src/provider.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2010  Intel Corporation. All rights reserved.
   6  *
   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.
  10  *
  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.
  15  *
  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
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <errno.h>
  27 #include <stdio.h>
  28 #include <string.h>
  29 #include <stdlib.h>
  30 #include <gdbus.h>
  31
  32 #include "connman.h"
  33
  34 static DBusConnection *connection = NULL;
  35
  36 static GHashTable *provider_hash = NULL;
  37
  38 static GSList *driver_list = NULL;
  39
  40 struct connman_route {
  41         int family;
  42         char *host;
  43         char *netmask;
  44         char *gateway;
  45 };
  46
  47 struct connman_provider {
  48         gint refcount;
  49         struct connman_service *vpn_service;
  50         int index;
  51         char *identifier;
  52         char *name;
  53         char *type;
  54         char *host;
  55         char *domain;
  56         int family;
  57         GHashTable *routes;
  58         struct connman_provider_driver *driver;
  59         void *driver_data;
  60         GHashTable *setting_strings;
  61 };
  62
  63 void __connman_provider_append_properties(struct connman_provider *provider,
  64                                                         DBusMessageIter *iter)
  65 {
  66         if (provider->host != NULL)
  67                 connman_dbus_dict_append_basic(iter, "Host",
  68                                         DBUS_TYPE_STRING, &provider->host);
  69
  70         if (provider->domain != NULL)
  71                 connman_dbus_dict_append_basic(iter, "Domain",
  72                                         DBUS_TYPE_STRING, &provider->domain);
  73
  74         if (provider->type != NULL)
  75                 connman_dbus_dict_append_basic(iter, "Type", DBUS_TYPE_STRING,
  76                                                  &provider->type);
  77 }
  78
  79 static struct connman_provider *connman_provider_lookup(const char *identifier)
  80 {
  81         struct connman_provider *provider = NULL;
  82
  83         provider = g_hash_table_lookup(provider_hash, identifier);
  84
  85         return provider;
  86 }
  87
  88 static gboolean match_driver(struct connman_provider *provider,
  89                                 struct connman_provider_driver *driver)
  90 {
  91         if (g_strcmp0(driver->name, provider->type) == 0)
  92                 return TRUE;
  93
  94         return FALSE;
  95 }
  96
  97 static int provider_probe(struct connman_provider *provider)
  98 {
  99         GSList *list;
 100
 101         DBG("provider %p name %s", provider, provider->name);
 102
 103         if (provider->driver != NULL)
 104                 return -EALREADY;
 105
 106         for (list = driver_list; list; list = list->next) {
 107                 struct connman_provider_driver *driver = list->data;
 108
 109                 if (match_driver(provider, driver) == FALSE)
 110                         continue;
 111
 112                 DBG("driver %p name %s", driver, driver->name);
 113
 114                 if (driver->probe != NULL && driver->probe(provider) == 0) {
 115                         provider->driver = driver;
 116                         break;
 117                 }
 118         }
 119
 120         if (provider->driver == NULL)
 121                 return -ENODEV;
 122
 123         return 0;
 124 }
 125
 126 static void provider_remove(struct connman_provider *provider)
 127 {
 128         if (provider->driver != NULL) {
 129                 provider->driver->remove(provider);
 130                 provider->driver = NULL;
 131         }
 132 }
 133
 134 static int provider_register(struct connman_provider *provider)
 135 {
 136         return provider_probe(provider);
 137 }
 138
 139 static void provider_unregister(struct connman_provider *provider)
 140 {
 141         provider_remove(provider);
 142 }
 143
 144 struct connman_provider *connman_provider_ref(struct connman_provider *provider)
 145 {
 146         DBG("provider %p", provider);
 147
 148         g_atomic_int_inc(&provider->refcount);
 149
 150         return provider;
 151 }
 152
