hostapd/config_file.c

   1 /*
   2  * hostapd / Configuration file parser
   3  * Copyright (c) 2003-2013, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "utils/includes.h"
  10 #ifndef CONFIG_NATIVE_WINDOWS
  11 #include <grp.h>
  12 #endif /* CONFIG_NATIVE_WINDOWS */
  13
  14 #include "utils/common.h"
  15 #include "utils/uuid.h"
  16 #include "common/ieee802_11_defs.h"
  17 #include "drivers/driver.h"
  18 #include "eap_server/eap.h"
  19 #include "radius/radius_client.h"
  20 #include "ap/wpa_auth.h"
  21 #include "ap/ap_config.h"
  22 #include "config_file.h"
  23
  24
  25 extern struct wpa_driver_ops *wpa_drivers[];
  26
  27
  28 #ifndef CONFIG_NO_VLAN
  29 static int hostapd_config_read_vlan_file(struct hostapd_bss_config *bss,
  30                                          const char *fname)
  31 {
  32         FILE *f;
  33         char buf[128], *pos, *pos2;
  34         int line = 0, vlan_id;
  35         struct hostapd_vlan *vlan;
  36
  37         f = fopen(fname, "r");
  38         if (!f) {
  39                 wpa_printf(MSG_ERROR, "VLAN file '%s' not readable.", fname);
  40                 return -1;
  41         }
  42
  43         while (fgets(buf, sizeof(buf), f)) {
  44                 line++;
  45
  46                 if (buf[0] == '#')
  47                         continue;
  48                 pos = buf;
  49                 while (*pos != '\0') {
  50                         if (*pos == '\n') {
  51                                 *pos = '\0';
  52                                 break;
  53                         }
  54                         pos++;
  55                 }
  56                 if (buf[0] == '\0')
  57                         continue;
  58
  59                 if (buf[0] == '*') {
  60                         vlan_id = VLAN_ID_WILDCARD;
  61                         pos = buf + 1;
  62                 } else {
  63                         vlan_id = strtol(buf, &pos, 10);
  64                         if (buf == pos || vlan_id < 1 ||
  65                             vlan_id > MAX_VLAN_ID) {
  66                                 wpa_printf(MSG_ERROR, "Invalid VLAN ID at "
  67                                            "line %d in '%s'", line, fname);
  68                                 fclose(f);
  69                                 return -1;
  70                         }
  71                 }
  72
  73                 while (*pos == ' ' || *pos == '\t')
  74                         pos++;
  75                 pos2 = pos;
  76                 while (*pos2 != ' ' && *pos2 != '\t' && *pos2 != '\0')
  77                         pos2++;
  78                 *pos2 = '\0';
  79                 if (*pos == '\0' || os_strlen(pos) > IFNAMSIZ) {
  80                         wpa_printf(MSG_ERROR, "Invalid VLAN ifname at line %d "
  81                                    "in '%s'", line, fname);
  82                         fclose(f);
  83                         return -1;
  84                 }
  85
  86                 vlan = os_zalloc(sizeof(*vlan));
  87                 if (vlan == NULL) {
  88                         wpa_printf(MSG_ERROR, "Out of memory while reading "
  89                                    "VLAN interfaces from '%s'", fname);
  90                         fclose(f);
  91                         return -1;
  92                 }
  93
  94                 vlan->vlan_id = vlan_id;
  95                 os_strlcpy(vlan->ifname, pos, sizeof(vlan->ifname));
  96                 if (bss->vlan_tail)
  97                         bss->vlan_tail->next = vlan;
  98                 else
  99                         bss->vlan = vlan;
 100                 bss->vlan_tail = vlan;
 101         }
 102
 103         fclose(f);
 104
 105         return 0;
 106 }
 107 #endif /* CONFIG_NO_VLAN */
 108
 109
 110 static int hostapd_acl_comp(const void *a, const void *b)
 111 {
 112         const struct mac_acl_entry *aa = a;
 113         const struct mac_acl_entry *bb = b;
 114         return os_memcmp(aa->addr, bb->addr, sizeof(macaddr));
 115 }
 116
 117
 118 static int hostapd_config_read_maclist(const char *fname,
 119                                        struct mac_acl_entry **acl, int *num)
 120 {
 121         FILE *f;
 122         char buf[128], *pos;
 123         int line = 0;
 124         u8 addr[ETH_ALEN];
 125         struct mac_acl_entry *newacl;
 126         int vlan_id;
 127
 128         if (!fname)
 129                 return 0;
 130
 131         f = fopen(fname, "r");
 132         if (!f) {
 133                 wpa_printf(MSG_ERROR, "MAC list file '%s' not found.", fname);
 134                 return -1;
 135         }
 136
 137         while (fgets(buf, sizeof(buf), f)) {
 138                 line++;
 139
 140                 if (buf[0] == '#')
 141                         continue;
 142                 pos = buf;
 143                 while (*pos != '\0') {
 144                         if (*pos == '\n') {
 145                                 *pos = '\0';
 146                                 break;
 147                         }
 148                         pos++;
 149                 }
 150                 if (buf[0] == '\0')
 151                         continue;
 152
 153                 if (hwaddr_aton(buf, addr)) {
 154                         wpa_printf(MSG_ERROR, "Invalid MAC address '%s' at "
 155                                    "line %d in '%s'", buf, line, fname);
 156                         fclose(f);
 157                         return -1;
 158                 }
 159
 160                 vlan_id = 0;
 161                 pos = buf;
 162                 while (*pos != '\0' && *pos != ' ' && *pos != '\t')
 163                         pos++;
 164                 while (*pos == ' ' || *pos == '\t')
 165                         pos++;
 166                 if (*pos != '\0')
 167                         vlan_id = atoi(pos);
 168
 169                 newacl = os_realloc_array(*acl, *num + 1, sizeof(**acl));
 170                 if (newacl == NULL) {
 171                         wpa_printf(MSG_ERROR, "MAC list reallocation failed");
 172                         fclose(f);
 173                         return -1;
 174                 }
 175
 176                 *acl = newacl;
 177                 os_memcpy((*acl)[*num].addr, addr, ETH_ALEN);
 178                 (*acl)[*num].vlan_id = vlan_id;
 179                 (*num)++;
 180         }
 181
 182         fclose(f);
 183
 184         qsort(*acl, *num, sizeof(**acl), hostapd_acl_comp);
 185
 186         return 0;
 187 }
 188
 189
 190 #ifdef EAP_SERVER
 191 static int hostapd_config_read_eap_user(const char *fname,
 192                                         struct hostapd_bss_config *conf)
 193 {
 194         FILE *f;
 195         char buf[512], *pos, *start, *pos2;
 196         int line = 0, ret = 0, num_methods;
 197         struct hostapd_eap_user *user, *tail = NULL;
 198
 199         if (!fname)
 200                 return 0;
 201
 202         if (os_strncmp(fname, "sqlite:", 7) == 0) {
 203                 os_free(conf->eap_user_sqlite);
 204                 conf->eap_user_sqlite = os_strdup(fname + 7);
 205                 return 0;
 206         }
 207
 208         f = fopen(fname, "r");
 209         if (!f) {
 210                 wpa_printf(MSG_ERROR, "EAP user file '%s' not found.", fname);
 211                 return -1;
 212         }
 213
 214         /* Lines: "user" METHOD,METHOD2 "password" (password optional) */
 215         while (fgets(buf, sizeof(buf), f)) {
 216                 line++;
 217
 218                 if (buf[0] == '#')
 219                         continue;
 220                 pos = buf;
 221                 while (*pos != '\0') {
 222                         if (*pos == '\n') {
 223                                 *pos = '\0';
 224                                 break;
 225                         }
 226                         pos++;
 227                 }
 228                 if (buf[0] == '\0')
 229                         continue;
 230
 231                 user = NULL;
 232
 233                 if (buf[0] != '"' && buf[0] != '*') {
 234                         wpa_printf(MSG_ERROR, "Invalid EAP identity (no \" in "
 235                                    "start) on line %d in '%s'", line, fname);
 236                         goto failed;
 237                 }
 238
 239                 user = os_zalloc(sizeof(*user));
 240                 if (user == NULL) {
 241                         wpa_printf(MSG_ERROR, "EAP user allocation failed");
 242                         goto failed;
 243                 }
 244                 user->force_version = -1;
 245
 246                 if (buf[0] == '*') {
 247                         pos = buf;
 248                 } else {
 249                         pos = buf + 1;
 250                         start = pos;
 251                         while (*pos != '"' && *pos != '\0')
 252                                 pos++;
 253                         if (*pos == '\0') {
 254                                 wpa_printf(MSG_ERROR, "Invalid EAP identity "
 255                                            "(no \" in end) on line %d in '%s'",
 256                                            line, fname);
 257                                 goto failed;
 258                         }
 259
 260                         user->identity = os_malloc(pos - start);
 261                         if (user->identity == NULL) {
 262                                 wpa_printf(MSG_ERROR, "Failed to allocate "
 263                                            "memory for EAP identity");
 264                                 goto failed;
 265                         }
 266                         os_memcpy(user->identity, start, pos - start);
 267                         user->identity_len = pos - start;
 268
 269                         if (pos[0] == '"' && pos[1] == '*') {
 270                                 user->wildcard_prefix = 1;
 271                                 pos++;
 272                         }
 273                 }
 274                 pos++;
 275                 while (*pos == ' ' || *pos == '\t')
 276                         pos++;
 277
 278                 if (*pos == '\0') {
 279                         wpa_printf(MSG_ERROR, "No EAP method on line %d in "
 280                                    "'%s'", line, fname);
 281                         goto failed;
 282                 }
 283
 284                 start = pos;
 285                 while (*pos != ' ' && *pos != '\t' && *pos != '\0')
 286                         pos++;
 287                 if (*pos == '\0') {
 288                         pos = NULL;
 289                 } else {
 290                         *pos = '\0';
 291                         pos++;
 292                 }
 293                 num_methods = 0;
 294                 while (*start) {
 295                         char *pos3 = os_strchr(start, ',');
 296                         if (pos3) {
 297                                 *pos3++ = '\0';
 298                         }
 299                         user->methods[num_methods].method =
 300                                 eap_server_get_type(
 301                                         start,
 302                                         &user->methods[num_methods].vendor);
 303                         if (user->methods[num_methods].vendor ==
 304                             EAP_VENDOR_IETF &&
 305                             user->methods[num_methods].method == EAP_TYPE_NONE)
 306                         {
 307                                 if (os_strcmp(start, "TTLS-PAP") == 0) {
 308                                         user->ttls_auth |= EAP_TTLS_AUTH_PAP;
 309                                         goto skip_eap;
 310                                 }
 311                                 if (os_strcmp(start, "TTLS-CHAP") == 0) {
 312                                         user->ttls_auth |= EAP_TTLS_AUTH_CHAP;
 313                                         goto skip_eap;
 314                                 }
 315                                 if (os_strcmp(start, "TTLS-MSCHAP") == 0) {
 316                                         user->ttls_auth |=
 317                                                 EAP_TTLS_AUTH_MSCHAP;
 318                                         goto skip_eap;
 319                                 }
 320                                 if (os_strcmp(start, "TTLS-MSCHAPV2") == 0) {
 321                                         user->ttls_auth |=
 322                                                 EAP_TTLS_AUTH_MSCHAPV2;
 323                                         goto skip_eap;
 324                                 }
 325                                 wpa_printf(MSG_ERROR, "Unsupported EAP type "
 326                                            "'%s' on line %d in '%s'",
 327                                            start, line, fname);
 328                                 goto failed;
 329                         }
 330
 331                         num_methods++;
 332                         if (num_methods >= EAP_MAX_METHODS)
 333                                 break;
 334                 skip_eap:
 335                         if (pos3 == NULL)
 336                                 break;
 337                         start = pos3;
 338                 }
 339                 if (num_methods == 0 && user->ttls_auth == 0) {
 340                         wpa_printf(MSG_ERROR, "No EAP types configured on "
 341                                    "line %d in '%s'", line, fname);
 342                         goto failed;
 343                 }
 344
 345                 if (pos == NULL)
 346                         goto done;
 347
 348                 while (*pos == ' ' || *pos == '\t')
 349                         pos++;
 350                 if (*pos == '\0')
 351                         goto done;
 352
 353                 if (os_strncmp(pos, "[ver=0]", 7) == 0) {
 354                         user->force_version = 0;
 355                         goto done;
 356                 }
 357
 358                 if (os_strncmp(pos, "[ver=1]", 7) == 0) {
 359                         user->force_version = 1;
 360                         goto done;
 361                 }
 362
 363                 if (os_strncmp(pos, "[2]", 3) == 0) {
 364                         user->phase2 = 1;
 365                         goto done;
 366                 }
 367
 368                 if (*pos == '"') {
 369                         pos++;
 370                         start = pos;
 371                         while (*pos != '"' && *pos != '\0')
 372                                 pos++;
 373                         if (*pos == '\0') {
 374                                 wpa_printf(MSG_ERROR, "Invalid EAP password "
 375                                            "(no \" in end) on line %d in '%s'",
 376                                            line, fname);
 377                                 goto failed;
 378                         }
 379
 380                         user->password = os_malloc(pos - start);
 381                         if (user->password == NULL) {
 382                                 wpa_printf(MSG_ERROR, "Failed to allocate "
 383                                            "memory for EAP password");
 384                                 goto failed;
 385                         }
 386                         os_memcpy(user->password, start, pos - start);
 387                         user->password_len = pos - start;
 388
 389                         pos++;
 390                 } else if (os_strncmp(pos, "hash:", 5) == 0) {
 391                         pos += 5;
 392                         pos2 = pos;
 393                         while (*pos2 != '\0' && *pos2 != ' ' &&
 394                                *pos2 != '\t' && *pos2 != '#')
 395                                 pos2++;
 396                         if (pos2 - pos != 32) {
 397                                 wpa_printf(MSG_ERROR, "Invalid password hash "
 398                                            "on line %d in '%s'", line, fname);
 399                                 goto failed;
 400                         }
 401                         user->password = os_malloc(16);
 402                         if (user->password == NULL) {
 403                                 wpa_printf(MSG_ERROR, "Failed to allocate "
 404                                            "memory for EAP password hash");
 405                                 goto failed;
 406                         }
 407                         if (hexstr2bin(pos, user->password, 16) < 0) {
 408                                 wpa_printf(MSG_ERROR, "Invalid hash password "
 409                                            "on line %d in '%s'", line, fname);
 410                                 goto failed;
 411                         }
 412                         user->password_len = 16;
 413                         user->password_hash = 1;
 414                         pos = pos2;
 415                 } else {
 416                         pos2 = pos;
 417                         while (*pos2 != '\0' && *pos2 != ' ' &&
 418                                *pos2 != '\t' && *pos2 != '#')
 419                                 pos2++;
 420                         if ((pos2 - pos) & 1) {
 421                                 wpa_printf(MSG_ERROR, "Invalid hex password "
 422                                            "on line %d in '%s'", line, fname);
 423                                 goto failed;
 424                         }
 425                         user->password = os_malloc((pos2 - pos) / 2);
 426                         if (user->password == NULL) {
 427                                 wpa_printf(MSG_ERROR, "Failed to allocate "
 428                                            "memory for EAP password");
 429                                 goto failed;
 430                         }
 431                         if (hexstr2bin(pos, user->password,
 432                                        (pos2 - pos) / 2) < 0) {
 433                                 wpa_printf(MSG_ERROR, "Invalid hex password "
 434                                            "on line %d in '%s'", line, fname);
 435                                 goto failed;
 436                         }
 437                         user->password_len = (pos2 - pos) / 2;
 438                         pos = pos2;
 439                 }
 440
