src/config.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 <unistd.h>
  29 #include <string.h>
  30 #include <sys/vfs.h>
  31 #include <sys/inotify.h>
  32 #include <glib.h>
  33
  34 #include <connman/provision.h>
  35 #include "connman.h"
  36
  37 struct connman_config_service {
  38         char *ident;
  39         char *name;
  40         char *type;
  41         void *ssid;
  42         unsigned int ssid_len;
  43         char *eap;
  44         char *identity;
  45         char *ca_cert_file;
  46         char *client_cert_file;
  47         char *private_key_file;
  48         char *private_key_passphrase;
  49         char *private_key_passphrase_type;
  50         char *phase2;
  51         char *passphrase;
  52         GSList *service_identifiers;
  53         char *config_ident; /* file prefix */
  54         char *config_entry; /* entry name */
  55         connman_bool_t hidden;
  56 };
  57
  58 struct connman_config {
  59         char *ident;
  60         char *name;
  61         char *description;
  62         connman_bool_t protected;
  63         GHashTable *service_table;
  64 };
  65
  66 static GHashTable *config_table = NULL;
  67 static GSList *protected_services = NULL;
  68
  69 static int inotify_wd = -1;
  70
  71 static GIOChannel *inotify_channel = NULL;
  72 static uint inotify_watch = 0;
  73 static connman_bool_t cleanup = FALSE;
  74
  75 #define INTERNAL_CONFIG_PREFIX           "__internal"
  76
  77 /* Definition of possible strings in the .config files */
  78 #define CONFIG_KEY_NAME                "Name"
  79 #define CONFIG_KEY_DESC                "Description"
  80 #define CONFIG_KEY_PROT                "Protected"
  81
  82 #define SERVICE_KEY_TYPE               "Type"
  83 #define SERVICE_KEY_NAME               "Name"
  84 #define SERVICE_KEY_SSID               "SSID"
  85 #define SERVICE_KEY_EAP                "EAP"
  86 #define SERVICE_KEY_CA_CERT            "CACertFile"
  87 #define SERVICE_KEY_CL_CERT            "ClientCertFile"
  88 #define SERVICE_KEY_PRV_KEY            "PrivateKeyFile"
  89 #define SERVICE_KEY_PRV_KEY_PASS       "PrivateKeyPassphrase"
  90 #define SERVICE_KEY_PRV_KEY_PASS_TYPE  "PrivateKeyPassphraseType"
  91 #define SERVICE_KEY_IDENTITY           "Identity"
  92 #define SERVICE_KEY_PHASE2             "Phase2"
  93 #define SERVICE_KEY_PASSPHRASE         "Passphrase"
  94 #define SERVICE_KEY_HIDDEN             "Hidden"
  95
  96 static const char *config_possible_keys[] = {
  97         CONFIG_KEY_NAME,
  98         CONFIG_KEY_DESC,
  99         CONFIG_KEY_PROT,
 100         NULL,
 101 };
 102
 103 static const char *service_possible_keys[] = {
 104         SERVICE_KEY_TYPE,
 105         SERVICE_KEY_NAME,
 106         SERVICE_KEY_SSID,
 107         SERVICE_KEY_EAP,
 108         SERVICE_KEY_CA_CERT,
 109         SERVICE_KEY_CL_CERT,
 110         SERVICE_KEY_PRV_KEY,
 111         SERVICE_KEY_PRV_KEY_PASS,
 112         SERVICE_KEY_PRV_KEY_PASS_TYPE,
 113         SERVICE_KEY_IDENTITY,
 114         SERVICE_KEY_PHASE2,
 115         SERVICE_KEY_PASSPHRASE,
 116         SERVICE_KEY_HIDDEN,
 117         NULL,
 118 };
 119
 120 static void unregister_config(gpointer data)
 121 {
 122         struct connman_config *config = data;
 123
 124         connman_info("Removing configuration %s", config->ident);
 125
 126         g_hash_table_destroy(config->service_table);
 127
 128         g_free(config->description);
 129         g_free(config->name);
 130         g_free(config->ident);
 131         g_free(config);
 132 }
 133
 134 static void unregister_service(gpointer data)
 135 {
 136         struct connman_config_service *config_service = data;
 137         struct connman_service *service;
 138         char *service_id;
 139         GSList *list;
 140
 141         if (cleanup == TRUE)
 142                 goto free_only;
 143
 144         connman_info("Removing service configuration %s",
 145                                                 config_service->ident);
 146
 147         protected_services = g_slist_remove(protected_services,
 148                                                 config_service);
 149
 150         for (list = config_service->service_identifiers; list != NULL;
 151                                                         list = list->next) {
 152                 service_id = list->data;
 153
 154                 service = __connman_service_lookup_from_ident(service_id);
 155                 if (service != NULL) {
 156                         __connman_service_set_immutable(service, FALSE);
 157                         __connman_service_remove(service);
 158                 }
 159
