src/provider.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2012  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         int 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         GHashTable *user_routes;
  62         gchar **user_networks;
  63         gsize num_user_networks;
  64 };
  65
  66 void __connman_provider_append_properties(struct connman_provider *provider,
  67                                                         DBusMessageIter *iter)
  68 {
  69         if (provider->host != NULL)
  70                 connman_dbus_dict_append_basic(iter, "Host",
  71                                         DBUS_TYPE_STRING, &provider->host);
  72
  73         if (provider->domain != NULL)
  74                 connman_dbus_dict_append_basic(iter, "Domain",
  75                                         DBUS_TYPE_STRING, &provider->domain);
  76
  77         if (provider->type != NULL)
  78                 connman_dbus_dict_append_basic(iter, "Type", DBUS_TYPE_STRING,
  79                                                  &provider->type);
  80 }
  81
  82 int __connman_provider_append_user_route(struct connman_provider *provider,
  83                         int family, const char *network, const char *netmask)
  84 {
  85         struct connman_route *route;
  86         char *key = g_strdup_printf("%d/%s/%s", family, network, netmask);
  87
  88         DBG("family %d network %s netmask %s", family, network, netmask);
  89
  90         route = g_hash_table_lookup(provider->user_routes, key);
  91         if (route == NULL) {
  92                 route = g_try_new0(struct connman_route, 1);
  93                 if (route == NULL) {
  94                         connman_error("out of memory");
  95                         return -ENOMEM;
  96                 }
  97
  98                 route->family = family;
  99                 route->host = g_strdup(network);
 100                 route->netmask = g_strdup(netmask);
 101
 102                 g_hash_table_replace(provider->user_routes, key, route);
 103         } else
 104                 g_free(key);
 105
 106         return 0;
 107 }
 108
 109 static void set_user_networks(struct connman_provider *provider,
 110                                                         char **networks)
 111 {
 112         int i = 0;
 113
 114         while (networks[i] != NULL) {
 115                 char **elems = g_strsplit(networks[i], "/", 0);
 116                 char *network, *netmask = NULL;
 117                 int family = PF_UNSPEC, ret;
 118
 119                 if (elems == NULL)
 120                         break;
 121
 122                 network = elems[0];
 123                 if (elems[1] != NULL)
 124                         netmask = elems[1];
 125
 126                 if (g_strrstr(network, ":") != NULL)
 127                         family = AF_INET6;
 128                 else if (g_strrstr(network, ".") != NULL) {
 129                         family = AF_INET;
 130
 131                         if (g_strrstr(netmask, ".") == NULL) {
 132                                 /* We have netmask length */
 133                                 in_addr_t addr;
 134                                 struct in_addr netmask_in;
 135                                 unsigned char prefix_len = atoi(netmask);
 136
 137                                 addr = 0xffffffff << (32 - prefix_len);
 138                                 netmask_in.s_addr = htonl(addr);
 139                                 netmask = inet_ntoa(netmask_in);
 140
 141                                 DBG("network %s netmask %s", network, netmask);
 142                         }
 143                 }
 144
 145                 ret = __connman_provider_append_user_route(provider,
 146                                                 family, network, netmask);
 147                 g_strfreev(elems);
 148
 149                 if (ret != 0)
 150                         break;
 151
 152                 i++;
 153         }
 154 }
 155
 156 static int provider_load_from_keyfile(struct connman_provider *provider,
 157                 GKeyFile *keyfile)
 158 {
 159         gsize idx = 0;
 160         gchar **settings;
 161         gchar *key, *value;
 162         gsize length;
 163
 164         settings = g_key_file_get_keys(keyfile, provider->identifier, &length,
 165                                 NULL);
 166         if (settings == NULL) {
 167                 g_key_file_free(keyfile);
 168                 return -ENOENT;
 169         }
 170
 171         while (idx < length) {
 172                 key = settings[idx];
 173                 if (key != NULL) {
 174                         if (g_str_equal(key, "Networks") == TRUE) {
 175                                 g_strfreev(provider->user_networks);
 176                                 provider->user_networks =
 177                                         g_key_file_get_string_list(keyfile,
 178                                                 provider->identifier,
 179                                                 key,
 180                                                 &provider->num_user_networks,
 181                                                 NULL);
 182                         } else {
 183                                 value = g_key_file_get_string(keyfile,
 184                                                         provider->identifier,
 185                                                         key, NULL);
 186                                 connman_provider_set_string(provider, key,
 187                                                         value);
 188                                 g_free(value);
 189                         }
 190                 }
 191                 idx += 1;
 192         }
 193         g_strfreev(settings);
 194
 195         if (provider->user_networks != NULL)
 196                 set_user_networks(provider, provider->user_networks);
 197
 198         return 0;
 199 }
 200
 201 static int connman_provider_load(struct connman_provider *provider)
 202 {
 203         GKeyFile *keyfile;
 204
