chiark / gitweb /
Create /run/systemd as needed
[elogind.git] / src / login / logind.c
index b44f37642719dc809db077e729879d3b69abcbf8..de6fbfbd442ea97c0b025e76b208748cdfdba5e0 100644 (file)
 #include <fcntl.h>
 #include <string.h>
 #include <unistd.h>
-#include <linux/vt.h>
-#include <sys/timerfd.h>
 
 #include "sd-daemon.h"
 #include "strv.h"
 #include "conf-parser.h"
-#include "mkdir.h"
 #include "bus-util.h"
 #include "bus-error.h"
 #include "logind.h"
 #include "udev-util.h"
+#include "formats-util.h"
+#include "label.h"
+#include "label.h"
 
-Manager *manager_new(void) {
+static void manager_free(Manager *m);
+
+static Manager *manager_new(void) {
         Manager *m;
         int r;
 
@@ -57,6 +59,7 @@ Manager *manager_new(void) {
         m->handle_lid_switch = HANDLE_SUSPEND;
         m->handle_lid_switch_docked = HANDLE_IGNORE;
         m->lid_switch_ignore_inhibited = true;
+        m->holdoff_timeout_usec = 30 * USEC_PER_SEC;
 
         m->idle_action_usec = 30 * USEC_PER_MINUTE;
         m->idle_action = HANDLE_IGNORE;
@@ -74,10 +77,7 @@ Manager *manager_new(void) {
         m->user_units = hashmap_new(&string_hash_ops);
         m->session_units = hashmap_new(&string_hash_ops);
 
-        m->busnames = set_new(&string_hash_ops);
-
-        if (!m->devices || !m->seats || !m->sessions || !m->users || !m->inhibitors || !m->buttons || !m->busnames ||
-            !m->user_units || !m->session_units)
+        if (!m->devices || !m->seats || !m->sessions || !m->users || !m->inhibitors || !m->buttons || !m->user_units || !m->session_units)
                 goto fail;
 
         m->kill_exclude_users = strv_new("root", NULL);
@@ -101,7 +101,7 @@ fail:
         return NULL;
 }
 
-void manager_free(Manager *m) {
+static void manager_free(Manager *m) {
         Session *session;
         User *u;
         Device *d;
@@ -139,9 +139,11 @@ void manager_free(Manager *m) {
         hashmap_free(m->user_units);
         hashmap_free(m->session_units);
 
-        set_free_free(m->busnames);
-
         sd_event_source_unref(m->idle_action_event_source);
+        sd_event_source_unref(m->inhibit_timeout_source);
+        sd_event_source_unref(m->scheduled_shutdown_timeout_source);
+        sd_event_source_unref(m->nologin_timeout_source);
+        sd_event_source_unref(m->wall_message_timeout_source);
 
         sd_event_source_unref(m->console_active_event_source);
         sd_event_source_unref(m->udev_seat_event_source);
@@ -152,18 +154,16 @@ void manager_free(Manager *m) {
 
         safe_close(m->console_active_fd);
 
-        if (m->udev_seat_monitor)
                 udev_monitor_unref(m->udev_seat_monitor);
-        if (m->udev_device_monitor)
                 udev_monitor_unref(m->udev_device_monitor);
-        if (m->udev_vcsa_monitor)
                 udev_monitor_unref(m->udev_vcsa_monitor);
-        if (m->udev_button_monitor)
                 udev_monitor_unref(m->udev_button_monitor);
 
-        if (m->udev)
                 udev_unref(m->udev);
 
+        if (m->unlink_nologin)
+                unlink("/run/nologin");
+
         bus_verify_polkit_async_registry_free(m->polkit_registry);
 
         sd_bus_unref(m->bus);
@@ -174,6 +174,9 @@ void manager_free(Manager *m) {
         strv_free(m->kill_only_users);
         strv_free(m->kill_exclude_users);
 
