5 * Copyright (C) 2012 Intel Corporation. All rights reserved.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
28 #include <sys/socket.h>
34 #define CONNMAN_API_SUBJECT_TO_CHANGE
35 #include <connman/technology.h>
36 #include <connman/plugin.h>
37 #include <connman/log.h>
38 #include <connman/dbus.h>
39 #include <connman/provider.h>
40 #include <connman/ipaddress.h>
41 #include <connman/vpn-dbus.h>
42 #include <connman/inet.h>
43 #include <gweb/gresolv.h>
45 #define DBUS_TIMEOUT 10000
47 static DBusConnection *connection;
49 static GHashTable *vpn_connections = NULL;
51 static guint added_watch;
52 static guint removed_watch;
53 static guint property_watch;
62 struct config_create_data {
63 connection_ready_cb callback;
68 struct connection_data {
71 struct connman_provider *provider;
73 DBusPendingCall *call;
74 connman_bool_t connect_pending;
75 struct config_create_data *cb_data;
85 GHashTable *server_routes;
86 GHashTable *user_routes;
87 GHashTable *setting_strings;
89 struct connman_ipaddress *ip;
95 static int set_string(struct connman_provider *provider,
96 const char *key, const char *value)
98 struct connection_data *data;
100 data = connman_provider_get_data(provider);
104 DBG("data %p provider %p key %s value %s", data, provider, key, value);
106 if (g_str_equal(key, "Type") == TRUE) {
108 data->type = g_strdup(value);
109 } else if (g_str_equal(key, "Name") == TRUE) {
111 data->name = g_strdup(value);
112 } else if (g_str_equal(key, "Host") == TRUE) {
114 data->host = g_strdup(value);
115 } else if (g_str_equal(key, "VPN.Domain") == TRUE ||
116 g_str_equal(key, "Domain") == TRUE) {
117 g_free(data->domain);
118 data->domain = g_strdup(value);
120 g_hash_table_replace(data->setting_strings,
121 g_strdup(key), g_strdup(value));
125 static const char *get_string(struct connman_provider *provider,
128 struct connection_data *data;
130 data = connman_provider_get_data(provider);
134 DBG("data %p provider %p key %s", data, provider, key);
136 if (g_str_equal(key, "Type") == TRUE)
138 else if (g_str_equal(key, "Name") == TRUE)
140 else if (g_str_equal(key, "Host") == TRUE)
142 else if (g_str_equal(key, "HostIP") == TRUE) {
143 if (data->host_ip == NULL ||
144 data->host_ip[0] == NULL)
147 return data->host_ip[0];
148 } else if (g_str_equal(key, "VPN.Domain") == TRUE)
151 return g_hash_table_lookup(data->setting_strings, key);
154 static char *get_ident(const char *path)
161 pos = strrchr(path, '/');
168 static void cancel_host_resolv(struct connection_data *data)
170 if (data->resolv_id != 0)
171 g_resolv_cancel_lookup(data->resolv, data->resolv_id);
175 g_resolv_unref(data->resolv);
179 static gboolean remove_resolv(gpointer user_data)
181 struct connection_data *data = user_data;
183 cancel_host_resolv(data);
188 static void resolv_result(GResolvResultStatus status,
189 char **results, gpointer user_data)
191 struct connection_data *data = user_data;
193 DBG("status %d", status);
195 if (status == G_RESOLV_RESULT_STATUS_SUCCESS && results != NULL &&
196 g_strv_length(results) > 0)
197 data->host_ip = g_strdupv(results);
200 * We cannot unref the resolver here as resolv struct is manipulated
201 * by gresolv.c after we return from this callback.
203 g_timeout_add_seconds(0, remove_resolv, data);
208 static void resolv_host_addr(struct connection_data *data)
210 if (data->host == NULL)
213 if (connman_inet_check_ipaddress(data->host) > 0)
216 if (data->host_ip != NULL)
219 data->resolv = g_resolv_new(0);
220 if (data->resolv == NULL) {
221 DBG("Cannot resolv %s", data->host);
225 DBG("Trying to resolv %s", data->host);
227 data->resolv_id = g_resolv_lookup_hostname(data->resolv, data->host,
228 resolv_result, data);
231 static void free_config_cb_data(struct config_create_data *cb_data)
236 g_free(cb_data->path);
237 cb_data->path = NULL;
239 if (cb_data->message != NULL) {
240 dbus_message_unref(cb_data->message);
241 cb_data->message = NULL;
244 cb_data->callback = NULL;
249 static void set_provider_state(struct connection_data *data)
251 enum connman_provider_state state = CONNMAN_PROVIDER_STATE_UNKNOWN;
254 if (g_str_equal(data->state, "ready") == TRUE) {
255 state = CONNMAN_PROVIDER_STATE_READY;
257 } else if (g_str_equal(data->state, "configuration") == TRUE) {
258 state = CONNMAN_PROVIDER_STATE_CONNECT;
259 } else if (g_str_equal(data->state, "idle") == TRUE) {
260 state = CONNMAN_PROVIDER_STATE_IDLE;
261 } else if (g_str_equal(data->state, "disconnect") == TRUE) {
263 state = CONNMAN_PROVIDER_STATE_DISCONNECT;
265 } else if (g_str_equal(data->state, "failure") == TRUE) {
267 state = CONNMAN_PROVIDER_STATE_FAILURE;
271 connman_provider_set_state(data->provider, state);
275 if (data->cb_data != NULL)
276 data->cb_data->callback(data->cb_data->message,
279 connman_provider_set_state(data->provider, state);
281 free_config_cb_data(data->cb_data);
282 data->cb_data = NULL;
285 static int create_provider(struct connection_data *data, void *user_data)
287 struct connman_provider_driver *driver = user_data;
290 DBG("%s", data->path);
292 data->provider = connman_provider_get(data->ident);
293 if (data->provider == NULL)
296 DBG("provider %p name %s", data->provider, data->name);
298 connman_provider_set_data(data->provider, data);
299 connman_provider_set_driver(data->provider, driver);
301 err = connman_provider_create_service(data->provider);
303 if (g_str_equal(data->state, "ready") == TRUE) {
304 connman_provider_set_index(data->provider,
306 if (data->ip != NULL)
