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_VLAN
  26 static int hostapd_config_read_vlan_file(struct hostapd_bss_config *bss,
  27                                          const char *fname)
  28 {
  29         FILE *f;
  30         char buf[128], *pos, *pos2;
  31         int line = 0, vlan_id;
  32         struct hostapd_vlan *vlan;
  33
  34         f = fopen(fname, "r");
  35         if (!f) {
  36                 wpa_printf(MSG_ERROR, "VLAN file '%s' not readable.", fname);
  37                 return -1;
  38         }
  39
  40         while (fgets(buf, sizeof(buf), f)) {
  41                 line++;
  42
  43                 if (buf[0] == '#')
  44                         continue;
  45                 pos = buf;
  46                 while (*pos != '\0') {
  47                         if (*pos == '\n') {
  48                                 *pos = '\0';
  49                                 break;
  50                         }
  51                         pos++;
  52                 }
  53                 if (buf[0] == '\0')
  54                         continue;
  55
  56                 if (buf[0] == '*') {
  57                         vlan_id = VLAN_ID_WILDCARD;
  58                         pos = buf + 1;
  59                 } else {
  60                         vlan_id = strtol(buf, &pos, 10);
  61                         if (buf == pos || vlan_id < 1 ||
  62                             vlan_id > MAX_VLAN_ID) {
  63                                 wpa_printf(MSG_ERROR, "Invalid VLAN ID at "
  64                                            "line %d in '%s'", line, fname);
  65                                 fclose(f);
  66                                 return -1;
  67                         }
  68                 }
  69
  70                 while (*pos == ' ' || *pos == '\t')
  71                         pos++;
  72                 pos2 = pos;
  73                 while (*pos2 != ' ' && *pos2 != '\t' && *pos2 != '\0')
  74                         pos2++;
  75                 *pos2 = '\0';
  76                 if (*pos == '\0' || os_strlen(pos) > IFNAMSIZ) {
  77                         wpa_printf(MSG_ERROR, "Invalid VLAN ifname at line %d "
  78                                    "in '%s'", line, fname);
  79                         fclose(f);
  80                         return -1;
  81                 }
  82
  83                 vlan = os_zalloc(sizeof(*vlan));
  84                 if (vlan == NULL) {
  85                         wpa_printf(MSG_ERROR, "Out of memory while reading "
  86                                    "VLAN interfaces from '%s'", fname);
  87                         fclose(f);
  88                         return -1;
  89                 }
  90
  91                 vlan->vlan_id = vlan_id;
  92                 os_strlcpy(vlan->ifname, pos, sizeof(vlan->ifname));
  93                 vlan->next = bss->vlan;
  94                 bss->vlan = vlan;
  95         }
  96
  97         fclose(f);
  98
  99         return 0;
 100 }
 101 #endif /* CONFIG_NO_VLAN */
 102
 103
 104 static int hostapd_acl_comp(const void *a, const void *b)
 105 {
 106         const struct mac_acl_entry *aa = a;
 107         const struct mac_acl_entry *bb = b;
 108         return os_memcmp(aa->addr, bb->addr, sizeof(macaddr));
 109 }
 110
 111
 112 static int hostapd_config_read_maclist(const char *fname,
 113                                        struct mac_acl_entry **acl, int *num)
 114 {
 115         FILE *f;
 116         char buf[128], *pos;
 117         int line = 0;
 118         u8 addr[ETH_ALEN];
 119         struct mac_acl_entry *newacl;
 120         int vlan_id;
 121
 122         if (!fname)
 123                 return 0;
 124
 125         f = fopen(fname, "r");
 126         if (!f) {
 127                 wpa_printf(MSG_ERROR, "MAC list file '%s' not found.", fname);
 128                 return -1;
 129         }
 130
 131         while (fgets(buf, sizeof(buf), f)) {
 132                 int i, rem = 0;
 133
 134                 line++;
 135
 136                 if (buf[0] == '#')
 137                         continue;
 138                 pos = buf;
 139                 while (*pos != '\0') {
 140                         if (*pos == '\n') {
 141                                 *pos = '\0';
 142                                 break;
 143                         }
 144                         pos++;
 145                 }
 146                 if (buf[0] == '\0')
 147                         continue;
 148                 pos = buf;
 149                 if (buf[0] == '-') {
 150                         rem = 1;
 151                         pos++;
 152                 }
 153
 154                 if (hwaddr_aton(pos, addr)) {
 155                         wpa_printf(MSG_ERROR, "Invalid MAC address '%s' at "
 156                                    "line %d in '%s'", pos, line, fname);
 157                         fclose(f);
 158                         return -1;
 159                 }
 160
 161                 if (rem) {
 162                         i = 0;
 163                         while (i < *num) {
 164                                 if (os_memcmp((*acl)[i].addr, addr, ETH_ALEN) ==
 165                                     0) {
 166                                         os_remove_in_array(*acl, *num,
 167                                                            sizeof(**acl), i);
 168                                         (*num)--;
 169                                 } else
 170                                         i++;
 171                         }
 172                         continue;
 173                 }
 174                 vlan_id = 0;
 175                 pos = buf;
 176                 while (*pos != '\0' && *pos != ' ' && *pos != '\t')
 177                         pos++;
 178                 while (*pos == ' ' || *pos == '\t')
 179                         pos++;
 180                 if (*pos != '\0')
 181                         vlan_id = atoi(pos);
 182
 183                 newacl = os_realloc_array(*acl, *num + 1, sizeof(**acl));
 184                 if (newacl == NULL) {
 185                         wpa_printf(MSG_ERROR, "MAC list reallocation failed");
 186                         fclose(f);
 187                         return -1;
 188                 }
 189
 190                 *acl = newacl;
 191                 os_memcpy((*acl)[*num].addr, addr, ETH_ALEN);
 192                 (*acl)[*num].vlan_id = vlan_id;
 193                 (*num)++;
 194         }
 195
 196         fclose(f);
 197
 198         qsort(*acl, *num, sizeof(**acl), hostapd_acl_comp);
 199
 200         return 0;
 201 }
 202
 203
 204 #ifdef EAP_SERVER
 205 static int hostapd_config_read_eap_user(const char *fname,
 206                                         struct hostapd_bss_config *conf)
 207 {
 208         FILE *f;
 209         char buf[512], *pos, *start, *pos2;
 210         int line = 0, ret = 0, num_methods;
 211         struct hostapd_eap_user *user, *tail = NULL;
 212
 213         if (!fname)
 214                 return 0;
 215
 216         if (os_strncmp(fname, "sqlite:", 7) == 0) {
 217                 os_free(conf->eap_user_sqlite);
 218                 conf->eap_user_sqlite = os_strdup(fname + 7);
 219                 return 0;
 220         }
 221
 222         f = fopen(fname, "r");
 223         if (!f) {
 224                 wpa_printf(MSG_ERROR, "EAP user file '%s' not found.", fname);
 225                 return -1;
 226         }
 227
 228         /* Lines: "user" METHOD,METHOD2 "password" (password optional) */
 229         while (fgets(buf, sizeof(buf), f)) {
 230                 line++;
 231
 232                 if (buf[0] == '#')
 233                         continue;
 234                 pos = buf;
 235                 while (*pos != '\0') {
 236                         if (*pos == '\n') {
 237                                 *pos = '\0';
 238                                 break;
 239                         }
 240                         pos++;
 241                 }
 242                 if (buf[0] == '\0')
 243                         continue;
 244
 245                 user = NULL;
 246
 247                 if (buf[0] != '"' && buf[0] != '*') {
 248                         wpa_printf(MSG_ERROR, "Invalid EAP identity (no \" in "
 249                                    "start) on line %d in '%s'", line, fname);
 250                         goto failed;
 251                 }
 252
 253                 user = os_zalloc(sizeof(*user));
 254                 if (user == NULL) {
 255                         wpa_printf(MSG_ERROR, "EAP user allocation failed");
 256                         goto failed;
 257                 }
 258                 user->force_version = -1;
 259
 260                 if (buf[0] == '*') {
 261                         pos = buf;
 262                 } else {
 263                         pos = buf + 1;
 264                         start = pos;
 265                         while (*pos != '"' && *pos != '\0')
 266                                 pos++;
 267                         if (*pos == '\0') {
 268                                 wpa_printf(MSG_ERROR, "Invalid EAP identity "
 269                                            "(no \" in end) on line %d in '%s'",
 270                                            line, fname);
 271                                 goto failed;
 272                         }
 273
 274                         user->identity = os_malloc(pos - start);
 275                         if (user->identity == NULL) {
 276                                 wpa_printf(MSG_ERROR, "Failed to allocate "
 277                                            "memory for EAP identity");
 278                                 goto failed;
 279                         }
 280                         os_memcpy(user->identity, start, pos - start);
 281                         user->identity_len = pos - start;
 282
 283                         if (pos[0] == '"' && pos[1] == '*') {
 284                                 user->wildcard_prefix = 1;
 285                                 pos++;
 286                         }
 287                 }
 288                 pos++;
 289                 while (*pos == ' ' || *pos == '\t')
 290                         pos++;
 291
 292                 if (*pos == '\0') {
 293                         wpa_printf(MSG_ERROR, "No EAP method on line %d in "
 294                                    "'%s'", line, fname);
 295                         goto failed;
 296                 }
 297
 298                 start = pos;
 299                 while (*pos != ' ' && *pos != '\t' && *pos != '\0')
 300                         pos++;
 301                 if (*pos == '\0') {
 302                         pos = NULL;
 303                 } else {
 304                         *pos = '\0';
 305                         pos++;
 306                 }
 307                 num_methods = 0;
 308                 while (*start) {
 309                         char *pos3 = os_strchr(start, ',');
 310                         if (pos3) {
 311                                 *pos3++ = '\0';
 312                         }
 313                         user->methods[num_methods].method =
 314                                 eap_server_get_type(
 315                                         start,
 316                                         &user->methods[num_methods].vendor);
 317                         if (user->methods[num_methods].vendor ==
 318                             EAP_VENDOR_IETF &&
 319                             user->methods[num_methods].method == EAP_TYPE_NONE)
 320                         {
 321                                 if (os_strcmp(start, "TTLS-PAP") == 0) {
 322                                         user->ttls_auth |= EAP_TTLS_AUTH_PAP;
 323                                         goto skip_eap;
 324                                 }
 325                                 if (os_strcmp(start, "TTLS-CHAP") == 0) {
 326                                         user->ttls_auth |= EAP_TTLS_AUTH_CHAP;
 327                                         goto skip_eap;
 328                                 }
 329                                 if (os_strcmp(start, "TTLS-MSCHAP") == 0) {
 330                                         user->ttls_auth |=
 331                                                 EAP_TTLS_AUTH_MSCHAP;
 332                                         goto skip_eap;
 333                                 }
 334                                 if (os_strcmp(start, "TTLS-MSCHAPV2") == 0) {
 335                                         user->ttls_auth |=
 336                                                 EAP_TTLS_AUTH_MSCHAPV2;
 337                                         goto skip_eap;
 338                                 }
 339                                 wpa_printf(MSG_ERROR, "Unsupported EAP type "
 340                                            "'%s' on line %d in '%s'",
 341                                            start, line, fname);
 342                                 goto failed;
 343                         }
 344
 345                         num_methods++;
 346                         if (num_methods >= EAP_MAX_METHODS)
 347                                 break;
 348                 skip_eap:
 349                         if (pos3 == NULL)
 350                                 break;
 351                         start = pos3;
 352                 }
 353                 if (num_methods == 0 && user->ttls_auth == 0) {
 354                         wpa_printf(MSG_ERROR, "No EAP types configured on "
 355                                    "line %d in '%s'", line, fname);
 356                         goto failed;
 357                 }
 358
 359                 if (pos == NULL)
 360                         goto done;
 361
 362                 while (*pos == ' ' || *pos == '\t')
 363                         pos++;
 364                 if (*pos == '\0')
 365                         goto done;
 366
 367                 if (os_strncmp(pos, "[ver=0]", 7) == 0) {
 368                         user->force_version = 0;
 369                         goto done;
 370                 }
 371
 372                 if (os_strncmp(pos, "[ver=1]", 7) == 0) {
 373                         user->force_version = 1;
 374                         goto done;
 375                 }
 376
 377                 if (os_strncmp(pos, "[2]", 3) == 0) {
 378                         user->phase2 = 1;
 379                         goto done;
 380                 }
 381
 382                 if (*pos == '"') {
 383                         pos++;
 384                         start = pos;
 385                         while (*pos != '"' && *pos != '\0')
 386                                 pos++;
 387                         if (*pos == '\0') {
 388                                 wpa_printf(MSG_ERROR, "Invalid EAP password "
 389                                            "(no \" in end) on line %d in '%s'",
 390                                            line, fname);
 391                                 goto failed;
 392                         }
 393
 394                         user->password = os_malloc(pos - start);
 395                         if (user->password == NULL) {
 396                                 wpa_printf(MSG_ERROR, "Failed to allocate "
 397                                            "memory for EAP password");
 398                                 goto failed;
 399                         }
 400                         os_memcpy(user->password, start, pos - start);
 401                         user->password_len = pos - start;
 402
 403                         pos++;
 404                 } else if (os_strncmp(pos, "hash:", 5) == 0) {
 405                         pos += 5;
 406                         pos2 = pos;
 407                         while (*pos2 != '\0' && *pos2 != ' ' &&
 408                                *pos2 != '\t' && *pos2 != '#')
 409                                 pos2++;
 410                         if (pos2 - pos != 32) {
 411                                 wpa_printf(MSG_ERROR, "Invalid password hash "
 412                                            "on line %d in '%s'", line, fname);
 413                                 goto failed;
 414                         }
 415                         user->password = os_malloc(16);
 416                         if (user->password == NULL) {
 417                                 wpa_printf(MSG_ERROR, "Failed to allocate "
 418                                            "memory for EAP password hash");
 419                                 goto failed;
