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1068 lines
26 KiB
1068 lines
26 KiB
//+--------------------------------------------------------------------------
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//
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// Copyright (c) 1997-1999 Microsoft Corporation
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//
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// File:
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//
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// Contents:
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//
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// History:
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//
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//---------------------------------------------------------------------------
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#include "precomp.h"
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///////////////////////////////////////////////////////////////////////////////
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VOID
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CopyBinaryBlob(
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PBYTE pbBuffer,
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PBinary_Blob pbbBlob,
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DWORD * pdwCount )
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{
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*pdwCount = 0;
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//
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// First copy the wBlobType data;
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//
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memcpy( pbBuffer, &pbbBlob->wBlobType, sizeof( WORD ) );
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pbBuffer += sizeof( WORD );
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*pdwCount += sizeof( WORD );
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//
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// Copy the wBlobLen data
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//
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memcpy( pbBuffer, &pbbBlob->wBlobLen, sizeof( WORD ) );
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pbBuffer += sizeof( WORD );
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*pdwCount += sizeof( WORD );
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if( 0 == pbbBlob->wBlobLen )
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{
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return;
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}
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//
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// Copy the actual data
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//
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memcpy( pbBuffer, pbbBlob->pBlob, pbbBlob->wBlobLen );
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*pdwCount += pbbBlob->wBlobLen;
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}
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///////////////////////////////////////////////////////////////////////////////
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LICENSE_STATUS
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GetBinaryBlob(
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PBinary_Blob pBBlob,
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PBYTE pMessage,
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PDWORD pcbProcessed )
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{
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PBinary_Blob pBB;
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LICENSE_STATUS Status;
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pBB = ( PBinary_Blob )pMessage;
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pBBlob->wBlobType = pBB->wBlobType;
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pBBlob->wBlobLen = pBB->wBlobLen;
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pBBlob->pBlob = NULL;
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*pcbProcessed = 2 * ( sizeof( WORD ) );
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if( 0 == pBBlob->wBlobLen )
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{
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return( LICENSE_STATUS_OK );
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}
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//
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// Check that strings are NULL terminated
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//
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switch (pBB->wBlobType)
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{
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case BB_CLIENT_USER_NAME_BLOB:
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case BB_CLIENT_MACHINE_NAME_BLOB:
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if ('\0' != pMessage[(2 * sizeof(WORD)) + (pBB->wBlobLen) - 1])
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{
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__try
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{
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//
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// Handle bug in old client, where length is off by one
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//
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if ('\0' == pMessage[(2 * sizeof(WORD)) + pBB->wBlobLen])
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{
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pBBlob->wBlobLen++;
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break;