 160                 if (__connman_storage_remove_service(service_id) == FALSE)
 161                         DBG("Could not remove all files for service %s",
 162                                                                 service_id);
 163         }
 164
 165 free_only:
 166         g_free(config_service->ident);
 167         g_free(config_service->type);
 168         g_free(config_service->name);
 169         g_free(config_service->ssid);
 170         g_free(config_service->eap);
 171         g_free(config_service->identity);
 172         g_free(config_service->ca_cert_file);
 173         g_free(config_service->client_cert_file);
 174         g_free(config_service->private_key_file);
 175         g_free(config_service->private_key_passphrase);
 176         g_free(config_service->private_key_passphrase_type);
 177         g_free(config_service->phase2);
 178         g_free(config_service->passphrase);
 179         g_slist_free_full(config_service->service_identifiers, g_free);
 180         g_free(config_service->config_ident);
 181         g_free(config_service->config_entry);
 182         g_free(config_service);
 183 }
 184
 185 static void check_keys(GKeyFile *keyfile, const char *group,
 186                         const char **possible_keys)
 187 {
 188         char **avail_keys;
 189         gsize nb_avail_keys, i, j;
 190
 191         avail_keys = g_key_file_get_keys(keyfile, group, &nb_avail_keys, NULL);
 192         if (avail_keys == NULL)
 193                 return;
 194
 195         /*
 196          * For each key in the configuration file,
 197          * verify it is understood by connman
 198          */
 199         for (i = 0 ; i < nb_avail_keys; i++) {
 200                 for (j = 0; possible_keys[j] ; j++)
 201                         if (g_strcmp0(avail_keys[i], possible_keys[j]) == 0)
 202                                 break;
 203
 204                 if (possible_keys[j] == NULL)
 205                         connman_warn("Unknown configuration key %s in [%s]",
 206                                         avail_keys[i], group);
 207         }
 208
 209         g_strfreev(avail_keys);
 210 }
 211
 212 static connman_bool_t
 213 is_protected_service(struct connman_config_service *service)
 214 {
 215         GSList *list;
 216
 217         DBG("ident %s", service->ident);
 218
 219         for (list = protected_services; list; list = list->next) {
 220                 struct connman_config_service *s = list->data;
 221
 222                 if (g_strcmp0(s->type, service->type) != 0)
 223                         continue;
 224
 225                 if (s->ssid == NULL || service->ssid == NULL)
 226                         continue;
 227
 228                 if (s->ssid_len != service->ssid_len)
 229                         continue;
 230
 231                 if (g_strcmp0(service->type, "wifi") == 0 &&
 232                         strncmp(s->ssid, service->ssid, s->ssid_len) == 0) {
 233                         return TRUE;
 234                 }
 235         }
 236
 237         return FALSE;
 238 }
 239
 240 static int load_service(GKeyFile *keyfile, const char *group,
 241                                                 struct connman_config *config)
 242 {
 243         struct connman_config_service *service;
 244         const char *ident;
 245         char *str, *hex_ssid;
 246         gboolean service_created = FALSE;
 247         int err;
 248
 249         /* Strip off "service_" prefix */
 250         ident = group + 8;
 251
 252         if (strlen(ident) < 1)
 253                 return -EINVAL;
 254
 255         /* Verify that provided keys are good */
 256         check_keys(keyfile, group, service_possible_keys);
 257
 258         service = g_hash_table_lookup(config->service_table, ident);
 259         if (service == NULL) {
 260                 service = g_try_new0(struct connman_config_service, 1);
 261                 if (service == NULL)
 262                         return -ENOMEM;
 263
 264                 service->ident = g_strdup(ident);
 265
 266                 service_created = TRUE;
 267         }
 268
 269         str = g_key_file_get_string(keyfile, group, SERVICE_KEY_TYPE, NULL);
 270         if (str != NULL) {
 271                 g_free(service->type);
 272                 service->type = str;
 273         }
 274
 275         str = g_key_file_get_string(keyfile, group, SERVICE_KEY_NAME, NULL);
 276         if (str != NULL) {
 277                 g_free(service->name);
 278                 service->name = str;
 279         }
 280
 281         hex_ssid = g_key_file_get_string(keyfile, group, SERVICE_KEY_SSID,
