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564 lines
17 KiB
C
564 lines
17 KiB
C
/*
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* Implementation of VERSION.DLL - File Installer routines
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*
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* Copyright 1996,1997 Marcus Meissner
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* Copyright 1997 David Cuthbert
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winver.h"
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#include "winnls.h"
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#include "wine/unicode.h"
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#include "winerror.h"
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#include "lzexpand.h"
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#include "debugtools.h"
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DEFAULT_DEBUG_CHANNEL(ver);
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/******************************************************************************
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* testFileExistenceA
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*
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* Tests whether a given path/file combination exists. If the file does
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* not exist, the return value is zero. If it does exist, the return
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* value is non-zero.
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*
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* Revision history
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* 30-May-1997 Dave Cuthbert (dacut@ece.cmu.edu)
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* Original implementation
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*
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*/
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static int testFileExistenceA( char const * path, char const * file, BOOL excl )
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{
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char filename[1024];
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int filenamelen;
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OFSTRUCT fileinfo;
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fileinfo.cBytes = sizeof(OFSTRUCT);
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strcpy(filename, path);
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filenamelen = strlen(filename);
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/* Add a trailing \ if necessary */
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if(filenamelen) {
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if(filename[filenamelen - 1] != '\\')
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strcat(filename, "\\");
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}
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else /* specify the current directory */
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strcpy(filename, ".\\");
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/* Create the full pathname */
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strcat(filename, file);
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return (OpenFile(filename, &fileinfo,
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OF_EXIST | (excl ? OF_SHARE_EXCLUSIVE : 0)) != HFILE_ERROR);
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}
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/******************************************************************************
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* testFileExistenceW
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*/
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static int testFileExistenceW( const WCHAR *path, const WCHAR *file, BOOL excl )
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{
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char *filename;
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DWORD pathlen, filelen;
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int ret;
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OFSTRUCT fileinfo;
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fileinfo.cBytes = sizeof(OFSTRUCT);
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pathlen = WideCharToMultiByte( CP_ACP, 0, path, -1, NULL, 0, NULL, NULL );
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filelen = WideCharToMultiByte( CP_ACP, 0, file, -1, NULL, 0, NULL, NULL );
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filename = HeapAlloc( GetProcessHeap(), 0, pathlen+filelen+2 );
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WideCharToMultiByte( CP_ACP, 0, path, -1, filename, pathlen, NULL, NULL );
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/* Add a trailing \ if necessary */
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if (pathlen > 1)
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{
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if (filename[pathlen-2] != '\\') strcpy( &filename[pathlen-1], "\\" );
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}
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else /* specify the current directory */
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strcpy(filename, ".\\");
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WideCharToMultiByte( CP_ACP, 0, file, -1, filename+strlen(filename), filelen, NULL, NULL );
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ret = (OpenFile(filename, &fileinfo,
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OF_EXIST | (excl ? OF_SHARE_EXCLUSIVE : 0)) != HFILE_ERROR);
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HeapFree( GetProcessHeap(), 0, filename );
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return ret;
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}
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/*****************************************************************************
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* VerFindFileA [VERSION.@]
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*
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* Determines where to install a file based on whether it locates another
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* version of the file in the system. The values VerFindFile returns are
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* used in a subsequent call to the VerInstallFile function.
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*
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* Revision history:
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* 30-May-1997 Dave Cuthbert (dacut@ece.cmu.edu)
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* Reimplementation of VerFindFile from original stub.
