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_ipconfig_indicate_state(provider->vpn_service, state,
 184                                         CONNMAN_IPCONFIG_TYPE_IPV4);
 185
 186         return __connman_service_ipconfig_indicate_state(provider->vpn_service,
 187                                         state, 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;
 479         const char *host = NULL, *domain = NULL;
 480         char *ident;
 481         int err;
 482
 483         dbus_message_iter_init(msg, &iter);
 484         dbus_message_iter_recurse(&iter, &array);
 485
 486         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 487                 DBusMessageIter entry, value;
 488                 const char *key;
 489
 490                 dbus_message_iter_recurse(&array, &entry);
 491                 dbus_message_iter_get_basic(&entry, &key);
 492
 493                 dbus_message_iter_next(&entry);
 494                 dbus_message_iter_recurse(&entry, &value);
 495
 496                 switch (dbus_message_iter_get_arg_type(&value)) {
 497                 case DBUS_TYPE_STRING:
 498                         if (g_str_equal(key, "Type") == TRUE)
 499                                 dbus_message_iter_get_basic(&value, &type);
 500                         else if (g_str_equal(key, "Name") == TRUE)
 501                                 dbus_message_iter_get_basic(&value, &name);
 502                         else if (g_str_equal(key, "Host") == TRUE)
 503                                 dbus_message_iter_get_basic(&value, &host);
 504                         else if (g_str_equal(key, "VPN.Domain") == TRUE)
 505                                 dbus_message_iter_get_basic(&value, &domain);
 506                         break;
 507                 }
 508
 509                 dbus_message_iter_next(&array);
 510         }
 511
 512         if (host == NULL || domain == NULL)
 513                 return -EINVAL;
 514
 515         DBG("Type %s name %s", type, name);
 516
 517         if (type == NULL || name == NULL)
 518                 return -EOPNOTSUPP;
 519
 520         ident = g_strdup_printf("%s_%s", host, domain);
 521         provider_dbus_ident(ident);
 522
 523         DBG("ident %s", ident);
 524
 525         provider = connman_provider_lookup(ident);
 526         if (provider == NULL) {
 527                 provider = connman_provider_get(ident);
 528                 if (provider == NULL) {
 529                         DBG("can not create provider");
 530                         g_free(ident);
 531                         return -EOPNOTSUPP;
 532                 }
 533
 534                 provider->host = g_strdup(host);
 535                 provider->domain = g_strdup(domain);
 536                 provider->name = g_strdup(name);
 537                 provider->type = g_strdup(type);
 538
 539                 provider_register(provider);
 540         }
 541
 542         dbus_message_iter_init(msg, &iter);
 543         dbus_message_iter_recurse(&iter, &array);
 544
 545         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 546                 DBusMessageIter entry, value;
 547                 const char *key, *str;
 548
 549                 dbus_message_iter_recurse(&array, &entry);
 550                 dbus_message_iter_get_basic(&entry, &key);
 551
 552                 dbus_message_iter_next(&entry);
 553                 dbus_message_iter_recurse(&entry, &value);
 554
 555                 switch (dbus_message_iter_get_arg_type(&value)) {
 556                 case DBUS_TYPE_STRING:
 557                         dbus_message_iter_get_basic(&value, &str);
 558                         connman_provider_set_string(provider, key, str);
 559                         break;
 560                 }
 561
 562                 dbus_message_iter_next(&array);
 563         }
 564
 565         g_free(ident);
 566
 567         if (provider->vpn_service == NULL) {
 568                 provider->vpn_service =
 569                         __connman_service_create_from_provider(provider);
 570                 if (provider->vpn_service == NULL) {
 571                         err = -EOPNOTSUPP;
 572                         goto unref;
 573                 }
 574         }
 575
 576         err = __connman_service_connect(provider->vpn_service);
 577         if (err < 0 && err != -EINPROGRESS)
 578                 goto failed;
 579
 580         service_path = __connman_service_get_path(provider->vpn_service);
 581         g_dbus_send_reply(connection, msg,
 582                                 DBUS_TYPE_OBJECT_PATH, &service_path,
 583                                                         DBUS_TYPE_INVALID);
