chiark / gitweb /
add org.freedesktop.DBus.Properies.Set method
[elogind.git] / src / dbus-manager.c
index 52638435c2d1cbbd7b4d7ebe9be9a997597ca999..7d4703b88b04e4e0c2baa1036442885bad08745e 100644 (file)
@@ -26,6 +26,7 @@
 #include "dbus-manager.h"
 #include "strv.h"
 #include "bus-errors.h"
+#include "build.h"
 
 #define BUS_MANAGER_INTERFACE_BEGIN                                     \
         " <interface name=\"org.freedesktop.systemd1.Manager\">\n"
         "   <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n"         \
         "   <arg name=\"job\" type=\"o\" direction=\"out\"/>\n"         \
         "  </method>\n"                                                 \
+        "  <method name=\"KillUnit\">\n"                                \
+        "   <arg name=\"name\" type=\"s\" direction=\"in\"/>\n"         \
+        "   <arg name=\"who\" type=\"s\" direction=\"in\"/>\n"          \
+        "   <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n"         \
+        "   <arg name=\"signal\" type=\"i\" direction=\"in\"/>\n"       \
+        "  </method>\n"                                                 \
         "  <method name=\"ResetFailedUnit\">\n"                         \
         "   <arg name=\"name\" type=\"s\" direction=\"in\"/>\n"         \
         "  </method>\n"                                                 \
         "  <signal name=\"JobRemoved\">\n"                              \
         "   <arg name=\"id\" type=\"u\"/>\n"                            \
         "   <arg name=\"job\" type=\"o\"/>\n"                           \
-        "   <arg name=\"success\" type=\"b\"/>\n"                       \
+        "   <arg name=\"result\" type=\"s\"/>\n"                        \
         "  </signal>"
 
-
 #define BUS_MANAGER_INTERFACE_PROPERTIES_GENERAL                        \
         "  <property name=\"Version\" type=\"s\" access=\"read\"/>\n"   \
+        "  <property name=\"Distribution\" type=\"s\" access=\"read\"/>\n" \
+        "  <property name=\"Features\" type=\"s\" access=\"read\"/>\n"  \
+        "  <property name=\"Tainted\" type=\"s\" access=\"read\"/>\n"   \
         "  <property name=\"RunningAs\" type=\"s\" access=\"read\"/>\n" \
+        "  <property name=\"InitRDTimestamp\" type=\"t\" access=\"read\"/>\n" \
         "  <property name=\"StartupTimestamp\" type=\"t\" access=\"read\"/>\n" \
-        "  <property name=\"LogLevel\" type=\"s\" access=\"read\"/>\n"  \
-        "  <property name=\"LogTarget\" type=\"s\" access=\"read\"/>\n" \
+        "  <property name=\"FinishTimestamp\" type=\"t\" access=\"read\"/>\n" \
+        "  <property name=\"LogLevel\" type=\"s\" access=\"readwrite\"/>\n"  \
+        "  <property name=\"LogTarget\" type=\"s\" access=\"readwrite\"/>\n" \
         "  <property name=\"NNames\" type=\"u\" access=\"read\"/>\n"    \
         "  <property name=\"NJobs\" type=\"u\" access=\"read\"/>\n"     \
         "  <property name=\"NInstalledJobs\" type=\"u\" access=\"read\"/>\n" \
         "  <property name=\"NotifySocket\" type=\"s\" access=\"read\"/>\n" \
         "  <property name=\"ControlGroupHierarchy\" type=\"s\" access=\"read\"/>\n" \
         "  <property name=\"MountAuto\" type=\"b\" access=\"read\"/>\n" \
-        "  <property name=\"SwapAuto\" type=\"b\" access=\"read\"/>\n"
+        "  <property name=\"SwapAuto\" type=\"b\" access=\"read\"/>\n"  \
+        "  <property name=\"DefaultControllers\" type=\"as\" access=\"read\"/>\n" \
+        "  <property name=\"DefaultStandardOutput\" type=\"s\" access=\"read\"/>\n" \
+        "  <property name=\"DefaultStandardError\" type=\"s\" access=\"read\"/>\n"
 
