version.c 53.1 KB
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/*
 * Implementation of VERSION.DLL
 *
 * Copyright 1996,1997 Marcus Meissner
 * Copyright 1997 David Cuthbert
 * Copyright 1999 Ulrich Weigand
 * Copyright 2005 Paul Vriens
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 *
 */
#include "config.h"

#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>

#include <sys/types.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif

#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "windef.h"
#include "winbase.h"
#include "winver.h"
#include "winuser.h"
#include "winnls.h"
#include "winternl.h"
#include "lzexpand.h"
#include "wine/unicode.h"
#include "winerror.h"
#include "wine/debug.h"


WINE_DEFAULT_DEBUG_CHANNEL(ver);

typedef struct
{
    WORD offset;
    WORD length;
    WORD flags;
    WORD id;
    WORD handle;
    WORD usage;
} NE_NAMEINFO;

typedef struct
{
    WORD  type_id;
    WORD  count;
    DWORD resloader;
} NE_TYPEINFO;

/**********************************************************************
 *  find_entry_by_id
 *
 * Find an entry by id in a resource directory
 * Copied from loader/pe_resource.c
 */
static const IMAGE_RESOURCE_DIRECTORY *find_entry_by_id( const IMAGE_RESOURCE_DIRECTORY *dir,
                                                         WORD id, const void *root )
{
    const IMAGE_RESOURCE_DIRECTORY_ENTRY *entry;
    int min, max, pos;

    entry = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
    min = dir->NumberOfNamedEntries;
    max = min + dir->NumberOfIdEntries - 1;
    while (min <= max)
    {
        pos = (min + max) / 2;
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        if (entry[pos].u.Id == id)
            return (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + entry[pos].u2.s2.OffsetToDirectory);
        if (entry[pos].u.Id > id) max = pos - 1;
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        else min = pos + 1;
    }
    return NULL;
}


/**********************************************************************
 *  find_entry_default
 *
 * Find a default entry in a resource directory
 * Copied from loader/pe_resource.c
 */
static const IMAGE_RESOURCE_DIRECTORY *find_entry_default( const IMAGE_RESOURCE_DIRECTORY *dir,
                                                           const void *root )
{
    const IMAGE_RESOURCE_DIRECTORY_ENTRY *entry;

    entry = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
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    return (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + entry->u2.s2.OffsetToDirectory);
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}


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/**********************************************************************
 *  push_language
 *
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 * push a language onto the list of languages to try
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 */
static inline int push_language( WORD *list, int pos, WORD lang )
{
    int i;
    for (i = 0; i < pos; i++) if (list[i] == lang) return pos;
    list[pos++] = lang;
    return pos;
}


/**********************************************************************
 *  find_entry_language
 */
static const IMAGE_RESOURCE_DIRECTORY *find_entry_language( const IMAGE_RESOURCE_DIRECTORY *dir,
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                                                            const void *root, DWORD flags )
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{
    const IMAGE_RESOURCE_DIRECTORY *ret;
    WORD list[9];
    int i, pos = 0;

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    if (flags & FILE_VER_GET_LOCALISED)
    {
        /* cf. LdrFindResource_U */
        pos = push_language( list, pos, MAKELANGID( LANG_NEUTRAL, SUBLANG_NEUTRAL ) );
        pos = push_language( list, pos, LANGIDFROMLCID( NtCurrentTeb()->CurrentLocale ) );
        pos = push_language( list, pos, GetUserDefaultLangID() );
        pos = push_language( list, pos, MAKELANGID( PRIMARYLANGID(GetUserDefaultLangID()), SUBLANG_NEUTRAL ));
        pos = push_language( list, pos, MAKELANGID( PRIMARYLANGID(GetUserDefaultLangID()), SUBLANG_DEFAULT ));
        pos = push_language( list, pos, GetSystemDefaultLangID() );
        pos = push_language( list, pos, MAKELANGID( PRIMARYLANGID(GetSystemDefaultLangID()), SUBLANG_NEUTRAL ));
        pos = push_language( list, pos, MAKELANGID( PRIMARYLANGID(GetSystemDefaultLangID()), SUBLANG_DEFAULT ));
        pos = push_language( list, pos, MAKELANGID( LANG_ENGLISH, SUBLANG_DEFAULT ) );
    }
    else
    {
        /* FIXME: resolve LN file here */
        pos = push_language( list, pos, MAKELANGID( LANG_ENGLISH, SUBLANG_DEFAULT ) );
    }
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    for (i = 0; i < pos; i++) if ((ret = find_entry_by_id( dir, list[i], root ))) return ret;
    return find_entry_default( dir, root );
}


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/***********************************************************************
 *           read_xx_header         [internal]
 */
static int read_xx_header( HFILE lzfd )
{
    IMAGE_DOS_HEADER mzh;
    char magic[3];

    LZSeek( lzfd, 0, SEEK_SET );
    if ( sizeof(mzh) != LZRead( lzfd, (LPSTR)&mzh, sizeof(mzh) ) )
        return 0;
    if ( mzh.e_magic != IMAGE_DOS_SIGNATURE )
    {
        if (!memcmp( &mzh, "\177ELF", 4 )) return 1;  /* ELF */
        if (*(UINT *)&mzh == 0xfeedface || *(UINT *)&mzh == 0xcefaedfe) return 1;  /* Mach-O */
        return 0;
    }

    LZSeek( lzfd, mzh.e_lfanew, SEEK_SET );
    if ( 2 != LZRead( lzfd, magic, 2 ) )
        return 0;

    LZSeek( lzfd, mzh.e_lfanew, SEEK_SET );

    if ( magic[0] == 'N' && magic[1] == 'E' )
        return IMAGE_OS2_SIGNATURE;
    if ( magic[0] == 'P' && magic[1] == 'E' )
        return IMAGE_NT_SIGNATURE;

    magic[2] = '\0';
    WARN("Can't handle %s files.\n", magic );
    return 0;
}

/***********************************************************************
 *           find_ne_resource         [internal]
 */
static BOOL find_ne_resource( HFILE lzfd, DWORD *resLen, DWORD *resOff )
{
    const WORD typeid = VS_FILE_INFO | 0x8000;
    const WORD resid = VS_VERSION_INFO | 0x8000;
    IMAGE_OS2_HEADER nehd;
    NE_TYPEINFO *typeInfo;
    NE_NAMEINFO *nameInfo;
    DWORD nehdoffset;
    LPBYTE resTab;
    DWORD resTabSize;
    int count;

    /* Read in NE header */
    nehdoffset = LZSeek( lzfd, 0, SEEK_CUR );
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    if ( sizeof(nehd) != LZRead( lzfd, (LPSTR)&nehd, sizeof(nehd) ) ) return FALSE;
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    resTabSize = nehd.ne_restab - nehd.ne_rsrctab;
    if ( !resTabSize )
    {
        TRACE("No resources in NE dll\n" );
        return FALSE;
    }

    /* Read in resource table */
    resTab = HeapAlloc( GetProcessHeap(), 0, resTabSize );
    if ( !resTab ) return FALSE;

    LZSeek( lzfd, nehd.ne_rsrctab + nehdoffset, SEEK_SET );
    if ( resTabSize != LZRead( lzfd, (char*)resTab, resTabSize ) )
    {
        HeapFree( GetProcessHeap(), 0, resTab );
        return FALSE;
    }

