diff options
Diffstat (limited to 'src/login')
43 files changed, 0 insertions, 14621 deletions
diff --git a/src/login/.gitignore b/src/login/.gitignore deleted file mode 100644 index d3840c7afc..0000000000 --- a/src/login/.gitignore +++ /dev/null @@ -1,5 +0,0 @@ -/libsystemd-login.pc -/logind-gperf.c -/org.freedesktop.login1.policy -/71-seat.rules -/73-seat-late.rules diff --git a/src/login/70-power-switch.rules b/src/login/70-power-switch.rules deleted file mode 100644 index 36fb827315..0000000000 --- a/src/login/70-power-switch.rules +++ /dev/null @@ -1,13 +0,0 @@ -# This file is part of systemd. -# -# systemd is free software; you can redistribute it and/or modify it -# under the terms of the GNU Lesser General Public License as published by -# the Free Software Foundation; either version 2.1 of the License, or -# (at your option) any later version. - -ACTION=="remove", GOTO="power_switch_end" - -SUBSYSTEM=="input", KERNEL=="event*", SUBSYSTEMS=="acpi", TAG+="power-switch" -SUBSYSTEM=="input", KERNEL=="event*", KERNELS=="thinkpad_acpi", TAG+="power-switch" - -LABEL="power_switch_end" diff --git a/src/login/70-uaccess.rules b/src/login/70-uaccess.rules deleted file mode 100644 index d1275f2ca9..0000000000 --- a/src/login/70-uaccess.rules +++ /dev/null @@ -1,75 +0,0 @@ -# This file is part of systemd. -# -# systemd is free software; you can redistribute it and/or modify it -# under the terms of the GNU Lesser General Public License as published by -# the Free Software Foundation; either version 2.1 of the License, or -# (at your option) any later version. - -ACTION=="remove", GOTO="uaccess_end" -ENV{MAJOR}=="", GOTO="uaccess_end" - -# PTP/MTP protocol devices, cameras, portable media players -SUBSYSTEM=="usb", ENV{ID_USB_INTERFACES}=="", ENV{DEVTYPE}=="usb_device", IMPORT{builtin}="usb_id" -SUBSYSTEM=="usb", ENV{ID_USB_INTERFACES}=="*:060101:*", TAG+="uaccess" - -# Digicams with proprietary protocol -ENV{ID_GPHOTO2}=="*?", TAG+="uaccess" - -# SCSI and USB scanners -ENV{libsane_matched}=="yes", TAG+="uaccess" - -# HPLIP devices (necessary for ink level check and HP tool maintenance) -ENV{ID_HPLIP}=="1", TAG+="uaccess" - -# optical drives -SUBSYSTEM=="block", ENV{ID_CDROM}=="1", TAG+="uaccess" -SUBSYSTEM=="scsi_generic", SUBSYSTEMS=="scsi", ATTRS{type}=="4|5", TAG+="uaccess" - -# Sound devices -SUBSYSTEM=="sound", TAG+="uaccess" - -# ffado is an userspace driver for firewire sound cards -SUBSYSTEM=="firewire", ENV{ID_FFADO}=="1", TAG+="uaccess" - -# Webcams, frame grabber, TV cards -SUBSYSTEM=="video4linux", TAG+="uaccess" -SUBSYSTEM=="dvb", TAG+="uaccess" - -# IIDC devices: industrial cameras and some webcams -SUBSYSTEM=="firewire", ATTR{units}=="*0x00a02d:0x00010*", TAG+="uaccess" -SUBSYSTEM=="firewire", ATTR{units}=="*0x00b09d:0x00010*", TAG+="uaccess" -# AV/C devices: camcorders, set-top boxes, TV sets, audio devices, and more -SUBSYSTEM=="firewire", ATTR{units}=="*0x00a02d:0x010001*", TAG+="uaccess" -SUBSYSTEM=="firewire", ATTR{units}=="*0x00a02d:0x014001*", TAG+="uaccess" - -# DRI video devices -SUBSYSTEM=="drm", KERNEL=="card*", TAG+="uaccess" - -# KVM -SUBSYSTEM=="misc", KERNEL=="kvm", TAG+="uaccess" - -# smart-card readers -ENV{ID_SMARTCARD_READER}=="*?", TAG+="uaccess" - -# (USB) authentication devices -ENV{ID_SECURITY_TOKEN}=="*?", TAG+="uaccess" - -# PDA devices -ENV{ID_PDA}=="*?", TAG+="uaccess" - -# Programmable remote control -ENV{ID_REMOTE_CONTROL}=="1", TAG+="uaccess" - -# joysticks -SUBSYSTEM=="input", ENV{ID_INPUT_JOYSTICK}=="?*", TAG+="uaccess" - -# color measurement devices -ENV{COLOR_MEASUREMENT_DEVICE}=="*?", TAG+="uaccess" - -# DDC/CI device, usually high-end monitors such as the DreamColor -ENV{DDC_DEVICE}=="*?", TAG+="uaccess" - -# media player raw devices (for user-mode drivers, Android SDK, etc.) -SUBSYSTEM=="usb", ENV{ID_MEDIA_PLAYER}=="?*", TAG+="uaccess" - -LABEL="uaccess_end" diff --git a/src/login/71-seat.rules.in b/src/login/71-seat.rules.in deleted file mode 100644 index f554d7f615..0000000000 --- a/src/login/71-seat.rules.in +++ /dev/null @@ -1,48 +0,0 @@ -# This file is part of systemd. -# -# systemd is free software; you can redistribute it and/or modify it -# under the terms of the GNU Lesser General Public License as published by -# the Free Software Foundation; either version 2.1 of the License, or -# (at your option) any later version. - -ACTION=="remove", GOTO="seat_end" - -TAG=="uaccess", SUBSYSTEM!="sound", TAG+="seat" -SUBSYSTEM=="sound", KERNEL=="card*", TAG+="seat" -SUBSYSTEM=="input", KERNEL=="input*", TAG+="seat" -SUBSYSTEM=="graphics", KERNEL=="fb[0-9]*", TAG+="seat" -SUBSYSTEM=="usb", ATTR{bDeviceClass}=="09", TAG+="seat" - -# 'Plugable' USB hub, sound, network, graphics adapter -SUBSYSTEM=="usb", ATTR{idVendor}=="2230", ATTR{idProduct}=="000[13]", ENV{ID_AUTOSEAT}="1" - -# Mimo 720, with integrated USB hub, displaylink graphics, and e2i -# touchscreen. This device carries no proper VID/PID in the USB hub, -# but it does carry good ID data in the graphics component, hence we -# check it from the parent. There's a bit of a race here however, -# given that the child devices might not exist yet at the time this -# rule is executed. To work around this we'll trigger the parent from -# the child if we notice that the parent wasn't recognized yet. - -# Match parent -SUBSYSTEM=="usb", ATTR{idVendor}=="058f", ATTR{idProduct}=="6254", \ - ATTR{%k.2/idVendor}=="17e9", ATTR{%k.2/idProduct}=="401a", ATTR{%k.2/product}=="mimo inc", \ - ENV{ID_AUTOSEAT}="1", ENV{ID_AVOID_LOOP}="1" - -# Match child, look for parent's ID_AVOID_LOOP -SUBSYSTEM=="usb", ATTR{idVendor}=="17e9", ATTR{idProduct}=="401a", ATTR{product}=="mimo inc", \ - ATTR{../idVendor}=="058f", ATTR{../idProduct}=="6254", \ - IMPORT{parent}="ID_AVOID_LOOP" - -# Match child, retrigger parent -SUBSYSTEM=="usb", ATTR{idVendor}=="17e9", ATTR{idProduct}=="401a", ATTR{product}=="mimo inc", \ - ATTR{../idVendor}=="058f", ATTR{../idProduct}=="6254", \ - ENV{ID_AVOID_LOOP}=="", \ - RUN+="@bindir@/udevadm trigger --parent-match=%p/.." - -TAG=="seat", ENV{ID_PATH}=="", IMPORT{builtin}="path_id" -TAG=="seat", ENV{ID_FOR_SEAT}=="", ENV{ID_PATH_TAG}!="", ENV{ID_FOR_SEAT}="$env{SUBSYSTEM}-$env{ID_PATH_TAG}" - -SUBSYSTEM=="input", ATTR{name}=="Wiebetech LLC Wiebetech", RUN+="@rootbindir@/loginctl lock-sessions" - -LABEL="seat_end" diff --git a/src/login/73-seat-late.rules.in b/src/login/73-seat-late.rules.in deleted file mode 100644 index 901df750fd..0000000000 --- a/src/login/73-seat-late.rules.in +++ /dev/null @@ -1,17 +0,0 @@ -# This file is part of systemd. -# -# systemd is free software; you can redistribute it and/or modify it -# under the terms of the GNU Lesser General Public License as published by -# the Free Software Foundation; either version 2.1 of the License, or -# (at your option) any later version. - -ACTION=="remove", GOTO="seat_late_end" - -ENV{ID_SEAT}=="", ENV{ID_AUTOSEAT}=="1", ENV{ID_FOR_SEAT}!="", ENV{ID_SEAT}="seat-$env{ID_FOR_SEAT}" -ENV{ID_SEAT}=="", IMPORT{parent}="ID_SEAT" - -ENV{ID_SEAT}!="", TAG+="$env{ID_SEAT}" - -TAG=="uaccess", ENV{MAJOR}!="", RUN{builtin}+="uaccess" - -LABEL="seat_late_end" diff --git a/src/login/Makefile b/src/login/Makefile deleted file mode 120000 index d0b0e8e008..0000000000 --- a/src/login/Makefile +++ /dev/null @@ -1 +0,0 @@ -../Makefile
\ No newline at end of file diff --git a/src/login/inhibit.c b/src/login/inhibit.c deleted file mode 100644 index 4735df7d3b..0000000000 --- a/src/login/inhibit.c +++ /dev/null @@ -1,332 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2012 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <getopt.h> -#include <assert.h> -#include <stdlib.h> -#include <stdio.h> -#include <dbus.h> -#include <unistd.h> - -#include "dbus-common.h" -#include "util.h" -#include "build.h" -#include "strv.h" - -static const char* arg_what = "idle:sleep:shutdown"; -static const char* arg_who = NULL; -static const char* arg_why = "Unknown reason"; -static const char* arg_mode = "block"; - -static enum { - ACTION_INHIBIT, - ACTION_LIST -} arg_action = ACTION_INHIBIT; - -static int inhibit(DBusConnection *bus, DBusError *error) { - DBusMessage *reply = NULL; - int r; - - r = bus_method_call_with_reply( - bus, - "org.freedesktop.login1", - "/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - "Inhibit", - &reply, - NULL, - DBUS_TYPE_STRING, &arg_what, - DBUS_TYPE_STRING, &arg_who, - DBUS_TYPE_STRING, &arg_why, - DBUS_TYPE_STRING, &arg_mode, - DBUS_TYPE_INVALID); - if (r < 0) - return r; - - if (!dbus_message_get_args(reply, error, - DBUS_TYPE_UNIX_FD, &r, - DBUS_TYPE_INVALID)) - r = -EIO; - - dbus_message_unref(reply); - - return r; -} - -static int print_inhibitors(DBusConnection *bus, DBusError *error) { - DBusMessage *reply = NULL; - unsigned n = 0; - DBusMessageIter iter, sub, sub2; - int r; - - r = bus_method_call_with_reply( - bus, - "org.freedesktop.login1", - "/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - "ListInhibitors", - &reply, - NULL, - DBUS_TYPE_INVALID); - if (r < 0) - goto finish; - - if (!dbus_message_iter_init(reply, &iter)) { - r = -ENOMEM; - goto finish; - } - - if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY) { - r = -EIO; - goto finish; - } - - printf("%-21s %-20s %-20s %-5s %6s %6s\n", - "WHAT", - "WHO", - "WHY", - "MODE", - "UID", - "PID"); - - dbus_message_iter_recurse(&iter, &sub); - while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { - const char *what, *who, *why, *mode; - char *ewho, *ewhy; - dbus_uint32_t uid, pid; - - if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) { - r = -EIO; - goto finish; - } - - dbus_message_iter_recurse(&sub, &sub2); - - if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &what, true) < 0 || - bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &who, true) < 0 || - bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &why, true) < 0 || - bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &mode, true) < 0 || - bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &uid, true) < 0 || - bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &pid, false) < 0) { - r = -EIO; - goto finish; - } - - ewho = ellipsize(who, 20, 66); - ewhy = ellipsize(why, 20, 66); - - printf("%-21s %-20s %-20s %-5s %6lu %6lu\n", - what, ewho ? ewho : who, ewhy ? ewhy : why, mode, (unsigned long) uid, (unsigned long) pid); - - free(ewho); - free(ewhy); - - dbus_message_iter_next(&sub); - - n++; - } - - printf("\n%u inhibitors listed.\n", n); - r = 0; - -finish: - if (reply) - dbus_message_unref(reply); - - return r; -} - -static int help(void) { - - printf("%s [OPTIONS...] {COMMAND} ...\n\n" - "Execute a process while inhibiting shutdown/sleep/idle.\n\n" - " -h --help Show this help\n" - " --version Show package version\n" - " --what=WHAT Operations to inhibit, colon separated list of:\n" - " shutdown, sleep, idle, handle-power-key,\n" - " handle-suspend-key, handle-hibernate-key,\n" - " handle-lid-switch\n" - " --who=STRING A descriptive string who is inhibiting\n" - " --why=STRING A descriptive string why is being inhibited\n" - " --mode=MODE One of block or delay\n" - " --list List active inhibitors\n", - program_invocation_short_name); - - return 0; -} - -static int parse_argv(int argc, char *argv[]) { - - enum { - ARG_VERSION = 0x100, - ARG_WHAT, - ARG_WHO, - ARG_WHY, - ARG_MODE, - ARG_LIST, - }; - - static const struct option options[] = { - { "help", no_argument, NULL, 'h' }, - { "version", no_argument, NULL, ARG_VERSION }, - { "what", required_argument, NULL, ARG_WHAT }, - { "who", required_argument, NULL, ARG_WHO }, - { "why", required_argument, NULL, ARG_WHY }, - { "mode", required_argument, NULL, ARG_MODE }, - { "list", no_argument, NULL, ARG_LIST }, - { NULL, 0, NULL, 0 } - }; - - int c; - - assert(argc >= 0); - assert(argv); - - while ((c = getopt_long(argc, argv, "+h", options, NULL)) >= 0) { - - switch (c) { - - case 'h': - help(); - return 0; - - case ARG_VERSION: - puts(PACKAGE_STRING); - puts(DISTRIBUTION); - puts(SYSTEMD_FEATURES); - return 0; - - case ARG_WHAT: - arg_what = optarg; - break; - - case ARG_WHO: - arg_who = optarg; - break; - - case ARG_WHY: - arg_why = optarg; - break; - - case ARG_MODE: - arg_mode = optarg; - break; - - case ARG_LIST: - arg_action = ACTION_LIST; - break; - - default: - log_error("Unknown option code %c", c); - return -EINVAL; - } - } - - if (arg_action == ACTION_INHIBIT && optind >= argc) { - log_error("Missing command line to execute."); - return -EINVAL; - } - - return 1; -} - -int main(int argc, char *argv[]) { - int r, exit_code = 0; - DBusConnection *bus = NULL; - DBusError error; - int fd = -1; - - dbus_error_init(&error); - - log_parse_environment(); - log_open(); - - r = parse_argv(argc, argv); - if (r <= 0) - goto finish; - - bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error); - if (!bus) { - log_error("Failed to connect to bus: %s", bus_error_message(&error)); - r = -EIO; - goto finish; - } - - if (arg_action == ACTION_LIST) { - - r = print_inhibitors(bus, &error); - if (r < 0) { - log_error("Failed to list inhibitors: %s", bus_error_message_or_strerror(&error, -r)); - goto finish; - } - - } else { - char *w = NULL; - pid_t pid; - - if (!arg_who) - arg_who = w = strv_join(argv + optind, " "); - - fd = inhibit(bus, &error); - free(w); - - if (fd < 0) { - log_error("Failed to inhibit: %s", bus_error_message_or_strerror(&error, -r)); - r = fd; - goto finish; - } - - pid = fork(); - if (pid < 0) { - log_error("Failed to fork: %m"); - r = -errno; - goto finish; - } - - if (pid == 0) { - /* Child */ - - close_nointr_nofail(fd); - close_all_fds(NULL, 0); - - execvp(argv[optind], argv + optind); - log_error("Failed to execute %s: %m", argv[optind]); - _exit(EXIT_FAILURE); - } - - r = wait_for_terminate_and_warn(argv[optind], pid); - if (r >= 0) - exit_code = r; - } - -finish: - if (bus) { - dbus_connection_close(bus); - dbus_connection_unref(bus); - } - - dbus_error_free(&error); - - if (fd >= 0) - close_nointr_nofail(fd); - - return r < 0 ? EXIT_FAILURE : exit_code; -} diff --git a/src/login/libsystemd-login.pc.in b/src/login/libsystemd-login.pc.in deleted file mode 100644 index 7b2a7245fc..0000000000 --- a/src/login/libsystemd-login.pc.in +++ /dev/null @@ -1,18 +0,0 @@ -# This file is part of systemd. -# -# systemd is free software; you can redistribute it and/or modify it -# under the terms of the GNU Lesser General Public License as published by -# the Free Software Foundation; either version 2.1 of the License, or -# (at your option) any later version. - -prefix=@prefix@ -exec_prefix=@exec_prefix@ -libdir=@libdir@ -includedir=@includedir@ - -Name: systemd -Description: systemd Login Utility Library -URL: @PACKAGE_URL@ -Version: @PACKAGE_VERSION@ -Libs: -L${libdir} -lsystemd-login -Cflags: -I${includedir} diff --git a/src/login/libsystemd-login.sym b/src/login/libsystemd-login.sym deleted file mode 100644 index ff51be729b..0000000000 --- a/src/login/libsystemd-login.sym +++ /dev/null @@ -1,55 +0,0 @@ -/*** - This file is part of systemd. - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. -***/ - -/* Original symbols from systemd v31 */ - -LIBSYSTEMD_LOGIN_31 { -global: - sd_get_seats; - sd_get_sessions; - sd_get_uids; - sd_login_monitor_flush; - sd_login_monitor_get_fd; - sd_login_monitor_new; - sd_login_monitor_unref; - sd_pid_get_owner_uid; - sd_pid_get_session; - sd_seat_can_multi_session; - sd_seat_get_active; - sd_seat_get_sessions; - sd_session_get_seat; - sd_session_get_uid; - sd_session_is_active; - sd_uid_get_seats; - sd_uid_get_sessions; - sd_uid_get_state; - sd_uid_is_on_seat; -local: - *; -}; - -LIBSYSTEMD_LOGIN_38 { -global: - sd_pid_get_unit; - sd_session_get_service; -} LIBSYSTEMD_LOGIN_31; - -LIBSYSTEMD_LOGIN_43 { -global: - sd_session_get_type; - sd_session_get_class; - sd_session_get_display; -} LIBSYSTEMD_LOGIN_38; - -LIBSYSTEMD_LOGIN_186 { -global: - sd_session_get_state; - sd_seat_can_tty; - sd_seat_can_graphical; -} LIBSYSTEMD_LOGIN_43; diff --git a/src/login/loginctl.c b/src/login/loginctl.c deleted file mode 100644 index 146986b46e..0000000000 --- a/src/login/loginctl.c +++ /dev/null @@ -1,1611 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2010 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <dbus/dbus.h> -#include <unistd.h> -#include <errno.h> -#include <string.h> -#include <getopt.h> -#include <pwd.h> -#include <locale.h> - -#include "log.h" -#include "util.h" -#include "macro.h" -#include "pager.h" -#include "dbus-common.h" -#include "build.h" -#include "strv.h" -#include "cgroup-show.h" -#include "sysfs-show.h" -#include "spawn-polkit-agent.h" - -static char **arg_property = NULL; -static bool arg_all = false; -static bool arg_no_pager = false; -static const char *arg_kill_who = NULL; -static int arg_signal = SIGTERM; -static enum transport { - TRANSPORT_NORMAL, - TRANSPORT_SSH, - TRANSPORT_POLKIT -} arg_transport = TRANSPORT_NORMAL; -static bool arg_ask_password = true; -static const char *arg_host = NULL; - -static void pager_open_if_enabled(void) { - - /* Cache result before we open the pager */ - if (arg_no_pager) - return; - - pager_open(); -} - -static void polkit_agent_open_if_enabled(void) { - - /* Open the polkit agent as a child process if necessary */ - - if (!arg_ask_password) - return; - - polkit_agent_open(); -} - -static int list_sessions(DBusConnection *bus, char **args, unsigned n) { - DBusMessage *reply = NULL; - int r; - DBusMessageIter iter, sub, sub2; - unsigned k = 0; - - pager_open_if_enabled(); - - r = bus_method_call_with_reply ( - bus, - "org.freedesktop.login1", - "/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - "ListSessions", - &reply, - NULL, - DBUS_TYPE_INVALID); - if (r) - goto finish; - - if (!dbus_message_iter_init(reply, &iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || - dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) { - log_error("Failed to parse reply."); - r = -EIO; - goto finish; - } - - dbus_message_iter_recurse(&iter, &sub); - - if (on_tty()) - printf("%10s %10s %-16s %-16s\n", "SESSION", "UID", "USER", "SEAT"); - - while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { - const char *id, *user, *seat, *object; - uint32_t uid; - - if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) { - log_error("Failed to parse reply."); - r = -EIO; - goto finish; - } - - dbus_message_iter_recurse(&sub, &sub2); - - if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &id, true) < 0 || - bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &uid, true) < 0 || - bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &user, true) < 0 || - bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &seat, true) < 0 || - bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &object, false) < 0) { - log_error("Failed to parse reply."); - r = -EIO; - goto finish; - } - - printf("%10s %10u %-16s %-16s\n", id, (unsigned) uid, user, seat); - - k++; - - dbus_message_iter_next(&sub); - } - - if (on_tty()) - printf("\n%u sessions listed.\n", k); - - r = 0; - -finish: - if (reply) - dbus_message_unref(reply); - - return r; -} - -static int list_users(DBusConnection *bus, char **args, unsigned n) { - DBusMessage *reply = NULL; - int r; - DBusMessageIter iter, sub, sub2; - unsigned k = 0; - - pager_open_if_enabled(); - - r = bus_method_call_with_reply ( - bus, - "org.freedesktop.login1", - "/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - "ListUsers", - &reply, - NULL, - DBUS_TYPE_INVALID); - if (r) - goto finish; - - if (!dbus_message_iter_init(reply, &iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || - dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) { - log_error("Failed to parse reply."); - r = -EIO; - goto finish; - } - - dbus_message_iter_recurse(&iter, &sub); - - if (on_tty()) - printf("%10s %-16s\n", "UID", "USER"); - - while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { - const char *user, *object; - uint32_t uid; - - if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) { - log_error("Failed to parse reply."); - r = -EIO; - goto finish; - } - - dbus_message_iter_recurse(&sub, &sub2); - - if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &uid, true) < 0 || - bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &user, true) < 0 || - bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &object, false) < 0) { - log_error("Failed to parse reply."); - r = -EIO; - goto finish; - } - - printf("%10u %-16s\n", (unsigned) uid, user); - - k++; - - dbus_message_iter_next(&sub); - } - - if (on_tty()) - printf("\n%u users listed.\n", k); - - r = 0; - -finish: - if (reply) - dbus_message_unref(reply); - - return r; -} - -static int list_seats(DBusConnection *bus, char **args, unsigned n) { - DBusMessage *reply = NULL; - int r; - DBusMessageIter iter, sub, sub2; - unsigned k = 0; - - pager_open_if_enabled(); - - r = bus_method_call_with_reply ( - bus, - "org.freedesktop.login1", - "/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - "ListSeats", - &reply, - NULL, - DBUS_TYPE_INVALID); - if (r) - goto finish; - - if (!dbus_message_iter_init(reply, &iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || - dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) { - log_error("Failed to parse reply."); - r = -EIO; - goto finish; - } - - dbus_message_iter_recurse(&iter, &sub); - - if (on_tty()) - printf("%-16s\n", "SEAT"); - - while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { - const char *seat, *object; - - if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) { - log_error("Failed to parse reply."); - r = -EIO; - goto finish; - } - - dbus_message_iter_recurse(&sub, &sub2); - - if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &seat, true) < 0 || - bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &object, false) < 0) { - log_error("Failed to parse reply."); - r = -EIO; - goto finish; - } - - printf("%-16s\n", seat); - - k++; - - dbus_message_iter_next(&sub); - } - - if (on_tty()) - printf("\n%u seats listed.\n", k); - - r = 0; - -finish: - if (reply) - dbus_message_unref(reply); - - return r; -} - -typedef struct SessionStatusInfo { - const char *id; - uid_t uid; - const char *name; - usec_t timestamp; - const char *default_control_group; - int vtnr; - const char *seat; - const char *tty; - const char *display; - bool remote; - const char *remote_host; - const char *remote_user; - const char *service; - pid_t leader; - const char *type; - const char *class; - const char *state; -} SessionStatusInfo; - -typedef struct UserStatusInfo { - uid_t uid; - const char *name; - usec_t timestamp; - const char *default_control_group; - const char *state; - char **sessions; - const char *display; -} UserStatusInfo; - -typedef struct SeatStatusInfo { - const char *id; - const char *active_session; - char **sessions; -} SeatStatusInfo; - -static void print_session_status_info(SessionStatusInfo *i) { - char since1[FORMAT_TIMESTAMP_PRETTY_MAX], *s1; - char since2[FORMAT_TIMESTAMP_MAX], *s2; - assert(i); - - printf("%s - ", strna(i->id)); - - if (i->name) - printf("%s (%u)\n", i->name, (unsigned) i->uid); - else - printf("%u\n", (unsigned) i->uid); - - s1 = format_timestamp_pretty(since1, sizeof(since1), i->timestamp); - s2 = format_timestamp(since2, sizeof(since2), i->timestamp); - - if (s1) - printf("\t Since: %s; %s\n", s2, s1); - else if (s2) - printf("\t Since: %s\n", s2); - - if (i->leader > 0) { - char *t = NULL; - - printf("\t Leader: %u", (unsigned) i->leader); - - get_process_comm(i->leader, &t); - if (t) { - printf(" (%s)", t); - free(t); - } - - printf("\n"); - } - - if (i->seat) { - printf("\t Seat: %s", i->seat); - - if (i->vtnr > 0) - printf("; vc%i", i->vtnr); - - printf("\n"); - } - - if (i->tty) - printf("\t TTY: %s\n", i->tty); - else if (i->display) - printf("\t Display: %s\n", i->display); - - if (i->remote_host && i->remote_user) - printf("\t Remote: %s@%s\n", i->remote_user, i->remote_host); - else if (i->remote_host) - printf("\t Remote: %s\n", i->remote_host); - else if (i->remote_user) - printf("\t Remote: user %s\n", i->remote_user); - else if (i->remote) - printf("\t Remote: Yes\n"); - - if (i->service) { - printf("\t Service: %s", i->service); - - if (i->type) - printf("; type %s", i->type); - - if (i->class) - printf("; class %s", i->class); - - printf("\n"); - } else if (i->type) { - printf("\t Type: %s\n", i->type); - - if (i->class) - printf("; class %s", i->class); - } else if (i->class) - printf("\t Class: %s\n", i->class); - - if (i->state) - printf("\t State: %s\n", i->state); - - if (i->default_control_group) { - unsigned c; - - printf("\t CGroup: %s\n", i->default_control_group); - - if (arg_transport != TRANSPORT_SSH) { - c = columns(); - if (c > 18) - c -= 18; - else - c = 0; - - show_cgroup_and_extra_by_spec(i->default_control_group, "\t\t ", c, false, arg_all, &i->leader, i->leader > 0 ? 1 : 0); - } - } -} - -static void print_user_status_info(UserStatusInfo *i) { - char since1[FORMAT_TIMESTAMP_PRETTY_MAX], *s1; - char since2[FORMAT_TIMESTAMP_MAX], *s2; - assert(i); - - if (i->name) - printf("%s (%u)\n", i->name, (unsigned) i->uid); - else - printf("%u\n", (unsigned) i->uid); - - s1 = format_timestamp_pretty(since1, sizeof(since1), i->timestamp); - s2 = format_timestamp(since2, sizeof(since2), i->timestamp); - - if (s1) - printf("\t Since: %s; %s\n", s2, s1); - else if (s2) - printf("\t Since: %s\n", s2); - - if (!isempty(i->state)) - printf("\t State: %s\n", i->state); - - if (!strv_isempty(i->sessions)) { - char **l; - printf("\tSessions:"); - - STRV_FOREACH(l, i->sessions) { - if (streq_ptr(*l, i->display)) - printf(" *%s", *l); - else - printf(" %s", *l); - } - - printf("\n"); - } - - if (i->default_control_group) { - unsigned c; - - printf("\t CGroup: %s\n", i->default_control_group); - - if (arg_transport != TRANSPORT_SSH) { - c = columns(); - if (c > 18) - c -= 18; - else - c = 0; - - show_cgroup_by_path(i->default_control_group, "\t\t ", c, false, arg_all); - } - } -} - -static void print_seat_status_info(SeatStatusInfo *i) { - assert(i); - - printf("%s\n", strna(i->id)); - - if (!strv_isempty(i->sessions)) { - char **l; - printf("\tSessions:"); - - STRV_FOREACH(l, i->sessions) { - if (streq_ptr(*l, i->active_session)) - printf(" *%s", *l); - else - printf(" %s", *l); - } - - printf("\n"); - } - - if (arg_transport != TRANSPORT_SSH) { - unsigned c; - - c = columns(); - if (c > 21) - c -= 21; - else - c = 0; - - printf("\t Devices:\n"); - - show_sysfs(i->id, "\t\t ", c); - } -} - -static int status_property_session(const char *name, DBusMessageIter *iter, SessionStatusInfo *i) { - assert(name); - assert(iter); - assert(i); - - switch (dbus_message_iter_get_arg_type(iter)) { - - case DBUS_TYPE_STRING: { - const char *s; - - dbus_message_iter_get_basic(iter, &s); - - if (!isempty(s)) { - if (streq(name, "Id")) - i->id = s; - else if (streq(name, "Name")) - i->name = s; - else if (streq(name, "DefaultControlGroup")) - i->default_control_group = s; - else if (streq(name, "TTY")) - i->tty = s; - else if (streq(name, "Display")) - i->display = s; - else if (streq(name, "RemoteHost")) - i->remote_host = s; - else if (streq(name, "RemoteUser")) - i->remote_user = s; - else if (streq(name, "Service")) - i->service = s; - else if (streq(name, "Type")) - i->type = s; - else if (streq(name, "Class")) - i->class = s; - else if (streq(name, "State")) - i->state = s; - } - break; - } - - case DBUS_TYPE_UINT32: { - uint32_t u; - - dbus_message_iter_get_basic(iter, &u); - - if (streq(name, "VTNr")) - i->vtnr = (int) u; - else if (streq(name, "Leader")) - i->leader = (pid_t) u; - - break; - } - - case DBUS_TYPE_BOOLEAN: { - dbus_bool_t b; - - dbus_message_iter_get_basic(iter, &b); - - if (streq(name, "Remote")) - i->remote = b; - - break; - } - - case DBUS_TYPE_UINT64: { - uint64_t u; - - dbus_message_iter_get_basic(iter, &u); - - if (streq(name, "Timestamp")) - i->timestamp = (usec_t) u; - - break; - } - - case DBUS_TYPE_STRUCT: { - DBusMessageIter sub; - - dbus_message_iter_recurse(iter, &sub); - - if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_UINT32 && streq(name, "User")) { - uint32_t u; - - dbus_message_iter_get_basic(&sub, &u); - i->uid = (uid_t) u; - - } else if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING && streq(name, "Seat")) { - const char *s; - - dbus_message_iter_get_basic(&sub, &s); - - if (!isempty(s)) - i->seat = s; - } - - break; - } - } - - return 0; -} - -static int status_property_user(const char *name, DBusMessageIter *iter, UserStatusInfo *i) { - assert(name); - assert(iter); - assert(i); - - switch (dbus_message_iter_get_arg_type(iter)) { - - case DBUS_TYPE_STRING: { - const char *s; - - dbus_message_iter_get_basic(iter, &s); - - if (!isempty(s)) { - if (streq(name, "Name")) - i->name = s; - else if (streq(name, "DefaultControlGroup")) - i->default_control_group = s; - else if (streq(name, "State")) - i->state = s; - } - break; - } - - case DBUS_TYPE_UINT32: { - uint32_t u; - - dbus_message_iter_get_basic(iter, &u); - - if (streq(name, "UID")) - i->uid = (uid_t) u; - - break; - } - - case DBUS_TYPE_UINT64: { - uint64_t u; - - dbus_message_iter_get_basic(iter, &u); - - if (streq(name, "Timestamp")) - i->timestamp = (usec_t) u; - - break; - } - - case DBUS_TYPE_STRUCT: { - DBusMessageIter sub; - - dbus_message_iter_recurse(iter, &sub); - - if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING && streq(name, "Display")) { - const char *s; - - dbus_message_iter_get_basic(&sub, &s); - - if (!isempty(s)) - i->display = s; - } - - break; - } - - case DBUS_TYPE_ARRAY: { - - if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Sessions")) { - DBusMessageIter sub, sub2; - - dbus_message_iter_recurse(iter, &sub); - while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) { - const char *id; - const char *path; - - dbus_message_iter_recurse(&sub, &sub2); - - if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &id, true) >= 0 && - bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &path, false) >= 0) { - char **l; - - l = strv_append(i->sessions, id); - if (!l) - return -ENOMEM; - - strv_free(i->sessions); - i->sessions = l; - } - - dbus_message_iter_next(&sub); - } - - return 0; - } - } - } - - return 0; -} - -static int status_property_seat(const char *name, DBusMessageIter *iter, SeatStatusInfo *i) { - assert(name); - assert(iter); - assert(i); - - switch (dbus_message_iter_get_arg_type(iter)) { - - case DBUS_TYPE_STRING: { - const char *s; - - dbus_message_iter_get_basic(iter, &s); - - if (!isempty(s)) { - if (streq(name, "Id")) - i->id = s; - } - break; - } - - case DBUS_TYPE_STRUCT: { - DBusMessageIter sub; - - dbus_message_iter_recurse(iter, &sub); - - if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING && streq(name, "ActiveSession")) { - const char *s; - - dbus_message_iter_get_basic(&sub, &s); - - if (!isempty(s)) - i->active_session = s; - } - - break; - } - - case DBUS_TYPE_ARRAY: { - - if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Sessions")) { - DBusMessageIter sub, sub2; - - dbus_message_iter_recurse(iter, &sub); - while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) { - const char *id; - const char *path; - - dbus_message_iter_recurse(&sub, &sub2); - - if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &id, true) >= 0 && - bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &path, false) >= 0) { - char **l; - - l = strv_append(i->sessions, id); - if (!l) - return -ENOMEM; - - strv_free(i->sessions); - i->sessions = l; - } - - dbus_message_iter_next(&sub); - } - - return 0; - } - } - } - - return 0; -} - -static int print_property(const char *name, DBusMessageIter *iter) { - assert(name); - assert(iter); - - if (arg_property && !strv_find(arg_property, name)) - return 0; - - switch (dbus_message_iter_get_arg_type(iter)) { - - case DBUS_TYPE_STRUCT: { - DBusMessageIter sub; - - dbus_message_iter_recurse(iter, &sub); - - if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING && - (streq(name, "Display") || streq(name, "ActiveSession"))) { - const char *s; - - dbus_message_iter_get_basic(&sub, &s); - - if (arg_all || !isempty(s)) - printf("%s=%s\n", name, s); - return 0; - } - break; - } - - case DBUS_TYPE_ARRAY: - - if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Sessions")) { - DBusMessageIter sub, sub2; - bool found = false; - - dbus_message_iter_recurse(iter, &sub); - while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) { - const char *id; - const char *path; - - dbus_message_iter_recurse(&sub, &sub2); - - if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &id, true) >= 0 && - bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &path, false) >= 0) { - if (found) - printf(" %s", id); - else { - printf("%s=%s", name, id); - found = true; - } - } - - dbus_message_iter_next(&sub); - } - - if (!found && arg_all) - printf("%s=\n", name); - else if (found) - printf("\n"); - - return 0; - } - - break; - } - - if (generic_print_property(name, iter, arg_all) > 0) - return 0; - - if (arg_all) - printf("%s=[unprintable]\n", name); - - return 0; -} - -static int show_one(const char *verb, DBusConnection *bus, const char *path, bool show_properties, bool *new_line) { - _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; - const char *interface = ""; - int r; - DBusMessageIter iter, sub, sub2, sub3; - SessionStatusInfo session_info; - UserStatusInfo user_info; - SeatStatusInfo seat_info; - - assert(path); - assert(new_line); - - zero(session_info); - zero(user_info); - zero(seat_info); - - r = bus_method_call_with_reply( - bus, - "org.freedesktop.login1", - path, - "org.freedesktop.DBus.Properties", - "GetAll", - &reply, - NULL, - DBUS_TYPE_STRING, &interface, - DBUS_TYPE_INVALID); - if (r < 0) - goto finish; - - if (!dbus_message_iter_init(reply, &iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || - dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_DICT_ENTRY) { - log_error("Failed to parse reply."); - r = -EIO; - goto finish; - } - - dbus_message_iter_recurse(&iter, &sub); - - if (*new_line) - printf("\n"); - - *new_line = true; - - while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { - const char *name; - - if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_DICT_ENTRY) { - log_error("Failed to parse reply."); - r = -EIO; - goto finish; - } - - dbus_message_iter_recurse(&sub, &sub2); - - if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0) { - log_error("Failed to parse reply."); - r = -EIO; - goto finish; - } - - if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT) { - log_error("Failed to parse reply."); - r = -EIO; - goto finish; - } - - dbus_message_iter_recurse(&sub2, &sub3); - - if (show_properties) - r = print_property(name, &sub3); - else if (strstr(verb, "session")) - r = status_property_session(name, &sub3, &session_info); - else if (strstr(verb, "user")) - r = status_property_user(name, &sub3, &user_info); - else - r = status_property_seat(name, &sub3, &seat_info); - - if (r < 0) { - log_error("Failed to parse reply."); - goto finish; - } - - dbus_message_iter_next(&sub); - } - - if (!show_properties) { - if (strstr(verb, "session")) - print_session_status_info(&session_info); - else if (strstr(verb, "user")) - print_user_status_info(&user_info); - else - print_seat_status_info(&seat_info); - } - - r = 0; - -finish: - strv_free(seat_info.sessions); - strv_free(user_info.sessions); - - return r; -} - -static int show(DBusConnection *bus, char **args, unsigned n) { - DBusMessage *reply = NULL; - int r, ret = 0; - DBusError error; - unsigned i; - bool show_properties, new_line = false; - - assert(bus); - assert(args); - - dbus_error_init(&error); - - show_properties = !strstr(args[0], "status"); - - pager_open_if_enabled(); - - if (show_properties && n <= 1) { - /* If not argument is specified inspect the manager - * itself */ - - ret = show_one(args[0], bus, "/org/freedesktop/login1", show_properties, &new_line); - goto finish; - } - - for (i = 1; i < n; i++) { - const char *path = NULL; - - if (strstr(args[0], "session")) { - - ret = bus_method_call_with_reply ( - bus, - "org.freedesktop.login1", - "/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - "GetSession", - &reply, - NULL, - DBUS_TYPE_STRING, &args[i], - DBUS_TYPE_INVALID); - - } else if (strstr(args[0], "user")) { - uid_t uid; - uint32_t u; - - ret = get_user_creds((const char**) (args+i), &uid, NULL, NULL, NULL); - if (ret < 0) { - log_error("User %s unknown.", args[i]); - goto finish; - } - - u = (uint32_t) uid; - ret = bus_method_call_with_reply ( - bus, - "org.freedesktop.login1", - "/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - "GetUser", - &reply, - NULL, - DBUS_TYPE_UINT32, &u, - DBUS_TYPE_INVALID); - } else { - - ret = bus_method_call_with_reply ( - bus, - "org.freedesktop.login1", - "/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - "GetSeat", - &reply, - NULL, - DBUS_TYPE_STRING, &args[i], - DBUS_TYPE_INVALID); - } - if (ret) - goto finish; - - if (!dbus_message_get_args(reply, &error, - DBUS_TYPE_OBJECT_PATH, &path, - DBUS_TYPE_INVALID)) { - log_error("Failed to parse reply: %s", bus_error_message(&error)); - ret = -EIO; - goto finish; - } - - r = show_one(args[0], bus, path, show_properties, &new_line); - if (r != 0) - ret = r; - - dbus_message_unref(reply); - reply = NULL; - } - -finish: - if (reply) - dbus_message_unref(reply); - - dbus_error_free(&error); - - return ret; -} - -static int activate(DBusConnection *bus, char **args, unsigned n) { - int ret = 0; - unsigned i; - - assert(args); - - for (i = 1; i < n; i++) { - - ret = bus_method_call_with_reply ( - bus, - "org.freedesktop.login1", - "/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - streq(args[0], "lock-session") ? "LockSession" : - streq(args[0], "unlock-session") ? "UnlockSession" : - streq(args[0], "terminate-session") ? "TerminateSession" : - "ActivateSession", - NULL, - NULL, - DBUS_TYPE_STRING, &args[i], - DBUS_TYPE_INVALID); - if (ret) - goto finish; - } - -finish: - return ret; -} - -static int kill_session(DBusConnection *bus, char **args, unsigned n) { - int ret = 0; - unsigned i; - - assert(args); - - if (!arg_kill_who) - arg_kill_who = "all"; - - for (i = 1; i < n; i++) { - ret = bus_method_call_with_reply ( - bus, - "org.freedesktop.login1", - "/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - "KillSession", - NULL, - NULL, - DBUS_TYPE_STRING, &args[i], - DBUS_TYPE_STRING, &arg_kill_who, - DBUS_TYPE_INT32, &arg_signal, - DBUS_TYPE_INVALID); - if (ret) - goto finish; - } - -finish: - return ret; -} - -static int enable_linger(DBusConnection *bus, char **args, unsigned n) { - int ret = 0; - unsigned i; - dbus_bool_t b, interactive = true; - - assert(args); - - polkit_agent_open_if_enabled(); - - b = streq(args[0], "enable-linger"); - - for (i = 1; i < n; i++) { - uint32_t u; - uid_t uid; - - ret = get_user_creds((const char**) (args+i), &uid, NULL, NULL, NULL); - if (ret < 0) { - log_error("Failed to resolve user %s: %s", args[i], strerror(-ret)); - goto finish; - } - - u = (uint32_t) uid; - ret = bus_method_call_with_reply ( - bus, - "org.freedesktop.login1", - "/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - "SetUserLinger", - NULL, - NULL, - DBUS_TYPE_UINT32, &u, - DBUS_TYPE_BOOLEAN, &b, - DBUS_TYPE_BOOLEAN, &interactive, - DBUS_TYPE_INVALID); - if (ret) - goto finish; - } - -finish: - return ret; -} - -static int terminate_user(DBusConnection *bus, char **args, unsigned n) { - int ret = 0; - unsigned i; - - assert(args); - - for (i = 1; i < n; i++) { - uint32_t u; - uid_t uid; - - ret = get_user_creds((const char**) (args+i), &uid, NULL, NULL, NULL); - if (ret < 0) { - log_error("Failed to look up user %s: %s", args[i], strerror(-ret)); - goto finish; - } - - u = (uint32_t) uid; - ret = bus_method_call_with_reply ( - bus, - "org.freedesktop.login1", - "/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - "TerminateUser", - NULL, - NULL, - DBUS_TYPE_UINT32, &u, - DBUS_TYPE_INVALID); - if (ret) - goto finish; - } - -finish: - return ret; -} - -static int kill_user(DBusConnection *bus, char **args, unsigned n) { - int ret = 0; - unsigned i; - - assert(args); - - if (!arg_kill_who) - arg_kill_who = "all"; - - for (i = 1; i < n; i++) { - uid_t uid; - uint32_t u; - - ret = get_user_creds((const char**) (args+i), &uid, NULL, NULL, NULL); - if (ret < 0) { - log_error("Failed to look up user %s: %s", args[i], strerror(-ret)); - goto finish; - } - - u = (uint32_t) uid; - ret = bus_method_call_with_reply ( - bus, - "org.freedesktop.login1", - "/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - "KillUser", - NULL, - NULL, - DBUS_TYPE_UINT32, &u, - DBUS_TYPE_INT32, &arg_signal, - DBUS_TYPE_INVALID); - if (ret) - goto finish; - } - -finish: - return ret; -} - -static int attach(DBusConnection *bus, char **args, unsigned n) { - int ret = 0; - unsigned i; - dbus_bool_t interactive = true; - - assert(args); - - polkit_agent_open_if_enabled(); - - for (i = 2; i < n; i++) { - ret = bus_method_call_with_reply ( - bus, - "org.freedesktop.login1", - "/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - "AttachDevice", - NULL, - NULL, - DBUS_TYPE_STRING, &args[1], - DBUS_TYPE_STRING, &args[i], - DBUS_TYPE_BOOLEAN, &interactive, - DBUS_TYPE_INVALID); - if (ret) - goto finish; - } - -finish: - return ret; -} - -static int flush_devices(DBusConnection *bus, char **args, unsigned n) { - dbus_bool_t interactive = true; - - assert(args); - - polkit_agent_open_if_enabled(); - - return bus_method_call_with_reply ( - bus, - "org.freedesktop.login1", - "/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - "FlushDevices", - NULL, - NULL, - DBUS_TYPE_BOOLEAN, &interactive, - DBUS_TYPE_INVALID); -} - -static int lock_sessions(DBusConnection *bus, char **args, unsigned n) { - polkit_agent_open_if_enabled(); - - return bus_method_call_with_reply ( - bus, - "org.freedesktop.login1", - "/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - "LockSessions", - NULL, - NULL, - DBUS_TYPE_INVALID); -} - -static int terminate_seat(DBusConnection *bus, char **args, unsigned n) { - int ret = 0; - unsigned i; - - assert(args); - - for (i = 1; i < n; i++) { - ret = bus_method_call_with_reply ( - bus, - "org.freedesktop.login1", - "/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - "TerminateSeat", - NULL, - NULL, - DBUS_TYPE_STRING, &args[i], - DBUS_TYPE_INVALID); - if (ret) - goto finish; - } - -finish: - return ret; -} - -static int help(void) { - - printf("%s [OPTIONS...] {COMMAND} ...