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8fc8598e 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> | |
8fc8598e | 33 | #include <linux/kmod.h> |
5a0e3ad6 | 34 | #include <linux/slab.h> |
8fc8598e JC |
35 | #include <linux/module.h> |
36 | ||
37 | #include "ieee80211.h" | |
8fc8598e JC |
38 | struct modes_unit { |
39 | char *mode_string; | |
40 | int mode_size; | |
41 | }; | |
42 | struct modes_unit ieee80211_modes[] = { | |
43 | {"a",1}, | |
44 | {"b",1}, | |
45 | {"g",1}, | |
46 | {"?",1}, | |
47 | {"N-24G",5}, | |
48 | {"N-5G",4}, | |
49 | }; | |
50 | ||
8fc8598e | 51 | #define iwe_stream_add_event_rsl iwe_stream_add_event |
8fc8598e JC |
52 | |
53 | #define MAX_CUSTOM_LEN 64 | |
54 | static inline char *rtl819x_translate_scan(struct ieee80211_device *ieee, | |
e406322b | 55 | char *start, char *stop, |
8fc8598e | 56 | struct ieee80211_network *network, |
e406322b | 57 | struct iw_request_info *info) |
8fc8598e JC |
58 | { |
59 | char custom[MAX_CUSTOM_LEN]; | |
60 | char proto_name[IFNAMSIZ]; | |
61 | char *pname = proto_name; | |
62 | char *p; | |
63 | struct iw_event iwe; | |
64 | int i, j; | |
65 | u16 max_rate, rate; | |
66 | static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; | |
67 | ||
68 | /* First entry *MUST* be the AP MAC address */ | |
69 | iwe.cmd = SIOCGIWAP; | |
70 | iwe.u.ap_addr.sa_family = ARPHRD_ETHER; | |
71 | memcpy(iwe.u.ap_addr.sa_data, network->bssid, ETH_ALEN); | |
8fc8598e | 72 | start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_ADDR_LEN); |
8fc8598e JC |
73 | /* Remaining entries will be displayed in the order we provide them */ |
74 | ||
75 | /* Add the ESSID */ | |
76 | iwe.cmd = SIOCGIWESSID; | |
77 | iwe.u.data.flags = 1; | |
78 | // if (network->flags & NETWORK_EMPTY_ESSID) { | |
79 | if (network->ssid_len == 0) { | |
80 | iwe.u.data.length = sizeof("<hidden>"); | |
e406322b | 81 | start = iwe_stream_add_point(info, start, stop, &iwe, "<hidden>"); |
e406322b | 82 | } else { |
8fc8598e | 83 | iwe.u.data.length = min(network->ssid_len, (u8)32); |
e406322b | 84 | start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid); |
e406322b | 85 | } |
8fc8598e JC |
86 | /* Add the protocol name */ |
87 | iwe.cmd = SIOCGIWNAME; | |
88 | for(i=0; i<(sizeof(ieee80211_modes)/sizeof(ieee80211_modes[0])); i++) { | |
89 | if(network->mode&(1<<i)) { | |
90 | sprintf(pname,ieee80211_modes[i].mode_string,ieee80211_modes[i].mode_size); | |
91 | pname +=ieee80211_modes[i].mode_size; | |
92 | } | |
93 | } | |
94 | *pname = '\0'; | |
95 | snprintf(iwe.u.name, IFNAMSIZ, "IEEE802.11%s", proto_name); | |
e406322b | 96 | start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_CHAR_LEN); |
e406322b MCC |
97 | /* Add mode */ |
98 | iwe.cmd = SIOCGIWMODE; | |
99 | if (network->capability & | |
8fc8598e JC |
100 | (WLAN_CAPABILITY_BSS | WLAN_CAPABILITY_IBSS)) { |
101 | if (network->capability & WLAN_CAPABILITY_BSS) | |
102 | iwe.u.mode = IW_MODE_MASTER; | |
103 | else | |
104 | iwe.u.mode = IW_MODE_ADHOC; | |
e406322b | 105 | start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_UINT_LEN); |
e406322b | 106 | } |
8fc8598e | 107 | |
e406322b | 108 | /* Add frequency/channel */ |
8fc8598e JC |
109 | iwe.cmd = SIOCGIWFREQ; |
110 | /* iwe.u.freq.m = ieee80211_frequency(network->channel, network->mode); | |
111 | iwe.u.freq.e = 3; */ | |
112 | iwe.u.freq.m = network->channel; | |
113 | iwe.u.freq.e = 0; | |
114 | iwe.u.freq.i = 0; | |
e406322b | 115 | start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_FREQ_LEN); |
8fc8598e JC |
116 | /* Add encryption capability */ |
117 | iwe.cmd = SIOCGIWENCODE; | |
118 | if (network->capability & WLAN_CAPABILITY_PRIVACY) | |
119 | iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; | |
120 | else | |
121 | iwe.u.data.flags = IW_ENCODE_DISABLED; | |
122 | iwe.u.data.length = 0; | |
e406322b | 123 | start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid); |
8fc8598e JC |
