1/****************************************************************************** 2 3 Copyright(c) 2004 Intel Corporation. All rights reserved. 4 5 Portions of this file are based on the WEP enablement code provided by the 6 Host AP project hostap-drivers v0.1.3 7 Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen 8 <jkmaline@cc.hut.fi> 9 Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi> 10 11 This program is free software; you can redistribute it and/or modify it 12 under the terms of version 2 of the GNU General Public License as 13 published by the Free Software Foundation. 14 15 This program is distributed in the hope that it will be useful, but WITHOUT 16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 18 more details. 19 20 You should have received a copy of the GNU General Public License along with 21 this program; if not, write to the Free Software Foundation, Inc., 59 22 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 23 24 The full GNU General Public License is included in this distribution in the 25 file called LICENSE. 26 27 Contact Information: 28 James P. Ketrenos <ipw2100-admin@linux.intel.com> 29 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 30 31******************************************************************************/ 32#include <linux/wireless.h> 33#include <linux/kmod.h> 34#include <linux/slab.h> 35#include <linux/module.h> 36 37#include "ieee80211.h" 38struct modes_unit { 39 char *mode_string; 40 int mode_size; 41}; 42struct modes_unit ieee80211_modes[] = { 43 {"a",1}, 44 {"b",1}, 45 {"g",1}, 46 {"?",1}, 47 {"N-24G",5}, 48 {"N-5G",4}, 49}; 50 51#define iwe_stream_add_event_rsl iwe_stream_add_event 52 53#define MAX_CUSTOM_LEN 64 54static inline char *rtl819x_translate_scan(struct ieee80211_device *ieee, 55 char *start, char *stop, 56 struct ieee80211_network *network, 57 struct iw_request_info *info) 58{ 59 char custom[MAX_CUSTOM_LEN]; 60 char proto_name[IFNAMSIZ]; 61 char *pname = proto_name; 62 char *p; 63 struct iw_event iwe; 64 int i, j; 65 u16 max_rate, rate; 66 static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; 67 68 /* First entry *MUST* be the AP MAC address */ 69 iwe.cmd = SIOCGIWAP; 70 iwe.u.ap_addr.sa_family = ARPHRD_ETHER; 71 memcpy(iwe.u.ap_addr.sa_data, network->bssid, ETH_ALEN); 72 start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_ADDR_LEN); 73 /* Remaining entries will be displayed in the order we provide them */ 74 75 /* Add the ESSID */ 76 iwe.cmd = SIOCGIWESSID; 77 iwe.u.data.flags = 1; 78// if (network->flags & NETWORK_EMPTY_ESSID) { 79 if (network->ssid_len == 0) { 80 iwe.u.data.length = sizeof("<hidden>"); 81 start = iwe_stream_add_point(info, start, stop, &iwe, "<hidden>"); 82 } else { 83 iwe.u.data.length = min(network->ssid_len, (u8)32); 84 start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid); 85 } 86 /* Add the protocol name */ 87 iwe.cmd = SIOCGIWNAME; 88 for(i=0; i<ARRAY_SIZE(ieee80211_modes); i++) { 89 if(network->mode&(1<<i)) { 90 sprintf(pname,ieee80211_modes[i].mode_string,ieee80211_modes[i].mode_size); 91 pname +=ieee80211_modes[i].mode_size; 92 } 93 } 94 *pname = '\0'; 95 snprintf(iwe.u.name, IFNAMSIZ, "IEEE802.11%s", proto_name); 96 start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_CHAR_LEN); 