| /* |
| * 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: 80211mgr.c |
| * |
| * Purpose: Handles the 802.11 managment support functions |
| * |
| * Author: Lyndon Chen |
| * |
| * Date: May 8, 2002 |
| * |
| * Functions: |
| * vMgrEncodeBeacon - Encode the Beacon frame |
| * vMgrDecodeBeacon - Decode the Beacon frame |
| * vMgrEncodeIBSSATIM - Encode the IBSS ATIM frame |
| * vMgrDecodeIBSSATIM - Decode the IBSS ATIM frame |
| * vMgrEncodeDisassociation - Encode the Disassociation frame |
| * vMgrDecodeDisassociation - Decode the Disassociation frame |
| * vMgrEncodeAssocRequest - Encode the Association request frame |
| * vMgrDecodeAssocRequest - Decode the Association request frame |
| * vMgrEncodeAssocResponse - Encode the Association response frame |
| * vMgrDecodeAssocResponse - Decode the Association response frame |
| * vMgrEncodeReAssocRequest - Encode the ReAssociation request frame |
| * vMgrDecodeReAssocRequest - Decode the ReAssociation request frame |
| * vMgrEncodeProbeRequest - Encode the Probe request frame |
| * vMgrDecodeProbeRequest - Decode the Probe request frame |
| * vMgrEncodeProbeResponse - Encode the Probe response frame |
| * vMgrDecodeProbeResponse - Decode the Probe response frame |
| * vMgrEncodeAuthen - Encode the Authentication frame |
| * vMgrDecodeAuthen - Decode the Authentication frame |
| * vMgrEncodeDeauthen - Encode the DeAuthentication frame |
| * vMgrDecodeDeauthen - Decode the DeAuthentication frame |
| * vMgrEncodeReassocResponse - Encode the Reassociation response frame |
| * vMgrDecodeReassocResponse - Decode the Reassociation response frame |
| * |
| * Revision History: |
| * |
| */ |
| |
| #include "tmacro.h" |
| #include "tether.h" |
| #include "80211mgr.h" |
| #include "80211hdr.h" |
| #include "device.h" |
| #include "wpa.h" |
| |
| /*--------------------- Static Definitions -------------------------*/ |
| |
| |
| |
| /*--------------------- Static Classes ----------------------------*/ |
| |
| /*--------------------- Static Variables --------------------------*/ |
| |
| static int msglevel =MSG_LEVEL_INFO; |
| //static int msglevel =MSG_LEVEL_DEBUG; |
| /*--------------------- Static Functions --------------------------*/ |
| |
| |
| |
| /*--------------------- Export Variables --------------------------*/ |
| |
| |
| /*--------------------- Export Functions --------------------------*/ |
| |
| |
| /*+ |
| * |
| * Routine Description: |
| * Encode Beacon frame body offset |
| * |
| * Return Value: |
| * None. |
| * |
| -*/ |
| |
| VOID |
| vMgrEncodeBeacon( |
| IN PWLAN_FR_BEACON pFrame |
| ) |
| { |
| pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; |
| |
| // Fixed Fields |
| pFrame->pqwTimestamp = (PQWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_BEACON_OFF_TS); |
| pFrame->pwBeaconInterval = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_BEACON_OFF_BCN_INT); |
| pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_BEACON_OFF_CAPINFO); |
| |
| pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_BEACON_OFF_SSID; |
| |
| return; |
| } |
| |
| /*+ |
| * |
| * Routine Description: |
| * Decode Beacon frame body offset |
| * |
| * |
| * Return Value: |
| * None. |
| * |
| -*/ |
| |
| |
| VOID |
| vMgrDecodeBeacon( |
| IN PWLAN_FR_BEACON pFrame |
| ) |
| { |
| PWLAN_IE pItem; |
| |
| pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; |
| |
| // Fixed Fields |
| pFrame->pqwTimestamp = (PQWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_BEACON_OFF_TS); |
