1 /* 2 * hostapd / Driver interaction with Atheros driver 3 * Copyright (c) 2004, Sam Leffler <sam (at) errno.com> 4 * Copyright (c) 2004, Video54 Technologies 5 * Copyright (c) 2005-2007, Jouni Malinen <j (at) 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_IEEE80211V) && !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_IEEE80211V */ 925 926 #if defined(CONFIG_WPS) || defined(CONFIG_IEEE80211R) || defined(CONFIG_IEEE80211V) 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_IEEE80211V) && !defined(CONFIG_IEEE80211R) 937 atheros_raw_recv_11v(ctx, src_addr, buf, len); 938 #endif /* CONFIG_IEEE80211V */ 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_IEEE80211V 961 filt.app_filterype |= IEEE80211_FILTER_TYPE_ACTION; 962 #endif /* CONFIG_IEEE80211V */ 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 if (l2_packet_get_own_addr(drv->sock_xmit, drv->own_addr)) 980 return -1; 981 return ret; 982 } 983 984 static int atheros_reset_appfilter(struct atheros_driver_data *drv) 985 { 986 struct ieee80211req_set_filter filt; 987 filt.app_filterype = 0; 988 return set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt, 989 sizeof(struct ieee80211req_set_filter)); 990 } 991 992 #ifdef CONFIG_WPS 993 static int 994 atheros_set_wps_ie(void *priv, const u8 *ie, size_t len, u32 frametype) 995 { 996 struct atheros_driver_data *drv = priv; 997 u8 buf[512]; 998 struct ieee80211req_getset_appiebuf *beac_ie; 999 1000 wpa_printf(MSG_DEBUG, "%s buflen = %lu frametype=%u", __func__, 1001 (unsigned long) len, frametype); 1002 wpa_hexdump(MSG_DEBUG, "atheros: IE", ie, len); 1003 1004 beac_ie = (struct ieee80211req_getset_appiebuf *) buf; 1005 beac_ie->app_frmtype = frametype; 1006 beac_ie->app_buflen = len; 1007 os_memcpy(&(beac_ie->app_buf[0]), ie, len); 1008 1009 /* append the WPA/RSN IE if it is set already */ 1010 if (((frametype == IEEE80211_APPIE_FRAME_BEACON) || 1011 (frametype == IEEE80211_APPIE_FRAME_PROBE_RESP)) && 1012 (drv->wpa_ie != NULL)) { 1013 wpa_hexdump_buf(MSG_DEBUG, "atheros: Append WPA/RSN IE", 1014 drv->wpa_ie); 1015 os_memcpy(&(beac_ie->app_buf[len]), wpabuf_head(drv->wpa_ie), 1016 wpabuf_len(drv->wpa_ie)); 1017 beac_ie->app_buflen += wpabuf_len(drv->wpa_ie); 1018 } 1019 1020 wpa_hexdump(MSG_DEBUG, "atheros: SET_APPIEBUF", 1021 beac_ie->app_buf, beac_ie->app_buflen); 1022 return set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, beac_ie, 1023 sizeof(struct ieee80211req_getset_appiebuf) + 1024 beac_ie->app_buflen); 1025 } 1026 1027 static int 1028 atheros_set_ap_wps_ie(void *priv, const struct wpabuf *beacon, 1029 const struct wpabuf *proberesp, 1030 const struct wpabuf *assocresp) 1031 { 1032 struct atheros_driver_data *drv = priv; 1033 1034 wpa_hexdump_buf(MSG_DEBUG, "atheros: set_ap_wps_ie - beacon", beacon); 1035 wpa_hexdump_buf(MSG_DEBUG, "atheros: set_ap_wps_ie - proberesp", 1036 proberesp); 1037 wpa_hexdump_buf(MSG_DEBUG, "atheros: set_ap_wps_ie - assocresp", 1038 assocresp); 1039 wpabuf_free(drv->wps_beacon_ie); 1040 drv->wps_beacon_ie = beacon ? wpabuf_dup(beacon) : NULL; 1041 wpabuf_free(drv->wps_probe_resp_ie); 1042 drv->wps_probe_resp_ie = proberesp ? wpabuf_dup(proberesp) : NULL; 1043 1044 atheros_set_wps_ie(priv, assocresp ? wpabuf_head(assocresp) : NULL, 1045 assocresp ? wpabuf_len(assocresp) : 0, 1046 IEEE80211_APPIE_FRAME_ASSOC_RESP); 1047 if (atheros_set_wps_ie(priv, beacon ? wpabuf_head(beacon) : NULL, 1048 beacon ? wpabuf_len(beacon) : 0, 1049 IEEE80211_APPIE_FRAME_BEACON)) 1050 return -1; 1051 return atheros_set_wps_ie(priv, 1052 proberesp ? wpabuf_head(proberesp) : NULL, 1053 proberesp ? wpabuf_len(proberesp): 0, 1054 IEEE80211_APPIE_FRAME_PROBE_RESP); 1055 } 1056 #else /* CONFIG_WPS */ 1057 #define atheros_set_ap_wps_ie NULL 1058 #endif /* CONFIG_WPS */ 1059 1060 #ifdef CONFIG_IEEE80211R 1061 static int 1062 atheros_sta_auth(void *priv, const u8 *own_addr, const u8 *addr, u16 seq, 1063 u16 status_code, const u8 *ie, size_t len) 1064 { 1065 struct atheros_driver_data *drv = priv; 1066 struct ieee80211req_mlme mlme; 1067 int ret; 1068 1069 wpa_printf(MSG_DEBUG, "%s: addr=%s status_code=%d", 1070 __func__, ether_sprintf(addr), status_code); 1071 1072 mlme.im_op = IEEE80211_MLME_AUTH; 1073 mlme.im_reason = status_code; 1074 mlme.im_seq = seq; 1075 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); 1076 mlme.im_optie_len = len; 1077 if (len) { 1078 if (len < IEEE80211_MAX_OPT_IE) { 1079 os_memcpy(mlme.im_optie, ie, len); 1080 } else { 1081 wpa_printf(MSG_DEBUG, "%s: Not enough space to copy " 1082 "opt_ie STA (addr " MACSTR " reason %d, " 1083 "ie_len %d)", 1084 __func__, MAC2STR(addr), status_code, 1085 (int) len); 1086 return -1; 1087 } 1088 } 1089 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme)); 1090 if (ret < 0) { 1091 wpa_printf(MSG_DEBUG, "%s: Failed to auth STA (addr " MACSTR 1092 " reason %d)", 1093 __func__, MAC2STR(addr), status_code); 1094 } 1095 return ret; 1096 } 1097 1098 static int 1099 atheros_sta_assoc(void *priv, const u8 *own_addr, const u8 *addr, 1100 int reassoc, u16 status_code, const u8 *ie, size_t len) 1101 { 1102 struct atheros_driver_data *drv = priv; 1103 struct ieee80211req_mlme mlme; 1104 int ret; 1105 1106 wpa_printf(MSG_DEBUG, "%s: addr=%s status_code=%d reassoc %d", 1107 __func__, ether_sprintf(addr), status_code, reassoc); 1108 1109 if (reassoc) 1110 mlme.im_op = IEEE80211_MLME_REASSOC; 1111 else 1112 mlme.im_op = IEEE80211_MLME_ASSOC; 1113 mlme.im_reason = status_code; 1114 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); 1115 mlme.im_optie_len = len; 1116 if (len) { 1117 if (len < IEEE80211_MAX_OPT_IE) { 1118 os_memcpy(mlme.im_optie, ie, len); 1119 } else { 1120 wpa_printf(MSG_DEBUG, "%s: Not enough space to copy " 1121 "opt_ie STA (addr " MACSTR " reason %d, " 1122 "ie_len %d)", 1123 __func__, MAC2STR(addr), status_code, 1124 (int) len); 1125 return -1; 1126 } 1127 } 1128 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme)); 1129 if (ret < 0) { 1130 wpa_printf(MSG_DEBUG, "%s: Failed to assoc STA (addr " MACSTR 1131 " reason %d)", 1132 __func__, MAC2STR(addr), status_code); 1133 } 1134 return ret; 1135 } 1136 #endif /* CONFIG_IEEE80211R */ 1137 1138 static void 1139 atheros_new_sta(struct atheros_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN]) 1140 { 1141 struct hostapd_data *hapd = drv->hapd; 1142 struct ieee80211req_wpaie ie; 1143 int ielen = 0; 1144 u8 *iebuf = NULL; 1145 1146 /* 1147 * Fetch negotiated WPA/RSN parameters from the system. 1148 */ 1149 memset(&ie, 0, sizeof(ie)); 1150 memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN); 1151 if (set80211priv(drv, IEEE80211_IOCTL_GETWPAIE, &ie, sizeof(ie))) { 1152 /* 1153 * See ATH_WPS_IE comment in the beginning of the file for a 1154 * possible cause for the failure.. 1155 */ 1156 wpa_printf(MSG_DEBUG, "%s: Failed to get WPA/RSN IE: %s", 1157 __func__, strerror(errno)); 1158 goto no_ie; 1159 } 1160 wpa_hexdump(MSG_MSGDUMP, "atheros req WPA IE", 1161 ie.wpa_ie, IEEE80211_MAX_OPT_IE); 1162 wpa_hexdump(MSG_MSGDUMP, "atheros req RSN IE", 1163 ie.rsn_ie, IEEE80211_MAX_OPT_IE); 1164 #ifdef ATH_WPS_IE 1165 wpa_hexdump(MSG_MSGDUMP, "atheros req WPS IE", 1166 ie.wps_ie, IEEE80211_MAX_OPT_IE); 1167 #endif /* ATH_WPS_IE */ 1168 iebuf = ie.wpa_ie; 1169 /* atheros seems to return some random data if WPA/RSN IE is not set. 1170 * Assume the IE was not included if the IE type is unknown. */ 1171 if (iebuf[0] != WLAN_EID_VENDOR_SPECIFIC) 1172 iebuf[1] = 0; 1173 if (iebuf[1] == 0 && ie.rsn_ie[1] > 0) { 1174 /* atheros-ng svn #1453 added rsn_ie. Use it, if wpa_ie was not 1175 * set. This is needed for WPA2. */ 1176 iebuf = ie.rsn_ie; 1177 if (iebuf[0] != WLAN_EID_RSN) 1178 iebuf[1] = 0; 1179 } 1180 1181 ielen = iebuf[1]; 1182 1183 #ifdef ATH_WPS_IE 1184 /* if WPS IE is present, preference is given to WPS */ 1185 if (ie.wps_ie && 1186 (ie.wps_ie[1] > 0 && (ie.wps_ie[0] == WLAN_EID_VENDOR_SPECIFIC))) { 1187 iebuf = ie.wps_ie; 1188 ielen = ie.wps_ie[1]; 1189 } 1190 #endif /* ATH_WPS_IE */ 1191 1192 if (ielen == 0) 1193 iebuf = NULL; 1194 else 1195 ielen += 2; 1196 1197 no_ie: 1198 drv_event_assoc(hapd, addr, iebuf, ielen, 0); 1199 1200 if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) { 1201 /* Cached accounting data is not valid anymore. */ 1202 memset(drv->acct_mac, 0, ETH_ALEN); 1203 memset(&drv->acct_data, 0, sizeof(drv->acct_data)); 1204 } 1205 } 1206 1207 static void 1208 atheros_wireless_event_wireless_custom(struct atheros_driver_data *drv, 1209 char *custom, char *end) 1210 { 1211 wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom); 1212 1213 if (strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) { 1214 char *pos; 1215 u8 addr[ETH_ALEN]; 1216 pos = strstr(custom, "addr="); 1217 if (pos == NULL) { 1218 wpa_printf(MSG_DEBUG, 1219 "MLME-MICHAELMICFAILURE.indication " 1220 "without sender address ignored"); 1221 return; 1222 } 1223 pos += 5; 1224 if (hwaddr_aton(pos, addr) == 0) { 1225 union wpa_event_data data; 1226 os_memset(&data, 0, sizeof(data)); 1227 data.michael_mic_failure.unicast = 1; 1228 data.michael_mic_failure.src = addr; 1229 wpa_supplicant_event(drv->hapd, 1230 EVENT_MICHAEL_MIC_FAILURE, &data); 1231 } else { 1232 wpa_printf(MSG_DEBUG, 1233 "MLME-MICHAELMICFAILURE.indication " 1234 "with invalid MAC address"); 1235 } 1236 } else if (strncmp(custom, "STA-TRAFFIC-STAT", 16) == 0) { 1237 char *key, *value; 1238 u32 val; 1239 key = custom; 1240 while ((key = strchr(key, '\n')) != NULL) { 1241 key++; 1242 value = strchr(key, '='); 1243 if (value == NULL) 1244 continue; 1245 *value++ = '\0'; 1246 val = strtoul(value, NULL, 10); 1247 if (strcmp(key, "mac") == 0) 1248 hwaddr_aton(value, drv->acct_mac); 1249 else if (strcmp(key, "rx_packets") == 0) 1250 drv->acct_data.rx_packets = val; 1251 else if (strcmp(key, "tx_packets") == 0) 1252 drv->acct_data.tx_packets = val; 1253 else if (strcmp(key, "rx_bytes") == 0) 1254 drv->acct_data.rx_bytes = val; 1255 else if (strcmp(key, "tx_bytes") == 0) 1256 drv->acct_data.tx_bytes = val; 1257 key = value; 1258 } 1259 #ifdef CONFIG_WPS 1260 } else if (strncmp(custom, "PUSH-BUTTON.indication", 22) == 0) { 1261 /* Some atheros kernels send push button as a wireless event */ 1262 /* PROBLEM! this event is received for ALL BSSs ... 