Copyright 2011 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ 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.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU General Public License
+ 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 "logind.h"
#include "dbus-common.h"
#include "strv.h"
+#include "mkdir.h"
+#include "path-util.h"
#include "polkit.h"
#include "special.h"
+#include "systemd/sd-id128.h"
+#include "systemd/sd-messages.h"
#define BUS_MANAGER_INTERFACE \
" <interface name=\"org.freedesktop.login1.Manager\">\n" \
" <method name=\"UnlockSession\">\n" \
" <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
" </method>\n" \
+ " <method name=\"LockSessions\"/>\n" \
" <method name=\"KillSession\">\n" \
" <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
" <arg name=\"who\" type=\"s\" direction=\"in\"/>\n" \
" <method name=\"Reboot\">\n" \
" <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \
" </method>\n" \
+ " <method name=\"Suspend\">\n" \
+ " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \
+ " </method>\n" \
+ " <method name=\"Hibernate\">\n" \
+ " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \
+ " </method>\n" \
" <method name=\"CanPowerOff\">\n" \
" <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \
" </method>\n" \
" <method name=\"CanReboot\">\n" \
" <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \
" </method>\n" \
+ " <method name=\"CanSuspend\">\n" \
+ " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \
+ " </method>\n" \
+ " <method name=\"CanHibernate\">\n" \
+ " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \
+ " </method>\n" \
+ " <method name=\"Inhibit\">\n" \
+ " <arg name=\"what\" type=\"s\" direction=\"in\"/>\n" \
+ " <arg name=\"who\" type=\"s\" direction=\"in\"/>\n" \
+ " <arg name=\"why\" type=\"s\" direction=\"in\"/>\n" \
+ " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
+ " <arg name=\"fd\" type=\"h\" direction=\"out\"/>\n" \
+ " </method>\n" \
+ " <method name=\"ListInhibitors\">\n" \
+ " <arg name=\"inhibitors\" type=\"a(ssssuu)\" direction=\"out\"/>\n" \
+ " </method>\n" \
" <signal name=\"SessionNew\">\n" \
" <arg name=\"id\" type=\"s\"/>\n" \
" <arg name=\"path\" type=\"o\"/>\n" \
" <arg name=\"id\" type=\"s\"/>\n" \
" <arg name=\"path\" type=\"o\"/>\n" \
" </signal>\n" \
+ " <signal name=\"PrepareForShutdown\">\n" \
+ " <arg name=\"active\" type=\"b\"/>\n" \
+ " </signal>\n" \
+ " <signal name=\"PrepareForSleep\">\n" \
+ " <arg name=\"active\" type=\"b\"/>\n" \
+ " </signal>\n" \
" <property name=\"ControlGroupHierarchy\" type=\"s\" access=\"read\"/>\n" \
" <property name=\"Controllers\" type=\"as\" access=\"read\"/>\n" \
" <property name=\"ResetControllers\" type=\"as\" access=\"read\"/>\n" \
" <property name=\"IdleHint\" type=\"b\" access=\"read\"/>\n" \
" <property name=\"IdleSinceHint\" type=\"t\" access=\"read\"/>\n" \
" <property name=\"IdleSinceHintMonotonic\" type=\"t\" access=\"read\"/>\n" \
+ " <property name=\"BlockInhibited\" type=\"s\" access=\"read\"/>\n" \
