hostapd/config_file.c

   1 /*
   2  * hostapd / Configuration file parser
   3  * Copyright (c) 2003-2014, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "utils/includes.h"
  10 #ifndef CONFIG_NATIVE_WINDOWS
  11 #include <grp.h>
  12 #endif /* CONFIG_NATIVE_WINDOWS */
  13
  14 #include "utils/common.h"
  15 #include "utils/uuid.h"
  16 #include "common/ieee802_11_defs.h"
  17 #include "drivers/driver.h"
  18 #include "eap_server/eap.h"
  19 #include "radius/radius_client.h"
  20 #include "ap/wpa_auth.h"
  21 #include "ap/ap_config.h"
  22 #include "config_file.h"
  23
  24
  25 #ifndef CONFIG_NO_RADIUS
  26 #ifdef EAP_SERVER
  27 static struct hostapd_radius_attr *
  28 hostapd_parse_radius_attr(const char *value);
  29 #endif /* EAP_SERVER */
  30 #endif /* CONFIG_NO_RADIUS */
  31
  32
  33 #ifndef CONFIG_NO_VLAN
  34 static int hostapd_config_read_vlan_file(struct hostapd_bss_config *bss,
  35                                          const char *fname)
  36 {
  37         FILE *f;
  38         char buf[128], *pos, *pos2;
  39         int line = 0, vlan_id;
  40         struct hostapd_vlan *vlan;
  41
  42         f = fopen(fname, "r");
  43         if (!f) {
  44                 wpa_printf(MSG_ERROR, "VLAN file '%s' not readable.", fname);
  45                 return -1;
  46         }
  47
  48         while (fgets(buf, sizeof(buf), f)) {
  49                 line++;
  50
  51                 if (buf[0] == '#')
  52                         continue;
  53                 pos = buf;
  54                 while (*pos != '\0') {
  55                         if (*pos == '\n') {
  56                                 *pos = '\0';
  57                                 break;
  58                         }
  59                         pos++;
  60                 }
  61                 if (buf[0] == '\0')
  62                         continue;
  63
  64                 if (buf[0] == '*') {
  65                         vlan_id = VLAN_ID_WILDCARD;
  66                         pos = buf + 1;
  67                 } else {
  68                         vlan_id = strtol(buf, &pos, 10);
  69                         if (buf == pos || vlan_id < 1 ||
  70                             vlan_id > MAX_VLAN_ID) {
  71                                 wpa_printf(MSG_ERROR, "Invalid VLAN ID at "
  72                                            "line %d in '%s'", line, fname);
  73                                 fclose(f);
  74                                 return -1;
  75                         }
  76                 }
  77
  78                 while (*pos == ' ' || *pos == '\t')
  79                         pos++;
  80                 pos2 = pos;
  81                 while (*pos2 != ' ' && *pos2 != '\t' && *pos2 != '\0')
  82                         pos2++;
  83                 *pos2 = '\0';
  84                 if (*pos == '\0' || os_strlen(pos) > IFNAMSIZ) {
  85                         wpa_printf(MSG_ERROR, "Invalid VLAN ifname at line %d "
  86                                    "in '%s'", line, fname);
  87                         fclose(f);
  88                         return -1;
  89                 }
  90
  91                 vlan = os_zalloc(sizeof(*vlan));
  92                 if (vlan == NULL) {
  93                         wpa_printf(MSG_ERROR, "Out of memory while reading "
  94                                    "VLAN interfaces from '%s'", fname);
  95                         fclose(f);
  96                         return -1;
  97                 }
  98
  99                 vlan->vlan_id = vlan_id;
 100                 os_strlcpy(vlan->ifname, pos, sizeof(vlan->ifname));
 101                 vlan->next = bss->vlan;
 102                 bss->vlan = vlan;
 103         }
 104
 105         fclose(f);
 106
 107         return 0;
 108 }
 109 #endif /* CONFIG_NO_VLAN */
 110
 111
 112 static int hostapd_acl_comp(const void *a, const void *b)
 113 {
 114         const struct mac_acl_entry *aa = a;
 115         const struct mac_acl_entry *bb = b;
 116         return os_memcmp(aa->addr, bb->addr, sizeof(macaddr));
 117 }
 118
 119
 120 static int hostapd_config_read_maclist(const char *fname,
 121                                        struct mac_acl_entry **acl, int *num)
 122 {
 123         FILE *f;
 124         char buf[128], *pos;
 125         int line = 0;
 126         u8 addr[ETH_ALEN];
 127         struct mac_acl_entry *newacl;
 128         int vlan_id;
 129
 130         if (!fname)
 131                 return 0;
 132
 133         f = fopen(fname, "r");
 134         if (!f) {
 135                 wpa_printf(MSG_ERROR, "MAC list file '%s' not found.", fname);
 136                 return -1;
 137         }
 138
 139         while (fgets(buf, sizeof(buf), f)) {
 140                 int i, rem = 0;
 141
 142                 line++;
 143
 144                 if (buf[0] == '#')
 145                         continue;
 146                 pos = buf;
 147                 while (*pos != '\0') {
 148                         if (*pos == '\n') {
 149                                 *pos = '\0';
 150                                 break;
 151                         }
 152                         pos++;
 153                 }
 154                 if (buf[0] == '\0')
 155                         continue;
 156                 pos = buf;
 157                 if (buf[0] == '-') {
 158                         rem = 1;
 159                         pos++;
 160                 }
 161
 162                 if (hwaddr_aton(pos, addr)) {
 163                         wpa_printf(MSG_ERROR, "Invalid MAC address '%s' at "
 164                                    "line %d in '%s'", pos, line, fname);
 165                         fclose(f);
 166                         return -1;
 167                 }
 168
 169                 if (rem) {
 170                         i = 0;
 171                         while (i < *num) {
 172                                 if (os_memcmp((*acl)[i].addr, addr, ETH_ALEN) ==
 173                                     0) {
 174                                         os_remove_in_array(*acl, *num,
 175                                                            sizeof(**acl), i);
 176                                         (*num)--;
 177                                 } else
 178                                         i++;
 179                         }
 180                         continue;
 181                 }
 182                 vlan_id = 0;
 183                 pos = buf;
 184                 while (*pos != '\0' && *pos != ' ' && *pos != '\t')
 185                         pos++;
 186                 while (*pos == ' ' || *pos == '\t')
 187                         pos++;
 188                 if (*pos != '\0')
 189                         vlan_id = atoi(pos);
 190
 191                 newacl = os_realloc_array(*acl, *num + 1, sizeof(**acl));
 192                 if (newacl == NULL) {
 193                         wpa_printf(MSG_ERROR, "MAC list reallocation failed");
 194                         fclose(f);
 195                         return -1;
 196                 }
 197
 198                 *acl = newacl;
 199                 os_memcpy((*acl)[*num].addr, addr, ETH_ALEN);
 200                 (*acl)[*num].vlan_id = vlan_id;
 201                 (*num)++;
 202         }
 203
 204         fclose(f);
 205
 206         qsort(*acl, *num, sizeof(**acl), hostapd_acl_comp);
 207
 208         return 0;
 209 }
 210
 211
 212 #ifdef EAP_SERVER
 213 static int hostapd_config_read_eap_user(const char *fname,
 214                                         struct hostapd_bss_config *conf)
 215 {
 216         FILE *f;
 217         char buf[512], *pos, *start, *pos2;
 218         int line = 0, ret = 0, num_methods;
 219         struct hostapd_eap_user *user = NULL, *tail = NULL;
 220
 221         if (!fname)
 222                 return 0;
 223
 224         if (os_strncmp(fname, "sqlite:", 7) == 0) {
 225                 os_free(conf->eap_user_sqlite);
 226                 conf->eap_user_sqlite = os_strdup(fname + 7);
 227                 return 0;
 228         }
 229
 230         f = fopen(fname, "r");
 231         if (!f) {
 232                 wpa_printf(MSG_ERROR, "EAP user file '%s' not found.", fname);
 233                 return -1;
 234         }
 235
 236         /* Lines: "user" METHOD,METHOD2 "password" (password optional) */
 237         while (fgets(buf, sizeof(buf), f)) {
 238                 line++;
 239
 240                 if (buf[0] == '#')
 241                         continue;
 242                 pos = buf;
 243                 while (*pos != '\0') {
 244                         if (*pos == '\n') {
 245                                 *pos = '\0';
 246                                 break;
 247                         }
 248                         pos++;
 249                 }
 250                 if (buf[0] == '\0')
 251                         continue;
 252
 253 #ifndef CONFIG_NO_RADIUS
 254                 if (user && os_strncmp(buf, "radius_accept_attr=", 19) == 0) {
 255                         struct hostapd_radius_attr *attr, *a;
 256                         attr = hostapd_parse_radius_attr(buf + 19);
 257                         if (attr == NULL) {
 258                                 wpa_printf(MSG_ERROR, "Invalid radius_auth_req_attr: %s",
 259                                            buf + 19);
 260                                 user = NULL; /* already in the BSS list */
 261                                 goto failed;
 262                         }
 263                         if (user->accept_attr == NULL) {
 264                                 user->accept_attr = attr;
 265                         } else {
 266                                 a = user->accept_attr;
 267                                 while (a->next)
 268                                         a = a->next;
 269                                 a->next = attr;
 270                         }
 271                         continue;
 272                 }
 273 #endif /* CONFIG_NO_RADIUS */
 274
 275                 user = NULL;
 276
 277                 if (buf[0] != '"' && buf[0] != '*') {
 278                         wpa_printf(MSG_ERROR, "Invalid EAP identity (no \" in "
 279                                    "start) on line %d in '%s'", line, fname);
 280                         goto failed;
 281                 }
 282
 283                 user = os_zalloc(sizeof(*user));
 284                 if (user == NULL) {
 285                         wpa_printf(MSG_ERROR, "EAP user allocation failed");
 286                         goto failed;
 287                 }
 288                 user->force_version = -1;
 289
 290                 if (buf[0] == '*') {
 291                         pos = buf;
 292                 } else {
 293                         pos = buf + 1;
 294                         start = pos;
 295                         while (*pos != '"' && *pos != '\0')
 296                                 pos++;
 297                         if (*pos == '\0') {
 298                                 wpa_printf(MSG_ERROR, "Invalid EAP identity "
 299                                            "(no \" in end) on line %d in '%s'",
 300                                            line, fname);
 301                                 goto failed;
 302                         }
 303
 304                         user->identity = os_malloc(pos - start);
 305                         if (user->identity == NULL) {
 306                                 wpa_printf(MSG_ERROR, "Failed to allocate "
 307                                            "memory for EAP identity");
 308                                 goto failed;
 309                         }
 310                         os_memcpy(user->identity, start, pos - start);
 311                         user->identity_len = pos - start;
 312
 313                         if (pos[0] == '"' && pos[1] == '*') {
 314                                 user->wildcard_prefix = 1;
 315                                 pos++;
 316                         }
 317                 }
 318                 pos++;
 319                 while (*pos == ' ' || *pos == '\t')
 320                         pos++;
 321
 322                 if (*pos == '\0') {
 323                         wpa_printf(MSG_ERROR, "No EAP method on line %d in "
 324                                    "'%s'", line, fname);
 325                         goto failed;
 326                 }
 327
 328                 start = pos;
 329                 while (*pos != ' ' && *pos != '\t' && *pos != '\0')
 330                         pos++;
 331                 if (*pos == '\0') {
 332                         pos = NULL;
 333                 } else {
 334                         *pos = '\0';
 335                         pos++;
 336                 }
 337                 num_methods = 0;
 338                 while (*start) {
 339                         char *pos3 = os_strchr(start, ',');
 340                         if (pos3) {
 341                                 *pos3++ = '\0';
 342                         }
 343                         user->methods[num_methods].method =
 344                                 eap_server_get_type(
 345                                         start,
 346                                         &user->methods[num_methods].vendor);
 347                         if (user->methods[num_methods].vendor ==
 348                             EAP_VENDOR_IETF &&
 349                             user->methods[num_methods].method == EAP_TYPE_NONE)
 350                         {
 351                                 if (os_strcmp(start, "TTLS-PAP") == 0) {
 352                                         user->ttls_auth |= EAP_TTLS_AUTH_PAP;
 353                                         goto skip_eap;
 354                                 }
 355                                 if (os_strcmp(start, "TTLS-CHAP") == 0) {
 356                                         user->ttls_auth |= EAP_TTLS_AUTH_CHAP;
 357                                         goto skip_eap;
 358                                 }
 359                                 if (os_strcmp(start, "TTLS-MSCHAP") == 0) {
 360                                         user->ttls_auth |=
 361                                                 EAP_TTLS_AUTH_MSCHAP;
 362                                         goto skip_eap;
 363                                 }
 364                                 if (os_strcmp(start, "TTLS-MSCHAPV2") == 0) {
 365                                         user->ttls_auth |=
 366                                                 EAP_TTLS_AUTH_MSCHAPV2;
 367                                         goto skip_eap;
 368                                 }
 369                                 if (os_strcmp(start, "MACACL") == 0) {
 370                                         user->macacl = 1;
 371                                         goto skip_eap;
 372                                 }
 373                                 wpa_printf(MSG_ERROR, "Unsupported EAP type "
 374                                            "'%s' on line %d in '%s'",
 375                                            start, line, fname);
 376                                 goto failed;
 377                         }
 378
 379                         num_methods++;
 380                         if (num_methods >= EAP_MAX_METHODS)
 381                                 break;
 382                 skip_eap:
 383                         if (pos3 == NULL)
 384                                 break;
 385                         start = pos3;
 386                 }
 387                 if (num_methods == 0 && user->ttls_auth == 0 && !user->macacl) {
 388                         wpa_printf(MSG_ERROR, "No EAP types configured on "
 389                                    "line %d in '%s'", line, fname);
 390                         goto failed;
 391                 }
 392
 393                 if (pos == NULL)
 394                         goto done;
 395
 396                 while (*pos == ' ' || *pos == '\t')
 397                         pos++;
 398                 if (*pos == '\0')
 399                         goto done;
 400
 401                 if (os_strncmp(pos, "[ver=0]", 7) == 0) {
 402                         user->force_version = 0;
 403                         goto done;
 404                 }
 405
 406                 if (os_strncmp(pos, "[ver=1]", 7) == 0) {
 407                         user->force_version = 1;
 408                         goto done;
 409                 }
 410
 411                 if (os_strncmp(pos, "[2]", 3) == 0) {
 412                         user->phase2 = 1;
 413                         goto done;
 414                 }
 415
 416                 if (*pos == '"') {
 417                         pos++;
 418                         start = pos;
 419                         while (*pos != '"' && *pos != '\0')
 420                                 pos++;
 421                         if (*pos == '\0') {
 422                                 wpa_printf(MSG_ERROR, "Invalid EAP password "
 423                                            "(no \" in end) on line %d in '%s'",
 424                                            line, fname);
 425                                 goto failed;
 426                         }
 427
 428                         user->password = os_malloc(pos - start);
 429                         if (user->password == NULL) {
 430                                 wpa_printf(MSG_ERROR, "Failed to allocate "
 431                                            "memory for EAP password");
