hostapd/config_file.c

   1 /*
   2  * hostapd / Configuration file parser
   3  * Copyright (c) 2003-2013, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "utils/includes.h"
  10 #ifndef CONFIG_NATIVE_WINDOWS
  11 #include <grp.h>
  12 #endif /* CONFIG_NATIVE_WINDOWS */
  13
  14 #include "utils/common.h"
  15 #include "utils/uuid.h"
  16 #include "common/ieee802_11_defs.h"
  17 #include "drivers/driver.h"
  18 #include "eap_server/eap.h"
  19 #include "radius/radius_client.h"
  20 #include "ap/wpa_auth.h"
  21 #include "ap/ap_config.h"
  22 #include "config_file.h"
  23
  24
  25 extern struct wpa_driver_ops *wpa_drivers[];
  26
  27
  28 #ifndef CONFIG_NO_VLAN
  29 static int hostapd_config_read_vlan_file(struct hostapd_bss_config *bss,
  30                                          const char *fname)
  31 {
  32         FILE *f;
  33         char buf[128], *pos, *pos2;
  34         int line = 0, vlan_id;
  35         struct hostapd_vlan *vlan;
  36
  37         f = fopen(fname, "r");
  38         if (!f) {
  39                 wpa_printf(MSG_ERROR, "VLAN file '%s' not readable.", fname);
  40                 return -1;
  41         }
  42
  43         while (fgets(buf, sizeof(buf), f)) {
  44                 line++;
  45
  46                 if (buf[0] == '#')
  47                         continue;
  48                 pos = buf;
  49                 while (*pos != '\0') {
  50                         if (*pos == '\n') {
  51                                 *pos = '\0';
  52                                 break;
  53                         }
  54                         pos++;
  55                 }
  56                 if (buf[0] == '\0')
  57                         continue;
  58
  59                 if (buf[0] == '*') {
  60                         vlan_id = VLAN_ID_WILDCARD;
  61                         pos = buf + 1;
  62                 } else {
  63                         vlan_id = strtol(buf, &pos, 10);
  64                         if (buf == pos || vlan_id < 1 ||
  65                             vlan_id > MAX_VLAN_ID) {
  66                                 wpa_printf(MSG_ERROR, "Invalid VLAN ID at "
  67                                            "line %d in '%s'", line, fname);
  68                                 fclose(f);
  69                                 return -1;
  70                         }
  71                 }
  72
  73                 while (*pos == ' ' || *pos == '\t')
  74                         pos++;
  75                 pos2 = pos;
  76                 while (*pos2 != ' ' && *pos2 != '\t' && *pos2 != '\0')
  77                         pos2++;
  78                 *pos2 = '\0';
  79                 if (*pos == '\0' || os_strlen(pos) > IFNAMSIZ) {
  80                         wpa_printf(MSG_ERROR, "Invalid VLAN ifname at line %d "
  81                                    "in '%s'", line, fname);
  82                         fclose(f);
  83                         return -1;
  84                 }
  85
  86                 vlan = os_malloc(sizeof(*vlan));
  87                 if (vlan == NULL) {
  88                         wpa_printf(MSG_ERROR, "Out of memory while reading "
  89                                    "VLAN interfaces from '%s'", fname);
  90                         fclose(f);
  91                         return -1;
  92                 }
  93
  94                 os_memset(vlan, 0, sizeof(*vlan));
  95                 vlan->vlan_id = vlan_id;
  96                 os_strlcpy(vlan->ifname, pos, sizeof(vlan->ifname));
  97                 if (bss->vlan_tail)
  98                         bss->vlan_tail->next = vlan;
  99                 else
 100                         bss->vlan = vlan;
 101                 bss->vlan_tail = vlan;
 102         }
 103
 104         fclose(f);
 105
 106         return 0;
 107 }
 108 #endif /* CONFIG_NO_VLAN */
 109
 110
 111 static int hostapd_acl_comp(const void *a, const void *b)
 112 {
 113         const struct mac_acl_entry *aa = a;
 114         const struct mac_acl_entry *bb = b;
 115         return os_memcmp(aa->addr, bb->addr, sizeof(macaddr));
 116 }
 117
 118
 119 static int hostapd_config_read_maclist(const char *fname,
 120                                        struct mac_acl_entry **acl, int *num)
 121 {
 122         FILE *f;
 123         char buf[128], *pos;
 124         int line = 0;
 125         u8 addr[ETH_ALEN];
 126         struct mac_acl_entry *newacl;
 127         int vlan_id;
 128
 129         if (!fname)
 130                 return 0;
 131
 132         f = fopen(fname, "r");
 133         if (!f) {
 134                 wpa_printf(MSG_ERROR, "MAC list file '%s' not found.", fname);
 135                 return -1;
 136         }
 137
 138         while (fgets(buf, sizeof(buf), f)) {
 139                 line++;
 140
 141                 if (buf[0] == '#')
 142                         continue;
 143                 pos = buf;
 144                 while (*pos != '\0') {
 145                         if (*pos == '\n') {
 146                                 *pos = '\0';
 147                                 break;
 148                         }
 149                         pos++;
 150                 }
 151                 if (buf[0] == '\0')
 152                         continue;
 153
 154                 if (hwaddr_aton(buf, addr)) {
 155                         wpa_printf(MSG_ERROR, "Invalid MAC address '%s' at "
 156                                    "line %d in '%s'", buf, line, fname);
 157                         fclose(f);
 158                         return -1;
 159                 }
 160
 161                 vlan_id = 0;
 162                 pos = buf;
 163                 while (*pos != '\0' && *pos != ' ' && *pos != '\t')
 164                         pos++;
 165                 while (*pos == ' ' || *pos == '\t')
 166                         pos++;
 167                 if (*pos != '\0')
 168                         vlan_id = atoi(pos);
 169
 170                 newacl = os_realloc_array(*acl, *num + 1, sizeof(**acl));
 171                 if (newacl == NULL) {
 172                         wpa_printf(MSG_ERROR, "MAC list reallocation failed");
 173                         fclose(f);
 174                         return -1;
 175                 }
 176
 177                 *acl = newacl;
 178                 os_memcpy((*acl)[*num].addr, addr, ETH_ALEN);
 179                 (*acl)[*num].vlan_id = vlan_id;
 180                 (*num)++;
 181         }
 182
 183         fclose(f);
 184
 185         qsort(*acl, *num, sizeof(**acl), hostapd_acl_comp);
 186
 187         return 0;
 188 }
 189
 190
 191 #ifdef EAP_SERVER
 192 static int hostapd_config_read_eap_user(const char *fname,
 193                                         struct hostapd_bss_config *conf)
 194 {
 195         FILE *f;
 196         char buf[512], *pos, *start, *pos2;
 197         int line = 0, ret = 0, num_methods;
 198         struct hostapd_eap_user *user, *tail = NULL;
 199
 200         if (!fname)
 201                 return 0;
 202
 203         if (os_strncmp(fname, "sqlite:", 7) == 0) {
 204                 os_free(conf->eap_user_sqlite);
 205                 conf->eap_user_sqlite = os_strdup(fname + 7);
 206                 return 0;
 207         }
 208
 209         f = fopen(fname, "r");
 210         if (!f) {
 211                 wpa_printf(MSG_ERROR, "EAP user file '%s' not found.", fname);
 212                 return -1;
 213         }
 214
 215         /* Lines: "user" METHOD,METHOD2 "password" (password optional) */
 216         while (fgets(buf, sizeof(buf), f)) {
 217                 line++;
 218
 219                 if (buf[0] == '#')
 220                         continue;
 221                 pos = buf;
 222                 while (*pos != '\0') {
 223                         if (*pos == '\n') {
 224                                 *pos = '\0';
 225                                 break;
 226                         }
 227                         pos++;
 228                 }
 229                 if (buf[0] == '\0')
 230                         continue;
 231
 232                 user = NULL;
 233
 234                 if (buf[0] != '"' && buf[0] != '*') {
 235                         wpa_printf(MSG_ERROR, "Invalid EAP identity (no \" in "
 236                                    "start) on line %d in '%s'", line, fname);
 237                         goto failed;
 238                 }
 239
 240                 user = os_zalloc(sizeof(*user));
 241                 if (user == NULL) {
 242                         wpa_printf(MSG_ERROR, "EAP user allocation failed");
 243                         goto failed;
 244                 }
 245                 user->force_version = -1;
 246
 247                 if (buf[0] == '*') {
 248                         pos = buf;
 249                 } else {
 250                         pos = buf + 1;
 251                         start = pos;
 252                         while (*pos != '"' && *pos != '\0')
 253                                 pos++;
 254                         if (*pos == '\0') {
 255                                 wpa_printf(MSG_ERROR, "Invalid EAP identity "
 256                                            "(no \" in end) on line %d in '%s'",
 257                                            line, fname);
 258                                 goto failed;
 259                         }
 260
 261                         user->identity = os_malloc(pos - start);
 262                         if (user->identity == NULL) {
 263                                 wpa_printf(MSG_ERROR, "Failed to allocate "
 264                                            "memory for EAP identity");
 265                                 goto failed;
 266                         }
 267                         os_memcpy(user->identity, start, pos - start);
 268                         user->identity_len = pos - start;
 269
 270                         if (pos[0] == '"' && pos[1] == '*') {
 271                                 user->wildcard_prefix = 1;
 272                                 pos++;
 273                         }
 274                 }
 275                 pos++;
 276                 while (*pos == ' ' || *pos == '\t')
 277                         pos++;
 278
 279                 if (*pos == '\0') {
 280                         wpa_printf(MSG_ERROR, "No EAP method on line %d in "
 281                                    "'%s'", line, fname);
 282                         goto failed;
 283                 }
 284
 285                 start = pos;
 286                 while (*pos != ' ' && *pos != '\t' && *pos != '\0')
 287                         pos++;
 288                 if (*pos == '\0') {
 289                         pos = NULL;
 290                 } else {
 291                         *pos = '\0';
 292                         pos++;
 293                 }
 294                 num_methods = 0;
 295                 while (*start) {
 296                         char *pos3 = os_strchr(start, ',');
 297                         if (pos3) {
 298                                 *pos3++ = '\0';
 299                         }
 300                         user->methods[num_methods].method =
 301                                 eap_server_get_type(
 302                                         start,
 303                                         &user->methods[num_methods].vendor);
 304                         if (user->methods[num_methods].vendor ==
 305                             EAP_VENDOR_IETF &&
 306                             user->methods[num_methods].method == EAP_TYPE_NONE)
 307                         {
 308                                 if (os_strcmp(start, "TTLS-PAP") == 0) {
 309                                         user->ttls_auth |= EAP_TTLS_AUTH_PAP;
 310                                         goto skip_eap;
 311                                 }
 312                                 if (os_strcmp(start, "TTLS-CHAP") == 0) {
 313                                         user->ttls_auth |= EAP_TTLS_AUTH_CHAP;
 314                                         goto skip_eap;
 315                                 }
 316                                 if (os_strcmp(start, "TTLS-MSCHAP") == 0) {
 317                                         user->ttls_auth |=
 318                                                 EAP_TTLS_AUTH_MSCHAP;
 319                                         goto skip_eap;
 320                                 }
 321                                 if (os_strcmp(start, "TTLS-MSCHAPV2") == 0) {
 322                                         user->ttls_auth |=
 323                                                 EAP_TTLS_AUTH_MSCHAPV2;
 324                                         goto skip_eap;
 325                                 }
 326                                 wpa_printf(MSG_ERROR, "Unsupported EAP type "
 327                                            "'%s' on line %d in '%s'",
 328                                            start, line, fname);
 329                                 goto failed;
 330                         }
 331
 332                         num_methods++;
 333                         if (num_methods >= EAP_MAX_METHODS)
 334                                 break;
 335                 skip_eap:
 336                         if (pos3 == NULL)
 337                                 break;
 338                         start = pos3;
 339                 }
 340                 if (num_methods == 0 && user->ttls_auth == 0) {
 341                         wpa_printf(MSG_ERROR, "No EAP types configured on "
 342                                    "line %d in '%s'", line, fname);
 343                         goto failed;
 344                 }
 345
 346                 if (pos == NULL)
 347                         goto done;
 348
 349                 while (*pos == ' ' || *pos == '\t')
 350                         pos++;
 351                 if (*pos == '\0')
 352                         goto done;
 353
 354                 if (os_strncmp(pos, "[ver=0]", 7) == 0) {
 355                         user->force_version = 0;
 356                         goto done;
 357                 }
 358
 359                 if (os_strncmp(pos, "[ver=1]", 7) == 0) {
 360                         user->force_version = 1;
 361                         goto done;
 362                 }
 363
 364                 if (os_strncmp(pos, "[2]", 3) == 0) {
 365                         user->phase2 = 1;
 366                         goto done;
 367                 }
 368
 369                 if (*pos == '"') {
 370                         pos++;
 371                         start = pos;
 372                         while (*pos != '"' && *pos != '\0')
 373                                 pos++;
 374                         if (*pos == '\0') {
 375                                 wpa_printf(MSG_ERROR, "Invalid EAP password "
 376                                            "(no \" in end) on line %d in '%s'",
 377                                            line, fname);
 378                                 goto failed;
 379                         }
 380
 381                         user->password = os_malloc(pos - start);
 382                         if (user->password == NULL) {
 383                                 wpa_printf(MSG_ERROR, "Failed to allocate "
 384                                            "memory for EAP password");
 385                                 goto failed;
 386                         }
 387                         os_memcpy(user->password, start, pos - start);
 388                         user->password_len = pos - start;
 389
 390                         pos++;
 391                 } else if (os_strncmp(pos, "hash:", 5) == 0) {
 392                         pos += 5;
 393                         pos2 = pos;
 394                         while (*pos2 != '\0' && *pos2 != ' ' &&
 395                                *pos2 != '\t' && *pos2 != '#')
 396                                 pos2++;
 397                         if (pos2 - pos != 32) {
 398                                 wpa_printf(MSG_ERROR, "Invalid password hash "
 399                                            "on line %d in '%s'", line, fname);
 400                                 goto failed;
 401                         }
 402                         user->password = os_malloc(16);
 403                         if (user->password == NULL) {
 404                                 wpa_printf(MSG_ERROR, "Failed to allocate "
 405                                            "memory for EAP password hash");
 406                                 goto failed;
 407                         }
 408                         if (hexstr2bin(pos, user->password, 16) < 0) {
 409                                 wpa_printf(MSG_ERROR, "Invalid hash password "
 410                                            "on line %d in '%s'", line, fname);
 411                                 goto failed;
 412                         }
 413                         user->password_len = 16;
 414                         user->password_hash = 1;
 415                         pos = pos2;
 416                 } else {
 417                         pos2 = pos;
 418                         while (*pos2 != '\0' && *pos2 != ' ' &&
 419                                *pos2 != '\t' && *pos2 != '#')
 420                                 pos2++;
 421                         if ((pos2 - pos) & 1) {
 422                                 wpa_printf(MSG_ERROR, "Invalid hex password "
 423                                            "on line %d in '%s'", line, fname);
 424                                 goto failed;
 425                         }
 426                         user->password = os_malloc((pos2 - pos) / 2);
 427                         if (user->password == NULL) {
 428                                 wpa_printf(MSG_ERROR, "Failed to allocate "
 429                                            "memory for EAP password");
 430                                 goto failed;
 431                         }
 432                         if (hexstr2bin(pos, user->password,
 433                                        (pos2 - pos) / 2) < 0) {
 434                                 wpa_printf(MSG_ERROR, "Invalid hex password "
 435                                            "on line %d in '%s'", line, fname);
 436                                 goto failed;
 437                         }
 438                         user->password_len = (pos2 - pos) / 2;