 420                         }
 421                         if (hexstr2bin(pos, user->password, 16) < 0) {
 422                                 wpa_printf(MSG_ERROR, "Invalid hash password "
 423                                            "on line %d in '%s'", line, fname);
 424                                 goto failed;
 425                         }
 426                         user->password_len = 16;
 427                         user->password_hash = 1;
 428                         pos = pos2;
 429                 } else {
 430                         pos2 = pos;
 431                         while (*pos2 != '\0' && *pos2 != ' ' &&
 432                                *pos2 != '\t' && *pos2 != '#')
 433                                 pos2++;
 434                         if ((pos2 - pos) & 1) {
 435                                 wpa_printf(MSG_ERROR, "Invalid hex password "
 436                                            "on line %d in '%s'", line, fname);
 437                                 goto failed;
 438                         }
 439                         user->password = os_malloc((pos2 - pos) / 2);
 440                         if (user->password == NULL) {
 441                                 wpa_printf(MSG_ERROR, "Failed to allocate "
 442                                            "memory for EAP password");
 443                                 goto failed;
 444                         }
 445                         if (hexstr2bin(pos, user->password,
 446                                        (pos2 - pos) / 2) < 0) {
 447                                 wpa_printf(MSG_ERROR, "Invalid hex password "
 448                                            "on line %d in '%s'", line, fname);
 449                                 goto failed;
 450                         }
 451                         user->password_len = (pos2 - pos) / 2;
 452                         pos = pos2;
 453                 }
 454
 455                 while (*pos == ' ' || *pos == '\t')
 456                         pos++;
 457                 if (os_strncmp(pos, "[2]", 3) == 0) {
 458                         user->phase2 = 1;
 459                 }
 460
 461         done:
 462                 if (tail == NULL) {
 463                         tail = conf->eap_user = user;
 464                 } else {
 465                         tail->next = user;
 466                         tail = user;
 467                 }
 468                 continue;
 469
 470         failed:
 471                 if (user) {
 472                         os_free(user->password);
 473                         os_free(user->identity);
 474                         os_free(user);
 475                 }
 476                 ret = -1;
 477                 break;
 478         }
 479
 480         fclose(f);
 481
 482         return ret;
 483 }
 484 #endif /* EAP_SERVER */
 485
 486
 487 #ifndef CONFIG_NO_RADIUS
 488 static int
 489 hostapd_config_read_radius_addr(struct hostapd_radius_server **server,
 490                                 int *num_server, const char *val, int def_port,
 491                                 struct hostapd_radius_server **curr_serv)
 492 {
 493         struct hostapd_radius_server *nserv;
 494         int ret;
 495         static int server_index = 1;
 496
 497         nserv = os_realloc_array(*server, *num_server + 1, sizeof(*nserv));
 498         if (nserv == NULL)
 499                 return -1;
 500
 501         *server = nserv;
 502         nserv = &nserv[*num_server];
 503         (*num_server)++;
 504         (*curr_serv) = nserv;
 505
 506         os_memset(nserv, 0, sizeof(*nserv));
 507         nserv->port = def_port;
 508         ret = hostapd_parse_ip_addr(val, &nserv->addr);
 509         nserv->index = server_index++;
 510
 511         return ret;
 512 }
 513
 514
 515 static struct hostapd_radius_attr *
 516 hostapd_parse_radius_attr(const char *value)
 517 {
 518         const char *pos;
 519         char syntax;
 520         struct hostapd_radius_attr *attr;
 521         size_t len;
 522
 523         attr = os_zalloc(sizeof(*attr));
 524         if (attr == NULL)
 525                 return NULL;
 526
 527         attr->type = atoi(value);
 528
 529         pos = os_strchr(value, ':');
 530         if (pos == NULL) {
 531                 attr->val = wpabuf_alloc(1);
 532                 if (attr->val == NULL) {
 533                         os_free(attr);
 534                         return NULL;
 535                 }
 536                 wpabuf_put_u8(attr->val, 0);
 537                 return attr;
 538         }
 539
 540         pos++;
 541         if (pos[0] == '\0' || pos[1] != ':') {
 542                 os_free(attr);
 543                 return NULL;
 544         }
 545         syntax = *pos++;
 546         pos++;
 547
 548         switch (syntax) {
 549         case 's':
 550                 attr->val = wpabuf_alloc_copy(pos, os_strlen(pos));
 551                 break;
 552         case 'x':
 553                 len = os_strlen(pos);
 554                 if (len & 1)
 555                         break;
 556                 len /= 2;
 557                 attr->val = wpabuf_alloc(len);
 558                 if (attr->val == NULL)
 559                         break;
 560                 if (hexstr2bin(pos, wpabuf_put(attr->val, len), len) < 0) {
 561                         wpabuf_free(attr->val);
 562                         os_free(attr);
 563                         return NULL;
 564                 }
 565                 break;
 566         case 'd':
 567                 attr->val = wpabuf_alloc(4);
 568                 if (attr->val)
 569                         wpabuf_put_be32(attr->val, atoi(pos));
 570                 break;
 571         default:
 572                 os_free(attr);
 573                 return NULL;
 574         }
 575
 576         if (attr->val == NULL) {
 577                 os_free(attr);
 578                 return NULL;
 579         }
 580
 581         return attr;
 582 }
 583
 584
 585 static int hostapd_parse_das_client(struct hostapd_bss_config *bss,
 586                                     const char *val)
 587 {
 588         char *secret;
 589
 590         secret = os_strchr(val, ' ');
 591         if (secret == NULL)
 592                 return -1;
 593
 594         secret++;
 595
 596         if (hostapd_parse_ip_addr(val, &bss->radius_das_client_addr))
 597                 return -1;
 598
 599         os_free(bss->radius_das_shared_secret);
 600         bss->radius_das_shared_secret = (u8 *) os_strdup(secret);
 601         if (bss->radius_das_shared_secret == NULL)
 602                 return -1;
 603         bss->radius_das_shared_secret_len = os_strlen(secret);
 604
 605         return 0;
 606 }
 607 #endif /* CONFIG_NO_RADIUS */
 608
 609
 610 static int hostapd_config_parse_key_mgmt(int line, const char *value)
 611 {
 612         int val = 0, last;
 613         char *start, *end, *buf;
 614
 615         buf = os_strdup(value);
 616         if (buf == NULL)
 617                 return -1;
 618         start = buf;
 619
 620         while (*start != '\0') {
 621                 while (*start == ' ' || *start == '\t')
 622                         start++;
 623                 if (*start == '\0')
 624                         break;
 625                 end = start;
 626                 while (*end != ' ' && *end != '\t' && *end != '\0')
 627                         end++;
 628                 last = *end == '\0';
 629                 *end = '\0';
 630                 if (os_strcmp(start, "WPA-PSK") == 0)
 631                         val |= WPA_KEY_MGMT_PSK;
 632                 else if (os_strcmp(start, "WPA-EAP") == 0)
 633                         val |= WPA_KEY_MGMT_IEEE8021X;
 634 #ifdef CONFIG_IEEE80211R
 635                 else if (os_strcmp(start, "FT-PSK") == 0)
 636                         val |= WPA_KEY_MGMT_FT_PSK;
 637                 else if (os_strcmp(start, "FT-EAP") == 0)
 638                         val |= WPA_KEY_MGMT_FT_IEEE8021X;
 639 #endif /* CONFIG_IEEE80211R */
 640 #ifdef CONFIG_IEEE80211W
 641                 else if (os_strcmp(start, "WPA-PSK-SHA256") == 0)
 642                         val |= WPA_KEY_MGMT_PSK_SHA256;
 643                 else if (os_strcmp(start, "WPA-EAP-SHA256") == 0)
 644                         val |= WPA_KEY_MGMT_IEEE8021X_SHA256;
 645 #endif /* CONFIG_IEEE80211W */
 646 #ifdef CONFIG_SAE
 647                 else if (os_strcmp(start, "SAE") == 0)
 648                         val |= WPA_KEY_MGMT_SAE;
 649                 else if (os_strcmp(start, "FT-SAE") == 0)
 650                         val |= WPA_KEY_MGMT_FT_SAE;
 651 #endif /* CONFIG_SAE */
 652                 else {
 653                         wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'",
 654                                    line, start);
 655                         os_free(buf);
 656                         return -1;
 657                 }
 658
 659                 if (last)
 660                         break;
 661                 start = end + 1;
 662         }
 663
 664         os_free(buf);
 665         if (val == 0) {
 666                 wpa_printf(MSG_ERROR, "Line %d: no key_mgmt values "
 667                            "configured.", line);
 668                 return -1;
 669         }
 670
 671         return val;
 672 }
 673
 674
 675 static int hostapd_config_parse_cipher(int line, const char *value)
 676 {
 677         int val = wpa_parse_cipher(value);
 678         if (val < 0) {
 679                 wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.",
 680                            line, value);
 681                 return -1;
 682         }
 683         if (val == 0) {
 684                 wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.",
 685                            line);
 686                 return -1;
 687         }
 688         return val;
 689 }
 690
 691
 692 static int hostapd_config_read_wep(struct hostapd_wep_keys *wep, int keyidx,
 693                                    char *val)
 694 {
 695         size_t len = os_strlen(val);
 696
 697         if (keyidx < 0 || keyidx > 3 || wep->key[keyidx] != NULL)
 698                 return -1;
 699
 700         if (val[0] == '"') {
 701                 if (len < 2 || val[len - 1] != '"')
 702                         return -1;
 703                 len -= 2;
 704                 wep->key[keyidx] = os_malloc(len);
 705                 if (wep->key[keyidx] == NULL)
 706                         return -1;
 707                 os_memcpy(wep->key[keyidx], val + 1, len);
 708                 wep->len[keyidx] = len;
 709         } else {
 710                 if (len & 1)
 711                         return -1;
 712                 len /= 2;
 713                 wep->key[keyidx] = os_malloc(len);
 714                 if (wep->key[keyidx] == NULL)
 715                         return -1;
 716                 wep->len[keyidx] = len;
 717                 if (hexstr2bin(val, wep->key[keyidx], len) < 0)
 718                         return -1;
 719         }
 720
 721         wep->keys_set++;
 722
 723         return 0;
 724 }
 725
 726
 727 static int hostapd_parse_intlist(int **int_list, char *val)
 728 {
 729         int *list;
 730         int count;
 731         char *pos, *end;
 732
 733         os_free(*int_list);
 734         *int_list = NULL;
 735
 736         pos = val;
 737         count = 0;
 738         while (*pos != '\0') {
 739                 if (*pos == ' ')
 740                         count++;
 741                 pos++;
 742         }
 743
 744         list = os_malloc(sizeof(int) * (count + 2));
 745         if (list == NULL)
 746                 return -1;
 747         pos = val;
 748         count = 0;
 749         while (*pos != '\0') {
 750                 end = os_strchr(pos, ' ');
 751                 if (end)
 752                         *end = '\0';
 753
 754                 list[count++] = atoi(pos);
 755                 if (!end)
 756                         break;
 757                 pos = end + 1;
 758         }
 759         list[count] = -1;
 760
 761         *int_list = list;
 762         return 0;
 763 }
 764
 765
 766 static int hostapd_config_bss(struct hostapd_config *conf, const char *ifname)
 767 {
 768         struct hostapd_bss_config **all, *bss;
 769
 770         if (*ifname == '\0')
 771                 return -1;
 772
 773         all = os_realloc_array(conf->bss, conf->num_bss + 1,
 774                                sizeof(struct hostapd_bss_config *));
 775         if (all == NULL) {
 776                 wpa_printf(MSG_ERROR, "Failed to allocate memory for "
 777                            "multi-BSS entry");
 778                 return -1;
 779         }
 780         conf->bss = all;
 781
 782         bss = os_zalloc(sizeof(*bss));
 783         if (bss == NULL)
 784                 return -1;
 785         bss->radius = os_zalloc(sizeof(*bss->radius));
 786         if (bss->radius == NULL) {
 787                 wpa_printf(MSG_ERROR, "Failed to allocate memory for "
 788                            "multi-BSS RADIUS data");
 789                 os_free(bss);
 790                 return -1;
 791         }
 792
 793         conf->bss[conf->num_bss++] = bss;
 794         conf->last_bss = bss;
 795
 796         hostapd_config_defaults_bss(bss);
 797         os_strlcpy(bss->iface, ifname, sizeof(bss->iface));
 798         os_memcpy(bss->ssid.vlan, bss->iface, IFNAMSIZ + 1);
 799
 800         return 0;
 801 }
 802
 803
 804 /* convert floats with one decimal place to value*10 int, i.e.,
 805  * "1.5" will return 15 */
 806 static int hostapd_config_read_int10(const char *value)
 807 {
 808         int i, d;
 809         char *pos;
 810
 811         i = atoi(value);
 812         pos = os_strchr(value, '.');
 813         d = 0;
 814         if (pos) {
 815                 pos++;
 816                 if (*pos >= '0' && *pos <= '9')
 817                         d = *pos - '0';
 818         }
 819
 820         return i * 10 + d;
 821 }
 822
 823
 824 static int valid_cw(int cw)
 825 {
 826         return (cw == 1 || cw == 3 || cw == 7 || cw == 15 || cw == 31 ||
 827                 cw == 63 || cw == 127 || cw == 255 || cw == 511 || cw == 1023);
 828 }
 829
 830
 831 enum {
 832         IEEE80211_TX_QUEUE_DATA0 = 0, /* used for EDCA AC_VO data */
 833         IEEE80211_TX_QUEUE_DATA1 = 1, /* used for EDCA AC_VI data */
 834         IEEE80211_TX_QUEUE_DATA2 = 2, /* used for EDCA AC_BE data */
 835         IEEE80211_TX_QUEUE_DATA3 = 3 /* used for EDCA AC_BK data */
 836 };
 837
 838 static int hostapd_config_tx_queue(struct hostapd_config *conf, char *name,
 839                                    char *val)
 840 {
 841         int num;
 842         char *pos;
 843         struct hostapd_tx_queue_params *queue;
 844
 845         /* skip 'tx_queue_' prefix */
 846         pos = name + 9;
 847         if (os_strncmp(pos, "data", 4) == 0 &&
 848             pos[4] >= '0' && pos[4] <= '9' && pos[5] == '_') {
 849                 num = pos[4] - '0';
 850                 pos += 6;
 851         } else if (os_strncmp(pos, "after_beacon_", 13) == 0 ||
 852                    os_strncmp(pos, "beacon_", 7) == 0) {
 853                 wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
 854                 return 0;
 855         } else {
 856                 wpa_printf(MSG_ERROR, "Unknown tx_queue name '%s'", pos);
 857                 return -1;
 858         }
 859
 860         if (num >= NUM_TX_QUEUES) {
 861                 /* for backwards compatibility, do not trigger failure */
 862                 wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
 863                 return 0;
 864         }
 865
 866         queue = &conf->tx_queue[num];
 867
 868         if (os_strcmp(pos, "aifs") == 0) {
 869                 queue->aifs = atoi(val);
 870                 if (queue->aifs < 0 || queue->aifs > 255) {
 871                         wpa_printf(MSG_ERROR, "Invalid AIFS value %d",
 872                                    queue->aifs);
 873                         return -1;
 874                 }
 875         } else if (os_strcmp(pos, "cwmin") == 0) {
 876                 queue->cwmin = atoi(val);
 877                 if (!valid_cw(queue->cwmin)) {
 878                         wpa_printf(MSG_ERROR, "Invalid cwMin value %d",
 879                                    queue->cwmin);
 880                         return -1;
 881                 }
 882         } else if (os_strcmp(pos, "cwmax") == 0) {
 883                 queue->cwmax = atoi(val);
 884                 if (!valid_cw(queue->cwmax)) {
 885                         wpa_printf(MSG_ERROR, "Invalid cwMax value %d",
