gstreamer/libs/winloader/pe_resource.c

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/*
* PE (Portable Execute) File Resources
*
* Copyright 1995 Thomas Sandford
* Copyright 1996 Martin von Loewis
*
* Based on the Win16 resource handling code in loader/resource.c
* Copyright 1993 Robert J. Amstadt
* Copyright 1995 Alexandre Julliard
* Copyright 1997 Marcus Meissner
*/
#include <stdlib.h>
#include <sys/types.h>
#include <wine/winestring.h>
#include <wine/windef.h>
#include <wine/pe_image.h>
#include <wine/module.h>
#include <wine/heap.h>
//#include "task.h"
//#include "process.h"
//#include "stackframe.h"
#include <wine/debugtools.h>
/**********************************************************************
* HMODULE32toPE_MODREF
*
* small helper function to get a PE_MODREF from a passed HMODULE32
*/
static PE_MODREF*
HMODULE32toPE_MODREF(HMODULE hmod) {
WINE_MODREF *wm;
wm = MODULE32_LookupHMODULE( hmod );
if (!wm || wm->type!=MODULE32_PE)
return NULL;
return &(wm->binfmt.pe);
}
/**********************************************************************
* GetResDirEntryW
*
* Helper function - goes down one level of PE resource tree
*
*/
PIMAGE_RESOURCE_DIRECTORY GetResDirEntryW(PIMAGE_RESOURCE_DIRECTORY resdirptr,
LPCWSTR name,DWORD root,
WIN_BOOL allowdefault)
{
int entrynum;
PIMAGE_RESOURCE_DIRECTORY_ENTRY entryTable;
int namelen;
if (HIWORD(name)) {
if (name[0]=='#') {
char buf[10];
lstrcpynWtoA(buf,name+1,10);
return GetResDirEntryW(resdirptr,(LPCWSTR)atoi(buf),root,allowdefault);
}
entryTable = (PIMAGE_RESOURCE_DIRECTORY_ENTRY) (
(BYTE *) resdirptr +
sizeof(IMAGE_RESOURCE_DIRECTORY));
namelen = lstrlenW(name);
for (entrynum = 0; entrynum < resdirptr->NumberOfNamedEntries; entrynum++)
{
PIMAGE_RESOURCE_DIR_STRING_U str =
(PIMAGE_RESOURCE_DIR_STRING_U) (root +
entryTable[entrynum].u1.s.NameOffset);
if(namelen != str->Length)
continue;
if(wcsnicmp(name,str->NameString,str->Length)==0)
return (PIMAGE_RESOURCE_DIRECTORY) (
root +
entryTable[entrynum].u2.s.OffsetToDirectory);
}
return NULL;
} else {
entryTable = (PIMAGE_RESOURCE_DIRECTORY_ENTRY) (
(BYTE *) resdirptr +
sizeof(IMAGE_RESOURCE_DIRECTORY) +
resdirptr->NumberOfNamedEntries * sizeof(IMAGE_RESOURCE_DIRECTORY_ENTRY));
for (entrynum = 0; entrynum < resdirptr->NumberOfIdEntries; entrynum++)
if ((DWORD)entryTable[entrynum].u1.Name == (DWORD)name)
return (PIMAGE_RESOURCE_DIRECTORY) (
root +
entryTable[entrynum].u2.s.OffsetToDirectory);
/* just use first entry if no default can be found */
if (allowdefault && !name && resdirptr->NumberOfIdEntries)
return (PIMAGE_RESOURCE_DIRECTORY) (
root +
entryTable[0].u2.s.OffsetToDirectory);
return NULL;
}
}
/**********************************************************************
* GetResDirEntryA
*/
PIMAGE_RESOURCE_DIRECTORY GetResDirEntryA( PIMAGE_RESOURCE_DIRECTORY resdirptr,
LPCSTR name, DWORD root,
WIN_BOOL allowdefault )
{
PIMAGE_RESOURCE_DIRECTORY retv;
LPWSTR nameW = HIWORD(name)? HEAP_strdupAtoW( GetProcessHeap(), 0, name )
: (LPWSTR)name;
retv = GetResDirEntryW( resdirptr, nameW, root, allowdefault );
if ( HIWORD(name) ) HeapFree( GetProcessHeap(), 0, nameW );
return retv;
}
/**********************************************************************
* PE_FindResourceEx32W
*/
HANDLE PE_FindResourceExW(
WINE_MODREF *wm,LPCWSTR name,LPCWSTR type,WORD lang
) {
PIMAGE_RESOURCE_DIRECTORY resdirptr;
DWORD root;
HANDLE result;
PE_MODREF *pem = &(wm->binfmt.pe);
if (!pem || !pem->pe_resource)
