9fbafdd9ad
Several sed -i '/^$/{ N /^\n$/ D }' drivers/staging/vt6656/*.[ch] Signed-off-by: Andres More <more.andres@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
236 lines
7.9 KiB
C
236 lines
7.9 KiB
C
/*
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* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*
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* File: wpa2.c
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*
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* Purpose: Handles the Basic Service Set & Node Database functions
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*
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* Functions:
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*
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* Revision History:
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*
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* Author: Yiching Chen
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*
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* Date: Oct. 4, 2004
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*
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*/
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#include "device.h"
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#include "wpa2.h"
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static int msglevel =MSG_LEVEL_INFO;
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//static int msglevel =MSG_LEVEL_DEBUG;
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const u8 abyOUIGK[4] = { 0x00, 0x0F, 0xAC, 0x00 };
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const u8 abyOUIWEP40[4] = { 0x00, 0x0F, 0xAC, 0x01 };
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const u8 abyOUIWEP104[4] = { 0x00, 0x0F, 0xAC, 0x05 };
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const u8 abyOUITKIP[4] = { 0x00, 0x0F, 0xAC, 0x02 };
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const u8 abyOUICCMP[4] = { 0x00, 0x0F, 0xAC, 0x04 };
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const u8 abyOUI8021X[4] = { 0x00, 0x0F, 0xAC, 0x01 };
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const u8 abyOUIPSK[4] = { 0x00, 0x0F, 0xAC, 0x02 };
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/*+
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*
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* Description:
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* Clear RSN information in BSSList.
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*
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* Parameters:
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* In:
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* pBSSNode - BSS list.
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* Out:
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* none
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*
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* Return Value: none.
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*
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-*/
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void
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WPA2_ClearRSN (
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PKnownBSS pBSSNode
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)
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{
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int ii;
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pBSSNode->bWPA2Valid = false;
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pBSSNode->byCSSGK = WLAN_11i_CSS_CCMP;
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for (ii=0; ii < 4; ii ++)
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pBSSNode->abyCSSPK[ii] = WLAN_11i_CSS_CCMP;
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pBSSNode->wCSSPKCount = 1;
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for (ii=0; ii < 4; ii ++)
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pBSSNode->abyAKMSSAuthType[ii] = WLAN_11i_AKMSS_802_1X;
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pBSSNode->wAKMSSAuthCount = 1;
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pBSSNode->sRSNCapObj.bRSNCapExist = false;
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pBSSNode->sRSNCapObj.wRSNCap = 0;
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}
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/*+
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*
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* Description:
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* Parse RSN IE.
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*
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* Parameters:
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* In:
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* pBSSNode - BSS list.
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* pRSN - Pointer to the RSN IE.
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* Out:
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* none
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*
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* Return Value: none.
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*
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-*/
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void
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WPA2vParseRSN (
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PKnownBSS pBSSNode,
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PWLAN_IE_RSN pRSN
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)
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{
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int i, j;
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u16 m = 0, n = 0;
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u8 * pbyOUI;
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bool bUseGK = false;
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DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"WPA2_ParseRSN: [%d]\n", pRSN->len);
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WPA2_ClearRSN(pBSSNode);
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if (pRSN->len == 2) { // ver(2)
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if ((pRSN->byElementID == WLAN_EID_RSN) && (pRSN->wVersion == 1)) {
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pBSSNode->bWPA2Valid = true;
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}
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return;
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}
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if (pRSN->len < 6) { // ver(2) + GK(4)
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// invalid CSS, P802.11i/D10.0, p31
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return;
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}
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// information element header makes sense
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if ((pRSN->byElementID == WLAN_EID_RSN) &&
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(pRSN->wVersion == 1)) {
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DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Legal 802.11i RSN\n");
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pbyOUI = &(pRSN->abyRSN[0]);
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if ( !memcmp(pbyOUI, abyOUIWEP40, 4))
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pBSSNode->byCSSGK = WLAN_11i_CSS_WEP40;
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else if ( !memcmp(pbyOUI, abyOUITKIP, 4))
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pBSSNode->byCSSGK = WLAN_11i_CSS_TKIP;
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else if ( !memcmp(pbyOUI, abyOUICCMP, 4))
