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                                 if (os_strcmp(start, "MACACL") == 0) {
 370                                         user->macacl = 1;
 371                                         goto skip_eap;
 372                                 }
 373                                 wpa_printf(MSG_ERROR, "Unsupported EAP type "
 374                                            "'%s' on line %d in '%s'",
 375                                            start, line, fname);
 376                                 goto failed;
 377                         }
 378
 379                         num_methods++;
 380                         if (num_methods >= EAP_MAX_METHODS)
 381                                 break;
 382                 skip_eap:
 383                         if (pos3 == NULL)
 384                                 break;
 385                         start = pos3;
 386                 }
 387                 if (num_methods == 0 && user->ttls_auth == 0 && !user->macacl) {
 388                         wpa_printf(MSG_ERROR, "No EAP types configured on "
 389                                    "line %d in '%s'", line, fname);
 390                         goto failed;
 391                 }
 392
 393                 if (pos == NULL)
 394                         goto done;
 395
 396                 while (*pos == ' ' || *pos == '\t')
 397                         pos++;
 398                 if (*pos == '\0')
 399                         goto done;
 400
 401                 if (os_strncmp(pos, "[ver=0]", 7) == 0) {
 402                         user->force_version = 0;
 403                         goto done;
 404                 }
 405
 406                 if (os_strncmp(pos, "[ver=1]", 7) == 0) {
 407                         user->force_version = 1;
 408                         goto done;
 409                 }
 410
 411                 if (os_strncmp(pos, "[2]", 3) == 0) {
 412                         user->phase2 = 1;
 413                         goto done;
 414                 }
 415
 416                 if (*pos == '"') {
 417                         pos++;
 418                         start = pos;
 419                         while (*pos != '"' && *pos != '\0')
 420                                 pos++;
 421                         if (*pos == '\0') {
 422                                 wpa_printf(MSG_ERROR, "Invalid EAP password "
 423                                            "(no \" in end) on line %d in '%s'",
 424                                            line, fname);
 425                                 goto failed;
 426                         }
 427
 428                         user->password = os_malloc(pos - start);
 429                         if (user->password == NULL) {
 430                                 wpa_printf(MSG_ERROR, "Failed to allocate "
 431                                            "memory for EAP password");
 432                                 goto failed;
 433                         }
 434                         os_memcpy(user->password, start, pos - start);
 435                         user->password_len = pos - start;
 436
 437                         pos++;
 438                 } else if (os_strncmp(pos, "hash:", 5) == 0) {
 439                         pos += 5;
 440                         pos2 = pos;
 441                         while (*pos2 != '\0' && *pos2 != ' ' &&
 442                                *pos2 != '\t' && *pos2 != '#')
 443                                 pos2++;
 444                         if (pos2 - pos != 32) {
 445                                 wpa_printf(MSG_ERROR, "Invalid password hash "
 446                                            "on line %d in '%s'", line, fname);
 447                                 goto failed;
 448                         }
 449                         user->password = os_malloc(16);
 450                         if (user->password == NULL) {
 451                                 wpa_printf(MSG_ERROR, "Failed to allocate "
 452                                            "memory for EAP password hash");
 453                                 goto failed;
 454                         }
 455                         if (hexstr2bin(pos, user->password, 16) < 0) {
 456                                 wpa_printf(MSG_ERROR, "Invalid hash password "
 457                                            "on line %d in '%s'", line, fname);
 458                                 goto failed;
 459                         }
 460                         user->password_len = 16;
 461                         user->password_hash = 1;
 462                         pos = pos2;
 463                 } else {
 464                         pos2 = pos;
 465                         while (*pos2 != '\0' && *pos2 != ' ' &&
 466                                *pos2 != '\t' && *pos2 != '#')
 467                                 pos2++;
 468                         if ((pos2 - pos) & 1) {
 469                                 wpa_printf(MSG_ERROR, "Invalid hex password "
 470                                            "on line %d in '%s'", line, fname);
 471                                 goto failed;
 472                         }
 473                         user->password = os_malloc((pos2 - pos) / 2);
 474                         if (user->password == NULL) {
 475                                 wpa_printf(MSG_ERROR, "Failed to allocate "
 476                                            "memory for EAP password");
 477                                 goto failed;
 478                         }
 479                         if (hexstr2bin(pos, user->password,
 480                                        (pos2 - pos) / 2) < 0) {
 481                                 wpa_printf(MSG_ERROR, "Invalid hex password "
 482                                            "on line %d in '%s'", line, fname);
 483                                 goto failed;
 484                         }
 485                         user->password_len = (pos2 - pos) / 2;
 486                         pos = pos2;
 487                 }
 488
 489                 while (*pos == ' ' || *pos == '\t')
 490                         pos++;
 491                 if (os_strncmp(pos, "[2]", 3) == 0) {
 492                         user->phase2 = 1;
 493                 }
 494
 495         done:
 496                 if (tail == NULL) {
 497                         tail = conf->eap_user = user;
 498                 } else {
 499                         tail->next = user;
 500                         tail = user;
 501                 }
 502                 continue;
 503
 504         failed:
 505                 if (user)
 506                         hostapd_config_free_eap_user(user);
 507                 ret = -1;
 508                 break;
 509         }
 510
 511         fclose(f);
 512
 513         return ret;
 514 }
 515 #endif /* EAP_SERVER */
 516
 517
 518 #ifndef CONFIG_NO_RADIUS
 519 static int
 520 hostapd_config_read_radius_addr(struct hostapd_radius_server **server,
 521                                 int *num_server, const char *val, int def_port,
 522                                 struct hostapd_radius_server **curr_serv)
 523 {
 524         struct hostapd_radius_server *nserv;
 525         int ret;
 526         static int server_index = 1;
 527
 528         nserv = os_realloc_array(*server, *num_server + 1, sizeof(*nserv));
 529         if (nserv == NULL)
 530                 return -1;
 531
 532         *server = nserv;
 533         nserv = &nserv[*num_server];
 534         (*num_server)++;
 535         (*curr_serv) = nserv;
 536
 537         os_memset(nserv, 0, sizeof(*nserv));
 538         nserv->port = def_port;
 539         ret = hostapd_parse_ip_addr(val, &nserv->addr);
 540         nserv->index = server_index++;
 541
 542         return ret;
 543 }
 544
 545
 546 static struct hostapd_radius_attr *
 547 hostapd_parse_radius_attr(const char *value)
 548 {
 549         const char *pos;
 550         char syntax;
 551         struct hostapd_radius_attr *attr;
 552         size_t len;
 553
 554         attr = os_zalloc(sizeof(*attr));
 555         if (attr == NULL)
 556                 return NULL;
 557
 558         attr->type = atoi(value);
 559
 560         pos = os_strchr(value, ':');
 561         if (pos == NULL) {
 562                 attr->val = wpabuf_alloc(1);
 563                 if (attr->val == NULL) {
 564                         os_free(attr);
 565                         return NULL;
 566                 }
 567                 wpabuf_put_u8(attr->val, 0);
 568                 return attr;
 569         }
 570
 571         pos++;
 572         if (pos[0] == '\0' || pos[1] != ':') {
 573                 os_free(attr);
 574                 return NULL;
 575         }
 576         syntax = *pos++;
 577         pos++;
 578
 579         switch (syntax) {
 580         case 's':
 581                 attr->val = wpabuf_alloc_copy(pos, os_strlen(pos));
 582                 break;
 583         case 'x':
 584                 len = os_strlen(pos);
 585                 if (len & 1)
 586                         break;
 587                 len /= 2;
 588                 attr->val = wpabuf_alloc(len);
 589                 if (attr->val == NULL)
 590                         break;
 591                 if (hexstr2bin(pos, wpabuf_put(attr->val, len), len) < 0) {
 592                         wpabuf_free(attr->val);
 593                         os_free(attr);
 594                         return NULL;
 595                 }
 596                 break;
 597         case 'd':
 598                 attr->val = wpabuf_alloc(4);
 599                 if (attr->val)
 600                         wpabuf_put_be32(attr->val, atoi(pos));
 601                 break;
 602         default:
 603                 os_free(attr);
 604                 return NULL;
 605         }
 606
 607         if (attr->val == NULL) {
 608                 os_free(attr);
 609                 return NULL;
 610         }
 611
 612         return attr;
 613 }
 614
 615
 616 static int hostapd_parse_das_client(struct hostapd_bss_config *bss,
 617                                     const char *val)
 618 {
 619         char *secret;
 620
 621         secret = os_strchr(val, ' ');
 622         if (secret == NULL)
 623                 return -1;
 624
 625         secret++;
 626
 627         if (hostapd_parse_ip_addr(val, &bss->radius_das_client_addr))
 628                 return -1;
 629
 630         os_free(bss->radius_das_shared_secret);
 631         bss->radius_das_shared_secret = (u8 *) os_strdup(secret);
 632         if (bss->radius_das_shared_secret == NULL)
 633                 return -1;
 634         bss->radius_das_shared_secret_len = os_strlen(secret);
 635
 636         return 0;
 637 }
 638 #endif /* CONFIG_NO_RADIUS */
 639
 640
 641 static int hostapd_config_parse_key_mgmt(int line, const char *value)
 642 {
 643         int val = 0, last;
 644         char *start, *end, *buf;
 645
 646         buf = os_strdup(value);
 647         if (buf == NULL)
 648                 return -1;
 649         start = buf;
 650
 651         while (*start != '\0') {
 652                 while (*start == ' ' || *start == '\t')
 653                         start++;
 654                 if (*start == '\0')
 655                         break;
 656                 end = start;
 657                 while (*end != ' ' && *end != '\t' && *end != '\0')
 658                         end++;
 659                 last = *end == '\0';
 660                 *end = '\0';
 661                 if (os_strcmp(start, "WPA-PSK") == 0)
 662                         val |= WPA_KEY_MGMT_PSK;
 663                 else if (os_strcmp(start, "WPA-EAP") == 0)
 664                         val |= WPA_KEY_MGMT_IEEE8021X;
 665 #ifdef CONFIG_IEEE80211R
 666                 else if (os_strcmp(start, "FT-PSK") == 0)
 667                         val |= WPA_KEY_MGMT_FT_PSK;
 668                 else if (os_strcmp(start, "FT-EAP") == 0)
 669                         val |= WPA_KEY_MGMT_FT_IEEE8021X;
 670 #endif /* CONFIG_IEEE80211R */
 671 #ifdef CONFIG_IEEE80211W
 672                 else if (os_strcmp(start, "WPA-PSK-SHA256") == 0)
 673                         val |= WPA_KEY_MGMT_PSK_SHA256;
 674                 else if (os_strcmp(start, "WPA-EAP-SHA256") == 0)
 675                         val |= WPA_KEY_MGMT_IEEE8021X_SHA256;
 676 #endif /* CONFIG_IEEE80211W */
 677 #ifdef CONFIG_SAE
 678                 else if (os_strcmp(start, "SAE") == 0)
 679                         val |= WPA_KEY_MGMT_SAE;
 680                 else if (os_strcmp(start, "FT-SAE") == 0)
 681                         val |= WPA_KEY_MGMT_FT_SAE;
 682 #endif /* CONFIG_SAE */
 683                 else if (os_strcmp(start, "WPA-EAP-SUITE-B") == 0)
 684                         val |= WPA_KEY_MGMT_IEEE8021X_SUITE_B;
 685                 else {
 686                         wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'",
 687                                    line, start);
 688                         os_free(buf);
 689                         return -1;
 690                 }
 691
 692                 if (last)
 693                         break;
 694                 start = end + 1;
 695         }
 696
 697         os_free(buf);
 698         if (val == 0) {
 699                 wpa_printf(MSG_ERROR, "Line %d: no key_mgmt values "
 700                            "configured.", line);
 701                 return -1;
 702         }
 703
 704         return val;
 705 }
 706
 707
 708 static int hostapd_config_parse_cipher(int line, const char *value)
 709 {
 710         int val = wpa_parse_cipher(value);
 711         if (val < 0) {
 712                 wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.",
 713                            line, value);
 714                 return -1;
 715         }
 716         if (val == 0) {
 717                 wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.",
 718                            line);
 719                 return -1;
 720         }
 721         return val;
 722 }
 723
 724
 725 static int hostapd_config_read_wep(struct hostapd_wep_keys *wep, int keyidx,
 726                                    char *val)
 727 {
 728         size_t len = os_strlen(val);
 729
 730         if (keyidx < 0 || keyidx > 3 || wep->key[keyidx] != NULL)
 731                 return -1;
 732
 733         if (val[0] == '"') {
 734                 if (len < 2 || val[len - 1] != '"')
 735                         return -1;
 736                 len -= 2;
 737                 wep->key[keyidx] = os_malloc(len);
 738                 if (wep->key[keyidx] == NULL)
 739                         return -1;
 740                 os_memcpy(wep->key[keyidx], val + 1, len);
 741                 wep->len[keyidx] = len;
 742         } else {
 743                 if (len & 1)
 744                         return -1;
 745                 len /= 2;
 746                 wep->key[keyidx] = os_malloc(len);
 747                 if (wep->key[keyidx] == NULL)
 748                         return -1;
 749                 wep->len[keyidx] = len;
 750                 if (hexstr2bin(val, wep->key[keyidx], len) < 0)
 751                         return -1;
 752         }
 753
 754         wep->keys_set++;
 755
 756         return 0;
 757 }
 758
 759
 760 static int hostapd_parse_intlist(int **int_list, char *val)
 761 {
 762         int *list;
 763         int count;
 764         char *pos, *end;
 765
 766         os_free(*int_list);
 767         *int_list = NULL;
 768
 769         pos = val;
 770         count = 0;
 771         while (*pos != '\0') {
 772                 if (*pos == ' ')
 773                         count++;
 774                 pos++;
 775         }
 776
 777         list = os_malloc(sizeof(int) * (count + 2));
 778         if (list == NULL)
 779                 return -1;
 780         pos = val;
 781         count = 0;
 782         while (*pos != '\0') {
 783                 end = os_strchr(pos, ' ');
 784                 if (end)
 785                         *end = '\0';
 786
 787                 list[count++] = atoi(pos);
 788                 if (!end)
 789                         break;
 790                 pos = end + 1;
 791         }
 792         list[count] = -1;
 793
 794         *int_list = list;
 795         return 0;
 796 }
 797
 798
 799 static int hostapd_config_bss(struct hostapd_config *conf, const char *ifname)
 800 {
 801         struct hostapd_bss_config **all, *bss;
 802
 803         if (*ifname == '\0')
 804                 return -1;
 805
 806         all = os_realloc_array(conf->bss, conf->num_bss + 1,
 807                                sizeof(struct hostapd_bss_config *));
 808         if (all == NULL) {
 809                 wpa_printf(MSG_ERROR, "Failed to allocate memory for "
 810                            "multi-BSS entry");
 811                 return -1;
 812         }
 813         conf->bss = all;
 814
 815         bss = os_zalloc(sizeof(*bss));
 816         if (bss == NULL)
 817                 return -1;
 818         bss->radius = os_zalloc(sizeof(*bss->radius));
 819         if (bss->radius == NULL) {
 820                 wpa_printf(MSG_ERROR, "Failed to allocate memory for "
 821                            "multi-BSS RADIUS data");
 822                 os_free(bss);
 823                 return -1;
 824         }
 825
 826         conf->bss[conf->num_bss++] = bss;
 827         conf->last_bss = bss;
 828
 829         hostapd_config_defaults_bss(bss);
 830         os_strlcpy(bss->iface, ifname, sizeof(bss->iface));
 831         os_memcpy(bss->ssid.vlan, bss->iface, IFNAMSIZ + 1);
 832
 833         return 0;
 834 }
 835
 836
 837 /* convert floats with one decimal place to value*10 int, i.e.,
 838  * "1.5" will return 15 */
 839 static int hostapd_config_read_int10(const char *value)
 840 {
 841         int i, d;
 842         char *pos;
 843
 844         i = atoi(value);
 845         pos = os_strchr(value, '.');
 846         d = 0;
 847         if (pos) {
 848                 pos++;
 849                 if (*pos >= '0' && *pos <= '9')
 850                         d = *pos - '0';
 851         }
 852
 853         return i * 10 + d;
 854 }
 855
 856
 857 static int valid_cw(int cw)
 858 {
 859         return (cw == 1 || cw == 3 || cw == 7 || cw == 15 || cw == 31 ||
 860                 cw == 63 || cw == 127 || cw == 255 || cw == 511 || cw == 1023);
 861 }
 862
 863
 864 enum {
 865         IEEE80211_TX_QUEUE_DATA0 = 0, /* used for EDCA AC_VO data */
 866         IEEE80211_TX_QUEUE_DATA1 = 1, /* used for EDCA AC_VI data */
 867         IEEE80211_TX_QUEUE_DATA2 = 2, /* used for EDCA AC_BE data */
 868         IEEE80211_TX_QUEUE_DATA3 = 3 /* used for EDCA AC_BK data */
 869 };
 870
 871 static int hostapd_config_tx_queue(struct hostapd_config *conf, char *name,
 872                                    char *val)
 873 {
 874         int num;
 875         char *pos;
 876         struct hostapd_tx_queue_params *queue;
 877
 878         /* skip 'tx_queue_' prefix */
 879         pos = name + 9;
 880         if (os_strncmp(pos, "data", 4) == 0 &&
 881             pos[4] >= '0' && pos[4] <= '9' && pos[5] == '_') {