 432                                 goto failed;
 433                         }
 434                         os_memcpy(user->password, start, pos - start);
 435                         user->password_len = pos - start;
 436
 437                         pos++;
 438                 } else if (os_strncmp(pos, "hash:", 5) == 0) {
 439                         pos += 5;
 440                         pos2 = pos;
 441                         while (*pos2 != '\0' && *pos2 != ' ' &&
 442                                *pos2 != '\t' && *pos2 != '#')
 443                                 pos2++;
 444                         if (pos2 - pos != 32) {
 445                                 wpa_printf(MSG_ERROR, "Invalid password hash "
 446                                            "on line %d in '%s'", line, fname);
 447                                 goto failed;
 448                         }
 449                         user->password = os_malloc(16);
 450                         if (user->password == NULL) {
 451                                 wpa_printf(MSG_ERROR, "Failed to allocate "
 452                                            "memory for EAP password hash");
 453                                 goto failed;
 454                         }
 455                         if (hexstr2bin(pos, user->password, 16) < 0) {
 456                                 wpa_printf(MSG_ERROR, "Invalid hash password "
 457                                            "on line %d in '%s'", line, fname);
 458                                 goto failed;
 459                         }
 460                         user->password_len = 16;
 461                         user->password_hash = 1;
 462                         pos = pos2;
 463                 } else {
 464                         pos2 = pos;
 465                         while (*pos2 != '\0' && *pos2 != ' ' &&
 466                                *pos2 != '\t' && *pos2 != '#')
 467                                 pos2++;
 468                         if ((pos2 - pos) & 1) {
 469                                 wpa_printf(MSG_ERROR, "Invalid hex password "
 470                                            "on line %d in '%s'", line, fname);
 471                                 goto failed;
 472                         }
 473                         user->password = os_malloc((pos2 - pos) / 2);
 474                         if (user->password == NULL) {
 475                                 wpa_printf(MSG_ERROR, "Failed to allocate "
 476                                            "memory for EAP password");
 477                                 goto failed;
 478                         }
 479                         if (hexstr2bin(pos, user->password,
 480                                        (pos2 - pos) / 2) < 0) {
 481                                 wpa_printf(MSG_ERROR, "Invalid hex password "
 482                                            "on line %d in '%s'", line, fname);
 483                                 goto failed;
 484                         }
 485                         user->password_len = (pos2 - pos) / 2;
 486                         pos = pos2;
 487                 }
 488
 489                 while (*pos == ' ' || *pos == '\t')
 490                         pos++;
 491                 if (os_strncmp(pos, "[2]", 3) == 0) {
 492                         user->phase2 = 1;
 493                 }
 494
 495         done:
 496                 if (tail == NULL) {
 497                         tail = conf->eap_user = user;
 498                 } else {
 499                         tail->next = user;
 500                         tail = user;
 501                 }
 502                 continue;
 503
 504         failed:
 505                 if (user)
 506                         hostapd_config_free_eap_user(user);
 507                 ret = -1;
 508                 break;
 509         }
 510
 511         fclose(f);
 512
 513         return ret;
 514 }
 515 #endif /* EAP_SERVER */
 516
 517
 518 #ifndef CONFIG_NO_RADIUS
 519 static int
 520 hostapd_config_read_radius_addr(struct hostapd_radius_server **server,
 521                                 int *num_server, const char *val, int def_port,
 522                                 struct hostapd_radius_server **curr_serv)
 523 {
 524         struct hostapd_radius_server *nserv;
 525         int ret;
 526         static int server_index = 1;
 527
 528         nserv = os_realloc_array(*server, *num_server + 1, sizeof(*nserv));
 529         if (nserv == NULL)
 530                 return -1;
 531
 532         *server = nserv;
 533         nserv = &nserv[*num_server];
 534         (*num_server)++;
 535         (*curr_serv) = nserv;
 536
 537         os_memset(nserv, 0, sizeof(*nserv));
 538         nserv->port = def_port;
 539         ret = hostapd_parse_ip_addr(val, &nserv->addr);
 540         nserv->index = server_index++;
 541
 542         return ret;
 543 }
 544
 545
 546 static struct hostapd_radius_attr *
 547 hostapd_parse_radius_attr(const char *value)
 548 {
 549         const char *pos;
 550         char syntax;
 551         struct hostapd_radius_attr *attr;
 552         size_t len;
 553
 554         attr = os_zalloc(sizeof(*attr));
 555         if (attr == NULL)
 556                 return NULL;
 557
 558         attr->type = atoi(value);
 559
 560         pos = os_strchr(value, ':');
 561         if (pos == NULL) {
 562                 attr->val = wpabuf_alloc(1);
 563                 if (attr->val == NULL) {
 564                         os_free(attr);
 565                         return NULL;
 566                 }
 567                 wpabuf_put_u8(attr->val, 0);
 568                 return attr;
 569         }
 570
 571         pos++;
 572         if (pos[0] == '\0' || pos[1] != ':') {
 573                 os_free(attr);
 574                 return NULL;
 575         }
 576         syntax = *pos++;
 577         pos++;
 578
 579         switch (syntax) {
 580         case 's':
 581                 attr->val = wpabuf_alloc_copy(pos, os_strlen(pos));
 582                 break;
 583         case 'x':
 584                 len = os_strlen(pos);
 585                 if (len & 1)
 586                         break;
 587                 len /= 2;
 588                 attr->val = wpabuf_alloc(len);
 589                 if (attr->val == NULL)
 590                         break;
 591                 if (hexstr2bin(pos, wpabuf_put(attr->val, len), len) < 0) {
 592                         wpabuf_free(attr->val);
 593                         os_free(attr);
 594                         return NULL;
 595                 }
 596                 break;
 597         case 'd':
 598                 attr->val = wpabuf_alloc(4);
 599                 if (attr->val)
 600                         wpabuf_put_be32(attr->val, atoi(pos));
 601                 break;
 602         default:
 603                 os_free(attr);
 604                 return NULL;
 605         }
 606
 607         if (attr->val == NULL) {
 608                 os_free(attr);
 609                 return NULL;
 610         }
 611
 612         return attr;
 613 }
 614
 615
 616 static int hostapd_parse_das_client(struct hostapd_bss_config *bss,
 617                                     const char *val)
 618 {
 619         char *secret;
 620
 621         secret = os_strchr(val, ' ');
 622         if (secret == NULL)
 623                 return -1;
 624
 625         secret++;
 626
 627         if (hostapd_parse_ip_addr(val, &bss->radius_das_client_addr))
 628                 return -1;
 629
 630         os_free(bss->radius_das_shared_secret);
 631         bss->radius_das_shared_secret = (u8 *) os_strdup(secret);
 632         if (bss->radius_das_shared_secret == NULL)
 633                 return -1;
 634         bss->radius_das_shared_secret_len = os_strlen(secret);
 635
 636         return 0;
 637 }
 638 #endif /* CONFIG_NO_RADIUS */
 639
 640
 641 static int hostapd_config_parse_key_mgmt(int line, const char *value)
 642 {
 643         int val = 0, last;
 644         char *start, *end, *buf;
 645
 646         buf = os_strdup(value);
 647         if (buf == NULL)
 648                 return -1;
 649         start = buf;
 650
 651         while (*start != '\0') {
 652                 while (*start == ' ' || *start == '\t')
 653                         start++;
 654                 if (*start == '\0')
 655                         break;
 656                 end = start;
 657                 while (*end != ' ' && *end != '\t' && *end != '\0')
 658                         end++;
 659                 last = *end == '\0';
 660                 *end = '\0';
 661                 if (os_strcmp(start, "WPA-PSK") == 0)
 662                         val |= WPA_KEY_MGMT_PSK;
 663                 else if (os_strcmp(start, "WPA-EAP") == 0)
 664                         val |= WPA_KEY_MGMT_IEEE8021X;
 665 #ifdef CONFIG_IEEE80211R
 666                 else if (os_strcmp(start, "FT-PSK") == 0)
 667                         val |= WPA_KEY_MGMT_FT_PSK;
 668                 else if (os_strcmp(start, "FT-EAP") == 0)
 669                         val |= WPA_KEY_MGMT_FT_IEEE8021X;
 670 #endif /* CONFIG_IEEE80211R */
 671 #ifdef CONFIG_IEEE80211W
 672                 else if (os_strcmp(start, "WPA-PSK-SHA256") == 0)
 673                         val |= WPA_KEY_MGMT_PSK_SHA256;
 674                 else if (os_strcmp(start, "WPA-EAP-SHA256") == 0)
 675                         val |= WPA_KEY_MGMT_IEEE8021X_SHA256;
 676 #endif /* CONFIG_IEEE80211W */
 677 #ifdef CONFIG_SAE
 678                 else if (os_strcmp(start, "SAE") == 0)
 679                         val |= WPA_KEY_MGMT_SAE;
 680                 else if (os_strcmp(start, "FT-SAE") == 0)
 681                         val |= WPA_KEY_MGMT_FT_SAE;
 682 #endif /* CONFIG_SAE */
 683                 else {
 684                         wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'",
 685                                    line, start);
 686                         os_free(buf);
 687                         return -1;
 688                 }
 689
 690                 if (last)
 691                         break;
 692                 start = end + 1;
 693         }
 694
 695         os_free(buf);
 696         if (val == 0) {
 697                 wpa_printf(MSG_ERROR, "Line %d: no key_mgmt values "
 698                            "configured.", line);
 699                 return -1;
 700         }
 701
 702         return val;
 703 }
 704
 705
 706 static int hostapd_config_parse_cipher(int line, const char *value)
 707 {
 708         int val = wpa_parse_cipher(value);
 709         if (val < 0) {
 710                 wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.",
 711                            line, value);
 712                 return -1;
 713         }
 714         if (val == 0) {
 715                 wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.",
 716                            line);
 717                 return -1;
 718         }
 719         return val;
 720 }
 721
 722
 723 static int hostapd_config_read_wep(struct hostapd_wep_keys *wep, int keyidx,
 724                                    char *val)
 725 {
 726         size_t len = os_strlen(val);
 727
 728         if (keyidx < 0 || keyidx > 3 || wep->key[keyidx] != NULL)
 729                 return -1;
 730
 731         if (val[0] == '"') {
 732                 if (len < 2 || val[len - 1] != '"')
 733                         return -1;
 734                 len -= 2;
 735                 wep->key[keyidx] = os_malloc(len);
 736                 if (wep->key[keyidx] == NULL)
 737                         return -1;
 738                 os_memcpy(wep->key[keyidx], val + 1, len);
 739                 wep->len[keyidx] = len;
 740         } else {
 741                 if (len & 1)
 742                         return -1;
 743                 len /= 2;
 744                 wep->key[keyidx] = os_malloc(len);
 745                 if (wep->key[keyidx] == NULL)
 746                         return -1;
 747                 wep->len[keyidx] = len;
 748                 if (hexstr2bin(val, wep->key[keyidx], len) < 0)
 749                         return -1;
 750         }
 751
 752         wep->keys_set++;
 753
 754         return 0;
 755 }
 756
 757
 758 static int hostapd_parse_intlist(int **int_list, char *val)
 759 {
 760         int *list;
 761         int count;
 762         char *pos, *end;
 763
 764         os_free(*int_list);
 765         *int_list = NULL;
 766
 767         pos = val;
 768         count = 0;
 769         while (*pos != '\0') {
 770                 if (*pos == ' ')
 771                         count++;
 772                 pos++;
 773         }
 774
 775         list = os_malloc(sizeof(int) * (count + 2));
 776         if (list == NULL)
 777                 return -1;
 778         pos = val;
 779         count = 0;
 780         while (*pos != '\0') {
 781                 end = os_strchr(pos, ' ');
 782                 if (end)
 783                         *end = '\0';
 784
 785                 list[count++] = atoi(pos);
 786                 if (!end)
 787                         break;
 788                 pos = end + 1;
 789         }
 790         list[count] = -1;
 791
 792         *int_list = list;
 793         return 0;
 794 }
 795
 796
 797 static int hostapd_config_bss(struct hostapd_config *conf, const char *ifname)
 798 {
 799         struct hostapd_bss_config **all, *bss;
 800
 801         if (*ifname == '\0')
 802                 return -1;
 803
 804         all = os_realloc_array(conf->bss, conf->num_bss + 1,
 805                                sizeof(struct hostapd_bss_config *));
 806         if (all == NULL) {
 807                 wpa_printf(MSG_ERROR, "Failed to allocate memory for "
 808                            "multi-BSS entry");
 809                 return -1;
 810         }
 811         conf->bss = all;
 812
 813         bss = os_zalloc(sizeof(*bss));
 814         if (bss == NULL)
 815                 return -1;
 816         bss->radius = os_zalloc(sizeof(*bss->radius));
 817         if (bss->radius == NULL) {
 818                 wpa_printf(MSG_ERROR, "Failed to allocate memory for "
 819                            "multi-BSS RADIUS data");
 820                 os_free(bss);
 821                 return -1;
 822         }
 823
 824         conf->bss[conf->num_bss++] = bss;
 825         conf->last_bss = bss;
 826
 827         hostapd_config_defaults_bss(bss);
 828         os_strlcpy(bss->iface, ifname, sizeof(bss->iface));
 829         os_memcpy(bss->ssid.vlan, bss->iface, IFNAMSIZ + 1);
 830
 831         return 0;
 832 }
 833
 834
 835 /* convert floats with one decimal place to value*10 int, i.e.,
 836  * "1.5" will return 15 */
 837 static int hostapd_config_read_int10(const char *value)
 838 {
 839         int i, d;
 840         char *pos;
 841
 842         i = atoi(value);
 843         pos = os_strchr(value, '.');
 844         d = 0;
 845         if (pos) {
 846                 pos++;
 847                 if (*pos >= '0' && *pos <= '9')
 848                         d = *pos - '0';
 849         }
 850
 851         return i * 10 + d;
 852 }
 853
 854
 855 static int valid_cw(int cw)
 856 {
 857         return (cw == 1 || cw == 3 || cw == 7 || cw == 15 || cw == 31 ||
 858                 cw == 63 || cw == 127 || cw == 255 || cw == 511 || cw == 1023);
 859 }
 860
 861
 862 enum {
 863         IEEE80211_TX_QUEUE_DATA0 = 0, /* used for EDCA AC_VO data */
 864         IEEE80211_TX_QUEUE_DATA1 = 1, /* used for EDCA AC_VI data */
 865         IEEE80211_TX_QUEUE_DATA2 = 2, /* used for EDCA AC_BE data */
 866         IEEE80211_TX_QUEUE_DATA3 = 3 /* used for EDCA AC_BK data */
 867 };
 868
 869 static int hostapd_config_tx_queue(struct hostapd_config *conf, char *name,
 870                                    char *val)
 871 {
 872         int num;
 873         char *pos;
 874         struct hostapd_tx_queue_params *queue;
 875
 876         /* skip 'tx_queue_' prefix */
 877         pos = name + 9;
 878         if (os_strncmp(pos, "data", 4) == 0 &&
 879             pos[4] >= '0' && pos[4] <= '9' && pos[5] == '_') {
 880                 num = pos[4] - '0';
 881                 pos += 6;
 882         } else if (os_strncmp(pos, "after_beacon_", 13) == 0 ||
 883                    os_strncmp(pos, "beacon_", 7) == 0) {
 884                 wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
 885                 return 0;
 886         } else {
 887                 wpa_printf(MSG_ERROR, "Unknown tx_queue name '%s'", pos);
 888                 return -1;
 889         }
 890
 891         if (num >= NUM_TX_QUEUES) {
 892                 /* for backwards compatibility, do not trigger failure */
 893                 wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
 894                 return 0;
 895         }
 896
 897         queue = &conf->tx_queue[num];
 898
 899         if (os_strcmp(pos, "aifs") == 0) {
 900                 queue->aifs = atoi(val);
 901                 if (queue->aifs < 0 || queue->aifs > 255) {
 902                         wpa_printf(MSG_ERROR, "Invalid AIFS value %d",
 903                                    queue->aifs);
 904                         return -1;
 905                 }
 906         } else if (os_strcmp(pos, "cwmin") == 0) {
 907                 queue->cwmin = atoi(val);
 908                 if (!valid_cw(queue->cwmin)) {
 909                         wpa_printf(MSG_ERROR, "Invalid cwMin value %d",
 910                                    queue->cwmin);
 911                         return -1;
 912                 }
 913         } else if (os_strcmp(pos, "cwmax") == 0) {
