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-rw-r--r--src/grp-login/loginctl/Makefile42
-rw-r--r--src/grp-login/loginctl/loginctl.c1588
-rw-r--r--src/grp-login/loginctl/loginctl.completion.bash111
-rw-r--r--src/grp-login/loginctl/loginctl.completion.zsh172
-rw-r--r--src/grp-login/loginctl/loginctl.xml459
-rw-r--r--src/grp-login/loginctl/sysfs-show.c190
-rw-r--r--src/grp-login/loginctl/sysfs-show.h22
7 files changed, 2584 insertions, 0 deletions
diff --git a/src/grp-login/loginctl/Makefile b/src/grp-login/loginctl/Makefile
new file mode 100644
index 0000000000..f1a474e1cc
--- /dev/null
+++ b/src/grp-login/loginctl/Makefile
@@ -0,0 +1,42 @@
+# -*- Mode: makefile; indent-tabs-mode: t -*-
+#
+# This file is part of systemd.
+#
+# Copyright 2010-2012 Lennart Poettering
+# Copyright 2010-2012 Kay Sievers
+# Copyright 2013 Zbigniew Jędrzejewski-Szmek
+# Copyright 2013 David Strauss
+# Copyright 2016 Luke Shumaker
+#
+# 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 $(dir $(lastword $(MAKEFILE_LIST)))/../../../config.mk
+include $(topsrcdir)/build-aux/Makefile.head.mk
+
+loginctl_SOURCES = \
+ src/login/loginctl.c \
+ src/login/sysfs-show.h \
+ src/login/sysfs-show.c
+
+loginctl_LDADD = \
+ libsystemd-shared.la
+
+rootbin_PROGRAMS += \
+ loginctl
+
+dist_bashcompletion_data += \
+ shell-completion/bash/loginctl
+
+dist_zshcompletion_data += shell-completion/zsh/_loginctl
+
+include $(topsrcdir)/build-aux/Makefile.tail.mk
diff --git a/src/grp-login/loginctl/loginctl.c b/src/grp-login/loginctl/loginctl.c
new file mode 100644
index 0000000000..c0340553b8
--- /dev/null
+++ b/src/grp-login/loginctl/loginctl.c
@@ -0,0 +1,1588 @@
+/***
+ 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 <getopt.h>
+#include <locale.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <systemd/sd-bus.h>
+
+#include "sd-bus/bus-error.h"
+#include "sd-bus/bus-util.h"
+#include "systemd-basic/alloc-util.h"
+#include "systemd-basic/cgroup-util.h"
+#include "systemd-basic/log.h"
+#include "systemd-basic/macro.h"
+#include "systemd-basic/parse-util.h"
+#include "systemd-basic/process-util.h"
+#include "systemd-basic/signal-util.h"
+#include "systemd-basic/strv.h"
+#include "systemd-basic/terminal-util.h"
+#include "systemd-basic/unit-name.h"
+#include "systemd-basic/user-util.h"
+#include "systemd-basic/util.h"
+#include "systemd-basic/verbs.h"
+#include "systemd-shared/bus-unit-util.h"
+#include "systemd-shared/cgroup-show.h"
+#include "systemd-shared/logs-show.h"
+#include "systemd-shared/pager.h"
+#include "systemd-shared/spawn-polkit-agent.h"
+
+#include "sysfs-show.h"
+
+static char **arg_property = NULL;
+static bool arg_all = false;
+static bool arg_value = false;
+static bool arg_full = false;
+static bool arg_no_pager = false;
+static bool arg_legend = true;
+static const char *arg_kill_who = NULL;
+static int arg_signal = SIGTERM;
+static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
+static char *arg_host = NULL;
+static bool arg_ask_password = true;
+static unsigned arg_lines = 10;
+static OutputMode arg_output = OUTPUT_SHORT;
+
+static void polkit_agent_open_if_enabled(void) {
+
+ /* Open the polkit agent as a child process if necessary */
+
+ if (!arg_ask_password)
+ return;
+
+ if (arg_transport != BUS_TRANSPORT_LOCAL)
+ return;
+
+ polkit_agent_open();
+}
+
+static OutputFlags get_output_flags(void) {
+
+ return
+ arg_all * OUTPUT_SHOW_ALL |
+ arg_full * OUTPUT_FULL_WIDTH |
+ (!on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
+ colors_enabled() * OUTPUT_COLOR;
+}
+
+static int list_sessions(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ const char *id, *user, *seat, *object;
+ sd_bus *bus = userdata;
+ unsigned k = 0;
+ uint32_t uid;
+ int r;
+
+ assert(bus);
+ assert(argv);
+
+ pager_open(arg_no_pager, false);
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ "ListSessions",
+ &error, &reply,
+ "");
+ if (r < 0) {
+ log_error("Failed to list sessions: %s", bus_error_message(&error, r));
+ return r;
+ }
+
+ r = sd_bus_message_enter_container(reply, 'a', "(susso)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (arg_legend)
+ printf("%10s %10s %-16s %-16s\n", "SESSION", "UID", "USER", "SEAT");
+
+ while ((r = sd_bus_message_read(reply, "(susso)", &id, &uid, &user, &seat, &object)) > 0) {
+ printf("%10s %10u %-16s %-16s\n", id, (unsigned) uid, user, seat);
+ k++;
+ }
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (arg_legend)
+ printf("\n%u sessions listed.\n", k);
+
+ return 0;
+}
+
+static int list_users(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ const char *user, *object;
+ sd_bus *bus = userdata;
+ unsigned k = 0;
+ uint32_t uid;
+ int r;
+
+ assert(bus);
+ assert(argv);
+
+ pager_open(arg_no_pager, false);
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ "ListUsers",
+ &error, &reply,
+ "");
+ if (r < 0) {
+ log_error("Failed to list users: %s", bus_error_message(&error, r));
+ return r;
+ }
+
+ r = sd_bus_message_enter_container(reply, 'a', "(uso)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (arg_legend)
+ printf("%10s %-16s\n", "UID", "USER");
+
+ while ((r = sd_bus_message_read(reply, "(uso)", &uid, &user, &object)) > 0) {
+ printf("%10u %-16s\n", (unsigned) uid, user);
+ k++;
+ }
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (arg_legend)
+ printf("\n%u users listed.\n", k);
+
+ return 0;
+}
+
+static int list_seats(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ const char *seat, *object;
+ sd_bus *bus = userdata;
+ unsigned k = 0;
+ int r;
+
+ assert(bus);
+ assert(argv);
+
+ pager_open(arg_no_pager, false);
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ "ListSeats",
+ &error, &reply,
+ "");
+ if (r < 0) {
+ log_error("Failed to list seats: %s", bus_error_message(&error, r));
+ return r;
+ }
+
+ r = sd_bus_message_enter_container(reply, 'a', "(so)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (arg_legend)
+ printf("%-16s\n", "SEAT");
+
+ while ((r = sd_bus_message_read(reply, "(so)", &seat, &object)) > 0) {
+ printf("%-16s\n", seat);
+ k++;
+ }
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (arg_legend)
+ printf("\n%u seats listed.\n", k);
+
+ return 0;
+}
+
+static int show_unit_cgroup(sd_bus *bus, const char *interface, const char *unit, pid_t leader) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_free_ char *path = NULL;
+ const char *cgroup;
+ unsigned c;
+ int r;
+
+ assert(bus);
+ assert(unit);
+
+ path = unit_dbus_path_from_name(unit);
+ if (!path)
+ return log_oom();
+
+ r = sd_bus_get_property(
+ bus,
+ "org.freedesktop.systemd1",
+ path,
+ interface,
+ "ControlGroup",
+ &error,
+ &reply,
+ "s");
+ if (r < 0)
+ return log_error_errno(r, "Failed to query ControlGroup: %s", bus_error_message(&error, r));
+
+ r = sd_bus_message_read(reply, "s", &cgroup);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (isempty(cgroup))
+ return 0;
+
+ c = columns();
+ if (c > 18)
+ c -= 18;
+ else
+ c = 0;
+
+ r = unit_show_processes(bus, unit, cgroup, "\t\t ", c, get_output_flags(), &error);
+ if (r == -EBADR) {
+
+ if (arg_transport == BUS_TRANSPORT_REMOTE)
+ return 0;
+
+ /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
+
