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60935ec3e9
wine/dlls/version/install.c
Douglas Ridgway 4d9981846c Fix crash if lpuCurDirLen or lpuDestDirLen==0.
1999-03-17 15:10:40 +00:00

585 lines
16 KiB
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/*
* Implementation of VERSION.DLL - File Installer routines
*
* Copyright 1996,1997 Marcus Meissner
* Copyright 1997 David Cuthbert
*/
#include <stdlib.h>
#include <string.h>
#include "windef.h"
#include "winver.h"
#include "wine/winestring.h"
#include "winerror.h"
#include "heap.h"
#include "ver.h"
#include "lzexpand.h"
#include "xmalloc.h"
#include "debug.h"
/******************************************************************************
*
* void ver_dstring(
* char const * prologue,
* char const * teststring,
* char const * epilogue )
*
* This function will print via dprintf[_]ver to stddeb the prologue string,
* followed by the address of teststring and the string it contains if
* teststring is non-null or "(null)" otherwise, and then the epilogue
* string followed by a new line.
*
* Revision history
* 30-May-1997 Dave Cuthbert (dacut@ece.cmu.edu)
* Original implementation as dprintf[_]ver_string
* 05-Jul-1997 Dave Cuthbert (dacut@ece.cmu.edu)
* Fixed problem that caused bug with tools/make_debug -- renaming
* this function should fix the problem.
* 15-Feb-1998 Dimitrie Paun (dimi@cs.toronto.edu)
* Modified it to make it print the message using only one
* dprintf[_]ver call.
*
*****************************************************************************/
static void ver_dstring(
char const * prologue,
char const * teststring,
char const * epilogue )
{
TRACE(ver, "%s %p (\"%s\") %s\n", prologue,
(void const *) teststring,
teststring ? teststring : "(null)",
epilogue);
}
/******************************************************************************
*
* int testFileExistence(
* char const * path,
* char const * file )
*
* Tests whether a given path/file combination exists. If the file does
* not exist, the return value is zero. If it does exist, the return
* value is non-zero.
*
* Revision history
* 30-May-1997 Dave Cuthbert (dacut@ece.cmu.edu)
* Original implementation
*
*****************************************************************************/
static int testFileExistence(
char const * path,
char const * file )
{
char filename[1024];
int filenamelen;
OFSTRUCT fileinfo;
int retval;
fileinfo.cBytes = sizeof(OFSTRUCT);
strcpy(filename, path);
filenamelen = strlen(filename);
/* Add a trailing \ if necessary */
if(filenamelen) {
if(filename[filenamelen - 1] != '\\')
strcat(filename, "\\");
}
else /* specify the current directory */
strcpy(filename, ".\\");
/* Create the full pathname */
strcat(filename, file);
if(OpenFile(filename, &fileinfo, OF_EXIST) == HFILE_ERROR)
retval = 0;
else
retval = 1;
return retval;
}
/******************************************************************************
*
* int testFileExclusiveExistence(
* char const * path,
* char const * file )
*
* Tests whether a given path/file combination exists and ensures that no
* other programs have handles to the given file. If the file does not
* exist or is open, the return value is zero. If it does exist, the
* return value is non-zero.
*
* Revision history
* 30-May-1997 Dave Cuthbert (dacut@ece.cmu.edu)
* Original implementation
*
*****************************************************************************/
static int testFileExclusiveExistence(
char const * path,
char const * file )
{
char filename[1024];
int filenamelen;
OFSTRUCT fileinfo;
int retval;
fileinfo.cBytes = sizeof(OFSTRUCT);
strcpy(filename, path);
filenamelen = strlen(filename);
/* Add a trailing \ if necessary */
if(filenamelen) {
if(filename[filenamelen - 1] != '\\')
strcat(filename, "\\");
}
else /* specify the current directory */
strcpy(filename, ".\\");
/* Create the full pathname */
strcat(filename, file);
if(OpenFile(filename, &fileinfo, OF_EXIST | OF_SHARE_EXCLUSIVE) ==
HFILE_ERROR)
retval = 0;
else
retval = 1;
return retval;
}
/*****************************************************************************
*
* VerFindFile() [VER.8]
* Determines where to install a file based on whether it locates another
* version of the file in the system. The values VerFindFile returns are
* used in a subsequent call to the VerInstallFile function.