 439                         pos = pos2;
 440                 }
 441
 442                 while (*pos == ' ' || *pos == '\t')
 443                         pos++;
 444                 if (os_strncmp(pos, "[2]", 3) == 0) {
 445                         user->phase2 = 1;
 446                 }
 447
 448         done:
 449                 if (tail == NULL) {
 450                         tail = conf->eap_user = user;
 451                 } else {
 452                         tail->next = user;
 453                         tail = user;
 454                 }
 455                 continue;
 456
 457         failed:
 458                 if (user) {
 459                         os_free(user->password);
 460                         os_free(user->identity);
 461                         os_free(user);
 462                 }
 463                 ret = -1;
 464                 break;
 465         }
 466
 467         fclose(f);
 468
 469         return ret;
 470 }
 471 #endif /* EAP_SERVER */
 472
 473
 474 #ifndef CONFIG_NO_RADIUS
 475 static int
 476 hostapd_config_read_radius_addr(struct hostapd_radius_server **server,
 477                                 int *num_server, const char *val, int def_port,
 478                                 struct hostapd_radius_server **curr_serv)
 479 {
 480         struct hostapd_radius_server *nserv;
 481         int ret;
 482         static int server_index = 1;
 483
 484         nserv = os_realloc_array(*server, *num_server + 1, sizeof(*nserv));
 485         if (nserv == NULL)
 486                 return -1;
 487
 488         *server = nserv;
 489         nserv = &nserv[*num_server];
 490         (*num_server)++;
 491         (*curr_serv) = nserv;
 492
 493         os_memset(nserv, 0, sizeof(*nserv));
 494         nserv->port = def_port;
 495         ret = hostapd_parse_ip_addr(val, &nserv->addr);
 496         nserv->index = server_index++;
 497
 498         return ret;
 499 }
 500
 501
 502 static struct hostapd_radius_attr *
 503 hostapd_parse_radius_attr(const char *value)
 504 {
 505         const char *pos;
 506         char syntax;
 507         struct hostapd_radius_attr *attr;
 508         size_t len;
 509
 510         attr = os_zalloc(sizeof(*attr));
 511         if (attr == NULL)
 512                 return NULL;
 513
 514         attr->type = atoi(value);
 515
 516         pos = os_strchr(value, ':');
 517         if (pos == NULL) {
 518                 attr->val = wpabuf_alloc(1);
 519                 if (attr->val == NULL) {
 520                         os_free(attr);
 521                         return NULL;
 522                 }
 523                 wpabuf_put_u8(attr->val, 0);
 524                 return attr;
 525         }
 526
 527         pos++;
 528         if (pos[0] == '\0' || pos[1] != ':') {
 529                 os_free(attr);
 530                 return NULL;
 531         }
 532         syntax = *pos++;
 533         pos++;
 534
 535         switch (syntax) {
 536         case 's':
 537                 attr->val = wpabuf_alloc_copy(pos, os_strlen(pos));
 538                 break;
 539         case 'x':
 540                 len = os_strlen(pos);
 541                 if (len & 1)
 542                         break;
 543                 len /= 2;
 544                 attr->val = wpabuf_alloc(len);
 545                 if (attr->val == NULL)
 546                         break;
 547                 if (hexstr2bin(pos, wpabuf_put(attr->val, len), len) < 0) {
 548                         wpabuf_free(attr->val);
 549                         os_free(attr);
 550                         return NULL;
 551                 }
 552                 break;
 553         case 'd':
 554                 attr->val = wpabuf_alloc(4);
 555                 if (attr->val)
 556                         wpabuf_put_be32(attr->val, atoi(pos));
 557                 break;
 558         default:
 559                 os_free(attr);
 560                 return NULL;
 561         }
 562
 563         if (attr->val == NULL) {
 564                 os_free(attr);
 565                 return NULL;
 566         }
 567
 568         return attr;
 569 }
 570
 571
 572 static int hostapd_parse_das_client(struct hostapd_bss_config *bss,
 573                                     const char *val)
 574 {
 575         char *secret;
 576
 577         secret = os_strchr(val, ' ');
 578         if (secret == NULL)
 579                 return -1;
 580
 581         secret++;
 582
 583         if (hostapd_parse_ip_addr(val, &bss->radius_das_client_addr))
 584                 return -1;
 585
 586         os_free(bss->radius_das_shared_secret);
 587         bss->radius_das_shared_secret = (u8 *) os_strdup(secret);
 588         if (bss->radius_das_shared_secret == NULL)
 589                 return -1;
 590         bss->radius_das_shared_secret_len = os_strlen(secret);
 591
 592         return 0;
 593 }
 594 #endif /* CONFIG_NO_RADIUS */
 595
 596
 597 static int hostapd_config_parse_key_mgmt(int line, const char *value)
 598 {
 599         int val = 0, last;
 600         char *start, *end, *buf;
 601
 602         buf = os_strdup(value);
 603         if (buf == NULL)
 604                 return -1;
 605         start = buf;
 606
 607         while (*start != '\0') {
 608                 while (*start == ' ' || *start == '\t')
 609                         start++;
 610                 if (*start == '\0')
 611                         break;
 612                 end = start;
 613                 while (*end != ' ' && *end != '\t' && *end != '\0')
 614                         end++;
 615                 last = *end == '\0';
 616                 *end = '\0';
 617                 if (os_strcmp(start, "WPA-PSK") == 0)
 618                         val |= WPA_KEY_MGMT_PSK;
 619                 else if (os_strcmp(start, "WPA-EAP") == 0)
 620                         val |= WPA_KEY_MGMT_IEEE8021X;
 621 #ifdef CONFIG_IEEE80211R
 622                 else if (os_strcmp(start, "FT-PSK") == 0)
 623                         val |= WPA_KEY_MGMT_FT_PSK;
 624                 else if (os_strcmp(start, "FT-EAP") == 0)
 625                         val |= WPA_KEY_MGMT_FT_IEEE8021X;
 626 #endif /* CONFIG_IEEE80211R */
 627 #ifdef CONFIG_IEEE80211W
 628                 else if (os_strcmp(start, "WPA-PSK-SHA256") == 0)
 629                         val |= WPA_KEY_MGMT_PSK_SHA256;
 630                 else if (os_strcmp(start, "WPA-EAP-SHA256") == 0)
 631                         val |= WPA_KEY_MGMT_IEEE8021X_SHA256;
 632 #endif /* CONFIG_IEEE80211W */
 633 #ifdef CONFIG_SAE
 634                 else if (os_strcmp(start, "SAE") == 0)
 635                         val |= WPA_KEY_MGMT_SAE;
 636                 else if (os_strcmp(start, "FT-SAE") == 0)
 637                         val |= WPA_KEY_MGMT_FT_SAE;
 638 #endif /* CONFIG_SAE */
 639                 else {
 640                         wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'",
 641                                    line, start);
 642                         os_free(buf);
 643                         return -1;
 644                 }
 645
 646                 if (last)
 647                         break;
 648                 start = end + 1;
 649         }
 650
 651         os_free(buf);
 652         if (val == 0) {
 653                 wpa_printf(MSG_ERROR, "Line %d: no key_mgmt values "
 654                            "configured.", line);
 655                 return -1;
 656         }
 657
 658         return val;
 659 }
 660
 661
 662 static int hostapd_config_parse_cipher(int line, const char *value)
 663 {
 664         int val = wpa_parse_cipher(value);
 665         if (val < 0) {
 666                 wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.",
 667                            line, value);
 668                 return -1;
 669         }
 670         if (val == 0) {
 671                 wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.",
 672                            line);
 673                 return -1;
 674         }
 675         return val;
 676 }
 677
 678
 679 static int hostapd_config_read_wep(struct hostapd_wep_keys *wep, int keyidx,
 680                                    char *val)
 681 {
 682         size_t len = os_strlen(val);
 683
 684         if (keyidx < 0 || keyidx > 3 || wep->key[keyidx] != NULL)
 685                 return -1;
 686
 687         if (val[0] == '"') {
 688                 if (len < 2 || val[len - 1] != '"')
 689                         return -1;
 690                 len -= 2;
 691                 wep->key[keyidx] = os_malloc(len);
 692                 if (wep->key[keyidx] == NULL)
 693                         return -1;
 694                 os_memcpy(wep->key[keyidx], val + 1, len);
 695                 wep->len[keyidx] = len;
 696         } else {
 697                 if (len & 1)
 698                         return -1;
 699                 len /= 2;
 700                 wep->key[keyidx] = os_malloc(len);
 701                 if (wep->key[keyidx] == NULL)
 702                         return -1;
 703                 wep->len[keyidx] = len;
 704                 if (hexstr2bin(val, wep->key[keyidx], len) < 0)
 705                         return -1;
 706         }
 707
 708         wep->keys_set++;
 709
 710         return 0;
 711 }
 712
 713
 714 static int hostapd_parse_rates(int **rate_list, char *val)
 715 {
 716         int *list;
 717         int count;
 718         char *pos, *end;
 719
 720         os_free(*rate_list);
 721         *rate_list = NULL;
 722
 723         pos = val;
 724         count = 0;
 725         while (*pos != '\0') {
 726                 if (*pos == ' ')
 727                         count++;
 728                 pos++;
 729         }
 730
 731         list = os_malloc(sizeof(int) * (count + 2));
 732         if (list == NULL)
 733                 return -1;
 734         pos = val;
 735         count = 0;
 736         while (*pos != '\0') {
 737                 end = os_strchr(pos, ' ');
 738                 if (end)
 739                         *end = '\0';
 740
 741                 list[count++] = atoi(pos);
 742                 if (!end)
 743                         break;
 744                 pos = end + 1;
 745         }
 746         list[count] = -1;
 747
 748         *rate_list = list;
 749         return 0;
 750 }
 751
 752
 753 static int hostapd_config_bss(struct hostapd_config *conf, const char *ifname)
 754 {
 755         struct hostapd_bss_config *bss;
 756
 757         if (*ifname == '\0')
 758                 return -1;
 759
 760         bss = os_realloc_array(conf->bss, conf->num_bss + 1,
 761                                sizeof(struct hostapd_bss_config));
 762         if (bss == NULL) {
 763                 wpa_printf(MSG_ERROR, "Failed to allocate memory for "
 764                            "multi-BSS entry");
 765                 return -1;
 766         }
 767         conf->bss = bss;
 768
 769         bss = &(conf->bss[conf->num_bss]);
 770         os_memset(bss, 0, sizeof(*bss));
 771         bss->radius = os_zalloc(sizeof(*bss->radius));
 772         if (bss->radius == NULL) {
 773                 wpa_printf(MSG_ERROR, "Failed to allocate memory for "
 774                            "multi-BSS RADIUS data");
 775                 return -1;
 776         }
 777
 778         conf->num_bss++;
 779         conf->last_bss = bss;
 780
 781         hostapd_config_defaults_bss(bss);
 782         os_strlcpy(bss->iface, ifname, sizeof(bss->iface));
 783         os_memcpy(bss->ssid.vlan, bss->iface, IFNAMSIZ + 1);
 784
 785         return 0;
 786 }
 787
 788
 789 /* convert floats with one decimal place to value*10 int, i.e.,
 790  * "1.5" will return 15 */
 791 static int hostapd_config_read_int10(const char *value)
 792 {
 793         int i, d;
 794         char *pos;
 795
 796         i = atoi(value);
 797         pos = os_strchr(value, '.');
 798         d = 0;
 799         if (pos) {
 800                 pos++;
 801                 if (*pos >= '0' && *pos <= '9')
 802                         d = *pos - '0';
 803         }
 804
 805         return i * 10 + d;
 806 }
 807
 808
 809 static int valid_cw(int cw)
 810 {
 811         return (cw == 1 || cw == 3 || cw == 7 || cw == 15 || cw == 31 ||
 812                 cw == 63 || cw == 127 || cw == 255 || cw == 511 || cw == 1023);
 813 }
 814
 815
 816 enum {
 817         IEEE80211_TX_QUEUE_DATA0 = 0, /* used for EDCA AC_VO data */
 818         IEEE80211_TX_QUEUE_DATA1 = 1, /* used for EDCA AC_VI data */
 819         IEEE80211_TX_QUEUE_DATA2 = 2, /* used for EDCA AC_BE data */
 820         IEEE80211_TX_QUEUE_DATA3 = 3 /* used for EDCA AC_BK data */
 821 };
 822
 823 static int hostapd_config_tx_queue(struct hostapd_config *conf, char *name,
 824                                    char *val)
 825 {
 826         int num;
 827         char *pos;
 828         struct hostapd_tx_queue_params *queue;
 829
 830         /* skip 'tx_queue_' prefix */
 831         pos = name + 9;
 832         if (os_strncmp(pos, "data", 4) == 0 &&
 833             pos[4] >= '0' && pos[4] <= '9' && pos[5] == '_') {
 834                 num = pos[4] - '0';
 835                 pos += 6;
 836         } else if (os_strncmp(pos, "after_beacon_", 13) == 0 ||
 837                    os_strncmp(pos, "beacon_", 7) == 0) {
 838                 wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
 839                 return 0;
 840         } else {
 841                 wpa_printf(MSG_ERROR, "Unknown tx_queue name '%s'", pos);
 842                 return -1;
 843         }
 844
 845         if (num >= NUM_TX_QUEUES) {
 846                 /* for backwards compatibility, do not trigger failure */
 847                 wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
 848                 return 0;
 849         }
 850
 851         queue = &conf->tx_queue[num];
 852
 853         if (os_strcmp(pos, "aifs") == 0) {
 854                 queue->aifs = atoi(val);
 855                 if (queue->aifs < 0 || queue->aifs > 255) {
 856                         wpa_printf(MSG_ERROR, "Invalid AIFS value %d",
 857                                    queue->aifs);
 858                         return -1;
 859                 }
 860         } else if (os_strcmp(pos, "cwmin") == 0) {
 861                 queue->cwmin = atoi(val);
 862                 if (!valid_cw(queue->cwmin)) {
 863                         wpa_printf(MSG_ERROR, "Invalid cwMin value %d",
 864                                    queue->cwmin);
 865                         return -1;
 866                 }
 867         } else if (os_strcmp(pos, "cwmax") == 0) {
 868                 queue->cwmax = atoi(val);
 869                 if (!valid_cw(queue->cwmax)) {
 870                         wpa_printf(MSG_ERROR, "Invalid cwMax value %d",
 871                                    queue->cwmax);
 872                         return -1;
 873                 }
 874         } else if (os_strcmp(pos, "burst") == 0) {
 875                 queue->burst = hostapd_config_read_int10(val);
 876         } else {
 877                 wpa_printf(MSG_ERROR, "Unknown tx_queue field '%s'", pos);
 878                 return -1;
 879         }
 880
 881         return 0;
 882 }
 883
 884
 885 #ifdef CONFIG_IEEE80211R
 886 static int add_r0kh(struct hostapd_bss_config *bss, char *value)
 887 {
 888         struct ft_remote_r0kh *r0kh;
 889         char *pos, *next;
 890
 891         r0kh = os_zalloc(sizeof(*r0kh));
 892         if (r0kh == NULL)
 893                 return -1;
 894
 895         /* 02:01:02:03:04:05 a.example.com 000102030405060708090a0b0c0d0e0f */
 896         pos = value;
 897         next = os_strchr(pos, ' ');
 898         if (next)
 899                 *next++ = '\0';
 900         if (next == NULL || hwaddr_aton(pos, r0kh->addr)) {
 901                 wpa_printf(MSG_ERROR, "Invalid R0KH MAC address: '%s'", pos);
 902                 os_free(r0kh);
 903                 return -1;
 904         }
 905
 906         pos = next;
 907         next = os_strchr(pos, ' ');
 908         if (next)
 909                 *next++ = '\0';
 910         if (next == NULL || next - pos > FT_R0KH_ID_MAX_LEN) {
 911                 wpa_printf(MSG_ERROR, "Invalid R0KH-ID: '%s'", pos);
 912                 os_free(r0kh);
 913                 return -1;
 914         }
 915         r0kh->id_len = next - pos - 1;
 916         os_memcpy(r0kh->id, pos, r0kh->id_len);
 917
 918         pos = next;
 919         if (hexstr2bin(pos, r0kh->key, sizeof(r0kh->key))) {
 920                 wpa_printf(MSG_ERROR, "Invalid R0KH key: '%s'", pos);
 921                 os_free(r0kh);
 922                 return -1;
 923         }
 924
 925         r0kh->next = bss->r0kh_list;
 926         bss->r0kh_list = r0kh;
 927
 928         return 0;
 929 }
 930
 931
 932 static int add_r1kh(struct hostapd_bss_config *bss, char *value)
 933 {
 934         struct ft_remote_r1kh *r1kh;
 935         char *pos, *next;
 936
 937         r1kh = os_zalloc(sizeof(*r1kh));
 938         if (r1kh == NULL)
 939                 return -1;
 940
 941         /* 02:01:02:03:04:05 02:01:02:03:04:05
 942          * 000102030405060708090a0b0c0d0e0f */
 943         pos = value;
 944         next = os_strchr(pos, ' ');
 945         if (next)
 946                 *next++ = '\0';
 947         if (next == NULL || hwaddr_aton(pos, r1kh->addr)) {
 948                 wpa_printf(MSG_ERROR, "Invalid R1KH MAC address: '%s'", pos);
 949                 os_free(r1kh);
 950                 return -1;
 951         }
 952
 953         pos = next;
 954         next = os_strchr(pos, ' ');
 955         if (next)
 956                 *next++ = '\0';
 957         if (next == NULL || hwaddr_aton(pos, r1kh->id)) {
 958                 wpa_printf(MSG_ERROR, "Invalid R1KH-ID: '%s'", pos);
 959                 os_free(r1kh);
 960                 return -1;
 961         }
 962
 963         pos = next;
 964         if (hexstr2bin(pos, r1kh->key, sizeof(r1kh->key))) {
 965                 wpa_printf(MSG_ERROR, "Invalid R1KH key: '%s'", pos);
 966                 os_free(r1kh);
 967                 return -1;
 968         }
 969
 970         r1kh->next = bss->r1kh_list;
 971         bss->r1kh_list = r1kh;
 972
 973         return 0;
 974 }
 975 #endif /* CONFIG_IEEE80211R */
 976
 977
 978 #ifdef CONFIG_IEEE80211N
 979 static int hostapd_config_ht_capab(struct hostapd_config *conf,
 980                                    const char *capab)
 981 {