1263 * so all are enabled for WPS... ugh. 1264 */ 1265 wpa_supplicant_event(drv->hapd, EVENT_WPS_BUTTON_PUSHED, NULL); 1266 #endif /* CONFIG_WPS */ 1267 #if defined(CONFIG_WPS) || defined(CONFIG_IEEE80211R) || defined(CONFIG_HS20) 1268 #define MGMT_FRAM_TAG_SIZE 30 /* hardcoded in driver */ 1269 } else if (strncmp(custom, "Manage.prob_req ", 16) == 0) { 1270 /* 1271 * Atheros driver uses a hack to pass Probe Request frames as a 1272 * binary data in the custom wireless event. The old way (using 1273 * packet sniffing) didn't work when bridging. 1274 * Format: "Manage.prob_req <frame len>" | zero padding | frame 1275 */ 1276 int len = atoi(custom + 16); 1277 if (len < 0 || custom + MGMT_FRAM_TAG_SIZE + len > end) { 1278 wpa_printf(MSG_DEBUG, "Invalid Manage.prob_req event " 1279 "length %d", len); 1280 return; 1281 } 1282 atheros_raw_receive(drv, NULL, 1283 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len); 1284 } else if (strncmp(custom, "Manage.assoc_req ", 17) == 0) { 1285 /* Format: "Manage.assoc_req <frame len>" | zero padding | 1286 * frame */ 1287 int len = atoi(custom + 17); 1288 if (len < 0 || custom + MGMT_FRAM_TAG_SIZE + len > end) { 1289 wpa_printf(MSG_DEBUG, "Invalid Manage.prob_req/" 1290 "assoc_req/auth event length %d", len); 1291 return; 1292 } 1293 atheros_raw_receive(drv, NULL, 1294 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len); 1295 } else if (strncmp(custom, "Manage.action ", 14) == 0) { 1296 /* Format: "Manage.assoc_req <frame len>" | zero padding | 1297 * frame */ 1298 int len = atoi(custom + 14); 1299 if (len < 0 || custom + MGMT_FRAM_TAG_SIZE + len > end) { 1300 wpa_printf(MSG_DEBUG, "Invalid Manage.prob_req/" 1301 "assoc_req/auth event length %d", len); 1302 return; 1303 } 1304 atheros_raw_receive(drv, NULL, 1305 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len); 1306 } else if (strncmp(custom, "Manage.auth ", 12) == 0) { 1307 /* Format: "Manage.auth <frame len>" | zero padding | frame 1308 */ 1309 int len = atoi(custom + 12); 1310 if (len < 0 || custom + MGMT_FRAM_TAG_SIZE + len > end) { 1311 wpa_printf(MSG_DEBUG, "Invalid Manage.prob_req/" 1312 "assoc_req/auth event length %d", len); 1313 return; 1314 } 1315 atheros_raw_receive(drv, NULL, 1316 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len); 1317 #endif /* CONFIG_WPS or CONFIG_IEEE80211R */ 1318 } 1319 } 1320 1321 /* 1322 * Handle size of data problem. WEXT only allows data of 256 bytes for custom 1323 * events, and p2p data can be much bigger. So the athr driver sends a small 1324 * event telling me to collect the big data with an ioctl. 1325 * On the first event, send all pending events to supplicant. 1326 */ 1327 static void fetch_pending_big_events(struct atheros_driver_data *drv) 1328 { 1329 union wpa_event_data event; 1330 const struct ieee80211_mgmt *mgmt; 1331 u8 tbuf[IW_PRIV_SIZE_MASK]; /* max size is 2047 bytes */ 1332 u16 fc, stype; 1333 struct iwreq iwr; 1334 size_t data_len; 1335 u32 freq, frame_type; 1336 1337 while (1) { 1338 os_memset(&iwr, 0, sizeof(iwr)); 1339 os_strncpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1340 1341 iwr.u.data.pointer = (void *) tbuf; 1342 iwr.u.data.length = sizeof(tbuf); 1343 iwr.u.data.flags = IEEE80211_IOC_P2P_FETCH_FRAME; 1344 1345 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_P2P_BIG_PARAM, &iwr) 1346 < 0) { 1347 if (errno == ENOSPC) { 1348 wpa_printf(MSG_DEBUG, "%s:%d exit", 1349 __func__, __LINE__); 1350 return; 1351 } 1352 wpa_printf(MSG_DEBUG, "athr: %s: P2P_BIG_PARAM[" 1353 "P2P_FETCH_FRAME] failed: %s", 1354 __func__, strerror(errno)); 1355 return; 1356 } 1357 data_len = iwr.u.data.length; 1358 wpa_hexdump(MSG_DEBUG, "athr: P2P_FETCH_FRAME data", 1359 (u8 *) tbuf, data_len); 1360 if (data_len < sizeof(freq) + sizeof(frame_type) + 24) { 1361 wpa_printf(MSG_DEBUG, "athr: frame too short"); 1362 continue; 1363 } 1364 os_memcpy(&freq, tbuf, sizeof(freq)); 1365 os_memcpy(&frame_type, &tbuf[sizeof(freq)], 1366 sizeof(frame_type)); 1367 mgmt = (void *) &tbuf[sizeof(freq) + sizeof(frame_type)]; 1368 data_len -= sizeof(freq) + sizeof(frame_type); 1369 1370 if (frame_type == IEEE80211_EV_RX_MGMT) { 1371 fc = le_to_host16(mgmt->frame_control); 1372 stype = WLAN_FC_GET_STYPE(fc); 1373 1374 wpa_printf(MSG_DEBUG, "athr: EV_RX_MGMT stype=%u " 1375 "freq=%u len=%u", stype, freq, (int) data_len); 1376 1377 if (stype == WLAN_FC_STYPE_ACTION) { 1378 os_memset(&event, 0, sizeof(event)); 1379 event.rx_mgmt.frame = (const u8 *) mgmt; 1380 event.rx_mgmt.frame_len = data_len; 1381 wpa_supplicant_event(drv->hapd, EVENT_RX_MGMT, 1382 &event); 1383 continue; 1384 } 1385 } else { 1386 wpa_printf(MSG_DEBUG, "athr: %s unknown type %d", 1387 __func__, frame_type); 1388 continue; 1389 } 1390 } 1391 } 1392 1393 static void 1394 atheros_wireless_event_atheros_custom(struct atheros_driver_data *drv, 1395 int opcode, char *buf, int len) 1396 { 1397 switch (opcode) { 1398 case IEEE80211_EV_RX_MGMT: 1399 wpa_printf(MSG_DEBUG, "WEXT: EV_RX_MGMT"); 1400 fetch_pending_big_events(drv); 1401 break; 1402 default: 1403 break; 1404 } 1405 } 1406 1407 static void 1408 atheros_wireless_event_wireless(struct atheros_driver_data *drv, 1409 char *data, int len) 1410 { 1411 struct iw_event iwe_buf, *iwe = &iwe_buf; 1412 char *pos, *end, *custom, *buf; 1413 1414 pos = data; 1415 end = data + len; 1416 1417 while (pos + IW_EV_LCP_LEN <= end) { 1418 /* Event data may be unaligned, so make a local, aligned copy 1419 * before processing. */ 1420 memcpy(&iwe_buf, pos, IW_EV_LCP_LEN); 1421 wpa_printf(MSG_MSGDUMP, "Wireless event: cmd=0x%x len=%d", 1422 iwe->cmd, iwe->len); 1423 if (iwe->len <= IW_EV_LCP_LEN) 1424 return; 1425 1426 custom = pos + IW_EV_POINT_LEN; 1427 if (drv->we_version > 18 && 1428 (iwe->cmd == IWEVMICHAELMICFAILURE || 1429 iwe->cmd == IWEVASSOCREQIE || 1430 iwe->cmd == IWEVCUSTOM)) { 1431 /* WE-19 removed the pointer from struct iw_point */ 1432 char *dpos = (char *) &iwe_buf.u.data.length; 1433 int dlen = dpos - (char *) &iwe_buf; 1434 memcpy(dpos, pos + IW_EV_LCP_LEN, 1435 sizeof(struct iw_event) - dlen); 1436 } else { 1437 memcpy(&iwe_buf, pos, sizeof(struct iw_event)); 1438 custom += IW_EV_POINT_OFF; 1439 } 1440 1441 switch (iwe->cmd) { 1442 case IWEVEXPIRED: 1443 drv_event_disassoc(drv->hapd, 1444 (u8 *) iwe->u.addr.sa_data); 1445 break; 1446 case IWEVREGISTERED: 1447 atheros_new_sta(drv, (u8 *) iwe->u.addr.sa_data); 1448 break; 1449 case IWEVASSOCREQIE: 1450 /* Driver hack.. Use IWEVASSOCREQIE to bypass 1451 * IWEVCUSTOM size limitations. Need to handle this 1452 * just like IWEVCUSTOM. 1453 */ 1454 case IWEVCUSTOM: 1455 if (custom + iwe->u.data.length > end) 1456 return; 1457 buf = malloc(iwe->u.data.length + 1); 1458 if (buf == NULL) 1459 return; /* XXX */ 1460 memcpy(buf, custom, iwe->u.data.length); 1461 buf[iwe->u.data.length] = '\0'; 1462 1463 if (iwe->u.data.flags != 0) { 1464 atheros_wireless_event_atheros_custom( 1465 drv, (int) iwe->u.data.flags, 1466 buf, len); 1467 } else { 1468 atheros_wireless_event_wireless_custom( 1469 drv, buf, buf + iwe->u.data.length); 1470 } 1471 free(buf); 1472 break; 1473 } 1474 1475 pos += iwe->len; 1476 } 1477 } 1478 1479 1480 static void 1481 atheros_wireless_event_rtm_newlink(void *ctx, 1482 struct ifinfomsg *ifi, u8 *buf, size_t len) 1483 { 1484 struct atheros_driver_data *drv = ctx; 1485 int attrlen, rta_len; 1486 struct rtattr *attr; 1487 1488 if (ifi->ifi_index != drv->ifindex) 1489 return; 1490 1491 attrlen = len; 1492 attr = (struct rtattr *) buf; 1493 1494 rta_len = RTA_ALIGN(sizeof(struct rtattr)); 1495 while (RTA_OK(attr, attrlen)) { 1496 if (attr->rta_type == IFLA_WIRELESS) { 1497 atheros_wireless_event_wireless( 1498 drv, ((char *) attr) + rta_len, 1499 attr->rta_len - rta_len); 1500 } 1501 attr = RTA_NEXT(attr, attrlen); 1502 } 1503 } 1504 1505 1506 static int 1507 atheros_get_we_version(struct atheros_driver_data *drv) 1508 { 1509 struct iw_range *range; 1510 struct iwreq iwr; 1511 int minlen; 1512 size_t buflen; 1513 1514 drv->we_version = 0; 1515 1516 /* 1517 * Use larger buffer than struct iw_range in order to allow the 1518 * structure to grow in the future. 1519 */ 1520 buflen = sizeof(struct iw_range) + 500; 1521 range = os_zalloc(buflen); 1522 if (range == NULL) 1523 return -1; 1524 1525 memset(&iwr, 0, sizeof(iwr)); 1526 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1527 iwr.u.data.pointer = (caddr_t) range; 1528 iwr.u.data.length = buflen; 1529 1530 minlen = ((char *) &range->enc_capa) - (char *) range + 1531 sizeof(range->enc_capa); 1532 1533 if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) { 1534 perror("ioctl[SIOCGIWRANGE]"); 1535 free(range); 1536 return -1; 1537 } else if (iwr.u.data.length >= minlen && 1538 range->we_version_compiled >= 18) { 1539 wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d " 1540 "WE(source)=%d enc_capa=0x%x", 1541 range->we_version_compiled, 1542 range->we_version_source, 1543 range->enc_capa); 