1 /* 2 * hostapd - driver interaction with MADWIFI 802.11 driver 3 * Copyright (c) 2004, Sam Leffler <sam (at) errno.com> 4 * Copyright (c) 2004, Video54 Technologies 5 * Copyright (c) 2004-2007, Jouni Malinen <j (at) w1.fi> 6 * 7 * This software may be distributed under the terms of the BSD license. 8 * See README for more details. 9 * 10 * This driver wrapper is only for hostapd AP mode functionality. Station 11 * (wpa_supplicant) operations with madwifi are supported by the driver_wext.c 12 * wrapper. 13 */ 14 15 #include "includes.h" 16 #include <sys/ioctl.h> 17 18 #include "common.h" 19 #include "driver.h" 20 #include "driver_wext.h" 21 #include "eloop.h" 22 #include "common/ieee802_11_defs.h" 23 #include "linux_wext.h" 24 25 /* 26 * Avoid conflicts with wpa_supplicant definitions by undefining a definition. 27 */ 28 #undef WME_OUI_TYPE 29 30 #include <include/compat.h> 31 #include <net80211/ieee80211.h> 32 #ifdef WME_NUM_AC 33 /* Assume this is built against BSD branch of madwifi driver. */ 34 #define MADWIFI_BSD 35 #include <net80211/_ieee80211.h> 36 #endif /* WME_NUM_AC */ 37 #include <net80211/ieee80211_crypto.h> 38 #include <net80211/ieee80211_ioctl.h> 39 40 #ifdef CONFIG_WPS 41 #ifdef IEEE80211_IOCTL_FILTERFRAME 42 #include <netpacket/packet.h> 43 44 #ifndef ETH_P_80211_RAW 45 #define ETH_P_80211_RAW 0x0019 46 #endif 47 #endif /* IEEE80211_IOCTL_FILTERFRAME */ 48 #endif /* CONFIG_WPS */ 49 50 /* 51 * Avoid conflicts with hostapd definitions by undefining couple of defines 52 * from madwifi header files. 53 */ 54 #undef RSN_VERSION 55 #undef WPA_VERSION 56 #undef WPA_OUI_TYPE 57 #undef WME_OUI_TYPE 58 59 60 #ifdef IEEE80211_IOCTL_SETWMMPARAMS 61 /* Assume this is built against madwifi-ng */ 62 #define MADWIFI_NG 63 #endif /* IEEE80211_IOCTL_SETWMMPARAMS */ 64 65 #define WPA_KEY_RSC_LEN 8 66 67 #include "priv_netlink.h" 68 #include "netlink.h" 69 #include "linux_ioctl.h" 70 #include "l2_packet/l2_packet.h" 71 72 73 struct madwifi_driver_data { 74 struct hostapd_data *hapd; /* back pointer */ 75 76 char iface[IFNAMSIZ + 1]; 77 int ifindex; 78 struct l2_packet_data *sock_xmit; /* raw packet xmit socket */ 79 struct l2_packet_data *sock_recv; /* raw packet recv socket */ 80 int ioctl_sock; /* socket for ioctl() use */ 81 struct netlink_data *netlink; 82 int we_version; 83 u8 acct_mac[ETH_ALEN]; 84 struct hostap_sta_driver_data acct_data; 85 86 struct l2_packet_data *sock_raw; /* raw 802.11 management frames */ 87 }; 88 89 static int madwifi_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, 90 int reason_code); 91 92 static int 93 set80211priv(struct madwifi_driver_data *drv, int op, void *data, int len) 94 { 95 struct iwreq iwr; 96 int do_inline = len < IFNAMSIZ; 97 98 memset(&iwr, 0, sizeof(iwr)); 99 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 100 #ifdef IEEE80211_IOCTL_FILTERFRAME 101 /* FILTERFRAME must be NOT inline, regardless of size. */ 102 if (op == IEEE80211_IOCTL_FILTERFRAME) 103 do_inline = 0; 104 #endif /* IEEE80211_IOCTL_FILTERFRAME */ 105 if (op == IEEE80211_IOCTL_SET_APPIEBUF) 106 do_inline = 0; 107 if (do_inline) { 108 /* 109 * Argument data fits inline; put it there. 110 */ 111 memcpy(iwr.u.name, data, len); 112 } else { 113 /* 114 * Argument data too big for inline transfer; setup a 115 * parameter block instead; the kernel will transfer 116 * the data for the driver. 117 */ 118 iwr.u.data.pointer = data; 119 iwr.u.data.length = len; 120 } 121 122 if (ioctl(drv->ioctl_sock, op, &iwr) < 0) { 123 #ifdef MADWIFI_NG 124 int first = IEEE80211_IOCTL_SETPARAM; 125 static const char *opnames[] = { 126 "ioctl[IEEE80211_IOCTL_SETPARAM]", 127 "ioctl[IEEE80211_IOCTL_GETPARAM]", 128 "ioctl[IEEE80211_IOCTL_SETMODE]", 129 "ioctl[IEEE80211_IOCTL_GETMODE]", 130 "ioctl[IEEE80211_IOCTL_SETWMMPARAMS]", 131 "ioctl[IEEE80211_IOCTL_GETWMMPARAMS]", 132 "ioctl[IEEE80211_IOCTL_SETCHANLIST]", 133 "ioctl[IEEE80211_IOCTL_GETCHANLIST]", 134 "ioctl[IEEE80211_IOCTL_CHANSWITCH]", 135 "ioctl[IEEE80211_IOCTL_GET_APPIEBUF]", 136 "ioctl[IEEE80211_IOCTL_SET_APPIEBUF]", 137 "ioctl[IEEE80211_IOCTL_GETSCANRESULTS]", 138 "ioctl[IEEE80211_IOCTL_FILTERFRAME]", 139 "ioctl[IEEE80211_IOCTL_GETCHANINFO]", 140 "ioctl[IEEE80211_IOCTL_SETOPTIE]", 141 "ioctl[IEEE80211_IOCTL_GETOPTIE]", 142 "ioctl[IEEE80211_IOCTL_SETMLME]", 143 NULL, 144 "ioctl[IEEE80211_IOCTL_SETKEY]", 145 NULL, 146 "ioctl[IEEE80211_IOCTL_DELKEY]", 147 NULL, 148 "ioctl[IEEE80211_IOCTL_ADDMAC]", 149 NULL, 150 "ioctl[IEEE80211_IOCTL_DELMAC]", 151 NULL, 152 "ioctl[IEEE80211_IOCTL_WDSMAC]", 153 NULL, 154 "ioctl[IEEE80211_IOCTL_WDSDELMAC]", 155 NULL, 156 "ioctl[IEEE80211_IOCTL_KICKMAC]", 157 }; 158 #else /* MADWIFI_NG */ 159 int first = IEEE80211_IOCTL_SETPARAM; 160 static const char *opnames[] = { 161 "ioctl[IEEE80211_IOCTL_SETPARAM]", 