 982         if (os_strstr(capab, "[LDPC]"))
 983                 conf->ht_capab |= HT_CAP_INFO_LDPC_CODING_CAP;
 984         if (os_strstr(capab, "[HT40-]")) {
 985                 conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
 986                 conf->secondary_channel = -1;
 987         }
 988         if (os_strstr(capab, "[HT40+]")) {
 989                 conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
 990                 conf->secondary_channel = 1;
 991         }
 992         if (os_strstr(capab, "[SMPS-STATIC]")) {
 993                 conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
 994                 conf->ht_capab |= HT_CAP_INFO_SMPS_STATIC;
 995         }
 996         if (os_strstr(capab, "[SMPS-DYNAMIC]")) {
 997                 conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
 998                 conf->ht_capab |= HT_CAP_INFO_SMPS_DYNAMIC;
 999         }
1000         if (os_strstr(capab, "[GF]"))
1001                 conf->ht_capab |= HT_CAP_INFO_GREEN_FIELD;
1002         if (os_strstr(capab, "[SHORT-GI-20]"))
1003                 conf->ht_capab |= HT_CAP_INFO_SHORT_GI20MHZ;
1004         if (os_strstr(capab, "[SHORT-GI-40]"))
1005                 conf->ht_capab |= HT_CAP_INFO_SHORT_GI40MHZ;
1006         if (os_strstr(capab, "[TX-STBC]"))
1007                 conf->ht_capab |= HT_CAP_INFO_TX_STBC;
1008         if (os_strstr(capab, "[RX-STBC1]")) {
1009                 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1010                 conf->ht_capab |= HT_CAP_INFO_RX_STBC_1;
1011         }
1012         if (os_strstr(capab, "[RX-STBC12]")) {
1013                 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1014                 conf->ht_capab |= HT_CAP_INFO_RX_STBC_12;
1015         }
1016         if (os_strstr(capab, "[RX-STBC123]")) {
1017                 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1018                 conf->ht_capab |= HT_CAP_INFO_RX_STBC_123;
1019         }
1020         if (os_strstr(capab, "[DELAYED-BA]"))
1021                 conf->ht_capab |= HT_CAP_INFO_DELAYED_BA;
1022         if (os_strstr(capab, "[MAX-AMSDU-7935]"))
1023                 conf->ht_capab |= HT_CAP_INFO_MAX_AMSDU_SIZE;
1024         if (os_strstr(capab, "[DSSS_CCK-40]"))
1025                 conf->ht_capab |= HT_CAP_INFO_DSSS_CCK40MHZ;
1026         if (os_strstr(capab, "[PSMP]"))
1027                 conf->ht_capab |= HT_CAP_INFO_PSMP_SUPP;
1028         if (os_strstr(capab, "[LSIG-TXOP-PROT]"))
1029                 conf->ht_capab |= HT_CAP_INFO_LSIG_TXOP_PROTECT_SUPPORT;
1030
1031         return 0;
1032 }
1033 #endif /* CONFIG_IEEE80211N */
1034
1035
1036 #ifdef CONFIG_IEEE80211AC
1037 static int hostapd_config_vht_capab(struct hostapd_config *conf,
1038                                     const char *capab)
1039 {
1040         if (os_strstr(capab, "[MAX-MPDU-7991]"))
1041                 conf->vht_capab |= VHT_CAP_MAX_MPDU_LENGTH_7991;
1042         if (os_strstr(capab, "[MAX-MPDU-11454]"))
1043                 conf->vht_capab |= VHT_CAP_MAX_MPDU_LENGTH_11454;
1044         if (os_strstr(capab, "[VHT160]"))
1045                 conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
1046         if (os_strstr(capab, "[VHT160-80PLUS80]"))
1047                 conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
1048         if (os_strstr(capab, "[VHT160-80PLUS80]"))
1049                 conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
1050         if (os_strstr(capab, "[RXLDPC]"))
1051                 conf->vht_capab |= VHT_CAP_RXLDPC;
1052         if (os_strstr(capab, "[SHORT-GI-80]"))
1053                 conf->vht_capab |= VHT_CAP_SHORT_GI_80;
1054         if (os_strstr(capab, "[SHORT-GI-160]"))
1055                 conf->vht_capab |= VHT_CAP_SHORT_GI_160;
1056         if (os_strstr(capab, "[TX-STBC-2BY1]"))
1057                 conf->vht_capab |= VHT_CAP_TXSTBC;
1058         if (os_strstr(capab, "[RX-STBC-1]"))
1059                 conf->vht_capab |= VHT_CAP_RXSTBC_1;
1060         if (os_strstr(capab, "[RX-STBC-12]"))
1061                 conf->vht_capab |= VHT_CAP_RXSTBC_2;
1062         if (os_strstr(capab, "[RX-STBC-123]"))
1063                 conf->vht_capab |= VHT_CAP_RXSTBC_3;
1064         if (os_strstr(capab, "[RX-STBC-1234]"))
1065                 conf->vht_capab |= VHT_CAP_RXSTBC_4;
1066         if (os_strstr(capab, "[SU-BEAMFORMER]"))
1067                 conf->vht_capab |= VHT_CAP_MU_BEAMFORMER_CAPABLE;
1068         if (os_strstr(capab, "[SU-BEAMFORMEE]"))
1069                 conf->vht_capab |= VHT_CAP_MU_BEAMFORMEE_CAPABLE;
1070         if (os_strstr(capab, "[BF-ANTENNA-2]") &&
1071             (conf->vht_capab & VHT_CAP_MU_BEAMFORMER_CAPABLE))
1072                 conf->vht_capab |= VHT_CAP_BEAMFORMER_ANTENNAS_MAX;
1073         if (os_strstr(capab, "[SOUNDING-DIMENSION-2]") &&
1074             (conf->vht_capab & VHT_CAP_MU_BEAMFORMER_CAPABLE))
1075                 conf->vht_capab |= VHT_CAP_SOUNDING_DIMENTION_MAX;
1076         if (os_strstr(capab, "[MU-BEAMFORMER]"))
1077                 conf->vht_capab |= VHT_CAP_MU_BEAMFORMER_CAPABLE;
1078         if (os_strstr(capab, "[MU-BEAMFORMEE]"))
1079                 conf->vht_capab |= VHT_CAP_MU_BEAMFORMEE_CAPABLE;
1080         if (os_strstr(capab, "[VHT-TXOP-PS]"))
1081                 conf->vht_capab |= VHT_CAP_VHT_TXOP_PS;
1082         if (os_strstr(capab, "[HTC-VHT]"))
1083                 conf->vht_capab |= VHT_CAP_HTC_VHT;
1084         if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP0]"))
1085                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT;
1086         if (os_strstr(capab, "[VHT-LINK-ADAPT2]") &&
1087             (conf->vht_capab & VHT_CAP_HTC_VHT))
1088                 conf->vht_capab |= VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB;
1089         if (os_strstr(capab, "[VHT-LINK-ADAPT3]") &&
1090             (conf->vht_capab & VHT_CAP_HTC_VHT))
1091                 conf->vht_capab |= VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB;
1092         if (os_strstr(capab, "[RX-ANTENNA-PATTERN]"))
1093                 conf->vht_capab |= VHT_CAP_RX_ANTENNA_PATTERN;
1094         if (os_strstr(capab, "[TX-ANTENNA-PATTERN]"))
1095                 conf->vht_capab |= VHT_CAP_TX_ANTENNA_PATTERN;
1096         return 0;
1097 }
1098 #endif /* CONFIG_IEEE80211AC */
1099
1100
1101 static int hostapd_config_check_bss(struct hostapd_bss_config *bss,
1102                                     struct hostapd_config *conf)
1103 {
1104         if (bss->ieee802_1x && !bss->eap_server &&
1105             !bss->radius->auth_servers) {
1106                 wpa_printf(MSG_ERROR, "Invalid IEEE 802.1X configuration (no "
1107                            "EAP authenticator configured).");
1108                 return -1;
1109         }
1110
1111         if (bss->wpa && bss->wpa_psk_radius != PSK_RADIUS_IGNORED &&
1112             bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
1113                 wpa_printf(MSG_ERROR, "WPA-PSK using RADIUS enabled, but no "
1114                            "RADIUS checking (macaddr_acl=2) enabled.");
1115                 return -1;
1116         }
1117
1118         if (bss->wpa && (bss->wpa_key_mgmt & WPA_KEY_MGMT_PSK) &&
1119             bss->ssid.wpa_psk == NULL && bss->ssid.wpa_passphrase == NULL &&
1120             bss->ssid.wpa_psk_file == NULL &&
1121             (bss->wpa_psk_radius != PSK_RADIUS_REQUIRED ||
1122              bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH)) {
1123                 wpa_printf(MSG_ERROR, "WPA-PSK enabled, but PSK or passphrase "
1124                            "is not configured.");
1125                 return -1;
1126         }
1127
1128         if (hostapd_mac_comp_empty(bss->bssid) != 0) {
1129                 size_t i;
1130
1131                 for (i = 0; i < conf->num_bss; i++) {
1132                         if ((&conf->bss[i] != bss) &&
1133                             (hostapd_mac_comp(conf->bss[i].bssid,
1134                                               bss->bssid) == 0)) {
1135                                 wpa_printf(MSG_ERROR, "Duplicate BSSID " MACSTR
1136                                            " on interface '%s' and '%s'.",
1137                                            MAC2STR(bss->bssid),
1138                                            conf->bss[i].iface, bss->iface);
1139                                 return -1;
1140                         }
1141                 }
1142         }
1143
1144 #ifdef CONFIG_IEEE80211R
1145         if (wpa_key_mgmt_ft(bss->wpa_key_mgmt) &&
1146             (bss->nas_identifier == NULL ||
1147              os_strlen(bss->nas_identifier) < 1 ||
1148              os_strlen(bss->nas_identifier) > FT_R0KH_ID_MAX_LEN)) {
1149                 wpa_printf(MSG_ERROR, "FT (IEEE 802.11r) requires "
1150                            "nas_identifier to be configured as a 1..48 octet "
1151                            "string");
1152                 return -1;
1153         }
1154 #endif /* CONFIG_IEEE80211R */
1155
1156 #ifdef CONFIG_IEEE80211N
1157         if (conf->ieee80211n && conf->hw_mode == HOSTAPD_MODE_IEEE80211B) {
1158                 bss->disable_11n = 1;
1159                 wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) in 11b mode is not "
1160                            "allowed, disabling HT capabilites");
1161         }
1162
1163         if (conf->ieee80211n &&
1164             bss->ssid.security_policy == SECURITY_STATIC_WEP) {
1165                 bss->disable_11n = 1;
1166                 wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WEP is not "
1167                            "allowed, disabling HT capabilities");
1168         }
1169
1170         if (conf->ieee80211n && bss->wpa &&
1171             !(bss->wpa_pairwise & WPA_CIPHER_CCMP) &&
1172             !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP))) {
1173                 bss->disable_11n = 1;
1174                 wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WPA/WPA2 "
1175                            "requires CCMP/GCMP to be enabled, disabling HT "
1176                            "capabilities");
1177         }
1178 #endif /* CONFIG_IEEE80211N */
1179
1180 #ifdef CONFIG_WPS2
1181         if (bss->wps_state && bss->ignore_broadcast_ssid) {
1182                 wpa_printf(MSG_INFO, "WPS: ignore_broadcast_ssid "
1183                            "configuration forced WPS to be disabled");
1184                 bss->wps_state = 0;
1185         }
1186
1187         if (bss->wps_state && bss->ssid.wep.keys_set && bss->wpa == 0) {
1188                 wpa_printf(MSG_INFO, "WPS: WEP configuration forced WPS to be "
1189                            "disabled");
1190                 bss->wps_state = 0;
1191         }
1192
1193         if (bss->wps_state && bss->wpa &&
1194             (!(bss->wpa & 2) ||
1195              !(bss->rsn_pairwise & WPA_CIPHER_CCMP))) {
1196                 wpa_printf(MSG_INFO, "WPS: WPA/TKIP configuration without "
1197                            "WPA2/CCMP forced WPS to be disabled");
1198                 bss->wps_state = 0;
1199         }
1200 #endif /* CONFIG_WPS2 */
1201
1202 #ifdef CONFIG_HS20
1203         if (bss->hs20 &&
1204             (!(bss->wpa & 2) ||
1205              !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP)))) {
1206                 wpa_printf(MSG_ERROR, "HS 2.0: WPA2-Enterprise/CCMP "
1207                            "configuration is required for Hotspot 2.0 "
1208                            "functionality");
1209                 return -1;
1210         }
1211 #endif /* CONFIG_HS20 */
1212
1213         return 0;
1214 }
1215
1216
1217 static int hostapd_config_check(struct hostapd_config *conf)
1218 {
1219         size_t i;
1220
1221         if (conf->ieee80211d && (!conf->country[0] || !conf->country[1])) {
1222                 wpa_printf(MSG_ERROR, "Cannot enable IEEE 802.11d without "
1223                            "setting the country_code");
1224                 return -1;
1225         }
1226
1227         for (i = 0; i < conf->num_bss; i++) {
1228                 if (hostapd_config_check_bss(&conf->bss[i], conf))
1229                         return -1;
1230         }
1231
1232         return 0;
1233 }
1234
1235
1236 #ifdef CONFIG_INTERWORKING
1237 static int parse_roaming_consortium(struct hostapd_bss_config *bss, char *pos,
1238                                     int line)
1239 {
1240         size_t len = os_strlen(pos);
1241         u8 oi[MAX_ROAMING_CONSORTIUM_LEN];
1242
1243         struct hostapd_roaming_consortium *rc;
1244
1245         if ((len & 1) || len < 2 * 3 || len / 2 > MAX_ROAMING_CONSORTIUM_LEN ||
1246             hexstr2bin(pos, oi, len / 2)) {
1247                 wpa_printf(MSG_ERROR, "Line %d: invalid roaming_consortium "
1248                            "'%s'", line, pos);
1249                 return -1;
1250         }
1251         len /= 2;
1252
1253         rc = os_realloc_array(bss->roaming_consortium,
1254                               bss->roaming_consortium_count + 1,
1255                               sizeof(struct hostapd_roaming_consortium));
1256         if (rc == NULL)
1257                 return -1;
1258
1259         os_memcpy(rc[bss->roaming_consortium_count].oi, oi, len);
1260         rc[bss->roaming_consortium_count].len = len;
1261
1262         bss->roaming_consortium = rc;
1263         bss->roaming_consortium_count++;
1264
1265         return 0;
1266 }
1267
1268
1269 static int parse_lang_string(struct hostapd_lang_string **array,
1270                              unsigned int *count, char *pos)
1271 {
1272         char *sep;
1273         size_t clen, nlen;
1274         struct hostapd_lang_string *ls;
1275
1276         sep = os_strchr(pos, ':');
1277         if (sep == NULL)
1278                 return -1;
1279         *sep++ = '\0';
1280
1281         clen = os_strlen(pos);
1282         if (clen < 2)
1283                 return -1;
1284         nlen = os_strlen(sep);
1285         if (nlen > 252)
1286                 return -1;
1287
1288         ls = os_realloc_array(*array, *count + 1,
1289                               sizeof(struct hostapd_lang_string));
1290         if (ls == NULL)
1291                 return -1;
1292
1293         *array = ls;
1294         ls = &(*array)[*count];
1295         (*count)++;
1296
1297         os_memset(ls->lang, 0, sizeof(ls->lang));
1298         os_memcpy(ls->lang, pos, clen);
1299         ls->name_len = nlen;
1300         os_memcpy(ls->name, sep, nlen);
1301
1302         return 0;
1303 }
1304
1305
1306 static int parse_venue_name(struct hostapd_bss_config *bss, char *pos,
1307                             int line)
1308 {
1309         if (parse_lang_string(&bss->venue_name, &bss->venue_name_count, pos)) {
1310                 wpa_printf(MSG_ERROR, "Line %d: Invalid venue_name '%s'",
1311                            line, pos);
1312                 return -1;
1313         }
1314         return 0;
1315 }
1316
1317
1318 static int parse_3gpp_cell_net(struct hostapd_bss_config *bss, char *buf,
1319                                int line)
1320 {
1321         size_t count;
1322         char *pos;
1323         u8 *info = NULL, *ipos;
1324
1325         /* format: <MCC1,MNC1>[;<MCC2,MNC2>][;...] */
1326
1327         count = 1;
1328         for (pos = buf; *pos; pos++) {
1329                 if ((*pos < '0' && *pos > '9') && *pos != ';' && *pos != ',')
1330                         goto fail;
1331                 if (*pos == ';')
1332                         count++;
1333         }
1334         if (1 + count * 3 > 0x7f)
1335                 goto fail;
1336
1337         info = os_zalloc(2 + 3 + count * 3);
1338         if (info == NULL)
1339                 return -1;
1340
1341         ipos = info;
1342         *ipos++ = 0; /* GUD - Version 1 */
1343         *ipos++ = 3 + count * 3; /* User Data Header Length (UDHL) */
1344         *ipos++ = 0; /* PLMN List IEI */
1345         /* ext(b8) | Length of PLMN List value contents(b7..1) */
1346         *ipos++ = 1 + count * 3;
1347         *ipos++ = count; /* Number of PLMNs */
1348
1349         pos = buf;
1350         while (pos && *pos) {
1351                 char *mcc, *mnc;
1352                 size_t mnc_len;
1353
1354                 mcc = pos;
1355                 mnc = os_strchr(pos, ',');
1356                 if (mnc == NULL)
1357                         goto fail;
1358                 *mnc++ = '\0';
1359                 pos = os_strchr(mnc, ';');
1360                 if (pos)
1361                         *pos++ = '\0';
1362
1363                 mnc_len = os_strlen(mnc);
1364                 if (os_strlen(mcc) != 3 || (mnc_len != 2 && mnc_len != 3))
1365                         goto fail;
1366
1367                 /* BC coded MCC,MNC */
1368                 /* MCC digit 2 | MCC digit 1 */
1369                 *ipos++ = ((mcc[1] - '0') << 4) | (mcc[0] - '0');
1370                 /* MNC digit 3 | MCC digit 3 */
1371                 *ipos++ = (((mnc_len == 2) ? 0xf0 : ((mnc[2] - '0') << 4))) |
1372                         (mcc[2] - '0');
1373                 /* MNC digit 2 | MNC digit 1 */
1374                 *ipos++ = ((mnc[1] - '0') << 4) | (mnc[0] - '0');
1375         }
1376
1377         os_free(bss->anqp_3gpp_cell_net);
1378         bss->anqp_3gpp_cell_net = info;
1379         bss->anqp_3gpp_cell_net_len = 2 + 3 + 3 * count;
1380         wpa_hexdump(MSG_MSGDUMP, "3GPP Cellular Network information",
1381                     bss->anqp_3gpp_cell_net, bss->anqp_3gpp_cell_net_len);
1382
1383         return 0;
1384
1385 fail:
1386         wpa_printf(MSG_ERROR, "Line %d: Invalid anqp_3gpp_cell_net: %s",
1387                    line, buf);
1388         os_free(info);
1389         return -1;
1390 }
1391
1392
1393 static int parse_nai_realm(struct hostapd_bss_config *bss, char *buf, int line)
1394 {
1395         struct hostapd_nai_realm_data *realm;
1396         size_t i, j, len;
1397         int *offsets;
1398         char *pos, *end, *rpos;
1399
1400         offsets = os_calloc(bss->nai_realm_count * MAX_NAI_REALMS,
1401                             sizeof(int));
1402         if (offsets == NULL)
1403                 return -1;
1404
1405         for (i = 0; i < bss->nai_realm_count; i++) {
1406                 realm = &bss->nai_realm_data[i];
1407                 for (j = 0; j < MAX_NAI_REALMS; j++) {
1408                         offsets[i * MAX_NAI_REALMS + j] =
1409                                 realm->realm[j] ?