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}
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}
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__except( EXCEPTION_EXECUTE_HANDLER )
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{
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return( LICENSE_STATUS_INVALID_INPUT );
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}
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//
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// Handle WTB client bug - send wrong data size.
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// At this stage of licensing, we don't really care about
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// client's machine and user name
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//
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pMessage[(2 * sizeof(WORD)) + (pBB->wBlobLen) - 1] = '\0';
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if(!(pBB->wBlobLen & 0x01))
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{
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//
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// Even length, assuming UNICODE, wBlobLen must > 1 to
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// come to here
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//
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pMessage[(2 * sizeof(WORD)) + (pBB->wBlobLen) - 2] = '\0';
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}
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//return( LICENSE_STATUS_INVALID_INPUT );
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}
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break;
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}
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//
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// allocate memory for and copy the actual data
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//
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if( BB_CLIENT_USER_NAME_BLOB == pBB->wBlobType ||
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BB_CLIENT_MACHINE_NAME_BLOB == pBB->wBlobType )
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{
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// WINCE client sends UNICODE, add extra NULL at the end
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Status = LicenseMemoryAllocate( ( DWORD )pBBlob->wBlobLen + sizeof(WCHAR), &(pBBlob->pBlob) );
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}
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else
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{
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Status = LicenseMemoryAllocate( ( DWORD )pBBlob->wBlobLen, &(pBBlob->pBlob) );
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}
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if( LICENSE_STATUS_OK != Status )
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{
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return( Status );
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}
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__try
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{
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memcpy( pBBlob->pBlob, pMessage + ( 2 * sizeof( WORD ) ), pBBlob->wBlobLen );
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}
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__except( EXCEPTION_EXECUTE_HANDLER )
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{
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LicenseMemoryFree( &pBBlob->pBlob );
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return( LICENSE_STATUS_INVALID_INPUT );
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}
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*pcbProcessed += ( DWORD )pBBlob->wBlobLen;
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return( LICENSE_STATUS_OK );
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}
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///////////////////////////////////////////////////////////////////////////////
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VOID
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FreeBinaryBlob(
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PBinary_Blob pBlob )
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{
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if( pBlob->pBlob )
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{
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LicenseMemoryFree( &pBlob->pBlob );
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pBlob->wBlobLen = 0;
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}
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return;
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}
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///////////////////////////////////////////////////////////////////////////////
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LICENSE_STATUS
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PackHydraServerLicenseRequest(
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DWORD dwProtocolVersion,
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PHydra_Server_License_Request pCanonical,
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PBYTE* ppNetwork,
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DWORD* pcbNetwork )
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{
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Preamble Header;
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DWORD i, cbCopied;
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PBinary_Blob pBlob;