+        free(m->scheduled_shutdown_type);
+        free(m->scheduled_shutdown_tty);
+        free(m->wall_message);
         free(m->action_job);
         free(m);
 }
@@ -614,17 +617,6 @@ static int manager_connect_bus(Manager *m) {
         if (r < 0)
                 return log_error_errno(r, "Failed to add user enumerator: %m");
 
-        r = sd_bus_add_match(m->bus,
-                             NULL,
-                             "type='signal',"
-                             "sender='org.freedesktop.DBus',"
-                             "interface='org.freedesktop.DBus',"
-                             "member='NameOwnerChanged',"
-                             "path='/org/freedesktop/DBus'",
-                             match_name_owner_changed, m);
-        if (r < 0)
-                return log_error_errno(r, "Failed to add match for NameOwnerChanged: %m");
-
         r = sd_bus_add_match(m->bus,
                              NULL,
                              "type='signal',"
@@ -634,7 +626,7 @@ static int manager_connect_bus(Manager *m) {
                              "path='/org/freedesktop/systemd1'",
                              match_job_removed, m);
         if (r < 0)
-                return log_error_errno(r, "Failed to add match for JobRemoved: %m");
+                log_warning_errno(r, "Failed to add match for JobRemoved: %m");
 
         r = sd_bus_add_match(m->bus,
                              NULL,
@@ -645,7 +637,7 @@ static int manager_connect_bus(Manager *m) {
                              "path='/org/freedesktop/systemd1'",
                              match_unit_removed, m);
         if (r < 0)
-                return log_error_errno(r, "Failed to add match for UnitRemoved: %m");
+                log_warning_errno(r, "Failed to add match for UnitRemoved: %m");
 
         r = sd_bus_add_match(m->bus,
                              NULL,
@@ -655,7 +647,7 @@ static int manager_connect_bus(Manager *m) {
                              "member='PropertiesChanged'",
                              match_properties_changed, m);
         if (r < 0)
-                return log_error_errno(r, "Failed to add match for PropertiesChanged: %m");
+                log_warning_errno(r, "Failed to add match for PropertiesChanged: %m");
 
         r = sd_bus_add_match(m->bus,
                              NULL,
@@ -666,7 +658,7 @@ static int manager_connect_bus(Manager *m) {
                              "path='/org/freedesktop/systemd1'",
                              match_reloading, m);
         if (r < 0)
-                return log_error_errno(r, "Failed to add match for Reloading: %m");
+                log_warning_errno(r, "Failed to add match for Reloading: %m");
 
         r = sd_bus_call_method(
                         m->bus,
@@ -676,10 +668,8 @@ static int manager_connect_bus(Manager *m) {
                         "Subscribe",
                         &error,
                         NULL, NULL);
-        if (r < 0) {
-                log_error("Failed to enable subscription: %s", bus_error_message(&error, r));
-                return r;
-        }
+        if (r < 0)
+                log_notice("Failed to enable subscription: %s", bus_error_message(&error, r));
 
         r = sd_bus_request_name(m->bus, "org.freedesktop.login1", 0);
         if (r < 0)
@@ -890,7 +880,7 @@ static int manager_connect_udev(Manager *m) {
         return 0;
 }
 
-void manager_gc(Manager *m, bool drop_not_started) {
+static void manager_gc(Manager *m, bool drop_not_started) {
         Seat *seat;
         Session *session;
         User *user;
@@ -916,8 +906,8 @@ void manager_gc(Manager *m, bool drop_not_started) {
                     session_get_state(session) != SESSION_CLOSING)
                         session_stop(session, false);
 
-                /* Normally, this should make the session busy again,
-                 * if it doesn't then let's get rid of it
+                /* Normally, this should make the session referenced
+                 * again, if it doesn't then let's get rid of it
                  * immediately */
                 if (!session_check_gc(session, drop_not_started)) {
                         session_finalize(session);
@@ -1001,7 +991,7 @@ static int manager_dispatch_idle_action(sd_event_source *s, uint64_t t, void *us
         return 0;
 }
 
