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 void connect_reply(DBusPendingCall *call, void *user_data)
456 struct config_create_data *cb_data = user_data;
458 if (dbus_pending_call_get_completed(call) == FALSE)
461 DBG("user_data %p path %s", user_data, cb_data ? cb_data->path : NULL);
463 reply = dbus_pending_call_steal_reply(call);
465 dbus_error_init(&error);
467 if (dbus_set_error_from_message(&error, reply) == TRUE) {
468 if (dbus_error_has_name(&error, CONNMAN_ERROR_INTERFACE
469 ".InProgress") == FALSE) {
470 connman_error("Connect reply: %s (%s)", error.message,
472 dbus_error_free(&error);
474 if (cb_data != NULL) {
475 cb_data->callback(cb_data->message,
477 free_config_cb_data(cb_data);
481 dbus_error_free(&error);
485 * The vpn connection is up when we get a "ready" state
486 * property so at this point we do nothing for the provider
491 dbus_message_unref(reply);
493 dbus_pending_call_unref(call);
496 static int connect_provider(struct connection_data *data, void *user_data)
498 DBusPendingCall *call;
499 DBusMessage *message;
500 struct config_create_data *cb_data = user_data;
502 DBG("data %p user %p path %s", data, cb_data, data->path);
504 message = dbus_message_new_method_call(VPN_SERVICE, data->path,
505 VPN_CONNECTION_INTERFACE,
510 if (dbus_connection_send_with_reply(connection, message,
511 &call, DBUS_TIMEOUT) == FALSE) {
512 connman_error("Unable to call %s.%s()",
513 VPN_CONNECTION_INTERFACE, VPN_CONNECT);
514 dbus_message_unref(message);
519 dbus_message_unref(message);
523 if (cb_data != NULL) {
524 g_free(cb_data->path);
525 cb_data->path = g_strdup(data->path);
528 dbus_pending_call_set_notify(call, connect_reply, cb_data, NULL);
530 dbus_message_unref(message);
535 static void add_connection(const char *path, DBusMessageIter *properties,
538 struct connection_data *data;
540 char *ident = get_ident(path);
541 connman_bool_t found = FALSE;
543 data = g_hash_table_lookup(vpn_connections, ident);
546 * We might have a dummy connection struct here that
547 * was created by configuration_create_reply() so in
548 * that case just continue.
550 if (data->connect_pending == FALSE)
555 data = create_connection_data(path);
560 DBG("data %p path %s", data, path);
562 while (dbus_message_iter_get_arg_type(properties) ==
563 DBUS_TYPE_DICT_ENTRY) {
564 DBusMessageIter entry, value;
568 dbus_message_iter_recurse(properties, &entry);
569 dbus_message_iter_get_basic(&entry, &key);
571 dbus_message_iter_next(&entry);
572 dbus_message_iter_recurse(&entry, &value);
574 if (g_str_equal(key, "State") == TRUE) {
575 dbus_message_iter_get_basic(&value, &str);
576 DBG("state %s -> %s", data->state, str);
577 data->state = g_strdup(str);
578 } else if (g_str_equal(key, "IPv4") == TRUE) {
579 extract_ip(&value, AF_INET, data);
580 } else if (g_str_equal(key, "IPv6") == TRUE) {
581 extract_ip(&value, AF_INET6, data);
582 } else if (g_str_equal(key, "Name") == TRUE) {
583 dbus_message_iter_get_basic(&value, &str);
584 data->name = g_strdup(str);
585 } else if (g_str_equal(key, "Type") == TRUE) {
586 dbus_message_iter_get_basic(&value, &str);
587 data->type = g_strdup(str);
588 } else if (g_str_equal(key, "Host") == TRUE) {
589 dbus_message_iter_get_basic(&value, &str);
590 data->host = g_strdup(str);
591 } else if (g_str_equal(key, "Domain") == TRUE) {
592 dbus_message_iter_get_basic(&value, &str);
593 data->domain = g_strdup(str);
594 } else if (g_str_equal(key, "Nameservers") == TRUE) {
595 extract_nameservers(&value, data);
596 } else if (g_str_equal(key, "Index") == TRUE) {
597 dbus_message_iter_get_basic(&value, &data->index);
599 if (dbus_message_iter_get_arg_type(&value) ==