124 | /* Add basic and extended rates */ |
125 | max_rate = 0; | |
126 | p = custom; | |
127 | p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), " Rates (Mb/s): "); | |
128 | for (i = 0, j = 0; i < network->rates_len; ) { | |
129 | if (j < network->rates_ex_len && | |
130 | ((network->rates_ex[j] & 0x7F) < | |
131 | (network->rates[i] & 0x7F))) | |
132 | rate = network->rates_ex[j++] & 0x7F; | |
133 | else | |
134 | rate = network->rates[i++] & 0x7F; | |
135 | if (rate > max_rate) | |
136 | max_rate = rate; | |
137 | p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), | |
138 | "%d%s ", rate >> 1, (rate & 1) ? ".5" : ""); | |
139 | } | |
140 | for (; j < network->rates_ex_len; j++) { | |
141 | rate = network->rates_ex[j] & 0x7F; | |
142 | p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), | |
143 | "%d%s ", rate >> 1, (rate & 1) ? ".5" : ""); | |
144 | if (rate > max_rate) | |
145 | max_rate = rate; | |
146 | } | |
147 | ||
148 | if (network->mode >= IEEE_N_24G)//add N rate here; | |
149 | { | |
150 | PHT_CAPABILITY_ELE ht_cap = NULL; | |
151 | bool is40M = false, isShortGI = false; | |
152 | u8 max_mcs = 0; | |
153 | if (!memcmp(network->bssht.bdHTCapBuf, EWC11NHTCap, 4)) | |
154 | ht_cap = (PHT_CAPABILITY_ELE)&network->bssht.bdHTCapBuf[4]; | |
155 | else | |
156 | ht_cap = (PHT_CAPABILITY_ELE)&network->bssht.bdHTCapBuf[0]; | |
157 | is40M = (ht_cap->ChlWidth)?1:0; | |
158 | isShortGI = (ht_cap->ChlWidth)? | |
159 | ((ht_cap->ShortGI40Mhz)?1:0): | |
160 | ((ht_cap->ShortGI20Mhz)?1:0); | |
161 | ||
162 | max_mcs = HTGetHighestMCSRate(ieee, ht_cap->MCS, MCS_FILTER_ALL); | |
163 | rate = MCS_DATA_RATE[is40M][isShortGI][max_mcs&0x7f]; | |
164 | if (rate > max_rate) | |
165 | max_rate = rate; | |
166 | } | |
8fc8598e JC |
167 | iwe.cmd = SIOCGIWRATE; |
168 | iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0; | |
169 | iwe.u.bitrate.value = max_rate * 500000; | |
e406322b | 170 | start = iwe_stream_add_event_rsl(info, start, stop, &iwe, |
8fc8598e | 171 | IW_EV_PARAM_LEN); |
8fc8598e JC |
172 | iwe.cmd = IWEVCUSTOM; |
173 | iwe.u.data.length = p - custom; | |
174 | if (iwe.u.data.length) | |
e406322b | 175 | start = iwe_stream_add_point(info, start, stop, &iwe, custom); |
8fc8598e JC |
176 | /* Add quality statistics */ |
177 | /* TODO: Fix these values... */ | |
178 | iwe.cmd = IWEVQUAL; | |
179 | iwe.u.qual.qual = network->stats.signal; | |
180 | iwe.u.qual.level = network->stats.rssi; | |
181 | iwe.u.qual.noise = network->stats.noise; | |
182 | iwe.u.qual.updated = network->stats.mask & IEEE80211_STATMASK_WEMASK; | |
183 | if (!(network->stats.mask & IEEE80211_STATMASK_RSSI)) | |
184 | iwe.u.qual.updated |= IW_QUAL_LEVEL_INVALID; | |
185 | if (!(network->stats.mask & IEEE80211_STATMASK_NOISE)) | |
186 | iwe.u.qual.updated |= IW_QUAL_NOISE_INVALID; | |
187 | if (!(network->stats.mask & IEEE80211_STATMASK_SIGNAL)) | |
188 | iwe.u.qual.updated |= IW_QUAL_QUAL_INVALID; | |
189 | iwe.u.qual.updated = 7; | |
e406322b | 190 | start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_QUAL_LEN); |
8fc8598e JC |
191 | iwe.cmd = IWEVCUSTOM; |
192 | p = custom; | |
193 | ||
194 | iwe.u.data.length = p - custom; | |
195 | if (iwe.u.data.length) | |
e406322b | 196 | start = iwe_stream_add_point(info, start, stop, &iwe, custom); |
8fc8598e JC |
197 | #if (WIRELESS_EXT < 18) |
198 | if (ieee->wpa_enabled && network->wpa_ie_len){ | |
199 | char buf[MAX_WPA_IE_LEN * 2 + 30]; | |
200 | // printk("WPA IE\n"); | |
201 | u8 *p = buf; | |
202 | p += sprintf(p, "wpa_ie="); | |
203 | for (i = 0; i < network->wpa_ie_len; i++) { | |
204 | p += sprintf(p, "%02x", network->wpa_ie[i]); | |
205 | } | |
206 | ||
207 | memset(&iwe, 0, sizeof(iwe)); | |
208 | iwe.cmd = IWEVCUSTOM; | |
209 | iwe.u.data.length = strlen(buf); | |
e406322b | 210 | start = iwe_stream_add_point(info, start, stop, &iwe, buf); |
e406322b | 211 | } |
8fc8598e JC |
212 | |
