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5f53d8ca JC |
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/version.h> | |
34 | #include <linux/kmod.h> | |
35 | #include <linux/module.h> | |
36 | ||
37 | #include "ieee80211.h" | |
35c1b462 | 38 | |
5f53d8ca JC |
39 | struct modes_unit { |
40 | char *mode_string; | |
41 | int mode_size; | |
42 | }; | |
43 | struct modes_unit ieee80211_modes[] = { | |
44 | {"a",1}, | |
45 | {"b",1}, | |
46 | {"g",1}, | |
47 | {"?",1}, | |
48 | {"N-24G",5}, | |
49 | {"N-5G",4}, | |
50 | }; | |
51 | ||
5f53d8ca | 52 | #define iwe_stream_add_event_rsl iwe_stream_add_event |
5f53d8ca JC |
53 | |
54 | #define MAX_CUSTOM_LEN 64 | |
55 | static inline char *rtl819x_translate_scan(struct ieee80211_device *ieee, | |
56 | char *start, char *stop, | |
57 | struct ieee80211_network *network, | |
58 | struct iw_request_info *info) | |
59 | { | |
60 | char custom[MAX_CUSTOM_LEN]; | |
61 | char proto_name[IFNAMSIZ]; | |
62 | char *pname = proto_name; | |
63 | char *p; | |
64 | struct iw_event iwe; | |
65 | int i, j; | |
66 | u16 max_rate, rate; | |
67 | static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; | |
68 | ||
69 | /* First entry *MUST* be the AP MAC address */ | |
70 | iwe.cmd = SIOCGIWAP; | |
71 | iwe.u.ap_addr.sa_family = ARPHRD_ETHER; | |
72 | memcpy(iwe.u.ap_addr.sa_data, network->bssid, ETH_ALEN); | |
5f53d8ca | 73 | start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_ADDR_LEN); |
1ec9e48d | 74 | |
5f53d8ca JC |
75 | /* Remaining entries will be displayed in the order we provide them */ |
76 | ||
77 | /* Add the ESSID */ | |
78 | iwe.cmd = SIOCGIWESSID; | |
79 | iwe.u.data.flags = 1; | |
80 | // if (network->flags & NETWORK_EMPTY_ESSID) { | |
81 | if (network->ssid_len == 0) { | |
82 | iwe.u.data.length = sizeof("<hidden>"); | |
5f53d8ca | 83 | start = iwe_stream_add_point(info, start, stop, &iwe, "<hidden>"); |
5f53d8ca JC |
84 | } else { |
85 | iwe.u.data.length = min(network->ssid_len, (u8)32); | |
5f53d8ca | 86 | start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid); |
5f53d8ca JC |
87 | } |
88 | /* Add the protocol name */ | |
89 | iwe.cmd = SIOCGIWNAME; | |
b6ac1613 | 90 | for(i=0; i<ARRAY_SIZE(ieee80211_modes); i++) { |
5f53d8ca JC |
91 | if(network->mode&(1<<i)) { |
92 | sprintf(pname,ieee80211_modes[i].mode_string,ieee80211_modes[i].mode_size); | |
93 | pname +=ieee80211_modes[i].mode_size; | |
94 | } | |
95 | } | |
96 | *pname = '\0'; | |
97 | snprintf(iwe.u.name, IFNAMSIZ, "IEEE802.11%s", proto_name); | |
5f53d8ca | 98 | start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_CHAR_LEN); |
5f53d8ca JC |
99 | /* Add mode */ |
100 | iwe.cmd = SIOCGIWMODE; | |
101 | if (network->capability & | |
102 | (WLAN_CAPABILITY_BSS | WLAN_CAPABILITY_IBSS)) { | |
103 | if (network->capability & WLAN_CAPABILITY_BSS) | |
104 | iwe.u.mode = IW_MODE_MASTER; | |
105 | else | |
106 | iwe.u.mode = IW_MODE_ADHOC; | |
5f53d8ca | 107 | start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_UINT_LEN); |
5f53d8ca JC |
108 | } |
109 | ||
110 | /* Add frequency/channel */ | |
111 | iwe.cmd = SIOCGIWFREQ; | |
112 | /* iwe.u.freq.m = ieee80211_frequency(network->channel, network->mode); | |
113 | iwe.u.freq.e = 3; */ | |
114 | iwe.u.freq.m = network->channel; | |
115 | iwe.u.freq.e = 0; | |
116 | iwe.u.freq.i = 0; | |
5f53d8ca | 117 | start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_FREQ_LEN); |