 205         DBG("provider %p", provider);
 206
 207         keyfile = __connman_storage_load_provider(provider->identifier);
 208         if (keyfile == NULL)
 209                 return -ENOENT;
 210
 211         provider_load_from_keyfile(provider, keyfile);
 212
 213         g_key_file_free(keyfile);
 214         return 0;
 215 }
 216
 217 static int connman_provider_save(struct connman_provider *provider)
 218 {
 219         GKeyFile *keyfile;
 220
 221         DBG("provider %p", provider);
 222
 223         keyfile = g_key_file_new();
 224         if (keyfile == NULL)
 225                 return -ENOMEM;
 226
 227         g_key_file_set_string(keyfile, provider->identifier,
 228                         "Name", provider->name);
 229         g_key_file_set_string(keyfile, provider->identifier,
 230                         "Type", provider->type);
 231         g_key_file_set_string(keyfile, provider->identifier,
 232                         "Host", provider->host);
 233         g_key_file_set_string(keyfile, provider->identifier,
 234                         "VPN.Domain", provider->domain);
 235         if (provider->user_networks != NULL)
 236                 g_key_file_set_string_list(keyfile, provider->identifier,
 237                                 "Networks",
 238                                 (const gchar **)provider->user_networks,
 239                                 provider->num_user_networks);
 240
 241         if (provider->driver != NULL && provider->driver->save != NULL)
 242                 provider->driver->save(provider, keyfile);
 243
 244         __connman_storage_save_provider(keyfile, provider->identifier);
 245         g_key_file_free(keyfile);
 246
 247         return 0;
 248 }
 249
 250 static struct connman_provider *connman_provider_lookup(const char *identifier)
 251 {
 252         struct connman_provider *provider = NULL;
 253
 254         provider = g_hash_table_lookup(provider_hash, identifier);
 255
 256         return provider;
 257 }
 258
 259 static gboolean match_driver(struct connman_provider *provider,
 260                                 struct connman_provider_driver *driver)
 261 {
 262         if (g_strcmp0(driver->name, provider->type) == 0)
 263                 return TRUE;
 264
 265         return FALSE;
 266 }
 267
 268 static int provider_probe(struct connman_provider *provider)
 269 {
 270         GSList *list;
 271
 272         DBG("provider %p name %s", provider, provider->name);
 273
 274         if (provider->driver != NULL)
 275                 return -EALREADY;
 276
 277         for (list = driver_list; list; list = list->next) {
 278                 struct connman_provider_driver *driver = list->data;
 279
 280                 if (match_driver(provider, driver) == FALSE)
 281                         continue;
 282
 283                 DBG("driver %p name %s", driver, driver->name);
 284
 285                 if (driver->probe != NULL && driver->probe(provider) == 0) {
 286                         provider->driver = driver;
 287                         break;
 288                 }
 289         }
 290
 291         if (provider->driver == NULL)
 292                 return -ENODEV;
 293
 294         return 0;
 295 }
 296
 297 static void provider_remove(struct connman_provider *provider)
 298 {
 299         if (provider->driver != NULL) {
 300                 provider->driver->remove(provider);
 301                 provider->driver = NULL;
 302         }
 303 }
 304
 305 static int provider_register(struct connman_provider *provider)
 306 {
 307         return provider_probe(provider);
 308 }
 309
 310 static void provider_unregister(struct connman_provider *provider)
 311 {
 312         provider_remove(provider);
 313 }
 314
 315 struct connman_provider *
 316 connman_provider_ref_debug(struct connman_provider *provider,
 317                         const char *file, int line, const char *caller)
 318 {
 319         DBG("%p ref %d by %s:%d:%s()", provider, provider->refcount + 1,
 320                 file, line, caller);
 321
 322         __sync_fetch_and_add(&provider->refcount, 1);
 323
 324         return provider;
 325 }
 326
 327 static void provider_destruct(struct connman_provider *provider)
 328 {
 329         DBG("provider %p", provider);
 330
 331         g_free(provider->name);
 332         g_free(provider->type);
 333         g_free(provider->host);
 334         g_free(provider->domain);
 335         g_free(provider->identifier);
 336         g_strfreev(provider->user_networks);
 337         g_hash_table_destroy(provider->routes);
 338         g_hash_table_destroy(provider->user_routes);
 339         g_hash_table_destroy(provider->setting_strings);
 340         g_free(provider);
 341 }
 342
 343 void connman_provider_unref_debug(struct connman_provider *provider,
 344                                 const char *file, int line, const char *caller)
 345 {
 346         DBG("%p ref %d by %s:%d:%s()", provider, provider->refcount - 1,
 347                 file, line, caller);
 348
 349         if (__sync_fetch_and_sub(&provider->refcount, 1) != 1)
 350                 return;
 351
 352         provider_remove(provider);
 353
 354         provider_destruct(provider);
 355 }
 356
 357 static int provider_indicate_state(struct connman_provider *provider,
 358                                         enum connman_service_state state)
 359 {
 360         DBG("state %d", state);
 361
 362         __connman_service_ipconfig_indicate_state(provider->vpn_service, state,
 363                                         CONNMAN_IPCONFIG_TYPE_IPV4);
 364
 365         return __connman_service_ipconfig_indicate_state(provider->vpn_service,
 366                                         state, CONNMAN_IPCONFIG_TYPE_IPV6);
 367 }
 368
 369 int __connman_provider_disconnect(struct connman_provider *provider)
 370 {
 371         int err;
 372
 373         DBG("provider %p", provider);
 374
 375         if (provider->driver != NULL && provider->driver->disconnect != NULL)
 376                 err = provider->driver->disconnect(provider);
 377         else
 378                 return -EOPNOTSUPP;