\n\n" - "Send control commands to or query the login manager.\n\n" - " -h --help Show this help\n" - " --version Show package version\n" - " -p --property=NAME Show only properties by this name\n" - " -a --all Show all properties, including empty ones\n" - " --kill-who=WHO Who to send signal to\n" - " -s --signal=SIGNAL Which signal to send\n" - " --no-ask-password Don't prompt for password\n" - " -H --host=[USER@]HOST Show information for remote host\n" - " -P --privileged Acquire privileges before execution\n" - " --no-pager Do not pipe output into a pager\n\n" - "Commands:\n" - " list-sessions List sessions\n" - " session-status [ID...] Show session status\n" - " show-session [ID...] Show properties of one or more sessions\n" - " activate [ID] Activate a session\n" - " lock-session [ID...] Screen lock one or more sessions\n" - " unlock-session [ID...] Screen unlock one or more sessions\n" - " lock-sessions Screen lock all current sessions\n" - " terminate-session [ID...] Terminate one or more sessions\n" - " kill-session [ID...] Send signal to processes of a session\n" - " list-users List users\n" - " user-status [USER...] Show user status\n" - " show-user [USER...] Show properties of one or more users\n" - " enable-linger [USER...] Enable linger state of one or more users\n" - " disable-linger [USER...] Disable linger state of one or more users\n" - " terminate-user [USER...] Terminate all sessions of one or more users\n" - " kill-user [USER...] Send signal to processes of a user\n" - " list-seats List seats\n" - " seat-status [NAME...] Show seat status\n" - " show-seat [NAME...] Show properties of one or more seats\n" - " attach [NAME] [DEVICE...] Attach one or more devices to a seat\n" - " flush-devices Flush all device associations\n" - " terminate-seat [NAME...] Terminate all sessions on one or more seats\n", - program_invocation_short_name); - - return 0; -} - -static int parse_argv(int argc, char *argv[]) { - - enum { - ARG_VERSION = 0x100, - ARG_NO_PAGER, - ARG_KILL_WHO, - ARG_NO_ASK_PASSWORD - }; - - static const struct option options[] = { - { "help", no_argument, NULL, 'h' }, - { "version", no_argument, NULL, ARG_VERSION }, - { "property", required_argument, NULL, 'p' }, - { "all", no_argument, NULL, 'a' }, - { "no-pager", no_argument, NULL, ARG_NO_PAGER }, - { "kill-who", required_argument, NULL, ARG_KILL_WHO }, - { "signal", required_argument, NULL, 's' }, - { "host", required_argument, NULL, 'H' }, - { "privileged", no_argument, NULL, 'P' }, - { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD }, - { NULL, 0, NULL, 0 } - }; - - int c; - - assert(argc >= 0); - assert(argv); - - while ((c = getopt_long(argc, argv, "hp:as:H:P", options, NULL)) >= 0) { - - switch (c) { - - case 'h': - help(); - return 0; - - case ARG_VERSION: - puts(PACKAGE_STRING); - puts(DISTRIBUTION); - puts(SYSTEMD_FEATURES); - return 0; - - case 'p': { - char **l; - - l = strv_append(arg_property, optarg); - if (!l) - return -ENOMEM; - - strv_free(arg_property); - arg_property = l; - - /* If the user asked for a particular - * property, show it to him, even if it is - * empty. */ - arg_all = true; - break; - } - - case 'a': - arg_all = true; - break; - - case ARG_NO_PAGER: - arg_no_pager = true; - break; - - case ARG_NO_ASK_PASSWORD: - arg_ask_password = false; - break; - - case ARG_KILL_WHO: - arg_kill_who = optarg; - break; - - case 's': - arg_signal = signal_from_string_try_harder(optarg); - if (arg_signal < 0) { - log_error("Failed to parse signal string %s.", optarg); - return -EINVAL; - } - break; - - case 'P': - arg_transport = TRANSPORT_POLKIT; - break; - - case 'H': - arg_transport = TRANSPORT_SSH; - arg_host = optarg; - break; - - case '?': - return -EINVAL; - - default: - log_error("Unknown option code %c", c); - return -EINVAL; - } - } - - return 1; -} - -static int loginctl_main(DBusConnection *bus, int argc, char *argv[], DBusError *error) { - - static const struct { - const char* verb; - const enum { - MORE, - LESS, - EQUAL - } argc_cmp; - const int argc; - int (* const dispatch)(DBusConnection *bus, char **args, unsigned n); - } verbs[] = { - { "list-sessions", LESS, 1, list_sessions }, - { "session-status", MORE, 2, show }, - { "show-session", MORE, 1, show }, - { "activate", EQUAL, 2, activate }, - { "lock-session", MORE, 2, activate }, - { "unlock-session", MORE, 2, activate }, - { "lock-sessions", EQUAL, 1, lock_sessions }, - { "terminate-session", MORE, 2, activate }, - { "kill-session", MORE, 2, kill_session }, - { "list-users", EQUAL, 1, list_users }, - { "user-status", MORE, 2, show }, - { "show-user", MORE, 1, show }, - { "enable-linger", MORE, 2, enable_linger }, - { "disable-linger", MORE, 2, enable_linger }, - { "terminate-user", MORE, 2, terminate_user }, - { "kill-user", MORE, 2, kill_user }, - { "list-seats", EQUAL, 1, list_seats }, - { "seat-status", MORE, 2, show }, - { "show-seat", MORE, 1, show }, - { "attach", MORE, 3, attach }, - { "flush-devices", EQUAL, 1, flush_devices }, - { "terminate-seat", MORE, 2, terminate_seat }, - }; - - int left; - unsigned i; - - assert(argc >= 0); - assert(argv); - assert(error); - - left = argc - optind; - - if (left <= 0) - /* Special rule: no arguments means "list-sessions" */ - i = 0; - else { - if (streq(argv[optind], "help")) { - help(); - return 0; - } - - for (i = 0; i < ELEMENTSOF(verbs); i++) - if (streq(argv[optind], verbs[i].verb)) - break; - - if (i >= ELEMENTSOF(verbs)) { - log_error("Unknown operation %s", argv[optind]); - return -EINVAL; - } - } - - switch (verbs[i].argc_cmp) { - - case EQUAL: - if (left != verbs[i].argc) { - log_error("Invalid number of arguments."); - return -EINVAL; - } - - break; - - case MORE: - if (left < verbs[i].argc) { - log_error("Too few arguments."); - return -EINVAL; - } - - break; - - case LESS: - if (left > verbs[i].argc) { - log_error("Too many arguments."); - return -EINVAL; - } - - break; - - default: - assert_not_reached("Unknown comparison operator."); - } - - if (!bus) { - log_error("Failed to get D-Bus connection: %s", error->message); - return -EIO; - } - - return verbs[i].dispatch(bus, argv + optind, left); -} - -int main(int argc, char*argv[]) { - int r, retval = EXIT_FAILURE; - DBusConnection *bus = NULL; - DBusError error; - - dbus_error_init(&error); - - setlocale(LC_ALL, ""); - log_parse_environment(); - log_open(); - - r = parse_argv(argc, argv); - if (r < 0) - goto finish; - else if (r == 0) { - retval = EXIT_SUCCESS; - goto finish; - } - - if (arg_transport == TRANSPORT_NORMAL) - bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error); - else if (arg_transport == TRANSPORT_POLKIT) - bus_connect_system_polkit(&bus, &error); - else if (arg_transport == TRANSPORT_SSH) - bus_connect_system_ssh(NULL, arg_host, &bus, &error); - else - assert_not_reached("Uh, invalid transport..."); - - r = loginctl_main(bus, argc, argv, &error); - retval = r < 0 ? EXIT_FAILURE : r; - -finish: - if (bus) { - dbus_connection_flush(bus); - dbus_connection_close(bus); - dbus_connection_unref(bus); - } - - dbus_error_free(&error); - dbus_shutdown(); - - strv_free(arg_property); - - pager_close(); - - return retval; -} diff --git a/src/login/logind-acl.c b/src/login/logind-acl.c deleted file mode 100644 index cb045a9928..0000000000 --- a/src/login/logind-acl.c +++ /dev/null @@ -1,248 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2011 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <assert.h> -#include <sys/acl.h> -#include <acl/libacl.h> -#include <errno.h> -#include <string.h> - -#include "logind-acl.h" -#include "util.h" -#include "acl-util.h" - -static int flush_acl(acl_t acl) { - acl_entry_t i; - int found; - bool changed = false; - - assert(acl); - - for (found = acl_get_entry(acl, ACL_FIRST_ENTRY, &i); - found > 0; - found = acl_get_entry(acl, ACL_NEXT_ENTRY, &i)) { - - acl_tag_t tag; - - if (acl_get_tag_type(i, &tag) < 0) - return -errno; - - if (tag != ACL_USER) - continue; - - if (acl_delete_entry(acl, i) < 0) - return -errno; - - changed = true; - } - - if (found < 0) - return -errno; - - return changed; -} - -int devnode_acl(const char *path, - bool flush, - bool del, uid_t old_uid, - bool add, uid_t new_uid) { - - acl_t acl; - int r = 0; - bool changed = false; - - assert(path); - - acl = acl_get_file(path, ACL_TYPE_ACCESS); - if (!acl) - return -errno; - - if (flush) { - - r = flush_acl(acl); - if (r < 0) - goto finish; - if (r > 0) - changed = true; - - } else if (del && old_uid > 0) { - acl_entry_t entry; - - r = acl_find_uid(acl, old_uid, &entry); - if (r < 0) - goto finish; - - if (r > 0) { - if (acl_delete_entry(acl, entry) < 0) { - r = -errno; - goto finish; - } - - changed = true; - } - } - - if (add && new_uid > 0) { - acl_entry_t entry; - acl_permset_t permset; - int rd, wt; - - r = acl_find_uid(acl, new_uid, &entry); - if (r < 0) - goto finish; - - if (r == 0) { - if (acl_create_entry(&acl, &entry) < 0) { - r = -errno; - goto finish; - } - - if (acl_set_tag_type(entry, ACL_USER) < 0 || - acl_set_qualifier(entry, &new_uid) < 0) { - r = -errno; - goto finish; - } - } - - if (acl_get_permset(entry, &permset) < 0) { - r = -errno; - goto finish; - } - - rd = acl_get_perm(permset, ACL_READ); - if (rd < 0) { - r = -errno; - goto finish; - } - - wt = acl_get_perm(permset, ACL_WRITE); - if (wt < 0) { - r = -errno; - goto finish; - } - - if (!rd || !wt) { - - if (acl_add_perm(permset, ACL_READ|ACL_WRITE) < 0) { - r = -errno; - goto finish; - } - - changed = true; - } - } - - if (!changed) - goto finish; - - if (acl_calc_mask(&acl) < 0) { - r = -errno; - goto finish; - } - - if (acl_set_file(path, ACL_TYPE_ACCESS, acl) < 0) { - r = -errno; - goto finish; - } - - r = 0; - -finish: - acl_free(acl); - - return r; -} - -int devnode_acl_all(struct udev *udev, - const char *seat, - bool flush, - bool del, uid_t old_uid, - bool add, uid_t new_uid) { - - struct udev_list_entry *item = NULL, *first = NULL; - struct udev_enumerate *e; - int r; - - assert(udev); - - if (isempty(seat)) - seat = "seat0"; - - e = udev_enumerate_new(udev); - if (!e) - return -ENOMEM; - - /* We can only match by one tag in libudev. We choose - * "uaccess" for that. If we could match for two tags here we - * could add the seat name as second match tag, but this would - * be hardly optimizable in libudev, and hence checking the - * second tag manually in our loop is a good solution. */ - - r = udev_enumerate_add_match_tag(e, "uaccess"); - if (r < 0) - goto finish; - - r = udev_enumerate_scan_devices(e); - if (r < 0) - goto finish; - - first = udev_enumerate_get_list_entry(e); - udev_list_entry_foreach(item, first) { - struct udev_device *d; - const char *node, *sn; - - d = udev_device_new_from_syspath(udev, udev_list_entry_get_name(item)); - if (!d) { - r = -ENOMEM; - goto finish; - } - - sn = udev_device_get_property_value(d, "ID_SEAT"); - if (isempty(sn)) - sn = "seat0"; - - if (!streq(seat, sn)) { - udev_device_unref(d); - continue; - } - - node = udev_device_get_devnode(d); - if (!node) { - /* In case people mistag devices with nodes, we need to ignore this */ - udev_device_unref(d); - continue; - } - - log_debug("Fixing up %s for seat %s...", node, sn); - - r = devnode_acl(node, flush, del, old_uid, add, new_uid); - udev_device_unref(d); - - if (r < 0) - goto finish; - } - -finish: - if (e) - udev_enumerate_unref(e); - - return r; -} diff --git a/src/login/logind-acl.h b/src/login/logind-acl.h deleted file mode 100644 index ec09843a78..0000000000 --- a/src/login/logind-acl.h +++ /dev/null @@ -1,57 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -#pragma once - -/*** - This file is part of systemd. - - Copyright 2011 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <sys/types.h> -#include <stdbool.h> -#include <libudev.h> - -#ifdef HAVE_ACL - -int devnode_acl(const char *path, - bool flush, - bool del, uid_t old_uid, - bool add, uid_t new_uid); - -int devnode_acl_all(struct udev *udev, - const char *seat, - bool flush, - bool del, uid_t old_uid, - bool add, uid_t new_uid); -#else - -static inline int devnode_acl(const char *path, - bool flush, - bool del, uid_t old_uid, - bool add, uid_t new_uid) { - return 0; -} - -static inline int devnode_acl_all(struct udev *udev, - const char *seat, - bool flush, - bool del, uid_t old_uid, - bool add, uid_t new_uid) { - return 0; -} - -#endif diff --git a/src/login/logind-button.c b/src/login/logind-button.c deleted file mode 100644 index 8bbd731ae4..0000000000 --- a/src/login/logind-button.c +++ /dev/null @@ -1,322 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2012 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <assert.h> -#include <string.h> -#include <errno.h> -#include <fcntl.h> -#include <sys/ioctl.h> -#include <unistd.h> -#include <linux/input.h> -#include <sys/epoll.h> - -#include "conf-parser.h" -#include "util.h" -#include "logind-button.h" -#include "special.h" -#include "dbus-common.h" - -Button* button_new(Manager *m, const char *name) { - Button *b; - - assert(m); - assert(name); - - b = new0(Button, 1); - if (!b) - return NULL; - - b->name = strdup(name); - if (!b->name) { - free(b); - return NULL; - } - - if (hashmap_put(m->buttons, b->name, b) < 0) { - free(b->name); - free(b); - return NULL; - } - - b->manager = m; - b->fd = -1; - - return b; -} - -void button_free(Button *b) { - assert(b); - - hashmap_remove(b->manager->buttons, b->name); - - if (b->fd >= 0) { - hashmap_remove(b->manager->button_fds, INT_TO_PTR(b->fd + 1)); - assert_se(epoll_ctl(b->manager->epoll_fd, EPOLL_CTL_DEL, b->fd, NULL) == 0); - close_nointr_nofail(b->fd); - } - - free(b->name); - free(b->seat); - free(b); -} - -int button_set_seat(Button *b, const char *sn) { - char *s; - - assert(b); - assert(sn); - - s = strdup(sn); - if (!s) - return -ENOMEM; - - free(b->seat); - b->seat = s; - - return 0; -} - -int button_open(Button *b) { - char name[256], *p; - struct epoll_event ev; - int r; - - assert(b); - - if (b->fd >= 0) { - close_nointr_nofail(b->fd); - b->fd = -1; - } - - p = strappend("/dev/input/", b->name); - if (!p) - return log_oom(); - - b->fd = open(p, O_RDWR|O_CLOEXEC|O_NOCTTY|O_NONBLOCK); - free(p); - if (b->fd < 0) { - log_warning("Failed to open %s: %m", b->name); - return -errno; - } - - if (ioctl(b->fd, EVIOCGNAME(sizeof(name)), name) < 0) { - log_error("Failed to get input name: %m"); - r = -errno; - goto fail; - } - - zero(ev); - ev.events = EPOLLIN; - ev.data.u32 = FD_OTHER_BASE + b->fd; - - if (epoll_ctl(b->manager->epoll_fd, EPOLL_CTL_ADD, b->fd, &ev) < 0) { - log_error("Failed to add to epoll: %m"); - r = -errno; - goto fail; - } - - r = hashmap_put(b->manager->button_fds, INT_TO_PTR(b->fd + 1), b); - if (r < 0) { - log_error("Failed to add to hash map: %s", strerror(-r)); - assert_se(epoll_ctl(b->manager->epoll_fd, EPOLL_CTL_DEL, b->fd, NULL) == 0); - goto fail; - } - - log_info("Watching system buttons on /dev/input/%s (%s)", b->name, name); - - return 0; - -fail: - close_nointr_nofail(b->fd); - b->fd = -1; - return r; -} - -static int button_handle( - Button *b, - InhibitWhat inhibit_key, - HandleButton handle, - bool ignore_inhibited, - bool is_edge) { - - static const char * const message_table[_HANDLE_BUTTON_MAX] = { - [HANDLE_POWEROFF] = "Powering Off...", - [HANDLE_REBOOT] = "Rebooting...", - [HANDLE_HALT] = "Halting...", - [HANDLE_KEXEC] = "Rebooting via kexec...", - [HANDLE_SUSPEND] = "Suspending...", - [HANDLE_HIBERNATE] = "Hibernating...", - [HANDLE_HYBRID_SLEEP] = "Hibernating and suspending..." - }; - - static const char * const target_table[_HANDLE_BUTTON_MAX] = { - [HANDLE_POWEROFF] = SPECIAL_POWEROFF_TARGET, - [HANDLE_REBOOT] = SPECIAL_REBOOT_TARGET, - [HANDLE_HALT] = SPECIAL_HALT_TARGET, - [HANDLE_KEXEC] = SPECIAL_KEXEC_TARGET, - [HANDLE_SUSPEND] = SPECIAL_SUSPEND_TARGET, - [HANDLE_HIBERNATE] = SPECIAL_HIBERNATE_TARGET, - [HANDLE_HYBRID_SLEEP] = SPECIAL_HYBRID_SLEEP_TARGET - }; - - DBusError error; - int r; - InhibitWhat inhibit_operation; - - assert(b); - - /* If the key handling is turned off, don't do anything */ - if (handle == HANDLE_IGNORE) { - log_debug("Refusing key handling, as it is turned off."); - return 0; - } - - /* If the key handling is inhibited, don't do anything */ - if (manager_is_inhibited(b->manager, inhibit_key, INHIBIT_BLOCK, NULL, true, false, 0)) { - log_debug("Refusing key handling, %s is inhibited.", inhibit_what_to_string(inhibit_key)); - return 0; - } - - /* Locking is handled differently from the rest. */ - if (handle == HANDLE_LOCK) { - log_info("Locking sessions..."); - session_send_lock_all(b->manager, true); - return 1; - } - - inhibit_operation = handle == HANDLE_SUSPEND || handle == HANDLE_HIBERNATE || handle == HANDLE_HYBRID_SLEEP ? INHIBIT_SLEEP : INHIBIT_SHUTDOWN; - - /* If the actual operation is inhibited, warn and fail */ - if (!ignore_inhibited && - manager_is_inhibited(b->manager, inhibit_operation, INHIBIT_BLOCK, NULL, false, false, 0)) { - - - /* If this is just a recheck of the lid switch then don't warn about anything */ - if (!is_edge) { - log_debug("Refusing operation, %s is inhibited.", inhibit_what_to_string(inhibit_operation)); - return 0; - } - - log_error("Refusing operation, %s is inhibited.", inhibit_what_to_string(inhibit_operation)); - warn_melody(); - return -EPERM; - } - - log_info("%s", message_table[handle]); - - /* We are executing the operation, so make sure we don't - * execute another one until the lid is opened/closed again */ - b->lid_close_queued = false; - - dbus_error_init(&error); - r = bus_manager_shutdown_or_sleep_now_or_later(b->manager, target_table[handle], inhibit_operation, &error); - if (r < 0) { - log_error("Failed to execute operation: %s", bus_error_message(&error)); - dbus_error_free(&error); - return r; - } - - return 1; -} - -int button_process(Button *b) { - struct input_event ev; - ssize_t l; - - assert(b); - - l = read(b->fd, &ev, sizeof(ev)); - if (l < 0) - return errno != EAGAIN ? -errno : 0; - if ((size_t) l < sizeof(ev)) - return -EIO; - - if (ev.type == EV_KEY && ev.value > 0) { - - switch (ev.code) { - - case KEY_POWER: - case KEY_POWER2: - log_info("Power key pressed."); - return button_handle(b, INHIBIT_HANDLE_POWER_KEY, b->manager->handle_power_key, b->manager->power_key_ignore_inhibited, true); - - /* The kernel is a bit confused here: - - KEY_SLEEP = suspend-to-ram, which everybody else calls "suspend" - KEY_SUSPEND = suspend-to-disk, which everybody else calls "hibernate" - */ - - case KEY_SLEEP: - log_info("Suspend key pressed."); - return button_handle(b, INHIBIT_HANDLE_SUSPEND_KEY, b->manager->handle_suspend_key, b->manager->suspend_key_ignore_inhibited, true); - - case KEY_SUSPEND: - log_info("Hibernate key pressed."); - return button_handle(b, INHIBIT_HANDLE_HIBERNATE_KEY, b->manager->handle_hibernate_key, b->manager->hibernate_key_ignore_inhibited, true); - } - - } else if (ev.type == EV_SW && ev.value > 0) { - - switch (ev.code) { - - case SW_LID: - log_info("Lid closed."); - b->lid_close_queued = true; - - return button_handle(b, INHIBIT_HANDLE_LID_SWITCH, b->manager->handle_lid_switch, b->manager->lid_switch_ignore_inhibited, true); - } - - } else if (ev.type == EV_SW && ev.value == 0) { - - switch (ev.code) { - - case SW_LID: - log_info("Lid opened."); - b->lid_close_queued = false; - break; - } - } - - return 0; -} - -int button_recheck(Button *b) { - assert(b); - - if (!b->lid_close_queued) - return 0; - - return button_handle(b, INHIBIT_HANDLE_LID_SWITCH, b->manager->handle_lid_switch, b->manager->lid_switch_ignore_inhibited, false); -} - -static const char* const handle_button_table[_HANDLE_BUTTON_MAX] = { - [HANDLE_IGNORE] = "ignore", - [HANDLE_POWEROFF] = "poweroff", - [HANDLE_REBOOT] = "reboot", - [HANDLE_HALT] = "halt", - [HANDLE_KEXEC] = "kexec", - [HANDLE_SUSPEND] = "suspend", - [HANDLE_HIBERNATE] = "hibernate", - [HANDLE_HYBRID_SLEEP] = "hybrid-sleep", - [HANDLE_LOCK] = "lock" -}; -DEFINE_STRING_TABLE_LOOKUP(handle_button, HandleButton); -DEFINE_CONFIG_PARSE_ENUM(config_parse_handle_button, handle_button, HandleButton, "Failed to parse handle button setting"); diff --git a/src/login/logind-button.h b/src/login/logind-button.h deleted file mode 100644 index b76ca32c08..0000000000 --- a/src/login/logind-button.h +++ /dev/null @@ -1,67 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -#ifndef foologindbuttonhfoo -#define foologindbuttonhfoo - -/*** - This file is part of systemd. - - Copyright 2012 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -typedef struct Button Button; - -typedef enum HandleButton { - HANDLE_IGNORE, - HANDLE_POWEROFF, - HANDLE_REBOOT, - HANDLE_HALT, - HANDLE_KEXEC, - HANDLE_SUSPEND, - HANDLE_HIBERNATE, - HANDLE_HYBRID_SLEEP, - HANDLE_LOCK, - _HANDLE_BUTTON_MAX, - _HANDLE_BUTTON_INVALID = -1 -} HandleButton; - -#include "list.h" -#include "util.h" -#include "logind.h" - -struct Button { - Manager *manager; - - char *name; - char *seat; - int fd; - - bool lid_close_queued; -}; - -Button* button_new(Manager *m, const char *name); -void button_free(Button*b); -int button_open(Button *b); -int button_process(Button *b); -int button_recheck(Button *b); -int button_set_seat(Button *b, const char *sn); - -const char* handle_button_to_string(HandleButton h); -HandleButton handle_button_from_string(const char *s); - -int config_parse_handle_button(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); - -#endif diff --git a/src/login/logind-dbus.c b/src/login/logind-dbus.c deleted file mode 100644 index 8b6021d35f..0000000000 --- a/src/login/logind-dbus.c +++ /dev/null @@ -1,2389 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2011 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <errno.h> -#include <string.h> -#include <unistd.h> -#include <pwd.h> - -#include "logind.h" -#include "dbus-common.h" -#include "strv.h" -#include "mkdir.h" -#include "path-util.h" -#include "polkit.h" -#include "special.h" -#include "systemd/sd-id128.h" -#include "systemd/sd-messages.h" - -#define BUS_MANAGER_INTERFACE \ - " <interface name=\"org.freedesktop.login1.Manager\">\n" \ - " <method name=\"GetSession\">\n" \ - " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"session\" type=\"o\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"GetSessionByPID\">\n" \ - " <arg name=\"pid\" type=\"u\" direction=\"in\"/>\n" \ - " <arg name=\"session\" type=\"o\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"GetUser\">\n" \ - " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \ - " <arg name=\"user\" type=\"o\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"GetSeat\">\n" \ - " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"seat\" type=\"o\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"ListSessions\">\n" \ - " <arg name=\"sessions\" type=\"a(susso)\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"ListUsers\">\n" \ - " <arg name=\"users\" type=\"a(uso)\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"ListSeats\">\n" \ - " <arg name=\"seats\" type=\"a(so)\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"CreateSession\">\n" \ - " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \ - " <arg name=\"leader\" type=\"u\" direction=\"in\"/>\n" \ - " <arg name=\"sevice\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"type\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"class\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"vtnr\" type=\"u\" direction=\"in\"/>\n" \ - " <arg name=\"tty\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"display\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"remote\" type=\"b\" direction=\"in\"/>\n" \ - " <arg name=\"remote_user\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"remote_host\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"controllers\" type=\"as\" direction=\"in\"/>\n" \ - " <arg name=\"reset_controllers\" type=\"as\" direction=\"in\"/>\n" \ - " <arg name=\"kill_processes\" type=\"b\" direction=\"in\"/>\n" \ - " <arg name=\"id\" type=\"s\" direction=\"out\"/>\n" \ - " <arg name=\"path\" type=\"o\" direction=\"out\"/>\n" \ - " <arg name=\"runtime_path\" type=\"o\" direction=\"out\"/>\n" \ - " <arg name=\"fd\" type=\"h\" direction=\"out\"/>\n" \ - " <arg name=\"seat\" type=\"s\" direction=\"out\"/>\n" \ - " <arg name=\"vtnr\" type=\"u\" direction=\"out\"/>\n" \ - " <arg name=\"existing\" type=\"b\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"ReleaseSession\">\n" \ - " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"ActivateSession\">\n" \ - " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"ActivateSessionOnSeat\">\n" \ - " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"LockSession\">\n" \ - " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"UnlockSession\">\n" \ - " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"LockSessions\"/>\n" \ - " <method name=\"KillSession\">\n" \ - " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"who\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"signal\" type=\"s\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"KillUser\">\n" \ - " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \ - " <arg name=\"signal\" type=\"s\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"TerminateSession\">\n" \ - " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"TerminateUser\">\n" \ - " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"TerminateSeat\">\n" \ - " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"SetUserLinger\">\n" \ - " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \ - " <arg name=\"b\" type=\"b\" direction=\"in\"/>\n" \ - " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"AttachDevice\">\n" \ - " <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"sysfs\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"FlushDevices\">\n" \ - " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"PowerOff\">\n" \ - " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"Reboot\">\n" \ - " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"Suspend\">\n" \ - " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"Hibernate\">\n" \ - " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"HybridSleep\">\n" \ - " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"CanPowerOff\">\n" \ - " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"CanReboot\">\n" \ - " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"CanSuspend\">\n" \ - " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"CanHibernate\">\n" \ - " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"CanHybridSleep\">\n" \ - " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"Inhibit\">\n" \ - " <arg name=\"what\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"who\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"why\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"fd\" type=\"h\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"ListInhibitors\">\n" \ - " <arg name=\"inhibitors\" type=\"a(ssssuu)\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <signal name=\"SessionNew\">\n" \ - " <arg name=\"id\" type=\"s\"/>\n" \ - " <arg name=\"path\" type=\"o\"/>\n" \ - " </signal>\n" \ - " <signal name=\"SessionRemoved\">\n" \ - " <arg name=\"id\" type=\"s\"/>\n" \ - " <arg name=\"path\" type=\"o\"/>\n" \ - " </signal>\n" \ - " <signal name=\"UserNew\">\n" \ - " <arg name=\"uid\" type=\"u\"/>\n" \ - " <arg name=\"path\" type=\"o\"/>\n" \ - " </signal>\n" \ - " <signal name=\"UserRemoved\">\n" \ - " <arg name=\"uid\" type=\"u\"/>\n" \ - " <arg name=\"path\" type=\"o\"/>\n" \ - " </signal>\n" \ - " <signal name=\"SeatNew\">\n" \ - " <arg name=\"id\" type=\"s\"/>\n" \ - " <arg name=\"path\" type=\"o\"/>\n" \ - " </signal>\n" \ - " <signal name=\"SeatRemoved\">\n" \ - " <arg name=\"id\" type=\"s\"/>\n" \ - " <arg name=\"path\" type=\"o\"/>\n" \ - " </signal>\n" \ - " <signal name=\"PrepareForShutdown\">\n" \ - " <arg name=\"active\" type=\"b\"/>\n" \ - " </signal>\n" \ - " <signal name=\"PrepareForSleep\">\n" \ - " <arg name=\"active\" type=\"b\"/>\n" \ - " </signal>\n" \ - " <property name=\"ControlGroupHierarchy\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"Controllers\" type=\"as\" access=\"read\"/>\n" \ - " <property name=\"ResetControllers\" type=\"as\" access=\"read\"/>\n" \ - " <property name=\"NAutoVTs\" type=\"u\" access=\"read\"/>\n" \ - " <property name=\"KillOnlyUsers\" type=\"as\" access=\"read\"/>\n" \ - " <property name=\"KillExcludeUsers\" type=\"as\" access=\"read\"/>\n" \ - " <property name=\"KillUserProcesses\" type=\"b\" access=\"read\"/>\n" \ - " <property name=\"IdleHint\" type=\"b\" access=\"read\"/>\n" \ - " <property name=\"IdleSinceHint\" type=\"t\" access=\"read\"/>\n" \ - " <property name=\"IdleSinceHintMonotonic\" type=\"t\" access=\"read\"/>\n" \ - " <property name=\"BlockInhibited\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"DelayInhibited\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"InhibitDelayMaxUSec\" type=\"t\" access=\"read\"/>\n" \ - " <property name=\"HandlePowerKey\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"HandleSuspendKey\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"HandleHibernateKey\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"HandleLidSwitch\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"PreparingForShutdown\" type=\"b\" access=\"read\"/>\n" \ - " <property name=\"PreparingForSleep\" type=\"b\" access=\"read\"/>\n" \ - " </interface>\n" - -#define INTROSPECTION_BEGIN \ - DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \ - "<node>\n" \ - BUS_MANAGER_INTERFACE \ - BUS_PROPERTIES_INTERFACE \ - BUS_PEER_INTERFACE \ - BUS_INTROSPECTABLE_INTERFACE - -#define INTROSPECTION_END \ - "</node>\n" - -#define INTERFACES_LIST \ - BUS_GENERIC_INTERFACES_LIST \ - "org.freedesktop.login1.Manager\0" - -static int bus_manager_append_idle_hint(DBusMessageIter *i, const char *property, void *data) { - Manager *m = data; - dbus_bool_t b; - - assert(i); - assert(property); - assert(m); - - b = manager_get_idle_hint(m, NULL) > 0; - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b)) - return -ENOMEM; - - return 0; -} - -static int bus_manager_append_idle_hint_since(DBusMessageIter *i, const char *property, void *data) { - Manager *m = data; - dual_timestamp t; - uint64_t u; - - assert(i); - assert(property); - assert(m); - - manager_get_idle_hint(m, &t); - u = streq(property, "IdleSinceHint") ? t.realtime : t.monotonic; - - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT64, &u)) - return -ENOMEM; - - return 0; -} - -static int bus_manager_append_inhibited(DBusMessageIter *i, const char *property, void *data) { - Manager *m = data; - InhibitWhat w; - const char *p; - - w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY); - p = inhibit_what_to_string(w); - - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &p)) - return -ENOMEM; - - return 0; -} - -static int bus_manager_append_preparing(DBusMessageIter *i, const char *property, void *data) { - Manager *m = data; - dbus_bool_t b; - - assert(i); - assert(property); - - if (streq(property, "PreparingForShutdown")) - b = !!(m->delayed_what & INHIBIT_SHUTDOWN); - else - b = !!