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92b96797 FB |
1 | /* |
2 | * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. | |
3 | * All rights reserved. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License along | |
16 | * with this program; if not, write to the Free Software Foundation, Inc., | |
17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 | * | |
19 | * | |
20 | * File: key.c | |
21 | * | |
22 | * Purpose: Implement functions for 802.11i Key management | |
23 | * | |
24 | * Author: Jerry Chen | |
25 | * | |
26 | * Date: May 29, 2003 | |
27 | * | |
28 | * Functions: | |
29 | * KeyvInitTable - Init Key management table | |
30 | * KeybGetKey - Get Key from table | |
31 | * KeybSetKey - Set Key to table | |
32 | * KeybRemoveKey - Remove Key from table | |
33 | * KeybGetTransmitKey - Get Transmit Key from table | |
34 | * | |
35 | * Revision History: | |
36 | * | |
37 | */ | |
38 | ||
92b96797 | 39 | #include "tmacro.h" |
92b96797 | 40 | #include "key.h" |
92b96797 | 41 | #include "mac.h" |
92b96797 | 42 | #include "rndis.h" |
92b96797 | 43 | #include "control.h" |
92b96797 FB |
44 | |
45 | /*--------------------- Static Definitions -------------------------*/ | |
46 | ||
47 | /*--------------------- Static Classes ----------------------------*/ | |
48 | ||
49 | /*--------------------- Static Variables --------------------------*/ | |
50 | static int msglevel =MSG_LEVEL_INFO; | |
51 | //static int msglevel =MSG_LEVEL_DEBUG; | |
52 | /*--------------------- Static Functions --------------------------*/ | |
53 | ||
54 | /*--------------------- Export Variables --------------------------*/ | |
55 | ||
56 | /*--------------------- Static Definitions -------------------------*/ | |
57 | ||
58 | /*--------------------- Static Classes ----------------------------*/ | |
59 | ||
60 | /*--------------------- Static Variables --------------------------*/ | |
61 | ||
62 | /*--------------------- Static Functions --------------------------*/ | |
63 | static VOID | |
64 | s_vCheckKeyTableValid (PVOID pDeviceHandler, PSKeyManagement pTable) | |
65 | { | |
66 | PSDevice pDevice = (PSDevice) pDeviceHandler; | |
67 | int i; | |
68 | WORD wLength = 0; | |
69 | BYTE pbyData[MAX_KEY_TABLE]; | |
70 | ||
71 | for (i=0;i<MAX_KEY_TABLE;i++) { | |
72 | if ((pTable->KeyTable[i].bInUse == TRUE) && | |
73 | (pTable->KeyTable[i].PairwiseKey.bKeyValid == FALSE) && | |
74 | (pTable->KeyTable[i].GroupKey[0].bKeyValid == FALSE) && | |
75 | (pTable->KeyTable[i].GroupKey[1].bKeyValid == FALSE) && | |
76 | (pTable->KeyTable[i].GroupKey[2].bKeyValid == FALSE) && | |
77 | (pTable->KeyTable[i].GroupKey[3].bKeyValid == FALSE) | |
78 | ) { | |
79 | ||
80 | pTable->KeyTable[i].bInUse = FALSE; | |
81 | pTable->KeyTable[i].wKeyCtl = 0; | |
82 | pTable->KeyTable[i].bSoftWEP = FALSE; | |
83 | pbyData[wLength++] = (BYTE) i; | |
84 | //MACvDisableKeyEntry(pDevice, i); | |
85 | } | |
86 | } | |
87 | if ( wLength != 0 ) { | |
88 | CONTROLnsRequestOut(pDevice, | |
89 | MESSAGE_TYPE_CLRKEYENTRY, | |
90 | 0, | |
91 | 0, | |
92 | wLength, | |
93 | pbyData | |
94 | ); | |
95 | } | |
96 | ||
97 | } | |
98 | ||
99 | ||
100 | /*--------------------- Export Functions --------------------------*/ | |
101 | ||
102 | ||
103 | /* | |
104 | * Description: Init Key management table | |
105 | * | |
106 | * Parameters: | |
107 | * In: | |
108 | * pTable - Pointer to Key table | |
109 | * Out: | |
110 | * none | |
111 | * | |
112 | * Return Value: none | |
113 | * | |
114 | */ | |
115 | VOID KeyvInitTable(PVOID pDeviceHandler, PSKeyManagement pTable) | |
116 | { | |
117 | PSDevice pDevice = (PSDevice) pDeviceHandler; | |
118 | int i; | |
119 | int jj; | |
120 | BYTE pbyData[MAX_KEY_TABLE+1]; | |
121 | ||
122 | spin_lock_irq(&pDevice->lock); | |
123 | for (i=0;i<MAX_KEY_TABLE;i++) { | |
124 | pTable->KeyTable[i].bInUse = FALSE; | |
125 | pTable->KeyTable[i].PairwiseKey.bKeyValid = FALSE; | |
