[deliverable/linux.git] / drivers / staging / vt6655 / wpa2.c

/*
 * 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: wpa2.c
 *
 * Purpose: Handles the Basic Service Set & Node Database functions
 *
 * Functions:
 *
 * Revision History:
 *
 * Author: Yiching Chen
 *
 * Date: Oct. 4, 2004
 *
 */

#include "wpa2.h"
#include "device.h"
#include "wmgr.h"

/*---------------------  Static Definitions -------------------------*/
static int          msglevel                =MSG_LEVEL_INFO;
//static int          msglevel                =MSG_LEVEL_DEBUG;
/*---------------------  Static Classes  ----------------------------*/

/*---------------------  Static Variables  --------------------------*/

const unsigned char abyOUIGK[4]      = { 0x00, 0x0F, 0xAC, 0x00 };
const unsigned char abyOUIWEP40[4]   = { 0x00, 0x0F, 0xAC, 0x01 };
const unsigned char abyOUIWEP104[4]  = { 0x00, 0x0F, 0xAC, 0x05 };
const unsigned char abyOUITKIP[4]    = { 0x00, 0x0F, 0xAC, 0x02 };
const unsigned char abyOUICCMP[4]    = { 0x00, 0x0F, 0xAC, 0x04 };

const unsigned char abyOUI8021X[4]   = { 0x00, 0x0F, 0xAC, 0x01 };
const unsigned char abyOUIPSK[4]     = { 0x00, 0x0F, 0xAC, 0x02 };


/*---------------------  Static Functions  --------------------------*/

/*---------------------  Export Variables  --------------------------*/

/*---------------------  Export Functions  --------------------------*/

/*+
 *
 * Description:
 *    Clear RSN information in BSSList.
 *
 * Parameters:
 *  In:
 *      pBSSNode - BSS list.
 *  Out:
 *      none
 *
 * Return Value: none.
 *
-*/
void
WPA2_ClearRSN (
    PKnownBSS        pBSSNode
    )
{
    int ii;

    pBSSNode->bWPA2Valid = false;

    pBSSNode->byCSSGK = WLAN_11i_CSS_CCMP;
    for (ii=0; ii < 4; ii ++)
        pBSSNode->abyCSSPK[ii] = WLAN_11i_CSS_CCMP;
    pBSSNode->wCSSPKCount = 1;
    for (ii=0; ii < 4; ii ++)
        pBSSNode->abyAKMSSAuthType[ii] = WLAN_11i_AKMSS_802_1X;
    pBSSNode->wAKMSSAuthCount = 1;
    pBSSNode->sRSNCapObj.bRSNCapExist = false;
    pBSSNode->sRSNCapObj.wRSNCap = 0;
}

/*+
 *
 * Description:
 *    Parse RSN IE.
 *
 * Parameters:
 *  In:
 *      pBSSNode - BSS list.
 *      pRSN - Pointer to the RSN IE.
 *  Out:
 *      none
 *
 * Return Value: none.
 *
-*/
void
WPA2vParseRSN (
    PKnownBSS        pBSSNode,
    PWLAN_IE_RSN     pRSN
    )
{
    int                 i, j;
    unsigned short m = 0, n = 0;
    unsigned char *pbyOUI;
    bool bUseGK = false;

    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"WPA2_ParseRSN: [%d]\n", pRSN->len);

    WPA2_ClearRSN(pBSSNode);

    if (pRSN->len == 2) { // ver(2)
        if ((pRSN->byElementID == WLAN_EID_RSN) && (pRSN->wVersion == 1)) {
            pBSSNode->bWPA2Valid = true;
        }
        return;
    }

    if (pRSN->len < 6) { // ver(2) + GK(4)
        // invalid CSS, P802.11i/D10.0, p31
        return;
    }

    // information element header makes sense
    if ((pRSN->byElementID == WLAN_EID_RSN) &&
        (pRSN->wVersion == 1)) {

