1 /* 2 * hostapd / Driver interaction with Atheros driver 3 * Copyright (c) 2004, Sam Leffler <sam@errno.com> 4 * Copyright (c) 2004, Video54 Technologies 5 * Copyright (c) 2005-2007, Jouni Malinen <j@w1.fi> 6 * Copyright (c) 2009, Atheros Communications 7 * 8 * This software may be distributed under the terms of the BSD license. 9 * See README for more details. 10 */ 11 12 #include "includes.h" 13 #include <net/if.h> 14 #include <sys/ioctl.h> 15 16 #include "common.h" 17 #include "eloop.h" 18 #include "common/ieee802_11_defs.h" 19 #include "l2_packet/l2_packet.h" 20 #include "p2p/p2p.h" 21 22 #include "common.h" 23 #ifndef _BYTE_ORDER 24 #ifdef WORDS_BIGENDIAN 25 #define _BYTE_ORDER _BIG_ENDIAN 26 #else 27 #define _BYTE_ORDER _LITTLE_ENDIAN 28 #endif 29 #endif /* _BYTE_ORDER */ 30 31 /* 32 * Note, the ATH_WPS_IE setting must match with the driver build.. If the 33 * driver does not include this, the IEEE80211_IOCTL_GETWPAIE ioctl will fail. 34 */ 35 #define ATH_WPS_IE 36 37 #include "ieee80211_external.h" 38 39 40 #ifdef CONFIG_WPS 41 #include <netpacket/packet.h> 42 #endif /* CONFIG_WPS */ 43 44 #ifndef ETH_P_80211_RAW 45 #define ETH_P_80211_RAW 0x0019 46 #endif 47 48 #include "linux_wext.h" 49 50 #include "driver.h" 51 #include "eloop.h" 52 #include "priv_netlink.h" 53 #include "l2_packet/l2_packet.h" 54 #include "common/ieee802_11_defs.h" 55 #include "netlink.h" 56 #include "linux_ioctl.h" 57 58 59 struct atheros_driver_data { 60 struct hostapd_data *hapd; /* back pointer */ 61 62 char iface[IFNAMSIZ + 1]; 63 int ifindex; 64 struct l2_packet_data *sock_xmit; /* raw packet xmit socket */ 65 struct l2_packet_data *sock_recv; /* raw packet recv socket */ 66 int ioctl_sock; /* socket for ioctl() use */ 67 struct netlink_data *netlink; 68 int we_version; 69 u8 acct_mac[ETH_ALEN]; 70 struct hostap_sta_driver_data acct_data; 71 72 struct l2_packet_data *sock_raw; /* raw 802.11 management frames */ 73 struct wpabuf *wpa_ie; 74 struct wpabuf *wps_beacon_ie; 75 struct wpabuf *wps_probe_resp_ie; 76 u8 own_addr[ETH_ALEN]; 77 }; 78 79 static int atheros_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, 80 int reason_code); 81 static int atheros_set_privacy(void *priv, int enabled); 82 83 static const char * athr_get_ioctl_name(int op) 84 { 85 switch (op) { 86 case IEEE80211_IOCTL_SETPARAM: 87 return "SETPARAM"; 88 case IEEE80211_IOCTL_GETPARAM: 89 return "GETPARAM"; 90 case IEEE80211_IOCTL_SETKEY: 91 return "SETKEY"; 92 case IEEE80211_IOCTL_SETWMMPARAMS: 93 return "SETWMMPARAMS"; 94 case IEEE80211_IOCTL_DELKEY: 95 return "DELKEY"; 96 case IEEE80211_IOCTL_GETWMMPARAMS: 97 return "GETWMMPARAMS"; 98 case IEEE80211_IOCTL_SETMLME: 99 return "SETMLME"; 100 case IEEE80211_IOCTL_GETCHANINFO: 101 return "GETCHANINFO"; 102 case IEEE80211_IOCTL_SETOPTIE: 103 return "SETOPTIE"; 104 case IEEE80211_IOCTL_GETOPTIE: 105 return "GETOPTIE"; 106 case IEEE80211_IOCTL_ADDMAC: 107 return "ADDMAC"; 108 case IEEE80211_IOCTL_DELMAC: 109 return "DELMAC"; 110 case IEEE80211_IOCTL_GETCHANLIST: 111 return "GETCHANLIST"; 112 case IEEE80211_IOCTL_SETCHANLIST: 113 return "SETCHANLIST"; 114 case IEEE80211_IOCTL_KICKMAC: 115 return "KICKMAC"; 116 case IEEE80211_IOCTL_CHANSWITCH: 117 return "CHANSWITCH"; 118 case IEEE80211_IOCTL_GETMODE: 119 return "GETMODE"; 120 case IEEE80211_IOCTL_SETMODE: 121 return "SETMODE"; 122 case IEEE80211_IOCTL_GET_APPIEBUF: 123 return "GET_APPIEBUF"; 124 case IEEE80211_IOCTL_SET_APPIEBUF: 125 return "SET_APPIEBUF"; 126 case IEEE80211_IOCTL_SET_ACPARAMS: 127 return "SET_ACPARAMS"; 128 case IEEE80211_IOCTL_FILTERFRAME: 129 return "FILTERFRAME"; 130 case IEEE80211_IOCTL_SET_RTPARAMS: 131 return "SET_RTPARAMS"; 132 case IEEE80211_IOCTL_SET_MEDENYENTRY: 133 return "SET_MEDENYENTRY"; 134 case IEEE80211_IOCTL_GET_MACADDR: 135 return "GET_MACADDR"; 136 case IEEE80211_IOCTL_SET_HBRPARAMS: 137 return "SET_HBRPARAMS"; 138 case IEEE80211_IOCTL_SET_RXTIMEOUT: 139 return "SET_RXTIMEOUT"; 140 case IEEE80211_IOCTL_STA_STATS: 141 return "STA_STATS"; 142 case IEEE80211_IOCTL_GETWPAIE: 143 return "GETWPAIE"; 144 default: 145 return "??"; 146 } 147 } 148 149 150 static const char * athr_get_param_name(int op) 151 { 152 switch (op) { 153 case IEEE80211_IOC_MCASTCIPHER: 154 return "MCASTCIPHER"; 155 case IEEE80211_PARAM_MCASTKEYLEN: 156 return "MCASTKEYLEN"; 157 case IEEE80211_PARAM_UCASTCIPHERS: 158 return "UCASTCIPHERS"; 159 case IEEE80211_PARAM_KEYMGTALGS: 160 return "KEYMGTALGS"; 161 case IEEE80211_PARAM_RSNCAPS: 162 return "RSNCAPS"; 163 case IEEE80211_PARAM_WPA: 164 return "WPA"; 165 case IEEE80211_PARAM_AUTHMODE: 166 return "AUTHMODE"; 167 case IEEE80211_PARAM_PRIVACY: 168 return "PRIVACY"; 169 case IEEE80211_PARAM_COUNTERMEASURES: 170 return "COUNTERMEASURES"; 171 default: 172 return "??"; 173 } 174 } 175 176 177 static int 178 set80211priv(struct atheros_driver_data *drv, int op, void *data, int len) 179 { 180 struct iwreq iwr; 181 int do_inline = len < IFNAMSIZ; 182 183 /* Certain ioctls must use the non-inlined method */ 184 if (op == IEEE80211_IOCTL_SET_APPIEBUF || 185 op == IEEE80211_IOCTL_FILTERFRAME) 186 do_inline = 0; 187 188 memset(&iwr, 0, sizeof(iwr)); 189 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 190 if (do_inline) { 191 /* 192 * Argument data fits inline; put it there. 193 */ 194 memcpy(iwr.u.name, data, len); 195 } else { 196 /* 197 * Argument data too big for inline transfer; setup a 198 * parameter block instead; the kernel will transfer 199 * the data for the driver. 200 */ 201 iwr.u.data.pointer = data; 202 iwr.u.data.length = len; 203 } 204 205 if (ioctl(drv->ioctl_sock, op, &iwr) < 0) { 206 wpa_printf(MSG_DEBUG, "atheros: %s: %s: ioctl op=0x%x " 207 "(%s) len=%d failed: %d (%s)", 208 __func__, drv->iface, op, 209 athr_get_ioctl_name(op), 210 len, errno, strerror(errno)); 211 return -1; 212 } 213 return 0; 214 } 215 216 static int 217 set80211param(struct atheros_driver_data *drv, int op, int arg) 218 { 219 struct iwreq iwr; 220 221 memset(&iwr, 0, sizeof(iwr)); 222 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 223 iwr.u.mode = op; 224 memcpy(iwr.u.name+sizeof(__u32), &arg, sizeof(arg)); 225 226 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) { 227 perror("ioctl[IEEE80211_IOCTL_SETPARAM]"); 228 wpa_printf(MSG_DEBUG, "%s: %s: Failed to set parameter (op %d " 229 "(%s) arg %d)", __func__, drv->iface, op, 230 athr_get_param_name(op), arg); 231 return -1; 232 } 233 return 0; 234 } 235 236 #ifndef CONFIG_NO_STDOUT_DEBUG 237 static const char * 238 ether_sprintf(const u8 *addr) 239 { 240 static char buf[sizeof(MACSTR)]; 241 242 if (addr != NULL) 243 snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr)); 244 else 245 snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0); 246 return buf; 247 } 248 #endif /* CONFIG_NO_STDOUT_DEBUG */ 249 250 /* 251 * Configure WPA parameters. 252 */ 253 static int 254 atheros_configure_wpa(struct atheros_driver_data *drv, 255 struct wpa_bss_params *params) 256 { 257 int v; 258 259 switch (params->wpa_group) { 260 case WPA_CIPHER_CCMP: 261 v = IEEE80211_CIPHER_AES_CCM; 262 break; 263 case WPA_CIPHER_TKIP: 264 v = IEEE80211_CIPHER_TKIP; 265 break; 266 case WPA_CIPHER_WEP104: 267 v = IEEE80211_CIPHER_WEP; 268 break; 269 case WPA_CIPHER_WEP40: 270 v = IEEE80211_CIPHER_WEP; 271 break; 272 case WPA_CIPHER_NONE: 273 v = IEEE80211_CIPHER_NONE; 274 break; 275 default: 276 wpa_printf(MSG_ERROR, "Unknown group key cipher %u", 277 params->wpa_group); 278 return -1; 279 } 280 wpa_printf(MSG_DEBUG, "%s: group key cipher=%d", __func__, v); 281 if (set80211param(drv, IEEE80211_PARAM_MCASTCIPHER, v)) { 282 printf("Unable to set group key cipher to %u\n", v); 283 return -1; 284 } 285 if (v == IEEE80211_CIPHER_WEP) { 286 /* key length is done only for specific ciphers */ 287 v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5); 288 if (set80211param(drv, IEEE80211_PARAM_MCASTKEYLEN, v)) { 289 printf("Unable to set group key length to %u\n", v); 290 return -1; 291 } 292 } 293 294 v = 0; 295 if (params->wpa_pairwise & WPA_CIPHER_CCMP) 296 v |= 1<<IEEE80211_CIPHER_AES_CCM; 297 if (params->wpa_pairwise & WPA_CIPHER_TKIP) 298 v |= 1<<IEEE80211_CIPHER_TKIP; 299 if (params->wpa_pairwise & WPA_CIPHER_NONE) 300 v |= 1<<IEEE80211_CIPHER_NONE; 301 wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v); 302 if (set80211param(drv, IEEE80211_PARAM_UCASTCIPHERS, v)) { 303 printf("Unable