driver_madwifi.c revision 5460547a121207cf7a99eac45e05fcdd83be3161
1/* 2 * WPA Supplicant - driver interaction with MADWIFI 802.11 driver 3 * Copyright (c) 2004, Sam Leffler <sam@errno.com> 4 * Copyright (c) 2004, Video54 Technologies 5 * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi> 6 * 7 * This software may be distributed under the terms of the BSD license. 8 * See README for more details. 9 * 10 * While this driver wrapper supports both AP (hostapd) and station 11 * (wpa_supplicant) operations, the station side is deprecated and 12 * driver_wext.c should be used instead. This driver wrapper should only be 13 * used with hostapd for AP mode functionality. 14 */ 15 16#include "includes.h" 17#include <sys/ioctl.h> 18 19#include "common.h" 20#include "driver.h" 21#include "driver_wext.h" 22#include "eloop.h" 23#include "common/ieee802_11_defs.h" 24#include "linux_wext.h" 25 26/* 27 * Avoid conflicts with wpa_supplicant definitions by undefining a definition. 28 */ 29#undef WME_OUI_TYPE 30 31#include <include/compat.h> 32#include <net80211/ieee80211.h> 33#ifdef WME_NUM_AC 34/* Assume this is built against BSD branch of madwifi driver. */ 35#define MADWIFI_BSD 36#include <net80211/_ieee80211.h> 37#endif /* WME_NUM_AC */ 38#include <net80211/ieee80211_crypto.h> 39#include <net80211/ieee80211_ioctl.h> 40 41#ifdef CONFIG_WPS 42#ifdef IEEE80211_IOCTL_FILTERFRAME 43#include <netpacket/packet.h> 44 45#ifndef ETH_P_80211_RAW 46#define ETH_P_80211_RAW 0x0019 47#endif 48#endif /* IEEE80211_IOCTL_FILTERFRAME */ 49#endif /* CONFIG_WPS */ 50 51/* 52 * Avoid conflicts with hostapd definitions by undefining couple of defines 53 * from madwifi header files. 54 */ 55#undef RSN_VERSION 56#undef WPA_VERSION 57#undef WPA_OUI_TYPE 58#undef WME_OUI_TYPE 59 60 61#ifdef IEEE80211_IOCTL_SETWMMPARAMS 62/* Assume this is built against madwifi-ng */ 63#define MADWIFI_NG 64#endif /* IEEE80211_IOCTL_SETWMMPARAMS */ 65 66#define WPA_KEY_RSC_LEN 8 67 68#include "priv_netlink.h" 69#include "netlink.h" 70#include "linux_ioctl.h" 71#include "l2_packet/l2_packet.h" 72 73 74struct madwifi_driver_data { 75 struct hostapd_data *hapd; /* back pointer */ 76 77 char iface[IFNAMSIZ + 1]; 78 int ifindex; 79 struct l2_packet_data *sock_xmit; /* raw packet xmit socket */ 80 struct l2_packet_data *sock_recv; /* raw packet recv socket */ 81 int ioctl_sock; /* socket for ioctl() use */ 82 struct netlink_data *netlink; 83 int we_version; 84 u8 acct_mac[ETH_ALEN]; 85 struct hostap_sta_driver_data acct_data; 86 87 struct l2_packet_data *sock_raw; /* raw 802.11 management frames */ 88}; 89 90static int madwifi_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, 91 int reason_code); 92 93static int 94set80211priv(struct madwifi_driver_data *drv, int op, void *data, int len) 95{ 96 struct iwreq iwr; 97 int do_inline = len < IFNAMSIZ; 98 99 memset(&iwr, 0, sizeof(iwr)); 100 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 101#ifdef IEEE80211_IOCTL_FILTERFRAME 102 /* FILTERFRAME must be NOT inline, regardless of size. */ 103 if (op == IEEE80211_IOCTL_FILTERFRAME) 104 do_inline = 0; 105#endif /* IEEE80211_IOCTL_FILTERFRAME */ 106 if (op == IEEE80211_IOCTL_SET_APPIEBUF) 107 do_inline = 0; 108 if (do_inline) { 109 /* 110 * Argument data fits inline; put it there. 111 */ 112 memcpy(iwr.u.name, data, len); 113 } else { 114 /* 115 * Argument data too big for inline transfer; setup a 116 * parameter block instead; the kernel will transfer 117 * the data for the driver. 118 */ 119 iwr.u.data.pointer = data; 120 iwr.u.data.length = len; 121 } 122 123 if (ioctl(drv->ioctl_sock, op, &iwr) < 0) { 124#ifdef MADWIFI_NG 125 int first = IEEE80211_IOCTL_SETPARAM; 126 static const char *opnames[] = { 127 "ioctl[IEEE80211_IOCTL_SETPARAM]", 128 "ioctl[IEEE80211_IOCTL_GETPARAM]", 129 "ioctl[IEEE80211_IOCTL_SETMODE]", 130 "ioctl[IEEE80211_IOCTL_GETMODE]", 131 "ioctl[IEEE80211_IOCTL_SETWMMPARAMS]", 132 "ioctl[IEEE80211_IOCTL_GETWMMPARAMS]", 133 "ioctl[IEEE80211_IOCTL_SETCHANLIST]", 134 "ioctl[IEEE80211_IOCTL_GETCHANLIST]", 135 "ioctl[IEEE80211_IOCTL_CHANSWITCH]", 136 "ioctl[IEEE80211_IOCTL_GET_APPIEBUF]", 137 "ioctl[IEEE80211_IOCTL_SET_APPIEBUF]", 138 "ioctl[IEEE80211_IOCTL_GETSCANRESULTS]", 139 "ioctl[IEEE80211_IOCTL_FILTERFRAME]", 140 "ioctl[IEEE80211_IOCTL_GETCHANINFO]", 141 "ioctl[IEEE80211_IOCTL_SETOPTIE]", 142 "ioctl[IEEE80211_IOCTL_GETOPTIE]", 143 "ioctl[IEEE80211_IOCTL_SETMLME]", 144 NULL, 145 "ioctl[IEEE80211_IOCTL_SETKEY]", 146 NULL, 147 "ioctl[IEEE80211_IOCTL_DELKEY]", 148 NULL, 149 "ioctl[IEEE80211_IOCTL_ADDMAC]", 150 NULL, 151 "ioctl[IEEE80211_IOCTL_DELMAC]", 152 NULL, 153 "ioctl[IEEE80211_IOCTL_WDSMAC]", 154 NULL, 155 "ioctl[IEEE80211_IOCTL_WDSDELMAC]", 156 NULL, 157 "ioctl[IEEE80211_IOCTL_KICKMAC]", 158 }; 159#else /* MADWIFI_NG */ 160 int first = IEEE80211_IOCTL_SETPARAM; 161 static const char *opnames[] = { 162 "ioctl[IEEE80211_IOCTL_SETPARAM]", 163 "ioctl[IEEE80211_IOCTL_GETPARAM]", 164 "ioctl[IEEE80211_IOCTL_SETKEY]", 165 "ioctl[SIOCIWFIRSTPRIV+3]", 166 "ioctl[IEEE80211_IOCTL_DELKEY]", 167 "ioctl[SIOCIWFIRSTPRIV+5]", 168 "ioctl[IEEE80211_IOCTL_SETMLME]", 169 "ioctl[SIOCIWFIRSTPRIV+7]", 170 "ioctl[IEEE80211_IOCTL_SETOPTIE]", 171 "ioctl[IEEE80211_IOCTL_GETOPTIE]", 172 "ioctl[IEEE80211_IOCTL_ADDMAC]", 173 "ioctl[SIOCIWFIRSTPRIV+11]", 174 "ioctl[IEEE80211_IOCTL_DELMAC]", 175 "ioctl[SIOCIWFIRSTPRIV+13]", 176 "ioctl[IEEE80211_IOCTL_CHANLIST]", 177 "ioctl[SIOCIWFIRSTPRIV+15]", 178 "ioctl[IEEE80211_IOCTL_GETRSN]", 179 "ioctl[SIOCIWFIRSTPRIV+17]", 180 "ioctl[IEEE80211_IOCTL_GETKEY]", 181 }; 182#endif /* MADWIFI_NG */ 183 int idx = op - first; 184 if (first <= op && 185 idx < (int) ARRAY_SIZE(opnames) && 186 opnames[idx]) 187 perror(opnames[idx]); 188 else 189 perror("ioctl[unknown???]"); 190 return -1; 191 } 192 return 0; 193} 194 195static int 196set80211param(struct madwifi_driver_data *drv, int op, int arg) 197{ 198 struct iwreq iwr; 199 200 memset(&iwr, 0, sizeof(iwr)); 201 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 202 iwr.u.mode = op; 203 memcpy(iwr.u.name+sizeof(__u32), &arg, sizeof(arg)); 204 205 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) { 206 perror("ioctl[IEEE80211_IOCTL_SETPARAM]"); 207 wpa_printf(MSG_DEBUG, "%s: Failed to set parameter (op %d " 208 "arg %d)", __func__, op, arg); 209 return -1; 210 } 211 return 0; 212} 213 214#ifndef CONFIG_NO_STDOUT_DEBUG 215static const char * 216ether_sprintf(const u8 *addr) 217{ 218 static char buf[sizeof(MACSTR)]; 219 220 if (addr != NULL) 221 snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr)); 222 else 223 snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0); 224 return buf; 225} 226#endif /* CONFIG_NO_STDOUT_DEBUG */ 227 228/* 229 * Configure WPA parameters. 230 */ 231static int 232madwifi_configure_wpa(struct madwifi_driver_data *drv, 233 struct wpa_bss_params *params) 234{ 235 int v; 236 237 switch (params->wpa_group) { 238 case WPA_CIPHER_CCMP: 239 v = IEEE80211_CIPHER_AES_CCM; 240 break; 241 case WPA_CIPHER_TKIP: 242 v = IEEE80211_CIPHER_TKIP; 243 break; 244 case WPA_CIPHER_WEP104: 245 v = IEEE80211_CIPHER_WEP; 246 break; 247 case WPA_CIPHER_WEP40: 248 v = IEEE80211_CIPHER_WEP; 249 break; 250 case WPA_CIPHER_NONE: 251 v = IEEE80211_CIPHER_NONE; 252 break; 253 default: 254 wpa_printf(MSG_ERROR, "Unknown group key cipher %u", 255 params->wpa_group); 256 return -1; 257 } 258 wpa_printf(MSG_DEBUG, "%s: group key cipher=%d", __func__, v); 259 if (set80211param(drv, IEEE80211_PARAM_MCASTCIPHER, v)) { 260 printf("Unable to set group key cipher to %u\n", v); 261 return -1; 262 } 263 if (v == IEEE80211_CIPHER_WEP) { 264 /* key length is done only for specific ciphers */ 265 v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5); 266 if (set80211param(drv, IEEE80211_PARAM_MCASTKEYLEN, v)) { 267 printf("Unable to set group key length to %u\n", v); 268 return -1; 269 } 270 } 271 272 v = 0; 273 if (params->wpa_pairwise & WPA_CIPHER_CCMP) 274 v |= 1<<IEEE80211_CIPHER_AES_CCM; 275 if (params->wpa_pairwise & WPA_CIPHER_TKIP) 276 v |= 1<<IEEE80211_CIPHER_TKIP; 277 if (params->wpa_pairwise & WPA_CIPHER_NONE) 278 v |= 1<<IEEE80211_CIPHER_NONE; 279 wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v); 280 if (set80211param(drv, IEEE80211_PARAM_UCASTCIPHERS, v)) { 281 printf("Unable to set pairwise key ciphers to 0x%x\n", v); 282 return -1; 283 } 284 285 wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x", 286 __func__, params->wpa_key_mgmt); 287 if (set80211param(drv, IEEE80211_PARAM_KEYMGTALGS, 288 params->wpa_key_mgmt)) { 289 printf("Unable to set key management algorithms to 0x%x\n", 290 params->wpa_key_mgmt); 291 return -1; 292 } 293 294 v = 0; 295 if (params->rsn_preauth) 296 v |= BIT(0); 297 wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x", 298 __func__, params->rsn_preauth); 299 if (set80211param(drv, IEEE80211_PARAM_RSNCAPS, v)) { 300 printf("Unable to set RSN capabilities to 0x%x\n", v); 301 return -1; 302 } 303 304 wpa_printf(MSG_DEBUG, "%s: enable WPA=0x%x", __func__, params->wpa); 305 if (set80211param(drv, IEEE80211_PARAM_WPA, params->wpa)) { 306 printf("Unable to set WPA to %u\n", params->wpa); 307 return -1; 308 } 309 return 0; 310} 311 312static int 313madwifi_set_ieee8021x(void *priv, struct wpa_bss_params *params) 314{ 315 struct madwifi_driver_data *drv = priv; 316 317 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled); 318 319 if (!params->enabled) { 320 /* XXX restore state */ 321 return set80211param(priv, IEEE80211_PARAM_AUTHMODE, 322 IEEE80211_AUTH_AUTO); 323 } 324 if (!params->wpa && !params->ieee802_1x) { 325 wpa_printf(MSG_WARNING, "No 802.1X or WPA enabled!"); 326 return -1; 327 } 328 if (params->wpa && madwifi_configure_wpa(drv, params) != 0) { 329 wpa_printf(MSG_WARNING, "Error configuring WPA state!"); 330 return -1; 331 } 332 if (set80211param(priv, IEEE80211_PARAM_AUTHMODE, 333 (params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) { 334 wpa_printf(MSG_WARNING, "Error enabling WPA/802.1X!"); 335 return -1; 336 } 337 338 return 0; 339} 340 341static int 342madwifi_set_privacy(void *priv, int enabled) 343{ 344 struct madwifi_driver_data *drv = priv; 345 346 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled); 347 348 return set80211param(drv, IEEE80211_PARAM_PRIVACY, enabled); 349} 350 351static int 352madwifi_set_sta_authorized(void *priv, const u8 *addr, int authorized) 353{ 354 struct madwifi_driver_data *drv = priv; 355 struct ieee80211req_mlme mlme; 356 int ret; 357 358 wpa_printf(MSG_DEBUG, "%s: addr=%s authorized=%d", 359 __func__, ether_sprintf(addr), authorized); 360 361 if (authorized) 362 mlme.im_op = IEEE80211_MLME_AUTHORIZE; 363 else 364 mlme.im_op = IEEE80211_MLME_UNAUTHORIZE; 365 mlme.im_reason = 0; 366 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); 367 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme)); 368 if (ret < 0) { 369 wpa_printf(MSG_DEBUG, "%s: Failed to %sauthorize STA " MACSTR, 370 __func__, authorized ? "" : "un", MAC2STR(addr)); 371 } 372 373 return ret; 374} 375 376static int 377madwifi_sta_set_flags(void *priv, const u8 *addr, 378 int total_flags, int flags_or, int flags_and) 379{ 380 /* For now, only support setting Authorized flag */ 381 if (flags_or & WPA_STA_AUTHORIZED) 382 return madwifi_set_sta_authorized(priv, addr, 1); 383 if (!(flags_and & WPA_STA_AUTHORIZED)) 384 return madwifi_set_sta_authorized(priv, addr, 0); 385 return 0; 386} 387 388static int 389madwifi_del_key(void *priv, const u8 *addr, int key_idx) 390{ 391 struct madwifi_driver_data *drv = priv; 392 struct ieee80211req_del_key wk; 393 int ret; 394 395 wpa_printf(MSG_DEBUG, "%s: addr=%s key_idx=%d", 396 __func__, ether_sprintf(addr), key_idx); 397 398 memset(&wk, 0, sizeof(wk)); 399 if (addr != NULL) { 400 memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN); 401 wk.idk_keyix = (u8) IEEE80211_KEYIX_NONE; 402 } else { 403 wk.idk_keyix = key_idx; 404 } 405 406 ret = set80211priv(drv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk)); 407 if (ret < 0) { 408 wpa_printf(MSG_DEBUG, "%s: Failed to delete key (addr %s" 409 " key_idx %d)", __func__, ether_sprintf(addr), 410 key_idx); 411 } 412 413 return ret; 414} 415 416static int 417wpa_driver_madwifi_set_key(const char *ifname, void *priv, enum wpa_alg alg, 418 const u8 *addr, int key_idx, int set_tx, 419 const u8 *seq, size_t seq_len, 420 const u8 *key, size_t key_len) 421{ 422 struct madwifi_driver_data *drv = priv; 423 struct ieee80211req_key wk; 424 u_int8_t cipher; 425 int ret; 426 427 if (alg == WPA_ALG_NONE) 428 return madwifi_del_key(drv, addr, key_idx); 429 430 wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%s key_idx=%d", 431 __func__, alg, ether_sprintf(addr), key_idx); 432 433 if (alg == WPA_ALG_WEP) 434 cipher = IEEE80211_CIPHER_WEP; 435 else if (alg == WPA_ALG_TKIP) 436 cipher = IEEE80211_CIPHER_TKIP; 437 else if (alg == WPA_ALG_CCMP) 438 cipher = IEEE80211_CIPHER_AES_CCM; 439 else { 440 printf("%s: unknown/unsupported algorithm %d\n", 441 __func__, alg); 442 return -1; 443 } 444 445 if (key_len > sizeof(wk.ik_keydata)) { 446 printf("%s: key length %lu too big\n", __func__, 447 (unsigned long) key_len); 448 return -3; 449 } 450 451 memset(&wk, 0, sizeof(wk)); 452 wk.ik_type = cipher; 453 wk.ik_flags = IEEE80211_KEY_RECV | IEEE80211_KEY_XMIT; 454 if (addr == NULL || is_broadcast_ether_addr(addr)) { 455 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN); 456 wk.ik_keyix = key_idx; 457 wk.ik_flags |= IEEE80211_KEY_DEFAULT; 458 } else { 459 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN); 460 wk.ik_keyix = IEEE80211_KEYIX_NONE; 461 } 462 wk.ik_keylen = key_len; 463 memcpy(wk.ik_keydata, key, key_len); 464 465 ret = set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk)); 466 if (ret < 0) { 467 wpa_printf(MSG_DEBUG, "%s: Failed to set key (addr %s" 468 " key_idx %d alg %d key_len %lu set_tx %d)", 469 __func__, ether_sprintf(wk.ik_macaddr), key_idx, 470 alg, (unsigned long) key_len, set_tx); 471 } 472 473 return ret; 474} 475 476 477static int 478madwifi_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx, 479 u8 *seq) 480{ 481 struct madwifi_driver_data *drv = priv; 482 struct ieee80211req_key wk; 483 484 wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d", 485 __func__, ether_sprintf(addr), idx); 486 487 memset(&wk, 