601 dbus_message_iter_get_basic(&value, &str);
602 g_hash_table_replace(data->setting_strings,
603 g_strdup(key), g_strdup(str));
605 DBG("unknown key %s", key);
609 dbus_message_iter_next(properties);
613 g_hash_table_insert(vpn_connections, g_strdup(data->ident),
616 err = create_provider(data, user_data);
620 resolv_host_addr(data);
622 if (data->connect_pending == TRUE)
623 connect_provider(data, data->cb_data);
628 DBG("removing %s", data->ident);
629 g_hash_table_remove(vpn_connections, data->ident);
632 static void get_connections_reply(DBusPendingCall *call, void *user_data)
636 DBusMessageIter array, dict;
637 const char *signature = DBUS_TYPE_ARRAY_AS_STRING
638 DBUS_STRUCT_BEGIN_CHAR_AS_STRING
639 DBUS_TYPE_OBJECT_PATH_AS_STRING
640 DBUS_TYPE_ARRAY_AS_STRING
641 DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
642 DBUS_TYPE_STRING_AS_STRING
643 DBUS_TYPE_VARIANT_AS_STRING
644 DBUS_DICT_ENTRY_END_CHAR_AS_STRING
645 DBUS_STRUCT_END_CHAR_AS_STRING;
647 if (dbus_pending_call_get_completed(call) == FALSE)
652 reply = dbus_pending_call_steal_reply(call);
654 dbus_error_init(&error);
656 if (dbus_set_error_from_message(&error, reply) == TRUE) {
657 connman_error("%s", error.message);
658 dbus_error_free(&error);
662 if (dbus_message_has_signature(reply, signature) == FALSE) {
663 connman_error("vpnd signature \"%s\" does not match "
665 dbus_message_get_signature(reply), signature);
669 if (dbus_message_iter_init(reply, &array) == FALSE)
672 dbus_message_iter_recurse(&array, &dict);
674 while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_STRUCT) {
675 DBusMessageIter value, properties;
678 dbus_message_iter_recurse(&dict, &value);
679 dbus_message_iter_get_basic(&value, &path);
681 dbus_message_iter_next(&value);
682 dbus_message_iter_recurse(&value, &properties);
684 add_connection(path, &properties, user_data);
686 dbus_message_iter_next(&dict);
690 dbus_message_unref(reply);
692 dbus_pending_call_unref(call);
695 static int get_connections(void *user_data)
697 DBusPendingCall *call;
698 DBusMessage *message;
702 message = dbus_message_new_method_call(VPN_SERVICE, "/",
703 VPN_MANAGER_INTERFACE,
708 if (dbus_connection_send_with_reply(connection, message,
709 &call, DBUS_TIMEOUT) == FALSE) {
710 connman_error("Unable to call %s.%s()", VPN_MANAGER_INTERFACE,
712 dbus_message_unref(message);
717 dbus_message_unref(message);
721 dbus_pending_call_set_notify(call, get_connections_reply,
724 dbus_message_unref(message);
729 static int provider_probe(struct connman_provider *provider)
734 static void remove_connection_reply(DBusPendingCall *call, void *user_data)
739 if (dbus_pending_call_get_completed(call) == FALSE)
744 reply = dbus_pending_call_steal_reply(call);
746 dbus_error_init(&error);
748 if (dbus_set_error_from_message(&error, reply) == TRUE) {
750 * If the returned error is NotFound, it means that we
751 * have actually removed the provider in vpnd already.
753 if (dbus_error_has_name(&error, CONNMAN_ERROR_INTERFACE
754 ".NotFound") == FALSE)
755 connman_error("%s", error.message);
757 dbus_error_free(&error);
760 dbus_message_unref(reply);
762 dbus_pending_call_unref(call);
765 static int provider_remove(struct connman_provider *provider)
767 DBusPendingCall *call;
768 DBusMessage *message;
769 struct connection_data *data;
771 data = connman_provider_get_data(provider);
773 DBG("provider %p data %p", provider, data);
776 * When provider.c:provider_remove() calls this function,
777 * it will remove the provider itself after the call.
778 * This means that we cannot use the provider pointer later
779 * as it is no longer valid.
