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 "utils/includes.h"
  16 #ifndef CONFIG_NATIVE_WINDOWS
  17 #include <grp.h>
  18 #endif /* CONFIG_NATIVE_WINDOWS */
  19
  20 #include "utils/common.h"
  21 #include "utils/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_auth.h"
  27 #include "ap/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 };
 757
 758 static int hostapd_config_tx_queue(struct hostapd_config *conf, char *name,
 759                                    char *val)
 760 {
 761         int num;
 762         char *pos;
 763         struct hostapd_tx_queue_params *queue;
 764
 765         /* skip 'tx_queue_' prefix */
 766         pos = name + 9;
 767         if (os_strncmp(pos, "data", 4) == 0 &&
 768             pos[4] >= '0' && pos[4] <= '9' && pos[5] == '_') {
 769                 num = pos[4] - '0';
 770                 pos += 6;
 771         } else if (os_strncmp(pos, "after_beacon_", 13) == 0 ||
 772                    os_strncmp(pos, "beacon_", 7) == 0) {
 773                 wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
 774                 return 0;
 775         } else {
 776                 wpa_printf(MSG_ERROR, "Unknown tx_queue name '%s'", pos);
 777                 return -1;
 778         }
 779
 780         if (num >= NUM_TX_QUEUES) {
 781                 /* for backwards compatibility, do not trigger failure */
 782                 wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
 783                 return 0;
 784         }
 785
 786         queue = &conf->tx_queue[num];
 787
 788         if (os_strcmp(pos, "aifs") == 0) {
 789                 queue->aifs = atoi(val);
 790                 if (queue->aifs < 0 || queue->aifs > 255) {
 791                         wpa_printf(MSG_ERROR, "Invalid AIFS value %d",
 792                                    queue->aifs);
 793                         return -1;
 794                 }
 795         } else if (os_strcmp(pos, "cwmin") == 0) {
 796                 queue->cwmin = atoi(val);
 797                 if (!valid_cw(queue->cwmin)) {
 798                         wpa_printf(MSG_ERROR, "Invalid cwMin value %d",
 799                                    queue->cwmin);
 800                         return -1;
 801                 }
 802         } else if (os_strcmp(pos, "cwmax") == 0) {
 803                 queue->cwmax = atoi(val);
 804                 if (!valid_cw(queue->cwmax)) {
 805                         wpa_printf(MSG_ERROR, "Invalid cwMax value %d",
 806                                    queue->cwmax);
 807                         return -1;
 808                 }
 809         } else if (os_strcmp(pos, "burst") == 0) {
 810                 queue->burst = hostapd_config_read_int10(val);
 811         } else {
 812                 wpa_printf(MSG_ERROR, "Unknown tx_queue field '%s'", pos);
 813                 return -1;
 814         }
 815
 816         return 0;
 817 }
 818
 819
 820 static int hostapd_config_wmm_ac(struct hostapd_config *conf, char *name,
 821                                  char *val)
 822 {
 823         int num, v;
 824         char *pos;
 825         struct hostapd_wmm_ac_params *ac;
 826
 827         /* skip 'wme_ac_' or 'wmm_ac_' prefix */
 828         pos = name + 7;
 829         if (os_strncmp(pos, "be_", 3) == 0) {
 830                 num = 0;
 831                 pos += 3;
 832         } else if (os_strncmp(pos, "bk_", 3) == 0) {
 833                 num = 1;
 834                 pos += 3;
 835         } else if (os_strncmp(pos, "vi_", 3) == 0) {
 836                 num = 2;
 837                 pos += 3;
 838         } else if (os_strncmp(pos, "vo_", 3) == 0) {
 839                 num = 3;
 840                 pos += 3;
 841         } else {
 842                 wpa_printf(MSG_ERROR, "Unknown WMM name '%s'", pos);
 843                 return -1;
 844         }
 845
 846         ac = &conf->wmm_ac_params[num];
 847
 848         if (os_strcmp(pos, "aifs") == 0) {
 849                 v = atoi(val);
 850                 if (v < 1 || v > 255) {
 851                         wpa_printf(MSG_ERROR, "Invalid AIFS value %d", v);
 852                         return -1;
 853                 }
 854                 ac->aifs = v;
 855         } else if (os_strcmp(pos, "cwmin") == 0) {
 856                 v = atoi(val);
 857                 if (v < 0 || v > 12) {
 858                         wpa_printf(MSG_ERROR, "Invalid cwMin value %d", v);
 859                         return -1;
 860                 }
 861                 ac->cwmin = v;
 862         } else if (os_strcmp(pos, "cwmax") == 0) {
 863                 v = atoi(val);
 864                 if (v < 0 || v > 12) {
 865                         wpa_printf(MSG_ERROR, "Invalid cwMax value %d", v);
 866                         return -1;
 867                 }
 868                 ac->cwmax = v;
 869         } else if (os_strcmp(pos, "txop_limit") == 0) {
 870                 v = atoi(val);
 871                 if (v < 0 || v > 0xffff) {
 872                         wpa_printf(MSG_ERROR, "Invalid txop value %d", v);
 873                         return -1;
 874                 }
 875                 ac->txop_limit = v;
 876         } else if (os_strcmp(pos, "acm") == 0) {
 877                 v = atoi(val);
 878                 if (v < 0 || v > 1) {
 879                         wpa_printf(MSG_ERROR, "Invalid acm value %d", v);
 880                         return -1;
 881                 }
 882                 ac->admission_control_mandatory = v;
 883         } else {
 884                 wpa_printf(MSG_ERROR, "Unknown wmm_ac_ field '%s'", pos);
 885                 return -1;
 886         }
 887
 888         return 0;
 889 }
 890
 891
 892 #ifdef CONFIG_IEEE80211R
 893 static int add_r0kh(struct hostapd_bss_config *bss, char *value)
 894 {
 895         struct ft_remote_r0kh *r0kh;
 896         char *pos, *next;
 897
 898         r0kh = os_zalloc(sizeof(*r0kh));
 899         if (r0kh == NULL)
 900                 return -1;
 901
 902         /* 02:01:02:03:04:05 a.example.com 000102030405060708090a0b0c0d0e0f */
 903         pos = value;
 904         next = os_strchr(pos, ' ');
 905         if (next)
 906                 *next++ = '\0';
 907         if (next == NULL || hwaddr_aton(pos, r0kh->addr)) {
 908                 wpa_printf(MSG_ERROR, "Invalid R0KH MAC address: '%s'", pos);
 909                 os_free(r0kh);
 910                 return -1;
 911         }
 912
 913         pos = next;
 914         next = os_strchr(pos, ' ');
 915         if (next)
 916                 *next++ = '\0';
 917         if (next == NULL || next - pos > FT_R0KH_ID_MAX_LEN) {
 918                 wpa_printf(MSG_ERROR, "Invalid R0KH-ID: '%s'", pos);
 919                 os_free(r0kh);
 920                 return -1;
 921         }
 922         r0kh->id_len = next - pos - 1;
 923         os_memcpy(r0kh->id, pos, r0kh->id_len);
 924
 925         pos = next;
 926         if (hexstr2bin(pos, r0kh->key, sizeof(r0kh->key))) {
 927                 wpa_printf(MSG_ERROR, "Invalid R0KH key: '%s'", pos);
 928                 os_free(r0kh);
 929                 return -1;
 930         }
 931
 932         r0kh->next = bss->r0kh_list;
 933         bss->r0kh_list = r0kh;
 934
 935         return 0;
 936 }
 937
 938
 939 static int add_r1kh(struct hostapd_bss_config *bss, char *value)
 940 {
 941         struct ft_remote_r1kh *r1kh;
 942         char *pos, *next;
 943
 944         r1kh = os_zalloc(sizeof(*r1kh));
 945         if (r1kh == NULL)
 946                 return -1;
 947
 948         /* 02:01:02:03:04:05 02:01:02:03:04:05
 949          * 000102030405060708090a0b0c0d0e0f */
 950         pos = value;
 951         next = os_strchr(pos, ' ');
 952         if (next)
 953                 *next++ = '\0';
 954         if (next == NULL || hwaddr_aton(pos, r1kh->addr)) {
 955                 wpa_printf(MSG_ERROR, "Invalid R1KH MAC address: '%s'", pos);
 956                 os_free(r1kh);
 957                 return -1;
 958         }
 959
 960         pos = next;
 961         next = os_strchr(pos, ' ');
 962         if (next)
 963                 *next++ = '\0';
 964         if (next == NULL || hwaddr_aton(pos, r1kh->id)) {
 965                 wpa_printf(MSG_ERROR, "Invalid R1KH-ID: '%s'", pos);
 966                 os_free(r1kh);
 967                 return -1;
 968         }
 969
 970         pos = next;
 971         if (hexstr2bin(pos, r1kh->key, sizeof(r1kh->key))) {
 972                 wpa_printf(MSG_ERROR, "Invalid R1KH key: '%s'", pos);
 973                 os_free(r1kh);