 584         return 0;
 585
 586 failed:
 587         __connman_service_put(provider->vpn_service);
 588         provider->vpn_service = NULL;
 589
 590 unref:
 591         DBG("can not connect, delete provider");
 592
 593         connman_provider_unref(provider);
 594
 595         return err;
 596 }
 597
 598 const char * __connman_provider_get_ident(struct connman_provider *provider)
 599 {
 600         if (provider == NULL)
 601                 return NULL;
 602
 603         return provider->identifier;
 604 }
 605
 606 int connman_provider_set_string(struct connman_provider *provider,
 607                                         const char *key, const char *value)
 608 {
 609         DBG("provider %p key %s value %s", provider, key, value);
 610
 611         if (g_str_equal(key, "Type") == TRUE) {
 612                 g_free(provider->type);
 613                 provider->type = g_strdup(value);
 614         } else if (g_str_equal(key, "Name") == TRUE) {
 615                 g_free(provider->name);
 616                 provider->name = g_strdup(value);
 617         } else if (g_str_equal(key, "Host") == TRUE) {
 618                 g_free(provider->host);
 619                 provider->host = g_strdup(value);
 620         } else if (g_str_equal(key, "VPN.Domain") == TRUE) {
 621                 g_free(provider->domain);
 622                 provider->domain = g_strdup(value);
 623         } else
 624                 g_hash_table_replace(provider->setting_strings,
 625                                 g_strdup(key), g_strdup(value));
 626         return 0;
 627 }
 628
 629 const char *connman_provider_get_string(struct connman_provider *provider,
 630                                                         const char *key)
 631 {
 632         DBG("provider %p key %s", provider, key);
 633
 634         if (g_str_equal(key, "Type") == TRUE)
 635                 return provider->type;
 636         else if (g_str_equal(key, "Name") == TRUE)
 637                 return provider->name;
 638         else if (g_str_equal(key, "Host") == TRUE)
 639                 return provider->host;
 640         else if (g_str_equal(key, "VPN.Domain") == TRUE)
 641                 return provider->domain;
 642
 643         return g_hash_table_lookup(provider->setting_strings, key);
 644 }
 645
 646 void *connman_provider_get_data(struct connman_provider *provider)
 647 {
 648         return provider->driver_data;
 649 }
 650
 651 void connman_provider_set_data(struct connman_provider *provider, void *data)
 652 {
 653         provider->driver_data = data;
 654 }
 655
 656 void connman_provider_set_index(struct connman_provider *provider, int index)
 657 {
 658         struct connman_service *service = provider->vpn_service;
 659         struct connman_ipconfig *ipconfig;
 660
 661         DBG("");
 662
 663         if (service == NULL)
 664                 return;
 665
 666         ipconfig = __connman_service_get_ip4config(service);
 667
 668         if (ipconfig == NULL) {
 669                 __connman_service_create_ip4config(service, index);
 670
 671                 ipconfig = __connman_service_get_ip4config(service);
 672                 if (ipconfig == NULL) {
 673                         DBG("Couldnt create ipconfig");
 674                         goto done;
 675                 }
 676         }
 677
 678         connman_ipconfig_set_method(ipconfig, CONNMAN_IPCONFIG_METHOD_FIXED);
 679         __connman_ipconfig_set_index(ipconfig, index);
 680
 681
 682         ipconfig = __connman_service_get_ip6config(service);
 683
 684         if (ipconfig == NULL) {
 685                 __connman_service_create_ip6config(service, index);
 686
 687                 ipconfig = __connman_service_get_ip6config(service);
 688                 if (ipconfig == NULL) {
 689                         DBG("Couldnt create ipconfig for IPv6");
 690                         goto done;
 691                 }
 692         }
 693
 694         connman_ipconfig_set_method(ipconfig, CONNMAN_IPCONFIG_METHOD_OFF);
 695         __connman_ipconfig_set_index(ipconfig, index);
 696
 697 done:
 698         provider->index = index;
 699 }
 700
 701 int connman_provider_get_index(struct connman_provider *provider)
 702 {
 703         return provider->index;
 704 }
 705
 706 int connman_provider_set_ipaddress(struct connman_provider *provider,
 707                                         struct connman_ipaddress *ipaddress)
 708 {
 709         struct connman_ipconfig *ipconfig = NULL;
 710
 711         ipconfig = __connman_service_get_ipconfig(provider->vpn_service,