| pFrame->pwBeaconInterval = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_BEACON_OFF_BCN_INT); |
| pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_BEACON_OFF_CAPINFO); |
| |
| // Information elements |
| pItem = (PWLAN_IE)((PBYTE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))) |
| + WLAN_BEACON_OFF_SSID); |
| while( ((PBYTE)pItem) < (pFrame->pBuf + pFrame->len) ){ |
| |
| switch (pItem->byElementID) { |
| case WLAN_EID_SSID: |
| if (pFrame->pSSID == NULL) |
| pFrame->pSSID = (PWLAN_IE_SSID)pItem; |
| break; |
| case WLAN_EID_SUPP_RATES: |
| if (pFrame->pSuppRates == NULL) |
| pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)pItem; |
| break; |
| case WLAN_EID_FH_PARMS: |
| //pFrame->pFHParms = (PWLAN_IE_FH_PARMS)pItem; |
| break; |
| case WLAN_EID_DS_PARMS: |
| if (pFrame->pDSParms == NULL) |
| pFrame->pDSParms = (PWLAN_IE_DS_PARMS)pItem; |
| break; |
| case WLAN_EID_CF_PARMS: |
| if (pFrame->pCFParms == NULL) |
| pFrame->pCFParms = (PWLAN_IE_CF_PARMS)pItem; |
| break; |
| case WLAN_EID_IBSS_PARMS: |
| if (pFrame->pIBSSParms == NULL) |
| pFrame->pIBSSParms = (PWLAN_IE_IBSS_PARMS)pItem; |
| break; |
| case WLAN_EID_TIM: |
| if (pFrame->pTIM == NULL) |
| pFrame->pTIM = (PWLAN_IE_TIM)pItem; |
| break; |
| |
| case WLAN_EID_RSN: |
| if (pFrame->pRSN == NULL) { |
| pFrame->pRSN = (PWLAN_IE_RSN)pItem; |
| } |
| break; |
| case WLAN_EID_RSN_WPA: |
| if (pFrame->pRSNWPA == NULL) { |
| if (WPAb_Is_RSN((PWLAN_IE_RSN_EXT)pItem) == TRUE) |
| pFrame->pRSNWPA = (PWLAN_IE_RSN_EXT)pItem; |
| } |
| break; |
| |
| case WLAN_EID_ERP: |
| if (pFrame->pERP == NULL) |
| pFrame->pERP = (PWLAN_IE_ERP)pItem; |
| break; |
| case WLAN_EID_EXTSUPP_RATES: |
| if (pFrame->pExtSuppRates == NULL) |
| pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem; |
| break; |
| |
| case WLAN_EID_COUNTRY: //7 |
| if (pFrame->pIE_Country == NULL) |
| pFrame->pIE_Country = (PWLAN_IE_COUNTRY)pItem; |
| break; |
| |
| case WLAN_EID_PWR_CONSTRAINT: //32 |
| if (pFrame->pIE_PowerConstraint == NULL) |
| pFrame->pIE_PowerConstraint = (PWLAN_IE_PW_CONST)pItem; |
| break; |
| |
| case WLAN_EID_CH_SWITCH: //37 |
| if (pFrame->pIE_CHSW == NULL) |
| pFrame->pIE_CHSW = (PWLAN_IE_CH_SW)pItem; |
| break; |
| |
| case WLAN_EID_QUIET: //40 |
| if (pFrame->pIE_Quiet == NULL) |
| pFrame->pIE_Quiet = (PWLAN_IE_QUIET)pItem; |
| break; |
| |
| case WLAN_EID_IBSS_DFS: |
| if (pFrame->pIE_IBSSDFS == NULL) |
| pFrame->pIE_IBSSDFS = (PWLAN_IE_IBSS_DFS)pItem; |
| break; |
| |
| default: |
| DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Unrecognized EID=%dd in beacon decode.\n", pItem->byElementID); |
| break; |
| |
| } |
| pItem = (PWLAN_IE)(((PBYTE)pItem) + 2 + pItem->len); |
| } |
| |
| return; |
| } |
| |
| |
| /*+ |
| * |
| * Routine Description: |
| * Encode IBSS ATIM |
| * |
| * |
| * Return Value: |
| * None. |
| * |
| -*/ |
| |
| |
| VOID |
| vMgrEncodeIBSSATIM( |
| IN PWLAN_FR_IBSSATIM pFrame |
| ) |
| { |
| pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; |
| pFrame->len = WLAN_HDR_ADDR3_LEN; |
| |
| return; |
| } |
| |
| |
| /*+ |
| * |
| * Routine Description: |
| * Decode IBSS ATIM |
| * |
| * |
| * Return Value: |
| * None. |
| * |
| -*/ |
| |
| VOID |
| vMgrDecodeIBSSATIM( |
| IN PWLAN_FR_IBSSATIM pFrame |
| ) |
| { |
| pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; |
| |
| return; |
| } |
| |
| |
| /*+ |
| * |
| * Routine Description: |