213 | if (ieee->wpa_enabled && network->rsn_ie_len){ | |
214 | char buf[MAX_WPA_IE_LEN * 2 + 30]; | |
215 | ||
216 | u8 *p = buf; | |
217 | p += sprintf(p, "rsn_ie="); | |
218 | for (i = 0; i < network->rsn_ie_len; i++) { | |
219 | p += sprintf(p, "%02x", network->rsn_ie[i]); | |
220 | } | |
221 | ||
222 | memset(&iwe, 0, sizeof(iwe)); | |
223 | iwe.cmd = IWEVCUSTOM; | |
224 | iwe.u.data.length = strlen(buf); | |
e406322b | 225 | start = iwe_stream_add_point(info, start, stop, &iwe, buf); |
e406322b | 226 | } |
8fc8598e JC |
227 | #else |
228 | memset(&iwe, 0, sizeof(iwe)); | |
229 | if (network->wpa_ie_len) | |
230 | { | |
231 | char buf[MAX_WPA_IE_LEN]; | |
232 | memcpy(buf, network->wpa_ie, network->wpa_ie_len); | |
233 | iwe.cmd = IWEVGENIE; | |
234 | iwe.u.data.length = network->wpa_ie_len; | |
e406322b | 235 | start = iwe_stream_add_point(info, start, stop, &iwe, buf); |
e406322b | 236 | } |
8fc8598e JC |
237 | memset(&iwe, 0, sizeof(iwe)); |
238 | if (network->rsn_ie_len) | |
239 | { | |
240 | char buf[MAX_WPA_IE_LEN]; | |
241 | memcpy(buf, network->rsn_ie, network->rsn_ie_len); | |
242 | iwe.cmd = IWEVGENIE; | |
243 | iwe.u.data.length = network->rsn_ie_len; | |
e406322b | 244 | start = iwe_stream_add_point(info, start, stop, &iwe, buf); |
e406322b | 245 | } |
8fc8598e JC |
246 | #endif |
247 | ||
248 | ||
249 | /* Add EXTRA: Age to display seconds since last beacon/probe response | |
250 | * for given network. */ | |
251 | iwe.cmd = IWEVCUSTOM; | |
252 | p = custom; | |
253 | p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), | |
254 | " Last beacon: %lums ago", (jiffies - network->last_scanned) / (HZ / 100)); | |
255 | iwe.u.data.length = p - custom; | |
256 | if (iwe.u.data.length) | |
e406322b | 257 | start = iwe_stream_add_point(info, start, stop, &iwe, custom); |
8fc8598e JC |
258 | |
259 | return start; | |
260 | } | |
261 | ||
262 | int ieee80211_wx_get_scan(struct ieee80211_device *ieee, | |
263 | struct iw_request_info *info, | |
264 | union iwreq_data *wrqu, char *extra) | |
265 | { | |
266 | struct ieee80211_network *network; | |
267 | unsigned long flags; | |
268 | ||
269 | char *ev = extra; | |
270 | // char *stop = ev + IW_SCAN_MAX_DATA; | |
271 | char *stop = ev + wrqu->data.length;//IW_SCAN_MAX_DATA; | |
272 | //char *stop = ev + IW_SCAN_MAX_DATA; | |
273 | int i = 0; | |
274 | int err = 0; | |
275 | IEEE80211_DEBUG_WX("Getting scan\n"); | |
276 | down(&ieee->wx_sem); | |
277 | spin_lock_irqsave(&ieee->lock, flags); | |
278 | ||
279 | list_for_each_entry(network, &ieee->network_list, list) { | |
280 | i++; | |
281 | if((stop-ev)<200) | |
282 | { | |
283 | err = -E2BIG; | |
284 | break; | |
285 | } | |
286 | if (ieee->scan_age == 0 || | |
287 | time_after(network->last_scanned + ieee->scan_age, jiffies)) | |
288 | ev = rtl819x_translate_scan(ieee, ev, stop, network, info); | |
289 | else | |
290 | IEEE80211_DEBUG_SCAN( | |
291 | "Not showing network '%s (" | |
0ee9f67c | 292 | "%pM)' due to age (%lums).\n", |
8fc8598e JC |
293 | escape_essid(network->ssid, |
294 | network->ssid_len), | |
0ee9f67c | 295 | network->bssid, |
8fc8598e JC |
296 | (jiffies - network->last_scanned) / (HZ / 100)); |
297 | } | |
298 | ||
299 | spin_unlock_irqrestore(&ieee->lock, flags); | |
300 | up(&ieee->wx_sem); | |
301 | wrqu->data.length = ev - extra; | |
302 | wrqu->data.flags = 0; | |
303 | ||
304 | IEEE80211_DEBUG_WX("exit: %d networks returned.\n", i); | |
305 | ||
306 | return err; | |
307 | } | |
308 | ||
309 | int ieee80211_wx_set_encode(struct ieee80211_device *ieee, | |
310 | struct iw_request_info *info, | |
311 | union iwreq_data *wrqu, char *keybuf) | |
312 | { | |
313 | struct iw_point *erq = &(wrqu->encoding); | |
314 | struct net_device *dev = ieee->dev; | |
315 | struct ieee80211_security sec = { | |
316 | .flags = 0 | |
317 | }; | |
318 | int i, key, key_provided, len; | |
319 | struct ieee80211_crypt_data **crypt; | |
320 | ||
321 | IEEE80211_DEBUG_WX("SET_ENCODE\n"); | |
