contrib/wpa/hostapd/config_file.c

   1 /*
   2  * hostapd / Configuration file parser
   3  * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "utils/includes.h"
  10 #ifndef CONFIG_NATIVE_WINDOWS
  11 #include <grp.h>
  12 #endif /* CONFIG_NATIVE_WINDOWS */
  13
  14 #include "utils/common.h"
  15 #include "utils/uuid.h"
  16 #include "common/ieee802_11_defs.h"
  17 #include "drivers/driver.h"
  18 #include "eap_server/eap.h"
  19 #include "radius/radius_client.h"
  20 #include "ap/wpa_auth.h"
  21 #include "ap/ap_config.h"
  22 #include "config_file.h"
  23
  24
  25 extern struct wpa_driver_ops *wpa_drivers[];
  26
  27
  28 #ifndef CONFIG_NO_VLAN
  29 static int hostapd_config_read_vlan_file(struct hostapd_bss_config *bss,
  30                                          const char *fname)
  31 {
  32         FILE *f;
  33         char buf[128], *pos, *pos2;
  34         int line = 0, vlan_id;
  35         struct hostapd_vlan *vlan;
  36
  37         f = fopen(fname, "r");
  38         if (!f) {
  39                 wpa_printf(MSG_ERROR, "VLAN file '%s' not readable.", fname);
  40                 return -1;
  41         }
  42
  43         while (fgets(buf, sizeof(buf), f)) {
  44                 line++;
  45
  46                 if (buf[0] == '#')
  47                         continue;
  48                 pos = buf;
  49                 while (*pos != '\0') {
  50                         if (*pos == '\n') {
  51                                 *pos = '\0';
  52                                 break;
  53                         }
  54                         pos++;
  55                 }
  56                 if (buf[0] == '\0')
  57                         continue;
  58
  59                 if (buf[0] == '*') {
  60                         vlan_id = VLAN_ID_WILDCARD;
  61                         pos = buf + 1;
  62                 } else {
  63                         vlan_id = strtol(buf, &pos, 10);
  64                         if (buf == pos || vlan_id < 1 ||
  65                             vlan_id > MAX_VLAN_ID) {
  66                                 wpa_printf(MSG_ERROR, "Invalid VLAN ID at "
  67                                            "line %d in '%s'", line, fname);
  68                                 fclose(f);
  69                                 return -1;
  70                         }
  71                 }
  72
  73                 while (*pos == ' ' || *pos == '\t')
  74                         pos++;
  75                 pos2 = pos;
  76                 while (*pos2 != ' ' && *pos2 != '\t' && *pos2 != '\0')
  77                         pos2++;
  78                 *pos2 = '\0';
  79                 if (*pos == '\0' || os_strlen(pos) > IFNAMSIZ) {
  80                         wpa_printf(MSG_ERROR, "Invalid VLAN ifname at line %d "
  81                                    "in '%s'", line, fname);
  82                         fclose(f);
  83                         return -1;
  84                 }
  85
  86                 vlan = os_malloc(sizeof(*vlan));
  87                 if (vlan == NULL) {
  88                         wpa_printf(MSG_ERROR, "Out of memory while reading "
  89                                    "VLAN interfaces from '%s'", fname);
  90                         fclose(f);
  91                         return -1;
  92                 }
  93
  94                 os_memset(vlan, 0, sizeof(*vlan));
  95                 vlan->vlan_id = vlan_id;
  96                 os_strlcpy(vlan->ifname, pos, sizeof(vlan->ifname));
  97                 if (bss->vlan_tail)
  98                         bss->vlan_tail->next = vlan;
  99                 else
 100                         bss->vlan = vlan;
 101                 bss->vlan_tail = vlan;
 102         }
 103
 104         fclose(f);
 105
 106         return 0;
 107 }
 108 #endif /* CONFIG_NO_VLAN */
 109
 110
 111 static int hostapd_acl_comp(const void *a, const void *b)
 112 {
 113         const struct mac_acl_entry *aa = a;
 114         const struct mac_acl_entry *bb = b;
 115         return os_memcmp(aa->addr, bb->addr, sizeof(macaddr));
 116 }
 117
 118
 119 static int hostapd_config_read_maclist(const char *fname,
 120                                        struct mac_acl_entry **acl, int *num)
 121 {
 122         FILE *f;
 123         char buf[128], *pos;
 124         int line = 0;
 125         u8 addr[ETH_ALEN];
 126         struct mac_acl_entry *newacl;
 127         int vlan_id;
 128
 129         if (!fname)
 130                 return 0;
 131
 132         f = fopen(fname, "r");
 133         if (!f) {
 134                 wpa_printf(MSG_ERROR, "MAC list file '%s' not found.", fname);
 135                 return -1;
 136         }
 137
 138         while (fgets(buf, sizeof(buf), f)) {
 139                 line++;
 140
 141                 if (buf[0] == '#')
 142                         continue;
 143                 pos = buf;
 144                 while (*pos != '\0') {
 145                         if (*pos == '\n') {
 146                                 *pos = '\0';
 147                                 break;
 148                         }
 149                         pos++;
 150                 }
 151                 if (buf[0] == '\0')
 152                         continue;
 153
 154                 if (hwaddr_aton(buf, addr)) {
 155                         wpa_printf(MSG_ERROR, "Invalid MAC address '%s' at "
 156                                    "line %d in '%s'", buf, line, fname);
 157                         fclose(f);
 158                         return -1;
 159                 }
 160
 161                 vlan_id = 0;
 162                 pos = buf;
 163                 while (*pos != '\0' && *pos != ' ' && *pos != '\t')
 164                         pos++;
 165                 while (*pos == ' ' || *pos == '\t')
 166                         pos++;
 167                 if (*pos != '\0')
 168                         vlan_id = atoi(pos);
 169
 170                 newacl = os_realloc_array(*acl, *num + 1, sizeof(**acl));
 171                 if (newacl == NULL) {
 172                         wpa_printf(MSG_ERROR, "MAC list reallocation failed");
 173                         fclose(f);
 174                         return -1;
 175                 }
 176
 177                 *acl = newacl;
 178                 os_memcpy((*acl)[*num].addr, addr, ETH_ALEN);
 179                 (*acl)[*num].vlan_id = vlan_id;
 180                 (*num)++;
 181         }
 182
 183         fclose(f);
 184
 185         qsort(*acl, *num, sizeof(**acl), hostapd_acl_comp);
 186
 187         return 0;
 188 }
 189
 190
 191 #ifdef EAP_SERVER
 192 static int hostapd_config_read_eap_user(const char *fname,
 193                                         struct hostapd_bss_config *conf)
 194 {
 195         FILE *f;
 196         char buf[512], *pos, *start, *pos2;
 197         int line = 0, ret = 0, num_methods;
 198         struct hostapd_eap_user *user, *tail = NULL;
 199
 200         if (!fname)
 201                 return 0;
 202
 203         if (os_strncmp(fname, "sqlite:", 7) == 0) {
 204                 os_free(conf->eap_user_sqlite);
 205                 conf->eap_user_sqlite = os_strdup(fname + 7);
 206                 return 0;
 207         }
 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_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_array(*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
 501
 502 static struct hostapd_radius_attr *
 503 hostapd_parse_radius_attr(const char *value)
 504 {
 505         const char *pos;
 506         char syntax;
 507         struct hostapd_radius_attr *attr;
 508         size_t len;
 509
 510         attr = os_zalloc(sizeof(*attr));
 511         if (attr == NULL)
 512                 return NULL;
 513
 514         attr->type = atoi(value);
 515
 516         pos = os_strchr(value, ':');
 517         if (pos == NULL) {
 518                 attr->val = wpabuf_alloc(1);
 519                 if (attr->val == NULL) {
 520                         os_free(attr);
 521                         return NULL;
 522                 }
 523                 wpabuf_put_u8(attr->val, 0);
 524                 return attr;
 525         }
 526
 527         pos++;
 528         if (pos[0] == '\0' || pos[1] != ':') {
 529                 os_free(attr);
 530                 return NULL;
 531         }
 532         syntax = *pos++;
 533         pos++;
 534
 535         switch (syntax) {
 536         case 's':
 537                 attr->val = wpabuf_alloc_copy(pos, os_strlen(pos));
 538                 break;
 539         case 'x':
 540                 len = os_strlen(pos);
 541                 if (len & 1)
 542                         break;
 543                 len /= 2;
 544                 attr->val = wpabuf_alloc(len);
 545                 if (attr->val == NULL)
 546                         break;
 547                 if (hexstr2bin(pos, wpabuf_put(attr->val, len), len) < 0) {
 548                         wpabuf_free(attr->val);
 549                         os_free(attr);
 550                         return NULL;
 551                 }
 552                 break;
 553         case 'd':
 554                 attr->val = wpabuf_alloc(4);
 555                 if (attr->val)
 556                         wpabuf_put_be32(attr->val, atoi(pos));
 557                 break;
 558         default:
 559                 os_free(attr);
 560                 return NULL;
 561         }
 562
 563         if (attr->val == NULL) {
 564                 os_free(attr);
 565                 return NULL;
 566         }
 567
 568         return attr;
 569 }
 570
 571
 572 static int hostapd_parse_das_client(struct hostapd_bss_config *bss,
 573                                     const char *val)
 574 {
 575         char *secret;
 576
 577         secret = os_strchr(val, ' ');
 578         if (secret == NULL)
 579                 return -1;
 580
 581         secret++;
 582
 583         if (hostapd_parse_ip_addr(val, &bss->radius_das_client_addr))
 584                 return -1;
 585
 586         os_free(bss->radius_das_shared_secret);
 587         bss->radius_das_shared_secret = (u8 *) os_strdup(secret);
 588         if (bss->radius_das_shared_secret == NULL)
 589                 return -1;
 590         bss->radius_das_shared_secret_len = os_strlen(secret);
 591
 592         return 0;
 593 }
 594 #endif /* CONFIG_NO_RADIUS */
 595
 596
 597 static int hostapd_config_parse_key_mgmt(int line, const char *value)
 598 {
 599         int val = 0, last;
 600         char *start, *end, *buf;
 601
 602         buf = os_strdup(value);
 603         if (buf == NULL)
 604                 return -1;
 605         start = buf;
 606
 607         while (*start != '\0') {
 608                 while (*start == ' ' || *start == '\t')
 609                         start++;
 610                 if (*start == '\0')
 611                         break;
 612                 end = start;
 613                 while (*end != ' ' && *end != '\t' && *end != '\0')
 614                         end++;
 615                 last = *end == '\0';
 616                 *end = '\0';
 617                 if (os_strcmp(start, "WPA-PSK") == 0)
 618                         val |= WPA_KEY_MGMT_PSK;
 619                 else if (os_strcmp(start, "WPA-EAP") == 0)
 620                         val |= WPA_KEY_MGMT_IEEE8021X;
 621 #ifdef CONFIG_IEEE80211R
 622                 else if (os_strcmp(start, "FT-PSK") == 0)
 623                         val |= WPA_KEY_MGMT_FT_PSK;
 624                 else if (os_strcmp(start, "FT-EAP") == 0)
 625                         val |= WPA_KEY_MGMT_FT_IEEE8021X;
 626 #endif /* CONFIG_IEEE80211R */
 627 #ifdef CONFIG_IEEE80211W
 628                 else if (os_strcmp(start, "WPA-PSK-SHA256") == 0)
 629                         val |= WPA_KEY_MGMT_PSK_SHA256;
 630                 else if (os_strcmp(start, "WPA-EAP-SHA256") == 0)
 631                         val |= WPA_KEY_MGMT_IEEE8021X_SHA256;
 632 #endif /* CONFIG_IEEE80211W */
 633 #ifdef CONFIG_SAE
 634                 else if (os_strcmp(start, "SAE") == 0)
 635                         val |= WPA_KEY_MGMT_SAE;
 636                 else if (os_strcmp(start, "FT-SAE") == 0)
 637                         val |= WPA_KEY_MGMT_FT_SAE;
 638 #endif /* CONFIG_SAE */
 639                 else {
 640                         wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'",
 641                                    line, start);
 642                         os_free(buf);
 643                         return -1;
 644                 }
 645
 646                 if (last)
 647                         break;
 648                 start = end + 1;
 649         }
 650
 651         os_free(buf);
 652         if (val == 0) {
 653                 wpa_printf(MSG_ERROR, "Line %d: no key_mgmt values "
 654                            "configured.", line);
 655                 return -1;
 656         }
 657
 658         return val;
 659 }
 660
 661
 662 static int hostapd_config_parse_cipher(int line, const char *value)
 663 {
 664         int val = 0, last;
 665         char *start, *end, *buf;
 666
 667         buf = os_strdup(value);
 668         if (buf == NULL)
 669                 return -1;
 670         start = buf;
 671
 672         while (*start != '\0') {
 673                 while (*start == ' ' || *start == '\t')
 674                         start++;
 675                 if (*start == '\0')
 676                         break;
 677                 end = start;
 678                 while (*end != ' ' && *end != '\t' && *end != '\0')
 679                         end++;
 680                 last = *end == '\0';
 681                 *end = '\0';
 682                 if (os_strcmp(start, "CCMP") == 0)
 683                         val |= WPA_CIPHER_CCMP;
 684                 else if (os_strcmp(start, "GCMP") == 0)
 685                         val |= WPA_CIPHER_GCMP;
 686                 else if (os_strcmp(start, "TKIP") == 0)
 687                         val |= WPA_CIPHER_TKIP;
 688                 else if (os_strcmp(start, "WEP104") == 0)
 689                         val |= WPA_CIPHER_WEP104;
 690                 else if (os_strcmp(start, "WEP40") == 0)
 691                         val |= WPA_CIPHER_WEP40;
 692                 else if (os_strcmp(start, "NONE") == 0)
 693                         val |= WPA_CIPHER_NONE;
 694                 else {
 695                         wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.",
 696                                    line, start);
 697                         os_free(buf);
 698                         return -1;
 699                 }
 700