0, sizeof(wk)); 488 if (addr == NULL) 489 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN); 490 else 491 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN); 492 wk.ik_keyix = idx; 493 494 if (set80211priv(drv, IEEE80211_IOCTL_GETKEY, &wk, sizeof(wk))) { 495 wpa_printf(MSG_DEBUG, "%s: Failed to get encryption data " 496 "(addr " MACSTR " key_idx %d)", 497 __func__, MAC2STR(wk.ik_macaddr), idx); 498 return -1; 499 } 500 501#ifdef WORDS_BIGENDIAN 502 { 503 /* 504 * wk.ik_keytsc is in host byte order (big endian), need to 505 * swap it to match with the byte order used in WPA. 506 */ 507 int i; 508 u8 tmp[WPA_KEY_RSC_LEN]; 509 memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc)); 510 for (i = 0; i < WPA_KEY_RSC_LEN; i++) { 511 seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1]; 512 } 513 } 514#else /* WORDS_BIGENDIAN */ 515 memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc)); 516#endif /* WORDS_BIGENDIAN */ 517 return 0; 518} 519 520 521static int 522madwifi_flush(void *priv) 523{ 524#ifdef MADWIFI_BSD 525 u8 allsta[IEEE80211_ADDR_LEN]; 526 memset(allsta, 0xff, IEEE80211_ADDR_LEN); 527 return madwifi_sta_deauth(priv, NULL, allsta, 528 IEEE80211_REASON_AUTH_LEAVE); 529#else /* MADWIFI_BSD */ 530 return 0; /* XXX */ 531#endif /* MADWIFI_BSD */ 532} 533 534 535static int 536madwifi_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data, 537 const u8 *addr) 538{ 539 struct madwifi_driver_data *drv = priv; 540 541#ifdef MADWIFI_BSD 542 struct ieee80211req_sta_stats stats; 543 544 memset(data, 0, sizeof(*data)); 545 546 /* 547 * Fetch statistics for station from the system. 548 */ 549 memset(&stats, 0, sizeof(stats)); 550 memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN); 551 if (set80211priv(drv, 552#ifdef MADWIFI_NG 553 IEEE80211_IOCTL_STA_STATS, 554#else /* MADWIFI_NG */ 555 IEEE80211_IOCTL_GETSTASTATS, 556#endif /* MADWIFI_NG */ 557 &stats, sizeof(stats))) { 558 wpa_printf(MSG_DEBUG, "%s: Failed to fetch STA stats (addr " 559 MACSTR ")", __func__, MAC2STR(addr)); 560 if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) { 561 memcpy(data, &drv->acct_data, sizeof(*data)); 562 return 0; 563 } 564 565 printf("Failed to get station stats information element.\n"); 566 return -1; 567 } 568 569 data->rx_packets = stats.is_stats.ns_rx_data; 570 data->rx_bytes = stats.is_stats.ns_rx_bytes; 571 data->tx_packets = stats.is_stats.ns_tx_data; 572 data->tx_bytes = stats.is_stats.ns_tx_bytes; 573 return 0; 574 575#else /* MADWIFI_BSD */ 576 577 char buf[1024], line[128], *pos; 578 FILE *f; 579 unsigned long val; 580 581 memset(data, 0, sizeof(*data)); 582 snprintf(buf, sizeof(buf), "/proc/net/madwifi/%s/" MACSTR, 583 drv->iface, MAC2STR(addr)); 584 585 f = fopen(buf, "r"); 586 if (!f) { 587 if (memcmp(addr, drv->acct_mac, ETH_ALEN) != 0) 588 return -1; 589 memcpy(data, &drv->acct_data, sizeof(*data)); 590 return 0; 591 } 592 /* Need to read proc file with in one piece, so use large enough 593 * buffer. */ 594 setbuffer(f, buf, sizeof(buf)); 595 596 while (fgets(line, sizeof(line), f)) { 597 pos = strchr(line, '='); 598 if (!pos) 599 continue; 600 *pos++ = '\0'; 601 val = strtoul(pos, NULL, 10); 602 if (strcmp(line, "rx_packets") == 0) 603 data->rx_packets = val; 604 else if (strcmp(line, "tx_packets") == 0) 605 data->tx_packets = val; 606 else if (strcmp(line, "rx_bytes") == 0) 607 data->rx_bytes = val; 608 else if (strcmp(line, "tx_bytes") == 0) 609 data->tx_bytes = val; 610 } 611 612 fclose(f); 613 614 return 0; 615#endif /* MADWIFI_BSD */ 616} 617 618 619static int 620madwifi_sta_clear_stats(void *priv, const u8 *addr) 621{ 622#if defined(MADWIFI_BSD) && defined(IEEE80211_MLME_CLEAR_STATS) 623 struct madwifi_driver_data *drv = priv; 624 struct ieee80211req_mlme mlme; 625 int ret; 626 627 wpa_printf(MSG_DEBUG, "%s: addr=%s", __func__, ether_sprintf(addr)); 628 629 mlme.im_op = IEEE80211_MLME_CLEAR_STATS; 630 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); 631 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, 632 sizeof(mlme)); 633 if (ret < 0) { 634 wpa_printf(MSG_DEBUG, "%s: Failed to clear STA stats (addr " 635 MACSTR ")", __func__, MAC2STR(addr)); 636 } 637 638 return ret; 639#else /* MADWIFI_BSD && IEEE80211_MLME_CLEAR_STATS */ 640 return 0; /* FIX */ 641#endif /* MADWIFI_BSD && IEEE80211_MLME_CLEAR_STATS */ 642} 643 644 645static int 646madwifi_set_opt_ie(void *priv, const u8 *ie, size_t ie_len) 647{ 648 /* 649 * Do nothing; we setup parameters at startup that define the 650 * contents of the beacon information element. 