5f53d8ca JC |
118 | /* Add encryption capability */ |
119 | iwe.cmd = SIOCGIWENCODE; | |
120 | if (network->capability & WLAN_CAPABILITY_PRIVACY) | |
121 | iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; | |
122 | else | |
123 | iwe.u.data.flags = IW_ENCODE_DISABLED; | |
124 | iwe.u.data.length = 0; | |
5f53d8ca | 125 | start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid); |
5f53d8ca JC |
126 | /* Add basic and extended rates */ |
127 | max_rate = 0; | |
128 | p = custom; | |
129 | p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), " Rates (Mb/s): "); | |
130 | for (i = 0, j = 0; i < network->rates_len; ) { | |
131 | if (j < network->rates_ex_len && | |
132 | ((network->rates_ex[j] & 0x7F) < | |
133 | (network->rates[i] & 0x7F))) | |
134 | rate = network->rates_ex[j++] & 0x7F; | |
135 | else | |
136 | rate = network->rates[i++] & 0x7F; | |
137 | if (rate > max_rate) | |
138 | max_rate = rate; | |
139 | p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), | |
140 | "%d%s ", rate >> 1, (rate & 1) ? ".5" : ""); | |
141 | } | |
142 | for (; j < network->rates_ex_len; j++) { | |
143 | rate = network->rates_ex[j] & 0x7F; | |
144 | p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), | |
145 | "%d%s ", rate >> 1, (rate & 1) ? ".5" : ""); | |
146 | if (rate > max_rate) | |
147 | max_rate = rate; | |
148 | } | |
149 | ||
150 | if (network->mode >= IEEE_N_24G)//add N rate here; | |
151 | { | |
152 | PHT_CAPABILITY_ELE ht_cap = NULL; | |
153 | bool is40M = false, isShortGI = false; | |
154 | u8 max_mcs = 0; | |
155 | if (!memcmp(network->bssht.bdHTCapBuf, EWC11NHTCap, 4)) | |
156 | ht_cap = (PHT_CAPABILITY_ELE)&network->bssht.bdHTCapBuf[4]; | |
157 | else | |
158 | ht_cap = (PHT_CAPABILITY_ELE)&network->bssht.bdHTCapBuf[0]; | |
159 | is40M = (ht_cap->ChlWidth)?1:0; | |
160 | isShortGI = (ht_cap->ChlWidth)? | |
161 | ((ht_cap->ShortGI40Mhz)?1:0): | |
162 | ((ht_cap->ShortGI20Mhz)?1:0); | |
163 | ||
164 | max_mcs = HTGetHighestMCSRate(ieee, ht_cap->MCS, MCS_FILTER_ALL); | |
165 | rate = MCS_DATA_RATE[is40M][isShortGI][max_mcs&0x7f]; | |
166 | if (rate > max_rate) | |
167 | max_rate = rate; | |
168 | } | |
35c1b462 | 169 | |
5f53d8ca JC |
170 | iwe.cmd = SIOCGIWRATE; |
171 | iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0; | |
172 | iwe.u.bitrate.value = max_rate * 500000; | |
5f53d8ca JC |
173 | start = iwe_stream_add_event_rsl(info, start, stop, &iwe, |
174 | IW_EV_PARAM_LEN); | |
1ec9e48d | 175 | |
5f53d8ca JC |
176 | iwe.cmd = IWEVCUSTOM; |
177 | iwe.u.data.length = p - custom; | |
178 | if (iwe.u.data.length) | |
5f53d8ca | 179 | start = iwe_stream_add_point(info, start, stop, &iwe, custom); |
1ec9e48d | 180 | |
5f53d8ca JC |
181 | /* Add quality statistics */ |
182 | /* TODO: Fix these values... */ | |
183 | iwe.cmd = IWEVQUAL; | |
184 | iwe.u.qual.qual = network->stats.signal; | |
185 | iwe.u.qual.level = network->stats.rssi; | |
186 | iwe.u.qual.noise = network->stats.noise; | |
187 | iwe.u.qual.updated = network->stats.mask & IEEE80211_STATMASK_WEMASK; | |
188 | if (!(network->stats.mask & IEEE80211_STATMASK_RSSI)) | |
189 | iwe.u.qual.updated |= IW_QUAL_LEVEL_INVALID; | |
190 | if (!(network->stats.mask & IEEE80211_STATMASK_NOISE)) | |
191 | iwe.u.qual.updated |= IW_QUAL_NOISE_INVALID; | |
192 | if (!(network->stats.mask & IEEE80211_STATMASK_SIGNAL)) | |
193 | iwe.u.qual.updated |= IW_QUAL_QUAL_INVALID; | |