1410                                 realm->realm[j] - realm->realm_buf : -1;
1411                 }
1412         }
1413
1414         realm = os_realloc_array(bss->nai_realm_data, bss->nai_realm_count + 1,
1415                                  sizeof(struct hostapd_nai_realm_data));
1416         if (realm == NULL) {
1417                 os_free(offsets);
1418                 return -1;
1419         }
1420         bss->nai_realm_data = realm;
1421
1422         /* patch the pointers after realloc */
1423         for (i = 0; i < bss->nai_realm_count; i++) {
1424                 realm = &bss->nai_realm_data[i];
1425                 for (j = 0; j < MAX_NAI_REALMS; j++) {
1426                         int offs = offsets[i * MAX_NAI_REALMS + j];
1427                         if (offs >= 0)
1428                                 realm->realm[j] = realm->realm_buf + offs;
1429                         else
1430                                 realm->realm[j] = NULL;
1431                 }
1432         }
1433         os_free(offsets);
1434
1435         realm = &bss->nai_realm_data[bss->nai_realm_count];
1436         os_memset(realm, 0, sizeof(*realm));
1437
1438         pos = buf;
1439         realm->encoding = atoi(pos);
1440         pos = os_strchr(pos, ',');
1441         if (pos == NULL)
1442                 goto fail;
1443         pos++;
1444
1445         end = os_strchr(pos, ',');
1446         if (end) {
1447                 len = end - pos;
1448                 *end = '\0';
1449         } else {
1450                 len = os_strlen(pos);
1451         }
1452
1453         if (len > MAX_NAI_REALMLEN) {
1454                 wpa_printf(MSG_ERROR, "Too long a realm string (%d > max %d "
1455                            "characters)", (int) len, MAX_NAI_REALMLEN);
1456                 goto fail;
1457         }
1458         os_memcpy(realm->realm_buf, pos, len);
1459
1460         if (end)
1461                 pos = end + 1;
1462         else
1463                 pos = NULL;
1464
1465         while (pos && *pos) {
1466                 struct hostapd_nai_realm_eap *eap;
1467
1468                 if (realm->eap_method_count >= MAX_NAI_EAP_METHODS) {
1469                         wpa_printf(MSG_ERROR, "Too many EAP methods");
1470                         goto fail;
1471                 }
1472
1473                 eap = &realm->eap_method[realm->eap_method_count];
1474                 realm->eap_method_count++;
1475
1476                 end = os_strchr(pos, ',');
1477                 if (end == NULL)
1478                         end = pos + os_strlen(pos);
1479
1480                 eap->eap_method = atoi(pos);
1481                 for (;;) {
1482                         pos = os_strchr(pos, '[');
1483                         if (pos == NULL || pos > end)
1484                                 break;
1485                         pos++;
1486                         if (eap->num_auths >= MAX_NAI_AUTH_TYPES) {
1487                                 wpa_printf(MSG_ERROR, "Too many auth params");
1488                                 goto fail;
1489                         }
1490                         eap->auth_id[eap->num_auths] = atoi(pos);
1491                         pos = os_strchr(pos, ':');
1492                         if (pos == NULL || pos > end)
1493                                 goto fail;
1494                         pos++;
1495                         eap->auth_val[eap->num_auths] = atoi(pos);
1496                         pos = os_strchr(pos, ']');
1497                         if (pos == NULL || pos > end)
1498                                 goto fail;
1499                         pos++;
1500                         eap->num_auths++;
1501                 }
1502
1503                 if (*end != ',')
1504                         break;
1505
1506                 pos = end + 1;
1507         }
1508
1509         /* Split realm list into null terminated realms */
1510         rpos = realm->realm_buf;
1511         i = 0;
1512         while (*rpos) {
1513                 if (i >= MAX_NAI_REALMS) {
1514                         wpa_printf(MSG_ERROR, "Too many realms");
1515                         goto fail;
1516                 }
1517                 realm->realm[i++] = rpos;
1518                 rpos = os_strchr(rpos, ';');
1519                 if (rpos == NULL)
1520                         break;
1521                 *rpos++ = '\0';
1522         }
1523
1524         bss->nai_realm_count++;
1525
1526         return 0;
1527
1528 fail:
1529         wpa_printf(MSG_ERROR, "Line %d: invalid nai_realm '%s'", line, buf);
1530         return -1;
1531 }
1532
1533 #endif /* CONFIG_INTERWORKING */
1534
1535
1536 #ifdef CONFIG_HS20
1537 static int hs20_parse_conn_capab(struct hostapd_bss_config *bss, char *buf,
1538                                  int line)
1539 {
1540         u8 *conn_cap;
1541         char *pos;
1542
1543         if (bss->hs20_connection_capability_len >= 0xfff0)
1544                 return -1;
1545
1546         conn_cap = os_realloc(bss->hs20_connection_capability,
1547                               bss->hs20_connection_capability_len + 4);
1548         if (conn_cap == NULL)
1549                 return -1;
1550
1551         bss->hs20_connection_capability = conn_cap;
1552         conn_cap += bss->hs20_connection_capability_len;
1553         pos = buf;
1554         conn_cap[0] = atoi(pos);
1555         pos = os_strchr(pos, ':');
1556         if (pos == NULL)
1557                 return -1;
1558         pos++;
1559         WPA_PUT_LE16(conn_cap + 1, atoi(pos));
1560         pos = os_strchr(pos, ':');
1561         if (pos == NULL)
1562                 return -1;
1563         pos++;
1564         conn_cap[3] = atoi(pos);
1565         bss->hs20_connection_capability_len += 4;
1566
1567         return 0;
1568 }
1569
1570
1571 static int hs20_parse_wan_metrics(struct hostapd_bss_config *bss, char *buf,
1572                                   int line)
1573 {
1574         u8 *wan_metrics;
1575         char *pos;
1576
1577         /* <WAN Info>:<DL Speed>:<UL Speed>:<DL Load>:<UL Load>:<LMD> */
1578
1579         wan_metrics = os_zalloc(13);
1580         if (wan_metrics == NULL)
1581                 return -1;
1582
1583         pos = buf;
1584         /* WAN Info */
1585         if (hexstr2bin(pos, wan_metrics, 1) < 0)
1586                 goto fail;
1587         pos += 2;
1588         if (*pos != ':')
1589                 goto fail;
1590         pos++;
1591
1592         /* Downlink Speed */
1593         WPA_PUT_LE32(wan_metrics + 1, atoi(pos));
1594         pos = os_strchr(pos, ':');
1595         if (pos == NULL)
1596                 goto fail;
1597         pos++;
1598
1599         /* Uplink Speed */
1600         WPA_PUT_LE32(wan_metrics + 5, atoi(pos));
1601         pos = os_strchr(pos, ':');
1602         if (pos == NULL)
1603                 goto fail;
1604         pos++;
1605
1606         /* Downlink Load */
1607         wan_metrics[9] = atoi(pos);
1608         pos = os_strchr(pos, ':');
1609         if (pos == NULL)
1610                 goto fail;
1611         pos++;
1612
1613         /* Uplink Load */
1614         wan_metrics[10] = atoi(pos);
1615         pos = os_strchr(pos, ':');
1616         if (pos == NULL)
1617                 goto fail;
1618         pos++;
1619
1620         /* LMD */
1621         WPA_PUT_LE16(wan_metrics + 11, atoi(pos));
1622
1623         os_free(bss->hs20_wan_metrics);
1624         bss->hs20_wan_metrics = wan_metrics;
1625
1626         return 0;
1627
1628 fail:
1629         wpa_printf(MSG_ERROR, "Line %d: Invalid hs20_wan_metrics '%s'",
1630                    line, pos);
1631         os_free(wan_metrics);
1632         return -1;
1633 }
1634
1635
1636 static int hs20_parse_oper_friendly_name(struct hostapd_bss_config *bss,
1637                                          char *pos, int line)
1638 {
1639         if (parse_lang_string(&bss->hs20_oper_friendly_name,
1640                               &bss->hs20_oper_friendly_name_count, pos)) {
1641                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1642                            "hs20_oper_friendly_name '%s'", line, pos);
1643                 return -1;
1644         }
1645         return 0;
1646 }
1647 #endif /* CONFIG_HS20 */
1648
1649
1650 #ifdef CONFIG_WPS_NFC
1651 static struct wpabuf * hostapd_parse_bin(const char *buf)
1652 {
1653         size_t len;
1654         struct wpabuf *ret;
1655
1656         len = os_strlen(buf);
1657         if (len & 0x01)
1658                 return NULL;
1659         len /= 2;
1660
1661         ret = wpabuf_alloc(len);
1662         if (ret == NULL)
1663                 return NULL;
1664
1665         if (hexstr2bin(buf, wpabuf_put(ret, len), len)) {
1666                 wpabuf_free(ret);
1667                 return NULL;
1668         }
1669
1670         return ret;
1671 }
1672 #endif /* CONFIG_WPS_NFC */
1673
1674
1675 static int hostapd_config_fill(struct hostapd_config *conf,
1676                                struct hostapd_bss_config *bss,
1677                                char *buf, char *pos, int line)
1678 {
1679         int errors = 0;
1680
1681         {
1682                 if (os_strcmp(buf, "interface") == 0) {
1683                         os_strlcpy(conf->bss[0].iface, pos,
1684                                    sizeof(conf->bss[0].iface));
1685                 } else if (os_strcmp(buf, "bridge") == 0) {
1686                         os_strlcpy(bss->bridge, pos, sizeof(bss->bridge));
1687                 } else if (os_strcmp(buf, "wds_bridge") == 0) {
1688                         os_strlcpy(bss->wds_bridge, pos,
1689                                    sizeof(bss->wds_bridge));
1690                 } else if (os_strcmp(buf, "driver") == 0) {
1691                         int j;
1692                         /* clear to get error below if setting is invalid */
1693                         conf->driver = NULL;
1694                         for (j = 0; wpa_drivers[j]; j++) {
1695                                 if (os_strcmp(pos, wpa_drivers[j]->name) == 0)
1696                                 {
1697                                         conf->driver = wpa_drivers[j];
1698                                         break;
1699                                 }
1700                         }
1701                         if (conf->driver == NULL) {
1702                                 wpa_printf(MSG_ERROR, "Line %d: invalid/"
1703                                            "unknown driver '%s'", line, pos);
1704                                 errors++;
1705                         }
1706                 } else if (os_strcmp(buf, "debug") == 0) {
1707                         wpa_printf(MSG_DEBUG, "Line %d: DEPRECATED: 'debug' "
1708                                    "configuration variable is not used "
1709                                    "anymore", line);
1710                 } else if (os_strcmp(buf, "logger_syslog_level") == 0) {
1711                         bss->logger_syslog_level = atoi(pos);
1712                 } else if (os_strcmp(buf, "logger_stdout_level") == 0) {
1713                         bss->logger_stdout_level = atoi(pos);
1714                 } else if (os_strcmp(buf, "logger_syslog") == 0) {
1715                         bss->logger_syslog = atoi(pos);
1716                 } else if (os_strcmp(buf, "logger_stdout") == 0) {
1717                         bss->logger_stdout = atoi(pos);
1718                 } else if (os_strcmp(buf, "dump_file") == 0) {
1719                         bss->dump_log_name = os_strdup(pos);
1720                 } else if (os_strcmp(buf, "ssid") == 0) {
1721                         bss->ssid.ssid_len = os_strlen(pos);
1722                         if (bss->ssid.ssid_len > HOSTAPD_MAX_SSID_LEN ||
1723                             bss->ssid.ssid_len < 1) {
1724                                 wpa_printf(MSG_ERROR, "Line %d: invalid SSID "
1725                                            "'%s'", line, pos);
1726                                 errors++;
1727                         } else {
1728                                 os_memcpy(bss->ssid.ssid, pos,
1729                                           bss->ssid.ssid_len);
1730                                 bss->ssid.ssid_set = 1;
1731                         }
1732                 } else if (os_strcmp(buf, "ssid2") == 0) {
1733                         size_t slen;
1734                         char *str = wpa_config_parse_string(pos, &slen);
1735                         if (str == NULL || slen < 1 ||
1736                                    slen > HOSTAPD_MAX_SSID_LEN) {
1737                                 wpa_printf(MSG_ERROR, "Line %d: invalid SSID "
1738                                            "'%s'", line, pos);
1739                                 errors++;
1740                         } else {
1741                                 os_memcpy(bss->ssid.ssid, str, slen);
1742                                 bss->ssid.ssid_len = slen;
1743                                 bss->ssid.ssid_set = 1;
1744                         }
1745                         os_free(str);
1746                 } else if (os_strcmp(buf, "utf8_ssid") == 0) {
1747                         bss->ssid.utf8_ssid = atoi(pos) > 0;
1748                 } else if (os_strcmp(buf, "macaddr_acl") == 0) {
1749                         bss->macaddr_acl = atoi(pos);
1750                         if (bss->macaddr_acl != ACCEPT_UNLESS_DENIED &&
1751                             bss->macaddr_acl != DENY_UNLESS_ACCEPTED &&
1752                             bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
1753                                 wpa_printf(MSG_ERROR, "Line %d: unknown "
1754                                            "macaddr_acl %d",
1755                                            line, bss->macaddr_acl);
1756                         }
1757                 } else if (os_strcmp(buf, "accept_mac_file") == 0) {
1758                         if (hostapd_config_read_maclist(pos, &bss->accept_mac,
1759                                                         &bss->num_accept_mac))
1760                         {
1761                                 wpa_printf(MSG_ERROR, "Line %d: Failed to "
1762                                            "read accept_mac_file '%s'",
1763                                            line, pos);
1764                                 errors++;
1765                         }
1766                 } else if (os_strcmp(buf, "deny_mac_file") == 0) {
1767                         if (hostapd_config_read_maclist(pos, &bss->deny_mac,
1768                                                         &bss->num_deny_mac)) {
1769                                 wpa_printf(MSG_ERROR, "Line %d: Failed to "
1770                                            "read deny_mac_file '%s'",
1771                                            line, pos);
1772                                 errors++;
1773                         }
1774                 } else if (os_strcmp(buf, "wds_sta") == 0) {
1775                         bss->wds_sta = atoi(pos);
1776                 } else if (os_strcmp(buf, "ap_isolate") == 0) {
1777                         bss->isolate = atoi(pos);
1778                 } else if (os_strcmp(buf, "ap_max_inactivity") == 0) {
1779                         bss->ap_max_inactivity = atoi(pos);
1780                 } else if (os_strcmp(buf, "skip_inactivity_poll") == 0) {
1781                         bss->skip_inactivity_poll = atoi(pos);
1782                 } else if (os_strcmp(buf, "country_code") == 0) {
1783                         os_memcpy(conf->country, pos, 2);
1784                         /* FIX: make this configurable */
1785                         conf->country[2] = ' ';
1786                 } else if (os_strcmp(buf, "ieee80211d") == 0) {
1787                         conf->ieee80211d = atoi(pos);
1788                 } else if (os_strcmp(buf, "ieee8021x") == 0) {
1789                         bss->ieee802_1x = atoi(pos);
1790                 } else if (os_strcmp(buf, "eapol_version") == 0) {
