465 lines
13 KiB
C++
465 lines
13 KiB
C++
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//////////////////////////////////////////////////////////////////////////////
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//
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// Detours Test Program (impmunge.cpp of impmunge.exe)
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//
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// Microsoft Research Detours Package
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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#include <stdio.h>
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#include <stdlib.h>
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#include <windows.h>
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#pragma warning(push)
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#if _MSC_VER > 1400
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#pragma warning(disable:6102 6103) // /analyze warnings
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#endif
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#include <strsafe.h>
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#include <detours.h>
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#pragma warning(disable:4091) // empty typedef
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#include <imagehlp.h>
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#pragma warning(pop)
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////////////////////////////////////////////////////////////// Error Messages.
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//
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VOID AssertMessage(PCSTR szMsg, PCSTR szFile, DWORD nLine)
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{
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printf("ASSERT(%s) failed in %s, line %ld.", szMsg, szFile, nLine);
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}
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#define ASSERT(x) \
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do { if (!(x)) { AssertMessage(#x, __FILE__, __LINE__); DebugBreak(); }} while (0)
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;
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//////////////////////////////////////////////////////////////////////////////
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//
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static BOOLEAN s_fRestore = FALSE;
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static BOOLEAN s_fList = TRUE;
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static BOOLEAN s_fMunge = FALSE;
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static BOOLEAN s_fToSymbols = FALSE;
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//////////////////////////////////////////////////////////////////////////////
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//
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static BOOL CALLBACK ListByway(_In_opt_ PVOID pContext,
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_In_opt_ LPCSTR pszFile,
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_Outptr_result_maybenull_ LPCSTR *ppszOutFile)
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{
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(void)pContext;
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(void)ppszOutFile;
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printf(" byway -------------------------------- %s\n", pszFile ? pszFile : "");
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return TRUE;
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}
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static BOOL CALLBACK ListFile(_In_opt_ PVOID pContext,
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_In_ LPCSTR pszOrigFile,
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_In_ LPCSTR pszFile,
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_Outptr_result_maybenull_ LPCSTR *ppszOutFile)
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{
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(void)pContext;
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(void)ppszOutFile;
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printf(" file %-32.32s %-32.32s\n",
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pszOrigFile ? pszOrigFile : "",
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pszFile ? pszFile : "");
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return TRUE;
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}
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static BOOL CALLBACK ListSymbol(_In_opt_ PVOID pContext,
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_In_ ULONG nOrigOrdinal,
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_In_ ULONG nOrdinal,
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_Out_ ULONG *pnOutOrdinal,
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_In_opt_ LPCSTR pszOrigSymbol,
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_In_opt_ LPCSTR pszSymbol,
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_Outptr_result_maybenull_ LPCSTR *ppszOutSymbol)
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{
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(void)pContext;
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(void)pnOutOrdinal;
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(void)ppszOutSymbol;
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char szOrig[80];
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char szLast[80];
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if (pszOrigSymbol == NULL) {
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StringCchPrintfA(szOrig, sizeof(szOrig), "#%d", nOrigOrdinal);
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pszOrigSymbol = szOrig;
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}
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if (pszSymbol == NULL) {
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StringCchPrintfA(szLast, sizeof(szLast), "#%d", nOrdinal);
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pszSymbol = szLast;
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}
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printf(" symbol %-32.32s %-32.32s\n", pszOrigSymbol, pszSymbol);
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return TRUE;
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}
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static BOOL CALLBACK ListCommit(PVOID pContext)
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{
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(void)pContext;
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printf(" commit\n");
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return TRUE;
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}
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//////////////////////////////////////////////////////////////////////////////
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//
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struct MUNGE_STATE
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{
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BOOL fLastWasByway;
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LONG nBywayCount;
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CHAR szBuffer[512];
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};
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static BOOL CALLBACK MungeByway(_In_opt_ PVOID pContext,
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_In_opt_ LPCSTR pszFile,
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_Outptr_result_maybenull_ LPCSTR *ppszOutFile)
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{
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MUNGE_STATE *pState = (MUNGE_STATE *)pContext;
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printf("|");
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if (pState->fLastWasByway) {
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return TRUE;
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}
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pState->fLastWasByway = TRUE;
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if (pszFile == NULL) {
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StringCchPrintfA(pState->szBuffer, sizeof(pState->szBuffer), "mb_munge_%d.dll", pState->nBywayCount++);
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*ppszOutFile = pState->szBuffer;
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}
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return TRUE;
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}
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static BOOL CALLBACK MungeFile(_In_opt_ PVOID pContext,
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_In_ LPCSTR pszOrigFile,
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_In_ LPCSTR pszFile,