781 data->provider = NULL;
783 message = dbus_message_new_method_call(VPN_SERVICE, "/",
784 VPN_MANAGER_INTERFACE,
789 dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &data->path,
792 if (dbus_connection_send_with_reply(connection, message,
793 &call, DBUS_TIMEOUT) == FALSE) {
794 connman_error("Unable to call %s.%s()", VPN_MANAGER_INTERFACE,
796 dbus_message_unref(message);
801 dbus_message_unref(message);
805 dbus_pending_call_set_notify(call, remove_connection_reply,
808 dbus_message_unref(message);
813 static int provider_connect(struct connman_provider *provider)
815 struct connection_data *data;
817 data = connman_provider_get_data(provider);
821 return connect_provider(data, NULL);
824 static void disconnect_reply(DBusPendingCall *call, void *user_data)
829 if (dbus_pending_call_get_completed(call) == FALSE)
832 DBG("user %p", user_data);
834 reply = dbus_pending_call_steal_reply(call);
836 dbus_error_init(&error);
838 if (dbus_set_error_from_message(&error, reply) == TRUE) {
839 connman_error("%s", error.message);
840 dbus_error_free(&error);
845 dbus_message_unref(reply);
847 dbus_pending_call_unref(call);
850 static int disconnect_provider(struct connection_data *data)
852 DBusPendingCall *call;
853 DBusMessage *message;
855 DBG("data %p path %s", data, data->path);
857 message = dbus_message_new_method_call(VPN_SERVICE, data->path,
858 VPN_CONNECTION_INTERFACE,
863 if (dbus_connection_send_with_reply(connection, message,
864 &call, DBUS_TIMEOUT) == FALSE) {
865 connman_error("Unable to call %s.%s()",
866 VPN_CONNECTION_INTERFACE, VPN_DISCONNECT);
867 dbus_message_unref(message);
872 dbus_message_unref(message);
876 dbus_pending_call_set_notify(call, disconnect_reply, NULL, NULL);
878 dbus_message_unref(message);
880 connman_provider_set_state(data->provider,
881 CONNMAN_PROVIDER_STATE_DISCONNECT);
883 * We return 0 here instead of -EINPROGRESS because
884 * __connman_service_disconnect() needs to return something
885 * to gdbus so that gdbus will not call Disconnect() more
886 * than once. This way we do not need to pass the dbus reply
887 * message around the code.
892 static int provider_disconnect(struct connman_provider *provider)
894 struct connection_data *data;
896 DBG("provider %p", provider);
898 data = connman_provider_get_data(provider);
902 if (g_str_equal(data->state, "ready") == TRUE ||
903 g_str_equal(data->state, "configuration") == TRUE)
904 return disconnect_provider(data);
909 static void configuration_create_reply(DBusPendingCall *call, void *user_data)
913 DBusMessageIter iter;
914 const char *signature = DBUS_TYPE_OBJECT_PATH_AS_STRING;
917 struct connection_data *data;
918 struct config_create_data *cb_data = user_data;
920 if (dbus_pending_call_get_completed(call) == FALSE)
923 DBG("user %p", cb_data);
925 reply = dbus_pending_call_steal_reply(call);
927 dbus_error_init(&error);
929 if (dbus_set_error_from_message(&error, reply) == TRUE) {
930 connman_error("dbus error: %s", error.message);
931 dbus_error_free(&error);
935 if (dbus_message_has_signature(reply, signature) == FALSE) {
936 connman_error("vpn configuration signature \"%s\" does not "
937 "match expected \"%s\"",
938 dbus_message_get_signature(reply), signature);
942 if (dbus_message_iter_init(reply, &iter) == FALSE)
945 dbus_message_iter_get_basic(&iter, &path);
948 * Then try to connect the VPN as expected by ConnectProvider API
950 ident = get_ident(path);
952 data = g_hash_table_lookup(vpn_connections, ident);
955 * Someone removed the data. We cannot really continue.
957 DBG("Pending data not found for %s, cannot continue!", ident);
960 data->connect_pending = TRUE;
962 if (data->cb_data == NULL)
963 data->cb_data = cb_data;
965 DBG("Connection callback data already in use!");
968 * Connection is created in add_connections() after
969 * we have received the ConnectionAdded signal.
