src/config.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2013  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 <stdlib.h>
  29 #include <unistd.h>
  30 #include <string.h>
  31 #include <sys/vfs.h>
  32 #include <sys/inotify.h>
  33 #include <netdb.h>
  34 #include <glib.h>
  35
  36 #include <connman/provision.h>
  37 #include <connman/ipaddress.h>
  38 #include "connman.h"
  39
  40 struct connman_config_service {
  41         char *ident;
  42         char *name;
  43         char *type;
  44         void *ssid;
  45         unsigned int ssid_len;
  46         char *eap;
  47         char *identity;
  48         char *anonymous_identity;
  49         char *ca_cert_file;
  50         char *subject_match;
  51         char *altsubject_match;
  52         char *domain_suffix_match;
  53         char *domain_match;
  54         char *client_cert_file;
  55         char *private_key_file;
  56         char *private_key_passphrase;
  57         char *private_key_passphrase_type;
  58         char *phase2;
  59         char *passphrase;
  60         enum connman_service_security security;
  61         GSList *service_identifiers;
  62         char *config_ident; /* file prefix */
  63         char *config_entry; /* entry name */
  64         bool hidden;
  65         bool virtual;
  66         char *virtual_file;
  67         char *ipv4_address;
  68         char *ipv4_netmask;
  69         char *ipv4_gateway;
  70         char *ipv6_address;
  71         unsigned char ipv6_prefix_length;
  72         char *ipv6_gateway;
  73         char *ipv6_privacy;
  74         char *mac;
  75         bool mdns;
  76         char **nameservers;
  77         char **search_domains;
  78         char **timeservers;
  79         char *domain_name;
  80 };
  81
  82 struct connman_config {
  83         char *ident;
  84         char *name;
  85         char *description;
  86         GHashTable *service_table;
  87 };
  88
  89 static GHashTable *config_table = NULL;
  90
  91 static bool cleanup = false;
  92
  93 /* Definition of possible strings in the .config files */
  94 #define CONFIG_KEY_NAME                "Name"
  95 #define CONFIG_KEY_DESC                "Description"
  96
  97 #define SERVICE_KEY_TYPE               "Type"
  98 #define SERVICE_KEY_NAME               "Name"
  99 #define SERVICE_KEY_SSID               "SSID"
 100 #define SERVICE_KEY_EAP                "EAP"
 101 #define SERVICE_KEY_CA_CERT            "CACertFile"
 102 #define SERVICE_KEY_CL_CERT            "ClientCertFile"
 103 #define SERVICE_KEY_PRV_KEY            "PrivateKeyFile"
 104 #define SERVICE_KEY_PRV_KEY_PASS       "PrivateKeyPassphrase"
 105 #define SERVICE_KEY_PRV_KEY_PASS_TYPE  "PrivateKeyPassphraseType"
 106 #define SERVICE_KEY_IDENTITY           "Identity"
 107 #define SERVICE_KEY_ANONYMOUS_IDENTITY "AnonymousIdentity"
 108 #define SERVICE_KEY_SUBJECT_MATCH      "SubjectMatch"
 109 #define SERVICE_KEY_ALT_SUBJECT_MATCH  "AltSubjectMatch"
 110 #define SERVICE_KEY_DOMAIN_SUFF_MATCH  "DomainSuffixMatch"
 111 #define SERVICE_KEY_DOMAIN_MATCH       "DomainMatch"
 112 #define SERVICE_KEY_PHASE2             "Phase2"
 113 #define SERVICE_KEY_PASSPHRASE         "Passphrase"
 114 #define SERVICE_KEY_SECURITY           "Security"
 115 #define SERVICE_KEY_HIDDEN             "Hidden"
 116 #define SERVICE_KEY_MDNS               "mDNS"
 117
 118 #define SERVICE_KEY_IPv4               "IPv4"
 119 #define SERVICE_KEY_IPv6               "IPv6"
 120 #define SERVICE_KEY_IPv6_PRIVACY       "IPv6.Privacy"
 121 #define SERVICE_KEY_MAC                "MAC"
 122 #define SERVICE_KEY_NAMESERVERS        "Nameservers"
 123 #define SERVICE_KEY_SEARCH_DOMAINS     "SearchDomains"
 124 #define SERVICE_KEY_TIMESERVERS        "Timeservers"
 125 #define SERVICE_KEY_DOMAIN             "Domain"
 126
 127 static const char *config_possible_keys[] = {
 128         CONFIG_KEY_NAME,
 129         CONFIG_KEY_DESC,
 130         NULL,
 131 };
 132
 133 static const char *service_possible_keys[] = {
 134         SERVICE_KEY_TYPE,
 135         SERVICE_KEY_NAME,
 136         SERVICE_KEY_SSID,
 137         SERVICE_KEY_EAP,
 138         SERVICE_KEY_CA_CERT,
 139         SERVICE_KEY_CL_CERT,
 140         SERVICE_KEY_PRV_KEY,
 141         SERVICE_KEY_PRV_KEY_PASS,
 142         SERVICE_KEY_PRV_KEY_PASS_TYPE,
 143         SERVICE_KEY_IDENTITY,
 144         SERVICE_KEY_ANONYMOUS_IDENTITY,
 145         SERVICE_KEY_SUBJECT_MATCH,
 146         SERVICE_KEY_ALT_SUBJECT_MATCH,
 147         SERVICE_KEY_DOMAIN_SUFF_MATCH,
 148         SERVICE_KEY_DOMAIN_MATCH,
 149         SERVICE_KEY_PHASE2,
 150         SERVICE_KEY_PASSPHRASE,
 151         SERVICE_KEY_SECURITY,
 152         SERVICE_KEY_HIDDEN,
 153         SERVICE_KEY_IPv4,
 154         SERVICE_KEY_IPv6,
 155         SERVICE_KEY_IPv6_PRIVACY,
 156         SERVICE_KEY_MAC,
 157         SERVICE_KEY_MDNS,
 158         SERVICE_KEY_NAMESERVERS,
 159         SERVICE_KEY_SEARCH_DOMAINS,
 160         SERVICE_KEY_TIMESERVERS,
 161         SERVICE_KEY_DOMAIN,
 162         NULL,
 163 };
 164
 165 static void unregister_config(gpointer data)
 166 {
 167         struct connman_config *config = data;
 168
 169         connman_info("Removing configuration %s", config->ident);
 170
 171         g_hash_table_destroy(config->service_table);
 172
 173         g_free(config->description);
 174         g_free(config->name);
 175         g_free(config->ident);
 176         g_free(config);
 177 }
 178
 179 static void unregister_service(gpointer data)
 180 {
 181         struct connman_config_service *config_service = data;
 182         struct connman_service *service;
 183         char *service_id;
 184         GSList *list;
 185
 186         if (cleanup)
 187                 goto free_only;
 188
 189         connman_info("Removing service configuration %s",
 190                                                 config_service->ident);
 191
 192         if (config_service->virtual)
 193                 goto free_only;
 194
 195         for (list = config_service->service_identifiers; list;
 196                                                         list = list->next) {
 197                 service_id = list->data;
 198
 199                 service = connman_service_lookup_from_identifier(service_id);
 200                 if (service) {
 201                         __connman_service_set_immutable(service, false);
 202                         __connman_service_set_config(service, NULL, NULL);
 203                         __connman_service_remove(service);
 204
 205                         /*
 206                          * Ethernet or gadget service cannot be removed by
 207                          * __connman_service_remove() so reset the ipconfig
 208                          * here.