97 /* Add mode */ 98 iwe.cmd = SIOCGIWMODE; 99 if (network->capability & 100 (WLAN_CAPABILITY_BSS | WLAN_CAPABILITY_IBSS)) { 101 if (network->capability & WLAN_CAPABILITY_BSS) 102 iwe.u.mode = IW_MODE_MASTER; 103 else 104 iwe.u.mode = IW_MODE_ADHOC; 105 start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_UINT_LEN); 106 } 107 108 /* Add frequency/channel */ 109 iwe.cmd = SIOCGIWFREQ; 110/* iwe.u.freq.m = ieee80211_frequency(network->channel, network->mode); 111 iwe.u.freq.e = 3; */ 112 iwe.u.freq.m = network->channel; 113 iwe.u.freq.e = 0; 114 iwe.u.freq.i = 0; 115 start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_FREQ_LEN); 116 /* Add encryption capability */ 117 iwe.cmd = SIOCGIWENCODE; 118 if (network->capability & WLAN_CAPABILITY_PRIVACY) 119 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; 120 else 121 iwe.u.data.flags = IW_ENCODE_DISABLED; 122 iwe.u.data.length = 0; 123 start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid); 124 /* Add basic and extended rates */ 125 max_rate = 0; 126 p = custom; 127 p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), " Rates (Mb/s): "); 128 for (i = 0, j = 0; i < network->rates_len; ) { 129 if (j < network->rates_ex_len && 130 ((network->rates_ex[j] & 0x7F) < 131 (network->rates[i] & 0x7F))) 132 rate = network->rates_ex[j++] & 0x7F; 133 else 134 rate = network->rates[i++] & 0x7F; 135 if (rate > max_rate) 136 max_rate = rate; 137 p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), 138 "%d%s ", rate >> 1, (rate & 1) ? ".5" : ""); 139 } 140 for (; j < network->rates_ex_len; j++) { 141 rate = network->rates_ex[j] & 0x7F; 142 p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), 143 "%d%s ", rate >> 1, (rate & 1) ? ".5" : ""); 144 if (rate > max_rate) 145 max_rate = rate; 146 } 147 148 if (network->mode >= IEEE_N_24G)//add N rate here; 149 { 150 PHT_CAPABILITY_ELE ht_cap = NULL; 151 bool is40M = false, isShortGI = false; 152 u8 max_mcs = 0; 153 if (!memcmp(network->bssht.bdHTCapBuf, EWC11NHTCap, 4)) 154 ht_cap = (PHT_CAPABILITY_ELE)&network->bssht.bdHTCapBuf[4]; 155 else 156 ht_cap = (PHT_CAPABILITY_ELE)&network->bssht.bdHTCapBuf[0]; 157 is40M = (ht_cap->ChlWidth)?1:0; 158 isShortGI = (ht_cap->ChlWidth)? 159 ((ht_cap->ShortGI40Mhz)?1:0): 160 ((ht_cap->ShortGI20Mhz)?1:0); 161 162 max_mcs = HTGetHighestMCSRate(ieee, ht_cap->MCS, MCS_FILTER_ALL); 163 rate = MCS_DATA_RATE[is40M][isShortGI][max_mcs&0x7f]; 164 if (rate > max_rate) 165 max_rate = rate; 166 } 167 iwe.cmd = SIOCGIWRATE; 168 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0; 169 iwe.u.bitrate.value = max_rate * 500000; 170 start = iwe_stream_add_event_rsl(info, start, stop, &iwe, 171 IW_EV_PARAM_LEN); 172 iwe.cmd = IWEVCUSTOM; 173 iwe.u.data.length = p - custom; 174 if (iwe.u.data.length) 175 start = iwe_stream_add_point(info, start, stop, &iwe, custom); 176 /* Add quality statistics */ 177 /* TODO: Fix these values... */ 178 iwe.cmd = IWEVQUAL; 179 iwe.u.qual.qual = network->stats.signal; 180 iwe.u.qual.level = network->stats.rssi; 181 iwe.u.qual.noise = network->stats.noise; 182 iwe.u.qual.updated = network->stats.mask & IEEE80211_STATMASK_WEMASK; 183 if (!(network->stats.mask & IEEE80211_STATMASK_RSSI)) 184 iwe.u.qual.updated |= IW_QUAL_LEVEL_INVALID; 185 if (!