1544 drv->we_version = range->we_version_compiled; 1545 } 1546 1547 os_free(range); 1548 return 0; 1549 } 1550 1551 1552 static int 1553 atheros_wireless_event_init(struct atheros_driver_data *drv) 1554 { 1555 struct netlink_config *cfg; 1556 1557 atheros_get_we_version(drv); 1558 1559 cfg = os_zalloc(sizeof(*cfg)); 1560 if (cfg == NULL) 1561 return -1; 1562 cfg->ctx = drv; 1563 cfg->newlink_cb = atheros_wireless_event_rtm_newlink; 1564 drv->netlink = netlink_init(cfg); 1565 if (drv->netlink == NULL) { 1566 os_free(cfg); 1567 return -1; 1568 } 1569 1570 return 0; 1571 } 1572 1573 1574 static int 1575 atheros_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len, 1576 int encrypt, const u8 *own_addr, u32 flags) 1577 { 1578 struct atheros_driver_data *drv = priv; 1579 unsigned char buf[3000]; 1580 unsigned char *bp = buf; 1581 struct l2_ethhdr *eth; 1582 size_t len; 1583 int status; 1584 1585 /* 1586 * Prepend the Ethernet header. If the caller left us 1587 * space at the front we could just insert it but since 1588 * we don't know we copy to a local buffer. Given the frequency 1589 * and size of frames this probably doesn't matter. 1590 */ 1591 len = data_len + sizeof(struct l2_ethhdr); 1592 if (len > sizeof(buf)) { 1593 bp = malloc(len); 1594 if (bp == NULL) { 1595 printf("EAPOL frame discarded, cannot malloc temp " 1596 "buffer of size %lu!\n", (unsigned long) len); 1597 return -1; 1598 } 1599 } 1600 eth = (struct l2_ethhdr *) bp; 1601 memcpy(eth->h_dest, addr, ETH_ALEN); 1602 memcpy(eth->h_source, own_addr, ETH_ALEN); 1603 eth->h_proto = host_to_be16(ETH_P_EAPOL); 1604 memcpy(eth+1, data, data_len); 1605 1606 wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len); 1607 1608 status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len); 1609 1610 if (bp != buf) 1611 free(bp); 1612 return status; 1613 } 1614 1615 static void 1616 handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len) 1617 { 1618 struct atheros_driver_data *drv = ctx; 1619 drv_event_eapol_rx(drv->hapd, src_addr, buf + sizeof(struct l2_ethhdr), 1620 len - sizeof(struct l2_ethhdr)); 1621 } 1622 1623 static void * 1624 atheros_init(struct hostapd_data *hapd, struct wpa_init_params *params) 1625 { 1626 struct atheros_driver_data *drv; 1627 struct ifreq ifr; 1628 struct iwreq iwr; 1629 char brname[IFNAMSIZ]; 1630 1631 drv = os_zalloc(sizeof(struct atheros_driver_data)); 1632 if (drv == NULL) { 1633 printf("Could not allocate memory for atheros driver data\n"); 1634 return NULL; 1635 } 1636 1637 drv->hapd = hapd; 1638 drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0); 1639 if (drv->ioctl_sock < 0) { 1640 perror("socket[PF_INET,SOCK_DGRAM]"); 1641 goto bad; 1642 } 1643 memcpy(drv->iface, params->ifname, sizeof(drv->iface)); 1644 1645 memset(&ifr, 0, sizeof(ifr)); 1646 os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name)); 1647 if (ioctl(drv->ioctl_sock, SIOCGIFINDEX, &ifr) != 0) { 1648 perror("ioctl(SIOCGIFINDEX)"); 1649 goto bad; 1650 } 1651 drv->ifindex = ifr.ifr_ifindex; 1652 1653 drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL, 1654 handle_read, drv, 1); 1655 if (drv->sock_xmit == NULL) 1656 goto bad; 1657 if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr)) 1658 goto bad; 1659 if (params->bridge[0]) { 1660 wpa_printf(MSG_DEBUG, "Configure bridge %s for EAPOL traffic.", 1661 params->bridge[0]); 1662 drv->sock_recv = l2_packet_init(params->bridge[0], NULL, 1663 ETH_P_EAPOL, handle_read, drv, 1664 1); 1665 if (drv->sock_recv == NULL) 1666 goto bad; 1667 } else if (linux_br_get(brname, drv->iface) == 0) { 1668 wpa_printf(MSG_DEBUG, "Interface in bridge %s; configure for " 1669 "EAPOL receive", brname); 1670 drv->sock_recv = l2_packet_init(brname, NULL, ETH_P_EAPOL, 1671 handle_read, drv, 1); 1672 if (drv->sock_recv == NULL) 1673 goto bad; 1674 } else 1675 drv->sock_recv = drv->sock_xmit; 1676 1677 memset(&iwr, 0, sizeof(iwr)); 1678 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1679 1680 iwr.u.mode = IW_MODE_MASTER; 1681 1682 if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) < 0) { 1683 perror("ioctl[SIOCSIWMODE]"); 1684 printf("Could not set interface to master mode!