 282                                          NULL);
 283         if (hex_ssid != NULL) {
 284                 char *ssid;
 285                 unsigned int i, j = 0, hex;
 286                 size_t hex_ssid_len = strlen(hex_ssid);
 287
 288                 ssid = g_try_malloc0(hex_ssid_len / 2);
 289                 if (ssid == NULL) {
 290                         err = -ENOMEM;
 291                         g_free(hex_ssid);
 292                         goto err;
 293                 }
 294
 295                 for (i = 0; i < hex_ssid_len; i += 2) {
 296                         if (sscanf(hex_ssid + i, "%02x", &hex) <= 0) {
 297                                 connman_warn("Invalid SSID %s", hex_ssid);
 298                                 g_free(ssid);
 299                                 g_free(hex_ssid);
 300                                 err = -EILSEQ;
 301                                 goto err;
 302                         }
 303                         ssid[j++] = hex;
 304                 }
 305
 306                 g_free(hex_ssid);
 307
 308                 g_free(service->ssid);
 309                 service->ssid = ssid;
 310                 service->ssid_len = hex_ssid_len / 2;
 311         } else if (service->name != NULL) {
 312                 char *ssid;
 313                 unsigned int ssid_len;
 314
 315                 ssid_len = strlen(service->name);
 316                 ssid = g_try_malloc0(ssid_len);
 317                 if (ssid == NULL) {
 318                         err = -ENOMEM;
 319                         goto err;
 320                 }
 321
 322                 memcpy(ssid, service->name, ssid_len);
 323                 g_free(service->ssid);
 324                 service->ssid = ssid;
 325                 service->ssid_len = ssid_len;
 326         }
 327
 328         if (is_protected_service(service) == TRUE) {
 329                 connman_error("Trying to provision a protected service");
 330                 err = -EACCES;
 331                 goto err;
 332         }
 333
 334         str = g_key_file_get_string(keyfile, group, SERVICE_KEY_EAP, NULL);
 335         if (str != NULL) {
 336                 g_free(service->eap);
 337                 service->eap = str;
 338         }
 339
 340         str = g_key_file_get_string(keyfile, group, SERVICE_KEY_CA_CERT, NULL);
 341         if (str != NULL) {
 342                 g_free(service->ca_cert_file);
 343                 service->ca_cert_file = str;
 344         }
 345
 346         str = g_key_file_get_string(keyfile, group, SERVICE_KEY_CL_CERT, NULL);
 347         if (str != NULL) {
 348                 g_free(service->client_cert_file);
 349                 service->client_cert_file = str;
 350         }
 351
 352         str = g_key_file_get_string(keyfile, group, SERVICE_KEY_PRV_KEY, NULL);
 353         if (str != NULL) {
 354                 g_free(service->private_key_file);
 355                 service->private_key_file = str;
 356         }
 357
 358         str = g_key_file_get_string(keyfile, group,
 359                                                 SERVICE_KEY_PRV_KEY_PASS, NULL);
 360         if (str != NULL) {
 361                 g_free(service->private_key_passphrase);
 362                 service->private_key_passphrase = str;
 363         }
 364
 365         str = g_key_file_get_string(keyfile, group,
 366                                         SERVICE_KEY_PRV_KEY_PASS_TYPE, NULL);
 367         if (str != NULL) {
 368                 g_free(service->private_key_passphrase_type);
 369                 service->private_key_passphrase_type = str;
 370         }
 371
 372         str = g_key_file_get_string(keyfile, group, SERVICE_KEY_IDENTITY, NULL);
 373         if (str != NULL) {
 374                 g_free(service->identity);
 375                 service->identity = str;
 376         }
 377
 378         str = g_key_file_get_string(keyfile, group, SERVICE_KEY_PHASE2, NULL);
 379         if (str != NULL) {
 380                 g_free(service->phase2);
 381                 service->phase2 = str;
 382         }
 383
 384         str = g_key_file_get_string(keyfile, group, SERVICE_KEY_PASSPHRASE,
 385                                         NULL);
 386         if (str != NULL) {
 387                 g_free(service->passphrase);
 388                 service->passphrase = str;
 389         }
 390
 391         service->config_ident = g_strdup(config->ident);
 392         service->config_entry = g_strdup_printf("service_%s", service->ident);
 393
 394         service->hidden = g_key_file_get_boolean(keyfile, group,
 395                                                 SERVICE_KEY_HIDDEN, NULL);