(m->delayed_what & INHIBIT_SLEEP); - - dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b); - return 0; -} - -static int bus_manager_create_session(Manager *m, DBusMessage *message, DBusMessage **_reply) { - Session *session = NULL; - User *user = NULL; - const char *type, *class, *seat, *tty, *display, *remote_user, *remote_host, *service; - uint32_t uid, leader, audit_id = 0; - dbus_bool_t remote, kill_processes, exists; - char **controllers = NULL, **reset_controllers = NULL; - SessionType t; - SessionClass c; - Seat *s; - DBusMessageIter iter; - int r; - char *id = NULL, *p; - uint32_t vtnr = 0; - int fifo_fd = -1; - DBusMessage *reply = NULL; - bool b; - - assert(m); - assert(message); - assert(_reply); - - if (!dbus_message_iter_init(message, &iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32) - return -EINVAL; - - dbus_message_iter_get_basic(&iter, &uid); - - if (!dbus_message_iter_next(&iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32) - return -EINVAL; - - dbus_message_iter_get_basic(&iter, &leader); - - if (leader <= 0 || - !dbus_message_iter_next(&iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) - return -EINVAL; - - dbus_message_iter_get_basic(&iter, &service); - - if (!dbus_message_iter_next(&iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) - return -EINVAL; - - dbus_message_iter_get_basic(&iter, &type); - t = session_type_from_string(type); - - if (t < 0 || - !dbus_message_iter_next(&iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) - return -EINVAL; - - dbus_message_iter_get_basic(&iter, &class); - if (isempty(class)) - c = SESSION_USER; - else - c = session_class_from_string(class); - - if (c < 0 || - !dbus_message_iter_next(&iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) - return -EINVAL; - - dbus_message_iter_get_basic(&iter, &seat); - - if (isempty(seat)) - s = NULL; - else { - s = hashmap_get(m->seats, seat); - if (!s) - return -ENOENT; - } - - if (!dbus_message_iter_next(&iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32) - return -EINVAL; - - dbus_message_iter_get_basic(&iter, &vtnr); - - if (!dbus_message_iter_next(&iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) - return -EINVAL; - - dbus_message_iter_get_basic(&iter, &tty); - - if (tty_is_vc(tty)) { - int v; - - if (!s) - s = m->vtconsole; - else if (s != m->vtconsole) - return -EINVAL; - - v = vtnr_from_tty(tty); - - if (v <= 0) - return v < 0 ? v : -EINVAL; - - if (vtnr <= 0) - vtnr = (uint32_t) v; - else if (vtnr != (uint32_t) v) - return -EINVAL; - } else if (tty_is_console(tty)) { - - if (!s) - s = m->vtconsole; - else if (s != m->vtconsole) - return -EINVAL; - - if (vtnr != 0) - return -EINVAL; - - } - - if (s) { - if (seat_can_multi_session(s)) { - if (vtnr > 63) - return -EINVAL; - } else { - if (vtnr != 0) - return -EINVAL; - } - } - - if (!dbus_message_iter_next(&iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) - return -EINVAL; - - dbus_message_iter_get_basic(&iter, &display); - - if (!dbus_message_iter_next(&iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_BOOLEAN) - return -EINVAL; - - dbus_message_iter_get_basic(&iter, &remote); - - if (!dbus_message_iter_next(&iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) - return -EINVAL; - - dbus_message_iter_get_basic(&iter, &remote_user); - - if (!dbus_message_iter_next(&iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) - return -EINVAL; - - dbus_message_iter_get_basic(&iter, &remote_host); - - if (!dbus_message_iter_next(&iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || - dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRING) - return -EINVAL; - - r = bus_parse_strv_iter(&iter, &controllers); - if (r < 0) - return -EINVAL; - - if (strv_contains(controllers, "systemd") || - !dbus_message_iter_next(&iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || - dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRING) { - r = -EINVAL; - goto fail; - } - - r = bus_parse_strv_iter(&iter, &reset_controllers); - if (r < 0) - goto fail; - - if (strv_contains(reset_controllers, "systemd") || - !dbus_message_iter_next(&iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_BOOLEAN) { - r = -EINVAL; - goto fail; - } - - dbus_message_iter_get_basic(&iter, &kill_processes); - - r = manager_add_user_by_uid(m, uid, &user); - if (r < 0) - goto fail; - - audit_session_from_pid(leader, &audit_id); - - if (audit_id > 0) { - asprintf(&id, "%lu", (unsigned long) audit_id); - - if (!id) { - r = -ENOMEM; - goto fail; - } - - session = hashmap_get(m->sessions, id); - - if (session) { - free(id); - - fifo_fd = session_create_fifo(session); - if (fifo_fd < 0) { - r = fifo_fd; - goto fail; - } - - /* Session already exists, client is probably - * something like "su" which changes uid but - * is still the same audit session */ - - reply = dbus_message_new_method_return(message); - if (!reply) { - r = -ENOMEM; - goto fail; - } - - p = session_bus_path(session); - if (!p) { - r = -ENOMEM; - goto fail; - } - - seat = session->seat ? session->seat->id : ""; - vtnr = session->vtnr; - exists = true; - - b = dbus_message_append_args( - reply, - DBUS_TYPE_STRING, &session->id, - DBUS_TYPE_OBJECT_PATH, &p, - DBUS_TYPE_STRING, &session->user->runtime_path, - DBUS_TYPE_UNIX_FD, &fifo_fd, - DBUS_TYPE_STRING, &seat, - DBUS_TYPE_UINT32, &vtnr, - DBUS_TYPE_BOOLEAN, &exists, - DBUS_TYPE_INVALID); - free(p); - - if (!b) { - r = -ENOMEM; - goto fail; - } - - close_nointr_nofail(fifo_fd); - *_reply = reply; - - strv_free(controllers); - strv_free(reset_controllers); - - return 0; - } - - } else { - do { - free(id); - id = NULL; - - if (asprintf(&id, "c%lu", ++m->session_counter) < 0) { - r = -ENOMEM; - goto fail; - } - - } while (hashmap_get(m->sessions, id)); - } - - r = manager_add_session(m, user, id, &session); - free(id); - if (r < 0) - goto fail; - - session->leader = leader; - session->audit_id = audit_id; - session->type = t; - session->class = c; - session->remote = remote; - session->controllers = controllers; - session->reset_controllers = reset_controllers; - session->kill_processes = kill_processes; - session->vtnr = vtnr; - - controllers = reset_controllers = NULL; - - if (!isempty(tty)) { - session->tty = strdup(tty); - if (!session->tty) { - r = -ENOMEM; - goto fail; - } - } - - if (!isempty(display)) { - session->display = strdup(display); - if (!session->display) { - r = -ENOMEM; - goto fail; - } - } - - if (!isempty(remote_user)) { - session->remote_user = strdup(remote_user); - if (!session->remote_user) { - r = -ENOMEM; - goto fail; - } - } - - if (!isempty(remote_host)) { - session->remote_host = strdup(remote_host); - if (!session->remote_host) { - r = -ENOMEM; - goto fail; - } - } - - if (!isempty(service)) { - session->service = strdup(service); - if (!session->service) { - r = -ENOMEM; - goto fail; - } - } - - fifo_fd = session_create_fifo(session); - if (fifo_fd < 0) { - r = fifo_fd; - goto fail; - } - - if (s) { - r = seat_attach_session(s, session); - if (r < 0) - goto fail; - } - - r = session_start(session); - if (r < 0) - goto fail; - - reply = dbus_message_new_method_return(message); - if (!reply) { - r = -ENOMEM; - goto fail; - } - - p = session_bus_path(session); - if (!p) { - r = -ENOMEM; - goto fail; - } - - seat = s ? s->id : ""; - exists = false; - b = dbus_message_append_args( - reply, - DBUS_TYPE_STRING, &session->id, - DBUS_TYPE_OBJECT_PATH, &p, - DBUS_TYPE_STRING, &session->user->runtime_path, - DBUS_TYPE_UNIX_FD, &fifo_fd, - DBUS_TYPE_STRING, &seat, - DBUS_TYPE_UINT32, &vtnr, - DBUS_TYPE_BOOLEAN, &exists, - DBUS_TYPE_INVALID); - free(p); - - if (!b) { - r = -ENOMEM; - goto fail; - } - - close_nointr_nofail(fifo_fd); - *_reply = reply; - - return 0; - -fail: - strv_free(controllers); - strv_free(reset_controllers); - - if (session) - session_add_to_gc_queue(session); - - if (user) - user_add_to_gc_queue(user); - - if (fifo_fd >= 0) - close_nointr_nofail(fifo_fd); - - if (reply) - dbus_message_unref(reply); - - return r; -} - -static int bus_manager_inhibit(Manager *m, DBusConnection *connection, DBusMessage *message, DBusError *error, DBusMessage **_reply) { - Inhibitor *i = NULL; - char *id = NULL; - const char *who, *why, *what, *mode; - pid_t pid; - InhibitWhat w; - InhibitMode mm; - unsigned long ul; - int r, fifo_fd = -1; - DBusMessage *reply = NULL; - - assert(m); - assert(connection); - assert(message); - assert(error); - assert(_reply); - - if (!dbus_message_get_args( - message, - error, - DBUS_TYPE_STRING, &what, - DBUS_TYPE_STRING, &who, - DBUS_TYPE_STRING, &why, - DBUS_TYPE_STRING, &mode, - DBUS_TYPE_INVALID)) { - r = -EIO; - goto fail; - } - - w = inhibit_what_from_string(what); - if (w <= 0) { - r = -EINVAL; - goto fail; - } - - mm = inhibit_mode_from_string(mode); - if (mm < 0) { - r = -EINVAL; - goto fail; - } - - /* Delay is only supported for shutdown/sleep */ - if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP))) { - r = -EINVAL; - goto fail; - } - - r = verify_polkit(connection, message, - w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") : - w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") : - w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" : - w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" : - w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" : - w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" : - "org.freedesktop.login1.inhibit-handle-lid-switch", - false, NULL, error); - if (r < 0) - goto fail; - - ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error); - if (ul == (unsigned long) -1) { - r = -EIO; - goto fail; - } - - pid = bus_get_unix_process_id(connection, dbus_message_get_sender(message), error); - if (pid <= 0) { - r = -EIO; - goto fail; - } - - do { - free(id); - id = NULL; - - if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0) { - r = -ENOMEM; - goto fail; - } - } while (hashmap_get(m->inhibitors, id)); - - r = manager_add_inhibitor(m, id, &i); - free(id); - - if (r < 0) - goto fail; - - i->what = w; - i->mode = mm; - i->pid = pid; - i->uid = (uid_t) ul; - i->why = strdup(why); - i->who = strdup(who); - - if (!i->why || !i->who) { - r = -ENOMEM; - goto fail; - } - - fifo_fd = inhibitor_create_fifo(i); - if (fifo_fd < 0) { - r = fifo_fd; - goto fail; - } - - reply = dbus_message_new_method_return(message); - if (!reply) { - r = -ENOMEM; - goto fail; - } - - if (!dbus_message_append_args( - reply, - DBUS_TYPE_UNIX_FD, &fifo_fd, - DBUS_TYPE_INVALID)) { - r = -ENOMEM; - goto fail; - } - - close_nointr_nofail(fifo_fd); - *_reply = reply; - - inhibitor_start(i); - - return 0; - -fail: - if (i) - inhibitor_free(i); - - if (fifo_fd >= 0) - close_nointr_nofail(fifo_fd); - - if (reply) - dbus_message_unref(reply); - - return r; -} - -static int trigger_device(Manager *m, struct udev_device *d) { - struct udev_enumerate *e; - struct udev_list_entry *first, *item; - int r; - - assert(m); - - e = udev_enumerate_new(m->udev); - if (!e) { - r = -ENOMEM; - goto finish; - } - - if (d) { - if (udev_enumerate_add_match_parent(e, d) < 0) { - r = -EIO; - goto finish; - } - } - - if (udev_enumerate_scan_devices(e) < 0) { - r = -EIO; - goto finish; - } - - first = udev_enumerate_get_list_entry(e); - udev_list_entry_foreach(item, first) { - char *t; - const char *p; - - p = udev_list_entry_get_name(item); - - t = strappend(p, "/uevent"); - if (!t) { - r = -ENOMEM; - goto finish; - } - - write_one_line_file(t, "change"); - free(t); - } - - r = 0; - -finish: - if (e) - udev_enumerate_unref(e); - - return r; -} - -static int attach_device(Manager *m, const char *seat, const char *sysfs) { - struct udev_device *d; - char *rule = NULL, *file = NULL; - const char *id_for_seat; - int r; - - assert(m); - assert(seat); - assert(sysfs); - - d = udev_device_new_from_syspath(m->udev, sysfs); - if (!d) - return -ENODEV; - - if (!udev_device_has_tag(d, "seat")) { - r = -ENODEV; - goto finish; - } - - id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT"); - if (!id_for_seat) { - r = -ENODEV; - goto finish; - } - - if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0) { - r = -ENOMEM; - goto finish; - } - - if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0) { - r = -ENOMEM; - goto finish; - } - - mkdir_p_label("/etc/udev/rules.d", 0755); - r = write_one_line_file_atomic(file, rule); - if (r < 0) - goto finish; - - r = trigger_device(m, d); - -finish: - free(rule); - free(file); - - if (d) - udev_device_unref(d); - - return r; -} - -static int flush_devices(Manager *m) { - DIR *d; - - assert(m); - - d = opendir("/etc/udev/rules.d"); - if (!d) { - if (errno != ENOENT) - log_warning("Failed to open /etc/udev/rules.d: %m"); - } else { - struct dirent *de; - - while ((de = readdir(d))) { - - if (!dirent_is_file(de)) - continue; - - if (!startswith(de->d_name, "72-seat-")) - continue; - - if (!endswith(de->d_name, ".rules")) - continue; - - if (unlinkat(dirfd(d), de->d_name, 0) < 0) - log_warning("Failed to unlink %s: %m", de->d_name); - } - - closedir(d); - } - - return trigger_device(m, NULL); -} - -static int have_multiple_sessions( - Manager *m, - uid_t uid) { - - Session *session; - Iterator i; - - assert(m); - - /* Check for other users' sessions. Greeter sessions do not count. */ - HASHMAP_FOREACH(session, m->sessions, i) - if (session->class == SESSION_USER && session->user->uid != uid) - return true; - - return false; -} - -static int send_start_unit(DBusConnection *connection, const char *unit_name, DBusError *error) { - const char *mode = "replace"; - - assert(unit_name); - - return bus_method_call_with_reply ( - connection, - "org.freedesktop.systemd1", - "/org/freedesktop/systemd1", - "org.freedesktop.systemd1.Manager", - "StartUnit", - NULL, - NULL, - DBUS_TYPE_STRING, &unit_name, - DBUS_TYPE_STRING, &mode, - DBUS_TYPE_INVALID); -} - -static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) { - static const char * const signal_name[_INHIBIT_WHAT_MAX] = { - [INHIBIT_SHUTDOWN] = "PrepareForShutdown", - [INHIBIT_SLEEP] = "PrepareForSleep" - }; - - dbus_bool_t active = _active; - DBusMessage *message; - int r = 0; - - assert(m); - assert(w >= 0); - assert(w < _INHIBIT_WHAT_MAX); - assert(signal_name[w]); - - message = dbus_message_new_signal("/org/freedesktop/login1", "org.freedesktop.login1.Manager", signal_name[w]); - if (!message) - return -ENOMEM; - - if (!dbus_message_append_args(message, DBUS_TYPE_BOOLEAN, &active, DBUS_TYPE_INVALID) || - !dbus_connection_send(m->bus, message, NULL)) - r = -ENOMEM; - - dbus_message_unref(message); - return r; -} - -static int delay_shutdown_or_sleep(Manager *m, InhibitWhat w, const char *unit_name) { - assert(m); - assert(w >= 0); - assert(w < _INHIBIT_WHAT_MAX); - - /* Tell everybody to prepare for shutdown/sleep */ - send_prepare_for(m, w, true); - - /* Update timestamp for timeout */ - if (!m->delayed_unit) - m->delayed_timestamp = now(CLOCK_MONOTONIC); - - /* Remember what we want to do, possibly overriding what kind - * of unit we previously queued. */ - m->delayed_unit = unit_name; - m->delayed_what = w; - - return 0; -} - -static int bus_manager_can_shutdown_or_sleep( - Manager *m, - DBusConnection *connection, - DBusMessage *message, - InhibitWhat w, - const char *action, - const char *action_multiple_sessions, - const char *action_ignore_inhibit, - const char *sleep_type, - const char *sleep_disk_type, - DBusError *error, - DBusMessage **_reply) { - - bool multiple_sessions, challenge, blocked, b; - const char *result; - DBusMessage *reply = NULL; - int r; - unsigned long ul; - - assert(m); - assert(connection); - assert(message); - assert(w >= 0); - assert(w <= _INHIBIT_WHAT_MAX); - assert(action); - assert(action_multiple_sessions); - assert(action_ignore_inhibit); - assert(error); - assert(_reply); - - if (sleep_type) { - r = can_sleep(sleep_type); - if (r < 0) - return r; - - if (r == 0) { - result = "na"; - goto finish; - } - } - - if (sleep_disk_type) { - r = can_sleep_disk(sleep_disk_type); - if (r < 0) - return r; - - if (r == 0) { - result = "na"; - goto finish; - } - } - - ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error); - if (ul == (unsigned long) -1) - return -EIO; - - r = have_multiple_sessions(m, (uid_t) ul); - if (r < 0) - return r; - - multiple_sessions = r > 0; - blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, (uid_t) ul); - - if (multiple_sessions) { - r = verify_polkit(connection, message, action_multiple_sessions, false, &challenge, error); - if (r < 0) - return r; - - if (r > 0) - result = "yes"; - else if (challenge) - result = "challenge"; - else - result = "no"; - } - - if (blocked) { - r = verify_polkit(connection, message, action_ignore_inhibit, false, &challenge, error); - if (r < 0) - return r; - - if (r > 0 && !result) - result = "yes"; - else if (challenge && (!result || streq(result, "yes"))) - result = "challenge"; - else - result = "no"; - } - - if (!multiple_sessions && !blocked) { - /* If neither inhibit nor multiple sessions - * apply then just check the normal policy */ - - r = verify_polkit(connection, message, action, false, &challenge, error); - if (r < 0) - return r; - - if (r > 0) - result = "yes"; - else if (challenge) - result = "challenge"; - else - result = "no"; - } - -finish: - reply = dbus_message_new_method_return(message); - if (!reply) - return -ENOMEM; - - b = dbus_message_append_args( - reply, - DBUS_TYPE_STRING, &result, - DBUS_TYPE_INVALID); - if (!b) { - dbus_message_unref(reply); - return -ENOMEM; - } - - *_reply = reply; - return 0; -} - -static int bus_manager_log_shutdown( - Manager *m, - InhibitWhat w, - const char *unit_name) { - - const char *p, *q; - - assert(m); - assert(unit_name); - - if (w != INHIBIT_SHUTDOWN) - return 0; - - if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) { - p = "MESSAGE=System is powering down."; - q = "SHUTDOWN=power-off"; - } else if (streq(unit_name, SPECIAL_HALT_TARGET)) { - p = "MESSAGE=System is halting."; - q = "SHUTDOWN=halt"; - } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) { - p = "MESSAGE=System is rebooting."; - q = "SHUTDOWN=reboot"; - } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) { - p = "MESSAGE=System is rebooting with kexec."; - q = "SHUTDOWN=kexec"; - } else { - p = "MESSAGE=System is shutting down."; - q = NULL; - } - - return log_struct(LOG_NOTICE, MESSAGE_ID(SD_MESSAGE_SHUTDOWN), - p, - q, NULL); -} - -int bus_manager_shutdown_or_sleep_now_or_later( - Manager *m, - const char *unit_name, - InhibitWhat w, - DBusError *error) { - - bool delayed; - int r; - - assert(m); - assert(unit_name); - assert(w >= 0); - assert(w <= _INHIBIT_WHAT_MAX); - - delayed = - m->inhibit_delay_max > 0 && - manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0); - - if (delayed) - /* Shutdown is delayed, keep in mind what we - * want to do, and start a timeout */ - r = delay_shutdown_or_sleep(m, w, unit_name); - else { - bus_manager_log_shutdown(m, w, unit_name); - - /* Shutdown is not delayed, execute it - * immediately */ - r = send_start_unit(m->bus, unit_name, error); - } - - return r; -} - -static int bus_manager_do_shutdown_or_sleep( - Manager *m, - DBusConnection *connection, - DBusMessage *message, - const char *unit_name, - InhibitWhat w, - const char *action, - const char *action_multiple_sessions, - const char *action_ignore_inhibit, - const char *sleep_type, - const char *sleep_disk_type, - DBusError *error, - DBusMessage **_reply) { - - dbus_bool_t interactive; - bool multiple_sessions, blocked; - DBusMessage *reply = NULL; - int r; - unsigned long ul; - - assert(m); - assert(connection); - assert(message); - assert(unit_name); - assert(w >= 0); - assert(w <= _INHIBIT_WHAT_MAX); - assert(action); - assert(action_multiple_sessions); - assert(action_ignore_inhibit); - assert(error); - assert(_reply); - - if (!dbus_message_get_args( - message, - error, - DBUS_TYPE_BOOLEAN, &interactive, - DBUS_TYPE_INVALID)) - return -EINVAL; - - if (sleep_type) { - r = can_sleep(sleep_type); - if (r < 0) - return r; - - if (r == 0) - return -ENOTSUP; - } - - if (sleep_disk_type) { - r = can_sleep_disk(sleep_disk_type); - if (r < 0) - return r; - - if (r == 0) - return -ENOTSUP; - } - - ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error); - if (ul == (unsigned long) -1) - return -EIO; - - r = have_multiple_sessions(m, (uid_t) ul); - if (r < 0) - return r; - - multiple_sessions = r > 0; - blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, (uid_t) ul); - - if (multiple_sessions) { - r = verify_polkit(connection, message, action_multiple_sessions, interactive, NULL, error); - if (r < 0) - return r; - } - - if (blocked) { - r = verify_polkit(connection, message, action_ignore_inhibit, interactive, NULL, error); - if (r < 0) - return r; - } - - if (!multiple_sessions && !blocked) { - r = verify_polkit(connection, message, action, interactive, NULL, error); - if (r < 0) - return r; - } - - r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error); - if (r < 0) - return r; - - reply = dbus_message_new_method_return(message); - if (!reply) - return -ENOMEM; - - *_reply = reply; - return 0; -} - -static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_handle_button, handle_button, HandleButton); - -static const BusProperty bus_login_manager_properties[] = { - { "ControlGroupHierarchy", bus_property_append_string, "s", offsetof(Manager, cgroup_path), true }, - { "Controllers", bus_property_append_strv, "as", offsetof(Manager, controllers), true }, - { "ResetControllers", bus_property_append_strv, "as", offsetof(Manager, reset_controllers), true }, - { "NAutoVTs", bus_property_append_unsigned, "u", offsetof(Manager, n_autovts) }, - { "KillOnlyUsers", bus_property_append_strv, "as", offsetof(Manager, kill_only_users), true }, - { "KillExcludeUsers", bus_property_append_strv, "as", offsetof(Manager, kill_exclude_users), true }, - { "KillUserProcesses", bus_property_append_bool, "b", offsetof(Manager, kill_user_processes) }, - { "IdleHint", bus_manager_append_idle_hint, "b", 0 }, - { "IdleSinceHint", bus_manager_append_idle_hint_since, "t", 0 }, - { "IdleSinceHintMonotonic", bus_manager_append_idle_hint_since, "t", 0 }, - { "BlockInhibited", bus_manager_append_inhibited, "s", 0 }, - { "DelayInhibited", bus_manager_append_inhibited, "s", 0 }, - { "InhibitDelayMaxUSec", bus_property_append_usec, "t", offsetof(Manager, inhibit_delay_max) }, - { "HandlePowerKey", bus_manager_append_handle_button, "s", offsetof(Manager, handle_power_key) }, - { "HandleSuspendKey", bus_manager_append_handle_button, "s", offsetof(Manager, handle_suspend_key) }, - { "HandleHibernateKey", bus_manager_append_handle_button, "s", offsetof(Manager, handle_hibernate_key)}, - { "HandleLidSwitch", bus_manager_append_handle_button, "s", offsetof(Manager, handle_lid_switch) }, - { "PreparingForShutdown", bus_manager_append_preparing, "b", 0 }, - { "PreparingForSleep", bus_manager_append_preparing, "b", 0 }, - { NULL, } -}; - -static DBusHandlerResult manager_message_handler( - DBusConnection *connection, - DBusMessage *message, - void *userdata) { - - Manager *m = userdata; - - DBusError error; - DBusMessage *reply = NULL; - int r; - - assert(connection); - assert(message); - assert(m); - - dbus_error_init(&error); - - if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSession")) { - const char *name; - char *p; - Session *session; - bool b; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - session = hashmap_get(m->sessions, name); - if (!session) - return bus_send_error_reply(connection, message, &error, -ENOENT); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - p = session_bus_path(session); - if (!p) - goto oom; - - b = dbus_message_append_args( - reply, - DBUS_TYPE_OBJECT_PATH, &p, - DBUS_TYPE_INVALID); - free(p); - - if (!b) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSessionByPID")) { - uint32_t pid; - char *p; - Session *session; - bool b; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_UINT32, &pid, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - r = manager_get_session_by_pid(m, pid, &session); - if (r <= 0) - return bus_send_error_reply(connection, message, NULL, r < 0 ? r : -ENOENT); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - p = session_bus_path(session); - if (!p) - goto oom; - - b = dbus_message_append_args( - reply, - DBUS_TYPE_OBJECT_PATH, &p, - DBUS_TYPE_INVALID); - free(p); - - if (!b) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetUser")) { - uint32_t uid; - char *p; - User *user; - bool b; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_UINT32, &uid, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); - if (!user) - return bus_send_error_reply(connection, message, &error, -ENOENT); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - p = user_bus_path(user); - if (!p) - goto oom; - - b = dbus_message_append_args( - reply, - DBUS_TYPE_OBJECT_PATH, &p, - DBUS_TYPE_INVALID); - free(p); - - if (!b) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSeat")) { - const char *name; - char *p; - Seat *seat; - bool b; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - seat = hashmap_get(m->seats, name); - if (!seat) - return bus_send_error_reply(connection, message, &error, -ENOENT); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - p = seat_bus_path(seat); - if (!p) - goto oom; - - b = dbus_message_append_args( - reply, - DBUS_TYPE_OBJECT_PATH, &p, - DBUS_TYPE_INVALID); - free(p); - - if (!b) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListSessions")) { - char *p; - Session *session; - Iterator i; - DBusMessageIter iter, sub; - const char *empty = ""; - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - dbus_message_iter_init_append(reply, &iter); - - if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(susso)", &sub)) - goto oom; - - HASHMAP_FOREACH(session, m->sessions, i) { - DBusMessageIter sub2; - uint32_t uid; - - if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) - goto oom; - - uid = session->user->uid; - - p = session_bus_path(session); - if (!p) - goto oom; - - if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &session->id) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &uid) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &session->user->name) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, session->seat ? (const char**) &session->seat->id : &empty) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) { - free(p); - goto oom; - } - - free(p); - - if (!dbus_message_iter_close_container(&sub, &sub2)) - goto oom; - } - - if (!dbus_message_iter_close_container(&iter, &sub)) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListUsers")) { - char *p; - User *user; - Iterator i; - DBusMessageIter iter, sub; - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - dbus_message_iter_init_append(reply, &iter); - - if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(uso)", &sub)) - goto oom; - - HASHMAP_FOREACH(user, m->users, i) { - DBusMessageIter sub2; - uint32_t uid; - - if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) - goto oom; - - uid = user->uid; - - p = user_bus_path(user); - if (!p) - goto oom; - - if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &uid) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &user->name) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) { - free(p); - goto oom; - } - - free(p); - - if (!dbus_message_iter_close_container(&sub, &sub2)) - goto oom; - } - - if (!dbus_message_iter_close_container(&iter, &sub)) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListSeats")) { - char *p; - Seat *seat; - Iterator i; - DBusMessageIter iter, sub; - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - dbus_message_iter_init_append(reply, &iter); - - if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(so)", &sub)) - goto oom; - - HASHMAP_FOREACH(seat, m->seats, i) { - DBusMessageIter sub2; - - if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) - goto oom; - - p = seat_bus_path(seat); - if (!p) - goto oom; - - if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &seat->id) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) { - free(p); - goto oom; - } - - free(p); - - if (!dbus_message_iter_close_container(&sub, &sub2)) - goto oom; - } - - if (!dbus_message_iter_close_container(&iter, &sub)) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListInhibitors")) { - Inhibitor *inhibitor; - Iterator i; - DBusMessageIter iter, sub; - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - dbus_message_iter_init_append(reply, &iter); - - if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(ssssuu)", &sub)) - goto oom; - - HASHMAP_FOREACH(inhibitor, m->inhibitors, i) { - DBusMessageIter sub2; - dbus_uint32_t uid, pid; - const char *what, *who, *why, *mode; - - if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) - goto oom; - - what = strempty(inhibit_what_to_string(inhibitor->what)); - who = strempty(inhibitor->who); - why = strempty(inhibitor->why); - mode = strempty(inhibit_mode_to_string(inhibitor->mode)); - uid = (dbus_uint32_t) inhibitor->uid; - pid = (dbus_uint32_t) inhibitor->pid; - - if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &what) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &who) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &why) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &mode) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &uid) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &pid)) - goto oom; - - if (!dbus_message_iter_close_container(&sub, &sub2)) - goto oom; - } - - if (!dbus_message_iter_close_container(&iter, &sub)) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Inhibit")) { - - r = bus_manager_inhibit(m, connection, message, &error, &reply); - - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CreateSession")) { - - r = bus_manager_create_session(m, message, &reply); - - /* Don't delay the work on OOM here, since it might be - * triggered by a low RLIMIT_NOFILE here (since we - * send a dupped fd to the client), and we'd rather - * see this fail quickly then be retried later */ - - if (r < 0) - return bus_send_error_reply(connection, message, NULL, r); - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ReleaseSession")) { - const char *name; - Session *session; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - session = hashmap_get(m->sessions, name); - if (!session) - return bus_send_error_reply(connection, message, &error, -ENOENT); - - /* We use the FIFO to detect stray sessions where the - process invoking PAM dies abnormally. We need to make - sure that that process is not killed if at the clean - end of the session it closes the FIFO. Hence, with - this call explicitly turn off the FIFO logic, so that - the PAM code can finish clean up on its own */ - session_remove_fifo(session); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ActivateSession")) { - const char *name; - Session *session; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - session = hashmap_get(m->sessions, name); - if (!session) - return bus_send_error_reply(connection, message, &error, -ENOENT); - - r = session_activate(session); - if (r < 0) - return bus_send_error_reply(connection, message, NULL, r); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ActivateSessionOnSeat")) { - const char *session_name, *seat_name; - Session *session; - Seat *seat; - - /* Same as ActivateSession() but refuses to work if - * the seat doesn't match */ - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_STRING, &session_name, - DBUS_TYPE_STRING, &seat_name, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - session = hashmap_get(m->sessions, session_name); - if (!session) - return bus_send_error_reply(connection, message, &error, -ENOENT); - - seat = hashmap_get(m->seats, seat_name); - if (!seat) - return bus_send_error_reply(connection, message, &error, -ENOENT); - - if (session->seat != seat) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - r = session_activate(session); - if (r < 0) - return bus_send_error_reply(connection, message, NULL, r); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "LockSession") || - dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "UnlockSession")) { - const char *name; - Session *session; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - session = hashmap_get(m->sessions, name); - if (!session) - return bus_send_error_reply(connection, message, NULL, -ENOENT); - - if (session_send_lock(session, streq(dbus_message_get_member(message), "LockSession")) < 0) - goto oom; - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "LockSessions")) { - r = session_send_lock_all(m, true); - if (r < 0) - bus_send_error_reply(connection, message, NULL, r); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "KillSession")) { - const char *swho; - int32_t signo; - KillWho who; - const char *name; - Session *session; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_STRING, &swho, - DBUS_TYPE_INT32, &signo, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - if (isempty(swho)) - who = KILL_ALL; - else { - who = kill_who_from_string(swho); - if (who < 0) - return bus_send_error_reply(connection, message, &error, -EINVAL); - } - - if (signo <= 0 || signo >= _NSIG) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - session = hashmap_get(m->sessions, name); - if (!session) - return bus_send_error_reply(connection, message, &error, -ENOENT); - - r = session_kill(session, who, signo); - if (r < 0) - return bus_send_error_reply(connection, message, NULL, r); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "KillUser")) { - uint32_t uid; - User *user; - int32_t signo; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_UINT32, &uid, - DBUS_TYPE_INT32, &signo, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - if (signo <= 0 || signo >= _NSIG) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); - if (!user) - return bus_send_error_reply(connection, message, &error, -ENOENT); - - r = user_kill(user, signo); - if (r < 0) - return bus_send_error_reply(connection, message, NULL, r); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateSession")) { - const char *name; - Session *session; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - session = hashmap_get(m->sessions, name); - if (!session) - return bus_send_error_reply(connection, message, &error, -ENOENT); - - r = session_stop(session); - if (r < 0) - return bus_send_error_reply(connection, message, NULL, r); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateUser")) { - uint32_t uid; - User *user; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_UINT32, &uid, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); - if (!user) - return bus_send_error_reply(connection, message, &error, -ENOENT); - - r = user_stop(user); - if (r < 0) - return bus_send_error_reply(connection, message, NULL, r); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateSeat")) { - const char *name; - Seat *seat; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - seat = hashmap_get(m->seats, name); - if (!seat) - return bus_send_error_reply(connection, message, &error, -ENOENT); - - r = seat_stop_sessions(seat); - if (r < 0) - return bus_send_error_reply(connection, message, NULL, r); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "SetUserLinger")) { - uint32_t uid; - struct passwd *pw; - dbus_bool_t b, interactive; - char *path; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_UINT32, &uid, - DBUS_TYPE_BOOLEAN, &b, - DBUS_TYPE_BOOLEAN, &interactive, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - errno = 0; - pw = getpwuid(uid); - if (!pw) - return bus_send_error_reply(connection, message, NULL, errno ? -errno : -EINVAL); - - r = verify_polkit(connection, message, "org.freedesktop.login1.set-user-linger", interactive, NULL, &error); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - - mkdir_p_label("/var/lib/systemd", 0755); - - r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - - path = strappend("/var/lib/systemd/linger/", pw->pw_name); - if (!path) - goto oom; - - if (b) { - User *u; - - r = touch(path); - free(path); - - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - - if (manager_add_user_by_uid(m, uid, &u) >= 0) - user_start(u); - - } else { - User *u; - - r = unlink(path); - free(path); - - if (r < 0 && errno != ENOENT) - return bus_send_error_reply(connection, message, &error, -errno); - - u = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); - if (u) - user_add_to_gc_queue(u); - } - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "AttachDevice")) { - const char *sysfs, *seat; - dbus_bool_t interactive; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_STRING, &seat, - DBUS_TYPE_STRING, &sysfs, - DBUS_TYPE_BOOLEAN, &interactive, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - if (!path_startswith(sysfs, "/sys") || !seat_name_is_valid(seat)) - return bus_send_error_reply(connection, message, NULL, -EINVAL); - - r = verify_polkit(connection, message, "org.freedesktop.login1.attach-device", interactive, NULL, &error); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - - r = attach_device(m, seat, sysfs); - if (r < 0) - return bus_send_error_reply(connection, message, NULL, -EINVAL); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "FlushDevices")) { - dbus_bool_t interactive; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_BOOLEAN, &interactive, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - r = verify_polkit(connection, message, "org.freedesktop.login1.flush-devices", interactive, NULL, &error); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - - r = flush_devices(m); - if (r < 0) - return bus_send_error_reply(connection, message, NULL, -EINVAL); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "PowerOff")) { - - r = bus_manager_do_shutdown_or_sleep( - m, connection, message, - SPECIAL_POWEROFF_TARGET, - INHIBIT_SHUTDOWN, - "org.freedesktop.login1.power-off", - "org.freedesktop.login1.power-off-multiple-sessions", - "org.freedesktop.login1.power-off-ignore-inhibit", - NULL, NULL, - &error, &reply); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Reboot")) { - r = bus_manager_do_shutdown_or_sleep( - m, connection, message, - SPECIAL_REBOOT_TARGET, - INHIBIT_SHUTDOWN, - "org.freedesktop.login1.reboot", - "org.freedesktop.login1.reboot-multiple-sessions", - "org.freedesktop.login1.reboot-ignore-inhibit", - NULL, NULL, - &error, &reply); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Suspend")) { - r = bus_manager_do_shutdown_or_sleep( - m, connection, message, - SPECIAL_SUSPEND_TARGET, - INHIBIT_SLEEP, - "org.freedesktop.login1.suspend", - "org.freedesktop.login1.suspend-multiple-sessions", - "org.freedesktop.login1.suspend-ignore-inhibit", - "mem", NULL, - &error, &reply); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Hibernate")) { - r = bus_manager_do_shutdown_or_sleep( - m, connection, message, - SPECIAL_HIBERNATE_TARGET, - INHIBIT_SLEEP, - "org.freedesktop.login1.hibernate", - "org.freedesktop.login1.hibernate-multiple-sessions", - "org.freedesktop.login1.hibernate-ignore-inhibit", - "disk", NULL, - &error, &reply); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "HybridSleep")) { - r = bus_manager_do_shutdown_or_sleep( - m, connection, message, - SPECIAL_HYBRID_SLEEP_TARGET, - INHIBIT_SLEEP, - "org.freedesktop.login1.hibernate", - "org.freedesktop.login1.hibernate-multiple-sessions", - "org.freedesktop.login1.hibernate-ignore-inhibit", - "disk", "suspend", - &error, &reply); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanPowerOff")) { - - r = bus_manager_can_shutdown_or_sleep( - m, connection, message, - INHIBIT_SHUTDOWN, - "org.freedesktop.login1.power-off", - "org.freedesktop.login1.power-off-multiple-sessions", - "org.freedesktop.login1.power-off-ignore-inhibit", - NULL, NULL, - &error, &reply); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanReboot")) { - r = bus_manager_can_shutdown_or_sleep( - m, connection, message, - INHIBIT_SHUTDOWN, - "org.freedesktop.login1.reboot", - "org.freedesktop.login1.reboot-multiple-sessions", - "org.freedesktop.login1.reboot-ignore-inhibit", - NULL, NULL, - &error, &reply); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanSuspend")) { - r = bus_manager_can_shutdown_or_sleep( - m, connection, message, - INHIBIT_SLEEP, - "org.freedesktop.login1.suspend", - "org.freedesktop.login1.suspend-multiple-sessions", - "org.freedesktop.login1.suspend-ignore-inhibit", - "mem", NULL, - &error, &reply); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanHibernate")) { - r = bus_manager_can_shutdown_or_sleep( - m, connection, message, - INHIBIT_SLEEP, - "org.freedesktop.login1.hibernate", - "org.freedesktop.login1.hibernate-multiple-sessions", - "org.freedesktop.login1.hibernate-ignore-inhibit", - "disk", NULL, - &error, &reply); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanHybridSleep")) { - r = bus_manager_can_shutdown_or_sleep( - m, connection, message, - INHIBIT_SLEEP, - "org.freedesktop.login1.hibernate", - "org.freedesktop.login1.hibernate-multiple-sessions", - "org.freedesktop.login1.hibernate-ignore-inhibit", - "disk", "suspend", - &error, &reply); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - - } else if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect")) { - char *introspection = NULL; - FILE *f; - Iterator i; - Session *session; - Seat *seat; - User *user; - size_t size; - char *p; - - if (!(reply = dbus_message_new_method_return(message))) - goto oom; - - /* We roll our own introspection code here, instead of - * relying on bus_default_message_handler() because we - * need to generate our introspection string - * dynamically. */ - - if (!