    /* Find resource */
    typeInfo = (NE_TYPEINFO *)(resTab + 2);
    while (typeInfo->type_id)
    {
        if (typeInfo->type_id == typeid) goto found_type;
        typeInfo = (NE_TYPEINFO *)((char *)(typeInfo + 1) +
                                   typeInfo->count * sizeof(NE_NAMEINFO));
    }
    TRACE("No typeid entry found\n" );
    HeapFree( GetProcessHeap(), 0, resTab );
    return FALSE;

 found_type:
    nameInfo = (NE_NAMEINFO *)(typeInfo + 1);

    for (count = typeInfo->count; count > 0; count--, nameInfo++)
        if (nameInfo->id == resid) goto found_name;

    TRACE("No resid entry found\n" );
    HeapFree( GetProcessHeap(), 0, resTab );
    return FALSE;

 found_name:
    /* Return resource data */
    if ( resLen ) *resLen = nameInfo->length << *(WORD *)resTab;
    if ( resOff ) *resOff = nameInfo->offset << *(WORD *)resTab;

    HeapFree( GetProcessHeap(), 0, resTab );
    return TRUE;
}

/***********************************************************************
 *           find_pe_resource         [internal]
 */
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static BOOL find_pe_resource( HFILE lzfd, DWORD *resLen, DWORD *resOff, DWORD flags )
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{
    union
    {
        IMAGE_NT_HEADERS32 nt32;
        IMAGE_NT_HEADERS64 nt64;
    } pehd;
    DWORD pehdoffset;
    PIMAGE_DATA_DIRECTORY resDataDir;
    PIMAGE_SECTION_HEADER sections;
    LPBYTE resSection;
    DWORD section_size, data_size;
    const void *resDir;
    const IMAGE_RESOURCE_DIRECTORY *resPtr;
    const IMAGE_RESOURCE_DATA_ENTRY *resData;
    int i, len, nSections;
    BOOL ret = FALSE;

    /* Read in PE header */
    pehdoffset = LZSeek( lzfd, 0, SEEK_CUR );
    len = LZRead( lzfd, (LPSTR)&pehd, sizeof(pehd) );
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    if (len < sizeof(pehd.nt32.FileHeader)) return FALSE;
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    if (len < sizeof(pehd)) memset( (char *)&pehd + len, 0, sizeof(pehd) - len );

    switch (pehd.nt32.OptionalHeader.Magic)
    {
    case IMAGE_NT_OPTIONAL_HDR32_MAGIC:
        resDataDir = pehd.nt32.OptionalHeader.DataDirectory + IMAGE_DIRECTORY_ENTRY_RESOURCE;
        break;
    case IMAGE_NT_OPTIONAL_HDR64_MAGIC:
        resDataDir = pehd.nt64.OptionalHeader.DataDirectory + IMAGE_DIRECTORY_ENTRY_RESOURCE;
        break;
    default:
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        return FALSE;
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    }

    if ( !resDataDir->Size )
    {
        TRACE("No resources in PE dll\n" );
        return FALSE;
    }

    /* Read in section table */
    nSections = pehd.nt32.FileHeader.NumberOfSections;
    sections = HeapAlloc( GetProcessHeap(), 0,
                          nSections * sizeof(IMAGE_SECTION_HEADER) );
    if ( !sections ) return FALSE;

    len = FIELD_OFFSET( IMAGE_NT_HEADERS32, OptionalHeader ) + pehd.nt32.FileHeader.SizeOfOptionalHeader;
    LZSeek( lzfd, pehdoffset + len, SEEK_SET );

    if ( nSections * sizeof(IMAGE_SECTION_HEADER) !=
         LZRead( lzfd, (LPSTR)sections, nSections * sizeof(IMAGE_SECTION_HEADER) ) )
    {
        HeapFree( GetProcessHeap(), 0, sections );
        return FALSE;
    }

    /* Find resource section */
    for ( i = 0; i < nSections; i++ )
        if (    resDataDir->VirtualAddress >= sections[i].VirtualAddress
             && resDataDir->VirtualAddress <  sections[i].VirtualAddress +
                                              sections[i].SizeOfRawData )
            break;

    if ( i == nSections )
    {
        HeapFree( GetProcessHeap(), 0, sections );
        TRACE("Couldn't find resource section\n" );
        return FALSE;
    }

    /* Read in resource section */
    data_size = sections[i].SizeOfRawData;
    section_size = max( data_size, sections[i].Misc.VirtualSize );
    resSection = HeapAlloc( GetProcessHeap(), 0, section_size );
    if ( !resSection )
    {
        HeapFree( GetProcessHeap(), 0, sections );
        return FALSE;
    }

    LZSeek( lzfd, sections[i].PointerToRawData, SEEK_SET );
    if (data_size != LZRead( lzfd, (char*)resSection, data_size )) goto done;
    if (data_size < section_size) memset( (char *)resSection + data_size, 0, section_size - data_size );

    /* Find resource */
    resDir = resSection + (resDataDir->VirtualAddress - sections[i].VirtualAddress);

    resPtr = resDir;
    resPtr = find_entry_by_id( resPtr, VS_FILE_INFO, resDir );
    if ( !resPtr )
    {
        TRACE("No typeid entry found\n" );
        goto done;
    }
    resPtr = find_entry_by_id( resPtr, VS_VERSION_INFO, resDir );
    if ( !resPtr )
    {
        TRACE("No resid entry found\n" );
        goto done;
    }
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    resPtr = find_entry_language( resPtr, resDir, flags );
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    if ( !resPtr )
    {
        TRACE("No default language entry found\n" );
        goto done;
    }

    /* Find resource data section */
    resData = (const IMAGE_RESOURCE_DATA_ENTRY*)resPtr;
    for ( i = 0; i < nSections; i++ )
        if (    resData->OffsetToData >= sections[i].VirtualAddress
             && resData->OffsetToData <  sections[i].VirtualAddress +
                                         sections[i].SizeOfRawData )
            break;

    if ( i == nSections )
    {
        TRACE("Couldn't find resource data section\n" );
        goto done;
    }

    /* Return resource data */
    if ( resLen ) *resLen = resData->Size;
    if ( resOff ) *resOff = resData->OffsetToData - sections[i].VirtualAddress
                            + sections[i].PointerToRawData;
    ret = TRUE;

 done:
    HeapFree( GetProcessHeap(), 0, resSection );
    HeapFree( GetProcessHeap(), 0, sections );
    return ret;
}


/***********************************************************************
 *           find_version_resource         [internal]
 */
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static DWORD find_version_resource( HFILE lzfd, DWORD *reslen, DWORD *offset, DWORD flags )
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{
    DWORD magic = read_xx_header( lzfd );

    switch (magic)
    {
    case IMAGE_OS2_SIGNATURE:
        if (!find_ne_resource( lzfd, reslen, offset )) magic = 0;
        break;
    case IMAGE_NT_SIGNATURE:
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        if (!find_pe_resource( lzfd, reslen, offset, flags )) magic = 0;
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        break;
    }
    return magic;
}