to set pairwise key ciphers to 0x%x\n", v); 304 return -1; 305 } 306 307 wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x", 308 __func__, params->wpa_key_mgmt); 309 if (set80211param(drv, IEEE80211_PARAM_KEYMGTALGS, 310 params->wpa_key_mgmt)) { 311 printf("Unable to set key management algorithms to 0x%x\n", 312 params->wpa_key_mgmt); 313 return -1; 314 } 315 316 v = 0; 317 if (params->rsn_preauth) 318 v |= BIT(0); 319 #ifdef CONFIG_IEEE80211W 320 if (params->ieee80211w != NO_MGMT_FRAME_PROTECTION) { 321 v |= BIT(7); 322 if (params->ieee80211w == MGMT_FRAME_PROTECTION_REQUIRED) 323 v |= BIT(6); 324 } 325 #endif /* CONFIG_IEEE80211W */ 326 327 wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x", __func__, v); 328 if (set80211param(drv, IEEE80211_PARAM_RSNCAPS, v)) { 329 printf("Unable to set RSN capabilities to 0x%x\n", v); 330 return -1; 331 } 332 333 wpa_printf(MSG_DEBUG, "%s: enable WPA=0x%x", __func__, params->wpa); 334 if (set80211param(drv, IEEE80211_PARAM_WPA, params->wpa)) { 335 printf("Unable to set WPA to %u\n", params->wpa); 336 return -1; 337 } 338 return 0; 339 } 340 341 static int 342 atheros_set_ieee8021x(void *priv, struct wpa_bss_params *params) 343 { 344 struct atheros_driver_data *drv = priv; 345 346 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled); 347 348 if (!params->enabled) { 349 /* XXX restore state */ 350 if (set80211param(priv, IEEE80211_PARAM_AUTHMODE, 351 IEEE80211_AUTH_AUTO) < 0) 352 return -1; 353 /* IEEE80211_AUTH_AUTO ends up enabling Privacy; clear that */ 354 return atheros_set_privacy(drv, 0); 355 } 356 if (!params->wpa && !params->ieee802_1x) { 357 hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER, 358 HOSTAPD_LEVEL_WARNING, "No 802.1X or WPA enabled!"); 359 return -1; 360 } 361 if (params->wpa && atheros_configure_wpa(drv, params) != 0) { 362 hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER, 363 HOSTAPD_LEVEL_WARNING, "Error configuring WPA state!"); 364 return -1; 365 } 366 if (set80211param(priv, IEEE80211_PARAM_AUTHMODE, 367 (params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) { 368 hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER, 369 HOSTAPD_LEVEL_WARNING, "Error enabling WPA/802.1X!"); 370 return -1; 371 } 372 373 return 0; 374 } 375 376 static int 377 atheros_set_privacy(void *priv, int enabled) 378 { 379 struct atheros_driver_data *drv = priv; 380 381 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled); 382 383 return set80211param(drv, IEEE80211_PARAM_PRIVACY, enabled); 384 } 385 386 static int 387 atheros_set_sta_authorized(void *priv, const u8 *addr, int authorized) 388 { 389 struct atheros_driver_data *drv = priv; 390 struct ieee80211req_mlme mlme; 391 int ret; 392 393 wpa_printf(MSG_DEBUG, "%s: addr=%s authorized=%d", 394 __func__, ether_sprintf(addr), authorized); 395 396 if (authorized) 397 mlme.im_op = IEEE80211_MLME_AUTHORIZE; 398 else 399 mlme.im_op = IEEE80211_MLME_UNAUTHORIZE; 400 mlme.im_reason = 0; 401 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); 402 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme)); 403 if (ret < 0) { 404 wpa_printf(MSG_DEBUG, "%s: Failed to %sauthorize STA " MACSTR, 405 __func__, authorized ? "" : "un", MAC2STR(addr)); 406 } 407 408 return ret; 409 } 410 411 static int 412 atheros_sta_set_flags(void *priv, const u8 *addr, 413 int total_flags, int flags_or, int flags_and) 414 { 415 /* For now, only support setting Authorized flag */ 416 if (flags_or & WPA_STA_AUTHORIZED) 417 return atheros_set_sta_authorized(priv, addr, 1); 418 if (!(flags_and & WPA_STA_AUTHORIZED)) 419 return atheros_set_sta_authorized(priv, addr, 0); 420 return 0; 421 } 422 423 static int 424 atheros_del_key(void *priv, const u8 *addr, int key_idx) 425 { 426 struct atheros_driver_data *drv = priv; 427 struct ieee80211req_del_key wk; 428 int ret; 429 430 wpa_printf(MSG_DEBUG, "%s: addr=%s key_idx=%d", 431 __func__, ether_sprintf(addr), key_idx); 432 433 memset(&wk, 0, sizeof(wk)); 434 if (addr != NULL) { 435 memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN); 436 wk.idk_keyix = (u8) IEEE80211_KEYIX_NONE; 437 } else { 438 wk.idk_keyix = key_idx; 439 } 440 441 ret = set80211priv(drv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk)); 442 if (ret < 0) { 443 wpa_printf(MSG_DEBUG, "%s: Failed to delete key (addr %s" 444 " key_idx %d)", __func__, ether_sprintf(addr), 445 key_idx); 446 } 447 448 return ret; 449 } 450 451 static int 452 atheros_set_key(const char *ifname, void *priv, enum wpa_alg alg, 453 const u8 *addr, int key_idx, int set_tx, const u8 *seq, 454 size_t seq_len, const u8 *key, size_t key_len) 455 { 456 struct atheros_driver_data *drv = priv; 457 struct ieee80211req_key wk; 458 u_int8_t cipher; 459 int ret; 460 461 if (alg == WPA_ALG_NONE) 462 return atheros_del_key(drv, addr, key_idx); 463 464 wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%s key_idx=%d", 465 __func__, alg, ether_sprintf(addr), key_idx); 466 467 switch (alg) { 468 case WPA_ALG_WEP: 469 cipher = IEEE80211_CIPHER_WEP; 470 break; 471 case WPA_ALG_TKIP: 472 cipher = IEEE80211_CIPHER_TKIP; 473 break; 474 case WPA_ALG_CCMP: 475 cipher = IEEE80211_CIPHER_AES_CCM; 476 break; 477 #ifdef CONFIG_IEEE80211W 478 case WPA_ALG_IGTK: 479 cipher = IEEE80211_CIPHER_AES_CMAC; 480 break; 481 #endif /* CONFIG_IEEE80211W */ 482 default: 483 printf("%s: unknown/unsupported algorithm %d\n", 484 __func__, alg); 485 return -1; 486 } 487 488 if (key_len > sizeof(wk.ik_keydata)) { 489 printf("%s: key length %lu too big\n", __func__, 490 (unsigned long) key_len); 491 return -3; 492 } 493 494 memset(&wk, 0, sizeof(wk)); 495 wk.ik_type = cipher; 496 wk.ik_flags = IEEE80211_KEY_RECV | IEEE80211_KEY_XMIT; 497 if (addr == NULL || is_broadcast_ether_addr(addr)) { 498 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN); 499 wk.ik_keyix = key_idx; 500 if (set_tx) 501 wk.ik_flags |= IEEE80211_KEY_DEFAULT; 502 } else { 503 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN); 504 wk.ik_keyix = IEEE80211_KEYIX_NONE; 505 } 506 wk.ik_keylen = key_len; 507 memcpy(wk.ik_keydata, key, key_len); 508 509 ret = set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk)); 510 if (ret < 0) { 511 wpa_printf(MSG_DEBUG, "%s: Failed to set key (addr %s" 512 " key_idx %d alg %d key_len %lu set_tx %d)", 513 __func__, ether_sprintf(wk.ik_macaddr), key_idx, 514 alg, (unsigned long) key_len, set_tx); 515 } 516 517 return ret; 518 } 519 520 521 static int 522 atheros_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx, 523 u8 *seq) 524 { 525 struct atheros_driver_data *drv = priv; 526 struct ieee80211req_key wk; 527 528 wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d", 529 __func__, ether_sprintf(addr), idx); 530 531 memset(&wk, 0, sizeof(wk)); 532 if (addr == NULL) 533 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN); 534 else 535 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN); 536 wk.ik_keyix = idx; 537 538 if (set80211priv(drv, IEEE80211_IOCTL_GETKEY, &wk, sizeof(wk))) { 539 wpa_printf(MSG_DEBUG, "%s: Failed to get encryption data " 540 "(addr " MACSTR " key_idx %d)", 541 __func__, MAC2STR(wk.ik_macaddr), idx); 542 return -1; 543 } 544 545 #ifdef WORDS_BIGENDIAN 546 { 547 /* 548 * wk.ik_keytsc is in host byte order (big endian), need to 549 * swap it to match with the byte order used in WPA. 550 */ 551 int i; 552 #ifndef WPA_KEY_RSC_LEN 553 #define WPA_KEY_RSC_LEN 8 554 #endif 555 u8 tmp[WPA_KEY_RSC_LEN]; 556 memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc)); 557 for (i = 0; i < WPA_KEY_RSC_LEN; i++) { 558 seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1]; 559 } 560 } 561 #else /* WORDS_BIGENDIAN */ 562 memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc)); 563 #endif /* WORDS_BIGENDIAN */ 564 return 0; 565 } 566 567 568 static int 569 atheros_flush(void *priv) 570 { 571 u8 allsta[IEEE80211_ADDR_LEN]; 572 memset(allsta, 0xff, IEEE80211_ADDR_LEN); 573 return atheros_sta_deauth(priv, NULL, allsta, 574 IEEE80211_REASON_AUTH_LEAVE); 575 } 576 577 578 static int 579 atheros_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data, 580 const u8 *addr) 581 { 582 struct atheros_driver_data *drv = priv; 583 struct ieee80211req_sta_stats stats; 584 585 memset(data, 0, sizeof(*data)); 586 587 /* 588 * Fetch statistics for station from the system. 