162 "ioctl[IEEE80211_IOCTL_GETPARAM]", 163 "ioctl[IEEE80211_IOCTL_SETKEY]", 164 "ioctl[SIOCIWFIRSTPRIV+3]", 165 "ioctl[IEEE80211_IOCTL_DELKEY]", 166 "ioctl[SIOCIWFIRSTPRIV+5]", 167 "ioctl[IEEE80211_IOCTL_SETMLME]", 168 "ioctl[SIOCIWFIRSTPRIV+7]", 169 "ioctl[IEEE80211_IOCTL_SETOPTIE]", 170 "ioctl[IEEE80211_IOCTL_GETOPTIE]", 171 "ioctl[IEEE80211_IOCTL_ADDMAC]", 172 "ioctl[SIOCIWFIRSTPRIV+11]", 173 "ioctl[IEEE80211_IOCTL_DELMAC]", 174 "ioctl[SIOCIWFIRSTPRIV+13]", 175 "ioctl[IEEE80211_IOCTL_CHANLIST]", 176 "ioctl[SIOCIWFIRSTPRIV+15]", 177 "ioctl[IEEE80211_IOCTL_GETRSN]", 178 "ioctl[SIOCIWFIRSTPRIV+17]", 179 "ioctl[IEEE80211_IOCTL_GETKEY]", 180 }; 181 #endif /* MADWIFI_NG */ 182 int idx = op - first; 183 if (first <= op && 184 idx < (int) ARRAY_SIZE(opnames) && 185 opnames[idx]) 186 perror(opnames[idx]); 187 else 188 perror("ioctl[unknown???]"); 189 return -1; 190 } 191 return 0; 192 } 193 194 static int 195 set80211param(struct madwifi_driver_data *drv, int op, int arg) 196 { 197 struct iwreq iwr; 198 199 memset(&iwr, 0, sizeof(iwr)); 200 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 201 iwr.u.mode = op; 202 memcpy(iwr.u.name+sizeof(__u32), &arg, sizeof(arg)); 203 204 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) { 205 perror("ioctl[IEEE80211_IOCTL_SETPARAM]"); 206 wpa_printf(MSG_DEBUG, "%s: Failed to set parameter (op %d " 207 "arg %d)", __func__, op, arg); 208 return -1; 209 } 210 return 0; 211 } 212 213 #ifndef CONFIG_NO_STDOUT_DEBUG 214 static const char * 215 ether_sprintf(const u8 *addr) 216 { 217 static char buf[sizeof(MACSTR)]; 218 219 if (addr != NULL) 220 snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr)); 221 else 222 snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0); 223 return buf; 224 } 225 #endif /* CONFIG_NO_STDOUT_DEBUG */ 226 227 /* 228 * Configure WPA parameters. 229 */ 230 static int 231 madwifi_configure_wpa(struct madwifi_driver_data *drv, 232 struct wpa_bss_params *params) 233 { 234 int v; 235 236 switch (params->wpa_group) { 237 case WPA_CIPHER_CCMP: 238 v = IEEE80211_CIPHER_AES_CCM; 239 break; 240 case WPA_CIPHER_TKIP: 241 v = IEEE80211_CIPHER_TKIP; 242 break; 243 case WPA_CIPHER_WEP104: 244 v = IEEE80211_CIPHER_WEP; 245 break; 246 case WPA_CIPHER_WEP40: 247 v = IEEE80211_CIPHER_WEP; 248 break; 249 case WPA_CIPHER_NONE: 250 v = IEEE80211_CIPHER_NONE; 251 break; 252 default: 253 wpa_printf(MSG_ERROR, "Unknown group key cipher %u", 254 params->wpa_group); 255 return -1; 256 } 257 wpa_printf(MSG_DEBUG, "%s: group key cipher=%d", __func__, v); 258 if (set80211param(drv, IEEE80211_PARAM_MCASTCIPHER, v)) { 259 printf("Unable to set group key cipher to %u\n", v); 260 return -1; 261 } 262 if (v == IEEE80211_CIPHER_WEP) { 263 /* key length is done only for specific ciphers */ 264 v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5); 265 if (set80211param(drv, IEEE80211_PARAM_MCASTKEYLEN, v)) { 266 printf("Unable to set group key length to %u\n", v); 267 return -1; 268 } 269 } 270 271 v = 0; 272 if (params->wpa_pairwise & WPA_CIPHER_CCMP) 273 v |= 1<<IEEE80211_CIPHER_AES_CCM; 274 if (params->wpa_pairwise & WPA_CIPHER_TKIP) 275 v |= 1<<IEEE80211_CIPHER_TKIP; 276 if (params->wpa_pairwise & WPA_CIPHER_NONE) 277 v |= 1<<IEEE80211_CIPHER_NONE; 278 wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v); 279 if (set80211param(drv, IEEE80211_PARAM_UCASTCIPHERS, v)) { 280 printf("Unable to set pairwise key ciphers to 0x%x\n", v); 281 return -1; 282 } 283 284 wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x", 285 __func__, params->wpa_key_mgmt); 286 if (set80211param(drv, IEEE80211_PARAM_KEYMGTALGS, 287 params->wpa_key_mgmt)) { 288 printf("Unable to set key management algorithms to 0x%x\n", 289 params->wpa_key_mgmt); 290 return -1; 291 } 292 293 v = 0; 294 if (params->rsn_preauth) 295 v |= BIT(0); 296 wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x", 297 __func__, params->rsn_preauth); 298 if (set80211param(drv, IEEE80211_PARAM_RSNCAPS, v)) { 299 printf("Unable to set RSN capabilities to 0x%x\n", v); 300 return -1; 301 } 302 303 wpa_printf(MSG_DEBUG, "%s: enable WPA=0x%x", __func__, params->wpa); 304 if (set80211param(drv, IEEE80211_PARAM_WPA, params->wpa)) { 305 printf("Unable to set WPA to %u\n", params->wpa); 306 return -1; 307 } 308 return 0; 309 } 310 311 static int 312 madwifi_set_ieee8021x(void *priv, struct wpa_bss_params *params) 313 { 314 struct madwifi_driver_data *drv = priv; 315 316 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled); 317 318 if (!params->enabled) { 319 /* XXX restore state */ 320 return set80211param(priv, IEEE80211_PARAM_AUTHMODE, 321 IEEE80211_AUTH_AUTO); 322 } 323 if (!params->wpa && !params->ieee802_1x) { 324 wpa_printf(MSG_WARNING, "No 802.1X or WPA enabled!"); 325 return -1; 326 } 