#include "bus-common-errors.h"
#include "udev-util.h"
#include "selinux-util.h"
+#include "efivars.h"
#include "logind.h"
int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret) {
session->create_message = sd_bus_message_ref(message);
- /* Now, let's wait until the slice unit and stuff got
- * created. We send the reply back from
- * session_send_create_reply(). */
-
- /* Elogind note: replying directly, since we're not actually
- starting slices and thus we aren't waiting on systemd. */
+ /* Here upstream systemd starts cgroups and the user systemd,
+ and arranges to reply asynchronously. We reply
+ directly. */
r = session_send_create_reply(session, NULL);
if (r < 0)
goto fail;
- session_save(session);
-
return 1;
fail:
if (r < 0)
return r;
+ session_add_to_gc_queue(session);
+
return sd_bus_reply_method_return(message, NULL);
}
static int bus_manager_log_shutdown(
Manager *m,
InhibitWhat w,
- const char *unit_name) {
+ HandleAction action) {
const char *p, *q;
assert(m);
- assert(unit_name);
if (w != INHIBIT_SHUTDOWN)
return 0;
- if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) {
+ switch (action) {
+ case HANDLE_POWEROFF:
p = "MESSAGE=System is powering down.";
q = "SHUTDOWN=power-off";
- } else if (streq(unit_name, SPECIAL_HALT_TARGET)) {
+ break;
+ case HANDLE_HALT:
p = "MESSAGE=System is halting.";
q = "SHUTDOWN=halt";
- } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) {
+ break;
+ case HANDLE_REBOOT:
p = "MESSAGE=System is rebooting.";
q = "SHUTDOWN=reboot";
- } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) {
+ break;
+ case HANDLE_KEXEC:
p = "MESSAGE=System is rebooting with kexec.";
q = "SHUTDOWN=kexec";
- } else {
+ break;
+ default:
p = "MESSAGE=System is shutting down.";
q = NULL;
+ break;
}
return log_struct(LOG_NOTICE,
return r;
}
+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"
+ };
+
+ int active = _active;
+
+ assert(m);
+ assert(w >= 0);
+ assert(w < _INHIBIT_WHAT_MAX);
+ assert(signal_name[w]);
+
+ return sd_bus_emit_signal(m->bus,
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ signal_name[w],
+ "b",
+ active);
+}
+
static int execute_shutdown_or_sleep(
Manager *m,
InhibitWhat w,
- const char *unit_name,
+ HandleAction action,
sd_bus_error *error) {
-
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- const char *p;
- char *c;
int r;
assert(m);
assert(w >= 0);
assert(w < _INHIBIT_WHAT_MAX);
- assert(unit_name);
- bus_manager_log_shutdown(m, w, unit_name);
+ bus_manager_log_shutdown(m, w, action);
- r = sd_bus_call_method(
- m->bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "StartUnit",
- error,
- &reply,
- "ss", unit_name, "replace-irreversibly");
+ r = shutdown_or_sleep(m, action);
if (r < 0)
return r;
- r = sd_bus_message_read(reply, "o", &p);
- if (r < 0)
- return r;
+ if (w == INHIBIT_SLEEP)
+ /* And we're back. */
+ send_prepare_for(m, w, false);
- c = strdup(p);
- if (!c)
- return -ENOMEM;
-
- m->action_unit = unit_name;
- free(m->action_job);
- m->action_job = c;
- m->action_what = w;
+ m->action_what = 0;
- /* Make sure the lid switch is ignored for a while */
+ /* Make sure the lid switch is ignored for a while (?) */
manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + m->holdoff_timeout_usec);
return 0;
static int delay_shutdown_or_sleep(
Manager *m,
InhibitWhat w,
- const char *unit_name) {
+ HandleAction action) {
assert(m);
assert(w >= 0);
assert(w < _INHIBIT_WHAT_MAX);
- assert(unit_name);
m->action_timestamp = now(CLOCK_MONOTONIC);
- m->action_unit = unit_name;
+ m->pending_action = action;
m->action_what = w;
return 0;
}
-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"
- };
-
- int active = _active;
-
- assert(m);
- assert(w >= 0);
- assert(w < _INHIBIT_WHAT_MAX);
- assert(signal_name[w]);
-
- return sd_bus_emit_signal(m->bus,
- "/org/freedesktop/login1",
- "org.freedesktop.login1.Manager",
