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Use bus_maybe_send_reply() where applicable
[elogind.git] / src / core / dbus-manager.c
diff --git a/src/core/dbus-manager.c b/src/core/dbus-manager.c
index 70711962388971da34addd08f73ec400bb84a606..75a341fce1edc622d2ef17754fed4308cf430a8e 100644 (file)
--- a/src/core/dbus-manager.c
+++ b/src/core/dbus-manager.c
@@ -103,30 +103,31 @@
         "  <method name=\"ResetFailedUnit\">\n"                         \
         "   <arg name=\"name\" type=\"s\" direction=\"in\"/>\n"         \
         "  </method>\n"                                                 \
-        "  <method name=\"GetUnitControlGroupAttributes\">\n"           \
+        "  <method name=\"SetUnitControlGroup\">\n"                     \
         "   <arg name=\"name\" type=\"s\" direction=\"in\"/>\n"         \
-        "   <arg name=\"attributes\" type=\"as\" direction=\"in\"/>\n"  \
-        "   <arg name=\"values\" type=\"as\" direction=\"out\"/>\n"      \
+        "   <arg name=\"group\" type=\"s\" direction=\"in\"/>\n"        \
+        "   <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n"         \
         "  </method>\n"                                                 \
-        "  <method name=\"SetUnitControlGroupAttributes\">\n"           \
+        "  <method name=\"UnsetUnitControlGroup\">\n"                   \
         "   <arg name=\"name\" type=\"s\" direction=\"in\"/>\n"         \
-        "   <arg name=\"attributes\" type=\"a(sss)\" direction=\"in\"/>\n" \
+        "   <arg name=\"group\" type=\"s\" direction=\"in\"/>\n"        \
         "   <arg name=\"mode\" type=\"s\" direction=\"in\"\n/>"         \
         "  </method>\n"                                                 \
-        "  <method name=\"UnsetUnitControlGroupAttributes\">\n"         \
+        "  <method name=\"GetUnitControlGroupAttribute\">\n"            \
         "   <arg name=\"name\" type=\"s\" direction=\"in\"/>\n"         \
-        "   <arg name=\"attributes\" type=\"a(ss)\" direction=\"in\"/>\n" \
-        "   <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n"         \
+        "   <arg name=\"attribute\" type=\"s\" direction=\"in\"/>\n"    \
+        "   <arg name=\"values\" type=\"as\" direction=\"out\"/>\n"     \
         "  </method>\n"                                                 \
-        "  <method name=\"SetUnitControlGroups\">\n"                    \
+        "  <method name=\"SetUnitControlGroupAttribute\">\n"            \
         "   <arg name=\"name\" type=\"s\" direction=\"in\"/>\n"         \
-        "   <arg name=\"groups\" type=\"as\" direction=\"in\"/>\n"      \
-        "   <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n"         \
+        "   <arg name=\"attribute\" type=\"s\" direction=\"in\"/>\n"    \
+        "   <arg name=\"values\" type=\"as\" direction=\"in\"/>\n"      \
+        "   <arg name=\"mode\" type=\"s\" direction=\"in\"\n/>"         \
         "  </method>\n"                                                 \
-        "  <method name=\"UnsetUnitControlGroups\">\n"                  \
+        "  <method name=\"UnsetUnitControlGroupAttributes\">\n"         \
         "   <arg name=\"name\" type=\"s\" direction=\"in\"/>\n"         \
-        "   <arg name=\"groups\" type=\"as\" direction=\"in\"/>\n"      \
-        "   <arg name=\"mode\" type=\"s\" direction=\"in\"\n/>"         \
+        "   <arg name=\"attribute\" type=\"s\" direction=\"in\"/>\n"    \
+        "   <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n"         \
         "  </method>\n"                                                 \
         "  <method name=\"GetJob\">\n"                                  \
         "   <arg name=\"id\" type=\"u\" direction=\"in\"/>\n"           \
@@ -874,7 +875,7 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection,
                 if (!reply)
                         goto oom;
 
-        } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "SetUnitControlGroups")) {
+        } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "SetUnitControlGroup")) {
                 const char *name;
                 Unit *u;
                 DBusMessageIter iter;
@@ -902,7 +903,7 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection,
                 if (!reply)
                         goto oom;
 
-        } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "UnsetUnitControlGroups")) {
+        } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "UnsetUnitControlGroup")) {
                 const char *name;
                 Unit *u;
                 DBusMessageIter iter;
@@ -930,7 +931,7 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection,
                 if (!reply)
                         goto oom;
 
-        } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "SetUnitControlGroupAttributes")) {
+        } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "SetUnitControlGroupAttribute")) {
                 const char *name;
                 Unit *u;
                 DBusMessageIter iter;
@@ -949,6 +950,7 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection,
                 }
 