327 if (params->wpa && madwifi_configure_wpa(drv, params) != 0) { 328 wpa_printf(MSG_WARNING, "Error configuring WPA state!"); 329 return -1; 330 } 331 if (set80211param(priv, IEEE80211_PARAM_AUTHMODE, 332 (params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) { 333 wpa_printf(MSG_WARNING, "Error enabling WPA/802.1X!"); 334 return -1; 335 } 336 337 return 0; 338 } 339 340 static int 341 madwifi_set_privacy(void *priv, int enabled) 342 { 343 struct madwifi_driver_data *drv = priv; 344 345 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled); 346 347 return set80211param(drv, IEEE80211_PARAM_PRIVACY, enabled); 348 } 349 350 static int 351 madwifi_set_sta_authorized(void *priv, const u8 *addr, int authorized) 352 { 353 struct madwifi_driver_data *drv = priv; 354 struct ieee80211req_mlme mlme; 355 int ret; 356 357 wpa_printf(MSG_DEBUG, "%s: addr=%s authorized=%d", 358 __func__, ether_sprintf(addr), authorized); 359 360 if (authorized) 361 mlme.im_op = IEEE80211_MLME_AUTHORIZE; 362 else 363 mlme.im_op = IEEE80211_MLME_UNAUTHORIZE; 364 mlme.im_reason = 0; 365 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); 366 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme)); 367 if (ret < 0) { 368 wpa_printf(MSG_DEBUG, "%s: Failed to %sauthorize STA " MACSTR, 369 __func__, authorized ? "" : "un", MAC2STR(addr)); 370 } 371 372 return ret; 373 } 374 375 static int 376 madwifi_sta_set_flags(void *priv, const u8 *addr, 377 int total_flags, int flags_or, int flags_and) 378 { 379 /* For now, only support setting Authorized flag */ 380 if (flags_or & WPA_STA_AUTHORIZED) 381 return madwifi_set_sta_authorized(priv, addr, 1); 382 if (!(flags_and & WPA_STA_AUTHORIZED)) 383 return madwifi_set_sta_authorized(priv, addr, 0); 384 return 0; 385 } 386 387 static int 388 madwifi_del_key(void *priv, const u8 *addr, int key_idx) 389 { 390 struct madwifi_driver_data *drv = priv; 391 struct ieee80211req_del_key wk; 392 int ret; 393 394 wpa_printf(MSG_DEBUG, "%s: addr=%s key_idx=%d", 395 __func__, ether_sprintf(addr), key_idx); 396 397 memset(&wk, 0, sizeof(wk)); 398 if (addr != NULL) { 399 memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN); 400 wk.idk_keyix = (u8) IEEE80211_KEYIX_NONE; 401 } else { 402 wk.idk_keyix = key_idx; 403 } 404 405 ret = set80211priv(drv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk)); 406 if (ret < 0) { 407 wpa_printf(MSG_DEBUG, "%s: Failed to delete key (addr %s" 408 " key_idx %d)", __func__, ether_sprintf(addr), 409 key_idx); 410 } 411 412 return ret; 413 } 414 415 static int 416 wpa_driver_madwifi_set_key(const char *ifname, void *priv, enum wpa_alg alg, 417 const u8 *addr, int key_idx, int set_tx, 418 const u8 *seq, size_t seq_len, 419 const u8 *key, size_t key_len) 420 { 421 struct madwifi_driver_data *drv = priv; 422 struct ieee80211req_key wk; 423 u_int8_t cipher; 424 int ret; 425 426 if (alg == WPA_ALG_NONE) 427 return madwifi_del_key(drv, addr, key_idx); 428 429 wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%s key_idx=%d", 430 __func__, alg, ether_sprintf(addr), key_idx); 431 432 if (alg == WPA_ALG_WEP) 433 cipher = IEEE80211_CIPHER_WEP; 434 else if (alg == WPA_ALG_TKIP) 435 cipher = IEEE80211_CIPHER_TKIP; 436 else if (alg == WPA_ALG_CCMP) 437 cipher = IEEE80211_CIPHER_AES_CCM; 438 else { 439 printf("%s: unknown/unsupported algorithm %d\n", 440 __func__, alg); 441 return -1; 442 } 443 444 if (key_len > sizeof(wk.ik_keydata)) { 445 printf("%s: key length %lu too big\n", __func__, 446 (unsigned long) key_len); 447 return -3; 448 } 449 450 memset(&wk, 0, sizeof(wk)); 451 wk.ik_type = cipher; 452 wk.ik_flags = IEEE80211_KEY_RECV | IEEE80211_KEY_XMIT; 453 if (addr == NULL || is_broadcast_ether_addr(addr)) { 454 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN); 455 wk.ik_keyix = key_idx; 456 wk.ik_flags |= IEEE80211_KEY_DEFAULT; 457 } else { 458 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN); 459 wk.ik_keyix = IEEE80211_KEYIX_NONE; 460 } 461 wk.ik_keylen = key_len; 462 memcpy(wk.ik_keydata, key, key_len); 463 464 ret = set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk)); 465 if (ret < 0) { 466 wpa_printf(MSG_DEBUG, "%s: Failed to set key (addr %s" 467 " key_idx %d alg %d key_len %lu set_tx %d)", 468 __func__, ether_sprintf(wk.ik_macaddr), key_idx, 469 alg, (unsigned long) key_len, set_tx); 470 } 471 472 return ret; 473 } 474 475 476 static int 477 madwifi_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx, 478 u8 *seq) 479 { 480 struct madwifi_driver_data *drv = priv; 481 struct ieee80211req_key wk; 482 483 wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d", 484 __func__, ether_sprintf(addr), idx); 485 486 memset(&wk, 0, sizeof(wk)); 487 if (addr == NULL) 488 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN); 