972 DBG("cb %p msg %p", data->cb_data,
973 data->cb_data ? data->cb_data->message : NULL);
977 dbus_message_unref(reply);
979 dbus_pending_call_unref(call);
982 static void set_dbus_ident(char *ident)
984 int i, len = strlen(ident);
986 for (i = 0; i < len; i++) {
987 if (ident[i] >= '0' && ident[i] <= '9')
989 if (ident[i] >= 'a' && ident[i] <= 'z')
991 if (ident[i] >= 'A' && ident[i] <= 'Z')
997 static struct vpn_route *parse_user_route(const char *user_route)
999 char *network, *netmask;
1000 struct vpn_route *route = NULL;
1001 int family = PF_UNSPEC;
1002 char **elems = g_strsplit(user_route, "/", 0);
1008 if (network == NULL || *network == '\0') {
1009 DBG("no network/netmask set");
1014 if (netmask != NULL && *netmask == '\0') {
1015 DBG("no netmask set");
1019 if (g_strrstr(network, ":") != NULL)
1021 else if (g_strrstr(network, ".") != NULL) {
1024 if (g_strrstr(netmask, ".") == NULL) {
1025 /* We have netmask length */
1027 struct in_addr netmask_in;
1028 unsigned char prefix_len = 32;
1030 if (netmask != NULL) {
1032 long int value = strtol(netmask, &ptr, 10);
1033 if (ptr != netmask && *ptr == '\0' &&
1038 addr = 0xffffffff << (32 - prefix_len);
1039 netmask_in.s_addr = htonl(addr);
1040 netmask = inet_ntoa(netmask_in);
1042 DBG("network %s netmask %s", network, netmask);
1046 route = g_try_new(struct vpn_route, 1);
1050 route->network = g_strdup(network);
1051 route->netmask = g_strdup(netmask);
1052 route->gateway = NULL;
1053 route->family = family;
1060 static GSList *get_user_networks(DBusMessageIter *array)
1062 DBusMessageIter entry;
1063 GSList *list = NULL;
1065 dbus_message_iter_recurse(array, &entry);
1067 while (dbus_message_iter_get_arg_type(&entry) == DBUS_TYPE_STRING) {
1069 struct vpn_route *route;
1071 dbus_message_iter_get_basic(&entry, &val);
1073 route = parse_user_route(val);
1075 list = g_slist_prepend(list, route);
1077 dbus_message_iter_next(&entry);
1083 static void append_route(DBusMessageIter *iter, void *user_data)
1085 struct vpn_route *route = user_data;
1086 DBusMessageIter item;
1089 connman_dbus_dict_open(iter, &item);
1094 if (route->family == AF_INET)
1096 else if (route->family == AF_INET6)
1100 connman_dbus_dict_append_basic(&item, "ProtocolFamily",
1101 DBUS_TYPE_INT32, &family);
1103 if (route->network != NULL)
1104 connman_dbus_dict_append_basic(&item, "Network",
1105 DBUS_TYPE_STRING, &route->network);
1107 if (route->netmask != NULL)
1108 connman_dbus_dict_append_basic(&item, "Netmask",
1109 DBUS_TYPE_STRING, &route->netmask);
1111 if (route->gateway != NULL)
1112 connman_dbus_dict_append_basic(&item, "Gateway",
1113 DBUS_TYPE_STRING, &route->gateway);
1116 connman_dbus_dict_close(iter, &item);
1119 static void append_routes(DBusMessageIter *iter, void *user_data)
1121 GSList *list, *routes = user_data;
1123 DBG("routes %p", routes);
1125 for (list = routes; list != NULL; list = g_slist_next(list)) {
1126 DBusMessageIter dict;
1127 struct vpn_route *route = list->data;
1129 dbus_message_iter_open_container(iter, DBUS_TYPE_STRUCT, NULL,
1131 append_route(&dict, route);
1132 dbus_message_iter_close_container(iter, &dict);
1136 static int create_configuration(DBusMessage *msg, connection_ready_cb callback)
1138 DBusMessage *new_msg = NULL;
1139 DBusPendingCall *call;
1140 DBusMessageIter iter, array, new_iter, new_dict;
1141 const char *type = NULL, *name = NULL;
1142 const char *host = NULL, *domain = NULL;
1143 char *ident, *me = NULL;
1146 struct connection_data *data;
1147 struct config_create_data *user_data = NULL;
1148 GSList *networks = NULL;
1151 * We copy the old message data into new message. We cannot
1152 * just use the old message as is because the user route
1153 * information is not in the same format in vpnd.