+ if (cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, cgroup) != 0 && leader <= 0)
+ return 0;
+
+ show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, cgroup, "\t\t ", c, &leader, leader > 0, get_output_flags());
+ } else if (r < 0)
+ return log_error_errno(r, "Failed to dump process list: %s", bus_error_message(&error, r));
+
+ return 0;
+}
+
+typedef struct SessionStatusInfo {
+ char *id;
+ uid_t uid;
+ char *name;
+ struct dual_timestamp timestamp;
+ unsigned int vtnr;
+ char *seat;
+ char *tty;
+ char *display;
+ int remote;
+ char *remote_host;
+ char *remote_user;
+ char *service;
+ pid_t leader;
+ char *type;
+ char *class;
+ char *state;
+ char *scope;
+ char *desktop;
+} SessionStatusInfo;
+
+typedef struct UserStatusInfo {
+ uid_t uid;
+ int linger;
+ char *name;
+ struct dual_timestamp timestamp;
+ char *state;
+ char **sessions;
+ char *display;
+ char *slice;
+} UserStatusInfo;
+
+typedef struct SeatStatusInfo {
+ char *id;
+ char *active_session;
+ char **sessions;
+} SeatStatusInfo;
+
+static void session_status_info_clear(SessionStatusInfo *info) {
+ if (info) {
+ free(info->id);
+ free(info->name);
+ free(info->seat);
+ free(info->tty);
+ free(info->display);
+ free(info->remote_host);
+ free(info->remote_user);
+ free(info->service);
+ free(info->type);
+ free(info->class);
+ free(info->state);
+ free(info->scope);
+ free(info->desktop);
+ zero(*info);
+ }
+}
+
+static void user_status_info_clear(UserStatusInfo *info) {
+ if (info) {
+ free(info->name);
+ free(info->state);
+ strv_free(info->sessions);
+ free(info->display);
+ free(info->slice);
+ zero(*info);
+ }
+}
+
+static void seat_status_info_clear(SeatStatusInfo *info) {
+ if (info) {
+ free(info->id);
+ free(info->active_session);
+ strv_free(info->sessions);
+ zero(*info);
+ }
+}
+
+static int prop_map_first_of_struct(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
+ const char *contents;
+ int r;
+
+ r = sd_bus_message_peek_type(m, NULL, &contents);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, contents);
+ if (r < 0)
+ return r;
+
+ if (contents[0] == 's' || contents[0] == 'o') {
+ const char *s;
+ char **p = (char **) userdata;
+
+ r = sd_bus_message_read_basic(m, contents[0], &s);
+ if (r < 0)
+ return r;
+
+ r = free_and_strdup(p, s);
+ if (r < 0)
+ return r;
+ } else {
+ r = sd_bus_message_read_basic(m, contents[0], userdata);
+ if (r < 0)
+ return r;
+ }
+
+ r = sd_bus_message_skip(m, contents+1);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+static int prop_map_sessions_strv(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
+ const char *name;
+ int r;
+
+ assert(bus);
+ assert(m);
+
+ r = sd_bus_message_enter_container(m, 'a', "(so)");
+ if (r < 0)
+ return r;
+
+ while ((r = sd_bus_message_read(m, "(so)", &name, NULL)) > 0) {
+ r = strv_extend(userdata, name);
+ if (r < 0)
+ return r;
+ }
+ if (r < 0)
+ return r;
+
+ return sd_bus_message_exit_container(m);
+}
+
+static int print_session_status_info(sd_bus *bus, const char *path, bool *new_line) {
+
+ static const struct bus_properties_map map[] = {
+ { "Id", "s", NULL, offsetof(SessionStatusInfo, id) },
+ { "Name", "s", NULL, offsetof(SessionStatusInfo, name) },
+ { "TTY", "s", NULL, offsetof(SessionStatusInfo, tty) },
+ { "Display", "s", NULL, offsetof(SessionStatusInfo, display) },
+ { "RemoteHost", "s", NULL, offsetof(SessionStatusInfo, remote_host) },
+ { "RemoteUser", "s", NULL, offsetof(SessionStatusInfo, remote_user) },
+ { "Service", "s", NULL, offsetof(SessionStatusInfo, service) },
+ { "Desktop", "s", NULL, offsetof(SessionStatusInfo, desktop) },
+ { "Type", "s", NULL, offsetof(SessionStatusInfo, type) },
+ { "Class", "s", NULL, offsetof(SessionStatusInfo, class) },
+ { "Scope", "s", NULL, offsetof(SessionStatusInfo, scope) },
+ { "State", "s", NULL, offsetof(SessionStatusInfo, state) },
+ { "VTNr", "u", NULL, offsetof(SessionStatusInfo, vtnr) },
+ { "Leader", "u", NULL, offsetof(SessionStatusInfo, leader) },
+ { "Remote", "b", NULL, offsetof(SessionStatusInfo, remote) },
+ { "Timestamp", "t", NULL, offsetof(SessionStatusInfo, timestamp.realtime) },
+ { "TimestampMonotonic", "t", NULL, offsetof(SessionStatusInfo, timestamp.monotonic) },
+ { "User", "(uo)", prop_map_first_of_struct, offsetof(SessionStatusInfo, uid) },
+ { "Seat", "(so)", prop_map_first_of_struct, offsetof(SessionStatusInfo, seat) },
+ {}
+ };
+
+ char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], *s1;
+ char since2[FORMAT_TIMESTAMP_MAX], *s2;
+ _cleanup_(session_status_info_clear) SessionStatusInfo i = {};
+ int r;
+
+ r = bus_map_all_properties(bus, "org.freedesktop.login1", path, map, &i);
+ if (r < 0)
+ return log_error_errno(r, "Could not get properties: %m");
+
+ if (*new_line)
+ printf("\n");
+
+ *new_line = true;
+
+ 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_relative(since1, sizeof(since1), i.timestamp.realtime);
+ s2 = format_timestamp(since2, sizeof(since2), i.timestamp.realtime);
+
+ if (s1)
+ printf("\t Since: %s; %s\n", s2, s1);
+ else if (s2)
+ printf("\t Since: %s\n", s2);
+
+ if (i.leader > 0) {
+ _cleanup_free_ char *t = NULL;
+
+ printf("\t Leader: %u", (unsigned) i.leader);
+
+ get_process_comm(i.leader, &t);
+ if (t)
+ printf(" (%s)", t);
+
+ printf("\n");
+ }
+
+ if (!isempty(i.seat)) {
+ printf("\t Seat: %s", i.seat);
+
+ if (i.vtnr > 0)
+ printf("; vc%u", 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", i.type);
+
+ if (i.class)
+ printf("; class %s", i.class);
+
+ printf("\n");
+ } else if (i.class)
+ printf("\t Class: %s\n", i.class);
+
+ if (!isempty(i.desktop))
+ printf("\t Desktop: %s\n", i.desktop);
+
+ if (i.state)
+ printf("\t State: %s\n", i.state);
+
+ if (i.scope) {
+ printf("\t Unit: %s\n", i.scope);
+ show_unit_cgroup(bus, "org.freedesktop.systemd1.Scope", i.scope, i.leader);
+
+ if (arg_transport == BUS_TRANSPORT_LOCAL) {
+
+ show_journal_by_unit(
+ stdout,
+ i.scope,
+ arg_output,
+ 0,
+ i.timestamp.monotonic,
+ arg_lines,
+ 0,
+ get_output_flags() | OUTPUT_BEGIN_NEWLINE,
+ SD_JOURNAL_LOCAL_ONLY,
+ true,
+ NULL);
+ }
+ }
+
+ return 0;
+}
+
+static int print_user_status_info(sd_bus *bus, const char *path, bool *new_line) {
+
+ static const struct bus_properties_map map[] = {
+ { "Name", "s", NULL, offsetof(UserStatusInfo, name) },
+ { "Linger", "b", NULL, offsetof(UserStatusInfo, linger) },
+ { "Slice", "s", NULL, offsetof(UserStatusInfo, slice) },
+ { "State", "s", NULL, offsetof(UserStatusInfo, state) },
+ { "UID", "u", NULL, offsetof(UserStatusInfo, uid) },
+ { "Timestamp", "t", NULL, offsetof(UserStatusInfo, timestamp.realtime) },
+ { "TimestampMonotonic", "t", NULL, offsetof(UserStatusInfo, timestamp.monotonic) },
+ { "Display", "(so)", prop_map_first_of_struct, offsetof(UserStatusInfo, display) },
+ { "Sessions", "a(so)", prop_map_sessions_strv, offsetof(UserStatusInfo, sessions) },
+ {}
+ };
+
+ char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], *s1;
+ char since2[FORMAT_TIMESTAMP_MAX], *s2;
+ _cleanup_(user_status_info_clear) UserStatusInfo i = {};
+ int r;
+
+ r = bus_map_all_properties(bus, "org.freedesktop.login1", path, map, &i);
+ if (r < 0)
+ return log_error_errno(r, "Could not get properties: %m");