651 */ 652 return 0; 653} 654 655static int 656madwifi_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, 657 int reason_code) 658{ 659 struct madwifi_driver_data *drv = priv; 660 struct ieee80211req_mlme mlme; 661 int ret; 662 663 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d", 664 __func__, ether_sprintf(addr), reason_code); 665 666 mlme.im_op = IEEE80211_MLME_DEAUTH; 667 mlme.im_reason = reason_code; 668 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); 669 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme)); 670 if (ret < 0) { 671 wpa_printf(MSG_DEBUG, "%s: Failed to deauth STA (addr " MACSTR 672 " reason %d)", 673 __func__, MAC2STR(addr), reason_code); 674 } 675 676 return ret; 677} 678 679static int 680madwifi_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr, 681 int reason_code) 682{ 683 struct madwifi_driver_data *drv = priv; 684 struct ieee80211req_mlme mlme; 685 int ret; 686 687 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d", 688 __func__, ether_sprintf(addr), reason_code); 689 690 mlme.im_op = IEEE80211_MLME_DISASSOC; 691 mlme.im_reason = reason_code; 692 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); 693 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme)); 694 if (ret < 0) { 695 wpa_printf(MSG_DEBUG, "%s: Failed to disassoc STA (addr " 696 MACSTR " reason %d)", 697 __func__, MAC2STR(addr), reason_code); 698 } 699 700 return ret; 701} 702 703#ifdef CONFIG_WPS 704#ifdef IEEE80211_IOCTL_FILTERFRAME 705static void madwifi_raw_receive(void *ctx, const u8 *src_addr, const u8 *buf, 706 size_t len) 707{ 708 struct madwifi_driver_data *drv = ctx; 709 const struct ieee80211_mgmt *mgmt; 710 u16 fc; 711 union wpa_event_data event; 712 713 /* Send Probe Request information to WPS processing */ 714 715 if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req)) 716 return; 717 mgmt = (const struct ieee80211_mgmt *) buf; 718 719 fc = le_to_host16(mgmt->frame_control); 720 if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT || 721 WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_PROBE_REQ) 722 return; 723 724 os_memset(&event, 0, sizeof(event)); 725 event.rx_probe_req.sa = mgmt->sa; 726 event.rx_probe_req.da = mgmt->da; 727 event.rx_probe_req.bssid = mgmt->bssid; 728 event.rx_probe_req.ie = mgmt->u.probe_req.variable; 729 event.rx_probe_req.ie_len = 730 len - (IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req)); 731 wpa_supplicant_event(drv->hapd, EVENT_RX_PROBE_REQ, &event); 732} 733#endif /* IEEE80211_IOCTL_FILTERFRAME */ 734#endif /* CONFIG_WPS */ 735 736static int madwifi_receive_probe_req(struct madwifi_driver_data *drv) 737{ 738 int ret = 0; 739#ifdef CONFIG_WPS 740#ifdef IEEE80211_IOCTL_FILTERFRAME 741 struct ieee80211req_set_filter filt; 742 743 wpa_printf(MSG_DEBUG, "%s Enter", __func__); 744 filt.app_filterype = IEEE80211_FILTER_TYPE_PROBE_REQ; 745 746 ret = set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt, 747 sizeof(struct ieee80211req_set_filter)); 748 if (ret) 749 return ret; 750 751 drv->sock_raw = l2_packet_init(drv->iface, NULL, ETH_P_80211_RAW, 752 madwifi_raw_receive, drv, 1); 753 if (drv->sock_raw == NULL) 754 return -1; 755#endif /* IEEE80211_IOCTL_FILTERFRAME */ 756#endif /* CONFIG_WPS */ 757 return ret; 758} 759 760#ifdef CONFIG_WPS 761static int 762madwifi_set_wps_ie(void *priv, const u8 *ie, size_t len, u32 frametype) 763{ 764 struct madwifi_driver_data *drv = priv; 765 u8 buf[256]; 766 struct ieee80211req_getset_appiebuf *beac_ie; 767 768 wpa_printf(MSG_DEBUG, "%s buflen = %lu", __func__, 769 (unsigned long) len); 770 771 beac_ie = (struct ieee80211req_getset_appiebuf *) buf; 772 beac_ie->app_frmtype = frametype; 773 beac_ie->app_buflen = len; 774 memcpy(&(beac_ie->app_buf[0]), ie, len); 775 776 return set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, beac_ie, 777 sizeof(struct ieee80211req_getset_appiebuf) + len); 778} 779 780static int 781madwifi_set_ap_wps_ie(void *priv, const struct wpabuf *beacon, 782 const struct wpabuf *proberesp, 783 const struct wpabuf *assocresp) 784{ 785 if (madwifi_set_wps_ie(priv, beacon ? wpabuf_head(beacon) : NULL, 786 beacon ? wpabuf_len(beacon) : 0, 787 IEEE80211_APPIE_FRAME_BEACON) < 0) 788 return -1; 789 return madwifi_set_wps_ie(priv, 790 proberesp ? wpabuf_head(proberesp) : NULL, 791 proberesp ? wpabuf_len(proberesp) : 0, 792 IEEE80211_APPIE_FRAME_PROBE_RESP); 793} 794#else /* CONFIG_WPS */ 795#define madwifi_set_ap_wps_ie NULL 796#endif /* CONFIG_WPS */ 797 798static int madwifi_set_freq(void *priv, struct hostapd_freq_params *freq) 799{ 800 struct madwifi_driver_data *drv = priv; 801 struct iwreq iwr; 802 803 os_memset(&iwr, 0, sizeof(iwr)); 804 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 805 iwr.u.freq.m = freq->channel; 806 iwr.u.freq.e = 0; 807 808 if (ioctl(drv->ioctl_sock, SIOCSIWFREQ, &iwr) < 0) { 809 perror("ioctl[SIOCSIWFREQ]"); 810 return -1; 811 } 812 813 return 0; 814} 815 816static void 817madwifi_new_sta(struct madwifi_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN]) 818{ 819 struct hostapd_data *hapd = drv->hapd; 820 struct ieee80211req_wpaie ie; 821 int ielen = 0; 822 u8 *iebuf = NULL; 823 824 /* 825 * Fetch negotiated WPA/RSN parameters from the system. 