5 * Copyright (C) 2010 BMW Car IT GmbH. All rights reserved.
6 * Copyright (C) 2011 Intel Corporation. All rights reserved.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
35 #define CONNMAN_API_SUBJECT_TO_CHANGE
36 #include <connman/plugin.h>
37 #include <connman/provider.h>
38 #include <connman/log.h>
39 #include <connman/task.h>
40 #include <connman/dbus.h>
41 #include <connman/inet.h>
45 #define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
55 const char *vpnc_default;
58 { "PPTP.User", "user", NULL, OPT_STRING },
59 { "PPTP.EchoFailure", "lcp-echo-failure", "0", OPT_STRING },
60 { "PPTP.EchoInterval", "lcp-echo-interval", "0", OPT_STRING },
61 { "PPTP.Debug", "debug", NULL, OPT_STRING },
62 { "PPTP.RefuseEAP", "refuse-eap", NULL, OPT_BOOL },
63 { "PPTP.RefusePAP", "refuse-pap", NULL, OPT_BOOL },
64 { "PPTP.RefuseCHAP", "refuse-chap", NULL, OPT_BOOL },
65 { "PPTP.RefuseMSCHAP", "refuse-mschap", NULL, OPT_BOOL },
66 { "PPTP.RefuseMSCHAP2", "refuse-mschapv2", NULL, OPT_BOOL },
67 { "PPTP.NoBSDComp", "nobsdcomp", NULL, OPT_BOOL },
68 { "PPTP.NoDeflate", "nodeflatey", NULL, OPT_BOOL },
69 { "PPTP.RequirMPPE", "require-mppe", NULL, OPT_BOOL },
70 { "PPTP.RequirMPPE40", "require-mppe-40", NULL, OPT_BOOL },
71 { "PPTP.RequirMPPE128", "require-mppe-128", NULL, OPT_BOOL },
72 { "PPTP.RequirMPPEStateful", "mppe-stateful", NULL, OPT_BOOL },
73 { "PPTP.NoVJ", "no-vj-comp", NULL, OPT_BOOL },
76 static DBusConnection *connection;
78 static DBusMessage *pptp_get_sec(struct connman_task *task,
79 DBusMessage *msg, void *user_data)
81 const char *user, *passwd;
82 struct connman_provider *provider = user_data;
85 if (dbus_message_get_no_reply(msg) == TRUE)
88 user = connman_provider_get_string(provider, "PPTP.User");
89 passwd = connman_provider_get_string(provider, "PPTP.Password");
90 if (user == NULL || strlen(user) == 0 ||
91 passwd == NULL || strlen(passwd) == 0)
94 reply = dbus_message_new_method_return(msg);
98 dbus_message_append_args(reply, DBUS_TYPE_STRING, &user,
99 DBUS_TYPE_STRING, &passwd,
104 static int pptp_notify(DBusMessage *msg, struct connman_provider *provider)
106 DBusMessageIter iter, dict;
107 const char *reason, *key, *value;
108 char *addressv4 = NULL, *netmask = NULL, *gateway = NULL;
109 char *ifname = NULL, *nameservers = NULL;
110 struct connman_ipaddress *ipaddress = NULL;
112 dbus_message_iter_init(msg, &iter);
114 dbus_message_iter_get_basic(&iter, &reason);
115 dbus_message_iter_next(&iter);
117 if (provider == NULL) {
118 connman_error("No provider found");
119 return VPN_STATE_FAILURE;
122 if (strcmp(reason, "auth failed") == 0)
123 return VPN_STATE_AUTH_FAILURE;
125 if (strcmp(reason, "connect"))
126 return VPN_STATE_DISCONNECT;
128 dbus_message_iter_recurse(&iter, &dict);
130 while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
131 DBusMessageIter entry;
133 dbus_message_iter_recurse(&dict, &entry);
134 dbus_message_iter_get_basic(&entry, &key);
135 dbus_message_iter_next(&entry);
136 dbus_message_iter_get_basic(&entry, &value);
138 DBG("%s = %s", key, value);
140 if (!strcmp(key, "INTERNAL_IP4_ADDRESS")) {
141 connman_provider_set_string(provider, "Address", value);
142 addressv4 = g_strdup(value);
145 if (!strcmp(key, "INTERNAL_IP4_NETMASK")) {
146 connman_provider_set_string(provider, "Netmask", value);
147 netmask = g_strdup(value);
150 if (!strcmp(key, "INTERNAL_IP4_DNS")) {
151 connman_provider_set_string(provider, "DNS", value);
152 nameservers = g_strdup(value);
155 if (!strcmp(key, "INTERNAL_IFNAME"))
156 ifname = g_strdup(value);
