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/*
*
* Connection Manager
*
* Copyright (C) 2007-2009 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <errno.h>
#include <glib.h>
#include <polkit-dbus/polkit-dbus.h>
#define CONNMAN_API_SUBJECT_TO_CHANGE
#include <connman/plugin.h>
#include <connman/security.h>
#include <connman/dbus.h>
#include <connman/log.h>
#define ACTION_MODIFY "org.moblin.connman.modify"
#define ACTION_SECRET "org.moblin.connman.secret"
static DBusConnection *connection;
static PolKitContext *polkit_context;
static int polkit_authorize(const char *sender,
enum connman_security_privilege privilege)
{
DBusError error;
PolKitCaller *caller;
PolKitAction *action;
PolKitResult result;
const char *id = NULL;
DBG("sender %s", sender);
switch (privilege) {
case CONNMAN_SECURITY_PRIVILEGE_PUBLIC:
return 0;
case CONNMAN_SECURITY_PRIVILEGE_MODIFY:
id = ACTION_MODIFY;
break;
case CONNMAN_SECURITY_PRIVILEGE_SECRET:
id = ACTION_SECRET;
break;
}
dbus_error_init(&error);
caller = polkit_caller_new_from_dbus_name(connection, sender, &error);
if (caller == NULL) {
if (dbus_error_is_set(&error) == TRUE) {
connman_error("%s", error.message);
dbus_error_free(&error);
} else
connman_error("Failed to get caller information");
return -EIO;
}
action = polkit_action_new();
polkit_action_set_action_id(action, id);
result = polkit_context_is_caller_authorized(polkit_context,
action, caller, TRUE, NULL);
polkit_action_unref(action);
polkit_caller_unref(caller);
DBG("result %s", polkit_result_to_string_representation(result));
if (result == POLKIT_RESULT_NO)
return -EPERM;
return 0;
}
static struct connman_security polkit_security = {
.name = "polkit",
.authorize_sender = polkit_authorize,
};
static gboolean watch_event(GIOChannel *channel, GIOCondition condition,
gpointer user_data)
{
PolKitContext *context = user_data;
int fd;
DBG("context %p", context);
fd = g_io_channel_unix_get_fd(channel);
polkit_context_io_func(context, fd);
return TRUE;
}
static int add_watch(PolKitContext *context, int fd)
{
GIOChannel *channel;
guint id = 0;
DBG("context %p", context);
channel = g_io_channel_unix_new(fd);
if (channel == NULL)
return 0;
id = g_io_add_watch(channel, G_IO_IN, watch_event, context);
g_io_channel_unref(channel);
return id;
}
static void remove_watch(PolKitContext *context, int id)
{
DBG("context %p", context);
g_source_remove(id);
}
static int polkit_init(void)
{
int err;
connection = connman_dbus_get_connection();
if (connection == NULL)
return -EIO;
polkit_context = polkit_context_new();
polkit_context_set_io_watch_functions(polkit_context,
add_watch, remove_watch);
if (polkit_context_init(polkit_context, NULL) == FALSE) {
connman_error("Can't initialize PolicyKit");
polkit_context_unref(polkit_context);
dbus_connection_unref(connection);
return -EIO;
}
err = connman_security_register(&polkit_security);
if (err < 0) {
polkit_context_unref(polkit_context);
dbus_connection_unref(connection);
return err;
}
return 0;
}
static void polkit_exit(void)
{
connman_security_unregister(&polkit_security);
polkit_context_unref(polkit_context);
dbus_connection_unref(connection);
}
CONNMAN_PLUGIN_DEFINE(polkit, "PolicyKit authorization plugin", VERSION,
CONNMAN_PLUGIN_PRIORITY_DEFAULT, polkit_init, polkit_exit)
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