589 */ 590 memset(&stats, 0, sizeof(stats)); 591 memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN); 592 if (set80211priv(drv, IEEE80211_IOCTL_STA_STATS, 593 &stats, sizeof(stats))) { 594 wpa_printf(MSG_DEBUG, "%s: Failed to fetch STA stats (addr " 595 MACSTR ")", __func__, MAC2STR(addr)); 596 if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) { 597 memcpy(data, &drv->acct_data, sizeof(*data)); 598 return 0; 599 } 600 601 printf("Failed to get station stats information element.\n"); 602 return -1; 603 } 604 605 data->rx_packets = stats.is_stats.ns_rx_data; 606 data->rx_bytes = stats.is_stats.ns_rx_bytes; 607 data->tx_packets = stats.is_stats.ns_tx_data; 608 data->tx_bytes = stats.is_stats.ns_tx_bytes; 609 return 0; 610 } 611 612 613 static int 614 atheros_sta_clear_stats(void *priv, const u8 *addr) 615 { 616 struct atheros_driver_data *drv = priv; 617 struct ieee80211req_mlme mlme; 618 int ret; 619 620 wpa_printf(MSG_DEBUG, "%s: addr=%s", __func__, ether_sprintf(addr)); 621 622 mlme.im_op = IEEE80211_MLME_CLEAR_STATS; 623 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); 624 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, 625 sizeof(mlme)); 626 if (ret < 0) { 627 wpa_printf(MSG_DEBUG, "%s: Failed to clear STA stats (addr " 628 MACSTR ")", __func__, MAC2STR(addr)); 629 } 630 631 return ret; 632 } 633 634 635 static int 636 atheros_set_opt_ie(void *priv, const u8 *ie, size_t ie_len) 637 { 638 struct atheros_driver_data *drv = priv; 639 u8 buf[512]; 640 struct ieee80211req_getset_appiebuf *app_ie; 641 642 wpa_printf(MSG_DEBUG, "%s buflen = %lu", __func__, 643 (unsigned long) ie_len); 644 wpa_hexdump(MSG_DEBUG, "atheros: set_generic_elem", ie, ie_len); 645 646 wpabuf_free(drv->wpa_ie); 647 drv->wpa_ie = wpabuf_alloc_copy(ie, ie_len); 648 649 app_ie = (struct ieee80211req_getset_appiebuf *) buf; 650 os_memcpy(&(app_ie->app_buf[0]), ie, ie_len); 651 app_ie->app_buflen = ie_len; 652 653 app_ie->app_frmtype = IEEE80211_APPIE_FRAME_BEACON; 654 655 /* append WPS IE for Beacon */ 656 if (drv->wps_beacon_ie != NULL) { 657 os_memcpy(&(app_ie->app_buf[ie_len]), 658 wpabuf_head(drv->wps_beacon_ie), 659 wpabuf_len(drv->wps_beacon_ie)); 660 app_ie->app_buflen = ie_len + wpabuf_len(drv->wps_beacon_ie); 661 } 662 wpa_hexdump(MSG_DEBUG, "atheros: SET_APPIEBUF(Beacon)", 663 app_ie->app_buf, app_ie->app_buflen); 664 set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, app_ie, 665 sizeof(struct ieee80211req_getset_appiebuf) + 666 app_ie->app_buflen); 667 668 /* append WPS IE for Probe Response */ 669 app_ie->app_frmtype = IEEE80211_APPIE_FRAME_PROBE_RESP; 670 if (drv->wps_probe_resp_ie != NULL) { 671 os_memcpy(&(app_ie->app_buf[ie_len]), 672 wpabuf_head(drv->wps_probe_resp_ie), 673 wpabuf_len(drv->wps_probe_resp_ie)); 674 app_ie->app_buflen = ie_len + 675 wpabuf_len(drv->wps_probe_resp_ie); 676 } else 677 app_ie->app_buflen = ie_len; 678 wpa_hexdump(MSG_DEBUG, "atheros: SET_APPIEBUF(ProbeResp)", 679 app_ie->app_buf, app_ie->app_buflen); 680 set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, app_ie, 681 sizeof(struct ieee80211req_getset_appiebuf) + 682 app_ie->app_buflen); 683 return 0; 684 } 685 686 static int 687 atheros_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, 688 int reason_code) 689 { 690 struct atheros_driver_data *drv = priv; 691 struct ieee80211req_mlme mlme; 692 int ret; 693 694 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d", 695 __func__, ether_sprintf(addr), reason_code); 696 697 mlme.im_op = IEEE80211_MLME_DEAUTH; 698 mlme.im_reason = reason_code; 699 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); 700 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme)); 701 if (ret < 0) { 702 wpa_printf(MSG_DEBUG, "%s: Failed to deauth STA (addr " MACSTR 703 " reason %d)", 704 __func__, MAC2STR(addr), reason_code); 705 } 706 707 return ret; 708 } 709 710 static int 711 atheros_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr, 712 int reason_code) 713 { 714 struct atheros_driver_data *drv = priv; 715 struct ieee80211req_mlme mlme; 716 int ret; 717 718 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d", 719 __func__, ether_sprintf(addr), reason_code); 720 721 mlme.im_op = IEEE80211_MLME_DISASSOC; 722 mlme.im_reason = reason_code; 723 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); 724 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme)); 725 if (ret < 0) { 726 wpa_printf(MSG_DEBUG, "%s: Failed to disassoc STA (addr " 727 MACSTR " reason %d)", 728 __func__, MAC2STR(addr), reason_code); 729 } 730 731 return ret; 732 } 733 734 #ifdef CONFIG_WPS 735 static void atheros_raw_recv_wps(void *ctx, const u8 *src_addr, const u8 *buf, 736 size_t len) 737 { 738 struct atheros_driver_data *drv = ctx; 739 const struct ieee80211_mgmt *mgmt; 740 u16 fc; 741 union wpa_event_data event; 742 743 /* Send Probe Request information to WPS processing */ 744 745 if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req)) 746 return; 747 mgmt = (const struct ieee80211_mgmt *) buf; 748 749 fc = le_to_host16(mgmt->frame_control); 750 if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT || 751 WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_PROBE_REQ) 752 return; 753 754 os_memset(&event, 0, sizeof(event)); 755 event.rx_probe_req.sa = mgmt->sa; 756 event.rx_probe_req.da = mgmt->da; 757 event.rx_probe_req.bssid = mgmt->bssid; 758 event.rx_probe_req.ie = mgmt->u.probe_req.variable; 759 event.rx_probe_req.ie_len = 760 len - (IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req)); 761 wpa_supplicant_event(drv->hapd, EVENT_RX_PROBE_REQ, &event); 762 } 763 #endif /* CONFIG_WPS */ 764 765 #ifdef CONFIG_IEEE80211R 766 static void atheros_raw_recv_11r(void *ctx, const u8 *src_addr, const u8 *buf, 767 size_t len) 768 { 769 struct atheros_driver_data *drv = ctx; 770 union wpa_event_data event; 771 const struct ieee80211_mgmt *mgmt; 772 u16 fc; 773 u16 stype; 774 int ielen; 775 const u8 *iebuf; 776 777 /* Do 11R processing for ASSOC/AUTH/FT ACTION frames */ 778 if (len < IEEE80211_HDRLEN) 779 return; 780 mgmt = (const struct ieee80211_mgmt *) buf; 781 782 fc = le_to_host16(mgmt->frame_control); 783 784 if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT) 785 return; 786 stype = WLAN_FC_GET_STYPE(fc); 787 788 wpa_printf(MSG_DEBUG, "%s: subtype 0x%x len %d", __func__, stype, 789 (int) len); 790 791 if (os_memcmp(drv->own_addr, mgmt->bssid, ETH_ALEN) != 0) { 792 wpa_printf(MSG_DEBUG, "%s: BSSID does not match - ignore", 793 __func__); 794 return; 795 } 796 switch (stype) { 797 case WLAN_FC_STYPE_ASSOC_REQ: 798 if (len - IEEE80211_HDRLEN < sizeof(mgmt->u.assoc_req)) 799 break; 800 ielen = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.assoc_req)); 801 iebuf = mgmt->u.assoc_req.variable; 802 drv_event_assoc(drv->hapd, mgmt->sa, iebuf, ielen, 0); 803 break; 804 case WLAN_FC_STYPE_REASSOC_REQ: 805 if (len - IEEE80211_HDRLEN < sizeof(mgmt->u.reassoc_req)) 806 break; 807 ielen = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.reassoc_req)); 808 iebuf = mgmt->u.reassoc_req.variable; 809 drv_event_assoc(drv->hapd, mgmt->sa, iebuf, ielen, 1); 810 break; 811 case WLAN_FC_STYPE_ACTION: 812 if (&mgmt->u.action.category > buf + len) 813 break; 814 os_memset(&event, 0, sizeof(event)); 815 event.rx_action.da = mgmt->da; 816 event.rx_action.sa = mgmt->sa; 817 event.rx_action.bssid = mgmt->bssid; 818 event.rx_action.category = mgmt->u.action.category; 819 event.rx_action.data = &mgmt->u.action.category; 820 event.rx_action.len = buf + len - event.rx_action.data; 821 wpa_supplicant_event(drv->hapd, EVENT_RX_ACTION, &event); 822 break; 823 case WLAN_FC_STYPE_AUTH: 824 if (len - IEEE80211_HDRLEN < sizeof(mgmt->u.auth)) 825 break; 826 os_memset(&event, 0, sizeof(event)); 827 os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN); 828 os_memcpy(event.auth.bssid, mgmt->bssid, ETH_ALEN); 829 event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg); 830 event.auth.status_code = 831 le_to_host16(mgmt->u.auth.status_code); 832 event.auth.auth_transaction = 833 le_to_host16(mgmt->u.auth.auth_transaction); 834 event.auth.ies = mgmt->u.auth.variable; 835 event.auth.ies_len = len - IEEE80211_HDRLEN - 836 sizeof(mgmt->u.auth); 837 wpa_supplicant_event(drv->hapd, EVENT_AUTH, &event); 838 break; 839 default: 840 break; 841 } 842 } 843 #endif /* CONFIG_IEEE80211R */ 844 845 #ifdef CONFIG_HS20 846 static void atheros_raw_recv_hs20(void *ctx, const u8 *src_addr, const u8 *buf, 847 size_t len) 848 { 849 struct atheros_driver_data *drv = ctx; 850 const struct ieee80211_mgmt *mgmt; 851 u16 fc; 852 union wpa_event_data event; 853 854 /* Send the Action frame for HS20 processing */ 855 856 if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.action.category) + 857 sizeof(mgmt->u.action.u.public_action)) 858 return; 859 860 mgmt = (const struct ieee80211_mgmt *) buf; 861 862 fc = le_to_host16(mgmt->frame_control); 863 if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT || 864 WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION || 865 mgmt->u.action.category != WLAN_ACTION_PUBLIC) 866 return; 867 868 wpa_printf(MSG_DEBUG, "%s:Received Public Action frame", __func__); 869 870 os_memset(&event, 0, sizeof(event)); 871 event.rx_mgmt.frame = (const u8 *) mgmt; 872 event.rx_mgmt.frame_len = len; 873 wpa_supplicant_event(drv->hapd, EVENT_RX_MGMT, &event); 874 } 875 #endif /* CONFIG_HS20 */ 876 877 #if defined(CONFIG_WNM) && !defined(CONFIG_IEEE80211R) 878 static void atheros_raw_recv_11v(void *ctx, const u8 *src_addr, const u8 *buf, 879 size_t len) 880 { 881 struct atheros_driver_data *drv = ctx; 882 union wpa_event_data event; 883 const struct ieee80211_mgmt *mgmt; 884 u16 fc; 885 u16 stype; 886 887 /* Do 11R processing for WNM ACTION frames */ 888 if (len < IEEE80211_HDRLEN) 889 return; 890 mgmt = (const struct ieee80211_mgmt *) buf; 891 892 fc = le_to_host16(mgmt->frame_control); 893 894 if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT) 895 return; 896 stype = WLAN_FC_GET_STYPE(fc); 897 898 wpa_printf(MSG_DEBUG, "%s: subtype 0x%x len %d", __func__, stype, 899 (int) len); 900 901 if (os_memcmp(drv->own_addr, mgmt->bssid, ETH_ALEN) != 0) { 902 wpa_printf(MSG_DEBUG, "%s: BSSID does not match - ignore", 903 __func__); 904 return; 905 } 906 907 switch (stype) { 908 case WLAN_FC_STYPE_ACTION: 909 if (&mgmt->u.action.category > buf + len) 910 break; 911 os_memset(&event, 0, sizeof(event)); 912 event.rx_action.da = mgmt->da; 913 event.rx_action.sa = mgmt->sa; 914 event.rx_action.bssid = mgmt->bssid; 915 event.rx_action.category = mgmt->u.action.category; 916 event.rx_action.data = &mgmt->u.action.category; 917 event.rx_action.len = buf + len - event.rx_action.data; 918 wpa_supplicant_event(drv->hapd, EVENT_RX_ACTION, &event); 919 break; 920 default: 921 break; 922 } 923 } 924 #endif /* CONFIG_WNM */ 925 926 #if defined(CONFIG_WPS) || defined(CONFIG_IEEE80211R) || defined(CONFIG_WNM) 927 static void atheros_raw_receive(void *ctx, const u8 *src_addr, const u8 *buf, 928 size_t len) 929 { 930 #ifdef CONFIG_WPS 931 atheros_raw_recv_wps(ctx, src_addr, buf, len); 932 #endif /* CONFIG_WPS */ 933 #ifdef CONFIG_IEEE80211R 934 atheros_raw_recv_11r(ctx, src_addr, buf, len); 935 #endif /* CONFIG_IEEE80211R */ 936 #if defined(CONFIG_WNM) && !defined(CONFIG_IEEE80211R) 937 atheros_raw_recv_11v(ctx, src_addr, buf, len); 938 #endif /* CONFIG_WNM */ 939 #ifdef CONFIG_HS20 940 atheros_raw_recv_hs20(ctx, src_addr, buf, len); 941 #endif /* CONFIG_HS20 */ 942 } 943 #endif /* CONFIG_WPS || CONFIG_IEEE80211R */ 944 945 static int atheros_receive_pkt(struct atheros_driver_data *drv) 946 { 947 int ret = 0; 948 struct ieee80211req_set_filter filt; 949 950 wpa_printf(MSG_DEBUG, "%s Enter", __func__); 951 filt.app_filterype = 0; 952 #ifdef CONFIG_WPS 953 filt.app_filterype |= IEEE80211_FILTER_TYPE_PROBE_REQ; 954 #endif /* CONFIG_WPS */ 955 #ifdef CONFIG_IEEE80211R 956 filt.app_filterype |= (IEEE80211_FILTER_TYPE_ASSOC_REQ | 957 IEEE80211_FILTER_TYPE_AUTH | 958 IEEE80211_FILTER_TYPE_ACTION); 959 #endif 960 #ifdef CONFIG_WNM 961 filt.app_filterype |= IEEE80211_FILTER_TYPE_ACTION; 962 #endif /* CONFIG_WNM */ 963 #ifdef CONFIG_HS20 964 filt.app_filterype |= IEEE80211_FILTER_TYPE_ACTION; 965 #endif /* CONFIG_HS20 */ 966 if (filt.app_filterype) { 967 ret = set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt, 968 sizeof(struct ieee80211req_set_filter)); 969 if (ret) 970 return ret; 971 } 972 973 #if defined(CONFIG_WPS) || defined(CONFIG_IEEE80211R) 974 drv->sock_raw = l2_packet_init(drv->iface, NULL, ETH_P_80211_RAW, 975 atheros_raw_receive, drv, 1); 976 if (drv->sock_raw == NULL) 977 return -1; 978 #endif /* CONFIG_WPS || CONFIG_IEEE80211R */ 979 return ret; 980 } 981 982 static int atheros_reset_appfilter(struct atheros_driver_data *drv) 983 { 984 struct ieee80211req_set_filter filt; 985 filt.app_filterype = 0; 986 return set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt, 987 sizeof(struct ieee80211req_set_filter)); 988 } 989 990 #ifdef CONFIG_WPS 991 static int 992 atheros_set_wps_ie(void *priv, const u8 *ie, size_t len, u32 frametype) 993 { 994 struct atheros_driver_data *drv = priv; 995 u8 buf[512]; 996 struct ieee80211req_getset_appiebuf *beac_ie; 997 998 wpa_printf(MSG_DEBUG, "%s buflen = %lu frametype=%u", __func__, 999 (unsigned long) len, frametype); 1000 wpa_hexdump(MSG_DEBUG, "atheros: IE", ie, len); 1001 1002 beac_ie = (struct ieee80211req_getset_appiebuf *) buf; 1003 beac_ie->app_frmtype = frametype; 1004 beac_ie->app_buflen = len; 1005 os_memcpy(&(beac_ie->app_buf[0]), ie, len); 1006 1007 /* append the WPA/RSN IE if it is set already */ 1008 if (((frametype == IEEE80211_APPIE_FRAME_BEACON) || 1009 (frametype == IEEE80211_APPIE_FRAME_PROBE_RESP)) && 1010 (drv->wpa_ie != NULL)) { 1011 wpa_hexdump_buf(MSG_DEBUG, "atheros: Append WPA/RSN IE", 1012 drv->wpa_ie); 1013 os_memcpy(&(beac_ie->app_buf[len]), wpabuf_head(drv->wpa_ie), 1014 wpabuf_len(drv->wpa_ie)); 1015 beac_ie->app_buflen += wpabuf_len(drv->wpa_ie); 1016 } 1017 1018 wpa_hexdump(MSG_DEBUG, "atheros: SET_APPIEBUF", 1019 beac_ie->app_buf, beac_ie->app_buflen); 1020 return set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, beac_ie, 1021 sizeof(struct ieee80211req_getset_appiebuf) + 1022 beac_ie->app_buflen); 1023 } 1024 1025 static int 1026 atheros_set_ap_wps_ie(void *priv, const struct wpabuf *beacon, 1027 const struct wpabuf *proberesp, 1028 const struct wpabuf *assocresp) 1029 { 1030 struct atheros_driver_data *drv = priv; 1031 1032 wpa_hexdump_buf(MSG_DEBUG, "atheros: set_ap_wps_ie - beacon", beacon); 1033 wpa_hexdump_buf(MSG_DEBUG, "atheros: set_ap_wps_ie - proberesp", 1034 proberesp); 1035 wpa_hexdump_buf(MSG_DEBUG, "atheros: set_ap_wps_ie - assocresp", 1036 assocresp); 1037 wpabuf_free(drv->wps_beacon_ie); 1038 drv->wps_beacon_ie = beacon ? wpabuf_dup(beacon) : NULL; 1039 wpabuf_free(drv->wps_probe_resp_ie); 1040 drv->wps_probe_resp_ie = proberesp ? wpabuf_dup(proberesp) : NULL; 1041 1042 atheros_set_wps_ie(priv, assocresp ? wpabuf_head(assocresp) : NULL, 1043 assocresp ? wpabuf_len(assocresp) : 0, 1044 IEEE80211_APPIE_FRAME_ASSOC_RESP); 1045 if (atheros_set_wps_ie(priv, beacon ? wpabuf_head(beacon) : NULL, 1046 beacon ? wpabuf_len(beacon) : 0, 1047 IEEE80211_APPIE_FRAME_BEACON)) 1048 return -1; 1049 return atheros_set_wps_ie(priv, 1050 proberesp ? wpabuf_head(proberesp) : NULL, 1051 proberesp ? wpabuf_len(proberesp): 0, 1052 IEEE80211_APPIE_FRAME_PROBE_RESP); 1053 } 1054 #else /* CONFIG_WPS */ 1055 #define atheros_set_ap_wps_ie NULL 1056 #endif /* CONFIG_WPS */ 1057 1058 #ifdef CONFIG_IEEE80211R 1059 static int 1060 atheros_sta_auth(void *priv, const u8 *own_addr, const u8 *addr, u16 seq, 1061 u16 status_code, const u8 *ie, size_t len) 1062 { 1063 struct atheros_driver_data *drv = priv; 1064 struct ieee80211req_mlme mlme; 1065 int ret; 1066 1067 wpa_printf(MSG_DEBUG, "%s: addr=%s status_code=%d", 1068 __func__, ether_sprintf(addr), status_code); 1069 1070 mlme.im_op = IEEE80211_MLME_AUTH; 1071 mlme.im_reason = status_code; 1072 mlme.im_seq = seq; 1073 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); 1074 mlme.im_optie_len = len; 1075 if (len) { 1076 if (len < IEEE80211_MAX_OPT_IE) { 1077 os_memcpy(mlme.im_optie, ie, len); 1078 } else { 1079 wpa_printf(MSG_DEBUG, "%s: Not enough space to copy " 1080 "opt_ie STA (addr " MACSTR " reason %d, " 1081 "ie_len %d)", 1082 __func__, MAC2STR(addr), status_code, 1083 (int) len); 1084 return -1; 1085 } 1086 } 1087 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme)); 1088 if (ret < 0) { 1089 wpa_printf(MSG_DEBUG, "%s: Failed to auth STA (addr " MACSTR 1090 " reason %d)", 1091 __func__, MAC2STR(addr), status_code); 1092 } 1093 return ret; 1094 } 1095 1096 static int 1097 atheros_sta_assoc(void *priv, const u8 *own_addr, const