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, "[40-INTOLERANT]"))
1071                 conf->ht_capab |= HT_CAP_INFO_40MHZ_INTOLERANT;
1072         if (os_strstr(capab, "[LSIG-TXOP-PROT]"))
1073                 conf->ht_capab |= HT_CAP_INFO_LSIG_TXOP_PROTECT_SUPPORT;
1074
1075         return 0;
1076 }
1077 #endif /* CONFIG_IEEE80211N */
1078
1079
1080 #ifdef CONFIG_IEEE80211AC
1081 static int hostapd_config_vht_capab(struct hostapd_config *conf,
1082                                     const char *capab)
1083 {
1084         if (os_strstr(capab, "[MAX-MPDU-7991]"))
1085                 conf->vht_capab |= VHT_CAP_MAX_MPDU_LENGTH_7991;
1086         if (os_strstr(capab, "[MAX-MPDU-11454]"))
1087                 conf->vht_capab |= VHT_CAP_MAX_MPDU_LENGTH_11454;
1088         if (os_strstr(capab, "[VHT160]"))
1089                 conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
1090         if (os_strstr(capab, "[VHT160-80PLUS80]"))
1091                 conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
1092         if (os_strstr(capab, "[VHT160-80PLUS80]"))
1093                 conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
1094         if (os_strstr(capab, "[RXLDPC]"))
1095                 conf->vht_capab |= VHT_CAP_RXLDPC;
1096         if (os_strstr(capab, "[SHORT-GI-80]"))
1097                 conf->vht_capab |= VHT_CAP_SHORT_GI_80;
1098         if (os_strstr(capab, "[SHORT-GI-160]"))
1099                 conf->vht_capab |= VHT_CAP_SHORT_GI_160;
1100         if (os_strstr(capab, "[TX-STBC-2BY1]"))
1101                 conf->vht_capab |= VHT_CAP_TXSTBC;
1102         if (os_strstr(capab, "[RX-STBC-1]"))
1103                 conf->vht_capab |= VHT_CAP_RXSTBC_1;
1104         if (os_strstr(capab, "[RX-STBC-12]"))
1105                 conf->vht_capab |= VHT_CAP_RXSTBC_2;
1106         if (os_strstr(capab, "[RX-STBC-123]"))
1107                 conf->vht_capab |= VHT_CAP_RXSTBC_3;
1108         if (os_strstr(capab, "[RX-STBC-1234]"))
1109                 conf->vht_capab |= VHT_CAP_RXSTBC_4;
1110         if (os_strstr(capab, "[SU-BEAMFORMER]"))
1111                 conf->vht_capab |= VHT_CAP_SU_BEAMFORMER_CAPABLE;
1112         if (os_strstr(capab, "[SU-BEAMFORMEE]"))
1113                 conf->vht_capab |= VHT_CAP_SU_BEAMFORMEE_CAPABLE;
1114         if (os_strstr(capab, "[BF-ANTENNA-2]") &&
1115             (conf->vht_capab & VHT_CAP_SU_BEAMFORMEE_CAPABLE))
1116                 conf->vht_capab |= (1 << VHT_CAP_BEAMFORMEE_STS_OFFSET);
1117         if (os_strstr(capab, "[SOUNDING-DIMENSION-2]") &&
1118             (conf->vht_capab & VHT_CAP_SU_BEAMFORMER_CAPABLE))
1119                 conf->vht_capab |= (1 << VHT_CAP_SOUNDING_DIMENSION_OFFSET);
1120         if (os_strstr(capab, "[MU-BEAMFORMER]"))
1121                 conf->vht_capab |= VHT_CAP_MU_BEAMFORMER_CAPABLE;
1122         if (os_strstr(capab, "[MU-BEAMFORMEE]"))
1123                 conf->vht_capab |= VHT_CAP_MU_BEAMFORMEE_CAPABLE;
1124         if (os_strstr(capab, "[VHT-TXOP-PS]"))
1125                 conf->vht_capab |= VHT_CAP_VHT_TXOP_PS;
1126         if (os_strstr(capab, "[HTC-VHT]"))
1127                 conf->vht_capab |= VHT_CAP_HTC_VHT;
1128         if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP7]"))
1129                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MAX;
1130         else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP6]"))
1131                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_6;
1132         else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP5]"))
1133                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_5;
1134         else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP4]"))
1135                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_4;
1136         else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP3]"))
1137                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_3;
1138         else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP2]"))
1139                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_2;
1140         else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP1]"))
1141                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_1;
1142         if (os_strstr(capab, "[VHT-LINK-ADAPT2]") &&
1143             (conf->vht_capab & VHT_CAP_HTC_VHT))
1144                 conf->vht_capab |= VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB;
1145         if (os_strstr(capab, "[VHT-LINK-ADAPT3]") &&
1146             (conf->vht_capab & VHT_CAP_HTC_VHT))
1147                 conf->vht_capab |= VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB;
1148         if (os_strstr(capab, "[RX-ANTENNA-PATTERN]"))
1149                 conf->vht_capab |= VHT_CAP_RX_ANTENNA_PATTERN;
1150         if (os_strstr(capab, "[TX-ANTENNA-PATTERN]"))
1151                 conf->vht_capab |= VHT_CAP_TX_ANTENNA_PATTERN;
1152         return 0;
1153 }
1154 #endif /* CONFIG_IEEE80211AC */
1155
1156
1157 #ifdef CONFIG_INTERWORKING
1158 static int parse_roaming_consortium(struct hostapd_bss_config *bss, char *pos,
1159                                     int line)
1160 {
1161         size_t len = os_strlen(pos);
1162         u8 oi[MAX_ROAMING_CONSORTIUM_LEN];
1163
1164         struct hostapd_roaming_consortium *rc;
1165
1166         if ((len & 1) || len < 2 * 3 || len / 2 > MAX_ROAMING_CONSORTIUM_LEN ||
1167             hexstr2bin(pos, oi, len / 2)) {
1168                 wpa_printf(MSG_ERROR, "Line %d: invalid roaming_consortium "
1169                            "'%s'", line, pos);
1170                 return -1;
1171         }
1172         len /= 2;
1173
1174         rc = os_realloc_array(bss->roaming_consortium,
1175                               bss->roaming_consortium_count + 1,
1176                               sizeof(struct hostapd_roaming_consortium));
1177         if (rc == NULL)
1178                 return -1;
1179
1180         os_memcpy(rc[bss->roaming_consortium_count].oi, oi, len);
1181         rc[bss->roaming_consortium_count].len = len;
1182
1183         bss->roaming_consortium = rc;
1184         bss->roaming_consortium_count++;
1185
1186         return 0;
1187 }
1188
1189
1190 static int parse_lang_string(struct hostapd_lang_string **array,
1191                              unsigned int *count, char *pos)
1192 {
1193         char *sep, *str = NULL;
1194         size_t clen, nlen, slen;
1195         struct hostapd_lang_string *ls;
1196         int ret = -1;
1197
1198         if (*pos == '"' || (*pos == 'P' && pos[1] == '"')) {
1199                 str = wpa_config_parse_string(pos, &slen);
1200                 if (!str)
1201                         return -1;
1202                 pos = str;
1203         }
1204
1205         sep = os_strchr(pos, ':');
1206         if (sep == NULL)
1207                 goto fail;
1208         *sep++ = '\0';
1209
1210         clen = os_strlen(pos);
1211         if (clen < 2 || clen > sizeof(ls->lang))
1212                 goto fail;
1213         nlen = os_strlen(sep);
1214         if (nlen > 252)
1215                 goto fail;
1216
1217         ls = os_realloc_array(*array, *count + 1,
1218                               sizeof(struct hostapd_lang_string));
1219         if (ls == NULL)
1220                 goto fail;
1221
1222         *array = ls;
1223         ls = &(*array)[*count];
1224         (*count)++;
1225
1226         os_memset(ls->lang, 0, sizeof(ls->lang));
1227         os_memcpy(ls->lang, pos, clen);
1228         ls->name_len = nlen;
1229         os_memcpy(ls->name, sep, nlen);
1230
1231         ret = 0;
1232 fail:
1233         os_free(str);
1234         return ret;
1235 }
1236
1237
1238 static int parse_venue_name(struct hostapd_bss_config *bss, char *pos,
1239                             int line)
1240 {
1241         if (parse_lang_string(&bss->venue_name, &bss->venue_name_count, pos)) {
1242                 wpa_printf(MSG_ERROR, "Line %d: Invalid venue_name '%s'",
1243                            line, pos);
1244                 return -1;
1245         }
1246         return 0;
1247 }
1248
1249
1250 static int parse_3gpp_cell_net(struct hostapd_bss_config *bss, char *buf,
1251                                int line)
1252 {
1253         size_t count;
1254         char *pos;
1255         u8 *info = NULL, *ipos;
1256
1257         /* format: <MCC1,MNC1>[;<MCC2,MNC2>][;...] */
1258
1259         count = 1;
1260         for (pos = buf; *pos; pos++) {
1261                 if ((*pos < '0' && *pos > '9') && *pos != ';' && *pos != ',')
1262                         goto fail;
1263                 if (*pos == ';')
1264                         count++;
1265         }
1266         if (1 + count * 3 > 0x7f)
1267                 goto fail;
1268
1269         info = os_zalloc(2 + 3 + count * 3);
1270         if (info == NULL)
1271                 return -1;
1272
1273         ipos = info;
1274         *ipos++ = 0; /* GUD - Version 1 */
1275         *ipos++ = 3 + count * 3; /* User Data Header Length (UDHL) */
1276         *ipos++ = 0; /* PLMN List IEI */
1277         /* ext(b8) | Length of PLMN List value contents(b7..1) */
1278         *ipos++ = 1 + count * 3;
1279         *ipos++ = count; /* Number of PLMNs */
1280
1281         pos = buf;
1282         while (pos && *pos) {
1283                 char *mcc, *mnc;
1284                 size_t mnc_len;
1285
1286                 mcc = pos;
1287                 mnc = os_strchr(pos, ',');
1288                 if (mnc == NULL)
1289                         goto fail;
1290                 *mnc++ = '\0';
1291                 pos = os_strchr(mnc, ';');
1292                 if (pos)
1293                         *pos++ = '\0';
1294
1295                 mnc_len = os_strlen(mnc);
1296                 if (os_strlen(mcc) != 3 || (mnc_len != 2 && mnc_len != 3))
1297                         goto fail;
1298
1299                 /* BC coded MCC,MNC */
1300                 /* MCC digit 2 | MCC digit 1 */
1301                 *ipos++ = ((mcc[1] - '0') << 4) | (mcc[0] - '0');
1302                 /* MNC digit 3 | MCC digit 3 */
1303                 *ipos++ = (((mnc_len == 2) ? 0xf0 : ((mnc[2] - '0') << 4))) |
1304                         (mcc[2] - '0');
1305                 /* MNC digit 2 | MNC digit 1 */
1306                 *ipos++ = ((mnc[1] - '0') << 4) | (mnc[0] - '0');
1307         }
1308
1309         os_free(bss->anqp_3gpp_cell_net);
1310         bss->anqp_3gpp_cell_net = info;
1311         bss->anqp_3gpp_cell_net_len = 2 + 3 + 3 * count;
1312         wpa_hexdump(MSG_MSGDUMP, "3GPP Cellular Network information",
1313                     bss->anqp_3gpp_cell_net, bss->anqp_3gpp_cell_net_len);
1314
1315         return 0;
1316
1317 fail:
1318         wpa_printf(MSG_ERROR, "Line %d: Invalid anqp_3gpp_cell_net: %s",
1319                    line, buf);
1320         os_free(info);
1321         return -1;
1322 }
1323
1324
1325 static int parse_nai_realm(struct hostapd_bss_config *bss, char *buf, int line)
1326 {
1327         struct hostapd_nai_realm_data *realm;
1328         size_t i, j, len;
1329         int *offsets;
1330         char *pos, *end, *rpos;
1331
1332         offsets = os_calloc(bss->nai_realm_count * MAX_NAI_REALMS,
1333                             sizeof(int));
1334         if (offsets == NULL)
1335                 return -1;
1336
1337         for (i = 0; i < bss->nai_realm_count; i++) {
1338                 realm = &bss->nai_realm_data[i];
1339                 for (j = 0; j < MAX_NAI_REALMS; j++) {
1340                         offsets[i * MAX_NAI_REALMS + j] =
1341                                 realm->realm[j] ?