 396
 397         if (service_created)
 398                 g_hash_table_insert(config->service_table, service->ident,
 399                                         service);
 400
 401         if (config->protected == TRUE)
 402                 protected_services =
 403                         g_slist_prepend(protected_services, service);
 404
 405         connman_info("Adding service configuration %s", service->ident);
 406
 407         return 0;
 408
 409 err:
 410         if (service_created == TRUE) {
 411                 g_free(service->ident);
 412                 g_free(service->type);
 413                 g_free(service->name);
 414                 g_free(service->ssid);
 415                 g_free(service);
 416         }
 417
 418         return err;
 419 }
 420
 421 static int load_config(struct connman_config *config)
 422 {
 423         GKeyFile *keyfile;
 424         GError *error = NULL;
 425         gsize length;
 426         char **groups;
 427         char *str;
 428         gboolean protected, found = FALSE;
 429         int i;
 430
 431         DBG("config %p", config);
 432
 433         keyfile = __connman_storage_load_config(config->ident);
 434         if (keyfile == NULL)
 435                 return -EIO;
 436
 437         /* Verify keys validity of the global section */
 438         check_keys(keyfile, "global", config_possible_keys);
 439
 440         str = g_key_file_get_string(keyfile, "global", CONFIG_KEY_NAME, NULL);
 441         if (str != NULL) {
 442                 g_free(config->name);
 443                 config->name = str;
 444         }
 445
 446         str = g_key_file_get_string(keyfile, "global", CONFIG_KEY_DESC, NULL);
 447         if (str != NULL) {
 448                 g_free(config->description);
 449                 config->description = str;
 450         }
 451
 452         protected = g_key_file_get_boolean(keyfile, "global",
 453                                         CONFIG_KEY_PROT, &error);
 454         if (error == NULL)
 455                 config->protected = protected;
 456         else
 457                 config->protected = TRUE;
 458         g_clear_error(&error);
 459
 460         groups = g_key_file_get_groups(keyfile, &length);
 461
 462         for (i = 0; groups[i] != NULL; i++) {
 463                 if (g_str_has_prefix(groups[i], "service_") == TRUE) {
 464                         if (load_service(keyfile, groups[i], config) == 0)
 465                                 found = TRUE;
 466                 }
 467         }
 468
 469         if (found == FALSE)
 470                 connman_warn("Config file %s/%s.config does not contain any "
 471                         "configuration that can be provisioned!",
 472                         STORAGEDIR, config->ident);
 473
 474         g_strfreev(groups);
 475
 476         g_key_file_free(keyfile);
 477
 478         return 0;
 479 }
 480
 481 static struct connman_config *create_config(const char *ident)
 482 {
 483         struct connman_config *config;
 484
 485         DBG("ident %s", ident);
 486
 487         if (g_hash_table_lookup(config_table, ident) != NULL)
 488                 return NULL;
 489
 490         config = g_try_new0(struct connman_config, 1);
 491         if (config == NULL)
 492                 return NULL;
 493
 494         config->ident = g_strdup(ident);
 495
 496         config->service_table = g_hash_table_new_full(g_str_hash, g_str_equal,
 497                                                 NULL, unregister_service);
 498
 499         g_hash_table_insert(config_table, config->ident, config);
 500
 501         connman_info("Adding configuration %s", config->ident);
 502
 503         return config;
 504 }
 505
 506 static connman_bool_t validate_ident(const char *ident)
 507 {
 508         unsigned int i;
 509
 510         if (ident == NULL)
 511                 return FALSE;
 512
 513         for (i = 0; i < strlen(ident); i++)
 514                 if (g_ascii_isprint(ident[i]) == FALSE)
 515                         return FALSE;
 516
 517         return TRUE;
 518 }
 519
 520 static int read_configs(void)
 521 {
 522         GDir *dir;
 523
 524         DBG("");
 525
 526         dir = g_dir_open(STORAGEDIR, 0, NULL);
 527         if (dir != NULL) {
 528                 const gchar *file;
 529
 530                 while ((file = g_dir_read_name(dir)) != NULL) {
 531                         GString *str;
 532                         gchar *ident;
 533
 534                         if (g_str_has_suffix(file, ".config") == FALSE)
 535                                 continue;
 536
 537                         ident = g_strrstr(file, ".config");