return 0;
resdirptr = pem->pe_resource;
root = (DWORD) resdirptr;
if ((resdirptr = GetResDirEntryW(resdirptr, type, root, FALSE)) == NULL)
return 0;
if ((resdirptr = GetResDirEntryW(resdirptr, name, root, FALSE)) == NULL)
return 0;
result = (HANDLE)GetResDirEntryW(resdirptr, (LPCWSTR)(UINT)lang, root, FALSE);
/* Try LANG_NEUTRAL, too */
if(!result)
return (HANDLE)GetResDirEntryW(resdirptr, (LPCWSTR)0, root, TRUE);
return result;
}
/**********************************************************************
* PE_LoadResource32
*/
HANDLE PE_LoadResource( WINE_MODREF *wm, HANDLE hRsrc )
{
if (!hRsrc || !wm || wm->type!=MODULE32_PE)
return 0;
return (HANDLE) (wm->module + ((PIMAGE_RESOURCE_DATA_ENTRY)hRsrc)->OffsetToData);
}
/**********************************************************************
* PE_SizeofResource32
*/
DWORD PE_SizeofResource( HINSTANCE hModule, HANDLE hRsrc )
{
/* we don't need hModule */
if (!hRsrc)
return 0;
return ((PIMAGE_RESOURCE_DATA_ENTRY)hRsrc)->Size;
}
/**********************************************************************
* PE_EnumResourceTypes32A
*/
WIN_BOOL
PE_EnumResourceTypesA(HMODULE hmod,ENUMRESTYPEPROCA lpfun,LONG lparam) {
PE_MODREF *pem = HMODULE32toPE_MODREF(hmod);
int i;
PIMAGE_RESOURCE_DIRECTORY resdir;
PIMAGE_RESOURCE_DIRECTORY_ENTRY et;
WIN_BOOL ret;
HANDLE heap = GetProcessHeap();
if (!pem || !pem->pe_resource)
return FALSE;
resdir = (PIMAGE_RESOURCE_DIRECTORY)pem->pe_resource;
et =(PIMAGE_RESOURCE_DIRECTORY_ENTRY)((LPBYTE)resdir+sizeof(IMAGE_RESOURCE_DIRECTORY));
ret = FALSE;
for (i=0;i<resdir->NumberOfNamedEntries+resdir->NumberOfIdEntries;i++) {
LPSTR name;
if (et[i].u1.s.NameIsString)
name = HEAP_strdupWtoA(heap,0,(LPWSTR)((LPBYTE)pem->pe_resource+et[i].u1.s.NameOffset));
else
name = (LPSTR)(int)et[i].u1.Id;
ret = lpfun(hmod,name,lparam);
if (HIWORD(name))
HeapFree(heap,0,name);
if (!ret)
break;
}
return ret;
}
/**********************************************************************
* PE_EnumResourceTypes32W
*/
WIN_BOOL
PE_EnumResourceTypesW(HMODULE hmod,ENUMRESTYPEPROCW lpfun,LONG lparam) {
PE_MODREF *pem = HMODULE32toPE_MODREF(hmod);
int i;
PIMAGE_RESOURCE_DIRECTORY resdir;
PIMAGE_RESOURCE_DIRECTORY_ENTRY et;
WIN_BOOL ret;
if (!pem || !pem->pe_resource)
return FALSE;
resdir = (PIMAGE_RESOURCE_DIRECTORY)pem->pe_resource;
et =(PIMAGE_RESOURCE_DIRECTORY_ENTRY)((LPBYTE)resdir+sizeof(IMAGE_RESOURCE_DIRECTORY));
ret = FALSE;
for (i=0;i<resdir->NumberOfNamedEntries+resdir->NumberOfIdEntries;i++) {
LPWSTR type;
if (et[i].u1.s.NameIsString)
type = (LPWSTR)((LPBYTE)pem->pe_resource+et[i].u1.s.NameOffset);
else
type = (LPWSTR)(int)et[i].u1.Id;
ret = lpfun(hmod,type,lparam);
if (!ret)
break;
}
return ret;
}
/**********************************************************************
* PE_EnumResourceNames32A
*/
WIN_BOOL
PE_EnumResourceNamesA(
HMODULE hmod,LPCSTR type,ENUMRESNAMEPROCA lpfun,LONG lparam
) {
PE_MODREF *pem = HMODULE32toPE_MODREF(hmod);
int i;
PIMAGE_RESOURCE_DIRECTORY resdir;
PIMAGE_RESOURCE_DIRECTORY_ENTRY et;
WIN_BOOL ret;
HANDLE heap = GetProcessHeap();
LPWSTR typeW;
if (!pem || !pem->pe_resource)
return FALSE;
resdir = (PIMAGE_RESOURCE_DIRECTORY)pem->pe_resource;
if (HIWORD(type))
typeW = HEAP_strdupAtoW(heap,0,type);
else
typeW = (LPWSTR)type;
resdir = GetResDirEntryW(resdir,typeW,(DWORD)pem->pe_resource,FALSE);
if (HIWORD(typeW))
HeapFree(heap,0,typeW);
if (!resdir)
return FALSE;
et =(PIMAGE_RESOURCE_DIRECTORY_ENTRY)((LPBYTE)resdir+sizeof(IMAGE_RESOURCE_DIRECTORY));