- signal_name[w],
- "b",
- active);
-}
-
int bus_manager_shutdown_or_sleep_now_or_later(
Manager *m,
- const char *unit_name,
+ HandleAction action,
InhibitWhat w,
sd_bus_error *error) {
int r;
assert(m);
- assert(unit_name);
assert(w >= 0);
assert(w <= _INHIBIT_WHAT_MAX);
- assert(!m->action_job);
/* Tell everybody to prepare for shutdown/sleep */
send_prepare_for(m, w, true);
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);
+ r = delay_shutdown_or_sleep(m, w, action);
else
/* Shutdown is not delayed, execute it
* immediately */
- r = execute_shutdown_or_sleep(m, w, unit_name, error);
+ r = execute_shutdown_or_sleep(m, w, action, error);
return r;
}
static int method_do_shutdown_or_sleep(
Manager *m,
sd_bus_message *message,
- const char *unit_name,
+ HandleAction sleep_action,
InhibitWhat w,
const char *action,
const char *action_multiple_sessions,
assert(m);
assert(message);
- assert(unit_name);
assert(w >= 0);
assert(w <= _INHIBIT_WHAT_MAX);
assert(action);
return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
}
- r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error);
+ r = bus_manager_shutdown_or_sleep_now_or_later(m, sleep_action, w, error);
if (r < 0)
return r;
return method_do_shutdown_or_sleep(
m, message,
- SPECIAL_POWEROFF_TARGET,
+ HANDLE_POWEROFF,
INHIBIT_SHUTDOWN,
"org.freedesktop.login1.power-off",
"org.freedesktop.login1.power-off-multiple-sessions",
return method_do_shutdown_or_sleep(
m, message,
- SPECIAL_REBOOT_TARGET,
+ HANDLE_REBOOT,
INHIBIT_SHUTDOWN,
"org.freedesktop.login1.reboot",
"org.freedesktop.login1.reboot-multiple-sessions",
return method_do_shutdown_or_sleep(
m, message,
- SPECIAL_SUSPEND_TARGET,
+ HANDLE_SUSPEND,
INHIBIT_SLEEP,
"org.freedesktop.login1.suspend",
"org.freedesktop.login1.suspend-multiple-sessions",
return method_do_shutdown_or_sleep(
m, message,
- SPECIAL_HIBERNATE_TARGET,
+ HANDLE_HIBERNATE,
INHIBIT_SLEEP,
"org.freedesktop.login1.hibernate",
"org.freedesktop.login1.hibernate-multiple-sessions",
return method_do_shutdown_or_sleep(
m, message,
- SPECIAL_HYBRID_SLEEP_TARGET,
+ HANDLE_HYBRID_SLEEP,
INHIBIT_SLEEP,
"org.freedesktop.login1.hibernate",
"org.freedesktop.login1.hibernate-multiple-sessions",
error);
}
+static int property_get_reboot_to_firmware_setup(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+ int r;
+
+ assert(bus);
+ assert(reply);
+ assert(userdata);
+
+ r = efi_get_reboot_to_firmware();
+ if (r < 0 && r != -EOPNOTSUPP)
+ return r;
+
+ return sd_bus_message_append(reply, "b", r > 0);
+}
+
+static int method_set_reboot_to_firmware_setup(
+ sd_bus *bus,
+ sd_bus_message *message,
+ void *userdata,
+ sd_bus_error *error) {
+
+ int b, r;
+ int interactive;
+ Manager *m = userdata;
+
+ assert(bus);
+ assert(message);
+ assert(m);
+
+ r = sd_bus_message_read(message, "bb", &b, &interactive);
+ if (r < 0)
+ return r;
+
+ r = bus_verify_polkit_async(message,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.login1.set-reboot-to-firmware-setup",
+ interactive,
+ UID_INVALID,
+ &m->polkit_registry,
+ error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
+ r = efi_set_reboot_to_firmware(b);
+ if (r < 0)
+ return r;
+
+ return sd_bus_reply_method_return(message, NULL);
+}
+
+static int method_can_reboot_to_firmware_setup(
+ sd_bus *bus,
+ sd_bus_message *message,
+ void *userdata,
+ sd_bus_error *error) {
+
+ int r;
+ bool challenge;
+ const char *result;
+ Manager *m = userdata;
+
+ assert(bus);
+ assert(message);
+ assert(m);
+
+ r = efi_reboot_to_firmware_supported();
+ if (r == -EOPNOTSUPP)
+ return sd_bus_reply_method_return(message, "s", "na");
+ else if (r < 0)
+ return r;
+
+ r = bus_test_polkit(message,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.login1.set-reboot-to-firmware-setup",
+ UID_INVALID,
+ &challenge,
+ error);
+ if (r < 0)
+ return r;
+
+ if (r > 0)
+ result = "yes";
+ else if (challenge)
