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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" | |
38 | #if 0 | |
39 | static const char *ieee80211_modes[] = { | |
40 | "?", "a", "b", "ab", "g", "ag", "bg", "abg" | |
41 | }; | |
42 | #endif | |
43 | struct modes_unit { | |
44 | char *mode_string; | |
45 | int mode_size; | |
46 | }; | |
47 | struct modes_unit ieee80211_modes[] = { | |
48 | {"a",1}, | |
49 | {"b",1}, | |
50 | {"g",1}, | |
51 | {"?",1}, | |
52 | {"N-24G",5}, | |
53 | {"N-5G",4}, | |
54 | }; | |
55 | ||
5f53d8ca | 56 | #define iwe_stream_add_event_rsl iwe_stream_add_event |
5f53d8ca JC |
57 | |
58 | #define MAX_CUSTOM_LEN 64 | |
59 | static inline char *rtl819x_translate_scan(struct ieee80211_device *ieee, | |
60 | char *start, char *stop, | |
61 | struct ieee80211_network *network, | |
62 | struct iw_request_info *info) | |
63 | { | |
64 | char custom[MAX_CUSTOM_LEN]; | |
65 | char proto_name[IFNAMSIZ]; | |
66 | char *pname = proto_name; | |
67 | char *p; | |
68 | struct iw_event iwe; | |
69 | int i, j; | |
70 | u16 max_rate, rate; | |
71 | static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; | |
72 | ||
73 | /* First entry *MUST* be the AP MAC address */ | |
74 | iwe.cmd = SIOCGIWAP; | |
75 | iwe.u.ap_addr.sa_family = ARPHRD_ETHER; | |
76 | memcpy(iwe.u.ap_addr.sa_data, network->bssid, ETH_ALEN); | |
5f53d8ca | 77 | start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_ADDR_LEN); |
1ec9e48d | 78 | |
5f53d8ca JC |
79 | /* Remaining entries will be displayed in the order we provide them */ |
80 | ||
81 | /* Add the ESSID */ | |
82 | iwe.cmd = SIOCGIWESSID; | |
83 | iwe.u.data.flags = 1; | |
84 | // if (network->flags & NETWORK_EMPTY_ESSID) { | |
85 | if (network->ssid_len == 0) { | |
86 | iwe.u.data.length = sizeof("<hidden>"); | |
5f53d8ca | 87 | start = iwe_stream_add_point(info, start, stop, &iwe, "<hidden>"); |
5f53d8ca JC |
88 | } else { |
89 | iwe.u.data.length = min(network->ssid_len, (u8)32); | |
5f53d8ca | 90 | start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid); |
5f53d8ca JC |
91 | } |
92 | /* Add the protocol name */ | |
93 | iwe.cmd = SIOCGIWNAME; | |
94 | for(i=0; i<(sizeof(ieee80211_modes)/sizeof(ieee80211_modes[0])); i++) { | |
95 | if(network->mode&(1<<i)) { | |
96 | sprintf(pname,ieee80211_modes[i].mode_string,ieee80211_modes[i].mode_size); | |
97 | pname +=ieee80211_modes[i].mode_size; | |
98 | } | |
99 | } | |
100 | *pname = '\0'; | |
101 | snprintf(iwe.u.name, IFNAMSIZ, "IEEE802.11%s", proto_name); | |
5f53d8ca | 102 | start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_CHAR_LEN); |
5f53d8ca JC |
103 | /* Add mode */ |
104 | iwe.cmd = SIOCGIWMODE; | |
105 | if (network->capability & | |
106 | (WLAN_CAPABILITY_BSS | WLAN_CAPABILITY_IBSS)) { | |
107 | if (network->capability & WLAN_CAPABILITY_BSS) | |
108 | iwe.u.mode = IW_MODE_MASTER; | |
109 | else | |
110 | iwe.u.mode = IW_MODE_ADHOC; | |
5f53d8ca | 111 | start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_UINT_LEN); |
5f53d8ca JC |
112 | } |
113 | ||
114 | /* Add frequency/channel */ | |
115 | iwe.cmd = SIOCGIWFREQ; | |
116 | /* iwe.u.freq.m = ieee80211_frequency(network->channel, network->mode); | |
117 | iwe.u.freq.e = 3; */ | |
118 | iwe.u.freq.m = network->channel; | |
119 | iwe.u.freq.e = 0; | |
120 | iwe.u.freq.i = 0; | |
5f53d8ca | 121 | start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_FREQ_LEN); |
5f53d8ca JC |
122 | /* Add encryption capability */ |
123 | iwe.cmd = SIOCGIWENCODE; | |
124 | if (network->capability & WLAN_CAPABILITY_PRIVACY) | |
125 | iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; | |
126 | else | |
127 | iwe.u.data.flags = IW_ENCODE_DISABLED; | |
128 | iwe.u.data.length = 0; | |
5f53d8ca | 129 | start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid); |
5f53d8ca JC |
