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#ifndef PACKET_HEAD_FILE #define PACKET_HEAD_FILE #pragma pack(1) ////////////////////////////////////////////////////////////////////////////////// //端口定义 #define MAX_CONTENT 512 //并发容量 #define PORT_AUTO_SELECT INVALID_WORD //自动端口 #define PORT_LOGON 8300 //登陆端口 #define PORT_CENTER 8310 //协调端口 #define PORT_MANAGER 8320 //管理端口 ////////////////////////////////////////////////////////////////////////////////// //网络定义 //数据类型 #define DK_MAPPED 0x01 //映射类型 #define DK_ENCRYPT 0x02 //加密类型 #define DK_COMPRESS 0x04 //压缩类型 //长度定义 #define SOCKET_TCP_VER 0x66 //网络版本 #define SOCKET_TCP_BUFFER 16384 //网络缓冲 #define SOCKET_TCP_PACKET (SOCKET_TCP_BUFFER-sizeof(TCP_Head))//网络缓冲 //长度定义 #define SOCKET_UDP_BUFFER 16384 //网络缓冲 #define SOCKET_UDP_PACKET (SOCKET_UDP_BUFFER-sizeof(UDP_Head))//网络缓冲 ////////////////////////////////////////////////////////////////////////////////// //结构定义 //网络内核 struct TCP_Info { BYTE cbVersion; //版本标识 BYTE cbCheckCode; //效验字段 WORD wPacketSize; //数据大小 }; //网络命令 struct TCP_Command { WORD wMainCmdID; //主命令码 WORD wSubCmdID; //子命令码 }; //网络包头 struct TCP_Head { TCP_Info TCPInfo; //基础结构 TCP_Command CommandInfo; //命令信息 }; //网络缓冲 struct TCP_Buffer { TCP_Head Head; //数据包头 BYTE cbBuffer[SOCKET_TCP_PACKET]; //数据缓冲 }; ////////////////////////////////////////////////////////////////////////////////// //网络内核 struct UDP_Info { BYTE cbDataKind; //数据类型 BYTE cbCheckCode; //效验字段 WORD wPacketSize; //数据大小 WORD wPacketIndex; //数据序列 WORD wConnectIndex; //连接索引 }; //网络命令 struct UDP_Command { WORD wMainCmdID; //主命令码 WORD wSubCmdID; //子命令码 }; //网络包头 struct UDP_Head { UDP_Info UDPInfo; //基础结构 UDP_Command CommandInfo; //命令信息 }; //网络缓冲 struct UDP_Buffer { UDP_Head Head; //数据包头 BYTE cbBuffer[SOCKET_UDP_PACKET]; //数据缓冲 }; ////////////////////////////////////////////////////////////////////////////////// //内核命令 #define MDM_KN_COMMAND 0 //内核命令 #define SUB_KN_DETECT_SOCKET 1 //检测命令 ////////////////////////////////////////////////////////////////////////////////// //传输数据 #define IPC_VER 1 //版本标识 #define IPC_PACKET (10240-sizeof(IPC_Head)) //最大包长 #define IPC_BUFFER (sizeof(IPC_Head)+IPC_PACKET) //缓冲长度 //数据包头 struct IPC_Head { WORD wVersion; //版本标识 WORD wPacketSize; //数据大小 WORD wMainCmdID; //主命令码 WORD