 701                 if (last)
 702                         break;
 703                 start = end + 1;
 704         }
 705         os_free(buf);
 706
 707         if (val == 0) {
 708                 wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.",
 709                            line);
 710                 return -1;
 711         }
 712         return val;
 713 }
 714
 715
 716 static int hostapd_config_read_wep(struct hostapd_wep_keys *wep, int keyidx,
 717                                    char *val)
 718 {
 719         size_t len = os_strlen(val);
 720
 721         if (keyidx < 0 || keyidx > 3 || wep->key[keyidx] != NULL)
 722                 return -1;
 723
 724         if (val[0] == '"') {
 725                 if (len < 2 || val[len - 1] != '"')
 726                         return -1;
 727                 len -= 2;
 728                 wep->key[keyidx] = os_malloc(len);
 729                 if (wep->key[keyidx] == NULL)
 730                         return -1;
 731                 os_memcpy(wep->key[keyidx], val + 1, len);
 732                 wep->len[keyidx] = len;
 733         } else {
 734                 if (len & 1)
 735                         return -1;
 736                 len /= 2;
 737                 wep->key[keyidx] = os_malloc(len);
 738                 if (wep->key[keyidx] == NULL)
 739                         return -1;
 740                 wep->len[keyidx] = len;
 741                 if (hexstr2bin(val, wep->key[keyidx], len) < 0)
 742                         return -1;
 743         }
 744
 745         wep->keys_set++;
 746
 747         return 0;
 748 }
 749
 750
 751 static int hostapd_parse_rates(int **rate_list, char *val)
 752 {
 753         int *list;
 754         int count;
 755         char *pos, *end;
 756
 757         os_free(*rate_list);
 758         *rate_list = NULL;
 759
 760         pos = val;
 761         count = 0;
 762         while (*pos != '\0') {
 763                 if (*pos == ' ')
 764                         count++;
 765                 pos++;
 766         }
 767
 768         list = os_malloc(sizeof(int) * (count + 2));
 769         if (list == NULL)
 770                 return -1;
 771         pos = val;
 772         count = 0;
 773         while (*pos != '\0') {
 774                 end = os_strchr(pos, ' ');
 775                 if (end)
 776                         *end = '\0';
 777
 778                 list[count++] = atoi(pos);
 779                 if (!end)
 780                         break;
 781                 pos = end + 1;
 782         }
 783         list[count] = -1;
 784
 785         *rate_list = list;
 786         return 0;
 787 }
 788
 789
 790 static int hostapd_config_bss(struct hostapd_config *conf, const char *ifname)
 791 {
 792         struct hostapd_bss_config *bss;
 793
 794         if (*ifname == '\0')
 795                 return -1;
 796
 797         bss = os_realloc_array(conf->bss, conf->num_bss + 1,
 798                                sizeof(struct hostapd_bss_config));
 799         if (bss == NULL) {
 800                 wpa_printf(MSG_ERROR, "Failed to allocate memory for "
 801                            "multi-BSS entry");
 802                 return -1;
 803         }
 804         conf->bss = bss;
 805
 806         bss = &(conf->bss[conf->num_bss]);
 807         os_memset(bss, 0, sizeof(*bss));
 808         bss->radius = os_zalloc(sizeof(*bss->radius));
 809         if (bss->radius == NULL) {
 810                 wpa_printf(MSG_ERROR, "Failed to allocate memory for "
 811                            "multi-BSS RADIUS data");
 812                 return -1;
 813         }
 814
 815         conf->num_bss++;
 816         conf->last_bss = bss;
 817
 818         hostapd_config_defaults_bss(bss);
 819         os_strlcpy(bss->iface, ifname, sizeof(bss->iface));
 820         os_memcpy(bss->ssid.vlan, bss->iface, IFNAMSIZ + 1);
 821
 822         return 0;
 823 }
 824
 825
 826 /* convert floats with one decimal place to value*10 int, i.e.,
 827  * "1.5" will return 15 */
 828 static int hostapd_config_read_int10(const char *value)
 829 {
 830         int i, d;
 831         char *pos;
 832
 833         i = atoi(value);
 834         pos = os_strchr(value, '.');
 835         d = 0;
 836         if (pos) {
 837                 pos++;
 838                 if (*pos >= '0' && *pos <= '9')
 839                         d = *pos - '0';
 840         }
 841
 842         return i * 10 + d;
 843 }
 844
 845
 846 static int valid_cw(int cw)
 847 {
 848         return (cw == 1 || cw == 3 || cw == 7 || cw == 15 || cw == 31 ||
 849                 cw == 63 || cw == 127 || cw == 255 || cw == 511 || cw == 1023);
 850 }
 851
 852
 853 enum {
 854         IEEE80211_TX_QUEUE_DATA0 = 0, /* used for EDCA AC_VO data */
 855         IEEE80211_TX_QUEUE_DATA1 = 1, /* used for EDCA AC_VI data */
 856         IEEE80211_TX_QUEUE_DATA2 = 2, /* used for EDCA AC_BE data */
 857         IEEE80211_TX_QUEUE_DATA3 = 3 /* used for EDCA AC_BK data */
 858 };
 859
 860 static int hostapd_config_tx_queue(struct hostapd_config *conf, char *name,
 861                                    char *val)
 862 {
 863         int num;
 864         char *pos;
 865         struct hostapd_tx_queue_params *queue;
 866
 867         /* skip 'tx_queue_' prefix */
 868         pos = name + 9;
 869         if (os_strncmp(pos, "data", 4) == 0 &&
 870             pos[4] >= '0' && pos[4] <= '9' && pos[5] == '_') {
 871                 num = pos[4] - '0';
 872                 pos += 6;
 873         } else if (os_strncmp(pos, "after_beacon_", 13) == 0 ||
 874                    os_strncmp(pos, "beacon_", 7) == 0) {
 875                 wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
 876                 return 0;
 877         } else {
 878                 wpa_printf(MSG_ERROR, "Unknown tx_queue name '%s'", pos);
 879                 return -1;
 880         }
 881
 882         if (num >= NUM_TX_QUEUES) {
 883                 /* for backwards compatibility, do not trigger failure */
 884                 wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
 885                 return 0;
 886         }
 887
 888         queue = &conf->tx_queue[num];
 889
 890         if (os_strcmp(pos, "aifs") == 0) {
 891                 queue->aifs = atoi(val);
 892                 if (queue->aifs < 0 || queue->aifs > 255) {
 893                         wpa_printf(MSG_ERROR, "Invalid AIFS value %d",
 894                                    queue->aifs);
 895                         return -1;
 896                 }
 897         } else if (os_strcmp(pos, "cwmin") == 0) {
 898                 queue->cwmin = atoi(val);
 899                 if (!valid_cw(queue->cwmin)) {
 900                         wpa_printf(MSG_ERROR, "Invalid cwMin value %d",
 901                                    queue->cwmin);
 902                         return -1;
 903                 }
 904         } else if (os_strcmp(pos, "cwmax") == 0) {
 905                 queue->cwmax = atoi(val);
 906                 if (!valid_cw(queue->cwmax)) {
 907                         wpa_printf(MSG_ERROR, "Invalid cwMax value %d",
 908                                    queue->cwmax);
 909                         return -1;
 910                 }
 911         } else if (os_strcmp(pos, "burst") == 0) {
 912                 queue->burst = hostapd_config_read_int10(val);
 913         } else {
 914                 wpa_printf(MSG_ERROR, "Unknown tx_queue field '%s'", pos);
 915                 return -1;
 916         }
 917
 918         return 0;
 919 }
 920
 921
 922 #ifdef CONFIG_IEEE80211R
 923 static int add_r0kh(struct hostapd_bss_config *bss, char *value)
 924 {
 925         struct ft_remote_r0kh *r0kh;
 926         char *pos, *next;
 927
 928         r0kh = os_zalloc(sizeof(*r0kh));
 929         if (r0kh == NULL)
 930                 return -1;
 931
 932         /* 02:01:02:03:04:05 a.example.com 000102030405060708090a0b0c0d0e0f */
 933         pos = value;
 934         next = os_strchr(pos, ' ');
 935         if (next)
 936                 *next++ = '\0';
 937         if (next == NULL || hwaddr_aton(pos, r0kh->addr)) {
 938                 wpa_printf(MSG_ERROR, "Invalid R0KH MAC address: '%s'", pos);
 939                 os_free(r0kh);
 940                 return -1;
 941         }
 942
 943         pos = next;
 944         next = os_strchr(pos, ' ');
 945         if (next)
 946                 *next++ = '\0';
 947         if (next == NULL || next - pos > FT_R0KH_ID_MAX_LEN) {
 948                 wpa_printf(MSG_ERROR, "Invalid R0KH-ID: '%s'", pos);
 949                 os_free(r0kh);
 950                 return -1;
 951         }
 952         r0kh->id_len = next - pos - 1;
 953         os_memcpy(r0kh->id, pos, r0kh->id_len);
 954
 955         pos = next;
 956         if (hexstr2bin(pos, r0kh->key, sizeof(r0kh->key))) {
 957                 wpa_printf(MSG_ERROR, "Invalid R0KH key: '%s'", pos);
 958                 os_free(r0kh);
 959                 return -1;
 960         }
 961
 962         r0kh->next = bss->r0kh_list;
 963         bss->r0kh_list = r0kh;
 964
 965         return 0;
 966 }
 967
 968
 969 static int add_r1kh(struct hostapd_bss_config *bss, char *value)
 970 {
 971         struct ft_remote_r1kh *r1kh;
 972         char *pos, *next;
 973
 974         r1kh = os_zalloc(sizeof(*r1kh));
 975         if (r1kh == NULL)
 976                 return -1;
 977
 978         /* 02:01:02:03:04:05 02:01:02:03:04:05
 979          * 000102030405060708090a0b0c0d0e0f */
 980         pos = value;
 981         next = os_strchr(pos, ' ');
 982         if (next)
 983                 *next++ = '\0';
 984         if (next == NULL || hwaddr_aton(pos, r1kh->addr)) {
 985                 wpa_printf(MSG_ERROR, "Invalid R1KH MAC address: '%s'", pos);
 986                 os_free(r1kh);
 987                 return -1;
 988         }
 989
 990         pos = next;
 991         next = os_strchr(pos, ' ');
 992         if (next)
 993                 *next++ = '\0';
 994         if (next == NULL || hwaddr_aton(pos, r1kh->id)) {
 995                 wpa_printf(MSG_ERROR, "Invalid R1KH-ID: '%s'", pos);
 996                 os_free(r1kh);
 997                 return -1;
 998         }
 999
1000         pos = next;
1001         if (hexstr2bin(pos, r1kh->key, sizeof(r1kh->key))) {
1002                 wpa_printf(MSG_ERROR, "Invalid R1KH key: '%s'", pos);
1003                 os_free(r1kh);
1004                 return -1;
1005         }
1006
1007         r1kh->next = bss->r1kh_list;
1008         bss->r1kh_list = r1kh;
1009
1010         return 0;
1011 }
1012 #endif /* CONFIG_IEEE80211R */
1013
1014
1015 #ifdef CONFIG_IEEE80211N
1016 static int hostapd_config_ht_capab(struct hostapd_config *conf,
1017                                    const char *capab)
1018 {
1019         if (os_strstr(capab, "[LDPC]"))
1020                 conf->ht_capab |= HT_CAP_INFO_LDPC_CODING_CAP;
1021         if (os_strstr(capab, "[HT40-]")) {
1022                 conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
1023                 conf->secondary_channel = -1;
1024         }
1025         if (os_strstr(capab, "[HT40+]")) {
1026                 conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
1027                 conf->secondary_channel = 1;
1028         }
1029         if (os_strstr(capab, "[SMPS-STATIC]")) {
1030                 conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
1031                 conf->ht_capab |= HT_CAP_INFO_SMPS_STATIC;
1032         }
1033         if (os_strstr(capab, "[SMPS-DYNAMIC]")) {
1034                 conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
1035                 conf->ht_capab |= HT_CAP_INFO_SMPS_DYNAMIC;
1036         }
1037         if (os_strstr(capab, "[GF]"))
1038                 conf->ht_capab |= HT_CAP_INFO_GREEN_FIELD;
1039         if (os_strstr(capab, "[SHORT-GI-20]"))
1040                 conf->ht_capab |= HT_CAP_INFO_SHORT_GI20MHZ;
1041         if (os_strstr(capab, "[SHORT-GI-40]"))
1042                 conf->ht_capab |= HT_CAP_INFO_SHORT_GI40MHZ;
1043         if (os_strstr(capab, "[TX-STBC]"))
1044                 conf->ht_capab |= HT_CAP_INFO_TX_STBC;
1045         if (os_strstr(capab, "[RX-STBC1]")) {
1046                 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1047                 conf->ht_capab |= HT_CAP_INFO_RX_STBC_1;
1048         }
1049         if (os_strstr(capab, "[RX-STBC12]")) {
1050                 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1051                 conf->ht_capab |= HT_CAP_INFO_RX_STBC_12;
1052         }
1053         if (os_strstr(capab, "[RX-STBC123]")) {
1054                 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1055                 conf->ht_capab |= HT_CAP_INFO_RX_STBC_123;
1056         }
1057         if (os_strstr(capab, "[DELAYED-BA]"))
1058                 conf->ht_capab |= HT_CAP_INFO_DELAYED_BA;
1059         if (os_strstr(capab, "[MAX-AMSDU-7935]"))
1060                 conf->ht_capab |= HT_CAP_INFO_MAX_AMSDU_SIZE;
1061         if (os_strstr(capab, "[DSSS_CCK-40]"))
1062                 conf->ht_capab |= HT_CAP_INFO_DSSS_CCK40MHZ;
1063         if (os_strstr(capab, "[PSMP]"))
1064                 conf->ht_capab |= HT_CAP_INFO_PSMP_SUPP;
1065         if (os_strstr(capab, "[LSIG-TXOP-PROT]"))
1066                 conf->ht_capab |= HT_CAP_INFO_LSIG_TXOP_PROTECT_SUPPORT;
1067
1068         return 0;
1069 }
1070 #endif /* CONFIG_IEEE80211N */
1071
1072
1073 #ifdef CONFIG_IEEE80211AC
1074 static int hostapd_config_vht_capab(struct hostapd_config *conf,
1075                                     const char *capab)
1076 {
1077         if (os_strstr(capab, "[MAX-MPDU-7991]"))
1078                 conf->vht_capab |= VHT_CAP_MAX_MPDU_LENGTH_7991;
1079         if (os_strstr(capab, "[MAX-MPDU-11454]"))
1080                 conf->vht_capab |= VHT_CAP_MAX_MPDU_LENGTH_11454;
1081         if (os_strstr(capab, "[VHT160]"))
1082                 conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
1083         if (os_strstr(capab, "[VHT160-80PLUS80]"))
1084                 conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
1085         if (os_strstr(capab, "[VHT160-80PLUS80]"))
1086                 conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
1087         if (os_strstr(capab, "[RXLDPC]"))
1088                 conf->vht_capab |= VHT_CAP_RXLDPC;
1089         if (os_strstr(capab, "[SHORT-GI-80]"))
1090                 conf->vht_capab |= VHT_CAP_SHORT_GI_80;
1091         if (os_strstr(capab, "[SHORT-GI-160]"))
1092                 conf->vht_capab |= VHT_CAP_SHORT_GI_160;
1093         if (os_strstr(capab, "[TX-STBC-2BY1]"))