826 */ 827 memset(&ie, 0, sizeof(ie)); 828 memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN); 829 if (set80211priv(drv, IEEE80211_IOCTL_GETWPAIE, &ie, sizeof(ie))) { 830 wpa_printf(MSG_DEBUG, "%s: Failed to get WPA/RSN IE", 831 __func__); 832 goto no_ie; 833 } 834 wpa_hexdump(MSG_MSGDUMP, "madwifi req WPA IE", 835 ie.wpa_ie, IEEE80211_MAX_OPT_IE); 836 iebuf = ie.wpa_ie; 837 /* madwifi seems to return some random data if WPA/RSN IE is not set. 838 * Assume the IE was not included if the IE type is unknown. */ 839 if (iebuf[0] != WLAN_EID_VENDOR_SPECIFIC) 840 iebuf[1] = 0; 841#ifdef MADWIFI_NG 842 wpa_hexdump(MSG_MSGDUMP, "madwifi req RSN IE", 843 ie.rsn_ie, IEEE80211_MAX_OPT_IE); 844 if (iebuf[1] == 0 && ie.rsn_ie[1] > 0) { 845 /* madwifi-ng svn #1453 added rsn_ie. Use it, if wpa_ie was not 846 * set. This is needed for WPA2. */ 847 iebuf = ie.rsn_ie; 848 if (iebuf[0] != WLAN_EID_RSN) 849 iebuf[1] = 0; 850 } 851#endif /* MADWIFI_NG */ 852 853 ielen = iebuf[1]; 854 if (ielen == 0) 855 iebuf = NULL; 856 else 857 ielen += 2; 858 859no_ie: 860 drv_event_assoc(hapd, addr, iebuf, ielen, 0); 861 862 if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) { 863 /* Cached accounting data is not valid anymore. */ 864 memset(drv->acct_mac, 0, ETH_ALEN); 865 memset(&drv->acct_data, 0, sizeof(drv->acct_data)); 866 } 867} 868 869static void 870madwifi_wireless_event_wireless_custom(struct madwifi_driver_data *drv, 871 char *custom) 872{ 873 wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom); 874 875 if (strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) { 876 char *pos; 877 u8 addr[ETH_ALEN]; 878 pos = strstr(custom, "addr="); 879 if (pos == NULL) { 880 wpa_printf(MSG_DEBUG, 881 "MLME-MICHAELMICFAILURE.indication " 882 "without sender address ignored"); 883 return; 884 } 885 pos += 5; 886 if (hwaddr_aton(pos, addr) == 0) { 887 union wpa_event_data data; 888 os_memset(&data, 0, sizeof(data)); 889 data.michael_mic_failure.unicast = 1; 890 data.michael_mic_failure.src = addr; 891 wpa_supplicant_event(drv->hapd, 892 EVENT_MICHAEL_MIC_FAILURE, &data); 893 } else { 894 wpa_printf(MSG_DEBUG, 895 "MLME-MICHAELMICFAILURE.indication " 896 "with invalid MAC address"); 897 } 898 } else if (strncmp(custom, "STA-TRAFFIC-STAT", 16) == 0) { 899 char *key, *value; 900 u32 val; 901 key = custom; 902 while ((key = strchr(key, '\n')) != NULL) { 903 key++; 904 value = strchr(key, '='); 905 if (value == NULL) 906 continue; 907 *value++ = '\0'; 908 val = strtoul(value, NULL, 10); 909 if (strcmp(key, "mac") == 0) 910 hwaddr_aton(value, drv->acct_mac); 911 else if (strcmp(key, "rx_packets") == 0) 912 drv->acct_data.rx_packets = val; 913 else if (strcmp(key, "tx_packets") == 0) 914 drv->acct_data.tx_packets = val; 915 else if (strcmp(key, "rx_bytes") == 0) 916 drv->acct_data.rx_bytes = val; 917 else if (strcmp(key, "tx_bytes") == 0) 918 drv->acct_data.tx_bytes = val; 919 key = value; 920 } 921 } 922} 923 924static void 925madwifi_wireless_event_wireless(struct madwifi_driver_data *drv, 926 char *data, int len) 927{ 928 struct iw_event iwe_buf, *iwe = &iwe_buf; 929 char *pos, *end, *custom, *buf; 930 931 pos = data; 932 end = data + len; 933 934 while (pos + IW_EV_LCP_LEN <= end) { 935 /* Event data may be unaligned, so make a local, aligned copy 936 * before processing. */ 937 memcpy(&iwe_buf, pos, IW_EV_LCP_LEN); 938 wpa_printf(MSG_MSGDUMP, "Wireless event: cmd=0x%x len=%d", 939 iwe->cmd, iwe->len); 940 if (iwe->len <= IW_EV_LCP_LEN) 941 return; 942 943 custom = pos + IW_EV_POINT_LEN; 944 if (drv->we_version > 18 && 945 (iwe->cmd == IWEVMICHAELMICFAILURE || 946 iwe->cmd == IWEVCUSTOM)) { 947 /* WE-19 removed the pointer from struct iw_point */ 948 char *dpos = (char *) &iwe_buf.u.data.length; 949 int dlen = dpos - (char *) &iwe_buf; 950 memcpy(dpos, pos + IW_EV_LCP_LEN, 951 sizeof(struct iw_event) - dlen); 952 } else { 953 memcpy(&iwe_buf, pos, sizeof(struct iw_event)); 954 custom += IW_EV_POINT_OFF; 955 } 956 957 switch (iwe->cmd) { 958 case IWEVEXPIRED: 959 drv_event_disassoc(drv->hapd, 960 (u8 *) iwe->u.addr.sa_data); 961 break; 962 case IWEVREGISTERED: 963 madwifi_new_sta(drv, (u8 *) iwe->u.addr.sa_data); 964 break; 965 case IWEVCUSTOM: 966 if (custom + iwe->u.data.length > end) 967 return; 968 buf = malloc(iwe->u.data.length + 1); 969 if (buf == NULL) 970 return; /* XXX */ 971 memcpy(buf, custom, iwe->u.data.length); 972 buf[iwe->u.data.length] = '\0'; 973 madwifi_wireless_event_wireless_custom(drv, buf); 974 free(buf); 975 break; 