1342                                 realm->realm[j] - realm->realm_buf : -1;
1343                 }
1344         }
1345
1346         realm = os_realloc_array(bss->nai_realm_data, bss->nai_realm_count + 1,
1347                                  sizeof(struct hostapd_nai_realm_data));
1348         if (realm == NULL) {
1349                 os_free(offsets);
1350                 return -1;
1351         }
1352         bss->nai_realm_data = realm;
1353
1354         /* patch the pointers after realloc */
1355         for (i = 0; i < bss->nai_realm_count; i++) {
1356                 realm = &bss->nai_realm_data[i];
1357                 for (j = 0; j < MAX_NAI_REALMS; j++) {
1358                         int offs = offsets[i * MAX_NAI_REALMS + j];
1359                         if (offs >= 0)
1360                                 realm->realm[j] = realm->realm_buf + offs;
1361                         else
1362                                 realm->realm[j] = NULL;
1363                 }
1364         }
1365         os_free(offsets);
1366
1367         realm = &bss->nai_realm_data[bss->nai_realm_count];
1368         os_memset(realm, 0, sizeof(*realm));
1369
1370         pos = buf;
1371         realm->encoding = atoi(pos);
1372         pos = os_strchr(pos, ',');
1373         if (pos == NULL)
1374                 goto fail;
1375         pos++;
1376
1377         end = os_strchr(pos, ',');
1378         if (end) {
1379                 len = end - pos;
1380                 *end = '\0';
1381         } else {
1382                 len = os_strlen(pos);
1383         }
1384
1385         if (len > MAX_NAI_REALMLEN) {
1386                 wpa_printf(MSG_ERROR, "Too long a realm string (%d > max %d "
1387                            "characters)", (int) len, MAX_NAI_REALMLEN);
1388                 goto fail;
1389         }
1390         os_memcpy(realm->realm_buf, pos, len);
1391
1392         if (end)
1393                 pos = end + 1;
1394         else
1395                 pos = NULL;
1396
1397         while (pos && *pos) {
1398                 struct hostapd_nai_realm_eap *eap;
1399
1400                 if (realm->eap_method_count >= MAX_NAI_EAP_METHODS) {
1401                         wpa_printf(MSG_ERROR, "Too many EAP methods");
1402                         goto fail;
1403                 }
1404
1405                 eap = &realm->eap_method[realm->eap_method_count];
1406                 realm->eap_method_count++;
1407
1408                 end = os_strchr(pos, ',');
1409                 if (end == NULL)
1410                         end = pos + os_strlen(pos);
1411
1412                 eap->eap_method = atoi(pos);
1413                 for (;;) {
1414                         pos = os_strchr(pos, '[');
1415                         if (pos == NULL || pos > end)
1416                                 break;
1417                         pos++;
1418                         if (eap->num_auths >= MAX_NAI_AUTH_TYPES) {
1419                                 wpa_printf(MSG_ERROR, "Too many auth params");
1420                                 goto fail;
1421                         }
1422                         eap->auth_id[eap->num_auths] = atoi(pos);
1423                         pos = os_strchr(pos, ':');
1424                         if (pos == NULL || pos > end)
1425                                 goto fail;
1426                         pos++;
1427                         eap->auth_val[eap->num_auths] = atoi(pos);
1428                         pos = os_strchr(pos, ']');
1429                         if (pos == NULL || pos > end)
1430                                 goto fail;
1431                         pos++;
1432                         eap->num_auths++;
1433                 }
1434
1435                 if (*end != ',')
1436                         break;
1437
1438                 pos = end + 1;
1439         }
1440
1441         /* Split realm list into null terminated realms */
1442         rpos = realm->realm_buf;
1443         i = 0;
1444         while (*rpos) {
1445                 if (i >= MAX_NAI_REALMS) {
1446                         wpa_printf(MSG_ERROR, "Too many realms");
1447                         goto fail;
1448                 }
1449                 realm->realm[i++] = rpos;
1450                 rpos = os_strchr(rpos, ';');
1451                 if (rpos == NULL)
1452                         break;
1453                 *rpos++ = '\0';
1454         }
1455
1456         bss->nai_realm_count++;
1457
1458         return 0;
1459
1460 fail:
1461         wpa_printf(MSG_ERROR, "Line %d: invalid nai_realm '%s'", line, buf);
1462         return -1;
1463 }
1464
1465
1466 static int parse_qos_map_set(struct hostapd_bss_config *bss,
1467                              char *buf, int line)
1468 {
1469         u8 qos_map_set[16 + 2 * 21], count = 0;
1470         char *pos = buf;
1471         int val;
1472
1473         for (;;) {
1474                 if (count == sizeof(qos_map_set)) {
1475                         wpa_printf(MSG_ERROR, "Line %d: Too many qos_map_set "
1476                                    "parameters '%s'", line, buf);
1477                         return -1;
1478                 }
1479
1480                 val = atoi(pos);
1481                 if (val > 255 || val < 0) {
1482                         wpa_printf(MSG_ERROR, "Line %d: Invalid qos_map_set "
1483                                    "'%s'", line, buf);
1484                         return -1;
1485                 }
1486
1487                 qos_map_set[count++] = val;
1488                 pos = os_strchr(pos, ',');
1489                 if (!pos)
1490                         break;
1491                 pos++;
1492         }
1493
1494         if (count < 16 || count & 1) {
1495                 wpa_printf(MSG_ERROR, "Line %d: Invalid qos_map_set '%s'",
1496                            line, buf);
1497                 return -1;
1498         }
1499
1500         os_memcpy(bss->qos_map_set, qos_map_set, count);
1501         bss->qos_map_set_len = count;
1502
1503         return 0;
1504 }
1505
1506 #endif /* CONFIG_INTERWORKING */
1507
1508
1509 #ifdef CONFIG_HS20
1510 static int hs20_parse_conn_capab(struct hostapd_bss_config *bss, char *buf,
1511                                  int line)
1512 {
1513         u8 *conn_cap;
1514         char *pos;
1515
1516         if (bss->hs20_connection_capability_len >= 0xfff0)
1517                 return -1;
1518
1519         conn_cap = os_realloc(bss->hs20_connection_capability,
1520                               bss->hs20_connection_capability_len + 4);
1521         if (conn_cap == NULL)
1522                 return -1;
1523
1524         bss->hs20_connection_capability = conn_cap;
1525         conn_cap += bss->hs20_connection_capability_len;
1526         pos = buf;
1527         conn_cap[0] = atoi(pos);
1528         pos = os_strchr(pos, ':');
1529         if (pos == NULL)
1530                 return -1;
1531         pos++;
1532         WPA_PUT_LE16(conn_cap + 1, atoi(pos));
1533         pos = os_strchr(pos, ':');
1534         if (pos == NULL)
1535                 return -1;
1536         pos++;
1537         conn_cap[3] = atoi(pos);
1538         bss->hs20_connection_capability_len += 4;
1539
1540         return 0;
1541 }
1542
1543
1544 static int hs20_parse_wan_metrics(struct hostapd_bss_config *bss, char *buf,
1545                                   int line)
1546 {
1547         u8 *wan_metrics;
1548         char *pos;
1549
1550         /* <WAN Info>:<DL Speed>:<UL Speed>:<DL Load>:<UL Load>:<LMD> */
1551
1552         wan_metrics = os_zalloc(13);
1553         if (wan_metrics == NULL)
1554                 return -1;
1555
1556         pos = buf;
1557         /* WAN Info */
1558         if (hexstr2bin(pos, wan_metrics, 1) < 0)
1559                 goto fail;
1560         pos += 2;
1561         if (*pos != ':')
1562                 goto fail;
1563         pos++;
1564
1565         /* Downlink Speed */
1566         WPA_PUT_LE32(wan_metrics + 1, atoi(pos));
1567         pos = os_strchr(pos, ':');
1568         if (pos == NULL)
1569                 goto fail;
1570         pos++;
1571
1572         /* Uplink Speed */
1573         WPA_PUT_LE32(wan_metrics + 5, atoi(pos));
1574         pos = os_strchr(pos, ':');
1575         if (pos == NULL)
1576                 goto fail;
1577         pos++;
1578
1579         /* Downlink Load */
1580         wan_metrics[9] = atoi(pos);
1581         pos = os_strchr(pos, ':');
1582         if (pos == NULL)
1583                 goto fail;
1584         pos++;
1585
1586         /* Uplink Load */
1587         wan_metrics[10] = atoi(pos);
1588         pos = os_strchr(pos, ':');
1589         if (pos == NULL)
1590                 goto fail;
1591         pos++;
1592
1593         /* LMD */
1594         WPA_PUT_LE16(wan_metrics + 11, atoi(pos));
1595
1596         os_free(bss->hs20_wan_metrics);
1597         bss->hs20_wan_metrics = wan_metrics;
1598
1599         return 0;
1600
1601 fail:
1602         wpa_printf(MSG_ERROR, "Line %d: Invalid hs20_wan_metrics '%s'",
1603                    line, pos);
1604         os_free(wan_metrics);
1605         return -1;
1606 }
1607
1608
1609 static int hs20_parse_oper_friendly_name(struct hostapd_bss_config *bss,
1610                                          char *pos, int line)
1611 {
1612         if (parse_lang_string(&bss->hs20_oper_friendly_name,
1613                               &bss->hs20_oper_friendly_name_count, pos)) {
1614                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1615                            "hs20_oper_friendly_name '%s'", line, pos);
1616                 return -1;
1617         }
1618         return 0;
1619 }
1620
1621
1622 static int hs20_parse_icon(struct hostapd_bss_config *bss, char *pos)
1623 {
1624         struct hs20_icon *icon;
1625         char *end;
1626
1627         icon = os_realloc_array(bss->hs20_icons, bss->hs20_icons_count + 1,
1628                                 sizeof(struct hs20_icon));
1629         if (icon == NULL)
1630                 return -1;
1631         bss->hs20_icons = icon;
1632         icon = &bss->hs20_icons[bss->hs20_icons_count];
1633         os_memset(icon, 0, sizeof(*icon));
1634
1635         icon->width = atoi(pos);
1636         pos = os_strchr(pos, ':');
1637         if (pos == NULL)
1638                 return -1;
1639         pos++;
1640
1641         icon->height = atoi(pos);
1642         pos = os_strchr(pos, ':');
1643         if (pos == NULL)
1644                 return -1;
1645         pos++;
1646
1647         end = os_strchr(pos, ':');
1648         if (end == NULL || end - pos > 3)
1649                 return -1;
1650         os_memcpy(icon->language, pos, end - pos);
1651         pos = end + 1;
1652
1653         end = os_strchr(pos, ':');
1654         if (end == NULL || end - pos > 255)
1655                 return -1;
1656         os_memcpy(icon->type, pos, end - pos);
1657         pos = end + 1;
1658
1659         end = os_strchr(pos, ':');
1660         if (end == NULL || end - pos > 255)
1661                 return -1;
1662         os_memcpy(icon->name, pos, end - pos);
1663         pos = end + 1;
1664
1665         if (os_strlen(pos) > 255)
1666                 return -1;
1667         os_memcpy(icon->file, pos, os_strlen(pos));
1668
1669         bss->hs20_icons_count++;
1670
1671         return 0;
1672 }
1673
1674
1675 static int hs20_parse_osu_ssid(struct hostapd_bss_config *bss,
1676                                char *pos, int line)
1677 {
1678         size_t slen;
1679         char *str;
1680
1681         str = wpa_config_parse_string(pos, &slen);
1682         if (str == NULL || slen < 1 || slen > HOSTAPD_MAX_SSID_LEN) {
1683                 wpa_printf(MSG_ERROR, "Line %d: Invalid SSID '%s'", line, pos);
1684                 os_free(str);
1685                 return -1;
1686         }
1687
1688         os_memcpy(bss->osu_ssid, str, slen);
1689         bss->osu_ssid_len = slen;
1690         os_free(str);
1691
1692         return 0;
1693 }
1694
1695
1696 static int hs20_parse_osu_server_uri(struct hostapd_bss_config *bss,
1697                                      char *pos, int line)
1698 {
1699         struct hs20_osu_provider *p;
1700
1701         p = os_realloc_array(bss->hs20_osu_providers,
1702                              bss->hs20_osu_providers_count + 1, sizeof(*p));
1703         if (p == NULL)
1704                 return -1;
1705