 882                 num = pos[4] - '0';
 883                 pos += 6;
 884         } else if (os_strncmp(pos, "after_beacon_", 13) == 0 ||
 885                    os_strncmp(pos, "beacon_", 7) == 0) {
 886                 wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
 887                 return 0;
 888         } else {
 889                 wpa_printf(MSG_ERROR, "Unknown tx_queue name '%s'", pos);
 890                 return -1;
 891         }
 892
 893         if (num >= NUM_TX_QUEUES) {
 894                 /* for backwards compatibility, do not trigger failure */
 895                 wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
 896                 return 0;
 897         }
 898
 899         queue = &conf->tx_queue[num];
 900
 901         if (os_strcmp(pos, "aifs") == 0) {
 902                 queue->aifs = atoi(val);
 903                 if (queue->aifs < 0 || queue->aifs > 255) {
 904                         wpa_printf(MSG_ERROR, "Invalid AIFS value %d",
 905                                    queue->aifs);
 906                         return -1;
 907                 }
 908         } else if (os_strcmp(pos, "cwmin") == 0) {
 909                 queue->cwmin = atoi(val);
 910                 if (!valid_cw(queue->cwmin)) {
 911                         wpa_printf(MSG_ERROR, "Invalid cwMin value %d",
 912                                    queue->cwmin);
 913                         return -1;
 914                 }
 915         } else if (os_strcmp(pos, "cwmax") == 0) {
 916                 queue->cwmax = atoi(val);
 917                 if (!valid_cw(queue->cwmax)) {
 918                         wpa_printf(MSG_ERROR, "Invalid cwMax value %d",
 919                                    queue->cwmax);
 920                         return -1;
 921                 }
 922         } else if (os_strcmp(pos, "burst") == 0) {
 923                 queue->burst = hostapd_config_read_int10(val);
 924         } else {
 925                 wpa_printf(MSG_ERROR, "Unknown tx_queue field '%s'", pos);
 926                 return -1;
 927         }
 928
 929         return 0;
 930 }
 931
 932
 933 #ifdef CONFIG_IEEE80211R
 934 static int add_r0kh(struct hostapd_bss_config *bss, char *value)
 935 {
 936         struct ft_remote_r0kh *r0kh;
 937         char *pos, *next;
 938
 939         r0kh = os_zalloc(sizeof(*r0kh));
 940         if (r0kh == NULL)
 941                 return -1;
 942
 943         /* 02:01:02:03:04:05 a.example.com 000102030405060708090a0b0c0d0e0f */
 944         pos = value;
 945         next = os_strchr(pos, ' ');
 946         if (next)
 947                 *next++ = '\0';
 948         if (next == NULL || hwaddr_aton(pos, r0kh->addr)) {
 949                 wpa_printf(MSG_ERROR, "Invalid R0KH MAC address: '%s'", pos);
 950                 os_free(r0kh);
 951                 return -1;
 952         }
 953
 954         pos = next;
 955         next = os_strchr(pos, ' ');
 956         if (next)
 957                 *next++ = '\0';
 958         if (next == NULL || next - pos > FT_R0KH_ID_MAX_LEN) {
 959                 wpa_printf(MSG_ERROR, "Invalid R0KH-ID: '%s'", pos);
 960                 os_free(r0kh);
 961                 return -1;
 962         }
 963         r0kh->id_len = next - pos - 1;
 964         os_memcpy(r0kh->id, pos, r0kh->id_len);
 965
 966         pos = next;
 967         if (hexstr2bin(pos, r0kh->key, sizeof(r0kh->key))) {
 968                 wpa_printf(MSG_ERROR, "Invalid R0KH key: '%s'", pos);
 969                 os_free(r0kh);
 970                 return -1;
 971         }
 972
 973         r0kh->next = bss->r0kh_list;
 974         bss->r0kh_list = r0kh;
 975
 976         return 0;
 977 }
 978
 979
 980 static int add_r1kh(struct hostapd_bss_config *bss, char *value)
 981 {
 982         struct ft_remote_r1kh *r1kh;
 983         char *pos, *next;
 984
 985         r1kh = os_zalloc(sizeof(*r1kh));
 986         if (r1kh == NULL)
 987                 return -1;
 988
 989         /* 02:01:02:03:04:05 02:01:02:03:04:05
 990          * 000102030405060708090a0b0c0d0e0f */
 991         pos = value;
 992         next = os_strchr(pos, ' ');
 993         if (next)
 994                 *next++ = '\0';
 995         if (next == NULL || hwaddr_aton(pos, r1kh->addr)) {
 996                 wpa_printf(MSG_ERROR, "Invalid R1KH MAC address: '%s'", pos);
 997                 os_free(r1kh);
 998                 return -1;
 999         }
1000
1001         pos = next;
1002         next = os_strchr(pos, ' ');
1003         if (next)
1004                 *next++ = '\0';
1005         if (next == NULL || hwaddr_aton(pos, r1kh->id)) {
1006                 wpa_printf(MSG_ERROR, "Invalid R1KH-ID: '%s'", pos);
1007                 os_free(r1kh);
1008                 return -1;
1009         }
1010
1011         pos = next;
1012         if (hexstr2bin(pos, r1kh->key, sizeof(r1kh->key))) {
1013                 wpa_printf(MSG_ERROR, "Invalid R1KH key: '%s'", pos);
1014                 os_free(r1kh);
1015                 return -1;
1016         }
1017
1018         r1kh->next = bss->r1kh_list;
1019         bss->r1kh_list = r1kh;
1020
1021         return 0;
1022 }
1023 #endif /* CONFIG_IEEE80211R */
1024
1025
1026 #ifdef CONFIG_IEEE80211N
1027 static int hostapd_config_ht_capab(struct hostapd_config *conf,
1028                                    const char *capab)
1029 {
1030         if (os_strstr(capab, "[LDPC]"))
1031                 conf->ht_capab |= HT_CAP_INFO_LDPC_CODING_CAP;
1032         if (os_strstr(capab, "[HT40-]")) {
1033                 conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
1034                 conf->secondary_channel = -1;
1035         }
1036         if (os_strstr(capab, "[HT40+]")) {
1037                 conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
1038                 conf->secondary_channel = 1;
1039         }
1040         if (os_strstr(capab, "[SMPS-STATIC]")) {
1041                 conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
1042                 conf->ht_capab |= HT_CAP_INFO_SMPS_STATIC;
1043         }
1044         if (os_strstr(capab, "[SMPS-DYNAMIC]")) {
1045                 conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
1046                 conf->ht_capab |= HT_CAP_INFO_SMPS_DYNAMIC;
1047         }
1048         if (os_strstr(capab, "[GF]"))
1049                 conf->ht_capab |= HT_CAP_INFO_GREEN_FIELD;
1050         if (os_strstr(capab, "[SHORT-GI-20]"))
1051                 conf->ht_capab |= HT_CAP_INFO_SHORT_GI20MHZ;
1052         if (os_strstr(capab, "[SHORT-GI-40]"))
1053                 conf->ht_capab |= HT_CAP_INFO_SHORT_GI40MHZ;
1054         if (os_strstr(capab, "[TX-STBC]"))
1055                 conf->ht_capab |= HT_CAP_INFO_TX_STBC;
1056         if (os_strstr(capab, "[RX-STBC1]")) {
1057                 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1058                 conf->ht_capab |= HT_CAP_INFO_RX_STBC_1;
1059         }
1060         if (os_strstr(capab, "[RX-STBC12]")) {
1061                 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1062                 conf->ht_capab |= HT_CAP_INFO_RX_STBC_12;
1063         }
1064         if (os_strstr(capab, "[RX-STBC123]")) {
1065                 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1066                 conf->ht_capab |= HT_CAP_INFO_RX_STBC_123;
1067         }
1068         if (os_strstr(capab, "[DELAYED-BA]"))
1069                 conf->ht_capab |= HT_CAP_INFO_DELAYED_BA;
1070         if (os_strstr(capab, "[MAX-AMSDU-7935]"))
1071                 conf->ht_capab |= HT_CAP_INFO_MAX_AMSDU_SIZE;
1072         if (os_strstr(capab, "[DSSS_CCK-40]"))
1073                 conf->ht_capab |= HT_CAP_INFO_DSSS_CCK40MHZ;
1074         if (os_strstr(capab, "[40-INTOLERANT]"))
1075                 conf->ht_capab |= HT_CAP_INFO_40MHZ_INTOLERANT;
1076         if (os_strstr(capab, "[LSIG-TXOP-PROT]"))
1077                 conf->ht_capab |= HT_CAP_INFO_LSIG_TXOP_PROTECT_SUPPORT;
1078
1079         return 0;
1080 }
1081 #endif /* CONFIG_IEEE80211N */
1082
1083
1084 #ifdef CONFIG_IEEE80211AC
1085 static int hostapd_config_vht_capab(struct hostapd_config *conf,
1086                                     const char *capab)
1087 {
1088         if (os_strstr(capab, "[MAX-MPDU-7991]"))
1089                 conf->vht_capab |= VHT_CAP_MAX_MPDU_LENGTH_7991;
1090         if (os_strstr(capab, "[MAX-MPDU-11454]"))
1091                 conf->vht_capab |= VHT_CAP_MAX_MPDU_LENGTH_11454;
1092         if (os_strstr(capab, "[VHT160]"))
1093                 conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
1094         if (os_strstr(capab, "[VHT160-80PLUS80]"))
1095                 conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
1096         if (os_strstr(capab, "[RXLDPC]"))
1097                 conf->vht_capab |= VHT_CAP_RXLDPC;
1098         if (os_strstr(capab, "[SHORT-GI-80]"))
1099                 conf->vht_capab |= VHT_CAP_SHORT_GI_80;
1100         if (os_strstr(capab, "[SHORT-GI-160]"))
1101                 conf->vht_capab |= VHT_CAP_SHORT_GI_160;
1102         if (os_strstr(capab, "[TX-STBC-2BY1]"))
1103                 conf->vht_capab |= VHT_CAP_TXSTBC;
1104         if (os_strstr(capab, "[RX-STBC-1]"))
1105                 conf->vht_capab |= VHT_CAP_RXSTBC_1;
1106         if (os_strstr(capab, "[RX-STBC-12]"))
1107                 conf->vht_capab |= VHT_CAP_RXSTBC_2;
1108         if (os_strstr(capab, "[RX-STBC-123]"))
1109                 conf->vht_capab |= VHT_CAP_RXSTBC_3;
1110         if (os_strstr(capab, "[RX-STBC-1234]"))
1111                 conf->vht_capab |= VHT_CAP_RXSTBC_4;
1112         if (os_strstr(capab, "[SU-BEAMFORMER]"))
1113                 conf->vht_capab |= VHT_CAP_SU_BEAMFORMER_CAPABLE;
1114         if (os_strstr(capab, "[SU-BEAMFORMEE]"))
1115                 conf->vht_capab |= VHT_CAP_SU_BEAMFORMEE_CAPABLE;
1116         if (os_strstr(capab, "[BF-ANTENNA-2]") &&
1117             (conf->vht_capab & VHT_CAP_SU_BEAMFORMEE_CAPABLE))
1118                 conf->vht_capab |= (1 << VHT_CAP_BEAMFORMEE_STS_OFFSET);
1119         if (os_strstr(capab, "[SOUNDING-DIMENSION-2]") &&
1120             (conf->vht_capab & VHT_CAP_SU_BEAMFORMER_CAPABLE))
1121                 conf->vht_capab |= (1 << VHT_CAP_SOUNDING_DIMENSION_OFFSET);
1122         if (os_strstr(capab, "[MU-BEAMFORMER]"))
1123                 conf->vht_capab |= VHT_CAP_MU_BEAMFORMER_CAPABLE;
1124         if (os_strstr(capab, "[MU-BEAMFORMEE]"))
1125                 conf->vht_capab |= VHT_CAP_MU_BEAMFORMEE_CAPABLE;
1126         if (os_strstr(capab, "[VHT-TXOP-PS]"))
1127                 conf->vht_capab |= VHT_CAP_VHT_TXOP_PS;
1128         if (os_strstr(capab, "[HTC-VHT]"))
1129                 conf->vht_capab |= VHT_CAP_HTC_VHT;
1130         if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP7]"))
1131                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MAX;
1132         else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP6]"))
1133                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_6;
1134         else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP5]"))
1135                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_5;
1136         else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP4]"))
1137                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_4;
1138         else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP3]"))
1139                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_3;
1140         else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP2]"))
1141                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_2;
1142         else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP1]"))
1143                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_1;
1144         if (os_strstr(capab, "[VHT-LINK-ADAPT2]") &&
1145             (conf->vht_capab & VHT_CAP_HTC_VHT))
1146                 conf->vht_capab |= VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB;
1147         if (os_strstr(capab, "[VHT-LINK-ADAPT3]") &&
1148             (conf->vht_capab & VHT_CAP_HTC_VHT))
1149                 conf->vht_capab |= VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB;
1150         if (os_strstr(capab, "[RX-ANTENNA-PATTERN]"))
1151                 conf->vht_capab |= VHT_CAP_RX_ANTENNA_PATTERN;
1152         if (os_strstr(capab, "[TX-ANTENNA-PATTERN]"))
1153                 conf->vht_capab |= VHT_CAP_TX_ANTENNA_PATTERN;
1154         return 0;
1155 }
1156 #endif /* CONFIG_IEEE80211AC */
1157
1158
1159 #ifdef CONFIG_INTERWORKING
1160 static int parse_roaming_consortium(struct hostapd_bss_config *bss, char *pos,
1161                                     int line)
1162 {
1163         size_t len = os_strlen(pos);
1164         u8 oi[MAX_ROAMING_CONSORTIUM_LEN];
1165
1166         struct hostapd_roaming_consortium *rc;
1167
1168         if ((len & 1) || len < 2 * 3 || len / 2 > MAX_ROAMING_CONSORTIUM_LEN ||
1169             hexstr2bin(pos, oi, len / 2)) {
1170                 wpa_printf(MSG_ERROR, "Line %d: invalid roaming_consortium "
1171                            "'%s'", line, pos);
1172                 return -1;
1173         }
1174         len /= 2;
1175
1176         rc = os_realloc_array(bss->roaming_consortium,
1177                               bss->roaming_consortium_count + 1,
1178                               sizeof(struct hostapd_roaming_consortium));
1179         if (rc == NULL)
1180                 return -1;
1181
1182         os_memcpy(rc[bss->roaming_consortium_count].oi, oi, len);
1183         rc[bss->roaming_consortium_count].len = len;
1184
1185         bss->roaming_consortium = rc;
1186         bss->roaming_consortium_count++;
1187
1188         return 0;
1189 }
1190
1191
1192 static int parse_lang_string(struct hostapd_lang_string **array,
1193                              unsigned int *count, char *pos)
1194 {
1195         char *sep, *str = NULL;
1196         size_t clen, nlen, slen;
1197         struct hostapd_lang_string *ls;
1198         int ret = -1;
1199
1200         if (*pos == '"' || (*pos == 'P' && pos[1] == '"')) {
1201                 str = wpa_config_parse_string(pos, &slen);
1202                 if (!str)
1203                         return -1;
1204                 pos = str;
1205         }
1206
1207         sep = os_strchr(pos, ':');
1208         if (sep == NULL)
1209                 goto fail;
1210         *sep++ = '\0';
1211
1212         clen = os_strlen(pos);
1213         if (clen < 2 || clen > sizeof(ls->lang))
1214                 goto fail;
1215         nlen = os_strlen(sep);
1216         if (nlen > 252)
1217                 goto fail;
1218
1219         ls = os_realloc_array(*array, *count + 1,
1220                               sizeof(struct hostapd_lang_string));
1221         if (ls == NULL)
1222                 goto fail;
1223
1224         *array = ls;
1225         ls = &(*array)[*count];
1226         (*count)++;
1227
1228         os_memset(ls->lang, 0, sizeof(ls->lang));
1229         os_memcpy(ls->lang, pos, clen);
1230         ls->name_len = nlen;
1231         os_memcpy(ls->name, sep, nlen);
1232
1233         ret = 0;
1234 fail:
1235         os_free(str);
1236         return ret;
1237 }
1238
1239
1240 static int parse_venue_name(struct hostapd_bss_config *bss, char *pos,
1241                             int line)
1242 {
1243         if (parse_lang_string(&bss->venue_name, &bss->venue_name_count, pos)) {
1244                 wpa_printf(MSG_ERROR, "Line %d: Invalid venue_name '%s'",
1245                            line, pos);
1246                 return -1;
1247         }
1248         return 0;
1249 }
1250
1251
1252 static int parse_3gpp_cell_net(struct hostapd_bss_config *bss, char *buf,
1253                                int line)
1254 {
1255         size_t count;
1256         char *pos;
1257         u8 *info = NULL, *ipos;
1258
1259         /* format: <MCC1,MNC1>[;<MCC2,MNC2>][;...] */
1260
1261         count = 1;
1262         for (pos = buf; *pos; pos++) {
1263                 if ((*pos < '0' || *pos > '9') && *pos != ';' && *pos != ',')
1264                         goto fail;
1265                 if (*pos == ';')
1266                         count++;
1267         }
1268         if (1 + count * 3 > 0x7f)
1269                 goto fail;
1270
1271         info = os_zalloc(2 + 3 + count * 3);
1272         if (info == NULL)
1273                 return -1;
1274
1275         ipos = info;
1276         *ipos++ = 0; /* GUD - Version 1 */
1277         *ipos++ = 3 + count * 3; /* User Data Header Length (UDHL) */
1278         *ipos++ = 0; /* PLMN List IEI */
1279         /* ext(b8) | Length of PLMN List value contents(b7..1) */
1280         *ipos++ = 1 + count * 3;
1281         *ipos++ = count; /* Number of PLMNs */
1282
1283         pos = buf;
1284         while (pos && *pos) {
1285                 char *mcc, *mnc;
1286                 size_t mnc_len;
1287
1288                 mcc = pos;
1289                 mnc = os_strchr(pos, ',');
1290                 if (mnc == NULL)
1291                         goto fail;
1292                 *mnc++ = '\0';
1293                 pos = os_strchr(mnc, ';');
1294                 if (pos)
1295                         *pos++ = '\0';
1296
1297                 mnc_len = os_strlen(mnc);
1298                 if (os_strlen(mcc) != 3 || (mnc_len != 2 && mnc_len != 3))
1299                         goto fail;
1300
1301                 /* BC coded MCC,MNC */
1302                 /* MCC digit 2 | MCC digit 1 */
1303                 *ipos++ = ((mcc[1] - '0') << 4) | (mcc[0] - '0');
1304                 /* MNC digit 3 | MCC digit 3 */
1305                 *ipos++ = (((mnc_len == 2) ? 0xf0 : ((mnc[2] - '0') << 4))) |
1306                         (mcc[2] - '0');
1307                 /* MNC digit 2 | MNC digit 1 */
1308                 *ipos++ = ((mnc[1] - '0') << 4) | (mnc[0] - '0');
1309         }
1310
1311         os_free(bss->anqp_3gpp_cell_net);
1312         bss->anqp_3gpp_cell_net = info;
1313         bss->anqp_3gpp_cell_net_len = 2 + 3 + 3 * count;
1314         wpa_hexdump(MSG_MSGDUMP, "3GPP Cellular Network information",
1315                     bss->anqp_3gpp_cell_net, bss->anqp_3gpp_cell_net_len);
1316
1317         return 0;
1318
1319 fail:
1320         wpa_printf(MSG_ERROR, "Line %d: Invalid anqp_3gpp_cell_net: %s",
1321                    line, buf);
1322         os_free(info);
1323         return -1;
1324 }
1325
1326
1327 static int parse_nai_realm(struct hostapd_bss_config *bss, char *buf, int line)
1328 {
1329         struct hostapd_nai_realm_data *realm;
1330         size_t i, j, len;
1331         int *offsets;
1332         char *pos, *end, *rpos;
1333
1334         offsets = os_calloc(bss->nai_realm_count * MAX_NAI_REALMS,
1335                             sizeof(int));
1336         if (offsets == NULL)
1337                 return -1;
1338
1339         for (i = 0; i < bss->nai_realm_count; i++) {
1340                 realm = &bss->nai_realm_data[i];
1341                 for (j = 0; j < MAX_NAI_REALMS; j++) {
1342                         offsets[i * MAX_NAI_REALMS + j] =
1343                                 realm->realm[j] ?