 886                                    queue->cwmax);
 887                         return -1;
 888                 }
 889         } else if (os_strcmp(pos, "burst") == 0) {
 890                 queue->burst = hostapd_config_read_int10(val);
 891         } else {
 892                 wpa_printf(MSG_ERROR, "Unknown tx_queue field '%s'", pos);
 893                 return -1;
 894         }
 895
 896         return 0;
 897 }
 898
 899
 900 #ifdef CONFIG_IEEE80211R
 901 static int add_r0kh(struct hostapd_bss_config *bss, char *value)
 902 {
 903         struct ft_remote_r0kh *r0kh;
 904         char *pos, *next;
 905
 906         r0kh = os_zalloc(sizeof(*r0kh));
 907         if (r0kh == NULL)
 908                 return -1;
 909
 910         /* 02:01:02:03:04:05 a.example.com 000102030405060708090a0b0c0d0e0f */
 911         pos = value;
 912         next = os_strchr(pos, ' ');
 913         if (next)
 914                 *next++ = '\0';
 915         if (next == NULL || hwaddr_aton(pos, r0kh->addr)) {
 916                 wpa_printf(MSG_ERROR, "Invalid R0KH MAC address: '%s'", pos);
 917                 os_free(r0kh);
 918                 return -1;
 919         }
 920
 921         pos = next;
 922         next = os_strchr(pos, ' ');
 923         if (next)
 924                 *next++ = '\0';
 925         if (next == NULL || next - pos > FT_R0KH_ID_MAX_LEN) {
 926                 wpa_printf(MSG_ERROR, "Invalid R0KH-ID: '%s'", pos);
 927                 os_free(r0kh);
 928                 return -1;
 929         }
 930         r0kh->id_len = next - pos - 1;
 931         os_memcpy(r0kh->id, pos, r0kh->id_len);
 932
 933         pos = next;
 934         if (hexstr2bin(pos, r0kh->key, sizeof(r0kh->key))) {
 935                 wpa_printf(MSG_ERROR, "Invalid R0KH key: '%s'", pos);
 936                 os_free(r0kh);
 937                 return -1;
 938         }
 939
 940         r0kh->next = bss->r0kh_list;
 941         bss->r0kh_list = r0kh;
 942
 943         return 0;
 944 }
 945
 946
 947 static int add_r1kh(struct hostapd_bss_config *bss, char *value)
 948 {
 949         struct ft_remote_r1kh *r1kh;
 950         char *pos, *next;
 951
 952         r1kh = os_zalloc(sizeof(*r1kh));
 953         if (r1kh == NULL)
 954                 return -1;
 955
 956         /* 02:01:02:03:04:05 02:01:02:03:04:05
 957          * 000102030405060708090a0b0c0d0e0f */
 958         pos = value;
 959         next = os_strchr(pos, ' ');
 960         if (next)
 961                 *next++ = '\0';
 962         if (next == NULL || hwaddr_aton(pos, r1kh->addr)) {
 963                 wpa_printf(MSG_ERROR, "Invalid R1KH MAC address: '%s'", pos);
 964                 os_free(r1kh);
 965                 return -1;
 966         }
 967
 968         pos = next;
 969         next = os_strchr(pos, ' ');
 970         if (next)
 971                 *next++ = '\0';
 972         if (next == NULL || hwaddr_aton(pos, r1kh->id)) {
 973                 wpa_printf(MSG_ERROR, "Invalid R1KH-ID: '%s'", pos);
 974                 os_free(r1kh);
 975                 return -1;
 976         }
 977
 978         pos = next;
 979         if (hexstr2bin(pos, r1kh->key, sizeof(r1kh->key))) {
 980                 wpa_printf(MSG_ERROR, "Invalid R1KH key: '%s'", pos);
 981                 os_free(r1kh);
 982                 return -1;
 983         }
 984
 985         r1kh->next = bss->r1kh_list;
 986         bss->r1kh_list = r1kh;
 987
 988         return 0;
 989 }
 990 #endif /* CONFIG_IEEE80211R */
 991
 992
 993 #ifdef CONFIG_IEEE80211N
 994 static int hostapd_config_ht_capab(struct hostapd_config *conf,
 995                                    const char *capab)
 996 {
 997         if (os_strstr(capab, "[LDPC]"))
 998                 conf->ht_capab |= HT_CAP_INFO_LDPC_CODING_CAP;
 999         if (os_strstr(capab, "[HT40-]")) {
1000                 conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
1001                 conf->secondary_channel = -1;
1002         }
1003         if (os_strstr(capab, "[HT40+]")) {
1004                 conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
1005                 conf->secondary_channel = 1;
1006         }
1007         if (os_strstr(capab, "[SMPS-STATIC]")) {
1008                 conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
1009                 conf->ht_capab |= HT_CAP_INFO_SMPS_STATIC;
1010         }
1011         if (os_strstr(capab, "[SMPS-DYNAMIC]")) {
1012                 conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
1013                 conf->ht_capab |= HT_CAP_INFO_SMPS_DYNAMIC;
1014         }
1015         if (os_strstr(capab, "[GF]"))
1016                 conf->ht_capab |= HT_CAP_INFO_GREEN_FIELD;
1017         if (os_strstr(capab, "[SHORT-GI-20]"))
1018                 conf->ht_capab |= HT_CAP_INFO_SHORT_GI20MHZ;
1019         if (os_strstr(capab, "[SHORT-GI-40]"))
1020                 conf->ht_capab |= HT_CAP_INFO_SHORT_GI40MHZ;
1021         if (os_strstr(capab, "[TX-STBC]"))
1022                 conf->ht_capab |= HT_CAP_INFO_TX_STBC;
1023         if (os_strstr(capab, "[RX-STBC1]")) {
1024                 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1025                 conf->ht_capab |= HT_CAP_INFO_RX_STBC_1;
1026         }
1027         if (os_strstr(capab, "[RX-STBC12]")) {
1028                 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1029                 conf->ht_capab |= HT_CAP_INFO_RX_STBC_12;
1030         }
1031         if (os_strstr(capab, "[RX-STBC123]")) {
1032                 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1033                 conf->ht_capab |= HT_CAP_INFO_RX_STBC_123;
1034         }
1035         if (os_strstr(capab, "[DELAYED-BA]"))
1036                 conf->ht_capab |= HT_CAP_INFO_DELAYED_BA;
1037         if (os_strstr(capab, "[MAX-AMSDU-7935]"))
1038                 conf->ht_capab |= HT_CAP_INFO_MAX_AMSDU_SIZE;
1039         if (os_strstr(capab, "[DSSS_CCK-40]"))
1040                 conf->ht_capab |= HT_CAP_INFO_DSSS_CCK40MHZ;
1041         if (os_strstr(capab, "[PSMP]"))
1042                 conf->ht_capab |= HT_CAP_INFO_PSMP_SUPP;
1043         if (os_strstr(capab, "[LSIG-TXOP-PROT]"))
1044                 conf->ht_capab |= HT_CAP_INFO_LSIG_TXOP_PROTECT_SUPPORT;
1045
1046         return 0;
1047 }
1048 #endif /* CONFIG_IEEE80211N */
1049
1050
1051 #ifdef CONFIG_IEEE80211AC
1052 static int hostapd_config_vht_capab(struct hostapd_config *conf,
1053                                     const char *capab)
1054 {
1055         if (os_strstr(capab, "[MAX-MPDU-7991]"))
1056                 conf->vht_capab |= VHT_CAP_MAX_MPDU_LENGTH_7991;
1057         if (os_strstr(capab, "[MAX-MPDU-11454]"))
1058                 conf->vht_capab |= VHT_CAP_MAX_MPDU_LENGTH_11454;
1059         if (os_strstr(capab, "[VHT160]"))
1060                 conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
1061         if (os_strstr(capab, "[VHT160-80PLUS80]"))
1062                 conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
1063         if (os_strstr(capab, "[VHT160-80PLUS80]"))
1064                 conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
1065         if (os_strstr(capab, "[RXLDPC]"))
1066                 conf->vht_capab |= VHT_CAP_RXLDPC;
1067         if (os_strstr(capab, "[SHORT-GI-80]"))
1068                 conf->vht_capab |= VHT_CAP_SHORT_GI_80;
1069         if (os_strstr(capab, "[SHORT-GI-160]"))
1070                 conf->vht_capab |= VHT_CAP_SHORT_GI_160;
1071         if (os_strstr(capab, "[TX-STBC-2BY1]"))
1072                 conf->vht_capab |= VHT_CAP_TXSTBC;
1073         if (os_strstr(capab, "[RX-STBC-1]"))
1074                 conf->vht_capab |= VHT_CAP_RXSTBC_1;
1075         if (os_strstr(capab, "[RX-STBC-12]"))
1076                 conf->vht_capab |= VHT_CAP_RXSTBC_2;
1077         if (os_strstr(capab, "[RX-STBC-123]"))
1078                 conf->vht_capab |= VHT_CAP_RXSTBC_3;
1079         if (os_strstr(capab, "[RX-STBC-1234]"))
1080                 conf->vht_capab |= VHT_CAP_RXSTBC_4;
1081         if (os_strstr(capab, "[SU-BEAMFORMER]"))
1082                 conf->vht_capab |= VHT_CAP_SU_BEAMFORMER_CAPABLE;
1083         if (os_strstr(capab, "[SU-BEAMFORMEE]"))
1084                 conf->vht_capab |= VHT_CAP_SU_BEAMFORMEE_CAPABLE;
1085         if (os_strstr(capab, "[BF-ANTENNA-2]") &&
1086             (conf->vht_capab & VHT_CAP_SU_BEAMFORMEE_CAPABLE))
1087                 conf->vht_capab |= (1 << VHT_CAP_BEAMFORMEE_STS_OFFSET);
1088         if (os_strstr(capab, "[SOUNDING-DIMENSION-2]") &&
1089             (conf->vht_capab & VHT_CAP_SU_BEAMFORMER_CAPABLE))
1090                 conf->vht_capab |= (1 << VHT_CAP_SOUNDING_DIMENSION_OFFSET);
1091         if (os_strstr(capab, "[MU-BEAMFORMER]"))
1092                 conf->vht_capab |= VHT_CAP_MU_BEAMFORMER_CAPABLE;
1093         if (os_strstr(capab, "[MU-BEAMFORMEE]"))
1094                 conf->vht_capab |= VHT_CAP_MU_BEAMFORMEE_CAPABLE;
1095         if (os_strstr(capab, "[VHT-TXOP-PS]"))
1096                 conf->vht_capab |= VHT_CAP_VHT_TXOP_PS;
1097         if (os_strstr(capab, "[HTC-VHT]"))
1098                 conf->vht_capab |= VHT_CAP_HTC_VHT;
1099         if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP0]"))
1100                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT;
1101         if (os_strstr(capab, "[VHT-LINK-ADAPT2]") &&
1102             (conf->vht_capab & VHT_CAP_HTC_VHT))
1103                 conf->vht_capab |= VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB;
1104         if (os_strstr(capab, "[VHT-LINK-ADAPT3]") &&
1105             (conf->vht_capab & VHT_CAP_HTC_VHT))
1106                 conf->vht_capab |= VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB;
1107         if (os_strstr(capab, "[RX-ANTENNA-PATTERN]"))
1108                 conf->vht_capab |= VHT_CAP_RX_ANTENNA_PATTERN;
1109         if (os_strstr(capab, "[TX-ANTENNA-PATTERN]"))
1110                 conf->vht_capab |= VHT_CAP_TX_ANTENNA_PATTERN;
1111         return 0;
1112 }
1113 #endif /* CONFIG_IEEE80211AC */
1114
1115
1116 #ifdef CONFIG_INTERWORKING
1117 static int parse_roaming_consortium(struct hostapd_bss_config *bss, char *pos,
1118                                     int line)
1119 {
1120         size_t len = os_strlen(pos);
1121         u8 oi[MAX_ROAMING_CONSORTIUM_LEN];
1122
1123         struct hostapd_roaming_consortium *rc;
1124
1125         if ((len & 1) || len < 2 * 3 || len / 2 > MAX_ROAMING_CONSORTIUM_LEN ||
1126             hexstr2bin(pos, oi, len / 2)) {
1127                 wpa_printf(MSG_ERROR, "Line %d: invalid roaming_consortium "
1128                            "'%s'", line, pos);
1129                 return -1;
1130         }
1131         len /= 2;
1132
1133         rc = os_realloc_array(bss->roaming_consortium,
1134                               bss->roaming_consortium_count + 1,
1135                               sizeof(struct hostapd_roaming_consortium));
1136         if (rc == NULL)
1137                 return -1;
1138
1139         os_memcpy(rc[bss->roaming_consortium_count].oi, oi, len);
1140         rc[bss->roaming_consortium_count].len = len;
1141
1142         bss->roaming_consortium = rc;
1143         bss->roaming_consortium_count++;
1144
1145         return 0;
1146 }
1147
1148
1149 static int parse_lang_string(struct hostapd_lang_string **array,
1150                              unsigned int *count, char *pos)
1151 {
1152         char *sep, *str = NULL;
1153         size_t clen, nlen, slen;
1154         struct hostapd_lang_string *ls;
1155         int ret = -1;
1156
1157         if (*pos == '"' || (*pos == 'P' && pos[1] == '"')) {
1158                 str = wpa_config_parse_string(pos, &slen);
1159                 if (!str)
1160                         return -1;
1161                 pos = str;
1162         }
1163
1164         sep = os_strchr(pos, ':');
1165         if (sep == NULL)
1166                 goto fail;
1167         *sep++ = '\0';
1168
1169         clen = os_strlen(pos);
1170         if (clen < 2 || clen > sizeof(ls->lang))
1171                 goto fail;
1172         nlen = os_strlen(sep);
1173         if (nlen > 252)
1174                 goto fail;
1175
1176         ls = os_realloc_array(*array, *count + 1,
1177                               sizeof(struct hostapd_lang_string));
1178         if (ls == NULL)
1179                 goto fail;
1180
1181         *array = ls;
1182         ls = &(*array)[*count];
1183         (*count)++;
1184
1185         os_memset(ls->lang, 0, sizeof(ls->lang));
1186         os_memcpy(ls->lang, pos, clen);
1187         ls->name_len = nlen;
1188         os_memcpy(ls->name, sep, nlen);
1189
1190         ret = 0;
1191 fail:
1192         os_free(str);
1193         return ret;
1194 }
1195
1196
1197 static int parse_venue_name(struct hostapd_bss_config *bss, char *pos,
1198                             int line)
1199 {
1200         if (parse_lang_string(&bss->venue_name, &bss->venue_name_count, pos)) {
1201                 wpa_printf(MSG_ERROR, "Line %d: Invalid venue_name '%s'",
1202                            line, pos);
1203                 return -1;
1204         }
1205         return 0;
1206 }
1207
1208
1209 static int parse_3gpp_cell_net(struct hostapd_bss_config *bss, char *buf,
1210                                int line)
1211 {
1212         size_t count;
1213         char *pos;
1214         u8 *info = NULL, *ipos;
1215
1216         /* format: <MCC1,MNC1>[;<MCC2,MNC2>][;...] */
1217
1218         count = 1;
1219         for (pos = buf; *pos; pos++) {
1220                 if ((*pos < '0' && *pos > '9') && *pos != ';' && *pos != ',')
1221                         goto fail;
1222                 if (*pos == ';')
1223                         count++;
1224         }
1225         if (1 + count * 3 > 0x7f)
1226                 goto fail;
1227
1228         info = os_zalloc(2 + 3 + count * 3);
1229         if (info == NULL)
1230                 return -1;
1231
1232         ipos = info;
1233         *ipos++ = 0; /* GUD - Version 1 */
1234         *ipos++ = 3 + count * 3; /* User Data Header Length (UDHL) */
1235         *ipos++ = 0; /* PLMN List IEI */
1236         /* ext(b8) | Length of PLMN List value contents(b7..1) */
1237         *ipos++ = 1 + count * 3;
1238         *ipos++ = count; /* Number of PLMNs */
1239
1240         pos = buf;
1241         while (pos && *pos) {
1242                 char *mcc, *mnc;
1243                 size_t mnc_len;
1244
1245                 mcc = pos;
1246                 mnc = os_strchr(pos, ',');
1247                 if (mnc == NULL)
1248                         goto fail;
1249                 *mnc++ = '\0';
1250                 pos = os_strchr(mnc, ';');
1251                 if (pos)
1252                         *pos++ = '\0';
1253
1254                 mnc_len = os_strlen(mnc);
1255                 if (os_strlen(mcc) != 3 || (mnc_len != 2 && mnc_len != 3))
1256                         goto fail;
1257
1258                 /* BC coded MCC,MNC */
1259                 /* MCC digit 2 | MCC digit 1 */
1260                 *ipos++ = ((mcc[1] - '0') << 4) | (mcc[0] - '0');
1261                 /* MNC digit 3 | MCC digit 3 */
1262                 *ipos++ = (((mnc_len == 2) ? 0xf0 : ((mnc[2] - '0') << 4))) |
1263                         (mcc[2] - '0');
1264                 /* MNC digit 2 | MNC digit 1 */
1265                 *ipos++ = ((mnc[1] - '0') << 4) | (mnc[0] - '0');
1266         }
1267
1268         os_free(bss->anqp_3gpp_cell_net);
1269         bss->anqp_3gpp_cell_net = info;
1270         bss->anqp_3gpp_cell_net_len = 2 + 3 + 3 * count;
1271         wpa_hexdump(MSG_MSGDUMP, "3GPP Cellular Network information",
1272                     bss->anqp_3gpp_cell_net, bss->anqp_3gpp_cell_net_len);
1273
1274         return 0;
1275
1276 fail:
1277         wpa_printf(MSG_ERROR, "Line %d: Invalid anqp_3gpp_cell_net: %s",
1278                    line, buf);
1279         os_free(info);
1280         return -1;
1281 }
1282
1283
1284 static int parse_nai_realm(struct hostapd_bss_config *bss, char *buf, int line)
1285 {
1286         struct hostapd_nai_realm_data *realm;
1287         size_t i, j, len;
1288         int *offsets;
1289         char *pos, *end, *rpos;
1290
1291         offsets = os_calloc(bss->nai_realm_count * MAX_NAI_REALMS,
1292                             sizeof(int));
1293         if (offsets == NULL)
1294                 return -1;
1295
1296         for (i = 0; i < bss->nai_realm_count; i++) {
1297                 realm = &bss->nai_realm_data[i];
1298                 for (j = 0; j < MAX_NAI_REALMS; j++) {
1299                         offsets[i * MAX_NAI_REALMS + j] =
1300                                 realm->realm[j] ?
