Adding upstream version 3.38.2.1.upstream/3.38.2.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 185 insertions, 0 deletions

diff --git a/daemon/gdm-dbus-util.c b/daemon/gdm-dbus-util.c
new file mode 100644
index 0000000..b71da7f
--- /dev/null
+++ b/daemon/gdm-dbus-util.c
@@ -0,0 +1,185 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2012 Giovanni Campagna <scampa.giovanni@gmail.com>
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "gdm-dbus-util.h"
+#include <string.h>
+
+#include <glib/gstdio.h>
+#include <gio/gunixsocketaddress.h>
+
+/* a subset of org.freedesktop.DBus interface, to be used by internal servers */
+static const char *dbus_introspection =
+"<node name=\"/org/freedesktop/DBus\">"
+"  <interface name=\"org.freedesktop.DBus\">"
+"    <method name=\"AddMatch\">"
+"      <arg name=\"match_rule\" type=\"s\" direction=\"in\" />"
+"    </method>"
+"  </interface>"
+"</node>";
+
+static void
+handle_bus_method (GDBusConnection       *connection,
+                   const char            *sender,
+                   const char            *object_path,
+                   const char            *interface_name,
+                   const char            *method_name,
+                   GVariant              *parameters,
+                   GDBusMethodInvocation *invocation,
+                   gpointer               user_data)
+{
+        g_dbus_method_invocation_return_value (invocation, NULL);
+}
+
+static gboolean
+handle_connection (GDBusServer      *server,
+                   GDBusConnection  *new_connection,
+                   gpointer          user_data)
+{
+        GDBusInterfaceVTable bus_vtable = { handle_bus_method };
+        GDBusNodeInfo *bus_info;
+
+        bus_info = g_dbus_node_info_new_for_xml (dbus_introspection,
+                                                 NULL);
+
+        g_debug ("GdmDBusServer: new connection %p", new_connection);
+
+        g_dbus_connection_register_object (new_connection,
+                                           "/org/freedesktop/DBus",
+                                           bus_info->interfaces[0],
+                                           &bus_vtable,
+                                           NULL, NULL, NULL);
+        g_dbus_node_info_unref (bus_info);
+
+        /* We're not handling the signal */
+        return FALSE;
+}
+
+GDBusServer *
+gdm_dbus_setup_private_server (GDBusAuthObserver  *observer,
+                               GError            **error)
+{
+        char *guid;
+        const char *client_address;
+        GDBusServer *server;
+
+        guid = g_dbus_generate_guid ();
+
+        server = g_dbus_server_new_sync ("unix:tmpdir=/tmp",
+                                         G_DBUS_SERVER_FLAGS_NONE,
+                                         guid,
+                                         observer,
+                                         NULL,
+                                         error);
+
+        client_address = g_dbus_server_get_client_address (server);
+
+        if (g_str_has_prefix (client_address, "unix:path=")) {
+                client_address += strlen("unix:path=");
+                g_chmod (client_address, 0666);
+        }
+
+        g_signal_connect (server, "new-connection",
+                          G_CALLBACK (handle_connection),
+                          NULL);
+
+        g_free (guid);
+
+        return server;
+}
+
+gboolean
+gdm_dbus_get_pid_for_name (const char  *system_bus_name,
+                           pid_t       *out_pid,
+                           GError     **error)
+{
+        GDBusConnection *bus;
+        GVariant *reply;
+        gboolean retval = FALSE;
+        unsigned int v;
+
+        bus = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, error);
+        if (bus == NULL) {
+                return FALSE;
+        }
+
+        reply = g_dbus_connection_call_sync (bus,
+                                             "org.freedesktop.DBus",
+                                             "/org/freedesktop/DBus",
+                                             "org.freedesktop.DBus",
+                                             "GetConnectionUnixProcessID",
+                                             g_variant_new ("(s)", system_bus_name),
+                                             G_VARIANT_TYPE ("(u)"),
+                                             G_DBUS_CALL_FLAGS_NONE,
+                                             -1,
+                                             NULL, error);
+        if (reply == NULL) {
+                goto out;
+        }
+
+        g_variant_get (reply, "(u)", &v);
+        *out_pid = v;
+        g_variant_unref (reply);
+
+        retval = TRUE;
+ out:
+        g_object_unref (bus);
+
+        return retval;
+}
+
+gboolean
+gdm_dbus_get_uid_for_name (const char  *system_bus_name,
+                           uid_t       *out_uid,
+                           GError     **error)
+{
+        GDBusConnection *bus;
+        GVariant *reply;
+        gboolean retval = FALSE;
+        unsigned int v;
+
+        bus = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, error);
+        if (bus == NULL) {
+                return FALSE;
+        }
+
+        reply = g_dbus_connection_call_sync (bus,
+                                             "org.freedesktop.DBus",
+                                             "/org/freedesktop/DBus",
+                                             "org.freedesktop.DBus",
+                                             "GetConnectionUnixUser",
+                                             g_variant_new ("(s)", system_bus_name),
+                                             G_VARIANT_TYPE ("(u)"),
+                                             G_DBUS_CALL_FLAGS_NONE,
+                                             -1,
+                                             NULL, error);
+        if (reply == NULL) {
+                goto out;
+        }
+
+        g_variant_get (reply, "(u)", &v);
+        *out_uid = v;
+        g_variant_unref (reply);
+
+        retval = TRUE;
+ out:
+        g_object_unref (bus);
+
+        return retval;
+}