hostapd/config_file.c

   1 /*
   2  * hostapd / Configuration file parser
   3  * Copyright (c) 2003-2014, 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 #ifndef CONFIG_NO_RADIUS
  26 #ifdef EAP_SERVER
  27 static struct hostapd_radius_attr *
  28 hostapd_parse_radius_attr(const char *value);
  29 #endif /* EAP_SERVER */
  30 #endif /* CONFIG_NO_RADIUS */
  31
  32
  33 #ifndef CONFIG_NO_VLAN
  34 static int hostapd_config_read_vlan_file(struct hostapd_bss_config *bss,
  35                                          const char *fname)
  36 {
  37         FILE *f;
  38         char buf[128], *pos, *pos2;
  39         int line = 0, vlan_id;
  40         struct hostapd_vlan *vlan;
  41
  42         f = fopen(fname, "r");
  43         if (!f) {
  44                 wpa_printf(MSG_ERROR, "VLAN file '%s' not readable.", fname);
  45                 return -1;
  46         }
  47
  48         while (fgets(buf, sizeof(buf), f)) {
  49                 line++;
  50
  51                 if (buf[0] == '#')
  52                         continue;
  53                 pos = buf;
  54                 while (*pos != '\0') {
  55                         if (*pos == '\n') {
  56                                 *pos = '\0';
  57                                 break;
  58                         }
  59                         pos++;
  60                 }
  61                 if (buf[0] == '\0')
  62                         continue;
  63
  64                 if (buf[0] == '*') {
  65                         vlan_id = VLAN_ID_WILDCARD;
  66                         pos = buf + 1;
  67                 } else {
  68                         vlan_id = strtol(buf, &pos, 10);
  69                         if (buf == pos || vlan_id < 1 ||
  70                             vlan_id > MAX_VLAN_ID) {
  71                                 wpa_printf(MSG_ERROR, "Invalid VLAN ID at "
  72                                            "line %d in '%s'", line, fname);
  73                                 fclose(f);
  74                                 return -1;
  75                         }
  76                 }
  77
  78                 while (*pos == ' ' || *pos == '\t')
  79                         pos++;
  80                 pos2 = pos;
  81                 while (*pos2 != ' ' && *pos2 != '\t' && *pos2 != '\0')
  82                         pos2++;
  83                 *pos2 = '\0';
  84                 if (*pos == '\0' || os_strlen(pos) > IFNAMSIZ) {
  85                         wpa_printf(MSG_ERROR, "Invalid VLAN ifname at line %d "
  86                                    "in '%s'", line, fname);
  87                         fclose(f);
  88                         return -1;
  89                 }
  90
  91                 vlan = os_zalloc(sizeof(*vlan));
  92                 if (vlan == NULL) {
  93                         wpa_printf(MSG_ERROR, "Out of memory while reading "
  94                                    "VLAN interfaces from '%s'", fname);
  95                         fclose(f);
  96                         return -1;
  97                 }
  98
  99                 vlan->vlan_id = vlan_id;
 100                 os_strlcpy(vlan->ifname, pos, sizeof(vlan->ifname));
 101                 vlan->next = bss->vlan;
 102                 bss->vlan = vlan;
 103         }
 104
 105         fclose(f);
 106
 107         return 0;
 108 }
 109 #endif /* CONFIG_NO_VLAN */
 110
 111
 112 static int hostapd_acl_comp(const void *a, const void *b)
 113 {
 114         const struct mac_acl_entry *aa = a;
 115         const struct mac_acl_entry *bb = b;
 116         return os_memcmp(aa->addr, bb->addr, sizeof(macaddr));
 117 }
 118
 119
 120 static int hostapd_config_read_maclist(const char *fname,
 121                                        struct mac_acl_entry **acl, int *num)
 122 {
 123         FILE *f;
 124         char buf[128], *pos;
 125         int line = 0;
 126         u8 addr[ETH_ALEN];
 127         struct mac_acl_entry *newacl;
 128         int vlan_id;
 129
 130         if (!fname)
 131                 return 0;
 132
 133         f = fopen(fname, "r");
 134         if (!f) {
 135                 wpa_printf(MSG_ERROR, "MAC list file '%s' not found.", fname);
 136                 return -1;
 137         }
 138
 139         while (fgets(buf, sizeof(buf), f)) {
 140                 int i, rem = 0;
 141
 142                 line++;
 143
 144                 if (buf[0] == '#')
 145                         continue;
 146                 pos = buf;
 147                 while (*pos != '\0') {
 148                         if (*pos == '\n') {
 149                                 *pos = '\0';
 150                                 break;
 151                         }
 152                         pos++;
 153                 }
 154                 if (buf[0] == '\0')
 155                         continue;
 156                 pos = buf;
 157                 if (buf[0] == '-') {
 158                         rem = 1;
 159                         pos++;
 160                 }
 161
 162                 if (hwaddr_aton(pos, addr)) {
 163                         wpa_printf(MSG_ERROR, "Invalid MAC address '%s' at "
 164                                    "line %d in '%s'", pos, line, fname);
 165                         fclose(f);
 166                         return -1;
 167                 }
 168
 169                 if (rem) {
 170                         i = 0;
 171                         while (i < *num) {
 172                                 if (os_memcmp((*acl)[i].addr, addr, ETH_ALEN) ==
 173                                     0) {
 174                                         os_remove_in_array(*acl, *num,
 175                                                            sizeof(**acl), i);
 176                                         (*num)--;
 177                                 } else
 178                                         i++;
 179                         }
 180                         continue;
 181                 }
 182                 vlan_id = 0;
 183                 pos = buf;
 184                 while (*pos != '\0' && *pos != ' ' && *pos != '\t')
 185                         pos++;
 186                 while (*pos == ' ' || *pos == '\t')
 187                         pos++;
 188                 if (*pos != '\0')
 189                         vlan_id = atoi(pos);
 190
 191                 newacl = os_realloc_array(*acl, *num + 1, sizeof(**acl));
 192                 if (newacl == NULL) {
 193                         wpa_printf(MSG_ERROR, "MAC list reallocation failed");
 194                         fclose(f);
 195                         return -1;
 196                 }
 197
 198                 *acl = newacl;
 199                 os_memcpy((*acl)[*num].addr, addr, ETH_ALEN);
 200                 (*acl)[*num].vlan_id = vlan_id;
 201                 (*num)++;
 202         }
 203
 204         fclose(f);
 205
 206         qsort(*acl, *num, sizeof(**acl), hostapd_acl_comp);
 207
 208         return 0;
 209 }
 210
 211
 212 #ifdef EAP_SERVER
 213 static int hostapd_config_read_eap_user(const char *fname,
 214                                         struct hostapd_bss_config *conf)
 215 {
 216         FILE *f;
 217         char buf[512], *pos, *start, *pos2;
 218         int line = 0, ret = 0, num_methods;
 219         struct hostapd_eap_user *user = NULL, *tail = NULL;
 220
 221         if (!fname)
 222                 return 0;
 223
 224         if (os_strncmp(fname, "sqlite:", 7) == 0) {
 225                 os_free(conf->eap_user_sqlite);
 226                 conf->eap_user_sqlite = os_strdup(fname + 7);
 227                 return 0;
 228         }
 229
 230         f = fopen(fname, "r");
 231         if (!f) {
 232                 wpa_printf(MSG_ERROR, "EAP user file '%s' not found.", fname);
 233                 return -1;
 234         }
 235
 236         /* Lines: "user" METHOD,METHOD2 "password" (password optional) */
 237         while (fgets(buf, sizeof(buf), f)) {
 238                 line++;
 239
 240                 if (buf[0] == '#')
 241                         continue;
 242                 pos = buf;
 243                 while (*pos != '\0') {
 244                         if (*pos == '\n') {
 245                                 *pos = '\0';
 246                                 break;
 247                         }
 248                         pos++;
 249                 }
 250                 if (buf[0] == '\0')
 251                         continue;
 252
 253 #ifndef CONFIG_NO_RADIUS
 254                 if (user && os_strncmp(buf, "radius_accept_attr=", 19) == 0) {
 255                         struct hostapd_radius_attr *attr, *a;
 256                         attr = hostapd_parse_radius_attr(buf + 19);
 257                         if (attr == NULL) {
 258                                 wpa_printf(MSG_ERROR, "Invalid radius_auth_req_attr: %s",
 259                                            buf + 19);
 260                                 user = NULL; /* already in the BSS list */
 261                                 goto failed;
 262                         }
 263                         if (user->accept_attr == NULL) {
 264                                 user->accept_attr = attr;
 265                         } else {
 266                                 a = user->accept_attr;
 267                                 while (a->next)
 268                                         a = a->next;
 269                                 a->next = attr;
 270                         }
 271                         continue;
 272                 }
 273 #endif /* CONFIG_NO_RADIUS */
 274
 275                 user = NULL;
 276
 277                 if (buf[0] != '"' && buf[0] != '*') {
 278                         wpa_printf(MSG_ERROR, "Invalid EAP identity (no \" in "
 279                                    "start) on line %d in '%s'", line, fname);
 280                         goto failed;
 281                 }
 282
 283                 user = os_zalloc(sizeof(*user));
 284                 if (user == NULL) {
 285                         wpa_printf(MSG_ERROR, "EAP user allocation failed");
 286                         goto failed;
 287                 }
 288                 user->force_version = -1;
 289
 290                 if (buf[0] == '*') {
 291                         pos = buf;
 292                 } else {
 293                         pos = buf + 1;
 294                         start = pos;
 295                         while (*pos != '"' && *pos != '\0')
 296                                 pos++;
 297                         if (*pos == '\0') {
 298                                 wpa_printf(MSG_ERROR, "Invalid EAP identity "
 299                                            "(no \" in end) on line %d in '%s'",
 300                                            line, fname);
 301                                 goto failed;
 302                         }
 303
 304                         user->identity = os_malloc(pos - start);
 305                         if (user->identity == NULL) {
 306                                 wpa_printf(MSG_ERROR, "Failed to allocate "
 307                                            "memory for EAP identity");
 308                                 goto failed;
 309                         }
 310                         os_memcpy(user->identity, start, pos - start);
 311                         user->identity_len = pos - start;
 312
 313                         if (pos[0] == '"' && pos[1] == '*') {
 314                                 user->wildcard_prefix = 1;
 315                                 pos++;
 316                         }
 317                 }
 318                 pos++;
 319                 while (*pos == ' ' || *pos == '\t')
 320                         pos++;
 321
 322                 if (*pos == '\0') {
 323                         wpa_printf(MSG_ERROR, "No EAP method on line %d in "
 324                                    "'%s'", line, fname);
 325                         goto failed;
 326                 }
 327
 328                 start = pos;
 329                 while (*pos != ' ' && *pos != '\t' && *pos != '\0')
 330                         pos++;
 331                 if (*pos == '\0') {
 332                         pos = NULL;
 333                 } else {
 334                         *pos = '\0';
 335                         pos++;
 336                 }
 337                 num_methods = 0;
 338                 while (*start) {
 339                         char *pos3 = os_strchr(start, ',');
 340                         if (pos3) {
 341                                 *pos3++ = '\0';
 342                         }
 343                         user->methods[num_methods].method =
 344                                 eap_server_get_type(
 345                                         start,
 346                                         &user->methods[num_methods].vendor);
 347                         if (user->methods[num_methods].vendor ==
 348                             EAP_VENDOR_IETF &&
 349                             user->methods[num_methods].method == EAP_TYPE_NONE)
 350                         {
 351                                 if (os_strcmp(start, "TTLS-PAP") == 0) {
 352                                         user->ttls_auth |= EAP_TTLS_AUTH_PAP;
 353                                         goto skip_eap;
 354                                 }
 355                                 if (os_strcmp(start, "TTLS-CHAP") == 0) {
 356                                         user->ttls_auth |= EAP_TTLS_AUTH_CHAP;
 357                                         goto skip_eap;
 358                                 }
 359                                 if (os_strcmp(start, "TTLS-MSCHAP") == 0) {
 360                                         user->ttls_auth |=
 361                                                 EAP_TTLS_AUTH_MSCHAP;
 362                                         goto skip_eap;
 363                                 }
 364                                 if (os_strcmp(start, "TTLS-MSCHAPV2") == 0) {
 365                                         user->ttls_auth |=
 366                                                 EAP_TTLS_AUTH_MSCHAPV2;
 367                                         goto skip_eap;
 368                                 }
 369                                 wpa_printf(MSG_ERROR, "Unsupported EAP type "
 370                                            "'%s' on line %d in '%s'",
 371                                            start, line, fname);
 372                                 goto failed;
 373                         }
 374
 375                         num_methods++;
 376                         if (num_methods >= EAP_MAX_METHODS)
 377                                 break;
 378                 skip_eap:
 379                         if (pos3 == NULL)
 380                                 break;
 381                         start = pos3;
 382                 }
 383                 if (num_methods == 0 && user->ttls_auth == 0) {
 384                         wpa_printf(MSG_ERROR, "No EAP types configured on "
 385                                    "line %d in '%s'", line, fname);
 386                         goto failed;
 387                 }
 388
 389                 if (pos == NULL)
 390                         goto done;
 391
 392                 while (*pos == ' ' || *pos == '\t')
 393                         pos++;
 394                 if (*pos == '\0')
 395                         goto done;
 396
 397                 if (os_strncmp(pos, "[ver=0]", 7) == 0) {
 398                         user->force_version = 0;
 399                         goto done;
 400                 }
 401
 402                 if (os_strncmp(pos, "[ver=1]", 7) == 0) {
 403                         user->force_version = 1;
 404                         goto done;
 405                 }
 406
 407                 if (os_strncmp(pos, "[2]", 3) == 0) {
 408                         user->phase2 = 1;
 409                         goto done;
 410                 }
 411
 412                 if (*pos == '"') {
 413                         pos++;
 414                         start = pos;
 415                         while (*pos != '"' && *pos != '\0')
 416                                 pos++;
 417                         if (*pos == '\0') {
 418                                 wpa_printf(MSG_ERROR, "Invalid EAP password "
 419                                            "(no \" in end) on line %d in '%s'",
 420                                            line, fname);
 421                                 goto failed;
 422                         }
 423
 424                         user->password = os_malloc(pos - start);
 425                         if (user->password == NULL) {
 426                                 wpa_printf(MSG_ERROR, "Failed to allocate "
 427                                            "memory for EAP password");
 428                                 goto failed;
 429                         }
 430                         os_memcpy(user->password, start, pos - start);
 431                         user->password_len = pos - start;
 432
 433                         pos++;
 434                 } else if (os_strncmp(pos, "hash:", 5) == 0) {
 435                         pos += 5;
 436                         pos2 = pos;
 437                         while (*pos2 != '\0' && *pos2 != ' ' &&