322 | ||
323 | key = erq->flags & IW_ENCODE_INDEX; | |
324 | if (key) { | |
325 | if (key > WEP_KEYS) | |
326 | return -EINVAL; | |
327 | key--; | |
328 | key_provided = 1; | |
329 | } else { | |
330 | key_provided = 0; | |
331 | key = ieee->tx_keyidx; | |
332 | } | |
333 | ||
334 | IEEE80211_DEBUG_WX("Key: %d [%s]\n", key, key_provided ? | |
335 | "provided" : "default"); | |
336 | crypt = &ieee->crypt[key]; | |
337 | ||
338 | if (erq->flags & IW_ENCODE_DISABLED) { | |
339 | if (key_provided && *crypt) { | |
340 | IEEE80211_DEBUG_WX("Disabling encryption on key %d.\n", | |
341 | key); | |
342 | ieee80211_crypt_delayed_deinit(ieee, crypt); | |
343 | } else | |
344 | IEEE80211_DEBUG_WX("Disabling encryption.\n"); | |
345 | ||
346 | /* Check all the keys to see if any are still configured, | |
347 | * and if no key index was provided, de-init them all */ | |
348 | for (i = 0; i < WEP_KEYS; i++) { | |
349 | if (ieee->crypt[i] != NULL) { | |
350 | if (key_provided) | |
351 | break; | |
352 | ieee80211_crypt_delayed_deinit( | |
353 | ieee, &ieee->crypt[i]); | |
354 | } | |
355 | } | |
356 | ||
357 | if (i == WEP_KEYS) { | |
358 | sec.enabled = 0; | |
359 | sec.level = SEC_LEVEL_0; | |
360 | sec.flags |= SEC_ENABLED | SEC_LEVEL; | |
361 | } | |
362 | ||
363 | goto done; | |
364 | } | |
365 | ||
366 | ||
367 | ||
368 | sec.enabled = 1; | |
369 | sec.flags |= SEC_ENABLED; | |
370 | ||
371 | if (*crypt != NULL && (*crypt)->ops != NULL && | |
372 | strcmp((*crypt)->ops->name, "WEP") != 0) { | |
373 | /* changing to use WEP; deinit previously used algorithm | |
374 | * on this key */ | |
375 | ieee80211_crypt_delayed_deinit(ieee, crypt); | |
376 | } | |
377 | ||
378 | if (*crypt == NULL) { | |
379 | struct ieee80211_crypt_data *new_crypt; | |
380 | ||
381 | /* take WEP into use */ | |
7a6cb0d5 | 382 | new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data), |
8fc8598e JC |
383 | GFP_KERNEL); |
384 | if (new_crypt == NULL) | |
385 | return -ENOMEM; | |
8fc8598e JC |
386 | new_crypt->ops = ieee80211_get_crypto_ops("WEP"); |
387 | if (!new_crypt->ops) { | |
388 | request_module("ieee80211_crypt_wep"); | |
389 | new_crypt->ops = ieee80211_get_crypto_ops("WEP"); | |
390 | } | |
8fc8598e | 391 | if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) |
8fc8598e JC |
392 | new_crypt->priv = new_crypt->ops->init(key); |
393 | ||
394 | if (!new_crypt->ops || !new_crypt->priv) { | |
395 | kfree(new_crypt); | |
396 | new_crypt = NULL; | |
397 | ||
398 | printk(KERN_WARNING "%s: could not initialize WEP: " | |
399 | "load module ieee80211_crypt_wep\n", | |
400 | dev->name); | |
401 | return -EOPNOTSUPP; | |
402 | } | |
403 | *crypt = new_crypt; | |
404 | } | |
405 | ||
406 | /* If a new key was provided, set it up */ | |
407 | if (erq->length > 0) { | |
408 | len = erq->length <= 5 ? 5 : 13; | |
409 | memcpy(sec.keys[key], keybuf, erq->length); | |
410 | if (len > erq->length) | |
411 | memset(sec.keys[key] + erq->length, 0, | |
412 | len - erq->length); | |
413 | IEEE80211_DEBUG_WX("Setting key %d to '%s' (%d:%d bytes)\n", | |
414 | key, escape_essid(sec.keys[key], len), | |
415 | erq->length, len); | |
416 | sec.key_sizes[key] = len; | |
e406322b | 417 | (*crypt)->ops->set_key(sec.keys[key], len, NULL, |
8fc8598e JC |
418 | (*crypt)->priv); |
419 | sec.flags |= (1 << key); | |
420 | /* This ensures a key will be activated if no key is | |
421 | * explicitely set */ | |
422 | if (key == sec.active_key) | |
423 | sec.flags |= SEC_ACTIVE_KEY; | |
424 | ieee->tx_keyidx = key; | |
425 | ||
426 | } else { | |
427 | len = (*crypt)->ops->get_key(sec.keys[key], WEP_KEY_LEN, | |
428 | NULL, (*crypt)->priv); | |
429 | if (len == 0) { | |
430 | /* Set a default key of all 0 */ | |
431 | printk("Setting key %d to all zero.\n", | |
432 | key); | |
433 | ||
434 | IEEE80211_DEBUG_WX("Setting key %d to all zero.\n", | |
435 | key); | |
436 | memset(sec.keys[key], 0, 13); | |
