Leaked source code of windows server 2003
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520 lines
11 KiB

#include <windows.h>
#include <stdio.h>
#include "dump.h"
#include "main.h"
PBASEINFO g_BaseHead = 0;
PTHREADINFO g_ThreadHead = 0;
DWORD g_dwThreadCount = 0;
HANDLE g_MapInformation = INVALID_HANDLE_VALUE;
HANDLE g_ErrorInformation = INVALID_HANDLE_VALUE;
int
_cdecl
main(int argc, char *argv[])
{
PCHAR pszFile;
PCHAR pszBaseFileName;
BOOL bResult;
if (argc < 3) {
return -1;
}
pszFile = argv[1]; //1st parameter
pszBaseFileName = argv[2]; //2nd parameter
bResult = ProcessRuntimeData(pszFile, pszBaseFileName);
if (FALSE == bResult) {
return -1;
}
//
// Close any open file handles
//
if (INVALID_HANDLE_VALUE != g_MapInformation) {
CloseHandle(g_MapInformation);
}
if (INVALID_HANDLE_VALUE != g_ErrorInformation) {
CloseHandle(g_ErrorInformation);
}
CloseThreadHandles();
return 0;
}
BOOL
ProcessRuntimeData(PCHAR pszFile, PCHAR pszBaseFileName)
{
HANDLE hFile = INVALID_HANDLE_VALUE;
HANDLE hMap = 0;
BOOL bResult = FALSE;
PVOID pFileBits = 0;
PBYTE pMappedBits;
LONG lFileSize;
//
// Get our file online and start the data processing
//
hFile = CreateFileA(pszFile,
GENERIC_READ | GENERIC_WRITE,
0,
0,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
0);
if (INVALID_HANDLE_VALUE == hFile) {
bResult = FALSE;
goto HandleError;
}
lFileSize = GetFileSize(hFile,
0);
//
// Process the data stream
//
hMap = CreateFileMapping(hFile,
0,
PAGE_READWRITE,
0,
0,
0);
if (0 == hMap) {
bResult = FALSE;
goto HandleError;
}
pFileBits = MapViewOfFile(hMap,
FILE_MAP_READ,
0,
0,
0);
if (0 == pFileBits) {
bResult = FALSE;
goto HandleError;
}
pMappedBits = (PBYTE)pFileBits;
//
// Process stream data
//
while (lFileSize > 0) {
switch(*pMappedBits) {
case ThreadStartId:
bResult = AddThreadInformation(pszBaseFileName,
(PTHREADSTART)pMappedBits);
if (FALSE == bResult) {
goto HandleError;
}
lFileSize -= sizeof(THREADSTART);
pMappedBits += sizeof(THREADSTART);
break;
case ExeFlowId:
bResult = AddExeFlowInformation((PEXEFLOW)pMappedBits);
// if (FALSE == bResult) {
// goto HandleError;
// }
lFileSize -= sizeof(EXEFLOW);
pMappedBits += sizeof(EXEFLOW);
break;
case DllBaseInfoId:
bResult = AddToBaseInformation((PDLLBASEINFO)pMappedBits);
if (FALSE == bResult) {
goto HandleError;
}
lFileSize -= sizeof(DLLBASEINFO);
pMappedBits += sizeof(DLLBASEINFO);
break;
case MapInfoId:
bResult = AddMappedInformation(pszBaseFileName,
(PMAPINFO)pMappedBits);
if (FALSE == bResult) {
goto HandleError;
}
lFileSize -= sizeof(MAPINFO);
pMappedBits += sizeof(MAPINFO);
break;
case ErrorInfoId:
bResult = AddErrorInformation(pszBaseFileName,
(PERRORINFO)pMappedBits);
if (FALSE == bResult) {
goto HandleError;
}
lFileSize -= sizeof(ERRORINFO);
pMappedBits += sizeof(ERRORINFO);
break;
default:
0;
}
}
//
// No problems in processing log
//