 438                                *pos2 != '\t' && *pos2 != '#')
 439                                 pos2++;
 440                         if (pos2 - pos != 32) {
 441                                 wpa_printf(MSG_ERROR, "Invalid password hash "
 442                                            "on line %d in '%s'", line, fname);
 443                                 goto failed;
 444                         }
 445                         user->password = os_malloc(16);
 446                         if (user->password == NULL) {
 447                                 wpa_printf(MSG_ERROR, "Failed to allocate "
 448                                            "memory for EAP password hash");
 449                                 goto failed;
 450                         }
 451                         if (hexstr2bin(pos, user->password, 16) < 0) {
 452                                 wpa_printf(MSG_ERROR, "Invalid hash password "
 453                                            "on line %d in '%s'", line, fname);
 454                                 goto failed;
 455                         }
 456                         user->password_len = 16;
 457                         user->password_hash = 1;
 458                         pos = pos2;
 459                 } else {
 460                         pos2 = pos;
 461                         while (*pos2 != '\0' && *pos2 != ' ' &&
 462                                *pos2 != '\t' && *pos2 != '#')
 463                                 pos2++;
 464                         if ((pos2 - pos) & 1) {
 465                                 wpa_printf(MSG_ERROR, "Invalid hex password "
 466                                            "on line %d in '%s'", line, fname);
 467                                 goto failed;
 468                         }
 469                         user->password = os_malloc((pos2 - pos) / 2);
 470                         if (user->password == NULL) {
 471                                 wpa_printf(MSG_ERROR, "Failed to allocate "
 472                                            "memory for EAP password");
 473                                 goto failed;
 474                         }
 475                         if (hexstr2bin(pos, user->password,
 476                                        (pos2 - pos) / 2) < 0) {
 477                                 wpa_printf(MSG_ERROR, "Invalid hex password "
 478                                            "on line %d in '%s'", line, fname);
 479                                 goto failed;
 480                         }
 481                         user->password_len = (pos2 - pos) / 2;
 482                         pos = pos2;
 483                 }
 484
 485                 while (*pos == ' ' || *pos == '\t')
 486                         pos++;
 487                 if (os_strncmp(pos, "[2]", 3) == 0) {
 488                         user->phase2 = 1;
 489                 }
 490
 491         done:
 492                 if (tail == NULL) {
 493                         tail = conf->eap_user = user;
 494                 } else {
 495                         tail->next = user;
 496                         tail = user;
 497                 }
 498                 continue;
 499
 500         failed:
 501                 if (user)
 502                         hostapd_config_free_eap_user(user);
 503                 ret = -1;
 504                 break;
 505         }
 506
 507         fclose(f);
 508
 509         return ret;
 510 }
 511 #endif /* EAP_SERVER */
 512
 513
 514 #ifndef CONFIG_NO_RADIUS
 515 static int
 516 hostapd_config_read_radius_addr(struct hostapd_radius_server **server,
 517                                 int *num_server, const char *val, int def_port,
 518                                 struct hostapd_radius_server **curr_serv)
 519 {
 520         struct hostapd_radius_server *nserv;
 521         int ret;
 522         static int server_index = 1;
 523
 524         nserv = os_realloc_array(*server, *num_server + 1, sizeof(*nserv));
 525         if (nserv == NULL)
 526                 return -1;
 527
 528         *server = nserv;
 529         nserv = &nserv[*num_server];
 530         (*num_server)++;
 531         (*curr_serv) = nserv;
 532
 533         os_memset(nserv, 0, sizeof(*nserv));
 534         nserv->port = def_port;
 535         ret = hostapd_parse_ip_addr(val, &nserv->addr);
 536         nserv->index = server_index++;
 537
 538         return ret;
 539 }
 540
 541
 542 static struct hostapd_radius_attr *
 543 hostapd_parse_radius_attr(const char *value)
 544 {
 545         const char *pos;
 546         char syntax;
 547         struct hostapd_radius_attr *attr;
 548         size_t len;
 549
 550         attr = os_zalloc(sizeof(*attr));
 551         if (attr == NULL)
 552                 return NULL;
 553
 554         attr->type = atoi(value);
 555
 556         pos = os_strchr(value, ':');
 557         if (pos == NULL) {
 558                 attr->val = wpabuf_alloc(1);
 559                 if (attr->val == NULL) {
 560                         os_free(attr);
 561                         return NULL;
 562                 }
 563                 wpabuf_put_u8(attr->val, 0);
 564                 return attr;
 565         }
 566
 567         pos++;
 568         if (pos[0] == '\0' || pos[1] != ':') {
 569                 os_free(attr);
 570                 return NULL;
 571         }
 572         syntax = *pos++;
 573         pos++;
 574
 575         switch (syntax) {
 576         case 's':
 577                 attr->val = wpabuf_alloc_copy(pos, os_strlen(pos));
 578                 break;
 579         case 'x':
 580                 len = os_strlen(pos);
 581                 if (len & 1)
 582                         break;
 583                 len /= 2;
 584                 attr->val = wpabuf_alloc(len);
 585                 if (attr->val == NULL)
 586                         break;
 587                 if (hexstr2bin(pos, wpabuf_put(attr->val, len), len) < 0) {
 588                         wpabuf_free(attr->val);
 589                         os_free(attr);
 590                         return NULL;
 591                 }
 592                 break;
 593         case 'd':
 594                 attr->val = wpabuf_alloc(4);
 595                 if (attr->val)
 596                         wpabuf_put_be32(attr->val, atoi(pos));
 597                 break;
 598         default:
 599                 os_free(attr);
 600                 return NULL;
 601         }
 602
 603         if (attr->val == NULL) {
 604                 os_free(attr);
 605                 return NULL;
 606         }
 607
 608         return attr;
 609 }
 610
 611
 612 static int hostapd_parse_das_client(struct hostapd_bss_config *bss,
 613                                     const char *val)
 614 {
 615         char *secret;
 616
 617         secret = os_strchr(val, ' ');
 618         if (secret == NULL)
 619                 return -1;
 620
 621         secret++;
 622
 623         if (hostapd_parse_ip_addr(val, &bss->radius_das_client_addr))
 624                 return -1;
 625
 626         os_free(bss->radius_das_shared_secret);
 627         bss->radius_das_shared_secret = (u8 *) os_strdup(secret);
 628         if (bss->radius_das_shared_secret == NULL)
 629                 return -1;
 630         bss->radius_das_shared_secret_len = os_strlen(secret);
 631
 632         return 0;
 633 }
 634 #endif /* CONFIG_NO_RADIUS */
 635
 636
 637 static int hostapd_config_parse_key_mgmt(int line, const char *value)
 638 {
 639         int val = 0, last;
 640         char *start, *end, *buf;
 641
 642         buf = os_strdup(value);
 643         if (buf == NULL)
 644                 return -1;
 645         start = buf;
 646
 647         while (*start != '\0') {
 648                 while (*start == ' ' || *start == '\t')
 649                         start++;
 650                 if (*start == '\0')
 651                         break;
 652                 end = start;
 653                 while (*end != ' ' && *end != '\t' && *end != '\0')
 654                         end++;
 655                 last = *end == '\0';
 656                 *end = '\0';
 657                 if (os_strcmp(start, "WPA-PSK") == 0)
 658                         val |= WPA_KEY_MGMT_PSK;
 659                 else if (os_strcmp(start, "WPA-EAP") == 0)
 660                         val |= WPA_KEY_MGMT_IEEE8021X;
 661 #ifdef CONFIG_IEEE80211R
 662                 else if (os_strcmp(start, "FT-PSK") == 0)
 663                         val |= WPA_KEY_MGMT_FT_PSK;
 664                 else if (os_strcmp(start, "FT-EAP") == 0)
 665                         val |= WPA_KEY_MGMT_FT_IEEE8021X;
 666 #endif /* CONFIG_IEEE80211R */
 667 #ifdef CONFIG_IEEE80211W
 668                 else if (os_strcmp(start, "WPA-PSK-SHA256") == 0)
 669                         val |= WPA_KEY_MGMT_PSK_SHA256;
 670                 else if (os_strcmp(start, "WPA-EAP-SHA256") == 0)
 671                         val |= WPA_KEY_MGMT_IEEE8021X_SHA256;
 672 #endif /* CONFIG_IEEE80211W */
 673 #ifdef CONFIG_SAE
 674                 else if (os_strcmp(start, "SAE") == 0)
 675                         val |= WPA_KEY_MGMT_SAE;
 676                 else if (os_strcmp(start, "FT-SAE") == 0)
 677                         val |= WPA_KEY_MGMT_FT_SAE;
 678 #endif /* CONFIG_SAE */
 679                 else {
 680                         wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'",
 681                                    line, start);
 682                         os_free(buf);
 683                         return -1;
 684                 }
 685
 686                 if (last)
 687                         break;
 688                 start = end + 1;
 689         }
 690
 691         os_free(buf);
 692         if (val == 0) {
 693                 wpa_printf(MSG_ERROR, "Line %d: no key_mgmt values "
 694                            "configured.", line);
 695                 return -1;
 696         }
 697
 698         return val;
 699 }
 700
 701
 702 static int hostapd_config_parse_cipher(int line, const char *value)
 703 {
 704         int val = wpa_parse_cipher(value);
 705         if (val < 0) {
 706                 wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.",
 707                            line, value);
 708                 return -1;
 709         }
 710         if (val == 0) {
 711                 wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.",
 712                            line);
 713                 return -1;
 714         }
 715         return val;
 716 }
 717
 718
 719 static int hostapd_config_read_wep(struct hostapd_wep_keys *wep, int keyidx,
 720                                    char *val)
 721 {
 722         size_t len = os_strlen(val);
 723
 724         if (keyidx < 0 || keyidx > 3 || wep->key[keyidx] != NULL)
 725                 return -1;
 726
 727         if (val[0] == '"') {
 728                 if (len < 2 || val[len - 1] != '"')
 729                         return -1;
 730                 len -= 2;
 731                 wep->key[keyidx] = os_malloc(len);
 732                 if (wep->key[keyidx] == NULL)
 733                         return -1;
 734                 os_memcpy(wep->key[keyidx], val + 1, len);
 735                 wep->len[keyidx] = len;
 736         } else {
 737                 if (len & 1)
 738                         return -1;
 739                 len /= 2;
 740                 wep->key[keyidx] = os_malloc(len);
 741                 if (wep->key[keyidx] == NULL)
 742                         return -1;
 743                 wep->len[keyidx] = len;
 744                 if (hexstr2bin(val, wep->key[keyidx], len) < 0)
 745                         return -1;
 746         }
 747
 748         wep->keys_set++;
 749
 750         return 0;
 751 }
 752
 753
 754 static int hostapd_parse_intlist(int **int_list, char *val)
 755 {
 756         int *list;
 757         int count;
 758         char *pos, *end;
 759
 760         os_free(*int_list);
 761         *int_list = NULL;
 762
 763         pos = val;
 764         count = 0;
 765         while (*pos != '\0') {
 766                 if (*pos == ' ')
 767                         count++;
 768                 pos++;
 769         }
 770
 771         list = os_malloc(sizeof(int) * (count + 2));
 772         if (list == NULL)
 773                 return -1;
 774         pos = val;
 775         count = 0;
 776         while (*pos != '\0') {
 777                 end = os_strchr(pos, ' ');
 778                 if (end)
 779                         *end = '\0';
 780
 781                 list[count++] = atoi(pos);
 782                 if (!end)
 783                         break;
 784                 pos = end + 1;
 785         }
 786         list[count] = -1;
 787
 788         *int_list = list;
 789         return 0;
 790 }
 791
 792
 793 static int hostapd_config_bss(struct hostapd_config *conf, const char *ifname)
 794 {
 795         struct hostapd_bss_config **all, *bss;
 796
 797         if (*ifname == '\0')
 798                 return -1;
 799
 800         all = os_realloc_array(conf->bss, conf->num_bss + 1,
 801                                sizeof(struct hostapd_bss_config *));
 802         if (all == NULL) {
 803                 wpa_printf(MSG_ERROR, "Failed to allocate memory for "
 804                            "multi-BSS entry");
 805                 return -1;
 806         }
 807         conf->bss = all;
 808
 809         bss = os_zalloc(sizeof(*bss));
 810         if (bss == NULL)
 811                 return -1;
 812         bss->radius = os_zalloc(sizeof(*bss->radius));
 813         if (bss->radius == NULL) {
 814                 wpa_printf(MSG_ERROR, "Failed to allocate memory for "
 815                            "multi-BSS RADIUS data");
 816                 os_free(bss);
 817                 return -1;
 818         }
 819
 820         conf->bss[conf->num_bss++] = bss;
 821         conf->last_bss = bss;
 822
 823         hostapd_config_defaults_bss(bss);
 824         os_strlcpy(bss->iface, ifname, sizeof(bss->iface));
 825         os_memcpy(bss->ssid.vlan, bss->iface, IFNAMSIZ + 1);
 826
 827         return 0;
 828 }
 829
 830
 831 /* convert floats with one decimal place to value*10 int, i.e.,
 832  * "1.5" will return 15 */
 833 static int hostapd_config_read_int10(const char *value)
 834 {
 835         int i, d;
 836         char *pos;
 837
 838         i = atoi(value);
 839         pos = os_strchr(value, '.');
 840         d = 0;
 841         if (pos) {
 842                 pos++;
 843                 if (*pos >= '0' && *pos <= '9')
 844                         d = *pos - '0';
 845         }
 846
 847         return i * 10 + d;
 848 }
 849
 850
 851 static int valid_cw(int cw)
 852 {
 853         return (cw == 1 || cw == 3 || cw == 7 || cw == 15 || cw == 31 ||
 854                 cw == 63 || cw == 127 || cw == 255 || cw == 511 || cw == 1023);
 855 }
 856
 857
 858 enum {
 859         IEEE80211_TX_QUEUE_DATA0 = 0, /* used for EDCA AC_VO data */
 860         IEEE80211_TX_QUEUE_DATA1 = 1, /* used for EDCA AC_VI data */
 861         IEEE80211_TX_QUEUE_DATA2 = 2, /* used for EDCA AC_BE data */
 862         IEEE80211_TX_QUEUE_DATA3 = 3 /* used for EDCA AC_BK data */
 863 };
 864
 865 static int hostapd_config_tx_queue(struct hostapd_config *conf, char *name,
 866                                    char *val)
 867 {
 868         int num;
 869         char *pos;
 870         struct hostapd_tx_queue_params *queue;
 871
 872         /* skip 'tx_queue_' prefix */
 873         pos = name + 9;
 874         if (os_strncmp(pos, "data", 4) == 0 &&
 875             pos[4] >= '0' && pos[4] <= '9' && pos[5] == '_') {
 876                 num = pos[4] - '0';
 877                 pos += 6;
 878         } else if (os_strncmp(pos, "after_beacon_", 13) == 0 ||
 879                    os_strncmp(pos, "beacon_", 7) == 0) {
 880                 wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
 881                 return 0;
 882         } else {
 883                 wpa_printf(MSG_ERROR, "Unknown tx_queue name '%s'", pos);
 884                 return -1;
 885         }
 886
 887         if (num >= NUM_TX_QUEUES) {
 888                 /* for backwards compatibility, do not trigger failure */
 889                 wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
 890                 return 0;
 891         }
 892
 893         queue = &conf->tx_queue[num];
 894
 895         if (os_strcmp(pos, "aifs") == 0) {
 896                 queue->aifs = atoi(val);
 897                 if (queue->aifs < 0 || queue->aifs > 255) {
 898                         wpa_printf(MSG_ERROR, "Invalid AIFS value %d",
 899                                    queue->aifs);
 900                         return -1;
 901                 }
 902         } else if (os_strcmp(pos, "cwmin") == 0) {
 903                 queue->cwmin = atoi(val);
 904                 if (!valid_cw(queue->cwmin)) {
 905                         wpa_printf(MSG_ERROR, "Invalid cwMin value %d",
 906                                    queue->cwmin);
 907                         return -1;
 908                 }
 909         } else if (os_strcmp(pos, "cwmax") == 0) {
 910                 queue->cwmax = atoi(val);
 911                 if (!valid_cw(queue->cwmax)) {
 912                         wpa_printf(MSG_ERROR, "Invalid cwMax value %d",
 913                                    queue->cwmax);
 914                         return -1;
 915                 }