1791                         bss->eapol_version = atoi(pos);
1792                         if (bss->eapol_version < 1 ||
1793                             bss->eapol_version > 2) {
1794                                 wpa_printf(MSG_ERROR, "Line %d: invalid EAPOL "
1795                                            "version (%d): '%s'.",
1796                                            line, bss->eapol_version, pos);
1797                                 errors++;
1798                         } else
1799                                 wpa_printf(MSG_DEBUG, "eapol_version=%d",
1800                                            bss->eapol_version);
1801 #ifdef EAP_SERVER
1802                 } else if (os_strcmp(buf, "eap_authenticator") == 0) {
1803                         bss->eap_server = atoi(pos);
1804                         wpa_printf(MSG_ERROR, "Line %d: obsolete "
1805                                    "eap_authenticator used; this has been "
1806                                    "renamed to eap_server", line);
1807                 } else if (os_strcmp(buf, "eap_server") == 0) {
1808                         bss->eap_server = atoi(pos);
1809                 } else if (os_strcmp(buf, "eap_user_file") == 0) {
1810                         if (hostapd_config_read_eap_user(pos, bss))
1811                                 errors++;
1812                 } else if (os_strcmp(buf, "ca_cert") == 0) {
1813                         os_free(bss->ca_cert);
1814                         bss->ca_cert = os_strdup(pos);
1815                 } else if (os_strcmp(buf, "server_cert") == 0) {
1816                         os_free(bss->server_cert);
1817                         bss->server_cert = os_strdup(pos);
1818                 } else if (os_strcmp(buf, "private_key") == 0) {
1819                         os_free(bss->private_key);
1820                         bss->private_key = os_strdup(pos);
1821                 } else if (os_strcmp(buf, "private_key_passwd") == 0) {
1822                         os_free(bss->private_key_passwd);
1823                         bss->private_key_passwd = os_strdup(pos);
1824                 } else if (os_strcmp(buf, "check_crl") == 0) {
1825                         bss->check_crl = atoi(pos);
1826                 } else if (os_strcmp(buf, "dh_file") == 0) {
1827                         os_free(bss->dh_file);
1828                         bss->dh_file = os_strdup(pos);
1829                 } else if (os_strcmp(buf, "fragment_size") == 0) {
1830                         bss->fragment_size = atoi(pos);
1831 #ifdef EAP_SERVER_FAST
1832                 } else if (os_strcmp(buf, "pac_opaque_encr_key") == 0) {
1833                         os_free(bss->pac_opaque_encr_key);
1834                         bss->pac_opaque_encr_key = os_malloc(16);
1835                         if (bss->pac_opaque_encr_key == NULL) {
1836                                 wpa_printf(MSG_ERROR, "Line %d: No memory for "
1837                                            "pac_opaque_encr_key", line);
1838                                 errors++;
1839                         } else if (hexstr2bin(pos, bss->pac_opaque_encr_key,
1840                                               16)) {
1841                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1842                                            "pac_opaque_encr_key", line);
1843                                 errors++;
1844                         }
1845                 } else if (os_strcmp(buf, "eap_fast_a_id") == 0) {
1846                         size_t idlen = os_strlen(pos);
1847                         if (idlen & 1) {
1848                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1849                                            "eap_fast_a_id", line);
1850                                 errors++;
1851                         } else {
1852                                 os_free(bss->eap_fast_a_id);
1853                                 bss->eap_fast_a_id = os_malloc(idlen / 2);
1854                                 if (bss->eap_fast_a_id == NULL ||
1855                                     hexstr2bin(pos, bss->eap_fast_a_id,
1856                                                idlen / 2)) {
1857                                         wpa_printf(MSG_ERROR, "Line %d: "
1858                                                    "Failed to parse "
1859                                                    "eap_fast_a_id", line);
1860                                         errors++;
1861                                 } else
1862                                         bss->eap_fast_a_id_len = idlen / 2;
1863                         }
1864                 } else if (os_strcmp(buf, "eap_fast_a_id_info") == 0) {
1865                         os_free(bss->eap_fast_a_id_info);
1866                         bss->eap_fast_a_id_info = os_strdup(pos);
1867                 } else if (os_strcmp(buf, "eap_fast_prov") == 0) {
1868                         bss->eap_fast_prov = atoi(pos);
1869                 } else if (os_strcmp(buf, "pac_key_lifetime") == 0) {
1870                         bss->pac_key_lifetime = atoi(pos);
1871                 } else if (os_strcmp(buf, "pac_key_refresh_time") == 0) {
1872                         bss->pac_key_refresh_time = atoi(pos);
1873 #endif /* EAP_SERVER_FAST */
1874 #ifdef EAP_SERVER_SIM
1875                 } else if (os_strcmp(buf, "eap_sim_db") == 0) {
1876                         os_free(bss->eap_sim_db);
1877                         bss->eap_sim_db = os_strdup(pos);
1878                 } else if (os_strcmp(buf, "eap_sim_aka_result_ind") == 0) {
1879                         bss->eap_sim_aka_result_ind = atoi(pos);
1880 #endif /* EAP_SERVER_SIM */
1881 #ifdef EAP_SERVER_TNC
1882                 } else if (os_strcmp(buf, "tnc") == 0) {
1883                         bss->tnc = atoi(pos);
1884 #endif /* EAP_SERVER_TNC */
1885 #ifdef EAP_SERVER_PWD
1886                 } else if (os_strcmp(buf, "pwd_group") == 0) {
1887                         bss->pwd_group = atoi(pos);
1888 #endif /* EAP_SERVER_PWD */
1889 #endif /* EAP_SERVER */
1890                 } else if (os_strcmp(buf, "eap_message") == 0) {
1891                         char *term;
1892                         bss->eap_req_id_text = os_strdup(pos);
1893                         if (bss->eap_req_id_text == NULL) {
1894                                 wpa_printf(MSG_ERROR, "Line %d: Failed to "
1895                                            "allocate memory for "
1896                                            "eap_req_id_text", line);
1897                                 errors++;
1898                                 return errors;
1899                         }
1900                         bss->eap_req_id_text_len =
1901                                 os_strlen(bss->eap_req_id_text);
1902                         term = os_strstr(bss->eap_req_id_text, "\\0");
1903                         if (term) {
1904                                 *term++ = '\0';
1905                                 os_memmove(term, term + 1,
1906                                            bss->eap_req_id_text_len -
1907                                            (term - bss->eap_req_id_text) - 1);
1908                                 bss->eap_req_id_text_len--;
1909                         }
1910                 } else if (os_strcmp(buf, "wep_key_len_broadcast") == 0) {
1911                         bss->default_wep_key_len = atoi(pos);
1912                         if (bss->default_wep_key_len > 13) {
1913                                 wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
1914                                            "key len %lu (= %lu bits)", line,
1915                                            (unsigned long)
1916                                            bss->default_wep_key_len,
1917                                            (unsigned long)
1918                                            bss->default_wep_key_len * 8);
1919                                 errors++;
1920                         }
1921                 } else if (os_strcmp(buf, "wep_key_len_unicast") == 0) {
1922                         bss->individual_wep_key_len = atoi(pos);
1923                         if (bss->individual_wep_key_len < 0 ||
1924                             bss->individual_wep_key_len > 13) {
1925                                 wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
1926                                            "key len %d (= %d bits)", line,
1927                                            bss->individual_wep_key_len,
1928                                            bss->individual_wep_key_len * 8);
1929                                 errors++;
1930                         }
1931                 } else if (os_strcmp(buf, "wep_rekey_period") == 0) {
1932                         bss->wep_rekeying_period = atoi(pos);
1933                         if (bss->wep_rekeying_period < 0) {
1934                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1935                                            "period %d",
1936                                            line, bss->wep_rekeying_period);
1937                                 errors++;
1938                         }
1939                 } else if (os_strcmp(buf, "eap_reauth_period") == 0) {
1940                         bss->eap_reauth_period = atoi(pos);
1941                         if (bss->eap_reauth_period < 0) {
1942                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1943                                            "period %d",
1944                                            line, bss->eap_reauth_period);
1945                                 errors++;
1946                         }
1947                 } else if (os_strcmp(buf, "eapol_key_index_workaround") == 0) {
1948                         bss->eapol_key_index_workaround = atoi(pos);
1949 #ifdef CONFIG_IAPP
1950                 } else if (os_strcmp(buf, "iapp_interface") == 0) {
1951                         bss->ieee802_11f = 1;
1952                         os_strlcpy(bss->iapp_iface, pos,
1953                                    sizeof(bss->iapp_iface));
1954 #endif /* CONFIG_IAPP */
1955                 } else if (os_strcmp(buf, "own_ip_addr") == 0) {
1956                         if (hostapd_parse_ip_addr(pos, &bss->own_ip_addr)) {
1957                                 wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1958                                            "address '%s'", line, pos);
1959                                 errors++;
1960                         }
1961                 } else if (os_strcmp(buf, "nas_identifier") == 0) {
1962                         bss->nas_identifier = os_strdup(pos);
1963 #ifndef CONFIG_NO_RADIUS
1964                 } else if (os_strcmp(buf, "auth_server_addr") == 0) {
1965                         if (hostapd_config_read_radius_addr(
1966                                     &bss->radius->auth_servers,
1967                                     &bss->radius->num_auth_servers, pos, 1812,
1968                                     &bss->radius->auth_server)) {
1969                                 wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1970                                            "address '%s'", line, pos);
1971                                 errors++;
1972                         }
1973                 } else if (bss->radius->auth_server &&
1974                            os_strcmp(buf, "auth_server_port") == 0) {
1975                         bss->radius->auth_server->port = atoi(pos);
1976                 } else if (bss->radius->auth_server &&
1977                            os_strcmp(buf, "auth_server_shared_secret") == 0) {
1978                         int len = os_strlen(pos);
1979                         if (len == 0) {
1980                                 /* RFC 2865, Ch. 3 */
1981                                 wpa_printf(MSG_ERROR, "Line %d: empty shared "
1982                                            "secret is not allowed.", line);
1983                                 errors++;
1984                         }
1985                         bss->radius->auth_server->shared_secret =
1986                                 (u8 *) os_strdup(pos);
1987                         bss->radius->auth_server->shared_secret_len = len;
1988                 } else if (os_strcmp(buf, "acct_server_addr") == 0) {
1989                         if (hostapd_config_read_radius_addr(
1990                                     &bss->radius->acct_servers,
1991                                     &bss->radius->num_acct_servers, pos, 1813,
1992                                     &bss->radius->acct_server)) {
1993                                 wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1994                                            "address '%s'", line, pos);
1995                                 errors++;
1996                         }
1997                 } else if (bss->radius->acct_server &&
1998                            os_strcmp(buf, "acct_server_port") == 0) {
1999                         bss->radius->acct_server->port = atoi(pos);
2000                 } else if (bss->radius->acct_server &&
2001                            os_strcmp(buf, "acct_server_shared_secret") == 0) {
2002                         int len = os_strlen(pos);
2003                         if (len == 0) {
2004                                 /* RFC 2865, Ch. 3 */
2005                                 wpa_printf(MSG_ERROR, "Line %d: empty shared "
2006                                            "secret is not allowed.", line);
2007                                 errors++;
2008                         }
2009                         bss->radius->acct_server->shared_secret =
2010                                 (u8 *) os_strdup(pos);
2011                         bss->radius->acct_server->shared_secret_len = len;
2012                 } else if (os_strcmp(buf, "radius_retry_primary_interval") ==
2013                            0) {
2014                         bss->radius->retry_primary_interval = atoi(pos);
2015                 } else if (os_strcmp(buf, "radius_acct_interim_interval") == 0)
2016                 {
2017                         bss->acct_interim_interval = atoi(pos);
2018                 } else if (os_strcmp(buf, "radius_request_cui") == 0) {
2019                         bss->radius_request_cui = atoi(pos);
2020                 } else if (os_strcmp(buf, "radius_auth_req_attr") == 0) {
2021                         struct hostapd_radius_attr *attr, *a;
2022                         attr = hostapd_parse_radius_attr(pos);
2023                         if (attr == NULL) {
2024                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2025                                            "radius_auth_req_attr", line);
2026                                 errors++;
2027                         } else if (bss->radius_auth_req_attr == NULL) {
2028                                 bss->radius_auth_req_attr = attr;
2029                         } else {
2030                                 a = bss->radius_auth_req_attr;
2031                                 while (a->next)
2032                                         a = a->next;
2033                                 a->next = attr;
2034                         }
2035                 } else if (os_strcmp(buf, "radius_acct_req_attr") == 0) {
2036                         struct hostapd_radius_attr *attr, *a;
2037                         attr = hostapd_parse_radius_attr(pos);
2038                         if (attr == NULL) {
2039                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2040                                            "radius_acct_req_attr", line);
2041                                 errors++;
2042                         } else if (bss->radius_acct_req_attr == NULL) {
2043                                 bss->radius_acct_req_attr = attr;
2044                         } else {
2045                                 a = bss->radius_acct_req_attr;