489 else 490 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN); 491 wk.ik_keyix = idx; 492 493 if (set80211priv(drv, IEEE80211_IOCTL_GETKEY, &wk, sizeof(wk))) { 494 wpa_printf(MSG_DEBUG, "%s: Failed to get encryption data " 495 "(addr " MACSTR " key_idx %d)", 496 __func__, MAC2STR(wk.ik_macaddr), idx); 497 return -1; 498 } 499 500 #ifdef WORDS_BIGENDIAN 501 { 502 /* 503 * wk.ik_keytsc is in host byte order (big endian), need to 504 * swap it to match with the byte order used in WPA. 505 */ 506 int i; 507 u8 tmp[WPA_KEY_RSC_LEN]; 508 memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc)); 509 for (i = 0; i < WPA_KEY_RSC_LEN; i++) { 510 seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1]; 511 } 512 } 513 #else /* WORDS_BIGENDIAN */ 514 memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc)); 515 #endif /* WORDS_BIGENDIAN */ 516 return 0; 517 } 518 519 520 static int 521 madwifi_flush(void *priv) 522 { 523 #ifdef MADWIFI_BSD 524 u8 allsta[IEEE80211_ADDR_LEN]; 525 memset(allsta, 0xff, IEEE80211_ADDR_LEN); 526 return madwifi_sta_deauth(priv, NULL, allsta, 527 IEEE80211_REASON_AUTH_LEAVE); 528 #else /* MADWIFI_BSD */ 529 return 0; /* XXX */ 530 #endif /* MADWIFI_BSD */ 531 } 532 533 534 static int 535 madwifi_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data, 536 const u8 *addr) 537 { 538 struct madwifi_driver_data *drv = priv; 539 540 #ifdef MADWIFI_BSD 541 struct ieee80211req_sta_stats stats; 542 543 memset(data, 0, sizeof(*data)); 544 545 /* 546 * Fetch statistics for station from the system. 547 */ 548 memset(&stats, 0, sizeof(stats)); 549 memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN); 550 if (set80211priv(drv, 551 #ifdef MADWIFI_NG 552 IEEE80211_IOCTL_STA_STATS, 553 #else /* MADWIFI_NG */ 554 IEEE80211_IOCTL_GETSTASTATS, 555 #endif /* MADWIFI_NG */ 556 &stats, sizeof(stats))) { 557 wpa_printf(MSG_DEBUG, "%s: Failed to fetch STA stats (addr " 558 MACSTR ")", __func__, MAC2STR(addr)); 559 if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) { 560 memcpy(data, &drv->acct_data, sizeof(*data)); 561 return 0; 562 } 563 564 printf("Failed to get station stats information element.\n"); 565 return -1; 566 } 567 568 data->rx_packets = stats.is_stats.ns_rx_data; 569 data->rx_bytes = stats.is_stats.ns_rx_bytes; 570 data->tx_packets = stats.is_stats.ns_tx_data; 571 data->tx_bytes = stats.is_stats.ns_tx_bytes; 572 return 0; 573 574 #else /* MADWIFI_BSD */ 575 576 char buf[1024], line[128], *pos; 577 FILE *f; 578 unsigned long val; 579 580 memset(data, 0, sizeof(*data)); 581 snprintf(buf, sizeof(buf), "/proc/net/madwifi/%s/" MACSTR, 582 drv->iface, MAC2STR(addr)); 583 584 f = fopen(buf, "r"); 585 if (!f) { 586 if (memcmp(addr, drv->acct_mac, ETH_ALEN) != 0) 587 return -1; 588 memcpy(data, &drv->acct_data, sizeof(*data)); 589 return 0; 590 } 591 /* Need to read proc file with in one piece, so use large enough 592 * buffer. */ 593 setbuffer(f, buf, sizeof(buf)); 594 595 while (fgets(line, sizeof(line), f)) { 596 pos = strchr(line, '='); 597 if (!pos) 598 continue; 599 *pos++ = '\0'; 600 val = strtoul(pos, NULL, 10); 601 if (strcmp(line, "rx_packets") == 0) 602 data->rx_packets = val; 603 else if (strcmp(line, "tx_packets") == 0) 604 data->tx_packets = val; 605 else if (strcmp(line, "rx_bytes") == 0) 606 data->rx_bytes = val; 607 else if (strcmp(line, "tx_bytes") == 0) 608 data->tx_bytes = val; 609 } 610 611 fclose(f); 612 613 return 0; 614 #endif /* MADWIFI_BSD */ 615 } 616 617 618 static int 619 madwifi_sta_clear_stats(void *priv, const u8 *addr) 620 { 621 #if defined(MADWIFI_BSD) && defined(IEEE80211_MLME_CLEAR_STATS) 622 struct madwifi_driver_data *drv = priv; 623 struct ieee80211req_mlme mlme; 624 int ret; 625 626 wpa_printf(MSG_DEBUG, "%s: addr=%s", __func__, ether_sprintf(addr)); 627 628 mlme.im_op = IEEE80211_MLME_CLEAR_STATS; 629 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); 630 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, 631 sizeof(mlme)); 632 if (ret < 0) { 633 wpa_printf(MSG_DEBUG, "%s: Failed to clear STA stats (addr " 634 MACSTR ")", __func__, MAC2STR(addr)); 635 } 636 637 return ret; 638 #else /* MADWIFI_BSD && IEEE80211_MLME_CLEAR_STATS */ 639 return 0; /* FIX */ 640 #endif /* MADWIFI_BSD && IEEE80211_MLME_CLEAR_STATS */ 641 } 642 643 644 static int 645 madwifi_set_opt_ie(void *priv, const u8 *ie, size_t ie_len) 646 { 647 /* 648 * Do nothing; we setup parameters at startup that define the 649 * contents of the beacon information element. 