ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
Sweden-Number/dlls/version/resource.c

330 lines
9.7 KiB
C
Raw Blame History

/*
* Implementation of VERSION.DLL - Resource Access routines
*
* Copyright 1996,1997 Marcus Meissner
* Copyright 1997 David Cuthbert
* Copyright 1999 Ulrich Weigand
*/
#include <stdlib.h>
#include <string.h>
#include "neexe.h"
#include "module.h"
#include "winver.h"
#include "lzexpand.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(ver)
/***********************************************************************
* 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, &mzh, sizeof(mzh) ) )
return 0;
if ( mzh.e_magic != IMAGE_DOS_SIGNATURE )
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;
}
/***********************************************************************
* load_ne_resource [internal]
*/
static BOOL find_ne_resource( HFILE lzfd, LPCSTR typeid, LPCSTR resid,
DWORD *resLen, DWORD *resOff )
{
IMAGE_OS2_HEADER nehd;
NE_TYPEINFO *typeInfo;
NE_NAMEINFO *nameInfo;
DWORD nehdoffset;
LPBYTE resTab;
DWORD resTabSize;
/* Read in NE header */
nehdoffset = LZSeek( lzfd, 0, SEEK_CUR );
if ( sizeof(nehd) != LZRead( lzfd, &nehd, sizeof(nehd) ) ) return 0;
resTabSize = nehd.rname_tab_offset - nehd.resource_tab_offset;
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.resource_tab_offset + nehdoffset, SEEK_SET );
if ( resTabSize != LZRead( lzfd, resTab, resTabSize ) )
{
HeapFree( GetProcessHeap(), 0, resTab );
return FALSE;
}
/* Find resource */
typeInfo = (NE_TYPEINFO *)(resTab + 2);
typeInfo = NE_FindTypeSection( resTab, typeInfo, typeid );
if ( !typeInfo )
{
TRACE("No typeid entry found for %p\n", typeid );
HeapFree( GetProcessHeap(), 0, resTab );
return FALSE;
}
nameInfo = NE_FindResourceFromType( resTab, typeInfo, resid );
if ( !nameInfo )
{
TRACE("No resid entry found for %p\n", typeid );
HeapFree( GetProcessHeap(), 0, resTab );
return FALSE;
}
/* Return resource data */
if ( resLen ) *resLen = nameInfo->length << *(WORD *)resTab;
if ( resOff ) *resOff = nameInfo->offset << *(WORD *)resTab;
HeapFree( GetProcessHeap(), 0, resTab );
return TRUE;
}
/***********************************************************************
* load_pe_resource [internal]
*/
static BOOL find_pe_resource( HFILE lzfd, LPCSTR typeid, LPCSTR resid,
DWORD *resLen, DWORD *resOff )
{
IMAGE_NT_HEADERS pehd;
DWORD pehdoffset;
PIMAGE_DATA_DIRECTORY resDataDir;
PIMAGE_SECTION_HEADER sections;
LPBYTE resSection;
DWORD resSectionSize;
DWORD resDir;
PIMAGE_RESOURCE_DIRECTORY resPtr;
PIMAGE_RESOURCE_DATA_ENTRY resData;
int i, nSections;
/* Read in PE header */
pehdoffset = LZSeek( lzfd, 0, SEEK_CUR );
if ( sizeof(pehd) != LZRead( lzfd, &pehd, sizeof(pehd) ) ) return 0;
resDataDir = pehd.OptionalHeader.DataDirectory+IMAGE_FILE_RESOURCE_DIRECTORY;
if ( !resDataDir->Size )
{
TRACE("No resources in PE dll\n" );
return FALSE;
}
/* Read in section table */
nSections = pehd.FileHeader.NumberOfSections;
sections = HeapAlloc( GetProcessHeap(), 0,
nSections * sizeof(IMAGE_SECTION_HEADER) );
if ( !sections ) return FALSE;
LZSeek( lzfd, pehdoffset +
sizeof(DWORD) + /* Signature */
sizeof(IMAGE_FILE_HEADER) +
pehd.FileHeader.SizeOfOptionalHeader, SEEK_SET );
if ( nSections * sizeof(IMAGE_SECTION_HEADER) !=
LZRead( lzfd, 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 */
resSectionSize = sections[i].SizeOfRawData;
resSection = HeapAlloc( GetProcessHeap(), 0, resSectionSize );
if ( !resSection )
{