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*/
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DWORD WINAPI VerFindFileA(
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UINT flags,
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LPCSTR lpszFilename,
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LPCSTR lpszWinDir,
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LPCSTR lpszAppDir,
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LPSTR lpszCurDir,
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UINT *lpuCurDirLen,
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LPSTR lpszDestDir,
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UINT *lpuDestDirLen )
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{
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DWORD retval = 0;
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const char *curDir;
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const char *destDir;
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unsigned int curDirSizeReq;
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unsigned int destDirSizeReq;
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char systemDir[MAX_PATH];
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/* Print out debugging information */
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TRACE("flags = %x filename=%s windir=%s appdir=%s curdirlen=%p(%u) destdirlen=%p(%u)\n",
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flags, debugstr_a(lpszFilename), debugstr_a(lpszWinDir), debugstr_a(lpszAppDir),
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lpuCurDirLen, lpuCurDirLen ? *lpuCurDirLen : 0,
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lpuDestDirLen, lpuDestDirLen ? *lpuDestDirLen : 0 );
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/* Figure out where the file should go; shared files default to the
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system directory */
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GetSystemDirectoryA(systemDir, sizeof(systemDir));
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curDir = "";
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destDir = "";
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if(flags & VFFF_ISSHAREDFILE)
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{
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destDir = systemDir;
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/* Were we given a filename? If so, try to find the file. */
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if(lpszFilename)
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{
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if(testFileExistenceA(destDir, lpszFilename, FALSE)) curDir = destDir;
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else if(lpszAppDir && testFileExistenceA(lpszAppDir, lpszFilename, FALSE))
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{
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curDir = lpszAppDir;
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retval |= VFF_CURNEDEST;
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}
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}
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}
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else /* not a shared file */
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{
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if(lpszAppDir)
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{
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destDir = lpszAppDir;
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if(lpszFilename)
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{
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if(testFileExistenceA(destDir, lpszFilename, FALSE)) curDir = destDir;
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else if(testFileExistenceA(systemDir, lpszFilename, FALSE))
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{
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curDir = systemDir;
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retval |= VFF_CURNEDEST;
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}
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}
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}
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}
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if (lpszFilename && !testFileExistenceA(curDir, lpszFilename, TRUE))
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retval |= VFF_FILEINUSE;
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curDirSizeReq = strlen(curDir) + 1;
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destDirSizeReq = strlen(destDir) + 1;
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/* Make sure that the pointers to the size of the buffers are
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valid; if not, do NOTHING with that buffer. If that pointer
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is valid, then make sure that the buffer pointer is valid, too! */
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if(lpuDestDirLen && lpszDestDir)
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{
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if (*lpuDestDirLen < destDirSizeReq) retval |= VFF_BUFFTOOSMALL;
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lstrcpynA(lpszDestDir, destDir, *lpuDestDirLen);
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*lpuDestDirLen = destDirSizeReq;
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}
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if(lpuCurDirLen && lpszCurDir)
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{
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if(*lpuCurDirLen < curDirSizeReq) retval |= VFF_BUFFTOOSMALL;
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lstrcpynA(lpszCurDir, curDir, *lpuCurDirLen);
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*lpuCurDirLen = curDirSizeReq;
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}
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TRACE("ret = %lu (%s%s%s) curdir=%s destdir=%s\n", retval,
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(retval & VFF_CURNEDEST) ? "VFF_CURNEDEST " : "",
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(retval & VFF_FILEINUSE) ? "VFF_FILEINUSE " : "",
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(retval & VFF_BUFFTOOSMALL) ? "VFF_BUFFTOOSMALL " : "",
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debugstr_a(lpszCurDir), debugstr_a(lpszDestDir));
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return retval;
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}
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/*****************************************************************************