1155 new_msg = dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_CALL);
1156 dbus_message_iter_init_append(new_msg, &new_iter);
1157 connman_dbus_dict_open(&new_iter, &new_dict);
1159 dbus_message_iter_init(msg, &iter);
1160 dbus_message_iter_recurse(&iter, &array);
1162 while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
1163 DBusMessageIter entry, value;
1168 dbus_message_iter_recurse(&array, &entry);
1169 dbus_message_iter_get_basic(&entry, &key);
1171 dbus_message_iter_next(&entry);
1172 dbus_message_iter_recurse(&entry, &value);
1174 value_type = dbus_message_iter_get_arg_type(&value);
1177 switch (value_type) {
1178 case DBUS_TYPE_STRING:
1179 dbus_message_iter_get_basic(&value, &item_value);
1181 if (g_str_equal(key, "Type") == TRUE) {
1182 type = (const char *)item_value;
1183 } else if (g_str_equal(key, "Name") == TRUE) {
1184 name = (const char *)item_value;
1185 } else if (g_str_equal(key, "Host") == TRUE) {
1186 host = (const char *)item_value;
1187 } else if (g_str_equal(key, "VPN.Domain") == TRUE) {
1188 domain = (const char *)item_value;
1191 DBG("%s %s", key, (char *)item_value);
1193 if (item_value != NULL)
1194 connman_dbus_dict_append_basic(&new_dict, key,
1195 value_type, &item_value);
1197 case DBUS_TYPE_ARRAY:
1198 if (g_str_equal(key, "Networks") == TRUE) {
1199 networks = get_user_networks(&value);
1200 connman_dbus_dict_append_array(&new_dict,
1202 DBUS_TYPE_DICT_ENTRY,
1209 dbus_message_iter_next(&array);
1212 connman_dbus_dict_close(&new_iter, &new_dict);
1214 DBG("VPN type %s name %s host %s domain %s networks %p",
1215 type, name, host, domain, networks);
1217 if (host == NULL || domain == NULL) {
1222 if (type == NULL || name == NULL) {
1227 ident = g_strdup_printf("%s_%s", host, domain);
1228 set_dbus_ident(ident);
1230 DBG("ident %s", ident);
1232 data = g_hash_table_lookup(vpn_connections, ident);
1234 if (data->call != NULL) {
1235 connman_error("Dbus call already pending");
1240 char *path = g_strdup_printf("%s/connection/%s", VPN_PATH,
1242 data = create_connection_data(path);
1250 g_hash_table_insert(vpn_connections, g_strdup(ident), data);
1254 * User called net.connman.Manager.ConnectProvider if we are here.
1255 * So use the data from original message in the new msg.
1257 me = g_strdup(dbus_message_get_destination(msg));
1259 dbus_message_set_interface(new_msg, VPN_MANAGER_INTERFACE);
1260 dbus_message_set_path(new_msg, "/");
1261 dbus_message_set_destination(new_msg, VPN_SERVICE);
1262 dbus_message_set_sender(new_msg, me);
1263 dbus_message_set_member(new_msg, "Create");
1265 result = dbus_connection_send_with_reply(connection, new_msg,
1266 &call, DBUS_TIMEOUT);
1267 if (result == FALSE || call == NULL) {
1272 if (data->cb_data == NULL) {
1273 user_data = g_try_new(struct config_create_data, 1);
1274 if (user_data != NULL) {
1275 user_data->callback = callback;
1276 user_data->message = dbus_message_ref(msg);
1277 user_data->path = NULL;
1279 DBG("cb %p msg %p", user_data, msg);
1282 DBG("Configuration callback data already pending, "
1283 "discarding new data.");
1286 dbus_pending_call_set_notify(call, configuration_create_reply,
1291 if (new_msg != NULL)
1292 dbus_message_unref(new_msg);
1294 if (networks != NULL)
1295 g_slist_free_full(networks, destroy_route);
1301 static connman_bool_t check_host(char **hosts, char *host)
1308 for (i = 0; hosts[i] != NULL; i++) {
1309 if (g_strcmp0(hosts[i], host) == 0)
1316 static void set_route(struct connection_data *data, struct vpn_route *route)
1319 * If the VPN administrator/user has given a route to
1320 * VPN server, then we must discard that because the
1321 * server cannot be contacted via VPN tunnel.