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LICENSE_STATUS Status = LICENSE_STATUS_OK;
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PBYTE pNetworkBuf;
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ASSERT( pCanonical );
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if( ( NULL == pCanonical ) ||
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( NULL == pcbNetwork ) ||
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( NULL == ppNetwork ) )
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{
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return( LICENSE_STATUS_INVALID_INPUT );
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}
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//
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// calculate the size needed for network format
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//
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Header.wMsgSize = (WORD)(sizeof( Preamble ) +
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LICENSE_RANDOM +
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sizeof( DWORD ) +
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sizeof( DWORD ) + pCanonical->ProductInfo.cbCompanyName +
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sizeof( DWORD ) + pCanonical->ProductInfo.cbProductID +
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GetBinaryBlobSize( pCanonical->KeyExchngList ) +
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GetBinaryBlobSize( pCanonical->ServerCert ) +
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sizeof( DWORD ) +
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( pCanonical->ScopeList.dwScopeCount * ( sizeof( WORD ) + sizeof( WORD ) ) ) );
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for( i = 0, pBlob = pCanonical->ScopeList.Scopes;
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i < pCanonical->ScopeList.dwScopeCount;
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i++ )
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{
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Header.wMsgSize += pBlob->wBlobLen;
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pBlob++;
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}
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//
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// allocate the output buffer
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//
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Status = LicenseMemoryAllocate( Header.wMsgSize, ppNetwork );
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if( LICENSE_STATUS_OK != Status )
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{
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goto PackError;
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}
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*pcbNetwork = Header.wMsgSize;
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pNetworkBuf = *ppNetwork;
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//
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// copy the header
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//
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Header.bMsgType = HS_LICENSE_REQUEST;
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Header.bVersion = GET_PREAMBLE_VERSION( dwProtocolVersion );
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memcpy( pNetworkBuf, &Header, sizeof( Preamble ) );
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pNetworkBuf += sizeof( Preamble );
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//
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// copy the server random number
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//
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memcpy( pNetworkBuf, pCanonical->ServerRandom, LICENSE_RANDOM );
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pNetworkBuf += LICENSE_RANDOM;
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//
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// copy the product info
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//
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memcpy( pNetworkBuf, &pCanonical->ProductInfo.dwVersion, sizeof( DWORD ) );
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pNetworkBuf += sizeof( DWORD );
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memcpy( pNetworkBuf, &pCanonical->ProductInfo.cbCompanyName, sizeof( DWORD ) );
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pNetworkBuf += sizeof( DWORD );
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memcpy( pNetworkBuf, pCanonical->ProductInfo.pbCompanyName,
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pCanonical->ProductInfo.cbCompanyName );
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pNetworkBuf += pCanonical->ProductInfo.cbCompanyName;
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memcpy( pNetworkBuf, &pCanonical->ProductInfo.cbProductID, sizeof( DWORD ) );
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pNetworkBuf += sizeof( DWORD );
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memcpy( pNetworkBuf, pCanonical->ProductInfo.pbProductID,
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pCanonical->ProductInfo.cbProductID );
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pNetworkBuf += pCanonical->ProductInfo.cbProductID;
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//
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// copy the key exchange list
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//
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CopyBinaryBlob( pNetworkBuf, &pCanonical->KeyExchngList, &cbCopied );
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pNetworkBuf += cbCopied;
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//