1706         bss->hs20_osu_providers = p;
1707         bss->last_osu = &bss->hs20_osu_providers[bss->hs20_osu_providers_count];
1708         bss->hs20_osu_providers_count++;
1709         os_memset(bss->last_osu, 0, sizeof(*p));
1710         bss->last_osu->server_uri = os_strdup(pos);
1711
1712         return 0;
1713 }
1714
1715
1716 static int hs20_parse_osu_friendly_name(struct hostapd_bss_config *bss,
1717                                         char *pos, int line)
1718 {
1719         if (bss->last_osu == NULL) {
1720                 wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
1721                 return -1;
1722         }
1723
1724         if (parse_lang_string(&bss->last_osu->friendly_name,
1725                               &bss->last_osu->friendly_name_count, pos)) {
1726                 wpa_printf(MSG_ERROR, "Line %d: Invalid osu_friendly_name '%s'",
1727                            line, pos);
1728                 return -1;
1729         }
1730
1731         return 0;
1732 }
1733
1734
1735 static int hs20_parse_osu_nai(struct hostapd_bss_config *bss,
1736                               char *pos, int line)
1737 {
1738         if (bss->last_osu == NULL) {
1739                 wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
1740                 return -1;
1741         }
1742
1743         os_free(bss->last_osu->osu_nai);
1744         bss->last_osu->osu_nai = os_strdup(pos);
1745         if (bss->last_osu->osu_nai == NULL)
1746                 return -1;
1747
1748         return 0;
1749 }
1750
1751
1752 static int hs20_parse_osu_method_list(struct hostapd_bss_config *bss, char *pos,
1753                                       int line)
1754 {
1755         if (bss->last_osu == NULL) {
1756                 wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
1757                 return -1;
1758         }
1759
1760         if (hostapd_parse_intlist(&bss->last_osu->method_list, pos)) {
1761                 wpa_printf(MSG_ERROR, "Line %d: Invalid osu_method_list", line);
1762                 return -1;
1763         }
1764
1765         return 0;
1766 }
1767
1768
1769 static int hs20_parse_osu_icon(struct hostapd_bss_config *bss, char *pos,
1770                                int line)
1771 {
1772         char **n;
1773         struct hs20_osu_provider *p = bss->last_osu;
1774
1775         if (p == NULL) {
1776                 wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
1777                 return -1;
1778         }
1779
1780         n = os_realloc_array(p->icons, p->icons_count + 1, sizeof(char *));
1781         if (n == NULL)
1782                 return -1;
1783         p->icons = n;
1784         p->icons[p->icons_count] = os_strdup(pos);
1785         if (p->icons[p->icons_count] == NULL)
1786                 return -1;
1787         p->icons_count++;
1788
1789         return 0;
1790 }
1791
1792
1793 static int hs20_parse_osu_service_desc(struct hostapd_bss_config *bss,
1794                                        char *pos, int line)
1795 {
1796         if (bss->last_osu == NULL) {
1797                 wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
1798                 return -1;
1799         }
1800
1801         if (parse_lang_string(&bss->last_osu->service_desc,
1802                               &bss->last_osu->service_desc_count, pos)) {
1803                 wpa_printf(MSG_ERROR, "Line %d: Invalid osu_service_desc '%s'",
1804                            line, pos);
1805                 return -1;
1806         }
1807
1808         return 0;
1809 }
1810
1811 #endif /* CONFIG_HS20 */
1812
1813
1814 #ifdef CONFIG_WPS_NFC
1815 static struct wpabuf * hostapd_parse_bin(const char *buf)
1816 {
1817         size_t len;
1818         struct wpabuf *ret;
1819
1820         len = os_strlen(buf);
1821         if (len & 0x01)
1822                 return NULL;
1823         len /= 2;
1824
1825         ret = wpabuf_alloc(len);
1826         if (ret == NULL)
1827                 return NULL;
1828
1829         if (hexstr2bin(buf, wpabuf_put(ret, len), len)) {
1830                 wpabuf_free(ret);
1831                 return NULL;
1832         }
1833
1834         return ret;
1835 }
1836 #endif /* CONFIG_WPS_NFC */
1837
1838
1839 static int hostapd_config_fill(struct hostapd_config *conf,
1840                                struct hostapd_bss_config *bss,
1841                                char *buf, char *pos, int line)
1842 {
1843         if (os_strcmp(buf, "interface") == 0) {
1844                 os_strlcpy(conf->bss[0]->iface, pos,
1845                            sizeof(conf->bss[0]->iface));
1846         } else if (os_strcmp(buf, "bridge") == 0) {
1847                 os_strlcpy(bss->bridge, pos, sizeof(bss->bridge));
1848         } else if (os_strcmp(buf, "vlan_bridge") == 0) {
1849                 os_strlcpy(bss->vlan_bridge, pos, sizeof(bss->vlan_bridge));
1850         } else if (os_strcmp(buf, "wds_bridge") == 0) {
1851                 os_strlcpy(bss->wds_bridge, pos, sizeof(bss->wds_bridge));
1852         } else if (os_strcmp(buf, "driver") == 0) {
1853                 int j;
1854                 /* clear to get error below if setting is invalid */
1855                 conf->driver = NULL;
1856                 for (j = 0; wpa_drivers[j]; j++) {
1857                         if (os_strcmp(pos, wpa_drivers[j]->name) == 0) {
1858                                 conf->driver = wpa_drivers[j];
1859                                 break;
1860                         }
1861                 }
1862                 if (conf->driver == NULL) {
1863                         wpa_printf(MSG_ERROR,
1864                                    "Line %d: invalid/unknown driver '%s'",
1865                                    line, pos);
1866                         return 1;
1867                 }
1868         } else if (os_strcmp(buf, "debug") == 0) {
1869                 wpa_printf(MSG_DEBUG, "Line %d: DEPRECATED: 'debug' configuration variable is not used anymore",
1870                            line);
1871         } else if (os_strcmp(buf, "logger_syslog_level") == 0) {
1872                 bss->logger_syslog_level = atoi(pos);
1873         } else if (os_strcmp(buf, "logger_stdout_level") == 0) {
1874                 bss->logger_stdout_level = atoi(pos);
1875         } else if (os_strcmp(buf, "logger_syslog") == 0) {
1876                 bss->logger_syslog = atoi(pos);
1877         } else if (os_strcmp(buf, "logger_stdout") == 0) {
1878                 bss->logger_stdout = atoi(pos);
1879         } else if (os_strcmp(buf, "dump_file") == 0) {
1880                 wpa_printf(MSG_INFO, "Line %d: DEPRECATED: 'dump_file' configuration variable is not used anymore",
1881                            line);
1882         } else if (os_strcmp(buf, "ssid") == 0) {
1883                 bss->ssid.ssid_len = os_strlen(pos);
1884                 if (bss->ssid.ssid_len > HOSTAPD_MAX_SSID_LEN ||
1885                     bss->ssid.ssid_len < 1) {
1886                         wpa_printf(MSG_ERROR, "Line %d: invalid SSID '%s'",
1887                                    line, pos);
1888                         return 1;
1889                 }
1890                 os_memcpy(bss->ssid.ssid, pos, bss->ssid.ssid_len);
1891                 bss->ssid.ssid_set = 1;
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                         os_free(str);
1899                         return 1;
1900                 }
1901                 os_memcpy(bss->ssid.ssid, str, slen);
1902                 bss->ssid.ssid_len = slen;
1903                 bss->ssid.ssid_set = 1;
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                         return 1;
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                         return 1;
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                         return 1;
1956                 }
1957                 wpa_printf(MSG_DEBUG, "eapol_version=%d", bss->eapol_version);
1958 #ifdef EAP_SERVER
1959         } else if (os_strcmp(buf, "eap_authenticator") == 0) {
1960                 bss->eap_server = atoi(pos);
1961                 wpa_printf(MSG_ERROR, "Line %d: obsolete eap_authenticator used; this has been renamed to eap_server", line);
1962         } else if (os_strcmp(buf, "eap_server") == 0) {
1963                 bss->eap_server = atoi(pos);
1964         } else if (os_strcmp(buf, "eap_user_file") == 0) {
1965                 if (hostapd_config_read_eap_user(pos, bss))
1966                         return 1;
1967         } else if (os_strcmp(buf, "ca_cert") == 0) {
1968                 os_free(bss->ca_cert);
1969                 bss->ca_cert = os_strdup(pos);
1970         } else if (os_strcmp(buf, "server_cert") == 0) {
1971                 os_free(bss->server_cert);
1972                 bss->server_cert = os_strdup(pos);
1973         } else if (os_strcmp(buf, "private_key") == 0) {
1974                 os_free(bss->private_key);
1975                 bss->private_key = os_strdup(pos);
1976         } else if (os_strcmp(buf, "private_key_passwd") == 0) {
1977                 os_free(bss->private_key_passwd);
1978                 bss->private_key_passwd = os_strdup(pos);
1979         } else if (os_strcmp(buf, "check_crl") == 0) {
1980                 bss->check_crl = atoi(pos);
1981         } else if (os_strcmp(buf, "ocsp_stapling_response") == 0) {
1982                 os_free(bss->ocsp_stapling_response);
1983                 bss->ocsp_stapling_response = os_strdup(pos);
1984         } else if (os_strcmp(buf, "dh_file") == 0) {
1985                 os_free(bss->dh_file);
1986                 bss->dh_file = os_strdup(pos);
1987         } else if (os_strcmp(buf, "fragment_size") == 0) {
1988                 bss->fragment_size = atoi(pos);
1989 #ifdef EAP_SERVER_FAST
1990         } else if (os_strcmp(buf, "pac_opaque_encr_key") == 0) {
1991                 os_free(bss->pac_opaque_encr_key);
1992                 bss->pac_opaque_encr_key = os_malloc(16);
1993                 if (bss->pac_opaque_encr_key == NULL) {
1994                         wpa_printf(MSG_ERROR,
1995                                    "Line %d: No memory for pac_opaque_encr_key",
1996                                    line);
1997                         return 1;
1998                 } else if (hexstr2bin(pos, bss->pac_opaque_encr_key, 16)) {
1999                         wpa_printf(MSG_ERROR, "Line %d: Invalid pac_opaque_encr_key",
2000                                    line);
2001                         return 1;
2002                 }
2003         } else if (os_strcmp(buf, "eap_fast_a_id") == 0) {
2004                 size_t idlen = os_strlen(pos);
2005                 if (idlen & 1) {
2006                         wpa_printf(MSG_ERROR, "Line %d: Invalid eap_fast_a_id",
2007                                    line);
2008                         return 1;
2009                 }
2010                 os_free(bss->eap_fast_a_id);
2011                 bss->eap_fast_a_id = os_malloc(idlen / 2);
2012                 if (bss->eap_fast_a_id == NULL ||
2013                     hexstr2bin(pos, bss->eap_fast_a_id, idlen / 2)) {
2014                         wpa_printf(MSG_ERROR, "Line %d: Failed to parse eap_fast_a_id",
2015                                    line);
2016                         os_free(bss->eap_fast_a_id);
2017                         bss->eap_fast_a_id = NULL;
2018                         return 1;
2019                 } else {
2020                         bss->eap_fast_a_id_len = idlen / 2;
2021                 }
2022         } else if (os_strcmp(buf, "eap_fast_a_id_info") == 0) {
2023                 os_free(bss->eap_fast_a_id_info);
2024                 bss->eap_fast_a_id_info = os_strdup(pos);
2025         } else if (os_strcmp(buf, "eap_fast_prov") == 0) {
2026                 bss->eap_fast_prov = atoi(pos);
2027         } else if (os_strcmp(buf, "pac_key_lifetime") == 0) {
2028                 bss->pac_key_lifetime = atoi(pos);
2029         } else if (os_strcmp(buf, "pac_key_refresh_time") == 0) {
2030                 bss->pac_key_refresh_time = atoi(pos);
2031 #endif /* EAP_SERVER_FAST */
2032 #ifdef EAP_SERVER_SIM
2033         } else if (os_strcmp(buf, "eap_sim_db") == 0) {
2034                 os_free(bss->eap_sim_db);
2035                 bss->eap_sim_db = os_strdup(pos);
2036         } else if (os_strcmp(buf, "eap_sim_aka_result_ind") == 0) {