307 connman_provider_set_ipaddress(data->provider,
311 set_provider_state(data);
317 static void destroy_route(gpointer user_data)
319 struct vpn_route *route = user_data;
321 g_free(route->network);
322 g_free(route->netmask);
323 g_free(route->gateway);
327 static struct connection_data *create_connection_data(const char *path)
329 struct connection_data *data;
331 data = g_try_new0(struct connection_data, 1);
335 DBG("path %s", path);
337 data->path = g_strdup(path);
338 data->ident = g_strdup(get_ident(path));
341 data->setting_strings = g_hash_table_new_full(g_str_hash,
342 g_str_equal, g_free, g_free);
344 data->server_routes = g_hash_table_new_full(g_direct_hash,
345 g_str_equal, g_free, destroy_route);
346 data->user_routes = g_hash_table_new_full(g_str_hash,
347 g_str_equal, g_free, destroy_route);
352 static int extract_ip(DBusMessageIter *array, int family,
353 struct connection_data *data)
355 DBusMessageIter dict;
356 char *address = NULL, *gateway = NULL, *netmask = NULL, *peer = NULL;
357 unsigned char prefix_len;
359 if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
362 dbus_message_iter_recurse(array, &dict);
364 while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
365 DBusMessageIter entry, value;
368 dbus_message_iter_recurse(&dict, &entry);
369 dbus_message_iter_get_basic(&entry, &key);
371 dbus_message_iter_next(&entry);
372 dbus_message_iter_recurse(&entry, &value);
374 if (g_str_equal(key, "Address") == TRUE) {
375 dbus_message_iter_get_basic(&value, &address);
376 DBG("address %s", address);
377 } else if (g_str_equal(key, "Netmask") == TRUE) {
378 dbus_message_iter_get_basic(&value, &netmask);
379 DBG("netmask %s", netmask);
380 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
381 dbus_message_iter_get_basic(&value, &netmask);
382 DBG("prefix length %s", netmask);
383 } else if (g_str_equal(key, "Peer") == TRUE) {
384 dbus_message_iter_get_basic(&value, &peer);
385 DBG("peer %s", peer);
386 } else if (g_str_equal(key, "Gateway") == TRUE) {
387 dbus_message_iter_get_basic(&value, &gateway);
388 DBG("gateway %s", gateway);
391 dbus_message_iter_next(&dict);
394 data->ip = connman_ipaddress_alloc(family);
395 if (data->ip == NULL)
400 connman_ipaddress_set_ipv4(data->ip, address, netmask,
404 prefix_len = atoi(netmask);
405 connman_ipaddress_set_ipv6(data->ip, address, prefix_len,
412 connman_ipaddress_set_peer(data->ip, peer);
417 static int extract_nameservers(DBusMessageIter *array,
418 struct connection_data *data)
420 DBusMessageIter entry;
421 char **nameservers = NULL;
424 dbus_message_iter_recurse(array, &entry);
426 while (dbus_message_iter_get_arg_type(&entry) == DBUS_TYPE_STRING) {
427 const char *nameserver;
429 dbus_message_iter_get_basic(&entry, &nameserver);
431 nameservers = g_try_renew(char *, nameservers, i + 2);
432 if (nameservers == NULL)
435 DBG("[%d] %s", i, nameserver);
437 nameservers[i] = g_strdup(nameserver);
438 if (nameservers[i] == NULL)
441 nameservers[++i] = NULL;
443 dbus_message_iter_next(&entry);
446 g_strfreev(data->nameservers);
447 data->nameservers = nameservers;
452 static int errorstr2val(const char *error) {
453 if (g_strcmp0(error, CONNMAN_ERROR_INTERFACE ".InProgress") == 0)
456 if (g_strcmp0(error, CONNMAN_ERROR_INTERFACE ".AlreadyConnected") == 0)
459 return -ECONNREFUSED;
462 static void connect_reply(DBusPendingCall *call, void *user_data)
466 struct connection_data *data = user_data;
467 struct config_create_data *cb_data = data->cb_data;
469 if (dbus_pending_call_get_completed(call) == FALSE)
472 DBG("user_data %p path %s", user_data, cb_data ? cb_data->path : NULL);
474 reply = dbus_pending_call_steal_reply(call);
476 dbus_error_init(&error);
478 if (dbus_set_error_from_message(&error, reply) == TRUE) {
479 int err = errorstr2val(error.name);
480 if (err != -EINPROGRESS) {
481 connman_error("Connect reply: %s (%s)", error.message,
483 dbus_error_free(&error);
485 DBG("data %p cb_data %p", data, cb_data);
486 if (cb_data != NULL) {
487 cb_data->callback(cb_data->message, err, NULL);
488 free_config_cb_data(cb_data);
489 data->cb_data = NULL;
493 dbus_error_free(&error);
497 * The vpn connection is up when we get a "ready" state
498 * property so at this point we do nothing for the provider
503 dbus_message_unref(reply);
505 dbus_pending_call_unref(call);
508 static int connect_provider(struct connection_data *data, void *user_data)
510 DBusPendingCall *call;
511 DBusMessage *message;
512 struct config_create_data *cb_data = user_data;
514 DBG("data %p user %p path %s", data, cb_data, data->path);
516 message = dbus_message_new_method_call(VPN_SERVICE, data->path,
517 VPN_CONNECTION_INTERFACE,
522 if (dbus_connection_send_with_reply(connection, message,
523 &call, DBUS_TIMEOUT) == FALSE) {
524 connman_error("Unable to call %s.%s()",
525 VPN_CONNECTION_INTERFACE, VPN_CONNECT);
526 dbus_message_unref(message);
531 dbus_message_unref(message);
535 if (cb_data != NULL) {
536 g_free(cb_data->path);
537 cb_data->path = g_strdup(data->path);
540 dbus_pending_call_set_notify(call, connect_reply, data, NULL);
542 dbus_message_unref(message);
547 static void add_connection(const char *path, DBusMessageIter *properties,
550 struct connection_data *data;
552 char *ident = get_ident(path);
553 connman_bool_t found = FALSE;
555 data = g_hash_table_lookup(vpn_connections, ident);
558 * We might have a dummy connection struct here that
559 * was created by configuration_create_reply() so in
560 * that case just continue.