130 | /* Add basic and extended rates */ |
131 | max_rate = 0; | |
132 | p = custom; | |
133 | p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), " Rates (Mb/s): "); | |
134 | for (i = 0, j = 0; i < network->rates_len; ) { | |
135 | if (j < network->rates_ex_len && | |
136 | ((network->rates_ex[j] & 0x7F) < | |
137 | (network->rates[i] & 0x7F))) | |
138 | rate = network->rates_ex[j++] & 0x7F; | |
139 | else | |
140 | rate = network->rates[i++] & 0x7F; | |
141 | if (rate > max_rate) | |
142 | max_rate = rate; | |
143 | p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), | |
144 | "%d%s ", rate >> 1, (rate & 1) ? ".5" : ""); | |
145 | } | |
146 | for (; j < network->rates_ex_len; j++) { | |
147 | rate = network->rates_ex[j] & 0x7F; | |
148 | p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), | |
149 | "%d%s ", rate >> 1, (rate & 1) ? ".5" : ""); | |
150 | if (rate > max_rate) | |
151 | max_rate = rate; | |
152 | } | |
153 | ||
154 | if (network->mode >= IEEE_N_24G)//add N rate here; | |
155 | { | |
156 | PHT_CAPABILITY_ELE ht_cap = NULL; | |
157 | bool is40M = false, isShortGI = false; | |
158 | u8 max_mcs = 0; | |
159 | if (!memcmp(network->bssht.bdHTCapBuf, EWC11NHTCap, 4)) | |
160 | ht_cap = (PHT_CAPABILITY_ELE)&network->bssht.bdHTCapBuf[4]; | |
161 | else | |
162 | ht_cap = (PHT_CAPABILITY_ELE)&network->bssht.bdHTCapBuf[0]; | |
163 | is40M = (ht_cap->ChlWidth)?1:0; | |
164 | isShortGI = (ht_cap->ChlWidth)? | |
165 | ((ht_cap->ShortGI40Mhz)?1:0): | |
166 | ((ht_cap->ShortGI20Mhz)?1:0); | |
167 | ||
168 | max_mcs = HTGetHighestMCSRate(ieee, ht_cap->MCS, MCS_FILTER_ALL); | |
169 | rate = MCS_DATA_RATE[is40M][isShortGI][max_mcs&0x7f]; | |
170 | if (rate > max_rate) | |
171 | max_rate = rate; | |
172 | } | |
173 | #if 0 | |
174 | printk("max rate:%d ===basic rate:\n", max_rate); | |
175 | for (i=0;i<network->rates_len;i++) | |
176 | printk(" %x", network->rates[i]); | |
177 | printk("\n=======extend rate\n"); | |
178 | for (i=0; i<network->rates_ex_len; i++) | |
179 | printk(" %x", network->rates_ex[i]); | |
180 | printk("\n"); | |
181 | #endif | |
182 | iwe.cmd = SIOCGIWRATE; | |
183 | iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0; | |
184 | iwe.u.bitrate.value = max_rate * 500000; | |
5f53d8ca JC |
185 | start = iwe_stream_add_event_rsl(info, start, stop, &iwe, |
186 | IW_EV_PARAM_LEN); | |
1ec9e48d | 187 | |
5f53d8ca JC |
188 | iwe.cmd = IWEVCUSTOM; |
189 | iwe.u.data.length = p - custom; | |
190 | if (iwe.u.data.length) | |
5f53d8ca | 191 | start = iwe_stream_add_point(info, start, stop, &iwe, custom); |
1ec9e48d | 192 | |
5f53d8ca JC |
193 | /* Add quality statistics */ |
194 | /* TODO: Fix these values... */ | |
195 | iwe.cmd = IWEVQUAL; | |
196 | iwe.u.qual.qual = network->stats.signal; | |
197 | iwe.u.qual.level = network->stats.rssi; | |
198 | iwe.u.qual.noise = network->stats.noise; | |
199 | iwe.u.qual.updated = network->stats.mask & IEEE80211_STATMASK_WEMASK; | |
200 | if (!(network->stats.mask & IEEE80211_STATMASK_RSSI)) | |
201 | iwe.u.qual.updated |= IW_QUAL_LEVEL_INVALID; | |
202 | if (!(network->stats.mask & IEEE80211_STATMASK_NOISE)) | |
203 | iwe.u.qual.updated |= IW_QUAL_NOISE_INVALID; | |
204 | if (!(network->stats.mask & IEEE80211_STATMASK_SIGNAL)) | |
205 | iwe.u.qual.updated |= IW_QUAL_QUAL_INVALID; | |
206 | iwe.u.qual.updated = 7; | |
5f53d8ca | 207 | start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_QUAL_LEN); |
5f53d8ca JC |
208 | iwe.cmd = IWEVCUSTOM; |
209 | p = custom; | |
210 | ||
211 | iwe.u.data.length = p - custom; | |
212 | if (iwe.u.data.length) | |
5f53d8ca | 213 | start = iwe_stream_add_point(info, start, stop, &iwe, custom); |
5f53d8ca | 214 | |
5f53d8ca JC |
215 | memset(&iwe, 0, sizeof(iwe)); |
216 | if (network->wpa_ie_len) | |
217 | { | |
218 | char buf[MAX_WPA_IE_LEN]; | |
219 | memcpy(buf, network->wpa_ie, network->wpa_ie_len); | |
