mirror of
https://gitlab.com/hashborgir/plugy.git
synced 2024-12-02 13:36:02 +00:00
487 lines
16 KiB
C++
487 lines
16 KiB
C++
/*=================================================================
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File created by Yohann NICOLAS.
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Add support 1.13d by L'Autour.
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Patch D2gfx.dll to install PlugY.
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=================================================================*/
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#include <windows.h>
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#include <stdio.h>
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#include "../Commons/VersionInfo.h"
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const char* boxNameInstall = "Installation of PlugY, The Survival Kit Installation";
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const char* boxNameUnInstall = "Uninstall PlugY, The Survival Kit ";
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int CALL_LOAD[8] = {0x389B,0x389B,0x3870,0x8B23,0xB423,0x8F63,0xB423,0xAA03};
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BYTE callNewLoad[8][6]={{0xE8,0x60,0x85,0x00,0x00,0x90},// JMP 6FA7BE00-6FA738A0 ;install loadlibrary
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{0xE8,0x60,0x85,0x00,0x00,0x90},// JMP 6FA7BE00-6FA738A0 ;install loadlibrary
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{0xE8,0x8B,0x85,0x00,0x00,0x90},// JMP 6FA7BE00-6FA73875 ;install loadlibrary
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{0xE8,0xD8,0x42,0x00,0x00,0x90},// JMP 6FA8CE00-6FA88B28 ;install loadlibrary
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{0xE8,0xD8,0x19,0x00,0x00,0x90},// JMP 6FA8CE00-6FA8B428 ;install loadlibrary
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{0xE8,0x98,0x3E,0x00,0x00,0x90},// JMP 6FA8CE00-6FA88F68 ;install loadlibrary
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{0xE8,0xD8,0x19,0x00,0x00,0x90},// JMP 6FA8CE00-6FA8B428 ;install loadlibrary
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{0xE8,0xF8,0x23,0x00,0x00,0x90}};// JMP 6FA8CE00-6FA8B428 ;install loadlibrary
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BYTE callOldLoad[8][6]={{0xFF,0x15,0x3C,0xC0,0xA7,0x6F},
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{0xFF,0x15,0x3C,0xC0,0xA7,0x6F},
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{0xFF,0x15,0x40,0xC0,0xA7,0x6F},
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{0xFF,0x15,0x1C,0xD1,0xA8,0x6F},
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{0xFF,0x15,0x1C,0xD1,0xA8,0x6F},
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{0xFF,0x15,0x1C,0xD1,0xA8,0x6F},
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{0xFF,0x15,0x1C,0xD1,0xA8,0x6F},
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{0xFF,0x15,0x1C,0xD1,0xA8,0x6F}};
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int CALL_FREE[8] = {0x3A8C,0x3A8C,0x3A6D,0x8ACA,0xB3CA,0x8F0A,0xB3CA,0xA9AA};
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BYTE callNewFree[8][6]={{0xE8,0xAF,0x83,0x00,0x00,0x90}, // JMP 6FA7BE40-6FA73A91 ;install freelibrary
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{0xE8,0xAF,0x83,0x00,0x00,0x90}, // JMP 6FA7BE40-6FA73A91 ;install freelibrary
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{0xE8,0xD2,0x83,0x00,0x00,0x90}, // JMP 6FA7BE44-6FA73A72 ;install freelibrary
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{0xE8,0x75,0x43,0x00,0x00,0x90}, // JMP 6FA8CE44-6FA88ACF ;install freelibrary
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{0xE8,0x75,0x1A,0x00,0x00,0x90}, // JMP 6FA8CE44-6FA8B3CF ;install freelibrary
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{0xE8,0x35,0x3F,0x00,0x00,0x90}, // JMP 6FA8CE44-6FA88F0F ;install freelibrary
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{0xE8,0x75,0x1A,0x00,0x00,0x90}, // JMP 6FA8CE44-6FA8B3CF ;install freelibrary
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{0xE8,0x95,0x24,0x00,0x00,0x90}};// JMP 6FA8CE44-6FA8B3CF ;install freelibrary
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BYTE callOldFree[8][6]={{0xFF,0x15,0x44,0xC0,0xA7,0x6F}, // CALL DWORD PTR DS:[<&KERNEL32.FreeLibrary>]
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{0xFF,0x15,0x44,0xC0,0xA7,0x6F}, // CALL DWORD PTR DS:[<&KERNEL32.FreeLibrary>]
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{0xFF,0x15,0x48,0xC0,0xA7,0x6F}, // CALL DWORD PTR DS:[<&KERNEL32.FreeLibrary>]
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{0xFF,0x15,0x2C,0xD1,0xA8,0x6F}, // CALL DWORD PTR DS:[<&KERNEL32.FreeLibrary>]
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{0xFF,0x15,0x2C,0xD1,0xA8,0x6F}, // CALL DWORD PTR DS:[<&KERNEL32.FreeLibrary>]