bResult = TRUE;
HandleError:
if (pFileBits) {
UnmapViewOfFile(pFileBits);
}
if (hMap) {
CloseHandle(hMap);
}
if (INVALID_HANDLE_VALUE != hFile) {
CloseHandle(hFile);
}
return bResult;
}
BOOL
AddThreadInformation(PCHAR pszBaseFileName,
PTHREADSTART pThreadStart)
{
PTHREADINFO ptTemp = 0;
BOOL bResult;
DWORD dwBytesWritten;
CHAR szBuffer[MAX_PATH];
CHAR szAddress[MAX_PATH];
//
// Allocate some memory for the new thread data
//
ptTemp = LocalAlloc(LPTR,
sizeof(THREADINFO));
if (0 == ptTemp) {
return FALSE;
}
//
// Initialize file data
//
ptTemp->dwThreadId = pThreadStart->dwThreadId;
sprintf(szBuffer,"%s.thread%ld", pszBaseFileName, g_dwThreadCount);
ptTemp->hFile = CreateFileA(szBuffer,
GENERIC_READ | GENERIC_WRITE,
0,
0,
CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL,
0);
if (INVALID_HANDLE_VALUE == ptTemp->hFile) {
return FALSE;
}
//
// Add thread base information to new thread log
//
bResult = FillBufferWithRelocationInfo(szAddress,
pThreadStart->dwStartAddress);
if (FALSE == bResult) {
return bResult;
}
sprintf(szBuffer,"Thread started at %s\r\n", szAddress);
bResult = WriteFile(ptTemp->hFile,
szBuffer,
strlen(szBuffer),
&dwBytesWritten,
0);
if (FALSE == bResult) {
return FALSE;
}
//
// Chain up thread data
//
if (0 == g_ThreadHead) {
ptTemp->pNext = 0;
g_ThreadHead = ptTemp;
}
else {
ptTemp->pNext = g_ThreadHead;
g_ThreadHead = ptTemp;
}
return TRUE;
}
VOID
CloseThreadHandles(VOID)
{
PTHREADINFO ptTemp = 0;
ptTemp = g_ThreadHead;
while(ptTemp) {
if (ptTemp->hFile != INVALID_HANDLE_VALUE) {
CloseHandle(ptTemp->hFile);
}
ptTemp = ptTemp->pNext;
}
}
BOOL
AddExeFlowInformation(PEXEFLOW pExeFlow)
{
PTHREADINFO ptTemp = 0;
BOOL bResult;
DWORD dwBytesWritten;
CHAR szAddress[MAX_PATH];
CHAR szBuffer[MAX_PATH];
//
// Locate thread for this point of execution
//
ptTemp = g_ThreadHead;
while(ptTemp) {
if (ptTemp->dwThreadId == pExeFlow->dwThreadId) {
break;
}
ptTemp = ptTemp->pNext;
}
if (0 == ptTemp) {
//
// Couldn't locate thread info
//
return FALSE;
}
bResult = FillBufferWithRelocationInfo(szAddress,
pExeFlow->dwAddress);
if (FALSE == bResult) {
return bResult;
}
sprintf(szBuffer, "%s : %ld\r\n", szAddress, pExeFlow->dwCallLevel);
bResult = WriteFile(ptTemp->hFile,
szBuffer,
strlen(szBuffer),
&dwBytesWritten,
0);
if (FALSE == bResult) {
return FALSE;
}
return TRUE;
}
BOOL
AddErrorInformation(PCHAR pszBaseFileName,
PERRORINFO pErrorInfo)
{
BOOL bResult;
DWORD dwBytesWritten;
CHAR szBuffer[MAX_PATH];
if (INVALID_HANDLE_VALUE == g_ErrorInformation) {
strcpy(szBuffer, pszBaseFileName);
strcat(szBuffer, ".err");
g_ErrorInformation = CreateFileA(szBuffer,
GENERIC_READ | GENERIC_WRITE,
0,
0,
CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL,
0);
if (INVALID_HANDLE_VALUE == g_ErrorInformation) {
return FALSE;
}
}
//
// Write out error message
//
bResult = WriteFile(g_ErrorInformation,
