X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Flogin%2Flogind-dbus.c;h=3cde83166f21208424f87fa1fd8e43255e8c441c;hp=17bd5e5c3cde493462fe236f1537495a2b6ba68d;hb=2154761fbbc931e3e3d83100fa42609c99cd2536;hpb=4f5d327a49e1a40ae0a3b8f1855dc90f3c0d953f

diff --git a/src/login/logind-dbus.c b/src/login/logind-dbus.c
index 17bd5e5c3..3cde83166 100644
--- a/src/login/logind-dbus.c
+++ b/src/login/logind-dbus.c
@@ -930,27 +930,20 @@ static int have_multiple_sessions(
                 DBusMessage *message,
                 DBusError *error) {
 
-        Session *s;
+        Session *session;
+        Iterator i;
+        unsigned long ul;
 
         assert(m);
 
-        if (hashmap_size(m->sessions) > 1)
-                return true;
-
-        /* Hmm, there's only one session, but let's make sure it
-         * actually belongs to the user who is asking. If not, better
-         * be safe than sorry. */
-
-        s = hashmap_first(m->sessions);
-        if (s) {
-                unsigned long ul;
-
-                ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error);
-                if (ul == (unsigned long) -1)
-                        return -EIO;
+        ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error);
+        if (ul == (unsigned long) -1)
+                return -EIO;
 
-                return s->user->uid != ul;
-        }
+        /* Check for other users' sessions. Greeter sessions do not count. */
+        HASHMAP_FOREACH(session, m->sessions, i)
+                if (session->class == SESSION_USER && session->user->uid != ul)
+                        return true;
 
         return false;
 }