 974                 return -1;
 975         }
 976
 977         r1kh->next = bss->r1kh_list;
 978         bss->r1kh_list = r1kh;
 979
 980         return 0;
 981 }
 982 #endif /* CONFIG_IEEE80211R */
 983
 984
 985 #ifdef CONFIG_IEEE80211N
 986 static int hostapd_config_ht_capab(struct hostapd_config *conf,
 987                                    const char *capab)
 988 {
 989         if (os_strstr(capab, "[LDPC]"))
 990                 conf->ht_capab |= HT_CAP_INFO_LDPC_CODING_CAP;
 991         if (os_strstr(capab, "[HT40-]")) {
 992                 conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
 993                 conf->secondary_channel = -1;
 994         }
 995         if (os_strstr(capab, "[HT40+]")) {
 996                 conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
 997                 conf->secondary_channel = 1;
 998         }
 999         if (os_strstr(capab, "[SMPS-STATIC]")) {
1000                 conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
1001                 conf->ht_capab |= HT_CAP_INFO_SMPS_STATIC;
1002         }
1003         if (os_strstr(capab, "[SMPS-DYNAMIC]")) {
1004                 conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
1005                 conf->ht_capab |= HT_CAP_INFO_SMPS_DYNAMIC;
1006         }
1007         if (os_strstr(capab, "[GF]"))
1008                 conf->ht_capab |= HT_CAP_INFO_GREEN_FIELD;
1009         if (os_strstr(capab, "[SHORT-GI-20]"))
1010                 conf->ht_capab |= HT_CAP_INFO_SHORT_GI20MHZ;
1011         if (os_strstr(capab, "[SHORT-GI-40]"))
1012                 conf->ht_capab |= HT_CAP_INFO_SHORT_GI40MHZ;
1013         if (os_strstr(capab, "[TX-STBC]"))
1014                 conf->ht_capab |= HT_CAP_INFO_TX_STBC;
1015         if (os_strstr(capab, "[RX-STBC1]")) {
1016                 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1017                 conf->ht_capab |= HT_CAP_INFO_RX_STBC_1;
1018         }
1019         if (os_strstr(capab, "[RX-STBC12]")) {
1020                 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1021                 conf->ht_capab |= HT_CAP_INFO_RX_STBC_12;
1022         }
1023         if (os_strstr(capab, "[RX-STBC123]")) {
1024                 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1025                 conf->ht_capab |= HT_CAP_INFO_RX_STBC_123;
1026         }
1027         if (os_strstr(capab, "[DELAYED-BA]"))
1028                 conf->ht_capab |= HT_CAP_INFO_DELAYED_BA;
1029         if (os_strstr(capab, "[MAX-AMSDU-7935]"))
1030                 conf->ht_capab |= HT_CAP_INFO_MAX_AMSDU_SIZE;
1031         if (os_strstr(capab, "[DSSS_CCK-40]"))
1032                 conf->ht_capab |= HT_CAP_INFO_DSSS_CCK40MHZ;
1033         if (os_strstr(capab, "[PSMP]"))
1034                 conf->ht_capab |= HT_CAP_INFO_PSMP_SUPP;
1035         if (os_strstr(capab, "[LSIG-TXOP-PROT]"))
1036                 conf->ht_capab |= HT_CAP_INFO_LSIG_TXOP_PROTECT_SUPPORT;
1037
1038         return 0;
1039 }
1040 #endif /* CONFIG_IEEE80211N */
1041
1042
1043 static int hostapd_config_check_bss(struct hostapd_bss_config *bss,
1044                                     struct hostapd_config *conf)
1045 {
1046         if (bss->ieee802_1x && !bss->eap_server &&
1047             !bss->radius->auth_servers) {
1048                 wpa_printf(MSG_ERROR, "Invalid IEEE 802.1X configuration (no "
1049                            "EAP authenticator configured).");
1050                 return -1;
1051         }
1052
1053         if (bss->wpa && (bss->wpa_key_mgmt & WPA_KEY_MGMT_PSK) &&
1054             bss->ssid.wpa_psk == NULL && bss->ssid.wpa_passphrase == NULL &&
1055             bss->ssid.wpa_psk_file == NULL) {
1056                 wpa_printf(MSG_ERROR, "WPA-PSK enabled, but PSK or passphrase "
1057                            "is not configured.");
1058                 return -1;
1059         }
1060
1061         if (hostapd_mac_comp_empty(bss->bssid) != 0) {
1062                 size_t i;
1063
1064                 for (i = 0; i < conf->num_bss; i++) {
1065                         if ((&conf->bss[i] != bss) &&
1066                             (hostapd_mac_comp(conf->bss[i].bssid,
1067                                               bss->bssid) == 0)) {
1068                                 wpa_printf(MSG_ERROR, "Duplicate BSSID " MACSTR
1069                                            " on interface '%s' and '%s'.",
1070                                            MAC2STR(bss->bssid),
1071                                            conf->bss[i].iface, bss->iface);
1072                                 return -1;
1073                         }
1074                 }
1075         }
1076
1077 #ifdef CONFIG_IEEE80211R
1078         if ((bss->wpa_key_mgmt &
1079              (WPA_KEY_MGMT_FT_PSK | WPA_KEY_MGMT_FT_IEEE8021X)) &&
1080             (bss->nas_identifier == NULL ||
1081              os_strlen(bss->nas_identifier) < 1 ||
1082              os_strlen(bss->nas_identifier) > FT_R0KH_ID_MAX_LEN)) {
1083                 wpa_printf(MSG_ERROR, "FT (IEEE 802.11r) requires "
1084                            "nas_identifier to be configured as a 1..48 octet "
1085                            "string");
1086                 return -1;
1087         }
1088 #endif /* CONFIG_IEEE80211R */
1089
1090 #ifdef CONFIG_IEEE80211N
1091         if (conf->ieee80211n &&
1092             bss->ssid.security_policy == SECURITY_STATIC_WEP) {
1093                 bss->disable_11n = 1;
1094                 wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WEP is not "
1095                            "allowed, disabling HT capabilities");
1096         }
1097
1098         if (conf->ieee80211n && bss->wpa &&
1099             !(bss->wpa_pairwise & WPA_CIPHER_CCMP) &&
1100             !(bss->rsn_pairwise & WPA_CIPHER_CCMP)) {
1101                 bss->disable_11n = 1;
1102                 wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WPA/WPA2 "
1103                            "requires CCMP to be enabled, disabling HT "
1104                            "capabilities");
1105         }
1106 #endif /* CONFIG_IEEE80211N */
1107
1108 #ifdef CONFIG_WPS2
1109         if (bss->wps_state && bss->ignore_broadcast_ssid) {
1110                 wpa_printf(MSG_INFO, "WPS: ignore_broadcast_ssid "
1111                            "configuration forced WPS to be disabled");
1112                 bss->wps_state = 0;
1113         }
1114
1115         if (bss->wps_state && bss->ssid.wep.keys_set && bss->wpa == 0) {
1116                 wpa_printf(MSG_INFO, "WPS: WEP configuration forced WPS to be "
1117                            "disabled");
1118                 bss->wps_state = 0;
1119         }
1120 #endif /* CONFIG_WPS2 */
1121
1122         return 0;
1123 }
1124
1125
1126 static int hostapd_config_check(struct hostapd_config *conf)
1127 {
1128         size_t i;
1129
1130         if (conf->ieee80211d && (!conf->country[0] || !conf->country[1])) {
1131                 wpa_printf(MSG_ERROR, "Cannot enable IEEE 802.11d without "
1132                            "setting the country_code");
1133                 return -1;
1134         }
1135
1136         for (i = 0; i < conf->num_bss; i++) {
1137                 if (hostapd_config_check_bss(&conf->bss[i], conf))
1138                         return -1;
1139         }
1140
1141         return 0;
1142 }
1143
1144
1145 /**
1146  * hostapd_config_read - Read and parse a configuration file
1147  * @fname: Configuration file name (including path, if needed)
1148  * Returns: Allocated configuration data structure
1149  */
1150 struct hostapd_config * hostapd_config_read(const char *fname)
1151 {
1152         struct hostapd_config *conf;
1153         struct hostapd_bss_config *bss;
1154         FILE *f;
1155         char buf[256], *pos;
1156         int line = 0;
1157         int errors = 0;
1158         int pairwise;
1159         size_t i;
1160
1161         f = fopen(fname, "r");
1162         if (f == NULL) {
1163                 wpa_printf(MSG_ERROR, "Could not open configuration file '%s' "
1164                            "for reading.", fname);
1165                 return NULL;
1166         }
1167
1168         conf = hostapd_config_defaults();
1169         if (conf == NULL) {
1170                 fclose(f);
1171                 return NULL;
1172         }
1173
1174         /* set default driver based on configuration */
1175         conf->driver = wpa_drivers[0];
1176         if (conf->driver == NULL) {
1177                 wpa_printf(MSG_ERROR, "No driver wrappers registered!");
1178                 hostapd_config_free(conf);