 209                          */
 210                         if (connman_service_get_type(service) ==
 211                                                 CONNMAN_SERVICE_TYPE_ETHERNET ||
 212                                         connman_service_get_type(service) ==
 213                                                 CONNMAN_SERVICE_TYPE_GADGET) {
 214                                 __connman_service_disconnect(service);
 215                                 __connman_service_reset_ipconfig(service,
 216                                         CONNMAN_IPCONFIG_TYPE_IPV4, NULL, NULL);
 217                                 __connman_service_reset_ipconfig(service,
 218                                         CONNMAN_IPCONFIG_TYPE_IPV6, NULL, NULL);
 219                                 __connman_service_set_ignore(service, true);
 220
 221                                 /*
 222                                  * After these operations, user needs to
 223                                  * reconnect ethernet cable to get IP
 224                                  * address.
 225                                  */
 226                         }
 227                 }
 228
 229                 if (!__connman_storage_remove_service(service_id))
 230                         DBG("Could not remove all files for service %s",
 231                                                                 service_id);
 232         }
 233
 234 free_only:
 235         g_free(config_service->ident);
 236         g_free(config_service->type);
 237         g_free(config_service->name);
 238         g_free(config_service->ssid);
 239         g_free(config_service->eap);
 240         g_free(config_service->identity);
 241         g_free(config_service->anonymous_identity);
 242         g_free(config_service->ca_cert_file);
 243         g_free(config_service->subject_match);
 244         g_free(config_service->altsubject_match);
 245         g_free(config_service->domain_suffix_match);
 246         g_free(config_service->domain_match);
 247         g_free(config_service->client_cert_file);
 248         g_free(config_service->private_key_file);
 249         g_free(config_service->private_key_passphrase);
 250         g_free(config_service->private_key_passphrase_type);
 251         g_free(config_service->phase2);
 252         g_free(config_service->passphrase);
 253         g_free(config_service->ipv4_address);
 254         g_free(config_service->ipv4_gateway);
 255         g_free(config_service->ipv4_netmask);
 256         g_free(config_service->ipv6_address);
 257         g_free(config_service->ipv6_gateway);
 258         g_free(config_service->ipv6_privacy);
 259         g_free(config_service->mac);
 260         g_strfreev(config_service->nameservers);
 261         g_strfreev(config_service->search_domains);
 262         g_strfreev(config_service->timeservers);
 263         g_free(config_service->domain_name);
 264         g_slist_free_full(config_service->service_identifiers, g_free);
 265         g_free(config_service->config_ident);
 266         g_free(config_service->config_entry);
 267         g_free(config_service->virtual_file);
 268         g_free(config_service);
 269 }
 270
 271 static void check_keys(GKeyFile *keyfile, const char *group,
 272                         const char **possible_keys)
 273 {
 274         char **avail_keys;
 275         gsize nb_avail_keys, i, j;
 276
 277         avail_keys = g_key_file_get_keys(keyfile, group, &nb_avail_keys, NULL);
 278         if (!avail_keys)
 279                 return;
 280
 281         /*
 282          * For each key in the configuration file,
 283          * verify it is understood by connman
 284          */
 285         for (i = 0 ; i < nb_avail_keys; i++) {
 286                 for (j = 0; possible_keys[j] ; j++)
 287                         if (g_strcmp0(avail_keys[i], possible_keys[j]) == 0)
 288                                 break;
 289
 290                 if (!possible_keys[j])
 291                         connman_warn("Unknown configuration key %s in [%s]",
 292                                         avail_keys[i], group);
 293         }
 294
 295         g_strfreev(avail_keys);
 296 }
 297
 298 static int check_family(const char *address, int expected_family)
 299 {
 300         int family;
 301         int err = 0;
 302
 303         family = connman_inet_check_ipaddress(address);
 304         if (family < 0) {
 305                 DBG("Cannot get address family of %s (%d/%s)", address,
 306                         family, gai_strerror(family));
 307                 err = -EINVAL;
 308                 goto out;
 309         }
 310
 311         switch (family) {
 312         case AF_INET:
 313                 if (expected_family != AF_INET) {
 314                         DBG("Wrong type address %s, expecting IPv4", address);
 315                         err = -EINVAL;
 316                         goto out;
 317                 }
 318                 break;
 319         case AF_INET6:
 320                 if (expected_family != AF_INET6) {
 321                         DBG("Wrong type address %s, expecting IPv6", address);
 322                         err = -EINVAL;
 323                         goto out;
 324                 }
 325                 break;
 326         default:
 327                 DBG("Unsupported address family %d", family);
 328                 err = -EINVAL;
 329                 goto out;
 330         }
 331
 332 out:
 333         return err;
 334 }
 335
 336 static int parse_address(const char *address_str, int address_family,
 337                         char **address, char **netmask, char **gateway)
 338 {
 339         char *addr_str, *mask_str, *gw_str;
 340         int err = 0;
 341         char **route;
 342
 343         route = g_strsplit(address_str, "/", 0);
 344         if (!route)
 345                 return -EINVAL;
 346
 347         addr_str = route[0];
 348         if (!addr_str || addr_str[0] == '\0') {
 349                 err = -EINVAL;
 350                 goto out;
 351         }
 352
 353         if ((err = check_family(addr_str, address_family)) < 0)
 354                 goto out;
 355
 356         mask_str = route[1];
 357         if (!mask_str || mask_str[0] == '\0') {
 358                 err = -EINVAL;
 359                 goto out;
 360         }
 361
 362         gw_str = route[2];
 363         if (gw_str && gw_str[0]) {
 364                 if ((err = check_family(gw_str, address_family)) < 0)
 365                         goto out;
 366         }
 367
 368         g_free(*address);
 369         *address = g_strdup(addr_str);
 370
 371         g_free(*netmask);
 372         *netmask = g_strdup(mask_str);
 373
 374         g_free(*gateway);
 375         *gateway = g_strdup(gw_str);
 376
 377         if (*gateway)
 378                 DBG("address %s/%s via %s", *address, *netmask, *gateway);
 379         else
 380                 DBG("address %s/%s", *address, *netmask);
 381
 382 out:
 383         g_strfreev(route);
 384
 385         return err;
 386 }
 387
 388 static bool check_address(char *address_str, char **address)
 389 {
 390         if (g_ascii_strcasecmp(address_str, "auto") == 0 ||
 391                         g_ascii_strcasecmp(address_str, "dhcp") == 0 ||
 392                         g_ascii_strcasecmp(address_str, "off") == 0) {
 393                 *address = address_str;
 394                 return false;
 395         }
 396
 397         return true;
 398 }
 399
 400 static bool load_service_generic(GKeyFile *keyfile,
 401                         const char *group, struct connman_config *config,
 402                         struct connman_config_service *service)
 403 {
 404         char *str, *mask;
 405         char **strlist;
 406         gsize length;
 407
 408         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_IPv4, NULL);
 409         if (str && check_address(str, &service->ipv4_address)) {
 410                 mask = NULL;
 411
 412                 if (parse_address(str, AF_INET, &service->ipv4_address,
 413                                         &mask, &service->ipv4_gateway) < 0) {
 414                         connman_warn("Invalid format for IPv4 address %s",
 415                                                                         str);
 416                         g_free(str);
 417                         goto err;
 418                 }
 419
 420                 if (!g_strrstr(mask, ".")) {