/******************************************************************************
 *
 *   This function will print via standard TRACE, debug info regarding
 *   the file info structure vffi.
 *      15-Feb-1998 Dimitrie Paun (dimi@cs.toronto.edu)
 *      Added this function to clean up the code.
 *
 *****************************************************************************/
static void print_vffi_debug(const VS_FIXEDFILEINFO *vffi)
{
    BOOL    versioned_printer = FALSE;

    if((vffi->dwFileType == VFT_DLL) || (vffi->dwFileType == VFT_DRV))
    {
        if(vffi->dwFileSubtype == VFT2_DRV_VERSIONED_PRINTER)
            /* this is documented for newer w2k Drivers and up */
            versioned_printer = TRUE;
        else if( (vffi->dwFileSubtype == VFT2_DRV_PRINTER) &&
                 (vffi->dwFileVersionMS != vffi->dwProductVersionMS) &&
                 (vffi->dwFileVersionMS > 0) &&
                 (vffi->dwFileVersionMS <= 3) )
            /* found this on NT 3.51, NT4.0 and old w2k Drivers */
            versioned_printer = TRUE;
    }

    TRACE("structversion=%u.%u, ",
            HIWORD(vffi->dwStrucVersion),LOWORD(vffi->dwStrucVersion));
    if(versioned_printer)
    {
        WORD mode = LOWORD(vffi->dwFileVersionMS);
        WORD ver_rev = HIWORD(vffi->dwFileVersionLS);
        TRACE("fileversion=%u.%u.%u.%u (%s.major.minor.release), ",
            (vffi->dwFileVersionMS),
            HIBYTE(ver_rev), LOBYTE(ver_rev), LOWORD(vffi->dwFileVersionLS),
            (mode == 3) ? "Usermode" : ((mode <= 2) ? "Kernelmode" : "?") );
    }
    else
    {
        TRACE("fileversion=%u.%u.%u.%u, ",
            HIWORD(vffi->dwFileVersionMS),LOWORD(vffi->dwFileVersionMS),
            HIWORD(vffi->dwFileVersionLS),LOWORD(vffi->dwFileVersionLS));
    }
    TRACE("productversion=%u.%u.%u.%u\n",
          HIWORD(vffi->dwProductVersionMS),LOWORD(vffi->dwProductVersionMS),
          HIWORD(vffi->dwProductVersionLS),LOWORD(vffi->dwProductVersionLS));

    TRACE("flagmask=0x%x, flags=0x%x %s%s%s%s%s%s\n",
          vffi->dwFileFlagsMask, vffi->dwFileFlags,
          (vffi->dwFileFlags & VS_FF_DEBUG) ? "DEBUG," : "",
          (vffi->dwFileFlags & VS_FF_PRERELEASE) ? "PRERELEASE," : "",
          (vffi->dwFileFlags & VS_FF_PATCHED) ? "PATCHED," : "",
          (vffi->dwFileFlags & VS_FF_PRIVATEBUILD) ? "PRIVATEBUILD," : "",
          (vffi->dwFileFlags & VS_FF_INFOINFERRED) ? "INFOINFERRED," : "",
          (vffi->dwFileFlags & VS_FF_SPECIALBUILD) ? "SPECIALBUILD," : "");

    TRACE("(");

    TRACE("OS=0x%x.0x%x ", HIWORD(vffi->dwFileOS), LOWORD(vffi->dwFileOS));

    switch (vffi->dwFileOS&0xFFFF0000)
    {
    case VOS_DOS:TRACE("DOS,");break;
    case VOS_OS216:TRACE("OS/2-16,");break;
    case VOS_OS232:TRACE("OS/2-32,");break;
    case VOS_NT:TRACE("NT,");break;
    case VOS_UNKNOWN:
    default:
        TRACE("UNKNOWN(0x%x),",vffi->dwFileOS&0xFFFF0000);break;
    }

    switch (LOWORD(vffi->dwFileOS))
    {
    case VOS__BASE:TRACE("BASE");break;
    case VOS__WINDOWS16:TRACE("WIN16");break;
    case VOS__WINDOWS32:TRACE("WIN32");break;
    case VOS__PM16:TRACE("PM16");break;
    case VOS__PM32:TRACE("PM32");break;
    default:
        TRACE("UNKNOWN(0x%x)",LOWORD(vffi->dwFileOS));break;
    }

    TRACE(")\n");

    switch (vffi->dwFileType)
    {
    case VFT_APP:TRACE("filetype=APP");break;
    case VFT_DLL:
        TRACE("filetype=DLL");
        if(vffi->dwFileSubtype != 0)
        {
            if(versioned_printer) /* NT3.x/NT4.0 or old w2k Driver  */
                TRACE(",PRINTER");
            TRACE(" (subtype=0x%x)", vffi->dwFileSubtype);
        }
        break;
    case VFT_DRV:
        TRACE("filetype=DRV,");
        switch(vffi->dwFileSubtype)
        {
        case VFT2_DRV_PRINTER:TRACE("PRINTER");break;
        case VFT2_DRV_KEYBOARD:TRACE("KEYBOARD");break;
        case VFT2_DRV_LANGUAGE:TRACE("LANGUAGE");break;
        case VFT2_DRV_DISPLAY:TRACE("DISPLAY");break;
        case VFT2_DRV_MOUSE:TRACE("MOUSE");break;
        case VFT2_DRV_NETWORK:TRACE("NETWORK");break;
        case VFT2_DRV_SYSTEM:TRACE("SYSTEM");break;
        case VFT2_DRV_INSTALLABLE:TRACE("INSTALLABLE");break;
        case VFT2_DRV_SOUND:TRACE("SOUND");break;
        case VFT2_DRV_COMM:TRACE("COMM");break;
        case VFT2_DRV_INPUTMETHOD:TRACE("INPUTMETHOD");break;
        case VFT2_DRV_VERSIONED_PRINTER:TRACE("VERSIONED_PRINTER");break;
        case VFT2_UNKNOWN:
        default:
            TRACE("UNKNOWN(0x%x)",vffi->dwFileSubtype);break;
        }
        break;
    case VFT_FONT:
        TRACE("filetype=FONT,");
        switch (vffi->dwFileSubtype)
        {
        case VFT2_FONT_RASTER:TRACE("RASTER");break;
        case VFT2_FONT_VECTOR:TRACE("VECTOR");break;
        case VFT2_FONT_TRUETYPE:TRACE("TRUETYPE");break;
        default:TRACE("UNKNOWN(0x%x)",vffi->dwFileSubtype);break;
        }
        break;
    case VFT_VXD:TRACE("filetype=VXD");break;
    case VFT_STATIC_LIB:TRACE("filetype=STATIC_LIB");break;
    case VFT_UNKNOWN:
    default:
        TRACE("filetype=Unknown(0x%x)",vffi->dwFileType);break;
    }

    TRACE("\n");
    TRACE("filedate=0x%x.0x%x\n",vffi->dwFileDateMS,vffi->dwFileDateLS);
}

/***********************************************************************
 * Version Info Structure
 */

typedef struct
{
    WORD  wLength;
    WORD  wValueLength;
    CHAR  szKey[1];
#if 0   /* variable length structure */
    /* DWORD aligned */
    BYTE  Value[];
    /* DWORD aligned */
    VS_VERSION_INFO_STRUCT16 Children[];
#endif
} VS_VERSION_INFO_STRUCT16;

typedef struct
{
    WORD  wLength;
    WORD  wValueLength;
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    WORD  wType; /* 1:Text, 0:Binary */
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    WCHAR szKey[1];
#if 0   /* variable length structure */
    /* DWORD aligned */
    BYTE  Value[];
    /* DWORD aligned */
    VS_VERSION_INFO_STRUCT32 Children[];
#endif
} VS_VERSION_INFO_STRUCT32;