+ " <property name=\"DelayInhibited\" type=\"s\" access=\"read\"/>\n" \
+ " <property name=\"InhibitDelayMaxUSec\" type=\"t\" access=\"read\"/>\n" \
+ " <property name=\"HandlePowerKey\" type=\"s\" access=\"read\"/>\n" \
+ " <property name=\"HandleSleepKey\" type=\"s\" access=\"read\"/>\n" \
+ " <property name=\"HandleLidSwitch\" type=\"s\" access=\"read\"/>\n" \
+ " <property name=\"PreparingForShutdown\" type=\"b\" access=\"read\"/>\n" \
+ " <property name=\"PreparingForSleep\" type=\"b\" access=\"read\"/>\n" \
" </interface>\n"
#define INTROSPECTION_BEGIN \
return 0;
}
+static int bus_manager_append_inhibited(DBusMessageIter *i, const char *property, void *data) {
+ Manager *m = data;
+ InhibitWhat w;
+ const char *p;
+
+ w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY);
+ p = inhibit_what_to_string(w);
+
+ if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &p))
+ return -ENOMEM;
+
+ return 0;
+}
+
+static int bus_manager_append_preparing(DBusMessageIter *i, const char *property, void *data) {
+ Manager *m = data;
+ dbus_bool_t b;
+
+ assert(i);
+ assert(property);
+
+ if (streq(property, "PreparingForShutdown"))
+ b = !!(m->delayed_what & INHIBIT_SHUTDOWN);
+ else
+ b = !!(m->delayed_what & INHIBIT_SLEEP);
+
+ dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b);
+ return 0;
+}
+
static int bus_manager_create_session(Manager *m, DBusMessage *message, DBusMessage **_reply) {
Session *session = NULL;
User *user = NULL;
vtnr = (uint32_t) v;
else if (vtnr != (uint32_t) v)
return -EINVAL;
+ } else if (tty_is_console(tty)) {
+
+ if (!s)
+ s = m->vtconsole;
+ else if (s != m->vtconsole)
+ return -EINVAL;
+
+ if (vtnr != 0)
+ return -EINVAL;
} else if (!isempty(tty) && s && seat_is_vtconsole(s))
return -EINVAL;
if (s) {
if (seat_can_multi_session(s)) {
- if (vtnr <= 0 || vtnr > 63)
+ if (vtnr > 63)
return -EINVAL;
} else {
- if (vtnr > 0)
+ if (vtnr != 0)
return -EINVAL;
}
}
} else {
do {
free(id);
- asprintf(&id, "c%lu", ++m->session_counter);
+ id = NULL;
- if (!id) {
+ if (asprintf(&id, "c%lu", ++m->session_counter) < 0) {
r = -ENOMEM;
goto fail;
}
return r;
}
+static int bus_manager_inhibit(Manager *m, DBusConnection *connection, DBusMessage *message, DBusError *error, DBusMessage **_reply) {
+ Inhibitor *i = NULL;
+ char *id = NULL;
+ const char *who, *why, *what, *mode;
+ pid_t pid;
+ InhibitWhat w;
+ InhibitMode mm;
+ unsigned long ul;
+ int r, fifo_fd = -1;
+ DBusMessage *reply = NULL;
+
+ assert(m);
+ assert(connection);
+ assert(message);
+ assert(error);
+ assert(_reply);
+
+ if (!dbus_message_get_args(
+ message,
+ error,
+ DBUS_TYPE_STRING, &what,
+ DBUS_TYPE_STRING, &who,
+ DBUS_TYPE_STRING, &why,
+ DBUS_TYPE_STRING, &mode,
+ DBUS_TYPE_INVALID)) {
+ r = -EIO;
+ goto fail;
+ }
+
+ w = inhibit_what_from_string(what);
+ if (w <= 0) {
+ r = -EINVAL;
+ goto fail;
+ }
+
+ mm = inhibit_mode_from_string(mode);
+ if (mm < 0) {
+ r = -EINVAL;
+ goto fail;
+ }
+
+ r = verify_polkit(connection, message,
+ m == INHIBIT_BLOCK ?