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_Outptr_result_maybenull_ LPCSTR *ppszOutFile)
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{
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(void)pszOrigFile;
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MUNGE_STATE *pState = (MUNGE_STATE *)pContext;
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pState->fLastWasByway = FALSE;
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printf("*");
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StringCchPrintfA(pState->szBuffer, sizeof(pState->szBuffer), "mf_%s", pszFile);
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*ppszOutFile = pState->szBuffer;
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return TRUE;
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}
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static BOOL CALLBACK MungeSymbol(_In_opt_ PVOID pContext,
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_In_ ULONG nOrigOrdinal,
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_In_ ULONG nOrdinal,
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_Out_ ULONG *pnOutOrdinal,
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_In_opt_ LPCSTR pszOrigSymbol,
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_In_opt_ LPCSTR pszSymbol,
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_Outptr_result_maybenull_ LPCSTR *ppszOutSymbol)
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{
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(void)nOrigOrdinal;
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(void)pszOrigSymbol;
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MUNGE_STATE *pState = (MUNGE_STATE *)pContext;
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pState->fLastWasByway = FALSE;
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printf(".");
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if (nOrdinal != 0) {
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if (s_fToSymbols) {
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StringCchPrintfA(pState->szBuffer, sizeof(pState->szBuffer), "mo_%d", (int)nOrdinal);
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*pnOutOrdinal = 0;
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*ppszOutSymbol = pState->szBuffer;
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}
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else {
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*pnOutOrdinal = 10000 + nOrdinal;
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*ppszOutSymbol = NULL;
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}
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}
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else {
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StringCchPrintfA(pState->szBuffer, sizeof(pState->szBuffer), "ms_%s", pszSymbol);
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*pnOutOrdinal = 0;
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*ppszOutSymbol = pState->szBuffer;
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}
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return TRUE;
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}
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static BOOL CALLBACK MungeCommit(PVOID pContext)
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{
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MUNGE_STATE *pState = (MUNGE_STATE *)pContext;
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pState->fLastWasByway = FALSE;
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printf("\n");
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(void)pContext;
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return TRUE;
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}
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//////////////////////////////////////////////////////////////////////////////
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//
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static BOOL CALLBACK RestoreByway(_In_opt_ PVOID pContext,
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_In_opt_ LPCSTR pszFile,
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_Outptr_result_maybenull_ LPCSTR *ppszOutFile)
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{
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(void)pContext;
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(void)pszFile;
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*ppszOutFile = NULL;
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return TRUE;
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}
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static BOOL CALLBACK RestoreFile(_In_opt_ PVOID pContext,
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_In_ LPCSTR pszOrigFile,
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_In_ LPCSTR pszFile,
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_Outptr_result_maybenull_ LPCSTR *ppszOutFile)
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{
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(void)pContext;
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(void)pszFile;
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*ppszOutFile = pszOrigFile;
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return TRUE;
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}
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static BOOL CALLBACK RestoreSymbol(_In_opt_ PVOID pContext,
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_In_ ULONG nOrigOrdinal,
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_In_ ULONG nOrdinal,
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_Out_ ULONG *pnOutOrdinal,
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_In_opt_ LPCSTR pszOrigSymbol,
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_In_opt_ LPCSTR pszSymbol,
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_Outptr_result_maybenull_ LPCSTR *ppszOutSymbol)
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{
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(void)pContext;
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(void)nOrdinal;
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(void)pszSymbol;
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*pnOutOrdinal = nOrigOrdinal;
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*ppszOutSymbol = pszOrigSymbol;
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return TRUE;
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}
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static BOOL CALLBACK RestoreCommit(PVOID pContext)
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{
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(void)pContext;
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return TRUE;
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}
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//////////////////////////////////////////////////////////////////////////////
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//
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BOOL EditFile(PCHAR pszInput, PCHAR pszOutput)
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{
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BOOL fGood = TRUE;
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HANDLE hOld = INVALID_HANDLE_VALUE;
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HANDLE hNew = INVALID_HANDLE_VALUE;
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PDETOUR_BINARY pBinary = NULL;
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if (pszOutput != NULL) {
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printf("%s -> %s:\n", pszInput, pszOutput);
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}
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else {
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printf("%s:\n", pszInput);
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}
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hOld = CreateFileA(pszInput,
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GENERIC_READ,
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FILE_SHARE_READ,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL);
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if (hOld == INVALID_HANDLE_VALUE) {
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printf("Couldn't open input file: %s, error: %ld\n",
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pszInput, GetLastError());
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fGood = FALSE;
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goto end;
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}
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if ((pBinary = DetourBinaryOpen(hOld)) == NULL) {
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printf("DetourBinaryOpen failed: %ld\n", GetLastError());
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goto end;
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}
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if (hOld != INVALID_HANDLE_VALUE) {
