X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Flogin%2Flogind-dbus.c;h=cbf43fe0a0df8e37e98c6a576be688d9d6071808;hp=3fe6c872b7f79d5229f99a7a426bf1976f2aca9e;hb=8e7fd6ade44ce5dde0867ba748c7978ed1206865;hpb=d1122ad5e3222cc17bfb556c23273598a5fb60fa;ds=sidebyside diff --git a/src/login/logind-dbus.c b/src/login/logind-dbus.c index 3fe6c872b..cbf43fe0a 100644 --- a/src/login/logind-dbus.c +++ b/src/login/logind-dbus.c @@ -28,8 +28,11 @@ #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 \ " \n" \ @@ -97,6 +100,7 @@ " \n" \ " \n" \ " \n" \ + " \n" \ " \n" \ " \n" \ " \n" \ @@ -134,20 +138,33 @@ " \n" \ " \n" \ " \n" \ + " \n" \ + " \n" \ + " \n" \ + " \n" \ + " \n" \ + " \n" \ " \n" \ " \n" \ " \n" \ " \n" \ " \n" \ " \n" \ + " \n" \ + " \n" \ + " \n" \ + " \n" \ + " \n" \ + " \n" \ " \n" \ " \n" \ " \n" \ " \n" \ + " \n" \ " \n" \ " \n" \ " \n" \ - " \n" \ + " \n" \ " \n" \ " \n" \ " \n" \ @@ -173,6 +190,12 @@ " \n" \ " \n" \ " \n" \ + " \n" \ + " \n" \ + " \n" \ + " \n" \ + " \n" \ + " \n" \ " \n" \ " \n" \ " \n" \ @@ -183,7 +206,15 @@ " \n" \ " \n" \ " \n" \ - " \n" \ + " \n" \ + " \n" \ + " \n" \ + " \n" \ + " \n" \ + " \n" \ + " \n" \ + " \n" \ + " \n" \ " \n" #define INTROSPECTION_BEGIN \ @@ -239,7 +270,7 @@ static int bus_manager_append_inhibited(DBusMessageIter *i, const char *property InhibitWhat w; const char *p; - w = manager_inhibit_what(m); + 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)) @@ -248,6 +279,22 @@ static int bus_manager_append_inhibited(DBusMessageIter *i, const char *property 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; @@ -638,9 +685,10 @@ fail: 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; + const char *who, *why, *what, *mode; pid_t pid; InhibitWhat w; + InhibitMode mm; unsigned long ul; int r, fifo_fd = -1; DBusMessage *reply = NULL; @@ -657,6 +705,7 @@ static int bus_manager_inhibit(Manager *m, DBusConnection *connection, DBusMessa DBUS_TYPE_STRING, &what, DBUS_TYPE_STRING, &who, DBUS_TYPE_STRING, &why, + DBUS_TYPE_STRING, &mode, DBUS_TYPE_INVALID)) { r = -EIO; goto fail; @@ -668,7 +717,27 @@ static int bus_manager_inhibit(Manager *m, DBusConnection *connection, DBusMessa goto fail; } - r = verify_polkit(connection, message, "org.freedesktop.login1.inhibit", false, NULL, error); + mm = inhibit_mode_from_string(mode); + if (mm < 0) { + r = -EINVAL; + goto fail; + } + + /* Delay is only supported for shutdown/sleep */ + if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP))) { + r = -EINVAL; + goto fail; + } + + r = verify_polkit(connection, message, + w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") : + w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") : + w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" : + w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" : + w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" : + w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" : + "org.freedesktop.login1.inhibit-handle-lid-switch", + false, NULL, error); if (r < 0) goto fail; @@ -701,6 +770,7 @@ static int bus_manager_inhibit(Manager *m, DBusConnection *connection, DBusMessa goto fail; i->what = w; + i->mode = mm; i->pid = pid; i->uid = (uid_t) ul; i->why = strdup(why); @@ -837,7 +907,7 @@ static int attach_device(Manager *m, const char *seat, const char *sysfs) { 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; @@ -888,36 +958,357 @@ static int flush_devices(Manager *m) { } static int have_multiple_sessions( - DBusConnection *connection, Manager *m, + uid_t uid) { + + Session *session; + Iterator i; + + assert(m); + + /* Check for other users' sessions. Greeter sessions do not count. */ + HASHMAP_FOREACH(session, m->sessions, i) + if (session->class == SESSION_USER && session->user->uid != uid) + return true; + + return false; +} + +static int send_start_unit(DBusConnection *connection, const char *unit_name, DBusError *error) { + const char *mode = "replace"; + + assert(unit_name); + + return bus_method_call_with_reply ( + connection, + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + "StartUnit", + NULL, + NULL, + DBUS_TYPE_STRING, &unit_name, + DBUS_TYPE_STRING, &mode, + DBUS_TYPE_INVALID); +} + +static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) { + static const char * const signal_name[_INHIBIT_WHAT_MAX] = { + [INHIBIT_SHUTDOWN] = "PrepareForShutdown", + [INHIBIT_SLEEP] = "PrepareForSleep" + }; + + dbus_bool_t active = _active; + DBusMessage *message; + int r = 0; + + assert(m); + assert(w >= 0); + assert(w < _INHIBIT_WHAT_MAX); + assert(signal_name[w]); + + message = dbus_message_new_signal("/org/freedesktop/login1", "org.freedesktop.login1.Manager", signal_name[w]); + if (!message) + return -ENOMEM; + + if (!dbus_message_append_args(message, DBUS_TYPE_BOOLEAN, &active, DBUS_TYPE_INVALID) || + !dbus_connection_send(m->bus, message, NULL)) + r = -ENOMEM; + + dbus_message_unref(message); + return r; +} + +static int delay_shutdown_or_sleep(Manager *m, InhibitWhat w, const char *unit_name) { + assert(m); + assert(w >= 0); + assert(w < _INHIBIT_WHAT_MAX); + + /* Tell everybody to prepare for shutdown/sleep */ + send_prepare_for(m, w, true); + + /* Update timestamp for timeout */ + if (!m->delayed_unit) + m->delayed_timestamp = now(CLOCK_MONOTONIC); + + /* Remember what we want to do, possibly overriding what kind + * of unit we previously queued. */ + m->delayed_unit = unit_name; + m->delayed_what = w; + + return 0; +} + +static int bus_manager_can_shutdown_or_sleep( + Manager *m, + DBusConnection *connection, DBusMessage *message, + InhibitWhat w, + const char *action, + const char *action_multiple_sessions, + const char *action_ignore_inhibit, + const char *sleep_type, + DBusError *error, + DBusMessage **_reply) { + + bool multiple_sessions, challenge, blocked, b; + const char *result; + DBusMessage *reply = NULL; + int r; + unsigned long ul; + + assert(m); + assert(connection); + assert(message); + assert(w >= 0); + assert(w <= _INHIBIT_WHAT_MAX); + assert(action); + assert(action_multiple_sessions); + assert(action_ignore_inhibit); + assert(error); + assert(_reply); + + if (sleep_type) { + r = can_sleep(sleep_type); + if (r < 0) + return r; + + if (r == 0) { + result = "na"; + goto finish; + } + } + + ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error); + if (ul == (unsigned long) -1) + return -EIO; + + r = have_multiple_sessions(m, (uid_t) ul); + if (r < 0) + return r; + + multiple_sessions = r > 0; + blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, (uid_t) ul); + + if (multiple_sessions) { + r = verify_polkit(connection, message, action_multiple_sessions, false, &challenge, error); + if (r < 0) + return r; + + if (r > 0) + result = "yes"; + else if (challenge) + result = "challenge"; + else + result = "no"; + } + + if (blocked) { + r = verify_polkit(connection, message, action_ignore_inhibit, false, &challenge, error); + if (r < 0) + return r; + + if (r > 0 && !result) + result = "yes"; + else if (challenge && (!result || streq(result, "yes"))) + result = "challenge"; + else + result = "no"; + } + + if (!multiple_sessions && !blocked) { + /* If neither inhibit nor multiple sessions + * apply then just check the normal policy */ + + r = verify_polkit(connection, message, action, false, &challenge, error); + if (r < 0) + return r; + + if (r > 0) + result = "yes"; + else if (challenge) + result = "challenge"; + else + result = "no"; + } + +finish: + reply = dbus_message_new_method_return(message); + if (!reply) + return -ENOMEM; + + b = dbus_message_append_args( + reply, + DBUS_TYPE_STRING, &result, + DBUS_TYPE_INVALID); + if (!b) { + dbus_message_unref(reply); + return -ENOMEM; + } + + *_reply = reply; + return 0; +} + +static int bus_manager_log_shutdown( + Manager *m, + InhibitWhat w, + const char *unit_name) { + + const char *p, *q; + + assert(m); + assert(unit_name); + + if (w != INHIBIT_SHUTDOWN) + return 0; + + if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) { + p = "MESSAGE=System is powering down."; + q = "SHUTDOWN=power-off"; + } else if (streq(unit_name, SPECIAL_HALT_TARGET)) { + p = "MESSAGE=System is halting."; + q = "SHUTDOWN=halt"; + } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) { + p = "MESSAGE=System is rebooting."; + q = "SHUTDOWN=reboot"; + } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) { + p = "MESSAGE=System is rebooting with kexec."; + q = "SHUTDOWN=kexec"; + } else { + p = "MESSAGE=System is shutting down."; + q = NULL; + } + + return