1179                 fclose(f);
1180                 return NULL;
1181         }
1182
1183         bss = conf->last_bss = conf->bss;
1184
1185         while (fgets(buf, sizeof(buf), f)) {
1186                 bss = conf->last_bss;
1187                 line++;
1188
1189                 if (buf[0] == '#')
1190                         continue;
1191                 pos = buf;
1192                 while (*pos != '\0') {
1193                         if (*pos == '\n') {
1194                                 *pos = '\0';
1195                                 break;
1196                         }
1197                         pos++;
1198                 }
1199                 if (buf[0] == '\0')
1200                         continue;
1201
1202                 pos = os_strchr(buf, '=');
1203                 if (pos == NULL) {
1204                         wpa_printf(MSG_ERROR, "Line %d: invalid line '%s'",
1205                                    line, buf);
1206                         errors++;
1207                         continue;
1208                 }
1209                 *pos = '\0';
1210                 pos++;
1211
1212                 if (os_strcmp(buf, "interface") == 0) {
1213                         os_strlcpy(conf->bss[0].iface, pos,
1214                                    sizeof(conf->bss[0].iface));
1215                 } else if (os_strcmp(buf, "bridge") == 0) {
1216                         os_strlcpy(bss->bridge, pos, sizeof(bss->bridge));
1217                 } else if (os_strcmp(buf, "wds_bridge") == 0) {
1218                         os_strlcpy(bss->wds_bridge, pos,
1219                                    sizeof(bss->wds_bridge));
1220                 } else if (os_strcmp(buf, "driver") == 0) {
1221                         int j;
1222                         /* clear to get error below if setting is invalid */
1223                         conf->driver = NULL;
1224                         for (j = 0; wpa_drivers[j]; j++) {
1225                                 if (os_strcmp(pos, wpa_drivers[j]->name) == 0)
1226                                 {
1227                                         conf->driver = wpa_drivers[j];
1228                                         break;
1229                                 }
1230                         }
1231                         if (conf->driver == NULL) {
1232                                 wpa_printf(MSG_ERROR, "Line %d: invalid/"
1233                                            "unknown driver '%s'", line, pos);
1234                                 errors++;
1235                         }
1236                 } else if (os_strcmp(buf, "debug") == 0) {
1237                         wpa_printf(MSG_DEBUG, "Line %d: DEPRECATED: 'debug' "
1238                                    "configuration variable is not used "
1239                                    "anymore", line);
1240                 } else if (os_strcmp(buf, "logger_syslog_level") == 0) {
1241                         bss->logger_syslog_level = atoi(pos);
1242                 } else if (os_strcmp(buf, "logger_stdout_level") == 0) {
1243                         bss->logger_stdout_level = atoi(pos);
1244                 } else if (os_strcmp(buf, "logger_syslog") == 0) {
1245                         bss->logger_syslog = atoi(pos);
1246                 } else if (os_strcmp(buf, "logger_stdout") == 0) {
1247                         bss->logger_stdout = atoi(pos);
1248                 } else if (os_strcmp(buf, "dump_file") == 0) {
1249                         bss->dump_log_name = os_strdup(pos);
1250                 } else if (os_strcmp(buf, "ssid") == 0) {
1251                         bss->ssid.ssid_len = os_strlen(pos);
1252                         if (bss->ssid.ssid_len > HOSTAPD_MAX_SSID_LEN ||
1253                             bss->ssid.ssid_len < 1) {
1254                                 wpa_printf(MSG_ERROR, "Line %d: invalid SSID "
1255                                            "'%s'", line, pos);
1256                                 errors++;
1257                         } else {
1258                                 os_memcpy(bss->ssid.ssid, pos,
1259                                           bss->ssid.ssid_len);
1260                                 bss->ssid.ssid[bss->ssid.ssid_len] = '\0';
1261                                 bss->ssid.ssid_set = 1;
1262                         }
1263                 } else if (os_strcmp(buf, "macaddr_acl") == 0) {
1264                         bss->macaddr_acl = atoi(pos);
1265                         if (bss->macaddr_acl != ACCEPT_UNLESS_DENIED &&
1266                             bss->macaddr_acl != DENY_UNLESS_ACCEPTED &&
1267                             bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
1268                                 wpa_printf(MSG_ERROR, "Line %d: unknown "
1269                                            "macaddr_acl %d",
1270                                            line, bss->macaddr_acl);
1271                         }
1272                 } else if (os_strcmp(buf, "accept_mac_file") == 0) {
1273                         if (hostapd_config_read_maclist(pos, &bss->accept_mac,
1274                                                         &bss->num_accept_mac))
1275                         {
1276                                 wpa_printf(MSG_ERROR, "Line %d: Failed to "
1277                                            "read accept_mac_file '%s'",
1278                                            line, pos);
1279                                 errors++;
1280                         }
1281                 } else if (os_strcmp(buf, "deny_mac_file") == 0) {
1282                         if (hostapd_config_read_maclist(pos, &bss->deny_mac,
1283                                                         &bss->num_deny_mac)) {
1284                                 wpa_printf(MSG_ERROR, "Line %d: Failed to "
1285                                            "read deny_mac_file '%s'",
1286                                            line, pos);
1287                                 errors++;
1288                         }
1289                 } else if (os_strcmp(buf, "wds_sta") == 0) {
1290                         bss->wds_sta = atoi(pos);
1291                 } else if (os_strcmp(buf, "ap_isolate") == 0) {
1292                         bss->isolate = atoi(pos);
1293                 } else if (os_strcmp(buf, "ap_max_inactivity") == 0) {
1294                         bss->ap_max_inactivity = atoi(pos);
1295                 } else if (os_strcmp(buf, "country_code") == 0) {
1296                         os_memcpy(conf->country, pos, 2);
1297                         /* FIX: make this configurable */
1298                         conf->country[2] = ' ';
1299                 } else if (os_strcmp(buf, "ieee80211d") == 0) {
1300                         conf->ieee80211d = atoi(pos);
1301                 } else if (os_strcmp(buf, "ieee8021x") == 0) {
1302                         bss->ieee802_1x = atoi(pos);
1303                 } else if (os_strcmp(buf, "eapol_version") == 0) {
1304                         bss->eapol_version = atoi(pos);
1305                         if (bss->eapol_version < 1 ||
1306                             bss->eapol_version > 2) {
1307                                 wpa_printf(MSG_ERROR, "Line %d: invalid EAPOL "
1308                                            "version (%d): '%s'.",
1309                                            line, bss->eapol_version, pos);
1310                                 errors++;
1311                         } else
1312                                 wpa_printf(MSG_DEBUG, "eapol_version=%d",
1313                                            bss->eapol_version);
1314 #ifdef EAP_SERVER
1315                 } else if (os_strcmp(buf, "eap_authenticator") == 0) {
1316                         bss->eap_server = atoi(pos);
1317                         wpa_printf(MSG_ERROR, "Line %d: obsolete "
1318                                    "eap_authenticator used; this has been "
1319                                    "renamed to eap_server", line);
1320                 } else if (os_strcmp(buf, "eap_server") == 0) {
1321                         bss->eap_server = atoi(pos);
1322                 } else if (os_strcmp(buf, "eap_user_file") == 0) {
1323                         if (hostapd_config_read_eap_user(pos, bss))
1324                                 errors++;
1325                 } else if (os_strcmp(buf, "ca_cert") == 0) {
1326                         os_free(bss->ca_cert);
1327                         bss->ca_cert = os_strdup(pos);