562 if (data->connect_pending == FALSE)
567 data = create_connection_data(path);
572 DBG("data %p path %s", data, path);
574 while (dbus_message_iter_get_arg_type(properties) ==
575 DBUS_TYPE_DICT_ENTRY) {
576 DBusMessageIter entry, value;
580 dbus_message_iter_recurse(properties, &entry);
581 dbus_message_iter_get_basic(&entry, &key);
583 dbus_message_iter_next(&entry);
584 dbus_message_iter_recurse(&entry, &value);
586 if (g_str_equal(key, "State") == TRUE) {
587 dbus_message_iter_get_basic(&value, &str);
588 DBG("state %s -> %s", data->state, str);
589 data->state = g_strdup(str);
590 } else if (g_str_equal(key, "IPv4") == TRUE) {
591 extract_ip(&value, AF_INET, data);
592 } else if (g_str_equal(key, "IPv6") == TRUE) {
593 extract_ip(&value, AF_INET6, data);
594 } else if (g_str_equal(key, "Name") == TRUE) {
595 dbus_message_iter_get_basic(&value, &str);
596 data->name = g_strdup(str);
597 } else if (g_str_equal(key, "Type") == TRUE) {
598 dbus_message_iter_get_basic(&value, &str);
599 data->type = g_strdup(str);
600 } else if (g_str_equal(key, "Host") == TRUE) {
601 dbus_message_iter_get_basic(&value, &str);
602 data->host = g_strdup(str);
603 } else if (g_str_equal(key, "Domain") == TRUE) {
604 dbus_message_iter_get_basic(&value, &str);
605 data->domain = g_strdup(str);
606 } else if (g_str_equal(key, "Nameservers") == TRUE) {
607 extract_nameservers(&value, data);
608 } else if (g_str_equal(key, "Index") == TRUE) {
609 dbus_message_iter_get_basic(&value, &data->index);
611 if (dbus_message_iter_get_arg_type(&value) ==
613 dbus_message_iter_get_basic(&value, &str);
614 g_hash_table_replace(data->setting_strings,
615 g_strdup(key), g_strdup(str));
617 DBG("unknown key %s", key);
621 dbus_message_iter_next(properties);
625 g_hash_table_insert(vpn_connections, g_strdup(data->ident),
628 err = create_provider(data, user_data);
632 resolv_host_addr(data);
634 if (data->connect_pending == TRUE)
635 connect_provider(data, data->cb_data);
640 DBG("removing %s", data->ident);
641 g_hash_table_remove(vpn_connections, data->ident);
644 static void get_connections_reply(DBusPendingCall *call, void *user_data)
648 DBusMessageIter array, dict;
649 const char *signature = DBUS_TYPE_ARRAY_AS_STRING
650 DBUS_STRUCT_BEGIN_CHAR_AS_STRING
651 DBUS_TYPE_OBJECT_PATH_AS_STRING
652 DBUS_TYPE_ARRAY_AS_STRING
653 DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
654 DBUS_TYPE_STRING_AS_STRING
655 DBUS_TYPE_VARIANT_AS_STRING
656 DBUS_DICT_ENTRY_END_CHAR_AS_STRING
657 DBUS_STRUCT_END_CHAR_AS_STRING;
659 if (dbus_pending_call_get_completed(call) == FALSE)
664 reply = dbus_pending_call_steal_reply(call);
666 dbus_error_init(&error);
668 if (dbus_set_error_from_message(&error, reply) == TRUE) {
669 connman_error("%s", error.message);
670 dbus_error_free(&error);
674 if (dbus_message_has_signature(reply, signature) == FALSE) {
675 connman_error("vpnd signature \"%s\" does not match "
677 dbus_message_get_signature(reply), signature);
681 if (dbus_message_iter_init(reply, &array) == FALSE)
684 dbus_message_iter_recurse(&array, &dict);
686 while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_STRUCT) {
687 DBusMessageIter value, properties;
690 dbus_message_iter_recurse(&dict, &value);
691 dbus_message_iter_get_basic(&value, &path);
693 dbus_message_iter_next(&value);
694 dbus_message_iter_recurse(&value, &properties);
696 add_connection(path, &properties, user_data);
698 dbus_message_iter_next(&dict);
702 dbus_message_unref(reply);
704 dbus_pending_call_unref(call);
707 static int get_connections(void *user_data)
709 DBusPendingCall *call;
710 DBusMessage *message;
714 message = dbus_message_new_method_call(VPN_SERVICE, "/",
715 VPN_MANAGER_INTERFACE,
720 if (dbus_connection_send_with_reply(connection, message,
721 &call, DBUS_TIMEOUT) == FALSE) {
722 connman_error("Unable to call %s.%s()", VPN_MANAGER_INTERFACE,
724 dbus_message_unref(message);
729 dbus_message_unref(message);
733 dbus_pending_call_set_notify(call, get_connections_reply,
736 dbus_message_unref(message);
741 static int provider_probe(struct connman_provider *provider)
746 static void remove_connection_reply(DBusPendingCall *call, void *user_data)
751 if (dbus_pending_call_get_completed(call) == FALSE)
756 reply = dbus_pending_call_steal_reply(call);
758 dbus_error_init(&error);
760 if (dbus_set_error_from_message(&error, reply) == TRUE) {
762 * If the returned error is NotFound, it means that we
763 * have actually removed the provider in vpnd already.
