static void request_input_cb(struct vpn_provider *provider,
const char *username,
const char *password,
const char *error, void *user_data)
{
struct l2tp_private_data *data = user_data;
if (!username || !password)
DBG("Requesting username %s or password failed, error %s",
username, error);
else if (error)
DBG("error %s", error);
vpn_provider_set_string(provider, "L2TP.User", username);
vpn_provider_set_string_hide_value(provider, "L2TP.Password",
password);
run_connect(provider, data->task, data->if_name, data->cb,
data->user_data, username, password);
free_private_data(data);
}
static void l2tp_disconnect(struct vpn_provider *provider)
{
vpn_provider_set_string(provider, "L2TP.Password", NULL);
}
static int l2tp_notify(DBusMessage *msg, struct vpn_provider *provider)
{
DBusMessageIter iter, dict;
const char *reason, *key, *value;
char *addressv4 = NULL, *netmask = NULL, *gateway = NULL;
char *ifname = NULL, *nameservers = NULL;
struct connman_ipaddress *ipaddress = NULL;
dbus_message_iter_init(msg, &iter);
dbus_message_iter_get_basic(&iter, &reason);
dbus_message_iter_next(&iter);
if (!provider) {
connman_error("No provider found");
return VPN_STATE_FAILURE;
}
if (strcmp(reason, "auth failed") == 0) {
DBG("authentication failure");
vpn_provider_set_string(provider, "L2TP.User", NULL);
vpn_provider_set_string(provider, "L2TP.Password", NULL);
return VPN_STATE_AUTH_FAILURE;
}
if (strcmp(reason, "connect"))
return VPN_STATE_DISCONNECT;
dbus_message_iter_recurse(&iter, &dict);
while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
DBusMessageIter entry;
dbus_message_iter_recurse(&dict, &entry);
dbus_message_iter_get_basic(&entry, &key);
dbus_message_iter_next(&entry);
dbus_message_iter_get_basic(&entry, &value);
DBG("%s = %s", key, value);
if (!strcmp(key, "INTERNAL_IP4_ADDRESS"))
addressv4 = g_strdup(value);
if (!strcmp(key, "INTERNAL_IP4_NETMASK"))
netmask = g_strdup(value);
if (!strcmp(key, "INTERNAL_IP4_DNS"))
nameservers = g_strdup(value);
if (!strcmp(key, "INTERNAL_IFNAME"))
ifname = g_strdup(value);
dbus_message_iter_next(&dict);
}
if (vpn_set_ifname(provider, ifname) < 0) {
g_free(ifname);
g_free(addressv4);
g_free(netmask);
g_free(nameservers);
return VPN_STATE_FAILURE;
}
if (addressv4)
ipaddress = connman_ipaddress_alloc(AF_INET);
g_free(ifname);
if (!ipaddress) {
connman_error("No IP address for provider");
g_free(addressv4);
g_free(netmask);
g_free(nameservers);
return VPN_STATE_FAILURE;
}
value = vpn_provider_get_string(provider, "HostIP");
if (value) {
vpn_provider_set_string(provider, "Gateway", value);
gateway = g_strdup(value);
}
if (addressv4)
connman_ipaddress_set_ipv4(ipaddress, addressv4, netmask,
gateway);
vpn_provider_set_ipaddress(provider, ipaddress);
vpn_provider_set_nameservers(provider, nameservers);
g_free(addressv4);
g_free(netmask);
g_free(gateway);
g_free(nameservers);
connman_ipaddress_free(ipaddress);
return VPN_STATE_CONNECT;
}
static int run_connect(struct vpn_provider *provider,
struct connman_task *task, const char *if_name,
vpn_provider_connect_cb_t cb, void *user_data,
const char *username, const char *password)
{
const char *opt_s, *host;
char *str;
int err, i;
host = vpn_provider_get_string(provider, "Host");
if (host == NULL) {
connman_error("Host not set; cannot enable VPN");
err = -EINVAL;
goto done;
}
if (username == NULL || password == NULL) {
DBG("Cannot connect username %s password %p",
username, password);
err = -EINVAL;
goto done;
}
vpn_provider_set_string(provider, "PPTP.User", username);
vpn_provider_set_string(provider, "PPTP.Password", password);
DBG("username %s password %p", username, password);
str = g_strdup_printf("%s %s --nolaunchpppd --loglevel 2",
PPTP, host);
if (str == NULL) {
connman_error("can not allocate memory");
err = -ENOMEM;
goto done;
}
connman_task_add_argument(task, "pty", str);
g_free(str);
connman_task_add_argument(task, "nodetach", NULL);
connman_task_add_argument(task, "lock", NULL);
connman_task_add_argument(task, "usepeerdns", NULL);
connman_task_add_argument(task, "noipdefault", NULL);
connman_task_add_argument(task, "noauth", NULL);
connman_task_add_argument(task, "nodefaultroute", NULL);
connman_task_add_argument(task, "ipparam", "pptp_plugin");
for (i = 0; i < (int)ARRAY_SIZE(pptp_options); i++) {
opt_s = vpn_provider_get_string(provider,
pptp_options[i].cm_opt);
if (opt_s == NULL)
opt_s = pptp_options[i].vpnc_default;
if (opt_s == NULL)
continue;
if (pptp_options[i].type == OPT_STRING)