1328                 } else if (os_strcmp(buf, "server_cert") == 0) {
1329                         os_free(bss->server_cert);
1330                         bss->server_cert = os_strdup(pos);
1331                 } else if (os_strcmp(buf, "private_key") == 0) {
1332                         os_free(bss->private_key);
1333                         bss->private_key = os_strdup(pos);
1334                 } else if (os_strcmp(buf, "private_key_passwd") == 0) {
1335                         os_free(bss->private_key_passwd);
1336                         bss->private_key_passwd = os_strdup(pos);
1337                 } else if (os_strcmp(buf, "check_crl") == 0) {
1338                         bss->check_crl = atoi(pos);
1339                 } else if (os_strcmp(buf, "dh_file") == 0) {
1340                         os_free(bss->dh_file);
1341                         bss->dh_file = os_strdup(pos);
1342                 } else if (os_strcmp(buf, "fragment_size") == 0) {
1343                         bss->fragment_size = atoi(pos);
1344 #ifdef EAP_SERVER_FAST
1345                 } else if (os_strcmp(buf, "pac_opaque_encr_key") == 0) {
1346                         os_free(bss->pac_opaque_encr_key);
1347                         bss->pac_opaque_encr_key = os_malloc(16);
1348                         if (bss->pac_opaque_encr_key == NULL) {
1349                                 wpa_printf(MSG_ERROR, "Line %d: No memory for "
1350                                            "pac_opaque_encr_key", line);
1351                                 errors++;
1352                         } else if (hexstr2bin(pos, bss->pac_opaque_encr_key,
1353                                               16)) {
1354                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1355                                            "pac_opaque_encr_key", line);
1356                                 errors++;
1357                         }
1358                 } else if (os_strcmp(buf, "eap_fast_a_id") == 0) {
1359                         size_t idlen = os_strlen(pos);
1360                         if (idlen & 1) {
1361                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1362                                            "eap_fast_a_id", line);
1363                                 errors++;
1364                         } else {
1365                                 os_free(bss->eap_fast_a_id);
1366                                 bss->eap_fast_a_id = os_malloc(idlen / 2);
1367                                 if (bss->eap_fast_a_id == NULL ||
1368                                     hexstr2bin(pos, bss->eap_fast_a_id,
1369                                                idlen / 2)) {
1370                                         wpa_printf(MSG_ERROR, "Line %d: "
1371                                                    "Failed to parse "
1372                                                    "eap_fast_a_id", line);
1373                                         errors++;
1374                                 } else
1375                                         bss->eap_fast_a_id_len = idlen / 2;
1376                         }
1377                 } else if (os_strcmp(buf, "eap_fast_a_id_info") == 0) {
1378                         os_free(bss->eap_fast_a_id_info);
1379                         bss->eap_fast_a_id_info = os_strdup(pos);
1380                 } else if (os_strcmp(buf, "eap_fast_prov") == 0) {
1381                         bss->eap_fast_prov = atoi(pos);
1382                 } else if (os_strcmp(buf, "pac_key_lifetime") == 0) {
1383                         bss->pac_key_lifetime = atoi(pos);
1384                 } else if (os_strcmp(buf, "pac_key_refresh_time") == 0) {
1385                         bss->pac_key_refresh_time = atoi(pos);
1386 #endif /* EAP_SERVER_FAST */
1387 #ifdef EAP_SERVER_SIM
1388                 } else if (os_strcmp(buf, "eap_sim_db") == 0) {
1389                         os_free(bss->eap_sim_db);
1390                         bss->eap_sim_db = os_strdup(pos);
1391                 } else if (os_strcmp(buf, "eap_sim_aka_result_ind") == 0) {
1392                         bss->eap_sim_aka_result_ind = atoi(pos);
1393 #endif /* EAP_SERVER_SIM */
1394 #ifdef EAP_SERVER_TNC
1395                 } else if (os_strcmp(buf, "tnc") == 0) {
1396                         bss->tnc = atoi(pos);
1397 #endif /* EAP_SERVER_TNC */
1398 #ifdef EAP_SERVER_PWD
1399                 } else if (os_strcmp(buf, "pwd_group") == 0) {
1400                         bss->pwd_group = atoi(pos);
1401 #endif /* EAP_SERVER_PWD */
1402 #endif /* EAP_SERVER */
1403                 } else if (os_strcmp(buf, "eap_message") == 0) {
1404                         char *term;
1405                         bss->eap_req_id_text = os_strdup(pos);
1406                         if (bss->eap_req_id_text == NULL) {
1407                                 wpa_printf(MSG_ERROR, "Line %d: Failed to "
1408                                            "allocate memory for "
1409                                            "eap_req_id_text", line);
1410                                 errors++;
1411                                 continue;
1412                         }
1413                         bss->eap_req_id_text_len =
1414                                 os_strlen(bss->eap_req_id_text);
1415                         term = os_strstr(bss->eap_req_id_text, "\\0");
1416                         if (term) {
1417                                 *term++ = '\0';
1418                                 os_memmove(term, term + 1,
1419                                            bss->eap_req_id_text_len -
1420                                            (term - bss->eap_req_id_text) - 1);
1421                                 bss->eap_req_id_text_len--;
1422                         }
1423                 } else if (os_strcmp(buf, "wep_key_len_broadcast") == 0) {
1424                         bss->default_wep_key_len = atoi(pos);
1425                         if (bss->default_wep_key_len > 13) {
1426                                 wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
1427                                            "key len %lu (= %lu bits)", line,
1428                                            (unsigned long)
1429                                            bss->default_wep_key_len,
1430                                            (unsigned long)
1431                                            bss->default_wep_key_len * 8);
1432                                 errors++;
1433                         }
1434                 } else if (os_strcmp(buf, "wep_key_len_unicast") == 0) {
1435                         bss->individual_wep_key_len = atoi(pos);
1436                         if (bss->individual_wep_key_len < 0 ||
1437                             bss->individual_wep_key_len > 13) {
1438                                 wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
1439                                            "key len %d (= %d bits)", line,
1440                                            bss->individual_wep_key_len,
1441                                            bss->individual_wep_key_len * 8);
1442                                 errors++;
1443                         }
1444                 } else if (os_strcmp(buf, "wep_rekey_period") == 0) {
1445                         bss->wep_rekeying_period = atoi(pos);
1446                         if (bss->wep_rekeying_period < 0) {
1447                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1448                                            "period %d",
1449                                            line, bss->wep_rekeying_period);
1450                                 errors++;
1451                         }
1452                 } else if (os_strcmp(buf, "eap_reauth_period") == 0) {
1453                         bss->eap_reauth_period = atoi(pos);
1454                         if (bss->eap_reauth_period < 0) {
1455                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1456                                            "period %d",
1457                                            line, bss->eap_reauth_period);
1458                                 errors++;
1459                         }
1460                 } else if (os_strcmp(buf, "eapol_key_index_workaround") == 0) {
1461                         bss->eapol_key_index_workaround = atoi(pos);
1462 #ifdef CONFIG_IAPP
1463                 } else if (os_strcmp(buf, "iapp_interface") == 0) {
1464                         bss->ieee802_11f = 1;
1465                         os_strlcpy(bss->iapp_iface, pos,