220 | iwe.cmd = IWEVGENIE; | |
221 | iwe.u.data.length = network->wpa_ie_len; | |
5f53d8ca | 222 | start = iwe_stream_add_point(info, start, stop, &iwe, buf); |
5f53d8ca JC |
223 | } |
224 | memset(&iwe, 0, sizeof(iwe)); | |
225 | if (network->rsn_ie_len) | |
226 | { | |
227 | char buf[MAX_WPA_IE_LEN]; | |
228 | memcpy(buf, network->rsn_ie, network->rsn_ie_len); | |
229 | iwe.cmd = IWEVGENIE; | |
230 | iwe.u.data.length = network->rsn_ie_len; | |
5f53d8ca | 231 | start = iwe_stream_add_point(info, start, stop, &iwe, buf); |
5f53d8ca | 232 | } |
5f53d8ca JC |
233 | |
234 | /* Add EXTRA: Age to display seconds since last beacon/probe response | |
235 | * for given network. */ | |
236 | iwe.cmd = IWEVCUSTOM; | |
237 | p = custom; | |
238 | p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), | |
239 | " Last beacon: %lums ago", (jiffies - network->last_scanned) / (HZ / 100)); | |
240 | iwe.u.data.length = p - custom; | |
241 | if (iwe.u.data.length) | |
5f53d8ca | 242 | start = iwe_stream_add_point(info, start, stop, &iwe, custom); |
5f53d8ca JC |
243 | |
244 | return start; | |
245 | } | |
246 | ||
247 | int ieee80211_wx_get_scan(struct ieee80211_device *ieee, | |
248 | struct iw_request_info *info, | |
249 | union iwreq_data *wrqu, char *extra) | |
250 | { | |
251 | struct ieee80211_network *network; | |
252 | unsigned long flags; | |
253 | ||
254 | char *ev = extra; | |
255 | // char *stop = ev + IW_SCAN_MAX_DATA; | |
256 | char *stop = ev + wrqu->data.length;//IW_SCAN_MAX_DATA; | |
257 | //char *stop = ev + IW_SCAN_MAX_DATA; | |
258 | int i = 0; | |
259 | int err = 0; | |
260 | IEEE80211_DEBUG_WX("Getting scan\n"); | |
261 | down(&ieee->wx_sem); | |
262 | spin_lock_irqsave(&ieee->lock, flags); | |
263 | ||
264 | list_for_each_entry(network, &ieee->network_list, list) { | |
265 | i++; | |
266 | if((stop-ev)<200) | |
267 | { | |
268 | err = -E2BIG; | |
269 | break; | |
270 | } | |
271 | if (ieee->scan_age == 0 || | |
272 | time_after(network->last_scanned + ieee->scan_age, jiffies)) | |
273 | ev = rtl819x_translate_scan(ieee, ev, stop, network, info); | |
274 | else | |
275 | IEEE80211_DEBUG_SCAN( | |
276 | "Not showing network '%s (" | |
277 | MAC_FMT ")' due to age (%lums).\n", | |
278 | escape_essid(network->ssid, | |
279 | network->ssid_len), | |
280 | MAC_ARG(network->bssid), | |
281 | (jiffies - network->last_scanned) / (HZ / 100)); | |
282 | } | |
283 | ||
284 | spin_unlock_irqrestore(&ieee->lock, flags); | |
285 | up(&ieee->wx_sem); | |
286 | wrqu->data.length = ev - extra; | |
287 | wrqu->data.flags = 0; | |
288 | ||
289 | IEEE80211_DEBUG_WX("exit: %d networks returned.\n", i); | |
290 | ||
291 | return err; | |
292 | } | |
293 | ||
294 | int ieee80211_wx_set_encode(struct ieee80211_device *ieee, | |
295 | struct iw_request_info *info, | |
296 | union iwreq_data *wrqu, char *keybuf) | |
297 | { | |
298 | struct iw_point *erq = &(wrqu->encoding); | |
299 | struct net_device *dev = ieee->dev; | |
300 | struct ieee80211_security sec = { | |
301 | .flags = 0 | |
302 | }; | |
303 | int i, key, key_provided, len; | |
304 | struct ieee80211_crypt_data **crypt; | |
305 | ||
306 | IEEE80211_DEBUG_WX("SET_ENCODE\n"); | |
307 | ||
308 | key = erq->flags & IW_ENCODE_INDEX; | |
309 | if (key) { | |
310 | if (key > WEP_KEYS) | |
311 | return -EINVAL; | |
312 | key--; | |
313 | key_provided = 1; | |
314 | } else { | |
315 | key_provided = 0; | |
316 | key = ieee->tx_keyidx; | |
317 | } | |
318 | ||
319 | IEEE80211_DEBUG_WX("Key: %d [%s]\n", key, key_provided ? | |
320 | "provided" : "default"); | |
321 | crypt = &ieee->crypt[key]; | |
322 | ||
323 | if (erq->flags & IW_ENCODE_DISABLED) { | |
324 | if (key_provided && *crypt) { | |
325 | IEEE80211_DEBUG_WX("Disabling encryption on key %d.\n", | |
326 | key); | |
327 | ieee80211_crypt_delayed_deinit(ieee, crypt); | |
