daemon:Trust SystemAccount key from keyfile over heuristics

We use some less than perfect heuristics for determining whether or
not a user is a "system account".

This commit defers to what's in the key file when the key file
explicitly says.

https://bugs.freedesktop.org/show_bug.cgi?id=64769

1 files changed, 10 insertions, 0 deletions

diff --git a/src/user.c b/src/user.c
index af60bb3..726a9d6 100644
--- a/src/user.c
+++ b/src/user.c
@@ -347,6 +347,16 @@ user_update_from_keyfile (User     *user,
                 g_object_notify (G_OBJECT (user), "icon-file");
         }
 
+        if (g_key_file_has_key (keyfile, "User", "SystemAccount", NULL)) {
+            gboolean system_account;
+
+            system_account = g_key_file_get_boolean (keyfile, "User", "SystemAccount", NULL);
+            if (system_account != user->system_account) {
+                    user->system_account = system_account;
+                    g_object_notify (G_OBJECT (user), "system-account");
+            }
+        }
+
         g_object_thaw_notify (G_OBJECT (user));
 }