1301                                 realm->realm[j] - realm->realm_buf : -1;
1302                 }
1303         }
1304
1305         realm = os_realloc_array(bss->nai_realm_data, bss->nai_realm_count + 1,
1306                                  sizeof(struct hostapd_nai_realm_data));
1307         if (realm == NULL) {
1308                 os_free(offsets);
1309                 return -1;
1310         }
1311         bss->nai_realm_data = realm;
1312
1313         /* patch the pointers after realloc */
1314         for (i = 0; i < bss->nai_realm_count; i++) {
1315                 realm = &bss->nai_realm_data[i];
1316                 for (j = 0; j < MAX_NAI_REALMS; j++) {
1317                         int offs = offsets[i * MAX_NAI_REALMS + j];
1318                         if (offs >= 0)
1319                                 realm->realm[j] = realm->realm_buf + offs;
1320                         else
1321                                 realm->realm[j] = NULL;
1322                 }
1323         }
1324         os_free(offsets);
1325
1326         realm = &bss->nai_realm_data[bss->nai_realm_count];
1327         os_memset(realm, 0, sizeof(*realm));
1328
1329         pos = buf;
1330         realm->encoding = atoi(pos);
1331         pos = os_strchr(pos, ',');
1332         if (pos == NULL)
1333                 goto fail;
1334         pos++;
1335
1336         end = os_strchr(pos, ',');
1337         if (end) {
1338                 len = end - pos;
1339                 *end = '\0';
1340         } else {
1341                 len = os_strlen(pos);
1342         }
1343
1344         if (len > MAX_NAI_REALMLEN) {
1345                 wpa_printf(MSG_ERROR, "Too long a realm string (%d > max %d "
1346                            "characters)", (int) len, MAX_NAI_REALMLEN);
1347                 goto fail;
1348         }
1349         os_memcpy(realm->realm_buf, pos, len);
1350
1351         if (end)
1352                 pos = end + 1;
1353         else
1354                 pos = NULL;
1355
1356         while (pos && *pos) {
1357                 struct hostapd_nai_realm_eap *eap;
1358
1359                 if (realm->eap_method_count >= MAX_NAI_EAP_METHODS) {
1360                         wpa_printf(MSG_ERROR, "Too many EAP methods");
1361                         goto fail;
1362                 }
1363
1364                 eap = &realm->eap_method[realm->eap_method_count];
1365                 realm->eap_method_count++;
1366
1367                 end = os_strchr(pos, ',');
1368                 if (end == NULL)
1369                         end = pos + os_strlen(pos);
1370
1371                 eap->eap_method = atoi(pos);
1372                 for (;;) {
1373                         pos = os_strchr(pos, '[');
1374                         if (pos == NULL || pos > end)
1375                                 break;
1376                         pos++;
1377                         if (eap->num_auths >= MAX_NAI_AUTH_TYPES) {
1378                                 wpa_printf(MSG_ERROR, "Too many auth params");
1379                                 goto fail;
1380                         }
1381                         eap->auth_id[eap->num_auths] = atoi(pos);
1382                         pos = os_strchr(pos, ':');
1383                         if (pos == NULL || pos > end)
1384                                 goto fail;
1385                         pos++;
1386                         eap->auth_val[eap->num_auths] = atoi(pos);
1387                         pos = os_strchr(pos, ']');
1388                         if (pos == NULL || pos > end)
1389                                 goto fail;
1390                         pos++;
1391                         eap->num_auths++;
1392                 }
1393
1394                 if (*end != ',')
1395                         break;
1396
1397                 pos = end + 1;
1398         }
1399
1400         /* Split realm list into null terminated realms */
1401         rpos = realm->realm_buf;
1402         i = 0;
1403         while (*rpos) {
1404                 if (i >= MAX_NAI_REALMS) {
1405                         wpa_printf(MSG_ERROR, "Too many realms");
1406                         goto fail;
1407                 }
1408                 realm->realm[i++] = rpos;
1409                 rpos = os_strchr(rpos, ';');
1410                 if (rpos == NULL)
1411                         break;
1412                 *rpos++ = '\0';
1413         }
1414
1415         bss->nai_realm_count++;
1416
1417         return 0;
1418
1419 fail:
1420         wpa_printf(MSG_ERROR, "Line %d: invalid nai_realm '%s'", line, buf);
1421         return -1;
1422 }
1423
1424
1425 static int parse_qos_map_set(struct hostapd_bss_config *bss,
1426                              char *buf, int line)
1427 {
1428         u8 qos_map_set[16 + 2 * 21], count = 0;
1429         char *pos = buf;
1430         int val;
1431
1432         for (;;) {
1433                 if (count == sizeof(qos_map_set)) {
1434                         wpa_printf(MSG_ERROR, "Line %d: Too many qos_map_set "
1435                                    "parameters '%s'", line, buf);
1436                         return -1;
1437                 }
1438
1439                 val = atoi(pos);
1440                 if (val > 255 || val < 0) {
1441                         wpa_printf(MSG_ERROR, "Line %d: Invalid qos_map_set "
1442                                    "'%s'", line, buf);
1443                         return -1;
1444                 }
1445
1446                 qos_map_set[count++] = val;
1447                 pos = os_strchr(pos, ',');
1448                 if (!pos)
1449                         break;
1450                 pos++;
1451         }
1452
1453         if (count < 16 || count & 1) {
1454                 wpa_printf(MSG_ERROR, "Line %d: Invalid qos_map_set '%s'",
1455                            line, buf);
1456                 return -1;
1457         }
1458
1459         os_memcpy(bss->qos_map_set, qos_map_set, count);
1460         bss->qos_map_set_len = count;
1461
1462         return 0;
1463 }
1464
1465 #endif /* CONFIG_INTERWORKING */
1466
1467
1468 #ifdef CONFIG_HS20
1469 static int hs20_parse_conn_capab(struct hostapd_bss_config *bss, char *buf,
1470                                  int line)
1471 {
1472         u8 *conn_cap;
1473         char *pos;
1474
1475         if (bss->hs20_connection_capability_len >= 0xfff0)
1476                 return -1;
1477
1478         conn_cap = os_realloc(bss->hs20_connection_capability,
1479                               bss->hs20_connection_capability_len + 4);
1480         if (conn_cap == NULL)
1481                 return -1;
1482
1483         bss->hs20_connection_capability = conn_cap;
1484         conn_cap += bss->hs20_connection_capability_len;
1485         pos = buf;
1486         conn_cap[0] = atoi(pos);
1487         pos = os_strchr(pos, ':');
1488         if (pos == NULL)
1489                 return -1;
1490         pos++;
1491         WPA_PUT_LE16(conn_cap + 1, atoi(pos));
1492         pos = os_strchr(pos, ':');
1493         if (pos == NULL)
1494                 return -1;
1495         pos++;
1496         conn_cap[3] = atoi(pos);
1497         bss->hs20_connection_capability_len += 4;
1498
1499         return 0;
1500 }
1501
1502
1503 static int hs20_parse_wan_metrics(struct hostapd_bss_config *bss, char *buf,
1504                                   int line)
1505 {
1506         u8 *wan_metrics;
1507         char *pos;
1508
1509         /* <WAN Info>:<DL Speed>:<UL Speed>:<DL Load>:<UL Load>:<LMD> */
1510
1511         wan_metrics = os_zalloc(13);
1512         if (wan_metrics == NULL)
1513                 return -1;
1514
1515         pos = buf;
1516         /* WAN Info */
1517         if (hexstr2bin(pos, wan_metrics, 1) < 0)
1518                 goto fail;
1519         pos += 2;
1520         if (*pos != ':')
1521                 goto fail;
1522         pos++;
1523
1524         /* Downlink Speed */
1525         WPA_PUT_LE32(wan_metrics + 1, atoi(pos));
1526         pos = os_strchr(pos, ':');
1527         if (pos == NULL)
1528                 goto fail;
1529         pos++;
1530
1531         /* Uplink Speed */
1532         WPA_PUT_LE32(wan_metrics + 5, atoi(pos));
1533         pos = os_strchr(pos, ':');
1534         if (pos == NULL)
1535                 goto fail;
1536         pos++;
1537
1538         /* Downlink Load */
1539         wan_metrics[9] = atoi(pos);
1540         pos = os_strchr(pos, ':');
1541         if (pos == NULL)
1542                 goto fail;
1543         pos++;
1544
1545         /* Uplink Load */
1546         wan_metrics[10] = atoi(pos);
1547         pos = os_strchr(pos, ':');
1548         if (pos == NULL)
1549                 goto fail;
1550         pos++;
1551
1552         /* LMD */
1553         WPA_PUT_LE16(wan_metrics + 11, atoi(pos));
1554
1555         os_free(bss->hs20_wan_metrics);
1556         bss->hs20_wan_metrics = wan_metrics;
1557
1558         return 0;
1559
1560 fail:
1561         wpa_printf(MSG_ERROR, "Line %d: Invalid hs20_wan_metrics '%s'",
1562                    line, pos);
1563         os_free(wan_metrics);
1564         return -1;
1565 }
1566
1567
1568 static int hs20_parse_oper_friendly_name(struct hostapd_bss_config *bss,
1569                                          char *pos, int line)
1570 {
1571         if (parse_lang_string(&bss->hs20_oper_friendly_name,
1572                               &bss->hs20_oper_friendly_name_count, pos)) {
1573                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1574                            "hs20_oper_friendly_name '%s'", line, pos);
1575                 return -1;
1576         }
1577         return 0;
1578 }
1579 #endif /* CONFIG_HS20 */
1580
1581
1582 #ifdef CONFIG_WPS_NFC
1583 static struct wpabuf * hostapd_parse_bin(const char *buf)
1584 {
1585         size_t len;
1586         struct wpabuf *ret;
1587
1588         len = os_strlen(buf);
1589         if (len & 0x01)
1590                 return NULL;
1591         len /= 2;
1592
1593         ret = wpabuf_alloc(len);
1594         if (ret == NULL)
1595                 return NULL;
1596
1597         if (hexstr2bin(buf, wpabuf_put(ret, len), len)) {
1598                 wpabuf_free(ret);
1599                 return NULL;
1600         }
1601
1602         return ret;
1603 }
1604 #endif /* CONFIG_WPS_NFC */
1605
1606
1607 static int hostapd_config_fill(struct hostapd_config *conf,
1608                                struct hostapd_bss_config *bss,
1609                                char *buf, char *pos, int line)
1610 {
1611         int errors = 0;
1612
1613         {
1614                 if (os_strcmp(buf, "interface") == 0) {
1615                         os_strlcpy(conf->bss[0]->iface, pos,
1616                                    sizeof(conf->bss[0]->iface));
1617                 } else if (os_strcmp(buf, "bridge") == 0) {
1618                         os_strlcpy(bss->bridge, pos, sizeof(bss->bridge));
1619                 } else if (os_strcmp(buf, "vlan_bridge") == 0) {
1620                         os_strlcpy(bss->vlan_bridge, pos,
1621                                    sizeof(bss->vlan_bridge));
1622                 } else if (os_strcmp(buf, "wds_bridge") == 0) {
1623                         os_strlcpy(bss->wds_bridge, pos,
1624                                    sizeof(bss->wds_bridge));
1625                 } else if (os_strcmp(buf, "driver") == 0) {
1626                         int j;
1627                         /* clear to get error below if setting is invalid */
1628                         conf->driver = NULL;
1629                         for (j = 0; wpa_drivers[j]; j++) {
1630                                 if (os_strcmp(pos, wpa_drivers[j]->name) == 0)
1631                                 {
1632                                         conf->driver = wpa_drivers[j];
1633                                         break;
1634                                 }
1635                         }
1636                         if (conf->driver == NULL) {
1637                                 wpa_printf(MSG_ERROR, "Line %d: invalid/"
1638                                            "unknown driver '%s'", line, pos);
1639                                 errors++;
1640                         }
1641                 } else if (os_strcmp(buf, "debug") == 0) {
1642                         wpa_printf(MSG_DEBUG, "Line %d: DEPRECATED: 'debug' "
1643                                    "configuration variable is not used "
1644                                    "anymore", line);
1645                 } else if (os_strcmp(buf, "logger_syslog_level") == 0) {
1646                         bss->logger_syslog_level = atoi(pos);
1647                 } else if (os_strcmp(buf, "logger_stdout_level") == 0) {
1648                         bss->logger_stdout_level = atoi(pos);
1649                 } else if (os_strcmp(buf, "logger_syslog") == 0) {
1650                         bss->logger_syslog = atoi(pos);
1651                 } else if (os_strcmp(buf, "logger_stdout") == 0) {
1652                         bss->logger_stdout = atoi(pos);
1653                 } else if (os_strcmp(buf, "dump_file") == 0) {
1654                         wpa_printf(MSG_INFO, "Line %d: DEPRECATED: 'dump_file' configuration variable is not used anymore",
1655                                    line);
1656                 } else if (os_strcmp(buf, "ssid") == 0) {
1657                         bss->ssid.ssid_len = os_strlen(pos);
1658                         if (bss->ssid.ssid_len > HOSTAPD_MAX_SSID_LEN ||
1659                             bss->ssid.ssid_len < 1) {
1660                                 wpa_printf(MSG_ERROR, "Line %d: invalid SSID "
1661                                            "'%s'", line, pos);
1662                                 errors++;
1663                         } else {
1664                                 os_memcpy(bss->ssid.ssid, pos,
1665                                           bss->ssid.ssid_len);
1666                                 bss->ssid.ssid_set = 1;
1667                         }
1668                 } else if (os_strcmp(buf, "ssid2") == 0) {
1669                         size_t slen;
1670                         char *str = wpa_config_parse_string(pos, &slen);
1671                         if (str == NULL || slen < 1 ||
1672                                    slen > HOSTAPD_MAX_SSID_LEN) {
1673                                 wpa_printf(MSG_ERROR, "Line %d: invalid SSID "
1674                                            "'%s'", line, pos);
1675                                 errors++;
1676                         } else {
1677                                 os_memcpy(bss->ssid.ssid, str, slen);
1678                                 bss->ssid.ssid_len = slen;
1679                                 bss->ssid.ssid_set = 1;
1680                         }
1681                         os_free(str);
1682                 } else if (os_strcmp(buf, "utf8_ssid") == 0) {
1683                         bss->ssid.utf8_ssid = atoi(pos) > 0;
1684                 } else if (os_strcmp(buf, "macaddr_acl") == 0) {
1685                         bss->macaddr_acl = atoi(pos);
1686                         if (bss->macaddr_acl != ACCEPT_UNLESS_DENIED &&
1687                             bss->macaddr_acl != DENY_UNLESS_ACCEPTED &&
1688                             bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
1689                                 wpa_printf(MSG_ERROR, "Line %d: unknown "
1690                                            "macaddr_acl %d",
1691                                            line, bss->macaddr_acl);
1692                         }
1693                 } else if (os_strcmp(buf, "accept_mac_file") == 0) {
1694                         if (hostapd_config_read_maclist(pos, &bss->accept_mac,
1695                                                         &bss->num_accept_mac))
1696                         {
1697                                 wpa_printf(MSG_ERROR, "Line %d: Failed to "
1698                                            "read accept_mac_file '%s'",
1699                                            line, pos);
1700                                 errors++;
1701                         }
1702                 } else if (os_strcmp(buf, "deny_mac_file") == 0) {
1703                         if (hostapd_config_read_maclist(pos, &bss->deny_mac,
1704                                                         &bss->num_deny_mac)) {
1705                                 wpa_printf(MSG_ERROR, "Line %d: Failed to "
1706                                            "read deny_mac_file '%s'",
1707                                            line, pos);
1708                                 errors++;
1709                         }
1710                 } else if (os_strcmp(buf, "wds_sta") == 0) {
1711                         bss->wds_sta = atoi(pos);
1712                 } else if (os_strcmp(buf, "start_disabled") == 0) {
1713                         bss->start_disabled = atoi(pos);
1714                 } else if (os_strcmp(buf, "ap_isolate") == 0) {
1715                         bss->isolate = atoi(pos);