 441                 while (*pos == ' ' || *pos == '\t')
 442                         pos++;
 443                 if (os_strncmp(pos, "[2]", 3) == 0) {
 444                         user->phase2 = 1;
 445                 }
 446
 447         done:
 448                 if (tail == NULL) {
 449                         tail = conf->eap_user = user;
 450                 } else {
 451                         tail->next = user;
 452                         tail = user;
 453                 }
 454                 continue;
 455
 456         failed:
 457                 if (user) {
 458                         os_free(user->password);
 459                         os_free(user->identity);
 460                         os_free(user);
 461                 }
 462                 ret = -1;
 463                 break;
 464         }
 465
 466         fclose(f);
 467
 468         return ret;
 469 }
 470 #endif /* EAP_SERVER */
 471
 472
 473 #ifndef CONFIG_NO_RADIUS
 474 static int
 475 hostapd_config_read_radius_addr(struct hostapd_radius_server **server,
 476                                 int *num_server, const char *val, int def_port,
 477                                 struct hostapd_radius_server **curr_serv)
 478 {
 479         struct hostapd_radius_server *nserv;
 480         int ret;
 481         static int server_index = 1;
 482
 483         nserv = os_realloc_array(*server, *num_server + 1, sizeof(*nserv));
 484         if (nserv == NULL)
 485                 return -1;
 486
 487         *server = nserv;
 488         nserv = &nserv[*num_server];
 489         (*num_server)++;
 490         (*curr_serv) = nserv;
 491
 492         os_memset(nserv, 0, sizeof(*nserv));
 493         nserv->port = def_port;
 494         ret = hostapd_parse_ip_addr(val, &nserv->addr);
 495         nserv->index = server_index++;
 496
 497         return ret;
 498 }
 499
 500
 501 static struct hostapd_radius_attr *
 502 hostapd_parse_radius_attr(const char *value)
 503 {
 504         const char *pos;
 505         char syntax;
 506         struct hostapd_radius_attr *attr;
 507         size_t len;
 508
 509         attr = os_zalloc(sizeof(*attr));
 510         if (attr == NULL)
 511                 return NULL;
 512
 513         attr->type = atoi(value);
 514
 515         pos = os_strchr(value, ':');
 516         if (pos == NULL) {
 517                 attr->val = wpabuf_alloc(1);
 518                 if (attr->val == NULL) {
 519                         os_free(attr);
 520                         return NULL;
 521                 }
 522                 wpabuf_put_u8(attr->val, 0);
 523                 return attr;
 524         }
 525
 526         pos++;
 527         if (pos[0] == '\0' || pos[1] != ':') {
 528                 os_free(attr);
 529                 return NULL;
 530         }
 531         syntax = *pos++;
 532         pos++;
 533
 534         switch (syntax) {
 535         case 's':
 536                 attr->val = wpabuf_alloc_copy(pos, os_strlen(pos));
 537                 break;
 538         case 'x':
 539                 len = os_strlen(pos);
 540                 if (len & 1)
 541                         break;
 542                 len /= 2;
 543                 attr->val = wpabuf_alloc(len);
 544                 if (attr->val == NULL)
 545                         break;
 546                 if (hexstr2bin(pos, wpabuf_put(attr->val, len), len) < 0) {
 547                         wpabuf_free(attr->val);
 548                         os_free(attr);
 549                         return NULL;
 550                 }
 551                 break;
 552         case 'd':
 553                 attr->val = wpabuf_alloc(4);
 554                 if (attr->val)
 555                         wpabuf_put_be32(attr->val, atoi(pos));
 556                 break;
 557         default:
 558                 os_free(attr);
 559                 return NULL;
 560         }
 561
 562         if (attr->val == NULL) {
 563                 os_free(attr);
 564                 return NULL;
 565         }
 566
 567         return attr;
 568 }
 569
 570
 571 static int hostapd_parse_das_client(struct hostapd_bss_config *bss,
 572                                     const char *val)
 573 {
 574         char *secret;
 575
 576         secret = os_strchr(val, ' ');
 577         if (secret == NULL)
 578                 return -1;
 579
 580         secret++;
 581
 582         if (hostapd_parse_ip_addr(val, &bss->radius_das_client_addr))
 583                 return -1;
 584
 585         os_free(bss->radius_das_shared_secret);
 586         bss->radius_das_shared_secret = (u8 *) os_strdup(secret);
 587         if (bss->radius_das_shared_secret == NULL)
 588                 return -1;
 589         bss->radius_das_shared_secret_len = os_strlen(secret);
 590
 591         return 0;
 592 }
 593 #endif /* CONFIG_NO_RADIUS */
 594
 595
 596 static int hostapd_config_parse_key_mgmt(int line, const char *value)
 597 {
 598         int val = 0, last;
 599         char *start, *end, *buf;
 600
 601         buf = os_strdup(value);
 602         if (buf == NULL)
 603                 return -1;
 604         start = buf;
 605
 606         while (*start != '\0') {
 607                 while (*start == ' ' || *start == '\t')
 608                         start++;
 609                 if (*start == '\0')
 610                         break;
 611                 end = start;
 612                 while (*end != ' ' && *end != '\t' && *end != '\0')
 613                         end++;
 614                 last = *end == '\0';
 615                 *end = '\0';
 616                 if (os_strcmp(start, "WPA-PSK") == 0)
 617                         val |= WPA_KEY_MGMT_PSK;
 618                 else if (os_strcmp(start, "WPA-EAP") == 0)
 619                         val |= WPA_KEY_MGMT_IEEE8021X;
 620 #ifdef CONFIG_IEEE80211R
 621                 else if (os_strcmp(start, "FT-PSK") == 0)
 622                         val |= WPA_KEY_MGMT_FT_PSK;
 623                 else if (os_strcmp(start, "FT-EAP") == 0)
 624                         val |= WPA_KEY_MGMT_FT_IEEE8021X;
 625 #endif /* CONFIG_IEEE80211R */
 626 #ifdef CONFIG_IEEE80211W
 627                 else if (os_strcmp(start, "WPA-PSK-SHA256") == 0)
 628                         val |= WPA_KEY_MGMT_PSK_SHA256;
 629                 else if (os_strcmp(start, "WPA-EAP-SHA256") == 0)
 630                         val |= WPA_KEY_MGMT_IEEE8021X_SHA256;
 631 #endif /* CONFIG_IEEE80211W */
 632 #ifdef CONFIG_SAE
 633                 else if (os_strcmp(start, "SAE") == 0)
 634                         val |= WPA_KEY_MGMT_SAE;
 635                 else if (os_strcmp(start, "FT-SAE") == 0)
 636                         val |= WPA_KEY_MGMT_FT_SAE;
 637 #endif /* CONFIG_SAE */
 638                 else {
 639                         wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'",
 640                                    line, start);
 641                         os_free(buf);
 642                         return -1;
 643                 }
 644
 645                 if (last)
 646                         break;
 647                 start = end + 1;
 648         }
 649
 650         os_free(buf);
 651         if (val == 0) {
 652                 wpa_printf(MSG_ERROR, "Line %d: no key_mgmt values "
 653                            "configured.", line);
 654                 return -1;
 655         }
 656
 657         return val;
 658 }
 659
 660
 661 static int hostapd_config_parse_cipher(int line, const char *value)
 662 {
 663         int val = wpa_parse_cipher(value);
 664         if (val < 0) {
 665                 wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.",
 666                            line, value);
 667                 return -1;
 668         }
 669         if (val == 0) {
 670                 wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.",
 671                            line);
 672                 return -1;
 673         }
 674         return val;
 675 }
 676
 677
 678 static int hostapd_config_read_wep(struct hostapd_wep_keys *wep, int keyidx,
 679                                    char *val)
 680 {
 681         size_t len = os_strlen(val);
 682
 683         if (keyidx < 0 || keyidx > 3 || wep->key[keyidx] != NULL)
 684                 return -1;
 685
 686         if (val[0] == '"') {
 687                 if (len < 2 || val[len - 1] != '"')
 688                         return -1;
 689                 len -= 2;
 690                 wep->key[keyidx] = os_malloc(len);
 691                 if (wep->key[keyidx] == NULL)
 692                         return -1;
 693                 os_memcpy(wep->key[keyidx], val + 1, len);
 694                 wep->len[keyidx] = len;
 695         } else {
 696                 if (len & 1)
 697                         return -1;
 698                 len /= 2;
 699                 wep->key[keyidx] = os_malloc(len);
 700                 if (wep->key[keyidx] == NULL)
 701                         return -1;
 702                 wep->len[keyidx] = len;
 703                 if (hexstr2bin(val, wep->key[keyidx], len) < 0)
 704                         return -1;
 705         }
 706
 707         wep->keys_set++;
 708
 709         return 0;
 710 }
 711
 712
 713 static int hostapd_parse_intlist(int **int_list, char *val)
 714 {
 715         int *list;
 716         int count;
 717         char *pos, *end;
 718
 719         os_free(*int_list);
 720         *int_list = NULL;
 721
 722         pos = val;
 723         count = 0;
 724         while (*pos != '\0') {
 725                 if (*pos == ' ')
 726                         count++;
 727                 pos++;
 728         }
 729
 730         list = os_malloc(sizeof(int) * (count + 2));
 731         if (list == NULL)
 732                 return -1;
 733         pos = val;
 734         count = 0;
 735         while (*pos != '\0') {
 736                 end = os_strchr(pos, ' ');
 737                 if (end)
 738                         *end = '\0';
 739
 740                 list[count++] = atoi(pos);
 741                 if (!end)
 742                         break;
 743                 pos = end + 1;
 744         }
 745         list[count] = -1;
 746
 747         *int_list = list;
 748         return 0;
 749 }
 750
 751
 752 static int hostapd_config_bss(struct hostapd_config *conf, const char *ifname)
 753 {
 754         struct hostapd_bss_config *bss;
 755
 756         if (*ifname == '\0')
 757                 return -1;
 758
 759         bss = os_realloc_array(conf->bss, conf->num_bss + 1,
 760                                sizeof(struct hostapd_bss_config));
 761         if (bss == NULL) {
 762                 wpa_printf(MSG_ERROR, "Failed to allocate memory for "
 763                            "multi-BSS entry");
 764                 return -1;
 765         }
 766         conf->bss = bss;
 767
 768         bss = &(conf->bss[conf->num_bss]);
 769         os_memset(bss, 0, sizeof(*bss));
 770         bss->radius = os_zalloc(sizeof(*bss->radius));
 771         if (bss->radius == NULL) {
 772                 wpa_printf(MSG_ERROR, "Failed to allocate memory for "
 773                            "multi-BSS RADIUS data");
 774                 return -1;
 775         }
 776
 777         conf->num_bss++;
 778         conf->last_bss = bss;
 779
 780         hostapd_config_defaults_bss(bss);
 781         os_strlcpy(bss->iface, ifname, sizeof(bss->iface));
 782         os_memcpy(bss->ssid.vlan, bss->iface, IFNAMSIZ + 1);
 783
 784         return 0;
 785 }
 786
 787
 788 /* convert floats with one decimal place to value*10 int, i.e.,
 789  * "1.5" will return 15 */
 790 static int hostapd_config_read_int10(const char *value)
 791 {
 792         int i, d;
 793         char *pos;
 794
 795         i = atoi(value);
 796         pos = os_strchr(value, '.');
 797         d = 0;
 798         if (pos) {
 799                 pos++;
 800                 if (*pos >= '0' && *pos <= '9')
 801                         d = *pos - '0';
 802         }
 803
 804         return i * 10 + d;
 805 }
 806
 807
 808 static int valid_cw(int cw)
 809 {
 810         return (cw == 1 || cw == 3 || cw == 7 || cw == 15 || cw == 31 ||
 811                 cw == 63 || cw == 127 || cw == 255 || cw == 511 || cw == 1023);
 812 }
 813
 814
 815 enum {
 816         IEEE80211_TX_QUEUE_DATA0 = 0, /* used for EDCA AC_VO data */
 817         IEEE80211_TX_QUEUE_DATA1 = 1, /* used for EDCA AC_VI data */
 818         IEEE80211_TX_QUEUE_DATA2 = 2, /* used for EDCA AC_BE data */
 819         IEEE80211_TX_QUEUE_DATA3 = 3 /* used for EDCA AC_BK data */
 820 };
 821
 822 static int hostapd_config_tx_queue(struct hostapd_config *conf, char *name,
 823                                    char *val)
 824 {
 825         int num;
 826         char *pos;
 827         struct hostapd_tx_queue_params *queue;
 828
 829         /* skip 'tx_queue_' prefix */
 830         pos = name + 9;
 831         if (os_strncmp(pos, "data", 4) == 0 &&
 832             pos[4] >= '0' && pos[4] <= '9' && pos[5] == '_') {
 833                 num = pos[4] - '0';
 834                 pos += 6;
 835         } else if (os_strncmp(pos, "after_beacon_", 13) == 0 ||
 836                    os_strncmp(pos, "beacon_", 7) == 0) {
 837                 wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
 838                 return 0;
 839         } else {
 840                 wpa_printf(MSG_ERROR, "Unknown tx_queue name '%s'", pos);
 841                 return -1;
 842         }
 843
 844         if (num >= NUM_TX_QUEUES) {
 845                 /* for backwards compatibility, do not trigger failure */
 846                 wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
 847                 return 0;
 848         }
 849
 850         queue = &conf->tx_queue[num];
 851
 852         if (os_strcmp(pos, "aifs") == 0) {
 853                 queue->aifs = atoi(val);
 854                 if (queue->aifs < 0 || queue->aifs > 255) {
 855                         wpa_printf(MSG_ERROR, "Invalid AIFS value %d",
 856                                    queue->aifs);
 857                         return -1;
 858                 }
 859         } else if (os_strcmp(pos, "cwmin") == 0) {
 860                 queue->cwmin = atoi(val);
 861                 if (!valid_cw(queue->cwmin)) {
 862                         wpa_printf(MSG_ERROR, "Invalid cwMin value %d",
 863                                    queue->cwmin);
 864                         return -1;
 865                 }
 866         } else if (os_strcmp(pos, "cwmax") == 0) {
 867                 queue->cwmax = atoi(val);
 868                 if (!valid_cw(queue->cwmax)) {
 869                         wpa_printf(MSG_ERROR, "Invalid cwMax value %d",
 870                                    queue->cwmax);
 871                         return -1;
 872                 }
 873         } else if (os_strcmp(pos, "burst") == 0) {
 874                 queue->burst = hostapd_config_read_int10(val);
 875         } else {
 876                 wpa_printf(MSG_ERROR, "Unknown tx_queue field '%s'", pos);
 877                 return -1;
 878         }
 879
 880         return 0;
 881 }
 882
 883
 884 #ifdef CONFIG_IEEE80211R
 885 static int add_r0kh(struct hostapd_bss_config *bss, char *value)
 886 {
 887         struct ft_remote_r0kh *r0kh;
 888         char *pos, *next;
 889
 890         r0kh = os_zalloc(sizeof(*r0kh));
 891         if (r0kh == NULL)
 892                 return -1;
 893
 894         /* 02:01:02:03:04:05 a.example.com 000102030405060708090a0b0c0d0e0f */
 895         pos = value;
 896         next = os_strchr(pos, ' ');
 897         if (next)
 898                 *next++ = '\0';
 899         if (next == NULL || hwaddr_aton(pos, r0kh->addr)) {
 900                 wpa_printf(MSG_ERROR, "Invalid R0KH MAC address: '%s'", pos);
 901                 os_free(r0kh);
 902                 return -1;
 903         }
 904
 905         pos = next;
 906         next = os_strchr(pos, ' ');
 907         if (next)
 908                 *next++ = '\0';
 909         if (next == NULL || next - pos > FT_R0KH_ID_MAX_LEN) {
 910                 wpa_printf(MSG_ERROR, "Invalid R0KH-ID: '%s'", pos);
 911                 os_free(r0kh);
 912                 return -1;
 913         }
 914         r0kh->id_len = next - pos - 1;
 915         os_memcpy(r0kh->id, pos, r0kh->id_len);
 916
 917         pos = next;
 918         if (hexstr2bin(pos, r0kh->key, sizeof(r0kh->key))) {
 919                 wpa_printf(MSG_ERROR, "Invalid R0KH key: '%s'", pos);
 920                 os_free(r0kh);
 921                 return -1;
 922         }
 923
 924         r0kh->next = bss->r0kh_list;
 925         bss->r0kh_list = r0kh;
 926
 927         return 0;
 928 }
 929
 930
 931 static int add_r1kh(struct hostapd_bss_config *bss, char *value)
 932 {
 933         struct ft_remote_r1kh *r1kh;
 934         char *pos, *next;
 935
 936         r1kh = os_zalloc(sizeof(*r1kh));
 937         if (r1kh == NULL)
 938                 return -1;
 939
 940         /* 02:01:02:03:04:05 02:01:02:03:04:05
 941          * 000102030405060708090a0b0c0d0e0f */
 942         pos = value;
 943         next = os_strchr(pos, ' ');
 944         if (next)
 945                 *next++ = '\0';
 946         if (next == NULL || hwaddr_aton(pos, r1kh->addr)) {
 947                 wpa_printf(MSG_ERROR, "Invalid R1KH MAC address: '%s'", pos);
 948                 os_free(r1kh);
 949                 return -1;
 950         }
 951
 952         pos = next;
 953         next = os_strchr(pos, ' ');
 954         if (next)
 955                 *next++ = '\0';
 956         if (next == NULL || hwaddr_aton(pos, r1kh->id)) {
 957                 wpa_printf(MSG_ERROR, "Invalid R1KH-ID: '%s'", pos);
 958                 os_free(r1kh);
 959                 return -1;
 960         }
 961
 962         pos = next;
 963         if (hexstr2bin(pos, r1kh->key, sizeof(r1kh->key))) {
 964                 wpa_printf(MSG_ERROR, "Invalid R1KH key: '%s'", pos);
 965                 os_free(r1kh);
 966                 return -1;
 967         }
 968
 969         r1kh->next = bss->r1kh_list;
 970         bss->r1kh_list = r1kh;
 971
 972         return 0;
 973 }
 974 #endif /* CONFIG_IEEE80211R */
 975
 976
 977 #ifdef CONFIG_IEEE80211N
 978 static int hostapd_config_ht_capab(struct hostapd_config *conf,
 979                                    const char *capab)
 980 {
 981         if (os_strstr(capab, "[LDPC]"))
 982                 conf->ht_capab |= HT_CAP_INFO_LDPC_CODING_CAP;
 983         if (os_strstr(capab, "[HT40-]")) {