| * Encode Disassociation |
| * |
| * |
| * Return Value: |
| * None. |
| * |
| -*/ |
| |
| VOID |
| vMgrEncodeDisassociation( |
| IN PWLAN_FR_DISASSOC pFrame |
| ) |
| { |
| pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; |
| |
| |
| // Fixed Fields |
| pFrame->pwReason = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_DISASSOC_OFF_REASON); |
| pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_DISASSOC_OFF_REASON + sizeof(*(pFrame->pwReason)); |
| |
| return; |
| } |
| |
| |
| /*+ |
| * |
| * Routine Description: |
| * Decode Disassociation |
| * |
| * |
| * Return Value: |
| * None. |
| * |
| -*/ |
| |
| VOID |
| vMgrDecodeDisassociation( |
| IN PWLAN_FR_DISASSOC pFrame |
| ) |
| { |
| pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; |
| |
| // Fixed Fields |
| pFrame->pwReason = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_DISASSOC_OFF_REASON); |
| |
| return; |
| } |
| |
| /*+ |
| * |
| * Routine Description: |
| * Encode Association Request |
| * |
| * |
| * Return Value: |
| * None. |
| * |
| -*/ |
| |
| |
| VOID |
| vMgrEncodeAssocRequest( |
| IN PWLAN_FR_ASSOCREQ pFrame |
| ) |
| { |
| pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; |
| // Fixed Fields |
| pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_ASSOCREQ_OFF_CAP_INFO); |
| pFrame->pwListenInterval = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_ASSOCREQ_OFF_LISTEN_INT); |
| pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_ASSOCREQ_OFF_LISTEN_INT + sizeof(*(pFrame->pwListenInterval)); |
| return; |
| } |
| |
| |
| /*+ |
| * |
| * Routine Description: (AP) |
| * Decode Association Request |
| * |
| * |
| * Return Value: |
| * None. |
| * |
| -*/ |
| |
| VOID |
| vMgrDecodeAssocRequest( |
| IN PWLAN_FR_ASSOCREQ pFrame |
| ) |
| { |
| PWLAN_IE pItem; |
| |
| pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; |
| // Fixed Fields |
| pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_ASSOCREQ_OFF_CAP_INFO); |
| pFrame->pwListenInterval = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_ASSOCREQ_OFF_LISTEN_INT); |
| |
| // Information elements |
| pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_ASSOCREQ_OFF_SSID); |
| |
| while (((PBYTE)pItem) < (pFrame->pBuf + pFrame->len)) { |
| switch (pItem->byElementID){ |
| case WLAN_EID_SSID: |
| if (pFrame->pSSID == NULL) |
| pFrame->pSSID = (PWLAN_IE_SSID)pItem; |
| break; |
| case WLAN_EID_SUPP_RATES: |
| if (pFrame->pSuppRates == NULL) |
| pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)pItem; |
| break; |
| |
| case WLAN_EID_RSN: |
| if (pFrame->pRSN == NULL) { |
| pFrame->pRSN = (PWLAN_IE_RSN)pItem; |
| } |
| break; |
| case WLAN_EID_RSN_WPA: |
| if (pFrame->pRSNWPA == NULL) { |
| if (WPAb_Is_RSN((PWLAN_IE_RSN_EXT)pItem) == TRUE) |
| pFrame->pRSNWPA = (PWLAN_IE_RSN_EXT)pItem; |
| } |
| break; |
| case WLAN_EID_EXTSUPP_RATES: |
| if (pFrame->pExtSuppRates == NULL) |
| pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem; |
| break; |
| |
| default: |
| DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Unrecognized EID=%dd in assocreq decode.\n", |
| pItem->byElementID); |
| break; |
| } |
| pItem = (PWLAN_IE)(((PBYTE)pItem) + 2 + pItem->len); |
| } |
| return; |
| } |
| |
| /*+ |
| * |
| * Routine Description: (AP) |
| * Encode Association Response |
| * |
| * |
| * Return Value: |
| * None. |
| * |
| -*/ |
| |
| VOID |
| vMgrEncodeAssocResponse( |
| IN PWLAN_FR_ASSOCRESP pFrame |
| ) |
| { |
| pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; |
| |
| // Fixed Fields |
| pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_ASSOCRESP_OFF_CAP_INFO); |
| pFrame->pwStatus = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_ASSOCRESP_OFF_STATUS); |
| pFrame->pwAid = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_ASSOCRESP_OFF_AID); |
| pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_ASSOCRESP_OFF_AID |
| + sizeof(*(pFrame->pwAid)); |
| |
| return; |
| } |
| |
| |
| /*+ |
| * |
| * Routine Description: |
| * Decode Association Response |
| * |
| * |
| * Return Value: |
| * None. |
| * |
| -*/ |
| |
| VOID |
| vMgrDecodeAssocResponse( |
| IN PWLAN_FR_ASSOCRESP pFrame |
| ) |
| { |
| PWLAN_IE pItem; |
| |
| pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; |
| |
| // Fixed Fields |
| pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_ASSOCRESP_OFF_CAP_INFO); |
| pFrame->pwStatus = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_ASSOCRESP_OFF_STATUS); |
| pFrame->pwAid = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_ASSOCRESP_OFF_AID); |
| |
| // Information elements |
| pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_ASSOCRESP_OFF_SUPP_RATES); |
| |
| pItem = (PWLAN_IE)(pFrame->pSuppRates); |
| pItem = (PWLAN_IE)(((PBYTE)pItem) + 2 + pItem->len); |
| |
| if ((((PBYTE)pItem) < (pFrame->pBuf + pFrame->len)) && (pItem->byElementID == WLAN_EID_EXTSUPP_RATES)) { |
| pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem; |
| DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pFrame->pExtSuppRates=[%p].\n", pItem); |
| } |
| else { |
| pFrame->pExtSuppRates = NULL; |
| } |
| return; |
| } |
| |
| |
| /*+ |
| * |
| * Routine Description: |
| * Encode Reassociation Request |
| * |
| * |
| * Return Value: |
| * None. |
| * |
| -*/ |
| |
| VOID |
| vMgrEncodeReassocRequest( |
| IN PWLAN_FR_REASSOCREQ pFrame |
| ) |
| { |
| pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; |
| |
| // Fixed Fields |
| pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_REASSOCREQ_OFF_CAP_INFO); |
| pFrame->pwListenInterval = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_REASSOCREQ_OFF_LISTEN_INT); |
| pFrame->pAddrCurrAP = (PIEEE_ADDR)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_REASSOCREQ_OFF_CURR_AP); |
| pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_REASSOCREQ_OFF_CURR_AP + sizeof(*(pFrame->pAddrCurrAP)); |
| |
| return; |
| } |
| |
| |
| /*+ |
| * |
| * Routine Description: (AP) |
| * Decode Reassociation Request |
| * |
| * |
| * Return Value: |
| * None. |
| * |
| -*/ |
| |
| |
| VOID |
| vMgrDecodeReassocRequest( |
| IN PWLAN_FR_REASSOCREQ pFrame |
| ) |
| { |
| PWLAN_IE pItem; |
| pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; |
| |
| // Fixed Fields |
| pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_REASSOCREQ_OFF_CAP_INFO); |
| pFrame->pwListenInterval = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_REASSOCREQ_OFF_LISTEN_INT); |
| pFrame->pAddrCurrAP = (PIEEE_ADDR)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_REASSOCREQ_OFF_CURR_AP); |
| |
| // Information elements |
| pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_REASSOCREQ_OFF_SSID); |
| |
| while(((PBYTE)pItem) < (pFrame->pBuf + pFrame->len)) { |
| |
| switch (pItem->byElementID){ |
| case WLAN_EID_SSID: |
| if (pFrame->pSSID == NULL) |
| pFrame->pSSID = (PWLAN_IE_SSID)pItem; |
| break; |
| case WLAN_EID_SUPP_RATES: |
| if (pFrame->pSuppRates == NULL) |
| pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)pItem; |
| break; |
| |
| case WLAN_EID_RSN: |
| if (pFrame->pRSN == NULL) { |
| pFrame->pRSN = (PWLAN_IE_RSN)pItem; |
| } |
| break; |
| case WLAN_EID_RSN_WPA: |
| if (pFrame->pRSNWPA == NULL) { |
| if (WPAb_Is_RSN((PWLAN_IE_RSN_EXT)pItem) == TRUE) |
| pFrame->pRSNWPA = (PWLAN_IE_RSN_EXT)pItem; |
| } |
| break; |
| |
| case WLAN_EID_EXTSUPP_RATES: |
| if (pFrame->pExtSuppRates == NULL) |
| pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem; |
| break; |
| default: |
| DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Unrecognized EID=%dd in reassocreq decode.\n", |
| pItem->byElementID); |
| break; |
| } |
| pItem = (PWLAN_IE)(((PBYTE)pItem) + 2 + pItem->len); |
| } |
| return; |
| } |
| |
| |
| |
| /*+ |
| * |
| * Routine Description: |
| * Encode Probe Request |
| * |
| * |
| * Return Value: |
| * None. |
| * |
| -*/ |
| |
| |
| VOID |
| vMgrEncodeProbeRequest( |
| IN PWLAN_FR_PROBEREQ pFrame |
| ) |
| { |
| pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; |
| pFrame->len = WLAN_HDR_ADDR3_LEN; |
| return; |
| } |
| |
| /*+ |
| * |
| * Routine Description: |
| * Decode Probe Request |
| * |
| * |
| * Return Value: |
| * None. |
| * |
| -*/ |
| |
| VOID |
| vMgrDecodeProbeRequest( |
| IN PWLAN_FR_PROBEREQ pFrame |
| ) |
| { |
| PWLAN_IE pItem; |
| |
| pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; |
| |
| // Information elements |
| pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))); |
| |
| while( ((PBYTE)pItem) < (pFrame->pBuf + pFrame->len) ) { |
| |
| switch (pItem->byElementID) { |
| case WLAN_EID_SSID: |
| if (pFrame->pSSID == NULL) |
| pFrame->pSSID = (PWLAN_IE_SSID)pItem; |
| break; |
| |
| case WLAN_EID_SUPP_RATES: |
| if (pFrame->pSuppRates == NULL) |
| pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)pItem; |
| break; |
| |
| case WLAN_EID_EXTSUPP_RATES: |
| if (pFrame->pExtSuppRates == NULL) |
| pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem; |
| break; |
| |
| default: |
| DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Bad EID=%dd in probereq\n", pItem->byElementID); |
| break; |
| } |
| |
| pItem = (PWLAN_IE)(((PBYTE)pItem) + 2 + pItem->len); |
| } |
| return; |
| } |
| |
| |
| /*+ |
| * |
| * Routine Description: |
| * Encode Probe Response |
| * |
| * |
| * Return Value: |
| * None. |
| * |
| -*/ |
| |
| |
| VOID |
| vMgrEncodeProbeResponse( |
| IN PWLAN_FR_PROBERESP pFrame |
| ) |
| { |
| pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; |
| |
| // Fixed Fields |
| pFrame->pqwTimestamp = (PQWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_PROBERESP_OFF_TS); |
| pFrame->pwBeaconInterval = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_PROBERESP_OFF_BCN_INT); |
| pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_PROBERESP_OFF_CAP_INFO); |
| |
| pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_PROBERESP_OFF_CAP_INFO + |
| sizeof(*(pFrame->pwCapInfo)); |
| |
| return; |
| } |
| |
| |
| |
| /*+ |
| * |
| * Routine Description: |
| * Decode Probe Response |
| * |
| * |
| * Return Value: |
| * None. |
| * |
| -*/ |
| |
| VOID |
| vMgrDecodeProbeResponse( |
| IN PWLAN_FR_PROBERESP pFrame |
| ) |
| { |
| PWLAN_IE pItem; |
| |
| |
| pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; |
| |
| // Fixed Fields |
| pFrame->pqwTimestamp = (PQWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_PROBERESP_OFF_TS); |