1323 if (check_host(data->host_ip, route->network) == TRUE) {
1324 DBG("Discarding VPN route to %s via %s at index %d",
1325 route->network, route->gateway, data->index);
1329 if (route->family == AF_INET6) {
1330 unsigned char prefix_len = atoi(route->netmask);
1332 connman_inet_add_ipv6_network_route(data->index,
1337 connman_inet_add_network_route(data->index, route->network,
1343 static int set_routes(struct connman_provider *provider,
1344 enum connman_provider_route_type type)
1346 struct connection_data *data;
1347 GHashTableIter iter;
1348 gpointer value, key;
1350 DBG("provider %p", provider);
1352 data = connman_provider_get_data(provider);
1356 if (type == CONNMAN_PROVIDER_ROUTE_ALL ||
1357 type == CONNMAN_PROVIDER_ROUTE_USER) {
1358 g_hash_table_iter_init(&iter, data->user_routes);
1360 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE)
1361 set_route(data, value);
1364 if (type == CONNMAN_PROVIDER_ROUTE_ALL ||
1365 type == CONNMAN_PROVIDER_ROUTE_SERVER) {
1366 g_hash_table_iter_init(&iter, data->server_routes);
1368 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE)
1369 set_route(data, value);
1375 static connman_bool_t check_routes(struct connman_provider *provider)
1377 struct connection_data *data;
1379 DBG("provider %p", provider);
1381 data = connman_provider_get_data(provider);
1385 if (data->user_routes != NULL &&
1386 g_hash_table_size(data->user_routes) > 0)
1389 if (data->server_routes != NULL &&
1390 g_hash_table_size(data->server_routes) > 0)
1396 static struct connman_provider_driver provider_driver = {
1398 .type = CONNMAN_PROVIDER_TYPE_VPN,
1399 .probe = provider_probe,
1400 .remove = provider_remove,
1401 .connect = provider_connect,
1402 .disconnect = provider_disconnect,
1403 .set_property = set_string,
1404 .get_property = get_string,
1405 .create = create_configuration,
1406 .set_routes = set_routes,
1407 .check_routes = check_routes,
1410 static void destroy_provider(struct connection_data *data)
1412 DBG("data %p", data);
1414 if (g_str_equal(data->state, "ready") == TRUE ||
1415 g_str_equal(data->state, "configuration") == TRUE)
1416 connman_provider_disconnect(data->provider);
1418 if (data->call != NULL)
1419 dbus_pending_call_cancel(data->call);
1421 connman_provider_put(data->provider);
1423 data->provider = NULL;
1426 static void connection_destroy(gpointer hash_data)
1428 struct connection_data *data = hash_data;
1430 DBG("data %p", data);
1432 if (data->provider != NULL)
1433 destroy_provider(data);
1436 g_free(data->ident);
1437 g_free(data->state);
1441 g_free(data->domain);
1442 g_hash_table_destroy(data->server_routes);
1443 g_hash_table_destroy(data->user_routes);
1444 g_strfreev(data->nameservers);
1445 g_hash_table_destroy(data->setting_strings);
1446 connman_ipaddress_free(data->ip);
1448 cancel_host_resolv(data);
1453 static void vpnd_created(DBusConnection *conn, void *user_data)
1455 DBG("connection %p", conn);
1457 get_connections(user_data);
1460 static void vpnd_removed(DBusConnection *conn, void *user_data)
1462 DBG("connection %p", conn);
1464 g_hash_table_remove_all(vpn_connections);
1467 static void remove_connection(DBusConnection *conn, const char *path)
1469 DBG("path %s", path);
1471 g_hash_table_remove(vpn_connections, get_ident(path));
1474 static gboolean connection_removed(DBusConnection *conn, DBusMessage *message,
1478 const char *signature = DBUS_TYPE_OBJECT_PATH_AS_STRING;
1480 if (dbus_message_has_signature(message, signature) == FALSE) {
1481 connman_error("vpn removed signature \"%s\" does not match "
1483 dbus_message_get_signature(message), signature);
1487 dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &path,
1489 remove_connection(conn, path);
1493 static gboolean connection_added(DBusConnection *conn, DBusMessage *message,