u8 *addr, 1098 int reassoc, u16 status_code, const u8 *ie, size_t len) 1099 { 1100 struct atheros_driver_data *drv = priv; 1101 struct ieee80211req_mlme mlme; 1102 int ret; 1103 1104 wpa_printf(MSG_DEBUG, "%s: addr=%s status_code=%d reassoc %d", 1105 __func__, ether_sprintf(addr), status_code, reassoc); 1106 1107 if (reassoc) 1108 mlme.im_op = IEEE80211_MLME_REASSOC; 1109 else 1110 mlme.im_op = IEEE80211_MLME_ASSOC; 1111 mlme.im_reason = status_code; 1112 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); 1113 mlme.im_optie_len = len; 1114 if (len) { 1115 if (len < IEEE80211_MAX_OPT_IE) { 1116 os_memcpy(mlme.im_optie, ie, len); 1117 } else { 1118 wpa_printf(MSG_DEBUG, "%s: Not enough space to copy " 1119 "opt_ie STA (addr " MACSTR " reason %d, " 1120 "ie_len %d)", 1121 __func__, MAC2STR(addr), status_code, 1122 (int) len); 1123 return -1; 1124 } 1125 } 1126 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme)); 1127 if (ret < 0) { 1128 wpa_printf(MSG_DEBUG, "%s: Failed to assoc STA (addr " MACSTR 1129 " reason %d)", 1130 __func__, MAC2STR(addr), status_code); 1131 } 1132 return ret; 1133 } 1134 #endif /* CONFIG_IEEE80211R */ 1135 1136 static void 1137 atheros_new_sta(struct atheros_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN]) 1138 { 1139 struct hostapd_data *hapd = drv->hapd; 1140 struct ieee80211req_wpaie ie; 1141 int ielen = 0; 1142 u8 *iebuf = NULL; 1143 1144 /* 1145 * Fetch negotiated WPA/RSN parameters from the system. 1146 */ 1147 memset(&ie, 0, sizeof(ie)); 1148 memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN); 1149 if (set80211priv(drv, IEEE80211_IOCTL_GETWPAIE, &ie, sizeof(ie))) { 1150 /* 1151 * See ATH_WPS_IE comment in the beginning of the file for a 1152 * possible cause for the failure.. 1153 */ 1154 wpa_printf(MSG_DEBUG, "%s: Failed to get WPA/RSN IE: %s", 1155 __func__, strerror(errno)); 1156 goto no_ie; 1157 } 1158 wpa_hexdump(MSG_MSGDUMP, "atheros req WPA IE", 1159 ie.wpa_ie, IEEE80211_MAX_OPT_IE); 1160 wpa_hexdump(MSG_MSGDUMP, "atheros req RSN IE", 1161 ie.rsn_ie, IEEE80211_MAX_OPT_IE); 1162 #ifdef ATH_WPS_IE 1163 wpa_hexdump(MSG_MSGDUMP, "atheros req WPS IE", 1164 ie.wps_ie, IEEE80211_MAX_OPT_IE); 1165 #endif /* ATH_WPS_IE */ 1166 iebuf = ie.wpa_ie; 1167 /* atheros seems to return some random data if WPA/RSN IE is not set. 1168 * Assume the IE was not included if the IE type is unknown. */ 1169 if (iebuf[0] != WLAN_EID_VENDOR_SPECIFIC) 1170 iebuf[1] = 0; 1171 if (iebuf[1] == 0 && ie.rsn_ie[1] > 0) { 1172 /* atheros-ng svn #1453 added rsn_ie. Use it, if wpa_ie was not 1173 * set. This is needed for WPA2. */ 1174 iebuf = ie.rsn_ie; 1175 if (iebuf[0] != WLAN_EID_RSN) 1176 iebuf[1] = 0; 1177 } 1178 1179 ielen = iebuf[1]; 1180 1181 #ifdef ATH_WPS_IE 1182 /* if WPS IE is present, preference is given to WPS */ 1183 if (ie.wps_ie && 1184 (ie.wps_ie[1] > 0 && (ie.wps_ie[0] == WLAN_EID_VENDOR_SPECIFIC))) { 1185 iebuf = ie.wps_ie; 1186 ielen = ie.wps_ie[1]; 1187 } 1188 #endif /* ATH_WPS_IE */ 1189 1190 if (ielen == 0) 1191 iebuf = NULL; 1192 else 1193 ielen += 2; 1194 1195 no_ie: 1196 drv_event_assoc(hapd, addr, iebuf, ielen, 0); 1197 1198 if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) { 1199 /* Cached accounting data is not valid anymore. */ 1200 memset(drv->acct_mac, 0, ETH_ALEN); 1201 memset(&drv->acct_data, 0, sizeof(drv->acct_data)); 1202 } 1203 } 1204 1205 static void 1206 atheros_wireless_event_wireless_custom(struct atheros_driver_data *drv, 1207 char *custom, char *end) 1208 { 1209 wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom); 1210 1211 if (strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) { 1212 char *pos; 1213 u8 addr[ETH_ALEN]; 1214 pos = strstr(custom, "addr="); 1215 if (pos == NULL) { 1216 wpa_printf(MSG_DEBUG, 1217 "MLME-MICHAELMICFAILURE.indication " 1218 "without sender address ignored"); 1219 return; 1220 } 1221 pos += 5; 1222 if (hwaddr_aton(pos, addr) == 0) { 1223 union wpa_event_data data; 1224 os_memset(&data, 0, sizeof(data)); 1225 data.michael_mic_failure.unicast = 1; 1226 data.michael_mic_failure.src = addr; 1227 wpa_supplicant_event(drv->hapd, 1228 EVENT_MICHAEL_MIC_FAILURE, &data); 1229 } else { 1230 wpa_printf(MSG_DEBUG, 1231 "MLME-MICHAELMICFAILURE.indication " 1232 "with invalid MAC address"); 1233 } 1234 } else if (strncmp(custom, "STA-TRAFFIC-STAT", 16) == 0) { 1235 char *key, *value; 1236 u32 val; 1237 key = custom; 1238 while ((key = strchr(key, '\n')) != NULL) { 1239 key++; 1240 value = strchr(key, '='); 1241 if (value == NULL) 1242 continue; 1243 *value++ = '\0'; 1244 val = strtoul(value, NULL, 10); 1245 if (strcmp(key, "mac") == 0) 1246 hwaddr_aton(value, drv->acct_mac); 1247 else if (strcmp(key, "rx_packets") == 0) 1248 drv->acct_data.rx_packets = val; 1249 else if (strcmp(key, "tx_packets") == 0) 1250 drv->acct_data.tx_packets = val; 1251 else if (strcmp(key, "rx_bytes") == 0) 1252 drv->acct_data.rx_bytes = val; 1253 else if (strcmp(key, "tx_bytes") == 0) 1254 drv->acct_data.tx_bytes = val; 1255 key = value; 1256 } 1257 #ifdef CONFIG_WPS 1258 } else if (strncmp(custom, "PUSH-BUTTON.indication", 22) == 0) { 1259 /* Some atheros kernels send push button as a wireless event */ 1260 /* PROBLEM! this event is received for ALL BSSs ... 1261 * so all are enabled for WPS... ugh. 1262 */ 1263 wpa_supplicant_event(drv->hapd, EVENT_WPS_BUTTON_PUSHED, NULL); 1264 #endif /* CONFIG_WPS */ 1265 #if defined(CONFIG_WPS) || defined(CONFIG_IEEE80211R) || defined(CONFIG_HS20) 1266 #define MGMT_FRAM_TAG_SIZE 30 /* hardcoded in driver */ 1267 } else if (strncmp(custom, "Manage.prob_req ", 16) == 0) { 1268 /* 1269 * Atheros driver uses a hack to pass Probe Request frames as a 1270 * binary data in the custom wireless event. The old way (using 1271 * packet sniffing) didn't work when bridging. 1272 * Format: "Manage.prob_req <frame len>" | zero padding | frame 1273 */ 1274 int len = atoi(custom + 16); 1275 if (len < 0 || custom + MGMT_FRAM_TAG_SIZE + len > end) { 1276 wpa_printf(MSG_DEBUG, "Invalid Manage.prob_req event " 1277 "length %d", len); 1278 return; 1279 } 1280 atheros_raw_receive(drv, NULL, 1281 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len); 1282 } else if (strncmp(custom, "Manage.assoc_req ", 17) == 0) { 1283 /* Format: "Manage.assoc_req <frame len>" | zero padding | 1284 * frame */ 1285 int len = atoi(custom + 17); 1286 if (len < 0 || custom + MGMT_FRAM_TAG_SIZE + len > end) { 1287 wpa_printf(MSG_DEBUG, "Invalid Manage.prob_req/" 1288 "assoc_req/auth event length %d", len); 1289 return; 1290 } 1291 atheros_raw_receive(drv, NULL, 1292 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len); 1293 } else if (strncmp(custom, "Manage.action ", 14) == 0) { 1294 /* Format: "Manage.assoc_req <frame len>" | zero padding | 1295 * frame */ 1296 int len = atoi(custom + 14); 1297 if (len < 0 || custom + MGMT_FRAM_TAG_SIZE + len > end) { 1298 wpa_printf(MSG_DEBUG, "Invalid Manage.prob_req/" 1299 "assoc_req/auth event length %d", len); 1300 return; 1301 } 1302 atheros_raw_receive(drv, NULL, 1303 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len); 1304 } else if (strncmp(custom, "Manage.auth ", 12) == 0) { 1305 /* Format: "Manage.auth <frame len>" | zero padding | frame 1306 */ 1307 int len = atoi(custom + 12); 1308 if (len < 0 || custom + MGMT_FRAM_TAG_SIZE + len > end) { 1309 wpa_printf(MSG_DEBUG, "Invalid Manage.prob_req/" 1310 "assoc_req/auth event length %d", len); 1311 return; 1312 } 1313 atheros_raw_receive(drv, NULL, 1314 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len); 1315 #endif /* CONFIG_WPS or CONFIG_IEEE80211R */ 1316 } 1317 } 1318 1319 /* 1320 * Handle size of data problem. WEXT only allows data of 256 bytes for custom 1321 * events, and p2p data can be much bigger. So the athr driver sends a small 1322 * event telling me to collect the big data with an ioctl. 1323 * On the first event, send all pending events to supplicant. 