1716                 } else if (os_strcmp(buf, "ap_max_inactivity") == 0) {
1717                         bss->ap_max_inactivity = atoi(pos);
1718                 } else if (os_strcmp(buf, "skip_inactivity_poll") == 0) {
1719                         bss->skip_inactivity_poll = atoi(pos);
1720                 } else if (os_strcmp(buf, "country_code") == 0) {
1721                         os_memcpy(conf->country, pos, 2);
1722                         /* FIX: make this configurable */
1723                         conf->country[2] = ' ';
1724                 } else if (os_strcmp(buf, "ieee80211d") == 0) {
1725                         conf->ieee80211d = atoi(pos);
1726                 } else if (os_strcmp(buf, "ieee80211h") == 0) {
1727                         conf->ieee80211h = atoi(pos);
1728                 } else if (os_strcmp(buf, "ieee8021x") == 0) {
1729                         bss->ieee802_1x = atoi(pos);
1730                 } else if (os_strcmp(buf, "eapol_version") == 0) {
1731                         bss->eapol_version = atoi(pos);
1732                         if (bss->eapol_version < 1 ||
1733                             bss->eapol_version > 2) {
1734                                 wpa_printf(MSG_ERROR, "Line %d: invalid EAPOL "
1735                                            "version (%d): '%s'.",
1736                                            line, bss->eapol_version, pos);
1737                                 errors++;
1738                         } else
1739                                 wpa_printf(MSG_DEBUG, "eapol_version=%d",
1740                                            bss->eapol_version);
1741 #ifdef EAP_SERVER
1742                 } else if (os_strcmp(buf, "eap_authenticator") == 0) {
1743                         bss->eap_server = atoi(pos);
1744                         wpa_printf(MSG_ERROR, "Line %d: obsolete "
1745                                    "eap_authenticator used; this has been "
1746                                    "renamed to eap_server", line);
1747                 } else if (os_strcmp(buf, "eap_server") == 0) {
1748                         bss->eap_server = atoi(pos);
1749                 } else if (os_strcmp(buf, "eap_user_file") == 0) {
1750                         if (hostapd_config_read_eap_user(pos, bss))
1751                                 errors++;
1752                 } else if (os_strcmp(buf, "ca_cert") == 0) {
1753                         os_free(bss->ca_cert);
1754                         bss->ca_cert = os_strdup(pos);
1755                 } else if (os_strcmp(buf, "server_cert") == 0) {
1756                         os_free(bss->server_cert);
1757                         bss->server_cert = os_strdup(pos);
1758                 } else if (os_strcmp(buf, "private_key") == 0) {
1759                         os_free(bss->private_key);
1760                         bss->private_key = os_strdup(pos);
1761                 } else if (os_strcmp(buf, "private_key_passwd") == 0) {
1762                         os_free(bss->private_key_passwd);
1763                         bss->private_key_passwd = os_strdup(pos);
1764                 } else if (os_strcmp(buf, "check_crl") == 0) {
1765                         bss->check_crl = atoi(pos);
1766                 } else if (os_strcmp(buf, "ocsp_stapling_response") == 0) {
1767                         os_free(bss->ocsp_stapling_response);
1768                         bss->ocsp_stapling_response = os_strdup(pos);
1769                 } else if (os_strcmp(buf, "dh_file") == 0) {
1770                         os_free(bss->dh_file);
1771                         bss->dh_file = os_strdup(pos);
1772                 } else if (os_strcmp(buf, "fragment_size") == 0) {
1773                         bss->fragment_size = atoi(pos);
1774 #ifdef EAP_SERVER_FAST
1775                 } else if (os_strcmp(buf, "pac_opaque_encr_key") == 0) {
1776                         os_free(bss->pac_opaque_encr_key);
1777                         bss->pac_opaque_encr_key = os_malloc(16);
1778                         if (bss->pac_opaque_encr_key == NULL) {
1779                                 wpa_printf(MSG_ERROR, "Line %d: No memory for "
1780                                            "pac_opaque_encr_key", line);
1781                                 errors++;
1782                         } else if (hexstr2bin(pos, bss->pac_opaque_encr_key,
1783                                               16)) {
1784                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1785                                            "pac_opaque_encr_key", line);
1786                                 errors++;
1787                         }
1788                 } else if (os_strcmp(buf, "eap_fast_a_id") == 0) {
1789                         size_t idlen = os_strlen(pos);
1790                         if (idlen & 1) {
1791                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1792                                            "eap_fast_a_id", line);
1793                                 errors++;
1794                         } else {
1795                                 os_free(bss->eap_fast_a_id);
1796                                 bss->eap_fast_a_id = os_malloc(idlen / 2);
1797                                 if (bss->eap_fast_a_id == NULL ||
1798                                     hexstr2bin(pos, bss->eap_fast_a_id,
1799                                                idlen / 2)) {
1800                                         wpa_printf(MSG_ERROR, "Line %d: "
1801                                                    "Failed to parse "
1802                                                    "eap_fast_a_id", line);
1803                                         errors++;
1804                                 } else
1805                                         bss->eap_fast_a_id_len = idlen / 2;
1806                         }
1807                 } else if (os_strcmp(buf, "eap_fast_a_id_info") == 0) {
1808                         os_free(bss->eap_fast_a_id_info);
1809                         bss->eap_fast_a_id_info = os_strdup(pos);
1810                 } else if (os_strcmp(buf, "eap_fast_prov") == 0) {
1811                         bss->eap_fast_prov = atoi(pos);
1812                 } else if (os_strcmp(buf, "pac_key_lifetime") == 0) {
1813                         bss->pac_key_lifetime = atoi(pos);
1814                 } else if (os_strcmp(buf, "pac_key_refresh_time") == 0) {
1815                         bss->pac_key_refresh_time = atoi(pos);
1816 #endif /* EAP_SERVER_FAST */
1817 #ifdef EAP_SERVER_SIM
1818                 } else if (os_strcmp(buf, "eap_sim_db") == 0) {
1819                         os_free(bss->eap_sim_db);
1820                         bss->eap_sim_db = os_strdup(pos);
1821                 } else if (os_strcmp(buf, "eap_sim_aka_result_ind") == 0) {
1822                         bss->eap_sim_aka_result_ind = atoi(pos);
1823 #endif /* EAP_SERVER_SIM */
1824 #ifdef EAP_SERVER_TNC
1825                 } else if (os_strcmp(buf, "tnc") == 0) {
1826                         bss->tnc = atoi(pos);
1827 #endif /* EAP_SERVER_TNC */
1828 #ifdef EAP_SERVER_PWD
1829                 } else if (os_strcmp(buf, "pwd_group") == 0) {
1830                         bss->pwd_group = atoi(pos);
1831 #endif /* EAP_SERVER_PWD */
1832 #endif /* EAP_SERVER */
1833                 } else if (os_strcmp(buf, "eap_message") == 0) {
1834                         char *term;
1835                         bss->eap_req_id_text = os_strdup(pos);
1836                         if (bss->eap_req_id_text == NULL) {
1837                                 wpa_printf(MSG_ERROR, "Line %d: Failed to "
1838                                            "allocate memory for "
1839                                            "eap_req_id_text", line);
1840                                 errors++;
1841                                 return errors;
1842                         }
1843                         bss->eap_req_id_text_len =
1844                                 os_strlen(bss->eap_req_id_text);
1845                         term = os_strstr(bss->eap_req_id_text, "\\0");
1846                         if (term) {
1847                                 *term++ = '\0';
1848                                 os_memmove(term, term + 1,
1849                                            bss->eap_req_id_text_len -
1850                                            (term - bss->eap_req_id_text) - 1);
1851                                 bss->eap_req_id_text_len--;
1852                         }
1853                 } else if (os_strcmp(buf, "wep_key_len_broadcast") == 0) {
1854                         bss->default_wep_key_len = atoi(pos);
1855                         if (bss->default_wep_key_len > 13) {
1856                                 wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
1857                                            "key len %lu (= %lu bits)", line,
1858                                            (unsigned long)
1859                                            bss->default_wep_key_len,
1860                                            (unsigned long)
1861                                            bss->default_wep_key_len * 8);
1862                                 errors++;
1863                         }
1864                 } else if (os_strcmp(buf, "wep_key_len_unicast") == 0) {
1865                         bss->individual_wep_key_len = atoi(pos);
1866                         if (bss->individual_wep_key_len < 0 ||
1867                             bss->individual_wep_key_len > 13) {
1868                                 wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
1869                                            "key len %d (= %d bits)", line,
1870                                            bss->individual_wep_key_len,
1871                                            bss->individual_wep_key_len * 8);
1872                                 errors++;
1873                         }
1874                 } else if (os_strcmp(buf, "wep_rekey_period") == 0) {
1875                         bss->wep_rekeying_period = atoi(pos);
1876                         if (bss->wep_rekeying_period < 0) {
1877                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1878                                            "period %d",
1879                                            line, bss->wep_rekeying_period);
1880                                 errors++;
1881                         }
1882                 } else if (os_strcmp(buf, "eap_reauth_period") == 0) {
1883                         bss->eap_reauth_period = atoi(pos);
1884                         if (bss->eap_reauth_period < 0) {
1885                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1886                                            "period %d",
1887                                            line, bss->eap_reauth_period);
1888                                 errors++;
1889                         }
1890                 } else if (os_strcmp(buf, "eapol_key_index_workaround") == 0) {
1891                         bss->eapol_key_index_workaround = atoi(pos);
1892 #ifdef CONFIG_IAPP
1893                 } else if (os_strcmp(buf, "iapp_interface") == 0) {
1894                         bss->ieee802_11f = 1;
1895                         os_strlcpy(bss->iapp_iface, pos,
1896                                    sizeof(bss->iapp_iface));
1897 #endif /* CONFIG_IAPP */
1898                 } else if (os_strcmp(buf, "own_ip_addr") == 0) {
1899                         if (hostapd_parse_ip_addr(pos, &bss->own_ip_addr)) {
1900                                 wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1901                                            "address '%s'", line, pos);
1902                                 errors++;
1903                         }
1904                 } else if (os_strcmp(buf, "nas_identifier") == 0) {
1905                         bss->nas_identifier = os_strdup(pos);
1906 #ifndef CONFIG_NO_RADIUS
1907                 } else if (os_strcmp(buf, "auth_server_addr") == 0) {
1908                         if (hostapd_config_read_radius_addr(
1909                                     &bss->radius->auth_servers,
1910                                     &bss->radius->num_auth_servers, pos, 1812,
1911                                     &bss->radius->auth_server)) {
1912                                 wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1913                                            "address '%s'", line, pos);
1914                                 errors++;
1915                         }
1916                 } else if (bss->radius->auth_server &&
1917                            os_strcmp(buf, "auth_server_port") == 0) {
1918                         bss->radius->auth_server->port = atoi(pos);
1919                 } else if (bss->radius->auth_server &&
1920                            os_strcmp(buf, "auth_server_shared_secret") == 0) {
1921                         int len = os_strlen(pos);
1922                         if (len == 0) {
1923                                 /* RFC 2865, Ch. 3 */
1924                                 wpa_printf(MSG_ERROR, "Line %d: empty shared "
1925                                            "secret is not allowed.", line);
1926                                 errors++;
1927                         }
1928                         bss->radius->auth_server->shared_secret =
1929                                 (u8 *) os_strdup(pos);
1930                         bss->radius->auth_server->shared_secret_len = len;
1931                 } else if (os_strcmp(buf, "acct_server_addr") == 0) {
1932                         if (hostapd_config_read_radius_addr(
1933                                     &bss->radius->acct_servers,
1934                                     &bss->radius->num_acct_servers, pos, 1813,
1935                                     &bss->radius->acct_server)) {
1936                                 wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1937                                            "address '%s'", line, pos);
1938                                 errors++;
1939                         }
1940                 } else if (bss->radius->acct_server &&
1941                            os_strcmp(buf, "acct_server_port") == 0) {
1942                         bss->radius->acct_server->port = atoi(pos);
1943                 } else if (bss->radius->acct_server &&
1944                            os_strcmp(buf, "acct_server_shared_secret") == 0) {
1945                         int len = os_strlen(pos);
1946                         if (len == 0) {
1947                                 /* RFC 2865, Ch. 3 */
1948                                 wpa_printf(MSG_ERROR, "Line %d: empty shared "
1949                                            "secret is not allowed.", line);
1950                                 errors++;
1951                         }
1952                         bss->radius->acct_server->shared_secret =
1953                                 (u8 *) os_strdup(pos);
1954                         bss->radius->acct_server->shared_secret_len = len;
1955                 } else if (os_strcmp(buf, "radius_retry_primary_interval") ==
1956                            0) {
1957                         bss->radius->retry_primary_interval = atoi(pos);
1958                 } else if (os_strcmp(buf, "radius_acct_interim_interval") == 0)
1959                 {
1960                         bss->acct_interim_interval = atoi(pos);
1961                 } else if (os_strcmp(buf, "radius_request_cui") == 0) {
1962                         bss->radius_request_cui = atoi(pos);
1963                 } else if (os_strcmp(buf, "radius_auth_req_attr") == 0) {
1964                         struct hostapd_radius_attr *attr, *a;
1965                         attr = hostapd_parse_radius_attr(pos);
1966                         if (attr == NULL) {
1967                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1968                                            "radius_auth_req_attr", line);
1969                                 errors++;
1970                         } else if (bss->radius_auth_req_attr == NULL) {
1971                                 bss->radius_auth_req_attr = attr;
1972                         } else {
1973                                 a = bss->radius_auth_req_attr;
1974                                 while (a->next)
1975                                         a = a->next;
1976                                 a->next = attr;
1977                         }
1978                 } else if (os_strcmp(buf, "radius_acct_req_attr") == 0) {
1979                         struct hostapd_radius_attr *attr, *a;
1980                         attr = hostapd_parse_radius_attr(pos);
1981                         if (attr == NULL) {
1982                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1983                                            "radius_acct_req_attr", line);
1984                                 errors++;
1985                         } else if (bss->radius_acct_req_attr == NULL) {