 538                         if (ident == NULL)
 539                                 continue;
 540
 541                         str = g_string_new_len(file, ident - file);
 542                         if (str == NULL)
 543                                 continue;
 544
 545                         ident = g_string_free(str, FALSE);
 546
 547                         if (validate_ident(ident) == TRUE) {
 548                                 struct connman_config *config;
 549
 550                                 config = create_config(ident);
 551                                 if (config != NULL)
 552                                         load_config(config);
 553                         } else {
 554                                 connman_error("Invalid config ident %s", ident);
 555                         }
 556                         g_free(ident);
 557                 }
 558
 559                 g_dir_close(dir);
 560         }
 561
 562         return 0;
 563 }
 564
 565 static void config_notify_handler(struct inotify_event *event,
 566                                         const char *ident)
 567 {
 568         char *ext;
 569
 570         if (ident == NULL)
 571                 return;
 572
 573         if (g_str_has_suffix(ident, ".config") == FALSE)
 574                 return;
 575
 576         ext = g_strrstr(ident, ".config");
 577         if (ext == NULL)
 578                 return;
 579
 580         *ext = '\0';
 581
 582         if (validate_ident(ident) == FALSE) {
 583                 connman_error("Invalid config ident %s", ident);
 584                 return;
 585         }
 586
 587         if (event->mask & IN_CREATE)
 588                 create_config(ident);
 589
 590         if (event->mask & IN_MODIFY) {
 591                 struct connman_config *config;
 592
 593                 config = g_hash_table_lookup(config_table, ident);
 594                 if (config != NULL) {
 595                         int ret;
 596
 597                         g_hash_table_remove_all(config->service_table);
 598                         load_config(config);
 599                         ret = __connman_service_provision_changed(ident);
 600                         if (ret > 0) {
 601                                 /*
 602                                  * Re-scan the config file for any
 603                                  * changes
 604                                  */
 605                                 g_hash_table_remove_all(config->service_table);
 606                                 load_config(config);
 607                                 __connman_service_provision_changed(ident);
 608                         }
 609                 }
 610         }
 611
 612         if (event->mask & IN_DELETE)
 613                 g_hash_table_remove(config_table, ident);
 614 }
 615
 616 static gboolean inotify_data(GIOChannel *channel, GIOCondition cond,
 617                                                         gpointer user_data)
 618 {
 619         char buffer[256];
 620         char *next_event;
 621         gsize bytes_read;
 622         GIOStatus status;
 623
 624         if (cond & (G_IO_NVAL | G_IO_ERR | G_IO_HUP)) {
 625                 inotify_watch = 0;
 626                 return FALSE;
 627         }
 628
 629         status = g_io_channel_read_chars(channel, buffer,
 630                                         sizeof(buffer) -1, &bytes_read, NULL);
 631
 632         switch (status) {
 633         case G_IO_STATUS_NORMAL:
 634                 break;
 635         case G_IO_STATUS_AGAIN:
 636                 return TRUE;
 637         default:
 638                 connman_error("Reading from inotify channel failed");
 639                 inotify_watch = 0;
 640                 return FALSE;
 641         }
 642
 643         next_event = buffer;
 644
 645         while (bytes_read > 0) {
 646                 struct inotify_event *event;
 647                 gchar *ident;
 648                 gsize len;
 649
 650                 event = (struct inotify_event *) next_event;
 651                 if (event->len)
 652                         ident = next_event + sizeof(struct inotify_event);
 653                 else
 654                         ident = NULL;
 655
 656                 len = sizeof(struct inotify_event) + event->len;
 657
 658                 /* check if inotify_event block fit */
 659                 if (len > bytes_read)
 660                         break;
 661
 662                 next_event += len;
 663                 bytes_read -= len;
 664
 665                 config_notify_handler(event, ident);