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* VerFindFileW [VERSION.@]
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*/
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DWORD WINAPI VerFindFileW( UINT flags,LPCWSTR lpszFilename,LPCWSTR lpszWinDir,
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LPCWSTR lpszAppDir, LPWSTR lpszCurDir,UINT *lpuCurDirLen,
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LPWSTR lpszDestDir,UINT *lpuDestDirLen )
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{
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static const WCHAR emptyW;
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DWORD retval = 0;
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const WCHAR *curDir;
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const WCHAR *destDir;
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unsigned int curDirSizeReq;
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unsigned int destDirSizeReq;
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WCHAR systemDir[MAX_PATH];
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/* Print out debugging information */
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TRACE("flags = %x filename=%s windir=%s appdir=%s curdirlen=%p(%u) destdirlen=%p(%u)\n",
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flags, debugstr_w(lpszFilename), debugstr_w(lpszWinDir), debugstr_w(lpszAppDir),
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lpuCurDirLen, lpuCurDirLen ? *lpuCurDirLen : 0,
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lpuDestDirLen, lpuDestDirLen ? *lpuDestDirLen : 0 );
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/* Figure out where the file should go; shared files default to the
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system directory */
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GetSystemDirectoryW(systemDir, sizeof(systemDir)/sizeof(WCHAR));
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curDir = &emptyW;
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destDir = &emptyW;
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if(flags & VFFF_ISSHAREDFILE)
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{
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destDir = systemDir;
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/* Were we given a filename? If so, try to find the file. */
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if(lpszFilename)
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{
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if(testFileExistenceW(destDir, lpszFilename, FALSE)) curDir = destDir;
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else if(lpszAppDir && testFileExistenceW(lpszAppDir, lpszFilename, FALSE))
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{
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curDir = lpszAppDir;
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retval |= VFF_CURNEDEST;
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}
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}
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}
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else /* not a shared file */
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{
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if(lpszAppDir)
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{
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destDir = lpszAppDir;
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if(lpszFilename)
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{
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if(testFileExistenceW(destDir, lpszFilename, FALSE)) curDir = destDir;
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else if(testFileExistenceW(systemDir, lpszFilename, FALSE))
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{
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curDir = systemDir;
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retval |= VFF_CURNEDEST;
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}
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}
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}
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}
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if (lpszFilename && !testFileExistenceW(curDir, lpszFilename, TRUE))
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retval |= VFF_FILEINUSE;
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curDirSizeReq = strlenW(curDir) + 1;
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destDirSizeReq = strlenW(destDir) + 1;
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/* Make sure that the pointers to the size of the buffers are
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valid; if not, do NOTHING with that buffer. If that pointer
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is valid, then make sure that the buffer pointer is valid, too! */
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if(lpuDestDirLen && lpszDestDir)
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{
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if (*lpuDestDirLen < destDirSizeReq) retval |= VFF_BUFFTOOSMALL;
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lstrcpynW(lpszDestDir, destDir, *lpuDestDirLen);
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*lpuDestDirLen = destDirSizeReq;
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}
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if(lpuCurDirLen && lpszCurDir)
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{
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if(*lpuCurDirLen < curDirSizeReq) retval |= VFF_BUFFTOOSMALL;
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lstrcpynW(lpszCurDir, curDir, *lpuCurDirLen);
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*lpuCurDirLen = curDirSizeReq;
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}
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TRACE("ret = %lu (%s%s%s) curdir=%s destdir=%s\n", retval,
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(retval & VFF_CURNEDEST) ? "VFF_CURNEDEST " : "",
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(retval & VFF_FILEINUSE) ? "VFF_FILEINUSE " : "",
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(retval & VFF_BUFFTOOSMALL) ? "VFF_BUFFTOOSMALL " : "",
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debugstr_w(lpszCurDir), debugstr_w(lpszDestDir));
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return retval;
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}
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static LPBYTE
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_fetch_versioninfo(LPSTR fn,VS_FIXEDFILEINFO **vffi) {