1344                                 realm->realm[j] - realm->realm_buf : -1;
1345                 }
1346         }
1347
1348         realm = os_realloc_array(bss->nai_realm_data, bss->nai_realm_count + 1,
1349                                  sizeof(struct hostapd_nai_realm_data));
1350         if (realm == NULL) {
1351                 os_free(offsets);
1352                 return -1;
1353         }
1354         bss->nai_realm_data = realm;
1355
1356         /* patch the pointers after realloc */
1357         for (i = 0; i < bss->nai_realm_count; i++) {
1358                 realm = &bss->nai_realm_data[i];
1359                 for (j = 0; j < MAX_NAI_REALMS; j++) {
1360                         int offs = offsets[i * MAX_NAI_REALMS + j];
1361                         if (offs >= 0)
1362                                 realm->realm[j] = realm->realm_buf + offs;
1363                         else
1364                                 realm->realm[j] = NULL;
1365                 }
1366         }
1367         os_free(offsets);
1368
1369         realm = &bss->nai_realm_data[bss->nai_realm_count];
1370         os_memset(realm, 0, sizeof(*realm));
1371
1372         pos = buf;
1373         realm->encoding = atoi(pos);
1374         pos = os_strchr(pos, ',');
1375         if (pos == NULL)
1376                 goto fail;
1377         pos++;
1378
1379         end = os_strchr(pos, ',');
1380         if (end) {
1381                 len = end - pos;
1382                 *end = '\0';
1383         } else {
1384                 len = os_strlen(pos);
1385         }
1386
1387         if (len > MAX_NAI_REALMLEN) {
1388                 wpa_printf(MSG_ERROR, "Too long a realm string (%d > max %d "
1389                            "characters)", (int) len, MAX_NAI_REALMLEN);
1390                 goto fail;
1391         }
1392         os_memcpy(realm->realm_buf, pos, len);
1393
1394         if (end)
1395                 pos = end + 1;
1396         else
1397                 pos = NULL;
1398
1399         while (pos && *pos) {
1400                 struct hostapd_nai_realm_eap *eap;
1401
1402                 if (realm->eap_method_count >= MAX_NAI_EAP_METHODS) {
1403                         wpa_printf(MSG_ERROR, "Too many EAP methods");
1404                         goto fail;
1405                 }
1406
1407                 eap = &realm->eap_method[realm->eap_method_count];
1408                 realm->eap_method_count++;
1409
1410                 end = os_strchr(pos, ',');
1411                 if (end == NULL)
1412                         end = pos + os_strlen(pos);
1413
1414                 eap->eap_method = atoi(pos);
1415                 for (;;) {
1416                         pos = os_strchr(pos, '[');
1417                         if (pos == NULL || pos > end)
1418                                 break;
1419                         pos++;
1420                         if (eap->num_auths >= MAX_NAI_AUTH_TYPES) {
1421                                 wpa_printf(MSG_ERROR, "Too many auth params");
1422                                 goto fail;
1423                         }
1424                         eap->auth_id[eap->num_auths] = atoi(pos);
1425                         pos = os_strchr(pos, ':');
1426                         if (pos == NULL || pos > end)
1427                                 goto fail;
1428                         pos++;
1429                         eap->auth_val[eap->num_auths] = atoi(pos);
1430                         pos = os_strchr(pos, ']');
1431                         if (pos == NULL || pos > end)
1432                                 goto fail;
1433                         pos++;
1434                         eap->num_auths++;
1435                 }
1436
1437                 if (*end != ',')
1438                         break;
1439
1440                 pos = end + 1;
1441         }
1442
1443         /* Split realm list into null terminated realms */
1444         rpos = realm->realm_buf;
1445         i = 0;
1446         while (*rpos) {
1447                 if (i >= MAX_NAI_REALMS) {
1448                         wpa_printf(MSG_ERROR, "Too many realms");
1449                         goto fail;
1450                 }
1451                 realm->realm[i++] = rpos;
1452                 rpos = os_strchr(rpos, ';');
1453                 if (rpos == NULL)
1454                         break;
1455                 *rpos++ = '\0';
1456         }
1457
1458         bss->nai_realm_count++;
1459
1460         return 0;
1461
1462 fail:
1463         wpa_printf(MSG_ERROR, "Line %d: invalid nai_realm '%s'", line, buf);
1464         return -1;
1465 }
1466
1467
1468 static int parse_qos_map_set(struct hostapd_bss_config *bss,
1469                              char *buf, int line)
1470 {
1471         u8 qos_map_set[16 + 2 * 21], count = 0;
1472         char *pos = buf;
1473         int val;
1474
1475         for (;;) {
1476                 if (count == sizeof(qos_map_set)) {
1477                         wpa_printf(MSG_ERROR, "Line %d: Too many qos_map_set "
1478                                    "parameters '%s'", line, buf);
1479                         return -1;
1480                 }
1481
1482                 val = atoi(pos);
1483                 if (val > 255 || val < 0) {
1484                         wpa_printf(MSG_ERROR, "Line %d: Invalid qos_map_set "
1485                                    "'%s'", line, buf);
1486                         return -1;
1487                 }
1488
1489                 qos_map_set[count++] = val;
1490                 pos = os_strchr(pos, ',');
1491                 if (!pos)
1492                         break;
1493                 pos++;
1494         }
1495
1496         if (count < 16 || count & 1) {
1497                 wpa_printf(MSG_ERROR, "Line %d: Invalid qos_map_set '%s'",
1498                            line, buf);
1499                 return -1;
1500         }
1501
1502         os_memcpy(bss->qos_map_set, qos_map_set, count);
1503         bss->qos_map_set_len = count;
1504
1505         return 0;
1506 }
1507
1508 #endif /* CONFIG_INTERWORKING */
1509
1510
1511 #ifdef CONFIG_HS20
1512 static int hs20_parse_conn_capab(struct hostapd_bss_config *bss, char *buf,
1513                                  int line)
1514 {
1515         u8 *conn_cap;
1516         char *pos;
1517
1518         if (bss->hs20_connection_capability_len >= 0xfff0)
1519                 return -1;
1520
1521         conn_cap = os_realloc(bss->hs20_connection_capability,
1522                               bss->hs20_connection_capability_len + 4);
1523         if (conn_cap == NULL)
1524                 return -1;
1525
1526         bss->hs20_connection_capability = conn_cap;
1527         conn_cap += bss->hs20_connection_capability_len;
1528         pos = buf;
1529         conn_cap[0] = atoi(pos);
1530         pos = os_strchr(pos, ':');
1531         if (pos == NULL)
1532                 return -1;
1533         pos++;
1534         WPA_PUT_LE16(conn_cap + 1, atoi(pos));
1535         pos = os_strchr(pos, ':');
1536         if (pos == NULL)
1537                 return -1;
1538         pos++;
1539         conn_cap[3] = atoi(pos);
1540         bss->hs20_connection_capability_len += 4;
1541
1542         return 0;
1543 }
1544
1545
1546 static int hs20_parse_wan_metrics(struct hostapd_bss_config *bss, char *buf,
1547                                   int line)
1548 {
1549         u8 *wan_metrics;
1550         char *pos;
1551
1552         /* <WAN Info>:<DL Speed>:<UL Speed>:<DL Load>:<UL Load>:<LMD> */
1553
1554         wan_metrics = os_zalloc(13);
1555         if (wan_metrics == NULL)
1556                 return -1;
1557
1558         pos = buf;
1559         /* WAN Info */
1560         if (hexstr2bin(pos, wan_metrics, 1) < 0)
1561                 goto fail;
1562         pos += 2;
1563         if (*pos != ':')
1564                 goto fail;
1565         pos++;
1566
1567         /* Downlink Speed */
1568         WPA_PUT_LE32(wan_metrics + 1, atoi(pos));
1569         pos = os_strchr(pos, ':');
1570         if (pos == NULL)
1571                 goto fail;
1572         pos++;
1573
1574         /* Uplink Speed */
1575         WPA_PUT_LE32(wan_metrics + 5, atoi(pos));
1576         pos = os_strchr(pos, ':');
1577         if (pos == NULL)
1578                 goto fail;
1579         pos++;
1580
1581         /* Downlink Load */
1582         wan_metrics[9] = atoi(pos);
1583         pos = os_strchr(pos, ':');
1584         if (pos == NULL)
1585                 goto fail;
1586         pos++;
1587
1588         /* Uplink Load */
1589         wan_metrics[10] = atoi(pos);
1590         pos = os_strchr(pos, ':');
1591         if (pos == NULL)
1592                 goto fail;
1593         pos++;
1594
1595         /* LMD */
1596         WPA_PUT_LE16(wan_metrics + 11, atoi(pos));
1597
1598         os_free(bss->hs20_wan_metrics);
1599         bss->hs20_wan_metrics = wan_metrics;
1600
1601         return 0;
1602
1603 fail:
1604         wpa_printf(MSG_ERROR, "Line %d: Invalid hs20_wan_metrics '%s'",
1605                    line, buf);
1606         os_free(wan_metrics);
1607         return -1;
1608 }
1609
1610
1611 static int hs20_parse_oper_friendly_name(struct hostapd_bss_config *bss,
1612                                          char *pos, int line)
1613 {
1614         if (parse_lang_string(&bss->hs20_oper_friendly_name,
1615                               &bss->hs20_oper_friendly_name_count, pos)) {
1616                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1617                            "hs20_oper_friendly_name '%s'", line, pos);
1618                 return -1;
1619         }
1620         return 0;
1621 }
1622
1623
1624 static int hs20_parse_icon(struct hostapd_bss_config *bss, char *pos)
1625 {
1626         struct hs20_icon *icon;
1627         char *end;
1628
1629         icon = os_realloc_array(bss->hs20_icons, bss->hs20_icons_count + 1,
1630                                 sizeof(struct hs20_icon));
1631         if (icon == NULL)
1632                 return -1;
1633         bss->hs20_icons = icon;
1634         icon = &bss->hs20_icons[bss->hs20_icons_count];
1635         os_memset(icon, 0, sizeof(*icon));
1636
1637         icon->width = atoi(pos);
1638         pos = os_strchr(pos, ':');
1639         if (pos == NULL)
1640                 return -1;
1641         pos++;
1642
1643         icon->height = atoi(pos);
1644         pos = os_strchr(pos, ':');
1645         if (pos == NULL)
1646                 return -1;
1647         pos++;
1648
1649         end = os_strchr(pos, ':');
1650         if (end == NULL || end - pos > 3)
1651                 return -1;
1652         os_memcpy(icon->language, pos, end - pos);
1653         pos = end + 1;
1654
1655         end = os_strchr(pos, ':');
1656         if (end == NULL || end - pos > 255)
1657                 return -1;
1658         os_memcpy(icon->type, pos, end - pos);
1659         pos = end + 1;
1660
1661         end = os_strchr(pos, ':');
1662         if (end == NULL || end - pos > 255)
1663                 return -1;
1664         os_memcpy(icon->name, pos, end - pos);
1665         pos = end + 1;
1666
1667         if (os_strlen(pos) > 255)
1668                 return -1;
1669         os_memcpy(icon->file, pos, os_strlen(pos));
1670
1671         bss->hs20_icons_count++;
1672
1673         return 0;
1674 }
1675
1676
1677 static int hs20_parse_osu_ssid(struct hostapd_bss_config *bss,
1678                                char *pos, int line)
1679 {
1680         size_t slen;
1681         char *str;
1682
1683         str = wpa_config_parse_string(pos, &slen);
1684         if (str == NULL || slen < 1 || slen > HOSTAPD_MAX_SSID_LEN) {
1685                 wpa_printf(MSG_ERROR, "Line %d: Invalid SSID '%s'", line, pos);
1686                 os_free(str);
1687                 return -1;
1688         }
1689
1690         os_memcpy(bss->osu_ssid, str, slen);
1691         bss->osu_ssid_len = slen;
1692         os_free(str);
1693
1694         return 0;
1695 }
1696
1697
1698 static int hs20_parse_osu_server_uri(struct hostapd_bss_config *bss,
1699                                      char *pos, int line)
1700 {
1701         struct hs20_osu_provider *p;
1702
1703         p = os_realloc_array(bss->hs20_osu_providers,
1704                              bss->hs20_osu_providers_count + 1, sizeof(*p));
1705         if (p == NULL)
1706                 return -1;
1707
1708         bss->hs20_osu_providers = p;
1709         bss->last_osu = &bss->hs20_osu_providers[bss->hs20_osu_providers_count];
1710         bss->hs20_osu_providers_count++;
1711         os_memset(bss->last_osu, 0, sizeof(*p));
1712         bss->last_osu->server_uri = os_strdup(pos);
1713
1714         return 0;
1715 }
1716
1717
1718 static int hs20_parse_osu_friendly_name(struct hostapd_bss_config *bss,
1719                                         char *pos, int line)
1720 {
1721         if (bss->last_osu == NULL) {
1722                 wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
1723                 return -1;
1724         }
1725
1726         if (parse_lang_string(&bss->last_osu->friendly_name,
1727                               &bss->last_osu->friendly_name_count, pos)) {
1728                 wpa_printf(MSG_ERROR, "Line %d: Invalid osu_friendly_name '%s'",
1729                            line, pos);
1730                 return -1;
1731         }
1732
1733         return 0;
1734 }
1735
1736
1737 static int hs20_parse_osu_nai(struct hostapd_bss_config *bss,
1738                               char *pos, int line)
1739 {
1740         if (bss->last_osu == NULL) {
1741                 wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
1742                 return -1;
1743         }
1744
1745         os_free(bss->last_osu->osu_nai);
1746         bss->last_osu->osu_nai = os_strdup(pos);
1747         if (bss->last_osu->osu_nai == NULL)
1748                 return -1;
1749
1750         return 0;
1751 }
1752
1753
1754 static int hs20_parse_osu_method_list(struct hostapd_bss_config *bss, char *pos,
1755                                       int line)
1756 {
1757         if (bss->last_osu == NULL) {
1758                 wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
1759                 return -1;
1760         }
1761
1762         if (hostapd_parse_intlist(&bss->last_osu->method_list, pos)) {
1763                 wpa_printf(MSG_ERROR, "Line %d: Invalid osu_method_list", line);
1764                 return -1;
1765         }
1766
1767         return 0;
1768 }
1769
1770
1771 static int hs20_parse_osu_icon(struct hostapd_bss_config *bss, char *pos,
1772                                int line)
1773 {
1774         char **n;
1775         struct hs20_osu_provider *p = bss->last_osu;
1776
1777         if (p == NULL) {
1778                 wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
1779                 return -1;
1780         }
1781
1782         n = os_realloc_array(p->icons, p->icons_count + 1, sizeof(char *));
1783         if (n == NULL)
1784                 return -1;
1785         p->icons = n;
1786         p->icons[p->icons_count] = os_strdup(pos);
1787         if (p->icons[p->icons_count] == NULL)
1788                 return -1;
1789         p->icons_count++;
1790
1791         return 0;
1792 }
1793
1794
1795 static int hs20_parse_osu_service_desc(struct hostapd_bss_config *bss,
1796                                        char *pos, int line)
1797 {
1798         if (bss->last_osu == NULL) {
1799                 wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
1800                 return -1;
1801         }
1802
1803         if (parse_lang_string(&bss->last_osu->service_desc,
1804                               &bss->last_osu->service_desc_count, pos)) {
1805                 wpa_printf(MSG_ERROR, "Line %d: Invalid osu_service_desc '%s'",
1806                            line, pos);