+
+ if (*new_line)
+ printf("\n");
+
+ *new_line = true;
+
+ if (i.name)
+ printf("%s (%u)\n", i.name, (unsigned) i.uid);
+ else
+ printf("%u\n", (unsigned) i.uid);
+
+ s1 = format_timestamp_relative(since1, sizeof(since1), i.timestamp.realtime);
+ s2 = format_timestamp(since2, sizeof(since2), i.timestamp.realtime);
+
+ 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)
+ printf(" %s%s",
+ streq_ptr(*l, i.display) ? "*" : "",
+ *l);
+
+ printf("\n");
+ }
+
+ printf("\t Linger: %s\n", yes_no(i.linger));
+
+ if (i.slice) {
+ printf("\t Unit: %s\n", i.slice);
+ show_unit_cgroup(bus, "org.freedesktop.systemd1.Slice", i.slice, 0);
+
+ show_journal_by_unit(
+ stdout,
+ i.slice,
+ arg_output,
+ 0,
+ i.timestamp.monotonic,
+ arg_lines,
+ 0,
+ get_output_flags() | OUTPUT_BEGIN_NEWLINE,
+ SD_JOURNAL_LOCAL_ONLY,
+ true,
+ NULL);
+ }
+
+ return 0;
+}
+
+static int print_seat_status_info(sd_bus *bus, const char *path, bool *new_line) {
+
+ static const struct bus_properties_map map[] = {
+ { "Id", "s", NULL, offsetof(SeatStatusInfo, id) },
+ { "ActiveSession", "(so)", prop_map_first_of_struct, offsetof(SeatStatusInfo, active_session) },
+ { "Sessions", "a(so)", prop_map_sessions_strv, offsetof(SeatStatusInfo, sessions) },
+ {}
+ };
+
+ _cleanup_(seat_status_info_clear) SeatStatusInfo i = {};
+ int r;
+
+ r = bus_map_all_properties(bus, "org.freedesktop.login1", path, map, &i);
+ if (r < 0)
+ return log_error_errno(r, "Could not get properties: %m");
+
+ if (*new_line)
+ printf("\n");
+
+ *new_line = true;
+
+ 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 == BUS_TRANSPORT_LOCAL) {
+ unsigned c;
+
+ c = columns();
+ if (c > 21)
+ c -= 21;
+ else
+ c = 0;
+
+ printf("\t Devices:\n");
+
+ show_sysfs(i.id, "\t\t ", c);
+ }
+
+ return 0;
+}
+
+#define property(name, fmt, ...) \
+ do { \
+ if (arg_value) \
+ printf(fmt "\n", __VA_ARGS__); \
+ else \
+ printf("%s=" fmt "\n", name, __VA_ARGS__); \
+ } while(0)
+
+static int print_property(const char *name, sd_bus_message *m, const char *contents) {
+ int r;
+
+ assert(name);
+ assert(m);
+ assert(contents);
+
+ if (arg_property && !strv_find(arg_property, name))
+ /* skip what we didn't read */
+ return sd_bus_message_skip(m, contents);
+
+ switch (contents[0]) {
+
+ case SD_BUS_TYPE_STRUCT_BEGIN:
+
+ if (contents[1] == SD_BUS_TYPE_STRING && STR_IN_SET(name, "Display", "Seat", "ActiveSession")) {
+ const char *s;
+
+ r = sd_bus_message_read(m, "(so)", &s, NULL);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (arg_all || !isempty(s))
+ property(name, "%s", s);
+
+ return 0;
+
+ } else if (contents[1] == SD_BUS_TYPE_UINT32 && streq(name, "User")) {
+ uint32_t uid;
+
+ r = sd_bus_message_read(m, "(uo)", &uid, NULL);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (!uid_is_valid(uid)) {
+ log_error("Invalid user ID: " UID_FMT, uid);
+ return -EINVAL;
+ }
+
+ property(name, UID_FMT, uid);
+ return 0;
+ }
+
+ break;
+
+ case SD_BUS_TYPE_ARRAY:
+
+ if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Sessions")) {
+ const char *s;
+ bool space = false;
+
+ r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(so)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (!arg_value)
+ printf("%s=", name);
+
+ while ((r = sd_bus_message_read(m, "(so)", &s, NULL)) > 0) {
+ printf("%s%s", space ? " " : "", s);
+ space = true;
+ }
+
+ if (space || !arg_value)
+ printf("\n");
+
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return 0;
+ }
+
+ break;
+ }
+
+ r = bus_print_property(name, m, arg_value, arg_all);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (r == 0) {
+ r = sd_bus_message_skip(m, contents);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (arg_all)
+ printf("%s=[unprintable]\n", name);
+ }
+
+ return 0;
+}
+
+static int show_properties(sd_bus *bus, const char *path, bool *new_line) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ int r;
+
+ assert(bus);
+ assert(path);
+ assert(new_line);
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ path,
+ "org.freedesktop.DBus.Properties",
+ "GetAll",
+ &error,
+ &reply,
+ "s", "");
+ if (r < 0)
+ return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
+
+ r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "{sv}");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (*new_line)
+ printf("\n");
+
+ *new_line = true;
+
+ while ((r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) {
+ const char *name, *contents;
+
+ r = sd_bus_message_read(reply, "s", &name);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_peek_type(reply, NULL, &contents);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_VARIANT, contents);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = print_property(name, reply, contents);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+ }
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return 0;
+}
+
+static int show_session(int argc, char *argv[], void *userdata) {
+ bool properties, new_line = false;
+ sd_bus *bus = userdata;
+ int r, i;
+
+ assert(bus);
+ assert(argv);
+
+ properties = !strstr(argv[0], "status");
+
+ pager_open(arg_no_pager, false);
+
+ if (argc <= 1) {
+ /* If not argument is specified inspect the manager
+ * itself */
+ if (properties)
+ return show_properties(bus, "/org/freedesktop/login1", &new_line);
+
+ /* And in the pretty case, show data of the calling session */
+ return print_session_status_info(bus, "/org/freedesktop/login1/session/self", &new_line);
+ }
+
+ for (i = 1; i < argc; i++) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message * reply = NULL;
+ const char *path = NULL;
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ "GetSession",
+ &error, &reply,
+ "s", argv[i]);
+ if (r < 0) {
+ log_error("Failed to get session: %s", bus_error_message(&error, r));
+ return r;
+ }
+
+ r = sd_bus_message_read(reply, "o", &path);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (properties)
+ r = show_properties(bus, path, &new_line);
+ else
+ r = print_session_status_info(bus, path, &new_line);
+
+ if (r < 0)
+ return r;
+ }
+
+ return 0;
+}
+
+static int show_user(int argc, char *argv[], void *userdata) {
+ bool properties, new_line = false;
+ sd_bus *bus = userdata;
+ int r, i;
+
+ assert(bus);
+ assert(argv);
+
+ properties = !strstr(argv[0], "status");
+
+ pager_open(arg_no_pager, false);
+
+ if (argc <= 1) {
+ /* If not argument is specified inspect the manager
+ * itself */
+ if (properties)
+ return show_properties(bus, "/org/freedesktop/login1", &new_line);
+
+ return print_user_status_info(bus, "/org/freedesktop/login1/user/self", &new_line);
+ }
+
+ for (i = 1; i < argc; i++) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message * reply = NULL;
+ const char *path = NULL;
+ uid_t uid;
+
+ r = get_user_creds((const char**) (argv+i), &uid, NULL, NULL, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to look up user %s: %m", argv[i]);
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ "GetUser",
+ &error, &reply,
+ "u", (uint32_t) uid);
+ if (r < 0) {
+ log_error("Failed to get user: %s", bus_error_message(&error, r));
+ return r;
+ }
+
+ r = sd_bus_message_read(reply, "o", &path);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (properties)