\n"); 1685 goto bad; 1686 } 1687 1688 /* mark down during setup */ 1689 linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0); 1690 atheros_set_privacy(drv, 0); /* default to no privacy */ 1691 1692 atheros_receive_pkt(drv); 1693 1694 if (atheros_wireless_event_init(drv)) 1695 goto bad; 1696 1697 return drv; 1698 bad: 1699 if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit) 1700 l2_packet_deinit(drv->sock_recv); 1701 if (drv->sock_xmit != NULL) 1702 l2_packet_deinit(drv->sock_xmit); 1703 if (drv->ioctl_sock >= 0) 1704 close(drv->ioctl_sock); 1705 if (drv != NULL) 1706 free(drv); 1707 return NULL; 1708 } 1709 1710 1711 static void 1712 atheros_deinit(void *priv) 1713 { 1714 struct atheros_driver_data *drv = priv; 1715 1716 atheros_reset_appfilter(drv); 1717 netlink_deinit(drv->netlink); 1718 (void) linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0); 1719 if (drv->ioctl_sock >= 0) 1720 close(drv->ioctl_sock); 1721 if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit) 1722 l2_packet_deinit(drv->sock_recv); 1723 if (drv->sock_xmit != NULL) 1724 l2_packet_deinit(drv->sock_xmit); 1725 if (drv->sock_raw) 1726 l2_packet_deinit(drv->sock_raw); 1727 wpabuf_free(drv->wpa_ie); 1728 wpabuf_free(drv->wps_beacon_ie); 1729 wpabuf_free(drv->wps_probe_resp_ie); 1730 free(drv); 1731 } 1732 1733 static int 1734 atheros_set_ssid(void *priv, const u8 *buf, int len) 1735 { 1736 struct atheros_driver_data *drv = priv; 1737 struct iwreq iwr; 1738 1739 memset(&iwr, 0, sizeof(iwr)); 1740 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1741 iwr.u.essid.flags = 1; /* SSID active */ 1742 iwr.u.essid.pointer = (caddr_t) buf; 1743 iwr.u.essid.length = len + 1; 1744 1745 if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) { 1746 perror("ioctl[SIOCSIWESSID]"); 1747 printf("len=%d\n", len); 1748 return -1; 1749 } 1750 return 0; 1751 } 1752 1753 static int 1754 atheros_get_ssid(void *priv, u8 *buf, int len) 1755 { 1756 struct atheros_driver_data *drv = priv; 1757 struct iwreq iwr; 1758 int ret = 0; 1759 1760 memset(&iwr, 0, sizeof(iwr)); 1761 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1762 iwr.u.essid.pointer = (caddr_t) buf; 1763 iwr.u.essid.length = (len > IW_ESSID_MAX_SIZE) ? 1764 IW_ESSID_MAX_SIZE : len; 1765 1766 if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) { 1767 perror("ioctl[SIOCGIWESSID]"); 1768 ret = -1; 1769 } else 1770 ret = iwr.u.essid.length; 1771 1772 return ret; 1773 } 1774 1775 static int 1776 atheros_set_countermeasures(void *priv, int enabled) 1777 { 1778 struct atheros_driver_data *drv = priv; 1779 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled); 1780 return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled); 1781 } 1782 1783 static int 1784 atheros_commit(void *priv) 1785 { 1786 struct atheros_driver_data *drv = priv; 1787 return linux_set_iface_flags(drv->ioctl_sock, drv->iface, 1); 1788 } 1789 1790 static int atheros_set_authmode(void *priv, int auth_algs) 1791 { 1792 int authmode; 1793 1794 if ((auth_algs & WPA_AUTH_ALG_OPEN) && 1795 (auth_algs & WPA_AUTH_ALG_SHARED)) 1796 authmode = IEEE80211_AUTH_AUTO; 1797 else if (auth_algs & WPA_AUTH_ALG_OPEN) 1798 authmode = IEEE80211_AUTH_OPEN; 1799 else if (auth_algs & WPA_AUTH_ALG_SHARED) 1800 authmode = IEEE80211_AUTH_SHARED; 1801 else 1802 return -1; 1803 1804 return set80211param(priv, IEEE80211_PARAM_AUTHMODE, authmode); 1805 } 1806 1807 static int atheros_set_ap(void *priv, struct wpa_driver_ap_params *params) 1808 { 1809 /* 1810 * TODO: Use this to replace set_authmode, set_privacy, set_ieee8021x, 1811 * set_generic_elem, and hapd_set_ssid. 1812 */ 1813 1814 wpa_printf(MSG_DEBUG, "atheros: set_ap - pairwise_ciphers=0x%x " 1815 "group_cipher=0x%x key_mgmt_suites=0x%x auth_algs=0x%x " 1816 "wpa_version=0x%x privacy=%d interworking=%d", 1817 params->pairwise_ciphers, params->group_cipher, 1818 params->key_mgmt_suites, params->auth_algs, 1819 params->wpa_version, params->privacy, params->interworking); 1820 wpa_hexdump_ascii(MSG_DEBUG, "atheros: SSID", 1821 params->ssid, params->ssid_len); 1822 if (params->hessid) 1823 wpa_printf(MSG_DEBUG, "atheros: HESSID " MACSTR, 1824 MAC2STR(params->hessid)); 1825 wpa_hexdump_buf(MSG_DEBUG, "atheros: beacon_ies", 1826 params->beacon_ies); 1827 wpa_hexdump_buf(MSG_DEBUG, "atheros: proberesp_ies", 1828 params->proberesp_ies); 1829 wpa_hexdump_buf(MSG_DEBUG, "atheros: assocresp_ies", 1830 params->assocresp_ies); 1831 1832 return 0; 1833 } 1834 1835 1836 #ifdef CONFIG_IEEE80211R 1837 1838 static int atheros_send_mgmt(void *priv, const u8 *frm, size_t data_len, 1839 int noack) 1840 { 1841 struct atheros_driver_data *drv = priv; 1842 u8 buf[1510]; 1843 const struct ieee80211_mgmt *mgmt; 1844 struct ieee80211req_mgmtbuf *mgmt_frm; 1845 1846 mgmt = (const struct ieee80211_mgmt *) frm; 1847 wpa_printf(MSG_DEBUG, "%s frmlen = %lu " MACSTR, __func__, 1848 (unsigned long) data_len, MAC2STR(mgmt->da)); 1849 mgmt_frm = (struct ieee80211req_mgmtbuf *) buf; 1850 memcpy(mgmt_frm->macaddr, (u8 *)mgmt->da, IEEE80211_ADDR_LEN); 1851 mgmt_frm->buflen = data_len; 1852 if (&mgmt_frm->buf[0] + data_len > buf + sizeof(buf)) { 1853 wpa_printf(MSG_INFO, "atheros: Too long frame for " 1854 "atheros_send_mgmt (%u)", (unsigned int) data_len); 1855 return -1; 1856 } 1857 os_memcpy(&mgmt_frm->buf[0], frm, data_len); 1858 return set80211priv(drv, IEEE80211_IOCTL_SEND_MGMT, mgmt_frm, 1859 sizeof(struct