2037                 bss->eap_sim_aka_result_ind = atoi(pos);
2038 #endif /* EAP_SERVER_SIM */
2039 #ifdef EAP_SERVER_TNC
2040         } else if (os_strcmp(buf, "tnc") == 0) {
2041                 bss->tnc = atoi(pos);
2042 #endif /* EAP_SERVER_TNC */
2043 #ifdef EAP_SERVER_PWD
2044         } else if (os_strcmp(buf, "pwd_group") == 0) {
2045                 bss->pwd_group = atoi(pos);
2046 #endif /* EAP_SERVER_PWD */
2047 #endif /* EAP_SERVER */
2048         } else if (os_strcmp(buf, "eap_message") == 0) {
2049                 char *term;
2050                 bss->eap_req_id_text = os_strdup(pos);
2051                 if (bss->eap_req_id_text == NULL) {
2052                         wpa_printf(MSG_ERROR, "Line %d: Failed to allocate memory for eap_req_id_text",
2053                                    line);
2054                         return 1;
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                         return 1;
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                         return 1;
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                         return 1;
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                         return 1;
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                         return 1;
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                         return 1;
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                         return 1;
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                         return 1;
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                         return 1;
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                         return 1;
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                         return 1;
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                         return 1;
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                         return 1;
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                         return 1;
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                         return 1;
2245                 }
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         } else if (os_strcmp(buf, "wpa_psk") == 0) {
2254                 os_free(bss->ssid.wpa_psk);
2255                 bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
2256                 if (bss->ssid.wpa_psk == NULL)
2257                         return 1;
2258                 if (hexstr2bin(pos, bss->ssid.wpa_psk->psk, PMK_LEN) ||
2259                     pos[PMK_LEN * 2] != '\0') {
2260                         wpa_printf(MSG_ERROR, "Line %d: Invalid PSK '%s'.",
2261                                    line, pos);
2262                         os_free(bss->ssid.wpa_psk);
2263                         bss->ssid.wpa_psk = NULL;
2264                         return 1;
2265                 }
2266                 bss->ssid.wpa_psk->group = 1;
2267                 os_free(bss->ssid.wpa_passphrase);
2268                 bss->ssid.wpa_passphrase = NULL;
2269                 bss->ssid.wpa_psk_set = 1;
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                         return 1;
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                         return 1;
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                         return 1;
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                         return 1;
2296                 if (bss->wpa_pairwise &
2297                     (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)) {
2298                         wpa_printf(MSG_ERROR, "Line %d: unsupported pairwise cipher suite '%s'",
2299                                    bss->wpa_pairwise, pos);
2300                         return 1;
2301                 }
2302         } else if (os_strcmp(buf, "rsn_pairwise") == 0) {
2303                 bss->rsn_pairwise = hostapd_config_parse_cipher(line, pos);
2304                 if (bss->rsn_pairwise == -1 || bss->rsn_pairwise == 0)
2305                         return 1;
2306                 if (bss->rsn_pairwise &
2307                     (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)) {
2308                         wpa_printf(MSG_ERROR, "Line %d: unsupported pairwise cipher suite '%s'",
2309                                    bss->rsn_pairwise, pos);
2310                         return 1;
2311                 }
2312 #ifdef CONFIG_RSN_PREAUTH
2313         } else if (os_strcmp(buf, "rsn_preauth") == 0) {
2314                 bss->rsn_preauth = atoi(pos);
2315         } else if (os_strcmp(buf, "rsn_preauth_interfaces") == 0) {
2316                 bss->rsn_preauth_interfaces = os_strdup(pos);
2317 #endif /* CONFIG_RSN_PREAUTH */
2318 #ifdef CONFIG_PEERKEY
2319         } else if (os_strcmp(buf, "peerkey") == 0) {
2320                 bss->peerkey = atoi(pos);
2321 #endif /* CONFIG_PEERKEY */
2322 #ifdef CONFIG_IEEE80211R
2323         } else if (os_strcmp(buf, "mobility_domain") == 0) {
2324                 if (os_strlen(pos) != 2 * MOBILITY_DOMAIN_ID_LEN ||
2325                     hexstr2bin(pos, bss->mobility_domain,
2326                                MOBILITY_DOMAIN_ID_LEN) != 0) {
2327                         wpa_printf(MSG_ERROR,
2328                                    "Line %d: Invalid mobility_domain '%s'",
2329                                    line, pos);
2330                         return 1;
2331                 }
2332         } else if (os_strcmp(buf, "r1_key_holder") == 0) {
2333                 if (os_strlen(pos) != 2 * FT_R1KH_ID_LEN ||
2334                     hexstr2bin(pos, bss->r1_key_holder, FT_R1KH_ID_LEN) != 0) {
2335                         wpa_printf(MSG_ERROR,
2336                                    "Line %d: Invalid r1_key_holder '%s'",
2337                                    line, pos);
2338                         return 1;
2339                 }
2340         } else if (os_strcmp(buf, "r0_key_lifetime") == 0) {
2341                 bss->r0_key_lifetime = atoi(pos);
2342         } else if (os_strcmp(buf, "reassociation_deadline") == 0) {
2343                 bss->reassociation_deadline = atoi(pos);
2344         } else if (os_strcmp(buf, "r0kh") == 0) {
2345                 if (add_r0kh(bss, pos) < 0) {
2346                         wpa_printf(MSG_DEBUG, "Line %d: Invalid r0kh '%s'",
2347                                    line, pos);
2348                         return 1;
2349                 }
2350         } else if (os_strcmp(buf, "r1kh") == 0) {
2351                 if (add_r1kh(bss, pos) < 0) {
2352                         wpa_printf(MSG_DEBUG, "Line %d: Invalid r1kh '%s'",
2353                                    line, pos);
2354                         return 1;
2355                 }
2356         } else if (os_strcmp(buf, "pmk_r1_push") == 0) {
2357                 bss->pmk_r1_push = atoi(pos);
2358         } else if (os_strcmp(buf, "ft_over_ds") == 0) {
2359                 bss->ft_over_ds = atoi(pos);
2360 #endif /* CONFIG_IEEE80211R */
2361 #ifndef CONFIG_NO_CTRL_IFACE
2362         } else if (os_strcmp(buf, "ctrl_interface") == 0) {
2363                 os_free(bss->ctrl_interface);
2364                 bss->ctrl_interface = os_strdup(pos);
2365         } else if (os_strcmp(buf, "ctrl_interface_group") == 0) {
2366 #ifndef CONFIG_NATIVE_WINDOWS
2367                 struct group *grp;
2368                 char *endp;
2369                 const char *group = pos;
2370
2371                 grp = getgrnam(group);
2372                 if (grp) {
2373                         bss->ctrl_interface_gid = grp->gr_gid;
2374                         bss->ctrl_interface_gid_set = 1;
2375                         wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d (from group name '%s')",
2376                                    bss->ctrl_interface_gid, group);
2377                         return 0;
2378                 }
2379
2380                 /* Group name not found - try to parse this as gid */
2381                 bss->ctrl_interface_gid = strtol(group, &endp, 10);
2382                 if (*group == '\0' || *endp != '\0') {
2383                         wpa_printf(MSG_DEBUG, "Line %d: Invalid group '%s'",
2384                                    line, group);
2385                         return 1;
2386                 }
2387                 bss->ctrl_interface_gid_set = 1;
2388                 wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d",
2389                            bss->ctrl_interface_gid);
2390 #endif /* CONFIG_NATIVE_WINDOWS */
2391 #endif /* CONFIG_NO_CTRL_IFACE */
2392 #ifdef RADIUS_SERVER
2393         } else if (os_strcmp(buf, "radius_server_clients") == 0) {
2394                 os_free(bss->radius_server_clients);
2395                 bss->radius_server_clients = os_strdup(pos);
2396         } else if (os_strcmp(buf, "radius_server_auth_port") == 0) {
2397                 bss->radius_server_auth_port = atoi(pos);
2398         } else if (os_strcmp(buf, "radius_server_acct_port") == 0) {
2399                 bss->radius_server_acct_port = atoi(pos);
2400         } else if (os_strcmp(buf, "radius_server_ipv6") == 0) {
2401                 bss->radius_server_ipv6 = atoi(pos);
2402 #endif /* RADIUS_SERVER */
2403         } else if (os_strcmp(buf, "test_socket") == 0) {
2404                 os_free(bss->test_socket);
2405                 bss->test_socket = os_strdup(pos);
2406         } else if (os_strcmp(buf, "use_pae_group_addr") == 0) {
2407                 bss->use_pae_group_addr = atoi(pos);
2408         } else if (os_strcmp(buf, "hw_mode") == 0) {
2409                 if (os_strcmp(pos, "a") == 0)
2410                         conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
2411                 else if (os_strcmp(pos, "b") == 0)
2412                         conf->hw_mode = HOSTAPD_MODE_IEEE80211B;
2413                 else if (os_strcmp(pos, "g") == 0)
2414                         conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
2415                 else if (os_strcmp(pos, "ad") == 0)
2416                         conf->hw_mode = HOSTAPD_MODE_IEEE80211AD;
2417                 else {
2418                         wpa_printf(MSG_ERROR, "Line %d: unknown hw_mode '%s'",
2419                                    line, pos);
2420                         return 1;
2421                 }
2422         } else if (os_strcmp(buf, "wps_rf_bands") == 0) {
2423                 if (os_strcmp(pos, "a") == 0)
2424                         bss->wps_rf_bands = WPS_RF_50GHZ;
2425                 else if (os_strcmp(pos, "g") == 0 ||
2426                          os_strcmp(pos, "b") == 0)
2427                         bss->wps_rf_bands = WPS_RF_24GHZ;
2428                 else if (os_strcmp(pos, "ag") == 0 ||
2429                          os_strcmp(pos, "ga") == 0)
2430                         bss->wps_rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ;
2431                 else {
2432                         wpa_printf(MSG_ERROR,
2433                                    "Line %d: unknown wps_rf_band '%s'",
2434                                    line, pos);
2435                         return 1;
2436                 }
2437         } else if (os_strcmp(buf, "channel") == 0) {
2438                 if (os_strcmp(pos, "acs_survey") == 0) {
2439 #ifndef CONFIG_ACS
2440                         wpa_printf(MSG_ERROR, "Line %d: tries to enable ACS but CONFIG_ACS disabled",
2441                                    line);
2442                         return 1;
2443 #endif /* CONFIG_ACS */
2444                         conf->channel = 0;
2445                 } else
2446                         conf->channel = atoi(pos);
2447         } else if (os_strcmp(buf, "chanlist") == 0) {
2448                 if (hostapd_parse_intlist(&conf->chanlist, pos)) {
2449                         wpa_printf(MSG_ERROR, "Line %d: invalid channel list",
2450                                    line);
2451                         return 1;
2452                 }
2453         } else if (os_strcmp(buf, "beacon_int") == 0) {
2454                 int val = atoi(pos);
2455                 /* MIB defines range as 1..65535, but very small values
2456                  * cause problems with the current implementation.