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// copy the hydra server certificate
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//
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CopyBinaryBlob( pNetworkBuf, &pCanonical->ServerCert, &cbCopied );
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pNetworkBuf += cbCopied;
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//
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// copy the scope list
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//
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memcpy( pNetworkBuf, &pCanonical->ScopeList.dwScopeCount, sizeof( DWORD ) );
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pNetworkBuf += sizeof( DWORD );
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for( i = 0, pBlob = pCanonical->ScopeList.Scopes;
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i < pCanonical->ScopeList.dwScopeCount;
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i++ )
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{
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CopyBinaryBlob( pNetworkBuf, pBlob, &cbCopied );
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pNetworkBuf += cbCopied;
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pBlob++;
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}
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PackError:
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return( Status );
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}
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///////////////////////////////////////////////////////////////////////////////
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LICENSE_STATUS
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PackHydraServerPlatformChallenge(
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DWORD dwProtocolVersion,
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PHydra_Server_Platform_Challenge pCanonical,
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PBYTE* ppNetwork,
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DWORD* pcbNetwork )
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{
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Preamble Header;
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DWORD cbCopied;
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PBinary_Blob pBlob;
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LICENSE_STATUS Status = LICENSE_STATUS_OK;
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PBYTE pNetworkBuf;
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ASSERT( pCanonical );
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ASSERT( pcbNetwork );
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ASSERT( ppNetwork );
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if( ( NULL == pCanonical ) ||
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( NULL == pcbNetwork ) ||
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( NULL == ppNetwork ) )
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{
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return( LICENSE_STATUS_INVALID_INPUT );
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}
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//
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// calculate the buffer size needed
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//
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Header.wMsgSize = sizeof( Preamble ) +
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sizeof( DWORD ) +
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GetBinaryBlobSize( pCanonical->EncryptedPlatformChallenge ) +
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LICENSE_MAC_DATA;
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//
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// allocate the output buffer
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//
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Status = LicenseMemoryAllocate( Header.wMsgSize, ppNetwork );
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if( LICENSE_STATUS_OK != Status )
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{
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goto PackError;
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}
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*pcbNetwork = Header.wMsgSize;
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pNetworkBuf = *ppNetwork;
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//
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// copy the header
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//
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Header.bMsgType = HS_PLATFORM_CHALLENGE;
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Header.bVersion = GET_PREAMBLE_VERSION( dwProtocolVersion );
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memcpy( pNetworkBuf, &Header, sizeof( Preamble ) );
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pNetworkBuf += sizeof( Preamble );
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//
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// copy the connect flag
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//
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memcpy( pNetworkBuf, &pCanonical->dwConnectFlags, sizeof( DWORD ) );
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pNetworkBuf += sizeof( DWORD );
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//
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// copy the encrypted platform challenge
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//
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CopyBinaryBlob( pNetworkBuf, &pCanonical->EncryptedPlatformChallenge, &cbCopied );