        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Legal 802.11i RSN\n");

        pbyOUI = &(pRSN->abyRSN[0]);
        if ( !memcmp(pbyOUI, abyOUIWEP40, 4))
            pBSSNode->byCSSGK = WLAN_11i_CSS_WEP40;
        else if ( !memcmp(pbyOUI, abyOUITKIP, 4))
            pBSSNode->byCSSGK = WLAN_11i_CSS_TKIP;
        else if ( !memcmp(pbyOUI, abyOUICCMP, 4))
            pBSSNode->byCSSGK = WLAN_11i_CSS_CCMP;
        else if ( !memcmp(pbyOUI, abyOUIWEP104, 4))
            pBSSNode->byCSSGK = WLAN_11i_CSS_WEP104;
        else if ( !memcmp(pbyOUI, abyOUIGK, 4)) {
            // invalid CSS, P802.11i/D10.0, p32
            return;
        } else
            // any vendor checks here
            pBSSNode->byCSSGK = WLAN_11i_CSS_UNKNOWN;

        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"802.11i CSS: %X\n", pBSSNode->byCSSGK);

        if (pRSN->len == 6) {
            pBSSNode->bWPA2Valid = true;
            return;
        }

        if (pRSN->len >= 8) { // ver(2) + GK(4) + PK count(2)
            pBSSNode->wCSSPKCount = *((unsigned short *) &(pRSN->abyRSN[4]));
            j = 0;
            pbyOUI = &(pRSN->abyRSN[6]);

            for (i = 0; (i < pBSSNode->wCSSPKCount) && (j < sizeof(pBSSNode->abyCSSPK)/sizeof(unsigned char)); i++) {

                if (pRSN->len >= 8+i*4+4) { // ver(2)+GK(4)+PKCnt(2)+PKS(4*i)
                    if ( !memcmp(pbyOUI, abyOUIGK, 4)) {
                        pBSSNode->abyCSSPK[j++] = WLAN_11i_CSS_USE_GROUP;
                        bUseGK = true;
                    } else if ( !memcmp(pbyOUI, abyOUIWEP40, 4)) {
                        // Invialid CSS, continue to parsing
                    } else if ( !memcmp(pbyOUI, abyOUITKIP, 4)) {
                        if (pBSSNode->byCSSGK != WLAN_11i_CSS_CCMP)
                            pBSSNode->abyCSSPK[j++] = WLAN_11i_CSS_TKIP;
                        else
                            ; // Invialid CSS, continue to parsing
                    } else if ( !memcmp(pbyOUI, abyOUICCMP, 4)) {
                        pBSSNode->abyCSSPK[j++] = WLAN_11i_CSS_CCMP;
                    } else if ( !memcmp(pbyOUI, abyOUIWEP104, 4)) {
                        // Invialid CSS, continue to parsing
                    } else {
                        // any vendor checks here
                        pBSSNode->abyCSSPK[j++] = WLAN_11i_CSS_UNKNOWN;
                    }
                    pbyOUI += 4;
                    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"abyCSSPK[%d]: %X\n", j-1, pBSSNode->abyCSSPK[j-1]);
                } else
                    break;
            } //for

            if (bUseGK == true) {
                if (j != 1) {
                    // invalid CSS, This should be only PK CSS.
                    return;
                }
                if (pBSSNode->byCSSGK == WLAN_11i_CSS_CCMP) {
                    // invalid CSS, If CCMP is enable , PK can't be CSSGK.
                    return;
                }
            }
            if ((pBSSNode->wCSSPKCount != 0) && (j == 0)) {
                // invalid CSS, No valid PK.
                return;
            }
            pBSSNode->wCSSPKCount = (unsigned short)j;
            DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"wCSSPKCount: %d\n", pBSSNode->wCSSPKCount);
        }

        m = *((unsigned short *) &(pRSN->abyRSN[4]));

        if (pRSN->len >= 10+m*4) { // ver(2) + GK(4) + PK count(2) + PKS(4*m) + AKMSS count(2)
            pBSSNode->wAKMSSAuthCount = *((unsigned short *) &(pRSN->abyRSN[6+4*m]));
            j = 0;
            pbyOUI = &(pRSN->abyRSN[8+4*m]);
            for (i = 0; (i < pBSSNode->wAKMSSAuthCount) && (j < sizeof(pBSSNode->abyAKMSSAuthType)/sizeof(unsigned char)); i++) {
                if (pRSN->len >= 10+(m+i)*4+4) { // ver(2)+GK(4)+PKCnt(2)+PKS(4*m)+AKMSS(2)+AKS(4*i)
                    if ( !memcmp(pbyOUI, abyOUI8021X, 4))
                        pBSSNode->abyAKMSSAuthType[j++] = WLAN_11i_AKMSS_802_1X;
                    else if ( !memcmp(pbyOUI, abyOUIPSK, 4))
                        pBSSNode->abyAKMSSAuthType[j++] = WLAN_11i_AKMSS_PSK;
                    else
                        // any vendor checks here
                        pBSSNode->abyAKMSSAuthType[j++] = WLAN_11i_AKMSS_UNKNOWN;
                    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"abyAKMSSAuthType[%d]: %X\n", j-1, pBSSNode->abyAKMSSAuthType[j-1]);
                } else
                    break;
            }
            pBSSNode->wAKMSSAuthCount = (unsigned short)j;
            DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"wAKMSSAuthCount: %d\n", pBSSNode->wAKMSSAuthCount);