| pFrame->pwBeaconInterval = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_PROBERESP_OFF_BCN_INT); |
| pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_PROBERESP_OFF_CAP_INFO); |
| |
| // Information elements |
| pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_PROBERESP_OFF_SSID); |
| |
| while( ((PBYTE)pItem) < (pFrame->pBuf + pFrame->len) ) { |
| switch (pItem->byElementID) { |
| case WLAN_EID_SSID: |
| if (pFrame->pSSID == NULL) |
| pFrame->pSSID = (PWLAN_IE_SSID)pItem; |
| break; |
| case WLAN_EID_SUPP_RATES: |
| if (pFrame->pSuppRates == NULL) |
| pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)pItem; |
| break; |
| case WLAN_EID_FH_PARMS: |
| break; |
| case WLAN_EID_DS_PARMS: |
| if (pFrame->pDSParms == NULL) |
| pFrame->pDSParms = (PWLAN_IE_DS_PARMS)pItem; |
| break; |
| case WLAN_EID_CF_PARMS: |
| if (pFrame->pCFParms == NULL) |
| pFrame->pCFParms = (PWLAN_IE_CF_PARMS)pItem; |
| break; |
| case WLAN_EID_IBSS_PARMS: |
| if (pFrame->pIBSSParms == NULL) |
| pFrame->pIBSSParms = (PWLAN_IE_IBSS_PARMS)pItem; |
| break; |
| |
| case WLAN_EID_RSN: |
| if (pFrame->pRSN == NULL) { |
| pFrame->pRSN = (PWLAN_IE_RSN)pItem; |
| } |
| break; |
| case WLAN_EID_RSN_WPA: |
| if (pFrame->pRSNWPA == NULL) { |
| if (WPAb_Is_RSN((PWLAN_IE_RSN_EXT)pItem) == TRUE) |
| pFrame->pRSNWPA = (PWLAN_IE_RSN_EXT)pItem; |
| } |
| break; |
| case WLAN_EID_ERP: |
| if (pFrame->pERP == NULL) |
| pFrame->pERP = (PWLAN_IE_ERP)pItem; |
| break; |
| case WLAN_EID_EXTSUPP_RATES: |
| if (pFrame->pExtSuppRates == NULL) |
| pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem; |
| break; |
| |
| case WLAN_EID_COUNTRY: //7 |
| if (pFrame->pIE_Country == NULL) |
| pFrame->pIE_Country = (PWLAN_IE_COUNTRY)pItem; |
| break; |
| |
| case WLAN_EID_PWR_CONSTRAINT: //32 |
| if (pFrame->pIE_PowerConstraint == NULL) |
| pFrame->pIE_PowerConstraint = (PWLAN_IE_PW_CONST)pItem; |
| break; |
| |
| case WLAN_EID_CH_SWITCH: //37 |
| if (pFrame->pIE_CHSW == NULL) |
| pFrame->pIE_CHSW = (PWLAN_IE_CH_SW)pItem; |
| break; |
| |
| case WLAN_EID_QUIET: //40 |
| if (pFrame->pIE_Quiet == NULL) |
| pFrame->pIE_Quiet = (PWLAN_IE_QUIET)pItem; |
| break; |
| |
| case WLAN_EID_IBSS_DFS: |
| if (pFrame->pIE_IBSSDFS == NULL) |
| pFrame->pIE_IBSSDFS = (PWLAN_IE_IBSS_DFS)pItem; |
| break; |
| |
| default: |
| DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Bad EID=%dd in proberesp\n", pItem->byElementID); |
| break; |
| } |
| |
| pItem = (PWLAN_IE)(((PBYTE)pItem) + 2 + pItem->len); |
| } |
| return; |
| } |
| |
| |
| /*+ |
| * |
| * Routine Description: |
| * Encode Authentication frame |
| * |
| * |
| * Return Value: |
| * None. |
| * |
| -*/ |
| |
| VOID |
| vMgrEncodeAuthen( |
| IN PWLAN_FR_AUTHEN pFrame |
| ) |
| { |
| pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; |
| |
| // Fixed Fields |
| pFrame->pwAuthAlgorithm = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_AUTHEN_OFF_AUTH_ALG); |
| pFrame->pwAuthSequence = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_AUTHEN_OFF_AUTH_SEQ); |
| pFrame->pwStatus = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_AUTHEN_OFF_STATUS); |
| pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_AUTHEN_OFF_STATUS + sizeof(*(pFrame->pwStatus)); |
| |
| return; |
| } |
| |
| |
| /*+ |
| * |
| * Routine Description: |
| * Decode Authentication |
| * |
| * |
| * Return Value: |
| * None. |
| * |
| -*/ |
| |
| VOID |
| vMgrDecodeAuthen( |
| IN PWLAN_FR_AUTHEN pFrame |
| ) |
| { |
