hostapd/config_file.c

   1 /*
   2  * hostapd / Configuration file parser
   3  * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  * Alternatively, this software may be distributed under the terms of BSD
  10  * license.
  11  *
  12  * See README and COPYING for more details.
  13  */
  14
  15 #include "includes.h"
  16 #ifndef CONFIG_NATIVE_WINDOWS
  17 #include <grp.h>
  18 #endif /* CONFIG_NATIVE_WINDOWS */
  19
  20 #include "common.h"
  21 #include "uuid.h"
  22 #include "common/ieee802_11_defs.h"
  23 #include "drivers/driver.h"
  24 #include "eap_server/eap.h"
  25 #include "radius/radius_client.h"
  26 #include "ap/wpa.h"
  27 #include "ap/config.h"
  28 #include "config_file.h"
  29
  30
  31 extern struct wpa_driver_ops *wpa_drivers[];
  32
  33
  34 #ifndef CONFIG_NO_VLAN
  35 static int hostapd_config_read_vlan_file(struct hostapd_bss_config *bss,
  36                                          const char *fname)
  37 {
  38         FILE *f;
  39         char buf[128], *pos, *pos2;
  40         int line = 0, vlan_id;
  41         struct hostapd_vlan *vlan;
  42
  43         f = fopen(fname, "r");
  44         if (!f) {
  45                 wpa_printf(MSG_ERROR, "VLAN file '%s' not readable.", fname);
  46                 return -1;
  47         }
  48
  49         while (fgets(buf, sizeof(buf), f)) {
  50                 line++;
  51
  52                 if (buf[0] == '#')
  53                         continue;
  54                 pos = buf;
  55                 while (*pos != '\0') {
  56                         if (*pos == '\n') {
  57                                 *pos = '\0';
  58                                 break;
  59                         }
  60                         pos++;
  61                 }
  62                 if (buf[0] == '\0')
  63                         continue;
  64
  65                 if (buf[0] == '*') {
  66                         vlan_id = VLAN_ID_WILDCARD;
  67                         pos = buf + 1;
  68                 } else {
  69                         vlan_id = strtol(buf, &pos, 10);
  70                         if (buf == pos || vlan_id < 1 ||
  71                             vlan_id > MAX_VLAN_ID) {
  72                                 wpa_printf(MSG_ERROR, "Invalid VLAN ID at "
  73                                            "line %d in '%s'", line, fname);
  74                                 fclose(f);
  75                                 return -1;
  76                         }
  77                 }
  78
  79                 while (*pos == ' ' || *pos == '\t')
  80                         pos++;
  81                 pos2 = pos;
  82                 while (*pos2 != ' ' && *pos2 != '\t' && *pos2 != '\0')
  83                         pos2++;
  84                 *pos2 = '\0';
  85                 if (*pos == '\0' || os_strlen(pos) > IFNAMSIZ) {
  86                         wpa_printf(MSG_ERROR, "Invalid VLAN ifname at line %d "
  87                                    "in '%s'", line, fname);
  88                         fclose(f);
  89                         return -1;
  90                 }
  91
  92                 vlan = os_malloc(sizeof(*vlan));
  93                 if (vlan == NULL) {
  94                         wpa_printf(MSG_ERROR, "Out of memory while reading "
  95                                    "VLAN interfaces from '%s'", fname);
  96                         fclose(f);
  97                         return -1;
  98                 }
  99
 100                 os_memset(vlan, 0, sizeof(*vlan));
 101                 vlan->vlan_id = vlan_id;
 102                 os_strlcpy(vlan->ifname, pos, sizeof(vlan->ifname));
 103                 if (bss->vlan_tail)
 104                         bss->vlan_tail->next = vlan;
 105                 else
 106                         bss->vlan = vlan;
 107                 bss->vlan_tail = vlan;
 108         }
 109
 110         fclose(f);
 111
 112         return 0;
 113 }
 114 #endif /* CONFIG_NO_VLAN */
 115
 116
 117 static int hostapd_acl_comp(const void *a, const void *b)
 118 {
 119         const struct mac_acl_entry *aa = a;
 120         const struct mac_acl_entry *bb = b;
 121         return os_memcmp(aa->addr, bb->addr, sizeof(macaddr));
 122 }
 123
 124
 125 static int hostapd_config_read_maclist(const char *fname,
 126                                        struct mac_acl_entry **acl, int *num)
 127 {
 128         FILE *f;
 129         char buf[128], *pos;
 130         int line = 0;
 131         u8 addr[ETH_ALEN];
 132         struct mac_acl_entry *newacl;
 133         int vlan_id;
 134
 135         if (!fname)
 136                 return 0;
 137
 138         f = fopen(fname, "r");
 139         if (!f) {
 140                 wpa_printf(MSG_ERROR, "MAC list file '%s' not found.", fname);
 141                 return -1;
 142         }
 143
 144         while (fgets(buf, sizeof(buf), f)) {
 145                 line++;
 146
 147                 if (buf[0] == '#')
 148                         continue;
 149                 pos = buf;
 150                 while (*pos != '\0') {
 151                         if (*pos == '\n') {
 152                                 *pos = '\0';
 153                                 break;
 154                         }
 155                         pos++;
 156                 }
 157                 if (buf[0] == '\0')
 158                         continue;
 159
 160                 if (hwaddr_aton(buf, addr)) {
 161                         wpa_printf(MSG_ERROR, "Invalid MAC address '%s' at "
 162                                    "line %d in '%s'", buf, line, fname);
 163                         fclose(f);
 164                         return -1;
 165                 }
 166
 167                 vlan_id = 0;
 168                 pos = buf;
 169                 while (*pos != '\0' && *pos != ' ' && *pos != '\t')
 170                         pos++;
 171                 while (*pos == ' ' || *pos == '\t')
 172                         pos++;
 173                 if (*pos != '\0')
 174                         vlan_id = atoi(pos);
 175
 176                 newacl = os_realloc(*acl, (*num + 1) * sizeof(**acl));
 177                 if (newacl == NULL) {
 178                         wpa_printf(MSG_ERROR, "MAC list reallocation failed");
 179                         fclose(f);
 180                         return -1;
 181                 }
 182
 183                 *acl = newacl;
 184                 os_memcpy((*acl)[*num].addr, addr, ETH_ALEN);
 185                 (*acl)[*num].vlan_id = vlan_id;
 186                 (*num)++;
 187         }
 188
 189         fclose(f);
 190
 191         qsort(*acl, *num, sizeof(**acl), hostapd_acl_comp);
 192
 193         return 0;
 194 }
 195
 196
 197 #ifdef EAP_SERVER
 198 static int hostapd_config_read_eap_user(const char *fname,
 199                                         struct hostapd_bss_config *conf)
 200 {
 201         FILE *f;
 202         char buf[512], *pos, *start, *pos2;
 203         int line = 0, ret = 0, num_methods;
 204         struct hostapd_eap_user *user, *tail = NULL;
 205
 206         if (!fname)
 207                 return 0;
 208
 209         f = fopen(fname, "r");
 210         if (!f) {
 211                 wpa_printf(MSG_ERROR, "EAP user file '%s' not found.", fname);
 212                 return -1;
 213         }
 214
 215         /* Lines: "user" METHOD,METHOD2 "password" (password optional) */
 216         while (fgets(buf, sizeof(buf), f)) {
 217                 line++;
 218
 219                 if (buf[0] == '#')
 220                         continue;
 221                 pos = buf;
 222                 while (*pos != '\0') {
 223                         if (*pos == '\n') {
 224                                 *pos = '\0';
 225                                 break;
 226                         }
 227                         pos++;
 228                 }
 229                 if (buf[0] == '\0')
 230                         continue;
 231
 232                 user = NULL;
 233
 234                 if (buf[0] != '"' && buf[0] != '*') {
 235                         wpa_printf(MSG_ERROR, "Invalid EAP identity (no \" in "
 236                                    "start) on line %d in '%s'", line, fname);
 237                         goto failed;
 238                 }
 239
 240                 user = os_zalloc(sizeof(*user));
 241                 if (user == NULL) {
 242                         wpa_printf(MSG_ERROR, "EAP user allocation failed");
 243                         goto failed;
 244                 }
 245                 user->force_version = -1;
 246
 247                 if (buf[0] == '*') {
 248                         pos = buf;
 249                 } else {
 250                         pos = buf + 1;
 251                         start = pos;
 252                         while (*pos != '"' && *pos != '\0')
 253                                 pos++;
 254                         if (*pos == '\0') {
 255                                 wpa_printf(MSG_ERROR, "Invalid EAP identity "
 256                                            "(no \" in end) on line %d in '%s'",
 257                                            line, fname);
 258                                 goto failed;
 259                         }
 260
 261                         user->identity = os_malloc(pos - start);
 262                         if (user->identity == NULL) {
 263                                 wpa_printf(MSG_ERROR, "Failed to allocate "
 264                                            "memory for EAP identity");
 265                                 goto failed;
 266                         }
 267                         os_memcpy(user->identity, start, pos - start);
 268                         user->identity_len = pos - start;
 269
 270                         if (pos[0] == '"' && pos[1] == '*') {
 271                                 user->wildcard_prefix = 1;
 272                                 pos++;
 273                         }
 274                 }
 275                 pos++;
 276                 while (*pos == ' ' || *pos == '\t')
 277                         pos++;
 278
 279                 if (*pos == '\0') {
 280                         wpa_printf(MSG_ERROR, "No EAP method on line %d in "
 281                                    "'%s'", line, fname);
 282                         goto failed;
 283                 }
 284
 285                 start = pos;
 286                 while (*pos != ' ' && *pos != '\t' && *pos != '\0')
 287                         pos++;
 288                 if (*pos == '\0') {
 289                         pos = NULL;
 290                 } else {
 291                         *pos = '\0';
 292                         pos++;
 293                 }
 294                 num_methods = 0;
 295                 while (*start) {
 296                         char *pos3 = os_strchr(start, ',');
 297                         if (pos3) {
 298                                 *pos3++ = '\0';
 299                         }
 300                         user->methods[num_methods].method =
 301                                 eap_server_get_type(
 302                                         start,
 303                                         &user->methods[num_methods].vendor);
 304                         if (user->methods[num_methods].vendor ==
 305                             EAP_VENDOR_IETF &&
 306                             user->methods[num_methods].method == EAP_TYPE_NONE)
 307                         {
 308                                 if (os_strcmp(start, "TTLS-PAP") == 0) {
 309                                         user->ttls_auth |= EAP_TTLS_AUTH_PAP;
 310                                         goto skip_eap;
 311                                 }
 312                                 if (os_strcmp(start, "TTLS-CHAP") == 0) {
 313                                         user->ttls_auth |= EAP_TTLS_AUTH_CHAP;
 314                                         goto skip_eap;
 315                                 }
 316                                 if (os_strcmp(start, "TTLS-MSCHAP") == 0) {
 317                                         user->ttls_auth |=
 318                                                 EAP_TTLS_AUTH_MSCHAP;