*
* Revision history:
* 30-May-1997 Dave Cuthbert (dacut@ece.cmu.edu)
* Reimplementation of VerFindFile from original stub.
*
****************************************************************************/
/* VerFindFile32A [VERSION.5] */
DWORD WINAPI VerFindFileA(
UINT flags,
LPCSTR lpszFilename,
LPCSTR lpszWinDir,
LPCSTR lpszAppDir,
LPSTR lpszCurDir,
UINT *lpuCurDirLen,
LPSTR lpszDestDir,
UINT *lpuDestDirLen )
{
DWORD retval;
char curDir[256];
char destDir[256];
unsigned int curDirSizeReq;
unsigned int destDirSizeReq;
retval = 0;
/* Print out debugging information */
TRACE(ver, "called with parameters:\n"
"\tflags = %x", flags);
if(flags & VFFF_ISSHAREDFILE)
TRACE(ver, " (VFFF_ISSHAREDFILE)\n");
else
TRACE(ver, "\n");
ver_dstring("\tlpszFilename = ", lpszFilename, "");
ver_dstring("\tlpszWinDir = ", lpszWinDir, "");
ver_dstring("\tlpszAppDir = ", lpszAppDir, "");
TRACE(ver, "\tlpszCurDir = %p\n", lpszCurDir);
if(lpuCurDirLen)
TRACE(ver, "\tlpuCurDirLen = %p (%u)\n",
lpuCurDirLen, *lpuCurDirLen);
else
TRACE(ver, "\tlpuCurDirLen = (null)\n");
TRACE(ver, "\tlpszDestDir = %p\n", lpszDestDir);
if(lpuDestDirLen)
TRACE(ver, "\tlpuDestDirLen = %p (%u)\n",
lpuDestDirLen, *lpuDestDirLen);
/* Figure out where the file should go; shared files default to the
system directory */
strcpy(curDir, "");
strcpy(destDir, "");
if(flags & VFFF_ISSHAREDFILE) {
GetSystemDirectoryA(destDir, 256);
/* Were we given a filename? If so, try to find the file. */
if(lpszFilename) {
if(testFileExistence(destDir, lpszFilename)) {
strcpy(curDir, destDir);
if(!testFileExclusiveExistence(destDir, lpszFilename))
retval |= VFF_FILEINUSE;
}
else if(lpszAppDir && testFileExistence(lpszAppDir,
lpszFilename)) {
strcpy(curDir, lpszAppDir);
retval |= VFF_CURNEDEST;
if(!testFileExclusiveExistence(lpszAppDir, lpszFilename))
retval |= VFF_FILEINUSE;
}
}
}
else if(!(flags & VFFF_ISSHAREDFILE)) { /* not a shared file */
if(lpszAppDir) {
char systemDir[256];
GetSystemDirectoryA(systemDir, 256);
strcpy(destDir, lpszAppDir);
if(lpszFilename) {
if(testFileExistence(lpszAppDir, lpszFilename)) {
strcpy(curDir, lpszAppDir);
if(!testFileExclusiveExistence(lpszAppDir, lpszFilename))
retval |= VFF_FILEINUSE;
}
else if(testFileExistence(systemDir, lpszFilename)) {
strcpy(curDir, systemDir);
retval |= VFF_CURNEDEST;
if(!testFileExclusiveExistence(systemDir, lpszFilename))
retval |= VFF_FILEINUSE;
}
}
}
}
curDirSizeReq = strlen(curDir) + 1;
destDirSizeReq = strlen(destDir) + 1;
/* Make sure that the pointers to the size of the buffers are
valid; if not, do NOTHING with that buffer. If that pointer