 379
 380         if (provider->vpn_service != NULL)
 381                 provider_indicate_state(provider,
 382                                         CONNMAN_SERVICE_STATE_DISCONNECT);
 383
 384         if (err < 0) {
 385                 if (err != -EINPROGRESS)
 386                         return err;
 387
 388                 return -EINPROGRESS;
 389         }
 390
 391         return 0;
 392 }
 393
 394 int __connman_provider_connect(struct connman_provider *provider)
 395 {
 396         int err;
 397
 398         DBG("provider %p", provider);
 399
 400         if (provider->driver != NULL && provider->driver->connect != NULL)
 401                 err = provider->driver->connect(provider);
 402         else
 403                 return -EOPNOTSUPP;
 404
 405         if (err < 0) {
 406                 if (err != -EINPROGRESS)
 407                         return err;
 408
 409                 provider_indicate_state(provider,
 410                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 411
 412                 return -EINPROGRESS;
 413         }
 414
 415         return 0;
 416 }
 417
 418 int __connman_provider_remove(const char *path)
 419 {
 420         struct connman_provider *provider;
 421         GHashTableIter iter;
 422         gpointer value, key;
 423
 424         DBG("path %s", path);
 425
 426         g_hash_table_iter_init(&iter, provider_hash);
 427         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
 428                 const char *srv_path;
 429                 provider = value;
 430
 431                 if (provider->vpn_service == NULL)
 432                         continue;
 433
 434                 srv_path = __connman_service_get_path(provider->vpn_service);
 435
 436                 if (g_strcmp0(srv_path, path) == 0) {
 437                         DBG("Removing VPN %s", provider->identifier);
 438
 439                         provider_unregister(provider);
 440                         g_hash_table_remove(provider_hash,
 441                                                 provider->identifier);
 442                         return 0;
 443                 }
 444         }
 445
 446         return -ENXIO;
 447 }
 448
 449 static void provider_append_routes(gpointer key, gpointer value,
 450                                         gpointer user_data)
 451 {
 452         struct connman_route *route = value;
 453         struct connman_provider *provider = user_data;
 454         int index = provider->index;
 455
 456         if (route->family == AF_INET6) {
 457                 unsigned char prefix_len = atoi(route->netmask);
 458
 459                 connman_inet_add_ipv6_network_route(index, route->host,
 460                                                         route->gateway,
 461                                                         prefix_len);
 462         } else {
 463                 connman_inet_add_network_route(index, route->host,
 464                                                 route->gateway,
 465                                                 route->netmask);
 466         }
 467 }
 468
 469 static int set_connected(struct connman_provider *provider,
 470                                         connman_bool_t connected)
 471 {
 472         struct connman_service *service = provider->vpn_service;
 473         struct connman_ipconfig *ipconfig;
 474
 475         if (service == NULL)
 476                 return -ENODEV;
 477
 478         ipconfig = __connman_service_get_ipconfig(service, provider->family);
 479
 480         if (connected == TRUE) {
 481                 if (ipconfig == NULL) {
 482                         provider_indicate_state(provider,
 483                                                 CONNMAN_SERVICE_STATE_FAILURE);
 484                         return -EIO;
 485                 }
 486
 487                 __connman_ipconfig_address_add(ipconfig);
 488                 __connman_ipconfig_gateway_add(ipconfig);
 489
 490                 provider_indicate_state(provider,
 491                                         CONNMAN_SERVICE_STATE_READY);
 492
 493                 g_hash_table_foreach(provider->routes, provider_append_routes,
 494                                         provider);
 495
 496                 g_hash_table_foreach(provider->user_routes, provider_append_routes,
 497                                         provider);
 498
 499         } else {
 500                 if (ipconfig != NULL) {
 501                         provider_indicate_state(provider,
 502                                         CONNMAN_SERVICE_STATE_DISCONNECT);
 503                         __connman_ipconfig_gateway_remove(ipconfig);
 504                 }
 505
 506                 provider_indicate_state(provider,
 507                                         CONNMAN_SERVICE_STATE_IDLE);
 508         }
 509
 510         return 0;
 511 }
 512
 513 int connman_provider_set_state(struct connman_provider *provider,
 514                                         enum connman_provider_state state)
 515 {
 516         if (provider == NULL || provider->vpn_service == NULL)
 517                 return -EINVAL;
 518
 519         switch (state) {
 520         case CONNMAN_PROVIDER_STATE_UNKNOWN:
 521                 return -EINVAL;
 522         case CONNMAN_PROVIDER_STATE_IDLE:
 523                 return set_connected(provider, FALSE);
 524         case CONNMAN_PROVIDER_STATE_CONNECT:
 525                 return provider_indicate_state(provider,
 526                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 527         case CONNMAN_PROVIDER_STATE_READY:
 528                 return set_connected(provider, TRUE);
 529         case CONNMAN_PROVIDER_STATE_DISCONNECT:
 530                 return provider_indicate_state(provider,
 531                                         CONNMAN_SERVICE_STATE_DISCONNECT);
 532         case CONNMAN_PROVIDER_STATE_FAILURE:
 533                 return provider_indicate_state(provider,
 534                                         CONNMAN_SERVICE_STATE_FAILURE);
 535         }
 536
 537         return -EINVAL;
