chiark / gitweb /
systemctl: add /dev/initctl fallback
[elogind.git] / src / dbus-manager.c
index 90ab8d1a0cab509b1d78270191962a65bf0a8842..d4c9e8f0e2cfa91863f98cf1b1d6297fd9efae49 100644 (file)
 #include "dbus-manager.h"
 #include "strv.h"
 
+#define BUS_MANAGER_INTERFACE                                           \
+        " <interface name=\"org.freedesktop.systemd1.Manager\">\n"      \
+        "  <method name=\"GetUnit\">\n"                                 \
+        "   <arg name=\"name\" type=\"s\" direction=\"in\"/>\n"         \
+        "   <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n"        \
+        "  </method>\n"                                                 \
+        "  <method name=\"LoadUnit\">\n"                                \
+        "   <arg name=\"name\" type=\"s\" direction=\"in\"/>\n"         \
+        "   <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n"        \
+        "  </method>\n"                                                 \
+        "  <method name=\"StartUnit\">\n"                               \
+        "   <arg name=\"name\" type=\"s\" direction=\"in\"/>\n"         \
+        "   <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n"         \
+        "   <arg name=\"job\" type=\"o\" direction=\"out\"/>\n"         \
+        "  </method>\n"                                                 \
+        "  <method name=\"StopUnit\">\n"                                \
+        "   <arg name=\"name\" type=\"s\" direction=\"in\"/>\n"         \
+        "   <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n"         \
+        "   <arg name=\"job\" type=\"o\" direction=\"out\"/>\n"         \
+        "  </method>\n"                                                 \
+        "  <method name=\"ReloadUnit\">\n"                              \
+        "   <arg name=\"name\" type=\"s\" direction=\"in\"/>\n"         \
+        "   <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n"         \
+        "   <arg name=\"job\" type=\"o\" direction=\"out\"/>\n"         \
+        "  </method>\n"                                                 \
+        "  <method name=\"RestartUnit\">\n"                             \
+        "   <arg name=\"name\" type=\"s\" direction=\"in\"/>\n"         \
+        "   <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n"         \
+        "   <arg name=\"job\" type=\"o\" direction=\"out\"/>\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=\"ClearJobs\"/>\n"                              \
+        "  <method name=\"ListUnits\">\n"                               \
+        "   <arg name=\"units\" type=\"a(sssssouso)\" direction=\"out\"/>\n" \
+        "  </method>\n"                                                 \
+        "  <method name=\"ListJobs\">\n"                                \
+        "   <arg name=\"jobs\" type=\"a(usssoo)\" direction=\"out\"/>\n" \
+        "  </method>\n"                                                 \
+        "  <method name=\"Subscribe\"/>\n"                              \
+        "  <method name=\"Unsubscribe\"/>\n"                            \
+        "  <method name=\"Dump\"/>\n"                                   \
+        "  <method name=\"CreateSnapshot\">\n"                          \
+        "   <arg name=\"name\" type=\"s\" direction=\"in\"/>\n"         \
+        "   <arg nane=\"cleanup\" type=\"b\" direction=\"in\"/>\n"      \
+        "   <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n"        \
+        "  </method>\n"                                                 \
+        "  <method name=\"Reload\"/>\n"                                 \
+        "  <method name=\"Reexecute\"/>\n"                              \
+        "  <method name=\"Exit\"/>\n"                                   \
+        "  <method name=\"SetEnvironment\">\n"                          \
+        "   <arg name=\"names\" type=\"as\" direction=\"in\"/>\n"       \
+        "  </method>\n"                                                 \
+        "  <method name=\"UnsetEnvironment\">\n"                        \
+        "   <arg name=\"names\" type=\"as\" direction=\"in\"/>\n"       \
+        "  </method>\n"                                                 \
+        "  <signal name=\"UnitNew\">\n"                                 \
+        "   <arg name=\"id\" type=\"s\"/>\n"                            \
+        "   <arg name=\"unit\" type=\"o\"/>\n"                          \
+        "  </signal>\n"                                                 \
+        "  <signal name=\"UnitRemoved\">\n"                             \
+        "   <arg name=\"id\" type=\"s\"/>\n"                            \
+        "   <arg name=\"unit\" type=\"o\"/>\n"                          \
+        "  </signal>\n"                                                 \
+        "  <signal name=\"JobNew\">\n"                                  \
+        "   <arg name=\"id\" type=\"u\"/>\n"                            \
+        "   <arg name=\"job\" type=\"o\"/>\n"                           \
+        "  </signal>\n"                                                 \
+        "  <signal name=\"JobRemoved\">\n"                              \
+        "   <arg name=\"id\" type=\"u\"/>\n"                            \
+        "   <arg name=\"job\" type=\"o\"/>\n"                           \
+        "   <arg name=\"success\" type=\"b\"/>\n"                       \
+        "  </signal>"                                                   \
+        "  <property name=\"Version\" type=\"s\" access=\"read\"/>\n"   \
+        "  <property name=\"RunningAs\" type=\"s\" access=\"read\"/>\n" \
