From 39ba753275ece8d65075c32cf34272bcfe4d6e0f Mon Sep 17 00:00:00 2001
From: Simon McVittie <smcv@collabora.com>
Date: Thu, 6 Jul 2017 15:58:48 +0100
Subject: [PATCH] test-utils-glib: Add function to connect with GDBus as
 another uid

This will be used in a test for connecting to container servers
as the wrong uid.

Signed-off-by: Simon McVittie <smcv@collabora.com>

https://bugs.freedesktop.org/show_bug.cgi?id=101354
---
 test/test-utils-glib.c | 27 +++++++++++++++++++++++++++
 test/test-utils-glib.h |  4 ++++
 2 files changed, 31 insertions(+)

diff --git a/test/test-utils-glib.c b/test/test-utils-glib.c
index b5352056..2eb2b6f6 100644
--- a/test/test-utils-glib.c
+++ b/test/test-utils-glib.c
@@ -445,6 +445,33 @@ test_connect_to_bus_as_user (TestMainContext *ctx,
   return conn;
 }
 
+/*
+ * Raise G_IO_ERROR_NOT_SUPPORTED if the requested user is impossible.
+ */
+GDBusConnection *
+test_try_connect_gdbus_as_user (const char *address,
+                                TestUser user,
+                                GError **error)
+{
+  GDBusConnection *conn;
+
+  if (user != TEST_USER_ME && !become_other_user (user))
+    {
+      g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "Test skipped");
+      return NULL;
+    }
+
+  conn = g_dbus_connection_new_for_address_sync (address,
+      (G_DBUS_CONNECTION_FLAGS_MESSAGE_BUS_CONNECTION |
+       G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT),
+      NULL, NULL, error);
+
+  if (user != TEST_USER_ME)
+    back_to_root ();
+
+  return conn;
+}
+
 static void
 pid_died (GPid pid,
           gint status,
diff --git a/test/test-utils-glib.h b/test/test-utils-glib.h
index 52d66b91..85b09492 100644
--- a/test/test-utils-glib.h
+++ b/test/test-utils-glib.h
@@ -29,6 +29,7 @@
 
 #include <dbus/dbus.h>
 
+#include <gio/gio.h>
 #include <glib.h>
 
 #include "test-utils.h"
@@ -77,6 +78,9 @@ DBusConnection *test_connect_to_bus (TestMainContext *ctx,
 DBusConnection *test_connect_to_bus_as_user (TestMainContext *ctx,
     const char *address,
     TestUser user);
+GDBusConnection *test_try_connect_gdbus_as_user (const char *address,
+                                                 TestUser user,
+                                                 GError **error);
 
 void test_kill_pid (GPid pid);
 
-- 
2.13.3