765 if (dbus_error_has_name(&error, CONNMAN_ERROR_INTERFACE
766 ".NotFound") == FALSE)
767 connman_error("%s", error.message);
769 dbus_error_free(&error);
772 dbus_message_unref(reply);
774 dbus_pending_call_unref(call);
777 static int provider_remove(struct connman_provider *provider)
779 DBusPendingCall *call;
780 DBusMessage *message;
781 struct connection_data *data;
783 data = connman_provider_get_data(provider);
785 DBG("provider %p data %p", provider, data);
788 * When provider.c:provider_remove() calls this function,
789 * it will remove the provider itself after the call.
790 * This means that we cannot use the provider pointer later
791 * as it is no longer valid.
793 data->provider = NULL;
795 message = dbus_message_new_method_call(VPN_SERVICE, "/",
796 VPN_MANAGER_INTERFACE,
801 dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &data->path,
804 if (dbus_connection_send_with_reply(connection, message,
805 &call, DBUS_TIMEOUT) == FALSE) {
806 connman_error("Unable to call %s.%s()", VPN_MANAGER_INTERFACE,
808 dbus_message_unref(message);
813 dbus_message_unref(message);
817 dbus_pending_call_set_notify(call, remove_connection_reply,
820 dbus_message_unref(message);
825 static int provider_connect(struct connman_provider *provider)
827 struct connection_data *data;
829 data = connman_provider_get_data(provider);
833 return connect_provider(data, NULL);
836 static void disconnect_reply(DBusPendingCall *call, void *user_data)
841 if (dbus_pending_call_get_completed(call) == FALSE)
844 DBG("user %p", user_data);
846 reply = dbus_pending_call_steal_reply(call);
848 dbus_error_init(&error);
850 if (dbus_set_error_from_message(&error, reply) == TRUE) {
851 connman_error("%s", error.message);
852 dbus_error_free(&error);
857 dbus_message_unref(reply);
859 dbus_pending_call_unref(call);
862 static int disconnect_provider(struct connection_data *data)
864 DBusPendingCall *call;
865 DBusMessage *message;
867 DBG("data %p path %s", data, data->path);
869 message = dbus_message_new_method_call(VPN_SERVICE, data->path,
870 VPN_CONNECTION_INTERFACE,
875 if (dbus_connection_send_with_reply(connection, message,
876 &call, DBUS_TIMEOUT) == FALSE) {
877 connman_error("Unable to call %s.%s()",
878 VPN_CONNECTION_INTERFACE, VPN_DISCONNECT);
879 dbus_message_unref(message);
884 dbus_message_unref(message);
888 dbus_pending_call_set_notify(call, disconnect_reply, NULL, NULL);
890 dbus_message_unref(message);
892 connman_provider_set_state(data->provider,
893 CONNMAN_PROVIDER_STATE_DISCONNECT);
895 * We return 0 here instead of -EINPROGRESS because
896 * __connman_service_disconnect() needs to return something
897 * to gdbus so that gdbus will not call Disconnect() more
898 * than once. This way we do not need to pass the dbus reply
899 * message around the code.
904 static int provider_disconnect(struct connman_provider *provider)
906 struct connection_data *data;
908 DBG("provider %p", provider);
910 data = connman_provider_get_data(provider);
914 if (g_str_equal(data->state, "ready") == TRUE ||
915 g_str_equal(data->state, "configuration") == TRUE)
916 return disconnect_provider(data);
921 static void configuration_create_reply(DBusPendingCall *call, void *user_data)
925 DBusMessageIter iter;
926 const char *signature = DBUS_TYPE_OBJECT_PATH_AS_STRING;
929 struct connection_data *data;
930 struct config_create_data *cb_data = user_data;
932 if (dbus_pending_call_get_completed(call) == FALSE)
935 DBG("user %p", cb_data);
937 reply = dbus_pending_call_steal_reply(call);
939 dbus_error_init(&error);
941 if (dbus_set_error_from_message(&error, reply) == TRUE) {
942 connman_error("dbus error: %s", error.message);
943 dbus_error_free(&error);
947 if (dbus_message_has_signature(reply, signature) == FALSE) {
948 connman_error("vpn configuration signature \"%s\" does not "
949 "match expected \"%s\"",
950 dbus_message_get_signature(reply), signature);
954 if (dbus_message_iter_init(reply, &iter) == FALSE)
957 dbus_message_iter_get_basic(&iter, &path);
960 * Then try to connect the VPN as expected by ConnectProvider API
962 ident = get_ident(path);
964 data = g_hash_table_lookup(vpn_connections, ident);
967 * Someone removed the data. We cannot really continue.