437 | (*crypt)->ops->set_key(sec.keys[key], 13, NULL, | |
438 | (*crypt)->priv); | |
439 | sec.key_sizes[key] = 13; | |
440 | sec.flags |= (1 << key); | |
441 | } | |
442 | ||
443 | /* No key data - just set the default TX key index */ | |
444 | if (key_provided) { | |
445 | IEEE80211_DEBUG_WX( | |
446 | "Setting key %d to default Tx key.\n", key); | |
447 | ieee->tx_keyidx = key; | |
448 | sec.active_key = key; | |
449 | sec.flags |= SEC_ACTIVE_KEY; | |
450 | } | |
451 | } | |
452 | ||
453 | done: | |
454 | ieee->open_wep = !(erq->flags & IW_ENCODE_RESTRICTED); | |
455 | ieee->auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY; | |
456 | sec.auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY; | |
457 | sec.flags |= SEC_AUTH_MODE; | |
458 | IEEE80211_DEBUG_WX("Auth: %s\n", sec.auth_mode == WLAN_AUTH_OPEN ? | |
459 | "OPEN" : "SHARED KEY"); | |
460 | ||
461 | /* For now we just support WEP, so only set that security level... | |
462 | * TODO: When WPA is added this is one place that needs to change */ | |
463 | sec.flags |= SEC_LEVEL; | |
464 | sec.level = SEC_LEVEL_1; /* 40 and 104 bit WEP */ | |
465 | ||
466 | if (ieee->set_security) | |
467 | ieee->set_security(dev, &sec); | |
468 | ||
469 | /* Do not reset port if card is in Managed mode since resetting will | |
470 | * generate new IEEE 802.11 authentication which may end up in looping | |
471 | * with IEEE 802.1X. If your hardware requires a reset after WEP | |
472 | * configuration (for example... Prism2), implement the reset_port in | |
473 | * the callbacks structures used to initialize the 802.11 stack. */ | |
474 | if (ieee->reset_on_keychange && | |
475 | ieee->iw_mode != IW_MODE_INFRA && | |
476 | ieee->reset_port && ieee->reset_port(dev)) { | |
477 | printk(KERN_DEBUG "%s: reset_port failed\n", dev->name); | |
478 | return -EINVAL; | |
479 | } | |
480 | return 0; | |
481 | } | |
482 | ||
483 | int ieee80211_wx_get_encode(struct ieee80211_device *ieee, | |
484 | struct iw_request_info *info, | |
485 | union iwreq_data *wrqu, char *keybuf) | |
486 | { | |
487 | struct iw_point *erq = &(wrqu->encoding); | |
488 | int len, key; | |
489 | struct ieee80211_crypt_data *crypt; | |
490 | ||
491 | IEEE80211_DEBUG_WX("GET_ENCODE\n"); | |
492 | ||
493 | if(ieee->iw_mode == IW_MODE_MONITOR) | |
494 | return -1; | |
495 | ||
496 | key = erq->flags & IW_ENCODE_INDEX; | |
497 | if (key) { | |
498 | if (key > WEP_KEYS) | |
499 | return -EINVAL; | |
500 | key--; | |
501 | } else | |
502 | key = ieee->tx_keyidx; | |
503 | ||
504 | crypt = ieee->crypt[key]; | |
505 | erq->flags = key + 1; | |
506 | ||
507 | if (crypt == NULL || crypt->ops == NULL) { | |
508 | erq->length = 0; | |
509 | erq->flags |= IW_ENCODE_DISABLED; | |
510 | return 0; | |
511 | } | |
8fc8598e JC |
512 | len = crypt->ops->get_key(keybuf, SCM_KEY_LEN, NULL, crypt->priv); |
513 | erq->length = (len >= 0 ? len : 0); | |
514 | ||
515 | erq->flags |= IW_ENCODE_ENABLED; | |
516 | ||
517 | if (ieee->open_wep) | |
518 | erq->flags |= IW_ENCODE_OPEN; | |
519 | else | |
520 | erq->flags |= IW_ENCODE_RESTRICTED; | |
521 | ||
522 | return 0; | |
523 | } | |
524 | #if (WIRELESS_EXT >= 18) | |
525 | int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, | |
e406322b MCC |
526 | struct iw_request_info *info, |
527 | union iwreq_data *wrqu, char *extra) | |
8fc8598e JC |
528 | { |
529 | int ret = 0; | |
8fc8598e | 530 | struct net_device *dev = ieee->dev; |
e406322b MCC |
531 | struct iw_point *encoding = &wrqu->encoding; |
532 | struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; | |
533 | int i, idx; | |
534 | int group_key = 0; | |
535 | const char *alg, *module; | |
536 | struct ieee80211_crypto_ops *ops; | |
537 | struct ieee80211_crypt_data **crypt; | |
538 | ||
539 | struct ieee80211_security sec = { | |
540 | .flags = 0, | |
541 | }; | |
8fc8598e | 542 | //printk("======>encoding flag:%x,ext flag:%x, ext alg:%d\n", encoding->flags,ext->ext_flags, ext->alg); |