 319                                         goto skip_eap;
 320                                 }
 321                                 if (os_strcmp(start, "TTLS-MSCHAPV2") == 0) {
 322                                         user->ttls_auth |=
 323                                                 EAP_TTLS_AUTH_MSCHAPV2;
 324                                         goto skip_eap;
 325                                 }
 326                                 wpa_printf(MSG_ERROR, "Unsupported EAP type "
 327                                            "'%s' on line %d in '%s'",
 328                                            start, line, fname);
 329                                 goto failed;
 330                         }
 331
 332                         num_methods++;
 333                         if (num_methods >= EAP_USER_MAX_METHODS)
 334                                 break;
 335                 skip_eap:
 336                         if (pos3 == NULL)
 337                                 break;
 338                         start = pos3;
 339                 }
 340                 if (num_methods == 0 && user->ttls_auth == 0) {
 341                         wpa_printf(MSG_ERROR, "No EAP types configured on "
 342                                    "line %d in '%s'", line, fname);
 343                         goto failed;
 344                 }
 345
 346                 if (pos == NULL)
 347                         goto done;
 348
 349                 while (*pos == ' ' || *pos == '\t')
 350                         pos++;
 351                 if (*pos == '\0')
 352                         goto done;
 353
 354                 if (os_strncmp(pos, "[ver=0]", 7) == 0) {
 355                         user->force_version = 0;
 356                         goto done;
 357                 }
 358
 359                 if (os_strncmp(pos, "[ver=1]", 7) == 0) {
 360                         user->force_version = 1;
 361                         goto done;
 362                 }
 363
 364                 if (os_strncmp(pos, "[2]", 3) == 0) {
 365                         user->phase2 = 1;
 366                         goto done;
 367                 }
 368
 369                 if (*pos == '"') {
 370                         pos++;
 371                         start = pos;
 372                         while (*pos != '"' && *pos != '\0')
 373                                 pos++;
 374                         if (*pos == '\0') {
 375                                 wpa_printf(MSG_ERROR, "Invalid EAP password "
 376                                            "(no \" in end) on line %d in '%s'",
 377                                            line, fname);
 378                                 goto failed;
 379                         }
 380
 381                         user->password = os_malloc(pos - start);
 382                         if (user->password == NULL) {
 383                                 wpa_printf(MSG_ERROR, "Failed to allocate "
 384                                            "memory for EAP password");
 385                                 goto failed;
 386                         }
 387                         os_memcpy(user->password, start, pos - start);
 388                         user->password_len = pos - start;
 389
 390                         pos++;
 391                 } else if (os_strncmp(pos, "hash:", 5) == 0) {
 392                         pos += 5;
 393                         pos2 = pos;
 394                         while (*pos2 != '\0' && *pos2 != ' ' &&
 395                                *pos2 != '\t' && *pos2 != '#')
 396                                 pos2++;
 397                         if (pos2 - pos != 32) {
 398                                 wpa_printf(MSG_ERROR, "Invalid password hash "
 399                                            "on line %d in '%s'", line, fname);
 400                                 goto failed;
 401                         }
 402                         user->password = os_malloc(16);
 403                         if (user->password == NULL) {
 404                                 wpa_printf(MSG_ERROR, "Failed to allocate "
 405                                            "memory for EAP password hash");
 406                                 goto failed;
 407                         }
 408                         if (hexstr2bin(pos, user->password, 16) < 0) {
 409                                 wpa_printf(MSG_ERROR, "Invalid hash password "
 410                                            "on line %d in '%s'", line, fname);
 411                                 goto failed;
 412                         }
 413                         user->password_len = 16;
 414                         user->password_hash = 1;
 415                         pos = pos2;
 416                 } else {
 417                         pos2 = pos;
 418                         while (*pos2 != '\0' && *pos2 != ' ' &&
 419                                *pos2 != '\t' && *pos2 != '#')
 420                                 pos2++;
 421                         if ((pos2 - pos) & 1) {
 422                                 wpa_printf(MSG_ERROR, "Invalid hex password "
 423                                            "on line %d in '%s'", line, fname);
 424                                 goto failed;
 425                         }
 426                         user->password = os_malloc((pos2 - pos) / 2);
 427                         if (user->password == NULL) {
 428                                 wpa_printf(MSG_ERROR, "Failed to allocate "
 429                                            "memory for EAP password");
 430                                 goto failed;
 431                         }
 432                         if (hexstr2bin(pos, user->password,
 433                                        (pos2 - pos) / 2) < 0) {
 434                                 wpa_printf(MSG_ERROR, "Invalid hex password "
 435                                            "on line %d in '%s'", line, fname);
 436                                 goto failed;
 437                         }
 438                         user->password_len = (pos2 - pos) / 2;
 439                         pos = pos2;
 440                 }
 441
 442                 while (*pos == ' ' || *pos == '\t')
 443                         pos++;
 444                 if (os_strncmp(pos, "[2]", 3) == 0) {
 445                         user->phase2 = 1;
 446                 }
 447
 448         done:
 449                 if (tail == NULL) {
 450                         tail = conf->eap_user = user;
 451                 } else {
 452                         tail->next = user;
 453                         tail = user;
 454                 }
 455                 continue;
 456
 457         failed:
 458                 if (user) {
 459                         os_free(user->password);
 460                         os_free(user->identity);
 461                         os_free(user);
 462                 }
 463                 ret = -1;
 464                 break;
 465         }
 466
 467         fclose(f);
 468
 469         return ret;
 470 }
 471 #endif /* EAP_SERVER */
 472
 473
 474 #ifndef CONFIG_NO_RADIUS
 475 static int
 476 hostapd_config_read_radius_addr(struct hostapd_radius_server **server,
 477                                 int *num_server, const char *val, int def_port,
 478                                 struct hostapd_radius_server **curr_serv)
 479 {
 480         struct hostapd_radius_server *nserv;
 481         int ret;
 482         static int server_index = 1;
 483
 484         nserv = os_realloc(*server, (*num_server + 1) * sizeof(*nserv));
 485         if (nserv == NULL)
 486                 return -1;
 487
 488         *server = nserv;
 489         nserv = &nserv[*num_server];
 490         (*num_server)++;
 491         (*curr_serv) = nserv;
 492
 493         os_memset(nserv, 0, sizeof(*nserv));
 494         nserv->port = def_port;
 495         ret = hostapd_parse_ip_addr(val, &nserv->addr);
 496         nserv->index = server_index++;
 497
 498         return ret;
 499 }
 500 #endif /* CONFIG_NO_RADIUS */
 501
 502
 503 static int hostapd_config_parse_key_mgmt(int line, const char *value)
 504 {
 505         int val = 0, last;
 506         char *start, *end, *buf;
 507
 508         buf = os_strdup(value);
 509         if (buf == NULL)
 510                 return -1;
 511         start = buf;
 512
 513         while (*start != '\0') {
 514                 while (*start == ' ' || *start == '\t')
 515                         start++;
 516                 if (*start == '\0')
 517                         break;
 518                 end = start;
 519                 while (*end != ' ' && *end != '\t' && *end != '\0')
 520                         end++;
 521                 last = *end == '\0';
 522                 *end = '\0';
 523                 if (os_strcmp(start, "WPA-PSK") == 0)
 524                         val |= WPA_KEY_MGMT_PSK;
 525                 else if (os_strcmp(start, "WPA-EAP") == 0)
 526                         val |= WPA_KEY_MGMT_IEEE8021X;
 527 #ifdef CONFIG_IEEE80211R
 528                 else if (os_strcmp(start, "FT-PSK") == 0)
 529                         val |= WPA_KEY_MGMT_FT_PSK;
 530                 else if (os_strcmp(start, "FT-EAP") == 0)
 531                         val |= WPA_KEY_MGMT_FT_IEEE8021X;
 532 #endif /* CONFIG_IEEE80211R */
 533 #ifdef CONFIG_IEEE80211W
 534                 else if (os_strcmp(start, "WPA-PSK-SHA256") == 0)
 535                         val |= WPA_KEY_MGMT_PSK_SHA256;
 536                 else if (os_strcmp(start, "WPA-EAP-SHA256") == 0)
 537                         val |= WPA_KEY_MGMT_IEEE8021X_SHA256;
 538 #endif /* CONFIG_IEEE80211W */
 539                 else {
 540                         wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'",
 541                                    line, start);
 542                         os_free(buf);
 543                         return -1;
 544                 }
 545
 546                 if (last)
 547                         break;
 548                 start = end + 1;
 549         }
 550
 551         os_free(buf);
 552         if (val == 0) {
 553                 wpa_printf(MSG_ERROR, "Line %d: no key_mgmt values "
 554                            "configured.", line);
 555                 return -1;
 556         }
 557
 558         return val;
 559 }
 560
 561
 562 static int hostapd_config_parse_cipher(int line, const char *value)
 563 {
 564         int val = 0, last;
 565         char *start, *end, *buf;
 566
 567         buf = os_strdup(value);
 568         if (buf == NULL)
 569                 return -1;
 570         start = buf;
 571
 572         while (*start != '\0') {
 573                 while (*start == ' ' || *start == '\t')
 574                         start++;
 575                 if (*start == '\0')
 576                         break;
 577                 end = start;
 578                 while (*end != ' ' && *end != '\t' && *end != '\0')
 579                         end++;
 580                 last = *end == '\0';
 581                 *end = '\0';
 582                 if (os_strcmp(start, "CCMP") == 0)
 583                         val |= WPA_CIPHER_CCMP;
 584                 else if (os_strcmp(start, "TKIP") == 0)
 585                         val |= WPA_CIPHER_TKIP;
 586                 else if (os_strcmp(start, "WEP104") == 0)
 587                         val |= WPA_CIPHER_WEP104;
 588                 else if (os_strcmp(start, "WEP40") == 0)
 589                         val |= WPA_CIPHER_WEP40;
 590                 else if (os_strcmp(start, "NONE") == 0)
 591                         val |= WPA_CIPHER_NONE;
 592                 else {
 593                         wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.",
 594                                    line, start);
 595                         os_free(buf);
 596                         return -1;
 597                 }
 598
 599                 if (last)
 600                         break;
 601                 start = end + 1;
 602         }
 603         os_free(buf);
 604
 605         if (val == 0) {
 606                 wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.",
 607                            line);