 421                         /* We have netmask length */
 422                         in_addr_t addr;
 423                         struct in_addr netmask_in;
 424                         unsigned char prefix_len = 32;
 425                         char *ptr;
 426                         long int value = strtol(mask, &ptr, 10);
 427
 428                         if (ptr != mask && *ptr == '\0' && value && value <= 32)
 429                                 prefix_len = value;
 430
 431                         addr = 0xffffffff << (32 - prefix_len);
 432                         netmask_in.s_addr = htonl(addr);
 433                         service->ipv4_netmask =
 434                                 g_strdup(inet_ntoa(netmask_in));
 435
 436                         g_free(mask);
 437                 } else
 438                         service->ipv4_netmask = mask;
 439
 440                 g_free(str);
 441         }
 442
 443         str =  __connman_config_get_string(keyfile, group, SERVICE_KEY_IPv6, NULL);
 444         if (str && check_address(str, &service->ipv6_address)) {
 445                 long int value;
 446                 char *ptr;
 447
 448                 mask = NULL;
 449
 450                 if (parse_address(str, AF_INET6, &service->ipv6_address,
 451                                         &mask, &service->ipv6_gateway) < 0) {
 452                         connman_warn("Invalid format for IPv6 address %s",
 453                                                                         str);
 454                         g_free(str);
 455                         goto err;
 456                 }
 457
 458                 value = strtol(mask, &ptr, 10);
 459                 if (ptr != mask && *ptr == '\0' && value <= 128)
 460                         service->ipv6_prefix_length = value;
 461                 else
 462                         service->ipv6_prefix_length = 128;
 463
 464                 g_free(mask);
 465                 g_free(str);
 466         }
 467
 468         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_IPv6_PRIVACY,
 469                                                                         NULL);
 470         if (str) {
 471                 g_free(service->ipv6_privacy);
 472                 service->ipv6_privacy = str;
 473         }
 474
 475         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_MAC, NULL);
 476         if (str) {
 477                 g_free(service->mac);
 478                 service->mac = str;
 479         }
 480
 481         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_DOMAIN, NULL);
 482         if (str) {
 483                 g_free(service->domain_name);
 484                 service->domain_name = str;
 485         }
 486
 487         strlist = __connman_config_get_string_list(keyfile, group,
 488                                         SERVICE_KEY_NAMESERVERS,
 489                                         &length, NULL);
 490         if (strlist) {
 491                 if (length != 0) {
 492                         g_strfreev(service->nameservers);
 493                         service->nameservers = strlist;
 494                 } else
 495                         g_strfreev(strlist);
 496         }
 497
 498         strlist = __connman_config_get_string_list(keyfile, group,
 499                                         SERVICE_KEY_SEARCH_DOMAINS,
 500                                         &length, NULL);
 501         if (strlist) {
 502                 if (length != 0) {
 503                         g_strfreev(service->search_domains);
 504                         service->search_domains = strlist;
 505                 } else
 506                         g_strfreev(strlist);
 507         }
 508
 509         strlist = __connman_config_get_string_list(keyfile, group,
 510                                         SERVICE_KEY_TIMESERVERS,
 511                                         &length, NULL);
 512         if (strlist) {
 513                 if (length != 0) {
 514                         g_strfreev(service->timeservers);
 515                         service->timeservers = strlist;
 516                 } else
 517                         g_strfreev(strlist);
 518         }
 519
 520         service->mdns = __connman_config_get_bool(keyfile, group,
 521                                                 SERVICE_KEY_MDNS, NULL);
 522
 523         return true;
 524
 525 err:
 526         g_free(service->ident);
 527         g_free(service->type);
 528         g_free(service->ipv4_address);
 529         g_free(service->ipv4_netmask);
 530         g_free(service->ipv4_gateway);
 531         g_free(service->ipv6_address);
 532         g_free(service->ipv6_gateway);
 533         g_free(service->mac);
 534         g_free(service);
 535
 536         return false;
 537 }
 538
 539 static bool load_service(GKeyFile *keyfile, const char *group,
 540                                                 struct connman_config *config)
 541 {
 542         struct connman_config_service *service;
 543         const char *ident;
 544         char *str, *hex_ssid;
 545         enum connman_service_security security;
 546         bool service_created = false;
 547
 548         /* Strip off "service_" prefix */
 549         ident = group + 8;
 550
 551         if (strlen(ident) < 1)
 552                 return false;
 553
 554         /* Verify that provided keys are good */
 555         check_keys(keyfile, group, service_possible_keys);
 556
 557         service = g_hash_table_lookup(config->service_table, ident);
 558         if (!service) {
 559                 service = g_try_new0(struct connman_config_service, 1);
 560                 if (!service)
 561                         return false;
 562
 563                 service->ident = g_strdup(ident);
 564
 565                 service_created = true;
 566         }
 567
 568         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_TYPE, NULL);
 569         if (str) {
 570                 g_free(service->type);
 571                 service->type = str;
 572         } else {
 573                 connman_warn("Type of the configured service is missing "
 574                         "for group %s", group);
 575                 goto err;
 576         }
 577
 578         if (!load_service_generic(keyfile, group, config, service))
 579                 return false;
 580
 581         if (g_strcmp0(str, "ethernet") == 0) {
 582                 service->config_ident = g_strdup(config->ident);
 583                 service->config_entry = g_strdup_printf("service_%s",
 584                                                         service->ident);
 585
 586                 g_hash_table_insert(config->service_table, service->ident,
 587                                                                 service);
 588                 return true;
 589         }
 590
 591         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_NAME, NULL);
 592         if (str) {
 593                 g_free(service->name);
 594                 service->name = str;
 595         }
 596
 597         hex_ssid = __connman_config_get_string(keyfile, group, SERVICE_KEY_SSID,
 598                                          NULL);
 599         if (hex_ssid) {
 600                 char *ssid;
 601                 unsigned int i, j = 0, hex;
 602                 size_t hex_ssid_len = strlen(hex_ssid);
 603
 604                 ssid = g_try_malloc0(hex_ssid_len / 2);
 605                 if (!ssid) {
 606                         g_free(hex_ssid);
 607                         goto err;
 608                 }
 609
 610                 for (i = 0; i < hex_ssid_len; i += 2) {
 611                         if (sscanf(hex_ssid + i, "%02x", &hex) <= 0) {
 612                                 connman_warn("Invalid SSID %s", hex_ssid);
 613                                 g_free(ssid);
 614                                 g_free(hex_ssid);
 615                                 goto err;
 616                         }
 617                         ssid[j++] = hex;
 618                 }
 619
 620                 g_free(hex_ssid);
 621
 622                 g_free(service->ssid);
 623                 service->ssid = ssid;
 624                 service->ssid_len = hex_ssid_len / 2;
 625         } else if (service->name) {
 626                 char *ssid;
 627                 unsigned int ssid_len;
 628
 629                 ssid_len = strlen(service->name);