+ "org.freedesktop.login1.inhibit-block" :
+ "org.freedesktop.login1.inhibit-delay", false, NULL, error);
+ if (r < 0)
+ goto fail;
+
+ ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error);
+ if (ul == (unsigned long) -1) {
+ r = -EIO;
+ goto fail;
+ }
+
+ pid = bus_get_unix_process_id(connection, dbus_message_get_sender(message), error);
+ if (pid <= 0) {
+ r = -EIO;
+ goto fail;
+ }
+
+ do {
+ free(id);
+ id = NULL;
+
+ if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0) {
+ r = -ENOMEM;
+ goto fail;
+ }
+ } while (hashmap_get(m->inhibitors, id));
+
+ r = manager_add_inhibitor(m, id, &i);
+ free(id);
+
+ if (r < 0)
+ goto fail;
+
+ i->what = w;
+ i->mode = mm;
+ i->pid = pid;
+ i->uid = (uid_t) ul;
+ i->why = strdup(why);
+ i->who = strdup(who);
+
+ if (!i->why || !i->who) {
+ r = -ENOMEM;
+ goto fail;
+ }
+
+ fifo_fd = inhibitor_create_fifo(i);
+ if (fifo_fd < 0) {
+ r = fifo_fd;
+ goto fail;
+ }
+
+ reply = dbus_message_new_method_return(message);
+ if (!reply) {
+ r = -ENOMEM;
+ goto fail;
+ }
+
+ if (!dbus_message_append_args(
+ reply,
+ DBUS_TYPE_UNIX_FD, &fifo_fd,
+ DBUS_TYPE_INVALID)) {
+ r = -ENOMEM;
+ goto fail;
+ }
+
+ close_nointr_nofail(fifo_fd);
+ *_reply = reply;
+
+ inhibitor_start(i);
+
+ return 0;
+
+fail:
+ if (i)
+ inhibitor_free(i);
+
+ if (fifo_fd >= 0)
+ close_nointr_nofail(fifo_fd);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ return r;
+}
+
static int trigger_device(Manager *m, struct udev_device *d) {
struct udev_enumerate *e;
struct udev_list_entry *first, *item;
goto finish;
}
- mkdir_p("/etc/udev/rules.d", 0755);
+ mkdir_p_label("/etc/udev/rules.d", 0755);
r = write_one_line_file_atomic(file, rule);
if (r < 0)
goto finish;
DBusMessage *message,
DBusError *error) {
- Session *s;
+ Session *session;
+ Iterator i;
+ unsigned long ul;
assert(m);
- if (hashmap_size(m->sessions) > 1)
- return true;
+ ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error);
+ if (ul == (unsigned long) -1)
+ return -EIO;
- /* Hmm, there's only one session, but let's make sure it
- * actually belongs to the user who is asking. If not, better
- * be safe than sorry. */
+ /* Check for other users' sessions. Greeter sessions do not count. */
+ HASHMAP_FOREACH(session, m->sessions, i)
+ if (session->class == SESSION_USER && session->user->uid != ul)
+ return true;
- s = hashmap_first(m->sessions);
- if (s) {
- unsigned long ul;
+ return false;
+}
+
+static int send_start_unit(DBusConnection *connection, const char *unit_name, DBusError *error) {
+ const char *mode = "replace";
+
+ assert(unit_name);
+
+ return bus_method_call_with_reply (
+ connection,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "StartUnit",
+ NULL,
+ NULL,
+ DBUS_TYPE_STRING, &unit_name,
+ DBUS_TYPE_STRING, &mode,
+ DBUS_TYPE_INVALID);
+}
+
+static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
+ static const char * const signal_name[_INHIBIT_WHAT_MAX] = {
+ [INHIBIT_SHUTDOWN] = "PrepareForShutdown",
+ [INHIBIT_SLEEP] = "PrepareForSleep"
+ };
- ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error);
- if (ul == (unsigned long) -1)
- return -EIO;
+ dbus_bool_t active = _active;
+ DBusMessage *message;
+ int r = 0;
+
+ assert(m);
+ assert(w >= 0);
+ assert(w < _INHIBIT_WHAT_MAX);
+ assert(signal_name[w]);
+
+ message = dbus_message_new_signal("/org/freedesktop/login1", "org.freedesktop.login1.Manager", signal_name[w]);
+ if (!message)
+ return -ENOMEM;
+