328 | } else | |
329 | IEEE80211_DEBUG_WX("Disabling encryption.\n"); | |
330 | ||
331 | /* Check all the keys to see if any are still configured, | |
332 | * and if no key index was provided, de-init them all */ | |
333 | for (i = 0; i < WEP_KEYS; i++) { | |
334 | if (ieee->crypt[i] != NULL) { | |
335 | if (key_provided) | |
336 | break; | |
337 | ieee80211_crypt_delayed_deinit( | |
338 | ieee, &ieee->crypt[i]); | |
339 | } | |
340 | } | |
341 | ||
342 | if (i == WEP_KEYS) { | |
343 | sec.enabled = 0; | |
344 | sec.level = SEC_LEVEL_0; | |
345 | sec.flags |= SEC_ENABLED | SEC_LEVEL; | |
346 | } | |
347 | ||
348 | goto done; | |
349 | } | |
350 | ||
351 | ||
352 | ||
353 | sec.enabled = 1; | |
354 | sec.flags |= SEC_ENABLED; | |
355 | ||
356 | if (*crypt != NULL && (*crypt)->ops != NULL && | |
357 | strcmp((*crypt)->ops->name, "WEP") != 0) { | |
358 | /* changing to use WEP; deinit previously used algorithm | |
359 | * on this key */ | |
360 | ieee80211_crypt_delayed_deinit(ieee, crypt); | |
361 | } | |
362 | ||
363 | if (*crypt == NULL) { | |
364 | struct ieee80211_crypt_data *new_crypt; | |
365 | ||
366 | /* take WEP into use */ | |
367 | new_crypt = kmalloc(sizeof(struct ieee80211_crypt_data), | |
368 | GFP_KERNEL); | |
369 | if (new_crypt == NULL) | |
370 | return -ENOMEM; | |
371 | memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data)); | |
372 | new_crypt->ops = ieee80211_get_crypto_ops("WEP"); | |
373 | if (!new_crypt->ops) { | |
374 | request_module("ieee80211_crypt_wep"); | |
375 | new_crypt->ops = ieee80211_get_crypto_ops("WEP"); | |
376 | } | |
5f53d8ca | 377 | if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) |
5f53d8ca JC |
378 | new_crypt->priv = new_crypt->ops->init(key); |
379 | ||
380 | if (!new_crypt->ops || !new_crypt->priv) { | |
381 | kfree(new_crypt); | |
382 | new_crypt = NULL; | |
383 | ||
384 | printk(KERN_WARNING "%s: could not initialize WEP: " | |
385 | "load module ieee80211_crypt_wep\n", | |
386 | dev->name); | |
387 | return -EOPNOTSUPP; | |
388 | } | |
389 | *crypt = new_crypt; | |
390 | } | |
391 | ||
392 | /* If a new key was provided, set it up */ | |
393 | if (erq->length > 0) { | |
394 | len = erq->length <= 5 ? 5 : 13; | |
395 | memcpy(sec.keys[key], keybuf, erq->length); | |
396 | if (len > erq->length) | |
397 | memset(sec.keys[key] + erq->length, 0, | |
398 | len - erq->length); | |
399 | IEEE80211_DEBUG_WX("Setting key %d to '%s' (%d:%d bytes)\n", | |
400 | key, escape_essid(sec.keys[key], len), | |
401 | erq->length, len); | |
402 | sec.key_sizes[key] = len; | |
403 | (*crypt)->ops->set_key(sec.keys[key], len, NULL, | |
404 | (*crypt)->priv); | |
405 | sec.flags |= (1 << key); | |
406 | /* This ensures a key will be activated if no key is | |
407 | * explicitely set */ | |
408 | if (key == sec.active_key) | |
409 | sec.flags |= SEC_ACTIVE_KEY; | |
410 | ieee->tx_keyidx = key; | |
411 | ||
412 | } else { | |
413 | len = (*crypt)->ops->get_key(sec.keys[key], WEP_KEY_LEN, | |
414 | NULL, (*crypt)->priv); | |
415 | if (len == 0) { | |
416 | /* Set a default key of all 0 */ | |
417 | printk("Setting key %d to all zero.\n", | |
418 | key); | |
419 | ||
420 | IEEE80211_DEBUG_WX("Setting key %d to all zero.\n", | |
421 | key); | |
422 | memset(sec.keys[key], 0, 13); | |
423 | (*crypt)->ops->set_key(sec.keys[key], 13, NULL, | |
424 | (*crypt)->priv); | |
425 | sec.key_sizes[key] = 13; | |
426 | sec.flags |= (1 << key); | |
427 | } | |
428 | ||
429 | /* No key data - just set the default TX key index */ | |
430 | if (key_provided) { | |
431 | IEEE80211_DEBUG_WX( | |
432 | "Setting key %d to default Tx key.\n", key); | |
433 | ieee->tx_keyidx = key; | |
434 | sec.active_key = key; | |
435 | sec.flags |= SEC_ACTIVE_KEY; | |
436 | } | |
437 | } | |
438 | ||
439 | done: | |
