/* *************************************************************************** * Ralink Tech Inc. * 4F, No. 2 Technology 5th Rd. * Science-based Industrial Park * Hsin-chu, Taiwan, R.O.C. * * (c) Copyright 2002-2004, Ralink Technology, Inc. * * All rights reserved. Ralink's source code is an unpublished work and the * use of a copyright notice does not imply otherwise. This source code * contains confidential trade secret material of Ralink Tech. Any attemp * or participation in deciphering, decoding, reverse engineering or in any * way altering the source code is stricitly prohibited, unless the prior * written consent of Ralink Technology, Inc. is obtained. *************************************************************************** Module Name: wpa.c Abstract: Revision History: Who When What -------- ---------- ---------------------------------------------- Jan Lee 03-07-22 Initial Paul Lin 03-11-28 Modify for supplicant */ #include "rt_config.h" /* WPA OUI*/ UCHAR OUI_WPA[3] = {0x00, 0x50, 0xF2}; UCHAR OUI_WPA_NONE_AKM[4] = {0x00, 0x50, 0xF2, 0x00}; UCHAR OUI_WPA_VERSION[4] = {0x00, 0x50, 0xF2, 0x01}; UCHAR OUI_WPA_WEP40[4] = {0x00, 0x50, 0xF2, 0x01}; UCHAR OUI_WPA_TKIP[4] = {0x00, 0x50, 0xF2, 0x02}; UCHAR OUI_WPA_CCMP[4] = {0x00, 0x50, 0xF2, 0x04}; UCHAR OUI_WPA_WEP104[4] = {0x00, 0x50, 0xF2, 0x05}; UCHAR OUI_WPA_8021X_AKM[4] = {0x00, 0x50, 0xF2, 0x01}; UCHAR OUI_WPA_PSK_AKM[4] = {0x00, 0x50, 0xF2, 0x02}; /* WPA2 OUI*/ UCHAR OUI_WPA2[3] = {0x00, 0x0F, 0xAC}; UCHAR OUI_WPA2_NONE[4] = {0x00, 0x0F, 0xAC, 0x00}; UCHAR OUI_WPA2_WEP40[4] = {0x00, 0x0F, 0xAC, 0x01}; UCHAR OUI_WPA2_TKIP[4] = {0x00, 0x0F, 0xAC, 0x02}; UCHAR OUI_WPA2_CCMP[4] = {0x00, 0x0F, 0xAC, 0x04}; UCHAR OUI_WPA2_8021X_AKM[4] = {0x00, 0x0F, 0xAC, 0x01}; UCHAR OUI_WPA2_PSK_AKM[4] = {0x00, 0x0F, 0xAC, 0x02}; UCHAR OUI_WPA2_WEP104[4] = {0x00, 0x0F, 0xAC, 0x05}; UCHAR OUI_WPA2_1X_SHA256[4] = {0x00, 0x0F, 0xAC, 0x05}; UCHAR OUI_WPA2_PSK_SHA256[4] = {0x00, 0x0F, 0xAC, 0x06}; /*WPA3 OUI*/ #ifdef WPA3_SUPPORT UCHAR OUI_WPA3_SAE_AKM[4] = {0x00, 0x0F, 0xAC, 0x08}; UCHAR OUI_WPA3_1X_SUITEB_AKM[4] = {0x00, 0x0F, 0xAC, 0x0B}; UCHAR OUI_WPA3_1X_SUITEB192_AKM[4] = {0x00, 0x0F, 0xAC, 0x0C}; UCHAR OUI_WPA3_OWE_AKM[4] = {0x00, 0x0F, 0xAC, 0x12}; #endif #ifdef MESH_SUPPORT /* IEEE 802.11s OUI*/ UCHAR OUI_MSA_8021X_AKM[4] = {0x00, 0x0F, 0xAC, 0x05}; /* Not yet final - IEEE 802.11s-D1.06*/ UCHAR OUI_MSA_PSK_AKM[4] = {0x00, 0x0F, 0xAC, 0x06}; /* Not yet final - IEEE 802.11s-D1.06*/ #ifdef WPA3_SUPPORT UCHAR OUI_MSA_SAE_AKM[4] = {0x00, 0x0F, 0xAC, 0x08}; /* Not yet final - IEEE 802.11s-D1.06*/ #endif #endif /* MESH_SUPPORT */ #ifdef DOT11R_FT_SUPPORT UCHAR OUI_FT_8021X_AKM[4] = {0x00, 0x0F, 0xAC, 0x03}; UCHAR OUI_FT_PSK_AKM[4] = {0x00, 0x0F, 0xAC, 0x04}; #ifdef WPA3_SUPPORT UCHAR OUI_FT_SAE_AKM[4] = {0x00, 0x0F, 0xAC, 0x08}; #endif #endif /* DOT11R_FT_SUPPORT */ #ifdef CONFIG_HOTSPOT_R2 UCHAR OSEN_IE[] = {0x50,0x6f,0x9a,0x12,0x00,0x0f,0xac,0x07,0x01,0x00,0x00,0x0f,0xac,0x04,0x01,0x00,0x50,0x6f,0x9a,0x01,0x00,0x00}; UCHAR OSEN_IELEN = sizeof(OSEN_IE); #endif static VOID ConstructEapolKeyData( IN PMAC_TABLE_ENTRY pEntry, IN UCHAR GroupKeyWepStatus, IN UCHAR keyDescVer, IN UCHAR MsgType, IN UCHAR DefaultKeyIdx, IN UCHAR *GTK, IN UCHAR *RSNIE, IN UCHAR RSNIE_LEN, OUT PEAPOL_PACKET pMsg); static VOID WpaEAPPacketAction( IN PRTMP_ADAPTER pAd, IN MLME_QUEUE_ELEM *Elem); static VOID WpaEAPOLASFAlertAction( IN PRTMP_ADAPTER pAd, IN MLME_QUEUE_ELEM *Elem); static VOID WpaEAPOLLogoffAction( IN PRTMP_ADAPTER pAd, IN MLME_QUEUE_ELEM *Elem); static VOID WpaEAPOLStartAction( IN PRTMP_ADAPTER pAd, IN MLME_QUEUE_ELEM *Elem); static VOID WpaEAPOLKeyAction( IN PRTMP_ADAPTER pAd, IN MLME_QUEUE_ELEM *Elem); /* ========================================================================== Description: association state machine init, including state transition and timer init Parameters: S - pointer to the association state machine ========================================================================== */ VOID WpaStateMachineInit( IN PRTMP_ADAPTER pAd, IN STATE_MACHINE *S, OUT STATE_MACHINE_FUNC Trans[]) { StateMachineInit(S, (STATE_MACHINE_FUNC *)Trans, MAX_WPA_PTK_STATE, MAX_WPA_MSG, (STATE_MACHINE_FUNC)Drop, WPA_PTK, WPA_MACHINE_BASE); StateMachineSetAction(S, WPA_PTK, MT2_EAPPacket, (STATE_MACHINE_FUNC)WpaEAPPacketAction); StateMachineSetAction(S, WPA_PTK, MT2_EAPOLStart, (STATE_MACHINE_FUNC)WpaEAPOLStartAction); StateMachineSetAction(S, WPA_PTK, MT2_EAPOLLogoff, (STATE_MACHINE_FUNC)WpaEAPOLLogoffAction); StateMachineSetAction(S, WPA_PTK, MT2_EAPOLKey, (STATE_MACHINE_FUNC)WpaEAPOLKeyAction); StateMachineSetAction(S, WPA_PTK, MT2_EAPOLASFAlert, (STATE_MACHINE_FUNC)WpaEAPOLASFAlertAction); } /* ========================================================================== Description: this is state machine function. When receiving EAP packets which is for 802.1x authentication use. Not use in PSK case Return: ========================================================================== */ VOID WpaEAPPacketAction( IN PRTMP_ADAPTER pAd, IN MLME_QUEUE_ELEM *Elem) { } VOID WpaEAPOLASFAlertAction( IN PRTMP_ADAPTER pAd, IN MLME_QUEUE_ELEM *Elem) { } VOID WpaEAPOLLogoffAction( IN PRTMP_ADAPTER pAd, IN MLME_QUEUE_ELEM *Elem) { } /* ========================================================================== Description: Start 4-way HS when rcv EAPOL_START which may create by our driver in assoc.c Return: ========================================================================== */ VOID WpaEAPOLStartAction( IN PRTMP_ADAPTER pAd, IN MLME_QUEUE_ELEM *Elem) { MAC_TABLE_ENTRY *pEntry; STA_TR_ENTRY *tr_entry; PHEADER_802_11 pHeader; #ifdef CONFIG_STA_SUPPORT #ifdef ADHOC_WPA2PSK_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { if (ADHOC_ON(pAd)) { Adhoc_WpaEAPOLStartAction(pAd, Elem); return; } } #endif /* ADHOC_WPA2PSK_SUPPORT */ #endif /* CONFIG_STA_SUPPORT */ DBGPRINT(RT_DEBUG_TRACE, ("WpaEAPOLStartAction ===> \n")); pHeader = (PHEADER_802_11)Elem->Msg; /*For normaol PSK, we enqueue an EAPOL-Start command to trigger the process.*/ if (Elem->MsgLen == 6) pEntry = MacTableLookup(pAd, Elem->Msg); else { pEntry = MacTableLookup(pAd, pHeader->Addr2); #ifdef WSC_AP_SUPPORT /* a WSC enabled AP must ignore EAPOL-Start frames received from clients that associated to the AP with an RSN IE or SSN IE indicating a WPA2-PSK/WPA-PSK authentication method in the assication request. <> */ if (pEntry && (pEntry->func_tb_idx == MAIN_MBSSID) && (pAd->ApCfg.MBSSID[pEntry->func_tb_idx].WscControl.WscConfMode != WSC_DISABLE) && ((pEntry->AuthMode == Ndis802_11AuthModeWPAPSK) || (pEntry->AuthMode == Ndis802_11AuthModeWPA2PSK) #ifdef WPA3_SUPPORT || (pEntry->AuthMode == Ndis802_11AuthModeWPA3SAE) #endif ) && pEntry->bWscCapable) { DBGPRINT(RT_DEBUG_TRACE, ("WPS enabled AP: Ignore EAPOL-Start frames received from clients.\n")); return; } #endif /* WSC_AP_SUPPORT */ } if (pEntry) { tr_entry = &pAd->MacTab.tr_entry[pEntry->wcid]; DBGPRINT(RT_DEBUG_TRACE, (" PortSecured(%d), WpaState(%d), AuthMode(%d), PMKID_CacheIdx(%d) \n", tr_entry->PortSecured, pEntry->WpaState, pEntry->AuthMode, pEntry->PMKID_CacheIdx)); if ((tr_entry->PortSecured == WPA_802_1X_PORT_NOT_SECURED) && (pEntry->WpaState < AS_PTKSTART) && ((pEntry->AuthMode == Ndis802_11AuthModeWPAPSK) || (pEntry->AuthMode == Ndis802_11AuthModeWPA2PSK) #ifdef WPA3_SUPPORT || (pEntry->AuthMode == Ndis802_11AuthModeWPA3SAE) #endif || ((pEntry->AuthMode == Ndis802_11AuthModeWPA2) && (pEntry->PMKID_CacheIdx != ENTRY_NOT_FOUND)))) { pEntry->PrivacyFilter = Ndis802_11PrivFilter8021xWEP; pEntry->WpaState = AS_INITPSK; tr_entry->PortSecured = WPA_802_1X_PORT_NOT_SECURED; NdisZeroMemory(pEntry->R_Counter, sizeof(pEntry->R_Counter)); pEntry->ReTryCounter = PEER_MSG1_RETRY_TIMER_CTR; WPAStart4WayHS(pAd, pEntry, PEER_MSG1_RETRY_EXEC_INTV); } } } /* ========================================================================== Description: This is state machine function. When receiving EAPOL packets which is for 802.1x key management. Use both in WPA, and WPAPSK case. In this function, further dispatch to different functions according to the received packet. 3 categories are : 1. normal 4-way pairwisekey and 2-way groupkey handshake 2. MIC error (Countermeasures attack) report packet from STA. 3. Request for pairwise/group key update from STA Return: ========================================================================== */ VOID WpaEAPOLKeyAction( IN PRTMP_ADAPTER pAd, IN MLME_QUEUE_ELEM *Elem) { MAC_TABLE_ENTRY *pEntry; STA_TR_ENTRY *tr_entry; PHEADER_802_11 pHeader; PEAPOL_PACKET pEapol_packet; KEY_INFO peerKeyInfo; UINT eapol_len; #ifdef MAC_REPEATER_SUPPORT USHORT ifIndex = (USHORT)(Elem->Priv); UCHAR CliIdx = 0xFF; #endif /* MAC_REPEATER_SUPPORT */ #ifdef CONFIG_STA_SUPPORT #ifdef ADHOC_WPA2PSK_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { if (ADHOC_ON(pAd)) { Adhoc_WpaEAPOLKeyAction(pAd, Elem); return; } } #endif /* ADHOC_WPA2PSK_SUPPORT */ #endif /* CONFIG_STA_SUPPORT */ DBGPRINT(RT_DEBUG_INFO, ("WpaEAPOLKeyAction ===>\n")); pHeader = (PHEADER_802_11)Elem->Msg; pEapol_packet = (PEAPOL_PACKET)&Elem->Msg[LENGTH_802_11 + LENGTH_802_1_H]; eapol_len = CONV_ARRARY_TO_UINT16(pEapol_packet->Body_Len) + LENGTH_EAPOL_H; NdisZeroMemory((PUCHAR)&peerKeyInfo, sizeof(peerKeyInfo)); NdisMoveMemory((PUCHAR)&peerKeyInfo, (PUCHAR)&pEapol_packet->KeyDesc.KeyInfo, sizeof(KEY_INFO)); #if 0 hex_dump("Received Eapol frame", (unsigned char *)pEapol_packet, (Elem->MsgLen - LENGTH_802_11 - LENGTH_802_1_H)); #endif *((USHORT *)&peerKeyInfo) = cpu2le16(*((USHORT *)&peerKeyInfo)); #ifdef MAC_REPEATER_SUPPORT if (ifIndex >= 64) { CliIdx = ((ifIndex - 64) % 16); ifIndex = ((ifIndex - 64) / 16); } #endif /* MAC_REPEATER_SUPPORT */ do { #ifdef MAC_REPEATER_SUPPORT if (CliIdx != 0xFF) pEntry = &pAd->MacTab.Content[pAd->ApCfg.ApCliTab[ifIndex].RepeaterCli[CliIdx].MacTabWCID]; else #endif /* MAC_REPEATER_SUPPORT */ pEntry = MacTableLookup(pAd, pHeader->Addr2); if (!pEntry || (!IS_ENTRY_CLIENT(pEntry) && !IS_ENTRY_APCLI(pEntry))) break; if (pEntry->AuthMode < Ndis802_11AuthModeWPA) break; tr_entry = &pAd->MacTab.tr_entry[pEntry->wcid]; DBGPRINT(RT_DEBUG_TRACE, ("Receive EAPoL-Key frame from STA %02X-%02X-%02X-%02X-%02X-%02X\n", PRINT_MAC(pEntry->Addr))); if (eapol_len > Elem->MsgLen - LENGTH_802_11 - LENGTH_802_1_H) { DBGPRINT(RT_DEBUG_ERROR, ("The length of EAPoL packet is invalid \n")); break; } if (((pEapol_packet->ProVer != EAPOL_VER) && (pEapol_packet->ProVer != EAPOL_VER2)) || ((pEapol_packet->KeyDesc.Type != WPA1_KEY_DESC) && (pEapol_packet->KeyDesc.Type != WPA2_KEY_DESC))) { DBGPRINT(RT_DEBUG_ERROR, ("Key descripter does not match with WPA rule\n")); break; } #ifdef DOT11R_FT_SUPPORT /* The value 3 shall be used for all EAPOL-Key frames to and from a STA when the negotiated */ /* AKM is 00-0F-AC:3 or 00-0F-AC:4. It is a FT STA. */ if (IS_FT_RSN_STA(pEntry)) { if (peerKeyInfo.KeyDescVer != KEY_DESC_EXT) { DBGPRINT(RT_DEBUG_ERROR, ("Key descripter version(%d) not match(FT) \n", peerKeyInfo.KeyDescVer)); break; } } else #endif /* DOT11R_FT_SUPPORT */ /* The value 1 shall be used for all EAPOL-Key frames to and from a STA when */ /* neither the group nor pairwise ciphers are CCMP for Key Descriptor 1.*/ if ((pEntry->WepStatus == Ndis802_11TKIPEnable) && (peerKeyInfo.KeyDescVer != KEY_DESC_TKIP)) { DBGPRINT(RT_DEBUG_ERROR, ("Key descripter version not match(TKIP) \n")); break; } #ifdef DOT11W_PMF_SUPPORT else if (CLIENT_STATUS_TEST_FLAG(pEntry, fCLIENT_STATUS_USE_SHA256) && (peerKeyInfo.KeyDescVer != KEY_DESC_EXT)) { DBGPRINT(RT_DEBUG_ERROR, ("Key descripter version not match(AES-128)\n")); } #endif /* DOT11W_PMF_SUPPORT */ /* The value 2 shall be used for all EAPOL-Key frames to and from a STA when */ /* either the pairwise or the group cipher is AES-CCMP for Key Descriptor 2 or 3.*/ else if ((pEntry->WepStatus == Ndis802_11AESEnable) && (peerKeyInfo.KeyDescVer != KEY_DESC_AES) && (peerKeyInfo.KeyDescVer != KEY_DESC_EXT) #ifdef CONFIG_HOTSPOT_R2 && (peerKeyInfo.KeyDescVer != KEY_DESC_OSEN) #endif ) { DBGPRINT(RT_DEBUG_ERROR, ("Key descripter version not match(AES) pEntry->WepStatus=%d, peerKeyInfo.KeyDescVer=%d\n", pEntry->WepStatus, peerKeyInfo.KeyDescVer)); break; } /* Check if this STA is in class 3 state and the WPA state is started */ if ((pEntry->Sst == SST_ASSOC) && (pEntry->WpaState >= AS_INITPSK)) { /* Check the Key Ack (bit 7) of the Key Information to determine the Authenticator */ /* or not.*/ /* An EAPOL-Key frame that is sent by the Supplicant in response to an EAPOL-*/ /* Key frame from the Authenticator must not have the Ack bit set.*/ if (peerKeyInfo.KeyAck == 1) { /* The frame is snet by Authenticator. */ /* So the Supplicant side shall handle this.*/ if ((peerKeyInfo.Secure == 0) && (peerKeyInfo.Request == 0) && (peerKeyInfo.Error == 0) && (peerKeyInfo.KeyType == PAIRWISEKEY)) { /* Process 1. the message 1 of 4-way HS in WPA or WPA2 EAPOL-Key(0,0,1,0,P,0,0,ANonce,0,DataKD_M1) 2. the message 3 of 4-way HS in WPA EAPOL-Key(0,1,1,1,P,0,KeyRSC,ANonce,MIC,DataKD_M3) */ if (peerKeyInfo.KeyMic == 0) PeerPairMsg1Action(pAd, pEntry, Elem); else PeerPairMsg3Action(pAd, pEntry, Elem); } else if ((peerKeyInfo.Secure == 1) && (peerKeyInfo.KeyMic == 1) && (peerKeyInfo.Request == 0) && (peerKeyInfo.Error == 0)) { /* Process 1. the message 3 of 4-way HS in WPA2 EAPOL-Key(1,1,1,1,P,0,KeyRSC,ANonce,MIC,DataKD_M3) 2. the message 1 of group KS in WPA or WPA2 EAPOL-Key(1,1,1,0,G,0,Key RSC,0, MIC,GTK[N]) */ if (peerKeyInfo.KeyType == PAIRWISEKEY) PeerPairMsg3Action(pAd, pEntry, Elem); else PeerGroupMsg1Action(pAd, pEntry, Elem); } } else { /* The frame is snet by Supplicant.So the Authenticator side shall handle this. */ #ifdef CONFIG_AP_SUPPORT #ifdef QOS_DLS_SUPPORT if ((peerKeyInfo.KeyMic == 1) && (peerKeyInfo.Secure == 1) && (peerKeyInfo.Error == 0) && (peerKeyInfo.KeyType == GROUPKEY) && (pEapol_packet->KeyDesc.KeyDataLen[1] == 12)) { /* This is a ralink proprietary DLS STA-Key processing*/ RTMPHandleSTAKey(pAd, pEntry, Elem); } else #endif /* QOS_DLS_SUPPORT */ if ((peerKeyInfo.KeyMic == 1) && (peerKeyInfo.Request == 1) && (peerKeyInfo.Error == 1)) { /* The Supplicant uses a single Michael MIC Failure Report frame */ /* to report a MIC failure event to the Authenticator. */ /* A Michael MIC Failure Report is an EAPOL-Key frame with */ /* the following Key Information field bits set to 1: */ /* MIC bit, Error bit, Request bit, Secure bit.*/ DBGPRINT(RT_DEBUG_ERROR, ("Received an Michael MIC Failure Report, active countermeasure \n")); RTMP_HANDLE_COUNTER_MEASURE(pAd, pEntry); } else #endif /* CONFIG_AP_SUPPORT */ if ((peerKeyInfo.Request == 0) && (peerKeyInfo.Error == 0) && (peerKeyInfo.KeyMic == 1)) { if (peerKeyInfo.Secure == 0 && peerKeyInfo.KeyType == PAIRWISEKEY) { /* EAPOL-Key(0,1,0,0,P,0,0,SNonce,MIC,Data) Process: 1. message 2 of 4-way HS in WPA or WPA2 2. message 4 of 4-way HS in WPA */ if (CONV_ARRARY_TO_UINT16(pEapol_packet->KeyDesc.KeyDataLen) == 0) PeerPairMsg4Action(pAd, pEntry, Elem); else PeerPairMsg2Action(pAd, pEntry, Elem); } else if (peerKeyInfo.Secure == 1 && peerKeyInfo.KeyType == PAIRWISEKEY) { /* EAPOL-Key(1,1,0,0,P,0,0,0,MIC,0) */ /* Process message 4 of 4-way HS in WPA2*/ PeerPairMsg4Action(pAd, pEntry, Elem); } else if (peerKeyInfo.Secure == 1 && peerKeyInfo.KeyType == GROUPKEY) { /* EAPOL-Key(1,1,0,0,G,0,0,0,MIC,0)*/ /* Process message 2 of Group key HS in WPA or WPA2 */ PeerGroupMsg2Action(pAd, pEntry, &Elem->Msg[LENGTH_802_11], (Elem->MsgLen - LENGTH_802_11)); } } #ifdef CONFIG_AP_SUPPORT else if ((peerKeyInfo.Request == 1) && (peerKeyInfo.Error == 0)) { INT i; UCHAR apidx = pEntry->func_tb_idx; /* Need to check KeyType for groupkey or pairwise key update, refer to 8021i P.114, */ if (peerKeyInfo.KeyType == GROUPKEY) { UINT8 Wcid; BSS_STRUCT *mbss; struct wifi_dev *wdev; DBGPRINT(RT_DEBUG_TRACE, ("REQUEST=1, ERROR=0, update group key\n")); mbss = &pAd->ApCfg.MBSSID[apidx]; wdev = &mbss->wdev; GenRandom(pAd, wdev->bssid, mbss->GNonce); wdev->DefaultKeyId = (wdev->DefaultKeyId == 1) ? 2 : 1; WpaDeriveGTK(mbss->GMK, mbss->GNonce, wdev->bssid, mbss->GTK, LEN_TKIP_GTK); for (i = 0; i < MAX_LEN_OF_MAC_TABLE; i++) { if (IS_ENTRY_CLIENT(&pAd->MacTab.Content[i]) && (pAd->MacTab.Content[i].WpaState == AS_PTKINITDONE) && (pAd->MacTab.Content[i].apidx == apidx)) { pAd->MacTab.Content[i].GTKState = REKEY_NEGOTIATING; WPAStart2WayGroupHS(pAd, &pAd->MacTab.Content[i]); pAd->MacTab.Content[i].ReTryCounter = GROUP_MSG1_RETRY_TIMER_CTR; /* retry timer is set inside WPAStart2WayGroupHS */ //RTMPModTimer(&pAd->MacTab.Content[i].RetryTimer, PEER_MSG3_RETRY_EXEC_INTV); } } /* Get a specific WCID to record this MBSS key attribute */ GET_GroupKey_WCID(pAd, Wcid, apidx); WPAInstallSharedKey(pAd, (UINT8)wdev->GroupKeyWepStatus, apidx, wdev->DefaultKeyId, Wcid, TRUE, mbss->GTK, LEN_TKIP_GTK); } else { DBGPRINT(RT_DEBUG_TRACE, ("REQUEST=1, ERROR= 0, update pairwise key\n")); NdisZeroMemory(&pEntry->PairwiseKey, sizeof(CIPHER_KEY)); /* clear this entry as no-security mode*/ AsicRemovePairwiseKeyEntry(pAd, pEntry->wcid); #ifdef MT_MAC if (pAd->chipCap.hif_type == HIF_MT) CmdProcAddRemoveKey(pAd, 1, pEntry->apidx, 0, pEntry->wcid, PAIRWISEKEYTABLE, &pEntry->PairwiseKey, pEntry->Addr); #endif pEntry->Sst = SST_ASSOC; if (pEntry->AuthMode == Ndis802_11AuthModeWPA || pEntry->AuthMode == Ndis802_11AuthModeWPA2) pEntry->WpaState = AS_INITPMK; else if (pEntry->AuthMode == Ndis802_11AuthModeWPAPSK || pEntry->AuthMode == Ndis802_11AuthModeWPA2PSK #ifdef WPA3_SUPPORT || pEntry->AuthMode == Ndis802_11AuthModeWPA3SAE #endif ) pEntry->WpaState = AS_INITPSK; pEntry->GTKState = REKEY_NEGOTIATING; pEntry->PrivacyFilter = Ndis802_11PrivFilter8021xWEP; pEntry->ReTryCounter = PEER_MSG1_RETRY_TIMER_CTR; tr_entry->PortSecured = WPA_802_1X_PORT_NOT_SECURED; NdisZeroMemory(pEntry->R_Counter, sizeof(pEntry->R_Counter)); WPAStart4WayHS(pAd, pEntry, PEER_MSG1_RETRY_EXEC_INTV); } } #endif /* CONFIG_AP_SUPPORT */ } } }while(FALSE); } /* ======================================================================== Routine Description: Copy frame from waiting queue into relative ring buffer and set appropriate ASIC register to kick hardware encryption before really sent out to air. Arguments: pAd Pointer to our adapter PNDIS_PACKET Pointer to outgoing Ndis frame NumberOfFrag Number of fragment required Return Value: None Note: ======================================================================== */ VOID RTMPToWirelessSta( IN PRTMP_ADAPTER pAd, IN PMAC_TABLE_ENTRY pEntry, IN PUCHAR pHeader802_3, IN UINT HdrLen, IN PUCHAR pData, IN UINT DataLen, IN BOOLEAN bClearFrame) { PNDIS_PACKET pPacket; NDIS_STATUS Status; struct wifi_dev *wdev; if ((!pEntry) || (!IS_ENTRY_CLIENT(pEntry) && !IS_ENTRY_APCLI(pEntry) #if defined(DOT11Z_TDLS_SUPPORT) || defined(CFG_TDLS_SUPPORT) && (!IS_ENTRY_TDLS(pEntry)) #endif /* defined(DOT11Z_TDLS_SUPPORT) || defined(CFG_TDLS_SUPPORT) */ )) return; Status = RTMPAllocateNdisPacket(pAd, &pPacket, pHeader802_3, HdrLen, pData, DataLen); if (Status != NDIS_STATUS_SUCCESS) return; #ifdef RELEASE_EXCLUDE DBGPRINT(RT_DEBUG_INFO,("%s - len=%d, AID=%d, DA=%02x:%02x:%02x:%02x:%02x:%02x\n", __FUNCTION__, HdrLen+DataLen, pEntry->Aid, PRINT_MAC(pHeader802_3))); #endif /* RELEASE_EXCLUDE */ RTMP_SET_PACKET_CLEAR_EAP_FRAME(pPacket, (bClearFrame ? 1 : 0)); #ifdef CONFIG_AP_SUPPORT #ifdef APCLI_SUPPORT if (IS_ENTRY_APCLI(pEntry)) { #ifdef P2P_SUPPORT RTMP_SET_PACKET_OPMODE(pPacket, OPMODE_AP); #endif /* P2P_SUPPORT */ } else #endif /* APCLI_SUPPORT */ #endif /* CONFIG_AP_SUPPORT */ { #ifdef P2P_SUPPORT if (IS_P2P_GO_ENTRY(pEntry)) { RTMP_SET_PACKET_NET_DEVICE_P2P(pPacket, MAIN_MBSSID); RTMP_SET_PACKET_OPMODE(pPacket, OPMODE_AP); } #endif /* P2P_SUPPORT */ } RTMP_SET_PACKET_WCID(pPacket, (UCHAR)pEntry->wcid); // TODO: shiang-usw, fix this! RTMP_SET_PACKET_MOREDATA(pPacket, FALSE); /* send out the packet */ wdev = pEntry->wdev; if (wdev && wdev->tx_pkt_handle) { RTMP_SET_PACKET_WDEV(pPacket, pEntry->wdev->wdev_idx); wdev->tx_pkt_handle(pAd, pPacket); } else { DBGPRINT(RT_DEBUG_ERROR, ("%s():Invalid wdev(%p) or tx_pkt_handle(%p)!\n", __FUNCTION__, wdev, (wdev ? wdev->tx_pkt_handle : NULL))); RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE); } if (!RTMP_TEST_FLAG(pAd, (fRTMP_ADAPTER_BSS_SCAN_IN_PROGRESS | fRTMP_ADAPTER_RESET_IN_PROGRESS))) RTMPDeQueuePacket(pAd, FALSE, NUM_OF_TX_RING, WCID_ALL, MAX_TX_PROCESS); } /* ========================================================================== Description: Check the validity of the received EAPoL frame Return: TRUE if all parameters are OK, FALSE otherwise ========================================================================== */ BOOLEAN PeerWpaMessageSanity( IN PRTMP_ADAPTER pAd, IN PEAPOL_PACKET pMsg, IN ULONG MsgLen, IN UCHAR MsgType, IN MAC_TABLE_ENTRY *pEntry) { UCHAR mic[LEN_KEY_DESC_MIC], digest[80]; /*, KEYDATA[MAX_LEN_OF_RSNIE];*/ UCHAR *KEYDATA = NULL; BOOLEAN bReplayDiff = FALSE; BOOLEAN bWPA2 = FALSE; KEY_INFO EapolKeyInfo; UCHAR GroupKeyIndex = 0; /* allocate memory */ os_alloc_mem(NULL, (UCHAR **)&KEYDATA, MAX_LEN_OF_RSNIE); if (KEYDATA == NULL) { DBGPRINT(RT_DEBUG_ERROR, ("%s: Allocate memory fail!!!\n", __FUNCTION__)); return FALSE; } NdisZeroMemory(mic, sizeof(mic)); NdisZeroMemory(digest, sizeof(digest)); NdisZeroMemory(KEYDATA, MAX_LEN_OF_RSNIE); NdisZeroMemory((PUCHAR)&EapolKeyInfo, sizeof(EapolKeyInfo)); NdisMoveMemory((PUCHAR)&EapolKeyInfo, (PUCHAR)&pMsg->KeyDesc.KeyInfo, sizeof(KEY_INFO)); *((USHORT *)&EapolKeyInfo) = cpu2le16(*((USHORT *)&EapolKeyInfo)); /* Choose WPA2 or not*/ if ((pEntry->AuthMode == Ndis802_11AuthModeWPA2) || (pEntry->AuthMode == Ndis802_11AuthModeWPA2PSK) #ifdef WPA3_SUPPORT || (pEntry->AuthMode == Ndis802_11AuthModeWPA3SAE) #endif ) bWPA2 = TRUE; /* 0. Check MsgType*/ if ((MsgType > EAPOL_GROUP_MSG_2) || (MsgType < EAPOL_PAIR_MSG_1)) { DBGPRINT(RT_DEBUG_ERROR, ("The message type is invalid(%d)! \n", MsgType)); goto LabelErr; } /* 1. Replay counter check */ if (MsgType == EAPOL_PAIR_MSG_1 || MsgType == EAPOL_PAIR_MSG_3 || MsgType == EAPOL_GROUP_MSG_1) /* For supplicant*/ { /* First validate replay counter, only accept message with larger replay counter.*/ /* Let equal pass, some AP start with all zero replay counter*/ UCHAR ZeroReplay[LEN_KEY_DESC_REPLAY]; NdisZeroMemory(ZeroReplay, LEN_KEY_DESC_REPLAY); if ((RTMPCompareMemory(pMsg->KeyDesc.ReplayCounter, pEntry->R_Counter, LEN_KEY_DESC_REPLAY) != 1) && (RTMPCompareMemory(pMsg->KeyDesc.ReplayCounter, ZeroReplay, LEN_KEY_DESC_REPLAY) != 0)) { bReplayDiff = TRUE; } } else if (MsgType == EAPOL_PAIR_MSG_2 || MsgType == EAPOL_PAIR_MSG_4 || MsgType == EAPOL_GROUP_MSG_2) /* For authenticator*/ { /* check Replay Counter coresponds to MSG from authenticator, otherwise discard*/ if (!NdisEqualMemory(pMsg->KeyDesc.ReplayCounter, pEntry->R_Counter, LEN_KEY_DESC_REPLAY)) { bReplayDiff = TRUE; } } /* Replay Counter different condition*/ if (bReplayDiff) { /* send wireless event - for replay counter different*/ RTMPSendWirelessEvent(pAd, IW_REPLAY_COUNTER_DIFF_EVENT_FLAG, pEntry->Addr, pEntry->wdev->wdev_idx, 0); if (MsgType < EAPOL_GROUP_MSG_1) { DBGPRINT(RT_DEBUG_ERROR, ("Replay Counter Different in pairwise msg %d of 4-way handshake!\n", MsgType)); } else { DBGPRINT(RT_DEBUG_ERROR, ("Replay Counter Different in group msg %d of 2-way handshake!\n", (MsgType - EAPOL_PAIR_MSG_4))); } hex_dump("Receive replay counter ", pMsg->KeyDesc.ReplayCounter, LEN_KEY_DESC_REPLAY); hex_dump("Current replay counter ", pEntry->R_Counter, LEN_KEY_DESC_REPLAY); goto LabelErr; } /* 2. Verify MIC except Pairwise Msg1*/ if (MsgType != EAPOL_PAIR_MSG_1) { UCHAR rcvd_mic[LEN_KEY_DESC_MIC]; UINT eapol_len = CONV_ARRARY_TO_UINT16(pMsg->Body_Len) + 4; /* Record the received MIC for check later*/ NdisMoveMemory(rcvd_mic, pMsg->KeyDesc.KeyMic, LEN_KEY_DESC_MIC); NdisZeroMemory(pMsg->KeyDesc.KeyMic, LEN_KEY_DESC_MIC); if (EapolKeyInfo.KeyDescVer == KEY_DESC_TKIP) /* TKIP*/ { RT_HMAC_MD5(pEntry->PTK, LEN_PTK_KCK, (PUCHAR)pMsg, eapol_len, mic, MD5_DIGEST_SIZE); } else if (EapolKeyInfo.KeyDescVer == KEY_DESC_AES) /* AES */ { RT_HMAC_SHA1(pEntry->PTK, LEN_PTK_KCK, (PUCHAR)pMsg, eapol_len, digest, SHA1_DIGEST_SIZE); NdisMoveMemory(mic, digest, LEN_KEY_DESC_MIC); } else if (EapolKeyInfo.KeyDescVer == KEY_DESC_EXT) /* AES-128 */ { UINT mlen = AES_KEY128_LENGTH; AES_CMAC((PUCHAR)pMsg, eapol_len, pEntry->PTK, LEN_PTK_KCK, mic, &mlen); } else if (EapolKeyInfo.KeyDescVer == KEY_DESC_OSEN) /* AES-128 */ { UINT mlen = AES_KEY128_LENGTH; AES_CMAC((PUCHAR)pMsg, eapol_len, pEntry->PTK, LEN_PTK_KCK, mic, &mlen); { unsigned char *tmp = (unsigned char *)pEntry->PTK; int k=0; DBGPRINT(RT_DEBUG_OFF, ("PTK=>")); for(k=0;k<32;k++) DBGPRINT(RT_DEBUG_OFF, ("%02x", *(tmp+k))); DBGPRINT(RT_DEBUG_OFF, ("\n")); } } #if 0 //JERRY { int k=0; printk("mic="); for(k=0;kAddr, pEntry->wdev->wdev_idx, 0); if (MsgType < EAPOL_GROUP_MSG_1) { DBGPRINT(RT_DEBUG_ERROR, ("MIC Different in pairwise msg %d of 4-way handshake!