126 | pTable->KeyTable[i].PairwiseKey.pvKeyTable = (PVOID)&pTable->KeyTable[i]; | |
127 | for (jj=0; jj < MAX_GROUP_KEY; jj++) { | |
128 | pTable->KeyTable[i].GroupKey[jj].bKeyValid = FALSE; | |
129 | pTable->KeyTable[i].GroupKey[jj].pvKeyTable = (PVOID) &(pTable->KeyTable[i]); | |
130 | } | |
131 | pTable->KeyTable[i].wKeyCtl = 0; | |
132 | pTable->KeyTable[i].dwGTKeyIndex = 0; | |
133 | pTable->KeyTable[i].bSoftWEP = FALSE; | |
134 | pbyData[i] = (BYTE) i; | |
135 | } | |
136 | pbyData[i] = (BYTE) i; | |
137 | CONTROLnsRequestOut(pDevice, | |
138 | MESSAGE_TYPE_CLRKEYENTRY, | |
139 | 0, | |
140 | 0, | |
141 | 11, | |
142 | pbyData | |
143 | ); | |
144 | ||
145 | spin_unlock_irq(&pDevice->lock); | |
146 | ||
147 | return; | |
148 | } | |
149 | ||
150 | ||
151 | /* | |
152 | * Description: Get Key from table | |
153 | * | |
154 | * Parameters: | |
155 | * In: | |
156 | * pTable - Pointer to Key table | |
157 | * pbyBSSID - BSSID of Key | |
158 | * dwKeyIndex - Key Index (0xFFFFFFFF means pairwise key) | |
159 | * Out: | |
160 | * pKey - Key return | |
161 | * | |
162 | * Return Value: TRUE if found otherwise FALSE | |
163 | * | |
164 | */ | |
165 | BOOL KeybGetKey ( | |
166 | IN PSKeyManagement pTable, | |
167 | IN PBYTE pbyBSSID, | |
168 | IN DWORD dwKeyIndex, | |
169 | OUT PSKeyItem *pKey | |
170 | ) | |
171 | { | |
172 | int i; | |
173 | ||
174 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"KeybGetKey() \n"); | |
175 | ||
176 | *pKey = NULL; | |
177 | for (i=0;i<MAX_KEY_TABLE;i++) { | |
178 | if ((pTable->KeyTable[i].bInUse == TRUE) && | |
179 | IS_ETH_ADDRESS_EQUAL(pTable->KeyTable[i].abyBSSID,pbyBSSID)) { | |
180 | if (dwKeyIndex == 0xFFFFFFFF) { | |
181 | if (pTable->KeyTable[i].PairwiseKey.bKeyValid == TRUE) { | |
182 | *pKey = &(pTable->KeyTable[i].PairwiseKey); | |
183 | return (TRUE); | |
184 | } | |
185 | else { | |
186 | return (FALSE); | |
187 | } | |
188 | } else if (dwKeyIndex < MAX_GROUP_KEY) { | |
189 | if (pTable->KeyTable[i].GroupKey[dwKeyIndex].bKeyValid == TRUE) { | |
190 | *pKey = &(pTable->KeyTable[i].GroupKey[dwKeyIndex]); | |
191 | return (TRUE); | |
192 | } | |
193 | else { | |
194 | return (FALSE); | |
195 | } | |
196 | } | |
197 | else { | |
198 | return (FALSE); | |
199 | } | |
200 | } | |
201 | } | |
202 | return (FALSE); | |
203 | } | |
204 | ||
205 | ||
206 | /* | |
207 | * Description: Set Key to table | |
208 | * | |
209 | * Parameters: | |
210 | * In: | |
211 | * pTable - Pointer to Key table | |
212 | * pbyBSSID - BSSID of Key | |
213 | * dwKeyIndex - Key index (reference to NDIS DDK) | |
214 | * uKeyLength - Key length | |
215 | * KeyRSC - Key RSC | |
216 | * pbyKey - Pointer to key | |
217 | * Out: | |
218 | * none | |
219 | * | |
220 | * Return Value: TRUE if success otherwise FALSE | |
221 | * | |
222 | */ | |
223 | BOOL KeybSetKey ( | |
224 | PVOID pDeviceHandler, | |
225 | PSKeyManagement pTable, | |
226 | PBYTE pbyBSSID, | |
227 | DWORD dwKeyIndex, | |
228 | ULONG uKeyLength, | |
229 | PQWORD pKeyRSC, | |
230 | PBYTE pbyKey, | |
231 | BYTE byKeyDecMode | |
232 | ) | |
233 | { | |
234 | PSDevice pDevice = (PSDevice) pDeviceHandler; | |
235 | int i,j; | |
236 | UINT ii; | |
237 | PSKeyItem pKey; | |
238 | UINT uKeyIdx; | |
239 | ||
240 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Enter KeybSetKey: %lX\n", dwKeyIndex); | |
241 | ||
242 | j = (MAX_KEY_TABLE-1); | |
243 | for (i=0;i<(MAX_KEY_TABLE-1);i++) { | |
244 | if ((pTable->KeyTable[i].bInUse == FALSE) && | |
245 | (j == (MAX_KEY_TABLE-1))) { | |
246 | // found empty table | |
247 | j = i; | |
248 | } | |
249 | if ((pTable->KeyTable[i].bInUse == TRUE) && | |
250 | IS_ETH_ADDRESS_EQUAL(pTable->KeyTable[i].abyBSSID,pbyBSSID)) { | |
251 | // found table already exist | |
252 | if ((dwKeyIndex & PAIRWISE_KEY) != 0) { | |
253 | // Pairwise key | |
254 | pKey = &(pTable->KeyTable[i].PairwiseKey); | |
255 | pTable->KeyTable[i].wKeyCtl &= 0xFFF0; // clear pairwise key control filed | |
256 | pTable->KeyTable[i].wKeyCtl |= byKeyDecMode; | |