 984                 conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
 985                 conf->secondary_channel = -1;
 986         }
 987         if (os_strstr(capab, "[HT40+]")) {
 988                 conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
 989                 conf->secondary_channel = 1;
 990         }
 991         if (os_strstr(capab, "[SMPS-STATIC]")) {
 992                 conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
 993                 conf->ht_capab |= HT_CAP_INFO_SMPS_STATIC;
 994         }
 995         if (os_strstr(capab, "[SMPS-DYNAMIC]")) {
 996                 conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
 997                 conf->ht_capab |= HT_CAP_INFO_SMPS_DYNAMIC;
 998         }
 999         if (os_strstr(capab, "[GF]"))
1000                 conf->ht_capab |= HT_CAP_INFO_GREEN_FIELD;
1001         if (os_strstr(capab, "[SHORT-GI-20]"))
1002                 conf->ht_capab |= HT_CAP_INFO_SHORT_GI20MHZ;
1003         if (os_strstr(capab, "[SHORT-GI-40]"))
1004                 conf->ht_capab |= HT_CAP_INFO_SHORT_GI40MHZ;
1005         if (os_strstr(capab, "[TX-STBC]"))
1006                 conf->ht_capab |= HT_CAP_INFO_TX_STBC;
1007         if (os_strstr(capab, "[RX-STBC1]")) {
1008                 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1009                 conf->ht_capab |= HT_CAP_INFO_RX_STBC_1;
1010         }
1011         if (os_strstr(capab, "[RX-STBC12]")) {
1012                 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1013                 conf->ht_capab |= HT_CAP_INFO_RX_STBC_12;
1014         }
1015         if (os_strstr(capab, "[RX-STBC123]")) {
1016                 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1017                 conf->ht_capab |= HT_CAP_INFO_RX_STBC_123;
1018         }
1019         if (os_strstr(capab, "[DELAYED-BA]"))
1020                 conf->ht_capab |= HT_CAP_INFO_DELAYED_BA;
1021         if (os_strstr(capab, "[MAX-AMSDU-7935]"))
1022                 conf->ht_capab |= HT_CAP_INFO_MAX_AMSDU_SIZE;
1023         if (os_strstr(capab, "[DSSS_CCK-40]"))
1024                 conf->ht_capab |= HT_CAP_INFO_DSSS_CCK40MHZ;
1025         if (os_strstr(capab, "[PSMP]"))
1026                 conf->ht_capab |= HT_CAP_INFO_PSMP_SUPP;
1027         if (os_strstr(capab, "[LSIG-TXOP-PROT]"))
1028                 conf->ht_capab |= HT_CAP_INFO_LSIG_TXOP_PROTECT_SUPPORT;
1029
1030         return 0;
1031 }
1032 #endif /* CONFIG_IEEE80211N */
1033
1034
1035 #ifdef CONFIG_IEEE80211AC
1036 static int hostapd_config_vht_capab(struct hostapd_config *conf,
1037                                     const char *capab)
1038 {
1039         if (os_strstr(capab, "[MAX-MPDU-7991]"))
1040                 conf->vht_capab |= VHT_CAP_MAX_MPDU_LENGTH_7991;
1041         if (os_strstr(capab, "[MAX-MPDU-11454]"))
1042                 conf->vht_capab |= VHT_CAP_MAX_MPDU_LENGTH_11454;
1043         if (os_strstr(capab, "[VHT160]"))
1044                 conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
1045         if (os_strstr(capab, "[VHT160-80PLUS80]"))
1046                 conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
1047         if (os_strstr(capab, "[VHT160-80PLUS80]"))
1048                 conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
1049         if (os_strstr(capab, "[RXLDPC]"))
1050                 conf->vht_capab |= VHT_CAP_RXLDPC;
1051         if (os_strstr(capab, "[SHORT-GI-80]"))
1052                 conf->vht_capab |= VHT_CAP_SHORT_GI_80;
1053         if (os_strstr(capab, "[SHORT-GI-160]"))
1054                 conf->vht_capab |= VHT_CAP_SHORT_GI_160;
1055         if (os_strstr(capab, "[TX-STBC-2BY1]"))
1056                 conf->vht_capab |= VHT_CAP_TXSTBC;
1057         if (os_strstr(capab, "[RX-STBC-1]"))
1058                 conf->vht_capab |= VHT_CAP_RXSTBC_1;
1059         if (os_strstr(capab, "[RX-STBC-12]"))
1060                 conf->vht_capab |= VHT_CAP_RXSTBC_2;
1061         if (os_strstr(capab, "[RX-STBC-123]"))
1062                 conf->vht_capab |= VHT_CAP_RXSTBC_3;
1063         if (os_strstr(capab, "[RX-STBC-1234]"))
1064                 conf->vht_capab |= VHT_CAP_RXSTBC_4;
1065         if (os_strstr(capab, "[SU-BEAMFORMER]"))
1066                 conf->vht_capab |= VHT_CAP_MU_BEAMFORMER_CAPABLE;
1067         if (os_strstr(capab, "[SU-BEAMFORMEE]"))
1068                 conf->vht_capab |= VHT_CAP_MU_BEAMFORMEE_CAPABLE;
1069         if (os_strstr(capab, "[BF-ANTENNA-2]") &&
1070             (conf->vht_capab & VHT_CAP_MU_BEAMFORMER_CAPABLE))
1071                 conf->vht_capab |= VHT_CAP_BEAMFORMER_ANTENNAS_MAX;
1072         if (os_strstr(capab, "[SOUNDING-DIMENSION-2]") &&
1073             (conf->vht_capab & VHT_CAP_MU_BEAMFORMER_CAPABLE))
1074                 conf->vht_capab |= VHT_CAP_SOUNDING_DIMENTION_MAX;
1075         if (os_strstr(capab, "[MU-BEAMFORMER]"))
1076                 conf->vht_capab |= VHT_CAP_MU_BEAMFORMER_CAPABLE;
1077         if (os_strstr(capab, "[MU-BEAMFORMEE]"))
1078                 conf->vht_capab |= VHT_CAP_MU_BEAMFORMEE_CAPABLE;
1079         if (os_strstr(capab, "[VHT-TXOP-PS]"))
1080                 conf->vht_capab |= VHT_CAP_VHT_TXOP_PS;
1081         if (os_strstr(capab, "[HTC-VHT]"))
1082                 conf->vht_capab |= VHT_CAP_HTC_VHT;
1083         if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP0]"))
1084                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT;
1085         if (os_strstr(capab, "[VHT-LINK-ADAPT2]") &&
1086             (conf->vht_capab & VHT_CAP_HTC_VHT))
1087                 conf->vht_capab |= VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB;
1088         if (os_strstr(capab, "[VHT-LINK-ADAPT3]") &&
1089             (conf->vht_capab & VHT_CAP_HTC_VHT))
1090                 conf->vht_capab |= VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB;
1091         if (os_strstr(capab, "[RX-ANTENNA-PATTERN]"))
1092                 conf->vht_capab |= VHT_CAP_RX_ANTENNA_PATTERN;
1093         if (os_strstr(capab, "[TX-ANTENNA-PATTERN]"))
1094                 conf->vht_capab |= VHT_CAP_TX_ANTENNA_PATTERN;
1095         return 0;
1096 }
1097 #endif /* CONFIG_IEEE80211AC */
1098
1099
1100 static int hostapd_config_check_bss(struct hostapd_bss_config *bss,
1101                                     struct hostapd_config *conf)
1102 {
1103         if (bss->ieee802_1x && !bss->eap_server &&
1104             !bss->radius->auth_servers) {
1105                 wpa_printf(MSG_ERROR, "Invalid IEEE 802.1X configuration (no "
1106                            "EAP authenticator configured).");
1107                 return -1;
1108         }
1109
1110         if (bss->wpa && bss->wpa_psk_radius != PSK_RADIUS_IGNORED &&
1111             bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
1112                 wpa_printf(MSG_ERROR, "WPA-PSK using RADIUS enabled, but no "
1113                            "RADIUS checking (macaddr_acl=2) enabled.");
1114                 return -1;
1115         }
1116
1117         if (bss->wpa && (bss->wpa_key_mgmt & WPA_KEY_MGMT_PSK) &&
1118             bss->ssid.wpa_psk == NULL && bss->ssid.wpa_passphrase == NULL &&
1119             bss->ssid.wpa_psk_file == NULL &&
1120             (bss->wpa_psk_radius != PSK_RADIUS_REQUIRED ||
1121              bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH)) {
1122                 wpa_printf(MSG_ERROR, "WPA-PSK enabled, but PSK or passphrase "
1123                            "is not configured.");
1124                 return -1;
1125         }
1126
1127         if (hostapd_mac_comp_empty(bss->bssid) != 0) {
1128                 size_t i;
1129
1130                 for (i = 0; i < conf->num_bss; i++) {
1131                         if ((&conf->bss[i] != bss) &&
1132                             (hostapd_mac_comp(conf->bss[i].bssid,
1133                                               bss->bssid) == 0)) {
1134                                 wpa_printf(MSG_ERROR, "Duplicate BSSID " MACSTR
1135                                            " on interface '%s' and '%s'.",
1136                                            MAC2STR(bss->bssid),
1137                                            conf->bss[i].iface, bss->iface);
1138                                 return -1;
1139                         }
1140                 }
1141         }
1142
1143 #ifdef CONFIG_IEEE80211R
1144         if (wpa_key_mgmt_ft(bss->wpa_key_mgmt) &&
1145             (bss->nas_identifier == NULL ||
1146              os_strlen(bss->nas_identifier) < 1 ||
1147              os_strlen(bss->nas_identifier) > FT_R0KH_ID_MAX_LEN)) {
1148                 wpa_printf(MSG_ERROR, "FT (IEEE 802.11r) requires "
1149                            "nas_identifier to be configured as a 1..48 octet "
1150                            "string");
1151                 return -1;
1152         }
1153 #endif /* CONFIG_IEEE80211R */
1154
1155 #ifdef CONFIG_IEEE80211N
1156         if (conf->ieee80211n && conf->hw_mode == HOSTAPD_MODE_IEEE80211B) {
1157                 bss->disable_11n = 1;
1158                 wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) in 11b mode is not "
1159                            "allowed, disabling HT capabilites");
1160         }
1161
1162         if (conf->ieee80211n &&
1163             bss->ssid.security_policy == SECURITY_STATIC_WEP) {
1164                 bss->disable_11n = 1;
1165                 wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WEP is not "
1166                            "allowed, disabling HT capabilities");
1167         }
1168
1169         if (conf->ieee80211n && bss->wpa &&
1170             !(bss->wpa_pairwise & WPA_CIPHER_CCMP) &&
1171             !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP))) {
1172                 bss->disable_11n = 1;
1173                 wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WPA/WPA2 "
1174                            "requires CCMP/GCMP to be enabled, disabling HT "
1175                            "capabilities");
1176         }
1177 #endif /* CONFIG_IEEE80211N */
1178
1179 #ifdef CONFIG_WPS2
1180         if (bss->wps_state && bss->ignore_broadcast_ssid) {
1181                 wpa_printf(MSG_INFO, "WPS: ignore_broadcast_ssid "
1182                            "configuration forced WPS to be disabled");
1183                 bss->wps_state = 0;
1184         }
1185
1186         if (bss->wps_state && bss->ssid.wep.keys_set && bss->wpa == 0) {
1187                 wpa_printf(MSG_INFO, "WPS: WEP configuration forced WPS to be "
1188                            "disabled");
1189                 bss->wps_state = 0;
1190         }
1191
1192         if (bss->wps_state && bss->wpa &&
1193             (!(bss->wpa & 2) ||
1194              !(bss->rsn_pairwise & WPA_CIPHER_CCMP))) {
1195                 wpa_printf(MSG_INFO, "WPS: WPA/TKIP configuration without "
1196                            "WPA2/CCMP forced WPS to be disabled");
1197                 bss->wps_state = 0;
1198         }
1199 #endif /* CONFIG_WPS2 */
1200
1201 #ifdef CONFIG_HS20
1202         if (bss->hs20 &&
1203             (!(bss->wpa & 2) ||
1204              !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP)))) {
1205                 wpa_printf(MSG_ERROR, "HS 2.0: WPA2-Enterprise/CCMP "
1206                            "configuration is required for Hotspot 2.0 "
1207                            "functionality");
1208                 return -1;
1209         }
1210 #endif /* CONFIG_HS20 */
1211
1212         return 0;
1213 }
1214
1215
1216 static int hostapd_config_check(struct hostapd_config *conf)
1217 {
1218         size_t i;
1219
1220         if (conf->ieee80211d && (!conf->country[0] || !conf->country[1])) {
1221                 wpa_printf(MSG_ERROR, "Cannot enable IEEE 802.11d without "
1222                            "setting the country_code");
1223                 return -1;
1224         }
1225
1226         if (conf->ieee80211h && !conf->ieee80211d) {
1227                 wpa_printf(MSG_ERROR, "Cannot enable IEEE 802.11h without "
1228                            "IEEE 802.11d enabled");
1229                 return -1;
1230         }
1231
1232         for (i = 0; i < conf->num_bss; i++) {
1233                 if (hostapd_config_check_bss(&conf->bss[i], conf))
1234                         return -1;
1235         }
1236
1237         return 0;
1238 }
1239
1240
1241 #ifdef CONFIG_INTERWORKING
1242 static int parse_roaming_consortium(struct hostapd_bss_config *bss, char *pos,
1243                                     int line)
1244 {
1245         size_t len = os_strlen(pos);
1246         u8 oi[MAX_ROAMING_CONSORTIUM_LEN];
1247
1248         struct hostapd_roaming_consortium *rc;
1249
1250         if ((len & 1) || len < 2 * 3 || len / 2 > MAX_ROAMING_CONSORTIUM_LEN ||
1251             hexstr2bin(pos, oi, len / 2)) {
1252                 wpa_printf(MSG_ERROR, "Line %d: invalid roaming_consortium "
1253                            "'%s'", line, pos);
1254                 return -1;
1255         }
1256         len /= 2;
1257
1258         rc = os_realloc_array(bss->roaming_consortium,
1259                               bss->roaming_consortium_count + 1,
1260                               sizeof(struct hostapd_roaming_consortium));
1261         if (rc == NULL)
1262                 return -1;
1263
1264         os_memcpy(rc[bss->roaming_consortium_count].oi, oi, len);
1265         rc[bss->roaming_consortium_count].len = len;
1266
1267         bss->roaming_consortium = rc;
1268         bss->roaming_consortium_count++;
1269
1270         return 0;
1271 }
1272
1273
1274 static int parse_lang_string(struct hostapd_lang_string **array,
1275                              unsigned int *count, char *pos)
1276 {
1277         char *sep;
1278         size_t clen, nlen;
1279         struct hostapd_lang_string *ls;
1280
1281         sep = os_strchr(pos, ':');
1282         if (sep == NULL)
1283                 return -1;
1284         *sep++ = '\0';
1285
1286         clen = os_strlen(pos);
1287         if (clen < 2)
1288                 return -1;
1289         nlen = os_strlen(sep);
1290         if (nlen > 252)
1291                 return -1;
1292
1293         ls = os_realloc_array(*array, *count + 1,
1294                               sizeof(struct hostapd_lang_string));
1295         if (ls == NULL)
1296                 return -1;
1297
1298         *array = ls;
1299         ls = &(*array)[*count];
1300         (*count)++;
1301
1302         os_memset(ls->lang, 0, sizeof(ls->lang));
1303         os_memcpy(ls->lang, pos, clen);
1304         ls->name_len = nlen;
1305         os_memcpy(ls->name, sep, nlen);
1306
1307         return 0;
1308 }
1309
1310
1311 static int parse_venue_name(struct hostapd_bss_config *bss, char *pos,
1312                             int line)
1313 {
1314         if (parse_lang_string(&bss->venue_name, &bss->venue_name_count, pos)) {
1315                 wpa_printf(MSG_ERROR, "Line %d: Invalid venue_name '%s'",
1316                            line, pos);
1317                 return -1;
1318         }
1319         return 0;
1320 }
1321
1322
1323 static int parse_3gpp_cell_net(struct hostapd_bss_config *bss, char *buf,
1324                                int line)
1325 {
1326         size_t count;
1327         char *pos;
1328         u8 *info = NULL, *ipos;
1329
1330         /* format: <MCC1,MNC1>[;<MCC2,MNC2>][;...] */
1331
1332         count = 1;
1333         for (pos = buf; *pos; pos++) {
1334                 if ((*pos < '0' && *pos > '9') && *pos != ';' && *pos != ',')
1335                         goto fail;
1336                 if (*pos == ';')
1337                         count++;
1338         }
1339         if (1 + count * 3 > 0x7f)
1340                 goto fail;
1341
1342         info = os_zalloc(2 + 3 + count * 3);
1343         if (info == NULL)
1344                 return -1;
1345
1346         ipos = info;
1347         *ipos++ = 0; /* GUD - Version 1 */
1348         *ipos++ = 3 + count * 3; /* User Data Header Length (UDHL) */
1349         *ipos++ = 0; /* PLMN List IEI */
1350         /* ext(b8) | Length of PLMN List value contents(b7..1) */
1351         *ipos++ = 1 + count * 3;
1352         *ipos++ = count; /* Number of PLMNs */
1353
1354         pos = buf;
1355         while (pos && *pos) {
1356                 char *mcc, *mnc;
1357                 size_t mnc_len;
1358
1359                 mcc = pos;
1360                 mnc = os_strchr(pos, ',');
1361                 if (mnc == NULL)
1362                         goto fail;
1363                 *mnc++ = '\0';
1364                 pos = os_strchr(mnc, ';');
1365                 if (pos)
1366                         *pos++ = '\0';
1367
1368                 mnc_len = os_strlen(mnc);
1369                 if (os_strlen(mcc) != 3 || (mnc_len != 2 && mnc_len != 3))
1370                         goto fail;
1371
1372                 /* BC coded MCC,MNC */
1373                 /* MCC digit 2 | MCC digit 1 */
1374                 *ipos++ = ((mcc[1] - '0') << 4) | (mcc[0] - '0');
1375                 /* MNC digit 3 | MCC digit 3 */
1376                 *ipos++ = (((mnc_len == 2) ? 0xf0 : ((mnc[2] - '0') << 4))) |
1377                         (mcc[2] - '0');
1378                 /* MNC digit 2 | MNC digit 1 */
1379                 *ipos++ = ((mnc[1] - '0') << 4) | (mnc[0] - '0');
1380         }
1381
1382         os_free(bss->anqp_3gpp_cell_net);
1383         bss->anqp_3gpp_cell_net = info;
1384         bss->anqp_3gpp_cell_net_len = 2 + 3 + 3 * count;
1385         wpa_hexdump(MSG_MSGDUMP, "3GPP Cellular Network information",
1386                     bss->anqp_3gpp_cell_net, bss->anqp_3gpp_cell_net_len);
1387
1388         return 0;
1389
1390 fail:
1391         wpa_printf(MSG_ERROR, "Line %d: Invalid anqp_3gpp_cell_net: %s",
1392                    line, buf);
1393         os_free(info);
1394         return -1;
1395 }
1396
1397
1398 static int parse_nai_realm(struct hostapd_bss_config *bss, char *buf, int line)
1399 {
1400         struct hostapd_nai_realm_data *realm;
1401         size_t i, j, len;
1402         int *offsets;
1403         char *pos, *end, *rpos;
1404
1405         offsets = os_calloc(bss->nai_realm_count * MAX_NAI_REALMS,
1406                             sizeof(int));
1407         if (offsets == NULL)
1408                 return -1;
1409
1410         for (i = 0; i < bss->nai_realm_count; i++) {
1411                 realm = &bss->nai_realm_data[i];
1412                 for (j = 0; j < MAX_NAI_REALMS; j++) {
1413                         offsets[i * MAX_NAI_REALMS + j] =
1414                                 realm->realm[j] ?