1807                 return -1;
1808         }
1809
1810         return 0;
1811 }
1812
1813 #endif /* CONFIG_HS20 */
1814
1815
1816 #ifdef CONFIG_WPS_NFC
1817 static struct wpabuf * hostapd_parse_bin(const char *buf)
1818 {
1819         size_t len;
1820         struct wpabuf *ret;
1821
1822         len = os_strlen(buf);
1823         if (len & 0x01)
1824                 return NULL;
1825         len /= 2;
1826
1827         ret = wpabuf_alloc(len);
1828         if (ret == NULL)
1829                 return NULL;
1830
1831         if (hexstr2bin(buf, wpabuf_put(ret, len), len)) {
1832                 wpabuf_free(ret);
1833                 return NULL;
1834         }
1835
1836         return ret;
1837 }
1838 #endif /* CONFIG_WPS_NFC */
1839
1840
1841 static int hostapd_config_fill(struct hostapd_config *conf,
1842                                struct hostapd_bss_config *bss,
1843                                char *buf, char *pos, int line)
1844 {
1845         if (os_strcmp(buf, "interface") == 0) {
1846                 os_strlcpy(conf->bss[0]->iface, pos,
1847                            sizeof(conf->bss[0]->iface));
1848         } else if (os_strcmp(buf, "bridge") == 0) {
1849                 os_strlcpy(bss->bridge, pos, sizeof(bss->bridge));
1850         } else if (os_strcmp(buf, "vlan_bridge") == 0) {
1851                 os_strlcpy(bss->vlan_bridge, pos, sizeof(bss->vlan_bridge));
1852         } else if (os_strcmp(buf, "wds_bridge") == 0) {
1853                 os_strlcpy(bss->wds_bridge, pos, sizeof(bss->wds_bridge));
1854         } else if (os_strcmp(buf, "driver") == 0) {
1855                 int j;
1856                 /* clear to get error below if setting is invalid */
1857                 conf->driver = NULL;
1858                 for (j = 0; wpa_drivers[j]; j++) {
1859                         if (os_strcmp(pos, wpa_drivers[j]->name) == 0) {
1860                                 conf->driver = wpa_drivers[j];
1861                                 break;
1862                         }
1863                 }
1864                 if (conf->driver == NULL) {
1865                         wpa_printf(MSG_ERROR,
1866                                    "Line %d: invalid/unknown driver '%s'",
1867                                    line, pos);
1868                         return 1;
1869                 }
1870         } else if (os_strcmp(buf, "driver_params") == 0) {
1871                 os_free(conf->driver_params);
1872                 conf->driver_params = os_strdup(pos);
1873         } else if (os_strcmp(buf, "debug") == 0) {
1874                 wpa_printf(MSG_DEBUG, "Line %d: DEPRECATED: 'debug' configuration variable is not used anymore",
1875                            line);
1876         } else if (os_strcmp(buf, "logger_syslog_level") == 0) {
1877                 bss->logger_syslog_level = atoi(pos);
1878         } else if (os_strcmp(buf, "logger_stdout_level") == 0) {
1879                 bss->logger_stdout_level = atoi(pos);
1880         } else if (os_strcmp(buf, "logger_syslog") == 0) {
1881                 bss->logger_syslog = atoi(pos);
1882         } else if (os_strcmp(buf, "logger_stdout") == 0) {
1883                 bss->logger_stdout = atoi(pos);
1884         } else if (os_strcmp(buf, "dump_file") == 0) {
1885                 wpa_printf(MSG_INFO, "Line %d: DEPRECATED: 'dump_file' configuration variable is not used anymore",
1886                            line);
1887         } else if (os_strcmp(buf, "ssid") == 0) {
1888                 bss->ssid.ssid_len = os_strlen(pos);
1889                 if (bss->ssid.ssid_len > HOSTAPD_MAX_SSID_LEN ||
1890                     bss->ssid.ssid_len < 1) {
1891                         wpa_printf(MSG_ERROR, "Line %d: invalid SSID '%s'",
1892                                    line, pos);
1893                         return 1;
1894                 }
1895                 os_memcpy(bss->ssid.ssid, pos, bss->ssid.ssid_len);
1896                 bss->ssid.ssid_set = 1;
1897         } else if (os_strcmp(buf, "ssid2") == 0) {
1898                 size_t slen;
1899                 char *str = wpa_config_parse_string(pos, &slen);
1900                 if (str == NULL || slen < 1 || slen > HOSTAPD_MAX_SSID_LEN) {
1901                         wpa_printf(MSG_ERROR, "Line %d: invalid SSID '%s'",
1902                                    line, pos);
1903                         os_free(str);
1904                         return 1;
1905                 }
1906                 os_memcpy(bss->ssid.ssid, str, slen);
1907                 bss->ssid.ssid_len = slen;
1908                 bss->ssid.ssid_set = 1;
1909                 os_free(str);
1910         } else if (os_strcmp(buf, "utf8_ssid") == 0) {
1911                 bss->ssid.utf8_ssid = atoi(pos) > 0;
1912         } else if (os_strcmp(buf, "macaddr_acl") == 0) {
1913                 bss->macaddr_acl = atoi(pos);
1914                 if (bss->macaddr_acl != ACCEPT_UNLESS_DENIED &&
1915                     bss->macaddr_acl != DENY_UNLESS_ACCEPTED &&
1916                     bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
1917                         wpa_printf(MSG_ERROR, "Line %d: unknown macaddr_acl %d",
1918                                    line, bss->macaddr_acl);
1919                 }
1920         } else if (os_strcmp(buf, "accept_mac_file") == 0) {
1921                 if (hostapd_config_read_maclist(pos, &bss->accept_mac,
1922                                                 &bss->num_accept_mac)) {
1923                         wpa_printf(MSG_ERROR, "Line %d: Failed to read accept_mac_file '%s'",
1924                                    line, pos);
1925                         return 1;
1926                 }
1927         } else if (os_strcmp(buf, "deny_mac_file") == 0) {
1928                 if (hostapd_config_read_maclist(pos, &bss->deny_mac,
1929                                                 &bss->num_deny_mac)) {
1930                         wpa_printf(MSG_ERROR, "Line %d: Failed to read deny_mac_file '%s'",
1931                                    line, pos);
1932                         return 1;
1933                 }
1934         } else if (os_strcmp(buf, "wds_sta") == 0) {
1935                 bss->wds_sta = atoi(pos);
1936         } else if (os_strcmp(buf, "start_disabled") == 0) {
1937                 bss->start_disabled = atoi(pos);
1938         } else if (os_strcmp(buf, "ap_isolate") == 0) {
1939                 bss->isolate = atoi(pos);
1940         } else if (os_strcmp(buf, "ap_max_inactivity") == 0) {
1941                 bss->ap_max_inactivity = atoi(pos);
1942         } else if (os_strcmp(buf, "skip_inactivity_poll") == 0) {
1943                 bss->skip_inactivity_poll = atoi(pos);
1944         } else if (os_strcmp(buf, "country_code") == 0) {
1945                 os_memcpy(conf->country, pos, 2);
1946                 /* FIX: make this configurable */
1947                 conf->country[2] = ' ';
1948         } else if (os_strcmp(buf, "ieee80211d") == 0) {
1949                 conf->ieee80211d = atoi(pos);
1950         } else if (os_strcmp(buf, "ieee80211h") == 0) {
1951                 conf->ieee80211h = atoi(pos);
1952         } else if (os_strcmp(buf, "ieee8021x") == 0) {
1953                 bss->ieee802_1x = atoi(pos);
1954         } else if (os_strcmp(buf, "eapol_version") == 0) {
1955                 bss->eapol_version = atoi(pos);
1956                 if (bss->eapol_version < 1 || bss->eapol_version > 2) {
1957                         wpa_printf(MSG_ERROR,
1958                                    "Line %d: invalid EAPOL version (%d): '%s'.",
1959                                    line, bss->eapol_version, pos);
1960                         return 1;
1961                 }
1962                 wpa_printf(MSG_DEBUG, "eapol_version=%d", bss->eapol_version);
1963 #ifdef EAP_SERVER
1964         } else if (os_strcmp(buf, "eap_authenticator") == 0) {
1965                 bss->eap_server = atoi(pos);
1966                 wpa_printf(MSG_ERROR, "Line %d: obsolete eap_authenticator used; this has been renamed to eap_server", line);
1967         } else if (os_strcmp(buf, "eap_server") == 0) {
1968                 bss->eap_server = atoi(pos);
1969         } else if (os_strcmp(buf, "eap_user_file") == 0) {
1970                 if (hostapd_config_read_eap_user(pos, bss))
1971                         return 1;
1972         } else if (os_strcmp(buf, "ca_cert") == 0) {
1973                 os_free(bss->ca_cert);
1974                 bss->ca_cert = os_strdup(pos);
1975         } else if (os_strcmp(buf, "server_cert") == 0) {
1976                 os_free(bss->server_cert);
1977                 bss->server_cert = os_strdup(pos);
1978         } else if (os_strcmp(buf, "private_key") == 0) {
1979                 os_free(bss->private_key);
1980                 bss->private_key = os_strdup(pos);
1981         } else if (os_strcmp(buf, "private_key_passwd") == 0) {
1982                 os_free(bss->private_key_passwd);
1983                 bss->private_key_passwd = os_strdup(pos);
1984         } else if (os_strcmp(buf, "check_crl") == 0) {
1985                 bss->check_crl = atoi(pos);
1986         } else if (os_strcmp(buf, "ocsp_stapling_response") == 0) {
1987                 os_free(bss->ocsp_stapling_response);
1988                 bss->ocsp_stapling_response = os_strdup(pos);
1989         } else if (os_strcmp(buf, "dh_file") == 0) {
1990                 os_free(bss->dh_file);
1991                 bss->dh_file = os_strdup(pos);
1992         } else if (os_strcmp(buf, "openssl_ciphers") == 0) {
1993                 os_free(bss->openssl_ciphers);
1994                 bss->openssl_ciphers = os_strdup(pos);
1995         } else if (os_strcmp(buf, "fragment_size") == 0) {
1996                 bss->fragment_size = atoi(pos);
1997 #ifdef EAP_SERVER_FAST
1998         } else if (os_strcmp(buf, "pac_opaque_encr_key") == 0) {
1999                 os_free(bss->pac_opaque_encr_key);
2000                 bss->pac_opaque_encr_key = os_malloc(16);
2001                 if (bss->pac_opaque_encr_key == NULL) {
2002                         wpa_printf(MSG_ERROR,
2003                                    "Line %d: No memory for pac_opaque_encr_key",
2004                                    line);
2005                         return 1;
2006                 } else if (hexstr2bin(pos, bss->pac_opaque_encr_key, 16)) {
2007                         wpa_printf(MSG_ERROR, "Line %d: Invalid pac_opaque_encr_key",
2008                                    line);
2009                         return 1;
2010                 }
2011         } else if (os_strcmp(buf, "eap_fast_a_id") == 0) {
2012                 size_t idlen = os_strlen(pos);
2013                 if (idlen & 1) {
2014                         wpa_printf(MSG_ERROR, "Line %d: Invalid eap_fast_a_id",
2015                                    line);
2016                         return 1;
2017                 }
2018                 os_free(bss->eap_fast_a_id);
2019                 bss->eap_fast_a_id = os_malloc(idlen / 2);
2020                 if (bss->eap_fast_a_id == NULL ||
2021                     hexstr2bin(pos, bss->eap_fast_a_id, idlen / 2)) {
2022                         wpa_printf(MSG_ERROR, "Line %d: Failed to parse eap_fast_a_id",
2023                                    line);
2024                         os_free(bss->eap_fast_a_id);
2025                         bss->eap_fast_a_id = NULL;
2026                         return 1;
2027                 } else {
2028                         bss->eap_fast_a_id_len = idlen / 2;
2029                 }
2030         } else if (os_strcmp(buf, "eap_fast_a_id_info") == 0) {
2031                 os_free(bss->eap_fast_a_id_info);
2032                 bss->eap_fast_a_id_info = os_strdup(pos);
2033         } else if (os_strcmp(buf, "eap_fast_prov") == 0) {
2034                 bss->eap_fast_prov = atoi(pos);
2035         } else if (os_strcmp(buf, "pac_key_lifetime") == 0) {
2036                 bss->pac_key_lifetime = atoi(pos);
2037         } else if (os_strcmp(buf, "pac_key_refresh_time") == 0) {
2038                 bss->pac_key_refresh_time = atoi(pos);
2039 #endif /* EAP_SERVER_FAST */
2040 #ifdef EAP_SERVER_SIM
2041         } else if (os_strcmp(buf, "eap_sim_db") == 0) {
2042                 os_free(bss->eap_sim_db);
2043                 bss->eap_sim_db = os_strdup(pos);
2044         } else if (os_strcmp(buf, "eap_sim_aka_result_ind") == 0) {
2045                 bss->eap_sim_aka_result_ind = atoi(pos);
2046 #endif /* EAP_SERVER_SIM */
2047 #ifdef EAP_SERVER_TNC
2048         } else if (os_strcmp(buf, "tnc") == 0) {
2049                 bss->tnc = atoi(pos);
2050 #endif /* EAP_SERVER_TNC */
2051 #ifdef EAP_SERVER_PWD
2052         } else if (os_strcmp(buf, "pwd_group") == 0) {
2053                 bss->pwd_group = atoi(pos);
2054 #endif /* EAP_SERVER_PWD */
2055         } else if (os_strcmp(buf, "eap_server_erp") == 0) {
2056                 bss->eap_server_erp = atoi(pos);
2057 #endif /* EAP_SERVER */
2058         } else if (os_strcmp(buf, "eap_message") == 0) {
2059                 char *term;
2060                 os_free(bss->eap_req_id_text);
2061                 bss->eap_req_id_text = os_strdup(pos);
2062                 if (bss->eap_req_id_text == NULL) {
2063                         wpa_printf(MSG_ERROR, "Line %d: Failed to allocate memory for eap_req_id_text",
2064                                    line);
2065                         return 1;
2066                 }
2067                 bss->eap_req_id_text_len = os_strlen(bss->eap_req_id_text);
2068                 term = os_strstr(bss->eap_req_id_text, "\\0");
2069                 if (term) {
2070                         *term++ = '\0';
2071                         os_memmove(term, term + 1,
2072                                    bss->eap_req_id_text_len -
2073                                    (term - bss->eap_req_id_text) - 1);
2074                         bss->eap_req_id_text_len--;
2075                 }
2076         } else if (os_strcmp(buf, "erp_send_reauth_start") == 0) {
2077                 bss->erp_send_reauth_start = atoi(pos);
2078         } else if (os_strcmp(buf, "erp_domain") == 0) {
2079                 os_free(bss->erp_domain);
2080                 bss->erp_domain = os_strdup(pos);
2081         } else if (os_strcmp(buf, "wep_key_len_broadcast") == 0) {
2082                 bss->default_wep_key_len = atoi(pos);
2083                 if (bss->default_wep_key_len > 13) {
2084                         wpa_printf(MSG_ERROR, "Line %d: invalid WEP key len %lu (= %lu bits)",
2085                                    line,
2086                                    (unsigned long) bss->default_wep_key_len,
2087                                    (unsigned long)
2088                                    bss->default_wep_key_len * 8);
2089                         return 1;
2090                 }
2091         } else if (os_strcmp(buf, "wep_key_len_unicast") == 0) {
2092                 bss->individual_wep_key_len = atoi(pos);
2093                 if (bss->individual_wep_key_len < 0 ||
2094                     bss->individual_wep_key_len > 13) {
2095                         wpa_printf(MSG_ERROR, "Line %d: invalid WEP key len %d (= %d bits)",
2096                                    line, bss->individual_wep_key_len,
2097                                    bss->individual_wep_key_len * 8);
2098                         return 1;
2099                 }
2100         } else if (os_strcmp(buf, "wep_rekey_period") == 0) {
2101                 bss->wep_rekeying_period = atoi(pos);
2102                 if (bss->wep_rekeying_period < 0) {
2103                         wpa_printf(MSG_ERROR, "Line %d: invalid period %d",
2104                                    line, bss->wep_rekeying_period);
2105                         return 1;
