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
rtl819x_translate_scan(struct ieee80211_device * ieee,char * start,char * stop,struct ieee80211_network * network,struct iw_request_info * info)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 += snprintf(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 += snprintf(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 += snprintf(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
191 memset(&iwe, 0, sizeof(iwe));
192 iwe.cmd = IWEVCUSTOM;
193 iwe.u.data.length = strlen(buf);
194 start = iwe_stream_add_point(info, start, stop, &iwe, buf);
195 }
196
197 if (ieee->wpa_enabled && network->rsn_ie_len) {
198 char buf[MAX_WPA_IE_LEN * 2 + 30];
199
200 u8 *p = buf;
201 p += sprintf(p, "rsn_ie=");
202 for (i = 0; i < network->rsn_ie_len; i++) {
203 p += sprintf(p, "%02x", network->rsn_ie[i]);
204 }
205
206 memset(&iwe, 0, sizeof(iwe));
207 iwe.cmd = IWEVCUSTOM;
208 iwe.u.data.length = strlen(buf);
209 start = iwe_stream_add_point(info, start, stop, &iwe, buf);
210 }
211
212
213 /* Add EXTRA: Age to display seconds since last beacon/probe response
214 * for given network. */
215 iwe.cmd = IWEVCUSTOM;
216 p = custom;
217 p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
218 " Last beacon: %lums ago", (jiffies - network->last_scanned) / (HZ / 100));
219 iwe.u.data.length = p - custom;
220 if (iwe.u.data.length)
221 start = iwe_stream_add_point(info, start, stop, &iwe, custom);
222
223 return start;
224 }
225
ieee80211_wx_get_scan(struct ieee80211_device * ieee,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)226 int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
227 struct iw_request_info *info,
228 union iwreq_data *wrqu, char *extra)
229 {
230 struct ieee80211_network *network;
231 unsigned long flags;
232
233 char *ev = extra;
234 // char *stop = ev + IW_SCAN_MAX_DATA;
235 char *stop = ev + wrqu->data.length;//IW_SCAN_MAX_DATA;
236 //char *stop = ev + IW_SCAN_MAX_DATA;
237 int i = 0;
238 int err = 0;
239 IEEE80211_DEBUG_WX("Getting scan\n");
240 mutex_lock(&ieee->wx_mutex);
241 spin_lock_irqsave(&ieee->lock, flags);
242
243 list_for_each_entry(network, &ieee->network_list, list) {
244 i++;
245 if ((stop - ev) < 200) {
246 err = -E2BIG;
247 break;
248 }
249 if (ieee->scan_age == 0 ||
250 time_after(network->last_scanned + ieee->scan_age, jiffies))
251 ev = rtl819x_translate_scan(ieee, ev, stop, network, info);
252 else
253 IEEE80211_DEBUG_SCAN(
254 "Not showing network '%s ("
255 "%pM)' due to age (%lums).\n",
256 escape_essid(network->ssid,
257 network->ssid_len),
258 network->bssid,
259 (jiffies - network->last_scanned) / (HZ / 100));
260 }
261
262 spin_unlock_irqrestore(&ieee->lock, flags);
263 mutex_unlock(&ieee->wx_mutex);
264 wrqu->data.length = ev - extra;
265 wrqu->data.flags = 0;
266
267 IEEE80211_DEBUG_WX("exit: %d networks returned.\n", i);
268
269 return err;
270 }
271 EXPORT_SYMBOL(ieee80211_wx_get_scan);
272
ieee80211_wx_set_encode(struct ieee80211_device * ieee,struct iw_request_info * info,union iwreq_data * wrqu,char * keybuf)273 int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
274 struct iw_request_info *info,
275 union iwreq_data *wrqu, char *keybuf)
276 {
277 struct iw_point *erq = &(wrqu->encoding);
278 struct net_device *dev = ieee->dev;
279 struct ieee80211_security sec = {
280 .flags = 0
281 };
282 int i, key, key_provided, len;
283 struct ieee80211_crypt_data **crypt;
284
285 IEEE80211_DEBUG_WX("SET_ENCODE\n");
286
287 key = erq->flags & IW_ENCODE_INDEX;
288 if (key) {
289 if (key > WEP_KEYS)
290 return -EINVAL;
291 key--;
292 key_provided = 1;
293 } else {
294 key_provided = 0;
295 key = ieee->tx_keyidx;