+ if (!dbus_message_append_args(message, DBUS_TYPE_BOOLEAN, &active, DBUS_TYPE_INVALID) ||
+ !dbus_connection_send(m->bus, message, NULL))
+ r = -ENOMEM;
+
+ dbus_message_unref(message);
+ return r;
+}
+
+static int delay_shutdown_or_sleep(Manager *m, InhibitWhat w, const char *unit_name) {
+ assert(m);
+ assert(w >= 0);
+ assert(w < _INHIBIT_WHAT_MAX);
- return s->user->uid != ul;
+ /* Tell everybody to prepare for shutdown/sleep */
+ send_prepare_for(m, w, true);
+
+ /* Update timestamp for timeout */
+ if (!m->delayed_unit)
+ m->delayed_timestamp = now(CLOCK_MONOTONIC);
+
+ /* Remember what we want to do, possibly overriding what kind
+ * of unit we previously queued. */
+ m->delayed_unit = unit_name;
+ m->delayed_what = w;
+
+ return 0;
+}
+
+static int bus_manager_can_shutdown_or_sleep(
+ Manager *m,
+ DBusConnection *connection,
+ DBusMessage *message,
+ InhibitWhat w,
+ const char *action,
+ const char *action_multiple_sessions,
+ const char *action_ignore_inhibit,
+ const char *sleep_type,
+ DBusError *error,
+ DBusMessage **_reply) {
+
+ bool multiple_sessions, challenge, blocked, b;
+ const char *result;
+ DBusMessage *reply = NULL;
+ int r;
+
+ assert(m);
+ assert(connection);
+ assert(message);
+ assert(w >= 0);
+ assert(w <= _INHIBIT_WHAT_MAX);
+ assert(action);
+ assert(action_multiple_sessions);
+ assert(action_ignore_inhibit);
+ assert(error);
+ assert(_reply);
+
+ if (sleep_type) {
+ r = can_sleep(sleep_type);
+ if (r < 0)
+ return r;
+
+ if (r == 0) {
+ result = "na";
+ goto finish;
+ }
}
- return false;
+ r = have_multiple_sessions(connection, m, message, error);
+ if (r < 0)
+ return r;
+
+ multiple_sessions = r > 0;
+ blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL);
+
+ if (multiple_sessions) {
+ r = verify_polkit(connection, message, action_multiple_sessions, false, &challenge, error);
+ if (r < 0)
+ return r;
+
+ if (r > 0)
+ result = "yes";
+ else if (challenge)
+ result = "challenge";
+ else
+ result = "no";
+ }
+
+ if (blocked) {
+ r = verify_polkit(connection, message, action_ignore_inhibit, false, &challenge, error);
+ if (r < 0)
+ return r;
+
+ if (r > 0 && !result)
+ result = "yes";
+ else if (challenge && (!result || streq(result, "yes")))
+ result = "challenge";
+ else
+ result = "no";
+ }
+
+ if (!multiple_sessions && !blocked) {
+ /* If neither inhibit nor multiple sessions
+ * apply then just check the normal policy */
+
+ r = verify_polkit(connection, message, action, false, &challenge, error);
+ if (r < 0)
+ return r;
+
+ if (r > 0)
+ result = "yes";
+ else if (challenge)
+ result = "challenge";
+ else
+ result = "no";
+ }
+
+finish:
+ reply = dbus_message_new_method_return(message);
+ if (!reply)
+ return -ENOMEM;
+
+ b = dbus_message_append_args(
+ reply,
+ DBUS_TYPE_STRING, &result,
+ DBUS_TYPE_INVALID);
+ if (!b) {
+ dbus_message_unref(reply);
+ return -ENOMEM;
+ }
+
+ *_reply = reply;
+ return 0;
+}
+
+static int bus_manager_log_shutdown(
+ Manager *m,
+ InhibitWhat w,
+ const char *unit_name) {
+
+ const char *p, *q;
+
+ assert(m);
+ assert(unit_name);
+
+ if (w != INHIBIT_SHUTDOWN)
+ return 0;
+
+ if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) {
+ p = "MESSAGE=System is powering down.";
+ q = "SHUTDOWN=power-off";
+ } else if (streq(unit_name, SPECIAL_HALT_TARGET)) {
+ p = "MESSAGE=System is halting.";
+ q = "SHUTDOWN=halt";
+ } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) {
+ p = "MESSAGE=System is rebooting.";
+ q = "SHUTDOWN=reboot";
+ } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) {
+ p = "MESSAGE=System is rebooting with kexec.";
+ q = "SHUTDOWN=kexec";
+ } else {
+ p = "MESSAGE=System is shutting down.";
+ q = NULL;
+ }
+
+ return log_struct(LOG_NOTICE,
+ "MESSAGE_ID=" SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(SD_MESSAGE_SHUTDOWN),
+ p,
+ q, NULL);
+}
+
+int bus_manager_shutdown_or_sleep_now_or_later(
+ Manager *m,
+ const char *unit_name,
+ InhibitWhat w,
+ DBusError *error) {
+
+ bool delayed;
+ int r;
+
+ assert(m);
+ assert(unit_name);
+ assert(w >= 0);
+ assert(w <= _INHIBIT_WHAT_MAX);
+
+ delayed =
+ m->inhibit_delay_max > 0 &&
+ manager_is_inhibited(m, w, INHIBIT_DELAY, NULL);
+
+ if (delayed)
+ /* Shutdown is delayed, keep in mind what we
+ * want to do, and start a timeout */
+ r = delay_shutdown_or_sleep(m, w, unit_name);
+ else {
+ bus_manager_log_shutdown(m, w, unit_name);
+
+ /* Shutdown is not delayed, execute it
+ * immediately */
+ r = send_start_unit(m->bus, unit_name, error);
+ }
+
+ return r;
+}
+
+static int bus_manager_do_shutdown_or_sleep(
+ Manager *m,
+ DBusConnection *connection,
+ DBusMessage *message,
+ const char *unit_name,
+ InhibitWhat w,
+ const char *action,
+ const char *action_multiple_sessions,
+ const char *action_ignore_inhibit,
+ const char *sleep_type,
+ DBusError *error,
+ DBusMessage **_reply) {
+
+ dbus_bool_t interactive;
+ bool multiple_sessions, blocked;
+ DBusMessage *reply = NULL;
+ int r;
+
+ assert(m);
+ assert(connection);
+ assert(message);
+ assert(unit_name);
+ assert(w >= 0);
+ assert(w <= _INHIBIT_WHAT_MAX);
+ assert(action);
+ assert(action_multiple_sessions);
+ assert(action_ignore_inhibit);
+ assert(error);
+ assert(_reply);
+
+ if (!dbus_message_get_args(
+ message,
+ error,
+ DBUS_TYPE_BOOLEAN, &interactive,
+ DBUS_TYPE_INVALID))
+ return -EINVAL;
+
+ if (sleep_type) {
+ r = can_sleep(sleep_type);
+ if (r < 0)
+ return r;
+
+ if (r == 0)
+ return -ENOTSUP;
+ }
+
+ r = have_multiple_sessions(connection, m, message, error);
+ if (r < 0)
+ return r;
+
+ multiple_sessions = r > 0;
+ blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL);
+
+ if (multiple_sessions) {
+ r = verify_polkit(connection, message, action_multiple_sessions, interactive, NULL, error);
+ if (r < 0)
+ return r;
+ }
+
+ if (blocked) {
+ r = verify_polkit(connection, message, action_ignore_inhibit, interactive, NULL, error);
+ if (r < 0)
+ return r;
+ }
+
+ if (!multiple_sessions && !blocked) {
+ r = verify_polkit(connection, message, action, interactive, NULL, error);
+ if (r < 0)
+ return r;
+ }
+
+ r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error);
+ if (r < 0)
+ return r;
+
+ reply = dbus_message_new_method_return(message);
+ if (!reply)
+ return -ENOMEM;
+
+ *_reply = reply;
+ return 0;
}
+static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_handle_button, handle_button, HandleButton);
+
static const BusProperty bus_login_manager_properties[] = {
{ "ControlGroupHierarchy", bus_property_append_string, "s", offsetof(Manager, cgroup_path), true },
{ "Controllers", bus_property_append_strv, "as", offsetof(Manager, controllers), true },
{ "IdleHint", bus_manager_append_idle_hint, "b", 0 },
{ "IdleSinceHint", bus_manager_append_idle_hint_since, "t", 0 },
{ "IdleSinceHintMonotonic", bus_manager_append_idle_hint_since, "t", 0 },
+ { "BlockInhibited", bus_manager_append_inhibited, "s", 0 },
+ { "DelayInhibited", bus_manager_append_inhibited, "s", 0 },