1415                                 realm->realm[j] - realm->realm_buf : -1;
1416                 }
1417         }
1418
1419         realm = os_realloc_array(bss->nai_realm_data, bss->nai_realm_count + 1,
1420                                  sizeof(struct hostapd_nai_realm_data));
1421         if (realm == NULL) {
1422                 os_free(offsets);
1423                 return -1;
1424         }
1425         bss->nai_realm_data = realm;
1426
1427         /* patch the pointers after realloc */
1428         for (i = 0; i < bss->nai_realm_count; i++) {
1429                 realm = &bss->nai_realm_data[i];
1430                 for (j = 0; j < MAX_NAI_REALMS; j++) {
1431                         int offs = offsets[i * MAX_NAI_REALMS + j];
1432                         if (offs >= 0)
1433                                 realm->realm[j] = realm->realm_buf + offs;
1434                         else
1435                                 realm->realm[j] = NULL;
1436                 }
1437         }
1438         os_free(offsets);
1439
1440         realm = &bss->nai_realm_data[bss->nai_realm_count];
1441         os_memset(realm, 0, sizeof(*realm));
1442
1443         pos = buf;
1444         realm->encoding = atoi(pos);
1445         pos = os_strchr(pos, ',');
1446         if (pos == NULL)
1447                 goto fail;
1448         pos++;
1449
1450         end = os_strchr(pos, ',');
1451         if (end) {
1452                 len = end - pos;
1453                 *end = '\0';
1454         } else {
1455                 len = os_strlen(pos);
1456         }
1457
1458         if (len > MAX_NAI_REALMLEN) {
1459                 wpa_printf(MSG_ERROR, "Too long a realm string (%d > max %d "
1460                            "characters)", (int) len, MAX_NAI_REALMLEN);
1461                 goto fail;
1462         }
1463         os_memcpy(realm->realm_buf, pos, len);
1464
1465         if (end)
1466                 pos = end + 1;
1467         else
1468                 pos = NULL;
1469
1470         while (pos && *pos) {
1471                 struct hostapd_nai_realm_eap *eap;
1472
1473                 if (realm->eap_method_count >= MAX_NAI_EAP_METHODS) {
1474                         wpa_printf(MSG_ERROR, "Too many EAP methods");
1475                         goto fail;
1476                 }
1477
1478                 eap = &realm->eap_method[realm->eap_method_count];
1479                 realm->eap_method_count++;
1480
1481                 end = os_strchr(pos, ',');
1482                 if (end == NULL)
1483                         end = pos + os_strlen(pos);
1484
1485                 eap->eap_method = atoi(pos);
1486                 for (;;) {
1487                         pos = os_strchr(pos, '[');
1488                         if (pos == NULL || pos > end)
1489                                 break;
1490                         pos++;
1491                         if (eap->num_auths >= MAX_NAI_AUTH_TYPES) {
1492                                 wpa_printf(MSG_ERROR, "Too many auth params");
1493                                 goto fail;
1494                         }
1495                         eap->auth_id[eap->num_auths] = atoi(pos);
1496                         pos = os_strchr(pos, ':');
1497                         if (pos == NULL || pos > end)
1498                                 goto fail;
1499                         pos++;
1500                         eap->auth_val[eap->num_auths] = atoi(pos);
1501                         pos = os_strchr(pos, ']');
1502                         if (pos == NULL || pos > end)
1503                                 goto fail;
1504                         pos++;
1505                         eap->num_auths++;
1506                 }
1507
1508                 if (*end != ',')
1509                         break;
1510
1511                 pos = end + 1;
1512         }
1513
1514         /* Split realm list into null terminated realms */
1515         rpos = realm->realm_buf;
1516         i = 0;
1517         while (*rpos) {
1518                 if (i >= MAX_NAI_REALMS) {
1519                         wpa_printf(MSG_ERROR, "Too many realms");
1520                         goto fail;
1521                 }
1522                 realm->realm[i++] = rpos;
1523                 rpos = os_strchr(rpos, ';');
1524                 if (rpos == NULL)
1525                         break;
1526                 *rpos++ = '\0';
1527         }
1528
1529         bss->nai_realm_count++;
1530
1531         return 0;
1532
1533 fail:
1534         wpa_printf(MSG_ERROR, "Line %d: invalid nai_realm '%s'", line, buf);
1535         return -1;
1536 }
1537
1538 #endif /* CONFIG_INTERWORKING */
1539
1540
1541 #ifdef CONFIG_HS20
1542 static int hs20_parse_conn_capab(struct hostapd_bss_config *bss, char *buf,
1543                                  int line)
1544 {
1545         u8 *conn_cap;
1546         char *pos;
1547
1548         if (bss->hs20_connection_capability_len >= 0xfff0)
1549                 return -1;
1550
1551         conn_cap = os_realloc(bss->hs20_connection_capability,
1552                               bss->hs20_connection_capability_len + 4);
1553         if (conn_cap == NULL)
1554                 return -1;
1555
1556         bss->hs20_connection_capability = conn_cap;
1557         conn_cap += bss->hs20_connection_capability_len;
1558         pos = buf;
1559         conn_cap[0] = atoi(pos);
1560         pos = os_strchr(pos, ':');
1561         if (pos == NULL)
1562                 return -1;
1563         pos++;
1564         WPA_PUT_LE16(conn_cap + 1, atoi(pos));
1565         pos = os_strchr(pos, ':');
1566         if (pos == NULL)
1567                 return -1;
1568         pos++;
1569         conn_cap[3] = atoi(pos);
1570         bss->hs20_connection_capability_len += 4;
1571
1572         return 0;
1573 }
1574
1575
1576 static int hs20_parse_wan_metrics(struct hostapd_bss_config *bss, char *buf,
1577                                   int line)
1578 {
1579         u8 *wan_metrics;
1580         char *pos;
1581
1582         /* <WAN Info>:<DL Speed>:<UL Speed>:<DL Load>:<UL Load>:<LMD> */
1583
1584         wan_metrics = os_zalloc(13);
1585         if (wan_metrics == NULL)
1586                 return -1;
1587
1588         pos = buf;
1589         /* WAN Info */
1590         if (hexstr2bin(pos, wan_metrics, 1) < 0)
1591                 goto fail;
1592         pos += 2;
1593         if (*pos != ':')
1594                 goto fail;
1595         pos++;
1596
1597         /* Downlink Speed */
1598         WPA_PUT_LE32(wan_metrics + 1, atoi(pos));
1599         pos = os_strchr(pos, ':');
1600         if (pos == NULL)
1601                 goto fail;
1602         pos++;
1603
1604         /* Uplink Speed */
1605         WPA_PUT_LE32(wan_metrics + 5, atoi(pos));
1606         pos = os_strchr(pos, ':');
1607         if (pos == NULL)
1608                 goto fail;
1609         pos++;
1610
1611         /* Downlink Load */
1612         wan_metrics[9] = atoi(pos);
1613         pos = os_strchr(pos, ':');
1614         if (pos == NULL)
1615                 goto fail;
1616         pos++;
1617
1618         /* Uplink Load */
1619         wan_metrics[10] = atoi(pos);
1620         pos = os_strchr(pos, ':');
1621         if (pos == NULL)
1622                 goto fail;
1623         pos++;
1624
1625         /* LMD */
1626         WPA_PUT_LE16(wan_metrics + 11, atoi(pos));
1627
1628         os_free(bss->hs20_wan_metrics);
1629         bss->hs20_wan_metrics = wan_metrics;
1630
1631         return 0;
1632
1633 fail:
1634         wpa_printf(MSG_ERROR, "Line %d: Invalid hs20_wan_metrics '%s'",
1635                    line, pos);
1636         os_free(wan_metrics);
1637         return -1;
1638 }
1639
1640
1641 static int hs20_parse_oper_friendly_name(struct hostapd_bss_config *bss,
1642                                          char *pos, int line)
1643 {
1644         if (parse_lang_string(&bss->hs20_oper_friendly_name,
1645                               &bss->hs20_oper_friendly_name_count, pos)) {
1646                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1647                            "hs20_oper_friendly_name '%s'", line, pos);
1648                 return -1;
1649         }
1650         return 0;
1651 }
1652 #endif /* CONFIG_HS20 */
1653
1654
1655 #ifdef CONFIG_WPS_NFC
1656 static struct wpabuf * hostapd_parse_bin(const char *buf)
1657 {
1658         size_t len;
1659         struct wpabuf *ret;
1660
1661         len = os_strlen(buf);
1662         if (len & 0x01)
1663                 return NULL;
1664         len /= 2;
1665
1666         ret = wpabuf_alloc(len);
1667         if (ret == NULL)
1668                 return NULL;
1669
1670         if (hexstr2bin(buf, wpabuf_put(ret, len), len)) {
1671                 wpabuf_free(ret);
1672                 return NULL;
1673         }
1674
1675         return ret;
1676 }
1677 #endif /* CONFIG_WPS_NFC */
1678
1679
1680 static int hostapd_config_fill(struct hostapd_config *conf,
1681                                struct hostapd_bss_config *bss,
1682                                char *buf, char *pos, int line)
1683 {
1684         int errors = 0;
1685
1686         {
1687                 if (os_strcmp(buf, "interface") == 0) {
1688                         os_strlcpy(conf->bss[0].iface, pos,
1689                                    sizeof(conf->bss[0].iface));
1690                 } else if (os_strcmp(buf, "bridge") == 0) {
1691                         os_strlcpy(bss->bridge, pos, sizeof(bss->bridge));
1692                 } else if (os_strcmp(buf, "vlan_bridge") == 0) {
1693                         os_strlcpy(bss->vlan_bridge, pos,
1694                                    sizeof(bss->vlan_bridge));
1695                 } else if (os_strcmp(buf, "wds_bridge") == 0) {
1696                         os_strlcpy(bss->wds_bridge, pos,
1697                                    sizeof(bss->wds_bridge));
1698                 } else if (os_strcmp(buf, "driver") == 0) {
1699                         int j;
1700                         /* clear to get error below if setting is invalid */
1701                         conf->driver = NULL;
1702                         for (j = 0; wpa_drivers[j]; j++) {
1703                                 if (os_strcmp(pos, wpa_drivers[j]->name) == 0)
1704                                 {
1705                                         conf->driver = wpa_drivers[j];
1706                                         break;
1707                                 }
1708                         }
1709                         if (conf->driver == NULL) {
1710                                 wpa_printf(MSG_ERROR, "Line %d: invalid/"
1711                                            "unknown driver '%s'", line, pos);
1712                                 errors++;
1713                         }
1714                 } else if (os_strcmp(buf, "debug") == 0) {
1715                         wpa_printf(MSG_DEBUG, "Line %d: DEPRECATED: 'debug' "
1716                                    "configuration variable is not used "
1717                                    "anymore", line);
1718                 } else if (os_strcmp(buf, "logger_syslog_level") == 0) {
1719                         bss->logger_syslog_level = atoi(pos);
1720                 } else if (os_strcmp(buf, "logger_stdout_level") == 0) {
1721                         bss->logger_stdout_level = atoi(pos);
1722                 } else if (os_strcmp(buf, "logger_syslog") == 0) {
1723                         bss->logger_syslog = atoi(pos);
1724                 } else if (os_strcmp(buf, "logger_stdout") == 0) {
1725                         bss->logger_stdout = atoi(pos);
1726                 } else if (os_strcmp(buf, "dump_file") == 0) {
1727                         bss->dump_log_name = os_strdup(pos);
1728                 } else if (os_strcmp(buf, "ssid") == 0) {
1729                         bss->ssid.ssid_len = os_strlen(pos);
1730                         if (bss->ssid.ssid_len > HOSTAPD_MAX_SSID_LEN ||
1731                             bss->ssid.ssid_len < 1) {
1732                                 wpa_printf(MSG_ERROR, "Line %d: invalid SSID "
1733                                            "'%s'", line, pos);
1734                                 errors++;
1735                         } else {
1736                                 os_memcpy(bss->ssid.ssid, pos,
1737                                           bss->ssid.ssid_len);
1738                                 bss->ssid.ssid_set = 1;
1739                         }
1740                 } else if (os_strcmp(buf, "ssid2") == 0) {
1741                         size_t slen;
1742                         char *str = wpa_config_parse_string(pos, &slen);
1743                         if (str == NULL || slen < 1 ||
1744                                    slen > HOSTAPD_MAX_SSID_LEN) {
1745                                 wpa_printf(MSG_ERROR, "Line %d: invalid SSID "
1746                                            "'%s'", line, pos);
1747                                 errors++;
1748                         } else {
1749                                 os_memcpy(bss->ssid.ssid, str, slen);
1750                                 bss->ssid.ssid_len = slen;
1751                                 bss->ssid.ssid_set = 1;
1752                         }
1753                         os_free(str);
1754                 } else if (os_strcmp(buf, "utf8_ssid") == 0) {
1755                         bss->ssid.utf8_ssid = atoi(pos) > 0;
1756                 } else if (os_strcmp(buf, "macaddr_acl") == 0) {
1757                         bss->macaddr_acl = atoi(pos);
1758                         if (bss->macaddr_acl != ACCEPT_UNLESS_DENIED &&
1759                             bss->macaddr_acl != DENY_UNLESS_ACCEPTED &&
1760                             bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
1761                                 wpa_printf(MSG_ERROR, "Line %d: unknown "
1762                                            "macaddr_acl %d",
1763                                            line, bss->macaddr_acl);
1764                         }
1765                 } else if (os_strcmp(buf, "accept_mac_file") == 0) {
1766                         if (hostapd_config_read_maclist(pos, &bss->accept_mac,
1767                                                         &bss->num_accept_mac))
1768                         {
1769                                 wpa_printf(MSG_ERROR, "Line %d: Failed to "
1770                                            "read accept_mac_file '%s'",
1771                                            line, pos);
1772                                 errors++;
1773                         }
1774                 } else if (os_strcmp(buf, "deny_mac_file") == 0) {
1775                         if (hostapd_config_read_maclist(pos, &bss->deny_mac,
1776                                                         &bss->num_deny_mac)) {
1777                                 wpa_printf(MSG_ERROR, "Line %d: Failed to "
1778                                            "read deny_mac_file '%s'",
1779                                            line, pos);
1780                                 errors++;
1781                         }
1782                 } else if (os_strcmp(buf, "wds_sta") == 0) {
1783                         bss->wds_sta = atoi(pos);
1784                 } else if (os_strcmp(buf, "ap_isolate") == 0) {
1785                         bss->isolate = atoi(pos);
1786                 } else if (os_strcmp(buf, "ap_max_inactivity") == 0) {
1787                         bss->ap_max_inactivity = atoi(pos);
1788                 } else if (os_strcmp(buf, "skip_inactivity_poll") == 0) {
1789                         bss->skip_inactivity_poll = atoi(pos);
1790                 } else if (os_strcmp(buf, "country_code") == 0) {
1791                         os_memcpy(conf->country, pos, 2);
1792                         /* FIX: make this configurable */
1793                         conf->country[2] = ' ';
1794                 } else if (os_strcmp(buf, "ieee80211d") == 0) {
1795                         conf->ieee80211d = atoi(pos);
1796                 } else if (os_strcmp(buf, "ieee80211h") == 0) {
1797                         conf->ieee80211h = atoi(pos);
1798                 } else if (os_strcmp(buf, "ieee8021x") == 0) {