(f = open_memstream(&introspection, &size))) - goto oom; - - fputs(INTROSPECTION_BEGIN, f); - - HASHMAP_FOREACH(seat, m->seats, i) { - p = bus_path_escape(seat->id); - - if (p) { - fprintf(f, "<node name=\"seat/%s\"/>", p); - free(p); - } - } - - HASHMAP_FOREACH(user, m->users, i) - fprintf(f, "<node name=\"user/%llu\"/>", (unsigned long long) user->uid); - - HASHMAP_FOREACH(session, m->sessions, i) { - p = bus_path_escape(session->id); - - if (p) { - fprintf(f, "<node name=\"session/%s\"/>", p); - free(p); - } - } - - fputs(INTROSPECTION_END, f); - - if (ferror(f)) { - fclose(f); - free(introspection); - goto oom; - } - - fclose(f); - - if (!introspection) - goto oom; - - if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &introspection, DBUS_TYPE_INVALID)) { - free(introspection); - goto oom; - } - - free(introspection); - } else { - const BusBoundProperties bps[] = { - { "org.freedesktop.login1.Manager", bus_login_manager_properties, m }, - { NULL, } - }; - return bus_default_message_handler(connection, message, NULL, INTERFACES_LIST, bps); - } - - if (reply) { - if (!dbus_connection_send(connection, reply, NULL)) - goto oom; - - dbus_message_unref(reply); - } - - return DBUS_HANDLER_RESULT_HANDLED; - -oom: - if (reply) - dbus_message_unref(reply); - - dbus_error_free(&error); - - return DBUS_HANDLER_RESULT_NEED_MEMORY; -} - -const DBusObjectPathVTable bus_manager_vtable = { - .message_function = manager_message_handler -}; - -DBusHandlerResult bus_message_filter( - DBusConnection *connection, - DBusMessage *message, - void *userdata) { - - Manager *m = userdata; - DBusError error; - - assert(m); - assert(connection); - assert(message); - - dbus_error_init(&error); - - if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Agent", "Released")) { - const char *cgroup; - - if (!dbus_message_get_args(message, &error, - DBUS_TYPE_STRING, &cgroup, - DBUS_TYPE_INVALID)) - log_error("Failed to parse Released message: %s", bus_error_message(&error)); - else - manager_cgroup_notify_empty(m, cgroup); - } - - dbus_error_free(&error); - - return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; -} - -int manager_send_changed(Manager *manager, const char *properties) { - DBusMessage *m; - int r = -ENOMEM; - - assert(manager); - - m = bus_properties_changed_new("/org/freedesktop/login1", "org.freedesktop.login1.Manager", properties); - if (!m) - goto finish; - - if (!dbus_connection_send(manager->bus, m, NULL)) - goto finish; - - r = 0; - -finish: - if (m) - dbus_message_unref(m); - - return r; -} - -int manager_dispatch_delayed(Manager *manager) { - const char *unit_name; - DBusError error; - bool delayed; - int r; - - assert(manager); - - if (!manager->delayed_unit) - return 0; - - /* Continue delay? */ - delayed = - manager->delayed_timestamp + manager->inhibit_delay_max > now(CLOCK_MONOTONIC) && - manager_is_inhibited(manager, manager->delayed_what, INHIBIT_DELAY, NULL, false, false, 0); - if (delayed) - return 0; - - bus_manager_log_shutdown(manager, manager->delayed_what, manager->delayed_unit); - - /* Reset delay data */ - unit_name = manager->delayed_unit; - manager->delayed_unit = NULL; - - /* Actually do the shutdown */ - dbus_error_init(&error); - r = send_start_unit(manager->bus, unit_name, &error); - if (r < 0) { - log_warning("Failed to send delayed message: %s", bus_error_message_or_strerror(&error, -r)); - dbus_error_free(&error); - return r; - } - - /* Tell people about it */ - send_prepare_for(manager, manager->delayed_what, false); - - return 1; -} diff --git a/src/login/logind-device.c b/src/login/logind-device.c deleted file mode 100644 index 51b15358ba..0000000000 --- a/src/login/logind-device.c +++ /dev/null @@ -1,96 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2011 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <assert.h> -#include <string.h> - -#include "logind-device.h" -#include "util.h" - -Device* device_new(Manager *m, const char *sysfs) { - Device *d; - - assert(m); - assert(sysfs); - - d = new0(Device, 1); - if (!d) - return NULL; - - d->sysfs = strdup(sysfs); - if (!d->sysfs) { - free(d); - return NULL; - } - - if (hashmap_put(m->devices, d->sysfs, d) < 0) { - free(d->sysfs); - free(d); - return NULL; - } - - d->manager = m; - dual_timestamp_get(&d->timestamp); - - return d; -} - -void device_free(Device *d) { - assert(d); - - device_detach(d); - - hashmap_remove(d->manager->devices, d->sysfs); - - free(d->sysfs); - free(d); -} - -void device_detach(Device *d) { - Seat *s; - assert(d); - - if (!d->seat) - return; - - s = d->seat; - LIST_REMOVE(Device, devices, d->seat->devices, d); - d->seat = NULL; - - seat_add_to_gc_queue(s); - seat_send_changed(s, "CanGraphical\0"); -} - -void device_attach(Device *d, Seat *s) { - assert(d); - assert(s); - - if (d->seat == s) - return; - - if (d->seat) - device_detach(d); - - d->seat = s; - LIST_PREPEND(Device, devices, s->devices, d); - - seat_send_changed(s, "CanGraphical\0"); -} diff --git a/src/login/logind-device.h b/src/login/logind-device.h deleted file mode 100644 index 3b153568cb..0000000000 --- a/src/login/logind-device.h +++ /dev/null @@ -1,45 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -#pragma once - -/*** - This file is part of systemd. - - Copyright 2011 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -typedef struct Device Device; - -#include "list.h" -#include "util.h" -#include "logind.h" -#include "logind-seat.h" - -struct Device { - Manager *manager; - - char *sysfs; - Seat *seat; - - dual_timestamp timestamp; - - LIST_FIELDS(struct Device, devices); -}; - -Device* device_new(Manager *m, const char *sysfs); -void device_free(Device *d); -void device_attach(Device *d, Seat *s); -void device_detach(Device *d); diff --git a/src/login/logind-gperf.gperf b/src/login/logind-gperf.gperf deleted file mode 100644 index 1bd1b285d8..0000000000 --- a/src/login/logind-gperf.gperf +++ /dev/null @@ -1,32 +0,0 @@ -%{ -#include <stddef.h> -#include "conf-parser.h" -#include "logind.h" -%} -struct ConfigPerfItem; -%null_strings -%language=ANSI-C -%define slot-name section_and_lvalue -%define hash-function-name logind_gperf_hash -%define lookup-function-name logind_gperf_lookup -%readonly-tables -%omit-struct-type -%struct-type -%includes -%% -Login.NAutoVTs, config_parse_unsigned, 0, offsetof(Manager, n_autovts) -Login.ReserveVT, config_parse_unsigned, 0, offsetof(Manager, reserve_vt) -Login.KillUserProcesses, config_parse_bool, 0, offsetof(Manager, kill_user_processes) -Login.KillOnlyUsers, config_parse_strv, 0, offsetof(Manager, kill_only_users) -Login.KillExcludeUsers, config_parse_strv, 0, offsetof(Manager, kill_exclude_users) -Login.Controllers, config_parse_strv, 0, offsetof(Manager, controllers) -Login.ResetControllers, config_parse_strv, 0, offsetof(Manager, reset_controllers) -Login.InhibitDelayMaxSec, config_parse_usec, 0, offsetof(Manager, inhibit_delay_max) -Login.HandlePowerKey, config_parse_handle_button, 0, offsetof(Manager, handle_power_key) -Login.HandleSuspendKey, config_parse_handle_button, 0, offsetof(Manager, handle_suspend_key) -Login.HandleHibernateKey, config_parse_handle_button, 0, offsetof(Manager, handle_hibernate_key) -Login.HandleLidSwitch, config_parse_handle_button, 0, offsetof(Manager, handle_lid_switch) -Login.PowerKeyIgnoreInhibited, config_parse_bool, 0, offsetof(Manager, power_key_ignore_inhibited) -Login.SuspendKeyIgnoreInhibited, config_parse_bool, 0, offsetof(Manager, suspend_key_ignore_inhibited) -Login.HibernateKeyIgnoreInhibited, config_parse_bool, 0, offsetof(Manager, hibernate_key_ignore_inhibited) -Login.LidSwitchIgnoreInhibited, config_parse_bool, 0, offsetof(Manager, lid_switch_ignore_inhibited) diff --git a/src/login/logind-inhibit.c b/src/login/logind-inhibit.c deleted file mode 100644 index f1b9cca834..0000000000 --- a/src/login/logind-inhibit.c +++ /dev/null @@ -1,468 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2012 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <errno.h> -#include <fcntl.h> -#include <sys/epoll.h> -#include <string.h> -#include <errno.h> -#include <unistd.h> - -#include "util.h" -#include "mkdir.h" -#include "path-util.h" -#include "logind-inhibit.h" - -Inhibitor* inhibitor_new(Manager *m, const char* id) { - Inhibitor *i; - - assert(m); - - i = new0(Inhibitor, 1); - if (!i) - return NULL; - - i->state_file = strappend("/run/systemd/inhibit/", id); - if (!i->state_file) { - free(i); - return NULL; - } - - i->id = path_get_file_name(i->state_file); - - if (hashmap_put(m->inhibitors, i->id, i) < 0) { - free(i->state_file); - free(i); - return NULL; - } - - i->manager = m; - i->fifo_fd = -1; - - return i; -} - -void inhibitor_free(Inhibitor *i) { - assert(i); - - free(i->who); - free(i->why); - - hashmap_remove(i->manager->inhibitors, i->id); - inhibitor_remove_fifo(i); - - if (i->state_file) { - unlink(i->state_file); - free(i->state_file); - } - - free(i); -} - -int inhibitor_save(Inhibitor *i) { - char *temp_path, *cc; - int r; - FILE *f; - - assert(i); - - r = mkdir_safe_label("/run/systemd/inhibit", 0755, 0, 0); - if (r < 0) - goto finish; - - r = fopen_temporary(i->state_file, &f, &temp_path); - if (r < 0) - goto finish; - - fchmod(fileno(f), 0644); - - fprintf(f, - "# This is private data. Do not parse.\n" - "WHAT=%s\n" - "MODE=%s\n" - "UID=%lu\n" - "PID=%lu\n", - inhibit_what_to_string(i->what), - inhibit_mode_to_string(i->mode), - (unsigned long) i->uid, - (unsigned long) i->pid); - - if (i->who) { - cc = cescape(i->who); - if (!cc) - r = -ENOMEM; - else { - fprintf(f, "WHO=%s\n", cc); - free(cc); - } - } - - if (i->why) { - cc = cescape(i->why); - if (!cc) - r = -ENOMEM; - else { - fprintf(f, "WHY=%s\n", cc); - free(cc); - } - } - - if (i->fifo_path) - fprintf(f, "FIFO=%s\n", i->fifo_path); - - fflush(f); - - if (ferror(f) || rename(temp_path, i->state_file) < 0) { - r = -errno; - unlink(i->state_file); - unlink(temp_path); - } - - fclose(f); - free(temp_path); - -finish: - if (r < 0) - log_error("Failed to save inhibit data for %s: %s", i->id, strerror(-r)); - - return r; -} - -int inhibitor_start(Inhibitor *i) { - assert(i); - - if (i->started) - return 0; - - dual_timestamp_get(&i->since); - - log_debug("Inhibitor %s (%s) pid=%lu uid=%lu mode=%s started.", - strna(i->who), strna(i->why), - (unsigned long) i->pid, (unsigned long) i->uid, - inhibit_mode_to_string(i->mode)); - - inhibitor_save(i); - - i->started = true; - - manager_send_changed(i->manager, i->mode == INHIBIT_BLOCK ? "BlockInhibited\0" : "DelayInhibited\0"); - - return 0; -} - -int inhibitor_stop(Inhibitor *i) { - assert(i); - - if (i->started) - log_debug("Inhibitor %s (%s) pid=%lu uid=%lu mode=%s stopped.", - strna(i->who), strna(i->why), - (unsigned long) i->pid, (unsigned long) i->uid, - inhibit_mode_to_string(i->mode)); - - if (i->state_file) - unlink(i->state_file); - - i->started = false; - - manager_send_changed(i->manager, i->mode == INHIBIT_BLOCK ? "BlockInhibited\0" : "DelayInhibited\0"); - - return 0; -} - -int inhibitor_load(Inhibitor *i) { - InhibitWhat w; - InhibitMode mm; - int r; - char *cc, - *what = NULL, - *uid = NULL, - *pid = NULL, - *who = NULL, - *why = NULL, - *mode = NULL; - - r = parse_env_file(i->state_file, NEWLINE, - "WHAT", &what, - "UID", &uid, - "PID", &pid, - "WHO", &who, - "WHY", &why, - "MODE", &mode, - "FIFO", &i->fifo_path, - NULL); - if (r < 0) - goto finish; - - w = what ? inhibit_what_from_string(what) : 0; - if (w >= 0) - i->what = w; - - mm = mode ? inhibit_mode_from_string(mode) : INHIBIT_BLOCK; - if (mm >= 0) - i->mode = mm; - - if (uid) { - r = parse_uid(uid, &i->uid); - if (r < 0) - goto finish; - } - - if (pid) { - r = parse_pid(pid, &i->pid); - if (r < 0) - goto finish; - } - - if (who) { - cc = cunescape(who); - if (!cc) { - r = -ENOMEM; - goto finish; - } - - free(i->who); - i->who = cc; - } - - if (why) { - cc = cunescape(why); - if (!cc) { - r = -ENOMEM; - goto finish; - } - - free(i->why); - i->why = cc; - } - - if (i->fifo_path) { - int fd; - - fd = inhibitor_create_fifo(i); - if (fd >= 0) - close_nointr_nofail(fd); - } - -finish: - free(what); - free(uid); - free(pid); - free(who); - free(why); - - return r; -} - -int inhibitor_create_fifo(Inhibitor *i) { - int r; - - assert(i); - - /* Create FIFO */ - if (!i->fifo_path) { - r = mkdir_safe_label("/run/systemd/inhibit", 0755, 0, 0); - if (r < 0) - return r; - - if (asprintf(&i->fifo_path, "/run/systemd/inhibit/%s.ref", i->id) < 0) - return -ENOMEM; - - if (mkfifo(i->fifo_path, 0600) < 0 && errno != EEXIST) - return -errno; - } - - /* Open reading side */ - if (i->fifo_fd < 0) { - struct epoll_event ev; - - i->fifo_fd = open(i->fifo_path, O_RDONLY|O_CLOEXEC|O_NDELAY); - if (i->fifo_fd < 0) - return -errno; - - r = hashmap_put(i->manager->inhibitor_fds, INT_TO_PTR(i->fifo_fd + 1), i); - if (r < 0) - return r; - - zero(ev); - ev.events = 0; - ev.data.u32 = FD_OTHER_BASE + i->fifo_fd; - - if (epoll_ctl(i->manager->epoll_fd, EPOLL_CTL_ADD, i->fifo_fd, &ev) < 0) - return -errno; - } - - /* Open writing side */ - r = open(i->fifo_path, O_WRONLY|O_CLOEXEC|O_NDELAY); - if (r < 0) - return -errno; - - return r; -} - -void inhibitor_remove_fifo(Inhibitor *i) { - assert(i); - - if (i->fifo_fd >= 0) { - assert_se(hashmap_remove(i->manager->inhibitor_fds, INT_TO_PTR(i->fifo_fd + 1)) == i); - assert_se(epoll_ctl(i->manager->epoll_fd, EPOLL_CTL_DEL, i->fifo_fd, NULL) == 0); - close_nointr_nofail(i->fifo_fd); - i->fifo_fd = -1; - } - - if (i->fifo_path) { - unlink(i->fifo_path); - free(i->fifo_path); - i->fifo_path = NULL; - } -} - -InhibitWhat manager_inhibit_what(Manager *m, InhibitMode mm) { - Inhibitor *i; - Iterator j; - InhibitWhat what = 0; - - assert(m); - - HASHMAP_FOREACH(i, m->inhibitor_fds, j) - if (i->mode == mm) - what |= i->what; - - return what; -} - -static int pid_is_active(Manager *m, pid_t pid) { - Session *s; - int r; - - r = manager_get_session_by_pid(m, pid, &s); - if (r <= 0) - return r; - - return session_is_active(s); -} - -bool manager_is_inhibited( - Manager *m, - InhibitWhat w, - InhibitMode mm, - dual_timestamp *since, - bool ignore_inactive, - bool ignore_uid, - uid_t uid) { - - Inhibitor *i; - Iterator j; - struct dual_timestamp ts = { 0, 0 }; - bool inhibited = false; - - assert(m); - assert(w > 0 && w < _INHIBIT_WHAT_MAX); - - HASHMAP_FOREACH(i, m->inhibitor_fds, j) { - if (!(i->what & w)) - continue; - - if (i->mode != mm) - continue; - - if (ignore_inactive && pid_is_active(m, i->pid) <= 0) - continue; - - if (ignore_uid && i->uid == uid) - continue; - - if (!inhibited || - i->since.monotonic < ts.monotonic) - ts = i->since; - - inhibited = true; - } - - if (since) - *since = ts; - - return inhibited; -} - -const char *inhibit_what_to_string(InhibitWhat w) { - static __thread char buffer[97]; - char *p; - - if (w < 0 || w >= _INHIBIT_WHAT_MAX) - return NULL; - - p = buffer; - if (w & INHIBIT_SHUTDOWN) - p = stpcpy(p, "shutdown:"); - if (w & INHIBIT_SLEEP) - p = stpcpy(p, "sleep:"); - if (w & INHIBIT_IDLE) - p = stpcpy(p, "idle:"); - if (w & INHIBIT_HANDLE_POWER_KEY) - p = stpcpy(p, "handle-power-key:"); - if (w & INHIBIT_HANDLE_SUSPEND_KEY) - p = stpcpy(p, "handle-suspend-key:"); - if (w & INHIBIT_HANDLE_HIBERNATE_KEY) - p = stpcpy(p, "handle-hibernate-key:"); - if (w & INHIBIT_HANDLE_LID_SWITCH) - p = stpcpy(p, "handle-lid-switch:"); - - if (p > buffer) - *(p-1) = 0; - else - *p = 0; - - return buffer; -} - -InhibitWhat inhibit_what_from_string(const char *s) { - InhibitWhat what = 0; - char *w, *state; - size_t l; - - FOREACH_WORD_SEPARATOR(w, l, s, ":", state) { - if (l == 8 && strncmp(w, "shutdown", l) == 0) - what |= INHIBIT_SHUTDOWN; - else if (l == 5 && strncmp(w, "sleep", l) == 0) - what |= INHIBIT_SLEEP; - else if (l == 4 && strncmp(w, "idle", l) == 0) - what |= INHIBIT_IDLE; - else if (l == 16 && strncmp(w, "handle-power-key", l) == 0) - what |= INHIBIT_HANDLE_POWER_KEY; - else if (l == 18 && strncmp(w, "handle-suspend-key", l) == 0) - what |= INHIBIT_HANDLE_SUSPEND_KEY; - else if (l == 20 && strncmp(w, "handle-hibernate-key", l) == 0) - what |= INHIBIT_HANDLE_HIBERNATE_KEY; - else if (l == 17 && strncmp(w, "handle-lid-switch", l) == 0) - what |= INHIBIT_HANDLE_LID_SWITCH; - else - return _INHIBIT_WHAT_INVALID; - } - - return what; -} - -static const char* const inhibit_mode_table[_INHIBIT_MODE_MAX] = { - [INHIBIT_BLOCK] = "block", - [INHIBIT_DELAY] = "delay" -}; - -DEFINE_STRING_TABLE_LOOKUP(inhibit_mode, InhibitMode); diff --git a/src/login/logind-inhibit.h b/src/login/logind-inhibit.h deleted file mode 100644 index 4c158ee0fe..0000000000 --- a/src/login/logind-inhibit.h +++ /dev/null @@ -1,95 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -#ifndef foologindinhibithfoo -#define foologindinhibithfoo - -/*** - This file is part of systemd. - - Copyright 2012 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -typedef struct Inhibitor Inhibitor; - -#include "list.h" -#include "util.h" - -typedef enum InhibitWhat { - INHIBIT_SHUTDOWN = 1, - INHIBIT_SLEEP = 2, - INHIBIT_IDLE = 4, - INHIBIT_HANDLE_POWER_KEY = 8, - INHIBIT_HANDLE_SUSPEND_KEY = 16, - INHIBIT_HANDLE_HIBERNATE_KEY = 32, - INHIBIT_HANDLE_LID_SWITCH = 64, - _INHIBIT_WHAT_MAX = 128, - _INHIBIT_WHAT_INVALID = -1 -} InhibitWhat; - -typedef enum InhibitMode { - INHIBIT_BLOCK, - INHIBIT_DELAY, - _INHIBIT_MODE_MAX, - _INHIBIT_MODE_INVALID = -1 -} InhibitMode; - -#include "logind.h" -#include "logind-seat.h" - -struct Inhibitor { - Manager *manager; - - char *id; - char *state_file; - - bool started; - - InhibitWhat what; - char *who; - char *why; - InhibitMode mode; - - pid_t pid; - uid_t uid; - - dual_timestamp since; - - char *fifo_path; - int fifo_fd; -}; - -Inhibitor* inhibitor_new(Manager *m, const char *id); -void inhibitor_free(Inhibitor *i); - -int inhibitor_save(Inhibitor *i); -int inhibitor_load(Inhibitor *i); - -int inhibitor_start(Inhibitor *i); -int inhibitor_stop(Inhibitor *i); - -int inhibitor_create_fifo(Inhibitor *i); -void inhibitor_remove_fifo(Inhibitor *i); - -InhibitWhat manager_inhibit_what(Manager *m, InhibitMode mm); -bool manager_is_inhibited(Manager *m, InhibitWhat w, InhibitMode mm, dual_timestamp *since, bool ignore_inactive, bool ignore_uid, uid_t uid); - -const char *inhibit_what_to_string(InhibitWhat k); -InhibitWhat inhibit_what_from_string(const char *s); - -const char *inhibit_mode_to_string(InhibitMode k); -InhibitMode inhibit_mode_from_string(const char *s); - -#endif diff --git a/src/login/logind-seat-dbus.c b/src/login/logind-seat-dbus.c deleted file mode 100644 index 7833d70a03..0000000000 --- a/src/login/logind-seat-dbus.c +++ /dev/null @@ -1,444 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2011 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <errno.h> -#include <string.h> - -#include "logind.h" -#include "logind-seat.h" -#include "dbus-common.h" -#include "util.h" - -#define BUS_SEAT_INTERFACE \ - " <interface name=\"org.freedesktop.login1.Seat\">\n" \ - " <method name=\"Terminate\"/>\n" \ - " <method name=\"ActivateSession\">\n" \ - " <arg name=\"id\" type=\"s\"/>\n" \ - " </method>\n" \ - " <property name=\"Id\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"ActiveSession\" type=\"so\" access=\"read\"/>\n" \ - " <property name=\"CanMultiSession\" type=\"b\" access=\"read\"/>\n" \ - " <property name=\"CanTTY\" type=\"b\" access=\"read\"/>\n" \ - " <property name=\"CanGraphical\" type=\"b\" access=\"read\"/>\n" \ - " <property name=\"Sessions\" type=\"a(so)\" access=\"read\"/>\n" \ - " <property name=\"IdleHint\" type=\"b\" access=\"read\"/>\n" \ - " <property name=\"IdleSinceHint\" type=\"t\" access=\"read\"/>\n" \ - " <property name=\"IdleSinceHintMonotonic\" type=\"t\" access=\"read\"/>\n" \ - " </interface>\n" \ - -#define INTROSPECTION \ - DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \ - "<node>\n" \ - BUS_SEAT_INTERFACE \ - BUS_PROPERTIES_INTERFACE \ - BUS_PEER_INTERFACE \ - BUS_INTROSPECTABLE_INTERFACE \ - "</node>\n" - -#define INTERFACES_LIST \ - BUS_GENERIC_INTERFACES_LIST \ - "org.freedesktop.login1.Seat\0" - -static int bus_seat_append_active(DBusMessageIter *i, const char *property, void *data) { - DBusMessageIter sub; - Seat *s = data; - const char *id, *path; - char *p = NULL; - - assert(i); - assert(property); - assert(s); - - if (!dbus_message_iter_open_container(i, DBUS_TYPE_STRUCT, NULL, &sub)) - return -ENOMEM; - - if (s->active) { - id = s->active->id; - path = p = session_bus_path(s->active); - - if (!p) - return -ENOMEM; - } else { - id = ""; - path = "/"; - } - - if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &id) || - !dbus_message_iter_append_basic(&sub, DBUS_TYPE_OBJECT_PATH, &path)) { - free(p); - return -ENOMEM; - } - - free(p); - - if (!dbus_message_iter_close_container(i, &sub)) - return -ENOMEM; - - return 0; -} - -static int bus_seat_append_sessions(DBusMessageIter *i, const char *property, void *data) { - DBusMessageIter sub, sub2; - Seat *s = data; - Session *session; - - assert(i); - assert(property); - assert(s); - - if (!dbus_message_iter_open_container(i, DBUS_TYPE_ARRAY, "(so)", &sub)) - return -ENOMEM; - - LIST_FOREACH(sessions_by_seat, session, s->sessions) { - char *p; - - if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) - return -ENOMEM; - - p = session_bus_path(session); - if (!p) - return -ENOMEM; - - if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &session->id) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) { - free(p); - return -ENOMEM; - } - - free(p); - - if (!dbus_message_iter_close_container(&sub, &sub2)) - return -ENOMEM; - } - - if (!dbus_message_iter_close_container(i, &sub)) - return -ENOMEM; - - return 0; -} - -static int bus_seat_append_can_multi_session(DBusMessageIter *i, const char *property, void *data) { - Seat *s = data; - dbus_bool_t b; - - assert(i); - assert(property); - assert(s); - - b = seat_can_multi_session(s); - - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b)) - return -ENOMEM; - - return 0; -} - -static int bus_seat_append_can_tty(DBusMessageIter *i, const char *property, void *data) { - Seat *s = data; - dbus_bool_t b; - - assert(i); - assert(property); - assert(s); - - b = seat_can_tty(s); - - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b)) - return -ENOMEM; - - return 0; -} - -static int bus_seat_append_can_graphical(DBusMessageIter *i, const char *property, void *data) { - Seat *s = data; - dbus_bool_t b; - - assert(i); - assert(property); - assert(s); - - b = seat_can_graphical(s); - - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b)) - return -ENOMEM; - - return 0; -} - -static int bus_seat_append_idle_hint(DBusMessageIter *i, const char *property, void *data) { - Seat *s = data; - dbus_bool_t b; - - assert(i); - assert(property); - assert(s); - - b = seat_get_idle_hint(s, NULL) > 0; - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b)) - return -ENOMEM; - - return 0; -} - -static int bus_seat_append_idle_hint_since(DBusMessageIter *i, const char *property, void *data) { - Seat *s = data; - dual_timestamp t; - uint64_t k; - - assert(i); - assert(property); - assert(s); - - seat_get_idle_hint(s, &t); - k = streq(property, "IdleSinceHint") ? t.realtime : t.monotonic; - - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT64, &k)) - return -ENOMEM; - - return 0; -} - -static int get_seat_for_path(Manager *m, const char *path, Seat **_s) { - Seat *s; - char *id; - - assert(m); - assert(path); - assert(_s); - - if (!startswith(path, "/org/freedesktop/login1/seat/")) - return -EINVAL; - - id = bus_path_unescape(path + 29); - if (!id) - return -ENOMEM; - - s = hashmap_get(m->seats, id); - free(id); - - if (!s) - return -ENOENT; - - *_s = s; - return 0; -} - -static const BusProperty bus_login_seat_properties[] = { - { "Id", bus_property_append_string, "s", offsetof(Seat, id), true }, - { "ActiveSession", bus_seat_append_active, "(so)", 0 }, - { "CanMultiSession", bus_seat_append_can_multi_session, "b", 0 }, - { "CanTTY", bus_seat_append_can_tty, "b", 0 }, - { "CanGraphical", bus_seat_append_can_graphical, "b", 0 }, - { "Sessions", bus_seat_append_sessions, "a(so)", 0 }, - { "IdleHint", bus_seat_append_idle_hint, "b", 0 }, - { "IdleSinceHint", bus_seat_append_idle_hint_since, "t", 0 }, - { "IdleSinceHintMonotonic", bus_seat_append_idle_hint_since, "t", 0 }, - { NULL, } -}; - -static DBusHandlerResult seat_message_dispatch( - Seat *s, - DBusConnection *connection, - DBusMessage *message) { - - DBusError error; - DBusMessage *reply = NULL; - int r; - - assert(s); - assert(connection); - assert(message); - - dbus_error_init(&error); - - if (dbus_message_is_method_call(message, "org.freedesktop.login1.Seat", "Terminate")) { - - r = seat_stop_sessions(s); - if (r < 0) - return bus_send_error_reply(connection, message, NULL, r); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Seat", "ActivateSession")) { - const char *name; - Session *session; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - session = hashmap_get(s->manager->sessions, name); - if (!session || session->seat != s) - return bus_send_error_reply(connection, message, &error, -ENOENT); - - r = session_activate(session); - if (r < 0) - return bus_send_error_reply(connection, message, NULL, r); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - } else { - const BusBoundProperties bps[] = { - { "org.freedesktop.login1.Seat", bus_login_seat_properties, s }, - { NULL, } - }; - return bus_default_message_handler(connection, message, INTROSPECTION, INTERFACES_LIST, bps); - } - - if (reply) { - if (!dbus_connection_send(connection, reply, NULL)) - goto oom; - - dbus_message_unref(reply); - } - - return DBUS_HANDLER_RESULT_HANDLED; - -oom: - if (reply) - dbus_message_unref(reply); - - dbus_error_free(&error); - - return DBUS_HANDLER_RESULT_NEED_MEMORY; -} - -static DBusHandlerResult seat_message_handler( - DBusConnection *connection, - DBusMessage *message, - void *userdata) { - - Manager *m = userdata; - Seat *s; - int r; - - r = get_seat_for_path(m, dbus_message_get_path(message), &s); - if (r < 0) { - - if (r == -ENOMEM) - return DBUS_HANDLER_RESULT_NEED_MEMORY; - - if (r == -ENOENT) { - DBusError e; - - dbus_error_init(&e); - dbus_set_error_const(&e, DBUS_ERROR_UNKNOWN_OBJECT, "Unknown seat"); - return bus_send_error_reply(connection, message, &e, r); - } - - return bus_send_error_reply(connection, message, NULL, r); - } - - return seat_message_dispatch(s, connection, message); -} - -const DBusObjectPathVTable bus_seat_vtable = { - .message_function = seat_message_handler -}; - -char *seat_bus_path(Seat *s) { - char *t, *r; - - assert(s); - - t = bus_path_escape(s->id); - if (!t) - return NULL; - - r = strappend("/org/freedesktop/login1/seat/", t); - free(t); - - return r; -} - -int seat_send_signal(Seat *s, bool new_seat) { - DBusMessage *m; - int r = -ENOMEM; - char *p = NULL; - - assert(s); - - m = dbus_message_new_signal("/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - new_seat ? "SeatNew" : "SeatRemoved"); - - if (!m) - return -ENOMEM; - - p = seat_bus_path(s); - if (!p) - goto finish; - - if (!dbus_message_append_args( - m, - DBUS_TYPE_STRING, &s->id, - DBUS_TYPE_OBJECT_PATH, &p, - DBUS_TYPE_INVALID)) - goto finish; - - if (!dbus_connection_send(s->manager->bus, m, NULL)) - goto finish; - - r = 0; - -finish: - dbus_message_unref(m); - free(p); - - return r; -} - -int seat_send_changed(Seat *s, const char *properties) { - DBusMessage *m; - int r = -ENOMEM; - char *p = NULL; - - assert(s); - - if (!s->started) - return 0; - - p = seat_bus_path(s); - if (!p) - return -ENOMEM; - - m = bus_properties_changed_new(p, "org.freedesktop.login1.Seat", properties); - if (!m) - goto finish; - - if (!dbus_connection_send(s->manager->bus, m, NULL)) - goto finish; - - r = 0; - -finish: - if (m) - dbus_message_unref(m); - free(p); - - return r; -} diff --git a/src/login/logind-seat.c b/src/login/logind-seat.c deleted file mode 100644 index 470d08bc05..0000000000 --- a/src/login/logind-seat.c +++ /dev/null @@ -1,543 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2011 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <assert.h> -#include <errno.h> -#include <unistd.h> -#include <fcntl.h> -#include <sys/ioctl.h> -#include <linux/vt.h> -#include <string.h> - -#include "systemd/sd-id128.h" -#include "systemd/sd-messages.h" -#include "logind-seat.h" -#include "logind-acl.h" -#include "util.h" -#include "mkdir.h" -#include "path-util.h" - -Seat *seat_new(Manager *m, const char *id) { - Seat *s; - - assert(m); - assert(id); - - s = new0(Seat, 1); - if (!s) - return NULL; - - s->state_file = strappend("/run/systemd/seats/", id); - if (!s->state_file) { - free(s); - return NULL; - } - - s->id = path_get_file_name(s->state_file); - s->manager = m; - - if (hashmap_put(m->seats, s->id, s) < 0) { - free(s->state_file); - free(s); - return NULL; - } - - return s; -} - -void seat_free(Seat *s) { - assert(s); - - if (s->in_gc_queue) - LIST_REMOVE(Seat, gc_queue, s->manager->seat_gc_queue, s); - - while (s->sessions) - session_free(s->sessions); - - assert(!s->active); - - while (s->devices) - device_free(s->devices); - - hashmap_remove(s->manager->seats, s->id); - - free(s->state_file); - free(s); -} - -int seat_save(Seat *s) { - int r; - FILE *f; - char *temp_path; - - assert(s); - - if (!s->started) - return 0; - - r = mkdir_safe_label("/run/systemd/seats", 0755, 0, 0); - if (r < 0) - goto finish; - - r = fopen_temporary(s->state_file, &f, &temp_path); - if (r < 0) - goto finish; - - fchmod(fileno(f), 0644); - - fprintf(f, - "# This is private data. Do not parse.\n" - "IS_VTCONSOLE=%i\n" - "CAN_MULTI_SESSION=%i\n" - "CAN_TTY=%i\n" - "CAN_GRAPHICAL=%i\n", - seat_is_vtconsole(s), - seat_can_multi_session(s), - seat_can_tty(s), - seat_can_graphical(s)); - - if (s->active) { - assert(s->active->user); - - fprintf(f, - "ACTIVE=%s\n" - "ACTIVE_UID=%lu\n", - s->active->id, - (unsigned long) s->active->user->uid); - } - - if (s->sessions) { - Session *i; - - fputs("SESSIONS=", f); - LIST_FOREACH(sessions_by_seat, i, s->sessions) { - fprintf(f, - "%s%c", - i->id, - i->sessions_by_seat_next ? ' ' : '\n'); - } - - fputs("UIDS=", f); - LIST_FOREACH(sessions_by_seat, i, s->sessions) - fprintf(f, - "%lu%c", - (unsigned long) i->user->uid, - i->sessions_by_seat_next ? ' ' : '\n'); - } - - fflush(f); - - if (ferror(f) || rename(temp_path, s->state_file) < 0) { - r = -errno; - unlink(s->state_file); - unlink(temp_path); - } - - fclose(f); - free(temp_path); - -finish: - if (r < 0) - log_error("Failed to save seat data for %s: %s", s->id, strerror(-r)); - - return r; -} - -int seat_load(Seat *s) { - assert(s); - - /* There isn't actually anything to read here ... */ - - return 0; -} - -static int vt_allocate(int vtnr) { - int fd, r; - char *p; - - assert(vtnr >= 1); - - if (asprintf(&p, "/dev/tty%i", vtnr) < 0) - return -ENOMEM; - - fd = open_terminal(p, O_RDWR|O_NOCTTY|O_CLOEXEC); - free(p); - - r = fd < 0 ? -errno : 0; - - if (fd >= 0) - close_nointr_nofail(fd); - - return r; -} - -int seat_preallocate_vts(Seat *s) { - int r = 0; - unsigned i; - - assert(s); - assert(s->manager); - - log_debug("Preallocating VTs..."); - - if (s->manager->n_autovts <= 0) - return 0; - - if (!seat_can_multi_session(s)) - return 0; - - for (i = 1; i <= s->manager->n_autovts; i++) { - int q; - - q = vt_allocate(i); - if (q < 0) { - log_error("Failed to preallocate VT %i: %s", i, strerror(-q)); - r = q; - } - } - - return r; -} - -int seat_apply_acls(Seat *s, Session *old_active) { - int r; - - assert(s); - - r = devnode_acl_all(s->manager->udev, - s->id, - false, - !!old_active, old_active ? old_active->user->uid : 0, - !!s->active, s->active ? s->active->user->uid : 0); - - if (r < 0) - log_error("Failed to apply ACLs: %s", strerror(-r)); - - return r; -} - -int seat_set_active(Seat *s, Session *session) { - Session *old_active; - - assert(s); - assert(!session || session->seat == s); - - if (session == s->active) - return 0; - - old_active = s->active; - s->active = session; - - seat_apply_acls(s, old_active); - - if (session && session->started) - session_send_changed(session, "Active\0"); - - if (!session || session->started) - seat_send_changed(s, "ActiveSession\0"); - - seat_save(s); - - if (session) { - session_save(session); - user_save(session->user); - } - - if (old_active) { - session_save(old_active); - if (!session || session->user != old_active->user) - user_save(old_active->user); - } - - return 0; -} - -int seat_active_vt_changed(Seat *s, int vtnr) { - Session *i, *new_active = NULL; - int r; - - assert(s); - assert(vtnr >= 1); - - if (!seat_can_multi_session(s)) - return -EINVAL; - - log_debug("VT changed to %i", vtnr); - - LIST_FOREACH(sessions_by_seat, i, s->sessions) - if (i->vtnr == vtnr) { - new_active = i; - break; - } - - r = seat_set_active(s, new_active); - manager_spawn_autovt(s->manager, vtnr); - - return r; -} - -int seat_read_active_vt(Seat *s) { - char t[64]; - ssize_t k; - int r, vtnr; - - assert(s); - - if (!seat_can_multi_session(s)) - return 0; - - lseek(s->manager->console_active_fd, SEEK_SET, 0); - - k = read(s->manager->console_active_fd, t, sizeof(t)-1); - if (k <= 0) { - log_error("Failed to read current console: %s", k < 0 ? strerror(-errno) : "EOF"); - return k < 0 ? -errno : -EIO; - } - - t[k] = 0; - truncate_nl(t); - - if (!startswith(t, "tty")) { - log_error("Hm, /sys/class/tty/tty0/active is badly formatted."); - return -EIO; - } - - r = safe_atoi(t+3, &vtnr); - if (r < 0) { - log_error("Failed to parse VT number %s", t+3); - return r; - } - - if (vtnr <= 0) { - log_error("VT number invalid: %s", t+3); - return -EIO; - } - - return seat_active_vt_changed(s, vtnr); -} - -int seat_start(Seat *s) { - assert(s); - - if (s->started) - return 0; - - log_struct(LOG_INFO, - MESSAGE_ID(SD_MESSAGE_SEAT_START), - "SEAT_ID=%s", s->id, - "MESSAGE=New seat %s.", s->id, - NULL); - - /* Initialize VT magic stuff */ - seat_preallocate_vts(s); - - /* Read current VT */ - seat_read_active_vt(s); - - s->started = true; - - /* Save seat data */ - seat_save(s); - - seat_send_signal(s, true); - - return 0; -} - -int seat_stop(Seat *s) { - int r = 0; - - assert(s); - - if (s->started) - log_struct(LOG_INFO, - MESSAGE_ID(SD_MESSAGE_SEAT_STOP), - "SEAT_ID=%s", s->id, - "MESSAGE=Removed seat %s.", s->id, - NULL); - - seat_stop_sessions(s); - - unlink(s->state_file); - seat_add_to_gc_queue(s); - - if (s->started) - seat_send_signal(s, false); - - s->started = false; - - return r; -} - -int seat_stop_sessions(Seat *s) { - Session *session; - int r = 0, k; - - assert(s); - - LIST_FOREACH(sessions_by_seat, session, s->sessions) { - k = session_stop(session); - if (k < 0) - r = k; - } - - return r; -} - -int seat_attach_session(Seat *s, Session *session) { - assert(s); - assert(session); - assert(!session->seat); - - session->seat = s; - LIST_PREPEND(Session, sessions_by_seat, s->sessions, session); - - seat_send_changed(s, "Sessions\0"); - - /* Note that even if a seat is not multi-session capable it - * still might have multiple sessions on it since old, dead - * sessions might continue to be tracked until all their - * processes are gone. The most recently added session - * (i.e. the first in s->sessions) is the one that matters. */ - - if (!seat_can_multi_session(s)) - seat_set_active(s, session); - - return 0; -} - -bool seat_is_vtconsole(Seat *s) { - assert(s); - - return s->manager->vtconsole == s; -} - -bool seat_can_multi_session(Seat *s) { - assert(s); - - if (!seat_is_vtconsole(s)) - return false; - - /* If we can't watch which VT is in the foreground, we don't - * support VT switching */ - - return s->manager->console_active_fd >= 0; -} - -bool seat_can_tty(Seat *s) { - assert(s); - - return seat_is_vtconsole(s); -} - -bool seat_can_graphical(Seat *s) { - assert(s); - - return !!s->devices; -} - -int seat_get_idle_hint(Seat *s, dual_timestamp *t) { - Session *session; - bool idle_hint = true; - dual_timestamp ts = { 0, 0 }; - - assert(s); - - LIST_FOREACH(sessions_by_seat, session, s->sessions) { - dual_timestamp k; - int ih; - - ih = session_get_idle_hint(session, &k); - if (ih < 0) - return ih; - - if (!ih) { - if (!idle_hint) { - if (k.monotonic > ts.monotonic) - ts = k; - } else { - idle_hint = false; - ts = k; - } - } else if (idle_hint) { - - if (k.monotonic > ts.monotonic) - ts = k; - } - } - - if (t) - *t = ts; - - return idle_hint; -} - -int seat_check_gc(Seat *s, bool drop_not_started) { - assert(s); - - if (drop_not_started && !s->started) - return 0; - - if (seat_is_vtconsole(s)) - return 1; - - return !!s->devices; -} - -void seat_add_to_gc_queue(Seat *s) { - assert(s); - - if (s->in_gc_queue) - return; - - LIST_PREPEND(Seat, gc_queue, s->manager->seat_gc_queue, s); - s->in_gc_queue = true; -} - -static bool seat_name_valid_char(char c) { - return - (c >= 'a' && c <= 'z') || - (c >= 'A' && c <= 'Z') || - (c >= '0' && c <= '9') || - c == '-' || - c == '_'; -} - -bool seat_name_is_valid(const char *name) { - const char *p; - - assert(name); - - if (!startswith(name, "seat")) - return false; - - if (!name[4]) - return false; - - for (p = name; *p; p++) - if (!seat_name_valid_char(*p)) - return false; - - if (strlen(name) > 255) - return false; - - return true; -} diff --git a/src/login/logind-seat.h b/src/login/logind-seat.h deleted file mode 100644 index c8ab17f7cf..0000000000 --- a/src/login/logind-seat.h +++ /dev/null @@ -1,83 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -#pragma once - -/*** - This file is part of systemd. - - Copyright 2011 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -typedef struct Seat Seat; - -#include "list.h" -#include "util.h" -#include "logind.h" -#include "logind-device.h" -#include "logind-session.h" - -struct Seat { - Manager *manager; - char *id; - - char *state_file; - - LIST_HEAD(Device, devices); - - Session *active; - LIST_HEAD(Session, sessions); - - bool in_gc_queue:1; - bool started:1; - - LIST_FIELDS(Seat, gc_queue); -}; - -Seat *seat_new(Manager *m, const char *id); -void seat_free(Seat *s); - -int seat_save(Seat *s); -int seat_load(Seat *s); - -int seat_apply_acls(Seat *s, Session *old_active); -int seat_set_active(Seat *s, Session *session); -int seat_active_vt_changed(Seat *s, int vtnr); -int seat_read_active_vt(Seat *s); -int seat_preallocate_vts(Seat *s); - -int seat_attach_session(Seat *s, Session *session); - -bool seat_is_vtconsole(Seat *s); -bool seat_can_multi_session(Seat *s); -bool seat_can_tty(Seat *s); -bool seat_can_graphical(Seat *s); - -int seat_get_idle_hint(Seat *s, dual_timestamp *t); - -int seat_start(Seat *s); -int seat_stop(Seat *s); -int seat_stop_sessions(Seat *s); - -int seat_check_gc(Seat *s, bool drop_not_started); -void seat_add_to_gc_queue(Seat *s); - -bool seat_name_is_valid(const char *name); -char *seat_bus_path(Seat *s); - -extern const DBusObjectPathVTable bus_seat_vtable; - -int seat_send_signal(Seat *s, bool new_seat); -int seat_send_changed(Seat *s, const char *properties); diff --git a/src/login/logind-session-dbus.c b/src/login/logind-session-dbus.c deleted file mode 100644 index ef73cd434a..0000000000 --- a/src/login/logind-session-dbus.c +++ /dev/null @@ -1,590 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2011 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <errno.h> -#include <string.h> - -#include "logind.h" -#include "logind-session.h" -#include "dbus-common.h" -#include "util.h" - -#define BUS_SESSION_INTERFACE \ - " <interface name=\"org.freedesktop.login1.Session\">\n" \ - " <method name=\"Terminate\"/>\n" \ - " <method name=\"Activate\"/>\n" \ - " <method name=\"Lock\"/>\n" \ - " <method name=\"Unlock\"/>\n" \ - " <method name=\"SetIdleHint\">\n" \ - " <arg name=\"b\" type=\"b\"/>\n" \ - " </method>\n" \ - " <method name=\"Kill\">\n" \ - " <arg name=\"who\" type=\"s\"/>\n" \ - " <arg name=\"signal\" type=\"s\"/>\n" \ - " </method>\n" \ - " <signal name=\"Lock\"/>\n" \ - " <signal name=\"Unlock\"/>\n" \ - " <property name=\"Id\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"User\" type=\"(uo)\" access=\"read\"/>\n" \ - " <property name=\"Name\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"Timestamp\" type=\"t\" access=\"read\"/>\n" \ - " <property name=\"TimestampMonotonic\" type=\"t\" access=\"read\"/>\n" \ - " <property name=\"DefaultControlGroup\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"VTNr\" type=\"u\" access=\"read\"/>\n" \ - " <property name=\"Seat\" type=\"(so)\" access=\"read\"/>\n" \ - " <property name=\"TTY\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"Display\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"Remote\" type=\"b\" access=\"read\"/>\n" \ - " <property name=\"RemoteHost\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"RemoteUser\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"Service\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"Leader\" type=\"u\" access=\"read\"/>\n" \ - " <property name=\"Audit\" type=\"u\" access=\"read\"/>\n" \ - " <property name=\"Type\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"Class\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"Active\" type=\"b\" access=\"read\"/>\n" \ - " <property name=\"State\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"Controllers\" type=\"as\" access=\"read\"/>\n" \ - " <property name=\"ResetControllers\" type=\"as\" access=\"read\"/>\n" \ - " <property name=\"KillProcesses\" type=\"b\" access=\"read\"/>\n" \ - " <property name=\"IdleHint\" type=\"b\" access=\"read\"/>\n" \ - " <property name=\"IdleSinceHint\" type=\"t\" access=\"read\"/>\n" \ - " <property name=\"IdleSinceHintMonotonic\" type=\"t\" access=\"read\"/>\n" \ - " </interface>\n" - -#define INTROSPECTION \ - DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \ - "<node>\n" \ - BUS_SESSION_INTERFACE \ - BUS_PROPERTIES_INTERFACE \ - BUS_PEER_INTERFACE \ - BUS_INTROSPECTABLE_INTERFACE \ - "</node>\n" - -#define INTERFACES_LIST \ - BUS_GENERIC_INTERFACES_LIST \ - "org.freedesktop.login1.Session\0" - -static int bus_session_append_seat(DBusMessageIter *i, const char *property, void *data) { - DBusMessageIter sub; - Session *s = data; - const char *id, *path; - char *p = NULL; - - assert(i); - assert(property); - assert(s); - - if (!dbus_message_iter_open_container(i, DBUS_TYPE_STRUCT, NULL, &sub)) - return -ENOMEM; - - if (s->seat) { - id = s->seat->id; - path = p = seat_bus_path(s->seat); - - if (!p) - return -ENOMEM; - } else { - id = ""; - path = "/"; - } - - if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &id) || - !dbus_message_iter_append_basic(&sub, DBUS_TYPE_OBJECT_PATH, &path)) { - free(p); - return -ENOMEM; - } - - free(p); - - if (!dbus_message_iter_close_container(i, &sub)) - return -ENOMEM; - - return 0; -} - -static int bus_session_append_user(DBusMessageIter *i, const char *property, void *data) { - DBusMessageIter sub; - User *u = data; - char *p = NULL; - - assert(i); - assert(property); - assert(u); - - if (!dbus_message_iter_open_container(i, DBUS_TYPE_STRUCT, NULL, &sub)) - return -ENOMEM; - - p = user_bus_path(u); - if (!p) - return -ENOMEM; - - if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_UINT32, &u->uid) || - !dbus_message_iter_append_basic(&sub, DBUS_TYPE_OBJECT_PATH, &p)) { - free(p); - return -ENOMEM; - } - - free(p); - - if (!dbus_message_iter_close_container(i, &sub)) - return -ENOMEM; - - return 0; -} - -static int bus_session_append_active(DBusMessageIter *i, const char *property, void *data) { - Session *s = data; - dbus_bool_t b; - - assert(i); - assert(property); - assert(s); - - b = session_is_active(s); - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b)) - return -ENOMEM; - - return 0; -} - -static int bus_session_append_idle_hint(DBusMessageIter *i, const char *property, void *data) { - Session *s = data; - int b; - - assert(i); - assert(property); - assert(s); - - b = session_get_idle_hint(s, NULL) > 0; - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b)) - return -ENOMEM; - - return 0; -} - -static int bus_session_append_idle_hint_since(DBusMessageIter *i, const char *property, void *data) { - Session *s = data; - dual_timestamp t; - uint64_t u; - int r; - - assert(i); - assert(property); - assert(s); - - r = session_get_idle_hint(s, &t); - if (r < 0) - return r; - - u = streq(property, "IdleSinceHint") ? t.realtime : t.monotonic; - - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT64, &u)) - return -ENOMEM; - - return 0; -} - -static int bus_session_append_default_cgroup(DBusMessageIter *i, const char *property, void *data) { - Session *s = data; - char *t; - int r; - bool success; - - assert(i); - assert(property); - assert(s); - - r = cg_join_spec(SYSTEMD_CGROUP_CONTROLLER, s->cgroup_path, &t); - if (r < 0) - return r; - - success = dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t); - free(t); - - return success ? 