 916         } else if (os_strcmp(pos, "burst") == 0) {
 917                 queue->burst = hostapd_config_read_int10(val);
 918         } else {
 919                 wpa_printf(MSG_ERROR, "Unknown tx_queue field '%s'", pos);
 920                 return -1;
 921         }
 922
 923         return 0;
 924 }
 925
 926
 927 #ifdef CONFIG_IEEE80211R
 928 static int add_r0kh(struct hostapd_bss_config *bss, char *value)
 929 {
 930         struct ft_remote_r0kh *r0kh;
 931         char *pos, *next;
 932
 933         r0kh = os_zalloc(sizeof(*r0kh));
 934         if (r0kh == NULL)
 935                 return -1;
 936
 937         /* 02:01:02:03:04:05 a.example.com 000102030405060708090a0b0c0d0e0f */
 938         pos = value;
 939         next = os_strchr(pos, ' ');
 940         if (next)
 941                 *next++ = '\0';
 942         if (next == NULL || hwaddr_aton(pos, r0kh->addr)) {
 943                 wpa_printf(MSG_ERROR, "Invalid R0KH MAC address: '%s'", pos);
 944                 os_free(r0kh);
 945                 return -1;
 946         }
 947
 948         pos = next;
 949         next = os_strchr(pos, ' ');
 950         if (next)
 951                 *next++ = '\0';
 952         if (next == NULL || next - pos > FT_R0KH_ID_MAX_LEN) {
 953                 wpa_printf(MSG_ERROR, "Invalid R0KH-ID: '%s'", pos);
 954                 os_free(r0kh);
 955                 return -1;
 956         }
 957         r0kh->id_len = next - pos - 1;
 958         os_memcpy(r0kh->id, pos, r0kh->id_len);
 959
 960         pos = next;
 961         if (hexstr2bin(pos, r0kh->key, sizeof(r0kh->key))) {
 962                 wpa_printf(MSG_ERROR, "Invalid R0KH key: '%s'", pos);
 963                 os_free(r0kh);
 964                 return -1;
 965         }
 966
 967         r0kh->next = bss->r0kh_list;
 968         bss->r0kh_list = r0kh;
 969
 970         return 0;
 971 }
 972
 973
 974 static int add_r1kh(struct hostapd_bss_config *bss, char *value)
 975 {
 976         struct ft_remote_r1kh *r1kh;
 977         char *pos, *next;
 978
 979         r1kh = os_zalloc(sizeof(*r1kh));
 980         if (r1kh == NULL)
 981                 return -1;
 982
 983         /* 02:01:02:03:04:05 02:01:02:03:04:05
 984          * 000102030405060708090a0b0c0d0e0f */
 985         pos = value;
 986         next = os_strchr(pos, ' ');
 987         if (next)
 988                 *next++ = '\0';
 989         if (next == NULL || hwaddr_aton(pos, r1kh->addr)) {
 990                 wpa_printf(MSG_ERROR, "Invalid R1KH MAC address: '%s'", pos);
 991                 os_free(r1kh);
 992                 return -1;
 993         }
 994
 995         pos = next;
 996         next = os_strchr(pos, ' ');
 997         if (next)
 998                 *next++ = '\0';
 999         if (next == NULL || hwaddr_aton(pos, r1kh->id)) {
1000                 wpa_printf(MSG_ERROR, "Invalid R1KH-ID: '%s'", pos);
1001                 os_free(r1kh);
1002                 return -1;
1003         }
1004
1005         pos = next;
1006         if (hexstr2bin(pos, r1kh->key, sizeof(r1kh->key))) {
1007                 wpa_printf(MSG_ERROR, "Invalid R1KH key: '%s'", pos);
1008                 os_free(r1kh);
1009                 return -1;
1010         }
1011
1012         r1kh->next = bss->r1kh_list;
1013         bss->r1kh_list = r1kh;
1014
1015         return 0;
1016 }
1017 #endif /* CONFIG_IEEE80211R */
1018
1019
1020 #ifdef CONFIG_IEEE80211N
1021 static int hostapd_config_ht_capab(struct hostapd_config *conf,
1022                                    const char *capab)
1023 {
1024         if (os_strstr(capab, "[LDPC]"))
1025                 conf->ht_capab |= HT_CAP_INFO_LDPC_CODING_CAP;
1026         if (os_strstr(capab, "[HT40-]")) {
1027                 conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
1028                 conf->secondary_channel = -1;
1029         }
1030         if (os_strstr(capab, "[HT40+]")) {
1031                 conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
1032                 conf->secondary_channel = 1;
1033         }
1034         if (os_strstr(capab, "[SMPS-STATIC]")) {
1035                 conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
1036                 conf->ht_capab |= HT_CAP_INFO_SMPS_STATIC;
1037         }
1038         if (os_strstr(capab, "[SMPS-DYNAMIC]")) {
1039                 conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
1040                 conf->ht_capab |= HT_CAP_INFO_SMPS_DYNAMIC;
1041         }
1042         if (os_strstr(capab, "[GF]"))
1043                 conf->ht_capab |= HT_CAP_INFO_GREEN_FIELD;
1044         if (os_strstr(capab, "[SHORT-GI-20]"))
1045                 conf->ht_capab |= HT_CAP_INFO_SHORT_GI20MHZ;
1046         if (os_strstr(capab, "[SHORT-GI-40]"))
1047                 conf->ht_capab |= HT_CAP_INFO_SHORT_GI40MHZ;
1048         if (os_strstr(capab, "[TX-STBC]"))
1049                 conf->ht_capab |= HT_CAP_INFO_TX_STBC;
1050         if (os_strstr(capab, "[RX-STBC1]")) {
1051                 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1052                 conf->ht_capab |= HT_CAP_INFO_RX_STBC_1;
1053         }
1054         if (os_strstr(capab, "[RX-STBC12]")) {
1055                 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1056                 conf->ht_capab |= HT_CAP_INFO_RX_STBC_12;
1057         }
1058         if (os_strstr(capab, "[RX-STBC123]")) {
1059                 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1060                 conf->ht_capab |= HT_CAP_INFO_RX_STBC_123;
1061         }
1062         if (os_strstr(capab, "[DELAYED-BA]"))
1063                 conf->ht_capab |= HT_CAP_INFO_DELAYED_BA;
1064         if (os_strstr(capab, "[MAX-AMSDU-7935]"))
1065                 conf->ht_capab |= HT_CAP_INFO_MAX_AMSDU_SIZE;
1066         if (os_strstr(capab, "[DSSS_CCK-40]"))
1067                 conf->ht_capab |= HT_CAP_INFO_DSSS_CCK40MHZ;
1068         if (os_strstr(capab, "[PSMP]"))
1069                 conf->ht_capab |= HT_CAP_INFO_PSMP_SUPP;
1070         if (os_strstr(capab, "[LSIG-TXOP-PROT]"))
1071                 conf->ht_capab |= HT_CAP_INFO_LSIG_TXOP_PROTECT_SUPPORT;
1072
1073         return 0;
1074 }
1075 #endif /* CONFIG_IEEE80211N */
1076
1077
1078 #ifdef CONFIG_IEEE80211AC
1079 static int hostapd_config_vht_capab(struct hostapd_config *conf,
1080                                     const char *capab)
1081 {
1082         if (os_strstr(capab, "[MAX-MPDU-7991]"))
1083                 conf->vht_capab |= VHT_CAP_MAX_MPDU_LENGTH_7991;
1084         if (os_strstr(capab, "[MAX-MPDU-11454]"))
1085                 conf->vht_capab |= VHT_CAP_MAX_MPDU_LENGTH_11454;
1086         if (os_strstr(capab, "[VHT160]"))
1087                 conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
1088         if (os_strstr(capab, "[VHT160-80PLUS80]"))
1089                 conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
1090         if (os_strstr(capab, "[VHT160-80PLUS80]"))
1091                 conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
1092         if (os_strstr(capab, "[RXLDPC]"))
1093                 conf->vht_capab |= VHT_CAP_RXLDPC;
1094         if (os_strstr(capab, "[SHORT-GI-80]"))
1095                 conf->vht_capab |= VHT_CAP_SHORT_GI_80;
1096         if (os_strstr(capab, "[SHORT-GI-160]"))
1097                 conf->vht_capab |= VHT_CAP_SHORT_GI_160;
1098         if (os_strstr(capab, "[TX-STBC-2BY1]"))
1099                 conf->vht_capab |= VHT_CAP_TXSTBC;
1100         if (os_strstr(capab, "[RX-STBC-1]"))
1101                 conf->vht_capab |= VHT_CAP_RXSTBC_1;
1102         if (os_strstr(capab, "[RX-STBC-12]"))
1103                 conf->vht_capab |= VHT_CAP_RXSTBC_2;
1104         if (os_strstr(capab, "[RX-STBC-123]"))
1105                 conf->vht_capab |= VHT_CAP_RXSTBC_3;
1106         if (os_strstr(capab, "[RX-STBC-1234]"))
1107                 conf->vht_capab |= VHT_CAP_RXSTBC_4;
1108         if (os_strstr(capab, "[SU-BEAMFORMER]"))
1109                 conf->vht_capab |= VHT_CAP_SU_BEAMFORMER_CAPABLE;
1110         if (os_strstr(capab, "[SU-BEAMFORMEE]"))
1111                 conf->vht_capab |= VHT_CAP_SU_BEAMFORMEE_CAPABLE;
1112         if (os_strstr(capab, "[BF-ANTENNA-2]") &&
1113             (conf->vht_capab & VHT_CAP_SU_BEAMFORMEE_CAPABLE))
1114                 conf->vht_capab |= (1 << VHT_CAP_BEAMFORMEE_STS_OFFSET);
1115         if (os_strstr(capab, "[SOUNDING-DIMENSION-2]") &&
1116             (conf->vht_capab & VHT_CAP_SU_BEAMFORMER_CAPABLE))
1117                 conf->vht_capab |= (1 << VHT_CAP_SOUNDING_DIMENSION_OFFSET);
1118         if (os_strstr(capab, "[MU-BEAMFORMER]"))
1119                 conf->vht_capab |= VHT_CAP_MU_BEAMFORMER_CAPABLE;
1120         if (os_strstr(capab, "[MU-BEAMFORMEE]"))
1121                 conf->vht_capab |= VHT_CAP_MU_BEAMFORMEE_CAPABLE;
1122         if (os_strstr(capab, "[VHT-TXOP-PS]"))
1123                 conf->vht_capab |= VHT_CAP_VHT_TXOP_PS;
1124         if (os_strstr(capab, "[HTC-VHT]"))
1125                 conf->vht_capab |= VHT_CAP_HTC_VHT;
1126         if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP7]"))
1127                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MAX;
1128         else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP6]"))
1129                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_6;
1130         else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP5]"))
1131                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_5;
1132         else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP4]"))
1133                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_4;
1134         else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP3]"))
1135                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_3;
1136         else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP2]"))
1137                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_2;
1138         else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP1]"))
1139                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_1;
1140         if (os_strstr(capab, "[VHT-LINK-ADAPT2]") &&
1141             (conf->vht_capab & VHT_CAP_HTC_VHT))
1142                 conf->vht_capab |= VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB;
1143         if (os_strstr(capab, "[VHT-LINK-ADAPT3]") &&
1144             (conf->vht_capab & VHT_CAP_HTC_VHT))
1145                 conf->vht_capab |= VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB;
1146         if (os_strstr(capab, "[RX-ANTENNA-PATTERN]"))
1147                 conf->vht_capab |= VHT_CAP_RX_ANTENNA_PATTERN;
1148         if (os_strstr(capab, "[TX-ANTENNA-PATTERN]"))
1149                 conf->vht_capab |= VHT_CAP_TX_ANTENNA_PATTERN;
1150         return 0;
1151 }
1152 #endif /* CONFIG_IEEE80211AC */
1153
1154
1155 #ifdef CONFIG_INTERWORKING
1156 static int parse_roaming_consortium(struct hostapd_bss_config *bss, char *pos,
1157                                     int line)
1158 {
1159         size_t len = os_strlen(pos);
1160         u8 oi[MAX_ROAMING_CONSORTIUM_LEN];
1161
1162         struct hostapd_roaming_consortium *rc;
1163
1164         if ((len & 1) || len < 2 * 3 || len / 2 > MAX_ROAMING_CONSORTIUM_LEN ||
1165             hexstr2bin(pos, oi, len / 2)) {
1166                 wpa_printf(MSG_ERROR, "Line %d: invalid roaming_consortium "
1167                            "'%s'", line, pos);
1168                 return -1;
1169         }
1170         len /= 2;
1171
1172         rc = os_realloc_array(bss->roaming_consortium,
1173                               bss->roaming_consortium_count + 1,
1174                               sizeof(struct hostapd_roaming_consortium));
1175         if (rc == NULL)
1176                 return -1;
1177
1178         os_memcpy(rc[bss->roaming_consortium_count].oi, oi, len);
1179         rc[bss->roaming_consortium_count].len = len;
1180
1181         bss->roaming_consortium = rc;
1182         bss->roaming_consortium_count++;
1183
1184         return 0;
1185 }
1186
1187
1188 static int parse_lang_string(struct hostapd_lang_string **array,
1189                              unsigned int *count, char *pos)
1190 {
1191         char *sep, *str = NULL;
1192         size_t clen, nlen, slen;
1193         struct hostapd_lang_string *ls;
1194         int ret = -1;
1195
1196         if (*pos == '"' || (*pos == 'P' && pos[1] == '"')) {
1197                 str = wpa_config_parse_string(pos, &slen);
1198                 if (!str)
1199                         return -1;
1200                 pos = str;
1201         }
1202
1203         sep = os_strchr(pos, ':');
1204         if (sep == NULL)
1205                 goto fail;
1206         *sep++ = '\0';
1207
1208         clen = os_strlen(pos);
1209         if (clen < 2 || clen > sizeof(ls->lang))
1210                 goto fail;
1211         nlen = os_strlen(sep);
1212         if (nlen > 252)
1213                 goto fail;
1214
1215         ls = os_realloc_array(*array, *count + 1,
1216                               sizeof(struct hostapd_lang_string));
1217         if (ls == NULL)
1218                 goto fail;
1219
1220         *array = ls;
1221         ls = &(*array)[*count];
1222         (*count)++;
1223
1224         os_memset(ls->lang, 0, sizeof(ls->lang));
1225         os_memcpy(ls->lang, pos, clen);
1226         ls->name_len = nlen;
1227         os_memcpy(ls->name, sep, nlen);
1228
1229         ret = 0;
1230 fail:
1231         os_free(str);
1232         return ret;
1233 }
1234
1235
1236 static int parse_venue_name(struct hostapd_bss_config *bss, char *pos,
1237                             int line)
1238 {
1239         if (parse_lang_string(&bss->venue_name, &bss->venue_name_count, pos)) {
1240                 wpa_printf(MSG_ERROR, "Line %d: Invalid venue_name '%s'",
1241                            line, pos);
1242                 return -1;
1243         }
1244         return 0;
1245 }
1246
1247
1248 static int parse_3gpp_cell_net(struct hostapd_bss_config *bss, char *buf,
1249                                int line)
1250 {
1251         size_t count;
1252         char *pos;
1253         u8 *info = NULL, *ipos;
1254
1255         /* format: <MCC1,MNC1>[;<MCC2,MNC2>][;...] */
1256
1257         count = 1;
1258         for (pos = buf; *pos; pos++) {
1259                 if ((*pos < '0' && *pos > '9') && *pos != ';' && *pos != ',')
1260                         goto fail;
1261                 if (*pos == ';')
1262                         count++;
1263         }
1264         if (1 + count * 3 > 0x7f)
1265                 goto fail;
1266
1267         info = os_zalloc(2 + 3 + count * 3);
1268         if (info == NULL)
1269                 return -1;
1270
1271         ipos = info;
1272         *ipos++ = 0; /* GUD - Version 1 */
1273         *ipos++ = 3 + count * 3; /* User Data Header Length (UDHL) */
1274         *ipos++ = 0; /* PLMN List IEI */
1275         /* ext(b8) | Length of PLMN List value contents(b7..1) */
1276         *ipos++ = 1 + count * 3;
1277         *ipos++ = count; /* Number of PLMNs */
1278
1279         pos = buf;
1280         while (pos && *pos) {
1281                 char *mcc, *mnc;
1282                 size_t mnc_len;
1283
1284                 mcc = pos;
1285                 mnc = os_strchr(pos, ',');
1286                 if (mnc == NULL)
1287                         goto fail;
1288                 *mnc++ = '\0';
1289                 pos = os_strchr(mnc, ';');
1290                 if (pos)
1291                         *pos++ = '\0';
1292
1293                 mnc_len = os_strlen(mnc);
1294                 if (os_strlen(mcc) != 3 || (mnc_len != 2 && mnc_len != 3))
1295                         goto fail;
1296
1297                 /* BC coded MCC,MNC */
1298                 /* MCC digit 2 | MCC digit 1 */
1299                 *ipos++ = ((mcc[1] - '0') << 4) | (mcc[0] - '0');
1300                 /* MNC digit 3 | MCC digit 3 */
1301                 *ipos++ = (((mnc_len == 2) ? 0xf0 : ((mnc[2] - '0') << 4))) |
1302                         (mcc[2] - '0');
1303                 /* MNC digit 2 | MNC digit 1 */
1304                 *ipos++ = ((mnc[1] - '0') << 4) | (mnc[0] - '0');
1305         }
1306
1307         os_free(bss->anqp_3gpp_cell_net);
1308         bss->anqp_3gpp_cell_net = info;
1309         bss->anqp_3gpp_cell_net_len = 2 + 3 + 3 * count;
1310         wpa_hexdump(MSG_MSGDUMP, "3GPP Cellular Network information",
1311                     bss->anqp_3gpp_cell_net, bss->anqp_3gpp_cell_net_len);
1312
1313         return 0;
1314
1315 fail:
1316         wpa_printf(MSG_ERROR, "Line %d: Invalid anqp_3gpp_cell_net: %s",
1317                    line, buf);
1318         os_free(info);
1319         return -1;
1320 }
1321
1322
1323 static int parse_nai_realm(struct hostapd_bss_config *bss, char *buf, int line)
1324 {
1325         struct hostapd_nai_realm_data *realm;
1326         size_t i, j, len;
1327         int *offsets;
1328         char *pos, *end, *rpos;
1329
1330         offsets = os_calloc(bss->nai_realm_count * MAX_NAI_REALMS,
1331                             sizeof(int));
1332         if (offsets == NULL)
1333                 return -1;
1334
1335         for (i = 0; i < bss->nai_realm_count; i++) {
1336                 realm = &bss->nai_realm_data[i];
1337                 for (j = 0; j < MAX_NAI_REALMS; j++) {
1338                         offsets[i * MAX_NAI_REALMS + j] =
1339                                 realm->realm[j] ?