\n", MsgType)); } else { DBGPRINT(RT_DEBUG_ERROR, ("MIC Different in group msg %d of 2-way handshake!\n", (MsgType - EAPOL_PAIR_MSG_4))); } hex_dump("Received MIC", rcvd_mic, LEN_KEY_DESC_MIC); hex_dump("Desired MIC", mic, LEN_KEY_DESC_MIC); goto LabelErr; } } /* 1. Decrypt the Key Data field if GTK is included.*/ /* 2. Extract the context of the Key Data field if it exist. */ /* The field in pairwise_msg_2_WPA1(WPA2) & pairwise_msg_3_WPA1 is clear.*/ /* The field in group_msg_1_WPA1(WPA2) & pairwise_msg_3_WPA2 is encrypted.*/ if (CONV_ARRARY_TO_UINT16(pMsg->KeyDesc.KeyDataLen) > 0) { /* Decrypt this field */ if ((MsgType == EAPOL_PAIR_MSG_3 && bWPA2) || (MsgType == EAPOL_GROUP_MSG_1)) { if((EapolKeyInfo.KeyDescVer == KEY_DESC_EXT) || (EapolKeyInfo.KeyDescVer == KEY_DESC_AES)) { UINT aes_unwrap_len = 0; /* AES */ AES_Key_Unwrap(pMsg->KeyDesc.KeyData, CONV_ARRARY_TO_UINT16(pMsg->KeyDesc.KeyDataLen), &pEntry->PTK[LEN_PTK_KCK], LEN_PTK_KEK, KEYDATA, &aes_unwrap_len); SET_UINT16_TO_ARRARY(pMsg->KeyDesc.KeyDataLen, aes_unwrap_len); } else { TKIP_GTK_KEY_UNWRAP(&pEntry->PTK[LEN_PTK_KCK], pMsg->KeyDesc.KeyIv, pMsg->KeyDesc.KeyData, CONV_ARRARY_TO_UINT16(pMsg->KeyDesc.KeyDataLen), KEYDATA); } if (!bWPA2 && (MsgType == EAPOL_GROUP_MSG_1)) GroupKeyIndex = EapolKeyInfo.KeyIndex; } else if ((MsgType == EAPOL_PAIR_MSG_2) || (MsgType == EAPOL_PAIR_MSG_3 && !bWPA2)) { NdisMoveMemory(KEYDATA, pMsg->KeyDesc.KeyData, CONV_ARRARY_TO_UINT16(pMsg->KeyDesc.KeyDataLen)); } else { #ifdef RELEASE_EXCLUDE DBGPRINT(RT_DEBUG_INFO, ("The Key Data Length should be zero !!!\n")); #endif /* RELEASE_EXCLUDE */ goto LabelOK; } /* Parse Key Data field to */ /* 1. verify RSN IE for pairwise_msg_2_WPA1(WPA2) ,pairwise_msg_3_WPA1(WPA2)*/ /* 2. verify KDE format for pairwise_msg_3_WPA2, group_msg_1_WPA2*/ /* 3. update shared key for pairwise_msg_3_WPA2, group_msg_1_WPA1(WPA2)*/ if (!RTMPParseEapolKeyData(pAd, KEYDATA, CONV_ARRARY_TO_UINT16(pMsg->KeyDesc.KeyDataLen), GroupKeyIndex, MsgType, bWPA2, pEntry)) { goto LabelErr; } } LabelOK: if (KEYDATA != NULL) os_free_mem(NULL, KEYDATA); return TRUE; LabelErr: if (KEYDATA != NULL) os_free_mem(NULL, KEYDATA); return FALSE; } /* ========================================================================== Description: This is a function to initilize 4-way handshake Return: ========================================================================== */ VOID WPAStart4WayHS( IN PRTMP_ADAPTER pAd, IN MAC_TABLE_ENTRY *pEntry, IN ULONG TimeInterval) { UCHAR *mpool; PEAPOL_PACKET pEapolFrame; PUINT8 pBssid = NULL; UCHAR group_cipher = Ndis802_11WEPDisabled; STA_TR_ENTRY *tr_entry; UCHAR Header802_3[14]; //struct wifi_dev *wdev; #ifdef CONFIG_AP_SUPPORT BSS_STRUCT *pMbss; #endif /* CONFIG_AP_SUPPORT */ #ifdef CONFIG_STA_SUPPORT #ifdef ADHOC_WPA2PSK_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { if (ADHOC_ON(pAd)) { Adhoc_WpaStart4WayHS(pAd, pEntry, TimeInterval); return; } } #endif /* ADHOC_WPA2PSK_SUPPORT */ #endif /* CONFIG_STA_SUPPORT */ DBGPRINT(RT_DEBUG_TRACE, ("===> WPAStart4WayHS\n")); if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_RESET_IN_PROGRESS | fRTMP_ADAPTER_HALT_IN_PROGRESS)) { DBGPRINT(RT_DEBUG_ERROR, ("[ERROR]WPAStart4WayHS : The interface is closed...\n")); return; } #ifdef CONFIG_AP_SUPPORT #ifdef P2P_SUPPORT if (P2P_GO_ON(pAd)) #else IF_DEV_CONFIG_OPMODE_ON_AP(pAd) #endif /* P2P_SUPPORT */ { if ((!pEntry) || !IS_ENTRY_CLIENT(pEntry)) { DBGPRINT(RT_DEBUG_ERROR, ("[ERROR]WPAStart4WayHS : The entry doesn't exist.\n")); return; } pMbss = (BSS_STRUCT *)pEntry->wdev->func_dev; //wdev = pEntry->wdev; if (pEntry->wdev != &pMbss->wdev) { DBGPRINT(RT_DEBUG_ERROR, ("[ERROR]WPAStart4WayHS : cannot get binding wdev(%p).\n", pEntry->wdev)); return; } /* pointer to the corresponding position*/ pBssid = pMbss->wdev.bssid; group_cipher = (UCHAR)pMbss->wdev.GroupKeyWepStatus; } #endif /* CONFIG_AP_SUPPORT */ if (pBssid == NULL) { DBGPRINT(RT_DEBUG_ERROR, ("[ERROR]WPAStart4WayHS : No corresponding Authenticator.\n")); return; } /* Check the status*/ if ((pEntry->WpaState > AS_PTKSTART) || (pEntry->WpaState < AS_INITPMK)) { DBGPRINT(RT_DEBUG_ERROR, ("[ERROR]WPAStart4WayHS : Not expect calling\n")); return; } /* Clear FragBuffer to avoid Frag Attack */ if (pAd->FragFrame.wcid == pEntry->wcid) { DBGPRINT(RT_DEBUG_OFF, ("%s: Clear Wcid = %d FragBuffer !!!!!\n", __func__, pEntry->wcid)); RESET_FRAGFRAME(pAd->FragFrame); } #ifdef WSC_AP_SUPPORT if (MAC_ADDR_EQUAL(pEntry->Addr, pMbss->WscControl.EntryAddr) && pMbss->WscControl.EapMsgRunning) { pEntry->WpaState = AS_NOTUSE; DBGPRINT(RT_DEBUG_ERROR, ("This is a WSC-Enrollee. Not expect calling WPAStart4WayHS here \n")); return; } #endif /* WSC_AP_SUPPORT */ /* Increment replay counter by 1*/ ADD_ONE_To_64BIT_VAR(pEntry->R_Counter); /* Randomly generate ANonce */ GenRandom(pAd, (UCHAR *)pBssid, pEntry->ANonce); /* Allocate memory for output*/ os_alloc_mem(NULL, (PUCHAR *)&mpool, TX_EAPOL_BUFFER); if (mpool == NULL) { DBGPRINT(RT_DEBUG_ERROR, ("!!!%s : no memory!!!\n", __FUNCTION__)); return; } pEapolFrame = (PEAPOL_PACKET)mpool; NdisZeroMemory(pEapolFrame, TX_EAPOL_BUFFER); /* Construct EAPoL message - Pairwise Msg 1*/ /* EAPOL-Key(0,0,1,0,P,0,0,ANonce,0,DataKD_M1) */ ConstructEapolMsg(pEntry, group_cipher, EAPOL_PAIR_MSG_1, 0, /* Default key index*/ pEntry->ANonce, NULL, /* TxRSC*/ NULL, /* GTK*/ NULL, /* RSNIE*/ 0, /* RSNIE length */ pEapolFrame); #ifdef CONFIG_AP_SUPPORT /* If PMKID match in WPA2-enterprise mode, fill PMKID into Key data field and update PMK here */ if ((pEntry->AuthMode == Ndis802_11AuthModeWPA2) && (pEntry->PMKID_CacheIdx != ENTRY_NOT_FOUND)) { /* Fill in value for KDE */ pEapolFrame->KeyDesc.KeyData[0] = 0xDD; pEapolFrame->KeyDesc.KeyData[2] = 0x00; pEapolFrame->KeyDesc.KeyData[3] = 0x0F; pEapolFrame->KeyDesc.KeyData[4] = 0xAC; pEapolFrame->KeyDesc.KeyData[5] = 0x04; NdisMoveMemory(&pEapolFrame->KeyDesc.KeyData[6], &pMbss->PMKIDCache.BSSIDInfo[pEntry->PMKID_CacheIdx].PMKID, LEN_PMKID); NdisMoveMemory(&pMbss->PMK, &pMbss->PMKIDCache.BSSIDInfo[pEntry->PMKID_CacheIdx].PMK, PMK_LEN); pEapolFrame->KeyDesc.KeyData[1] = 0x14;/* 4+LEN_PMKID*/ INC_UINT16_TO_ARRARY(pEapolFrame->KeyDesc.KeyDataLen, 6 + LEN_PMKID); INC_UINT16_TO_ARRARY(pEapolFrame->Body_Len, 6 + LEN_PMKID); } #ifdef DOT11W_PMF_SUPPORT else if ( #ifdef WPA3_SUPPORT ( #endif (pEntry->AuthMode == Ndis802_11AuthModeWPA2PSK) #ifdef WPA3_SUPPORT || (pEntry->AuthMode == Ndis802_11AuthModeWPA3SAE)) #endif && (CLIENT_STATUS_TEST_FLAG(pEntry, fCLIENT_STATUS_PMF_CAPABLE))) { UCHAR digest[80], PMK_key[20]; PKEY_DESCRIPTER pKeyDesc = &pEapolFrame->KeyDesc; pKeyDesc->KeyData[0] = 0xDD; pKeyDesc->KeyData[2] = 0x00; pKeyDesc->KeyData[3] = 0x0F; pKeyDesc->KeyData[4] = 0xAC; pKeyDesc->KeyData[5] = 0x04; NdisMoveMemory(&PMK_key[0], "PMK Name", 8); NdisMoveMemory(&PMK_key[8], pMbss->wdev.bssid, MAC_ADDR_LEN); NdisMoveMemory(&PMK_key[14], pEntry->Addr, MAC_ADDR_LEN); if (CLIENT_STATUS_TEST_FLAG(pEntry, fCLIENT_STATUS_USE_SHA256)) { DBGPRINT(RT_DEBUG_TRACE, ("[PMF]%s: send Msg1 of 4-way using SHA256\n", __FUNCTION__)); RT_HMAC_SHA256(pMbss->PMK, PMK_LEN, PMK_key, 20, digest, LEN_PMKID); } else { DBGPRINT(RT_DEBUG_TRACE, ("[PMF]%s: send Msg1 of 4-way using SHA1\n", __FUNCTION__)); RT_HMAC_SHA1(pMbss->PMK, PMK_LEN, PMK_key, 20, digest, LEN_PMKID); } NdisMoveMemory(&pKeyDesc->KeyData[6], digest, LEN_PMKID); pKeyDesc->KeyData[1] = 0x14;// 4+LEN_PMKID INC_UINT16_TO_ARRARY(pKeyDesc->KeyDataLen, 6 + LEN_PMKID); INC_UINT16_TO_ARRARY(pEapolFrame->Body_Len, 6 + LEN_PMKID); } #endif /* DOT11W_PMF_SUPPORT */ #endif /* CONFIG_AP_SUPPORT */ /* Make outgoing frame*/ MAKE_802_3_HEADER(Header802_3, pEntry->Addr, pBssid, EAPOL); tr_entry = &pAd->MacTab.tr_entry[pEntry->wcid]; RTMPToWirelessSta(pAd, pEntry, Header802_3, LENGTH_802_3, (PUCHAR)pEapolFrame, CONV_ARRARY_TO_UINT16(pEapolFrame->Body_Len) + 4, (tr_entry->PortSecured == WPA_802_1X_PORT_SECURED) ? FALSE : TRUE); /* Trigger Retry Timer*/ RTMPModTimer(&pEntry->RetryTimer, TimeInterval); /* Update State*/ pEntry->WpaState = AS_PTKSTART; os_free_mem(NULL, mpool); DBGPRINT(RT_DEBUG_TRACE, ("<=== WPAStart4WayHS: send Msg1 of 4-way \n")); } /* ======================================================================== Routine Description: Process Pairwise key Msg-1 of 4-way handshaking and send Msg-2 Arguments: pAd Pointer to our adapter Elem Message body Return Value: None Note: ======================================================================== */ VOID PeerPairMsg1Action( IN PRTMP_ADAPTER pAd, IN MAC_TABLE_ENTRY *pEntry, IN MLME_QUEUE_ELEM *Elem) { UCHAR PTK[80]; UCHAR Header802_3[14]; PEAPOL_PACKET pMsg1; UINT MsgLen; UCHAR *mpool; PEAPOL_PACKET pEapolFrame; PUINT8 pCurrentAddr = NULL; PUINT8 pmk_ptr = NULL; UCHAR group_cipher = Ndis802_11WEPDisabled; PUINT8 rsnie_ptr = NULL; UCHAR rsnie_len = 0; #ifdef MAC_REPEATER_SUPPORT USHORT ifIndex = (USHORT)(Elem->Priv); UCHAR CliIdx = 0xFF; #endif /* MAC_REPEATER_SUPPORT */ DBGPRINT(RT_DEBUG_TRACE, ("===> PeerPairMsg1Action \n")); if ((!pEntry) || (!IS_ENTRY_CLIENT(pEntry) && !IS_ENTRY_APCLI(pEntry))) return; if (Elem->MsgLen < (LENGTH_802_11 + LENGTH_802_1_H + LENGTH_EAPOL_H + MIN_LEN_OF_EAPOL_KEY_MSG)) return; #ifdef CONFIG_AP_SUPPORT IF_DEV_CONFIG_OPMODE_ON_AP(pAd) { #ifdef APCLI_SUPPORT if (IS_ENTRY_APCLI(pEntry)) { UINT IfIndex = 0; IfIndex = pEntry->func_tb_idx; #ifdef MAC_REPEATER_SUPPORT if (ifIndex >= 64) CliIdx = ((ifIndex - 64) % 16); #endif /* MAC_REPEATER_SUPPORT */ if (IfIndex >= MAX_APCLI_NUM) return; #ifdef MAC_REPEATER_SUPPORT if (CliIdx != 0xFF) pCurrentAddr = pAd->ApCfg.ApCliTab[IfIndex].RepeaterCli[CliIdx].CurrentAddress; else #endif /* MAC_REPEATER_SUPPORT */ pCurrentAddr = pAd->ApCfg.ApCliTab[IfIndex].wdev.if_addr; pmk_ptr = pAd->ApCfg.ApCliTab[IfIndex].PMK; group_cipher = (UCHAR)pAd->ApCfg.ApCliTab[IfIndex].GroupCipher; rsnie_ptr = pAd->ApCfg.ApCliTab[IfIndex].RSN_IE; rsnie_len = pAd->ApCfg.ApCliTab[IfIndex].RSNIE_Len; } #endif /* APCLI_SUPPORT */ } #endif /* CONFIG_AP_SUPPORT */ #ifdef CONFIG_STA_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { #ifdef P2P_SUPPORT if (IS_ENTRY_APCLI(pEntry)) { UINT IfIndex = 0; IfIndex = pEntry->func_tb_idx; if (IfIndex >= MAX_APCLI_NUM) return; pCurrentAddr = pAd->ApCfg.ApCliTab[IfIndex].wdev.if_addr; pmk_ptr = pAd->ApCfg.ApCliTab[IfIndex].PMK; group_cipher = pAd->ApCfg.ApCliTab[IfIndex].GroupCipher; rsnie_ptr = pAd->ApCfg.ApCliTab[IfIndex].RSN_IE; rsnie_len = pAd->ApCfg.ApCliTab[IfIndex].RSNIE_Len; } else #endif /* P2P_SUPPORT */ { pCurrentAddr = pAd->CurrentAddress; pmk_ptr = pAd->StaCfg.PMK; group_cipher = (UCHAR)pAd->StaCfg.GroupCipher; rsnie_ptr = pAd->StaCfg.RSN_IE; rsnie_len = pAd->StaCfg.RSNIE_Len; } } #endif /* CONFIG_STA_SUPPORT */ if (pCurrentAddr == NULL) return; /* Store the received frame*/ pMsg1 = (PEAPOL_PACKET) &Elem->Msg[LENGTH_802_11 + LENGTH_802_1_H]; MsgLen = Elem->MsgLen - LENGTH_802_11 - LENGTH_802_1_H; /* Sanity Check peer Pairwise message 1 - Replay Counter*/ if (PeerWpaMessageSanity(pAd, pMsg1, MsgLen, EAPOL_PAIR_MSG_1, pEntry) == FALSE) return; /* Clear FragBuffer to avoid Frag Attack */ if (pAd->FragFrame.wcid == pEntry->wcid) { DBGPRINT(RT_DEBUG_OFF, ("%s: Clear Wcid = %d FragBuffer !!!!!\n", __func__, pEntry->wcid)); RESET_FRAGFRAME(pAd->FragFrame); } /* Store Replay counter, it will use to verify message 3 and construct message 2*/ NdisMoveMemory(pEntry->R_Counter, pMsg1->KeyDesc.ReplayCounter, LEN_KEY_DESC_REPLAY); /* Store ANonce*/ NdisMoveMemory(pEntry->ANonce, pMsg1->KeyDesc.KeyNonce, LEN_KEY_DESC_NONCE); /* Generate random SNonce*/ GenRandom(pAd, (UCHAR *)pCurrentAddr, pEntry->SNonce); #ifdef DOT11R_FT_SUPPORT if (IS_FT_RSN_STA(pEntry)) { #ifdef CONFIG_STA_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { UINT8 ptk_len; FT_DerivePMKR0(pmk_ptr, LEN_PMK, (PUINT8)pAd->CommonCfg.Ssid, pAd->CommonCfg.SsidLen, pAd->StaCfg.Dot11RCommInfo.MdIeInfo.MdId, pAd->StaCfg.Dot11RCommInfo.R0khId, pAd->StaCfg.Dot11RCommInfo.R0khIdLen, pCurrentAddr, pAd->StaCfg.Dot11RCommInfo.PMKR0, pAd->StaCfg.Dot11RCommInfo.PMKR0Name); FT_DerivePMKR1(pAd->StaCfg.Dot11RCommInfo.PMKR0, pAd->StaCfg.Dot11RCommInfo.PMKR0Name, pEntry->Addr, pCurrentAddr, pEntry->FT_PMK_R1, pEntry->FT_PMK_R1_NAME); if (pEntry->WepStatus == Ndis802_11TKIPEnable) ptk_len = 32+32; else ptk_len = 32+16; FT_DerivePTK(pEntry->FT_PMK_R1, pEntry->FT_PMK_R1_NAME, pEntry->ANonce, pEntry->SNonce, pAd->CommonCfg.Bssid, pCurrentAddr, ptk_len, pEntry->PTK, pEntry->PTK_NAME); } #endif /* CONFIG_STA_SUPPORT */ } else #endif /* DOT11R_FT_SUPPORT */ #ifdef DOT11W_PMF_SUPPORT if ((CLIENT_STATUS_TEST_FLAG(pEntry, fCLIENT_STATUS_USE_SHA256))) { PMF_DerivePTK(pAd, (UCHAR *)pmk_ptr, pEntry->ANonce, pEntry->Addr, pEntry->SNonce, pCurrentAddr, PTK, LEN_AES_PTK); /* Must is 48 bytes */ NdisMoveMemory(pEntry->PTK, PTK, LEN_AES_PTK); hex_dump("PTK", PTK, LEN_AES_PTK); } else #endif /* DOT11W_PMF_SUPPORT */ { /* Calculate PTK(ANonce, SNonce)*/ WpaDerivePTK(pAd, pmk_ptr, pEntry->ANonce, pEntry->Addr, pEntry->SNonce, pCurrentAddr, PTK, LEN_PTK); /* Save key to PTK entry*/ NdisMoveMemory(pEntry->PTK, PTK, LEN_PTK); } /* Update WpaState*/ pEntry->WpaState = AS_PTKINIT_NEGOTIATING; /* Allocate memory for output*/ os_alloc_mem(NULL, (PUCHAR *)&mpool, TX_EAPOL_BUFFER); if (mpool == NULL) { DBGPRINT(RT_DEBUG_ERROR, ("!!!%s : no memory!!!\n", __FUNCTION__)); return; } pEapolFrame = (PEAPOL_PACKET)mpool; NdisZeroMemory(pEapolFrame, TX_EAPOL_BUFFER); /* Construct EAPoL message - Pairwise Msg 2*/ /* EAPOL-Key(0,1,0,0,P,0,0,SNonce,MIC,DataKD_M2)*/ ConstructEapolMsg(pEntry, group_cipher, EAPOL_PAIR_MSG_2, 0, /* DefaultKeyIdx*/ pEntry->SNonce, NULL, /* TxRsc*/ NULL, /* GTK*/ (UCHAR *)rsnie_ptr, rsnie_len, pEapolFrame); /* Make outgoing frame*/ MAKE_802_3_HEADER(Header802_3, pEntry->Addr, pCurrentAddr, EAPOL); RTMPToWirelessSta(pAd, pEntry, Header802_3, sizeof(Header802_3), (PUCHAR)pEapolFrame, CONV_ARRARY_TO_UINT16(pEapolFrame->Body_Len) + 4, TRUE); os_free_mem(NULL, mpool); DBGPRINT(RT_DEBUG_TRACE, ("<=== PeerPairMsg1Action: send Msg2 of 4-way \n")); } /* ========================================================================== Description: When receiving the second packet of 4-way pairwisekey handshake. Return: ========================================================================== */ VOID PeerPairMsg2Action( IN PRTMP_ADAPTER pAd, IN MAC_TABLE_ENTRY *pEntry, IN MLME_QUEUE_ELEM *Elem) { UCHAR PTK[80]; BOOLEAN Cancelled; //PHEADER_802_11 pHeader; UCHAR *mpool; PEAPOL_PACKET pEapolFrame; PEAPOL_PACKET pMsg2; UINT MsgLen; UCHAR Header802_3[LENGTH_802_3]; UCHAR TxTsc[6]; PUINT8 pBssid = NULL; PUINT8 pmk_ptr = NULL; PUINT8 gtk_ptr = NULL; UCHAR default_key = 0; UCHAR group_cipher = Ndis802_11WEPDisabled; PUINT8 rsnie_ptr = NULL; UCHAR rsnie_len = 0; #ifdef CONFIG_AP_SUPPORT UCHAR apidx = 0; #endif /* CONFIG_AP_SUPPORT */ STA_TR_ENTRY *tr_entry; DBGPRINT(RT_DEBUG_TRACE, ("===> PeerPairMsg2Action \n")); if ((!pEntry) || !IS_ENTRY_CLIENT(pEntry)) return; if (Elem->MsgLen < (LENGTH_802_11 + LENGTH_802_1_H + LENGTH_EAPOL_H + MIN_LEN_OF_EAPOL_KEY_MSG)) return; /* check Entry in valid State*/ if (pEntry->WpaState < AS_PTKSTART) return; #ifdef CONFIG_AP_SUPPORT #ifdef P2P_SUPPORT if (P2P_GO_ON(pAd)) #else IF_DEV_CONFIG_OPMODE_ON_AP(pAd) #endif /* P2P_SUPPORT */ { struct wifi_dev *wdev; if (pEntry->func_tb_idx >= pAd->ApCfg.BssidNum) return; else apidx = pEntry->func_tb_idx; wdev = &pAd->ApCfg.MBSSID[apidx].wdev; pBssid = wdev->bssid; pmk_ptr = pAd->ApCfg.MBSSID[apidx].PMK; gtk_ptr = pAd->ApCfg.MBSSID[apidx].GTK; group_cipher = (UCHAR)wdev->GroupKeyWepStatus; default_key = wdev->DefaultKeyId; /* Get Group TxTsc form Asic*/ RTMPGetTxTscFromAsic(pAd, apidx, TxTsc); if ((pEntry->AuthMode == Ndis802_11AuthModeWPA) || (pEntry->AuthMode == Ndis802_11AuthModeWPAPSK)) { rsnie_len = pAd->ApCfg.MBSSID[apidx].RSNIE_Len[0]; rsnie_ptr = &pAd->ApCfg.MBSSID[apidx].RSN_IE[0][0]; } else { if ((wdev->AuthMode == Ndis802_11AuthModeWPA1PSKWPA2PSK) || (wdev->AuthMode == Ndis802_11AuthModeWPA1WPA2)) { rsnie_len = pAd->ApCfg.MBSSID[apidx].RSNIE_Len[1]; rsnie_ptr = &pAd->ApCfg.MBSSID[apidx].RSN_IE[1][0]; } else { #ifdef CONFIG_HOTSPOT_R2 if (pAd->ApCfg.MBSSID[apidx].HotSpotCtrl.bASANEnable == 1) { DBGPRINT(RT_DEBUG_OFF, ("choose OSEN\n")); rsnie_len = OSEN_IELEN; rsnie_ptr = OSEN_IE; } else #endif { rsnie_len = pAd->ApCfg.MBSSID[apidx].RSNIE_Len[0]; rsnie_ptr = &pAd->ApCfg.MBSSID[apidx].RSN_IE[0][0]; } } } } #endif /* CONFIG_AP_SUPPORT */ /* pointer to 802.11 header*/ //pHeader = (PHEADER_802_11)Elem->Msg; /* skip 802.11_header(24-byte) and LLC_header(8) */ pMsg2 = (PEAPOL_PACKET)&Elem->Msg[LENGTH_802_11 + LENGTH_802_1_H]; MsgLen = Elem->MsgLen - LENGTH_802_11 - LENGTH_802_1_H; /* Store SNonce*/ NdisMoveMemory(pEntry->SNonce, pMsg2->KeyDesc.KeyNonce, LEN_KEY_DESC_NONCE); #ifdef DOT11R_FT_SUPPORT if (IS_FT_RSN_STA(pEntry)) { #ifdef CONFIG_AP_SUPPORT IF_DEV_CONFIG_OPMODE_ON_AP(pAd) { UINT8 ptk_len; FT_DerivePMKR0(pmk_ptr, LEN_PMK, (PUINT8)pAd->ApCfg.MBSSID[apidx].Ssid, pAd->ApCfg.MBSSID[apidx].SsidLen, pAd->ApCfg.MBSSID[apidx].FtCfg.FtMdId, pAd->ApCfg.MBSSID[apidx].FtCfg.FtR0khId, pAd->ApCfg.MBSSID[apidx].FtCfg.FtR0khIdLen, pEntry->Addr, pEntry->FT_PMK_R0, pEntry->FT_PMK_R0_NAME); FT_DerivePMKR1(pEntry->FT_PMK_R0, pEntry->FT_PMK_R0_NAME, pAd->ApCfg.MBSSID[apidx].Bssid, /* R1KHID*/ pEntry->Addr, /* S1KHID*/ pEntry->FT_PMK_R1, pEntry->FT_PMK_R1_NAME); if (pEntry->WepStatus == Ndis802_11TKIPEnable) ptk_len = 32+32; else ptk_len = 32+16; FT_DerivePTK(pEntry->FT_PMK_R1, pEntry->FT_PMK_R1_NAME, pEntry->ANonce, pEntry->SNonce, pAd->ApCfg.MBSSID[apidx].Bssid, /* Bssid*/ pEntry->Addr, /* sta mac*/ ptk_len, pEntry->PTK, pEntry->PTK_NAME); } #endif /* CONFIG_AP_SUPPORT */ } else #endif /* DOT11R_FT_SUPPORT */ #ifdef DOT11W_PMF_SUPPORT if ((CLIENT_STATUS_TEST_FLAG(pEntry, fCLIENT_STATUS_USE_SHA256))) { PMF_DerivePTK(pAd, (UCHAR *)pmk_ptr, pEntry->ANonce, (UCHAR *)pBssid, pEntry->SNonce, pEntry->Addr, PTK, LEN_AES_PTK); /* Must is 48 bytes */ NdisMoveMemory(pEntry->PTK, PTK, LEN_AES_PTK); hex_dump("PTK", PTK, LEN_AES_PTK); } else #endif /* DOT11W_PMF_SUPPORT */ #ifdef CONFIG_HOTSPOT_R2 if (CLIENT_STATUS_TEST_FLAG(pEntry, fCLIENT_STATUS_OSEN_CAPABLE)) { DBGPRINT(RT_DEBUG_OFF, ("got msg2 derivePTK\n")); PMF_DerivePTK(pAd, (UCHAR *)pmk_ptr, pEntry->ANonce, (UCHAR *)pBssid, pEntry->SNonce, pEntry->Addr, PTK, LEN_AES_PTK); /* Must is 48 bytes */ NdisMoveMemory(pEntry->PTK, PTK, LEN_AES_PTK); hex_dump("PTK", PTK, LEN_AES_PTK); } else #endif /* CONFIG_HOTSPOT_R2 */ { /* Derive PTK*/ if ((pmk_ptr == NULL) || (pBssid == NULL)) { DBGPRINT(RT_DEBUG_ERROR, ("%s: pmk_ptr or pBssid == NULL!\n", __FUNCTION__)); return; } WpaDerivePTK(pAd, (UCHAR *)pmk_ptr, pEntry->ANonce, /* ANONCE*/ (UCHAR *)pBssid, pEntry->SNonce, /* SNONCE*/ pEntry->Addr, PTK, LEN_PTK); NdisMoveMemory(pEntry->PTK, PTK, LEN_PTK); } /* Sanity Check peer Pairwise message 2 - Replay Counter, MIC, RSNIE*/ if (PeerWpaMessageSanity(pAd, pMsg2, MsgLen, EAPOL_PAIR_MSG_2, pEntry) == FALSE) { return; } do { #if defined(CONFIG_HOTSPOT) && defined(CONFIG_AP_SUPPORT) UCHAR HSClientGTK[32]; #endif /* Allocate memory for input*/ os_alloc_mem(NULL, (PUCHAR *)&mpool, TX_EAPOL_BUFFER); if (mpool == NULL) { DBGPRINT(RT_DEBUG_ERROR, ("!!!%s : no memory!!!\n", __FUNCTION__)); return; } pEapolFrame = (PEAPOL_PACKET)mpool; NdisZeroMemory(pEapolFrame, TX_EAPOL_BUFFER); /* delete retry timer*/ RTMPCancelTimer(&pEntry->RetryTimer, &Cancelled); /* Change state*/ pEntry->WpaState = AS_PTKINIT_NEGOTIATING; /* Increment replay counter by 1*/ ADD_ONE_To_64BIT_VAR(pEntry->R_Counter); #if defined(CONFIG_HOTSPOT) && defined(CONFIG_AP_SUPPORT) if (pAd->ApCfg.MBSSID[apidx].HotSpotCtrl.HotSpotEnable && pAd->ApCfg.MBSSID[apidx].HotSpotCtrl.DGAFDisable) { // Radom GTK for hotspot sation client */ GenRandom(pAd, pEntry->Addr, HSClientGTK); gtk_ptr = HSClientGTK; DBGPRINT(RT_DEBUG_OFF, ("%s:Random unique GTK for each mobile device when dgaf disable\n", __FUNCTION__)); hex_dump("GTK", gtk_ptr, 32); } #endif #ifdef MT_MAC if (pAd->chipCap.hif_type == HIF_MT) WPAInstallPairwiseKey(pAd, pEntry->func_tb_idx, pEntry, TRUE); #endif /* Construct EAPoL message - Pairwise Msg 3*/ ConstructEapolMsg(pEntry, group_cipher, EAPOL_PAIR_MSG_3, default_key, pEntry->ANonce, TxTsc, (UCHAR *)gtk_ptr, (UCHAR *)rsnie_ptr, rsnie_len, pEapolFrame); /* Make outgoing frame*/ MAKE_802_3_HEADER(Header802_3, pEntry->Addr, pBssid, EAPOL); tr_entry = &pAd->MacTab.tr_entry[pEntry->wcid]; RTMPToWirelessSta(pAd, pEntry, Header802_3, LENGTH_802_3, (PUCHAR)pEapolFrame, CONV_ARRARY_TO_UINT16(pEapolFrame->Body_Len) + 4, (tr_entry->PortSecured == WPA_802_1X_PORT_SECURED) ? FALSE : TRUE); pEntry->ReTryCounter = PEER_MSG3_RETRY_TIMER_CTR; RTMPSetTimer(&pEntry->RetryTimer, PEER_MSG1_RETRY_EXEC_INTV); /* Update State*/ pEntry->WpaState = AS_PTKINIT_NEGOTIATING; os_free_mem(NULL, mpool); }while(FALSE); DBGPRINT(RT_DEBUG_TRACE, ("<=== PeerPairMsg2Action: send Msg3 of 4-way \n")); } VOID WPAPairMsg3Retry( IN PRTMP_ADAPTER pAd, IN MAC_TABLE_ENTRY *pEntry, IN ULONG TimeInterval ) { BOOLEAN Cancelled; PEAPOL_PACKET pEapolFrame; UCHAR *mpool; PUINT8 pBssid = NULL; PUINT8 gtk_ptr = NULL; UCHAR default_key = 0; UCHAR group_cipher = Ndis802_11WEPDisabled; PUINT8 rsnie_ptr = NULL; //PUINT8 pmk_ptr = NULL; UCHAR rsnie_len = 0; UCHAR TxTsc[6]; UCHAR Header802_3[LENGTH_802_3]; #ifdef CONFIG_AP_SUPPORT UCHAR apidx = 0; #endif /* CONFIG_AP_SUPPORT */ #if defined(CONFIG_HOTSPOT) && defined(CONFIG_AP_SUPPORT) UCHAR HSClientGTK[32]; #endif STA_TR_ENTRY *tr_entry; DBGPRINT(RT_DEBUG_TRACE, ("===> %s \n",__FUNCTION__)); #ifdef CONFIG_AP_SUPPORT #ifdef P2P_SUPPORT if (P2P_GO_ON(pAd)) #else IF_DEV_CONFIG_OPMODE_ON_AP(pAd) #endif /* P2P_SUPPORT */ { struct wifi_dev *wdev; if (pEntry->apidx >= pAd->ApCfg.BssidNum) return; else apidx = pEntry->apidx; wdev = &pAd->ApCfg.MBSSID[apidx].wdev; pBssid = wdev->bssid; //pmk_ptr = pAd->ApCfg.MBSSID[apidx].PMK; gtk_ptr = pAd->ApCfg.MBSSID[apidx].GTK; group_cipher = (UCHAR)wdev->GroupKeyWepStatus; default_key = wdev->DefaultKeyId; /* Get Group TxTsc form Asic*/ RTMPGetTxTscFromAsic(pAd, apidx, TxTsc); if ((pEntry->AuthMode == Ndis802_11AuthModeWPA) || (pEntry->AuthMode == Ndis802_11AuthModeWPAPSK)) { rsnie_len = pAd->ApCfg.MBSSID[apidx].RSNIE_Len[0]; rsnie_ptr = &pAd->ApCfg.MBSSID[apidx].RSN_IE[0][0]; } else { if ((wdev->AuthMode == Ndis802_11AuthModeWPA1PSKWPA2PSK) || (wdev->AuthMode == Ndis802_11AuthModeWPA1WPA2)) { rsnie_len = pAd->ApCfg.MBSSID[apidx].RSNIE_Len[1]; rsnie_ptr = &pAd->ApCfg.MBSSID[apidx].RSN_IE[1][0]; } else { rsnie_len = pAd->ApCfg.MBSSID[apidx].RSNIE_Len[0]; rsnie_ptr = &pAd->ApCfg.MBSSID[apidx].RSN_IE[0][0]; } } } #endif /* CONFIG_AP_SUPPORT */ /* Allocate memory for input*/ os_alloc_mem(NULL, (PUCHAR *)&mpool, TX_EAPOL_BUFFER); if (mpool == NULL) { DBGPRINT(RT_DEBUG_ERROR, ("!!!%s : no memory!!!