1094                 conf->vht_capab |= VHT_CAP_TXSTBC;
1095         if (os_strstr(capab, "[RX-STBC-1]"))
1096                 conf->vht_capab |= VHT_CAP_RXSTBC_1;
1097         if (os_strstr(capab, "[RX-STBC-12]"))
1098                 conf->vht_capab |= VHT_CAP_RXSTBC_2;
1099         if (os_strstr(capab, "[RX-STBC-123]"))
1100                 conf->vht_capab |= VHT_CAP_RXSTBC_3;
1101         if (os_strstr(capab, "[RX-STBC-1234]"))
1102                 conf->vht_capab |= VHT_CAP_RXSTBC_4;
1103         if (os_strstr(capab, "[SU-BEAMFORMER]"))
1104                 conf->vht_capab |= VHT_CAP_MU_BEAMFORMER_CAPABLE;
1105         if (os_strstr(capab, "[SU-BEAMFORMEE]"))
1106                 conf->vht_capab |= VHT_CAP_MU_BEAMFORMEE_CAPABLE;
1107         if (os_strstr(capab, "[BF-ANTENNA-2]") &&
1108             (conf->vht_capab & VHT_CAP_MU_BEAMFORMER_CAPABLE))
1109                 conf->vht_capab |= VHT_CAP_BEAMFORMER_ANTENNAS_MAX;
1110         if (os_strstr(capab, "[SOUNDING-DIMENSION-2]") &&
1111             (conf->vht_capab & VHT_CAP_MU_BEAMFORMER_CAPABLE))
1112                 conf->vht_capab |= VHT_CAP_SOUNDING_DIMENTION_MAX;
1113         if (os_strstr(capab, "[MU-BEAMFORMER]"))
1114                 conf->vht_capab |= VHT_CAP_MU_BEAMFORMER_CAPABLE;
1115         if (os_strstr(capab, "[MU-BEAMFORMEE]"))
1116                 conf->vht_capab |= VHT_CAP_MU_BEAMFORMEE_CAPABLE;
1117         if (os_strstr(capab, "[VHT-TXOP-PS]"))
1118                 conf->vht_capab |= VHT_CAP_VHT_TXOP_PS;
1119         if (os_strstr(capab, "[HTC-VHT]"))
1120                 conf->vht_capab |= VHT_CAP_HTC_VHT;
1121         if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP0]"))
1122                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT;
1123         if (os_strstr(capab, "[VHT-LINK-ADAPT2]") &&
1124             (conf->vht_capab & VHT_CAP_HTC_VHT))
1125                 conf->vht_capab |= VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB;
1126         if (os_strstr(capab, "[VHT-LINK-ADAPT3]") &&
1127             (conf->vht_capab & VHT_CAP_HTC_VHT))
1128                 conf->vht_capab |= VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB;
1129         if (os_strstr(capab, "[RX-ANTENNA-PATTERN]"))
1130                 conf->vht_capab |= VHT_CAP_RX_ANTENNA_PATTERN;
1131         if (os_strstr(capab, "[TX-ANTENNA-PATTERN]"))
1132                 conf->vht_capab |= VHT_CAP_TX_ANTENNA_PATTERN;
1133         return 0;
1134 }
1135 #endif /* CONFIG_IEEE80211AC */
1136
1137
1138 static int hostapd_config_check_bss(struct hostapd_bss_config *bss,
1139                                     struct hostapd_config *conf)
1140 {
1141         if (bss->ieee802_1x && !bss->eap_server &&
1142             !bss->radius->auth_servers) {
1143                 wpa_printf(MSG_ERROR, "Invalid IEEE 802.1X configuration (no "
1144                            "EAP authenticator configured).");
1145                 return -1;
1146         }
1147
1148         if (bss->wpa && bss->wpa_psk_radius != PSK_RADIUS_IGNORED &&
1149             bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
1150                 wpa_printf(MSG_ERROR, "WPA-PSK using RADIUS enabled, but no "
1151                            "RADIUS checking (macaddr_acl=2) enabled.");
1152                 return -1;
1153         }
1154
1155         if (bss->wpa && (bss->wpa_key_mgmt & WPA_KEY_MGMT_PSK) &&
1156             bss->ssid.wpa_psk == NULL && bss->ssid.wpa_passphrase == NULL &&
1157             bss->ssid.wpa_psk_file == NULL &&
1158             (bss->wpa_psk_radius != PSK_RADIUS_REQUIRED ||
1159              bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH)) {
1160                 wpa_printf(MSG_ERROR, "WPA-PSK enabled, but PSK or passphrase "
1161                            "is not configured.");
1162                 return -1;
1163         }
1164
1165         if (hostapd_mac_comp_empty(bss->bssid) != 0) {
1166                 size_t i;
1167
1168                 for (i = 0; i < conf->num_bss; i++) {
1169                         if ((&conf->bss[i] != bss) &&
1170                             (hostapd_mac_comp(conf->bss[i].bssid,
1171                                               bss->bssid) == 0)) {
1172                                 wpa_printf(MSG_ERROR, "Duplicate BSSID " MACSTR
1173                                            " on interface '%s' and '%s'.",
1174                                            MAC2STR(bss->bssid),
1175                                            conf->bss[i].iface, bss->iface);
1176                                 return -1;
1177                         }
1178                 }
1179         }
1180
1181 #ifdef CONFIG_IEEE80211R
1182         if (wpa_key_mgmt_ft(bss->wpa_key_mgmt) &&
1183             (bss->nas_identifier == NULL ||
1184              os_strlen(bss->nas_identifier) < 1 ||
1185              os_strlen(bss->nas_identifier) > FT_R0KH_ID_MAX_LEN)) {
1186                 wpa_printf(MSG_ERROR, "FT (IEEE 802.11r) requires "
1187                            "nas_identifier to be configured as a 1..48 octet "
1188                            "string");
1189                 return -1;
1190         }
1191 #endif /* CONFIG_IEEE80211R */
1192
1193 #ifdef CONFIG_IEEE80211N
1194         if (conf->ieee80211n && conf->hw_mode == HOSTAPD_MODE_IEEE80211B) {
1195                 bss->disable_11n = 1;
1196                 wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) in 11b mode is not "
1197                            "allowed, disabling HT capabilites");
1198         }
1199
1200         if (conf->ieee80211n &&
1201             bss->ssid.security_policy == SECURITY_STATIC_WEP) {
1202                 bss->disable_11n = 1;
1203                 wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WEP is not "
1204                            "allowed, disabling HT capabilities");
1205         }
1206
1207         if (conf->ieee80211n && bss->wpa &&
1208             !(bss->wpa_pairwise & WPA_CIPHER_CCMP) &&
1209             !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP))) {
1210                 bss->disable_11n = 1;
1211                 wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WPA/WPA2 "
1212                            "requires CCMP/GCMP to be enabled, disabling HT "
1213                            "capabilities");
1214         }
1215 #endif /* CONFIG_IEEE80211N */
1216
1217 #ifdef CONFIG_WPS2
1218         if (bss->wps_state && bss->ignore_broadcast_ssid) {
1219                 wpa_printf(MSG_INFO, "WPS: ignore_broadcast_ssid "
1220                            "configuration forced WPS to be disabled");
1221                 bss->wps_state = 0;
1222         }
1223
1224         if (bss->wps_state && bss->ssid.wep.keys_set && bss->wpa == 0) {
1225                 wpa_printf(MSG_INFO, "WPS: WEP configuration forced WPS to be "
1226                            "disabled");
1227                 bss->wps_state = 0;
1228         }
1229
1230         if (bss->wps_state && bss->wpa &&
1231             (!(bss->wpa & 2) ||
1232              !(bss->rsn_pairwise & WPA_CIPHER_CCMP))) {
1233                 wpa_printf(MSG_INFO, "WPS: WPA/TKIP configuration without "
1234                            "WPA2/CCMP forced WPS to be disabled");
1235                 bss->wps_state = 0;
1236         }
1237 #endif /* CONFIG_WPS2 */
1238
1239 #ifdef CONFIG_HS20
1240         if (bss->hs20 &&
1241             (!(bss->wpa & 2) ||
1242              !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP)))) {
1243                 wpa_printf(MSG_ERROR, "HS 2.0: WPA2-Enterprise/CCMP "
1244                            "configuration is required for Hotspot 2.0 "
1245                            "functionality");
1246                 return -1;
1247         }
1248 #endif /* CONFIG_HS20 */
1249
1250         return 0;
1251 }
1252
1253
1254 static int hostapd_config_check(struct hostapd_config *conf)
1255 {
1256         size_t i;
1257
1258         if (conf->ieee80211d && (!conf->country[0] || !conf->country[1])) {
1259                 wpa_printf(MSG_ERROR, "Cannot enable IEEE 802.11d without "
1260                            "setting the country_code");
1261                 return -1;
1262         }
1263
1264         for (i = 0; i < conf->num_bss; i++) {
1265                 if (hostapd_config_check_bss(&conf->bss[i], conf))
1266                         return -1;
1267         }
1268
1269         return 0;
1270 }
1271
1272
1273 #ifdef CONFIG_INTERWORKING
1274 static int parse_roaming_consortium(struct hostapd_bss_config *bss, char *pos,
1275                                     int line)
1276 {
1277         size_t len = os_strlen(pos);
1278         u8 oi[MAX_ROAMING_CONSORTIUM_LEN];
1279
1280         struct hostapd_roaming_consortium *rc;
1281
1282         if ((len & 1) || len < 2 * 3 || len / 2 > MAX_ROAMING_CONSORTIUM_LEN ||
1283             hexstr2bin(pos, oi, len / 2)) {
1284                 wpa_printf(MSG_ERROR, "Line %d: invalid roaming_consortium "
1285                            "'%s'", line, pos);
1286                 return -1;
1287         }
1288         len /= 2;
1289
1290         rc = os_realloc_array(bss->roaming_consortium,
1291                               bss->roaming_consortium_count + 1,
1292                               sizeof(struct hostapd_roaming_consortium));
1293         if (rc == NULL)
1294                 return -1;
1295
1296         os_memcpy(rc[bss->roaming_consortium_count].oi, oi, len);
1297         rc[bss->roaming_consortium_count].len = len;
1298
1299         bss->roaming_consortium = rc;
1300         bss->roaming_consortium_count++;
1301
1302         return 0;
1303 }
1304
1305
1306 static int parse_lang_string(struct hostapd_lang_string **array,
1307                              unsigned int *count, char *pos)
1308 {
1309         char *sep;
1310         size_t clen, nlen;
1311         struct hostapd_lang_string *ls;
1312
1313         sep = os_strchr(pos, ':');
1314         if (sep == NULL)
1315                 return -1;
1316         *sep++ = '\0';
1317
1318         clen = os_strlen(pos);
1319         if (clen < 2)
1320                 return -1;
1321         nlen = os_strlen(sep);
1322         if (nlen > 252)
1323                 return -1;
1324
1325         ls = os_realloc_array(*array, *count + 1,
1326                               sizeof(struct hostapd_lang_string));
1327         if (ls == NULL)
1328                 return -1;
1329
1330         *array = ls;
1331         ls = &(*array)[*count];
1332         (*count)++;
1333
1334         os_memset(ls->lang, 0, sizeof(ls->lang));
1335         os_memcpy(ls->lang, pos, clen);
1336         ls->name_len = nlen;
1337         os_memcpy(ls->name, sep, nlen);
1338
1339         return 0;
1340 }
1341
1342
1343 static int parse_venue_name(struct hostapd_bss_config *bss, char *pos,
1344                             int line)
1345 {
1346         if (parse_lang_string(&bss->venue_name, &bss->venue_name_count, pos)) {
1347                 wpa_printf(MSG_ERROR, "Line %d: Invalid venue_name '%s'",
1348                            line, pos);
1349                 return -1;
1350         }
1351         return 0;
1352 }
1353
1354
1355 static int parse_3gpp_cell_net(struct hostapd_bss_config *bss, char *buf,
1356                                int line)
1357 {
1358         size_t count;
1359         char *pos;
1360         u8 *info = NULL, *ipos;
1361
1362         /* format: <MCC1,MNC1>[;<MCC2,MNC2>][;...] */
1363
1364         count = 1;
1365         for (pos = buf; *pos; pos++) {
1366                 if ((*pos < '0' && *pos > '9') && *pos != ';' && *pos != ',')
1367                         goto fail;
1368                 if (*pos == ';')
1369                         count++;
1370         }
1371         if (1 + count * 3 > 0x7f)
1372                 goto fail;
1373
1374         info = os_zalloc(2 + 3 + count * 3);
1375         if (info == NULL)
1376                 return -1;
1377
1378         ipos = info;
1379         *ipos++ = 0; /* GUD - Version 1 */
1380         *ipos++ = 3 + count * 3; /* User Data Header Length (UDHL) */
1381         *ipos++ = 0; /* PLMN List IEI */
1382         /* ext(b8) | Length of PLMN List value contents(b7..1) */
1383         *ipos++ = 1 + count * 3;
1384         *ipos++ = count; /* Number of PLMNs */
1385
1386         pos = buf;
1387         while (pos && *pos) {
1388                 char *mcc, *mnc;
1389                 size_t mnc_len;
1390
1391                 mcc = pos;
1392                 mnc = os_strchr(pos, ',');
1393                 if (mnc == NULL)
1394                         goto fail;
1395                 *mnc++ = '\0';
1396                 pos = os_strchr(mnc, ';');
1397                 if (pos)
1398                         *pos++ = '\0';
1399
1400                 mnc_len = os_strlen(mnc);
1401                 if (os_strlen(mcc) != 3 || (mnc_len != 2 && mnc_len != 3))
1402                         goto fail;
1403
1404                 /* BC coded MCC,MNC */
1405                 /* MCC digit 2 | MCC digit 1 */
1406                 *ipos++ = ((mcc[1] - '0') << 4) | (mcc[0] - '0');
1407                 /* MNC digit 3 | MCC digit 3 */
1408                 *ipos++ = (((mnc_len == 2) ? 0xf0 : ((mnc[2] - '0') << 4))) |
1409                         (mcc[2] - '0');
1410                 /* MNC digit 2 | MNC digit 1 */
1411                 *ipos++ = ((mnc[1] - '0') << 4) | (mnc[0] - '0');
1412         }
1413
1414         os_free(bss->anqp_3gpp_cell_net);
1415         bss->anqp_3gpp_cell_net = info;
1416         bss->anqp_3gpp_cell_net_len = 2 + 3 + 3 * count;
1417         wpa_hexdump(MSG_MSGDUMP, "3GPP Cellular Network information",
1418                     bss->anqp_3gpp_cell_net, bss->anqp_3gpp_cell_net_len);
1419
1420         return 0;
1421
1422 fail:
1423         wpa_printf(MSG_ERROR, "Line %d: Invalid anqp_3gpp_cell_net: %s",
1424                    line, buf);
1425         os_free(info);
1426         return -1;
1427 }
1428
1429
1430 static int parse_nai_realm(struct hostapd_bss_config *bss, char *buf, int line)
1431 {
1432         struct hostapd_nai_realm_data *realm;
1433         size_t i, j, len;
1434         int *offsets;
1435         char *pos, *end, *rpos;
1436
1437         offsets = os_calloc(bss->nai_realm_count * MAX_NAI_REALMS,
1438                             sizeof(int));
1439         if (offsets == NULL)
1440                 return -1;
1441
1442         for (i = 0; i < bss->nai_realm_count; i++) {
1443                 realm = &bss->nai_realm_data[i];
1444                 for (j = 0; j < MAX_NAI_REALMS; j++) {
1445                         offsets[i * MAX_NAI_REALMS + j] =
1446                                 realm->realm[j] ?