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DWORD alloclen;
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LPBYTE buf;
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DWORD ret;
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alloclen = 1000;
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buf=HeapAlloc(GetProcessHeap(), 0, alloclen);
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if(buf == NULL) {
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WARN("Memory exausted while fetching version info!\n");
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return NULL;
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}
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while (1) {
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ret = GetFileVersionInfoA(fn,0,alloclen,buf);
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if (!ret) {
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HeapFree(GetProcessHeap(), 0, buf);
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return NULL;
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}
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if (alloclen<*(WORD*)buf) {
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alloclen = *(WORD*)buf;
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HeapFree(GetProcessHeap(), 0, buf);
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buf = HeapAlloc(GetProcessHeap(), 0, alloclen);
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if(buf == NULL) {
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WARN("Memory exausted while fetching version info!\n");
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return NULL;
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}
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} else {
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*vffi = (VS_FIXEDFILEINFO*)(buf+0x14);
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if ((*vffi)->dwSignature == 0x004f0049) /* hack to detect unicode */
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*vffi = (VS_FIXEDFILEINFO*)(buf+0x28);
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if ((*vffi)->dwSignature != VS_FFI_SIGNATURE)
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WARN("Bad VS_FIXEDFILEINFO signature 0x%08lx\n",(*vffi)->dwSignature);
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return buf;
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}
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}
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}
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static DWORD
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_error2vif(DWORD error) {
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switch (error) {
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case ERROR_ACCESS_DENIED:
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return VIF_ACCESSVIOLATION;
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case ERROR_SHARING_VIOLATION:
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return VIF_SHARINGVIOLATION;
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default:
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return 0;
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}
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}
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/******************************************************************************
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* VerInstallFileA [VERSION.@]
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*/
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DWORD WINAPI VerInstallFileA(
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UINT flags,LPCSTR srcfilename,LPCSTR destfilename,LPCSTR srcdir,
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LPCSTR destdir,LPCSTR curdir,LPSTR tmpfile,UINT *tmpfilelen )
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{
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LPCSTR pdest;
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char destfn[260],tmpfn[260],srcfn[260];
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HFILE hfsrc,hfdst;
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DWORD attr,ret,xret,tmplast;
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LPBYTE buf1,buf2;
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OFSTRUCT ofs;
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TRACE("(%x,%s,%s,%s,%s,%s,%p,%d)\n",
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flags,srcfilename,destfilename,srcdir,destdir,curdir,tmpfile,*tmpfilelen
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);
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xret = 0;
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sprintf(srcfn,"%s\\%s",srcdir,srcfilename);
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if (!destdir || !*destdir) pdest = srcdir;
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else pdest = destdir;
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sprintf(destfn,"%s\\%s",pdest,destfilename);
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hfsrc=LZOpenFileA(srcfn,&ofs,OF_READ);
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if (hfsrc < 0)
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return VIF_CANNOTREADSRC;
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sprintf(tmpfn,"%s\\%s",pdest,destfilename);
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tmplast=strlen(pdest)+1;
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attr = GetFileAttributesA(tmpfn);
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if (attr!=-1) {
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if (attr & FILE_ATTRIBUTE_READONLY) {
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LZClose(hfsrc);
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return VIF_WRITEPROT;
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}
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/* FIXME: check if file currently in use and return VIF_FILEINUSE */
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}
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attr = -1;
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if (flags & VIFF_FORCEINSTALL) {
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if (tmpfile[0]) {
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sprintf(tmpfn,"%s\\%s",pdest,tmpfile);
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tmplast = strlen(pdest)+1;
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attr = GetFileAttributesA(tmpfn);
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/* if it exists, it has been copied by the call before.
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* we jump over the copy part...