 608                 return -1;
 609         }
 610         return val;
 611 }
 612
 613
 614 static int hostapd_config_read_wep(struct hostapd_wep_keys *wep, int keyidx,
 615                                    char *val)
 616 {
 617         size_t len = os_strlen(val);
 618
 619         if (keyidx < 0 || keyidx > 3 || wep->key[keyidx] != NULL)
 620                 return -1;
 621
 622         if (val[0] == '"') {
 623                 if (len < 2 || val[len - 1] != '"')
 624                         return -1;
 625                 len -= 2;
 626                 wep->key[keyidx] = os_malloc(len);
 627                 if (wep->key[keyidx] == NULL)
 628                         return -1;
 629                 os_memcpy(wep->key[keyidx], val + 1, len);
 630                 wep->len[keyidx] = len;
 631         } else {
 632                 if (len & 1)
 633                         return -1;
 634                 len /= 2;
 635                 wep->key[keyidx] = os_malloc(len);
 636                 if (wep->key[keyidx] == NULL)
 637                         return -1;
 638                 wep->len[keyidx] = len;
 639                 if (hexstr2bin(val, wep->key[keyidx], len) < 0)
 640                         return -1;
 641         }
 642
 643         wep->keys_set++;
 644
 645         return 0;
 646 }
 647
 648
 649 static int hostapd_parse_rates(int **rate_list, char *val)
 650 {
 651         int *list;
 652         int count;
 653         char *pos, *end;
 654
 655         os_free(*rate_list);
 656         *rate_list = NULL;
 657
 658         pos = val;
 659         count = 0;
 660         while (*pos != '\0') {
 661                 if (*pos == ' ')
 662                         count++;
 663                 pos++;
 664         }
 665
 666         list = os_malloc(sizeof(int) * (count + 2));
 667         if (list == NULL)
 668                 return -1;
 669         pos = val;
 670         count = 0;
 671         while (*pos != '\0') {
 672                 end = os_strchr(pos, ' ');
 673                 if (end)
 674                         *end = '\0';
 675
 676                 list[count++] = atoi(pos);
 677                 if (!end)
 678                         break;
 679                 pos = end + 1;
 680         }
 681         list[count] = -1;
 682
 683         *rate_list = list;
 684         return 0;
 685 }
 686
 687
 688 static int hostapd_config_bss(struct hostapd_config *conf, const char *ifname)
 689 {
 690         struct hostapd_bss_config *bss;
 691
 692         if (*ifname == '\0')
 693                 return -1;
 694
 695         bss = os_realloc(conf->bss, (conf->num_bss + 1) *
 696                          sizeof(struct hostapd_bss_config));
 697         if (bss == NULL) {
 698                 wpa_printf(MSG_ERROR, "Failed to allocate memory for "
 699                            "multi-BSS entry");
 700                 return -1;
 701         }
 702         conf->bss = bss;
 703
 704         bss = &(conf->bss[conf->num_bss]);
 705         os_memset(bss, 0, sizeof(*bss));
 706         bss->radius = os_zalloc(sizeof(*bss->radius));
 707         if (bss->radius == NULL) {
 708                 wpa_printf(MSG_ERROR, "Failed to allocate memory for "
 709                            "multi-BSS RADIUS data");
 710                 return -1;
 711         }
 712
 713         conf->num_bss++;
 714         conf->last_bss = bss;
 715
 716         hostapd_config_defaults_bss(bss);
 717         os_strlcpy(bss->iface, ifname, sizeof(bss->iface));
 718         os_memcpy(bss->ssid.vlan, bss->iface, IFNAMSIZ + 1);
 719
 720         return 0;
 721 }
 722
 723
 724 /* convert floats with one decimal place to value*10 int, i.e.,
 725  * "1.5" will return 15 */
 726 static int hostapd_config_read_int10(const char *value)
 727 {
 728         int i, d;
 729         char *pos;
 730
 731         i = atoi(value);
 732         pos = os_strchr(value, '.');
 733         d = 0;
 734         if (pos) {
 735                 pos++;
 736                 if (*pos >= '0' && *pos <= '9')
 737                         d = *pos - '0';
 738         }
 739
 740         return i * 10 + d;
 741 }
 742
 743
 744 static int valid_cw(int cw)
 745 {
 746         return (cw == 1 || cw == 3 || cw == 7 || cw == 15 || cw == 31 ||
 747                 cw == 63 || cw == 127 || cw == 255 || cw == 511 || cw == 1023);
 748 }
 749
 750
 751 enum {
 752         IEEE80211_TX_QUEUE_DATA0 = 0, /* used for EDCA AC_VO data */
 753         IEEE80211_TX_QUEUE_DATA1 = 1, /* used for EDCA AC_VI data */
 754         IEEE80211_TX_QUEUE_DATA2 = 2, /* used for EDCA AC_BE data */
 755         IEEE80211_TX_QUEUE_DATA3 = 3, /* used for EDCA AC_BK data */
 756         IEEE80211_TX_QUEUE_DATA4 = 4,
 757         IEEE80211_TX_QUEUE_AFTER_BEACON = 6,
 758         IEEE80211_TX_QUEUE_BEACON = 7
 759 };
 760
 761 static int hostapd_config_tx_queue(struct hostapd_config *conf, char *name,
 762                                    char *val)
 763 {
 764         int num;
 765         char *pos;
 766         struct hostapd_tx_queue_params *queue;
 767
 768         /* skip 'tx_queue_' prefix */
 769         pos = name + 9;
 770         if (os_strncmp(pos, "data", 4) == 0 &&
 771             pos[4] >= '0' && pos[4] <= '9' && pos[5] == '_') {
 772                 num = pos[4] - '0';
 773                 pos += 6;
 774         } else if (os_strncmp(pos, "after_beacon_", 13) == 0) {
 775                 num = IEEE80211_TX_QUEUE_AFTER_BEACON;
 776                 pos += 13;
 777         } else if (os_strncmp(pos, "beacon_", 7) == 0) {
 778                 num = IEEE80211_TX_QUEUE_BEACON;
 779                 pos += 7;
 780         } else {
 781                 wpa_printf(MSG_ERROR, "Unknown tx_queue name '%s'", pos);
 782                 return -1;
 783         }
 784
 785         queue = &conf->tx_queue[num];
 786
 787         if (os_strcmp(pos, "aifs") == 0) {
 788                 queue->aifs = atoi(val);
 789                 if (queue->aifs < 0 || queue->aifs > 255) {
 790                         wpa_printf(MSG_ERROR, "Invalid AIFS value %d",
 791                                    queue->aifs);
 792                         return -1;
 793                 }
 794         } else if (os_strcmp(pos, "cwmin") == 0) {
 795                 queue->cwmin = atoi(val);
 796                 if (!valid_cw(queue->cwmin)) {
 797                         wpa_printf(MSG_ERROR, "Invalid cwMin value %d",
 798                                    queue->cwmin);
 799                         return -1;
 800                 }
 801         } else if (os_strcmp(pos, "cwmax") == 0) {
 802                 queue->cwmax = atoi(val);
 803                 if (!valid_cw(queue->cwmax)) {
 804                         wpa_printf(MSG_ERROR, "Invalid cwMax value %d",
 805                                    queue->cwmax);
 806                         return -1;
 807                 }
 808         } else if (os_strcmp(pos, "burst") == 0) {
 809                 queue->burst = hostapd_config_read_int10(val);
 810         } else {
 811                 wpa_printf(MSG_ERROR, "Unknown tx_queue field '%s'", pos);
 812                 return -1;
 813         }
 814
 815         queue->configured = 1;
 816
 817         return 0;
 818 }
 819
 820
 821 static int hostapd_config_wmm_ac(struct hostapd_config *conf, char *name,
 822                                  char *val)
 823 {
 824         int num, v;
 825         char *pos;
 826         struct hostapd_wmm_ac_params *ac;
 827
 828         /* skip 'wme_ac_' or 'wmm_ac_' prefix */
 829         pos = name + 7;
 830         if (os_strncmp(pos, "be_", 3) == 0) {
 831                 num = 0;
 832                 pos += 3;
 833         } else if (os_strncmp(pos, "bk_", 3) == 0) {
 834                 num = 1;
 835                 pos += 3;
 836         } else if (os_strncmp(pos, "vi_", 3) == 0) {
 837                 num = 2;
 838                 pos += 3;
 839         } else if (os_strncmp(pos, "vo_", 3) == 0) {
 840                 num = 3;
 841                 pos += 3;
 842         } else {
 843                 wpa_printf(MSG_ERROR, "Unknown WMM name '%s'", pos);
 844                 return -1;
 845         }
 846
 847         ac = &conf->wmm_ac_params[num];
 848
 849         if (os_strcmp(pos, "aifs") == 0) {
 850                 v = atoi(val);
 851                 if (v < 1 || v > 255) {
 852                         wpa_printf(MSG_ERROR, "Invalid AIFS value %d", v);
 853                         return -1;
 854                 }
 855                 ac->aifs = v;
 856         } else if (os_strcmp(pos, "cwmin") == 0) {
 857                 v = atoi(val);
 858                 if (v < 0 || v > 12) {
 859                         wpa_printf(MSG_ERROR, "Invalid cwMin value %d", v);
 860                         return -1;
 861                 }
 862                 ac->cwmin = v;
 863         } else if (os_strcmp(pos, "cwmax") == 0) {
 864                 v = atoi(val);
 865                 if (v < 0 || v > 12) {
 866                         wpa_printf(MSG_ERROR, "Invalid cwMax value %d", v);
 867                         return -1;
 868                 }
 869                 ac->cwmax = v;
 870         } else if (os_strcmp(pos, "txop_limit") == 0) {
 871                 v = atoi(val);
 872                 if (v < 0 || v > 0xffff) {
 873                         wpa_printf(MSG_ERROR, "Invalid txop value %d", v);
 874                         return -1;
 875                 }
 876                 ac->txop_limit = v;
 877         } else if (os_strcmp(pos, "acm") == 0) {
 878                 v = atoi(val);
 879                 if (v < 0 || v > 1) {
 880                         wpa_printf(MSG_ERROR, "Invalid acm value %d", v);
 881                         return -1;
 882                 }
 883                 ac->admission_control_mandatory = v;
 884         } else {
 885                 wpa_printf(MSG_ERROR, "Unknown wmm_ac_ field '%s'", pos);
 886                 return -1;
 887         }
 888
 889         return 0;
 890 }
 891
 892
 893 #ifdef CONFIG_IEEE80211R
 894 static int add_r0kh(struct hostapd_bss_config *bss, char *value)
 895 {
 896         struct ft_remote_r0kh *r0kh;
 897         char *pos, *next;
 898
 899         r0kh = os_zalloc(sizeof(*r0kh));
 900         if (r0kh == NULL)
 901                 return -1;
 902
 903         /* 02:01:02:03:04:05 a.example.com 000102030405060708090a0b0c0d0e0f */
 904         pos = value;
 905         next = os_strchr(pos, ' ');
 906         if (next)
 907                 *next++ = '\0';
 908         if (next == NULL || hwaddr_aton(pos, r0kh->addr)) {
 909                 wpa_printf(MSG_ERROR, "Invalid R0KH MAC address: '%s'", pos);
 910                 os_free(r0kh);
 911                 return -1;
 912         }
 913
 914         pos = next;
 915         next = os_strchr(pos, ' ');
 916         if (next)
 917                 *next++ = '\0';
 918         if (next == NULL || next - pos > FT_R0KH_ID_MAX_LEN) {
 919                 wpa_printf(MSG_ERROR, "Invalid R0KH-ID: '%s'", pos);
 920                 os_free(r0kh);
 921                 return -1;
 922         }
 923         r0kh->id_len = next - pos - 1;
 924         os_memcpy(r0kh->id, pos, r0kh->id_len);
 925
 926         pos = next;
 927         if (hexstr2bin(pos, r0kh->key, sizeof(r0kh->key))) {
 928                 wpa_printf(MSG_ERROR, "Invalid R0KH key: '%s'", pos);
 929                 os_free(r0kh);
 930                 return -1;
 931         }
 932
 933         r0kh->next = bss->r0kh_list;
 934         bss->r0kh_list = r0kh;
 935
 936         return 0;
 937 }
 938
 939
 940 static int add_r1kh(struct hostapd_bss_config *bss, char *value)
 941 {
 942         struct ft_remote_r1kh *r1kh;
 943         char *pos, *next;
 944
 945         r1kh = os_zalloc(sizeof(*r1kh));
 946         if (r1kh == NULL)
 947                 return -1;
 948
 949         /* 02:01:02:03:04:05 02:01:02:03:04:05
 950          * 000102030405060708090a0b0c0d0e0f */
 951         pos = value;
 952         next = os_strchr(pos, ' ');
 953         if (next)
 954                 *next++ = '\0';
 955         if (next == NULL || hwaddr_aton(pos, r1kh->addr)) {
 956                 wpa_printf(MSG_ERROR, "Invalid R1KH MAC address: '%s'", pos);
 957                 os_free(r1kh);