connman_task_add_argument(task,
pptp_options[i].pptp_opt, opt_s);
else if (pptp_options[i].type == OPT_BOOL)
pptp_write_bool_option(task,
pptp_options[i].pptp_opt, opt_s);
}
connman_task_add_argument(task, "plugin",
SCRIPTDIR "/libppp-plugin.so");
err = connman_task_run(task, vpn_died, provider,
NULL, NULL, NULL);
if (err < 0) {
connman_error("pptp failed to start");
err = -EIO;
goto done;
}
done:
if (cb != NULL)
cb(provider, user_data, err);
return err;
}
static void request_input_cookie_reply(DBusMessage *reply, void *user_data)
{
struct oc_private_data *data = user_data;
char *cookie = NULL, *servercert = NULL, *vpnhost = NULL;
char *key;
DBusMessageIter iter, dict;
DBG("provider %p", data->provider);
if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
goto err;
}
if (vpn_agent_check_reply_has_dict(reply) == FALSE)
goto err;
dbus_message_iter_init(reply, &iter);
dbus_message_iter_recurse(&iter, &dict);
while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
DBusMessageIter entry, value;
dbus_message_iter_recurse(&dict, &entry);
if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
break;
dbus_message_iter_get_basic(&entry, &key);
if (g_str_equal(key, "OpenConnect.Cookie")) {
dbus_message_iter_next(&entry);
if (dbus_message_iter_get_arg_type(&entry)
!= DBUS_TYPE_VARIANT)
break;
dbus_message_iter_recurse(&entry, &value);
if (dbus_message_iter_get_arg_type(&value)
!= DBUS_TYPE_STRING)
break;
dbus_message_iter_get_basic(&value, &cookie);
vpn_provider_set_string_hide_value(data->provider,
key, cookie);
} else if (g_str_equal(key, "OpenConnect.ServerCert")) {
dbus_message_iter_next(&entry);
if (dbus_message_iter_get_arg_type(&entry)
!= DBUS_TYPE_VARIANT)
break;
dbus_message_iter_recurse(&entry, &value);
if (dbus_message_iter_get_arg_type(&value)
!= DBUS_TYPE_STRING)
break;
dbus_message_iter_get_basic(&value, &servercert);
vpn_provider_set_string(data->provider, key,
servercert);
} else if (g_str_equal(key, "OpenConnect.VPNHost")) {
dbus_message_iter_next(&entry);
if (dbus_message_iter_get_arg_type(&entry)
!= DBUS_TYPE_VARIANT)
break;
dbus_message_iter_recurse(&entry, &value);
if (dbus_message_iter_get_arg_type(&value)
!= DBUS_TYPE_STRING)
break;
dbus_message_iter_get_basic(&value, &vpnhost);
vpn_provider_set_string(data->provider, key, vpnhost);
}
dbus_message_iter_next(&dict);
}
if (cookie == NULL || servercert == NULL || vpnhost == NULL)
goto err;
run_connect(data->provider, data->task, data->if_name, data->cb,
data->user_data);
free_private_data(data);
return;
err:
vpn_provider_indicate_error(data->provider,
VPN_PROVIDER_ERROR_AUTH_FAILED);
free_private_data(data);
}
static int ov_notify(DBusMessage *msg, struct vpn_provider *provider)
{
DBusMessageIter iter, dict;
const char *reason, *key, *value;
char *nameservers = NULL;
char *address = NULL, *gateway = NULL, *peer = NULL;
struct connman_ipaddress *ipaddress;
dbus_message_iter_init(msg, &iter);
dbus_message_iter_get_basic(&iter, &reason);
dbus_message_iter_next(&iter);
if (!provider) {
connman_error("No provider found");
return VPN_STATE_FAILURE;
}
if (strcmp(reason, "up"))
return VPN_STATE_DISCONNECT;
dbus_message_iter_recurse(&iter, &dict);
while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
DBusMessageIter entry;
dbus_message_iter_recurse(&dict, &entry);
dbus_message_iter_get_basic(&entry, &key);
dbus_message_iter_next(&entry);
dbus_message_iter_get_basic(&entry, &value);
DBG("%s = %s", key, value);
if (!strcmp(key, "trusted_ip")) {
vpn_provider_set_string(provider, "Gateway", value);
gateway = g_strdup(value);
}
if (!strcmp(key, "ifconfig_local")) {
vpn_provider_set_string(provider, "Address", value);
address = g_strdup(value);
}
if (!strcmp(key, "ifconfig_remote")) {
vpn_provider_set_string(provider, "Peer", value);
peer = g_strdup(value);
}
if (g_str_has_prefix(key, "route_") == TRUE)
vpn_provider_append_route(provider, key, value);
ov_append_dns_entries(key, value, &nameservers);
dbus_message_iter_next(&dict);
}
ipaddress = connman_ipaddress_alloc(AF_INET);
if (ipaddress == NULL) {
g_free(nameservers);
g_free(address);
g_free(gateway);
g_free(peer);
return VPN_STATE_FAILURE;
}
connman_ipaddress_set_ipv4(ipaddress, address, NULL, gateway);
connman_ipaddress_set_peer(ipaddress, peer);
vpn_provider_set_ipaddress(provider, ipaddress);
vpn_provider_set_nameservers(provider, nameservers);
g_free(nameservers);
g_free(address);
g_free(gateway);
g_free(peer);
connman_ipaddress_free(ipaddress);
return VPN_STATE_CONNECT;
}