ret = FALSE;
for (i=0;i<resdir->NumberOfNamedEntries+resdir->NumberOfIdEntries;i++) {
LPSTR name;
if (et[i].u1.s.NameIsString)
name = HEAP_strdupWtoA(heap,0,(LPWSTR)((LPBYTE)pem->pe_resource+et[i].u1.s.NameOffset));
else
name = (LPSTR)(int)et[i].u1.Id;
ret = lpfun(hmod,type,name,lparam);
if (HIWORD(name)) HeapFree(heap,0,name);
if (!ret)
break;
}
return ret;
}
/**********************************************************************
* PE_EnumResourceNames32W
*/
WIN_BOOL
PE_EnumResourceNamesW(
HMODULE hmod,LPCWSTR type,ENUMRESNAMEPROCW lpfun,LONG lparam
) {
PE_MODREF *pem = HMODULE32toPE_MODREF(hmod);
int i;
PIMAGE_RESOURCE_DIRECTORY resdir;
PIMAGE_RESOURCE_DIRECTORY_ENTRY et;
WIN_BOOL ret;
if (!pem || !pem->pe_resource)
return FALSE;
resdir = (PIMAGE_RESOURCE_DIRECTORY)pem->pe_resource;
resdir = GetResDirEntryW(resdir,type,(DWORD)pem->pe_resource,FALSE);
if (!resdir)
return FALSE;
et =(PIMAGE_RESOURCE_DIRECTORY_ENTRY)((LPBYTE)resdir+sizeof(IMAGE_RESOURCE_DIRECTORY));
ret = FALSE;
for (i=0;i<resdir->NumberOfNamedEntries+resdir->NumberOfIdEntries;i++) {
LPWSTR name;
if (et[i].u1.s.NameIsString)
name = (LPWSTR)((LPBYTE)pem->pe_resource+et[i].u1.s.NameOffset);
else
name = (LPWSTR)(int)et[i].u1.Id;
ret = lpfun(hmod,type,name,lparam);
if (!ret)
break;
}
return ret;
}
/**********************************************************************
* PE_EnumResourceNames32A
*/
WIN_BOOL
PE_EnumResourceLanguagesA(
HMODULE hmod,LPCSTR name,LPCSTR type,ENUMRESLANGPROCA lpfun,
LONG lparam
) {
PE_MODREF *pem = HMODULE32toPE_MODREF(hmod);
int i;
PIMAGE_RESOURCE_DIRECTORY resdir;
PIMAGE_RESOURCE_DIRECTORY_ENTRY et;
WIN_BOOL ret;
HANDLE heap = GetProcessHeap();
LPWSTR nameW,typeW;
if (!pem || !pem->pe_resource)
return FALSE;
resdir = (PIMAGE_RESOURCE_DIRECTORY)pem->pe_resource;
if (HIWORD(name))
nameW = HEAP_strdupAtoW(heap,0,name);
else
nameW = (LPWSTR)name;
resdir = GetResDirEntryW(resdir,nameW,(DWORD)pem->pe_resource,FALSE);
if (HIWORD(nameW))
HeapFree(heap,0,nameW);
if (!resdir)
return FALSE;
if (HIWORD(type))
typeW = HEAP_strdupAtoW(heap,0,type);
else
typeW = (LPWSTR)type;
resdir = GetResDirEntryW(resdir,typeW,(DWORD)pem->pe_resource,FALSE);
if (HIWORD(typeW))
HeapFree(heap,0,typeW);
if (!resdir)
return FALSE;
et =(PIMAGE_RESOURCE_DIRECTORY_ENTRY)((LPBYTE)resdir+sizeof(IMAGE_RESOURCE_DIRECTORY));
ret = FALSE;
for (i=0;i<resdir->NumberOfNamedEntries+resdir->NumberOfIdEntries;i++) {
/* languages are just ids... I hopem */
ret = lpfun(hmod,name,type,et[i].u1.Id,lparam);
if (!ret)
break;
}
return ret;
}
/**********************************************************************
* PE_EnumResourceLanguages32W
*/
WIN_BOOL
PE_EnumResourceLanguagesW(
HMODULE hmod,LPCWSTR name,LPCWSTR type,ENUMRESLANGPROCW lpfun,
LONG lparam
) {
PE_MODREF *pem = HMODULE32toPE_MODREF(hmod);
int i;
PIMAGE_RESOURCE_DIRECTORY resdir;
PIMAGE_RESOURCE_DIRECTORY_ENTRY et;
WIN_BOOL ret;
if (!pem || !pem->pe_resource)
return FALSE;
resdir = (PIMAGE_RESOURCE_DIRECTORY)pem->pe_resource;
resdir = GetResDirEntryW(resdir,name,(DWORD)pem->pe_resource,FALSE);
if (!resdir)
return FALSE;
resdir = GetResDirEntryW(resdir,type,(DWORD)pem->pe_resource,FALSE);
if (!resdir)
return FALSE;
et =(PIMAGE_RESOURCE_DIRECTORY_ENTRY)((LPBYTE)resdir+sizeof(IMAGE_RESOURCE_DIRECTORY));
ret = FALSE;
for (i=0;i<resdir->NumberOfNamedEntries+resdir->NumberOfIdEntries;i++) {
ret = lpfun(hmod,name,type,et[i].u1.Id,lparam);
if (!ret)
break;
}
return ret;
}