149 lines
5.1 KiB
C++
149 lines
5.1 KiB
C++
#ifndef SVRDYNCODE_H
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#define SVRDYNCODE_H
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#ifdef WIN32
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#ifndef GPK_API
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#define GPK_API __stdcall
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#endif
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#else
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#define GPK_API
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#endif
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enum GPK_CHECK_INFO
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{
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CHECK_EXCEPT = -1, //CSAUTH异常
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CHECK_SUCCEED = 0, //检查成功
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CHECK_CSAUTH_ERROR, //客户端计算结果不正确，非正常客户端
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CHECK_FIND_SPEEDHACK, //发现加速
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CHECK_FIND_MOUSE, //发现模拟鼠标键盘
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CHECK_FIND_INJECT, //发现注入
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CHECK_FIND_MODULE, //发现外挂模块
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CHECK_FIND_MEMORY, //发现内存修改
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CHECK_FIND_WINDOW, //发现外挂窗口
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CHECK_NO_ADMIN, //没有管理员权限
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CHECK_WINDOWS64BIT //当前操作系统是64位
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};
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/* ====================================================================
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* ISDSvrDynCode: server side dynamic code component. ISDSvrDynCode provides
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* dynamic encrypt and decrypt methods.
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*
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* Dynamic Code Binary File: compiled machine code of Encrypt and Decrypt
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* function are saved in binary files. File name format of these binary
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* files are *.server.bin and *.client.bin, * stand for number, for example
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* 1.server.bin, 1.client.bin. These numbers are called CodeIndex. Each
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* server binary files has a corresponding client binary files with same
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* CodeIndex. *.server.bin contains binary code for server, *.client.bin
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* contains binary code for client. Both server and client binary files
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* are used by server. Generally, there are multiple pairs of server and
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* client binary files in one server. Each pair contains different encrypt
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* -decrypt binary code.
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*
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* Usage:
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* 1. Create ISDSvrDynCode component, call SDCreateSvrDynCode
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* 2. Load Dynamic Code Binary Files, call ISDSvrDynCode::LoadBinary
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* 3. Get random CodeIndex, call ISDSvrDynCode::GetRandIdx
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* 4. Get Client binary code, call ISDSvrDynCode::GetCltDynCode
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* 5. Transfer the client code to client
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* 6. To encrypt: call ISDSvrDynCode::Encode
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* 7. To decrypt: call ISDSvrDynCode::Decode
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* 8. when finish, call ISDSvrDynCode::Release to release component
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*/
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typedef void (GPK_API * fnGPK_SvrCallBack)(void * Object,unsigned char *lpData,unsigned long nLen);
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namespace SGPK{
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class IGPKCSAuth
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{
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public:
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//Function:生成CSAuth数据
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//Parameter:ppDataRet:address of pointer ,recive the auth data
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// Object:用于回调的对象指针，可能是一个socket，也可能是一个用户类等。甚至也可能为NULL,具体对象类型由游戏架构决定
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// SendToClt: 回调函数
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//return: 大于0为数据长度，-1为异常，0表示上次的Auth检查客户端没有回应。有外挂屏蔽了Auth封包。
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virtual int GetAuthData(const unsigned char **ppDataRet,void *Object,fnGPK_SvrCallBack SendToClt=NULL) =0;
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//Function:检查客户端返回的Auth数据。
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//Parameter:ppDataRet:address of pointer ,recive the auth data
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// lpData:输入的数据指针
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// nLen:数据长度
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//return: 返回值内容见GPK_CHECK_INFO;
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virtual int CheckAuthReply(const unsigned char **ppDataRet,unsigned char * lpData, unsigned long nLen)=0;
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//Function: Release the object of IGPKCSAuth
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virtual void Release()=0;
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};
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class IGPKSvrDynCode
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{
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public:
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virtual GPK_API ~IGPKSvrDynCode() {}
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//Function: import dynamic code
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//Parameter: pszSvrBinDir, path for server dynamic code files
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// pszsCltBinDir, path for client dynbamic code files
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//Return: the number of successfully imported pairs of files, -1 if error..
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virtual int GPK_API LoadBinary(const char * pszSvrBinDir, const char * pszsCltBinDir) = 0;
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//Function: get a random index for dynamic code
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//Return: >= 0 if successful，-1 if error
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virtual int GPK_API GetRandIdx() = 0;
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//Function: Get client dynamic code
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//Return: return a null string if nCodeIdx is invalid
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virtual int GPK_API GetCltDynCode(int nCodeIdx, const unsigned char **ppCodeRet) = 0;
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//Function: encrypt the data, it will return false if nCodeIdx is invalid
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//Parameter: lpData, the original data, it is used as a [in, out] parameter
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// nLen, the data length, it will not change after encryption
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//Return: true if successful
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virtual bool GPK_API Encode(unsigned char * lpData, unsigned long nLen, int nCodeIdx) = 0;
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//Function: decrypt the data, it will return false if nCodeIdx is invalid
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//Parameter: lpData, the original data to be decrypted, it is used as a [in, out] parameter
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// nLen, the data length, it will not change after decryption
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//Return: true if successful
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virtual bool GPK_API Decode(unsigned char * lpData, unsigned long nLen, int nCodeIdx) = 0;
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//Function: Release the compoment
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virtual void GPK_API Release() = 0;
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//GPK2.X
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//Function:载入Auth数据文件
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//Parameter:pszCmdFileName：文件名
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//return: true if successful
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virtual bool GPK_API LoadAuthFile(const char * pszCmdFileName) = 0;
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////Function:为一个连接会话生成一个IGPKCSAuth对象。
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virtual IGPKCSAuth* GPK_API AllocAuthObject() = 0;
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};
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//Function: Create ISDSvrDynCode component
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#ifdef WIN32
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IGPKSvrDynCode * GPK_API GPKCreateSvrDynCode();
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//Parameter: Object,A Object of user,it will be use as a parnmeter in GPKCALLBack
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#endif
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};
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#ifndef WIN32
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extern "C" SGPK::IGPKSvrDynCode * GPK_API GPKCreateSvrDynCode();
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typedef SGPK::IGPKSvrDynCode* (GPK_API *PFN_GPKCreateSvrDynCode)();
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#endif
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#endif
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