194 | iwe.u.qual.updated = 7; | |
5f53d8ca | 195 | start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_QUAL_LEN); |
5f53d8ca JC |
196 | iwe.cmd = IWEVCUSTOM; |
197 | p = custom; | |
198 | ||
199 | iwe.u.data.length = p - custom; | |
200 | if (iwe.u.data.length) | |
5f53d8ca | 201 | start = iwe_stream_add_point(info, start, stop, &iwe, custom); |
5f53d8ca | 202 | |
5f53d8ca JC |
203 | memset(&iwe, 0, sizeof(iwe)); |
204 | if (network->wpa_ie_len) | |
205 | { | |
206 | char buf[MAX_WPA_IE_LEN]; | |
207 | memcpy(buf, network->wpa_ie, network->wpa_ie_len); | |
208 | iwe.cmd = IWEVGENIE; | |
209 | iwe.u.data.length = network->wpa_ie_len; | |
5f53d8ca | 210 | start = iwe_stream_add_point(info, start, stop, &iwe, buf); |
5f53d8ca JC |
211 | } |
212 | memset(&iwe, 0, sizeof(iwe)); | |
213 | if (network->rsn_ie_len) | |
214 | { | |
215 | char buf[MAX_WPA_IE_LEN]; | |
216 | memcpy(buf, network->rsn_ie, network->rsn_ie_len); | |
217 | iwe.cmd = IWEVGENIE; | |
218 | iwe.u.data.length = network->rsn_ie_len; | |
5f53d8ca | 219 | start = iwe_stream_add_point(info, start, stop, &iwe, buf); |
5f53d8ca | 220 | } |
5f53d8ca JC |
221 | |
222 | /* Add EXTRA: Age to display seconds since last beacon/probe response | |
223 | * for given network. */ | |
224 | iwe.cmd = IWEVCUSTOM; | |
225 | p = custom; | |
226 | p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), | |
227 | " Last beacon: %lums ago", (jiffies - network->last_scanned) / (HZ / 100)); | |
228 | iwe.u.data.length = p - custom; | |
229 | if (iwe.u.data.length) | |
5f53d8ca | 230 | start = iwe_stream_add_point(info, start, stop, &iwe, custom); |
5f53d8ca JC |
231 | |
232 | return start; | |
233 | } | |
234 | ||
235 | int ieee80211_wx_get_scan(struct ieee80211_device *ieee, | |
236 | struct iw_request_info *info, | |
237 | union iwreq_data *wrqu, char *extra) | |
238 | { | |
239 | struct ieee80211_network *network; | |
240 | unsigned long flags; | |
241 | ||
242 | char *ev = extra; | |
243 | // char *stop = ev + IW_SCAN_MAX_DATA; | |
244 | char *stop = ev + wrqu->data.length;//IW_SCAN_MAX_DATA; | |
245 | //char *stop = ev + IW_SCAN_MAX_DATA; | |
246 | int i = 0; | |
247 | int err = 0; | |
248 | IEEE80211_DEBUG_WX("Getting scan\n"); | |
249 | down(&ieee->wx_sem); | |
250 | spin_lock_irqsave(&ieee->lock, flags); | |
251 | ||
252 | list_for_each_entry(network, &ieee->network_list, list) { | |
253 | i++; | |
254 | if((stop-ev)<200) | |
255 | { | |
256 | err = -E2BIG; | |
257 | break; | |
258 | } | |
259 | if (ieee->scan_age == 0 || | |
260 | time_after(network->last_scanned + ieee->scan_age, jiffies)) | |
261 | ev = rtl819x_translate_scan(ieee, ev, stop, network, info); | |
262 | else | |
263 | IEEE80211_DEBUG_SCAN( | |
264 | "Not showing network '%s (" | |
265 | MAC_FMT ")' due to age (%lums).\n", | |
266 | escape_essid(network->ssid, | |
267 | network->ssid_len), | |
268 | MAC_ARG(network->bssid), | |
269 | (jiffies - network->last_scanned) / (HZ / 100)); | |
270 | } | |
271 | ||
272 | spin_unlock_irqrestore(&ieee->lock, flags); | |
273 | up(&ieee->wx_sem); | |
274 | wrqu->data.length = ev - extra; | |
275 | wrqu->data.flags = 0; | |
276 | ||
277 | IEEE80211_DEBUG_WX("exit: %d networks returned.\n", i); | |
278 | ||
279 | return err; | |
280 | } | |
281 | ||
282 | int ieee80211_wx_set_encode(struct ieee80211_device *ieee, | |
283 | struct iw_request_info *info, | |