1496 DBusMessageIter iter, properties;
1498 const char *signature = DBUS_TYPE_OBJECT_PATH_AS_STRING
1499 DBUS_TYPE_ARRAY_AS_STRING
1500 DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
1501 DBUS_TYPE_STRING_AS_STRING
1502 DBUS_TYPE_VARIANT_AS_STRING
1503 DBUS_DICT_ENTRY_END_CHAR_AS_STRING;
1505 if (dbus_message_has_signature(message, signature) == FALSE) {
1506 connman_error("vpn ConnectionAdded signature \"%s\" does not "
1507 "match expected \"%s\"",
1508 dbus_message_get_signature(message), signature);
1514 if (dbus_message_iter_init(message, &iter) == FALSE)
1517 dbus_message_iter_get_basic(&iter, &path);
1519 dbus_message_iter_next(&iter);
1520 dbus_message_iter_recurse(&iter, &properties);
1522 add_connection(path, &properties, user_data);
1527 static int save_route(GHashTable *routes, int family, const char *network,
1528 const char *netmask, const char *gateway)
1530 struct vpn_route *route;
1531 char *key = g_strdup_printf("%d/%s/%s", family, network, netmask);
1533 DBG("family %d network %s netmask %s", family, network, netmask);
1535 route = g_hash_table_lookup(routes, key);
1536 if (route == NULL) {
1537 route = g_try_new0(struct vpn_route, 1);
1538 if (route == NULL) {
1539 connman_error("out of memory");
1543 route->family = family;
1544 route->network = g_strdup(network);
1545 route->netmask = g_strdup(netmask);
1546 route->gateway = g_strdup(gateway);
1548 g_hash_table_replace(routes, key, route);
1555 static int read_route_dict(GHashTable *routes, DBusMessageIter *dicts)
1557 DBusMessageIter dict;
1558 const char *network, *netmask, *gateway;
1561 dbus_message_iter_recurse(dicts, &dict);
1563 network = netmask = gateway = NULL;
1566 while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1568 DBusMessageIter entry, value;
1571 dbus_message_iter_recurse(&dict, &entry);
1572 dbus_message_iter_get_basic(&entry, &key);
1574 dbus_message_iter_next(&entry);
1575 dbus_message_iter_recurse(&entry, &value);
1577 if (g_str_equal(key, "ProtocolFamily") == TRUE) {
1579 dbus_message_iter_get_basic(&value, &pf);
1588 DBG("family %d", family);
1589 } else if (g_str_equal(key, "Netmask") == TRUE) {
1590 dbus_message_iter_get_basic(&value, &netmask);
1591 DBG("netmask %s", netmask);
1592 } else if (g_str_equal(key, "Network") == TRUE) {
1593 dbus_message_iter_get_basic(&value, &network);
1594 DBG("host %s", network);
1595 } else if (g_str_equal(key, "Gateway") == TRUE) {
1596 dbus_message_iter_get_basic(&value, &gateway);
1597 DBG("gateway %s", gateway);
1600 dbus_message_iter_next(&dict);
1603 if (netmask == NULL || network == NULL || gateway == NULL) {
1604 DBG("Value missing.");
1608 return save_route(routes, family, network, netmask, gateway);
1611 static int routes_changed(DBusMessageIter *array, GHashTable *routes)
1613 DBusMessageIter entry;
1616 if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY) {
1617 DBG("Expecting array, ignoring routes.");
1621 while (dbus_message_iter_get_arg_type(array) == DBUS_TYPE_ARRAY) {
1623 dbus_message_iter_recurse(array, &entry);
1625 while (dbus_message_iter_get_arg_type(&entry) ==
1627 DBusMessageIter dicts;
1629 dbus_message_iter_recurse(&entry, &dicts);
1631 while (dbus_message_iter_get_arg_type(&dicts) ==
1633 int err = read_route_dict(routes, &dicts);
1636 dbus_message_iter_next(&dicts);
1639 dbus_message_iter_next(&entry);
1642 dbus_message_iter_next(array);
1648 static gboolean property_changed(DBusConnection *conn,
1649 DBusMessage *message,
1652 const char *path = dbus_message_get_path(message);
1653 struct connection_data *data = NULL;
1654 DBusMessageIter iter, value;
1655 connman_bool_t ip_set = FALSE;
1659 const char *signature = DBUS_TYPE_STRING_AS_STRING
1660 DBUS_TYPE_VARIANT_AS_STRING;
1662 if (dbus_message_has_signature(message, signature) == FALSE) {
