chiark / gitweb /
machine: make sure unpriviliged "machinectl status" can show the machine's OS version
[elogind.git] / src / login / logind-dbus.c
index 642ba07f2e3b4e436e1e49618255e0f53c3e687a..1a363c2c5924e43f899ff2a9cb562a10e446480b 100644 (file)
@@ -189,7 +189,7 @@ static int method_get_session_by_pid(sd_bus *bus, sd_bus_message *message, void
         if (r < 0)
                 return r;
         if (!session)
-                return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, "PID %lu does not belong to any known session", (unsigned long) pid);
+                return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, "PID "PID_FMT" does not belong to any known session", pid);
 
         p = session_bus_path(session);
         if (!p)
@@ -215,7 +215,7 @@ static int method_get_user(sd_bus *bus, sd_bus_message *message, void *userdata,
 
         user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
         if (!user)
-                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user '%lu' known or logged in", (unsigned long) uid);
+                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user "UID_FMT" known or logged in", uid);
 
         p = user_bus_path(user);
         if (!p)
@@ -257,7 +257,7 @@ static int method_get_user_by_pid(sd_bus *bus, sd_bus_message *message, void *us
         if (r < 0)
                 return r;
         if (!user)
-                return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, "PID %lu does not belong to any known or logged in user", (unsigned long) pid);
+                return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, "PID "PID_FMT" does not belong to any known or logged in user", pid);
 
         p = user_bus_path(user);
         if (!p)
@@ -594,6 +594,17 @@ static int method_create_session(sd_bus *bus, sd_bus_message *message, void *use
                 if (!path)
                         return -ENOMEM;
 
+                log_debug("Sending reply about an existing session: "
+                          "id=%s object_path=%s uid=%u runtime_path=%s "
+                          "session_fd=%d seat=%s vtnr=%u",
+                          session->id,
+                          path,
+                          (uint32_t) session->user->uid,
+                          session->user->runtime_path,
+                          fifo_fd,
+                          session->seat ? session->seat->id : "",
+                          (uint32_t) session->vtnr);
+
                 return sd_bus_reply_method_return(
                                 message, "soshusub",
                                 session->id,
@@ -610,7 +621,7 @@ static int method_create_session(sd_bus *bus, sd_bus_message *message, void *use
         if (audit_id > 0) {
                 /* Keep our session IDs and the audit session IDs in sync */
 
-                if (asprintf(&id, "%lu", (unsigned long) audit_id) < 0)
+                if (asprintf(&id, "%"PRIu32, audit_id) < 0)
                         return -ENOMEM;
 
                 /* Wut? There's already a session by this name and we
@@ -912,7 +923,7 @@ static int method_kill_user(sd_bus *bus, sd_bus_message *message, void *userdata
 
         user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
         if (!user)
-                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user '%lu' known or logged in", (unsigned long) uid);
+                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user "UID_FMT" known or logged in", uid);
 
         r = user_kill(user, signo);
         if (r < 0)
@@ -939,7 +950,7 @@ static int method_terminate_session(sd_bus *bus, sd_bus_message *message, void *
         if (!session)
                 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
 
-        r = session_stop(session);
+        r = session_stop(session, true);
         if (r < 0)
                 return r;
 
@@ -962,9 +973,9 @@ static int method_terminate_user(sd_bus *bus, sd_bus_message *message, void *use
 
         user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
         if (!user)
-                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user '%lu' known or logged in", (unsigned long) uid);
+                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user "UID_FMT" known or logged in", uid);
 
-        r = user_stop(user);
+        r = user_stop(user, true);
         if (r < 0)
                 return r;
 
@@ -989,7 +1000,7 @@ static int method_terminate_seat(sd_bus *bus, sd_bus_message *message, void *use
         if (!seat)
                 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name);
 
-        r = seat_stop_sessions(seat);
+        r = seat_stop_sessions(seat, true);
         if (r < 0)
                 return r;
 
@@ -1294,6 +1305,51 @@ static int bus_manager_log_shutdown(
                           q, NULL);
 }
 
+static int lid_switch_ignore_handler(sd_event_source *e, uint64_t usec, void *userdata) {
+        Manager *m = userdata;
+
+        assert(e);
+        assert(m);
+
+        m->lid_switch_ignore_event_source = sd_event_source_unref(m->lid_switch_ignore_event_source);
+        return 0;
+}
+
+int manager_set_lid_switch_ignore(Manager *m, usec_t until) {
+        int r;
+
+        assert(m);
+
+        if (until <= now(CLOCK_MONOTONIC))
+                return 0;
+
+        /* We want to ignore the lid switch for a while after each
+         * suspend, and after boot-up. Hence let's install a timer for
+         * this. As long as the event source exists we ignore the lid
+         * switch. */
+
+        if (m->lid_switch_ignore_event_source) {
+                usec_t u;
+
+                r = sd_event_source_get_time(m->lid_switch_ignore_event_source, &u);
+                if (r < 0)
+                        return r;
+
+                if (until <= u)
+                        return 0;
+
+                r = sd_event_source_set_time(m->lid_switch_ignore_event_source, until);
+        } else
+                r = sd_event_add_time(
+                                m->event,
+                                &m->lid_switch_ignore_event_source,
+                                CLOCK_MONOTONIC,
+                                until, 0,
+                                lid_switch_ignore_handler, m);
+
+        return r;
+}
+
 static int execute_shutdown_or_sleep(
                 Manager *m,
                 InhibitWhat w,
@@ -1337,6 +1393,9 @@ static int execute_shutdown_or_sleep(
         m->action_job = c;
         m->action_what = w;
 