 538 }
 539
 540 int connman_provider_indicate_error(struct connman_provider *provider,
 541                                         enum connman_provider_error error)
 542 {
 543         enum connman_service_error service_error;
 544
 545         switch (error) {
 546         case CONNMAN_PROVIDER_ERROR_LOGIN_FAILED:
 547                 service_error = CONNMAN_SERVICE_ERROR_LOGIN_FAILED;
 548                 break;
 549         case CONNMAN_PROVIDER_ERROR_AUTH_FAILED:
 550                 service_error = CONNMAN_SERVICE_ERROR_AUTH_FAILED;
 551                 break;
 552         case CONNMAN_PROVIDER_ERROR_CONNECT_FAILED:
 553                 service_error = CONNMAN_SERVICE_ERROR_CONNECT_FAILED;
 554                 break;
 555         default:
 556                 service_error = CONNMAN_SERVICE_ERROR_UNKNOWN;
 557                 break;
 558         }
 559
 560         return __connman_service_indicate_error(provider->vpn_service,
 561                                                         service_error);
 562 }
 563
 564 static void unregister_provider(gpointer data)
 565 {
 566         struct connman_provider *provider = data;
 567
 568         DBG("provider %p service %p", provider, provider->vpn_service);
 569
 570         if (provider->vpn_service != NULL) {
 571                 connman_service_unref(provider->vpn_service);
 572                 provider->vpn_service = NULL;
 573         }
 574
 575         connman_provider_unref(provider);
 576 }
 577
 578 static void destroy_route(gpointer user_data)
 579 {
 580         struct connman_route *route = user_data;
 581
 582         g_free(route->host);
 583         g_free(route->netmask);
 584         g_free(route->gateway);
 585         g_free(route);
 586 }
 587
 588 static void provider_initialize(struct connman_provider *provider)
 589 {
 590         DBG("provider %p", provider);
 591
 592         provider->index = 0;
 593         provider->name = NULL;
 594         provider->type = NULL;
 595         provider->domain = NULL;
 596         provider->identifier = NULL;
 597         provider->user_networks = NULL;
 598         provider->routes = g_hash_table_new_full(g_direct_hash, g_direct_equal,
 599                                         NULL, destroy_route);
 600         provider->user_routes = g_hash_table_new_full(g_str_hash, g_str_equal,
 601                                         g_free, destroy_route);
 602         provider->setting_strings = g_hash_table_new_full(g_str_hash, g_str_equal,
 603                                                         g_free, g_free);
 604 }
 605
 606 static struct connman_provider *connman_provider_new(void)
 607 {
 608         struct connman_provider *provider;
 609
 610         provider = g_try_new0(struct connman_provider, 1);
 611         if (provider == NULL)
 612                 return NULL;
 613
 614         provider->refcount = 1;
 615
 616         DBG("provider %p", provider);
 617         provider_initialize(provider);
 618
 619         return provider;
 620 }
 621
 622 static struct connman_provider *connman_provider_get(const char *identifier)
 623 {
 624         struct connman_provider *provider;
 625
 626         provider = g_hash_table_lookup(provider_hash, identifier);
 627         if (provider != NULL)
 628                 return provider;
 629
 630         provider = connman_provider_new();
 631         if (provider == NULL)
 632                 return NULL;
 633
 634         DBG("provider %p", provider);
 635
 636         provider->identifier = g_strdup(identifier);
 637
 638         g_hash_table_insert(provider_hash, provider->identifier, provider);
 639
 640         return provider;
 641 }
 642
 643 static void provider_dbus_ident(char *ident)
 644 {
 645         int i, len = strlen(ident);
 646
 647         for (i = 0; i < len; i++) {
 648                 if (ident[i] >= '0' && ident[i] <= '9')
 649                         continue;
 650                 if (ident[i] >= 'a' && ident[i] <= 'z')
 651                         continue;
 652                 if (ident[i] >= 'A' && ident[i] <= 'Z')
 653                         continue;
 654                 ident[i] = '_';
 655         }
 656 }
 657
 658 static struct connman_provider *provider_create_from_keyfile(GKeyFile *keyfile,
 659                 const char *ident)
 660 {
 661         struct connman_provider *provider;
 662
 663         if (keyfile == NULL || ident == NULL)
 664                 return NULL;
 665
 666         provider = connman_provider_lookup(ident);
 667         if (provider == NULL) {
 668                 provider = connman_provider_get(ident);
 669                 if (provider == NULL) {
 670                         DBG("can not create provider");
 671                         return NULL;
 672                 }
 673
 674                 provider_load_from_keyfile(provider, keyfile);
 675
 676                 if (provider->name == NULL || provider->host == NULL ||
 677                                 provider->domain == NULL) {
 678                         DBG("cannot get name, host or domain");
 679                         connman_provider_unref(provider);
 680                         return NULL;
 681                 }
 682
 683                 provider_register(provider);
 684         }
 685         return provider;
 686 }
 687
 688 static int provider_create_service(struct connman_provider *provider)
 689 {
 690         if (provider->vpn_service != NULL)
 691                 return -EALREADY;
 692
 693         provider->vpn_service =
 694                 __connman_service_create_from_provider(provider);
 695
 696         if (provider->vpn_service == NULL)
 697                 return -EOPNOTSUPP;
 698
 699         return 0;
 700 }
 701
 702 static void provider_create_all_from_type(const char *provider_type)
 703 {
 704         unsigned int i;
 705         char **providers;
 706         char *id, *type;
 707         GKeyFile *keyfile;
 708         struct connman_provider *provider;
 709
 710         DBG("provider type %s", provider_type);
 711
 712         providers = __connman_storage_get_providers();
 713