257 | uKeyIdx = 4; // use HW key entry 4 for pairwise key | |
258 | } else { | |
259 | // Group key | |
260 | if ((dwKeyIndex & 0x000000FF) >= MAX_GROUP_KEY) | |
261 | return (FALSE); | |
262 | pKey = &(pTable->KeyTable[i].GroupKey[dwKeyIndex & 0x000000FF]); | |
263 | if ((dwKeyIndex & TRANSMIT_KEY) != 0) { | |
264 | // Group transmit key | |
265 | pTable->KeyTable[i].dwGTKeyIndex = dwKeyIndex; | |
266 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Group transmit key(R)[%lX]: %d\n", pTable->KeyTable[i].dwGTKeyIndex, i); | |
267 | } | |
268 | pTable->KeyTable[i].wKeyCtl &= 0xFF0F; // clear group key control filed | |
269 | pTable->KeyTable[i].wKeyCtl |= (byKeyDecMode << 4); | |
270 | pTable->KeyTable[i].wKeyCtl |= 0x0040; // use group key for group address | |
271 | uKeyIdx = (dwKeyIndex & 0x000000FF); | |
272 | } | |
273 | pTable->KeyTable[i].wKeyCtl |= 0x8000; // enable on-fly | |
274 | ||
275 | pKey->bKeyValid = TRUE; | |
276 | pKey->uKeyLength = uKeyLength; | |
277 | pKey->dwKeyIndex = dwKeyIndex; | |
278 | pKey->byCipherSuite = byKeyDecMode; | |
3e362598 | 279 | memcpy(pKey->abyKey, pbyKey, uKeyLength); |
92b96797 FB |
280 | if (byKeyDecMode == KEY_CTL_WEP) { |
281 | if (uKeyLength == WLAN_WEP40_KEYLEN) | |
282 | pKey->abyKey[15] &= 0x7F; | |
283 | if (uKeyLength == WLAN_WEP104_KEYLEN) | |
284 | pKey->abyKey[15] |= 0x80; | |
285 | } | |
286 | MACvSetKeyEntry(pDevice, pTable->KeyTable[i].wKeyCtl, i, uKeyIdx, pbyBSSID, (PDWORD)pKey->abyKey); | |
287 | ||
288 | if ((dwKeyIndex & USE_KEYRSC) == 0) { | |
289 | // RSC set by NIC | |
3e362598 | 290 | memset(&(pKey->KeyRSC), 0, sizeof(QWORD)); |
92b96797 FB |
291 | } |
292 | else { | |
3e362598 | 293 | memcpy(&(pKey->KeyRSC), pKeyRSC, sizeof(QWORD)); |
92b96797 FB |
294 | } |
295 | pKey->dwTSC47_16 = 0; | |
296 | pKey->wTSC15_0 = 0; | |
297 | ||
298 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"KeybSetKey(R): \n"); | |
299 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->bKeyValid: %d\n ", pKey->bKeyValid); | |
300 | //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->uKeyLength: %d\n ", pKey->uKeyLength); | |
301 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->abyKey: "); | |
302 | for (ii = 0; ii < pKey->uKeyLength; ii++) { | |
303 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%02x ", pKey->abyKey[ii]); | |
304 | } | |
305 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\n"); | |
306 | ||
307 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwTSC47_16: %lx\n ", pKey->dwTSC47_16); | |
308 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->wTSC15_0: %x\n ", pKey->wTSC15_0); | |
309 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwKeyIndex: %lx\n ", pKey->dwKeyIndex); | |
310 | ||
311 | return (TRUE); | |
312 | } | |
313 | } | |
314 | if (j < (MAX_KEY_TABLE-1)) { | |
3e362598 | 315 | memcpy(pTable->KeyTable[j].abyBSSID,pbyBSSID,U_ETHER_ADDR_LEN); |
92b96797 FB |
316 | pTable->KeyTable[j].bInUse = TRUE; |
317 | if ((dwKeyIndex & PAIRWISE_KEY) != 0) { | |
318 | // Pairwise key | |
319 | pKey = &(pTable->KeyTable[j].PairwiseKey); | |
320 | pTable->KeyTable[j].wKeyCtl &= 0xFFF0; // clear pairwise key control filed | |
321 | pTable->KeyTable[j].wKeyCtl |= byKeyDecMode; | |
322 | uKeyIdx = 4; // use HW key entry 4 for pairwise key | |
323 | } else { | |
324 | // Group key | |
325 | if ((dwKeyIndex & 0x000000FF) >= MAX_GROUP_KEY) | |
326 | return (FALSE); | |
327 | pKey = &(pTable->KeyTable[j].GroupKey[dwKeyIndex & 0x000000FF]); | |
328 | if ((dwKeyIndex & TRANSMIT_KEY) != 0) { | |
329 | // Group transmit key | |
330 | pTable->KeyTable[j].dwGTKeyIndex = dwKeyIndex; | |
331 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Group transmit key(N)[%lX]: %d\n", pTable->KeyTable[j].dwGTKeyIndex, j); | |
332 | } | |
333 | pTable->KeyTable[j].wKeyCtl &= 0xFF0F; // clear group key control filed | |
334 | pTable->KeyTable[j].wKeyCtl |= (byKeyDecMode << 4); | |