1324 */ 1325 static void fetch_pending_big_events(struct atheros_driver_data *drv) 1326 { 1327 union wpa_event_data event; 1328 const struct ieee80211_mgmt *mgmt; 1329 u8 tbuf[IW_PRIV_SIZE_MASK]; /* max size is 2047 bytes */ 1330 u16 fc, stype; 1331 struct iwreq iwr; 1332 size_t data_len; 1333 u32 freq, frame_type; 1334 1335 while (1) { 1336 os_memset(&iwr, 0, sizeof(iwr)); 1337 os_strncpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1338 1339 iwr.u.data.pointer = (void *) tbuf; 1340 iwr.u.data.length = sizeof(tbuf); 1341 iwr.u.data.flags = IEEE80211_IOC_P2P_FETCH_FRAME; 1342 1343 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_P2P_BIG_PARAM, &iwr) 1344 < 0) { 1345 if (errno == ENOSPC) { 1346 wpa_printf(MSG_DEBUG, "%s:%d exit", 1347 __func__, __LINE__); 1348 return; 1349 } 1350 wpa_printf(MSG_DEBUG, "athr: %s: P2P_BIG_PARAM[" 1351 "P2P_FETCH_FRAME] failed: %s", 1352 __func__, strerror(errno)); 1353 return; 1354 } 1355 data_len = iwr.u.data.length; 1356 wpa_hexdump(MSG_DEBUG, "athr: P2P_FETCH_FRAME data", 1357 (u8 *) tbuf, data_len); 1358 if (data_len < sizeof(freq) + sizeof(frame_type) + 24) { 1359 wpa_printf(MSG_DEBUG, "athr: frame too short"); 1360 continue; 1361 } 1362 os_memcpy(&freq, tbuf, sizeof(freq)); 1363 os_memcpy(&frame_type, &tbuf[sizeof(freq)], 1364 sizeof(frame_type)); 1365 mgmt = (void *) &tbuf[sizeof(freq) + sizeof(frame_type)]; 1366 data_len -= sizeof(freq) + sizeof(frame_type); 1367 1368 if (frame_type == IEEE80211_EV_RX_MGMT) { 1369 fc = le_to_host16(mgmt->frame_control); 1370 stype = WLAN_FC_GET_STYPE(fc); 1371 1372 wpa_printf(MSG_DEBUG, "athr: EV_RX_MGMT stype=%u " 1373 "freq=%u len=%u", stype, freq, (int) data_len); 1374 1375 if (stype == WLAN_FC_STYPE_ACTION) { 1376 os_memset(&event, 0, sizeof(event)); 1377 event.rx_mgmt.frame = (const u8 *) mgmt; 1378 event.rx_mgmt.frame_len = data_len; 1379 wpa_supplicant_event(drv->hapd, EVENT_RX_MGMT, 1380 &event); 1381 continue; 1382 } 1383 } else { 1384 wpa_printf(MSG_DEBUG, "athr: %s unknown type %d", 1385 __func__, frame_type); 1386 continue; 1387 } 1388 } 1389 } 1390 1391 static void 1392 atheros_wireless_event_atheros_custom(struct atheros_driver_data *drv, 1393 int opcode, char *buf, int len) 1394 { 1395 switch (opcode) { 1396 case IEEE80211_EV_RX_MGMT: 1397 wpa_printf(MSG_DEBUG, "WEXT: EV_RX_MGMT"); 1398 fetch_pending_big_events(drv); 1399 break; 1400 default: 1401 break; 1402 } 1403 } 1404 1405 static void 1406 atheros_wireless_event_wireless(struct atheros_driver_data *drv, 1407 char *data, int len) 1408 { 1409 struct iw_event iwe_buf, *iwe = &iwe_buf; 1410 char *pos, *end, *custom, *buf; 1411 1412 pos = data; 1413 end = data + len; 1414 1415 while (pos + IW_EV_LCP_LEN <= end) { 1416 /* Event data may be unaligned, so make a local, aligned copy 1417 * before processing. */ 1418 memcpy(&iwe_buf, pos, IW_EV_LCP_LEN); 1419 wpa_printf(MSG_MSGDUMP, "Wireless event: cmd=0x%x len=%d", 1420 iwe->cmd, iwe->len); 1421 if (iwe->len <= IW_EV_LCP_LEN) 1422 return; 1423 1424 custom = pos + IW_EV_POINT_LEN; 1425 if (drv->we_version > 18 && 1426 (iwe->cmd == IWEVMICHAELMICFAILURE || 1427 iwe->cmd == IWEVASSOCREQIE || 1428 iwe->cmd == IWEVCUSTOM)) { 1429 /* WE-19 removed the pointer from struct iw_point */ 1430 char *dpos = (char *) &iwe_buf.u.data.length; 1431 int dlen = dpos - (char *) &iwe_buf; 1432 memcpy(dpos, pos + IW_EV_LCP_LEN, 1433 sizeof(struct iw_event) - dlen); 1434 } else { 1435 memcpy(&iwe_buf, pos, sizeof(struct iw_event)); 1436 custom += IW_EV_POINT_OFF; 1437 } 1438 1439 switch (iwe->cmd) { 1440 case IWEVEXPIRED: 1441 drv_event_disassoc(drv->hapd, 1442 (u8 *) iwe->u.addr.sa_data); 1443 break; 1444 case IWEVREGISTERED: 1445 atheros_new_sta(drv, (u8 *) iwe->u.addr.sa_data); 1446 break; 1447 case IWEVASSOCREQIE: 1448 /* Driver hack.. Use IWEVASSOCREQIE to bypass 1449 * IWEVCUSTOM size limitations. Need to handle this 1450 * just like IWEVCUSTOM. 1451 */ 1452 case IWEVCUSTOM: 1453 if (custom + iwe->u.data.length > end) 1454 return; 1455 buf = malloc(iwe->u.data.length + 1); 1456 if (buf == NULL) 1457 return; /* XXX */ 1458 memcpy(buf, custom, iwe->u.data.length); 1459 buf[iwe->u.data.length] = '\0'; 1460 1461 if (iwe->u.data.flags != 0) { 1462 atheros_wireless_event_atheros_custom( 1463 drv, (int) iwe->u.data.flags, 1464 buf, len); 1465 } else { 1466 atheros_wireless_event_wireless_custom( 1467 drv, buf, buf + iwe->u.data.length); 1468 } 1469 free(buf); 1470 break; 1471 } 1472 1473 pos += iwe->len; 1474 } 1475 } 1476 1477 1478 static void 1479 atheros_wireless_event_rtm_newlink(void *ctx, 1480 struct ifinfomsg *ifi, u8 *buf, size_t len) 1481 { 1482 struct atheros_driver_data *drv = ctx; 1483 int attrlen, rta_len; 1484 struct rtattr *attr; 1485 1486 if (ifi->ifi_index != drv->ifindex) 1487 return; 1488 1489 attrlen = len; 1490 attr = (struct rtattr *) buf; 1491 1492 rta_len = RTA_ALIGN(sizeof(struct rtattr)); 1493 while (RTA_OK(attr, attrlen)) { 1494 if (attr->rta_type == IFLA_WIRELESS) { 1495 atheros_wireless_event_wireless( 1496 drv, ((char *) attr) + rta_len, 1497 attr->rta_len - rta_len); 1498 } 1499 attr = RTA_NEXT(attr, attrlen); 1500 } 1501 } 1502 1503 1504 static int 1505 atheros_get_we_version(struct atheros_driver_data *drv) 1506 { 1507 struct iw_range *range; 1508 struct iwreq iwr; 1509 int minlen; 1510 size_t buflen; 1511 1512 drv->we_version = 0; 1513 1514 /* 1515 * Use larger buffer than struct iw_range in order to allow the 1516 * structure to grow in the future. 1517 */ 1518 buflen = sizeof(struct iw_range) + 500; 1519 range = os_zalloc(buflen); 1520 if (range == NULL) 1521 return -1; 1522 1523 memset(&iwr, 0, sizeof(iwr)); 1524 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1525 iwr.u.data.pointer = (caddr_t) range; 1526 iwr.u.data.length = buflen; 1527 1528 minlen = ((char *) &range->enc_capa) - (char *) range + 1529 sizeof(range->enc_capa); 1530 1531 if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) { 1532 perror("ioctl[SIOCGIWRANGE]"); 1533 free(range); 1534 return -1; 1535 } else if (iwr.u.data.length >= minlen && 1536 range->we_version_compiled >= 18) { 1537 wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d " 1538 "WE(source)=%d enc_capa=0x%x", 1539 range->we_version_compiled, 1540 range->we_version_source, 1541 range->enc_capa); 1542 drv->we_version = range->we_version_compiled; 1543 } 1544 1545 os_free(range); 1546 return 0; 1547 } 1548 1549 1550 static int 1551 atheros_wireless_event_init(struct atheros_driver_data *drv) 1552 { 1553 struct netlink_config *cfg; 1554 1555 atheros_get_we_version(drv); 1556 1557 cfg = os_zalloc(sizeof(*cfg)); 1558 if (cfg == NULL) 1559 return -1; 1560 cfg->ctx = drv; 1561 cfg->newlink_cb = atheros_wireless_event_rtm_newlink; 1562 drv->netlink = netlink_init(cfg); 1563 if (drv->netlink == NULL) { 1564 os_free(cfg); 1565 return -1; 1566 } 1567 1568 return 0; 1569 } 1570 1571 1572 static int 1573 atheros_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len, 1574 int encrypt, const u8 *own_addr, u32 flags) 1575 { 1576 struct atheros_driver_data *drv = priv; 1577 unsigned char buf[3000]; 1578 unsigned char *bp = buf; 1579 struct l2_ethhdr *eth; 1580 size_t len; 1581 int status; 1582 1583 /* 1584 * Prepend the Ethernet header. If the caller left us 1585 * space at the front we could just insert it but since 1586 * we don't know we copy to a local buffer. Given the frequency 1587 * and size of frames this probably doesn't matter. 1588 */ 1589 len = data_len + sizeof(struct l2_ethhdr); 1590 if (len > sizeof(buf)) { 1591 bp = malloc(len); 1592 if (bp == NULL) { 1593 printf("EAPOL frame discarded, cannot malloc temp " 1594 "buffer of size %lu!