2106                 }
2107         } else if (os_strcmp(buf, "eap_reauth_period") == 0) {
2108                 bss->eap_reauth_period = atoi(pos);
2109                 if (bss->eap_reauth_period < 0) {
2110                         wpa_printf(MSG_ERROR, "Line %d: invalid period %d",
2111                                    line, bss->eap_reauth_period);
2112                         return 1;
2113                 }
2114         } else if (os_strcmp(buf, "eapol_key_index_workaround") == 0) {
2115                 bss->eapol_key_index_workaround = atoi(pos);
2116 #ifdef CONFIG_IAPP
2117         } else if (os_strcmp(buf, "iapp_interface") == 0) {
2118                 bss->ieee802_11f = 1;
2119                 os_strlcpy(bss->iapp_iface, pos, sizeof(bss->iapp_iface));
2120 #endif /* CONFIG_IAPP */
2121         } else if (os_strcmp(buf, "own_ip_addr") == 0) {
2122                 if (hostapd_parse_ip_addr(pos, &bss->own_ip_addr)) {
2123                         wpa_printf(MSG_ERROR,
2124                                    "Line %d: invalid IP address '%s'",
2125                                    line, pos);
2126                         return 1;
2127                 }
2128         } else if (os_strcmp(buf, "nas_identifier") == 0) {
2129                 os_free(bss->nas_identifier);
2130                 bss->nas_identifier = os_strdup(pos);
2131 #ifndef CONFIG_NO_RADIUS
2132         } else if (os_strcmp(buf, "auth_server_addr") == 0) {
2133                 if (hostapd_config_read_radius_addr(
2134                             &bss->radius->auth_servers,
2135                             &bss->radius->num_auth_servers, pos, 1812,
2136                             &bss->radius->auth_server)) {
2137                         wpa_printf(MSG_ERROR,
2138                                    "Line %d: invalid IP address '%s'",
2139                                    line, pos);
2140                         return 1;
2141                 }
2142         } else if (bss->radius->auth_server &&
2143                    os_strcmp(buf, "auth_server_port") == 0) {
2144                 bss->radius->auth_server->port = atoi(pos);
2145         } else if (bss->radius->auth_server &&
2146                    os_strcmp(buf, "auth_server_shared_secret") == 0) {
2147                 int len = os_strlen(pos);
2148                 if (len == 0) {
2149                         /* RFC 2865, Ch. 3 */
2150                         wpa_printf(MSG_ERROR, "Line %d: empty shared secret is not allowed",
2151                                    line);
2152                         return 1;
2153                 }
2154                 os_free(bss->radius->auth_server->shared_secret);
2155                 bss->radius->auth_server->shared_secret = (u8 *) os_strdup(pos);
2156                 bss->radius->auth_server->shared_secret_len = len;
2157         } else if (os_strcmp(buf, "acct_server_addr") == 0) {
2158                 if (hostapd_config_read_radius_addr(
2159                             &bss->radius->acct_servers,
2160                             &bss->radius->num_acct_servers, pos, 1813,
2161                             &bss->radius->acct_server)) {
2162                         wpa_printf(MSG_ERROR,
2163                                    "Line %d: invalid IP address '%s'",
2164                                    line, pos);
2165                         return 1;
2166                 }
2167         } else if (bss->radius->acct_server &&
2168                    os_strcmp(buf, "acct_server_port") == 0) {
2169                 bss->radius->acct_server->port = atoi(pos);
2170         } else if (bss->radius->acct_server &&
2171                    os_strcmp(buf, "acct_server_shared_secret") == 0) {
2172                 int len = os_strlen(pos);
2173                 if (len == 0) {
2174                         /* RFC 2865, Ch. 3 */
2175                         wpa_printf(MSG_ERROR, "Line %d: empty shared secret is not allowed",
2176                                    line);
2177                         return 1;
2178                 }
2179                 os_free(bss->radius->acct_server->shared_secret);
2180                 bss->radius->acct_server->shared_secret = (u8 *) os_strdup(pos);
2181                 bss->radius->acct_server->shared_secret_len = len;
2182         } else if (os_strcmp(buf, "radius_retry_primary_interval") == 0) {
2183                 bss->radius->retry_primary_interval = atoi(pos);
2184         } else if (os_strcmp(buf, "radius_acct_interim_interval") == 0) {
2185                 bss->acct_interim_interval = atoi(pos);
2186         } else if (os_strcmp(buf, "radius_request_cui") == 0) {
2187                 bss->radius_request_cui = atoi(pos);
2188         } else if (os_strcmp(buf, "radius_auth_req_attr") == 0) {
2189                 struct hostapd_radius_attr *attr, *a;
2190                 attr = hostapd_parse_radius_attr(pos);
2191                 if (attr == NULL) {
2192                         wpa_printf(MSG_ERROR,
2193                                    "Line %d: invalid radius_auth_req_attr",
2194                                    line);
2195                         return 1;
2196                 } else if (bss->radius_auth_req_attr == NULL) {
2197                         bss->radius_auth_req_attr = attr;
2198                 } else {
2199                         a = bss->radius_auth_req_attr;
2200                         while (a->next)
2201                                 a = a->next;
2202                         a->next = attr;
2203                 }
2204         } else if (os_strcmp(buf, "radius_acct_req_attr") == 0) {
2205                 struct hostapd_radius_attr *attr, *a;
2206                 attr = hostapd_parse_radius_attr(pos);
2207                 if (attr == NULL) {
2208                         wpa_printf(MSG_ERROR,
2209                                    "Line %d: invalid radius_acct_req_attr",
2210                                    line);
2211                         return 1;
2212                 } else if (bss->radius_acct_req_attr == NULL) {
2213                         bss->radius_acct_req_attr = attr;
2214                 } else {
2215                         a = bss->radius_acct_req_attr;
2216                         while (a->next)
2217                                 a = a->next;
2218                         a->next = attr;
2219                 }
2220         } else if (os_strcmp(buf, "radius_das_port") == 0) {
2221                 bss->radius_das_port = atoi(pos);
2222         } else if (os_strcmp(buf, "radius_das_client") == 0) {
2223                 if (hostapd_parse_das_client(bss, pos) < 0) {
2224                         wpa_printf(MSG_ERROR, "Line %d: invalid DAS client",
2225                                    line);
2226                         return 1;
2227                 }
2228         } else if (os_strcmp(buf, "radius_das_time_window") == 0) {
2229                 bss->radius_das_time_window = atoi(pos);
2230         } else if (os_strcmp(buf, "radius_das_require_event_timestamp") == 0) {
2231                 bss->radius_das_require_event_timestamp = atoi(pos);
2232 #endif /* CONFIG_NO_RADIUS */
2233         } else if (os_strcmp(buf, "auth_algs") == 0) {
2234                 bss->auth_algs = atoi(pos);
2235                 if (bss->auth_algs == 0) {
2236                         wpa_printf(MSG_ERROR, "Line %d: no authentication algorithms allowed",
2237                                    line);
2238                         return 1;
2239                 }
2240         } else if (os_strcmp(buf, "max_num_sta") == 0) {
2241                 bss->max_num_sta = atoi(pos);
2242                 if (bss->max_num_sta < 0 ||
2243                     bss->max_num_sta > MAX_STA_COUNT) {
2244                         wpa_printf(MSG_ERROR, "Line %d: Invalid max_num_sta=%d; allowed range 0..%d",
2245                                    line, bss->max_num_sta, MAX_STA_COUNT);
2246                         return 1;
2247                 }
2248         } else if (os_strcmp(buf, "wpa") == 0) {
2249                 bss->wpa = atoi(pos);
2250         } else if (os_strcmp(buf, "wpa_group_rekey") == 0) {
2251                 bss->wpa_group_rekey = atoi(pos);
2252         } else if (os_strcmp(buf, "wpa_strict_rekey") == 0) {
2253                 bss->wpa_strict_rekey = atoi(pos);
2254         } else if (os_strcmp(buf, "wpa_gmk_rekey") == 0) {
2255                 bss->wpa_gmk_rekey = atoi(pos);
2256         } else if (os_strcmp(buf, "wpa_ptk_rekey") == 0) {
2257                 bss->wpa_ptk_rekey = atoi(pos);
2258         } else if (os_strcmp(buf, "wpa_passphrase") == 0) {
2259                 int len = os_strlen(pos);
2260                 if (len < 8 || len > 63) {
2261                         wpa_printf(MSG_ERROR, "Line %d: invalid WPA passphrase length %d (expected 8..63)",
2262                                    line, len);
2263                         return 1;
2264                 }
2265                 os_free(bss->ssid.wpa_passphrase);
2266                 bss->ssid.wpa_passphrase = os_strdup(pos);
2267                 if (bss->ssid.wpa_passphrase) {
2268                         os_free(bss->ssid.wpa_psk);
2269                         bss->ssid.wpa_psk = NULL;
2270                         bss->ssid.wpa_passphrase_set = 1;
2271                 }
2272         } else if (os_strcmp(buf, "wpa_psk") == 0) {
2273                 os_free(bss->ssid.wpa_psk);
2274                 bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
2275                 if (bss->ssid.wpa_psk == NULL)
2276                         return 1;
2277                 if (hexstr2bin(pos, bss->ssid.wpa_psk->psk, PMK_LEN) ||
2278                     pos[PMK_LEN * 2] != '\0') {
2279                         wpa_printf(MSG_ERROR, "Line %d: Invalid PSK '%s'.",
2280                                    line, pos);
2281                         os_free(bss->ssid.wpa_psk);
2282                         bss->ssid.wpa_psk = NULL;
2283                         return 1;
2284                 }
2285                 bss->ssid.wpa_psk->group = 1;
2286                 os_free(bss->ssid.wpa_passphrase);
2287                 bss->ssid.wpa_passphrase = NULL;
2288                 bss->ssid.wpa_psk_set = 1;
2289         } else if (os_strcmp(buf, "wpa_psk_file") == 0) {
2290                 os_free(bss->ssid.wpa_psk_file);
2291                 bss->ssid.wpa_psk_file = os_strdup(pos);
2292                 if (!bss->ssid.wpa_psk_file) {
2293                         wpa_printf(MSG_ERROR, "Line %d: allocation failed",
2294                                    line);
2295                         return 1;
2296                 }
2297         } else if (os_strcmp(buf, "wpa_key_mgmt") == 0) {
2298                 bss->wpa_key_mgmt = hostapd_config_parse_key_mgmt(line, pos);
2299                 if (bss->wpa_key_mgmt == -1)
2300                         return 1;
2301         } else if (os_strcmp(buf, "wpa_psk_radius") == 0) {
2302                 bss->wpa_psk_radius = atoi(pos);
2303                 if (bss->wpa_psk_radius != PSK_RADIUS_IGNORED &&
2304                     bss->wpa_psk_radius != PSK_RADIUS_ACCEPTED &&
2305                     bss->wpa_psk_radius != PSK_RADIUS_REQUIRED) {
2306                         wpa_printf(MSG_ERROR,
2307                                    "Line %d: unknown wpa_psk_radius %d",
2308                                    line, bss->wpa_psk_radius);
2309                         return 1;
2310                 }
2311         } else if (os_strcmp(buf, "wpa_pairwise") == 0) {
2312                 bss->wpa_pairwise = hostapd_config_parse_cipher(line, pos);
2313                 if (bss->wpa_pairwise == -1 || bss->wpa_pairwise == 0)
2314                         return 1;
2315                 if (bss->wpa_pairwise &
2316                     (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)) {
2317                         wpa_printf(MSG_ERROR, "Line %d: unsupported pairwise cipher suite '%s'",
2318                                    bss->wpa_pairwise, pos);
2319                         return 1;
2320                 }
2321         } else if (os_strcmp(buf, "rsn_pairwise") == 0) {
2322                 bss->rsn_pairwise = hostapd_config_parse_cipher(line, pos);
2323                 if (bss->rsn_pairwise == -1 || bss->rsn_pairwise == 0)
2324                         return 1;
2325                 if (bss->rsn_pairwise &
2326                     (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)) {
2327                         wpa_printf(MSG_ERROR, "Line %d: unsupported pairwise cipher suite '%s'",
2328                                    bss->rsn_pairwise, pos);
2329                         return 1;
2330                 }
2331 #ifdef CONFIG_RSN_PREAUTH
2332         } else if (os_strcmp(buf, "rsn_preauth") == 0) {
2333                 bss->rsn_preauth = atoi(pos);
2334         } else if (os_strcmp(buf, "rsn_preauth_interfaces") == 0) {
2335                 os_free(bss->rsn_preauth_interfaces);
2336                 bss->rsn_preauth_interfaces = os_strdup(pos);
2337 #endif /* CONFIG_RSN_PREAUTH */
2338 #ifdef CONFIG_PEERKEY
2339         } else if (os_strcmp(buf, "peerkey") == 0) {
2340                 bss->peerkey = atoi(pos);
2341 #endif /* CONFIG_PEERKEY */
2342 #ifdef CONFIG_IEEE80211R
2343         } else if (os_strcmp(buf, "mobility_domain") == 0) {
2344                 if (os_strlen(pos) != 2 * MOBILITY_DOMAIN_ID_LEN ||
2345                     hexstr2bin(pos, bss->mobility_domain,
2346                                MOBILITY_DOMAIN_ID_LEN) != 0) {
2347                         wpa_printf(MSG_ERROR,
2348                                    "Line %d: Invalid mobility_domain '%s'",
2349                                    line, pos);
2350                         return 1;
2351                 }
2352         } else if (os_strcmp(buf, "r1_key_holder") == 0) {
2353                 if (os_strlen(pos) != 2 * FT_R1KH_ID_LEN ||
2354                     hexstr2bin(pos, bss->r1_key_holder, FT_R1KH_ID_LEN) != 0) {
2355                         wpa_printf(MSG_ERROR,
2356                                    "Line %d: Invalid r1_key_holder '%s'",
2357                                    line, pos);
2358                         return 1;
2359                 }
2360         } else if (os_strcmp(buf, "r0_key_lifetime") == 0) {
2361                 bss->r0_key_lifetime = atoi(pos);
2362         } else if (os_strcmp(buf, "reassociation_deadline") == 0) {
2363                 bss->reassociation_deadline = atoi(pos);
2364         } else if (os_strcmp(buf, "r0kh") == 0) {
2365                 if (add_r0kh(bss, pos) < 0) {
2366                         wpa_printf(MSG_DEBUG, "Line %d: Invalid r0kh '%s'",
2367                                    line, pos);
2368                         return 1;
2369                 }
2370         } else if (os_strcmp(buf, "r1kh") == 0) {
2371                 if (add_r1kh(bss, pos) < 0) {
2372                         wpa_printf(MSG_DEBUG, "Line %d: Invalid r1kh '%s'",
2373                                    line, pos);
2374                         return 1;
2375                 }
2376         } else if (os_strcmp(buf, "pmk_r1_push") == 0) {
2377                 bss->pmk_r1_push = atoi(pos);
2378         } else if (os_strcmp(buf, "ft_over_ds") == 0) {
2379                 bss->ft_over_ds = atoi(pos);
2380 #endif /* CONFIG_IEEE80211R */
2381 #ifndef CONFIG_NO_CTRL_IFACE
2382         } else if (os_strcmp(buf, "ctrl_interface") == 0) {
2383                 os_free(bss->ctrl_interface);
2384                 bss->ctrl_interface = os_strdup(pos);
2385         } else if (os_strcmp(buf, "ctrl_interface_group") == 0) {
2386 #ifndef CONFIG_NATIVE_WINDOWS
2387                 struct group *grp;
2388                 char *endp;
2389                 const char *group = pos;
2390
2391                 grp = getgrnam(group);
