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195 lines
3.1 KiB
195 lines
3.1 KiB
/*++
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Copyright (C) 1996-2001 Microsoft Corporation
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Module Name:
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Abstract:
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History:
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--*/
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#include "precomp.h"
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#include <time.h>
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#include <wmimsg.h>
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#include "rpchdr.h"
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const DWORD g_dwSig = 0x6d696d77;
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const BYTE g_chVersionMajor = 1;
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const BYTE g_chVersionMinor = 0;
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/****************************************************************************
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CMsgRpcHdr
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*****************************************************************************/
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CMsgRpcHdr::CMsgRpcHdr( LPCWSTR wszSource, ULONG cAuxData )
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: m_wszSource( wszSource ), m_cAuxData( cAuxData )
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{
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GetSystemTime( &m_Time );
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}
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HRESULT CMsgRpcHdr::Unpersist( CBuffer& rStrm )
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{
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HRESULT hr;
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DWORD dwSig;
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BYTE chVersionMajor, chVersionMinor;
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//
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// read and verify signature.
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//
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hr = rStrm.Read( &dwSig, sizeof(DWORD), NULL );
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if ( hr != S_OK || dwSig != g_dwSig )
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{
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return WMIMSG_E_INVALIDMESSAGE;
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}
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//
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// read and check version major (currently no check).
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//
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hr = rStrm.Read( &chVersionMajor, 1, NULL );
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if ( hr != S_OK )
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{
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return WMIMSG_E_INVALIDMESSAGE;
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}
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//
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// read and check version minor (currently no check).
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//
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hr = rStrm.Read( &chVersionMinor, 1, NULL );
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if ( hr != S_OK )
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{
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return WMIMSG_E_INVALIDMESSAGE;
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}
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//
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// read reserved
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//
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DWORD dwReserved;
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hr = rStrm.Read( &dwReserved, sizeof(DWORD), NULL );
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if ( hr != S_OK )
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{
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return WMIMSG_E_INVALIDMESSAGE;
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}
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//
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// read source machine.
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//
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hr = rStrm.ReadLPWSTR( m_wszSource );
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if ( hr != S_OK )
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{
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return WMIMSG_E_INVALIDMESSAGE;
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}
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//
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// read sent time.
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//
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hr = rStrm.Read( &m_Time, sizeof(SYSTEMTIME), NULL );
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if ( hr != S_OK )
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{
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return WMIMSG_E_INVALIDMESSAGE;
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}
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//
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// read user header size.
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//
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hr = rStrm.Read( &m_cAuxData, sizeof(DWORD), NULL );
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if ( hr != S_OK )
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{
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return WMIMSG_E_INVALIDMESSAGE;
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}
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return WBEM_S_NO_ERROR;
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}
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HRESULT CMsgRpcHdr::Persist( CBuffer& rStrm )
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{
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HRESULT hr;
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hr = rStrm.Write( &g_dwSig, sizeof(DWORD), NULL );
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if ( FAILED(hr) )
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{
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return hr;
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}
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//
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// write version major.
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//
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hr = rStrm.Write( &g_chVersionMajor, 1, NULL );
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if ( FAILED(hr) )
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{
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return hr;
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}
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//
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// write version minor.
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//
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hr = rStrm.Write( &g_chVersionMinor, 1, NULL );
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if ( FAILED(hr) )
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{
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return hr;
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}
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//
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// write reserved flags ( currently not used ).
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//
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DWORD dwReserved = 0;
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hr = rStrm.Write( &dwReserved, sizeof(DWORD), NULL );
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if ( FAILED(hr) )
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{
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return hr;
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}
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//
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// write source machine
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//
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hr = rStrm.WriteLPWSTR( m_wszSource );
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if ( FAILED(hr) )
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{
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return hr;
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}
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//
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// write time sent.
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//
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hr = rStrm.Write( &m_Time, sizeof(SYSTEMTIME), NULL );
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if ( FAILED(hr) )
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{
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return hr;
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}
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//
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// write user hdr size.
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//
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return rStrm.Write( &m_cAuxData, sizeof(DWORD), NULL );
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}
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