1340                                 realm->realm[j] - realm->realm_buf : -1;
1341                 }
1342         }
1343
1344         realm = os_realloc_array(bss->nai_realm_data, bss->nai_realm_count + 1,
1345                                  sizeof(struct hostapd_nai_realm_data));
1346         if (realm == NULL) {
1347                 os_free(offsets);
1348                 return -1;
1349         }
1350         bss->nai_realm_data = realm;
1351
1352         /* patch the pointers after realloc */
1353         for (i = 0; i < bss->nai_realm_count; i++) {
1354                 realm = &bss->nai_realm_data[i];
1355                 for (j = 0; j < MAX_NAI_REALMS; j++) {
1356                         int offs = offsets[i * MAX_NAI_REALMS + j];
1357                         if (offs >= 0)
1358                                 realm->realm[j] = realm->realm_buf + offs;
1359                         else
1360                                 realm->realm[j] = NULL;
1361                 }
1362         }
1363         os_free(offsets);
1364
1365         realm = &bss->nai_realm_data[bss->nai_realm_count];
1366         os_memset(realm, 0, sizeof(*realm));
1367
1368         pos = buf;
1369         realm->encoding = atoi(pos);
1370         pos = os_strchr(pos, ',');
1371         if (pos == NULL)
1372                 goto fail;
1373         pos++;
1374
1375         end = os_strchr(pos, ',');
1376         if (end) {
1377                 len = end - pos;
1378                 *end = '\0';
1379         } else {
1380                 len = os_strlen(pos);
1381         }
1382
1383         if (len > MAX_NAI_REALMLEN) {
1384                 wpa_printf(MSG_ERROR, "Too long a realm string (%d > max %d "
1385                            "characters)", (int) len, MAX_NAI_REALMLEN);
1386                 goto fail;
1387         }
1388         os_memcpy(realm->realm_buf, pos, len);
1389
1390         if (end)
1391                 pos = end + 1;
1392         else
1393                 pos = NULL;
1394
1395         while (pos && *pos) {
1396                 struct hostapd_nai_realm_eap *eap;
1397
1398                 if (realm->eap_method_count >= MAX_NAI_EAP_METHODS) {
1399                         wpa_printf(MSG_ERROR, "Too many EAP methods");
1400                         goto fail;
1401                 }
1402
1403                 eap = &realm->eap_method[realm->eap_method_count];
1404                 realm->eap_method_count++;
1405
1406                 end = os_strchr(pos, ',');
1407                 if (end == NULL)
1408                         end = pos + os_strlen(pos);
1409
1410                 eap->eap_method = atoi(pos);
1411                 for (;;) {
1412                         pos = os_strchr(pos, '[');
1413                         if (pos == NULL || pos > end)
1414                                 break;
1415                         pos++;
1416                         if (eap->num_auths >= MAX_NAI_AUTH_TYPES) {
1417                                 wpa_printf(MSG_ERROR, "Too many auth params");
1418                                 goto fail;
1419                         }
1420                         eap->auth_id[eap->num_auths] = atoi(pos);
1421                         pos = os_strchr(pos, ':');
1422                         if (pos == NULL || pos > end)
1423                                 goto fail;
1424                         pos++;
1425                         eap->auth_val[eap->num_auths] = atoi(pos);
1426                         pos = os_strchr(pos, ']');
1427                         if (pos == NULL || pos > end)
1428                                 goto fail;
1429                         pos++;
1430                         eap->num_auths++;
1431                 }
1432
1433                 if (*end != ',')
1434                         break;
1435
1436                 pos = end + 1;
1437         }
1438
1439         /* Split realm list into null terminated realms */
1440         rpos = realm->realm_buf;
1441         i = 0;
1442         while (*rpos) {
1443                 if (i >= MAX_NAI_REALMS) {
1444                         wpa_printf(MSG_ERROR, "Too many realms");
1445                         goto fail;
1446                 }
1447                 realm->realm[i++] = rpos;
1448                 rpos = os_strchr(rpos, ';');
1449                 if (rpos == NULL)
1450                         break;
1451                 *rpos++ = '\0';
1452         }
1453
1454         bss->nai_realm_count++;
1455
1456         return 0;
1457
1458 fail:
1459         wpa_printf(MSG_ERROR, "Line %d: invalid nai_realm '%s'", line, buf);
1460         return -1;
1461 }
1462
1463
1464 static int parse_qos_map_set(struct hostapd_bss_config *bss,
1465                              char *buf, int line)
1466 {
1467         u8 qos_map_set[16 + 2 * 21], count = 0;
1468         char *pos = buf;
1469         int val;
1470
1471         for (;;) {
1472                 if (count == sizeof(qos_map_set)) {
1473                         wpa_printf(MSG_ERROR, "Line %d: Too many qos_map_set "
1474                                    "parameters '%s'", line, buf);
1475                         return -1;
1476                 }
1477
1478                 val = atoi(pos);
1479                 if (val > 255 || val < 0) {
1480                         wpa_printf(MSG_ERROR, "Line %d: Invalid qos_map_set "
1481                                    "'%s'", line, buf);
1482                         return -1;
1483                 }
1484
1485                 qos_map_set[count++] = val;
1486                 pos = os_strchr(pos, ',');
1487                 if (!pos)
1488                         break;
1489                 pos++;
1490         }
1491
1492         if (count < 16 || count & 1) {
1493                 wpa_printf(MSG_ERROR, "Line %d: Invalid qos_map_set '%s'",
1494                            line, buf);
1495                 return -1;
1496         }
1497
1498         os_memcpy(bss->qos_map_set, qos_map_set, count);
1499         bss->qos_map_set_len = count;
1500
1501         return 0;
1502 }
1503
1504 #endif /* CONFIG_INTERWORKING */
1505
1506
1507 #ifdef CONFIG_HS20
1508 static int hs20_parse_conn_capab(struct hostapd_bss_config *bss, char *buf,
1509                                  int line)
1510 {
1511         u8 *conn_cap;
1512         char *pos;
1513
1514         if (bss->hs20_connection_capability_len >= 0xfff0)
1515                 return -1;
1516
1517         conn_cap = os_realloc(bss->hs20_connection_capability,
1518                               bss->hs20_connection_capability_len + 4);
1519         if (conn_cap == NULL)
1520                 return -1;
1521
1522         bss->hs20_connection_capability = conn_cap;
1523         conn_cap += bss->hs20_connection_capability_len;
1524         pos = buf;
1525         conn_cap[0] = atoi(pos);
1526         pos = os_strchr(pos, ':');
1527         if (pos == NULL)
1528                 return -1;
1529         pos++;
1530         WPA_PUT_LE16(conn_cap + 1, atoi(pos));
1531         pos = os_strchr(pos, ':');
1532         if (pos == NULL)
1533                 return -1;
1534         pos++;
1535         conn_cap[3] = atoi(pos);
1536         bss->hs20_connection_capability_len += 4;
1537
1538         return 0;
1539 }
1540
1541
1542 static int hs20_parse_wan_metrics(struct hostapd_bss_config *bss, char *buf,
1543                                   int line)
1544 {
1545         u8 *wan_metrics;
1546         char *pos;
1547
1548         /* <WAN Info>:<DL Speed>:<UL Speed>:<DL Load>:<UL Load>:<LMD> */
1549
1550         wan_metrics = os_zalloc(13);
1551         if (wan_metrics == NULL)
1552                 return -1;
1553
1554         pos = buf;
1555         /* WAN Info */
1556         if (hexstr2bin(pos, wan_metrics, 1) < 0)
1557                 goto fail;
1558         pos += 2;
1559         if (*pos != ':')
1560                 goto fail;
1561         pos++;
1562
1563         /* Downlink Speed */
1564         WPA_PUT_LE32(wan_metrics + 1, atoi(pos));
1565         pos = os_strchr(pos, ':');
1566         if (pos == NULL)
1567                 goto fail;
1568         pos++;
1569
1570         /* Uplink Speed */
1571         WPA_PUT_LE32(wan_metrics + 5, atoi(pos));
1572         pos = os_strchr(pos, ':');
1573         if (pos == NULL)
1574                 goto fail;
1575         pos++;
1576
1577         /* Downlink Load */
1578         wan_metrics[9] = atoi(pos);
1579         pos = os_strchr(pos, ':');
1580         if (pos == NULL)
1581                 goto fail;
1582         pos++;
1583
1584         /* Uplink Load */
1585         wan_metrics[10] = atoi(pos);
1586         pos = os_strchr(pos, ':');
1587         if (pos == NULL)
1588                 goto fail;
1589         pos++;
1590
1591         /* LMD */
1592         WPA_PUT_LE16(wan_metrics + 11, atoi(pos));
1593
1594         os_free(bss->hs20_wan_metrics);
1595         bss->hs20_wan_metrics = wan_metrics;
1596
1597         return 0;
1598
1599 fail:
1600         wpa_printf(MSG_ERROR, "Line %d: Invalid hs20_wan_metrics '%s'",
1601                    line, pos);
1602         os_free(wan_metrics);
1603         return -1;
1604 }
1605
1606
1607 static int hs20_parse_oper_friendly_name(struct hostapd_bss_config *bss,
1608                                          char *pos, int line)
1609 {
1610         if (parse_lang_string(&bss->hs20_oper_friendly_name,
1611                               &bss->hs20_oper_friendly_name_count, pos)) {
1612                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1613                            "hs20_oper_friendly_name '%s'", line, pos);
1614                 return -1;
1615         }
1616         return 0;
1617 }
1618
1619
1620 static int hs20_parse_icon(struct hostapd_bss_config *bss, char *pos)
1621 {
1622         struct hs20_icon *icon;
1623         char *end;
1624
1625         icon = os_realloc_array(bss->hs20_icons, bss->hs20_icons_count + 1,
1626                                 sizeof(struct hs20_icon));
1627         if (icon == NULL)
1628                 return -1;
1629         bss->hs20_icons = icon;
1630         icon = &bss->hs20_icons[bss->hs20_icons_count];
1631         os_memset(icon, 0, sizeof(*icon));
1632
1633         icon->width = atoi(pos);
1634         pos = os_strchr(pos, ':');
1635         if (pos == NULL)
1636                 return -1;
1637         pos++;
1638
1639         icon->height = atoi(pos);
1640         pos = os_strchr(pos, ':');
1641         if (pos == NULL)
1642                 return -1;
1643         pos++;
1644
1645         end = os_strchr(pos, ':');
1646         if (end == NULL || end - pos > 3)
1647                 return -1;
1648         os_memcpy(icon->language, pos, end - pos);
1649         pos = end + 1;
1650
1651         end = os_strchr(pos, ':');
1652         if (end == NULL || end - pos > 255)
1653                 return -1;
1654         os_memcpy(icon->type, pos, end - pos);
1655         pos = end + 1;
1656
1657         end = os_strchr(pos, ':');
1658         if (end == NULL || end - pos > 255)
1659                 return -1;
1660         os_memcpy(icon->name, pos, end - pos);
1661         pos = end + 1;
1662
1663         if (os_strlen(pos) > 255)
1664                 return -1;
1665         os_memcpy(icon->file, pos, os_strlen(pos));
1666
1667         bss->hs20_icons_count++;
1668
1669         return 0;
1670 }
1671
1672
1673 static int hs20_parse_osu_ssid(struct hostapd_bss_config *bss,
1674                                char *pos, int line)
1675 {
1676         size_t slen;
1677         char *str;
1678
1679         str = wpa_config_parse_string(pos, &slen);
1680         if (str == NULL || slen < 1 || slen > HOSTAPD_MAX_SSID_LEN) {
1681                 wpa_printf(MSG_ERROR, "Line %d: Invalid SSID '%s'", line, pos);
1682                 return -1;
1683         }
1684
1685         os_memcpy(bss->osu_ssid, str, slen);
1686         bss->osu_ssid_len = slen;
1687         os_free(str);
1688
1689         return 0;
1690 }
1691
1692
1693 static int hs20_parse_osu_server_uri(struct hostapd_bss_config *bss,
1694                                      char *pos, int line)
1695 {
1696         struct hs20_osu_provider *p;
1697
1698         p = os_realloc_array(bss->hs20_osu_providers,
1699                              bss->hs20_osu_providers_count + 1, sizeof(*p));
1700         if (p == NULL)
1701                 return -1;
1702
1703         bss->hs20_osu_providers = p;
1704         bss->last_osu = &bss->hs20_osu_providers[bss->hs20_osu_providers_count];
1705         bss->hs20_osu_providers_count++;
1706         os_memset(bss->last_osu, 0, sizeof(*p));
1707         bss->last_osu->server_uri = os_strdup(pos);
1708
1709         return 0;
1710 }
1711
1712
1713 static int hs20_parse_osu_friendly_name(struct hostapd_bss_config *bss,
1714                                         char *pos, int line)
1715 {
1716         if (bss->last_osu == NULL) {
1717                 wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
1718                 return -1;
1719         }
1720
1721         if (parse_lang_string(&bss->last_osu->friendly_name,
1722                               &bss->last_osu->friendly_name_count, pos)) {
1723                 wpa_printf(MSG_ERROR, "Line %d: Invalid osu_friendly_name '%s'",
1724                            line, pos);
1725                 return -1;
1726         }
1727
1728         return 0;
1729 }
1730
1731
1732 static int hs20_parse_osu_nai(struct hostapd_bss_config *bss,
1733                               char *pos, int line)
1734 {
1735         if (bss->last_osu == NULL) {
1736                 wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
1737                 return -1;
1738         }
1739
1740         os_free(bss->last_osu->osu_nai);
1741         bss->last_osu->osu_nai = os_strdup(pos);
1742         if (bss->last_osu->osu_nai == NULL)
1743                 return -1;
1744
1745         return 0;
1746 }
1747
1748
1749 static int hs20_parse_osu_method_list(struct hostapd_bss_config *bss, char *pos,
1750                                       int line)
1751 {
1752         if (bss->last_osu == NULL) {
1753                 wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
1754                 return -1;
1755         }
1756
1757         if (hostapd_parse_intlist(&bss->last_osu->method_list, pos)) {
1758                 wpa_printf(MSG_ERROR, "Line %d: Invalid osu_method_list", line);
1759                 return -1;
1760         }
1761
1762         return 0;
1763 }
1764
1765
1766 static int hs20_parse_osu_icon(struct hostapd_bss_config *bss, char *pos,
1767                                int line)
1768 {
1769         char **n;
1770         struct hs20_osu_provider *p = bss->last_osu;
1771
1772         if (p == NULL) {
1773                 wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
1774                 return -1;
1775         }
1776
1777         n = os_realloc_array(p->icons, p->icons_count + 1, sizeof(char *));
1778         if (n == NULL)
1779                 return -1;
1780         p->icons = n;
1781         p->icons[p->icons_count] = os_strdup(pos);
1782         if (p->icons[p->icons_count] == NULL)
1783                 return -1;
1784         p->icons_count++;
1785
1786         return 0;
1787 }
1788
1789
1790 static int hs20_parse_osu_service_desc(struct hostapd_bss_config *bss,
1791                                        char *pos, int line)
1792 {
1793         if (bss->last_osu == NULL) {
1794                 wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
1795                 return -1;
1796         }
1797
1798         if (parse_lang_string(&bss->last_osu->service_desc,
1799                               &bss->last_osu->service_desc_count, pos)) {
1800                 wpa_printf(MSG_ERROR, "Line %d: Invalid osu_service_desc '%s'",
1801                            line, pos);
1802                 return -1;
1803         }
1804
1805         return 0;
1806 }
1807
1808 #endif /* CONFIG_HS20 */
1809
1810
1811 #ifdef CONFIG_WPS_NFC
1812 static struct wpabuf * hostapd_parse_bin(const char *buf)
1813 {
1814         size_t len;
1815         struct wpabuf *ret;
1816
1817         len = os_strlen(buf);
1818         if (len & 0x01)
1819                 return NULL;
1820         len /= 2;
1821
1822         ret = wpabuf_alloc(len);
1823         if (ret == NULL)
1824                 return NULL;
1825
1826         if (hexstr2bin(buf, wpabuf_put(ret, len), len)) {
1827                 wpabuf_free(ret);
1828                 return NULL;
1829         }
1830
1831         return ret;
1832 }
1833 #endif /* CONFIG_WPS_NFC */
1834
1835
1836 static int hostapd_config_fill(struct hostapd_config *conf,
1837                                struct hostapd_bss_config *bss,
1838                                char *buf, char *pos, int line)
1839 {
1840         int errors = 0;
1841
1842         if (os_strcmp(buf, "interface") == 0) {
1843                 os_strlcpy(conf->bss[0]->iface, pos,
1844                            sizeof(conf->bss[0]->iface));
1845         } else if (os_strcmp(buf, "bridge") == 0) {
1846                 os_strlcpy(bss->bridge, pos, sizeof(bss->bridge));
1847         } else if (os_strcmp(buf, "vlan_bridge") == 0) {
1848                 os_strlcpy(bss->vlan_bridge, pos, sizeof(bss->vlan_bridge));
1849         } else if (os_strcmp(buf, "wds_bridge") == 0) {
1850                 os_strlcpy(bss->wds_bridge, pos, sizeof(bss->wds_bridge));
1851         } else if (os_strcmp(buf, "driver") == 0) {
1852                 int j;
1853                 /* clear to get error below if setting is invalid */
1854                 conf->driver = NULL;
1855                 for (j = 0; wpa_drivers[j]; j++) {
1856                         if (os_strcmp(pos, wpa_drivers[j]->name) == 0) {
1857                                 conf->driver = wpa_drivers[j];
1858                                 break;
1859                         }
1860                 }
1861                 if (conf->driver == NULL) {
1862                         wpa_printf(MSG_ERROR,
1863                                    "Line %d: invalid/unknown driver '%s'",
1864                                    line, pos);
1865                         errors++;
1866                 }
1867         } else if (os_strcmp(buf, "debug") == 0) {
1868                 wpa_printf(MSG_DEBUG, "Line %d: DEPRECATED: 'debug' configuration variable is not used anymore",
1869                            line);
1870         } else if (os_strcmp(buf, "logger_syslog_level") == 0) {
1871                 bss->logger_syslog_level = atoi(pos);
1872         } else if (os_strcmp(buf, "logger_stdout_level") == 0) {
1873                 bss->logger_stdout_level = atoi(pos);