log_struct(LOG_NOTICE, + "MESSAGE_ID=" SD_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) { - Session *s; + bool delayed; + int r; assert(m); + assert(unit_name); + assert(w >= 0); + assert(w <= _INHIBIT_WHAT_MAX); + + delayed = + m->inhibit_delay_max > 0 && + manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0); + + if (delayed) + /* Shutdown is delayed, keep in mind what we + * want to do, and start a timeout */ + r = delay_shutdown_or_sleep(m, w, unit_name); + else { + bus_manager_log_shutdown(m, w, unit_name); - if (hashmap_size(m->sessions) > 1) - return true; + /* Shutdown is not delayed, execute it + * immediately */ + r = send_start_unit(m->bus, unit_name, error); + } - /* 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. */ + return r; +} - s = hashmap_first(m->sessions); - if (s) { - unsigned long ul; +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; + unsigned long ul; - ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error); - if (ul == (unsigned long) -1) - return -EIO; + 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); - return s->user->uid != ul; + 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; } - return false; + ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error); + if (ul == (unsigned long) -1) + return -EIO; + + r = have_multiple_sessions(m, (uid_t) ul); + if (r < 0) + return r; + + multiple_sessions = r > 0; + blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, (uid_t) ul); + + if (multiple_sessions) { + r = verify_polkit(connection, message, action_multiple_sessions, interactive, NULL, error); + if (r < 0) + return r; + } + + if (blocked) { + r = verify_polkit(connection, message, action_ignore_inhibit, interactive, NULL, error); + if (r < 0) + return r; + } + + if (!multiple_sessions && !blocked) { + r = verify_polkit(connection, message, action, interactive, NULL, error); + if (r < 0) + return r; + } + + r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error); + if (r < 0) + return r; + + reply = dbus_message_new_method_return(message); + if (!reply) + return -ENOMEM; + + *_reply = reply; + return 0; } +static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_handle_button, handle_button, HandleButton); + static const BusProperty bus_login_manager_properties[] = { { "ControlGroupHierarchy", bus_property_append_string, "s", offsetof(Manager, cgroup_path), true }, { "Controllers", bus_property_append_strv, "as", offsetof(Manager, controllers), true }, @@ -929,7 +1320,15 @@ static const BusProperty bus_login_manager_properties[] = { { "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 }, - { "Inhibited", bus_manager_append_inhibited, "s", 0 }, + { "BlockInhibited", bus_manager_append_inhibited, "s", 0 }, + { "DelayInhibited", bus_manager_append_inhibited, "s", 0 }, + { "InhibitDelayMaxUSec", bus_property_append_usec, "t", offsetof(Manager, inhibit_delay_max) }, + { "HandlePowerKey", bus_manager_append_handle_button, "s", offsetof(Manager, handle_power_key) }, + { "HandleSuspendKey", bus_manager_append_handle_button, "s", offsetof(Manager, handle_suspend_key) }, + { "HandleHibernateKey", bus_manager_append_handle_button, "s", offsetof(Manager, handle_hibernate_key)}, + { "HandleLidSwitch", bus_manager_append_handle_button, "s", offsetof(Manager, handle_lid_switch) }, + { "PreparingForShutdown", bus_manager_append_preparing, "b", 0 }, + { "PreparingForSleep", bus_manager_append_preparing, "b", 0 }, { NULL, } }; @@ -1228,26 +1627,28 @@ static DBusHandlerResult manager_message_handler( dbus_message_iter_init_append(reply, &iter); - if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(sssuu)", &sub)) + 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; + const char *what, *who, *why, *mode; if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) goto oom; - what = inhibit_what_to_string(inhibitor->what); + 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; @@ -1387,6 +1788,18 @@ static DBusHandlerResult manager_message_handler( 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; @@ -1547,9 +1960,9 @@ static DBusHandlerResult manager_message_handler( 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); @@ -1638,166 +2051,104 @@ static DBusHandlerResult manager_message_handler( 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, inhibit; - DBusMessage *forward, *freply; - const char *name, *action; - const char *mode = "replace"; - - 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; - inhibit = manager_is_inhibited(m, INHIBIT_SHUTDOWN, NULL); - - if (multiple_sessions) { - action = streq(dbus_message_get_member(message), "PowerOff") ? - "org.freedesktop.login1.power-off-multiple-sessions" : - "org.freedesktop.login1.reboot-multiple-sessions"; - - r = verify_polkit(connection, message, action, interactive, NULL, &error); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - } - - if (inhibit) { - action = streq(dbus_message_get_member(message), "PowerOff") ? - "org.freedesktop.login1.power-off-ignore-inhibit" : - "org.freedesktop.login1.reboot-ignore-inhibit"; - - r = verify_polkit(connection, message, action, interactive, NULL, &error); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - } - - if (!multiple_sessions && !inhibit) { - action = streq(dbus_message_get_member(message), "PowerOff") ? - "org.freedesktop.login1.power-off" : - "org.freedesktop.login1.reboot"; - - r = verify_polkit(connection, message, action, interactive, NULL, &error); - 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); - - name = streq(dbus_message_get_member(message), "PowerOff") ? - SPECIAL_POWEROFF_TARGET : SPECIAL_REBOOT_TARGET; - - 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, inhibit, b; - const char *action, *result; - - r = have_multiple_sessions(connection, m, message, &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); - multiple_sessions = r > 0; - inhibit = manager_is_inhibited(m, INHIBIT_SHUTDOWN, NULL); - - if (multiple_sessions) { - action = streq(dbus_message_get_member(message), "CanPowerOff") ? - "org.freedesktop.login1.power-off-multiple-sessions" : - "org.freedesktop.login1.reboot-multiple-sessions"; - - r = verify_polkit(connection, message, action, false, &challenge, &error); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - - if (r > 0) - result = "yes"; - else if (challenge) - result = "challenge"; - else - result = "no"; - } - - if (inhibit) { - action = streq(dbus_message_get_member(message), "CanPowerOff") ? - "org.freedesktop.login1.power-off-ignore-inhibit" : - "org.freedesktop.login1.reboot-ignore-inhibit"; - - r = verify_polkit(connection, message, action, false, &challenge, &error); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - - if (r > 0 && !result) - result = "yes"; - else if (challenge && (!result || streq(result, "yes"))) - result = "challenge"; - else - result = "no"; - } - - if (!multiple_sessions && !inhibit) { - /* If neither inhibit nor multiple sessions - * apply then just check the normal policy */ + } 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); - action = streq(dbus_message_get_member(message), "CanPowerOff") ? - "org.freedesktop.login1.power-off" : - "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); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - - if (r > 0) - result = "yes"; - else if (challenge) - result = "challenge"; - else - result = "no"; - } + 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; + } 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, &result, - 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; @@ -1943,3 +2294,42 @@ finish: return r; } + +int manager_dispatch_delayed(Manager *manager) { + const char *unit_name; + DBusError error; + bool delayed; + int r; + + assert(manager); + + if (!manager->delayed_unit) + return 0; + + /* Continue delay? */ + delayed = + manager->delayed_timestamp + manager->inhibit_delay_max > now(CLOCK_MONOTONIC) && + manager_is_inhibited(manager, manager->delayed_what, INHIBIT_DELAY, NULL, false, false, 0); + if (delayed) + return 0; + + bus_manager_log_shutdown(manager, manager->delayed_what, manager->delayed_unit); + + /* Reset delay data */ + unit_name = manager->delayed_unit; + manager->delayed_unit = NULL; + + /* Actually do the shutdown */ + dbus_error_init(&error); + r = send_start_unit(manager->bus, unit_name, &error); + if (r < 0) { + log_warning("Failed to send delayed message: %s", bus_error_message_or_strerror(&error, -r)); + dbus_error_free(&error); + return r; + } + + /* Tell people about it */ + send_prepare_for(manager, manager->delayed_what, false); + + return 1; +}