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pNetworkBuf += cbCopied;
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//
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// copy the MAC
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//
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memcpy( pNetworkBuf, pCanonical->MACData, LICENSE_MAC_DATA );
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PackError:
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return( Status );
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}
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///////////////////////////////////////////////////////////////////////////////
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LICENSE_STATUS
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PackHydraServerNewLicense(
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DWORD dwProtocolVersion,
|
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PHydra_Server_New_License pCanonical,
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PBYTE* ppNetwork,
|
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DWORD* pcbNetwork )
|
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{
|
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Preamble Header;
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DWORD cbCopied;
|
|
PBinary_Blob pBlob;
|
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LICENSE_STATUS Status = LICENSE_STATUS_OK;
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PBYTE pNetworkBuf;
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ASSERT( pCanonical );
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ASSERT( pcbNetwork );
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ASSERT( ppNetwork );
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if( ( NULL == pCanonical ) ||
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( NULL == pcbNetwork ) ||
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( NULL == ppNetwork ) )
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{
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return( LICENSE_STATUS_INVALID_INPUT );
|
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}
|
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|
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//
|
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// calculate the buffer size needed
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//
|
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Header.wMsgSize = sizeof( Preamble ) +
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GetBinaryBlobSize( pCanonical->EncryptedNewLicenseInfo ) +
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LICENSE_MAC_DATA;
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|
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//
|
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// allocate the output buffer
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//
|
|
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Status = LicenseMemoryAllocate( Header.wMsgSize, ppNetwork );
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|
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if( LICENSE_STATUS_OK != Status )
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{
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goto PackError;
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}
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|
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*pcbNetwork = Header.wMsgSize;
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pNetworkBuf = *ppNetwork;
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//
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// copy the header
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//
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Header.bMsgType = HS_NEW_LICENSE;
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Header.bVersion = GET_PREAMBLE_VERSION( dwProtocolVersion );
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memcpy( pNetworkBuf, &Header, sizeof( Preamble ) );
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pNetworkBuf += sizeof( Preamble );
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|
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//
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// copy the encrypted new license info
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//
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CopyBinaryBlob( pNetworkBuf, &pCanonical->EncryptedNewLicenseInfo, &cbCopied );
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pNetworkBuf += cbCopied;
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|
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//
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// copy the MAC
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//
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memcpy( pNetworkBuf, pCanonical->MACData, LICENSE_MAC_DATA );
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PackError:
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return( Status );
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|
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}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
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LICENSE_STATUS
|
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PackHydraServerUpgradeLicense(
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DWORD dwProtocolVersion,
|
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PHydra_Server_Upgrade_License pCanonical,
|
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PBYTE* ppNetwork,
|
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DWORD* pcbNetwork )