#define VersionInfoIs16( ver ) \
    ( ((const VS_VERSION_INFO_STRUCT16 *)ver)->szKey[0] >= ' ' )

#define DWORD_ALIGN( base, ptr ) \
    ( (LPBYTE)(base) + ((((LPBYTE)(ptr) - (LPBYTE)(base)) + 3) & ~3) )

#define VersionInfo16_Value( ver )  \
    DWORD_ALIGN( (ver), (ver)->szKey + strlen((ver)->szKey) + 1 )
#define VersionInfo32_Value( ver )  \
    DWORD_ALIGN( (ver), (ver)->szKey + strlenW((ver)->szKey) + 1 )

#define VersionInfo16_Children( ver )  \
    (const VS_VERSION_INFO_STRUCT16 *)( VersionInfo16_Value( ver ) + \
                           ( ( (ver)->wValueLength + 3 ) & ~3 ) )
#define VersionInfo32_Children( ver )  \
    (const VS_VERSION_INFO_STRUCT32 *)( VersionInfo32_Value( ver ) + \
                           ( ( (ver)->wValueLength * \
                               ((ver)->wType? 2 : 1) + 3 ) & ~3 ) )

#define VersionInfo16_Next( ver ) \
    (VS_VERSION_INFO_STRUCT16 *)( (LPBYTE)ver + (((ver)->wLength + 3) & ~3) )
#define VersionInfo32_Next( ver ) \
    (VS_VERSION_INFO_STRUCT32 *)( (LPBYTE)ver + (((ver)->wLength + 3) & ~3) )


/***********************************************************************
 *           GetFileVersionInfoSizeW         [VERSION.@]
 */
DWORD WINAPI GetFileVersionInfoSizeW( LPCWSTR filename, LPDWORD handle )
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{
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    return GetFileVersionInfoSizeExW( FILE_VER_GET_LOCALISED, filename, handle );
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}

/***********************************************************************
 *           GetFileVersionInfoSizeA         [VERSION.@]
 */
DWORD WINAPI GetFileVersionInfoSizeA( LPCSTR filename, LPDWORD handle )
{
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    return GetFileVersionInfoSizeExA( FILE_VER_GET_LOCALISED, filename, handle );
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}

/******************************************************************************
 *           GetFileVersionInfoSizeExW       [VERSION.@]
 */
DWORD WINAPI GetFileVersionInfoSizeExW( DWORD flags, LPCWSTR filename, LPDWORD handle )
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{
    DWORD len, offset, magic = 1;
    HFILE lzfd;
    HMODULE hModule;
    OFSTRUCT ofs;

639
    TRACE("(0x%x,%s,%p)\n", flags, debugstr_w(filename), handle );
640 641 642 643 644 645 646 647 648 649 650 651 652

    if (handle) *handle = 0;

    if (!filename)
    {
        SetLastError(ERROR_INVALID_PARAMETER);
        return 0;
    }
    if (!*filename)
    {
        SetLastError(ERROR_BAD_PATHNAME);
        return 0;
    }
653 654
    if (flags & ~FILE_VER_GET_LOCALISED)
        FIXME("flags 0x%x ignored\n", flags & ~FILE_VER_GET_LOCALISED);
655 656 657

    if ((lzfd = LZOpenFileW( (LPWSTR)filename, &ofs, OF_READ )) != HFILE_ERROR)
    {
658
        magic = find_version_resource( lzfd, &len, &offset, flags );
659 660 661 662 663
        LZClose( lzfd );
    }

    if ((magic == 1) && (hModule = LoadLibraryExW( filename, 0, LOAD_LIBRARY_AS_DATAFILE )))
    {
664 665 666 667 668 669 670 671 672 673
        HRSRC hRsrc = NULL;
        if (!(flags & FILE_VER_GET_LOCALISED))
        {
            LANGID english = MAKELANGID( LANG_ENGLISH, SUBLANG_DEFAULT );
            hRsrc = FindResourceExW( hModule, MAKEINTRESOURCEW(VS_VERSION_INFO),
                                     (LPWSTR)VS_FILE_INFO, english );
        }
        if (!hRsrc)
            hRsrc = FindResourceW( hModule, MAKEINTRESOURCEW(VS_VERSION_INFO),
                                   (LPWSTR)VS_FILE_INFO );
674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712
        if (hRsrc)
        {
            magic = IMAGE_NT_SIGNATURE;
            len = SizeofResource( hModule, hRsrc );
        }
        FreeLibrary( hModule );
    }

    switch (magic)
    {
    case IMAGE_OS2_SIGNATURE:
        /* We have a 16bit resource.
         *
         * XP/W2K/W2K3 uses a buffer which is more than the actual needed space:
         *
         * (info->wLength - sizeof(VS_FIXEDFILEINFO)) * 4
         *
         * This extra buffer is used for ANSI to Unicode conversions in W-Calls.
         * info->wLength should be the same as len. Currently it isn't but that
         * doesn't seem to be a problem (len is bigger than info->wLength).
         */
        SetLastError(0);
        return (len - sizeof(VS_FIXEDFILEINFO)) * 4;

    case IMAGE_NT_SIGNATURE:
        /* We have a 32bit resource.
         *
         * XP/W2K/W2K3 uses a buffer which is 2 times the actual needed space + 4 bytes "FE2X"
         * This extra buffer is used for Unicode to ANSI conversions in A-Calls
         */
        SetLastError(0);
        return (len * 2) + 4;

    default:
        SetLastError( lzfd == HFILE_ERROR ? ofs.nErrCode : ERROR_RESOURCE_DATA_NOT_FOUND );
        return 0;
    }
}

713 714
/******************************************************************************
 *           GetFileVersionInfoSizeExA       [VERSION.@]
715
 */
716
DWORD WINAPI GetFileVersionInfoSizeExA( DWORD flags, LPCSTR filename, LPDWORD handle )
717 718 719 720
{
    UNICODE_STRING filenameW;
    DWORD retval;

721
    TRACE("(0x%x,%s,%p)\n", flags, debugstr_a(filename), handle );
722 723 724 725 726 727

    if(filename)
        RtlCreateUnicodeStringFromAsciiz(&filenameW, filename);
    else
        filenameW.Buffer = NULL;

728
    retval = GetFileVersionInfoSizeExW(flags, filenameW.Buffer, handle);
729 730 731 732 733 734 735

    RtlFreeUnicodeString(&filenameW);

    return retval;
}

/***********************************************************************
736
 *           GetFileVersionInfoExW           [VERSION.@]
737
 */
738
BOOL WINAPI GetFileVersionInfoExW( DWORD flags, LPCWSTR filename, DWORD handle, DWORD datasize, LPVOID data )
739 740 741 742 743 744 745 746
{
    static const char signature[4] = "FE2X";
    DWORD len, offset, magic = 1;
    HFILE lzfd;
    OFSTRUCT ofs;
    HMODULE hModule;
    VS_VERSION_INFO_STRUCT32* vvis = data;