+ r = show_properties(bus, path, &new_line);
+ else
+ r = print_user_status_info(bus, path, &new_line);
+
+ if (r < 0)
+ return r;
+ }
+
+ return 0;
+}
+
+static int show_seat(int argc, char *argv[], void *userdata) {
+ bool properties, new_line = false;
+ sd_bus *bus = userdata;
+ int r, i;
+
+ assert(bus);
+ assert(argv);
+
+ properties = !strstr(argv[0], "status");
+
+ pager_open(arg_no_pager, false);
+
+ if (argc <= 1) {
+ /* If not argument is specified inspect the manager
+ * itself */
+ if (properties)
+ return show_properties(bus, "/org/freedesktop/login1", &new_line);
+
+ return print_seat_status_info(bus, "/org/freedesktop/login1/seat/self", &new_line);
+ }
+
+ for (i = 1; i < argc; i++) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message * reply = NULL;
+ const char *path = NULL;
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ "GetSeat",
+ &error, &reply,
+ "s", argv[i]);
+ if (r < 0) {
+ log_error("Failed to get seat: %s", bus_error_message(&error, r));
+ return r;
+ }
+
+ r = sd_bus_message_read(reply, "o", &path);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (properties)
+ r = show_properties(bus, path, &new_line);
+ else
+ r = print_seat_status_info(bus, path, &new_line);
+
+ if (r < 0)
+ return r;
+ }
+
+ return 0;
+}
+
+static int activate(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus = userdata;
+ char *short_argv[3];
+ int r, i;
+
+ assert(bus);
+ assert(argv);
+
+ polkit_agent_open_if_enabled();
+
+ if (argc < 2) {
+ /* No argument? Let's convert this into the empty
+ * session name, which the calls will then resolve to
+ * the caller's session. */
+
+ short_argv[0] = argv[0];
+ short_argv[1] = (char*) "";
+ short_argv[2] = NULL;
+
+ argv = short_argv;
+ argc = 2;
+ }
+
+ for (i = 1; i < argc; i++) {
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ streq(argv[0], "lock-session") ? "LockSession" :
+ streq(argv[0], "unlock-session") ? "UnlockSession" :
+ streq(argv[0], "terminate-session") ? "TerminateSession" :
+ "ActivateSession",
+ &error, NULL,
+ "s", argv[i]);
+ if (r < 0) {
+ log_error("Failed to issue method call: %s", bus_error_message(&error, -r));
+ return r;
+ }
+ }
+
+ return 0;
+}
+
+static int kill_session(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus = userdata;
+ int r, i;
+
+ assert(bus);
+ assert(argv);
+
+ polkit_agent_open_if_enabled();
+
+ if (!arg_kill_who)
+ arg_kill_who = "all";
+
+ for (i = 1; i < argc; i++) {
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ "KillSession",
+ &error, NULL,
+ "ssi", argv[i], arg_kill_who, arg_signal);
+ if (r < 0) {
+ log_error("Could not kill session: %s", bus_error_message(&error, -r));
+ return r;
+ }
+ }
+
+ return 0;
+}
+
+static int enable_linger(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus = userdata;
+ char* short_argv[3];
+ bool b;
+ int r, i;
+
+ assert(bus);
+ assert(argv);
+
+ polkit_agent_open_if_enabled();
+
+ b = streq(argv[0], "enable-linger");
+
+ if (argc < 2) {
+ short_argv[0] = argv[0];
+ short_argv[1] = (char*) "";
+ short_argv[2] = NULL;
+ argv = short_argv;
+ argc = 2;
+ }
+
+ for (i = 1; i < argc; i++) {
+ uid_t uid;
+
+ if (isempty(argv[i]))
+ uid = UID_INVALID;
+ else {
+ r = get_user_creds((const char**) (argv+i), &uid, NULL, NULL, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to look up user %s: %m", argv[i]);
+ }
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ "SetUserLinger",
+ &error, NULL,
+ "ubb", (uint32_t) uid, b, true);
+ if (r < 0) {
+ log_error("Could not enable linger: %s", bus_error_message(&error, -r));
+ return r;
+ }
+ }
+
+ return 0;
+}
+
+static int terminate_user(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus = userdata;
+ int r, i;
+
+ assert(bus);
+ assert(argv);
+
+ polkit_agent_open_if_enabled();
+
+ for (i = 1; i < argc; i++) {
+ uid_t uid;
+
+ r = get_user_creds((const char**) (argv+i), &uid, NULL, NULL, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to look up user %s: %m", argv[i]);
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ "TerminateUser",
+ &error, NULL,
+ "u", (uint32_t) uid);
+ if (r < 0) {
+ log_error("Could not terminate user: %s", bus_error_message(&error, -r));
+ return r;
+ }
+ }
+
+ return 0;
+}
+
+static int kill_user(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus = userdata;
+ int r, i;
+
+ assert(bus);
+ assert(argv);
+
+ polkit_agent_open_if_enabled();
+
+ if (!arg_kill_who)
+ arg_kill_who = "all";
+
+ for (i = 1; i < argc; i++) {
+ uid_t uid;
+
+ r = get_user_creds((const char**) (argv+i), &uid, NULL, NULL, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to look up user %s: %m", argv[i]);
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ "KillUser",
+ &error, NULL,
+ "ui", (uint32_t) uid, arg_signal);
+ if (r < 0) {
+ log_error("Could not kill user: %s", bus_error_message(&error, -r));
+ return r;
+ }
+ }
+
+ return 0;
+}
+
+static int attach(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus = userdata;
+ int r, i;
+
+ assert(bus);
+ assert(argv);
+
+ polkit_agent_open_if_enabled();
+
+ for (i = 2; i < argc; i++) {
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ "AttachDevice",
+ &error, NULL,
+ "ssb", argv[1], argv[i], true);
+
+ if (r < 0) {
+ log_error("Could not attach device: %s", bus_error_message(&error, -r));
+ return r;
+ }
+ }
+
+ return 0;
+}
+
+static int flush_devices(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus = userdata;
+ int r;
+
+ assert(bus);
+ assert(argv);
+
+ polkit_agent_open_if_enabled();
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ "FlushDevices",
+ &error, NULL,
+ "b", true);
+ if (r < 0)
+ log_error("Could not flush devices: %s", bus_error_message(&error, -r));
+
+ return r;
+}
+
+static int lock_sessions(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus = userdata;
+ int r;
+
+ assert(bus);
+ assert(argv);
+
+ polkit_agent_open_if_enabled();
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ streq(argv[0], "lock-sessions") ? "LockSessions" : "UnlockSessions",
+ &error, NULL,
+ NULL);
+ if (r < 0)
+ log_error("Could not lock sessions: %s", bus_error_message(&error, -r));
+
+ return r;
+}
+
+static int terminate_seat(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus = userdata;
+ int r, i;
+
+ assert(bus);
+ assert(argv);
+
+ polkit_agent_open_if_enabled();
+
+ for (i = 1; i < argc; i++) {
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ "TerminateSeat",
+ &error, NULL,
+ "s", argv[i]);
+ if (r < 0) {
+ log_error("Could not terminate seat: %s", bus_error_message(&error, -r));
+ return r;
+ }
+ }
+
+ return 0;
+}
+
+static int help(int argc, char *argv[], void *userdata) {
+
+ 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"
+ " --no-pager Do not pipe output into a pager\n"
+ " --no-legend Do not show the headers and footers\n"
+ " --no-ask-password Don't prompt for password\n"
+ " -H --host=[USER@]HOST Operate on remote host\n"
+ " -M --machine=CONTAINER Operate on local container\n"
+ " -p --property=NAME Show only properties by this name\n"
+ " -a --all Show all properties, including empty ones\n"
+ " --value When showing properties, only print the value\n"