ieee80211req_mgmtbuf) + data_len); 1860 } 1861 1862 1863 static int atheros_add_tspec(void *priv, const u8 *addr, u8 *tspec_ie, 1864 size_t tspec_ielen) 1865 { 1866 struct atheros_driver_data *drv = priv; 1867 int retv; 1868 struct ieee80211req_res req; 1869 struct ieee80211req_res_addts *addts = &req.u.addts; 1870 1871 wpa_printf(MSG_DEBUG, "%s", __func__); 1872 req.type = IEEE80211_RESREQ_ADDTS; 1873 os_memcpy(&req.macaddr[0], addr, IEEE80211_ADDR_LEN); 1874 os_memcpy(addts->tspecie, tspec_ie, tspec_ielen); 1875 retv = set80211priv(drv, IEEE80211_IOCTL_RES_REQ, &req, 1876 sizeof(struct ieee80211req_res)); 1877 if (retv < 0) { 1878 wpa_printf(MSG_DEBUG, "%s IEEE80211_IOCTL_RES_REQ FAILED " 1879 "retv = %d", __func__, retv); 1880 return -1; 1881 } 1882 os_memcpy(tspec_ie, addts->tspecie, tspec_ielen); 1883 return addts->status; 1884 } 1885 1886 1887 static int atheros_add_sta_node(void *priv, const u8 *addr, u16 auth_alg) 1888 { 1889 struct atheros_driver_data *drv = priv; 1890 struct ieee80211req_res req; 1891 struct ieee80211req_res_addnode *addnode = &req.u.addnode; 1892 1893 wpa_printf(MSG_DEBUG, "%s", __func__); 1894 req.type = IEEE80211_RESREQ_ADDNODE; 1895 os_memcpy(&req.macaddr[0], addr, IEEE80211_ADDR_LEN); 1896 addnode->auth_alg = auth_alg; 1897 return set80211priv(drv, IEEE80211_IOCTL_RES_REQ, &req, 1898 sizeof(struct ieee80211req_res)); 1899 } 1900 1901 #endif /* CONFIG_IEEE80211R */ 1902 1903 1904 /* Use only to set a big param, get will not work. */ 1905 static int 1906 set80211big(struct atheros_driver_data *drv, int op, const void *data, int len) 1907 { 1908 struct iwreq iwr; 1909 1910 os_memset(&iwr, 0, sizeof(iwr)); 1911 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1912 1913 iwr.u.data.pointer = (void *) data; 1914 iwr.u.data.length = len; 1915 iwr.u.data.flags = op; 1916 wpa_printf(MSG_DEBUG, "%s: op=0x%x=%d (%s) len=0x%x", 1917 __func__, op, op, athr_get_param_name(op), len); 1918 1919 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_P2P_BIG_PARAM, &iwr) < 0) { 1920 wpa_printf(MSG_DEBUG, "%s: op=0x%x (%s) subop=0x%x=%d " 1921 "value=0x%x,0x%x failed: %d (%s)", 1922 __func__, op, athr_get_ioctl_name(op), iwr.u.mode, 1923 iwr.u.mode, iwr.u.data.length, 1924 iwr.u.data.flags, errno, strerror(errno)); 1925 return -1; 1926 } 1927 return 0; 1928 } 1929 1930 1931 static int atheros_send_action(void *priv, unsigned int freq, 1932 unsigned int wait, 1933 const u8 *dst, const u8 *src, 1934 const u8 *bssid, 1935 const u8 *data, size_t data_len, int no_cck) 1936 { 1937 struct atheros_driver_data *drv = priv; 1938 struct ieee80211_p2p_send_action *act; 1939 int res; 1940 1941 act = os_zalloc(sizeof(*act) + data_len); 1942 if (act == NULL) 1943 return -1; 1944 act->freq = freq; 1945 os_memcpy(act->dst_addr, dst, ETH_ALEN); 1946 os_memcpy(act->src_addr, src, ETH_ALEN); 1947 os_memcpy(act->bssid, bssid, ETH_ALEN); 1948 os_memcpy(act + 1, data, data_len); 1949 wpa_printf(MSG_DEBUG, "%s: freq=%d, wait=%u, dst=" MACSTR ", src=" 1950 MACSTR ", bssid=" MACSTR, 1951 __func__, act->freq, wait, MAC2STR(act->dst_addr), 1952 MAC2STR(act->src_addr), MAC2STR(act->bssid)); 1953 wpa_hexdump(MSG_MSGDUMP, "athr: act", (u8 *) act, sizeof(*act)); 1954 wpa_hexdump(MSG_MSGDUMP, "athr: data", data, data_len); 1955 1956 res = set80211big(drv, IEEE80211_IOC_P2P_SEND_ACTION, 1957 act, sizeof(*act) + data_len); 1958 os_free(act); 1959 return res; 1960 } 1961 1962 1963 #ifdef CONFIG_IEEE80211V 1964 static int athr_wnm_tfs(struct atheros_driver_data *drv, const u8* peer, 1965 u8 *ie, u16 *len, enum wnm_oper oper) 1966 { 1967 #define IEEE80211_APPIE_MAX 1024 /* max appie buffer size */ 1968 u8 buf[IEEE80211_APPIE_MAX]; 1969 struct ieee80211req_getset_appiebuf *tfs_ie; 1970 u16 val; 1971 1972 wpa_printf(MSG_DEBUG, "atheros: ifname=%s, WNM TFS IE oper=%d " MACSTR, 1973 drv->iface, oper, MAC2STR(peer)); 1974 1975 switch (oper) { 1976 case WNM_SLEEP_TFS_REQ_IE_SET: 1977 if (*len > IEEE80211_APPIE_MAX - 1978 sizeof(struct ieee80211req_getset_appiebuf)) { 1979 wpa_printf(MSG_DEBUG, "TFS Req IE(s) too large"); 1980 return -1; 1981 } 1982 tfs_ie = (struct ieee80211req_getset_appiebuf *) buf; 1983 tfs_ie->app_frmtype = IEEE80211_APPIE_FRAME_WNM; 1984 tfs_ie->app_buflen = ETH_ALEN + 2 + 2 + *len; 1985 1986 /* Command header for driver */ 1987 os_memcpy(&(tfs_ie->app_buf[0]), peer, ETH_ALEN); 1988 val = oper; 1989 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN, &val, 2); 1990 val = *len; 1991 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2, &val, 2); 1992 1993 /* copy the ie */ 1994 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2 + 2, ie, *len); 1995 1996 if (set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, tfs_ie, 1997 IEEE80211_APPIE_MAX)) { 1998 wpa_printf(MSG_DEBUG, "%s: Failed to set WNM TFS