 958                 return -1;
 959         }
 960
 961         pos = next;
 962         next = os_strchr(pos, ' ');
 963         if (next)
 964                 *next++ = '\0';
 965         if (next == NULL || hwaddr_aton(pos, r1kh->id)) {
 966                 wpa_printf(MSG_ERROR, "Invalid R1KH-ID: '%s'", pos);
 967                 os_free(r1kh);
 968                 return -1;
 969         }
 970
 971         pos = next;
 972         if (hexstr2bin(pos, r1kh->key, sizeof(r1kh->key))) {
 973                 wpa_printf(MSG_ERROR, "Invalid R1KH key: '%s'", pos);
 974                 os_free(r1kh);
 975                 return -1;
 976         }
 977
 978         r1kh->next = bss->r1kh_list;
 979         bss->r1kh_list = r1kh;
 980
 981         return 0;
 982 }
 983 #endif /* CONFIG_IEEE80211R */
 984
 985
 986 #ifdef CONFIG_IEEE80211N
 987 static int hostapd_config_ht_capab(struct hostapd_config *conf,
 988                                    const char *capab)
 989 {
 990         if (os_strstr(capab, "[LDPC]"))
 991                 conf->ht_capab |= HT_CAP_INFO_LDPC_CODING_CAP;
 992         if (os_strstr(capab, "[HT40-]")) {
 993                 conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
 994                 conf->secondary_channel = -1;
 995         }
 996         if (os_strstr(capab, "[HT40+]")) {
 997                 conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
 998                 conf->secondary_channel = 1;
 999         }
1000         if (os_strstr(capab, "[SMPS-STATIC]")) {
1001                 conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
1002                 conf->ht_capab |= HT_CAP_INFO_SMPS_STATIC;
1003         }
1004         if (os_strstr(capab, "[SMPS-DYNAMIC]")) {
1005                 conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
1006                 conf->ht_capab |= HT_CAP_INFO_SMPS_DYNAMIC;
1007         }
1008         if (os_strstr(capab, "[GF]"))
1009                 conf->ht_capab |= HT_CAP_INFO_GREEN_FIELD;
1010         if (os_strstr(capab, "[SHORT-GI-20]"))
1011                 conf->ht_capab |= HT_CAP_INFO_SHORT_GI20MHZ;
1012         if (os_strstr(capab, "[SHORT-GI-40]"))
1013                 conf->ht_capab |= HT_CAP_INFO_SHORT_GI40MHZ;
1014         if (os_strstr(capab, "[TX-STBC]"))
1015                 conf->ht_capab |= HT_CAP_INFO_TX_STBC;
1016         if (os_strstr(capab, "[RX-STBC1]")) {
1017                 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1018                 conf->ht_capab |= HT_CAP_INFO_RX_STBC_1;
1019         }
1020         if (os_strstr(capab, "[RX-STBC12]")) {
1021                 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1022                 conf->ht_capab |= HT_CAP_INFO_RX_STBC_12;
1023         }
1024         if (os_strstr(capab, "[RX-STBC123]")) {
1025                 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1026                 conf->ht_capab |= HT_CAP_INFO_RX_STBC_123;
1027         }
1028         if (os_strstr(capab, "[DELAYED-BA]"))
1029                 conf->ht_capab |= HT_CAP_INFO_DELAYED_BA;
1030         if (os_strstr(capab, "[MAX-AMSDU-7935]"))
1031                 conf->ht_capab |= HT_CAP_INFO_MAX_AMSDU_SIZE;
1032         if (os_strstr(capab, "[DSSS_CCK-40]"))
1033                 conf->ht_capab |= HT_CAP_INFO_DSSS_CCK40MHZ;
1034         if (os_strstr(capab, "[PSMP]"))
1035                 conf->ht_capab |= HT_CAP_INFO_PSMP_SUPP;
1036         if (os_strstr(capab, "[LSIG-TXOP-PROT]"))
1037                 conf->ht_capab |= HT_CAP_INFO_LSIG_TXOP_PROTECT_SUPPORT;
1038
1039         return 0;
1040 }
1041 #endif /* CONFIG_IEEE80211N */
1042
1043
1044 static int hostapd_config_check_bss(struct hostapd_bss_config *bss,
1045                                     struct hostapd_config *conf)
1046 {
1047         if (bss->ieee802_1x && !bss->eap_server &&
1048             !bss->radius->auth_servers) {
1049                 wpa_printf(MSG_ERROR, "Invalid IEEE 802.1X configuration (no "
1050                            "EAP authenticator configured).");
1051                 return -1;
1052         }
1053
1054         if (bss->wpa && (bss->wpa_key_mgmt & WPA_KEY_MGMT_PSK) &&
1055             bss->ssid.wpa_psk == NULL && bss->ssid.wpa_passphrase == NULL &&
1056             bss->ssid.wpa_psk_file == NULL) {
1057                 wpa_printf(MSG_ERROR, "WPA-PSK enabled, but PSK or passphrase "
1058                            "is not configured.");
1059                 return -1;
1060         }
1061
1062         if (hostapd_mac_comp_empty(bss->bssid) != 0) {
1063                 size_t i;
1064
1065                 for (i = 0; i < conf->num_bss; i++) {
1066                         if ((&conf->bss[i] != bss) &&
1067                             (hostapd_mac_comp(conf->bss[i].bssid,
1068                                               bss->bssid) == 0)) {
1069                                 wpa_printf(MSG_ERROR, "Duplicate BSSID " MACSTR
1070                                            " on interface '%s' and '%s'.",
1071                                            MAC2STR(bss->bssid),
1072                                            conf->bss[i].iface, bss->iface);
1073                                 return -1;
1074                         }
1075                 }
1076         }
1077
1078 #ifdef CONFIG_IEEE80211R
1079         if ((bss->wpa_key_mgmt &
1080              (WPA_KEY_MGMT_FT_PSK | WPA_KEY_MGMT_FT_IEEE8021X)) &&
1081             (bss->nas_identifier == NULL ||
1082              os_strlen(bss->nas_identifier) < 1 ||
1083              os_strlen(bss->nas_identifier) > FT_R0KH_ID_MAX_LEN)) {
1084                 wpa_printf(MSG_ERROR, "FT (IEEE 802.11r) requires "
1085                            "nas_identifier to be configured as a 1..48 octet "
1086                            "string");
1087                 return -1;
1088         }
1089 #endif /* CONFIG_IEEE80211R */
1090
1091 #ifdef CONFIG_IEEE80211N
1092         if (conf->ieee80211n && bss->wpa &&
1093             !(bss->wpa_pairwise & WPA_CIPHER_CCMP) &&
1094             !(bss->rsn_pairwise & WPA_CIPHER_CCMP)) {
1095                 wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WPA/WPA2 "
1096                            "requires CCMP to be enabled");
1097                 return -1;
1098         }
1099 #endif /* CONFIG_IEEE80211N */
1100
1101         return 0;
1102 }
1103
1104
1105 static int hostapd_config_check(struct hostapd_config *conf)
1106 {
1107         size_t i;
1108
1109         if (conf->ieee80211d && (!conf->country[0] || !conf->country[1])) {
1110                 wpa_printf(MSG_ERROR, "Cannot enable IEEE 802.11d without "
1111                            "setting the country_code");
1112                 return -1;
1113         }
1114
1115         for (i = 0; i < conf->num_bss; i++) {
1116                 if (hostapd_config_check_bss(&conf->bss[i], conf))
1117                         return -1;
1118         }
1119
1120         return 0;
1121 }
1122
1123
1124 /**
1125  * hostapd_config_read - Read and parse a configuration file
1126  * @fname: Configuration file name (including path, if needed)
1127  * Returns: Allocated configuration data structure
1128  */
1129 struct hostapd_config * hostapd_config_read(const char *fname)
1130 {
1131         struct hostapd_config *conf;
1132         struct hostapd_bss_config *bss;
1133         FILE *f;
1134         char buf[256], *pos;
1135         int line = 0;
1136         int errors = 0;
1137         int pairwise;
1138         size_t i;
1139
1140         f = fopen(fname, "r");
1141         if (f == NULL) {
1142                 wpa_printf(MSG_ERROR, "Could not open configuration file '%s' "
1143                            "for reading.", fname);
1144                 return NULL;
1145         }
1146
1147         conf = hostapd_config_defaults();
1148         if (conf == NULL) {
1149                 fclose(f);
1150                 return NULL;
1151         }
1152
1153         /* set default driver based on configuration */
1154         conf->driver = wpa_drivers[0];
1155         if (conf->driver == NULL) {
1156                 wpa_printf(MSG_ERROR, "No driver wrappers registered!");
1157                 hostapd_config_free(conf);
1158                 return NULL;
1159         }
1160
1161         bss = conf->last_bss = conf->bss;
1162
1163         while (fgets(buf, sizeof(buf), f)) {
1164                 bss = conf->last_bss;
1165                 line++;
1166
1167                 if (buf[0] == '#')
1168                         continue;
1169                 pos = buf;
1170                 while (*pos != '\0') {
1171                         if (*pos == '\n') {
1172                                 *pos = '\0';
1173                                 break;
1174                         }
1175                         pos++;
1176                 }
1177                 if (buf[0] == '\0')
1178                         continue;
1179
1180                 pos = os_strchr(buf, '=');
1181                 if (pos == NULL) {
1182                         wpa_printf(MSG_ERROR, "Line %d: invalid line '%s'",
1183                                    line, buf);
1184                         errors++;
1185                         continue;
1186                 }
1187                 *pos = '\0';
1188                 pos++;
1189
1190                 if (os_strcmp(buf, "interface") == 0) {
1191                         os_strlcpy(conf->bss[0].iface, pos,
1192                                    sizeof(conf->bss[0].iface));
1193                 } else if (os_strcmp(buf, "bridge") == 0) {
1194                         os_strlcpy(bss->bridge, pos, sizeof(bss->bridge));
1195                 } else if (os_strcmp(buf, "driver") == 0) {
1196                         int j;
1197                         /* clear to get error below if setting is invalid */
1198                         conf->driver = NULL;
1199                         for (j = 0; wpa_drivers[j]; j++) {
1200                                 if (os_strcmp(pos, wpa_drivers[j]->name) == 0)
1201                                 {
1202                                         conf->driver = wpa_drivers[j];
1203                                         break;
1204                                 }
1205                         }
1206                         if (conf->driver == NULL) {
1207                                 wpa_printf(MSG_ERROR, "Line %d: invalid/"
1208                                            "unknown driver '%s'", line, pos);
1209                                 errors++;
1210                         }
1211                 } else if (os_strcmp(buf, "debug") == 0) {
1212                         wpa_printf(MSG_DEBUG, "Line %d: DEPRECATED: 'debug' "
1213                                    "configuration variable is not used "
1214                                    "anymore", line);
1215                 } else if (os_strcmp(buf, "logger_syslog_level") == 0) {
1216                         bss->logger_syslog_level = atoi(pos);
1217                 } else if (os_strcmp(buf, "logger_stdout_level") == 0) {
1218                         bss->logger_stdout_level = atoi(pos);
1219                 } else if (os_strcmp(buf, "logger_syslog") == 0) {
1220                         bss->logger_syslog = atoi(pos);
1221                 } else if (os_strcmp(buf, "logger_stdout") == 0) {
1222                         bss->logger_stdout = atoi(pos);
1223                 } else if (os_strcmp(buf, "dump_file") == 0) {
1224                         bss->dump_log_name = os_strdup(pos);
1225                 } else if (os_strcmp(buf, "ssid") == 0) {
1226                         bss->ssid.ssid_len = os_strlen(pos);
1227                         if (bss->ssid.ssid_len > HOSTAPD_MAX_SSID_LEN ||
1228                             bss->ssid.ssid_len < 1) {
1229                                 wpa_printf(MSG_ERROR, "Line %d: invalid SSID "
1230                                            "'%s'", line, pos);
1231                                 errors++;
1232                         } else {
1233                                 os_memcpy(bss->ssid.ssid, pos,
1234                                           bss->ssid.ssid_len);
1235                                 bss->ssid.ssid[bss->ssid.ssid_len] = '\0';
1236                                 bss->ssid.ssid_set = 1;