 153 static void provider_destruct(struct connman_provider *provider)
 154 {
 155         DBG("provider %p", provider);
 156
 157         g_free(provider->name);
 158         g_free(provider->type);
 159         g_free(provider->host);
 160         g_free(provider->domain);
 161         g_free(provider->identifier);
 162         g_hash_table_destroy(provider->routes);
 163         g_hash_table_destroy(provider->setting_strings);
 164 }
 165
 166 void connman_provider_unref(struct connman_provider *provider)
 167 {
 168         DBG("provider %p", provider);
 169
 170         if (g_atomic_int_dec_and_test(&provider->refcount) == FALSE)
 171                 return;
 172
 173         provider_remove(provider);
 174
 175         provider_destruct(provider);
 176 }
 177
 178 static int provider_indicate_state(struct connman_provider *provider,
 179                                         enum connman_service_state state)
 180 {
 181         DBG("state %d", state);
 182
 183         __connman_service_indicate_state(provider->vpn_service, state,
 184                                         CONNMAN_IPCONFIG_TYPE_IPV4);
 185
 186         return __connman_service_indicate_state(provider->vpn_service, state,
 187                                         CONNMAN_IPCONFIG_TYPE_IPV6);
 188 }
 189
 190 int __connman_provider_disconnect(struct connman_provider *provider)
 191 {
 192         int err;
 193
 194         DBG("provider %p", provider);
 195
 196         if (provider->driver != NULL && provider->driver->disconnect != NULL)
 197                 err = provider->driver->disconnect(provider);
 198         else
 199                 return -EOPNOTSUPP;
 200
 201         if (provider->vpn_service != NULL)
 202                 provider_indicate_state(provider,
 203                                         CONNMAN_SERVICE_STATE_DISCONNECT);
 204
 205         if (err < 0) {
 206                 if (err != -EINPROGRESS)
 207                         return err;
 208
 209                 return -EINPROGRESS;
 210         }
 211
 212         return 0;
 213 }
 214
 215 int __connman_provider_connect(struct connman_provider *provider)
 216 {
 217         int err;
 218
 219         DBG("provider %p", provider);
 220
 221         if (provider->driver != NULL && provider->driver->connect != NULL)
 222                 err = provider->driver->connect(provider);
 223         else
 224                 return -EOPNOTSUPP;
 225
 226         if (err < 0) {
 227                 if (err != -EINPROGRESS)
 228                         return err;
 229
 230                 provider_indicate_state(provider,
 231                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 232
 233                 return -EINPROGRESS;
 234         }
 235
 236         return 0;
 237 }
 238
 239 int __connman_provider_remove(const char *path)
 240 {
 241         struct connman_provider *provider;
 242         GHashTableIter iter;
 243         gpointer value, key;
 244
 245         DBG("path %s", path);
 246
 247         g_hash_table_iter_init(&iter, provider_hash);
 248         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
 249                 const char *srv_path;
 250                 provider = value;
 251
 252                 if (provider->vpn_service == NULL)
 253                         continue;
 254
 255                 srv_path = __connman_service_get_path(provider->vpn_service);
 256
 257                 if (g_strcmp0(srv_path, path) == 0) {
 258                         DBG("Removing VPN %s", provider->identifier);
 259
 260                         provider_unregister(provider);
 261                         g_hash_table_remove(provider_hash,
 262                                                 provider->identifier);
 263                         return 0;
 264                 }
 265         }
 266
 267         return -ENXIO;
 268 }
 269
 270 static void provider_append_routes(gpointer key, gpointer value,
 271                                         gpointer user_data)
 272 {
 273         struct connman_route *route = value;
 274         struct connman_provider *provider = user_data;
 275         int index = provider->index;
 276
 277         if (route->family == AF_INET6) {
 278                 unsigned char prefix_len = atoi(route->netmask);
 279
 280                 connman_inet_add_ipv6_network_route(index, route->host,
