*
* Connection Manager
*
- * Copyright (C) 2007-2010 Intel Corporation. All rights reserved.
+ * Copyright (C) 2007-2012 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
#include <config.h>
#endif
+#define _GNU_SOURCE
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <linux/if_tun.h>
#include <net/if.h>
-#include <dbus.h>
+#include <dbus/dbus.h>
-#include <glib/ghash.h>
#include <glib/gprintf.h>
#include <connman/provider.h>
GHashTable *driver_hash = NULL;
-static int kill_tun(char *tun_name)
+static int stop_vpn(struct connman_provider *provider)
{
+ struct vpn_data *data = connman_provider_get_data(provider);
+ struct vpn_driver_data *vpn_driver_data;
+ const char *name;
struct ifreq ifr;
int fd, err;
+ if (data == NULL)
+ return -EINVAL;
+
+ name = connman_provider_get_driver_name(provider);
+ if (name == NULL)
+ return -EINVAL;
+
+ vpn_driver_data = g_hash_table_lookup(driver_hash, name);
+
+ if (vpn_driver_data != NULL && vpn_driver_data->vpn_driver != NULL &&
+ vpn_driver_data->vpn_driver->flags == VPN_FLAG_NO_TUN)
+ return 0;
+
memset(&ifr, 0, sizeof(ifr));
ifr.ifr_flags = IFF_TUN | IFF_NO_PI;
- sprintf(ifr.ifr_name, "%s", tun_name);
+ sprintf(ifr.ifr_name, "%s", data->if_name);
- fd = open("/dev/net/tun", O_RDWR);
+ fd = open("/dev/net/tun", O_RDWR | O_CLOEXEC);
if (fd < 0) {
err = -errno;
connman_error("Failed to open /dev/net/tun to device %s: %s",
- tun_name, strerror(errno));
+ data->if_name, strerror(errno));
return err;
}
if (ioctl(fd, TUNSETIFF, (void *)&ifr)) {
err = -errno;
connman_error("Failed to TUNSETIFF for device %s to it: %s",
- tun_name, strerror(errno));
+ data->if_name, strerror(errno));
close(fd);
return err;
}
if (ioctl(fd, TUNSETPERSIST, 0)) {
err = -errno;
connman_error("Failed to set tun device %s nonpersistent: %s",
- tun_name, strerror(errno));
+ data->if_name, strerror(errno));
close(fd);
return err;
}
close(fd);
- DBG("Killed tun device %s", tun_name);
+ DBG("Killed tun device %s", data->if_name);
return 0;
}
-void vpn_died(struct connman_task *task, void *user_data)
+void vpn_died(struct connman_task *task, int exit_code, void *user_data)
{
struct connman_provider *provider = user_data;
struct vpn_data *data = connman_provider_get_data(provider);
- int state = data->state;
+ int state = VPN_STATE_FAILURE;
+ enum connman_provider_error ret;
DBG("provider %p data %p", provider, data);
- if (!data)
+ if (data == NULL)
goto vpn_exit;
- kill_tun(data->if_name);
+ state = data->state;
+
+ stop_vpn(provider);
connman_provider_set_data(provider, NULL);
- connman_rtnl_remove_watch(data->watch);
+
+ if (data->watch != 0) {
+ connman_provider_unref(provider);
+ connman_rtnl_remove_watch(data->watch);
+ data->watch = 0;
+ }
vpn_exit:
- if (state != VPN_STATE_READY && state != VPN_STATE_DISCONNECT)
- connman_provider_set_state(provider,
- CONNMAN_PROVIDER_STATE_FAILURE);
- else
+ if (state != VPN_STATE_READY && state != VPN_STATE_DISCONNECT) {
+ const char *name;
+ struct vpn_driver_data *vpn_data = NULL;
+
+ name = connman_provider_get_driver_name(provider);
+ if (name != NULL)
+ vpn_data = g_hash_table_lookup(driver_hash, name);
+
+ if (vpn_data != NULL &&
+ vpn_data->vpn_driver->error_code != NULL)
+ ret = vpn_data->vpn_driver->error_code(exit_code);
+ else
+ ret = CONNMAN_PROVIDER_ERROR_UNKNOWN;
+
+ connman_provider_indicate_error(provider, ret);
+ } else
connman_provider_set_state(provider,
CONNMAN_PROVIDER_STATE_IDLE);