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{0xFF,0x15,0x2C,0xD1,0xA8,0x6F}, // CALL DWORD PTR DS:[<&KERNEL32.FreeLibrary>]
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{0xFF,0x15,0x2C,0xD1,0xA8,0x6F}, // CALL DWORD PTR DS:[<&KERNEL32.FreeLibrary>]
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{0xFF,0x15,0x24,0xD1,0xA8,0x6F}};// CALL DWORD PTR DS:[<&KERNEL32.FreeLibrary>]
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int CALLER_LOADPLUGY = 0xBE00;//6FA7BE00-6FA70000
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BYTE caller_LoadPlugY[]={
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0xFF,0x74,0x24,0x04, //PUSH DWORD PTR SS:[ESP+4]
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0xFF,0x15,0x40,0xC0,0xA7,0x6F, //CALL DWORD PTR DS:[<&KERNEL32.LoadLibraryA>] ; kernel32.LoadLibraryA
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0x50, //PUSH EAX
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0x68,0x80,0xBE,0xA7,0x6F, //PUSH d2gfx.6FA7BE80 ; ASCII "PlugY.dll"
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0xFF,0x15,0x40,0xC0,0xA7,0x6F, //CALL DWORD PTR DS:[<&KERNEL32.LoadLibraryA>] ; kernel32.LoadLibraryA
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0xA3,0xFC,0xEF,0xA8,0x6F, //MOV DWORD PTR DS:[6FA8EFFC],EAX
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0x85,0xC0, //TEST EAX,EAX
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0x74,0x18, //JE SHORT d2gfx.6FA7BE37
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0x68,0x90,0xBE,0xA7,0x6F, //PUSH d2gfx.6FA7BE10 ;Init ID
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0x50, //PUSH EAX
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0xFF,0x15,0x3C,0xC0,0xA7,0x6F, //CALL DWORD PTR DS:[<&KERNEL32.GetProcAddress>] ; kernel32.GetProcAddress
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0x85,0xC0, //TEST EAX,EAX
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0x74,0x04, //JE SHORT d2gfx.6FA7BDC1
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0x6A,0x00, //PUSH 0
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0xFF,0xD0, //CALL EAX
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0x58, //POP EAX
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0xC2,0x04,0x00, //RETN 4
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0x59, //POP ECX
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0xB9,0x80,0xBE,0xA7,0x6F, //MOV ECX,d2gfx.6FA7BE80 ; ASCII "PlugY.dll"
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0x83,0x04,0x24,0x11, //ADD DWORD PTR SS:[ESP],11
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0xC2,0x04,0x00}; //RETN 4
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int CALLER_FREEPLUGY = 0xBE44;//6FA7BE44-6FA70000
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BYTE caller_FreePlugY[]={
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0xFF,0x74,0x24,0x04, //PUSH DWORD PTR SS:[ESP+4]
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0xFF,0x15,0x48,0xC0,0xA7,0x6F, //CALL DWORD PTR DS:[<&KERNEL32.FreeLibrary>] ; kernel32.FreeLibrary
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0x50, //PUSH EAX
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0xA1,0xFC,0xEF,0xA8,0x6F, //MOV EAX,DWORD PTR DS:[6FA8EFFC]
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0x85,0xC0, //TEST EAX,EAX
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0x74,0x20, //JE SHORT d2gfx.6FA7BE74
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0x50, //PUSH EAX
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0x68,0xA0,0xBE,0xA7,0x6F, //PUSH d2gfx.6FA7BE20 ;release
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0x50, //PUSH EAX
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0x33,0xC0, //XOR EAX,EAX
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0xA3,0xFC,0xEF,0xA8,0x6F, //MOV DWORD PTR DS:[6FA8EFFC],EAX
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0xFF,0x15,0x3C,0xC0,0xA7,0x6F, //CALL DWORD PTR DS:[<&KERNEL32.GetProcAdd>; kernel32.GetProcAddress
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0x85,0xC0, //TEST EAX,EAX
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0x74,0x02, //JE SHORT d2gfx.6FA7BDEF
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0xFF,0xD0, //CALL EAX
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0xFF,0x15,0x48,0xC0,0xA7,0x6F, //CALL DWORD PTR DS:[<&KERNEL32.FreeLibrar>; kernel32.FreeLibrary
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0x58, //POP EAX
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0xC2,0x04,0x00}; //RETN 4
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int S_DLLNAME = 0xBE80;//6FA7BE30-6FA70000
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BYTE sDllName[]={'P','l','u','g','Y','.','d','l','l',0};// Dll filename to load.