976 } 977 978 pos += iwe->len; 979 } 980} 981 982 983static void 984madwifi_wireless_event_rtm_newlink(void *ctx, struct ifinfomsg *ifi, 985 u8 *buf, size_t len) 986{ 987 struct madwifi_driver_data *drv = ctx; 988 int attrlen, rta_len; 989 struct rtattr *attr; 990 991 if (ifi->ifi_index != drv->ifindex) 992 return; 993 994 attrlen = len; 995 attr = (struct rtattr *) buf; 996 997 rta_len = RTA_ALIGN(sizeof(struct rtattr)); 998 while (RTA_OK(attr, attrlen)) { 999 if (attr->rta_type == IFLA_WIRELESS) { 1000 madwifi_wireless_event_wireless( 1001 drv, ((char *) attr) + rta_len, 1002 attr->rta_len - rta_len); 1003 } 1004 attr = RTA_NEXT(attr, attrlen); 1005 } 1006} 1007 1008 1009static int 1010madwifi_get_we_version(struct madwifi_driver_data *drv) 1011{ 1012 struct iw_range *range; 1013 struct iwreq iwr; 1014 int minlen; 1015 size_t buflen; 1016 1017 drv->we_version = 0; 1018 1019 /* 1020 * Use larger buffer than struct iw_range in order to allow the 1021 * structure to grow in the future. 1022 */ 1023 buflen = sizeof(struct iw_range) + 500; 1024 range = os_zalloc(buflen); 1025 if (range == NULL) 1026 return -1; 1027 1028 memset(&iwr, 0, sizeof(iwr)); 1029 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1030 iwr.u.data.pointer = (caddr_t) range; 1031 iwr.u.data.length = buflen; 1032 1033 minlen = ((char *) &range->enc_capa) - (char *) range + 1034 sizeof(range->enc_capa); 1035 1036 if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) { 1037 perror("ioctl[SIOCGIWRANGE]"); 1038 free(range); 1039 return -1; 1040 } else if (iwr.u.data.length >= minlen && 1041 range->we_version_compiled >= 18) { 1042 wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d " 1043 "WE(source)=%d enc_capa=0x%x", 1044 range->we_version_compiled, 1045 range->we_version_source, 1046 range->enc_capa); 1047 drv->we_version = range->we_version_compiled; 1048 } 1049 1050 free(range); 1051 return 0; 1052} 1053 1054 1055static int 1056madwifi_wireless_event_init(struct madwifi_driver_data *drv) 1057{ 1058 struct netlink_config *cfg; 1059 1060 madwifi_get_we_version(drv); 1061 1062 cfg = os_zalloc(sizeof(*cfg)); 1063 if (cfg == NULL) 1064 return -1; 1065 cfg->ctx = drv; 1066 cfg->newlink_cb = madwifi_wireless_event_rtm_newlink; 1067 drv->netlink = netlink_init(cfg); 1068 if (drv->netlink == NULL) { 1069 os_free(cfg); 1070 return -1; 1071 } 1072 1073 return 0; 1074} 1075 1076 1077static int 1078madwifi_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len, 1079 int encrypt, const u8 *own_addr, u32 flags) 1080{ 1081 struct madwifi_driver_data *drv = priv; 1082 unsigned char buf[3000]; 1083 unsigned char *bp = buf; 1084 struct l2_ethhdr *eth; 1085 size_t len; 1086 int status; 1087 1088 /* 1089 * Prepend the Ethernet header. If the caller left us 1090 * space at the front we could just insert it but since 1091 * we don't know we copy to a local buffer. Given the frequency 1092 * and size of frames this probably doesn't matter. 1093 */ 1094 len = data_len + sizeof(struct l2_ethhdr); 1095 if (len > sizeof(buf)) { 1096 bp = malloc(len); 1097 if (bp == NULL) { 1098 printf("EAPOL frame discarded, cannot malloc temp " 1099 "buffer of size %lu!\n", (unsigned long) len); 1100 return -1; 1101 } 1102 } 1103 eth = (struct l2_ethhdr *) bp; 1104 memcpy(eth->h_dest, addr, ETH_ALEN); 1105 memcpy(eth->h_source, own_addr, ETH_ALEN); 1106 eth->h_proto = host_to_be16(ETH_P_EAPOL); 1107 memcpy(eth+1, data, data_len); 1108 1109 wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len); 1110 1111 status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len); 1112 1113 if (bp != buf) 1114 free(bp); 1115 return status; 1116} 1117 1118static void 1119handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len) 1120{ 1121 struct madwifi_driver_data *drv = ctx; 1122 drv_event_eapol_rx(drv->hapd, src_addr, buf + sizeof(struct l2_ethhdr), 1123 len - sizeof(struct l2_ethhdr)); 1124} 1125 1126static void * 1127madwifi_init(struct hostapd_data *hapd, struct wpa_init_params *params) 1128{ 1129 struct madwifi_driver_data *drv; 1130 struct ifreq ifr; 1131 struct iwreq iwr; 1132 char brname[IFNAMSIZ]; 1133 1134 drv = os_zalloc(sizeof(struct madwifi_driver_data)); 1135 if (drv == NULL) { 1136 printf("Could not allocate memory for madwifi driver data\n"); 1137 return NULL; 1138 } 1139 1140 drv->hapd = hapd; 1141 drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0); 1142 if (drv->ioctl_sock < 0) { 1143 perror("socket[PF_INET,SOCK_DGRAM]"); 1144 goto bad; 1145 } 1146 memcpy(drv->iface, params->ifname, sizeof(drv->iface)); 1147 1148 memset(&ifr, 0, sizeof(ifr)); 1149 os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name)); 1150 if (ioctl(drv->ioctl_sock, SIOCGIFINDEX, &ifr) != 0) { 1151 perror("ioctl(SIOCGIFINDEX)"); 1152 goto bad; 