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Remove unused, NPOTB CrazyDebugger.

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This commit is contained in:
David Anderson 2015-09-05 20:44:00 -07:00
parent 55647cc18e
commit 69984f472f
1 changed files with 0 additions and 199 deletions
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199
core/CrazyDebugger.cpp
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@ -1,199 +0,0 @@
/**
* vim: set ts=4 :
* =============================================================================
* SourceMod
* Copyright (C) 2004-2008 AlliedModders LLC. All rights reserved.
* =============================================================================
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 3.0, as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, AlliedModders LLC gives you permission to link the
* code of this program (as well as its derivative works) to "Half-Life 2," the
* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
* by the Valve Corporation. You must obey the GNU General Public License in
* all respects for all other code used. Additionally, AlliedModders LLC grants
* this exception to all derivative works. AlliedModders LLC defines further
* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
* or <http://www.sourcemod.net/license.php>.
*
* Version: $Id$
*/
#include "sm_globals.h"
#include "sourcemm_api.h"
#include "Tlhelp32.h"
#include "LibrarySys.h"
#include "minidump.h"
#include "sm_stringutil.h"
bool HookImportAddrTable(BYTE *base, const char *func, DWORD hookfunc, char *err, size_t maxlength)
{
IMAGE_DOS_HEADER *dos = (IMAGE_DOS_HEADER *)base;
if (dos->e_magic != IMAGE_DOS_SIGNATURE)
{
UTIL_Format(err, maxlength, "%s", "Could not detect valid DOS signature");
return false;
}
IMAGE_NT_HEADERS *nt = (IMAGE_NT_HEADERS *)(base + dos->e_lfanew);
if (nt->Signature != IMAGE_NT_SIGNATURE)
{
UTIL_Format(err, maxlength, "%s", "Could not detect valid NT signature");
return false;
}
IMAGE_IMPORT_DESCRIPTOR *desc =
(IMAGE_IMPORT_DESCRIPTOR *)
(base + nt->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT].VirtualAddress);
if (base == (BYTE *)desc)
{
UTIL_Format(err, maxlength, "%s", "Could not find IAT");
return false;
}
bool entryFound = false;
while (desc->Name)
{
if (desc->FirstThunk != 0)
{
IMAGE_THUNK_DATA *data = (IMAGE_THUNK_DATA *)(base + desc->OriginalFirstThunk);
DWORD *iat = (DWORD *)(base + desc->FirstThunk);
while (data->u1.Function)
{
if ((data->u1.Ordinal & IMAGE_ORDINAL_FLAG32) != IMAGE_ORDINAL_FLAG32)
{
IMAGE_IMPORT_BY_NAME *import = (IMAGE_IMPORT_BY_NAME *)(base + data->u1.AddressOfData);
if (strcmp((char *)import->Name, func) == 0)
{
DWORD oldprot, oldprot2;
VirtualProtect(iat, 4, PAGE_READWRITE, &oldprot);
*iat = hookfunc;
VirtualProtect(iat, 4, oldprot, &oldprot2);
entryFound = true;
}
}
data++;
iat++;
}
}
desc++;
}
if (!entryFound)
{
UTIL_Format(err, maxlength, "Could not find IAT entry for %s", func);
return false;
}
return true;
}
BOOL
WINAPI
MiniDumpWriteDump2(
IN HANDLE hProcess,
IN DWORD ProcessId,
IN HANDLE hFile,
IN MINIDUMP_TYPE DumpType,
IN CONST PMINIDUMP_EXCEPTION_INFORMATION ExceptionParam, OPTIONAL
IN CONST PMINIDUMP_USER_STREAM_INFORMATION UserStreamParam, OPTIONAL
IN CONST PMINIDUMP_CALLBACK_INFORMATION CallbackParam OPTIONAL
)
{
DumpType = (MINIDUMP_TYPE)((int)DumpType|MiniDumpWithFullMemory|MiniDumpWithHandleData);
return MiniDumpWriteDump(hProcess, ProcessId, hFile, DumpType, ExceptionParam, UserStreamParam, CallbackParam);
}
FARPROC WINAPI GetProcAddress2(HMODULE hModule, LPCSTR lpProcName)
{
if (strcmp(lpProcName, "MiniDumpWriteDump") == 0)
{
return (FARPROC)MiniDumpWriteDump2;
}
return GetProcAddress(hModule, lpProcName);
}
HMODULE WINAPI LoadLibraryEx2(LPCTSTR lpFileName, HANDLE hFile, DWORD dwFlags)
{
HMODULE lib = LoadLibraryEx(lpFileName, hFile, dwFlags);
/* Steam.dll seems to get loaded using an abs path, thus the use of stristr() */
if (stristr(lpFileName, "steam.dll"))
{
char err[64];
if (!HookImportAddrTable((BYTE *)lib, "GetProcAddress", (DWORD)GetProcAddress2, err, sizeof(err)))
{
Error("[SM] %s in steam.dll\n", err);
return NULL;
}
}
return lib;
}
class CrazyWindowsDebugger : public SMGlobalClass
{
public:
void OnSourceModAllInitialized()
{
HANDLE hModuleList = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, GetCurrentProcessId());
MODULEENTRY32 me32;
BYTE *engine = NULL;
BYTE *steam = NULL;
char err[64];
me32.dwSize = sizeof(MODULEENTRY32);
if (!Module32First(hModuleList, &me32))
{
Error("Could not initialize crazy debugger!");
}
do
{
if (strcasecmp(me32.szModule, "engine.dll") == 0)
{
engine = me32.modBaseAddr;
}
else if (strcasecmp(me32.szModule, "steam.dll") == 0)
{
steam = me32.modBaseAddr;
}
} while (Module32Next(hModuleList, &me32));
CloseHandle(hModuleList);
/* This really should not happen, but ... */
if (!engine)
{
Error("[SM] Could not find engine.dll\n");
}
/* Steam.dll isn't loaded yet */
if (!steam)
{
if (!HookImportAddrTable(engine, "LoadLibraryExA", (DWORD)LoadLibraryEx2, err, sizeof(err)))
{
Error("[SM] %s in engine.dll)\n", err);
}
}
else
{
if (!HookImportAddrTable(steam, "GetProcAddress", (DWORD)GetProcAddress2, err, sizeof(err)))
{
Error("[SM] %s in steam.dll)\n", err);
}
}
}
} s_CrazyDebugger;