--- /dev/null
+/***
+ This file is part of elogind.
+
+ Copyright 2017 Sven Eden
+
+ elogind 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.
+
+ elogind 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 elogind; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+
+#include "bus-error.h"
+#include "bus-util.h"
+#include "eloginctl.h"
+#include "logind-action.h"
+#include "parse-util.h"
+#include "process-util.h"
+#include "sd-login.h"
+#include "spawn-polkit-agent.h"
+#include "string-util.h"
+#include "strv.h"
+#include "terminal-util.h"
+#include "user-util.h"
+#include "virt.h"
+
+
+elogind_action arg_action = _ACTION_INVALID;
+bool arg_ask_password = true;
+bool arg_ignore_inhibitors = false;
+bool arg_no_wall = false;
+BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
+char** arg_wall = NULL;
+usec_t arg_when = 0;
+
+static const struct {
+ HandleAction action;
+ const char* verb;
+} action_table[_ACTION_MAX] = {
+ [ACTION_POWEROFF] = { HANDLE_POWEROFF, "poweroff", },
+ [ACTION_REBOOT] = { HANDLE_REBOOT, "reboot", },
+ [ACTION_SUSPEND] = { HANDLE_SUSPEND, "suspend", },
+ [ACTION_HIBERNATE] = { HANDLE_HIBERNATE, "hibernate", },
+ [ACTION_HYBRID_SLEEP] = { HANDLE_HYBRID_SLEEP, "hybrid-sleep" },
+};
+
+static int elogind_set_wall_message(sd_bus* bus, const char* msg);
+
+static enum elogind_action verb_to_action(const char *verb) {
+ enum elogind_action i;
+
+ for (i = _ACTION_INVALID; i < _ACTION_MAX; i++)
+ if (streq_ptr(action_table[i].verb, verb))
+ return i;
+
+ return _ACTION_INVALID;
+}
+
+static int check_inhibitors(sd_bus* bus, enum elogind_action a) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_strv_free_ char **sessions = NULL;
+ const char *what, *who, *why, *mode;
+ uint32_t uid, pid;
+ unsigned c = 0;
+ char **s;
+ int r;
+
+ if (arg_ignore_inhibitors)
+ return 0;
+
+ if (arg_when > 0)
+ return 0;
+
+ if (geteuid() == 0)
+ return 0;
+
+ if (!on_tty())
+ return 0;
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ "ListInhibitors",
+ NULL,
+ &reply,
+ NULL);
+ if (r < 0)
+ /* If logind is not around, then there are no inhibitors... */
+ return 0;
+
+ r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
+ _cleanup_free_ char *comm = NULL, *user = NULL;
+ _cleanup_strv_free_ char **sv = NULL;
+
+ if (!streq(mode, "block"))
+ continue;
+
+ sv = strv_split(what, ":");
+ if (!sv)
+ return log_oom();
+
+ if ((pid_t) pid < 0)
+ return log_error_errno(ERANGE, "Bad PID %"PRIu32": %m", pid);
+
+ if (!strv_contains(sv,
+ IN_SET(a,
+ ACTION_HALT,
+ ACTION_POWEROFF,
+ ACTION_REBOOT,
+ ACTION_KEXEC) ? "shutdown" : "sleep"))
+ continue;
+
+ get_process_comm(pid, &comm);
+ user = uid_to_name(uid);
+
+ log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
+ who, (pid_t) pid, strna(comm), strna(user), why);
+
+ c++;
+ }
+ 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);
+
+ /* Check for current sessions */
+ sd_get_sessions(&sessions);
+ STRV_FOREACH(s, sessions) {
+ _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
+
+ if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
+ continue;
+
+ if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
+ continue;
+
+ if (sd_session_get_type(*s, &type) < 0 || (!streq(type, "x11") && !streq(type, "tty")))
+ continue;
+
+ sd_session_get_tty(*s, &tty);
+ sd_session_get_seat(*s, &seat);
+ sd_session_get_service(*s, &service);
+ user = uid_to_name(uid);
+
+ log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
+ c++;
+ }
+
+ if (c <= 0)
+ return 0;
+
+ log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'loginctl -i %s'.",
+ action_table[a].verb);
+
+ return -EPERM;
+}
+
+int elogind_cancel_shutdown(sd_bus *bus) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ int r;
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ "CancelScheduledShutdown",
+ &error,
+ NULL, NULL);
+ if (r < 0)
+ return log_warning_errno(r, "Failed to talk to elogind, shutdown hasn't been cancelled: %s", bus_error_message(&error, r));
+
+ return 0;
+}
+
+void elogind_cleanup(void) {
+ polkit_agent_close();
+ strv_free(arg_wall);
+}
+
+static int elogind_reboot(sd_bus *bus, enum elogind_action a) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ const char *method = NULL;
+ int r;
+ static const char *table[_ACTION_MAX] = {
+ [ACTION_REBOOT] = "The system is going down for reboot NOW!",
+ [ACTION_POWEROFF] = "The system is going down for power-off NOW!"