 666         }
 667
 668         return TRUE;
 669 }
 670
 671 static int create_watch(void)
 672 {
 673         int fd;
 674
 675         fd = inotify_init();
 676         if (fd < 0)
 677                 return -EIO;
 678
 679         inotify_wd = inotify_add_watch(fd, STORAGEDIR,
 680                                         IN_MODIFY | IN_CREATE | IN_DELETE);
 681         if (inotify_wd < 0) {
 682                 connman_error("Creation of STORAGEDIR  watch failed");
 683                 close(fd);
 684                 return -EIO;
 685         }
 686
 687         inotify_channel = g_io_channel_unix_new(fd);
 688         if (inotify_channel == NULL) {
 689                 connman_error("Creation of inotify channel failed");
 690                 inotify_rm_watch(fd, inotify_wd);
 691                 inotify_wd = 0;
 692
 693                 close(fd);
 694                 return -EIO;
 695         }
 696
 697         g_io_channel_set_close_on_unref(inotify_channel, TRUE);
 698         g_io_channel_set_encoding(inotify_channel, NULL, NULL);
 699         g_io_channel_set_buffered(inotify_channel, FALSE);
 700
 701         inotify_watch = g_io_add_watch(inotify_channel,
 702                                 G_IO_IN | G_IO_HUP | G_IO_NVAL | G_IO_ERR,
 703                                 inotify_data, NULL);
 704
 705         return 0;
 706 }
 707
 708 static void remove_watch(void)
 709 {
 710         int fd;
 711
 712         if (inotify_channel == NULL)
 713                 return;
 714
 715         if (inotify_watch > 0) {
 716                 g_source_remove(inotify_watch);
 717                 inotify_watch = 0;
 718         }
 719
 720         fd = g_io_channel_unix_get_fd(inotify_channel);
 721
 722         if (inotify_wd >= 0) {
 723                 inotify_rm_watch(fd, inotify_wd);
 724                 inotify_wd = 0;
 725         }
 726
 727         g_io_channel_unref(inotify_channel);
 728 }
 729
 730 int __connman_config_init(void)
 731 {
 732         DBG("");
 733
 734         config_table = g_hash_table_new_full(g_str_hash, g_str_equal,
 735                                                 NULL, unregister_config);
 736
 737         create_watch();
 738
 739         return read_configs();
 740 }
 741
 742 void __connman_config_cleanup(void)
 743 {
 744         DBG("");
 745
 746         cleanup = TRUE;
 747
 748         remove_watch();
 749
 750         g_hash_table_destroy(config_table);
 751         config_table = NULL;
 752
 753         cleanup = FALSE;
 754 }
 755
 756 static char *config_pem_fsid(const char *pem_file)
 757 {
 758         struct statfs buf;
 759         unsigned *fsid = (unsigned *) &buf.f_fsid;
 760         unsigned long long fsid64;
 761
 762         if (pem_file == NULL)
 763                 return NULL;
 764
 765         if (statfs(pem_file, &buf) < 0) {
 766                 connman_error("statfs error %s for %s",
 767                                                 strerror(errno), pem_file);
 768                 return NULL;
 769         }
 770
 771         fsid64 = ((unsigned long long) fsid[0] << 32) | fsid[1];
 772
 773         return g_strdup_printf("%llx", fsid64);
 774 }
 775
 776 static void provision_service(gpointer key, gpointer value, gpointer user_data)
 777 {
 778         struct connman_service *service = user_data;
 779         struct connman_config_service *config = value;
 780         struct connman_network *network;
 781         const void *ssid, *service_id;
 782         unsigned int ssid_len;
 783
 784         /* For now only WiFi service entries are supported */
 785         if (g_strcmp0(config->type, "wifi") != 0)
 786                 return;
 787
 788         network = __connman_service_get_network(service);
 789         if (network == NULL) {
 790                 connman_error("Service has no network set");
 791                 return;
 792         }
 793
 794         ssid = connman_network_get_blob(network, "WiFi.SSID", &ssid_len);
 795         if (ssid == NULL) {
 796                 connman_error("Network SSID not set");
 797                 return;
 798         }
 799
 800         if (config->ssid == NULL || ssid_len != config->ssid_len)
 801                 return;
 802
 803         if (memcmp(config->ssid, ssid, ssid_len) != 0)
 804                 return;
 805
 806         service_id = __connman_service_get_ident(service);
 807         config->service_identifiers =
 808                 g_slist_prepend(config->service_identifiers,
 809                                 g_strdup(service_id));
 810
 811         __connman_service_set_immutable(service, TRUE);
 812
 813         __connman_service_set_favorite_delayed(service, TRUE, TRUE);