 #ifdef HAVE_SYSV_COMPAT
 #define BUS_MANAGER_INTERFACE_PROPERTIES_SYSV                           \
 #define INTROSPECTION_END                                               \
         "</node>\n"
 
-const char bus_manager_interface[] = BUS_MANAGER_INTERFACE;
+const char bus_manager_interface[] _introspect_("Manager") = BUS_MANAGER_INTERFACE;
 
 static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_running_as, manager_running_as, ManagerRunningAs);
+static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_exec_output, exec_output, ExecOutput);
+
+static int bus_manager_append_tainted(Manager *m, DBusMessageIter *i, const char *property, void *data) {
+        const char *t;
+        char buf[64] = "", *e = buf, *p = NULL;
+
+        assert(m);
+        assert(i);
+        assert(property);
+
+        if (path_is_mount_point("/usr") > 0 || dir_is_empty("/usr") > 0)
+                e = stpcpy(e, "usr-separate-fs");
+
+        if (readlink_malloc("/etc/mtab", &p) < 0) {
+                if (e != buf)
+                        e = stpcpy(e, " ");
+                e = stpcpy(e, "etc-mtab-not-symlink");
+        } else
+                free(p);
+
+        t = buf;
+
+        if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t))
+                return -ENOMEM;
+
+        return 0;
+}
 
 static int bus_manager_append_log_target(Manager *m, DBusMessageIter *i, const char *property, void *data) {
         const char *t;
@@ -211,6 +252,18 @@ static int bus_manager_append_log_target(Manager *m, DBusMessageIter *i, const c
         return 0;
 }
 
+static int bus_manager_set_log_target(Manager *m, DBusMessageIter *i, const char *property) {
+        const char *t;
+
+        assert(m);
+        assert(i);
+        assert(property);
+
+        dbus_message_iter_get_basic(i, &t);
+
+        return log_set_target_from_string(t);
+}
+
 static int bus_manager_append_log_level(Manager *m, DBusMessageIter *i, const char *property, void *data) {
         const char *t;
 
@@ -226,6 +279,18 @@ static int bus_manager_append_log_level(Manager *m, DBusMessageIter *i, const ch
         return 0;
 }
 
+static int bus_manager_set_log_level(Manager *m, DBusMessageIter *i, const char *property) {
+        const char *t;
+
+        assert(m);
+        assert(i);
+        assert(property);
+
+        dbus_message_iter_get_basic(i, &t);
+
+        return log_set_max_level_from_string(t);
+}
+
 static int bus_manager_append_n_names(Manager *m, DBusMessageIter *i, const char *property, void *data) {
         uint32_t u;
 