296 }
297
298 IEEE80211_DEBUG_WX("Key: %d [%s]\n", key, key_provided ?
299 "provided" : "default");
300 crypt = &ieee->crypt[key];
301
302 if (erq->flags & IW_ENCODE_DISABLED) {
303 if (key_provided && *crypt) {
304 IEEE80211_DEBUG_WX("Disabling encryption on key %d.\n",
305 key);
306 ieee80211_crypt_delayed_deinit(ieee, crypt);
307 } else
308 IEEE80211_DEBUG_WX("Disabling encryption.\n");
309
310 /* Check all the keys to see if any are still configured,
311 * and if no key index was provided, de-init them all */
312 for (i = 0; i < WEP_KEYS; i++) {
313 if (ieee->crypt[i]) {
314 if (key_provided)
315 break;
316 ieee80211_crypt_delayed_deinit(
317 ieee, &ieee->crypt[i]);
318 }
319 }
320
321 if (i == WEP_KEYS) {
322 sec.enabled = 0;
323 sec.level = SEC_LEVEL_0;
324 sec.flags |= SEC_ENABLED | SEC_LEVEL;
325 }
326
327 goto done;
328 }
329
330
331
332 sec.enabled = 1;
333 sec.flags |= SEC_ENABLED;
334
335 if (*crypt && (*crypt)->ops &&
336 strcmp((*crypt)->ops->name, "WEP") != 0) {
337 /* changing to use WEP; deinit previously used algorithm
338 * on this key */
339 ieee80211_crypt_delayed_deinit(ieee, crypt);
340 }
341
342 if (!*crypt) {
343 struct ieee80211_crypt_data *new_crypt;
344
345 /* take WEP into use */
346 new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data),
347 GFP_KERNEL);
348 if (!new_crypt)
349 return -ENOMEM;
350 new_crypt->ops = try_then_request_module(ieee80211_get_crypto_ops("WEP"),
351 "ieee80211_crypt_wep");
352 if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
353 new_crypt->priv = new_crypt->ops->init(key);
354
355 if (!new_crypt->ops || !new_crypt->priv) {
356 kfree(new_crypt);
357 new_crypt = NULL;
358
359 printk(KERN_WARNING "%s: could not initialize WEP: "
360 "load module ieee80211_crypt_wep\n",
361 dev->name);
362 return -EOPNOTSUPP;
363 }
364 *crypt = new_crypt;
365 }
366
367 /* If a new key was provided, set it up */
368 if (erq->length > 0) {
369 len = erq->length <= 5 ? 5 : 13;
370 memcpy(sec.keys[key], keybuf, erq->length);
371 if (len > erq->length)
372 memset(sec.keys[key] + erq->length, 0,
373 len - erq->length);
374 IEEE80211_DEBUG_WX("Setting key %d to '%s' (%d:%d bytes)\n",
375 key, escape_essid(sec.keys[key], len),
376 erq->length, len);
377 sec.key_sizes[key] = len;
378 (*crypt)->ops->set_key(sec.keys[key], len, NULL,
379 (*crypt)->priv);
380 sec.flags |= BIT(key);
381 /* This ensures a key will be activated if no key is
382 * explicitly set
383 */
384 if (key == sec.active_key)
385 sec.flags |= SEC_ACTIVE_KEY;
386 ieee->tx_keyidx = key;
387
388 } else {
389 len = (*crypt)->ops->get_key(sec.keys[key], WEP_KEY_LEN,
390 NULL, (*crypt)->priv);
391 if (len == 0) {
392 /* Set a default key of all 0 */
393 printk("Setting key %d to all zero.\n",
394 key);
395
396 IEEE80211_DEBUG_WX("Setting key %d to all zero.\n",
397 key);
398 memset(sec.keys[key], 0, 13);
399 (*crypt)->ops->set_key(sec.keys[key], 13, NULL,
400 (*crypt)->priv);
401 sec.key_sizes[key] = 13;
402 sec.flags |= BIT(key);
403 }
404
405 /* No key data - just set the default TX key index */
406 if (key_provided) {
407 IEEE80211_DEBUG_WX(
408 "Setting key %d to default Tx key.\n", key);
409 ieee->tx_keyidx = key;
410 sec.active_key = key;
411 sec.flags |= SEC_ACTIVE_KEY;
412 }
413 }
414
415 done:
416 ieee->open_wep = !(erq->flags & IW_ENCODE_RESTRICTED);
417 ieee->auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY;
418 sec.auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY;
419 sec.flags |= SEC_AUTH_MODE;