\n", (unsigned long) len); 1595 return -1; 1596 } 1597 } 1598 eth = (struct l2_ethhdr *) bp; 1599 memcpy(eth->h_dest, addr, ETH_ALEN); 1600 memcpy(eth->h_source, own_addr, ETH_ALEN); 1601 eth->h_proto = host_to_be16(ETH_P_EAPOL); 1602 memcpy(eth+1, data, data_len); 1603 1604 wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len); 1605 1606 status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len); 1607 1608 if (bp != buf) 1609 free(bp); 1610 return status; 1611 } 1612 1613 static void 1614 handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len) 1615 { 1616 struct atheros_driver_data *drv = ctx; 1617 drv_event_eapol_rx(drv->hapd, src_addr, buf + sizeof(struct l2_ethhdr), 1618 len - sizeof(struct l2_ethhdr)); 1619 } 1620 1621 static void * 1622 atheros_init(struct hostapd_data *hapd, struct wpa_init_params *params) 1623 { 1624 struct atheros_driver_data *drv; 1625 struct ifreq ifr; 1626 struct iwreq iwr; 1627 char brname[IFNAMSIZ]; 1628 1629 drv = os_zalloc(sizeof(struct atheros_driver_data)); 1630 if (drv == NULL) { 1631 printf("Could not allocate memory for atheros driver data\n"); 1632 return NULL; 1633 } 1634 1635 drv->hapd = hapd; 1636 drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0); 1637 if (drv->ioctl_sock < 0) { 1638 perror("socket[PF_INET,SOCK_DGRAM]"); 1639 goto bad; 1640 } 1641 memcpy(drv->iface, params->ifname, sizeof(drv->iface)); 1642 1643 memset(&ifr, 0, sizeof(ifr)); 1644 os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name)); 1645 if (ioctl(drv->ioctl_sock, SIOCGIFINDEX, &ifr) != 0) { 1646 perror("ioctl(SIOCGIFINDEX)"); 1647 goto bad; 1648 } 1649 drv->ifindex = ifr.ifr_ifindex; 1650 1651 drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL, 1652 handle_read, drv, 1); 1653 if (drv->sock_xmit == NULL) 1654 goto bad; 1655 if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr)) 1656 goto bad; 1657 os_memcpy(drv->own_addr, params->own_addr, ETH_ALEN); 1658 if (params->bridge[0]) { 1659 wpa_printf(MSG_DEBUG, "Configure bridge %s for EAPOL traffic.", 1660 params->bridge[0]); 1661 drv->sock_recv = l2_packet_init(params->bridge[0], NULL, 1662 ETH_P_EAPOL, handle_read, drv, 1663 1); 1664 if (drv->sock_recv == NULL) 1665 goto bad; 1666 } else if (linux_br_get(brname, drv->iface) == 0) { 1667 wpa_printf(MSG_DEBUG, "Interface in bridge %s; configure for " 1668 "EAPOL receive", brname); 1669 drv->sock_recv = l2_packet_init(brname, NULL, ETH_P_EAPOL, 1670 handle_read, drv, 1); 1671 if (drv->sock_recv == NULL) 1672 goto bad; 1673 } else 1674 drv->sock_recv = drv->sock_xmit; 1675 1676 memset(&iwr, 0, sizeof(iwr)); 1677 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1678 1679 iwr.u.mode = IW_MODE_MASTER; 1680 1681 if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) < 0) { 1682 perror("ioctl[SIOCSIWMODE]"); 1683 printf("Could not set interface to master mode!\n"); 1684 goto bad; 1685 } 1686 1687 /* mark down during setup */ 1688 linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0); 1689 atheros_set_privacy(drv, 0); /* default to no privacy */ 1690 1691 if (atheros_receive_pkt(drv)) 1692 goto bad; 1693 1694 if (atheros_wireless_event_init(drv)) 1695 goto bad; 1696 1697 return drv; 1698 bad: 1699 atheros_reset_appfilter(drv); 1700 if (drv->sock_raw) 1701 l2_packet_deinit(drv->sock_raw); 1702 if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit) 1703 l2_packet_deinit(drv->sock_recv); 1704 if (drv->sock_xmit != NULL) 1705 l2_packet_deinit(drv->sock_xmit); 1706 if (drv->ioctl_sock >= 0) 1707 close(drv->ioctl_sock); 1708 if (drv != NULL) 1709 free(drv); 1710 return NULL; 1711 } 1712 1713 1714 static void 1715 atheros_deinit(void *priv) 1716 { 1717 struct atheros_driver_data *drv = priv; 1718 1719 atheros_reset_appfilter(drv); 1720 netlink_deinit(drv->netlink); 1721 (void) linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0); 1722 if (drv->ioctl_sock >= 0) 1723 close(drv->ioctl_sock); 1724 if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit) 1725 l2_packet_deinit(drv->sock_recv); 1726 if (drv->sock_xmit != NULL) 1727 l2_packet_deinit(drv->sock_xmit); 1728 if (drv->sock_raw) 1729 l2_packet_deinit(drv->sock_raw); 1730 wpabuf_free(drv->wpa_ie); 1731 wpabuf_free(drv->wps_beacon_ie); 1732 wpabuf_free(drv->wps_probe_resp_ie); 1733 free(drv); 1734 } 1735 1736 static int 1737 atheros_set_ssid(void *priv, const u8 *buf, int len) 1738 { 1739 struct atheros_driver_data *drv = priv; 1740 struct iwreq iwr; 1741 1742 memset(&iwr, 0, sizeof(iwr)); 1743 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1744 iwr.u.essid.flags = 1; /* SSID active */ 1745 iwr.u.essid.pointer = (caddr_t) buf; 1746 iwr.u.essid.length = len + 1; 1747 1748 if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) { 1749 perror("ioctl[SIOCSIWESSID]"); 1750 printf("len=%d\n", len); 1751 return -1; 1752 } 1753 return 0; 1754 } 1755 1756 static int 1757 atheros_get_ssid(void *priv, u8 *buf, int len) 1758 { 1759 struct atheros_driver_data *drv = priv; 1760 struct iwreq iwr; 1761 int ret = 0; 1762 1763 memset(&iwr, 0, sizeof(iwr)); 1764 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1765 iwr.u.essid.pointer = (caddr_t) buf; 1766 iwr.u.essid.length = (len > IW_ESSID_MAX_SIZE) ? 1767 IW_ESSID_MAX_SIZE : len; 1768 1769 if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) { 1770 perror("ioctl[SIOCGIWESSID]"); 1771 ret = -1; 1772 } else 1773 ret = iwr.u.essid.length; 1774 1775 return ret; 1776 } 1777 1778 static int 1779 atheros_set_countermeasures(void *priv, int enabled) 1780 { 1781 struct atheros_driver_data *drv = priv; 1782 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled); 1783 return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled); 1784 } 1785 1786 static int 1787 atheros_commit(void *priv) 1788 { 1789 struct atheros_driver_data *drv = priv; 1790 return linux_set_iface_flags(drv->ioctl_sock, drv->iface, 1); 1791 } 1792 1793 static int atheros_set_authmode(void *priv, int auth_algs) 1794 { 1795 int authmode; 1796 1797 if ((auth_algs & WPA_AUTH_ALG_OPEN) && 1798 (auth_algs & WPA_AUTH_ALG_SHARED)) 1799 authmode = IEEE80211_AUTH_AUTO; 1800 else if (auth_algs & WPA_AUTH_ALG_OPEN) 1801 authmode = IEEE80211_AUTH_OPEN; 1802 else if (auth_algs & WPA_AUTH_ALG_SHARED) 1803 authmode = IEEE80211_AUTH_SHARED; 1804 else 1805 return -1; 1806 1807 return set80211param(priv, IEEE80211_PARAM_AUTHMODE, authmode); 1808 } 1809 1810 static int atheros_set_ap(void *priv, struct wpa_driver_ap_params *params) 1811 { 1812 /* 1813 * TODO: Use this to replace set_authmode, set_privacy, set_ieee8021x, 1814 * set_generic_elem, and hapd_set_ssid. 1815 */ 1816 1817 wpa_printf(MSG_DEBUG, "atheros: set_ap - pairwise_ciphers=0x%x " 1818 "group_cipher=0x%x key_mgmt_suites=0x%x auth_algs=0x%x " 1819 "wpa_version=0x%x privacy=%d interworking=%d", 1820 params->pairwise_ciphers, params->group_cipher, 1821 params->key_mgmt_suites, params->auth_algs, 1822 params->wpa_version, params->privacy, params->interworking); 1823 wpa_hexdump_ascii(MSG_DEBUG, "atheros: SSID", 1824 params->ssid, params->ssid_len); 1825 if (params->hessid) 1826 wpa_printf(MSG_DEBUG, "atheros: HESSID " MACSTR, 1827 MAC2STR(params->hessid)); 1828 wpa_hexdump_buf(MSG_DEBUG, "atheros: beacon_ies", 1829 params->beacon_ies); 1830 wpa_hexdump_buf(MSG_DEBUG, "atheros: proberesp_ies", 1831 params->proberesp_ies); 1832 wpa_hexdump_buf(MSG_DEBUG, "atheros: assocresp_ies", 1833 params->assocresp_ies); 1834 1835 return 0; 1836 } 1837 1838 1839 #ifdef CONFIG_IEEE80211R 1840 1841 static int atheros_send_mgmt(void *priv, const u8 *frm, size_t data_len, 1842 int noack) 1843 { 1844 struct atheros_driver_data *drv = priv; 1845 u8 buf[1510]; 1846 const struct ieee80211_mgmt *mgmt; 1847 struct ieee80211req_mgmtbuf *mgmt_frm; 1848 1849 mgmt = (const struct ieee80211_mgmt *) frm; 1850 wpa_printf(MSG_DEBUG, "%s frmlen = %lu " MACSTR, __func__, 1851 (unsigned long) data_len, MAC2STR(mgmt->da)); 1852 mgmt_frm = (struct ieee80211req_mgmtbuf *) buf; 1853 memcpy(mgmt_frm->macaddr, (u8 *)mgmt->da, IEEE80211_ADDR_LEN); 1854 mgmt_frm->buflen = data_len; 1855 if (&mgmt_frm->buf[0] + data_len > buf + sizeof(buf)) { 1856 wpa_printf(MSG_INFO, "atheros: Too long frame for " 1857 "atheros_send_mgmt (%u)", (unsigned int) data_len); 1858 return -1; 1859 } 1860 os_memcpy(&mgmt_frm->buf[0], frm, data_len); 1861 return set80211priv(drv, IEEE80211_IOCTL_SEND_MGMT, mgmt_frm, 1862 sizeof(struct ieee80211req_mgmtbuf) + data_len); 1863 } 1864 1865 1866 static int atheros_add_tspec(void *priv, const u8 *addr, u8 *tspec_ie, 1867 size_t tspec_ielen) 1868 { 1869 struct atheros_driver_data *drv = priv; 1870 int retv; 1871 struct ieee80211req_res req; 1872 struct ieee80211req_res_addts *addts = &req.u.addts; 1873 1874 wpa_printf(MSG_DEBUG, "%s", __func__); 1875 req.type = IEEE80211_RESREQ_ADDTS; 1876 os_memcpy(&req.macaddr[0], addr, IEEE80211_ADDR_LEN); 1877 os_memcpy(addts->tspecie, tspec_ie, tspec_ielen); 1878 retv = set80211priv(drv, IEEE80211_IOCTL_RES_REQ, &req, 1879 sizeof(struct ieee80211req_res)); 1880 if (retv < 0) { 1881 wpa_printf(MSG_DEBUG, "%s IEEE80211_IOCTL_RES_REQ FAILED " 1882 "retv = %d", __func__, retv); 1883 return -1; 1884 } 1885 os_memcpy(tspec_ie, addts->tspecie, tspec_ielen); 1886 return addts->status; 1887 } 1888 1889 1890 static int atheros_add_sta_node(void *priv, const u8 *addr, u16 auth_alg) 1891 { 1892 struct atheros_driver_data *drv = priv; 1893 struct ieee80211req_res req; 1894 struct ieee80211req_res_addnode *addnode = &req.u.addnode; 1895 1896 wpa_printf(MSG_DEBUG, "%s", __func__); 1897 req.type = IEEE80211_RESREQ_ADDNODE; 1898 