                 SELINUX_UNIT_ACCESS_CHECK(u, connection, message, "start");
+
                 r = bus_unit_cgroup_attribute_set(u, &iter);
                 if (r < 0)
                         return bus_send_error_reply(connection, message, NULL, r);
@@ -957,7 +959,7 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection,
                 if (!reply)
                         goto oom;
 
-        } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "UnsetUnitControlGroupAttributes")) {
+        } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "UnsetUnitControlGroupAttribute")) {
                 const char *name;
                 Unit *u;
                 DBusMessageIter iter;
@@ -985,7 +987,7 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection,
                 if (!reply)
                         goto oom;
 
-        } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetUnitControlGroupAttributes")) {
+        } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetUnitControlGroupAttribute")) {
                 const char *name;
                 Unit *u;
                 DBusMessageIter iter;
@@ -1005,6 +1007,7 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection,
                 }
 
                 SELINUX_UNIT_ACCESS_CHECK(u, connection, message, "status");
+
                 r = bus_unit_cgroup_attribute_get(u, &iter, &list);
                 if (r < 0)
                         return bus_send_error_reply(connection, message, NULL, r);
@@ -1542,7 +1545,8 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection,
                 m->exit_code = MANAGER_SWITCH_ROOT;
 
         } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "SetEnvironment")) {
-                char **l = NULL, **e = NULL;
+                _cleanup_strv_free_ char **l = NULL;
+                char **e = NULL;
 
                 SELINUX_ACCESS_CHECK(connection, message, "reboot");
 
@@ -1551,9 +1555,10 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection,
                         goto oom;
                 if (r < 0)
                         return bus_send_error_reply(connection, message, NULL, r);
+                if (!strv_env_is_valid(l))
+                        return bus_send_error_reply(connection, message, NULL, -EINVAL);
 
                 e = strv_env_merge(2, m->environment, l);
-                strv_free(l);
                 if (!e)
                         goto oom;
 
@@ -1567,7 +1572,8 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection,
                 m->environment = e;
 
         } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "UnsetEnvironment")) {
-                char **l = NULL, **e = NULL;
+                _cleanup_strv_free_ char **l = NULL;
+                char **e = NULL;
 
                 SELINUX_ACCESS_CHECK(connection, message, "reboot");
 
@@ -1576,10 +1582,10 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection,
                         goto oom;
                 if (r < 0)
                         return bus_send_error_reply(connection, message, NULL, r);
+                if (!strv_env_name_or_assignment_is_valid(l))
+                        return bus_send_error_reply(connection, message, NULL, -EINVAL);
 
                 e = strv_env_delete(m->environment, 1, l);
-                strv_free(l);
-
                 if (!e)
                         goto oom;
 
@@ -1593,7 +1599,8 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection,
                 m->environment = e;
 
         } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "UnsetAndSetEnvironment")) {
-                char **l_set = NULL, **l_unset = NULL, **e = NULL, **f = NULL;
+                _cleanup_strv_free_ char **l_set = NULL, **l_unset = NULL, **e = NULL;
+                char **f = NULL;
                 DBusMessageIter iter;
 
                 SELINUX_ACCESS_CHECK(connection, message, "reboot");
@@ -1606,33 +1613,25 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection,
                         goto oom;
                 if (r < 0)
                         return bus_send_error_reply(connection, message, NULL, r);
+                if (!strv_env_name_or_assignment_is_valid(l_unset))
+                        return bus_send_error_reply(connection, message, NULL, -EINVAL);
 
-                if (!dbus_message_iter_next(&iter)) {
-                        strv_free(l_unset);
+                if (!dbus_message_iter_next(&iter))
                         return bus_send_error_reply(connection, message, NULL, -EINVAL);
-                }
 
                 r = bus_parse_strv_iter(&iter, &l_set);
-                if (r < 0) {
-                        strv_free(l_unset);
-                        if (r == -ENOMEM)
-                                goto oom;
-
+                if (r == -ENOMEM)
+                        goto oom;
+                if (r < 0)
                         return bus_send_error_reply(connection, message, NULL, r);
-                }
+                if (!strv_env_is_valid(l_set))
+                        return bus_send_error_reply(connection, message, NULL, -EINVAL);
 
                 e = strv_env_delete(m->environment, 1, l_unset);
-                strv_free(l_unset);
-
-                if (!e) {
-                        strv_free(l_set);
+                if (!e)
                         goto oom;
-                }
 
                 f = strv_env_merge(2, e, l_set);
-                strv_free(l_set);
-                strv_free(e);
-
                 if (!f)
                         goto oom;
 
@@ -1895,7 +1894,7 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection,
         }
 
         if (reply)
-                if (!dbus_connection_send(connection, reply, NULL))
+                if (!bus_maybe_send_reply(connection, message, reply))
                         goto oom;
 
         return DBUS_HANDLER_RESULT_HANDLED;
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