1237                         }
1238                 } else if (os_strcmp(buf, "macaddr_acl") == 0) {
1239                         bss->macaddr_acl = atoi(pos);
1240                         if (bss->macaddr_acl != ACCEPT_UNLESS_DENIED &&
1241                             bss->macaddr_acl != DENY_UNLESS_ACCEPTED &&
1242                             bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
1243                                 wpa_printf(MSG_ERROR, "Line %d: unknown "
1244                                            "macaddr_acl %d",
1245                                            line, bss->macaddr_acl);
1246                         }
1247                 } else if (os_strcmp(buf, "accept_mac_file") == 0) {
1248                         if (hostapd_config_read_maclist(pos, &bss->accept_mac,
1249                                                         &bss->num_accept_mac))
1250                         {
1251                                 wpa_printf(MSG_ERROR, "Line %d: Failed to "
1252                                            "read accept_mac_file '%s'",
1253                                            line, pos);
1254                                 errors++;
1255                         }
1256                 } else if (os_strcmp(buf, "deny_mac_file") == 0) {
1257                         if (hostapd_config_read_maclist(pos, &bss->deny_mac,
1258                                                         &bss->num_deny_mac)) {
1259                                 wpa_printf(MSG_ERROR, "Line %d: Failed to "
1260                                            "read deny_mac_file '%s'",
1261                                            line, pos);
1262                                 errors++;
1263                         }
1264                 } else if (os_strcmp(buf, "wds_sta") == 0) {
1265                         bss->wds_sta = atoi(pos);
1266                 } else if (os_strcmp(buf, "ap_max_inactivity") == 0) {
1267                         bss->ap_max_inactivity = atoi(pos);
1268                 } else if (os_strcmp(buf, "country_code") == 0) {
1269                         os_memcpy(conf->country, pos, 2);
1270                         /* FIX: make this configurable */
1271                         conf->country[2] = ' ';
1272                 } else if (os_strcmp(buf, "ieee80211d") == 0) {
1273                         conf->ieee80211d = atoi(pos);
1274                 } else if (os_strcmp(buf, "ieee8021x") == 0) {
1275                         bss->ieee802_1x = atoi(pos);
1276                 } else if (os_strcmp(buf, "eapol_version") == 0) {
1277                         bss->eapol_version = atoi(pos);
1278                         if (bss->eapol_version < 1 ||
1279                             bss->eapol_version > 2) {
1280                                 wpa_printf(MSG_ERROR, "Line %d: invalid EAPOL "
1281                                            "version (%d): '%s'.",
1282                                            line, bss->eapol_version, pos);
1283                                 errors++;
1284                         } else
1285                                 wpa_printf(MSG_DEBUG, "eapol_version=%d",
1286                                            bss->eapol_version);
1287 #ifdef EAP_SERVER
1288                 } else if (os_strcmp(buf, "eap_authenticator") == 0) {
1289                         bss->eap_server = atoi(pos);
1290                         wpa_printf(MSG_ERROR, "Line %d: obsolete "
1291                                    "eap_authenticator used; this has been "
1292                                    "renamed to eap_server", line);
1293                 } else if (os_strcmp(buf, "eap_server") == 0) {
1294                         bss->eap_server = atoi(pos);
1295                 } else if (os_strcmp(buf, "eap_user_file") == 0) {
1296                         if (hostapd_config_read_eap_user(pos, bss))
1297                                 errors++;
1298                 } else if (os_strcmp(buf, "ca_cert") == 0) {
1299                         os_free(bss->ca_cert);
1300                         bss->ca_cert = os_strdup(pos);
1301                 } else if (os_strcmp(buf, "server_cert") == 0) {
1302                         os_free(bss->server_cert);
1303                         bss->server_cert = os_strdup(pos);
1304                 } else if (os_strcmp(buf, "private_key") == 0) {
1305                         os_free(bss->private_key);
1306                         bss->private_key = os_strdup(pos);
1307                 } else if (os_strcmp(buf, "private_key_passwd") == 0) {
1308                         os_free(bss->private_key_passwd);
1309                         bss->private_key_passwd = os_strdup(pos);
1310                 } else if (os_strcmp(buf, "check_crl") == 0) {
1311                         bss->check_crl = atoi(pos);
1312                 } else if (os_strcmp(buf, "dh_file") == 0) {
1313                         os_free(bss->dh_file);
1314                         bss->dh_file = os_strdup(pos);
1315 #ifdef EAP_SERVER_FAST
1316                 } else if (os_strcmp(buf, "pac_opaque_encr_key") == 0) {
1317                         os_free(bss->pac_opaque_encr_key);
1318                         bss->pac_opaque_encr_key = os_malloc(16);
1319                         if (bss->pac_opaque_encr_key == NULL) {
1320                                 wpa_printf(MSG_ERROR, "Line %d: No memory for "
1321                                            "pac_opaque_encr_key", line);
1322                                 errors++;
1323                         } else if (hexstr2bin(pos, bss->pac_opaque_encr_key,
1324                                               16)) {
1325                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1326                                            "pac_opaque_encr_key", line);
1327                                 errors++;
1328                         }
1329                 } else if (os_strcmp(buf, "eap_fast_a_id") == 0) {
1330                         size_t idlen = os_strlen(pos);
1331                         if (idlen & 1) {
1332                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1333                                            "eap_fast_a_id", line);
1334                                 errors++;
1335                         } else {
1336                                 os_free(bss->eap_fast_a_id);
1337                                 bss->eap_fast_a_id = os_malloc(idlen / 2);
1338                                 if (bss->eap_fast_a_id == NULL ||
1339                                     hexstr2bin(pos, bss->eap_fast_a_id,
1340                                                idlen / 2)) {
1341                                         wpa_printf(MSG_ERROR, "Line %d: "
1342                                                    "Failed to parse "
1343                                                    "eap_fast_a_id", line);
1344                                         errors++;
1345                                 } else
1346                                         bss->eap_fast_a_id_len = idlen / 2;
1347                         }
1348                 } else if (os_strcmp(buf, "eap_fast_a_id_info") == 0) {
1349                         os_free(bss->eap_fast_a_id_info);
1350                         bss->eap_fast_a_id_info = os_strdup(pos);
1351                 } else if (os_strcmp(buf, "eap_fast_prov") == 0) {
1352                         bss->eap_fast_prov = atoi(pos);
1353                 } else if (os_strcmp(buf, "pac_key_lifetime") == 0) {
1354                         bss->pac_key_lifetime = atoi(pos);
1355                 } else if (os_strcmp(buf, "pac_key_refresh_time") == 0) {
1356                         bss->pac_key_refresh_time = atoi(pos);
1357 #endif /* EAP_SERVER_FAST */
1358 #ifdef EAP_SERVER_SIM
1359                 } else if (os_strcmp(buf, "eap_sim_db") == 0) {
1360                         os_free(bss->eap_sim_db);
1361                         bss->eap_sim_db = os_strdup(pos);
1362                 } else if (os_strcmp(buf, "eap_sim_aka_result_ind") == 0) {
1363                         bss->eap_sim_aka_result_ind = atoi(pos);
1364 #endif /* EAP_SERVER_SIM */
1365 #ifdef EAP_SERVER_TNC
1366                 } else if (os_strcmp(buf, "tnc") == 0) {
1367                         bss->tnc = atoi(pos);
1368 #endif /* EAP_SERVER_TNC */
1369 #endif /* EAP_SERVER */
1370                 } else if (os_strcmp(buf, "eap_message") == 0) {
1371                         char *term;
1372                         bss->eap_req_id_text = os_strdup(pos);
1373                         if (bss->eap_req_id_text == NULL) {
1374                                 wpa_printf(MSG_ERROR, "Line %d: Failed to "
1375                                            "allocate memory for "
1376                                            "eap_req_id_text", line);
1377                                 errors++;
1378                                 continue;
1379                         }
1380                         bss->eap_req_id_text_len =
1381                                 os_strlen(bss->eap_req_id_text);
1382                         term = os_strstr(bss->eap_req_id_text, "\\0");
1383                         if (term) {
1384                                 *term++ = '\0';
1385                                 os_memmove(term, term + 1,
1386                                            bss->eap_req_id_text_len -
1387                                            (term - bss->eap_req_id_text) - 1);
1388                                 bss->eap_req_id_text_len--;
1389                         }
1390                 } else if (os_strcmp(buf, "wep_key_len_broadcast") == 0) {
1391                         bss->default_wep_key_len = atoi(pos);
1392                         if (bss->default_wep_key_len > 13) {
1393                                 wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
1394                                            "key len %lu (= %lu bits)", line,
1395                                            (unsigned long)
1396                                            bss->default_wep_key_len,
1397                                            (unsigned long)
1398                                            bss->default_wep_key_len * 8);
1399                                 errors++;
1400                         }
1401                 } else if (os_strcmp(buf, "wep_key_len_unicast") == 0) {
1402                         bss->individual_wep_key_len = atoi(pos);
1403                         if (bss->individual_wep_key_len < 0 ||
1404                             bss->individual_wep_key_len > 13) {
1405                                 wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
1406                                            "key len %d (= %d bits)", line,
1407                                            bss->individual_wep_key_len,
1408                                            bss->individual_wep_key_len * 8);
1409                                 errors++;
1410                         }
1411                 } else if (os_strcmp(buf, "wep_rekey_period") == 0) {
1412                         bss->wep_rekeying_period = atoi(pos);
1413                         if (bss->wep_rekeying_period < 0) {
1414                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1415                                            "period %d",
1416                                            line, bss->wep_rekeying_period);
1417                                 errors++;
1418                         }
1419                 } else if (os_strcmp(buf, "eap_reauth_period") == 0) {
1420                         bss->eap_reauth_period = atoi(pos);
1421                         if (bss->eap_reauth_period < 0) {
1422                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1423                                            "period %d",
1424                                            line, bss->eap_reauth_period);
1425                                 errors++;
1426                         }
1427                 } else if (os_strcmp(buf, "eapol_key_index_workaround") == 0) {
1428                         bss->eapol_key_index_workaround = atoi(pos);
1429 #ifdef CONFIG_IAPP
1430                 } else if (os_strcmp(buf, "iapp_interface") == 0) {