+        "  <property name=\"BootTimestamp\" type=\"t\" access=\"read\"/>\n" \
+        "  <property name=\"LogLevel\" type=\"s\" access=\"read\"/>\n"  \
+        "  <property name=\"LogTarget\" type=\"s\" access=\"read\"/>\n" \
+        "  <property name=\"NNames\" type=\"u\" access=\"read\"/>\n"    \
+        "  <property name=\"NJobs\" type=\"u\" access=\"read\"/>\n"     \
+        "  <property name=\"Environment\" type=\"as\" access=\"read\"/>\n" \
+        " </interface>\n"
+
 #define INTROSPECTION_BEGIN                                             \
         DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE                       \
-        "<node>"                                                        \
-        " <interface name=\"org.freedesktop.systemd1.Manager\">"        \
-        "  <method name=\"GetUnit\">"                                   \
-        "   <arg name=\"name\" type=\"s\" direction=\"in\"/>"           \
-        "   <arg name=\"unit\" type=\"o\" direction=\"out\"/>"          \
-        "  </method>"                                                   \
-        "  <method name=\"LoadUnit\">"                                  \
-        "   <arg name=\"name\" type=\"s\" direction=\"in\"/>"           \
-        "   <arg name=\"unit\" type=\"o\" direction=\"out\"/>"          \
-        "  </method>"                                                   \
-        "  <method name=\"GetJob\">"                                    \
-        "   <arg name=\"id\" type=\"u\" direction=\"in\"/>"             \
-        "   <arg name=\"job\" type=\"o\" direction=\"out\"/>"           \
-        "  </method>"                                                   \
-        "  <method name=\"ClearJobs\"/>"                                \
-        "  <method name=\"ListUnits\">"                                 \
-        "   <arg name=\"units\" type=\"a(sssssouso)\" direction=\"out\"/>" \
-        "  </method>"                                                   \
-        "  <method name=\"ListJobs\">"                                  \
-        "   <arg name=\"jobs\" type=\"a(usssoo)\" direction=\"out\"/>"  \
-        "  </method>"                                                   \
-        "  <method name=\"Subscribe\"/>"                                \
-        "  <method name=\"Unsubscribe\"/>"                              \
-        "  <method name=\"Dump\"/>"                                     \
-        "  <method name=\"CreateSnapshot\">"                            \
-        "   <arg name=\"name\" type=\"s\" direction=\"in\"/>"           \
-        "   <arg nane=\"cleanup\" type=\"b\" direction=\"in\"/>"        \
-        "   <arg name=\"unit\" type=\"o\" direction=\"out\"/>"          \
-        "  </method>"                                                   \
-        "  <method name=\"Reload\"/>"                                   \
-        "  <method name=\"Reexecute\"/>"                                \
-        "  <method name=\"Exit\"/>"                                     \
-        "  <method name=\"SetEnvironment\">"                            \
-        "   <arg name=\"names\" type=\"as\" direction=\"in\"/>"         \
-        "  </method>"                                                   \
-        "  <method name=\"UnsetEnvironment\">"                          \
-        "   <arg name=\"names\" type=\"as\" direction=\"in\"/>"         \
-        "  </method>"                                                   \
-        "  <signal name=\"UnitNew\">"                                   \
-        "   <arg name=\"id\" type=\"s\"/>"                              \
-        "   <arg name=\"unit\" type=\"o\"/>"                            \
-        "  </signal>"                                                   \
-        "  <signal name=\"UnitRemoved\">"                               \
-        "   <arg name=\"id\" type=\"s\"/>"                              \
-        "   <arg name=\"unit\" type=\"o\"/>"                            \
-        "  </signal>"                                                   \
-        "  <signal name=\"JobNew\">"                                    \
-        "   <arg name=\"id\" type=\"u\"/>"                              \
-        "   <arg name=\"job\" type=\"o\"/>"                             \
-        "  </signal>"                                                   \
-        "  <signal name=\"JobRemoved\">"                                \
-        "   <arg name=\"id\" type=\"u\"/>"                              \
-        "   <arg name=\"job\" type=\"o\"/>"                             \
-        "  </signal>"                                                   \
-        "  <property name=\"Version\" type=\"s\" access=\"read\"/>"     \
-        "  <property name=\"RunningAs\" type=\"s\" access=\"read\"/>"   \
-        "  <property name=\"BootTimestamp\" type=\"t\" access=\"read\"/>" \
-        "  <property name=\"LogLevel\" type=\"s\" access=\"read\"/>"    \
-        "  <property name=\"LogTarget\" type=\"s\" access=\"read\"/>"   \
-        "  <property name=\"NNames\" type=\"u\" access=\"read\"/>"      \
-        "  <property name=\"NJobs\" type=\"u\" access=\"read\"/>"       \
-        "  <property name=\"Environment\" type=\"as\" access=\"read\"/>" \
-        " </interface>"                                                 \
+        "<node>\n"                                                      \
+        BUS_MANAGER_INTERFACE                                           \
         BUS_PROPERTIES_INTERFACE                                        \
         BUS_INTROSPECTABLE_INTERFACE
 