HeapFree( GetProcessHeap(), 0, sections );
return FALSE;
}
LZSeek( lzfd, sections[i].PointerToRawData, SEEK_SET );
if ( resSectionSize != LZRead( lzfd, resSection, resSectionSize ) )
{
HeapFree( GetProcessHeap(), 0, resSection );
HeapFree( GetProcessHeap(), 0, sections );
return FALSE;
}
/* Find resource */
resDir = (DWORD)resSection +
(resDataDir->VirtualAddress - sections[i].VirtualAddress);
resPtr = (PIMAGE_RESOURCE_DIRECTORY)resDir;
resPtr = GetResDirEntryA( resPtr, typeid, resDir, FALSE );
if ( !resPtr )
{
TRACE("No typeid entry found for %p\n", typeid );
HeapFree( GetProcessHeap(), 0, resSection );
HeapFree( GetProcessHeap(), 0, sections );
return FALSE;
}
resPtr = GetResDirEntryA( resPtr, resid, resDir, FALSE );
if ( !resPtr )
{
TRACE("No resid entry found for %p\n", resid );
HeapFree( GetProcessHeap(), 0, resSection );
HeapFree( GetProcessHeap(), 0, sections );
return FALSE;
}
resPtr = GetResDirEntryA( resPtr, 0, resDir, TRUE );
if ( !resPtr )
{
TRACE("No default language entry found for %p\n", resid );
HeapFree( GetProcessHeap(), 0, resSection );
HeapFree( GetProcessHeap(), 0, sections );
return FALSE;
}
/* Find resource data section */
resData = (PIMAGE_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" );
HeapFree( GetProcessHeap(), 0, resSection );
HeapFree( GetProcessHeap(), 0, sections );
return FALSE;
}
/* Return resource data */
if ( resLen ) *resLen = resData->Size;
if ( resOff ) *resOff = resData->OffsetToData - sections[i].VirtualAddress
+ sections[i].PointerToRawData;
HeapFree( GetProcessHeap(), 0, resSection );
HeapFree( GetProcessHeap(), 0, sections );
return TRUE;
}
/***********************************************************************
* GetFileResourceSize32 [internal]
*/
DWORD WINAPI GetFileResourceSize( LPCSTR lpszFileName,
LPCSTR lpszResType, LPCSTR lpszResId,
LPDWORD lpdwFileOffset )
{
BOOL retv = FALSE;
HFILE lzfd;
OFSTRUCT ofs;
DWORD reslen;
TRACE("(%s,type=0x%lx,id=0x%lx,off=%p)\n",
debugstr_a(lpszFileName), (LONG)lpszResType, (LONG)lpszResId,
lpszResId );
lzfd = LZOpenFileA( lpszFileName, &ofs, OF_READ );
if ( !lzfd ) return 0;
switch ( read_xx_header( lzfd ) )
{
case IMAGE_OS2_SIGNATURE:
retv = find_ne_resource( lzfd, lpszResType, lpszResId,
&reslen, lpdwFileOffset );
break;
case IMAGE_NT_SIGNATURE:
retv = find_pe_resource( lzfd, lpszResType, lpszResId,
&reslen, lpdwFileOffset );
break;
}
LZClose( lzfd );
return retv? reslen : 0;
}
/***********************************************************************
* GetFileResource32 [internal]
*/
DWORD WINAPI GetFileResource( LPCSTR lpszFileName,
LPCSTR lpszResType, LPCSTR lpszResId,
DWORD dwFileOffset,
DWORD dwResLen, LPVOID lpvData )
{
BOOL retv = FALSE;
HFILE lzfd;
OFSTRUCT ofs;
DWORD reslen = dwResLen;
TRACE("(%s,type=0x%lx,id=0x%lx,off=%ld,len=%ld,data=%p)\n",
debugstr_a(lpszFileName), (LONG)lpszResType, (LONG)lpszResId,
dwFileOffset, dwResLen, lpvData );
lzfd = LZOpenFileA( lpszFileName, &ofs, OF_READ );
if ( lzfd == 0 ) return 0;
if ( !dwFileOffset )
{
switch ( read_xx_header( lzfd ) )
{
case IMAGE_OS2_SIGNATURE:
retv = find_ne_resource( lzfd, lpszResType, lpszResId,
&reslen, &dwFileOffset );
break;
case IMAGE_NT_SIGNATURE:
retv = find_pe_resource( lzfd, lpszResType, lpszResId,
&reslen, &dwFileOffset );
break;
}
if ( !retv )
{
LZClose( lzfd );
return 0;
}
}
LZSeek( lzfd, dwFileOffset, SEEK_SET );
reslen = LZRead( lzfd, lpvData, min( reslen, dwResLen ) );
LZClose( lzfd );
return reslen;
}
Reference in New Issue View Git Blame Copy Permalink