core: add transient units

[elogind.git] / src / core / dbus-job.c

diff --git a/src/core/dbus-job.c b/src/core/dbus-job.c
index 5a746840c8a143ccfcdb5d507357f3f84770597b..a85d3185c247339cf246f4b8844574edd3cd1ba0 100644 (file)
--- a/src/core/dbus-job.c
+++ b/src/core/dbus-job.c
@@ -101,12 +101,11 @@ static DBusHandlerResult bus_job_message_dispatch(Job *j, DBusConnection *connec
         if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Job", "Cancel")) {
 
                 SELINUX_UNIT_ACCESS_CHECK(j->unit, connection, message, "stop");
+                job_finish_and_invalidate(j, JOB_CANCELED, true);
 
                 reply = dbus_message_new_method_return(message);
                 if (!reply)
                         return DBUS_HANDLER_RESULT_NEED_MEMORY;
-
-                job_finish_and_invalidate(j, JOB_CANCELED, true);
         } else {
                 const BusBoundProperties bps[] = {
                         { "org.freedesktop.systemd1.Job", bus_job_properties, j },
@@ -114,11 +113,10 @@ static DBusHandlerResult bus_job_message_dispatch(Job *j, DBusConnection *connec
                 };
 
                 SELINUX_UNIT_ACCESS_CHECK(j->unit, connection, message, "status");
-
                 return bus_default_message_handler(connection, message, INTROSPECTION, INTERFACES_LIST, bps);
         }
 
-        if (!dbus_connection_send(connection, reply, NULL))
+        if (!bus_maybe_send_reply(connection, message, reply))
                 return DBUS_HANDLER_RESULT_NEED_MEMORY;
 
         return DBUS_HANDLER_RESULT_HANDLED;
@@ -143,7 +141,7 @@ static DBusHandlerResult bus_job_message_handler(DBusConnection *connection, DBu
                         Iterator i;
                         size_t size;
 
-                        SELINUX_MANAGER_ACCESS_CHECK(m, connection, message, "status");
+                        SELINUX_ACCESS_CHECK(connection, message, "status");
 
                         reply = dbus_message_new_method_return(message);
                         if (!reply)
@@ -187,7 +185,7 @@ static DBusHandlerResult bus_job_message_handler(DBusConnection *connection, DBu
 
                         free(introspection);
 
-                        if (!dbus_connection_send(connection, reply, NULL))
+                        if (!bus_maybe_send_reply(connection, message, reply))
                                 goto oom;
 
                         return DBUS_HANDLER_RESULT_HANDLED;
@@ -220,7 +218,7 @@ const DBusObjectPathVTable bus_job_vtable = {
 };
 
 static int job_send_message(Job *j, DBusMessage* (*new_message)(Job *j)) {
-        DBusMessage *m = NULL;
+        _cleanup_dbus_message_unref_ DBusMessage *m = NULL;
         int r;
 
         assert(j);
@@ -229,9 +227,9 @@ static int job_send_message(Job *j, DBusMessage* (*new_message)(Job *j)) {
         if (bus_has_subscriber(j->manager) || j->forgot_bus_clients) {
                 m = new_message(j);
                 if (!m)
-                        goto oom;
+                        return -ENOMEM;
+
                 r = bus_broadcast(j->manager, m);
-                dbus_message_unref(m);
                 if (r < 0)
                         return r;
 
@@ -240,18 +238,19 @@ static int job_send_message(Job *j, DBusMessage* (*new_message)(Job *j)) {
                  * to the client(s) which created the job */
                 JobBusClient *cl;
                 assert(j->bus_client_list);
+
                 LIST_FOREACH(client, cl, j->bus_client_list) {
                         assert(cl->bus);
 
                         m = new_message(j);
                         if (!m)
-                                goto oom;
+                                return -ENOMEM;
 
                         if (!dbus_message_set_destination(m, cl->name))
-                                goto oom;
+                                return -ENOMEM;
 
                         if (!dbus_connection_send(cl->bus, m, NULL))
-                                goto oom;
+                                return -ENOMEM;
 
                         dbus_message_unref(m);
                         m = NULL;
@@ -259,62 +258,54 @@ static int job_send_message(Job *j, DBusMessage* (*new_message)(Job *j)) {
         }
 
         return 0;
-oom:
-        if (m)
-                dbus_message_unref(m);
-        return -ENOMEM;
 }
 
 static DBusMessage* new_change_signal_message(Job *j) {
-        DBusMessage *m = NULL;
-        char *p = NULL;
+        _cleanup_free_ char *p = NULL;
+        DBusMessage *m;
 
         p = job_dbus_path(j);
         if (!p)
-                goto oom;
+                return NULL;
 
         if (j->sent_dbus_new_signal) {
                 /* Send a properties changed signal */
                 m = bus_properties_changed_new(p, "org.freedesktop.systemd1.Job", INVALIDATING_PROPERTIES);
                 if (!m)
-                        goto oom;
+                        return NULL;
 
         } else {
                 /* Send a new signal */
 
                 m = dbus_message_new_signal("/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "JobNew");
                 if (!m)
-                        goto oom;
+                        return NULL;
 
                 if (!dbus_message_append_args(m,
                                               DBUS_TYPE_UINT32, &j->id,
                                               DBUS_TYPE_OBJECT_PATH, &p,
                                               DBUS_TYPE_STRING, &j->unit->id,
-                                              DBUS_TYPE_INVALID))
-                        goto oom;
+                                              DBUS_TYPE_INVALID)) {
+                        dbus_message_unref(m);
+                        return NULL;
+                }
         }
 
         return m;
-
-oom:
-        if (m)
-                dbus_message_unref(m);
-        free(p);
-        return NULL;
 }
 
 static DBusMessage* new_removed_signal_message(Job *j) {
-        DBusMessage *m = NULL;
-        char *p = NULL;
+        _cleanup_free_ char *p = NULL;
+        DBusMessage *m;
         const char *r;
 
         p = job_dbus_path(j);
         if (!p)
-                goto oom;
+                return NULL;
 
         m = dbus_message_new_signal("/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "JobRemoved");
         if (!m)
-                goto oom;
+                return NULL;
 
         r = job_result_to_string(j->result);
 
@@ -323,16 +314,12 @@ static DBusMessage* new_removed_signal_message(Job *j) {
                                       DBUS_TYPE_OBJECT_PATH, &p,
                                       DBUS_TYPE_STRING, &j->unit->id,
                                       DBUS_TYPE_STRING, &r,
-                                      DBUS_TYPE_INVALID))
-                goto oom;
+                                      DBUS_TYPE_INVALID)) {
+                dbus_message_unref(m);
+                return NULL;
+        }
 
         return m;
-
-oom:
-        if (m)
-                dbus_message_unref(m);
-        free(p);
-        return NULL;
 }
 
 void bus_job_send_change_signal(Job *j) {