284 | union iwreq_data *wrqu, char *keybuf) | |
285 | { | |
286 | struct iw_point *erq = &(wrqu->encoding); | |
287 | struct net_device *dev = ieee->dev; | |
288 | struct ieee80211_security sec = { | |
289 | .flags = 0 | |
290 | }; | |
291 | int i, key, key_provided, len; | |
292 | struct ieee80211_crypt_data **crypt; | |
293 | ||
294 | IEEE80211_DEBUG_WX("SET_ENCODE\n"); | |
295 | ||
296 | key = erq->flags & IW_ENCODE_INDEX; | |
297 | if (key) { | |
298 | if (key > WEP_KEYS) | |
299 | return -EINVAL; | |
300 | key--; | |
301 | key_provided = 1; | |
302 | } else { | |
303 | key_provided = 0; | |
304 | key = ieee->tx_keyidx; | |
305 | } | |
306 | ||
307 | IEEE80211_DEBUG_WX("Key: %d [%s]\n", key, key_provided ? | |
308 | "provided" : "default"); | |
309 | crypt = &ieee->crypt[key]; | |
310 | ||
311 | if (erq->flags & IW_ENCODE_DISABLED) { | |
312 | if (key_provided && *crypt) { | |
313 | IEEE80211_DEBUG_WX("Disabling encryption on key %d.\n", | |
314 | key); | |
315 | ieee80211_crypt_delayed_deinit(ieee, crypt); | |
316 | } else | |
317 | IEEE80211_DEBUG_WX("Disabling encryption.\n"); | |
318 | ||
319 | /* Check all the keys to see if any are still configured, | |
320 | * and if no key index was provided, de-init them all */ | |
321 | for (i = 0; i < WEP_KEYS; i++) { | |
322 | if (ieee->crypt[i] != NULL) { | |
323 | if (key_provided) | |
324 | break; | |
325 | ieee80211_crypt_delayed_deinit( | |
326 | ieee, &ieee->crypt[i]); | |
327 | } | |
328 | } | |
329 | ||
330 | if (i == WEP_KEYS) { | |
331 | sec.enabled = 0; | |
332 | sec.level = SEC_LEVEL_0; | |
333 | sec.flags |= SEC_ENABLED | SEC_LEVEL; | |
334 | } | |
335 | ||
336 | goto done; | |
337 | } | |
338 | ||
339 | ||
340 | ||
341 | sec.enabled = 1; | |
342 | sec.flags |= SEC_ENABLED; | |
343 | ||
344 | if (*crypt != NULL && (*crypt)->ops != NULL && | |
345 | strcmp((*crypt)->ops->name, "WEP") != 0) { | |
346 | /* changing to use WEP; deinit previously used algorithm | |
347 | * on this key */ | |
348 | ieee80211_crypt_delayed_deinit(ieee, crypt); | |
349 | } | |
350 | ||
351 | if (*crypt == NULL) { | |
352 | struct ieee80211_crypt_data *new_crypt; | |
353 | ||
354 | /* take WEP into use */ | |
355 | new_crypt = kmalloc(sizeof(struct ieee80211_crypt_data), | |
356 | GFP_KERNEL); | |
357 | if (new_crypt == NULL) | |
358 | return -ENOMEM; | |
359 | memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data)); | |
360 | new_crypt->ops = ieee80211_get_crypto_ops("WEP"); | |
361 | if (!new_crypt->ops) { | |
362 | request_module("ieee80211_crypt_wep"); | |
363 | new_crypt->ops = ieee80211_get_crypto_ops("WEP"); | |
364 | } | |
5f53d8ca | 365 | if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) |
5f53d8ca JC |
366 | new_crypt->priv = new_crypt->ops->init(key); |
367 | ||
368 | if (!new_crypt->ops || !new_crypt->priv) { | |
369 | kfree(new_crypt); | |
370 | new_crypt = NULL; | |
371 | ||
372 | printk(KERN_WARNING "%s: could not initialize WEP: " | |
373 | "load module ieee80211_crypt_wep\n", | |
374 | dev->name); | |
375 | return -EOPNOTSUPP; | |
376 | } | |
377 | *crypt = new_crypt; | |
378 | } | |
379 | ||
380 | /* If a new key was provided, set it up */ | |
381 | if (erq->length > 0) { | |
382 | len = erq->length <= 5 ? 5 : 13; | |
383 | memcpy(sec.keys[key], keybuf, erq->length); | |
384 | if (len > erq->length) | |
385 | memset(sec.keys[key] + erq->length, 0, | |
386 | len - erq->length); | |