connman_provider_set_index(provider, -1);
- connman_provider_unref(data->provider);
- g_free(data);
+
+ if (data != NULL) {
+ connman_provider_unref(data->provider);
+ g_free(data->if_name);
+ g_free(data);
+ }
connman_task_destroy(task);
}
+int vpn_set_ifname(struct connman_provider *provider, const char *ifname)
+{
+ struct vpn_data *data = connman_provider_get_data(provider);
+ int index;
+
+ if (ifname == NULL || data == NULL)
+ return -EIO;
+
+ index = connman_inet_ifindex(ifname);
+ if (index < 0)
+ return -EIO;
+
+ if (data->if_name != NULL)
+ g_free(data->if_name);
+
+ data->if_name = (char *)g_strdup(ifname);
+ connman_provider_set_index(provider, index);
+
+ return 0;
+}
+
static void vpn_newlink(unsigned flags, unsigned change, void *user_data)
{
struct connman_provider *provider = user_data;
data->flags = flags;
}
-static void vpn_notify(struct connman_task *task,
+static DBusMessage *vpn_notify(struct connman_task *task,
DBusMessage *msg, void *user_data)
{
struct connman_provider *provider = user_data;
data = connman_provider_get_data(provider);
name = connman_provider_get_driver_name(provider);
+ if (name == NULL)
+ return NULL;
+
vpn_driver_data = g_hash_table_lookup(driver_hash, name);
if (vpn_driver_data == NULL)
- return;
+ return NULL;
state = vpn_driver_data->vpn_driver->notify(msg, provider);
switch (state) {
case VPN_STATE_CONNECT:
case VPN_STATE_READY:
index = connman_provider_get_index(provider);
+ connman_provider_ref(provider);
data->watch = connman_rtnl_add_newlink_watch(index,
vpn_newlink, provider);
connman_inet_ifup(index);
connman_provider_set_state(provider,
CONNMAN_PROVIDER_STATE_DISCONNECT);
break;
+
+ case VPN_STATE_AUTH_FAILURE:
+ connman_provider_indicate_error(provider,
+ CONNMAN_PROVIDER_ERROR_AUTH_FAILED);
+ break;
}
+
+ return NULL;
}
-static int vpn_connect(struct connman_provider *provider)
+static int vpn_create_tun(struct connman_provider *provider)
{
struct vpn_data *data = connman_provider_get_data(provider);
- struct vpn_driver_data *vpn_driver_data;
struct ifreq ifr;
- const char *name;
int i, fd, index;
int ret = 0;
- if (data != NULL)
- return -EISCONN;
-
- data = g_try_new0(struct vpn_data, 1);
if (data == NULL)
- return -ENOMEM;
-
- data->provider = connman_provider_ref(provider);
- data->watch = 0;
- data->flags = 0;
- data->task = NULL;
- data->state = VPN_STATE_IDLE;
-
- connman_provider_set_data(provider, data);
-
- name = connman_provider_get_driver_name(provider);
- vpn_driver_data = g_hash_table_lookup(driver_hash, name);
+ return -EISCONN;
- fd = open("/dev/net/tun", O_RDWR);
+ fd = open("/dev/net/tun", O_RDWR | O_CLOEXEC);
if (fd < 0) {
i = -errno;
connman_error("Failed to open /dev/net/tun: %s",
}
data->if_name = (char *)g_strdup(ifr.ifr_name);
- if (!data->if_name) {
+ if (data->if_name == NULL) {
+ connman_error("Failed to allocate memory");
+ close(fd);
ret = -ENOMEM;
goto exist_err;
}
index = connman_inet_ifindex(data->if_name);
if (index < 0) {
connman_error("Failed to get tun ifindex");
- kill_tun(data->if_name);
+ stop_vpn(provider);
ret = -EIO;
goto exist_err;
}
connman_provider_set_index(provider, index);
+ return 0;
+
+exist_err:
+ return ret;
+}
+
+static int vpn_connect(struct connman_provider *provider)
+{
+ struct vpn_data *data = connman_provider_get_data(provider);
+ struct vpn_driver_data *vpn_driver_data;
+ const char *name;
+ int ret = 0;
+
+ if (data != NULL)
+ return -EISCONN;
+