 714         for (i = 0; providers[i] != NULL; i+=1) {
 715
 716                 if (strncmp(providers[i], "provider_", 9) != 0)
 717                         continue;
 718
 719                 id = providers[i] + 9;
 720                 keyfile = __connman_storage_load_provider(id);
 721
 722                 if (keyfile == NULL)
 723                         continue;
 724
 725                 type = g_key_file_get_string(keyfile, id, "Type", NULL);
 726
 727                 DBG("keyfile %p id %s type %s", keyfile, id, type);
 728
 729                 if (strcmp(provider_type, type) != 0) {
 730                         g_free(type);
 731                         g_key_file_free(keyfile);
 732                         continue;
 733                 }
 734
 735                 provider = provider_create_from_keyfile(keyfile, id);
 736                 if (provider != NULL) {
 737                         if (provider_create_service(provider) == -EOPNOTSUPP) {
 738                                 DBG("could not create service");
 739                                 connman_provider_unref(provider);
 740                         }
 741                 }
 742
 743                 g_free(type);
 744                 g_key_file_free(keyfile);
 745         }
 746         g_strfreev(providers);
 747 }
 748
 749 static char **get_user_networks(DBusMessageIter *array, int *count)
 750 {
 751         DBusMessageIter entry;
 752         char **networks = NULL;
 753         GSList *list = NULL, *l;
 754         int len;
 755
 756         dbus_message_iter_recurse(array, &entry);
 757
 758         while (dbus_message_iter_get_arg_type(&entry) == DBUS_TYPE_STRING) {
 759                 const char *val;
 760                 dbus_message_iter_get_basic(&entry, &val);
 761
 762                 list = g_slist_prepend(list, g_strdup(val));
 763                 dbus_message_iter_next(&entry);
 764         }
 765
 766         len = g_slist_length(list);
 767         if (len == 0)
 768                 goto out;
 769
 770         networks = g_try_new(char *, len + 1);
 771         if (networks == NULL)
 772                 goto out;
 773
 774         *count = len;
 775         networks[len] = 0;
 776
 777         for (l = list; l != NULL; l = g_slist_next(l))
 778                 networks[--len] = l->data;
 779
 780 out:
 781         g_slist_free(list);
 782
 783         return networks;
 784 }
 785
 786 int __connman_provider_create_and_connect(DBusMessage *msg)
 787 {
 788         struct connman_provider *provider;
 789         DBusMessageIter iter, array;
 790         const char *type = NULL, *name = NULL, *service_path;
 791         const char *host = NULL, *domain = NULL;
 792         char **networks = NULL;
 793         char *ident;
 794         int err, count = 0;
 795
 796         dbus_message_iter_init(msg, &iter);
 797         dbus_message_iter_recurse(&iter, &array);
 798
 799         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 800                 DBusMessageIter entry, value;
 801                 const char *key;
 802
 803                 dbus_message_iter_recurse(&array, &entry);
 804                 dbus_message_iter_get_basic(&entry, &key);
 805
 806                 dbus_message_iter_next(&entry);
 807                 dbus_message_iter_recurse(&entry, &value);
 808
 809                 switch (dbus_message_iter_get_arg_type(&value)) {
 810                 case DBUS_TYPE_STRING:
 811                         if (g_str_equal(key, "Type") == TRUE)
 812                                 dbus_message_iter_get_basic(&value, &type);
 813                         else if (g_str_equal(key, "Name") == TRUE)
 814                                 dbus_message_iter_get_basic(&value, &name);
 815                         else if (g_str_equal(key, "Host") == TRUE)
 816                                 dbus_message_iter_get_basic(&value, &host);
 817                         else if (g_str_equal(key, "VPN.Domain") == TRUE)
 818                                 dbus_message_iter_get_basic(&value, &domain);
 819                         break;
 820                 case DBUS_TYPE_ARRAY:
 821                         if (g_str_equal(key, "Networks") == TRUE)
 822                                 networks = get_user_networks(&value, &count);
 823                         break;
 824                 }
 825
 826                 dbus_message_iter_next(&array);
 827         }
 828
 829         if (host == NULL || domain == NULL)
 830                 return -EINVAL;
 831
 832         DBG("Type %s name %s networks %p", type, name, networks);
 833
 834         if (type == NULL || name == NULL)
 835                 return -EOPNOTSUPP;
 836
 837         ident = g_strdup_printf("%s_%s", host, domain);
 838         provider_dbus_ident(ident);
 839
 840         DBG("ident %s", ident);
 841
 842         provider = connman_provider_lookup(ident);
 843         if (provider == NULL) {
 844                 provider = connman_provider_get(ident);
 845                 if (provider == NULL) {
 846                         DBG("can not create provider");
 847                         g_free(ident);
 848                         return -EOPNOTSUPP;
 849                 }
 850
 851                 provider->host = g_strdup(host);
 852                 provider->domain = g_strdup(domain);
 853                 provider->name = g_strdup(name);
 854                 provider->type = g_strdup(type);
 855
 856                 if (provider_register(provider) == 0)
 857                         connman_provider_load(provider);
 858         }
 859
 860         if (networks != NULL) {
 861                 g_strfreev(provider->user_networks);
 862                 provider->user_networks = networks;
 863                 provider->num_user_networks = count;
 864                 set_user_networks(provider, provider->user_networks);
 865         }
 866
 867         dbus_message_iter_init(msg, &iter);
 868         dbus_message_iter_recurse(&iter, &array);
 869
 870         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 871                 DBusMessageIter entry, value;
 872                 const char *key, *str;