is valid, then make sure that the buffer pointer is valid, too! */
if(lpuDestDirLen && lpszDestDir) {
if(*lpuDestDirLen < destDirSizeReq) {
retval |= VFF_BUFFTOOSMALL;
if (*lpuDestDirLen) {
strncpy(lpszDestDir, destDir, *lpuDestDirLen - 1);
lpszDestDir[*lpuDestDirLen - 1] = '\0';
}
}
else
strcpy(lpszDestDir, destDir);
*lpuDestDirLen = destDirSizeReq;
}
if(lpuCurDirLen && lpszCurDir) {
if(*lpuCurDirLen < curDirSizeReq) {
retval |= VFF_BUFFTOOSMALL;
if (*lpuCurDirLen) {
strncpy(lpszCurDir, curDir, *lpuCurDirLen - 1);
lpszCurDir[*lpuCurDirLen - 1] = '\0';
}
}
else
strcpy(lpszCurDir, curDir);
*lpuCurDirLen = curDirSizeReq;
}
TRACE(ver, "ret = %lu (%s%s%s)\n", retval,
(retval & VFF_CURNEDEST) ? "VFF_CURNEDEST " : "",
(retval & VFF_FILEINUSE) ? "VFF_FILEINUSE " : "",
(retval & VFF_BUFFTOOSMALL) ? "VFF_BUFFTOOSMALL " : "");
ver_dstring("\t(Exit) lpszCurDir = ", lpszCurDir, "");
if(lpuCurDirLen)
TRACE(ver, "\t(Exit) lpuCurDirLen = %p (%u)\n",
lpuCurDirLen, *lpuCurDirLen);
else
TRACE(ver, "\t(Exit) lpuCurDirLen = (null)\n");
ver_dstring("\t(Exit) lpszDestDir = ", lpszDestDir, "");
if(lpuDestDirLen)
TRACE(ver, "\t(Exit) lpuDestDirLen = %p (%u)\n",
lpuDestDirLen, *lpuDestDirLen);
return retval;
}
/* VerFindFile32W [VERSION.6] */
DWORD WINAPI VerFindFileW(
UINT flags,LPCWSTR filename,LPCWSTR windir,LPCWSTR appdir,
LPWSTR curdir,UINT *pcurdirlen,LPWSTR destdir,UINT *pdestdirlen )
{
UINT curdirlen, destdirlen;
LPSTR wfn,wwd,wad,wdd,wcd;
DWORD ret;
wfn = HEAP_strdupWtoA( GetProcessHeap(), 0, filename );
wwd = HEAP_strdupWtoA( GetProcessHeap(), 0, windir );
wad = HEAP_strdupWtoA( GetProcessHeap(), 0, appdir );
wcd = HeapAlloc( GetProcessHeap(), 0, *pcurdirlen );
wdd = HeapAlloc( GetProcessHeap(), 0, *pdestdirlen );
ret = VerFindFileA(flags,wfn,wwd,wad,wcd,&curdirlen,wdd,&destdirlen);
lstrcpynAtoW(curdir,wcd,*pcurdirlen);
lstrcpynAtoW(destdir,wdd,*pdestdirlen);
*pcurdirlen = strlen(wcd);
*pdestdirlen = strlen(wdd);
HeapFree( GetProcessHeap(), 0, wfn );
HeapFree( GetProcessHeap(), 0, wwd );
HeapFree( GetProcessHeap(), 0, wad );
HeapFree( GetProcessHeap(), 0, wcd );
HeapFree( GetProcessHeap(), 0, wdd );
return ret;
}
static LPBYTE
_fetch_versioninfo(LPSTR fn,VS_FIXEDFILEINFO **vffi) {
DWORD alloclen;
LPBYTE buf;
DWORD ret;
alloclen = 1000;
buf= xmalloc(alloclen);
while (1) {
ret = GetFileVersionInfoA(fn,0,alloclen,buf);
if (!ret) {
free(buf);
return 0;
}
if (alloclen<*(WORD*)buf) {
free(buf);
alloclen = *(WORD*)buf;
buf = xmalloc(alloclen);
} else {
*vffi = (VS_FIXEDFILEINFO*)(buf+0x14);