440 | ieee->open_wep = !(erq->flags & IW_ENCODE_RESTRICTED); | |
441 | ieee->auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY; | |
442 | sec.auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY; | |
443 | sec.flags |= SEC_AUTH_MODE; | |
444 | IEEE80211_DEBUG_WX("Auth: %s\n", sec.auth_mode == WLAN_AUTH_OPEN ? | |
445 | "OPEN" : "SHARED KEY"); | |
446 | ||
447 | /* For now we just support WEP, so only set that security level... | |
448 | * TODO: When WPA is added this is one place that needs to change */ | |
449 | sec.flags |= SEC_LEVEL; | |
450 | sec.level = SEC_LEVEL_1; /* 40 and 104 bit WEP */ | |
451 | ||
452 | if (ieee->set_security) | |
453 | ieee->set_security(dev, &sec); | |
454 | ||
455 | /* Do not reset port if card is in Managed mode since resetting will | |
456 | * generate new IEEE 802.11 authentication which may end up in looping | |
457 | * with IEEE 802.1X. If your hardware requires a reset after WEP | |
458 | * configuration (for example... Prism2), implement the reset_port in | |
459 | * the callbacks structures used to initialize the 802.11 stack. */ | |
460 | if (ieee->reset_on_keychange && | |
461 | ieee->iw_mode != IW_MODE_INFRA && | |
462 | ieee->reset_port && ieee->reset_port(dev)) { | |
463 | printk(KERN_DEBUG "%s: reset_port failed\n", dev->name); | |
464 | return -EINVAL; | |
465 | } | |
466 | return 0; | |
467 | } | |
468 | ||
469 | int ieee80211_wx_get_encode(struct ieee80211_device *ieee, | |
470 | struct iw_request_info *info, | |
471 | union iwreq_data *wrqu, char *keybuf) | |
472 | { | |
473 | struct iw_point *erq = &(wrqu->encoding); | |
474 | int len, key; | |
475 | struct ieee80211_crypt_data *crypt; | |
476 | ||
477 | IEEE80211_DEBUG_WX("GET_ENCODE\n"); | |
478 | ||
479 | if(ieee->iw_mode == IW_MODE_MONITOR) | |
480 | return -1; | |
481 | ||
482 | key = erq->flags & IW_ENCODE_INDEX; | |
483 | if (key) { | |
484 | if (key > WEP_KEYS) | |
485 | return -EINVAL; | |
486 | key--; | |
487 | } else | |
488 | key = ieee->tx_keyidx; | |
489 | ||
490 | crypt = ieee->crypt[key]; | |
491 | erq->flags = key + 1; | |
492 | ||
493 | if (crypt == NULL || crypt->ops == NULL) { | |
494 | erq->length = 0; | |
495 | erq->flags |= IW_ENCODE_DISABLED; | |
496 | return 0; | |
497 | } | |
498 | #if 0 | |
499 | if (strcmp(crypt->ops->name, "WEP") != 0) { | |
500 | /* only WEP is supported with wireless extensions, so just | |
501 | * report that encryption is used */ | |
502 | erq->length = 0; | |
503 | erq->flags |= IW_ENCODE_ENABLED; | |
504 | return 0; | |
505 | } | |
506 | #endif | |
507 | len = crypt->ops->get_key(keybuf, SCM_KEY_LEN, NULL, crypt->priv); | |
508 | erq->length = (len >= 0 ? len : 0); | |
509 | ||
510 | erq->flags |= IW_ENCODE_ENABLED; | |
511 | ||
512 | if (ieee->open_wep) | |
513 | erq->flags |= IW_ENCODE_OPEN; | |
514 | else | |
515 | erq->flags |= IW_ENCODE_RESTRICTED; | |
516 | ||
517 | return 0; | |
518 | } | |
3bd709f2 | 519 | |
5f53d8ca JC |
520 | int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, |
521 | struct iw_request_info *info, | |
522 | union iwreq_data *wrqu, char *extra) | |
523 | { | |
524 | int ret = 0; | |
5f53d8ca JC |
525 | struct net_device *dev = ieee->dev; |
526 | struct iw_point *encoding = &wrqu->encoding; | |
527 | struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; | |
528 | int i, idx; | |
529 | int group_key = 0; | |
530 | const char *alg, *module; | |
531 | struct ieee80211_crypto_ops *ops; | |
532 | struct ieee80211_crypt_data **crypt; | |
533 | ||
534 | struct ieee80211_security sec = { | |
535 | .flags = 0, | |
536 | }; | |
537 | //printk("======>encoding flag:%x,ext flag:%x, ext alg:%d\n", encoding->flags,ext->ext_flags, ext->alg); | |
538 | idx = encoding->flags & IW_ENCODE_INDEX; | |
539 | if (idx) { | |
540 | if (idx < 1 || idx > WEP_KEYS) | |
541 | return -EINVAL; | |
542 | idx--; | |
543 | } else | |