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CloseHandle(hOld);
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hOld = INVALID_HANDLE_VALUE;
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}
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if (s_fRestore) {
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if (!DetourBinaryEditImports(pBinary,
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NULL,
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RestoreByway,
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RestoreFile,
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RestoreSymbol,
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RestoreCommit)) {
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printf("DetourBinaryEditImports for munge failed: %ld\n", GetLastError());
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}
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}
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if (s_fMunge) {
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MUNGE_STATE state;
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state.fLastWasByway = FALSE;
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state.nBywayCount = 1;
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if (!DetourBinaryEditImports(pBinary,
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&state,
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MungeByway,
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MungeFile,
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MungeSymbol,
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MungeCommit)) {
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printf("DetourBinaryEditImports for munge failed: %ld\n", GetLastError());
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}
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}
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if (s_fList) {
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if (!DetourBinaryEditImports(pBinary,
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NULL,
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ListByway,
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ListFile,
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ListSymbol,
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ListCommit)) {
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printf("DetourBinaryEditImports for list failed: %ld\n", GetLastError());
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}
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}
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if (pszOutput != NULL) {
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hNew = CreateFileA(pszOutput,
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GENERIC_WRITE | GENERIC_READ, 0, NULL, CREATE_ALWAYS,
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FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN, NULL);
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if (hNew == INVALID_HANDLE_VALUE) {
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printf("Couldn't open output file: %s, error: %ld\n",
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pszOutput, GetLastError());
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fGood = FALSE;
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goto end;
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}
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if (!DetourBinaryWrite(pBinary, hNew)) {
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printf("DetourBinaryWrite failed: %ld\n", GetLastError());
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fGood = FALSE;
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}
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CloseHandle(hNew);
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hNew = INVALID_HANDLE_VALUE;
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}
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DetourBinaryClose(pBinary);
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pBinary = NULL;
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if (fGood && pszOutput != NULL) {
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if (!BindImageEx(BIND_NO_BOUND_IMPORTS, pszOutput, ".", ".", NULL)) {
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printf("Warning: Couldn't bind binary %s: %ld\n", pszOutput, GetLastError());
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}
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}
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end:
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if (pBinary) {
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DetourBinaryClose(pBinary);
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pBinary = NULL;
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}
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if (hNew != INVALID_HANDLE_VALUE) {
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CloseHandle(hNew);
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hNew = INVALID_HANDLE_VALUE;
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}
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if (hOld != INVALID_HANDLE_VALUE) {
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CloseHandle(hOld);
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hOld = INVALID_HANDLE_VALUE;
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}
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return fGood;
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}
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//////////////////////////////////////////////////////////////////////////////
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//
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void PrintUsage(void)
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{
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printf("Usage:\n"
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" impmunge [options] binary_files\n"
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"Options:\n"
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" /l : List imports.\n"
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" /l- : Don't list imports.\n"
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" /m : Munge imports.\n"
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" /r : Remove import munges.\n"
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" /o:file : Set name of output file; must be include with /m or /r.\n"
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" /? : This help screen.\n");
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}
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//////////////////////////////////////////////////////////////////////// main.
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//
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int CDECL main(int argc, char **argv)
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{
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BOOL fNeedHelp = FALSE;
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PCHAR pszOutput = NULL;
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|
|
int arg = 1;
|
||
|
|
for (; arg < argc && !fNeedHelp; arg++) {
|
||
|
|
if (argv[arg][0] == '-' || argv[arg][0] == '/') {
|
||
|
|
CHAR *argn = argv[arg] + 1;
|
||
|
|
CHAR *argp = argn;
|
||
|
|
while (*argp && *argp != ':')
|
||
|
|
argp++;
|
||
|
|
if (*argp == ':')
|
||
|
|
*argp++ = '\0';
|
||
|
|
|
||
|
|
switch (argn[0]) {
|
||
|
|
|
||
|
|
case 'l': // List contents of import table.
|
||
|
|
case 'L':
|
||
|
|
s_fList = (argn[1] != '-');
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'm': // Munge import table.
|
||
|
|
case 'M':
|
||
|
|
s_fMunge = (argn[1] != '-');
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'o': // Set output file name.
|
||
|
|
case 'O':
|
||
|
|
pszOutput = argp;
|
||
|
|
break;
|
||
|
|
case 'r': // Restore file to unmunged state.
|
||
|
|
case 'R':
|
||
|
|
s_fRestore = (argn[1] != '-');
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 's': // Munge ordinals to symbols
|
||
|
|
case 'S':
|
||
|
|
s_fToSymbols = true;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case '?': // Help
|
||
|
|
fNeedHelp = TRUE;
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
fNeedHelp = TRUE;
|
||
|
|
printf("Bad argument: %s:%s\n", argn, argp);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if (!s_fList && !s_fMunge && !s_fRestore) {
|
||
|
|
fNeedHelp = TRUE;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if (pszOutput == NULL && (s_fMunge || s_fRestore)) {
|
||
|
|
fNeedHelp = TRUE;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
EditFile(argv[arg], pszOutput);
|
||
|
|
pszOutput = NULL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (argc == 1) {
|
||
|
|
fNeedHelp = TRUE;
|
||
|
|
}
|
||
|
|
if (fNeedHelp) {
|
||
|
|
PrintUsage();
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
// End of File
|