if ((*vffi)->dwSignature == 0x004f0049) /* hack to detect unicode */
*vffi = (VS_FIXEDFILEINFO*)(buf+0x28);
if ((*vffi)->dwSignature != VS_FFI_SIGNATURE)
WARN(ver,"Bad VS_FIXEDFILEINFO signature 0x%08lx\n",(*vffi)->dwSignature);
return buf;
}
}
}
static DWORD
_error2vif(DWORD error) {
switch (error) {
case ERROR_ACCESS_DENIED:
return VIF_ACCESSVIOLATION;
case ERROR_SHARING_VIOLATION:
return VIF_SHARINGVIOLATION;
default:
return 0;
}
}
/******************************************************************************
* VerInstallFile32A [VERSION.7]
*/
DWORD WINAPI VerInstallFileA(
UINT flags,LPCSTR srcfilename,LPCSTR destfilename,LPCSTR srcdir,
LPCSTR destdir,LPCSTR curdir,LPSTR tmpfile,UINT *tmpfilelen )
{
LPCSTR pdest;
char destfn[260],tmpfn[260],srcfn[260];
HFILE hfsrc,hfdst;
DWORD attr,ret,xret,tmplast;
LPBYTE buf1,buf2;
OFSTRUCT ofs;
TRACE(ver,"(%x,%s,%s,%s,%s,%s,%p,%d)\n",
flags,srcfilename,destfilename,srcdir,destdir,curdir,tmpfile,*tmpfilelen
);
xret = 0;
sprintf(srcfn,"%s\\%s",srcdir,srcfilename);
if (!destdir || !*destdir) pdest = srcdir;
else pdest = destdir;
sprintf(destfn,"%s\\%s",pdest,destfilename);
hfsrc=LZOpenFileA(srcfn,&ofs,OF_READ);
if (hfsrc==HFILE_ERROR)
return VIF_CANNOTREADSRC;
sprintf(tmpfn,"%s\\%s",pdest,destfilename);
tmplast=strlen(pdest)+1;
attr = GetFileAttributesA(tmpfn);
if (attr!=-1) {
if (attr & FILE_ATTRIBUTE_READONLY) {
LZClose(hfsrc);
return VIF_WRITEPROT;
}
/* FIXME: check if file currently in use and return VIF_FILEINUSE */
}
attr = -1;
if (flags & VIFF_FORCEINSTALL) {
if (tmpfile[0]) {
sprintf(tmpfn,"%s\\%s",pdest,tmpfile);
tmplast = strlen(pdest)+1;
attr = GetFileAttributesA(tmpfn);
/* if it exists, it has been copied by the call before.
* we jump over the copy part...
*/
}
}
if (attr == -1) {
char *s;
GetTempFileNameA(pdest,"ver",0,tmpfn); /* should not fail ... */
s=strrchr(tmpfn,'\\');
if (s)
tmplast = s-tmpfn;
else
tmplast = 0;
hfdst = OpenFile(tmpfn,&ofs,OF_CREATE);
if (hfdst == HFILE_ERROR) {
LZClose(hfsrc);
return VIF_CANNOTCREATE; /* | translated dos error */
}
ret = LZCopy(hfsrc,hfdst);
_lclose(hfdst);
if (((long) ret) < 0) {
/* translate LZ errors into VIF_xxx */
switch (ret) {
case LZERROR_BADINHANDLE:
case LZERROR_READ:
case LZERROR_BADVALUE:
case LZERROR_UNKNOWNALG:
ret = VIF_CANNOTREADSRC;
break;
case LZERROR_BADOUTHANDLE:
case LZERROR_WRITE:
ret = VIF_OUTOFMEMORY; /* FIXME: correct? */
break;
case LZERROR_GLOBALLOC:
case LZERROR_GLOBLOCK:
ret = VIF_OUTOFSPACE;
break;
default: /* unknown error, should not happen */
ret = 0;
break;
}
if (ret) {
LZClose(hfsrc);
return ret;
}