1466                                    sizeof(bss->iapp_iface));
1467 #endif /* CONFIG_IAPP */
1468                 } else if (os_strcmp(buf, "own_ip_addr") == 0) {
1469                         if (hostapd_parse_ip_addr(pos, &bss->own_ip_addr)) {
1470                                 wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1471                                            "address '%s'", line, pos);
1472                                 errors++;
1473                         }
1474                 } else if (os_strcmp(buf, "nas_identifier") == 0) {
1475                         bss->nas_identifier = os_strdup(pos);
1476 #ifndef CONFIG_NO_RADIUS
1477                 } else if (os_strcmp(buf, "auth_server_addr") == 0) {
1478                         if (hostapd_config_read_radius_addr(
1479                                     &bss->radius->auth_servers,
1480                                     &bss->radius->num_auth_servers, pos, 1812,
1481                                     &bss->radius->auth_server)) {
1482                                 wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1483                                            "address '%s'", line, pos);
1484                                 errors++;
1485                         }
1486                 } else if (bss->radius->auth_server &&
1487                            os_strcmp(buf, "auth_server_port") == 0) {
1488                         bss->radius->auth_server->port = atoi(pos);
1489                 } else if (bss->radius->auth_server &&
1490                            os_strcmp(buf, "auth_server_shared_secret") == 0) {
1491                         int len = os_strlen(pos);
1492                         if (len == 0) {
1493                                 /* RFC 2865, Ch. 3 */
1494                                 wpa_printf(MSG_ERROR, "Line %d: empty shared "
1495                                            "secret is not allowed.", line);
1496                                 errors++;
1497                         }
1498                         bss->radius->auth_server->shared_secret =
1499                                 (u8 *) os_strdup(pos);
1500                         bss->radius->auth_server->shared_secret_len = len;
1501                 } else if (os_strcmp(buf, "acct_server_addr") == 0) {
1502                         if (hostapd_config_read_radius_addr(
1503                                     &bss->radius->acct_servers,
1504                                     &bss->radius->num_acct_servers, pos, 1813,
1505                                     &bss->radius->acct_server)) {
1506                                 wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1507                                            "address '%s'", line, pos);
1508                                 errors++;
1509                         }
1510                 } else if (bss->radius->acct_server &&
1511                            os_strcmp(buf, "acct_server_port") == 0) {
1512                         bss->radius->acct_server->port = atoi(pos);
1513                 } else if (bss->radius->acct_server &&
1514                            os_strcmp(buf, "acct_server_shared_secret") == 0) {
1515                         int len = os_strlen(pos);
1516                         if (len == 0) {
1517                                 /* RFC 2865, Ch. 3 */
1518                                 wpa_printf(MSG_ERROR, "Line %d: empty shared "
1519                                            "secret is not allowed.", line);
1520                                 errors++;
1521                         }
1522                         bss->radius->acct_server->shared_secret =
1523                                 (u8 *) os_strdup(pos);
1524                         bss->radius->acct_server->shared_secret_len = len;
1525                 } else if (os_strcmp(buf, "radius_retry_primary_interval") ==
1526                            0) {
1527                         bss->radius->retry_primary_interval = atoi(pos);
1528                 } else if (os_strcmp(buf, "radius_acct_interim_interval") == 0)
1529                 {
1530                         bss->acct_interim_interval = atoi(pos);
1531 #endif /* CONFIG_NO_RADIUS */
1532                 } else if (os_strcmp(buf, "auth_algs") == 0) {
1533                         bss->auth_algs = atoi(pos);
1534                         if (bss->auth_algs == 0) {
1535                                 wpa_printf(MSG_ERROR, "Line %d: no "
1536                                            "authentication algorithms allowed",
1537                                            line);
1538                                 errors++;
1539                         }
1540                 } else if (os_strcmp(buf, "max_num_sta") == 0) {
1541                         bss->max_num_sta = atoi(pos);
1542                         if (bss->max_num_sta < 0 ||
1543                             bss->max_num_sta > MAX_STA_COUNT) {
1544                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1545                                            "max_num_sta=%d; allowed range "
1546                                            "0..%d", line, bss->max_num_sta,
1547                                            MAX_STA_COUNT);
1548                                 errors++;
1549                         }
1550                 } else if (os_strcmp(buf, "wpa") == 0) {
1551                         bss->wpa = atoi(pos);
1552                 } else if (os_strcmp(buf, "wpa_group_rekey") == 0) {
1553                         bss->wpa_group_rekey = atoi(pos);
1554                 } else if (os_strcmp(buf, "wpa_strict_rekey") == 0) {
1555                         bss->wpa_strict_rekey = atoi(pos);
1556                 } else if (os_strcmp(buf, "wpa_gmk_rekey") == 0) {
1557                         bss->wpa_gmk_rekey = atoi(pos);
1558                 } else if (os_strcmp(buf, "wpa_ptk_rekey") == 0) {
1559                         bss->wpa_ptk_rekey = atoi(pos);
1560                 } else if (os_strcmp(buf, "wpa_passphrase") == 0) {
1561                         int len = os_strlen(pos);
1562                         if (len < 8 || len > 63) {
1563                                 wpa_printf(MSG_ERROR, "Line %d: invalid WPA "
1564                                            "passphrase length %d (expected "
1565                                            "8..63)", line, len);
1566                                 errors++;
1567                         } else {
1568                                 os_free(bss->ssid.wpa_passphrase);
1569                                 bss->ssid.wpa_passphrase = os_strdup(pos);
1570                         }
1571                 } else if (os_strcmp(buf, "wpa_psk") == 0) {
1572                         os_free(bss->ssid.wpa_psk);
1573                         bss->ssid.wpa_psk =
1574                                 os_zalloc(sizeof(struct hostapd_wpa_psk));
1575                         if (bss->ssid.wpa_psk == NULL)
1576                                 errors++;
1577                         else if (hexstr2bin(pos, bss->ssid.wpa_psk->psk,
1578                                             PMK_LEN) ||
1579                                  pos[PMK_LEN * 2] != '\0') {
1580                                 wpa_printf(MSG_ERROR, "Line %d: Invalid PSK "
1581                                            "'%s'.", line, pos);
1582                                 errors++;
1583                         } else {
1584                                 bss->ssid.wpa_psk->group = 1;
1585                         }
1586                 } else if (os_strcmp(buf, "wpa_psk_file") == 0) {
1587                         os_free(bss->ssid.wpa_psk_file);
1588                         bss->ssid.wpa_psk_file = os_strdup(pos);
1589                         if (!bss->ssid.wpa_psk_file) {
1590                                 wpa_printf(MSG_ERROR, "Line %d: allocation "
1591                                            "failed", line);
1592                                 errors++;
1593                         }
1594                 } else if (os_strcmp(buf, "wpa_key_mgmt") == 0) {
1595                         bss->wpa_key_mgmt =
1596                                 hostapd_config_parse_key_mgmt(line, pos);
1597                         if (bss->wpa_key_mgmt == -1)
1598                                 errors++;
1599                 } else if (os_strcmp(buf, "wpa_pairwise") == 0) {
1600                         bss->wpa_pairwise =
1601                                 hostapd_config_parse_cipher(line, pos);
1602                         if (bss->wpa_pairwise == -1 ||