1447                                 realm->realm[j] - realm->realm_buf : -1;
1448                 }
1449         }
1450
1451         realm = os_realloc_array(bss->nai_realm_data, bss->nai_realm_count + 1,
1452                                  sizeof(struct hostapd_nai_realm_data));
1453         if (realm == NULL) {
1454                 os_free(offsets);
1455                 return -1;
1456         }
1457         bss->nai_realm_data = realm;
1458
1459         /* patch the pointers after realloc */
1460         for (i = 0; i < bss->nai_realm_count; i++) {
1461                 realm = &bss->nai_realm_data[i];
1462                 for (j = 0; j < MAX_NAI_REALMS; j++) {
1463                         int offs = offsets[i * MAX_NAI_REALMS + j];
1464                         if (offs >= 0)
1465                                 realm->realm[j] = realm->realm_buf + offs;
1466                         else
1467                                 realm->realm[j] = NULL;
1468                 }
1469         }
1470         os_free(offsets);
1471
1472         realm = &bss->nai_realm_data[bss->nai_realm_count];
1473         os_memset(realm, 0, sizeof(*realm));
1474
1475         pos = buf;
1476         realm->encoding = atoi(pos);
1477         pos = os_strchr(pos, ',');
1478         if (pos == NULL)
1479                 goto fail;
1480         pos++;
1481
1482         end = os_strchr(pos, ',');
1483         if (end) {
1484                 len = end - pos;
1485                 *end = '\0';
1486         } else {
1487                 len = os_strlen(pos);
1488         }
1489
1490         if (len > MAX_NAI_REALMLEN) {
1491                 wpa_printf(MSG_ERROR, "Too long a realm string (%d > max %d "
1492                            "characters)", (int) len, MAX_NAI_REALMLEN);
1493                 goto fail;
1494         }
1495         os_memcpy(realm->realm_buf, pos, len);
1496
1497         if (end)
1498                 pos = end + 1;
1499         else
1500                 pos = NULL;
1501
1502         while (pos && *pos) {
1503                 struct hostapd_nai_realm_eap *eap;
1504
1505                 if (realm->eap_method_count >= MAX_NAI_EAP_METHODS) {
1506                         wpa_printf(MSG_ERROR, "Too many EAP methods");
1507                         goto fail;
1508                 }
1509
1510                 eap = &realm->eap_method[realm->eap_method_count];
1511                 realm->eap_method_count++;
1512
1513                 end = os_strchr(pos, ',');
1514                 if (end == NULL)
1515                         end = pos + os_strlen(pos);
1516
1517                 eap->eap_method = atoi(pos);
1518                 for (;;) {
1519                         pos = os_strchr(pos, '[');
1520                         if (pos == NULL || pos > end)
1521                                 break;
1522                         pos++;
1523                         if (eap->num_auths >= MAX_NAI_AUTH_TYPES) {
1524                                 wpa_printf(MSG_ERROR, "Too many auth params");
1525                                 goto fail;
1526                         }
1527                         eap->auth_id[eap->num_auths] = atoi(pos);
1528                         pos = os_strchr(pos, ':');
1529                         if (pos == NULL || pos > end)
1530                                 goto fail;
1531                         pos++;
1532                         eap->auth_val[eap->num_auths] = atoi(pos);
1533                         pos = os_strchr(pos, ']');
1534                         if (pos == NULL || pos > end)
1535                                 goto fail;
1536                         pos++;
1537                         eap->num_auths++;
1538                 }
1539
1540                 if (*end != ',')
1541                         break;
1542
1543                 pos = end + 1;
1544         }
1545
1546         /* Split realm list into null terminated realms */
1547         rpos = realm->realm_buf;
1548         i = 0;
1549         while (*rpos) {
1550                 if (i >= MAX_NAI_REALMS) {
1551                         wpa_printf(MSG_ERROR, "Too many realms");
1552                         goto fail;
1553                 }
1554                 realm->realm[i++] = rpos;
1555                 rpos = os_strchr(rpos, ';');
1556                 if (rpos == NULL)
1557                         break;
1558                 *rpos++ = '\0';
1559         }
1560
1561         bss->nai_realm_count++;
1562
1563         return 0;
1564
1565 fail:
1566         wpa_printf(MSG_ERROR, "Line %d: invalid nai_realm '%s'", line, buf);
1567         return -1;
1568 }
1569
1570 #endif /* CONFIG_INTERWORKING */
1571
1572
1573 #ifdef CONFIG_HS20
1574 static int hs20_parse_conn_capab(struct hostapd_bss_config *bss, char *buf,
1575                                  int line)
1576 {
1577         u8 *conn_cap;
1578         char *pos;
1579
1580         if (bss->hs20_connection_capability_len >= 0xfff0)
1581                 return -1;
1582
1583         conn_cap = os_realloc(bss->hs20_connection_capability,
1584                               bss->hs20_connection_capability_len + 4);
1585         if (conn_cap == NULL)
1586                 return -1;
1587
1588         bss->hs20_connection_capability = conn_cap;
1589         conn_cap += bss->hs20_connection_capability_len;
1590         pos = buf;
1591         conn_cap[0] = atoi(pos);
1592         pos = os_strchr(pos, ':');
1593         if (pos == NULL)
1594                 return -1;
1595         pos++;
1596         WPA_PUT_LE16(conn_cap + 1, atoi(pos));
1597         pos = os_strchr(pos, ':');
1598         if (pos == NULL)
1599                 return -1;
1600         pos++;
1601         conn_cap[3] = atoi(pos);
1602         bss->hs20_connection_capability_len += 4;
1603
1604         return 0;
1605 }
1606
1607
1608 static int hs20_parse_wan_metrics(struct hostapd_bss_config *bss, char *buf,
1609                                   int line)
1610 {
1611         u8 *wan_metrics;
1612         char *pos;
1613
1614         /* <WAN Info>:<DL Speed>:<UL Speed>:<DL Load>:<UL Load>:<LMD> */
1615
1616         wan_metrics = os_zalloc(13);
1617         if (wan_metrics == NULL)
1618                 return -1;
1619
1620         pos = buf;
1621         /* WAN Info */
1622         if (hexstr2bin(pos, wan_metrics, 1) < 0)
1623                 goto fail;
1624         pos += 2;
1625         if (*pos != ':')
1626                 goto fail;
1627         pos++;
1628
1629         /* Downlink Speed */
1630         WPA_PUT_LE32(wan_metrics + 1, atoi(pos));
1631         pos = os_strchr(pos, ':');
1632         if (pos == NULL)
1633                 goto fail;
1634         pos++;
1635
1636         /* Uplink Speed */
1637         WPA_PUT_LE32(wan_metrics + 5, atoi(pos));
1638         pos = os_strchr(pos, ':');
1639         if (pos == NULL)
1640                 goto fail;
1641         pos++;
1642
1643         /* Downlink Load */
1644         wan_metrics[9] = atoi(pos);
1645         pos = os_strchr(pos, ':');
1646         if (pos == NULL)
1647                 goto fail;
1648         pos++;
1649
1650         /* Uplink Load */
1651         wan_metrics[10] = atoi(pos);
1652         pos = os_strchr(pos, ':');
1653         if (pos == NULL)
1654                 goto fail;
1655         pos++;
1656
1657         /* LMD */
1658         WPA_PUT_LE16(wan_metrics + 11, atoi(pos));
1659
1660         os_free(bss->hs20_wan_metrics);
1661         bss->hs20_wan_metrics = wan_metrics;
1662
1663         return 0;
1664
1665 fail:
1666         wpa_printf(MSG_ERROR, "Line %d: Invalid hs20_wan_metrics '%s'",
1667                    line, pos);
1668         os_free(wan_metrics);
1669         return -1;
1670 }
1671
1672
1673 static int hs20_parse_oper_friendly_name(struct hostapd_bss_config *bss,
1674                                          char *pos, int line)
1675 {
1676         if (parse_lang_string(&bss->hs20_oper_friendly_name,
1677                               &bss->hs20_oper_friendly_name_count, pos)) {
1678                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1679                            "hs20_oper_friendly_name '%s'", line, pos);
1680                 return -1;
1681         }
1682         return 0;
1683 }
1684 #endif /* CONFIG_HS20 */
1685
1686
1687 #ifdef CONFIG_WPS_NFC
1688 static struct wpabuf * hostapd_parse_bin(const char *buf)
1689 {
1690         size_t len;
1691         struct wpabuf *ret;
1692
1693         len = os_strlen(buf);
1694         if (len & 0x01)
1695                 return NULL;
1696         len /= 2;
1697
1698         ret = wpabuf_alloc(len);
1699         if (ret == NULL)
1700                 return NULL;
1701
1702         if (hexstr2bin(buf, wpabuf_put(ret, len), len)) {
1703                 wpabuf_free(ret);
1704                 return NULL;
1705         }
1706
1707         return ret;
1708 }
1709 #endif /* CONFIG_WPS_NFC */
1710
1711
1712 static int hostapd_config_fill(struct hostapd_config *conf,
1713                                struct hostapd_bss_config *bss,
1714                                char *buf, char *pos, int line)
1715 {
1716         int errors = 0;
1717
1718         {
1719                 if (os_strcmp(buf, "interface") == 0) {
1720                         os_strlcpy(conf->bss[0].iface, pos,
1721                                    sizeof(conf->bss[0].iface));
1722                 } else if (os_strcmp(buf, "bridge") == 0) {
1723                         os_strlcpy(bss->bridge, pos, sizeof(bss->bridge));
1724                 } else if (os_strcmp(buf, "wds_bridge") == 0) {
1725                         os_strlcpy(bss->wds_bridge, pos,
1726                                    sizeof(bss->wds_bridge));
1727                 } else if (os_strcmp(buf, "driver") == 0) {
1728                         int j;
1729                         /* clear to get error below if setting is invalid */
1730                         conf->driver = NULL;
1731                         for (j = 0; wpa_drivers[j]; j++) {
1732                                 if (os_strcmp(pos, wpa_drivers[j]->name) == 0)
1733                                 {
1734                                         conf->driver = wpa_drivers[j];
1735                                         break;
1736                                 }
1737                         }
1738                         if (conf->driver == NULL) {
1739                                 wpa_printf(MSG_ERROR, "Line %d: invalid/"
1740                                            "unknown driver '%s'", line, pos);
1741                                 errors++;
1742                         }
1743                 } else if (os_strcmp(buf, "debug") == 0) {
1744                         wpa_printf(MSG_DEBUG, "Line %d: DEPRECATED: 'debug' "
1745                                    "configuration variable is not used "
1746                                    "anymore", line);
1747                 } else if (os_strcmp(buf, "logger_syslog_level") == 0) {
1748                         bss->logger_syslog_level = atoi(pos);
1749                 } else if (os_strcmp(buf, "logger_stdout_level") == 0) {
1750                         bss->logger_stdout_level = atoi(pos);
1751                 } else if (os_strcmp(buf, "logger_syslog") == 0) {
1752                         bss->logger_syslog = atoi(pos);
1753                 } else if (os_strcmp(buf, "logger_stdout") == 0) {
1754                         bss->logger_stdout = atoi(pos);
1755                 } else if (os_strcmp(buf, "dump_file") == 0) {
1756                         bss->dump_log_name = os_strdup(pos);
1757                 } else if (os_strcmp(buf, "ssid") == 0) {
1758                         bss->ssid.ssid_len = os_strlen(pos);
1759                         if (bss->ssid.ssid_len > HOSTAPD_MAX_SSID_LEN ||
1760                             bss->ssid.ssid_len < 1) {
1761                                 wpa_printf(MSG_ERROR, "Line %d: invalid SSID "
1762                                            "'%s'", line, pos);
1763                                 errors++;
1764                         } else {
1765                                 os_memcpy(bss->ssid.ssid, pos,
1766                                           bss->ssid.ssid_len);
1767                                 bss->ssid.ssid_set = 1;
1768                         }
1769                 } else if (os_strcmp(buf, "ssid2") == 0) {
1770                         size_t slen;
1771                         char *str = wpa_config_parse_string(pos, &slen);
1772                         if (str == NULL || slen < 1 ||
1773                                    slen > HOSTAPD_MAX_SSID_LEN) {
1774                                 wpa_printf(MSG_ERROR, "Line %d: invalid SSID "
1775                                            "'%s'", line, pos);
1776                                 errors++;
1777                         } else {
1778                                 os_memcpy(bss->ssid.ssid, str, slen);
1779                                 bss->ssid.ssid_len = slen;
1780                                 bss->ssid.ssid_set = 1;
1781                         }
1782                         os_free(str);
1783                 } else if (os_strcmp(buf, "utf8_ssid") == 0) {
1784                         bss->ssid.utf8_ssid = atoi(pos) > 0;
1785                 } else if (os_strcmp(buf, "macaddr_acl") == 0) {
1786                         bss->macaddr_acl = atoi(pos);
1787                         if (bss->macaddr_acl != ACCEPT_UNLESS_DENIED &&
1788                             bss->macaddr_acl != DENY_UNLESS_ACCEPTED &&
1789                             bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
1790                                 wpa_printf(MSG_ERROR, "Line %d: unknown "
1791                                            "macaddr_acl %d",
1792                                            line, bss->macaddr_acl);
1793                         }
1794                 } else if (os_strcmp(buf, "accept_mac_file") == 0) {
1795                         if (hostapd_config_read_maclist(pos, &bss->accept_mac,
1796                                                         &bss->num_accept_mac))
1797                         {
1798                                 wpa_printf(MSG_ERROR, "Line %d: Failed to "
1799                                            "read accept_mac_file '%s'",
1800                                            line, pos);
1801                                 errors++;
1802                         }
1803                 } else if (os_strcmp(buf, "deny_mac_file") == 0) {
1804                         if (hostapd_config_read_maclist(pos, &bss->deny_mac,
1805                                                         &bss->num_deny_mac)) {
1806                                 wpa_printf(MSG_ERROR, "Line %d: Failed to "
1807                                            "read deny_mac_file '%s'",
1808                                            line, pos);
1809                                 errors++;
1810                         }
1811                 } else if (os_strcmp(buf, "wds_sta") == 0) {
1812                         bss->wds_sta = atoi(pos);
1813                 } else if (os_strcmp(buf, "ap_isolate") == 0) {
1814                         bss->isolate = atoi(pos);
1815                 } else if (os_strcmp(buf, "ap_max_inactivity") == 0) {
1816                         bss->ap_max_inactivity = atoi(pos);
1817                 } else if (os_strcmp(buf, "skip_inactivity_poll") == 0) {
1818                         bss->skip_inactivity_poll = atoi(pos);
1819                 } else if (os_strcmp(buf, "country_code") == 0) {
1820                         os_memcpy(conf->country, pos, 2);
1821                         /* FIX: make this configurable */
1822                         conf->country[2] = ' ';
1823                 } else if (os_strcmp(buf, "ieee80211d") == 0) {
1824                         conf->ieee80211d = atoi(pos);
1825                 } else if (os_strcmp(buf, "ieee8021x") == 0) {
1826                         bss->ieee802_1x = atoi(pos);
1827                 } else if (os_strcmp(buf, "eapol_version") == 0) {
1828                         bss->eapol_version = atoi(pos);
1829                         if (bss->eapol_version < 1 ||
1830                             bss->eapol_version > 2) {
1831                                 wpa_printf(MSG_ERROR, "Line %d: invalid EAPOL "
1832                                            "version (%d): '%s'.",
1833                                            line, bss->eapol_version, pos);
1834                                 errors++;
1835                         } else
1836                                 wpa_printf(MSG_DEBUG, "eapol_version=%d",
1837                                            bss->eapol_version);
1838 #ifdef EAP_SERVER
1839                 } else if (os_strcmp(buf, "eap_authenticator") == 0) {
1840                         bss->eap_server = atoi(pos);
1841                         wpa_printf(MSG_ERROR, "Line %d: obsolete "
1842                                    "eap_authenticator used; this has been "
1843                                    "renamed to eap_server", line);
1844                 } else if (os_strcmp(buf, "eap_server") == 0) {
1845                         bss->eap_server = atoi(pos);
1846                 } else if (os_strcmp(buf, "eap_user_file") == 0) {
1847                         if (hostapd_config_read_eap_user(pos, bss))
1848                                 errors++;
1849                 } else if (os_strcmp(buf, "ca_cert") == 0) {
1850                         os_free(bss->ca_cert);
1851                         bss->ca_cert = os_strdup(pos);
1852                 } else if (os_strcmp(buf, "server_cert") == 0) {
1853                         os_free(bss->server_cert);
1854                         bss->server_cert = os_strdup(pos);
1855                 } else if (os_strcmp(buf, "private_key") == 0) {
1856                         os_free(bss->private_key);
1857                         bss->private_key = os_strdup(pos);
1858                 } else if (os_strcmp(buf, "private_key_passwd") == 0) {
1859                         os_free(bss->private_key_passwd);
1860                         bss->private_key_passwd = os_strdup(pos);