|
|
{
|
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LICENSE_STATUS Status;
|
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PPreamble pHeader;
|
|
|
|
Status = PackHydraServerNewLicense( dwProtocolVersion, pCanonical, ppNetwork, pcbNetwork );
|
|
|
|
if( LICENSE_STATUS_OK == Status )
|
|
{
|
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//
|
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// make this an upgrade license message
|
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//
|
|
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|
pHeader = ( PPreamble )*ppNetwork;
|
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pHeader->bMsgType = HS_UPGRADE_LICENSE;
|
|
}
|
|
|
|
return( Status );
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
LICENSE_STATUS
|
|
PackHydraServerErrorMessage(
|
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DWORD dwProtocolVersion,
|
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PLicense_Error_Message pCanonical,
|
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PBYTE* ppNetwork,
|
|
DWORD* pcbNetwork )
|
|
{
|
|
Preamble Header;
|
|
DWORD cbCopied;
|
|
PBinary_Blob pBlob;
|
|
LICENSE_STATUS Status = LICENSE_STATUS_OK;
|
|
PBYTE pNetworkBuf;
|
|
|
|
ASSERT( pCanonical );
|
|
ASSERT( pcbNetwork );
|
|
ASSERT( ppNetwork );
|
|
|
|
if( ( NULL == pCanonical ) ||
|
|
( NULL == pcbNetwork ) ||
|
|
( NULL == ppNetwork ) )
|
|
{
|
|
return( LICENSE_STATUS_INVALID_INPUT );
|
|
}
|
|
|
|
//
|
|
// calculate the buffer size needed
|
|
//
|
|
|
|
Header.wMsgSize = sizeof( Preamble ) +
|
|
sizeof( DWORD ) +
|
|
sizeof( DWORD ) +
|
|
GetBinaryBlobSize( pCanonical->bbErrorInfo );
|
|
|
|
//
|
|
// allocate the output buffer
|
|
//
|
|
|
|
Status = LicenseMemoryAllocate( Header.wMsgSize, ppNetwork );
|
|
|
|
if( LICENSE_STATUS_OK != Status )
|
|
{
|
|
goto PackError;
|
|
}
|
|
|
|
*pcbNetwork = Header.wMsgSize;
|
|
|
|
pNetworkBuf = *ppNetwork;
|
|
|
|
//
|
|
// set up preamble
|
|
//
|
|
|
|
Header.bMsgType = GM_ERROR_ALERT;
|
|
Header.bVersion = GET_PREAMBLE_VERSION( dwProtocolVersion );
|
|
|
|
memcpy( pNetworkBuf, &Header, sizeof( Preamble ) );
|
|
pNetworkBuf += sizeof( Preamble );
|
|
|
|
//
|
|
// copy the error code, state transition and error info
|
|
//
|
|
|
|
memcpy( pNetworkBuf, &pCanonical->dwErrorCode, sizeof( DWORD ) );
|
|
pNetworkBuf += sizeof( DWORD );
|
|
|
|
memcpy( pNetworkBuf, &pCanonical->dwStateTransition, sizeof( DWORD ) );
|
|
pNetworkBuf += sizeof( DWORD );
|
|
|
|
CopyBinaryBlob( pNetworkBuf, &pCanonical->bbErrorInfo, &cbCopied );
|
|
|
|
PackError:
|
|
|
|
return( Status );
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
LICENSE_STATUS
|
|
PackNewLicenseInfo(
|
|
PNew_License_Info pCanonical,
|
|
PBYTE* ppNetwork,
|
|
DWORD* pcbNetwork )
|
|
{
|
|
DWORD cbBufNeeded;
|
|
PBYTE pNetworkBuf;
|
|
LICENSE_STATUS Status = LICENSE_STATUS_OK;
|
|
|
|
ASSERT( pCanonical );
|
|
ASSERT( pcbNetwork );
|
|
ASSERT( ppNetwork );
|
|
|
|
if( ( NULL == pCanonical ) ||
|
|
( NULL == pcbNetwork ) ||
|
|
( NULL == ppNetwork ) )
|
|
{
|
|
return( LICENSE_STATUS_INVALID_INPUT );
|
|
}
|
|
|
|
//
|
|
// calculate the buffer size needed and check that the output
|
|
// buffer is large enough
|
|
//
|
|
|
|
cbBufNeeded = 5 * sizeof( DWORD ) +
|
|
pCanonical->cbScope +
|
|
pCanonical->cbCompanyName +
|
|
pCanonical->cbProductID +
|
|
pCanonical->cbLicenseInfo;
|
|
|
|
//
|
|
// allocate the output buffer
|
|
//
|
|
|
|
Status = LicenseMemoryAllocate( cbBufNeeded, ppNetwork );
|
|
|
|
if( LICENSE_STATUS_OK != Status )
|
|
{
|
|
goto done;
|
|
}
|
|
|
|
*pcbNetwork = cbBufNeeded;
|
|
|
|
pNetworkBuf = *ppNetwork;
|
|
|
|
//
|
|
// start copying the data
|
|
//
|
|
|
|
memcpy( pNetworkBuf, &pCanonical->dwVersion, sizeof( DWORD ) );
|
|
pNetworkBuf += sizeof( DWORD );
|
|
|
|
memcpy( pNetworkBuf, &pCanonical->cbScope, sizeof( DWORD ) );
|
|
pNetworkBuf += sizeof( DWORD );
|
|
|
|
memcpy( pNetworkBuf, pCanonical->pbScope, pCanonical->cbScope );
|
|
pNetworkBuf += pCanonical->cbScope;
|
|
|
|
memcpy( pNetworkBuf, &pCanonical->cbCompanyName, sizeof( DWORD ) );
|
|
pNetworkBuf += sizeof( DWORD );
|
|
|
|
memcpy( pNetworkBuf, pCanonical->pbCompanyName, pCanonical->cbCompanyName );
|
|
pNetworkBuf += pCanonical->cbCompanyName;
|
|
|
|
memcpy( pNetworkBuf, &pCanonical->cbProductID, sizeof( DWORD ) );
|
|
pNetworkBuf += sizeof( DWORD );
|
|
|
|
memcpy( pNetworkBuf, pCanonical->pbProductID, pCanonical->cbProductID );
|
|
pNetworkBuf += pCanonical->cbProductID;
|
|
|
|
memcpy( pNetworkBuf, &pCanonical->cbLicenseInfo, sizeof( DWORD ) );
|
|
pNetworkBuf += sizeof( DWORD );
|
|
|
|
memcpy( pNetworkBuf, pCanonical->pbLicenseInfo, pCanonical->cbLicenseInfo );
|
|
pNetworkBuf += pCanonical->cbLicenseInfo;
|
|
|
|
done:
|
|
|
|
return( Status );
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// Functions for unpacking different Hydra Client Messages from
|
|
// simple binary blobs to corresponding structure
|
|
//
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
LICENSE_STATUS
|
|
UnPackHydraClientErrorMessage(
|
|
PBYTE pbMessage,
|
|
DWORD cbMessage,
|
|
PLicense_Error_Message pCanonical )
|
|
{
|
|
DWORD cbUnpacked = 0;
|
|
LICENSE_STATUS Status = LICENSE_STATUS_OK;
|
|
PPreamble pHeader;
|
|
PBYTE pNetwork;
|
|
DWORD cbProcessed = 0;
|
|
|
|
//
|
|
// check the input parameters
|
|
//
|
|
|
|
ASSERT( NULL != pbMessage );
|
|
ASSERT( 0 < cbMessage );
|
|
ASSERT( NULL != pCanonical );
|
|
|
|
if( ( NULL == pbMessage ) ||
|
|
( 0 >= cbMessage ) ||
|
|
( NULL == pCanonical ) )
|
|
{
|
|
return( LICENSE_STATUS_INVALID_INPUT );
|
|
}
|
|
|
|
//
|
|
// check the preamble
|
|
//
|
|
|
|
pHeader = ( PPreamble )pbMessage;
|
|
|
|
if( GM_ERROR_ALERT != pHeader->bMsgType )
|
|
{
|
|
#if DBG
|
|
DbgPrint( "UnPackHydraClientErrorMessage: received unexpected message type %c\n", pHeader->bMsgType );