 630                 ssid = g_try_malloc0(ssid_len);
 631                 if (!ssid)
 632                         goto err;
 633
 634                 memcpy(ssid, service->name, ssid_len);
 635                 g_free(service->ssid);
 636                 service->ssid = ssid;
 637                 service->ssid_len = ssid_len;
 638         }
 639
 640         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_EAP, NULL);
 641         if (str) {
 642                 g_free(service->eap);
 643                 service->eap = str;
 644         }
 645
 646         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_CA_CERT, NULL);
 647         if (str) {
 648                 g_free(service->ca_cert_file);
 649                 service->ca_cert_file = str;
 650         }
 651
 652         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_CL_CERT, NULL);
 653         if (str) {
 654                 g_free(service->client_cert_file);
 655                 service->client_cert_file = str;
 656         }
 657
 658         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_PRV_KEY, NULL);
 659         if (str) {
 660                 g_free(service->private_key_file);
 661                 service->private_key_file = str;
 662         }
 663
 664         str = __connman_config_get_string(keyfile, group,
 665                                                 SERVICE_KEY_PRV_KEY_PASS, NULL);
 666         if (str) {
 667                 g_free(service->private_key_passphrase);
 668                 service->private_key_passphrase = str;
 669         }
 670
 671         str = __connman_config_get_string(keyfile, group,
 672                                         SERVICE_KEY_PRV_KEY_PASS_TYPE, NULL);
 673         if (str) {
 674                 g_free(service->private_key_passphrase_type);
 675                 service->private_key_passphrase_type = str;
 676         }
 677
 678         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_IDENTITY, NULL);
 679         if (str) {
 680                 g_free(service->identity);
 681                 service->identity = str;
 682         }
 683
 684         str = __connman_config_get_string(keyfile, group,
 685                                         SERVICE_KEY_ANONYMOUS_IDENTITY, NULL);
 686         if (str) {
 687                 g_free(service->anonymous_identity);
 688                 service->anonymous_identity = str;
 689         }
 690
 691         str = __connman_config_get_string(keyfile, group,
 692                                         SERVICE_KEY_SUBJECT_MATCH, NULL);
 693         if (str) {
 694                 g_free(service->subject_match);
 695                 service->subject_match = str;
 696         }
 697
 698         str = __connman_config_get_string(keyfile, group,
 699                                         SERVICE_KEY_ALT_SUBJECT_MATCH, NULL);
 700         if (str) {
 701                 g_free(service->altsubject_match);
 702                 service->altsubject_match = str;
 703         }
 704
 705         str = __connman_config_get_string(keyfile, group,
 706                                         SERVICE_KEY_DOMAIN_SUFF_MATCH, NULL);
 707         if (str) {
 708                 g_free(service->domain_suffix_match);
 709                 service->domain_suffix_match = str;
 710         }
 711
 712         str = __connman_config_get_string(keyfile, group,
 713                                         SERVICE_KEY_DOMAIN_MATCH, NULL);
 714         if (str) {
 715                 g_free(service->domain_match);
 716                 service->domain_match = str;
 717         }
 718
 719         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_PHASE2, NULL);
 720         if (str) {
 721                 g_free(service->phase2);
 722                 service->phase2 = str;
 723         }
 724
 725         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_PASSPHRASE,
 726                                         NULL);
 727         if (str) {
 728                 g_free(service->passphrase);
 729                 service->passphrase = str;
 730         }
 731
 732         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_SECURITY,
 733                         NULL);
 734         security = __connman_service_string2security(str);
 735
 736         if (service->eap) {
 737
 738                 if (str && security != CONNMAN_SERVICE_SECURITY_8021X)
 739                         connman_info("Mismatch between EAP configuration and "
 740                                         "setting %s = %s",
 741                                         SERVICE_KEY_SECURITY, str);
 742
 743                 service->security = CONNMAN_SERVICE_SECURITY_8021X;
 744
 745         } else if (service->passphrase) {
 746
 747                 if (str) {
 748                         if (security == CONNMAN_SERVICE_SECURITY_PSK ||
 749                                         security == CONNMAN_SERVICE_SECURITY_WEP) {
 750                                 service->security = security;
 751                         } else {
 752                                 connman_info("Mismatch with passphrase and "
 753                                                 "setting %s = %s",
 754                                                 SERVICE_KEY_SECURITY, str);
 755
 756                                 service->security =
 757                                         CONNMAN_SERVICE_SECURITY_PSK;
 758                         }
 759
 760                 } else
 761                         service->security = CONNMAN_SERVICE_SECURITY_PSK;
 762         } else if (str) {
 763
 764                 if (security != CONNMAN_SERVICE_SECURITY_NONE)
 765                         connman_info("Mismatch no security and "
 766                                         "setting %s = %s",
 767                                         SERVICE_KEY_SECURITY, str);
 768
 769                 service->security = CONNMAN_SERVICE_SECURITY_NONE;
 770         } else
 771                 service->security = CONNMAN_SERVICE_SECURITY_NONE;
 772
 773         g_free(str);
 774
 775         service->config_ident = g_strdup(config->ident);
 776         service->config_entry = g_strdup_printf("service_%s", service->ident);
 777
 778         service->hidden = __connman_config_get_bool(keyfile, group,
 779                                                 SERVICE_KEY_HIDDEN, NULL);
 780
 781         if (service_created)
 782                 g_hash_table_insert(config->service_table, service->ident,
 783                                         service);
 784
 785         connman_info("Adding service configuration %s", service->ident);
 786
 787         return true;
 788
 789 err:
 790         if (service_created) {
 791                 g_free(service->ident);
 792                 g_free(service->type);
 793                 g_free(service->name);
 794                 g_free(service->ssid);
 795                 g_free(service);
 796         }
 797
 798         return false;
 799 }
 800
 801 static bool load_service_from_keyfile(GKeyFile *keyfile,
 802                                                 struct connman_config *config)
 803 {
 804         bool found = false;
 805         char **groups;
 806         int i;
 807
 808         groups = g_key_file_get_groups(keyfile, NULL);
 809
 810         for (i = 0; groups[i]; i++) {
 811                 if (!g_str_has_prefix(groups[i], "service_")) {
 812                         connman_warn("Ignore group named '%s' because prefix "
 813                                 "is not 'service_'", groups[i]);
 814                         continue;
 815                 }
 816                 if (load_service(keyfile, groups[i], config))
 817                         found = true;
 818         }
 819
 820         g_strfreev(groups);
 821
 822         return found;
 823 }
 824
 825 static int load_config(struct connman_config *config)
 826 {
 827         GKeyFile *keyfile;
 828         char *str;
 829
 830         DBG("config %p", config);
 831
 832         keyfile = __connman_storage_load_config(config->ident);
 833         if (!keyfile)
 834                 return -EIO;
 835
 836         g_key_file_set_list_separator(keyfile, ',');
 837
 838         /* Verify keys validity of the global section */
 839         check_keys(keyfile, "global", config_possible_keys);
 840
 841         str = __connman_config_get_string(keyfile, "global", CONFIG_KEY_NAME, NULL);
 842         if (str) {
 843                 g_free(config->name);