1603                             bss->wpa_pairwise == 0)
1604                                 errors++;
1605                         else if (bss->wpa_pairwise &
1606                                  (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
1607                                   WPA_CIPHER_WEP104)) {
1608                                 wpa_printf(MSG_ERROR, "Line %d: unsupported "
1609                                            "pairwise cipher suite '%s'",
1610                                            bss->wpa_pairwise, pos);
1611                                 errors++;
1612                         }
1613                 } else if (os_strcmp(buf, "rsn_pairwise") == 0) {
1614                         bss->rsn_pairwise =
1615                                 hostapd_config_parse_cipher(line, pos);
1616                         if (bss->rsn_pairwise == -1 ||
1617                             bss->rsn_pairwise == 0)
1618                                 errors++;
1619                         else if (bss->rsn_pairwise &
1620                                  (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
1621                                   WPA_CIPHER_WEP104)) {
1622                                 wpa_printf(MSG_ERROR, "Line %d: unsupported "
1623                                            "pairwise cipher suite '%s'",
1624                                            bss->rsn_pairwise, pos);
1625                                 errors++;
1626                         }
1627 #ifdef CONFIG_RSN_PREAUTH
1628                 } else if (os_strcmp(buf, "rsn_preauth") == 0) {
1629                         bss->rsn_preauth = atoi(pos);
1630                 } else if (os_strcmp(buf, "rsn_preauth_interfaces") == 0) {
1631                         bss->rsn_preauth_interfaces = os_strdup(pos);
1632 #endif /* CONFIG_RSN_PREAUTH */
1633 #ifdef CONFIG_PEERKEY
1634                 } else if (os_strcmp(buf, "peerkey") == 0) {
1635                         bss->peerkey = atoi(pos);
1636 #endif /* CONFIG_PEERKEY */
1637 #ifdef CONFIG_IEEE80211R
1638                 } else if (os_strcmp(buf, "mobility_domain") == 0) {
1639                         if (os_strlen(pos) != 2 * MOBILITY_DOMAIN_ID_LEN ||
1640                             hexstr2bin(pos, bss->mobility_domain,
1641                                        MOBILITY_DOMAIN_ID_LEN) != 0) {
1642                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1643                                            "mobility_domain '%s'", line, pos);
1644                                 errors++;
1645                                 continue;
1646                         }
1647                 } else if (os_strcmp(buf, "r1_key_holder") == 0) {
1648                         if (os_strlen(pos) != 2 * FT_R1KH_ID_LEN ||
1649                             hexstr2bin(pos, bss->r1_key_holder,
1650                                        FT_R1KH_ID_LEN) != 0) {
1651                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1652                                            "r1_key_holder '%s'", line, pos);
1653                                 errors++;
1654                                 continue;
1655                         }
1656                 } else if (os_strcmp(buf, "r0_key_lifetime") == 0) {
1657                         bss->r0_key_lifetime = atoi(pos);
1658                 } else if (os_strcmp(buf, "reassociation_deadline") == 0) {
1659                         bss->reassociation_deadline = atoi(pos);
1660                 } else if (os_strcmp(buf, "r0kh") == 0) {
1661                         if (add_r0kh(bss, pos) < 0) {
1662                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1663                                            "r0kh '%s'", line, pos);
1664                                 errors++;
1665                                 continue;
1666                         }
1667                 } else if (os_strcmp(buf, "r1kh") == 0) {
1668                         if (add_r1kh(bss, pos) < 0) {
1669                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1670                                            "r1kh '%s'", line, pos);
1671                                 errors++;
1672                                 continue;
1673                         }
1674                 } else if (os_strcmp(buf, "pmk_r1_push") == 0) {
1675                         bss->pmk_r1_push = atoi(pos);
1676                 } else if (os_strcmp(buf, "ft_over_ds") == 0) {
1677                         bss->ft_over_ds = atoi(pos);
1678 #endif /* CONFIG_IEEE80211R */
1679 #ifndef CONFIG_NO_CTRL_IFACE
1680                 } else if (os_strcmp(buf, "ctrl_interface") == 0) {
1681                         os_free(bss->ctrl_interface);
1682                         bss->ctrl_interface = os_strdup(pos);
1683                 } else if (os_strcmp(buf, "ctrl_interface_group") == 0) {
1684 #ifndef CONFIG_NATIVE_WINDOWS
1685                         struct group *grp;
1686                         char *endp;
1687                         const char *group = pos;
1688
1689                         grp = getgrnam(group);
1690                         if (grp) {
1691                                 bss->ctrl_interface_gid = grp->gr_gid;
1692                                 bss->ctrl_interface_gid_set = 1;
1693                                 wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d"
1694                                            " (from group name '%s')",
1695                                            bss->ctrl_interface_gid, group);
1696                                 continue;
1697                         }
1698
1699                         /* Group name not found - try to parse this as gid */
1700                         bss->ctrl_interface_gid = strtol(group, &endp, 10);
1701                         if (*group == '\0' || *endp != '\0') {
1702                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid group "
1703                                            "'%s'", line, group);
1704                                 errors++;
1705                                 continue;
1706                         }
1707                         bss->ctrl_interface_gid_set = 1;
1708                         wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d",
1709                                    bss->ctrl_interface_gid);
1710 #endif /* CONFIG_NATIVE_WINDOWS */
1711 #endif /* CONFIG_NO_CTRL_IFACE */
1712 #ifdef RADIUS_SERVER
1713                 } else if (os_strcmp(buf, "radius_server_clients") == 0) {
1714                         os_free(bss->radius_server_clients);
1715                         bss->radius_server_clients = os_strdup(pos);
1716                 } else if (os_strcmp(buf, "radius_server_auth_port") == 0) {
1717                         bss->radius_server_auth_port = atoi(pos);
1718                 } else if (os_strcmp(buf, "radius_server_ipv6") == 0) {
1719                         bss->radius_server_ipv6 = atoi(pos);
1720 #endif /* RADIUS_SERVER */
1721                 } else if (os_strcmp(buf, "test_socket") == 0) {
1722                         os_free(bss->test_socket);
1723                         bss->test_socket = os_strdup(pos);
1724                 } else if (os_strcmp(buf, "use_pae_group_addr") == 0) {
1725                         bss->use_pae_group_addr = atoi(pos);
1726                 } else if (os_strcmp(buf, "hw_mode") == 0) {
1727                         if (os_strcmp(pos, "a") == 0)
1728                                 conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
1729                         else if (os_strcmp(pos, "b") == 0)
1730                                 conf->hw_mode = HOSTAPD_MODE_IEEE80211B;
1731                         else if (os_strcmp(pos, "g") == 0)
1732                                 conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
1733                         else {
1734                                 wpa_printf(MSG_ERROR, "Line %d: unknown "
1735                                            "hw_mode '%s'", line, pos);
1736                                 errors++;
1737                         }
1738                 } else if (os_strcmp(buf, "channel") == 0) {
1739                         conf->channel = atoi(pos);
1740                 } else if (os_strcmp(buf, "beacon_int") == 0) {
1741                         int val = atoi(pos);
1742                         /* MIB defines range as 1..65535, but very small values
1743                          * cause problems with the current implementation.