            n = *((unsigned short *) &(pRSN->abyRSN[6+4*m]));
            if (pRSN->len >= 12+4*m+4*n) { // ver(2)+GK(4)+PKCnt(2)+PKS(4*m)+AKMSSCnt(2)+AKMSS(4*n)+Cap(2)
                pBSSNode->sRSNCapObj.bRSNCapExist = true;
                pBSSNode->sRSNCapObj.wRSNCap = *((unsigned short *) &(pRSN->abyRSN[8+4*m+4*n]));
            }
        }
        //ignore PMKID lists bcs only (Re)Assocrequest has this field
        pBSSNode->bWPA2Valid = true;
    }
}


/*+
 *
 * Description:
 *    Set WPA IEs
 *
 * Parameters:
 *  In:
 *      pMgmtHandle - Pointer to management object
 *  Out:
 *      pRSNIEs     - Pointer to the RSN IE to set.
 *
 * Return Value: length of IEs.
 *
-*/
unsigned int
WPA2uSetIEs(
    void *pMgmtHandle,
    PWLAN_IE_RSN pRSNIEs
    )
{
    PSMgmtObject    pMgmt = (PSMgmtObject) pMgmtHandle;
    unsigned char *pbyBuffer = NULL;
    unsigned int ii = 0;
    unsigned short *pwPMKID = NULL;

    if (pRSNIEs == NULL) {
        return(0);
    }
    if (((pMgmt->eAuthenMode == WMAC_AUTH_WPA2) ||
         (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) &&
        (pMgmt->pCurrBSS != NULL)) {
        /* WPA2 IE */
        pbyBuffer = (unsigned char *) pRSNIEs;
        pRSNIEs->byElementID = WLAN_EID_RSN;
        pRSNIEs->len = 6; //Version(2)+GK(4)
        pRSNIEs->wVersion = 1;
        //Group Key Cipher Suite
        pRSNIEs->abyRSN[0] = 0x00;
        pRSNIEs->abyRSN[1] = 0x0F;
        pRSNIEs->abyRSN[2] = 0xAC;
        if (pMgmt->byCSSGK == KEY_CTL_WEP) {
            pRSNIEs->abyRSN[3] = pMgmt->pCurrBSS->byCSSGK;
        } else if (pMgmt->byCSSGK == KEY_CTL_TKIP) {
            pRSNIEs->abyRSN[3] = WLAN_11i_CSS_TKIP;
        } else if (pMgmt->byCSSGK == KEY_CTL_CCMP) {
            pRSNIEs->abyRSN[3] = WLAN_11i_CSS_CCMP;
        } else {
            pRSNIEs->abyRSN[3] = WLAN_11i_CSS_UNKNOWN;
        }

        // Pairwise Key Cipher Suite
        pRSNIEs->abyRSN[4] = 1;
        pRSNIEs->abyRSN[5] = 0;
        pRSNIEs->abyRSN[6] = 0x00;
        pRSNIEs->abyRSN[7] = 0x0F;
        pRSNIEs->abyRSN[8] = 0xAC;
        if (pMgmt->byCSSPK == KEY_CTL_TKIP) {
            pRSNIEs->abyRSN[9] = WLAN_11i_CSS_TKIP;
        } else if (pMgmt->byCSSPK == KEY_CTL_CCMP) {
            pRSNIEs->abyRSN[9] = WLAN_11i_CSS_CCMP;
        } else if (pMgmt->byCSSPK == KEY_CTL_NONE) {
            pRSNIEs->abyRSN[9] = WLAN_11i_CSS_USE_GROUP;
        } else {
            pRSNIEs->abyRSN[9] = WLAN_11i_CSS_UNKNOWN;
        }
        pRSNIEs->len += 6;