(network->stats.mask & IEEE80211_STATMASK_NOISE)) 186 iwe.u.qual.updated |= IW_QUAL_NOISE_INVALID; 187 if (!(network->stats.mask & IEEE80211_STATMASK_SIGNAL)) 188 iwe.u.qual.updated |= IW_QUAL_QUAL_INVALID; 189 iwe.u.qual.updated = 7; 190 start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_QUAL_LEN); 191 iwe.cmd = IWEVCUSTOM; 192 p = custom; 193 194 iwe.u.data.length = p - custom; 195 if (iwe.u.data.length) 196 start = iwe_stream_add_point(info, start, stop, &iwe, custom); 197#if (WIRELESS_EXT < 18) 198 if (ieee->wpa_enabled && network->wpa_ie_len){ 199 char buf[MAX_WPA_IE_LEN * 2 + 30]; 200 // printk("WPA IE\n"); 201 u8 *p = buf; 202 p += sprintf(p, "wpa_ie="); 203 for (i = 0; i < network->wpa_ie_len; i++) { 204 p += sprintf(p, "%02x", network->wpa_ie[i]); 205 } 206 207 memset(&iwe, 0, sizeof(iwe)); 208 iwe.cmd = IWEVCUSTOM; 209 iwe.u.data.length = strlen(buf); 210 start = iwe_stream_add_point(info, start, stop, &iwe, buf); 211 } 212 213 if (ieee->wpa_enabled && network->rsn_ie_len){ 214 char buf[MAX_WPA_IE_LEN * 2 + 30]; 215 216 u8 *p = buf; 217 p += sprintf(p, "rsn_ie="); 218 for (i = 0; i < network->rsn_ie_len; i++) { 219 p += sprintf(p, "%02x", network->rsn_ie[i]); 220 } 221 222 memset(&iwe, 0, sizeof(iwe)); 223 iwe.cmd = IWEVCUSTOM; 224 iwe.u.data.length = strlen(buf); 225 start = iwe_stream_add_point(info, start, stop, &iwe, buf); 226 } 227#else 228 memset(&iwe, 0, sizeof(iwe)); 229 if (network->wpa_ie_len) 230 { 231 char buf[MAX_WPA_IE_LEN]; 232 memcpy(buf, network->wpa_ie, network->wpa_ie_len); 233 iwe.cmd = IWEVGENIE; 234 iwe.u.data.length = network->wpa_ie_len; 235 start = iwe_stream_add_point(info, start, stop, &iwe, buf); 236 } 237 memset(&iwe, 0, sizeof(iwe)); 238 if (network->rsn_ie_len) 239 { 240 char buf[MAX_WPA_IE_LEN]; 241 memcpy(buf, network->rsn_ie, network->rsn_ie_len); 242 iwe.cmd = IWEVGENIE; 243 iwe.u.data.length = network->rsn_ie_len; 244 start = iwe_stream_add_point(info, start, stop, &iwe, buf); 245 } 246#endif 247 248 249 /* Add EXTRA: Age to display seconds since last beacon/probe response 250 * for given network. */ 251 iwe.cmd = IWEVCUSTOM; 252 p = custom; 253 p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), 254 " Last beacon: %lums ago", (jiffies - network->last_scanned) / (HZ / 100)); 255 iwe.u.data.length = p - custom; 256 if (iwe.u.data.length) 257 start = iwe_stream_add_point(info, start, stop, &iwe, custom); 258 259 return start; 260} 261 262int ieee80211_wx_get_scan(struct ieee80211_device *ieee, 263 struct iw_request_info *info, 264 union iwreq_data *wrqu, char *extra) 265{ 266 struct ieee80211_network *network; 267 unsigned long flags; 268 269 char *ev = extra; 270// char *stop = ev + IW_SCAN_MAX_DATA; 271 char *stop = ev + wrqu->data.length;//IW_SCAN_MAX_DATA; 272 //char *stop = ev + IW_SCAN_MAX_DATA; 273 int i = 0; 274 int err = 0; 275 IEEE80211_DEBUG_WX("Getting scan\n"); 276 down(&ieee->wx_sem); 277 spin_lock_irqsave(&ieee->lock, flags); 278 279 list_for_each_entry(network, &ieee->network_list, list) { 280 i++; 281 if((stop-ev)<200) 282 { 283 err = -E2BIG; 284 break; 285 } 286 if (ieee->scan_age == 0 || 287 time_after(network->last_scanned + ieee->scan_age, jiffies)) 288 ev = rtl819x_translate_scan(ieee, ev, stop, network, info); 289 else 290 IEEE80211_DEBUG_SCAN( 291 "Not showing network '%s (" 292 "%pM)' due to age (%lums).