 844                 config->name = str;
 845         }
 846
 847         str = __connman_config_get_string(keyfile, "global", CONFIG_KEY_DESC, NULL);
 848         if (str) {
 849                 g_free(config->description);
 850                 config->description = str;
 851         }
 852
 853         if (!load_service_from_keyfile(keyfile, config))
 854                 connman_warn("Config file %s/%s.config does not contain any "
 855                         "configuration that can be provisioned!",
 856                         STORAGEDIR, config->ident);
 857
 858         g_key_file_free(keyfile);
 859
 860         return 0;
 861 }
 862
 863 static struct connman_config *create_config(const char *ident)
 864 {
 865         struct connman_config *config;
 866
 867         DBG("ident %s", ident);
 868
 869         if (g_hash_table_lookup(config_table, ident))
 870                 return NULL;
 871
 872         config = g_try_new0(struct connman_config, 1);
 873         if (!config)
 874                 return NULL;
 875
 876         config->ident = g_strdup(ident);
 877
 878         config->service_table = g_hash_table_new_full(g_str_hash, g_str_equal,
 879                                                 NULL, unregister_service);
 880
 881         g_hash_table_insert(config_table, config->ident, config);
 882
 883         connman_info("Adding configuration %s", config->ident);
 884
 885         return config;
 886 }
 887
 888 static bool validate_ident(const char *ident)
 889 {
 890         unsigned int i;
 891
 892         if (!ident)
 893                 return false;
 894
 895         for (i = 0; i < strlen(ident); i++)
 896                 if (!g_ascii_isprint(ident[i]))
 897                         return false;
 898
 899         return true;
 900 }
 901
 902 static int read_configs(void)
 903 {
 904         GDir *dir;
 905
 906         DBG("");
 907
 908         dir = g_dir_open(STORAGEDIR, 0, NULL);
 909         if (dir) {
 910                 const gchar *file;
 911
 912                 while ((file = g_dir_read_name(dir))) {
 913                         GString *str;
 914                         gchar *ident;
 915
 916                         if (!g_str_has_suffix(file, ".config"))
 917                                 continue;
 918
 919                         ident = g_strrstr(file, ".config");
 920                         if (!ident)
 921                                 continue;
 922
 923                         str = g_string_new_len(file, ident - file);
 924                         if (!str)
 925                                 continue;
 926
 927                         ident = g_string_free(str, FALSE);
 928
 929                         if (validate_ident(ident)) {
 930                                 struct connman_config *config;
 931
 932                                 config = create_config(ident);
 933                                 if (config)
 934                                         load_config(config);
 935                         } else {
 936                                 connman_error("Invalid config ident %s", ident);
 937                         }
 938                         g_free(ident);
 939                 }
 940
 941                 g_dir_close(dir);
 942         }
 943
 944         return 0;
 945 }
 946
 947 static void config_notify_handler(struct inotify_event *event,
 948                                         const char *ident)
 949 {
 950         char *ext;
 951
 952         if (!ident)
 953                 return;
 954
 955         if (!g_str_has_suffix(ident, ".config"))
 956                 return;
 957
 958         ext = g_strrstr(ident, ".config");
 959         if (!ext)
 960                 return;
 961
 962         *ext = '\0';
 963
 964         if (!validate_ident(ident)) {
 965                 connman_error("Invalid config ident %s", ident);
 966                 return;
 967         }
 968
 969         if (event->mask & (IN_CREATE | IN_MOVED_TO))
 970                 create_config(ident);
 971
 972         if (event->mask & (IN_MODIFY | IN_MOVED_TO)) {
 973                 struct connman_config *config;
 974
 975                 config = g_hash_table_lookup(config_table, ident);
 976                 if (config) {
 977                         int ret;
 978
 979                         g_hash_table_remove_all(config->service_table);
 980                         load_config(config);
 981                         ret = __connman_service_provision_changed(ident);
 982                         if (ret > 0) {
 983                                 /*
 984                                  * Re-scan the config file for any
 985                                  * changes
 986                                  */
 987                                 g_hash_table_remove_all(config->service_table);
 988                                 load_config(config);
 989                                 __connman_service_provision_changed(ident);
 990                         }
 991                 }
 992         }
 993
 994         if (event->mask & (IN_DELETE | IN_MOVED_FROM))
 995                 g_hash_table_remove(config_table, ident);
 996 }
 997
 998 int __connman_config_init(void)
 999 {
1000         DBG("");
1001
1002         config_table = g_hash_table_new_full(g_str_hash, g_str_equal,
1003                                                 NULL, unregister_config);
1004
1005         connman_inotify_register(STORAGEDIR, config_notify_handler);
1006
1007         return read_configs();
1008 }
1009
1010 void __connman_config_cleanup(void)
1011 {
1012         DBG("");
1013
1014         cleanup = true;
1015
1016         connman_inotify_unregister(STORAGEDIR, config_notify_handler);
1017
1018         g_hash_table_destroy(config_table);
1019         config_table = NULL;
1020
1021         cleanup = false;
1022 }
1023
1024 char *__connman_config_get_string(GKeyFile *key_file,
1025         const char *group_name, const char *key, GError **error)
1026 {
1027         char *str = g_key_file_get_string(key_file, group_name, key, error);
1028         if (!str)
1029                 return NULL;
1030
1031         /* passphrases can have spaces in the end */
1032         if (!g_strcmp0(key, SERVICE_KEY_PASSPHRASE) ||
1033                         !g_strcmp0(key, SERVICE_KEY_PRV_KEY_PASS))
1034                 return str;
1035
1036         return g_strchomp(str);
1037 }
1038
1039 char **__connman_config_get_string_list(GKeyFile *key_file,
1040         const char *group_name, const char *key, gsize *length, GError **error)
1041 {
1042         char **p;
1043         char **strlist = g_key_file_get_string_list(key_file, group_name, key,
1044                 length, error);
1045         if (!strlist)
1046                 return NULL;
1047
1048         p = strlist;
1049         while (*p) {
1050                 *p = g_strstrip(*p);
1051                 p++;
1052         }
1053
1054         return strlist;
1055 }
1056
1057 bool __connman_config_get_bool(GKeyFile *key_file,
1058         const char *group_name, const char *key, GError **error)
1059 {
1060         char *valstr;
1061         bool val = false;
1062
1063         valstr = g_key_file_get_value(key_file, group_name, key, error);
1064         if (!valstr)
1065                 return false;
1066
1067         valstr = g_strchomp(valstr);
1068         if (strcmp(valstr, "true") == 0 || strcmp(valstr, "1") == 0)
1069                 val = true;
1070
1071         g_free(valstr);
1072
1073         return val;
1074 }
1075
1076 static char *config_pem_fsid(const char *pem_file)
1077 {
1078         struct statfs buf;
1079         unsigned *fsid = (unsigned *) &buf.f_fsid;
1080         unsigned long long fsid64;
1081
1082         if (!pem_file)
1083                 return NULL;
1084
1085         if (statfs(pem_file, &buf) < 0) {
1086                 connman_error("statfs error %s for %s",
1087                                                 strerror(errno), pem_file);
1088                 return NULL;
1089         }
1090
1091         fsid64 = ((unsigned long long) fsid[0] << 32) | fsid[1];
1092
1093         return g_strdup_printf("%llx", fsid64);
1094 }
1095
1096 static void provision_service_wifi(struct connman_config_service *config,
1097                                 struct connman_service *service,
1098                                 struct connman_network *network,
1099                                 const void *ssid, unsigned int ssid_len)
1100 {
1101         if (config->eap)