1874         } else if (os_strcmp(buf, "logger_syslog") == 0) {
1875                 bss->logger_syslog = atoi(pos);
1876         } else if (os_strcmp(buf, "logger_stdout") == 0) {
1877                 bss->logger_stdout = atoi(pos);
1878         } else if (os_strcmp(buf, "dump_file") == 0) {
1879                 wpa_printf(MSG_INFO, "Line %d: DEPRECATED: 'dump_file' configuration variable is not used anymore",
1880                            line);
1881         } else if (os_strcmp(buf, "ssid") == 0) {
1882                 bss->ssid.ssid_len = os_strlen(pos);
1883                 if (bss->ssid.ssid_len > HOSTAPD_MAX_SSID_LEN ||
1884                     bss->ssid.ssid_len < 1) {
1885                         wpa_printf(MSG_ERROR, "Line %d: invalid SSID '%s'",
1886                                    line, pos);
1887                         errors++;
1888                 } else {
1889                         os_memcpy(bss->ssid.ssid, pos, bss->ssid.ssid_len);
1890                         bss->ssid.ssid_set = 1;
1891                 }
1892         } else if (os_strcmp(buf, "ssid2") == 0) {
1893                 size_t slen;
1894                 char *str = wpa_config_parse_string(pos, &slen);
1895                 if (str == NULL || slen < 1 || slen > HOSTAPD_MAX_SSID_LEN) {
1896                         wpa_printf(MSG_ERROR, "Line %d: invalid SSID '%s'",
1897                                    line, pos);
1898                         errors++;
1899                 } else {
1900                         os_memcpy(bss->ssid.ssid, str, slen);
1901                         bss->ssid.ssid_len = slen;
1902                         bss->ssid.ssid_set = 1;
1903                 }
1904                 os_free(str);
1905         } else if (os_strcmp(buf, "utf8_ssid") == 0) {
1906                 bss->ssid.utf8_ssid = atoi(pos) > 0;
1907         } else if (os_strcmp(buf, "macaddr_acl") == 0) {
1908                 bss->macaddr_acl = atoi(pos);
1909                 if (bss->macaddr_acl != ACCEPT_UNLESS_DENIED &&
1910                     bss->macaddr_acl != DENY_UNLESS_ACCEPTED &&
1911                     bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
1912                         wpa_printf(MSG_ERROR, "Line %d: unknown macaddr_acl %d",
1913                                    line, bss->macaddr_acl);
1914                 }
1915         } else if (os_strcmp(buf, "accept_mac_file") == 0) {
1916                 if (hostapd_config_read_maclist(pos, &bss->accept_mac,
1917                                                 &bss->num_accept_mac)) {
1918                         wpa_printf(MSG_ERROR, "Line %d: Failed to read accept_mac_file '%s'",
1919                                    line, pos);
1920                         errors++;
1921                 }
1922         } else if (os_strcmp(buf, "deny_mac_file") == 0) {
1923                 if (hostapd_config_read_maclist(pos, &bss->deny_mac,
1924                                                 &bss->num_deny_mac)) {
1925                         wpa_printf(MSG_ERROR, "Line %d: Failed to read deny_mac_file '%s'",
1926                                    line, pos);
1927                         errors++;
1928                 }
1929         } else if (os_strcmp(buf, "wds_sta") == 0) {
1930                 bss->wds_sta = atoi(pos);
1931         } else if (os_strcmp(buf, "start_disabled") == 0) {
1932                 bss->start_disabled = atoi(pos);
1933         } else if (os_strcmp(buf, "ap_isolate") == 0) {
1934                 bss->isolate = atoi(pos);
1935         } else if (os_strcmp(buf, "ap_max_inactivity") == 0) {
1936                 bss->ap_max_inactivity = atoi(pos);
1937         } else if (os_strcmp(buf, "skip_inactivity_poll") == 0) {
1938                 bss->skip_inactivity_poll = atoi(pos);
1939         } else if (os_strcmp(buf, "country_code") == 0) {
1940                 os_memcpy(conf->country, pos, 2);
1941                 /* FIX: make this configurable */
1942                 conf->country[2] = ' ';
1943         } else if (os_strcmp(buf, "ieee80211d") == 0) {
1944                 conf->ieee80211d = atoi(pos);
1945         } else if (os_strcmp(buf, "ieee80211h") == 0) {
1946                 conf->ieee80211h = atoi(pos);
1947         } else if (os_strcmp(buf, "ieee8021x") == 0) {
1948                 bss->ieee802_1x = atoi(pos);
1949         } else if (os_strcmp(buf, "eapol_version") == 0) {
1950                 bss->eapol_version = atoi(pos);
1951                 if (bss->eapol_version < 1 || bss->eapol_version > 2) {
1952                         wpa_printf(MSG_ERROR,
1953                                    "Line %d: invalid EAPOL version (%d): '%s'.",
1954                                    line, bss->eapol_version, pos);
1955                         errors++;
1956                 } else
1957                         wpa_printf(MSG_DEBUG, "eapol_version=%d",
1958                                    bss->eapol_version);
1959 #ifdef EAP_SERVER
1960         } else if (os_strcmp(buf, "eap_authenticator") == 0) {
1961                 bss->eap_server = atoi(pos);
1962                 wpa_printf(MSG_ERROR, "Line %d: obsolete eap_authenticator used; this has been renamed to eap_server", line);
1963         } else if (os_strcmp(buf, "eap_server") == 0) {
1964                 bss->eap_server = atoi(pos);
1965         } else if (os_strcmp(buf, "eap_user_file") == 0) {
1966                 if (hostapd_config_read_eap_user(pos, bss))
1967                         errors++;
1968         } else if (os_strcmp(buf, "ca_cert") == 0) {
1969                 os_free(bss->ca_cert);
1970                 bss->ca_cert = os_strdup(pos);
1971         } else if (os_strcmp(buf, "server_cert") == 0) {
1972                 os_free(bss->server_cert);
1973                 bss->server_cert = os_strdup(pos);
1974         } else if (os_strcmp(buf, "private_key") == 0) {
1975                 os_free(bss->private_key);
1976                 bss->private_key = os_strdup(pos);
1977         } else if (os_strcmp(buf, "private_key_passwd") == 0) {
1978                 os_free(bss->private_key_passwd);
1979                 bss->private_key_passwd = os_strdup(pos);
1980         } else if (os_strcmp(buf, "check_crl") == 0) {
1981                 bss->check_crl = atoi(pos);
1982         } else if (os_strcmp(buf, "ocsp_stapling_response") == 0) {
1983                 os_free(bss->ocsp_stapling_response);
1984                 bss->ocsp_stapling_response = os_strdup(pos);
1985         } else if (os_strcmp(buf, "dh_file") == 0) {
1986                 os_free(bss->dh_file);
1987                 bss->dh_file = os_strdup(pos);
1988         } else if (os_strcmp(buf, "fragment_size") == 0) {
1989                 bss->fragment_size = atoi(pos);
1990 #ifdef EAP_SERVER_FAST
1991         } else if (os_strcmp(buf, "pac_opaque_encr_key") == 0) {
1992                 os_free(bss->pac_opaque_encr_key);
1993                 bss->pac_opaque_encr_key = os_malloc(16);
1994                 if (bss->pac_opaque_encr_key == NULL) {
1995                         wpa_printf(MSG_ERROR,
1996                                    "Line %d: No memory for pac_opaque_encr_key",
1997                                    line);
1998                         errors++;
1999                 } else if (hexstr2bin(pos, bss->pac_opaque_encr_key, 16)) {
2000                         wpa_printf(MSG_ERROR, "Line %d: Invalid pac_opaque_encr_key",
2001                                    line);
2002                         errors++;
2003                 }
2004         } else if (os_strcmp(buf, "eap_fast_a_id") == 0) {
2005                 size_t idlen = os_strlen(pos);
2006                 if (idlen & 1) {
2007                         wpa_printf(MSG_ERROR, "Line %d: Invalid eap_fast_a_id",
2008                                    line);
2009                         errors++;
2010                 } else {
2011                         os_free(bss->eap_fast_a_id);
2012                         bss->eap_fast_a_id = os_malloc(idlen / 2);
2013                         if (bss->eap_fast_a_id == NULL ||
2014                             hexstr2bin(pos, bss->eap_fast_a_id, idlen / 2)) {
2015                                 wpa_printf(MSG_ERROR, "Line %d: Failed to parse eap_fast_a_id",
2016                                            line);
2017                                 errors++;
2018                         } else
2019                                 bss->eap_fast_a_id_len = idlen / 2;
2020                 }
2021         } else if (os_strcmp(buf, "eap_fast_a_id_info") == 0) {
2022                 os_free(bss->eap_fast_a_id_info);
2023                 bss->eap_fast_a_id_info = os_strdup(pos);
2024         } else if (os_strcmp(buf, "eap_fast_prov") == 0) {
2025                 bss->eap_fast_prov = atoi(pos);
2026         } else if (os_strcmp(buf, "pac_key_lifetime") == 0) {
2027                 bss->pac_key_lifetime = atoi(pos);
2028         } else if (os_strcmp(buf, "pac_key_refresh_time") == 0) {
2029                 bss->pac_key_refresh_time = atoi(pos);
2030 #endif /* EAP_SERVER_FAST */
2031 #ifdef EAP_SERVER_SIM
2032         } else if (os_strcmp(buf, "eap_sim_db") == 0) {
2033                 os_free(bss->eap_sim_db);
2034                 bss->eap_sim_db = os_strdup(pos);
2035         } else if (os_strcmp(buf, "eap_sim_aka_result_ind") == 0) {
2036                 bss->eap_sim_aka_result_ind = atoi(pos);
2037 #endif /* EAP_SERVER_SIM */
2038 #ifdef EAP_SERVER_TNC
2039         } else if (os_strcmp(buf, "tnc") == 0) {
2040                 bss->tnc = atoi(pos);
2041 #endif /* EAP_SERVER_TNC */
2042 #ifdef EAP_SERVER_PWD
2043         } else if (os_strcmp(buf, "pwd_group") == 0) {
2044                 bss->pwd_group = atoi(pos);
2045 #endif /* EAP_SERVER_PWD */
2046 #endif /* EAP_SERVER */
2047         } else if (os_strcmp(buf, "eap_message") == 0) {
2048                 char *term;
2049                 bss->eap_req_id_text = os_strdup(pos);
2050                 if (bss->eap_req_id_text == NULL) {
2051                         wpa_printf(MSG_ERROR, "Line %d: Failed to allocate memory for eap_req_id_text",
2052                                    line);
2053                         errors++;
2054                         return errors;
2055                 }
2056                 bss->eap_req_id_text_len = os_strlen(bss->eap_req_id_text);
2057                 term = os_strstr(bss->eap_req_id_text, "\\0");
2058                 if (term) {
2059                         *term++ = '\0';
2060                         os_memmove(term, term + 1,
2061                                    bss->eap_req_id_text_len -
2062                                    (term - bss->eap_req_id_text) - 1);
2063                         bss->eap_req_id_text_len--;
2064                 }
2065         } else if (os_strcmp(buf, "wep_key_len_broadcast") == 0) {
2066                 bss->default_wep_key_len = atoi(pos);
2067                 if (bss->default_wep_key_len > 13) {
2068                         wpa_printf(MSG_ERROR, "Line %d: invalid WEP key len %lu (= %lu bits)",
2069                                    line,
2070                                    (unsigned long) bss->default_wep_key_len,
2071                                    (unsigned long)
2072                                    bss->default_wep_key_len * 8);
2073                         errors++;
2074                 }
2075         } else if (os_strcmp(buf, "wep_key_len_unicast") == 0) {
2076                 bss->individual_wep_key_len = atoi(pos);
2077                 if (bss->individual_wep_key_len < 0 ||
2078                     bss->individual_wep_key_len > 13) {
2079                         wpa_printf(MSG_ERROR, "Line %d: invalid WEP key len %d (= %d bits)",
2080                                    line, bss->individual_wep_key_len,
2081                                    bss->individual_wep_key_len * 8);
2082                         errors++;
2083                 }
2084         } else if (os_strcmp(buf, "wep_rekey_period") == 0) {
2085                 bss->wep_rekeying_period = atoi(pos);
2086                 if (bss->wep_rekeying_period < 0) {
2087                         wpa_printf(MSG_ERROR, "Line %d: invalid period %d",
2088                                    line, bss->wep_rekeying_period);
2089                         errors++;
2090                 }
2091         } else if (os_strcmp(buf, "eap_reauth_period") == 0) {
2092                 bss->eap_reauth_period = atoi(pos);
2093                 if (bss->eap_reauth_period < 0) {
2094                         wpa_printf(MSG_ERROR, "Line %d: invalid period %d",
2095                                    line, bss->eap_reauth_period);
2096                         errors++;
2097                 }
2098         } else if (os_strcmp(buf, "eapol_key_index_workaround") == 0) {
2099                 bss->eapol_key_index_workaround = atoi(pos);
2100 #ifdef CONFIG_IAPP
2101         } else if (os_strcmp(buf, "iapp_interface") == 0) {
2102                 bss->ieee802_11f = 1;
2103                 os_strlcpy(bss->iapp_iface, pos, sizeof(bss->iapp_iface));
2104 #endif /* CONFIG_IAPP */
2105         } else if (os_strcmp(buf, "own_ip_addr") == 0) {
2106                 if (hostapd_parse_ip_addr(pos, &bss->own_ip_addr)) {
2107                         wpa_printf(MSG_ERROR,
2108                                    "Line %d: invalid IP address '%s'",
2109                                    line, pos);
2110                         errors++;
2111                 }
2112         } else if (os_strcmp(buf, "nas_identifier") == 0) {
2113                 bss->nas_identifier = os_strdup(pos);
2114 #ifndef CONFIG_NO_RADIUS
2115         } else if (os_strcmp(buf, "auth_server_addr") == 0) {
2116                 if (hostapd_config_read_radius_addr(
2117                             &bss->radius->auth_servers,
2118                             &bss->radius->num_auth_servers, pos, 1812,
2119                             &bss->radius->auth_server)) {
2120                         wpa_printf(MSG_ERROR,
2121                                    "Line %d: invalid IP address '%s'",
2122                                    line, pos);
2123                         errors++;
2124                 }
2125         } else if (bss->radius->auth_server &&
2126                    os_strcmp(buf, "auth_server_port") == 0) {
2127                 bss->radius->auth_server->port = atoi(pos);
2128         } else if (bss->radius->auth_server &&
2129                    os_strcmp(buf, "auth_server_shared_secret") == 0) {
2130                 int len = os_strlen(pos);
2131                 if (len == 0) {
2132                         /* RFC 2865, Ch. 3 */
2133                         wpa_printf(MSG_ERROR, "Line %d: empty shared secret is not allowed",
2134                                    line);
2135                         errors++;
2136                 }
2137                 bss->radius->auth_server->shared_secret = (u8 *) os_strdup(pos);
2138                 bss->radius->auth_server->shared_secret_len = len;
2139         } else if (os_strcmp(buf, "acct_server_addr") == 0) {
2140                 if (hostapd_config_read_radius_addr(
2141                             &bss->radius->acct_servers,
2142                             &bss->radius->num_acct_servers, pos, 1813,
2143                             &bss->radius->acct_server)) {
2144                         wpa_printf(MSG_ERROR,
2145                                    "Line %d: invalid IP address '%s'",
2146                                    line, pos);
2147                         errors++;
2148                 }
2149         } else if (bss->radius->acct_server &&
2150                    os_strcmp(buf, "acct_server_port") == 0) {
2151                 bss->radius->acct_server->port = atoi(pos);
2152         } else if (bss->radius->acct_server &&
2153                    os_strcmp(buf, "acct_server_shared_secret") == 0) {
2154                 int len = os_strlen(pos);
2155                 if (len == 0) {
2156                         /* RFC 2865, Ch. 3 */
2157                         wpa_printf(MSG_ERROR, "Line %d: empty shared secret is not allowed",
2158                                    line);
2159                         errors++;
2160                 }
2161                 bss->radius->acct_server->shared_secret = (u8 *) os_strdup(pos);
2162                 bss->radius->acct_server->shared_secret_len = len;
2163         } else if (os_strcmp(buf, "radius_retry_primary_interval") == 0) {
2164                 bss->radius->retry_primary_interval = atoi(pos);
2165         } else if (os_strcmp(buf, "radius_acct_interim_interval") == 0) {
2166                 bss->acct_interim_interval = atoi(pos);
2167         } else if (os_strcmp(buf, "radius_request_cui") == 0) {
2168                 bss->radius_request_cui = atoi(pos);
2169         } else if (os_strcmp(buf, "radius_auth_req_attr") == 0) {
2170                 struct hostapd_radius_attr *attr, *a;
2171                 attr = hostapd_parse_radius_attr(pos);
2172                 if (attr == NULL) {
2173                         wpa_printf(MSG_ERROR,
2174                                    "Line %d: invalid radius_auth_req_attr",
2175                                    line);
2176                         errors++;
2177                 } else if (bss->radius_auth_req_attr == NULL) {
2178                         bss->radius_auth_req_attr = attr;
2179                 } else {
2180                         a = bss->radius_auth_req_attr;
2181                         while (a->next)
2182                                 a = a->next;
2183                         a->next = attr;
2184                 }
2185         } else if (os_strcmp(buf, "radius_acct_req_attr") == 0) {
2186                 struct hostapd_radius_attr *attr, *a;
2187                 attr = hostapd_parse_radius_attr(pos);
2188                 if (attr == NULL) {
2189                         wpa_printf(MSG_ERROR,
2190                                    "Line %d: invalid radius_acct_req_attr",
2191                                    line);
2192                         errors++;
2193                 } else if (bss->radius_acct_req_attr == NULL) {
2194                         bss->radius_acct_req_attr = attr;
2195                 } else {
2196                         a = bss->radius_acct_req_attr;
2197                         while (a->next)
2198                                 a = a->next;
2199                         a->next = attr;
2200                 }
2201         } else if (os_strcmp(buf, "radius_das_port") == 0) {
2202                 bss->radius_das_port = atoi(pos);
2203         } else if (os_strcmp(buf, "radius_das_client") == 0) {