\n", __FUNCTION__)); return; } pEapolFrame = (PEAPOL_PACKET)mpool; NdisZeroMemory(pEapolFrame, TX_EAPOL_BUFFER); /* delete retry timer*/ RTMPCancelTimer(&pEntry->RetryTimer, &Cancelled); /* Change state*/ pEntry->WpaState = AS_PTKINIT_NEGOTIATING; /* Increment replay counter by 1*/ ADD_ONE_To_64BIT_VAR(pEntry->R_Counter); #if defined(CONFIG_HOTSPOT) && defined(CONFIG_AP_SUPPORT) if (pAd->ApCfg.MBSSID[apidx].HotSpotCtrl.HotSpotEnable && pAd->ApCfg.MBSSID[apidx].HotSpotCtrl.DGAFDisable) { // Radom GTK for hotspot sation client */ GenRandom(pAd, pEntry->Addr, HSClientGTK); gtk_ptr = HSClientGTK; DBGPRINT(RT_DEBUG_OFF, ("%s:Random unique GTK for each mobile device when dgaf disable\n", __FUNCTION__)); hex_dump("GTK", gtk_ptr, 32); } #endif /* Construct EAPoL message - Pairwise Msg 3*/ if (gtk_ptr) ConstructEapolMsg(pEntry, group_cipher, EAPOL_PAIR_MSG_3, default_key, pEntry->ANonce, TxTsc, (UCHAR *)gtk_ptr, (UCHAR *)rsnie_ptr, rsnie_len, pEapolFrame); /* Make outgoing frame*/ if (pBssid) MAKE_802_3_HEADER(Header802_3, pEntry->Addr, pBssid, EAPOL); tr_entry = &pAd->MacTab.tr_entry[pEntry->wcid]; RTMPToWirelessSta(pAd, pEntry, Header802_3, LENGTH_802_3, (PUCHAR)pEapolFrame, CONV_ARRARY_TO_UINT16(pEapolFrame->Body_Len) + 4, (tr_entry->PortSecured == WPA_802_1X_PORT_SECURED) ? FALSE : TRUE); RTMPSetTimer(&pEntry->RetryTimer, TimeInterval); /* Update State*/ pEntry->WpaState = AS_PTKINIT_NEGOTIATING; os_free_mem(NULL, mpool); } /* ======================================================================== Routine Description: Process Pairwise key Msg 3 of 4-way handshaking and send Msg 4 Arguments: pAd Pointer to our adapter Elem Message body Return Value: None Note: ======================================================================== */ VOID PeerPairMsg3Action( IN PRTMP_ADAPTER pAd, IN MAC_TABLE_ENTRY *pEntry, IN MLME_QUEUE_ELEM *Elem) { //PHEADER_802_11 pHeader; UCHAR Header802_3[14]; UCHAR *mpool; PEAPOL_PACKET pEapolFrame; PEAPOL_PACKET pMsg3; UINT MsgLen; PUINT8 pCurrentAddr = NULL; UCHAR group_cipher = Ndis802_11WEPDisabled; #ifdef MAC_REPEATER_SUPPORT USHORT ifIndex = (USHORT)(Elem->Priv); UCHAR CliIdx = 0xFF; #endif /* MAC_REPEATER_SUPPORT */ STA_TR_ENTRY *tr_entry; DBGPRINT(RT_DEBUG_TRACE, ("===> PeerPairMsg3Action \n")); if ((!pEntry) || (!IS_ENTRY_CLIENT(pEntry) && !IS_ENTRY_APCLI(pEntry))) return; if (Elem->MsgLen < (LENGTH_802_11 + LENGTH_802_1_H + LENGTH_EAPOL_H + MIN_LEN_OF_EAPOL_KEY_MSG)) return; #ifdef CONFIG_AP_SUPPORT IF_DEV_CONFIG_OPMODE_ON_AP(pAd) { #ifdef APCLI_SUPPORT if (IS_ENTRY_APCLI(pEntry)) { UINT IfIndex = 0; IfIndex = pEntry->func_tb_idx; #ifdef MAC_REPEATER_SUPPORT if (ifIndex >= 64) CliIdx = ((ifIndex - 64) % 16); #endif /* MAC_REPEATER_SUPPORT */ if (IfIndex >= MAX_APCLI_NUM) return; #ifdef MAC_REPEATER_SUPPORT if (CliIdx != 0xFF) pCurrentAddr = pAd->ApCfg.ApCliTab[IfIndex].RepeaterCli[CliIdx].CurrentAddress; else #endif /* MAC_REPEATER_SUPPORT */ pCurrentAddr = pAd->ApCfg.ApCliTab[IfIndex].wdev.if_addr; group_cipher = (UCHAR)pAd->ApCfg.ApCliTab[IfIndex].GroupCipher; } #endif /* APCLI_SUPPORT */ } #endif /* CONFIG_AP_SUPPORT */ #ifdef CONFIG_STA_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { #ifdef P2P_SUPPORT if (IS_ENTRY_APCLI(pEntry)) { UINT IfIndex = 0; IfIndex = pEntry->func_tb_idx; if (IfIndex >= MAX_APCLI_NUM) return; pCurrentAddr = pAd->ApCfg.ApCliTab[IfIndex].wdev.if_addr; group_cipher = pAd->ApCfg.ApCliTab[IfIndex].GroupCipher; } else #endif /* P2P_SUPPORT */ { pCurrentAddr = pAd->CurrentAddress; group_cipher = (UCHAR)pAd->StaCfg.GroupCipher; } } #endif /* CONFIG_STA_SUPPORT */ if (pCurrentAddr == NULL) return; /* Record 802.11 header & the received EAPOL packet Msg3*/ //pHeader = (PHEADER_802_11) Elem->Msg; pMsg3 = (PEAPOL_PACKET) &Elem->Msg[LENGTH_802_11 + LENGTH_802_1_H]; MsgLen = Elem->MsgLen - LENGTH_802_11 - LENGTH_802_1_H; /* Sanity Check peer Pairwise message 3 - Replay Counter, MIC, RSNIE*/ if (PeerWpaMessageSanity(pAd, pMsg3, MsgLen, EAPOL_PAIR_MSG_3, pEntry) == FALSE) return; /* Save Replay counter, it will use construct message 4*/ NdisMoveMemory(pEntry->R_Counter, pMsg3->KeyDesc.ReplayCounter, LEN_KEY_DESC_REPLAY); /* Double check ANonce*/ if (!NdisEqualMemory(pEntry->ANonce, pMsg3->KeyDesc.KeyNonce, LEN_KEY_DESC_NONCE)) { return; } /* Allocate memory for output*/ os_alloc_mem(NULL, (PUCHAR *)&mpool, TX_EAPOL_BUFFER); if (mpool == NULL) { DBGPRINT(RT_DEBUG_ERROR, ("!!!%s : no memory!!!\n", __FUNCTION__)); return; } pEapolFrame = (PEAPOL_PACKET)mpool; NdisZeroMemory(pEapolFrame, TX_EAPOL_BUFFER); /* Construct EAPoL message - Pairwise Msg 4*/ ConstructEapolMsg(pEntry, group_cipher, EAPOL_PAIR_MSG_4, 0, /* group key index not used in message 4*/ NULL, /* Nonce not used in message 4*/ NULL, /* TxRSC not used in message 4*/ NULL, /* GTK not used in message 4*/ NULL, /* RSN IE not used in message 4*/ 0, pEapolFrame); /* Update WpaState*/ pEntry->WpaState = AS_PTKINITDONE; #ifdef P2P_SUPPORT if (IS_P2P_CLI_ENTRY(pEntry) && (pEntry->bP2pClient)) { BOOLEAN Cancelled; if (pAd->P2pCfg.bP2pCliReConnectTimerRunning) { pAd->P2pCfg.bP2pCliReConnectTimerRunning = FALSE; RTMPCancelTimer(&pAd->P2pCfg.P2pCliReConnectTimer, &Cancelled); } RTMPCancelTimer(&pAd->P2pCfg.P2pWscTimer, &Cancelled); #ifdef RT_P2P_SPECIFIC_WIRELESS_EVENT P2pSendWirelessEvent(pAd, RT_P2P_CONNECTED, NULL, pEntry->bssid); #endif /* RT_P2P_SPECIFIC_WIRELESS_EVENT */ } #endif /* P2P_SUPPORT */ /* Update pairwise key */ #ifdef CONFIG_AP_SUPPORT IF_DEV_CONFIG_OPMODE_ON_AP(pAd) { #ifdef APCLI_SUPPORT if (IS_ENTRY_APCLI(pEntry)) APCliInstallPairwiseKey(pAd, pEntry); #endif /* APCLI_SUPPORT */ } #endif /* CONFIG_AP_SUPPORT */ #ifdef CONFIG_STA_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { #ifdef P2P_SUPPORT if (IS_ENTRY_APCLI(pEntry)) { #ifdef DPA_S UCHAR p2pIndex = P2P_NOT_FOUND; #endif /* DPA_S */ APCliInstallPairwiseKey(pAd, pEntry); #ifdef DPA_S p2pIndex = P2pGroupTabSearch(pAd, pEntry->Addr); if (p2pIndex != P2P_NOT_FOUND) { PRT_P2P_CLIENT_ENTRY pP2pEntry = &pAd->P2pTable.Client[p2pIndex]; P2pSendSamsungEvent(pAd, P2P_NOTIF_CREATE_LINK_COMPLETE, pEntry->Addr, pP2pEntry->DeviceName, pP2pEntry->DeviceNameLen); } else P2pSendSamsungEvent(pAd, P2P_NOTIF_CREATE_LINK_COMPLETE, pEntry->Addr, NULL, 0); #endif /* DPA_S */ } else #endif /* P2P_SUPPORT */ { NdisMoveMemory(pAd->StaCfg.PTK, pEntry->PTK, LEN_PTK); WPAInstallPairwiseKey(pAd, BSS0, pEntry, FALSE); #if 0 /* Fix Apple TSN security (RSN (AES or TKIP unicast cipher) with WEP104 group cipher) when p2p0 is up; Due to driver will use group pkt s/w decryption when p2p0 is up, and RTMPSwCipherKeySelection() will reference the pAd->SharedKey[BSS0][0], But at this point, pAd->SharedKey[BSS0][0] will be overwirte by pEntry->PairwiseKey */ NdisMoveMemory(&pAd->SharedKey[BSS0][0], &pEntry->PairwiseKey, sizeof(CIPHER_KEY)); #endif } } #endif /* CONFIG_STA_SUPPORT */ /* open 802.1x port control and privacy filter*/ tr_entry = &pAd->MacTab.tr_entry[pEntry->wcid]; if (pEntry->AuthMode == Ndis802_11AuthModeWPA2PSK || #ifdef WPA3_SUPPORT (pEntry->AuthMode == Ndis802_11AuthModeWPA3SAE) || #endif pEntry->AuthMode == Ndis802_11AuthModeWPA2) { tr_entry->PortSecured = WPA_802_1X_PORT_SECURED; pEntry->PrivacyFilter = Ndis802_11PrivFilterAcceptAll; #ifdef MAC_REPEATER_SUPPORT if (CliIdx != 0xFF) { ifIndex = ((ifIndex - 64) / 16); pAd->ApCfg.ApCliTab[ifIndex].RepeaterCli[CliIdx].CliConnectState = 2; } #endif /* MAC_REPEATER_SUPPORT */ #ifdef CONFIG_AP_SUPPORT IF_DEV_CONFIG_OPMODE_ON_AP(pAd) { #ifdef APCLI_SUPPORT #ifdef APCLI_AUTO_CONNECT_SUPPORT if((pAd->ApCfg.ApCliAutoConnectRunning == TRUE) #ifdef MAC_REPEATER_SUPPORT && (CliIdx == 0xFF) #endif /* MAC_REPEATER_SUPPORT */ ) { DBGPRINT(RT_DEBUG_TRACE, ("Apcli auto connected:PeerPairMsg3Action() \n")); pAd->ApCfg.ApCliAutoConnectRunning = FALSE; } #endif /* APCLI_AUTO_CONNECT_SUPPORT */ #endif /* APLCI_SUPPORT */ } #endif /* CONFIG_AP_SUPPORT */ #ifdef CONFIG_STA_SUPPORT STA_PORT_SECURED(pAd); #endif /* CONFIG_STA_SUPPORT */ DBGPRINT(RT_DEBUG_TRACE, ("PeerPairMsg3Action: AuthMode(%s) PairwiseCipher(%s) GroupCipher(%s) \n", GetAuthMode((CHAR)pEntry->AuthMode), GetEncryptType((CHAR)pEntry->WepStatus), GetEncryptType((CHAR)group_cipher))); } else { #ifdef CONFIG_AP_SUPPORT IF_DEV_CONFIG_OPMODE_ON_AP(pAd) { #ifdef APCLI_SUPPORT /* Patch issue with gateway AP*/ /* In WPA mode, AP doesn't send out message 1 of group-key HS.*/ /* So, Supplicant shall maintain a timeout action to disconnect */ /* this link.*/ /* Todo - Does it need to apply to STA ?*/ if (IS_ENTRY_APCLI(pEntry)) RTMPSetTimer(&pEntry->RetryTimer, PEER_GROUP_KEY_UPDATE_INIV); #endif /* APCLI_SUPPORT */ } #endif /* CONFIG_AP_SUPPORT */ } /* Init 802.3 header and send out*/ MAKE_802_3_HEADER(Header802_3, pEntry->Addr, pCurrentAddr, EAPOL); RTMPToWirelessSta(pAd, pEntry, Header802_3, sizeof(Header802_3), (PUCHAR)pEapolFrame, CONV_ARRARY_TO_UINT16(pEapolFrame->Body_Len) + 4, TRUE); os_free_mem(NULL, mpool); #ifdef WIDI_SUPPORT #ifdef CONFIG_STA_SUPPORT /* Send WIDI Association status here */ if (pEntry->AuthMode == Ndis802_11AuthModeWPA2PSK #ifdef WPA3_SUPPORT || (pEntry->AuthMode == Ndis802_11AuthModeWPA3SAE) #endif ) WidiUpdateStateToDaemon(pAd, MIN_NET_DEVICE_FOR_MBSSID, WIDI_MSG_TYPE_ASSOC_STATUS, pEntry->Addr, NULL, 0, WIDI_ASSOCIATED); #endif /* CONFIG_STA_SUPPORT */ #endif /* WIDI_SUPPORT */ DBGPRINT(RT_DEBUG_TRACE, ("<=== PeerPairMsg3Action: send Msg4 of 4-way \n")); } /* ========================================================================== Description: When receiving the last packet of 4-way pairwisekey handshake. Initilize 2-way groupkey handshake following. Return: ========================================================================== */ VOID PeerPairMsg4Action( IN PRTMP_ADAPTER pAd, IN MAC_TABLE_ENTRY *pEntry, IN MLME_QUEUE_ELEM *Elem) { PEAPOL_PACKET pMsg4; //PHEADER_802_11 pHeader; UINT MsgLen; BOOLEAN Cancelled; UCHAR group_cipher = Ndis802_11WEPDisabled; STA_TR_ENTRY *tr_entry; DBGPRINT(RT_DEBUG_TRACE, ("===> PeerPairMsg4Action\n")); do { if ((!pEntry) || !IS_ENTRY_CLIENT(pEntry)) break; if (Elem->MsgLen < (LENGTH_802_11 + LENGTH_802_1_H + LENGTH_EAPOL_H + MIN_LEN_OF_EAPOL_KEY_MSG ) ) break; if (pEntry->WpaState < AS_PTKINIT_NEGOTIATING) break; #ifdef CONFIG_AP_SUPPORT #ifdef P2P_SUPPORT if (P2P_GO_ON(pAd)) #else IF_DEV_CONFIG_OPMODE_ON_AP(pAd) #endif /* P2P_SUPPORT */ { UCHAR apidx = 0; if (pEntry->func_tb_idx >= pAd->ApCfg.BssidNum) break; else apidx = pEntry->func_tb_idx; group_cipher = (UCHAR)pAd->ApCfg.MBSSID[apidx].wdev.GroupKeyWepStatus; } #endif /* CONFIG_AP_SUPPORT */ /* pointer to 802.11 header*/ //pHeader = (PHEADER_802_11)Elem->Msg; /* skip 802.11_header(24-byte) and LLC_header(8) */ pMsg4 = (PEAPOL_PACKET)&Elem->Msg[LENGTH_802_11 + LENGTH_802_1_H]; MsgLen = Elem->MsgLen - LENGTH_802_11 - LENGTH_802_1_H; /* Sanity Check peer Pairwise message 4 - Replay Counter, MIC*/ if (PeerWpaMessageSanity(pAd, pMsg4, MsgLen, EAPOL_PAIR_MSG_4, pEntry) == FALSE) { break; } /* 3. Install pairwise key */ #ifdef MT_MAC if (pAd->chipCap.hif_type != HIF_MT) #endif WPAInstallPairwiseKey(pAd, pEntry->func_tb_idx, pEntry, TRUE); /* 4. upgrade state */ tr_entry = &pAd->MacTab.tr_entry[pEntry->wcid]; pEntry->PrivacyFilter = Ndis802_11PrivFilterAcceptAll; pEntry->WpaState = AS_PTKINITDONE; tr_entry->PortSecured = WPA_802_1X_PORT_SECURED; #ifdef WSC_AP_SUPPORT if (pAd->ApCfg.MBSSID[pEntry->func_tb_idx].WscControl.WscConfMode != WSC_DISABLE) WscInformFromWPA(pEntry); #endif /* WSC_AP_SUPPORT */ if (pEntry->AuthMode == Ndis802_11AuthModeWPA2 || pEntry->AuthMode == Ndis802_11AuthModeWPA2PSK #ifdef WPA3_SUPPORT || (pEntry->AuthMode == Ndis802_11AuthModeWPA3SAE) #endif ) { pEntry->GTKState = REKEY_ESTABLISHED; RTMPCancelTimer(&pEntry->RetryTimer, &Cancelled); #ifdef CONFIG_AP_SUPPORT #ifdef DOT11R_FT_SUPPORT if (IS_FT_RSN_STA(pEntry)) { PFT_R1HK_ENTRY pR1khEntry; PUINT8 pUCipher = NULL; PUINT8 pAkm = NULL; UINT8 count; pUCipher = WPA_ExtractSuiteFromRSNIE(pEntry->RSN_IE, pEntry->RSNIE_Len, PAIRWISE_SUITE, &count); pAkm = WPA_ExtractSuiteFromRSNIE(pEntry->RSN_IE, pEntry->RSNIE_Len, AKM_SUITE, &count); /* Record the PMK-R0 related information */ RTMPAddPMKIDCache(pAd, pEntry->func_tb_idx, pEntry->Addr, pEntry->FT_PMK_R0_NAME, pEntry->FT_PMK_R0); /* Delete previous entry */ pR1khEntry = FT_R1khEntryTabLookup(pAd, pEntry->FT_PMK_R1_NAME); if (pR1khEntry != NULL) { FT_R1khEntryDelete(pAd, pR1khEntry); } /* Update R1KH table */ if (pUCipher != NULL) NdisMoveMemory(pEntry->FT_UCipher, pUCipher, 4); if (pAkm != NULL) NdisMoveMemory(pEntry->FT_Akm, pAkm, 4); FT_R1khEntryInsert(pAd, pEntry->FT_PMK_R0_NAME, pEntry->FT_PMK_R1_NAME, pEntry->FT_PMK_R1, pUCipher, pAkm, (pAd->ApCfg.MBSSID[pEntry->func_tb_idx].PMKCachePeriod/OS_HZ), 20, pAd->ApCfg.MBSSID[pEntry->func_tb_idx].FtCfg.FtR0khId, pAd->ApCfg.MBSSID[pEntry->func_tb_idx].FtCfg.FtR0khIdLen, pEntry->Addr); #ifdef IAPP_SUPPORT { FT_KDP_EVT_ASSOC EvtAssoc; EvtAssoc.SeqNum = 0; NdisMoveMemory(EvtAssoc.MacAddr, pEntry->Addr, MAC_ADDR_LEN); FT_KDP_EVENT_INFORM(pAd, pEntry->func_tb_idx, FT_KDP_SIG_FT_ASSOCIATION, &EvtAssoc, sizeof(EvtAssoc), NULL); } #endif /* IAPP_SUPPORT */ pR1khEntry = FT_R1khEntryTabLookup(pAd, pEntry->FT_PMK_R1_NAME); if (pR1khEntry != NULL) { hex_dump("R1KHTab-R0KHID", pR1khEntry->R0khId, pR1khEntry->R0khIdLen); hex_dump("R1KHTab-PairwiseCipher", pR1khEntry->PairwisChipher, 4); hex_dump("R1KHTab-AKM", pR1khEntry->AkmSuite, 4); hex_dump("R1KHTab-PMKR0Name", pR1khEntry->PmkR0Name, 16); hex_dump("R1KHTab-PMKR1Name", pR1khEntry->PmkR1Name, 16); } else { DBGPRINT(RT_DEBUG_WARN, ("The entry in R1KH table doesn't exist\n")); } } else #endif /* DOT11R_FT_SUPPORT */ #ifdef DOT1X_SUPPORT if (pEntry->AuthMode == Ndis802_11AuthModeWPA2) { UCHAR PMK_key[20]; UCHAR digest[80]; /* Calculate PMKID, refer to IEEE 802.11i-2004 8.5.1.2*/ NdisMoveMemory(&PMK_key[0], "PMK Name", 8); NdisMoveMemory(&PMK_key[8], pAd->ApCfg.MBSSID[pEntry->func_tb_idx].wdev.bssid, MAC_ADDR_LEN); NdisMoveMemory(&PMK_key[14], pEntry->Addr, MAC_ADDR_LEN); RT_HMAC_SHA1(pAd->ApCfg.MBSSID[pEntry->func_tb_idx].PMK, PMK_LEN, PMK_key, 20, digest, SHA1_DIGEST_SIZE); RTMPAddPMKIDCache(pAd, pEntry->func_tb_idx, pEntry->Addr, digest, pAd->ApCfg.MBSSID[pEntry->func_tb_idx].PMK); DBGPRINT(RT_DEBUG_TRACE, ("Calc PMKID=%02x:%02x:%02x:%02x:%02x:%02x\n", digest[0],digest[1],digest[2],digest[3],digest[4],digest[5])); } #endif /* DOT1X_SUPPORT */ #endif /* CONFIG_AP_SUPPORT */ /* send wireless event - for set key done WPA2*/ RTMPSendWirelessEvent(pAd, IW_SET_KEY_DONE_WPA2_EVENT_FLAG, pEntry->Addr, pEntry->wdev->wdev_idx, 0); #ifdef P2P_SUPPORT if (IS_P2P_GO_ENTRY(pEntry)) { if (pEntry->bP2pClient) { #ifdef DPA_S UCHAR p2pIndex = P2P_NOT_FOUND; p2pIndex = P2pGroupTabSearch(pAd, pEntry->Addr); if (p2pIndex != P2P_NOT_FOUND) { PRT_P2P_CLIENT_ENTRY pP2pEntry = &pAd->P2pTable.Client[p2pIndex]; P2pSendSamsungEvent(pAd, P2P_NOTIF_CREATE_LINK_COMPLETE, pEntry->Addr, pP2pEntry->DeviceName, pP2pEntry->DeviceNameLen); } #endif /* DPA_S */ pAd->P2pCfg.bPeriodicListen = TRUE; RTMPCancelTimer(&pAd->P2pCfg.P2pWscTimer, &Cancelled); #ifdef RT_P2P_SPECIFIC_WIRELESS_EVENT P2pSendWirelessEvent(pAd, RT_P2P_CONNECTED, NULL, pEntry->Addr); #endif /* RT_P2P_SPECIFIC_WIRELESS_EVENT */ } else { #ifdef RT_P2P_SPECIFIC_WIRELESS_EVENT P2pSendWirelessEvent(pAd, RT_P2P_LEGACY_CONNECTED, NULL, pEntry->Addr); #endif /* RT_P2P_SPECIFIC_WIRELESS_EVENT */ #ifdef DPA_S P2pSendSamsungEvent(pAd, P2P_NOTIF_CREATE_LINK_COMPLETE, pEntry->Addr, NULL, 0); #endif /* DPA_S */ } } #endif /* P2P_SUPPORT */ #ifdef CONFIG_HOTSPOT_R2 if (pEntry->IsWNMReqValid == TRUE) { struct wnm_req_data *req_data = pEntry->ReqData; Send_WNM_Notify_Req(pAd, req_data->peer_mac_addr, req_data->wnm_req, req_data->wnm_req_len, req_data->type); pEntry->IsWNMReqValid = FALSE; os_free_mem(NULL, req_data); DBGPRINT(RT_DEBUG_OFF, ("!!!!msg 4 send wnm req\n")); } if (pEntry->IsBTMReqValid == TRUE) { struct btm_req_data *req_data = pEntry->ReqbtmData; Send_BTM_Req(pAd, req_data->peer_mac_addr, req_data->btm_req, req_data->btm_req_len); pEntry->IsBTMReqValid = FALSE; os_free_mem(NULL, req_data); DBGPRINT(RT_DEBUG_OFF, ("!!!!msg 4 send btm req\n")); } #endif #ifdef WIDI_SUPPORT if (Elem->OpMode == OPMODE_AP) { /* Send WIDI Association status here */ WidiUpdateStateToDaemon(pAd, MIN_NET_DEVICE_FOR_MBSSID, WIDI_MSG_TYPE_ASSOC_STATUS, pEntry->Addr, NULL, 0, WIDI_ASSOCIATED); } #endif /* WIDI_SUPPORT */ DBGPRINT(RT_DEBUG_OFF, ("AP SETKEYS DONE - WPA2, AuthMode(%d)=%s, WepStatus(%d)=%s, GroupWepStatus(%d)=%s\n\n", pEntry->AuthMode, GetAuthMode((CHAR)pEntry->AuthMode), pEntry->WepStatus, GetEncryptType((CHAR)pEntry->WepStatus), group_cipher, GetEncryptType((CHAR)group_cipher))); } else { /* 5. init Group 2-way handshake if necessary.*/ WPAStart2WayGroupHS(pAd, pEntry); pEntry->ReTryCounter = GROUP_MSG1_RETRY_TIMER_CTR; /* retry timer is set inside WPAStart2WayGroupHS */ //RTMPModTimer(&pEntry->RetryTimer, PEER_MSG3_RETRY_EXEC_INTV); } }while(FALSE); } /* ========================================================================== Description: This is a function to send the first packet of 2-way groupkey handshake Return: ========================================================================== */ VOID WPAStart2WayGroupHS( IN PRTMP_ADAPTER pAd, IN MAC_TABLE_ENTRY *pEntry) { UCHAR Header802_3[14]; UCHAR TxTsc[6]; UCHAR *mpool; PEAPOL_PACKET pEapolFrame; UCHAR group_cipher = Ndis802_11WEPDisabled; UCHAR default_key = 0; PUINT8 gnonce_ptr = NULL; PUINT8 gtk_ptr = NULL; PUINT8 pBssid = NULL; BOOLEAN Cancelled; DBGPRINT(RT_DEBUG_TRACE, ("===> WPAStart2WayGroupHS\n")); if ((!pEntry) || !IS_ENTRY_CLIENT(pEntry)) return; /* delete retry timer*/ RTMPCancelTimer(&pEntry->RetryTimer, &Cancelled); #ifdef CONFIG_AP_SUPPORT #ifdef P2P_SUPPORT if (P2P_GO_ON(pAd)) #else IF_DEV_CONFIG_OPMODE_ON_AP(pAd) #endif /* P2P_SUPPORT */ { UCHAR apidx = 0; if (pEntry->func_tb_idx >= pAd->ApCfg.BssidNum) return; else apidx = pEntry->func_tb_idx; group_cipher = (UCHAR)pAd->ApCfg.MBSSID[apidx].wdev.GroupKeyWepStatus; default_key = pAd->ApCfg.MBSSID[apidx].wdev.DefaultKeyId; gnonce_ptr = pAd->ApCfg.MBSSID[apidx].GNonce; gtk_ptr = pAd->ApCfg.MBSSID[apidx].GTK; pBssid = pAd->ApCfg.MBSSID[apidx].wdev.bssid; /* Get Group TxTsc form Asic*/ RTMPGetTxTscFromAsic(pAd, apidx, TxTsc); } #endif /* CONFIG_AP_SUPPORT */ /* Allocate memory for output*/ os_alloc_mem(NULL, (PUCHAR *)&mpool, TX_EAPOL_BUFFER); if (mpool == NULL) { DBGPRINT(RT_DEBUG_ERROR, ("!!!%s : no memory!!!\n", __FUNCTION__)); return; } pEapolFrame = (PEAPOL_PACKET)mpool; NdisZeroMemory(pEapolFrame, TX_EAPOL_BUFFER); /* Increment replay counter by 1*/ ADD_ONE_To_64BIT_VAR(pEntry->R_Counter); /* Construct EAPoL message - Group Msg 1*/ if (gnonce_ptr && gtk_ptr) ConstructEapolMsg(pEntry, group_cipher, EAPOL_GROUP_MSG_1, default_key, (UCHAR *)gnonce_ptr, TxTsc, (UCHAR *)gtk_ptr, NULL, 0, pEapolFrame); /* Make outgoing frame*/ if (pBssid == NULL) { DBGPRINT(RT_DEBUG_ERROR, ("%s: pBssid == NULL!\n", __FUNCTION__)); os_free_mem(NULL, mpool); return; } MAKE_802_3_HEADER(Header802_3, pEntry->Addr, pBssid, EAPOL); RTMPToWirelessSta(pAd, pEntry, Header802_3, LENGTH_802_3, (PUCHAR)pEapolFrame, CONV_ARRARY_TO_UINT16(pEapolFrame->Body_Len) + 4, FALSE); os_free_mem(NULL, mpool); RTMPSetTimer(&pEntry->RetryTimer, PEER_MSG1_RETRY_EXEC_INTV); DBGPRINT(RT_DEBUG_TRACE, ("<=== WPAStart2WayGroupHS : send out Group Message 1 \n")); return; } /* ======================================================================== Routine Description: Process Group key 2-way handshaking Arguments: pAd Pointer to our adapter Elem Message body Return Value: None Note: ======================================================================== */ VOID PeerGroupMsg1Action( IN PRTMP_ADAPTER pAd, IN MAC_TABLE_ENTRY *pEntry, IN MLME_QUEUE_ELEM *Elem) { UCHAR Header802_3[14]; UCHAR *mpool; PEAPOL_PACKET pEapolFrame; PEAPOL_PACKET pGroup; UINT MsgLen; UCHAR default_key = 0; UCHAR group_cipher = Ndis802_11WEPDisabled; PUINT8 pCurrentAddr = NULL; #ifdef APCLI_SUPPORT BOOLEAN Cancelled; #endif /* APCLI_SUPPORT */ #ifdef MAC_REPEATER_SUPPORT USHORT ifIndex = (USHORT)(Elem->Priv); UCHAR CliIdx = 0xFF; #endif /* MAC_REPEATER_SUPPORT */ STA_TR_ENTRY *tr_entry; DBGPRINT(RT_DEBUG_TRACE, ("===> PeerGroupMsg1Action \n")); if ((!pEntry) || (!IS_ENTRY_CLIENT(pEntry) && !IS_ENTRY_APCLI(pEntry))) return; #ifdef MAC_REPEATER_SUPPORT if (ifIndex >= 64) CliIdx = ((ifIndex - 64) % 16); #endif /* MAC_REPEATER_SUPPORT */ #ifdef CONFIG_AP_SUPPORT IF_DEV_CONFIG_OPMODE_ON_AP(pAd) { #ifdef APCLI_SUPPORT if (IS_ENTRY_APCLI(pEntry)) { UINT IfIndex = 0; IfIndex = pEntry->func_tb_idx; if (IfIndex >= MAX_APCLI_NUM) return; #ifdef MAC_REPEATER_SUPPORT if (CliIdx != 0xFF) pCurrentAddr = pAd->ApCfg.ApCliTab[IfIndex].RepeaterCli[CliIdx].CurrentAddress; else #endif /* MAC_REPEATER_SUPPORT */ pCurrentAddr = pAd->ApCfg.ApCliTab[IfIndex].wdev.if_addr; group_cipher = (UCHAR)pAd->ApCfg.ApCliTab[IfIndex].GroupCipher; default_key = pAd->ApCfg.ApCliTab[IfIndex].wdev.DefaultKeyId; } #endif /* APCLI_SUPPORT */ } #endif /* CONFIG_AP_SUPPORT */ #ifdef CONFIG_STA_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { pCurrentAddr = pAd->CurrentAddress; group_cipher = (UCHAR)pAd->StaCfg.GroupCipher; default_key = pAd->StaCfg.wdev.DefaultKeyId; } #endif /* CONFIG_STA_SUPPORT */ if (pCurrentAddr == NULL) return; /* Process Group Message 1 frame. skip 802.11 header(24) & LLC_SNAP header(8)*/ pGroup = (PEAPOL_PACKET) &Elem->Msg[LENGTH_802_11 + LENGTH_802_1_H]; MsgLen = Elem->MsgLen - LENGTH_802_11 - LENGTH_802_1_H; /* Sanity Check peer group message 1 - Replay Counter, MIC, RSNIE*/ if (PeerWpaMessageSanity(pAd, pGroup, MsgLen, EAPOL_GROUP_MSG_1, pEntry) == FALSE) return; /* delete retry timer*/ #ifdef CONFIG_AP_SUPPORT #ifdef P2P_SUPPORT if (P2P_GO_ON(pAd)) #else IF_DEV_CONFIG_OPMODE_ON_AP(pAd) #endif /* P2P_SUPPORT */ { #ifdef APCLI_SUPPORT /* Patch issue with gateway AP*/ /* In WPA mode, AP doesn't send out message 1 of group-key HS.*/ /* So, Supplicant shall maintain a timeout action to disconnect */ /* this link.*/ /* Todo - Does it need to apply to STA ?*/ if (IS_ENTRY_APCLI(pEntry)) RTMPCancelTimer(&pEntry->RetryTimer, &Cancelled); #endif /* APCLI_SUPPORT */ } #endif /* CONFIG_AP_SUPPORT */ /* Save Replay counter, it will use to construct message 2*/ NdisMoveMemory(pEntry->R_Counter, pGroup->KeyDesc.ReplayCounter, LEN_KEY_DESC_REPLAY); /* Allocate memory for output*/ os_alloc_mem(NULL, (PUCHAR *)&mpool, TX_EAPOL_BUFFER); if (mpool == NULL) { DBGPRINT(RT_DEBUG_ERROR, ("!!!%s : no memory!!!