100 lines
2 KiB
C++
100 lines
2 KiB
C++
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// Copyright (c) 1996-1999 Microsoft Corporation
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// This is not production code
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#include <stdio.h>
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#include <tchar.h>
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#include <windows.h>
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#include "munglog.hxx"
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HRESULT
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OpenLog( int vol, HANDLE *phFile )
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{
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TCHAR tszPath[ MAX_PATH + 1 ];
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_tcscpy( tszPath, TEXT("A:\\~secure.nt\\tracking.log" ));
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*tszPath += vol;
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*phFile = CreateFile( tszPath, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ,
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NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
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if( INVALID_HANDLE_VALUE == *phFile )
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return( HRESULT_FROM_WIN32( GetLastError() ) );
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else
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return( S_OK );
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}
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HRESULT
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WriteLog( HANDLE hFile, ULONG ulOffset, void *pv, const ULONG cb )
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{
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HRESULT hr = S_OK;
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ULONG cbWritten;
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if( !SetFilePointer( hFile, ulOffset, NULL, FILE_BEGIN ))
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{
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hr = HRESULT_FROM_WIN32( GetLastError() );
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goto Exit;
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}
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if( !WriteFile( hFile, pv, cb, &cbWritten, NULL )
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cb != cbWritten
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)
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{
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hr = HRESULT_FROM_WIN32( GetLastError() );
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goto Exit;
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}
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Exit:
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return( hr );
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}
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HRESULT
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MungeLog( EnumMunge enumMunge, void *pv, int vol )
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{
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HRESULT hr = E_FAIL;
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HANDLE hFile = INVALID_HANDLE_VALUE;
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hr = OpenLog( vol, &hFile );
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if( FAILED(hr) ) goto Exit;
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if( MUNGE_MACHINE_ID == enumMunge )
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hr = WriteLog( hFile, MUNGELOG_MACHINEID_OFFSET, pv, MUNGELOG_CB_MACHINEID );
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else
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hr = WriteLog( hFile, MUNGELOG_VOLSECRET_OFFSET, pv, MUNGELOG_CB_VOLSECRET );
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Exit:
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if( INVALID_HANDLE_VALUE != hFile )
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CloseHandle( hFile );
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return( hr );
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}
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/*
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extern "C" void wmain()
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{
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HRESULT hr;
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BYTE mcid[ 16 ];
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BYTE secret[ 16 ];
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strncpy( (char*)&mcid, "abcdefghijklmnopqrstuvwxyz", sizeof(mcid) );
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strncpy( (char*)&secret, "zyxwvutsrqponmlkjihgfedcba", sizeof(secret) );
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hr = MungeLog( MUNGE_VOLUME_SECRET, &secret, 4 );
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printf( "Secret = %08x\n", hr );
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hr = MungeLog( MUNGE_MACHINE_ID, &mcid, 4 );
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printf( "Machine = %08x\n", hr );
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}
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*/
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