+ };
+
+ if (!bus)
+ return -EIO;
+
+ polkit_agent_open_if_enabled();
+
+ switch (a) {
+
+ case ACTION_POWEROFF:
+ method = "PowerOff";
+ break;
+
+ case ACTION_REBOOT:
+ method = "Reboot";
+ break;
+
+ case ACTION_SUSPEND:
+ method = "Suspend";
+ break;
+
+ case ACTION_HIBERNATE:
+ method = "Hibernate";
+ break;
+
+ case ACTION_HYBRID_SLEEP:
+ method = "HybridSleep";
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ r = elogind_set_wall_message(bus, table[a]);
+
+ if (r < 0) {
+ log_warning_errno(r, "Failed to set wall message, ignoring: %s",
+ bus_error_message(&error, r));
+ sd_bus_error_free(&error);
+ }
+
+ /* Now call elogind itself to request the operation */
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ method,
+ &error,
+ NULL,
+ "b",
+ arg_ask_password);
+
+ if (r < 0)
+ log_error("Failed to execute operation: %s", bus_error_message(&error, r));
+
+ return r;
+}
+
+static int elogind_schedule_shutdown(sd_bus *bus, enum elogind_action a) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ const char *method = NULL;
+ int r;
+
+ if (!bus)
+ return -EIO;
+
+ polkit_agent_open_if_enabled();
+
+ switch (a) {
+
+ case ACTION_POWEROFF:
+ method = "poweroff";
+ break;
+
+ case ACTION_REBOOT:
+ method = "reboot";
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ r = elogind_set_wall_message(bus, NULL);
+
+ if (r < 0) {
+ log_warning_errno(r, "Failed to set wall message, ignoring: %s",
+ bus_error_message(&error, r));
+ sd_bus_error_free(&error);
+ }
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ "ScheduleShutdown",
+ &error,
+ NULL,
+ "st",
+ method,
+ arg_when);
+
+ if (r < 0)
+ log_error("Failed to execute operation: %s", bus_error_message(&error, r));
+
+ return r;
+}
+
+static int elogind_set_wall_message(sd_bus* bus, const char* msg) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_free_ char *m = NULL;
+ int r;
+
+ if (strv_extend(&arg_wall, msg) < 0)
+ return log_oom();
+
+ m = strv_join(arg_wall, " ");
+ if (!m)
+ return log_oom();
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ "SetWallMessage",
+ &error,
+ NULL,
+ "sb",
+ m,
+ !arg_no_wall);
+
+ if (r < 0)
+ return log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r));
+
+ return 0;
+}
+
+static int parse_shutdown_time_spec(const char *t, usec_t *_u) {
+ assert(t);
+ assert(_u);
+
+ if (streq(t, "now"))
+ *_u = 0;
+ else if (!strchr(t, ':')) {
+ uint64_t u;
+
+ if (safe_atou64(t, &u) < 0)
+ return -EINVAL;
+
+ *_u = now(CLOCK_REALTIME) + USEC_PER_MINUTE * u;
+ } else {
+ char *e = NULL;
+ long hour, minute;
+ struct tm tm = {};
+ time_t s;
+ usec_t n;
+
+ errno = 0;
+ hour = strtol(t, &e, 10);
+ if (errno > 0 || *e != ':' || hour < 0 || hour > 23)
+ return -EINVAL;
+
+ minute = strtol(e+1, &e, 10);
+ if (errno > 0 || *e != 0 || minute < 0 || minute > 59)
+ return -EINVAL;
+
+ n = now(CLOCK_REALTIME);
+ s = (time_t) (n / USEC_PER_SEC);
+
+ assert_se(localtime_r(&s, &tm));
+
+ tm.tm_hour = (int) hour;
+ tm.tm_min = (int) minute;
