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author | Forest Bond <forest@alittletooquiet.net> | 2009-04-25 10:30:44 -0400 |
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committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-06-19 11:00:51 -0700 |
commit | 5449c685a4b39534f18869a93896370224463715 (patch) | |
tree | dfe5ddb2fef11dc59ccb9720c086583b7d62c6a8 /drivers/staging/vt6655/wpa.c | |
parent | be2e10710b1c330d25e66724ef10b8aabdae4a83 (diff) | |
download | op-kernel-dev-5449c685a4b39534f18869a93896370224463715.zip op-kernel-dev-5449c685a4b39534f18869a93896370224463715.tar.gz |
Staging: Add pristine upstream vt6655 driver sources
Add pristine upstream vt6655 driver sources to drivers/staging/vt6655. These
files were literally copied from the driver directory in the upstream source
archive, available here:
http://www.viaarena.com/Driver/vt6655_linux_src_v1.19.12_x86.zip
Signed-off-by: Forest Bond <forest@alittletooquiet.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/vt6655/wpa.c')
-rw-r--r-- | drivers/staging/vt6655/wpa.c | 339 |
1 files changed, 339 insertions, 0 deletions
diff --git a/drivers/staging/vt6655/wpa.c b/drivers/staging/vt6655/wpa.c new file mode 100644 index 0000000..8b4e7fc --- /dev/null +++ b/drivers/staging/vt6655/wpa.c @@ -0,0 +1,339 @@ +/* + * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * + * File: wpa.c + * + * Purpose: Handles the Basic Service Set & Node Database functions + * + * Functions: + * WPA_ParseRSN - Parse RSN IE. + * + * Revision History: + * + * Author: Kyle Hsu + * + * Date: July 14, 2003 + * + */ + + +#if !defined(__TTYPE_H__) +#include "ttype.h" +#endif +#if !defined(__UMEM_H__) +#include "umem.h" +#endif +#if !defined(__TMACRO_H__) +#include "tmacro.h" +#endif +#if !defined(__TETHER_H__) +#include "tether.h" +#endif +#if !defined(__DEVICE_H__) +#include "device.h" +#endif +#if !defined(__80211HDR_H__) +#include "80211hdr.h" +#endif +#if !defined(__BSSDB_H__) +#include "bssdb.h" +#endif +#if !defined(__WMGR_H__) +#include "wmgr.h" +#endif +#if !defined(__WPA_H__) +#include "wpa.h" +#endif +#if !defined(__80211MGR_H__) +#include "80211mgr.h" +#endif + + +/*--------------------- Static Variables --------------------------*/ +static int msglevel =MSG_LEVEL_INFO; + +const BYTE abyOUI00[4] = { 0x00, 0x50, 0xf2, 0x00 }; +const BYTE abyOUI01[4] = { 0x00, 0x50, 0xf2, 0x01 }; +const BYTE abyOUI02[4] = { 0x00, 0x50, 0xf2, 0x02 }; +const BYTE abyOUI03[4] = { 0x00, 0x50, 0xf2, 0x03 }; +const BYTE abyOUI04[4] = { 0x00, 0x50, 0xf2, 0x04 }; +const BYTE abyOUI05[4] = { 0x00, 0x50, 0xf2, 0x05 }; + + +/*+ + * + * Description: + * Clear RSN information in BSSList. + * + * Parameters: + * In: + * pBSSList - BSS list. + * Out: + * none + * + * Return Value: none. + * +-*/ + +VOID +WPA_ClearRSN ( + IN PKnownBSS pBSSList + ) +{ + int ii; + pBSSList->byGKType = WPA_TKIP; + for (ii=0; ii < 4; ii ++) + pBSSList->abyPKType[ii] = WPA_TKIP; + pBSSList->wPKCount = 0; + for (ii=0; ii < 4; ii ++) + pBSSList->abyAuthType[ii] = WPA_AUTH_IEEE802_1X; + pBSSList->wAuthCount = 0; + pBSSList->byDefaultK_as_PK = 0; + pBSSList->byReplayIdx = 0; + pBSSList->sRSNCapObj.bRSNCapExist = FALSE; + pBSSList->sRSNCapObj.wRSNCap = 0; + pBSSList->bWPAValid = FALSE; +} + + +/*+ + * + * Description: + * Parse RSN IE. + * + * Parameters: + * In: + * pBSSList - BSS list. + * pRSN - Pointer to the RSN IE. + * Out: + * none + * + * Return Value: none. + * +-*/ +VOID +WPA_ParseRSN ( + IN PKnownBSS pBSSList, + IN PWLAN_IE_RSN_EXT pRSN + ) +{ + PWLAN_IE_RSN_AUTH pIE_RSN_Auth = NULL; + int i, j, m, n = 0; + PBYTE pbyCaps; + + WPA_ClearRSN(pBSSList); + + DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"WPA_ParseRSN: [%d]\n", pRSN->len); + + // information element header makes sense + if ((pRSN->len >= 6) // oui1(4)+ver(2) + && (pRSN->byElementID == WLAN_EID_RSN_WPA) && MEMEqualMemory(pRSN->abyOUI, abyOUI01, 4) + && (pRSN->wVersion == 1)) { + + DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Legal RSN\n"); + // update each variable if pRSN is long enough to contain the variable + if (pRSN->len >= 10) //oui1(4)+ver(2)+GKSuite(4) + { + if (MEMEqualMemory(pRSN->abyMulticast, abyOUI01, 4)) + pBSSList->byGKType = WPA_WEP40; + else if (MEMEqualMemory(pRSN->abyMulticast, abyOUI02, 4)) + pBSSList->byGKType = WPA_TKIP; + else if (MEMEqualMemory(pRSN->abyMulticast, abyOUI03, 4)) + pBSSList->byGKType = WPA_AESWRAP; + else if (MEMEqualMemory(pRSN->abyMulticast, abyOUI04, 4)) + pBSSList->byGKType = WPA_AESCCMP; + else if (MEMEqualMemory(pRSN->abyMulticast, abyOUI05, 4)) + pBSSList->byGKType = WPA_WEP104; + else + // any vendor checks here + pBSSList->byGKType = WPA_NONE; + + DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"byGKType: %x\n", pBSSList->byGKType); + } + + if (pRSN->len >= 12) //oui1(4)+ver(2)+GKS(4)+PKSCnt(2) + { + j = 0; + DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"wPKCount: %d, sizeof(pBSSList->abyPKType): %d\n", pRSN->wPKCount, sizeof(pBSSList->abyPKType)); + for(i = 0; (i < pRSN->wPKCount) && (j < sizeof(pBSSList->abyPKType)/sizeof(BYTE)); i++) { + if(pRSN->len >= 12+i*4+4) { //oui1(4)+ver(2)+GKS(4)+PKSCnt(2)+PKS(4*i) + if (MEMEqualMemory(pRSN->PKSList[i].abyOUI, abyOUI00, 4)) + pBSSList->abyPKType[j++] = WPA_NONE; + else if (MEMEqualMemory(pRSN->PKSList[i].abyOUI, abyOUI02, 4)) + pBSSList->abyPKType[j++] = WPA_TKIP; + else if (MEMEqualMemory(pRSN->PKSList[i].abyOUI, abyOUI03, 4)) + pBSSList->abyPKType[j++] = WPA_AESWRAP; + else if (MEMEqualMemory(pRSN->PKSList[i].abyOUI, abyOUI04, 4)) + pBSSList->abyPKType[j++] = WPA_AESCCMP; + else + // any vendor checks here + ; + } + else + break; + //DBG_PRN_GRP14(("abyPKType[%d]: %X\n", j-1, pBSSList->abyPKType[j-1])); + } //for + pBSSList->wPKCount = (WORD)j; + DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"wPKCount: %d\n", pBSSList->wPKCount); + } + + m = pRSN->wPKCount; + DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"m: %d\n", m); + DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"14+m*4: %d\n", 14+m*4); + + if (pRSN->len >= 14+m*4) { //oui1(4)+ver(2)+GKS(4)+PKSCnt(2)+PKS(4*m)+AKC(2) + // overlay IE_RSN_Auth structure into correct place + pIE_RSN_Auth = (PWLAN_IE_RSN_AUTH) pRSN->PKSList[m].abyOUI; + j = 0; + DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"wAuthCount: %d, sizeof(pBSSList->abyAuthType): %d\n", + pIE_RSN_Auth->wAuthCount, sizeof(pBSSList->abyAuthType)); + for(i = 0; (i < pIE_RSN_Auth->wAuthCount) && (j < sizeof(pBSSList->abyAuthType)/sizeof(BYTE)); i++) { + if(pRSN->len >= 14+4+(m+i)*4) { //oui1(4)+ver(2)+GKS(4)+PKSCnt(2)+PKS(4*m)+AKC(2)+AKS(4*i) + if (MEMEqualMemory(pIE_RSN_Auth->AuthKSList[i].abyOUI, abyOUI01, 4)) + pBSSList->abyAuthType[j++] = WPA_AUTH_IEEE802_1X; + else if (MEMEqualMemory(pIE_RSN_Auth->AuthKSList[i].abyOUI, abyOUI02, 4)) + pBSSList->abyAuthType[j++] = WPA_AUTH_PSK; + else + // any vendor checks here + ; + } + else + break; + //DBG_PRN_GRP14(("abyAuthType[%d]: %X\n", j-1, pBSSList->abyAuthType[j-1])); + } + if(j > 0) + pBSSList->wAuthCount = (WORD)j; + DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"wAuthCount: %d\n", pBSSList->wAuthCount); + } + + if (pIE_RSN_Auth != NULL) { + + n = pIE_RSN_Auth->wAuthCount; + + DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"n: %d\n", n); + DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"14+4+(m+n)*4: %d\n", 14+4+(m+n)*4); + + if(pRSN->len+2 >= 14+4+(m+n)*4) { //oui1(4)+ver(2)+GKS(4)+PKSCnt(2)+PKS(4*m)+AKC(2)+AKS(4*n)+Cap(2) + pbyCaps = (PBYTE)pIE_RSN_Auth->AuthKSList[n].abyOUI; + pBSSList->byDefaultK_as_PK = (*pbyCaps) & WPA_GROUPFLAG; + pBSSList->byReplayIdx = 2 << ((*pbyCaps >> WPA_REPLAYBITSSHIFT) & WPA_REPLAYBITS); + pBSSList->sRSNCapObj.bRSNCapExist = TRUE; + pBSSList->sRSNCapObj.wRSNCap = *(PWORD)pbyCaps; + //DBG_PRN_GRP14(("pbyCaps: %X\n", *pbyCaps)); + //DBG_PRN_GRP14(("byDefaultK_as_PK: %X\n", pBSSList->byDefaultK_as_PK)); + //DBG_PRN_GRP14(("byReplayIdx: %X\n", pBSSList->byReplayIdx)); + } + } + pBSSList->bWPAValid = TRUE; + } +} + +/*+ + * + * Description: + * Search RSN information in BSSList. + * + * Parameters: + * In: + * byCmd - Search type + * byEncrypt- Encrcypt Type + * pBSSList - BSS list + * Out: + * none + * + * Return Value: none. + * +-*/ +BOOL +WPA_SearchRSN ( + BYTE byCmd, + BYTE byEncrypt, + IN PKnownBSS pBSSList + ) +{ + int ii; + BYTE byPKType = WPA_NONE; + + if (pBSSList->bWPAValid == FALSE) + return FALSE; + + switch(byCmd) { + case 0: + + if (byEncrypt != pBSSList->byGKType) + return FALSE; + + if (pBSSList->wPKCount > 0) { + for (ii = 0; ii < pBSSList->wPKCount; ii ++) { + if (pBSSList->abyPKType[ii] == WPA_AESCCMP) + byPKType = WPA_AESCCMP; + else if ((pBSSList->abyPKType[ii] == WPA_TKIP) && (byPKType != WPA_AESCCMP)) + byPKType = WPA_TKIP; + else if ((pBSSList->abyPKType[ii] == WPA_WEP40) && (byPKType != WPA_AESCCMP) && (byPKType != WPA_TKIP)) + byPKType = WPA_WEP40; + else if ((pBSSList->abyPKType[ii] == WPA_WEP104) && (byPKType != WPA_AESCCMP) && (byPKType != WPA_TKIP)) + byPKType = WPA_WEP104; + } + if (byEncrypt != byPKType) + return FALSE; + } + return TRUE; +// if (pBSSList->wAuthCount > 0) +// for (ii=0; ii < pBSSList->wAuthCount; ii ++) +// if (byAuth == pBSSList->abyAuthType[ii]) +// break; + break; + + default: + break; + } + return FALSE; +} + +/*+ + * + * Description: + * Check if RSN IE makes sense. + * + * Parameters: + * In: + * pRSN - Pointer to the RSN IE. + * Out: + * none + * + * Return Value: none. + * +-*/ +BOOL +WPAb_Is_RSN ( + IN PWLAN_IE_RSN_EXT pRSN + ) +{ + if (pRSN == NULL) + return FALSE; + + if ((pRSN->len >= 6) && // oui1(4)+ver(2) + (pRSN->byElementID == WLAN_EID_RSN_WPA) && MEMEqualMemory(pRSN->abyOUI, abyOUI01, 4) && + (pRSN->wVersion == 1)) { + return TRUE; + } + else + return FALSE; +} + |