420 IEEE80211_DEBUG_WX("Auth: %s\n", sec.auth_mode == WLAN_AUTH_OPEN ?
421 "OPEN" : "SHARED KEY");
422
423 /* For now we just support WEP, so only set that security level...
424 * TODO: When WPA is added this is one place that needs to change */
425 sec.flags |= SEC_LEVEL;
426 sec.level = SEC_LEVEL_1; /* 40 and 104 bit WEP */
427
428 if (ieee->set_security)
429 ieee->set_security(dev, &sec);
430
431 /* Do not reset port if card is in Managed mode since resetting will
432 * generate new IEEE 802.11 authentication which may end up in looping
433 * with IEEE 802.1X. If your hardware requires a reset after WEP
434 * configuration (for example... Prism2), implement the reset_port in
435 * the callbacks structures used to initialize the 802.11 stack. */
436 if (ieee->reset_on_keychange &&
437 ieee->iw_mode != IW_MODE_INFRA &&
438 ieee->reset_port && ieee->reset_port(dev)) {
439 printk(KERN_DEBUG "%s: reset_port failed\n", dev->name);
440 return -EINVAL;
441 }
442 return 0;
443 }
444 EXPORT_SYMBOL(ieee80211_wx_set_encode);
445
ieee80211_wx_get_encode(struct ieee80211_device * ieee,struct iw_request_info * info,union iwreq_data * wrqu,char * keybuf)446 int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
447 struct iw_request_info *info,
448 union iwreq_data *wrqu, char *keybuf)
449 {
450 struct iw_point *erq = &(wrqu->encoding);
451 int len, key;
452 struct ieee80211_crypt_data *crypt;
453
454 IEEE80211_DEBUG_WX("GET_ENCODE\n");
455
456 if (ieee->iw_mode == IW_MODE_MONITOR)
457 return -1;
458
459 key = erq->flags & IW_ENCODE_INDEX;
460 if (key) {
461 if (key > WEP_KEYS)
462 return -EINVAL;
463 key--;
464 } else
465 key = ieee->tx_keyidx;
466
467 crypt = ieee->crypt[key];
468 erq->flags = key + 1;
469
470 if (!crypt || !crypt->ops) {
471 erq->length = 0;
472 erq->flags |= IW_ENCODE_DISABLED;
473 return 0;
474 }
475 len = crypt->ops->get_key(keybuf, SCM_KEY_LEN, NULL, crypt->priv);
476 erq->length = (len >= 0 ? len : 0);
477
478 erq->flags |= IW_ENCODE_ENABLED;
479
480 if (ieee->open_wep)
481 erq->flags |= IW_ENCODE_OPEN;
482 else
483 erq->flags |= IW_ENCODE_RESTRICTED;
484
485 return 0;
486 }
487 EXPORT_SYMBOL(ieee80211_wx_get_encode);
488
ieee80211_wx_set_encode_ext(struct ieee80211_device * ieee,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)489 int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
490 struct iw_request_info *info,
491 union iwreq_data *wrqu, char *extra)
492 {
493 int ret = 0;
494 struct net_device *dev = ieee->dev;
495 struct iw_point *encoding = &wrqu->encoding;
496 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
497 int i, idx;
498 int group_key = 0;
499 const char *alg, *module;
500 struct ieee80211_crypto_ops *ops;
501 struct ieee80211_crypt_data **crypt;
502
503 struct ieee80211_security sec = {
504 .flags = 0,
505 };
506 idx = encoding->flags & IW_ENCODE_INDEX;