+ tm.tm_sec = 0;
+
+ assert_se(s = mktime(&tm));
+
+ *_u = (usec_t) s * USEC_PER_SEC;
+
+ while (*_u <= n)
+ *_u += USEC_PER_DAY;
+ }
+
+ return 0;
+}
+
+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();
+}
+
+int start_special(int argc, char *argv[], void *userdata) {
+ sd_bus *bus = userdata;
+ enum elogind_action a;
+ int r;
+ char** wall = NULL;
+
+ assert(argv);
+
+ a = verb_to_action(argv[0]);
+
+ /* Switch to cancel shutdown, if a shutdown action was requested,
+ and the option to cancel it was set: */
+ if ( IN_SET(a, ACTION_POWEROFF, ACTION_REBOOT)
+ && (arg_action == ACTION_CANCEL_SHUTDOWN) )
+ return elogind_cancel_shutdown(bus);
+
+ r = check_inhibitors(bus, a);
+ if (r < 0)
+ return r;
+
+ /* No power off actions in chroot environments */
+ if ((a == ACTION_POWEROFF ||
+ a == ACTION_REBOOT) &&
+ (running_in_chroot() > 0) ) {
+ log_info("Running in chroot, ignoring request.");
+ return 0;
+ }
+
+ /* Check time arguments */
+ if ( IN_SET(a, ACTION_POWEROFF, ACTION_REBOOT)
+ && (argc > 1)
+ && (arg_action != ACTION_CANCEL_SHUTDOWN) ) {
+ r = parse_shutdown_time_spec(argv[1], &arg_when);
+ if (r < 0) {
+ log_error("Failed to parse time specification: %s", argv[optind]);
+ return r;
+ }
+ } else
+ arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
+
+ /* The optional user wall message must be set */
+ if ((argc > 1) && (arg_action == ACTION_CANCEL_SHUTDOWN) )
+ /* No time argument for shutdown cancel */
+ wall = argv + 1;
+ else if (argc > 2)
+ /* We skip the time argument */
+ wall = argv + 2;
+
+ if (wall) {
+ arg_wall = strv_copy(wall);
+ if (!arg_wall)
+ return log_oom();
+ }
+
+ /* Perform requested action */
+ if (IN_SET(a,
+ ACTION_POWEROFF,
+ ACTION_REBOOT,
+ ACTION_SUSPEND,
+ ACTION_HIBERNATE,
+ ACTION_HYBRID_SLEEP)) {
+ if (arg_when > 0)
+ return elogind_schedule_shutdown(bus, a);
+ else
+ return elogind_reboot(bus, a);
+ }
+
+ return -EOPNOTSUPP;
+}
+
#include "parse-util.h"
#include "process-util.h"
#include "signal-util.h"
-#include "spawn-polkit-agent.h"
+//#include "spawn-polkit-agent.h"
#include "strv.h"
#include "sysfs-show.h"
#include "terminal-util.h"
#include "util.h"
#include "verbs.h"
-/// Additional includes for elogind
-#include "logind-action.h"
-#include "musl_missing.h"
-#include "sd-login.h"
-#include "virt.h"
+/// Additional includes needed by elogind
+#include "eloginctl.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_no_wall = false;
static bool arg_legend = true;
static const char *arg_kill_who = NULL;
static int arg_signal = SIGTERM;
+#if 0 /// UNNEEDED by elogind
static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
static char *arg_host = NULL;
-static usec_t arg_when = 0;
-static char **arg_wall = NULL;
static bool arg_ask_password = true;
-static bool arg_ignore_inhibitors = false;
-#if 0 /// UNNEEDED by elogind
static unsigned arg_lines = 10;
static OutputMode arg_output = OUTPUT_SHORT;
+#else
+/// Instead we need this:
+extern BusTransport arg_transport;
+static char *arg_host = NULL;
+extern bool arg_ask_password;
+extern bool arg_no_wall;
+extern usec_t arg_when;
+extern bool arg_ignore_inhibitors;
+extern elogind_action arg_action;
#endif // 0
-static enum action {
- _ACTION_INVALID,
- ACTION_HALT,
- ACTION_POWEROFF,
- ACTION_REBOOT,
- ACTION_KEXEC,
- ACTION_SUSPEND,
- ACTION_HIBERNATE,
- ACTION_HYBRID_SLEEP,
- ACTION_CANCEL_SHUTDOWN,
- _ACTION_MAX
-} arg_action;
-
+#if 0 /// UNNEEDED by elogind
static void polkit_agent_open_if_enabled(void) {
/* Open the polkit agent as a child process if necessary */
polkit_agent_open();
}
-#if 0 /// UNNEEDED by elogind
static OutputFlags get_output_flags(void) {
return
return 0;
}
-static int logind_set_wall_message(sd_bus* bus, const char* msg) {
- _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_free_ char *m = NULL;
- int r;
-
- if (strv_extend(&arg_wall, msg) < 0)
- return log_oom();
-
- m = strv_join(arg_wall, " ");
- if (!m)
- return log_oom();
-
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.login1",
- "/org/freedesktop/login1",
- "org.freedesktop.login1.Manager",
- "SetWallMessage",
- &error,
- NULL,
- "sb",
- m,
- !arg_no_wall);
-
- if (r < 0)
- return log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r));
-
- return 0;
-}
-
-static int elogind_cancel_shutdown(sd_bus *bus) {
- _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
- int r;
-
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.login1",
- "/org/freedesktop/login1",
- "org.freedesktop.login1.Manager",
- "CancelScheduledShutdown",
- &error,
- NULL, NULL);
- if (r < 0)
- return log_warning_errno(r, "Failed to talk to elogind, shutdown hasn't been cancelled: %s", bus_error_message(&error, r));
-
- return 0;
-}
-
-static int elogind_schedule_shutdown(sd_bus *bus, enum action a) {
- _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
- const char *method = NULL;
- int r;
-
- if (!bus)
- return -EIO;
-
- polkit_agent_open_if_enabled();
-
- switch (a) {
-
- case ACTION_POWEROFF:
- method = "poweroff";
- break;
-
- case ACTION_REBOOT:
- method = "reboot";
- break;
-
- default:
- return -EINVAL;
- }
-
- r = logind_set_wall_message(bus, NULL);
-
- if (r < 0) {
- log_warning_errno(r, "Failed to set wall message, ignoring: %s",
- bus_error_message(&error, r));
- sd_bus_error_free(&error);
- }
-
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.login1",
- "/org/freedesktop/login1",
- "org.freedesktop.login1.Manager",
- "ScheduleShutdown",
- &error,
- NULL,
- "st",
- method,
- arg_when);
-
- if (r < 0)
- log_error("Failed to execute operation: %s", bus_error_message(&error, r));
-
- return r;
-}
-
-static int elogind_reboot(sd_bus *bus, enum action a) {
- _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
- const char *method = NULL;
- int r;
- static const char *table[_ACTION_MAX] = {
- [ACTION_REBOOT] = "The system is going down for reboot NOW!",
- [ACTION_POWEROFF] = "The system is going down for power-off NOW!"
