1 // SPDX-License-Identifier: GPL-2.0 2 /****************************************************************************** 3 4 Copyright(c) 2004 Intel Corporation. All rights reserved. 5 6 Portions of this file are based on the WEP enablement code provided by the 7 Host AP project hostap-drivers v0.1.3 8 Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen 9 <jkmaline@cc.hut.fi> 10 Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi> 11 12 Contact Information: 13 James P. Ketrenos <ipw2100-admin@linux.intel.com> 14 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 15 16 ******************************************************************************/ 17 #include <linux/wireless.h> 18 #include <linux/kmod.h> 19 #include <linux/slab.h> 20 #include <linux/module.h> 21 22 #include "ieee80211.h" 23 struct modes_unit { 24 char *mode_string; 25 int mode_size; 26 }; 27 static struct modes_unit ieee80211_modes[] = { 28 {"a", 1}, 29 {"b", 1}, 30 {"g", 1}, 31 {"?", 1}, 32 {"N-24G", 5}, 33 {"N-5G", 4}, 34 }; 35 36 #define iwe_stream_add_event_rsl iwe_stream_add_event 37 38 #define MAX_CUSTOM_LEN 64 39 static inline char *rtl819x_translate_scan(struct ieee80211_device *ieee, 40 char *start, char *stop, 41 struct ieee80211_network *network, 42 struct iw_request_info *info) 43 { 44 char custom[MAX_CUSTOM_LEN]; 45 char proto_name[IFNAMSIZ]; 46 char *pname = proto_name; 47 char *p; 48 struct iw_event iwe; 49 int i, j; 50 u16 max_rate, rate; 51 static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; 52 53 /* First entry *MUST* be the AP MAC address */ 54 iwe.cmd = SIOCGIWAP; 55 iwe.u.ap_addr.sa_family = ARPHRD_ETHER; 56 memcpy(iwe.u.ap_addr.sa_data, network->bssid, ETH_ALEN); 57 start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_ADDR_LEN); 58 /* Remaining entries will be displayed in the order we provide them */ 59 60 /* Add the ESSID */ 61 iwe.cmd = SIOCGIWESSID; 62 iwe.u.data.flags = 1; 63 // if (network->flags & NETWORK_EMPTY_ESSID) { 64 if (network->ssid_len == 0) { 65 iwe.u.data.length = sizeof("<hidden>"); 66 start = iwe_stream_add_point(info, start, stop, &iwe, "<hidden>"); 67 } else { 68 iwe.u.data.length = min(network->ssid_len, (u8)32); 69 start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid); 70 } 71 /* Add the protocol name */ 72 iwe.cmd = SIOCGIWNAME; 73 for (i = 0; i < ARRAY_SIZE(ieee80211_modes); i++) { 74 if (network->mode & BIT(i)) { 75 sprintf(pname, ieee80211_modes[i].mode_string, ieee80211_modes[i].mode_size); 76 pname += ieee80211_modes[i].mode_size; 77 } 78 } 79 *pname = '\0'; 80 snprintf(iwe.u.name, IFNAMSIZ, "IEEE802.11%s", proto_name); 81 start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_CHAR_LEN); 82 /* Add mode */ 83 iwe.cmd = SIOCGIWMODE; 84 if (network->capability & 85 (WLAN_CAPABILITY_BSS | WLAN_CAPABILITY_IBSS)) { 86 if (network->capability & WLAN_CAPABILITY_BSS) 87 iwe.u.mode = IW_MODE_MASTER; 88 else 89 iwe.u.mode = IW_MODE_ADHOC; 90 start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_UINT_LEN); 