        // Auth Key Management Suite
        pRSNIEs->abyRSN[10] = 1;
        pRSNIEs->abyRSN[11] = 0;
        pRSNIEs->abyRSN[12] = 0x00;
        pRSNIEs->abyRSN[13] = 0x0F;
        pRSNIEs->abyRSN[14] = 0xAC;
        if (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK) {
            pRSNIEs->abyRSN[15] = WLAN_11i_AKMSS_PSK;
        } else if (pMgmt->eAuthenMode == WMAC_AUTH_WPA2) {
            pRSNIEs->abyRSN[15] = WLAN_11i_AKMSS_802_1X;
        } else {
            pRSNIEs->abyRSN[15] = WLAN_11i_AKMSS_UNKNOWN;
        }
        pRSNIEs->len +=6;

        // RSN Capabilites
        if (pMgmt->pCurrBSS->sRSNCapObj.bRSNCapExist == true) {
            memcpy(&pRSNIEs->abyRSN[16], &pMgmt->pCurrBSS->sRSNCapObj.wRSNCap, 2);
        } else {
            pRSNIEs->abyRSN[16] = 0;
            pRSNIEs->abyRSN[17] = 0;
        }
        pRSNIEs->len +=2;

        if ((pMgmt->gsPMKIDCache.BSSIDInfoCount > 0) &&
            (pMgmt->bRoaming == true) &&
            (pMgmt->eAuthenMode == WMAC_AUTH_WPA2)) {
            // RSN PMKID
            pwPMKID = (unsigned short *)(&pRSNIEs->abyRSN[18]);  // Point to PMKID count
            *pwPMKID = 0;                               // Initialize PMKID count
            pbyBuffer = &pRSNIEs->abyRSN[20];           // Point to PMKID list
            for (ii = 0; ii < pMgmt->gsPMKIDCache.BSSIDInfoCount; ii++) {
                if ( !memcmp(&pMgmt->gsPMKIDCache.BSSIDInfo[ii].abyBSSID[0], pMgmt->abyCurrBSSID, ETH_ALEN)) {
                    (*pwPMKID) ++;
                    memcpy(pbyBuffer, pMgmt->gsPMKIDCache.BSSIDInfo[ii].abyPMKID, 16);
                    pbyBuffer += 16;
                }
            }
            if (*pwPMKID != 0) {
                pRSNIEs->len += (2 + (*pwPMKID)*16);
            } else {
                pbyBuffer = &pRSNIEs->abyRSN[18];
            }
        }
        return(pRSNIEs->len + WLAN_IEHDR_LEN);
    }
    return(0);
}
Commit	Line	Data
5449c685 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: wpa2.c
	21	*
	22	* Purpose: Handles the Basic Service Set & Node Database functions
	23	*
	24	* Functions:
	25	*
	26	* Revision History:
	27	*
	28	* Author: Yiching Chen
	29	*
	30	* Date: Oct. 4, 2004
	31	*
	32	*/
a7ad322a	33
5449c685	34	#include "wpa2.h"
5449c685	35	#include "device.h"
5449c685	36	#include "wmgr.h"
5449c685 FB	37
	38	/--------------------- Static Definitions -------------------------/
	39	static int msglevel =MSG_LEVEL_INFO;
	40	//static int msglevel =MSG_LEVEL_DEBUG;
	41	/--------------------- Static Classes ----------------------------/
	42
	43	/--------------------- Static Variables --------------------------/
	44
3fc9b584 CC	45	const unsigned char abyOUIGK[4] = { 0x00, 0x0F, 0xAC, 0x00 };
	46	const unsigned char abyOUIWEP40[4] = { 0x00, 0x0F, 0xAC, 0x01 };