\n", 293 escape_essid(network->ssid, 294 network->ssid_len), 295 network->bssid, 296 (jiffies - network->last_scanned) / (HZ / 100)); 297 } 298 299 spin_unlock_irqrestore(&ieee->lock, flags); 300 up(&ieee->wx_sem); 301 wrqu->data.length = ev - extra; 302 wrqu->data.flags = 0; 303 304 IEEE80211_DEBUG_WX("exit: %d networks returned.\n", i); 305 306 return err; 307} 308 309int ieee80211_wx_set_encode(struct ieee80211_device *ieee, 310 struct iw_request_info *info, 311 union iwreq_data *wrqu, char *keybuf) 312{ 313 struct iw_point *erq = &(wrqu->encoding); 314 struct net_device *dev = ieee->dev; 315 struct ieee80211_security sec = { 316 .flags = 0 317 }; 318 int i, key, key_provided, len; 319 struct ieee80211_crypt_data **crypt; 320 321 IEEE80211_DEBUG_WX("SET_ENCODE\n"); 322 323 key = erq->flags & IW_ENCODE_INDEX; 324 if (key) { 325 if (key > WEP_KEYS) 326 return -EINVAL; 327 key--; 328 key_provided = 1; 329 } else { 330 key_provided = 0; 331 key = ieee->tx_keyidx; 332 } 333 334 IEEE80211_DEBUG_WX("Key: %d [%s]\n", key, key_provided ? 335 "provided" : "default"); 336 crypt = &ieee->crypt[key]; 337 338 if (erq->flags & IW_ENCODE_DISABLED) { 339 if (key_provided && *crypt) { 340 IEEE80211_DEBUG_WX("Disabling encryption on key %d.\n", 341 key); 342 ieee80211_crypt_delayed_deinit(ieee, crypt); 343 } else 344 IEEE80211_DEBUG_WX("Disabling encryption.\n"); 345 346 /* Check all the keys to see if any are still configured, 347 * and if no key index was provided, de-init them all */ 348 for (i = 0; i < WEP_KEYS; i++) { 349 if (ieee->crypt[i] != NULL) { 350 if (key_provided) 351 break; 352 ieee80211_crypt_delayed_deinit( 353 ieee, &ieee->crypt[i]); 354 } 355 } 356 357 if (i == WEP_KEYS) { 358 sec.enabled = 0; 359 sec.level = SEC_LEVEL_0; 360 sec.flags |= SEC_ENABLED | SEC_LEVEL; 361 } 362 363 goto done; 364 } 365 366 367 368 sec.enabled = 1; 369 sec.flags |= SEC_ENABLED; 370 371 if (*crypt != NULL && (*crypt)->ops != NULL && 372 strcmp((*crypt)->ops->name, "WEP") != 0) { 373 /* changing to use WEP; deinit previously used algorithm 374 * on this key */ 375 ieee80211_crypt_delayed_deinit(ieee, crypt); 376 } 377 378 if (*crypt == NULL) { 379 struct ieee80211_crypt_data *new_crypt; 380 381 /* take WEP into use */ 382 new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data), 383 GFP_KERNEL); 384 if (new_crypt == NULL) 385 return -ENOMEM; 386 new_crypt->ops = ieee80211_get_crypto_ops("WEP"); 387 if (!new_crypt->ops) { 388 request_module("ieee80211_crypt_wep"); 389 new_crypt->ops = ieee80211_get_crypto_ops("WEP"); 390 } 391 if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) 392 new_crypt->priv = new_crypt->ops->init(key); 393 394 if (!new_crypt->ops || !new_crypt->priv) { 395 kfree(new_crypt); 396 new_crypt = NULL; 397 398 printk(KERN_WARNING "%s: could not initialize WEP: " 399 "load module ieee80211_crypt_wep\n", 400 dev->name); 401 return -EOPNOTSUPP; 402 } 403 *crypt = new_crypt; 404 } 405 406 /* If a new key was provided, set it up */ 407 if (erq->length > 0) { 408 len = erq->length <= 5 ? 