91 } 92 93 /* Add frequency/channel */ 94 iwe.cmd = SIOCGIWFREQ; 95 /* iwe.u.freq.m = ieee80211_frequency(network->channel, network->mode); 96 iwe.u.freq.e = 3; */ 97 iwe.u.freq.m = network->channel; 98 iwe.u.freq.e = 0; 99 iwe.u.freq.i = 0; 100 start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_FREQ_LEN); 101 /* Add encryption capability */ 102 iwe.cmd = SIOCGIWENCODE; 103 if (network->capability & WLAN_CAPABILITY_PRIVACY) 104 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; 105 else 106 iwe.u.data.flags = IW_ENCODE_DISABLED; 107 iwe.u.data.length = 0; 108 start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid); 109 /* Add basic and extended rates */ 110 max_rate = 0; 111 p = custom; 112 p += scnprintf(p, MAX_CUSTOM_LEN - (p - custom), " Rates (Mb/s): "); 113 for (i = 0, j = 0; i < network->rates_len; ) { 114 if (j < network->rates_ex_len && 115 ((network->rates_ex[j] & 0x7F) < 116 (network->rates[i] & 0x7F))) 117 rate = network->rates_ex[j++] & 0x7F; 118 else 119 rate = network->rates[i++] & 0x7F; 120 if (rate > max_rate) 121 max_rate = rate; 122 p += scnprintf(p, MAX_CUSTOM_LEN - (p - custom), 123 "%d%s ", rate >> 1, (rate & 1) ? ".5" : ""); 124 } 125 for (; j < network->rates_ex_len; j++) { 126 rate = network->rates_ex[j] & 0x7F; 127 p += scnprintf(p, MAX_CUSTOM_LEN - (p - custom), 128 "%d%s ", rate >> 1, (rate & 1) ? ".5" : ""); 129 if (rate > max_rate) 130 max_rate = rate; 131 } 132 133 if (network->mode >= IEEE_N_24G) /* add N rate here */ { 134 struct ht_capability_ele *ht_cap = NULL; 135 bool is40M = false, isShortGI = false; 136 u8 max_mcs = 0; 137 if (!memcmp(network->bssht.bdHTCapBuf, EWC11NHTCap, 4)) 138 ht_cap = (struct ht_capability_ele *)&network->bssht.bdHTCapBuf[4]; 139 else 140 ht_cap = (struct ht_capability_ele *)&network->bssht.bdHTCapBuf[0]; 141 is40M = (ht_cap->ChlWidth) ? 1 : 0; 142 isShortGI = (ht_cap->ChlWidth) ? 143 ((ht_cap->ShortGI40Mhz) ? 1 : 0) : 144 ((ht_cap->ShortGI20Mhz) ? 1 : 0); 145 146 max_mcs = HTGetHighestMCSRate(ieee, ht_cap->MCS, MCS_FILTER_ALL); 147 rate = MCS_DATA_RATE[is40M][isShortGI][max_mcs & 0x7f]; 148 if (rate > max_rate) 149 max_rate = rate; 150 } 151 iwe.cmd = SIOCGIWRATE; 152 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0; 153 iwe.u.bitrate.value = max_rate * 500000; 154 start = iwe_stream_add_event_rsl(info, start, stop, &iwe, 155 IW_EV_PARAM_LEN); 156 iwe.cmd = IWEVCUSTOM; 157 iwe.u.data.length = p - custom; 158 if (iwe.u.data.length) 159 start = iwe_stream_add_point(info, start, stop, &iwe, custom); 160 /* Add quality statistics */ 161 /* TODO: Fix these values... */ 162 iwe.cmd = IWEVQUAL; 163 iwe.u.qual.qual = network->stats.signal; 164 iwe.u.qual.level = network->stats.rssi; 165 iwe.u.qual.noise = network->stats.noise; 166 iwe.u.qual.updated = network->stats.mask & IEEE80211_STATMASK_WEMASK; 167 if (!(network->stats.mask & IEEE80211_STATMASK_RSSI)) 168 iwe.u.qual.updated |= IW_QUAL_LEVEL_INVALID; 169 if (!