1431                         bss->ieee802_11f = 1;
1432                         os_strlcpy(bss->iapp_iface, pos,
1433                                    sizeof(bss->iapp_iface));
1434 #endif /* CONFIG_IAPP */
1435                 } else if (os_strcmp(buf, "own_ip_addr") == 0) {
1436                         if (hostapd_parse_ip_addr(pos, &bss->own_ip_addr)) {
1437                                 wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1438                                            "address '%s'", line, pos);
1439                                 errors++;
1440                         }
1441                 } else if (os_strcmp(buf, "nas_identifier") == 0) {
1442                         bss->nas_identifier = os_strdup(pos);
1443 #ifndef CONFIG_NO_RADIUS
1444                 } else if (os_strcmp(buf, "auth_server_addr") == 0) {
1445                         if (hostapd_config_read_radius_addr(
1446                                     &bss->radius->auth_servers,
1447                                     &bss->radius->num_auth_servers, pos, 1812,
1448                                     &bss->radius->auth_server)) {
1449                                 wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1450                                            "address '%s'", line, pos);
1451                                 errors++;
1452                         }
1453                 } else if (bss->radius->auth_server &&
1454                            os_strcmp(buf, "auth_server_port") == 0) {
1455                         bss->radius->auth_server->port = atoi(pos);
1456                 } else if (bss->radius->auth_server &&
1457                            os_strcmp(buf, "auth_server_shared_secret") == 0) {
1458                         int len = os_strlen(pos);
1459                         if (len == 0) {
1460                                 /* RFC 2865, Ch. 3 */
1461                                 wpa_printf(MSG_ERROR, "Line %d: empty shared "
1462                                            "secret is not allowed.", line);
1463                                 errors++;
1464                         }
1465                         bss->radius->auth_server->shared_secret =
1466                                 (u8 *) os_strdup(pos);
1467                         bss->radius->auth_server->shared_secret_len = len;
1468                 } else if (os_strcmp(buf, "acct_server_addr") == 0) {
1469                         if (hostapd_config_read_radius_addr(
1470                                     &bss->radius->acct_servers,
1471                                     &bss->radius->num_acct_servers, pos, 1813,
1472                                     &bss->radius->acct_server)) {
1473                                 wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1474                                            "address '%s'", line, pos);
1475                                 errors++;
1476                         }
1477                 } else if (bss->radius->acct_server &&
1478                            os_strcmp(buf, "acct_server_port") == 0) {
1479                         bss->radius->acct_server->port = atoi(pos);
1480                 } else if (bss->radius->acct_server &&
1481                            os_strcmp(buf, "acct_server_shared_secret") == 0) {
1482                         int len = os_strlen(pos);
1483                         if (len == 0) {
1484                                 /* RFC 2865, Ch. 3 */
1485                                 wpa_printf(MSG_ERROR, "Line %d: empty shared "
1486                                            "secret is not allowed.", line);
1487                                 errors++;
1488                         }
1489                         bss->radius->acct_server->shared_secret =
1490                                 (u8 *) os_strdup(pos);
1491                         bss->radius->acct_server->shared_secret_len = len;
1492                 } else if (os_strcmp(buf, "radius_retry_primary_interval") ==
1493                            0) {
1494                         bss->radius->retry_primary_interval = atoi(pos);
1495                 } else if (os_strcmp(buf, "radius_acct_interim_interval") == 0)
1496                 {
1497                         bss->acct_interim_interval = atoi(pos);
1498 #endif /* CONFIG_NO_RADIUS */
1499                 } else if (os_strcmp(buf, "auth_algs") == 0) {
1500                         bss->auth_algs = atoi(pos);
1501                         if (bss->auth_algs == 0) {
1502                                 wpa_printf(MSG_ERROR, "Line %d: no "
1503                                            "authentication algorithms allowed",
1504                                            line);
1505                                 errors++;
1506                         }
1507                 } else if (os_strcmp(buf, "max_num_sta") == 0) {
1508                         bss->max_num_sta = atoi(pos);
1509                         if (bss->max_num_sta < 0 ||
1510                             bss->max_num_sta > MAX_STA_COUNT) {
1511                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1512                                            "max_num_sta=%d; allowed range "
1513                                            "0..%d", line, bss->max_num_sta,
1514                                            MAX_STA_COUNT);
1515                                 errors++;
1516                         }
1517                 } else if (os_strcmp(buf, "wpa") == 0) {
1518                         bss->wpa = atoi(pos);
1519                 } else if (os_strcmp(buf, "wpa_group_rekey") == 0) {
1520                         bss->wpa_group_rekey = atoi(pos);
1521                 } else if (os_strcmp(buf, "wpa_strict_rekey") == 0) {
1522                         bss->wpa_strict_rekey = atoi(pos);
1523                 } else if (os_strcmp(buf, "wpa_gmk_rekey") == 0) {
1524                         bss->wpa_gmk_rekey = atoi(pos);
1525                 } else if (os_strcmp(buf, "wpa_ptk_rekey") == 0) {
1526                         bss->wpa_ptk_rekey = atoi(pos);
1527                 } else if (os_strcmp(buf, "wpa_passphrase") == 0) {
1528                         int len = os_strlen(pos);
1529                         if (len < 8 || len > 63) {
1530                                 wpa_printf(MSG_ERROR, "Line %d: invalid WPA "
1531                                            "passphrase length %d (expected "
1532                                            "8..63)", line, len);
1533                                 errors++;
1534                         } else {
1535                                 os_free(bss->ssid.wpa_passphrase);
1536                                 bss->ssid.wpa_passphrase = os_strdup(pos);
1537                         }
1538                 } else if (os_strcmp(buf, "wpa_psk") == 0) {
1539                         os_free(bss->ssid.wpa_psk);
1540                         bss->ssid.wpa_psk =
1541                                 os_zalloc(sizeof(struct hostapd_wpa_psk));
1542                         if (bss->ssid.wpa_psk == NULL)
1543                                 errors++;
1544                         else if (hexstr2bin(pos, bss->ssid.wpa_psk->psk,
1545                                             PMK_LEN) ||
1546                                  pos[PMK_LEN * 2] != '\0') {
1547                                 wpa_printf(MSG_ERROR, "Line %d: Invalid PSK "
1548                                            "'%s'.", line, pos);
1549                                 errors++;
1550                         } else {
1551                                 bss->ssid.wpa_psk->group = 1;
1552                         }
1553                 } else if (os_strcmp(buf, "wpa_psk_file") == 0) {
1554                         os_free(bss->ssid.wpa_psk_file);
1555                         bss->ssid.wpa_psk_file = os_strdup(pos);
1556                         if (!bss->ssid.wpa_psk_file) {
1557                                 wpa_printf(MSG_ERROR, "Line %d: allocation "
1558                                            "failed", line);
1559                                 errors++;
1560                         }
1561                 } else if (os_strcmp(buf, "wpa_key_mgmt") == 0) {
1562                         bss->wpa_key_mgmt =
1563                                 hostapd_config_parse_key_mgmt(line, pos);
1564                         if (bss->wpa_key_mgmt == -1)
1565                                 errors++;
1566                 } else if (os_strcmp(buf, "wpa_pairwise") == 0) {
1567                         bss->wpa_pairwise =
1568                                 hostapd_config_parse_cipher(line, pos);
1569                         if (bss->wpa_pairwise == -1 ||
1570                             bss->wpa_pairwise == 0)
1571                                 errors++;
1572                         else if (bss->wpa_pairwise &
1573                                  (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
1574                                   WPA_CIPHER_WEP104)) {
1575                                 wpa_printf(MSG_ERROR, "Line %d: unsupported "
1576                                            "pairwise cipher suite '%s'",
1577                                            bss->wpa_pairwise, pos);
1578                                 errors++;
1579                         }
1580                 } else if (os_strcmp(buf, "rsn_pairwise") == 0) {
1581                         bss->rsn_pairwise =
1582                                 hostapd_config_parse_cipher(line, pos);
1583                         if (bss->rsn_pairwise == -1 ||
1584                             bss->rsn_pairwise == 0)
1585                                 errors++;
1586                         else if (bss->rsn_pairwise &
1587                                  (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
1588                                   WPA_CIPHER_WEP104)) {
1589                                 wpa_printf(MSG_ERROR, "Line %d: unsupported "
1590                                            "pairwise cipher suite '%s'",
1591                                            bss->rsn_pairwise, pos);
1592                                 errors++;
1593                         }
1594 #ifdef CONFIG_RSN_PREAUTH
1595                 } else if (os_strcmp(buf, "rsn_preauth") == 0) {
1596                         bss->rsn_preauth = atoi(pos);
1597                 } else if (os_strcmp(buf, "rsn_preauth_interfaces") == 0) {
1598                         bss->rsn_preauth_interfaces = os_strdup(pos);
1599 #endif /* CONFIG_RSN_PREAUTH */
1600 #ifdef CONFIG_PEERKEY
1601                 } else if (os_strcmp(buf, "peerkey") == 0) {
1602                         bss->peerkey = atoi(pos);
1603 #endif /* CONFIG_PEERKEY */
1604 #ifdef CONFIG_IEEE80211R
1605                 } else if (os_strcmp(buf, "mobility_domain") == 0) {
1606                         if (os_strlen(pos) != 2 * MOBILITY_DOMAIN_ID_LEN ||
1607                             hexstr2bin(pos, bss->mobility_domain,
1608                                        MOBILITY_DOMAIN_ID_LEN) != 0) {
1609                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1610                                            "mobility_domain '%s'", line, pos);
1611                                 errors++;
1612                                 continue;
1613                         }
1614                 } else if (os_strcmp(buf, "r1_key_holder") == 0) {
1615                         if (os_strlen(pos) != 2 * FT_R1KH_ID_LEN ||
1616                             hexstr2bin(pos, bss->r1_key_holder,
1617                                        FT_R1KH_ID_LEN) != 0) {
1618                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1619                                            "r1_key_holder '%s'", line, pos);
1620                                 errors++;
1621                                 continue;
1622                         }
1623                 } else if (os_strcmp(buf, "r0_key_lifetime") == 0) {
1624                         bss->r0_key_lifetime = atoi(pos);
1625                 } else if (os_strcmp(buf, "reassociation_deadline") == 0) {
1626                         bss->reassociation_deadline = atoi(pos);
1627                 } else if (os_strcmp(buf, "r0kh") == 0) {
