X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fdbus-unit.c;h=2d5924219cd22ddf718efa5d4c2bc03c73208017;hp=da7d1bd5b791255e677492f173cf507a33fbf7ef;hb=2ee68f721168378a037a112a5400af0b92805432;hpb=6f28c033ec506847b3bfa4efaf52478120c36946

diff --git a/src/dbus-unit.c b/src/dbus-unit.c
index da7d1bd5b..2d5924219 100644
--- a/src/dbus-unit.c
+++ b/src/dbus-unit.c
@@ -47,6 +47,24 @@ int bus_unit_append_names(Manager *m, DBusMessageIter *i, const char *property,
         return 0;
 }
 
+int bus_unit_append_following(Manager *m, DBusMessageIter *i, const char *property, void *data) {
+        Unit *u = data, *f;
+        const char *d;
+
+        assert(m);
+        assert(i);
+        assert(property);
+        assert(u);
+
+        f = unit_following(u);
+        d = f ? f->meta.id : "";
+
+        if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &d))
+                return -ENOMEM;
+
+        return 0;
+}
+
 int bus_unit_append_dependencies(Manager *m, DBusMessageIter *i, const char *property, void *data) {
         Unit *u;
         Iterator j;
@@ -128,7 +146,29 @@ int bus_unit_append_can_start(Manager *m, DBusMessageIter *i, const char *proper
         assert(property);
         assert(u);
 
-        b = unit_can_start(u);
+        b = unit_can_start(u) &&
+                !u->meta.refuse_manual_start;
+
+        if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b))
+                return -ENOMEM;
+
+        return 0;
+}
+
+int bus_unit_append_can_stop(Manager *m, DBusMessageIter *i, const char *property, void *data) {
+        Unit *u = data;
+        dbus_bool_t b;
+
+        assert(m);
+        assert(i);
+        assert(property);
+        assert(u);
+
+        /* On the lower levels we assume that every unit we can start
+         * we can also stop */
+
+        b = unit_can_start(u) &&
+                !u->meta.refuse_manual_stop;
 
         if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b))
                 return -ENOMEM;
@@ -254,6 +294,23 @@ int bus_unit_append_cgroups(Manager *m, DBusMessageIter *i, const char *property
         return 0;
 }
 
+int bus_unit_append_need_daemon_reload(Manager *m, DBusMessageIter *i, const char *property, void *data) {
+        Unit *u = data;
+        dbus_bool_t b;
+
+        assert(m);
+        assert(i);
+        assert(property);
+        assert(u);
+
+        b = unit_need_daemon_reload(u);
+
+        if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b))
+                return -ENOMEM;
+
+        return 0;
+}
+
 static DBusHandlerResult bus_unit_message_dispatch(Unit *u, DBusConnection *connection, DBusMessage *message) {
         DBusMessage *reply = NULL;
         Manager *m = u->meta.manager;
@@ -280,6 +337,13 @@ static DBusHandlerResult bus_unit_message_dispatch(Unit *u, DBusConnection *conn
         } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Unit", "ReloadOrTryRestart")) {
                 reload_if_possible = true;
                 job_type = JOB_TRY_RESTART;
+        } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Unit", "ResetMaintenance")) {
+
+                unit_reset_maintenance(u);
+
+                if (!(reply = dbus_message_new_method_return(message)))
+                        goto oom;
+
         } else if (UNIT_VTABLE(u)->bus_message_handler)
                 return UNIT_VTABLE(u)->bus_message_handler(u, connection, message);
         else
@@ -291,8 +355,11 @@ static DBusHandlerResult bus_unit_message_dispatch(Unit *u, DBusConnection *conn
                 Job *j;
                 int r;
 
-                if (job_type == JOB_START && u->meta.only_by_dependency) {
-                        dbus_set_error(&error, BUS_ERROR_ONLY_BY_DEPENDENCY, "Unit may be activated by dependency only.");
+                if ((job_type == JOB_START && u->meta.refuse_manual_start) ||
+                    (job_type == JOB_STOP && u->meta.refuse_manual_stop) ||
+                    ((job_type == JOB_RESTART || job_type == JOB_TRY_RESTART) &&
+                     (u->meta.refuse_manual_start || u->meta.refuse_manual_stop))) {
+                        dbus_set_error(&error, BUS_ERROR_ONLY_BY_DEPENDENCY, "Operation refused, may be requested by dependency only.");
                         return bus_send_error_reply(m, connection, message, &error, -EPERM);
                 }
 
@@ -391,6 +458,9 @@ void bus_unit_send_change_signal(Unit *u) {
                 u->meta.in_dbus_queue = false;
         }
 
+        if (!u->meta.id)
+                return;
+
         if (!bus_has_subscriber(u->meta.manager)) {
                 u->meta.sent_dbus_new_signal = true;
                 return;
@@ -448,6 +518,9 @@ void bus_unit_send_removed_signal(Unit *u) {
         if (!u->meta.sent_dbus_new_signal)
                 bus_unit_send_change_signal(u);
 
+        if (!u->meta.id)
+                return;
+
         if (!(p = unit_dbus_path(u)))
                 goto oom;