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pBSSNode->byCSSGK = WLAN_11i_CSS_CCMP;
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else if ( !memcmp(pbyOUI, abyOUIWEP104, 4))
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pBSSNode->byCSSGK = WLAN_11i_CSS_WEP104;
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else if ( !memcmp(pbyOUI, abyOUIGK, 4)) {
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// invalid CSS, P802.11i/D10.0, p32
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return;
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} else
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// any vendor checks here
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pBSSNode->byCSSGK = WLAN_11i_CSS_UNKNOWN;
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DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"802.11i CSS: %X\n", pBSSNode->byCSSGK);
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if (pRSN->len == 6) {
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pBSSNode->bWPA2Valid = true;
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return;
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}
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if (pRSN->len >= 8) { // ver(2) + GK(4) + PK count(2)
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pBSSNode->wCSSPKCount = *((u16 *) &(pRSN->abyRSN[4]));
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j = 0;
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pbyOUI = &(pRSN->abyRSN[6]);
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for (i = 0; (i < pBSSNode->wCSSPKCount) && (j < sizeof(pBSSNode->abyCSSPK)/sizeof(u8)); i++) {
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if (pRSN->len >= 8+i*4+4) { // ver(2)+GK(4)+PKCnt(2)+PKS(4*i)
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if ( !memcmp(pbyOUI, abyOUIGK, 4)) {
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pBSSNode->abyCSSPK[j++] = WLAN_11i_CSS_USE_GROUP;
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bUseGK = true;
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} else if ( !memcmp(pbyOUI, abyOUIWEP40, 4)) {
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// Invalid CSS, continue parsing
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} else if ( !memcmp(pbyOUI, abyOUITKIP, 4)) {
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if (pBSSNode->byCSSGK != WLAN_11i_CSS_CCMP)
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pBSSNode->abyCSSPK[j++] = WLAN_11i_CSS_TKIP;
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else
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; // Invalid CSS, continue parsing
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} else if ( !memcmp(pbyOUI, abyOUICCMP, 4)) {
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pBSSNode->abyCSSPK[j++] = WLAN_11i_CSS_CCMP;
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} else if ( !memcmp(pbyOUI, abyOUIWEP104, 4)) {
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// Invalid CSS, continue parsing
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} else {
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// any vendor checks here
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pBSSNode->abyCSSPK[j++] = WLAN_11i_CSS_UNKNOWN;
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}
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pbyOUI += 4;
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DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"abyCSSPK[%d]: %X\n", j-1, pBSSNode->abyCSSPK[j-1]);
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} else
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break;
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} //for
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if (bUseGK == true) {
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if (j != 1) {
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// invalid CSS, This should be only PK CSS.
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return;
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}
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if (pBSSNode->byCSSGK == WLAN_11i_CSS_CCMP) {
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// invalid CSS, If CCMP is enable , PK can't be CSSGK.
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return;
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}
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}
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if ((pBSSNode->wCSSPKCount != 0) && (j == 0)) {
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// invalid CSS, No valid PK.
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return;
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}
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pBSSNode->wCSSPKCount = (u16)j;
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DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"wCSSPKCount: %d\n", pBSSNode->wCSSPKCount);
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}
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m = *((u16 *) &(pRSN->abyRSN[4]));
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if (pRSN->len >= 10+m*4) { // ver(2) + GK(4) + PK count(2) + PKS(4*m) + AKMSS count(2)
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pBSSNode->wAKMSSAuthCount = *((u16 *) &(pRSN->abyRSN[6+4*m]));
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j = 0;
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pbyOUI = &(pRSN->abyRSN[8+4*m]);
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for (i = 0; (i < pBSSNode->wAKMSSAuthCount) && (j < sizeof(pBSSNode->abyAKMSSAuthType)/sizeof(u8)); i++) {
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if (pRSN->len >= 10+(m+i)*4+4) { // ver(2)+GK(4)+PKCnt(2)+PKS(4*m)+AKMSS(2)+AKS(4*i)
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if ( !memcmp(pbyOUI, abyOUI8021X, 4))
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pBSSNode->abyAKMSSAuthType[j++] = WLAN_11i_AKMSS_802_1X;
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else if ( !memcmp(pbyOUI, abyOUIPSK, 4))
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pBSSNode->abyAKMSSAuthType[j++] = WLAN_11i_AKMSS_PSK;
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else
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// any vendor checks here
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pBSSNode->abyAKMSSAuthType[j++] = WLAN_11i_AKMSS_UNKNOWN;
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DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"abyAKMSSAuthType[%d]: %X\n", j-1, pBSSNode->abyAKMSSAuthType[j-1]);
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} else
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break;
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}
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pBSSNode->wAKMSSAuthCount = (u16)j;
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DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"wAKMSSAuthCount: %d\n", pBSSNode->wAKMSSAuthCount);
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n = *((u16 *) &(pRSN->abyRSN[6+4*m]));
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if (pRSN->len >= 12+4*m+4*n) { // ver(2)+GK(4)+PKCnt(2)+PKS(4*m)+AKMSSCnt(2)+AKMSS(4*n)+Cap(2)
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pBSSNode->sRSNCapObj.bRSNCapExist = true;
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pBSSNode->sRSNCapObj.wRSNCap = *((u16 *) &(pRSN->abyRSN[8+4*m+4*n]));
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}
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}
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//ignore PMKID lists bcs only (Re)Assocrequest has this field
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pBSSNode->bWPA2Valid = true;
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}
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}
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