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int S_INIT = 0xBE90;//6FA7BE10-6FA70000
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BYTE sInit[]={'_','I','n','i','t','@','4',0};
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int S_RELEASE = 0xBEA0;//6FA7BE20-6FA70000
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BYTE sRelease[]={'_','R','e','l','e','a','s','e','@','0',0};
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enum eFileVersion
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{
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V109b=0,
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V109d,
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V110,
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V111,
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V111b,
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V112,
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V113c,
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V113d
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};
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/*
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int getVersion(FILE *dll)
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{
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int ver;
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//GET_VERSION(D2gfx, 80, 110, 0x00949FA8, 0x018866A8, 0x401526B2, 0x575C8A5E, 0x42E6C22A, 0x43028B19, 0xACBE1B9E, 0x00000000);
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int addr;
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fseek(dll,0x80,SEEK_SET);
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fread(&addr,sizeof(addr),1,dll);
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if (addr == 0x00949FA8)
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ver = V109b;
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else if (addr == 0x018866A8)
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ver = V109d;
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else if (addr == 0x401526B2)
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ver = V110;
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else if (addr == 0x575C8A5E)
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{
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fseek(dll,0x110,SEEK_SET);
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fread(&addr,sizeof(addr),1,dll);
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if (addr == 0x42E6C22A)
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ver = V111;
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else if (addr == 0x43028B19)
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ver = V111b;
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else
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ver = UNKNOW;
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}
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else if (addr == 0xACBE1B9E)
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ver = V112;
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else if (addr == 0xACBE1BB6)
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ver = V113c;
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else
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ver = UNKNOW;
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return ver;
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}
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*/
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void updateData(int version)
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{
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switch(version)
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{
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case V109b:
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case V109d:
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caller_LoadPlugY[6] -= 4;
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caller_LoadPlugY[18] -= 4;
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caller_LoadPlugY[39] -= 4;
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caller_FreePlugY[6] -= 4;
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caller_FreePlugY[36] -= 4;
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caller_FreePlugY[48] -= 4;
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break;
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case V110:
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break;
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case V111:
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case V111b:
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case V112:
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case V113c:
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case V113d:
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CALLER_LOADPLUGY += 0x1000;
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CALLER_FREEPLUGY += 0x1000;
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S_INIT += 0x1000;
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S_RELEASE += 0x1000;
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S_DLLNAME += 0x1000;
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*(DWORD*)(&caller_LoadPlugY[6]) = 0x6FA8D11C;
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*(DWORD*)(&caller_LoadPlugY[18]) = 0x6FA8D11C;
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*(DWORD*)(&caller_LoadPlugY[39]) = 0x6FA8D120;
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if (version == V113d)
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{