1861                 } else if (os_strcmp(buf, "check_crl") == 0) {
1862                         bss->check_crl = atoi(pos);
1863                 } else if (os_strcmp(buf, "dh_file") == 0) {
1864                         os_free(bss->dh_file);
1865                         bss->dh_file = os_strdup(pos);
1866                 } else if (os_strcmp(buf, "fragment_size") == 0) {
1867                         bss->fragment_size = atoi(pos);
1868 #ifdef EAP_SERVER_FAST
1869                 } else if (os_strcmp(buf, "pac_opaque_encr_key") == 0) {
1870                         os_free(bss->pac_opaque_encr_key);
1871                         bss->pac_opaque_encr_key = os_malloc(16);
1872                         if (bss->pac_opaque_encr_key == NULL) {
1873                                 wpa_printf(MSG_ERROR, "Line %d: No memory for "
1874                                            "pac_opaque_encr_key", line);
1875                                 errors++;
1876                         } else if (hexstr2bin(pos, bss->pac_opaque_encr_key,
1877                                               16)) {
1878                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1879                                            "pac_opaque_encr_key", line);
1880                                 errors++;
1881                         }
1882                 } else if (os_strcmp(buf, "eap_fast_a_id") == 0) {
1883                         size_t idlen = os_strlen(pos);
1884                         if (idlen & 1) {
1885                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1886                                            "eap_fast_a_id", line);
1887                                 errors++;
1888                         } else {
1889                                 os_free(bss->eap_fast_a_id);
1890                                 bss->eap_fast_a_id = os_malloc(idlen / 2);
1891                                 if (bss->eap_fast_a_id == NULL ||
1892                                     hexstr2bin(pos, bss->eap_fast_a_id,
1893                                                idlen / 2)) {
1894                                         wpa_printf(MSG_ERROR, "Line %d: "
1895                                                    "Failed to parse "
1896                                                    "eap_fast_a_id", line);
1897                                         errors++;
1898                                 } else
1899                                         bss->eap_fast_a_id_len = idlen / 2;
1900                         }
1901                 } else if (os_strcmp(buf, "eap_fast_a_id_info") == 0) {
1902                         os_free(bss->eap_fast_a_id_info);
1903                         bss->eap_fast_a_id_info = os_strdup(pos);
1904                 } else if (os_strcmp(buf, "eap_fast_prov") == 0) {
1905                         bss->eap_fast_prov = atoi(pos);
1906                 } else if (os_strcmp(buf, "pac_key_lifetime") == 0) {
1907                         bss->pac_key_lifetime = atoi(pos);
1908                 } else if (os_strcmp(buf, "pac_key_refresh_time") == 0) {
1909                         bss->pac_key_refresh_time = atoi(pos);
1910 #endif /* EAP_SERVER_FAST */
1911 #ifdef EAP_SERVER_SIM
1912                 } else if (os_strcmp(buf, "eap_sim_db") == 0) {
1913                         os_free(bss->eap_sim_db);
1914                         bss->eap_sim_db = os_strdup(pos);
1915                 } else if (os_strcmp(buf, "eap_sim_aka_result_ind") == 0) {
1916                         bss->eap_sim_aka_result_ind = atoi(pos);
1917 #endif /* EAP_SERVER_SIM */
1918 #ifdef EAP_SERVER_TNC
1919                 } else if (os_strcmp(buf, "tnc") == 0) {
1920                         bss->tnc = atoi(pos);
1921 #endif /* EAP_SERVER_TNC */
1922 #ifdef EAP_SERVER_PWD
1923                 } else if (os_strcmp(buf, "pwd_group") == 0) {
1924                         bss->pwd_group = atoi(pos);
1925 #endif /* EAP_SERVER_PWD */
1926 #endif /* EAP_SERVER */
1927                 } else if (os_strcmp(buf, "eap_message") == 0) {
1928                         char *term;
1929                         bss->eap_req_id_text = os_strdup(pos);
1930                         if (bss->eap_req_id_text == NULL) {
1931                                 wpa_printf(MSG_ERROR, "Line %d: Failed to "
1932                                            "allocate memory for "
1933                                            "eap_req_id_text", line);
1934                                 errors++;
1935                                 return errors;
1936                         }
1937                         bss->eap_req_id_text_len =
1938                                 os_strlen(bss->eap_req_id_text);
1939                         term = os_strstr(bss->eap_req_id_text, "\\0");
1940                         if (term) {
1941                                 *term++ = '\0';
1942                                 os_memmove(term, term + 1,
1943                                            bss->eap_req_id_text_len -
1944                                            (term - bss->eap_req_id_text) - 1);
1945                                 bss->eap_req_id_text_len--;
1946                         }
1947                 } else if (os_strcmp(buf, "wep_key_len_broadcast") == 0) {
1948                         bss->default_wep_key_len = atoi(pos);
1949                         if (bss->default_wep_key_len > 13) {
1950                                 wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
1951                                            "key len %lu (= %lu bits)", line,
1952                                            (unsigned long)
1953                                            bss->default_wep_key_len,
1954                                            (unsigned long)
1955                                            bss->default_wep_key_len * 8);
1956                                 errors++;
1957                         }
1958                 } else if (os_strcmp(buf, "wep_key_len_unicast") == 0) {
1959                         bss->individual_wep_key_len = atoi(pos);
1960                         if (bss->individual_wep_key_len < 0 ||
1961                             bss->individual_wep_key_len > 13) {
1962                                 wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
1963                                            "key len %d (= %d bits)", line,
1964                                            bss->individual_wep_key_len,
1965                                            bss->individual_wep_key_len * 8);
1966                                 errors++;
1967                         }
1968                 } else if (os_strcmp(buf, "wep_rekey_period") == 0) {
1969                         bss->wep_rekeying_period = atoi(pos);
1970                         if (bss->wep_rekeying_period < 0) {
1971                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1972                                            "period %d",
1973                                            line, bss->wep_rekeying_period);
1974                                 errors++;
1975                         }
1976                 } else if (os_strcmp(buf, "eap_reauth_period") == 0) {
1977                         bss->eap_reauth_period = atoi(pos);
1978                         if (bss->eap_reauth_period < 0) {
1979                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
1980                                            "period %d",
1981                                            line, bss->eap_reauth_period);
1982                                 errors++;
1983                         }
1984                 } else if (os_strcmp(buf, "eapol_key_index_workaround") == 0) {
1985                         bss->eapol_key_index_workaround = atoi(pos);
1986 #ifdef CONFIG_IAPP
1987                 } else if (os_strcmp(buf, "iapp_interface") == 0) {
1988                         bss->ieee802_11f = 1;
1989                         os_strlcpy(bss->iapp_iface, pos,
1990                                    sizeof(bss->iapp_iface));
1991 #endif /* CONFIG_IAPP */
1992                 } else if (os_strcmp(buf, "own_ip_addr") == 0) {
1993                         if (hostapd_parse_ip_addr(pos, &bss->own_ip_addr)) {
1994                                 wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1995                                            "address '%s'", line, pos);
1996                                 errors++;
1997                         }
1998                 } else if (os_strcmp(buf, "nas_identifier") == 0) {
1999                         bss->nas_identifier = os_strdup(pos);
2000 #ifndef CONFIG_NO_RADIUS
2001                 } else if (os_strcmp(buf, "auth_server_addr") == 0) {
2002                         if (hostapd_config_read_radius_addr(
2003                                     &bss->radius->auth_servers,
2004                                     &bss->radius->num_auth_servers, pos, 1812,
2005                                     &bss->radius->auth_server)) {
2006                                 wpa_printf(MSG_ERROR, "Line %d: invalid IP "
2007                                            "address '%s'", line, pos);
2008                                 errors++;
2009                         }
2010                 } else if (bss->radius->auth_server &&
2011                            os_strcmp(buf, "auth_server_port") == 0) {
2012                         bss->radius->auth_server->port = atoi(pos);
2013                 } else if (bss->radius->auth_server &&
2014                            os_strcmp(buf, "auth_server_shared_secret") == 0) {
2015                         int len = os_strlen(pos);
2016                         if (len == 0) {
2017                                 /* RFC 2865, Ch. 3 */
2018                                 wpa_printf(MSG_ERROR, "Line %d: empty shared "
2019                                            "secret is not allowed.", line);
2020                                 errors++;
2021                         }
2022                         bss->radius->auth_server->shared_secret =
2023                                 (u8 *) os_strdup(pos);
2024                         bss->radius->auth_server->shared_secret_len = len;
2025                 } else if (os_strcmp(buf, "acct_server_addr") == 0) {
2026                         if (hostapd_config_read_radius_addr(
2027                                     &bss->radius->acct_servers,
2028                                     &bss->radius->num_acct_servers, pos, 1813,
2029                                     &bss->radius->acct_server)) {
2030                                 wpa_printf(MSG_ERROR, "Line %d: invalid IP "
2031                                            "address '%s'", line, pos);
2032                                 errors++;
2033                         }
2034                 } else if (bss->radius->acct_server &&
2035                            os_strcmp(buf, "acct_server_port") == 0) {
2036                         bss->radius->acct_server->port = atoi(pos);
2037                 } else if (bss->radius->acct_server &&
2038                            os_strcmp(buf, "acct_server_shared_secret") == 0) {
2039                         int len = os_strlen(pos);
2040                         if (len == 0) {
2041                                 /* RFC 2865, Ch. 3 */
2042                                 wpa_printf(MSG_ERROR, "Line %d: empty shared "
2043                                            "secret is not allowed.", line);
2044                                 errors++;
2045                         }
2046                         bss->radius->acct_server->shared_secret =
2047                                 (u8 *) os_strdup(pos);
2048                         bss->radius->acct_server->shared_secret_len = len;
2049                 } else if (os_strcmp(buf, "radius_retry_primary_interval") ==
2050                            0) {
2051                         bss->radius->retry_primary_interval = atoi(pos);
2052                 } else if (os_strcmp(buf, "radius_acct_interim_interval") == 0)
2053                 {
2054                         bss->acct_interim_interval = atoi(pos);
2055                 } else if (os_strcmp(buf, "radius_request_cui") == 0) {
2056                         bss->radius_request_cui = atoi(pos);
2057                 } else if (os_strcmp(buf, "radius_auth_req_attr") == 0) {
2058                         struct hostapd_radius_attr *attr, *a;
2059                         attr = hostapd_parse_radius_attr(pos);
2060                         if (attr == NULL) {
2061                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2062                                            "radius_auth_req_attr", line);
2063                                 errors++;
2064                         } else if (bss->radius_auth_req_attr == NULL) {
2065                                 bss->radius_auth_req_attr = attr;
2066                         } else {
2067                                 a = bss->radius_auth_req_attr;
2068                                 while (a->next)
2069                                         a = a->next;
2070                                 a->next = attr;
2071                         }
2072                 } else if (os_strcmp(buf, "radius_acct_req_attr") == 0) {
2073                         struct hostapd_radius_attr *attr, *a;
2074                         attr = hostapd_parse_radius_attr(pos);
2075                         if (attr == NULL) {
2076                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2077                                            "radius_acct_req_attr", line);
2078                                 errors++;
2079                         } else if (bss->radius_acct_req_attr == NULL) {
2080                                 bss->radius_acct_req_attr = attr;
2081                         } else {
2082                                 a = bss->radius_acct_req_attr;
2083                                 while (a->next)
2084                                         a = a->next;
2085                                 a->next = attr;
2086                         }
2087                 } else if (os_strcmp(buf, "radius_das_port") == 0) {
2088                         bss->radius_das_port = atoi(pos);
2089                 } else if (os_strcmp(buf, "radius_das_client") == 0) {
2090                         if (hostapd_parse_das_client(bss, pos) < 0) {
2091                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2092                                            "DAS client", line);
2093                                 errors++;
2094                         }
2095                 } else if (os_strcmp(buf, "radius_das_time_window") == 0) {
2096                         bss->radius_das_time_window = atoi(pos);
2097                 } else if (os_strcmp(buf, "radius_das_require_event_timestamp")
2098                            == 0) {
2099                         bss->radius_das_require_event_timestamp = atoi(pos);
2100 #endif /* CONFIG_NO_RADIUS */
2101                 } else if (os_strcmp(buf, "auth_algs") == 0) {
2102                         bss->auth_algs = atoi(pos);
2103                         if (bss->auth_algs == 0) {
2104                                 wpa_printf(MSG_ERROR, "Line %d: no "
2105                                            "authentication algorithms allowed",
2106                                            line);
2107                                 errors++;
2108                         }
2109                 } else if (os_strcmp(buf, "max_num_sta") == 0) {
2110                         bss->max_num_sta = atoi(pos);
2111                         if (bss->max_num_sta < 0 ||
2112                             bss->max_num_sta > MAX_STA_COUNT) {
2113                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2114                                            "max_num_sta=%d; allowed range "
2115                                            "0..%d", line, bss->max_num_sta,
2116                                            MAX_STA_COUNT);
2117                                 errors++;
2118                         }
2119                 } else if (os_strcmp(buf, "wpa") == 0) {
2120                         bss->wpa = atoi(pos);
2121                 } else if (os_strcmp(buf, "wpa_group_rekey") == 0) {
2122                         bss->wpa_group_rekey = atoi(pos);
2123                 } else if (os_strcmp(buf, "wpa_strict_rekey") == 0) {
2124                         bss->wpa_strict_rekey = atoi(pos);
2125                 } else if (os_strcmp(buf, "wpa_gmk_rekey") == 0) {
2126                         bss->wpa_gmk_rekey = atoi(pos);
2127                 } else if (os_strcmp(buf, "wpa_ptk_rekey") == 0) {
2128                         bss->wpa_ptk_rekey = atoi(pos);
2129                 } else if (os_strcmp(buf, "wpa_passphrase") == 0) {
2130                         int len = os_strlen(pos);
2131                         if (len < 8 || len > 63) {
2132                                 wpa_printf(MSG_ERROR, "Line %d: invalid WPA "
2133                                            "passphrase length %d (expected "
2134                                            "8..63)", line, len);
2135                                 errors++;
2136                         } else {
2137                                 os_free(bss->ssid.wpa_passphrase);
2138                                 bss->ssid.wpa_passphrase = os_strdup(pos);
2139                                 os_free(bss->ssid.wpa_psk);
2140                                 bss->ssid.wpa_psk = NULL;
2141                         }
2142                 } else if (os_strcmp(buf, "wpa_psk") == 0) {
2143                         os_free(bss->ssid.wpa_psk);
2144                         bss->ssid.wpa_psk =
2145                                 os_zalloc(sizeof(struct hostapd_wpa_psk));
2146                         if (bss->ssid.wpa_psk == NULL)
2147                                 errors++;
2148                         else if (hexstr2bin(pos, bss->ssid.wpa_psk->psk,
2149                                             PMK_LEN) ||
2150                                  pos[PMK_LEN * 2] != '\0') {