335 | pTable->KeyTable[j].wKeyCtl |= 0x0040; // use group key for group address | |
336 | uKeyIdx = (dwKeyIndex & 0x000000FF); | |
337 | } | |
338 | pTable->KeyTable[j].wKeyCtl |= 0x8000; // enable on-fly | |
339 | ||
340 | pKey->bKeyValid = TRUE; | |
341 | pKey->uKeyLength = uKeyLength; | |
342 | pKey->dwKeyIndex = dwKeyIndex; | |
343 | pKey->byCipherSuite = byKeyDecMode; | |
3e362598 | 344 | memcpy(pKey->abyKey, pbyKey, uKeyLength); |
92b96797 FB |
345 | if (byKeyDecMode == KEY_CTL_WEP) { |
346 | if (uKeyLength == WLAN_WEP40_KEYLEN) | |
347 | pKey->abyKey[15] &= 0x7F; | |
348 | if (uKeyLength == WLAN_WEP104_KEYLEN) | |
349 | pKey->abyKey[15] |= 0x80; | |
350 | } | |
351 | MACvSetKeyEntry(pDevice, pTable->KeyTable[j].wKeyCtl, j, uKeyIdx, pbyBSSID, (PDWORD)pKey->abyKey); | |
352 | ||
353 | if ((dwKeyIndex & USE_KEYRSC) == 0) { | |
354 | // RSC set by NIC | |
3e362598 | 355 | memset(&(pKey->KeyRSC), 0, sizeof(QWORD)); |
92b96797 FB |
356 | } |
357 | else { | |
3e362598 | 358 | memcpy(&(pKey->KeyRSC), pKeyRSC, sizeof(QWORD)); |
92b96797 FB |
359 | } |
360 | pKey->dwTSC47_16 = 0; | |
361 | pKey->wTSC15_0 = 0; | |
362 | ||
363 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"KeybSetKey(N): \n"); | |
364 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->bKeyValid: %d\n ", pKey->bKeyValid); | |
365 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->uKeyLength: %d\n ", (int)pKey->uKeyLength); | |
366 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->abyKey: "); | |
367 | for (ii = 0; ii < pKey->uKeyLength; ii++) { | |
368 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%02x ", pKey->abyKey[ii]); | |
369 | } | |
370 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\n"); | |
371 | ||
372 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwTSC47_16: %lx\n ", pKey->dwTSC47_16); | |
373 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->wTSC15_0: %x\n ", pKey->wTSC15_0); | |
374 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwKeyIndex: %lx\n ", pKey->dwKeyIndex); | |
375 | ||
376 | return (TRUE); | |
377 | } | |
378 | return (FALSE); | |
379 | } | |
380 | ||
381 | ||
382 | /* | |
383 | * Description: Remove Key from table | |
384 | * | |
385 | * Parameters: | |
386 | * In: | |
387 | * pTable - Pointer to Key table | |
388 | * pbyBSSID - BSSID of Key | |
389 | * dwKeyIndex - Key Index (reference to NDIS DDK) | |
390 | * Out: | |
391 | * none | |
392 | * | |
393 | * Return Value: TRUE if success otherwise FALSE | |
394 | * | |
395 | */ | |
396 | BOOL KeybRemoveKey ( | |
397 | PVOID pDeviceHandler, | |
398 | PSKeyManagement pTable, | |
399 | PBYTE pbyBSSID, | |
400 | DWORD dwKeyIndex | |
401 | ) | |
402 | { | |
403 | PSDevice pDevice = (PSDevice) pDeviceHandler; | |
404 | int i; | |
405 | BOOL bReturnValue = FALSE; | |
406 | ||
407 | if (IS_BROADCAST_ADDRESS(pbyBSSID)) { | |
408 | // dealte all key | |
409 | if ((dwKeyIndex & PAIRWISE_KEY) != 0) { | |
410 | for (i=0;i<MAX_KEY_TABLE;i++) { | |
411 | pTable->KeyTable[i].PairwiseKey.bKeyValid = FALSE; | |
412 | } | |
413 | bReturnValue = TRUE; | |
414 | } | |
415 | else if ((dwKeyIndex & 0x000000FF) < MAX_GROUP_KEY) { | |
416 | for (i=0;i<MAX_KEY_TABLE;i++) { | |
417 | pTable->KeyTable[i].GroupKey[dwKeyIndex & 0x000000FF].bKeyValid = FALSE; | |
418 | if ((dwKeyIndex & 0x7FFFFFFF) == (pTable->KeyTable[i].dwGTKeyIndex & 0x7FFFFFFF)) { | |
419 | // remove Group transmit key | |
420 | pTable->KeyTable[i].dwGTKeyIndex = 0; | |
421 | } | |
422 | } | |
423 | bReturnValue = TRUE; | |
424 | } | |
425 | else { | |
426 | bReturnValue = FALSE; | |
427 | } | |
428 | ||
429 | } else { | |
430 | for (i=0;i<MAX_KEY_TABLE;i++) { | |
431 | if ( (pTable->KeyTable[i].bInUse == TRUE) && | |
432 | IS_ETH_ADDRESS_EQUAL(pTable->KeyTable[i].abyBSSID,pbyBSSID)) { | |
433 | ||
434 | if ((dwKeyIndex & PAIRWISE_KEY) != 0) { | |
435 | pTable->KeyTable[i].PairwiseKey.bKeyValid = FALSE; | |
436 | bReturnValue = TRUE; | |
437 | break; | |
438 | } | |