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*(DWORD*)(&caller_FreePlugY[6]) = 0x6FA8D124;
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*(DWORD*)(&caller_FreePlugY[48]) = 0x6FA8D124;
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} else
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{
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*(DWORD*)(&caller_FreePlugY[6]) = 0x6FA8D12C;
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*(DWORD*)(&caller_FreePlugY[48]) = 0x6FA8D12C;
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}
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*(DWORD*)(&caller_FreePlugY[36]) = 0x6FA8D120;
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caller_LoadPlugY[13] += 0x10;
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caller_LoadPlugY[14]++;
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caller_LoadPlugY[25]++;
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caller_LoadPlugY[33] += 0x10;
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caller_LoadPlugY[34]++;
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caller_LoadPlugY[58] += 0x10;
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caller_LoadPlugY[59]++;
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caller_FreePlugY[23] += 0x10;
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caller_FreePlugY[24]++;
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caller_FreePlugY[14]++;
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caller_FreePlugY[32]++;
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break;
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}
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}
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////////////////////////////// EXPORTED FUNCTIONS //////////////////////////////
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int GetD2Ver()
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{
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char currentpath[MAX_PATH];
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if (! GetD2Path(currentpath, MAX_PATH))
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{
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MessageBox(0,"Can't find path to Game.exe.",
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boxNameInstall, MB_OK|MB_ICONEXCLAMATION);
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exit(0);;
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}
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return GetD2Version(currentpath);
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}
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void Patch()
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{
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if (MessageBox(0,"This programm will modify the D2gfx.dll file of the current directory.\n"
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"Before continue, don't forgot to backup D2gfx.dll if you want\n"
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"Do you want patch D2gfx.dll for the launch of PlugY ?",
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boxNameInstall, MB_YESNO|MB_ICONQUESTION) == IDNO)
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{
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MessageBox(0,"D2gfx.dll isn't patched.\n",
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boxNameInstall, MB_OK|MB_ICONASTERISK);
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exit(0);
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}
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FILE *dll=fopen("d2gfx.dll","rb+");
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if(!dll)
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{
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MessageBox(0,"Can't open D2gfx.dll in read/write mode\n"
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"If Diablo II is running you can\'t install PlugY, The Survival Kit.\n"
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"Quit Diablo II and try again.",
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boxNameInstall, MB_OK|MB_ICONEXCLAMATION);
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exit(0);
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}
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//int version = getVersion(dll);
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int version = GetD2Ver();
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//if (version == UNKNOW)
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if (version == -1)
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{
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MessageBox(0,"Bad version of D2gfx.dll.\n"
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"You can try to uninstall any previous version of PlugY, The Survival Kit then retry.\n"
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"Or re-install a clean version (between 1.09 and 1.12) of LOD.",
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boxNameInstall, MB_OK|MB_ICONEXCLAMATION);
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exit(0);
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}
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updateData(version);
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bool error = false;
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int ident = 0;
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BYTE buffer[100];
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BYTE zeros[100];
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memset(zeros,0,sizeof(zeros));