(network->stats.mask & IEEE80211_STATMASK_NOISE)) 170 iwe.u.qual.updated |= IW_QUAL_NOISE_INVALID; 171 if (!(network->stats.mask & IEEE80211_STATMASK_SIGNAL)) 172 iwe.u.qual.updated |= IW_QUAL_QUAL_INVALID; 173 iwe.u.qual.updated = 7; 174 start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_QUAL_LEN); 175 iwe.cmd = IWEVCUSTOM; 176 p = custom; 177 178 iwe.u.data.length = p - custom; 179 if (iwe.u.data.length) 180 start = iwe_stream_add_point(info, start, stop, &iwe, custom); 181 182 if (ieee->wpa_enabled && network->wpa_ie_len) { 183 char buf[MAX_WPA_IE_LEN * 2 + 30]; 184 // printk("WPA IE\n"); 185 u8 *p = buf; 186 p += sprintf(p, "wpa_ie="); 187 for (i = 0; i < network->wpa_ie_len; i++) 188 p += sprintf(p, "%02x", network->wpa_ie[i]); 189 190 memset(&iwe, 0, sizeof(iwe)); 191 iwe.cmd = IWEVCUSTOM; 192 iwe.u.data.length = strlen(buf); 193 start = iwe_stream_add_point(info, start, stop, &iwe, buf); 194 } 195 196 if (ieee->wpa_enabled && network->rsn_ie_len) { 197 char buf[MAX_WPA_IE_LEN * 2 + 30]; 198 199 u8 *p = buf; 200 p += sprintf(p, "rsn_ie="); 201 for (i = 0; i < network->rsn_ie_len; i++) 202 p += sprintf(p, "%02x", network->rsn_ie[i]); 203 204 memset(&iwe, 0, sizeof(iwe)); 205 iwe.cmd = IWEVCUSTOM; 206 iwe.u.data.length = strlen(buf); 207 start = iwe_stream_add_point(info, start, stop, &iwe, buf); 208 } 209 210 211 /* Add EXTRA: Age to display seconds since last beacon/probe response 212 * for given network. */ 213 iwe.cmd = IWEVCUSTOM; 214 p = custom; 215 p += scnprintf(p, MAX_CUSTOM_LEN - (p - custom), 216 " Last beacon: %lums ago", (jiffies - network->last_scanned) / (HZ / 100)); 217 iwe.u.data.length = p - custom; 218 if (iwe.u.data.length) 219 start = iwe_stream_add_point(info, start, stop, &iwe, custom); 220 221 return start; 222 } 223 224 int ieee80211_wx_get_scan(struct ieee80211_device *ieee, 225 struct iw_request_info *info, 226 union iwreq_data *wrqu, char *extra) 227 { 228 struct ieee80211_network *network; 229 unsigned long flags; 230 231 char *ev = extra; 232 // char *stop = ev + IW_SCAN_MAX_DATA; 233 char *stop = ev + wrqu->data.length;//IW_SCAN_MAX_DATA; 234 //char *stop = ev + IW_SCAN_MAX_DATA; 235 int i = 0; 236 int err = 0; 237 IEEE80211_DEBUG_WX("Getting scan\n"); 238 mutex_lock(&ieee->wx_mutex); 239 spin_lock_irqsave(&ieee->lock, flags); 240 241 list_for_each_entry(network, &ieee->network_list, list) { 242 i++; 243 if ((stop - ev) < 200) { 244 err = -E2BIG; 245 break; 246 } 247 if (ieee->scan_age == 0 || 248 time_after(network->last_scanned + ieee->scan_age, jiffies)) 249 ev = rtl819x_translate_scan(ieee, ev, stop, network, info); 250 else 251 IEEE80211_DEBUG_SCAN( 252 "Not showing network '%s (" 253 "%pM)' due to age (%lums).\n", 254 escape_essid(network->ssid, 255 network->ssid_len), 256 network->bssid, 257 (jiffies - network->last_scanned) / (HZ / 100)); 258 } 259 260 spin_unlock_irqrestore(&ieee->lock, flags); 261 mutex_unlock(&ieee->wx_mutex); 262 wrqu->data.length = ev - extra; 263 wrqu->data.flags = 0; 264 265 IEEE80211_DEBUG_WX("exit: %d networks returned.