[glib: 6/7] gdbusdaemon: Only authorize anonymous users on Windows, not Unix

[Philip Withnall <pwithnall src gnome org>]

commit 11233f572df8f93e36d1115bc489b72f287cac53
Author: Simon McVittie <smcv collabora com>
Date:   Wed Jun 5 15:00:29 2019 +0100

    gdbusdaemon: Only authorize anonymous users on Windows, not Unix
    
    On Unix, we expect EXTERNAL authentication to work.
    
    Signed-off-by: Simon McVittie <smcv collabora com>

 gio/gdbusdaemon.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)
---
diff --git a/gio/gdbusdaemon.c b/gio/gdbusdaemon.c
index a9b626215..eb628398d 100644
--- a/gio/gdbusdaemon.c
+++ b/gio/gdbusdaemon.c
@@ -1539,7 +1539,7 @@ on_authorize_authenticated_peer (GDBusAuthObserver *observer,
                                 GCredentials      *credentials,
                                 gpointer           user_data)
 {
-  gboolean authorized = TRUE;
+  gboolean authorized = FALSE;
 
   if (credentials != NULL)
     {
@@ -1549,6 +1549,14 @@ on_authorize_authenticated_peer (GDBusAuthObserver *observer,
       authorized = g_credentials_is_same_user (credentials, own_credentials, NULL);
       g_object_unref (own_credentials);
     }
+#ifdef G_OS_WIN32
+  else
+    {
+      /* We allow ANONYMOUS authentication on Windows for now, in
+       * combination with the nonce-tcp transport. */
+      authorized = TRUE;
+    }
+#endif
 
   return authorized;
 }