2046                                 while (a->next)
2047                                         a = a->next;
2048                                 a->next = attr;
2049                         }
2050                 } else if (os_strcmp(buf, "radius_das_port") == 0) {
2051                         bss->radius_das_port = atoi(pos);
2052                 } else if (os_strcmp(buf, "radius_das_client") == 0) {
2053                         if (hostapd_parse_das_client(bss, pos) < 0) {
2054                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2055                                            "DAS client", line);
2056                                 errors++;
2057                         }
2058                 } else if (os_strcmp(buf, "radius_das_time_window") == 0) {
2059                         bss->radius_das_time_window = atoi(pos);
2060                 } else if (os_strcmp(buf, "radius_das_require_event_timestamp")
2061                            == 0) {
2062                         bss->radius_das_require_event_timestamp = atoi(pos);
2063 #endif /* CONFIG_NO_RADIUS */
2064                 } else if (os_strcmp(buf, "auth_algs") == 0) {
2065                         bss->auth_algs = atoi(pos);
2066                         if (bss->auth_algs == 0) {
2067                                 wpa_printf(MSG_ERROR, "Line %d: no "
2068                                            "authentication algorithms allowed",
2069                                            line);
2070                                 errors++;
2071                         }
2072                 } else if (os_strcmp(buf, "max_num_sta") == 0) {
2073                         bss->max_num_sta = atoi(pos);
2074                         if (bss->max_num_sta < 0 ||
2075                             bss->max_num_sta > MAX_STA_COUNT) {
2076                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2077                                            "max_num_sta=%d; allowed range "
2078                                            "0..%d", line, bss->max_num_sta,
2079                                            MAX_STA_COUNT);
2080                                 errors++;
2081                         }
2082                 } else if (os_strcmp(buf, "wpa") == 0) {
2083                         bss->wpa = atoi(pos);
2084                 } else if (os_strcmp(buf, "wpa_group_rekey") == 0) {
2085                         bss->wpa_group_rekey = atoi(pos);
2086                 } else if (os_strcmp(buf, "wpa_strict_rekey") == 0) {
2087                         bss->wpa_strict_rekey = atoi(pos);
2088                 } else if (os_strcmp(buf, "wpa_gmk_rekey") == 0) {
2089                         bss->wpa_gmk_rekey = atoi(pos);
2090                 } else if (os_strcmp(buf, "wpa_ptk_rekey") == 0) {
2091                         bss->wpa_ptk_rekey = atoi(pos);
2092                 } else if (os_strcmp(buf, "wpa_passphrase") == 0) {
2093                         int len = os_strlen(pos);
2094                         if (len < 8 || len > 63) {
2095                                 wpa_printf(MSG_ERROR, "Line %d: invalid WPA "
2096                                            "passphrase length %d (expected "
2097                                            "8..63)", line, len);
2098                                 errors++;
2099                         } else {
2100                                 os_free(bss->ssid.wpa_passphrase);
2101                                 bss->ssid.wpa_passphrase = os_strdup(pos);
2102                                 os_free(bss->ssid.wpa_psk);
2103                                 bss->ssid.wpa_psk = NULL;
2104                         }
2105                 } else if (os_strcmp(buf, "wpa_psk") == 0) {
2106                         os_free(bss->ssid.wpa_psk);
2107                         bss->ssid.wpa_psk =
2108                                 os_zalloc(sizeof(struct hostapd_wpa_psk));
2109                         if (bss->ssid.wpa_psk == NULL)
2110                                 errors++;
2111                         else if (hexstr2bin(pos, bss->ssid.wpa_psk->psk,
2112                                             PMK_LEN) ||
2113                                  pos[PMK_LEN * 2] != '\0') {
2114                                 wpa_printf(MSG_ERROR, "Line %d: Invalid PSK "
2115                                            "'%s'.", line, pos);
2116                                 errors++;
2117                         } else {
2118                                 bss->ssid.wpa_psk->group = 1;
2119                                 os_free(bss->ssid.wpa_passphrase);
2120                                 bss->ssid.wpa_passphrase = NULL;
2121                         }
2122                 } else if (os_strcmp(buf, "wpa_psk_file") == 0) {
2123                         os_free(bss->ssid.wpa_psk_file);
2124                         bss->ssid.wpa_psk_file = os_strdup(pos);
2125                         if (!bss->ssid.wpa_psk_file) {
2126                                 wpa_printf(MSG_ERROR, "Line %d: allocation "
2127                                            "failed", line);
2128                                 errors++;
2129                         }
2130                 } else if (os_strcmp(buf, "wpa_key_mgmt") == 0) {
2131                         bss->wpa_key_mgmt =
2132                                 hostapd_config_parse_key_mgmt(line, pos);
2133                         if (bss->wpa_key_mgmt == -1)
2134                                 errors++;
2135                 } else if (os_strcmp(buf, "wpa_psk_radius") == 0) {
2136                         bss->wpa_psk_radius = atoi(pos);
2137                         if (bss->wpa_psk_radius != PSK_RADIUS_IGNORED &&
2138                             bss->wpa_psk_radius != PSK_RADIUS_ACCEPTED &&
2139                             bss->wpa_psk_radius != PSK_RADIUS_REQUIRED) {
2140                                 wpa_printf(MSG_ERROR, "Line %d: unknown "
2141                                            "wpa_psk_radius %d",
2142                                            line, bss->wpa_psk_radius);
2143                                 errors++;
2144                         }
2145                 } else if (os_strcmp(buf, "wpa_pairwise") == 0) {
2146                         bss->wpa_pairwise =
2147                                 hostapd_config_parse_cipher(line, pos);
2148                         if (bss->wpa_pairwise == -1 ||
2149                             bss->wpa_pairwise == 0)
2150                                 errors++;
2151                         else if (bss->wpa_pairwise &
2152                                  (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
2153                                   WPA_CIPHER_WEP104)) {
2154                                 wpa_printf(MSG_ERROR, "Line %d: unsupported "
2155                                            "pairwise cipher suite '%s'",
2156                                            bss->wpa_pairwise, pos);
2157                                 errors++;
2158                         }
2159                 } else if (os_strcmp(buf, "rsn_pairwise") == 0) {
2160                         bss->rsn_pairwise =
2161                                 hostapd_config_parse_cipher(line, pos);
2162                         if (bss->rsn_pairwise == -1 ||
2163                             bss->rsn_pairwise == 0)
2164                                 errors++;
2165                         else if (bss->rsn_pairwise &
2166                                  (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
2167                                   WPA_CIPHER_WEP104)) {
2168                                 wpa_printf(MSG_ERROR, "Line %d: unsupported "
2169                                            "pairwise cipher suite '%s'",
2170                                            bss->rsn_pairwise, pos);
2171                                 errors++;
2172                         }
2173 #ifdef CONFIG_RSN_PREAUTH
2174                 } else if (os_strcmp(buf, "rsn_preauth") == 0) {
2175                         bss->rsn_preauth = atoi(pos);
2176                 } else if (os_strcmp(buf, "rsn_preauth_interfaces") == 0) {
2177                         bss->rsn_preauth_interfaces = os_strdup(pos);
2178 #endif /* CONFIG_RSN_PREAUTH */
2179 #ifdef CONFIG_PEERKEY
2180                 } else if (os_strcmp(buf, "peerkey") == 0) {
2181                         bss->peerkey = atoi(pos);
2182 #endif /* CONFIG_PEERKEY */
2183 #ifdef CONFIG_IEEE80211R
2184                 } else if (os_strcmp(buf, "mobility_domain") == 0) {
2185                         if (os_strlen(pos) != 2 * MOBILITY_DOMAIN_ID_LEN ||
2186                             hexstr2bin(pos, bss->mobility_domain,
2187                                        MOBILITY_DOMAIN_ID_LEN) != 0) {
2188                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
2189                                            "mobility_domain '%s'", line, pos);
2190                                 errors++;
2191                                 return errors;
2192                         }
2193                 } else if (os_strcmp(buf, "r1_key_holder") == 0) {
2194                         if (os_strlen(pos) != 2 * FT_R1KH_ID_LEN ||
2195                             hexstr2bin(pos, bss->r1_key_holder,
2196                                        FT_R1KH_ID_LEN) != 0) {
2197                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
2198                                            "r1_key_holder '%s'", line, pos);
2199                                 errors++;
2200                                 return errors;
2201                         }
2202                 } else if (os_strcmp(buf, "r0_key_lifetime") == 0) {
2203                         bss->r0_key_lifetime = atoi(pos);
2204                 } else if (os_strcmp(buf, "reassociation_deadline") == 0) {
2205                         bss->reassociation_deadline = atoi(pos);
2206                 } else if (os_strcmp(buf, "r0kh") == 0) {
2207                         if (add_r0kh(bss, pos) < 0) {
2208                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
2209                                            "r0kh '%s'", line, pos);
2210                                 errors++;
2211                                 return errors;
2212                         }
2213                 } else if (os_strcmp(buf, "r1kh") == 0) {
2214                         if (add_r1kh(bss, pos) < 0) {
2215                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
2216                                            "r1kh '%s'", line, pos);
2217                                 errors++;
2218                                 return errors;
2219                         }
2220                 } else if (os_strcmp(buf, "pmk_r1_push") == 0) {
2221                         bss->pmk_r1_push = atoi(pos);
2222                 } else if (os_strcmp(buf, "ft_over_ds") == 0) {
2223                         bss->ft_over_ds = atoi(pos);
2224 #endif /* CONFIG_IEEE80211R */
2225 #ifndef CONFIG_NO_CTRL_IFACE
2226                 } else if (os_strcmp(buf, "ctrl_interface") == 0) {
2227                         os_free(bss->ctrl_interface);
2228                         bss->ctrl_interface = os_strdup(pos);
2229                 } else if (os_strcmp(buf, "ctrl_interface_group") == 0) {
2230 #ifndef CONFIG_NATIVE_WINDOWS
2231                         struct group *grp;
2232                         char *endp;
2233                         const char *group = pos;
2234
2235                         grp = getgrnam(group);
2236                         if (grp) {
2237                                 bss->ctrl_interface_gid = grp->gr_gid;
2238                                 bss->ctrl_interface_gid_set = 1;
2239                                 wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d"
2240                                            " (from group name '%s')",
2241                                            bss->ctrl_interface_gid, group);
2242                                 return errors;
2243                         }
2244
2245                         /* Group name not found - try to parse this as gid */
2246                         bss->ctrl_interface_gid = strtol(group, &endp, 10);
2247                         if (*group == '\0' || *endp != '\0') {
2248                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid group "
2249                                            "'%s'", line, group);
2250                                 errors++;
2251                                 return errors;
2252                         }
2253                         bss->ctrl_interface_gid_set = 1;
2254                         wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d",
2255                                    bss->ctrl_interface_gid);
2256 #endif /* CONFIG_NATIVE_WINDOWS */
2257 #endif /* CONFIG_NO_CTRL_IFACE */
2258 #ifdef RADIUS_SERVER
2259                 } else if (os_strcmp(buf, "radius_server_clients") == 0) {
2260                         os_free(bss->radius_server_clients);
2261                         bss->radius_server_clients = os_strdup(pos);
2262                 } else if (os_strcmp(buf, "radius_server_auth_port") == 0) {
2263                         bss->radius_server_auth_port = atoi(pos);
2264                 } else if (os_strcmp(buf, "radius_server_ipv6") == 0) {
2265                         bss->radius_server_ipv6 = atoi(pos);
2266 #endif /* RADIUS_SERVER */
2267                 } else if (os_strcmp(buf, "test_socket") == 0) {
2268                         os_free(bss->test_socket);
2269                         bss->test_socket = os_strdup(pos);
2270                 } else if (os_strcmp(buf, "use_pae_group_addr") == 0) {
2271                         bss->use_pae_group_addr = atoi(pos);
2272                 } else if (os_strcmp(buf, "hw_mode") == 0) {
2273                         if (os_strcmp(pos, "a") == 0)
2274                                 conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
2275                         else if (os_strcmp(pos, "b") == 0)
2276                                 conf->hw_mode = HOSTAPD_MODE_IEEE80211B;
2277                         else if (os_strcmp(pos, "g") == 0)
2278                                 conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
2279                         else if (os_strcmp(pos, "ad") == 0)
2280                                 conf->hw_mode = HOSTAPD_MODE_IEEE80211AD;
2281                         else {
2282                                 wpa_printf(MSG_ERROR, "Line %d: unknown "
2283                                            "hw_mode '%s'", line, pos);
2284                                 errors++;
2285                         }
2286                 } else if (os_strcmp(buf, "wps_rf_bands") == 0) {
2287                         if (os_strcmp(pos, "a") == 0)
2288                                 bss->wps_rf_bands = WPS_RF_50GHZ;
2289                         else if (os_strcmp(pos, "g") == 0 ||
2290                                  os_strcmp(pos, "b") == 0)
2291                                 bss->wps_rf_bands = WPS_RF_24GHZ;
2292                         else if (os_strcmp(pos, "ag") == 0 ||
2293                                  os_strcmp(pos, "ga") == 0)
2294                                 bss->wps_rf_bands =
2295                                         WPS_RF_24GHZ | WPS_RF_50GHZ;
2296                         else {
2297                                 wpa_printf(MSG_ERROR, "Line %d: unknown "
2298                                            "wps_rf_band '%s'", line, pos);
2299                                 errors++;
2300                         }
2301                 } else if (os_strcmp(buf, "channel") == 0) {
2302                         conf->channel = atoi(pos);
2303                 } else if (os_strcmp(buf, "beacon_int") == 0) {
2304                         int val = atoi(pos);
2305                         /* MIB defines range as 1..65535, but very small values
2306                          * cause problems with the current implementation.