747 748
    TRACE("(0x%x,%s,%d,size=%d,data=%p)\n",
          flags, debugstr_w(filename), handle, datasize, data );
749 750 751 752 753 754

    if (!data)
    {
        SetLastError(ERROR_INVALID_DATA);
        return FALSE;
    }
755 756
    if (flags & ~FILE_VER_GET_LOCALISED)
        FIXME("flags 0x%x ignored\n", flags & ~FILE_VER_GET_LOCALISED);
757 758 759

    if ((lzfd = LZOpenFileW( (LPWSTR)filename, &ofs, OF_READ )) != HFILE_ERROR)
    {
760
        if ((magic = find_version_resource( lzfd, &len, &offset, flags )) > 1)
761 762 763 764 765 766 767 768 769
        {
            LZSeek( lzfd, offset, 0 /* SEEK_SET */ );
            len = LZRead( lzfd, data, min( len, datasize ) );
        }
        LZClose( lzfd );
    }

    if ((magic == 1) && (hModule = LoadLibraryExW( filename, 0, LOAD_LIBRARY_AS_DATAFILE )))
    {
770 771 772 773 774 775 776 777 778 779
        HRSRC hRsrc = NULL;
        if (!(flags & FILE_VER_GET_LOCALISED))
        {
            LANGID english = MAKELANGID( LANG_ENGLISH, SUBLANG_DEFAULT );
            hRsrc = FindResourceExW( hModule, MAKEINTRESOURCEW(VS_VERSION_INFO),
                                     (LPWSTR)VS_FILE_INFO, english );
        }
        if (!hRsrc)
            hRsrc = FindResourceW( hModule, MAKEINTRESOURCEW(VS_VERSION_INFO),
                                   (LPWSTR)VS_FILE_INFO );
780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819
        if (hRsrc)
        {
            HGLOBAL hMem = LoadResource( hModule, hRsrc );
            magic = IMAGE_NT_SIGNATURE;
            len = min( SizeofResource(hModule, hRsrc), datasize );
            memcpy( data, LockResource( hMem ), len );
            FreeResource( hMem );
        }
        FreeLibrary( hModule );
    }

    switch (magic)
    {
    case IMAGE_OS2_SIGNATURE:
        /* We have a 16bit resource. */
        if (TRACE_ON(ver))
            print_vffi_debug( (VS_FIXEDFILEINFO *)VersionInfo16_Value( (VS_VERSION_INFO_STRUCT16 *)data ));
        SetLastError(0);
        return TRUE;

    case IMAGE_NT_SIGNATURE:
        /* We have a 32bit resource.
         *
         * XP/W2K/W2K3 uses a buffer which is 2 times the actual needed space + 4 bytes "FE2X"
         * This extra buffer is used for Unicode to ANSI conversions in A-Calls
         */
        len = vvis->wLength + sizeof(signature);
        if (datasize >= len) memcpy( (char*)data + vvis->wLength, signature, sizeof(signature) );
        if (TRACE_ON(ver))
            print_vffi_debug( (VS_FIXEDFILEINFO *)VersionInfo32_Value( vvis ));
        SetLastError(0);
        return TRUE;

    default:
        SetLastError( lzfd == HFILE_ERROR ? ofs.nErrCode : ERROR_RESOURCE_DATA_NOT_FOUND );
        return FALSE;
    }
}

/***********************************************************************
820
 *           GetFileVersionInfoExA           [VERSION.@]
821
 */
822
BOOL WINAPI GetFileVersionInfoExA( DWORD flags, LPCSTR filename, DWORD handle, DWORD datasize, LPVOID data )
823 824 825 826
{
    UNICODE_STRING filenameW;
    BOOL retval;

827 828
    TRACE("(0x%x,%s,%d,size=%d,data=%p)\n",
          flags, debugstr_a(filename), handle, datasize, data );
829 830 831 832 833 834

    if(filename)
        RtlCreateUnicodeStringFromAsciiz(&filenameW, filename);
    else
        filenameW.Buffer = NULL;

835
    retval = GetFileVersionInfoExW(flags, filenameW.Buffer, handle, datasize, data);
836 837 838 839 840 841

    RtlFreeUnicodeString(&filenameW);

    return retval;
}

842 843 844 845 846
/***********************************************************************
 *           GetFileVersionInfoW             [VERSION.@]
 */
BOOL WINAPI GetFileVersionInfoW( LPCWSTR filename, DWORD handle, DWORD datasize, LPVOID data )
{
847
    return GetFileVersionInfoExW(FILE_VER_GET_LOCALISED, filename, handle, datasize, data);
848 849 850 851 852 853 854
}

/***********************************************************************
 *           GetFileVersionInfoA             [VERSION.@]
 */
BOOL WINAPI GetFileVersionInfoA( LPCSTR filename, DWORD handle, DWORD datasize, LPVOID data )
{
855
    return GetFileVersionInfoExA(FILE_VER_GET_LOCALISED, filename, handle, datasize, data);
856 857
}

858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947
/***********************************************************************
 *           VersionInfo16_FindChild             [internal]
 */
static const VS_VERSION_INFO_STRUCT16 *VersionInfo16_FindChild( const VS_VERSION_INFO_STRUCT16 *info,
                                            LPCSTR szKey, UINT cbKey )
{
    const VS_VERSION_INFO_STRUCT16 *child = VersionInfo16_Children( info );

    while ((char *)child < (char *)info + info->wLength )
    {
        if (!strncasecmp( child->szKey, szKey, cbKey ) && !child->szKey[cbKey])
            return child;

	if (!(child->wLength)) return NULL;
        child = VersionInfo16_Next( child );
    }

    return NULL;
}

/***********************************************************************
 *           VersionInfo32_FindChild             [internal]
 */
static const VS_VERSION_INFO_STRUCT32 *VersionInfo32_FindChild( const VS_VERSION_INFO_STRUCT32 *info,
                                            LPCWSTR szKey, UINT cbKey )
{
    const VS_VERSION_INFO_STRUCT32 *child = VersionInfo32_Children( info );

    while ((char *)child < (char *)info + info->wLength )
    {
        if (!strncmpiW( child->szKey, szKey, cbKey ) && !child->szKey[cbKey])
            return child;

        if (!(child->wLength)) return NULL;
        child = VersionInfo32_Next( child );
    }

    return NULL;
}

/***********************************************************************
 *           VersionInfo16_QueryValue              [internal]
 *
 *    Gets a value from a 16-bit NE resource
 */
static BOOL VersionInfo16_QueryValue( const VS_VERSION_INFO_STRUCT16 *info, LPCSTR lpSubBlock,
                               LPVOID *lplpBuffer, UINT *puLen )
{
    while ( *lpSubBlock )
    {
        /* Find next path component */
        LPCSTR lpNextSlash;
        for ( lpNextSlash = lpSubBlock; *lpNextSlash; lpNextSlash++ )
            if ( *lpNextSlash == '\\' )
                break;

        /* Skip empty components */
        if ( lpNextSlash == lpSubBlock )
        {
            lpSubBlock++;
            continue;
        }

        /* We have a non-empty component: search info for key */
        info = VersionInfo16_FindChild( info, lpSubBlock, lpNextSlash-lpSubBlock );
        if ( !info )
        {
            if (puLen) *puLen = 0 ;
            SetLastError( ERROR_RESOURCE_TYPE_NOT_FOUND );
            return FALSE;
        }