+ { "InhibitDelayMaxUSec", bus_property_append_usec, "t", offsetof(Manager, inhibit_delay_max) },
+ { "HandlePowerKey", bus_manager_append_handle_button, "s", offsetof(Manager, handle_power_key) },
+ { "HandleSleepKey", bus_manager_append_handle_button, "s", offsetof(Manager, handle_sleep_key) },
+ { "HandleLidSwitch", bus_manager_append_handle_button, "s", offsetof(Manager, handle_lid_switch) },
+ { "PreparingForShutdown", bus_manager_append_preparing, "b", 0 },
+ { "PreparingForSleep", bus_manager_append_preparing, "b", 0 },
{ NULL, }
};
if (!dbus_message_iter_close_container(&iter, &sub))
goto oom;
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListInhibitors")) {
+ Inhibitor *inhibitor;
+ Iterator i;
+ DBusMessageIter iter, sub;
+
+ reply = dbus_message_new_method_return(message);
+ if (!reply)
+ goto oom;
+
+ dbus_message_iter_init_append(reply, &iter);
+
+ if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(ssssuu)", &sub))
+ goto oom;
+
+ HASHMAP_FOREACH(inhibitor, m->inhibitors, i) {
+ DBusMessageIter sub2;
+ dbus_uint32_t uid, pid;
+ const char *what, *who, *why, *mode;
+
+ if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
+ goto oom;
+
+ what = strempty(inhibit_what_to_string(inhibitor->what));
+ who = strempty(inhibitor->who);
+ why = strempty(inhibitor->why);
+ mode = strempty(inhibit_mode_to_string(inhibitor->mode));
+ uid = (dbus_uint32_t) inhibitor->uid;
+ pid = (dbus_uint32_t) inhibitor->pid;
+
+ if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &what) ||
+ !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &who) ||
+ !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &why) ||
+ !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &mode) ||
+ !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &uid) ||
+ !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &pid))
+ goto oom;
+
+ if (!dbus_message_iter_close_container(&sub, &sub2))
+ goto oom;
+ }
+
+ if (!dbus_message_iter_close_container(&iter, &sub))
+ goto oom;
+
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Inhibit")) {
+
+ r = bus_manager_inhibit(m, connection, message, &error, &reply);
+
+ if (r < 0)
+ return bus_send_error_reply(connection, message, &error, r);
+
+
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CreateSession")) {
r = bus_manager_create_session(m, message, &reply);
* see this fail quickly then be retried later */
if (r < 0)
- return bus_send_error_reply(connection, message, &error, r);
+ return bus_send_error_reply(connection, message, NULL, r);
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ReleaseSession")) {
const char *name;
if (!reply)
goto oom;
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "LockSessions")) {
+ Session *session;
+ Iterator i;
+
+ HASHMAP_FOREACH(session, m->sessions, i)
+ if (session_send_lock(session, true) < 0)
+ goto oom;
+
+ reply = dbus_message_new_method_return(message);
+ if (!reply)
+ goto oom;
+
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "KillSession")) {
const char *swho;
int32_t signo;
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
- mkdir_p("/var/lib/systemd", 0755);
+ mkdir_p_label("/var/lib/systemd", 0755);
- r = safe_mkdir("/var/lib/systemd/linger", 0755, 0, 0);
+ r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
if (!reply)
goto oom;
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "PowerOff") ||
- dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Reboot")) {
- dbus_bool_t interactive;
- bool multiple_sessions;