+ result = "challenge";
+ else
+ result = "no";
+
+ return sd_bus_reply_method_return(message, "s", result);
+}
+
static int method_inhibit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
_cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
const char *who, *why, *what, *mode;
SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup, 0, SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("CanRebootToFirmwareSetup", NULL, "s", method_can_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("SetRebootToFirmwareSetup", "bb", NULL, method_set_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_SIGNAL("SessionNew", "so", 0),
SD_BUS_SIGNAL("SessionRemoved", "so", 0),
SD_BUS_VTABLE_END
};
-static int session_jobs_reply(Session *s, const char *unit, const char *result) {
- int r = 0;
-
- assert(s);
- assert(unit);
-
- if (!s->started)
- return r;
-
- if (streq(result, "done"))
- r = session_send_create_reply(s, NULL);
- else {
- _cleanup_bus_error_free_ sd_bus_error e = SD_BUS_ERROR_NULL;
-
- sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
- r = session_send_create_reply(s, &e);
- }
-
- return r;
-}
-
int manager_send_changed(Manager *manager, const char *property, ...) {
char **l;
assert(manager);
- if (manager->action_what == 0 || manager->action_job)
+ if (manager->action_what == 0)
return 0;
/* Continue delay? */
}
/* Actually do the operation */
- r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error);
+ r = execute_shutdown_or_sleep(manager, manager->action_what, manager->pending_action, &error);
if (r < 0) {
log_warning("Failed to send delayed message: %s", bus_error_message(&error, r));
- manager->action_unit = NULL;
+ manager->pending_action = HANDLE_IGNORE;
manager->action_what = 0;
return r;
}
return 1;
}
-
-int manager_start_scope(
- Manager *manager,
- const char *scope,
- pid_t pid,
- const char *slice,
- const char *description,
- const char *after, const char *after2,
- sd_bus_error *error,
- char **job) {
-
- _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
- int r;
-
- assert(manager);
- assert(scope);
- assert(pid > 1);
-
- r = sd_bus_message_new_method_call(
- manager->bus,
- &m,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "StartTransientUnit");
- if (r < 0)
- return r;
-
- r = sd_bus_message_append(m, "ss", strempty(scope), "fail");
- if (r < 0)
- return r;
-
- r = sd_bus_message_open_container(m, 'a', "(sv)");
- if (r < 0)
- return r;
-
- if (!isempty(slice)) {
- r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
- if (r < 0)
- return r;
- }
-
- if (!isempty(description)) {
- r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
- if (r < 0)
- return r;
- }
-
- if (!isempty(after)) {
- r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
- if (r < 0)
- return r;
- }
-
- if (!isempty(after2)) {
- r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
- if (r < 0)
- return r;
- }
-
- /* cgroup empty notification is not available in containers
- * currently. To make this less problematic, let's shorten the
- * stop timeout for sessions, so that we don't wait
- * forever. */
-
- /* Make sure that the session shells are terminated with
- * SIGHUP since bash and friends tend to ignore SIGTERM */
- r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true);
- if (r < 0)
- return r;
-
- r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid);
- if (r < 0)
- return r;
-
- r = sd_bus_message_close_container(m);
- if (r < 0)
- return r;
-
- r = sd_bus_message_append(m, "a(sa(sv))", 0);
- if (r < 0)
- return r;
-
- r = sd_bus_call(manager->bus, m, 0, error, &reply);
- if (r < 0)
- return r;
-
- if (job) {
- const char *j;
- char *copy;
-
- r = sd_bus_message_read(reply, "o", &j);
- if (r < 0)
- return r;
-
- copy = strdup(j);
- if (!copy)
- return -ENOMEM;
-
- *job = copy;
- }
-
- return 1;
-}
-
-int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- int r;