439 | else if ((dwKeyIndex & 0x000000FF) < MAX_GROUP_KEY) { | |
440 | pTable->KeyTable[i].GroupKey[dwKeyIndex & 0x000000FF].bKeyValid = FALSE; | |
441 | if ((dwKeyIndex & 0x7FFFFFFF) == (pTable->KeyTable[i].dwGTKeyIndex & 0x7FFFFFFF)) { | |
442 | // remove Group transmit key | |
443 | pTable->KeyTable[i].dwGTKeyIndex = 0; | |
444 | } | |
445 | bReturnValue = TRUE; | |
446 | break; | |
447 | } | |
448 | else { | |
449 | bReturnValue = FALSE; | |
450 | break; | |
451 | } | |
452 | } //pTable->KeyTable[i].bInUse == TRUE | |
453 | } //for | |
454 | bReturnValue = TRUE; | |
455 | } | |
456 | ||
457 | s_vCheckKeyTableValid(pDevice,pTable); | |
458 | return bReturnValue; | |
459 | ||
460 | ||
461 | } | |
462 | ||
463 | ||
464 | /* | |
465 | * Description: Remove Key from table | |
466 | * | |
467 | * Parameters: | |
468 | * In: | |
469 | * pTable - Pointer to Key table | |
470 | * pbyBSSID - BSSID of Key | |
471 | * Out: | |
472 | * none | |
473 | * | |
474 | * Return Value: TRUE if success otherwise FALSE | |
475 | * | |
476 | */ | |
477 | BOOL KeybRemoveAllKey ( | |
478 | PVOID pDeviceHandler, | |
479 | PSKeyManagement pTable, | |
480 | PBYTE pbyBSSID | |
481 | ) | |
482 | { | |
483 | PSDevice pDevice = (PSDevice) pDeviceHandler; | |
484 | int i,u; | |
485 | ||
486 | for (i=0;i<MAX_KEY_TABLE;i++) { | |
487 | if ((pTable->KeyTable[i].bInUse == TRUE) && | |
488 | IS_ETH_ADDRESS_EQUAL(pTable->KeyTable[i].abyBSSID,pbyBSSID)) { | |
489 | pTable->KeyTable[i].PairwiseKey.bKeyValid = FALSE; | |
490 | for(u=0;u<MAX_GROUP_KEY;u++) { | |
491 | pTable->KeyTable[i].GroupKey[u].bKeyValid = FALSE; | |
492 | } | |
493 | pTable->KeyTable[i].dwGTKeyIndex = 0; | |
494 | s_vCheckKeyTableValid(pDevice, pTable); | |
495 | return (TRUE); | |
496 | } | |
497 | } | |
498 | return (FALSE); | |
499 | } | |
500 | ||
501 | /* | |
502 | * Description: Remove WEP Key from table | |
503 | * | |
504 | * Parameters: | |
505 | * In: | |
506 | * pTable - Pointer to Key table | |
507 | * Out: | |
508 | * none | |
509 | * | |
510 | * Return Value: TRUE if success otherwise FALSE | |
511 | * | |
512 | */ | |
513 | VOID KeyvRemoveWEPKey ( | |
514 | PVOID pDeviceHandler, | |
515 | PSKeyManagement pTable, | |
516 | DWORD dwKeyIndex | |
517 | ) | |
518 | { | |
519 | PSDevice pDevice = (PSDevice) pDeviceHandler; | |
520 | ||
521 | if ((dwKeyIndex & 0x000000FF) < MAX_GROUP_KEY) { | |
522 | if (pTable->KeyTable[MAX_KEY_TABLE-1].bInUse == TRUE) { | |
523 | if (pTable->KeyTable[MAX_KEY_TABLE-1].GroupKey[dwKeyIndex & 0x000000FF].byCipherSuite == KEY_CTL_WEP) { | |
524 | pTable->KeyTable[MAX_KEY_TABLE-1].GroupKey[dwKeyIndex & 0x000000FF].bKeyValid = FALSE; | |
525 | if ((dwKeyIndex & 0x7FFFFFFF) == (pTable->KeyTable[MAX_KEY_TABLE-1].dwGTKeyIndex & 0x7FFFFFFF)) { | |
526 | // remove Group transmit key | |
527 | pTable->KeyTable[MAX_KEY_TABLE-1].dwGTKeyIndex = 0; | |
528 | } | |
529 | } | |
530 | } | |
531 | s_vCheckKeyTableValid(pDevice, pTable); | |
532 | } | |
533 | return; | |
534 | } | |
535 | ||
536 | VOID KeyvRemoveAllWEPKey ( | |
537 | PVOID pDeviceHandler, | |
538 | PSKeyManagement pTable | |
539 | ) | |
540 | { | |
541 | PSDevice pDevice = (PSDevice) pDeviceHandler; | |
542 | ||
543 | int i; | |
544 | ||
545 | for(i=0;i<MAX_GROUP_KEY;i++) { | |
546 | KeyvRemoveWEPKey(pDevice,pTable, i); | |
547 | } | |
548 | ||
549 | } | |
550 | ||
551 | /* | |
552 | * Description: Get Transmit Key from table | |
553 | * | |
554 | * Parameters: | |
555 | * In: | |
556 | * pTable - Pointer to Key table | |
557 | * pbyBSSID - BSSID of Key | |
558 | * Out: | |
559 | * pKey - Key return | |
560 | * | |
561 | * Return Value: TRUE if found otherwise FALSE | |
562 | * | |
563 | */ | |
564 | BOOL KeybGetTransmitKey ( | |
565 | IN PSKeyManagement pTable, | |
566 | IN PBYTE pbyBSSID, | |
567 | IN DWORD dwKeyType, | |
568 | OUT PSKeyItem *pKey | |
569 | ) | |
570 | { | |
571 | int i, ii; | |
572 | ||
573 | *pKey = NULL; | |
574 | for (i=0;i<MAX_KEY_TABLE;i++) { | |
