codverify.cpp
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- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: codverify.cpp,v 1.2.32.3 2004/07/09 01:43:33 hubbe Exp $
- *
- * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file,
- * are subject to the current version of the RealNetworks Public
- * Source License (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the current version of the RealNetworks Community
- * Source License (the "RCSL") available at
- * http://www.helixcommunity.org/content/rcsl, in which case the RCSL
- * will apply. You may also obtain the license terms directly from
- * RealNetworks. You may not use this file except in compliance with
- * the RPSL or, if you have a valid RCSL with RealNetworks applicable
- * to this file, the RCSL. Please see the applicable RPSL or RCSL for
- * the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL") in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your version of
- * this file only under the terms of the GPL, and not to allow others
- * to use your version of this file under the terms of either the RPSL
- * or RCSL, indicate your decision by deleting the provisions above
- * and replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient may
- * use your version of this file under the terms of any one of the
- * RPSL, the RCSL or the GPL.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the
- * portions it created.
- *
- * This file, and the files included with this file, is distributed
- * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY
- * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS
- * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET
- * ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #if defined( _WIN32 ) || defined( _WINDOWS )
- #include <hxtypes.h>
- #include <windows.h>
- #include <windowsx.h>
- #ifndef _WIN32
- #include <ver.h>
- #endif
- #endif
- #include <stdlib.h>
- #include <string.h>
- #if defined( _WIN32 ) || defined( _WINDOWS )
- #ifndef _WINCE
- #include <dos.h>
- #include "hxloader.h"
- #include <io.h>
- #endif
- #endif
- #include "hxassert.h"
- #include "safestring.h"
- #include "codverify.h"
- #include "hlxosstr.h"
- BOOL DoesCodecFileExist(const char * DecDllPath)
- {
- #if defined(_STATICALLY_LINKED)
- return TRUE;
- #else
- BOOL Exist = FALSE;
- #ifndef _WINCE
- INT32 findhandle;
- struct _finddata_t fileinfo;
- if (-1 != (findhandle = _findfirst( (char*)DecDllPath, &fileinfo )))
- Exist = TRUE;
- _findclose( findhandle );
- #else
-
- if (GetFileAttributes(OS_STRING(DecDllPath)) != 0xffffffff)
- Exist=TRUE;
- #endif
- return Exist;
- #endif /* #if defined(_STATICALLY_LINKED) */
- }
- BOOL VerifyCodecFile(const char * DecDllPath)
- {
- #if defined(_STATICALLY_LINKED)
- return TRUE;
- #else
- #if !defined(_WINCE)
- //
- // Can return:
- // Success- TRUE
- // Fail- FALSE The file is NOT a codec, blow it off but no error occurs.
- //
- LPCSTR lpstrVffInfo = NULL; // Pointer to block to hold resource
- ULONG32 dwVerHnd;
- ULONG32 dwVerInfoSize;
- char* pLibType = NULL;
- BOOL bIsCodec = FALSE;
- dwVerInfoSize = GetFileVersionInfoSize( (char*) DecDllPath, &dwVerHnd );
- if(dwVerInfoSize)
- {
- lpstrVffInfo = (LPCSTR)GlobalAllocPtr( GMEM_MOVEABLE, dwVerInfoSize );
- if (lpstrVffInfo)
- {
- if(!GetFileVersionInfo( (char*) DecDllPath, dwVerHnd, dwVerInfoSize, (LPVOID)lpstrVffInfo ))
- lpstrVffInfo = NULL;
- }
- }
- if (lpstrVffInfo)
- {
- char szGetName[_MAX_PATH]; /* Flawfinder: ignore */
- BOOL bRetCode;
- LPSTR lpVersion;
- ULONG32 dwVersionLen;
- SafeStrCpy( szGetName, "\VarFileInfo\Translation", _MAX_PATH);
- bRetCode = RAVerQueryValue( lpstrVffInfo, (LPSTR)szGetName,
- (void FAR* FAR*)&lpVersion, &dwVersionLen );
- char TransNumber[10]; /* Flawfinder: ignore */
- SafeSprintf(TransNumber, 10, "%8lx", *(INT32 *)lpVersion);
- char * pSpace = strchr(TransNumber, ' ');
- while(pSpace)
- {
- *pSpace = '0';
- pSpace = strchr(TransNumber, ' ');
- }
- SafeStrCpy(szGetName, "\StringFileInfo\", _MAX_PATH);
- SafeStrCat(szGetName, TransNumber + 4, _MAX_PATH);
- TransNumber[4] = 0;
- SafeStrCat(szGetName, TransNumber, _MAX_PATH);
- SafeStrCat(szGetName, "\LibraryType", _MAX_PATH);
- //lstrcpy(szGetName, "\StringFileInfo\040904b0\LibraryType");
- bRetCode = RAVerQueryValue( lpstrVffInfo, (LPSTR)szGetName,
- (void FAR* FAR*)&lpVersion, &dwVersionLen );
- if (bRetCode && dwVersionLen && lpVersion)
- {
- pLibType = new char[dwVersionLen + 1];
- memcpy(pLibType, lpVersion, HX_SAFESIZE_T(dwVersionLen)); /* Flawfinder: ignore */
- pLibType[ dwVersionLen ] = 0;
- }
- {
- // The win32 case
- GlobalFreePtr( lpstrVffInfo );
- }
- }
- if(pLibType)
- {
- if (strcmp(pLibType, "RACodecHelper") == 0)
- bIsCodec = TRUE;
- delete [] pLibType;
- }
- return bIsCodec;
- #else /* #if !defined(_WINCE) */
- return TRUE;
- #endif
- #endif /* #if defined(_STATICALLY_LINKED) */
- }