execute: support syscall filtering using seccomp filters

[elogind.git] / src / shared / dbus-common.c

diff --git a/src/shared/dbus-common.c b/src/shared/dbus-common.c
index e161273cd8a08a9ec75d4875fd424e486929dacd..7d57680cfc1a0db8a22f919d945816635ed53a91 100644 (file)
--- a/src/shared/dbus-common.c
+++ b/src/shared/dbus-common.c
@@ -245,7 +245,8 @@ int bus_connect_system_polkit(DBusConnection **_bus, DBusError *error) {
 }
 
 const char *bus_error_message(const DBusError *error) {
-        assert(error);
+        if (!error)
+                return NULL;
 
         /* Sometimes the D-Bus server is a little bit too verbose with
          * its error messages, so let's override them here */
@@ -255,6 +256,14 @@ const char *bus_error_message(const DBusError *error) {
         return error->message;
 }
 
+const char *bus_error_message_or_strerror(const DBusError *error, int err) {
+
+        if (error && dbus_error_is_set(error))
+                return bus_error_message(error);
+
+        return strerror(err);
+}
+
 DBusHandlerResult bus_default_message_handler(
                 DBusConnection *c,
                 DBusMessage *message,
@@ -1073,6 +1082,29 @@ int generic_print_property(const char *name, DBusMessageIter *iter, bool all) {
                                 puts("");
                         }
 
+                        return 1;
+
+                } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_UINT32) {
+                        DBusMessageIter sub;
+
+                        dbus_message_iter_recurse(iter, &sub);
+                        if (all ||
+                            dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+                                printf("%s=", name);
+
+                                while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+                                        uint32_t u;
+
+                                        assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_UINT32);
+                                        dbus_message_iter_get_basic(&sub, &u);
+                                        printf("%08x", u);
+
+                                        dbus_message_iter_next(&sub);
+                                }
+
+                                puts("");
+                        }
+
                         return 1;
                 }
 
@@ -1147,7 +1179,7 @@ DBusHandlerResult bus_exit_idle_filter(DBusConnection *bus, DBusMessage *m, void
         assert(m);
         assert(remain_until);
 
-        /* Everytime we get a new message we reset out timeout */
+        /* Every time we get a new message we reset out timeout */
         *remain_until = now(CLOCK_MONOTONIC) + DEFAULT_EXIT_USEC;
 
         if (dbus_message_is_signal(m, DBUS_INTERFACE_LOCAL, "Disconnected"))