- };
-
- if (!bus)
- return -EIO;
-
- polkit_agent_open_if_enabled();
-
- switch (a) {
-
- case ACTION_POWEROFF:
- method = "PowerOff";
- break;
-
- case ACTION_REBOOT:
- method = "Reboot";
- break;
-
- case ACTION_SUSPEND:
- method = "Suspend";
- break;
-
- case ACTION_HIBERNATE:
- method = "Hibernate";
- break;
-
- case ACTION_HYBRID_SLEEP:
- method = "HybridSleep";
- break;
-
- default:
- return -EINVAL;
- }
-
- r = logind_set_wall_message(bus, table[a]);
-
- if (r < 0) {
- log_warning_errno(r, "Failed to set wall message, ignoring: %s",
- bus_error_message(&error, r));
- sd_bus_error_free(&error);
- }
-
- /* Now call elogind itself to request the operation */
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.login1",
- "/org/freedesktop/login1",
- "org.freedesktop.login1.Manager",
- method,
- &error,
- NULL,
- "b",
- arg_ask_password);
-
- if (r < 0)
- log_error("Failed to execute operation: %s", bus_error_message(&error, r));
-
- return r;
-}
-
-static const struct {
- HandleAction action;
- const char* verb;
-} action_table[_ACTION_MAX] = {
- [ACTION_POWEROFF] = { HANDLE_POWEROFF, "poweroff", },
- [ACTION_REBOOT] = { HANDLE_REBOOT, "reboot", },
- [ACTION_SUSPEND] = { HANDLE_SUSPEND, "suspend", },
- [ACTION_HIBERNATE] = { HANDLE_HIBERNATE, "hibernate", },
- [ACTION_HYBRID_SLEEP] = { HANDLE_HYBRID_SLEEP, "hybrid-sleep" },
-};
-
-static enum action verb_to_action(const char *verb) {
- enum action i;
-
- for (i = _ACTION_INVALID; i < _ACTION_MAX; i++)
- if (streq_ptr(action_table[i].verb, verb))
- return i;
-
- return _ACTION_INVALID;
-}
-
-static int parse_shutdown_time_spec(const char *t, usec_t *_u) {
- assert(t);
- assert(_u);
-
- if (streq(t, "now"))
- *_u = 0;
- else if (!strchr(t, ':')) {
- uint64_t u;
-
- if (safe_atou64(t, &u) < 0)
- return -EINVAL;
-
- *_u = now(CLOCK_REALTIME) + USEC_PER_MINUTE * u;
- } else {
- char *e = NULL;
- long hour, minute;
- struct tm tm = {};
- time_t s;
- usec_t n;
-
- errno = 0;
- hour = strtol(t, &e, 10);
- if (errno > 0 || *e != ':' || hour < 0 || hour > 23)
- return -EINVAL;
-
- minute = strtol(e+1, &e, 10);
- if (errno > 0 || *e != 0 || minute < 0 || minute > 59)
- return -EINVAL;
-
- n = now(CLOCK_REALTIME);
- s = (time_t) (n / USEC_PER_SEC);
-
- assert_se(localtime_r(&s, &tm));
-
- tm.tm_hour = (int) hour;
- tm.tm_min = (int) minute;
- tm.tm_sec = 0;
-
- assert_se(s = mktime(&tm));
-
- *_u = (usec_t) s * USEC_PER_SEC;
-
- while (*_u <= n)
- *_u += USEC_PER_DAY;
- }
-
- return 0;
-}
-
-static int check_inhibitors(sd_bus* bus, enum action a) {
- _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
- _cleanup_strv_free_ char **sessions = NULL;
- const char *what, *who, *why, *mode;
- uint32_t uid, pid;
- unsigned c = 0;
- char **s;
- int r;
-
- if (arg_ignore_inhibitors)
- return 0;
-
- if (arg_when > 0)
- return 0;
-
- if (geteuid() == 0)
- return 0;
-
- if (!on_tty())
- return 0;
-
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.login1",
- "/org/freedesktop/login1",
- "org.freedesktop.login1.Manager",
- "ListInhibitors",
- NULL,
- &reply,
- NULL);
- if (r < 0)
- /* If logind is not around, then there are no inhibitors... */
- return 0;
-
- r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
- if (r < 0)
- return bus_log_parse_error(r);
-
- while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
- _cleanup_free_ char *comm = NULL, *user = NULL;
- _cleanup_strv_free_ char **sv = NULL;
-
- if (!streq(mode, "block"))
- continue;
-
- sv = strv_split(what, ":");
- if (!sv)
- return log_oom();
-
- if ((pid_t) pid < 0)