387 | IEEE80211_DEBUG_WX("Setting key %d to '%s' (%d:%d bytes)\n", | |
388 | key, escape_essid(sec.keys[key], len), | |
389 | erq->length, len); | |
390 | sec.key_sizes[key] = len; | |
391 | (*crypt)->ops->set_key(sec.keys[key], len, NULL, | |
392 | (*crypt)->priv); | |
393 | sec.flags |= (1 << key); | |
394 | /* This ensures a key will be activated if no key is | |
395 | * explicitely set */ | |
396 | if (key == sec.active_key) | |
397 | sec.flags |= SEC_ACTIVE_KEY; | |
398 | ieee->tx_keyidx = key; | |
399 | ||
400 | } else { | |
401 | len = (*crypt)->ops->get_key(sec.keys[key], WEP_KEY_LEN, | |
402 | NULL, (*crypt)->priv); | |
403 | if (len == 0) { | |
404 | /* Set a default key of all 0 */ | |
405 | printk("Setting key %d to all zero.\n", | |
406 | key); | |
407 | ||
408 | IEEE80211_DEBUG_WX("Setting key %d to all zero.\n", | |
409 | key); | |
410 | memset(sec.keys[key], 0, 13); | |
411 | (*crypt)->ops->set_key(sec.keys[key], 13, NULL, | |
412 | (*crypt)->priv); | |
413 | sec.key_sizes[key] = 13; | |
414 | sec.flags |= (1 << key); | |
415 | } | |
416 | ||
417 | /* No key data - just set the default TX key index */ | |
418 | if (key_provided) { | |
419 | IEEE80211_DEBUG_WX( | |
420 | "Setting key %d to default Tx key.\n", key); | |
421 | ieee->tx_keyidx = key; | |
422 | sec.active_key = key; | |
423 | sec.flags |= SEC_ACTIVE_KEY; | |
424 | } | |
425 | } | |
426 | ||
427 | done: | |
428 | ieee->open_wep = !(erq->flags & IW_ENCODE_RESTRICTED); | |
429 | ieee->auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY; | |
430 | sec.auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY; | |
431 | sec.flags |= SEC_AUTH_MODE; | |
432 | IEEE80211_DEBUG_WX("Auth: %s\n", sec.auth_mode == WLAN_AUTH_OPEN ? | |
433 | "OPEN" : "SHARED KEY"); | |
434 | ||
435 | /* For now we just support WEP, so only set that security level... | |
436 | * TODO: When WPA is added this is one place that needs to change */ | |
437 | sec.flags |= SEC_LEVEL; | |
438 | sec.level = SEC_LEVEL_1; /* 40 and 104 bit WEP */ | |
439 | ||
440 | if (ieee->set_security) | |
441 | ieee->set_security(dev, &sec); | |
442 | ||
443 | /* Do not reset port if card is in Managed mode since resetting will | |
444 | * generate new IEEE 802.11 authentication which may end up in looping | |
445 | * with IEEE 802.1X. If your hardware requires a reset after WEP | |
446 | * configuration (for example... Prism2), implement the reset_port in | |
447 | * the callbacks structures used to initialize the 802.11 stack. */ | |
448 | if (ieee->reset_on_keychange && | |
449 | ieee->iw_mode != IW_MODE_INFRA && | |
450 | ieee->reset_port && ieee->reset_port(dev)) { | |
451 | printk(KERN_DEBUG "%s: reset_port failed\n", dev->name); | |
452 | return -EINVAL; | |
453 | } | |
454 | return 0; | |
455 | } | |
456 | ||
457 | int ieee80211_wx_get_encode(struct ieee80211_device *ieee, | |
458 | struct iw_request_info *info, | |
459 | union iwreq_data *wrqu, char *keybuf) | |
460 | { | |
461 | struct iw_point *erq = &(wrqu->encoding); | |
462 | int len, key; | |
463 | struct ieee80211_crypt_data *crypt; | |
464 | ||
465 | IEEE80211_DEBUG_WX("GET_ENCODE\n"); | |
466 | ||
467 | if(ieee->iw_mode == IW_MODE_MONITOR) | |
468 | return -1; | |
469 | ||
470 | key = erq->flags & IW_ENCODE_INDEX; | |
471 | if (key) { | |
472 | if (key > WEP_KEYS) | |
473 | return -EINVAL; | |
474 | key--; | |
475 | } else | |
476 | key = ieee->tx_keyidx; | |