2151                                 wpa_printf(MSG_ERROR, "Line %d: Invalid PSK "
2152                                            "'%s'.", line, pos);
2153                                 errors++;
2154                         } else {
2155                                 bss->ssid.wpa_psk->group = 1;
2156                                 os_free(bss->ssid.wpa_passphrase);
2157                                 bss->ssid.wpa_passphrase = NULL;
2158                         }
2159                 } else if (os_strcmp(buf, "wpa_psk_file") == 0) {
2160                         os_free(bss->ssid.wpa_psk_file);
2161                         bss->ssid.wpa_psk_file = os_strdup(pos);
2162                         if (!bss->ssid.wpa_psk_file) {
2163                                 wpa_printf(MSG_ERROR, "Line %d: allocation "
2164                                            "failed", line);
2165                                 errors++;
2166                         }
2167                 } else if (os_strcmp(buf, "wpa_key_mgmt") == 0) {
2168                         bss->wpa_key_mgmt =
2169                                 hostapd_config_parse_key_mgmt(line, pos);
2170                         if (bss->wpa_key_mgmt == -1)
2171                                 errors++;
2172                 } else if (os_strcmp(buf, "wpa_psk_radius") == 0) {
2173                         bss->wpa_psk_radius = atoi(pos);
2174                         if (bss->wpa_psk_radius != PSK_RADIUS_IGNORED &&
2175                             bss->wpa_psk_radius != PSK_RADIUS_ACCEPTED &&
2176                             bss->wpa_psk_radius != PSK_RADIUS_REQUIRED) {
2177                                 wpa_printf(MSG_ERROR, "Line %d: unknown "
2178                                            "wpa_psk_radius %d",
2179                                            line, bss->wpa_psk_radius);
2180                                 errors++;
2181                         }
2182                 } else if (os_strcmp(buf, "wpa_pairwise") == 0) {
2183                         bss->wpa_pairwise =
2184                                 hostapd_config_parse_cipher(line, pos);
2185                         if (bss->wpa_pairwise == -1 ||
2186                             bss->wpa_pairwise == 0)
2187                                 errors++;
2188                         else if (bss->wpa_pairwise &
2189                                  (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
2190                                   WPA_CIPHER_WEP104)) {
2191                                 wpa_printf(MSG_ERROR, "Line %d: unsupported "
2192                                            "pairwise cipher suite '%s'",
2193                                            bss->wpa_pairwise, pos);
2194                                 errors++;
2195                         }
2196                 } else if (os_strcmp(buf, "rsn_pairwise") == 0) {
2197                         bss->rsn_pairwise =
2198                                 hostapd_config_parse_cipher(line, pos);
2199                         if (bss->rsn_pairwise == -1 ||
2200                             bss->rsn_pairwise == 0)
2201                                 errors++;
2202                         else if (bss->rsn_pairwise &
2203                                  (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
2204                                   WPA_CIPHER_WEP104)) {
2205                                 wpa_printf(MSG_ERROR, "Line %d: unsupported "
2206                                            "pairwise cipher suite '%s'",
2207                                            bss->rsn_pairwise, pos);
2208                                 errors++;
2209                         }
2210 #ifdef CONFIG_RSN_PREAUTH
2211                 } else if (os_strcmp(buf, "rsn_preauth") == 0) {
2212                         bss->rsn_preauth = atoi(pos);
2213                 } else if (os_strcmp(buf, "rsn_preauth_interfaces") == 0) {
2214                         bss->rsn_preauth_interfaces = os_strdup(pos);
2215 #endif /* CONFIG_RSN_PREAUTH */
2216 #ifdef CONFIG_PEERKEY
2217                 } else if (os_strcmp(buf, "peerkey") == 0) {
2218                         bss->peerkey = atoi(pos);
2219 #endif /* CONFIG_PEERKEY */
2220 #ifdef CONFIG_IEEE80211R
2221                 } else if (os_strcmp(buf, "mobility_domain") == 0) {
2222                         if (os_strlen(pos) != 2 * MOBILITY_DOMAIN_ID_LEN ||
2223                             hexstr2bin(pos, bss->mobility_domain,
2224                                        MOBILITY_DOMAIN_ID_LEN) != 0) {
2225                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
2226                                            "mobility_domain '%s'", line, pos);
2227                                 errors++;
2228                                 return errors;
2229                         }
2230                 } else if (os_strcmp(buf, "r1_key_holder") == 0) {
2231                         if (os_strlen(pos) != 2 * FT_R1KH_ID_LEN ||
2232                             hexstr2bin(pos, bss->r1_key_holder,
2233                                        FT_R1KH_ID_LEN) != 0) {
2234                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
2235                                            "r1_key_holder '%s'", line, pos);
2236                                 errors++;
2237                                 return errors;
2238                         }
2239                 } else if (os_strcmp(buf, "r0_key_lifetime") == 0) {
2240                         bss->r0_key_lifetime = atoi(pos);
2241                 } else if (os_strcmp(buf, "reassociation_deadline") == 0) {
2242                         bss->reassociation_deadline = atoi(pos);
2243                 } else if (os_strcmp(buf, "r0kh") == 0) {
2244                         if (add_r0kh(bss, pos) < 0) {
2245                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
2246                                            "r0kh '%s'", line, pos);
2247                                 errors++;
2248                                 return errors;
2249                         }
2250                 } else if (os_strcmp(buf, "r1kh") == 0) {
2251                         if (add_r1kh(bss, pos) < 0) {
2252                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
2253                                            "r1kh '%s'", line, pos);
2254                                 errors++;
2255                                 return errors;
2256                         }
2257                 } else if (os_strcmp(buf, "pmk_r1_push") == 0) {
2258                         bss->pmk_r1_push = atoi(pos);
2259                 } else if (os_strcmp(buf, "ft_over_ds") == 0) {
2260                         bss->ft_over_ds = atoi(pos);
2261 #endif /* CONFIG_IEEE80211R */
2262 #ifndef CONFIG_NO_CTRL_IFACE
2263                 } else if (os_strcmp(buf, "ctrl_interface") == 0) {
2264                         os_free(bss->ctrl_interface);
2265                         bss->ctrl_interface = os_strdup(pos);
2266                 } else if (os_strcmp(buf, "ctrl_interface_group") == 0) {
2267 #ifndef CONFIG_NATIVE_WINDOWS
2268                         struct group *grp;
2269                         char *endp;
2270                         const char *group = pos;
2271
2272                         grp = getgrnam(group);
2273                         if (grp) {
2274                                 bss->ctrl_interface_gid = grp->gr_gid;
2275                                 bss->ctrl_interface_gid_set = 1;
2276                                 wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d"
2277                                            " (from group name '%s')",
2278                                            bss->ctrl_interface_gid, group);
2279                                 return errors;
2280                         }
2281
2282                         /* Group name not found - try to parse this as gid */
2283                         bss->ctrl_interface_gid = strtol(group, &endp, 10);
2284                         if (*group == '\0' || *endp != '\0') {
2285                                 wpa_printf(MSG_DEBUG, "Line %d: Invalid group "
2286                                            "'%s'", line, group);
2287                                 errors++;
2288                                 return errors;
2289                         }
2290                         bss->ctrl_interface_gid_set = 1;
2291                         wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d",
2292                                    bss->ctrl_interface_gid);
2293 #endif /* CONFIG_NATIVE_WINDOWS */
2294 #endif /* CONFIG_NO_CTRL_IFACE */
2295 #ifdef RADIUS_SERVER
2296                 } else if (os_strcmp(buf, "radius_server_clients") == 0) {
2297                         os_free(bss->radius_server_clients);
2298                         bss->radius_server_clients = os_strdup(pos);
2299                 } else if (os_strcmp(buf, "radius_server_auth_port") == 0) {
2300                         bss->radius_server_auth_port = atoi(pos);
2301                 } else if (os_strcmp(buf, "radius_server_ipv6") == 0) {
2302                         bss->radius_server_ipv6 = atoi(pos);
2303 #endif /* RADIUS_SERVER */
2304                 } else if (os_strcmp(buf, "test_socket") == 0) {
2305                         os_free(bss->test_socket);
2306                         bss->test_socket = os_strdup(pos);
2307                 } else if (os_strcmp(buf, "use_pae_group_addr") == 0) {
2308                         bss->use_pae_group_addr = atoi(pos);
2309                 } else if (os_strcmp(buf, "hw_mode") == 0) {
2310                         if (os_strcmp(pos, "a") == 0)
2311                                 conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
2312                         else if (os_strcmp(pos, "b") == 0)
2313                                 conf->hw_mode = HOSTAPD_MODE_IEEE80211B;
2314                         else if (os_strcmp(pos, "g") == 0)
2315                                 conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
2316                         else if (os_strcmp(pos, "ad") == 0)
2317                                 conf->hw_mode = HOSTAPD_MODE_IEEE80211AD;
2318                         else {
2319                                 wpa_printf(MSG_ERROR, "Line %d: unknown "
2320                                            "hw_mode '%s'", line, pos);
2321                                 errors++;
2322                         }
2323                 } else if (os_strcmp(buf, "wps_rf_bands") == 0) {
2324                         if (os_strcmp(pos, "a") == 0)
2325                                 bss->wps_rf_bands = WPS_RF_50GHZ;
2326                         else if (os_strcmp(pos, "g") == 0 ||
2327                                  os_strcmp(pos, "b") == 0)
2328                                 bss->wps_rf_bands = WPS_RF_24GHZ;
2329                         else if (os_strcmp(pos, "ag") == 0 ||
2330                                  os_strcmp(pos, "ga") == 0)
2331                                 bss->wps_rf_bands =
2332                                         WPS_RF_24GHZ | WPS_RF_50GHZ;
2333                         else {
2334                                 wpa_printf(MSG_ERROR, "Line %d: unknown "
2335                                            "wps_rf_band '%s'", line, pos);
2336                                 errors++;
2337                         }
2338                 } else if (os_strcmp(buf, "channel") == 0) {
2339                         conf->channel = atoi(pos);
2340                 } else if (os_strcmp(buf, "beacon_int") == 0) {
2341                         int val = atoi(pos);
2342                         /* MIB defines range as 1..65535, but very small values
2343                          * cause problems with the current implementation.
2344                          * Since it is unlikely that this small numbers are
2345                          * useful in real life scenarios, do not allow beacon
2346                          * period to be set below 15 TU. */
2347                         if (val < 15 || val > 65535) {
2348                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2349                                            "beacon_int %d (expected "
2350                                            "15..65535)", line, val);
2351                                 errors++;
2352                         } else
2353                                 conf->beacon_int = val;
2354                 } else if (os_strcmp(buf, "dtim_period") == 0) {
2355                         bss->dtim_period = atoi(pos);
2356                         if (bss->dtim_period < 1 || bss->dtim_period > 255) {
2357                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2358                                            "dtim_period %d",
2359                                            line, bss->dtim_period);
2360                                 errors++;
2361                         }
2362                 } else if (os_strcmp(buf, "rts_threshold") == 0) {
2363                         conf->rts_threshold = atoi(pos);
2364                         if (conf->rts_threshold < 0 ||
2365                             conf->rts_threshold > 2347) {
2366                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2367                                            "rts_threshold %d",
2368                                            line, conf->rts_threshold);
2369                                 errors++;
2370                         }
2371                 } else if (os_strcmp(buf, "fragm_threshold") == 0) {
2372                         conf->fragm_threshold = atoi(pos);
2373                         if (conf->fragm_threshold < 256 ||
2374                             conf->fragm_threshold > 2346) {
2375                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2376                                            "fragm_threshold %d",
2377                                            line, conf->fragm_threshold);
2378                                 errors++;
2379                         }
2380                 } else if (os_strcmp(buf, "send_probe_response") == 0) {
2381                         int val = atoi(pos);
2382                         if (val != 0 && val != 1) {
2383                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2384                                            "send_probe_response %d (expected "
2385                                            "0 or 1)", line, val);
2386                         } else
2387                                 conf->send_probe_response = val;
2388                 } else if (os_strcmp(buf, "supported_rates") == 0) {
2389                         if (hostapd_parse_rates(&conf->supported_rates, pos)) {
2390                                 wpa_printf(MSG_ERROR, "Line %d: invalid rate "
2391                                            "list", line);
2392                                 errors++;
2393                         }
2394                 } else if (os_strcmp(buf, "basic_rates") == 0) {
2395                         if (hostapd_parse_rates(&conf->basic_rates, pos)) {
2396                                 wpa_printf(MSG_ERROR, "Line %d: invalid rate "
2397                                            "list", line);
2398                                 errors++;
2399                         }
2400                 } else if (os_strcmp(buf, "preamble") == 0) {
2401                         if (atoi(pos))
2402                                 conf->preamble = SHORT_PREAMBLE;
2403                         else
2404                                 conf->preamble = LONG_PREAMBLE;
2405                 } else if (os_strcmp(buf, "ignore_broadcast_ssid") == 0) {
2406                         bss->ignore_broadcast_ssid = atoi(pos);
2407                 } else if (os_strcmp(buf, "wep_default_key") == 0) {
2408                         bss->ssid.wep.idx = atoi(pos);
2409                         if (bss->ssid.wep.idx > 3) {
2410                                 wpa_printf(MSG_ERROR, "Invalid "
2411                                            "wep_default_key index %d",
2412                                            bss->ssid.wep.idx);
2413                                 errors++;
2414                         }
2415                 } else if (os_strcmp(buf, "wep_key0") == 0 ||
2416                            os_strcmp(buf, "wep_key1") == 0 ||
2417                            os_strcmp(buf, "wep_key2") == 0 ||
2418                            os_strcmp(buf, "wep_key3") == 0) {
2419                         if (hostapd_config_read_wep(&bss->ssid.wep,
2420                                                     buf[7] - '0', pos)) {
2421                                 wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
2422                                            "key '%s'", line, buf);
2423                                 errors++;
2424                         }
2425 #ifndef CONFIG_NO_VLAN
2426                 } else if (os_strcmp(buf, "dynamic_vlan") == 0) {
2427                         bss->ssid.dynamic_vlan = atoi(pos);
2428                 } else if (os_strcmp(buf, "vlan_file") == 0) {
2429                         if (hostapd_config_read_vlan_file(bss, pos)) {
2430                                 wpa_printf(MSG_ERROR, "Line %d: failed to "
2431                                            "read VLAN file '%s'", line, pos);
2432                                 errors++;
2433                         }
2434                 } else if (os_strcmp(buf, "vlan_naming") == 0) {
2435                         bss->ssid.vlan_naming = atoi(pos);
2436                         if (bss->ssid.vlan_naming >= DYNAMIC_VLAN_NAMING_END ||
2437                             bss->ssid.vlan_naming < 0) {
2438                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2439                                            "naming scheme %d", line,
2440                                            bss->ssid.vlan_naming);
2441                                 errors++;
2442                         }
2443 #ifdef CONFIG_FULL_DYNAMIC_VLAN