507 if (idx) {
508 if (idx < 1 || idx > WEP_KEYS)
509 return -EINVAL;
510 idx--;
511 } else
512 idx = ieee->tx_keyidx;
513
514 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
515
516 crypt = &ieee->crypt[idx];
517
518 group_key = 1;
519 } else {
520 /* some Cisco APs use idx>0 for unicast in dynamic WEP */
521 if (idx != 0 && ext->alg != IW_ENCODE_ALG_WEP)
522 return -EINVAL;
523 if (ieee->iw_mode == IW_MODE_INFRA)
524
525 crypt = &ieee->crypt[idx];
526
527 else
528 return -EINVAL;
529 }
530
531 sec.flags |= SEC_ENABLED;// | SEC_ENCRYPT;
532 if ((encoding->flags & IW_ENCODE_DISABLED) ||
533 ext->alg == IW_ENCODE_ALG_NONE) {
534 if (*crypt)
535 ieee80211_crypt_delayed_deinit(ieee, crypt);
536
537 for (i = 0; i < WEP_KEYS; i++)
538
539 if (ieee->crypt[i])
540
541 break;
542
543 if (i == WEP_KEYS) {
544 sec.enabled = 0;
545 // sec.encrypt = 0;
546 sec.level = SEC_LEVEL_0;
547 sec.flags |= SEC_LEVEL;
548 }
549 goto done;
550 }
551
552 sec.enabled = 1;
553 // sec.encrypt = 1;
554 switch (ext->alg) {
555 case IW_ENCODE_ALG_WEP:
556 alg = "WEP";
557 module = "ieee80211_crypt_wep";
558 break;
559 case IW_ENCODE_ALG_TKIP:
560 alg = "TKIP";
561 module = "ieee80211_crypt_tkip";
562 break;
563 case IW_ENCODE_ALG_CCMP:
564 alg = "CCMP";
565 module = "ieee80211_crypt_ccmp";
566 break;
567 default:
568 IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n",
569 dev->name, ext->alg);
570 ret = -EINVAL;
571 goto done;
572 }
573 printk("alg name:%s\n", alg);
574
575 ops = try_then_request_module(ieee80211_get_crypto_ops(alg), module);
576 if (!ops) {
577 IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n",
578 dev->name, ext->alg);
579 printk("========>unknown crypto alg %d\n", ext->alg);
580 ret = -EINVAL;
581 goto done;
582 }
583
584 if (!*crypt || (*crypt)->ops != ops) {
585 struct ieee80211_crypt_data *new_crypt;
586
587 ieee80211_crypt_delayed_deinit(ieee, crypt);
588
589 new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL);
590 if (!new_crypt) {
591 ret = -ENOMEM;
592 goto done;
593 }
594 new_crypt->ops = ops;
595 if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
596 new_crypt->priv = new_crypt->ops->init(idx);
597 if (!new_crypt->priv) {
598 kfree(new_crypt);
599 ret = -EINVAL;
600 goto done;
601 }
602 *crypt = new_crypt;
603 }
604
605 if (ext->key_len > 0 && (*crypt)->ops->set_key &&
606 (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq,
607 (*crypt)->priv) < 0) {
608 IEEE80211_DEBUG_WX("%s: key setting failed\n", dev->name);
609 printk("key setting failed\n");
610 ret = -EINVAL;
611 goto done;
612 }
613 //skip_host_crypt:
614 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
615 ieee->tx_keyidx = idx;
616 sec.active_key = idx;
617 sec.flags |= SEC_ACTIVE_KEY;
618 }
619
620 if (ext->alg != IW_ENCODE_ALG_NONE) {
621 //memcpy(sec.keys[idx], ext->key, ext->key_len);