 #define INTROSPECTION_END                                               \
-        "</node>"
+        "</node>\n"
+
+const char bus_manager_interface[] = BUS_MANAGER_INTERFACE;
 
 static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_running_as, manager_running_as, ManagerRunningAs);
 
@@ -165,7 +191,7 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection  *connection
         const BusProperty properties[] = {
                 { "org.freedesktop.systemd1.Manager", "Version",       bus_property_append_string,    "s", PACKAGE_STRING     },
                 { "org.freedesktop.systemd1.Manager", "RunningAs",     bus_manager_append_running_as, "s", &m->running_as     },
-                { "org.freedesktop.systemd1.Manager", "BootTimestamp", bus_property_append_uint64,    "t", &m->boot_timestamp },
+                { "org.freedesktop.systemd1.Manager", "BootTimestamp", bus_property_append_uint64,    "t", &m->startup_timestamp.realtime },
                 { "org.freedesktop.systemd1.Manager", "LogLevel",      bus_manager_append_log_level,  "s", NULL               },
                 { "org.freedesktop.systemd1.Manager", "LogTarget",     bus_manager_append_log_target, "s", NULL               },
                 { "org.freedesktop.systemd1.Manager", "NNames",        bus_manager_append_n_names,    "u", NULL               },
@@ -178,6 +204,7 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection  *connection
         DBusError error;
         DBusMessage *reply = NULL;
         char * path = NULL;
+        JobType job_type = _JOB_TYPE_INVALID;
 
         assert(connection);
         assert(message);
@@ -242,7 +269,15 @@ 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", "GetJob")) {
+        } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "StartUnit"))
+                job_type = JOB_START;
+        else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "StopUnit"))
+                job_type = JOB_STOP;
+        else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ReloadUnit"))
+                job_type = JOB_RELOAD;
+        else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "RestartUnit"))
+                job_type = JOB_RESTART;
+        else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetJob")) {
                 uint32_t id;
                 Job *j;
 