969 DBG("Pending data not found for %s, cannot continue!", ident);
972 data->connect_pending = TRUE;
974 if (data->cb_data == NULL)
975 data->cb_data = cb_data;
977 DBG("Connection callback data already in use!");
980 * Connection is created in add_connections() after
981 * we have received the ConnectionAdded signal.
984 DBG("cb %p msg %p", data->cb_data,
985 data->cb_data ? data->cb_data->message : NULL);
989 dbus_message_unref(reply);
991 dbus_pending_call_unref(call);
994 static void set_dbus_ident(char *ident)
996 int i, len = strlen(ident);
998 for (i = 0; i < len; i++) {
999 if (ident[i] >= '0' && ident[i] <= '9')
1001 if (ident[i] >= 'a' && ident[i] <= 'z')
1003 if (ident[i] >= 'A' && ident[i] <= 'Z')
1009 static struct vpn_route *parse_user_route(const char *user_route)
1011 char *network, *netmask;
1012 struct vpn_route *route = NULL;
1013 int family = PF_UNSPEC;
1014 char **elems = g_strsplit(user_route, "/", 0);
1020 if (network == NULL || *network == '\0') {
1021 DBG("no network/netmask set");
1026 if (netmask != NULL && *netmask == '\0') {
1027 DBG("no netmask set");
1031 if (g_strrstr(network, ":") != NULL)
1033 else if (g_strrstr(network, ".") != NULL) {
1036 if (g_strrstr(netmask, ".") == NULL) {
1037 /* We have netmask length */
1039 struct in_addr netmask_in;
1040 unsigned char prefix_len = 32;
1042 if (netmask != NULL) {
1044 long int value = strtol(netmask, &ptr, 10);
1045 if (ptr != netmask && *ptr == '\0' &&
1050 addr = 0xffffffff << (32 - prefix_len);
1051 netmask_in.s_addr = htonl(addr);
1052 netmask = inet_ntoa(netmask_in);
1054 DBG("network %s netmask %s", network, netmask);
1058 route = g_try_new(struct vpn_route, 1);
1062 route->network = g_strdup(network);
1063 route->netmask = g_strdup(netmask);
1064 route->gateway = NULL;
1065 route->family = family;
1072 static GSList *get_user_networks(DBusMessageIter *array)
1074 DBusMessageIter entry;
1075 GSList *list = NULL;
1077 dbus_message_iter_recurse(array, &entry);
1079 while (dbus_message_iter_get_arg_type(&entry) == DBUS_TYPE_STRING) {
1081 struct vpn_route *route;
1083 dbus_message_iter_get_basic(&entry, &val);
1085 route = parse_user_route(val);
1087 list = g_slist_prepend(list, route);
1089 dbus_message_iter_next(&entry);
1095 static void append_route(DBusMessageIter *iter, void *user_data)
1097 struct vpn_route *route = user_data;
1098 DBusMessageIter item;
1101 connman_dbus_dict_open(iter, &item);
1106 if (route->family == AF_INET)
1108 else if (route->family == AF_INET6)
1112 connman_dbus_dict_append_basic(&item, "ProtocolFamily",
1113 DBUS_TYPE_INT32, &family);
1115 if (route->network != NULL)
1116 connman_dbus_dict_append_basic(&item, "Network",
1117 DBUS_TYPE_STRING, &route->network);
1119 if (route->netmask != NULL)
1120 connman_dbus_dict_append_basic(&item, "Netmask",
1121 DBUS_TYPE_STRING, &route->netmask);
1123 if (route->gateway != NULL)
1124 connman_dbus_dict_append_basic(&item, "Gateway",
1125 DBUS_TYPE_STRING, &route->gateway);
1128 connman_dbus_dict_close(iter, &item);
1131 static void append_routes(DBusMessageIter *iter, void *user_data)
1133 GSList *list, *routes = user_data;
1135 DBG("routes %p", routes);
1137 for (list = routes; list != NULL; list = g_slist_next(list)) {
1138 DBusMessageIter dict;
1139 struct vpn_route *route = list->data;
1141 dbus_message_iter_open_container(iter, DBUS_TYPE_STRUCT, NULL,
1143 append_route(&dict, route);
1144 dbus_message_iter_close_container(iter, &dict);
1148 static int create_configuration(DBusMessage *msg, connection_ready_cb callback)
1150 DBusMessage *new_msg = NULL;
1151 DBusPendingCall *call;
1152 DBusMessageIter iter, array, new_iter, new_dict;
1153 const char *type = NULL, *name = NULL;
1154 const char *host = NULL, *domain = NULL;
1155 char *ident, *me = NULL;
1158 struct connection_data *data;
1159 struct config_create_data *user_data = NULL;
1160 GSList *networks = NULL;
1163 * We copy the old message data into new message. We cannot
1164 * just use the old message as is because the user route
1165 * information is not in the same format in vpnd.