+ " -l --full Do not ellipsize output\n"
+ " --kill-who=WHO Who to send signal to\n"
+ " -s --signal=SIGNAL Which signal to send\n"
+ " -n --lines=INTEGER Number of journal entries to show\n"
+ " -o --output=STRING Change journal output mode (short, short-monotonic,\n"
+ " verbose, export, json, json-pretty, json-sse, cat)\n\n"
+ "Session Commands:\n"
+ " list-sessions List sessions\n"
+ " session-status [ID...] Show session status\n"
+ " show-session [ID...] Show properties of sessions or the manager\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"
+ " unlock-sessions Screen unlock all current sessions\n"
+ " terminate-session ID... Terminate one or more sessions\n"
+ " kill-session ID... Send signal to processes of a session\n\n"
+ "User Commands:\n"
+ " list-users List users\n"
+ " user-status [USER...] Show user status\n"
+ " show-user [USER...] Show properties of users or the manager\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\n"
+ "Seat Commands:\n"
+ " list-seats List seats\n"
+ " seat-status [NAME...] Show seat status\n"
+ " show-seat [NAME...] Show properties of seats or the manager\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_VALUE,
+ ARG_NO_PAGER,
+ ARG_NO_LEGEND,
+ 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' },
+ { "value", no_argument, NULL, ARG_VALUE },
+ { "full", no_argument, NULL, 'l' },
+ { "no-pager", no_argument, NULL, ARG_NO_PAGER },
+ { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
+ { "kill-who", required_argument, NULL, ARG_KILL_WHO },
+ { "signal", required_argument, NULL, 's' },
+ { "host", required_argument, NULL, 'H' },
+ { "machine", required_argument, NULL, 'M' },
+ { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
+ { "lines", required_argument, NULL, 'n' },
+ { "output", required_argument, NULL, 'o' },
+ {}
+ };
+
+ int c, r;
+
+ assert(argc >= 0);
+ assert(argv);
+
+ while ((c = getopt_long(argc, argv, "hp:als:H:M:n:o:", options, NULL)) >= 0)
+
+ switch (c) {
+
+ case 'h':
+ help(0, NULL, NULL);
+ return 0;
+
+ case ARG_VERSION:
+ return version();
+
+ case 'p': {
+ r = strv_extend(&arg_property, optarg);
+ if (r < 0)
+ return log_oom();
+
+ /* 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_VALUE:
+ arg_value = true;
+ break;
+
+ case 'l':
+ arg_full = true;
+ break;
+
+ case 'n':
+ if (safe_atou(optarg, &arg_lines) < 0) {
+ log_error("Failed to parse lines '%s'", optarg);
+ return -EINVAL;
+ }
+ break;
+
+ case 'o':
+ arg_output = output_mode_from_string(optarg);
+ if (arg_output < 0) {
+ log_error("Unknown output '%s'.", optarg);
+ return -EINVAL;
+ }
+ break;
+
+ case ARG_NO_PAGER:
+ arg_no_pager = true;
+ break;
+
+ case ARG_NO_LEGEND:
+ arg_legend = false;
+ 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 'H':
+ arg_transport = BUS_TRANSPORT_REMOTE;
+ arg_host = optarg;
+ break;
+
+ case 'M':
+ arg_transport = BUS_TRANSPORT_MACHINE;
+ arg_host = optarg;
+ break;
+
+ case '?':
+ return -EINVAL;
+
+ default:
+ assert_not_reached("Unhandled option");
+ }
+
+ return 1;
+}
+
+static int loginctl_main(int argc, char *argv[], sd_bus *bus) {
+
+ static const Verb verbs[] = {
+ { "help", VERB_ANY, VERB_ANY, 0, help },
+ { "list-sessions", VERB_ANY, 1, VERB_DEFAULT, list_sessions },
+ { "session-status", VERB_ANY, VERB_ANY, 0, show_session },
+ { "show-session", VERB_ANY, VERB_ANY, 0, show_session },
+ { "activate", VERB_ANY, 2, 0, activate },
+ { "lock-session", VERB_ANY, VERB_ANY, 0, activate },
+ { "unlock-session", VERB_ANY, VERB_ANY, 0, activate },
+ { "lock-sessions", VERB_ANY, 1, 0, lock_sessions },
+ { "unlock-sessions", VERB_ANY, 1, 0, lock_sessions },
+ { "terminate-session", 2, VERB_ANY, 0, activate },
+ { "kill-session", 2, VERB_ANY, 0, kill_session },
+ { "list-users", VERB_ANY, 1, 0, list_users },
+ { "user-status", VERB_ANY, VERB_ANY, 0, show_user },
+ { "show-user", VERB_ANY, VERB_ANY, 0, show_user },
+ { "enable-linger", VERB_ANY, VERB_ANY, 0, enable_linger },
+ { "disable-linger", VERB_ANY, VERB_ANY, 0, enable_linger },
+ { "terminate-user", 2, VERB_ANY, 0, terminate_user },
+ { "kill-user", 2, VERB_ANY, 0, kill_user },
+ { "list-seats", VERB_ANY, 1, 0, list_seats },
+ { "seat-status", VERB_ANY, VERB_ANY, 0, show_seat },
+ { "show-seat", VERB_ANY, VERB_ANY, 0, show_seat },
+ { "attach", 3, VERB_ANY, 0, attach },
+ { "flush-devices", VERB_ANY, 1, 0, flush_devices },
+ { "terminate-seat", 2, VERB_ANY, 0, terminate_seat },
+ {}
+ };
+
+ return dispatch_verb(argc, argv, verbs, bus);
+}
+
+int main(int argc, char *argv[]) {
+ sd_bus *bus = NULL;
+ int r;
+
+ setlocale(LC_ALL, "");
+ log_parse_environment();
+ log_open();
+
+ r = parse_argv(argc, argv);
+ if (r <= 0)
+ goto finish;
+
+ r = bus_connect_transport(arg_transport, arg_host, false, &bus);
+ if (r < 0) {
+ log_error_errno(r, "Failed to create bus connection: %m");
+ goto finish;
+ }
+
+ sd_bus_set_allow_interactive_authorization(bus, arg_ask_password);
+
+ r = loginctl_main(argc, argv, bus);
+
+finish:
+ sd_bus_flush_close_unref(bus);
+
+ pager_close();
+ polkit_agent_close();
+
+ strv_free(arg_property);
+
+ return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+}
diff --git a/src/grp-login/loginctl/loginctl.completion.bash b/src/grp-login/loginctl/loginctl.completion.bash
new file mode 100644
index 0000000000..776eca4e62
--- /dev/null
+++ b/src/grp-login/loginctl/loginctl.completion.bash
@@ -0,0 +1,111 @@
+# loginctl(1) completion -*- shell-script -*-
+#
+# This file is part of systemd.
+#
+# Copyright 2010 Ran Benita
+#
+# 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
+# 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/>.
+
+__contains_word () {
+ local w word=$1; shift
+ for w in "$@"; do
+ [[ $w = "$word" ]] && return
+ done
+}
+
+__get_all_sessions () { loginctl --no-legend list-sessions | { while read -r a b; do printf "%s\n" "$a"; done; } ; }
+__get_all_users () { loginctl --no-legend list-users | { while read -r a b; do printf "%s\n" "$b"; done; } ; }
+__get_all_seats () { loginctl --no-legend list-seats | { while read -r a b; do printf "%s\n" "$a"; done; } ; }
+
+_loginctl () {
+ local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
+ local i verb comps
+
+ local -A OPTS=(
+ [STANDALONE]='--all -a --help -h --no-pager --privileged -P --version
+ --no-legend --no-ask-password -l --full'
+ [ARG]='--host -H --kill-who --property -p --signal -s --machine'
+ )
+
+ if __contains_word "$prev" ${OPTS[ARG]}; then
+ case $prev in
+ --signal|-s)
+ _signals
+ return
+ ;;
+ --kill-who)
+ comps='all leader'
+ ;;
+ --host|-H)
+ comps=$(compgen -A hostname)
+ ;;
+ --property|-p)
+ comps=''
+ ;;
+ esac
+ COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
+ return 0
+ fi
+
+
+ if [[ "$cur" = -* ]]; then
+ COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
+ return 0
+ fi
+
+ local -A VERBS=(
+ [SESSIONS]='session-status show-session activate lock-session unlock-session terminate-session kill-session'
+ [USERS]='user-status show-user enable-linger disable-linger terminate-user kill-user'
+ [SEATS]='seat-status show-seat terminate-seat'
+ [STANDALONE]='list-sessions list-users list-seats flush-devices'
+ [ATTACH]='attach'
+ )
+