- DBusMessage *forward, *freply;
- const char *name;
- const char *mode = "replace";
- const char *action;
-
- if (!dbus_message_get_args(
- message,
- &error,
- DBUS_TYPE_BOOLEAN, &interactive,
- DBUS_TYPE_INVALID))
- return bus_send_error_reply(connection, message, &error, -EINVAL);
-
- r = have_multiple_sessions(connection, m, message, &error);
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "PowerOff")) {
+
+ r = bus_manager_do_shutdown_or_sleep(
+ m, connection, message,
+ SPECIAL_POWEROFF_TARGET,
+ INHIBIT_SHUTDOWN,
+ "org.freedesktop.login1.power-off",
+ "org.freedesktop.login1.power-off-multiple-sessions",
+ "org.freedesktop.login1.power-off-ignore-inhibit",
+ NULL,
+ &error, &reply);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
-
- multiple_sessions = r > 0;
-
- if (streq(dbus_message_get_member(message), "PowerOff")) {
- if (multiple_sessions)
- action = "org.freedesktop.login1.power-off-multiple-sessions";
- else
- action = "org.freedesktop.login1.power-off";
-
- name = SPECIAL_POWEROFF_TARGET;
- } else {
- if (multiple_sessions)
- action = "org.freedesktop.login1.reboot-multiple-sessions";
- else
- action = "org.freedesktop.login1.reboot";
-
- name = SPECIAL_REBOOT_TARGET;
- }
-
- r = verify_polkit(connection, message, action, interactive, NULL, &error);
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Reboot")) {
+ r = bus_manager_do_shutdown_or_sleep(
+ m, connection, message,
+ SPECIAL_REBOOT_TARGET,
+ INHIBIT_SHUTDOWN,
+ "org.freedesktop.login1.reboot",
+ "org.freedesktop.login1.reboot-multiple-sessions",
+ "org.freedesktop.login1.reboot-ignore-inhibit",
+ NULL,
+ &error, &reply);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
- forward = dbus_message_new_method_call(
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "StartUnit");
- if (!forward)
- return bus_send_error_reply(connection, message, NULL, -ENOMEM);
-
- if (!dbus_message_append_args(forward,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_STRING, &mode,
- DBUS_TYPE_INVALID)) {
- dbus_message_unref(forward);
- return bus_send_error_reply(connection, message, NULL, -ENOMEM);
- }
-
- freply = dbus_connection_send_with_reply_and_block(connection, forward, -1, &error);
- dbus_message_unref(forward);
-
- if (!freply)
- return bus_send_error_reply(connection, message, &error, -EIO);
-
- dbus_message_unref(freply);
-
- reply = dbus_message_new_method_return(message);
- if (!reply)
- goto oom;
-
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanPowerOff") ||
- dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanReboot")) {
-
- bool multiple_sessions, challenge, b;
- const char *t, *action;
-
- r = have_multiple_sessions(connection, m, message, &error);
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Suspend")) {
+ r = bus_manager_do_shutdown_or_sleep(
+ m, connection, message,
+ SPECIAL_SUSPEND_TARGET,
+ INHIBIT_SLEEP,
+ "org.freedesktop.login1.suspend",
+ "org.freedesktop.login1.suspend-multiple-sessions",
+ "org.freedesktop.login1.suspend-ignore-inhibit",
+ "mem",
+ &error, &reply);
+ if (r < 0)
+ return bus_send_error_reply(connection, message, &error, r);
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Hibernate")) {
+ r = bus_manager_do_shutdown_or_sleep(
+ m, connection, message,
+ SPECIAL_HIBERNATE_TARGET,
+ INHIBIT_SLEEP,
+ "org.freedesktop.login1.hibernate",
+ "org.freedesktop.login1.hibernate-multiple-sessions",
+ "org.freedesktop.login1.hibernate-ignore-inhibit",