0 : -ENOMEM; -} - -static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_session_append_type, session_type, SessionType); -static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_session_append_class, session_class, SessionClass); - -static int bus_session_append_state(DBusMessageIter *i, const char *property, void *data) { - Session *s = data; - const char *state; - - assert(i); - assert(property); - assert(s); - - state = session_state_to_string(session_get_state(s)); - - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &state)) - return -ENOMEM; - - return 0; -} - -static int get_session_for_path(Manager *m, const char *path, Session **_s) { - Session *s; - char *id; - - assert(m); - assert(path); - assert(_s); - - if (!startswith(path, "/org/freedesktop/login1/session/")) - return -EINVAL; - - id = bus_path_unescape(path + 32); - if (!id) - return -ENOMEM; - - s = hashmap_get(m->sessions, id); - free(id); - - if (!s) - return -ENOENT; - - *_s = s; - return 0; -} - -static const BusProperty bus_login_session_properties[] = { - { "Id", bus_property_append_string, "s", offsetof(Session, id), true }, - { "Timestamp", bus_property_append_usec, "t", offsetof(Session, timestamp.realtime) }, - { "TimestampMonotonic", bus_property_append_usec, "t", offsetof(Session, timestamp.monotonic) }, - { "DefaultControlGroup", bus_session_append_default_cgroup, "s", 0, }, - { "VTNr", bus_property_append_uint32, "u", offsetof(Session, vtnr) }, - { "Seat", bus_session_append_seat, "(so)", 0 }, - { "TTY", bus_property_append_string, "s", offsetof(Session, tty), true }, - { "Display", bus_property_append_string, "s", offsetof(Session, display), true }, - { "Remote", bus_property_append_bool, "b", offsetof(Session, remote) }, - { "RemoteUser", bus_property_append_string, "s", offsetof(Session, remote_user), true }, - { "RemoteHost", bus_property_append_string, "s", offsetof(Session, remote_host), true }, - { "Service", bus_property_append_string, "s", offsetof(Session, service), true }, - { "Leader", bus_property_append_pid, "u", offsetof(Session, leader) }, - { "Audit", bus_property_append_uint32, "u", offsetof(Session, audit_id) }, - { "Type", bus_session_append_type, "s", offsetof(Session, type) }, - { "Class", bus_session_append_class, "s", offsetof(Session, class) }, - { "Active", bus_session_append_active, "b", 0 }, - { "State", bus_session_append_state, "s", 0 }, - { "Controllers", bus_property_append_strv, "as", offsetof(Session, controllers), true }, - { "ResetControllers", bus_property_append_strv, "as", offsetof(Session, reset_controllers), true }, - { "KillProcesses", bus_property_append_bool, "b", offsetof(Session, kill_processes) }, - { "IdleHint", bus_session_append_idle_hint, "b", 0 }, - { "IdleSinceHint", bus_session_append_idle_hint_since, "t", 0 }, - { "IdleSinceHintMonotonic", bus_session_append_idle_hint_since, "t", 0 }, - { NULL, } -}; - -static const BusProperty bus_login_session_user_properties[] = { - { "User", bus_session_append_user, "(uo)", 0 }, - { "Name", bus_property_append_string, "s", offsetof(User, name), true }, - { NULL, } -}; - -static DBusHandlerResult session_message_dispatch( - Session *s, - DBusConnection *connection, - DBusMessage *message) { - - DBusError error; - DBusMessage *reply = NULL; - int r; - - assert(s); - assert(connection); - assert(message); - - dbus_error_init(&error); - - if (dbus_message_is_method_call(message, "org.freedesktop.login1.Session", "Terminate")) { - - r = session_stop(s); - if (r < 0) - return bus_send_error_reply(connection, message, NULL, r); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Session", "Activate")) { - - r = session_activate(s); - if (r < 0) - return bus_send_error_reply(connection, message, NULL, r); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Session", "Lock") || - dbus_message_is_method_call(message, "org.freedesktop.login1.Session", "Unlock")) { - - if (session_send_lock(s, streq(dbus_message_get_member(message), "Lock")) < 0) - goto oom; - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Session", "SetIdleHint")) { - dbus_bool_t b; - unsigned long ul; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_BOOLEAN, &b, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), &error); - if (ul == (unsigned long) -1) - return bus_send_error_reply(connection, message, &error, -EIO); - - if (ul != 0 && ul != s->user->uid) - return bus_send_error_reply(connection, message, NULL, -EPERM); - - session_set_idle_hint(s, b); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Session", "Kill")) { - const char *swho; - int32_t signo; - KillWho who; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_STRING, &swho, - DBUS_TYPE_INT32, &signo, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - if (isempty(swho)) - who = KILL_ALL; - else { - who = kill_who_from_string(swho); - if (who < 0) - return bus_send_error_reply(connection, message, &error, -EINVAL); - } - - if (signo <= 0 || signo >= _NSIG) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - r = session_kill(s, who, signo); - if (r < 0) - return bus_send_error_reply(connection, message, NULL, r); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - } else { - const BusBoundProperties bps[] = { - { "org.freedesktop.login1.Session", bus_login_session_properties, s }, - { "org.freedesktop.login1.Session", bus_login_session_user_properties, s->user }, - { NULL, } - }; - return bus_default_message_handler(connection, message, INTROSPECTION, INTERFACES_LIST, bps); - } - - if (reply) { - if (!dbus_connection_send(connection, reply, NULL)) - goto oom; - - dbus_message_unref(reply); - } - - return DBUS_HANDLER_RESULT_HANDLED; - -oom: - if (reply) - dbus_message_unref(reply); - - dbus_error_free(&error); - - return DBUS_HANDLER_RESULT_NEED_MEMORY; -} - -static DBusHandlerResult session_message_handler( - DBusConnection *connection, - DBusMessage *message, - void *userdata) { - - Manager *m = userdata; - Session *s; - int r; - - r = get_session_for_path(m, dbus_message_get_path(message), &s); - if (r < 0) { - - if (r == -ENOMEM) - return DBUS_HANDLER_RESULT_NEED_MEMORY; - - if (r == -ENOENT) { - DBusError e; - - dbus_error_init(&e); - dbus_set_error_const(&e, DBUS_ERROR_UNKNOWN_OBJECT, "Unknown session"); - return bus_send_error_reply(connection, message, &e, r); - } - - return bus_send_error_reply(connection, message, NULL, r); - } - - return session_message_dispatch(s, connection, message); -} - -const DBusObjectPathVTable bus_session_vtable = { - .message_function = session_message_handler -}; - -char *session_bus_path(Session *s) { - char *t, *r; - - assert(s); - - t = bus_path_escape(s->id); - if (!t) - return NULL; - - r = strappend("/org/freedesktop/login1/session/", t); - free(t); - - return r; -} - -int session_send_signal(Session *s, bool new_session) { - DBusMessage *m; - int r = -ENOMEM; - char *p = NULL; - - assert(s); - - m = dbus_message_new_signal("/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - new_session ? "SessionNew" : "SessionRemoved"); - - if (!m) - return -ENOMEM; - - p = session_bus_path(s); - if (!p) - goto finish; - - if (!dbus_message_append_args( - m, - DBUS_TYPE_STRING, &s->id, - DBUS_TYPE_OBJECT_PATH, &p, - DBUS_TYPE_INVALID)) - goto finish; - - if (!dbus_connection_send(s->manager->bus, m, NULL)) - goto finish; - - r = 0; - -finish: - dbus_message_unref(m); - free(p); - - return r; -} - -int session_send_changed(Session *s, const char *properties) { - DBusMessage *m; - int r = -ENOMEM; - char *p = NULL; - - assert(s); - - if (!s->started) - return 0; - - p = session_bus_path(s); - if (!p) - return -ENOMEM; - - m = bus_properties_changed_new(p, "org.freedesktop.login1.Session", properties); - if (!m) - goto finish; - - if (!dbus_connection_send(s->manager->bus, m, NULL)) - goto finish; - - r = 0; - -finish: - if (m) - dbus_message_unref(m); - free(p); - - return r; -} - -int session_send_lock(Session *s, bool lock) { - DBusMessage *m; - bool b; - char *p; - - assert(s); - - p = session_bus_path(s); - if (!p) - return -ENOMEM; - - m = dbus_message_new_signal(p, "org.freedesktop.login1.Session", lock ? "Lock" : "Unlock"); - free(p); - - if (!m) - return -ENOMEM; - - b = dbus_connection_send(s->manager->bus, m, NULL); - dbus_message_unref(m); - - if (!b) - return -ENOMEM; - - return 0; -} - -int session_send_lock_all(Manager *m, bool lock) { - Session *session; - Iterator i; - int r = 0; - - assert(m); - - HASHMAP_FOREACH(session, m->sessions, i) { - int k; - - k = session_send_lock(session, lock); - if (k < 0) - r = k; - } - - return r; -} diff --git a/src/login/logind-session.c b/src/login/logind-session.c deleted file mode 100644 index 5d9401b223..0000000000 --- a/src/login/logind-session.c +++ /dev/null @@ -1,1010 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2011 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <errno.h> -#include <string.h> -#include <unistd.h> -#include <sys/epoll.h> -#include <fcntl.h> - -#include "systemd/sd-id128.h" -#include "systemd/sd-messages.h" -#include "strv.h" -#include "util.h" -#include "mkdir.h" -#include "path-util.h" -#include "cgroup-util.h" -#include "logind-session.h" - -#define IDLE_THRESHOLD_USEC (5*USEC_PER_MINUTE) - -Session* session_new(Manager *m, User *u, const char *id) { - Session *s; - - assert(m); - assert(id); - - s = new0(Session, 1); - if (!s) - return NULL; - - s->state_file = strappend("/run/systemd/sessions/", id); - if (!s->state_file) { - free(s); - return NULL; - } - - s->id = path_get_file_name(s->state_file); - - if (hashmap_put(m->sessions, s->id, s) < 0) { - free(s->state_file); - free(s); - return NULL; - } - - s->manager = m; - s->fifo_fd = -1; - s->user = u; - - LIST_PREPEND(Session, sessions_by_user, u->sessions, s); - - return s; -} - -void session_free(Session *s) { - assert(s); - - if (s->in_gc_queue) - LIST_REMOVE(Session, gc_queue, s->manager->session_gc_queue, s); - - if (s->user) { - LIST_REMOVE(Session, sessions_by_user, s->user->sessions, s); - - if (s->user->display == s) - s->user->display = NULL; - } - - if (s->seat) { - if (s->seat->active == s) - s->seat->active = NULL; - - LIST_REMOVE(Session, sessions_by_seat, s->seat->sessions, s); - } - - if (s->cgroup_path) - hashmap_remove(s->manager->session_cgroups, s->cgroup_path); - - free(s->cgroup_path); - strv_free(s->controllers); - - free(s->tty); - free(s->display); - free(s->remote_host); - free(s->remote_user); - free(s->service); - - hashmap_remove(s->manager->sessions, s->id); - session_remove_fifo(s); - - free(s->state_file); - free(s); -} - -int session_save(Session *s) { - FILE *f; - int r = 0; - char *temp_path; - - assert(s); - - if (!s->started) - return 0; - - r = mkdir_safe_label("/run/systemd/sessions", 0755, 0, 0); - if (r < 0) - goto finish; - - r = fopen_temporary(s->state_file, &f, &temp_path); - if (r < 0) - goto finish; - - assert(s->user); - - fchmod(fileno(f), 0644); - - fprintf(f, - "# This is private data. Do not parse.\n" - "UID=%lu\n" - "USER=%s\n" - "ACTIVE=%i\n" - "STATE=%s\n" - "REMOTE=%i\n" - "KILL_PROCESSES=%i\n", - (unsigned long) s->user->uid, - s->user->name, - session_is_active(s), - session_state_to_string(session_get_state(s)), - s->remote, - s->kill_processes); - - if (s->type >= 0) - fprintf(f, - "TYPE=%s\n", - session_type_to_string(s->type)); - - if (s->class >= 0) - fprintf(f, - "CLASS=%s\n", - session_class_to_string(s->class)); - - if (s->cgroup_path) - fprintf(f, - "CGROUP=%s\n", - s->cgroup_path); - - if (s->fifo_path) - fprintf(f, - "FIFO=%s\n", - s->fifo_path); - - if (s->seat) - fprintf(f, - "SEAT=%s\n", - s->seat->id); - - if (s->tty) - fprintf(f, - "TTY=%s\n", - s->tty); - - if (s->display) - fprintf(f, - "DISPLAY=%s\n", - s->display); - - if (s->remote_host) - fprintf(f, - "REMOTE_HOST=%s\n", - s->remote_host); - - if (s->remote_user) - fprintf(f, - "REMOTE_USER=%s\n", - s->remote_user); - - if (s->service) - fprintf(f, - "SERVICE=%s\n", - s->service); - - if (s->seat && seat_can_multi_session(s->seat)) - fprintf(f, - "VTNR=%i\n", - s->vtnr); - - if (s->leader > 0) - fprintf(f, - "LEADER=%lu\n", - (unsigned long) s->leader); - - if (s->audit_id > 0) - fprintf(f, - "AUDIT=%llu\n", - (unsigned long long) s->audit_id); - - fflush(f); - - if (ferror(f) || rename(temp_path, s->state_file) < 0) { - r = -errno; - unlink(s->state_file); - unlink(temp_path); - } - - fclose(f); - free(temp_path); - -finish: - if (r < 0) - log_error("Failed to save session data for %s: %s", s->id, strerror(-r)); - - return r; -} - -int session_load(Session *s) { - char *remote = NULL, - *kill_processes = NULL, - *seat = NULL, - *vtnr = NULL, - *leader = NULL, - *audit_id = NULL, - *type = NULL, - *class = NULL; - - int k, r; - - assert(s); - - r = parse_env_file(s->state_file, NEWLINE, - "REMOTE", &remote, - "KILL_PROCESSES", &kill_processes, - "CGROUP", &s->cgroup_path, - "FIFO", &s->fifo_path, - "SEAT", &seat, - "TTY", &s->tty, - "DISPLAY", &s->display, - "REMOTE_HOST", &s->remote_host, - "REMOTE_USER", &s->remote_user, - "SERVICE", &s->service, - "VTNR", &vtnr, - "LEADER", &leader, - "TYPE", &type, - "CLASS", &class, - NULL); - - if (r < 0) - goto finish; - - if (remote) { - k = parse_boolean(remote); - if (k >= 0) - s->remote = k; - } - - if (kill_processes) { - k = parse_boolean(kill_processes); - if (k >= 0) - s->kill_processes = k; - } - - if (seat && !s->seat) { - Seat *o; - - o = hashmap_get(s->manager->seats, seat); - if (o) - seat_attach_session(o, s); - } - - if (vtnr && s->seat && seat_can_multi_session(s->seat)) { - int v; - - k = safe_atoi(vtnr, &v); - if (k >= 0 && v >= 1) - s->vtnr = v; - } - - if (leader) { - k = parse_pid(leader, &s->leader); - if (k >= 0) - audit_session_from_pid(s->leader, &s->audit_id); - } - - if (type) { - SessionType t; - - t = session_type_from_string(type); - if (t >= 0) - s->type = t; - } - - if (class) { - SessionClass c; - - c = session_class_from_string(class); - if (c >= 0) - s->class = c; - } - - if (s->fifo_path) { - int fd; - - /* If we open an unopened pipe for reading we will not - get an EOF. to trigger an EOF we hence open it for - reading, but close it right-away which then will - trigger the EOF. */ - - fd = session_create_fifo(s); - if (fd >= 0) - close_nointr_nofail(fd); - } - -finish: - free(remote); - free(kill_processes); - free(seat); - free(vtnr); - free(leader); - free(audit_id); - free(class); - - return r; -} - -int session_activate(Session *s) { - int r; - - assert(s); - - if (s->vtnr < 0) - return -ENOTSUP; - - if (!s->seat) - return -ENOTSUP; - - if (s->seat->active == s) - return 0; - - assert(seat_is_vtconsole(s->seat)); - - r = chvt(s->vtnr); - if (r < 0) - return r; - - return seat_set_active(s->seat, s); -} - -static int session_link_x11_socket(Session *s) { - char *t, *f, *c; - size_t k; - - assert(s); - assert(s->user); - assert(s->user->runtime_path); - - if (s->user->display) - return 0; - - if (!s->display || !display_is_local(s->display)) - return 0; - - k = strspn(s->display+1, "0123456789"); - f = new(char, sizeof("/tmp/.X11-unix/X") + k); - if (!f) - return log_oom(); - - c = stpcpy(f, "/tmp/.X11-unix/X"); - memcpy(c, s->display+1, k); - c[k] = 0; - - if (access(f, F_OK) < 0) { - log_warning("Session %s has display %s with non-existing socket %s.", s->id, s->display, f); - free(f); - return -ENOENT; - } - - /* Note that this cannot be in a subdir to avoid - * vulnerabilities since we are privileged but the runtime - * path is owned by the user */ - - t = strappend(s->user->runtime_path, "/X11-display"); - if (!t) { - free(f); - return log_oom(); - } - - if (link(f, t) < 0) { - if (errno == EEXIST) { - unlink(t); - - if (link(f, t) >= 0) - goto done; - } - - if (symlink(f, t) < 0) { - - if (errno == EEXIST) { - unlink(t); - - if (symlink(f, t) >= 0) - goto done; - } - - log_error("Failed to link %s to %s: %m", f, t); - free(f); - free(t); - return -errno; - } - } - -done: - log_info("Linked %s to %s.", f, t); - free(f); - free(t); - - s->user->display = s; - - return 0; -} - -static int session_create_one_group(Session *s, const char *controller, const char *path) { - int r; - - assert(s); - assert(controller); - assert(path); - - if (s->leader > 0) { - r = cg_create_and_attach(controller, path, s->leader); - if (r < 0) - r = cg_create(controller, path); - } else - r = cg_create(controller, path); - - if (r < 0) - return r; - - r = cg_set_task_access(controller, path, 0644, s->user->uid, s->user->gid, -1); - if (r >= 0) - r = cg_set_group_access(controller, path, 0755, s->user->uid, s->user->gid); - - return r; -} - -static int session_create_cgroup(Session *s) { - char **k; - char *p; - int r; - - assert(s); - assert(s->user); - assert(s->user->cgroup_path); - - if (!s->cgroup_path) { - if (asprintf(&p, "%s/%s", s->user->cgroup_path, s->id) < 0) - return log_oom(); - } else - p = s->cgroup_path; - - r = session_create_one_group(s, SYSTEMD_CGROUP_CONTROLLER, p); - if (r < 0) { - log_error("Failed to create "SYSTEMD_CGROUP_CONTROLLER":%s: %s", p, strerror(-r)); - free(p); - s->cgroup_path = NULL; - return r; - } - - s->cgroup_path = p; - - STRV_FOREACH(k, s->controllers) { - - if (strv_contains(s->reset_controllers, *k)) - continue; - - r = session_create_one_group(s, *k, p); - if (r < 0) - log_warning("Failed to create %s:%s: %s", *k, p, strerror(-r)); - } - - STRV_FOREACH(k, s->manager->controllers) { - - if (strv_contains(s->reset_controllers, *k) || - strv_contains(s->manager->reset_controllers, *k) || - strv_contains(s->controllers, *k)) - continue; - - r = session_create_one_group(s, *k, p); - if (r < 0) - log_warning("Failed to create %s:%s: %s", *k, p, strerror(-r)); - } - - if (s->leader > 0) { - - STRV_FOREACH(k, s->reset_controllers) { - r = cg_attach(*k, "/", s->leader); - if (r < 0) - log_warning("Failed to reset controller %s: %s", *k, strerror(-r)); - - } - - STRV_FOREACH(k, s->manager->reset_controllers) { - - if (strv_contains(s->reset_controllers, *k) || - strv_contains(s->controllers, *k)) - continue; - - r = cg_attach(*k, "/", s->leader); - if (r < 0) - log_warning("Failed to reset controller %s: %s", *k, strerror(-r)); - - } - } - - r = hashmap_put(s->manager->session_cgroups, s->cgroup_path, s); - if (r < 0) - log_warning("Failed to create mapping between cgroup and session"); - - return 0; -} - -int session_start(Session *s) { - int r; - - assert(s); - assert(s->user); - - if (s->started) - return 0; - - r = user_start(s->user); - if (r < 0) - return r; - - log_struct(s->type == SESSION_TTY || s->type == SESSION_X11 ? LOG_INFO : LOG_DEBUG, - MESSAGE_ID(SD_MESSAGE_SESSION_START), - "SESSION_ID=%s", s->id, - "USER_ID=%s", s->user->name, - "LEADER=%lu", (unsigned long) s->leader, - "MESSAGE=New session %s of user %s.", s->id, s->user->name, - NULL); - - /* Create cgroup */ - r = session_create_cgroup(s); - if (r < 0) - return r; - - /* Create X11 symlink */ - session_link_x11_socket(s); - - dual_timestamp_get(&s->timestamp); - - if (s->seat) - seat_read_active_vt(s->seat); - - s->started = true; - - /* Save session data */ - session_save(s); - user_save(s->user); - - session_send_signal(s, true); - - if (s->seat) { - seat_save(s->seat); - - if (s->seat->active == s) - seat_send_changed(s->seat, "Sessions\0ActiveSession\0"); - else - seat_send_changed(s->seat, "Sessions\0"); - } - - user_send_changed(s->user, "Sessions\0"); - - return 0; -} - -static bool session_shall_kill(Session *s) { - assert(s); - - if (!s->kill_processes) - return false; - - if (strv_contains(s->manager->kill_exclude_users, s->user->name)) - return false; - - if (strv_isempty(s->manager->kill_only_users)) - return true; - - return strv_contains(s->manager->kill_only_users, s->user->name); -} - -static int session_terminate_cgroup(Session *s) { - int r; - char **k; - - assert(s); - - if (!s->cgroup_path) - return 0; - - cg_trim(SYSTEMD_CGROUP_CONTROLLER, s->cgroup_path, false); - - if (session_shall_kill(s)) { - - r = cg_kill_recursive_and_wait(SYSTEMD_CGROUP_CONTROLLER, s->cgroup_path, true); - if (r < 0) - log_error("Failed to kill session cgroup: %s", strerror(-r)); - - } else { - if (s->leader > 0) { - Session *t; - - /* We still send a HUP to the leader process, - * even if we are not supposed to kill the - * whole cgroup. But let's first check the - * leader still exists and belongs to our - * session... */ - - r = manager_get_session_by_pid(s->manager, s->leader, &t); - if (r > 0 && t == s) { - kill(s->leader, SIGTERM); /* for normal processes */ - kill(s->leader, SIGHUP); /* for shells */ - kill(s->leader, SIGCONT); /* in case they are stopped */ - } - } - - r = cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, s->cgroup_path, true); - if (r < 0) - log_error("Failed to check session cgroup: %s", strerror(-r)); - else if (r > 0) { - r = cg_delete(SYSTEMD_CGROUP_CONTROLLER, s->cgroup_path); - if (r < 0) - log_error("Failed to delete session cgroup: %s", strerror(-r)); - } - } - - STRV_FOREACH(k, s->user->manager->controllers) - cg_trim(*k, s->cgroup_path, true); - - hashmap_remove(s->manager->session_cgroups, s->cgroup_path); - - free(s->cgroup_path); - s->cgroup_path = NULL; - - return 0; -} - -static int session_unlink_x11_socket(Session *s) { - char *t; - int r; - - assert(s); - assert(s->user); - - if (s->user->display != s) - return 0; - - s->user->display = NULL; - - t = strappend(s->user->runtime_path, "/X11-display"); - if (!t) - return log_oom(); - - r = unlink(t); - free(t); - - return r < 0 ? -errno : 0; -} - -int session_stop(Session *s) { - int r = 0, k; - - assert(s); - - if (s->started) - log_struct(s->type == SESSION_TTY || s->type == SESSION_X11 ? LOG_INFO : LOG_DEBUG, - MESSAGE_ID(SD_MESSAGE_SESSION_STOP), - "SESSION_ID=%s", s->id, - "USER_ID=%s", s->user->name, - "LEADER=%lu", (unsigned long) s->leader, - "MESSAGE=Removed session %s.", s->id, - NULL); - - /* Kill cgroup */ - k = session_terminate_cgroup(s); - if (k < 0) - r = k; - - /* Remove X11 symlink */ - session_unlink_x11_socket(s); - - unlink(s->state_file); - session_add_to_gc_queue(s); - user_add_to_gc_queue(s->user); - - if (s->started) - session_send_signal(s, false); - - if (s->seat) { - if (s->seat->active == s) - seat_set_active(s->seat, NULL); - - seat_send_changed(s->seat, "Sessions\0"); - seat_save(s->seat); - } - - user_send_changed(s->user, "Sessions\0"); - user_save(s->user); - - s->started = false; - - return r; -} - -bool session_is_active(Session *s) { - assert(s); - - if (!s->seat) - return true; - - return s->seat->active == s; -} - -int session_get_idle_hint(Session *s, dual_timestamp *t) { - char *p; - struct stat st; - usec_t u, n; - int k; - - assert(s); - - if (s->idle_hint) { - if (t) - *t = s->idle_hint_timestamp; - - return s->idle_hint; - } - - if (isempty(s->tty)) - goto dont_know; - - if (s->tty[0] != '/') { - p = strappend("/dev/", s->tty); - if (!p) - return -ENOMEM; - } else - p = NULL; - - if (!startswith(p ? p : s->tty, "/dev/")) { - free(p); - goto dont_know; - } - - k = lstat(p ? p : s->tty, &st); - free(p); - - if (k < 0) - goto dont_know; - - u = timespec_load(&st.st_atim); - n = now(CLOCK_REALTIME); - - if (t) - dual_timestamp_from_realtime(t, u); - - return u + IDLE_THRESHOLD_USEC < n; - -dont_know: - if (t) - *t = s->idle_hint_timestamp; - - return 0; -} - -void session_set_idle_hint(Session *s, bool b) { - assert(s); - - if (s->idle_hint == b) - return; - - s->idle_hint = b; - dual_timestamp_get(&s->idle_hint_timestamp); - - session_send_changed(s, - "IdleHint\0" - "IdleSinceHint\0" - "IdleSinceHintMonotonic\0"); - - if (s->seat) - seat_send_changed(s->seat, - "IdleHint\0" - "IdleSinceHint\0" - "IdleSinceHintMonotonic\0"); - - user_send_changed(s->user, - "IdleHint\0" - "IdleSinceHint\0" - "IdleSinceHintMonotonic\0"); - - manager_send_changed(s->manager, - "IdleHint\0" - "IdleSinceHint\0" - "IdleSinceHintMonotonic\0"); -} - -int session_create_fifo(Session *s) { - int r; - - assert(s); - - /* Create FIFO */ - if (!s->fifo_path) { - r = mkdir_safe_label("/run/systemd/sessions", 0755, 0, 0); - if (r < 0) - return r; - - if (asprintf(&s->fifo_path, "/run/systemd/sessions/%s.ref", s->id) < 0) - return -ENOMEM; - - if (mkfifo(s->fifo_path, 0600) < 0 && errno != EEXIST) - return -errno; - } - - /* Open reading side */ - if (s->fifo_fd < 0) { - struct epoll_event ev; - - s->fifo_fd = open(s->fifo_path, O_RDONLY|O_CLOEXEC|O_NDELAY); - if (s->fifo_fd < 0) - return -errno; - - r = hashmap_put(s->manager->session_fds, INT_TO_PTR(s->fifo_fd + 1), s); - if (r < 0) - return r; - - zero(ev); - ev.events = 0; - ev.data.u32 = FD_OTHER_BASE + s->fifo_fd; - - if (epoll_ctl(s->manager->epoll_fd, EPOLL_CTL_ADD, s->fifo_fd, &ev) < 0) - return -errno; - } - - /* Open writing side */ - r = open(s->fifo_path, O_WRONLY|O_CLOEXEC|O_NDELAY); - if (r < 0) - return -errno; - - return r; -} - -void session_remove_fifo(Session *s) { - assert(s); - - if (s->fifo_fd >= 0) { - assert_se(hashmap_remove(s->manager->session_fds, INT_TO_PTR(s->fifo_fd + 1)) == s); - assert_se(epoll_ctl(s->manager->epoll_fd, EPOLL_CTL_DEL, s->fifo_fd, NULL) == 0); - close_nointr_nofail(s->fifo_fd); - s->fifo_fd = -1; - - session_save(s); - user_save(s->user); - } - - if (s->fifo_path) { - unlink(s->fifo_path); - free(s->fifo_path); - s->fifo_path = NULL; - } -} - -int session_check_gc(Session *s, bool drop_not_started) { - int r; - - assert(s); - - if (drop_not_started && !s->started) - return 0; - - if (s->fifo_fd >= 0) { - - r = pipe_eof(s->fifo_fd); - if (r < 0) - return r; - - if (r == 0) - return 1; - } - - if (s->cgroup_path) { - - r = cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, s->cgroup_path, false); - if (r < 0) - return r; - - if (r <= 0) - return 1; - } - - return 0; -} - -void session_add_to_gc_queue(Session *s) { - assert(s); - - if (s->in_gc_queue) - return; - - LIST_PREPEND(Session, gc_queue, s->manager->session_gc_queue, s); - s->in_gc_queue = true; -} - -SessionState session_get_state(Session *s) { - assert(s); - - if (s->fifo_fd < 0) - return SESSION_CLOSING; - - if (session_is_active(s)) - return SESSION_ACTIVE; - - return SESSION_ONLINE; -} - -int session_kill(Session *s, KillWho who, int signo) { - int r = 0; - Set *pid_set = NULL; - - assert(s); - - if (!s->cgroup_path) - return -ESRCH; - - if (s->leader <= 0 && who == KILL_LEADER) - return -ESRCH; - - if (s->leader > 0) - if (kill(s->leader, signo) < 0) - r = -errno; - - if (who == KILL_ALL) { - int q; - - pid_set = set_new(trivial_hash_func, trivial_compare_func); - if (!pid_set) - return -ENOMEM; - - if (s->leader > 0) { - q = set_put(pid_set, LONG_TO_PTR(s->leader)); - if (q < 0) - r = q; - } - - q = cg_kill_recursive(SYSTEMD_CGROUP_CONTROLLER, s->cgroup_path, signo, false, true, false, pid_set); - if (q < 0) - if (q != -EAGAIN && q != -ESRCH && q != -ENOENT) - r = q; - } - - if (pid_set) - set_free(pid_set); - - return r; -} - -static const char* const session_state_table[_SESSION_TYPE_MAX] = { - [SESSION_ONLINE] = "online", - [SESSION_ACTIVE] = "active", - [SESSION_CLOSING] = "closing" -}; - -DEFINE_STRING_TABLE_LOOKUP(session_state, SessionState); - -static const char* const session_type_table[_SESSION_TYPE_MAX] = { - [SESSION_TTY] = "tty", - [SESSION_X11] = "x11", - [SESSION_UNSPECIFIED] = "unspecified" -}; - -DEFINE_STRING_TABLE_LOOKUP(session_type, SessionType); - -static const char* const session_class_table[_SESSION_CLASS_MAX] = { - [SESSION_USER] = "user", - [SESSION_GREETER] = "greeter", - [SESSION_LOCK_SCREEN] = "lock-screen" -}; - -DEFINE_STRING_TABLE_LOOKUP(session_class, SessionClass); - -static const char* const kill_who_table[_KILL_WHO_MAX] = { - [KILL_LEADER] = "leader", - [KILL_ALL] = "all" -}; - -DEFINE_STRING_TABLE_LOOKUP(kill_who, KillWho); diff --git a/src/login/logind-session.h b/src/login/logind-session.h deleted file mode 100644 index 7598afa618..0000000000 --- a/src/login/logind-session.h +++ /dev/null @@ -1,147 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -#pragma once - -/*** - This file is part of systemd. - - Copyright 2011 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -typedef struct Session Session; - -#include "list.h" -#include "util.h" -#include "logind.h" -#include "logind-seat.h" -#include "logind-user.h" - -typedef enum SessionState { - SESSION_ONLINE, /* Logged in */ - SESSION_ACTIVE, /* Logged in and in the fg */ - SESSION_CLOSING, /* Logged out, but processes still remain */ - _SESSION_STATE_MAX, - _SESSION_STATE_INVALID = -1 -} SessionState; - -typedef enum SessionType { - SESSION_UNSPECIFIED, - SESSION_TTY, - SESSION_X11, - _SESSION_TYPE_MAX, - _SESSION_TYPE_INVALID = -1 -} SessionType; - -typedef enum SessionClass { - SESSION_USER, - SESSION_GREETER, - SESSION_LOCK_SCREEN, - _SESSION_CLASS_MAX, - _SESSION_CLASS_INVALID = -1 -} SessionClass; - -typedef enum KillWho { - KILL_LEADER, - KILL_ALL, - _KILL_WHO_MAX, - _KILL_WHO_INVALID = -1 -} KillWho; - -struct Session { - Manager *manager; - - char *id; - SessionType type; - SessionClass class; - - char *state_file; - - User *user; - - dual_timestamp timestamp; - - char *tty; - char *display; - - bool remote; - char *remote_user; - char *remote_host; - - char *service; - - int vtnr; - Seat *seat; - - pid_t leader; - uint32_t audit_id; - - int fifo_fd; - char *fifo_path; - - char *cgroup_path; - char **controllers, **reset_controllers; - - bool idle_hint; - dual_timestamp idle_hint_timestamp; - - bool kill_processes; - bool in_gc_queue:1; - bool started:1; - - LIST_FIELDS(Session, sessions_by_user); - LIST_FIELDS(Session, sessions_by_seat); - - LIST_FIELDS(Session, gc_queue); -}; - -Session *session_new(Manager *m, User *u, const char *id); -void session_free(Session *s); -int session_check_gc(Session *s, bool drop_not_started); -void session_add_to_gc_queue(Session *s); -int session_activate(Session *s); -bool session_is_active(Session *s); -int session_get_idle_hint(Session *s, dual_timestamp *t); -void session_set_idle_hint(Session *s, bool b); -int session_create_fifo(Session *s); -void session_remove_fifo(Session *s); -int session_start(Session *s); -int session_stop(Session *s); -int session_save(Session *s); -int session_load(Session *s); -int session_kill(Session *s, KillWho who, int signo); - -char *session_bus_path(Session *s); - -SessionState session_get_state(Session *u); - -extern const DBusObjectPathVTable bus_session_vtable; - -int session_send_signal(Session *s, bool new_session); -int session_send_changed(Session *s, const char *properties); -int session_send_lock(Session *s, bool lock); -int session_send_lock_all(Manager *m, bool lock); - -const char* session_state_to_string(SessionState t); -SessionState session_state_from_string(const char *s); - -const char* session_type_to_string(SessionType t); -SessionType session_type_from_string(const char *s); - -const char* session_class_to_string(SessionClass t); -SessionClass session_class_from_string(const char *s); - -const char *kill_who_to_string(KillWho k); -KillWho kill_who_from_string(const char *s); diff --git a/src/login/logind-user-dbus.c b/src/login/logind-user-dbus.c deleted file mode 100644 index ddf9d9d5cf..0000000000 --- a/src/login/logind-user-dbus.c +++ /dev/null @@ -1,437 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2011 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <errno.h> -#include <string.h> - -#include "logind.h" -#include "logind-user.h" -#include "dbus-common.h" - -#define BUS_USER_INTERFACE \ - " <interface name=\"org.freedesktop.login1.User\">\n" \ - " <method name=\"Terminate\"/>\n" \ - " <method name=\"Kill\">\n" \ - " <arg name=\"signal\" type=\"s\"/>\n" \ - " </method>\n" \ - " <property name=\"UID\" type=\"u\" access=\"read\"/>\n" \ - " <property name=\"GID\" type=\"u\" access=\"read\"/>\n" \ - " <property name=\"Name\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"Timestamp\" type=\"t\" access=\"read\"/>\n" \ - " <property name=\"TimestampMonotonic\" type=\"t\" access=\"read\"/>\n" \ - " <property name=\"RuntimePath\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"DefaultControlGroup\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"Service\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"Display\" type=\"(so)\" access=\"read\"/>\n" \ - " <property name=\"State\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"Sessions\" type=\"a(so)\" access=\"read\"/>\n" \ - " <property name=\"IdleHint\" type=\"b\" access=\"read\"/>\n" \ - " <property name=\"IdleSinceHint\" type=\"t\" access=\"read\"/>\n" \ - " <property name=\"IdleSinceHintMonotonic\" type=\"t\" access=\"read\"/>\n" \ - " </interface>\n" \ - -#define INTROSPECTION \ - DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \ - "<node>\n" \ - BUS_USER_INTERFACE \ - BUS_PROPERTIES_INTERFACE \ - BUS_PEER_INTERFACE \ - BUS_INTROSPECTABLE_INTERFACE \ - "</node>\n" - -#define INTERFACES_LIST \ - BUS_GENERIC_INTERFACES_LIST \ - "org.freedesktop.login1.User\0" - -static int bus_user_append_display(DBusMessageIter *i, const char *property, void *data) { - DBusMessageIter sub; - User *u = data; - const char *id, *path; - char *p = NULL; - - assert(i); - assert(property); - assert(u); - - if (!dbus_message_iter_open_container(i, DBUS_TYPE_STRUCT, NULL, &sub)) - return -ENOMEM; - - if (u->display) { - id = u->display->id; - path = p = session_bus_path(u->display); - - if (!p) - return -ENOMEM; - } else { - id = ""; - path = "/"; - } - - if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &id) || - !dbus_message_iter_append_basic(&sub, DBUS_TYPE_OBJECT_PATH, &path)) { - free(p); - return -ENOMEM; - } - - free(p); - - if (!dbus_message_iter_close_container(i, &sub)) - return -ENOMEM; - - return 0; -} - -static int bus_user_append_state(DBusMessageIter *i, const char *property, void *data) { - User *u = data; - const char *state; - - assert(i); - assert(property); - assert(u); - - state = user_state_to_string(user_get_state(u)); - - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &state)) - return -ENOMEM; - - return 0; -} - -static int bus_user_append_sessions(DBusMessageIter *i, const char *property, void *data) { - DBusMessageIter sub, sub2; - User *u = data; - Session *session; - - assert(i); - assert(property); - assert(u); - - if (!dbus_message_iter_open_container(i, DBUS_TYPE_ARRAY, "(so)", &sub)) - return -ENOMEM; - - LIST_FOREACH(sessions_by_user, session, u->sessions) { - char *p; - - if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) - return -ENOMEM; - - p = session_bus_path(session); - if (!p) - return -ENOMEM; - - if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &session->id) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) { - free(p); - return -ENOMEM; - } - - free(p); - - if (!dbus_message_iter_close_container(&sub, &sub2)) - return -ENOMEM; - } - - if (!dbus_message_iter_close_container(i, &sub)) - return -ENOMEM; - - return 0; -} - -static int bus_user_append_idle_hint(DBusMessageIter *i, const char *property, void *data) { - User *u = data; - dbus_bool_t b; - - assert(i); - assert(property); - assert(u); - - b = user_get_idle_hint(u, NULL) > 0; - - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b)) - return -ENOMEM; - - return 0; -} - -static int bus_user_append_idle_hint_since(DBusMessageIter *i, const char *property, void *data) { - User *u = data; - dual_timestamp t; - uint64_t k; - - assert(i); - assert(property); - assert(u); - - user_get_idle_hint(u, &t); - k = streq(property, "IdleSinceHint") ? t.realtime : t.monotonic; - - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT64, &k)) - return -ENOMEM; - - return 0; -} - -static int bus_user_append_default_cgroup(DBusMessageIter *i, const char *property, void *data) { - User *u = data; - char *t; - int r; - bool success; - - assert(i); - assert(property); - assert(u); - - r = cg_join_spec(SYSTEMD_CGROUP_CONTROLLER, u->cgroup_path, &t); - if (r < 0) - return r; - - success = dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t); - free(t); - - return success ? 