[glib] GCredentials: add a regression test

[Matthias Clasen <matthiasc src gnome org>]

commit 32bfd46c7b193de9eb6794d436f797c49b6a9f68
Author: Simon McVittie <simon mcvittie collabora co uk>
Date:   Thu Nov 8 14:08:44 2012 +0000

    GCredentials: add a regression test
    
    Bug: https://bugzilla.gnome.org/show_bug.cgi?id=687920

 gio/tests/Makefile.am   |    1 +
 gio/tests/credentials.c |  131 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 132 insertions(+), 0 deletions(-)
---
diff --git a/gio/tests/Makefile.am b/gio/tests/Makefile.am
index a87ef05..5ef0825 100644
--- a/gio/tests/Makefile.am
+++ b/gio/tests/Makefile.am
@@ -63,6 +63,7 @@ TEST_PROGS +=	 		\
 	inet-address		\
 	permission		\
 	task			\
+	credentials		\
 	$(NULL)
 
 if HAVE_DBUS_DAEMON
diff --git a/gio/tests/credentials.c b/gio/tests/credentials.c
new file mode 100644
index 0000000..e5154ad
--- /dev/null
+++ b/gio/tests/credentials.c
@@ -0,0 +1,131 @@
+/* GLib testing framework examples and tests
+ *
+ * Copyright  2012 Collabora Ltd.
+ *
+ * This work is provided "as is"; redistribution and modification
+ * in whole or in part, in any medium, physical or electronic is
+ * permitted without restriction.
+ *
+ * This work is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * In no event shall the authors or contributors be liable for any
+ * direct, indirect, incidental, special, exemplary, or consequential
+ * damages (including, but not limited to, procurement of substitute
+ * goods or services; loss of use, data, or profits; or business
+ * interruption) however caused and on any theory of liability, whether
+ * in contract, strict liability, or tort (including negligence or
+ * otherwise) arising in any way out of the use of this software, even
+ * if advised of the possibility of such damage.
+ */
+
+#include "config.h"
+
+#include <gio/gio.h>
+
+#ifdef G_OS_UNIX
+# include "gio/gnetworkingprivate.h"
+
+# if (defined(__linux__) || \
+  defined(__FreeBSD__) || \
+  defined(__FreeBSD_kernel__) || \
+  defined(__OpenBSD__))
+#   define SHOULD_HAVE_CREDENTIALS
+# endif
+#endif
+
+static void
+test_basic (void)
+{
+  GCredentials *creds = g_credentials_new ();
+  GCredentials *other = g_credentials_new ();
+#ifdef SHOULD_HAVE_CREDENTIALS
+  GError *error = NULL;
+  gboolean set;
+  pid_t not_me;
+  gchar *stringified;
+#endif
+
+  /* You can always get a credentials object, but it might not work. */
+  g_assert (creds != NULL);
+  g_assert (other != NULL);
+
+#ifdef SHOULD_HAVE_CREDENTIALS
+  g_assert (g_credentials_is_same_user (creds, other, &error));
+  g_assert_no_error (error);
+
+  if (geteuid () == 0)
+    not_me = 65534; /* traditionally 'nobody' */
+  else
+    not_me = 0;
+
+  g_assert_cmpuint (g_credentials_get_unix_user (creds, &error), ==,
+      geteuid ());
+  g_assert_no_error (error);
+  g_assert_cmpuint (g_credentials_get_unix_pid (creds, &error), ==,
+      getpid ());
+  g_assert_no_error (error);
+
+  set = g_credentials_set_unix_user (other, not_me, &error);
+  g_assert_no_error (error);
+  g_assert (set);
+
+  g_assert_cmpuint (g_credentials_get_unix_user (other, &error), ==, not_me);
+  g_assert_no_error (error);
+  g_assert_cmpuint (g_credentials_get_unix_pid (other, &error), ==, 1);
+  g_assert_no_error (error);
+
+  g_assert (!g_credentials_is_same_user (creds, other, &error));
+  g_assert_no_error (error);
+
+  stringified = g_credentials_to_string (creds);
+  g_test_message ("%s", stringified);
+  g_free (stringified);
+
+  stringified = g_credentials_to_string (other);
+  g_test_message ("%s", stringified);
+  g_free (stringified);
+
+#if defined(__linux__)
+        {
+          struct ucred *native = g_credentials_get_native (creds,
+              G_CREDENTIALS_TYPE_LINUX_UCRED);
+
+          g_assert_cmpuint (native->uid, ==, geteuid ());
+          g_assert_cmpuint (native->pid, ==, getpid ());
+        }
+#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+        {
+          struct cmsgcred *native = g_credentials_get_native (creds,
+              G_CREDENTIALS_TYPE_FREEBSD_CMSGCRED);
+
+          g_assert_cmpuint (native->cmcred_euid, ==, geteuid ());
+          g_assert_cmpuint (native->cmcred_pid, ==, getpid ());
+        }
+#elif defined(__OpenBSD__)
+        {
+          struct sockpeercred *native = g_credentials_get_native (creds,
+              G_CREDENTIALS_TYPE_OPENBSD_SOCKPEERCRED);
+
+          g_assert_cmpuint (native->uid, ==, geteuid ());
+          g_assert_cmpuint (native->pid, ==, getpid ());
+        }
+#endif
+
+#endif
+
+  g_object_unref (creds);
+  g_object_unref (other);
+}
+
+int
+main (int   argc,
+      char *argv[])
+{
+  g_test_init (&argc, &argv, NULL);
+
+  g_test_add_func ("/credentials/basic", test_basic);
+
+  return g_test_run();
+}