575 | if ((pTable->KeyTable[i].bInUse == TRUE) && | |
576 | IS_ETH_ADDRESS_EQUAL(pTable->KeyTable[i].abyBSSID,pbyBSSID)) { | |
577 | ||
578 | if (dwKeyType == PAIRWISE_KEY) { | |
579 | ||
580 | if (pTable->KeyTable[i].PairwiseKey.bKeyValid == TRUE) { | |
581 | *pKey = &(pTable->KeyTable[i].PairwiseKey); | |
582 | ||
583 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"KeybGetTransmitKey:"); | |
584 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"PAIRWISE_KEY: KeyTable.abyBSSID: "); | |
585 | for (ii = 0; ii < 6; ii++) { | |
586 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"%x ", pTable->KeyTable[i].abyBSSID[ii]); | |
587 | } | |
588 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\n"); | |
589 | ||
590 | ||
591 | return (TRUE); | |
592 | } | |
593 | else { | |
594 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"PairwiseKey.bKeyValid == FALSE\n"); | |
595 | return (FALSE); | |
596 | } | |
597 | } // End of Type == PAIRWISE | |
598 | else { | |
599 | if (pTable->KeyTable[i].dwGTKeyIndex == 0) { | |
600 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ERROR: dwGTKeyIndex == 0 !!!\n"); | |
601 | return FALSE; | |
602 | } | |
603 | if (pTable->KeyTable[i].GroupKey[(pTable->KeyTable[i].dwGTKeyIndex&0x000000FF)].bKeyValid == TRUE) { | |
604 | *pKey = &(pTable->KeyTable[i].GroupKey[(pTable->KeyTable[i].dwGTKeyIndex&0x000000FF)]); | |
605 | ||
606 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"KeybGetTransmitKey:"); | |
607 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"GROUP_KEY: KeyTable.abyBSSID\n"); | |
608 | for (ii = 0; ii < 6; ii++) { | |
609 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"%x ", pTable->KeyTable[i].abyBSSID[ii]); | |
610 | } | |
611 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\n"); | |
612 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"dwGTKeyIndex: %lX\n", pTable->KeyTable[i].dwGTKeyIndex); | |
613 | ||
614 | return (TRUE); | |
615 | } | |
616 | else { | |
617 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"GroupKey.bKeyValid == FALSE\n"); | |
618 | return (FALSE); | |
619 | } | |
620 | } // End of Type = GROUP | |
621 | } // BSSID match | |
622 | } | |
623 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ERROR: NO Match BSSID !!! "); | |
624 | for (ii = 0; ii < 6; ii++) { | |
625 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"%02x ", *(pbyBSSID+ii)); | |
626 | } | |
627 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\n"); | |
628 | return (FALSE); | |
629 | } | |
630 | ||
631 | ||
632 | /* | |
633 | * Description: Check Pairewise Key | |
634 | * | |
635 | * Parameters: | |
636 | * In: | |
637 | * pTable - Pointer to Key table | |
638 | * Out: | |
639 | * none | |
640 | * | |
641 | * Return Value: TRUE if found otherwise FALSE | |
642 | * | |
643 | */ | |
644 | BOOL KeybCheckPairewiseKey ( | |
645 | IN PSKeyManagement pTable, | |
646 | OUT PSKeyItem *pKey | |
647 | ) | |
648 | { | |
649 | int i; | |
650 | ||
651 | *pKey = NULL; | |
652 | for (i=0;i<MAX_KEY_TABLE;i++) { | |
653 | if ((pTable->KeyTable[i].bInUse == TRUE) && | |
654 | (pTable->KeyTable[i].PairwiseKey.bKeyValid == TRUE)) { | |
655 | *pKey = &(pTable->KeyTable[i].PairwiseKey); | |
656 | return (TRUE); | |
657 | } | |
658 | } | |
659 | return (FALSE); | |
660 | } | |
661 | ||
662 | /* | |
663 | * Description: Set Key to table | |
664 | * | |
665 | * Parameters: | |
666 | * In: | |
667 | * pTable - Pointer to Key table | |
668 | * dwKeyIndex - Key index (reference to NDIS DDK) | |
669 | * uKeyLength - Key length | |
670 | * KeyRSC - Key RSC | |
671 | * pbyKey - Pointer to key | |
672 | * Out: | |
673 | * none | |
674 | * | |
675 | * Return Value: TRUE if success otherwise FALSE | |
676 | * | |
677 | */ | |
678 | BOOL KeybSetDefaultKey ( | |
679 | PVOID pDeviceHandler, | |
680 | PSKeyManagement pTable, | |
681 | DWORD dwKeyIndex, | |
682 | ULONG uKeyLength, | |
683 | PQWORD pKeyRSC, | |
684 | PBYTE pbyKey, | |