	47	const unsigned char abyOUIWEP104[4] = { 0x00, 0x0F, 0xAC, 0x05 };
	48	const unsigned char abyOUITKIP[4] = { 0x00, 0x0F, 0xAC, 0x02 };
	49	const unsigned char abyOUICCMP[4] = { 0x00, 0x0F, 0xAC, 0x04 };
5449c685	50
3fc9b584 CC	51	const unsigned char abyOUI8021X[4] = { 0x00, 0x0F, 0xAC, 0x01 };
3fc9b584 CC	52	const unsigned char abyOUIPSK[4] = { 0x00, 0x0F, 0xAC, 0x02 };
5449c685 FB	53
	54
	55	/--------------------- Static Functions --------------------------/
	56
	57	/--------------------- Export Variables --------------------------/
	58
	59	/--------------------- Export Functions --------------------------/
	60
	61	/*+
	62	*
	63	* Description:
	64	* Clear RSN information in BSSList.
	65	*
	66	* Parameters:
	67	* In:
	68	* pBSSNode - BSS list.
	69	* Out:
	70	* none
	71	*
	72	* Return Value: none.
	73	*
	74	-*/
6b35b7b3	75	void
5449c685	76	WPA2_ClearRSN (
3a215e0f	77	PKnownBSS pBSSNode
5449c685 FB	78	)
	79	{
	80	int ii;
	81
5a5a2a6a	82	pBSSNode->bWPA2Valid = false;
5449c685 FB	83
	84	pBSSNode->byCSSGK = WLAN_11i_CSS_CCMP;
	85	for (ii=0; ii < 4; ii ++)
	86	pBSSNode->abyCSSPK[ii] = WLAN_11i_CSS_CCMP;
	87	pBSSNode->wCSSPKCount = 1;
	88	for (ii=0; ii < 4; ii ++)
	89	pBSSNode->abyAKMSSAuthType[ii] = WLAN_11i_AKMSS_802_1X;
	90	pBSSNode->wAKMSSAuthCount = 1;
5a5a2a6a	91	pBSSNode->sRSNCapObj.bRSNCapExist = false;
5449c685 FB	92	pBSSNode->sRSNCapObj.wRSNCap = 0;
	93	}
	94
	95	/*+
	96	*
	97	* Description:
	98	* Parse RSN IE.
	99	*
	100	* Parameters:
	101	* In:
	102	* pBSSNode - BSS list.
	103	* pRSN - Pointer to the RSN IE.
	104	* Out:
	105	* none
	106	*
	107	* Return Value: none.
	108	*
	109	-*/
6b35b7b3	110	void
5449c685	111	WPA2vParseRSN (
3a215e0f CC	112	PKnownBSS pBSSNode,
3a215e0f CC	113	PWLAN_IE_RSN pRSN
5449c685 FB	114	)
	115	{
	116	int i, j;
2986db5f	117	unsigned short m = 0, n = 0;
2989e96f	118	unsigned char *pbyOUI;
7b6a0013	119	bool bUseGK = false;
5449c685	120
7e809a9b	121	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"WPA2_ParseRSN: [%d]\n", pRSN->len);
5449c685 FB	122
	123	WPA2_ClearRSN(pBSSNode);
	124
	125	if (pRSN->len == 2) { // ver(2)
	126	if ((pRSN->byElementID == WLAN_EID_RSN) && (pRSN->wVersion == 1)) {
1b12068a	127	pBSSNode->bWPA2Valid = true;
5449c685 FB	128	}
	129	return;
	130	}
	131
	132	if (pRSN->len < 6) { // ver(2) + GK(4)
	133	// invalid CSS, P802.11i/D10.0, p31
	134	return;
	135	}
	136
	137	// information element header makes sense
	138	if ((pRSN->byElementID == WLAN_EID_RSN) &&
	139	(pRSN->wVersion == 1)) {
	140
7e809a9b	141	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Legal 802.11i RSN\n");
5449c685 FB	142
5449c685 FB	143	pbyOUI = &(pRSN->abyRSN[0]);
51b6d9c2	144	if ( !memcmp(pbyOUI, abyOUIWEP40, 4))
5449c685	145	pBSSNode->byCSSGK = WLAN_11i_CSS_WEP40;