        /* Skip path component */
        lpSubBlock = lpNextSlash;
    }

    /* Return value */
    *lplpBuffer = VersionInfo16_Value( info );
    if (puLen)
        *puLen = info->wValueLength;

    return TRUE;
}

/***********************************************************************
 *           VersionInfo32_QueryValue              [internal]
 *
 *    Gets a value from a 32-bit PE resource
 */
static BOOL VersionInfo32_QueryValue( const VS_VERSION_INFO_STRUCT32 *info, LPCWSTR lpSubBlock,
948
                                      LPVOID *lplpBuffer, UINT *puLen, BOOL *pbText )
949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983
{
    TRACE("lpSubBlock : (%s)\n", debugstr_w(lpSubBlock));

    while ( *lpSubBlock )
    {
        /* Find next path component */
        LPCWSTR lpNextSlash;
        for ( lpNextSlash = lpSubBlock; *lpNextSlash; lpNextSlash++ )
            if ( *lpNextSlash == '\\' )
                break;

        /* Skip empty components */
        if ( lpNextSlash == lpSubBlock )
        {
            lpSubBlock++;
            continue;
        }

        /* We have a non-empty component: search info for key */
        info = VersionInfo32_FindChild( info, lpSubBlock, lpNextSlash-lpSubBlock );
        if ( !info )
        {
            if (puLen) *puLen = 0 ;
            SetLastError( ERROR_RESOURCE_TYPE_NOT_FOUND );
            return FALSE;
        }

        /* Skip path component */
        lpSubBlock = lpNextSlash;
    }

    /* Return value */
    *lplpBuffer = VersionInfo32_Value( info );
    if (puLen)
        *puLen = info->wValueLength;
984 985
    if (pbText)
        *pbText = info->wType;
986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009

    return TRUE;
}

/***********************************************************************
 *           VerQueryValueA              [VERSION.@]
 */
BOOL WINAPI VerQueryValueA( LPCVOID pBlock, LPCSTR lpSubBlock,
                               LPVOID *lplpBuffer, PUINT puLen )
{
    static const char rootA[] = "\\";
    const VS_VERSION_INFO_STRUCT16 *info = pBlock;

    TRACE("(%p,%s,%p,%p)\n",
                pBlock, debugstr_a(lpSubBlock), lplpBuffer, puLen );

     if (!pBlock)
        return FALSE;

    if (lpSubBlock == NULL || lpSubBlock[0] == '\0')
        lpSubBlock = rootA;

    if ( !VersionInfoIs16( info ) )
    {
1010
        BOOL ret, isText;
1011 1012
        INT len;
        LPWSTR lpSubBlockW;
1013
        UINT value_len;
1014 1015 1016 1017 1018 1019 1020 1021 1022

        len  = MultiByteToWideChar(CP_ACP, 0, lpSubBlock, -1, NULL, 0);
        lpSubBlockW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));

        if (!lpSubBlockW)
            return FALSE;

        MultiByteToWideChar(CP_ACP, 0, lpSubBlock, -1, lpSubBlockW, len);

1023 1024
        ret = VersionInfo32_QueryValue(pBlock, lpSubBlockW, lplpBuffer, &value_len, &isText);
        if (puLen) *puLen = value_len;
1025 1026 1027

        HeapFree(GetProcessHeap(), 0, lpSubBlockW);

1028
        if (ret && isText)
1029 1030 1031 1032 1033 1034
        {
            /* Set lpBuffer so it points to the 'empty' area where we store
             * the converted strings
             */
            LPSTR lpBufferA = (LPSTR)pBlock + info->wLength + 4;
            DWORD pos = (LPCSTR)*lplpBuffer - (LPCSTR)pBlock;
1035
            len = WideCharToMultiByte(CP_ACP, 0, *lplpBuffer, value_len,
1036 1037
                                      lpBufferA + pos, info->wLength - pos, NULL, NULL);
            *lplpBuffer = lpBufferA + pos;
1038
            if (puLen) *puLen = len;
1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097
        }
        return ret;
    }

    return VersionInfo16_QueryValue(info, lpSubBlock, lplpBuffer, puLen);
}

/***********************************************************************
 *           VerQueryValueW              [VERSION.@]
 */
BOOL WINAPI VerQueryValueW( LPCVOID pBlock, LPCWSTR lpSubBlock,
                               LPVOID *lplpBuffer, PUINT puLen )
{
    static const WCHAR nullW[] = { 0 };
    static const WCHAR rootW[] = { '\\', 0 };
    static const WCHAR varfileinfoW[] = { '\\','V','a','r','F','i','l','e','I','n','f','o',
                                          '\\','T','r','a','n','s','l','a','t','i','o','n', 0 };

    const VS_VERSION_INFO_STRUCT32 *info = pBlock;

    TRACE("(%p,%s,%p,%p)\n",
                pBlock, debugstr_w(lpSubBlock), lplpBuffer, puLen );

    if (!pBlock)
        return FALSE;

    if (lpSubBlock == NULL || lpSubBlock[0] == nullW[0])
        lpSubBlock = rootW;

    if ( VersionInfoIs16( info ) )
    {
        BOOL ret;
        int len;
        LPSTR lpSubBlockA;

        len = WideCharToMultiByte(CP_ACP, 0, lpSubBlock, -1, NULL, 0, NULL, NULL);
        lpSubBlockA = HeapAlloc(GetProcessHeap(), 0, len * sizeof(char));

        if (!lpSubBlockA)
            return FALSE;

        WideCharToMultiByte(CP_ACP, 0, lpSubBlock, -1, lpSubBlockA, len, NULL, NULL);

        ret = VersionInfo16_QueryValue(pBlock, lpSubBlockA, lplpBuffer, puLen);

        HeapFree(GetProcessHeap(), 0, lpSubBlockA);

        if (ret && strcmpiW( lpSubBlock, rootW ) && strcmpiW( lpSubBlock, varfileinfoW ))
        {
            /* Set lpBuffer so it points to the 'empty' area where we store
             * the converted strings
             */
            LPWSTR lpBufferW = (LPWSTR)((LPSTR)pBlock + info->wLength);
            DWORD pos = (LPCSTR)*lplpBuffer - (LPCSTR)pBlock;
            DWORD max = (info->wLength - sizeof(VS_FIXEDFILEINFO)) * 4 - info->wLength;

            len = MultiByteToWideChar(CP_ACP, 0, *lplpBuffer, -1,
                                      lpBufferW + pos, max/sizeof(WCHAR) - pos );
            *lplpBuffer = lpBufferW + pos;
1098
            if (puLen) *puLen = len;
1099 1100 1101 1102
        }
        return ret;
    }

1103
    return VersionInfo32_QueryValue(info, lpSubBlock, lplpBuffer, puLen, NULL);
1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203
}


/******************************************************************************
 *   testFileExistenceA
 *
 *   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 testFileExistenceA( char const * path, char const * file, BOOL excl )
{
    char  filename[1024];
    int  filenamelen;
    OFSTRUCT  fileinfo;

    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);

    return (OpenFile(filename, &fileinfo,
                     OF_EXIST | (excl ? OF_SHARE_EXCLUSIVE : 0)) != HFILE_ERROR);
}