1986                                 bss->radius_acct_req_attr = attr;
1987                         } else {
1988                                 a = bss->radius_acct_req_attr;
1989                                 while (a->next)
1990                                         a = a->next;
1991                                 a->next = attr;
1992                         }
1993                 } else if (os_strcmp(buf, "radius_das_port") == 0) {
1994                         bss->radius_das_port = atoi(pos);
1995                 } else if (os_strcmp(buf, "radius_das_client") == 0) {
1996                         if (hostapd_parse_das_client(bss, pos) < 0) {
1997                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1998                                            "DAS client", line);
1999                                 errors++;
2000                         }
2001                 } else if (os_strcmp(buf, "radius_das_time_window") == 0) {
2002                         bss->radius_das_time_window = atoi(pos);
2003                 } else if (os_strcmp(buf, "radius_das_require_event_timestamp")
2004                            == 0) {
2005                         bss->radius_das_require_event_timestamp = atoi(pos);
2006 #endif /* CONFIG_NO_RADIUS */
2007                 } else if (os_strcmp(buf, "auth_algs") == 0) {
2008                         bss->auth_algs = atoi(pos);
2009                         if (bss->auth_algs == 0) {
2010                                 wpa_printf(MSG_ERROR, "Line %d: no "
2011                                            "authentication algorithms allowed",
2012                                            line);
2013                                 errors++;
2014                         }
2015                 } else if (os_strcmp(buf, "max_num_sta") == 0) {
2016                         bss->max_num_sta = atoi(pos);
2017                         if (bss->max_num_sta < 0 ||
2018                             bss->max_num_sta > MAX_STA_COUNT) {
2019                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2020                                            "max_num_sta=%d; allowed range "
2021                                            "0..%d", line, bss->max_num_sta,
2022                                            MAX_STA_COUNT);
2023                                 errors++;
2024                         }
2025                 } else if (os_strcmp(buf, "wpa") == 0) {
2026                         bss->wpa = atoi(pos);
2027                 } else if (os_strcmp(buf, "wpa_group_rekey") == 0) {
2028                         bss->wpa_group_rekey = atoi(pos);
2029                 } else if (os_strcmp(buf, "wpa_strict_rekey") == 0) {
2030                         bss->wpa_strict_rekey = atoi(pos);
2031                 } else if (os_strcmp(buf, "wpa_gmk_rekey") == 0) {
2032                         bss->wpa_gmk_rekey = atoi(pos);
2033                 } else if (os_strcmp(buf, "wpa_ptk_rekey") == 0) {
2034                         bss->wpa_ptk_rekey = atoi(pos);
2035                 } else if (os_strcmp(buf, "wpa_passphrase") == 0) {
2036                         int len = os_strlen(pos);
2037                         if (len < 8 || len > 63) {
2038                                 wpa_printf(MSG_ERROR, "Line %d: invalid WPA "
2039                                            "passphrase length %d (expected "
2040                                            "8..63)", line, len);
2041                                 errors++;
2042                         } else {
2043                                 os_free(bss->ssid.wpa_passphrase);
2044                                 bss->ssid.wpa_passphrase = os_strdup(pos);
2045                                 if (bss->ssid.wpa_passphrase) {
2046                                         os_free(bss->ssid.wpa_psk);
2047                                         bss->ssid.wpa_psk = NULL;
2048                                         bss->ssid.wpa_passphrase_set = 1;
2049                                 }
2050                         }
2051                 } else if (os_strcmp(buf, "wpa_psk") == 0) {
2052                         os_free(bss->ssid.wpa_psk);
2053                         bss->ssid.wpa_psk =
2054                                 os_zalloc(sizeof(struct hostapd_wpa_psk));
2055                         if (bss->ssid.wpa_psk == NULL)
2056                                 errors++;
2057                         else if (hexstr2bin(pos, bss->ssid.wpa_psk->psk,
2058                                             PMK_LEN) ||
2059                                  pos[PMK_LEN * 2] != '\0') {
2060                                 wpa_printf(MSG_ERROR, "Line %d: Invalid PSK "
2061                                            "'%s'.", line, pos);
2062                                 errors++;
2063                         } else {
2064                                 bss->ssid.wpa_psk->group = 1;
2065                                 os_free(bss->ssid.wpa_passphrase);
2066                                 bss->ssid.wpa_passphrase = NULL;
2067                                 bss->ssid.wpa_psk_set = 1;
2068                         }
2069                 } else if (os_strcmp(buf, "wpa_psk_file") == 0) {
2070                         os_free(bss->ssid.wpa_psk_file);
2071                         bss->ssid.wpa_psk_file = os_strdup(pos);
2072                         if (!bss->ssid.wpa_psk_file) {
2073                                 wpa_printf(MSG_ERROR, "Line %d: allocation "
2074                                            "failed", line);
2075                                 errors++;
2076                         }
2077                 } else if (os_strcmp(buf, "wpa_key_mgmt") == 0) {
2078                         bss->wpa_key_mgmt =
2079                                 hostapd_config_parse_key_mgmt(line, pos);
2080                         if (bss->wpa_key_mgmt == -1)
2081                                 errors++;
2082                 } else if (os_strcmp(buf, "wpa_psk_radius") == 0) {
2083                         bss->wpa_psk_radius = atoi(pos);
2084                         if (bss->wpa_psk_radius != PSK_RADIUS_IGNORED &&
2085                             bss->wpa_psk_radius != PSK_RADIUS_ACCEPTED &&
2086                             bss->wpa_psk_radius != PSK_RADIUS_REQUIRED) {
2087                                 wpa_printf(MSG_ERROR, "Line %d: unknown "
2088                                            "wpa_psk_radius %d",
2089                                            line, bss->wpa_psk_radius);
2090                                 errors++;
2091                         }
2092                 } else if (os_strcmp(buf, "wpa_pairwise") == 0) {
2093                         bss->wpa_pairwise =
2094                                 hostapd_config_parse_cipher(line, pos);
2095                         if (bss->wpa_pairwise == -1 ||
2096                             bss->wpa_pairwise == 0)
2097                                 errors++;
2098                         else if (bss->wpa_pairwise &
2099                                  (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
2100                                   WPA_CIPHER_WEP104)) {
2101                                 wpa_printf(MSG_ERROR, "Line %d: unsupported "
2102                                            "pairwise cipher suite '%s'",
2103                                            bss->wpa_pairwise, pos);
2104                                 errors++;
2105                         }
2106                 } else if (os_strcmp(buf, "rsn_pairwise") == 0) {
2107                         bss->rsn_pairwise =
2108                                 hostapd_config_parse_cipher(line, pos);
2109                         if (bss->rsn_pairwise == -1 ||
2110                             bss->rsn_pairwise == 0)
2111                                 errors++;
2112                         else if (bss->rsn_pairwise &
2113                                  (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
2114                                   WPA_CIPHER_WEP104)) {
2115                                 wpa_printf(MSG_ERROR, "Line %d: unsupported "
2116                                            "pairwise cipher suite '%s'",
2117                                            bss->rsn_pairwise, pos);
2118                                 errors++;
2119                         }
2120 #ifdef CONFIG_RSN_PREAUTH
2121                 } else if (os_strcmp(buf, "rsn_preauth") == 0) {
2122                         bss->rsn_preauth = atoi(pos);
2123                 } else if (os_strcmp(buf, "rsn_preauth_interfaces") == 0) {
2124                         bss->rsn_preauth_interfaces = os_strdup(pos);
2125 #endif /* CONFIG_RSN_PREAUTH */
2126 #ifdef CONFIG_PEERKEY
2127                 } else if (os_strcmp(buf, "peerkey") == 0) {
2128                         bss->peerkey = atoi(pos);
2129 #endif /* CONFIG_PEERKEY */
2130 #ifdef CONFIG_IEEE80211R
2131                 } else if (os_strcmp(buf, "mobility_domain") == 0) {
2132                         if (os_strlen(pos) != 2 * MOBILITY_DOMAIN_ID_LEN ||
2133                             hexstr2bin(pos, bss->mobility_domain,
2134                                        MOBILITY_DOMAIN_ID_LEN) != 0) {
2135                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
2136                                            "mobility_domain '%s'", line, pos);
2137                                 errors++;
2138                                 return errors;
2139                         }
2140                 } else if (os_strcmp(buf, "r1_key_holder") == 0) {
2141                         if (os_strlen(pos) != 2 * FT_R1KH_ID_LEN ||
2142                             hexstr2bin(pos, bss->r1_key_holder,
2143                                        FT_R1KH_ID_LEN) != 0) {
2144                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
2145                                            "r1_key_holder '%s'", line, pos);
2146                                 errors++;
2147                                 return errors;
2148                         }
2149                 } else if (os_strcmp(buf, "r0_key_lifetime") == 0) {
2150                         bss->r0_key_lifetime = atoi(pos);
2151                 } else if (os_strcmp(buf, "reassociation_deadline") == 0) {
2152                         bss->reassociation_deadline = atoi(pos);
2153                 } else if (os_strcmp(buf, "r0kh") == 0) {
2154                         if (add_r0kh(bss, pos) < 0) {
2155                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
2156                                            "r0kh '%s'", line, pos);
2157                                 errors++;
2158                                 return errors;
2159                         }
2160                 } else if (os_strcmp(buf, "r1kh") == 0) {
2161                         if (add_r1kh(bss, pos) < 0) {
2162                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
2163                                            "r1kh '%s'", line, pos);
2164                                 errors++;
2165                                 return errors;
2166                         }
2167                 } else if (os_strcmp(buf, "pmk_r1_push") == 0) {
2168                         bss->pmk_r1_push = atoi(pos);
2169                 } else if (os_strcmp(buf, "ft_over_ds") == 0) {
2170                         bss->ft_over_ds = atoi(pos);
2171 #endif /* CONFIG_IEEE80211R */
2172 #ifndef CONFIG_NO_CTRL_IFACE
2173                 } else if (os_strcmp(buf, "ctrl_interface") == 0) {
2174                         os_free(bss->ctrl_interface);
2175                         bss->ctrl_interface = os_strdup(pos);
2176                 } else if (os_strcmp(buf, "ctrl_interface_group") == 0) {
2177 #ifndef CONFIG_NATIVE_WINDOWS
2178                         struct group *grp;
2179                         char *endp;
2180                         const char *group = pos;
2181
2182                         grp = getgrnam(group);
2183                         if (grp) {
2184                                 bss->ctrl_interface_gid = grp->gr_gid;
2185                                 bss->ctrl_interface_gid_set = 1;
2186                                 wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d"
2187                                            " (from group name '%s')",
2188                                            bss->ctrl_interface_gid, group);
2189                                 return errors;
2190                         }
2191
2192                         /* Group name not found - try to parse this as gid */
2193                         bss->ctrl_interface_gid = strtol(group, &endp, 10);
2194                         if (*group == '\0' || *endp != '\0') {
2195                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid group "
2196                                            "'%s'", line, group);
2197                                 errors++;
2198                                 return errors;
2199                         }
2200                         bss->ctrl_interface_gid_set = 1;
2201                         wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d",
2202                                    bss->ctrl_interface_gid);
2203 #endif /* CONFIG_NATIVE_WINDOWS */
2204 #endif /* CONFIG_NO_CTRL_IFACE */
2205 #ifdef RADIUS_SERVER
2206                 } else if (os_strcmp(buf, "radius_server_clients") == 0) {
2207                         os_free(bss->radius_server_clients);
2208                         bss->radius_server_clients = os_strdup(pos);
2209                 } else if (os_strcmp(buf, "radius_server_auth_port") == 0) {
2210                         bss->radius_server_auth_port = atoi(pos);
2211                 } else if (os_strcmp(buf, "radius_server_acct_port") == 0) {
2212                         bss->radius_server_acct_port = atoi(pos);
2213                 } else if (os_strcmp(buf, "radius_server_ipv6") == 0) {
2214                         bss->radius_server_ipv6 = atoi(pos);
2215 #endif /* RADIUS_SERVER */
2216                 } else if (os_strcmp(buf, "test_socket") == 0) {
2217                         os_free(bss->test_socket);
2218                         bss->test_socket = os_strdup(pos);
2219                 } else if (os_strcmp(buf, "use_pae_group_addr") == 0) {
2220                         bss->use_pae_group_addr = atoi(pos);
2221                 } else if (os_strcmp(buf, "hw_mode") == 0) {
2222                         if (os_strcmp(pos, "a") == 0)
2223                                 conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
2224                         else if (os_strcmp(pos, "b") == 0)
2225                                 conf->hw_mode = HOSTAPD_MODE_IEEE80211B;
2226                         else if (os_strcmp(pos, "g") == 0)
2227                                 conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
2228                         else if (os_strcmp(pos, "ad") == 0)
2229                                 conf->hw_mode = HOSTAPD_MODE_IEEE80211AD;
2230                         else {
2231                                 wpa_printf(MSG_ERROR, "Line %d: unknown "
2232                                            "hw_mode '%s'", line, pos);
2233                                 errors++;
2234                         }
2235                 } else if (os_strcmp(buf, "wps_rf_bands") == 0) {
2236                         if (os_strcmp(pos, "a") == 0)
2237                                 bss->wps_rf_bands = WPS_RF_50GHZ;
2238                         else if (os_strcmp(pos, "g") == 0 ||
2239                                  os_strcmp(pos, "b") == 0)
2240                                 bss->wps_rf_bands = WPS_RF_24GHZ;
2241                         else if (os_strcmp(pos, "ag") == 0 ||
2242                                  os_strcmp(pos, "ga") == 0)
2243                                 bss->wps_rf_bands =
2244                                         WPS_RF_24GHZ | WPS_RF_50GHZ;
2245                         else {
2246                                 wpa_printf(MSG_ERROR, "Line %d: unknown "
2247                                            "wps_rf_band '%s'", line, pos);
2248                                 errors++;
2249                         }
2250                 } else if (os_strcmp(buf, "channel") == 0) {
2251                         if (os_strcmp(pos, "acs_survey") == 0) {
2252 #ifndef CONFIG_ACS
2253                                 wpa_printf(MSG_ERROR, "Line %d: tries to enable ACS but CONFIG_ACS disabled",
2254                                            line);
2255                                 errors++;
2256 #endif /* CONFIG_ACS */
2257                                 conf->channel = 0;
2258                         } else
2259                                 conf->channel = atoi(pos);
2260                 } else if (os_strcmp(buf, "beacon_int") == 0) {
2261                         int val = atoi(pos);
2262                         /* MIB defines range as 1..65535, but very small values
2263                          * cause problems with the current implementation.