51b6d9c2	146	else if ( !memcmp(pbyOUI, abyOUITKIP, 4))
5449c685	147	pBSSNode->byCSSGK = WLAN_11i_CSS_TKIP;
51b6d9c2	148	else if ( !memcmp(pbyOUI, abyOUICCMP, 4))
5449c685	149	pBSSNode->byCSSGK = WLAN_11i_CSS_CCMP;
51b6d9c2	150	else if ( !memcmp(pbyOUI, abyOUIWEP104, 4))
5449c685	151	pBSSNode->byCSSGK = WLAN_11i_CSS_WEP104;
51b6d9c2	152	else if ( !memcmp(pbyOUI, abyOUIGK, 4)) {
5449c685 FB	153	// invalid CSS, P802.11i/D10.0, p32
	154	return;
	155	} else
	156	// any vendor checks here
	157	pBSSNode->byCSSGK = WLAN_11i_CSS_UNKNOWN;
	158
7e809a9b	159	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"802.11i CSS: %X\n", pBSSNode->byCSSGK);
5449c685 FB	160
5449c685 FB	161	if (pRSN->len == 6) {
1b12068a	162	pBSSNode->bWPA2Valid = true;
5449c685 FB	163	return;
	164	}
	165
	166	if (pRSN->len >= 8) { // ver(2) + GK(4) + PK count(2)
15df6c2b	167	pBSSNode->wCSSPKCount = ((unsigned short ) &(pRSN->abyRSN[4]));
5449c685 FB	168	j = 0;
	169	pbyOUI = &(pRSN->abyRSN[6]);
	170
3fc9b584	171	for (i = 0; (i < pBSSNode->wCSSPKCount) && (j < sizeof(pBSSNode->abyCSSPK)/sizeof(unsigned char)); i++) {
5449c685 FB	172
5449c685 FB	173	if (pRSN->len >= 8+i4+4) { // ver(2)+GK(4)+PKCnt(2)+PKS(4i)
51b6d9c2	174	if ( !memcmp(pbyOUI, abyOUIGK, 4)) {
5449c685	175	pBSSNode->abyCSSPK[j++] = WLAN_11i_CSS_USE_GROUP;
1b12068a	176	bUseGK = true;
51b6d9c2	177	} else if ( !memcmp(pbyOUI, abyOUIWEP40, 4)) {
5449c685	178	// Invialid CSS, continue to parsing
51b6d9c2	179	} else if ( !memcmp(pbyOUI, abyOUITKIP, 4)) {
5449c685 FB	180	if (pBSSNode->byCSSGK != WLAN_11i_CSS_CCMP)
	181	pBSSNode->abyCSSPK[j++] = WLAN_11i_CSS_TKIP;
	182	else
	183	; // Invialid CSS, continue to parsing
51b6d9c2	184	} else if ( !memcmp(pbyOUI, abyOUICCMP, 4)) {
5449c685	185	pBSSNode->abyCSSPK[j++] = WLAN_11i_CSS_CCMP;
51b6d9c2	186	} else if ( !memcmp(pbyOUI, abyOUIWEP104, 4)) {
5449c685 FB	187	// Invialid CSS, continue to parsing
	188	} else {
	189	// any vendor checks here
	190	pBSSNode->abyCSSPK[j++] = WLAN_11i_CSS_UNKNOWN;
	191	}
	192	pbyOUI += 4;
7e809a9b	193	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"abyCSSPK[%d]: %X\n", j-1, pBSSNode->abyCSSPK[j-1]);
5449c685 FB	194	} else
	195	break;
	196	} //for
	197
1b12068a	198	if (bUseGK == true) {
5449c685 FB	199	if (j != 1) {
	200	// invalid CSS, This should be only PK CSS.
	201	return;
	202	}
	203	if (pBSSNode->byCSSGK == WLAN_11i_CSS_CCMP) {
	204	// invalid CSS, If CCMP is enable , PK can't be CSSGK.
	205	return;
	206	}
	207	}
	208	if ((pBSSNode->wCSSPKCount != 0) && (j == 0)) {
	209	// invalid CSS, No valid PK.
	210	return;
	211	}
2986db5f	212	pBSSNode->wCSSPKCount = (unsigned short)j;
7e809a9b	213	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"wCSSPKCount: %d\n", pBSSNode->wCSSPKCount);
5449c685 FB	214	}
5449c685 FB	215