\n", __FUNCTION__)); return; } pEapolFrame = (PEAPOL_PACKET)mpool; NdisZeroMemory(pEapolFrame, TX_EAPOL_BUFFER); /* Construct EAPoL message - Group Msg 2*/ ConstructEapolMsg(pEntry, group_cipher, EAPOL_GROUP_MSG_2, default_key, NULL, /* Nonce not used*/ NULL, /* TxRSC not used*/ NULL, /* GTK not used*/ NULL, /* RSN IE not used*/ 0, pEapolFrame); /* open 802.1x port control and privacy filter*/ tr_entry = &pAd->MacTab.tr_entry[pEntry->wcid]; tr_entry->PortSecured = WPA_802_1X_PORT_SECURED; pEntry->PrivacyFilter = Ndis802_11PrivFilterAcceptAll; #ifdef MAC_REPEATER_SUPPORT if (CliIdx != 0xFF) { ifIndex = ((ifIndex - 64) / 16); pAd->ApCfg.ApCliTab[ifIndex].RepeaterCli[CliIdx].CliConnectState = 2; } #endif /* MAC_REPEATER_SUPPORT */ #ifdef CONFIG_AP_SUPPORT IF_DEV_CONFIG_OPMODE_ON_AP(pAd) { #ifdef APCLI_SUPPORT #ifdef APCLI_AUTO_CONNECT_SUPPORT if ((pAd->ApCfg.ApCliAutoConnectRunning == TRUE) #ifdef MAC_REPEATER_SUPPORT && (CliIdx == 0xFF) #endif /* MAC_REPEATER_SUPPORT */ ) { DBGPRINT(RT_DEBUG_TRACE, ("Apcli auto connected:PeerGroupMsg1Action() \n")); pAd->ApCfg.ApCliAutoConnectRunning = FALSE; } #endif /* APCLI_AUTO_CONNECT_SUPPORT */ #endif /* APLCI_SUPPORT */ } #endif /* CONFIG_AP_SUPPORT */ #ifdef CONFIG_STA_SUPPORT #ifdef P2P_SUPPORT if (IS_ENTRY_CLIENT(pEntry)) #endif /* P2P_SUPPORT */ STA_PORT_SECURED(pAd); #endif /* CONFIG_STA_SUPPORT */ DBGPRINT(RT_DEBUG_TRACE, ("PeerGroupMsg1Action: AuthMode(%s) PairwiseCipher(%s) GroupCipher(%s) \n", GetAuthMode((CHAR)pEntry->AuthMode), GetEncryptType((CHAR)pEntry->WepStatus), GetEncryptType((CHAR)group_cipher))); /* init header and Fill Packet and send Msg 2 to authenticator */ MAKE_802_3_HEADER(Header802_3, pEntry->Addr, pCurrentAddr, EAPOL); #ifdef CONFIG_STA_SUPPORT if ((pAd->OpMode == OPMODE_STA) && INFRA_ON(pAd) && OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED) && RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_BSS_SCAN_IN_PROGRESS) && (pAd->MlmeAux.Channel == pAd->CommonCfg.Channel) #ifdef P2P_SUPPORT && IS_ENTRY_CLIENT(pEntry) #endif /* P2P_SUPPORT */ ) { /* Now stop the scanning and need to send the rekey packet out */ pAd->MlmeAux.Channel = 0; } #endif /* CONFIG_STA_SUPPORT */ RTMPToWirelessSta(pAd, pEntry, Header802_3, sizeof(Header802_3), (PUCHAR)pEapolFrame, CONV_ARRARY_TO_UINT16(pEapolFrame->Body_Len) + 4, FALSE); os_free_mem(NULL, mpool); #ifdef WIDI_SUPPORT #ifdef CONFIG_STA_SUPPORT WidiUpdateStateToDaemon(pAd, MIN_NET_DEVICE_FOR_MBSSID, WIDI_MSG_TYPE_ASSOC_STATUS, pEntry->Addr, NULL, 0, WIDI_ASSOCIATED); #endif /* CONFIG_STA_SUPPORT */ #endif /* WIDI_SUPPORT */ DBGPRINT(RT_DEBUG_TRACE, ("<=== PeerGroupMsg1Action: send group message 2\n")); } VOID EnqueueStartForPSKExec( IN PVOID SystemSpecific1, IN PVOID FunctionContext, IN PVOID SystemSpecific2, IN PVOID SystemSpecific3) { MAC_TABLE_ENTRY *pEntry = (PMAC_TABLE_ENTRY) FunctionContext; if(pEntry == NULL) return; if ((pEntry) && IS_ENTRY_CLIENT(pEntry) && (pEntry->WpaState < AS_PTKSTART)) { PRTMP_ADAPTER pAd = (PRTMP_ADAPTER)pEntry->pAd; switch (pEntry->EnqueueEapolStartTimerRunning) { case EAPOL_START_PSK: DBGPRINT(RT_DEBUG_TRACE, ("Enqueue EAPoL-Start-PSK for sta(%02x:%02x:%02x:%02x:%02x:%02x) \n", PRINT_MAC(pEntry->Addr))); MlmeEnqueue(pAd, WPA_STATE_MACHINE, MT2_EAPOLStart, 6, &pEntry->Addr, 0); break; #ifdef CONFIG_AP_SUPPORT #ifdef DOT1X_SUPPORT case EAPOL_START_1X: DBGPRINT(RT_DEBUG_TRACE, ("Enqueue EAPoL-Start-1X for sta(%02x:%02x:%02x:%02x:%02x:%02x) \n", PRINT_MAC(pEntry->Addr))); DOT1X_EapTriggerAction(pAd, pEntry); break; #endif /* DOT1X_SUPPORT */ #endif /* CONFIG_AP_SUPPORT */ default: break; } } pEntry->EnqueueEapolStartTimerRunning = EAPOL_START_DISABLE; } VOID MlmeDeAuthAction( IN PRTMP_ADAPTER pAd, IN MAC_TABLE_ENTRY *pEntry, IN USHORT Reason, IN BOOLEAN bDataFrameFirst) { PUCHAR pOutBuffer = NULL; ULONG FrameLen = 0; HEADER_802_11 DeAuthHdr; NDIS_STATUS NStatus; if (pEntry) { /* Send out a Deauthentication request frame*/ NStatus = MlmeAllocateMemory(pAd, &pOutBuffer); if (NStatus != NDIS_STATUS_SUCCESS) return; /* send wireless event - for send disassication */ RTMPSendWirelessEvent(pAd, IW_DEAUTH_EVENT_FLAG, pEntry->Addr, pEntry->wdev->wdev_idx, 0); DBGPRINT(RT_DEBUG_TRACE, ("Send DEAUTH frame with ReasonCode(%d) to %02x:%02x:%02x:%02x:%02x:%02x \n", Reason, PRINT_MAC(pEntry->Addr))); #if defined(P2P_SUPPORT) || defined(RT_CFG80211_P2P_SUPPORT) MgtMacHeaderInit(pAd, &DeAuthHdr, SUBTYPE_DEAUTH, 0, pEntry->Addr, pEntry->wdev->if_addr, pEntry->bssid); #else #ifdef CONFIG_STA_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { MgtMacHeaderInit(pAd, &DeAuthHdr, SUBTYPE_DEAUTH, 0, pEntry->Addr, pAd->CurrentAddress, pAd->CommonCfg.Bssid); } #endif /* CONFIG_STA_SUPPORT */ #ifdef CONFIG_AP_SUPPORT IF_DEV_CONFIG_OPMODE_ON_AP(pAd) { MgtMacHeaderInit(pAd, &DeAuthHdr, SUBTYPE_DEAUTH, 0, pEntry->Addr, pAd->ApCfg.MBSSID[pEntry->func_tb_idx].wdev.if_addr, pAd->ApCfg.MBSSID[pEntry->func_tb_idx].wdev.bssid); } #endif /* CONFIG_AP_SUPPORT */ #endif /* P2P_SUPPORT */ MakeOutgoingFrame(pOutBuffer, &FrameLen, sizeof(HEADER_802_11), &DeAuthHdr, 2, &Reason, END_OF_ARGS); #ifdef DOT11W_PMF_SUPPORT if (CLIENT_STATUS_TEST_FLAG(pEntry, fCLIENT_STATUS_PMF_CAPABLE)) { ULONG TmpLen; UINT res_len = LEN_CCMP_HDR + LEN_CCMP_MIC; UCHAR res_buf[res_len]; /* reserve a buffer for PMF CCMP calculation later */ MakeOutgoingFrame(pOutBuffer + FrameLen, &TmpLen, res_len, res_buf, END_OF_ARGS); FrameLen += TmpLen; /* Indicate this is a unicast Robust management frame */ DeAuthHdr.FC.Wep = 1; } #endif /* DOT11_PMF_SUPPORT */ if (bDataFrameFirst) MiniportMMRequest(pAd, MGMT_USE_QUEUE_FLAG, pOutBuffer, FrameLen); else MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen); MlmeFreeMemory(pAd, pOutBuffer); /* ApLogEvent(pAd, pEntry->Addr, EVENT_DISASSOCIATED);*/ #ifdef CONFIG_HOTSPOT_R2 if (!pEntry->IsKeep) #endif /* CONFIG_HOTSPOT_R2 */ MacTableDeleteEntry(pAd, pEntry->wcid, pEntry->Addr); } } /* ========================================================================== Description: When receiving the last packet of 2-way groupkey handshake. Return: ========================================================================== */ VOID PeerGroupMsg2Action( IN PRTMP_ADAPTER pAd, IN MAC_TABLE_ENTRY *pEntry, IN VOID *Msg, IN UINT MsgLen) { UINT Len; PUCHAR pData; BOOLEAN Cancelled; PEAPOL_PACKET pMsg2; UCHAR group_cipher = Ndis802_11WEPDisabled; DBGPRINT(RT_DEBUG_TRACE, ("===> PeerGroupMsg2Action \n")); if ((!pEntry) || !IS_ENTRY_CLIENT(pEntry)) return; if (MsgLen < (LENGTH_802_1_H + LENGTH_EAPOL_H + MIN_LEN_OF_EAPOL_KEY_MSG)) return; if (pEntry->WpaState != AS_PTKINITDONE) return; do { #ifdef CONFIG_AP_SUPPORT #ifdef P2P_SUPPORT if (P2P_GO_ON(pAd)) #else IF_DEV_CONFIG_OPMODE_ON_AP(pAd) #endif /* P2P_SUPPORT */ { UCHAR apidx = 0; if (pEntry->func_tb_idx >= pAd->ApCfg.BssidNum) return; else apidx = pEntry->func_tb_idx; group_cipher = (UCHAR)pAd->ApCfg.MBSSID[apidx].wdev.GroupKeyWepStatus; } #endif /* CONFIG_AP_SUPPORT */ pData = (PUCHAR)Msg; pMsg2 = (PEAPOL_PACKET) (pData + LENGTH_802_1_H); Len = MsgLen - LENGTH_802_1_H; /* Sanity Check peer group message 2 - Replay Counter, MIC*/ if (PeerWpaMessageSanity(pAd, pMsg2, Len, EAPOL_GROUP_MSG_2, pEntry) == FALSE) break; /* 3. upgrade state*/ RTMPCancelTimer(&pEntry->RetryTimer, &Cancelled); pEntry->GTKState = REKEY_ESTABLISHED; if ((pEntry->AuthMode == Ndis802_11AuthModeWPA2) || (pEntry->AuthMode == Ndis802_11AuthModeWPA2PSK) #ifdef WPA3_SUPPORT || (pEntry->AuthMode == Ndis802_11AuthModeWPA3SAE) #endif ) { /* send wireless event - for set key done WPA2*/ RTMPSendWirelessEvent(pAd, IW_SET_KEY_DONE_WPA2_EVENT_FLAG, pEntry->Addr, pEntry->wdev->wdev_idx, 0); DBGPRINT(RT_DEBUG_OFF, ("AP SETKEYS DONE - WPA2, AuthMode(%d)=%s, WepStatus(%d)=%s, GroupWepStatus(%d)=%s\n\n", pEntry->AuthMode, GetAuthMode((CHAR)pEntry->AuthMode), pEntry->WepStatus, GetEncryptType((CHAR)pEntry->WepStatus), group_cipher, GetEncryptType((CHAR)group_cipher))); } else { /* send wireless event - for set key done WPA*/ RTMPSendWirelessEvent(pAd, IW_SET_KEY_DONE_WPA1_EVENT_FLAG, pEntry->Addr, pEntry->wdev->wdev_idx, 0); DBGPRINT(RT_DEBUG_OFF, ("AP SETKEYS DONE - WPA1, AuthMode(%d)=%s, WepStatus(%d)=%s, GroupWepStatus(%d)=%s\n\n", pEntry->AuthMode, GetAuthMode((CHAR)pEntry->AuthMode), pEntry->WepStatus, GetEncryptType((CHAR)pEntry->WepStatus), group_cipher, GetEncryptType((CHAR)group_cipher))); } }while(FALSE); } /* ======================================================================== Routine Description: Classify WPA EAP message type Arguments: EAPType Value of EAP message type MsgType Internal Message definition for MLME state machine Return Value: TRUE Found appropriate message type FALSE No appropriate message type IRQL = DISPATCH_LEVEL Note: All these constants are defined in wpa_cmm.h For supplicant, there is only EAPOL Key message avaliable ======================================================================== */ BOOLEAN WpaMsgTypeSubst( IN UCHAR EAPType, OUT INT *MsgType) { switch (EAPType) { case EAPPacket: *MsgType = MT2_EAPPacket; break; case EAPOLStart: *MsgType = MT2_EAPOLStart; break; case EAPOLLogoff: *MsgType = MT2_EAPOLLogoff; break; case EAPOLKey: *MsgType = MT2_EAPOLKey; break; case EAPOLASFAlert: *MsgType = MT2_EAPOLASFAlert; break; default: #ifdef RELEASE_EXCLUDE DBGPRINT(RT_DEBUG_INFO, ("WpaMsgTypeSubst : return FALSE; \n")); #endif /* RELEASE_EXCLUDE */ return FALSE; } return TRUE; } /** * inc_iv_byte - Increment arbitrary length byte array * @counter: Pointer to byte array * @len: Length of the counter in bytes * * This function increments the least byte of the counter by one and continues * rolling over to more significant bytes if the byte was incremented from * 0xff to 0x00. */ void inc_iv_byte(UCHAR *iv, UINT len, UINT cnt) { #if 1 int pos = 0; int carry = 0; UCHAR pre_iv; while (pos < len) { pre_iv = iv[pos]; if (carry == 1) iv[pos] ++; else iv[pos] += cnt; if (iv[pos] > pre_iv) break; carry = 1; pos++; } if (pos >= len) DBGPRINT(RT_DEBUG_WARN, ("!!! inc_iv_byte overflow !!!\n")); #else int pos = len - 1; int carry = 0; UCHAR pre_iv; while (pos >= 0) { pre_iv = iv[pos]; if (carry == 1) iv[pos] ++; else iv[pos] += cnt; if (iv[pos] > pre_iv) break; carry = 1; pos--; } if (pos < 0) DBGPRINT(RT_DEBUG_ERROR, ("!!! inc_iv_byte overflow !!!\n")); #endif } /* ======================================================================== Routine Description: The pseudo-random function(PRF) that hashes various inputs to derive a pseudo-random value. To add liveness to the pseudo-random value, a nonce should be one of the inputs. It is used to generate PTK, GTK or some specific random value. Arguments: UCHAR *key, - the key material for HMAC_SHA1 use INT key_len - the length of key UCHAR *prefix - a prefix label INT prefix_len - the length of the label UCHAR *data - a specific data with variable length INT data_len - the length of a specific data INT len - the output lenght Return Value: UCHAR *output - the calculated result Note: 802.11i-2004 Annex H.3 ======================================================================== */ VOID PRF( IN UCHAR *key, IN INT key_len, IN UCHAR *prefix, IN INT prefix_len, IN UCHAR *data, IN INT data_len, OUT UCHAR *output, IN INT len) { INT i; UCHAR *input; INT currentindex = 0; INT total_len; /* Allocate memory for input*/ os_alloc_mem(NULL, (PUCHAR *)&input, 1024); if (input == NULL) { DBGPRINT(RT_DEBUG_ERROR, ("!!!PRF: no memory!!!\n")); return; } /* Generate concatenation input*/ NdisMoveMemory(input, prefix, prefix_len); /* Concatenate a single octet containing 0*/ input[prefix_len] = 0; /* Concatenate specific data*/ NdisMoveMemory(&input[prefix_len + 1], data, data_len); total_len = prefix_len + 1 + data_len; /* Concatenate a single octet containing 0*/ /* This octet shall be update later*/ input[total_len] = 0; total_len++; /* Iterate to calculate the result by hmac-sha-1*/ /* Then concatenate to last result*/ for (i = 0; i < (len + 19) / 20; i++) { RT_HMAC_SHA1(key, key_len, input, total_len, &output[currentindex], SHA1_DIGEST_SIZE); currentindex += 20; /* update the last octet */ input[total_len - 1]++; } os_free_mem(NULL, input); } /* * F(P, S, c, i) = U1 xor U2 xor ... Uc * U1 = PRF(P, S || Int(i)) * U2 = PRF(P, U1) * Uc = PRF(P, Uc-1) */ static void F(char *password, unsigned char *ssid, int ssidlength, int iterations, int count, unsigned char *output) { unsigned char digest[36], digest1[SHA1_DIGEST_SIZE]; int i, j, len; len = strlen(password); /* U1 = PRF(P, S || int(i)) */ memcpy(digest, ssid, ssidlength); digest[ssidlength] = (unsigned char)((count>>24) & 0xff); digest[ssidlength+1] = (unsigned char)((count>>16) & 0xff); digest[ssidlength+2] = (unsigned char)((count>>8) & 0xff); digest[ssidlength+3] = (unsigned char)(count & 0xff); RT_HMAC_SHA1((unsigned char*) password, len, digest, ssidlength+4, digest1, SHA1_DIGEST_SIZE); /* for WPA update*/ /* output = U1 */ memcpy(output, digest1, SHA1_DIGEST_SIZE); for (i = 1; i < iterations; i++) { /* Un = PRF(P, Un-1) */ RT_HMAC_SHA1((unsigned char*) password, len, digest1, SHA1_DIGEST_SIZE, digest, SHA1_DIGEST_SIZE); /* for WPA update*/ memcpy(digest1, digest, SHA1_DIGEST_SIZE); /* output = output xor Un */ for (j = 0; j < SHA1_DIGEST_SIZE; j++) { output[j] ^= digest[j]; } } } /* * password - ascii string up to 63 characters in length * ssid - octet string up to 32 octets * ssidlength - length of ssid in octets * output must be 40 octets in length and outputs 256 bits of key */ int RtmpPasswordHash(RTMP_STRING *password, PUCHAR ssid, INT ssidlength, PUCHAR output) { if ((strlen(password) > 63) || (ssidlength > 32)) return 0; F(password, ssid, ssidlength, 4096, 1, output); F(password, ssid, ssidlength, 4096, 2, &output[SHA1_DIGEST_SIZE]); return 1; } /* ======================================================================== Routine Description: The key derivation function(KDF) is defined in IEEE 802.11r/D9.0, 8.5.1.5.2 Arguments: Return Value: Note: Output - KDF-Length (K, label, Context) where Input: K, a 256-bit key derivation key label, a string identifying the purpose of the keys derived using this KDF Context, a bit string that provides context to identify the derived key Length, the length of the derived key in bits Output: a Length-bit derived key result - "" iterations - (Length+255)/256 do i = 1 to iterations result - result || HMAC-SHA256(K, i || label || Context || Length) od return first Length bits of result, and securely delete all unused bits In this algorithm, i and Length are encoded as 16-bit unsigned integers. ======================================================================== */ VOID KDF( IN PUINT8 key, IN INT key_len, IN PUINT8 label, IN INT label_len, IN PUINT8 data, IN INT data_len, OUT PUINT8 output, IN USHORT len) { USHORT i; UCHAR *input; INT currentindex = 0; INT total_len; UINT len_in_bits = (len << 3); os_alloc_mem(NULL, (PUCHAR *)&input, 1024); if (input == NULL) { DBGPRINT(RT_DEBUG_ERROR, ("!!!KDF: no memory!!!\n")); return; } NdisZeroMemory(input, 1024); /* Initial concatenated value (i || label || Context || Length)*/ /* concatenate 16-bit unsigned integer, its initial value is 1. */ input[0] = 1; input[1] = 0; total_len = 2; /* concatenate a prefix string*/ NdisMoveMemory(&input[total_len], label, label_len); total_len += label_len; /* concatenate the context*/ NdisMoveMemory(&input[total_len], data, data_len); total_len += data_len; /* concatenate the length in bits (16-bit unsigned integer)*/ input[total_len] = (len_in_bits & 0xFF); input[total_len + 1] = (UCHAR)((len_in_bits & 0xFF00) >> 8); total_len += 2; for (i = 1; i <= ((len_in_bits + 255) / 256); i++) { /* HMAC-SHA256 derives output */ RT_HMAC_SHA256((UCHAR *)key, key_len, input, total_len, (UCHAR *)&output[currentindex], 32); currentindex += 32; /* next concatenation location*/ input[0]++; /* increment octet count*/ } os_free_mem(NULL, input); } /* ======================================================================== Routine Description: Arguments: Return Value: Note: ======================================================================== */ VOID RTMPDerivePMKID( IN PUINT8 pAaddr, IN PUINT8 pSpaddr, IN PUINT8 pKey, IN PUINT8 pAkm_oui, OUT PUINT8 pPMKID) { UCHAR digest[80], text_buf[20]; UINT8 text_len; /* Concatenate the text for PMKID calculation*/ NdisMoveMemory(&text_buf[0], "PMK Name", 8); NdisMoveMemory(&text_buf[8], pAaddr, MAC_ADDR_LEN); NdisMoveMemory(&text_buf[14], pSpaddr, MAC_ADDR_LEN); text_len = 20; #ifdef DOT11W_PMF_SUPPORT /* todo pmf*/ /* When the negotiated AKM is 00-0F-AC:5 or 00-0F-AC:6, HMAC-SHA-256 is used to calculate the PMKID */ if (NdisEqualMemory(pAkm_oui, OUI_PMF_8021X_AKM, 4) || NdisEqualMemory(pAkm_oui, OUI_PMF_PSK_AKM, 4)) { RT_HMAC_SHA256(pKey, PMK_LEN, text_buf, text_len, digest, SHA256_DIGEST_SIZE); } else #endif /* DOT11W_PMF_SUPPPORT */ { RT_HMAC_SHA1(pKey, PMK_LEN, text_buf, text_len, digest, SHA1_DIGEST_SIZE); } /* Truncate the first 128-bit of output result */ NdisMoveMemory(pPMKID, digest, LEN_PMKID); } /* ======================================================================== Routine Description: It utilizes PRF-384 or PRF-512 to derive session-specific keys from a PMK. It shall be called by 4-way handshake processing. Arguments: pAd - pointer to our pAdapter context PMK - pointer to PMK ANonce - pointer to ANonce AA - pointer to Authenticator Address SNonce - pointer to SNonce SA - pointer to Supplicant Address len - indicate the length of PTK (octet) Return Value: Output pointer to the PTK Note: Refer to IEEE 802.11i-2004 8.5.1.2 ======================================================================== */ VOID WpaDerivePTK( IN PRTMP_ADAPTER pAd, IN UCHAR *PMK, IN UCHAR *ANonce, IN UCHAR *AA, IN UCHAR *SNonce, IN UCHAR *SA, OUT UCHAR *output, IN UINT len) { UCHAR concatenation[76]; UINT CurrPos = 0; UCHAR temp[32]; UCHAR Prefix[] = {'P', 'a', 'i', 'r', 'w', 'i', 's', 'e', ' ', 'k', 'e', 'y', ' ', 'e', 'x', 'p', 'a', 'n', 's', 'i', 'o', 'n'}; /* initiate the concatenation input*/ NdisZeroMemory(temp, sizeof(temp)); NdisZeroMemory(concatenation, 76); /* Get smaller address*/ if (RTMPCompareMemory(SA, AA, 6) == 1) NdisMoveMemory(concatenation, AA, 6); else NdisMoveMemory(concatenation, SA, 6); CurrPos += 6; /* Get larger address*/ if (RTMPCompareMemory(SA, AA, 6) == 1) NdisMoveMemory(&concatenation[CurrPos], SA, 6); else NdisMoveMemory(&concatenation[CurrPos], AA, 6); /* store the larger mac address for backward compatible of */ /* ralink proprietary STA-key issue */ NdisMoveMemory(temp, &concatenation[CurrPos], MAC_ADDR_LEN); CurrPos += 6; /* Get smaller Nonce*/ if (RTMPCompareMemory(ANonce, SNonce, 32) == 0) NdisMoveMemory(&concatenation[CurrPos], temp, 32); /* patch for ralink proprietary STA-key issue*/ else if (RTMPCompareMemory(ANonce, SNonce, 32) == 1) NdisMoveMemory(&concatenation[CurrPos], SNonce, 32); else NdisMoveMemory(&concatenation[CurrPos], ANonce, 32); CurrPos += 32; /* Get larger Nonce*/ if (RTMPCompareMemory(ANonce, SNonce, 32) == 0) NdisMoveMemory(&concatenation[CurrPos], temp, 32); /* patch for ralink proprietary STA-key issue*/ else if (RTMPCompareMemory(ANonce, SNonce, 32) == 1) NdisMoveMemory(&concatenation[CurrPos], ANonce, 32); else NdisMoveMemory(&concatenation[CurrPos], SNonce, 32); CurrPos += 32; #if 0 hex_dump("PMK", PMK, LEN_PMK); hex_dump("concatenation=", concatenation, 76); #endif /* Use PRF to generate PTK*/ PRF(PMK, LEN_PMK, Prefix, 22, concatenation, 76, output, len); } VOID WpaDeriveGTK( IN UCHAR *GMK, IN UCHAR *GNonce, IN UCHAR *AA, OUT UCHAR *output, IN UINT len) { UCHAR concatenation[76]; UINT CurrPos=0; UCHAR Prefix[19]; UCHAR temp[80]; NdisMoveMemory(&concatenation[CurrPos], AA, 6); CurrPos += 6; NdisMoveMemory(&concatenation[CurrPos], GNonce , 32); CurrPos += 32; Prefix[0] = 'G'; Prefix[1] = 'r'; Prefix[2] = 'o'; Prefix[3] = 'u'; Prefix[4] = 'p'; Prefix[5] = ' '; Prefix[6] = 'k'; Prefix[7] = 'e'; Prefix[8] = 'y'; Prefix[9] = ' '; Prefix[10] = 'e'; Prefix[11] = 'x'; Prefix[12] = 'p'; Prefix[13] = 'a'; Prefix[14] = 'n'; Prefix[15] = 's'; Prefix[16] = 'i'; Prefix[17] = 'o'; Prefix[18] = 'n'; PRF(GMK, PMK_LEN, Prefix, 19, concatenation, 38 , temp, len); NdisMoveMemory(output, temp, len); } /* ======================================================================== Routine Description: Generate random number by software. Arguments: pAd - pointer to our pAdapter context macAddr - pointer to local MAC address Return Value: Note: 802.1ii-2004 Annex H.5 ======================================================================== */ VOID GenRandom( IN PRTMP_ADAPTER pAd, IN UCHAR *macAddr, OUT UCHAR *random) { INT i, curr; UCHAR local[80], KeyCounter[32]; UCHAR result[80]; ULONG CurrentTime; UCHAR prefix[] = {'I', 'n', 'i', 't', ' ', 'C', 'o', 'u', 'n', 't', 'e', 'r'}; /* Zero the related information*/ NdisZeroMemory(result, 80); NdisZeroMemory(local, 80); NdisZeroMemory(KeyCounter, 32); for (i = 0; i < 32; i++) { /* copy the local MAC address*/ COPY_MAC_ADDR(local, macAddr); curr = MAC_ADDR_LEN; /* concatenate the current time*/ NdisGetSystemUpTime(&CurrentTime); NdisMoveMemory(&local[curr], &CurrentTime, sizeof(CurrentTime)); curr += sizeof(CurrentTime); /* concatenate the last result*/ NdisMoveMemory(&local[curr], result, 32); curr += 32; /* concatenate a variable */ NdisMoveMemory(&local[curr], &i, 2); curr += 2; /* calculate the result*/ PRF(KeyCounter, 32, prefix,12, local, curr, result, 32); } NdisMoveMemory(random, result, 32); } /* ======================================================================== Routine Description: Build cipher suite in RSN-IE. It only shall be called by RTMPMakeRSNIE. Arguments: pAd - pointer to our pAdapter context ElementID - indicate the WPA1 or WPA2 WepStatus - indicate the encryption type bMixCipher - a boolean to indicate the pairwise cipher and group cipher are the same or not Return Value: Note: ======================================================================== */ static VOID RTMPMakeRsnIeCipher( IN PRTMP_ADAPTER pAd, IN UCHAR ElementID, IN UINT WepStatus, IN UCHAR apidx, IN BOOLEAN bMixCipher, IN WPA_MIX_PAIR_CIPHER FlexibleCipher, OUT PUCHAR pRsnIe, OUT UCHAR *rsn_len) { UCHAR PairwiseCnt; *rsn_len = 0; /* decide WPA2 or WPA1 */ if (ElementID == Wpa2Ie) { RSNIE2 *pRsnie_cipher = (RSNIE2*)pRsnIe; /* Assign the verson as 1*/ pRsnie_cipher->version = 1; switch (WepStatus) { /* TKIP mode*/ case Ndis802_11TKIPEnable: NdisMoveMemory(pRsnie_cipher->mcast, OUI_WPA2_TKIP, 4); pRsnie_cipher->ucount = 1; NdisMoveMemory(pRsnie_cipher->ucast[0].oui, OUI_WPA2_TKIP, 4); *rsn_len = sizeof(RSNIE2); break; /* AES mode*/ case Ndis802_11AESEnable: if (bMixCipher) NdisMoveMemory(pRsnie_cipher->mcast, OUI_WPA2_TKIP, 4); else NdisMoveMemory(pRsnie_cipher->mcast, OUI_WPA2_CCMP, 4); pRsnie_cipher->ucount = 1; NdisMoveMemory(pRsnie_cipher->ucast[0].oui, OUI_WPA2_CCMP, 4); *rsn_len = sizeof(RSNIE2); break; /* TKIP-AES mix mode*/ case Ndis802_11TKIPAESMix: NdisMoveMemory(pRsnie_cipher->mcast, OUI_WPA2_TKIP, 4); PairwiseCnt = 1; /* Insert WPA2 TKIP as the first pairwise cipher */ if (MIX_CIPHER_WPA2_TKIP_ON(FlexibleCipher)) { NdisMoveMemory(pRsnie_cipher->ucast[0].oui, OUI_WPA2_TKIP, 4); /* Insert WPA2 AES as the secondary pairwise cipher*/ if (MIX_CIPHER_WPA2_AES_ON(FlexibleCipher)) { NdisMoveMemory(pRsnIe + sizeof(RSNIE2), OUI_WPA2_CCMP, 4); PairwiseCnt = 2; } } else { /* Insert WPA2 AES as the first pairwise cipher */ NdisMoveMemory(pRsnie_cipher->ucast[0].oui, OUI_WPA2_CCMP, 4); } pRsnie_cipher->ucount = PairwiseCnt; *rsn_len = sizeof(RSNIE2) + (4 * (PairwiseCnt - 1)); break; } #ifdef CONFIG_STA_SUPPORT if ((pAd->OpMode == OPMODE_STA) && (pAd->StaCfg.GroupCipher != Ndis802_11TKIPEnable) && (pAd->StaCfg.GroupCipher != Ndis802_11AESEnable) #ifdef CFG_SUPPORT_SUITB && (pAd->StaCfg.GroupCipher != Ndis802_11GCMP256Enable) #endif #ifdef P2P_SUPPORT && (apidx == BSS0) #endif /* P2P_SUPPORT */ ) { UINT GroupCipher = pAd->StaCfg.GroupCipher; switch(GroupCipher) { case Ndis802_11GroupWEP40Enabled: NdisMoveMemory(pRsnie_cipher->mcast, OUI_WPA2_WEP40, 4); break; case Ndis802_11GroupWEP104Enabled: NdisMoveMemory(pRsnie_cipher->mcast, OUI_WPA2_WEP104, 4); break; } } #endif /* CONFIG_STA_SUPPORT */ /* swap for big-endian platform*/ pRsnie_cipher->version = cpu2le16(pRsnie_cipher->version); pRsnie_cipher->ucount = cpu2le16(pRsnie_cipher->ucount); } else { RSNIE *pRsnie_cipher = (RSNIE*)pRsnIe; /* Assign OUI and version*/ NdisMoveMemory(pRsnie_cipher->oui, OUI_WPA_VERSION, 4); pRsnie_cipher->version = 1; switch (WepStatus) { /* TKIP mode*/ case Ndis802_11TKIPEnable: NdisMoveMemory(pRsnie_cipher->mcast, OUI_WPA_TKIP, 4); pRsnie_cipher->ucount = 1; NdisMoveMemory(pRsnie_cipher->ucast[0].oui, OUI_WPA_TKIP, 4); *rsn_len = sizeof(RSNIE); break; /* AES mode*/ case Ndis802_11AESEnable: if (bMixCipher) NdisMoveMemory(pRsnie_cipher->mcast, OUI_WPA_TKIP, 4); else NdisMoveMemory(pRsnie_cipher->mcast, OUI_WPA_CCMP, 4); pRsnie_cipher->ucount = 1; NdisMoveMemory(pRsnie_cipher->ucast[0].oui, OUI_WPA_CCMP, 4); *rsn_len = sizeof(RSNIE); break; /* TKIP-AES mix mode*/ case Ndis802_11TKIPAESMix: NdisMoveMemory(pRsnie_cipher->mcast, OUI_WPA_TKIP, 4); PairwiseCnt = 1; /* Insert WPA TKIP as the first pairwise cipher */ if (MIX_CIPHER_WPA_TKIP_ON(FlexibleCipher)) { NdisMoveMemory(pRsnie_cipher->ucast[0].oui, OUI_WPA_TKIP, 4); /* Insert WPA AES as the secondary pairwise cipher*/ if (MIX_CIPHER_WPA_AES_ON(FlexibleCipher)) { NdisMoveMemory(pRsnIe + sizeof(RSNIE), OUI_WPA_CCMP, 4); PairwiseCnt = 2; } } else { /* Insert WPA AES as the first pairwise cipher */ NdisMoveMemory(pRsnie_cipher->ucast[0].oui, OUI_WPA_CCMP, 4); } pRsnie_cipher->ucount = PairwiseCnt; *rsn_len = sizeof(RSNIE) + (4 * (PairwiseCnt - 1)); break; } #ifdef CONFIG_STA_SUPPORT if ((pAd->OpMode == OPMODE_STA) && (pAd->StaCfg.GroupCipher != Ndis802_11TKIPEnable) && (pAd->StaCfg.GroupCipher != Ndis802_11AESEnable) #ifdef CFG_SUPPORT_SUITB && (pAd->StaCfg.GroupCipher != Ndis802_11GCMP256Enable) #endif #ifdef P2P_SUPPORT && (apidx == BSS0) #endif /* P2P_SUPPORT */ ) { UINT GroupCipher = pAd->StaCfg.GroupCipher; switch(GroupCipher) { case Ndis802_11GroupWEP40Enabled: NdisMoveMemory(pRsnie_cipher->mcast, OUI_WPA_WEP40, 4); break; case Ndis802_11GroupWEP104Enabled: NdisMoveMemory(pRsnie_cipher->mcast, OUI_WPA_WEP104, 4); break; } } #endif /* CONFIG_STA_SUPPORT */ /* swap for big-endian platform*/ pRsnie_cipher->version = cpu2le16(pRsnie_cipher->version); pRsnie_cipher->ucount = cpu2le16(pRsnie_cipher->ucount); } } /* ======================================================================== Routine Description: Build AKM suite in RSN-IE. It only shall be called by RTMPMakeRSNIE. Arguments: pAd - pointer to our pAdapter context ElementID - indicate the WPA1 or WPA2 AuthMode - indicate the authentication mode apidx - indicate the interface index Return Value: Note: ======================================================================== */ static VOID RTMPMakeRsnIeAKM( IN PRTMP_ADAPTER pAd, IN UCHAR ElementID, IN UINT AuthMode, #ifdef WPA3_SUPPORT IN UINT32 AKMSuite, #endif IN UCHAR apidx, OUT PUCHAR pRsnIe, OUT UCHAR *rsn_len) { RSNIE_AUTH *pRsnie_auth; UCHAR AkmCnt = 1; /* default as 1*/ #ifdef DOT11R_FT_SUPPORT BOOLEAN bFtEnabled = FALSE; UINT8 FtAkmOui[8]; #endif /* DOT11R_FT_SUPPORT */ pRsnie_auth = (RSNIE_AUTH*)(pRsnIe + (*rsn_len)); /* decide WPA2 or WPA1 */ if (ElementID == Wpa2Ie) { #ifdef DOT11R_FT_SUPPORT #ifdef CONFIG_AP_SUPPORT IF_DEV_CONFIG_OPMODE_ON_AP(pAd) { if (apidx < pAd->ApCfg.BssidNum) { /* Indicate the FT is enabld*/ if (pAd->ApCfg.MBSSID[apidx].FtCfg.FtCapFlag.Dot11rFtEnable) { bFtEnabled = TRUE; AkmCnt = 2; if (AuthMode == Ndis802_11AuthModeWPA2 || AuthMode == Ndis802_11AuthModeWPA1WPA2) { NdisMoveMemory(FtAkmOui, OUI_WPA2_8021X_AKM, 4); NdisMoveMemory(&FtAkmOui[4], OUI_FT_8021X_AKM, 4); } else if (AuthMode == Ndis802_11AuthModeWPA2PSK || AuthMode == Ndis802_11AuthModeWPA1PSKWPA2PSK #ifdef WPA3_SUPPORT || (AuthMode == Ndis802_11AuthModeWPA3SAE) #endif ) { NdisMoveMemory(FtAkmOui, OUI_WPA2_PSK_AKM, 4); NdisMoveMemory(&FtAkmOui[4], OUI_FT_PSK_AKM, 4); } else AkmCnt = 0; } } } #endif /* CONFIG_AP_SUPPORT */ #ifdef CONFIG_STA_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { /* Indicate the FT is enabld*/ if (pAd->MlmeAux.MdIeInfo.Len > 0) { bFtEnabled = TRUE; if (AuthMode == Ndis802_11AuthModeWPA2) NdisMoveMemory(&FtAkmOui[0], OUI_FT_8021X_AKM, 4); else if (AuthMode == Ndis802_11AuthModeWPA2PSK) NdisMoveMemory(&FtAkmOui[0], OUI_FT_PSK_AKM, 4); #ifdef WPA3_SUPPORT else if (AuthMode == Ndis802_11AuthModeWPA3SAE) NdisMoveMemory(&FtAkmOui[0], OUI_FT_SAE_AKM, 4); #endif else AkmCnt = 0; } } #endif /* CONFIG_STA_SUPPORT */ #endif /* DOT11R_FT_SUPPORT */ #ifdef WPA3_SUPPORT #ifdef MESH_SUPPORT if ((apidx >= MIN_NET_DEVICE_FOR_MESH) #ifdef P2P_SUPPORT && (apidx < MIN_NET_DEVICE_FOR_DLS) #endif /* P2P_SUPPORT */ ) { if ((AuthMode == Ndis802_11AuthModeWPA2) ||(AuthMode == Ndis802_11AuthModeWPA1WPA2)) NdisMoveMemory(pRsnie_auth->auth[0].oui, OUI_MSA_8021X_AKM, 4); else if((AuthMode == Ndis802_11AuthModeWPA2PSK) ||(AuthMode == Ndis802_11AuthModeWPA1PSKWPA2PSK) #ifdef WPA3_SUPPORT || (AuthMode == Ndis802_11AuthModeWPA3SAE) || (AuthMode == Ndis802_11AuthModeWPA2PSKWPA3SAE) #endif ) NdisMoveMemory(pRsnie_auth->auth[0].oui, OUI_MSA_PSK_AKM, 4); } else #endif /* MESH_SUPPORT */ #ifdef DOT11R_FT_SUPPORT if (bFtEnabled && (AkmCnt > 0)) { /* append the primary AKM suite */ NdisMoveMemory(pRsnie_auth->auth[0].oui, FtAkmOui, 4); /* Append the secondary AKM suite if it exists */ if (AkmCnt == 2) { /* Get the offset of the end of 1st AKM suite */ UCHAR ext_akm_offset = (*rsn_len) + sizeof(RSNIE_AUTH); NdisMoveMemory(pRsnIe + ext_akm_offset, &FtAkmOui[4] , 4); } } else #endif /* DOT11R_FT_SUPPORT */ switch (AKMSuite) { case RSN_AKM_SUITE_802_1X: NdisMoveMemory(pRsnie_auth->auth[0].oui, OUI_WPA2_8021X_AKM, 4); break; case RSN_AKM_SUITE_PSK: NdisMoveMemory(pRsnie_auth->auth[0].oui, OUI_WPA2_PSK_AKM, 4); break; #ifdef CFG_SUPPORT_802_11W case RSN_AKM_SUITE_802_1X_SHA256: NdisMoveMemory(pRsnie_auth->auth[0].oui, OUI_WPA2_1X_SHA256, 4); break; case RSN_AKM_SUITE_PSK_SHA256: NdisMoveMemory(pRsnie_auth->auth[0].oui, OUI_WPA2_PSK_SHA256, 4); break; #endif #ifdef CFG_SUPPORT_SAE case RSN_AKM_SUITE_SAE: NdisMoveMemory(pRsnie_auth->auth[0].oui, OUI_WPA3_SAE_AKM, 4); break; #endif #ifdef CFG_SUPPORT_SUITEB case RSN_AKM_SUITE_8021X_SUITE_B: NdisMoveMemory(pRsnie_auth->auth[0].oui, OUI_WPA3_1X_SUITEB_AKM, 4); break; case RSN_AKM_SUITE_8021X_SUITE_B_192: NdisMoveMemory(pRsnie_auth->auth[0].oui, OUI_WPA3_1X_SUITEB192_AKM, 4); break; #endif #ifdef CFG_SUPPORT_OWE case RSN_AKM_SUITE_OWE: NdisMoveMemory(pRsnie_auth->auth[0].oui, OUI_WPA3_OWE_AKM, 4); break; #endif case RSN_AKM_SUITE_NONE: NdisMoveMemory(pRsnie_auth->auth[0].oui, OUI_WPA2_NONE, 4); break; case WPA_AKM_SUITE_802_1X: NdisMoveMemory(pRsnie_auth->auth[0].oui, OUI_WPA_8021X_AKM, 4); break; case WPA_AKM_SUITE_PSK: NdisMoveMemory(pRsnie_auth->auth[0].oui, OUI_WPA_PSK_AKM, 4); break; case WPA_AKM_SUITE_NONE: NdisMoveMemory(pRsnie_auth->auth[0].oui, OUI_WPA_NONE_AKM, 4); break; default: AkmCnt = 0; break; } #else switch (AuthMode) { case Ndis802_11AuthModeWPA2: case Ndis802_11AuthModeWPA1WPA2: #ifdef MESH_SUPPORT if ((apidx >= MIN_NET_DEVICE_FOR_MESH) #ifdef P2P_SUPPORT && (apidx < MIN_NET_DEVICE_FOR_DLS) #endif /* P2P_SUPPORT */ ) NdisMoveMemory(pRsnie_auth->auth[0].oui, OUI_MSA_8021X_AKM, 4); else #endif /* MESH_SUPPORT */ #ifdef DOT11R_FT_SUPPORT if (bFtEnabled && (AkmCnt > 0)) { /* append the primary AKM suite */ NdisMoveMemory(pRsnie_auth->auth[0].oui, FtAkmOui, 4); /* Append the secondary AKM suite if it exists */ if (AkmCnt == 2) { /* Get the offset of the end of 1st AKM suite */ UCHAR ext_akm_offset = (*rsn_len) + sizeof(RSNIE_AUTH); NdisMoveMemory(pRsnIe + ext_akm_offset, &FtAkmOui[4] , 4); } } else #endif /* DOT11R_FT_SUPPORT */ NdisMoveMemory(pRsnie_auth->auth[0].oui, OUI_WPA2_8021X_AKM, 4); #ifdef DOT11W_PMF_SUPPORT #ifdef CONFIG_AP_SUPPORT IF_DEV_CONFIG_OPMODE_ON_AP(pAd) { if (pAd->ApCfg.MBSSID[apidx].PmfCfg.MFPR) { NdisMoveMemory(pRsnie_auth->auth[0].oui, OUI_WPA2_1X_SHA256, 4); DBGPRINT(RT_DEBUG_WARN, ("[PMF]%s: Insert 1X-SHA256 to AKM of RSNIE\n", __FUNCTION__)); } else if ((pAd->ApCfg.MBSSID[apidx].PmfCfg.MFPC) && (pAd->ApCfg.MBSSID[apidx].PmfCfg.PMFSHA256)) { NdisMoveMemory(pRsnie_auth->auth[0].oui + (4*AkmCnt), OUI_WPA2_1X_SHA256, 4); AkmCnt++; DBGPRINT(RT_DEBUG_WARN, ("[PMF]%s: Insert 1X-SHA256 to AKM of RSNIE\n", __FUNCTION__)); } } #endif /* CONFIG_AP_SUPPORT */ #ifdef CONFIG_STA_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { ULONG BssIdx; BSS_ENTRY *pInBss = NULL; BssIdx = BssTableSearchWithSSID(&pAd->MlmeAux.SsidBssTab, pAd->MlmeAux.Bssid, pAd->MlmeAux.Ssid, pAd->MlmeAux.SsidLen, pAd->CommonCfg.Channel); if (BssIdx != BSS_NOT_FOUND) { pInBss = &pAd->MlmeAux.SsidBssTab.BssEntry[BssIdx]; if (CLIENT_STATUS_TEST_FLAG(pInBss, fCLIENT_STATUS_USE_SHA256)) { NdisMoveMemory(pRsnie_auth->auth[0].oui, OUI_WPA2_1X_SHA256, 4); DBGPRINT(RT_DEBUG_WARN, ("[PMF]%s: Insert 1X-SHA256 to AKM of RSNIE\n", __FUNCTION__)); } } } #endif /* CONFIG_STA_SUPPORT */ #endif /* DOT11W_PMF_SUPPORT */ break; case Ndis802_11AuthModeWPA2PSK: case Ndis802_11AuthModeWPA1PSKWPA2PSK: #ifdef WPA3_SUPPORT case Ndis802_11AuthModeWPA3SAE: case Ndis802_11AuthModeWPA2PSKWPA3SAE #endif #ifdef MESH_SUPPORT if ((apidx >= MIN_NET_DEVICE_FOR_MESH) #ifdef P2P_SUPPORT && (apidx < MIN_NET_DEVICE_FOR_DLS) #endif /* P2P_SUPPORT */ ) NdisMoveMemory(pRsnie_auth->auth[0].oui, OUI_MSA_PSK_AKM, 4); else #endif /* MESH_SUPPORT */ #ifdef DOT11R_FT_SUPPORT if (bFtEnabled && (AkmCnt > 0)) { /* append the primary AKM suite */ NdisMoveMemory(pRsnie_auth->auth[0].oui, FtAkmOui, 4); /* Append the secondary AKM suite if it exists */ if (AkmCnt == 2) { /* Get the offset of the end of 1st AKM suite */ UCHAR ext_akm_offset = (*rsn_len) + sizeof(RSNIE_AUTH); NdisMoveMemory(pRsnIe + ext_akm_offset, &FtAkmOui[4] , 4); } } else #endif /* DOT11R_FT_SUPPORT */ NdisMoveMemory(pRsnie_auth->auth[0].oui, OUI_WPA2_PSK_AKM, 4); #ifdef DOT11W_PMF_SUPPORT #ifdef CONFIG_AP_SUPPORT IF_DEV_CONFIG_OPMODE_ON_AP(pAd) { if (pAd->ApCfg.MBSSID[apidx].PmfCfg.MFPR) { NdisMoveMemory(pRsnie_auth->auth[0].oui, OUI_WPA2_PSK_SHA256, 4); DBGPRINT(RT_DEBUG_WARN, ("[PMF]%s: Insert PSK-SHA256 to AKM of RSNIE\n", __FUNCTION__)); } else if ((pAd->ApCfg.MBSSID[apidx].PmfCfg.MFPC) && (pAd->ApCfg.MBSSID[apidx].PmfCfg.PMFSHA256)) { NdisMoveMemory(pRsnie_auth->auth[0].oui + (4*AkmCnt), OUI_WPA2_PSK_SHA256, 4); AkmCnt++; DBGPRINT(RT_DEBUG_WARN, ("[PMF]%s: Insert PSK-SHA256 to AKM of RSNIE\n", __FUNCTION__)); } } #endif /* CONFIG_AP_SUPPORT */ #ifdef CONFIG_STA_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { ULONG BssIdx; BSS_ENTRY *pInBss = NULL; BssIdx = BssTableSearchWithSSID(&pAd->MlmeAux.SsidBssTab, pAd->MlmeAux.Bssid, pAd->MlmeAux.Ssid, pAd->MlmeAux.SsidLen, pAd->CommonCfg.Channel); if (BssIdx != BSS_NOT_FOUND) { pInBss = &pAd->MlmeAux.SsidBssTab.BssEntry[BssIdx]; if (CLIENT_STATUS_TEST_FLAG(pInBss, fCLIENT_STATUS_USE_SHA256)) { NdisMoveMemory(pRsnie_auth->auth[0].oui, OUI_WPA2_PSK_SHA256, 4); DBGPRINT(RT_DEBUG_WARN, ("[PMF]%s: Insert PSK-SHA256 to AKM of RSNIE\n", __FUNCTION__)); } } } #endif /* CONFIG_STA_SUPPORT */ #endif /* DOT11W_PMF_SUPPORT */ break; default: AkmCnt = 0; break; } #endif /* WPA3_SUPPORT */ } else { switch (AuthMode) { case Ndis802_11AuthModeWPA: case Ndis802_11AuthModeWPA1WPA2: NdisMoveMemory(pRsnie_auth->auth[0].oui, OUI_WPA_8021X_AKM, 4); break; case Ndis802_11AuthModeWPAPSK: case Ndis802_11AuthModeWPA1PSKWPA2PSK: NdisMoveMemory(pRsnie_auth->auth[0].oui, OUI_WPA_PSK_AKM, 4); break; case Ndis802_11AuthModeWPANone: NdisMoveMemory(pRsnie_auth->auth[0].oui, OUI_WPA_NONE_AKM, 4); break; default: AkmCnt = 0; break; } } pRsnie_auth->acount = AkmCnt; pRsnie_auth->acount = cpu2le16(pRsnie_auth->acount); /* update current RSNIE length*/ (*rsn_len) += (sizeof(RSNIE_AUTH) + (4 * (AkmCnt - 1))); } /* ======================================================================== Routine Description: Build capability in RSN-IE. It only shall be called by RTMPMakeRSNIE. Arguments: pAd - pointer to our pAdapter context ElementID - indicate the WPA1 or WPA2 apidx - indicate the interface index Return Value: Note: ======================================================================== */ static VOID RTMPMakeRsnIeCap( IN PRTMP_ADAPTER pAd, IN UCHAR ElementID, #ifdef WPA3_SUPPORT IN P_RSN_INFO_T pRsnInfo, IN UINT32 AKMSuite, IN UINT8 ucRSNMfpCap, #endif IN UCHAR apidx, OUT PUCHAR pRsnIe, OUT UCHAR *rsn_len) { #ifndef WPA3_SUPPORT RSN_CAPABILITIES *pRSN_Cap; #else PUCHAR pRSN_Cap; PUINT16 pTemp_Cap; #endif /* it could be ignored in WPA1 mode*/ if (ElementID == WpaIe) return; #ifndef WPA3_SUPPORT pRSN_Cap = (RSN_CAPABILITIES*)(pRsnIe + (*rsn_len)); #else pRSN_Cap = (PUCHAR)(pRsnIe + (*rsn_len)); pTemp_Cap = &pRsnInfo->u2RsnCap; #endif #ifdef CONFIG_AP_SUPPORT IF_DEV_CONFIG_OPMODE_ON_AP(pAd) { if (apidx < pAd->ApCfg.BssidNum) { #ifndef WPA3_SUPPORT #if defined(DOT1X_SUPPORT) || defined(DOT11W_PMF_SUPPORT) BSS_STRUCT *pMbss = &pAd->ApCfg.MBSSID[apidx]; #endif /* DOT1X_SUPPORT || DOT11W_PMF_SUPPORT */ #ifdef DOT1X_SUPPORT pRSN_Cap->field.PreAuth = (pMbss->PreAuth == TRUE) ? 1 : 0; #endif /* DOT1X_SUPPORT */ #ifdef DOT11W_PMF_SUPPORT pRSN_Cap->field.MFPC = (pMbss->PmfCfg.MFPC) ? 1 : 0; pRSN_Cap->field.MFPR = (pMbss->PmfCfg.MFPR) ? 1 : 0; DBGPRINT(RT_DEBUG_ERROR, ("[PMF]%s: RSNIE Capability MFPC=%d, MFPR=%d\n", __FUNCTION__, pRSN_Cap->field.MFPC, pRSN_Cap->field.MFPR)); #endif /* DOT11W_PMF_SUPPORT */ #endif } } #endif /* CONFIG_AP_SUPPORT */ #ifdef CONFIG_STA_SUPPORT #ifndef WPA3_SUPPORT #ifdef DOT11W_PMF_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { pRSN_Cap->field.MFPC = (pAd->StaCfg.PmfCfg.MFPC) ? 1 : 0; pRSN_Cap->field.MFPR = (pAd->StaCfg.PmfCfg.MFPR) ? 1 : 0; DBGPRINT(RT_DEBUG_ERROR, ("[PMF]%s: RSNIE Capability MFPC=%d, MFPR=%d\n", __FUNCTION__, pRSN_Cap->field.MFPC, pRSN_Cap->field.MFPR)); } #endif /* DOT11W_PMF_SUPPORT */ #ifdef P2P_SUPPORT if (apidx >= MIN_NET_DEVICE_FOR_P2P_GO) { BSS_STRUCT *pMbss = &pAd->ApCfg.MBSSID[MAIN_MBSSID]; #ifdef DOT1X_SUPPORT pRSN_Cap->field.PreAuth = (pMbss->PreAuth == TRUE) ? 1 : 0; #endif /* DOT1X_SUPPORT */ } #endif /* P2P_SUPPORT */ #endif /* WPA3_SUPPORT*/ #endif /* CONFIG_STA_SUPPORT */ #ifdef WPA3_SUPPORT #ifdef CFG_SUPPORT_802_11W NdisMoveMemory(pRSN_Cap, (PUCHAR)pTemp_Cap, sizeof(UINT16)); DBGPRINT(RT_DEBUG_TRACE, ("Gen RSN IE Capability = %s\n", pRSN_Cap)); if (ucRSNMfpCap == RSN_AUTH_MFP_REQUIRED) { pRSN_Cap[0] = (UINT8)(ELEM_WPA_CAP_MFPC | ELEM_WPA_CAP_MFPR); pRSN_Cap[1] = (UINT8)((ELEM_WPA_CAP_MFPC | ELEM_WPA_CAP_MFPR) >> 8); DBGPRINT(RT_DEBUG_TRACE, ("RSN_AUTH_MFP - MFPC & MFPR\n")); } else if (ucRSNMfpCap == RSN_AUTH_MFP_OPTIONAL) { pRSN_Cap[0] = (UINT8)(ELEM_WPA_CAP_MFPC); pRSN_Cap[1] = (UINT8)(ELEM_WPA_CAP_MFPC >> 8); DBGPRINT(RT_DEBUG_TRACE, ("RSN_AUTH_MFP - MFPC\n")); } else DBGPRINT(RT_DEBUG_TRACE, ("!RSN_AUTH_MFP - No MFPC!\n")); #else /* Capabilities */ NdisMoveMemory(pRSN_Cap, (PUCHAR)pTemp_Cap, sizeof(UINT16)); #endif pRSN_Cap += sizeof(UINT16); (*rsn_len) += sizeof(UINT16); #else pRSN_Cap->word = cpu2le16(pRSN_Cap->word); (*rsn_len) += sizeof(RSN_CAPABILITIES); /* update current RSNIE length*/ #endif } /* ======================================================================== Routine Description: Build PMKID in RSN-IE. It only shall be called by RTMPMakeRSNIE. Arguments: pAd - pointer to our pAdapter context ElementID - indicate the WPA1 or WPA2 apidx - indicate the interface index Return Value: Note: ======================================================================== */ #ifdef DOT11W_PMF_SUPPORT static VOID RTMPInsertRsnIeZeroPMKID( IN PRTMP_ADAPTER pAd, IN UCHAR ElementID, #ifdef WPA3_SUPPORT IN UINT32 AKMSuite, IN P_RSN_INFO_T pRsnInfo, #endif IN UCHAR apidx, OUT PUCHAR pRsnIe, OUT UCHAR *rsn_len) { PUINT8 pBuf; #ifndef WPA3_SUPPORT UCHAR ZeroPmkID[2] = {0x00, 0x00}; #else PUINT16 pTemp_PmkidCnt; #endif /* it could be ignored in WPA1 mode*/ if (ElementID == WpaIe) return; #ifdef WPA3_SUPPORT pBuf = (pRsnIe + (*rsn_len)); pTemp_PmkidCnt = &pRsnInfo->u2PmkidCnt; if (AKMSuite == RSN_AKM_SUITE_SAE || AKMSuite == RSN_AKM_SUITE_OWE) { /*Fill PMKID and Group Management Cipher for AIS */ /* Fill PMKID Count field */ NdisMoveMemory(pBuf, (PUCHAR)pTemp_PmkidCnt, sizeof(UINT16)); pBuf += 2; (*rsn_len) += sizeof(UINT16); /* Fill PMKID List field */ if (pRsnInfo->u2PmkidCnt > 0) NdisMoveMemory(pBuf, pRsnInfo->aucPmkidList, (pRsnInfo->u2PmkidCnt * RSN_PMKID_LEN)); pBuf += (pRsnInfo->u2PmkidCnt * RSN_PMKID_LEN); (*rsn_len) += (pRsnInfo->u2PmkidCnt * RSN_PMKID_LEN); } #else #ifdef CONFIG_AP_SUPPORT IF_DEV_CONFIG_OPMODE_ON_AP(pAd) { if (apidx < pAd->ApCfg.BssidNum) { BSS_STRUCT *pMbss = &pAd->ApCfg.MBSSID[apidx]; if (pMbss->PmfCfg.MFPC) goto InsertPMKIDCount; } } #endif /* CONFIG_AP_SUPPORT */ #ifdef CONFIG_STA_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { if (pAd->StaCfg.PmfCfg.MFPC) goto InsertPMKIDCount; } #endif /* CONFIG_STA_SUPPORT */ return; InsertPMKIDCount: pBuf = (pRsnIe + (*rsn_len)); NdisMoveMemory(pBuf, ZeroPmkID, 2); (*rsn_len) += 2; /* update current RSNIE length */ #endif } #endif /* DOT11W_PMF_SUPPORT */ /* ======================================================================== Routine Description: Build RSN IE context. It is not included element-ID and length. Arguments: pAd - pointer to our pAdapter context AuthMode - indicate the authentication mode WepStatus - indicate the encryption type apidx - indicate the interface index Return Value: Note: ======================================================================== */ VOID RTMPMakeRSNIE(RTMP_ADAPTER *pAd, UINT AuthMode, UINT WepStatus, UCHAR apidx) { PUCHAR pRsnIe = NULL; /* primary RSNIE*/ UCHAR *rsnielen_cur_p = 0; /* the length of the primary RSNIE */ #ifdef CONFIG_AP_SUPPORT PUCHAR pRsnIe_ex = NULL; /* secondary RSNIE, it's ONLY used in WPA-mix mode */ BOOLEAN bMixRsnIe = FALSE; /* indicate WPA-mix mode is on or off*/ UCHAR s_offset; #endif /* CONFIG_AP_SUPPORT */ UCHAR *rsnielen_ex_cur_p = 0; /* the length of the secondary RSNIE */ UCHAR PrimaryRsnie; BOOLEAN bMixCipher = FALSE; /* indicate the pairwise and group cipher are different*/ UCHAR p_offset; WPA_MIX_PAIR_CIPHER FlexibleCipher = MIX_CIPHER_NOTUSE; /* it provide the more flexible cipher combination in WPA-WPA2 and TKIPAES mode*/ #ifdef WPA3_SUPPORT UINT32 AKMSuite; #ifdef CFG_SUPPORT_802_11W UINT8 ucRSNMfpCap; #endif P_RSN_INFO_T pRsnInfo; #endif rsnielen_cur_p = NULL; rsnielen_ex_cur_p = NULL; do { #ifdef P2P_SUPPORT if (apidx >= MIN_NET_DEVICE_FOR_P2P_GO) { if ((AuthMode != Ndis802_11AuthModeWPA) && (AuthMode != Ndis802_11AuthModeWPAPSK) && (AuthMode != Ndis802_11AuthModeWPA2) && (AuthMode != Ndis802_11AuthModeWPA2PSK) && (AuthMode != Ndis802_11AuthModeWPA1WPA2) && (AuthMode != Ndis802_11AuthModeWPA1PSKWPA2PSK) #ifdef WPA3_SUPPORT && (AuthMode != Ndis802_11AuthModeWPA3SAE) && (AuthMode != Ndis802_11AuthModeWPA2PSKWPA3SAE) #endif #ifdef WAPI_SUPPORT && (AuthMode != Ndis802_11AuthModeWAICERT) && (AuthMode != Ndis802_11AuthModeWAIPSK) #endif /* WAPI_SUPPORT */ ) return; DBGPRINT(RT_DEBUG_TRACE,("==> RTMPMakeRSNIE(p2p%d)\n", MAIN_MBSSID)); /* decide the group key encryption type */ if (WepStatus == Ndis802_11TKIPAESMix) { pAd->ApCfg.MBSSID[MAIN_MBSSID].wdev.GroupKeyWepStatus = Ndis802_11TKIPEnable; FlexibleCipher = pAd->ApCfg.MBSSID[MAIN_MBSSID].wdev.WpaMixPairCipher; } else pAd->ApCfg.MBSSID[MAIN_MBSSID].wdev.GroupKeyWepStatus = WepStatus; #ifdef WPA3_SUPPORT AKMSuite = pAd->ApCfg.MBSSID[MAIN_MBSSID].AKMSuite; #ifdef CFG_SUPPORT_802_11W ucRSNMfpCap = pAd->ApCfg.MBSSID[MAIN_MBSSID].ucRSNMfpCap; #endif pRsnInfo = &pAd->ApCfg.MBSSID[MAIN_MBSSID].RsnInfo; #endif /* Initiate some related information */ pAd->ApCfg.MBSSID[MAIN_MBSSID].RSNIE_Len[0] = 0; pAd->ApCfg.MBSSID[MAIN_MBSSID].RSNIE_Len[1] = 0; NdisZeroMemory(pAd->ApCfg.MBSSID[MAIN_MBSSID].RSN_IE[0], MAX_LEN_OF_RSNIE); NdisZeroMemory(pAd->ApCfg.MBSSID[MAIN_MBSSID].RSN_IE[1], MAX_LEN_OF_RSNIE); /* Pointer to the first RSNIE context */ rsnielen_cur_p = &pAd->ApCfg.MBSSID[MAIN_MBSSID].RSNIE_Len[0]; pRsnIe = pAd->ApCfg.MBSSID[MAIN_MBSSID].RSN_IE[0]; /* Pointer to the secondary RSNIE context */ rsnielen_ex_cur_p = &pAd->ApCfg.MBSSID[MAIN_MBSSID].RSNIE_Len[1]; pRsnIe_ex = pAd->ApCfg.MBSSID[MAIN_MBSSID].RSN_IE[1]; /* Decide whether the authentication mode is WPA1-WPA2 mixed mode */ if ((AuthMode == Ndis802_11AuthModeWPA1WPA2) || (AuthMode == Ndis802_11AuthModeWPA1PSKWPA2PSK)) #ifdef WPA3_SUPPORT || (AuthMode == Ndis802_11AuthModeWPA2PSKWPA3SAE) #endif { bMixRsnIe = TRUE; } break; } #endif /* P2P_SUPPORT */ #ifdef MESH_SUPPORT if (apidx >= MIN_NET_DEVICE_FOR_MESH) { /* Only support WPANONE for Mesh Link */ if ((AuthMode != Ndis802_11AuthModeWPANone)/* && (AuthMode != Ndis802_11AuthModeWPA2PSK) && (AuthMode != Ndis802_11AuthModeWPA2)*/) return; /* ONLY support TKIP or AES, not mix mode */ if ((WepStatus != Ndis802_11TKIPEnable) && (WepStatus != Ndis802_11AESEnable)) return; DBGPRINT(RT_DEBUG_TRACE,("==> RTMPMakeRSNIE(mesh)\n")); /* initiate the related information*/ pAd->MeshTab.RSNIE_Len = 0; NdisZeroMemory(pAd->MeshTab.RSN_IE, MAX_LEN_OF_RSNIE); rsnielen_cur_p = &pAd->MeshTab.RSNIE_Len; pRsnIe = pAd->MeshTab.RSN_IE; break; } else #endif /* MESH_SUPPORT */ #ifdef APCLI_SUPPORT if (apidx >= MIN_NET_DEVICE_FOR_APCLI) { UINT apcliIfidx = 0; /* Only support WPAPSK or WPA2PSK for AP-Client mode */ #ifdef WPA_SUPPLICANT_SUPPORT if (pAd->ApCfg.ApCliTab[apcliIfidx].wpa_supplicant_info.WpaSupplicantUP != WPA_SUPPLICANT_DISABLE) { if (AuthMode < Ndis802_11AuthModeWPA) return; } else #endif /* WPA_SUPPLICANT_SUPPORT */ { if ((AuthMode != Ndis802_11AuthModeWPAPSK) && (AuthMode != Ndis802_11AuthModeWPA2PSK) #ifdef WPA3_SUPPORT && (AuthMode != Ndis802_11AuthModeWPA3SAE) && (AuthMode != Ndis802_11AuthModeWPA2PSKWPA3SAE) #endif ) return; } DBGPRINT(RT_DEBUG_TRACE,("==> RTMPMakeRSNIE(ApCli)\n")); apcliIfidx = apidx - MIN_NET_DEVICE_FOR_APCLI; /* Initiate some related information */ if (apcliIfidx < MAX_APCLI_NUM) { pAd->ApCfg.ApCliTab[apcliIfidx].RSNIE_Len = 0; NdisZeroMemory(pAd->ApCfg.ApCliTab[apcliIfidx].RSN_IE, MAX_LEN_OF_RSNIE); rsnielen_cur_p = &pAd->ApCfg.ApCliTab[apcliIfidx].RSNIE_Len; pRsnIe = pAd->ApCfg.ApCliTab[apcliIfidx].RSN_IE; bMixCipher = pAd->ApCfg.ApCliTab[apcliIfidx].bMixCipher; #ifdef WPA3_SUPPORT AKMSuite = pAd->ApCfg.ApCliTab[apcliIfidx].AKMSuite; #ifdef CFG_SUPPORT_802_11W ucRSNMfpCap = pAd->ApCfg.ApCliTab[apcliIfidx].ucRSNMfpCap; #endif pRsnInfo = &pAd->ApCfg.ApCliTab[apcliIfidx].RsnInfo; #endif break; } else { DBGPRINT(RT_DEBUG_ERROR, ("RTMPMakeRSNIE: invalid apcliIfidx(%d)\n", apcliIfidx)); return; } } #endif /* APCLI_SUPPORT */ #ifdef CONFIG_AP_SUPPORT IF_DEV_CONFIG_OPMODE_ON_AP(pAd) { /* Sanity check for apidx */ MBSS_MR_APIDX_SANITY_CHECK(pAd, apidx); #ifdef HOSTAPD_SUPPORT if(pAd->ApCfg.MBSSID[apidx].Hostapd) return; #endif /* HOSTAPD_SUPPORT */ if ((AuthMode != Ndis802_11AuthModeWPA) && (AuthMode != Ndis802_11AuthModeWPAPSK) && (AuthMode != Ndis802_11AuthModeWPA2) && (AuthMode != Ndis802_11AuthModeWPA2PSK) && (AuthMode != Ndis802_11AuthModeWPA1WPA2) && (AuthMode != Ndis802_11AuthModeWPA1PSKWPA2PSK) #ifdef WPA3_SUPPORT && (AuthMode != Ndis802_11AuthModeWPA3SAE) && (AuthMode != Ndis802_11AuthModeWPA2PSKWPA3SAE) #endif #ifdef WAPI_SUPPORT && (AuthMode != Ndis802_11AuthModeWAICERT) && (AuthMode != Ndis802_11AuthModeWAIPSK) #endif /* WAPI_SUPPORT */ ) return; DBGPRINT(RT_DEBUG_TRACE,("==> RTMPMakeRSNIE(AP-ra%d)\n", apidx)); /* decide the group key encryption type */ if (WepStatus == Ndis802_11TKIPAESMix) { pAd->ApCfg.MBSSID[apidx].wdev.GroupKeyWepStatus = Ndis802_11TKIPEnable; FlexibleCipher = pAd->ApCfg.MBSSID[apidx].wdev.WpaMixPairCipher; } else pAd->ApCfg.MBSSID[apidx].wdev.GroupKeyWepStatus = WepStatus; #ifdef WPA3_SUPPORT AKMSuite = pAd->ApCfg.MBSSID[apidx].AKMSuite; #ifdef CFG_SUPPORT_802_11W ucRSNMfpCap = pAd->ApCfg.MBSSID[apidx].ucRSNMfpCap; #endif pRsnInfo = &pAd->ApCfg.MBSSID[apidx].RsnInfo; #endif /* Initiate some related information */ pAd->ApCfg.MBSSID[apidx].RSNIE_Len[0] = 0; pAd->ApCfg.MBSSID[apidx].RSNIE_Len[1] = 0; NdisZeroMemory(pAd->ApCfg.MBSSID[apidx].RSN_IE[0], MAX_LEN_OF_RSNIE); NdisZeroMemory(pAd->ApCfg.MBSSID[apidx].RSN_IE[1], MAX_LEN_OF_RSNIE); /* Pointer to the first RSNIE context */ rsnielen_cur_p = &pAd->ApCfg.MBSSID[apidx].RSNIE_Len[0]; pRsnIe = pAd->ApCfg.MBSSID[apidx].RSN_IE[0]; /* Pointer to the secondary RSNIE context */ rsnielen_ex_cur_p = &pAd->ApCfg.MBSSID[apidx].RSNIE_Len[1]; pRsnIe_ex = pAd->ApCfg.MBSSID[apidx].RSN_IE[1]; /* Decide whether the authentication mode is WPA1-WPA2 mixed mode */ if ((AuthMode == Ndis802_11AuthModeWPA1WPA2) || (AuthMode == Ndis802_11AuthModeWPA1PSKWPA2PSK) #ifdef WPA3_SUPPORT || (AuthMode == Ndis802_11AuthModeWPA2PSKWPA3SAE) #endif ) { bMixRsnIe = TRUE; } break; } #endif /* CONFIG_AP_SUPPORT */ #ifdef CONFIG_STA_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { #ifdef WPA_SUPPLICANT_SUPPORT if (pAd->StaCfg.wpa_supplicant_info.WpaSupplicantUP != WPA_SUPPLICANT_DISABLE) { if (AuthMode < Ndis802_11AuthModeWPA) return; } else #endif /* WPA_SUPPLICANT_SUPPORT */ { /* Support WPAPSK or WPA2PSK in STA-Infra mode */ /* Support WPANone in STA-Adhoc mode */ if ((AuthMode != Ndis802_11AuthModeWPAPSK) && (AuthMode != Ndis802_11AuthModeWPA2PSK) && (AuthMode != Ndis802_11AuthModeWPANone) #ifdef WAPI_SUPPORT && (AuthMode != Ndis802_11AuthModeWAICERT) && (AuthMode != Ndis802_11AuthModeWAIPSK) #endif /* WAPI_SUPPORT */ #ifdef WPA3_SUPPORT && (AuthMode != Ndis802_11AuthModeWPA3SAE) && (AuthMode != Ndis802_11AuthModeWPA2PSKWPA3SAE) #endif ) return; } DBGPRINT(RT_DEBUG_INFO,("==> RTMPMakeRSNIE(STA)\n")); /* Zero RSNIE context */ pAd->StaCfg.RSNIE_Len = 0; NdisZeroMemory(pAd->StaCfg.RSN_IE, MAX_LEN_OF_RSNIE); /* Pointer to RSNIE */ rsnielen_cur_p = &pAd->StaCfg.RSNIE_Len; pRsnIe = pAd->StaCfg.RSN_IE; bMixCipher = pAd->StaCfg.bMixCipher; #ifdef WPA3_SUPPORT AKMSuite = pAd->StaCfg.AKMSuite; #ifdef CFG_SUPPORT_802_11W ucRSNMfpCap = pAd->StaCfg.ucRSNMfpCap; #endif pRsnInfo = &pAd->StaCfg.RsnInfo; #endif break; } #endif /* CONFIG_STA_SUPPORT */ } while(FALSE); #if 0 { #ifdef CONFIG_AP_SUPPORT IF_DEV_CONFIG_OPMODE_ON_AP(pAd) { #ifdef APCLI_SUPPORT if (apidx >= MIN_NET_DEVICE_FOR_APCLI) { UINT apcliIfidx = 0; /* Only support WPAPSK or WPA2PSK for AP-Client mode */ if ((AuthMode != Ndis802_11AuthModeWPAPSK) && (AuthMode != Ndis802_11AuthModeWPA2PSK)) return; DBGPRINT(RT_DEBUG_TRACE,("==> RTMPMakeRSNIE(ApCli)\n")); apcliIfidx = apidx - MIN_NET_DEVICE_FOR_APCLI; /* Initiate some related information*/ if (apcliIfidx < MAX_APCLI_NUM) { pAd->ApCfg.ApCliTab[apcliIfidx].RSNIE_Len = 0; NdisZeroMemory(pAd->ApCfg.ApCliTab[apcliIfidx].RSN_IE, MAX_LEN_OF_RSNIE); rsnielen_cur_p = &pAd->ApCfg.ApCliTab[apcliIfidx].RSNIE_Len; pRsnIe = pAd->ApCfg.ApCliTab[apcliIfidx].RSN_IE; bMixCipher = pAd->ApCfg.ApCliTab[apcliIfidx].bMixCipher; } else { DBGPRINT(RT_DEBUG_ERROR, ("RTMPMakeRSNIE: invalid apcliIfidx(%d)\n", apcliIfidx)); return; } } else #endif /* APCLI_SUPPORT */ { /* Sanity check for apidx */ MBSS_MR_APIDX_SANITY_CHECK(pAd, apidx); #ifdef HOSTAPD_SUPPORT if(pAd->ApCfg.MBSSID[apidx].Hostapd) return; #endif /* HOSTAPD_SUPPORT */ if ((AuthMode != Ndis802_11AuthModeWPA) && (AuthMode != Ndis802_11AuthModeWPAPSK) && (AuthMode != Ndis802_11AuthModeWPA2) && (AuthMode != Ndis802_11AuthModeWPA2PSK) && (AuthMode != Ndis802_11AuthModeWPA1WPA2) && (AuthMode != Ndis802_11AuthModeWPA1PSKWPA2PSK) #ifdef WAPI_SUPPORT && (AuthMode != Ndis802_11AuthModeWAICERT) && (AuthMode != Ndis802_11AuthModeWAIPSK) #endif /* WAPI_SUPPORT */ ) return; DBGPRINT(RT_DEBUG_TRACE,("==> RTMPMakeRSNIE(AP-ra%d)\n", apidx)); /* decide the group key encryption type*/ if (WepStatus == Ndis802_11TKIPAESMix) { pAd->ApCfg.MBSSID[apidx].GroupKeyWepStatus = Ndis802_11TKIPEnable; FlexibleCipher = pAd->ApCfg.MBSSID[apidx].WpaMixPairCipher; } else pAd->ApCfg.MBSSID[apidx].GroupKeyWepStatus = WepStatus; /* Initiate some related information*/ pAd->ApCfg.MBSSID[apidx].RSNIE_Len[0] = 0; pAd->ApCfg.MBSSID[apidx].RSNIE_Len[1] = 0; NdisZeroMemory(pAd->ApCfg.MBSSID[apidx].RSN_IE[0], MAX_LEN_OF_RSNIE); NdisZeroMemory(pAd->ApCfg.MBSSID[apidx].RSN_IE[1], MAX_LEN_OF_RSNIE); /* Pointer to the first RSNIE context*/ rsnielen_cur_p = &pAd->ApCfg.MBSSID[apidx].RSNIE_Len[0]; pRsnIe = pAd->ApCfg.MBSSID[apidx].RSN_IE[0]; /* Pointer to the secondary RSNIE context*/ rsnielen_ex_cur_p = &pAd->ApCfg.MBSSID[apidx].RSNIE_Len[1]; pRsnIe_ex = pAd->ApCfg.MBSSID[apidx].RSN_IE[1]; /* Decide whether the authentication mode is WPA1-WPA2 mixed mode*/ if ((AuthMode == Ndis802_11AuthModeWPA1WPA2) || (AuthMode == Ndis802_11AuthModeWPA1PSKWPA2PSK)) { bMixRsnIe = TRUE; } } } #endif /* CONFIG_AP_SUPPORT */ #ifdef CONFIG_STA_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { #ifdef WPA_SUPPLICANT_SUPPORT if (pAd->StaCfg.wpa_supplicant_info.WpaSupplicantUP != WPA_SUPPLICANT_DISABLE) { if (AuthMode < Ndis802_11AuthModeWPA) return; } else #endif /* WPA_SUPPLICANT_SUPPORT */ { /* Support WPAPSK or WPA2PSK in STA-Infra mode*/ /* Support WPANone in STA-Adhoc mode*/ if ((AuthMode != Ndis802_11AuthModeWPAPSK) && (AuthMode != Ndis802_11AuthModeWPA2PSK) && (AuthMode != Ndis802_11AuthModeWPANone) #ifdef WAPI_SUPPORT && (AuthMode != Ndis802_11AuthModeWAICERT) && (AuthMode != Ndis802_11AuthModeWAIPSK) #endif /* WAPI_SUPPORT */ ) return; } DBGPRINT(RT_DEBUG_TRACE,("==> RTMPMakeRSNIE(STA)\n")); /* Zero RSNIE context */ pAd->StaCfg.RSNIE_Len = 0; NdisZeroMemory(pAd->StaCfg.RSN_IE, MAX_LEN_OF_RSNIE); /* Pointer to RSNIE */ rsnielen_cur_p = &pAd->StaCfg.RSNIE_Len; pRsnIe = pAd->StaCfg.RSN_IE; bMixCipher = pAd->StaCfg.bMixCipher; } #endif /* CONFIG_STA_SUPPORT */ } #endif /*0*/ /* indicate primary RSNIE as WPA or WPA2*/ if ((AuthMode == Ndis802_11AuthModeWPA) || (AuthMode == Ndis802_11AuthModeWPAPSK) || (AuthMode == Ndis802_11AuthModeWPANone) || (AuthMode == Ndis802_11AuthModeWPA1WPA2) || (AuthMode == Ndis802_11AuthModeWPA1PSKWPA2PSK)) PrimaryRsnie = WpaIe; #ifdef WAPI_SUPPORT else if ((AuthMode == Ndis802_11AuthModeWAICERT) || (AuthMode == Ndis802_11AuthModeWAIPSK)) PrimaryRsnie = WapiIe; #endif /* WAPI_SUPPORT */ else PrimaryRsnie = Wpa2Ie; #ifdef WAPI_SUPPORT if (PrimaryRsnie == WapiIe) { RTMPInsertWapiIe(AuthMode, WepStatus, pRsnIe, &p_offset); } else #endif /* WAPI_SUPPORT */ { if(pRsnIe) { /* Build the primary RSNIE*/ /* 1. insert cipher suite*/ DBGPRINT(RT_DEBUG_TRACE, ("%s: make RSN IE Cipher!