2457                  * Since it is unlikely that this small numbers are
2458                  * useful in real life scenarios, do not allow beacon
2459                  * period to be set below 15 TU. */
2460                 if (val < 15 || val > 65535) {
2461                         wpa_printf(MSG_ERROR, "Line %d: invalid beacon_int %d (expected 15..65535)",
2462                                    line, val);
2463                         return 1;
2464                 }
2465                 conf->beacon_int = val;
2466 #ifdef CONFIG_ACS
2467         } else if (os_strcmp(buf, "acs_num_scans") == 0) {
2468                 int val = atoi(pos);
2469                 if (val <= 0 || val > 100) {
2470                         wpa_printf(MSG_ERROR, "Line %d: invalid acs_num_scans %d (expected 1..100)",
2471                                    line, val);
2472                         return 1;
2473                 }
2474                 conf->acs_num_scans = val;
2475 #endif /* CONFIG_ACS */
2476         } else if (os_strcmp(buf, "dtim_period") == 0) {
2477                 bss->dtim_period = atoi(pos);
2478                 if (bss->dtim_period < 1 || bss->dtim_period > 255) {
2479                         wpa_printf(MSG_ERROR, "Line %d: invalid dtim_period %d",
2480                                    line, bss->dtim_period);
2481                         return 1;
2482                 }
2483         } else if (os_strcmp(buf, "rts_threshold") == 0) {
2484                 conf->rts_threshold = atoi(pos);
2485                 if (conf->rts_threshold < 0 || conf->rts_threshold > 2347) {
2486                         wpa_printf(MSG_ERROR,
2487                                    "Line %d: invalid rts_threshold %d",
2488                                    line, conf->rts_threshold);
2489                         return 1;
2490                 }
2491         } else if (os_strcmp(buf, "fragm_threshold") == 0) {
2492                 conf->fragm_threshold = atoi(pos);
2493                 if (conf->fragm_threshold < 256 ||
2494                     conf->fragm_threshold > 2346) {
2495                         wpa_printf(MSG_ERROR,
2496                                    "Line %d: invalid fragm_threshold %d",
2497                                    line, conf->fragm_threshold);
2498                         return 1;
2499                 }
2500         } else if (os_strcmp(buf, "send_probe_response") == 0) {
2501                 int val = atoi(pos);
2502                 if (val != 0 && val != 1) {
2503                         wpa_printf(MSG_ERROR, "Line %d: invalid send_probe_response %d (expected 0 or 1)",
2504                                    line, val);
2505                         return 1;
2506                 }
2507                 conf->send_probe_response = val;
2508         } else if (os_strcmp(buf, "supported_rates") == 0) {
2509                 if (hostapd_parse_intlist(&conf->supported_rates, pos)) {
2510                         wpa_printf(MSG_ERROR, "Line %d: invalid rate list",
2511                                    line);
2512                         return 1;
2513                 }
2514         } else if (os_strcmp(buf, "basic_rates") == 0) {
2515                 if (hostapd_parse_intlist(&conf->basic_rates, pos)) {
2516                         wpa_printf(MSG_ERROR, "Line %d: invalid rate list",
2517                                    line);
2518                         return 1;
2519                 }
2520         } else if (os_strcmp(buf, "preamble") == 0) {
2521                 if (atoi(pos))
2522                         conf->preamble = SHORT_PREAMBLE;
2523                 else
2524                         conf->preamble = LONG_PREAMBLE;
2525         } else if (os_strcmp(buf, "ignore_broadcast_ssid") == 0) {
2526                 bss->ignore_broadcast_ssid = atoi(pos);
2527         } else if (os_strcmp(buf, "wep_default_key") == 0) {
2528                 bss->ssid.wep.idx = atoi(pos);
2529                 if (bss->ssid.wep.idx > 3) {
2530                         wpa_printf(MSG_ERROR,
2531                                    "Invalid wep_default_key index %d",
2532                                    bss->ssid.wep.idx);
2533                         return 1;
2534                 }
2535         } else if (os_strcmp(buf, "wep_key0") == 0 ||
2536                    os_strcmp(buf, "wep_key1") == 0 ||
2537                    os_strcmp(buf, "wep_key2") == 0 ||
2538                    os_strcmp(buf, "wep_key3") == 0) {
2539                 if (hostapd_config_read_wep(&bss->ssid.wep,
2540                                             buf[7] - '0', pos)) {
2541                         wpa_printf(MSG_ERROR, "Line %d: invalid WEP key '%s'",
2542                                    line, buf);
2543                         return 1;
2544                 }
2545 #ifndef CONFIG_NO_VLAN
2546         } else if (os_strcmp(buf, "dynamic_vlan") == 0) {
2547                 bss->ssid.dynamic_vlan = atoi(pos);
2548         } else if (os_strcmp(buf, "vlan_file") == 0) {
2549                 if (hostapd_config_read_vlan_file(bss, pos)) {
2550                         wpa_printf(MSG_ERROR, "Line %d: failed to read VLAN file '%s'",
2551                                    line, pos);
2552                         return 1;
2553                 }
2554         } else if (os_strcmp(buf, "vlan_naming") == 0) {
2555                 bss->ssid.vlan_naming = atoi(pos);
2556                 if (bss->ssid.vlan_naming >= DYNAMIC_VLAN_NAMING_END ||
2557                     bss->ssid.vlan_naming < 0) {
2558                         wpa_printf(MSG_ERROR,
2559                                    "Line %d: invalid naming scheme %d",
2560                                    line, bss->ssid.vlan_naming);
2561                         return 1;
2562                 }
2563 #ifdef CONFIG_FULL_DYNAMIC_VLAN
2564         } else if (os_strcmp(buf, "vlan_tagged_interface") == 0) {
2565                 bss->ssid.vlan_tagged_interface = os_strdup(pos);
2566 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
2567 #endif /* CONFIG_NO_VLAN */
2568         } else if (os_strcmp(buf, "ap_table_max_size") == 0) {
2569                 conf->ap_table_max_size = atoi(pos);
2570         } else if (os_strcmp(buf, "ap_table_expiration_time") == 0) {
2571                 conf->ap_table_expiration_time = atoi(pos);
2572         } else if (os_strncmp(buf, "tx_queue_", 9) == 0) {
2573                 if (hostapd_config_tx_queue(conf, buf, pos)) {
2574                         wpa_printf(MSG_ERROR, "Line %d: invalid TX queue item",
2575                                    line);
2576                         return 1;
2577                 }
2578         } else if (os_strcmp(buf, "wme_enabled") == 0 ||
2579                    os_strcmp(buf, "wmm_enabled") == 0) {
2580                 bss->wmm_enabled = atoi(pos);
2581         } else if (os_strcmp(buf, "uapsd_advertisement_enabled") == 0) {
2582                 bss->wmm_uapsd = atoi(pos);
2583         } else if (os_strncmp(buf, "wme_ac_", 7) == 0 ||
2584                    os_strncmp(buf, "wmm_ac_", 7) == 0) {
2585                 if (hostapd_config_wmm_ac(conf->wmm_ac_params, buf, pos)) {
2586                         wpa_printf(MSG_ERROR, "Line %d: invalid WMM ac item",
2587                                    line);
2588                         return 1;
2589                 }
2590         } else if (os_strcmp(buf, "bss") == 0) {
2591                 if (hostapd_config_bss(conf, pos)) {
2592                         wpa_printf(MSG_ERROR, "Line %d: invalid bss item",
2593                                    line);
2594                         return 1;
2595                 }
2596         } else if (os_strcmp(buf, "bssid") == 0) {
2597                 if (hwaddr_aton(pos, bss->bssid)) {
2598                         wpa_printf(MSG_ERROR, "Line %d: invalid bssid item",
2599                                    line);
2600                         return 1;
2601                 }
2602 #ifdef CONFIG_IEEE80211W
2603         } else if (os_strcmp(buf, "ieee80211w") == 0) {
2604                 bss->ieee80211w = atoi(pos);
2605         } else if (os_strcmp(buf, "group_mgmt_cipher") == 0) {
2606                 if (os_strcmp(pos, "AES-128-CMAC") == 0) {
2607                         bss->group_mgmt_cipher = WPA_CIPHER_AES_128_CMAC;
2608                 } else if (os_strcmp(pos, "BIP-GMAC-128") == 0) {
2609                         bss->group_mgmt_cipher = WPA_CIPHER_BIP_GMAC_128;
2610                 } else if (os_strcmp(pos, "BIP-GMAC-256") == 0) {
2611                         bss->group_mgmt_cipher = WPA_CIPHER_BIP_GMAC_256;
2612                 } else if (os_strcmp(pos, "BIP-CMAC-256") == 0) {
2613                         bss->group_mgmt_cipher = WPA_CIPHER_BIP_CMAC_256;
2614                 } else {
2615                         wpa_printf(MSG_ERROR, "Line %d: invalid group_mgmt_cipher: %s",
2616                                    line, pos);
2617                         return 1;
2618                 }
2619         } else if (os_strcmp(buf, "assoc_sa_query_max_timeout") == 0) {
2620                 bss->assoc_sa_query_max_timeout = atoi(pos);
2621                 if (bss->assoc_sa_query_max_timeout == 0) {
2622                         wpa_printf(MSG_ERROR, "Line %d: invalid assoc_sa_query_max_timeout",
2623                                    line);
2624                         return 1;
2625                 }
2626         } else if (os_strcmp(buf, "assoc_sa_query_retry_timeout") == 0) {
2627                 bss->assoc_sa_query_retry_timeout = atoi(pos);
2628                 if (bss->assoc_sa_query_retry_timeout == 0) {
2629                         wpa_printf(MSG_ERROR, "Line %d: invalid assoc_sa_query_retry_timeout",
2630                                    line);
2631                         return 1;
2632                 }
2633 #endif /* CONFIG_IEEE80211W */
2634 #ifdef CONFIG_IEEE80211N
2635         } else if (os_strcmp(buf, "ieee80211n") == 0) {
2636                 conf->ieee80211n = atoi(pos);
2637         } else if (os_strcmp(buf, "ht_capab") == 0) {
2638                 if (hostapd_config_ht_capab(conf, pos) < 0) {
2639                         wpa_printf(MSG_ERROR, "Line %d: invalid ht_capab",
2640                                    line);
2641                         return 1;
2642                 }
2643         } else if (os_strcmp(buf, "require_ht") == 0) {