2307                          * Since it is unlikely that this small numbers are
2308                          * useful in real life scenarios, do not allow beacon
2309                          * period to be set below 15 TU. */
2310                         if (val < 15 || val > 65535) {
2311                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2312                                            "beacon_int %d (expected "
2313                                            "15..65535)", line, val);
2314                                 errors++;
2315                         } else
2316                                 conf->beacon_int = val;
2317                 } else if (os_strcmp(buf, "dtim_period") == 0) {
2318                         bss->dtim_period = atoi(pos);
2319                         if (bss->dtim_period < 1 || bss->dtim_period > 255) {
2320                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2321                                            "dtim_period %d",
2322                                            line, bss->dtim_period);
2323                                 errors++;
2324                         }
2325                 } else if (os_strcmp(buf, "rts_threshold") == 0) {
2326                         conf->rts_threshold = atoi(pos);
2327                         if (conf->rts_threshold < 0 ||
2328                             conf->rts_threshold > 2347) {
2329                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2330                                            "rts_threshold %d",
2331                                            line, conf->rts_threshold);
2332                                 errors++;
2333                         }
2334                 } else if (os_strcmp(buf, "fragm_threshold") == 0) {
2335                         conf->fragm_threshold = atoi(pos);
2336                         if (conf->fragm_threshold < 256 ||
2337                             conf->fragm_threshold > 2346) {
2338                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2339                                            "fragm_threshold %d",
2340                                            line, conf->fragm_threshold);
2341                                 errors++;
2342                         }
2343                 } else if (os_strcmp(buf, "send_probe_response") == 0) {
2344                         int val = atoi(pos);
2345                         if (val != 0 && val != 1) {
2346                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2347                                            "send_probe_response %d (expected "
2348                                            "0 or 1)", line, val);
2349                         } else
2350                                 conf->send_probe_response = val;
2351                 } else if (os_strcmp(buf, "supported_rates") == 0) {
2352                         if (hostapd_parse_rates(&conf->supported_rates, pos)) {
2353                                 wpa_printf(MSG_ERROR, "Line %d: invalid rate "
2354                                            "list", line);
2355                                 errors++;
2356                         }
2357                 } else if (os_strcmp(buf, "basic_rates") == 0) {
2358                         if (hostapd_parse_rates(&conf->basic_rates, pos)) {
2359                                 wpa_printf(MSG_ERROR, "Line %d: invalid rate "
2360                                            "list", line);
2361                                 errors++;
2362                         }
2363                 } else if (os_strcmp(buf, "preamble") == 0) {
2364                         if (atoi(pos))
2365                                 conf->preamble = SHORT_PREAMBLE;
2366                         else
2367                                 conf->preamble = LONG_PREAMBLE;
2368                 } else if (os_strcmp(buf, "ignore_broadcast_ssid") == 0) {
2369                         bss->ignore_broadcast_ssid = atoi(pos);
2370                 } else if (os_strcmp(buf, "wep_default_key") == 0) {
2371                         bss->ssid.wep.idx = atoi(pos);
2372                         if (bss->ssid.wep.idx > 3) {
2373                                 wpa_printf(MSG_ERROR, "Invalid "
2374                                            "wep_default_key index %d",
2375                                            bss->ssid.wep.idx);
2376                                 errors++;
2377                         }
2378                 } else if (os_strcmp(buf, "wep_key0") == 0 ||
2379                            os_strcmp(buf, "wep_key1") == 0 ||
2380                            os_strcmp(buf, "wep_key2") == 0 ||
2381                            os_strcmp(buf, "wep_key3") == 0) {
2382                         if (hostapd_config_read_wep(&bss->ssid.wep,
2383                                                     buf[7] - '0', pos)) {
2384                                 wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
2385                                            "key '%s'", line, buf);
2386                                 errors++;
2387                         }
2388 #ifndef CONFIG_NO_VLAN
2389                 } else if (os_strcmp(buf, "dynamic_vlan") == 0) {
2390                         bss->ssid.dynamic_vlan = atoi(pos);
2391                 } else if (os_strcmp(buf, "vlan_file") == 0) {
2392                         if (hostapd_config_read_vlan_file(bss, pos)) {
2393                                 wpa_printf(MSG_ERROR, "Line %d: failed to "
2394                                            "read VLAN file '%s'", line, pos);
2395                                 errors++;
2396                         }
2397                 } else if (os_strcmp(buf, "vlan_naming") == 0) {
2398                         bss->ssid.vlan_naming = atoi(pos);
2399                         if (bss->ssid.vlan_naming >= DYNAMIC_VLAN_NAMING_END ||
2400                             bss->ssid.vlan_naming < 0) {
2401                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2402                                            "naming scheme %d", line,
2403                                            bss->ssid.vlan_naming);
2404                                 errors++;
2405                         }
2406 #ifdef CONFIG_FULL_DYNAMIC_VLAN
2407                 } else if (os_strcmp(buf, "vlan_tagged_interface") == 0) {
2408                         bss->ssid.vlan_tagged_interface = os_strdup(pos);
2409 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
2410 #endif /* CONFIG_NO_VLAN */
2411                 } else if (os_strcmp(buf, "ap_table_max_size") == 0) {
2412                         conf->ap_table_max_size = atoi(pos);
2413                 } else if (os_strcmp(buf, "ap_table_expiration_time") == 0) {
2414                         conf->ap_table_expiration_time = atoi(pos);
2415                 } else if (os_strncmp(buf, "tx_queue_", 9) == 0) {
2416                         if (hostapd_config_tx_queue(conf, buf, pos)) {
2417                                 wpa_printf(MSG_ERROR, "Line %d: invalid TX "
2418                                            "queue item", line);
2419                                 errors++;
2420                         }
2421                 } else if (os_strcmp(buf, "wme_enabled") == 0 ||
2422                            os_strcmp(buf, "wmm_enabled") == 0) {
2423                         bss->wmm_enabled = atoi(pos);
2424                 } else if (os_strcmp(buf, "uapsd_advertisement_enabled") == 0) {
2425                         bss->wmm_uapsd = atoi(pos);
2426                 } else if (os_strncmp(buf, "wme_ac_", 7) == 0 ||
2427                            os_strncmp(buf, "wmm_ac_", 7) == 0) {
2428                         if (hostapd_config_wmm_ac(conf->wmm_ac_params, buf,
2429                                                   pos)) {
2430                                 wpa_printf(MSG_ERROR, "Line %d: invalid WMM "
2431                                            "ac item", line);
2432                                 errors++;
2433                         }
2434                 } else if (os_strcmp(buf, "bss") == 0) {
2435                         if (hostapd_config_bss(conf, pos)) {
2436                                 wpa_printf(MSG_ERROR, "Line %d: invalid bss "
2437                                            "item", line);
2438                                 errors++;
2439                         }
2440                 } else if (os_strcmp(buf, "bssid") == 0) {
2441                         if (hwaddr_aton(pos, bss->bssid)) {
2442                                 wpa_printf(MSG_ERROR, "Line %d: invalid bssid "
2443                                            "item", line);
2444                                 errors++;
2445                         }
2446 #ifdef CONFIG_IEEE80211W
2447                 } else if (os_strcmp(buf, "ieee80211w") == 0) {
2448                         bss->ieee80211w = atoi(pos);
2449                 } else if (os_strcmp(buf, "assoc_sa_query_max_timeout") == 0) {
2450                         bss->assoc_sa_query_max_timeout = atoi(pos);
2451                         if (bss->assoc_sa_query_max_timeout == 0) {
2452                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2453                                            "assoc_sa_query_max_timeout", line);
2454                                 errors++;
2455                         }
2456                 } else if (os_strcmp(buf, "assoc_sa_query_retry_timeout") == 0)
2457                 {
2458                         bss->assoc_sa_query_retry_timeout = atoi(pos);
2459                         if (bss->assoc_sa_query_retry_timeout == 0) {
2460                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2461                                            "assoc_sa_query_retry_timeout",
2462                                            line);
2463                                 errors++;
2464                         }
2465 #endif /* CONFIG_IEEE80211W */
2466 #ifdef CONFIG_IEEE80211N
2467                 } else if (os_strcmp(buf, "ieee80211n") == 0) {
2468                         conf->ieee80211n = atoi(pos);
2469                 } else if (os_strcmp(buf, "ht_capab") == 0) {
2470                         if (hostapd_config_ht_capab(conf, pos) < 0) {
2471                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2472                                            "ht_capab", line);
2473                                 errors++;
2474                         }
2475                 } else if (os_strcmp(buf, "require_ht") == 0) {
2476                         conf->require_ht = atoi(pos);
2477 #endif /* CONFIG_IEEE80211N */
2478 #ifdef CONFIG_IEEE80211AC
2479                 } else if (os_strcmp(buf, "ieee80211ac") == 0) {
2480                         conf->ieee80211ac = atoi(pos);
2481                 } else if (os_strcmp(buf, "vht_capab") == 0) {
2482                         if (hostapd_config_vht_capab(conf, pos) < 0) {
2483                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2484                                            "vht_capab", line);
2485                                 errors++;
2486                         }
2487                 } else if (os_strcmp(buf, "require_vht") == 0) {
2488                         conf->require_vht = atoi(pos);
2489                 } else if (os_strcmp(buf, "vht_oper_chwidth") == 0) {
2490                         conf->vht_oper_chwidth = atoi(pos);
2491                 } else if (os_strcmp(buf, "vht_oper_centr_freq_seg0_idx") == 0)
2492                 {
2493                         conf->vht_oper_centr_freq_seg0_idx = atoi(pos);
2494                 } else if (os_strcmp(buf, "vht_oper_centr_freq_seg1_idx") == 0)
2495                 {
2496                         conf->vht_oper_centr_freq_seg1_idx = atoi(pos);
2497 #endif /* CONFIG_IEEE80211AC */
2498                 } else if (os_strcmp(buf, "max_listen_interval") == 0) {
2499                         bss->max_listen_interval = atoi(pos);
2500                 } else if (os_strcmp(buf, "disable_pmksa_caching") == 0) {
2501                         bss->disable_pmksa_caching = atoi(pos);
2502                 } else if (os_strcmp(buf, "okc") == 0) {
2503                         bss->okc = atoi(pos);
2504 #ifdef CONFIG_WPS
2505                 } else if (os_strcmp(buf, "wps_state") == 0) {
2506                         bss->wps_state = atoi(pos);
2507                         if (bss->wps_state < 0 || bss->wps_state > 2) {
2508                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2509                                            "wps_state", line);
2510                                 errors++;
2511                         }
2512                 } else if (os_strcmp(buf, "ap_setup_locked") == 0) {
2513                         bss->ap_setup_locked = atoi(pos);
2514                 } else if (os_strcmp(buf, "uuid") == 0) {
2515                         if (uuid_str2bin(pos, bss->uuid)) {
2516                                 wpa_printf(MSG_ERROR, "Line %d: invalid UUID",
2517                                            line);
2518                                 errors++;
2519                         }
2520                 } else if (os_strcmp(buf, "wps_pin_requests") == 0) {
2521                         os_free(bss->wps_pin_requests);
2522                         bss->wps_pin_requests = os_strdup(pos);
2523                 } else if (os_strcmp(buf, "device_name") == 0) {
2524                         if (os_strlen(pos) > 32) {
2525                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
2526                                            "device_name", line);
2527                                 errors++;
2528                         }
2529                         os_free(bss->device_name);
2530                         bss->device_name = os_strdup(pos);
2531                 } else if (os_strcmp(buf, "manufacturer") == 0) {
2532                         if (os_strlen(pos) > 64) {
2533                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
2534                                            "manufacturer", line);
2535                                 errors++;
2536                         }
2537                         os_free(bss->manufacturer);
2538                         bss->manufacturer = os_strdup(pos);
2539                 } else if (os_strcmp(buf, "model_name") == 0) {
2540                         if (os_strlen(pos) > 32) {
2541                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
2542                                            "model_name", line);
2543                                 errors++;
2544                         }
2545                         os_free(bss->model_name);
2546                         bss->model_name = os_strdup(pos);
2547                 } else if (os_strcmp(buf, "model_number") == 0) {
2548                         if (os_strlen(pos) > 32) {
2549                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
2550                                            "model_number", line);
2551                                 errors++;
2552                         }
2553                         os_free(bss->model_number);
2554                         bss->model_number = os_strdup(pos);
2555                 } else if (os_strcmp(buf, "serial_number") == 0) {
2556                         if (os_strlen(pos) > 32) {
2557                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
2558                                            "serial_number", line);
2559                                 errors++;
2560                         }
2561                         os_free(bss->serial_number);
2562                         bss->serial_number = os_strdup(pos);
2563                 } else if (os_strcmp(buf, "device_type") == 0) {
2564                         if (wps_dev_type_str2bin(pos, bss->device_type))
2565                                 errors++;
2566                 } else if (os_strcmp(buf, "config_methods") == 0) {
2567                         os_free(bss->config_methods);
2568                         bss->config_methods = os_strdup(pos);
2569                 } else if (os_strcmp(buf, "os_version") == 0) {
2570                         if (hexstr2bin(pos, bss->os_version, 4)) {
2571                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2572                                            "os_version", line);
2573                                 errors++;
2574                         }
2575                 } else if (os_strcmp(buf, "ap_pin") == 0) {
2576                         os_free(bss->ap_pin);
2577                         bss->ap_pin = os_strdup(pos);
2578                 } else if (os_strcmp(buf, "skip_cred_build") == 0) {
2579                         bss->skip_cred_build = atoi(pos);
2580                 } else if (os_strcmp(buf, "extra_cred") == 0) {
2581                         os_free(bss->extra_cred);
2582                         bss->extra_cred =
2583                                 (u8 *) os_readfile(pos, &bss->extra_cred_len);
2584                         if (bss->extra_cred == NULL) {
2585                                 wpa_printf(MSG_ERROR, "Line %d: could not "
2586                                            "read Credentials from '%s'",
2587                                            line, pos);
2588                                 errors++;
2589                         }
2590                 } else if (os_strcmp(buf, "wps_cred_processing") == 0) {
2591                         bss->wps_cred_processing = atoi(pos);
2592                 } else if (os_strcmp(buf, "ap_settings") == 0) {
2593                         os_free(bss->ap_settings);
2594                         bss->ap_settings =
2595                                 (u8 *) os_readfile(pos, &bss->ap_settings_len);
2596                         if (bss->ap_settings == NULL) {
2597                                 wpa_printf(MSG_ERROR, "Line %d: could not "
2598                                            "read AP Settings from '%s'",
2599                                            line, pos);
2600                                 errors++;
2601                         }
2602                 } else if (os_strcmp(buf, "upnp_iface") == 0) {
2603                         bss->upnp_iface = os_strdup(pos);
2604                 } else if (os_strcmp(buf, "friendly_name") == 0) {
2605                         os_free(bss->friendly_name);
2606                         bss->friendly_name = os_strdup(pos);
2607                 } else if (os_strcmp(buf, "manufacturer_url") == 0) {
2608                         os_free(bss->manufacturer_url);
2609                         bss->manufacturer_url = os_strdup(pos);
2610                 } else if (os_strcmp(buf, "model_description") == 0) {
2611                         os_free(bss->model_description);
2612                         bss->model_description = os_strdup(pos);
2613                 } else if (os_strcmp(buf, "model_url") == 0) {
2614                         os_free(bss->model_url);
2615                         bss->model_url = os_strdup(pos);
2616                 } else if (os_strcmp(buf, "upc") == 0) {
2617                         os_free(bss->upc);
2618                         bss->upc = os_strdup(pos);
2619                 } else if (os_strcmp(buf, "pbc_in_m1") == 0) {
2620                         bss->pbc_in_m1 = atoi(pos);
2621 #ifdef CONFIG_WPS_NFC
2622                 } else if (os_strcmp(buf, "wps_nfc_dev_pw_id") == 0) {
2623                         bss->wps_nfc_dev_pw_id = atoi(pos);
2624                         if (bss->wps_nfc_dev_pw_id < 0x10 ||
2625                             bss->wps_nfc_dev_pw_id > 0xffff) {
2626                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2627                                            "wps_nfc_dev_pw_id value", line);
2628                                 errors++;
2629                         }
2630                         bss->wps_nfc_pw_from_config = 1;
2631                 } else if (os_strcmp(buf, "wps_nfc_dh_pubkey") == 0) {
2632                         wpabuf_free(bss->wps_nfc_dh_pubkey);
2633                         bss->wps_nfc_dh_pubkey = hostapd_parse_bin(pos);
2634                         bss->wps_nfc_pw_from_config = 1;
2635                 } else if (os_strcmp(buf, "wps_nfc_dh_privkey") == 0) {
2636                         wpabuf_free(bss->wps_nfc_dh_privkey);
2637                         bss->wps_nfc_dh_privkey = hostapd_parse_bin(pos);
2638                         bss->wps_nfc_pw_from_config = 1;
2639                 } else if (os_strcmp(buf, "wps_nfc_dev_pw") == 0) {
2640                         wpabuf_free(bss->wps_nfc_dev_pw);
2641                         bss->wps_nfc_dev_pw = hostapd_parse_bin(pos);
2642                         bss->wps_nfc_pw_from_config = 1;
2643 #endif /* CONFIG_WPS_NFC */
2644 #endif /* CONFIG_WPS */
2645 #ifdef CONFIG_P2P_MANAGER
2646                 } else if (os_strcmp(buf, "manage_p2p") == 0) {
2647                         int manage = atoi(pos);
2648                         if (manage)
2649                                 bss->p2p |= P2P_MANAGE;
2650                         else
2651                                 bss->p2p &= ~P2P_MANAGE;
2652                 } else if (os_strcmp(buf, "allow_cross_connection") == 0) {
2653                         if (atoi(pos))
2654                                 bss->p2p |= P2P_ALLOW_CROSS_CONNECTION;