+ for ((i=0; i < COMP_CWORD; i++)); do
+ if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]} &&
+ ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
+ verb=${COMP_WORDS[i]}
+ break
+ fi
+ done
+
+ if [[ -z $verb ]]; then
+ comps="${VERBS[*]}"
+
+ elif __contains_word "$verb" ${VERBS[SESSIONS]}; then
+ comps=$( __get_all_sessions )
+
+ elif __contains_word "$verb" ${VERBS[USERS]}; then
+ comps=$( __get_all_users )
+
+ elif __contains_word "$verb" ${VERBS[SEATS]}; then
+ comps=$( __get_all_seats )
+
+ elif __contains_word "$verb" ${VERBS[STANDALONE]}; then
+ comps=''
+
+ elif __contains_word "$verb" ${VERBS[ATTACH]}; then
+ if [[ $prev = $verb ]]; then
+ comps=$( __get_all_seats )
+ else
+ comps=$(compgen -A file -- "$cur" )
+ compopt -o filenames
+ fi
+ fi
+
+ COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
+ return 0
+}
+
+complete -F _loginctl loginctl
diff --git a/src/grp-login/loginctl/loginctl.completion.zsh b/src/grp-login/loginctl/loginctl.completion.zsh
new file mode 100644
index 0000000000..6f6ff6e314
--- /dev/null
+++ b/src/grp-login/loginctl/loginctl.completion.zsh
@@ -0,0 +1,172 @@
+#compdef loginctl
+
+_loginctl_all_sessions() {
+ local session description
+ loginctl --no-legend list-sessions | while read -r session description; do
+ _sys_all_sessions+=( "$session" )
+ _sys_all_sessions_descr+=( "${session}:$description" )
+ done
+}
+
+_loginctl_all_users() {
+ local uid description
+ loginctl --no-legend list-users | while read -r uid description; do
+ _sys_all_users+=( "$uid" )
+ _sys_all_users_descr+=( "${uid}:$description" )
+ done
+}
+
+_loginctl_all_seats() {
+ local seat description
+ loginctl --no-legend list-seats | while read -r seat description; do
+ _sys_all_seats+=( "$seat" )
+ _sys_all_seats_descr+=( "${seat}:$description" )
+ done
+}
+
+local fun
+# Completion functions for SESSIONS
+for fun in session-status show-session activate lock-session unlock-session terminate-session kill-session ; do
+ (( $+functions[_loginctl_$fun] )) || _loginctl_$fun()
+ {
+ local -a _sys_all_sessions{,_descr}
+
+ _loginctl_all_sessions
+ for _ignore in $words[2,-1]; do
+ _sys_all_sessions[(i)$_ignore]=()
+ _sys_all_sessions_descr[(i)$_ignore:*]=()
+ done
+
+ if zstyle -T ":completion:${curcontext}:systemd-sessions" verbose; then
+ _describe -t systemd-sessions session _sys_all_sessions_descr _sys_all_sessions "$@"
+ else
+ local expl
+ _wanted systemd-sessions expl session compadd "$@" -a _sys_all_sessions
+ fi
+ }
+done
+
+# Completion functions for USERS
+for fun in user-status show-user enable-linger disable-linger terminate-user kill-user ; do
+ (( $+functions[_loginctl_$fun] )) || _loginctl_$fun()
+ {
+ local -a _sys_all_users{,_descr}
+ zstyle -a ":completion:${curcontext}:users" users _sys_all_users
+
+ if ! (( $#_sys_all_users )); then
+ _loginctl_all_users
+ fi
+
+ for _ignore in $words[2,-1]; do
+ _sys_all_users[(i)$_ignore]=()
+ _sys_all_users_descr[(i)$_ignore:*]=()
+ done
+
+ # using the common tag `users' here, not rolling our own `systemd-users' tag
+ if zstyle -T ":completion:${curcontext}:users" verbose; then
+ _describe -t users user ${_sys_all_users_descr:+_sys_all_users_descr} _sys_all_users "$@"
+ else
+ local expl
+ _wanted users expl user compadd "$@" -a _sys_all_users
+ fi
+ }
+done
+
+# Completion functions for SEATS
+(( $+functions[_loginctl_seats] )) || _loginctl_seats()
+{
+ local -a _sys_all_seats{,_descr}
+
+ _loginctl_all_seats
+ for _ignore in $words[2,-1]; do
+ _sys_all_seats[(i)$_ignore]=()
+ _sys_all_seats_descr[(i)$_ignore:*]=()
+ done
+
+ if zstyle -T ":completion:${curcontext}:systemd-seats" verbose; then
+ _describe -t systemd-seats seat _sys_all_seats_descr _sys_all_seats "$@"
+ else
+ local expl
+ _wanted systemd-seats expl seat compadd "$@" -a _sys_all_seats
+ fi
+}
+for fun in seat-status show-seat terminate-seat ; do
+ (( $+functions[_loginctl_$fun] )) || _loginctl_$fun()
+ { _loginctl_seats }
+done
+
+# Completion functions for ATTACH
+(( $+functions[_loginctl_attach] )) || _loginctl_attach()
+{
+ _arguments -w -C -S -s \
+ ':seat:_loginctl_seats' \
+ '*:device:_files'
+}
+
+# no loginctl completion for:
+# [STANDALONE]='list-sessions list-users list-seats flush-devices'
+
+(( $+functions[_loginctl_command] )) || _loginctl_command()
+{
+ local -a _loginctl_cmds
+ _loginctl_cmds=(
+ "list-sessions:List sessions"
+ "session-status:Show session status"
+ "show-session:Show properties of one or more sessions"
+ "activate:Activate a session"
+ "lock-session:Screen lock one or more sessions"
+ "unlock-session:Screen unlock one or more sessions"
+ "lock-sessions:Screen lock all current sessions"
+ "unlock-sessions:Screen unlock all current sessions"
+ "terminate-session:Terminate one or more sessions"
+ "kill-session:Send signal to processes of a session"
+ "list-users:List users"
+ "user-status:Show user status"
+ "show-user:Show properties of one or more users"
+ "enable-linger:Enable linger state of one or more users"
+ "disable-linger:Disable linger state of one or more users"
+ "terminate-user:Terminate all sessions of one or more users"
+ "kill-user:Send signal to processes of a user"
+ "list-seats:List seats"
+ "seat-status:Show seat status"
+ "show-seat:Show properties of one or more seats"
+ "attach:Attach one or more devices to a seat"
+ "flush-devices:Flush all device associations"
+ "terminate-seat:Terminate all sessions on one or more seats"
+ )
+
+ if (( CURRENT == 1 )); then
+ _describe -t commands 'loginctl command' _loginctl_cmds || compadd "$@"
+ else
+ local curcontext="$curcontext" _ignore
+
+ cmd="${${_loginctl_cmds[(r)$words[1]:*]%%:*}}"
+
+ if (( $#cmd )); then
+ curcontext="${curcontext%:*:*}:loginctl-${cmd}:"
+
+ _call_function ret _loginctl_$cmd || _message 'no more arguments'
+ else
+ _message "unknown loginctl command: $words[1]"
+ fi
+ return ret
+ fi
+}
+
+
+_arguments -s \
+ {-h,--help}'[Show help]' \
+ '--version[Show package version]' \
+ \*{-p+,--property=}'[Show only properties by this name]:unit property' \
+ {-a,--all}'[Show all properties, including empty ones]' \
+ '--kill-who=[Who to send signal to]:killwho:(main control all)' \
+ {-s+,--signal=}'[Which signal to send]:signal:_signals' \
+ {-H+,--host=}'[Operate on remote host]:userathost:_sd_hosts_or_user_at_host' \
+ {-M+,--machine=}'[Operate on local container]:machine:_sd_machines' \
+ {-l,--full}'[Do not ellipsize output]' \
+ '--no-pager[Do not pipe output into a pager]' \
+ '--no-legend[Do not show the headers and footers]' \
+ '--no-ask-password[Do not ask for system passwords]' \
+ {-n+,--lines=}'[Number of journal entries to show]' \
+ {-o+,--output=}'[Change journal output mode]:output modes:_sd_outputmodes' \
+ '*::loginctl command:_loginctl_command'
diff --git a/src/grp-login/loginctl/loginctl.xml b/src/grp-login/loginctl/loginctl.xml
new file mode 100644
index 0000000000..fb51740503
--- /dev/null
+++ b/src/grp-login/loginctl/loginctl.xml
@@ -0,0 +1,459 @@
+<?xml version='1.0'?> <!--*-nxml-*-->
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
+ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+<!--
+ 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/>.