15df6c2b	216	m = ((unsigned short ) &(pRSN->abyRSN[4]));
5449c685 FB	217
5449c685 FB	218	if (pRSN->len >= 10+m4) { // ver(2) + GK(4) + PK count(2) + PKS(4m) + AKMSS count(2)
859171ca	219	pBSSNode->wAKMSSAuthCount = ((unsigned short ) &(pRSN->abyRSN[6+4*m]));
5449c685 FB	220	j = 0;
5449c685 FB	221	pbyOUI = &(pRSN->abyRSN[8+4*m]);
3fc9b584	222	for (i = 0; (i < pBSSNode->wAKMSSAuthCount) && (j < sizeof(pBSSNode->abyAKMSSAuthType)/sizeof(unsigned char)); i++) {
5449c685	223	if (pRSN->len >= 10+(m+i)4+4) { // ver(2)+GK(4)+PKCnt(2)+PKS(4m)+AKMSS(2)+AKS(4*i)
51b6d9c2	224	if ( !memcmp(pbyOUI, abyOUI8021X, 4))
5449c685	225	pBSSNode->abyAKMSSAuthType[j++] = WLAN_11i_AKMSS_802_1X;
51b6d9c2	226	else if ( !memcmp(pbyOUI, abyOUIPSK, 4))
5449c685 FB	227	pBSSNode->abyAKMSSAuthType[j++] = WLAN_11i_AKMSS_PSK;
	228	else
	229	// any vendor checks here
	230	pBSSNode->abyAKMSSAuthType[j++] = WLAN_11i_AKMSS_UNKNOWN;
7e809a9b	231	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"abyAKMSSAuthType[%d]: %X\n", j-1, pBSSNode->abyAKMSSAuthType[j-1]);
5449c685 FB	232	} else
	233	break;
	234	}
2986db5f	235	pBSSNode->wAKMSSAuthCount = (unsigned short)j;
7e809a9b	236	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"wAKMSSAuthCount: %d\n", pBSSNode->wAKMSSAuthCount);
5449c685	237
859171ca	238	n = ((unsigned short ) &(pRSN->abyRSN[6+4*m]));
5449c685	239	if (pRSN->len >= 12+4m+4n) { // ver(2)+GK(4)+PKCnt(2)+PKS(4m)+AKMSSCnt(2)+AKMSS(4n)+Cap(2)
1b12068a	240	pBSSNode->sRSNCapObj.bRSNCapExist = true;
15df6c2b	241	pBSSNode->sRSNCapObj.wRSNCap = ((unsigned short ) &(pRSN->abyRSN[8+4m+4n]));
5449c685 FB	242	}
	243	}
	244	//ignore PMKID lists bcs only (Re)Assocrequest has this field
1b12068a	245	pBSSNode->bWPA2Valid = true;
5449c685 FB	246	}
	247	}
	248
	249
	250	/*+
	251	*
	252	* Description:
	253	* Set WPA IEs
	254	*
	255	* Parameters:
	256	* In:
	257	* pMgmtHandle - Pointer to management object
	258	* Out:
	259	* pRSNIEs - Pointer to the RSN IE to set.
	260	*
	261	* Return Value: length of IEs.
	262	*
	263	-*/
b6e95cd5	264	unsigned int
5449c685	265	WPA2uSetIEs(
3a215e0f	266	void *pMgmtHandle,
3cdec554	267	PWLAN_IE_RSN pRSNIEs
5449c685 FB	268	)
	269	{
	270	PSMgmtObject pMgmt = (PSMgmtObject) pMgmtHandle;
2989e96f	271	unsigned char *pbyBuffer = NULL;
b6e95cd5	272	unsigned int ii = 0;
15df6c2b	273	unsigned short *pwPMKID = NULL;
5449c685 FB	274
	275	if (pRSNIEs == NULL) {
	276	return(0);
	277	}
	278	if (((pMgmt->eAuthenMode == WMAC_AUTH_WPA2) \|\|
	279	(pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) &&
	280	(pMgmt->pCurrBSS != NULL)) {
	281	/* WPA2 IE */
2989e96f	282	pbyBuffer = (unsigned char *) pRSNIEs;
5449c685 FB	283	pRSNIEs->byElementID = WLAN_EID_RSN;
	284	pRSNIEs->len = 6; //Version(2)+GK(4)
	285	pRSNIEs->wVersion = 1;
	286	//Group Key Cipher Suite