+ "disk",
+ &error, &reply);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
- multiple_sessions = r > 0;
-
- if (streq(dbus_message_get_member(message), "CanPowerOff")) {
- if (multiple_sessions)
- action = "org.freedesktop.login1.power-off-multiple-sessions";
- else
- action = "org.freedesktop.login1.power-off";
-
- } else {
- if (multiple_sessions)
- action = "org.freedesktop.login1.reboot-multiple-sessions";
- else
- action = "org.freedesktop.login1.reboot";
- }
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanPowerOff")) {
- r = verify_polkit(connection, message, action, false, &challenge, &error);
+ r = bus_manager_can_shutdown_or_sleep(
+ m, connection, message,
+ INHIBIT_SHUTDOWN,
+ "org.freedesktop.login1.power-off",
+ "org.freedesktop.login1.power-off-multiple-sessions",
+ "org.freedesktop.login1.power-off-ignore-inhibit",
+ NULL,
+ &error, &reply);
+ if (r < 0)
+ return bus_send_error_reply(connection, message, &error, r);
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanReboot")) {
+ r = bus_manager_can_shutdown_or_sleep(
+ m, connection, message,
+ INHIBIT_SHUTDOWN,
+ "org.freedesktop.login1.reboot",
+ "org.freedesktop.login1.reboot-multiple-sessions",
+ "org.freedesktop.login1.reboot-ignore-inhibit",
+ NULL,
+ &error, &reply);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
- reply = dbus_message_new_method_return(message);
- if (!reply)
- goto oom;
-
- t = r > 0 ? "yes" :
- challenge ? "challenge" :
- "no";
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanSuspend")) {
+ r = bus_manager_can_shutdown_or_sleep(
+ m, connection, message,
+ INHIBIT_SLEEP,
+ "org.freedesktop.login1.suspend",
+ "org.freedesktop.login1.suspend-multiple-sessions",
+ "org.freedesktop.login1.suspend-ignore-inhibit",
+ "mem",
+ &error, &reply);
+ if (r < 0)
+ return bus_send_error_reply(connection, message, &error, r);
- b = dbus_message_append_args(
- reply,
- DBUS_TYPE_STRING, &t,
- DBUS_TYPE_INVALID);
- if (!b)
- goto oom;
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanHibernate")) {
+ r = bus_manager_can_shutdown_or_sleep(
+ m, connection, message,
+ INHIBIT_SLEEP,
+ "org.freedesktop.login1.hibernate",
+ "org.freedesktop.login1.hibernate-multiple-sessions",
+ "org.freedesktop.login1.hibernate-ignore-inhibit",
+ "disk",
+ &error, &reply);
+ if (r < 0)
+ return bus_send_error_reply(connection, message, &error, r);
} else if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect")) {
char *introspection = NULL;
return r;
}
+
+int manager_dispatch_delayed(Manager *manager) {
+ const char *unit_name;
+ DBusError error;
+ bool delayed;
+ int r;
+
+ assert(manager);
+
+ if (!manager->delayed_unit)
+ return 0;
+
+ /* Continue delay? */
+ delayed =
+ manager->delayed_timestamp + manager->inhibit_delay_max > now(CLOCK_MONOTONIC) &&
+ manager_is_inhibited(manager, manager->delayed_what, INHIBIT_DELAY, NULL);
+ if (delayed)
+ return 0;
+
+ bus_manager_log_shutdown(manager, manager->delayed_what, manager->delayed_unit);
+
+ /* Reset delay data */
+ unit_name = manager->delayed_unit;
+ manager->delayed_unit = NULL;
+
+ /* Actually do the shutdown */
+ dbus_error_init(&error);
+ r = send_start_unit(manager->bus, unit_name, &error);
+ if (r < 0) {
+ log_warning("Failed to send delayed message: %s", bus_error_message_or_strerror(&error, -r));
+ dbus_error_free(&error);
+ return r;
+ }
+
+ /* Tell people about it */
+ send_prepare_for(manager, manager->delayed_what, false);
+
+ return 1;
+}