2204                 if (hostapd_parse_das_client(bss, pos) < 0) {
2205                         wpa_printf(MSG_ERROR, "Line %d: invalid DAS client",
2206                                    line);
2207                         errors++;
2208                 }
2209         } else if (os_strcmp(buf, "radius_das_time_window") == 0) {
2210                 bss->radius_das_time_window = atoi(pos);
2211         } else if (os_strcmp(buf, "radius_das_require_event_timestamp") == 0) {
2212                 bss->radius_das_require_event_timestamp = atoi(pos);
2213 #endif /* CONFIG_NO_RADIUS */
2214         } else if (os_strcmp(buf, "auth_algs") == 0) {
2215                 bss->auth_algs = atoi(pos);
2216                 if (bss->auth_algs == 0) {
2217                         wpa_printf(MSG_ERROR, "Line %d: no authentication algorithms allowed",
2218                                    line);
2219                         errors++;
2220                 }
2221         } else if (os_strcmp(buf, "max_num_sta") == 0) {
2222                 bss->max_num_sta = atoi(pos);
2223                 if (bss->max_num_sta < 0 ||
2224                     bss->max_num_sta > MAX_STA_COUNT) {
2225                         wpa_printf(MSG_ERROR, "Line %d: Invalid max_num_sta=%d; allowed range 0..%d",
2226                                    line, bss->max_num_sta, MAX_STA_COUNT);
2227                         errors++;
2228                 }
2229         } else if (os_strcmp(buf, "wpa") == 0) {
2230                 bss->wpa = atoi(pos);
2231         } else if (os_strcmp(buf, "wpa_group_rekey") == 0) {
2232                 bss->wpa_group_rekey = atoi(pos);
2233         } else if (os_strcmp(buf, "wpa_strict_rekey") == 0) {
2234                 bss->wpa_strict_rekey = atoi(pos);
2235         } else if (os_strcmp(buf, "wpa_gmk_rekey") == 0) {
2236                 bss->wpa_gmk_rekey = atoi(pos);
2237         } else if (os_strcmp(buf, "wpa_ptk_rekey") == 0) {
2238                 bss->wpa_ptk_rekey = atoi(pos);
2239         } else if (os_strcmp(buf, "wpa_passphrase") == 0) {
2240                 int len = os_strlen(pos);
2241                 if (len < 8 || len > 63) {
2242                         wpa_printf(MSG_ERROR, "Line %d: invalid WPA passphrase length %d (expected 8..63)",
2243                                    line, len);
2244                         errors++;
2245                 } else {
2246                         os_free(bss->ssid.wpa_passphrase);
2247                         bss->ssid.wpa_passphrase = os_strdup(pos);
2248                         if (bss->ssid.wpa_passphrase) {
2249                                 os_free(bss->ssid.wpa_psk);
2250                                 bss->ssid.wpa_psk = NULL;
2251                                 bss->ssid.wpa_passphrase_set = 1;
2252                         }
2253                 }
2254         } else if (os_strcmp(buf, "wpa_psk") == 0) {
2255                 os_free(bss->ssid.wpa_psk);
2256                 bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
2257                 if (bss->ssid.wpa_psk == NULL)
2258                         errors++;
2259                 else if (hexstr2bin(pos, bss->ssid.wpa_psk->psk, PMK_LEN) ||
2260                          pos[PMK_LEN * 2] != '\0') {
2261                         wpa_printf(MSG_ERROR, "Line %d: Invalid PSK '%s'.",
2262                                    line, pos);
2263                         errors++;
2264                 } else {
2265                         bss->ssid.wpa_psk->group = 1;
2266                         os_free(bss->ssid.wpa_passphrase);
2267                         bss->ssid.wpa_passphrase = NULL;
2268                         bss->ssid.wpa_psk_set = 1;
2269                 }
2270         } else if (os_strcmp(buf, "wpa_psk_file") == 0) {
2271                 os_free(bss->ssid.wpa_psk_file);
2272                 bss->ssid.wpa_psk_file = os_strdup(pos);
2273                 if (!bss->ssid.wpa_psk_file) {
2274                         wpa_printf(MSG_ERROR, "Line %d: allocation failed",
2275                                    line);
2276                         errors++;
2277                 }
2278         } else if (os_strcmp(buf, "wpa_key_mgmt") == 0) {
2279                 bss->wpa_key_mgmt = hostapd_config_parse_key_mgmt(line, pos);
2280                 if (bss->wpa_key_mgmt == -1)
2281                         errors++;
2282         } else if (os_strcmp(buf, "wpa_psk_radius") == 0) {
2283                 bss->wpa_psk_radius = atoi(pos);
2284                 if (bss->wpa_psk_radius != PSK_RADIUS_IGNORED &&
2285                     bss->wpa_psk_radius != PSK_RADIUS_ACCEPTED &&
2286                     bss->wpa_psk_radius != PSK_RADIUS_REQUIRED) {
2287                         wpa_printf(MSG_ERROR,
2288                                    "Line %d: unknown wpa_psk_radius %d",
2289                                    line, bss->wpa_psk_radius);
2290                         errors++;
2291                 }
2292         } else if (os_strcmp(buf, "wpa_pairwise") == 0) {
2293                 bss->wpa_pairwise = hostapd_config_parse_cipher(line, pos);
2294                 if (bss->wpa_pairwise == -1 || bss->wpa_pairwise == 0)
2295                         errors++;
2296                 else if (bss->wpa_pairwise &
2297                          (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
2298                           WPA_CIPHER_WEP104)) {
2299                         wpa_printf(MSG_ERROR, "Line %d: unsupported pairwise cipher suite '%s'",
2300                                    bss->wpa_pairwise, pos);
2301                         errors++;
2302                 }
2303         } else if (os_strcmp(buf, "rsn_pairwise") == 0) {
2304                 bss->rsn_pairwise = hostapd_config_parse_cipher(line, pos);
2305                 if (bss->rsn_pairwise == -1 || bss->rsn_pairwise == 0)
2306                         errors++;
2307                 else if (bss->rsn_pairwise &
2308                          (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
2309                           WPA_CIPHER_WEP104)) {
2310                         wpa_printf(MSG_ERROR, "Line %d: unsupported pairwise cipher suite '%s'",
2311                                    bss->rsn_pairwise, pos);
2312                         errors++;
2313                 }
2314 #ifdef CONFIG_RSN_PREAUTH
2315         } else if (os_strcmp(buf, "rsn_preauth") == 0) {
2316                 bss->rsn_preauth = atoi(pos);
2317         } else if (os_strcmp(buf, "rsn_preauth_interfaces") == 0) {
2318                 bss->rsn_preauth_interfaces = os_strdup(pos);
2319 #endif /* CONFIG_RSN_PREAUTH */
2320 #ifdef CONFIG_PEERKEY
2321         } else if (os_strcmp(buf, "peerkey") == 0) {
2322                 bss->peerkey = atoi(pos);
2323 #endif /* CONFIG_PEERKEY */
2324 #ifdef CONFIG_IEEE80211R
2325         } else if (os_strcmp(buf, "mobility_domain") == 0) {
2326                 if (os_strlen(pos) != 2 * MOBILITY_DOMAIN_ID_LEN ||
2327                     hexstr2bin(pos, bss->mobility_domain,
2328                                MOBILITY_DOMAIN_ID_LEN) != 0) {
2329                         wpa_printf(MSG_ERROR,
2330                                    "Line %d: Invalid mobility_domain '%s'",
2331                                    line, pos);
2332                         errors++;
2333                         return errors;
2334                 }
2335         } else if (os_strcmp(buf, "r1_key_holder") == 0) {
2336                 if (os_strlen(pos) != 2 * FT_R1KH_ID_LEN ||
2337                     hexstr2bin(pos, bss->r1_key_holder, FT_R1KH_ID_LEN) != 0) {
2338                         wpa_printf(MSG_ERROR,
2339                                    "Line %d: Invalid r1_key_holder '%s'",
2340                                    line, pos);
2341                         errors++;
2342                         return errors;
2343                 }
2344         } else if (os_strcmp(buf, "r0_key_lifetime") == 0) {
2345                 bss->r0_key_lifetime = atoi(pos);
2346         } else if (os_strcmp(buf, "reassociation_deadline") == 0) {
2347                 bss->reassociation_deadline = atoi(pos);
2348         } else if (os_strcmp(buf, "r0kh") == 0) {
2349                 if (add_r0kh(bss, pos) < 0) {
2350                         wpa_printf(MSG_DEBUG, "Line %d: Invalid r0kh '%s'",
2351                                    line, pos);
2352                         errors++;
2353                         return errors;
2354                 }
2355         } else if (os_strcmp(buf, "r1kh") == 0) {
2356                 if (add_r1kh(bss, pos) < 0) {
2357                         wpa_printf(MSG_DEBUG, "Line %d: Invalid r1kh '%s'",
2358                                    line, pos);
2359                         errors++;
2360                         return errors;
2361                 }
2362         } else if (os_strcmp(buf, "pmk_r1_push") == 0) {
2363                 bss->pmk_r1_push = atoi(pos);
2364         } else if (os_strcmp(buf, "ft_over_ds") == 0) {
2365                 bss->ft_over_ds = atoi(pos);
2366 #endif /* CONFIG_IEEE80211R */
2367 #ifndef CONFIG_NO_CTRL_IFACE
2368         } else if (os_strcmp(buf, "ctrl_interface") == 0) {
2369                 os_free(bss->ctrl_interface);
2370                 bss->ctrl_interface = os_strdup(pos);
2371         } else if (os_strcmp(buf, "ctrl_interface_group") == 0) {
2372 #ifndef CONFIG_NATIVE_WINDOWS
2373                 struct group *grp;
2374                 char *endp;
2375                 const char *group = pos;
2376
2377                 grp = getgrnam(group);
2378                 if (grp) {
2379                         bss->ctrl_interface_gid = grp->gr_gid;
2380                         bss->ctrl_interface_gid_set = 1;
2381                         wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d (from group name '%s')",
2382                                    bss->ctrl_interface_gid, group);
2383                         return 0;
2384                 }
2385
2386                 /* Group name not found - try to parse this as gid */
2387                 bss->ctrl_interface_gid = strtol(group, &endp, 10);
2388                 if (*group == '\0' || *endp != '\0') {
2389                         wpa_printf(MSG_DEBUG, "Line %d: Invalid group '%s'",
2390                                    line, group);
2391                         return 1;
2392                 }
2393                 bss->ctrl_interface_gid_set = 1;
2394                 wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d",
2395                            bss->ctrl_interface_gid);
2396 #endif /* CONFIG_NATIVE_WINDOWS */
2397 #endif /* CONFIG_NO_CTRL_IFACE */
2398 #ifdef RADIUS_SERVER
2399         } else if (os_strcmp(buf, "radius_server_clients") == 0) {
2400                 os_free(bss->radius_server_clients);
2401                 bss->radius_server_clients = os_strdup(pos);
2402         } else if (os_strcmp(buf, "radius_server_auth_port") == 0) {
2403                 bss->radius_server_auth_port = atoi(pos);
2404         } else if (os_strcmp(buf, "radius_server_acct_port") == 0) {
2405                 bss->radius_server_acct_port = atoi(pos);
2406         } else if (os_strcmp(buf, "radius_server_ipv6") == 0) {
2407                 bss->radius_server_ipv6 = atoi(pos);
2408 #endif /* RADIUS_SERVER */
2409         } else if (os_strcmp(buf, "test_socket") == 0) {
2410                 os_free(bss->test_socket);
2411                 bss->test_socket = os_strdup(pos);
2412         } else if (os_strcmp(buf, "use_pae_group_addr") == 0) {
2413                 bss->use_pae_group_addr = atoi(pos);
2414         } else if (os_strcmp(buf, "hw_mode") == 0) {
2415                 if (os_strcmp(pos, "a") == 0)
2416                         conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
2417                 else if (os_strcmp(pos, "b") == 0)
2418                         conf->hw_mode = HOSTAPD_MODE_IEEE80211B;
2419                 else if (os_strcmp(pos, "g") == 0)
2420                         conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
2421                 else if (os_strcmp(pos, "ad") == 0)
2422                         conf->hw_mode = HOSTAPD_MODE_IEEE80211AD;
2423                 else {
2424                         wpa_printf(MSG_ERROR, "Line %d: unknown hw_mode '%s'",
2425                                    line, pos);
2426                         errors++;
2427                 }
2428         } else if (os_strcmp(buf, "wps_rf_bands") == 0) {
2429                 if (os_strcmp(pos, "a") == 0)
2430                         bss->wps_rf_bands = WPS_RF_50GHZ;
2431                 else if (os_strcmp(pos, "g") == 0 ||
2432                          os_strcmp(pos, "b") == 0)
2433                         bss->wps_rf_bands = WPS_RF_24GHZ;
2434                 else if (os_strcmp(pos, "ag") == 0 ||
2435                          os_strcmp(pos, "ga") == 0)
2436                         bss->wps_rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ;
2437                 else {
2438                         wpa_printf(MSG_ERROR,
2439                                    "Line %d: unknown wps_rf_band '%s'",
2440                                    line, pos);
2441                         errors++;
2442                 }
2443         } else if (os_strcmp(buf, "channel") == 0) {
2444                 if (os_strcmp(pos, "acs_survey") == 0) {
2445 #ifndef CONFIG_ACS
2446                         wpa_printf(MSG_ERROR, "Line %d: tries to enable ACS but CONFIG_ACS disabled",
2447                                    line);
2448                         errors++;
2449 #endif /* CONFIG_ACS */
2450                         conf->channel = 0;
2451                 } else
2452                         conf->channel = atoi(pos);
2453         } else if (os_strcmp(buf, "chanlist") == 0) {
2454                 if (hostapd_parse_intlist(&conf->chanlist, pos)) {
2455                         wpa_printf(MSG_ERROR, "Line %d: invalid channel list",
2456                                    line);
2457                         errors++;
2458                 }
2459         } else if (os_strcmp(buf, "beacon_int") == 0) {
2460                 int val = atoi(pos);
2461                 /* MIB defines range as 1..65535, but very small values
2462                  * cause problems with the current implementation.
2463                  * Since it is unlikely that this small numbers are
2464                  * useful in real life scenarios, do not allow beacon
2465                  * period to be set below 15 TU. */
2466                 if (val < 15 || val > 65535) {
2467                         wpa_printf(MSG_ERROR, "Line %d: invalid beacon_int %d (expected 15..65535)",
2468                                    line, val);
2469                         errors++;
2470                 } else
2471                         conf->beacon_int = val;
2472 #ifdef CONFIG_ACS
2473         } else if (os_strcmp(buf, "acs_num_scans") == 0) {
2474                 int val = atoi(pos);
2475                 if (val <= 0 || val > 100) {
2476                         wpa_printf(MSG_ERROR, "Line %d: invalid acs_num_scans %d (expected 1..100)",
2477                                    line, val);
2478                         errors++;
2479                 } else
2480                         conf->acs_num_scans = val;
2481 #endif /* CONFIG_ACS */
2482         } else if (os_strcmp(buf, "dtim_period") == 0) {
2483                 bss->dtim_period = atoi(pos);
2484                 if (bss->dtim_period < 1 || bss->dtim_period > 255) {
2485                         wpa_printf(MSG_ERROR, "Line %d: invalid dtim_period %d",
2486                                    line, bss->dtim_period);
2487                         errors++;
2488                 }
2489         } else if (os_strcmp(buf, "rts_threshold") == 0) {
2490                 conf->rts_threshold = atoi(pos);
2491                 if (conf->rts_threshold < 0 || conf->rts_threshold > 2347) {
2492                         wpa_printf(MSG_ERROR,
2493                                    "Line %d: invalid rts_threshold %d",
2494                                    line, conf->rts_threshold);
2495                         errors++;
2496                 }
2497         } else if (os_strcmp(buf, "fragm_threshold") == 0) {
2498                 conf->fragm_threshold = atoi(pos);
2499                 if (conf->fragm_threshold < 256 ||
2500                     conf->fragm_threshold > 2346) {
2501                         wpa_printf(MSG_ERROR,
2502                                    "Line %d: invalid fragm_threshold %d",
2503                                    line, conf->fragm_threshold);
2504                         errors++;
2505                 }
2506         } else if (os_strcmp(buf, "send_probe_response") == 0) {
2507                 int val = atoi(pos);
2508                 if (val != 0 && val != 1) {
2509                         wpa_printf(MSG_ERROR, "Line %d: invalid send_probe_response %d (expected 0 or 1)",
2510                                    line, val);
2511                 } else
2512                         conf->send_probe_response = val;
2513         } else if (os_strcmp(buf, "supported_rates") == 0) {
2514                 if (hostapd_parse_intlist(&conf->supported_rates, pos)) {
2515                         wpa_printf(MSG_ERROR, "Line %d: invalid rate list",
2516                                    line);
2517                         errors++;
2518                 }
2519         } else if (os_strcmp(buf, "basic_rates") == 0) {
2520                 if (hostapd_parse_intlist(&conf->basic_rates, pos)) {
2521                         wpa_printf(MSG_ERROR, "Line %d: invalid rate list",
2522                                    line);
2523                         errors++;
2524                 }
2525         } else if (os_strcmp(buf, "preamble") == 0) {
2526                 if (atoi(pos))
2527                         conf->preamble = SHORT_PREAMBLE;
2528                 else
2529                         conf->preamble = LONG_PREAMBLE;
2530         } else if (os_strcmp(buf, "ignore_broadcast_ssid") == 0) {
2531                 bss->ignore_broadcast_ssid = atoi(pos);
2532         } else if (os_strcmp(buf, "wep_default_key") == 0) {
2533                 bss->ssid.wep.idx = atoi(pos);
2534                 if (bss->ssid.wep.idx > 3) {
2535                         wpa_printf(MSG_ERROR,
2536                                    "Invalid wep_default_key index %d",
2537                                    bss->ssid.wep.idx);
2538                         errors++;
2539                 }
2540         } else if (os_strcmp(buf, "wep_key0") == 0 ||