 873
 874                 dbus_message_iter_recurse(&array, &entry);
 875                 dbus_message_iter_get_basic(&entry, &key);
 876
 877                 dbus_message_iter_next(&entry);
 878                 dbus_message_iter_recurse(&entry, &value);
 879
 880                 switch (dbus_message_iter_get_arg_type(&value)) {
 881                 case DBUS_TYPE_STRING:
 882                         dbus_message_iter_get_basic(&value, &str);
 883                         connman_provider_set_string(provider, key, str);
 884                         break;
 885                 }
 886
 887                 dbus_message_iter_next(&array);
 888         }
 889
 890         g_free(ident);
 891
 892         err = provider_create_service(provider);
 893         if (err == -EALREADY) {
 894                 DBG("provider already connected");
 895         } else {
 896                 if (err == -EOPNOTSUPP) {
 897                         goto unref;
 898                 } else {
 899                         err = __connman_service_connect(provider->vpn_service);
 900
 901                         if (err < 0 && err != -EINPROGRESS)
 902                                 goto failed;
 903                 }
 904         }
 905
 906         connman_provider_save(provider);
 907         service_path = __connman_service_get_path(provider->vpn_service);
 908         g_dbus_send_reply(connection, msg,
 909                                 DBUS_TYPE_OBJECT_PATH, &service_path,
 910                                                         DBUS_TYPE_INVALID);
 911         return 0;
 912
 913 failed:
 914         connman_service_unref(provider->vpn_service);
 915         provider->vpn_service = NULL;
 916
 917 unref:
 918         DBG("can not connect, delete provider");
 919
 920         g_hash_table_remove(provider_hash, provider->identifier);
 921
 922         return err;
 923 }
 924
 925 const char * __connman_provider_get_ident(struct connman_provider *provider)
 926 {
 927         if (provider == NULL)
 928                 return NULL;
 929
 930         return provider->identifier;
 931 }
 932
 933 int connman_provider_set_string(struct connman_provider *provider,
 934                                         const char *key, const char *value)
 935 {
 936         DBG("provider %p key %s value %s", provider, key, value);
 937
 938         if (g_str_equal(key, "Type") == TRUE) {
 939                 g_free(provider->type);
 940                 provider->type = g_strdup(value);
 941         } else if (g_str_equal(key, "Name") == TRUE) {
 942                 g_free(provider->name);
 943                 provider->name = g_strdup(value);
 944         } else if (g_str_equal(key, "Host") == TRUE) {
 945                 g_free(provider->host);
 946                 provider->host = g_strdup(value);
 947         } else if (g_str_equal(key, "VPN.Domain") == TRUE) {
 948                 g_free(provider->domain);
 949                 provider->domain = g_strdup(value);
 950         } else
 951                 g_hash_table_replace(provider->setting_strings,
 952                                 g_strdup(key), g_strdup(value));
 953         return 0;
 954 }
 955
 956 const char *connman_provider_get_string(struct connman_provider *provider,
 957                                                         const char *key)
 958 {
 959         DBG("provider %p key %s", provider, key);
 960
 961         if (g_str_equal(key, "Type") == TRUE)
 962                 return provider->type;
 963         else if (g_str_equal(key, "Name") == TRUE)
 964                 return provider->name;
 965         else if (g_str_equal(key, "Host") == TRUE)
 966                 return provider->host;
 967         else if (g_str_equal(key, "VPN.Domain") == TRUE)
 968                 return provider->domain;
 969
 970         return g_hash_table_lookup(provider->setting_strings, key);
 971 }
 972
 973 connman_bool_t
 974 __connman_provider_check_routes(struct connman_provider *provider)
 975 {
 976         if (provider == NULL)
 977                 return FALSE;
 978
 979         if (provider->user_routes != NULL &&
 980                         g_hash_table_size(provider->user_routes) > 0)
 981                 return TRUE;
 982
 983         if (provider->routes != NULL &&
 984                         g_hash_table_size(provider->routes) > 0)
 985                 return TRUE;
 986
 987         return FALSE;
 988 }
 989
 990 void *connman_provider_get_data(struct connman_provider *provider)
 991 {
 992         return provider->driver_data;
 993 }
 994
 995 void connman_provider_set_data(struct connman_provider *provider, void *data)
 996 {
 997         provider->driver_data = data;
 998 }
 999
1000 void connman_provider_set_index(struct connman_provider *provider, int index)
1001 {
1002         struct connman_service *service = provider->vpn_service;
1003         struct connman_ipconfig *ipconfig;
1004
1005         DBG("");
1006
1007         if (service == NULL)
1008                 return;
1009
1010         ipconfig = __connman_service_get_ip4config(service);
1011
1012         if (ipconfig == NULL) {
1013                 __connman_service_create_ip4config(service, index);
1014
1015                 ipconfig = __connman_service_get_ip4config(service);
1016                 if (ipconfig == NULL) {
1017                         DBG("Couldnt create ipconfig");
1018                         goto done;
1019                 }
1020         }
1021
1022         __connman_ipconfig_set_method(ipconfig, CONNMAN_IPCONFIG_METHOD_FIXED);
1023         __connman_ipconfig_set_index(ipconfig, index);
1024
1025
1026         ipconfig = __connman_service_get_ip6config(service);
1027
1028         if (ipconfig == NULL) {
1029                 __connman_service_create_ip6config(service, index);
1030
1031                 ipconfig = __connman_service_get_ip6config(service);
1032                 if (ipconfig == NULL) {
1033                         DBG("Couldnt create ipconfig for IPv6");
1034                         goto done;
1035                 }
1036         }
1037