1102                 __connman_service_set_string(service, "EAP", config->eap);
1103
1104         if (config->identity)
1105                 __connman_service_set_string(service, "Identity",
1106                                                         config->identity);
1107
1108         if (config->anonymous_identity)
1109                 __connman_service_set_string(service, "AnonymousIdentity",
1110                                                 config->anonymous_identity);
1111
1112         if (config->ca_cert_file)
1113                 __connman_service_set_string(service, "CACertFile",
1114                                                         config->ca_cert_file);
1115
1116         if (config->subject_match)
1117                 __connman_service_set_string(service, "SubjectMatch",
1118                                                         config->subject_match);
1119
1120         if (config->altsubject_match)
1121                 __connman_service_set_string(service, "AltSubjectMatch",
1122                                                         config->altsubject_match);
1123
1124         if (config->domain_suffix_match)
1125                 __connman_service_set_string(service, "DomainSuffixMatch",
1126                                                         config->domain_suffix_match);
1127
1128         if (config->domain_match)
1129                 __connman_service_set_string(service, "DomainMatch",
1130                                                         config->domain_match);
1131
1132         if (config->client_cert_file)
1133                 __connman_service_set_string(service, "ClientCertFile",
1134                                                 config->client_cert_file);
1135
1136         if (config->private_key_file)
1137                 __connman_service_set_string(service, "PrivateKeyFile",
1138                                                 config->private_key_file);
1139
1140         if (g_strcmp0(config->private_key_passphrase_type, "fsid") == 0 &&
1141                                         config->private_key_file) {
1142                 char *fsid;
1143
1144                 fsid = config_pem_fsid(config->private_key_file);
1145                 if (!fsid)
1146                         return;
1147
1148                 g_free(config->private_key_passphrase);
1149                 config->private_key_passphrase = fsid;
1150         }
1151
1152         if (config->private_key_passphrase) {
1153                 __connman_service_set_string(service, "PrivateKeyPassphrase",
1154                                                 config->private_key_passphrase);
1155                 /*
1156                  * TODO: Support for PEAP with both identity and key passwd.
1157                  * In that case, we should check if both of them are found
1158                  * from the config file. If not, we should not set the
1159                  * service passphrase in order for the UI to request for an
1160                  * additional passphrase.
1161                  */
1162         }
1163
1164         if (config->phase2)
1165                 __connman_service_set_string(service, "Phase2", config->phase2);
1166
1167         if (config->passphrase)
1168                 __connman_service_set_string(service, "Passphrase",
1169                                                 config->passphrase);
1170
1171         if (config->hidden)
1172                 __connman_service_set_hidden(service);
1173 }
1174
1175 struct connect_virtual {
1176         struct connman_service *service;
1177         const char *vfile;
1178 };
1179
1180 static gboolean remove_virtual_config(gpointer user_data)
1181 {
1182         struct connect_virtual *virtual = user_data;
1183
1184         __connman_service_connect(virtual->service,
1185                                 CONNMAN_SERVICE_CONNECT_REASON_AUTO);
1186         g_hash_table_remove(config_table, virtual->vfile);
1187
1188         g_free(virtual);
1189
1190         return FALSE;
1191 }
1192
1193 static int try_provision_service(struct connman_config_service *config,
1194                                 struct connman_service *service)
1195 {
1196         struct connman_network *network;
1197         const void *service_id;
1198         enum connman_service_type type;
1199         const void *ssid;
1200         unsigned int ssid_len;
1201         const char *str;
1202
1203         network = __connman_service_get_network(service);
1204         if (!network) {
1205                 connman_error("Service has no network set");
1206                 return -EINVAL;
1207         }
1208
1209         DBG("network %p ident %s", network,
1210                                 connman_network_get_identifier(network));
1211
1212         type = connman_service_get_type(service);
1213
1214         switch(type) {
1215         case CONNMAN_SERVICE_TYPE_WIFI:
1216                 if (__connman_service_string2type(config->type) != type)
1217                         return -ENOENT;
1218
1219                 ssid = connman_network_get_blob(network, "WiFi.SSID",
1220                                                 &ssid_len);
1221                 if (!ssid)
1222                         return -ENOENT;
1223
1224                 if (!config->ssid || ssid_len != config->ssid_len)
1225                         return -ENOENT;
1226
1227                 if (memcmp(config->ssid, ssid, ssid_len))
1228                         return -ENOENT;
1229
1230                 str = connman_network_get_string(network, "WiFi.Security");
1231                 if (config->security != __connman_service_string2security(str))
1232                         return -ENOENT;
1233
1234                 break;
1235
1236         case CONNMAN_SERVICE_TYPE_ETHERNET:
1237         case CONNMAN_SERVICE_TYPE_GADGET:
1238
1239                 if (__connman_service_string2type(config->type) != type)
1240                         return -ENOENT;
1241
1242                 break;
1243
1244         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1245         case CONNMAN_SERVICE_TYPE_SYSTEM:
1246         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
1247         case CONNMAN_SERVICE_TYPE_CELLULAR:
1248         case CONNMAN_SERVICE_TYPE_GPS:
1249         case CONNMAN_SERVICE_TYPE_VPN:
1250         case CONNMAN_SERVICE_TYPE_P2P:
1251
1252                 return -ENOENT;
1253         }
1254
1255         DBG("service %p ident %s", service,
1256                                 connman_service_get_identifier(service));
1257
1258         if (config->mac) {
1259                 struct connman_device *device;
1260                 const char *device_addr;
1261
1262                 device = connman_network_get_device(network);
1263                 if (!device) {
1264                         connman_error("Network device is missing");
1265                         return -ENODEV;
1266                 }
1267
1268                 device_addr = connman_device_get_string(device, "Address");
1269
1270                 DBG("wants %s has %s", config->mac, device_addr);
1271
1272                 if (g_ascii_strcasecmp(device_addr, config->mac) != 0)
1273                         return -ENOENT;
1274         }
1275
1276         if (!config->ipv6_address) {
1277                 connman_network_set_ipv6_method(network,
1278                                                 CONNMAN_IPCONFIG_METHOD_AUTO);
1279         } else if (g_ascii_strcasecmp(config->ipv6_address, "off") == 0) {
1280                 connman_network_set_ipv6_method(network,
1281                                                 CONNMAN_IPCONFIG_METHOD_OFF);
1282         } else if (g_ascii_strcasecmp(config->ipv6_address, "auto") == 0 ||
1283                         g_ascii_strcasecmp(config->ipv6_address, "dhcp") == 0) {
1284                 connman_network_set_ipv6_method(network,
1285                                                 CONNMAN_IPCONFIG_METHOD_AUTO);
1286         } else {
1287                 struct connman_ipaddress *address;
1288
1289                 if (config->ipv6_prefix_length == 0) {
1290                         DBG("IPv6 prefix missing");
1291                         return -EINVAL;
1292                 }
1293
1294                 address = connman_ipaddress_alloc(AF_INET6);
1295                 if (!address)
1296                         return -ENOENT;
1297
1298                 connman_ipaddress_set_ipv6(address, config->ipv6_address,