622 sec.key_sizes[idx] = ext->key_len;
623 sec.flags |= BIT(idx);
624 if (ext->alg == IW_ENCODE_ALG_WEP) {
625 // sec.encode_alg[idx] = SEC_ALG_WEP;
626 sec.flags |= SEC_LEVEL;
627 sec.level = SEC_LEVEL_1;
628 } else if (ext->alg == IW_ENCODE_ALG_TKIP) {
629 // sec.encode_alg[idx] = SEC_ALG_TKIP;
630 sec.flags |= SEC_LEVEL;
631 sec.level = SEC_LEVEL_2;
632 } else if (ext->alg == IW_ENCODE_ALG_CCMP) {
633 // sec.encode_alg[idx] = SEC_ALG_CCMP;
634 sec.flags |= SEC_LEVEL;
635 sec.level = SEC_LEVEL_3;
636 }
637 /* Don't set sec level for group keys. */
638 if (group_key)
639 sec.flags &= ~SEC_LEVEL;
640 }
641 done:
642 if (ieee->set_security)
643 ieee->set_security(ieee->dev, &sec);
644
645 if (ieee->reset_on_keychange &&
646 ieee->iw_mode != IW_MODE_INFRA &&
647 ieee->reset_port && ieee->reset_port(dev)) {
648 IEEE80211_DEBUG_WX("%s: reset_port failed\n", dev->name);
649 return -EINVAL;
650 }
651 return ret;
652 }
653 EXPORT_SYMBOL(ieee80211_wx_set_encode_ext);
654
ieee80211_wx_get_encode_ext(struct ieee80211_device * ieee,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)655 int ieee80211_wx_get_encode_ext(struct ieee80211_device *ieee,
656 struct iw_request_info *info,
657 union iwreq_data *wrqu, char *extra)
658 {
659 struct iw_point *encoding = &wrqu->encoding;
660 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
661 struct ieee80211_crypt_data *crypt;
662 int idx, max_key_len;
663
664 max_key_len = encoding->length - sizeof(*ext);
665 if (max_key_len < 0)
666 return -EINVAL;
667
668 idx = encoding->flags & IW_ENCODE_INDEX;
669 if (idx) {
670 if (idx < 1 || idx > WEP_KEYS)
671 return -EINVAL;
672 idx--;
673 } else
674 idx = ieee->tx_keyidx;
675
676 if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) &&
677 ext->alg != IW_ENCODE_ALG_WEP)
678 if (idx != 0 || ieee->iw_mode != IW_MODE_INFRA)
679 return -EINVAL;
680
681 crypt = ieee->crypt[idx];
682 encoding->flags = idx + 1;
683 memset(ext, 0, sizeof(*ext));
684
685 if (!crypt || !crypt->ops) {
686 ext->alg = IW_ENCODE_ALG_NONE;
687 ext->key_len = 0;
688 encoding->flags |= IW_ENCODE_DISABLED;
689 } else {
690 if (strcmp(crypt->ops->name, "WEP") == 0)
691 ext->alg = IW_ENCODE_ALG_WEP;
692 else if (strcmp(crypt->ops->name, "TKIP"))
693 ext->alg = IW_ENCODE_ALG_TKIP;
694 else if (strcmp(crypt->ops->name, "CCMP"))
695 ext->alg = IW_ENCODE_ALG_CCMP;
696 else
697 return -EINVAL;
698 ext->key_len = crypt->ops->get_key(ext->key, SCM_KEY_LEN, NULL, crypt->priv);
699 encoding->flags |= IW_ENCODE_ENABLED;
700 if (ext->key_len &&
701 (ext->alg == IW_ENCODE_ALG_TKIP ||
702 ext->alg == IW_ENCODE_ALG_CCMP))
703 ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID;
704 }
705
706 return 0;
707 }
708 EXPORT_SYMBOL(ieee80211_wx_get_encode_ext);
709
ieee80211_wx_set_mlme(struct ieee80211_device * ieee,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)710 int ieee80211_wx_set_mlme(struct ieee80211_device *ieee,