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*/
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}
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}
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if (attr == -1) {
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char *s;
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GetTempFileNameA(pdest,"ver",0,tmpfn); /* should not fail ... */
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s=strrchr(tmpfn,'\\');
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if (s)
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tmplast = s-tmpfn;
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else
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tmplast = 0;
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hfdst = OpenFile(tmpfn,&ofs,OF_CREATE);
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if (hfdst == HFILE_ERROR) {
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LZClose(hfsrc);
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return VIF_CANNOTCREATE; /* | translated dos error */
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}
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ret = LZCopy(hfsrc,hfdst);
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_lclose(hfdst);
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if (((long) ret) < 0) {
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/* translate LZ errors into VIF_xxx */
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switch (ret) {
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case LZERROR_BADINHANDLE:
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case LZERROR_READ:
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case LZERROR_BADVALUE:
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case LZERROR_UNKNOWNALG:
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ret = VIF_CANNOTREADSRC;
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break;
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case LZERROR_BADOUTHANDLE:
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case LZERROR_WRITE:
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ret = VIF_OUTOFSPACE;
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break;
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case LZERROR_GLOBALLOC:
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case LZERROR_GLOBLOCK:
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ret = VIF_OUTOFMEMORY;
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break;
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default: /* unknown error, should not happen */
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ret = 0;
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break;
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}
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if (ret) {
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LZClose(hfsrc);
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return ret;
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}
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}
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}
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xret = 0;
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if (!(flags & VIFF_FORCEINSTALL)) {
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VS_FIXEDFILEINFO *destvffi,*tmpvffi;
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buf1 = _fetch_versioninfo(destfn,&destvffi);
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if (buf1) {
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buf2 = _fetch_versioninfo(tmpfn,&tmpvffi);
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if (buf2) {
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char *tbuf1,*tbuf2;
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UINT len1,len2;
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len1=len2=40;
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/* compare file versions */
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if ((destvffi->dwFileVersionMS > tmpvffi->dwFileVersionMS)||
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((destvffi->dwFileVersionMS==tmpvffi->dwFileVersionMS)&&
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(destvffi->dwFileVersionLS > tmpvffi->dwFileVersionLS)
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)
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)
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xret |= VIF_MISMATCH|VIF_SRCOLD;
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/* compare filetypes and filesubtypes */
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if ((destvffi->dwFileType!=tmpvffi->dwFileType) ||
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(destvffi->dwFileSubtype!=tmpvffi->dwFileSubtype)
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)
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xret |= VIF_MISMATCH|VIF_DIFFTYPE;
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if (VerQueryValueA(buf1,"\\VarFileInfo\\Translation",(LPVOID*)&tbuf1,&len1) &&
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VerQueryValueA(buf2,"\\VarFileInfo\\Translation",(LPVOID*)&tbuf2,&len2)