1628                         if (add_r0kh(bss, pos) < 0) {
1629                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1630                                            "r0kh '%s'", line, pos);
1631                                 errors++;
1632                                 continue;
1633                         }
1634                 } else if (os_strcmp(buf, "r1kh") == 0) {
1635                         if (add_r1kh(bss, pos) < 0) {
1636                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1637                                            "r1kh '%s'", line, pos);
1638                                 errors++;
1639                                 continue;
1640                         }
1641                 } else if (os_strcmp(buf, "pmk_r1_push") == 0) {
1642                         bss->pmk_r1_push = atoi(pos);
1643 #endif /* CONFIG_IEEE80211R */
1644 #ifndef CONFIG_NO_CTRL_IFACE
1645                 } else if (os_strcmp(buf, "ctrl_interface") == 0) {
1646                         os_free(bss->ctrl_interface);
1647                         bss->ctrl_interface = os_strdup(pos);
1648                 } else if (os_strcmp(buf, "ctrl_interface_group") == 0) {
1649 #ifndef CONFIG_NATIVE_WINDOWS
1650                         struct group *grp;
1651                         char *endp;
1652                         const char *group = pos;
1653
1654                         grp = getgrnam(group);
1655                         if (grp) {
1656                                 bss->ctrl_interface_gid = grp->gr_gid;
1657                                 bss->ctrl_interface_gid_set = 1;
1658                                 wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d"
1659                                            " (from group name '%s')",
1660                                            bss->ctrl_interface_gid, group);
1661                                 continue;
1662                         }
1663
1664                         /* Group name not found - try to parse this as gid */
1665                         bss->ctrl_interface_gid = strtol(group, &endp, 10);
1666                         if (*group == '\0' || *endp != '\0') {
1667                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid group "
1668                                            "'%s'", line, group);
1669                                 errors++;
1670                                 continue;
1671                         }
1672                         bss->ctrl_interface_gid_set = 1;
1673                         wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d",
1674                                    bss->ctrl_interface_gid);
1675 #endif /* CONFIG_NATIVE_WINDOWS */
1676 #endif /* CONFIG_NO_CTRL_IFACE */
1677 #ifdef RADIUS_SERVER
1678                 } else if (os_strcmp(buf, "radius_server_clients") == 0) {
1679                         os_free(bss->radius_server_clients);
1680                         bss->radius_server_clients = os_strdup(pos);
1681                 } else if (os_strcmp(buf, "radius_server_auth_port") == 0) {
1682                         bss->radius_server_auth_port = atoi(pos);
1683                 } else if (os_strcmp(buf, "radius_server_ipv6") == 0) {
1684                         bss->radius_server_ipv6 = atoi(pos);
1685 #endif /* RADIUS_SERVER */
1686                 } else if (os_strcmp(buf, "test_socket") == 0) {
1687                         os_free(bss->test_socket);
1688                         bss->test_socket = os_strdup(pos);
1689                 } else if (os_strcmp(buf, "use_pae_group_addr") == 0) {
1690                         bss->use_pae_group_addr = atoi(pos);
1691                 } else if (os_strcmp(buf, "hw_mode") == 0) {
1692                         if (os_strcmp(pos, "a") == 0)
1693                                 conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
1694                         else if (os_strcmp(pos, "b") == 0)
1695                                 conf->hw_mode = HOSTAPD_MODE_IEEE80211B;
1696                         else if (os_strcmp(pos, "g") == 0)
1697                                 conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
1698                         else {
1699                                 wpa_printf(MSG_ERROR, "Line %d: unknown "
1700                                            "hw_mode '%s'", line, pos);
1701                                 errors++;
1702                         }
1703                 } else if (os_strcmp(buf, "channel") == 0) {
1704                         conf->channel = atoi(pos);
1705                 } else if (os_strcmp(buf, "beacon_int") == 0) {
1706                         int val = atoi(pos);
1707                         /* MIB defines range as 1..65535, but very small values
1708                          * cause problems with the current implementation.
1709                          * Since it is unlikely that this small numbers are
1710                          * useful in real life scenarios, do not allow beacon
1711                          * period to be set below 15 TU. */
1712                         if (val < 15 || val > 65535) {
1713                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1714                                            "beacon_int %d (expected "
1715                                            "15..65535)", line, val);
1716                                 errors++;
1717                         } else
1718                                 conf->beacon_int = val;
1719                 } else if (os_strcmp(buf, "dtim_period") == 0) {
1720                         bss->dtim_period = atoi(pos);
1721                         if (bss->dtim_period < 1 || bss->dtim_period > 255) {
1722                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1723                                            "dtim_period %d",
1724                                            line, bss->dtim_period);
1725                                 errors++;
1726                         }
1727                 } else if (os_strcmp(buf, "rts_threshold") == 0) {
1728                         conf->rts_threshold = atoi(pos);
1729                         if (conf->rts_threshold < 0 ||
1730                             conf->rts_threshold > 2347) {
1731                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1732                                            "rts_threshold %d",
1733                                            line, conf->rts_threshold);
1734                                 errors++;
1735                         }
1736                 } else if (os_strcmp(buf, "fragm_threshold") == 0) {
1737                         conf->fragm_threshold = atoi(pos);
1738                         if (conf->fragm_threshold < 256 ||
1739                             conf->fragm_threshold > 2346) {
1740                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1741                                            "fragm_threshold %d",
1742                                            line, conf->fragm_threshold);
1743                                 errors++;
1744                         }
1745                 } else if (os_strcmp(buf, "send_probe_response") == 0) {
1746                         int val = atoi(pos);
1747                         if (val != 0 && val != 1) {
1748                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1749                                            "send_probe_response %d (expected "
1750                                            "0 or 1)", line, val);
1751                         } else
1752                                 conf->send_probe_response = val;
1753                 } else if (os_strcmp(buf, "supported_rates") == 0) {
1754                         if (hostapd_parse_rates(&conf->supported_rates, pos)) {
1755                                 wpa_printf(MSG_ERROR, "Line %d: invalid rate "
1756                                            "list", line);
1757                                 errors++;
1758                         }
1759                 } else if (os_strcmp(buf, "basic_rates") == 0) {
1760                         if (hostapd_parse_rates(&conf->basic_rates, pos)) {
1761                                 wpa_printf(MSG_ERROR, "Line %d: invalid rate "
1762                                            "list", line);
1763                                 errors++;
1764                         }
1765                 } else if (os_strcmp(buf, "preamble") == 0) {
1766                         if (atoi(pos))
1767                                 conf->preamble = SHORT_PREAMBLE;
1768                         else
1769                                 conf->preamble = LONG_PREAMBLE;
1770                 } else if (os_strcmp(buf, "ignore_broadcast_ssid") == 0) {
1771                         bss->ignore_broadcast_ssid = atoi(pos);
1772                 } else if (os_strcmp(buf, "wep_default_key") == 0) {
1773                         bss->ssid.wep.idx = atoi(pos);
1774                         if (bss->ssid.wep.idx > 3) {
1775                                 wpa_printf(MSG_ERROR, "Invalid "
1776                                            "wep_default_key index %d",
1777                                            bss->ssid.wep.idx);
1778                                 errors++;
1779                         }
1780                 } else if (os_strcmp(buf, "wep_key0") == 0 ||
1781                            os_strcmp(buf, "wep_key1") == 0 ||
1782                            os_strcmp(buf, "wep_key2") == 0 ||
1783                            os_strcmp(buf, "wep_key3") == 0) {
1784                         if (hostapd_config_read_wep(&bss->ssid.wep,
1785                                                     buf[7] - '0', pos)) {
1786                                 wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
1787                                            "key '%s'", line, buf);
1788                                 errors++;
1789                         }
1790 #ifndef CONFIG_NO_VLAN
1791                 } else if (os_strcmp(buf, "dynamic_vlan") == 0) {
1792                         bss->ssid.dynamic_vlan = atoi(pos);
1793                 } else if (os_strcmp(buf, "vlan_file") == 0) {
1794                         if (hostapd_config_read_vlan_file(bss, pos)) {
1795                                 wpa_printf(MSG_ERROR, "Line %d: failed to "
1796                                            "read VLAN file '%s'", line, pos);
1797                                 errors++;
1798                         }
1799 #ifdef CONFIG_FULL_DYNAMIC_VLAN
1800                 } else if (os_strcmp(buf, "vlan_tagged_interface") == 0) {
1801                         bss->ssid.vlan_tagged_interface = os_strdup(pos);
1802 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
1803 #endif /* CONFIG_NO_VLAN */
1804                 } else if (os_strcmp(buf, "ap_table_max_size") == 0) {
1805                         conf->ap_table_max_size = atoi(pos);
1806                 } else if (os_strcmp(buf, "ap_table_expiration_time") == 0) {
1807                         conf->ap_table_expiration_time = atoi(pos);
1808                 } else if (os_strncmp(buf, "tx_queue_", 9) == 0) {
1809                         if (hostapd_config_tx_queue(conf, buf, pos)) {
1810                                 wpa_printf(MSG_ERROR, "Line %d: invalid TX "
1811                                            "queue item", line);
1812                                 errors++;
1813                         }
1814                 } else if (os_strcmp(buf, "wme_enabled") == 0 ||
1815                            os_strcmp(buf, "wmm_enabled") == 0) {
1816                         bss->wmm_enabled = atoi(pos);
1817                 } else if (os_strncmp(buf, "wme_ac_", 7) == 0 ||
1818                            os_strncmp(buf, "wmm_ac_", 7) == 0) {
1819                         if (hostapd_config_wmm_ac(conf, buf, pos)) {
1820                                 wpa_printf(MSG_ERROR, "Line %d: invalid WMM "
1821                                            "ac item", line);
1822                                 errors++;
1823                         }
1824                 } else if (os_strcmp(buf, "bss") == 0) {
1825                         if (hostapd_config_bss(conf, pos)) {