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fseek(dll,CALL_LOAD[version],SEEK_SET);
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fread(buffer,6,1,dll);
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if(memcmp(buffer, callOldLoad[version], 6) !=0 ) error = true;
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if(memcmp(buffer, callNewLoad[version], 6) ==0 ) ident++;
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fseek(dll,CALL_FREE[version],SEEK_SET);
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fread(buffer,6,1,dll);
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if(memcmp(buffer, callOldFree[version], 6) !=0 ) error = true;
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if(memcmp(buffer, callNewFree[version], 6) ==0 ) ident++;
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fseek(dll,CALLER_LOADPLUGY,SEEK_SET);
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fread(buffer,sizeof(caller_LoadPlugY),1,dll);
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if(memcmp(buffer, zeros, sizeof(caller_LoadPlugY)) !=0 ) error = true;
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if(memcmp(buffer, caller_LoadPlugY, sizeof(caller_LoadPlugY)) ==0 ) ident++;
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fseek(dll,CALLER_FREEPLUGY,SEEK_SET);
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fread(buffer,sizeof(caller_FreePlugY),1,dll);
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if(memcmp(buffer, zeros, sizeof(caller_FreePlugY)) !=0 ) error = true;
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if(memcmp(buffer, caller_FreePlugY, sizeof(caller_FreePlugY)) ==0 ) ident++;
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fseek(dll,S_INIT,SEEK_SET);
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fread(buffer,sizeof(sInit),1,dll);
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if(memcmp(buffer, zeros, sizeof(sInit)) !=0 ) error = true;
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if(memcmp(buffer, sInit, sizeof(sInit)) ==0 ) ident++;
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fseek(dll,S_RELEASE,SEEK_SET);
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fread(buffer,sizeof(sRelease),1,dll);
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if(memcmp(buffer, zeros, sizeof(sRelease)) !=0 ) error = true;
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if(memcmp(buffer, sRelease, sizeof(sRelease)) ==0 ) ident++;
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fseek(dll,S_DLLNAME,SEEK_SET);
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fread(buffer,sizeof(sDllName),1,dll);
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if(memcmp(buffer, zeros, sizeof(sDllName)) !=0 ) error = true;
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if(memcmp(buffer, sDllName, sizeof(sDllName)) ==0 ) ident++;
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if (error)
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{
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if (ident==7)
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{
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MessageBox(0, "PlugY, The Survival Kit already installed.",
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boxNameInstall, MB_OK|MB_ICONASTERISK);
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exit(0);
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} else
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{
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MessageBox(0,"Bad version of D2gfx.dll.\n"
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"You can try to uninstall any previous version of PlugY, The Survival Kit then retry.\n"
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"Or re-install a clean version (between 1.09 and 1.11b) of LOD.",
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boxNameInstall, MB_OK|MB_ICONEXCLAMATION);
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exit(0);
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}
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}
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fseek(dll,CALL_LOAD[version],SEEK_SET);
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fwrite(callNewLoad[version], 6, 1, dll);
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fseek(dll,CALL_FREE[version],SEEK_SET);
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fwrite(callNewFree[version], 6, 1, dll);
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fseek(dll,CALLER_LOADPLUGY,SEEK_SET);
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fwrite(caller_LoadPlugY, sizeof(caller_LoadPlugY), 1, dll);
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fseek(dll,CALLER_FREEPLUGY,SEEK_SET);
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fwrite(caller_FreePlugY, sizeof(caller_FreePlugY), 1, dll);
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fseek(dll,S_INIT,SEEK_SET);
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fwrite(sInit, sizeof(sInit), 1, dll);
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fseek(dll,S_RELEASE,SEEK_SET);
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fwrite(sRelease, sizeof(sRelease), 1, dll);
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fseek(dll,S_DLLNAME,SEEK_SET);
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fwrite(sDllName, sizeof(sDllName), 1, dll);
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fclose(dll);
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MessageBox(0,"D2gfx.dll patched successfully.\n"
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"PlugY, The Survival Kit installed successfully.",