544 | idx = ieee->tx_keyidx; | |
545 | ||
546 | if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) { | |
547 | ||
548 | crypt = &ieee->crypt[idx]; | |
549 | ||
550 | group_key = 1; | |
551 | } else { | |
552 | /* some Cisco APs use idx>0 for unicast in dynamic WEP */ | |
553 | //printk("not group key, flags:%x, ext->alg:%d\n", ext->ext_flags, ext->alg); | |
554 | if (idx != 0 && ext->alg != IW_ENCODE_ALG_WEP) | |
555 | return -EINVAL; | |
556 | if (ieee->iw_mode == IW_MODE_INFRA) | |
557 | ||
558 | crypt = &ieee->crypt[idx]; | |
559 | ||
560 | else | |
561 | return -EINVAL; | |
562 | } | |
563 | ||
564 | sec.flags |= SEC_ENABLED;// | SEC_ENCRYPT; | |
565 | if ((encoding->flags & IW_ENCODE_DISABLED) || | |
566 | ext->alg == IW_ENCODE_ALG_NONE) { | |
567 | if (*crypt) | |
568 | ieee80211_crypt_delayed_deinit(ieee, crypt); | |
569 | ||
570 | for (i = 0; i < WEP_KEYS; i++) | |
571 | ||
572 | if (ieee->crypt[i] != NULL) | |
573 | ||
574 | break; | |
575 | ||
576 | if (i == WEP_KEYS) { | |
577 | sec.enabled = 0; | |
578 | // sec.encrypt = 0; | |
579 | sec.level = SEC_LEVEL_0; | |
580 | sec.flags |= SEC_LEVEL; | |
581 | } | |
582 | //printk("disabled: flag:%x\n", encoding->flags); | |
583 | goto done; | |
584 | } | |
585 | ||
586 | sec.enabled = 1; | |
587 | // sec.encrypt = 1; | |
588 | #if 0 | |
589 | if (group_key ? !ieee->host_mc_decrypt : | |
590 | !(ieee->host_encrypt || ieee->host_decrypt || | |
591 | ieee->host_encrypt_msdu)) | |
592 | goto skip_host_crypt; | |
593 | #endif | |
594 | switch (ext->alg) { | |
595 | case IW_ENCODE_ALG_WEP: | |
596 | alg = "WEP"; | |
597 | module = "ieee80211_crypt_wep"; | |
598 | break; | |
599 | case IW_ENCODE_ALG_TKIP: | |
600 | alg = "TKIP"; | |
601 | module = "ieee80211_crypt_tkip"; | |
602 | break; | |
603 | case IW_ENCODE_ALG_CCMP: | |
604 | alg = "CCMP"; | |
605 | module = "ieee80211_crypt_ccmp"; | |
606 | break; | |
607 | default: | |
608 | IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", | |
609 | dev->name, ext->alg); | |
610 | ret = -EINVAL; | |
611 | goto done; | |
612 | } | |
613 | printk("alg name:%s\n",alg); | |
614 | ||
615 | ops = ieee80211_get_crypto_ops(alg); | |
616 | if (ops == NULL) { | |
36dbd401 | 617 | request_module("%s", module); |
5f53d8ca JC |
618 | ops = ieee80211_get_crypto_ops(alg); |
619 | } | |
620 | if (ops == NULL) { | |
621 | IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", | |
622 | dev->name, ext->alg); | |
623 | printk("========>unknown crypto alg %d\n", ext->alg); | |
624 | ret = -EINVAL; | |
625 | goto done; | |
626 | } | |
627 | ||
628 | if (*crypt == NULL || (*crypt)->ops != ops) { | |
629 | struct ieee80211_crypt_data *new_crypt; | |
630 | ||
631 | ieee80211_crypt_delayed_deinit(ieee, crypt); | |
632 | ||
5f53d8ca | 633 | new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL); |
5f53d8ca JC |
634 | if (new_crypt == NULL) { |
635 | ret = -ENOMEM; | |
636 | goto done; | |
637 | } | |
638 | new_crypt->ops = ops; | |
639 | if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) | |
640 | new_crypt->priv = new_crypt->ops->init(idx); | |
641 | if (new_crypt->priv == NULL) { | |
642 | kfree(new_crypt); | |
643 | ret = -EINVAL; | |
644 | goto done; | |
645 | } | |
646 | *crypt = new_crypt; | |
647 | ||
648 | } | |
649 | ||
650 | if (ext->key_len > 0 && (*crypt)->ops->set_key && | |
651 | (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq, | |
652 | (*crypt)->priv) < 0) { | |
653 | IEEE80211_DEBUG_WX("%s: key setting failed\n", dev->name); | |
654 | printk("key setting failed\n"); | |
655 | ret = -EINVAL; | |
656 | goto done; | |
657 | } | |
658 | #if 1 | |
659 | //skip_host_crypt: | |
660 | //printk("skip_host_crypt:ext_flags:%x\n", ext->ext_flags); | |
661 | if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) { | |
662 | ieee->tx_keyidx = idx; | |