477 | ||
478 | crypt = ieee->crypt[key]; | |
479 | erq->flags = key + 1; | |
480 | ||
481 | if (crypt == NULL || crypt->ops == NULL) { | |
482 | erq->length = 0; | |
483 | erq->flags |= IW_ENCODE_DISABLED; | |
484 | return 0; | |
485 | } | |
35c1b462 | 486 | |
5f53d8ca JC |
487 | len = crypt->ops->get_key(keybuf, SCM_KEY_LEN, NULL, crypt->priv); |
488 | erq->length = (len >= 0 ? len : 0); | |
489 | ||
490 | erq->flags |= IW_ENCODE_ENABLED; | |
491 | ||
492 | if (ieee->open_wep) | |
493 | erq->flags |= IW_ENCODE_OPEN; | |
494 | else | |
495 | erq->flags |= IW_ENCODE_RESTRICTED; | |
496 | ||
497 | return 0; | |
498 | } | |
3bd709f2 | 499 | |
5f53d8ca JC |
500 | int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, |
501 | struct iw_request_info *info, | |
502 | union iwreq_data *wrqu, char *extra) | |
503 | { | |
504 | int ret = 0; | |
5f53d8ca JC |
505 | struct net_device *dev = ieee->dev; |
506 | struct iw_point *encoding = &wrqu->encoding; | |
507 | struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; | |
508 | int i, idx; | |
509 | int group_key = 0; | |
510 | const char *alg, *module; | |
511 | struct ieee80211_crypto_ops *ops; | |
512 | struct ieee80211_crypt_data **crypt; | |
513 | ||
514 | struct ieee80211_security sec = { | |
515 | .flags = 0, | |
516 | }; | |
517 | //printk("======>encoding flag:%x,ext flag:%x, ext alg:%d\n", encoding->flags,ext->ext_flags, ext->alg); | |
518 | idx = encoding->flags & IW_ENCODE_INDEX; | |
519 | if (idx) { | |
520 | if (idx < 1 || idx > WEP_KEYS) | |
521 | return -EINVAL; | |
522 | idx--; | |
523 | } else | |
524 | idx = ieee->tx_keyidx; | |
525 | ||
526 | if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) { | |
527 | ||
528 | crypt = &ieee->crypt[idx]; | |
529 | ||
530 | group_key = 1; | |
531 | } else { | |
532 | /* some Cisco APs use idx>0 for unicast in dynamic WEP */ | |
533 | //printk("not group key, flags:%x, ext->alg:%d\n", ext->ext_flags, ext->alg); | |
534 | if (idx != 0 && ext->alg != IW_ENCODE_ALG_WEP) | |
535 | return -EINVAL; | |
536 | if (ieee->iw_mode == IW_MODE_INFRA) | |
537 | ||
538 | crypt = &ieee->crypt[idx]; | |
539 | ||
540 | else | |
541 | return -EINVAL; | |
542 | } | |
543 | ||
f59d0127 BZ |
544 | sec.flags |= SEC_ENABLED; |
545 | ||
5f53d8ca JC |
546 | if ((encoding->flags & IW_ENCODE_DISABLED) || |
547 | ext->alg == IW_ENCODE_ALG_NONE) { | |
548 | if (*crypt) | |
549 | ieee80211_crypt_delayed_deinit(ieee, crypt); | |
550 | ||
551 | for (i = 0; i < WEP_KEYS; i++) | |
552 | ||
553 | if (ieee->crypt[i] != NULL) | |
554 | ||
555 | break; | |
556 | ||
557 | if (i == WEP_KEYS) { | |
558 | sec.enabled = 0; | |
559 | // sec.encrypt = 0; | |
560 | sec.level = SEC_LEVEL_0; | |
561 | sec.flags |= SEC_LEVEL; | |
562 | } | |
563 | //printk("disabled: flag:%x\n", encoding->flags); | |
564 | goto done; | |
565 | } | |
566 | ||
567 | sec.enabled = 1; | |
568 | // sec.encrypt = 1; | |
35c1b462 | 569 | |
5f53d8ca JC |
570 | switch (ext->alg) { |
571 | case IW_ENCODE_ALG_WEP: | |
572 | alg = "WEP"; | |
573 | module = "ieee80211_crypt_wep"; | |
574 | break; | |
575 | case IW_ENCODE_ALG_TKIP: | |
576 | alg = "TKIP"; | |
577 | module = "ieee80211_crypt_tkip"; | |
578 | break; | |
579 | case IW_ENCODE_ALG_CCMP: | |
580 | alg = "CCMP"; | |
581 | module = "ieee80211_crypt_ccmp"; | |
582 | break; | |
583 | default: | |
584 | IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", | |