\n", i); 266 267 return err; 268 } 269 EXPORT_SYMBOL(ieee80211_wx_get_scan); 270 271 int ieee80211_wx_set_encode(struct ieee80211_device *ieee, 272 struct iw_request_info *info, 273 union iwreq_data *wrqu, char *keybuf) 274 { 275 struct iw_point *erq = &(wrqu->encoding); 276 struct net_device *dev = ieee->dev; 277 struct ieee80211_security sec = { 278 .flags = 0 279 }; 280 int i, key, key_provided, len; 281 struct ieee80211_crypt_data **crypt; 282 283 IEEE80211_DEBUG_WX("SET_ENCODE\n"); 284 285 key = erq->flags & IW_ENCODE_INDEX; 286 if (key) { 287 if (key > WEP_KEYS) 288 return -EINVAL; 289 key--; 290 key_provided = 1; 291 } else { 292 key_provided = 0; 293 key = ieee->tx_keyidx; 294 } 295 296 IEEE80211_DEBUG_WX("Key: %d [%s]\n", key, key_provided ? 297 "provided" : "default"); 298 crypt = &ieee->crypt[key]; 299 300 if (erq->flags & IW_ENCODE_DISABLED) { 301 if (key_provided && *crypt) { 302 IEEE80211_DEBUG_WX("Disabling encryption on key %d.\n", 303 key); 304 ieee80211_crypt_delayed_deinit(ieee, crypt); 305 } else 306 IEEE80211_DEBUG_WX("Disabling encryption.\n"); 307 308 /* Check all the keys to see if any are still configured, 309 * and if no key index was provided, de-init them all */ 310 for (i = 0; i < WEP_KEYS; i++) { 311 if (ieee->crypt[i]) { 312 if (key_provided) 313 break; 314 ieee80211_crypt_delayed_deinit( 315 ieee, &ieee->crypt[i]); 316 } 317 } 318 319 if (i == WEP_KEYS) { 320 sec.enabled = 0; 321 sec.level = SEC_LEVEL_0; 322 sec.flags |= SEC_ENABLED | SEC_LEVEL; 323 } 324 325 goto done; 326 } 327 328 329 330 sec.enabled = 1; 331 sec.flags |= SEC_ENABLED; 332 333 if (*crypt && (*crypt)->ops && 334 strcmp((*crypt)->ops->name, "WEP") != 0) { 335 /* changing to use WEP; deinit previously used algorithm 336 * on this key */ 337 ieee80211_crypt_delayed_deinit(ieee, crypt); 338 } 339 340 if (!*crypt) { 341 struct ieee80211_crypt_data *new_crypt; 342 343 /* take WEP into use */ 344 new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data), 345 GFP_KERNEL); 346 if (!new_crypt) 347 return -ENOMEM; 348 new_crypt->ops = try_then_request_module(ieee80211_get_crypto_ops("WEP"), 349 "ieee80211_crypt_wep"); 350 if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) 351 new_crypt->priv = new_crypt->ops->init(key); 352 353 if (!new_crypt->ops || !new_crypt->priv) { 354 kfree(new_crypt); 355 new_crypt = NULL; 356 357 netdev_warn(dev, "could not initialize WEP: " 358 "load module ieee80211_crypt_wep\n"); 359 return -EOPNOTSUPP; 360 } 361 *crypt = new_crypt; 362 } 363 364 /* If a new key was provided, set it up */ 365 if (erq->length > 0) { 366 len = erq->length <= 5 ? 