2644                 conf->require_ht = atoi(pos);
2645         } else if (os_strcmp(buf, "obss_interval") == 0) {
2646                 conf->obss_interval = atoi(pos);
2647 #endif /* CONFIG_IEEE80211N */
2648 #ifdef CONFIG_IEEE80211AC
2649         } else if (os_strcmp(buf, "ieee80211ac") == 0) {
2650                 conf->ieee80211ac = atoi(pos);
2651         } else if (os_strcmp(buf, "vht_capab") == 0) {
2652                 if (hostapd_config_vht_capab(conf, pos) < 0) {
2653                         wpa_printf(MSG_ERROR, "Line %d: invalid vht_capab",
2654                                    line);
2655                         return 1;
2656                 }
2657         } else if (os_strcmp(buf, "require_vht") == 0) {
2658                 conf->require_vht = atoi(pos);
2659         } else if (os_strcmp(buf, "vht_oper_chwidth") == 0) {
2660                 conf->vht_oper_chwidth = atoi(pos);
2661         } else if (os_strcmp(buf, "vht_oper_centr_freq_seg0_idx") == 0) {
2662                 conf->vht_oper_centr_freq_seg0_idx = atoi(pos);
2663         } else if (os_strcmp(buf, "vht_oper_centr_freq_seg1_idx") == 0) {
2664                 conf->vht_oper_centr_freq_seg1_idx = atoi(pos);
2665 #endif /* CONFIG_IEEE80211AC */
2666         } else if (os_strcmp(buf, "max_listen_interval") == 0) {
2667                 bss->max_listen_interval = atoi(pos);
2668         } else if (os_strcmp(buf, "disable_pmksa_caching") == 0) {
2669                 bss->disable_pmksa_caching = atoi(pos);
2670         } else if (os_strcmp(buf, "okc") == 0) {
2671                 bss->okc = atoi(pos);
2672 #ifdef CONFIG_WPS
2673         } else if (os_strcmp(buf, "wps_state") == 0) {
2674                 bss->wps_state = atoi(pos);
2675                 if (bss->wps_state < 0 || bss->wps_state > 2) {
2676                         wpa_printf(MSG_ERROR, "Line %d: invalid wps_state",
2677                                    line);
2678                         return 1;
2679                 }
2680         } else if (os_strcmp(buf, "wps_independent") == 0) {
2681                 bss->wps_independent = atoi(pos);
2682         } else if (os_strcmp(buf, "ap_setup_locked") == 0) {
2683                 bss->ap_setup_locked = atoi(pos);
2684         } else if (os_strcmp(buf, "uuid") == 0) {
2685                 if (uuid_str2bin(pos, bss->uuid)) {
2686                         wpa_printf(MSG_ERROR, "Line %d: invalid UUID", line);
2687                         return 1;
2688                 }
2689         } else if (os_strcmp(buf, "wps_pin_requests") == 0) {
2690                 os_free(bss->wps_pin_requests);
2691                 bss->wps_pin_requests = os_strdup(pos);
2692         } else if (os_strcmp(buf, "device_name") == 0) {
2693                 if (os_strlen(pos) > 32) {
2694                         wpa_printf(MSG_ERROR, "Line %d: Too long "
2695                                    "device_name", line);
2696                         return 1;
2697                 }
2698                 os_free(bss->device_name);
2699                 bss->device_name = os_strdup(pos);
2700         } else if (os_strcmp(buf, "manufacturer") == 0) {
2701                 if (os_strlen(pos) > 64) {
2702                         wpa_printf(MSG_ERROR, "Line %d: Too long manufacturer",
2703                                    line);
2704                         return 1;
2705                 }
2706                 os_free(bss->manufacturer);
2707                 bss->manufacturer = os_strdup(pos);
2708         } else if (os_strcmp(buf, "model_name") == 0) {
2709                 if (os_strlen(pos) > 32) {
2710                         wpa_printf(MSG_ERROR, "Line %d: Too long model_name",
2711                                    line);
2712                         return 1;
2713                 }
2714                 os_free(bss->model_name);
2715                 bss->model_name = os_strdup(pos);
2716         } else if (os_strcmp(buf, "model_number") == 0) {
2717                 if (os_strlen(pos) > 32) {
2718                         wpa_printf(MSG_ERROR, "Line %d: Too long model_number",
2719                                    line);
2720                         return 1;
2721                 }
2722                 os_free(bss->model_number);
2723                 bss->model_number = os_strdup(pos);
2724         } else if (os_strcmp(buf, "serial_number") == 0) {
2725                 if (os_strlen(pos) > 32) {
2726                         wpa_printf(MSG_ERROR, "Line %d: Too long serial_number",
2727                                    line);
2728                         return 1;
2729                 }
2730                 os_free(bss->serial_number);
2731                 bss->serial_number = os_strdup(pos);
2732         } else if (os_strcmp(buf, "device_type") == 0) {
2733                 if (wps_dev_type_str2bin(pos, bss->device_type))
2734                         return 1;
2735         } else if (os_strcmp(buf, "config_methods") == 0) {
2736                 os_free(bss->config_methods);
2737                 bss->config_methods = os_strdup(pos);
2738         } else if (os_strcmp(buf, "os_version") == 0) {
2739                 if (hexstr2bin(pos, bss->os_version, 4)) {
2740                         wpa_printf(MSG_ERROR, "Line %d: invalid os_version",
2741                                    line);
2742                         return 1;
2743                 }
2744         } else if (os_strcmp(buf, "ap_pin") == 0) {
2745                 os_free(bss->ap_pin);
2746                 bss->ap_pin = os_strdup(pos);
2747         } else if (os_strcmp(buf, "skip_cred_build") == 0) {
2748                 bss->skip_cred_build = atoi(pos);
2749         } else if (os_strcmp(buf, "extra_cred") == 0) {
2750                 os_free(bss->extra_cred);
2751                 bss->extra_cred = (u8 *) os_readfile(pos, &bss->extra_cred_len);
2752                 if (bss->extra_cred == NULL) {
2753                         wpa_printf(MSG_ERROR, "Line %d: could not read Credentials from '%s'",
2754                                    line, pos);
2755                         return 1;
2756                 }
2757         } else if (os_strcmp(buf, "wps_cred_processing") == 0) {
2758                 bss->wps_cred_processing = atoi(pos);
2759         } else if (os_strcmp(buf, "ap_settings") == 0) {
2760                 os_free(bss->ap_settings);
2761                 bss->ap_settings =
2762                         (u8 *) os_readfile(pos, &bss->ap_settings_len);
2763                 if (bss->ap_settings == NULL) {
2764                         wpa_printf(MSG_ERROR, "Line %d: could not read AP Settings from '%s'",
2765                                    line, pos);
2766                         return 1;
2767                 }
2768         } else if (os_strcmp(buf, "upnp_iface") == 0) {
2769                 bss->upnp_iface = os_strdup(pos);
2770         } else if (os_strcmp(buf, "friendly_name") == 0) {
2771                 os_free(bss->friendly_name);
2772                 bss->friendly_name = os_strdup(pos);
2773         } else if (os_strcmp(buf, "manufacturer_url") == 0) {
2774                 os_free(bss->manufacturer_url);
2775                 bss->manufacturer_url = os_strdup(pos);
2776         } else if (os_strcmp(buf, "model_description") == 0) {
2777                 os_free(bss->model_description);
2778                 bss->model_description = os_strdup(pos);
2779         } else if (os_strcmp(buf, "model_url") == 0) {
2780                 os_free(bss->model_url);
2781                 bss->model_url = os_strdup(pos);
2782         } else if (os_strcmp(buf, "upc") == 0) {
2783                 os_free(bss->upc);
2784                 bss->upc = os_strdup(pos);
2785         } else if (os_strcmp(buf, "pbc_in_m1") == 0) {
2786                 bss->pbc_in_m1 = atoi(pos);
2787         } else if (os_strcmp(buf, "server_id") == 0) {
2788                 os_free(bss->server_id);
2789                 bss->server_id = os_strdup(pos);
2790 #ifdef CONFIG_WPS_NFC
2791         } else if (os_strcmp(buf, "wps_nfc_dev_pw_id") == 0) {
2792                 bss->wps_nfc_dev_pw_id = atoi(pos);
2793                 if (bss->wps_nfc_dev_pw_id < 0x10 ||
2794                     bss->wps_nfc_dev_pw_id > 0xffff) {
2795                         wpa_printf(MSG_ERROR, "Line %d: Invalid wps_nfc_dev_pw_id value",
2796                                    line);
2797                         return 1;
2798                 }
2799                 bss->wps_nfc_pw_from_config = 1;
2800         } else if (os_strcmp(buf, "wps_nfc_dh_pubkey") == 0) {
2801                 wpabuf_free(bss->wps_nfc_dh_pubkey);
2802                 bss->wps_nfc_dh_pubkey = hostapd_parse_bin(pos);
2803                 bss->wps_nfc_pw_from_config = 1;
2804         } else if (os_strcmp(buf, "wps_nfc_dh_privkey") == 0) {
2805                 wpabuf_free(bss->wps_nfc_dh_privkey);
2806                 bss->wps_nfc_dh_privkey = hostapd_parse_bin(pos);
2807                 bss->wps_nfc_pw_from_config = 1;
2808         } else if (os_strcmp(buf, "wps_nfc_dev_pw") == 0) {
2809                 wpabuf_free(bss->wps_nfc_dev_pw);
2810                 bss->wps_nfc_dev_pw = hostapd_parse_bin(pos);
2811                 bss->wps_nfc_pw_from_config = 1;
2812 #endif /* CONFIG_WPS_NFC */
2813 #endif /* CONFIG_WPS */
2814 #ifdef CONFIG_P2P_MANAGER
2815         } else if (os_strcmp(buf, "manage_p2p") == 0) {
2816                 if (atoi(pos))
2817                         bss->p2p |= P2P_MANAGE;
2818                 else
2819                         bss->p2p &= ~P2P_MANAGE;
2820         } else if (os_strcmp(buf, "allow_cross_connection") == 0) {
2821                 if (atoi(pos))
2822                         bss->p2p |= P2P_ALLOW_CROSS_CONNECTION;
2823                 else
2824                         bss->p2p &= ~P2P_ALLOW_CROSS_CONNECTION;
2825 #endif /* CONFIG_P2P_MANAGER */
2826         } else if (os_strcmp(buf, "disassoc_low_ack") == 0) {
2827                 bss->disassoc_low_ack = atoi(pos);
2828         } else if (os_strcmp(buf, "tdls_prohibit") == 0) {
2829                 if (atoi(pos))
2830                         bss->tdls |= TDLS_PROHIBIT;
2831                 else
2832                         bss->tdls &= ~TDLS_PROHIBIT;
2833         } else if (os_strcmp(buf, "tdls_prohibit_chan_switch") == 0) {
2834                 if (atoi(pos))
2835                         bss->tdls |= TDLS_PROHIBIT_CHAN_SWITCH;
2836                 else