585 | dev->name, ext->alg); | |
586 | ret = -EINVAL; | |
587 | goto done; | |
588 | } | |
589 | printk("alg name:%s\n",alg); | |
590 | ||
591 | ops = ieee80211_get_crypto_ops(alg); | |
592 | if (ops == NULL) { | |
36dbd401 | 593 | request_module("%s", module); |
5f53d8ca JC |
594 | ops = ieee80211_get_crypto_ops(alg); |
595 | } | |
596 | if (ops == NULL) { | |
597 | IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", | |
598 | dev->name, ext->alg); | |
599 | printk("========>unknown crypto alg %d\n", ext->alg); | |
600 | ret = -EINVAL; | |
601 | goto done; | |
602 | } | |
603 | ||
604 | if (*crypt == NULL || (*crypt)->ops != ops) { | |
605 | struct ieee80211_crypt_data *new_crypt; | |
606 | ||
607 | ieee80211_crypt_delayed_deinit(ieee, crypt); | |
608 | ||
5f53d8ca | 609 | new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL); |
5f53d8ca JC |
610 | if (new_crypt == NULL) { |
611 | ret = -ENOMEM; | |
612 | goto done; | |
613 | } | |
614 | new_crypt->ops = ops; | |
615 | if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) | |
616 | new_crypt->priv = new_crypt->ops->init(idx); | |
617 | if (new_crypt->priv == NULL) { | |
618 | kfree(new_crypt); | |
619 | ret = -EINVAL; | |
620 | goto done; | |
621 | } | |
622 | *crypt = new_crypt; | |
623 | ||
624 | } | |
625 | ||
626 | if (ext->key_len > 0 && (*crypt)->ops->set_key && | |
627 | (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq, | |
628 | (*crypt)->priv) < 0) { | |
629 | IEEE80211_DEBUG_WX("%s: key setting failed\n", dev->name); | |
630 | printk("key setting failed\n"); | |
631 | ret = -EINVAL; | |
632 | goto done; | |
633 | } | |
634 | #if 1 | |
635 | //skip_host_crypt: | |
636 | //printk("skip_host_crypt:ext_flags:%x\n", ext->ext_flags); | |
637 | if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) { | |
638 | ieee->tx_keyidx = idx; | |
639 | sec.active_key = idx; | |
640 | sec.flags |= SEC_ACTIVE_KEY; | |
641 | } | |
642 | ||
643 | if (ext->alg != IW_ENCODE_ALG_NONE) { | |
644 | //memcpy(sec.keys[idx], ext->key, ext->key_len); | |
645 | sec.key_sizes[idx] = ext->key_len; | |
646 | sec.flags |= (1 << idx); | |
647 | if (ext->alg == IW_ENCODE_ALG_WEP) { | |
5f53d8ca JC |
648 | sec.flags |= SEC_LEVEL; |
649 | sec.level = SEC_LEVEL_1; | |
650 | } else if (ext->alg == IW_ENCODE_ALG_TKIP) { | |
5f53d8ca JC |
651 | sec.flags |= SEC_LEVEL; |
652 | sec.level = SEC_LEVEL_2; | |
653 | } else if (ext->alg == IW_ENCODE_ALG_CCMP) { | |
5f53d8ca JC |
654 | sec.flags |= SEC_LEVEL; |
655 | sec.level = SEC_LEVEL_3; | |
656 | } | |
657 | /* Don't set sec level for group keys. */ | |
658 | if (group_key) | |
659 | sec.flags &= ~SEC_LEVEL; | |
660 | } | |
661 | #endif | |
662 | done: | |
663 | if (ieee->set_security) | |
664 | ieee->set_security(ieee->dev, &sec); | |
665 | ||
666 | if (ieee->reset_on_keychange && | |
667 | ieee->iw_mode != IW_MODE_INFRA && | |
668 | ieee->reset_port && ieee->reset_port(dev)) { | |
669 | IEEE80211_DEBUG_WX("%s: reset_port failed\n", dev->name); | |
670 | return -EINVAL; | |
671 | } | |
1ec9e48d | 672 | |
5f53d8ca JC |
673 | return ret; |
674 | } | |
675 | ||
5f53d8ca JC |
676 | int ieee80211_wx_set_mlme(struct ieee80211_device *ieee, |
677 | struct iw_request_info *info, | |
678 | union iwreq_data *wrqu, char *extra) | |
679 | { | |
5f53d8ca | 680 | struct iw_mlme *mlme = (struct iw_mlme *) extra; |
1ec9e48d | 681 | |
5f53d8ca JC |