2392                 if (grp) {
2393                         bss->ctrl_interface_gid = grp->gr_gid;
2394                         bss->ctrl_interface_gid_set = 1;
2395                         wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d (from group name '%s')",
2396                                    bss->ctrl_interface_gid, group);
2397                         return 0;
2398                 }
2399
2400                 /* Group name not found - try to parse this as gid */
2401                 bss->ctrl_interface_gid = strtol(group, &endp, 10);
2402                 if (*group == '\0' || *endp != '\0') {
2403                         wpa_printf(MSG_DEBUG, "Line %d: Invalid group '%s'",
2404                                    line, group);
2405                         return 1;
2406                 }
2407                 bss->ctrl_interface_gid_set = 1;
2408                 wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d",
2409                            bss->ctrl_interface_gid);
2410 #endif /* CONFIG_NATIVE_WINDOWS */
2411 #endif /* CONFIG_NO_CTRL_IFACE */
2412 #ifdef RADIUS_SERVER
2413         } else if (os_strcmp(buf, "radius_server_clients") == 0) {
2414                 os_free(bss->radius_server_clients);
2415                 bss->radius_server_clients = os_strdup(pos);
2416         } else if (os_strcmp(buf, "radius_server_auth_port") == 0) {
2417                 bss->radius_server_auth_port = atoi(pos);
2418         } else if (os_strcmp(buf, "radius_server_acct_port") == 0) {
2419                 bss->radius_server_acct_port = atoi(pos);
2420         } else if (os_strcmp(buf, "radius_server_ipv6") == 0) {
2421                 bss->radius_server_ipv6 = atoi(pos);
2422 #endif /* RADIUS_SERVER */
2423         } else if (os_strcmp(buf, "use_pae_group_addr") == 0) {
2424                 bss->use_pae_group_addr = atoi(pos);
2425         } else if (os_strcmp(buf, "hw_mode") == 0) {
2426                 if (os_strcmp(pos, "a") == 0)
2427                         conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
2428                 else if (os_strcmp(pos, "b") == 0)
2429                         conf->hw_mode = HOSTAPD_MODE_IEEE80211B;
2430                 else if (os_strcmp(pos, "g") == 0)
2431                         conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
2432                 else if (os_strcmp(pos, "ad") == 0)
2433                         conf->hw_mode = HOSTAPD_MODE_IEEE80211AD;
2434                 else {
2435                         wpa_printf(MSG_ERROR, "Line %d: unknown hw_mode '%s'",
2436                                    line, pos);
2437                         return 1;
2438                 }
2439         } else if (os_strcmp(buf, "wps_rf_bands") == 0) {
2440                 if (os_strcmp(pos, "a") == 0)
2441                         bss->wps_rf_bands = WPS_RF_50GHZ;
2442                 else if (os_strcmp(pos, "g") == 0 ||
2443                          os_strcmp(pos, "b") == 0)
2444                         bss->wps_rf_bands = WPS_RF_24GHZ;
2445                 else if (os_strcmp(pos, "ag") == 0 ||
2446                          os_strcmp(pos, "ga") == 0)
2447                         bss->wps_rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ;
2448                 else {
2449                         wpa_printf(MSG_ERROR,
2450                                    "Line %d: unknown wps_rf_band '%s'",
2451                                    line, pos);
2452                         return 1;
2453                 }
2454         } else if (os_strcmp(buf, "channel") == 0) {
2455                 if (os_strcmp(pos, "acs_survey") == 0) {
2456 #ifndef CONFIG_ACS
2457                         wpa_printf(MSG_ERROR, "Line %d: tries to enable ACS but CONFIG_ACS disabled",
2458                                    line);
2459                         return 1;
2460 #else /* CONFIG_ACS */
2461                         conf->channel = 0;
2462 #endif /* CONFIG_ACS */
2463                 } else
2464                         conf->channel = atoi(pos);
2465         } else if (os_strcmp(buf, "chanlist") == 0) {
2466                 if (hostapd_parse_intlist(&conf->chanlist, pos)) {
2467                         wpa_printf(MSG_ERROR, "Line %d: invalid channel list",
2468                                    line);
2469                         return 1;
2470                 }
2471         } else if (os_strcmp(buf, "beacon_int") == 0) {
2472                 int val = atoi(pos);
2473                 /* MIB defines range as 1..65535, but very small values
2474                  * cause problems with the current implementation.
2475                  * Since it is unlikely that this small numbers are
2476                  * useful in real life scenarios, do not allow beacon
2477                  * period to be set below 15 TU. */
2478                 if (val < 15 || val > 65535) {
2479                         wpa_printf(MSG_ERROR, "Line %d: invalid beacon_int %d (expected 15..65535)",
2480                                    line, val);
2481                         return 1;
2482                 }
2483                 conf->beacon_int = val;
2484 #ifdef CONFIG_ACS
2485         } else if (os_strcmp(buf, "acs_num_scans") == 0) {
2486                 int val = atoi(pos);
2487                 if (val <= 0 || val > 100) {
2488                         wpa_printf(MSG_ERROR, "Line %d: invalid acs_num_scans %d (expected 1..100)",
2489                                    line, val);
2490                         return 1;
2491                 }
2492                 conf->acs_num_scans = val;
2493 #endif /* CONFIG_ACS */
2494         } else if (os_strcmp(buf, "dtim_period") == 0) {
2495                 bss->dtim_period = atoi(pos);
2496                 if (bss->dtim_period < 1 || bss->dtim_period > 255) {
2497                         wpa_printf(MSG_ERROR, "Line %d: invalid dtim_period %d",
2498                                    line, bss->dtim_period);
2499                         return 1;
2500                 }
2501         } else if (os_strcmp(buf, "bss_load_update_period") == 0) {
2502                 bss->bss_load_update_period = atoi(pos);
2503                 if (bss->bss_load_update_period < 0 ||
2504                     bss->bss_load_update_period > 100) {
2505                         wpa_printf(MSG_ERROR,
2506                                    "Line %d: invalid bss_load_update_period %d",
2507                                    line, bss->bss_load_update_period);
2508                         return 1;
2509                 }
2510         } else if (os_strcmp(buf, "rts_threshold") == 0) {
2511                 conf->rts_threshold = atoi(pos);
2512                 if (conf->rts_threshold < 0 || conf->rts_threshold > 2347) {
2513                         wpa_printf(MSG_ERROR,
2514                                    "Line %d: invalid rts_threshold %d",
2515                                    line, conf->rts_threshold);
2516                         return 1;
2517                 }
2518         } else if (os_strcmp(buf, "fragm_threshold") == 0) {
2519                 conf->fragm_threshold = atoi(pos);
2520                 if (conf->fragm_threshold < 256 ||
2521                     conf->fragm_threshold > 2346) {
2522                         wpa_printf(MSG_ERROR,
2523                                    "Line %d: invalid fragm_threshold %d",
2524                                    line, conf->fragm_threshold);
2525                         return 1;
2526                 }
2527         } else if (os_strcmp(buf, "send_probe_response") == 0) {
2528                 int val = atoi(pos);
2529                 if (val != 0 && val != 1) {
2530                         wpa_printf(MSG_ERROR, "Line %d: invalid send_probe_response %d (expected 0 or 1)",
2531                                    line, val);
2532                         return 1;
2533                 }
2534                 conf->send_probe_response = val;
2535         } else if (os_strcmp(buf, "supported_rates") == 0) {
2536                 if (hostapd_parse_intlist(&conf->supported_rates, pos)) {
2537                         wpa_printf(MSG_ERROR, "Line %d: invalid rate list",
2538                                    line);
2539                         return 1;
2540                 }
2541         } else if (os_strcmp(buf, "basic_rates") == 0) {
2542                 if (hostapd_parse_intlist(&conf->basic_rates, pos)) {
2543                         wpa_printf(MSG_ERROR, "Line %d: invalid rate list",
2544                                    line);
2545                         return 1;
2546                 }
2547         } else if (os_strcmp(buf, "preamble") == 0) {
2548                 if (atoi(pos))
2549                         conf->preamble = SHORT_PREAMBLE;
2550                 else
2551                         conf->preamble = LONG_PREAMBLE;
2552         } else if (os_strcmp(buf, "ignore_broadcast_ssid") == 0) {
2553                 bss->ignore_broadcast_ssid = atoi(pos);
2554         } else if (os_strcmp(buf, "wep_default_key") == 0) {
2555                 bss->ssid.wep.idx = atoi(pos);
2556                 if (bss->ssid.wep.idx > 3) {
2557                         wpa_printf(MSG_ERROR,
2558                                    "Invalid wep_default_key index %d",
2559                                    bss->ssid.wep.idx);
2560                         return 1;
2561                 }
2562         } else if (os_strcmp(buf, "wep_key0") == 0 ||
2563                    os_strcmp(buf, "wep_key1") == 0 ||
2564                    os_strcmp(buf, "wep_key2") == 0 ||
2565                    os_strcmp(buf, "wep_key3") == 0) {
2566                 if (hostapd_config_read_wep(&bss->ssid.wep,
2567                                             buf[7] - '0', pos)) {
2568                         wpa_printf(MSG_ERROR, "Line %d: invalid WEP key '%s'",
2569                                    line, buf);
2570                         return 1;
2571                 }
2572 #ifndef CONFIG_NO_VLAN
2573         } else if (os_strcmp(buf, "dynamic_vlan") == 0) {
2574                 bss->ssid.dynamic_vlan = atoi(pos);
2575         } else if (os_strcmp(buf, "vlan_file") == 0) {
2576                 if (hostapd_config_read_vlan_file(bss, pos)) {
2577                         wpa_printf(MSG_ERROR, "Line %d: failed to read VLAN file '%s'",
2578                                    line, pos);
2579                         return 1;
2580                 }
2581         } else if (os_strcmp(buf, "vlan_naming") == 0) {
2582                 bss->ssid.vlan_naming = atoi(pos);
2583                 if (bss->ssid.vlan_naming >= DYNAMIC_VLAN_NAMING_END ||
2584                     bss->ssid.vlan_naming < 0) {
2585                         wpa_printf(MSG_ERROR,
2586                                    "Line %d: invalid naming scheme %d",
2587                                    line, bss->ssid.vlan_naming);
2588                         return 1;
2589                 }
2590 #ifdef CONFIG_FULL_DYNAMIC_VLAN
2591         } else if (os_strcmp(buf, "vlan_tagged_interface") == 0) {
2592                 os_free(bss->ssid.vlan_tagged_interface);
2593                 bss->ssid.vlan_tagged_interface = os_strdup(pos);
2594 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
2595 #endif /* CONFIG_NO_VLAN */
2596         } else if (os_strcmp(buf, "ap_table_max_size") == 0) {
2597                 conf->ap_table_max_size = atoi(pos);
2598         } else if (os_strcmp(buf, "ap_table_expiration_time") == 0) {
2599                 conf->ap_table_expiration_time = atoi(pos);
2600         } else if (os_strncmp(buf, "tx_queue_", 9) == 0) {
2601                 if (hostapd_config_tx_queue(conf, buf, pos)) {
2602                         wpa_printf(MSG_ERROR, "Line %d: invalid TX queue item",
2603                                    line);
2604                         return 1;
2605                 }
2606         } else if (os_strcmp(buf, "wme_enabled") == 0 ||
2607                    os_strcmp(buf, "wmm_enabled") == 0) {
2608                 bss->wmm_enabled = atoi(pos);
2609         } else if (os_strcmp(buf, "uapsd_advertisement_enabled") == 0) {
2610                 bss->wmm_uapsd = atoi(pos);
2611         } else if (os_strncmp(buf, "wme_ac_", 7) == 0 ||
2612                    os_strncmp(buf, "wmm_ac_", 7) == 0) {
2613                 if (hostapd_config_wmm_ac(conf->wmm_ac_params, buf, pos)) {
2614                         wpa_printf(MSG_ERROR, "Line %d: invalid WMM ac item",
2615                                    line);
2616                         return 1;
2617                 }
2618         } else if (os_strcmp(buf, "bss") == 0) {
2619                 if (hostapd_config_bss(conf, pos)) {
2620                         wpa_printf(MSG_ERROR, "Line %d: invalid bss item",
2621                                    line);
2622                         return 1;
2623                 }
2624         } else if (os_strcmp(buf, "bssid") == 0) {
2625                 if (hwaddr_aton(pos, bss->bssid)) {
2626                         wpa_printf(MSG_ERROR, "Line %d: invalid bssid item",
2627                                    line);
2628                         return 1;
2629                 }
2630 #ifdef CONFIG_IEEE80211W
2631         } else if (os_strcmp(buf, "ieee80211w") == 0) {
2632                 bss->ieee80211w = atoi(pos);
2633         } else if (os_strcmp(buf, "group_mgmt_cipher") == 0) {
2634                 if (os_strcmp(pos, "AES-128-CMAC") == 0) {
2635                         bss->group_mgmt_cipher = WPA_CIPHER_AES_128_CMAC;
2636                 } else if (os_strcmp(pos, "BIP-GMAC-128") == 0) {
2637                         bss->group_mgmt_cipher = WPA_CIPHER_BIP_GMAC_128;
2638                 } else if (os_strcmp(pos, "BIP-GMAC-256") == 0) {
2639                         bss->group_mgmt_cipher = WPA_CIPHER_BIP_GMAC_256;
2640                 } else if (os_strcmp(pos, "BIP-CMAC-256") == 0) {
2641                         bss->group_mgmt_cipher = WPA_CIPHER_BIP_CMAC_256;
2642                 } else {
2643                         wpa_printf(MSG_ERROR, "Line %d: invalid group_mgmt_cipher: %s",
2644                                    line, pos);
2645                         return 1;
2646                 }
2647         } else if (os_strcmp(buf, "assoc_sa_query_max_timeout") == 0) {
2648                 bss->assoc_sa_query_max_timeout = atoi(pos);
2649                 if (bss->assoc_sa_query_max_timeout == 0) {
2650                         wpa_printf(MSG_ERROR, "Line %d: invalid assoc_sa_query_max_timeout",
2651                                    line);
2652                         return 1;
2653                 }
2654         } else if (os_strcmp(buf, "assoc_sa_query_retry_timeout") == 0) {
2655                 bss->assoc_sa_query_retry_timeout = atoi(pos);
2656                 if (bss->assoc_sa_query_retry_timeout == 0) {
2657                         wpa_printf(MSG_ERROR, "Line %d: invalid assoc_sa_query_retry_timeout",
2658                                    line);
2659                         return 1;
2660                 }
2661 #endif /* CONFIG_IEEE80211W */
2662 #ifdef CONFIG_IEEE80211N
2663         } else if (os_strcmp(buf, "ieee80211n") == 0) {
2664                 conf->ieee80211n = atoi(pos);
2665         } else if (os_strcmp(buf, "ht_capab") == 0) {
2666                 if (hostapd_config_ht_capab(conf, pos) < 0) {
2667                         wpa_printf(MSG_ERROR, "Line %d: invalid ht_capab",
2668                                    line);
2669                         return 1;
2670                 }
2671         } else if (os_strcmp(buf, "require_ht") == 0) {
2672                 conf->require_ht = atoi(pos);
2673         } else if (os_strcmp(buf, "obss_interval") == 0) {
2674                 conf->obss_interval = atoi(pos);
2675 #endif /* CONFIG_IEEE80211N */
