chiark / gitweb /
core/smack: downgrade info to debug
[elogind.git] / src / core / dbus-manager.c
index 859fa1a90699bc348881eb2c25dd567eff0307df..8f4bbc59b786231d04efc368072623a3a6515b3d 100644 (file)
@@ -36,6 +36,7 @@
 #include "path-util.h"
 #include "dbus-unit.h"
 #include "virt.h"
+#include "env-util.h"
 
 #define BUS_MANAGER_INTERFACE_BEGIN                                     \
         " <interface name=\"org.freedesktop.systemd1.Manager\">\n"
         "  <method name=\"ResetFailedUnit\">\n"                         \
         "   <arg name=\"name\" type=\"s\" direction=\"in\"/>\n"         \
         "  </method>\n"                                                 \
+        "  <method name=\"SetUnitControlGroup\">\n"                     \
+        "   <arg name=\"name\" type=\"s\" direction=\"in\"/>\n"         \
+        "   <arg name=\"group\" type=\"s\" direction=\"in\"/>\n"        \
+        "   <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n"         \
+        "  </method>\n"                                                 \
+        "  <method name=\"UnsetUnitControlGroup\">\n"                   \
+        "   <arg name=\"name\" type=\"s\" direction=\"in\"/>\n"         \
+        "   <arg name=\"group\" type=\"s\" direction=\"in\"/>\n"        \
+        "   <arg name=\"mode\" type=\"s\" direction=\"in\"\n/>"         \
+        "  </method>\n"                                                 \
+        "  <method name=\"GetUnitControlGroupAttribute\">\n"            \
+        "   <arg name=\"name\" 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=\"SetUnitControlGroupAttribute\">\n"            \
+        "   <arg name=\"name\" 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=\"UnsetUnitControlGroupAttributes\">\n"         \
+        "   <arg name=\"name\" 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"           \
         "   <arg name=\"job\" type=\"o\" direction=\"out\"/>\n"         \
         "  </method>\n"                                                 \
+        "  <method name=\"CancelJob\">\n"                               \
+        "   <arg name=\"id\" type=\"u\" direction=\"in\"/>\n"           \
+        "  </method>\n"                                                 \
         "  <method name=\"ClearJobs\"/>\n"                              \
         "  <method name=\"ResetFailed\"/>\n"                            \
         "  <method name=\"ListUnits\">\n"                               \
         "   <arg name=\"cleanup\" type=\"b\" direction=\"in\"/>\n"      \
         "   <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n"        \
         "  </method>\n"                                                 \
+        "  <method name=\"RemoveSnapshot\">\n"                          \
+        "   <arg name=\"name\" type=\"s\" direction=\"in\"/>\n"         \
+        "  </method>\n"                                                 \
         "  <method name=\"Reload\"/>\n"                                 \
         "  <method name=\"Reexecute\"/>\n"                              \
         "  <method name=\"Exit\"/>\n"                                   \
@@ -774,10 +807,33 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection,
                                     DBUS_TYPE_INVALID))
                         goto oom;
 
+        } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "CancelJob")) {
+                uint32_t id;
+                Job *j;
+
+                if (!dbus_message_get_args(
+                                    message,
+                                    &error,
+                                    DBUS_TYPE_UINT32, &id,
+                                    DBUS_TYPE_INVALID))
+                        return bus_send_error_reply(connection, message, &error, -EINVAL);
+
+                j = manager_get_job(m, id);
+                if (!j) {
+                        dbus_set_error(&error, BUS_ERROR_NO_SUCH_JOB, "Job %u does not exist.", (unsigned) id);
+                        return bus_send_error_reply(connection, message, &error, -ENOENT);
+                }
+
+                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)
+                        goto oom;
+
         } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ClearJobs")) {
 
                 SELINUX_ACCESS_CHECK(connection, message, "reboot");
-
                 manager_clear_jobs(m);
 
                 reply = dbus_message_new_method_return(message);
@@ -819,6 +875,151 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection,
                 if (!reply)
                         goto oom;
 