 914                 queue->cwmax = atoi(val);
 915                 if (!valid_cw(queue->cwmax)) {
 916                         wpa_printf(MSG_ERROR, "Invalid cwMax value %d",
 917                                    queue->cwmax);
 918                         return -1;
 919                 }
 920         } else if (os_strcmp(pos, "burst") == 0) {
 921                 queue->burst = hostapd_config_read_int10(val);
 922         } else {
 923                 wpa_printf(MSG_ERROR, "Unknown tx_queue field '%s'", pos);
 924                 return -1;
 925         }
 926
 927         return 0;
 928 }
 929
 930
 931 #ifdef CONFIG_IEEE80211R
 932 static int add_r0kh(struct hostapd_bss_config *bss, char *value)
 933 {
 934         struct ft_remote_r0kh *r0kh;
 935         char *pos, *next;
 936
 937         r0kh = os_zalloc(sizeof(*r0kh));
 938         if (r0kh == NULL)
 939                 return -1;
 940
 941         /* 02:01:02:03:04:05 a.example.com 000102030405060708090a0b0c0d0e0f */
 942         pos = value;
 943         next = os_strchr(pos, ' ');
 944         if (next)
 945                 *next++ = '\0';
 946         if (next == NULL || hwaddr_aton(pos, r0kh->addr)) {
 947                 wpa_printf(MSG_ERROR, "Invalid R0KH MAC address: '%s'", pos);
 948                 os_free(r0kh);
 949                 return -1;
 950         }
 951
 952         pos = next;
 953         next = os_strchr(pos, ' ');
 954         if (next)
 955                 *next++ = '\0';
 956         if (next == NULL || next - pos > FT_R0KH_ID_MAX_LEN) {
 957                 wpa_printf(MSG_ERROR, "Invalid R0KH-ID: '%s'", pos);
 958                 os_free(r0kh);
 959                 return -1;
 960         }
 961         r0kh->id_len = next - pos - 1;
 962         os_memcpy(r0kh->id, pos, r0kh->id_len);
 963
 964         pos = next;
 965         if (hexstr2bin(pos, r0kh->key, sizeof(r0kh->key))) {
 966                 wpa_printf(MSG_ERROR, "Invalid R0KH key: '%s'", pos);
 967                 os_free(r0kh);
 968                 return -1;
 969         }
 970
 971         r0kh->next = bss->r0kh_list;
 972         bss->r0kh_list = r0kh;
 973
 974         return 0;
 975 }
 976
 977
 978 static int add_r1kh(struct hostapd_bss_config *bss, char *value)
 979 {
 980         struct ft_remote_r1kh *r1kh;
 981         char *pos, *next;
 982
 983         r1kh = os_zalloc(sizeof(*r1kh));
 984         if (r1kh == NULL)
 985                 return -1;
 986
 987         /* 02:01:02:03:04:05 02:01:02:03:04:05
 988          * 000102030405060708090a0b0c0d0e0f */
 989         pos = value;
 990         next = os_strchr(pos, ' ');
 991         if (next)
 992                 *next++ = '\0';
 993         if (next == NULL || hwaddr_aton(pos, r1kh->addr)) {
 994                 wpa_printf(MSG_ERROR, "Invalid R1KH MAC address: '%s'", pos);
 995                 os_free(r1kh);
 996                 return -1;
 997         }
 998
 999         pos = next;
1000         next = os_strchr(pos, ' ');
1001         if (next)
1002                 *next++ = '\0';
1003         if (next == NULL || hwaddr_aton(pos, r1kh->id)) {
1004                 wpa_printf(MSG_ERROR, "Invalid R1KH-ID: '%s'", pos);
1005                 os_free(r1kh);
1006                 return -1;
1007         }
1008
1009         pos = next;
1010         if (hexstr2bin(pos, r1kh->key, sizeof(r1kh->key))) {
1011                 wpa_printf(MSG_ERROR, "Invalid R1KH key: '%s'", pos);
1012                 os_free(r1kh);
1013                 return -1;
1014         }
1015
1016         r1kh->next = bss->r1kh_list;
1017         bss->r1kh_list = r1kh;
1018
1019         return 0;
1020 }
1021 #endif /* CONFIG_IEEE80211R */
1022
1023
1024 #ifdef CONFIG_IEEE80211N
1025 static int hostapd_config_ht_capab(struct hostapd_config *conf,
1026                                    const char *capab)
1027 {
1028         if (os_strstr(capab, "[LDPC]"))
1029                 conf->ht_capab |= HT_CAP_INFO_LDPC_CODING_CAP;
1030         if (os_strstr(capab, "[HT40-]")) {
1031                 conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
1032                 conf->secondary_channel = -1;
1033         }
1034         if (os_strstr(capab, "[HT40+]")) {
1035                 conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
1036                 conf->secondary_channel = 1;
1037         }
1038         if (os_strstr(capab, "[SMPS-STATIC]")) {
1039                 conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
1040                 conf->ht_capab |= HT_CAP_INFO_SMPS_STATIC;
1041         }
1042         if (os_strstr(capab, "[SMPS-DYNAMIC]")) {
1043                 conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
1044                 conf->ht_capab |= HT_CAP_INFO_SMPS_DYNAMIC;
1045         }
1046         if (os_strstr(capab, "[GF]"))
1047                 conf->ht_capab |= HT_CAP_INFO_GREEN_FIELD;
1048         if (os_strstr(capab, "[SHORT-GI-20]"))
1049                 conf->ht_capab |= HT_CAP_INFO_SHORT_GI20MHZ;
1050         if (os_strstr(capab, "[SHORT-GI-40]"))
1051                 conf->ht_capab |= HT_CAP_INFO_SHORT_GI40MHZ;
1052         if (os_strstr(capab, "[TX-STBC]"))
1053                 conf->ht_capab |= HT_CAP_INFO_TX_STBC;
1054         if (os_strstr(capab, "[RX-STBC1]")) {
1055                 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1056                 conf->ht_capab |= HT_CAP_INFO_RX_STBC_1;
1057         }
1058         if (os_strstr(capab, "[RX-STBC12]")) {
1059                 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1060                 conf->ht_capab |= HT_CAP_INFO_RX_STBC_12;
1061         }
1062         if (os_strstr(capab, "[RX-STBC123]")) {
1063                 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1064                 conf->ht_capab |= HT_CAP_INFO_RX_STBC_123;
1065         }
1066         if (os_strstr(capab, "[DELAYED-BA]"))
1067                 conf->ht_capab |= HT_CAP_INFO_DELAYED_BA;
1068         if (os_strstr(capab, "[MAX-AMSDU-7935]"))
1069                 conf->ht_capab |= HT_CAP_INFO_MAX_AMSDU_SIZE;
1070         if (os_strstr(capab, "[DSSS_CCK-40]"))
1071                 conf->ht_capab |= HT_CAP_INFO_DSSS_CCK40MHZ;
1072         if (os_strstr(capab, "[40-INTOLERANT]"))
1073                 conf->ht_capab |= HT_CAP_INFO_40MHZ_INTOLERANT;
1074         if (os_strstr(capab, "[LSIG-TXOP-PROT]"))
1075                 conf->ht_capab |= HT_CAP_INFO_LSIG_TXOP_PROTECT_SUPPORT;
1076
1077         return 0;
1078 }
1079 #endif /* CONFIG_IEEE80211N */
1080
1081
1082 #ifdef CONFIG_IEEE80211AC
1083 static int hostapd_config_vht_capab(struct hostapd_config *conf,
1084                                     const char *capab)
1085 {
1086         if (os_strstr(capab, "[MAX-MPDU-7991]"))
1087                 conf->vht_capab |= VHT_CAP_MAX_MPDU_LENGTH_7991;
1088         if (os_strstr(capab, "[MAX-MPDU-11454]"))
1089                 conf->vht_capab |= VHT_CAP_MAX_MPDU_LENGTH_11454;
1090         if (os_strstr(capab, "[VHT160]"))
1091                 conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
1092         if (os_strstr(capab, "[VHT160-80PLUS80]"))
1093                 conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
1094         if (os_strstr(capab, "[RXLDPC]"))
1095                 conf->vht_capab |= VHT_CAP_RXLDPC;
1096         if (os_strstr(capab, "[SHORT-GI-80]"))
1097                 conf->vht_capab |= VHT_CAP_SHORT_GI_80;
1098         if (os_strstr(capab, "[SHORT-GI-160]"))
1099                 conf->vht_capab |= VHT_CAP_SHORT_GI_160;
1100         if (os_strstr(capab, "[TX-STBC-2BY1]"))
1101                 conf->vht_capab |= VHT_CAP_TXSTBC;
1102         if (os_strstr(capab, "[RX-STBC-1]"))
1103                 conf->vht_capab |= VHT_CAP_RXSTBC_1;
1104         if (os_strstr(capab, "[RX-STBC-12]"))
1105                 conf->vht_capab |= VHT_CAP_RXSTBC_2;
1106         if (os_strstr(capab, "[RX-STBC-123]"))
1107                 conf->vht_capab |= VHT_CAP_RXSTBC_3;
1108         if (os_strstr(capab, "[RX-STBC-1234]"))
1109                 conf->vht_capab |= VHT_CAP_RXSTBC_4;
1110         if (os_strstr(capab, "[SU-BEAMFORMER]"))
1111                 conf->vht_capab |= VHT_CAP_SU_BEAMFORMER_CAPABLE;
1112         if (os_strstr(capab, "[SU-BEAMFORMEE]"))
1113                 conf->vht_capab |= VHT_CAP_SU_BEAMFORMEE_CAPABLE;
1114         if (os_strstr(capab, "[BF-ANTENNA-2]") &&
1115             (conf->vht_capab & VHT_CAP_SU_BEAMFORMEE_CAPABLE))
1116                 conf->vht_capab |= (1 << VHT_CAP_BEAMFORMEE_STS_OFFSET);
1117         if (os_strstr(capab, "[SOUNDING-DIMENSION-2]") &&
1118             (conf->vht_capab & VHT_CAP_SU_BEAMFORMER_CAPABLE))
1119                 conf->vht_capab |= (1 << VHT_CAP_SOUNDING_DIMENSION_OFFSET);
1120         if (os_strstr(capab, "[MU-BEAMFORMER]"))
1121                 conf->vht_capab |= VHT_CAP_MU_BEAMFORMER_CAPABLE;
1122         if (os_strstr(capab, "[MU-BEAMFORMEE]"))
1123                 conf->vht_capab |= VHT_CAP_MU_BEAMFORMEE_CAPABLE;
1124         if (os_strstr(capab, "[VHT-TXOP-PS]"))
1125                 conf->vht_capab |= VHT_CAP_VHT_TXOP_PS;
1126         if (os_strstr(capab, "[HTC-VHT]"))
1127                 conf->vht_capab |= VHT_CAP_HTC_VHT;
1128         if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP7]"))
1129                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MAX;
1130         else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP6]"))
1131                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_6;
1132         else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP5]"))
1133                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_5;
1134         else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP4]"))
1135                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_4;
1136         else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP3]"))
1137                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_3;
1138         else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP2]"))
1139                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_2;
1140         else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP1]"))
1141                 conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_1;
1142         if (os_strstr(capab, "[VHT-LINK-ADAPT2]") &&
1143             (conf->vht_capab & VHT_CAP_HTC_VHT))
1144                 conf->vht_capab |= VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB;
1145         if (os_strstr(capab, "[VHT-LINK-ADAPT3]") &&
1146             (conf->vht_capab & VHT_CAP_HTC_VHT))
1147                 conf->vht_capab |= VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB;
1148         if (os_strstr(capab, "[RX-ANTENNA-PATTERN]"))
1149                 conf->vht_capab |= VHT_CAP_RX_ANTENNA_PATTERN;
1150         if (os_strstr(capab, "[TX-ANTENNA-PATTERN]"))
1151                 conf->vht_capab |= VHT_CAP_TX_ANTENNA_PATTERN;
1152         return 0;
1153 }
1154 #endif /* CONFIG_IEEE80211AC */
1155
1156
1157 #ifdef CONFIG_INTERWORKING
1158 static int parse_roaming_consortium(struct hostapd_bss_config *bss, char *pos,
1159                                     int line)
1160 {
1161         size_t len = os_strlen(pos);
1162         u8 oi[MAX_ROAMING_CONSORTIUM_LEN];
1163
1164         struct hostapd_roaming_consortium *rc;
1165
1166         if ((len & 1) || len < 2 * 3 || len / 2 > MAX_ROAMING_CONSORTIUM_LEN ||
1167             hexstr2bin(pos, oi, len / 2)) {
1168                 wpa_printf(MSG_ERROR, "Line %d: invalid roaming_consortium "
1169                            "'%s'", line, pos);
1170                 return -1;
1171         }
1172         len /= 2;
1173
1174         rc = os_realloc_array(bss->roaming_consortium,
1175                               bss->roaming_consortium_count + 1,
1176                               sizeof(struct hostapd_roaming_consortium));
1177         if (rc == NULL)
1178                 return -1;
1179
1180         os_memcpy(rc[bss->roaming_consortium_count].oi, oi, len);
1181         rc[bss->roaming_consortium_count].len = len;
1182
1183         bss->roaming_consortium = rc;
1184         bss->roaming_consortium_count++;
1185
1186         return 0;
1187 }
1188
1189
1190 static int parse_lang_string(struct hostapd_lang_string **array,
1191                              unsigned int *count, char *pos)
1192 {
1193         char *sep, *str = NULL;
1194         size_t clen, nlen, slen;
1195         struct hostapd_lang_string *ls;
1196         int ret = -1;
1197
1198         if (*pos == '"' || (*pos == 'P' && pos[1] == '"')) {
1199                 str = wpa_config_parse_string(pos, &slen);
1200                 if (!str)
1201                         return -1;
1202                 pos = str;
1203         }
1204
1205         sep = os_strchr(pos, ':');
1206         if (sep == NULL)
1207                 goto fail;
1208         *sep++ = '\0';
1209
1210         clen = os_strlen(pos);
1211         if (clen < 2 || clen > sizeof(ls->lang))
1212                 goto fail;
1213         nlen = os_strlen(sep);
1214         if (nlen > 252)
1215                 goto fail;
1216
1217         ls = os_realloc_array(*array, *count + 1,
1218                               sizeof(struct hostapd_lang_string));
1219         if (ls == NULL)
1220                 goto fail;
1221
1222         *array = ls;
1223         ls = &(*array)[*count];
1224         (*count)++;
1225
1226         os_memset(ls->lang, 0, sizeof(ls->lang));
1227         os_memcpy(ls->lang, pos, clen);
1228         ls->name_len = nlen;
1229         os_memcpy(ls->name, sep, nlen);
1230
1231         ret = 0;
1232 fail:
1233         os_free(str);
1234         return ret;
1235 }
1236
1237
1238 static int parse_venue_name(struct hostapd_bss_config *bss, char *pos,
1239                             int line)
1240 {
1241         if (parse_lang_string(&bss->venue_name, &bss->venue_name_count, pos)) {
1242                 wpa_printf(MSG_ERROR, "Line %d: Invalid venue_name '%s'",
1243                            line, pos);
1244                 return -1;
1245         }
1246         return 0;
1247 }
1248
1249
1250 static int parse_3gpp_cell_net(struct hostapd_bss_config *bss, char *buf,
1251                                int line)
1252 {
1253         size_t count;
1254         char *pos;
1255         u8 *info = NULL, *ipos;
1256
1257         /* format: <MCC1,MNC1>[;<MCC2,MNC2>][;...] */
1258
1259         count = 1;
1260         for (pos = buf; *pos; pos++) {
1261                 if ((*pos < '0' || *pos > '9') && *pos != ';' && *pos != ',')
1262                         goto fail;
1263                 if (*pos == ';')
1264                         count++;
1265         }
1266         if (1 + count * 3 > 0x7f)
1267                 goto fail;
1268
1269         info = os_zalloc(2 + 3 + count * 3);
1270         if (info == NULL)
1271                 return -1;
1272
1273         ipos = info;
1274         *ipos++ = 0; /* GUD - Version 1 */
1275         *ipos++ = 3 + count * 3; /* User Data Header Length (UDHL) */
1276         *ipos++ = 0; /* PLMN List IEI */
1277         /* ext(b8) | Length of PLMN List value contents(b7..1) */
1278         *ipos++ = 1 + count * 3;
1279         *ipos++ = count; /* Number of PLMNs */
1280
1281         pos = buf;
1282         while (pos && *pos) {
1283                 char *mcc, *mnc;
1284                 size_t mnc_len;
1285
1286                 mcc = pos;
1287                 mnc = os_strchr(pos, ',');
1288                 if (mnc == NULL)
1289                         goto fail;
1290                 *mnc++ = '\0';
1291                 pos = os_strchr(mnc, ';');
1292                 if (pos)
1293                         *pos++ = '\0';
1294
1295                 mnc_len = os_strlen(mnc);
1296                 if (os_strlen(mcc) != 3 || (mnc_len != 2 && mnc_len != 3))
1297                         goto fail;
1298
1299                 /* BC coded MCC,MNC */
1300                 /* MCC digit 2 | MCC digit 1 */
1301                 *ipos++ = ((mcc[1] - '0') << 4) | (mcc[0] - '0');
1302                 /* MNC digit 3 | MCC digit 3 */
1303                 *ipos++ = (((mnc_len == 2) ? 0xf0 : ((mnc[2] - '0') << 4))) |
1304                         (mcc[2] - '0');
1305                 /* MNC digit 2 | MNC digit 1 */
1306                 *ipos++ = ((mnc[1] - '0') << 4) | (mnc[0] - '0');
1307         }
1308
1309         os_free(bss->anqp_3gpp_cell_net);
1310         bss->anqp_3gpp_cell_net = info;
1311         bss->anqp_3gpp_cell_net_len = 2 + 3 + 3 * count;
1312         wpa_hexdump(MSG_MSGDUMP, "3GPP Cellular Network information",
1313                     bss->anqp_3gpp_cell_net, bss->anqp_3gpp_cell_net_len);
1314
1315         return 0;
1316
1317 fail:
1318         wpa_printf(MSG_ERROR, "Line %d: Invalid anqp_3gpp_cell_net: %s",
1319                    line, buf);
1320         os_free(info);
1321         return -1;
1322 }
1323
1324
1325 static int parse_nai_realm(struct hostapd_bss_config *bss, char *buf, int line)
1326 {
1327         struct hostapd_nai_realm_data *realm;
1328         size_t i, j, len;
1329         int *offsets;
1330         char *pos, *end, *rpos;
1331
1332         offsets = os_calloc(bss->nai_realm_count * MAX_NAI_REALMS,
1333                             sizeof(int));
1334         if (offsets == NULL)
1335                 return -1;
1336
1337         for (i = 0; i < bss->nai_realm_count; i++) {
1338                 realm = &bss->nai_realm_data[i];
1339                 for (j = 0; j < MAX_NAI_REALMS; j++) {
1340                         offsets[i * MAX_NAI_REALMS + j] =
1341                                 realm->realm[j] ?