2655                         else
2656                                 bss->p2p &= ~P2P_ALLOW_CROSS_CONNECTION;
2657 #endif /* CONFIG_P2P_MANAGER */
2658                 } else if (os_strcmp(buf, "disassoc_low_ack") == 0) {
2659                         bss->disassoc_low_ack = atoi(pos);
2660                 } else if (os_strcmp(buf, "tdls_prohibit") == 0) {
2661                         int val = atoi(pos);
2662                         if (val)
2663                                 bss->tdls |= TDLS_PROHIBIT;
2664                         else
2665                                 bss->tdls &= ~TDLS_PROHIBIT;
2666                 } else if (os_strcmp(buf, "tdls_prohibit_chan_switch") == 0) {
2667                         int val = atoi(pos);
2668                         if (val)
2669                                 bss->tdls |= TDLS_PROHIBIT_CHAN_SWITCH;
2670                         else
2671                                 bss->tdls &= ~TDLS_PROHIBIT_CHAN_SWITCH;
2672 #ifdef CONFIG_RSN_TESTING
2673                 } else if (os_strcmp(buf, "rsn_testing") == 0) {
2674                         extern int rsn_testing;
2675                         rsn_testing = atoi(pos);
2676 #endif /* CONFIG_RSN_TESTING */
2677                 } else if (os_strcmp(buf, "time_advertisement") == 0) {
2678                         bss->time_advertisement = atoi(pos);
2679                 } else if (os_strcmp(buf, "time_zone") == 0) {
2680                         size_t tz_len = os_strlen(pos);
2681                         if (tz_len < 4 || tz_len > 255) {
2682                                 wpa_printf(MSG_DEBUG, "Line %d: invalid "
2683                                            "time_zone", line);
2684                                 errors++;
2685                                 return errors;
2686                         }
2687                         os_free(bss->time_zone);
2688                         bss->time_zone = os_strdup(pos);
2689                         if (bss->time_zone == NULL)
2690                                 errors++;
2691 #ifdef CONFIG_WNM
2692                 } else if (os_strcmp(buf, "wnm_sleep_mode") == 0) {
2693                         bss->wnm_sleep_mode = atoi(pos);
2694                 } else if (os_strcmp(buf, "bss_transition") == 0) {
2695                         bss->bss_transition = atoi(pos);
2696 #endif /* CONFIG_WNM */
2697 #ifdef CONFIG_INTERWORKING
2698                 } else if (os_strcmp(buf, "interworking") == 0) {
2699                         bss->interworking = atoi(pos);
2700                 } else if (os_strcmp(buf, "access_network_type") == 0) {
2701                         bss->access_network_type = atoi(pos);
2702                         if (bss->access_network_type < 0 ||
2703                             bss->access_network_type > 15) {
2704                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2705                                            "access_network_type", line);
2706                                 errors++;
2707                         }
2708                 } else if (os_strcmp(buf, "internet") == 0) {
2709                         bss->internet = atoi(pos);
2710                 } else if (os_strcmp(buf, "asra") == 0) {
2711                         bss->asra = atoi(pos);
2712                 } else if (os_strcmp(buf, "esr") == 0) {
2713                         bss->esr = atoi(pos);
2714                 } else if (os_strcmp(buf, "uesa") == 0) {
2715                         bss->uesa = atoi(pos);
2716                 } else if (os_strcmp(buf, "venue_group") == 0) {
2717                         bss->venue_group = atoi(pos);
2718                         bss->venue_info_set = 1;
2719                 } else if (os_strcmp(buf, "venue_type") == 0) {
2720                         bss->venue_type = atoi(pos);
2721                         bss->venue_info_set = 1;
2722                 } else if (os_strcmp(buf, "hessid") == 0) {
2723                         if (hwaddr_aton(pos, bss->hessid)) {
2724                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2725                                            "hessid", line);
2726                                 errors++;
2727                         }
2728                 } else if (os_strcmp(buf, "roaming_consortium") == 0) {
2729                         if (parse_roaming_consortium(bss, pos, line) < 0)
2730                                 errors++;
2731                 } else if (os_strcmp(buf, "venue_name") == 0) {
2732                         if (parse_venue_name(bss, pos, line) < 0)
2733                                 errors++;
2734                 } else if (os_strcmp(buf, "network_auth_type") == 0) {
2735                         u8 auth_type;
2736                         u16 redirect_url_len;
2737                         if (hexstr2bin(pos, &auth_type, 1)) {
2738                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2739                                            "network_auth_type '%s'",
2740                                            line, pos);
2741                                 errors++;
2742                                 return errors;
2743                         }
2744                         if (auth_type == 0 || auth_type == 2)
2745                                 redirect_url_len = os_strlen(pos + 2);
2746                         else
2747                                 redirect_url_len = 0;
2748                         os_free(bss->network_auth_type);
2749                         bss->network_auth_type =
2750                                 os_malloc(redirect_url_len + 3 + 1);
2751                         if (bss->network_auth_type == NULL) {
2752                                 errors++;
2753                                 return errors;
2754                         }
2755                         *bss->network_auth_type = auth_type;
2756                         WPA_PUT_LE16(bss->network_auth_type + 1,
2757                                      redirect_url_len);
2758                         if (redirect_url_len)
2759                                 os_memcpy(bss->network_auth_type + 3,
2760                                           pos + 2, redirect_url_len);
2761                         bss->network_auth_type_len = 3 + redirect_url_len;
2762                 } else if (os_strcmp(buf, "ipaddr_type_availability") == 0) {
2763                         if (hexstr2bin(pos, &bss->ipaddr_type_availability, 1))
2764                         {
2765                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2766                                            "ipaddr_type_availability '%s'",
2767                                            line, pos);
2768                                 bss->ipaddr_type_configured = 0;
2769                                 errors++;
2770                                 return errors;
2771                         }
2772                         bss->ipaddr_type_configured = 1;
2773                 } else if (os_strcmp(buf, "domain_name") == 0) {
2774                         int j, num_domains, domain_len, domain_list_len = 0;
2775                         char *tok_start, *tok_prev;
2776                         u8 *domain_list, *domain_ptr;
2777
2778                         domain_list_len = os_strlen(pos) + 1;
2779                         domain_list = os_malloc(domain_list_len);
2780                         if (domain_list == NULL) {
2781                                 errors++;
2782                                 return errors;
2783                         }
2784
2785                         domain_ptr = domain_list;
2786                         tok_prev = pos;
2787                         num_domains = 1;
2788                         while ((tok_prev = os_strchr(tok_prev, ','))) {
2789                                 num_domains++;
2790                                 tok_prev++;
2791                         }
2792                         tok_prev = pos;
2793                         for (j = 0; j < num_domains; j++) {
2794                                 tok_start = os_strchr(tok_prev, ',');
2795                                 if (tok_start) {
2796                                         domain_len = tok_start - tok_prev;
2797                                         *domain_ptr = domain_len;
2798                                         os_memcpy(domain_ptr + 1, tok_prev,
2799                                                   domain_len);
2800                                         domain_ptr += domain_len + 1;
2801                                         tok_prev = ++tok_start;
2802                                 } else {
2803                                         domain_len = os_strlen(tok_prev);
2804                                         *domain_ptr = domain_len;
2805                                         os_memcpy(domain_ptr + 1, tok_prev,
2806                                                   domain_len);
2807                                         domain_ptr += domain_len + 1;
2808                                 }
2809                         }
2810
2811                         os_free(bss->domain_name);
2812                         bss->domain_name = domain_list;
2813                         bss->domain_name_len = domain_list_len;
2814                 } else if (os_strcmp(buf, "anqp_3gpp_cell_net") == 0) {
2815                         if (parse_3gpp_cell_net(bss, pos, line) < 0)
2816                                 errors++;
2817                 } else if (os_strcmp(buf, "nai_realm") == 0) {
2818                         if (parse_nai_realm(bss, pos, line) < 0)
2819                                 errors++;
2820                 } else if (os_strcmp(buf, "gas_frag_limit") == 0) {
2821                         bss->gas_frag_limit = atoi(pos);
2822                 } else if (os_strcmp(buf, "gas_comeback_delay") == 0) {
2823                         bss->gas_comeback_delay = atoi(pos);
2824 #endif /* CONFIG_INTERWORKING */
2825 #ifdef CONFIG_RADIUS_TEST
2826                 } else if (os_strcmp(buf, "dump_msk_file") == 0) {
2827                         os_free(bss->dump_msk_file);
2828                         bss->dump_msk_file = os_strdup(pos);
2829 #endif /* CONFIG_RADIUS_TEST */
2830 #ifdef CONFIG_HS20
2831                 } else if (os_strcmp(buf, "hs20") == 0) {
2832                         bss->hs20 = atoi(pos);
2833                 } else if (os_strcmp(buf, "disable_dgaf") == 0) {
2834                         bss->disable_dgaf = atoi(pos);
2835                 } else if (os_strcmp(buf, "hs20_oper_friendly_name") == 0) {
2836                         if (hs20_parse_oper_friendly_name(bss, pos, line) < 0)
2837                                 errors++;
2838                 } else if (os_strcmp(buf, "hs20_wan_metrics") == 0) {
2839                         if (hs20_parse_wan_metrics(bss, pos, line) < 0) {
2840                                 errors++;
2841                                 return errors;
2842                         }
2843                 } else if (os_strcmp(buf, "hs20_conn_capab") == 0) {
2844                         if (hs20_parse_conn_capab(bss, pos, line) < 0) {
2845                                 errors++;
2846                                 return errors;
2847                         }
2848                 } else if (os_strcmp(buf, "hs20_operating_class") == 0) {
2849                         u8 *oper_class;
2850                         size_t oper_class_len;
2851                         oper_class_len = os_strlen(pos);
2852                         if (oper_class_len < 2 || (oper_class_len & 0x01)) {
2853                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2854                                            "hs20_operating_class '%s'",
2855                                            line, pos);
2856                                 errors++;
2857                                 return errors;
2858                         }
2859                         oper_class_len /= 2;
2860                         oper_class = os_malloc(oper_class_len);
2861                         if (oper_class == NULL) {
2862                                 errors++;
2863                                 return errors;
2864                         }
2865                         if (hexstr2bin(pos, oper_class, oper_class_len)) {
2866                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2867                                            "hs20_operating_class '%s'",
2868                                            line, pos);
2869                                 os_free(oper_class);
2870                                 errors++;
2871                                 return errors;
2872                         }
2873                         os_free(bss->hs20_operating_class);
2874                         bss->hs20_operating_class = oper_class;
2875                         bss->hs20_operating_class_len = oper_class_len;
2876 #endif /* CONFIG_HS20 */
2877                 } else if (os_strcmp(buf, "vendor_elements") == 0) {
2878                         struct wpabuf *elems;
2879                         size_t len = os_strlen(pos);
2880                         if (len & 0x01) {
2881                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2882                                            "vendor_elements '%s'", line, pos);
2883                                 return 1;
2884                         }
2885                         len /= 2;
2886                         if (len == 0) {
2887                                 wpabuf_free(bss->vendor_elements);
2888                                 bss->vendor_elements = NULL;
2889                                 return 0;
2890                         }
2891
2892                         elems = wpabuf_alloc(len);
2893                         if (elems == NULL)
2894                                 return 1;
2895
2896                         if (hexstr2bin(pos, wpabuf_put(elems, len), len)) {
2897                                 wpabuf_free(elems);
2898                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2899                                            "vendor_elements '%s'", line, pos);
2900                                 return 1;
2901                         }
2902
2903                         wpabuf_free(bss->vendor_elements);
2904                         bss->vendor_elements = elems;
2905                 } else if (os_strcmp(buf, "sae_anti_clogging_threshold") == 0) {
2906                         bss->sae_anti_clogging_threshold = atoi(pos);
2907                 } else if (os_strcmp(buf, "sae_groups") == 0) {
2908                         if (hostapd_parse_rates(&bss->sae_groups, pos)) {
2909                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2910                                            "sae_groups value '%s'", line, pos);
2911                                 return 1;
2912                         }
2913                 } else {
2914                         wpa_printf(MSG_ERROR, "Line %d: unknown configuration "
2915                                    "item '%s'", line, buf);
2916                         errors++;
2917                 }
2918         }
2919
2920         return errors;
2921 }
2922
2923
2924 static void hostapd_set_security_params(struct hostapd_bss_config *bss)
2925 {
2926         if (bss->individual_wep_key_len == 0) {
2927                 /* individual keys are not use; can use key idx0 for
2928                  * broadcast keys */
2929                 bss->broadcast_key_idx_min = 0;
2930         }
2931
2932         if ((bss->wpa & 2) && bss->rsn_pairwise == 0)
2933                 bss->rsn_pairwise = bss->wpa_pairwise;
2934         bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise,
2935                                                     bss->rsn_pairwise);
2936
2937         bss->radius->auth_server = bss->radius->auth_servers;
2938         bss->radius->acct_server = bss->radius->acct_servers;
2939
2940         if (bss->wpa && bss->ieee802_1x) {
2941                 bss->ssid.security_policy = SECURITY_WPA;
2942         } else if (bss->wpa) {
2943                 bss->ssid.security_policy = SECURITY_WPA_PSK;
2944         } else if (bss->ieee802_1x) {
2945                 int cipher = WPA_CIPHER_NONE;
2946                 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
2947                 bss->ssid.wep.default_len = bss->default_wep_key_len;
2948                 if (bss->default_wep_key_len)
2949                         cipher = bss->default_wep_key_len >= 13 ?
2950                                 WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
2951                 bss->wpa_group = cipher;
2952                 bss->wpa_pairwise = cipher;
2953                 bss->rsn_pairwise = cipher;
2954         } else if (bss->ssid.wep.keys_set) {
2955                 int cipher = WPA_CIPHER_WEP40;
2956                 if (bss->ssid.wep.len[0] >= 13)
2957                         cipher = WPA_CIPHER_WEP104;
2958                 bss->ssid.security_policy = SECURITY_STATIC_WEP;
2959                 bss->wpa_group = cipher;
2960                 bss->wpa_pairwise = cipher;
2961                 bss->rsn_pairwise = cipher;
2962         } else {
2963                 bss->ssid.security_policy = SECURITY_PLAINTEXT;
2964                 bss->wpa_group = WPA_CIPHER_NONE;
2965                 bss->wpa_pairwise = WPA_CIPHER_NONE;
2966                 bss->rsn_pairwise = WPA_CIPHER_NONE;
2967         }
2968 }
2969
2970
2971 /**
2972  * hostapd_config_read - Read and parse a configuration file
2973  * @fname: Configuration file name (including path, if needed)
2974  * Returns: Allocated configuration data structure
2975  */
2976 struct hostapd_config * hostapd_config_read(const char *fname)
2977 {
2978         struct hostapd_config *conf;
2979         struct hostapd_bss_config *bss;
2980         FILE *f;
2981         char buf[512], *pos;
2982         int line = 0;
2983         int errors = 0;
2984         size_t i;
2985
2986         f = fopen(fname, "r");
2987         if (f == NULL) {
2988                 wpa_printf(MSG_ERROR, "Could not open configuration file '%s' "
2989                            "for reading.", fname);
2990                 return NULL;
2991         }
2992
2993         conf = hostapd_config_defaults();
2994         if (conf == NULL) {
2995                 fclose(f);
2996                 return NULL;
2997         }
2998
2999         /* set default driver based on configuration */
3000         conf->driver = wpa_drivers[0];
3001         if (conf->driver == NULL) {
3002                 wpa_printf(MSG_ERROR, "No driver wrappers registered!");
3003                 hostapd_config_free(conf);
3004                 fclose(f);
3005                 return NULL;
3006         }
3007
3008         bss = conf->last_bss = conf->bss;
3009
3010         while (fgets(buf, sizeof(buf), f)) {
3011                 bss = conf->last_bss;
3012                 line++;
3013
3014                 if (buf[0] == '#')
3015                         continue;
3016                 pos = buf;
3017                 while (*pos != '\0') {
3018                         if (*pos == '\n') {
3019                                 *pos = '\0';
3020                                 break;
3021                         }
3022                         pos++;
3023                 }
3024                 if (buf[0] == '\0')
3025                         continue;
3026
3027                 pos = os_strchr(buf, '=');
3028                 if (pos == NULL) {
3029                         wpa_printf(MSG_ERROR, "Line %d: invalid line '%s'",
3030                                    line, buf);
3031                         errors++;
3032                         continue;
3033                 }
3034                 *pos = '\0';
3035                 pos++;
3036                 errors += hostapd_config_fill(conf, bss, buf, pos, line);
3037         }
3038
3039         fclose(f);
3040
3041         for (i = 0; i < conf->num_bss; i++)
3042                 hostapd_set_security_params(&conf->bss[i]);
3043
3044         if (hostapd_config_check(conf))
3045                 errors++;
3046
3047 #ifndef WPA_IGNORE_CONFIG_ERRORS
3048         if (errors) {
3049                 wpa_printf(MSG_ERROR, "%d errors found in configuration file "
3050                            "'%s'", errors, fname);
3051                 hostapd_config_free(conf);
3052                 conf = NULL;
3053         }
3054 #endif /* WPA_IGNORE_CONFIG_ERRORS */
3055
3056         return conf;
3057 }
3058
3059
3060 int hostapd_set_iface(struct hostapd_config *conf,
3061                       struct hostapd_bss_config *bss, char *field, char *value)
3062 {
3063         int errors;
3064         size_t i;
3065
3066         errors = hostapd_config_fill(conf, bss, field, value, 0);
3067         if (errors) {
3068                 wpa_printf(MSG_INFO, "Failed to set configuration field '%s' "
3069                            "to value '%s'", field, value);
3070                 return -1;
3071         }
3072
3073         for (i = 0; i < conf->num_bss; i++)
3074                 hostapd_set_security_params(&conf->bss[i]);
3075
3076         if (hostapd_config_check(conf)) {
3077                 wpa_printf(MSG_ERROR, "Configuration check failed");
3078                 return -1;
3079         }
3080
3081         return 0;
3082 }