 712                                                         ipaddress->family);
 713         if (ipconfig == NULL)
 714                 return -EINVAL;
 715
 716         provider->family = ipaddress->family;
 717
 718         __connman_ipconfig_set_local(ipconfig, ipaddress->local);
 719         __connman_ipconfig_set_peer(ipconfig, ipaddress->peer);
 720         __connman_ipconfig_set_broadcast(ipconfig, ipaddress->broadcast);
 721         __connman_ipconfig_set_gateway(ipconfig, ipaddress->gateway);
 722         __connman_ipconfig_set_prefixlen(ipconfig, ipaddress->prefixlen);
 723
 724         return 0;
 725 }
 726
 727 int connman_provider_set_pac(struct connman_provider *provider, const char *pac)
 728 {
 729         DBG("provider %p pac %s", provider, pac);
 730
 731         __connman_service_set_pac(provider->vpn_service, pac);
 732
 733         return 0;
 734 }
 735
 736
 737 int connman_provider_set_domain(struct connman_provider *provider,
 738                                         const char *domain)
 739 {
 740         DBG("provider %p domain %s", provider, domain);
 741
 742         g_free(provider->domain);
 743         provider->domain = g_strdup(domain);
 744
 745         __connman_service_set_domainname(provider->vpn_service, domain);
 746
 747         return 0;
 748 }
 749
 750 int connman_provider_set_nameservers(struct connman_provider *provider,
 751                                         const char *nameservers)
 752 {
 753         int i;
 754         char **nameservers_array = NULL;
 755
 756         DBG("provider %p nameservers %s", provider, nameservers);
 757
 758         __connman_service_nameserver_clear(provider->vpn_service);
 759
 760         if (nameservers == NULL)
 761                 return 0;
 762
 763         nameservers_array = g_strsplit(nameservers, " ", 0);
 764
 765         for (i = 0; nameservers_array[i] != NULL; i++) {
 766                 __connman_service_nameserver_append(provider->vpn_service,
 767                                                         nameservers_array[i]);
 768         }
 769
 770         g_strfreev(nameservers_array);
 771
 772         return 0;
 773 }
 774
 775 enum provider_route_type {
 776         PROVIDER_ROUTE_TYPE_NONE = 0,
 777         PROVIDER_ROUTE_TYPE_MASK = 1,
 778         PROVIDER_ROUTE_TYPE_ADDR = 2,
 779         PROVIDER_ROUTE_TYPE_GW   = 3,
 780 };
 781
 782 static int route_env_parse(struct connman_provider *provider, const char *key,
 783                                 int *family, unsigned long *idx,
 784                                 enum provider_route_type *type)
 785 {
 786         char *end;
 787         const char *start;
 788
 789         DBG("name %s", provider->name);
 790
 791         if (!strcmp(provider->type, "openvpn")) {
 792                 if (g_str_has_prefix(key, "route_network_") == TRUE) {
 793                         start = key + strlen("route_network_");
 794                         *type = PROVIDER_ROUTE_TYPE_ADDR;
 795                 } else if (g_str_has_prefix(key, "route_netmask_") == TRUE) {
 796                         start = key + strlen("route_netmask_");
 797                         *type = PROVIDER_ROUTE_TYPE_MASK;
 798                 } else if (g_str_has_prefix(key, "route_gateway_") == TRUE) {
 799                         start = key + strlen("route_gateway_");
 800                         *type = PROVIDER_ROUTE_TYPE_GW;
 801                 } else
 802                         return -EINVAL;
 803
 804                 *family = AF_INET;
 805                 *idx = g_ascii_strtoull(start, &end, 10);
 806
 807         } else if (!strcmp(provider->type, "openconnect")) {
 808                 if (g_str_has_prefix(key, "CISCO_SPLIT_INC_") == TRUE) {
 809                         *family = AF_INET;
 810                         start = key + strlen("CISCO_SPLIT_INC_");
 811                 } else if (g_str_has_prefix(key, "CISCO_IPV6_SPLIT_INC_") == TRUE) {
 812                         *family = AF_INET6;
 813                         start = key + strlen("CISCO_IPV6_SPLIT_INC_");
 814                 } else
 815                         return -EINVAL;
 816
 817                 *idx = g_ascii_strtoull(start, &end, 10);
 818
 819                 if (strncmp(end, "_ADDR", 5) == 0)
 820                         *type = PROVIDER_ROUTE_TYPE_ADDR;
 821                 else if (strncmp(end, "_MASK", 5) == 0)
 822                         *type = PROVIDER_ROUTE_TYPE_MASK;
 823                 else if (strncmp(end, "_MASKLEN", 8) == 0 &&
 824                                 *family == AF_INET6) {
 825                         *type = PROVIDER_ROUTE_TYPE_MASK;
 826                 } else