1153 } 1154 drv->ifindex = ifr.ifr_ifindex; 1155 1156 drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL, 1157 handle_read, drv, 1); 1158 if (drv->sock_xmit == NULL) 1159 goto bad; 1160 if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr)) 1161 goto bad; 1162 if (params->bridge[0]) { 1163 wpa_printf(MSG_DEBUG, "Configure bridge %s for EAPOL traffic.", 1164 params->bridge[0]); 1165 drv->sock_recv = l2_packet_init(params->bridge[0], NULL, 1166 ETH_P_EAPOL, handle_read, drv, 1167 1); 1168 if (drv->sock_recv == NULL) 1169 goto bad; 1170 } else if (linux_br_get(brname, drv->iface) == 0) { 1171 wpa_printf(MSG_DEBUG, "Interface in bridge %s; configure for " 1172 "EAPOL receive", brname); 1173 drv->sock_recv = l2_packet_init(brname, NULL, ETH_P_EAPOL, 1174 handle_read, drv, 1); 1175 if (drv->sock_recv == NULL) 1176 goto bad; 1177 } else 1178 drv->sock_recv = drv->sock_xmit; 1179 1180 memset(&iwr, 0, sizeof(iwr)); 1181 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1182 1183 iwr.u.mode = IW_MODE_MASTER; 1184 1185 if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) < 0) { 1186 perror("ioctl[SIOCSIWMODE]"); 1187 printf("Could not set interface to master mode!\n"); 1188 goto bad; 1189 } 1190 1191 /* mark down during setup */ 1192 linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0); 1193 madwifi_set_privacy(drv, 0); /* default to no privacy */ 1194 1195 madwifi_receive_probe_req(drv); 1196 1197 if (madwifi_wireless_event_init(drv)) 1198 goto bad; 1199 1200 return drv; 1201bad: 1202 if (drv->sock_xmit != NULL) 1203 l2_packet_deinit(drv->sock_xmit); 1204 if (drv->ioctl_sock >= 0) 1205 close(drv->ioctl_sock); 1206 if (drv != NULL) 1207 free(drv); 1208 return NULL; 1209} 1210 1211 1212static void 1213madwifi_deinit(void *priv) 1214{ 1215 struct madwifi_driver_data *drv = priv; 1216 1217 netlink_deinit(drv->netlink); 1218 (void) linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0); 1219 if (drv->ioctl_sock >= 0) 1220 close(drv->ioctl_sock); 1221 if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit) 1222 l2_packet_deinit(drv->sock_recv); 1223 if (drv->sock_xmit != NULL) 1224 l2_packet_deinit(drv->sock_xmit); 1225 if (drv->sock_raw) 1226 l2_packet_deinit(drv->sock_raw); 1227 free(drv); 1228} 1229 1230static int 1231madwifi_set_ssid(void *priv, const u8 *buf, int len) 1232{ 1233 struct madwifi_driver_data *drv = priv; 1234 struct iwreq iwr; 1235 1236 memset(&iwr, 0, sizeof(iwr)); 1237 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1238 iwr.u.essid.flags = 1; /* SSID active */ 1239 iwr.u.essid.pointer = (caddr_t) buf; 1240 iwr.u.essid.length = len + 1; 1241 1242 if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) { 1243 perror("ioctl[SIOCSIWESSID]"); 1244 printf("len=%d\n", len); 1245 return -1; 1246 } 1247 return 0; 1248} 1249 1250static int 1251madwifi_get_ssid(void *priv, u8 *buf, int len) 1252{ 1253 struct madwifi_driver_data *drv = priv; 1254 struct iwreq iwr; 1255 int ret = 0; 1256 1257 memset(&iwr, 0, sizeof(iwr)); 1258 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1259 iwr.u.essid.pointer = (caddr_t) buf; 1260 iwr.u.essid.length = len; 1261 1262 if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) { 1263 perror("ioctl[SIOCGIWESSID]"); 1264 ret = -1; 1265 } else 1266 ret = iwr.u.essid.length; 1267 1268 return ret; 1269} 1270 1271static int 1272madwifi_set_countermeasures(void *priv, int enabled) 1273{ 1274 struct madwifi_driver_data *drv = priv; 1275 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled); 1276 return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled); 1277} 1278 1279static int 1280madwifi_commit(void *priv) 1281{ 1282 struct madwifi_driver_data *drv = priv; 1283 return linux_set_iface_flags(drv->ioctl_sock, drv->iface, 1); 1284} 1285 1286 1287const struct wpa_driver_ops wpa_driver_madwifi_ops = { 1288 .name = "madwifi", 1289 .desc = "MADWIFI 802.11 support (Atheros, etc.)", 1290 .set_key = wpa_driver_madwifi_set_key, 1291 .hapd_init = madwifi_init, 1292 .hapd_deinit = madwifi_deinit, 1293 .set_ieee8021x = madwifi_set_ieee8021x, 1294 .set_privacy = madwifi_set_privacy, 1295 .get_seqnum = madwifi_get_seqnum, 1296 .flush = madwifi_flush, 1297 .set_generic_elem = madwifi_set_opt_ie, 1298 .sta_set_flags = madwifi_sta_set_flags, 1299 .read_sta_data = madwifi_read_sta_driver_data, 1300 .hapd_send_eapol = madwifi_send_eapol, 1301 .sta_disassoc = madwifi_sta_disassoc, 1302 .sta_deauth = madwifi_sta_deauth, 1303 .hapd_set_ssid = madwifi_set_ssid, 1304 .hapd_get_ssid = madwifi_get_ssid, 1305 .hapd_set_countermeasures = madwifi_set_countermeasures, 1306 .sta_clear_stats = madwifi_sta_clear_stats, 1307 .commit = madwifi_commit, 1308 .set_ap_wps_ie = madwifi_set_ap_wps_ie, 1309 .set_freq = madwifi_set_freq, 1310}; 1311