\n", __func__)); RTMPMakeRsnIeCipher(pAd, PrimaryRsnie, WepStatus, apidx, bMixCipher, FlexibleCipher, pRsnIe, &p_offset); /* 2. insert AKM*/ DBGPRINT(RT_DEBUG_TRACE, ("%s: make RSN IE AKM!, p_offset %d\n", __func__, p_offset)); #ifdef WPA3_SUPPORT RTMPMakeRsnIeAKM(pAd, PrimaryRsnie, AuthMode, AKMSuite, apidx, pRsnIe, &p_offset); #else RTMPMakeRsnIeAKM(pAd, PrimaryRsnie, AuthMode, apidx, pRsnIe, &p_offset); #endif /* 3. insert capability*/ DBGPRINT(RT_DEBUG_TRACE, ("%s: make RSN IE Capability!, p_offset %d\n", __func__, p_offset)); #ifdef WPA3_SUPPORT RTMPMakeRsnIeCap(pAd, PrimaryRsnie, pRsnInfo, AKMSuite, ucRSNMfpCap, apidx, pRsnIe, &p_offset); #else RTMPMakeRsnIeCap(pAd, PrimaryRsnie, apidx, pRsnIe, &p_offset); #endif DBGPRINT(RT_DEBUG_TRACE, ("%s: RSN IE Len %d\n", __func__, p_offset)); #ifdef DOT11W_PMF_SUPPORT /* 4. Insert PMKID */ #ifdef WPA3_SUPPORT RTMPInsertRsnIeZeroPMKID(pAd, PrimaryRsnie, AKMSuite, pRsnInfo, apidx, pRsnIe, &p_offset); #else RTMPInsertRsnIeZeroPMKID(pAd, PrimaryRsnie, apidx, pRsnIe, &p_offset); #endif /* 5. Insert Group Management Cipher*/ #ifdef WPA3_SUPPORT PMF_MakeRsnIeGMgmtCipher(pAd, PrimaryRsnie, AKMSuite, pRsnInfo, apidx, pRsnIe, &p_offset); #else PMF_MakeRsnIeGMgmtCipher(pAd, PrimaryRsnie, apidx, pRsnIe, &p_offset); #endif #endif /* DOT11W_PMF_SUPPORT */ } } /* 4. update the RSNIE length*/ if (rsnielen_cur_p == NULL) { DBGPRINT(RT_DEBUG_ERROR, ("%s: rsnielen_cur_p == NULL!\n", __FUNCTION__)); return; } *rsnielen_cur_p = p_offset; hex_dump("The primary RSNIE", pRsnIe, (*rsnielen_cur_p)); #ifdef CONFIG_AP_SUPPORT if ((pAd->OpMode == OPMODE_AP) #ifdef P2P_SUPPORT || (apidx >= MIN_NET_DEVICE_FOR_P2P_GO) #endif /* P2P_SUPPORT */ ) { /* if necessary, build the secondary RSNIE*/ if (bMixRsnIe) { /* 1. insert cipher suite*/ RTMPMakeRsnIeCipher(pAd, Wpa2Ie, WepStatus, apidx, bMixCipher, FlexibleCipher, pRsnIe_ex, &s_offset); /* 2. insert AKM*/ #ifdef WPA3_SUPPORT RTMPMakeRsnIeAKM(pAd, Wpa2Ie, AuthMode, AKMSuite, apidx, pRsnIe_ex, &s_offset); #else RTMPMakeRsnIeAKM(pAd, Wpa2Ie, AuthMode, apidx, pRsnIe_ex, &s_offset); #endif /* 3. insert capability*/ #ifdef WPA3_SUPPORT RTMPMakeRsnIeCap(pAd, Wpa2Ie, pRsnInfo, AKMSuite, ucRSNMfpCap, apidx, pRsnIe_ex, &s_offset); #else RTMPMakeRsnIeCap(pAd, Wpa2Ie, apidx, pRsnIe_ex, &s_offset); #endif #ifdef DOT11W_PMF_SUPPORT /* 4. Insert PMKID */ #ifdef WPA3_SUPPORT RTMPInsertRsnIeZeroPMKID(pAd, Wpa2Ie, AKMSuite, pRsnInfo, apidx, pRsnIe_ex, &s_offset); #else RTMPInsertRsnIeZeroPMKID(pAd, Wpa2Ie, apidx, pRsnIe_ex, &s_offset); #endif /* 5. Insert Group Management Cipher*/ #ifdef WPA3_SUPPORT PMF_MakeRsnIeGMgmtCipher(pAd, Wpa2Ie, AKMSuite, pRsnInfo, apidx, pRsnIe_ex, &s_offset); #else PMF_MakeRsnIeGMgmtCipher(pAd, Wpa2Ie, apidx, pRsnIe_ex, &s_offset); #endif #endif /* DOT11W_PMF_SUPPORT */ /* Update the RSNIE length*/ *rsnielen_ex_cur_p = s_offset; hex_dump("The secondary RSNIE", pRsnIe_ex, (*rsnielen_ex_cur_p)); } } #endif /* CONFIG_AP_SUPPORT */ } #ifdef WPA3_SUPPORT /* ======================================================================== Routine Description: Parse RSN IE from upper layer. Arguments: pAd pointer to our pAdapter context prInfoElem Pointer to the RSN IE prRsnInfo Pointer to the BSSDescription structure to store the RSN information from the given RSN IE Return Value: TRUE Succeeded FALSE Failed Note: ======================================================================== */ BOOLEAN RTMPParseRSNIE(IN PRTMP_ADAPTER pAd, IN P_RSN_INFO_ELEM_T prInfoElem, OUT P_RSN_INFO_T prRsnInfo) { UINT32 i; INT32 u4RemainRsnIeLen; UINT16 u2Version; UINT16 u2Cap = 0; UINT32 u4GroupSuite = RSN_CIPHER_SUITE_CCMP; UINT32 u4GroupMgmtSuite = 0; UINT16 u2PairSuiteCount = 0; UINT16 u2AuthSuiteCount = 0; PUINT8 pucPairSuite = NULL; PUINT8 pucAuthSuite = NULL; PUINT8 cp; #ifdef WPA3_SUPPORT UINT16 u2DesiredPmkidCnt = 0; UINT16 u2SupportedPmkidCnt = 0; #endif /* Verify the length of the RSN IE. */ if (prInfoElem->ucLength < 2) { DBGPRINT(RT_DEBUG_TRACE, ("RSN IE length too short (length=%d)\n", prInfoElem->ucLength)); return FALSE; } /* Check RSN version: currently, we only support version 1. */ WLAN_GET_FIELD_16(&prInfoElem->u2Version, &u2Version); if (prInfoElem->u2Version != 1) { DBGPRINT(RT_DEBUG_TRACE, ("Unsupported RSN IE version: %d\n", u2Version)); return FALSE; } cp = (PUCHAR)&prInfoElem->u4GroupKeyCipherSuite; u4RemainRsnIeLen = (INT32) prInfoElem->ucLength - 2; do { /* Parse the Group Key Cipher Suite field. */ if (u4RemainRsnIeLen == 0) break; if (u4RemainRsnIeLen < 4) { DBGPRINT(RT_DEBUG_TRACE, ("Fail to parse RSN IE in group cipher suite (IE len: %d)\n", prInfoElem->ucLength)); return FALSE; } WLAN_GET_FIELD_32(cp, &u4GroupSuite); cp += 4; u4RemainRsnIeLen -= 4; /* Parse the Pairwise Key Cipher Suite Count field. */ if (u4RemainRsnIeLen == 0) break; if (u4RemainRsnIeLen < 2) { DBGPRINT(RT_DEBUG_TRACE, ("Fail to parse RSN IE in pairwise cipher suite count (IE len: %d)\n", prInfoElem->ucLength)); return FALSE; } WLAN_GET_FIELD_16(cp, &u2PairSuiteCount); cp += 2; u4RemainRsnIeLen -= 2; /* Parse the Pairwise Key Cipher Suite List field. */ i = (UINT32) u2PairSuiteCount * 4; if (u4RemainRsnIeLen < (INT32) i) { DBGPRINT(RT_DEBUG_TRACE, ("Fail to parse RSN IE in pairwise cipher suite list (IE len: %d)\n", prInfoElem->ucLength)); return FALSE; } pucPairSuite = cp; cp += i; u4RemainRsnIeLen -= (INT32) i; /* Parse the Authentication and Key Management Cipher Suite Count field. */ if (u4RemainRsnIeLen == 0) break; if (u4RemainRsnIeLen < 2) { DBGPRINT(RT_DEBUG_TRACE, ("Fail to parse RSN IE in auth & key mgt suite count (IE len: %d)\n", prInfoElem->ucLength)); return FALSE; } WLAN_GET_FIELD_16(cp, &u2AuthSuiteCount); cp += 2; u4RemainRsnIeLen -= 2; /* Parse the Authentication and Key Management Cipher Suite List field. */ i = (UINT32) u2AuthSuiteCount * 4; if (u4RemainRsnIeLen < (INT32) i) { DBGPRINT(RT_DEBUG_TRACE, ("Fail to parse RSN IE in auth & key mgt suite list (IE len: %d)\n", prInfoElem->ucLength)); return FALSE; } pucAuthSuite = cp; cp += i; u4RemainRsnIeLen -= (INT32) i; /* Parse the RSN u2Capabilities field. */ if (u4RemainRsnIeLen == 0) break; if (u4RemainRsnIeLen < 2) { DBGPRINT(RT_DEBUG_TRACE, ("Fail to parse RSN IE in RSN capabilities (IE len: %d)\n", prInfoElem->ucLength)); return FALSE; } WLAN_GET_FIELD_16(cp, &u2Cap); cp += 2; u4RemainRsnIeLen -= 2; if (u4RemainRsnIeLen == 0) break; #ifdef WPA3_SUPPORT /* 9.4.2.25.5 PMKID * The PMKID Count and List fields are used only in * the RSNE in the (Re)Association Request frame to an AP * and in FT authentication sequence frames. */ /* Parse PMKID count field */ if (u4RemainRsnIeLen < 2) { DBGPRINT(RT_DEBUG_TRACE, ("Fail to parse RSN IE in PMKID (IE len: %d)\n", prInfoElem->ucLength)); return FALSE; } WLAN_GET_FIELD_16(cp, &u2DesiredPmkidCnt); cp += 2; u4RemainRsnIeLen -= 2; if (u2DesiredPmkidCnt > MAX_NUM_SUPPORTED_PMKID) { u2SupportedPmkidCnt = MAX_NUM_SUPPORTED_PMKID; DBGPRINT(RT_DEBUG_WARN, ("Support maximum PMKID Cnt = %d with desired PMKID Cnt = %d\n", MAX_NUM_SUPPORTED_PMKID, u2DesiredPmkidCnt)); } else u2SupportedPmkidCnt = u2DesiredPmkidCnt; /* Parse PMKID List field */ i = (uint32_t) u2DesiredPmkidCnt * RSN_PMKID_LEN; if (u4RemainRsnIeLen < (int32_t) i) { DBGPRINT(RT_DEBUG_TRACE, ("Fail to parse RSN IE in pairwise cipher suite list (IE len: %d)\n", prInfoElem->ucLength)); return FALSE; } if (u2SupportedPmkidCnt > 0) memcpy(prRsnInfo->aucPmkidList, cp, (u2SupportedPmkidCnt * RSN_PMKID_LEN)); cp += u2DesiredPmkidCnt * RSN_PMKID_LEN; u4RemainRsnIeLen -= (int32_t)(u2DesiredPmkidCnt * RSN_PMKID_LEN); if (u4RemainRsnIeLen == 0) break; #endif /* Parse Group Mgmt Cipher Suite field */ if (u4RemainRsnIeLen < 4) { DBGPRINT(RT_DEBUG_TRACE, ("Fail to parse RSN IE in GroupMgmtCipher (IELen: %d)\n", prInfoElem->ucLength)); /* Continued to connect when PMKID List field is truncated. */ break; } WLAN_GET_FIELD_32(cp, &u4GroupMgmtSuite); } while (FALSE); /* Save the RSN information for the BSS. */ prRsnInfo->ucElemId = IE_RSN; prRsnInfo->ucRsneLen = prInfoElem->ucLength; prRsnInfo->u2Version = u2Version; prRsnInfo->u4GroupKeyCipherSuite = u4GroupSuite; prRsnInfo->u4GroupMgmtKeyCipherSuite = u4GroupMgmtSuite; #ifdef WPA3_SUPPORT prRsnInfo->u2PmkidCnt = u2SupportedPmkidCnt; #endif DBGPRINT(RT_DEBUG_TRACE, ("RSN: version %d, group mgmt key cipher suite %02x-%02x-%02x-%02x\n", u2Version, (UCHAR) (u4GroupMgmtSuite & 0x000000FF), (UCHAR) ((u4GroupMgmtSuite >> 8) & 0x000000FF), (UCHAR) ((u4GroupMgmtSuite >> 16) & 0x000000FF), (UCHAR) ((u4GroupMgmtSuite >> 24) & 0x000000FF))); DBGPRINT(RT_DEBUG_TRACE, ("RSN: version %d, group key cipher suite %02x-%02x-%02x-%02x\n", u2Version, (UCHAR) (u4GroupSuite & 0x000000FF), (UCHAR) ((u4GroupSuite >> 8) & 0x000000FF), (UCHAR) ((u4GroupSuite >> 16) & 0x000000FF), (UCHAR) ((u4GroupSuite >> 24) & 0x000000FF))); if (pucPairSuite) { /* The information about the pairwise key cipher suites is present. */ if (u2PairSuiteCount > MAX_NUM_SUPPORTED_CIPHER_SUITES) u2PairSuiteCount = MAX_NUM_SUPPORTED_CIPHER_SUITES; prRsnInfo->u4PairwiseKeyCipherSuiteCount = (UINT32) u2PairSuiteCount; for (i = 0; i < (UINT32) u2PairSuiteCount; i++) { WLAN_GET_FIELD_32(pucPairSuite, &prRsnInfo->au4PairwiseKeyCipherSuite[i]); pucPairSuite += 4; DBGPRINT(RT_DEBUG_TRACE, ("RSN: pairwise key cipher suite [%d]: %02x-%02x-%02x-%02x\n", (UINT8) i, (UCHAR) (prRsnInfo->au4PairwiseKeyCipherSuite[i] & 0x000000FF), (UCHAR) ((prRsnInfo->au4PairwiseKeyCipherSuite[i] >> 8) & 0x000000FF), (UCHAR) ((prRsnInfo->au4PairwiseKeyCipherSuite[i] >> 16) & 0x000000FF), (UCHAR) ((prRsnInfo->au4PairwiseKeyCipherSuite[i] >> 24) & 0x000000FF))); } } else { /* The information about the pairwise key cipher suites is not present. */ /* Use the default chipher suite for RSN: CCMP. */ prRsnInfo->u4PairwiseKeyCipherSuiteCount = 1; prRsnInfo->au4PairwiseKeyCipherSuite[0] = RSN_CIPHER_SUITE_CCMP; DBGPRINT(RT_DEBUG_TRACE, ("RSN: pairwise key cipher suite: %02x-%02x-%02x-%02x (default)\n", (UCHAR) (prRsnInfo->au4PairwiseKeyCipherSuite[0] & 0x000000FF), (UCHAR) ((prRsnInfo->au4PairwiseKeyCipherSuite[0] >> 8) & 0x000000FF), (UCHAR) ((prRsnInfo->au4PairwiseKeyCipherSuite[0] >> 16) & 0x000000FF), (UCHAR) ((prRsnInfo->au4PairwiseKeyCipherSuite[0] >> 24) & 0x000000FF))); } if (pucAuthSuite) { /* The information about the authentication and key management suites */ /* is present. */ if (u2AuthSuiteCount > MAX_NUM_SUPPORTED_AKM_SUITES) u2AuthSuiteCount = MAX_NUM_SUPPORTED_AKM_SUITES; prRsnInfo->u4AuthKeyMgtSuiteCount = (UINT32) u2AuthSuiteCount; for (i = 0; i < (UINT32) u2AuthSuiteCount; i++) { WLAN_GET_FIELD_32(pucAuthSuite, &prRsnInfo->au4AuthKeyMgtSuite[i]); pucAuthSuite += 4; DBGPRINT(RT_DEBUG_TRACE, ("RSN: AKM suite [%d]: %02x-%02x-%02x-%02x\n", (UINT8) i, (UCHAR) (prRsnInfo->au4AuthKeyMgtSuite[i] & 0x000000FF), (UCHAR) ((prRsnInfo->au4AuthKeyMgtSuite[i] >> 8) & 0x000000FF), (UCHAR) ((prRsnInfo->au4AuthKeyMgtSuite[i] >> 16) & 0x000000FF), (UCHAR) ((prRsnInfo->au4AuthKeyMgtSuite[i] >> 24) & 0x000000FF))); } } else { /* The information about the authentication and key management suites */ /* is not present. Use the default AKM suite for RSN. */ prRsnInfo->u4AuthKeyMgtSuiteCount = 1; prRsnInfo->au4AuthKeyMgtSuite[0] = RSN_AKM_SUITE_802_1X; DBGPRINT(RT_DEBUG_TRACE, ("RSN: AKM suite: %02x-%02x-%02x-%02x (default)\n", (UCHAR) (prRsnInfo->au4AuthKeyMgtSuite[0] & 0x000000FF), (UCHAR) ((prRsnInfo->au4AuthKeyMgtSuite[0] >> 8) & 0x000000FF), (UCHAR) ((prRsnInfo->au4AuthKeyMgtSuite[0] >> 16) & 0x000000FF), (UCHAR) ((prRsnInfo->au4AuthKeyMgtSuite[0] >> 24) & 0x000000FF))); } prRsnInfo->u2RsnCap = u2Cap; prRsnInfo->fgRsnCapPresent = TRUE; DBGPRINT(RT_DEBUG_TRACE, ("RSN cap: 0x%04x\n", prRsnInfo->u2RsnCap)); return TRUE; } /*----------------------------------------------------------------------------*/ /*! * * \brief This routine is called to search the desired * authentication and key management (AKM) suite from the * MIB Authentication and Key Management Suites table. * * \param[in] u4AkmSuite The desired AKM suite to be searched * \param[out] pu4Index Pointer to the index of the desired AKM suite in the * table * * \retval TRUE The desired AKM suite is found in the table. * \retval FALSE The desired AKM suite is not found in the table. * * \note */ /*----------------------------------------------------------------------------*/ BOOLEAN RTMPSearchAKMSuite(IN PRTMP_ADAPTER pAd, IN UINT32 u4AkmSuite, OUT PUINT8 pu4Index) { UINT8 i; P_RSNA_CONFIG_AUTHENTICATION_SUITES_ENTRY prEntry; for (i = 0; i < MAX_NUM_SUPPORTED_AKM_SUITES; i++) { prEntry = &pAd->RSNAKMSuitesTable[i]; if (prEntry->dot11RSNAKMSuite == u4AkmSuite && prEntry->dot11RSNAKMSuiteEnabled) { *pu4Index = i; return TRUE; } } return FALSE; } /* RTMPSearchAKMSuite */ /* ========================================================================== Description: Check whether the received frame is EAP frame. Arguments: pAd - pointer to our pAdapter context pEntry - pointer to active entry pData - the received frame DataByteCount - the received frame's length FromWhichBSSID - indicate the interface index Return: TRUE - This frame is EAP frame FALSE - otherwise ========================================================================== */ BOOLEAN RTMPPerformPolicySelection(IN PRTMP_ADAPTER pAd, IN ULONG BssIdx, IN UCHAR apidx) { BSS_ENTRY *prBssEntry; CIPHER_SUITE *prBssRsnInfo; UINT8 i, j = 0; NDIS_802_11_AUTHENTICATION_MODE AuthMode = Ndis802_11AuthModeMax; PNDIS_802_11_WEP_STATUS pWepStatus = NULL; NDIS_802_11_ENCRYPTION_STATUS GroupCipher = Ndis802_11EncryptionDisabled; /* Multicast cipher suite */ NDIS_802_11_ENCRYPTION_STATUS PairCipher = Ndis802_11EncryptionDisabled; /* Unicast cipher suite */ PUCHAR pMixCipher = NULL; /* Indicate current Pair & Group use different cipher suites */ PUINT32 pAKMSuite = NULL; #ifdef CFG_SUPPORT_802_11W UINT32 u4Mfp = IW_AUTH_MFP_DISABLED; PUCHAR pfgMgmtProtection = NULL; #endif DBGPRINT(RT_DEBUG_TRACE, ("RTMPPerformPolicySelection==>\n")); prBssEntry = &pAd->ScanTab.BssEntry[BssIdx]; do { #ifdef P2P_SUPPORT #endif /* P2P_SUPPORT */ #ifdef APCLI_SUPPORT if (apidx >= MIN_NET_DEVICE_FOR_APCLI) { UINT apcliIfidx = 0; apcliIfidx = apidx - MIN_NET_DEVICE_FOR_APCLI; DBGPRINT(RT_DEBUG_TRACE, ("==> RTMPPerformPolicySelection(ApCli)\n")); AuthMode = pAd->ApCfg.ApCliTab[apcliIfidx].wdev.AuthMode; PairCipher = pAd->ApCfg.ApCliTab[apcliIfidx].PairCipher; GroupCipher = pAd->ApCfg.ApCliTab[apcliIfidx].GroupCipher; pWepStatus = &pAd->ApCfg.ApCliTab[apcliIfidx].wdev.WepStatus; pMixCipher = &pAd->ApCfg.ApCliTab[apcliIfidx].bMixCipher; u4Mfp = pAd->ApCfg.ApCliTab[apcliIfidx].u4Mfp; pfgMgmtProtection = &pAd->ApCfg.ApCliTab[apcliIfidx].MlmeAux.fgMgmtProtection; pAKMSuite = &pAd->ApCfg.ApCliTab[apcliIfidx].AKMSuite; break; } #endif /* APCLI_SUPPORT */ #ifdef CONFIG_AP_SUPPORT #endif /* CONFIG_AP_SUPPORT */ #ifdef CONFIG_STA_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { DBGPRINT(RT_DEBUG_TRACE, ("==> RTMPPerformPolicySelection(STA)\n")); AuthMode = pAd->StaCfg.wdev.AuthMode; PairCipher = pAd->StaCfg.PairCipher; GroupCipher = pAd->StaCfg.GroupCipher; pWepStatus = &pAd->StaCfg.wdev.WepStatus; pMixCipher = &pAd->StaCfg.bMixCipher; u4Mfp = pAd->StaCfg.u4Mfp; pfgMgmtProtection = &pAd->MlmeAux.fgMgmtProtection; pAKMSuite = &pAd->StaCfg.AKMSuite; break; } #endif /* CONFIG_STA_SUPPORT */ } while (FALSE); /* Protection is not required in this BSS. */ if ((prBssEntry->CapabilityInfo & BIT(4)) == 0) { if ((pWepStatus != NULL) && ((*pWepStatus) == Ndis802_11EncryptionDisabled)) { DBGPRINT(RT_DEBUG_TRACE, ("-- No Protected BSS\n")); return TRUE; } DBGPRINT(RT_DEBUG_TRACE, ("-- Protected BSS but No need\n")); return FALSE; } /* Protection is required in this BSS. */ if ((prBssEntry->CapabilityInfo & BIT(4)) != 0) { if ((*pWepStatus) == Ndis802_11EncryptionDisabled) { DBGPRINT(RT_DEBUG_TRACE, ("-- Protected BSS\n")); return FALSE; } } /* Check Whether BSS RSN is matched from upper layer set. */ if (AuthMode == Ndis802_11AuthModeWPA || AuthMode == Ndis802_11AuthModeWPAPSK || AuthMode == Ndis802_11AuthModeWPANone) { prBssRsnInfo = &prBssEntry->WPA; } else if (AuthMode == Ndis802_11AuthModeWPA2 || AuthMode == Ndis802_11AuthModeWPA2PSK #ifdef CFG_SUPPORT_SAE || AuthMode == Ndis802_11AuthModeWPA3SAE #endif ) { prBssRsnInfo = &prBssEntry->WPA2; } else if ((*pWepStatus) != Ndis802_11Encryption1Enabled) { /* If the driver is configured to use WEP only, ignore this BSS. */ DBGPRINT(RT_DEBUG_TRACE, ("-- Not WEP-only legacy BSS\n")); return FALSE; } else if ((*pWepStatus) == Ndis802_11Encryption1Enabled) { /* If the driver is configured to use WEP only, use this BSS. */ DBGPRINT(RT_DEBUG_TRACE, ("-- WEP-only legacy BSS\n")); return TRUE; } /* PairCipher & GroupCipher*/ DBGPRINT(RT_DEBUG_TRACE, ("Peer u4PairwiseCipherCount %d\n", prBssRsnInfo->u4PairwiseCipherCount)); if (prBssRsnInfo->u4PairwiseCipherCount > 0) { j = 0; for (i = 0; i < prBssRsnInfo->u4PairwiseCipherCount; i++) { DBGPRINT(RT_DEBUG_TRACE, ("Peer u4PairwiseCipher[%d] %d\n", i, prBssRsnInfo->PairCipher[i])); if (PairCipher == prBssRsnInfo->PairCipher[i]) break; } if (i == (prBssRsnInfo->u4PairwiseCipherCount)) { DBGPRINT(RT_DEBUG_WARN, ("No PairCipher matched\n")); return FALSE; } else DBGPRINT(RT_DEBUG_TRACE, ("Selected PairCipher %d\n", PairCipher)); } if (GroupCipher != prBssRsnInfo->GroupCipher) { DBGPRINT(RT_DEBUG_TRACE, ("GroupCipher mismatch :Own %d Peer %d\n", GroupCipher, prBssRsnInfo->GroupCipher)); return FALSE; } *pWepStatus = PairCipher; DBGPRINT(RT_DEBUG_TRACE, ("Selected GroupCipher %d\n", GroupCipher)); DBGPRINT(RT_DEBUG_TRACE, ("Selected WepStatus %d\n", (*pWepStatus))); *pMixCipher = (GroupCipher == PairCipher) ? FALSE:TRUE; /* AKM Suite */ if (prBssRsnInfo->u4AuthKeyMgtSuiteCount > 0) { j = 0; for (i = 0; i < prBssRsnInfo->u4AuthKeyMgtSuiteCount; i++) { if (RTMPSearchAKMSuite(pAd, prBssRsnInfo->au4AuthKeyMgtSuite[i], &j)) { *pAKMSuite = prBssRsnInfo->au4AuthKeyMgtSuite[i]; break; } } if (i == prBssRsnInfo->u4AuthKeyMgtSuiteCount) { DBGPRINT(RT_DEBUG_WARN, ("No AKM Suite matched\n")); return FALSE; } else DBGPRINT(RT_DEBUG_TRACE, ("Selected AKM Suite %x\n", (*pAKMSuite))); } #ifdef CFG_SUPPORT_802_11W DBGPRINT(RT_DEBUG_TRACE, ("[MFP] MFP setting = %d\n ", u4Mfp)); if (u4Mfp == IW_AUTH_MFP_REQUIRED) { if (!