0 : -ENOMEM; -} - -static int get_user_for_path(Manager *m, const char *path, User **_u) { - User *u; - unsigned long lu; - int r; - - assert(m); - assert(path); - assert(_u); - - if (!startswith(path, "/org/freedesktop/login1/user/")) - return -EINVAL; - - r = safe_atolu(path + 29, &lu); - if (r < 0) - return r; - - u = hashmap_get(m->users, ULONG_TO_PTR(lu)); - if (!u) - return -ENOENT; - - *_u = u; - return 0; -} - -static const BusProperty bus_login_user_properties[] = { - { "UID", bus_property_append_uid, "u", offsetof(User, uid) }, - { "GID", bus_property_append_gid, "u", offsetof(User, gid) }, - { "Name", bus_property_append_string, "s", offsetof(User, name), true }, - { "Timestamp", bus_property_append_usec, "t", offsetof(User, timestamp.realtime) }, - { "TimestampMonotonic", bus_property_append_usec, "t", offsetof(User, timestamp.monotonic) }, - { "RuntimePath", bus_property_append_string, "s", offsetof(User, runtime_path), true }, - { "DefaultControlGroup", bus_user_append_default_cgroup, "s", 0 }, - { "Service", bus_property_append_string, "s", offsetof(User, service), true }, - { "Display", bus_user_append_display, "(so)", 0 }, - { "State", bus_user_append_state, "s", 0 }, - { "Sessions", bus_user_append_sessions, "a(so)", 0 }, - { "IdleHint", bus_user_append_idle_hint, "b", 0 }, - { "IdleSinceHint", bus_user_append_idle_hint_since, "t", 0 }, - { "IdleSinceHintMonotonic", bus_user_append_idle_hint_since, "t", 0 }, - { NULL, } -}; - -static DBusHandlerResult user_message_dispatch( - User *u, - DBusConnection *connection, - DBusMessage *message) { - - DBusError error; - DBusMessage *reply = NULL; - int r; - - assert(u); - assert(connection); - assert(message); - - if (dbus_message_is_method_call(message, "org.freedesktop.login1.User", "Terminate")) { - - r = user_stop(u); - if (r < 0) - return bus_send_error_reply(connection, message, NULL, r); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.User", "Kill")) { - int32_t signo; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_INT32, &signo, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - if (signo <= 0 || signo >= _NSIG) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - r = user_kill(u, signo); - if (r < 0) - return bus_send_error_reply(connection, message, NULL, r); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - } else { - const BusBoundProperties bps[] = { - { "org.freedesktop.login1.User", bus_login_user_properties, u }, - { NULL, } - }; - - return bus_default_message_handler(connection, message, INTROSPECTION, INTERFACES_LIST, bps); - } - - if (reply) { - if (!dbus_connection_send(connection, reply, NULL)) - goto oom; - - dbus_message_unref(reply); - } - - return DBUS_HANDLER_RESULT_HANDLED; - -oom: - if (reply) - dbus_message_unref(reply); - - dbus_error_free(&error); - - return DBUS_HANDLER_RESULT_NEED_MEMORY; -} - -static DBusHandlerResult user_message_handler( - DBusConnection *connection, - DBusMessage *message, - void *userdata) { - - Manager *m = userdata; - User *u; - int r; - - r = get_user_for_path(m, dbus_message_get_path(message), &u); - if (r < 0) { - - if (r == -ENOMEM) - return DBUS_HANDLER_RESULT_NEED_MEMORY; - - if (r == -ENOENT) { - DBusError e; - - dbus_error_init(&e); - dbus_set_error_const(&e, DBUS_ERROR_UNKNOWN_OBJECT, "Unknown user"); - return bus_send_error_reply(connection, message, &e, r); - } - - return bus_send_error_reply(connection, message, NULL, r); - } - - return user_message_dispatch(u, connection, message); -} - -const DBusObjectPathVTable bus_user_vtable = { - .message_function = user_message_handler -}; - -char *user_bus_path(User *u) { - char *s; - - assert(u); - - if (asprintf(&s, "/org/freedesktop/login1/user/%llu", (unsigned long long) u->uid) < 0) - return NULL; - - return s; -} - -int user_send_signal(User *u, bool new_user) { - DBusMessage *m; - int r = -ENOMEM; - char *p = NULL; - uint32_t uid; - - assert(u); - - m = dbus_message_new_signal("/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - new_user ? "UserNew" : "UserRemoved"); - - if (!m) - return -ENOMEM; - - p = user_bus_path(u); - if (!p) - goto finish; - - uid = u->uid; - - if (!dbus_message_append_args( - m, - DBUS_TYPE_UINT32, &uid, - DBUS_TYPE_OBJECT_PATH, &p, - DBUS_TYPE_INVALID)) - goto finish; - - if (!dbus_connection_send(u->manager->bus, m, NULL)) - goto finish; - - r = 0; - -finish: - dbus_message_unref(m); - free(p); - - return r; -} - -int user_send_changed(User *u, const char *properties) { - DBusMessage *m; - int r = -ENOMEM; - char *p = NULL; - - assert(u); - - if (!u->started) - return 0; - - p = user_bus_path(u); - if (!p) - return -ENOMEM; - - m = bus_properties_changed_new(p, "org.freedesktop.login1.User", properties); - if (!m) - goto finish; - - if (!dbus_connection_send(u->manager->bus, m, NULL)) - goto finish; - - r = 0; - -finish: - if (m) - dbus_message_unref(m); - free(p); - - return r; -} diff --git a/src/login/logind-user.c b/src/login/logind-user.c deleted file mode 100644 index b692b533e2..0000000000 --- a/src/login/logind-user.c +++ /dev/null @@ -1,656 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2011 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <string.h> -#include <unistd.h> -#include <errno.h> - -#include "logind-user.h" -#include "util.h" -#include "mkdir.h" -#include "cgroup-util.h" -#include "hashmap.h" -#include "strv.h" - -User* user_new(Manager *m, uid_t uid, gid_t gid, const char *name) { - User *u; - - assert(m); - assert(name); - - u = new0(User, 1); - if (!u) - return NULL; - - u->name = strdup(name); - if (!u->name) { - free(u); - return NULL; - } - - if (asprintf(&u->state_file, "/run/systemd/users/%lu", (unsigned long) uid) < 0) { - free(u->name); - free(u); - return NULL; - } - - if (hashmap_put(m->users, ULONG_TO_PTR((unsigned long) uid), u) < 0) { - free(u->state_file); - free(u->name); - free(u); - return NULL; - } - - u->manager = m; - u->uid = uid; - u->gid = gid; - - return u; -} - -void user_free(User *u) { - assert(u); - - if (u->in_gc_queue) - LIST_REMOVE(User, gc_queue, u->manager->user_gc_queue, u); - - while (u->sessions) - session_free(u->sessions); - - if (u->cgroup_path) - hashmap_remove(u->manager->user_cgroups, u->cgroup_path); - free(u->cgroup_path); - - free(u->service); - free(u->runtime_path); - - hashmap_remove(u->manager->users, ULONG_TO_PTR((unsigned long) u->uid)); - - free(u->name); - free(u->state_file); - free(u); -} - -int user_save(User *u) { - FILE *f; - int r; - char *temp_path; - - assert(u); - assert(u->state_file); - - if (!u->started) - return 0; - - r = mkdir_safe_label("/run/systemd/users", 0755, 0, 0); - if (r < 0) - goto finish; - - r = fopen_temporary(u->state_file, &f, &temp_path); - if (r < 0) - goto finish; - - fchmod(fileno(f), 0644); - - fprintf(f, - "# This is private data. Do not parse.\n" - "NAME=%s\n" - "STATE=%s\n", - u->name, - user_state_to_string(user_get_state(u))); - - if (u->cgroup_path) - fprintf(f, - "CGROUP=%s\n", - u->cgroup_path); - - if (u->runtime_path) - fprintf(f, - "RUNTIME=%s\n", - u->runtime_path); - - if (u->service) - fprintf(f, - "SERVICE=%s\n", - u->service); - - if (u->display) - fprintf(f, - "DISPLAY=%s\n", - u->display->id); - - if (u->sessions) { - Session *i; - bool first; - - fputs("SESSIONS=", f); - first = true; - LIST_FOREACH(sessions_by_user, i, u->sessions) { - if (first) - first = false; - else - fputc(' ', f); - - fputs(i->id, f); - } - - fputs("\nSEATS=", f); - first = true; - LIST_FOREACH(sessions_by_user, i, u->sessions) { - if (!i->seat) - continue; - - if (first) - first = false; - else - fputc(' ', f); - - fputs(i->seat->id, f); - } - - fputs("\nACTIVE_SESSIONS=", f); - first = true; - LIST_FOREACH(sessions_by_user, i, u->sessions) { - if (!session_is_active(i)) - continue; - - if (first) - first = false; - else - fputc(' ', f); - - fputs(i->id, f); - } - - fputs("\nONLINE_SESSIONS=", f); - first = true; - LIST_FOREACH(sessions_by_user, i, u->sessions) { - if (session_get_state(i) == SESSION_CLOSING) - continue; - - if (first) - first = false; - else - fputc(' ', f); - - fputs(i->id, f); - } - - fputs("\nACTIVE_SEATS=", f); - first = true; - LIST_FOREACH(sessions_by_user, i, u->sessions) { - if (!session_is_active(i) || !i->seat) - continue; - - if (first) - first = false; - else - fputc(' ', f); - - fputs(i->seat->id, f); - } - - fputs("\nONLINE_SEATS=", f); - first = true; - LIST_FOREACH(sessions_by_user, i, u->sessions) { - if (session_get_state(i) == SESSION_CLOSING || !i->seat) - continue; - - if (first) - first = false; - else - fputc(' ', f); - - fputs(i->seat->id, f); - } - fputc('\n', f); - } - - fflush(f); - - if (ferror(f) || rename(temp_path, u->state_file) < 0) { - r = -errno; - unlink(u->state_file); - unlink(temp_path); - } - - fclose(f); - free(temp_path); - -finish: - if (r < 0) - log_error("Failed to save user data for %s: %s", u->name, strerror(-r)); - - return r; -} - -int user_load(User *u) { - int r; - char *display = NULL; - Session *s = NULL; - - assert(u); - - r = parse_env_file(u->state_file, NEWLINE, - "CGROUP", &u->cgroup_path, - "RUNTIME", &u->runtime_path, - "SERVICE", &u->service, - "DISPLAY", &display, - NULL); - if (r < 0) { - free(display); - - if (r == -ENOENT) - return 0; - - log_error("Failed to read %s: %s", u->state_file, strerror(-r)); - return r; - } - - if (display) { - s = hashmap_get(u->manager->sessions, display); - free(display); - } - - if (s && s->display && display_is_local(s->display)) - u->display = s; - - return r; -} - -static int user_mkdir_runtime_path(User *u) { - char *p; - int r; - - assert(u); - - r = mkdir_safe_label("/run/user", 0755, 0, 0); - if (r < 0) { - log_error("Failed to create /run/user: %s", strerror(-r)); - return r; - } - - if (!u->runtime_path) { - if (asprintf(&p, "/run/user/%lu", (unsigned long) u->uid) < 0) - return log_oom(); - } else - p = u->runtime_path; - - r = mkdir_safe_label(p, 0700, u->uid, u->gid); - if (r < 0) { - log_error("Failed to create runtime directory %s: %s", p, strerror(-r)); - free(p); - u->runtime_path = NULL; - return r; - } - - u->runtime_path = p; - return 0; -} - -static int user_create_cgroup(User *u) { - char **k; - char *p; - int r; - - assert(u); - - if (!u->cgroup_path) { - if (asprintf(&p, "%s/%s", u->manager->cgroup_path, u->name) < 0) - return log_oom(); - } else - p = u->cgroup_path; - - r = cg_create(SYSTEMD_CGROUP_CONTROLLER, p); - if (r < 0) { - log_error("Failed to create cgroup "SYSTEMD_CGROUP_CONTROLLER":%s: %s", p, strerror(-r)); - free(p); - u->cgroup_path = NULL; - return r; - } - - u->cgroup_path = p; - - STRV_FOREACH(k, u->manager->controllers) { - - if (strv_contains(u->manager->reset_controllers, *k)) - continue; - - r = cg_create(*k, p); - if (r < 0) - log_warning("Failed to create cgroup %s:%s: %s", *k, p, strerror(-r)); - } - - r = hashmap_put(u->manager->user_cgroups, u->cgroup_path, u); - if (r < 0) - log_warning("Failed to create mapping between cgroup and user"); - - return 0; -} - -static int user_start_service(User *u) { - assert(u); - - /* FIXME: Fill me in later ... */ - - return 0; -} - -int user_start(User *u) { - int r; - - assert(u); - - if (u->started) - return 0; - - log_debug("New user %s logged in.", u->name); - - /* Make XDG_RUNTIME_DIR */ - r = user_mkdir_runtime_path(u); - if (r < 0) - return r; - - /* Create cgroup */ - r = user_create_cgroup(u); - if (r < 0) - return r; - - /* Spawn user systemd */ - r = user_start_service(u); - if (r < 0) - return r; - - dual_timestamp_get(&u->timestamp); - - u->started = true; - - /* Save new user data */ - user_save(u); - - user_send_signal(u, true); - - return 0; -} - -static int user_stop_service(User *u) { - assert(u); - - if (!u->service) - return 0; - - return 0; -} - -static int user_shall_kill(User *u) { - assert(u); - - if (!u->manager->kill_user_processes) - return false; - - if (strv_contains(u->manager->kill_exclude_users, u->name)) - return false; - - if (strv_isempty(u->manager->kill_only_users)) - return true; - - return strv_contains(u->manager->kill_only_users, u->name); -} - -static int user_terminate_cgroup(User *u) { - int r; - char **k; - - assert(u); - - if (!u->cgroup_path) - return 0; - - cg_trim(SYSTEMD_CGROUP_CONTROLLER, u->cgroup_path, false); - - if (user_shall_kill(u)) { - - r = cg_kill_recursive_and_wait(SYSTEMD_CGROUP_CONTROLLER, u->cgroup_path, true); - if (r < 0) - log_error("Failed to kill user cgroup: %s", strerror(-r)); - } else { - - r = cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, u->cgroup_path, true); - if (r < 0) - log_error("Failed to check user cgroup: %s", strerror(-r)); - else if (r > 0) { - r = cg_delete(SYSTEMD_CGROUP_CONTROLLER, u->cgroup_path); - if (r < 0) - log_error("Failed to delete user cgroup: %s", strerror(-r)); - } else - r = -EBUSY; - } - - STRV_FOREACH(k, u->manager->controllers) - cg_trim(*k, u->cgroup_path, true); - - hashmap_remove(u->manager->user_cgroups, u->cgroup_path); - - free(u->cgroup_path); - u->cgroup_path = NULL; - - return r; -} - -static int user_remove_runtime_path(User *u) { - int r; - - assert(u); - - if (!u->runtime_path) - return 0; - - r = rm_rf(u->runtime_path, false, true, false); - if (r < 0) - log_error("Failed to remove runtime directory %s: %s", u->runtime_path, strerror(-r)); - - free(u->runtime_path); - u->runtime_path = NULL; - - return r; -} - -int user_stop(User *u) { - Session *s; - int r = 0, k; - assert(u); - - if (u->started) - log_debug("User %s logged out.", u->name); - - LIST_FOREACH(sessions_by_user, s, u->sessions) { - k = session_stop(s); - if (k < 0) - r = k; - } - - /* Kill systemd */ - k = user_stop_service(u); - if (k < 0) - r = k; - - /* Kill cgroup */ - k = user_terminate_cgroup(u); - if (k < 0) - r = k; - - /* Kill XDG_RUNTIME_DIR */ - k = user_remove_runtime_path(u); - if (k < 0) - r = k; - - unlink(u->state_file); - user_add_to_gc_queue(u); - - if (u->started) - user_send_signal(u, false); - - u->started = false; - - return r; -} - -int user_get_idle_hint(User *u, dual_timestamp *t) { - Session *s; - bool idle_hint = true; - dual_timestamp ts = { 0, 0 }; - - assert(u); - - LIST_FOREACH(sessions_by_user, s, u->sessions) { - dual_timestamp k; - int ih; - - ih = session_get_idle_hint(s, &k); - if (ih < 0) - return ih; - - if (!ih) { - if (!idle_hint) { - if (k.monotonic < ts.monotonic) - ts = k; - } else { - idle_hint = false; - ts = k; - } - } else if (idle_hint) { - - if (k.monotonic > ts.monotonic) - ts = k; - } - } - - if (t) - *t = ts; - - return idle_hint; -} - -static int user_check_linger_file(User *u) { - char *p; - int r; - - if (asprintf(&p, "/var/lib/systemd/linger/%s", u->name) < 0) - return -ENOMEM; - - r = access(p, F_OK) >= 0; - free(p); - - return r; -} - -int user_check_gc(User *u, bool drop_not_started) { - int r; - - assert(u); - - if (drop_not_started && !u->started) - return 0; - - if (u->sessions) - return 1; - - if (user_check_linger_file(u) > 0) - return 1; - - if (u->cgroup_path) { - r = cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, u->cgroup_path, false); - if (r < 0) - return r; - - if (r <= 0) - return 1; - } - - return 0; -} - -void user_add_to_gc_queue(User *u) { - assert(u); - - if (u->in_gc_queue) - return; - - LIST_PREPEND(User, gc_queue, u->manager->user_gc_queue, u); - u->in_gc_queue = true; -} - -UserState user_get_state(User *u) { - Session *i; - bool all_closing = true; - - assert(u); - - - LIST_FOREACH(sessions_by_user, i, u->sessions) { - if (session_is_active(i)) - return USER_ACTIVE; - if (session_get_state(i) != SESSION_CLOSING) - all_closing = false; - } - - if (u->sessions) - return all_closing ? USER_CLOSING : USER_ONLINE; - - if (user_check_linger_file(u) > 0) - return USER_LINGERING; - - return USER_CLOSING; -} - -int user_kill(User *u, int signo) { - int r = 0, q; - Set *pid_set = NULL; - - assert(u); - - if (!u->cgroup_path) - return -ESRCH; - - pid_set = set_new(trivial_hash_func, trivial_compare_func); - if (!pid_set) - return -ENOMEM; - - q = cg_kill_recursive(SYSTEMD_CGROUP_CONTROLLER, u->cgroup_path, signo, false, true, false, pid_set); - if (q < 0) - if (q != -EAGAIN && q != -ESRCH && q != -ENOENT) - r = q; - - if (pid_set) - set_free(pid_set); - - return r; -} - -static const char* const user_state_table[_USER_STATE_MAX] = { - [USER_OFFLINE] = "offline", - [USER_LINGERING] = "lingering", - [USER_ONLINE] = "online", - [USER_ACTIVE] = "active", - [USER_CLOSING] = "closing" -}; - -DEFINE_STRING_TABLE_LOOKUP(user_state, UserState); diff --git a/src/login/logind-user.h b/src/login/logind-user.h deleted file mode 100644 index a679d43a30..0000000000 --- a/src/login/logind-user.h +++ /dev/null @@ -1,84 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -#pragma once - -/*** - This file is part of systemd. - - Copyright 2011 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -typedef struct User User; - -#include "list.h" -#include "util.h" -#include "logind.h" -#include "logind-session.h" - -typedef enum UserState { - USER_OFFLINE, /* Not logged in at all */ - USER_LINGERING, /* Lingering has been enabled by the admin for this user */ - USER_ONLINE, /* User logged in */ - USER_ACTIVE, /* User logged in and has a session in the fg */ - USER_CLOSING, /* User logged out, but processes still remain and lingering is not enabled */ - _USER_STATE_MAX, - _USER_STATE_INVALID = -1 -} UserState; - -struct User { - Manager *manager; - - uid_t uid; - gid_t gid; - char *name; - - char *state_file; - char *runtime_path; - char *service; - char *cgroup_path; - - Session *display; - - dual_timestamp timestamp; - - bool in_gc_queue:1; - bool started:1; - - LIST_HEAD(Session, sessions); - LIST_FIELDS(User, gc_queue); -}; - -User* user_new(Manager *m, uid_t uid, gid_t gid, const char *name); -void user_free(User *u); -int user_check_gc(User *u, bool drop_not_started); -void user_add_to_gc_queue(User *u); -int user_start(User *u); -int user_stop(User *u); -UserState user_get_state(User *u); -int user_get_idle_hint(User *u, dual_timestamp *t); -int user_save(User *u); -int user_load(User *u); -int user_kill(User *u, int signo); - -char *user_bus_path(User *s); - -extern const DBusObjectPathVTable bus_user_vtable; - -int user_send_signal(User *u, bool new_user); -int user_send_changed(User *u, const char *properties); - -const char* user_state_to_string(UserState s); -UserState user_state_from_string(const char *s); diff --git a/src/login/logind.c b/src/login/logind.c deleted file mode 100644 index 9cce481340..0000000000 --- a/src/login/logind.c +++ /dev/null @@ -1,1680 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2011 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <errno.h> -#include <pwd.h> -#include <libudev.h> -#include <fcntl.h> -#include <string.h> -#include <unistd.h> -#include <sys/epoll.h> -#include <sys/ioctl.h> -#include <linux/vt.h> - -#include <systemd/sd-daemon.h> - -#include "logind.h" -#include "dbus-common.h" -#include "dbus-loop.h" -#include "strv.h" -#include "conf-parser.h" - -Manager *manager_new(void) { - Manager *m; - - m = new0(Manager, 1); - if (!m) - return NULL; - - m->console_active_fd = -1; - m->bus_fd = -1; - m->udev_seat_fd = -1; - m->udev_vcsa_fd = -1; - m->udev_button_fd = -1; - m->epoll_fd = -1; - m->reserve_vt_fd = -1; - - m->n_autovts = 6; - m->reserve_vt = 6; - m->inhibit_delay_max = 5 * USEC_PER_SEC; - m->handle_power_key = HANDLE_POWEROFF; - m->handle_suspend_key = HANDLE_SUSPEND; - m->handle_hibernate_key = HANDLE_HIBERNATE; - m->handle_lid_switch = HANDLE_SUSPEND; - m->lid_switch_ignore_inhibited = true; - - m->devices = hashmap_new(string_hash_func, string_compare_func); - m->seats = hashmap_new(string_hash_func, string_compare_func); - m->sessions = hashmap_new(string_hash_func, string_compare_func); - m->users = hashmap_new(trivial_hash_func, trivial_compare_func); - m->inhibitors = hashmap_new(string_hash_func, string_compare_func); - m->buttons = hashmap_new(string_hash_func, string_compare_func); - - m->user_cgroups = hashmap_new(string_hash_func, string_compare_func); - m->session_cgroups = hashmap_new(string_hash_func, string_compare_func); - - m->session_fds = hashmap_new(trivial_hash_func, trivial_compare_func); - m->inhibitor_fds = hashmap_new(trivial_hash_func, trivial_compare_func); - m->button_fds = hashmap_new(trivial_hash_func, trivial_compare_func); - - if (!m->devices || !m->seats || !m->sessions || !m->users || !m->inhibitors || !m->buttons || - !m->user_cgroups || !m->session_cgroups || - !m->session_fds || !m->inhibitor_fds || !m->button_fds) { - manager_free(m); - return NULL; - } - - m->reset_controllers = strv_new("cpu", NULL); - m->kill_exclude_users = strv_new("root", NULL); - if (!m->reset_controllers || !m->kill_exclude_users) { - manager_free(m); - return NULL; - } - - m->udev = udev_new(); - if (!m->udev) { - manager_free(m); - return NULL; - } - - if (cg_get_user_path(&m->cgroup_path) < 0) { - manager_free(m); - return NULL; - } - - return m; -} - -void manager_free(Manager *m) { - Session *session; - User *u; - Device *d; - Seat *s; - Inhibitor *i; - Button *b; - - assert(m); - - while ((session = hashmap_first(m->sessions))) - session_free(session); - - while ((u = hashmap_first(m->users))) - user_free(u); - - while ((d = hashmap_first(m->devices))) - device_free(d); - - while ((s = hashmap_first(m->seats))) - seat_free(s); - - while ((i = hashmap_first(m->inhibitors))) - inhibitor_free(i); - - while ((b = hashmap_first(m->buttons))) - button_free(b); - - hashmap_free(m->devices); - hashmap_free(m->seats); - hashmap_free(m->sessions); - hashmap_free(m->users); - hashmap_free(m->inhibitors); - hashmap_free(m->buttons); - - hashmap_free(m->user_cgroups); - hashmap_free(m->session_cgroups); - - hashmap_free(m->session_fds); - hashmap_free(m->inhibitor_fds); - hashmap_free(m->button_fds); - - if (m->console_active_fd >= 0) - close_nointr_nofail(m->console_active_fd); - - if (m->udev_seat_monitor) - udev_monitor_unref(m->udev_seat_monitor); - if (m->udev_vcsa_monitor) - udev_monitor_unref(m->udev_vcsa_monitor); - if (m->udev_button_monitor) - udev_monitor_unref(m->udev_button_monitor); - - if (m->udev) - udev_unref(m->udev); - - if (m->bus) { - dbus_connection_flush(m->bus); - dbus_connection_close(m->bus); - dbus_connection_unref(m->bus); - } - - if (m->bus_fd >= 0) - close_nointr_nofail(m->bus_fd); - - if (m->epoll_fd >= 0) - close_nointr_nofail(m->epoll_fd); - - if (m->reserve_vt_fd >= 0) - close_nointr_nofail(m->reserve_vt_fd); - - strv_free(m->controllers); - strv_free(m->reset_controllers); - strv_free(m->kill_only_users); - strv_free(m->kill_exclude_users); - - free(m->cgroup_path); - free(m); -} - -int manager_add_device(Manager *m, const char *sysfs, Device **_device) { - Device *d; - - assert(m); - assert(sysfs); - - d = hashmap_get(m->devices, sysfs); - if (d) { - if (_device) - *_device = d; - - return 0; - } - - d = device_new(m, sysfs); - if (!d) - return -ENOMEM; - - if (_device) - *_device = d; - - return 0; -} - -int manager_add_seat(Manager *m, const char *id, Seat **_seat) { - Seat *s; - - assert(m); - assert(id); - - s = hashmap_get(m->seats, id); - if (s) { - if (_seat) - *_seat = s; - - return 0; - } - - s = seat_new(m, id); - if (!s) - return -ENOMEM; - - if (_seat) - *_seat = s; - - return 0; -} - -int manager_add_session(Manager *m, User *u, const char *id, Session **_session) { - Session *s; - - assert(m); - assert(id); - - s = hashmap_get(m->sessions, id); - if (s) { - if (_session) - *_session = s; - - return 0; - } - - s = session_new(m, u, id); - if (!s) - return -ENOMEM; - - if (_session) - *_session = s; - - return 0; -} - -int manager_add_user(Manager *m, uid_t uid, gid_t gid, const char *name, User **_user) { - User *u; - - assert(m); - assert(name); - - u = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); - if (u) { - if (_user) - *_user = u; - - return 0; - } - - u = user_new(m, uid, gid, name); - if (!u) - return -ENOMEM; - - if (_user) - *_user = u; - - return 0; -} - -int manager_add_user_by_name(Manager *m, const char *name, User **_user) { - uid_t uid; - gid_t gid; - int r; - - assert(m); - assert(name); - - r = get_user_creds(&name, &uid, &gid, NULL, NULL); - if (r < 0) - return r; - - return manager_add_user(m, uid, gid, name, _user); -} - -int manager_add_user_by_uid(Manager *m, uid_t uid, User **_user) { - struct passwd *p; - - assert(m); - - errno = 0; - p = getpwuid(uid); - if (!p) - return errno ? -errno : -ENOENT; - - return manager_add_user(m, uid, p->pw_gid, p->pw_name, _user); -} - -int manager_add_inhibitor(Manager *m, const char* id, Inhibitor **_inhibitor) { - Inhibitor *i; - - assert(m); - assert(id); - - i = hashmap_get(m->inhibitors, id); - if (i) { - if (_inhibitor) - *_inhibitor = i; - - return 0; - } - - i = inhibitor_new(m, id); - if (!i) - return -ENOMEM; - - if (_inhibitor) - *_inhibitor = i; - - return 0; -} - -int manager_add_button(Manager *m, const char *name, Button **_button) { - Button *b; - - assert(m); - assert(name); - - b = hashmap_get(m->buttons, name); - if (b) { - if (_button) - *_button = b; - - return 0; - } - - b = button_new(m, name); - if (!b) - return -ENOMEM; - - if (_button) - *_button = b; - - return 0; -} - -int manager_process_seat_device(Manager *m, struct udev_device *d) { - Device *device; - int r; - - assert(m); - - if (streq_ptr(udev_device_get_action(d), "remove")) { - - device = hashmap_get(m->devices, udev_device_get_syspath(d)); - if (!device) - return 0; - - seat_add_to_gc_queue(device->seat); - device_free(device); - - } else { - const char *sn; - Seat *seat; - - sn = udev_device_get_property_value(d, "ID_SEAT"); - if (isempty(sn)) - sn = "seat0"; - - if (!seat_name_is_valid(sn)) { - log_warning("Device with invalid seat name %s found, ignoring.", sn); - return 0; - } - - r = manager_add_device(m, udev_device_get_syspath(d), &device); - if (r < 0) - return r; - - r = manager_add_seat(m, sn, &seat); - if (r < 0) { - if (!device->seat) - device_free(device); - - return r; - } - - device_attach(device, seat); - seat_start(seat); - } - - return 0; -} - -int manager_process_button_device(Manager *m, struct udev_device *d) { - Button *b; - - int r; - - assert(m); - - if (streq_ptr(udev_device_get_action(d), "remove")) { - - b = hashmap_get(m->buttons, udev_device_get_sysname(d)); - if (!b) - return 0; - - button_free(b); - - } else { - const char *sn; - - r = manager_add_button(m, udev_device_get_sysname(d), &b); - if (r < 0) - return r; - - sn = udev_device_get_property_value(d, "ID_SEAT"); - if (isempty(sn)) - sn = "seat0"; - - button_set_seat(b, sn); - button_open(b); - } - - return 0; -} - -int manager_enumerate_devices(Manager *m) { - struct udev_list_entry *item = NULL, *first = NULL; - struct udev_enumerate *e; - int r; - - assert(m); - - /* Loads devices from udev and creates seats for them as - * necessary */ - - e = udev_enumerate_new(m->udev); - if (!e) { - r = -ENOMEM; - goto finish; - } - - r = udev_enumerate_add_match_subsystem(e, "graphics"); - if (r < 0) - goto finish; - - r = udev_enumerate_add_match_tag(e, "seat"); - if (r < 0) - goto finish; - - r = udev_enumerate_scan_devices(e); - if (r < 0) - goto finish; - - first = udev_enumerate_get_list_entry(e); - udev_list_entry_foreach(item, first) { - struct udev_device *d; - int k; - - d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item)); - if (!d) { - r = -ENOMEM; - goto finish; - } - - k = manager_process_seat_device(m, d); - udev_device_unref(d); - - if (k < 0) - r = k; - } - -finish: - if (e) - udev_enumerate_unref(e); - - return r; -} - -int manager_enumerate_buttons(Manager *m) { - struct udev_list_entry *item = NULL, *first = NULL; - struct udev_enumerate *e; - int r; - - assert(m); - - /* Loads buttons from udev */ - - if (m->handle_power_key == HANDLE_IGNORE && - m->handle_suspend_key == HANDLE_IGNORE && - m->handle_hibernate_key == HANDLE_IGNORE && - m->handle_lid_switch == HANDLE_IGNORE) - return 0; - - e = udev_enumerate_new(m->udev); - if (!e) { - r = -ENOMEM; - goto finish; - } - - r = udev_enumerate_add_match_subsystem(e, "input"); - if (r < 0) - goto finish; - - r = udev_enumerate_add_match_tag(e, "power-switch"); - if (r < 0) - goto finish; - - r = udev_enumerate_scan_devices(e); - if (r < 0) - goto finish; - - first = udev_enumerate_get_list_entry(e); - udev_list_entry_foreach(item, first) { - struct udev_device *d; - int k; - - d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item)); - if (!d) { - r = -ENOMEM; - goto finish; - } - - k = manager_process_button_device(m, d); - udev_device_unref(d); - - if (k < 0) - r = k; - } - -finish: - if (e) - udev_enumerate_unref(e); - - return r; -} - -int manager_enumerate_seats(Manager *m) { - DIR *d; - struct dirent *de; - int r = 0; - - assert(m); - - /* This loads data about seats stored on disk, but does not - * actually create any seats. Removes data of seats that no - * longer exist. */ - - d = opendir("/run/systemd/seats"); - if (!d) { - if (errno == ENOENT) - return 0; - - log_error("Failed to open /run/systemd/seats: %m"); - return -errno; - } - - while ((de = readdir(d))) { - Seat *s; - int k; - - if (!dirent_is_file(de)) - continue; - - s = hashmap_get(m->seats, de->d_name); - if (!s) { - unlinkat(dirfd(d), de->d_name, 0); - continue; - } - - k = seat_load(s); - if (k < 0) - r = k; - } - - closedir(d); - - return r; -} - -static int manager_enumerate_users_from_cgroup(Manager *m) { - int r = 0, k; - char *name; - DIR *d; - - r = cg_enumerate_subgroups(SYSTEMD_CGROUP_CONTROLLER, m->cgroup_path, &d); - if (r < 0) { - if (r == -ENOENT) - return 0; - - log_error("Failed to open %s: %s", m->cgroup_path, strerror(-r)); - return r; - } - - while ((k = cg_read_subgroup(d, &name)) > 0) { - User *user; - - k = manager_add_user_by_name(m, name, &user); - if (k < 0) { - free(name); - r = k; - continue; - } - - user_add_to_gc_queue(user); - - if (!user->cgroup_path) - if (asprintf(&user->cgroup_path, "%s/%s", m->cgroup_path, name) < 0) { - r = -ENOMEM; - free(name); - break; - } - - free(name); - } - - if (r >= 0 && k < 0) - r = k; - - closedir(d); - - return r; -} - -static int manager_enumerate_linger_users(Manager *m) { - DIR *d; - struct dirent *de; - int r = 0; - - d = opendir("/var/lib/systemd/linger"); - if (!d) { - if (errno == ENOENT) - return 0; - - log_error("Failed to open /var/lib/systemd/linger/: %m"); - return -errno; - } - - while ((de = readdir(d))) { - int k; - - if (!dirent_is_file(de)) - continue; - - k = manager_add_user_by_name(m, de->d_name, NULL); - if (k < 0) { - log_notice("Couldn't add lingering user %s: %s", de->d_name, strerror(-k)); - r = k; - } - } - - closedir(d); - - return r; -} - -int manager_enumerate_users(Manager *m) { - DIR *d; - struct dirent *de; - int r, k; - - assert(m); - - /* First, enumerate user cgroups */ - r = manager_enumerate_users_from_cgroup(m); - - /* Second, add lingering users on top */ - k = manager_enumerate_linger_users(m); - if (k < 0) - r = k; - - /* Third, read in user data stored on disk */ - d = opendir("/run/systemd/users"); - if (!d) { - if (errno == ENOENT) - return 0; - - log_error("Failed to open /run/systemd/users: %m"); - return -errno; - } - - while ((de = readdir(d))) { - uid_t uid; - User *u; - - if (!dirent_is_file(de)) - continue; - - k = parse_uid(de->d_name, &uid); - if (k < 0) { - log_error("Failed to parse file name %s: %s", de->d_name, strerror(-k)); - continue; - } - - u = hashmap_get(m->users, ULONG_TO_PTR(uid)); - if (!u) { - unlinkat(dirfd(d), de->d_name, 0); - continue; - } - - k = user_load(u); - if (k < 0) - r = k; - } - - closedir(d); - - return r; -} - -static int manager_enumerate_sessions_from_cgroup(Manager *m) { - User *u; - Iterator i; - int r = 0; - - HASHMAP_FOREACH(u, m->users, i) { - DIR *d; - char *name; - int k; - - if (!u->cgroup_path) - continue; - - k = cg_enumerate_subgroups(SYSTEMD_CGROUP_CONTROLLER, u->cgroup_path, &d); - if (k < 0) { - if (k == -ENOENT) - continue; - - log_error("Failed to open %s: %s", u->cgroup_path, strerror(-k)); - r = k; - continue; - } - - while ((k = cg_read_subgroup(d, &name)) > 0) { - Session *session; - - if (streq(name, "shared")) - continue; - - k = manager_add_session(m, u, name, &session); - if (k < 0) { - free(name); - break; - } - - session_add_to_gc_queue(session); - - if (!session->cgroup_path) - if (asprintf(&session->cgroup_path, "%s/%s", u->cgroup_path, name) < 0) { - k = -ENOMEM; - free(name); - break; - } - - free(name); - } - - closedir(d); - - if (k < 0) - r = k; - } - - return r; -} - -int manager_enumerate_sessions(Manager *m) { - DIR *d; - struct dirent *de; - int r = 0; - - assert(m); - - /* First enumerate session cgroups */ - r = manager_enumerate_sessions_from_cgroup(m); - - /* Second, read in session data stored on disk */ - d = opendir("/run/systemd/sessions"); - if (!d) { - if (errno == ENOENT) - return 0; - - log_error("Failed to open /run/systemd/sessions: %m"); - return -errno; - } - - while ((de = readdir(d))) { - struct Session *s; - int k; - - if (!dirent_is_file(de)) - continue; - - s = hashmap_get(m->sessions, de->d_name); - if (!s) { - unlinkat(dirfd(d), de->d_name, 0); - continue; - } - - k = session_load(s); - if (k < 0) - r = k; - } - - closedir(d); - - return r; -} - -int manager_enumerate_inhibitors(Manager *m) { - DIR *d; - struct dirent *de; - int r = 0; - - assert(m); - - d = opendir("/run/systemd/inhibit"); - if (!d) { - if (errno == ENOENT) - return 0; - - log_error("Failed to open /run/systemd/inhibit: %m"); - return -errno; - } - - while ((de = readdir(d))) { - int k; - Inhibitor *i; - - if (!dirent_is_file(de)) - continue; - - k = manager_add_inhibitor(m, de->d_name, &i); - if (k < 0) { - log_notice("Couldn't add inhibitor %s: %s", de->d_name, strerror(-k)); - r = k; - continue; - } - - k = inhibitor_load(i); - if (k < 0) - r = k; - } - - closedir(d); - - return r; -} - -int manager_dispatch_seat_udev(Manager *m) { - struct udev_device *d; - int r; - - assert(m); - - d = udev_monitor_receive_device(m->udev_seat_monitor); - if (!d) - return -ENOMEM; - - r = manager_process_seat_device(m, d); - udev_device_unref(d); - - return r; -} - -int manager_dispatch_vcsa_udev(Manager *m) { - struct udev_device *d; - int r = 0; - const char *name; - - assert(m); - - d = udev_monitor_receive_device(m->udev_vcsa_monitor); - if (!d) - return -ENOMEM; - - name = udev_device_get_sysname(d); - - /* Whenever a VCSA device is removed try to reallocate our - * VTs, to make sure our auto VTs never go away. */ - - if (name && startswith(name, "vcsa") && streq_ptr(udev_device_get_action(d), "remove")) - r = seat_preallocate_vts(m->vtconsole); - - udev_device_unref(d); - - return r; -} - -int manager_dispatch_button_udev(Manager *m) { - struct udev_device *d; - int r; - - assert(m); - - d = udev_monitor_receive_device(m->udev_button_monitor); - if (!d) - return -ENOMEM; - - r = manager_process_button_device(m, d); - udev_device_unref(d); - - return r; -} - -int manager_dispatch_console(Manager *m) { - assert(m); - - if (m->vtconsole) - seat_read_active_vt(m->vtconsole); - - return 0; -} - -static int vt_is_busy(int vtnr) { - struct vt_stat vt_stat; - int r = 0, fd; - - assert(vtnr >= 1); - - /* We explicitly open /dev/tty1 here instead of /dev/tty0. If - * we'd open the latter we'd open the foreground tty which - * hence would be unconditionally busy. By opening /dev/tty1 - * we avoid this. Since tty1 is special and needs to be an - * explicitly loaded getty or DM this is safe. */ - - fd = open_terminal("/dev/tty1", O_RDWR|O_NOCTTY|O_CLOEXEC); - if (fd < 0) - return -errno; - - if (ioctl(fd, VT_GETSTATE, &vt_stat) < 0) - r = -errno; - else - r = !!(vt_stat.v_state & (1 << vtnr)); - - close_nointr_nofail(fd); - - return r; -} - -int manager_spawn_autovt(Manager *m, int vtnr) { - int r; - char *name = NULL; - const char *mode = "fail"; - - assert(m); - assert(vtnr >= 1); - - if ((unsigned) vtnr > m->n_autovts && - (unsigned) vtnr != m->reserve_vt) - return 0; - - if ((unsigned) vtnr != m->reserve_vt) { - /* If this is the reserved TTY, we'll start the getty - * on it in any case, but otherwise only if it is not - * busy. */ - - r = vt_is_busy(vtnr); - if (r < 0) - return r; - else if (r > 0) - return -EBUSY; - } - - if (asprintf(&name, "autovt@tty%i.service", vtnr) < 0) { - log_error("Could not allocate service name."); - r = -ENOMEM; - goto finish; - } - - r = bus_method_call_with_reply ( - m->bus, - "org.freedesktop.systemd1", - "/org/freedesktop/systemd1", - "org.freedesktop.systemd1.Manager", - "StartUnit", - NULL, - NULL, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_STRING, &mode, - DBUS_TYPE_INVALID); - -finish: - free(name); - - return r; -} - -static int manager_reserve_vt(Manager *m) { - _cleanup_free_ char *p = NULL; - - assert(m); - - if (m->reserve_vt <= 0) - return 0; - - if (asprintf(&p, "/dev/tty%u", m->reserve_vt) < 0) - return log_oom(); - - m->reserve_vt_fd = open(p, O_RDWR|O_NOCTTY|O_CLOEXEC|O_NONBLOCK); - if (m->reserve_vt_fd < 0) { - - /* Don't complain on VT-less systems */ - if (errno != ENOENT) - log_warning("Failed to pin reserved VT: %m"); - return -errno; - } - - return 0; -} - -int manager_get_session_by_cgroup(Manager *m, const char *cgroup, Session **session) { - Session *s; - char *p; - - assert(m); - assert(cgroup); - assert(session); - - s = hashmap_get(m->session_cgroups, cgroup); - if (s) { - *session = s; - return 1; - } - - p = strdup(cgroup); - if (!p) - return log_oom(); - - for (;;) { - char *e; - - e = strrchr(p, '/'); - if (!e || e == p) { - free(p); - *session = NULL; - return 0; - } - - *e = 0; - - s = hashmap_get(m->session_cgroups, p); - if (s) { - free(p); - *session = s; - return 1; - } - } -} - -int manager_get_user_by_cgroup(Manager *m, const char *cgroup, User **user) { - User *u; - char *p; - - assert(m); - assert(cgroup); - assert(user); - - u = hashmap_get(m->user_cgroups, cgroup); - if (u) { - *user = u; - return 1; - } - - p = strdup(cgroup); - if (!p) - return log_oom(); - - for (;;) { - char *e; - - e = strrchr(p, '/'); - if (!e || e == p) { - free(p); - *user = NULL; - return 0; - } - - *e = 0; - - u = hashmap_get(m->user_cgroups, p); - if (u) { - free(p); - *user = u; - return 1; - } - } -} - -int manager_get_session_by_pid(Manager *m, pid_t pid, Session **session) { - char *p; - int r; - - assert(m); - assert(pid >= 1); - assert(session); - - r = cg_get_by_pid(SYSTEMD_CGROUP_CONTROLLER, pid, &p); - if (r < 0) - return r; - - r = manager_get_session_by_cgroup(m, p, session); - free(p); - - return r; -} - -void manager_cgroup_notify_empty(Manager *m, const char *cgroup) { - Session *s; - User *u; - int r; - - r = manager_get_session_by_cgroup(m, cgroup, &s); - if (r > 0) - session_add_to_gc_queue(s); - - r = manager_get_user_by_cgroup(m, cgroup, &u); - if (r > 0) - user_add_to_gc_queue(u); -} - -static void manager_dispatch_other(Manager *m, int fd) { - Session *s; - Inhibitor *i; - Button *b; - - assert_se(m); - assert_se(fd >= 0); - - s = hashmap_get(m->session_fds, INT_TO_PTR(fd + 1)); - if (s) { - assert(s->fifo_fd == fd); - session_remove_fifo(s); - session_stop(s); - return; - } - - i = hashmap_get(m->inhibitor_fds, INT_TO_PTR(fd + 1)); - if (i) { - assert(i->fifo_fd == fd); - inhibitor_stop(i); - inhibitor_free(i); - return; - } - - b = hashmap_get(m->button_fds, INT_TO_PTR(fd + 1)); - if (b) { - assert(b->fd == fd); - button_process(b); - return; - } - - assert_not_reached("Got event for unknown fd"); -} - -static int manager_connect_bus(Manager *m) { - DBusError error; - int r; - struct epoll_event ev; - - assert(m); - assert(!m->bus); - assert(m->bus_fd < 0); - - dbus_error_init(&error); - - m->bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error); - if (!m->bus) { - log_error("Failed to get system D-Bus connection: %s", bus_error_message(&error)); - r = -ECONNREFUSED; - goto fail; - } - - if (!dbus_connection_register_object_path(m->bus, "/org/freedesktop/login1", &bus_manager_vtable, m) || - !dbus_connection_register_fallback(m->bus, "/org/freedesktop/login1/seat", &bus_seat_vtable, m) || - !dbus_connection_register_fallback(m->bus, "/org/freedesktop/login1/session", &bus_session_vtable, m) || - !dbus_connection_register_fallback(m->bus, "/org/freedesktop/login1/user", &bus_user_vtable, m) || - !dbus_connection_add_filter(m->bus, bus_message_filter, m, NULL)) { - r = log_oom(); - goto fail; - } - - dbus_bus_add_match(m->bus, - "type='signal'," - "interface='org.freedesktop.systemd1.Agent'," - "member='Released'," - "path='/org/freedesktop/systemd1/agent'", - &error); - - if (dbus_error_is_set(&error)) { - log_error("Failed to register match: %s", bus_error_message(&error)); - r = -EIO; - goto fail; - } - - r = dbus_bus_request_name(m->bus, "org.freedesktop.login1", DBUS_NAME_FLAG_DO_NOT_QUEUE, &error); - if (dbus_error_is_set(&error)) { - log_error("Failed to register name on bus: %s", bus_error_message(&error)); - r = -EIO; - goto fail; - } - - if (r != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) { - log_error("Failed to acquire name."); - r = -EEXIST; - goto fail; - } - - m->bus_fd = bus_loop_open(m->bus); - if (m->bus_fd < 0) { - r = m->bus_fd; - goto fail; - } - - zero(ev); - ev.events = EPOLLIN; - ev.data.u32 = FD_BUS; - - if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, m->bus_fd, &ev) < 0) - goto fail; - - return 0; - -fail: - dbus_error_free(&error); - - return r; -} - -static int manager_connect_console(Manager *m) { - struct epoll_event ev; - - assert(m); - assert(m->console_active_fd < 0); - - /* On certain architectures (S390 and Xen, and containers), - /dev/tty0 does not exist, so don't fail if we can't open - it. */ - if (access("/dev/tty0", F_OK) < 0) { - m->console_active_fd = -1; - return 0; - } - - m->console_active_fd = open("/sys/class/tty/tty0/active", O_RDONLY|O_NOCTTY|O_CLOEXEC); - if (m->console_active_fd < 0) { - - /* On some systems the device node /dev/tty0 may exist - * even though /sys/class/tty/tty0 does not. */ - if (errno == ENOENT) - return 0; - - log_error("Failed to open /sys/class/tty/tty0/active: %m"); - return -errno; - } - - zero(ev); - ev.events = 0; - ev.data.u32 = FD_CONSOLE; - - if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, m->console_active_fd, &ev) < 0) - return -errno; - - return 0; -} - -static int manager_connect_udev(Manager *m) { - struct epoll_event ev; - int r; - - assert(m); - assert(!m->udev_seat_monitor); - assert(!m->udev_vcsa_monitor); - assert(!m->udev_button_monitor); - - m->udev_seat_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); - if (!m->udev_seat_monitor) - return -ENOMEM; - - r = udev_monitor_filter_add_match_tag(m->udev_seat_monitor, "seat"); - if (r < 0) - return r; - - r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_seat_monitor, "graphics", NULL); - if (r < 0) - return r; - - r = udev_monitor_enable_receiving(m->udev_seat_monitor); - if (r < 0) - return r; - - m->udev_seat_fd = udev_monitor_get_fd(m->udev_seat_monitor); - - zero(ev); - ev.events = EPOLLIN; - ev.data.u32 = FD_SEAT_UDEV; - if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, m->udev_seat_fd, &ev) < 0) - return -errno; - - /* Don't watch keys if nobody cares */ - if (m->handle_power_key != HANDLE_IGNORE || - m->handle_suspend_key != HANDLE_IGNORE || - m->handle_hibernate_key != HANDLE_IGNORE || - m->handle_lid_switch != HANDLE_IGNORE) { - - m->udev_button_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); - if (!m->udev_button_monitor) - return -ENOMEM; - - r = udev_monitor_filter_add_match_tag(m->udev_button_monitor, "power-switch"); - if (r < 0) - return r; - - r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_button_monitor, "input", NULL); - if (r < 0) - return r; - - r = udev_monitor_enable_receiving(m->udev_button_monitor); - if (r < 0) - return r; - - m->udev_button_fd = udev_monitor_get_fd(m->udev_button_monitor); - - zero(ev); - ev.events = EPOLLIN; - ev.data.u32 = FD_BUTTON_UDEV; - if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, m->udev_button_fd, &ev) < 0) - return -errno; - } - - /* Don't bother watching VCSA devices, if nobody cares */ - if (m->n_autovts > 0 && m->console_active_fd >= 0) { - - m->udev_vcsa_monitor = udev_monitor_new_from_netlink(m->udev, "udev"); - if (!m->udev_vcsa_monitor) - return -ENOMEM; - - r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_vcsa_monitor, "vc", NULL); - if (r < 0) - return r; - - r = udev_monitor_enable_receiving(m->udev_vcsa_monitor); - if (r < 0) - return r; - - m->udev_vcsa_fd = udev_monitor_get_fd(m->udev_vcsa_monitor); - - zero(ev); - ev.events = EPOLLIN; - ev.data.u32 = FD_VCSA_UDEV; - if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, m->udev_vcsa_fd, &ev) < 0) - return -errno; - } - - return 0; -} - -void manager_gc(Manager *m, bool drop_not_started) { - Seat *seat; - Session *session; - User *user; - - assert(m); - - while ((seat = m->seat_gc_queue)) { - LIST_REMOVE(Seat, gc_queue, m->seat_gc_queue, seat); - seat->in_gc_queue = false; - - if (seat_check_gc(seat, drop_not_started) == 0) { - seat_stop(seat); - seat_free(seat); - } - } - - while ((session = m->session_gc_queue)) { - LIST_REMOVE(Session, gc_queue, m->session_gc_queue, session); - session->in_gc_queue = false; - - if (session_check_gc(session, drop_not_started) == 0) { - session_stop(session); - session_free(session); - } - } - - while ((user = m->user_gc_queue)) { - LIST_REMOVE(User, gc_queue, m->user_gc_queue, user); - user->in_gc_queue = false; - - if (user_check_gc(user, drop_not_started) == 0) { - user_stop(user); - user_free(user); - } - } -} - -int manager_get_idle_hint(Manager *m, dual_timestamp *t) { - Session *s; - bool idle_hint; - dual_timestamp ts = { 0, 0 }; - Iterator i; - - assert(m); - - idle_hint = !manager_is_inhibited(m, INHIBIT_IDLE, INHIBIT_BLOCK, t, false, false, 0); - - HASHMAP_FOREACH(s, m->sessions, i) { - dual_timestamp k; - int ih; - - ih = session_get_idle_hint(s, &k); - if (ih < 0) - return ih; - - if (!ih) { - if (!idle_hint) { - if (k.monotonic < ts.monotonic) - ts = k; - } else { - idle_hint = false; - ts = k; - } - } else if (idle_hint) { - - if (k.monotonic > ts.monotonic) - ts = k; - } - } - - if (t) - *t = ts; - - return idle_hint; -} - -int manager_startup(Manager *m) { - int r; - Seat *seat; - Session *session; - User *user; - Inhibitor *inhibitor; - Iterator i; - - assert(m); - assert(m->epoll_fd <= 0); - - cg_shorten_controllers(m->reset_controllers); - cg_shorten_controllers(m->controllers); - - m->epoll_fd = epoll_create1(EPOLL_CLOEXEC); - if (m->epoll_fd < 0) - return -errno; - - /* Connect to console */ - r = manager_connect_console(m); - if (r < 0) - return r; - - /* Connect to udev */ - r = manager_connect_udev(m); - if (r < 0) - return r; - - /* Connect to the bus */ - r = manager_connect_bus(m); - if (r < 0) - return r; - - /* Instantiate magic seat 0 */ - r = manager_add_seat(m, "seat0", &m->vtconsole); - if (r < 0) - return r; - - /* Deserialize state */ - manager_enumerate_devices(m); - manager_enumerate_seats(m); - manager_enumerate_users(m); - manager_enumerate_sessions(m); - manager_enumerate_inhibitors(m); - manager_enumerate_buttons(m); - - /* Remove stale objects before we start them */ - manager_gc(m, false); - - /* Reserve the special reserved VT */ - manager_reserve_vt(m); - - /* And start everything */ - HASHMAP_FOREACH(seat, m->seats, i) - seat_start(seat); - - HASHMAP_FOREACH(user, m->users, i) - user_start(user); - - HASHMAP_FOREACH(session, m->sessions, i) - session_start(session); - - HASHMAP_FOREACH(inhibitor, m->inhibitors, i) - inhibitor_start(inhibitor); - - return 0; -} - -static int manager_recheck_buttons(Manager *m) { - Iterator i; - Button *b; - int r = 0; - - assert(m); - - HASHMAP_FOREACH(b, m->buttons, i) { - int q; - - q = button_recheck(b); - if (q > 0) - return 1; - if (q < 0) - r = q; - } - - return r; -} - -int manager_run(Manager *m) { - assert(m); - - for (;;) { - struct epoll_event event; - int n; - int msec = -1; - - manager_gc(m, true); - - if (manager_dispatch_delayed(m) > 0) - continue; - - if (manager_recheck_buttons(m) > 0) - continue; - - if (dbus_connection_dispatch(m->bus) != DBUS_DISPATCH_COMPLETE) - continue; - - manager_gc(m, true); - - if (m->delayed_unit) { - usec_t x, y; - - x = now(CLOCK_MONOTONIC); - y = m->delayed_timestamp + m->inhibit_delay_max; - - msec = x >= y ? 0 : (int) ((y - x) / USEC_PER_MSEC); - } - - n = epoll_wait(m->epoll_fd, &event, 1, msec); - if (n < 0) { - if (errno == EINTR || errno == EAGAIN) - continue; - - log_error("epoll() failed: %m"); - return -errno; - } - - if (n == 0) - continue; - - switch (event.data.u32) { - - case FD_SEAT_UDEV: - manager_dispatch_seat_udev(m); - break; - - case FD_VCSA_UDEV: - manager_dispatch_vcsa_udev(m); - break; - - case FD_BUTTON_UDEV: - manager_dispatch_button_udev(m); - break; - - case FD_CONSOLE: - manager_dispatch_console(m); - break; - - case FD_BUS: - bus_loop_dispatch(m->bus_fd); - break; - - default: - if (event.data.u32 >= FD_OTHER_BASE) - manager_dispatch_other(m, event.data.u32 - FD_OTHER_BASE); - } - } - - return 0; -} - -static int manager_parse_config_file(Manager *m) { - FILE *f; - const char *fn; - int r; - - assert(m); - - fn = "/etc/systemd/logind.conf"; - f = fopen(fn, "re"); - if (!f) { - if (errno == ENOENT) - return 0; - - log_warning("Failed to open configuration file %s: %m", fn); - return -errno; - } - - r = config_parse(fn, f, "Login\0", config_item_perf_lookup, (void*) logind_gperf_lookup, false, m); - if (r < 0) - log_warning("Failed to parse configuration file: %s", strerror(-r)); - - fclose(f); - - return r; -} - -int main(int argc, char *argv[]) { - Manager *m = NULL; - int r; - - log_set_target(LOG_TARGET_AUTO); - log_set_facility(LOG_AUTH); - log_parse_environment(); - log_open(); - - umask(0022); - - if (argc != 1) { - log_error("This program takes no arguments."); - r = -EINVAL; - goto finish; - } - - m = manager_new(); - if (!m) { - r = log_oom(); - goto finish; - } - - manager_parse_config_file(m); - - r = manager_startup(m); - if (r < 0) { - log_error("Failed to fully start up daemon: %s", strerror(-r)); - goto finish; - } - - log_debug("systemd-logind running as pid %lu", (unsigned long) getpid()); - - sd_notify(false, - "READY=1\n" - "STATUS=Processing requests..."); - - r = manager_run(m); - - log_debug("systemd-logind stopped as pid %lu", (unsigned long) getpid()); - -finish: - sd_notify(false, - "STATUS=Shutting down..."); - - if (m) - manager_free(m); - - return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; -} diff --git a/src/login/logind.conf b/src/login/logind.conf deleted file mode 100644 index 2757fba30a..0000000000 --- a/src/login/logind.conf +++ /dev/null @@ -1,26 +0,0 @@ -# This file is part of systemd. -# -# systemd is free software; you can redistribute it and/or modify it -# under the terms of the GNU Lesser General Public License as published by -# the Free Software Foundation; either version 2.1 of the License, or -# (at your option) any later version. -# -# See logind.conf(5) for details - -[Login] -#NAutoVTs=6 -#ReserveVT=6 -#KillUserProcesses=no -#KillOnlyUsers= -#KillExcludeUsers=root -#Controllers= -#ResetControllers=cpu -#InhibitDelayMaxSec=5 -#HandlePowerKey=poweroff -#HandleSuspendKey=suspend -#HandleHibernateKey=hibernate -#HandleLidSwitch=suspend -#PowerKeyIgnoreInhibited=no -#SuspendKeyIgnoreInhibited=no -#HibernateKeyIgnoreInhibited=no -#LidSwitchIgnoreInhibited=yes diff --git a/src/login/logind.h b/src/login/logind.h deleted file mode 100644 index f415dfbcbf..0000000000 --- a/src/login/logind.h +++ /dev/null @@ -1,174 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -#pragma once - -/*** - This file is part of systemd. - - Copyright 2011 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <stdbool.h> -#include <inttypes.h> -#include <dbus/dbus.h> -#include <libudev.h> - -#include "util.h" -#include "audit.h" -#include "list.h" -#include "hashmap.h" -#include "cgroup-util.h" - -typedef struct Manager Manager; - -#include "logind-device.h" -#include "logind-seat.h" -#include "logind-session.h" -#include "logind-user.h" -#include "logind-inhibit.h" -#include "logind-button.h" - -struct Manager { - DBusConnection *bus; - - Hashmap *devices; - Hashmap *seats; - Hashmap *sessions; - Hashmap *users; - Hashmap *inhibitors; - Hashmap *buttons; - - LIST_HEAD(Seat, seat_gc_queue); - LIST_HEAD(Session, session_gc_queue); - LIST_HEAD(User, user_gc_queue); - - struct udev *udev; - struct udev_monitor *udev_seat_monitor, *udev_vcsa_monitor, *udev_button_monitor; - - int udev_seat_fd; - int udev_vcsa_fd; - int udev_button_fd; - - int console_active_fd; - int bus_fd; - int epoll_fd; - - unsigned n_autovts; - - unsigned reserve_vt; - int reserve_vt_fd; - - Seat *vtconsole; - - char *cgroup_path; - char **controllers, **reset_controllers; - - char **kill_only_users, **kill_exclude_users; - - bool kill_user_processes; - - unsigned long session_counter; - unsigned long inhibit_counter; - - Hashmap *session_cgroups; - Hashmap *user_cgroups; - - Hashmap *session_fds; - Hashmap *inhibitor_fds; - Hashmap *button_fds; - - /* If a shutdown was delayed due to a inhibitor this contains - the unit name we are supposed to start after the delay is - over */ - const char *delayed_unit; - InhibitWhat delayed_what; - usec_t delayed_timestamp; - - usec_t inhibit_delay_max; - - HandleButton handle_power_key; - HandleButton handle_suspend_key; - HandleButton handle_hibernate_key; - HandleButton handle_lid_switch; - - bool power_key_ignore_inhibited; - bool suspend_key_ignore_inhibited; - bool hibernate_key_ignore_inhibited; - bool lid_switch_ignore_inhibited; -}; - -enum { - FD_SEAT_UDEV, - FD_VCSA_UDEV, - FD_BUTTON_UDEV, - FD_CONSOLE, - FD_BUS, - FD_OTHER_BASE -}; - -Manager *manager_new(void); -void manager_free(Manager *m); - -int manager_add_device(Manager *m, const char *sysfs, Device **_device); -int manager_add_button(Manager *m, const char *name, Button **_button); -int manager_add_seat(Manager *m, const char *id, Seat **_seat); -int manager_add_session(Manager *m, User *u, const char *id, Session **_session); -int manager_add_user(Manager *m, uid_t uid, gid_t gid, const char *name, User **_user); -int manager_add_user_by_name(Manager *m, const char *name, User **_user); -int manager_add_user_by_uid(Manager *m, uid_t uid, User **_user); -int manager_add_inhibitor(Manager *m, const char* id, Inhibitor **_inhibitor); - -int manager_process_seat_device(Manager *m, struct udev_device *d); -int manager_process_button_device(Manager *m, struct udev_device *d); - -int manager_dispatch_seat_udev(Manager *m); -int manager_dispatch_vcsa_udev(Manager *m); -int manager_dispatch_button_udev(Manager *m); -int manager_dispatch_console(Manager *m); - -int manager_enumerate_devices(Manager *m); -int manager_enumerate_buttons(Manager *m); -int manager_enumerate_seats(Manager *m); -int manager_enumerate_sessions(Manager *m); -int manager_enumerate_users(Manager *m); -int manager_enumerate_inhibitors(Manager *m); - -int manager_startup(Manager *m); -int manager_run(Manager *m); -int manager_spawn_autovt(Manager *m, int vtnr); - -void manager_cgroup_notify_empty(Manager *m, const char *cgroup); - -void manager_gc(Manager *m, bool drop_not_started); - -int manager_get_idle_hint(Manager *m, dual_timestamp *t); - -int manager_get_user_by_cgroup(Manager *m, const char *cgroup, User **user); -int manager_get_session_by_cgroup(Manager *m, const char *cgroup, Session **session); -int manager_get_session_by_pid(Manager *m, pid_t pid, Session **session); - -extern const DBusObjectPathVTable bus_manager_vtable; - -DBusHandlerResult bus_message_filter(DBusConnection *c, DBusMessage *message, void *userdata); - -int bus_manager_shutdown_or_sleep_now_or_later(Manager *m, const char *unit_name, InhibitWhat w, DBusError *error); - -int manager_send_changed(Manager *manager, const char *properties); - -int manager_dispatch_delayed(Manager *manager); - -/* gperf lookup function */ -const struct ConfigPerfItem* logind_gperf_lookup(const char *key, unsigned length); diff --git a/src/login/multi-seat-x.c b/src/login/multi-seat-x.c deleted file mode 100644 index 83760d4191..0000000000 --- a/src/login/multi-seat-x.c +++ /dev/null @@ -1,108 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2011 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <string.h> -#include <unistd.h> - -#include "util.h" -#include "mkdir.h" - -int main(int argc, char *argv[]) { - - int i; - const char *seat = NULL; - char **new_argv; - _cleanup_free_ char *path = NULL; - int r; - _cleanup_fclose_ FILE *f = NULL; - - /* This binary will go away as soon as X natively takes the - * arguments in question as command line parameters, instead - * of requiring them in the configuration file. */ - - /* If this file is removed, don't forget to remove the code - * that invokes this in gdm and other display managers. */ - - for (i = 1; i < argc; i++) - if (streq(argv[i], "-seat")) - seat = argv[i+1]; - - if (isempty(seat) || streq(seat, "seat0")) { - argv[0] = (char*) X_SERVER; - execv(X_SERVER, argv); - log_error("Failed to execute real X server: %m"); - goto fail; - } - - r = mkdir_safe_label("/run/systemd/multi-session-x", 0755, 0, 0); - if (r < 0) { - log_error("Failed to create directory: %s", strerror(-r)); - goto fail; - } - - path = strappend("/run/systemd/multi-session-x/", seat); - if (!path) { - log_oom(); - goto fail; - } - - f = fopen(path, "we"); - if (!f) { - log_error("Failed to write configuration file: %m"); - goto fail; - } - - fprintf(f, - "Section \"ServerFlags\"\n" - " Option \"AutoAddDevices\" \"True\"\n" - " Option \"AllowEmptyInput\" \"True\"\n" - " Option \"DontVTSwitch\" \"True\"\n" - "EndSection\n" - "Section \"InputClass\"\n" - " Identifier \"Force Input Devices to Seat\"\n" - " Option \"GrabDevice\" \"True\"\n" - "EndSection\n"); - - fflush(f); - - if (ferror(f)) { - log_error("Failed to write configuration file: %m"); - goto fail; - } - - fclose(f); - f = NULL; - - new_argv = newa(char*, argc + 3 + 1); - memcpy(new_argv, argv, sizeof(char*) * (argc + 2 + 1)); - - new_argv[0] = (char*) X_SERVER; - new_argv[argc+0] = (char*) "-config"; - new_argv[argc+1] = path; - new_argv[argc+2] = (char*) "-sharevts"; - new_argv[argc+3] = NULL; - - execv(X_SERVER, new_argv); - log_error("Failed to execute real X server: %m"); - -fail: - return EXIT_FAILURE; -} diff --git a/src/login/org.freedesktop.login1.conf b/src/login/org.freedesktop.login1.conf deleted file mode 100644 index 5860fd9226..0000000000 --- a/src/login/org.freedesktop.login1.conf +++ /dev/null @@ -1,142 +0,0 @@ -<?xml version="1.0"?> <!--*-nxml-*--> -<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN" - "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd"> - -<!-- - This file is part of systemd. - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. ---> - -<busconfig> - - <policy user="root"> - <allow own="org.freedesktop.login1"/> - <allow send_destination="org.freedesktop.login1"/> - <allow receive_sender="org.freedesktop.login1"/> - </policy> - - <policy context="default"> - <deny send_destination="org.freedesktop.login1"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.DBus.Introspectable"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.DBus.Peer"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.DBus.Properties" - send_member="Get"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.DBus.Properties" - send_member="GetAll"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.login1.Manager" - send_member="GetSession"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.login1.Manager" - send_member="GetSessionByPID"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.login1.Manager" - send_member="GetUser"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.login1.Manager" - send_member="GetSeat"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.login1.Manager" - send_member="ListSessions"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.login1.Manager" - send_member="ListUsers"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.login1.Manager" - send_member="ListSeats"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.login1.Manager" - send_member="ListInhibitors"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.login1.Manager" - send_member="Inhibit"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.login1.Manager" - send_member="SetUserLinger"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.login1.Manager" - send_member="ActivateSession"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.login1.Manager" - send_member="ActivateSessionOnSeat"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.login1.Manager" - send_member="PowerOff"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.login1.Manager" - send_member="Reboot"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.login1.Manager" - send_member="Suspend"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.login1.Manager" - send_member="Hibernate"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.login1.Manager" - send_member="CanPowerOff"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.login1.Manager" - send_member="CanReboot"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.login1.Manager" - send_member="CanSuspend"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.login1.Manager" - send_member="CanHibernate"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.login1.Manager" - send_member="AttachDevice"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.login1.Manager" - send_member="FlushDevices"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.login1.Seat" - send_member="ActivateSession"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.login1.Session" - send_member="Activate"/> - - <allow send_destination="org.freedesktop.login1" - send_interface="org.freedesktop.login1.Session" - send_member="SetIdleHint"/> - - <allow receive_sender="org.freedesktop.login1"/> - </policy> - -</busconfig> diff --git a/src/login/org.freedesktop.login1.policy.in b/src/login/org.freedesktop.login1.policy.in deleted file mode 100644 index 57dfb2a8b6..0000000000 --- a/src/login/org.freedesktop.login1.policy.in +++ /dev/null @@ -1,259 +0,0 @@ -<?xml version="1.0" encoding="UTF-8"?> <!--*-nxml-*--> -<!DOCTYPE policyconfig PUBLIC "-//freedesktop//DTD PolicyKit Policy Configuration 1.0//EN" - "http://www.freedesktop.org/standards/PolicyKit/1/policyconfig.dtd"> - -<!-- - This file is part of systemd. - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. ---> - -<policyconfig> - - <vendor>The systemd Project</vendor> - <vendor_url>http://www.freedesktop.org/wiki/Software/systemd</vendor_url> - - <action id="org.freedesktop.login1.inhibit-block-shutdown"> - <_description>Allow applications to inhibit system shutdown</_description> - <_message>Authentication is required to allow an application to inhibit system shutdown.</_message> - <defaults> - <allow_any>no</allow_any> - <allow_inactive>yes</allow_inactive> - <allow_active>yes</allow_active> - </defaults> - </action> - - <action id="org.freedesktop.login1.inhibit-delay-shutdown"> - <_description>Allow applications to delay system shutdown</_description> - <_message>Authentication is required to allow an application to delay system shutdown.</_message> - <defaults> - <allow_any>yes</allow_any> - <allow_inactive>yes</allow_inactive> - <allow_active>yes</allow_active> - </defaults> - </action> - - <action id="org.freedesktop.login1.inhibit-block-sleep"> - <_description>Allow applications to inhibit system sleep</_description> - <_message>Authentication is required to allow an application to inhibit system sleep.</_message> - <defaults> - <allow_any>no</allow_any> - <allow_inactive>yes</allow_inactive> - <allow_active>yes</allow_active> - </defaults> - </action> - - <action id="org.freedesktop.login1.inhibit-delay-sleep"> - <_description>Allow applications to delay system sleep</_description> - <_message>Authentication is required to allow an application to delay system sleep.</_message> - <defaults> - <allow_any>yes</allow_any> - <allow_inactive>yes</allow_inactive> - <allow_active>yes</allow_active> - </defaults> - </action> - - <action id="org.freedesktop.login1.inhibit-block-idle"> - <_description>Allow applications to inhibit automatic system suspend</_description> - <_message>Authentication is required to allow an application to inhibit automatic system suspend.</_message> - <defaults> - <allow_any>yes</allow_any> - <allow_inactive>yes</allow_inactive> - <allow_active>yes</allow_active> - </defaults> - </action> - - <action id="org.freedesktop.login1.inhibit-handle-power-key"> - <_description>Allow applications to inhibit system handling of the power key</_description> - <_message>Authentication is required to allow an application to inhibit system handling of the power key.</_message> - <defaults> - <allow_any>no</allow_any> - <allow_inactive>yes</allow_inactive> - <allow_active>yes</allow_active> - </defaults> - </action> - - <action id="org.freedesktop.login1.inhibit-handle-suspend-key"> - <_description>Allow applications to inhibit system handling of the suspend key</_description> - <_message>Authentication is required to allow an application to inhibit system handling of the suspend key.</_message> - <defaults> - <allow_any>no</allow_any> - <allow_inactive>yes</allow_inactive> - <allow_active>yes</allow_active> - </defaults> - </action> - - <action id="org.freedesktop.login1.inhibit-handle-hibernate-key"> - <_description>Allow applications to inhibit system handling of the hibernate key</_description> - <_message>Authentication is required to allow an application to inhibit system handling of the hibernate key.</_message> - <defaults> - <allow_any>no</allow_any> - <allow_inactive>yes</allow_inactive> - <allow_active>yes</allow_active> - </defaults> - </action> - - <action id="org.freedesktop.login1.inhibit-handle-lid-switch"> - <_description>Allow applications to inhibit system handling of the lid switch</_description> - <_message>Authentication is required to allow an application to inhibit system handling of the lid switch.</_message> - <defaults> - <allow_any>no</allow_any> - <allow_inactive>yes</allow_inactive> - <allow_active>yes</allow_active> - </defaults> - </action> - - <action id="org.freedesktop.login1.set-user-linger"> - <_description>Allow non-logged-in users to run programs</_description> - <_message>Authentication is required to allow a non-logged-in user to run programs.</_message> - <defaults> - <allow_any>auth_admin_keep</allow_any> - <allow_inactive>auth_admin_keep</allow_inactive> - <allow_active>auth_admin_keep</allow_active> - </defaults> - </action> - - <action id="org.freedesktop.login1.attach-device"> - <_description>Allow attaching devices to seats</_description> - <_message>Authentication is required for attaching a device to a seat.</_message> - <defaults> - <allow_any>auth_admin_keep</allow_any> - <allow_inactive>auth_admin_keep</allow_inactive> - <allow_active>auth_admin_keep</allow_active> - </defaults> - </action> - - <action id="org.freedesktop.login1.flush-devices"> - <_description>Flush device to seat attachments</_description> - <_message>Authentication is required for resetting how devices are attached to seats.</_message> - <defaults> - <allow_any>auth_admin_keep</allow_any> - <allow_inactive>auth_admin_keep</allow_inactive> - <allow_active>auth_admin_keep</allow_active> - </defaults> - </action> - - <action id="org.freedesktop.login1.power-off"> - <_description>Power off the system</_description> - <_message>Authentication is required for powering off the system.</_message> - <defaults> - <allow_any>auth_admin_keep</allow_any> - <allow_inactive>auth_admin_keep</allow_inactive> - <allow_active>yes</allow_active> - </defaults> - </action> - - <action id="org.freedesktop.login1.power-off-multiple-sessions"> - <_description>Power off the system while other users are logged in</_description> - <_message>Authentication is required for powering off the system while other users are logged in.</_message> - <defaults> - <allow_any>auth_admin_keep</allow_any> - <allow_inactive>auth_admin_keep</allow_inactive> - <allow_active>auth_admin_keep</allow_active> - </defaults> - </action> - - <action id="org.freedesktop.login1.power-off-ignore-inhibit"> - <_description>Power off the system while an application asked to inhibit it</_description> - <_message>Authentication is required for powering off the system while an application asked to inhibit it.</_message> - <defaults> - <allow_any>auth_admin_keep</allow_any> - <allow_inactive>auth_admin_keep</allow_inactive> - <allow_active>auth_admin_keep</allow_active> - </defaults> - </action> - - <action id="org.freedesktop.login1.reboot"> - <_description>Reboot the system</_description> - <_message>Authentication is required for rebooting the system.</_message> - <defaults> - <allow_any>auth_admin_keep</allow_any> - <allow_inactive>auth_admin_keep</allow_inactive> - <allow_active>yes</allow_active> - </defaults> - </action> - - <action id="org.freedesktop.login1.reboot-multiple-sessions"> - <_description>Reboot the system while other users are logged in</_description> - <_message>Authentication is required for rebooting the system while other users are logged in.</_message> - <defaults> - <allow_any>auth_admin_keep</allow_any> - <allow_inactive>auth_admin_keep</allow_inactive> - <allow_active>auth_admin_keep</allow_active> - </defaults> - </action> - - <action id="org.freedesktop.login1.reboot-ignore-inhibit"> - <_description>Reboot the system while an application asked to inhibit it</_description> - <_message>Authentication is required for rebooting the system while an application asked to inhibit it.</_message> - <defaults> - <allow_any>auth_admin_keep</allow_any> - <allow_inactive>auth_admin_keep</allow_inactive> - <allow_active>auth_admin_keep</allow_active> - </defaults> - </action> - - <action id="org.freedesktop.login1.suspend"> - <_description>Suspend the system</_description> - <_message>Authentication is required for suspending the system.</_message> - <defaults> - <allow_any>auth_admin_keep</allow_any> - <allow_inactive>auth_admin_keep</allow_inactive> - <allow_active>yes</allow_active> - </defaults> - </action> - - <action id="org.freedesktop.login1.suspend-multiple-sessions"> - <_description>Suspend the system while other users are logged in</_description> - <_message>Authentication is required for suspending the system while other users are logged in.</_message> - <defaults> - <allow_any>auth_admin_keep</allow_any> - <allow_inactive>auth_admin_keep</allow_inactive> - <allow_active>yes</allow_active> - </defaults> - </action> - - <action id="org.freedesktop.login1.suspend-ignore-inhibit"> - <_description>Suspend the system while an application asked to inhibit it</_description> - <_message>Authentication is required for suspending the system while an application asked to inhibit it.</_message> - <defaults> - <allow_any>auth_admin_keep</allow_any> - <allow_inactive>auth_admin_keep</allow_inactive> - <allow_active>auth_admin_keep</allow_active> - </defaults> - </action> - - <action id="org.freedesktop.login1.hibernate"> - <_description>Hibernate the system</_description> - <_message>Authentication is required for hibernating the system.</_message> - <defaults> - <allow_any>auth_admin_keep</allow_any> - <allow_inactive>auth_admin_keep</allow_inactive> - <allow_active>yes</allow_active> - </defaults> - </action> - - <action id="org.freedesktop.login1.hibernate-multiple-sessions"> - <_description>Hibernate the system while other users are logged in</_description> - <_message>Authentication is required for hibernating the system while other users are logged in.</_message> - <defaults> - <allow_any>auth_admin_keep</allow_any> - <allow_inactive>auth_admin_keep</allow_inactive> - <allow_active>auth_admin_keep</allow_active> - </defaults> - </action> - - <action id="org.freedesktop.login1.hibernate-ignore-inhibit"> - <_description>Hibernate the system while an application asked to inhibit it</_description> - <_message>Authentication is required for hibernating the system while an application asked to inhibit it.</_message> - <defaults> - <allow_any>auth_admin_keep</allow_any> - <allow_inactive>auth_admin_keep</allow_inactive> - <allow_active>auth_admin_keep</allow_active> - </defaults> - </action> - -</policyconfig> diff --git a/src/login/org.freedesktop.login1.service b/src/login/org.freedesktop.login1.service deleted file mode 100644 index 762dae2bb3..0000000000 --- a/src/login/org.freedesktop.login1.service +++ /dev/null @@ -1,12 +0,0 @@ -# This file is part of systemd. -# -# systemd is free software; you can redistribute it and/or modify it -# under the terms of the GNU Lesser General Public License as published by -# the Free Software Foundation; either version 2.1 of the License, or -# (at your option) any later version. - -[D-BUS Service] -Name=org.freedesktop.login1 -Exec=/bin/false -User=root -SystemdService=dbus-org.freedesktop.login1.service diff --git a/src/login/pam-module.c b/src/login/pam-module.c deleted file mode 100644 index 08a9328b65..0000000000 --- a/src/login/pam-module.c +++ /dev/null @@ -1,716 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2010 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <errno.h> -#include <fcntl.h> -#include <sys/file.h> -#include <pwd.h> -#include <endian.h> -#include <sys/capability.h> - -#include <security/pam_modules.h> -#include <security/_pam_macros.h> -#include <security/pam_modutil.h> -#include <security/pam_ext.h> -#include <security/pam_misc.h> - -#include <systemd/sd-daemon.h> - -#include "util.h" -#include "audit.h" -#include "macro.h" -#include "strv.h" -#include "dbus-common.h" -#include "def.h" -#include "socket-util.h" - -static int parse_argv(pam_handle_t *handle, - int argc, const char **argv, - char ***controllers, - char ***reset_controllers, - bool *kill_processes, - char ***kill_only_users, - char ***kill_exclude_users, - bool *debug) { - - unsigned i; - - assert(argc >= 0); - assert(argc == 0 || argv); - - for (i = 0; i < (unsigned) argc; i++) { - int k; - - if (startswith(argv[i], "kill-session-processes=")) { - if ((k = parse_boolean(argv[i] + 23)) < 0) { - pam_syslog(handle, LOG_ERR, "Failed to parse kill-session-processes= argument."); - return k; - } - - if (kill_processes) - *kill_processes = k; - - } else if (startswith(argv[i], "kill-session=")) { - /* As compatibility for old versions */ - - if ((k = parse_boolean(argv[i] + 13)) < 0) { - pam_syslog(handle, LOG_ERR, "Failed to parse kill-session= argument."); - return k; - } - - if (kill_processes) - *kill_processes = k; - - } else if (startswith(argv[i], "controllers=")) { - - if (controllers) { - char **l; - - if (!(l = strv_split(argv[i] + 12, ","))) { - pam_syslog(handle, LOG_ERR, "Out of memory."); - return -ENOMEM; - } - - strv_free(*controllers); - *controllers = l; - } - - } else if (startswith(argv[i], "reset-controllers=")) { - - if (reset_controllers) { - char **l; - - if (!(l = strv_split(argv[i] + 18, ","))) { - pam_syslog(handle, LOG_ERR, "Out of memory."); - return -ENOMEM; - } - - strv_free(*reset_controllers); - *reset_controllers = l; - } - - } else if (startswith(argv[i], "kill-only-users=")) { - - if (kill_only_users) { - char **l; - - if (!(l = strv_split(argv[i] + 16, ","))) { - pam_syslog(handle, LOG_ERR, "Out of memory."); - return -ENOMEM; - } - - strv_free(*kill_only_users); - *kill_only_users = l; - } - - } else if (startswith(argv[i], "kill-exclude-users=")) { - - if (kill_exclude_users) { - char **l; - - if (!