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/*
* Copyright (C) 2010 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, see <http://www.gnu.org/licenses/>.
*/
#include "ka-plugin-pam.h"
#include <gmodule.h>
#include <security/pam_appl.h>
G_DEFINE_TYPE (KaPluginPam, ka_plugin_pam, KA_TYPE_PLUGIN)
#define GET_PRIVATE(o) \
(G_TYPE_INSTANCE_GET_PRIVATE ((o), KA_TYPE_PLUGIN_PAM, KaPluginPamPrivate))
typedef struct _KaPluginPamPrivate KaPluginPamPrivate;
int ka_plugin_major_version = KA_PLUGIN_MAJOR_VERSION;
int ka_plugin_minor_version = KA_PLUGIN_MINOR_VERSION;
G_MODULE_EXPORT KaPlugin *
ka_plugin_create (void)
{
return KA_PLUGIN (ka_plugin_pam_new ());
}
struct _KaPluginPamPrivate {
gulong handlers[2];
};
static void
ka_plugin_pam_finalize (GObject *object)
{
G_OBJECT_CLASS (ka_plugin_pam_parent_class)->finalize (object);
}
static int
simple_conv (int n, const struct pam_message **msg, struct pam_response **resp,
void *data)
{
return (PAM_CONV_ERR);
}
static struct pam_conv simplepamconv = { simple_conv, NULL };
static void
renewed_event_cb (gpointer *applet, gchar *princ, guint when,
gpointer user_data)
{
const char *user;
pam_handle_t *pamh = NULL;
int retval = 0;
user = g_get_user_name ();
retval = pam_start ("ka-plugin-pam", user, &simplepamconv, &pamh);
if (retval)
goto out;
retval = pam_setcred (pamh, PAM_ESTABLISH_CRED);
if (retval)
goto out;
out:
if (retval)
g_warning ("PAM plugin: %s", pam_strerror (pamh, retval));
if (pamh)
pam_end (pamh, PAM_SUCCESS);
}
static void
ka_plugin_pam_activate (KaPlugin *self, KaApplet *applet)
{
KaPluginPamPrivate *priv = GET_PRIVATE (self);
priv->handlers[1] = g_signal_connect (applet,
"krb-tgt-acquired",
G_CALLBACK (renewed_event_cb), NULL);
priv->handlers[0] = g_signal_connect (applet,
"krb-tgt-renewed",
G_CALLBACK (renewed_event_cb), NULL);
}
static void
ka_plugin_pam_deactivate (KaPlugin *self, KaApplet *applet)
{
KaPluginPamPrivate *priv = GET_PRIVATE (self);
g_signal_handler_disconnect (applet, priv->handlers[0]);
g_signal_handler_disconnect (applet, priv->handlers[1]);
}
static void
ka_plugin_pam_class_init (KaPluginPamClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
KaPluginClass *plugin_class = KA_PLUGIN_CLASS (klass);
g_type_class_add_private (klass, sizeof (KaPluginPamPrivate));
plugin_class->activate = ka_plugin_pam_activate;
plugin_class->deactivate = ka_plugin_pam_deactivate;
object_class->finalize = ka_plugin_pam_finalize;
}
static void
ka_plugin_pam_init (KaPluginPam *self)
{
}
KaPluginPam *
ka_plugin_pam_new (void)
{
return g_object_new (KA_TYPE_PLUGIN_PAM, KA_PLUGIN_PROP_NAME, "pam", NULL);
}
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