 281                                                         route->gateway,
 282                                                         prefix_len);
 283         } else {
 284                 connman_inet_add_network_route(index, route->host,
 285                                                 route->gateway,
 286                                                 route->netmask);
 287         }
 288 }
 289
 290 static int set_connected(struct connman_provider *provider,
 291                                         connman_bool_t connected)
 292 {
 293         struct connman_service *service = provider->vpn_service;
 294         struct connman_ipconfig *ipconfig;
 295
 296         if (service == NULL)
 297                 return -ENODEV;
 298
 299         ipconfig = __connman_service_get_ipconfig(service, provider->family);
 300
 301         if (connected == TRUE) {
 302                 if (ipconfig == NULL) {
 303                         provider_indicate_state(provider,
 304                                                 CONNMAN_SERVICE_STATE_FAILURE);
 305                         return -EIO;
 306                 }
 307
 308                 __connman_ipconfig_address_add(ipconfig);
 309                 __connman_ipconfig_gateway_add(ipconfig);
 310
 311                 provider_indicate_state(provider,
 312                                         CONNMAN_SERVICE_STATE_READY);
 313
 314                 g_hash_table_foreach(provider->routes, provider_append_routes,
 315                                         provider);
 316
 317         } else {
 318                 if (ipconfig != NULL) {
 319                         provider_indicate_state(provider,
 320                                         CONNMAN_SERVICE_STATE_DISCONNECT);
 321                         __connman_ipconfig_gateway_remove(ipconfig);
 322                 }
 323
 324                 provider_indicate_state(provider,
 325                                         CONNMAN_SERVICE_STATE_IDLE);
 326         }
 327
 328         return 0;
 329 }
 330
 331 int connman_provider_set_state(struct connman_provider *provider,
 332                                         enum connman_provider_state state)
 333 {
 334         if (provider == NULL || provider->vpn_service == NULL)
 335                 return -EINVAL;
 336
 337         switch (state) {
 338         case CONNMAN_PROVIDER_STATE_UNKNOWN:
 339                 return -EINVAL;
 340         case CONNMAN_PROVIDER_STATE_IDLE:
 341                 return set_connected(provider, FALSE);
 342         case CONNMAN_PROVIDER_STATE_CONNECT:
 343                 return provider_indicate_state(provider,
 344                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 345         case CONNMAN_PROVIDER_STATE_READY:
 346                 return set_connected(provider, TRUE);
 347         case CONNMAN_PROVIDER_STATE_DISCONNECT:
 348                 return provider_indicate_state(provider,
 349                                         CONNMAN_SERVICE_STATE_DISCONNECT);
 350         case CONNMAN_PROVIDER_STATE_FAILURE:
 351                 return provider_indicate_state(provider,
 352                                         CONNMAN_SERVICE_STATE_FAILURE);
 353         }
 354
 355         return -EINVAL;
 356 }
 357
 358 int connman_provider_indicate_error(struct connman_provider *provider,
 359                                         enum connman_provider_error error)
 360 {
 361         enum connman_service_error service_error;
 362
 363         switch (error) {
 364         case CONNMAN_PROVIDER_ERROR_LOGIN_FAILED:
 365                 service_error = CONNMAN_SERVICE_ERROR_LOGIN_FAILED;
 366                 break;
 367         case CONNMAN_PROVIDER_ERROR_AUTH_FAILED:
 368                 service_error = CONNMAN_SERVICE_ERROR_AUTH_FAILED;
 369                 break;
 370         case CONNMAN_PROVIDER_ERROR_CONNECT_FAILED:
 371                 service_error = CONNMAN_SERVICE_ERROR_CONNECT_FAILED;
 372                 break;
 373         default:
 374                 service_error = CONNMAN_SERVICE_ERROR_UNKNOWN;
 375                 break;
 376         }
 377
 378         return __connman_service_indicate_error(provider->vpn_service,
 379                                                         service_error);