682 | switch (mlme->cmd) { |
683 | case IW_MLME_DEAUTH: | |
684 | case IW_MLME_DISASSOC: | |
685 | ieee80211_disassociate(ieee); | |
686 | break; | |
687 | default: | |
688 | return -EOPNOTSUPP; | |
689 | } | |
1ec9e48d | 690 | |
5f53d8ca JC |
691 | return 0; |
692 | } | |
693 | ||
694 | int ieee80211_wx_set_auth(struct ieee80211_device *ieee, | |
695 | struct iw_request_info *info, | |
696 | struct iw_param *data, char *extra) | |
697 | { | |
5f53d8ca JC |
698 | switch (data->flags & IW_AUTH_INDEX) { |
699 | case IW_AUTH_WPA_VERSION: | |
700 | /*need to support wpa2 here*/ | |
701 | //printk("wpa version:%x\n", data->value); | |
702 | break; | |
703 | case IW_AUTH_CIPHER_PAIRWISE: | |
704 | case IW_AUTH_CIPHER_GROUP: | |
705 | case IW_AUTH_KEY_MGMT: | |
706 | /* | |
707 | * * Host AP driver does not use these parameters and allows | |
708 | * * wpa_supplicant to control them internally. | |
709 | * */ | |
710 | break; | |
711 | case IW_AUTH_TKIP_COUNTERMEASURES: | |
712 | ieee->tkip_countermeasures = data->value; | |
713 | break; | |
714 | case IW_AUTH_DROP_UNENCRYPTED: | |
715 | ieee->drop_unencrypted = data->value; | |
716 | break; | |
717 | ||
718 | case IW_AUTH_80211_AUTH_ALG: | |
719 | //printk("======>%s():data->value is %d\n",__FUNCTION__,data->value); | |
720 | // ieee->open_wep = (data->value&IW_AUTH_ALG_OPEN_SYSTEM)?1:0; | |
721 | if(data->value & IW_AUTH_ALG_SHARED_KEY){ | |
722 | ieee->open_wep = 0; | |
723 | ieee->auth_mode = 1; | |
724 | } | |
725 | else if(data->value & IW_AUTH_ALG_OPEN_SYSTEM){ | |
726 | ieee->open_wep = 1; | |
727 | ieee->auth_mode = 0; | |
728 | } | |
729 | else if(data->value & IW_AUTH_ALG_LEAP){ | |
730 | ieee->open_wep = 1; | |
731 | ieee->auth_mode = 2; | |
732 | //printk("hahahaa:LEAP\n"); | |
733 | } | |
734 | else | |
735 | return -EINVAL; | |
736 | //printk("open_wep:%d\n", ieee->open_wep); | |
737 | break; | |
738 | ||
739 | #if 1 | |
740 | case IW_AUTH_WPA_ENABLED: | |
741 | ieee->wpa_enabled = (data->value)?1:0; | |
742 | //printk("enalbe wpa:%d\n", ieee->wpa_enabled); | |
743 | break; | |
744 | ||
745 | #endif | |
746 | case IW_AUTH_RX_UNENCRYPTED_EAPOL: | |
747 | ieee->ieee802_1x = data->value; | |
748 | break; | |
749 | case IW_AUTH_PRIVACY_INVOKED: | |
750 | ieee->privacy_invoked = data->value; | |
751 | break; | |
752 | default: | |
753 | return -EOPNOTSUPP; | |
754 | } | |
1ec9e48d | 755 | |
5f53d8ca JC |
756 | return 0; |
757 | } | |
3bd709f2 | 758 | |
5f53d8ca JC |
759 | #if 1 |
760 | int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len) | |
761 | { | |
5f53d8ca JC |
762 | u8 *buf; |
763 | ||
764 | if (len>MAX_WPA_IE_LEN || (len && ie == NULL)) | |
765 | { | |
766 | // printk("return error out, len:%d\n", len); | |
767 | return -EINVAL; | |
768 | } | |
769 | ||
770 | ||
771 | if (len) | |
772 | { | |
773 | if (len != ie[1]+2) | |
774 | { | |
775 | printk("len:%d, ie:%d\n", len, ie[1]); | |
776 | return -EINVAL; | |
777 | } | |
778 | buf = kmalloc(len, GFP_KERNEL); | |
779 | if (buf == NULL) | |
780 | return -ENOMEM; | |
781 | memcpy(buf, ie, len); | |
782 | kfree(ieee->wpa_ie); | |
783 | ieee->wpa_ie = buf; | |
784 | ieee->wpa_ie_len = len; | |
785 | } | |
786 | else{ | |
787 | if (ieee->wpa_ie) | |
788 | kfree(ieee->wpa_ie); | |
789 | ieee->wpa_ie = NULL; | |
790 | ieee->wpa_ie_len = 0; | |
791 | } | |
1ec9e48d | 792 | |
5f53d8ca JC |
793 | return 0; |
794 | ||
795 | } | |
796 | #endif |