1342                                 realm->realm[j] - realm->realm_buf : -1;
1343                 }
1344         }
1345
1346         realm = os_realloc_array(bss->nai_realm_data, bss->nai_realm_count + 1,
1347                                  sizeof(struct hostapd_nai_realm_data));
1348         if (realm == NULL) {
1349                 os_free(offsets);
1350                 return -1;
1351         }
1352         bss->nai_realm_data = realm;
1353
1354         /* patch the pointers after realloc */
1355         for (i = 0; i < bss->nai_realm_count; i++) {
1356                 realm = &bss->nai_realm_data[i];
1357                 for (j = 0; j < MAX_NAI_REALMS; j++) {
1358                         int offs = offsets[i * MAX_NAI_REALMS + j];
1359                         if (offs >= 0)
1360                                 realm->realm[j] = realm->realm_buf + offs;
1361                         else
1362                                 realm->realm[j] = NULL;
1363                 }
1364         }
1365         os_free(offsets);
1366
1367         realm = &bss->nai_realm_data[bss->nai_realm_count];
1368         os_memset(realm, 0, sizeof(*realm));
1369
1370         pos = buf;
1371         realm->encoding = atoi(pos);
1372         pos = os_strchr(pos, ',');
1373         if (pos == NULL)
1374                 goto fail;
1375         pos++;
1376
1377         end = os_strchr(pos, ',');
1378         if (end) {
1379                 len = end - pos;
1380                 *end = '\0';
1381         } else {
1382                 len = os_strlen(pos);
1383         }
1384
1385         if (len > MAX_NAI_REALMLEN) {
1386                 wpa_printf(MSG_ERROR, "Too long a realm string (%d > max %d "
1387                            "characters)", (int) len, MAX_NAI_REALMLEN);
1388                 goto fail;
1389         }
1390         os_memcpy(realm->realm_buf, pos, len);
1391
1392         if (end)
1393                 pos = end + 1;
1394         else
1395                 pos = NULL;
1396
1397         while (pos && *pos) {
1398                 struct hostapd_nai_realm_eap *eap;
1399
1400                 if (realm->eap_method_count >= MAX_NAI_EAP_METHODS) {
1401                         wpa_printf(MSG_ERROR, "Too many EAP methods");
1402                         goto fail;
1403                 }
1404
1405                 eap = &realm->eap_method[realm->eap_method_count];
1406                 realm->eap_method_count++;
1407
1408                 end = os_strchr(pos, ',');
1409                 if (end == NULL)
1410                         end = pos + os_strlen(pos);
1411
1412                 eap->eap_method = atoi(pos);
1413                 for (;;) {
1414                         pos = os_strchr(pos, '[');
1415                         if (pos == NULL || pos > end)
1416                                 break;
1417                         pos++;
1418                         if (eap->num_auths >= MAX_NAI_AUTH_TYPES) {
1419                                 wpa_printf(MSG_ERROR, "Too many auth params");
1420                                 goto fail;
1421                         }
1422                         eap->auth_id[eap->num_auths] = atoi(pos);
1423                         pos = os_strchr(pos, ':');
1424                         if (pos == NULL || pos > end)
1425                                 goto fail;
1426                         pos++;
1427                         eap->auth_val[eap->num_auths] = atoi(pos);
1428                         pos = os_strchr(pos, ']');
1429                         if (pos == NULL || pos > end)
1430                                 goto fail;
1431                         pos++;
1432                         eap->num_auths++;
1433                 }
1434
1435                 if (*end != ',')
1436                         break;
1437
1438                 pos = end + 1;
1439         }
1440
1441         /* Split realm list into null terminated realms */
1442         rpos = realm->realm_buf;
1443         i = 0;
1444         while (*rpos) {
1445                 if (i >= MAX_NAI_REALMS) {
1446                         wpa_printf(MSG_ERROR, "Too many realms");
1447                         goto fail;
1448                 }
1449                 realm->realm[i++] = rpos;
1450                 rpos = os_strchr(rpos, ';');
1451                 if (rpos == NULL)
1452                         break;
1453                 *rpos++ = '\0';
1454         }
1455
1456         bss->nai_realm_count++;
1457
1458         return 0;
1459
1460 fail:
1461         wpa_printf(MSG_ERROR, "Line %d: invalid nai_realm '%s'", line, buf);
1462         return -1;
1463 }
1464
1465
1466 static int parse_qos_map_set(struct hostapd_bss_config *bss,
1467                              char *buf, int line)
1468 {
1469         u8 qos_map_set[16 + 2 * 21], count = 0;
1470         char *pos = buf;
1471         int val;
1472
1473         for (;;) {
1474                 if (count == sizeof(qos_map_set)) {
1475                         wpa_printf(MSG_ERROR, "Line %d: Too many qos_map_set "
1476                                    "parameters '%s'", line, buf);
1477                         return -1;
1478                 }
1479
1480                 val = atoi(pos);
1481                 if (val > 255 || val < 0) {
1482                         wpa_printf(MSG_ERROR, "Line %d: Invalid qos_map_set "
1483                                    "'%s'", line, buf);
1484                         return -1;
1485                 }
1486
1487                 qos_map_set[count++] = val;
1488                 pos = os_strchr(pos, ',');
1489                 if (!pos)
1490                         break;
1491                 pos++;
1492         }
1493
1494         if (count < 16 || count & 1) {
1495                 wpa_printf(MSG_ERROR, "Line %d: Invalid qos_map_set '%s'",
1496                            line, buf);
1497                 return -1;
1498         }
1499
1500         os_memcpy(bss->qos_map_set, qos_map_set, count);
1501         bss->qos_map_set_len = count;
1502
1503         return 0;
1504 }
1505
1506 #endif /* CONFIG_INTERWORKING */
1507
1508
1509 #ifdef CONFIG_HS20
1510 static int hs20_parse_conn_capab(struct hostapd_bss_config *bss, char *buf,
1511                                  int line)
1512 {
1513         u8 *conn_cap;
1514         char *pos;
1515
1516         if (bss->hs20_connection_capability_len >= 0xfff0)
1517                 return -1;
1518
1519         conn_cap = os_realloc(bss->hs20_connection_capability,
1520                               bss->hs20_connection_capability_len + 4);
1521         if (conn_cap == NULL)
1522                 return -1;
1523
1524         bss->hs20_connection_capability = conn_cap;
1525         conn_cap += bss->hs20_connection_capability_len;
1526         pos = buf;
1527         conn_cap[0] = atoi(pos);
1528         pos = os_strchr(pos, ':');
1529         if (pos == NULL)
1530                 return -1;
1531         pos++;
1532         WPA_PUT_LE16(conn_cap + 1, atoi(pos));
1533         pos = os_strchr(pos, ':');
1534         if (pos == NULL)
1535                 return -1;
1536         pos++;
1537         conn_cap[3] = atoi(pos);
1538         bss->hs20_connection_capability_len += 4;
1539
1540         return 0;
1541 }
1542
1543
1544 static int hs20_parse_wan_metrics(struct hostapd_bss_config *bss, char *buf,
1545                                   int line)
1546 {
1547         u8 *wan_metrics;
1548         char *pos;
1549
1550         /* <WAN Info>:<DL Speed>:<UL Speed>:<DL Load>:<UL Load>:<LMD> */
1551
1552         wan_metrics = os_zalloc(13);
1553         if (wan_metrics == NULL)
1554                 return -1;
1555
1556         pos = buf;
1557         /* WAN Info */
1558         if (hexstr2bin(pos, wan_metrics, 1) < 0)
1559                 goto fail;
1560         pos += 2;
1561         if (*pos != ':')
1562                 goto fail;
1563         pos++;
1564
1565         /* Downlink Speed */
1566         WPA_PUT_LE32(wan_metrics + 1, atoi(pos));
1567         pos = os_strchr(pos, ':');
1568         if (pos == NULL)
1569                 goto fail;
1570         pos++;
1571
1572         /* Uplink Speed */
1573         WPA_PUT_LE32(wan_metrics + 5, atoi(pos));
1574         pos = os_strchr(pos, ':');
1575         if (pos == NULL)
1576                 goto fail;
1577         pos++;
1578
1579         /* Downlink Load */
1580         wan_metrics[9] = atoi(pos);
1581         pos = os_strchr(pos, ':');
1582         if (pos == NULL)
1583                 goto fail;
1584         pos++;
1585
1586         /* Uplink Load */
1587         wan_metrics[10] = atoi(pos);
1588         pos = os_strchr(pos, ':');
1589         if (pos == NULL)
1590                 goto fail;
1591         pos++;
1592
1593         /* LMD */
1594         WPA_PUT_LE16(wan_metrics + 11, atoi(pos));
1595
1596         os_free(bss->hs20_wan_metrics);
1597         bss->hs20_wan_metrics = wan_metrics;
1598
1599         return 0;
1600
1601 fail:
1602         wpa_printf(MSG_ERROR, "Line %d: Invalid hs20_wan_metrics '%s'",
1603                    line, buf);
1604         os_free(wan_metrics);
1605         return -1;
1606 }
1607
1608
1609 static int hs20_parse_oper_friendly_name(struct hostapd_bss_config *bss,
1610                                          char *pos, int line)
1611 {
1612         if (parse_lang_string(&bss->hs20_oper_friendly_name,
1613                               &bss->hs20_oper_friendly_name_count, pos)) {
1614                 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1615                            "hs20_oper_friendly_name '%s'", line, pos);
1616                 return -1;
1617         }
1618         return 0;
1619 }
1620
1621
1622 static int hs20_parse_icon(struct hostapd_bss_config *bss, char *pos)
1623 {
1624         struct hs20_icon *icon;
1625         char *end;
1626
1627         icon = os_realloc_array(bss->hs20_icons, bss->hs20_icons_count + 1,
1628                                 sizeof(struct hs20_icon));
1629         if (icon == NULL)
1630                 return -1;
1631         bss->hs20_icons = icon;
1632         icon = &bss->hs20_icons[bss->hs20_icons_count];
1633         os_memset(icon, 0, sizeof(*icon));
1634
1635         icon->width = atoi(pos);
1636         pos = os_strchr(pos, ':');
1637         if (pos == NULL)
1638                 return -1;
1639         pos++;
1640
1641         icon->height = atoi(pos);
1642         pos = os_strchr(pos, ':');
1643         if (pos == NULL)
1644                 return -1;
1645         pos++;
1646
1647         end = os_strchr(pos, ':');
1648         if (end == NULL || end - pos > 3)
1649                 return -1;
1650         os_memcpy(icon->language, pos, end - pos);
1651         pos = end + 1;
1652
1653         end = os_strchr(pos, ':');
1654         if (end == NULL || end - pos > 255)
1655                 return -1;
1656         os_memcpy(icon->type, pos, end - pos);
1657         pos = end + 1;
1658
1659         end = os_strchr(pos, ':');
1660         if (end == NULL || end - pos > 255)
1661                 return -1;
1662         os_memcpy(icon->name, pos, end - pos);
1663         pos = end + 1;
1664
1665         if (os_strlen(pos) > 255)
1666                 return -1;
1667         os_memcpy(icon->file, pos, os_strlen(pos));
1668
1669         bss->hs20_icons_count++;
1670
1671         return 0;
1672 }
1673
1674
1675 static int hs20_parse_osu_ssid(struct hostapd_bss_config *bss,
1676                                char *pos, int line)
1677 {
1678         size_t slen;
1679         char *str;
1680
1681         str = wpa_config_parse_string(pos, &slen);
1682         if (str == NULL || slen < 1 || slen > HOSTAPD_MAX_SSID_LEN) {
1683                 wpa_printf(MSG_ERROR, "Line %d: Invalid SSID '%s'", line, pos);
1684                 os_free(str);
1685                 return -1;
1686         }
1687
1688         os_memcpy(bss->osu_ssid, str, slen);
1689         bss->osu_ssid_len = slen;
1690         os_free(str);
1691
1692         return 0;
1693 }
1694
1695
1696 static int hs20_parse_osu_server_uri(struct hostapd_bss_config *bss,
1697                                      char *pos, int line)
1698 {
1699         struct hs20_osu_provider *p;
1700
1701         p = os_realloc_array(bss->hs20_osu_providers,
1702                              bss->hs20_osu_providers_count + 1, sizeof(*p));
1703         if (p == NULL)
1704                 return -1;
1705
1706         bss->hs20_osu_providers = p;
1707         bss->last_osu = &bss->hs20_osu_providers[bss->hs20_osu_providers_count];
1708         bss->hs20_osu_providers_count++;
1709         os_memset(bss->last_osu, 0, sizeof(*p));
1710         bss->last_osu->server_uri = os_strdup(pos);
1711
1712         return 0;
1713 }
1714
1715
1716 static int hs20_parse_osu_friendly_name(struct hostapd_bss_config *bss,
1717                                         char *pos, int line)
1718 {
1719         if (bss->last_osu == NULL) {
1720                 wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
1721                 return -1;
1722         }
1723
1724         if (parse_lang_string(&bss->last_osu->friendly_name,
1725                               &bss->last_osu->friendly_name_count, pos)) {
1726                 wpa_printf(MSG_ERROR, "Line %d: Invalid osu_friendly_name '%s'",
1727                            line, pos);
1728                 return -1;
1729         }
1730
1731         return 0;
1732 }
1733
1734
1735 static int hs20_parse_osu_nai(struct hostapd_bss_config *bss,
1736                               char *pos, int line)
1737 {
1738         if (bss->last_osu == NULL) {
1739                 wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
1740                 return -1;
1741         }
1742
1743         os_free(bss->last_osu->osu_nai);
1744         bss->last_osu->osu_nai = os_strdup(pos);
1745         if (bss->last_osu->osu_nai == NULL)
1746                 return -1;
1747
1748         return 0;
1749 }
1750
1751
1752 static int hs20_parse_osu_method_list(struct hostapd_bss_config *bss, char *pos,
1753                                       int line)
1754 {
1755         if (bss->last_osu == NULL) {
1756                 wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
1757                 return -1;
1758         }
1759
1760         if (hostapd_parse_intlist(&bss->last_osu->method_list, pos)) {
1761                 wpa_printf(MSG_ERROR, "Line %d: Invalid osu_method_list", line);
1762                 return -1;
1763         }
1764
1765         return 0;
1766 }
1767
1768
1769 static int hs20_parse_osu_icon(struct hostapd_bss_config *bss, char *pos,
1770                                int line)
1771 {
1772         char **n;
1773         struct hs20_osu_provider *p = bss->last_osu;
1774
1775         if (p == NULL) {
1776                 wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
1777                 return -1;
1778         }
1779
1780         n = os_realloc_array(p->icons, p->icons_count + 1, sizeof(char *));
1781         if (n == NULL)
1782                 return -1;
1783         p->icons = n;
1784         p->icons[p->icons_count] = os_strdup(pos);
1785         if (p->icons[p->icons_count] == NULL)
1786                 return -1;
1787         p->icons_count++;
1788
1789         return 0;
1790 }
1791
1792
1793 static int hs20_parse_osu_service_desc(struct hostapd_bss_config *bss,
1794                                        char *pos, int line)
1795 {
1796         if (bss->last_osu == NULL) {
1797                 wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
1798                 return -1;
1799         }
1800
1801         if (parse_lang_string(&bss->last_osu->service_desc,
1802                               &bss->last_osu->service_desc_count, pos)) {
1803                 wpa_printf(MSG_ERROR, "Line %d: Invalid osu_service_desc '%s'",
1804                            line, pos);
1805                 return -1;
1806         }
1807
1808         return 0;
1809 }
1810
1811 #endif /* CONFIG_HS20 */
1812
1813
1814 #ifdef CONFIG_WPS_NFC
1815 static struct wpabuf * hostapd_parse_bin(const char *buf)
1816 {
1817         size_t len;
1818         struct wpabuf *ret;
1819
1820         len = os_strlen(buf);
1821         if (len & 0x01)
1822                 return NULL;
1823         len /= 2;
1824
1825         ret = wpabuf_alloc(len);
1826         if (ret == NULL)
1827                 return NULL;
1828
1829         if (hexstr2bin(buf, wpabuf_put(ret, len), len)) {
1830                 wpabuf_free(ret);
1831                 return NULL;
1832         }
1833
1834         return ret;
1835 }
1836 #endif /* CONFIG_WPS_NFC */
1837
1838
1839 static int hostapd_config_fill(struct hostapd_config *conf,
1840                                struct hostapd_bss_config *bss,
1841                                char *buf, char *pos, int line)
1842 {
1843         if (os_strcmp(buf, "interface") == 0) {
1844                 os_strlcpy(conf->bss[0]->iface, pos,
1845                            sizeof(conf->bss[0]->iface));
1846         } else if (os_strcmp(buf, "bridge") == 0) {
1847                 os_strlcpy(bss->bridge, pos, sizeof(bss->bridge));
1848         } else if (os_strcmp(buf, "vlan_bridge") == 0) {
1849                 os_strlcpy(bss->vlan_bridge, pos, sizeof(bss->vlan_bridge));
1850         } else if (os_strcmp(buf, "wds_bridge") == 0) {
1851                 os_strlcpy(bss->wds_bridge, pos, sizeof(bss->wds_bridge));
1852         } else if (os_strcmp(buf, "driver") == 0) {
1853                 int j;
1854                 /* clear to get error below if setting is invalid */
1855                 conf->driver = NULL;
1856                 for (j = 0; wpa_drivers[j]; j++) {
1857                         if (os_strcmp(pos, wpa_drivers[j]->name) == 0) {
1858                                 conf->driver = wpa_drivers[j];
1859                                 break;
1860                         }
1861                 }
1862                 if (conf->driver == NULL) {
1863                         wpa_printf(MSG_ERROR,
1864                                    "Line %d: invalid/unknown driver '%s'",
1865                                    line, pos);
1866                         return 1;
1867                 }
1868         } else if (os_strcmp(buf, "debug") == 0) {
1869                 wpa_printf(MSG_DEBUG, "Line %d: DEPRECATED: 'debug' configuration variable is not used anymore",
1870                            line);
1871         } else if (os_strcmp(buf, "logger_syslog_level") == 0) {
1872                 bss->logger_syslog_level = atoi(pos);
1873         } else if (os_strcmp(buf, "logger_stdout_level") == 0) {
1874                 bss->logger_stdout_level = atoi(pos);