 380 }
 381
 382 static void unregister_provider(gpointer data)
 383 {
 384         struct connman_provider *provider = data;
 385         struct connman_service *service = provider->vpn_service;
 386
 387         DBG("provider %p", provider);
 388
 389         provider->vpn_service = NULL;
 390         __connman_service_put(service);
 391
 392         connman_provider_unref(provider);
 393 }
 394
 395 static void destroy_route(gpointer user_data)
 396 {
 397         struct connman_route *route = user_data;
 398
 399         g_free(route->host);
 400         g_free(route->netmask);
 401         g_free(route->gateway);
 402         g_free(route);
 403 }
 404
 405 static void provider_initialize(struct connman_provider *provider)
 406 {
 407         DBG("provider %p", provider);
 408
 409         provider->index = 0;
 410         provider->name = NULL;
 411         provider->type = NULL;
 412         provider->domain = NULL;
 413         provider->identifier = NULL;
 414         provider->routes = g_hash_table_new_full(g_direct_hash, g_direct_equal,
 415                                         NULL, destroy_route);
 416         provider->setting_strings = g_hash_table_new_full(g_str_hash, g_str_equal,
 417                                                         g_free, g_free);
 418 }
 419
 420 static struct connman_provider *connman_provider_new(void)
 421 {
 422         struct connman_provider *provider;
 423
 424         provider = g_try_new0(struct connman_provider, 1);
 425         if (provider == NULL)
 426                 return NULL;
 427
 428         provider->refcount = 1;
 429
 430         DBG("provider %p", provider);
 431         provider_initialize(provider);
 432
 433         return provider;
 434 }
 435
 436 static struct connman_provider *connman_provider_get(const char *identifier)
 437 {
 438         struct connman_provider *provider;
 439
 440         provider = g_hash_table_lookup(provider_hash, identifier);
 441         if (provider != NULL)
 442                 return provider;
 443
 444         provider = connman_provider_new();
 445         if (provider == NULL)
 446                 return NULL;
 447
 448         DBG("provider %p", provider);
 449
 450         provider->identifier = g_strdup(identifier);
 451
 452         g_hash_table_insert(provider_hash, provider->identifier, provider);
 453
 454         provider->name = g_strdup(identifier);
 455
 456         return provider;
 457 }
 458
 459 static void provider_dbus_ident(char *ident)
 460 {
 461         int i, len = strlen(ident);
 462
 463         for (i = 0; i < len; i++) {
 464                 if (ident[i] >= '0' && ident[i] <= '9')
 465                         continue;
 466                 if (ident[i] >= 'a' && ident[i] <= 'z')
 467                         continue;
 468                 if (ident[i] >= 'A' && ident[i] <= 'Z')
 469                         continue;
 470                 ident[i] = '_';
 471         }
 472 }
 473
 474 int __connman_provider_create_and_connect(DBusMessage *msg)
 475 {
 476         struct connman_provider *provider;
 477         DBusMessageIter iter, array;
 478         const char *type = NULL, *name = NULL, *service_path = NULL;
 479         const char *host = NULL, *domain = NULL;
 480         char *ident;
 481         gboolean created = FALSE;
 482         int err;
 483
 484         dbus_message_iter_init(msg, &iter);
 485         dbus_message_iter_recurse(&iter, &array);
 486
 487         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 488                 DBusMessageIter entry, value;
 489                 const char *key;
 490
 491                 dbus_message_iter_recurse(&array, &entry);
 492                 dbus_message_iter_get_basic(&entry, &key);
 493
 494                 dbus_message_iter_next(&entry);
 495                 dbus_message_iter_recurse(&entry, &value);
 496
 497                 switch (dbus_message_iter_get_arg_type(&value)) {
 498                 case DBUS_TYPE_STRING:
 499                         if (g_str_equal(key, "Type") == TRUE)
 500                                 dbus_message_iter_get_basic(&value, &type);
 501                         else if (g_str_equal(key, "Name") == TRUE)
 502                                 dbus_message_iter_get_basic(&value, &name);