1799                         bss->ieee802_1x = atoi(pos);
1800                 } else if (os_strcmp(buf, "eapol_version") == 0) {
1801                         bss->eapol_version = atoi(pos);
1802                         if (bss->eapol_version < 1 ||
1803                             bss->eapol_version > 2) {
1804                                 wpa_printf(MSG_ERROR, "Line %d: invalid EAPOL "
1805                                            "version (%d): '%s'.",
1806                                            line, bss->eapol_version, pos);
1807                                 errors++;
1808                         } else
1809                                 wpa_printf(MSG_DEBUG, "eapol_version=%d",
1810                                            bss->eapol_version);
1811 #ifdef EAP_SERVER
1812                 } else if (os_strcmp(buf, "eap_authenticator") == 0) {
1813                         bss->eap_server = atoi(pos);
1814                         wpa_printf(MSG_ERROR, "Line %d: obsolete "
1815                                    "eap_authenticator used; this has been "
1816                                    "renamed to eap_server", line);
1817                 } else if (os_strcmp(buf, "eap_server") == 0) {
1818                         bss->eap_server = atoi(pos);
1819                 } else if (os_strcmp(buf, "eap_user_file") == 0) {
1820                         if (hostapd_config_read_eap_user(pos, bss))
1821                                 errors++;
1822                 } else if (os_strcmp(buf, "ca_cert") == 0) {
1823                         os_free(bss->ca_cert);
1824                         bss->ca_cert = os_strdup(pos);
1825                 } else if (os_strcmp(buf, "server_cert") == 0) {
1826                         os_free(bss->server_cert);
1827                         bss->server_cert = os_strdup(pos);
1828                 } else if (os_strcmp(buf, "private_key") == 0) {
1829                         os_free(bss->private_key);
1830                         bss->private_key = os_strdup(pos);
1831                 } else if (os_strcmp(buf, "private_key_passwd") == 0) {
1832                         os_free(bss->private_key_passwd);
1833                         bss->private_key_passwd = os_strdup(pos);
1834                 } else if (os_strcmp(buf, "check_crl") == 0) {
1835                         bss->check_crl = atoi(pos);
1836                 } else if (os_strcmp(buf, "ocsp_stapling_response") == 0) {
1837                         os_free(bss->ocsp_stapling_response);
1838                         bss->ocsp_stapling_response = os_strdup(pos);
1839                 } else if (os_strcmp(buf, "dh_file") == 0) {
1840                         os_free(bss->dh_file);
1841                         bss->dh_file = os_strdup(pos);
1842                 } else if (os_strcmp(buf, "fragment_size") == 0) {
1843                         bss->fragment_size = atoi(pos);
1844 #ifdef EAP_SERVER_FAST
1845                 } else if (os_strcmp(buf, "pac_opaque_encr_key") == 0) {
1846                         os_free(bss->pac_opaque_encr_key);
1847                         bss->pac_opaque_encr_key = os_malloc(16);
1848                         if (bss->pac_opaque_encr_key == NULL) {
1849                                 wpa_printf(MSG_ERROR, "Line %d: No memory for "
1850                                            "pac_opaque_encr_key", line);
1851                                 errors++;
1852                         } else if (hexstr2bin(pos, bss->pac_opaque_encr_key,
1853                                               16)) {
1854                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1855                                            "pac_opaque_encr_key", line);
1856                                 errors++;
1857                         }
1858                 } else if (os_strcmp(buf, "eap_fast_a_id") == 0) {
1859                         size_t idlen = os_strlen(pos);
1860                         if (idlen & 1) {
1861                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1862                                            "eap_fast_a_id", line);
1863                                 errors++;
1864                         } else {
1865                                 os_free(bss->eap_fast_a_id);
1866                                 bss->eap_fast_a_id = os_malloc(idlen / 2);
1867                                 if (bss->eap_fast_a_id == NULL ||
1868                                     hexstr2bin(pos, bss->eap_fast_a_id,
1869                                                idlen / 2)) {
1870                                         wpa_printf(MSG_ERROR, "Line %d: "
1871                                                    "Failed to parse "
1872                                                    "eap_fast_a_id", line);
1873                                         errors++;
1874                                 } else
1875                                         bss->eap_fast_a_id_len = idlen / 2;
1876                         }
1877                 } else if (os_strcmp(buf, "eap_fast_a_id_info") == 0) {
1878                         os_free(bss->eap_fast_a_id_info);
1879                         bss->eap_fast_a_id_info = os_strdup(pos);
1880                 } else if (os_strcmp(buf, "eap_fast_prov") == 0) {
1881                         bss->eap_fast_prov = atoi(pos);
1882                 } else if (os_strcmp(buf, "pac_key_lifetime") == 0) {
1883                         bss->pac_key_lifetime = atoi(pos);
1884                 } else if (os_strcmp(buf, "pac_key_refresh_time") == 0) {
1885                         bss->pac_key_refresh_time = atoi(pos);
1886 #endif /* EAP_SERVER_FAST */
1887 #ifdef EAP_SERVER_SIM
1888                 } else if (os_strcmp(buf, "eap_sim_db") == 0) {
1889                         os_free(bss->eap_sim_db);
1890                         bss->eap_sim_db = os_strdup(pos);
1891                 } else if (os_strcmp(buf, "eap_sim_aka_result_ind") == 0) {
1892                         bss->eap_sim_aka_result_ind = atoi(pos);
1893 #endif /* EAP_SERVER_SIM */
1894 #ifdef EAP_SERVER_TNC
1895                 } else if (os_strcmp(buf, "tnc") == 0) {
1896                         bss->tnc = atoi(pos);
1897 #endif /* EAP_SERVER_TNC */
1898 #ifdef EAP_SERVER_PWD
1899                 } else if (os_strcmp(buf, "pwd_group") == 0) {
1900                         bss->pwd_group = atoi(pos);
1901 #endif /* EAP_SERVER_PWD */
1902 #endif /* EAP_SERVER */
1903                 } else if (os_strcmp(buf, "eap_message") == 0) {
1904                         char *term;
1905                         bss->eap_req_id_text = os_strdup(pos);
1906                         if (bss->eap_req_id_text == NULL) {
1907                                 wpa_printf(MSG_ERROR, "Line %d: Failed to "
1908                                            "allocate memory for "
1909                                            "eap_req_id_text", line);
1910                                 errors++;
1911                                 return errors;
1912                         }
1913                         bss->eap_req_id_text_len =
1914                                 os_strlen(bss->eap_req_id_text);
1915                         term = os_strstr(bss->eap_req_id_text, "\\0");
1916                         if (term) {
1917                                 *term++ = '\0';
1918                                 os_memmove(term, term + 1,
1919                                            bss->eap_req_id_text_len -
1920                                            (term - bss->eap_req_id_text) - 1);
1921                                 bss->eap_req_id_text_len--;
1922                         }
1923                 } else if (os_strcmp(buf, "wep_key_len_broadcast") == 0) {
1924                         bss->default_wep_key_len = atoi(pos);
1925                         if (bss->default_wep_key_len > 13) {
1926                                 wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
1927                                            "key len %lu (= %lu bits)", line,
1928                                            (unsigned long)
1929                                            bss->default_wep_key_len,
1930                                            (unsigned long)
1931                                            bss->default_wep_key_len * 8);
1932                                 errors++;
1933                         }
1934                 } else if (os_strcmp(buf, "wep_key_len_unicast") == 0) {
1935                         bss->individual_wep_key_len = atoi(pos);
1936                         if (bss->individual_wep_key_len < 0 ||
1937                             bss->individual_wep_key_len > 13) {
1938                                 wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
1939                                            "key len %d (= %d bits)", line,
1940                                            bss->individual_wep_key_len,
1941                                            bss->individual_wep_key_len * 8);
1942                                 errors++;
1943                         }
1944                 } else if (os_strcmp(buf, "wep_rekey_period") == 0) {
1945                         bss->wep_rekeying_period = atoi(pos);
1946                         if (bss->wep_rekeying_period < 0) {
1947                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1948                                            "period %d",
1949                                            line, bss->wep_rekeying_period);
1950                                 errors++;
1951                         }
1952                 } else if (os_strcmp(buf, "eap_reauth_period") == 0) {
1953                         bss->eap_reauth_period = atoi(pos);
1954                         if (bss->eap_reauth_period < 0) {
1955                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1956                                            "period %d",
1957                                            line, bss->eap_reauth_period);
1958                                 errors++;
1959                         }
1960                 } else if (os_strcmp(buf, "eapol_key_index_workaround") == 0) {
1961                         bss->eapol_key_index_workaround = atoi(pos);
1962 #ifdef CONFIG_IAPP
1963                 } else if (os_strcmp(buf, "iapp_interface") == 0) {
1964                         bss->ieee802_11f = 1;
1965                         os_strlcpy(bss->iapp_iface, pos,
1966                                    sizeof(bss->iapp_iface));
1967 #endif /* CONFIG_IAPP */
1968                 } else if (os_strcmp(buf, "own_ip_addr") == 0) {
1969                         if (hostapd_parse_ip_addr(pos, &bss->own_ip_addr)) {
1970                                 wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1971                                            "address '%s'", line, pos);
1972                                 errors++;
1973                         }
1974                 } else if (os_strcmp(buf, "nas_identifier") == 0) {
1975                         bss->nas_identifier = os_strdup(pos);
1976 #ifndef CONFIG_NO_RADIUS
1977                 } else if (os_strcmp(buf, "auth_server_addr") == 0) {
1978                         if (hostapd_config_read_radius_addr(
1979                                     &bss->radius->auth_servers,
1980                                     &bss->radius->num_auth_servers, pos, 1812,
1981                                     &bss->radius->auth_server)) {
1982                                 wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1983                                            "address '%s'", line, pos);
1984                                 errors++;
1985                         }
1986                 } else if (bss->radius->auth_server &&
1987                            os_strcmp(buf, "auth_server_port") == 0) {
1988                         bss->radius->auth_server->port = atoi(pos);
1989                 } else if (bss->radius->auth_server &&
1990                            os_strcmp(buf, "auth_server_shared_secret") == 0) {
1991                         int len = os_strlen(pos);
1992                         if (len == 0) {
1993                                 /* RFC 2865, Ch. 3 */
1994                                 wpa_printf(MSG_ERROR, "Line %d: empty shared "
1995                                            "secret is not allowed.", line);
1996                                 errors++;
1997                         }
1998                         bss->radius->auth_server->shared_secret =
1999                                 (u8 *) os_strdup(pos);
2000                         bss->radius->auth_server->shared_secret_len = len;
2001                 } else if (os_strcmp(buf, "acct_server_addr") == 0) {
2002                         if (hostapd_config_read_radius_addr(
2003                                     &bss->radius->acct_servers,
2004                                     &bss->radius->num_acct_servers, pos, 1813,
2005                                     &bss->radius->acct_server)) {
2006                                 wpa_printf(MSG_ERROR, "Line %d: invalid IP "
2007                                            "address '%s'", line, pos);
2008                                 errors++;
2009                         }
2010                 } else if (bss->radius->acct_server &&
2011                            os_strcmp(buf, "acct_server_port") == 0) {
2012                         bss->radius->acct_server->port = atoi(pos);
2013                 } else if (bss->radius->acct_server &&
2014                            os_strcmp(buf, "acct_server_shared_secret") == 0) {
2015                         int len = os_strlen(pos);
2016                         if (len == 0) {
2017                                 /* RFC 2865, Ch. 3 */
2018                                 wpa_printf(MSG_ERROR, "Line %d: empty shared "
2019                                            "secret is not allowed.", line);
2020                                 errors++;
2021                         }
2022                         bss->radius->acct_server->shared_secret =
2023                                 (u8 *) os_strdup(pos);
2024                         bss->radius->acct_server->shared_secret_len = len;
2025                 } else if (os_strcmp(buf, "radius_retry_primary_interval") ==
2026                            0) {
2027                         bss->radius->retry_primary_interval = atoi(pos);
2028                 } else if (os_strcmp(buf, "radius_acct_interim_interval") == 0)
2029                 {
2030                         bss->acct_interim_interval = atoi(pos);
2031                 } else if (os_strcmp(buf, "radius_request_cui") == 0) {
2032                         bss->radius_request_cui = atoi(pos);
2033                 } else if (os_strcmp(buf, "radius_auth_req_attr") == 0) {
2034                         struct hostapd_radius_attr *attr, *a;
2035                         attr = hostapd_parse_radius_attr(pos);
2036                         if (attr == NULL) {
2037                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2038                                            "radius_auth_req_attr", line);
2039                                 errors++;
2040                         } else if (bss->radius_auth_req_attr == NULL) {
2041                                 bss->radius_auth_req_attr = attr;
2042                         } else {
2043                                 a = bss->radius_auth_req_attr;
2044                                 while (a->next)
2045                                         a = a->next;
2046                                 a->next = attr;
2047                         }
2048                 } else if (os_strcmp(buf, "radius_acct_req_attr") == 0) {
2049                         struct hostapd_radius_attr *attr, *a;
2050                         attr = hostapd_parse_radius_attr(pos);
2051                         if (attr == NULL) {
2052                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2053                                            "radius_acct_req_attr", line);
2054                                 errors++;
2055                         } else if (bss->radius_acct_req_attr == NULL) {