- return log_error_errno(ERANGE, "Bad PID %"PRIu32": %m", pid);
-
- if (!strv_contains(sv,
- IN_SET(a,
- ACTION_HALT,
- ACTION_POWEROFF,
- ACTION_REBOOT,
- ACTION_KEXEC) ? "shutdown" : "sleep"))
- continue;
-
- get_process_comm(pid, &comm);
- user = uid_to_name(uid);
-
- log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
- who, (pid_t) pid, strna(comm), strna(user), why);
-
- c++;
- }
- 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);
-
- /* Check for current sessions */
- sd_get_sessions(&sessions);
- STRV_FOREACH(s, sessions) {
- _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
-
- if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
- continue;
-
- if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
- continue;
-
- if (sd_session_get_type(*s, &type) < 0 || (!streq(type, "x11") && !streq(type, "tty")))
- continue;
-
- sd_session_get_tty(*s, &tty);
- sd_session_get_seat(*s, &seat);
- sd_session_get_service(*s, &service);
- user = uid_to_name(uid);
-
- log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
- c++;
- }
-
- if (c <= 0)
- return 0;
-
- log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'loginctl -i %s'.",
- action_table[a].verb);
-
- return -EPERM;
-}
-
-static int start_special(int argc, char *argv[], void *userdata) {
- sd_bus *bus = userdata;
- enum action a;
- int r;
- char** wall = NULL;
-
- assert(argv);
-
- a = verb_to_action(argv[0]);
-
- /* Switch to cancel shutdown, if a shutdown action was requested,
- and the option to cancel it was set: */
- if ( IN_SET(a, ACTION_POWEROFF, ACTION_REBOOT)
- && (arg_action == ACTION_CANCEL_SHUTDOWN) )
- return elogind_cancel_shutdown(bus);
-
- r = check_inhibitors(bus, a);
- if (r < 0)
- return r;
-
- /* No power off actions in chroot environments */
- if ((a == ACTION_POWEROFF ||
- a == ACTION_REBOOT) &&
- (running_in_chroot() > 0) ) {
- log_info("Running in chroot, ignoring request.");
- return 0;
- }
-
- /* Check time arguments */
- if ( IN_SET(a, ACTION_POWEROFF, ACTION_REBOOT)
- && (argc > 1)
- && (arg_action != ACTION_CANCEL_SHUTDOWN) ) {
- r = parse_shutdown_time_spec(argv[1], &arg_when);
- if (r < 0) {
- log_error("Failed to parse time specification: %s", argv[optind]);
- return r;
- }
- } else
- arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
-
- /* The optional user wall message must be set */
- if ((argc > 1) && (arg_action == ACTION_CANCEL_SHUTDOWN) )
- /* No time argument for shutdown cancel */
- wall = argv + 1;
- else if (argc > 2)
- /* We skip the time argument */
- wall = argv + 2;
-
- if (wall) {
- arg_wall = strv_copy(wall);
- if (!arg_wall)
- return log_oom();
- }
-
- /* Perform requested action */
- if (IN_SET(a,
- ACTION_POWEROFF,
- ACTION_REBOOT,
- ACTION_SUSPEND,
- ACTION_HIBERNATE,
- ACTION_HYBRID_SLEEP)) {
- if (arg_when > 0)
- return elogind_schedule_shutdown(bus, a);
- else
- return elogind_reboot(bus, a);
- }
-
- return -EOPNOTSUPP;
-}
-
static int help(int argc, char *argv[], void *userdata) {
printf("%s [OPTIONS...] {COMMAND} ...\n\n"
" -h --help Show this help\n"
" --version Show package version\n"
" --no-pager Do not pipe output into a pager\n"
+#if 1 /// elogind supports --no-wall
" --no-wall Do not print any wall message\n"
+#endif // 1
" --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"
" -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"
+#else
+ /// elogind can cancel shutdowns and allows to ignore inhibitors
+ " -c Cancel a pending shutdown or reboot\n"
+ " -i --ignore-inhibitors When shutting down or sleeping, ignore inhibitors\n"
#endif // 0