 503                         else if (g_str_equal(key, "Host") == TRUE)
 504                                 dbus_message_iter_get_basic(&value, &host);
 505                         else if (g_str_equal(key, "VPN.Domain") == TRUE)
 506                                 dbus_message_iter_get_basic(&value, &domain);
 507                         break;
 508                 }
 509
 510                 dbus_message_iter_next(&array);
 511         }
 512
 513         if (host == NULL || domain == NULL) {
 514                 err = -EINVAL;
 515                 goto failed;
 516         }
 517
 518         DBG("Type %s name %s", type, name);
 519
 520         if (type == NULL || name == NULL) {
 521                 err = -EOPNOTSUPP;
 522                 goto failed;
 523         }
 524
 525         ident = g_strdup_printf("%s_%s", host, domain);
 526         provider_dbus_ident(ident);
 527
 528         DBG("ident %s", ident);
 529
 530         provider = connman_provider_lookup(ident);
 531
 532         if (provider == NULL) {
 533                 created = TRUE;
 534                 provider = connman_provider_get(ident);
 535                 if (provider) {
 536                         provider->host = g_strdup(host);
 537                         provider->domain = g_strdup(domain);
 538                         provider->name = g_strdup(name);
 539                         provider->type = g_strdup(type);
 540                 }
 541
 542                 provider_register(provider);
 543         }
 544
 545         if (provider == NULL) {
 546                 DBG("can not create provider");
 547                 err = -EOPNOTSUPP;
 548                 goto failed;
 549         }
 550         dbus_message_iter_init(msg, &iter);
 551         dbus_message_iter_recurse(&iter, &array);
 552
 553         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 554                 DBusMessageIter entry, value;
 555                 const char *key, *str;
 556
 557                 dbus_message_iter_recurse(&array, &entry);
 558                 dbus_message_iter_get_basic(&entry, &key);
 559
 560                 dbus_message_iter_next(&entry);
 561                 dbus_message_iter_recurse(&entry, &value);
 562
 563                 switch (dbus_message_iter_get_arg_type(&value)) {
 564                 case DBUS_TYPE_STRING:
 565                         dbus_message_iter_get_basic(&value, &str);
 566                         connman_provider_set_string(provider, key, str);
 567                         break;
 568                 }
 569
 570                 dbus_message_iter_next(&array);
 571         }
 572
 573         g_free(ident);
 574
 575         if (provider->vpn_service == NULL)
 576                 provider->vpn_service =
 577                         __connman_service_create_from_provider(provider);
 578         if (provider->vpn_service == NULL) {
 579                 err = -EOPNOTSUPP;
 580                 goto failed;
 581         }
 582
 583         err = __connman_service_connect(provider->vpn_service);
 584         if (err < 0 && err != -EINPROGRESS)
 585                 goto failed;
 586
 587         service_path = __connman_service_get_path(provider->vpn_service);
 588         g_dbus_send_reply(connection, msg,
 589                                 DBUS_TYPE_OBJECT_PATH, &service_path,
 590                                                         DBUS_TYPE_INVALID);
 591         return 0;
 592
 593 failed:
 594         if (provider != NULL && created == TRUE) {
 595                 DBG("can not connect delete provider");
 596                 connman_provider_unref(provider);
 597
 598                 if (provider->vpn_service != NULL) {
 599                         __connman_service_put(provider->vpn_service);
 600                         provider->vpn_service = NULL;
 601                 }
 602         }
 603
 604         return err;
 605 }
 606
 607 const char * __connman_provider_get_ident(struct connman_provider *provider)
 608 {
 609         if (provider == NULL)
 610                 return NULL;
 611
 612         return provider->identifier;
 613 }
 614
 615 int connman_provider_set_string(struct connman_provider *provider,
 616                                         const char *key, const char *value)
 617 {
 618         DBG("provider %p key %s value %s", provider, key, value);