2264                          * Since it is unlikely that this small numbers are
2265                          * useful in real life scenarios, do not allow beacon
2266                          * period to be set below 15 TU. */
2267                         if (val < 15 || val > 65535) {
2268                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2269                                            "beacon_int %d (expected "
2270                                            "15..65535)", line, val);
2271                                 errors++;
2272                         } else
2273                                 conf->beacon_int = val;
2274 #ifdef CONFIG_ACS
2275                 } else if (os_strcmp(buf, "acs_num_scans") == 0) {
2276                         int val = atoi(pos);
2277                         if (val <= 0 || val > 100) {
2278                                 wpa_printf(MSG_ERROR, "Line %d: invalid acs_num_scans %d (expected 1..100)",
2279                                            line, val);
2280                                 errors++;
2281                         } else
2282                                 conf->acs_num_scans = val;
2283 #endif /* CONFIG_ACS */
2284                 } else if (os_strcmp(buf, "dtim_period") == 0) {
2285                         bss->dtim_period = atoi(pos);
2286                         if (bss->dtim_period < 1 || bss->dtim_period > 255) {
2287                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2288                                            "dtim_period %d",
2289                                            line, bss->dtim_period);
2290                                 errors++;
2291                         }
2292                 } else if (os_strcmp(buf, "rts_threshold") == 0) {
2293                         conf->rts_threshold = atoi(pos);
2294                         if (conf->rts_threshold < 0 ||
2295                             conf->rts_threshold > 2347) {
2296                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2297                                            "rts_threshold %d",
2298                                            line, conf->rts_threshold);
2299                                 errors++;
2300                         }
2301                 } else if (os_strcmp(buf, "fragm_threshold") == 0) {
2302                         conf->fragm_threshold = atoi(pos);
2303                         if (conf->fragm_threshold < 256 ||
2304                             conf->fragm_threshold > 2346) {
2305                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2306                                            "fragm_threshold %d",
2307                                            line, conf->fragm_threshold);
2308                                 errors++;
2309                         }
2310                 } else if (os_strcmp(buf, "send_probe_response") == 0) {
2311                         int val = atoi(pos);
2312                         if (val != 0 && val != 1) {
2313                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2314                                            "send_probe_response %d (expected "
2315                                            "0 or 1)", line, val);
2316                         } else
2317                                 conf->send_probe_response = val;
2318                 } else if (os_strcmp(buf, "supported_rates") == 0) {
2319                         if (hostapd_parse_intlist(&conf->supported_rates, pos))
2320                         {
2321                                 wpa_printf(MSG_ERROR, "Line %d: invalid rate "
2322                                            "list", line);
2323                                 errors++;
2324                         }
2325                 } else if (os_strcmp(buf, "basic_rates") == 0) {
2326                         if (hostapd_parse_intlist(&conf->basic_rates, pos)) {
2327                                 wpa_printf(MSG_ERROR, "Line %d: invalid rate "
2328                                            "list", line);
2329                                 errors++;
2330                         }
2331                 } else if (os_strcmp(buf, "preamble") == 0) {
2332                         if (atoi(pos))
2333                                 conf->preamble = SHORT_PREAMBLE;
2334                         else
2335                                 conf->preamble = LONG_PREAMBLE;
2336                 } else if (os_strcmp(buf, "ignore_broadcast_ssid") == 0) {
2337                         bss->ignore_broadcast_ssid = atoi(pos);
2338                 } else if (os_strcmp(buf, "wep_default_key") == 0) {
2339                         bss->ssid.wep.idx = atoi(pos);
2340                         if (bss->ssid.wep.idx > 3) {
2341                                 wpa_printf(MSG_ERROR, "Invalid "
2342                                            "wep_default_key index %d",
2343                                            bss->ssid.wep.idx);
2344                                 errors++;
2345                         }
2346                 } else if (os_strcmp(buf, "wep_key0") == 0 ||
2347                            os_strcmp(buf, "wep_key1") == 0 ||
2348                            os_strcmp(buf, "wep_key2") == 0 ||
2349                            os_strcmp(buf, "wep_key3") == 0) {
2350                         if (hostapd_config_read_wep(&bss->ssid.wep,
2351                                                     buf[7] - '0', pos)) {
2352                                 wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
2353                                            "key '%s'", line, buf);
2354                                 errors++;
2355                         }
2356 #ifndef CONFIG_NO_VLAN
2357                 } else if (os_strcmp(buf, "dynamic_vlan") == 0) {
2358                         bss->ssid.dynamic_vlan = atoi(pos);
2359                 } else if (os_strcmp(buf, "vlan_file") == 0) {
2360                         if (hostapd_config_read_vlan_file(bss, pos)) {
2361                                 wpa_printf(MSG_ERROR, "Line %d: failed to "
2362                                            "read VLAN file '%s'", line, pos);
2363                                 errors++;
2364                         }
2365                 } else if (os_strcmp(buf, "vlan_naming") == 0) {
2366                         bss->ssid.vlan_naming = atoi(pos);
2367                         if (bss->ssid.vlan_naming >= DYNAMIC_VLAN_NAMING_END ||
2368                             bss->ssid.vlan_naming < 0) {
2369                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2370                                            "naming scheme %d", line,
2371                                            bss->ssid.vlan_naming);
2372                                 errors++;
2373                         }
2374 #ifdef CONFIG_FULL_DYNAMIC_VLAN
2375                 } else if (os_strcmp(buf, "vlan_tagged_interface") == 0) {
2376                         bss->ssid.vlan_tagged_interface = os_strdup(pos);
2377 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
2378 #endif /* CONFIG_NO_VLAN */
2379                 } else if (os_strcmp(buf, "ap_table_max_size") == 0) {
2380                         conf->ap_table_max_size = atoi(pos);
2381                 } else if (os_strcmp(buf, "ap_table_expiration_time") == 0) {
2382                         conf->ap_table_expiration_time = atoi(pos);
2383                 } else if (os_strncmp(buf, "tx_queue_", 9) == 0) {
2384                         if (hostapd_config_tx_queue(conf, buf, pos)) {
2385                                 wpa_printf(MSG_ERROR, "Line %d: invalid TX "
2386                                            "queue item", line);
2387                                 errors++;
2388                         }
2389                 } else if (os_strcmp(buf, "wme_enabled") == 0 ||
2390                            os_strcmp(buf, "wmm_enabled") == 0) {
2391                         bss->wmm_enabled = atoi(pos);
2392                 } else if (os_strcmp(buf, "uapsd_advertisement_enabled") == 0) {
2393                         bss->wmm_uapsd = atoi(pos);
2394                 } else if (os_strncmp(buf, "wme_ac_", 7) == 0 ||
2395                            os_strncmp(buf, "wmm_ac_", 7) == 0) {
2396                         if (hostapd_config_wmm_ac(conf->wmm_ac_params, buf,
2397                                                   pos)) {
2398                                 wpa_printf(MSG_ERROR, "Line %d: invalid WMM "
2399                                            "ac item", line);
2400                                 errors++;
2401                         }
2402                 } else if (os_strcmp(buf, "bss") == 0) {
2403                         if (hostapd_config_bss(conf, pos)) {
2404                                 wpa_printf(MSG_ERROR, "Line %d: invalid bss "
2405                                            "item", line);
2406                                 errors++;
2407                         }
2408                 } else if (os_strcmp(buf, "bssid") == 0) {
2409                         if (hwaddr_aton(pos, bss->bssid)) {
2410                                 wpa_printf(MSG_ERROR, "Line %d: invalid bssid "
2411                                            "item", line);
2412                                 errors++;
2413                         }
2414 #ifdef CONFIG_IEEE80211W
2415                 } else if (os_strcmp(buf, "ieee80211w") == 0) {
2416                         bss->ieee80211w = atoi(pos);
2417                 } else if (os_strcmp(buf, "assoc_sa_query_max_timeout") == 0) {
2418                         bss->assoc_sa_query_max_timeout = atoi(pos);
2419                         if (bss->assoc_sa_query_max_timeout == 0) {
2420                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2421                                            "assoc_sa_query_max_timeout", line);
2422                                 errors++;
2423                         }
2424                 } else if (os_strcmp(buf, "assoc_sa_query_retry_timeout") == 0)
2425                 {
2426                         bss->assoc_sa_query_retry_timeout = atoi(pos);
2427                         if (bss->assoc_sa_query_retry_timeout == 0) {
2428                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2429                                            "assoc_sa_query_retry_timeout",
2430                                            line);
2431                                 errors++;
2432                         }
2433 #endif /* CONFIG_IEEE80211W */
2434 #ifdef CONFIG_IEEE80211N
2435                 } else if (os_strcmp(buf, "ieee80211n") == 0) {
2436                         conf->ieee80211n = atoi(pos);
2437                 } else if (os_strcmp(buf, "ht_capab") == 0) {
2438                         if (hostapd_config_ht_capab(conf, pos) < 0) {
2439                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2440                                            "ht_capab", line);
2441                                 errors++;
2442                         }
2443                 } else if (os_strcmp(buf, "require_ht") == 0) {
2444                         conf->require_ht = atoi(pos);
2445                 } else if (os_strcmp(buf, "obss_interval") == 0) {
2446                         conf->obss_interval = atoi(pos);
2447 #endif /* CONFIG_IEEE80211N */
2448 #ifdef CONFIG_IEEE80211AC
2449                 } else if (os_strcmp(buf, "ieee80211ac") == 0) {
2450                         conf->ieee80211ac = atoi(pos);
2451                 } else if (os_strcmp(buf, "vht_capab") == 0) {
2452                         if (hostapd_config_vht_capab(conf, pos) < 0) {
2453                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2454                                            "vht_capab", line);
2455                                 errors++;
2456                         }
2457                 } else if (os_strcmp(buf, "require_vht") == 0) {
2458                         conf->require_vht = atoi(pos);
2459                 } else if (os_strcmp(buf, "vht_oper_chwidth") == 0) {
2460                         conf->vht_oper_chwidth = atoi(pos);
2461                 } else if (os_strcmp(buf, "vht_oper_centr_freq_seg0_idx") == 0)
2462                 {
2463                         conf->vht_oper_centr_freq_seg0_idx = atoi(pos);
2464                 } else if (os_strcmp(buf, "vht_oper_centr_freq_seg1_idx") == 0)
2465                 {
2466                         conf->vht_oper_centr_freq_seg1_idx = atoi(pos);
2467 #endif /* CONFIG_IEEE80211AC */
2468                 } else if (os_strcmp(buf, "max_listen_interval") == 0) {
2469                         bss->max_listen_interval = atoi(pos);
2470                 } else if (os_strcmp(buf, "disable_pmksa_caching") == 0) {
2471                         bss->disable_pmksa_caching = atoi(pos);
2472                 } else if (os_strcmp(buf, "okc") == 0) {
2473                         bss->okc = atoi(pos);
2474 #ifdef CONFIG_WPS
2475                 } else if (os_strcmp(buf, "wps_state") == 0) {
2476                         bss->wps_state = atoi(pos);
2477                         if (bss->wps_state < 0 || bss->wps_state > 2) {
2478                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2479                                            "wps_state", line);
2480                                 errors++;
2481                         }
2482                 } else if (os_strcmp(buf, "wps_independent") == 0) {
2483                         bss->wps_independent = atoi(pos);
2484                 } else if (os_strcmp(buf, "ap_setup_locked") == 0) {
2485                         bss->ap_setup_locked = atoi(pos);
2486                 } else if (os_strcmp(buf, "uuid") == 0) {
2487                         if (uuid_str2bin(pos, bss->uuid)) {
2488                                 wpa_printf(MSG_ERROR, "Line %d: invalid UUID",
2489                                            line);
2490                                 errors++;
2491                         }
2492                 } else if (os_strcmp(buf, "wps_pin_requests") == 0) {
2493                         os_free(bss->wps_pin_requests);
2494                         bss->wps_pin_requests = os_strdup(pos);
2495                 } else if (os_strcmp(buf, "device_name") == 0) {
2496                         if (os_strlen(pos) > 32) {
2497                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
2498                                            "device_name", line);
2499                                 errors++;
2500                         }
2501                         os_free(bss->device_name);
2502                         bss->device_name = os_strdup(pos);
2503                 } else if (os_strcmp(buf, "manufacturer") == 0) {
2504                         if (os_strlen(pos) > 64) {
2505                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
2506                                            "manufacturer", line);
2507                                 errors++;
2508                         }
2509                         os_free(bss->manufacturer);
2510                         bss->manufacturer = os_strdup(pos);
2511                 } else if (os_strcmp(buf, "model_name") == 0) {
2512                         if (os_strlen(pos) > 32) {
2513                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
2514                                            "model_name", line);
2515                                 errors++;
2516                         }
2517                         os_free(bss->model_name);
2518                         bss->model_name = os_strdup(pos);
2519                 } else if (os_strcmp(buf, "model_number") == 0) {
2520                         if (os_strlen(pos) > 32) {
2521                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
2522                                            "model_number", line);
2523                                 errors++;
2524                         }
2525                         os_free(bss->model_number);
2526                         bss->model_number = os_strdup(pos);
2527                 } else if (os_strcmp(buf, "serial_number") == 0) {
2528                         if (os_strlen(pos) > 32) {
2529                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
2530                                            "serial_number", line);
2531                                 errors++;
2532                         }
2533                         os_free(bss->serial_number);
2534                         bss->serial_number = os_strdup(pos);
2535                 } else if (os_strcmp(buf, "device_type") == 0) {
2536                         if (wps_dev_type_str2bin(pos, bss->device_type))
2537                                 errors++;
2538                 } else if (os_strcmp(buf, "config_methods") == 0) {
2539                         os_free(bss->config_methods);
2540                         bss->config_methods = os_strdup(pos);
2541                 } else if (os_strcmp(buf, "os_version") == 0) {
2542                         if (hexstr2bin(pos, bss->os_version, 4)) {
2543                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2544                                            "os_version", line);
2545                                 errors++;
2546                         }
2547                 } else if (os_strcmp(buf, "ap_pin") == 0) {
2548                         os_free(bss->ap_pin);
2549                         bss->ap_pin = os_strdup(pos);
2550                 } else if (os_strcmp(buf, "skip_cred_build") == 0) {
2551                         bss->skip_cred_build = atoi(pos);
2552                 } else if (os_strcmp(buf, "extra_cred") == 0) {
2553                         os_free(bss->extra_cred);
2554                         bss->extra_cred =
2555                                 (u8 *) os_readfile(pos, &bss->extra_cred_len);
2556                         if (bss->extra_cred == NULL) {
2557                                 wpa_printf(MSG_ERROR, "Line %d: could not "
2558                                            "read Credentials from '%s'",
2559                                            line, pos);
2560                                 errors++;
2561                         }
2562                 } else if (os_strcmp(buf, "wps_cred_processing") == 0) {
2563                         bss->wps_cred_processing = atoi(pos);
2564                 } else if (os_strcmp(buf, "ap_settings") == 0) {
2565                         os_free(bss->ap_settings);
2566                         bss->ap_settings =
2567                                 (u8 *) os_readfile(pos, &bss->ap_settings_len);
2568                         if (bss->ap_settings == NULL) {
2569                                 wpa_printf(MSG_ERROR, "Line %d: could not "
2570                                            "read AP Settings from '%s'",
2571                                            line, pos);
2572                                 errors++;
2573                         }
2574                 } else if (os_strcmp(buf, "upnp_iface") == 0) {
2575                         bss->upnp_iface = os_strdup(pos);
2576                 } else if (os_strcmp(buf, "friendly_name") == 0) {
2577                         os_free(bss->friendly_name);
2578                         bss->friendly_name = os_strdup(pos);
2579                 } else if (os_strcmp(buf, "manufacturer_url") == 0) {
2580                         os_free(bss->manufacturer_url);
2581                         bss->manufacturer_url = os_strdup(pos);
2582                 } else if (os_strcmp(buf, "model_description") == 0) {
2583                         os_free(bss->model_description);
2584                         bss->model_description = os_strdup(pos);
2585                 } else if (os_strcmp(buf, "model_url") == 0) {
2586                         os_free(bss->model_url);
2587                         bss->model_url = os_strdup(pos);
2588                 } else if (os_strcmp(buf, "upc") == 0) {
2589                         os_free(bss->upc);
2590                         bss->upc = os_strdup(pos);
2591                 } else if (os_strcmp(buf, "pbc_in_m1") == 0) {
2592                         bss->pbc_in_m1 = atoi(pos);
2593                 } else if (os_strcmp(buf, "server_id") == 0) {
2594                         os_free(bss->server_id);
2595                         bss->server_id = os_strdup(pos);
2596 #ifdef CONFIG_WPS_NFC
2597                 } else if (os_strcmp(buf, "wps_nfc_dev_pw_id") == 0) {
2598                         bss->wps_nfc_dev_pw_id = atoi(pos);
2599                         if (bss->wps_nfc_dev_pw_id < 0x10 ||
2600                             bss->wps_nfc_dev_pw_id > 0xffff) {
2601                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2602                                            "wps_nfc_dev_pw_id value", line);
2603                                 errors++;
2604                         }
2605                         bss->wps_nfc_pw_from_config = 1;
2606                 } else if (os_strcmp(buf, "wps_nfc_dh_pubkey") == 0) {
2607                         wpabuf_free(bss->wps_nfc_dh_pubkey);
2608                         bss->wps_nfc_dh_pubkey = hostapd_parse_bin(pos);
2609                         bss->wps_nfc_pw_from_config = 1;
2610                 } else if (os_strcmp(buf, "wps_nfc_dh_privkey") == 0) {
2611                         wpabuf_free(bss->wps_nfc_dh_privkey);
2612                         bss->wps_nfc_dh_privkey = hostapd_parse_bin(pos);
2613                         bss->wps_nfc_pw_from_config = 1;
2614                 } else if (os_strcmp(buf, "wps_nfc_dev_pw") == 0) {
2615                         wpabuf_free(bss->wps_nfc_dev_pw);
2616                         bss->wps_nfc_dev_pw = hostapd_parse_bin(pos);
2617                         bss->wps_nfc_pw_from_config = 1;
2618 #endif /* CONFIG_WPS_NFC */
2619 #endif /* CONFIG_WPS */
2620 #ifdef CONFIG_P2P_MANAGER
2621                 } else if (os_strcmp(buf, "manage_p2p") == 0) {
2622                         int manage = atoi(pos);
2623                         if (manage)
2624                                 bss->p2p |= P2P_MANAGE;
2625                         else
2626                                 bss->p2p &= ~P2P_MANAGE;
2627                 } else if (os_strcmp(buf, "allow_cross_connection") == 0) {
2628                         if (atoi(pos))
2629                                 bss->p2p |= P2P_ALLOW_CROSS_CONNECTION;
2630                         else
