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