 619
 620         if (g_str_equal(key, "Type") == TRUE) {
 621                 g_free(provider->type);
 622                 provider->type = g_strdup(value);
 623         } else if (g_str_equal(key, "Name") == TRUE) {
 624                 g_free(provider->name);
 625                 provider->name = g_strdup(value);
 626         } else if (g_str_equal(key, "Host") == TRUE) {
 627                 g_free(provider->host);
 628                 provider->host = g_strdup(value);
 629         } else if (g_str_equal(key, "VPN.Domain") == TRUE) {
 630                 g_free(provider->domain);
 631                 provider->domain = g_strdup(value);
 632         } else
 633                 g_hash_table_replace(provider->setting_strings,
 634                                 g_strdup(key), g_strdup(value));
 635         return 0;
 636 }
 637
 638 const char *connman_provider_get_string(struct connman_provider *provider,
 639                                                         const char *key)
 640 {
 641         DBG("provider %p key %s", provider, key);
 642
 643         if (g_str_equal(key, "Type") == TRUE)
 644                 return provider->type;
 645         else if (g_str_equal(key, "Name") == TRUE)
 646                 return provider->name;
 647
 648         return g_hash_table_lookup(provider->setting_strings, key);
 649 }
 650
 651 void *connman_provider_get_data(struct connman_provider *provider)
 652 {
 653         return provider->driver_data;
 654 }
 655
 656 void connman_provider_set_data(struct connman_provider *provider, void *data)
 657 {
 658         provider->driver_data = data;
 659 }
 660
 661 void connman_provider_set_index(struct connman_provider *provider, int index)
 662 {
 663         struct connman_service *service = provider->vpn_service;
 664         struct connman_ipconfig *ipconfig;
 665
 666         DBG("");
 667
 668         if (service == NULL)
 669                 return;
 670
 671         ipconfig = __connman_service_get_ip4config(service);
 672
 673         if (ipconfig == NULL) {
 674                 __connman_service_create_ip4config(service, index);
 675
 676                 ipconfig = __connman_service_get_ip4config(service);
 677                 if (ipconfig == NULL) {
 678                         DBG("Couldnt create ipconfig");
 679                         goto done;
 680                 }
 681         }
 682
 683         connman_ipconfig_set_method(ipconfig, CONNMAN_IPCONFIG_METHOD_FIXED);
 684         __connman_ipconfig_set_index(ipconfig, index);
 685
 686
 687         ipconfig = __connman_service_get_ip6config(service);
 688
 689         if (ipconfig == NULL) {
 690                 __connman_service_create_ip6config(service, index);
 691
 692                 ipconfig = __connman_service_get_ip6config(service);
 693                 if (ipconfig == NULL) {
 694                         DBG("Couldnt create ipconfig for IPv6");
 695                         goto done;
 696                 }
 697         }
 698
 699         connman_ipconfig_set_method(ipconfig, CONNMAN_IPCONFIG_METHOD_OFF);
 700         __connman_ipconfig_set_index(ipconfig, index);
 701
 702 done:
 703         provider->index = index;
 704 }
 705
 706 int connman_provider_get_index(struct connman_provider *provider)
 707 {
 708         return provider->index;
 709 }
 710
 711 int connman_provider_set_ipaddress(struct connman_provider *provider,
 712                                         struct connman_ipaddress *ipaddress)
 713 {
 714         struct connman_ipconfig *ipconfig = NULL;
 715
 716         ipconfig = __connman_service_get_ipconfig(provider->vpn_service,
 717                                                         ipaddress->family);
 718         if (ipconfig == NULL)
 719                 return -EINVAL;
 720
 721         provider->family = ipaddress->family;
 722
 723         __connman_ipconfig_set_local(ipconfig, ipaddress->local);
 724         __connman_ipconfig_set_peer(ipconfig, ipaddress->peer);
 725         __connman_ipconfig_set_broadcast(ipconfig, ipaddress->broadcast);
 726         __connman_ipconfig_set_gateway(ipconfig, ipaddress->gateway);
 727         __connman_ipconfig_set_prefixlen(ipconfig, ipaddress->prefixlen);
 728
 729         return 0;
 730 }
 731