1875         } else if (os_strcmp(buf, "logger_syslog") == 0) {
1876                 bss->logger_syslog = atoi(pos);
1877         } else if (os_strcmp(buf, "logger_stdout") == 0) {
1878                 bss->logger_stdout = atoi(pos);
1879         } else if (os_strcmp(buf, "dump_file") == 0) {
1880                 wpa_printf(MSG_INFO, "Line %d: DEPRECATED: 'dump_file' configuration variable is not used anymore",
1881                            line);
1882         } else if (os_strcmp(buf, "ssid") == 0) {
1883                 bss->ssid.ssid_len = os_strlen(pos);
1884                 if (bss->ssid.ssid_len > HOSTAPD_MAX_SSID_LEN ||
1885                     bss->ssid.ssid_len < 1) {
1886                         wpa_printf(MSG_ERROR, "Line %d: invalid SSID '%s'",
1887                                    line, pos);
1888                         return 1;
1889                 }
1890                 os_memcpy(bss->ssid.ssid, pos, bss->ssid.ssid_len);
1891                 bss->ssid.ssid_set = 1;
1892         } else if (os_strcmp(buf, "ssid2") == 0) {
1893                 size_t slen;
1894                 char *str = wpa_config_parse_string(pos, &slen);
1895                 if (str == NULL || slen < 1 || slen > HOSTAPD_MAX_SSID_LEN) {
1896                         wpa_printf(MSG_ERROR, "Line %d: invalid SSID '%s'",
1897                                    line, pos);
1898                         os_free(str);
1899                         return 1;
1900                 }
1901                 os_memcpy(bss->ssid.ssid, str, slen);
1902                 bss->ssid.ssid_len = slen;
1903                 bss->ssid.ssid_set = 1;
1904                 os_free(str);
1905         } else if (os_strcmp(buf, "utf8_ssid") == 0) {
1906                 bss->ssid.utf8_ssid = atoi(pos) > 0;
1907         } else if (os_strcmp(buf, "macaddr_acl") == 0) {
1908                 bss->macaddr_acl = atoi(pos);
1909                 if (bss->macaddr_acl != ACCEPT_UNLESS_DENIED &&
1910                     bss->macaddr_acl != DENY_UNLESS_ACCEPTED &&
1911                     bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
1912                         wpa_printf(MSG_ERROR, "Line %d: unknown macaddr_acl %d",
1913                                    line, bss->macaddr_acl);
1914                 }
1915         } else if (os_strcmp(buf, "accept_mac_file") == 0) {
1916                 if (hostapd_config_read_maclist(pos, &bss->accept_mac,
1917                                                 &bss->num_accept_mac)) {
1918                         wpa_printf(MSG_ERROR, "Line %d: Failed to read accept_mac_file '%s'",
1919                                    line, pos);
1920                         return 1;
1921                 }
1922         } else if (os_strcmp(buf, "deny_mac_file") == 0) {
1923                 if (hostapd_config_read_maclist(pos, &bss->deny_mac,
1924                                                 &bss->num_deny_mac)) {
1925                         wpa_printf(MSG_ERROR, "Line %d: Failed to read deny_mac_file '%s'",
1926                                    line, pos);
1927                         return 1;
1928                 }
1929         } else if (os_strcmp(buf, "wds_sta") == 0) {
1930                 bss->wds_sta = atoi(pos);
1931         } else if (os_strcmp(buf, "start_disabled") == 0) {
1932                 bss->start_disabled = atoi(pos);
1933         } else if (os_strcmp(buf, "ap_isolate") == 0) {
1934                 bss->isolate = atoi(pos);
1935         } else if (os_strcmp(buf, "ap_max_inactivity") == 0) {
1936                 bss->ap_max_inactivity = atoi(pos);
1937         } else if (os_strcmp(buf, "skip_inactivity_poll") == 0) {
1938                 bss->skip_inactivity_poll = atoi(pos);
1939         } else if (os_strcmp(buf, "country_code") == 0) {
1940                 os_memcpy(conf->country, pos, 2);
1941                 /* FIX: make this configurable */
1942                 conf->country[2] = ' ';
1943         } else if (os_strcmp(buf, "ieee80211d") == 0) {
1944                 conf->ieee80211d = atoi(pos);
1945         } else if (os_strcmp(buf, "ieee80211h") == 0) {
1946                 conf->ieee80211h = atoi(pos);
1947         } else if (os_strcmp(buf, "ieee8021x") == 0) {
1948                 bss->ieee802_1x = atoi(pos);
1949         } else if (os_strcmp(buf, "eapol_version") == 0) {
1950                 bss->eapol_version = atoi(pos);
1951                 if (bss->eapol_version < 1 || bss->eapol_version > 2) {
1952                         wpa_printf(MSG_ERROR,
1953                                    "Line %d: invalid EAPOL version (%d): '%s'.",
1954                                    line, bss->eapol_version, pos);
1955                         return 1;
1956                 }
1957                 wpa_printf(MSG_DEBUG, "eapol_version=%d", bss->eapol_version);
1958 #ifdef EAP_SERVER
1959         } else if (os_strcmp(buf, "eap_authenticator") == 0) {
1960                 bss->eap_server = atoi(pos);
1961                 wpa_printf(MSG_ERROR, "Line %d: obsolete eap_authenticator used; this has been renamed to eap_server", line);
1962         } else if (os_strcmp(buf, "eap_server") == 0) {
1963                 bss->eap_server = atoi(pos);
1964         } else if (os_strcmp(buf, "eap_user_file") == 0) {
1965                 if (hostapd_config_read_eap_user(pos, bss))
1966                         return 1;
1967         } else if (os_strcmp(buf, "ca_cert") == 0) {
1968                 os_free(bss->ca_cert);
1969                 bss->ca_cert = os_strdup(pos);
1970         } else if (os_strcmp(buf, "server_cert") == 0) {
1971                 os_free(bss->server_cert);
1972                 bss->server_cert = os_strdup(pos);
1973         } else if (os_strcmp(buf, "private_key") == 0) {
1974                 os_free(bss->private_key);
1975                 bss->private_key = os_strdup(pos);
1976         } else if (os_strcmp(buf, "private_key_passwd") == 0) {
1977                 os_free(bss->private_key_passwd);
1978                 bss->private_key_passwd = os_strdup(pos);
1979         } else if (os_strcmp(buf, "check_crl") == 0) {
1980                 bss->check_crl = atoi(pos);
1981         } else if (os_strcmp(buf, "ocsp_stapling_response") == 0) {
1982                 os_free(bss->ocsp_stapling_response);
1983                 bss->ocsp_stapling_response = os_strdup(pos);
1984         } else if (os_strcmp(buf, "dh_file") == 0) {
1985                 os_free(bss->dh_file);
1986                 bss->dh_file = os_strdup(pos);
1987         } else if (os_strcmp(buf, "fragment_size") == 0) {
1988                 bss->fragment_size = atoi(pos);
1989 #ifdef EAP_SERVER_FAST
1990         } else if (os_strcmp(buf, "pac_opaque_encr_key") == 0) {
1991                 os_free(bss->pac_opaque_encr_key);
1992                 bss->pac_opaque_encr_key = os_malloc(16);
1993                 if (bss->pac_opaque_encr_key == NULL) {
1994                         wpa_printf(MSG_ERROR,
1995                                    "Line %d: No memory for pac_opaque_encr_key",
1996                                    line);
1997                         return 1;
1998                 } else if (hexstr2bin(pos, bss->pac_opaque_encr_key, 16)) {
1999                         wpa_printf(MSG_ERROR, "Line %d: Invalid pac_opaque_encr_key",
2000                                    line);
2001                         return 1;
2002                 }
2003         } else if (os_strcmp(buf, "eap_fast_a_id") == 0) {
2004                 size_t idlen = os_strlen(pos);
2005                 if (idlen & 1) {
2006                         wpa_printf(MSG_ERROR, "Line %d: Invalid eap_fast_a_id",
2007                                    line);
2008                         return 1;
2009                 }
2010                 os_free(bss->eap_fast_a_id);
2011                 bss->eap_fast_a_id = os_malloc(idlen / 2);
2012                 if (bss->eap_fast_a_id == NULL ||
2013                     hexstr2bin(pos, bss->eap_fast_a_id, idlen / 2)) {
2014                         wpa_printf(MSG_ERROR, "Line %d: Failed to parse eap_fast_a_id",
2015                                    line);
2016                         os_free(bss->eap_fast_a_id);
2017                         bss->eap_fast_a_id = NULL;
2018                         return 1;
2019                 } else {
2020                         bss->eap_fast_a_id_len = idlen / 2;
2021                 }
2022         } else if (os_strcmp(buf, "eap_fast_a_id_info") == 0) {
2023                 os_free(bss->eap_fast_a_id_info);
2024                 bss->eap_fast_a_id_info = os_strdup(pos);
2025         } else if (os_strcmp(buf, "eap_fast_prov") == 0) {
2026                 bss->eap_fast_prov = atoi(pos);
2027         } else if (os_strcmp(buf, "pac_key_lifetime") == 0) {
2028                 bss->pac_key_lifetime = atoi(pos);
2029         } else if (os_strcmp(buf, "pac_key_refresh_time") == 0) {
2030                 bss->pac_key_refresh_time = atoi(pos);
2031 #endif /* EAP_SERVER_FAST */
2032 #ifdef EAP_SERVER_SIM
2033         } else if (os_strcmp(buf, "eap_sim_db") == 0) {
2034                 os_free(bss->eap_sim_db);
2035                 bss->eap_sim_db = os_strdup(pos);
2036         } else if (os_strcmp(buf, "eap_sim_aka_result_ind") == 0) {
2037                 bss->eap_sim_aka_result_ind = atoi(pos);
2038 #endif /* EAP_SERVER_SIM */
2039 #ifdef EAP_SERVER_TNC
2040         } else if (os_strcmp(buf, "tnc") == 0) {
2041                 bss->tnc = atoi(pos);
2042 #endif /* EAP_SERVER_TNC */
2043 #ifdef EAP_SERVER_PWD
2044         } else if (os_strcmp(buf, "pwd_group") == 0) {
2045                 bss->pwd_group = atoi(pos);
2046 #endif /* EAP_SERVER_PWD */
2047 #endif /* EAP_SERVER */
2048         } else if (os_strcmp(buf, "eap_message") == 0) {
2049                 char *term;
2050                 os_free(bss->eap_req_id_text);
2051                 bss->eap_req_id_text = os_strdup(pos);
2052                 if (bss->eap_req_id_text == NULL) {
2053                         wpa_printf(MSG_ERROR, "Line %d: Failed to allocate memory for eap_req_id_text",
2054                                    line);
2055                         return 1;
2056                 }
2057                 bss->eap_req_id_text_len = os_strlen(bss->eap_req_id_text);
2058                 term = os_strstr(bss->eap_req_id_text, "\\0");
2059                 if (term) {
2060                         *term++ = '\0';
2061                         os_memmove(term, term + 1,
2062                                    bss->eap_req_id_text_len -
2063                                    (term - bss->eap_req_id_text) - 1);
2064                         bss->eap_req_id_text_len--;
2065                 }
2066         } else if (os_strcmp(buf, "wep_key_len_broadcast") == 0) {
2067                 bss->default_wep_key_len = atoi(pos);
2068                 if (bss->default_wep_key_len > 13) {
2069                         wpa_printf(MSG_ERROR, "Line %d: invalid WEP key len %lu (= %lu bits)",
2070                                    line,
2071                                    (unsigned long) bss->default_wep_key_len,
2072                                    (unsigned long)
2073                                    bss->default_wep_key_len * 8);
2074                         return 1;
2075                 }
2076         } else if (os_strcmp(buf, "wep_key_len_unicast") == 0) {
2077                 bss->individual_wep_key_len = atoi(pos);
2078                 if (bss->individual_wep_key_len < 0 ||
2079                     bss->individual_wep_key_len > 13) {
2080                         wpa_printf(MSG_ERROR, "Line %d: invalid WEP key len %d (= %d bits)",
2081                                    line, bss->individual_wep_key_len,
2082                                    bss->individual_wep_key_len * 8);
2083                         return 1;
2084                 }
2085         } else if (os_strcmp(buf, "wep_rekey_period") == 0) {
2086                 bss->wep_rekeying_period = atoi(pos);
2087                 if (bss->wep_rekeying_period < 0) {
2088                         wpa_printf(MSG_ERROR, "Line %d: invalid period %d",
2089                                    line, bss->wep_rekeying_period);
2090                         return 1;
2091                 }
2092         } else if (os_strcmp(buf, "eap_reauth_period") == 0) {
2093                 bss->eap_reauth_period = atoi(pos);
2094                 if (bss->eap_reauth_period < 0) {
2095                         wpa_printf(MSG_ERROR, "Line %d: invalid period %d",
2096                                    line, bss->eap_reauth_period);
2097                         return 1;
2098                 }
2099         } else if (os_strcmp(buf, "eapol_key_index_workaround") == 0) {
2100                 bss->eapol_key_index_workaround = atoi(pos);
2101 #ifdef CONFIG_IAPP
2102         } else if (os_strcmp(buf, "iapp_interface") == 0) {
2103                 bss->ieee802_11f = 1;
2104                 os_strlcpy(bss->iapp_iface, pos, sizeof(bss->iapp_iface));
2105 #endif /* CONFIG_IAPP */
2106         } else if (os_strcmp(buf, "own_ip_addr") == 0) {
2107                 if (hostapd_parse_ip_addr(pos, &bss->own_ip_addr)) {
2108                         wpa_printf(MSG_ERROR,
2109                                    "Line %d: invalid IP address '%s'",
2110                                    line, pos);
2111                         return 1;
2112                 }
2113         } else if (os_strcmp(buf, "nas_identifier") == 0) {
2114                 os_free(bss->nas_identifier);
2115                 bss->nas_identifier = os_strdup(pos);
2116 #ifndef CONFIG_NO_RADIUS
2117         } else if (os_strcmp(buf, "auth_server_addr") == 0) {
2118                 if (hostapd_config_read_radius_addr(
2119                             &bss->radius->auth_servers,
2120                             &bss->radius->num_auth_servers, pos, 1812,
2121                             &bss->radius->auth_server)) {
2122                         wpa_printf(MSG_ERROR,
2123                                    "Line %d: invalid IP address '%s'",
2124                                    line, pos);
2125                         return 1;
2126                 }
2127         } else if (bss->radius->auth_server &&
2128                    os_strcmp(buf, "auth_server_port") == 0) {
2129                 bss->radius->auth_server->port = atoi(pos);
2130         } else if (bss->radius->auth_server &&
2131                    os_strcmp(buf, "auth_server_shared_secret") == 0) {
2132                 int len = os_strlen(pos);
2133                 if (len == 0) {
2134                         /* RFC 2865, Ch. 3 */
2135                         wpa_printf(MSG_ERROR, "Line %d: empty shared secret is not allowed",
2136                                    line);
2137                         return 1;
2138                 }
2139                 os_free(bss->radius->auth_server->shared_secret);
2140                 bss->radius->auth_server->shared_secret = (u8 *) os_strdup(pos);
2141                 bss->radius->auth_server->shared_secret_len = len;
2142         } else if (os_strcmp(buf, "acct_server_addr") == 0) {
2143                 if (hostapd_config_read_radius_addr(
2144                             &bss->radius->acct_servers,
2145                             &bss->radius->num_acct_servers, pos, 1813,
2146                             &bss->radius->acct_server)) {
2147                         wpa_printf(MSG_ERROR,
2148                                    "Line %d: invalid IP address '%s'",
2149                                    line, pos);
2150                         return 1;
2151                 }
2152         } else if (bss->radius->acct_server &&
2153                    os_strcmp(buf, "acct_server_port") == 0) {
2154                 bss->radius->acct_server->port = atoi(pos);
2155         } else if (bss->radius->acct_server &&
2156                    os_strcmp(buf, "acct_server_shared_secret") == 0) {
2157                 int len = os_strlen(pos);
2158                 if (len == 0) {
2159                         /* RFC 2865, Ch. 3 */
2160                         wpa_printf(MSG_ERROR, "Line %d: empty shared secret is not allowed",
2161                                    line);
2162                         return 1;
2163                 }
2164                 os_free(bss->radius->acct_server->shared_secret);
2165                 bss->radius->acct_server->shared_secret = (u8 *) os_strdup(pos);
2166                 bss->radius->acct_server->shared_secret_len = len;
2167         } else if (os_strcmp(buf, "radius_retry_primary_interval") == 0) {
2168                 bss->radius->retry_primary_interval = atoi(pos);
2169         } else if (os_strcmp(buf, "radius_acct_interim_interval") == 0) {
2170                 bss->acct_interim_interval = atoi(pos);
2171         } else if (os_strcmp(buf, "radius_request_cui") == 0) {
2172                 bss->radius_request_cui = atoi(pos);
2173         } else if (os_strcmp(buf, "radius_auth_req_attr") == 0) {
2174                 struct hostapd_radius_attr *attr, *a;
2175                 attr = hostapd_parse_radius_attr(pos);
2176                 if (attr == NULL) {
2177                         wpa_printf(MSG_ERROR,
2178                                    "Line %d: invalid radius_auth_req_attr",
2179                                    line);
2180                         return 1;
2181                 } else if (bss->radius_auth_req_attr == NULL) {
2182                         bss->radius_auth_req_attr = attr;
2183                 } else {
2184                         a = bss->radius_auth_req_attr;
2185                         while (a->next)
2186                                 a = a->next;
2187                         a->next = attr;
2188                 }
2189         } else if (os_strcmp(buf, "radius_acct_req_attr") == 0) {
2190                 struct hostapd_radius_attr *attr, *a;
2191                 attr = hostapd_parse_radius_attr(pos);
2192                 if (attr == NULL) {
2193                         wpa_printf(MSG_ERROR,
2194                                    "Line %d: invalid radius_acct_req_attr",
2195                                    line);
2196                         return 1;
2197                 } else if (bss->radius_acct_req_attr == NULL) {
2198                         bss->radius_acct_req_attr = attr;
2199                 } else {
2200                         a = bss->radius_acct_req_attr;
2201                         while (a->next)
2202                                 a = a->next;
2203                         a->next = attr;
2204                 }
2205         } else if (os_strcmp(buf, "radius_das_port") == 0) {