@@ -293,11 +358,15 @@ 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", "Distribution",  bus_property_append_string,    "s",  DISTRIBUTION       },
+                { "org.freedesktop.systemd1.Manager", "Features",      bus_property_append_string,    "s",  SYSTEMD_FEATURES   },
                 { "org.freedesktop.systemd1.Manager", "RunningAs",     bus_manager_append_running_as, "s",  &m->running_as     },
+                { "org.freedesktop.systemd1.Manager", "Tainted",       bus_manager_append_tainted,    "s",  m                  },
+                { "org.freedesktop.systemd1.Manager", "InitRDTimestamp", bus_property_append_uint64,  "t",  &m->initrd_timestamp.realtime },
                 { "org.freedesktop.systemd1.Manager", "StartupTimestamp", bus_property_append_uint64, "t",  &m->startup_timestamp.realtime },
                 { "org.freedesktop.systemd1.Manager", "FinishTimestamp", bus_property_append_uint64,  "t",  &m->finish_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", "LogLevel",      bus_manager_append_log_level,  "s",  NULL,               bus_manager_set_log_level},
+                { "org.freedesktop.systemd1.Manager", "LogTarget",     bus_manager_append_log_target, "s",  NULL,               bus_manager_set_log_target},
                 { "org.freedesktop.systemd1.Manager", "NNames",        bus_manager_append_n_names,    "u",  NULL               },
                 { "org.freedesktop.systemd1.Manager", "NJobs",         bus_manager_append_n_jobs,     "u",  NULL               },
                 { "org.freedesktop.systemd1.Manager", "NInstalledJobs",bus_property_append_uint32,    "u",  &m->n_installed_jobs },
@@ -310,7 +379,10 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection,
                 { "org.freedesktop.systemd1.Manager", "NotifySocket",  bus_property_append_string,    "s",  m->notify_socket   },
                 { "org.freedesktop.systemd1.Manager", "ControlGroupHierarchy", bus_property_append_string, "s", m->cgroup_hierarchy },
                 { "org.freedesktop.systemd1.Manager", "MountAuto",     bus_property_append_bool,      "b",  &m->mount_auto     },
-                { "org.freedesktop.systemd1.Manager", "SwapAuto",      bus_property_append_bool,      "b",  &m->swap_auto     },
+                { "org.freedesktop.systemd1.Manager", "SwapAuto",      bus_property_append_bool,      "b",  &m->swap_auto      },
+                { "org.freedesktop.systemd1.Manager", "DefaultControllers", bus_property_append_strv, "as", m->default_controllers },
+                { "org.freedesktop.systemd1.Manager", "DefaultStandardOutput", bus_manager_append_exec_output, "s", &m->default_std_output },
+                { "org.freedesktop.systemd1.Manager", "DefaultStandardError",  bus_manager_append_exec_output, "s", &m->default_std_error  },
 #ifdef HAVE_SYSV_COMPAT
                 { "org.freedesktop.systemd1.Manager", "SysVConsole",   bus_property_append_bool,      "b",  &m->sysv_console   },
                 { "org.freedesktop.systemd1.Manager", "SysVInitPath",  bus_property_append_strv,      "as", m->lookup_paths.sysvinit_path },
@@ -430,6 +502,40 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection,
         } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ReloadOrTryRestartUnit")) {
                 reload_if_possible = true;
                 job_type = JOB_TRY_RESTART;
+        } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "KillUnit")) {
+                const char *name, *swho, *smode;
+                int32_t signo;
+                Unit *u;
+                KillMode mode;
+                KillWho who;
+
+                if (!dbus_message_get_args(
+                                    message,
+                                    &error,
+                                    DBUS_TYPE_STRING, &name,
+                                    DBUS_TYPE_STRING, &swho,
+                                    DBUS_TYPE_STRING, &smode,
+                                    DBUS_TYPE_INT32, &signo,
+                                    DBUS_TYPE_INVALID))
+                        return bus_send_error_reply(m, connection, message, &error, -EINVAL);
+
+                if ((mode = kill_mode_from_string(smode)) < 0 ||
+                    (who = kill_who_from_string(swho)) < 0 ||
+                    signo <= 0 ||
+                    signo >= _NSIG)
+                        return bus_send_error_reply(m, connection, message, &error, -EINVAL);
+
+                if (!(u = manager_get_unit(m, name))) {
+                        dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name);
+                        return bus_send_error_reply(m, connection, message, &error, -ENOENT);
+                }
+
+                if ((r = unit_kill(u, who, mode, signo, &error)) < 0)
+                        return bus_send_error_reply(m, connection, message, &error, r);
+
+                if (!(reply = dbus_message_new_method_return(message)))
+                        goto oom;
+
         } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetJob")) {
                 uint32_t id;
                 Job *j;
@@ -811,7 +917,7 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection,
         } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Exit")) {
 
                 if (m->running_as == MANAGER_SYSTEM) {
-                        dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "Exit is only supported for session managers.");
+                        dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "Exit is only supported for user service managers.");
                         return bus_send_error_reply(m, connection, message, &error, -ENOTSUP);
                 }