711 struct iw_request_info *info,
712 union iwreq_data *wrqu, char *extra)
713 {
714 struct iw_mlme *mlme = (struct iw_mlme *)extra;
715 switch (mlme->cmd) {
716 case IW_MLME_DEAUTH:
717 case IW_MLME_DISASSOC:
718 ieee80211_disassociate(ieee);
719 break;
720 default:
721 return -EOPNOTSUPP;
722 }
723 return 0;
724 }
725 EXPORT_SYMBOL(ieee80211_wx_set_mlme);
726
ieee80211_wx_set_auth(struct ieee80211_device * ieee,struct iw_request_info * info,struct iw_param * data,char * extra)727 int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
728 struct iw_request_info *info,
729 struct iw_param *data, char *extra)
730 {
731 switch (data->flags & IW_AUTH_INDEX) {
732 case IW_AUTH_WPA_VERSION:
733 /*need to support wpa2 here*/
734 break;
735 case IW_AUTH_CIPHER_PAIRWISE:
736 case IW_AUTH_CIPHER_GROUP:
737 case IW_AUTH_KEY_MGMT:
738 /*
739 * * Host AP driver does not use these parameters and allows
740 * * wpa_supplicant to control them internally.
741 * */
742 break;
743 case IW_AUTH_TKIP_COUNTERMEASURES:
744 ieee->tkip_countermeasures = data->value;
745 break;
746 case IW_AUTH_DROP_UNENCRYPTED:
747 ieee->drop_unencrypted = data->value;
748 break;
749
750 case IW_AUTH_80211_AUTH_ALG:
751 //printk("======>%s():data->value is %d\n",__func__,data->value);
752 // ieee->open_wep = (data->value&IW_AUTH_ALG_OPEN_SYSTEM)?1:0;
753 if (data->value & IW_AUTH_ALG_SHARED_KEY) {
754 ieee->open_wep = 0;
755 ieee->auth_mode = 1;
756 } else if (data->value & IW_AUTH_ALG_OPEN_SYSTEM) {
757 ieee->open_wep = 1;
758 ieee->auth_mode = 0;
759 } else if (data->value & IW_AUTH_ALG_LEAP) {
760 ieee->open_wep = 1;
761 ieee->auth_mode = 2;
762 } else
763 return -EINVAL;
764 break;
765
766 case IW_AUTH_WPA_ENABLED:
767 ieee->wpa_enabled = (data->value) ? 1 : 0;
768 break;
769
770 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
771 ieee->ieee802_1x = data->value;
772 break;
773 case IW_AUTH_PRIVACY_INVOKED:
774 ieee->privacy_invoked = data->value;
775 break;
776 default:
777 return -EOPNOTSUPP;
778 }
779 return 0;
780 }
781 EXPORT_SYMBOL(ieee80211_wx_set_auth);
782
ieee80211_wx_set_gen_ie(struct ieee80211_device * ieee,u8 * ie,size_t len)783 int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len)
784 {
785 u8 *buf;
786
787 if (len > MAX_WPA_IE_LEN || (len && !ie)) {
788 //printk("return error out, len:%d\n", len);
789 return -EINVAL;
790 }
791
792
793 if (len) {
794 if (len != ie[1] + 2) {
795 printk("len:%zu, ie:%d\n", len, ie[1]);
796 return -EINVAL;
797 }
798 buf = kmemdup(ie, len, GFP_KERNEL);
799 if (!buf)
800 return -ENOMEM;
801 kfree(ieee->wpa_ie);
802 ieee->wpa_ie = buf;
803 ieee->wpa_ie_len = len;
804 } else {
805 kfree(ieee->wpa_ie);
806 ieee->wpa_ie = NULL;
807 ieee->wpa_ie_len = 0;
808 }
809 return 0;
810 }
811 EXPORT_SYMBOL(ieee80211_wx_set_gen_ie);
812