2206                 bss->radius_das_port = atoi(pos);
2207         } else if (os_strcmp(buf, "radius_das_client") == 0) {
2208                 if (hostapd_parse_das_client(bss, pos) < 0) {
2209                         wpa_printf(MSG_ERROR, "Line %d: invalid DAS client",
2210                                    line);
2211                         return 1;
2212                 }
2213         } else if (os_strcmp(buf, "radius_das_time_window") == 0) {
2214                 bss->radius_das_time_window = atoi(pos);
2215         } else if (os_strcmp(buf, "radius_das_require_event_timestamp") == 0) {
2216                 bss->radius_das_require_event_timestamp = atoi(pos);
2217 #endif /* CONFIG_NO_RADIUS */
2218         } else if (os_strcmp(buf, "auth_algs") == 0) {
2219                 bss->auth_algs = atoi(pos);
2220                 if (bss->auth_algs == 0) {
2221                         wpa_printf(MSG_ERROR, "Line %d: no authentication algorithms allowed",
2222                                    line);
2223                         return 1;
2224                 }
2225         } else if (os_strcmp(buf, "max_num_sta") == 0) {
2226                 bss->max_num_sta = atoi(pos);
2227                 if (bss->max_num_sta < 0 ||
2228                     bss->max_num_sta > MAX_STA_COUNT) {
2229                         wpa_printf(MSG_ERROR, "Line %d: Invalid max_num_sta=%d; allowed range 0..%d",
2230                                    line, bss->max_num_sta, MAX_STA_COUNT);
2231                         return 1;
2232                 }
2233         } else if (os_strcmp(buf, "wpa") == 0) {
2234                 bss->wpa = atoi(pos);
2235         } else if (os_strcmp(buf, "wpa_group_rekey") == 0) {
2236                 bss->wpa_group_rekey = atoi(pos);
2237         } else if (os_strcmp(buf, "wpa_strict_rekey") == 0) {
2238                 bss->wpa_strict_rekey = atoi(pos);
2239         } else if (os_strcmp(buf, "wpa_gmk_rekey") == 0) {
2240                 bss->wpa_gmk_rekey = atoi(pos);
2241         } else if (os_strcmp(buf, "wpa_ptk_rekey") == 0) {
2242                 bss->wpa_ptk_rekey = atoi(pos);
2243         } else if (os_strcmp(buf, "wpa_passphrase") == 0) {
2244                 int len = os_strlen(pos);
2245                 if (len < 8 || len > 63) {
2246                         wpa_printf(MSG_ERROR, "Line %d: invalid WPA passphrase length %d (expected 8..63)",
2247                                    line, len);
2248                         return 1;
2249                 }
2250                 os_free(bss->ssid.wpa_passphrase);
2251                 bss->ssid.wpa_passphrase = os_strdup(pos);
2252                 if (bss->ssid.wpa_passphrase) {
2253                         os_free(bss->ssid.wpa_psk);
2254                         bss->ssid.wpa_psk = NULL;
2255                         bss->ssid.wpa_passphrase_set = 1;
2256                 }
2257         } else if (os_strcmp(buf, "wpa_psk") == 0) {
2258                 os_free(bss->ssid.wpa_psk);
2259                 bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
2260                 if (bss->ssid.wpa_psk == NULL)
2261                         return 1;
2262                 if (hexstr2bin(pos, bss->ssid.wpa_psk->psk, PMK_LEN) ||
2263                     pos[PMK_LEN * 2] != '\0') {
2264                         wpa_printf(MSG_ERROR, "Line %d: Invalid PSK '%s'.",
2265                                    line, pos);
2266                         os_free(bss->ssid.wpa_psk);
2267                         bss->ssid.wpa_psk = NULL;
2268                         return 1;
2269                 }
2270                 bss->ssid.wpa_psk->group = 1;
2271                 os_free(bss->ssid.wpa_passphrase);
2272                 bss->ssid.wpa_passphrase = NULL;
2273                 bss->ssid.wpa_psk_set = 1;
2274         } else if (os_strcmp(buf, "wpa_psk_file") == 0) {
2275                 os_free(bss->ssid.wpa_psk_file);
2276                 bss->ssid.wpa_psk_file = os_strdup(pos);
2277                 if (!bss->ssid.wpa_psk_file) {
2278                         wpa_printf(MSG_ERROR, "Line %d: allocation failed",
2279                                    line);
2280                         return 1;
2281                 }
2282         } else if (os_strcmp(buf, "wpa_key_mgmt") == 0) {
2283                 bss->wpa_key_mgmt = hostapd_config_parse_key_mgmt(line, pos);
2284                 if (bss->wpa_key_mgmt == -1)
2285                         return 1;
2286         } else if (os_strcmp(buf, "wpa_psk_radius") == 0) {
2287                 bss->wpa_psk_radius = atoi(pos);
2288                 if (bss->wpa_psk_radius != PSK_RADIUS_IGNORED &&
2289                     bss->wpa_psk_radius != PSK_RADIUS_ACCEPTED &&
2290                     bss->wpa_psk_radius != PSK_RADIUS_REQUIRED) {
2291                         wpa_printf(MSG_ERROR,
2292                                    "Line %d: unknown wpa_psk_radius %d",
2293                                    line, bss->wpa_psk_radius);
2294                         return 1;
2295                 }
2296         } else if (os_strcmp(buf, "wpa_pairwise") == 0) {
2297                 bss->wpa_pairwise = hostapd_config_parse_cipher(line, pos);
2298                 if (bss->wpa_pairwise == -1 || bss->wpa_pairwise == 0)
2299                         return 1;
2300                 if (bss->wpa_pairwise &
2301                     (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)) {
2302                         wpa_printf(MSG_ERROR, "Line %d: unsupported pairwise cipher suite '%s'",
2303                                    bss->wpa_pairwise, pos);
2304                         return 1;
2305                 }
2306         } else if (os_strcmp(buf, "rsn_pairwise") == 0) {
2307                 bss->rsn_pairwise = hostapd_config_parse_cipher(line, pos);
2308                 if (bss->rsn_pairwise == -1 || bss->rsn_pairwise == 0)
2309                         return 1;
2310                 if (bss->rsn_pairwise &
2311                     (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)) {
2312                         wpa_printf(MSG_ERROR, "Line %d: unsupported pairwise cipher suite '%s'",
2313                                    bss->rsn_pairwise, pos);
2314                         return 1;
2315                 }
2316 #ifdef CONFIG_RSN_PREAUTH
2317         } else if (os_strcmp(buf, "rsn_preauth") == 0) {
2318                 bss->rsn_preauth = atoi(pos);
2319         } else if (os_strcmp(buf, "rsn_preauth_interfaces") == 0) {
2320                 os_free(bss->rsn_preauth_interfaces);
2321                 bss->rsn_preauth_interfaces = os_strdup(pos);
2322 #endif /* CONFIG_RSN_PREAUTH */
2323 #ifdef CONFIG_PEERKEY
2324         } else if (os_strcmp(buf, "peerkey") == 0) {
2325                 bss->peerkey = atoi(pos);
2326 #endif /* CONFIG_PEERKEY */
2327 #ifdef CONFIG_IEEE80211R
2328         } else if (os_strcmp(buf, "mobility_domain") == 0) {
2329                 if (os_strlen(pos) != 2 * MOBILITY_DOMAIN_ID_LEN ||
2330                     hexstr2bin(pos, bss->mobility_domain,
2331                                MOBILITY_DOMAIN_ID_LEN) != 0) {
2332                         wpa_printf(MSG_ERROR,
2333                                    "Line %d: Invalid mobility_domain '%s'",
2334                                    line, pos);
2335                         return 1;
2336                 }
2337         } else if (os_strcmp(buf, "r1_key_holder") == 0) {
2338                 if (os_strlen(pos) != 2 * FT_R1KH_ID_LEN ||
2339                     hexstr2bin(pos, bss->r1_key_holder, FT_R1KH_ID_LEN) != 0) {
2340                         wpa_printf(MSG_ERROR,
2341                                    "Line %d: Invalid r1_key_holder '%s'",
2342                                    line, pos);
2343                         return 1;
2344                 }
2345         } else if (os_strcmp(buf, "r0_key_lifetime") == 0) {
2346                 bss->r0_key_lifetime = atoi(pos);
2347         } else if (os_strcmp(buf, "reassociation_deadline") == 0) {
2348                 bss->reassociation_deadline = atoi(pos);
2349         } else if (os_strcmp(buf, "r0kh") == 0) {
2350                 if (add_r0kh(bss, pos) < 0) {
2351                         wpa_printf(MSG_DEBUG, "Line %d: Invalid r0kh '%s'",
2352                                    line, pos);
2353                         return 1;
2354                 }
2355         } else if (os_strcmp(buf, "r1kh") == 0) {
2356                 if (add_r1kh(bss, pos) < 0) {
2357                         wpa_printf(MSG_DEBUG, "Line %d: Invalid r1kh '%s'",
2358                                    line, pos);
2359                         return 1;
2360                 }
2361         } else if (os_strcmp(buf, "pmk_r1_push") == 0) {
2362                 bss->pmk_r1_push = atoi(pos);
2363         } else if (os_strcmp(buf, "ft_over_ds") == 0) {
2364                 bss->ft_over_ds = atoi(pos);
2365 #endif /* CONFIG_IEEE80211R */
2366 #ifndef CONFIG_NO_CTRL_IFACE
2367         } else if (os_strcmp(buf, "ctrl_interface") == 0) {
2368                 os_free(bss->ctrl_interface);
2369                 bss->ctrl_interface = os_strdup(pos);
2370         } else if (os_strcmp(buf, "ctrl_interface_group") == 0) {
2371 #ifndef CONFIG_NATIVE_WINDOWS
2372                 struct group *grp;
2373                 char *endp;
2374                 const char *group = pos;
2375
2376                 grp = getgrnam(group);
2377                 if (grp) {
2378                         bss->ctrl_interface_gid = grp->gr_gid;
2379                         bss->ctrl_interface_gid_set = 1;
2380                         wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d (from group name '%s')",
2381                                    bss->ctrl_interface_gid, group);
2382                         return 0;
2383                 }
2384
2385                 /* Group name not found - try to parse this as gid */
2386                 bss->ctrl_interface_gid = strtol(group, &endp, 10);
2387                 if (*group == '\0' || *endp != '\0') {
2388                         wpa_printf(MSG_DEBUG, "Line %d: Invalid group '%s'",
2389                                    line, group);
2390                         return 1;
2391                 }
2392                 bss->ctrl_interface_gid_set = 1;
2393                 wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d",
2394                            bss->ctrl_interface_gid);
2395 #endif /* CONFIG_NATIVE_WINDOWS */
2396 #endif /* CONFIG_NO_CTRL_IFACE */
2397 #ifdef RADIUS_SERVER
2398         } else if (os_strcmp(buf, "radius_server_clients") == 0) {
2399                 os_free(bss->radius_server_clients);
2400                 bss->radius_server_clients = os_strdup(pos);
2401         } else if (os_strcmp(buf, "radius_server_auth_port") == 0) {
2402                 bss->radius_server_auth_port = atoi(pos);
2403         } else if (os_strcmp(buf, "radius_server_acct_port") == 0) {
2404                 bss->radius_server_acct_port = atoi(pos);
2405         } else if (os_strcmp(buf, "radius_server_ipv6") == 0) {
2406                 bss->radius_server_ipv6 = atoi(pos);
2407 #endif /* RADIUS_SERVER */
2408         } else if (os_strcmp(buf, "test_socket") == 0) {
2409                 os_free(bss->test_socket);
2410                 bss->test_socket = os_strdup(pos);
2411         } else if (os_strcmp(buf, "use_pae_group_addr") == 0) {
2412                 bss->use_pae_group_addr = atoi(pos);
2413         } else if (os_strcmp(buf, "hw_mode") == 0) {
2414                 if (os_strcmp(pos, "a") == 0)
2415                         conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
2416                 else if (os_strcmp(pos, "b") == 0)
2417                         conf->hw_mode = HOSTAPD_MODE_IEEE80211B;
2418                 else if (os_strcmp(pos, "g") == 0)
2419                         conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
2420                 else if (os_strcmp(pos, "ad") == 0)
2421                         conf->hw_mode = HOSTAPD_MODE_IEEE80211AD;
2422                 else {
2423                         wpa_printf(MSG_ERROR, "Line %d: unknown hw_mode '%s'",
2424                                    line, pos);
2425                         return 1;
2426                 }
2427         } else if (os_strcmp(buf, "wps_rf_bands") == 0) {
2428                 if (os_strcmp(pos, "a") == 0)
2429                         bss->wps_rf_bands = WPS_RF_50GHZ;
2430                 else if (os_strcmp(pos, "g") == 0 ||
2431                          os_strcmp(pos, "b") == 0)
2432                         bss->wps_rf_bands = WPS_RF_24GHZ;
2433                 else if (os_strcmp(pos, "ag") == 0 ||
2434                          os_strcmp(pos, "ga") == 0)
2435                         bss->wps_rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ;
2436                 else {
2437                         wpa_printf(MSG_ERROR,
2438                                    "Line %d: unknown wps_rf_band '%s'",
2439                                    line, pos);
2440                         return 1;
2441                 }
2442         } else if (os_strcmp(buf, "channel") == 0) {
2443                 if (os_strcmp(pos, "acs_survey") == 0) {
2444 #ifndef CONFIG_ACS
2445                         wpa_printf(MSG_ERROR, "Line %d: tries to enable ACS but CONFIG_ACS disabled",
2446                                    line);
2447                         return 1;
2448 #else /* CONFIG_ACS */
2449                         conf->channel = 0;
2450 #endif /* CONFIG_ACS */
2451                 } else
2452                         conf->channel = atoi(pos);
2453         } else if (os_strcmp(buf, "chanlist") == 0) {
2454                 if (hostapd_parse_intlist(&conf->chanlist, pos)) {
2455                         wpa_printf(MSG_ERROR, "Line %d: invalid channel list",
2456                                    line);
2457                         return 1;
2458                 }
2459         } else if (os_strcmp(buf, "beacon_int") == 0) {
2460                 int val = atoi(pos);
2461                 /* MIB defines range as 1..65535, but very small values
2462                  * cause problems with the current implementation.
2463                  * Since it is unlikely that this small numbers are
2464                  * useful in real life scenarios, do not allow beacon
2465                  * period to be set below 15 TU. */
2466                 if (val < 15 || val > 65535) {
2467                         wpa_printf(MSG_ERROR, "Line %d: invalid beacon_int %d (expected 15..65535)",
2468                                    line, val);
2469                         return 1;
2470                 }
2471                 conf->beacon_int = val;
2472 #ifdef CONFIG_ACS
2473         } else if (os_strcmp(buf, "acs_num_scans") == 0) {
2474                 int val = atoi(pos);
2475                 if (val <= 0 || val > 100) {
2476                         wpa_printf(MSG_ERROR, "Line %d: invalid acs_num_scans %d (expected 1..100)",
2477                                    line, val);
2478                         return 1;
2479                 }
2480                 conf->acs_num_scans = val;
2481 #endif /* CONFIG_ACS */
2482         } else if (os_strcmp(buf, "dtim_period") == 0) {
2483                 bss->dtim_period = atoi(pos);
2484                 if (bss->dtim_period < 1 || bss->dtim_period > 255) {
2485                         wpa_printf(MSG_ERROR, "Line %d: invalid dtim_period %d",
2486                                    line, bss->dtim_period);
2487                         return 1;
2488                 }
2489         } else if (os_strcmp(buf, "rts_threshold") == 0) {
2490                 conf->rts_threshold = atoi(pos);
2491                 if (conf->rts_threshold < 0 || conf->rts_threshold > 2347) {
2492                         wpa_printf(MSG_ERROR,
2493                                    "Line %d: invalid rts_threshold %d",
2494                                    line, conf->rts_threshold);
2495                         return 1;
2496                 }
2497         } else if (os_strcmp(buf, "fragm_threshold") == 0) {
2498                 conf->fragm_threshold = atoi(pos);
2499                 if (conf->fragm_threshold < 256 ||
2500                     conf->fragm_threshold > 2346) {
2501                         wpa_printf(MSG_ERROR,
2502                                    "Line %d: invalid fragm_threshold %d",
2503                                    line, conf->fragm_threshold);
2504                         return 1;
2505                 }
2506         } else if (os_strcmp(buf, "send_probe_response") == 0) {
2507                 int val = atoi(pos);
2508                 if (val != 0 && val != 1) {
2509                         wpa_printf(MSG_ERROR, "Line %d: invalid send_probe_response %d (expected 0 or 1)",
2510                                    line, val);
2511                         return 1;
2512                 }
2513                 conf->send_probe_response = val;
2514         } else if (os_strcmp(buf, "supported_rates") == 0) {
2515                 if (hostapd_parse_intlist(&conf->supported_rates, pos)) {
2516                         wpa_printf(MSG_ERROR, "Line %d: invalid rate list",
2517                                    line);
2518                         return 1;
2519                 }
2520         } else if (os_strcmp(buf, "basic_rates") == 0) {
2521                 if (hostapd_parse_intlist(&conf->basic_rates, pos)) {
2522                         wpa_printf(MSG_ERROR, "Line %d: invalid rate list",
2523                                    line);
2524                         return 1;
2525                 }
2526         } else if (os_strcmp(buf, "preamble") == 0) {
2527                 if (atoi(pos))
2528                         conf->preamble = SHORT_PREAMBLE;
2529                 else
2530                         conf->preamble = LONG_PREAMBLE;
2531         } else if (os_strcmp(buf, "ignore_broadcast_ssid") == 0) {
2532                 bss->ignore_broadcast_ssid = atoi(pos);
2533         } else if (os_strcmp(buf, "wep_default_key") == 0) {
2534                 bss->ssid.wep.idx = atoi(pos);
2535                 if (bss->ssid.wep.idx > 3) {
2536                         wpa_printf(MSG_ERROR,
2537                                    "Invalid wep_default_key index %d",
2538                                    bss->ssid.wep.idx);
2539                         return 1;
2540                 }
2541         } else if (os_strcmp(buf, "wep_key0") == 0 ||
2542                    os_strcmp(buf, "wep_key1") == 0 ||
2543                    os_strcmp(buf, "wep_key2") == 0 ||
2544                    os_strcmp(buf, "wep_key3") == 0) {