2056                                 bss->radius_acct_req_attr = attr;
2057                         } else {
2058                                 a = bss->radius_acct_req_attr;
2059                                 while (a->next)
2060                                         a = a->next;
2061                                 a->next = attr;
2062                         }
2063                 } else if (os_strcmp(buf, "radius_das_port") == 0) {
2064                         bss->radius_das_port = atoi(pos);
2065                 } else if (os_strcmp(buf, "radius_das_client") == 0) {
2066                         if (hostapd_parse_das_client(bss, pos) < 0) {
2067                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2068                                            "DAS client", line);
2069                                 errors++;
2070                         }
2071                 } else if (os_strcmp(buf, "radius_das_time_window") == 0) {
2072                         bss->radius_das_time_window = atoi(pos);
2073                 } else if (os_strcmp(buf, "radius_das_require_event_timestamp")
2074                            == 0) {
2075                         bss->radius_das_require_event_timestamp = atoi(pos);
2076 #endif /* CONFIG_NO_RADIUS */
2077                 } else if (os_strcmp(buf, "auth_algs") == 0) {
2078                         bss->auth_algs = atoi(pos);
2079                         if (bss->auth_algs == 0) {
2080                                 wpa_printf(MSG_ERROR, "Line %d: no "
2081                                            "authentication algorithms allowed",
2082                                            line);
2083                                 errors++;
2084                         }
2085                 } else if (os_strcmp(buf, "max_num_sta") == 0) {
2086                         bss->max_num_sta = atoi(pos);
2087                         if (bss->max_num_sta < 0 ||
2088                             bss->max_num_sta > MAX_STA_COUNT) {
2089                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2090                                            "max_num_sta=%d; allowed range "
2091                                            "0..%d", line, bss->max_num_sta,
2092                                            MAX_STA_COUNT);
2093                                 errors++;
2094                         }
2095                 } else if (os_strcmp(buf, "wpa") == 0) {
2096                         bss->wpa = atoi(pos);
2097                 } else if (os_strcmp(buf, "wpa_group_rekey") == 0) {
2098                         bss->wpa_group_rekey = atoi(pos);
2099                 } else if (os_strcmp(buf, "wpa_strict_rekey") == 0) {
2100                         bss->wpa_strict_rekey = atoi(pos);
2101                 } else if (os_strcmp(buf, "wpa_gmk_rekey") == 0) {
2102                         bss->wpa_gmk_rekey = atoi(pos);
2103                 } else if (os_strcmp(buf, "wpa_ptk_rekey") == 0) {
2104                         bss->wpa_ptk_rekey = atoi(pos);
2105                 } else if (os_strcmp(buf, "wpa_passphrase") == 0) {
2106                         int len = os_strlen(pos);
2107                         if (len < 8 || len > 63) {
2108                                 wpa_printf(MSG_ERROR, "Line %d: invalid WPA "
2109                                            "passphrase length %d (expected "
2110                                            "8..63)", line, len);
2111                                 errors++;
2112                         } else {
2113                                 os_free(bss->ssid.wpa_passphrase);
2114                                 bss->ssid.wpa_passphrase = os_strdup(pos);
2115                                 os_free(bss->ssid.wpa_psk);
2116                                 bss->ssid.wpa_psk = NULL;
2117                         }
2118                 } else if (os_strcmp(buf, "wpa_psk") == 0) {
2119                         os_free(bss->ssid.wpa_psk);
2120                         bss->ssid.wpa_psk =
2121                                 os_zalloc(sizeof(struct hostapd_wpa_psk));
2122                         if (bss->ssid.wpa_psk == NULL)
2123                                 errors++;
2124                         else if (hexstr2bin(pos, bss->ssid.wpa_psk->psk,
2125                                             PMK_LEN) ||
2126                                  pos[PMK_LEN * 2] != '\0') {
2127                                 wpa_printf(MSG_ERROR, "Line %d: Invalid PSK "
2128                                            "'%s'.", line, pos);
2129                                 errors++;
2130                         } else {
2131                                 bss->ssid.wpa_psk->group = 1;
2132                                 os_free(bss->ssid.wpa_passphrase);
2133                                 bss->ssid.wpa_passphrase = NULL;
2134                         }
2135                 } else if (os_strcmp(buf, "wpa_psk_file") == 0) {
2136                         os_free(bss->ssid.wpa_psk_file);
2137                         bss->ssid.wpa_psk_file = os_strdup(pos);
2138                         if (!bss->ssid.wpa_psk_file) {
2139                                 wpa_printf(MSG_ERROR, "Line %d: allocation "
2140                                            "failed", line);
2141                                 errors++;
2142                         }
2143                 } else if (os_strcmp(buf, "wpa_key_mgmt") == 0) {
2144                         bss->wpa_key_mgmt =
2145                                 hostapd_config_parse_key_mgmt(line, pos);
2146                         if (bss->wpa_key_mgmt == -1)
2147                                 errors++;
2148                 } else if (os_strcmp(buf, "wpa_psk_radius") == 0) {
2149                         bss->wpa_psk_radius = atoi(pos);
2150                         if (bss->wpa_psk_radius != PSK_RADIUS_IGNORED &&
2151                             bss->wpa_psk_radius != PSK_RADIUS_ACCEPTED &&
2152                             bss->wpa_psk_radius != PSK_RADIUS_REQUIRED) {
2153                                 wpa_printf(MSG_ERROR, "Line %d: unknown "
2154                                            "wpa_psk_radius %d",
2155                                            line, bss->wpa_psk_radius);
2156                                 errors++;
2157                         }
2158                 } else if (os_strcmp(buf, "wpa_pairwise") == 0) {
2159                         bss->wpa_pairwise =
2160                                 hostapd_config_parse_cipher(line, pos);
2161                         if (bss->wpa_pairwise == -1 ||
2162                             bss->wpa_pairwise == 0)
2163                                 errors++;
2164                         else if (bss->wpa_pairwise &
2165                                  (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
2166                                   WPA_CIPHER_WEP104)) {
2167                                 wpa_printf(MSG_ERROR, "Line %d: unsupported "
2168                                            "pairwise cipher suite '%s'",
2169                                            bss->wpa_pairwise, pos);
2170                                 errors++;
2171                         }
2172                 } else if (os_strcmp(buf, "rsn_pairwise") == 0) {
2173                         bss->rsn_pairwise =
2174                                 hostapd_config_parse_cipher(line, pos);
2175                         if (bss->rsn_pairwise == -1 ||
2176                             bss->rsn_pairwise == 0)
2177                                 errors++;
2178                         else if (bss->rsn_pairwise &
2179                                  (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
2180                                   WPA_CIPHER_WEP104)) {
2181                                 wpa_printf(MSG_ERROR, "Line %d: unsupported "
2182                                            "pairwise cipher suite '%s'",
2183                                            bss->rsn_pairwise, pos);
2184                                 errors++;
2185                         }
2186 #ifdef CONFIG_RSN_PREAUTH
2187                 } else if (os_strcmp(buf, "rsn_preauth") == 0) {
2188                         bss->rsn_preauth = atoi(pos);
2189                 } else if (os_strcmp(buf, "rsn_preauth_interfaces") == 0) {
2190                         bss->rsn_preauth_interfaces = os_strdup(pos);
2191 #endif /* CONFIG_RSN_PREAUTH */
2192 #ifdef CONFIG_PEERKEY
2193                 } else if (os_strcmp(buf, "peerkey") == 0) {
2194                         bss->peerkey = atoi(pos);
2195 #endif /* CONFIG_PEERKEY */
2196 #ifdef CONFIG_IEEE80211R
2197                 } else if (os_strcmp(buf, "mobility_domain") == 0) {
2198                         if (os_strlen(pos) != 2 * MOBILITY_DOMAIN_ID_LEN ||
2199                             hexstr2bin(pos, bss->mobility_domain,
2200                                        MOBILITY_DOMAIN_ID_LEN) != 0) {
2201                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
2202                                            "mobility_domain '%s'", line, pos);
2203                                 errors++;
2204                                 return errors;
2205                         }
2206                 } else if (os_strcmp(buf, "r1_key_holder") == 0) {
2207                         if (os_strlen(pos) != 2 * FT_R1KH_ID_LEN ||
2208                             hexstr2bin(pos, bss->r1_key_holder,
2209                                        FT_R1KH_ID_LEN) != 0) {
2210                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
2211                                            "r1_key_holder '%s'", line, pos);
2212                                 errors++;
2213                                 return errors;
2214                         }
2215                 } else if (os_strcmp(buf, "r0_key_lifetime") == 0) {
2216                         bss->r0_key_lifetime = atoi(pos);
2217                 } else if (os_strcmp(buf, "reassociation_deadline") == 0) {
2218                         bss->reassociation_deadline = atoi(pos);
2219                 } else if (os_strcmp(buf, "r0kh") == 0) {
2220                         if (add_r0kh(bss, pos) < 0) {
2221                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
2222                                            "r0kh '%s'", line, pos);
2223                                 errors++;
2224                                 return errors;
2225                         }
2226                 } else if (os_strcmp(buf, "r1kh") == 0) {
2227                         if (add_r1kh(bss, pos) < 0) {
2228                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
2229                                            "r1kh '%s'", line, pos);
2230                                 errors++;
2231                                 return errors;
2232                         }
2233                 } else if (os_strcmp(buf, "pmk_r1_push") == 0) {
2234                         bss->pmk_r1_push = atoi(pos);
2235                 } else if (os_strcmp(buf, "ft_over_ds") == 0) {
2236                         bss->ft_over_ds = atoi(pos);
2237 #endif /* CONFIG_IEEE80211R */
2238 #ifndef CONFIG_NO_CTRL_IFACE
2239                 } else if (os_strcmp(buf, "ctrl_interface") == 0) {
2240                         os_free(bss->ctrl_interface);
2241                         bss->ctrl_interface = os_strdup(pos);
2242                 } else if (os_strcmp(buf, "ctrl_interface_group") == 0) {
2243 #ifndef CONFIG_NATIVE_WINDOWS
2244                         struct group *grp;
2245                         char *endp;
2246                         const char *group = pos;
2247
2248                         grp = getgrnam(group);
2249                         if (grp) {
2250                                 bss->ctrl_interface_gid = grp->gr_gid;
2251                                 bss->ctrl_interface_gid_set = 1;
2252                                 wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d"
2253                                            " (from group name '%s')",
2254                                            bss->ctrl_interface_gid, group);
2255                                 return errors;
2256                         }
2257
2258                         /* Group name not found - try to parse this as gid */
2259                         bss->ctrl_interface_gid = strtol(group, &endp, 10);
2260                         if (*group == '\0' || *endp != '\0') {
2261                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid group "
2262                                            "'%s'", line, group);
2263                                 errors++;
2264                                 return errors;
2265                         }
2266                         bss->ctrl_interface_gid_set = 1;
2267                         wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d",
2268                                    bss->ctrl_interface_gid);
2269 #endif /* CONFIG_NATIVE_WINDOWS */
2270 #endif /* CONFIG_NO_CTRL_IFACE */
2271 #ifdef RADIUS_SERVER
2272                 } else if (os_strcmp(buf, "radius_server_clients") == 0) {
2273                         os_free(bss->radius_server_clients);
2274                         bss->radius_server_clients = os_strdup(pos);
2275                 } else if (os_strcmp(buf, "radius_server_auth_port") == 0) {
2276                         bss->radius_server_auth_port = atoi(pos);
2277                 } else if (os_strcmp(buf, "radius_server_ipv6") == 0) {
2278                         bss->radius_server_ipv6 = atoi(pos);
2279 #endif /* RADIUS_SERVER */
2280                 } else if (os_strcmp(buf, "test_socket") == 0) {
2281                         os_free(bss->test_socket);
2282                         bss->test_socket = os_strdup(pos);
2283                 } else if (os_strcmp(buf, "use_pae_group_addr") == 0) {
2284                         bss->use_pae_group_addr = atoi(pos);
2285                 } else if (os_strcmp(buf, "hw_mode") == 0) {
2286                         if (os_strcmp(pos, "a") == 0)
2287                                 conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
2288                         else if (os_strcmp(pos, "b") == 0)
2289                                 conf->hw_mode = HOSTAPD_MODE_IEEE80211B;
2290                         else if (os_strcmp(pos, "g") == 0)
2291                                 conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
2292                         else if (os_strcmp(pos, "ad") == 0)
2293                                 conf->hw_mode = HOSTAPD_MODE_IEEE80211AD;
2294                         else {
2295                                 wpa_printf(MSG_ERROR, "Line %d: unknown "
2296                                            "hw_mode '%s'", line, pos);
2297                                 errors++;
2298                         }
2299                 } else if (os_strcmp(buf, "wps_rf_bands") == 0) {
2300                         if (os_strcmp(pos, "a") == 0)
2301                                 bss->wps_rf_bands = WPS_RF_50GHZ;
2302                         else if (os_strcmp(pos, "g") == 0 ||
2303                                  os_strcmp(pos, "b") == 0)
2304                                 bss->wps_rf_bands = WPS_RF_24GHZ;
2305                         else if (os_strcmp(pos, "ag") == 0 ||
2306                                  os_strcmp(pos, "ga") == 0)
2307                                 bss->wps_rf_bands =
2308                                         WPS_RF_24GHZ | WPS_RF_50GHZ;
2309                         else {
2310                                 wpa_printf(MSG_ERROR, "Line %d: unknown "
2311                                            "wps_rf_band '%s'", line, pos);
2312                                 errors++;
2313                         }
2314                 } else if (os_strcmp(buf, "channel") == 0) {
2315                         conf->channel = atoi(pos);
2316                 } else if (os_strcmp(buf, "beacon_int") == 0) {
2317                         int val = atoi(pos);
2318                         /* MIB defines range as 1..65535, but very small values
2319                          * cause problems with the current implementation.