pErrorInfo->szMessage,
strlen(pErrorInfo->szMessage),
&dwBytesWritten,
0);
if (FALSE == bResult) {
return FALSE;
}
return TRUE;
}
BOOL
AddMappedInformation(PCHAR pszBaseFileName,
PMAPINFO pMapInfo)
{
BOOL bResult;
CHAR szBuffer[MAX_PATH];
CHAR szAddress[MAX_PATH];
CHAR szAddress2[MAX_PATH];
DWORD dwBytesWritten;
if (INVALID_HANDLE_VALUE == g_MapInformation) {
strcpy(szBuffer, pszBaseFileName);
strcat(szBuffer, ".map");
g_MapInformation = CreateFileA(szBuffer,
GENERIC_READ | GENERIC_WRITE,
0,
0,
CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL,
0);
if (INVALID_HANDLE_VALUE == g_MapInformation) {
return FALSE;
}
}
//
// Write out the mapping information
//
bResult = FillBufferWithRelocationInfo(szAddress,
pMapInfo->dwAddress);
if (FALSE == bResult) {
return bResult;
}
bResult = FillBufferWithRelocationInfo(szAddress2,
pMapInfo->dwMaxMapLength);
if (FALSE == bResult) {
return bResult;
}
sprintf(szBuffer, "%s -> %s\r\n", szAddress, szAddress2);
bResult = WriteFile(g_MapInformation,
szBuffer,
strlen(szBuffer),
&dwBytesWritten,
0);
if (FALSE == bResult) {
return FALSE;
}
return TRUE;
}
BOOL
FillBufferWithRelocationInfo(PCHAR pszDestination,
DWORD dwAddress)
{
PBASEINFO pTemp;
//
// Find the address in the module info
//
pTemp = g_BaseHead;
while (pTemp) {
//
// Did we find the address?
//
if ((dwAddress >= pTemp->dwStartAddress) &&
(dwAddress <= pTemp->dwEndAddress)) {
break;
}
pTemp = pTemp->pNext;
}
if (pTemp) {
sprintf(pszDestination, "%s+%08X", pTemp->szModule, (dwAddress - pTemp->dwStartAddress));
}
else {
sprintf(pszDestination, "%08X", dwAddress);
}
return TRUE;
}
BOOL
AddToBaseInformation(PDLLBASEINFO pDLLBaseInfo)
{
PBASEINFO pTemp;
if (0 == g_BaseHead) {
//
// Store off the base information
//
pTemp = LocalAlloc(LPTR,
sizeof(BASEINFO));
if (0 == pTemp) {
return FALSE;
}
pTemp->dwStartAddress = pDLLBaseInfo->dwBase;
pTemp->dwEndAddress = pTemp->dwStartAddress + pDLLBaseInfo->dwLength;
strcpy(pTemp->szModule, pDLLBaseInfo->szDLLName);
_strupr(pTemp->szModule);
pTemp->pNext = 0;
g_BaseHead = pTemp;
}
else {
//
// See if our module has already been mapped, and if so update module base info
//
pTemp = g_BaseHead;
while(pTemp) {
if (0 == _stricmp(pDLLBaseInfo->szDLLName, pTemp->szModule)) {
break;
}
pTemp = pTemp->pNext;
}
if (pTemp) {
//
// Found the DLL already in the list, update
//
pTemp->dwStartAddress = pDLLBaseInfo->dwBase;
pTemp->dwEndAddress = pTemp->dwStartAddress + pDLLBaseInfo->dwLength;
}
else {
//
// New DLL
//
pTemp = LocalAlloc(LPTR,
sizeof(BASEINFO));
if (0 == pTemp) {
return FALSE;
}
pTemp->dwStartAddress = pDLLBaseInfo->dwBase;
pTemp->dwEndAddress = pTemp->dwStartAddress + pDLLBaseInfo->dwLength;
strcpy(pTemp->szModule, pDLLBaseInfo->szDLLName);
_strupr(pTemp->szModule);
//
// Chain up the new DLL
//
pTemp->pNext = g_BaseHead;
g_BaseHead = pTemp;
}
}
return TRUE;
}