2545                 if (hostapd_config_read_wep(&bss->ssid.wep,
2546                                             buf[7] - '0', pos)) {
2547                         wpa_printf(MSG_ERROR, "Line %d: invalid WEP key '%s'",
2548                                    line, buf);
2549                         return 1;
2550                 }
2551 #ifndef CONFIG_NO_VLAN
2552         } else if (os_strcmp(buf, "dynamic_vlan") == 0) {
2553                 bss->ssid.dynamic_vlan = atoi(pos);
2554         } else if (os_strcmp(buf, "vlan_file") == 0) {
2555                 if (hostapd_config_read_vlan_file(bss, pos)) {
2556                         wpa_printf(MSG_ERROR, "Line %d: failed to read VLAN file '%s'",
2557                                    line, pos);
2558                         return 1;
2559                 }
2560         } else if (os_strcmp(buf, "vlan_naming") == 0) {
2561                 bss->ssid.vlan_naming = atoi(pos);
2562                 if (bss->ssid.vlan_naming >= DYNAMIC_VLAN_NAMING_END ||
2563                     bss->ssid.vlan_naming < 0) {
2564                         wpa_printf(MSG_ERROR,
2565                                    "Line %d: invalid naming scheme %d",
2566                                    line, bss->ssid.vlan_naming);
2567                         return 1;
2568                 }
2569 #ifdef CONFIG_FULL_DYNAMIC_VLAN
2570         } else if (os_strcmp(buf, "vlan_tagged_interface") == 0) {
2571                 os_free(bss->ssid.vlan_tagged_interface);
2572                 bss->ssid.vlan_tagged_interface = os_strdup(pos);
2573 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
2574 #endif /* CONFIG_NO_VLAN */
2575         } else if (os_strcmp(buf, "ap_table_max_size") == 0) {
2576                 conf->ap_table_max_size = atoi(pos);
2577         } else if (os_strcmp(buf, "ap_table_expiration_time") == 0) {
2578                 conf->ap_table_expiration_time = atoi(pos);
2579         } else if (os_strncmp(buf, "tx_queue_", 9) == 0) {
2580                 if (hostapd_config_tx_queue(conf, buf, pos)) {
2581                         wpa_printf(MSG_ERROR, "Line %d: invalid TX queue item",
2582                                    line);
2583                         return 1;
2584                 }
2585         } else if (os_strcmp(buf, "wme_enabled") == 0 ||
2586                    os_strcmp(buf, "wmm_enabled") == 0) {
2587                 bss->wmm_enabled = atoi(pos);
2588         } else if (os_strcmp(buf, "uapsd_advertisement_enabled") == 0) {
2589                 bss->wmm_uapsd = atoi(pos);
2590         } else if (os_strncmp(buf, "wme_ac_", 7) == 0 ||
2591                    os_strncmp(buf, "wmm_ac_", 7) == 0) {
2592                 if (hostapd_config_wmm_ac(conf->wmm_ac_params, buf, pos)) {
2593                         wpa_printf(MSG_ERROR, "Line %d: invalid WMM ac item",
2594                                    line);
2595                         return 1;
2596                 }
2597         } else if (os_strcmp(buf, "bss") == 0) {
2598                 if (hostapd_config_bss(conf, pos)) {
2599                         wpa_printf(MSG_ERROR, "Line %d: invalid bss item",
2600                                    line);
2601                         return 1;
2602                 }
2603         } else if (os_strcmp(buf, "bssid") == 0) {
2604                 if (hwaddr_aton(pos, bss->bssid)) {
2605                         wpa_printf(MSG_ERROR, "Line %d: invalid bssid item",
2606                                    line);
2607                         return 1;
2608                 }
2609 #ifdef CONFIG_IEEE80211W
2610         } else if (os_strcmp(buf, "ieee80211w") == 0) {
2611                 bss->ieee80211w = atoi(pos);
2612         } else if (os_strcmp(buf, "group_mgmt_cipher") == 0) {
2613                 if (os_strcmp(pos, "AES-128-CMAC") == 0) {
2614                         bss->group_mgmt_cipher = WPA_CIPHER_AES_128_CMAC;
2615                 } else if (os_strcmp(pos, "BIP-GMAC-128") == 0) {
2616                         bss->group_mgmt_cipher = WPA_CIPHER_BIP_GMAC_128;
2617                 } else if (os_strcmp(pos, "BIP-GMAC-256") == 0) {
2618                         bss->group_mgmt_cipher = WPA_CIPHER_BIP_GMAC_256;
2619                 } else if (os_strcmp(pos, "BIP-CMAC-256") == 0) {
2620                         bss->group_mgmt_cipher = WPA_CIPHER_BIP_CMAC_256;
2621                 } else {
2622                         wpa_printf(MSG_ERROR, "Line %d: invalid group_mgmt_cipher: %s",
2623                                    line, pos);
2624                         return 1;
2625                 }
2626         } else if (os_strcmp(buf, "assoc_sa_query_max_timeout") == 0) {
2627                 bss->assoc_sa_query_max_timeout = atoi(pos);
2628                 if (bss->assoc_sa_query_max_timeout == 0) {
2629                         wpa_printf(MSG_ERROR, "Line %d: invalid assoc_sa_query_max_timeout",
2630                                    line);
2631                         return 1;
2632                 }
2633         } else if (os_strcmp(buf, "assoc_sa_query_retry_timeout") == 0) {
2634                 bss->assoc_sa_query_retry_timeout = atoi(pos);
2635                 if (bss->assoc_sa_query_retry_timeout == 0) {
2636                         wpa_printf(MSG_ERROR, "Line %d: invalid assoc_sa_query_retry_timeout",
2637                                    line);
2638                         return 1;
2639                 }
2640 #endif /* CONFIG_IEEE80211W */
2641 #ifdef CONFIG_IEEE80211N
2642         } else if (os_strcmp(buf, "ieee80211n") == 0) {
2643                 conf->ieee80211n = atoi(pos);
2644         } else if (os_strcmp(buf, "ht_capab") == 0) {
2645                 if (hostapd_config_ht_capab(conf, pos) < 0) {
2646                         wpa_printf(MSG_ERROR, "Line %d: invalid ht_capab",
2647                                    line);
2648                         return 1;
2649                 }
2650         } else if (os_strcmp(buf, "require_ht") == 0) {
2651                 conf->require_ht = atoi(pos);
2652         } else if (os_strcmp(buf, "obss_interval") == 0) {
2653                 conf->obss_interval = atoi(pos);
2654 #endif /* CONFIG_IEEE80211N */
2655 #ifdef CONFIG_IEEE80211AC
2656         } else if (os_strcmp(buf, "ieee80211ac") == 0) {
2657                 conf->ieee80211ac = atoi(pos);
2658         } else if (os_strcmp(buf, "vht_capab") == 0) {
2659                 if (hostapd_config_vht_capab(conf, pos) < 0) {
2660                         wpa_printf(MSG_ERROR, "Line %d: invalid vht_capab",
2661                                    line);
2662                         return 1;
2663                 }
2664         } else if (os_strcmp(buf, "require_vht") == 0) {
2665                 conf->require_vht = atoi(pos);
2666         } else if (os_strcmp(buf, "vht_oper_chwidth") == 0) {
2667                 conf->vht_oper_chwidth = atoi(pos);
2668         } else if (os_strcmp(buf, "vht_oper_centr_freq_seg0_idx") == 0) {
2669                 conf->vht_oper_centr_freq_seg0_idx = atoi(pos);
2670         } else if (os_strcmp(buf, "vht_oper_centr_freq_seg1_idx") == 0) {
2671                 conf->vht_oper_centr_freq_seg1_idx = atoi(pos);
2672 #endif /* CONFIG_IEEE80211AC */
2673         } else if (os_strcmp(buf, "max_listen_interval") == 0) {
2674                 bss->max_listen_interval = atoi(pos);
2675         } else if (os_strcmp(buf, "disable_pmksa_caching") == 0) {
2676                 bss->disable_pmksa_caching = atoi(pos);
2677         } else if (os_strcmp(buf, "okc") == 0) {
2678                 bss->okc = atoi(pos);
2679 #ifdef CONFIG_WPS
2680         } else if (os_strcmp(buf, "wps_state") == 0) {
2681                 bss->wps_state = atoi(pos);
2682                 if (bss->wps_state < 0 || bss->wps_state > 2) {
2683                         wpa_printf(MSG_ERROR, "Line %d: invalid wps_state",
2684                                    line);
2685                         return 1;
2686                 }
2687         } else if (os_strcmp(buf, "wps_independent") == 0) {
2688                 bss->wps_independent = atoi(pos);
2689         } else if (os_strcmp(buf, "ap_setup_locked") == 0) {
2690                 bss->ap_setup_locked = atoi(pos);
2691         } else if (os_strcmp(buf, "uuid") == 0) {
2692                 if (uuid_str2bin(pos, bss->uuid)) {
2693                         wpa_printf(MSG_ERROR, "Line %d: invalid UUID", line);
2694                         return 1;
2695                 }
2696         } else if (os_strcmp(buf, "wps_pin_requests") == 0) {
2697                 os_free(bss->wps_pin_requests);
2698                 bss->wps_pin_requests = os_strdup(pos);
2699         } else if (os_strcmp(buf, "device_name") == 0) {
2700                 if (os_strlen(pos) > 32) {
2701                         wpa_printf(MSG_ERROR, "Line %d: Too long "
2702                                    "device_name", line);
2703                         return 1;
2704                 }
2705                 os_free(bss->device_name);
2706                 bss->device_name = os_strdup(pos);
2707         } else if (os_strcmp(buf, "manufacturer") == 0) {
2708                 if (os_strlen(pos) > 64) {
2709                         wpa_printf(MSG_ERROR, "Line %d: Too long manufacturer",
2710                                    line);
2711                         return 1;
2712                 }
2713                 os_free(bss->manufacturer);
2714                 bss->manufacturer = os_strdup(pos);
2715         } else if (os_strcmp(buf, "model_name") == 0) {
2716                 if (os_strlen(pos) > 32) {
2717                         wpa_printf(MSG_ERROR, "Line %d: Too long model_name",
2718                                    line);
2719                         return 1;
2720                 }
2721                 os_free(bss->model_name);
2722                 bss->model_name = os_strdup(pos);
2723         } else if (os_strcmp(buf, "model_number") == 0) {
2724                 if (os_strlen(pos) > 32) {
2725                         wpa_printf(MSG_ERROR, "Line %d: Too long model_number",
2726                                    line);
2727                         return 1;
2728                 }
2729                 os_free(bss->model_number);
2730                 bss->model_number = os_strdup(pos);
2731         } else if (os_strcmp(buf, "serial_number") == 0) {
2732                 if (os_strlen(pos) > 32) {
2733                         wpa_printf(MSG_ERROR, "Line %d: Too long serial_number",
2734                                    line);
2735                         return 1;
2736                 }
2737                 os_free(bss->serial_number);
2738                 bss->serial_number = os_strdup(pos);
2739         } else if (os_strcmp(buf, "device_type") == 0) {
2740                 if (wps_dev_type_str2bin(pos, bss->device_type))
2741                         return 1;
2742         } else if (os_strcmp(buf, "config_methods") == 0) {
2743                 os_free(bss->config_methods);
2744                 bss->config_methods = os_strdup(pos);
2745         } else if (os_strcmp(buf, "os_version") == 0) {
2746                 if (hexstr2bin(pos, bss->os_version, 4)) {
2747                         wpa_printf(MSG_ERROR, "Line %d: invalid os_version",
2748                                    line);
2749                         return 1;
2750                 }
2751         } else if (os_strcmp(buf, "ap_pin") == 0) {
2752                 os_free(bss->ap_pin);
2753                 bss->ap_pin = os_strdup(pos);
2754         } else if (os_strcmp(buf, "skip_cred_build") == 0) {
2755                 bss->skip_cred_build = atoi(pos);
2756         } else if (os_strcmp(buf, "extra_cred") == 0) {
2757                 os_free(bss->extra_cred);
2758                 bss->extra_cred = (u8 *) os_readfile(pos, &bss->extra_cred_len);
2759                 if (bss->extra_cred == NULL) {
2760                         wpa_printf(MSG_ERROR, "Line %d: could not read Credentials from '%s'",
2761                                    line, pos);
2762                         return 1;
2763                 }
2764         } else if (os_strcmp(buf, "wps_cred_processing") == 0) {
2765                 bss->wps_cred_processing = atoi(pos);
2766         } else if (os_strcmp(buf, "ap_settings") == 0) {
2767                 os_free(bss->ap_settings);
2768                 bss->ap_settings =
2769                         (u8 *) os_readfile(pos, &bss->ap_settings_len);
2770                 if (bss->ap_settings == NULL) {
2771                         wpa_printf(MSG_ERROR, "Line %d: could not read AP Settings from '%s'",
2772                                    line, pos);
2773                         return 1;
2774                 }
2775         } else if (os_strcmp(buf, "upnp_iface") == 0) {
2776                 os_free(bss->upnp_iface);
2777                 bss->upnp_iface = os_strdup(pos);
2778         } else if (os_strcmp(buf, "friendly_name") == 0) {
2779                 os_free(bss->friendly_name);
2780                 bss->friendly_name = os_strdup(pos);
2781         } else if (os_strcmp(buf, "manufacturer_url") == 0) {
2782                 os_free(bss->manufacturer_url);
2783                 bss->manufacturer_url = os_strdup(pos);
2784         } else if (os_strcmp(buf, "model_description") == 0) {
2785                 os_free(bss->model_description);
2786                 bss->model_description = os_strdup(pos);
2787         } else if (os_strcmp(buf, "model_url") == 0) {
2788                 os_free(bss->model_url);
2789                 bss->model_url = os_strdup(pos);
2790         } else if (os_strcmp(buf, "upc") == 0) {
2791                 os_free(bss->upc);
2792                 bss->upc = os_strdup(pos);
2793         } else if (os_strcmp(buf, "pbc_in_m1") == 0) {
2794                 bss->pbc_in_m1 = atoi(pos);
2795         } else if (os_strcmp(buf, "server_id") == 0) {
2796                 os_free(bss->server_id);
2797                 bss->server_id = os_strdup(pos);
2798 #ifdef CONFIG_WPS_NFC
2799         } else if (os_strcmp(buf, "wps_nfc_dev_pw_id") == 0) {
2800                 bss->wps_nfc_dev_pw_id = atoi(pos);
2801                 if (bss->wps_nfc_dev_pw_id < 0x10 ||
2802                     bss->wps_nfc_dev_pw_id > 0xffff) {
2803                         wpa_printf(MSG_ERROR, "Line %d: Invalid wps_nfc_dev_pw_id value",
2804                                    line);
2805                         return 1;
2806                 }
2807                 bss->wps_nfc_pw_from_config = 1;
2808         } else if (os_strcmp(buf, "wps_nfc_dh_pubkey") == 0) {
2809                 wpabuf_free(bss->wps_nfc_dh_pubkey);
2810                 bss->wps_nfc_dh_pubkey = hostapd_parse_bin(pos);
2811                 bss->wps_nfc_pw_from_config = 1;
2812         } else if (os_strcmp(buf, "wps_nfc_dh_privkey") == 0) {
2813                 wpabuf_free(bss->wps_nfc_dh_privkey);
2814                 bss->wps_nfc_dh_privkey = hostapd_parse_bin(pos);
2815                 bss->wps_nfc_pw_from_config = 1;
2816         } else if (os_strcmp(buf, "wps_nfc_dev_pw") == 0) {
2817                 wpabuf_free(bss->wps_nfc_dev_pw);
2818                 bss->wps_nfc_dev_pw = hostapd_parse_bin(pos);
2819                 bss->wps_nfc_pw_from_config = 1;
2820 #endif /* CONFIG_WPS_NFC */
2821 #endif /* CONFIG_WPS */
2822 #ifdef CONFIG_P2P_MANAGER
2823         } else if (os_strcmp(buf, "manage_p2p") == 0) {
2824                 if (atoi(pos))
2825                         bss->p2p |= P2P_MANAGE;
2826                 else
2827                         bss->p2p &= ~P2P_MANAGE;
2828         } else if (os_strcmp(buf, "allow_cross_connection") == 0) {
2829                 if (atoi(pos))
2830                         bss->p2p |= P2P_ALLOW_CROSS_CONNECTION;
2831                 else
2832                         bss->p2p &= ~P2P_ALLOW_CROSS_CONNECTION;
2833 #endif /* CONFIG_P2P_MANAGER */
2834         } else if (os_strcmp(buf, "disassoc_low_ack") == 0) {
2835                 bss->disassoc_low_ack = atoi(pos);
2836         } else if (os_strcmp(buf, "tdls_prohibit") == 0) {
2837                 if (atoi(pos))
2838                         bss->tdls |= TDLS_PROHIBIT;
2839                 else
2840                         bss->tdls &= ~TDLS_PROHIBIT;
2841         } else if (os_strcmp(buf, "tdls_prohibit_chan_switch") == 0) {
2842                 if (atoi(pos))
2843                         bss->tdls |= TDLS_PROHIBIT_CHAN_SWITCH;
2844                 else
2845                         bss->tdls &= ~TDLS_PROHIBIT_CHAN_SWITCH;
2846 #ifdef CONFIG_RSN_TESTING
2847         } else if (os_strcmp(buf, "rsn_testing") == 0) {
2848                 extern int rsn_testing;
2849                 rsn_testing = atoi(pos);
2850 #endif /* CONFIG_RSN_TESTING */
2851         } else if (os_strcmp(buf, "time_advertisement") == 0) {
2852                 bss->time_advertisement = atoi(pos);
2853         } else if (os_strcmp(buf, "time_zone") == 0) {
2854                 size_t tz_len = os_strlen(pos);
2855                 if (tz_len < 4 || tz_len > 255) {
2856                         wpa_printf(MSG_DEBUG, "Line %d: invalid time_zone",
2857                                    line);
2858                         return 1;
2859                 }
2860                 os_free(bss->time_zone);
2861                 bss->time_zone = os_strdup(pos);
2862                 if (bss->time_zone == NULL)
2863                         return 1;
2864 #ifdef CONFIG_WNM
2865         } else if (os_strcmp(buf, "wnm_sleep_mode") == 0) {
2866                 bss->wnm_sleep_mode = atoi(pos);
2867         } else if (os_strcmp(buf, "bss_transition") == 0) {
2868                 bss->bss_transition = atoi(pos);
2869 #endif /* CONFIG_WNM */
2870 #ifdef CONFIG_INTERWORKING
2871         } else if (os_strcmp(buf, "interworking") == 0) {
2872                 bss->interworking = atoi(pos);
2873         } else if (os_strcmp(buf, "access_network_type") == 0) {
2874                 bss->access_network_type = atoi(pos);
2875                 if (bss->access_network_type < 0 ||
2876                     bss->access_network_type > 15) {
2877                         wpa_printf(MSG_ERROR,
2878                                    "Line %d: invalid access_network_type",
2879                                    line);
2880                         return 1;
2881                 }
2882         } else if (os_strcmp(buf, "internet") == 0) {
2883                 bss->internet = atoi(pos);
2884         } else if (os_strcmp(buf, "asra") == 0) {
2885                 bss->asra = atoi(pos);
2886         } else if (os_strcmp(buf, "esr") == 0) {
2887                 bss->esr = atoi(pos);