os_memcpy(&req.macaddr[0], addr, IEEE80211_ADDR_LEN); 1899 addnode->auth_alg = auth_alg; 1900 return set80211priv(drv, IEEE80211_IOCTL_RES_REQ, &req, 1901 sizeof(struct ieee80211req_res)); 1902 } 1903 1904 #endif /* CONFIG_IEEE80211R */ 1905 1906 1907 /* Use only to set a big param, get will not work. */ 1908 static int 1909 set80211big(struct atheros_driver_data *drv, int op, const void *data, int len) 1910 { 1911 struct iwreq iwr; 1912 1913 os_memset(&iwr, 0, sizeof(iwr)); 1914 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1915 1916 iwr.u.data.pointer = (void *) data; 1917 iwr.u.data.length = len; 1918 iwr.u.data.flags = op; 1919 wpa_printf(MSG_DEBUG, "%s: op=0x%x=%d (%s) len=0x%x", 1920 __func__, op, op, athr_get_param_name(op), len); 1921 1922 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_P2P_BIG_PARAM, &iwr) < 0) { 1923 wpa_printf(MSG_DEBUG, "%s: op=0x%x (%s) subop=0x%x=%d " 1924 "value=0x%x,0x%x failed: %d (%s)", 1925 __func__, op, athr_get_ioctl_name(op), iwr.u.mode, 1926 iwr.u.mode, iwr.u.data.length, 1927 iwr.u.data.flags, errno, strerror(errno)); 1928 return -1; 1929 } 1930 return 0; 1931 } 1932 1933 1934 static int atheros_send_action(void *priv, unsigned int freq, 1935 unsigned int wait, 1936 const u8 *dst, const u8 *src, 1937 const u8 *bssid, 1938 const u8 *data, size_t data_len, int no_cck) 1939 { 1940 struct atheros_driver_data *drv = priv; 1941 struct ieee80211_p2p_send_action *act; 1942 int res; 1943 1944 act = os_zalloc(sizeof(*act) + data_len); 1945 if (act == NULL) 1946 return -1; 1947 act->freq = freq; 1948 os_memcpy(act->dst_addr, dst, ETH_ALEN); 1949 os_memcpy(act->src_addr, src, ETH_ALEN); 1950 os_memcpy(act->bssid, bssid, ETH_ALEN); 1951 os_memcpy(act + 1, data, data_len); 1952 wpa_printf(MSG_DEBUG, "%s: freq=%d, wait=%u, dst=" MACSTR ", src=" 1953 MACSTR ", bssid=" MACSTR, 1954 __func__, act->freq, wait, MAC2STR(act->dst_addr), 1955 MAC2STR(act->src_addr), MAC2STR(act->bssid)); 1956 wpa_hexdump(MSG_MSGDUMP, "athr: act", (u8 *) act, sizeof(*act)); 1957 wpa_hexdump(MSG_MSGDUMP, "athr: data", data, data_len); 1958 1959 res = set80211big(drv, IEEE80211_IOC_P2P_SEND_ACTION, 1960 act, sizeof(*act) + data_len); 1961 os_free(act); 1962 return res; 1963 } 1964 1965 1966 #ifdef CONFIG_WNM 1967 static int athr_wnm_tfs(struct atheros_driver_data *drv, const u8* peer, 1968 u8 *ie, u16 *len, enum wnm_oper oper) 1969 { 1970 #define IEEE80211_APPIE_MAX 1024 /* max appie buffer size */ 1971 u8 buf[IEEE80211_APPIE_MAX]; 1972 struct ieee80211req_getset_appiebuf *tfs_ie; 1973 u16 val; 1974 1975 wpa_printf(MSG_DEBUG, "atheros: ifname=%s, WNM TFS IE oper=%d " MACSTR, 1976 drv->iface, oper, MAC2STR(peer)); 1977 1978 switch (oper) { 1979 case WNM_SLEEP_TFS_REQ_IE_SET: 1980 if (*len > IEEE80211_APPIE_MAX - 1981 sizeof(struct ieee80211req_getset_appiebuf)) { 1982 wpa_printf(MSG_DEBUG, "TFS Req IE(s) too large"); 1983 return -1; 1984 } 1985 tfs_ie = (struct ieee80211req_getset_appiebuf *) buf; 1986 tfs_ie->app_frmtype = IEEE80211_APPIE_FRAME_WNM; 1987 tfs_ie->app_buflen = ETH_ALEN + 2 + 2 + *len; 1988 1989 /* Command header for driver */ 1990 os_memcpy(&(tfs_ie->app_buf[0]), peer, ETH_ALEN); 1991 val = oper; 1992 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN, &val, 2); 1993 val = *len; 1994 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2, &val, 2); 1995 1996 /* copy the ie */ 1997 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2 + 2, ie, *len); 1998 1999 if (set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, tfs_ie, 2000 IEEE80211_APPIE_MAX)) { 2001 wpa_printf(MSG_DEBUG, "%s: Failed to set WNM TFS IE: " 2002 "%s", __func__, strerror(errno)); 2003 return -1; 2004 } 2005 break; 2006 case WNM_SLEEP_TFS_RESP_IE_ADD: 2007 tfs_ie = (struct ieee80211req_getset_appiebuf *) buf; 2008 tfs_ie->app_frmtype = IEEE80211_APPIE_FRAME_WNM; 2009 tfs_ie->app_buflen = IEEE80211_APPIE_MAX - 2010 sizeof(struct ieee80211req_getset_appiebuf); 2011 /* Command header for driver */ 2012 os_memcpy(&(tfs_ie->app_buf[0]), peer, ETH_ALEN); 2013 val = oper; 2014 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN, &val, 2); 2015 val = 0; 2016 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2, &val, 2); 2017 2018 if (set80211priv(drv, IEEE80211_IOCTL_GET_APPIEBUF, tfs_ie, 2019 IEEE80211_APPIE_MAX)) { 2020 wpa_printf(MSG_DEBUG, "%s: Failed to get WNM TFS IE: " 2021 "%s", __func__, strerror(errno)); 2022 return -1; 2023 } 2024 2025 *len = tfs_ie->app_buflen; 2026 os_memcpy(ie, &(tfs_ie->app_buf[0]), *len); 2027 wpa_printf(MSG_DEBUG, "atheros: %c len=%d", tfs_ie->app_buf[0], 2028 *len); 2029 break; 2030 case WNM_SLEEP_TFS_RESP_IE_NONE: 2031 *len = 0; 2032 break; 2033 case WNM_SLEEP_TFS_IE_DEL: 2034 tfs_ie = (struct ieee80211req_getset_appiebuf *) buf; 2035 tfs_ie->app_frmtype = IEEE80211_APPIE_FRAME_WNM; 2036 tfs_ie->app_buflen = IEEE80211_APPIE_MAX - 2037 sizeof(struct ieee80211req_getset_appiebuf); 2038 /* Command header for driver */ 2039 os_memcpy(&(tfs_ie->app_buf[0]), peer, ETH_ALEN); 2040 val = oper; 2041 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN, &val, 2); 2042 val = 0; 2043 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2, &val, 2); 2044 2045 if (set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, tfs_ie, 2046 IEEE80211_APPIE_MAX)) { 2047 wpa_printf(MSG_DEBUG, "%s: Failed to set WNM TFS IE: " 2048 "%s", __func__, strerror(errno)); 2049 return -1; 2050 } 2051 break; 2052 default: 2053 wpa_printf(MSG_DEBUG, "Unsupported TFS oper %d", oper); 2054 break; 2055 } 2056 2057 return 0; 2058 } 2059 2060 2061 static int atheros_wnm_sleep(struct atheros_driver_data *drv, 2062 const u8 *peer, enum wnm_oper oper) 2063 { 2064 u8 *data, *pos; 2065 size_t dlen; 2066 int ret; 2067 u16 val; 2068 2069 wpa_printf(MSG_DEBUG, "atheros: WNM-Sleep Oper %d, " MACSTR, 2070 oper, MAC2STR(peer)); 2071 2072 dlen = ETH_ALEN + 2 + 2; 2073 data = os_malloc(dlen); 2074 if (data == NULL) 2075 return -1; 2076 2077 /* Command header for driver */ 2078 pos = data; 2079 os_memcpy(pos, peer, ETH_ALEN); 2080 pos += ETH_ALEN; 2081 2082 val = oper; 2083 os_memcpy(pos, &val, 2); 2084 pos += 2; 2085 2086 val = 0; 2087 os_memcpy(pos, &val, 2); 2088 2089 ret = atheros_set_wps_ie(drv, data, dlen, IEEE80211_APPIE_FRAME_WNM); 2090 2091 os_free(data); 2092 2093 return ret; 2094 } 2095 2096 2097 static int atheros_wnm_oper(void *priv, enum wnm_oper oper, const u8 *peer, 2098 u8 *buf, u16 *buf_len) 2099 { 2100 struct atheros_driver_data *drv = priv; 2101 2102 switch (oper) { 2103 case WNM_SLEEP_ENTER_CONFIRM: 2104 case WNM_SLEEP_ENTER_FAIL: 2105 case WNM_SLEEP_EXIT_CONFIRM: 2106 case WNM_SLEEP_EXIT_FAIL: 2107 return atheros_wnm_sleep(drv, peer, oper); 2108 case WNM_SLEEP_TFS_REQ_IE_SET: 2109 case WNM_SLEEP_TFS_RESP_IE_ADD: 2110 case WNM_SLEEP_TFS_RESP_IE_NONE: 2111 case WNM_SLEEP_TFS_IE_DEL: 2112 return athr_wnm_tfs(drv, peer, buf, buf_len, oper); 2113 default: 2114 wpa_printf(MSG_DEBUG, "atheros: Unsupported WNM operation %d", 2115 oper); 2116 return -1; 2117 } 2118 } 2119 #endif /* CONFIG_WNM */ 2120 2121 2122 const struct wpa_driver_ops wpa_driver_atheros_ops = { 2123 .name = "atheros", 2124 .hapd_init = atheros_init, 2125 .hapd_deinit = atheros_deinit, 2126 .set_ieee8021x = atheros_set_ieee8021x, 2127 .set_privacy = atheros_set_privacy, 2128 .set_key = atheros_set_key, 2129 .get_seqnum = atheros_get_seqnum, 2130 .flush = atheros_flush, 2131 .set_generic_elem = atheros_set_opt_ie, 2132 .sta_set_flags = atheros_sta_set_flags, 2133 .read_sta_data = atheros_read_sta_driver_data, 2134 .hapd_send_eapol = atheros_send_eapol, 2135 .sta_disassoc = atheros_sta_disassoc, 2136 .sta_deauth = atheros_sta_deauth, 2137 .hapd_set_ssid = atheros_set_ssid, 2138 .hapd_get_ssid = atheros_get_ssid, 2139 .set_countermeasures = atheros_set_countermeasures, 2140 .sta_clear_stats = atheros_sta_clear_stats, 2141 .commit = atheros_commit, 2142 .set_ap_wps_ie = atheros_set_ap_wps_ie, 2143 .set_authmode = atheros_set_authmode, 2144 .set_ap = atheros_set_ap, 2145 #ifdef CONFIG_IEEE80211R 2146 .sta_assoc = atheros_sta_assoc, 2147 .sta_auth = atheros_sta_auth, 2148 .send_mlme = atheros_send_mgmt, 2149 .add_tspec = atheros_add_tspec, 2150 .add_sta_node = atheros_add_sta_node, 2151 #endif /* CONFIG_IEEE80211R */ 2152 .send_action = atheros_send_action, 2153 #ifdef CONFIG_WNM 2154 .wnm_oper = atheros_wnm_oper, 2155 #endif /* CONFIG_WNM */ 2156 }; 2157