|
|
#endif
|
|
return( LICENSE_STATUS_INVALID_RESPONSE );
|
|
}
|
|
|
|
//
|
|
// do a calculation of the fixed field length
|
|
//
|
|
|
|
cbUnpacked = sizeof( Preamble ) + 2 * sizeof( DWORD );
|
|
ASSERT( pHeader->wMsgSize >= ( WORD )cbUnpacked );
|
|
|
|
//
|
|
// get the license error structure
|
|
//
|
|
|
|
pNetwork = pbMessage + sizeof( Preamble );
|
|
|
|
memcpy( &pCanonical->dwErrorCode, pNetwork, sizeof( DWORD ) );
|
|
pNetwork += sizeof( DWORD );
|
|
|
|
memcpy( &pCanonical->dwStateTransition, pNetwork, sizeof( DWORD ) );
|
|
pNetwork += sizeof( DWORD );
|
|
|
|
Status = GetBinaryBlob( &( pCanonical->bbErrorInfo ), pNetwork, &cbProcessed );
|
|
|
|
if( LICENSE_STATUS_OK != Status )
|
|
{
|
|
return( Status );
|
|
}
|
|
|
|
cbUnpacked += cbProcessed;
|
|
|
|
ASSERT( pHeader->wMsgSize == ( WORD )cbUnpacked );
|
|
|
|
return( Status );
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
LICENSE_STATUS
|
|
UnPackHydraClientLicenseInfo(
|
|
PBYTE pbMessage,
|
|
DWORD cbMessage,
|
|
PHydra_Client_License_Info pCanonical )
|
|
{
|
|
DWORD cbUnpacked = 0;
|
|
LICENSE_STATUS Status = LICENSE_STATUS_OK;
|
|
PPreamble pHeader;
|
|
PBYTE pNetwork;
|
|
DWORD cbProcessed = 0;
|
|
|
|
//
|
|
// check the input parameters
|
|
//
|
|
|
|
ASSERT( NULL != pbMessage );
|
|
ASSERT( 0 < cbMessage );
|
|
ASSERT( NULL != pCanonical );
|
|
|
|
if( ( NULL == pbMessage ) ||
|
|
( 0 >= cbMessage ) ||
|
|
( NULL == pCanonical ) )
|
|
{
|
|
return( LICENSE_STATUS_INVALID_INPUT );
|
|
}
|
|
|
|
//
|
|
// check the preamble
|
|
//
|
|
|
|
pHeader = ( PPreamble )pbMessage;
|
|
|
|
if( HC_LICENSE_INFO != pHeader->bMsgType )
|
|
{
|
|
#if DBG
|
|
DbgPrint( "UnPackHydraClientLicenseInfo: received unexpected message type %c\n", pHeader->bMsgType );
|
|
#endif
|
|
return( LICENSE_STATUS_INVALID_RESPONSE );
|
|
}
|
|
|
|
//
|
|
// do a calculation of the fixed field length
|
|
//
|
|
|
|
cbUnpacked = sizeof( Preamble ) +
|
|
2 * sizeof( DWORD ) +
|
|
LICENSE_RANDOM +
|
|
LICENSE_MAC_DATA;
|
|
|
|
ASSERT( pHeader->wMsgSize >= ( WORD )cbUnpacked );
|
|
|
|
//
|
|
// get the license info structure
|
|
//
|
|
|
|
pNetwork = pbMessage + sizeof( Preamble );
|
|
|
|
memcpy( &pCanonical->dwPrefKeyExchangeAlg, pNetwork, sizeof( DWORD ) );
|
|
pNetwork += sizeof( DWORD );
|
|
|
|
memcpy( &pCanonical->dwPlatformID, pNetwork, sizeof( DWORD ) );
|
|
pNetwork += sizeof( DWORD );
|
|
|
|
memcpy( &pCanonical->ClientRandom, pNetwork, LICENSE_RANDOM );
|
|
pNetwork += LICENSE_RANDOM;
|
|
|
|
Status = GetBinaryBlob( &pCanonical->EncryptedPreMasterSecret, pNetwork, &cbProcessed );
|
|
|
|
if( LICENSE_STATUS_OK != Status )
|
|
{
|
|
if (Status == LICENSE_STATUS_INVALID_INPUT)
|
|
{
|
|
Status = LICENSE_STATUS_INVALID_RESPONSE;
|
|
}
|
|
|
|
return( Status );
|
|
}
|
|
|
|
pNetwork += cbProcessed;
|
|
cbUnpacked += cbProcessed;
|
|
|
|
Status = GetBinaryBlob( &pCanonical->LicenseInfo, pNetwork, &cbProcessed );
|
|
|
|
if( LICENSE_STATUS_OK != Status )
|
|
{
|
|
if (Status == LICENSE_STATUS_INVALID_INPUT)
|
|
{
|
|
Status = LICENSE_STATUS_INVALID_RESPONSE;
|
|
}
|
|
|
|
return( Status );
|
|
}
|
|
|
|
pNetwork += cbProcessed;
|
|
cbUnpacked += cbProcessed;
|
|
|
|
Status = GetBinaryBlob( &pCanonical->EncryptedHWID, pNetwork, &cbProcessed );
|
|
|
|
if( LICENSE_STATUS_OK != Status )
|
|
{
|
|
if (Status == LICENSE_STATUS_INVALID_INPUT)
|
|
{
|
|
Status = LICENSE_STATUS_INVALID_RESPONSE;
|
|
}
|
|
|
|
return( Status );
|
|
}
|
|
|
|
pNetwork += cbProcessed;
|
|
cbUnpacked += cbProcessed;
|
|
|
|
memcpy( pCanonical->MACData, pNetwork, LICENSE_MAC_DATA );
|
|
|
|
ASSERT( pHeader->wMsgSize == ( WORD )cbUnpacked );
|
|
|
|
return( Status );
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
LICENSE_STATUS
|
|
UnPackHydraClientNewLicenseRequest(
|
|
PBYTE pbMessage,
|
|
DWORD cbMessage,
|
|
PHydra_Client_New_License_Request pCanonical )
|
|
{
|
|
DWORD cbUnpacked = 0;
|
|
LICENSE_STATUS Status = LICENSE_STATUS_OK;
|
|
PPreamble pHeader;
|
|
PBYTE pNetwork;
|
|
DWORD cbProcessed = 0;
|
|
|
|
//
|
|
// check the input parameters
|
|
//
|
|
|
|
ASSERT( NULL != pbMessage );
|
|
ASSERT( 0 < cbMessage );
|
|
ASSERT( NULL != pCanonical );
|
|
|
|
if( ( NULL == pbMessage ) ||
|
|
( 0 >= cbMessage ) ||
|
|
( NULL == pCanonical ) )
|
|
{
|
|
return( LICENSE_STATUS_INVALID_INPUT );
|
|
}
|
|
|
|
//
|
|
// check the preamble
|
|
//
|
|
|
|
pHeader = ( PPreamble )pbMessage;
|
|
|
|
if( HC_NEW_LICENSE_REQUEST != pHeader->bMsgType )
|
|
{
|
|
#if DBG
|
|
DbgPrint( "UnPackHydraClientNewLicenseRequest: received unexpected message type %c\n", pHeader->bMsgType );
|
|
#endif
|
|
return( LICENSE_STATUS_INVALID_RESPONSE );
|
|
}
|
|
|
|
//
|
|
// do a calculation of the fixed field length
|
|
//
|
|
|
|
cbUnpacked = sizeof( Preamble ) +
|
|
2 * sizeof( DWORD ) +
|
|
LICENSE_RANDOM;
|
|
|
|
ASSERT( pHeader->wMsgSize >= ( WORD )cbUnpacked );
|
|
|
|
//
|
|
// get the new license request structure
|
|
//
|
|
|
|
pNetwork = pbMessage + sizeof( Preamble );
|
|
|
|
memcpy( &pCanonical->dwPrefKeyExchangeAlg, pNetwork, sizeof( DWORD ) );
|
|
pNetwork += sizeof( DWORD );
|
|
|
|
memcpy( &pCanonical->dwPlatformID, pNetwork, sizeof( DWORD ) );
|
|
pNetwork += sizeof( DWORD );
|
|
|
|
memcpy( &pCanonical->ClientRandom, pNetwork, LICENSE_RANDOM );
|
|
pNetwork += LICENSE_RANDOM;
|
|
|
|
Status = GetBinaryBlob( &pCanonical->EncryptedPreMasterSecret, pNetwork, &cbProcessed );
|
|
|
|
if( LICENSE_STATUS_OK != Status )
|
|
{
|
|
return( Status );
|
|
}
|
|
|
|
cbUnpacked += cbProcessed;
|
|
pNetwork += cbProcessed;
|
|
|
|
//
|
|
// we changed the licensing protocol to include the client user and machine
|
|
// name. So to prevent an older client that does not have the user and machine
|
|
// name binary blobs from crashing the server, we add this check for the
|
|
// message length.