/******************************************************************************
 *   testFileExistenceW
 */
static int testFileExistenceW( const WCHAR *path, const WCHAR *file, BOOL excl )
{
    char *filename;
    DWORD pathlen, filelen;
    int ret;
    OFSTRUCT fileinfo;

    fileinfo.cBytes = sizeof(OFSTRUCT);

    pathlen = WideCharToMultiByte( CP_ACP, 0, path, -1, NULL, 0, NULL, NULL );
    filelen = WideCharToMultiByte( CP_ACP, 0, file, -1, NULL, 0, NULL, NULL );
    filename = HeapAlloc( GetProcessHeap(), 0, pathlen+filelen+2 );

    WideCharToMultiByte( CP_ACP, 0, path, -1, filename, pathlen, NULL, NULL );
    /* Add a trailing \ if necessary */
    if (pathlen > 1)
    {
        if (filename[pathlen-2] != '\\') strcpy( &filename[pathlen-1], "\\" );
    }
    else /* specify the current directory */
        strcpy(filename, ".\\");

    WideCharToMultiByte( CP_ACP, 0, file, -1, filename+strlen(filename), filelen, NULL, NULL );

    ret = (OpenFile(filename, &fileinfo,
                    OF_EXIST | (excl ? OF_SHARE_EXCLUSIVE : 0)) != HFILE_ERROR);
    HeapFree( GetProcessHeap(), 0, filename );
    return ret;
}

/*****************************************************************************
 *   VerFindFileA [VERSION.@]
 *
 *   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.
 */
DWORD WINAPI VerFindFileA(
    DWORD flags,
    LPCSTR lpszFilename,
    LPCSTR lpszWinDir,
    LPCSTR lpszAppDir,
    LPSTR lpszCurDir,
    PUINT lpuCurDirLen,
    LPSTR lpszDestDir,
    PUINT lpuDestDirLen )
{
    DWORD  retval = 0;
    const char *curDir;
    const char *destDir;
    unsigned int  curDirSizeReq;
    unsigned int  destDirSizeReq;
1204
    char winDir[MAX_PATH], systemDir[MAX_PATH];
1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233

    /* Print out debugging information */
    TRACE("flags = %x filename=%s windir=%s appdir=%s curdirlen=%p(%u) destdirlen=%p(%u)\n",
          flags, debugstr_a(lpszFilename), debugstr_a(lpszWinDir), debugstr_a(lpszAppDir),
          lpuCurDirLen, lpuCurDirLen ? *lpuCurDirLen : 0,
          lpuDestDirLen, lpuDestDirLen ? *lpuDestDirLen : 0 );

    /* Figure out where the file should go; shared files default to the
       system directory */

    GetSystemDirectoryA(systemDir, sizeof(systemDir));
    curDir = "";

    if(flags & VFFF_ISSHAREDFILE)
    {
        destDir = systemDir;
        /* Were we given a filename?  If so, try to find the file. */
        if(lpszFilename)
        {
            if(testFileExistenceA(destDir, lpszFilename, FALSE)) curDir = destDir;
            else if(lpszAppDir && testFileExistenceA(lpszAppDir, lpszFilename, FALSE))
            {
                curDir = lpszAppDir;
                retval |= VFF_CURNEDEST;
            }
        }
    }
    else /* not a shared file */
    {
1234 1235
        destDir = lpszAppDir ? lpszAppDir : "";
        if(lpszFilename)
1236
        {
1237 1238 1239 1240 1241 1242 1243 1244
            GetWindowsDirectoryA( winDir, MAX_PATH );
            if(testFileExistenceA(destDir, lpszFilename, FALSE)) curDir = destDir;
            else if(testFileExistenceA(winDir, lpszFilename, FALSE))
            {
                curDir = winDir;
                retval |= VFF_CURNEDEST;
            }
            else if(testFileExistenceA(systemDir, lpszFilename, FALSE))
1245
            {
1246 1247
                curDir = systemDir;
                retval |= VFF_CURNEDEST;
1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299
            }
        }
    }

    /* Check to see if the file exists and is in use by another application */
    if (lpszFilename && testFileExistenceA(curDir, lpszFilename, FALSE)) {
        if (lpszFilename && !testFileExistenceA(curDir, lpszFilename, TRUE))
           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;
        lstrcpynA(lpszDestDir, destDir, *lpuDestDirLen);
        *lpuDestDirLen = destDirSizeReq;
    }
    if(lpuCurDirLen && lpszCurDir)
    {
        if(*lpuCurDirLen < curDirSizeReq) retval |= VFF_BUFFTOOSMALL;
        lstrcpynA(lpszCurDir, curDir, *lpuCurDirLen);
        *lpuCurDirLen = curDirSizeReq;
    }

    TRACE("ret = %u (%s%s%s) curdir=%s destdir=%s\n", retval,
          (retval & VFF_CURNEDEST) ? "VFF_CURNEDEST " : "",
          (retval & VFF_FILEINUSE) ? "VFF_FILEINUSE " : "",
          (retval & VFF_BUFFTOOSMALL) ? "VFF_BUFFTOOSMALL " : "",
          debugstr_a(lpszCurDir), debugstr_a(lpszDestDir));

    return retval;
}

/*****************************************************************************
 * VerFindFileW						[VERSION.@]
 */
DWORD WINAPI VerFindFileW( DWORD flags,LPCWSTR lpszFilename,LPCWSTR lpszWinDir,
                           LPCWSTR lpszAppDir, LPWSTR lpszCurDir,PUINT lpuCurDirLen,
                           LPWSTR lpszDestDir,PUINT lpuDestDirLen )
{
    static const WCHAR emptyW;
    DWORD retval = 0;
    const WCHAR *curDir;
    const WCHAR *destDir;
    unsigned int curDirSizeReq;
    unsigned int destDirSizeReq;
1300
    WCHAR winDir[MAX_PATH], systemDir[MAX_PATH];
1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329

    /* Print out debugging information */
    TRACE("flags = %x filename=%s windir=%s appdir=%s curdirlen=%p(%u) destdirlen=%p(%u)\n",
          flags, debugstr_w(lpszFilename), debugstr_w(lpszWinDir), debugstr_w(lpszAppDir),
          lpuCurDirLen, lpuCurDirLen ? *lpuCurDirLen : 0,
          lpuDestDirLen, lpuDestDirLen ? *lpuDestDirLen : 0 );

    /* Figure out where the file should go; shared files default to the
       system directory */