2320                          * Since it is unlikely that this small numbers are
2321                          * useful in real life scenarios, do not allow beacon
2322                          * period to be set below 15 TU. */
2323                         if (val < 15 || val > 65535) {
2324                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2325                                            "beacon_int %d (expected "
2326                                            "15..65535)", line, val);
2327                                 errors++;
2328                         } else
2329                                 conf->beacon_int = val;
2330                 } else if (os_strcmp(buf, "dtim_period") == 0) {
2331                         bss->dtim_period = atoi(pos);
2332                         if (bss->dtim_period < 1 || bss->dtim_period > 255) {
2333                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2334                                            "dtim_period %d",
2335                                            line, bss->dtim_period);
2336                                 errors++;
2337                         }
2338                 } else if (os_strcmp(buf, "rts_threshold") == 0) {
2339                         conf->rts_threshold = atoi(pos);
2340                         if (conf->rts_threshold < 0 ||
2341                             conf->rts_threshold > 2347) {
2342                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2343                                            "rts_threshold %d",
2344                                            line, conf->rts_threshold);
2345                                 errors++;
2346                         }
2347                 } else if (os_strcmp(buf, "fragm_threshold") == 0) {
2348                         conf->fragm_threshold = atoi(pos);
2349                         if (conf->fragm_threshold < 256 ||
2350                             conf->fragm_threshold > 2346) {
2351                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2352                                            "fragm_threshold %d",
2353                                            line, conf->fragm_threshold);
2354                                 errors++;
2355                         }
2356                 } else if (os_strcmp(buf, "send_probe_response") == 0) {
2357                         int val = atoi(pos);
2358                         if (val != 0 && val != 1) {
2359                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2360                                            "send_probe_response %d (expected "
2361                                            "0 or 1)", line, val);
2362                         } else
2363                                 conf->send_probe_response = val;
2364                 } else if (os_strcmp(buf, "supported_rates") == 0) {
2365                         if (hostapd_parse_intlist(&conf->supported_rates, pos))
2366                         {
2367                                 wpa_printf(MSG_ERROR, "Line %d: invalid rate "
2368                                            "list", line);
2369                                 errors++;
2370                         }
2371                 } else if (os_strcmp(buf, "basic_rates") == 0) {
2372                         if (hostapd_parse_intlist(&conf->basic_rates, pos)) {
2373                                 wpa_printf(MSG_ERROR, "Line %d: invalid rate "
2374                                            "list", line);
2375                                 errors++;
2376                         }
2377                 } else if (os_strcmp(buf, "preamble") == 0) {
2378                         if (atoi(pos))
2379                                 conf->preamble = SHORT_PREAMBLE;
2380                         else
2381                                 conf->preamble = LONG_PREAMBLE;
2382                 } else if (os_strcmp(buf, "ignore_broadcast_ssid") == 0) {
2383                         bss->ignore_broadcast_ssid = atoi(pos);
2384                 } else if (os_strcmp(buf, "wep_default_key") == 0) {
2385                         bss->ssid.wep.idx = atoi(pos);
2386                         if (bss->ssid.wep.idx > 3) {
2387                                 wpa_printf(MSG_ERROR, "Invalid "
2388                                            "wep_default_key index %d",
2389                                            bss->ssid.wep.idx);
2390                                 errors++;
2391                         }
2392                 } else if (os_strcmp(buf, "wep_key0") == 0 ||
2393                            os_strcmp(buf, "wep_key1") == 0 ||
2394                            os_strcmp(buf, "wep_key2") == 0 ||
2395                            os_strcmp(buf, "wep_key3") == 0) {
2396                         if (hostapd_config_read_wep(&bss->ssid.wep,
2397                                                     buf[7] - '0', pos)) {
2398                                 wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
2399                                            "key '%s'", line, buf);
2400                                 errors++;
2401                         }
2402 #ifndef CONFIG_NO_VLAN
2403                 } else if (os_strcmp(buf, "dynamic_vlan") == 0) {
2404                         bss->ssid.dynamic_vlan = atoi(pos);
2405                 } else if (os_strcmp(buf, "vlan_file") == 0) {
2406                         if (hostapd_config_read_vlan_file(bss, pos)) {
2407                                 wpa_printf(MSG_ERROR, "Line %d: failed to "
2408                                            "read VLAN file '%s'", line, pos);
2409                                 errors++;
2410                         }
2411                 } else if (os_strcmp(buf, "vlan_naming") == 0) {
2412                         bss->ssid.vlan_naming = atoi(pos);
2413                         if (bss->ssid.vlan_naming >= DYNAMIC_VLAN_NAMING_END ||
2414                             bss->ssid.vlan_naming < 0) {
2415                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2416                                            "naming scheme %d", line,
2417                                            bss->ssid.vlan_naming);
2418                                 errors++;
2419                         }
2420 #ifdef CONFIG_FULL_DYNAMIC_VLAN
2421                 } else if (os_strcmp(buf, "vlan_tagged_interface") == 0) {
2422                         bss->ssid.vlan_tagged_interface = os_strdup(pos);
2423 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
2424 #endif /* CONFIG_NO_VLAN */
2425                 } else if (os_strcmp(buf, "ap_table_max_size") == 0) {
2426                         conf->ap_table_max_size = atoi(pos);
2427                 } else if (os_strcmp(buf, "ap_table_expiration_time") == 0) {
2428                         conf->ap_table_expiration_time = atoi(pos);
2429                 } else if (os_strncmp(buf, "tx_queue_", 9) == 0) {
2430                         if (hostapd_config_tx_queue(conf, buf, pos)) {
2431                                 wpa_printf(MSG_ERROR, "Line %d: invalid TX "
2432                                            "queue item", line);
2433                                 errors++;
2434                         }
2435                 } else if (os_strcmp(buf, "wme_enabled") == 0 ||
2436                            os_strcmp(buf, "wmm_enabled") == 0) {
2437                         bss->wmm_enabled = atoi(pos);
2438                 } else if (os_strcmp(buf, "uapsd_advertisement_enabled") == 0) {
2439                         bss->wmm_uapsd = atoi(pos);
2440                 } else if (os_strncmp(buf, "wme_ac_", 7) == 0 ||
2441                            os_strncmp(buf, "wmm_ac_", 7) == 0) {
2442                         if (hostapd_config_wmm_ac(conf->wmm_ac_params, buf,
2443                                                   pos)) {
2444                                 wpa_printf(MSG_ERROR, "Line %d: invalid WMM "
2445                                            "ac item", line);
2446                                 errors++;
2447                         }
2448                 } else if (os_strcmp(buf, "bss") == 0) {
2449                         if (hostapd_config_bss(conf, pos)) {
2450                                 wpa_printf(MSG_ERROR, "Line %d: invalid bss "
2451                                            "item", line);
2452                                 errors++;
2453                         }
2454                 } else if (os_strcmp(buf, "bssid") == 0) {
2455                         if (hwaddr_aton(pos, bss->bssid)) {
2456                                 wpa_printf(MSG_ERROR, "Line %d: invalid bssid "
2457                                            "item", line);
2458                                 errors++;
2459                         }
2460 #ifdef CONFIG_IEEE80211W
2461                 } else if (os_strcmp(buf, "ieee80211w") == 0) {
2462                         bss->ieee80211w = atoi(pos);
2463                 } else if (os_strcmp(buf, "assoc_sa_query_max_timeout") == 0) {
2464                         bss->assoc_sa_query_max_timeout = atoi(pos);
2465                         if (bss->assoc_sa_query_max_timeout == 0) {
2466                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2467                                            "assoc_sa_query_max_timeout", line);
2468                                 errors++;
2469                         }
2470                 } else if (os_strcmp(buf, "assoc_sa_query_retry_timeout") == 0)
2471                 {
2472                         bss->assoc_sa_query_retry_timeout = atoi(pos);
2473                         if (bss->assoc_sa_query_retry_timeout == 0) {
2474                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2475                                            "assoc_sa_query_retry_timeout",
2476                                            line);
2477                                 errors++;
2478                         }
2479 #endif /* CONFIG_IEEE80211W */
2480 #ifdef CONFIG_IEEE80211N
2481                 } else if (os_strcmp(buf, "ieee80211n") == 0) {
2482                         conf->ieee80211n = atoi(pos);
2483                 } else if (os_strcmp(buf, "ht_capab") == 0) {
2484                         if (hostapd_config_ht_capab(conf, pos) < 0) {
2485                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2486                                            "ht_capab", line);
2487                                 errors++;
2488                         }
2489                 } else if (os_strcmp(buf, "require_ht") == 0) {
2490                         conf->require_ht = atoi(pos);
2491 #endif /* CONFIG_IEEE80211N */
2492 #ifdef CONFIG_IEEE80211AC
2493                 } else if (os_strcmp(buf, "ieee80211ac") == 0) {
2494                         conf->ieee80211ac = atoi(pos);
2495                 } else if (os_strcmp(buf, "vht_capab") == 0) {
2496                         if (hostapd_config_vht_capab(conf, pos) < 0) {
2497                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2498                                            "vht_capab", line);
2499                                 errors++;
2500                         }
2501                 } else if (os_strcmp(buf, "require_vht") == 0) {
2502                         conf->require_vht = atoi(pos);
2503                 } else if (os_strcmp(buf, "vht_oper_chwidth") == 0) {
2504                         conf->vht_oper_chwidth = atoi(pos);
2505                 } else if (os_strcmp(buf, "vht_oper_centr_freq_seg0_idx") == 0)
2506                 {
2507                         conf->vht_oper_centr_freq_seg0_idx = atoi(pos);
2508                 } else if (os_strcmp(buf, "vht_oper_centr_freq_seg1_idx") == 0)
2509                 {
2510                         conf->vht_oper_centr_freq_seg1_idx = atoi(pos);
2511 #endif /* CONFIG_IEEE80211AC */
2512                 } else if (os_strcmp(buf, "max_listen_interval") == 0) {
2513                         bss->max_listen_interval = atoi(pos);
2514                 } else if (os_strcmp(buf, "disable_pmksa_caching") == 0) {
2515                         bss->disable_pmksa_caching = atoi(pos);
2516                 } else if (os_strcmp(buf, "okc") == 0) {
2517                         bss->okc = atoi(pos);
2518 #ifdef CONFIG_WPS
2519                 } else if (os_strcmp(buf, "wps_state") == 0) {
2520                         bss->wps_state = atoi(pos);
2521                         if (bss->wps_state < 0 || bss->wps_state > 2) {
2522                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2523                                            "wps_state", line);
2524                                 errors++;
2525                         }
2526                 } else if (os_strcmp(buf, "wps_independent") == 0) {
2527                         bss->wps_independent = atoi(pos);
2528                 } else if (os_strcmp(buf, "ap_setup_locked") == 0) {
2529                         bss->ap_setup_locked = atoi(pos);
2530                 } else if (os_strcmp(buf, "uuid") == 0) {
2531                         if (uuid_str2bin(pos, bss->uuid)) {
2532                                 wpa_printf(MSG_ERROR, "Line %d: invalid UUID",
2533                                            line);
2534                                 errors++;
2535                         }
2536                 } else if (os_strcmp(buf, "wps_pin_requests") == 0) {
2537                         os_free(bss->wps_pin_requests);
2538                         bss->wps_pin_requests = os_strdup(pos);
2539                 } else if (os_strcmp(buf, "device_name") == 0) {
2540                         if (os_strlen(pos) > 32) {
2541                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
2542                                            "device_name", line);
2543                                 errors++;
2544                         }
2545                         os_free(bss->device_name);
2546                         bss->device_name = os_strdup(pos);
2547                 } else if (os_strcmp(buf, "manufacturer") == 0) {
2548                         if (os_strlen(pos) > 64) {
2549                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
2550                                            "manufacturer", line);
2551                                 errors++;
2552                         }
2553                         os_free(bss->manufacturer);
2554                         bss->manufacturer = os_strdup(pos);
2555                 } else if (os_strcmp(buf, "model_name") == 0) {
2556                         if (os_strlen(pos) > 32) {
2557                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
2558                                            "model_name", line);
2559                                 errors++;
2560                         }
2561                         os_free(bss->model_name);
2562                         bss->model_name = os_strdup(pos);
2563                 } else if (os_strcmp(buf, "model_number") == 0) {
2564                         if (os_strlen(pos) > 32) {
2565                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
2566                                            "model_number", line);
2567                                 errors++;
2568                         }
2569                         os_free(bss->model_number);
2570                         bss->model_number = os_strdup(pos);
2571                 } else if (os_strcmp(buf, "serial_number") == 0) {
2572                         if (os_strlen(pos) > 32) {
2573                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
2574                                            "serial_number", line);
2575                                 errors++;
2576                         }
2577                         os_free(bss->serial_number);
2578                         bss->serial_number = os_strdup(pos);
2579                 } else if (os_strcmp(buf, "device_type") == 0) {
2580                         if (wps_dev_type_str2bin(pos, bss->device_type))
2581                                 errors++;
2582                 } else if (os_strcmp(buf, "config_methods") == 0) {
2583                         os_free(bss->config_methods);
2584                         bss->config_methods = os_strdup(pos);
2585                 } else if (os_strcmp(buf, "os_version") == 0) {
2586                         if (hexstr2bin(pos, bss->os_version, 4)) {
2587                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2588                                            "os_version", line);
2589                                 errors++;
2590                         }
2591                 } else if (os_strcmp(buf, "ap_pin") == 0) {
2592                         os_free(bss->ap_pin);
2593                         bss->ap_pin = os_strdup(pos);
2594                 } else if (os_strcmp(buf, "skip_cred_build") == 0) {
2595                         bss->skip_cred_build = atoi(pos);
2596                 } else if (os_strcmp(buf, "extra_cred") == 0) {
2597                         os_free(bss->extra_cred);
2598                         bss->extra_cred =
2599                                 (u8 *) os_readfile(pos, &bss->extra_cred_len);
2600                         if (bss->extra_cred == NULL) {
2601                                 wpa_printf(MSG_ERROR, "Line %d: could not "
2602                                            "read Credentials from '%s'",
2603                                            line, pos);
2604                                 errors++;
2605                         }
2606                 } else if (os_strcmp(buf, "wps_cred_processing") == 0) {
2607                         bss->wps_cred_processing = atoi(pos);
2608                 } else if (os_strcmp(buf, "ap_settings") == 0) {
2609                         os_free(bss->ap_settings);
2610                         bss->ap_settings =
2611                                 (u8 *) os_readfile(pos, &bss->ap_settings_len);
2612                         if (bss->ap_settings == NULL) {
2613                                 wpa_printf(MSG_ERROR, "Line %d: could not "
2614                                            "read AP Settings from '%s'",
2615                                            line, pos);
2616                                 errors++;
2617                         }
2618                 } else if (os_strcmp(buf, "upnp_iface") == 0) {
2619                         bss->upnp_iface = os_strdup(pos);
2620                 } else if (os_strcmp(buf, "friendly_name") == 0) {
2621                         os_free(bss->friendly_name);
2622                         bss->friendly_name = os_strdup(pos);
2623                 } else if (os_strcmp(buf, "manufacturer_url") == 0) {
2624                         os_free(bss->manufacturer_url);
2625                         bss->manufacturer_url = os_strdup(pos);
2626                 } else if (os_strcmp(buf, "model_description") == 0) {
2627                         os_free(bss->model_description);
2628                         bss->model_description = os_strdup(pos);
2629                 } else if (os_strcmp(buf, "model_url") == 0) {
2630                         os_free(bss->model_url);
2631                         bss->model_url = os_strdup(pos);
2632                 } else if (os_strcmp(buf, "upc") == 0) {
2633                         os_free(bss->upc);
2634                         bss->upc = os_strdup(pos);
2635                 } else if (os_strcmp(buf, "pbc_in_m1") == 0) {
2636                         bss->pbc_in_m1 = atoi(pos);
2637 #ifdef CONFIG_WPS_NFC
2638                 } else if (os_strcmp(buf, "wps_nfc_dev_pw_id") == 0) {
2639                         bss->wps_nfc_dev_pw_id = atoi(pos);
2640                         if (bss->wps_nfc_dev_pw_id < 0x10 ||
2641                             bss->wps_nfc_dev_pw_id > 0xffff) {
2642                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2643                                            "wps_nfc_dev_pw_id value", line);
2644                                 errors++;
2645                         }
2646                         bss->wps_nfc_pw_from_config = 1;
2647                 } else if (os_strcmp(buf, "wps_nfc_dh_pubkey") == 0) {
2648                         wpabuf_free(bss->wps_nfc_dh_pubkey);
2649                         bss->wps_nfc_dh_pubkey = hostapd_parse_bin(pos);
2650                         bss->wps_nfc_pw_from_config = 1;
2651                 } else if (os_strcmp(buf, "wps_nfc_dh_privkey") == 0) {
2652                         wpabuf_free(bss->wps_nfc_dh_privkey);
2653                         bss->wps_nfc_dh_privkey = hostapd_parse_bin(pos);
2654                         bss->wps_nfc_pw_from_config = 1;
2655                 } else if (os_strcmp(buf, "wps_nfc_dev_pw") == 0) {
2656                         wpabuf_free(bss->wps_nfc_dev_pw);
2657                         bss->wps_nfc_dev_pw = hostapd_parse_bin(pos);
2658                         bss->wps_nfc_pw_from_config = 1;
2659 #endif /* CONFIG_WPS_NFC */
2660 #endif /* CONFIG_WPS */
2661 #ifdef CONFIG_P2P_MANAGER
2662                 } else if (os_strcmp(buf, "manage_p2p") == 0) {
2663                         int manage = atoi(pos);
2664                         if (manage)
2665                                 bss->p2p |= P2P_MANAGE;
2666                         else
2667                                 bss->p2p &= ~P2P_MANAGE;
2668                 } else if (os_strcmp(buf, "allow_cross_connection") == 0) {
2669                         if (atoi(pos))
2670                                 bss->p2p |= P2P_ALLOW_CROSS_CONNECTION;
2671                         else
2672                                 bss->p2p &= ~P2P_ALLOW_CROSS_CONNECTION;
2673 #endif /* CONFIG_P2P_MANAGER */
2674                 } else if (os_strcmp(buf, "disassoc_low_ack") == 0) {
2675                         bss->disassoc_low_ack = atoi(pos);
2676                 } else if (os_strcmp(buf, "tdls_prohibit") == 0) {
2677                         int val = atoi(pos);
2678                         if (val)
2679                                 bss->tdls |= TDLS_PROHIBIT;
2680                         else
2681                                 bss->tdls &= ~TDLS_PROHIBIT;