1038         __connman_ipconfig_set_method(ipconfig, CONNMAN_IPCONFIG_METHOD_OFF);
1039         __connman_ipconfig_set_index(ipconfig, index);
1040
1041 done:
1042         provider->index = index;
1043 }
1044
1045 int connman_provider_get_index(struct connman_provider *provider)
1046 {
1047         return provider->index;
1048 }
1049
1050 int connman_provider_set_ipaddress(struct connman_provider *provider,
1051                                         struct connman_ipaddress *ipaddress)
1052 {
1053         struct connman_ipconfig *ipconfig = NULL;
1054
1055         ipconfig = __connman_service_get_ipconfig(provider->vpn_service,
1056                                                         ipaddress->family);
1057         if (ipconfig == NULL)
1058                 return -EINVAL;
1059
1060         provider->family = ipaddress->family;
1061
1062         __connman_ipconfig_set_local(ipconfig, ipaddress->local);
1063         __connman_ipconfig_set_peer(ipconfig, ipaddress->peer);
1064         __connman_ipconfig_set_broadcast(ipconfig, ipaddress->broadcast);
1065         __connman_ipconfig_set_gateway(ipconfig, ipaddress->gateway);
1066         __connman_ipconfig_set_prefixlen(ipconfig, ipaddress->prefixlen);
1067
1068         return 0;
1069 }
1070
1071 int connman_provider_set_pac(struct connman_provider *provider, const char *pac)
1072 {
1073         DBG("provider %p pac %s", provider, pac);
1074
1075         __connman_service_set_pac(provider->vpn_service, pac);
1076
1077         return 0;
1078 }
1079
1080
1081 int connman_provider_set_domain(struct connman_provider *provider,
1082                                         const char *domain)
1083 {
1084         DBG("provider %p domain %s", provider, domain);
1085
1086         g_free(provider->domain);
1087         provider->domain = g_strdup(domain);
1088
1089         __connman_service_set_domainname(provider->vpn_service, domain);
1090
1091         return 0;
1092 }
1093
1094 int connman_provider_set_nameservers(struct connman_provider *provider,
1095                                         const char *nameservers)
1096 {
1097         int i;
1098         char **nameservers_array = NULL;
1099
1100         DBG("provider %p nameservers %s", provider, nameservers);
1101
1102         __connman_service_nameserver_clear(provider->vpn_service);
1103
1104         if (nameservers == NULL)
1105                 return 0;
1106
1107         nameservers_array = g_strsplit(nameservers, " ", 0);
1108
1109         for (i = 0; nameservers_array[i] != NULL; i++) {
1110                 __connman_service_nameserver_append(provider->vpn_service,
1111                                                 nameservers_array[i], FALSE);
1112         }
1113
1114         g_strfreev(nameservers_array);
1115
1116         return 0;
1117 }
1118
1119 enum provider_route_type {
1120         PROVIDER_ROUTE_TYPE_NONE = 0,
1121         PROVIDER_ROUTE_TYPE_MASK = 1,
1122         PROVIDER_ROUTE_TYPE_ADDR = 2,
1123         PROVIDER_ROUTE_TYPE_GW   = 3,
1124 };
1125
1126 static int route_env_parse(struct connman_provider *provider, const char *key,
1127                                 int *family, unsigned long *idx,
1128                                 enum provider_route_type *type)
1129 {
1130         char *end;
1131         const char *start;
1132
1133         DBG("name %s", provider->name);
1134
1135         if (!strcmp(provider->type, "openvpn")) {
1136                 if (g_str_has_prefix(key, "route_network_") == TRUE) {
1137                         start = key + strlen("route_network_");
1138                         *type = PROVIDER_ROUTE_TYPE_ADDR;
1139                 } else if (g_str_has_prefix(key, "route_netmask_") == TRUE) {
1140                         start = key + strlen("route_netmask_");
1141                         *type = PROVIDER_ROUTE_TYPE_MASK;
1142                 } else if (g_str_has_prefix(key, "route_gateway_") == TRUE) {
1143                         start = key + strlen("route_gateway_");
1144                         *type = PROVIDER_ROUTE_TYPE_GW;
1145                 } else
1146                         return -EINVAL;
1147
1148                 *family = AF_INET;
1149                 *idx = g_ascii_strtoull(start, &end, 10);
1150
1151         } else if (!strcmp(provider->type, "openconnect")) {
1152                 if (g_str_has_prefix(key, "CISCO_SPLIT_INC_") == TRUE) {
1153                         *family = AF_INET;
1154                         start = key + strlen("CISCO_SPLIT_INC_");
1155                 } else if (g_str_has_prefix(key, "CISCO_IPV6_SPLIT_INC_") == TRUE) {
1156                         *family = AF_INET6;
1157                         start = key + strlen("CISCO_IPV6_SPLIT_INC_");
1158                 } else
1159                         return -EINVAL;
1160
1161                 *idx = g_ascii_strtoull(start, &end, 10);
1162
1163                 if (strncmp(end, "_ADDR", 5) == 0)
1164                         *type = PROVIDER_ROUTE_TYPE_ADDR;
1165                 else if (strncmp(end, "_MASK", 5) == 0)
1166                         *type = PROVIDER_ROUTE_TYPE_MASK;
1167                 else if (strncmp(end, "_MASKLEN", 8) == 0 &&
1168                                 *family == AF_INET6) {
1169                         *type = PROVIDER_ROUTE_TYPE_MASK;
1170                 } else
1171                         return -EINVAL;
1172         }
1173
1174         return 0;
1175 }
1176
1177 int connman_provider_append_route(struct connman_provider *provider,
1178                                         const char *key, const char *value)
1179 {
1180         struct connman_route *route;
1181         int ret, family = 0;
1182         unsigned long idx = 0;
1183         enum provider_route_type type = PROVIDER_ROUTE_TYPE_NONE;
1184
1185         DBG("key %s value %s", key, value);
1186
1187         ret = route_env_parse(provider, key, &family, &idx, &type);
1188         if (ret < 0)
1189                 return ret;
1190
1191         DBG("idx %lu family %d type %d", idx, family, type);
1192
1193         route = g_hash_table_lookup(provider->routes, GINT_TO_POINTER(idx));
1194         if (route == NULL) {