wSubCmdID; //子命令码 }; //IPC 包结构 struct IPC_Buffer { IPC_Head Head; //数据包头 BYTE cbBuffer[IPC_PACKET]; //数据缓冲 }; ////////////////////////////////////////////////////////////////////////////////// //数据定义 //加密密钥 const DWORD g_dwPacketKey=0xA55AA55A; //发送映射 const BYTE g_SendByteMap[256]= { 0x70,0x2F,0x40,0x5F,0x44,0x8E,0x6E,0x45,0x7E,0xAB,0x2C,0x1F,0xB4,0xAC,0x9D,0x91, 0x0D,0x36,0x9B,0x0B,0xD4,0xC4,0x39,0x74,0xBF,0x23,0x16,0x14,0x06,0xEB,0x04,0x3E, 0x12,0x5C,0x8B,0xBC,0x61,0x63,0xF6,0xA5,0xE1,0x65,0xD8,0xF5,0x5A,0x07,0xF0,0x13, 0xF2,0x20,0x6B,0x4A,0x24,0x59,0x89,0x64,0xD7,0x42,0x6A,0x5E,0x3D,0x0A,0x77,0xE0, 0x80,0x27,0xB8,0xC5,0x8C,0x0E,0xFA,0x8A,0xD5,0x29,0x56,0x57,0x6C,0x53,0x67,0x41, 0xE8,0x00,0x1A,0xCE,0x86,0x83,0xB0,0x22,0x28,0x4D,0x3F,0x26,0x46,0x4F,0x6F,0x2B, 0x72,0x3A,0xF1,0x8D,0x97,0x95,0x49,0x84,0xE5,0xE3,0x79,0x8F,0x51,0x10,0xA8,0x82, 0xC6,0xDD,0xFF,0xFC,0xE4,0xCF,0xB3,0x09,0x5D,0xEA,0x9C,0x34,0xF9,0x17,0x9F,0xDA, 0x87,0xF8,0x15,0x05,0x3C,0xD3,0xA4,0x85,0x2E,0xFB,0xEE,0x47,0x3B,0xEF,0x37,0x7F, 0x93,0xAF,0x69,0x0C,0x71,0x31,0xDE,0x21,0x75,0xA0,0xAA,0xBA,0x7C,0x38,0x02,0xB7, 0x81,0x01,0xFD,0xE7,0x1D,0xCC,0xCD,0xBD,0x1B,0x7A,0x2A,0xAD,0x66,0xBE,0x55,0x33, 0x03,0xDB,0x88,0xB2,0x1E,0x4E,0xB9,0xE6,0xC2,0xF7,0xCB,0x7D,0xC9,0x62,0xC3,0xA6, 0xDC,0xA7,0x50,0xB5,0x4B,0x94,0xC0,0x92,0x4C,0x11,0x5B,0x78,0xD9,0xB1,0xED,0x19, 0xE9,0xA1,0x1C,0xB6,0x32,0x99,0xA3,0x76,0x9E,0x7B,0x6D,0x9A,0x30,0xD6,0xA9,0x25, 0xC7,0xAE,0x96,0x35,0xD0,0xBB,0xD2,0xC8,0xA2,0x08,0xF3,0xD1,0x73,0xF4,0x48,0x2D, 0x90,0xCA,0xE2,0x58,0xC1,0x18,0x52,0xFE,0xDF,0x68,0x98,0x54,0xEC,0x60,0x43,0x0F }; //接收映射 const BYTE g_RecvByteMap[256]= { 0x51,0xA1,0x9E,0xB0,0x1E,0x83,0x1C,0x2D,0xE9,0x77,0x3D,0x13,0x93,0x10,0x45,0xFF, 0x6D,0xC9,0x20,0x2F,0x1B,0x82,0x1A,0x7D,0xF5,0xCF,0x52,0xA8,0xD2,0xA4,0xB4,0x0B, 0x31,0x97,0x57,0x19,0x34,0xDF,0x5B,0x41,0x58,0x49,0xAA,0x5F,0x0A,0xEF,0x88,0x01, 0xDC,0x95,0xD4,0xAF,0x7B,0xE3,0x11,0x8E,0x9D,0x16,0x61,0x8C,0x84,0x3C,0x1F,0x5A, 0x02,0x4F,0x39,0xFE,0x04,0x07,0x5C,0x8B,0xEE,0x66,0x33,0xC4,0xC8,0x59,0xB5,0x5D, 0xC2,0x6C,0xF6,0x4D,0xFB,0xAE,0x4A,0x4B,0xF3,0x35,0x2C,0xCA,0x21,0x78,0x3B,0x03, 0xFD,0x24,0xBD,0x25,0x37,0x29,0xAC,0x4E,0xF9,0x92,0x3A,0x32,0x4C,0xDA,0x06,0x5E, 0x00,0x94,0x60,0xEC,0x17,0x98,0xD7,0x3E,0xCB,0x6A,0xA9,0xD9,0x9C,0xBB,0x08,0x8F, 