2444                 } else if (os_strcmp(buf, "vlan_tagged_interface") == 0) {
2445                         bss->ssid.vlan_tagged_interface = os_strdup(pos);
2446 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
2447 #endif /* CONFIG_NO_VLAN */
2448                 } else if (os_strcmp(buf, "ap_table_max_size") == 0) {
2449                         conf->ap_table_max_size = atoi(pos);
2450                 } else if (os_strcmp(buf, "ap_table_expiration_time") == 0) {
2451                         conf->ap_table_expiration_time = atoi(pos);
2452                 } else if (os_strncmp(buf, "tx_queue_", 9) == 0) {
2453                         if (hostapd_config_tx_queue(conf, buf, pos)) {
2454                                 wpa_printf(MSG_ERROR, "Line %d: invalid TX "
2455                                            "queue item", line);
2456                                 errors++;
2457                         }
2458                 } else if (os_strcmp(buf, "wme_enabled") == 0 ||
2459                            os_strcmp(buf, "wmm_enabled") == 0) {
2460                         bss->wmm_enabled = atoi(pos);
2461                 } else if (os_strcmp(buf, "uapsd_advertisement_enabled") == 0) {
2462                         bss->wmm_uapsd = atoi(pos);
2463                 } else if (os_strncmp(buf, "wme_ac_", 7) == 0 ||
2464                            os_strncmp(buf, "wmm_ac_", 7) == 0) {
2465                         if (hostapd_config_wmm_ac(conf->wmm_ac_params, buf,
2466                                                   pos)) {
2467                                 wpa_printf(MSG_ERROR, "Line %d: invalid WMM "
2468                                            "ac item", line);
2469                                 errors++;
2470                         }
2471                 } else if (os_strcmp(buf, "bss") == 0) {
2472                         if (hostapd_config_bss(conf, pos)) {
2473                                 wpa_printf(MSG_ERROR, "Line %d: invalid bss "
2474                                            "item", line);
2475                                 errors++;
2476                         }
2477                 } else if (os_strcmp(buf, "bssid") == 0) {
2478                         if (hwaddr_aton(pos, bss->bssid)) {
2479                                 wpa_printf(MSG_ERROR, "Line %d: invalid bssid "
2480                                            "item", line);
2481                                 errors++;
2482                         }
2483 #ifdef CONFIG_IEEE80211W
2484                 } else if (os_strcmp(buf, "ieee80211w") == 0) {
2485                         bss->ieee80211w = atoi(pos);
2486                 } else if (os_strcmp(buf, "assoc_sa_query_max_timeout") == 0) {
2487                         bss->assoc_sa_query_max_timeout = atoi(pos);
2488                         if (bss->assoc_sa_query_max_timeout == 0) {
2489                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2490                                            "assoc_sa_query_max_timeout", line);
2491                                 errors++;
2492                         }
2493                 } else if (os_strcmp(buf, "assoc_sa_query_retry_timeout") == 0)
2494                 {
2495                         bss->assoc_sa_query_retry_timeout = atoi(pos);
2496                         if (bss->assoc_sa_query_retry_timeout == 0) {
2497                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2498                                            "assoc_sa_query_retry_timeout",
2499                                            line);
2500                                 errors++;
2501                         }
2502 #endif /* CONFIG_IEEE80211W */
2503 #ifdef CONFIG_IEEE80211N
2504                 } else if (os_strcmp(buf, "ieee80211n") == 0) {
2505                         conf->ieee80211n = atoi(pos);
2506                 } else if (os_strcmp(buf, "ht_capab") == 0) {
2507                         if (hostapd_config_ht_capab(conf, pos) < 0) {
2508                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2509                                            "ht_capab", line);
2510                                 errors++;
2511                         }
2512                 } else if (os_strcmp(buf, "require_ht") == 0) {
2513                         conf->require_ht = atoi(pos);
2514 #endif /* CONFIG_IEEE80211N */
2515 #ifdef CONFIG_IEEE80211AC
2516                 } else if (os_strcmp(buf, "ieee80211ac") == 0) {
2517                         conf->ieee80211ac = atoi(pos);
2518                 } else if (os_strcmp(buf, "vht_capab") == 0) {
2519                         if (hostapd_config_vht_capab(conf, pos) < 0) {
2520                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2521                                            "vht_capab", line);
2522                                 errors++;
2523                         }
2524                 } else if (os_strcmp(buf, "require_vht") == 0) {
2525                         conf->require_vht = atoi(pos);
2526                 } else if (os_strcmp(buf, "vht_oper_chwidth") == 0) {
2527                         conf->vht_oper_chwidth = atoi(pos);
2528                 } else if (os_strcmp(buf, "vht_oper_centr_freq_seg0_idx") == 0)
2529                 {
2530                         conf->vht_oper_centr_freq_seg0_idx = atoi(pos);
2531                 } else if (os_strcmp(buf, "vht_oper_centr_freq_seg1_idx") == 0)
2532                 {
2533                         conf->vht_oper_centr_freq_seg1_idx = atoi(pos);
2534 #endif /* CONFIG_IEEE80211AC */
2535                 } else if (os_strcmp(buf, "max_listen_interval") == 0) {
2536                         bss->max_listen_interval = atoi(pos);
2537                 } else if (os_strcmp(buf, "disable_pmksa_caching") == 0) {
2538                         bss->disable_pmksa_caching = atoi(pos);
2539                 } else if (os_strcmp(buf, "okc") == 0) {
2540                         bss->okc = atoi(pos);
2541 #ifdef CONFIG_WPS
2542                 } else if (os_strcmp(buf, "wps_state") == 0) {
2543                         bss->wps_state = atoi(pos);
2544                         if (bss->wps_state < 0 || bss->wps_state > 2) {
2545                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2546                                            "wps_state", line);
2547                                 errors++;
2548                         }
2549                 } else if (os_strcmp(buf, "ap_setup_locked") == 0) {
2550                         bss->ap_setup_locked = atoi(pos);
2551                 } else if (os_strcmp(buf, "uuid") == 0) {
2552                         if (uuid_str2bin(pos, bss->uuid)) {
2553                                 wpa_printf(MSG_ERROR, "Line %d: invalid UUID",
2554                                            line);
2555                                 errors++;
2556                         }
2557                 } else if (os_strcmp(buf, "wps_pin_requests") == 0) {
2558                         os_free(bss->wps_pin_requests);
2559                         bss->wps_pin_requests = os_strdup(pos);
2560                 } else if (os_strcmp(buf, "device_name") == 0) {
2561                         if (os_strlen(pos) > 32) {
2562                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
2563                                            "device_name", line);
2564                                 errors++;
2565                         }
2566                         os_free(bss->device_name);
2567                         bss->device_name = os_strdup(pos);
2568                 } else if (os_strcmp(buf, "manufacturer") == 0) {
2569                         if (os_strlen(pos) > 64) {
2570                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
2571                                            "manufacturer", line);
2572                                 errors++;
2573                         }
2574                         os_free(bss->manufacturer);
2575                         bss->manufacturer = os_strdup(pos);
2576                 } else if (os_strcmp(buf, "model_name") == 0) {
2577                         if (os_strlen(pos) > 32) {
2578                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
2579                                            "model_name", line);
2580                                 errors++;
2581                         }
2582                         os_free(bss->model_name);
2583                         bss->model_name = os_strdup(pos);
2584                 } else if (os_strcmp(buf, "model_number") == 0) {
2585                         if (os_strlen(pos) > 32) {
2586                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
2587                                            "model_number", line);
2588                                 errors++;
2589                         }
2590                         os_free(bss->model_number);
2591                         bss->model_number = os_strdup(pos);
2592                 } else if (os_strcmp(buf, "serial_number") == 0) {
2593                         if (os_strlen(pos) > 32) {
2594                                 wpa_printf(MSG_ERROR, "Line %d: Too long "
2595                                            "serial_number", line);
2596                                 errors++;
2597                         }
2598                         os_free(bss->serial_number);
2599                         bss->serial_number = os_strdup(pos);
2600                 } else if (os_strcmp(buf, "device_type") == 0) {
2601                         if (wps_dev_type_str2bin(pos, bss->device_type))
2602                                 errors++;
2603                 } else if (os_strcmp(buf, "config_methods") == 0) {
2604                         os_free(bss->config_methods);
2605                         bss->config_methods = os_strdup(pos);
2606                 } else if (os_strcmp(buf, "os_version") == 0) {
2607                         if (hexstr2bin(pos, bss->os_version, 4)) {
2608                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2609                                            "os_version", line);
2610                                 errors++;
2611                         }
2612                 } else if (os_strcmp(buf, "ap_pin") == 0) {
2613                         os_free(bss->ap_pin);
2614                         bss->ap_pin = os_strdup(pos);
2615                 } else if (os_strcmp(buf, "skip_cred_build") == 0) {
2616                         bss->skip_cred_build = atoi(pos);
2617                 } else if (os_strcmp(buf, "extra_cred") == 0) {
2618                         os_free(bss->extra_cred);
2619                         bss->extra_cred =
2620                                 (u8 *) os_readfile(pos, &bss->extra_cred_len);
2621                         if (bss->extra_cred == NULL) {
2622                                 wpa_printf(MSG_ERROR, "Line %d: could not "
2623                                            "read Credentials from '%s'",
2624                                            line, pos);
2625                                 errors++;
2626                         }
2627                 } else if (os_strcmp(buf, "wps_cred_processing") == 0) {
2628                         bss->wps_cred_processing = atoi(pos);
2629                 } else if (os_strcmp(buf, "ap_settings") == 0) {
2630                         os_free(bss->ap_settings);
2631                         bss->ap_settings =
2632                                 (u8 *) os_readfile(pos, &bss->ap_settings_len);
2633                         if (bss->ap_settings == NULL) {
2634                                 wpa_printf(MSG_ERROR, "Line %d: could not "
2635                                            "read AP Settings from '%s'",
2636                                            line, pos);
2637                                 errors++;
2638                         }
2639                 } else if (os_strcmp(buf, "upnp_iface") == 0) {
2640                         bss->upnp_iface = os_strdup(pos);
2641                 } else if (os_strcmp(buf, "friendly_name") == 0) {
2642                         os_free(bss->friendly_name);
2643                         bss->friendly_name = os_strdup(pos);
2644                 } else if (os_strcmp(buf, "manufacturer_url") == 0) {
2645                         os_free(bss->manufacturer_url);
2646                         bss->manufacturer_url = os_strdup(pos);
2647                 } else if (os_strcmp(buf, "model_description") == 0) {
2648                         os_free(bss->model_description);
2649                         bss->model_description = os_strdup(pos);
2650                 } else if (os_strcmp(buf, "model_url") == 0) {
2651                         os_free(bss->model_url);
2652                         bss->model_url = os_strdup(pos);
2653                 } else if (os_strcmp(buf, "upc") == 0) {
2654                         os_free(bss->upc);
2655                         bss->upc = os_strdup(pos);
2656                 } else if (os_strcmp(buf, "pbc_in_m1") == 0) {
2657                         bss->pbc_in_m1 = atoi(pos);
2658 #ifdef CONFIG_WPS_NFC
2659                 } else if (os_strcmp(buf, "wps_nfc_dev_pw_id") == 0) {
2660                         bss->wps_nfc_dev_pw_id = atoi(pos);
2661                         if (bss->wps_nfc_dev_pw_id < 0x10 ||
2662                             bss->wps_nfc_dev_pw_id > 0xffff) {
2663                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2664                                            "wps_nfc_dev_pw_id value", line);
2665                                 errors++;
2666                         }
2667                 } else if (os_strcmp(buf, "wps_nfc_dh_pubkey") == 0) {
2668                         wpabuf_free(bss->wps_nfc_dh_pubkey);
2669                         bss->wps_nfc_dh_pubkey = hostapd_parse_bin(pos);
2670                 } else if (os_strcmp(buf, "wps_nfc_dh_privkey") == 0) {
2671                         wpabuf_free(bss->wps_nfc_dh_privkey);
2672                         bss->wps_nfc_dh_privkey = hostapd_parse_bin(pos);
2673                 } else if (os_strcmp(buf, "wps_nfc_dev_pw") == 0) {
2674                         wpabuf_free(bss->wps_nfc_dev_pw);
2675                         bss->wps_nfc_dev_pw = hostapd_parse_bin(pos);
2676 #endif /* CONFIG_WPS_NFC */
2677 #endif /* CONFIG_WPS */
2678 #ifdef CONFIG_P2P_MANAGER
2679                 } else if (os_strcmp(buf, "manage_p2p") == 0) {
2680                         int manage = atoi(pos);
2681                         if (manage)
2682                                 bss->p2p |= P2P_MANAGE;
2683                         else
2684                                 bss->p2p &= ~P2P_MANAGE;
2685                 } else if (os_strcmp(buf, "allow_cross_connection") == 0) {
2686                         if (atoi(pos))
2687                                 bss->p2p |= P2P_ALLOW_CROSS_CONNECTION;
2688                         else
2689                                 bss->p2p &= ~P2P_ALLOW_CROSS_CONNECTION;
2690 #endif /* CONFIG_P2P_MANAGER */
2691                 } else if (os_strcmp(buf, "disassoc_low_ack") == 0) {
2692                         bss->disassoc_low_ack = atoi(pos);
2693                 } else if (os_strcmp(buf, "tdls_prohibit") == 0) {
2694                         int val = atoi(pos);
2695                         if (val)
2696                                 bss->tdls |= TDLS_PROHIBIT;
2697                         else
2698                                 bss->tdls &= ~TDLS_PROHIBIT;
2699                 } else if (os_strcmp(buf, "tdls_prohibit_chan_switch") == 0) {
2700                         int val = atoi(pos);
2701                         if (val)
2702                                 bss->tdls |= TDLS_PROHIBIT_CHAN_SWITCH;
2703                         else
2704                                 bss->tdls &= ~TDLS_PROHIBIT_CHAN_SWITCH;
2705 #ifdef CONFIG_RSN_TESTING
2706                 } else if (os_strcmp(buf, "rsn_testing") == 0) {
2707                         extern int rsn_testing;
2708                         rsn_testing = atoi(pos);
2709 #endif /* CONFIG_RSN_TESTING */
2710                 } else if (os_strcmp(buf, "time_advertisement") == 0) {
2711                         bss->time_advertisement = atoi(pos);
2712                 } else if (os_strcmp(buf, "time_zone") == 0) {
2713                         size_t tz_len = os_strlen(pos);
2714                         if (tz_len < 4 || tz_len > 255) {
2715                                 wpa_printf(MSG_DEBUG, "Line %d: invalid "
2716                                            "time_zone", line);
2717                                 errors++;
2718                                 return errors;
2719                         }
2720                         os_free(bss->time_zone);
2721                         bss->time_zone = os_strdup(pos);
2722                         if (bss->time_zone == NULL)
2723                                 errors++;
2724 #ifdef CONFIG_WNM
2725                 } else if (os_strcmp(buf, "wnm_sleep_mode") == 0) {
2726                         bss->wnm_sleep_mode = atoi(pos);
2727                 } else if (os_strcmp(buf, "bss_transition") == 0) {
2728                         bss->bss_transition = atoi(pos);
2729 #endif /* CONFIG_WNM */
2730 #ifdef CONFIG_INTERWORKING
2731                 } else if (os_strcmp(buf, "interworking") == 0) {
2732                         bss->interworking = atoi(pos);
2733                 } else if (os_strcmp(buf, "access_network_type") == 0) {
2734                         bss->access_network_type = atoi(pos);
2735                         if (bss->access_network_type < 0 ||
2736                             bss->access_network_type > 15) {
2737                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2738                                            "access_network_type", line);
2739                                 errors++;
2740                         }
2741                 } else if (os_strcmp(buf, "internet") == 0) {
2742                         bss->internet = atoi(pos);
2743                 } else if (os_strcmp(buf, "asra") == 0) {