650 */ 651 return 0; 652 } 653 654 static int 655 madwifi_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, 656 int reason_code) 657 { 658 struct madwifi_driver_data *drv = priv; 659 struct ieee80211req_mlme mlme; 660 int ret; 661 662 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d", 663 __func__, ether_sprintf(addr), reason_code); 664 665 mlme.im_op = IEEE80211_MLME_DEAUTH; 666 mlme.im_reason = reason_code; 667 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); 668 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme)); 669 if (ret < 0) { 670 wpa_printf(MSG_DEBUG, "%s: Failed to deauth STA (addr " MACSTR 671 " reason %d)", 672 __func__, MAC2STR(addr), reason_code); 673 } 674 675 return ret; 676 } 677 678 static int 679 madwifi_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr, 680 int reason_code) 681 { 682 struct madwifi_driver_data *drv = priv; 683 struct ieee80211req_mlme mlme; 684 int ret; 685 686 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d", 687 __func__, ether_sprintf(addr), reason_code); 688 689 mlme.im_op = IEEE80211_MLME_DISASSOC; 690 mlme.im_reason = reason_code; 691 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); 692 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme)); 693 if (ret < 0) { 694 wpa_printf(MSG_DEBUG, "%s: Failed to disassoc STA (addr " 695 MACSTR " reason %d)", 696 __func__, MAC2STR(addr), reason_code); 697 } 698 699 return ret; 700 } 701 702 #ifdef CONFIG_WPS 703 #ifdef IEEE80211_IOCTL_FILTERFRAME 704 static void madwifi_raw_receive(void *ctx, const u8 *src_addr, const u8 *buf, 705 size_t len) 706 { 707 struct madwifi_driver_data *drv = ctx; 708 const struct ieee80211_mgmt *mgmt; 709 u16 fc; 710 union wpa_event_data event; 711 712 /* Send Probe Request information to WPS processing */ 713 714 if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req)) 715 return; 716 mgmt = (const struct ieee80211_mgmt *) buf; 717 718 fc = le_to_host16(mgmt->frame_control); 719 if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT || 720 WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_PROBE_REQ) 721 return; 722 723 os_memset(&event, 0, sizeof(event)); 724 event.rx_probe_req.sa = mgmt->sa; 725 event.rx_probe_req.da = mgmt->da; 726 event.rx_probe_req.bssid = mgmt->bssid; 727 event.rx_probe_req.ie = mgmt->u.probe_req.variable; 728 event.rx_probe_req.ie_len = 729 len - (IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req)); 730 wpa_supplicant_event(drv->hapd, EVENT_RX_PROBE_REQ, &event); 731 } 732 #endif /* IEEE80211_IOCTL_FILTERFRAME */ 733 #endif /* CONFIG_WPS */ 734 735 static int madwifi_receive_probe_req(struct madwifi_driver_data *drv) 736 { 737 int ret = 0; 738 #ifdef CONFIG_WPS 739 #ifdef IEEE80211_IOCTL_FILTERFRAME 740 struct ieee80211req_set_filter filt; 741 742 wpa_printf(MSG_DEBUG, "%s Enter", __func__); 743 filt.app_filterype = IEEE80211_FILTER_TYPE_PROBE_REQ; 744 745 ret = set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt, 746 sizeof(struct ieee80211req_set_filter)); 747 if (ret) 748 return ret; 749 750 drv->sock_raw = l2_packet_init(drv->iface, NULL, ETH_P_80211_RAW, 751 madwifi_raw_receive, drv, 1); 752 if (drv->sock_raw == NULL) 753 return -1; 754 #endif /* IEEE80211_IOCTL_FILTERFRAME */ 755 #endif /* CONFIG_WPS */ 756 return ret; 757 } 758 759 #ifdef CONFIG_WPS 760 static int 761 madwifi_set_wps_ie(void *priv, const u8 *ie, size_t len, u32 frametype) 762 { 763 struct madwifi_driver_data *drv = priv; 764 u8 buf[256]; 765 struct ieee80211req_getset_appiebuf *beac_ie; 766 767 wpa_printf(MSG_DEBUG, "%s buflen = %lu", __func__, 768 (unsigned long) len); 769 770 beac_ie = (struct ieee80211req_getset_appiebuf *) buf; 771 beac_ie->app_frmtype = frametype; 772 beac_ie->app_buflen = len; 773 memcpy(&(beac_ie->app_buf[0]), ie, len); 774 775 return set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, beac_ie, 776 sizeof(struct ieee80211req_getset_appiebuf) + len); 777 } 778 779 static int 780 madwifi_set_ap_wps_ie(void *priv, const struct wpabuf *beacon, 781 const struct wpabuf *proberesp, 782 const struct wpabuf *assocresp) 783 { 784 if (madwifi_set_wps_ie(priv, beacon ? wpabuf_head(beacon) : NULL, 785 beacon ? wpabuf_len(beacon) : 0, 786 IEEE80211_APPIE_FRAME_BEACON) < 0) 787 return -1; 788 return madwifi_set_wps_ie(priv, 789 proberesp ? wpabuf_head(proberesp) : NULL, 790 proberesp ? wpabuf_len(proberesp) : 0, 791 IEEE80211_APPIE_FRAME_PROBE_RESP); 792 } 793 #else /* CONFIG_WPS */ 794 #define madwifi_set_ap_wps_ie NULL 795 #endif /* CONFIG_WPS */ 796 797 static int madwifi_set_freq(void *priv, struct hostapd_freq_params *freq) 798 { 799 struct madwifi_driver_data *drv = priv; 800 struct iwreq iwr; 801 802 os_memset(&iwr, 0, sizeof(iwr)); 803 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 804 iwr.u.freq.m = freq->channel; 805 iwr.u.freq.e = 0; 806 807 if (ioctl(drv->ioctl_sock, SIOCSIWFREQ, &iwr) < 0) { 808 perror("ioctl[SIOCSIWFREQ]"); 809 return -1; 810 } 811 812 return 0; 813 } 814 815 static void 816 madwifi_new_sta(struct madwifi_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN]) 817 { 818 struct hostapd_data *hapd = drv->hapd; 819 struct ieee80211req_wpaie ie; 820 int ielen = 0; 821 u8 *iebuf = NULL; 822 823 /* 824 * Fetch negotiated WPA/RSN parameters from the system. 