1167 new_msg = dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_CALL);
1168 dbus_message_iter_init_append(new_msg, &new_iter);
1169 connman_dbus_dict_open(&new_iter, &new_dict);
1171 dbus_message_iter_init(msg, &iter);
1172 dbus_message_iter_recurse(&iter, &array);
1174 while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
1175 DBusMessageIter entry, value;
1180 dbus_message_iter_recurse(&array, &entry);
1181 dbus_message_iter_get_basic(&entry, &key);
1183 dbus_message_iter_next(&entry);
1184 dbus_message_iter_recurse(&entry, &value);
1186 value_type = dbus_message_iter_get_arg_type(&value);
1189 switch (value_type) {
1190 case DBUS_TYPE_STRING:
1191 dbus_message_iter_get_basic(&value, &item_value);
1193 if (g_str_equal(key, "Type") == TRUE) {
1194 type = (const char *)item_value;
1195 } else if (g_str_equal(key, "Name") == TRUE) {
1196 name = (const char *)item_value;
1197 } else if (g_str_equal(key, "Host") == TRUE) {
1198 host = (const char *)item_value;
1199 } else if (g_str_equal(key, "VPN.Domain") == TRUE) {
1200 domain = (const char *)item_value;
1203 DBG("%s %s", key, (char *)item_value);
1205 if (item_value != NULL)
1206 connman_dbus_dict_append_basic(&new_dict, key,
1207 value_type, &item_value);
1209 case DBUS_TYPE_ARRAY:
1210 if (g_str_equal(key, "Networks") == TRUE) {
1211 networks = get_user_networks(&value);
1212 connman_dbus_dict_append_array(&new_dict,
1214 DBUS_TYPE_DICT_ENTRY,
1221 dbus_message_iter_next(&array);
1224 connman_dbus_dict_close(&new_iter, &new_dict);
1226 DBG("VPN type %s name %s host %s domain %s networks %p",
1227 type, name, host, domain, networks);
1229 if (host == NULL || domain == NULL) {
1234 if (type == NULL || name == NULL) {
1239 ident = g_strdup_printf("%s_%s", host, domain);
1240 set_dbus_ident(ident);
1242 DBG("ident %s", ident);
1244 data = g_hash_table_lookup(vpn_connections, ident);
1246 if (data->call != NULL || data->cb_data != NULL) {
1247 DBG("create configuration call already pending");
1252 char *path = g_strdup_printf("%s/connection/%s", VPN_PATH,
1254 data = create_connection_data(path);
1262 g_hash_table_insert(vpn_connections, g_strdup(ident), data);
1266 * User called net.connman.Manager.ConnectProvider if we are here.
1267 * So use the data from original message in the new msg.
1269 me = g_strdup(dbus_message_get_destination(msg));
1271 dbus_message_set_interface(new_msg, VPN_MANAGER_INTERFACE);
1272 dbus_message_set_path(new_msg, "/");
1273 dbus_message_set_destination(new_msg, VPN_SERVICE);
1274 dbus_message_set_sender(new_msg, me);
1275 dbus_message_set_member(new_msg, "Create");
1277 user_data = g_try_new0(struct config_create_data, 1);
1278 if (user_data == NULL) {
1283 user_data->callback = callback;
1284 user_data->message = dbus_message_ref(msg);
1285 user_data->path = NULL;
1287 DBG("cb %p msg %p", user_data, msg);
1289 result = dbus_connection_send_with_reply(connection, new_msg,
1290 &call, DBUS_TIMEOUT);
1291 if (result == FALSE || call == NULL) {
1296 dbus_pending_call_set_notify(call, configuration_create_reply,
1301 if (new_msg != NULL)
1302 dbus_message_unref(new_msg);
1304 if (networks != NULL)
1305 g_slist_free_full(networks, destroy_route);
1311 static connman_bool_t check_host(char **hosts, char *host)
1318 for (i = 0; hosts[i] != NULL; i++) {
1319 if (g_strcmp0(hosts[i], host) == 0)
1326 static void set_route(struct connection_data *data, struct vpn_route *route)
1329 * If the VPN administrator/user has given a route to
1330 * VPN server, then we must discard that because the
1331 * server cannot be contacted via VPN tunnel.
1333 if (check_host(data->host_ip, route->network) == TRUE) {
1334 DBG("Discarding VPN route to %s via %s at index %d",
1335 route->network, route->gateway, data->index);
1339 if (route->family == AF_INET6) {
1340 unsigned char prefix_len = atoi(route->netmask);
1342 connman_inet_add_ipv6_network_route(data->index,
1347 connman_inet_add_network_route(data->index, route->network,
1353 static int set_routes(struct connman_provider *provider,
1354 enum connman_provider_route_type type)
1356 struct connection_data *data;
1357 GHashTableIter iter;
1358 gpointer value, key;
1360 DBG("provider %p", provider);
1362 data = connman_provider_get_data(provider);
1366 if (type == CONNMAN_PROVIDER_ROUTE_ALL ||
1367 type == CONNMAN_PROVIDER_ROUTE_USER) {
1368 g_hash_table_iter_init(&iter, data->user_routes);
1370 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE)
1371 set_route(data, value);
1374 if (type == CONNMAN_PROVIDER_ROUTE_ALL ||
1375 type == CONNMAN_PROVIDER_ROUTE_SERVER) {
1376 g_hash_table_iter_init(&iter, data->server_routes);
1378 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE)
1379 set_route(data, value);
1385 static connman_bool_t check_routes(struct connman_provider *provider)
1387 struct connection_data *data;
1389 DBG("provider %p", provider);
1391 data = connman_provider_get_data(provider);
1395 if (data->user_routes != NULL &&