+        /* Make sure the lid switch is ignored for a while */
+        manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + IGNORE_LID_SWITCH_SUSPEND_USEC);
+
         return 0;
 }
 
@@ -1477,6 +1536,8 @@ static int method_do_shutdown_or_sleep(
                                             action_multiple_sessions, interactive, error, method, m);
                 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 */
         }
 
         if (blocked) {
@@ -1484,6 +1545,8 @@ static int method_do_shutdown_or_sleep(
                                             action_ignore_inhibit, interactive, error, method, m);
                 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 */
         }
 
         if (!multiple_sessions && !blocked) {
@@ -1491,6 +1554,8 @@ static int method_do_shutdown_or_sleep(
                                             action, interactive, error, method, m);
                 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 = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error);
@@ -1911,6 +1976,27 @@ const sd_bus_vtable manager_vtable[] = {
         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 match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
         const char *path, *result, *unit;
         Manager *m = userdata;
@@ -1950,18 +2036,9 @@ int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_b
                         session->scope_job = NULL;
                 }
 
-                if (session->started) {
-                        if (streq(result, "done"))
-                                session_send_create_reply(session, 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);
-                                session_send_create_reply(session, &e);
-                        }
-                } else
-                        session_save(session);
+                session_jobs_reply(session, unit, result);
 
+                session_save(session);
                 session_add_to_gc_queue(session);
         }
 
@@ -1979,17 +2056,7 @@ int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_b
                 }
 
                 LIST_FOREACH(sessions_by_user, session, user->sessions) {
-                        if (!session->started)
-                                continue;
-
-                        if (streq(result, "done"))
-                                session_send_create_reply(session, 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);
-                                session_send_create_reply(session, &e);
-                        }
+                        session_jobs_reply(session, unit, result);
                 }
 
                 user_save(user);
@@ -2045,7 +2112,8 @@ int match_properties_changed(sd_bus *bus, sd_bus_message *message, void *userdat
 
         r = unit_name_from_dbus_path(path, &unit);
         if (r < 0)
-                return r;
+                /* quietly ignore non-units paths */
+                return r == -EINVAL ? 0 : r;
 
         session = hashmap_get(m->session_units, unit);
         if (session)
@@ -2152,9 +2220,9 @@ int manager_dispatch_delayed(Manager *manager) {
                 if (manager->action_timestamp + manager->inhibit_delay_max > now(CLOCK_MONOTONIC))
                         return 0;
 
-                log_info("Delay lock is active (UID %lu/%s, PID %lu/%s) but inhibitor timeout is reached.",
-                         (unsigned long) offending->uid, strna(u),
-                         (unsigned long) offending->pid, strna(comm));
+                log_info("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.",
+                         offending->uid, strna(u),
+                         offending->pid, strna(comm));
         }
 
         /* Actually do the operation */
@@ -2176,7 +2244,7 @@ int manager_start_scope(
                 pid_t pid,
                 const char *slice,
                 const char *description,
-                const char *after,
+                const char *after, const char *after2,
                 sd_bus_error *error,
                 char **job) {
 
@@ -2189,11 +2257,11 @@ int manager_start_scope(
 
         r = sd_bus_message_new_method_call(
                         manager->bus,
+                        &m,
                         "org.freedesktop.systemd1",
                         "/org/freedesktop/systemd1",
                         "org.freedesktop.systemd1.Manager",
-                        "StartTransientUnit",
-                        &m);
+                        "StartTransientUnit");
         if (r < 0)
                 return r;
 
@@ -2217,12 +2285,18 @@ int manager_start_scope(
                         return r;
         }
 
-        if (!isempty(description)) {
+        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
@@ -2354,7 +2428,6 @@ int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, c
 }
 
 int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) {
-        _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
         _cleanup_free_ char *path = NULL;
         int r;
 
@@ -2376,7 +2449,8 @@ int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *err
                         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_LOAD_FAILED) ||
+                    sd_bus_error_has_name(error, BUS_ERROR_SCOPE_NOT_RUNNING)) {
                         sd_bus_error_free(error);
                         return 0;
                 }