158 dbus_message_iter_next(&dict);
161 if (vpn_set_ifname(provider, ifname) < 0) {
166 return VPN_STATE_FAILURE;
169 if (addressv4 != NULL)
170 ipaddress = connman_ipaddress_alloc(AF_INET);
174 if (ipaddress == NULL) {
175 connman_error("No IP address for provider");
179 return VPN_STATE_FAILURE;
182 value = connman_provider_get_string(provider, "Host");
184 connman_provider_set_string(provider, "Gateway", value);
185 gateway = g_strdup(value);
188 if (addressv4 != NULL)
189 connman_ipaddress_set_ipv4(ipaddress, addressv4, netmask,
192 connman_provider_set_ipaddress(provider, ipaddress);
193 connman_provider_set_nameservers(provider, nameservers);
199 connman_ipaddress_free(ipaddress);
201 return VPN_STATE_CONNECT;
204 static int pptp_save(struct connman_provider *provider, GKeyFile *keyfile)
209 for (i = 0; i < (int)ARRAY_SIZE(pptp_options); i++) {
210 if (strncmp(pptp_options[i].cm_opt, "PPTP.", 5) == 0) {
211 option = connman_provider_get_string(provider,
212 pptp_options[i].cm_opt);
213 g_key_file_set_string(keyfile,
214 connman_provider_get_save_group(provider),
215 pptp_options[i].cm_opt, option);
221 static void pptp_write_bool_option(struct connman_task *task,
222 const char *key, const char *value)
224 if (key != NULL && value != NULL) {
225 if (strcmp(value, "yes") == 0)
226 connman_task_add_argument(task, key, NULL);
230 static int pptp_connect(struct connman_provider *provider,
231 struct connman_task *task, const char *if_name)
233 const char *opt_s, *host;
237 if (connman_task_set_notify(task, "getsec",
238 pptp_get_sec, provider))
241 host = connman_provider_get_string(provider, "Host");
243 connman_error("Host not set; cannot enable VPN");
247 str = g_strdup_printf("%s %s --nolaunchpppd --loglevel 2",
250 connman_error("can not allocate memory");
254 connman_task_add_argument(task, "pty", str);
257 connman_task_add_argument(task, "nodetach", NULL);
258 connman_task_add_argument(task, "lock", NULL);
259 connman_task_add_argument(task, "usepeerdns", NULL);
260 connman_task_add_argument(task, "noipdefault", NULL);
261 connman_task_add_argument(task, "noauth", NULL);
262 connman_task_add_argument(task, "nodefaultroute", NULL);
263 connman_task_add_argument(task, "ipparam", "pptp_plugin");
265 for (i = 0; i < (int)ARRAY_SIZE(pptp_options); i++) {
266 opt_s = connman_provider_get_string(provider,
267 pptp_options[i].cm_opt);
269 opt_s = pptp_options[i].vpnc_default;
274 if (pptp_options[i].type == OPT_STRING)
275 connman_task_add_argument(task,
276 pptp_options[i].pptp_opt, opt_s);
277 else if (pptp_options[i].type == OPT_BOOL)
278 pptp_write_bool_option(task,
279 pptp_options[i].pptp_opt, opt_s);
282 connman_task_add_argument(task, "plugin",
283 SCRIPTDIR "/libppp-plugin.so");
285 err = connman_task_run(task, vpn_died, provider,
288 connman_error("pptp failed to start");
295 static int pptp_error_code(int exit_code)
300 return CONNMAN_PROVIDER_ERROR_CONNECT_FAILED;
302 return CONNMAN_PROVIDER_ERROR_LOGIN_FAILED;
304 return CONNMAN_PROVIDER_ERROR_AUTH_FAILED;
306 return CONNMAN_PROVIDER_ERROR_UNKNOWN;
310 static struct vpn_driver vpn_driver = {
311 .flags = VPN_FLAG_NO_TUN,
312 .notify = pptp_notify,
313 .connect = pptp_connect,
314 .error_code = pptp_error_code,
318 static int pptp_init(void)
320 connection = connman_dbus_get_connection();
322 return vpn_register("pptp", &vpn_driver, PPPD);
325 static void pptp_exit(void)
327 vpn_unregister("pptp");
329 dbus_connection_unref(connection);
332 CONNMAN_PLUGIN_DEFINE(pptp, "pptp plugin", VERSION,
333 CONNMAN_PLUGIN_PRIORITY_DEFAULT, pptp_init, pptp_exit)