2837                         bss->tdls &= ~TDLS_PROHIBIT_CHAN_SWITCH;
2838 #ifdef CONFIG_RSN_TESTING
2839         } else if (os_strcmp(buf, "rsn_testing") == 0) {
2840                 extern int rsn_testing;
2841                 rsn_testing = atoi(pos);
2842 #endif /* CONFIG_RSN_TESTING */
2843         } else if (os_strcmp(buf, "time_advertisement") == 0) {
2844                 bss->time_advertisement = atoi(pos);
2845         } else if (os_strcmp(buf, "time_zone") == 0) {
2846                 size_t tz_len = os_strlen(pos);
2847                 if (tz_len < 4 || tz_len > 255) {
2848                         wpa_printf(MSG_DEBUG, "Line %d: invalid time_zone",
2849                                    line);
2850                         return 1;
2851                 }
2852                 os_free(bss->time_zone);
2853                 bss->time_zone = os_strdup(pos);
2854                 if (bss->time_zone == NULL)
2855                         return 1;
2856 #ifdef CONFIG_WNM
2857         } else if (os_strcmp(buf, "wnm_sleep_mode") == 0) {
2858                 bss->wnm_sleep_mode = atoi(pos);
2859         } else if (os_strcmp(buf, "bss_transition") == 0) {
2860                 bss->bss_transition = atoi(pos);
2861 #endif /* CONFIG_WNM */
2862 #ifdef CONFIG_INTERWORKING
2863         } else if (os_strcmp(buf, "interworking") == 0) {
2864                 bss->interworking = atoi(pos);
2865         } else if (os_strcmp(buf, "access_network_type") == 0) {
2866                 bss->access_network_type = atoi(pos);
2867                 if (bss->access_network_type < 0 ||
2868                     bss->access_network_type > 15) {
2869                         wpa_printf(MSG_ERROR,
2870                                    "Line %d: invalid access_network_type",
2871                                    line);
2872                         return 1;
2873                 }
2874         } else if (os_strcmp(buf, "internet") == 0) {
2875                 bss->internet = atoi(pos);
2876         } else if (os_strcmp(buf, "asra") == 0) {
2877                 bss->asra = atoi(pos);
2878         } else if (os_strcmp(buf, "esr") == 0) {
2879                 bss->esr = atoi(pos);
2880         } else if (os_strcmp(buf, "uesa") == 0) {
2881                 bss->uesa = atoi(pos);
2882         } else if (os_strcmp(buf, "venue_group") == 0) {
2883                 bss->venue_group = atoi(pos);
2884                 bss->venue_info_set = 1;
2885         } else if (os_strcmp(buf, "venue_type") == 0) {
2886                 bss->venue_type = atoi(pos);
2887                 bss->venue_info_set = 1;
2888         } else if (os_strcmp(buf, "hessid") == 0) {
2889                 if (hwaddr_aton(pos, bss->hessid)) {
2890                         wpa_printf(MSG_ERROR, "Line %d: invalid hessid", line);
2891                         return 1;
2892                 }
2893         } else if (os_strcmp(buf, "roaming_consortium") == 0) {
2894                 if (parse_roaming_consortium(bss, pos, line) < 0)
2895                         return 1;
2896         } else if (os_strcmp(buf, "venue_name") == 0) {
2897                 if (parse_venue_name(bss, pos, line) < 0)
2898                         return 1;
2899         } else if (os_strcmp(buf, "network_auth_type") == 0) {
2900                 u8 auth_type;
2901                 u16 redirect_url_len;
2902                 if (hexstr2bin(pos, &auth_type, 1)) {
2903                         wpa_printf(MSG_ERROR,
2904                                    "Line %d: Invalid network_auth_type '%s'",
2905                                    line, pos);
2906                         return 1;
2907                 }
2908                 if (auth_type == 0 || auth_type == 2)
2909                         redirect_url_len = os_strlen(pos + 2);
2910                 else
2911                         redirect_url_len = 0;
2912                 os_free(bss->network_auth_type);
2913                 bss->network_auth_type = os_malloc(redirect_url_len + 3 + 1);
2914                 if (bss->network_auth_type == NULL)
2915                         return 1;
2916                 *bss->network_auth_type = auth_type;
2917                 WPA_PUT_LE16(bss->network_auth_type + 1, redirect_url_len);
2918                 if (redirect_url_len)
2919                         os_memcpy(bss->network_auth_type + 3, pos + 2,
2920                                   redirect_url_len);
2921                 bss->network_auth_type_len = 3 + redirect_url_len;
2922         } else if (os_strcmp(buf, "ipaddr_type_availability") == 0) {
2923                 if (hexstr2bin(pos, &bss->ipaddr_type_availability, 1)) {
2924                         wpa_printf(MSG_ERROR, "Line %d: Invalid ipaddr_type_availability '%s'",
2925                                    line, pos);
2926                         bss->ipaddr_type_configured = 0;
2927                         return 1;
2928                 }
2929                 bss->ipaddr_type_configured = 1;
2930         } else if (os_strcmp(buf, "domain_name") == 0) {
2931                 int j, num_domains, domain_len, domain_list_len = 0;
2932                 char *tok_start, *tok_prev;
2933                 u8 *domain_list, *domain_ptr;
2934
2935                 domain_list_len = os_strlen(pos) + 1;
2936                 domain_list = os_malloc(domain_list_len);
2937                 if (domain_list == NULL)
2938                         return 1;
2939
2940                 domain_ptr = domain_list;
2941                 tok_prev = pos;
2942                 num_domains = 1;
2943                 while ((tok_prev = os_strchr(tok_prev, ','))) {
2944                         num_domains++;
2945                         tok_prev++;
2946                 }
2947                 tok_prev = pos;
2948                 for (j = 0; j < num_domains; j++) {
2949                         tok_start = os_strchr(tok_prev, ',');
2950                         if (tok_start) {
2951                                 domain_len = tok_start - tok_prev;
2952                                 *domain_ptr = domain_len;
2953                                 os_memcpy(domain_ptr + 1, tok_prev, domain_len);
2954                                 domain_ptr += domain_len + 1;
2955                                 tok_prev = ++tok_start;
2956                         } else {
2957                                 domain_len = os_strlen(tok_prev);
2958                                 *domain_ptr = domain_len;
2959                                 os_memcpy(domain_ptr + 1, tok_prev, domain_len);
2960                                 domain_ptr += domain_len + 1;
2961                         }
2962                 }
2963
2964                 os_free(bss->domain_name);
2965                 bss->domain_name = domain_list;
2966                 bss->domain_name_len = domain_list_len;
2967         } else if (os_strcmp(buf, "anqp_3gpp_cell_net") == 0) {
2968                 if (parse_3gpp_cell_net(bss, pos, line) < 0)
2969                         return 1;
2970         } else if (os_strcmp(buf, "nai_realm") == 0) {
2971                 if (parse_nai_realm(bss, pos, line) < 0)
2972                         return 1;
2973         } else if (os_strcmp(buf, "gas_frag_limit") == 0) {
2974                 bss->gas_frag_limit = atoi(pos);
2975         } else if (os_strcmp(buf, "gas_comeback_delay") == 0) {
2976                 bss->gas_comeback_delay = atoi(pos);
2977         } else if (os_strcmp(buf, "qos_map_set") == 0) {
2978                 if (parse_qos_map_set(bss, pos, line) < 0)
2979                         return 1;
2980 #endif /* CONFIG_INTERWORKING */
2981 #ifdef CONFIG_RADIUS_TEST
2982         } else if (os_strcmp(buf, "dump_msk_file") == 0) {
2983                 os_free(bss->dump_msk_file);
2984                 bss->dump_msk_file = os_strdup(pos);
2985 #endif /* CONFIG_RADIUS_TEST */
2986 #ifdef CONFIG_HS20
2987         } else if (os_strcmp(buf, "hs20") == 0) {
2988                 bss->hs20 = atoi(pos);
2989         } else if (os_strcmp(buf, "disable_dgaf") == 0) {
2990                 bss->disable_dgaf = atoi(pos);
2991         } else if (os_strcmp(buf, "osen") == 0) {
2992                 bss->osen = atoi(pos);
2993         } else if (os_strcmp(buf, "anqp_domain_id") == 0) {
2994                 bss->anqp_domain_id = atoi(pos);
2995         } else if (os_strcmp(buf, "hs20_deauth_req_timeout") == 0) {
2996                 bss->hs20_deauth_req_timeout = atoi(pos);
2997         } else if (os_strcmp(buf, "hs20_oper_friendly_name") == 0) {
2998                 if (hs20_parse_oper_friendly_name(bss, pos, line) < 0)
2999                         return 1;
3000         } else if (os_strcmp(buf, "hs20_wan_metrics") == 0) {
3001                 if (hs20_parse_wan_metrics(bss, pos, line) < 0)
3002                         return 1;
3003         } else if (os_strcmp(buf, "hs20_conn_capab") == 0) {
3004                 if (hs20_parse_conn_capab(bss, pos, line) < 0) {
3005                         return 1;
3006                 }
3007         } else if (os_strcmp(buf, "hs20_operating_class") == 0) {
3008                 u8 *oper_class;
3009                 size_t oper_class_len;
3010                 oper_class_len = os_strlen(pos);
3011                 if (oper_class_len < 2 || (oper_class_len & 0x01)) {
3012                         wpa_printf(MSG_ERROR,
3013                                    "Line %d: Invalid hs20_operating_class '%s'",
3014                                    line, pos);
3015                         return 1;
3016                 }
3017                 oper_class_len /= 2;
3018                 oper_class = os_malloc(oper_class_len);
3019                 if (oper_class == NULL)
3020                         return 1;
3021                 if (hexstr2bin(pos, oper_class, oper_class_len)) {
3022                         wpa_printf(MSG_ERROR,
3023                                    "Line %d: Invalid hs20_operating_class '%s'",
3024                                    line, pos);
3025                         os_free(oper_class);
3026                         return 1;
3027                 }
3028                 os_free(bss->hs20_operating_class);
3029                 bss->hs20_operating_class = oper_class;
3030                 bss->hs20_operating_class_len = oper_class_len;
3031         } else if (os_strcmp(buf, "hs20_icon") == 0) {
3032                 if (hs20_parse_icon(bss, pos) < 0) {
3033                         wpa_printf(MSG_ERROR, "Line %d: Invalid hs20_icon '%s'",