e406322b MCC |
543 | idx = encoding->flags & IW_ENCODE_INDEX; |
544 | if (idx) { | |
545 | if (idx < 1 || idx > WEP_KEYS) | |
546 | return -EINVAL; | |
547 | idx--; | |
548 | } else | |
549 | idx = ieee->tx_keyidx; | |
8fc8598e | 550 | |
e406322b | 551 | if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) { |
8fc8598e | 552 | |
e406322b | 553 | crypt = &ieee->crypt[idx]; |
8fc8598e | 554 | |
e406322b MCC |
555 | group_key = 1; |
556 | } else { | |
557 | /* some Cisco APs use idx>0 for unicast in dynamic WEP */ | |
8fc8598e | 558 | //printk("not group key, flags:%x, ext->alg:%d\n", ext->ext_flags, ext->alg); |
e406322b MCC |
559 | if (idx != 0 && ext->alg != IW_ENCODE_ALG_WEP) |
560 | return -EINVAL; | |
561 | if (ieee->iw_mode == IW_MODE_INFRA) | |
8fc8598e | 562 | |
e406322b | 563 | crypt = &ieee->crypt[idx]; |
8fc8598e | 564 | |
e406322b MCC |
565 | else |
566 | return -EINVAL; | |
567 | } | |
8fc8598e | 568 | |
e406322b MCC |
569 | sec.flags |= SEC_ENABLED;// | SEC_ENCRYPT; |
570 | if ((encoding->flags & IW_ENCODE_DISABLED) || | |
571 | ext->alg == IW_ENCODE_ALG_NONE) { | |
572 | if (*crypt) | |
573 | ieee80211_crypt_delayed_deinit(ieee, crypt); | |
8fc8598e | 574 | |
e406322b | 575 | for (i = 0; i < WEP_KEYS; i++) |
8fc8598e JC |
576 | |
577 | if (ieee->crypt[i] != NULL) | |
578 | ||
e406322b | 579 | break; |
8fc8598e | 580 | |
e406322b MCC |
581 | if (i == WEP_KEYS) { |
582 | sec.enabled = 0; | |
583 | // sec.encrypt = 0; | |
584 | sec.level = SEC_LEVEL_0; | |
585 | sec.flags |= SEC_LEVEL; | |
586 | } | |
8fc8598e | 587 | //printk("disabled: flag:%x\n", encoding->flags); |
e406322b MCC |
588 | goto done; |
589 | } | |
8fc8598e JC |
590 | |
591 | sec.enabled = 1; | |
592 | // sec.encrypt = 1; | |
e406322b MCC |
593 | switch (ext->alg) { |
594 | case IW_ENCODE_ALG_WEP: | |
595 | alg = "WEP"; | |
596 | module = "ieee80211_crypt_wep"; | |
597 | break; | |
598 | case IW_ENCODE_ALG_TKIP: | |
599 | alg = "TKIP"; | |
600 | module = "ieee80211_crypt_tkip"; | |
601 | break; | |
602 | case IW_ENCODE_ALG_CCMP: | |
603 | alg = "CCMP"; | |
604 | module = "ieee80211_crypt_ccmp"; | |
605 | break; | |
606 | default: | |
607 | IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", | |
608 | dev->name, ext->alg); | |
609 | ret = -EINVAL; | |
610 | goto done; | |
611 | } | |
8fc8598e JC |
612 | printk("alg name:%s\n",alg); |
613 | ||
614 | ops = ieee80211_get_crypto_ops(alg); | |
e406322b MCC |
615 | if (ops == NULL) { |
616 | request_module(module); | |
617 | ops = ieee80211_get_crypto_ops(alg); | |
618 | } | |
619 | if (ops == NULL) { | |
620 | IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", | |
621 | dev->name, ext->alg); | |
8fc8598e | 622 | printk("========>unknown crypto alg %d\n", ext->alg); |
e406322b MCC |
623 | ret = -EINVAL; |
624 | goto done; | |
625 | } | |
8fc8598e | 626 | |
e406322b MCC |
627 | if (*crypt == NULL || (*crypt)->ops != ops) { |
628 | struct ieee80211_crypt_data *new_crypt; | |
8fc8598e | 629 | |
e406322b | 630 | ieee80211_crypt_delayed_deinit(ieee, crypt); |
8fc8598e | 631 | |
e406322b | 632 | new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL); |
e406322b MCC |
633 | if (new_crypt == NULL) { |
634 | ret = -ENOMEM; | |
635 | goto done; | |
636 | } | |
637 | new_crypt->ops = ops; | |
638 | if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) | |
639 | new_crypt->priv = new_crypt->ops->init(idx); | |
640 | if (new_crypt->priv == NULL) { | |
641 | kfree(new_crypt); | |
642 | ret = -EINVAL; | |
643 | goto done; | |
644 | } | |
645 | *crypt = new_crypt; | |
646 | ||
647 | } | |
648 | ||
649 | if (ext->key_len > 0 && (*crypt)->ops->set_key && | |
650 | (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq, | |
651 | (*crypt)->priv) < 0) { | |
652 | IEEE80211_DEBUG_WX("%s: key setting failed\n", dev->name); | |
8fc8598e | 653 | printk("key setting failed\n"); |
e406322b MCC |
654 | ret = -EINVAL; |