2682                 } else if (os_strcmp(buf, "tdls_prohibit_chan_switch") == 0) {
2683                         int val = atoi(pos);
2684                         if (val)
2685                                 bss->tdls |= TDLS_PROHIBIT_CHAN_SWITCH;
2686                         else
2687                                 bss->tdls &= ~TDLS_PROHIBIT_CHAN_SWITCH;
2688 #ifdef CONFIG_RSN_TESTING
2689                 } else if (os_strcmp(buf, "rsn_testing") == 0) {
2690                         extern int rsn_testing;
2691                         rsn_testing = atoi(pos);
2692 #endif /* CONFIG_RSN_TESTING */
2693                 } else if (os_strcmp(buf, "time_advertisement") == 0) {
2694                         bss->time_advertisement = atoi(pos);
2695                 } else if (os_strcmp(buf, "time_zone") == 0) {
2696                         size_t tz_len = os_strlen(pos);
2697                         if (tz_len < 4 || tz_len > 255) {
2698                                 wpa_printf(MSG_DEBUG, "Line %d: invalid "
2699                                            "time_zone", line);
2700                                 errors++;
2701                                 return errors;
2702                         }
2703                         os_free(bss->time_zone);
2704                         bss->time_zone = os_strdup(pos);
2705                         if (bss->time_zone == NULL)
2706                                 errors++;
2707 #ifdef CONFIG_WNM
2708                 } else if (os_strcmp(buf, "wnm_sleep_mode") == 0) {
2709                         bss->wnm_sleep_mode = atoi(pos);
2710                 } else if (os_strcmp(buf, "bss_transition") == 0) {
2711                         bss->bss_transition = atoi(pos);
2712 #endif /* CONFIG_WNM */
2713 #ifdef CONFIG_INTERWORKING
2714                 } else if (os_strcmp(buf, "interworking") == 0) {
2715                         bss->interworking = atoi(pos);
2716                 } else if (os_strcmp(buf, "access_network_type") == 0) {
2717                         bss->access_network_type = atoi(pos);
2718                         if (bss->access_network_type < 0 ||
2719                             bss->access_network_type > 15) {
2720                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2721                                            "access_network_type", line);
2722                                 errors++;
2723                         }
2724                 } else if (os_strcmp(buf, "internet") == 0) {
2725                         bss->internet = atoi(pos);
2726                 } else if (os_strcmp(buf, "asra") == 0) {
2727                         bss->asra = atoi(pos);
2728                 } else if (os_strcmp(buf, "esr") == 0) {
2729                         bss->esr = atoi(pos);
2730                 } else if (os_strcmp(buf, "uesa") == 0) {
2731                         bss->uesa = atoi(pos);
2732                 } else if (os_strcmp(buf, "venue_group") == 0) {
2733                         bss->venue_group = atoi(pos);
2734                         bss->venue_info_set = 1;
2735                 } else if (os_strcmp(buf, "venue_type") == 0) {
2736                         bss->venue_type = atoi(pos);
2737                         bss->venue_info_set = 1;
2738                 } else if (os_strcmp(buf, "hessid") == 0) {
2739                         if (hwaddr_aton(pos, bss->hessid)) {
2740                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2741                                            "hessid", line);
2742                                 errors++;
2743                         }
2744                 } else if (os_strcmp(buf, "roaming_consortium") == 0) {
2745                         if (parse_roaming_consortium(bss, pos, line) < 0)
2746                                 errors++;
2747                 } else if (os_strcmp(buf, "venue_name") == 0) {
2748                         if (parse_venue_name(bss, pos, line) < 0)
2749                                 errors++;
2750                 } else if (os_strcmp(buf, "network_auth_type") == 0) {
2751                         u8 auth_type;
2752                         u16 redirect_url_len;
2753                         if (hexstr2bin(pos, &auth_type, 1)) {
2754                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2755                                            "network_auth_type '%s'",
2756                                            line, pos);
2757                                 errors++;
2758                                 return errors;
2759                         }
2760                         if (auth_type == 0 || auth_type == 2)
2761                                 redirect_url_len = os_strlen(pos + 2);
2762                         else
2763                                 redirect_url_len = 0;
2764                         os_free(bss->network_auth_type);
2765                         bss->network_auth_type =
2766                                 os_malloc(redirect_url_len + 3 + 1);
2767                         if (bss->network_auth_type == NULL) {
2768                                 errors++;
2769                                 return errors;
2770                         }
2771                         *bss->network_auth_type = auth_type;
2772                         WPA_PUT_LE16(bss->network_auth_type + 1,
2773                                      redirect_url_len);
2774                         if (redirect_url_len)
2775                                 os_memcpy(bss->network_auth_type + 3,
2776                                           pos + 2, redirect_url_len);
2777                         bss->network_auth_type_len = 3 + redirect_url_len;
2778                 } else if (os_strcmp(buf, "ipaddr_type_availability") == 0) {
2779                         if (hexstr2bin(pos, &bss->ipaddr_type_availability, 1))
2780                         {
2781                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2782                                            "ipaddr_type_availability '%s'",
2783                                            line, pos);
2784                                 bss->ipaddr_type_configured = 0;
2785                                 errors++;
2786                                 return errors;
2787                         }
2788                         bss->ipaddr_type_configured = 1;
2789                 } else if (os_strcmp(buf, "domain_name") == 0) {
2790                         int j, num_domains, domain_len, domain_list_len = 0;
2791                         char *tok_start, *tok_prev;
2792                         u8 *domain_list, *domain_ptr;
2793
2794                         domain_list_len = os_strlen(pos) + 1;
2795                         domain_list = os_malloc(domain_list_len);
2796                         if (domain_list == NULL) {
2797                                 errors++;
2798                                 return errors;
2799                         }
2800
2801                         domain_ptr = domain_list;
2802                         tok_prev = pos;
2803                         num_domains = 1;
2804                         while ((tok_prev = os_strchr(tok_prev, ','))) {
2805                                 num_domains++;
2806                                 tok_prev++;
2807                         }
2808                         tok_prev = pos;
2809                         for (j = 0; j < num_domains; j++) {
2810                                 tok_start = os_strchr(tok_prev, ',');
2811                                 if (tok_start) {
2812                                         domain_len = tok_start - tok_prev;
2813                                         *domain_ptr = domain_len;
2814                                         os_memcpy(domain_ptr + 1, tok_prev,
2815                                                   domain_len);
2816                                         domain_ptr += domain_len + 1;
2817                                         tok_prev = ++tok_start;
2818                                 } else {
2819                                         domain_len = os_strlen(tok_prev);
2820                                         *domain_ptr = domain_len;
2821                                         os_memcpy(domain_ptr + 1, tok_prev,
2822                                                   domain_len);
2823                                         domain_ptr += domain_len + 1;
2824                                 }
2825                         }
2826
2827                         os_free(bss->domain_name);
2828                         bss->domain_name = domain_list;
2829                         bss->domain_name_len = domain_list_len;
2830                 } else if (os_strcmp(buf, "anqp_3gpp_cell_net") == 0) {
2831                         if (parse_3gpp_cell_net(bss, pos, line) < 0)
2832                                 errors++;
2833                 } else if (os_strcmp(buf, "nai_realm") == 0) {
2834                         if (parse_nai_realm(bss, pos, line) < 0)
2835                                 errors++;
2836                 } else if (os_strcmp(buf, "gas_frag_limit") == 0) {
2837                         bss->gas_frag_limit = atoi(pos);
2838                 } else if (os_strcmp(buf, "gas_comeback_delay") == 0) {
2839                         bss->gas_comeback_delay = atoi(pos);
2840 #endif /* CONFIG_INTERWORKING */
2841 #ifdef CONFIG_RADIUS_TEST
2842                 } else if (os_strcmp(buf, "dump_msk_file") == 0) {
2843                         os_free(bss->dump_msk_file);
2844                         bss->dump_msk_file = os_strdup(pos);
2845 #endif /* CONFIG_RADIUS_TEST */
2846 #ifdef CONFIG_HS20
2847                 } else if (os_strcmp(buf, "hs20") == 0) {
2848                         bss->hs20 = atoi(pos);
2849                 } else if (os_strcmp(buf, "disable_dgaf") == 0) {
2850                         bss->disable_dgaf = atoi(pos);
2851                 } else if (os_strcmp(buf, "hs20_oper_friendly_name") == 0) {
2852                         if (hs20_parse_oper_friendly_name(bss, pos, line) < 0)
2853                                 errors++;
2854                 } else if (os_strcmp(buf, "hs20_wan_metrics") == 0) {
2855                         if (hs20_parse_wan_metrics(bss, pos, line) < 0) {
2856                                 errors++;
2857                                 return errors;
2858                         }
2859                 } else if (os_strcmp(buf, "hs20_conn_capab") == 0) {
2860                         if (hs20_parse_conn_capab(bss, pos, line) < 0) {
2861                                 errors++;
2862                                 return errors;
2863                         }
2864                 } else if (os_strcmp(buf, "hs20_operating_class") == 0) {
2865                         u8 *oper_class;
2866                         size_t oper_class_len;
2867                         oper_class_len = os_strlen(pos);
2868                         if (oper_class_len < 2 || (oper_class_len & 0x01)) {
2869                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2870                                            "hs20_operating_class '%s'",
2871                                            line, pos);
2872                                 errors++;
2873                                 return errors;
2874                         }
2875                         oper_class_len /= 2;
2876                         oper_class = os_malloc(oper_class_len);
2877                         if (oper_class == NULL) {
2878                                 errors++;
2879                                 return errors;
2880                         }
2881                         if (hexstr2bin(pos, oper_class, oper_class_len)) {
2882                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2883                                            "hs20_operating_class '%s'",
2884                                            line, pos);
2885                                 os_free(oper_class);
2886                                 errors++;
2887                                 return errors;
2888                         }
2889                         os_free(bss->hs20_operating_class);
2890                         bss->hs20_operating_class = oper_class;
2891                         bss->hs20_operating_class_len = oper_class_len;
2892 #endif /* CONFIG_HS20 */
2893 #ifdef CONFIG_TESTING_OPTIONS
2894 #define PARSE_TEST_PROBABILITY(_val)                                    \
2895                 } else if (os_strcmp(buf, #_val) == 0) {                \
2896                         char *end;                                      \
2897                                                                         \
2898                         conf->_val = strtod(pos, &end);                 \
2899                         if (*end || conf->_val < 0.0d ||                \
2900                             conf->_val > 1.0d) {                        \
2901                                 wpa_printf(MSG_ERROR,                   \
2902                                            "Line %d: Invalid value '%s'", \
2903                                            line, pos);                  \
2904                                 errors++;                               \
2905                                 return errors;                          \
2906                         }
2907                 PARSE_TEST_PROBABILITY(ignore_probe_probability)
2908                 PARSE_TEST_PROBABILITY(ignore_auth_probability)
2909                 PARSE_TEST_PROBABILITY(ignore_assoc_probability)
2910                 PARSE_TEST_PROBABILITY(ignore_reassoc_probability)
2911                 PARSE_TEST_PROBABILITY(corrupt_gtk_rekey_mic_probability)
2912 #endif /* CONFIG_TESTING_OPTIONS */
2913                 } else if (os_strcmp(buf, "vendor_elements") == 0) {
2914                         struct wpabuf *elems;
2915                         size_t len = os_strlen(pos);
2916                         if (len & 0x01) {
2917                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2918                                            "vendor_elements '%s'", line, pos);
2919                                 return 1;
2920                         }
2921                         len /= 2;
2922                         if (len == 0) {
2923                                 wpabuf_free(bss->vendor_elements);
2924                                 bss->vendor_elements = NULL;
2925                                 return 0;
2926                         }
2927
2928                         elems = wpabuf_alloc(len);
2929                         if (elems == NULL)
2930                                 return 1;
2931
2932                         if (hexstr2bin(pos, wpabuf_put(elems, len), len)) {
2933                                 wpabuf_free(elems);
2934                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2935                                            "vendor_elements '%s'", line, pos);
2936                                 return 1;
2937                         }
2938
2939                         wpabuf_free(bss->vendor_elements);
2940                         bss->vendor_elements = elems;
2941                 } else if (os_strcmp(buf, "sae_anti_clogging_threshold") == 0) {
2942                         bss->sae_anti_clogging_threshold = atoi(pos);
2943                 } else if (os_strcmp(buf, "sae_groups") == 0) {
2944                         if (hostapd_parse_intlist(&bss->sae_groups, pos)) {
2945                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2946                                            "sae_groups value '%s'", line, pos);
2947                                 return 1;
2948                         }
2949                 } else {
2950                         wpa_printf(MSG_ERROR, "Line %d: unknown configuration "
2951                                    "item '%s'", line, buf);
2952                         errors++;
2953                 }
2954         }
2955
2956         return errors;
2957 }
2958
2959
2960 static void hostapd_set_security_params(struct hostapd_bss_config *bss)
2961 {
2962         if (bss->individual_wep_key_len == 0) {
2963                 /* individual keys are not use; can use key idx0 for
2964                  * broadcast keys */
2965                 bss->broadcast_key_idx_min = 0;
2966         }
2967
2968         if ((bss->wpa & 2) && bss->rsn_pairwise == 0)
2969                 bss->rsn_pairwise = bss->wpa_pairwise;
2970         bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise,
2971                                                     bss->rsn_pairwise);
2972
2973         bss->radius->auth_server = bss->radius->auth_servers;
2974         bss->radius->acct_server = bss->radius->acct_servers;
2975
2976         if (bss->wpa && bss->ieee802_1x) {
2977                 bss->ssid.security_policy = SECURITY_WPA;
2978         } else if (bss->wpa) {
2979                 bss->ssid.security_policy = SECURITY_WPA_PSK;
2980         } else if (bss->ieee802_1x) {
2981                 int cipher = WPA_CIPHER_NONE;
2982                 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
2983                 bss->ssid.wep.default_len = bss->default_wep_key_len;
2984                 if (bss->default_wep_key_len)
2985                         cipher = bss->default_wep_key_len >= 13 ?
2986                                 WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
2987                 bss->wpa_group = cipher;
2988                 bss->wpa_pairwise = cipher;
2989                 bss->rsn_pairwise = cipher;
2990         } else if (bss->ssid.wep.keys_set) {
2991                 int cipher = WPA_CIPHER_WEP40;
2992                 if (bss->ssid.wep.len[0] >= 13)
2993                         cipher = WPA_CIPHER_WEP104;
2994                 bss->ssid.security_policy = SECURITY_STATIC_WEP;
2995                 bss->wpa_group = cipher;
2996                 bss->wpa_pairwise = cipher;
2997                 bss->rsn_pairwise = cipher;
2998         } else {
2999                 bss->ssid.security_policy = SECURITY_PLAINTEXT;
3000                 bss->wpa_group = WPA_CIPHER_NONE;
3001                 bss->wpa_pairwise = WPA_CIPHER_NONE;
3002                 bss->rsn_pairwise = WPA_CIPHER_NONE;
3003         }
3004 }
3005
3006
3007 /**
3008  * hostapd_config_read - Read and parse a configuration file
3009  * @fname: Configuration file name (including path, if needed)
3010  * Returns: Allocated configuration data structure
3011  */
3012 struct hostapd_config * hostapd_config_read(const char *fname)
3013 {
3014         struct hostapd_config *conf;
3015         struct hostapd_bss_config *bss;
3016         FILE *f;
3017         char buf[512], *pos;
3018         int line = 0;
3019         int errors = 0;
3020         size_t i;
3021
3022         f = fopen(fname, "r");
3023         if (f == NULL) {
3024                 wpa_printf(MSG_ERROR, "Could not open configuration file '%s' "
3025                            "for reading.", fname);
3026                 return NULL;
3027         }
3028
3029         conf = hostapd_config_defaults();
3030         if (conf == NULL) {
3031                 fclose(f);
3032                 return NULL;
3033         }
3034
3035         /* set default driver based on configuration */
3036         conf->driver = wpa_drivers[0];
3037         if (conf->driver == NULL) {
3038                 wpa_printf(MSG_ERROR, "No driver wrappers registered!");
3039                 hostapd_config_free(conf);
3040                 fclose(f);
3041                 return NULL;
3042         }
3043
3044         bss = conf->last_bss = conf->bss;
3045
3046         while (fgets(buf, sizeof(buf), f)) {
3047                 bss = conf->last_bss;
3048                 line++;
3049
3050                 if (buf[0] == '#')
3051                         continue;
3052                 pos = buf;
3053                 while (*pos != '\0') {
3054                         if (*pos == '\n') {
3055                                 *pos = '\0';
3056                                 break;
3057                         }
3058                         pos++;
3059                 }
3060                 if (buf[0] == '\0')
3061                         continue;
3062
3063                 pos = os_strchr(buf, '=');
3064                 if (pos == NULL) {
3065                         wpa_printf(MSG_ERROR, "Line %d: invalid line '%s'",
3066                                    line, buf);
3067                         errors++;
3068                         continue;
3069                 }
3070                 *pos = '\0';
3071                 pos++;
3072                 errors += hostapd_config_fill(conf, bss, buf, pos, line);
3073         }
3074
3075         fclose(f);
3076
3077         for (i = 0; i < conf->num_bss; i++)
3078                 hostapd_set_security_params(&conf->bss[i]);
3079
3080         if (hostapd_config_check(conf))
3081                 errors++;
3082
3083 #ifndef WPA_IGNORE_CONFIG_ERRORS
3084         if (errors) {
3085                 wpa_printf(MSG_ERROR, "%d errors found in configuration file "
3086                            "'%s'", errors, fname);
3087                 hostapd_config_free(conf);
3088                 conf = NULL;
3089         }
3090 #endif /* WPA_IGNORE_CONFIG_ERRORS */
3091
3092         return conf;
3093 }
3094
3095
3096 int hostapd_set_iface(struct hostapd_config *conf,
3097                       struct hostapd_bss_config *bss, char *field, char *value)
3098 {
3099         int errors;
3100         size_t i;
3101
3102         errors = hostapd_config_fill(conf, bss, field, value, 0);
3103         if (errors) {
3104                 wpa_printf(MSG_INFO, "Failed to set configuration field '%s' "
3105                            "to value '%s'", field, value);
3106                 return -1;
3107         }
3108
3109         for (i = 0; i < conf->num_bss; i++)
3110                 hostapd_set_security_params(&conf->bss[i]);
3111
3112         if (hostapd_config_check(conf)) {
3113                 wpa_printf(MSG_ERROR, "Configuration check failed");
3114                 return -1;
3115         }
3116
3117         return 0;
3118 }