 814
 815         __connman_service_set_config(service, config->config_ident,
 816                                                 config->config_entry);
 817
 818         if (config->eap != NULL)
 819                 __connman_service_set_string(service, "EAP", config->eap);
 820
 821         if (config->identity != NULL)
 822                 __connman_service_set_string(service, "Identity",
 823                                                         config->identity);
 824
 825         if (config->ca_cert_file != NULL)
 826                 __connman_service_set_string(service, "CACertFile",
 827                                                         config->ca_cert_file);
 828
 829         if (config->client_cert_file != NULL)
 830                 __connman_service_set_string(service, "ClientCertFile",
 831                                                 config->client_cert_file);
 832
 833         if (config->private_key_file != NULL)
 834                 __connman_service_set_string(service, "PrivateKeyFile",
 835                                                 config->private_key_file);
 836
 837         if (g_strcmp0(config->private_key_passphrase_type, "fsid") == 0 &&
 838                                         config->private_key_file != NULL) {
 839                 char *fsid;
 840
 841                 fsid = config_pem_fsid(config->private_key_file);
 842                 if (fsid == NULL)
 843                         return;
 844
 845                 g_free(config->private_key_passphrase);
 846                 config->private_key_passphrase = fsid;
 847         }
 848
 849         if (config->private_key_passphrase != NULL) {
 850                 __connman_service_set_string(service, "PrivateKeyPassphrase",
 851                                                 config->private_key_passphrase);
 852                 /*
 853                  * TODO: Support for PEAP with both identity and key passwd.
 854                  * In that case, we should check if both of them are found
 855                  * from the config file. If not, we should not set the
 856                  * service passphrase in order for the UI to request for an
 857                  * additional passphrase.
 858                  */
 859         }
 860
 861         if (config->phase2 != NULL)
 862                 __connman_service_set_string(service, "Phase2", config->phase2);
 863
 864         if (config->passphrase != NULL)
 865                 __connman_service_set_string(service, "Passphrase", config->passphrase);
 866
 867         if (config->hidden == TRUE)
 868                 __connman_service_set_hidden(service);
 869
 870         __connman_service_mark_dirty();
 871
 872         __connman_service_save(service);
 873 }
 874
 875 int __connman_config_provision_service(struct connman_service *service)
 876 {
 877         enum connman_service_type type;
 878         GHashTableIter iter;
 879         gpointer value, key;
 880
 881         DBG("service %p", service);
 882
 883         /* For now only WiFi services are supported */
 884         type = connman_service_get_type(service);
 885         if (type != CONNMAN_SERVICE_TYPE_WIFI)
 886                 return -ENOSYS;
 887
 888         g_hash_table_iter_init(&iter, config_table);
 889
 890         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
 891                 struct connman_config *config = value;
 892
 893                 g_hash_table_foreach(config->service_table,
 894                                                 provision_service, service);
 895         }
 896
 897         return 0;
 898 }
 899
 900 int __connman_config_provision_service_ident(struct connman_service *service,
 901                         const char *ident, const char *file, const char *entry)
 902 {
 903         enum connman_service_type type;
 904         struct connman_config *config;
 905         int ret = 0;
 906
 907         DBG("service %p", service);
 908
 909         /* For now only WiFi services are supported */
 910         type = connman_service_get_type(service);
 911         if (type != CONNMAN_SERVICE_TYPE_WIFI)
 912                 return -ENOSYS;
 913
 914         config = g_hash_table_lookup(config_table, ident);
 915         if (config != NULL) {
 916                 GHashTableIter iter;
 917                 gpointer value, key;
 918                 gboolean found = FALSE;
 919
 920                 g_hash_table_iter_init(&iter, config->service_table);
 921
 922                 /*
 923                  * Check if we need to remove individual service if it
 924                  * is missing from config file.