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) {
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/* irgendwas mit tbuf1 und tbuf2 machen
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* generiert DIFFLANG|MISMATCH
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*/
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}
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HeapFree(GetProcessHeap(), 0, buf2);
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} else
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xret=VIF_MISMATCH|VIF_SRCOLD;
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HeapFree(GetProcessHeap(), 0, buf1);
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}
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}
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if (xret) {
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if (*tmpfilelen<strlen(tmpfn+tmplast)) {
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xret|=VIF_BUFFTOOSMALL;
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DeleteFileA(tmpfn);
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} else {
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strcpy(tmpfile,tmpfn+tmplast);
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*tmpfilelen = strlen(tmpfn+tmplast)+1;
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xret|=VIF_TEMPFILE;
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}
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} else {
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if (-1!=GetFileAttributesA(destfn))
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if (!DeleteFileA(destfn)) {
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xret|=_error2vif(GetLastError())|VIF_CANNOTDELETE;
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DeleteFileA(tmpfn);
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LZClose(hfsrc);
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return xret;
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}
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if ((!(flags & VIFF_DONTDELETEOLD)) &&
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curdir &&
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*curdir &&
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lstrcmpiA(curdir,pdest)
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) {
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char curfn[260];
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|
|
sprintf(curfn,"%s\\%s",curdir,destfilename);
|
|
if (-1!=GetFileAttributesA(curfn)) {
|
|
/* FIXME: check if in use ... if it is, VIF_CANNOTDELETECUR */
|
|
if (!DeleteFileA(curfn))
|
|
xret|=_error2vif(GetLastError())|VIF_CANNOTDELETECUR;
|
|
}
|
|
}
|
|
if (!MoveFileA(tmpfn,destfn)) {
|
|
xret|=_error2vif(GetLastError())|VIF_CANNOTRENAME;
|
|
DeleteFileA(tmpfn);
|
|
}
|
|
}
|
|
LZClose(hfsrc);
|
|
return xret;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* VerInstallFileW [VERSION.@]
|
|
*/
|
|
DWORD WINAPI VerInstallFileW(
|
|
UINT flags,LPCWSTR srcfilename,LPCWSTR destfilename,LPCWSTR srcdir,
|
|
LPCWSTR destdir,LPCWSTR curdir,LPWSTR tmpfile,UINT *tmpfilelen )
|
|
{
|
|
LPSTR wsrcf = NULL, wsrcd = NULL, wdestf = NULL, wdestd = NULL, wtmpf = NULL, wcurd = NULL;
|
|
DWORD ret;
|
|
UINT len;
|
|
|
|
if (srcfilename)
|
|
{
|
|
len = WideCharToMultiByte( CP_ACP, 0, srcfilename, -1, NULL, 0, NULL, NULL );
|
|
if ((wsrcf = HeapAlloc( GetProcessHeap(), 0, len )))
|
|
WideCharToMultiByte( CP_ACP, 0, srcfilename, -1, wsrcf, len, NULL, NULL );
|
|
}
|
|
if (srcdir)
|
|
{
|
|
len = WideCharToMultiByte( CP_ACP, 0, srcdir, -1, NULL, 0, NULL, NULL );
|
|
if ((wsrcd = HeapAlloc( GetProcessHeap(), 0, len )))
|
|
WideCharToMultiByte( CP_ACP, 0, srcdir, -1, wsrcd, len, NULL, NULL );
|
|
}
|
|
if (destfilename)
|
|
{
|
|
len = WideCharToMultiByte( CP_ACP, 0, destfilename, -1, NULL, 0, NULL, NULL );
|
|
if ((wdestf = HeapAlloc( GetProcessHeap(), 0, len )))
|
|
WideCharToMultiByte( CP_ACP, 0, destfilename, -1, wdestf, len, NULL, NULL );
|
|
}
|
|
if (destdir)
|
|
{
|
|
len = WideCharToMultiByte( CP_ACP, 0, destdir, -1, NULL, 0, NULL, NULL );
|
|
if ((wdestd = HeapAlloc( GetProcessHeap(), 0, len )))
|
|
WideCharToMultiByte( CP_ACP, 0, destdir, -1, wdestd, len, NULL, NULL );
|
|
}
|
|
if (curdir)
|
|
{
|
|
len = WideCharToMultiByte( CP_ACP, 0, curdir, -1, NULL, 0, NULL, NULL );
|
|
if ((wcurd = HeapAlloc( GetProcessHeap(), 0, len )))
|
|
WideCharToMultiByte( CP_ACP, 0, curdir, -1, wcurd, len, NULL, NULL );
|
|
}
|
|
len = *tmpfilelen * sizeof(WCHAR);
|
|
wtmpf = HeapAlloc( GetProcessHeap(), 0, len );
|
|
ret = VerInstallFileA(flags,wsrcf,wdestf,wsrcd,wdestd,wcurd,wtmpf,&len);
|
|
if (!ret)
|
|
*tmpfilelen = MultiByteToWideChar( CP_ACP, 0, wtmpf, -1, tmpfile, *tmpfilelen );
|
|
else if (ret & VIF_BUFFTOOSMALL)
|
|
*tmpfilelen = len; /* FIXME: not correct */
|
|
|
|
HeapFree( GetProcessHeap(), 0, wsrcf );
|
|
HeapFree( GetProcessHeap(), 0, wsrcd );
|
|
HeapFree( GetProcessHeap(), 0, wdestf );
|
|
HeapFree( GetProcessHeap(), 0, wdestd );
|
|
HeapFree( GetProcessHeap(), 0, wtmpf );
|
|
HeapFree( GetProcessHeap(), 0, wcurd );
|
|
return ret;
|
|
}
|
|
|