diff options
author | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-12 17:44:16 -0400 |
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committer | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-12 17:44:16 -0400 |
commit | f7a649ae84b76e91ab70db924190727f9a2b7c22 (patch) | |
tree | 311f4d415b767b6d331d9fb42139246755397f11 /src/login/loginctl.c | |
parent | 3995a53b0db59471e4ccc3d92276a0d8831d3865 (diff) |
./move.sh
Diffstat (limited to 'src/login/loginctl.c')
-rw-r--r-- | src/login/loginctl.c | 1585 |
1 files changed, 0 insertions, 1585 deletions
diff --git a/src/login/loginctl.c b/src/login/loginctl.c deleted file mode 100644 index 1c75565636..0000000000 --- a/src/login/loginctl.c +++ /dev/null @@ -1,1585 +0,0 @@ -/*** - 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 "sd-bus.h" - -#include "alloc-util.h" -#include "bus-error.h" -#include "bus-unit-util.h" -#include "bus-util.h" -#include "cgroup-show.h" -#include "cgroup-util.h" -#include "log.h" -#include "logs-show.h" -#include "macro.h" -#include "pager.h" -#include "parse-util.h" -#include "process-util.h" -#include "signal-util.h" -#include "spawn-polkit-agent.h" -#include "strv.h" -#include "sysfs-show.h" -#include "terminal-util.h" -#include "unit-name.h" -#include "user-util.h" -#include "util.h" -#include "verbs.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; - bool 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; - bool 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[]) { - _cleanup_(sd_bus_flush_close_unrefp) 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: - pager_close(); - polkit_agent_close(); - - strv_free(arg_property); - - return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; -} |