1744                          * Since it is unlikely that this small numbers are
1745                          * useful in real life scenarios, do not allow beacon
1746                          * period to be set below 15 TU. */
1747                         if (val < 15 || val > 65535) {
1748                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1749                                            "beacon_int %d (expected "
1750                                            "15..65535)", line, val);
1751                                 errors++;
1752                         } else
1753                                 conf->beacon_int = val;
1754                 } else if (os_strcmp(buf, "dtim_period") == 0) {
1755                         bss->dtim_period = atoi(pos);
1756                         if (bss->dtim_period < 1 || bss->dtim_period > 255) {
1757                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1758                                            "dtim_period %d",
1759                                            line, bss->dtim_period);
1760                                 errors++;
1761                         }
1762                 } else if (os_strcmp(buf, "rts_threshold") == 0) {
1763                         conf->rts_threshold = atoi(pos);
1764                         if (conf->rts_threshold < 0 ||
1765                             conf->rts_threshold > 2347) {
1766                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1767                                            "rts_threshold %d",
1768                                            line, conf->rts_threshold);
1769                                 errors++;
1770                         }
1771                 } else if (os_strcmp(buf, "fragm_threshold") == 0) {
1772                         conf->fragm_threshold = atoi(pos);
1773                         if (conf->fragm_threshold < 256 ||
1774                             conf->fragm_threshold > 2346) {
1775                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1776                                            "fragm_threshold %d",
1777                                            line, conf->fragm_threshold);
1778                                 errors++;
1779                         }
1780                 } else if (os_strcmp(buf, "send_probe_response") == 0) {
1781                         int val = atoi(pos);
1782                         if (val != 0 && val != 1) {
1783                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1784                                            "send_probe_response %d (expected "
1785                                            "0 or 1)", line, val);
1786                         } else
1787                                 conf->send_probe_response = val;
1788                 } else if (os_strcmp(buf, "supported_rates") == 0) {
1789                         if (hostapd_parse_rates(&conf->supported_rates, pos)) {
1790                                 wpa_printf(MSG_ERROR, "Line %d: invalid rate "
1791                                            "list", line);
1792                                 errors++;
1793                         }
1794                 } else if (os_strcmp(buf, "basic_rates") == 0) {
1795                         if (hostapd_parse_rates(&conf->basic_rates, pos)) {
1796                                 wpa_printf(MSG_ERROR, "Line %d: invalid rate "
1797                                            "list", line);
1798                                 errors++;
1799                         }
1800                 } else if (os_strcmp(buf, "preamble") == 0) {
1801                         if (atoi(pos))
1802                                 conf->preamble = SHORT_PREAMBLE;
1803                         else
1804                                 conf->preamble = LONG_PREAMBLE;
1805                 } else if (os_strcmp(buf, "ignore_broadcast_ssid") == 0) {
1806                         bss->ignore_broadcast_ssid = atoi(pos);
1807                 } else if (os_strcmp(buf, "wep_default_key") == 0) {
1808                         bss->ssid.wep.idx = atoi(pos);
1809                         if (bss->ssid.wep.idx > 3) {
1810                                 wpa_printf(MSG_ERROR, "Invalid "
1811                                            "wep_default_key index %d",
1812                                            bss->ssid.wep.idx);
1813                                 errors++;
1814                         }
1815                 } else if (os_strcmp(buf, "wep_key0") == 0 ||
1816                            os_strcmp(buf, "wep_key1") == 0 ||
1817                            os_strcmp(buf, "wep_key2") == 0 ||
1818                            os_strcmp(buf, "wep_key3") == 0) {
1819                         if (hostapd_config_read_wep(&bss->ssid.wep,
1820                                                     buf[7] - '0', pos)) {
1821                                 wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
1822                                            "key '%s'", line, buf);
1823                                 errors++;
1824                         }
1825 #ifndef CONFIG_NO_VLAN
1826                 } else if (os_strcmp(buf, "dynamic_vlan") == 0) {
1827                         bss->ssid.dynamic_vlan = atoi(pos);
1828                 } else if (os_strcmp(buf, "vlan_file") == 0) {
1829                         if (hostapd_config_read_vlan_file(bss, pos)) {
1830                                 wpa_printf(MSG_ERROR, "Line %d: failed to "
1831                                            "read VLAN file '%s'", line, pos);
1832                                 errors++;
1833                         }
1834 #ifdef CONFIG_FULL_DYNAMIC_VLAN
1835                 } else if (os_strcmp(buf, "vlan_tagged_interface") == 0) {
1836                         bss->ssid.vlan_tagged_interface = os_strdup(pos);
1837 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
1838 #endif /* CONFIG_NO_VLAN */
1839                 } else if (os_strcmp(buf, "ap_table_max_size") == 0) {
1840                         conf->ap_table_max_size = atoi(pos);
1841                 } else if (os_strcmp(buf, "ap_table_expiration_time") == 0) {
1842                         conf->ap_table_expiration_time = atoi(pos);
1843                 } else if (os_strncmp(buf, "tx_queue_", 9) == 0) {
1844                         if (hostapd_config_tx_queue(conf, buf, pos)) {
1845                                 wpa_printf(MSG_ERROR, "Line %d: invalid TX "
1846                                            "queue item", line);
1847                                 errors++;
1848                         }
1849                 } else if (os_strcmp(buf, "wme_enabled") == 0 ||
1850                            os_strcmp(buf, "wmm_enabled") == 0) {
1851                         bss->wmm_enabled = atoi(pos);
1852                 } else if (os_strcmp(buf, "uapsd_advertisement_enabled") == 0) {
1853                         bss->wmm_uapsd = atoi(pos);
1854                 } else if (os_strncmp(buf, "wme_ac_", 7) == 0 ||
1855                            os_strncmp(buf, "wmm_ac_", 7) == 0) {
1856                         if (hostapd_config_wmm_ac(conf, buf, pos)) {
1857                                 wpa_printf(MSG_ERROR, "Line %d: invalid WMM "
1858                                            "ac item", line);
1859                                 errors++;
1860                         }
1861                 } else if (os_strcmp(buf, "bss") == 0) {
1862                         if (hostapd_config_bss(conf, pos)) {
1863                                 wpa_printf(MSG_ERROR, "Line %d: invalid bss "
1864                                            "item", line);
1865                                 errors++;
1866                         }
1867                 } else if (os_strcmp(buf, "bssid") == 0) {
1868                         if (hwaddr_aton(pos, bss->bssid)) {
1869                                 wpa_printf(MSG_ERROR, "Line %d: invalid bssid "
1870                                            "item", line);
1871                                 errors++;
1872                         }
1873 #ifdef CONFIG_IEEE80211W
1874                 } else if (os_strcmp(buf, "ieee80211w") == 0) {
1875                         bss->ieee80211w = atoi(pos);
1876                 } else if (os_strcmp(buf, "assoc_sa_query_max_timeout") == 0) {
1877                         bss->assoc_sa_query_max_timeout = atoi(pos);
1878                         if (bss->assoc_sa_query_max_timeout == 0) {
1879                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1880                                            "assoc_sa_query_max_timeout", line);
1881                                 errors++;
1882                         }
1883                 } else if (os_strcmp(buf, "assoc_sa_query_retry_timeout") == 0)
1884                 {
1885                         bss->assoc_sa_query_retry_timeout = atoi(pos);
1886                         if (bss->assoc_sa_query_retry_timeout == 0) {
1887                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1888                                            "assoc_sa_query_retry_timeout",
1889                                            line);
1890                                 errors++;
1891                         }
1892 #endif /* CONFIG_IEEE80211W */
1893 #ifdef CONFIG_IEEE80211N
1894                 } else if (os_strcmp(buf, "ieee80211n") == 0) {
1895                         conf->ieee80211n = atoi(pos);
1896                 } else if (os_strcmp(buf, "ht_capab") == 0) {
1897                         if (hostapd_config_ht_capab(conf, pos) < 0) {
1898                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1899                                            "ht_capab", line);
1900                                 errors++;
1901                         }
1902                 } else if (os_strcmp(buf, "require_ht") == 0) {
1903                         conf->require_ht = atoi(pos);
1904 #endif /* CONFIG_IEEE80211N */
1905                 } else if (os_strcmp(buf, "max_listen_interval") == 0) {
1906                         bss->max_listen_interval = atoi(pos);
1907                 } else if (os_strcmp(buf, "okc") == 0) {
1908                         bss->okc = atoi(pos);
1909 #ifdef CONFIG_WPS
1910                 } else if (os_strcmp(buf, "wps_state") == 0) {
1911                         bss->wps_state = atoi(pos);
1912                         if (bss->wps_state < 0 || bss->wps_state > 2) {
1913                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1914                                            "wps_state", line);
1915                                 errors++;
1916                         }
1917                 } else if (os_strcmp(buf, "ap_setup_locked") == 0) {