2888         } else if (os_strcmp(buf, "uesa") == 0) {
2889                 bss->uesa = atoi(pos);
2890         } else if (os_strcmp(buf, "venue_group") == 0) {
2891                 bss->venue_group = atoi(pos);
2892                 bss->venue_info_set = 1;
2893         } else if (os_strcmp(buf, "venue_type") == 0) {
2894                 bss->venue_type = atoi(pos);
2895                 bss->venue_info_set = 1;
2896         } else if (os_strcmp(buf, "hessid") == 0) {
2897                 if (hwaddr_aton(pos, bss->hessid)) {
2898                         wpa_printf(MSG_ERROR, "Line %d: invalid hessid", line);
2899                         return 1;
2900                 }
2901         } else if (os_strcmp(buf, "roaming_consortium") == 0) {
2902                 if (parse_roaming_consortium(bss, pos, line) < 0)
2903                         return 1;
2904         } else if (os_strcmp(buf, "venue_name") == 0) {
2905                 if (parse_venue_name(bss, pos, line) < 0)
2906                         return 1;
2907         } else if (os_strcmp(buf, "network_auth_type") == 0) {
2908                 u8 auth_type;
2909                 u16 redirect_url_len;
2910                 if (hexstr2bin(pos, &auth_type, 1)) {
2911                         wpa_printf(MSG_ERROR,
2912                                    "Line %d: Invalid network_auth_type '%s'",
2913                                    line, pos);
2914                         return 1;
2915                 }
2916                 if (auth_type == 0 || auth_type == 2)
2917                         redirect_url_len = os_strlen(pos + 2);
2918                 else
2919                         redirect_url_len = 0;
2920                 os_free(bss->network_auth_type);
2921                 bss->network_auth_type = os_malloc(redirect_url_len + 3 + 1);
2922                 if (bss->network_auth_type == NULL)
2923                         return 1;
2924                 *bss->network_auth_type = auth_type;
2925                 WPA_PUT_LE16(bss->network_auth_type + 1, redirect_url_len);
2926                 if (redirect_url_len)
2927                         os_memcpy(bss->network_auth_type + 3, pos + 2,
2928                                   redirect_url_len);
2929                 bss->network_auth_type_len = 3 + redirect_url_len;
2930         } else if (os_strcmp(buf, "ipaddr_type_availability") == 0) {
2931                 if (hexstr2bin(pos, &bss->ipaddr_type_availability, 1)) {
2932                         wpa_printf(MSG_ERROR, "Line %d: Invalid ipaddr_type_availability '%s'",
2933                                    line, pos);
2934                         bss->ipaddr_type_configured = 0;
2935                         return 1;
2936                 }
2937                 bss->ipaddr_type_configured = 1;
2938         } else if (os_strcmp(buf, "domain_name") == 0) {
2939                 int j, num_domains, domain_len, domain_list_len = 0;
2940                 char *tok_start, *tok_prev;
2941                 u8 *domain_list, *domain_ptr;
2942
2943                 domain_list_len = os_strlen(pos) + 1;
2944                 domain_list = os_malloc(domain_list_len);
2945                 if (domain_list == NULL)
2946                         return 1;
2947
2948                 domain_ptr = domain_list;
2949                 tok_prev = pos;
2950                 num_domains = 1;
2951                 while ((tok_prev = os_strchr(tok_prev, ','))) {
2952                         num_domains++;
2953                         tok_prev++;
2954                 }
2955                 tok_prev = pos;
2956                 for (j = 0; j < num_domains; j++) {
2957                         tok_start = os_strchr(tok_prev, ',');
2958                         if (tok_start) {
2959                                 domain_len = tok_start - tok_prev;
2960                                 *domain_ptr = domain_len;
2961                                 os_memcpy(domain_ptr + 1, tok_prev, domain_len);
2962                                 domain_ptr += domain_len + 1;
2963                                 tok_prev = ++tok_start;
2964                         } else {
2965                                 domain_len = os_strlen(tok_prev);
2966                                 *domain_ptr = domain_len;
2967                                 os_memcpy(domain_ptr + 1, tok_prev, domain_len);
2968                                 domain_ptr += domain_len + 1;
2969                         }
2970                 }
2971
2972                 os_free(bss->domain_name);
2973                 bss->domain_name = domain_list;
2974                 bss->domain_name_len = domain_list_len;
2975         } else if (os_strcmp(buf, "anqp_3gpp_cell_net") == 0) {
2976                 if (parse_3gpp_cell_net(bss, pos, line) < 0)
2977                         return 1;
2978         } else if (os_strcmp(buf, "nai_realm") == 0) {
2979                 if (parse_nai_realm(bss, pos, line) < 0)
2980                         return 1;
2981         } else if (os_strcmp(buf, "gas_frag_limit") == 0) {
2982                 bss->gas_frag_limit = atoi(pos);
2983         } else if (os_strcmp(buf, "gas_comeback_delay") == 0) {
2984                 bss->gas_comeback_delay = atoi(pos);
2985         } else if (os_strcmp(buf, "qos_map_set") == 0) {
2986                 if (parse_qos_map_set(bss, pos, line) < 0)
2987                         return 1;
2988 #endif /* CONFIG_INTERWORKING */
2989 #ifdef CONFIG_RADIUS_TEST
2990         } else if (os_strcmp(buf, "dump_msk_file") == 0) {
2991                 os_free(bss->dump_msk_file);
2992                 bss->dump_msk_file = os_strdup(pos);
2993 #endif /* CONFIG_RADIUS_TEST */
2994 #ifdef CONFIG_HS20
2995         } else if (os_strcmp(buf, "hs20") == 0) {
2996                 bss->hs20 = atoi(pos);
2997         } else if (os_strcmp(buf, "disable_dgaf") == 0) {
2998                 bss->disable_dgaf = atoi(pos);
2999         } else if (os_strcmp(buf, "osen") == 0) {
3000                 bss->osen = atoi(pos);
3001         } else if (os_strcmp(buf, "anqp_domain_id") == 0) {
3002                 bss->anqp_domain_id = atoi(pos);
3003         } else if (os_strcmp(buf, "hs20_deauth_req_timeout") == 0) {
3004                 bss->hs20_deauth_req_timeout = atoi(pos);
3005         } else if (os_strcmp(buf, "hs20_oper_friendly_name") == 0) {
3006                 if (hs20_parse_oper_friendly_name(bss, pos, line) < 0)
3007                         return 1;
3008         } else if (os_strcmp(buf, "hs20_wan_metrics") == 0) {
3009                 if (hs20_parse_wan_metrics(bss, pos, line) < 0)
3010                         return 1;
3011         } else if (os_strcmp(buf, "hs20_conn_capab") == 0) {
3012                 if (hs20_parse_conn_capab(bss, pos, line) < 0) {
3013                         return 1;
3014                 }
3015         } else if (os_strcmp(buf, "hs20_operating_class") == 0) {
3016                 u8 *oper_class;
3017                 size_t oper_class_len;
3018                 oper_class_len = os_strlen(pos);
3019                 if (oper_class_len < 2 || (oper_class_len & 0x01)) {
3020                         wpa_printf(MSG_ERROR,
3021                                    "Line %d: Invalid hs20_operating_class '%s'",
3022                                    line, pos);
3023                         return 1;
3024                 }
3025                 oper_class_len /= 2;
3026                 oper_class = os_malloc(oper_class_len);
3027                 if (oper_class == NULL)
3028                         return 1;
3029                 if (hexstr2bin(pos, oper_class, oper_class_len)) {
3030                         wpa_printf(MSG_ERROR,
3031                                    "Line %d: Invalid hs20_operating_class '%s'",
3032                                    line, pos);
3033                         os_free(oper_class);
3034                         return 1;
3035                 }
3036                 os_free(bss->hs20_operating_class);
3037                 bss->hs20_operating_class = oper_class;
3038                 bss->hs20_operating_class_len = oper_class_len;
3039         } else if (os_strcmp(buf, "hs20_icon") == 0) {
3040                 if (hs20_parse_icon(bss, pos) < 0) {
3041                         wpa_printf(MSG_ERROR, "Line %d: Invalid hs20_icon '%s'",
3042                                    line, pos);
3043                         return 1;
3044                 }
3045         } else if (os_strcmp(buf, "osu_ssid") == 0) {
3046                 if (hs20_parse_osu_ssid(bss, pos, line) < 0)
3047                         return 1;
3048         } else if (os_strcmp(buf, "osu_server_uri") == 0) {
3049                 if (hs20_parse_osu_server_uri(bss, pos, line) < 0)
3050                         return 1;
3051         } else if (os_strcmp(buf, "osu_friendly_name") == 0) {
3052                 if (hs20_parse_osu_friendly_name(bss, pos, line) < 0)
3053                         return 1;
3054         } else if (os_strcmp(buf, "osu_nai") == 0) {
3055                 if (hs20_parse_osu_nai(bss, pos, line) < 0)
3056                         return 1;
3057         } else if (os_strcmp(buf, "osu_method_list") == 0) {
3058                 if (hs20_parse_osu_method_list(bss, pos, line) < 0)
3059                         return 1;
3060         } else if (os_strcmp(buf, "osu_icon") == 0) {
3061                 if (hs20_parse_osu_icon(bss, pos, line) < 0)
3062                         return 1;
3063         } else if (os_strcmp(buf, "osu_service_desc") == 0) {
3064                 if (hs20_parse_osu_service_desc(bss, pos, line) < 0)
3065                         return 1;
3066         } else if (os_strcmp(buf, "subscr_remediation_url") == 0) {
3067                 os_free(bss->subscr_remediation_url);
3068                 bss->subscr_remediation_url = os_strdup(pos);
3069         } else if (os_strcmp(buf, "subscr_remediation_method") == 0) {
3070                 bss->subscr_remediation_method = atoi(pos);
3071 #endif /* CONFIG_HS20 */
3072 #ifdef CONFIG_TESTING_OPTIONS
3073 #define PARSE_TEST_PROBABILITY(_val)                            \
3074         } else if (os_strcmp(buf, #_val) == 0) {                \
3075                 char *end;                                      \
3076                                                                 \
3077                 conf->_val = strtod(pos, &end);                 \
3078                 if (*end || conf->_val < 0.0 ||                 \
3079                     conf->_val > 1.0) {                         \
3080                         wpa_printf(MSG_ERROR,                   \
3081                                    "Line %d: Invalid value '%s'", \
3082                                    line, pos);                  \
3083                         return 1;                               \
3084                 }
3085         PARSE_TEST_PROBABILITY(ignore_probe_probability)
3086         PARSE_TEST_PROBABILITY(ignore_auth_probability)
3087         PARSE_TEST_PROBABILITY(ignore_assoc_probability)
3088         PARSE_TEST_PROBABILITY(ignore_reassoc_probability)
3089         PARSE_TEST_PROBABILITY(corrupt_gtk_rekey_mic_probability)
3090         } else if (os_strcmp(buf, "bss_load_test") == 0) {
3091                 WPA_PUT_LE16(bss->bss_load_test, atoi(pos));
3092                 pos = os_strchr(pos, ':');
3093                 if (pos == NULL) {
3094                         wpa_printf(MSG_ERROR, "Line %d: Invalid bss_load_test",
3095                                    line);
3096                         return 1;
3097                 }
3098                 pos++;
3099                 bss->bss_load_test[2] = atoi(pos);
3100                 pos = os_strchr(pos, ':');
3101                 if (pos == NULL) {
3102                         wpa_printf(MSG_ERROR, "Line %d: Invalid bss_load_test",
3103                                    line);
3104                         return 1;
3105                 }
3106                 pos++;
3107                 WPA_PUT_LE16(&bss->bss_load_test[3], atoi(pos));
3108                 bss->bss_load_test_set = 1;
3109 #endif /* CONFIG_TESTING_OPTIONS */
3110         } else if (os_strcmp(buf, "vendor_elements") == 0) {
3111                 struct wpabuf *elems;
3112                 size_t len = os_strlen(pos);
3113                 if (len & 0x01) {
3114                         wpa_printf(MSG_ERROR,
3115                                    "Line %d: Invalid vendor_elements '%s'",
3116                                    line, pos);
3117                         return 1;
3118                 }
3119                 len /= 2;
3120                 if (len == 0) {
3121                         wpabuf_free(bss->vendor_elements);
3122                         bss->vendor_elements = NULL;
3123                         return 0;
3124                 }
3125
3126                 elems = wpabuf_alloc(len);
3127                 if (elems == NULL)
3128                         return 1;
3129
3130                 if (hexstr2bin(pos, wpabuf_put(elems, len), len)) {
3131                         wpabuf_free(elems);
3132                         wpa_printf(MSG_ERROR,
3133                                    "Line %d: Invalid vendor_elements '%s'",
3134                                    line, pos);
3135                         return 1;
3136                 }
3137
3138                 wpabuf_free(bss->vendor_elements);
3139                 bss->vendor_elements = elems;
3140         } else if (os_strcmp(buf, "sae_anti_clogging_threshold") == 0) {
3141                 bss->sae_anti_clogging_threshold = atoi(pos);
3142         } else if (os_strcmp(buf, "sae_groups") == 0) {
3143                 if (hostapd_parse_intlist(&bss->sae_groups, pos)) {
3144                         wpa_printf(MSG_ERROR,
3145                                    "Line %d: Invalid sae_groups value '%s'",
3146                                    line, pos);
3147                         return 1;
3148                 }
3149         } else if (os_strcmp(buf, "local_pwr_constraint") == 0) {
3150                 int val = atoi(pos);
3151                 if (val < 0 || val > 255) {
3152                         wpa_printf(MSG_ERROR, "Line %d: Invalid local_pwr_constraint %d (expected 0..255)",
3153                                    line, val);
3154                         return 1;
3155                 }
3156                 conf->local_pwr_constraint = val;
3157         } else if (os_strcmp(buf, "spectrum_mgmt_required") == 0) {
3158                 conf->spectrum_mgmt_required = atoi(pos);
3159         } else {
3160                 wpa_printf(MSG_ERROR,
3161                            "Line %d: unknown configuration item '%s'",
3162                            line, buf);
3163                 return 1;
3164         }
3165
3166         return 0;
3167 }
3168
3169
3170 /**
3171  * hostapd_config_read - Read and parse a configuration file
3172  * @fname: Configuration file name (including path, if needed)
3173  * Returns: Allocated configuration data structure
3174  */
3175 struct hostapd_config * hostapd_config_read(const char *fname)
3176 {
3177         struct hostapd_config *conf;
3178         struct hostapd_bss_config *bss;
3179         FILE *f;
3180         char buf[512], *pos;
3181         int line = 0;
3182         int errors = 0;
3183         size_t i;
3184
3185         f = fopen(fname, "r");
3186         if (f == NULL) {
3187                 wpa_printf(MSG_ERROR, "Could not open configuration file '%s' "
3188                            "for reading.", fname);
3189                 return NULL;
3190         }
3191
3192         conf = hostapd_config_defaults();
3193         if (conf == NULL) {
3194                 fclose(f);
3195                 return NULL;
3196         }
3197
3198         /* set default driver based on configuration */
3199         conf->driver = wpa_drivers[0];
3200         if (conf->driver == NULL) {
3201                 wpa_printf(MSG_ERROR, "No driver wrappers registered!");
3202                 hostapd_config_free(conf);
3203                 fclose(f);
3204                 return NULL;
3205         }
3206
3207         bss = conf->last_bss = conf->bss[0];
3208
3209         while (fgets(buf, sizeof(buf), f)) {
3210                 bss = conf->last_bss;
3211                 line++;
3212
3213                 if (buf[0] == '#')
3214                         continue;
3215                 pos = buf;
3216                 while (*pos != '\0') {
3217                         if (*pos == '\n') {
3218                                 *pos = '\0';
3219                                 break;
3220                         }
3221                         pos++;
3222                 }
3223                 if (buf[0] == '\0')
3224                         continue;
3225
3226                 pos = os_strchr(buf, '=');
3227                 if (pos == NULL) {
3228                         wpa_printf(MSG_ERROR, "Line %d: invalid line '%s'",
3229                                    line, buf);
3230                         errors++;
3231                         continue;
3232                 }
3233                 *pos = '\0';
3234                 pos++;
3235                 errors += hostapd_config_fill(conf, bss, buf, pos, line);
3236         }
3237
3238         fclose(f);
3239
3240         for (i = 0; i < conf->num_bss; i++)
3241                 hostapd_set_security_params(conf->bss[i]);
3242
3243         if (hostapd_config_check(conf, 1))
3244                 errors++;
3245
3246 #ifndef WPA_IGNORE_CONFIG_ERRORS
3247         if (errors) {
3248                 wpa_printf(MSG_ERROR, "%d errors found in configuration file "
3249                            "'%s'", errors, fname);
3250                 hostapd_config_free(conf);
3251                 conf = NULL;
3252         }
3253 #endif /* WPA_IGNORE_CONFIG_ERRORS */
3254
3255         return conf;
3256 }
3257
3258
3259 int hostapd_set_iface(struct hostapd_config *conf,
3260                       struct hostapd_bss_config *bss, char *field, char *value)
3261 {
3262         int errors;
3263         size_t i;
3264
3265         errors = hostapd_config_fill(conf, bss, field, value, 0);
3266         if (errors) {
3267                 wpa_printf(MSG_INFO, "Failed to set configuration field '%s' "
3268                            "to value '%s'", field, value);
3269                 return -1;
3270         }
3271
3272         for (i = 0; i < conf->num_bss; i++)
3273                 hostapd_set_security_params(conf->bss[i]);
3274
3275         if (hostapd_config_check(conf, 0)) {
3276                 wpa_printf(MSG_ERROR, "Configuration check failed");
3277                 return -1;
3278         }
3279
3280         return 0;
3281 }