|
|
//
|
|
|
|
if( pHeader->wMsgSize <= cbUnpacked )
|
|
{
|
|
#if DBG
|
|
DbgPrint( "UnPackHydraClientNewLicenseRequest: old licensing protocol\n" );
|
|
#endif
|
|
pCanonical->ClientUserName.pBlob = NULL;
|
|
pCanonical->ClientMachineName.pBlob = NULL;
|
|
|
|
//
|
|
// make these 2 fields optional for now.
|
|
//
|
|
|
|
return( Status );
|
|
}
|
|
|
|
Status = GetBinaryBlob( &pCanonical->ClientUserName, pNetwork, &cbProcessed );
|
|
|
|
if( LICENSE_STATUS_OK != Status )
|
|
{
|
|
return( Status );
|
|
}
|
|
|
|
cbUnpacked += cbProcessed;
|
|
pNetwork += cbProcessed;
|
|
|
|
Status = GetBinaryBlob( &pCanonical->ClientMachineName, pNetwork, &cbProcessed );
|
|
|
|
if( LICENSE_STATUS_OK != Status )
|
|
{
|
|
return( Status );
|
|
}
|
|
|
|
cbUnpacked += cbProcessed;
|
|
|
|
ASSERT( pHeader->wMsgSize == ( WORD )cbUnpacked );
|
|
|
|
return( Status );
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
LICENSE_STATUS
|
|
UnPackHydraClientPlatformChallengeResponse(
|
|
PBYTE pbMessage,
|
|
DWORD cbMessage,
|
|
PHydra_Client_Platform_Challenge_Response pCanonical )
|
|
{
|
|
DWORD cbUnpacked = 0;
|
|
LICENSE_STATUS Status = LICENSE_STATUS_OK;
|
|
PPreamble pHeader;
|
|
PBYTE pNetwork;
|
|
DWORD cbProcessed = 0;
|
|
|
|
//
|
|
// check the input parameters
|
|
//
|
|
|
|
ASSERT( NULL != pbMessage );
|
|
ASSERT( 0 < cbMessage );
|
|
ASSERT( NULL != pCanonical );
|
|
|
|
if( ( NULL == pbMessage ) ||
|
|
( 0 >= cbMessage ) ||
|
|
( NULL == pCanonical ) )
|
|
{
|
|
return( LICENSE_STATUS_INVALID_INPUT );
|
|
}
|
|
|
|
//
|
|
// check the preamble
|
|
//
|
|
|
|
pHeader = ( PPreamble )pbMessage;
|
|
|
|
if( HC_PLATFORM_CHALENGE_RESPONSE != pHeader->bMsgType )
|
|
{
|
|
#if DBG
|
|
DbgPrint( "UnPackHydraClientPlatformChallengeResponse: received unexpected message type %c\n", pHeader->bMsgType );
|
|
#endif
|
|
return( LICENSE_STATUS_INVALID_RESPONSE );
|
|
}
|
|
|
|
//
|
|
// do a calculation of the fixed field length
|
|
//
|
|
|
|
cbUnpacked = sizeof( Preamble ) +
|
|
LICENSE_MAC_DATA;
|
|
|
|
ASSERT( pHeader->wMsgSize >= ( WORD )cbUnpacked );
|
|
|
|
//
|
|
// get the platform challenge response structure
|
|
//
|
|
|
|
pNetwork = pbMessage + sizeof( Preamble );
|
|
|
|
Status = GetBinaryBlob( &pCanonical->EncryptedChallengeResponse, pNetwork, &cbProcessed );
|
|
|
|
if( LICENSE_STATUS_OK != Status )
|
|
{
|
|
return( Status );
|
|
}
|
|
|
|
pNetwork += cbProcessed;
|
|
cbUnpacked += cbProcessed;
|
|
|
|
Status = GetBinaryBlob( &pCanonical->EncryptedHWID, pNetwork, &cbProcessed );
|
|
|
|
if( LICENSE_STATUS_OK != Status )
|
|
{
|
|
return( Status );
|
|
}
|
|
|
|
pNetwork += cbProcessed;
|
|
cbUnpacked += cbProcessed;
|
|
|
|
memcpy( pCanonical->MACData, pNetwork, LICENSE_MAC_DATA );
|
|
|
|
ASSERT( pHeader->wMsgSize == ( WORD )cbUnpacked );
|
|
|
|
return( Status );
|
|
}
|
|
|