1195                 route = g_try_new0(struct connman_route, 1);
1196                 if (route == NULL) {
1197                         connman_error("out of memory");
1198                         return -ENOMEM;
1199                 }
1200
1201                 route->family = family;
1202
1203                 g_hash_table_replace(provider->routes, GINT_TO_POINTER(idx),
1204                                                 route);
1205         }
1206
1207         switch (type) {
1208         case PROVIDER_ROUTE_TYPE_NONE:
1209                 break;
1210         case PROVIDER_ROUTE_TYPE_MASK:
1211                 route->netmask = g_strdup(value);
1212                 break;
1213         case PROVIDER_ROUTE_TYPE_ADDR:
1214                 route->host = g_strdup(value);
1215                 break;
1216         case PROVIDER_ROUTE_TYPE_GW:
1217                 route->gateway = g_strdup(value);
1218                 break;
1219         }
1220
1221         return 0;
1222 }
1223
1224 const char *connman_provider_get_driver_name(struct connman_provider *provider)
1225 {
1226         if (provider->driver == NULL)
1227                 return NULL;
1228
1229         return provider->driver->name;
1230 }
1231
1232 const char *connman_provider_get_save_group(struct connman_provider *provider)
1233 {
1234         return provider->identifier;
1235 }
1236
1237 static gint compare_priority(gconstpointer a, gconstpointer b)
1238 {
1239         return 0;
1240 }
1241
1242 static void clean_provider(gpointer key, gpointer value, gpointer user_data)
1243 {
1244         struct connman_provider *provider = value;
1245
1246         if (provider->driver != NULL && provider->driver->remove)
1247                 provider->driver->remove(provider);
1248 }
1249
1250 int connman_provider_driver_register(struct connman_provider_driver *driver)
1251 {
1252         DBG("driver %p name %s", driver, driver->name);
1253
1254         driver_list = g_slist_insert_sorted(driver_list, driver,
1255                                                         compare_priority);
1256         provider_create_all_from_type(driver->name);
1257         return 0;
1258 }
1259
1260 void connman_provider_driver_unregister(struct connman_provider_driver *driver)
1261 {
1262         DBG("driver %p name %s", driver, driver->name);
1263
1264         driver_list = g_slist_remove(driver_list, driver);
1265 }
1266
1267 static void provider_remove_all(gpointer key, gpointer value,
1268                                                 gpointer user_data)
1269 {
1270         struct connman_provider *provider = value;
1271
1272         __connman_provider_remove(provider->identifier);
1273 }
1274
1275 static void provider_offline_mode(connman_bool_t enabled)
1276 {
1277         DBG("enabled %d", enabled);
1278
1279         if (enabled == TRUE)
1280                 g_hash_table_foreach(provider_hash, provider_remove_all, NULL);
1281
1282 }
1283
1284 static struct connman_provider *provider_get(int index)
1285 {
1286         GHashTableIter iter;
1287         gpointer value, key;
1288
1289         g_hash_table_iter_init(&iter, provider_hash);
1290
1291         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1292                 struct connman_provider *provider = value;
1293
1294                 if (provider->index == index)
1295                         return provider;
1296         }
1297
1298         return NULL;
1299 }
1300
1301 static void provider_service_changed(struct connman_service *service,
1302                                 enum connman_service_state state)
1303 {
1304         struct connman_provider *provider;
1305         int vpn_index, service_index;
1306
1307         if (service == NULL)
1308                 return;
1309
1310         switch (state) {
1311         case CONNMAN_SERVICE_STATE_UNKNOWN:
1312         case CONNMAN_SERVICE_STATE_IDLE:
1313         case CONNMAN_SERVICE_STATE_ASSOCIATION:
1314         case CONNMAN_SERVICE_STATE_CONFIGURATION:
1315         case CONNMAN_SERVICE_STATE_READY:
1316         case CONNMAN_SERVICE_STATE_ONLINE:
1317                 return;
1318         case CONNMAN_SERVICE_STATE_DISCONNECT:
1319         case CONNMAN_SERVICE_STATE_FAILURE:
1320                 break;
1321         }
1322
1323         service_index = __connman_service_get_index(service);
1324
1325         vpn_index = __connman_connection_get_vpn_index(service_index);
1326
1327         DBG("service %p %s state %d index %d/%d", service,
1328                 __connman_service_get_ident(service),
1329                 state, service_index, vpn_index);
1330
1331         if (vpn_index < 0)
1332                 return;
1333
1334         provider = provider_get(vpn_index);
1335         if (provider == NULL)
1336                 return;
1337
1338         DBG("disconnect %p index %d", provider, vpn_index);
1339
1340         __connman_provider_disconnect(provider);
1341
1342         return;
1343 }
1344
1345 static struct connman_notifier provider_notifier = {
1346         .name                   = "provider",
1347         .offline_mode           = provider_offline_mode,
1348         .service_state_changed  = provider_service_changed,
1349 };
1350
1351 int __connman_provider_init(void)
1352 {
1353         int err;
1354
1355         DBG("");
1356
1357         connection = connman_dbus_get_connection();
1358
1359         provider_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
1360                                                 NULL, unregister_provider);
1361
1362         err = connman_notifier_register(&provider_notifier);
1363         if (err < 0) {
1364                 g_hash_table_destroy(provider_hash);
1365                 dbus_connection_unref(connection);
1366         }
1367
1368         return err;
1369 }
1370
1371 void __connman_provider_cleanup(void)
1372 {
1373         DBG("");
1374
1375         connman_notifier_unregister(&provider_notifier);
1376
1377         g_hash_table_foreach(provider_hash, clean_provider, NULL);
1378
1379         g_hash_table_destroy(provider_hash);
1380         provider_hash = NULL;
1381
1382         dbus_connection_unref(connection);
1383 }