1299                                         config->ipv6_prefix_length,
1300                                         config->ipv6_gateway);
1301
1302                 connman_network_set_ipv6_method(network,
1303                                                 CONNMAN_IPCONFIG_METHOD_FIXED);
1304
1305                 if (connman_network_set_ipaddress(network, address) < 0)
1306                         DBG("Unable to set IPv6 address to network %p",
1307                                                                 network);
1308
1309                 connman_ipaddress_free(address);
1310         }
1311
1312         if (config->ipv6_privacy) {
1313                 struct connman_ipconfig *ipconfig;
1314
1315                 ipconfig = __connman_service_get_ip6config(service);
1316                 if (ipconfig)
1317                         __connman_ipconfig_ipv6_set_privacy(ipconfig,
1318                                                         config->ipv6_privacy);
1319         }
1320
1321         if (!config->ipv4_address) {
1322                 connman_network_set_ipv4_method(network,
1323                                                 CONNMAN_IPCONFIG_METHOD_DHCP);
1324         } else if (g_ascii_strcasecmp(config->ipv4_address, "off") == 0) {
1325                 connman_network_set_ipv4_method(network,
1326                                                 CONNMAN_IPCONFIG_METHOD_OFF);
1327         } else if (g_ascii_strcasecmp(config->ipv4_address, "auto") == 0 ||
1328                         g_ascii_strcasecmp(config->ipv4_address, "dhcp") == 0) {
1329                 connman_network_set_ipv4_method(network,
1330                                                 CONNMAN_IPCONFIG_METHOD_DHCP);
1331         } else {
1332                 struct connman_ipaddress *address;
1333
1334                 if (!config->ipv4_netmask) {
1335                         DBG("IPv4 netmask missing");
1336                         return -EINVAL;
1337                 }
1338
1339                 address = connman_ipaddress_alloc(AF_INET);
1340                 if (!address)
1341                         return -ENOENT;
1342
1343                 connman_ipaddress_set_ipv4(address, config->ipv4_address,
1344                                         config->ipv4_netmask,
1345                                         config->ipv4_gateway);
1346
1347                 connman_network_set_ipv4_method(network,
1348                                                 CONNMAN_IPCONFIG_METHOD_FIXED);
1349
1350                 if (connman_network_set_ipaddress(network, address) < 0)
1351                         DBG("Unable to set IPv4 address to network %p",
1352                                                                 network);
1353
1354                 connman_ipaddress_free(address);
1355         }
1356
1357         __connman_service_disconnect(service);
1358
1359         service_id = connman_service_get_identifier(service);
1360         config->service_identifiers =
1361                 g_slist_prepend(config->service_identifiers,
1362                                 g_strdup(service_id));
1363
1364         __connman_service_set_favorite_delayed(service, true, true);
1365
1366         __connman_service_set_config(service, config->config_ident,
1367                                                 config->config_entry);
1368
1369         if (config->domain_name)
1370                 __connman_service_set_domainname(service, config->domain_name);
1371
1372         if (config->nameservers) {
1373                 int i;
1374
1375                 __connman_service_nameserver_clear(service);
1376
1377                 for (i = 0; config->nameservers[i]; i++) {
1378                         __connman_service_nameserver_append(service,
1379                                                 config->nameservers[i], false);
1380                 }
1381         }
1382
1383         if (config->search_domains)
1384                 __connman_service_set_search_domains(service,
1385                                                 config->search_domains);
1386
1387         __connman_service_set_mdns(service, config->mdns);
1388
1389         if (config->timeservers)
1390                 __connman_service_set_timeservers(service,
1391                                                 config->timeservers);
1392
1393         if (type == CONNMAN_SERVICE_TYPE_WIFI) {
1394                 provision_service_wifi(config, service, network,
1395                                                         ssid, ssid_len);
1396         }
1397
1398         __connman_service_mark_dirty();
1399
1400         __connman_service_load_modifiable(service);
1401
1402         if (config->virtual) {
1403                 struct connect_virtual *virtual;
1404
1405                 virtual = g_malloc0(sizeof(struct connect_virtual));
1406                 virtual->service = service;
1407                 virtual->vfile = config->virtual_file;
1408
1409                 g_idle_add(remove_virtual_config, virtual);
1410
1411                 return 0;
1412         }
1413
1414         __connman_service_set_immutable(service, true);
1415
1416         if (type == CONNMAN_SERVICE_TYPE_ETHERNET ||
1417                         type == CONNMAN_SERVICE_TYPE_GADGET) {
1418                 __connman_service_connect(service,
1419                                 CONNMAN_SERVICE_CONNECT_REASON_AUTO);
1420
1421                 return 0;
1422         }
1423
1424         __connman_service_auto_connect(CONNMAN_SERVICE_CONNECT_REASON_AUTO);
1425
1426         return 0;
1427 }
1428
1429 static int
1430 find_and_provision_service_from_config(struct connman_service *service,
1431                                         struct connman_config *config)
1432 {
1433         GHashTableIter iter;
1434         gpointer value, key;
1435
1436         g_hash_table_iter_init(&iter, config->service_table);
1437         while (g_hash_table_iter_next(&iter, &key,
1438                                         &value)) {
1439                 if (!try_provision_service(value, service))
1440                         return 0;
1441         }
1442
1443         return -ENOENT;
1444 }
1445
1446 static int find_and_provision_service(struct connman_service *service)
1447 {
1448         GHashTableIter iter;
1449         gpointer value, key;
1450
1451         g_hash_table_iter_init(&iter, config_table);
1452
1453         while (g_hash_table_iter_next(&iter, &key, &value)) {
1454                 struct connman_config *config = value;
1455
1456                 if (!find_and_provision_service_from_config(service, config))
1457                         return 0;
1458         }
1459
1460         return -ENOENT;
1461 }
1462
1463 int __connman_config_provision_service(struct connman_service *service)
1464 {
1465         enum connman_service_type type;
1466
1467         /* For now only WiFi, Gadget and Ethernet services are supported */
1468         type = connman_service_get_type(service);
1469
1470         DBG("service %p type %d", service, type);
1471
1472         if (type != CONNMAN_SERVICE_TYPE_WIFI &&
1473                         type != CONNMAN_SERVICE_TYPE_ETHERNET &&
1474                         type != CONNMAN_SERVICE_TYPE_GADGET)
1475                 return -ENOSYS;
1476
1477         return find_and_provision_service(service);
1478 }
1479
1480 int __connman_config_provision_service_ident(struct connman_service *service,
1481                         const char *ident, const char *file, const char *entry)
1482 {
1483         enum connman_service_type type;
1484         struct connman_config *config;
1485         int ret = 0;
1486
1487         /* For now only WiFi, Gadget and Ethernet services are supported */
1488         type = connman_service_get_type(service);
1489
1490         DBG("service %p type %d", service, type);
1491
1492         if (type != CONNMAN_SERVICE_TYPE_WIFI &&
1493                         type != CONNMAN_SERVICE_TYPE_ETHERNET &&
1494                         type != CONNMAN_SERVICE_TYPE_GADGET)
1495                 return -ENOSYS;
1496
1497         config = g_hash_table_lookup(config_table, ident);
1498         if (config) {
1499                 GHashTableIter iter;
1500                 gpointer value, key;
1501                 bool found = false;
1502
1503                 g_hash_table_iter_init(&iter, config->service_table);
1504
1505                 /*
1506                  * Check if we need to remove individual service if it
1507                  * is missing from config file.
