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/* Krb5 Auth Applet -- Acquire and release kerberos tickets
*
* (C) 2008,2009,2011 Guido Guenther <agx@sigxcpu.org>
*
* 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, 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 "ka-applet-priv.h"
#include "ka-dialog.h"
#include "ka-dbus.h"
static guint dbus_owner_id;
static GDBusConnection *dbus_connection;
static const char *dbus_object_path = "/org/gnome/KrbAuthDialog";
static const char *dbus_interface_name = "org.gnome.KrbAuthDialog";
static GDBusNodeInfo *introspection_data;
gboolean
ka_dbus_acquire_tgt (KaApplet *applet,
const gchar *principal)
{
gboolean success;
KA_DEBUG ("Getting TGT for '%s'", principal);
success = ka_check_credentials (applet, principal);
return success;
}
gboolean
ka_dbus_destroy_ccache (KaApplet *applet)
{
gboolean success;
KA_DEBUG ("Destroying ticket cache");
success = ka_destroy_ccache (applet);
return success;
}
static const gchar ka_dbus_introspection_xml[] =
"<node>"
" <interface name='org.gnome.KrbAuthDialog'>"
" <method name='acquireTgt'>"
" <arg type='s' name='principal' direction='in' />"
" <arg type='b' name='success' direction='out'/>"
" </method>"
" <method name='destroyCCache'>"
" <arg type='b' name='success' direction='out'/>"
" </method>"
" <signal name='krb_tgt_acquired'>"
" <arg type='s' name='principal' direction ='out'/>"
" <arg type='u' name='expiry' direction ='out'/>"
" </signal>"
" <signal name='krb_tgt_renewed'>"
" <arg type='s' name='principal' direction ='out'/>"
" <arg type='u' name='expiry' direction ='out'/>"
" </signal>"
" <signal name='krb_tgt_expired'>"
" <arg type='s' name='principal' direction ='out'/>"
" <arg type='u' name='expiry' direction ='out'/>"
" </signal>"
" </interface>"
"</node>";
static void
ka_dbus_handle_method_call (GDBusConnection *connection G_GNUC_UNUSED,
const gchar *sender G_GNUC_UNUSED,
const gchar *object_path G_GNUC_UNUSED,
const gchar *interface_name G_GNUC_UNUSED,
const gchar *method_name,
GVariant *parameters,
GDBusMethodInvocation *invocation,
gpointer user_data)
{
KaApplet *applet = user_data;
gboolean ret;
g_warn_if_fail (applet != NULL);
if (g_strcmp0 (method_name, "acquireTgt") == 0) {
const char *principal;
g_variant_get (parameters, "(s)", &principal);
ret = ka_dbus_acquire_tgt (applet, principal);
g_dbus_method_invocation_return_value (invocation,
g_variant_new("(b)", ret));
} else if (g_strcmp0 (method_name, "destroyCCache") == 0) {
ret = ka_dbus_destroy_ccache (applet);
g_dbus_method_invocation_return_value (invocation,
g_variant_new("(b)", ret));
}
}
static gchar* ka_dbus_signal_name (const gchar *name)
{
gchar *c;
gchar *signal_name = g_strdup(name);
/* The DBus signal names use underscores */
for (c = signal_name; *c != '\0'; c++ ) {
if (*c == '-')
*c = '_';
}
return signal_name;
}
/* Emit DBus signals */
static void
ka_dbus_signal_cb (gpointer *applet G_GNUC_UNUSED,
gchar *princ,
guint when, gpointer user_data)
{
GError *error = NULL;
gchar *signal_name;
signal_name = ka_dbus_signal_name(user_data);
if (!g_dbus_connection_emit_signal (dbus_connection,
NULL,
dbus_object_path,
dbus_interface_name,
signal_name,
g_variant_new ("(su)",
princ,
when),
&error)) {
g_warning ("Failed to emit DBus signal %s: %s",
signal_name,
error->message);
g_clear_error (&error);
}
g_free (signal_name);
}
static void
ka_dbus_connect_signals(KaApplet *applet)
{
int i;
for (i = 0; i < KA_SIGNAL_COUNT; i++) {
g_signal_connect (applet, ka_signal_names[i],
G_CALLBACK (ka_dbus_signal_cb),
(gpointer)ka_signal_names[i]);
}
}
static const GDBusInterfaceVTable interface_vtable =
{
.method_call = ka_dbus_handle_method_call,
};
static void
ka_dbus_on_name_acquired (GDBusConnection *connection,
const gchar *name G_GNUC_UNUSED,
gpointer user_data)
{
KaApplet *applet = user_data;
guint id;
introspection_data = g_dbus_node_info_new_for_xml (
ka_dbus_introspection_xml,
NULL);
id = g_dbus_connection_register_object (connection,
"/org/gnome/KrbAuthDialog",
introspection_data->interfaces[0],
&interface_vtable,
applet,
NULL, /* user_data_free_func */
NULL); /* GError** */
if (!id)
g_error ("Failed to regiester DBus object");
ka_dbus_connect_signals (applet);
dbus_connection = connection;
}
static void
ka_dbus_on_name_lost (GDBusConnection *connection G_GNUC_UNUSED,
const gchar *name G_GNUC_UNUSED,
gpointer user_data)
{
KaApplet *applet = user_data;
g_warning ("Cannot acquire DBUS name");
ka_applet_destroy (applet);
}
void
ka_dbus_disconnect ()
{
if (introspection_data) {
g_dbus_node_info_unref (introspection_data);
introspection_data = NULL;
}
if (dbus_owner_id) {
g_bus_unown_name (dbus_owner_id);
dbus_owner_id = 0;
}
dbus_connection = NULL;
}
gboolean
ka_dbus_connect (KaApplet *applet)
{
g_return_val_if_fail (applet != 0, FALSE);
dbus_owner_id = g_bus_own_name (G_BUS_TYPE_SESSION,
"org.gnome.KrbAuthDialog",
G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT,
NULL,
ka_dbus_on_name_acquired,
ka_dbus_on_name_lost,
applet,
NULL);
return TRUE;
}
/*
* vim:ts=4:sts=4:sw=4:et:
*/
|