1918                         bss->ap_setup_locked = atoi(pos);
1919                 } else if (os_strcmp(buf, "uuid") == 0) {
1920                         if (uuid_str2bin(pos, bss->uuid)) {
1921                                 wpa_printf(MSG_ERROR, "Line %d: invalid UUID",
1922                                            line);
1923                                 errors++;
1924                         }
1925                 } else if (os_strcmp(buf, "wps_pin_requests") == 0) {
1926                         os_free(bss->wps_pin_requests);
1927                         bss->wps_pin_requests = os_strdup(pos);
1928                 } else if (os_strcmp(buf, "device_name") == 0) {
1929                         if (os_strlen(pos) > 32) {
1930                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
1931                                            "device_name", line);
1932                                 errors++;
1933                         }
1934                         os_free(bss->device_name);
1935                         bss->device_name = os_strdup(pos);
1936                 } else if (os_strcmp(buf, "manufacturer") == 0) {
1937                         if (os_strlen(pos) > 64) {
1938                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
1939                                            "manufacturer", line);
1940                                 errors++;
1941                         }
1942                         os_free(bss->manufacturer);
1943                         bss->manufacturer = os_strdup(pos);
1944                 } else if (os_strcmp(buf, "model_name") == 0) {
1945                         if (os_strlen(pos) > 32) {
1946                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
1947                                            "model_name", line);
1948                                 errors++;
1949                         }
1950                         os_free(bss->model_name);
1951                         bss->model_name = os_strdup(pos);
1952                 } else if (os_strcmp(buf, "model_number") == 0) {
1953                         if (os_strlen(pos) > 32) {
1954                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
1955                                            "model_number", line);
1956                                 errors++;
1957                         }
1958                         os_free(bss->model_number);
1959                         bss->model_number = os_strdup(pos);
1960                 } else if (os_strcmp(buf, "serial_number") == 0) {
1961                         if (os_strlen(pos) > 32) {
1962                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
1963                                            "serial_number", line);
1964                                 errors++;
1965                         }
1966                         os_free(bss->serial_number);
1967                         bss->serial_number = os_strdup(pos);
1968                 } else if (os_strcmp(buf, "device_type") == 0) {
1969                         if (wps_dev_type_str2bin(pos, bss->device_type))
1970                                 errors++;
1971                 } else if (os_strcmp(buf, "config_methods") == 0) {
1972                         os_free(bss->config_methods);
1973                         bss->config_methods = os_strdup(pos);
1974                 } else if (os_strcmp(buf, "os_version") == 0) {
1975                         if (hexstr2bin(pos, bss->os_version, 4)) {
1976                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1977                                            "os_version", line);
1978                                 errors++;
1979                         }
1980                 } else if (os_strcmp(buf, "ap_pin") == 0) {
1981                         os_free(bss->ap_pin);
1982                         bss->ap_pin = os_strdup(pos);
1983                 } else if (os_strcmp(buf, "skip_cred_build") == 0) {
1984                         bss->skip_cred_build = atoi(pos);
1985                 } else if (os_strcmp(buf, "extra_cred") == 0) {
1986                         os_free(bss->extra_cred);
1987                         bss->extra_cred =
1988                                 (u8 *) os_readfile(pos, &bss->extra_cred_len);
1989                         if (bss->extra_cred == NULL) {
1990                                 wpa_printf(MSG_ERROR, "Line %d: could not "
1991                                            "read Credentials from '%s'",
1992                                            line, pos);
1993                                 errors++;
1994                         }
1995                 } else if (os_strcmp(buf, "wps_cred_processing") == 0) {
1996                         bss->wps_cred_processing = atoi(pos);
1997                 } else if (os_strcmp(buf, "ap_settings") == 0) {
1998                         os_free(bss->ap_settings);
1999                         bss->ap_settings =
2000                                 (u8 *) os_readfile(pos, &bss->ap_settings_len);
2001                         if (bss->ap_settings == NULL) {
2002                                 wpa_printf(MSG_ERROR, "Line %d: could not "
2003                                            "read AP Settings from '%s'",
2004                                            line, pos);
2005                                 errors++;
2006                         }
2007                 } else if (os_strcmp(buf, "upnp_iface") == 0) {
2008                         bss->upnp_iface = os_strdup(pos);
2009                 } else if (os_strcmp(buf, "friendly_name") == 0) {
2010                         os_free(bss->friendly_name);
2011                         bss->friendly_name = os_strdup(pos);
2012                 } else if (os_strcmp(buf, "manufacturer_url") == 0) {
2013                         os_free(bss->manufacturer_url);
2014                         bss->manufacturer_url = os_strdup(pos);
2015                 } else if (os_strcmp(buf, "model_description") == 0) {
2016                         os_free(bss->model_description);
2017                         bss->model_description = os_strdup(pos);
2018                 } else if (os_strcmp(buf, "model_url") == 0) {
2019                         os_free(bss->model_url);
2020                         bss->model_url = os_strdup(pos);
2021                 } else if (os_strcmp(buf, "upc") == 0) {
2022                         os_free(bss->upc);
2023                         bss->upc = os_strdup(pos);
2024 #endif /* CONFIG_WPS */
2025 #ifdef CONFIG_P2P_MANAGER
2026                 } else if (os_strcmp(buf, "manage_p2p") == 0) {
2027                         int manage = atoi(pos);
2028                         if (manage)
2029                                 bss->p2p |= P2P_MANAGE;
2030                         else
2031                                 bss->p2p &= ~P2P_MANAGE;
2032                 } else if (os_strcmp(buf, "allow_cross_connection") == 0) {
2033                         if (atoi(pos))
2034                                 bss->p2p |= P2P_ALLOW_CROSS_CONNECTION;
2035                         else
2036                                 bss->p2p &= ~P2P_ALLOW_CROSS_CONNECTION;
2037 #endif /* CONFIG_P2P_MANAGER */
2038                 } else if (os_strcmp(buf, "disassoc_low_ack") == 0) {
2039                         bss->disassoc_low_ack = atoi(pos);
2040                 } else if (os_strcmp(buf, "tdls_prohibit") == 0) {
2041                         int val = atoi(pos);
2042                         if (val)
2043                                 bss->tdls |= TDLS_PROHIBIT;
2044                         else
2045                                 bss->tdls &= ~TDLS_PROHIBIT;
2046                 } else if (os_strcmp(buf, "tdls_prohibit_chan_switch") == 0) {
2047                         int val = atoi(pos);
2048                         if (val)
2049                                 bss->tdls |= TDLS_PROHIBIT_CHAN_SWITCH;
2050                         else
2051                                 bss->tdls &= ~TDLS_PROHIBIT_CHAN_SWITCH;
2052                 } else {
2053                         wpa_printf(MSG_ERROR, "Line %d: unknown configuration "
2054                                    "item '%s'", line, buf);
2055                         errors++;
2056                 }
2057         }
2058
2059         fclose(f);
2060
2061         for (i = 0; i < conf->num_bss; i++) {
2062                 bss = &conf->bss[i];
2063
2064                 if (bss->individual_wep_key_len == 0) {
2065                         /* individual keys are not use; can use key idx0 for
2066                          * broadcast keys */
2067                         bss->broadcast_key_idx_min = 0;
2068                 }
2069
2070                 /* Select group cipher based on the enabled pairwise cipher
2071                  * suites */
2072                 pairwise = 0;
2073                 if (bss->wpa & 1)
2074                         pairwise |= bss->wpa_pairwise;
2075                 if (bss->wpa & 2) {
2076                         if (bss->rsn_pairwise == 0)
2077                                 bss->rsn_pairwise = bss->wpa_pairwise;
2078                         pairwise |= bss->rsn_pairwise;
2079                 }
2080                 if (pairwise & WPA_CIPHER_TKIP)
2081                         bss->wpa_group = WPA_CIPHER_TKIP;
2082                 else
2083                         bss->wpa_group = WPA_CIPHER_CCMP;
2084
2085                 bss->radius->auth_server = bss->radius->auth_servers;
2086                 bss->radius->acct_server = bss->radius->acct_servers;
2087
2088                 if (bss->wpa && bss->ieee802_1x) {
2089                         bss->ssid.security_policy = SECURITY_WPA;
2090                 } else if (bss->wpa) {
2091                         bss->ssid.security_policy = SECURITY_WPA_PSK;
2092                 } else if (bss->ieee802_1x) {
2093                         bss->ssid.security_policy = SECURITY_IEEE_802_1X;
2094                         bss->ssid.wep.default_len = bss->default_wep_key_len;
2095                 } else if (bss->ssid.wep.keys_set)
2096                         bss->ssid.security_policy = SECURITY_STATIC_WEP;
2097                 else
2098                         bss->ssid.security_policy = SECURITY_PLAINTEXT;
2099         }
2100
2101         if (hostapd_config_check(conf))
2102                 errors++;
2103
2104 #ifndef WPA_IGNORE_CONFIG_ERRORS
2105         if (errors) {
2106                 wpa_printf(MSG_ERROR, "%d errors found in configuration file "
2107                            "'%s'", errors, fname);
2108                 hostapd_config_free(conf);
2109                 conf = NULL;
2110         }
2111 #endif /* WPA_IGNORE_CONFIG_ERRORS */
2112
2113         return conf;
2114 }