2676 #ifdef CONFIG_IEEE80211AC
2677         } else if (os_strcmp(buf, "ieee80211ac") == 0) {
2678                 conf->ieee80211ac = atoi(pos);
2679         } else if (os_strcmp(buf, "vht_capab") == 0) {
2680                 if (hostapd_config_vht_capab(conf, pos) < 0) {
2681                         wpa_printf(MSG_ERROR, "Line %d: invalid vht_capab",
2682                                    line);
2683                         return 1;
2684                 }
2685         } else if (os_strcmp(buf, "require_vht") == 0) {
2686                 conf->require_vht = atoi(pos);
2687         } else if (os_strcmp(buf, "vht_oper_chwidth") == 0) {
2688                 conf->vht_oper_chwidth = atoi(pos);
2689         } else if (os_strcmp(buf, "vht_oper_centr_freq_seg0_idx") == 0) {
2690                 conf->vht_oper_centr_freq_seg0_idx = atoi(pos);
2691         } else if (os_strcmp(buf, "vht_oper_centr_freq_seg1_idx") == 0) {
2692                 conf->vht_oper_centr_freq_seg1_idx = atoi(pos);
2693         } else if (os_strcmp(buf, "vendor_vht") == 0) {
2694                 bss->vendor_vht = atoi(pos);
2695 #endif /* CONFIG_IEEE80211AC */
2696         } else if (os_strcmp(buf, "max_listen_interval") == 0) {
2697                 bss->max_listen_interval = atoi(pos);
2698         } else if (os_strcmp(buf, "disable_pmksa_caching") == 0) {
2699                 bss->disable_pmksa_caching = atoi(pos);
2700         } else if (os_strcmp(buf, "okc") == 0) {
2701                 bss->okc = atoi(pos);
2702 #ifdef CONFIG_WPS
2703         } else if (os_strcmp(buf, "wps_state") == 0) {
2704                 bss->wps_state = atoi(pos);
2705                 if (bss->wps_state < 0 || bss->wps_state > 2) {
2706                         wpa_printf(MSG_ERROR, "Line %d: invalid wps_state",
2707                                    line);
2708                         return 1;
2709                 }
2710         } else if (os_strcmp(buf, "wps_independent") == 0) {
2711                 bss->wps_independent = atoi(pos);
2712         } else if (os_strcmp(buf, "ap_setup_locked") == 0) {
2713                 bss->ap_setup_locked = atoi(pos);
2714         } else if (os_strcmp(buf, "uuid") == 0) {
2715                 if (uuid_str2bin(pos, bss->uuid)) {
2716                         wpa_printf(MSG_ERROR, "Line %d: invalid UUID", line);
2717                         return 1;
2718                 }
2719         } else if (os_strcmp(buf, "wps_pin_requests") == 0) {
2720                 os_free(bss->wps_pin_requests);
2721                 bss->wps_pin_requests = os_strdup(pos);
2722         } else if (os_strcmp(buf, "device_name") == 0) {
2723                 if (os_strlen(pos) > 32) {
2724                         wpa_printf(MSG_ERROR, "Line %d: Too long "
2725                                    "device_name", line);
2726                         return 1;
2727                 }
2728                 os_free(bss->device_name);
2729                 bss->device_name = os_strdup(pos);
2730         } else if (os_strcmp(buf, "manufacturer") == 0) {
2731                 if (os_strlen(pos) > 64) {
2732                         wpa_printf(MSG_ERROR, "Line %d: Too long manufacturer",
2733                                    line);
2734                         return 1;
2735                 }
2736                 os_free(bss->manufacturer);
2737                 bss->manufacturer = os_strdup(pos);
2738         } else if (os_strcmp(buf, "model_name") == 0) {
2739                 if (os_strlen(pos) > 32) {
2740                         wpa_printf(MSG_ERROR, "Line %d: Too long model_name",
2741                                    line);
2742                         return 1;
2743                 }
2744                 os_free(bss->model_name);
2745                 bss->model_name = os_strdup(pos);
2746         } else if (os_strcmp(buf, "model_number") == 0) {
2747                 if (os_strlen(pos) > 32) {
2748                         wpa_printf(MSG_ERROR, "Line %d: Too long model_number",
2749                                    line);
2750                         return 1;
2751                 }
2752                 os_free(bss->model_number);
2753                 bss->model_number = os_strdup(pos);
2754         } else if (os_strcmp(buf, "serial_number") == 0) {
2755                 if (os_strlen(pos) > 32) {
2756                         wpa_printf(MSG_ERROR, "Line %d: Too long serial_number",
2757                                    line);
2758                         return 1;
2759                 }
2760                 os_free(bss->serial_number);
2761                 bss->serial_number = os_strdup(pos);
2762         } else if (os_strcmp(buf, "device_type") == 0) {
2763                 if (wps_dev_type_str2bin(pos, bss->device_type))
2764                         return 1;
2765         } else if (os_strcmp(buf, "config_methods") == 0) {
2766                 os_free(bss->config_methods);
2767                 bss->config_methods = os_strdup(pos);
2768         } else if (os_strcmp(buf, "os_version") == 0) {
2769                 if (hexstr2bin(pos, bss->os_version, 4)) {
2770                         wpa_printf(MSG_ERROR, "Line %d: invalid os_version",
2771                                    line);
2772                         return 1;
2773                 }
2774         } else if (os_strcmp(buf, "ap_pin") == 0) {
2775                 os_free(bss->ap_pin);
2776                 bss->ap_pin = os_strdup(pos);
2777         } else if (os_strcmp(buf, "skip_cred_build") == 0) {
2778                 bss->skip_cred_build = atoi(pos);
2779         } else if (os_strcmp(buf, "extra_cred") == 0) {
2780                 os_free(bss->extra_cred);
2781                 bss->extra_cred = (u8 *) os_readfile(pos, &bss->extra_cred_len);
2782                 if (bss->extra_cred == NULL) {
2783                         wpa_printf(MSG_ERROR, "Line %d: could not read Credentials from '%s'",
2784                                    line, pos);
2785                         return 1;
2786                 }
2787         } else if (os_strcmp(buf, "wps_cred_processing") == 0) {
2788                 bss->wps_cred_processing = atoi(pos);
2789         } else if (os_strcmp(buf, "ap_settings") == 0) {
2790                 os_free(bss->ap_settings);
2791                 bss->ap_settings =
2792                         (u8 *) os_readfile(pos, &bss->ap_settings_len);
2793                 if (bss->ap_settings == NULL) {
2794                         wpa_printf(MSG_ERROR, "Line %d: could not read AP Settings from '%s'",
2795                                    line, pos);
2796                         return 1;
2797                 }
2798         } else if (os_strcmp(buf, "upnp_iface") == 0) {
2799                 os_free(bss->upnp_iface);
2800                 bss->upnp_iface = os_strdup(pos);
2801         } else if (os_strcmp(buf, "friendly_name") == 0) {
2802                 os_free(bss->friendly_name);
2803                 bss->friendly_name = os_strdup(pos);
2804         } else if (os_strcmp(buf, "manufacturer_url") == 0) {
2805                 os_free(bss->manufacturer_url);
2806                 bss->manufacturer_url = os_strdup(pos);
2807         } else if (os_strcmp(buf, "model_description") == 0) {
2808                 os_free(bss->model_description);
2809                 bss->model_description = os_strdup(pos);
2810         } else if (os_strcmp(buf, "model_url") == 0) {
2811                 os_free(bss->model_url);
2812                 bss->model_url = os_strdup(pos);
2813         } else if (os_strcmp(buf, "upc") == 0) {
2814                 os_free(bss->upc);
2815                 bss->upc = os_strdup(pos);
2816         } else if (os_strcmp(buf, "pbc_in_m1") == 0) {
2817                 bss->pbc_in_m1 = atoi(pos);
2818         } else if (os_strcmp(buf, "server_id") == 0) {
2819                 os_free(bss->server_id);
2820                 bss->server_id = os_strdup(pos);
2821 #ifdef CONFIG_WPS_NFC
2822         } else if (os_strcmp(buf, "wps_nfc_dev_pw_id") == 0) {
2823                 bss->wps_nfc_dev_pw_id = atoi(pos);
2824                 if (bss->wps_nfc_dev_pw_id < 0x10 ||
2825                     bss->wps_nfc_dev_pw_id > 0xffff) {
2826                         wpa_printf(MSG_ERROR, "Line %d: Invalid wps_nfc_dev_pw_id value",
2827                                    line);
2828                         return 1;
2829                 }
2830                 bss->wps_nfc_pw_from_config = 1;
2831         } else if (os_strcmp(buf, "wps_nfc_dh_pubkey") == 0) {
2832                 wpabuf_free(bss->wps_nfc_dh_pubkey);
2833                 bss->wps_nfc_dh_pubkey = hostapd_parse_bin(pos);
2834                 bss->wps_nfc_pw_from_config = 1;
2835         } else if (os_strcmp(buf, "wps_nfc_dh_privkey") == 0) {
2836                 wpabuf_free(bss->wps_nfc_dh_privkey);
2837                 bss->wps_nfc_dh_privkey = hostapd_parse_bin(pos);
2838                 bss->wps_nfc_pw_from_config = 1;
2839         } else if (os_strcmp(buf, "wps_nfc_dev_pw") == 0) {
2840                 wpabuf_free(bss->wps_nfc_dev_pw);
2841                 bss->wps_nfc_dev_pw = hostapd_parse_bin(pos);
2842                 bss->wps_nfc_pw_from_config = 1;
2843 #endif /* CONFIG_WPS_NFC */
2844 #endif /* CONFIG_WPS */
2845 #ifdef CONFIG_P2P_MANAGER
2846         } else if (os_strcmp(buf, "manage_p2p") == 0) {
2847                 if (atoi(pos))
2848                         bss->p2p |= P2P_MANAGE;
2849                 else
2850                         bss->p2p &= ~P2P_MANAGE;
2851         } else if (os_strcmp(buf, "allow_cross_connection") == 0) {
2852                 if (atoi(pos))
2853                         bss->p2p |= P2P_ALLOW_CROSS_CONNECTION;
2854                 else
2855                         bss->p2p &= ~P2P_ALLOW_CROSS_CONNECTION;
2856 #endif /* CONFIG_P2P_MANAGER */
2857         } else if (os_strcmp(buf, "disassoc_low_ack") == 0) {
2858                 bss->disassoc_low_ack = atoi(pos);
2859         } else if (os_strcmp(buf, "tdls_prohibit") == 0) {
2860                 if (atoi(pos))
2861                         bss->tdls |= TDLS_PROHIBIT;
2862                 else
2863                         bss->tdls &= ~TDLS_PROHIBIT;
2864         } else if (os_strcmp(buf, "tdls_prohibit_chan_switch") == 0) {
2865                 if (atoi(pos))
2866                         bss->tdls |= TDLS_PROHIBIT_CHAN_SWITCH;
2867                 else
2868                         bss->tdls &= ~TDLS_PROHIBIT_CHAN_SWITCH;
2869 #ifdef CONFIG_RSN_TESTING
2870         } else if (os_strcmp(buf, "rsn_testing") == 0) {
2871                 extern int rsn_testing;
2872                 rsn_testing = atoi(pos);
2873 #endif /* CONFIG_RSN_TESTING */
2874         } else if (os_strcmp(buf, "time_advertisement") == 0) {
2875                 bss->time_advertisement = atoi(pos);
2876         } else if (os_strcmp(buf, "time_zone") == 0) {
2877                 size_t tz_len = os_strlen(pos);
2878                 if (tz_len < 4 || tz_len > 255) {
2879                         wpa_printf(MSG_DEBUG, "Line %d: invalid time_zone",
2880                                    line);
2881                         return 1;
2882                 }
2883                 os_free(bss->time_zone);
2884                 bss->time_zone = os_strdup(pos);
2885                 if (bss->time_zone == NULL)
2886                         return 1;
2887 #ifdef CONFIG_WNM
2888         } else if (os_strcmp(buf, "wnm_sleep_mode") == 0) {
2889                 bss->wnm_sleep_mode = atoi(pos);
2890         } else if (os_strcmp(buf, "bss_transition") == 0) {
2891                 bss->bss_transition = atoi(pos);
2892 #endif /* CONFIG_WNM */
2893 #ifdef CONFIG_INTERWORKING
2894         } else if (os_strcmp(buf, "interworking") == 0) {
2895                 bss->interworking = atoi(pos);
2896         } else if (os_strcmp(buf, "access_network_type") == 0) {
2897                 bss->access_network_type = atoi(pos);
2898                 if (bss->access_network_type < 0 ||
2899                     bss->access_network_type > 15) {
2900                         wpa_printf(MSG_ERROR,
2901                                    "Line %d: invalid access_network_type",
2902                                    line);
2903                         return 1;
2904                 }
2905         } else if (os_strcmp(buf, "internet") == 0) {
2906                 bss->internet = atoi(pos);
2907         } else if (os_strcmp(buf, "asra") == 0) {
2908                 bss->asra = atoi(pos);
2909         } else if (os_strcmp(buf, "esr") == 0) {
2910                 bss->esr = atoi(pos);
2911         } else if (os_strcmp(buf, "uesa") == 0) {
2912                 bss->uesa = atoi(pos);
2913         } else if (os_strcmp(buf, "venue_group") == 0) {
2914                 bss->venue_group = atoi(pos);
2915                 bss->venue_info_set = 1;
2916         } else if (os_strcmp(buf, "venue_type") == 0) {
2917                 bss->venue_type = atoi(pos);
2918                 bss->venue_info_set = 1;
2919         } else if (os_strcmp(buf, "hessid") == 0) {
2920                 if (hwaddr_aton(pos, bss->hessid)) {
2921                         wpa_printf(MSG_ERROR, "Line %d: invalid hessid", line);
2922                         return 1;
2923                 }
2924         } else if (os_strcmp(buf, "roaming_consortium") == 0) {
2925                 if (parse_roaming_consortium(bss, pos, line) < 0)
2926                         return 1;
2927         } else if (os_strcmp(buf, "venue_name") == 0) {
2928                 if (parse_venue_name(bss, pos, line) < 0)
2929                         return 1;
2930         } else if (os_strcmp(buf, "network_auth_type") == 0) {
2931                 u8 auth_type;
2932                 u16 redirect_url_len;
2933                 if (hexstr2bin(pos, &auth_type, 1)) {
2934                         wpa_printf(MSG_ERROR,
2935                                    "Line %d: Invalid network_auth_type '%s'",
2936                                    line, pos);
2937                         return 1;
2938                 }
2939                 if (auth_type == 0 || auth_type == 2)
2940                         redirect_url_len = os_strlen(pos + 2);
2941                 else
2942                         redirect_url_len = 0;
2943                 os_free(bss->network_auth_type);
2944                 bss->network_auth_type = os_malloc(redirect_url_len + 3 + 1);
2945                 if (bss->network_auth_type == NULL)
2946                         return 1;
2947                 *bss->network_auth_type = auth_type;
2948                 WPA_PUT_LE16(bss->network_auth_type + 1, redirect_url_len);
2949                 if (redirect_url_len)
2950                         os_memcpy(bss->network_auth_type + 3, pos + 2,
2951                                   redirect_url_len);
2952                 bss->network_auth_type_len = 3 + redirect_url_len;
2953         } else if (os_strcmp(buf, "ipaddr_type_availability") == 0) {
2954                 if (hexstr2bin(pos, &bss->ipaddr_type_availability, 1)) {
2955                         wpa_printf(MSG_ERROR, "Line %d: Invalid ipaddr_type_availability '%s'",
2956                                    line, pos);
2957                         bss->ipaddr_type_configured = 0;
2958                         return 1;
2959                 }
2960                 bss->ipaddr_type_configured = 1;
2961         } else if (os_strcmp(buf, "domain_name") == 0) {
2962                 int j, num_domains, domain_len, domain_list_len = 0;
2963                 char *tok_start, *tok_prev;
2964                 u8 *domain_list, *domain_ptr;
2965
2966                 domain_list_len = os_strlen(pos) + 1;
2967                 domain_list = os_malloc(domain_list_len);
2968                 if (domain_list == NULL)
2969                         return 1;
2970
2971                 domain_ptr = domain_list;