825 */ 826 memset(&ie, 0, sizeof(ie)); 827 memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN); 828 if (set80211priv(drv, IEEE80211_IOCTL_GETWPAIE, &ie, sizeof(ie))) { 829 wpa_printf(MSG_DEBUG, "%s: Failed to get WPA/RSN IE", 830 __func__); 831 goto no_ie; 832 } 833 wpa_hexdump(MSG_MSGDUMP, "madwifi req WPA IE", 834 ie.wpa_ie, IEEE80211_MAX_OPT_IE); 835 iebuf = ie.wpa_ie; 836 /* madwifi seems to return some random data if WPA/RSN IE is not set. 837 * Assume the IE was not included if the IE type is unknown. */ 838 if (iebuf[0] != WLAN_EID_VENDOR_SPECIFIC) 839 iebuf[1] = 0; 840 #ifdef MADWIFI_NG 841 wpa_hexdump(MSG_MSGDUMP, "madwifi req RSN IE", 842 ie.rsn_ie, IEEE80211_MAX_OPT_IE); 843 if (iebuf[1] == 0 && ie.rsn_ie[1] > 0) { 844 /* madwifi-ng svn #1453 added rsn_ie. Use it, if wpa_ie was not 845 * set. This is needed for WPA2. */ 846 iebuf = ie.rsn_ie; 847 if (iebuf[0] != WLAN_EID_RSN) 848 iebuf[1] = 0; 849 } 850 #endif /* MADWIFI_NG */ 851 852 ielen = iebuf[1]; 853 if (ielen == 0) 854 iebuf = NULL; 855 else 856 ielen += 2; 857 858 no_ie: 859 drv_event_assoc(hapd, addr, iebuf, ielen, 0); 860 861 if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) { 862 /* Cached accounting data is not valid anymore. */ 863 memset(drv->acct_mac, 0, ETH_ALEN); 864 memset(&drv->acct_data, 0, sizeof(drv->acct_data)); 865 } 866 } 867 868 static void 869 madwifi_wireless_event_wireless_custom(struct madwifi_driver_data *drv, 870 char *custom) 871 { 872 wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom); 873 874 if (strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) { 875 char *pos; 876 u8 addr[ETH_ALEN]; 877 pos = strstr(custom, "addr="); 878 if (pos == NULL) { 879 wpa_printf(MSG_DEBUG, 880 "MLME-MICHAELMICFAILURE.indication " 881 "without sender address ignored"); 882 return; 883 } 884 pos += 5; 885 if (hwaddr_aton(pos, addr) == 0) { 886 union wpa_event_data data; 887 os_memset(&data, 0, sizeof(data)); 888 data.michael_mic_failure.unicast = 1; 889 data.michael_mic_failure.src = addr; 890 wpa_supplicant_event(drv->hapd, 891 EVENT_MICHAEL_MIC_FAILURE, &data); 892 } else { 893 wpa_printf(MSG_DEBUG, 894 "MLME-MICHAELMICFAILURE.indication " 895 "with invalid MAC address"); 896 } 897 } else if (strncmp(custom, "STA-TRAFFIC-STAT", 16) == 0) { 898 char *key, *value; 899 u32 val; 900 key = custom; 901 while ((key = strchr(key, '\n')) != NULL) { 902 key++; 903 value = strchr(key, '='); 904 if (value == NULL) 905 continue; 906 *value++ = '\0'; 907 val = strtoul(value, NULL, 10); 908 if (strcmp(key, "mac") == 0) 909 hwaddr_aton(value, drv->acct_mac); 910 else if (strcmp(key, "rx_packets") == 0) 911 drv->acct_data.rx_packets = val; 912 else if (strcmp(key, "tx_packets") == 0) 913 drv->acct_data.tx_packets = val; 914 else if (strcmp(key, "rx_bytes") == 0) 915 drv->acct_data.rx_bytes = val; 916 else if (strcmp(key, "tx_bytes") == 0) 917 drv->acct_data.tx_bytes = val; 918 key = value; 919 } 920 } 921 } 922 923 static void 924 madwifi_wireless_event_wireless(struct madwifi_driver_data *drv, 925 char *data, int len) 926 { 927 struct iw_event iwe_buf, *iwe = &iwe_buf; 928 char *pos, *end, *custom, *buf; 929 930 pos = data; 931 end = data + len; 932 933 while (pos + IW_EV_LCP_LEN <= end) { 934 /* Event data may be unaligned, so make a local, aligned copy 935 * before processing. */ 936 memcpy(&iwe_buf, pos, IW_EV_LCP_LEN); 937 wpa_printf(MSG_MSGDUMP, "Wireless event: cmd=0x%x len=%d", 938 iwe->cmd, iwe->len); 939 if (iwe->len <= IW_EV_LCP_LEN) 940 return; 941 942 custom = pos + IW_EV_POINT_LEN; 943 if (drv->we_version > 18 && 944 (iwe->cmd == IWEVMICHAELMICFAILURE || 945 iwe->cmd == IWEVCUSTOM)) { 946 /* WE-19 removed the pointer from struct iw_point */ 947 char *dpos = (char *) &iwe_buf.u.data.length; 948 int dlen = dpos - (char *) &iwe_buf; 949 memcpy(dpos, pos + IW_EV_LCP_LEN, 950 sizeof(struct iw_event) - dlen); 951 } else { 952 memcpy(&iwe_buf, pos, sizeof(struct iw_event)); 953 custom += IW_EV_POINT_OFF; 954 } 955 956 switch (iwe->cmd) { 957 case IWEVEXPIRED: 958 drv_event_disassoc(drv->hapd, 959 (u8 *) iwe->u.addr.sa_data); 960 break; 961 case IWEVREGISTERED: 962 madwifi_new_sta(drv, (u8 *) iwe->u.addr.sa_data); 963 break; 964 case IWEVCUSTOM: 965 if (custom + iwe->u.data.length > end) 966 return; 967 buf = malloc(iwe->u.data.length + 1); 968 if (buf == NULL) 969 return; /* XXX */ 970 memcpy(buf, custom, iwe->u.data.length); 971 buf[iwe->u.data.length] = '\0'; 972 madwifi_wireless_event_wireless_custom(drv, buf); 973 free(buf); 974 break; 975 } 976 977 pos += iwe->len; 978 } 979 } 980 981 982 static void 983 madwifi_wireless_event_rtm_newlink(void *ctx, struct ifinfomsg *ifi, 984 u8 *buf, size_t len) 985 { 986 struct madwifi_driver_data *drv = ctx; 987 int attrlen, rta_len; 988 struct rtattr *attr; 989 990 if (ifi->ifi_index != drv->ifindex) 991 return; 992 993 attrlen = len; 994 attr = (struct rtattr *) buf; 995 996 rta_len = RTA_ALIGN(sizeof(struct rtattr)); 997 while (RTA_OK(attr, attrlen)) { 998 if (attr->rta_type == IFLA_WIRELESS) { 999 madwifi_wireless_event_wireless( 1000 drv, ((char *) attr) + rta_len, 1001 attr->rta_len - rta_len); 1002 } 1003 attr = RTA_NEXT(attr, attrlen); 1004 } 1005 } 1006 1007 1008 static int 1009 madwifi_get_we_version(struct madwifi_driver_data *drv) 1010 { 1011 struct iw_range *range; 1012 struct iwreq iwr; 1013 int minlen; 1014 size_t buflen; 1015 1016 drv->we_version = 0; 1017 1018 /* 1019 * Use larger buffer than struct iw_range in order to allow the 1020 * structure to grow in the future. 1021 */ 1022 buflen = sizeof(struct iw_range) + 500; 1023 range = os_zalloc(buflen); 1024 if (range == NULL) 1025 return -1; 1026 1027 memset(&iwr, 0, sizeof(iwr)); 1028 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1029 iwr.u.data.pointer = (caddr_t) range; 1030 iwr.u.data.length = buflen; 1031 1032 minlen = ((char *) &range->enc_capa) - (char *) range + 1033 sizeof(range->enc_capa); 1034 1035 if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) { 1036 perror("ioctl[SIOCGIWRANGE]"); 1037 free(range); 1038 return -1; 1039 } else if (iwr.u.data.length >= minlen && 1040 range->we_version_compiled >= 18) { 1041 wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d " 1042 "WE(source)=%d enc_capa=0x%x", 1043 range->we_version_compiled, 1044 range->we_version_source, 1045 range->enc_capa); 1046 drv->we_version = range->we_version_compiled; 1047 } 1048 1049 free(range); 1050 return 0; 1051 } 1052 1053 1054 static int 1055 madwifi_wireless_event_init(struct madwifi_driver_data *drv) 1056 { 1057 struct netlink_config *cfg; 1058 1059 madwifi_get_we_version(drv); 1060 1061 cfg = os_zalloc(sizeof(*cfg)); 1062 if (cfg == NULL) 1063 return -1; 1064 cfg->ctx = drv; 1065 cfg->newlink_cb = madwifi_wireless_event_rtm_newlink; 1066 drv->netlink = netlink_init(cfg); 1067 if (drv->netlink == NULL) { 1068 os_free(cfg); 1069 return -1; 1070 } 1071 1072 return 0; 1073 } 1074 1075 1076 static int 1077 madwifi_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len, 1078 int encrypt, const u8 *own_addr, u32 flags) 1079 { 1080 struct madwifi_driver_data *drv = priv; 1081 unsigned char buf[3000]; 1082 unsigned char *bp = buf; 1083 struct l2_ethhdr *eth; 1084 size_t len; 1085 int status; 1086 1087 /* 1088 * Prepend the Ethernet header. If the caller left us 1089 * space at the front we could just insert it but since 1090 * we don't know we copy to a local buffer. Given the frequency 1091 * and size of frames this probably doesn't matter. 1092 */ 1093 len = data_len + sizeof(struct l2_ethhdr); 1094 if (len > sizeof(buf)) { 1095 bp = malloc(len); 1096 if (bp == NULL) { 1097 printf("EAPOL frame discarded, cannot malloc temp " 1098 "buffer of size %lu!\n", (unsigned long) len); 1099 return -1; 1100 } 1101 } 1102 eth = (struct l2_ethhdr *) bp; 1103 memcpy(eth->h_dest, addr, ETH_ALEN); 1104 memcpy(eth->h_source, own_addr, ETH_ALEN); 1105 eth->h_proto = host_to_be16(ETH_P_EAPOL); 1106 memcpy(eth+1, data, data_len); 1107 1108 wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len); 1109 1110 status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len); 1111 1112 if (bp != buf) 1113 free(bp); 1114 return status; 1115 } 1116 1117 static void 1118 handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len) 1119 { 1120 struct madwifi_driver_data *drv = ctx; 1121 drv_event_eapol_rx(drv->hapd, src_addr, buf + sizeof(struct l2_ethhdr), 1122 len - sizeof(struct l2_ethhdr)); 1123 } 1124 1125 static void * 1126 madwifi_init(struct hostapd_data *hapd, struct wpa_init_params *params) 1127 { 1128 struct madwifi_driver_data *drv; 1129 struct ifreq ifr; 1130 struct iwreq iwr; 1131 char brname[IFNAMSIZ]; 1132 1133 drv = os_zalloc(sizeof(struct madwifi_driver_data)); 1134 if (drv == NULL) { 1135 printf("Could not allocate memory for madwifi driver data\n"); 1136 return NULL; 1137 } 1138 1139 drv->hapd = hapd; 1140 drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0); 1141 if (drv->ioctl_sock < 0) { 1142 perror("socket[PF_INET,SOCK_DGRAM]"); 1143 goto bad; 1144 } 1145 memcpy(drv->iface, params->ifname, sizeof(drv->iface)); 1146 1147 memset(&ifr, 0, sizeof(ifr)); 1148 os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name)); 1149 if (ioctl(drv->ioctl_sock, SIOCGIFINDEX, &ifr) != 0) { 1150 perror("ioctl(SIOCGIFINDEX)"); 1151 goto bad; 1152 } 1153 drv->ifindex = ifr.ifr_ifindex; 1154 1155 drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL, 1156 handle_read, drv, 1); 1157 if (drv->sock_xmit == NULL) 1158 goto bad; 1159 if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr)) 1160 goto bad; 1161 if (params->bridge[0]) { 1162 wpa_printf(MSG_DEBUG, "Configure bridge %s for EAPOL traffic.", 1163 params->bridge[0]); 1164 drv->sock_recv = l2_packet_init(params->bridge[0], NULL, 1165 ETH_P_EAPOL, handle_read, drv, 1166 1); 1167 if (drv->sock_recv == NULL) 1168 goto bad; 1169 } else if (linux_br_get(brname, drv->iface) == 0) { 1170 wpa_printf(MSG_DEBUG, "Interface in bridge %s; configure for " 1171 "EAPOL receive", brname); 1172 drv->sock_recv = l2_packet_init(brname, NULL, ETH_P_EAPOL, 1173 handle_read, drv, 1); 1174 if (drv->sock_recv == NULL) 1175 goto bad; 1176 } else 1177 drv->sock_recv = drv->sock_xmit; 1178 1179 memset(&iwr, 0, sizeof(iwr)); 1180 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1181 1182 iwr.u.mode = IW_MODE_MASTER; 1183 1184 if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) < 0) { 1185 perror("ioctl[SIOCSIWMODE]"); 1186 printf("Could not set interface to master mode!\n"); 1187 goto bad; 1188 } 1189 1190 /* mark down during setup */ 1191 linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0); 1192 madwifi_set_privacy(drv, 0); /* default to no privacy */ 1193 1194 madwifi_receive_probe_req(drv); 1195 1196 if (madwifi_wireless_event_init(drv)) 1197 goto bad; 1198 1199 return drv; 1200 bad: 1201 if (drv->sock_xmit != NULL) 1202 l2_packet_deinit(drv->sock_xmit); 1203 if (drv->ioctl_sock >= 0) 1204 close(drv->ioctl_sock); 1205 if (drv != NULL) 1206 free(drv); 1207 return NULL; 1208 } 1209 1210 1211 static void 1212 madwifi_deinit(void *priv) 1213 { 1214 struct madwifi_driver_data *drv = priv; 1215 1216 netlink_deinit(drv->netlink); 1217 (void) linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0); 1218 if (drv->ioctl_sock >= 0) 1219 close(drv->ioctl_sock); 1220 if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit) 1221 l2_packet_deinit(drv->sock_recv); 1222 if (drv->sock_xmit != NULL) 1223 l2_packet_deinit(drv->sock_xmit); 1224 if (drv->sock_raw) 1225 l2_packet_deinit(drv->sock_raw); 1226 free(drv); 1227 } 1228 1229 static int 1230 madwifi_set_ssid(void *priv, const u8 *buf, int len) 1231 { 1232 struct madwifi_driver_data *drv = priv; 1233 struct iwreq iwr; 1234 1235 memset(&iwr, 0, sizeof(iwr)); 1236 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1237 iwr.u.essid.flags = 1; /* SSID active */ 1238 iwr.u.essid.pointer = (caddr_t) buf; 1239 iwr.u.essid.length = len + 1; 1240 1241 if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) { 1242 perror("ioctl[SIOCSIWESSID]"); 1243 printf("len=%d\n", len); 1244 return -1; 1245 } 1246 return 0; 1247 } 1248 1249 static int 1250 madwifi_get_ssid(void *priv, u8 *buf, int len) 1251 { 1252 struct madwifi_driver_data *drv = priv; 1253 struct iwreq iwr; 1254 int ret = 0; 1255 1256 memset(&iwr, 0, sizeof(iwr)); 1257 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1258 iwr.u.essid.pointer = (caddr_t) buf; 1259 iwr.u.essid.length = len; 1260 1261 if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) { 1262 perror("ioctl[SIOCGIWESSID]"); 1263 ret = -1; 1264 } else 1265 ret = iwr.u.essid.length; 1266 1267 return ret; 1268 } 1269 1270 static int 1271 madwifi_set_countermeasures(void *priv, int enabled) 1272 { 1273 struct madwifi_driver_data *drv = priv; 1274 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled); 1275 return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled); 1276 } 1277 1278 static int 1279 madwifi_commit(void *priv) 1280 { 1281 struct madwifi_driver_data *drv = priv; 1282 return linux_set_iface_flags(drv->ioctl_sock, drv->iface, 1); 1283 } 1284 1285 1286 const struct wpa_driver_ops wpa_driver_madwifi_ops = { 1287 .name = "madwifi", 1288 .desc = "MADWIFI 802.11 support (Atheros, etc.)", 1289 .set_key = wpa_driver_madwifi_set_key, 1290 .hapd_init = madwifi_init, 1291 .hapd_deinit = madwifi_deinit, 1292 .set_ieee8021x = madwifi_set_ieee8021x, 1293 .set_privacy = madwifi_set_privacy, 1294 .get_seqnum = madwifi_get_seqnum, 1295 .flush = madwifi_flush, 1296 .set_generic_elem = madwifi_set_opt_ie, 1297 .sta_set_flags = madwifi_sta_set_flags, 1298 .read_sta_data = madwifi_read_sta_driver_data, 1299 .hapd_send_eapol = madwifi_send_eapol, 1300 .sta_disassoc = madwifi_sta_disassoc, 1301 .sta_deauth = madwifi_sta_deauth, 1302 .hapd_set_ssid = madwifi_set_ssid, 1303 .hapd_get_ssid = madwifi_get_ssid, 1304 .hapd_set_countermeasures = madwifi_set_countermeasures, 1305 .sta_clear_stats = madwifi_sta_clear_stats, 1306 .commit = madwifi_commit, 1307 .set_ap_wps_ie = madwifi_set_ap_wps_ie, 1308 .set_freq = madwifi_set_freq, 1309 }; 1310