2744                         bss->asra = atoi(pos);
2745                 } else if (os_strcmp(buf, "esr") == 0) {
2746                         bss->esr = atoi(pos);
2747                 } else if (os_strcmp(buf, "uesa") == 0) {
2748                         bss->uesa = atoi(pos);
2749                 } else if (os_strcmp(buf, "venue_group") == 0) {
2750                         bss->venue_group = atoi(pos);
2751                         bss->venue_info_set = 1;
2752                 } else if (os_strcmp(buf, "venue_type") == 0) {
2753                         bss->venue_type = atoi(pos);
2754                         bss->venue_info_set = 1;
2755                 } else if (os_strcmp(buf, "hessid") == 0) {
2756                         if (hwaddr_aton(pos, bss->hessid)) {
2757                                 wpa_printf(MSG_ERROR, "Line %d: invalid "
2758                                            "hessid", line);
2759                                 errors++;
2760                         }
2761                 } else if (os_strcmp(buf, "roaming_consortium") == 0) {
2762                         if (parse_roaming_consortium(bss, pos, line) < 0)
2763                                 errors++;
2764                 } else if (os_strcmp(buf, "venue_name") == 0) {
2765                         if (parse_venue_name(bss, pos, line) < 0)
2766                                 errors++;
2767                 } else if (os_strcmp(buf, "network_auth_type") == 0) {
2768                         u8 auth_type;
2769                         u16 redirect_url_len;
2770                         if (hexstr2bin(pos, &auth_type, 1)) {
2771                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2772                                            "network_auth_type '%s'",
2773                                            line, pos);
2774                                 errors++;
2775                                 return errors;
2776                         }
2777                         if (auth_type == 0 || auth_type == 2)
2778                                 redirect_url_len = os_strlen(pos + 2);
2779                         else
2780                                 redirect_url_len = 0;
2781                         os_free(bss->network_auth_type);
2782                         bss->network_auth_type =
2783                                 os_malloc(redirect_url_len + 3 + 1);
2784                         if (bss->network_auth_type == NULL) {
2785                                 errors++;
2786                                 return errors;
2787                         }
2788                         *bss->network_auth_type = auth_type;
2789                         WPA_PUT_LE16(bss->network_auth_type + 1,
2790                                      redirect_url_len);
2791                         if (redirect_url_len)
2792                                 os_memcpy(bss->network_auth_type + 3,
2793                                           pos + 2, redirect_url_len);
2794                         bss->network_auth_type_len = 3 + redirect_url_len;
2795                 } else if (os_strcmp(buf, "ipaddr_type_availability") == 0) {
2796                         if (hexstr2bin(pos, &bss->ipaddr_type_availability, 1))
2797                         {
2798                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2799                                            "ipaddr_type_availability '%s'",
2800                                            line, pos);
2801                                 bss->ipaddr_type_configured = 0;
2802                                 errors++;
2803                                 return errors;
2804                         }
2805                         bss->ipaddr_type_configured = 1;
2806                 } else if (os_strcmp(buf, "domain_name") == 0) {
2807                         int j, num_domains, domain_len, domain_list_len = 0;
2808                         char *tok_start, *tok_prev;
2809                         u8 *domain_list, *domain_ptr;
2810
2811                         domain_list_len = os_strlen(pos) + 1;
2812                         domain_list = os_malloc(domain_list_len);
2813                         if (domain_list == NULL) {
2814                                 errors++;
2815                                 return errors;
2816                         }
2817
2818                         domain_ptr = domain_list;
2819                         tok_prev = pos;
2820                         num_domains = 1;
2821                         while ((tok_prev = os_strchr(tok_prev, ','))) {
2822                                 num_domains++;
2823                                 tok_prev++;
2824                         }
2825                         tok_prev = pos;
2826                         for (j = 0; j < num_domains; j++) {
2827                                 tok_start = os_strchr(tok_prev, ',');
2828                                 if (tok_start) {
2829                                         domain_len = tok_start - tok_prev;
2830                                         *domain_ptr = domain_len;
2831                                         os_memcpy(domain_ptr + 1, tok_prev,
2832                                                   domain_len);
2833                                         domain_ptr += domain_len + 1;
2834                                         tok_prev = ++tok_start;
2835                                 } else {
2836                                         domain_len = os_strlen(tok_prev);
2837                                         *domain_ptr = domain_len;
2838                                         os_memcpy(domain_ptr + 1, tok_prev,
2839                                                   domain_len);
2840                                         domain_ptr += domain_len + 1;
2841                                 }
2842                         }
2843
2844                         os_free(bss->domain_name);
2845                         bss->domain_name = domain_list;
2846                         bss->domain_name_len = domain_list_len;
2847                 } else if (os_strcmp(buf, "anqp_3gpp_cell_net") == 0) {
2848                         if (parse_3gpp_cell_net(bss, pos, line) < 0)
2849                                 errors++;
2850                 } else if (os_strcmp(buf, "nai_realm") == 0) {
2851                         if (parse_nai_realm(bss, pos, line) < 0)
2852                                 errors++;
2853                 } else if (os_strcmp(buf, "gas_frag_limit") == 0) {
2854                         bss->gas_frag_limit = atoi(pos);
2855                 } else if (os_strcmp(buf, "gas_comeback_delay") == 0) {
2856                         bss->gas_comeback_delay = atoi(pos);
2857 #endif /* CONFIG_INTERWORKING */
2858 #ifdef CONFIG_RADIUS_TEST
2859                 } else if (os_strcmp(buf, "dump_msk_file") == 0) {
2860                         os_free(bss->dump_msk_file);
2861                         bss->dump_msk_file = os_strdup(pos);
2862 #endif /* CONFIG_RADIUS_TEST */
2863 #ifdef CONFIG_HS20
2864                 } else if (os_strcmp(buf, "hs20") == 0) {
2865                         bss->hs20 = atoi(pos);
2866                 } else if (os_strcmp(buf, "disable_dgaf") == 0) {
2867                         bss->disable_dgaf = atoi(pos);
2868                 } else if (os_strcmp(buf, "hs20_oper_friendly_name") == 0) {
2869                         if (hs20_parse_oper_friendly_name(bss, pos, line) < 0)
2870                                 errors++;
2871                 } else if (os_strcmp(buf, "hs20_wan_metrics") == 0) {
2872                         if (hs20_parse_wan_metrics(bss, pos, line) < 0) {
2873                                 errors++;
2874                                 return errors;
2875                         }
2876                 } else if (os_strcmp(buf, "hs20_conn_capab") == 0) {
2877                         if (hs20_parse_conn_capab(bss, pos, line) < 0) {
2878                                 errors++;
2879                                 return errors;
2880                         }
2881                 } else if (os_strcmp(buf, "hs20_operating_class") == 0) {
2882                         u8 *oper_class;
2883                         size_t oper_class_len;
2884                         oper_class_len = os_strlen(pos);
2885                         if (oper_class_len < 2 || (oper_class_len & 0x01)) {
2886                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2887                                            "hs20_operating_class '%s'",
2888                                            line, pos);
2889                                 errors++;
2890                                 return errors;
2891                         }
2892                         oper_class_len /= 2;
2893                         oper_class = os_malloc(oper_class_len);
2894                         if (oper_class == NULL) {
2895                                 errors++;
2896                                 return errors;
2897                         }
2898                         if (hexstr2bin(pos, oper_class, oper_class_len)) {
2899                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2900                                            "hs20_operating_class '%s'",
2901                                            line, pos);
2902                                 os_free(oper_class);
2903                                 errors++;
2904                                 return errors;
2905                         }
2906                         os_free(bss->hs20_operating_class);
2907                         bss->hs20_operating_class = oper_class;
2908                         bss->hs20_operating_class_len = oper_class_len;
2909 #endif /* CONFIG_HS20 */
2910                 } else if (os_strcmp(buf, "vendor_elements") == 0) {
2911                         struct wpabuf *elems;
2912                         size_t len = os_strlen(pos);
2913                         if (len & 0x01) {
2914                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2915                                            "vendor_elements '%s'", line, pos);
2916                                 return 1;
2917                         }
2918                         len /= 2;
2919                         if (len == 0) {
2920                                 wpabuf_free(bss->vendor_elements);
2921                                 bss->vendor_elements = NULL;
2922                                 return 0;
2923                         }
2924
2925                         elems = wpabuf_alloc(len);
2926                         if (elems == NULL)
2927                                 return 1;
2928
2929                         if (hexstr2bin(pos, wpabuf_put(elems, len), len)) {
2930                                 wpabuf_free(elems);
2931                                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
2932                                            "vendor_elements '%s'", line, pos);
2933                                 return 1;
2934                         }
2935
2936                         wpabuf_free(bss->vendor_elements);
2937                         bss->vendor_elements = elems;
2938                 } else {
2939                         wpa_printf(MSG_ERROR, "Line %d: unknown configuration "
2940                                    "item '%s'", line, buf);
2941                         errors++;
2942                 }
2943         }
2944
2945         return errors;
2946 }
2947
2948
2949 static void hostapd_set_security_params(struct hostapd_bss_config *bss)
2950 {
2951         int pairwise;
2952
2953         if (bss->individual_wep_key_len == 0) {
2954                 /* individual keys are not use; can use key idx0 for
2955                  * broadcast keys */
2956                 bss->broadcast_key_idx_min = 0;
2957         }
2958
2959         /* Select group cipher based on the enabled pairwise cipher
2960          * suites */
2961         pairwise = 0;
2962         if (bss->wpa & 1)
2963                 pairwise |= bss->wpa_pairwise;
2964         if (bss->wpa & 2) {
2965                 if (bss->rsn_pairwise == 0)
2966                         bss->rsn_pairwise = bss->wpa_pairwise;
2967                 pairwise |= bss->rsn_pairwise;
2968         }
2969         if (pairwise & WPA_CIPHER_TKIP)
2970                 bss->wpa_group = WPA_CIPHER_TKIP;
2971         else if ((pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP)) ==
2972                  WPA_CIPHER_GCMP)
2973                 bss->wpa_group = WPA_CIPHER_GCMP;
2974         else
2975                 bss->wpa_group = WPA_CIPHER_CCMP;
2976
2977         bss->radius->auth_server = bss->radius->auth_servers;
2978         bss->radius->acct_server = bss->radius->acct_servers;
2979
2980         if (bss->wpa && bss->ieee802_1x) {
2981                 bss->ssid.security_policy = SECURITY_WPA;
2982         } else if (bss->wpa) {
2983                 bss->ssid.security_policy = SECURITY_WPA_PSK;
2984         } else if (bss->ieee802_1x) {
2985                 int cipher = WPA_CIPHER_NONE;
2986                 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
2987                 bss->ssid.wep.default_len = bss->default_wep_key_len;
2988                 if (bss->default_wep_key_len)
2989                         cipher = bss->default_wep_key_len >= 13 ?
2990                                 WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
2991                 bss->wpa_group = cipher;
2992                 bss->wpa_pairwise = cipher;
2993                 bss->rsn_pairwise = cipher;
2994         } else if (bss->ssid.wep.keys_set) {
2995                 int cipher = WPA_CIPHER_WEP40;
2996                 if (bss->ssid.wep.len[0] >= 13)
2997                         cipher = WPA_CIPHER_WEP104;
2998                 bss->ssid.security_policy = SECURITY_STATIC_WEP;
2999                 bss->wpa_group = cipher;
3000                 bss->wpa_pairwise = cipher;
3001                 bss->rsn_pairwise = cipher;
3002         } else {
3003                 bss->ssid.security_policy = SECURITY_PLAINTEXT;
3004                 bss->wpa_group = WPA_CIPHER_NONE;
3005                 bss->wpa_pairwise = WPA_CIPHER_NONE;
3006                 bss->rsn_pairwise = WPA_CIPHER_NONE;
3007         }
3008 }
3009
3010
3011 /**
3012  * hostapd_config_read - Read and parse a configuration file
3013  * @fname: Configuration file name (including path, if needed)
3014  * Returns: Allocated configuration data structure
3015  */
3016 struct hostapd_config * hostapd_config_read(const char *fname)
3017 {
3018         struct hostapd_config *conf;
3019         struct hostapd_bss_config *bss;
3020         FILE *f;
3021         char buf[512], *pos;
3022         int line = 0;
3023         int errors = 0;
3024         size_t i;
3025
3026         f = fopen(fname, "r");
3027         if (f == NULL) {
3028                 wpa_printf(MSG_ERROR, "Could not open configuration file '%s' "
3029                            "for reading.", fname);
3030                 return NULL;
3031         }
3032
3033         conf = hostapd_config_defaults();
3034         if (conf == NULL) {
3035                 fclose(f);
3036                 return NULL;
3037         }
3038
3039         /* set default driver based on configuration */
3040         conf->driver = wpa_drivers[0];
3041         if (conf->driver == NULL) {
3042                 wpa_printf(MSG_ERROR, "No driver wrappers registered!");
3043                 hostapd_config_free(conf);
3044                 fclose(f);
3045                 return NULL;
3046         }
3047
3048         bss = conf->last_bss = conf->bss;
3049
3050         while (fgets(buf, sizeof(buf), f)) {
3051                 bss = conf->last_bss;
3052                 line++;
3053
3054                 if (buf[0] == '#')
3055                         continue;
3056                 pos = buf;
3057                 while (*pos != '\0') {
3058                         if (*pos == '\n') {
3059                                 *pos = '\0';
3060                                 break;
3061                         }
3062                         pos++;
3063                 }
3064                 if (buf[0] == '\0')
3065                         continue;
3066
3067                 pos = os_strchr(buf, '=');
3068                 if (pos == NULL) {
3069                         wpa_printf(MSG_ERROR, "Line %d: invalid line '%s'",
3070                                    line, buf);
3071                         errors++;
3072                         continue;
3073                 }
3074                 *pos = '\0';
3075                 pos++;
3076                 errors += hostapd_config_fill(conf, bss, buf, pos, line);
3077         }
3078
3079         fclose(f);
3080
3081         for (i = 0; i < conf->num_bss; i++)
3082                 hostapd_set_security_params(&conf->bss[i]);
3083
3084         if (hostapd_config_check(conf))
3085                 errors++;
3086
3087 #ifndef WPA_IGNORE_CONFIG_ERRORS
3088         if (errors) {
3089                 wpa_printf(MSG_ERROR, "%d errors found in configuration file "
3090                            "'%s'", errors, fname);
3091                 hostapd_config_free(conf);
3092                 conf = NULL;
3093         }
3094 #endif /* WPA_IGNORE_CONFIG_ERRORS */
3095
3096         return conf;
3097 }
3098
3099
3100 int hostapd_set_iface(struct hostapd_config *conf,
3101                       struct hostapd_bss_config *bss, char *field, char *value)
3102 {
3103         int errors;
3104         size_t i;
3105
3106         errors = hostapd_config_fill(conf, bss, field, value, 0);
3107         if (errors) {
3108                 wpa_printf(MSG_INFO, "Failed to set configuration field '%s' "
3109                            "to value '%s'", field, value);
3110                 return -1;
3111         }
3112
3113         for (i = 0; i < conf->num_bss; i++)
3114                 hostapd_set_security_params(&conf->bss[i]);
3115
3116         if (hostapd_config_check(conf)) {
3117                 wpa_printf(MSG_ERROR, "Configuration check failed");
3118                 return -1;
3119         }
3120
3121         return 0;
3122 }