-int manager_startup(Manager *m) {
+static int manager_startup(Manager *m) {
         int r;
         Seat *seat;
         Session *session;
@@ -1032,7 +1022,7 @@ int manager_startup(Manager *m) {
         if (r < 0)
                 return log_error_errno(r, "Failed to add seat0: %m");
 
-        r = manager_set_lid_switch_ignore(m, 0 + IGNORE_LID_SWITCH_STARTUP_USEC);
+        r = manager_set_lid_switch_ignore(m, 0 + m->holdoff_timeout_usec);
         if (r < 0)
                 log_warning_errno(r, "Failed to set up lid switch ignore event source: %m");
 
@@ -1088,14 +1078,12 @@ int manager_startup(Manager *m) {
         return 0;
 }
 
-int manager_run(Manager *m) {
+static int manager_run(Manager *m) {
         int r;
 
         assert(m);
 
         for (;;) {
-                usec_t us = (uint64_t) -1;
-
                 r = sd_event_get_state(m->event);
                 if (r < 0)
                         return r;
@@ -1104,19 +1092,7 @@ int manager_run(Manager *m) {
 
                 manager_gc(m, true);
 
-                if (manager_dispatch_delayed(m) > 0)
-                        continue;
-
-                if (m->action_what != 0 && !m->action_job) {
-                        usec_t x, y;
-
-                        x = now(CLOCK_MONOTONIC);
-                        y = m->action_timestamp + m->inhibit_delay_max;
-
-                        us = x >= y ? 0 : y - x;
-                }
-
-                r = sd_event_run(m->event, us);
+                r = sd_event_run(m->event, (uint64_t) -1);
                 if (r < 0)
                         return r;
         }
@@ -1154,9 +1130,21 @@ int main(int argc, char *argv[]) {
          * existence of /run/systemd/seats/ to determine whether
          * logind is available, so please always make sure this check
          * stays in. */
-        mkdir_label("/run/systemd/seats", 0755);
-        mkdir_label("/run/systemd/users", 0755);
-        mkdir_label("/run/systemd/sessions", 0755);
+        r = mkdir_label("/run/systemd", 0755);
+        if ( (r < 0) && (-EEXIST != r) )
+                return log_error_errno(r, "Failed to create /run/systemd : %m");
+        r = mkdir_label("/run/systemd/seats", 0755);
+        if ( r < 0 && (-EEXIST != r) )
+                return log_error_errno(r, "Failed to create /run/systemd/seats : %m");
+        r = mkdir_label("/run/systemd/users", 0755);
+        if ( r < 0 && (-EEXIST != r) )
+                return log_error_errno(r, "Failed to create /run/systemd/users : %m");
+        r = mkdir_label("/run/systemd/sessions", 0755);
+        if ( r < 0 && (-EEXIST != r) )
+                return log_error_errno(r, "Failed to create /run/systemd/sessions : %m");
+        r = mkdir_label("/run/systemd/machines", 0755);
+        if ( r < 0 && (-EEXIST != r) )
+                return log_error_errno(r, "Failed to create /run/systemd/machines : %m");
 
         m = manager_new();
         if (!m) {
@@ -1172,7 +1160,7 @@ int main(int argc, char *argv[]) {
                 goto finish;
         }
 
-        log_debug("systemd-logind running as pid "PID_FMT, getpid());
+        log_debug("logind running as pid "PID_FMT, getpid());
 
         sd_notify(false,
                   "READY=1\n"
@@ -1180,14 +1168,13 @@ int main(int argc, char *argv[]) {
 
         r = manager_run(m);
 
-        log_debug("systemd-logind stopped as pid "PID_FMT, getpid());
+        log_debug("logind stopped as pid "PID_FMT, getpid());
 
 finish:
         sd_notify(false,
                   "STOPPING=1\n"
                   "STATUS=Shutting down...");
 
-        if (m)
                 manager_free(m);
 
         return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;