2541                    os_strcmp(buf, "wep_key1") == 0 ||
2542                    os_strcmp(buf, "wep_key2") == 0 ||
2543                    os_strcmp(buf, "wep_key3") == 0) {
2544                 if (hostapd_config_read_wep(&bss->ssid.wep,
2545                                             buf[7] - '0', pos)) {
2546                         wpa_printf(MSG_ERROR, "Line %d: invalid WEP key '%s'",
2547                                    line, buf);
2548                         errors++;
2549                 }
2550 #ifndef CONFIG_NO_VLAN
2551         } else if (os_strcmp(buf, "dynamic_vlan") == 0) {
2552                 bss->ssid.dynamic_vlan = atoi(pos);
2553         } else if (os_strcmp(buf, "vlan_file") == 0) {
2554                 if (hostapd_config_read_vlan_file(bss, pos)) {
2555                         wpa_printf(MSG_ERROR, "Line %d: failed to read VLAN file '%s'",
2556                                    line, pos);
2557                         errors++;
2558                 }
2559         } else if (os_strcmp(buf, "vlan_naming") == 0) {
2560                 bss->ssid.vlan_naming = atoi(pos);
2561                 if (bss->ssid.vlan_naming >= DYNAMIC_VLAN_NAMING_END ||
2562                     bss->ssid.vlan_naming < 0) {
2563                         wpa_printf(MSG_ERROR,
2564                                    "Line %d: invalid naming scheme %d",
2565                                    line, bss->ssid.vlan_naming);
2566                         errors++;
2567                 }
2568 #ifdef CONFIG_FULL_DYNAMIC_VLAN
2569         } else if (os_strcmp(buf, "vlan_tagged_interface") == 0) {
2570                 bss->ssid.vlan_tagged_interface = os_strdup(pos);
2571 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
2572 #endif /* CONFIG_NO_VLAN */
2573         } else if (os_strcmp(buf, "ap_table_max_size") == 0) {
2574                 conf->ap_table_max_size = atoi(pos);
2575         } else if (os_strcmp(buf, "ap_table_expiration_time") == 0) {
2576                 conf->ap_table_expiration_time = atoi(pos);
2577         } else if (os_strncmp(buf, "tx_queue_", 9) == 0) {
2578                 if (hostapd_config_tx_queue(conf, buf, pos)) {
2579                         wpa_printf(MSG_ERROR, "Line %d: invalid TX queue item",
2580                                    line);
2581                         errors++;
2582                 }
2583         } else if (os_strcmp(buf, "wme_enabled") == 0 ||
2584                    os_strcmp(buf, "wmm_enabled") == 0) {
2585                 bss->wmm_enabled = atoi(pos);
2586         } else if (os_strcmp(buf, "uapsd_advertisement_enabled") == 0) {
2587                 bss->wmm_uapsd = atoi(pos);
2588         } else if (os_strncmp(buf, "wme_ac_", 7) == 0 ||
2589                    os_strncmp(buf, "wmm_ac_", 7) == 0) {
2590                 if (hostapd_config_wmm_ac(conf->wmm_ac_params, buf, pos)) {
2591                         wpa_printf(MSG_ERROR, "Line %d: invalid WMM ac item",
2592                                    line);
2593                         errors++;
2594                 }
2595         } else if (os_strcmp(buf, "bss") == 0) {
2596                 if (hostapd_config_bss(conf, pos)) {
2597                         wpa_printf(MSG_ERROR, "Line %d: invalid bss item",
2598                                    line);
2599                         errors++;
2600                 }
2601         } else if (os_strcmp(buf, "bssid") == 0) {
2602                 if (hwaddr_aton(pos, bss->bssid)) {
2603                         wpa_printf(MSG_ERROR, "Line %d: invalid bssid item",
2604                                    line);
2605                         errors++;
2606                 }
2607 #ifdef CONFIG_IEEE80211W
2608         } else if (os_strcmp(buf, "ieee80211w") == 0) {
2609                 bss->ieee80211w = atoi(pos);
2610         } else if (os_strcmp(buf, "assoc_sa_query_max_timeout") == 0) {
2611                 bss->assoc_sa_query_max_timeout = atoi(pos);
2612                 if (bss->assoc_sa_query_max_timeout == 0) {
2613                         wpa_printf(MSG_ERROR, "Line %d: invalid assoc_sa_query_max_timeout",
2614                                    line);
2615                         errors++;
2616                 }
2617         } else if (os_strcmp(buf, "assoc_sa_query_retry_timeout") == 0) {
2618                 bss->assoc_sa_query_retry_timeout = atoi(pos);
2619                 if (bss->assoc_sa_query_retry_timeout == 0) {
2620                         wpa_printf(MSG_ERROR, "Line %d: invalid assoc_sa_query_retry_timeout",
2621                                    line);
2622                         errors++;
2623                 }
2624 #endif /* CONFIG_IEEE80211W */
2625 #ifdef CONFIG_IEEE80211N
2626         } else if (os_strcmp(buf, "ieee80211n") == 0) {
2627                 conf->ieee80211n = atoi(pos);
2628         } else if (os_strcmp(buf, "ht_capab") == 0) {
2629                 if (hostapd_config_ht_capab(conf, pos) < 0) {
2630                         wpa_printf(MSG_ERROR, "Line %d: invalid ht_capab",
2631                                    line);
2632                         errors++;
2633                 }
2634         } else if (os_strcmp(buf, "require_ht") == 0) {
2635                 conf->require_ht = atoi(pos);
2636         } else if (os_strcmp(buf, "obss_interval") == 0) {
2637                 conf->obss_interval = atoi(pos);
2638 #endif /* CONFIG_IEEE80211N */
2639 #ifdef CONFIG_IEEE80211AC
2640         } else if (os_strcmp(buf, "ieee80211ac") == 0) {
2641                 conf->ieee80211ac = atoi(pos);
2642         } else if (os_strcmp(buf, "vht_capab") == 0) {
2643                 if (hostapd_config_vht_capab(conf, pos) < 0) {
2644                         wpa_printf(MSG_ERROR, "Line %d: invalid vht_capab",
2645                                    line);
2646                         errors++;
2647                 }
2648         } else if (os_strcmp(buf, "require_vht") == 0) {
2649                 conf->require_vht = atoi(pos);
2650         } else if (os_strcmp(buf, "vht_oper_chwidth") == 0) {
2651                 conf->vht_oper_chwidth = atoi(pos);
2652         } else if (os_strcmp(buf, "vht_oper_centr_freq_seg0_idx") == 0) {
2653                 conf->vht_oper_centr_freq_seg0_idx = atoi(pos);
2654         } else if (os_strcmp(buf, "vht_oper_centr_freq_seg1_idx") == 0) {
2655                 conf->vht_oper_centr_freq_seg1_idx = atoi(pos);
2656 #endif /* CONFIG_IEEE80211AC */
2657         } else if (os_strcmp(buf, "max_listen_interval") == 0) {
2658                 bss->max_listen_interval = atoi(pos);
2659         } else if (os_strcmp(buf, "disable_pmksa_caching") == 0) {
2660                 bss->disable_pmksa_caching = atoi(pos);
2661         } else if (os_strcmp(buf, "okc") == 0) {
2662                 bss->okc = atoi(pos);
2663 #ifdef CONFIG_WPS
2664         } else if (os_strcmp(buf, "wps_state") == 0) {
2665                 bss->wps_state = atoi(pos);
2666                 if (bss->wps_state < 0 || bss->wps_state > 2) {
2667                         wpa_printf(MSG_ERROR, "Line %d: invalid wps_state",
2668                                    line);
2669                         errors++;
2670                 }
2671         } else if (os_strcmp(buf, "wps_independent") == 0) {
2672                 bss->wps_independent = atoi(pos);
2673         } else if (os_strcmp(buf, "ap_setup_locked") == 0) {
2674                 bss->ap_setup_locked = atoi(pos);
2675         } else if (os_strcmp(buf, "uuid") == 0) {
2676                 if (uuid_str2bin(pos, bss->uuid)) {
2677                         wpa_printf(MSG_ERROR, "Line %d: invalid UUID", line);
2678                         errors++;
2679                 }
2680         } else if (os_strcmp(buf, "wps_pin_requests") == 0) {
2681                 os_free(bss->wps_pin_requests);
2682                 bss->wps_pin_requests = os_strdup(pos);
2683         } else if (os_strcmp(buf, "device_name") == 0) {
2684                 if (os_strlen(pos) > 32) {
2685                         wpa_printf(MSG_ERROR, "Line %d: Too long "
2686                                    "device_name", line);
2687                         errors++;
2688                 }
2689                 os_free(bss->device_name);
2690                 bss->device_name = os_strdup(pos);
2691         } else if (os_strcmp(buf, "manufacturer") == 0) {
2692                 if (os_strlen(pos) > 64) {
2693                         wpa_printf(MSG_ERROR, "Line %d: Too long manufacturer",
2694                                    line);
2695                         errors++;
2696                 }
2697                 os_free(bss->manufacturer);
2698                 bss->manufacturer = os_strdup(pos);
2699         } else if (os_strcmp(buf, "model_name") == 0) {
2700                 if (os_strlen(pos) > 32) {
2701                         wpa_printf(MSG_ERROR, "Line %d: Too long model_name",
2702                                    line);
2703                         errors++;
2704                 }
2705                 os_free(bss->model_name);
2706                 bss->model_name = os_strdup(pos);
2707         } else if (os_strcmp(buf, "model_number") == 0) {
2708                 if (os_strlen(pos) > 32) {
2709                         wpa_printf(MSG_ERROR, "Line %d: Too long model_number",
2710                                    line);
2711                         errors++;
2712                 }
2713                 os_free(bss->model_number);
2714                 bss->model_number = os_strdup(pos);
2715         } else if (os_strcmp(buf, "serial_number") == 0) {
2716                 if (os_strlen(pos) > 32) {
2717                         wpa_printf(MSG_ERROR, "Line %d: Too long serial_number",
2718                                    line);
2719                         errors++;
2720                 }
2721                 os_free(bss->serial_number);
2722                 bss->serial_number = os_strdup(pos);
2723         } else if (os_strcmp(buf, "device_type") == 0) {
2724                 if (wps_dev_type_str2bin(pos, bss->device_type))
2725                         errors++;
2726         } else if (os_strcmp(buf, "config_methods") == 0) {
2727                 os_free(bss->config_methods);
2728                 bss->config_methods = os_strdup(pos);
2729         } else if (os_strcmp(buf, "os_version") == 0) {
2730                 if (hexstr2bin(pos, bss->os_version, 4)) {
2731                         wpa_printf(MSG_ERROR, "Line %d: invalid os_version",
2732                                    line);
2733                         errors++;
2734                 }
2735         } else if (os_strcmp(buf, "ap_pin") == 0) {
2736                 os_free(bss->ap_pin);
2737                 bss->ap_pin = os_strdup(pos);
2738         } else if (os_strcmp(buf, "skip_cred_build") == 0) {
2739                 bss->skip_cred_build = atoi(pos);
2740         } else if (os_strcmp(buf, "extra_cred") == 0) {
2741                 os_free(bss->extra_cred);
2742                 bss->extra_cred = (u8 *) os_readfile(pos, &bss->extra_cred_len);
2743                 if (bss->extra_cred == NULL) {
2744                         wpa_printf(MSG_ERROR, "Line %d: could not read Credentials from '%s'",
2745                                    line, pos);
2746                         errors++;
2747                 }
2748         } else if (os_strcmp(buf, "wps_cred_processing") == 0) {
2749                 bss->wps_cred_processing = atoi(pos);
2750         } else if (os_strcmp(buf, "ap_settings") == 0) {
2751                 os_free(bss->ap_settings);
2752                 bss->ap_settings =
2753                         (u8 *) os_readfile(pos, &bss->ap_settings_len);
2754                 if (bss->ap_settings == NULL) {
2755                         wpa_printf(MSG_ERROR, "Line %d: could not read AP Settings from '%s'",
2756                                    line, pos);
2757                         errors++;
2758                 }
2759         } else if (os_strcmp(buf, "upnp_iface") == 0) {
2760                 bss->upnp_iface = os_strdup(pos);
2761         } else if (os_strcmp(buf, "friendly_name") == 0) {
2762                 os_free(bss->friendly_name);
2763                 bss->friendly_name = os_strdup(pos);
2764         } else if (os_strcmp(buf, "manufacturer_url") == 0) {
2765                 os_free(bss->manufacturer_url);
2766                 bss->manufacturer_url = os_strdup(pos);
2767         } else if (os_strcmp(buf, "model_description") == 0) {
2768                 os_free(bss->model_description);
2769                 bss->model_description = os_strdup(pos);
2770         } else if (os_strcmp(buf, "model_url") == 0) {
2771                 os_free(bss->model_url);
2772                 bss->model_url = os_strdup(pos);
2773         } else if (os_strcmp(buf, "upc") == 0) {
2774                 os_free(bss->upc);
2775                 bss->upc = os_strdup(pos);
2776         } else if (os_strcmp(buf, "pbc_in_m1") == 0) {
2777                 bss->pbc_in_m1 = atoi(pos);
2778         } else if (os_strcmp(buf, "server_id") == 0) {
2779                 os_free(bss->server_id);
2780                 bss->server_id = os_strdup(pos);
2781 #ifdef CONFIG_WPS_NFC
2782         } else if (os_strcmp(buf, "wps_nfc_dev_pw_id") == 0) {
2783                 bss->wps_nfc_dev_pw_id = atoi(pos);
2784                 if (bss->wps_nfc_dev_pw_id < 0x10 ||
2785                     bss->wps_nfc_dev_pw_id > 0xffff) {
2786                         wpa_printf(MSG_ERROR, "Line %d: Invalid wps_nfc_dev_pw_id value",
2787                                    line);
2788                         errors++;
2789                 }
2790                 bss->wps_nfc_pw_from_config = 1;
2791         } else if (os_strcmp(buf, "wps_nfc_dh_pubkey") == 0) {
2792                 wpabuf_free(bss->wps_nfc_dh_pubkey);
2793                 bss->wps_nfc_dh_pubkey = hostapd_parse_bin(pos);
2794                 bss->wps_nfc_pw_from_config = 1;
2795         } else if (os_strcmp(buf, "wps_nfc_dh_privkey") == 0) {
2796                 wpabuf_free(bss->wps_nfc_dh_privkey);
2797                 bss->wps_nfc_dh_privkey = hostapd_parse_bin(pos);
2798                 bss->wps_nfc_pw_from_config = 1;
2799         } else if (os_strcmp(buf, "wps_nfc_dev_pw") == 0) {
2800                 wpabuf_free(bss->wps_nfc_dev_pw);
2801                 bss->wps_nfc_dev_pw = hostapd_parse_bin(pos);
2802                 bss->wps_nfc_pw_from_config = 1;
2803 #endif /* CONFIG_WPS_NFC */
2804 #endif /* CONFIG_WPS */
2805 #ifdef CONFIG_P2P_MANAGER
2806         } else if (os_strcmp(buf, "manage_p2p") == 0) {
2807                 int manage = atoi(pos);
2808                 if (manage)
2809                         bss->p2p |= P2P_MANAGE;
2810                 else
2811                         bss->p2p &= ~P2P_MANAGE;
2812         } else if (os_strcmp(buf, "allow_cross_connection") == 0) {
2813                 if (atoi(pos))
2814                         bss->p2p |= P2P_ALLOW_CROSS_CONNECTION;
2815                 else
2816                         bss->p2p &= ~P2P_ALLOW_CROSS_CONNECTION;
2817 #endif /* CONFIG_P2P_MANAGER */
2818         } else if (os_strcmp(buf, "disassoc_low_ack") == 0) {
2819                 bss->disassoc_low_ack = atoi(pos);
2820         } else if (os_strcmp(buf, "tdls_prohibit") == 0) {
2821                 int val = atoi(pos);
2822                 if (val)
2823                         bss->tdls |= TDLS_PROHIBIT;
2824                 else
2825                         bss->tdls &= ~TDLS_PROHIBIT;
2826         } else if (os_strcmp(buf, "tdls_prohibit_chan_switch") == 0) {
2827                 int val = atoi(pos);
2828                 if (val)
2829                         bss->tdls |= TDLS_PROHIBIT_CHAN_SWITCH;
2830                 else
2831                         bss->tdls &= ~TDLS_PROHIBIT_CHAN_SWITCH;
2832 #ifdef CONFIG_RSN_TESTING
2833         } else if (os_strcmp(buf, "rsn_testing") == 0) {
2834                 extern int rsn_testing;
2835                 rsn_testing = atoi(pos);
2836 #endif /* CONFIG_RSN_TESTING */
2837         } else if (os_strcmp(buf, "time_advertisement") == 0) {
2838                 bss->time_advertisement = atoi(pos);
2839         } else if (os_strcmp(buf, "time_zone") == 0) {
2840                 size_t tz_len = os_strlen(pos);
2841                 if (tz_len < 4 || tz_len > 255) {
2842                         wpa_printf(MSG_DEBUG, "Line %d: invalid time_zone",
2843                                    line);
2844                         errors++;
2845                         return errors;
2846                 }
2847                 os_free(bss->time_zone);
2848                 bss->time_zone = os_strdup(pos);
2849                 if (bss->time_zone == NULL)
2850                         errors++;
2851 #ifdef CONFIG_WNM
2852         } else if (os_strcmp(buf, "wnm_sleep_mode") == 0) {
2853                 bss->wnm_sleep_mode = atoi(pos);
2854         } else if (os_strcmp(buf, "bss_transition") == 0) {
2855                 bss->bss_transition = atoi(pos);
2856 #endif /* CONFIG_WNM */
2857 #ifdef CONFIG_INTERWORKING
2858         } else if (os_strcmp(buf, "interworking") == 0) {
2859                 bss->interworking = atoi(pos);
2860         } else if (os_strcmp(buf, "access_network_type") == 0) {
2861                 bss->access_network_type = atoi(pos);
2862                 if (bss->access_network_type < 0 ||
2863                     bss->access_network_type > 15) {
2864                         wpa_printf(MSG_ERROR,
2865                                    "Line %d: invalid access_network_type",
2866                                    line);
2867                         errors++;
2868                 }
2869         } else if (os_strcmp(buf, "internet") == 0) {
2870                 bss->internet = atoi(pos);
2871         } else if (os_strcmp(buf, "asra") == 0) {
2872                 bss->asra = atoi(pos);
2873         } else if (os_strcmp(buf, "esr") == 0) {
2874                 bss->esr = atoi(pos);
2875         } else if (os_strcmp(buf, "uesa") == 0) {
2876                 bss->uesa = atoi(pos);
2877         } else if (os_strcmp(buf, "venue_group") == 0) {
2878                 bss->venue_group = atoi(pos);
2879                 bss->venue_info_set = 1;
2880         } else if (os_strcmp(buf, "venue_type") == 0) {
2881                 bss->venue_type = atoi(pos);
2882                 bss->venue_info_set = 1;
2883         } else if (os_strcmp(buf, "hessid") == 0) {
2884                 if (hwaddr_aton(pos, bss->hessid)) {
2885                         wpa_printf(MSG_ERROR, "Line %d: invalid hessid", line);
2886                         errors++;
