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 += 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
ieee80211_wx_get_scan(struct ieee80211_device * ieee,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)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
ieee80211_wx_set_encode(struct ieee80211_device * ieee,struct iw_request_info * info,union iwreq_data * wrqu,char * keybuf)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
ieee80211_wx_get_encode(struct ieee80211_device * ieee,struct iw_request_info * info,union iwreq_data * wrqu,char * keybuf)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
ieee80211_wx_set_encode_ext(struct ieee80211_device * ieee,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)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
ieee80211_wx_get_encode_ext(struct ieee80211_device * ieee,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)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
ieee80211_wx_set_mlme(struct ieee80211_device * ieee,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)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
ieee80211_wx_set_auth(struct ieee80211_device * ieee,struct iw_request_info * info,struct iw_param * data,char * extra)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
ieee80211_wx_set_gen_ie(struct ieee80211_device * ieee,u8 * ie,size_t len)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