}
}
xret = 0;
if (!(flags & VIFF_FORCEINSTALL)) {
VS_FIXEDFILEINFO *destvffi,*tmpvffi;
buf1 = _fetch_versioninfo(destfn,&destvffi);
if (buf1) {
buf2 = _fetch_versioninfo(tmpfn,&tmpvffi);
if (buf2) {
char *tbuf1,*tbuf2;
UINT len1,len2;
len1=len2=40;
/* compare file versions */
if ((destvffi->dwFileVersionMS > tmpvffi->dwFileVersionMS)||
((destvffi->dwFileVersionMS==tmpvffi->dwFileVersionMS)&&
(destvffi->dwFileVersionLS > tmpvffi->dwFileVersionLS)
)
)
xret |= VIF_MISMATCH|VIF_SRCOLD;
/* compare filetypes and filesubtypes */
if ((destvffi->dwFileType!=tmpvffi->dwFileType) ||
(destvffi->dwFileSubtype!=tmpvffi->dwFileSubtype)
)
xret |= VIF_MISMATCH|VIF_DIFFTYPE;
if (VerQueryValueA(buf1,"\\VarFileInfo\\Translation",(LPVOID*)&tbuf1,&len1) &&
VerQueryValueA(buf2,"\\VarFileInfo\\Translation",(LPVOID*)&tbuf2,&len2)
) {
/* irgendwas mit tbuf1 und tbuf2 machen
* generiert DIFFLANG|MISMATCH
*/
}
free(buf2);
} else
xret=VIF_MISMATCH|VIF_SRCOLD;
free(buf1);
}
}
if (xret) {
if (*tmpfilelen<strlen(tmpfn+tmplast)) {
xret|=VIF_BUFFTOOSMALL;
DeleteFileA(tmpfn);
} else {
strcpy(tmpfile,tmpfn+tmplast);
*tmpfilelen = strlen(tmpfn+tmplast)+1;
xret|=VIF_TEMPFILE;
}
} else {
if (-1!=GetFileAttributesA(destfn))
if (!DeleteFileA(destfn)) {
xret|=_error2vif(GetLastError())|VIF_CANNOTDELETE;
DeleteFileA(tmpfn);
LZClose(hfsrc);
return xret;
}
if ((!(flags & VIFF_DONTDELETEOLD)) &&
curdir &&
*curdir &&
lstrcmpiA(curdir,pdest)
) {
char curfn[260];
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;
}
/* VerInstallFile32W [VERSION.8] */
DWORD WINAPI VerInstallFileW(
UINT flags,LPCWSTR srcfilename,LPCWSTR destfilename,LPCWSTR srcdir,
LPCWSTR destdir,LPCWSTR curdir,LPWSTR tmpfile,UINT *tmpfilelen )
{
LPSTR wsrcf,wsrcd,wdestf,wdestd,wtmpf,wcurd;
DWORD ret;
wsrcf = HEAP_strdupWtoA( GetProcessHeap(), 0, srcfilename );
wsrcd = HEAP_strdupWtoA( GetProcessHeap(), 0, srcdir );
wdestf = HEAP_strdupWtoA( GetProcessHeap(), 0, destfilename );
wdestd = HEAP_strdupWtoA( GetProcessHeap(), 0, destdir );
wtmpf = HEAP_strdupWtoA( GetProcessHeap(), 0, tmpfile );
wcurd = HEAP_strdupWtoA( GetProcessHeap(), 0, curdir );
ret = VerInstallFileA(flags,wsrcf,wdestf,wsrcd,wdestd,wcurd,wtmpf,tmpfilelen);
if (!ret)
lstrcpynAtoW(tmpfile,wtmpf,*tmpfilelen);
HeapFree( GetProcessHeap(), 0, wsrcf );
HeapFree( GetProcessHeap(), 0, wsrcd );
HeapFree( GetProcessHeap(), 0, wdestf );
HeapFree( GetProcessHeap(), 0, wdestd );
HeapFree( GetProcessHeap(), 0, wtmpf );
if (wcurd)
HeapFree( GetProcessHeap(), 0, wcurd );
return ret;
}
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