2887                 }
2888         } else if (os_strcmp(buf, "roaming_consortium") == 0) {
2889                 if (parse_roaming_consortium(bss, pos, line) < 0)
2890                         errors++;
2891         } else if (os_strcmp(buf, "venue_name") == 0) {
2892                 if (parse_venue_name(bss, pos, line) < 0)
2893                         errors++;
2894         } else if (os_strcmp(buf, "network_auth_type") == 0) {
2895                 u8 auth_type;
2896                 u16 redirect_url_len;
2897                 if (hexstr2bin(pos, &auth_type, 1)) {
2898                         wpa_printf(MSG_ERROR,
2899                                    "Line %d: Invalid network_auth_type '%s'",
2900                                    line, pos);
2901                         errors++;
2902                         return errors;
2903                 }
2904                 if (auth_type == 0 || auth_type == 2)
2905                         redirect_url_len = os_strlen(pos + 2);
2906                 else
2907                         redirect_url_len = 0;
2908                 os_free(bss->network_auth_type);
2909                 bss->network_auth_type = os_malloc(redirect_url_len + 3 + 1);
2910                 if (bss->network_auth_type == NULL) {
2911                         errors++;
2912                         return errors;
2913                 }
2914                 *bss->network_auth_type = auth_type;
2915                 WPA_PUT_LE16(bss->network_auth_type + 1, redirect_url_len);
2916                 if (redirect_url_len)
2917                         os_memcpy(bss->network_auth_type + 3, pos + 2,
2918                                   redirect_url_len);
2919                 bss->network_auth_type_len = 3 + redirect_url_len;
2920         } else if (os_strcmp(buf, "ipaddr_type_availability") == 0) {
2921                 if (hexstr2bin(pos, &bss->ipaddr_type_availability, 1)) {
2922                         wpa_printf(MSG_ERROR, "Line %d: Invalid ipaddr_type_availability '%s'",
2923                                    line, pos);
2924                         bss->ipaddr_type_configured = 0;
2925                         errors++;
2926                         return errors;
2927                 }
2928                 bss->ipaddr_type_configured = 1;
2929                 } else if (os_strcmp(buf, "domain_name") == 0) {
2930                 int j, num_domains, domain_len, domain_list_len = 0;
2931                 char *tok_start, *tok_prev;
2932                 u8 *domain_list, *domain_ptr;
2933
2934                 domain_list_len = os_strlen(pos) + 1;
2935                 domain_list = os_malloc(domain_list_len);
2936                 if (domain_list == NULL) {
2937                         errors++;
2938                         return errors;
2939                 }
2940
2941                 domain_ptr = domain_list;
2942                 tok_prev = pos;
2943                 num_domains = 1;
2944                 while ((tok_prev = os_strchr(tok_prev, ','))) {
2945                         num_domains++;
2946                         tok_prev++;
2947                 }
2948                 tok_prev = pos;
2949                 for (j = 0; j < num_domains; j++) {
2950                         tok_start = os_strchr(tok_prev, ',');
2951                         if (tok_start) {
2952                                 domain_len = tok_start - tok_prev;
2953                                 *domain_ptr = domain_len;
2954                                 os_memcpy(domain_ptr + 1, tok_prev, domain_len);
2955                                 domain_ptr += domain_len + 1;
2956                                 tok_prev = ++tok_start;
2957                         } else {
2958                                 domain_len = os_strlen(tok_prev);
2959                                 *domain_ptr = domain_len;
2960                                 os_memcpy(domain_ptr + 1, tok_prev, domain_len);
2961                                 domain_ptr += domain_len + 1;
2962                         }
2963                 }
2964
2965                 os_free(bss->domain_name);
2966                 bss->domain_name = domain_list;
2967                 bss->domain_name_len = domain_list_len;
2968         } else if (os_strcmp(buf, "anqp_3gpp_cell_net") == 0) {
2969                 if (parse_3gpp_cell_net(bss, pos, line) < 0)
2970                         errors++;
2971         } else if (os_strcmp(buf, "nai_realm") == 0) {
2972                 if (parse_nai_realm(bss, pos, line) < 0)
2973                         errors++;
2974         } else if (os_strcmp(buf, "gas_frag_limit") == 0) {
2975                 bss->gas_frag_limit = atoi(pos);
2976         } else if (os_strcmp(buf, "gas_comeback_delay") == 0) {
2977                 bss->gas_comeback_delay = atoi(pos);
2978         } else if (os_strcmp(buf, "qos_map_set") == 0) {
2979                 if (parse_qos_map_set(bss, pos, line) < 0)
2980                         errors++;
2981 #endif /* CONFIG_INTERWORKING */
2982 #ifdef CONFIG_RADIUS_TEST
2983         } else if (os_strcmp(buf, "dump_msk_file") == 0) {
2984                 os_free(bss->dump_msk_file);
2985                 bss->dump_msk_file = os_strdup(pos);
2986 #endif /* CONFIG_RADIUS_TEST */
2987 #ifdef CONFIG_HS20
2988         } else if (os_strcmp(buf, "hs20") == 0) {
2989                 bss->hs20 = atoi(pos);
2990         } else if (os_strcmp(buf, "disable_dgaf") == 0) {
2991                 bss->disable_dgaf = atoi(pos);
2992         } else if (os_strcmp(buf, "osen") == 0) {
2993                 bss->osen = atoi(pos);
2994         } else if (os_strcmp(buf, "anqp_domain_id") == 0) {
2995                 bss->anqp_domain_id = atoi(pos);
2996         } else if (os_strcmp(buf, "hs20_deauth_req_timeout") == 0) {
2997                 bss->hs20_deauth_req_timeout = atoi(pos);
2998         } else if (os_strcmp(buf, "hs20_oper_friendly_name") == 0) {
2999                 if (hs20_parse_oper_friendly_name(bss, pos, line) < 0)
3000                         errors++;
3001         } else if (os_strcmp(buf, "hs20_wan_metrics") == 0) {
3002                 if (hs20_parse_wan_metrics(bss, pos, line) < 0) {
3003                         errors++;
3004                         return errors;
3005                 }
3006         } else if (os_strcmp(buf, "hs20_conn_capab") == 0) {
3007                 if (hs20_parse_conn_capab(bss, pos, line) < 0) {
3008                         errors++;
3009                         return errors;
3010                 }
3011         } else if (os_strcmp(buf, "hs20_operating_class") == 0) {
3012                 u8 *oper_class;
3013                 size_t oper_class_len;
3014                 oper_class_len = os_strlen(pos);
3015                 if (oper_class_len < 2 || (oper_class_len & 0x01)) {
3016                         wpa_printf(MSG_ERROR,
3017                                    "Line %d: Invalid hs20_operating_class '%s'",
3018                                    line, pos);
3019                         errors++;
3020                         return errors;
3021                 }
3022                 oper_class_len /= 2;
3023                 oper_class = os_malloc(oper_class_len);
3024                 if (oper_class == NULL) {
3025                         errors++;
3026                         return errors;
3027                 }
3028                 if (hexstr2bin(pos, oper_class, oper_class_len)) {
3029                         wpa_printf(MSG_ERROR,
3030                                    "Line %d: Invalid hs20_operating_class '%s'",
3031                                    line, pos);
3032                         os_free(oper_class);
3033                         errors++;
3034                         return errors;
3035                 }
3036                 os_free(bss->hs20_operating_class);
3037                 bss->hs20_operating_class = oper_class;
3038                 bss->hs20_operating_class_len = oper_class_len;
3039         } else if (os_strcmp(buf, "hs20_icon") == 0) {
3040                 if (hs20_parse_icon(bss, pos) < 0) {
3041                         wpa_printf(MSG_ERROR, "Line %d: Invalid hs20_icon '%s'",
3042                                    line, pos);
3043                         errors++;
3044                         return errors;
3045                 }
3046         } else if (os_strcmp(buf, "osu_ssid") == 0) {
3047                 if (hs20_parse_osu_ssid(bss, pos, line) < 0)
3048                         errors++;
3049         } else if (os_strcmp(buf, "osu_server_uri") == 0) {
3050                 if (hs20_parse_osu_server_uri(bss, pos, line) < 0)
3051                         errors++;
3052         } else if (os_strcmp(buf, "osu_friendly_name") == 0) {
3053                 if (hs20_parse_osu_friendly_name(bss, pos, line) < 0)
3054                         errors++;
3055         } else if (os_strcmp(buf, "osu_nai") == 0) {
3056                 if (hs20_parse_osu_nai(bss, pos, line) < 0)
3057                         errors++;
3058         } else if (os_strcmp(buf, "osu_method_list") == 0) {
3059                 if (hs20_parse_osu_method_list(bss, pos, line) < 0)
3060                         errors++;
3061         } else if (os_strcmp(buf, "osu_icon") == 0) {
3062                 if (hs20_parse_osu_icon(bss, pos, line) < 0)
3063                         errors++;
3064         } else if (os_strcmp(buf, "osu_service_desc") == 0) {
3065                 if (hs20_parse_osu_service_desc(bss, pos, line) < 0)
3066                         errors++;
3067         } else if (os_strcmp(buf, "subscr_remediation_url") == 0) {
3068                 os_free(bss->subscr_remediation_url);
3069                 bss->subscr_remediation_url = os_strdup(pos);
3070         } else if (os_strcmp(buf, "subscr_remediation_method") == 0) {
3071                 bss->subscr_remediation_method = atoi(pos);
3072 #endif /* CONFIG_HS20 */
3073 #ifdef CONFIG_TESTING_OPTIONS
3074 #define PARSE_TEST_PROBABILITY(_val)                            \
3075         } else if (os_strcmp(buf, #_val) == 0) {                \
3076                 char *end;                                      \
3077                                                                 \
3078                 conf->_val = strtod(pos, &end);                 \
3079                 if (*end || conf->_val < 0.0d ||                \
3080                     conf->_val > 1.0d) {                        \
3081                         wpa_printf(MSG_ERROR,                   \
3082                                    "Line %d: Invalid value '%s'", \
3083                                    line, pos);                  \
3084                         errors++;                               \
3085                         return errors;                          \
3086                 }
3087         PARSE_TEST_PROBABILITY(ignore_probe_probability)
3088         PARSE_TEST_PROBABILITY(ignore_auth_probability)
3089         PARSE_TEST_PROBABILITY(ignore_assoc_probability)
3090         PARSE_TEST_PROBABILITY(ignore_reassoc_probability)
3091         PARSE_TEST_PROBABILITY(corrupt_gtk_rekey_mic_probability)
3092         } else if (os_strcmp(buf, "bss_load_test") == 0) {
3093                 WPA_PUT_LE16(bss->bss_load_test, atoi(pos));
3094                 pos = os_strchr(pos, ':');
3095                 if (pos == NULL) {
3096                         wpa_printf(MSG_ERROR, "Line %d: Invalid bss_load_test",
3097                                    line);
3098                         return 1;
3099                 }
3100                 pos++;
3101                 bss->bss_load_test[2] = atoi(pos);
3102                 pos = os_strchr(pos, ':');
3103                 if (pos == NULL) {
3104                         wpa_printf(MSG_ERROR, "Line %d: Invalid bss_load_test",
3105                                    line);
3106                         return 1;
3107                 }
3108                 pos++;
3109                 WPA_PUT_LE16(&bss->bss_load_test[3], atoi(pos));
3110                 bss->bss_load_test_set = 1;
3111 #endif /* CONFIG_TESTING_OPTIONS */
3112         } else if (os_strcmp(buf, "vendor_elements") == 0) {
3113                 struct wpabuf *elems;
3114                 size_t len = os_strlen(pos);
3115                 if (len & 0x01) {
3116                         wpa_printf(MSG_ERROR,
3117                                    "Line %d: Invalid vendor_elements '%s'",
3118                                    line, pos);
3119                         return 1;
3120                 }
3121                 len /= 2;
3122                 if (len == 0) {
3123                         wpabuf_free(bss->vendor_elements);
3124                         bss->vendor_elements = NULL;
3125                         return 0;
3126                 }
3127
3128                 elems = wpabuf_alloc(len);
3129                 if (elems == NULL)
3130                         return 1;
3131
3132                 if (hexstr2bin(pos, wpabuf_put(elems, len), len)) {
3133                         wpabuf_free(elems);
3134                         wpa_printf(MSG_ERROR,
3135                                    "Line %d: Invalid vendor_elements '%s'",
3136                                    line, pos);
3137                         return 1;
3138                 }
3139
3140                 wpabuf_free(bss->vendor_elements);
3141                 bss->vendor_elements = elems;
3142         } else if (os_strcmp(buf, "sae_anti_clogging_threshold") == 0) {
3143                 bss->sae_anti_clogging_threshold = atoi(pos);
3144         } else if (os_strcmp(buf, "sae_groups") == 0) {
3145                 if (hostapd_parse_intlist(&bss->sae_groups, pos)) {
3146                         wpa_printf(MSG_ERROR,
3147                                    "Line %d: Invalid sae_groups value '%s'",
3148                                    line, pos);
3149                         return 1;
3150                 }
3151         } else if (os_strcmp(buf, "local_pwr_constraint") == 0) {
3152                 int val = atoi(pos);
3153                 if (val < 0 || val > 255) {
3154                         wpa_printf(MSG_ERROR, "Line %d: Invalid local_pwr_constraint %d (expected 0..255)",
3155                                    line, val);
3156                         return 1;
3157                 }
3158                 conf->local_pwr_constraint = val;
3159         } else if (os_strcmp(buf, "spectrum_mgmt_required") == 0) {
3160                 conf->spectrum_mgmt_required = atoi(pos);
3161         } else {
3162                 wpa_printf(MSG_ERROR,
3163                            "Line %d: unknown configuration item '%s'",
3164                            line, buf);
3165                 errors++;
3166         }
3167
3168         return errors;
3169 }
3170
3171
3172 /**
3173  * hostapd_config_read - Read and parse a configuration file
3174  * @fname: Configuration file name (including path, if needed)
3175  * Returns: Allocated configuration data structure
3176  */
3177 struct hostapd_config * hostapd_config_read(const char *fname)
3178 {
3179         struct hostapd_config *conf;
3180         struct hostapd_bss_config *bss;
3181         FILE *f;
3182         char buf[512], *pos;
3183         int line = 0;
3184         int errors = 0;
3185         size_t i;
3186
3187         f = fopen(fname, "r");
3188         if (f == NULL) {
3189                 wpa_printf(MSG_ERROR, "Could not open configuration file '%s' "
3190                            "for reading.", fname);
3191                 return NULL;
3192         }
3193
3194         conf = hostapd_config_defaults();
3195         if (conf == NULL) {
3196                 fclose(f);
3197                 return NULL;
3198         }
3199
3200         /* set default driver based on configuration */
3201         conf->driver = wpa_drivers[0];
3202         if (conf->driver == NULL) {
3203                 wpa_printf(MSG_ERROR, "No driver wrappers registered!");
3204                 hostapd_config_free(conf);
3205                 fclose(f);
3206                 return NULL;
3207         }
3208
3209         bss = conf->last_bss = conf->bss[0];
3210
3211         while (fgets(buf, sizeof(buf), f)) {
3212                 bss = conf->last_bss;
3213                 line++;
3214
3215                 if (buf[0] == '#')
3216                         continue;
3217                 pos = buf;
3218                 while (*pos != '\0') {
3219                         if (*pos == '\n') {
3220                                 *pos = '\0';
3221                                 break;
3222                         }
3223                         pos++;
3224                 }
3225                 if (buf[0] == '\0')
3226                         continue;
3227
3228                 pos = os_strchr(buf, '=');
3229                 if (pos == NULL) {
3230                         wpa_printf(MSG_ERROR, "Line %d: invalid line '%s'",
3231                                    line, buf);
3232                         errors++;
3233                         continue;
3234                 }
3235                 *pos = '\0';
3236                 pos++;
3237                 errors += hostapd_config_fill(conf, bss, buf, pos, line);
3238         }
3239
3240         fclose(f);
3241
3242         for (i = 0; i < conf->num_bss; i++)
3243                 hostapd_set_security_params(conf->bss[i]);
3244
3245         if (hostapd_config_check(conf, 1))
3246                 errors++;
3247
3248 #ifndef WPA_IGNORE_CONFIG_ERRORS
3249         if (errors) {
3250                 wpa_printf(MSG_ERROR, "%d errors found in configuration file "
3251                            "'%s'", errors, fname);
3252                 hostapd_config_free(conf);
3253                 conf = NULL;
3254         }
3255 #endif /* WPA_IGNORE_CONFIG_ERRORS */
3256
3257         return conf;
3258 }
3259
3260
3261 int hostapd_set_iface(struct hostapd_config *conf,
3262                       struct hostapd_bss_config *bss, char *field, char *value)
3263 {
3264         int errors;
3265         size_t i;
3266
3267         errors = hostapd_config_fill(conf, bss, field, value, 0);
3268         if (errors) {
3269                 wpa_printf(MSG_INFO, "Failed to set configuration field '%s' "
3270                            "to value '%s'", field, value);
3271                 return -1;
3272         }
3273
3274         for (i = 0; i < conf->num_bss; i++)
3275                 hostapd_set_security_params(conf->bss[i]);
3276
3277         if (hostapd_config_check(conf, 0)) {
3278                 wpa_printf(MSG_ERROR, "Configuration check failed");
3279                 return -1;
3280         }
3281
3282         return 0;
3283 }