	287	pRSNIEs->abyRSN[0] = 0x00;
	288	pRSNIEs->abyRSN[1] = 0x0F;
	289	pRSNIEs->abyRSN[2] = 0xAC;
	290	if (pMgmt->byCSSGK == KEY_CTL_WEP) {
	291	pRSNIEs->abyRSN[3] = pMgmt->pCurrBSS->byCSSGK;
	292	} else if (pMgmt->byCSSGK == KEY_CTL_TKIP) {
	293	pRSNIEs->abyRSN[3] = WLAN_11i_CSS_TKIP;
	294	} else if (pMgmt->byCSSGK == KEY_CTL_CCMP) {
	295	pRSNIEs->abyRSN[3] = WLAN_11i_CSS_CCMP;
	296	} else {
	297	pRSNIEs->abyRSN[3] = WLAN_11i_CSS_UNKNOWN;
	298	}
	299
	300	// Pairwise Key Cipher Suite
	301	pRSNIEs->abyRSN[4] = 1;
	302	pRSNIEs->abyRSN[5] = 0;
	303	pRSNIEs->abyRSN[6] = 0x00;
	304	pRSNIEs->abyRSN[7] = 0x0F;
	305	pRSNIEs->abyRSN[8] = 0xAC;
	306	if (pMgmt->byCSSPK == KEY_CTL_TKIP) {
	307	pRSNIEs->abyRSN[9] = WLAN_11i_CSS_TKIP;
	308	} else if (pMgmt->byCSSPK == KEY_CTL_CCMP) {
	309	pRSNIEs->abyRSN[9] = WLAN_11i_CSS_CCMP;
	310	} else if (pMgmt->byCSSPK == KEY_CTL_NONE) {
	311	pRSNIEs->abyRSN[9] = WLAN_11i_CSS_USE_GROUP;
	312	} else {
	313	pRSNIEs->abyRSN[9] = WLAN_11i_CSS_UNKNOWN;
	314	}
	315	pRSNIEs->len += 6;
	316
	317	// Auth Key Management Suite
	318	pRSNIEs->abyRSN[10] = 1;
	319	pRSNIEs->abyRSN[11] = 0;
	320	pRSNIEs->abyRSN[12] = 0x00;
	321	pRSNIEs->abyRSN[13] = 0x0F;
	322	pRSNIEs->abyRSN[14] = 0xAC;
	323	if (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK) {
	324	pRSNIEs->abyRSN[15] = WLAN_11i_AKMSS_PSK;
	325	} else if (pMgmt->eAuthenMode == WMAC_AUTH_WPA2) {
	326	pRSNIEs->abyRSN[15] = WLAN_11i_AKMSS_802_1X;
	327	} else {
	328	pRSNIEs->abyRSN[15] = WLAN_11i_AKMSS_UNKNOWN;
	329	}
	330	pRSNIEs->len +=6;
	331
	332	// RSN Capabilites
1b12068a	333	if (pMgmt->pCurrBSS->sRSNCapObj.bRSNCapExist == true) {
51b6d9c2	334	memcpy(&pRSNIEs->abyRSN[16], &pMgmt->pCurrBSS->sRSNCapObj.wRSNCap, 2);
5449c685 FB	335	} else {
	336	pRSNIEs->abyRSN[16] = 0;
	337	pRSNIEs->abyRSN[17] = 0;
	338	}
	339	pRSNIEs->len +=2;
	340
	341	if ((pMgmt->gsPMKIDCache.BSSIDInfoCount > 0) &&
1b12068a	342	(pMgmt->bRoaming == true) &&
5449c685 FB	343	(pMgmt->eAuthenMode == WMAC_AUTH_WPA2)) {
5449c685 FB	344	// RSN PMKID
15df6c2b	345	pwPMKID = (unsigned short *)(&pRSNIEs->abyRSN[18]); // Point to PMKID count
5449c685 FB	346	*pwPMKID = 0; // Initialize PMKID count
	347	pbyBuffer = &pRSNIEs->abyRSN[20]; // Point to PMKID list
	348	for (ii = 0; ii < pMgmt->gsPMKIDCache.BSSIDInfoCount; ii++) {
078b078f	349	if ( !memcmp(&pMgmt->gsPMKIDCache.BSSIDInfo[ii].abyBSSID[0], pMgmt->abyCurrBSSID, ETH_ALEN)) {
5449c685	350	(*pwPMKID) ++;
51b6d9c2	351	memcpy(pbyBuffer, pMgmt->gsPMKIDCache.BSSIDInfo[ii].abyPMKID, 16);
5449c685 FB	352	pbyBuffer += 16;
	353	}
	354	}
	355	if (*pwPMKID != 0) {
	356	pRSNIEs->len += (2 + (pwPMKID)16);
	357	} else {
	358	pbyBuffer = &pRSNIEs->abyRSN[18];
	359	}
	360	}
	361	return(pRSNIEs->len + WLAN_IEHDR_LEN);
	362	}
	363	return(0);
	364	}