5 : 13; 367 memcpy(sec.keys[key], keybuf, erq->length); 368 if (len > erq->length) 369 memset(sec.keys[key] + erq->length, 0, 370 len - erq->length); 371 IEEE80211_DEBUG_WX("Setting key %d to '%s' (%d:%d bytes)\n", 372 key, escape_essid(sec.keys[key], len), 373 erq->length, len); 374 sec.key_sizes[key] = len; 375 (*crypt)->ops->set_key(sec.keys[key], len, NULL, 376 (*crypt)->priv); 377 sec.flags |= BIT(key); 378 /* This ensures a key will be activated if no key is 379 * explicitly set 380 */ 381 if (key == sec.active_key) 382 sec.flags |= SEC_ACTIVE_KEY; 383 ieee->tx_keyidx = key; 384 385 } else { 386 len = (*crypt)->ops->get_key(sec.keys[key], WEP_KEY_LEN, 387 NULL, (*crypt)->priv); 388 if (len == 0) { 389 /* Set a default key of all 0 */ 390 printk("Setting key %d to all zero.\n", 391 key); 392 393 IEEE80211_DEBUG_WX("Setting key %d to all zero.\n", 394 key); 395 memset(sec.keys[key], 0, 13); 396 (*crypt)->ops->set_key(sec.keys[key], 13, NULL, 397 (*crypt)->priv); 398 sec.key_sizes[key] = 13; 399 sec.flags |= BIT(key); 400 } 401 402 /* No key data - just set the default TX key index */ 403 if (key_provided) { 404 IEEE80211_DEBUG_WX( 405 "Setting key %d to default Tx key.\n", key); 406 ieee->tx_keyidx = key; 407 sec.active_key = key; 408 sec.flags |= SEC_ACTIVE_KEY; 409 } 410 } 411 412 done: 413 ieee->open_wep = !(erq->flags & IW_ENCODE_RESTRICTED); 414 ieee->auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY; 415 sec.auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY; 416 sec.flags |= SEC_AUTH_MODE; 417 IEEE80211_DEBUG_WX("Auth: %s\n", sec.auth_mode == WLAN_AUTH_OPEN ? 418 "OPEN" : "SHARED KEY"); 419 420 /* For now we just support WEP, so only set that security level... 421 * TODO: When WPA is added this is one place that needs to change */ 422 sec.flags |= SEC_LEVEL; 423 sec.level = SEC_LEVEL_1; /* 40 and 104 bit WEP */ 424 425 if (ieee->set_security) 426 ieee->set_security(dev, &sec); 427 428 /* Do not reset port if card is in Managed mode since resetting will 429 * generate new IEEE 802.11 authentication which may end up in looping 430 * with IEEE 802.1X. If your hardware requires a reset after WEP 431 * configuration (for example... Prism2), implement the reset_port in 432 * the callbacks structures used to initialize the 802.11 stack. */ 433 if (ieee->reset_on_keychange && 434 ieee->iw_mode != IW_MODE_INFRA && 435 ieee->reset_port && ieee->reset_port(dev)) { 436 netdev_dbg(ieee->dev, "reset_port failed\n"); 437 return -EINVAL; 438 } 439 return 0; 440 } 441 EXPORT_SYMBOL(ieee80211_wx_set_encode); 442 443 int ieee80211_wx_get_encode(struct ieee80211_device *ieee, 444 struct iw_request_info *info, 445 union iwreq_data *wrqu, char *keybuf) 446 { 447 struct iw_point *erq = &(wrqu->encoding); 448 int len, key; 449 struct ieee80211_crypt_data *crypt; 450 451 IEEE80211_DEBUG_WX("GET_ENCODE\n"); 452 453 if (ieee->iw_mode == IW_MODE_MONITOR) 454 return -1; 455 456 key = erq->flags & IW_ENCODE_INDEX; 457 if (key) { 458 if (key > WEP_KEYS) 459 return -EINVAL; 460 key--; 461 } else 462 key = ieee->tx_keyidx; 463 464 crypt = ieee->crypt[key]; 465 erq->flags = key + 1; 466 467 if (!crypt || !crypt->ops) { 468 erq->length = 0; 469 erq->flags |= IW_ENCODE_DISABLED; 470 return 0; 471 } 472 len = crypt->ops->get_key(keybuf, SCM_KEY_LEN, NULL, crypt->priv); 473 if (len < 0) 474 len = 0; 475 erq->length = len; 476 477 erq->flags |= IW_ENCODE_ENABLED; 478 479 if (ieee->open_wep) 480 erq->flags |= IW_ENCODE_OPEN; 481 else 482 erq->flags |= IW_ENCODE_RESTRICTED; 483 484 return 0; 485 } 486 EXPORT_SYMBOL(ieee80211_wx_get_encode); 487 488 int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, 489 struct iw_request_info *info, 490 union iwreq_data *wrqu, char *extra) 491 { 492 int ret = 0; 493 struct net_device *dev = ieee->dev; 494 struct iw_point *encoding = &wrqu->encoding; 495 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; 496 int i, idx; 497 int group_key = 0; 498 const char *alg, *module; 499 struct ieee80211_crypto_ops *ops; 500 struct ieee80211_crypt_data **crypt; 501 502 struct ieee80211_security sec = { 503 .flags = 0, 504 }; 505 idx = encoding->flags & IW_ENCODE_INDEX; 506 if (idx) { 507 if (idx < 1 || idx > WEP_KEYS) 508 return -EINVAL; 509 idx--; 510 } else 511 idx = ieee->tx_keyidx; 512 513 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) { 514 515 crypt = &ieee->crypt[idx]; 516 517 group_key = 1; 518 } else { 519 /* some Cisco APs use idx>0 for unicast in dynamic WEP */ 520 if (idx != 0 && ext->alg != IW_ENCODE_ALG_WEP) 521 return -EINVAL; 522 if (ieee->iw_mode == IW_MODE_INFRA) 523 524 crypt = &ieee->crypt[idx]; 525 526 else 527 return -EINVAL; 528 } 529 530 sec.flags |= SEC_ENABLED;// | SEC_ENCRYPT; 531 if ((encoding->flags & IW_ENCODE_DISABLED) || 532 ext->alg == IW_ENCODE_ALG_NONE) { 533 if (*crypt) 534 ieee80211_crypt_delayed_deinit(ieee, crypt); 535 536 for (i = 0; i < WEP_KEYS; i++) 537 538 if (ieee->crypt[i]) 539 540 break; 541 542 if (i == WEP_KEYS) { 543 sec.enabled = 0; 544 // sec.encrypt = 0; 545 sec.level = SEC_LEVEL_0; 546 sec.flags |= SEC_LEVEL; 547 } 548 goto done; 549 } 550 551 sec.enabled = 1; 552 // sec.encrypt = 1; 553 switch (ext->alg) { 554 case IW_ENCODE_ALG_WEP: 555 alg = "WEP"; 556 module = "ieee80211_crypt_wep"; 557 break; 558 case IW_ENCODE_ALG_TKIP: 559 alg = "TKIP"; 560 module = "ieee80211_crypt_tkip"; 561 break; 562 case IW_ENCODE_ALG_CCMP: 563 alg = "CCMP"; 564 module = "ieee80211_crypt_ccmp"; 565 break; 566 default: 567 IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", 568 dev->name, ext->alg); 569 ret = -EINVAL; 570 goto done; 571 } 572 printk("alg name:%s\n", alg); 573 574 ops = try_then_request_module(ieee80211_get_crypto_ops(alg), module); 575 if (!ops) { 576 IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", 577 dev->name, ext->alg); 578 printk("========>unknown crypto alg %d\n", ext->alg); 579 ret = -EINVAL; 580 goto done; 581 } 582 583 if (!