    GetSystemDirectoryW(systemDir, sizeof(systemDir)/sizeof(WCHAR));
    curDir = &emptyW;

    if(flags & VFFF_ISSHAREDFILE)
    {
        destDir = systemDir;
        /* Were we given a filename?  If so, try to find the file. */
        if(lpszFilename)
        {
            if(testFileExistenceW(destDir, lpszFilename, FALSE)) curDir = destDir;
            else if(lpszAppDir && testFileExistenceW(lpszAppDir, lpszFilename, FALSE))
            {
                curDir = lpszAppDir;
                retval |= VFF_CURNEDEST;
            }
        }
    }
    else /* not a shared file */
    {
1330 1331
        destDir = lpszAppDir ? lpszAppDir : &emptyW;
        if(lpszFilename)
1332
        {
1333 1334 1335 1336 1337 1338 1339 1340
            GetWindowsDirectoryW( winDir, MAX_PATH );
            if(testFileExistenceW(destDir, lpszFilename, FALSE)) curDir = destDir;
            else if(testFileExistenceW(winDir, lpszFilename, FALSE))
            {
                curDir = winDir;
                retval |= VFF_CURNEDEST;
            }
            else if(testFileExistenceW(systemDir, lpszFilename, FALSE))
1341
            {
1342 1343
                curDir = systemDir;
                retval |= VFF_CURNEDEST;
1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387
            }
        }
    }

    if (lpszFilename && !testFileExistenceW(curDir, lpszFilename, TRUE))
        retval |= VFF_FILEINUSE;

    curDirSizeReq = strlenW(curDir) + 1;
    destDirSizeReq = strlenW(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;
        lstrcpynW(lpszDestDir, destDir, *lpuDestDirLen);
        *lpuDestDirLen = destDirSizeReq;
    }
    if(lpuCurDirLen && lpszCurDir)
    {
        if(*lpuCurDirLen < curDirSizeReq) retval |= VFF_BUFFTOOSMALL;
        lstrcpynW(lpszCurDir, curDir, *lpuCurDirLen);
        *lpuCurDirLen = curDirSizeReq;
    }

    TRACE("ret = %u (%s%s%s) curdir=%s destdir=%s\n", retval,
          (retval & VFF_CURNEDEST) ? "VFF_CURNEDEST " : "",
          (retval & VFF_FILEINUSE) ? "VFF_FILEINUSE " : "",
          (retval & VFF_BUFFTOOSMALL) ? "VFF_BUFFTOOSMALL " : "",
          debugstr_w(lpszCurDir), debugstr_w(lpszDestDir));
    return retval;
}

static LPBYTE
_fetch_versioninfo(LPSTR fn,VS_FIXEDFILEINFO **vffi) {
    DWORD	alloclen;
    LPBYTE	buf;
    DWORD	ret;

    alloclen = 1000;
    buf=HeapAlloc(GetProcessHeap(), 0, alloclen);
    if(buf == NULL) {
1388
        WARN("Memory exhausted while fetching version info!\n");
1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401
        return NULL;
    }
    while (1) {
	ret = GetFileVersionInfoA(fn,0,alloclen,buf);
	if (!ret) {
	    HeapFree(GetProcessHeap(), 0, buf);
	    return NULL;
	}
	if (alloclen<*(WORD*)buf) {
	    alloclen = *(WORD*)buf;
	    HeapFree(GetProcessHeap(), 0, buf);
	    buf = HeapAlloc(GetProcessHeap(), 0, alloclen);
            if(buf == NULL) {
1402
               WARN("Memory exhausted while fetching version info!\n");
1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444
               return NULL;
            }
	} 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("Bad VS_FIXEDFILEINFO signature 0x%08x\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;
    }
}


/******************************************************************************
 * VerInstallFileA [VERSION.@]
 */
DWORD WINAPI VerInstallFileA(
	DWORD flags,LPCSTR srcfilename,LPCSTR destfilename,LPCSTR srcdir,
	LPCSTR destdir,LPCSTR curdir,LPSTR tmpfile,PUINT tmpfilelen )
{
    LPCSTR pdest;
    char	destfn[260],tmpfn[260],srcfn[260];
    HFILE	hfsrc,hfdst;
    DWORD	attr,xret,tmplast;
    LONG	ret;
    LPBYTE	buf1,buf2;
    OFSTRUCT	ofs;

    TRACE("(%x,%s,%s,%s,%s,%s,%p,%d)\n",
1445 1446 1447
          flags,debugstr_a(srcfilename),debugstr_a(destfilename),
          debugstr_a(srcdir),debugstr_a(destdir),debugstr_a(curdir),
          tmpfile,*tmpfilelen);
1448
    xret = 0;
1449
    if (!srcdir || !srcfilename) return VIF_CANNOTREADSRC;
1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672
    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 < 0)
	return VIF_CANNOTREADSRC;
    sprintf(tmpfn,"%s\\%s",pdest,destfilename);
    tmplast=strlen(pdest)+1;
    attr = GetFileAttributesA(tmpfn);
    if (attr != INVALID_FILE_ATTRIBUTES) {
	if (attr & FILE_ATTRIBUTE_READONLY) {
	    LZClose(hfsrc);
	    return VIF_WRITEPROT;
	}
	/* FIXME: check if file currently in use and return VIF_FILEINUSE */
    }
    attr = INVALID_FILE_ATTRIBUTES;
    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 == INVALID_FILE_ATTRIBUTES) {
	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 (ret < 0) {
	    /* translate LZ errors into VIF_xxx */
	    switch (ret) {
	    case LZERROR_BADINHANDLE:
	    case LZERROR_READ:
	    case LZERROR_BADVALUE:
	    case LZERROR_UNKNOWNALG:
		xret = VIF_CANNOTREADSRC;
		break;
	    case LZERROR_BADOUTHANDLE:
	    case LZERROR_WRITE:
		xret = VIF_OUTOFSPACE;
		break;
	    case LZERROR_GLOBALLOC:
	    case LZERROR_GLOBLOCK:
		xret = VIF_OUTOFMEMORY;
		break;
	    default: /* unknown error, should not happen */
		FIXME("Unknown LZCopy error %d, ignoring.\n", ret);
		xret = 0;
		break;
	    }
	    if (xret) {
		LZClose(hfsrc);
		return xret;
	    }
	}
    }
    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;
		static const CHAR trans_array[] = "\\VarFileInfo\\Translation";
		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,trans_array,(LPVOID*)&tbuf1,&len1) &&
		    VerQueryValueA(buf2,trans_array,(LPVOID*)&tbuf2,&len2)
		) {
                    /* Do something with tbuf1 and tbuf2
		     * generates DIFFLANG|MISMATCH
		     */
		}
		HeapFree(GetProcessHeap(), 0, buf2);
	    } else
		xret=VIF_MISMATCH|VIF_SRCOLD;
	    HeapFree(GetProcessHeap(), 0, 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 (INVALID_FILE_ATTRIBUTES!=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 (INVALID_FILE_ATTRIBUTES != 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(
	DWORD flags,LPCWSTR srcfilename,LPCWSTR destfilename,LPCWSTR srcdir,
	LPCWSTR destdir,LPCWSTR curdir,LPWSTR tmpfile,PUINT tmpfilelen )
{
    LPSTR wsrcf = NULL, wsrcd = NULL, wdestf = NULL, wdestd = NULL, wtmpf = NULL, wcurd = NULL;
    DWORD ret = 0;
    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 );
        else
            ret = VIF_OUTOFMEMORY;
    }
    if (srcdir && !ret)
    {
        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 );
        else
            ret = VIF_OUTOFMEMORY;
    }
    if (destfilename && !ret)
    {
        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 );
        else
            ret = VIF_OUTOFMEMORY;
    }
    if (destdir && !ret)
    {
        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 );
        else
            ret = VIF_OUTOFMEMORY;
    }
    if (curdir && !ret)
    {
        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 );
        else
            ret = VIF_OUTOFMEMORY;
    }
    if (!ret)
    {
        len = *tmpfilelen * sizeof(WCHAR);
        wtmpf = HeapAlloc( GetProcessHeap(), 0, len );
        if (!wtmpf)
            ret = VIF_OUTOFMEMORY;
    }
    if (!ret)
        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;
}