diff options
Diffstat (limited to 'drivers/staging/vt6655/wpa.c')
-rw-r--r-- | drivers/staging/vt6655/wpa.c | 300 |
1 files changed, 0 insertions, 300 deletions
diff --git a/drivers/staging/vt6655/wpa.c b/drivers/staging/vt6655/wpa.c deleted file mode 100644 index 5d4eca8512af..000000000000 --- a/drivers/staging/vt6655/wpa.c +++ /dev/null @@ -1,300 +0,0 @@ -/* - * 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 - * - */ - -#include "ttype.h" -#include "tmacro.h" -#include "tether.h" -#include "device.h" -#include "80211hdr.h" -#include "bssdb.h" -#include "wmgr.h" -#include "wpa.h" -#include "80211mgr.h" - -/*--------------------- Static Variables --------------------------*/ -static const unsigned char abyOUI00[4] = { 0x00, 0x50, 0xf2, 0x00 }; -static const unsigned char abyOUI01[4] = { 0x00, 0x50, 0xf2, 0x01 }; -static const unsigned char abyOUI02[4] = { 0x00, 0x50, 0xf2, 0x02 }; -static const unsigned char abyOUI03[4] = { 0x00, 0x50, 0xf2, 0x03 }; -static const unsigned char abyOUI04[4] = { 0x00, 0x50, 0xf2, 0x04 }; -static const unsigned char 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( - 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( - PKnownBSS pBSSList, - PWLAN_IE_RSN_EXT pRSN -) -{ - PWLAN_IE_RSN_AUTH pIE_RSN_Auth = NULL; - int i, j, m, n = 0; - unsigned char *pbyCaps; - - WPA_ClearRSN(pBSSList); - - pr_debug("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) && !memcmp(pRSN->abyOUI, abyOUI01, 4) - && (pRSN->wVersion == 1)) { - pr_debug("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 (!memcmp(pRSN->abyMulticast, abyOUI01, 4)) - pBSSList->byGKType = WPA_WEP40; - else if (!memcmp(pRSN->abyMulticast, abyOUI02, 4)) - pBSSList->byGKType = WPA_TKIP; - else if (!memcmp(pRSN->abyMulticast, abyOUI03, 4)) - pBSSList->byGKType = WPA_AESWRAP; - else if (!memcmp(pRSN->abyMulticast, abyOUI04, 4)) - pBSSList->byGKType = WPA_AESCCMP; - else if (!memcmp(pRSN->abyMulticast, abyOUI05, 4)) - pBSSList->byGKType = WPA_WEP104; - else - // any vendor checks here - pBSSList->byGKType = WPA_NONE; - - pr_debug("byGKType: %x\n", pBSSList->byGKType); - } - - if (pRSN->len >= 12) { - //oui1(4)+ver(2)+GKS(4)+PKSCnt(2) - j = 0; - pr_debug("wPKCount: %d, sizeof(pBSSList->abyPKType): %zu\n", - pRSN->wPKCount, sizeof(pBSSList->abyPKType)); - for (i = 0; (i < pRSN->wPKCount) && (j < ARRAY_SIZE(pBSSList->abyPKType)); i++) { - if (pRSN->len >= 12+i*4+4) { //oui1(4)+ver(2)+GKS(4)+PKSCnt(2)+PKS(4*i) - if (!memcmp(pRSN->PKSList[i].abyOUI, abyOUI00, 4)) - pBSSList->abyPKType[j++] = WPA_NONE; - else if (!memcmp(pRSN->PKSList[i].abyOUI, abyOUI02, 4)) - pBSSList->abyPKType[j++] = WPA_TKIP; - else if (!memcmp(pRSN->PKSList[i].abyOUI, abyOUI03, 4)) - pBSSList->abyPKType[j++] = WPA_AESWRAP; - else if (!memcmp(pRSN->PKSList[i].abyOUI, abyOUI04, 4)) - pBSSList->abyPKType[j++] = WPA_AESCCMP; - else - // any vendor checks here - ; - } else - break; - } - pBSSList->wPKCount = (unsigned short)j; - pr_debug("wPKCount: %d\n", pBSSList->wPKCount); - } - - m = pRSN->wPKCount; - pr_debug("m: %d\n", m); - pr_debug("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; - pr_debug("wAuthCount: %d, sizeof(pBSSList->abyAuthType): %zu\n", - pIE_RSN_Auth->wAuthCount, - sizeof(pBSSList->abyAuthType)); - for (i = 0; (i < pIE_RSN_Auth->wAuthCount) && (j < ARRAY_SIZE(pBSSList->abyAuthType)); 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 (!memcmp(pIE_RSN_Auth->AuthKSList[i].abyOUI, abyOUI01, 4)) - pBSSList->abyAuthType[j++] = WPA_AUTH_IEEE802_1X; - else if (!memcmp(pIE_RSN_Auth->AuthKSList[i].abyOUI, abyOUI02, 4)) - pBSSList->abyAuthType[j++] = WPA_AUTH_PSK; - else - // any vendor checks here - ; - } else - break; - - } - if (j > 0) - pBSSList->wAuthCount = (unsigned short)j; - pr_debug("wAuthCount: %d\n", pBSSList->wAuthCount); - } - - if (pIE_RSN_Auth != NULL) { - n = pIE_RSN_Auth->wAuthCount; - - pr_debug("n: %d\n", n); - pr_debug("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 = (unsigned char *)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 = *(unsigned short *)pbyCaps; - } - } - pBSSList->bWPAValid = true; - } -} - -/*+ - * - * Description: - * Search RSN information in BSSList. - * - * Parameters: - * In: - * byCmd - Search type - * byEncrypt- Encrypt Type - * pBSSList - BSS list - * Out: - * none - * - * Return Value: none. - * - -*/ -bool -WPA_SearchRSN( - unsigned char byCmd, - unsigned char byEncrypt, - PKnownBSS pBSSList -) -{ - int ii; - unsigned char byPKType = WPA_NONE; - - if (!pBSSList->bWPAValid) - 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; - - 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( - PWLAN_IE_RSN_EXT pRSN -) -{ - if (pRSN == NULL) - return false; - - if ((pRSN->len >= 6) && // oui1(4)+ver(2) - (pRSN->byElementID == WLAN_EID_RSN_WPA) && !memcmp(pRSN->abyOUI, abyOUI01, 4) && - (pRSN->wVersion == 1)) { - return true; - } else - return false; -} |