| PWLAN_IE pItem; |
| |
| pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; |
| |
| // Fixed Fields |
| pFrame->pwAuthAlgorithm = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_AUTHEN_OFF_AUTH_ALG); |
| pFrame->pwAuthSequence = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_AUTHEN_OFF_AUTH_SEQ); |
| pFrame->pwStatus = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_AUTHEN_OFF_STATUS); |
| |
| // Information elements |
| pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_AUTHEN_OFF_CHALLENGE); |
| |
| if ((((PBYTE)pItem) < (pFrame->pBuf + pFrame->len)) && (pItem->byElementID == WLAN_EID_CHALLENGE)) { |
| pFrame->pChallenge = (PWLAN_IE_CHALLENGE)pItem; |
| } |
| |
| return; |
| } |
| |
| |
| /*+ |
| * |
| * Routine Description: |
| * Encode Authentication |
| * |
| * |
| * Return Value: |
| * None. |
| * |
| -*/ |
| |
| VOID |
| vMgrEncodeDeauthen( |
| IN PWLAN_FR_DEAUTHEN pFrame |
| ) |
| { |
| pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; |
| |
| // Fixed Fields |
| pFrame->pwReason = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_DEAUTHEN_OFF_REASON); |
| pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_DEAUTHEN_OFF_REASON + sizeof(*(pFrame->pwReason)); |
| |
| return; |
| } |
| |
| |
| /*+ |
| * |
| * Routine Description: |
| * Decode Deauthentication |
| * |
| * |
| * Return Value: |
| * None. |
| * |
| -*/ |
| |
| VOID |
| vMgrDecodeDeauthen( |
| IN PWLAN_FR_DEAUTHEN pFrame |
| ) |
| { |
| pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; |
| |
| // Fixed Fields |
| pFrame->pwReason = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_DEAUTHEN_OFF_REASON); |
| |
| return; |
| } |
| |
| |
| /*+ |
| * |
| * Routine Description: (AP) |
| * Encode Reassociation Response |
| * |
| * |
| * Return Value: |
| * None. |
| * |
| -*/ |
| |
| VOID |
| vMgrEncodeReassocResponse( |
| IN PWLAN_FR_REASSOCRESP pFrame |
| ) |
| { |
| pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; |
| |
| // Fixed Fields |
| pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_REASSOCRESP_OFF_CAP_INFO); |
| pFrame->pwStatus = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_REASSOCRESP_OFF_STATUS); |
| pFrame->pwAid = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_REASSOCRESP_OFF_AID); |
| |
| pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_REASSOCRESP_OFF_AID + sizeof(*(pFrame->pwAid)); |
| |
| return; |
| } |
| |
| |
| /*+ |
| * |
| * Routine Description: |
| * Decode Reassociation Response |
| * |
| * |
| * Return Value: |
| * None. |
| * |
| -*/ |
| |
| |
| VOID |
| vMgrDecodeReassocResponse( |
| IN PWLAN_FR_REASSOCRESP pFrame |
| ) |
| { |
| PWLAN_IE pItem; |
| |
| pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; |
| |
| // Fixed Fields |
| pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_REASSOCRESP_OFF_CAP_INFO); |
| pFrame->pwStatus = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_REASSOCRESP_OFF_STATUS); |
| pFrame->pwAid = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_REASSOCRESP_OFF_AID); |
| |
| //Information elements |
| pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
| + WLAN_REASSOCRESP_OFF_SUPP_RATES); |
| |
| pItem = (PWLAN_IE)(pFrame->pSuppRates); |
| pItem = (PWLAN_IE)(((PBYTE)pItem) + 2 + pItem->len); |
| |
| if ((((PBYTE)pItem) < (pFrame->pBuf + pFrame->len)) && (pItem->byElementID == WLAN_EID_EXTSUPP_RATES)) { |
| pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem; |
| } |
| return; |
| } |