- " -c Cancel a pending shutdown or reboot\n"
- " -i --ignore-inhibitors When shutting down or sleeping, ignore inhibitors\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"
+ " 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"
+ " 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"
+ " 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"
+#if 1 /// elogind adds some system commands to loginctl
"System Commands:\n"
" poweroff [TIME] [WALL...] Turn off the machine\n"
" reboot [TIME] [WALL...] Reboot the machine\n"
" suspend Suspend the machine to memory\n"
" hibernate Suspend the machine to disk\n"
" hybrid-sleep Suspend the machine to memory and disk\n"
+#endif // 1
, program_invocation_short_name);
return 0;
ARG_VERSION = 0x100,
ARG_VALUE,
ARG_NO_PAGER,
+#if 1 /// elogind supports --no-wall
ARG_NO_WALL,
+#endif // 1
ARG_NO_LEGEND,
ARG_KILL_WHO,
ARG_NO_ASK_PASSWORD,
{ "value", no_argument, NULL, ARG_VALUE },
{ "full", no_argument, NULL, 'l' },
{ "no-pager", no_argument, NULL, ARG_NO_PAGER },
+#if 1 /// elogind supports --no-wall
{ "no-wall", no_argument, NULL, ARG_NO_WALL },
+#endif // 1
{ "no-legend", no_argument, NULL, ARG_NO_LEGEND },
{ "kill-who", required_argument, NULL, ARG_KILL_WHO },
{ "signal", required_argument, NULL, 's' },
#if 0 /// UNNEEDED by elogind
{ "lines", required_argument, NULL, 'n' },
{ "output", required_argument, NULL, 'o' },
-#endif // 0
+#else
+ /// elogind allows to ignore inhibitors for system commands.
{ "ignore-inhibitors", no_argument, NULL, 'i' },
+#endif // 0
{}
};
assert(argc >= 0);
assert(argv);
- while ((c = getopt_long(argc, argv, "hp:als:H:M:n:o:ci", options, NULL)) >= 0) {
+#if 0 /// elogind adds some system commands to loginctl
+ while ((c = getopt_long(argc, argv, "hp:als:H:M:n:o:", options, NULL)) >= 0)
+#else
+ while ((c = getopt_long(argc, argv, "hp:als:H:M:n:o:ci", options, NULL)) >= 0)
+#endif // 0
switch (c) {
case ARG_NO_PAGER:
arg_no_pager = true;
break;
-
+#if 1 /// elogind supports --no-wall
case ARG_NO_WALL:
arg_no_wall = true;
break;
+#endif // 1
case ARG_NO_LEGEND:
arg_legend = false;
arg_transport = BUS_TRANSPORT_MACHINE;
arg_host = optarg;
break;
-
+#if 1 /// elogind can cancel shutdowns and allows to ignore inhibitors
case 'c':
arg_action = ACTION_CANCEL_SHUTDOWN;
break;
case 'i':
arg_ignore_inhibitors = true;
break;
-
+#endif // 1
case '?':
return -EINVAL;
default:
assert_not_reached("Unhandled option");
}
- }
return 1;
}
{ "attach", 3, VERB_ANY, 0, attach },
{ "flush-devices", VERB_ANY, 1, 0, flush_devices },
{ "terminate-seat", 2, VERB_ANY, 0, terminate_seat },
+#if 1 /// elogind adds some system commands to loginctl
{ "poweroff", VERB_ANY, VERB_ANY, 0, start_special },
{ "reboot", VERB_ANY, VERB_ANY, 0, start_special },
{ "suspend", VERB_ANY, 1, 0, start_special },
{ "hibernate", VERB_ANY, 1, 0, start_special },
{ "hybrid-sleep", VERB_ANY, 1, 0, start_special },
{ "cancel-shutdown", VERB_ANY, 1, 0, start_special },
+#endif // 1
{}
};
+#if 1 /// elogind can do shutdown and allows its cancellation
if ((argc == optind) && (ACTION_CANCEL_SHUTDOWN == arg_action))
return elogind_cancel_shutdown(bus);
+#endif // 1
return dispatch_verb(argc, argv, verbs, bus);
}
}
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();
+#if 0 /// elogind does that in elogind_cleanup()
polkit_agent_close();
+#endif // 0
strv_free(arg_property);
- strv_free(arg_wall);
+
+#if 1 /// elogind has some own cleanups to do
+ elogind_cleanup();
+#endif // 1
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}
~ianmdlvl / elogind.git / commitdiff