0x40,0xA0,0x6F,0x55,0x67,0x87,0x54,0x80,0xB2,0x36,0x47,0x22,0x44,0x63,0x05,0x6B, 0xF0,0x0F,0xC7,0x90,0xC5,0x65,0xE2,0x64,0xFA,0xD5,0xDB,0x12,0x7A,0x0E,0xD8,0x7E, 0x99,0xD1,0xE8,0xD6,0x86,0x27,0xBF,0xC1,0x6E,0xDE,0x9A,0x09,0x0D,0xAB,0xE1,0x91, 0x56,0xCD,0xB3,0x76,0x0C,0xC3,0xD3,0x9F,0x42,0xB6,0x9B,0xE5,0x23,0xA7,0xAD,0x18, 0xC6,0xF4,0xB8,0xBE,0x15,0x43,0x70,0xE0,0xE7,0xBC,0xF1,0xBA,0xA5,0xA6,0x53,0x75, 0xE4,0xEB,0xE6,0x85,0x14,0x48,0xDD,0x38,0x2A,0xCC,0x7F,0xB1,0xC0,0x71,0x96,0xF8, 0x3F,0x28,0xF2,0x69,0x74,0x68,0xB7,0xA3,0x50,0xD0,0x79,0x1D,0xFC,0xCE,0x8A,0x8D, 0x2E,0x62,0x30,0xEA,0xED,0x2B,0x26,0xB9,0x81,0x7C,0x46,0x89,0x73,0xA2,0xF7,0x72 }; ////////////////////////////////////////////////////////////////////////////////// #pragma pack() #endif
//随机映射 WORD CServerSocketItem::SeedRandMap(WORD wSeed) { DWORD dwHold = wSeed; return (WORD)((dwHold = dwHold * 241103L + 2533101L) >> 16); } //映射发送数据 BYTE CServerSocketItem::MapSendByte(BYTE const cbData) { BYTE cbMap = g_SendByteMap[(BYTE)(cbData+m_cbSendRound)]; m_cbSendRound += 3; return cbMap; } //映射接收数据 BYTE CServerSocketItem::MapRecvByte(BYTE const cbData) { BYTE cbMap = g_RecvByteMap[cbData] - m_cbRecvRound; m_cbRecvRound += 3; return cbMap; }
//加密数据 WORD CServerSocketItem::EncryptBuffer(BYTE pcbDataBuffer[], WORD wDataSize, WORD wBufferSize) { WORD i = 0; //效验参数 ASSERT(wDataSize >= sizeof(TCP_Head)); ASSERT(wDataSize <= (sizeof(TCP_Head) + SOCKET_TCP_BUFFER)); ASSERT(wBufferSize >= (wDataSize + 2*sizeof(DWORD))); //调整长度 WORD wEncryptSize = wDataSize - sizeof(TCP_Info), wSnapCount = 0; if ((wEncryptSize % sizeof(DWORD)) != 0) { wSnapCount = sizeof(DWORD) - wEncryptSize % sizeof(DWORD); memset(pcbDataBuffer + sizeof(TCP_Info) + wEncryptSize, 0, wSnapCount); } //效验码与字节映射 BYTE cbCheckCode = 0; for (i = sizeof(TCP_Info); i < wDataSize; i++) { cbCheckCode += pcbDataBuffer[i]; pcbDataBuffer[i] = MapSendByte(pcbDataBuffer[i]); } //填写信息头 TCP_Head * pHead = (TCP_Head *)pcbDataBuffer; pHead->TCPInfo.cbCheckCode = ~cbCheckCode + 1; pHead->TCPInfo.wPacketSize = wDataSize; pHead->TCPInfo.cbVersion = SOCKET_TCP_VER; //加密数据 DWORD dwXorKey = m_dwSendXorKey; WORD * pwSeed = (WORD *)(pcbDataBuffer + sizeof(TCP_Info)); DWORD * pdwXor = (DWORD *)(pcbDataBuffer + sizeof(TCP_Info)); WORD