/*************************************************
* Function: MSG_RecvDataFromCloud
* Description:
* Author: cxy
* Returns:
* Parameter:
* History:
*************************************************/
void ICACHE_FLASH_ATTR
MSG_RecvDataFromCloud(u8 *pu8Data, u32 u32DataLen)
{
u32 u32RetVal;
u16 u16PlainLen;
u32RetVal = MSG_RecvData(&g_struRecvBuffer, pu8Data, u32DataLen);
if (ZC_RET_OK == u32RetVal)
{
if (MSG_BUFFER_FULL == g_struRecvBuffer.u8Status)
{
u32RetVal = SEC_Decrypt((ZC_SecHead*)g_struRecvBuffer.u8MsgBuffer,
g_struRecvBuffer.u8MsgBuffer + sizeof(ZC_SecHead), g_u8MsgBuildBuffer, &u16PlainLen);
/*copy data*/
memcpy(g_struRecvBuffer.u8MsgBuffer, g_u8MsgBuildBuffer, u16PlainLen);
g_struRecvBuffer.u32Len = u16PlainLen;
if (ZC_RET_OK == u32RetVal)
{
u32RetVal = MSG_PushMsg(&g_struRecvQueue, (u8*)&g_struRecvBuffer);
}
}
}
return;
}
/*************************************************
* Function: ZC_RecvDataFromClient
* Description:
* Author: cxy
* Returns:
* Parameter:
* History:
*************************************************/
void ZC_RecvDataFromClient(u32 ClientId, u8 *pu8Data, u32 u32DataLen)
{
u32 u32RetVal;
ZC_MessageHead *pstruMsg;
ZC_MessageOptHead struOpt;
ZC_SsessionInfo struSessionMsg;
ZC_SecHead *pstruHead;
u16 u16Len;
u32 u32CiperLen;
u8 *pu8Key;
ZC_SendParam struParam;
u8 u8Iv[ZC_HS_SESSION_KEY_LEN];
u16 crc;
/*can hanle it,get aes key*/
ZC_GetStoreInfor(ZC_GET_TYPE_TOKENKEY, &pu8Key);
u32RetVal = ZC_CheckClientIdle(ClientId);
if (ZC_RET_ERROR == u32RetVal)
{
pstruHead = (ZC_SecHead*)(g_u8MsgBuildBuffer);
EVENT_BuildMsg(ZC_CODE_ERR, 0, g_u8MsgBuildBuffer + sizeof(ZC_SecHead), &u16Len,
NULL, 0);
memcpy(u8Iv, pu8Key, ZC_HS_SESSION_KEY_LEN);
AES_CBC_Encrypt(g_u8MsgBuildBuffer + sizeof(ZC_SecHead), u16Len,
pu8Key, ZC_HS_SESSION_KEY_LEN,
u8Iv, ZC_HS_SESSION_KEY_LEN,
g_u8MsgBuildBuffer + sizeof(ZC_SecHead), &u32CiperLen);
pstruHead->u8SecType = ZC_SEC_ALG_AES;
pstruHead->u16TotalMsg = ZC_HTONS((u16)u32CiperLen);
struParam.u8NeedPoll = 0;
g_struProtocolController.pstruMoudleFun->pfunSendTcpData(ClientId, g_u8MsgBuildBuffer,
u32CiperLen + sizeof(ZC_SecHead), &struParam);
return;
}
/*set client busy*/
ZC_SetClientBusy(ClientId);
u32RetVal = MSG_RecvData(&g_struClientBuffer, pu8Data, u32DataLen);
if ((MSG_BUFFER_FULL == g_struClientBuffer.u8Status)&&(ZC_RET_OK == u32RetVal))
{
do
{
pstruHead = (ZC_SecHead *)g_struClientBuffer.u8MsgBuffer;
if (ZC_HTONS(pstruHead->u16TotalMsg) >= MSG_BULID_BUFFER_MAXLEN)
{
break;
}
memcpy(u8Iv, pu8Key, ZC_HS_SESSION_KEY_LEN);
AES_CBC_Decrypt(g_struClientBuffer.u8MsgBuffer + sizeof(ZC_SecHead), ZC_HTONS(pstruHead->u16TotalMsg),
pu8Key, ZC_HS_SESSION_KEY_LEN,
u8Iv, ZC_HS_SESSION_KEY_LEN,
g_u8MsgBuildBuffer, &u32CiperLen);
pstruMsg = (ZC_MessageHead*)(g_u8MsgBuildBuffer);
if(ZC_RET_ERROR == PCT_CheckCrc(pstruMsg->TotalMsgCrc, (u8 *)(pstruMsg + 1), ZC_HTONS(pstruMsg->Payloadlen)))
{
break;
}
pstruMsg->Payloadlen = ZC_HTONS(ZC_HTONS(pstruMsg->Payloadlen) + sizeof(ZC_MessageOptHead) + sizeof(ZC_SsessionInfo));
if (ZC_HTONS(pstruMsg->Payloadlen) > MSG_BULID_BUFFER_MAXLEN)
{
break;
}
pstruMsg->OptNum = pstruMsg->OptNum + 1;
struOpt.OptCode = ZC_HTONS(ZC_OPT_SSESSION);
struOpt.OptLen = ZC_HTONS(sizeof(ZC_SsessionInfo));
struSessionMsg.u32SsessionId = ZC_HTONL(ClientId);
u16Len = 0;
memcpy(g_struClientBuffer.u8MsgBuffer + u16Len, pstruMsg, sizeof(ZC_MessageHead));
/*insert opt*/
u16Len += sizeof(ZC_MessageHead);
memcpy(g_struClientBuffer.u8MsgBuffer + u16Len,
&struOpt, sizeof(ZC_MessageOptHead));
u16Len += sizeof(ZC_MessageOptHead);
memcpy(g_struClientBuffer.u8MsgBuffer + u16Len,
&struSessionMsg, sizeof(struSessionMsg));
/*copy message*/
u16Len += sizeof(struSessionMsg);
memcpy(g_struClientBuffer.u8MsgBuffer + u16Len,
(u8*)(pstruMsg+1), ZC_HTONS(pstruMsg->Payloadlen) - (sizeof(ZC_MessageOptHead) + sizeof(struSessionMsg)));
u16Len += ZC_HTONS(pstruMsg->Payloadlen) - (sizeof(ZC_MessageOptHead) + sizeof(struSessionMsg));
g_struClientBuffer.u32Len = u16Len;
crc = crc16_ccitt(g_struClientBuffer.u8MsgBuffer+sizeof(ZC_MessageHead),u16Len - sizeof(ZC_MessageHead));
pstruMsg = (ZC_MessageHead*)(g_struClientBuffer.u8MsgBuffer);
pstruMsg->TotalMsgCrc[0]=(crc&0xff00)>>8;
pstruMsg->TotalMsgCrc[1]=(crc&0xff);
ZC_TraceData(g_struClientBuffer.u8MsgBuffer, g_struClientBuffer.u32Len);
/*send to moudle*/
g_struProtocolController.pstruMoudleFun->pfunSendToMoudle(g_struClientBuffer.u8MsgBuffer, g_struClientBuffer.u32Len);
}while(0);
g_struClientBuffer.u8Status = MSG_BUFFER_IDLE;
g_struClientBuffer.u32Len = 0;
ZC_SetClientFree(ClientId);
}
return;
}