2631                                 bss->p2p &= ~P2P_ALLOW_CROSS_CONNECTION;
2632 #endif /* CONFIG_P2P_MANAGER */
2633                 } else if (os_strcmp(buf, "disassoc_low_ack") == 0) {
2634                         bss->disassoc_low_ack = atoi(pos);
2635                 } else if (os_strcmp(buf, "tdls_prohibit") == 0) {
2636                         int val = atoi(pos);
2637                         if (val)
2638                                 bss->tdls |= TDLS_PROHIBIT;
2639                         else
2640                                 bss->tdls &= ~TDLS_PROHIBIT;
2641                 } else if (os_strcmp(buf, "tdls_prohibit_chan_switch") == 0) {
2642                         int val = atoi(pos);
2643                         if (val)
2644                                 bss->tdls |= TDLS_PROHIBIT_CHAN_SWITCH;
2645                         else
2646                                 bss->tdls &= ~TDLS_PROHIBIT_CHAN_SWITCH;
2647 #ifdef CONFIG_RSN_TESTING
2648                 } else if (os_strcmp(buf, "rsn_testing") == 0) {
2649                         extern int rsn_testing;
2650                         rsn_testing = atoi(pos);
2651 #endif /* CONFIG_RSN_TESTING */
2652                 } else if (os_strcmp(buf, "time_advertisement") == 0) {
2653                         bss->time_advertisement = atoi(pos);
2654                 } else if (os_strcmp(buf, "time_zone") == 0) {
2655                         size_t tz_len = os_strlen(pos);
2656                         if (tz_len < 4 || tz_len > 255) {
2657                                 wpa_printf(MSG_DEBUG, "Line %d: invalid "
2658                                            "time_zone", line);
2659                                 errors++;
2660                                 return errors;
2661                         }
2662                         os_free(bss->time_zone);
2663                         bss->time_zone = os_strdup(pos);
2664                         if (bss->time_zone == NULL)
2665                                 errors++;
2666 #ifdef CONFIG_WNM
2667                 } else if (os_strcmp(buf, "wnm_sleep_mode") == 0) {
2668                         bss->wnm_sleep_mode = atoi(pos);
2669                 } else if (os_strcmp(buf, "bss_transition") == 0) {
2670                         bss->bss_transition = atoi(pos);
2671 #endif /* CONFIG_WNM */
2672 #ifdef CONFIG_INTERWORKING
2673                 } else if (os_strcmp(buf, "interworking") == 0) {
2674                         bss->interworking = atoi(pos);
2675                 } else if (os_strcmp(buf, "access_network_type") == 0) {
2676                         bss->access_network_type = atoi(pos);
2677                         if (bss->access_network_type < 0 ||
2678                             bss->access_network_type > 15) {
2679                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2680                                            "access_network_type", line);
2681                                 errors++;
2682                         }
2683                 } else if (os_strcmp(buf, "internet") == 0) {
2684                         bss->internet = atoi(pos);
2685                 } else if (os_strcmp(buf, "asra") == 0) {
2686                         bss->asra = atoi(pos);
2687                 } else if (os_strcmp(buf, "esr") == 0) {
2688                         bss->esr = atoi(pos);
2689                 } else if (os_strcmp(buf, "uesa") == 0) {
2690                         bss->uesa = atoi(pos);
2691                 } else if (os_strcmp(buf, "venue_group") == 0) {
2692                         bss->venue_group = atoi(pos);
2693                         bss->venue_info_set = 1;
2694                 } else if (os_strcmp(buf, "venue_type") == 0) {
2695                         bss->venue_type = atoi(pos);
2696                         bss->venue_info_set = 1;
2697                 } else if (os_strcmp(buf, "hessid") == 0) {
2698                         if (hwaddr_aton(pos, bss->hessid)) {
2699                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2700                                            "hessid", line);
2701                                 errors++;
2702                         }
2703                 } else if (os_strcmp(buf, "roaming_consortium") == 0) {
2704                         if (parse_roaming_consortium(bss, pos, line) < 0)
2705                                 errors++;
2706                 } else if (os_strcmp(buf, "venue_name") == 0) {
2707                         if (parse_venue_name(bss, pos, line) < 0)
2708                                 errors++;
2709                 } else if (os_strcmp(buf, "network_auth_type") == 0) {
2710                         u8 auth_type;
2711                         u16 redirect_url_len;
2712                         if (hexstr2bin(pos, &auth_type, 1)) {
2713                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2714                                            "network_auth_type '%s'",
2715                                            line, pos);
2716                                 errors++;
2717                                 return errors;
2718                         }
2719                         if (auth_type == 0 || auth_type == 2)
2720                                 redirect_url_len = os_strlen(pos + 2);
2721                         else
2722                                 redirect_url_len = 0;
2723                         os_free(bss->network_auth_type);
2724                         bss->network_auth_type =
2725                                 os_malloc(redirect_url_len + 3 + 1);
2726                         if (bss->network_auth_type == NULL) {
2727                                 errors++;
2728                                 return errors;
2729                         }
2730                         *bss->network_auth_type = auth_type;
2731                         WPA_PUT_LE16(bss->network_auth_type + 1,
2732                                      redirect_url_len);
2733                         if (redirect_url_len)
2734                                 os_memcpy(bss->network_auth_type + 3,
2735                                           pos + 2, redirect_url_len);
2736                         bss->network_auth_type_len = 3 + redirect_url_len;
2737                 } else if (os_strcmp(buf, "ipaddr_type_availability") == 0) {
2738                         if (hexstr2bin(pos, &bss->ipaddr_type_availability, 1))
2739                         {
2740                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2741                                            "ipaddr_type_availability '%s'",
2742                                            line, pos);
2743                                 bss->ipaddr_type_configured = 0;
2744                                 errors++;
2745                                 return errors;
2746                         }
2747                         bss->ipaddr_type_configured = 1;
2748                 } else if (os_strcmp(buf, "domain_name") == 0) {
2749                         int j, num_domains, domain_len, domain_list_len = 0;
2750                         char *tok_start, *tok_prev;
2751                         u8 *domain_list, *domain_ptr;
2752
2753                         domain_list_len = os_strlen(pos) + 1;
2754                         domain_list = os_malloc(domain_list_len);
2755                         if (domain_list == NULL) {
2756                                 errors++;
2757                                 return errors;
2758                         }
2759
2760                         domain_ptr = domain_list;
2761                         tok_prev = pos;
2762                         num_domains = 1;
2763                         while ((tok_prev = os_strchr(tok_prev, ','))) {
2764                                 num_domains++;
2765                                 tok_prev++;
2766                         }
2767                         tok_prev = pos;
2768                         for (j = 0; j < num_domains; j++) {
2769                                 tok_start = os_strchr(tok_prev, ',');
2770                                 if (tok_start) {
2771                                         domain_len = tok_start - tok_prev;
2772                                         *domain_ptr = domain_len;
2773                                         os_memcpy(domain_ptr + 1, tok_prev,
2774                                                   domain_len);
2775                                         domain_ptr += domain_len + 1;
2776                                         tok_prev = ++tok_start;
2777                                 } else {
2778                                         domain_len = os_strlen(tok_prev);
2779                                         *domain_ptr = domain_len;
2780                                         os_memcpy(domain_ptr + 1, tok_prev,
2781                                                   domain_len);
2782                                         domain_ptr += domain_len + 1;
2783                                 }
2784                         }
2785
2786                         os_free(bss->domain_name);
2787                         bss->domain_name = domain_list;
2788                         bss->domain_name_len = domain_list_len;
2789                 } else if (os_strcmp(buf, "anqp_3gpp_cell_net") == 0) {
2790                         if (parse_3gpp_cell_net(bss, pos, line) < 0)
2791                                 errors++;
2792                 } else if (os_strcmp(buf, "nai_realm") == 0) {
2793                         if (parse_nai_realm(bss, pos, line) < 0)
2794                                 errors++;
2795                 } else if (os_strcmp(buf, "gas_frag_limit") == 0) {
2796                         bss->gas_frag_limit = atoi(pos);
2797                 } else if (os_strcmp(buf, "gas_comeback_delay") == 0) {
2798                         bss->gas_comeback_delay = atoi(pos);
2799                 } else if (os_strcmp(buf, "qos_map_set") == 0) {
2800                         if (parse_qos_map_set(bss, pos, line) < 0)
2801                                 errors++;
2802 #endif /* CONFIG_INTERWORKING */
2803 #ifdef CONFIG_RADIUS_TEST
2804                 } else if (os_strcmp(buf, "dump_msk_file") == 0) {
2805                         os_free(bss->dump_msk_file);
2806                         bss->dump_msk_file = os_strdup(pos);
2807 #endif /* CONFIG_RADIUS_TEST */
2808 #ifdef CONFIG_HS20
2809                 } else if (os_strcmp(buf, "hs20") == 0) {
2810                         bss->hs20 = atoi(pos);
2811                 } else if (os_strcmp(buf, "disable_dgaf") == 0) {
2812                         bss->disable_dgaf = atoi(pos);
2813                 } else if (os_strcmp(buf, "anqp_domain_id") == 0) {
2814                         bss->anqp_domain_id = atoi(pos);
2815                 } else if (os_strcmp(buf, "hs20_oper_friendly_name") == 0) {
2816                         if (hs20_parse_oper_friendly_name(bss, pos, line) < 0)
2817                                 errors++;
2818                 } else if (os_strcmp(buf, "hs20_wan_metrics") == 0) {
2819                         if (hs20_parse_wan_metrics(bss, pos, line) < 0) {
2820                                 errors++;
2821                                 return errors;
2822                         }
2823                 } else if (os_strcmp(buf, "hs20_conn_capab") == 0) {
2824                         if (hs20_parse_conn_capab(bss, pos, line) < 0) {
2825                                 errors++;
2826                                 return errors;
2827                         }
2828                 } else if (os_strcmp(buf, "hs20_operating_class") == 0) {
2829                         u8 *oper_class;
2830                         size_t oper_class_len;
2831                         oper_class_len = os_strlen(pos);
2832                         if (oper_class_len < 2 || (oper_class_len & 0x01)) {
2833                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2834                                            "hs20_operating_class '%s'",
2835                                            line, pos);
2836                                 errors++;
2837                                 return errors;
2838                         }
2839                         oper_class_len /= 2;
2840                         oper_class = os_malloc(oper_class_len);
2841                         if (oper_class == NULL) {
2842                                 errors++;
2843                                 return errors;
2844                         }
2845                         if (hexstr2bin(pos, oper_class, oper_class_len)) {
2846                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2847                                            "hs20_operating_class '%s'",
2848                                            line, pos);
2849                                 os_free(oper_class);
2850                                 errors++;
2851                                 return errors;
2852                         }
2853                         os_free(bss->hs20_operating_class);
2854                         bss->hs20_operating_class = oper_class;
2855                         bss->hs20_operating_class_len = oper_class_len;
2856 #endif /* CONFIG_HS20 */
2857 #ifdef CONFIG_TESTING_OPTIONS
2858 #define PARSE_TEST_PROBABILITY(_val)                                    \
2859                 } else if (os_strcmp(buf, #_val) == 0) {                \
2860                         char *end;                                      \
2861                                                                         \
2862                         conf->_val = strtod(pos, &end);                 \
2863                         if (*end || conf->_val < 0.0d ||                \
2864                             conf->_val > 1.0d) {                        \
2865                                 wpa_printf(MSG_ERROR,                   \
2866                                            "Line %d: Invalid value '%s'", \
2867                                            line, pos);                  \
2868                                 errors++;                               \
2869                                 return errors;                          \
2870                         }
2871                 PARSE_TEST_PROBABILITY(ignore_probe_probability)
2872                 PARSE_TEST_PROBABILITY(ignore_auth_probability)
2873                 PARSE_TEST_PROBABILITY(ignore_assoc_probability)
2874                 PARSE_TEST_PROBABILITY(ignore_reassoc_probability)
2875                 PARSE_TEST_PROBABILITY(corrupt_gtk_rekey_mic_probability)
2876                 } else if (os_strcmp(buf, "bss_load_test") == 0) {
2877                         WPA_PUT_LE16(bss->bss_load_test, atoi(pos));
2878                         pos = os_strchr(pos, ':');
2879                         if (pos == NULL) {
2880                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2881                                            "bss_load_test", line);
2882                                 return 1;
2883                         }
2884                         pos++;
2885                         bss->bss_load_test[2] = atoi(pos);
2886                         pos = os_strchr(pos, ':');
2887                         if (pos == NULL) {
2888                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2889                                            "bss_load_test", line);
2890                                 return 1;
2891                         }
2892                         pos++;
2893                         WPA_PUT_LE16(&bss->bss_load_test[3], atoi(pos));
2894                         bss->bss_load_test_set = 1;
2895 #endif /* CONFIG_TESTING_OPTIONS */
2896                 } else if (os_strcmp(buf, "vendor_elements") == 0) {
2897                         struct wpabuf *elems;
2898                         size_t len = os_strlen(pos);
2899                         if (len & 0x01) {
2900                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2901                                            "vendor_elements '%s'", line, pos);
2902                                 return 1;
2903                         }
2904                         len /= 2;
2905                         if (len == 0) {
2906                                 wpabuf_free(bss->vendor_elements);
2907                                 bss->vendor_elements = NULL;
2908                                 return 0;
2909                         }
2910
2911                         elems = wpabuf_alloc(len);
2912                         if (elems == NULL)
2913                                 return 1;
2914
2915                         if (hexstr2bin(pos, wpabuf_put(elems, len), len)) {
2916                                 wpabuf_free(elems);
2917                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2918                                            "vendor_elements '%s'", line, pos);
2919                                 return 1;
2920                         }
2921
2922                         wpabuf_free(bss->vendor_elements);
2923                         bss->vendor_elements = elems;
2924                 } else if (os_strcmp(buf, "sae_anti_clogging_threshold") == 0) {
2925                         bss->sae_anti_clogging_threshold = atoi(pos);
2926                 } else if (os_strcmp(buf, "sae_groups") == 0) {
2927                         if (hostapd_parse_intlist(&bss->sae_groups, pos)) {
2928                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2929                                            "sae_groups value '%s'", line, pos);
2930                                 return 1;
2931                         }
2932                 } else if (os_strcmp(buf, "local_pwr_constraint") == 0) {
2933                         int val = atoi(pos);
2934                         if (val < 0 || val > 255) {
2935                                 wpa_printf(MSG_ERROR, "Line %d: Invalid local_pwr_constraint %d (expected 0..255)",
2936                                            line, val);
2937                                 return 1;
2938                         }
2939                         conf->local_pwr_constraint = val;
2940                 } else if (os_strcmp(buf, "spectrum_mgmt_required") == 0) {
2941                         conf->spectrum_mgmt_required = atoi(pos);
2942                 } else {
2943                         wpa_printf(MSG_ERROR, "Line %d: unknown configuration "
2944                                    "item '%s'", line, buf);
2945                         errors++;
2946                 }
2947         }
2948
2949         return errors;
2950 }
2951
2952
2953 /**
2954  * hostapd_config_read - Read and parse a configuration file
2955  * @fname: Configuration file name (including path, if needed)
2956  * Returns: Allocated configuration data structure
2957  */
2958 struct hostapd_config * hostapd_config_read(const char *fname)
2959 {
2960         struct hostapd_config *conf;
2961         struct hostapd_bss_config *bss;
2962         FILE *f;
2963         char buf[512], *pos;
2964         int line = 0;
2965         int errors = 0;
2966         size_t i;
2967
2968         f = fopen(fname, "r");
2969         if (f == NULL) {
2970                 wpa_printf(MSG_ERROR, "Could not open configuration file '%s' "
2971                            "for reading.", fname);
2972                 return NULL;
2973         }
2974
2975         conf = hostapd_config_defaults();
2976         if (conf == NULL) {
2977                 fclose(f);
2978                 return NULL;
2979         }
2980
2981         /* set default driver based on configuration */
2982         conf->driver = wpa_drivers[0];
2983         if (conf->driver == NULL) {
2984                 wpa_printf(MSG_ERROR, "No driver wrappers registered!");
2985                 hostapd_config_free(conf);
2986                 fclose(f);
2987                 return NULL;
2988         }
2989
2990         bss = conf->last_bss = conf->bss[0];
2991
2992         while (fgets(buf, sizeof(buf), f)) {
2993                 bss = conf->last_bss;
2994                 line++;
2995
2996                 if (buf[0] == '#')
2997                         continue;
2998                 pos = buf;
2999                 while (*pos != '\0') {
3000                         if (*pos == '\n') {
3001                                 *pos = '\0';
3002                                 break;
3003                         }
3004                         pos++;
3005                 }
3006                 if (buf[0] == '\0')
3007                         continue;
3008
3009                 pos = os_strchr(buf, '=');
3010                 if (pos == NULL) {
3011                         wpa_printf(MSG_ERROR, "Line %d: invalid line '%s'",
3012                                    line, buf);
3013                         errors++;
3014                         continue;
3015                 }
3016                 *pos = '\0';
3017                 pos++;
3018                 errors += hostapd_config_fill(conf, bss, buf, pos, line);
3019         }
3020
3021         fclose(f);
3022
3023         for (i = 0; i < conf->num_bss; i++)
3024                 hostapd_set_security_params(conf->bss[i]);
3025
3026         if (hostapd_config_check(conf, 1))
3027                 errors++;
3028
3029 #ifndef WPA_IGNORE_CONFIG_ERRORS
3030         if (errors) {
3031                 wpa_printf(MSG_ERROR, "%d errors found in configuration file "
3032                            "'%s'", errors, fname);
3033                 hostapd_config_free(conf);
3034                 conf = NULL;
3035         }
3036 #endif /* WPA_IGNORE_CONFIG_ERRORS */
3037
3038         return conf;
3039 }
3040
3041
3042 int hostapd_set_iface(struct hostapd_config *conf,
3043                       struct hostapd_bss_config *bss, char *field, char *value)
3044 {
3045         int errors;
3046         size_t i;
3047
3048         errors = hostapd_config_fill(conf, bss, field, value, 0);
3049         if (errors) {
3050                 wpa_printf(MSG_INFO, "Failed to set configuration field '%s' "
3051                            "to value '%s'", field, value);
3052                 return -1;
3053         }
3054
3055         for (i = 0; i < conf->num_bss; i++)
3056                 hostapd_set_security_params(conf->bss[i]);
3057
3058         if (hostapd_config_check(conf, 0)) {
3059                 wpa_printf(MSG_ERROR, "Configuration check failed");
3060                 return -1;
3061         }
3062
3063         return 0;
3064 }