685 | BYTE byKeyDecMode | |
686 | ) | |
687 | { | |
688 | PSDevice pDevice = (PSDevice) pDeviceHandler; | |
689 | UINT ii; | |
690 | PSKeyItem pKey; | |
691 | UINT uKeyIdx; | |
692 | ||
693 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Enter KeybSetDefaultKey: %1x, %d \n", (int)dwKeyIndex, (int)uKeyLength); | |
694 | ||
695 | ||
696 | if ((dwKeyIndex & PAIRWISE_KEY) != 0) { // Pairwise key | |
697 | return (FALSE); | |
698 | } else if ((dwKeyIndex & 0x000000FF) >= MAX_GROUP_KEY) { | |
699 | return (FALSE); | |
700 | } | |
701 | ||
702 | pTable->KeyTable[MAX_KEY_TABLE-1].bInUse = TRUE; | |
703 | for(ii=0;ii<U_ETHER_ADDR_LEN;ii++) | |
704 | pTable->KeyTable[MAX_KEY_TABLE-1].abyBSSID[ii] = 0xFF; | |
705 | ||
706 | // Group key | |
707 | pKey = &(pTable->KeyTable[MAX_KEY_TABLE-1].GroupKey[dwKeyIndex & 0x000000FF]); | |
708 | if ((dwKeyIndex & TRANSMIT_KEY) != 0) { | |
709 | // Group transmit key | |
710 | pTable->KeyTable[MAX_KEY_TABLE-1].dwGTKeyIndex = dwKeyIndex; | |
711 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Group transmit key(R)[%lX]: %d\n", pTable->KeyTable[MAX_KEY_TABLE-1].dwGTKeyIndex, MAX_KEY_TABLE-1); | |
712 | ||
713 | } | |
714 | pTable->KeyTable[MAX_KEY_TABLE-1].wKeyCtl &= 0x7F00; // clear all key control filed | |
715 | pTable->KeyTable[MAX_KEY_TABLE-1].wKeyCtl |= (byKeyDecMode << 4); | |
716 | pTable->KeyTable[MAX_KEY_TABLE-1].wKeyCtl |= (byKeyDecMode); | |
717 | pTable->KeyTable[MAX_KEY_TABLE-1].wKeyCtl |= 0x0044; // use group key for all address | |
718 | uKeyIdx = (dwKeyIndex & 0x000000FF); | |
719 | ||
720 | if ((uKeyLength == WLAN_WEP232_KEYLEN) && | |
721 | (byKeyDecMode == KEY_CTL_WEP)) { | |
722 | pTable->KeyTable[MAX_KEY_TABLE-1].wKeyCtl |= 0x4000; // disable on-fly disable address match | |
723 | pTable->KeyTable[MAX_KEY_TABLE-1].bSoftWEP = TRUE; | |
724 | } else { | |
725 | if (pTable->KeyTable[MAX_KEY_TABLE-1].bSoftWEP == FALSE) | |
726 | pTable->KeyTable[MAX_KEY_TABLE-1].wKeyCtl |= 0xC000; // enable on-fly disable address match | |
727 | } | |
728 | ||
729 | pKey->bKeyValid = TRUE; | |
730 | pKey->uKeyLength = uKeyLength; | |
731 | pKey->dwKeyIndex = dwKeyIndex; | |
732 | pKey->byCipherSuite = byKeyDecMode; | |
3e362598 | 733 | memcpy(pKey->abyKey, pbyKey, uKeyLength); |
92b96797 FB |
734 | if (byKeyDecMode == KEY_CTL_WEP) { |
735 | if (uKeyLength == WLAN_WEP40_KEYLEN) | |
736 | pKey->abyKey[15] &= 0x7F; | |
737 | if (uKeyLength == WLAN_WEP104_KEYLEN) | |
738 | pKey->abyKey[15] |= 0x80; | |
739 | } | |
740 | ||
741 | MACvSetKeyEntry(pDevice, pTable->KeyTable[MAX_KEY_TABLE-1].wKeyCtl, MAX_KEY_TABLE-1, uKeyIdx, pTable->KeyTable[MAX_KEY_TABLE-1].abyBSSID, (PDWORD) pKey->abyKey); | |
742 | ||
743 | if ((dwKeyIndex & USE_KEYRSC) == 0) { | |
744 | // RSC set by NIC | |
3e362598 | 745 | memset(&(pKey->KeyRSC), 0, sizeof(QWORD)); |
92b96797 | 746 | } else { |
3e362598 | 747 | memcpy(&(pKey->KeyRSC), pKeyRSC, sizeof(QWORD)); |
92b96797 FB |
748 | } |
749 | pKey->dwTSC47_16 = 0; | |
750 | pKey->wTSC15_0 = 0; | |
751 | ||
752 | ||
753 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"KeybSetKey(R): \n"); | |
754 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->bKeyValid: %d\n", pKey->bKeyValid); | |
755 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->uKeyLength: %d\n", (int)pKey->uKeyLength); | |
756 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->abyKey: \n"); | |
757 | for (ii = 0; ii < pKey->uKeyLength; ii++) { | |
758 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"%x", pKey->abyKey[ii]); | |
759 | } | |
760 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\n"); | |
761 | ||
762 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwTSC47_16: %lx\n", pKey->dwTSC47_16); | |
763 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->wTSC15_0: %x\n", pKey->wTSC15_0); | |
764 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwKeyIndex: %lx\n", pKey->dwKeyIndex); | |
765 | ||
766 | return (TRUE); | |
767 | } | |
768 | ||