 732 int connman_provider_set_pac(struct connman_provider *provider, const char *pac)
 733 {
 734         DBG("provider %p pac %s", provider, pac);
 735
 736         __connman_service_set_pac(provider->vpn_service, pac);
 737
 738         return 0;
 739 }
 740
 741
 742 int connman_provider_set_domain(struct connman_provider *provider,
 743                                         const char *domain)
 744 {
 745         DBG("provider %p domain %s", provider, domain);
 746
 747         g_free(provider->domain);
 748         provider->domain = g_strdup(domain);
 749
 750         __connman_service_set_domainname(provider->vpn_service, domain);
 751
 752         return 0;
 753 }
 754
 755 int connman_provider_set_nameservers(struct connman_provider *provider,
 756                                         const char *nameservers)
 757 {
 758         int i;
 759         char **nameservers_array = NULL;
 760
 761         DBG("provider %p nameservers %s", provider, nameservers);
 762
 763         __connman_service_nameserver_clear(provider->vpn_service);
 764
 765         if (nameservers == NULL)
 766                 return 0;
 767
 768         nameservers_array = g_strsplit(nameservers, " ", 0);
 769
 770         for (i = 0; nameservers_array[i] != NULL; i++) {
 771                 __connman_service_nameserver_append(provider->vpn_service,
 772                                                         nameservers_array[i]);
 773         }
 774
 775         g_strfreev(nameservers_array);
 776
 777         return 0;
 778 }
 779
 780 enum provider_route_type {
 781         PROVIDER_ROUTE_TYPE_NONE = 0,
 782         PROVIDER_ROUTE_TYPE_MASK = 1,
 783         PROVIDER_ROUTE_TYPE_ADDR = 2,
 784         PROVIDER_ROUTE_TYPE_GW   = 3,
 785 };
 786
 787 static int route_env_parse(struct connman_provider *provider, const char *key,
 788                                 int *family, unsigned long *idx,
 789                                 enum provider_route_type *type)
 790 {
 791         char *end;
 792         const char *start;
 793
 794         DBG("name %s", provider->name);
 795
 796         if (!strcmp(provider->type, "openvpn")) {
 797                 if (g_str_has_prefix(key, "route_network_") == TRUE) {
 798                         start = key + strlen("route_network_");
 799                         *type = PROVIDER_ROUTE_TYPE_ADDR;
 800                 } else if (g_str_has_prefix(key, "route_netmask_") == TRUE) {
 801                         start = key + strlen("route_netmask_");
 802                         *type = PROVIDER_ROUTE_TYPE_MASK;
 803                 } else if (g_str_has_prefix(key, "route_gateway_") == TRUE) {
 804                         start = key + strlen("route_gateway_");
 805                         *type = PROVIDER_ROUTE_TYPE_GW;
 806                 } else
 807                         return -EINVAL;
 808
 809                 *family = AF_INET;
 810                 *idx = g_ascii_strtoull(start, &end, 10);
 811
 812         } else if (!strcmp(provider->type, "openconnect")) {
 813                 if (g_str_has_prefix(key, "CISCO_SPLIT_INC_") == TRUE) {
 814                         *family = AF_INET;
 815                         start = key + strlen("CISCO_SPLIT_INC_");
 816                 } else if (g_str_has_prefix(key, "CISCO_IPV6_SPLIT_INC_") == TRUE) {
 817                         *family = AF_INET6;
 818                         start = key + strlen("CISCO_IPV6_SPLIT_INC_");
 819                 } else
 820                         return -EINVAL;
 821
 822                 *idx = g_ascii_strtoull(start, &end, 10);
 823
 824                 if (strncmp(end, "_ADDR", 5) == 0)
 825                         *type = PROVIDER_ROUTE_TYPE_ADDR;
 826                 else if (strncmp(end, "_MASK", 5) == 0)
 827                         *type = PROVIDER_ROUTE_TYPE_MASK;
 828                 else if (strncmp(end, "_MASKLEN", 8) == 0 &&
 829                                 *family == AF_INET6) {
 830                         *type = PROVIDER_ROUTE_TYPE_MASK;
 831                 } else
 832                         return -EINVAL;
 833         }
 834
 835         return 0;
 836 }
 837
 838 int connman_provider_append_route(struct connman_provider *provider,
 839                                         const char *key, const char *value)
 840 {
 841         struct connman_route *route;