655 | goto done; | |
656 | } | |
8fc8598e JC |
657 | //skip_host_crypt: |
658 | //printk("skip_host_crypt:ext_flags:%x\n", ext->ext_flags); | |
e406322b MCC |
659 | if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) { |
660 | ieee->tx_keyidx = idx; | |
661 | sec.active_key = idx; | |
662 | sec.flags |= SEC_ACTIVE_KEY; | |
663 | } | |
664 | ||
665 | if (ext->alg != IW_ENCODE_ALG_NONE) { | |
666 | //memcpy(sec.keys[idx], ext->key, ext->key_len); | |
667 | sec.key_sizes[idx] = ext->key_len; | |
668 | sec.flags |= (1 << idx); | |
669 | if (ext->alg == IW_ENCODE_ALG_WEP) { | |
670 | // sec.encode_alg[idx] = SEC_ALG_WEP; | |
671 | sec.flags |= SEC_LEVEL; | |
672 | sec.level = SEC_LEVEL_1; | |
673 | } else if (ext->alg == IW_ENCODE_ALG_TKIP) { | |
674 | // sec.encode_alg[idx] = SEC_ALG_TKIP; | |
675 | sec.flags |= SEC_LEVEL; | |
676 | sec.level = SEC_LEVEL_2; | |
677 | } else if (ext->alg == IW_ENCODE_ALG_CCMP) { | |
678 | // sec.encode_alg[idx] = SEC_ALG_CCMP; | |
679 | sec.flags |= SEC_LEVEL; | |
680 | sec.level = SEC_LEVEL_3; | |
681 | } | |
682 | /* Don't set sec level for group keys. */ | |
683 | if (group_key) | |
684 | sec.flags &= ~SEC_LEVEL; | |
685 | } | |
8fc8598e | 686 | done: |
e406322b MCC |
687 | if (ieee->set_security) |
688 | ieee->set_security(ieee->dev, &sec); | |
8fc8598e JC |
689 | |
690 | if (ieee->reset_on_keychange && | |
e406322b MCC |
691 | ieee->iw_mode != IW_MODE_INFRA && |
692 | ieee->reset_port && ieee->reset_port(dev)) { | |
693 | IEEE80211_DEBUG_WX("%s: reset_port failed\n", dev->name); | |
694 | return -EINVAL; | |
695 | } | |
e406322b | 696 | return ret; |
8fc8598e JC |
697 | } |
698 | ||
699 | int ieee80211_wx_get_encode_ext(struct ieee80211_device *ieee, | |
700 | struct iw_request_info *info, | |
701 | union iwreq_data *wrqu, char *extra) | |
702 | { | |
703 | struct iw_point *encoding = &wrqu->encoding; | |
704 | struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; | |
705 | struct ieee80211_crypt_data *crypt; | |
706 | int idx, max_key_len; | |
707 | ||
708 | max_key_len = encoding->length - sizeof(*ext); | |
709 | if (max_key_len < 0) | |
710 | return -EINVAL; | |
711 | ||
712 | idx = encoding->flags & IW_ENCODE_INDEX; | |
713 | if (idx) { | |
714 | if (idx < 1 || idx > WEP_KEYS) | |
715 | return -EINVAL; | |
716 | idx--; | |
717 | } else | |
718 | idx = ieee->tx_keyidx; | |
719 | ||
716323c0 | 720 | if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) && |
8fc8598e JC |
721 | ext->alg != IW_ENCODE_ALG_WEP) |
722 | if (idx != 0 || ieee->iw_mode != IW_MODE_INFRA) | |
723 | return -EINVAL; | |
724 | ||
725 | crypt = ieee->crypt[idx]; | |
726 | encoding->flags = idx + 1; | |
727 | memset(ext, 0, sizeof(*ext)); | |
728 | ||
729 | if (crypt == NULL || crypt->ops == NULL ) { | |
730 | ext->alg = IW_ENCODE_ALG_NONE; | |
731 | ext->key_len = 0; | |
732 | encoding->flags |= IW_ENCODE_DISABLED; | |
733 | } else { | |
734 | if (strcmp(crypt->ops->name, "WEP") == 0 ) | |
735 | ext->alg = IW_ENCODE_ALG_WEP; | |
736 | else if (strcmp(crypt->ops->name, "TKIP")) | |
737 | ext->alg = IW_ENCODE_ALG_TKIP; | |
738 | else if (strcmp(crypt->ops->name, "CCMP")) | |
739 | ext->alg = IW_ENCODE_ALG_CCMP; | |
740 | else | |
741 | return -EINVAL; | |
742 | ext->key_len = crypt->ops->get_key(ext->key, SCM_KEY_LEN, NULL, crypt->priv); | |
743 | encoding->flags |= IW_ENCODE_ENABLED; | |
744 | if (ext->key_len && | |
745 | (ext->alg == IW_ENCODE_ALG_TKIP || | |
746 | ext->alg == IW_ENCODE_ALG_CCMP)) | |
747 | ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID; | |
748 | ||
749 | } | |
750 | ||
751 | return 0; | |
752 | } | |
753 | ||
754 | int ieee80211_wx_set_mlme(struct ieee80211_device *ieee, | |
e406322b MCC |
755 | struct iw_request_info *info, |
756 | union iwreq_data *wrqu, char *extra) | |
8fc8598e | 757 | { |
8fc8598e JC |
758 | struct iw_mlme *mlme = (struct iw_mlme *) extra; |
759 | switch (mlme->cmd) { | |