663 | sec.active_key = idx; | |
664 | sec.flags |= SEC_ACTIVE_KEY; | |
665 | } | |
666 | ||
667 | if (ext->alg != IW_ENCODE_ALG_NONE) { | |
668 | //memcpy(sec.keys[idx], ext->key, ext->key_len); | |
669 | sec.key_sizes[idx] = ext->key_len; | |
670 | sec.flags |= (1 << idx); | |
671 | if (ext->alg == IW_ENCODE_ALG_WEP) { | |
672 | // sec.encode_alg[idx] = SEC_ALG_WEP; | |
673 | sec.flags |= SEC_LEVEL; | |
674 | sec.level = SEC_LEVEL_1; | |
675 | } else if (ext->alg == IW_ENCODE_ALG_TKIP) { | |
676 | // sec.encode_alg[idx] = SEC_ALG_TKIP; | |
677 | sec.flags |= SEC_LEVEL; | |
678 | sec.level = SEC_LEVEL_2; | |
679 | } else if (ext->alg == IW_ENCODE_ALG_CCMP) { | |
680 | // sec.encode_alg[idx] = SEC_ALG_CCMP; | |
681 | sec.flags |= SEC_LEVEL; | |
682 | sec.level = SEC_LEVEL_3; | |
683 | } | |
684 | /* Don't set sec level for group keys. */ | |
685 | if (group_key) | |
686 | sec.flags &= ~SEC_LEVEL; | |
687 | } | |
688 | #endif | |
689 | done: | |
690 | if (ieee->set_security) | |
691 | ieee->set_security(ieee->dev, &sec); | |
692 | ||
693 | if (ieee->reset_on_keychange && | |
694 | ieee->iw_mode != IW_MODE_INFRA && | |
695 | ieee->reset_port && ieee->reset_port(dev)) { | |
696 | IEEE80211_DEBUG_WX("%s: reset_port failed\n", dev->name); | |
697 | return -EINVAL; | |
698 | } | |
1ec9e48d | 699 | |
5f53d8ca JC |
700 | return ret; |
701 | } | |
702 | ||
703 | int ieee80211_wx_get_encode_ext(struct ieee80211_device *ieee, | |
704 | struct iw_request_info *info, | |
705 | union iwreq_data *wrqu, char *extra) | |
706 | { | |
707 | struct iw_point *encoding = &wrqu->encoding; | |
708 | struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; | |
709 | struct ieee80211_crypt_data *crypt; | |
710 | int idx, max_key_len; | |
711 | ||
712 | max_key_len = encoding->length - sizeof(*ext); | |
713 | if (max_key_len < 0) | |
714 | return -EINVAL; | |
715 | ||
716 | idx = encoding->flags & IW_ENCODE_INDEX; | |
717 | if (idx) { | |
718 | if (idx < 1 || idx > WEP_KEYS) | |
719 | return -EINVAL; | |
720 | idx--; | |
721 | } else | |
722 | idx = ieee->tx_keyidx; | |
723 | ||
38526988 | 724 | if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) && |
5f53d8ca JC |
725 | ext->alg != IW_ENCODE_ALG_WEP) |
726 | if (idx != 0 || ieee->iw_mode != IW_MODE_INFRA) | |
727 | return -EINVAL; | |
728 | ||
729 | crypt = ieee->crypt[idx]; | |
730 | encoding->flags = idx + 1; | |
731 | memset(ext, 0, sizeof(*ext)); | |
732 | ||
733 | if (crypt == NULL || crypt->ops == NULL ) { | |
734 | ext->alg = IW_ENCODE_ALG_NONE; | |
735 | ext->key_len = 0; | |
736 | encoding->flags |= IW_ENCODE_DISABLED; | |
737 | } else { | |
738 | if (strcmp(crypt->ops->name, "WEP") == 0 ) | |
739 | ext->alg = IW_ENCODE_ALG_WEP; | |
740 | else if (strcmp(crypt->ops->name, "TKIP")) | |
741 | ext->alg = IW_ENCODE_ALG_TKIP; | |
742 | else if (strcmp(crypt->ops->name, "CCMP")) | |
743 | ext->alg = IW_ENCODE_ALG_CCMP; | |
744 | else | |
745 | return -EINVAL; | |
746 | ext->key_len = crypt->ops->get_key(ext->key, SCM_KEY_LEN, NULL, crypt->priv); | |
747 | encoding->flags |= IW_ENCODE_ENABLED; | |
748 | if (ext->key_len && | |
749 | (ext->alg == IW_ENCODE_ALG_TKIP || | |
750 | ext->alg == IW_ENCODE_ALG_CCMP)) | |
751 | ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID; | |
752 | ||
753 | } | |
754 | ||
755 | return 0; | |
756 | } | |
757 | ||
758 | int ieee80211_wx_set_mlme(struct ieee80211_device *ieee, | |
759 | struct iw_request_info *info, | |
760 | union iwreq_data *wrqu, char *extra) | |
761 | { | |
5f53d8ca | 762 | struct iw_mlme *mlme = (struct iw_mlme *) extra; |
1ec9e48d | 763 | |
5f53d8ca JC |
764 | switch (mlme->cmd) { |
765 | case IW_MLME_DEAUTH: | |
766 | case IW_MLME_DISASSOC: | |
767 | ieee80211_disassociate(ieee); | |
768 | break; | |
769 | default: | |
770 | return -EOPNOTSUPP; | |
771 | } | |
1ec9e48d | 772 | |