 842         int ret, family = 0;
 843         unsigned long idx = 0;
 844         enum provider_route_type type = PROVIDER_ROUTE_TYPE_NONE;
 845
 846         DBG("key %s value %s", key, value);
 847
 848         ret = route_env_parse(provider, key, &family, &idx, &type);
 849         if (ret < 0)
 850                 return ret;
 851
 852         DBG("idx %lu family %d type %d", idx, family, type);
 853
 854         route = g_hash_table_lookup(provider->routes, GINT_TO_POINTER(idx));
 855         if (route == NULL) {
 856                 route = g_try_new0(struct connman_route, 1);
 857                 if (route == NULL) {
 858                         connman_error("out of memory");
 859                         return -ENOMEM;
 860                 }
 861
 862                 route->family = family;
 863
 864                 g_hash_table_replace(provider->routes, GINT_TO_POINTER(idx),
 865                                                 route);
 866         }
 867
 868         switch (type) {
 869         case PROVIDER_ROUTE_TYPE_NONE:
 870                 break;
 871         case PROVIDER_ROUTE_TYPE_MASK:
 872                 route->netmask = g_strdup(value);
 873                 break;
 874         case PROVIDER_ROUTE_TYPE_ADDR:
 875                 route->host = g_strdup(value);
 876                 break;
 877         case PROVIDER_ROUTE_TYPE_GW:
 878                 route->gateway = g_strdup(value);
 879                 break;
 880         }
 881
 882         return 0;
 883 }
 884
 885 const char *connman_provider_get_driver_name(struct connman_provider *provider)
 886 {
 887         return provider->driver->name;
 888 }
 889
 890 static gint compare_priority(gconstpointer a, gconstpointer b)
 891 {
 892         return 0;
 893 }
 894
 895 static void clean_provider(gpointer key, gpointer value, gpointer user_data)
 896 {
 897         struct connman_provider *provider = value;
 898
 899         if (provider->driver != NULL && provider->driver->remove)
 900                 provider->driver->remove(provider);
 901 }
 902
 903 int connman_provider_driver_register(struct connman_provider_driver *driver)
 904 {
 905         DBG("driver %p name %s", driver, driver->name);
 906
 907         driver_list = g_slist_insert_sorted(driver_list, driver,
 908                                                         compare_priority);
 909         return 0;
 910 }
 911
 912 void connman_provider_driver_unregister(struct connman_provider_driver *driver)
 913 {
 914         DBG("driver %p name %s", driver, driver->name);
 915
 916         driver_list = g_slist_remove(driver_list, driver);
 917 }
 918
 919 static void provider_remove_all(gpointer key, gpointer value,
 920                                                 gpointer user_data)
 921 {
 922         struct connman_provider *provider = value;
 923
 924         __connman_provider_remove(provider->identifier);
 925 }
 926
 927 static void provider_offline_mode(connman_bool_t enabled)
 928 {
 929         DBG("enabled %d", enabled);
 930
 931         if (enabled == TRUE)
 932                 g_hash_table_foreach(provider_hash, provider_remove_all, NULL);
 933
 934 }
 935
 936 static struct connman_notifier provider_notifier = {
 937         .name                   = "provider",
 938         .offline_mode           = provider_offline_mode,
 939 };
 940
 941 int __connman_provider_init(void)
 942 {
 943         int err;
 944
 945         DBG("");
 946
 947         connection = connman_dbus_get_connection();
 948
 949         provider_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
 950                                                 NULL, unregister_provider);
 951
 952         err = connman_notifier_register(&provider_notifier);
 953         if (err < 0) {
 954                 g_hash_table_destroy(provider_hash);
 955                 dbus_connection_unref(connection);
 956         }
 957
 958         return err;
 959 }
 960
 961 void __connman_provider_cleanup(void)
 962 {
 963         DBG("");
 964
 965         connman_notifier_unregister(&provider_notifier);
 966
 967         g_hash_table_foreach(provider_hash, clean_provider, NULL);
 968
 969         g_hash_table_destroy(provider_hash);
 970         provider_hash = NULL;
 971
 972         dbus_connection_unref(connection);
 973 }