1508                  */
1509                 if (file && entry) {
1510                         while (g_hash_table_iter_next(&iter, &key,
1511                                                         &value)) {
1512                                 struct connman_config_service *config_service;
1513
1514                                 config_service = value;
1515
1516                                 if (g_strcmp0(config_service->config_ident,
1517                                                                 file) != 0)
1518                                         continue;
1519
1520                                 if (g_strcmp0(config_service->config_entry,
1521                                                                 entry) != 0)
1522                                         continue;
1523
1524                                 found = true;
1525                                 break;
1526                         }
1527
1528                         DBG("found %d ident %s file %s entry %s", found, ident,
1529                                                                 file, entry);
1530
1531                         if (!found) {
1532                                 /*
1533                                  * The entry+8 will skip "service_" prefix
1534                                  */
1535                                 g_hash_table_remove(config->service_table,
1536                                                 entry + 8);
1537                                 ret = 1;
1538                         }
1539                 }
1540
1541                 find_and_provision_service_from_config(service, config);
1542         }
1543
1544         return ret;
1545 }
1546
1547 static void generate_random_string(char *str, int length)
1548 {
1549         uint8_t val;
1550         int i;
1551         uint64_t rand;
1552
1553         memset(str, '\0', length);
1554
1555         for (i = 0; i < length-1; i++) {
1556                 do {
1557                         __connman_util_get_random(&rand);
1558                         val = (uint8_t)(rand % 122);
1559                         if (val < 48)
1560                                 val += 48;
1561                 } while((val > 57 && val < 65) || (val > 90 && val < 97));
1562
1563                 str[i] = val;
1564         }
1565 }
1566
1567 int connman_config_provision_mutable_service(GKeyFile *keyfile)
1568 {
1569         struct connman_config_service *service_config;
1570         struct connman_config *config;
1571         char *vfile, *group = NULL;
1572         char rstr[11];
1573
1574         DBG("");
1575
1576         generate_random_string(rstr, 11);
1577
1578         vfile = g_strdup_printf("service_mutable_%s.config", rstr);
1579
1580         config = create_config(vfile);
1581         if (!config)
1582                 return -ENOMEM;
1583
1584         if (!load_service_from_keyfile(keyfile, config))
1585                 goto error;
1586
1587         group = g_key_file_get_start_group(keyfile);
1588
1589         service_config = g_hash_table_lookup(config->service_table, group+8);
1590         if (!service_config)
1591                 goto error;
1592
1593         /* Specific to non file based config: */
1594         g_free(service_config->config_ident);
1595         service_config->config_ident = NULL;
1596         g_free(service_config->config_entry);
1597         service_config->config_entry = NULL;
1598
1599         service_config->virtual = true;
1600         service_config->virtual_file = vfile;
1601
1602         __connman_service_provision_changed(vfile);
1603
1604         if (g_strcmp0(service_config->type, "wifi") == 0)
1605                 __connman_device_request_scan(CONNMAN_SERVICE_TYPE_WIFI);
1606
1607         g_free(group);
1608         return 0;
1609
1610 error:
1611         DBG("Could not proceed");
1612         g_hash_table_remove(config_table, vfile);
1613         g_free(vfile);
1614         g_free(group);
1615         return -EINVAL;
1616 }
1617
1618 struct connman_config_entry **connman_config_get_entries(const char *type)
1619 {
1620         GHashTableIter iter_file, iter_config;
1621         gpointer value, key;
1622         struct connman_config_entry **entries = NULL;
1623         int i = 0, count;
1624
1625         g_hash_table_iter_init(&iter_file, config_table);
1626         while (g_hash_table_iter_next(&iter_file, &key, &value)) {
1627                 struct connman_config *config_file = value;
1628                 struct connman_config_entry **tmp_entries = entries;
1629
1630                 count = g_hash_table_size(config_file->service_table);
1631
1632                 entries = g_try_realloc(entries, (i + count + 1) *
1633                                         sizeof(struct connman_config_entry *));
1634                 if (!entries) {
1635                         g_free(tmp_entries);
1636                         return NULL;
1637                 }
1638
1639                 g_hash_table_iter_init(&iter_config,
1640                                                 config_file->service_table);
1641                 while (g_hash_table_iter_next(&iter_config, &key,
1642                                                         &value)) {
1643                         struct connman_config_service *config = value;
1644
1645                         if (type &&
1646                                         g_strcmp0(config->type, type) != 0)
1647                                 continue;
1648
1649                         entries[i] = g_try_new0(struct connman_config_entry,
1650                                                 1);
1651                         if (!entries[i])
1652                                 goto cleanup;
1653
1654                         entries[i]->ident = g_strdup(config->ident);
1655                         entries[i]->name = g_strdup(config->name);
1656                         entries[i]->ssid = g_try_malloc0(config->ssid_len + 1);
1657                         if (!entries[i]->ssid)
1658                                 goto cleanup;
1659
1660                         memcpy(entries[i]->ssid, config->ssid,
1661                                                         config->ssid_len);
1662                         entries[i]->ssid_len = config->ssid_len;
1663                         entries[i]->hidden = config->hidden;
1664
1665                         i++;
1666                 }
1667         }
1668
1669         if (entries) {
1670                 struct connman_config_entry **tmp_entries = entries;
1671
1672                 entries = g_try_realloc(entries, (i + 1) *
1673                                         sizeof(struct connman_config_entry *));
1674                 if (!entries) {
1675                         g_free(tmp_entries);
1676                         return NULL;
1677                 }
1678
1679                 entries[i] = NULL;
1680
1681                 DBG("%d provisioned AP found", i);
1682         }
1683
1684         return entries;
1685
1686 cleanup:
1687         connman_config_free_entries(entries);
1688         return NULL;
1689 }
1690
1691 void connman_config_free_entries(struct connman_config_entry **entries)
1692 {
1693         int i;
1694
1695         if (!entries)
1696                 return;
1697
1698         for (i = 0; entries[i]; i++) {
1699                 g_free(entries[i]->ident);
1700                 g_free(entries[i]->name);
1701                 g_free(entries[i]->ssid);
1702                 g_free(entries[i]);
1703         }
1704
1705         g_free(entries);
1706 }
1707
1708 bool __connman_config_address_provisioned(const char *address,
1709                                         const char *netmask)
1710 {
1711         GHashTableIter iter, siter;
1712         gpointer value, key, svalue, skey;
1713
1714         if (!address || !netmask)
1715                 return false;
1716
1717         g_hash_table_iter_init(&iter, config_table);
1718
1719         while (g_hash_table_iter_next(&iter, &key, &value)) {
1720                 struct connman_config *config = value;
1721
1722                 g_hash_table_iter_init(&siter, config->service_table);
1723                 while (g_hash_table_iter_next(&siter, &skey, &svalue)) {
1724                         struct connman_config_service *service = svalue;
1725
1726                         if (!g_strcmp0(address, service->ipv4_address) &&
1727                                         !g_strcmp0(netmask,
1728                                                 service->ipv4_netmask))
1729                                 return true;
1730                 }
1731         }
1732
1733         return false;
1734 }