*crypt || (*crypt)->ops != ops) { 584 struct ieee80211_crypt_data *new_crypt; 585 586 ieee80211_crypt_delayed_deinit(ieee, crypt); 587 588 new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL); 589 if (!new_crypt) { 590 ret = -ENOMEM; 591 goto done; 592 } 593 new_crypt->ops = ops; 594 if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) 595 new_crypt->priv = new_crypt->ops->init(idx); 596 if (!new_crypt->priv) { 597 kfree(new_crypt); 598 ret = -EINVAL; 599 goto done; 600 } 601 *crypt = new_crypt; 602 } 603 604 if (ext->key_len > 0 && (*crypt)->ops->set_key && 605 (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq, 606 (*crypt)->priv) < 0) { 607 IEEE80211_DEBUG_WX("%s: key setting failed\n", dev->name); 608 printk("key setting failed\n"); 609 ret = -EINVAL; 610 goto done; 611 } 612 //skip_host_crypt: 613 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) { 614 ieee->tx_keyidx = idx; 615 sec.active_key = idx; 616 sec.flags |= SEC_ACTIVE_KEY; 617 } 618 619 if (ext->alg != IW_ENCODE_ALG_NONE) { 620 //memcpy(sec.keys[idx], ext->key, ext->key_len); 621 sec.key_sizes[idx] = ext->key_len; 622 sec.flags |= BIT(idx); 623 if (ext->alg == IW_ENCODE_ALG_WEP) { 624 // sec.encode_alg[idx] = SEC_ALG_WEP; 625 sec.flags |= SEC_LEVEL; 626 sec.level = SEC_LEVEL_1; 627 } else if (ext->alg == IW_ENCODE_ALG_TKIP) { 628 // sec.encode_alg[idx] = SEC_ALG_TKIP; 629 sec.flags |= SEC_LEVEL; 630 sec.level = SEC_LEVEL_2; 631 } else if (ext->alg == IW_ENCODE_ALG_CCMP) { 632 // sec.encode_alg[idx] = SEC_ALG_CCMP; 633 sec.flags |= SEC_LEVEL; 634 sec.level = SEC_LEVEL_3; 635 } 636 /* Don't set sec level for group keys. */ 637 if (group_key) 638 sec.flags &= ~SEC_LEVEL; 639 } 640 done: 641 if (ieee->set_security) 642 ieee->set_security(ieee->dev, &sec); 643 644 if (ieee->reset_on_keychange && 645 ieee->iw_mode != IW_MODE_INFRA && 646 ieee->reset_port && ieee->reset_port(dev)) { 647 IEEE80211_DEBUG_WX("%s: reset_port failed\n", dev->name); 648 return -EINVAL; 649 } 650 return ret; 651 } 652 EXPORT_SYMBOL(ieee80211_wx_set_encode_ext); 653 654 int ieee80211_wx_get_encode_ext(struct ieee80211_device *ieee, 655 struct iw_request_info *info, 656 union iwreq_data *wrqu, char *extra) 657 { 658 struct iw_point *encoding = &wrqu->encoding; 659 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; 660 struct ieee80211_crypt_data *crypt; 661 int idx, max_key_len; 662 663 max_key_len = encoding->length - sizeof(*ext); 664 if (max_key_len < 0) 665 return -EINVAL; 666 667 idx = encoding->flags & IW_ENCODE_INDEX; 668 if (idx) { 669 if (idx < 1 || idx > WEP_KEYS) 670 return -EINVAL; 671 idx--; 672 } else 673 idx = ieee->tx_keyidx; 674 675 if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) && 676 ext->alg != IW_ENCODE_ALG_WEP) 677 if (idx != 0 || ieee->iw_mode != IW_MODE_INFRA) 678 return -EINVAL; 679 680 crypt = ieee->crypt[idx]; 681 encoding->flags = idx + 1; 682 memset(ext, 0, sizeof(*ext)); 683 684 if (!crypt || !crypt->ops) { 685 ext->alg = IW_ENCODE_ALG_NONE; 686 ext->key_len = 0; 687 encoding->flags |= IW_ENCODE_DISABLED; 688 } else { 689 if (strcmp(crypt->ops->name, "WEP") == 0) 690 ext->alg = IW_ENCODE_ALG_WEP; 691 else if (strcmp(crypt->ops->name, "TKIP") == 0) 692 ext->alg = IW_ENCODE_ALG_TKIP; 693 else if (strcmp(crypt->ops->name, "CCMP") == 0) 694 ext->alg = IW_ENCODE_ALG_CCMP; 695 else 696 return -EINVAL; 697 ext->key_len = crypt->ops->get_key(ext->key, SCM_KEY_LEN, NULL, crypt->priv); 698 encoding->flags |= IW_ENCODE_ENABLED; 699 if (ext->key_len && 700 (ext->alg == IW_ENCODE_ALG_TKIP || 701 ext->alg == IW_ENCODE_ALG_CCMP)) 702 ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID; 703 } 704 705 return 0; 706 } 707 EXPORT_SYMBOL(ieee80211_wx_get_encode_ext); 708 709 int ieee80211_wx_set_mlme(struct ieee80211_device *ieee, 710 struct iw_request_info *info, 711 union iwreq_data *wrqu, char *extra) 712 { 713 struct iw_mlme *mlme = (struct iw_mlme *)extra; 714 switch (mlme->cmd) { 715 case IW_MLME_DEAUTH: 716 case IW_MLME_DISASSOC: 717 ieee80211_disassociate(ieee); 718 break; 719 default: 720 return -EOPNOTSUPP; 721 } 722 return 0; 723 } 724 EXPORT_SYMBOL(ieee80211_wx_set_mlme); 725 726 int ieee80211_wx_set_auth(struct ieee80211_device *ieee, 727 struct iw_request_info *info, 728 struct iw_param *data, char *extra) 729 { 730 switch (data->flags & IW_AUTH_INDEX) { 731 case IW_AUTH_WPA_VERSION: 732 /*need to support wpa2 here*/ 733 break; 734 case IW_AUTH_CIPHER_PAIRWISE: 735 case IW_AUTH_CIPHER_GROUP: 736 case IW_AUTH_KEY_MGMT: 737 /* 738 * * Host AP driver does not use these parameters and allows 739 * * wpa_supplicant to control them internally. 740 * */ 741 break; 742 case IW_AUTH_TKIP_COUNTERMEASURES: 743 ieee->tkip_countermeasures = data->value; 744 break; 745 case IW_AUTH_DROP_UNENCRYPTED: 746 ieee->drop_unencrypted = data->value; 747 break; 748 749 case IW_AUTH_80211_AUTH_ALG: 750 //printk("======>%s():data->value is %d\n",__func__,data->value); 751 // ieee->open_wep = (data->value&IW_AUTH_ALG_OPEN_SYSTEM)?1:0; 752 if (data->value & IW_AUTH_ALG_SHARED_KEY) { 753 ieee->open_wep = 0; 754 ieee->auth_mode = 1; 755 } else if (data->value & IW_AUTH_ALG_OPEN_SYSTEM) { 756 ieee->open_wep = 1; 757 ieee->auth_mode = 0; 758 } else if (data->value & IW_AUTH_ALG_LEAP) { 759 ieee->open_wep = 1; 760 ieee->auth_mode = 2; 761 } else 762 return -EINVAL; 763 break; 764 765 case IW_AUTH_WPA_ENABLED: 766 ieee->wpa_enabled = (data->value) ? 1 : 0; 767 break; 768 769 case IW_AUTH_RX_UNENCRYPTED_EAPOL: 770 ieee->ieee802_1x = data->value; 771 break; 772 case IW_AUTH_PRIVACY_INVOKED: 773 ieee->privacy_invoked = data->value; 774 break; 775 default: 776 return -EOPNOTSUPP; 777 } 778 return 0; 779 } 780 EXPORT_SYMBOL(ieee80211_wx_set_auth); 781 782 int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len) 783 { 784 u8 *buf; 785 786 if (len > MAX_WPA_IE_LEN || (len && !ie)) { 787 //printk("return error out, len:%d\n", len); 788 return -EINVAL; 789 } 790 791 792 if (len) { 793 if (len != ie[1] + 2) { 794 printk("len:%zu, ie:%d\n", len, ie[1]); 795 return -EINVAL; 796 } 797 buf = kmemdup(ie, len, GFP_KERNEL); 798 if (!buf) 799 return -ENOMEM; 800 kfree(ieee->wpa_ie); 801 ieee->wpa_ie = buf; 802 ieee->wpa_ie_len = len; 803 } else { 804 kfree(ieee->wpa_ie); 805 ieee->wpa_ie = NULL; 806 ieee->wpa_ie_len = 0; 807 } 808 return 0; 809 } 810 EXPORT_SYMBOL(ieee80211_wx_set_gen_ie); 811