1663 connman_error("vpn property signature \"%s\" does not match "
1665 dbus_message_get_signature(message), signature);
1669 data = g_hash_table_lookup(vpn_connections, get_ident(path));
1673 if (dbus_message_iter_init(message, &iter) == FALSE)
1676 dbus_message_iter_get_basic(&iter, &key);
1678 dbus_message_iter_next(&iter);
1679 dbus_message_iter_recurse(&iter, &value);
1683 if (g_str_equal(key, "State") == TRUE) {
1684 dbus_message_iter_get_basic(&value, &str);
1686 DBG("%s %s -> %s", data->path, data->state, str);
1688 if (g_str_equal(data->state, str) == TRUE)
1691 g_free(data->state);
1692 data->state = g_strdup(str);
1694 set_provider_state(data);
1695 } else if (g_str_equal(key, "Index") == TRUE) {
1696 dbus_message_iter_get_basic(&value, &data->index);
1697 connman_provider_set_index(data->provider, data->index);
1698 } else if (g_str_equal(key, "IPv4") == TRUE) {
1699 err = extract_ip(&value, AF_INET, data);
1701 } else if (g_str_equal(key, "IPv6") == TRUE) {
1702 err = extract_ip(&value, AF_INET6, data);
1704 } else if (g_str_equal(key, "ServerRoutes") == TRUE) {
1705 err = routes_changed(&value, data->server_routes);
1707 * Note that the vpnd will delay the route sending a bit
1708 * (in order to collect the routes from VPN client),
1709 * so we might have got the State changed property before
1710 * we got ServerRoutes. This means that we must try to set
1711 * the routes here because they would be left unset otherwise.
1714 set_routes(data->provider,
1715 CONNMAN_PROVIDER_ROUTE_SERVER);
1716 } else if (g_str_equal(key, "UserRoutes") == TRUE) {
1717 err = routes_changed(&value, data->user_routes);
1719 set_routes(data->provider,
1720 CONNMAN_PROVIDER_ROUTE_USER);
1721 } else if (g_str_equal(key, "Nameservers") == TRUE) {
1722 extract_nameservers(&value, data);
1725 if (ip_set == TRUE && err == 0) {
1726 err = connman_provider_set_ipaddress(data->provider, data->ip);
1728 DBG("setting provider IP address failed (%s/%d)",
1729 strerror(-err), -err);
1735 static int vpn_init(void)
1739 connection = connman_dbus_get_connection();
1740 if (connection == NULL)
1743 watch = g_dbus_add_service_watch(connection, VPN_SERVICE,
1744 vpnd_created, vpnd_removed, &provider_driver, NULL);
1746 added_watch = g_dbus_add_signal_watch(connection, VPN_SERVICE, NULL,
1747 VPN_MANAGER_INTERFACE,
1748 CONNECTION_ADDED, connection_added,
1749 &provider_driver, NULL);
1751 removed_watch = g_dbus_add_signal_watch(connection, VPN_SERVICE, NULL,
1752 VPN_MANAGER_INTERFACE,
1753 CONNECTION_REMOVED, connection_removed,
1756 property_watch = g_dbus_add_signal_watch(connection, VPN_SERVICE, NULL,
1757 VPN_CONNECTION_INTERFACE,
1758 PROPERTY_CHANGED, property_changed,
1761 if (added_watch == 0 || removed_watch == 0 || property_watch == 0) {
1766 err = connman_provider_driver_register(&provider_driver);
1768 vpn_connections = g_hash_table_new_full(g_str_hash,
1770 g_free, connection_destroy);
1772 vpnd_created(connection, &provider_driver);
1778 g_dbus_remove_watch(connection, watch);
1779 g_dbus_remove_watch(connection, added_watch);
1780 g_dbus_remove_watch(connection, removed_watch);
1781 g_dbus_remove_watch(connection, property_watch);
1783 dbus_connection_unref(connection);
1788 static void vpn_exit(void)
1790 g_dbus_remove_watch(connection, watch);
1791 g_dbus_remove_watch(connection, added_watch);
1792 g_dbus_remove_watch(connection, removed_watch);
1793 g_dbus_remove_watch(connection, property_watch);
1795 connman_provider_driver_unregister(&provider_driver);
1797 if (vpn_connections != NULL)
1798 g_hash_table_destroy(vpn_connections);
1800 dbus_connection_unref(connection);
1803 CONNMAN_PLUGIN_DEFINE(vpn, "VPN plugin", VERSION,
1804 CONNMAN_PLUGIN_PRIORITY_DEFAULT, vpn_init, vpn_exit)