3034                                    line, pos);
3035                         return 1;
3036                 }
3037         } else if (os_strcmp(buf, "osu_ssid") == 0) {
3038                 if (hs20_parse_osu_ssid(bss, pos, line) < 0)
3039                         return 1;
3040         } else if (os_strcmp(buf, "osu_server_uri") == 0) {
3041                 if (hs20_parse_osu_server_uri(bss, pos, line) < 0)
3042                         return 1;
3043         } else if (os_strcmp(buf, "osu_friendly_name") == 0) {
3044                 if (hs20_parse_osu_friendly_name(bss, pos, line) < 0)
3045                         return 1;
3046         } else if (os_strcmp(buf, "osu_nai") == 0) {
3047                 if (hs20_parse_osu_nai(bss, pos, line) < 0)
3048                         return 1;
3049         } else if (os_strcmp(buf, "osu_method_list") == 0) {
3050                 if (hs20_parse_osu_method_list(bss, pos, line) < 0)
3051                         return 1;
3052         } else if (os_strcmp(buf, "osu_icon") == 0) {
3053                 if (hs20_parse_osu_icon(bss, pos, line) < 0)
3054                         return 1;
3055         } else if (os_strcmp(buf, "osu_service_desc") == 0) {
3056                 if (hs20_parse_osu_service_desc(bss, pos, line) < 0)
3057                         return 1;
3058         } else if (os_strcmp(buf, "subscr_remediation_url") == 0) {
3059                 os_free(bss->subscr_remediation_url);
3060                 bss->subscr_remediation_url = os_strdup(pos);
3061         } else if (os_strcmp(buf, "subscr_remediation_method") == 0) {
3062                 bss->subscr_remediation_method = atoi(pos);
3063 #endif /* CONFIG_HS20 */
3064 #ifdef CONFIG_TESTING_OPTIONS
3065 #define PARSE_TEST_PROBABILITY(_val)                            \
3066         } else if (os_strcmp(buf, #_val) == 0) {                \
3067                 char *end;                                      \
3068                                                                 \
3069                 conf->_val = strtod(pos, &end);                 \
3070                 if (*end || conf->_val < 0.0d ||                \
3071                     conf->_val > 1.0d) {                        \
3072                         wpa_printf(MSG_ERROR,                   \
3073                                    "Line %d: Invalid value '%s'", \
3074                                    line, pos);                  \
3075                         return 1;                               \
3076                 }
3077         PARSE_TEST_PROBABILITY(ignore_probe_probability)
3078         PARSE_TEST_PROBABILITY(ignore_auth_probability)
3079         PARSE_TEST_PROBABILITY(ignore_assoc_probability)
3080         PARSE_TEST_PROBABILITY(ignore_reassoc_probability)
3081         PARSE_TEST_PROBABILITY(corrupt_gtk_rekey_mic_probability)
3082         } else if (os_strcmp(buf, "bss_load_test") == 0) {
3083                 WPA_PUT_LE16(bss->bss_load_test, atoi(pos));
3084                 pos = os_strchr(pos, ':');
3085                 if (pos == NULL) {
3086                         wpa_printf(MSG_ERROR, "Line %d: Invalid bss_load_test",
3087                                    line);
3088                         return 1;
3089                 }
3090                 pos++;
3091                 bss->bss_load_test[2] = atoi(pos);
3092                 pos = os_strchr(pos, ':');
3093                 if (pos == NULL) {
3094                         wpa_printf(MSG_ERROR, "Line %d: Invalid bss_load_test",
3095                                    line);
3096                         return 1;
3097                 }
3098                 pos++;
3099                 WPA_PUT_LE16(&bss->bss_load_test[3], atoi(pos));
3100                 bss->bss_load_test_set = 1;
3101 #endif /* CONFIG_TESTING_OPTIONS */
3102         } else if (os_strcmp(buf, "vendor_elements") == 0) {
3103                 struct wpabuf *elems;
3104                 size_t len = os_strlen(pos);
3105                 if (len & 0x01) {
3106                         wpa_printf(MSG_ERROR,
3107                                    "Line %d: Invalid vendor_elements '%s'",
3108                                    line, pos);
3109                         return 1;
3110                 }
3111                 len /= 2;
3112                 if (len == 0) {
3113                         wpabuf_free(bss->vendor_elements);
3114                         bss->vendor_elements = NULL;
3115                         return 0;
3116                 }
3117
3118                 elems = wpabuf_alloc(len);
3119                 if (elems == NULL)
3120                         return 1;
3121
3122                 if (hexstr2bin(pos, wpabuf_put(elems, len), len)) {
3123                         wpabuf_free(elems);
3124                         wpa_printf(MSG_ERROR,
3125                                    "Line %d: Invalid vendor_elements '%s'",
3126                                    line, pos);
3127                         return 1;
3128                 }
3129
3130                 wpabuf_free(bss->vendor_elements);
3131                 bss->vendor_elements = elems;
3132         } else if (os_strcmp(buf, "sae_anti_clogging_threshold") == 0) {
3133                 bss->sae_anti_clogging_threshold = atoi(pos);
3134         } else if (os_strcmp(buf, "sae_groups") == 0) {
3135                 if (hostapd_parse_intlist(&bss->sae_groups, pos)) {
3136                         wpa_printf(MSG_ERROR,
3137                                    "Line %d: Invalid sae_groups value '%s'",
3138                                    line, pos);
3139                         return 1;
3140                 }
3141         } else if (os_strcmp(buf, "local_pwr_constraint") == 0) {
3142                 int val = atoi(pos);
3143                 if (val < 0 || val > 255) {
3144                         wpa_printf(MSG_ERROR, "Line %d: Invalid local_pwr_constraint %d (expected 0..255)",
3145                                    line, val);
3146                         return 1;
3147                 }
3148                 conf->local_pwr_constraint = val;
3149         } else if (os_strcmp(buf, "spectrum_mgmt_required") == 0) {
3150                 conf->spectrum_mgmt_required = atoi(pos);
3151         } else {
3152                 wpa_printf(MSG_ERROR,
3153                            "Line %d: unknown configuration item '%s'",
3154                            line, buf);
3155                 return 1;
3156         }
3157
3158         return 0;
3159 }
3160
3161
3162 /**
3163  * hostapd_config_read - Read and parse a configuration file
3164  * @fname: Configuration file name (including path, if needed)
3165  * Returns: Allocated configuration data structure
3166  */
3167 struct hostapd_config * hostapd_config_read(const char *fname)
3168 {
3169         struct hostapd_config *conf;
3170         struct hostapd_bss_config *bss;
3171         FILE *f;
3172         char buf[512], *pos;
3173         int line = 0;
3174         int errors = 0;
3175         size_t i;
3176
3177         f = fopen(fname, "r");
3178         if (f == NULL) {
3179                 wpa_printf(MSG_ERROR, "Could not open configuration file '%s' "
3180                            "for reading.", fname);
3181                 return NULL;
3182         }
3183
3184         conf = hostapd_config_defaults();
3185         if (conf == NULL) {
3186                 fclose(f);
3187                 return NULL;
3188         }
3189
3190         /* set default driver based on configuration */
3191         conf->driver = wpa_drivers[0];
3192         if (conf->driver == NULL) {
3193                 wpa_printf(MSG_ERROR, "No driver wrappers registered!");
3194                 hostapd_config_free(conf);
3195                 fclose(f);
3196                 return NULL;
3197         }
3198
3199         bss = conf->last_bss = conf->bss[0];
3200
3201         while (fgets(buf, sizeof(buf), f)) {
3202                 bss = conf->last_bss;
3203                 line++;
3204
3205                 if (buf[0] == '#')
3206                         continue;
3207                 pos = buf;
3208                 while (*pos != '\0') {
3209                         if (*pos == '\n') {
3210                                 *pos = '\0';
3211                                 break;
3212                         }
3213                         pos++;
3214                 }
3215                 if (buf[0] == '\0')
3216                         continue;
3217
3218                 pos = os_strchr(buf, '=');
3219                 if (pos == NULL) {
3220                         wpa_printf(MSG_ERROR, "Line %d: invalid line '%s'",
3221                                    line, buf);
3222                         errors++;
3223                         continue;
3224                 }
3225                 *pos = '\0';
3226                 pos++;
3227                 errors += hostapd_config_fill(conf, bss, buf, pos, line);
3228         }
3229
3230         fclose(f);
3231
3232         for (i = 0; i < conf->num_bss; i++)
3233                 hostapd_set_security_params(conf->bss[i]);
3234
3235         if (hostapd_config_check(conf, 1))
3236                 errors++;
3237
3238 #ifndef WPA_IGNORE_CONFIG_ERRORS
3239         if (errors) {
3240                 wpa_printf(MSG_ERROR, "%d errors found in configuration file "
3241                            "'%s'", errors, fname);
3242                 hostapd_config_free(conf);
3243                 conf = NULL;
3244         }
3245 #endif /* WPA_IGNORE_CONFIG_ERRORS */
3246
3247         return conf;
3248 }
3249
3250
3251 int hostapd_set_iface(struct hostapd_config *conf,
3252                       struct hostapd_bss_config *bss, char *field, char *value)
3253 {
3254         int errors;
3255         size_t i;
3256
3257         errors = hostapd_config_fill(conf, bss, field, value, 0);
3258         if (errors) {
3259                 wpa_printf(MSG_INFO, "Failed to set configuration field '%s' "
3260                            "to value '%s'", field, value);
3261                 return -1;
3262         }
3263
3264         for (i = 0; i < conf->num_bss; i++)
3265                 hostapd_set_security_params(conf->bss[i]);
3266
3267         if (hostapd_config_check(conf, 0)) {
3268                 wpa_printf(MSG_ERROR, "Configuration check failed");
3269                 return -1;
3270         }
3271
3272         return 0;
3273 }