 827                         return -EINVAL;
 828         }
 829
 830         return 0;
 831 }
 832
 833 int connman_provider_append_route(struct connman_provider *provider,
 834                                         const char *key, const char *value)
 835 {
 836         struct connman_route *route;
 837         int ret, family = 0;
 838         unsigned long idx = 0;
 839         enum provider_route_type type = PROVIDER_ROUTE_TYPE_NONE;
 840
 841         DBG("key %s value %s", key, value);
 842
 843         ret = route_env_parse(provider, key, &family, &idx, &type);
 844         if (ret < 0)
 845                 return ret;
 846
 847         DBG("idx %lu family %d type %d", idx, family, type);
 848
 849         route = g_hash_table_lookup(provider->routes, GINT_TO_POINTER(idx));
 850         if (route == NULL) {
 851                 route = g_try_new0(struct connman_route, 1);
 852                 if (route == NULL) {
 853                         connman_error("out of memory");
 854                         return -ENOMEM;
 855                 }
 856
 857                 route->family = family;
 858
 859                 g_hash_table_replace(provider->routes, GINT_TO_POINTER(idx),
 860                                                 route);
 861         }
 862
 863         switch (type) {
 864         case PROVIDER_ROUTE_TYPE_NONE:
 865                 break;
 866         case PROVIDER_ROUTE_TYPE_MASK:
 867                 route->netmask = g_strdup(value);
 868                 break;
 869         case PROVIDER_ROUTE_TYPE_ADDR:
 870                 route->host = g_strdup(value);
 871                 break;
 872         case PROVIDER_ROUTE_TYPE_GW:
 873                 route->gateway = g_strdup(value);
 874                 break;
 875         }
 876
 877         return 0;
 878 }
 879
 880 const char *connman_provider_get_driver_name(struct connman_provider *provider)
 881 {
 882         if (provider->driver == NULL)
 883                 return NULL;
 884
 885         return provider->driver->name;
 886 }
 887
 888 static gint compare_priority(gconstpointer a, gconstpointer b)
 889 {
 890         return 0;
 891 }
 892
 893 static void clean_provider(gpointer key, gpointer value, gpointer user_data)
 894 {
 895         struct connman_provider *provider = value;
 896
 897         if (provider->driver != NULL && provider->driver->remove)
 898                 provider->driver->remove(provider);
 899 }
 900
 901 int connman_provider_driver_register(struct connman_provider_driver *driver)
 902 {
 903         DBG("driver %p name %s", driver, driver->name);
 904
 905         driver_list = g_slist_insert_sorted(driver_list, driver,
 906                                                         compare_priority);
 907         return 0;
 908 }
 909
 910 void connman_provider_driver_unregister(struct connman_provider_driver *driver)
 911 {
 912         DBG("driver %p name %s", driver, driver->name);
 913
 914         driver_list = g_slist_remove(driver_list, driver);
 915 }
 916
 917 static void provider_remove_all(gpointer key, gpointer value,
 918                                                 gpointer user_data)
 919 {
 920         struct connman_provider *provider = value;
 921
 922         __connman_provider_remove(provider->identifier);
 923 }
 924
 925 static void provider_offline_mode(connman_bool_t enabled)
 926 {
 927         DBG("enabled %d", enabled);
 928
 929         if (enabled == TRUE)
 930                 g_hash_table_foreach(provider_hash, provider_remove_all, NULL);
 931
 932 }
 933
 934 static struct connman_notifier provider_notifier = {
 935         .name                   = "provider",
 936         .offline_mode           = provider_offline_mode,
 937 };
 938
 939 int __connman_provider_init(void)
 940 {
 941         int err;
 942
 943         DBG("");
 944
 945         connection = connman_dbus_get_connection();
 946
 947         provider_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
 948                                                 NULL, unregister_provider);
 949
 950         err = connman_notifier_register(&provider_notifier);
 951         if (err < 0) {
 952                 g_hash_table_destroy(provider_hash);
 953                 dbus_connection_unref(connection);
 954         }
 955
 956         return err;
 957 }
 958
 959 void __connman_provider_cleanup(void)
 960 {
 961         DBG("");
 962
 963         connman_notifier_unregister(&provider_notifier);
 964
 965         g_hash_table_foreach(provider_hash, clean_provider, NULL);
 966
 967         g_hash_table_destroy(provider_hash);
 968         provider_hash = NULL;
 969
 970         dbus_connection_unref(connection);
 971 }