 925                  */
 926                 if (file != NULL && entry != NULL) {
 927                         while (g_hash_table_iter_next(&iter, &key,
 928                                                         &value) == TRUE) {
 929                                 struct connman_config_service *config_service;
 930
 931                                 config_service = value;
 932
 933                                 if (g_strcmp0(config_service->config_ident,
 934                                                                 file) != 0)
 935                                         continue;
 936
 937                                 if (g_strcmp0(config_service->config_entry,
 938                                                                 entry) != 0)
 939                                         continue;
 940
 941                                 found = TRUE;
 942                                 break;
 943                         }
 944
 945                         DBG("found %d ident %s file %s entry %s", found, ident,
 946                                                                 file, entry);
 947
 948                         if (found == FALSE) {
 949                                 /*
 950                                  * The entry+8 will skip "service_" prefix
 951                                  */
 952                                 g_hash_table_remove(config->service_table,
 953                                                 entry + 8);
 954                                 ret = 1;
 955                         }
 956                 }
 957
 958                 g_hash_table_foreach(config->service_table,
 959                                                 provision_service, service);
 960         }
 961
 962         return ret;
 963 }
 964
 965 struct connman_config_entry **connman_config_get_entries(void)
 966 {
 967         GHashTableIter iter_file, iter_config;
 968         gpointer value, key;
 969         struct connman_config_entry **entries = NULL;
 970         int i = 0, count;
 971
 972         g_hash_table_iter_init(&iter_file, config_table);
 973         while (g_hash_table_iter_next(&iter_file, &key, &value) == TRUE) {
 974                 struct connman_config *config_file = value;
 975
 976                 count = g_hash_table_size(config_file->service_table);
 977
 978                 entries = g_try_realloc(entries, (i + count + 1) *
 979                                         sizeof(struct connman_config_entry *));
 980                 if (entries == NULL)
 981                         return NULL;
 982
 983                 g_hash_table_iter_init(&iter_config,
 984                                                 config_file->service_table);
 985                 while (g_hash_table_iter_next(&iter_config, &key,
 986                                                         &value) == TRUE) {
 987                         struct connman_config_service *config = value;
 988
 989                         entries[i] = g_try_new0(struct connman_config_entry,
 990                                                 1);
 991                         if (entries[i] == NULL)
 992                                 goto cleanup;
 993
 994                         entries[i]->ident = g_strdup(config->ident);
 995                         entries[i]->name = g_strdup(config->name);
 996                         entries[i]->ssid = g_try_malloc0(config->ssid_len + 1);
 997                         if (entries[i]->ssid == NULL)
 998                                 goto cleanup;
 999
1000                         memcpy(entries[i]->ssid, config->ssid,
1001                                                         config->ssid_len);
1002                         entries[i]->ssid_len = config->ssid_len;
1003                         entries[i]->hidden = config->hidden;
1004
1005                         i++;
1006                 }
1007         }
1008
1009         if (entries != NULL) {
1010                 entries = g_try_realloc(entries, (i + 1) *
1011                                         sizeof(struct connman_config_entry *));
1012                 if (entries == NULL)
1013                         return NULL;
1014
1015                 entries[i] = NULL;
1016
1017                 DBG("%d provisioned AP found", i);
1018         }
1019
1020         return entries;
1021
1022 cleanup:
1023         connman_config_free_entries(entries);
1024         return NULL;
1025 }
1026
1027 void connman_config_free_entries(struct connman_config_entry **entries)
1028 {
1029         int i;
1030
1031         if (entries == NULL)
1032                 return;
1033
1034         for (i = 0; entries[i]; i++) {
1035                 g_free(entries[i]->ident);
1036                 g_free(entries[i]->name);
1037                 g_free(entries[i]->ssid);
1038                 g_free(entries[i]);
1039         }
1040
1041         g_free(entries);
1042         return;
1043 }