5f53d8ca JC |
773 | return 0; |
774 | } | |
775 | ||
776 | int ieee80211_wx_set_auth(struct ieee80211_device *ieee, | |
777 | struct iw_request_info *info, | |
778 | struct iw_param *data, char *extra) | |
779 | { | |
5f53d8ca JC |
780 | switch (data->flags & IW_AUTH_INDEX) { |
781 | case IW_AUTH_WPA_VERSION: | |
782 | /*need to support wpa2 here*/ | |
783 | //printk("wpa version:%x\n", data->value); | |
784 | break; | |
785 | case IW_AUTH_CIPHER_PAIRWISE: | |
786 | case IW_AUTH_CIPHER_GROUP: | |
787 | case IW_AUTH_KEY_MGMT: | |
788 | /* | |
789 | * * Host AP driver does not use these parameters and allows | |
790 | * * wpa_supplicant to control them internally. | |
791 | * */ | |
792 | break; | |
793 | case IW_AUTH_TKIP_COUNTERMEASURES: | |
794 | ieee->tkip_countermeasures = data->value; | |
795 | break; | |
796 | case IW_AUTH_DROP_UNENCRYPTED: | |
797 | ieee->drop_unencrypted = data->value; | |
798 | break; | |
799 | ||
800 | case IW_AUTH_80211_AUTH_ALG: | |
801 | //printk("======>%s():data->value is %d\n",__FUNCTION__,data->value); | |
802 | // ieee->open_wep = (data->value&IW_AUTH_ALG_OPEN_SYSTEM)?1:0; | |
803 | if(data->value & IW_AUTH_ALG_SHARED_KEY){ | |
804 | ieee->open_wep = 0; | |
805 | ieee->auth_mode = 1; | |
806 | } | |
807 | else if(data->value & IW_AUTH_ALG_OPEN_SYSTEM){ | |
808 | ieee->open_wep = 1; | |
809 | ieee->auth_mode = 0; | |
810 | } | |
811 | else if(data->value & IW_AUTH_ALG_LEAP){ | |
812 | ieee->open_wep = 1; | |
813 | ieee->auth_mode = 2; | |
814 | //printk("hahahaa:LEAP\n"); | |
815 | } | |
816 | else | |
817 | return -EINVAL; | |
818 | //printk("open_wep:%d\n", ieee->open_wep); | |
819 | break; | |
820 | ||
821 | #if 1 | |
822 | case IW_AUTH_WPA_ENABLED: | |
823 | ieee->wpa_enabled = (data->value)?1:0; | |
824 | //printk("enalbe wpa:%d\n", ieee->wpa_enabled); | |
825 | break; | |
826 | ||
827 | #endif | |
828 | case IW_AUTH_RX_UNENCRYPTED_EAPOL: | |
829 | ieee->ieee802_1x = data->value; | |
830 | break; | |
831 | case IW_AUTH_PRIVACY_INVOKED: | |
832 | ieee->privacy_invoked = data->value; | |
833 | break; | |
834 | default: | |
835 | return -EOPNOTSUPP; | |
836 | } | |
1ec9e48d | 837 | |
5f53d8ca JC |
838 | return 0; |
839 | } | |
3bd709f2 | 840 | |
5f53d8ca JC |
841 | #if 1 |
842 | int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len) | |
843 | { | |
5f53d8ca JC |
844 | #if 0 |
845 | printk("====>%s()\n", __FUNCTION__); | |
846 | { | |
847 | int i; | |
848 | for (i=0; i<len; i++) | |
849 | printk("%2x ", ie[i]&0xff); | |
850 | printk("\n"); | |
851 | } | |
852 | #endif | |
853 | u8 *buf; | |
854 | ||
855 | if (len>MAX_WPA_IE_LEN || (len && ie == NULL)) | |
856 | { | |
857 | // printk("return error out, len:%d\n", len); | |
858 | return -EINVAL; | |
859 | } | |
860 | ||
861 | ||
862 | if (len) | |
863 | { | |
864 | if (len != ie[1]+2) | |
865 | { | |
866 | printk("len:%d, ie:%d\n", len, ie[1]); | |
867 | return -EINVAL; | |
868 | } | |
869 | buf = kmalloc(len, GFP_KERNEL); | |
870 | if (buf == NULL) | |
871 | return -ENOMEM; | |
872 | memcpy(buf, ie, len); | |
873 | kfree(ieee->wpa_ie); | |
874 | ieee->wpa_ie = buf; | |
875 | ieee->wpa_ie_len = len; | |
876 | } | |
877 | else{ | |
878 | if (ieee->wpa_ie) | |
879 | kfree(ieee->wpa_ie); | |
880 | ieee->wpa_ie = NULL; | |
881 | ieee->wpa_ie_len = 0; | |
882 | } | |
1ec9e48d | 883 | |
5f53d8ca JC |
884 | return 0; |
885 | ||
886 | } | |
887 | #endif | |
888 | ||
5f53d8ca | 889 | EXPORT_SYMBOL(ieee80211_wx_set_gen_ie); |
5f53d8ca JC |
890 | EXPORT_SYMBOL(ieee80211_wx_set_mlme); |
891 | EXPORT_SYMBOL(ieee80211_wx_set_auth); | |
892 | EXPORT_SYMBOL(ieee80211_wx_set_encode_ext); | |
893 | EXPORT_SYMBOL(ieee80211_wx_get_encode_ext); | |
5f53d8ca JC |
894 | EXPORT_SYMBOL(ieee80211_wx_get_scan); |
895 | EXPORT_SYMBOL(ieee80211_wx_set_encode); | |
896 | EXPORT_SYMBOL(ieee80211_wx_get_encode); |