@@ -291,7 +326,7 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection  *connection
 
                 HASHMAP_FOREACH_KEY(u, k, m->units, i) {
                         char *u_path, *j_path;
-                        const char *description, *load_state, *active_state, *sub_state, *job_type;
+                        const char *description, *load_state, *active_state, *sub_state, *sjob_type;
                         DBusMessageIter sub2;
                         uint32_t job_id;
 
@@ -317,11 +352,11 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection  *connection
                                         goto oom;
                                 }
 
-                                job_type = job_type_to_string(u->meta.job->type);
+                                sjob_type = job_type_to_string(u->meta.job->type);
                         } else {
                                 job_id = 0;
                                 j_path = u_path;
-                                job_type = "";
+                                sjob_type = "";
                         }
 
                         if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &u->meta.id) ||
@@ -331,7 +366,7 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection  *connection
                             !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &sub_state) ||
                             !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &u_path) ||
                             !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &job_id) ||
-                            !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &job_type) ||
+                            !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &sjob_type) ||
                             !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &j_path)) {
                                 free(u_path);
                                 if (u->meta.job)
@@ -591,7 +626,7 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection  *connection
                         return bus_send_error_reply(m, message, NULL, r);
                 }
 
-                e = strv_env_merge(m->environment, l, NULL);
+                e = strv_env_merge(2, m->environment, l);
                 strv_free(l);
 
                 if (!e)
@@ -615,7 +650,7 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection  *connection
                         return bus_send_error_reply(m, message, NULL, r);
                 }
 
-                e = strv_env_delete(m->environment, l, NULL);
+                e = strv_env_delete(m->environment, 1, l);
                 strv_free(l);
 
                 if (!e)
@@ -630,6 +665,46 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection  *connection
         } else
                 return bus_default_message_handler(m, message, NULL, properties);
 
+
+        if (job_type != _JOB_TYPE_INVALID) {
+                const char *name, *smode;
+                JobMode mode;
+                Job *j;
+                Unit *u;
+
+                if (!dbus_message_get_args(
+                                    message,
+                                    &error,
+                                    DBUS_TYPE_STRING, &name,
+                                    DBUS_TYPE_STRING, &smode,
+                                    DBUS_TYPE_INVALID))
+                        return bus_send_error_reply(m, message, &error, -EINVAL);
+
+                if ((mode = job_mode_from_string(smode)) == _JOB_MODE_INVALID)
+                        return bus_send_error_reply(m, message, NULL, -EINVAL);
+
+                if ((r = manager_load_unit(m, name, NULL, &u)) < 0)
+                        return bus_send_error_reply(m, message, NULL, r);
+
+                if (job_type == JOB_START && u->meta.only_by_dependency)
+                        return bus_send_error_reply(m, message, NULL, -EPERM);
+
+                if ((r = manager_add_job(m, job_type, u, mode, true, &j)) < 0)
+                        return bus_send_error_reply(m, message, NULL, r);
+
+                if (!(reply = dbus_message_new_method_return(message)))
+                        goto oom;
+
+                if (!(path = job_dbus_path(j)))
+                        goto oom;
+
+                if (!dbus_message_append_args(
+                                    reply,
+                                    DBUS_TYPE_OBJECT_PATH, &path,
+                                    DBUS_TYPE_INVALID))
+                        goto oom;
+        }
+
         free(path);
 
         if (reply) {