1826                                 wpa_printf(MSG_ERROR, "Line %d: invalid bss "
1827                                            "item", line);
1828                                 errors++;
1829                         }
1830                 } else if (os_strcmp(buf, "bssid") == 0) {
1831                         if (hwaddr_aton(pos, bss->bssid)) {
1832                                 wpa_printf(MSG_ERROR, "Line %d: invalid bssid "
1833                                            "item", line);
1834                                 errors++;
1835                         }
1836 #ifdef CONFIG_IEEE80211W
1837                 } else if (os_strcmp(buf, "ieee80211w") == 0) {
1838                         bss->ieee80211w = atoi(pos);
1839                 } else if (os_strcmp(buf, "assoc_sa_query_max_timeout") == 0) {
1840                         bss->assoc_sa_query_max_timeout = atoi(pos);
1841                         if (bss->assoc_sa_query_max_timeout == 0) {
1842                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1843                                            "assoc_sa_query_max_timeout", line);
1844                                 errors++;
1845                         }
1846                 } else if (os_strcmp(buf, "assoc_sa_query_retry_timeout") == 0)
1847                 {
1848                         bss->assoc_sa_query_retry_timeout = atoi(pos);
1849                         if (bss->assoc_sa_query_retry_timeout == 0) {
1850                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1851                                            "assoc_sa_query_retry_timeout",
1852                                            line);
1853                                 errors++;
1854                         }
1855 #endif /* CONFIG_IEEE80211W */
1856 #ifdef CONFIG_IEEE80211N
1857                 } else if (os_strcmp(buf, "ieee80211n") == 0) {
1858                         conf->ieee80211n = atoi(pos);
1859                 } else if (os_strcmp(buf, "ht_capab") == 0) {
1860                         if (hostapd_config_ht_capab(conf, pos) < 0) {
1861                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1862                                            "ht_capab", line);
1863                                 errors++;
1864                         }
1865 #endif /* CONFIG_IEEE80211N */
1866                 } else if (os_strcmp(buf, "max_listen_interval") == 0) {
1867                         bss->max_listen_interval = atoi(pos);
1868                 } else if (os_strcmp(buf, "okc") == 0) {
1869                         bss->okc = atoi(pos);
1870 #ifdef CONFIG_WPS
1871                 } else if (os_strcmp(buf, "wps_state") == 0) {
1872                         bss->wps_state = atoi(pos);
1873                         if (bss->wps_state < 0 || bss->wps_state > 2) {
1874                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1875                                            "wps_state", line);
1876                                 errors++;
1877                         }
1878                 } else if (os_strcmp(buf, "ap_setup_locked") == 0) {
1879                         bss->ap_setup_locked = atoi(pos);
1880                 } else if (os_strcmp(buf, "uuid") == 0) {
1881                         if (uuid_str2bin(pos, bss->uuid)) {
1882                                 wpa_printf(MSG_ERROR, "Line %d: invalid UUID",
1883                                            line);
1884                                 errors++;
1885                         }
1886                 } else if (os_strcmp(buf, "wps_pin_requests") == 0) {
1887                         os_free(bss->wps_pin_requests);
1888                         bss->wps_pin_requests = os_strdup(pos);
1889                 } else if (os_strcmp(buf, "device_name") == 0) {
1890                         if (os_strlen(pos) > 32) {
1891                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
1892                                            "device_name", line);
1893                                 errors++;
1894                         }
1895                         os_free(bss->device_name);
1896                         bss->device_name = os_strdup(pos);
1897                 } else if (os_strcmp(buf, "manufacturer") == 0) {
1898                         if (os_strlen(pos) > 64) {
1899                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
1900                                            "manufacturer", line);
1901                                 errors++;
1902                         }
1903                         os_free(bss->manufacturer);
1904                         bss->manufacturer = os_strdup(pos);
1905                 } else if (os_strcmp(buf, "model_name") == 0) {
1906                         if (os_strlen(pos) > 32) {
1907                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
1908                                            "model_name", line);
1909                                 errors++;
1910                         }
1911                         os_free(bss->model_name);
1912                         bss->model_name = os_strdup(pos);
1913                 } else if (os_strcmp(buf, "model_number") == 0) {
1914                         if (os_strlen(pos) > 32) {
1915                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
1916                                            "model_number", line);
1917                                 errors++;
1918                         }
1919                         os_free(bss->model_number);
1920                         bss->model_number = os_strdup(pos);
1921                 } else if (os_strcmp(buf, "serial_number") == 0) {
1922                         if (os_strlen(pos) > 32) {
1923                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
1924                                            "serial_number", line);
1925                                 errors++;
1926                         }
1927                         os_free(bss->serial_number);
1928                         bss->serial_number = os_strdup(pos);
1929                 } else if (os_strcmp(buf, "device_type") == 0) {
1930                         os_free(bss->device_type);
1931                         bss->device_type = os_strdup(pos);
1932                 } else if (os_strcmp(buf, "config_methods") == 0) {
1933                         os_free(bss->config_methods);
1934                         bss->config_methods = os_strdup(pos);
1935                 } else if (os_strcmp(buf, "os_version") == 0) {
1936                         if (hexstr2bin(pos, bss->os_version, 4)) {
1937                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1938                                            "os_version", line);
1939                                 errors++;
1940                         }
1941                 } else if (os_strcmp(buf, "ap_pin") == 0) {
1942                         os_free(bss->ap_pin);
1943                         bss->ap_pin = os_strdup(pos);
1944                 } else if (os_strcmp(buf, "skip_cred_build") == 0) {
1945                         bss->skip_cred_build = atoi(pos);
1946                 } else if (os_strcmp(buf, "extra_cred") == 0) {
1947                         os_free(bss->extra_cred);
1948                         bss->extra_cred =
1949                                 (u8 *) os_readfile(pos, &bss->extra_cred_len);
1950                         if (bss->extra_cred == NULL) {
1951                                 wpa_printf(MSG_ERROR, "Line %d: could not "
1952                                            "read Credentials from '%s'",
1953                                            line, pos);
1954                                 errors++;
1955                         }
1956                 } else if (os_strcmp(buf, "wps_cred_processing") == 0) {
1957                         bss->wps_cred_processing = atoi(pos);
1958                 } else if (os_strcmp(buf, "ap_settings") == 0) {
1959                         os_free(bss->ap_settings);
1960                         bss->ap_settings =
1961                                 (u8 *) os_readfile(pos, &bss->ap_settings_len);
1962                         if (bss->ap_settings == NULL) {
1963                                 wpa_printf(MSG_ERROR, "Line %d: could not "
1964                                            "read AP Settings from '%s'",
1965                                            line, pos);
1966                                 errors++;
1967                         }
1968                 } else if (os_strcmp(buf, "upnp_iface") == 0) {
1969                         bss->upnp_iface = os_strdup(pos);
1970                 } else if (os_strcmp(buf, "friendly_name") == 0) {
1971                         os_free(bss->friendly_name);
1972                         bss->friendly_name = os_strdup(pos);
1973                 } else if (os_strcmp(buf, "manufacturer_url") == 0) {
1974                         os_free(bss->manufacturer_url);
1975                         bss->manufacturer_url = os_strdup(pos);
1976                 } else if (os_strcmp(buf, "model_description") == 0) {
1977                         os_free(bss->model_description);
1978                         bss->model_description = os_strdup(pos);
1979                 } else if (os_strcmp(buf, "model_url") == 0) {
1980                         os_free(bss->model_url);
1981                         bss->model_url = os_strdup(pos);
1982                 } else if (os_strcmp(buf, "upc") == 0) {
1983                         os_free(bss->upc);
1984                         bss->upc = os_strdup(pos);
1985 #endif /* CONFIG_WPS */
1986                 } else {
1987                         wpa_printf(MSG_ERROR, "Line %d: unknown configuration "
1988                                    "item '%s'", line, buf);
1989                         errors++;
1990                 }
1991         }
1992
1993         fclose(f);
1994
1995         for (i = 0; i < conf->num_bss; i++) {
1996                 bss = &conf->bss[i];
1997
1998                 if (bss->individual_wep_key_len == 0) {
1999                         /* individual keys are not use; can use key idx0 for
2000                          * broadcast keys */
2001                         bss->broadcast_key_idx_min = 0;
2002                 }
2003
2004                 /* Select group cipher based on the enabled pairwise cipher
2005                  * suites */
2006                 pairwise = 0;
2007                 if (bss->wpa & 1)
2008                         pairwise |= bss->wpa_pairwise;
2009                 if (bss->wpa & 2) {
2010                         if (bss->rsn_pairwise == 0)
2011                                 bss->rsn_pairwise = bss->wpa_pairwise;
2012                         pairwise |= bss->rsn_pairwise;
2013                 }
2014                 if (pairwise & WPA_CIPHER_TKIP)
2015                         bss->wpa_group = WPA_CIPHER_TKIP;
2016                 else
2017                         bss->wpa_group = WPA_CIPHER_CCMP;
2018
2019                 bss->radius->auth_server = bss->radius->auth_servers;
2020                 bss->radius->acct_server = bss->radius->acct_servers;
2021
2022                 if (bss->wpa && bss->ieee802_1x) {
2023                         bss->ssid.security_policy = SECURITY_WPA;
2024                 } else if (bss->wpa) {
2025                         bss->ssid.security_policy = SECURITY_WPA_PSK;
2026                 } else if (bss->ieee802_1x) {
2027                         bss->ssid.security_policy = SECURITY_IEEE_802_1X;
2028                         bss->ssid.wep.default_len = bss->default_wep_key_len;
2029                 } else if (bss->ssid.wep.keys_set)
2030                         bss->ssid.security_policy = SECURITY_STATIC_WEP;
2031                 else
2032                         bss->ssid.security_policy = SECURITY_PLAINTEXT;
2033         }
2034
2035         if (hostapd_config_check(conf))
2036                 errors++;
2037
2038         if (errors) {
2039                 wpa_printf(MSG_ERROR, "%d errors found in configuration file "
2040                            "'%s'", errors, fname);
2041                 hostapd_config_free(conf);
2042                 conf = NULL;
2043         }
2044
2045         return conf;
2046 }