[gdm/wip/slave-connection: 27/29] wip: daemon: add greeter test program

[Ray Strode <halfline src gnome org>]

commit 7384ab161a9f7668b9268715f142a8c41f0e9d6d
Author: Giovanni Campagna <gcampagna src gnome org>
Date:   Mon Jul 9 14:26:17 2012 -0400

    wip: daemon: add greeter test program
    
    This commit adds a small test program that excerises
    the new interface for connecting to GDM.

 daemon/Makefile.am             |   16 +++
 daemon/test-external-greeter.c |  261 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 277 insertions(+), 0 deletions(-)
---
diff --git a/daemon/Makefile.am b/daemon/Makefile.am
index 3a23a35..7251ea4 100644
--- a/daemon/Makefile.am
+++ b/daemon/Makefile.am
@@ -106,6 +106,22 @@ gdm-xdmcp-chooser-slave-glue.c gdm-xdmcp-chooser-slave-glue.h: gdm-xdmcp-chooser
 
 noinst_PROGRAMS = 		\
 	test-session		\
+	test-external-greeter	\
+	$(NULL)
+
+test_external_greeter_SOURCES = \
+	test-external-greeter.c	\
+	$(NULL)
+
+nodist_test_external_greeter_SOURCES =	\
+	gdm-display-glue.h		\
+	gdm-display-glue.c		\
+	gdm-greeter-glue.h		\
+	gdm-greeter-glue.c		\
+	$(NULL)
+
+test_external_greeter_LDADD =	\
+	$(DAEMON_LIBS)		\
 	$(NULL)
 