wEncrypCount = (wEncryptSize + wSnapCount) / sizeof(DWORD); for (i = 0; i < wEncrypCount; i++) { *pdwXor++ ^= dwXorKey; dwXorKey = SeedRandMap(*pwSeed++); dwXorKey |= ((DWORD)SeedRandMap(*pwSeed++)) << 16; dwXorKey ^= g_dwPacketKey; } //设置变量 m_dwSendPacketCount++; m_dwSendXorKey = dwXorKey; return wDataSize; } //解密数据 WORD CServerSocketItem::CrevasseBuffer(BYTE pcbDataBuffer[], WORD wDataSize) { WORD i = 0; //效验参数 ASSERT(wDataSize >= sizeof(TCP_Head)); ASSERT(((TCP_Head *)pcbDataBuffer)->TCPInfo.wPacketSize == wDataSize); //调整长度 WORD wSnapCount = 0; if ((wDataSize % sizeof(DWORD)) != 0) { wSnapCount = sizeof(DWORD) - wDataSize % sizeof(DWORD); memset(pcbDataBuffer + wDataSize, 0, wSnapCount); } //提取密钥 if (m_dwRecvPacketCount == 0) { ASSERT(wDataSize >= (sizeof(TCP_Head) + sizeof(DWORD))); if (wDataSize < (sizeof(TCP_Head) + sizeof(DWORD))) throw TEXT("数据包解密长度错误"); m_dwRecvXorKey = *(DWORD *)(pcbDataBuffer + sizeof(TCP_Head)); m_dwSendXorKey = m_dwRecvXorKey; MoveMemory(pcbDataBuffer + sizeof(TCP_Head), pcbDataBuffer + sizeof(TCP_Head) + sizeof(DWORD), wDataSize - sizeof(TCP_Head) - sizeof(DWORD)); wDataSize -= sizeof(DWORD); ((TCP_Head *)pcbDataBuffer)->TCPInfo.wPacketSize -= sizeof(DWORD); } //解密数据 DWORD dwXorKey = m_dwRecvXorKey; DWORD * pdwXor = (DWORD *)(pcbDataBuffer + sizeof(TCP_Info)); WORD * pwSeed = (WORD *)(pcbDataBuffer + sizeof(TCP_Info)); WORD wEncrypCount = (wDataSize + wSnapCount - sizeof(TCP_Info)) / 4; for (i = 0; i < wEncrypCount; i++) { if ((i == (wEncrypCount - 1)) && (wSnapCount > 0)) { BYTE * pcbKey = ((BYTE *) & m_dwRecvXorKey) + sizeof(DWORD) - wSnapCount; CopyMemory(pcbDataBuffer + wDataSize, pcbKey, wSnapCount); } dwXorKey = SeedRandMap(*pwSeed++); dwXorKey |= ((DWORD)SeedRandMap(*pwSeed++)) << 16; dwXorKey ^= g_dwPacketKey; *pdwXor++ ^= m_dwRecvXorKey; m_dwRecvXorKey = dwXorKey; } //效验码与字节映射 TCP_Head * pHead = (TCP_Head *)pcbDataBuffer; BYTE cbCheckCode = pHead->TCPInfo.cbCheckCode;; for (i = sizeof(TCP_Info); i < wDataSize; i++) { pcbDataBuffer[i] = MapRecvByte(pcbDataBuffer[i]); cbCheckCode += pcbDataBuffer[i]; } if (cbCheckCode != 0) throw TEXT("数据包效验码错误"); return wDataSize; }
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原文地址:http://blog.csdn.net/liujiayu2/article/details/46900791