1396 g_hash_table_size(data->user_routes) > 0)
1399 if (data->server_routes != NULL &&
1400 g_hash_table_size(data->server_routes) > 0)
1406 static struct connman_provider_driver provider_driver = {
1408 .type = CONNMAN_PROVIDER_TYPE_VPN,
1409 .probe = provider_probe,
1410 .remove = provider_remove,
1411 .connect = provider_connect,
1412 .disconnect = provider_disconnect,
1413 .set_property = set_string,
1414 .get_property = get_string,
1415 .create = create_configuration,
1416 .set_routes = set_routes,
1417 .check_routes = check_routes,
1420 static void destroy_provider(struct connection_data *data)
1422 DBG("data %p", data);
1424 if (g_str_equal(data->state, "ready") == TRUE ||
1425 g_str_equal(data->state, "configuration") == TRUE)
1426 connman_provider_disconnect(data->provider);
1428 if (data->call != NULL)
1429 dbus_pending_call_cancel(data->call);
1431 connman_provider_put(data->provider);
1433 data->provider = NULL;
1436 static void connection_destroy(gpointer hash_data)
1438 struct connection_data *data = hash_data;
1440 DBG("data %p", data);
1442 if (data->provider != NULL)
1443 destroy_provider(data);
1446 g_free(data->ident);
1447 g_free(data->state);
1451 g_free(data->domain);
1452 g_hash_table_destroy(data->server_routes);
1453 g_hash_table_destroy(data->user_routes);
1454 g_strfreev(data->nameservers);
1455 g_hash_table_destroy(data->setting_strings);
1456 connman_ipaddress_free(data->ip);
1458 cancel_host_resolv(data);
1463 static void vpnd_created(DBusConnection *conn, void *user_data)
1465 DBG("connection %p", conn);
1467 get_connections(user_data);
1470 static void vpnd_removed(DBusConnection *conn, void *user_data)
1472 DBG("connection %p", conn);
1474 g_hash_table_remove_all(vpn_connections);
1477 static void remove_connection(DBusConnection *conn, const char *path)
1479 DBG("path %s", path);
1481 g_hash_table_remove(vpn_connections, get_ident(path));
1484 static gboolean connection_removed(DBusConnection *conn, DBusMessage *message,
1488 const char *signature = DBUS_TYPE_OBJECT_PATH_AS_STRING;
1490 if (dbus_message_has_signature(message, signature) == FALSE) {
1491 connman_error("vpn removed signature \"%s\" does not match "
1493 dbus_message_get_signature(message), signature);
1497 dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &path,
1499 remove_connection(conn, path);
1503 static gboolean connection_added(DBusConnection *conn, DBusMessage *message,
1506 DBusMessageIter iter, properties;
1508 const char *signature = DBUS_TYPE_OBJECT_PATH_AS_STRING
1509 DBUS_TYPE_ARRAY_AS_STRING
1510 DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
1511 DBUS_TYPE_STRING_AS_STRING
1512 DBUS_TYPE_VARIANT_AS_STRING
1513 DBUS_DICT_ENTRY_END_CHAR_AS_STRING;
1515 if (dbus_message_has_signature(message, signature) == FALSE) {
1516 connman_error("vpn ConnectionAdded signature \"%s\" does not "
1517 "match expected \"%s\"",
1518 dbus_message_get_signature(message), signature);
1524 if (dbus_message_iter_init(message, &iter) == FALSE)
1527 dbus_message_iter_get_basic(&iter, &path);
1529 dbus_message_iter_next(&iter);
1530 dbus_message_iter_recurse(&iter, &properties);
1532 add_connection(path, &properties, user_data);
1537 static int save_route(GHashTable *routes, int family, const char *network,
1538 const char *netmask, const char *gateway)
1540 struct vpn_route *route;
1541 char *key = g_strdup_printf("%d/%s/%s", family, network, netmask);
1543 DBG("family %d network %s netmask %s", family, network, netmask);
1545 route = g_hash_table_lookup(routes, key);
1546 if (route == NULL) {
1547 route = g_try_new0(struct vpn_route, 1);
1548 if (route == NULL) {
1549 connman_error("out of memory");
1553 route->family = family;
1554 route->network = g_strdup(network);
1555 route->netmask = g_strdup(netmask);
1556 route->gateway = g_strdup(gateway);
1558 g_hash_table_replace(routes, key, route);
1565 static int read_route_dict(GHashTable *routes, DBusMessageIter *dicts)
1567 DBusMessageIter dict;
1568 const char *network, *netmask, *gateway;
1571 dbus_message_iter_recurse(dicts, &dict);
1573 network = netmask = gateway = NULL;
1576 while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1578 DBusMessageIter entry, value;
1581 dbus_message_iter_recurse(&dict, &entry);
1582 dbus_message_iter_get_basic(&entry, &key);
1584 dbus_message_iter_next(&entry);
1585 dbus_message_iter_recurse(&entry, &value);
1587 if (g_str_equal(key, "ProtocolFamily") == TRUE) {
1589 dbus_message_iter_get_basic(&value, &pf);
1598 DBG("family %d", family);
1599 } else if (g_str_equal(key, "Netmask") == TRUE) {
1600 dbus_message_iter_get_basic(&value, &netmask);
1601 DBG("netmask %s", netmask);
1602 } else if (g_str_equal(key, "Network") == TRUE) {
1603 dbus_message_iter_get_basic(&value, &network);
1604 DBG("host %s", network);
1605 } else if (g_str_equal(key, "Gateway") == TRUE) {
1606 dbus_message_iter_get_basic(&value, &gateway);
1607 DBG("gateway %s", gateway);
1610 dbus_message_iter_next(&dict);