5 : 13; 409 memcpy(sec.keys[key], keybuf, erq->length); 410 if (len > erq->length) 411 memset(sec.keys[key] + erq->length, 0, 412 len - erq->length); 413 IEEE80211_DEBUG_WX("Setting key %d to '%s' (%d:%d bytes)\n", 414 key, escape_essid(sec.keys[key], len), 415 erq->length, len); 416 sec.key_sizes[key] = len; 417 (*crypt)->ops->set_key(sec.keys[key], len, NULL, 418 (*crypt)->priv); 419 sec.flags |= (1 << key); 420 /* This ensures a key will be activated if no key is 421 * explicitely set */ 422 if (key == sec.active_key) 423 sec.flags |= SEC_ACTIVE_KEY; 424 ieee->tx_keyidx = key; 425 426 } else { 427 len = (*crypt)->ops->get_key(sec.keys[key], WEP_KEY_LEN, 428 NULL, (*crypt)->priv); 429 if (len == 0) { 430 /* Set a default key of all 0 */ 431 printk("Setting key %d to all zero.\n", 432 key); 433 434 IEEE80211_DEBUG_WX("Setting key %d to all zero.\n", 435 key); 436 memset(sec.keys[key], 0, 13); 437 (*crypt)->ops->set_key(sec.keys[key], 13, NULL, 438 (*crypt)->priv); 439 sec.key_sizes[key] = 13; 440 sec.flags |= (1 << key); 441 } 442 443 /* No key data - just set the default TX key index */ 444 if (key_provided) { 445 IEEE80211_DEBUG_WX( 446 "Setting key %d to default Tx key.\n", key); 447 ieee->tx_keyidx = key; 448 sec.active_key = key; 449 sec.flags |= SEC_ACTIVE_KEY; 450 } 451 } 452 453 done: 454 ieee->open_wep = !(erq->flags & IW_ENCODE_RESTRICTED); 455 ieee->auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY; 456 sec.auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY; 457 sec.flags |= SEC_AUTH_MODE; 458 IEEE80211_DEBUG_WX("Auth: %s\n", sec.auth_mode == WLAN_AUTH_OPEN ? 459 "OPEN" : "SHARED KEY"); 460 461 /* For now we just support WEP, so only set that security level... 462 * TODO: When WPA is added this is one place that needs to change */ 463 sec.flags |= SEC_LEVEL; 464 sec.level = SEC_LEVEL_1; /* 40 and 104 bit WEP */ 465 466 if (ieee->set_security) 467 ieee->set_security(dev, &sec); 468 469 /* Do not reset port if card is in Managed mode since resetting will 470 * generate new IEEE 802.11 authentication which may end up in looping 471 * with IEEE 802.1X. If your hardware requires a reset after WEP 472 * configuration (for example... Prism2), implement the reset_port in 473 * the callbacks structures used to initialize the 802.11 stack. */ 474 if (ieee->reset_on_keychange && 475 ieee->iw_mode != IW_MODE_INFRA && 476 ieee->reset_port && ieee->reset_port(dev)) { 477 printk(KERN_DEBUG "%s: reset_port failed\n", dev->name); 478 return -EINVAL; 479 } 480 return 0; 481} 482 483int ieee80211_wx_get_encode(struct ieee80211_device *ieee, 484 struct iw_request_info *info, 485 union iwreq_data *wrqu, char *keybuf) 486{ 487 struct iw_point *erq = &(wrqu->encoding); 488 int len, key; 489 struct ieee80211_crypt_data *crypt; 490 491 IEEE80211_DEBUG_WX("GET_ENCODE\n"); 492 493 if(ieee->iw_mode == IW_MODE_MONITOR) 494 return -1; 495 496 key = erq->flags & IW_ENCODE_INDEX; 497 if (key) { 498 if (key > WEP_KEYS) 499 return -EINVAL; 500 key--; 501 } else 502 key = ieee->tx_keyidx; 503 504 crypt = ieee->crypt[key]; 505 erq->flags = key + 1; 506 507 if (crypt == NULL || crypt->ops == NULL) { 508 erq->length = 0; 509 erq->flags |= IW_ENCODE_DISABLED; 510 return 0; 511 } 512 len = crypt->ops->get_key(keybuf, SCM_KEY_LEN, NULL, crypt->priv); 513 erq->length = (len >= 0 ? len : 0); 514 515 erq->flags |= IW_ENCODE_ENABLED; 516 517 if (ieee->open_wep) 518 erq->flags |= IW_ENCODE_OPEN; 519 else 520 erq->flags |= IW_ENCODE_RESTRICTED; 521 522 return 0; 523} 524#if (WIRELESS_EXT >= 18) 525int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, 526 struct iw_request_info *info, 527 union iwreq_data *wrqu, char *extra) 528{ 529 int ret = 0; 530 struct net_device *dev = ieee->dev; 531 struct iw_point *encoding = &wrqu->encoding; 532 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; 533 int i, idx; 534 int group_key = 0; 535 const char *alg, *module; 536 struct ieee80211_crypto_ops *ops; 537 struct ieee80211_crypt_data **crypt; 538 539 struct ieee80211_security sec = { 540 .flags = 0, 541 }; 542 //printk("======>encoding flag:%x,ext flag:%x, ext alg:%d\n", encoding->flags,ext->ext_flags, ext->alg); 543 idx = encoding->flags & IW_ENCODE_INDEX; 544 if (idx) { 545 if (idx < 1 || idx > WEP_KEYS) 546 return -EINVAL; 547 idx--; 548 } else 549 idx = ieee->tx_keyidx; 550 551 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) { 552 553 crypt = &ieee->crypt[idx]; 554 555 group_key = 1; 556 } else { 557 /* some Cisco APs use idx>0 for unicast in dynamic WEP */ 558 //printk("not group key, flags:%x, ext->alg:%d\n", ext->ext_flags, ext->alg); 559 if (idx != 0 && ext->alg != IW_ENCODE_ALG_WEP) 560 return -EINVAL; 561 if (ieee->iw_mode == IW_MODE_INFRA) 562 563 crypt = &ieee->crypt[idx]; 564 565 else 566 return -EINVAL; 567 } 568 569 sec.flags |= SEC_ENABLED;// | SEC_ENCRYPT; 570 if ((encoding->flags & IW_ENCODE_DISABLED) || 571 ext->alg == IW_ENCODE_ALG_NONE) { 572 if (*crypt) 573 ieee80211_crypt_delayed_deinit(ieee, crypt); 574 575 for (i = 0; i < WEP_KEYS; i++) 576 577 if (ieee->crypt[i] != NULL) 578 579 break; 580 581 if (i == WEP_KEYS) { 582 sec.enabled = 0; 583 // sec.encrypt = 0; 584 sec.level = SEC_LEVEL_0; 585 sec.flags |= SEC_LEVEL; 586 } 587 //printk("disabled: flag:%x\n", encoding->flags); 588 goto done; 589 } 590 591 sec.enabled = 1; 592 // sec.encrypt = 1; 593 switch (ext->alg) { 594 case IW_ENCODE_ALG_WEP: 595 alg = "WEP"; 596 module = "ieee80211_crypt_wep"; 597 break; 598 case IW_ENCODE_ALG_TKIP: 599 alg = "TKIP"; 600 module = "ieee80211_crypt_tkip"; 601 break; 602 case IW_ENCODE_ALG_CCMP: 603 alg = "CCMP"; 604 module = "ieee80211_crypt_ccmp"; 605 break; 606 default: 607 IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", 608 dev->name, ext->alg); 609 ret = -EINVAL; 610 goto done; 611 } 612 printk("alg name:%s\n",alg); 613 614 ops = ieee80211_get_crypto_ops(alg); 615 if (ops == NULL) { 616 request_module(module); 617 ops = ieee80211_get_crypto_ops(alg); 618 } 619 if (ops == NULL) { 620 IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", 621 dev->name, ext->alg); 622 printk("========>unknown crypto alg %d\n", ext->alg); 623 ret = -EINVAL; 624 goto done; 625 } 626 627 if (*crypt == NULL || (*crypt)->ops != ops) { 628 struct ieee80211_crypt_data *new_crypt; 629 630 ieee80211_crypt_delayed_deinit(ieee, crypt); 631 632 new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL); 633 if (new_crypt == NULL) { 634 ret = -ENOMEM; 635 goto done; 636 } 637 new_crypt->ops = ops; 638 if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) 