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boxNameInstall, MB_OK|MB_ICONASTERISK);
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exit(0);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void Unpatch()
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{
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if (MessageBox(0,"This programm will modify the D2gfx.dll file of the current directory.\n"
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"Before continue, don't forgot to backup D2gfx.dll if you want\n"
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"Do you want patch D2gfx.dll for remove the launch of PlugY ?",
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boxNameUnInstall, MB_YESNO|MB_ICONQUESTION) == IDNO)
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{
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MessageBox(0,"D2gfx.dll isn't patched.\n",
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boxNameUnInstall, MB_OK|MB_ICONASTERISK);
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exit(0);
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}
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FILE *dll=fopen("d2gfx.dll","rb+");
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if(!dll)
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{
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MessageBox(0,"Can't open D2gfx.dll in read/write mode.\n"
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"If Diablo II is running you can\'t install PlugY, The Survival Kit.\n"
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"Quit Diablo and try again.",
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boxNameUnInstall, MB_OK|MB_ICONEXCLAMATION);
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exit(0);
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}
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//int version = getVersion(dll);
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int version = GetD2Ver();
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//if (version == UNKNOW)
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if (version == -1)
|
|
{
|
|
MessageBox(0,"Bad version of D2gfx.dll.\n"
|
|
"You can try to uninstall any previous version of PlugY, The Survival Kit then retry.\n"
|
|
"Or re-install a clean version (between 1.09 and 1.12) of LOD.",
|
|
boxNameUnInstall, MB_OK|MB_ICONEXCLAMATION);
|
|
exit(0);
|
|
}
|
|
|
|
updateData(version);
|
|
|
|
bool error = false;
|
|
int ident = 0;
|
|
BYTE buffer[100];
|
|
BYTE zeros[100];
|
|
memset(zeros,0,sizeof(zeros));
|
|
|
|
fseek(dll,CALL_LOAD[version],SEEK_SET);
|
|
fread(buffer,6,1,dll);
|
|
if(memcmp(buffer, callNewLoad[version], 6) !=0 ) error = true;
|
|
if(memcmp(buffer, callOldLoad[version], 6) ==0 ) ident++;
|
|
|
|
fseek(dll,CALL_FREE[version],SEEK_SET);
|
|
fread(buffer,6,1,dll);
|
|
if(memcmp(buffer, callNewFree[version], 6) !=0 ) error = true;
|
|
if(memcmp(buffer, callOldFree[version], 6) ==0 ) ident++;
|
|
|
|
fseek(dll,CALLER_LOADPLUGY,SEEK_SET);
|
|
fread(buffer,sizeof(caller_LoadPlugY),1,dll);
|
|
if(memcmp(buffer, caller_LoadPlugY, sizeof(caller_LoadPlugY)) !=0 ) error = true;
|
|
if(memcmp(buffer, zeros, sizeof(caller_LoadPlugY)) ==0 ) ident++;
|
|
|
|
fseek(dll,CALLER_FREEPLUGY,SEEK_SET);
|
|
fread(buffer,sizeof(caller_FreePlugY),1,dll);
|
|
if(memcmp(buffer, caller_FreePlugY, sizeof(caller_FreePlugY)) !=0 ) error = true;
|
|
if(memcmp(buffer, zeros, sizeof(caller_FreePlugY)) ==0 ) ident++;
|
|
|
|
fseek(dll,S_INIT,SEEK_SET);
|
|
fread(buffer,sizeof(sInit),1,dll);
|
|
if(memcmp(buffer, sInit, sizeof(sInit)) !=0 ) error = true;
|
|
if(memcmp(buffer, zeros, sizeof(sInit)) ==0 ) ident++;
|
|
|
|
fseek(dll,S_RELEASE,SEEK_SET);
|
|
fread(buffer,sizeof(sRelease),1,dll);
|
|
if(memcmp(buffer, sRelease, sizeof(sRelease)) !=0 ) error = true;
|
|
if(memcmp(buffer, zeros, sizeof(sRelease)) ==0 ) ident++;
|
|
|
|
fseek(dll,S_DLLNAME,SEEK_SET);
|
|
fread(buffer,sizeof(sDllName),1,dll);
|
|
if(memcmp(buffer, sDllName, sizeof(sDllName)) !=0 ) error = true;
|
|
if(memcmp(buffer, zeros, sizeof(sDllName)) ==0 ) ident++;
|
|
|
|
if (error)
|
|
{
|
|
if (ident==7)
|
|
{
|
|
MessageBox(0,"PlugY, The Survival Kit already uninstalled.",
|
|
boxNameUnInstall, MB_OK|MB_ICONASTERISK);
|
|
exit(0);
|
|
} else {
|
|
MessageBox(0,"Bad version of D2gfx.dll.\n"
|
|
"Unable to uninstall PlugY, The Survival Kit.",
|
|
boxNameUnInstall, MB_OK|MB_ICONEXCLAMATION);
|
|
exit(0);
|
|
}
|
|
}
|
|
|
|
fseek(dll,CALL_LOAD[version],SEEK_SET);
|
|
fwrite(callOldLoad[version], 6, 1, dll);
|
|
|
|
fseek(dll,CALL_FREE[version],SEEK_SET);
|
|
fwrite(callOldFree[version], 6, 1, dll);
|
|
|
|
fseek(dll,CALLER_LOADPLUGY,SEEK_SET);
|
|
fwrite(zeros, sizeof(caller_LoadPlugY), 1, dll);
|
|
|
|
fseek(dll,CALLER_FREEPLUGY,SEEK_SET);
|
|
fwrite(zeros, sizeof(caller_FreePlugY), 1, dll);
|
|
|
|
fseek(dll,S_INIT,SEEK_SET);
|
|
fwrite(zeros, sizeof(sInit), 1, dll);
|
|
|
|
fseek(dll,S_RELEASE,SEEK_SET);
|
|
fwrite(zeros, sizeof(sRelease), 1, dll);
|
|
|
|
fseek(dll,S_DLLNAME,SEEK_SET);
|
|
fwrite(zeros, sizeof(sDllName), 1, dll);
|
|
|
|
fclose(dll);
|
|
|
|
MessageBox(0,"D2gfx.dll patched successfully.\n"
|
|
"PlugY, The Survival Kit uninstalled successfully.",
|
|
boxNameUnInstall, MB_OK|MB_ICONASTERISK);
|
|
exit(0);
|
|
}
|
|
|
|
int main(int argc, char * argv[])
|
|
{
|
|
// if ((argc>1) && !strcmp(argv[1],"-u"))
|
|
#ifdef RESTORE
|
|
Unpatch();
|
|
#else
|
|
if ((argc>1) && !strcmp(argv[1],"-u"))
|
|
Unpatch();
|
|
else
|
|
Patch();
|
|
#endif
|
|
}
|
|
|
|
|
|
/*================================= END OF FILE =================================*/ |