(l = strv_split(argv[i] + 19, ","))) { - pam_syslog(handle, LOG_ERR, "Out of memory."); - return -ENOMEM; - } - - strv_free(*kill_exclude_users); - *kill_exclude_users = l; - } - - } else if (startswith(argv[i], "debug=")) { - if ((k = parse_boolean(argv[i] + 6)) < 0) { - pam_syslog(handle, LOG_ERR, "Failed to parse debug= argument."); - return k; - } - - if (debug) - *debug = k; - - } else if (startswith(argv[i], "create-session=") || - startswith(argv[i], "kill-user=")) { - - pam_syslog(handle, LOG_WARNING, "Option %s not supported anymore, ignoring.", argv[i]); - - } else { - pam_syslog(handle, LOG_ERR, "Unknown parameter '%s'.", argv[i]); - return -EINVAL; - } - } - - return 0; -} - -static int get_user_data( - pam_handle_t *handle, - const char **ret_username, - struct passwd **ret_pw) { - - const char *username = NULL; - struct passwd *pw = NULL; - uid_t uid; - int r; - - assert(handle); - assert(ret_username); - assert(ret_pw); - - r = audit_loginuid_from_pid(0, &uid); - if (r >= 0) - pw = pam_modutil_getpwuid(handle, uid); - else { - r = pam_get_user(handle, &username, NULL); - if (r != PAM_SUCCESS) { - pam_syslog(handle, LOG_ERR, "Failed to get user name."); - return r; - } - - if (isempty(username)) { - pam_syslog(handle, LOG_ERR, "User name not valid."); - return PAM_AUTH_ERR; - } - - pw = pam_modutil_getpwnam(handle, username); - } - - if (!pw) { - pam_syslog(handle, LOG_ERR, "Failed to get user data."); - return PAM_USER_UNKNOWN; - } - - *ret_pw = pw; - *ret_username = username ? username : pw->pw_name; - - return PAM_SUCCESS; -} - -static bool check_user_lists( - pam_handle_t *handle, - uid_t uid, - char **kill_only_users, - char **kill_exclude_users) { - - const char *name = NULL; - char **l; - - assert(handle); - - if (uid == 0) - name = "root"; /* Avoid obvious NSS requests, to suppress network traffic */ - else { - struct passwd *pw; - - pw = pam_modutil_getpwuid(handle, uid); - if (pw) - name = pw->pw_name; - } - - STRV_FOREACH(l, kill_exclude_users) { - uid_t u; - - if (parse_uid(*l, &u) >= 0) - if (u == uid) - return false; - - if (name && streq(name, *l)) - return false; - } - - if (strv_isempty(kill_only_users)) - return true; - - STRV_FOREACH(l, kill_only_users) { - uid_t u; - - if (parse_uid(*l, &u) >= 0) - if (u == uid) - return true; - - if (name && streq(name, *l)) - return true; - } - - return false; -} - -static int get_seat_from_display(const char *display, const char **seat, uint32_t *vtnr) { - char *p = NULL; - int r; - int fd; - union sockaddr_union sa; - struct ucred ucred; - socklen_t l; - char *tty; - int v; - - assert(display); - assert(vtnr); - - /* We deduce the X11 socket from the display name, then use - * SO_PEERCRED to determine the X11 server process, ask for - * the controlling tty of that and if it's a VC then we know - * the seat and the virtual terminal. Sounds ugly, is only - * semi-ugly. */ - - r = socket_from_display(display, &p); - if (r < 0) - return r; - - fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC, 0); - if (fd < 0) { - free(p); - return -errno; - } - - zero(sa); - sa.un.sun_family = AF_UNIX; - strncpy(sa.un.sun_path, p, sizeof(sa.un.sun_path)-1); - free(p); - - if (connect(fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + strlen(sa.un.sun_path)) < 0) { - close_nointr_nofail(fd); - return -errno; - } - - l = sizeof(ucred); - r = getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &ucred, &l); - close_nointr_nofail(fd); - - if (r < 0) - return -errno; - - r = get_ctty(ucred.pid, NULL, &tty); - if (r < 0) - return r; - - v = vtnr_from_tty(tty); - free(tty); - - if (v < 0) - return v; - else if (v == 0) - return -ENOENT; - - if (seat) - *seat = "seat0"; - *vtnr = (uint32_t) v; - - return 0; -} - -_public_ PAM_EXTERN int pam_sm_open_session( - pam_handle_t *handle, - int flags, - int argc, const char **argv) { - - struct passwd *pw; - bool kill_processes = false, debug = false; - const char *username, *id, *object_path, *runtime_path, *service = NULL, *tty = NULL, *display = NULL, *remote_user = NULL, *remote_host = NULL, *seat = NULL, *type, *class, *cvtnr = NULL; - char **controllers = NULL, **reset_controllers = NULL, **kill_only_users = NULL, **kill_exclude_users = NULL; - DBusError error; - uint32_t uid, pid; - DBusMessageIter iter; - dbus_bool_t kp; - int session_fd = -1; - DBusConnection *bus = NULL; - DBusMessage *m = NULL, *reply = NULL; - dbus_bool_t remote, existing; - int r; - uint32_t vtnr = 0; - - assert(handle); - - dbus_error_init(&error); - - /* pam_syslog(handle, LOG_INFO, "pam-systemd initializing"); */ - - /* Make this a NOP on non-systemd systems */ - if (sd_booted() <= 0) - return PAM_SUCCESS; - - if (parse_argv(handle, - argc, argv, - &controllers, &reset_controllers, - &kill_processes, &kill_only_users, &kill_exclude_users, - &debug) < 0) { - r = PAM_SESSION_ERR; - goto finish; - } - - r = get_user_data(handle, &username, &pw); - if (r != PAM_SUCCESS) - goto finish; - - /* Make sure we don't enter a loop by talking to - * systemd-logind when it is actually waiting for the - * background to finish start-up. If the service is - * "systemd-shared" we simply set XDG_RUNTIME_DIR and - * leave. */ - - pam_get_item(handle, PAM_SERVICE, (const void**) &service); - if (streq_ptr(service, "systemd-shared")) { - char *p, *rt = NULL; - - if (asprintf(&p, "/run/systemd/users/%lu", (unsigned long) pw->pw_uid) < 0) { - r = PAM_BUF_ERR; - goto finish; - } - - r = parse_env_file(p, NEWLINE, - "RUNTIME", &rt, - NULL); - free(p); - - if (r < 0 && r != -ENOENT) { - r = PAM_SESSION_ERR; - free(rt); - goto finish; - } - - if (rt) { - r = pam_misc_setenv(handle, "XDG_RUNTIME_DIR", rt, 0); - free(rt); - - if (r != PAM_SUCCESS) { - pam_syslog(handle, LOG_ERR, "Failed to set runtime dir."); - goto finish; - } - } - - r = PAM_SUCCESS; - goto finish; - } - - if (kill_processes) - kill_processes = check_user_lists(handle, pw->pw_uid, kill_only_users, kill_exclude_users); - - dbus_connection_set_change_sigpipe(FALSE); - - bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error); - if (!bus) { - pam_syslog(handle, LOG_ERR, "Failed to connect to system bus: %s", bus_error_message(&error)); - r = PAM_SESSION_ERR; - goto finish; - } - - m = dbus_message_new_method_call( - "org.freedesktop.login1", - "/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - "CreateSession"); - if (!m) { - pam_syslog(handle, LOG_ERR, "Could not allocate create session message."); - r = PAM_BUF_ERR; - goto finish; - } - - uid = pw->pw_uid; - pid = getpid(); - - pam_get_item(handle, PAM_XDISPLAY, (const void**) &display); - pam_get_item(handle, PAM_TTY, (const void**) &tty); - pam_get_item(handle, PAM_RUSER, (const void**) &remote_user); - pam_get_item(handle, PAM_RHOST, (const void**) &remote_host); - - seat = pam_getenv(handle, "XDG_SEAT"); - if (isempty(seat)) - seat = getenv("XDG_SEAT"); - - cvtnr = pam_getenv(handle, "XDG_VTNR"); - if (isempty(cvtnr)) - cvtnr = getenv("XDG_VTNR"); - - service = strempty(service); - tty = strempty(tty); - display = strempty(display); - remote_user = strempty(remote_user); - remote_host = strempty(remote_host); - seat = strempty(seat); - - if (strchr(tty, ':')) { - /* A tty with a colon is usually an X11 display, place - * there to show up in utmp. We rearrange things and - * don't pretend that an X display was a tty */ - - if (isempty(display)) - display = tty; - tty = ""; - } else if (streq(tty, "cron")) { - /* cron has been setting PAM_TTY to "cron" for a very long time - * and it cannot stop doing that for compatibility reasons. */ - tty = ""; - } - - /* If this fails vtnr will be 0, that's intended */ - if (!isempty(cvtnr)) - safe_atou32(cvtnr, &vtnr); - - if (!isempty(display) && vtnr <= 0) { - if (isempty(seat)) - get_seat_from_display(display, &seat, &vtnr); - else if (streq(seat, "seat0")) - get_seat_from_display(display, NULL, &vtnr); - } - - type = !isempty(display) ? "x11" : - !isempty(tty) ? "tty" : "unspecified"; - - class = pam_getenv(handle, "XDG_SESSION_CLASS"); - if (isempty(class)) - class = getenv("XDG_SESSION_CLASS"); - if (isempty(class)) - class = "user"; - - remote = !isempty(remote_host) && - !streq(remote_host, "localhost") && - !streq(remote_host, "localhost.localdomain"); - - if (!dbus_message_append_args(m, - DBUS_TYPE_UINT32, &uid, - DBUS_TYPE_UINT32, &pid, - DBUS_TYPE_STRING, &service, - DBUS_TYPE_STRING, &type, - DBUS_TYPE_STRING, &class, - DBUS_TYPE_STRING, &seat, - DBUS_TYPE_UINT32, &vtnr, - DBUS_TYPE_STRING, &tty, - DBUS_TYPE_STRING, &display, - DBUS_TYPE_BOOLEAN, &remote, - DBUS_TYPE_STRING, &remote_user, - DBUS_TYPE_STRING, &remote_host, - DBUS_TYPE_INVALID)) { - pam_syslog(handle, LOG_ERR, "Could not attach parameters to message."); - r = PAM_BUF_ERR; - goto finish; - } - - dbus_message_iter_init_append(m, &iter); - - r = bus_append_strv_iter(&iter, controllers); - if (r < 0) { - pam_syslog(handle, LOG_ERR, "Could not attach parameter to message."); - r = PAM_BUF_ERR; - goto finish; - } - - r = bus_append_strv_iter(&iter, reset_controllers); - if (r < 0) { - pam_syslog(handle, LOG_ERR, "Could not attach parameter to message."); - r = PAM_BUF_ERR; - goto finish; - } - - kp = kill_processes; - if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &kp)) { - pam_syslog(handle, LOG_ERR, "Could not attach parameter to message."); - r = PAM_BUF_ERR; - goto finish; - } - - if (debug) - pam_syslog(handle, LOG_DEBUG, "Asking logind to create session: " - "uid=%u pid=%u service=%s type=%s class=%s seat=%s vtnr=%u tty=%s display=%s remote=%s remote_user=%s remote_host=%s", - uid, pid, service, type, class, seat, vtnr, tty, display, yes_no(remote), remote_user, remote_host); - - reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error); - if (!reply) { - pam_syslog(handle, LOG_ERR, "Failed to create session: %s", bus_error_message(&error)); - r = PAM_SESSION_ERR; - goto finish; - } - - if (!dbus_message_get_args(reply, &error, - DBUS_TYPE_STRING, &id, - DBUS_TYPE_OBJECT_PATH, &object_path, - DBUS_TYPE_STRING, &runtime_path, - DBUS_TYPE_UNIX_FD, &session_fd, - DBUS_TYPE_STRING, &seat, - DBUS_TYPE_UINT32, &vtnr, - DBUS_TYPE_BOOLEAN, &existing, - DBUS_TYPE_INVALID)) { - pam_syslog(handle, LOG_ERR, "Failed to parse message: %s", bus_error_message(&error)); - r = PAM_SESSION_ERR; - goto finish; - } - - if (debug) - pam_syslog(handle, LOG_DEBUG, "Reply from logind: " - "id=%s object_path=%s runtime_path=%s session_fd=%d seat=%s vtnr=%u", - id, object_path, runtime_path, session_fd, seat, vtnr); - - r = pam_misc_setenv(handle, "XDG_SESSION_ID", id, 0); - if (r != PAM_SUCCESS) { - pam_syslog(handle, LOG_ERR, "Failed to set session id."); - goto finish; - } - - r = pam_misc_setenv(handle, "XDG_RUNTIME_DIR", runtime_path, 0); - if (r != PAM_SUCCESS) { - pam_syslog(handle, LOG_ERR, "Failed to set runtime dir."); - goto finish; - } - - if (!isempty(seat)) { - r = pam_misc_setenv(handle, "XDG_SEAT", seat, 0); - if (r != PAM_SUCCESS) { - pam_syslog(handle, LOG_ERR, "Failed to set seat."); - goto finish; - } - } - - if (vtnr > 0) { - char buf[11]; - snprintf(buf, sizeof(buf), "%u", vtnr); - char_array_0(buf); - - r = pam_misc_setenv(handle, "XDG_VTNR", buf, 0); - if (r != PAM_SUCCESS) { - pam_syslog(handle, LOG_ERR, "Failed to set virtual terminal number."); - goto finish; - } - } - - r = pam_set_data(handle, "systemd.existing", INT_TO_PTR(!!existing), NULL); - if (r != PAM_SUCCESS) { - pam_syslog(handle, LOG_ERR, "Failed to install existing flag."); - return r; - } - - if (session_fd >= 0) { - r = pam_set_data(handle, "systemd.session-fd", INT_TO_PTR(session_fd+1), NULL); - if (r != PAM_SUCCESS) { - pam_syslog(handle, LOG_ERR, "Failed to install session fd."); - return r; - } - } - - session_fd = -1; - - r = PAM_SUCCESS; - -finish: - strv_free(controllers); - strv_free(reset_controllers); - strv_free(kill_only_users); - strv_free(kill_exclude_users); - - dbus_error_free(&error); - - if (bus) { - dbus_connection_close(bus); - dbus_connection_unref(bus); - } - - if (m) - dbus_message_unref(m); - - if (reply) - dbus_message_unref(reply); - - if (session_fd >= 0) - close_nointr_nofail(session_fd); - - return r; -} - -_public_ PAM_EXTERN int pam_sm_close_session( - pam_handle_t *handle, - int flags, - int argc, const char **argv) { - - const void *p = NULL, *existing = NULL; - const char *id; - DBusConnection *bus = NULL; - DBusMessage *m = NULL, *reply = NULL; - DBusError error; - int r; - - assert(handle); - - dbus_error_init(&error); - - /* Only release session if it wasn't pre-existing when we - * tried to create it */ - pam_get_data(handle, "systemd.existing", &existing); - - id = pam_getenv(handle, "XDG_SESSION_ID"); - if (id && !existing) { - - /* Before we go and close the FIFO we need to tell - * logind that this is a clean session shutdown, so - * that it doesn't just go and slaughter us - * immediately after closing the fd */ - - bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error); - if (!bus) { - pam_syslog(handle, LOG_ERR, "Failed to connect to system bus: %s", bus_error_message(&error)); - r = PAM_SESSION_ERR; - goto finish; - } - - m = dbus_message_new_method_call( - "org.freedesktop.login1", - "/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - "ReleaseSession"); - if (!m) { - pam_syslog(handle, LOG_ERR, "Could not allocate release session message."); - r = PAM_BUF_ERR; - goto finish; - } - - if (!dbus_message_append_args(m, - DBUS_TYPE_STRING, &id, - DBUS_TYPE_INVALID)) { - pam_syslog(handle, LOG_ERR, "Could not attach parameters to message."); - r = PAM_BUF_ERR; - goto finish; - } - - reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error); - if (!reply) { - pam_syslog(handle, LOG_ERR, "Failed to release session: %s", bus_error_message(&error)); - r = PAM_SESSION_ERR; - goto finish; - } - } - - r = PAM_SUCCESS; - -finish: - pam_get_data(handle, "systemd.session-fd", &p); - if (p) - close_nointr(PTR_TO_INT(p) - 1); - - dbus_error_free(&error); - - if (bus) { - dbus_connection_close(bus); - dbus_connection_unref(bus); - } - - if (m) - dbus_message_unref(m); - - if (reply) - dbus_message_unref(reply); - - return r; -} diff --git a/src/login/sd-login.c b/src/login/sd-login.c deleted file mode 100644 index 45e3bb8dcd..0000000000 --- a/src/login/sd-login.c +++ /dev/null @@ -1,794 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2011 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <unistd.h> -#include <string.h> -#include <errno.h> -#include <sys/inotify.h> - -#include "util.h" -#include "cgroup-util.h" -#include "macro.h" -#include "sd-login.h" -#include "strv.h" - -_public_ int sd_pid_get_session(pid_t pid, char **session) { - int r; - char *cgroup, *p; - - if (pid < 0) - return -EINVAL; - - if (!session) - return -EINVAL; - - r = cg_pid_get_cgroup(pid, NULL, &cgroup); - if (r < 0) - return r; - - if (!startswith(cgroup, "/user/")) { - free(cgroup); - return -ENOENT; - } - - p = strchr(cgroup + 6, '/'); - if (!p) { - free(cgroup); - return -ENOENT; - } - - p++; - if (startswith(p, "shared/") || streq(p, "shared")) { - free(cgroup); - return -ENOENT; - } - - p = strndup(p, strcspn(p, "/")); - free(cgroup); - - if (!p) - return -ENOMEM; - - *session = p; - return 0; -} - -_public_ int sd_pid_get_unit(pid_t pid, char **unit) { - - if (pid < 0) - return -EINVAL; - - if (!unit) - return -EINVAL; - - return cg_pid_get_unit(pid, unit); -} - -_public_ int sd_pid_get_owner_uid(pid_t pid, uid_t *uid) { - int r; - char *root, *cgroup, *p, *cc; - struct stat st; - - if (pid < 0) - return -EINVAL; - - if (!uid) - return -EINVAL; - - r = cg_pid_get_cgroup(pid, &root, &cgroup); - if (r < 0) - return r; - - if (!startswith(cgroup, "/user/")) { - free(cgroup); - free(root); - return -ENOENT; - } - - p = strchr(cgroup + 6, '/'); - if (!p) { - free(cgroup); - return -ENOENT; - } - - p++; - p += strcspn(p, "/"); - *p = 0; - - r = cg_get_path(SYSTEMD_CGROUP_CONTROLLER, root, cgroup, &cc); - free(root); - free(cgroup); - - if (r < 0) - return -ENOMEM; - - r = lstat(cc, &st); - free(cc); - - if (r < 0) - return -errno; - - if (!S_ISDIR(st.st_mode)) - return -ENOTDIR; - - *uid = st.st_uid; - return 0; -} - -_public_ int sd_uid_get_state(uid_t uid, char**state) { - char *p, *s = NULL; - int r; - - if (!state) - return -EINVAL; - - if (asprintf(&p, "/run/systemd/users/%lu", (unsigned long) uid) < 0) - return -ENOMEM; - - r = parse_env_file(p, NEWLINE, "STATE", &s, NULL); - free(p); - - if (r == -ENOENT) { - free(s); - s = strdup("offline"); - if (!s) - return -ENOMEM; - - *state = s; - return 0; - } else if (r < 0) { - free(s); - return r; - } else if (!s) - return -EIO; - - *state = s; - return 0; -} - -_public_ int sd_uid_is_on_seat(uid_t uid, int require_active, const char *seat) { - char *p, *w, *t, *state, *s = NULL; - size_t l; - int r; - const char *variable; - - if (!seat) - return -EINVAL; - - variable = require_active ? "ACTIVE_UID" : "UIDS"; - - p = strappend("/run/systemd/seats/", seat); - if (!p) - return -ENOMEM; - - r = parse_env_file(p, NEWLINE, variable, &s, NULL); - free(p); - - if (r < 0) { - free(s); - return r; - } - - if (!s) - return -EIO; - - if (asprintf(&t, "%lu", (unsigned long) uid) < 0) { - free(s); - return -ENOMEM; - } - - FOREACH_WORD(w, l, s, state) { - if (strncmp(t, w, l) == 0) { - free(s); - free(t); - - return 1; - } - } - - free(s); - free(t); - - return 0; -} - -static int uid_get_array(uid_t uid, const char *variable, char ***array) { - char *p, *s = NULL; - char **a; - int r; - - if (asprintf(&p, "/run/systemd/users/%lu", (unsigned long) uid) < 0) - return -ENOMEM; - - r = parse_env_file(p, NEWLINE, - variable, &s, - NULL); - free(p); - - if (r < 0) { - free(s); - - if (r == -ENOENT) { - if (array) - *array = NULL; - return 0; - } - - return r; - } - - if (!s) { - if (array) - *array = NULL; - return 0; - } - - a = strv_split(s, " "); - free(s); - - if (!a) - return -ENOMEM; - - strv_uniq(a); - r = strv_length(a); - - if (array) - *array = a; - else - strv_free(a); - - return r; -} - -_public_ int sd_uid_get_sessions(uid_t uid, int require_active, char ***sessions) { - return uid_get_array( - uid, - require_active == 0 ? "ONLINE_SESSIONS" : - require_active > 0 ? "ACTIVE_SESSIONS" : - "SESSIONS", - sessions); -} - -_public_ int sd_uid_get_seats(uid_t uid, int require_active, char ***seats) { - return uid_get_array( - uid, - require_active == 0 ? "ONLINE_SEATS" : - require_active > 0 ? "ACTIVE_SEATS" : - "SEATS", - seats); -} - -static int file_of_session(const char *session, char **_p) { - char *p; - int r; - - assert(_p); - - if (session) - p = strappend("/run/systemd/sessions/", session); - else { - char *buf; - - r = sd_pid_get_session(0, &buf); - if (r < 0) - return r; - - p = strappend("/run/systemd/sessions/", buf); - free(buf); - } - - if (!p) - return -ENOMEM; - - *_p = p; - return 0; -} - -_public_ int sd_session_is_active(const char *session) { - int r; - char *p, *s = NULL; - - r = file_of_session(session, &p); - if (r < 0) - return r; - - r = parse_env_file(p, NEWLINE, "ACTIVE", &s, NULL); - free(p); - - if (r < 0) { - free(s); - return r; - } - - if (!s) - return -EIO; - - r = parse_boolean(s); - free(s); - - return r; -} - -_public_ int sd_session_get_state(const char *session, char **state) { - char *p, *s = NULL; - int r; - - if (!state) - return -EINVAL; - - r = file_of_session(session, &p); - if (r < 0) - return r; - - r = parse_env_file(p, NEWLINE, "STATE", &s, NULL); - free(p); - - if (r < 0) { - free(s); - return r; - } else if (!s) - return -EIO; - - *state = s; - return 0; -} - -_public_ int sd_session_get_uid(const char *session, uid_t *uid) { - int r; - char *p, *s = NULL; - - if (!uid) - return -EINVAL; - - r = file_of_session(session, &p); - if (r < 0) - return r; - - r = parse_env_file(p, NEWLINE, "UID", &s, NULL); - free(p); - - if (r < 0) { - free(s); - return r; - } - - if (!s) - return -EIO; - - r = parse_uid(s, uid); - free(s); - - return r; -} - -static int session_get_string(const char *session, const char *field, char **value) { - char *p, *s = NULL; - int r; - - if (!value) - return -EINVAL; - - r = file_of_session(session, &p); - if (r < 0) - return r; - - r = parse_env_file(p, NEWLINE, field, &s, NULL); - free(p); - - if (r < 0) { - free(s); - return r; - } - - if (isempty(s)) - return -ENOENT; - - *value = s; - return 0; -} - -_public_ int sd_session_get_seat(const char *session, char **seat) { - return session_get_string(session, "SEAT", seat); -} - -_public_ int sd_session_get_service(const char *session, char **service) { - return session_get_string(session, "SERVICE", service); -} - -_public_ int sd_session_get_type(const char *session, char **type) { - return session_get_string(session, "TYPE", type); -} - -_public_ int sd_session_get_class(const char *session, char **class) { - return session_get_string(session, "CLASS", class); -} - -_public_ int sd_session_get_display(const char *session, char **display) { - return session_get_string(session, "DISPLAY", display); -} - -static int file_of_seat(const char *seat, char **_p) { - char *p; - int r; - - assert(_p); - - if (seat) - p = strappend("/run/systemd/seats/", seat); - else { - char *buf; - - r = sd_session_get_seat(NULL, &buf); - if (r < 0) - return r; - - p = strappend("/run/systemd/seats/", buf); - free(buf); - } - - if (!p) - return -ENOMEM; - - *_p = p; - return 0; -} - -_public_ int sd_seat_get_active(const char *seat, char **session, uid_t *uid) { - char *p, *s = NULL, *t = NULL; - int r; - - if (!session && !uid) - return -EINVAL; - - r = file_of_seat(seat, &p); - if (r < 0) - return r; - - r = parse_env_file(p, NEWLINE, - "ACTIVE", &s, - "ACTIVE_UID", &t, - NULL); - free(p); - - if (r < 0) { - free(s); - free(t); - return r; - } - - if (session && !s) { - free(t); - return -ENOENT; - } - - if (uid && !t) { - free(s); - return -ENOENT; - } - - if (uid && t) { - r = parse_uid(t, uid); - if (r < 0) { - free(t); - free(s); - return r; - } - } - - free(t); - - if (session && s) - *session = s; - else - free(s); - - return 0; -} - -_public_ int sd_seat_get_sessions(const char *seat, char ***sessions, uid_t **uids, unsigned *n_uids) { - char *p, *s = NULL, *t = NULL, **a = NULL; - uid_t *b = NULL; - unsigned n = 0; - int r; - - r = file_of_seat(seat, &p); - if (r < 0) - return r; - - r = parse_env_file(p, NEWLINE, - "SESSIONS", &s, - "ACTIVE_SESSIONS", &t, - NULL); - free(p); - - if (r < 0) { - free(s); - free(t); - return r; - } - - if (s) { - a = strv_split(s, " "); - if (!a) { - free(s); - free(t); - return -ENOMEM; - } - } - - free(s); - - if (uids && t) { - char *w, *state; - size_t l; - - FOREACH_WORD(w, l, t, state) - n++; - - if (n == 0) - b = NULL; - else { - unsigned i = 0; - - b = new(uid_t, n); - if (!b) { - strv_free(a); - return -ENOMEM; - } - - FOREACH_WORD(w, l, t, state) { - char *k; - - k = strndup(w, l); - if (!k) { - free(t); - free(b); - strv_free(a); - return -ENOMEM; - } - - r = parse_uid(k, b + i); - free(k); - if (r < 0) - continue; - - i++; - } - } - } - - free(t); - - r = strv_length(a); - - if (sessions) - *sessions = a; - else - strv_free(a); - - if (uids) - *uids = b; - - if (n_uids) - *n_uids = n; - - return r; -} - -static int seat_get_can(const char *seat, const char *variable) { - char *p, *s = NULL; - int r; - - r = file_of_seat(seat, &p); - if (r < 0) - return r; - - r = parse_env_file(p, NEWLINE, - variable, &s, - NULL); - free(p); - - if (r < 0) { - free(s); - return r; - } - - if (s) { - r = parse_boolean(s); - free(s); - } else - r = 0; - - return r; -} - -_public_ int sd_seat_can_multi_session(const char *seat) { - return seat_get_can(seat, "CAN_MULTI_SESSION"); -} - -_public_ int sd_seat_can_tty(const char *seat) { - return seat_get_can(seat, "CAN_TTY"); -} - -_public_ int sd_seat_can_graphical(const char *seat) { - return seat_get_can(seat, "CAN_GRAPHICAL"); -} - -_public_ int sd_get_seats(char ***seats) { - return get_files_in_directory("/run/systemd/seats/", seats); -} - -_public_ int sd_get_sessions(char ***sessions) { - return get_files_in_directory("/run/systemd/sessions/", sessions); -} - -_public_ int sd_get_uids(uid_t **users) { - DIR *d; - int r = 0; - unsigned n = 0; - uid_t *l = NULL; - - d = opendir("/run/systemd/users/"); - if (!d) - return -errno; - - for (;;) { - struct dirent *de; - union dirent_storage buf; - int k; - uid_t uid; - - k = readdir_r(d, &buf.de, &de); - if (k != 0) { - r = -k; - goto finish; - } - - if (!de) - break; - - dirent_ensure_type(d, de); - - if (!dirent_is_file(de)) - continue; - - k = parse_uid(de->d_name, &uid); - if (k < 0) - continue; - - if (users) { - if ((unsigned) r >= n) { - uid_t *t; - - n = MAX(16, 2*r); - t = realloc(l, sizeof(uid_t) * n); - if (!t) { - r = -ENOMEM; - goto finish; - } - - l = t; - } - - assert((unsigned) r < n); - l[r++] = uid; - } else - r++; - } - -finish: - if (d) - closedir(d); - - if (r >= 0) { - if (users) - *users = l; - } else - free(l); - - return r; -} - -static inline int MONITOR_TO_FD(sd_login_monitor *m) { - return (int) (unsigned long) m - 1; -} - -static inline sd_login_monitor* FD_TO_MONITOR(int fd) { - return (sd_login_monitor*) (unsigned long) (fd + 1); -} - -_public_ int sd_login_monitor_new(const char *category, sd_login_monitor **m) { - int fd, k; - bool good = false; - - if (!m) - return -EINVAL; - - fd = inotify_init1(IN_NONBLOCK|IN_CLOEXEC); - if (fd < 0) - return errno; - - if (!category || streq(category, "seat")) { - k = inotify_add_watch(fd, "/run/systemd/seats/", IN_MOVED_TO|IN_DELETE); - if (k < 0) { - close_nointr_nofail(fd); - return -errno; - } - - good = true; - } - - if (!category || streq(category, "session")) { - k = inotify_add_watch(fd, "/run/systemd/sessions/", IN_MOVED_TO|IN_DELETE); - if (k < 0) { - close_nointr_nofail(fd); - return -errno; - } - - good = true; - } - - if (!category || streq(category, "uid")) { - k = inotify_add_watch(fd, "/run/systemd/users/", IN_MOVED_TO|IN_DELETE); - if (k < 0) { - close_nointr_nofail(fd); - return -errno; - } - - good = true; - } - - if (!good) { - close_nointr(fd); - return -EINVAL; - } - - *m = FD_TO_MONITOR(fd); - return 0; -} - -_public_ sd_login_monitor* sd_login_monitor_unref(sd_login_monitor *m) { - int fd; - - if (!m) - return NULL; - - fd = MONITOR_TO_FD(m); - close_nointr(fd); - - return NULL; -} - -_public_ int sd_login_monitor_flush(sd_login_monitor *m) { - - if (!m) - return -EINVAL; - - return flush_fd(MONITOR_TO_FD(m)); -} - -_public_ int sd_login_monitor_get_fd(sd_login_monitor *m) { - - if (!m) - return -EINVAL; - - return MONITOR_TO_FD(m); -} diff --git a/src/login/sysfs-show.c b/src/login/sysfs-show.c deleted file mode 100644 index d113ec3e43..0000000000 --- a/src/login/sysfs-show.c +++ /dev/null @@ -1,190 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2010 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <errno.h> -#include <string.h> -#include <libudev.h> - -#include "util.h" -#include "sysfs-show.h" -#include "path-util.h" - -static int show_sysfs_one( - struct udev *udev, - const char *seat, - struct udev_list_entry **item, - const char *sub, - const char *prefix, - unsigned n_columns) { - - assert(udev); - assert(seat); - assert(item); - assert(prefix); - - while (*item) { - struct udev_list_entry *next, *lookahead; - struct udev_device *d; - const char *sn, *name, *sysfs, *subsystem, *sysname; - char *l, *k; - - sysfs = udev_list_entry_get_name(*item); - if (!path_startswith(sysfs, sub)) - return 0; - - d = udev_device_new_from_syspath(udev, sysfs); - if (!d) { - *item = udev_list_entry_get_next(*item); - continue; - } - - sn = udev_device_get_property_value(d, "ID_SEAT"); - if (isempty(sn)) - sn = "seat0"; - - /* fixme, also check for tag 'seat' here */ - if (!streq(seat, sn) || !udev_device_has_tag(d, "seat")) { - udev_device_unref(d); - *item = udev_list_entry_get_next(*item); - continue; - } - - name = udev_device_get_sysattr_value(d, "name"); - if (!name) - name = udev_device_get_sysattr_value(d, "id"); - subsystem = udev_device_get_subsystem(d); - sysname = udev_device_get_sysname(d); - - /* Look if there's more coming after this */ - lookahead = next = udev_list_entry_get_next(*item); - while (lookahead) { - const char *lookahead_sysfs; - - lookahead_sysfs = udev_list_entry_get_name(lookahead); - - if (path_startswith(lookahead_sysfs, sub) && - !path_startswith(lookahead_sysfs, sysfs)) { - struct udev_device *lookahead_d; - - lookahead_d = udev_device_new_from_syspath(udev, lookahead_sysfs); - if (lookahead_d) { - const char *lookahead_sn; - bool found; - - lookahead_sn = udev_device_get_property_value(d, "ID_SEAT"); - if (isempty(lookahead_sn)) - lookahead_sn = "seat0"; - - found = streq(seat, lookahead_sn) && udev_device_has_tag(lookahead_d, "seat"); - udev_device_unref(lookahead_d); - - if (found) - break; - } - } - - lookahead = udev_list_entry_get_next(lookahead); - } - - k = ellipsize(sysfs, n_columns, 20); - printf("%s%s%s\n", prefix, draw_special_char(lookahead ? DRAW_TREE_BRANCH : DRAW_TREE_RIGHT), - k ? k : sysfs); - free(k); - - if (asprintf(&l, - "(%s:%s)%s%s%s", - subsystem, sysname, - name ? " \"" : "", name ? name : "", name ? "\"" : "") < 0) { - udev_device_unref(d); - return -ENOMEM; - } - - k = ellipsize(l, n_columns, 70); - printf("%s%s%s\n", prefix, lookahead ? draw_special_char(DRAW_TREE_VERT) : " ", - k ? k : l); - free(k); - free(l); - - *item = next; - if (*item) { - char *p; - - p = strappend(prefix, lookahead ? draw_special_char(DRAW_TREE_VERT) : " "); - show_sysfs_one(udev, seat, item, sysfs, p ? p : prefix, n_columns - 2); - free(p); - } - - udev_device_unref(d); - } - - return 0; -} - -int show_sysfs(const char *seat, const char *prefix, unsigned n_columns) { - struct udev *udev; - struct udev_list_entry *first = NULL; - struct udev_enumerate *e; - int r; - - if (n_columns <= 0) - n_columns = columns(); - - if (!prefix) - prefix = ""; - - if (isempty(seat)) - seat = "seat0"; - - udev = udev_new(); - if (!udev) - return -ENOMEM; - - e = udev_enumerate_new(udev); - if (!e) { - r = -ENOMEM; - goto finish; - } - - if (!streq(seat, "seat0")) - r = udev_enumerate_add_match_tag(e, seat); - else - r = udev_enumerate_add_match_tag(e, "seat"); - - if (r < 0) - goto finish; - - r = udev_enumerate_scan_devices(e); - if (r < 0) - goto finish; - - first = udev_enumerate_get_list_entry(e); - if (first) - show_sysfs_one(udev, seat, &first, "/", prefix, n_columns); - -finish: - if (e) - udev_enumerate_unref(e); - - if (udev) - udev_unref(udev); - - return r; -} diff --git a/src/login/test-inhibit.c b/src/login/test-inhibit.c deleted file mode 100644 index 7b6deffc3e..0000000000 --- a/src/login/test-inhibit.c +++ /dev/null @@ -1,139 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2012 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <unistd.h> - -#include <dbus/dbus.h> - -#include "macro.h" -#include "util.h" -#include "dbus-common.h" - -static int inhibit(DBusConnection *bus, const char *what) { - DBusMessage *m, *reply; - DBusError error; - const char *who = "Test Tool", *reason = "Just because!", *mode = "block"; - int fd; - - dbus_error_init(&error); - - m = dbus_message_new_method_call( - "org.freedesktop.login1", - "/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - "Inhibit"); - assert(m); - - assert_se(dbus_message_append_args(m, - DBUS_TYPE_STRING, &what, - DBUS_TYPE_STRING, &who, - DBUS_TYPE_STRING, &reason, - DBUS_TYPE_STRING, &mode, - DBUS_TYPE_INVALID)); - - reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error); - assert(reply); - - assert(dbus_message_get_args(reply, &error, - DBUS_TYPE_UNIX_FD, &fd, - DBUS_TYPE_INVALID)); - - dbus_message_unref(m); - dbus_message_unref(reply); - - return fd; -} - -static void print_inhibitors(DBusConnection *bus) { - DBusMessage *m, *reply; - DBusError error; - unsigned n = 0; - DBusMessageIter iter, sub, sub2; - - dbus_error_init(&error); - - m = dbus_message_new_method_call( - "org.freedesktop.login1", - "/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - "ListInhibitors"); - assert(m); - - reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error); - assert(reply); - - assert(dbus_message_iter_init(reply, &iter)); - dbus_message_iter_recurse(&iter, &sub); - - while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { - const char *what, *who, *why, *mode; - dbus_uint32_t uid, pid; - - dbus_message_iter_recurse(&sub, &sub2); - - assert_se(bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &what, true) >= 0); - assert_se(bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &who, true) >= 0); - assert_se(bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &why, true) >= 0); - assert_se(bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &mode, true) >= 0); - assert_se(bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &uid, true) >= 0); - assert_se(bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &pid, false) >= 0); - - printf("what=<%s> who=<%s> why=<%s> mode=<%s> uid=<%lu> pid=<%lu>\n", - what, who, why, mode, (unsigned long) uid, (unsigned long) pid); - - dbus_message_iter_next(&sub); - - n++; - } - - printf("%u inhibitors\n", n); - - dbus_message_unref(m); - dbus_message_unref(reply); -} - -int main(int argc, char*argv[]) { - DBusConnection *bus; - int fd1, fd2; - - bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, NULL); - assert(bus); - - print_inhibitors(bus); - - fd1 = inhibit(bus, "sleep"); - assert(fd1 >= 0); - print_inhibitors(bus); - - fd2 = inhibit(bus, "idle:shutdown"); - assert(fd2 >= 0); - print_inhibitors(bus); - - close_nointr_nofail(fd1); - sleep(1); - print_inhibitors(bus); - - close_nointr_nofail(fd2); - sleep(1); - print_inhibitors(bus); - - return 0; -} diff --git a/src/login/test-login.c b/src/login/test-login.c deleted file mode 100644 index 159ff3efc5..0000000000 --- a/src/login/test-login.c +++ /dev/null @@ -1,201 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2011 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <sys/poll.h> -#include <string.h> - -#include <systemd/sd-login.h> - -#include "util.h" -#include "strv.h" - -int main(int argc, char* argv[]) { - int r, k; - uid_t u, u2; - char *seat, *type, *class, *display; - char *session; - char *state; - char *session2; - char *t; - char **seats, **sessions; - uid_t *uids; - unsigned n; - struct pollfd pollfd; - sd_login_monitor *m; - - assert_se(sd_pid_get_session(0, &session) == 0); - printf("session = %s\n", session); - - assert_se(sd_pid_get_owner_uid(0, &u2) == 0); - printf("user = %lu\n", (unsigned long) u2); - - r = sd_uid_get_sessions(u2, false, &sessions); - assert_se(r >= 0); - assert_se(r == (int) strv_length(sessions)); - assert_se(t = strv_join(sessions, ", ")); - strv_free(sessions); - printf("sessions = %s\n", t); - free(t); - - assert_se(r == sd_uid_get_sessions(u2, false, NULL)); - - r = sd_uid_get_seats(u2, false, &seats); - assert_se(r >= 0); - assert_se(r == (int) strv_length(seats)); - assert_se(t = strv_join(seats, ", ")); - strv_free(seats); - printf("seats = %s\n", t); - free(t); - - assert_se(r == sd_uid_get_seats(u2, false, NULL)); - - r = sd_session_is_active(session); - assert_se(r >= 0); - printf("active = %s\n", yes_no(r)); - - r = sd_session_get_state(session, &state); - assert_se(r >= 0); - printf("state = %s\n", state); - free(state); - - assert_se(sd_session_get_uid(session, &u) >= 0); - printf("uid = %lu\n", (unsigned long) u); - assert_se(u == u2); - - assert_se(sd_session_get_type(session, &type) >= 0); - printf("type = %s\n", type); - free(type); - - assert_se(sd_session_get_class(session, &class) >= 0); - printf("class = %s\n", class); - free(class); - - assert_se(sd_session_get_display(session, &display) >= 0); - printf("display = %s\n", display); - free(display); - - assert_se(sd_session_get_seat(session, &seat) >= 0); - printf("seat = %s\n", seat); - - r = sd_seat_can_multi_session(seat); - assert_se(r >= 0); - printf("can do multi session = %s\n", yes_no(r)); - - r = sd_seat_can_tty(seat); - assert_se(r >= 0); - printf("can do tty = %s\n", yes_no(r)); - - r = sd_seat_can_graphical(seat); - assert_se(r >= 0); - printf("can do graphical = %s\n", yes_no(r)); - - assert_se(sd_uid_get_state(u, &state) >= 0); - printf("state = %s\n", state); - - assert_se(sd_uid_is_on_seat(u, 0, seat) > 0); - - k = sd_uid_is_on_seat(u, 1, seat); - assert_se(k >= 0); - assert_se(!!r == !!r); - - assert_se(sd_seat_get_active(seat, &session2, &u2) >= 0); - printf("session2 = %s\n", session2); - printf("uid2 = %lu\n", (unsigned long) u2); - - r = sd_seat_get_sessions(seat, &sessions, &uids, &n); - assert_se(r >= 0); - printf("n_sessions = %i\n", r); - assert_se(r == (int) strv_length(sessions)); - assert_se(t = strv_join(sessions, ", ")); - strv_free(sessions); - printf("sessions = %s\n", t); - free(t); - printf("uids ="); - for (k = 0; k < (int) n; k++) - printf(" %lu", (unsigned long) uids[k]); - printf("\n"); - free(uids); - - assert_se(sd_seat_get_sessions(seat, NULL, NULL, NULL) == r); - - free(session); - free(state); - free(session2); - free(seat); - - r = sd_get_seats(&seats); - assert_se(r >= 0); - assert_se(r == (int) strv_length(seats)); - assert_se(t = strv_join(seats, ", ")); - strv_free(seats); - printf("n_seats = %i\n", r); - printf("seats = %s\n", t); - free(t); - - assert_se(sd_get_seats(NULL) == r); - - r = sd_seat_get_active(NULL, &t, NULL); - assert_se(r >= 0); - printf("active session on current seat = %s\n", t); - free(t); - - r = sd_get_sessions(&sessions); - assert_se(r >= 0); - assert_se(r == (int) strv_length(sessions)); - assert_se(t = strv_join(sessions, ", ")); - strv_free(sessions); - printf("n_sessions = %i\n", r); - printf("sessions = %s\n", t); - free(t); - - assert_se(sd_get_sessions(NULL) == r); - - r = sd_get_uids(&uids); - assert_se(r >= 0); - - printf("uids ="); - for (k = 0; k < r; k++) - printf(" %lu", (unsigned long) uids[k]); - printf("\n"); - free(uids); - - printf("n_uids = %i\n", r); - assert_se(sd_get_uids(NULL) == r); - - r = sd_login_monitor_new("session", &m); - assert_se(r >= 0); - - zero(pollfd); - pollfd.fd = sd_login_monitor_get_fd(m); - pollfd.events = POLLIN; - - for (n = 0; n < 5; n++) { - r = poll(&pollfd, 1, -1); - assert_se(r >= 0); - - sd_login_monitor_flush(m); - printf("Wake!\n"); - } - - sd_login_monitor_unref(m); - - return 0; -} diff --git a/src/login/uaccess.c b/src/login/uaccess.c deleted file mode 100644 index 2c530c8f39..0000000000 --- a/src/login/uaccess.c +++ /dev/null @@ -1,91 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2011 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <errno.h> -#include <string.h> - -#include <systemd/sd-daemon.h> -#include <systemd/sd-login.h> - -#include "logind-acl.h" -#include "util.h" -#include "log.h" - -int main(int argc, char *argv[]) { - int r; - const char *path = NULL, *seat; - bool changed_acl = false; - uid_t uid; - - log_set_target(LOG_TARGET_AUTO); - log_parse_environment(); - log_open(); - - umask(0022); - - if (argc < 2 || argc > 3) { - log_error("This program expects one or two arguments."); - r = -EINVAL; - goto finish; - } - - /* Make sure we don't muck around with ACLs the system is not - * running systemd. */ - if (!sd_booted()) - return 0; - - path = argv[1]; - seat = argc < 3 || isempty(argv[2]) ? "seat0" : argv[2]; - - r = sd_seat_get_active(seat, NULL, &uid); - if (r == -ENOENT) { - /* No active session on this seat */ - r = 0; - goto finish; - } else if (r < 0) { - log_error("Failed to determine active user on seat %s.", seat); - goto finish; - } - - r = devnode_acl(path, true, false, 0, true, uid); - if (r < 0) { - log_error("Failed to apply ACL on %s: %s", path, strerror(-r)); - goto finish; - } - - changed_acl = true; - r = 0; - -finish: - if (path && !changed_acl) { - int k; - /* Better be safe that sorry and reset ACL */ - - k = devnode_acl(path, true, false, 0, false, 0); - if (k < 0) { - log_error("Failed to apply ACL on %s: %s", path, strerror(-k)); - if (r >= 0) - r = k; - } - } - - return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; -} diff --git a/src/login/user-sessions.c b/src/login/user-sessions.c deleted file mode 100644 index 91531e8f38..0000000000 --- a/src/login/user-sessions.c +++ /dev/null @@ -1,101 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2010 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <string.h> -#include <unistd.h> -#include <errno.h> - -#include "log.h" -#include "util.h" -#include "cgroup-util.h" - -int main(int argc, char*argv[]) { - int ret = EXIT_FAILURE; - - if (argc != 2) { - log_error("This program requires one argument."); - return EXIT_FAILURE; - } - - log_set_target(LOG_TARGET_AUTO); - log_parse_environment(); - log_open(); - - umask(0022); - - if (streq(argv[1], "start")) { - int q = 0, r = 0; - - if (unlink("/run/nologin") < 0 && errno != ENOENT) { - log_error("Failed to remove /run/nologin file: %m"); - r = -errno; - } - - if (unlink("/etc/nologin") < 0 && errno != ENOENT) { - - /* If the file doesn't exist and /etc simply - * was read-only (in which case unlink() - * returns EROFS even if the file doesn't - * exist), don't complain */ - - if (errno != EROFS || access("/etc/nologin", F_OK) >= 0) { - log_error("Failed to remove /etc/nologin file: %m"); - q = -errno; - } - } - - if (r < 0 || q < 0) - goto finish; - - } else if (streq(argv[1], "stop")) { - int r, q; - char *cgroup_user_tree = NULL; - - r = write_one_line_file_atomic("/run/nologin", "System is going down."); - if (r < 0) - log_error("Failed to create /run/nologin: %s", strerror(-r)); - - q = cg_get_user_path(&cgroup_user_tree); - if (q < 0) { - log_error("Failed to determine use path: %s", strerror(-q)); - goto finish; - } - - q = cg_kill_recursive_and_wait(SYSTEMD_CGROUP_CONTROLLER, cgroup_user_tree, true); - free(cgroup_user_tree); - if (q < 0) { - log_error("Failed to kill sessions: %s", strerror(-q)); - goto finish; - } - - if (r < 0) - goto finish; - - } else { - log_error("Unknown verb %s.", argv[1]); - goto finish; - } - - ret = EXIT_SUCCESS; - -finish: - return ret; -} |