e406322b | 760 | case IW_MLME_DEAUTH: |
8fc8598e JC |
761 | case IW_MLME_DISASSOC: |
762 | ieee80211_disassociate(ieee); | |
763 | break; | |
764 | default: | |
e406322b MCC |
765 | return -EOPNOTSUPP; |
766 | } | |
8fc8598e JC |
767 | return 0; |
768 | } | |
769 | ||
770 | int ieee80211_wx_set_auth(struct ieee80211_device *ieee, | |
e406322b MCC |
771 | struct iw_request_info *info, |
772 | struct iw_param *data, char *extra) | |
8fc8598e | 773 | { |
8fc8598e | 774 | switch (data->flags & IW_AUTH_INDEX) { |
e406322b | 775 | case IW_AUTH_WPA_VERSION: |
8fc8598e JC |
776 | /*need to support wpa2 here*/ |
777 | //printk("wpa version:%x\n", data->value); | |
778 | break; | |
e406322b MCC |
779 | case IW_AUTH_CIPHER_PAIRWISE: |
780 | case IW_AUTH_CIPHER_GROUP: | |
781 | case IW_AUTH_KEY_MGMT: | |
782 | /* | |
8fc8598e JC |
783 | * * Host AP driver does not use these parameters and allows |
784 | * * wpa_supplicant to control them internally. | |
785 | * */ | |
e406322b MCC |
786 | break; |
787 | case IW_AUTH_TKIP_COUNTERMEASURES: | |
788 | ieee->tkip_countermeasures = data->value; | |
789 | break; | |
790 | case IW_AUTH_DROP_UNENCRYPTED: | |
791 | ieee->drop_unencrypted = data->value; | |
8fc8598e JC |
792 | break; |
793 | ||
794 | case IW_AUTH_80211_AUTH_ALG: | |
795 | //printk("======>%s():data->value is %d\n",__FUNCTION__,data->value); | |
796 | // ieee->open_wep = (data->value&IW_AUTH_ALG_OPEN_SYSTEM)?1:0; | |
797 | if(data->value & IW_AUTH_ALG_SHARED_KEY){ | |
798 | ieee->open_wep = 0; | |
799 | ieee->auth_mode = 1; | |
800 | } | |
801 | else if(data->value & IW_AUTH_ALG_OPEN_SYSTEM){ | |
802 | ieee->open_wep = 1; | |
803 | ieee->auth_mode = 0; | |
804 | } | |
805 | else if(data->value & IW_AUTH_ALG_LEAP){ | |
806 | ieee->open_wep = 1; | |
807 | ieee->auth_mode = 2; | |
808 | //printk("hahahaa:LEAP\n"); | |
809 | } | |
810 | else | |
811 | return -EINVAL; | |
812 | //printk("open_wep:%d\n", ieee->open_wep); | |
813 | break; | |
814 | ||
8fc8598e JC |
815 | case IW_AUTH_WPA_ENABLED: |
816 | ieee->wpa_enabled = (data->value)?1:0; | |
817 | //printk("enalbe wpa:%d\n", ieee->wpa_enabled); | |
818 | break; | |
819 | ||
8fc8598e | 820 | case IW_AUTH_RX_UNENCRYPTED_EAPOL: |
e406322b | 821 | ieee->ieee802_1x = data->value; |
8fc8598e JC |
822 | break; |
823 | case IW_AUTH_PRIVACY_INVOKED: | |
824 | ieee->privacy_invoked = data->value; | |
825 | break; | |
826 | default: | |
e406322b | 827 | return -EOPNOTSUPP; |
8fc8598e | 828 | } |
8fc8598e JC |
829 | return 0; |
830 | } | |
831 | #endif | |
8fc8598e JC |
832 | int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len) |
833 | { | |
8fc8598e JC |
834 | u8 *buf; |
835 | ||
836 | if (len>MAX_WPA_IE_LEN || (len && ie == NULL)) | |
837 | { | |
838 | // printk("return error out, len:%d\n", len); | |
839 | return -EINVAL; | |
840 | } | |
841 | ||
842 | ||
843 | if (len) | |
844 | { | |
845 | if (len != ie[1]+2) | |
846 | { | |
3d8affc0 | 847 | printk("len:%zu, ie:%d\n", len, ie[1]); |
8fc8598e JC |
848 | return -EINVAL; |
849 | } | |
94002c07 | 850 | buf = kmemdup(ie, len, GFP_KERNEL); |
8fc8598e JC |
851 | if (buf == NULL) |
852 | return -ENOMEM; | |
8fc8598e JC |
853 | kfree(ieee->wpa_ie); |
854 | ieee->wpa_ie = buf; | |
855 | ieee->wpa_ie_len = len; | |
856 | } | |
857 | else{ | |
858 | if (ieee->wpa_ie) | |
859 | kfree(ieee->wpa_ie); | |
860 | ieee->wpa_ie = NULL; | |
861 | ieee->wpa_ie_len = 0; | |
862 | } | |
8fc8598e JC |
863 | return 0; |
864 | ||
865 | } | |
8fc8598e | 866 | |
8fc8598e JC |
867 | EXPORT_SYMBOL(ieee80211_wx_set_gen_ie); |
868 | #if (WIRELESS_EXT >= 18) | |
869 | EXPORT_SYMBOL(ieee80211_wx_set_mlme); | |
870 | EXPORT_SYMBOL(ieee80211_wx_set_auth); | |
871 | EXPORT_SYMBOL(ieee80211_wx_set_encode_ext); | |
872 | EXPORT_SYMBOL(ieee80211_wx_get_encode_ext); | |
873 | #endif | |
874 | EXPORT_SYMBOL(ieee80211_wx_get_scan); | |
875 | EXPORT_SYMBOL(ieee80211_wx_set_encode); | |
876 | EXPORT_SYMBOL(ieee80211_wx_get_encode); |