(prBssRsnInfo->RsnCapability & ELEM_WPA_CAP_MFPC)) { DBGPRINT(RT_DEBUG_TRACE, ("[MFP] Skip RSN IE, No MFP Required\n")); return FALSE; } *pfgMgmtProtection = TRUE; } else if (u4Mfp == IW_AUTH_MFP_OPTIONAL) { if (prBssRsnInfo->RsnCapability & (ELEM_WPA_CAP_MFPR | ELEM_WPA_CAP_MFPC)) *pfgMgmtProtection = TRUE; } else { if ((prBssRsnInfo->RsnCapability & ELEM_WPA_CAP_MFPR)) { DBGPRINT(RT_DEBUG_TRACE, ("[MFP] Try to join even MFP Required bit set\n")); return FALSE; } *pfgMgmtProtection = FALSE; } DBGPRINT(RT_DEBUG_TRACE, ("[MFP] fgMgmtProtection = %d\n ", (*pfgMgmtProtection))); #endif return TRUE; } #endif /* ========================================================================== Description: Check whether the received frame is EAP frame. Arguments: pAd - pointer to our pAdapter context pEntry - pointer to active entry pData - the received frame DataByteCount - the received frame's length wdev_idx - indicate the interface index Return: TRUE - This frame is EAP frame FALSE - otherwise ========================================================================== */ BOOLEAN RTMPCheckWPAframe( IN RTMP_ADAPTER *pAd, IN MAC_TABLE_ENTRY *pEntry, IN RX_BLK *pRxBlk, IN ULONG DataByteCount, IN UCHAR wdev_idx, IN BOOLEAN eth_frame) { ULONG Body_len, min_len = (LENGTH_802_1_H + LENGTH_EAPOL_H); BOOLEAN Cancelled; UCHAR *pData; #ifdef MESH_SUPPORT struct wifi_dev *wdev; #endif/* MESH_SUPPORT */ #ifdef RELEASE_EXCLUDE DBGPRINT(RT_DEBUG_INFO, ("==>%s()\n", __FUNCTION__)); #endif /* RELEASE_EXCLUDE */ pData = pRxBlk->pData; #ifdef HDR_TRANS_SUPPORT if (pRxBlk->bHdrRxTrans) { pData = pRxBlk->pTransData; } #endif /* HDR_TRANS_SUPPORT */ ASSERT(wdev_idx <= WDEV_NUM_MAX); if (wdev_idx >= WDEV_NUM_MAX) return FALSE; #ifdef MESH_SUPPORT wdev = pAd->wdev_list[wdev_idx]; #endif /* MESH_SUPPORT */ do { if (eth_frame) { min_len = (LENGTH_802_3 + LENGTH_EAPOL_H); break; } #ifdef MESH_SUPPORT if (wdev->wdev_type == WDEV_TYPE_MESH) { UINT mesh_header_len = GetMeshHederLen(pData); pData += mesh_header_len; DataByteCount -= mesh_header_len; break; } #endif /* MESH_SUPPORT */ } while (FALSE); if(DataByteCount < min_len) return FALSE; if (RX_BLK_TEST_FLAG(pRxBlk, fRX_AMSDU)) { DBGPRINT(RT_DEBUG_ERROR, ("%s:Fake-EAPOL as AMSDU flag is on\n", __func__)); return FALSE; } /* Skip LLC or ETH header */ if (eth_frame == TRUE) { pData += LENGTH_802_3; } else { /* Cisco 1200 AP may send packet with SNAP_BRIDGE_TUNNEL*/ if (NdisEqualMemory(SNAP_802_1H, pData, 6) || NdisEqualMemory(SNAP_BRIDGE_TUNNEL, pData, 6)) { pData += 6; } } /* Skip 2-bytes EAPoL type */ if (NdisEqualMemory(EAPOL, pData, 2)) pData += 2; else return FALSE; switch (*(pData+1)) { case EAPPacket: Body_len = (*(pData+2)<<8) | (*(pData+3)); #ifdef CONFIG_AP_SUPPORT IF_DEV_CONFIG_OPMODE_ON_AP(pAd) { #ifdef IDS_SUPPORT if((*(pData+4)) == EAP_CODE_REQUEST) pAd->ApCfg.RcvdEapReqCount ++; #endif /* IDS_SUPPORT */ } #endif /* CONFIG_AP_SUPPORT */ DBGPRINT(RT_DEBUG_TRACE, ("Receive EAP-Packet frame, TYPE = 0, Length = %ld\n", Body_len)); break; case EAPOLStart: DBGPRINT(RT_DEBUG_TRACE, ("Receive EAPOL-Start frame, TYPE = 1 \n")); if (pEntry->EnqueueEapolStartTimerRunning != EAPOL_START_DISABLE) { DBGPRINT(RT_DEBUG_TRACE, ("Cancel the EnqueueEapolStartTimerRunning \n")); RTMPCancelTimer(&pEntry->EnqueueStartForPSKTimer, &Cancelled); pEntry->EnqueueEapolStartTimerRunning = EAPOL_START_DISABLE; } break; case EAPOLLogoff: DBGPRINT(RT_DEBUG_TRACE, ("Receive EAPOLLogoff frame, TYPE = 2 \n")); break; case EAPOLKey: Body_len = (*(pData+2)<<8) | (*(pData+3)); DBGPRINT(RT_DEBUG_TRACE, ("Receive EAPOL-Key frame, TYPE = 3, Length = %ld\n", Body_len)); break; case EAPOLASFAlert: DBGPRINT(RT_DEBUG_TRACE, ("Receive EAPOLASFAlert frame, TYPE = 4 \n")); break; default: return FALSE; } return TRUE; } /* ========================================================================== Description: Report the EAP message type Arguments: msg - EAPOL_PAIR_MSG_1 EAPOL_PAIR_MSG_2 EAPOL_PAIR_MSG_3 EAPOL_PAIR_MSG_4 EAPOL_GROUP_MSG_1 EAPOL_GROUP_MSG_2 Return: message type string ========================================================================== */ RTMP_STRING *GetEapolMsgType(CHAR msg) { if(msg == EAPOL_PAIR_MSG_1) return "Pairwise Message 1"; else if(msg == EAPOL_PAIR_MSG_2) return "Pairwise Message 2"; else if(msg == EAPOL_PAIR_MSG_3) return "Pairwise Message 3"; else if(msg == EAPOL_PAIR_MSG_4) return "Pairwise Message 4"; else if(msg == EAPOL_GROUP_MSG_1) return "Group Message 1"; else if(msg == EAPOL_GROUP_MSG_2) return "Group Message 2"; else return "Invalid Message"; } /* ======================================================================== Routine Description: Check Sanity RSN IE of EAPoL message Arguments: Return Value: ======================================================================== */ BOOLEAN RTMPCheckRSNIE( IN PRTMP_ADAPTER pAd, IN PUCHAR pData, IN UCHAR DataLen, IN MAC_TABLE_ENTRY *pEntry, OUT UCHAR *Offset) { PUCHAR pVIE; UCHAR len; PEID_STRUCT pEid; BOOLEAN result = FALSE; pVIE = pData; len = DataLen; *Offset = 0; while (len > sizeof(RSNIE2)) { pEid = (PEID_STRUCT) pVIE; /* WPA RSN IE*/ if ((pEid->Eid == IE_WPA) && (NdisEqualMemory(pEid->Octet, WPA_OUI, 4))) { if ((pEntry->AuthMode == Ndis802_11AuthModeWPA || pEntry->AuthMode == Ndis802_11AuthModeWPAPSK) && (NdisEqualMemory(pVIE, pEntry->RSN_IE, pEntry->RSNIE_Len)) && (pEntry->RSNIE_Len == (pEid->Len + 2))) { #ifdef RELEASE_EXCLUDE DBGPRINT(RT_DEBUG_INFO, ("%s ==> WPA/WPAPSK RSN IE matched, Length(%d) \n", __FUNCTION__, (pEid->Len + 2))); #endif /* RELEASE_EXCLUDE */ result = TRUE; } *Offset += (pEid->Len + 2); } /* WPA2 RSN IE, doesn't need to check RSNIE Capabilities field */ else if ((pEid->Eid == IE_RSN) && (NdisEqualMemory(pEid->Octet + 2, RSN_OUI, 3))) { if ((pEntry->AuthMode == Ndis802_11AuthModeWPA2 || pEntry->AuthMode == Ndis802_11AuthModeWPA2PSK #ifdef WPA3_SUPPORT || pEntry->AuthMode == Ndis802_11AuthModeWPA3SAE #endif ) && (pEid->Eid == pEntry->RSN_IE[0]) && ((pEid->Len + 2) >= pEntry->RSNIE_Len) && (NdisEqualMemory(pEid->Octet, &pEntry->RSN_IE[2], pEntry->RSNIE_Len - 4))) { #ifdef RELEASE_EXCLUDE DBGPRINT(RT_DEBUG_INFO, ("%s ==> WPA2/WPA2PSK RSN IE matched, Length(%d) \n", __FUNCTION__, (pEid->Len + 2))); #endif /* RELEASE_EXCLUDE */ result = TRUE; } *Offset += (pEid->Len + 2); } else { break; } pVIE += (pEid->Len + 2); len -= (pEid->Len + 2); } #ifdef RELEASE_EXCLUDE DBGPRINT(RT_DEBUG_INFO, ("RTMPCheckRSNIE ==> skip_offset(%d) \n", *Offset)); #endif /* RELEASE_EXCLUDE */ return result; } /* ======================================================================== Routine Description: Parse KEYDATA field. KEYDATA[] May contain 2 RSN IE and optionally GTK. GTK is encaptulated in KDE format at p.83 802.11i D10 Arguments: Return Value: Note: 802.11i D10 ======================================================================== */ BOOLEAN RTMPParseEapolKeyData( IN PRTMP_ADAPTER pAd, IN PUCHAR pKeyData, IN UCHAR KeyDataLen, IN UCHAR GroupKeyIndex, IN UCHAR MsgType, IN BOOLEAN bWPA2, IN MAC_TABLE_ENTRY *pEntry) { PUCHAR pMyKeyData = pKeyData; UCHAR KeyDataLength = KeyDataLen; UCHAR GTK[MAX_LEN_GTK]; UCHAR GTKLEN = 0; UCHAR DefaultIdx = 0; UCHAR skip_offset = 0; NdisZeroMemory(GTK, MAX_LEN_GTK); /* Verify The RSN IE contained in pairewise_msg_2 && pairewise_msg_3 and skip it*/ if (MsgType == EAPOL_PAIR_MSG_2 || MsgType == EAPOL_PAIR_MSG_3) { #ifdef RELEASE_EXCLUDE /* In TGn WiFi Test plan #5.2.14, Test-Bed AP(Atheros) send incorrect RSN_IE in MSG3 cause STA can't connect. */ #endif /* RELEASE_EXCLUDE */ #if 0 /* Check RSN IE whether it is WPA2/WPA2PSK */ if (!RTMPCheckRSNIE(pAd, pKeyData, KeyDataLen, pEntry, &skip_offset)) { /* send wireless event - for RSN IE different*/ RTMPSendWirelessEvent(pAd, IW_RSNIE_DIFF_EVENT_FLAG, pEntry->Addr, pEntry->wdev->wdev_idx, 0); DBGPRINT(RT_DEBUG_ERROR, ("RSN_IE Different in msg %d of 4-way handshake!\n", MsgType)); hex_dump("Receive RSN_IE ", pKeyData, KeyDataLen); hex_dump("Desired RSN_IE ", pEntry->RSN_IE, pEntry->RSNIE_Len); return FALSE; } else #endif /* 0 */ { if (bWPA2 && MsgType == EAPOL_PAIR_MSG_3) { /*WpaShowAllsuite(pMyKeyData, skip_offset);*/ /* skip RSN IE*/ pMyKeyData += skip_offset; KeyDataLength -= skip_offset; DBGPRINT(RT_DEBUG_TRACE, ("RTMPParseEapolKeyData ==> WPA2/WPA2PSK RSN IE matched in Msg 3, Length(%d) \n", skip_offset)); } else return TRUE; } } DBGPRINT(RT_DEBUG_TRACE,("RTMPParseEapolKeyData ==> KeyDataLength %d without RSN_IE \n", KeyDataLength)); /*hex_dump("remain data", pMyKeyData, KeyDataLength);*/ #ifdef DOT11R_FT_SUPPORT if (IS_FT_RSN_STA(pEntry)) { PEID_STRUCT pEid; pEid = (PEID_STRUCT)pMyKeyData; if (pEid->Eid == IE_FT_MDIE) { /* Skip MDIE of FT*/ /* todo - verify it*/ pMyKeyData += (pEid->Len + 2); KeyDataLength -= (pEid->Len + 2); } } #endif /* DOT11R_FT_SUPPORT */ /* Parse KDE format in pairwise_msg_3_WPA2 && group_msg_1_WPA2*/ if (bWPA2 && (MsgType == EAPOL_PAIR_MSG_3 || MsgType == EAPOL_GROUP_MSG_1)) { PEID_STRUCT pEid; pEid = (PEID_STRUCT) pMyKeyData; skip_offset = 0; while ((skip_offset + 2 + pEid->Len) <= KeyDataLength) { switch(pEid->Eid) { case WPA_KDE_TYPE: { PKDE_HDR pKDE; pKDE = (PKDE_HDR)pEid; if (NdisEqualMemory(pKDE->OUI, OUI_WPA2, 3)) { if (pKDE->DataType == KDE_GTK) { PGTK_KDE pKdeGtk; pKdeGtk = (PGTK_KDE) &pKDE->octet[0]; DefaultIdx = pKdeGtk->Kid; /* Get GTK length - refer to IEEE 802.11i-2004 p.82 */ GTKLEN = pKDE->Len -6; if (GTKLEN < LEN_WEP64) { DBGPRINT(RT_DEBUG_ERROR, ("ERROR: GTK Key length is too short (%d) \n", GTKLEN)); return FALSE; } NdisMoveMemory(GTK, pKdeGtk->GTK, GTKLEN); DBGPRINT(RT_DEBUG_TRACE, ("GTK in KDE format ,DefaultKeyID=%d, KeyLen=%d \n", DefaultIdx, GTKLEN)); } #ifdef DOT11W_PMF_SUPPORT else if (pKDE->DataType == KDE_IGTK && (CLIENT_STATUS_TEST_FLAG(pEntry, fCLIENT_STATUS_PMF_CAPABLE))) { if (PMF_ExtractIGTKKDE(pAd, &pKDE->octet[0], pKDE->Len - 4) == FALSE) return FALSE; } #endif /* DOT11W_PMF_SUPPORT */ } } break; } skip_offset = skip_offset + 2 + pEid->Len; pEid = (PEID_STRUCT)((UCHAR*)pEid + 2 + pEid->Len); } /* skip KDE Info*/ pMyKeyData += skip_offset; KeyDataLength -= skip_offset; } else if (!bWPA2 && MsgType == EAPOL_GROUP_MSG_1) { DefaultIdx = GroupKeyIndex; GTKLEN = KeyDataLength; NdisMoveMemory(GTK, pMyKeyData, KeyDataLength); DBGPRINT(RT_DEBUG_TRACE, ("GTK without KDE, DefaultKeyID=%d, KeyLen=%d \n", DefaultIdx, GTKLEN)); } /* Sanity check - shared key index must be 0 ~ 3*/ if (DefaultIdx > 3) { DBGPRINT(RT_DEBUG_ERROR, ("ERROR: GTK Key index(%d) is invalid in %s %s \n", DefaultIdx, ((bWPA2) ? "WPA2" : "WPA"), GetEapolMsgType(MsgType))); return FALSE; } #ifdef CONFIG_AP_SUPPORT #ifdef APCLI_SUPPORT if ((pAd->chipCap.hif_type == HIF_RLT || pAd->chipCap.hif_type == HIF_RTMP) && IS_ENTRY_APCLI(pEntry)) { /* Set Group key material, TxMic and RxMic for AP-Client*/ if (!APCliInstallSharedKey(pAd, GTK, GTKLEN, DefaultIdx, pEntry)) { return FALSE; } } #ifdef MT_MAC else if ((pAd->chipCap.hif_type == HIF_MT) && IS_ENTRY_APCLI(pEntry)) { UCHAR IfIdx; APCLI_STRUCT *pApcli_entry; IfIdx = pEntry->func_tb_idx; ASSERT((IfIdx < MAX_APCLI_NUM)); pApcli_entry = &pAd->ApCfg.ApCliTab[IfIdx]; WPAInstallSharedKey(pAd, (UINT8)pApcli_entry->GroupCipher, BSS0, DefaultIdx, APCLI_MCAST_WCID, FALSE, GTK, GTKLEN); } #endif /* MT_MAC */ #endif /* APCLI_SUPPORT */ #endif /* CONFIG_AP_SUPPORT */ #ifdef CONFIG_STA_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { #ifdef ADHOC_WPA2PSK_SUPPORT if (ADHOC_ON(pAd)) { if (pAd->StaCfg.GroupCipher == Ndis802_11AESEnable) { NdisZeroMemory(&pEntry->RxGTK, sizeof(CIPHER_KEY)); NdisMoveMemory(pEntry->RxGTK.Key, GTK, LEN_TK); pEntry->RxGTK.CipherAlg = CIPHER_AES; pEntry->RxGTK.KeyLen= LEN_TK; } } else #endif /* ADHOC_WPA2PSK_SUPPORT */ { #ifdef P2P_SUPPORT if (IS_ENTRY_CLIENT(pEntry)) #endif /* P2P_SUPPORT */ { /* set key material, TxMic and RxMic */ NdisMoveMemory(pAd->StaCfg.GTK, GTK, GTKLEN); pAd->StaCfg.wdev.DefaultKeyId = DefaultIdx; WPAInstallSharedKey(pAd, (UINT8)pAd->StaCfg.GroupCipher, BSS0, pAd->StaCfg.wdev.DefaultKeyId, MCAST_WCID, FALSE, pAd->StaCfg.GTK, GTKLEN); } } } #endif /* CONFIG_STA_SUPPORT */ return TRUE; } /* ======================================================================== Routine Description: Construct KDE common format Its format is below, +--------------------+ | Type (0xdd) | 1 octet +--------------------+ | Length | 1 octet +--------------------+ | OUI | 3 octets +--------------------+ | Data Type | 1 octet +--------------------+ Arguments: Return Value: Note: It's defined in IEEE 802.11-2007 Figure 8-25. ======================================================================== */ VOID WPA_ConstructKdeHdr( IN UINT8 data_type, IN UINT8 data_len, OUT PUCHAR pBuf) { PKDE_HDR pHdr; pHdr = (PKDE_HDR)pBuf; NdisZeroMemory(pHdr, sizeof(KDE_HDR)); pHdr->Type = WPA_KDE_TYPE; /* The Length field specifies the number of octets in the OUI, Data Type, and Data fields. */ pHdr->Len = 4 + data_len; NdisMoveMemory(pHdr->OUI, OUI_WPA2, 3); pHdr->DataType = data_type; } /* ======================================================================== Routine Description: Construct EAPoL message for WPA handshaking Its format is below, +--------------------+ | Protocol Version | 1 octet +--------------------+ | Protocol Type | 1 octet +--------------------+ | Body Length | 2 octets +--------------------+ | Descriptor Type | 1 octet +--------------------+ | Key Information | 2 octets +--------------------+ | Key Length | 1 octet +--------------------+ | Key Repaly Counter | 8 octets +--------------------+ | Key Nonce | 32 octets +--------------------+ | Key IV | 16 octets +--------------------+ | Key RSC | 8 octets +--------------------+ | Key ID or Reserved | 8 octets +--------------------+ | Key MIC | 16 octets +--------------------+ | Key Data Length | 2 octets +--------------------+ | Key Data | n octets +--------------------+ Arguments: pAd Pointer to our adapter Return Value: None Note: ======================================================================== */ VOID ConstructEapolMsg( IN PMAC_TABLE_ENTRY pEntry, IN UCHAR GroupKeyWepStatus, IN UCHAR MsgType, IN UCHAR DefaultKeyIdx, IN UCHAR *KeyNonce, IN UCHAR *TxRSC, IN UCHAR *GTK, IN UCHAR *RSNIE, IN UCHAR RSNIE_Len, OUT PEAPOL_PACKET pMsg) { BOOLEAN bWPA2 = FALSE; UCHAR KeyDescVer; /* Choose WPA2 or not*/ if ((pEntry->AuthMode == Ndis802_11AuthModeWPA2) || (pEntry->AuthMode == Ndis802_11AuthModeWPA2PSK) #ifdef WPA3_SUPPORT || (pEntry->AuthMode == Ndis802_11AuthModeWPA3SAE) #endif ) bWPA2 = TRUE; /* Init Packet and Fill header */ pMsg->ProVer = EAPOL_VER; pMsg->ProType = EAPOLKey; /* Default 95 bytes, the EAPoL-Key descriptor exclude Key-data field*/ SET_UINT16_TO_ARRARY(pMsg->Body_Len, MIN_LEN_OF_EAPOL_KEY_MSG); /* Fill in EAPoL descriptor*/ if (bWPA2) pMsg->KeyDesc.Type = WPA2_KEY_DESC; else pMsg->KeyDesc.Type = WPA1_KEY_DESC; /* Key Descriptor Version (bits 0-2) specifies the key descriptor version type*/ #ifdef DOT11R_FT_SUPPORT if (IS_FT_RSN_STA(pEntry)) { /* Todo-AlbertY : use AKM to detemine which Descriptor version is used */ /* All EAPOL-Key frames to and from a STA when the negotiated */ /* AKM is 00-0F-AC:3 or 00-0F-AC:4.*/ KeyDescVer = KEY_DESC_EXT; } else #endif /* DOT11R_FT_SUPPORT */ #ifdef DOT11W_PMF_SUPPORT if (CLIENT_STATUS_TEST_FLAG(pEntry, fCLIENT_STATUS_USE_SHA256)) { /* All EAPOL-Key frames to and from a STA when the negotiated */ /* AKM is 00-0F-AC:3 or 00-0F-AC:4.*/ KeyDescVer = KEY_DESC_EXT; } else #endif /* DOT11W_PMF_SUPPORT */ #ifdef CONFIG_HOTSPOT_R2 if (CLIENT_STATUS_TEST_FLAG(pEntry, fCLIENT_STATUS_OSEN_CAPABLE)) { DBGPRINT(RT_DEBUG_OFF, ("OSEN use sha256\n")); //KeyDescVer = KEY_DESC_EXT; KeyDescVer = KEY_DESC_OSEN; } else #endif /* CONFIG_HOTSPOT_R2 */ { /* Fill in Key information, refer to IEEE Std 802.11i-2004 page 78 */ /* When either the pairwise or the group cipher is AES, the KEY_DESC_AES shall be used.*/ KeyDescVer = (((pEntry->WepStatus == Ndis802_11AESEnable) || (GroupKeyWepStatus == Ndis802_11AESEnable)) ? (KEY_DESC_AES) : (KEY_DESC_TKIP)); } pMsg->KeyDesc.KeyInfo.KeyDescVer = KeyDescVer; /* Specify Key Type as Group(0) or Pairwise(1)*/ if (MsgType >= EAPOL_GROUP_MSG_1) pMsg->KeyDesc.KeyInfo.KeyType = GROUPKEY; else pMsg->KeyDesc.KeyInfo.KeyType = PAIRWISEKEY; /* Specify Key Index, only group_msg1_WPA1*/ if (!bWPA2 && (MsgType >= EAPOL_GROUP_MSG_1)) pMsg->KeyDesc.KeyInfo.KeyIndex = DefaultKeyIdx; if (MsgType == EAPOL_PAIR_MSG_3) pMsg->KeyDesc.KeyInfo.Install = 1; if ((MsgType == EAPOL_PAIR_MSG_1) || (MsgType == EAPOL_PAIR_MSG_3) || (MsgType == EAPOL_GROUP_MSG_1)) pMsg->KeyDesc.KeyInfo.KeyAck = 1; if (MsgType != EAPOL_PAIR_MSG_1) pMsg->KeyDesc.KeyInfo.KeyMic = 1; if ((bWPA2 && (MsgType >= EAPOL_PAIR_MSG_3)) || (!bWPA2 && (MsgType >= EAPOL_GROUP_MSG_1))) { pMsg->KeyDesc.KeyInfo.Secure = 1; } /* This subfield shall be set, and the Key Data field shall be encrypted, if any key material (e.g., GTK or SMK) is included in the frame. */ if (bWPA2 && ((MsgType == EAPOL_PAIR_MSG_3) || (MsgType == EAPOL_GROUP_MSG_1))) { pMsg->KeyDesc.KeyInfo.EKD_DL = 1; } /* key Information element has done. */ *(USHORT *)(&pMsg->KeyDesc.KeyInfo) = cpu2le16(*(USHORT *)(&pMsg->KeyDesc.KeyInfo)); /* Fill in Key Length*/ #if 1 if (bWPA2) { /* In WPA2 mode, the field indicates the length of pairwise key cipher, */ /* so only pairwise_msg_1 and pairwise_msg_3 need to fill. */ if ((MsgType == EAPOL_PAIR_MSG_1) || (MsgType == EAPOL_PAIR_MSG_3)) pMsg->KeyDesc.KeyLength[1] = ((pEntry->WepStatus == Ndis802_11TKIPEnable) ? LEN_TKIP_TK : LEN_AES_TK); } else if (!bWPA2) #endif { if (MsgType >= EAPOL_GROUP_MSG_1) { /* the length of group key cipher*/ pMsg->KeyDesc.KeyLength[1] = ((GroupKeyWepStatus == Ndis802_11TKIPEnable) ? LEN_TKIP_GTK : LEN_AES_GTK); } else { /* the length of pairwise key cipher*/ pMsg->KeyDesc.KeyLength[1] = ((pEntry->WepStatus == Ndis802_11TKIPEnable) ? LEN_TKIP_TK : LEN_AES_TK); } } /* Fill in replay counter */ NdisMoveMemory(pMsg->KeyDesc.ReplayCounter, pEntry->R_Counter, LEN_KEY_DESC_REPLAY); /* Fill Key Nonce field */ /* ANonce : pairwise_msg1 & pairwise_msg3*/ /* SNonce : pairwise_msg2*/ /* GNonce : group_msg1_wpa1 */ if ((MsgType <= EAPOL_PAIR_MSG_3) || ((!bWPA2 && (MsgType == EAPOL_GROUP_MSG_1)))) NdisMoveMemory(pMsg->KeyDesc.KeyNonce, KeyNonce, LEN_KEY_DESC_NONCE); /* Fill key IV - WPA2 as 0, WPA1 as random*/ if (!bWPA2 && (MsgType == EAPOL_GROUP_MSG_1)) { /* Suggest IV be random number plus some number,*/ NdisMoveMemory(pMsg->KeyDesc.KeyIv, &KeyNonce[16], LEN_KEY_DESC_IV); pMsg->KeyDesc.KeyIv[15] += 2; } /* Fill Key RSC field */ /* It contains the RSC for the GTK being installed.*/ if ((MsgType == EAPOL_PAIR_MSG_3 && bWPA2) || (MsgType == EAPOL_GROUP_MSG_1)) { NdisMoveMemory(pMsg->KeyDesc.KeyRsc, TxRSC, 6); } /* Clear Key MIC field for MIC calculation later */ NdisZeroMemory(pMsg->KeyDesc.KeyMic, LEN_KEY_DESC_MIC); ConstructEapolKeyData(pEntry, GroupKeyWepStatus, KeyDescVer, MsgType, DefaultKeyIdx, GTK, RSNIE, RSNIE_Len, pMsg); /* Calculate MIC and fill in KeyMic Field except Pairwise Msg 1.*/ if (MsgType != EAPOL_PAIR_MSG_1) { CalculateMIC(KeyDescVer, pEntry->PTK, pMsg); } DBGPRINT(RT_DEBUG_INFO, ("===> ConstructEapolMsg for %s %s\n", ((bWPA2) ? "WPA2" : "WPA"), GetEapolMsgType(MsgType))); DBGPRINT(RT_DEBUG_INFO, (" Body length = %d \n", CONV_ARRARY_TO_UINT16(pMsg->Body_Len))); DBGPRINT(RT_DEBUG_INFO, (" Key length = %d \n", CONV_ARRARY_TO_UINT16(pMsg->KeyDesc.KeyLength))); } /* ======================================================================== Routine Description: Construct the Key Data field of EAPoL message Arguments: pAd Pointer to our adapter Elem Message body Return Value: None Note: ======================================================================== */ VOID ConstructEapolKeyData( IN PMAC_TABLE_ENTRY pEntry, IN UCHAR GroupKeyWepStatus, IN UCHAR keyDescVer, IN UCHAR MsgType, IN UCHAR DefaultKeyIdx, IN UCHAR *GTK, IN UCHAR *RSNIE, IN UCHAR RSNIE_LEN, OUT PEAPOL_PACKET pMsg) { UCHAR *mpool = NULL, *Key_Data, *eGTK; ULONG data_offset; BOOLEAN bWPA2Capable = FALSE; BOOLEAN GTK_Included = FALSE; #ifdef DOT11R_FT_SUPPORT #if defined(CONFIG_APSTA_MIXED_SUPPORT) || defined(CONFIG_STA_SUPPORT) PRTMP_ADAPTER pAd = pEntry->pAd; #endif #endif /* DOT11R_FT_SUPPORT */ /* Choose WPA2 or not*/ if ((pEntry->AuthMode == Ndis802_11AuthModeWPA2) || (pEntry->AuthMode == Ndis802_11AuthModeWPA2PSK) #ifdef WPA3_SUPPORT || (pEntry->AuthMode == Ndis802_11AuthModeWPA3SAE) #endif ) bWPA2Capable = TRUE; if (MsgType == EAPOL_PAIR_MSG_1 || MsgType == EAPOL_PAIR_MSG_4 || MsgType == EAPOL_GROUP_MSG_2) return; /* allocate memory pool*/ os_alloc_mem(NULL, (PUCHAR *)&mpool, 1500); if (mpool == NULL) return; /* eGTK Len = 512 */ eGTK = (UCHAR *) ROUND_UP(mpool, 4); /* Key_Data Len = 512 */ Key_Data = (UCHAR *) ROUND_UP(eGTK + 512, 4); NdisZeroMemory(Key_Data, 512); SET_UINT16_TO_ARRARY(pMsg->KeyDesc.KeyDataLen, 0); data_offset = 0; /* Encapsulate RSNIE in pairwise_msg2 & pairwise_msg3 */ if (RSNIE_LEN && ((MsgType == EAPOL_PAIR_MSG_2) || (MsgType == EAPOL_PAIR_MSG_3))) { PUINT8 pmkid_ptr = NULL; UINT8 pmkid_len = 0; #ifdef DOT11R_FT_SUPPORT if (IS_FT_RSN_STA(pEntry)) { pmkid_ptr = pEntry->FT_PMK_R1_NAME; pmkid_len = LEN_PMK_NAME; } #endif /* DOT11R_FT_SUPPORT */ RTMPInsertRSNIE(&Key_Data[data_offset], &data_offset, RSNIE, RSNIE_LEN, pmkid_ptr, pmkid_len); } #ifdef DOT11R_FT_SUPPORT /* Encapsulate MDIE if FT is enabled*/ if (IS_FT_RSN_STA(pEntry) && bWPA2Capable && ((MsgType == EAPOL_PAIR_MSG_2) || (MsgType == EAPOL_PAIR_MSG_3))) { /* The MDIE shall be the same as those provided in the AP's (Re)association Response frame. */ #ifdef CONFIG_AP_SUPPORT IF_DEV_CONFIG_OPMODE_ON_AP(pAd) { NdisMoveMemory(&Key_Data[data_offset], pEntry->InitialMDIE, 5); data_offset += 5; } #endif /* CONFIG_AP_SUPPORT */ #ifdef CONFIG_STA_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { FT_InsertMdIE(pAd, &Key_Data[data_offset], &data_offset, pAd->MlmeAux.MdIeInfo.MdId, pAd->MlmeAux.MdIeInfo.FtCapPlc); } #endif /* CONFIG_STA_SUPPORT */ } #endif /* DOT11R_FT_SUPPORT */ /* Encapsulate GTK */ /* Only for pairwise_msg3_WPA2 and group_msg1*/ if ((MsgType == EAPOL_PAIR_MSG_3 && bWPA2Capable) || (MsgType == EAPOL_GROUP_MSG_1)) { UINT8 gtk_len; /* Decide the GTK length */ if (GroupKeyWepStatus == Ndis802_11AESEnable) gtk_len = LEN_AES_GTK; else gtk_len = LEN_TKIP_GTK; /* Insert GTK KDE format in WAP2 mode */ if (bWPA2Capable) { /* Construct the common KDE format */ WPA_ConstructKdeHdr(KDE_GTK, 2 + gtk_len, &Key_Data[data_offset]); data_offset += sizeof(KDE_HDR); /* GTK KDE format - 802.11i-2004 Figure-43x*/ Key_Data[data_offset] = (DefaultKeyIdx & 0x03); Key_Data[data_offset + 1] = 0x00; /* Reserved Byte*/ data_offset += 2; } /* Fill in GTK */ NdisMoveMemory(&Key_Data[data_offset], GTK, gtk_len); data_offset += gtk_len; #ifdef DOT11W_PMF_SUPPORT /* Insert IGTK KDE to Key_Data field */ if ((bWPA2Capable) && (CLIENT_STATUS_TEST_FLAG(pEntry, fCLIENT_STATUS_PMF_CAPABLE))) { DBGPRINT(RT_DEBUG_WARN, ("[PMF]:%s - Insert IGTK\n", __FUNCTION__)); PMF_InsertIGTKKDE(pEntry->pAd, pEntry->func_tb_idx, &Key_Data[data_offset], &data_offset); } #endif /* DOT11W_PMF_SUPPORT */ GTK_Included = TRUE; } #ifdef DOT11R_FT_SUPPORT /* Encapsulate the related IE of FT when FT is enabled */ if (IS_FT_RSN_STA(pEntry) && bWPA2Capable && ((MsgType == EAPOL_PAIR_MSG_2) || (MsgType == EAPOL_PAIR_MSG_3))) { /* Encapsulate FTIE. The MDIE shall be the same as those provided in the AP's (Re)association Response frame. */ #ifdef CONFIG_AP_SUPPORT IF_DEV_CONFIG_OPMODE_ON_AP(pAd) { NdisMoveMemory(&Key_Data[data_offset], pEntry->InitialFTIE, pEntry->InitialFTIE_Len); data_offset += pEntry->InitialFTIE_Len; } #endif /* CONFIG_AP_SUPPORT */ #ifdef CONFIG_STA_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { NdisMoveMemory(&Key_Data[data_offset], pAd->MlmeAux.InitialFTIE, pAd->MlmeAux.InitialFTIE_Len); data_offset += pAd->MlmeAux.InitialFTIE_Len; } #endif /* CONFIG_STA_SUPPORT */ #if 0 #ifdef CONFIG_AP_SUPPORT IF_DEV_CONFIG_OPMODE_ON_AP(pAd) { if (MsgType == EAPOL_PAIR_MSG_3 && bWPA2Capable) { /* Encapsulate TIE[ReassociationDeadline] */ FT_InsertTimeoutIntervalIE(pAd, &Key_Data[data_offset], (PULONG)&data_offset, REASSOC_DEADLINE_INTERVAL, FT_REASSOC_DEADLINE); /* Encapsulate TIM[KeyLifetime] */ FT_InsertTimeoutIntervalIE(pAd, &Key_Data[data_offset], (PULONG)&data_offset, KEY_LIFETIME_INTERVAL, (pAd->ApCfg.MBSSID[pEntry->func_tb_idx].PMKCachePeriod/OS_HZ)); } } #endif /* CONFIG_AP_SUPPORT */ #endif /* 0 */ } #endif /* DOT11R_FT_SUPPORT */ /* If the Encrypted Key Data subfield (of the Key Information field) is set, the entire Key Data field shall be encrypted. */ /* This whole key-data field shall be encrypted if a GTK is included.*/ /* Encrypt the data material in key data field with KEK*/ if (GTK_Included) { /*hex_dump("GTK_Included", Key_Data, data_offset);*/ if ( #ifdef DOT11R_FT_SUPPORT (keyDescVer == KEY_DESC_EXT) || #endif /* DOT11R_FT_SUPPORT */ #ifdef CONFIG_HOTSPOT_R2 (keyDescVer == KEY_DESC_OSEN) || #endif /* CONFIG_HOTSPOT_R2 */ (keyDescVer == KEY_DESC_AES)) { UCHAR remainder = 0; UCHAR pad_len = 0; UINT wrap_len =0; /* Key Descriptor Version 2 or 3: AES key wrap, defined in IETF RFC 3394, */ /* shall be used to encrypt the Key Data field using the KEK field from */ /* the derived PTK.*/ /* If the Key Data field uses the NIST AES key wrap, then the Key Data field */ /* shall be padded before encrypting if the key data length is less than 16 */ /* octets or if it is not a multiple of 8. The padding consists of appending*/ /* a single octet 0xdd followed by zero or more 0x00 octets. */ if ((remainder = data_offset & 0x07) != 0) { INT i; pad_len = (8 - remainder); Key_Data[data_offset] = 0xDD; for (i = 1; i < pad_len; i++) Key_Data[data_offset + i] = 0; data_offset += pad_len; } AES_Key_Wrap(Key_Data, (UINT) data_offset, &pEntry->PTK[LEN_PTK_KCK], LEN_PTK_KEK, eGTK, &wrap_len); data_offset = wrap_len; } else { TKIP_GTK_KEY_WRAP(&pEntry->PTK[LEN_PTK_KCK], pMsg->KeyDesc.KeyIv, Key_Data, data_offset, eGTK); } NdisMoveMemory(pMsg->KeyDesc.KeyData, eGTK, data_offset); } else { NdisMoveMemory(pMsg->KeyDesc.KeyData, Key_Data, data_offset); } /* Update key data length field and total body length*/ SET_UINT16_TO_ARRARY(pMsg->KeyDesc.KeyDataLen, data_offset); INC_UINT16_TO_ARRARY(pMsg->Body_Len, data_offset); os_free_mem(NULL, mpool); } /* ======================================================================== Routine Description: Calcaulate MIC. It is used during 4-ways handsharking. Arguments: pAd - pointer to our pAdapter context PeerWepStatus - indicate the encryption type Return Value: Note: The EAPOL-Key MIC is a MIC of the EAPOL-Key frames, from and including the EAPOL protocol version field to and including the Key Data field, calculated with the Key MIC field set to 0. ======================================================================== */ VOID CalculateMIC( IN UCHAR KeyDescVer, IN UCHAR *PTK, OUT PEAPOL_PACKET pMsg) { UCHAR *OutBuffer; ULONG FrameLen = 0; UCHAR mic[LEN_KEY_DESC_MIC]; UCHAR digest[80]; /* allocate memory for MIC calculation*/ os_alloc_mem(NULL, (PUCHAR *)&OutBuffer, 512); if (OutBuffer == NULL) { DBGPRINT(RT_DEBUG_ERROR, ("!!!CalculateMIC: no memory!!!