639 new_crypt->priv = new_crypt->ops->init(idx); 640 if (new_crypt->priv == NULL) { 641 kfree(new_crypt); 642 ret = -EINVAL; 643 goto done; 644 } 645 *crypt = new_crypt; 646 647 } 648 649 if (ext->key_len > 0 && (*crypt)->ops->set_key && 650 (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq, 651 (*crypt)->priv) < 0) { 652 IEEE80211_DEBUG_WX("%s: key setting failed\n", dev->name); 653 printk("key setting failed\n"); 654 ret = -EINVAL; 655 goto done; 656 } 657 //skip_host_crypt: 658 //printk("skip_host_crypt:ext_flags:%x\n", ext->ext_flags); 659 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) { 660 ieee->tx_keyidx = idx; 661 sec.active_key = idx; 662 sec.flags |= SEC_ACTIVE_KEY; 663 } 664 665 if (ext->alg != IW_ENCODE_ALG_NONE) { 666 //memcpy(sec.keys[idx], ext->key, ext->key_len); 667 sec.key_sizes[idx] = ext->key_len; 668 sec.flags |= (1 << idx); 669 if (ext->alg == IW_ENCODE_ALG_WEP) { 670 // sec.encode_alg[idx] = SEC_ALG_WEP; 671 sec.flags |= SEC_LEVEL; 672 sec.level = SEC_LEVEL_1; 673 } else if (ext->alg == IW_ENCODE_ALG_TKIP) { 674 // sec.encode_alg[idx] = SEC_ALG_TKIP; 675 sec.flags |= SEC_LEVEL; 676 sec.level = SEC_LEVEL_2; 677 } else if (ext->alg == IW_ENCODE_ALG_CCMP) { 678 // sec.encode_alg[idx] = SEC_ALG_CCMP; 679 sec.flags |= SEC_LEVEL; 680 sec.level = SEC_LEVEL_3; 681 } 682 /* Don't set sec level for group keys. */ 683 if (group_key) 684 sec.flags &= ~SEC_LEVEL; 685 } 686done: 687 if (ieee->set_security) 688 ieee->set_security(ieee->dev, &sec); 689 690 if (ieee->reset_on_keychange && 691 ieee->iw_mode != IW_MODE_INFRA && 692 ieee->reset_port && ieee->reset_port(dev)) { 693 IEEE80211_DEBUG_WX("%s: reset_port failed\n", dev->name); 694 return -EINVAL; 695 } 696 return ret; 697} 698 699int ieee80211_wx_get_encode_ext(struct ieee80211_device *ieee, 700 struct iw_request_info *info, 701 union iwreq_data *wrqu, char *extra) 702{ 703 struct iw_point *encoding = &wrqu->encoding; 704 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; 705 struct ieee80211_crypt_data *crypt; 706 int idx, max_key_len; 707 708 max_key_len = encoding->length - sizeof(*ext); 709 if (max_key_len < 0) 710 return -EINVAL; 711 712 idx = encoding->flags & IW_ENCODE_INDEX; 713 if (idx) { 714 if (idx < 1 || idx > WEP_KEYS) 715 return -EINVAL; 716 idx--; 717 } else 718 idx = ieee->tx_keyidx; 719 720 if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) && 721 ext->alg != IW_ENCODE_ALG_WEP) 722 if (idx != 0 || ieee->iw_mode != IW_MODE_INFRA) 723 return -EINVAL; 724 725 crypt = ieee->crypt[idx]; 726 encoding->flags = idx + 1; 727 memset(ext, 0, sizeof(*ext)); 728 729 if (crypt == NULL || crypt->ops == NULL ) { 730 ext->alg = IW_ENCODE_ALG_NONE; 731 ext->key_len = 0; 732 encoding->flags |= IW_ENCODE_DISABLED; 733 } else { 734 if (strcmp(crypt->ops->name, "WEP") == 0 ) 735 ext->alg = IW_ENCODE_ALG_WEP; 736 else if (strcmp(crypt->ops->name, "TKIP")) 737 ext->alg = IW_ENCODE_ALG_TKIP; 738 else if (strcmp(crypt->ops->name, "CCMP")) 739 ext->alg = IW_ENCODE_ALG_CCMP; 740 else 741 return -EINVAL; 742 ext->key_len = crypt->ops->get_key(ext->key, SCM_KEY_LEN, NULL, crypt->priv); 743 encoding->flags |= IW_ENCODE_ENABLED; 744 if (ext->key_len && 745 (ext->alg == IW_ENCODE_ALG_TKIP || 746 ext->alg == IW_ENCODE_ALG_CCMP)) 747 ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID; 748 749 } 750 751 return 0; 752} 753 754int ieee80211_wx_set_mlme(struct ieee80211_device *ieee, 755 struct iw_request_info *info, 756 union iwreq_data *wrqu, char *extra) 757{ 758 struct iw_mlme *mlme = (struct iw_mlme *) extra; 759 switch (mlme->cmd) { 760 case IW_MLME_DEAUTH: 761 case IW_MLME_DISASSOC: 762 ieee80211_disassociate(ieee); 763 break; 764 default: 765 return -EOPNOTSUPP; 766 } 767 return 0; 768} 769 770int ieee80211_wx_set_auth(struct ieee80211_device *ieee, 771 struct iw_request_info *info, 772 struct iw_param *data, char *extra) 773{ 774 switch (data->flags & IW_AUTH_INDEX) { 775 case IW_AUTH_WPA_VERSION: 776 /*need to support wpa2 here*/ 777 //printk("wpa version:%x\n", data->value); 778 break; 779 case IW_AUTH_CIPHER_PAIRWISE: 780 case IW_AUTH_CIPHER_GROUP: 781 case IW_AUTH_KEY_MGMT: 782 /* 783 * * Host AP driver does not use these parameters and allows 784 * * wpa_supplicant to control them internally. 785 * */ 786 break; 787 case IW_AUTH_TKIP_COUNTERMEASURES: 788 ieee->tkip_countermeasures = data->value; 789 break; 790 case IW_AUTH_DROP_UNENCRYPTED: 791 ieee->drop_unencrypted = data->value; 792 break; 793 794 case IW_AUTH_80211_AUTH_ALG: 795 //printk("======>%s():data->value is %d\n",__FUNCTION__,data->value); 796 // ieee->open_wep = (data->value&IW_AUTH_ALG_OPEN_SYSTEM)?1:0; 797 if(data->value & IW_AUTH_ALG_SHARED_KEY){ 798 ieee->open_wep = 0; 799 ieee->auth_mode = 1; 800 } 801 else if(data->value & IW_AUTH_ALG_OPEN_SYSTEM){ 802 ieee->open_wep = 1; 803 ieee->auth_mode = 0; 804 } 805 else if(data->value & IW_AUTH_ALG_LEAP){ 806 ieee->open_wep = 1; 807 ieee->auth_mode = 2; 808 //printk("hahahaa:LEAP\n"); 809 } 810 else 811 return -EINVAL; 812 //printk("open_wep:%d\n", ieee->open_wep); 813 break; 814 815 case IW_AUTH_WPA_ENABLED: 816 ieee->wpa_enabled = (data->value)?1:0; 817 //printk("enalbe wpa:%d\n", ieee->wpa_enabled); 818 break; 819 820 case IW_AUTH_RX_UNENCRYPTED_EAPOL: 821 ieee->ieee802_1x = data->value; 822 break; 823 case IW_AUTH_PRIVACY_INVOKED: 824 ieee->privacy_invoked = data->value; 825 break; 826 default: 827 return -EOPNOTSUPP; 828 } 829 return 0; 830} 831#endif 832int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len) 833{ 834 u8 *buf; 835 836 if (len>MAX_WPA_IE_LEN || (len && ie == NULL)) 837 { 838 // printk("return error out, len:%d\n", len); 839 return -EINVAL; 840 } 841 842 843 if (len) 844 { 845 if (len != ie[1]+2) 846 { 847 printk("len:%zu, ie:%d\n", len, ie[1]); 848 return -EINVAL; 849 } 850 buf = kmemdup(ie, len, GFP_KERNEL); 851 if (buf == NULL) 852 return -ENOMEM; 853 kfree(ieee->wpa_ie); 854 ieee->wpa_ie = buf; 855 ieee->wpa_ie_len = len; 856 } 857 else{ 858 if (ieee->wpa_ie) 859 kfree(ieee->wpa_ie); 860 ieee->wpa_ie = NULL; 861 ieee->wpa_ie_len = 0; 862 } 863 return 0; 864 865} 866 867EXPORT_SYMBOL(ieee80211_wx_set_gen_ie); 868#if (WIRELESS_EXT >= 18) 869EXPORT_SYMBOL(ieee80211_wx_set_mlme); 870EXPORT_SYMBOL(ieee80211_wx_set_auth); 871EXPORT_SYMBOL(ieee80211_wx_set_encode_ext); 872EXPORT_SYMBOL(ieee80211_wx_get_encode_ext); 873#endif 874EXPORT_SYMBOL(ieee80211_wx_get_scan); 875EXPORT_SYMBOL(ieee80211_wx_set_encode); 876EXPORT_SYMBOL(ieee80211_wx_get_encode); 877