-
- assert(manager);
- assert(unit);
-
- r = sd_bus_call_method(
- manager->bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "StartUnit",
- error,
- &reply,
- "ss", unit, "fail");
- if (r < 0)
- return r;
-
- if (job) {
- const char *j;
- char *copy;
-
- r = sd_bus_message_read(reply, "o", &j);
- if (r < 0)
- return r;
-
- copy = strdup(j);
- if (!copy)
- return -ENOMEM;
-
- *job = copy;
- }
-
- return 1;
-}
-
-int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- int r;
-
- assert(manager);
- assert(unit);
-
- r = sd_bus_call_method(
- manager->bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "StopUnit",
- error,
- &reply,
- "ss", unit, "fail");
- if (r < 0) {
- if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
- sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) {
-
- if (job)
- *job = NULL;
-
- sd_bus_error_free(error);
- return 0;
- }
-
- return r;
- }
-
- if (job) {
- const char *j;
- char *copy;
-
- r = sd_bus_message_read(reply, "o", &j);
- if (r < 0)
- return r;
-
- copy = strdup(j);
- if (!copy)
- return -ENOMEM;
-
- *job = copy;
- }
-
- return 1;
-}
-
-int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) {
- _cleanup_free_ char *path = NULL;
- int r;
-
- assert(manager);
- assert(scope);
-
- path = unit_dbus_path_from_name(scope);
- if (!path)
- return -ENOMEM;
-
- r = sd_bus_call_method(
- manager->bus,
- "org.freedesktop.systemd1",
- path,
- "org.freedesktop.systemd1.Scope",
- "Abandon",
- error,
- NULL,
- NULL);
- if (r < 0) {
- if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
- sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED) ||
- sd_bus_error_has_name(error, BUS_ERROR_SCOPE_NOT_RUNNING)) {
- sd_bus_error_free(error);
- return 0;
- }
-
- return r;
- }
-
- return 1;
-}
-
-int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) {
- assert(manager);
- assert(unit);
-
- return sd_bus_call_method(
- manager->bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "KillUnit",
- error,
- NULL,
- "ssi", unit, who == KILL_LEADER ? "main" : "all", signo);
-}
-
-int manager_unit_is_active(Manager *manager, const char *unit) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- _cleanup_free_ char *path = NULL;
- const char *state;
- int r;
-
- assert(manager);
- assert(unit);
-
- path = unit_dbus_path_from_name(unit);
- if (!path)
- return -ENOMEM;
-
- r = sd_bus_get_property(
- manager->bus,
- "org.freedesktop.systemd1",
- path,
- "org.freedesktop.systemd1.Unit",
- "ActiveState",
- &error,
- &reply,
- "s");
- if (r < 0) {
- /* systemd might have droppped off momentarily, let's
- * not make this an error */
- if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
- sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
- return true;
-
- /* If the unit is already unloaded then it's not
- * active */
- if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) ||
- sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED))
- return false;
-
- return r;
- }
-
- r = sd_bus_message_read(reply, "s", &state);
- if (r < 0)
- return -EINVAL;
-
- return !streq(state, "inactive") && !streq(state, "failed");
-}
-
-int manager_job_is_active(Manager *manager, const char *path) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- int r;
-
- assert(manager);
- assert(path);
-
- r = sd_bus_get_property(
- manager->bus,
- "org.freedesktop.systemd1",
- path,
- "org.freedesktop.systemd1.Job",
- "State",
- &error,
- &reply,
- "s");
- if (r < 0) {
- if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
- sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
- return true;
-
- if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT))
- return false;
-
- return r;
- }
-
- /* We don't actually care about the state really. The fact
- * that we could read the job state is enough for us */
-
- return true;
-}
~ianmdlvl / elogind.git / blobdiff