\n")); return; } /* make a frame for calculating MIC.*/ MakeOutgoingFrame(OutBuffer, &FrameLen, CONV_ARRARY_TO_UINT16(pMsg->Body_Len) + 4, pMsg, END_OF_ARGS); NdisZeroMemory(mic, sizeof(mic)); /* Calculate MIC*/ if (KeyDescVer == KEY_DESC_AES) { RT_HMAC_SHA1(PTK, LEN_PTK_KCK, OutBuffer, FrameLen, digest, SHA1_DIGEST_SIZE); NdisMoveMemory(mic, digest, LEN_KEY_DESC_MIC); } else if (KeyDescVer == KEY_DESC_TKIP) { RT_HMAC_MD5(PTK, LEN_PTK_KCK, OutBuffer, FrameLen, mic, MD5_DIGEST_SIZE); } else if ((KeyDescVer == KEY_DESC_EXT) || (KeyDescVer == KEY_DESC_OSEN)) { UINT mlen = AES_KEY128_LENGTH; AES_CMAC(OutBuffer, FrameLen, PTK, LEN_PTK_KCK, mic, &mlen); } /* store the calculated MIC*/ NdisMoveMemory(pMsg->KeyDesc.KeyMic, mic, LEN_KEY_DESC_MIC); os_free_mem(NULL, OutBuffer); } /* For TKIP frame, calculate the MIC value */ BOOLEAN rtmp_chk_tkip_mic(RTMP_ADAPTER *pAd, MAC_TABLE_ENTRY *pEntry, RX_BLK *pRxBlk) { HEADER_802_11 *pHeader = pRxBlk->pHeader; UCHAR *pData = pRxBlk->pData; USHORT DataSize = pRxBlk->DataSize; UCHAR UserPriority = pRxBlk->UserPriority; PCIPHER_KEY pWpaKey; UCHAR *pDA, *pSA; if ((pHeader->FC.FrDs == 1) && (pHeader->FC.ToDs == 1)) { pDA = pHeader->Addr3; pSA = (PUCHAR)pHeader + sizeof(HEADER_802_11); } else if ((pHeader->FC.FrDs == 1) && (pHeader->FC.ToDs == 0)) { pDA = pHeader->Addr1; pSA = pHeader->Addr3; } else if ((pHeader->FC.FrDs == 0) && (pHeader->FC.ToDs == 1)) { pDA = pHeader->Addr3; pSA = pHeader->Addr2; } else { /* FrDS = 0; ToDS = 0 => IBSS, Non-AP to Non-AP in BSS */ pDA = pHeader->Addr1; pSA = pHeader->Addr2; } pWpaKey = &pEntry->PairwiseKey; if (RTMPTkipCompareMICValue(pAd, pData, pDA, pSA, pWpaKey->RxMic, UserPriority, DataSize) == FALSE) { DBGPRINT_RAW(RT_DEBUG_ERROR, ("Rx MIC Value error 2\n")); #ifdef CONFIG_STA_SUPPORT if (RX_BLK_TEST_FLAG(pRxBlk, fRX_AP) || RX_BLK_TEST_FLAG(pRxBlk, fRX_ADHOC)) { #ifdef WPA_SUPPLICANT_SUPPORT #ifdef APCLI_SUPPORT if (IS_ENTRY_APCLI(pEntry) && pAd->ApCfg.ApCliTab[pEntry->func_tb_idx].wpa_supplicant_info.WpaSupplicantUP) { WpaSendMicFailureToWpaSupplicant(pAd->net_dev, pHeader->Addr2, (pWpaKey->Type == PAIRWISEKEY) ? TRUE : FALSE, (INT) pRxBlk->key_idx, NULL); } else #endif /* APCLI_SUPPORT */ if (pAd->StaCfg.wpa_supplicant_info.WpaSupplicantUP) { WpaSendMicFailureToWpaSupplicant(pAd->net_dev, pHeader->Addr2, (pWpaKey->Type == PAIRWISEKEY) ? TRUE : FALSE, (INT) pRxBlk->key_idx, NULL); } else #endif /* WPA_SUPPLICANT_SUPPORT */ RTMPReportMicError(pAd, pWpaKey); } #endif /* CONFIG_STA_SUPPORT */ #ifdef CONFIG_AP_SUPPORT if (RX_BLK_TEST_FLAG(pRxBlk, fRX_STA)) { RTMP_HANDLE_COUNTER_MEASURE(pAd, pEntry); } #endif /* CONFIG_AP_SUPPORT */ RELEASE_NDIS_PACKET(pAd, pRxBlk->pRxPacket, NDIS_STATUS_FAILURE); return FALSE; } return TRUE; } UCHAR RTMPExtractKeyIdxFromIVHdr(UCHAR *pIV, UINT8 CipherAlg) { UCHAR keyIdx = 0xFF; /* extract the key index from IV header */ switch (CipherAlg) { case Ndis802_11WEPEnabled: case Ndis802_11TKIPEnable: case Ndis802_11AESEnable: case Ndis802_11GroupWEP40Enabled: case Ndis802_11GroupWEP104Enabled: keyIdx = (*(pIV + 3) & 0xc0) >> 6; break; #ifdef WAPI_SUPPORT case Ndis802_11EncryptionSMS4Enabled: keyIdx = *(pIV) & 0xFF; break; #endif /* WAPI_SUPPORT */ } return keyIdx; } CIPHER_KEY *RTMPSwCipherKeySelection( IN RTMP_ADAPTER *pAd, IN UCHAR *pIV, IN RX_BLK *pRxBlk, IN MAC_TABLE_ENTRY *pEntry) { PCIPHER_KEY pKey = NULL; UCHAR keyIdx = 0; UINT8 CipherAlg = Ndis802_11EncryptionDisabled; if ((pEntry == NULL) || (RX_BLK_TEST_FLAG(pRxBlk, fRX_STA)) || (RX_BLK_TEST_FLAG(pRxBlk, fRX_WDS)) || (RX_BLK_TEST_FLAG(pRxBlk, fRX_MESH))) return NULL; if (pRxBlk->pRxInfo->U2M) { CipherAlg = (UINT8)pEntry->WepStatus; } else { #ifdef CONFIG_STA_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { CipherAlg = (UINT8)pAd->StaCfg.GroupCipher; } #endif /* CONFIG_STA_SUPPORT */ } if ((keyIdx = RTMPExtractKeyIdxFromIVHdr(pIV, CipherAlg)) > 3) { DBGPRINT(RT_DEBUG_ERROR, ("%s : Invalid key index(%d) !!!\n", __FUNCTION__, keyIdx)); return NULL; } if ((CipherAlg == Ndis802_11WEPEnabled) || (CipherAlg == Ndis802_11GroupWEP40Enabled) || (CipherAlg == Ndis802_11GroupWEP104Enabled)) { pKey = &pAd->SharedKey[pEntry->func_tb_idx][keyIdx]; } else if ((CipherAlg == Ndis802_11TKIPEnable) || (CipherAlg == Ndis802_11AESEnable)) { if (pRxBlk->pRxInfo->U2M) pKey = &pEntry->PairwiseKey; else { #ifdef CONFIG_STA_SUPPORT #ifdef ADHOC_WPA2PSK_SUPPORT if (ADHOC_ON(pAd)) pKey = &pEntry->RxGTK; else #endif /* ADHOC_WPA2PSK_SUPPORT */ #endif /* CONFIG_STA_SUPPORT */ pKey = &pAd->SharedKey[pEntry->func_tb_idx][keyIdx]; } } #ifdef WAPI_SUPPORT else if (CipherAlg == Ndis802_11EncryptionSMS4Enabled) { if (pRxBlk->pRxInfo->U2M) pKey = &pEntry->PairwiseKey; else pKey = &pAd->SharedKey[pEntry->func_tb_idx][keyIdx]; } #endif /* WAPI_SUPPORT */ return pKey; } /* ======================================================================== Routine Description: Some received frames can't decrypt by Asic, so decrypt them by software. Arguments: pAd - pointer to our pAdapter context PeerWepStatus - indicate the encryption type Return Value: NDIS_STATUS_SUCCESS - decryption successful NDIS_STATUS_FAILURE - decryption failure ======================================================================== */ NDIS_STATUS RTMPSoftDecryptionAction( IN PRTMP_ADAPTER pAd, IN PUCHAR pHdr, IN UCHAR UserPriority, IN PCIPHER_KEY pKey, INOUT PUCHAR pData, INOUT UINT16 *DataByteCnt) { switch (pKey->CipherAlg) { case CIPHER_WEP64: case CIPHER_WEP128: /* handle WEP decryption */ if (RTMPSoftDecryptWEP(pAd, pKey, pData, &(*DataByteCnt)) == FALSE) { DBGPRINT(RT_DEBUG_ERROR, ("ERROR : SW decrypt WEP data fails.\n")); /* give up this frame*/ return NDIS_STATUS_FAILURE; } break; case CIPHER_TKIP: /* handle TKIP decryption */ if (RTMPSoftDecryptTKIP(pAd, pHdr, UserPriority, pKey, pData, &(*DataByteCnt)) == FALSE) { DBGPRINT(RT_DEBUG_ERROR, ("ERROR : SW decrypt TKIP data fails.\n")); /* give up this frame*/ return NDIS_STATUS_FAILURE; } break; case CIPHER_AES: /* handle AES decryption */ if (RTMPSoftDecryptCCMP(pAd, pHdr, pKey, pData, &(*DataByteCnt)) == FALSE) { DBGPRINT(RT_DEBUG_ERROR, ("ERROR : SW decrypt AES data fails.\n")); /* give up this frame*/ return NDIS_STATUS_FAILURE; } break; #ifdef WAPI_SUPPORT #ifdef SOFT_ENCRYPT case CIPHER_SMS4: { INT ret; #ifdef RT_BIG_ENDIAN RTMPFrameEndianChange(pAd, pHdr, DIR_READ, FALSE); #endif if ((ret = RTMPSoftDecryptSMS4(pHdr, FALSE, pKey, pData, &(*DataByteCnt))) != STATUS_SUCCESS) { DBGPRINT(RT_DEBUG_ERROR, ("ERROR : SW decrypt SMS4 data fails(%d).\n", ret)); /* give up this frame*/ return NDIS_STATUS_FAILURE; } #ifdef RT_BIG_ENDIAN RTMPFrameEndianChange(pAd, pHdr, DIR_READ, FALSE); #endif } break; #endif /* SOFT_ENCRYPT */ #endif /* WAPI_SUPPORT */ default: /* give up this frame*/ return NDIS_STATUS_FAILURE; break; } return NDIS_STATUS_SUCCESS; } VOID RTMPSoftConstructIVHdr( IN UCHAR CipherAlg, IN UCHAR key_id, IN PUCHAR pTxIv, OUT PUCHAR pHdrIv, OUT UINT8 *hdr_iv_len) { *hdr_iv_len = 0; #ifdef WAPI_SUPPORT if (CipherAlg == CIPHER_SMS4) { /* Construct and insert WPI-SMS4 IV header to MPDU header */ RTMPConstructWPIIVHdr(key_id, pTxIv, pHdrIv); *hdr_iv_len = LEN_WPI_IV_HDR; } else #endif /* WAPI_SUPPORT */ if ((CipherAlg == CIPHER_WEP64) || (CipherAlg == CIPHER_WEP128)) { /* Construct and insert 4-bytes WEP IV header to MPDU header */ RTMPConstructWEPIVHdr(key_id, pTxIv, pHdrIv); *hdr_iv_len = LEN_WEP_IV_HDR; } else if (CipherAlg == CIPHER_TKIP) ; else if (CipherAlg == CIPHER_AES) { /* Construct and insert 8-bytes CCMP header to MPDU header */ RTMPConstructCCMPHdr(key_id, pTxIv, pHdrIv); *hdr_iv_len = LEN_CCMP_HDR; } } VOID RTMPSoftEncryptionAction( IN PRTMP_ADAPTER pAd, IN UCHAR CipherAlg, IN PUCHAR pHdr, IN PUCHAR pSrcBufData, IN UINT32 SrcBufLen, IN UCHAR KeyIdx, IN PCIPHER_KEY pKey, OUT UINT8 *ext_len) { BOOLEAN ret = FALSE; *ext_len = 0; #ifdef WAPI_SUPPORT #ifdef SOFT_ENCRYPT if (CipherAlg == CIPHER_SMS4) { #ifdef RT_BIG_ENDIAN RTMPFrameEndianChange(pAd, pHdr, DIR_READ, FALSE); #endif /* Encrypt the MPDU data by software*/ RTMPSoftEncryptSMS4(pHdr, pSrcBufData, SrcBufLen, KeyIdx, pKey->Key, pKey->TxTsc); #ifdef RT_BIG_ENDIAN RTMPFrameEndianChange(pAd, pHdr, DIR_READ, FALSE); #endif *ext_len = LEN_WPI_MIC; } else #endif /* SOFT_ENCRYPT */ #endif /* WAPI_SUPPORT */ if ((CipherAlg == CIPHER_WEP64) || (CipherAlg == CIPHER_WEP128)) { /* Encrypt the MPDU data by software*/ ret = RTMPSoftEncryptWEP(pAd, pKey->TxTsc, pKey, pSrcBufData, SrcBufLen); if (ret == TRUE) *ext_len = LEN_ICV; } else if (CipherAlg == CIPHER_TKIP) ; else if (CipherAlg == CIPHER_AES) { /* Encrypt the MPDU data by software*/ RTMPSoftEncryptCCMP(pAd, pHdr, pKey->TxTsc, pKey->Key, pSrcBufData, SrcBufLen); *ext_len = LEN_CCMP_MIC; } } PUINT8 WPA_ExtractSuiteFromRSNIE( IN PUINT8 rsnie, IN UINT rsnie_len, IN UINT8 type, OUT UINT8 *count) { PEID_STRUCT pEid; INT len; PUINT8 pBuf; INT offset = 0; pEid = (PEID_STRUCT)rsnie; len = rsnie_len - 2; /* exclude IE and length*/ pBuf = (PUINT8)&pEid->Octet[0]; /* set default value*/ *count = 0; /* Check length*/ if ((len <= 0) || (pEid->Len != len)) { DBGPRINT_ERR(("%s : The length is invalid\n", __FUNCTION__)); goto out; } /* Check WPA or WPA2*/ if (pEid->Eid == IE_WPA) { /* Check the length */ if (len < sizeof(RSNIE)) { DBGPRINT(RT_DEBUG_ERROR, ("%s : The length is too short for WPA\n", __FUNCTION__)); goto out; } else { PRSNIE pRsnie; UINT16 u_cnt; pRsnie = (PRSNIE)pBuf; u_cnt = cpu2le16(pRsnie->ucount); offset = sizeof(RSNIE) + (LEN_OUI_SUITE * (u_cnt - 1)); if (len < offset) { DBGPRINT(RT_DEBUG_ERROR, ("%s : The expected lenght(%d) exceed the remaining length(%d) for WPA-RSN \n", __FUNCTION__, offset, len)); goto out; } else { /* Get the group cipher*/ if (type == GROUP_SUITE) { *count = 1; return pRsnie->mcast; } /* Get the pairwise cipher suite*/ else if (type == PAIRWISE_SUITE) { DBGPRINT(RT_DEBUG_TRACE, ("%s : The count of pairwise cipher is %d\n", __FUNCTION__, u_cnt)); *count = (UINT8)u_cnt; return pRsnie->ucast[0].oui; } } } } else if (pEid->Eid == IE_RSN) { if (len < sizeof(RSNIE2)) { DBGPRINT(RT_DEBUG_ERROR, ("%s : The length is too short for WPA2\n", __FUNCTION__)); goto out; } else { PRSNIE2 pRsnie2; UINT16 u_cnt; pRsnie2 = (PRSNIE2)pBuf; u_cnt = cpu2le16(pRsnie2->ucount); offset = sizeof(RSNIE2) + (LEN_OUI_SUITE * (u_cnt - 1)); if (len < offset) { DBGPRINT(RT_DEBUG_ERROR, ("%s : The expected lenght(%d) exceed the remaining length(%d) for WPA2-RSN \n", __FUNCTION__, offset, len)); goto out; } else { /* Get the group cipher*/ if (type == GROUP_SUITE) { *count = 1; return pRsnie2->mcast; } /* Get the pairwise cipher suite*/ else if (type == PAIRWISE_SUITE) { DBGPRINT(RT_DEBUG_TRACE, ("%s : The count of pairwise cipher is %d\n", __FUNCTION__, u_cnt)); *count = (UINT8)u_cnt; return pRsnie2->ucast[0].oui; } } } } else { DBGPRINT(RT_DEBUG_ERROR, ("%s : Unknown IE (%d)\n", __FUNCTION__, pEid->Eid)); goto out; } /* skip group cipher and pairwise cipher suite */ pBuf += offset; len -= offset; /* Ready to extract the AKM information and its count */ if (len < sizeof(RSNIE_AUTH)) { DBGPRINT_ERR(("%s : The length of AKM of RSN is too short\n", __FUNCTION__)); goto out; } else { PRSNIE_AUTH pAkm; UINT16 a_cnt; /* pointer to AKM count */ pAkm = (PRSNIE_AUTH)pBuf; a_cnt = cpu2le16(pAkm->acount); offset = sizeof(RSNIE_AUTH) + (LEN_OUI_SUITE * (a_cnt - 1)); if (len < offset) { DBGPRINT(RT_DEBUG_ERROR, ("%s : The expected lenght(%d) exceed the remaining length(%d) for AKM \n", __FUNCTION__, offset, len)); goto out; } else { /* Get the AKM suite */ if (type == AKM_SUITE) { DBGPRINT(RT_DEBUG_TRACE, ("%s : The count of AKM is %d\n", __FUNCTION__, a_cnt)); *count = (UINT8)a_cnt; return pAkm->auth[0].oui; } } } /* For WPA1, the remaining shall be ignored. */ if (pEid->Eid == IE_WPA) { DBGPRINT(RT_DEBUG_TRACE, ("%s : The remaining shall be ignored in WPA mode\n", __FUNCTION__)); goto out; } /* skip the AKM capability */ pBuf += offset; len -= offset; /* Parse the RSN Capabilities */ if (len < sizeof(RSN_CAPABILITIES)) { DBGPRINT(RT_DEBUG_TRACE, ("%s : The peer RSNIE doesn't include RSN-Cap\n", __FUNCTION__)); goto out; } else { /* Report the content of the RSN capabilities */ if (type == RSN_CAP_INFO) { DBGPRINT(RT_DEBUG_TRACE, ("%s : Extract RSN Capabilities\n", __FUNCTION__)); *count = 1; return pBuf; } /* skip RSN capability (2-bytes) */ offset = sizeof(RSN_CAPABILITIES); pBuf += offset; len -= offset; } /* Extract PMKID-list field */ if (len < sizeof(UINT16)) { DBGPRINT(RT_DEBUG_TRACE, ("%s : The peer RSNIE doesn't include PMKID list Count\n", __FUNCTION__)); goto out; } else { UINT16 p_count; PUINT8 pPmkidList = NULL; NdisMoveMemory(&p_count, pBuf, sizeof(UINT16)); p_count = cpu2le16(p_count); /* Get count of the PMKID list */ if (p_count > 0) { PRSNIE_PMKID pRsnPmkid; /* the expected length of PMKID-List field */ offset = sizeof(RSNIE_PMKID) + (LEN_PMKID * (p_count - 1)); /* sanity check about the length of PMKID-List field */ if (len < offset) { DBGPRINT(RT_DEBUG_ERROR, ("%s : The expected lenght(%d) exceed the remaining length(%d) in PMKID-field \n", __FUNCTION__, offset, len)); goto out; } /* pointer to PMKID field */ pRsnPmkid = (PRSNIE_PMKID)pBuf; pPmkidList = pRsnPmkid->pmkid[0].list; } else { /* The PMKID field shall be without PMKID-List */ offset = sizeof(UINT16); pPmkidList = NULL; } /* Extract PMKID list and its count */ if (type == PMKID_LIST) { *count = (UINT8)p_count; return pPmkidList; } /* skip the PMKID field */ pBuf += offset; len -= offset; } #ifdef DOT11W_PMF_SUPPORT /* Get group mamagement cipher */ if (len < LEN_OUI_SUITE) { DBGPRINT(RT_DEBUG_TRACE, ("[PMF]%s : The peer RSNIE doesn't include Group_mgmt_cipher_suite\n", __FUNCTION__)); goto out; } else { offset = LEN_OUI_SUITE; /* Get Group-Mgmt-Cipher_Suite information */ if (type == G_MGMT_SUITE) { *count = 1; return pBuf; } else { /* skip the Group-Mgmt-Cipher_Suite field */ pBuf += offset; len -= offset; } } #endif /* DOT11W_PMF_SUPPORT */ out: *count = 0; return NULL; } VOID WpaShowAllsuite( IN PUINT8 rsnie, IN UINT rsnie_len) { PUINT8 pSuite = NULL; UINT8 count; hex_dump("RSNIE", rsnie, rsnie_len); /* group cipher*/ if ((pSuite = WPA_ExtractSuiteFromRSNIE(rsnie, rsnie_len, GROUP_SUITE, &count)) != NULL) { hex_dump("group cipher", pSuite, 4*count); } /* pairwise cipher*/ if ((pSuite = WPA_ExtractSuiteFromRSNIE(rsnie, rsnie_len, PAIRWISE_SUITE, &count)) != NULL) { hex_dump("pairwise cipher", pSuite, 4*count); } /* AKM*/ if ((pSuite = WPA_ExtractSuiteFromRSNIE(rsnie, rsnie_len, AKM_SUITE, &count)) != NULL) { hex_dump("AKM suite", pSuite, 4*count); } /* PMKID*/ if ((pSuite = WPA_ExtractSuiteFromRSNIE(rsnie, rsnie_len, PMKID_LIST, &count)) != NULL) { hex_dump("PMKID", pSuite, LEN_PMKID); } } VOID RTMPInsertRSNIE( IN PUCHAR pFrameBuf, OUT PULONG pFrameLen, IN PUINT8 rsnie_ptr, IN UINT8 rsnie_len, IN PUINT8 pmkid_ptr, IN UINT8 pmkid_len) { PUCHAR pTmpBuf; ULONG TempLen = 0; UINT8 extra_len = 0; UINT16 pmk_count = 0; UCHAR ie_num; UINT8 total_len = 0; UCHAR WPA2_OUI[3]={0x00,0x0F,0xAC}; pTmpBuf = pFrameBuf; /* PMKID-List Must larger than 0 and the multiple of 16. */ if (pmkid_len > 0 && ((pmkid_len & 0x0f) == 0)) { extra_len = sizeof(UINT16) + pmkid_len; pmk_count = (pmkid_len >> 4); pmk_count = cpu2le16(pmk_count); } else { DBGPRINT(RT_DEBUG_TRACE, ("%s : no PMKID-List included(%d).\n", __FUNCTION__, pmkid_len)); } if (rsnie_len != 0) { ie_num = IE_WPA; total_len = rsnie_len; if (NdisEqualMemory(rsnie_ptr + 2, WPA2_OUI, sizeof(WPA2_OUI))) { ie_num = IE_RSN; total_len += extra_len; } /* construct RSNIE body */ MakeOutgoingFrame(pTmpBuf, &TempLen, 1, &ie_num, 1, &total_len, rsnie_len, rsnie_ptr, END_OF_ARGS); pTmpBuf += TempLen; *pFrameLen = *pFrameLen + TempLen; if (ie_num == IE_RSN) { /* Insert PMKID-List field */ if (extra_len > 0) { MakeOutgoingFrame(pTmpBuf, &TempLen, 2, &pmk_count, pmkid_len, pmkid_ptr, END_OF_ARGS); pTmpBuf += TempLen; *pFrameLen = *pFrameLen + TempLen; } } } return; } VOID WPAInstallPairwiseKey( PRTMP_ADAPTER pAd, UINT8 BssIdx, PMAC_TABLE_ENTRY pEntry, BOOLEAN bAE) { NdisZeroMemory(&pEntry->PairwiseKey, sizeof(CIPHER_KEY)); /* Assign the pairwise cipher algorithm */ if (pEntry->WepStatus == Ndis802_11TKIPEnable) pEntry->PairwiseKey.CipherAlg = CIPHER_TKIP; else if (pEntry->WepStatus == Ndis802_11AESEnable) pEntry->PairwiseKey.CipherAlg = CIPHER_AES; else { DBGPRINT(RT_DEBUG_ERROR, ("%s : fails (wcid-%d)\n", __FUNCTION__, pEntry->wcid)); return; } /* Assign key material and its length */ pEntry->PairwiseKey.KeyLen = LEN_TK; NdisMoveMemory(pEntry->PairwiseKey.Key, &pEntry->PTK[OFFSET_OF_PTK_TK], LEN_TK); if (pEntry->PairwiseKey.CipherAlg == CIPHER_TKIP) { if (bAE) { NdisMoveMemory(pEntry->PairwiseKey.TxMic, &pEntry->PTK[OFFSET_OF_AP_TKIP_TX_MIC], LEN_TKIP_MIC); NdisMoveMemory(pEntry->PairwiseKey.RxMic, &pEntry->PTK[OFFSET_OF_AP_TKIP_RX_MIC], LEN_TKIP_MIC); } else { NdisMoveMemory(pEntry->PairwiseKey.TxMic, &pEntry->PTK[OFFSET_OF_STA_TKIP_TX_MIC], LEN_TKIP_MIC); NdisMoveMemory(pEntry->PairwiseKey.RxMic, &pEntry->PTK[OFFSET_OF_STA_TKIP_RX_MIC], LEN_TKIP_MIC); } } #ifdef SOFT_ENCRYPT if (CLIENT_STATUS_TEST_FLAG(pEntry, fCLIENT_STATUS_SOFTWARE_ENCRYPT)) { DBGPRINT(RT_DEBUG_TRACE, ("===> SW_ENC ON(wcid=%d) \n", pEntry->wcid)); NdisZeroMemory(pEntry->PairwiseKey.TxTsc, LEN_WPA_TSC); NdisZeroMemory(pEntry->PairwiseKey.RxTsc, LEN_WPA_TSC); } else #endif /* SOFT_ENCRYPT */ { /* Add Pair-wise key to Asic */ AsicAddPairwiseKeyEntry( pAd, (UCHAR)pEntry->wcid, &pEntry->PairwiseKey); RTMPSetWcidSecurityInfo(pAd, BssIdx, 0, pEntry->PairwiseKey.CipherAlg, (UCHAR)pEntry->wcid, PAIRWISEKEYTABLE); #ifdef MT_MAC if (pAd->chipCap.hif_type == HIF_MT) CmdProcAddRemoveKey(pAd, 0, BssIdx, 0, pEntry->wcid, PAIRWISEKEYTABLE, &pEntry->PairwiseKey, pEntry->Addr); #endif } } VOID WPAInstallSharedKey( PRTMP_ADAPTER pAd, UINT8 GroupCipher, UINT8 BssIdx, UINT8 KeyIdx, UINT8 Wcid, BOOLEAN bAE, PUINT8 pGtk, UINT8 GtkLen) { PCIPHER_KEY pSharedKey = NULL; if (BssIdx >= MAX_MBSSID_NUM(pAd)) { DBGPRINT(RT_DEBUG_ERROR, ("%s : The BSS-index(%d) is out of range for MBSSID link. \n", __FUNCTION__, BssIdx)); return; } #if (defined(MT_MAC) && defined(APCLI_SUPPORT)) if (Wcid == APCLI_MCAST_WCID) { PAPCLI_STRUCT pApCliEntry = NULL; pApCliEntry = &pAd->ApCfg.ApCliTab[0];//TODO: Carter, find a better way to know index. if (KeyIdx < SHARE_KEY_NUM ) pSharedKey = &pApCliEntry->SharedKey[KeyIdx]; else { DBGPRINT(RT_DEBUG_ERROR, ("%s():%d Over buffer size!\n", __FUNCTION__,__LINE__)); return; } } else #endif { UINT32 u4MaxSharedKeySize = 0; UINT32 u4MaxSharedKeyLen = 0; u4MaxSharedKeySize = sizeof(pAd->SharedKey)/sizeof(pAd->SharedKey[0]); u4MaxSharedKeyLen = sizeof(pAd->SharedKey[0])/sizeof(pAd->SharedKey[0][0]); if((BssIdx >= u4MaxSharedKeySize) || (KeyIdx >= u4MaxSharedKeyLen)) { DBGPRINT(RT_DEBUG_ERROR, ("%s():%d Over buffer size!\n", __FUNCTION__,__LINE__)); return; } else pSharedKey = &pAd->SharedKey[BssIdx][KeyIdx]; } if(pSharedKey) NdisZeroMemory(pSharedKey, sizeof(CIPHER_KEY)); /* Set the group cipher */ if (GroupCipher == Ndis802_11GroupWEP40Enabled) pSharedKey->CipherAlg = CIPHER_WEP64; else if (GroupCipher == Ndis802_11GroupWEP104Enabled) pSharedKey->CipherAlg = CIPHER_WEP128; else if (GroupCipher == Ndis802_11TKIPEnable) pSharedKey->CipherAlg = CIPHER_TKIP; else if (GroupCipher == Ndis802_11AESEnable) pSharedKey->CipherAlg = CIPHER_AES; else { DBGPRINT(RT_DEBUG_ERROR, ("%s : fails (IF/ra%d) \n", __FUNCTION__, BssIdx)); return; } /* Set the key material and its length */ if (GroupCipher == Ndis802_11GroupWEP40Enabled || GroupCipher == Ndis802_11GroupWEP104Enabled) { /* Sanity check the length */ if ((GtkLen != LEN_WEP64) && (GtkLen != LEN_WEP128)) { DBGPRINT(RT_DEBUG_ERROR, ("%s : (IF/ra%d) WEP key invlaid(%d) \n", __FUNCTION__, BssIdx, GtkLen)); return; } pSharedKey->KeyLen = GtkLen; NdisMoveMemory(pSharedKey->Key, pGtk, GtkLen); } else { /* Sanity check the length */ if (GtkLen < LEN_TK) { DBGPRINT(RT_DEBUG_ERROR, ("%s : (IF/ra%d) WPA key invlaid(%d) \n", __FUNCTION__, BssIdx, GtkLen)); return; } pSharedKey->KeyLen = LEN_TK; NdisMoveMemory(pSharedKey->Key, pGtk, LEN_TK); if (pSharedKey->CipherAlg == CIPHER_TKIP) { if (bAE) { NdisMoveMemory(pSharedKey->TxMic, pGtk + 16, LEN_TKIP_MIC); NdisMoveMemory(pSharedKey->RxMic, pGtk + 24, LEN_TKIP_MIC); } else { NdisMoveMemory(pSharedKey->TxMic, pGtk + 24, LEN_TKIP_MIC); NdisMoveMemory(pSharedKey->RxMic, pGtk + 16, LEN_TKIP_MIC); } } } /* Update group key table(0x6C00) and group key mode(0x7000) */ AsicAddSharedKeyEntry( pAd, BssIdx, KeyIdx, pSharedKey); /* When Wcid isn't zero, it means that this is a Authenticator Role. Only Authenticator entity needs to set HW IE/EIV table (0x6000) and WCID attribute table (0x6800) for group key. */ if (Wcid != 0) { RTMPSetWcidSecurityInfo(pAd, BssIdx, KeyIdx, pSharedKey->CipherAlg, Wcid, SHAREDKEYTABLE); } #ifdef MT_MAC if (pAd->chipCap.hif_type == HIF_MT) CmdProcAddRemoveKey(pAd, 0, BssIdx, KeyIdx, Wcid, SHAREDKEYTABLE, pSharedKey, BROADCAST_ADDR); #endif } VOID RTMPSetWcidSecurityInfo( PRTMP_ADAPTER pAd, UINT8 BssIdx, UINT8 KeyIdx, UINT8 CipherAlg, UINT8 Wcid, UINT8 KeyTabFlag) { UINT32 IV = 0; UINT8 IV_KEYID = 0; /* Prepare initial IV value */ if (CipherAlg == CIPHER_WEP64 || CipherAlg == CIPHER_WEP128) { INT i; UCHAR TxTsc[LEN_WEP_TSC]; /* Generate 3-bytes IV randomly for encryption using */ for(i = 0; i < LEN_WEP_TSC; i++) TxTsc[i] = RandomByte(pAd); /* Update HW IVEIV table */ IV_KEYID = (KeyIdx << 6); IV = (IV_KEYID << 24) | (TxTsc[2] << 16) | (TxTsc[1] << 8) | (TxTsc[0]); } else if (CipherAlg == CIPHER_TKIP || CipherAlg == CIPHER_AES) { /* Set IVEIV as 1 in Asic - In IEEE 802.11-2007 8.3.3.4.3 described : The PN shall be implemented as a 48-bit monotonically incrementing non-negative integer, initialized to 1 when the corresponding temporal key is initialized or refreshed. */ IV_KEYID = (KeyIdx << 6) | 0x20; IV = (IV_KEYID << 24) | 1; } else { DBGPRINT(RT_DEBUG_ERROR, ("%s : Unsupport cipher Alg (%d) for Wcid-%d \n", __FUNCTION__, CipherAlg, Wcid)); return; } /* Update WCID IV/EIV table */ AsicUpdateWCIDIVEIV(pAd, Wcid, IV, 0); /* Update WCID attribute entry */ AsicUpdateWcidAttributeEntry(pAd, BssIdx, KeyIdx, CipherAlg, Wcid, KeyTabFlag); } #ifdef WPA_SUPPLICANT_SUPPORT #define LENGTH_EAP_H 4 /* If the received frame is EAP-Packet ,find out its EAP-Code (Request(0x01), Response(0x02), Success(0x03), Failure(0x04)). */ INT WpaCheckEapCode( IN RTMP_ADAPTER *pAd, IN UCHAR *pFrame, IN USHORT FrameLen, IN USHORT OffSet) { PUCHAR pData; INT result = 0; if( FrameLen < OffSet + LENGTH_EAPOL_H + LENGTH_EAP_H ) return result; pData = pFrame + OffSet; /* skip offset bytes */ if(*(pData+1) == EAPPacket) /* 802.1x header - Packet Type */ { result = *(pData+4); /* EAP header - Code */ } return result; } #if 0 /* os abl move to common/rt_os_util.c */ VOID WpaSendMicFailureToWpaSupplicant( IN PRTMP_ADAPTER pAd, IN BOOLEAN bUnicast) { char custom[IW_CUSTOM_MAX] = {0}; sprintf(custom, "MLME-MICHAELMICFAILURE.indication"); if(bUnicast) sprintf(custom, "%s unicast", custom); RtmpOSWrielessEventSend(pAd->net_dev, RT_WLAN_EVENT_CUSTOM, -1, NULL, (PUCHAR)custom, strlen(custom)); return; } #endif /* 0 */ #endif /* WPA_SUPPLICANT_SUPPORT */ #ifdef RT_CFG80211_SUPPORT BOOLEAN RTMPIsValidIEs(UCHAR *Ies, INT32 Len) { /* Validate if the IE is in correct format. */ INT32 Pos = 0; INT32 IeLen = 0; while (Pos < Len) { if ((IeLen = (INT32)(Ies[Pos+1]) + 2) < 0) return FALSE; Pos += IeLen; } if (Pos == Len) return TRUE; else return FALSE; } /* Find specific IE Id in a buffer containing multiple IEs */ const UCHAR *RTMPFindIE(UCHAR Eid, const UCHAR *Ies, INT32 Len) { while (Len > 2 && Ies[0] != Eid) { Len -= Ies[1] + 2; Ies += Ies[1] + 2; } if (Len < 2) return NULL; if (Len < 2 + Ies[1]) return NULL; return Ies; } /* Find WPS IE Id in a buffer containing multiple IEs */ const UCHAR *RTMPFindWPSIE(const UCHAR *Ies, INT32 Len) { const UCHAR *Ptr = Ies; UCHAR WPSOUI[]={0x00, 0x50, 0xf2, 0x04}; if (!Ies || ! Len) return NULL; while ((Ptr = RTMPFindIE(WLAN_EID_VENDOR_SPECIFIC, Ptr, Len-(Ptr-Ies))) != NULL) { if (!NdisCmpMemory(Ptr+2, WPSOUI, 4)) break; Ptr += Ptr[1] + 2; } return Ptr; } #endif /* RT_CFG80211_SUPPORT */