+ data = g_try_new0(struct vpn_data, 1);
+ if (data == NULL)
+ return -ENOMEM;
+
+ data->provider = connman_provider_ref(provider);
+ data->watch = 0;
+ data->flags = 0;
+ data->task = NULL;
+ data->state = VPN_STATE_IDLE;
+
+ connman_provider_set_data(provider, data);
+
+ name = connman_provider_get_driver_name(provider);
+ if (name == NULL)
+ return -EINVAL;
+
+ vpn_driver_data = g_hash_table_lookup(driver_hash, name);
+
+ if (vpn_driver_data == NULL || vpn_driver_data->vpn_driver == NULL) {
+ ret = -EINVAL;
+ goto exist_err;
+ }
+
+ if (vpn_driver_data->vpn_driver->flags != VPN_FLAG_NO_TUN) {
+ ret = vpn_create_tun(provider);
+ if (ret < 0)
+ goto exist_err;
+ }
+
data->task = connman_task_create(vpn_driver_data->program);
if (data->task == NULL) {
ret = -ENOMEM;
- kill_tun(data->if_name);
+ stop_vpn(provider);
goto exist_err;
}
if (connman_task_set_notify(data->task, "notify",
vpn_notify, provider)) {
ret = -ENOMEM;
- kill_tun(data->if_name);
+ stop_vpn(provider);
connman_task_destroy(data->task);
data->task = NULL;
goto exist_err;
ret = vpn_driver_data->vpn_driver->connect(provider, data->task,
data->if_name);
if (ret < 0) {
- kill_tun(data->if_name);
+ stop_vpn(provider);
connman_task_destroy(data->task);
data->task = NULL;
goto exist_err;
connman_provider_set_index(provider, -1);
connman_provider_set_data(provider, NULL);
connman_provider_unref(data->provider);
+ g_free(data->if_name);
g_free(data);
return ret;
return 0;
name = connman_provider_get_driver_name(provider);
+ if (name == NULL)
+ return 0;
+
vpn_driver_data = g_hash_table_lookup(driver_hash, name);
if (vpn_driver_data->vpn_driver->disconnect)
vpn_driver_data->vpn_driver->disconnect();
- if (data->watch != 0)
+ if (data->watch != 0) {
+ connman_provider_unref(provider);
connman_rtnl_remove_watch(data->watch);
+ data->watch = 0;
+ }
- data->watch = 0;
data->state = VPN_STATE_DISCONNECT;
connman_task_stop(data->task);
struct vpn_data *data;
data = connman_provider_get_data(provider);
- connman_provider_set_data(provider, NULL);
if (data == NULL)
return 0;
- if (data->watch != 0)
+ if (data->watch != 0) {
+ connman_provider_unref(provider);
connman_rtnl_remove_watch(data->watch);
- data->watch = 0;
+ data->watch = 0;
+ }
+
connman_task_stop(data->task);
g_usleep(G_USEC_PER_SEC);
- kill_tun(data->if_name);
+ stop_vpn(provider);
+ return 0;
+}
+
+static int vpn_save (struct connman_provider *provider, GKeyFile *keyfile)
+{
+ struct vpn_driver_data *vpn_driver_data;
+ const char *name;
+
+ name = connman_provider_get_driver_name(provider);
+ vpn_driver_data = g_hash_table_lookup(driver_hash, name);
+ if (vpn_driver_data != NULL &&
+ vpn_driver_data->vpn_driver->save != NULL)
+ return vpn_driver_data->vpn_driver->save(provider, keyfile);
+
return 0;
}
data->provider_driver.connect = vpn_connect;
data->provider_driver.probe = vpn_probe;
data->provider_driver.remove = vpn_remove;
+ data->provider_driver.save = vpn_save;
- if (driver_hash == NULL) {
+ if (driver_hash == NULL)
driver_hash = g_hash_table_new_full(g_str_hash,
g_str_equal,
NULL, g_free);
+
+ if (driver_hash == NULL) {
+ connman_error("driver_hash not initialized for %s", name);
+ g_free(data);
+ return -ENOMEM;
}
- g_hash_table_insert(driver_hash, (char *)name, data);
+ g_hash_table_replace(driver_hash, (char *)name, data);
connman_provider_driver_register(&data->provider_driver);
projects / framework / connectivity / connman.git / blobdiff