IE: " 1999 "%s", __func__, strerror(errno)); 2000 return -1; 2001 } 2002 break; 2003 case WNM_SLEEP_TFS_RESP_IE_ADD: 2004 tfs_ie = (struct ieee80211req_getset_appiebuf *) buf; 2005 tfs_ie->app_frmtype = IEEE80211_APPIE_FRAME_WNM; 2006 tfs_ie->app_buflen = IEEE80211_APPIE_MAX - 2007 sizeof(struct ieee80211req_getset_appiebuf); 2008 /* Command header for driver */ 2009 os_memcpy(&(tfs_ie->app_buf[0]), peer, ETH_ALEN); 2010 val = oper; 2011 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN, &val, 2); 2012 val = 0; 2013 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2, &val, 2); 2014 2015 if (set80211priv(drv, IEEE80211_IOCTL_GET_APPIEBUF, tfs_ie, 2016 IEEE80211_APPIE_MAX)) { 2017 wpa_printf(MSG_DEBUG, "%s: Failed to get WNM TFS IE: " 2018 "%s", __func__, strerror(errno)); 2019 return -1; 2020 } 2021 2022 *len = tfs_ie->app_buflen; 2023 os_memcpy(ie, &(tfs_ie->app_buf[0]), *len); 2024 wpa_printf(MSG_DEBUG, "atheros: %c len=%d", tfs_ie->app_buf[0], 2025 *len); 2026 break; 2027 case WNM_SLEEP_TFS_RESP_IE_NONE: 2028 *len = 0; 2029 break; 2030 case WNM_SLEEP_TFS_IE_DEL: 2031 tfs_ie = (struct ieee80211req_getset_appiebuf *) buf; 2032 tfs_ie->app_frmtype = IEEE80211_APPIE_FRAME_WNM; 2033 tfs_ie->app_buflen = IEEE80211_APPIE_MAX - 2034 sizeof(struct ieee80211req_getset_appiebuf); 2035 /* Command header for driver */ 2036 os_memcpy(&(tfs_ie->app_buf[0]), peer, ETH_ALEN); 2037 val = oper; 2038 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN, &val, 2); 2039 val = 0; 2040 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2, &val, 2); 2041 2042 if (set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, tfs_ie, 2043 IEEE80211_APPIE_MAX)) { 2044 wpa_printf(MSG_DEBUG, "%s: Failed to set WNM TFS IE: " 2045 "%s", __func__, strerror(errno)); 2046 return -1; 2047 } 2048 break; 2049 default: 2050 wpa_printf(MSG_DEBUG, "Unsupported TFS oper %d", oper); 2051 break; 2052 } 2053 2054 return 0; 2055 } 2056 2057 2058 static int atheros_wnm_sleep(struct atheros_driver_data *drv, 2059 const u8 *peer, enum wnm_oper oper) 2060 { 2061 u8 *data, *pos; 2062 size_t dlen; 2063 int ret; 2064 u16 val; 2065 2066 wpa_printf(MSG_DEBUG, "atheros: WNM-Sleep Oper %d, " MACSTR, 2067 oper, MAC2STR(peer)); 2068 2069 dlen = ETH_ALEN + 2 + 2; 2070 data = os_malloc(dlen); 2071 if (data == NULL) 2072 return -1; 2073 2074 /* Command header for driver */ 2075 pos = data; 2076 os_memcpy(pos, peer, ETH_ALEN); 2077 pos += ETH_ALEN; 2078 2079 val = oper; 2080 os_memcpy(pos, &val, 2); 2081 pos += 2; 2082 2083 val = 0; 2084 os_memcpy(pos, &val, 2); 2085 2086 ret = atheros_set_wps_ie(drv, data, dlen, IEEE80211_APPIE_FRAME_WNM); 2087 2088 os_free(data); 2089 2090 return ret; 2091 } 2092 2093 2094 static int atheros_wnm_oper(void *priv, enum wnm_oper oper, const u8 *peer, 2095 u8 *buf, u16 *buf_len) 2096 { 2097 struct atheros_driver_data *drv = priv; 2098 2099 switch (oper) { 2100 case WNM_SLEEP_ENTER_CONFIRM: 2101 case WNM_SLEEP_ENTER_FAIL: 2102 case WNM_SLEEP_EXIT_CONFIRM: 2103 case WNM_SLEEP_EXIT_FAIL: 2104 return atheros_wnm_sleep(drv, peer, oper); 2105 case WNM_SLEEP_TFS_REQ_IE_SET: 2106 case WNM_SLEEP_TFS_RESP_IE_ADD: 2107 case WNM_SLEEP_TFS_RESP_IE_NONE: 2108 case WNM_SLEEP_TFS_IE_DEL: 2109 return athr_wnm_tfs(drv, peer, buf, buf_len, oper); 2110 default: 2111 wpa_printf(MSG_DEBUG, "atheros: Unsupported WNM operation %d", 2112 oper); 2113 return -1; 2114 } 2115 } 2116 #endif /* CONFIG_IEEE80211V */ 2117 2118 2119 const struct wpa_driver_ops wpa_driver_atheros_ops = { 2120 .name = "atheros", 2121 .hapd_init = atheros_init, 2122 .hapd_deinit = atheros_deinit, 2123 .set_ieee8021x = atheros_set_ieee8021x, 2124 .set_privacy = atheros_set_privacy, 2125 .set_key = atheros_set_key, 2126 .get_seqnum = atheros_get_seqnum, 2127 .flush = atheros_flush, 2128 .set_generic_elem = atheros_set_opt_ie, 2129 .sta_set_flags = atheros_sta_set_flags, 2130 .read_sta_data = atheros_read_sta_driver_data, 2131 .hapd_send_eapol = atheros_send_eapol, 2132 .sta_disassoc = atheros_sta_disassoc, 2133 .sta_deauth = atheros_sta_deauth, 2134 .hapd_set_ssid = atheros_set_ssid, 2135 .hapd_get_ssid = atheros_get_ssid, 2136 .set_countermeasures = atheros_set_countermeasures, 2137 .sta_clear_stats = atheros_sta_clear_stats, 2138 .commit = atheros_commit, 2139 .set_ap_wps_ie = atheros_set_ap_wps_ie, 2140 .set_authmode = atheros_set_authmode, 2141 .set_ap = atheros_set_ap, 2142 #ifdef CONFIG_IEEE80211R 2143 .sta_assoc = atheros_sta_assoc, 2144 .sta_auth = atheros_sta_auth, 2145 .send_mlme = atheros_send_mgmt, 2146 .add_tspec = atheros_add_tspec, 2147 .add_sta_node = atheros_add_sta_node, 2148 #endif /* CONFIG_IEEE80211R */ 2149 .send_action = atheros_send_action, 2150 #ifdef CONFIG_IEEE80211V 2151 .wnm_oper = atheros_wnm_oper, 2152 #endif /* CONFIG_IEEE80211V */ 2153 }; 2154