769 | ||
770 | /* | |
771 | * Description: Set Key to table | |
772 | * | |
773 | * Parameters: | |
774 | * In: | |
775 | * pTable - Pointer to Key table | |
776 | * dwKeyIndex - Key index (reference to NDIS DDK) | |
777 | * uKeyLength - Key length | |
778 | * KeyRSC - Key RSC | |
779 | * pbyKey - Pointer to key | |
780 | * Out: | |
781 | * none | |
782 | * | |
783 | * Return Value: TRUE if success otherwise FALSE | |
784 | * | |
785 | */ | |
786 | BOOL KeybSetAllGroupKey ( | |
787 | PVOID pDeviceHandler, | |
788 | PSKeyManagement pTable, | |
789 | DWORD dwKeyIndex, | |
790 | ULONG uKeyLength, | |
791 | PQWORD pKeyRSC, | |
792 | PBYTE pbyKey, | |
793 | BYTE byKeyDecMode | |
794 | ) | |
795 | { | |
796 | PSDevice pDevice = (PSDevice) pDeviceHandler; | |
797 | int i; | |
798 | UINT ii; | |
799 | PSKeyItem pKey; | |
800 | UINT uKeyIdx; | |
801 | ||
802 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Enter KeybSetAllGroupKey: %lX\n", dwKeyIndex); | |
803 | ||
804 | ||
805 | if ((dwKeyIndex & PAIRWISE_KEY) != 0) { // Pairwise key | |
806 | return (FALSE); | |
807 | } else if ((dwKeyIndex & 0x000000FF) >= MAX_GROUP_KEY) { | |
808 | return (FALSE); | |
809 | } | |
810 | ||
811 | for (i=0; i < MAX_KEY_TABLE-1; i++) { | |
812 | if (pTable->KeyTable[i].bInUse == TRUE) { | |
813 | // found table already exist | |
814 | // Group key | |
815 | pKey = &(pTable->KeyTable[i].GroupKey[dwKeyIndex & 0x000000FF]); | |
816 | if ((dwKeyIndex & TRANSMIT_KEY) != 0) { | |
817 | // Group transmit key | |
818 | pTable->KeyTable[i].dwGTKeyIndex = dwKeyIndex; | |
819 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Group transmit key(R)[%lX]: %d\n", pTable->KeyTable[i].dwGTKeyIndex, i); | |
820 | ||
821 | } | |
822 | pTable->KeyTable[i].wKeyCtl &= 0xFF0F; // clear group key control filed | |
823 | pTable->KeyTable[i].wKeyCtl |= (byKeyDecMode << 4); | |
824 | pTable->KeyTable[i].wKeyCtl |= 0x0040; // use group key for group address | |
825 | uKeyIdx = (dwKeyIndex & 0x000000FF); | |
826 | ||
827 | pTable->KeyTable[i].wKeyCtl |= 0x8000; // enable on-fly | |
828 | ||
829 | pKey->bKeyValid = TRUE; | |
830 | pKey->uKeyLength = uKeyLength; | |
831 | pKey->dwKeyIndex = dwKeyIndex; | |
832 | pKey->byCipherSuite = byKeyDecMode; | |
3e362598 | 833 | memcpy(pKey->abyKey, pbyKey, uKeyLength); |
92b96797 FB |
834 | if (byKeyDecMode == KEY_CTL_WEP) { |
835 | if (uKeyLength == WLAN_WEP40_KEYLEN) | |
836 | pKey->abyKey[15] &= 0x7F; | |
837 | if (uKeyLength == WLAN_WEP104_KEYLEN) | |
838 | pKey->abyKey[15] |= 0x80; | |
839 | } | |
840 | ||
841 | MACvSetKeyEntry(pDevice, pTable->KeyTable[i].wKeyCtl, i, uKeyIdx, pTable->KeyTable[i].abyBSSID, (PDWORD) pKey->abyKey); | |
842 | ||
843 | if ((dwKeyIndex & USE_KEYRSC) == 0) { | |
844 | // RSC set by NIC | |
3e362598 | 845 | memset(&(pKey->KeyRSC), 0, sizeof(QWORD)); |
92b96797 FB |
846 | } |
847 | else { | |
3e362598 | 848 | memcpy(&(pKey->KeyRSC), pKeyRSC, sizeof(QWORD)); |
92b96797 FB |
849 | } |
850 | pKey->dwTSC47_16 = 0; | |
851 | pKey->wTSC15_0 = 0; | |
852 | ||
853 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"KeybSetKey(R): \n"); | |
854 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->bKeyValid: %d\n ", pKey->bKeyValid); | |
855 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->uKeyLength: %d\n ", (int)pKey->uKeyLength); | |
856 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->abyKey: "); | |
857 | for (ii = 0; ii < pKey->uKeyLength; ii++) { | |
858 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"%02x ", pKey->abyKey[ii]); | |
859 | } | |
860 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\n"); | |
861 | ||
862 | //DBG_PRN_GRP12(("pKey->dwTSC47_16: %lX\n ", pKey->dwTSC47_16)); | |
863 | //DBG_PRN_GRP12(("pKey->wTSC15_0: %X\n ", pKey->wTSC15_0)); | |
864 | //DBG_PRN_GRP12(("pKey->dwKeyIndex: %lX\n ", pKey->dwKeyIndex)); | |
865 | ||
866 | } // (pTable->KeyTable[i].bInUse == TRUE) | |
867 | } | |
868 | return (TRUE); | |
869 | } |