 test_session_SOURCES = 		\
diff --git a/daemon/test-external-greeter.c b/daemon/test-external-greeter.c
new file mode 100644
index 0000000..a3b6030
--- /dev/null
+++ b/daemon/test-external-greeter.c
@@ -0,0 +1,261 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ *
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <termios.h>
+
+#include <glib.h>
+
+#include "gdm-display-glue.h"
+#include "gdm-greeter-glue.h"
+
+static GMainLoop *loop;
+
+static void
+on_ready (GdmDBusGreeterServer *greeter,
+          const char           *service_name)
+{
+        GError *error;
+        gboolean ok;
+
+        error = NULL;
+        ok = gdm_dbus_greeter_server_call_begin_verification_for_user_sync (greeter,
+                                                                            service_name,
+                                                                            g_get_user_name (),
+                                                                            NULL, &error);
+        if (!ok) {
+                g_critical ("Failed to start PAM session: %s", error->message);
+                exit (1);
+        }
+}
+
+static void
+on_conversation_stopped (GdmDBusGreeterServer *greeter,
+                         const char           *service_name)
+{
+        g_print ("\n** WARNING: conversation stopped\n");
+
+        g_main_loop_quit (loop);
+}
+
+static void
+on_reset (GdmDBusGreeterServer *greeter)
+{
+        g_print ("\n** NOTE: reset\n");
+
+        g_main_loop_quit (loop);
+}
+
+static void
+on_session_opened (GdmDBusGreeterServer *greeter,
+                   const char           *service_name)
+{
+        g_print ("\n** INFO: session opened (authentication OK)\n");
+
+        g_main_loop_quit (loop);
+}
+
+static void
+on_info_query (GdmDBusGreeterServer *greeter,
+               const char           *service_name,
+               const char           *query_text)
+{
+        char  answer[1024];
+        char *res;
+
+        g_print ("%s ", query_text);
+
+        answer[0] = '\0';
+        res = fgets (answer, sizeof (answer), stdin);
+        if (res == NULL) {
+                g_warning ("Couldn't get an answer");
+        }
+
+        answer[strlen (answer) - 1] = '\0';
+
+        if (answer[0] == '\0') {
+                gdm_dbus_greeter_server_call_cancel_sync (greeter,
+                                                   NULL, NULL);
+                g_main_loop_quit (loop);
+        } else {
+                gdm_dbus_greeter_server_call_answer_query_sync (greeter,
+                                                                service_name,
+                                                                answer,
+                                                                NULL, NULL);
+        }
+}
+
+static void
+on_info (GdmDBusGreeterServer *greeter,
+         const char           *service_name,
+         const char           *info)
+{
+        g_print ("\n** NOTE: %s\n", info);
+}
+
+static void
+on_problem (GdmDBusGreeterServer *greeter,
+            const char           *service_name,
+            const char           *problem)
+{
+        g_print ("\n** WARNING: %s\n", problem);
+}
+
+static void
+on_secret_info_query (GdmDBusGreeterServer *greeter,
+                      const char           *service_name,
+                      const char           *query_text)
+{
+        char           answer[1024];
+        char          *res;
+        struct termios ts0;
+        struct termios ts1;
+
+        tcgetattr (fileno (stdin), &ts0);
+        ts1 = ts0;
+        ts1.c_lflag &= ~ECHO;
+
+        g_print ("%s", query_text);
+
+        if (tcsetattr (fileno (stdin), TCSAFLUSH, &ts1) != 0) {
+                fprintf (stderr, "Could not set terminal attributes\n");
+                exit (1);
+        }
+
+        answer[0] = '\0';
+        res = fgets (answer, sizeof (answer), stdin);
+        answer[strlen (answer) - 1] = '\0';
+        if (res == NULL) {
+                g_warning ("Couldn't get an answer");
+        }
+
+        tcsetattr (fileno (stdin), TCSANOW, &ts0);
+
+        g_print ("\n");
+
+        gdm_dbus_greeter_server_call_answer_query_sync (greeter, service_name, answer,
+                                                        NULL, NULL);
+}
+
+int
+main (int   argc,
+      char *argv[])
+{
+        GError *error;
+        GdmDBusDisplay *display;
+        GdmDBusGreeterServer *greeter;
+        GDBusConnection *system_bus;
+        GDBusConnection *connection;
+        char *address;
+        char *display_name;
+        char *display_id;
+        gboolean ok;
+
+        g_type_init ();
+
+        g_debug ("creating instance of GdmDBusDisplay object...");
+
+        error = NULL;
+        system_bus = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, &error);
+        if (!system_bus) {
+                g_critical ("Failed connecting to the system bus (this is pretty bad): %s", error->message);
+                exit (1);
+        }
+
+        display_name = g_strdelimit (g_strdup (g_getenv ("DISPLAY")),
+                                     ":" G_STR_DELIMITERS, '_');
+        display_id = g_strdup_printf ("/org/gnome/DisplayManager/Displays/%s", display_name);
+
+        display = GDM_DBUS_DISPLAY (gdm_dbus_display_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
+                                                                             G_DBUS_PROXY_FLAGS_NONE,
+                                                                             "org.gnome.DisplayManager",
+                                                                             display_id,
+                                                                             NULL, &error));
+        if (!display) {
+                g_critical ("Failed creating display proxy: %s", error->message);
+                exit (1);
+        }
+
+        g_free (display_name);
+        g_free (display_id);
+
+        address = NULL;
+        gdm_dbus_display_call_connect_to_slave_sync (display,
+                                                     &address,
+                                                     NULL, &error);
+        if (!address) {
+                g_critical ("Failed obtaining slave address: %s", error->message);
+                exit (1);
+        }
+
+        connection = g_dbus_connection_new_for_address_sync (address,
+                                                             G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
+                                                             NULL,
+                                                             NULL, &error);
+        if (!connection) {
+                g_critical ("Failed connecting to the slave: %s", error->message);
+                exit (1);
+        }
+
+        greeter = GDM_DBUS_GREETER_SERVER (gdm_dbus_greeter_server_proxy_new_sync (connection,
+                                                                                   G_DBUS_PROXY_FLAGS_NONE,
+                                                                                   NULL,
+                                                                                   "/org/gnome/DisplayManager/GreeterServer",
+                                                                                   NULL, &error));
+        if (!greeter) {
+                g_critical ("Failed creating greeter proxy: %s", error->message);
+                exit (1);
+        }
+
+        g_signal_connect (greeter, "ready",
+                          G_CALLBACK (on_ready), NULL);
+        g_signal_connect (greeter, "info",
+                          G_CALLBACK (on_info), NULL);
+        g_signal_connect (greeter, "problem",
+                          G_CALLBACK (on_problem), NULL);
+        g_signal_connect (greeter, "info-query",
+                          G_CALLBACK (on_info_query), NULL);
+        g_signal_connect (greeter, "secret-info-query",
+                          G_CALLBACK (on_secret_info_query), NULL);
+        g_signal_connect (greeter, "conversation-stopped",
+                          G_CALLBACK (on_conversation_stopped), NULL);
+        g_signal_connect (greeter, "session-opened",
+                          G_CALLBACK (on_session_opened), NULL);
+        g_signal_connect (greeter, "reset",
+                          G_CALLBACK (on_reset), NULL);
+
+        ok = gdm_dbus_greeter_server_call_start_conversation_sync (greeter,
+                                                                   "gdm-password",
+                                                                   NULL, &error);
+        if (!ok) {
+                g_critical ("Failed to start conversation: %s", error->message);
+                exit (1);
+        }
+
+        loop = g_main_loop_new (NULL, FALSE);
+        g_main_loop_run (loop);
+
+        return 0;
+}