+-->
+
+<refentry id="loginctl" conditional='ENABLE_LOGIND'
+ xmlns:xi="http://www.w3.org/2001/XInclude">
+
+ <refentryinfo>
+ <title>loginctl</title>
+ <productname>systemd</productname>
+
+ <authorgroup>
+ <author>
+ <contrib>Developer</contrib>
+ <firstname>Lennart</firstname>
+ <surname>Poettering</surname>
+ <email>lennart@poettering.net</email>
+ </author>
+ </authorgroup>
+ </refentryinfo>
+
+ <refmeta>
+ <refentrytitle>loginctl</refentrytitle>
+ <manvolnum>1</manvolnum>
+ </refmeta>
+
+ <refnamediv>
+ <refname>loginctl</refname>
+ <refpurpose>Control the systemd login manager</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <cmdsynopsis>
+ <command>loginctl</command>
+ <arg choice="opt" rep="repeat">OPTIONS</arg>
+ <arg choice="req">COMMAND</arg>
+ <arg choice="opt" rep="repeat">NAME</arg>
+ </cmdsynopsis>
+ </refsynopsisdiv>
+
+ <refsect1>
+ <title>Description</title>
+
+ <para><command>loginctl</command> may be used to introspect and
+ control the state of the
+ <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+ login manager
+ <citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
+ </refsect1>
+
+ <refsect1>
+ <title>Options</title>
+
+ <para>The following options are understood:</para>
+
+ <variablelist>
+ <varlistentry>
+ <term><option>--no-ask-password</option></term>
+
+ <listitem><para>Do not query the user for authentication for
+ privileged operations.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-p</option></term>
+ <term><option>--property=</option></term>
+
+ <listitem><para>When showing session/user/seat properties,
+ limit display to certain properties as specified as argument.
+ If not specified, all set properties are shown. The argument
+ should be a property name, such as
+ <literal>Sessions</literal>. If specified more than once, all
+ properties with the specified names are
+ shown.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>--value</option></term>
+
+ <listitem>
+ <para>When printing properties with <command>show</command>,
+ only print the value, and skip the property name and
+ <literal>=</literal>.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-a</option></term>
+ <term><option>--all</option></term>
+
+ <listitem><para>When showing session/user/seat properties,
+ show all properties regardless of whether they are set or
+ not.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-l</option></term>
+ <term><option>--full</option></term>
+
+ <listitem><para>Do not ellipsize process tree entries.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>--kill-who=</option></term>
+
+ <listitem><para>When used with
+ <command>kill-session</command>, choose which processes to
+ kill. Must be one of <option>leader</option>, or
+ <option>all</option> to select whether to kill only the leader
+ process of the session or all processes of the session. If
+ omitted, defaults to <option>all</option>.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-s</option></term>
+ <term><option>--signal=</option></term>
+
+ <listitem><para>When used with <command>kill-session</command>
+ or <command>kill-user</command>, choose which signal to send
+ to selected processes. Must be one of the well known signal
+ specifiers, such as <constant>SIGTERM</constant>,
+ <constant>SIGINT</constant> or <constant>SIGSTOP</constant>.
+ If omitted, defaults to
+ <constant>SIGTERM</constant>.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-n</option></term>
+ <term><option>--lines=</option></term>
+
+ <listitem><para>When used with <command>user-status</command>
+ and <command>session-status</command>, controls the number of
+ journal lines to show, counting from the most recent ones.
+ Takes a positive integer argument. Defaults to 10.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-o</option></term>
+ <term><option>--output=</option></term>
+
+ <listitem><para>When used with <command>user-status</command>
+ and <command>session-status</command>, controls the formatting
+ of the journal entries that are shown. For the available
+ choices, see
+ <citerefentry><refentrytitle>journalctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>.
+ Defaults to <literal>short</literal>.</para></listitem>
+ </varlistentry>
+
+ <xi:include href="user-system-options.xml" xpointer="host" />
+ <xi:include href="user-system-options.xml" xpointer="machine" />
+
+ <xi:include href="standard-options.xml" xpointer="no-pager" />
+ <xi:include href="standard-options.xml" xpointer="no-legend" />
+ <xi:include href="standard-options.xml" xpointer="help" />
+ <xi:include href="standard-options.xml" xpointer="version" />
+ </variablelist>
+ </refsect1>
+
+ <refsect1>
+ <title>Commands</title>
+
+ <para>The following commands are understood:</para>
+
+ <refsect2><title>Session Commands</title><variablelist>
+
+ <varlistentry>
+ <term><command>list-sessions</command></term>
+
+ <listitem><para>List current sessions.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>session-status</command> <optional><replaceable>ID</replaceable>...</optional></term>
+
+ <listitem><para>Show terse runtime status information about
+ one or more sessions, followed by the most recent log data
+ from the journal. Takes one or more session identifiers as
+ parameters. If no session identifiers are passed, the status of
+ the caller's session is shown. This function is intended to
+ generate human-readable output. If you are looking for
+ computer-parsable output, use <command>show-session</command>
+ instead.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>show-session</command> <optional><replaceable>ID</replaceable>...</optional></term>
+
+ <listitem><para>Show properties of one or more sessions or the
+ manager itself. If no argument is specified, properties of the
+ manager will be shown. If a session ID is specified,
+ properties of the session are shown. By default, empty
+ properties are suppressed. Use <option>--all</option> to show
+ those too. To select specific properties to show, use
+ <option>--property=</option>. This command is intended to be
+ used whenever computer-parsable output is required. Use
+ <command>session-status</command> if you are looking for
+ formatted human-readable output.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>activate</command> <optional><replaceable>ID</replaceable></optional></term>
+
+ <listitem><para>Activate a session. This brings a session into
+ the foreground if another session is currently in the
+ foreground on the respective seat. Takes a session identifier
+ as argument. If no argument is specified, the session of the
+ caller is put into foreground.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>lock-session</command> <optional><replaceable>ID</replaceable>...</optional></term>
+ <term><command>unlock-session</command> <optional><replaceable>ID</replaceable>...</optional></term>
+
+ <listitem><para>Activates/deactivates the screen lock on one
+ or more sessions, if the session supports it. Takes one or
+ more session identifiers as arguments. If no argument is
+ specified, the session of the caller is locked/unlocked.
+ </para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>lock-sessions</command></term>
+ <term><command>unlock-sessions</command></term>
+
+ <listitem><para>Activates/deactivates the screen lock on all
+ current sessions supporting it. </para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>terminate-session</command> <replaceable>ID</replaceable>...</term>
+
+ <listitem><para>Terminates a session. This kills all processes
+ of the session and deallocates all resources attached to the
+ session. </para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>kill-session</command> <replaceable>ID</replaceable>...</term>
+
+ <listitem><para>Send a signal to one or more processes of the
+ session. Use <option>--kill-who=</option> to select which
+ process to kill. Use <option>--signal=</option> to select the
+ signal to send.</para></listitem>
+ </varlistentry>
+ </variablelist></refsect2>
+
+ <refsect2><title>User Commands</title><variablelist>
+ <varlistentry>
+ <term><command>list-users</command></term>
+
+ <listitem><para>List currently logged in users.
+ </para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>user-status</command> <optional><replaceable>USER</replaceable>...</optional></term>
+
+ <listitem><para>Show terse runtime status information about
+ one or more logged in users, followed by the most recent log
+ data from the journal. Takes one or more user names or numeric
+ user IDs as parameters. If no parameters are passed, the status
+ of the caller's user is shown. This function is intended to
+ generate human-readable output. If you are looking for
+ computer-parsable output, use <command>show-user</command>
+ instead. Users may be specified by their usernames or numeric
+ user IDs. </para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>show-user</command> <optional><replaceable>USER</replaceable>...</optional></term>
+
+ <listitem><para>Show properties of one or more users or the
+ manager itself. If no argument is specified, properties of the
+ manager will be shown. If a user is specified, properties of
+ the user are shown. By default, empty properties are
+ suppressed. Use <option>--all</option> to show those too. To
+ select specific properties to show, use
+ <option>--property=</option>. This command is intended to be
+ used whenever computer-parsable output is required. Use
+ <command>user-status</command> if you are looking for
+ formatted human-readable output.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>enable-linger</command> <optional><replaceable>USER</replaceable>...</optional></term>
+ <term><command>disable-linger</command> <optional><replaceable>USER</replaceable>...</optional></term>
+
+ <listitem><para>Enable/disable user lingering for one or more
+ users. If enabled for a specific user, a user manager is
+ spawned for the user at boot and kept around after logouts.
+ This allows users who are not logged in to run long-running
+ services. Takes one or more user names or numeric UIDs as
+ argument. If no argument is specified, enables/disables
+ lingering for the user of the session of the caller.</para>
+
+ <para>See also <varname>KillUserProcesses=</varname> setting in
+ <citerefentry><refentrytitle>logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
+ </para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>terminate-user</command> <replaceable>USER</replaceable>...</term>
+
+ <listitem><para>Terminates all sessions of a user. This kills
+ all processes of all sessions of the user and deallocates all
+ runtime resources attached to the user.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>kill-user</command> <replaceable>USER</replaceable>...</term>
+
+ <listitem><para>Send a signal to all processes of a user. Use
+ <option>--signal=</option> to select the signal to send.