+        } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "SetUnitControlGroup")) {
+                const char *name;
+                Unit *u;
+                DBusMessageIter iter;
+
+                if (!dbus_message_iter_init(message, &iter))
+                        goto oom;
+
+                r = bus_iter_get_basic_and_next(&iter, DBUS_TYPE_STRING, &name, true);
+                if (r < 0)
+                        return bus_send_error_reply(connection, message, NULL, r);
+
+                u = manager_get_unit(m, name);
+                if (!u) {
+                        dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name);
+                        return bus_send_error_reply(connection, message, &error, -ENOENT);
+                }
+
+                SELINUX_UNIT_ACCESS_CHECK(u, connection, message, "start");
+
+                r = bus_unit_cgroup_set(u, &iter);
+                if (r < 0)
+                        return bus_send_error_reply(connection, message, NULL, r);
+
+                reply = dbus_message_new_method_return(message);
+                if (!reply)
+                        goto oom;
+
+        } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "UnsetUnitControlGroup")) {
+                const char *name;
+                Unit *u;
+                DBusMessageIter iter;
+
+                if (!dbus_message_iter_init(message, &iter))
+                        goto oom;
+
+                r = bus_iter_get_basic_and_next(&iter, DBUS_TYPE_STRING, &name, true);
+                if (r < 0)
+                        return bus_send_error_reply(connection, message, NULL, r);
+
+                u = manager_get_unit(m, name);
+                if (!u) {
+                        dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name);
+                        return bus_send_error_reply(connection, message, &error, -ENOENT);
+                }
+
+                SELINUX_UNIT_ACCESS_CHECK(u, connection, message, "stop");
+
+                r = bus_unit_cgroup_unset(u, &iter);
+                if (r < 0)
+                        return bus_send_error_reply(connection, message, NULL, r);
+
+                reply = dbus_message_new_method_return(message);
+                if (!reply)
+                        goto oom;
+
+        } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "SetUnitControlGroupAttribute")) {
+                const char *name;
+                Unit *u;
+                DBusMessageIter iter;
+
+                if (!dbus_message_iter_init(message, &iter))
+                        goto oom;
+
+                r = bus_iter_get_basic_and_next(&iter, DBUS_TYPE_STRING, &name, true);
+                if (r < 0)
+                        return bus_send_error_reply(connection, message, NULL, r);
+
+                u = manager_get_unit(m, name);
+                if (!u) {
+                        dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name);
+                        return bus_send_error_reply(connection, message, &error, -ENOENT);
+                }
+
+                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);
+
+                reply = dbus_message_new_method_return(message);
+                if (!reply)
+                        goto oom;
+
+        } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "UnsetUnitControlGroupAttribute")) {
+                const char *name;
+                Unit *u;
+                DBusMessageIter iter;
+
+                if (!dbus_message_iter_init(message, &iter))
+                        goto oom;
+
+                r = bus_iter_get_basic_and_next(&iter, DBUS_TYPE_STRING, &name, true);
+                if (r < 0)
+                        return bus_send_error_reply(connection, message, NULL, r);
+
+                u = manager_get_unit(m, name);
+                if (!u) {
+                        dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name);
+                        return bus_send_error_reply(connection, message, &error, -ENOENT);
+                }
+
+                SELINUX_UNIT_ACCESS_CHECK(u, connection, message, "stop");
+
+                r = bus_unit_cgroup_attribute_unset(u, &iter);
+                if (r < 0)
+                        return bus_send_error_reply(connection, message, NULL, r);
+
+                reply = dbus_message_new_method_return(message);
+                if (!reply)
+                        goto oom;
+
+        } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetUnitControlGroupAttribute")) {
+                const char *name;
+                Unit *u;
+                DBusMessageIter iter;
+                _cleanup_strv_free_ char **list = NULL;
+
+                if (!dbus_message_iter_init(message, &iter))
+                        goto oom;
+
+                r = bus_iter_get_basic_and_next(&iter, DBUS_TYPE_STRING, &name, true);
+                if (r < 0)
+                        return bus_send_error_reply(connection, message, NULL, r);
+
+                u = manager_get_unit(m, name);
+                if (!u) {
+                        dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name);
+                        return bus_send_error_reply(connection, message, &error, -ENOENT);
+                }
+
+                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);
+
+                reply = dbus_message_new_method_return(message);
+                if (!reply)
+                        goto oom;
+
+                dbus_message_iter_init_append(reply, &iter);
+                if (bus_append_strv_iter(&iter, list) < 0)
+                        goto oom;
+
         } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ListUnits")) {
                 DBusMessageIter iter, sub;
                 Iterator i;
@@ -1080,6 +1281,35 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection,
                                     DBUS_TYPE_INVALID))
                         goto oom;
 
+        } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "RemoveSnapshot")) {
+                const char *name;
+                Unit *u;
+
+                if (!dbus_message_get_args(
+                                    message,
+                                    &error,
+                                    DBUS_TYPE_STRING, &name,
+                                    DBUS_TYPE_INVALID))
+                        return bus_send_error_reply(connection, message, &error, -EINVAL);
+
+                u = manager_get_unit(m, name);
+                if (!u) {
+                        dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s does not exist.", name);
+                        return bus_send_error_reply(connection, message, &error, -ENOENT);
+                }
+
+                if (u->type != UNIT_SNAPSHOT) {
+                        dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not a snapshot.", name);
+                        return bus_send_error_reply(connection, message, &error, -ENOENT);
+                }
+
+                SELINUX_UNIT_ACCESS_CHECK(u, connection, message, "stop");
+                snapshot_remove(SNAPSHOT(u));
+
+                reply = dbus_message_new_method_return(message);
+                if (!reply)
+                        goto oom;
+
         } else if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect")) {
                 char *introspection = NULL;
                 FILE *f;
@@ -1315,7 +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");
 
@@ -1324,9 +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;
 
@@ -1340,7 +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");
 
@@ -1349,10 +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;
 
@@ -1366,7 +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");
@@ -1379,33 +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;