1613 if (netmask == NULL || network == NULL || gateway == NULL) {
1614 DBG("Value missing.");
1618 return save_route(routes, family, network, netmask, gateway);
1621 static int routes_changed(DBusMessageIter *array, GHashTable *routes)
1623 DBusMessageIter entry;
1626 if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY) {
1627 DBG("Expecting array, ignoring routes.");
1631 while (dbus_message_iter_get_arg_type(array) == DBUS_TYPE_ARRAY) {
1633 dbus_message_iter_recurse(array, &entry);
1635 while (dbus_message_iter_get_arg_type(&entry) ==
1637 DBusMessageIter dicts;
1639 dbus_message_iter_recurse(&entry, &dicts);
1641 while (dbus_message_iter_get_arg_type(&dicts) ==
1643 int err = read_route_dict(routes, &dicts);
1646 dbus_message_iter_next(&dicts);
1649 dbus_message_iter_next(&entry);
1652 dbus_message_iter_next(array);
1658 static gboolean property_changed(DBusConnection *conn,
1659 DBusMessage *message,
1662 const char *path = dbus_message_get_path(message);
1663 struct connection_data *data = NULL;
1664 DBusMessageIter iter, value;
1665 connman_bool_t ip_set = FALSE;
1669 const char *signature = DBUS_TYPE_STRING_AS_STRING
1670 DBUS_TYPE_VARIANT_AS_STRING;
1672 if (dbus_message_has_signature(message, signature) == FALSE) {
1673 connman_error("vpn property signature \"%s\" does not match "
1675 dbus_message_get_signature(message), signature);
1679 data = g_hash_table_lookup(vpn_connections, get_ident(path));
1683 if (dbus_message_iter_init(message, &iter) == FALSE)
1686 dbus_message_iter_get_basic(&iter, &key);
1688 dbus_message_iter_next(&iter);
1689 dbus_message_iter_recurse(&iter, &value);
1693 if (g_str_equal(key, "State") == TRUE) {
1694 dbus_message_iter_get_basic(&value, &str);
1696 DBG("%s %s -> %s", data->path, data->state, str);
1698 if (g_str_equal(data->state, str) == TRUE)
1701 g_free(data->state);
1702 data->state = g_strdup(str);
1704 set_provider_state(data);
1705 } else if (g_str_equal(key, "Index") == TRUE) {
1706 dbus_message_iter_get_basic(&value, &data->index);
1707 connman_provider_set_index(data->provider, data->index);
1708 } else if (g_str_equal(key, "IPv4") == TRUE) {
1709 err = extract_ip(&value, AF_INET, data);
1711 } else if (g_str_equal(key, "IPv6") == TRUE) {
1712 err = extract_ip(&value, AF_INET6, data);
1714 } else if (g_str_equal(key, "ServerRoutes") == TRUE) {
1715 err = routes_changed(&value, data->server_routes);
1717 * Note that the vpnd will delay the route sending a bit
1718 * (in order to collect the routes from VPN client),
1719 * so we might have got the State changed property before
1720 * we got ServerRoutes. This means that we must try to set
1721 * the routes here because they would be left unset otherwise.
1724 set_routes(data->provider,
1725 CONNMAN_PROVIDER_ROUTE_SERVER);
1726 } else if (g_str_equal(key, "UserRoutes") == TRUE) {
1727 err = routes_changed(&value, data->user_routes);
1729 set_routes(data->provider,
1730 CONNMAN_PROVIDER_ROUTE_USER);
1731 } else if (g_str_equal(key, "Nameservers") == TRUE) {
1732 extract_nameservers(&value, data);
1735 if (ip_set == TRUE && err == 0) {
1736 err = connman_provider_set_ipaddress(data->provider, data->ip);
1738 DBG("setting provider IP address failed (%s/%d)",
1739 strerror(-err), -err);
1745 static int vpn_init(void)
1749 connection = connman_dbus_get_connection();
1750 if (connection == NULL)
1753 watch = g_dbus_add_service_watch(connection, VPN_SERVICE,
1754 vpnd_created, vpnd_removed, &provider_driver, NULL);
1756 added_watch = g_dbus_add_signal_watch(connection, VPN_SERVICE, NULL,
1757 VPN_MANAGER_INTERFACE,
1758 CONNECTION_ADDED, connection_added,
1759 &provider_driver, NULL);
1761 removed_watch = g_dbus_add_signal_watch(connection, VPN_SERVICE, NULL,
1762 VPN_MANAGER_INTERFACE,
1763 CONNECTION_REMOVED, connection_removed,
1766 property_watch = g_dbus_add_signal_watch(connection, VPN_SERVICE, NULL,
1767 VPN_CONNECTION_INTERFACE,
1768 PROPERTY_CHANGED, property_changed,
1771 if (added_watch == 0 || removed_watch == 0 || property_watch == 0) {
1776 err = connman_provider_driver_register(&provider_driver);
1778 vpn_connections = g_hash_table_new_full(g_str_hash,
1780 g_free, connection_destroy);
1782 vpnd_created(connection, &provider_driver);
1788 g_dbus_remove_watch(connection, watch);
1789 g_dbus_remove_watch(connection, added_watch);
1790 g_dbus_remove_watch(connection, removed_watch);
1791 g_dbus_remove_watch(connection, property_watch);
1793 dbus_connection_unref(connection);
1798 static void vpn_exit(void)
1800 g_dbus_remove_watch(connection, watch);
1801 g_dbus_remove_watch(connection, added_watch);
1802 g_dbus_remove_watch(connection, removed_watch);
1803 g_dbus_remove_watch(connection, property_watch);
1805 connman_provider_driver_unregister(&provider_driver);
1807 if (vpn_connections != NULL)
1808 g_hash_table_destroy(vpn_connections);
1810 dbus_connection_unref(connection);
1813 CONNMAN_PLUGIN_DEFINE(vpn, "VPN plugin", VERSION,
1814 CONNMAN_PLUGIN_PRIORITY_DEFAULT, vpn_init, vpn_exit)