+ </para></listitem>
+ </varlistentry>
+ </variablelist></refsect2>
+
+ <refsect2><title>Seat Commands</title><variablelist>
+ <varlistentry>
+ <term><command>list-seats</command></term>
+
+ <listitem><para>List currently available seats on the local
+ system.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>seat-status</command> <optional><replaceable>NAME</replaceable>...</optional></term>
+
+ <listitem><para>Show terse runtime status information about
+ one or more seats. Takes one or more seat names as parameters.
+ If no seat names are passed the status of the caller's
+ session's seat is shown. This function is intended to generate
+ human-readable output. If you are looking for
+ computer-parsable output, use <command>show-seat</command>
+ instead.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>show-seat</command> <optional><replaceable>NAME</replaceable>...</optional></term>
+
+ <listitem><para>Show properties of one or more seats or the
+ manager itself. If no argument is specified, properties of the
+ manager will be shown. If a seat is specified, properties of
+ the seat are shown. By default, empty properties are
+ suppressed. Use <option>--all</option> to show those too. To
+ select specific properties to show, use
+ <option>--property=</option>. This command is intended to be
+ used whenever computer-parsable output is required. Use
+ <command>seat-status</command> if you are looking for
+ formatted human-readable output.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>attach</command> <replaceable>NAME</replaceable> <replaceable>DEVICE</replaceable>...</term>
+
+ <listitem><para>Persistently attach one or more devices to a
+ seat. The devices should be specified via device paths in the
+ <filename>/sys</filename> file system. To create a new seat,
+ attach at least one graphics card to a previously unused seat
+ name. Seat names may consist only of a–z, A–Z, 0–9,
+ <literal>-</literal> and <literal>_</literal> and must be
+ prefixed with <literal>seat</literal>. To drop assignment of a
+ device to a specific seat, just reassign it to a different
+ seat, or use <command>flush-devices</command>.
+ </para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>flush-devices</command></term>
+
+ <listitem><para>Removes all device assignments previously
+ created with <command>attach</command>. After this call, only
+ automatically generated seats will remain, and all seat
+ hardware is assigned to them.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>terminate-seat</command> <replaceable>NAME</replaceable>...</term>
+
+ <listitem><para>Terminates all sessions on a seat. This kills
+ all processes of all sessions on the seat and deallocates all
+ runtime resources attached to them.</para></listitem>
+ </varlistentry>
+ </variablelist></refsect2>
+
+ </refsect1>
+
+ <refsect1>
+ <title>Exit status</title>
+
+ <para>On success, 0 is returned, a non-zero failure code
+ otherwise.</para>
+ </refsect1>
+
+ <refsect1>
+ <title>Examples</title>
+
+ <example>
+ <title>Querying user status</title>
+
+ <programlisting>$ loginctl user-status
+fatima (1005)
+ Since: Sat 2016-04-09 14:23:31 EDT; 54min ago
+ State: active
+ Sessions: 5 *3
+ Unit: user-1005.slice
+ ├─user@1005.service
+ ...
+ ├─session-3.scope
+ ...
+ └─session-5.scope
+ ├─3473 login -- fatima
+ └─3515 -zsh
+
+Apr 09 14:40:30 laptop login[2325]: pam_unix(login:session):
+ session opened for user fatima by LOGIN(uid=0)
+Apr 09 14:40:30 laptop login[2325]: LOGIN ON tty3 BY fatima
+</programlisting>
+
+ <para>There are two sessions, 3 and 5. Session 3 is a graphical session,
+ marked with a star. The tree of processing including the two corresponding
+ scope units and the user manager unit are shown.</para>
+ </example>
+ </refsect1>
+
+ <xi:include href="less-variables.xml" />
+
+ <refsect1>
+ <title>See Also</title>
+ <para>
+ <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ </para>
+ </refsect1>
+
+</refentry>
diff --git a/src/grp-login/loginctl/sysfs-show.c b/src/grp-login/loginctl/sysfs-show.c
new file mode 100644
index 0000000000..ff4babdc74
--- /dev/null
+++ b/src/grp-login/loginctl/sysfs-show.c
@@ -0,0 +1,190 @@
+/***
+ 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 "systemd-basic/alloc-util.h"
+#include "systemd-basic/locale-util.h"
+#include "systemd-basic/path-util.h"
+#include "systemd-basic/string-util.h"
+#include "systemd-basic/terminal-util.h"
+#include "systemd-basic/util.h"
+#include "systemd-shared/udev-util.h"
+
+#include "sysfs-show.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) {
+ _cleanup_udev_device_unref_ struct udev_device *d = NULL;
+ struct udev_list_entry *next, *lookahead;
+ const char *sn, *name, *sysfs, *subsystem, *sysname;
+ _cleanup_free_ char *k = NULL, *l = NULL;
+ bool is_master;
+
+ 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";
+
+ /* Explicitly also check for tag 'seat' here */
+ if (!streq(seat, sn) || !udev_device_has_tag(d, "seat")) {
+ *item = udev_list_entry_get_next(*item);
+ continue;
+ }
+
+ is_master = udev_device_has_tag(d, "master-of-seat");
+
+ 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)) {
+ _cleanup_udev_device_unref_ struct udev_device *lookahead_d = NULL;
+
+ lookahead_d = udev_device_new_from_syspath(udev, lookahead_sysfs);
+ if (lookahead_d) {
+ const char *lookahead_sn;
+
+ lookahead_sn = udev_device_get_property_value(d, "ID_SEAT");
+ if (isempty(lookahead_sn))
+ lookahead_sn = "seat0";
+
+ if (streq(seat, lookahead_sn) && udev_device_has_tag(lookahead_d, "seat"))
+ break;
+ }
+ }
+
+ lookahead = udev_list_entry_get_next(lookahead);
+ }
+
+ k = ellipsize(sysfs, n_columns, 20);
+ if (!k)
+ return -ENOMEM;
+
+ printf("%s%s%s\n", prefix, special_glyph(lookahead ? TREE_BRANCH : TREE_RIGHT), k);
+
+ if (asprintf(&l,
+ "%s%s:%s%s%s%s",
+ is_master ? "[MASTER] " : "",
+ subsystem, sysname,
+ name ? " \"" : "", strempty(name), name ? "\"" : "") < 0)
+ return -ENOMEM;
+
+ free(k);
+ k = ellipsize(l, n_columns, 70);
+ if (!k)
+ return -ENOMEM;
+
+ printf("%s%s%s\n", prefix, lookahead ? special_glyph(TREE_VERTICAL) : " ", k);
+
+ *item = next;
+ if (*item) {
+ _cleanup_free_ char *p = NULL;
+
+ p = strappend(prefix, lookahead ? special_glyph(TREE_VERTICAL) : " ");
+ if (!p)
+ return -ENOMEM;
+
+ show_sysfs_one(udev, seat, item, sysfs, p, n_columns - 2);
+ }
+ }
+
+ return 0;
+}
+
+int show_sysfs(const char *seat, const char *prefix, unsigned n_columns) {
+ _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
+ _cleanup_udev_unref_ struct udev *udev = NULL;
+ struct udev_list_entry *first = NULL;
+ 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)
+ return -ENOMEM;
+
+ if (!streq(seat, "seat0"))
+ r = udev_enumerate_add_match_tag(e, seat);
+ else
+ r = udev_enumerate_add_match_tag(e, "seat");
+ if (r < 0)
+ return r;
+
+ r = udev_enumerate_add_match_is_initialized(e);
+ if (r < 0)
+ return r;
+
+ r = udev_enumerate_scan_devices(e);
+ if (r < 0)
+ return r;
+
+ first = udev_enumerate_get_list_entry(e);
+ if (first)
+ show_sysfs_one(udev, seat, &first, "/", prefix, n_columns);
+ else
+ printf("%s%s%s\n", prefix, special_glyph(TREE_RIGHT), "(none)");
+
+ return r;
+}
diff --git a/src/grp-login/loginctl/sysfs-show.h b/src/grp-login/loginctl/sysfs-show.h
new file mode 100644
index 0000000000..3e94bc3ed5
--- /dev/null
+++ b/src/grp-login/loginctl/sysfs-show.h
@@ -0,0 +1,22 @@
+#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/>.
+***/
+
+int show_sysfs(const char *seat, const char *prefix, unsigned columns);