2972                 tok_prev = pos;
2973                 num_domains = 1;
2974                 while ((tok_prev = os_strchr(tok_prev, ','))) {
2975                         num_domains++;
2976                         tok_prev++;
2977                 }
2978                 tok_prev = pos;
2979                 for (j = 0; j < num_domains; j++) {
2980                         tok_start = os_strchr(tok_prev, ',');
2981                         if (tok_start) {
2982                                 domain_len = tok_start - tok_prev;
2983                                 *domain_ptr = domain_len;
2984                                 os_memcpy(domain_ptr + 1, tok_prev, domain_len);
2985                                 domain_ptr += domain_len + 1;
2986                                 tok_prev = ++tok_start;
2987                         } else {
2988                                 domain_len = os_strlen(tok_prev);
2989                                 *domain_ptr = domain_len;
2990                                 os_memcpy(domain_ptr + 1, tok_prev, domain_len);
2991                                 domain_ptr += domain_len + 1;
2992                         }
2993                 }
2994
2995                 os_free(bss->domain_name);
2996                 bss->domain_name = domain_list;
2997                 bss->domain_name_len = domain_list_len;
2998         } else if (os_strcmp(buf, "anqp_3gpp_cell_net") == 0) {
2999                 if (parse_3gpp_cell_net(bss, pos, line) < 0)
3000                         return 1;
3001         } else if (os_strcmp(buf, "nai_realm") == 0) {
3002                 if (parse_nai_realm(bss, pos, line) < 0)
3003                         return 1;
3004         } else if (os_strcmp(buf, "gas_frag_limit") == 0) {
3005                 bss->gas_frag_limit = atoi(pos);
3006         } else if (os_strcmp(buf, "gas_comeback_delay") == 0) {
3007                 bss->gas_comeback_delay = atoi(pos);
3008         } else if (os_strcmp(buf, "qos_map_set") == 0) {
3009                 if (parse_qos_map_set(bss, pos, line) < 0)
3010                         return 1;
3011 #endif /* CONFIG_INTERWORKING */
3012 #ifdef CONFIG_RADIUS_TEST
3013         } else if (os_strcmp(buf, "dump_msk_file") == 0) {
3014                 os_free(bss->dump_msk_file);
3015                 bss->dump_msk_file = os_strdup(pos);
3016 #endif /* CONFIG_RADIUS_TEST */
3017 #ifdef CONFIG_HS20
3018         } else if (os_strcmp(buf, "hs20") == 0) {
3019                 bss->hs20 = atoi(pos);
3020         } else if (os_strcmp(buf, "disable_dgaf") == 0) {
3021                 bss->disable_dgaf = atoi(pos);
3022         } else if (os_strcmp(buf, "proxy_arp") == 0) {
3023                 bss->proxy_arp = atoi(pos);
3024         } else if (os_strcmp(buf, "osen") == 0) {
3025                 bss->osen = atoi(pos);
3026         } else if (os_strcmp(buf, "anqp_domain_id") == 0) {
3027                 bss->anqp_domain_id = atoi(pos);
3028         } else if (os_strcmp(buf, "hs20_deauth_req_timeout") == 0) {
3029                 bss->hs20_deauth_req_timeout = atoi(pos);
3030         } else if (os_strcmp(buf, "hs20_oper_friendly_name") == 0) {
3031                 if (hs20_parse_oper_friendly_name(bss, pos, line) < 0)
3032                         return 1;
3033         } else if (os_strcmp(buf, "hs20_wan_metrics") == 0) {
3034                 if (hs20_parse_wan_metrics(bss, pos, line) < 0)
3035                         return 1;
3036         } else if (os_strcmp(buf, "hs20_conn_capab") == 0) {
3037                 if (hs20_parse_conn_capab(bss, pos, line) < 0) {
3038                         return 1;
3039                 }
3040         } else if (os_strcmp(buf, "hs20_operating_class") == 0) {
3041                 u8 *oper_class;
3042                 size_t oper_class_len;
3043                 oper_class_len = os_strlen(pos);
3044                 if (oper_class_len < 2 || (oper_class_len & 0x01)) {
3045                         wpa_printf(MSG_ERROR,
3046                                    "Line %d: Invalid hs20_operating_class '%s'",
3047                                    line, pos);
3048                         return 1;
3049                 }
3050                 oper_class_len /= 2;
3051                 oper_class = os_malloc(oper_class_len);
3052                 if (oper_class == NULL)
3053                         return 1;
3054                 if (hexstr2bin(pos, oper_class, oper_class_len)) {
3055                         wpa_printf(MSG_ERROR,
3056                                    "Line %d: Invalid hs20_operating_class '%s'",
3057                                    line, pos);
3058                         os_free(oper_class);
3059                         return 1;
3060                 }
3061                 os_free(bss->hs20_operating_class);
3062                 bss->hs20_operating_class = oper_class;
3063                 bss->hs20_operating_class_len = oper_class_len;
3064         } else if (os_strcmp(buf, "hs20_icon") == 0) {
3065                 if (hs20_parse_icon(bss, pos) < 0) {
3066                         wpa_printf(MSG_ERROR, "Line %d: Invalid hs20_icon '%s'",
3067                                    line, pos);
3068                         return 1;
3069                 }
3070         } else if (os_strcmp(buf, "osu_ssid") == 0) {
3071                 if (hs20_parse_osu_ssid(bss, pos, line) < 0)
3072                         return 1;
3073         } else if (os_strcmp(buf, "osu_server_uri") == 0) {
3074                 if (hs20_parse_osu_server_uri(bss, pos, line) < 0)
3075                         return 1;
3076         } else if (os_strcmp(buf, "osu_friendly_name") == 0) {
3077                 if (hs20_parse_osu_friendly_name(bss, pos, line) < 0)
3078                         return 1;
3079         } else if (os_strcmp(buf, "osu_nai") == 0) {
3080                 if (hs20_parse_osu_nai(bss, pos, line) < 0)
3081                         return 1;
3082         } else if (os_strcmp(buf, "osu_method_list") == 0) {
3083                 if (hs20_parse_osu_method_list(bss, pos, line) < 0)
3084                         return 1;
3085         } else if (os_strcmp(buf, "osu_icon") == 0) {
3086                 if (hs20_parse_osu_icon(bss, pos, line) < 0)
3087                         return 1;
3088         } else if (os_strcmp(buf, "osu_service_desc") == 0) {
3089                 if (hs20_parse_osu_service_desc(bss, pos, line) < 0)
3090                         return 1;
3091         } else if (os_strcmp(buf, "subscr_remediation_url") == 0) {
3092                 os_free(bss->subscr_remediation_url);
3093                 bss->subscr_remediation_url = os_strdup(pos);
3094         } else if (os_strcmp(buf, "subscr_remediation_method") == 0) {
3095                 bss->subscr_remediation_method = atoi(pos);
3096 #endif /* CONFIG_HS20 */
3097 #ifdef CONFIG_TESTING_OPTIONS
3098 #define PARSE_TEST_PROBABILITY(_val)                            \
3099         } else if (os_strcmp(buf, #_val) == 0) {                \
3100                 char *end;                                      \
3101                                                                 \
3102                 conf->_val = strtod(pos, &end);                 \
3103                 if (*end || conf->_val < 0.0 ||                 \
3104                     conf->_val > 1.0) {                         \
3105                         wpa_printf(MSG_ERROR,                   \
3106                                    "Line %d: Invalid value '%s'", \
3107                                    line, pos);                  \
3108                         return 1;                               \
3109                 }
3110         PARSE_TEST_PROBABILITY(ignore_probe_probability)
3111         PARSE_TEST_PROBABILITY(ignore_auth_probability)
3112         PARSE_TEST_PROBABILITY(ignore_assoc_probability)
3113         PARSE_TEST_PROBABILITY(ignore_reassoc_probability)
3114         PARSE_TEST_PROBABILITY(corrupt_gtk_rekey_mic_probability)
3115         } else if (os_strcmp(buf, "bss_load_test") == 0) {
3116                 WPA_PUT_LE16(bss->bss_load_test, atoi(pos));
3117                 pos = os_strchr(pos, ':');
3118                 if (pos == NULL) {
3119                         wpa_printf(MSG_ERROR, "Line %d: Invalid bss_load_test",
3120                                    line);
3121                         return 1;
3122                 }
3123                 pos++;
3124                 bss->bss_load_test[2] = atoi(pos);
3125                 pos = os_strchr(pos, ':');
3126                 if (pos == NULL) {
3127                         wpa_printf(MSG_ERROR, "Line %d: Invalid bss_load_test",
3128                                    line);
3129                         return 1;
3130                 }
3131                 pos++;
3132                 WPA_PUT_LE16(&bss->bss_load_test[3], atoi(pos));
3133                 bss->bss_load_test_set = 1;
3134         } else if (os_strcmp(buf, "radio_measurements") == 0) {
3135                 bss->radio_measurements = atoi(pos);
3136 #endif /* CONFIG_TESTING_OPTIONS */
3137         } else if (os_strcmp(buf, "vendor_elements") == 0) {
3138                 struct wpabuf *elems;
3139                 size_t len = os_strlen(pos);
3140                 if (len & 0x01) {
3141                         wpa_printf(MSG_ERROR,
3142                                    "Line %d: Invalid vendor_elements '%s'",
3143                                    line, pos);
3144                         return 1;
3145                 }
3146                 len /= 2;
3147                 if (len == 0) {
3148                         wpabuf_free(bss->vendor_elements);
3149                         bss->vendor_elements = NULL;
3150                         return 0;
3151                 }
3152
3153                 elems = wpabuf_alloc(len);
3154                 if (elems == NULL)
3155                         return 1;
3156
3157                 if (hexstr2bin(pos, wpabuf_put(elems, len), len)) {
3158                         wpabuf_free(elems);
3159                         wpa_printf(MSG_ERROR,
3160                                    "Line %d: Invalid vendor_elements '%s'",
3161                                    line, pos);
3162                         return 1;
3163                 }
3164
3165                 wpabuf_free(bss->vendor_elements);
3166                 bss->vendor_elements = elems;
3167         } else if (os_strcmp(buf, "sae_anti_clogging_threshold") == 0) {
3168                 bss->sae_anti_clogging_threshold = atoi(pos);
3169         } else if (os_strcmp(buf, "sae_groups") == 0) {
3170                 if (hostapd_parse_intlist(&bss->sae_groups, pos)) {
3171                         wpa_printf(MSG_ERROR,
3172                                    "Line %d: Invalid sae_groups value '%s'",
3173                                    line, pos);
3174                         return 1;
3175                 }
3176         } else if (os_strcmp(buf, "local_pwr_constraint") == 0) {
3177                 int val = atoi(pos);
3178                 if (val < 0 || val > 255) {
3179                         wpa_printf(MSG_ERROR, "Line %d: Invalid local_pwr_constraint %d (expected 0..255)",
3180                                    line, val);
3181                         return 1;
3182                 }
3183                 conf->local_pwr_constraint = val;
3184         } else if (os_strcmp(buf, "spectrum_mgmt_required") == 0) {
3185                 conf->spectrum_mgmt_required = atoi(pos);
3186         } else if (os_strcmp(buf, "wowlan_triggers") == 0) {
3187                 os_free(bss->wowlan_triggers);
3188                 bss->wowlan_triggers = os_strdup(pos);
3189         } else {
3190                 wpa_printf(MSG_ERROR,
3191                            "Line %d: unknown configuration item '%s'",
3192                            line, buf);
3193                 return 1;
3194         }
3195
3196         return 0;
3197 }
3198
3199
3200 /**
3201  * hostapd_config_read - Read and parse a configuration file
3202  * @fname: Configuration file name (including path, if needed)
3203  * Returns: Allocated configuration data structure
3204  */
3205 struct hostapd_config * hostapd_config_read(const char *fname)
3206 {
3207         struct hostapd_config *conf;
3208         FILE *f;
3209         char buf[512], *pos;
3210         int line = 0;
3211         int errors = 0;
3212         size_t i;
3213
3214         f = fopen(fname, "r");
3215         if (f == NULL) {
3216                 wpa_printf(MSG_ERROR, "Could not open configuration file '%s' "
3217                            "for reading.", fname);
3218                 return NULL;
3219         }
3220
3221         conf = hostapd_config_defaults();
3222         if (conf == NULL) {
3223                 fclose(f);
3224                 return NULL;
3225         }
3226
3227         /* set default driver based on configuration */
3228         conf->driver = wpa_drivers[0];
3229         if (conf->driver == NULL) {
3230                 wpa_printf(MSG_ERROR, "No driver wrappers registered!");
3231                 hostapd_config_free(conf);
3232                 fclose(f);
3233                 return NULL;
3234         }
3235
3236         conf->last_bss = conf->bss[0];
3237
3238         while (fgets(buf, sizeof(buf), f)) {
3239                 struct hostapd_bss_config *bss;
3240
3241                 bss = conf->last_bss;
3242                 line++;
3243
3244                 if (buf[0] == '#')
3245                         continue;
3246                 pos = buf;
3247                 while (*pos != '\0') {
3248                         if (*pos == '\n') {
3249                                 *pos = '\0';
3250                                 break;
3251                         }
3252                         pos++;
3253                 }
3254                 if (buf[0] == '\0')
3255                         continue;
3256
3257                 pos = os_strchr(buf, '=');
3258                 if (pos == NULL) {
3259                         wpa_printf(MSG_ERROR, "Line %d: invalid line '%s'",
3260                                    line, buf);
3261                         errors++;
3262                         continue;
3263                 }
3264                 *pos = '\0';
3265                 pos++;
3266                 errors += hostapd_config_fill(conf, bss, buf, pos, line);
3267         }
3268
3269         fclose(f);
3270
3271         for (i = 0; i < conf->num_bss; i++)
3272                 hostapd_set_security_params(conf->bss[i], 1);
3273
3274         if (hostapd_config_check(conf, 1))
3275                 errors++;
3276
3277 #ifndef WPA_IGNORE_CONFIG_ERRORS
3278         if (errors) {
3279                 wpa_printf(MSG_ERROR, "%d errors found in configuration file "
3280                            "'%s'", errors, fname);
3281                 hostapd_config_free(conf);
3282                 conf = NULL;
3283         }
3284 #endif /* WPA_IGNORE_CONFIG_ERRORS */
3285
3286         return conf;
3287 }
3288
3289
3290 int hostapd_set_iface(struct hostapd_config *conf,
3291                       struct hostapd_bss_config *bss, char *field, char *value)
3292 {
3293         int errors;
3294         size_t i;
3295
3296         errors = hostapd_config_fill(conf, bss, field, value, 0);
3297         if (errors) {
3298                 wpa_printf(MSG_INFO, "Failed to set configuration field '%s' "
3299                            "to value '%s'", field, value);
3300                 return -1;
3301         }
3302
3303         for (i = 0; i < conf->num_bss; i++)
3304                 hostapd_set_security_params(conf->bss[i], 0);
3305
3306         if (hostapd_config_check(conf, 0)) {
3307                 wpa_printf(MSG_ERROR, "Configuration check failed");
3308                 return -1;
3309         }
3310
3311         return 0;
3312 }