Sweden-Number/dlls/kernelbase/loader.c

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/*
* Module loader
*
* Copyright 1993 Robert J. Amstadt
* Copyright 2006 Mike McCormack
* Copyright 1995, 2003, 2019 Alexandre Julliard
*
* 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 <stdarg.h>
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "winnls.h"
#include "winternl.h"
#include "kernelbase.h"
#include "wine/list.h"
#include "wine/asm.h"
#include "wine/debug.h"
#include "wine/exception.h"
WINE_DEFAULT_DEBUG_CHANNEL(module);
/* to keep track of LOAD_LIBRARY_AS_DATAFILE_EXCLUSIVE file handles */
struct exclusive_datafile
{
struct list entry;
HMODULE module;
HANDLE file;
};
static struct list exclusive_datafile_list = LIST_INIT( exclusive_datafile_list );
/***********************************************************************
* Modules
***********************************************************************/
/******************************************************************
* get_proc_address
*/
FARPROC WINAPI get_proc_address( HMODULE module, LPCSTR function )
{
FARPROC proc;
ANSI_STRING str;
if (!module) module = NtCurrentTeb()->Peb->ImageBaseAddress;
if ((ULONG_PTR)function >> 16)
{
RtlInitAnsiString( &str, function );
if (!set_ntstatus( LdrGetProcedureAddress( module, &str, 0, (void**)&proc ))) return NULL;
}
else if (!set_ntstatus( LdrGetProcedureAddress( module, NULL, LOWORD(function), (void**)&proc )))
return NULL;
return proc;
}
/******************************************************************
* load_library_as_datafile
*/
static BOOL load_library_as_datafile( LPCWSTR load_path, DWORD flags, LPCWSTR name, HMODULE *mod_ret )
{
WCHAR filenameW[MAX_PATH];
HANDLE mapping, file = INVALID_HANDLE_VALUE;
HMODULE module = 0;
DWORD protect = PAGE_READONLY;
*mod_ret = 0;
if (flags & LOAD_LIBRARY_AS_IMAGE_RESOURCE) protect |= SEC_IMAGE;
if (SearchPathW( NULL, name, L".dll", ARRAY_SIZE( filenameW ), filenameW, NULL ))
{
file = CreateFileW( filenameW, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_DELETE,
NULL, OPEN_EXISTING, 0, 0 );
}
if (file == INVALID_HANDLE_VALUE) return FALSE;
mapping = CreateFileMappingW( file, NULL, protect, 0, 0, NULL );
if (!mapping) goto failed;
module = MapViewOfFile( mapping, FILE_MAP_READ, 0, 0, 0 );
CloseHandle( mapping );
if (!module) goto failed;
if (!(flags & LOAD_LIBRARY_AS_IMAGE_RESOURCE))
{
/* make sure it's a valid PE file */
if (!RtlImageNtHeader( module )) goto failed;
*mod_ret = (HMODULE)((char *)module + 1); /* set bit 0 for data file module */
if (flags & LOAD_LIBRARY_AS_DATAFILE_EXCLUSIVE)
{
struct exclusive_datafile *datafile = HeapAlloc( GetProcessHeap(), 0, sizeof(*datafile) );
if (!datafile) goto failed;
datafile->module = *mod_ret;
datafile->file = file;
list_add_head( &exclusive_datafile_list, &datafile->entry );
TRACE( "delaying close %p for module %p\n", datafile->file, datafile->module );
return TRUE;
}
}
else *mod_ret = (HMODULE)((char *)module + 2); /* set bit 1 for image resource module */
CloseHandle( file );
return TRUE;
failed:
if (module) UnmapViewOfFile( module );
CloseHandle( file );
return FALSE;
}
/******************************************************************
* load_library
*/
static HMODULE load_library( const UNICODE_STRING *libname, DWORD flags )
{
const DWORD unsupported_flags = LOAD_IGNORE_CODE_AUTHZ_LEVEL | LOAD_LIBRARY_REQUIRE_SIGNED_TARGET;
NTSTATUS status;
HMODULE module;
WCHAR *load_path, *dummy;
if (flags & unsupported_flags) FIXME( "unsupported flag(s) used %#08x\n", flags );
if (!set_ntstatus( LdrGetDllPath( libname->Buffer, flags, &load_path, &dummy ))) return 0;
if (flags & (LOAD_LIBRARY_AS_DATAFILE | LOAD_LIBRARY_AS_DATAFILE_EXCLUSIVE |
LOAD_LIBRARY_AS_IMAGE_RESOURCE))
{
ULONG_PTR magic;
LdrLockLoaderLock( 0, NULL, &magic );
if (!LdrGetDllHandle( load_path, flags, libname, &module ))
{
LdrAddRefDll( 0, module );
LdrUnlockLoaderLock( 0, magic );
goto done;
}
if (load_library_as_datafile( load_path, flags, libname->Buffer, &module ))
{
LdrUnlockLoaderLock( 0, magic );
goto done;
}
LdrUnlockLoaderLock( 0, magic );
flags |= DONT_RESOLVE_DLL_REFERENCES; /* Just in case */
/* Fallback to normal behaviour */
}
status = LdrLoadDll( load_path, flags, libname, &module );
if (status != STATUS_SUCCESS)
{
module = 0;
if (status == STATUS_DLL_NOT_FOUND && (GetVersion() & 0x80000000))
SetLastError( ERROR_DLL_NOT_FOUND );
else
SetLastError( RtlNtStatusToDosError( status ) );
}
done:
RtlReleasePath( load_path );
return module;
}
/****************************************************************************
* AddDllDirectory (kernelbase.@)
*/
DLL_DIRECTORY_COOKIE WINAPI DECLSPEC_HOTPATCH AddDllDirectory( const WCHAR *dir )
{
UNICODE_STRING str;
void *cookie;
RtlInitUnicodeString( &str, dir );
if (!set_ntstatus( LdrAddDllDirectory( &str, &cookie ))) return NULL;
return cookie;
}
/***********************************************************************
* DelayLoadFailureHook (kernelbase.@)
*/
FARPROC WINAPI DECLSPEC_HOTPATCH DelayLoadFailureHook( LPCSTR name, LPCSTR function )
{
ULONG_PTR args[2];
if ((ULONG_PTR)function >> 16)
ERR( "failed to delay load %s.%s\n", name, function );
else
ERR( "failed to delay load %s.%u\n", name, LOWORD(function) );
args[0] = (ULONG_PTR)name;
args[1] = (ULONG_PTR)function;
RaiseException( EXCEPTION_WINE_STUB, EH_NONCONTINUABLE, 2, args );
return NULL;
}
/****************************************************************************
* DisableThreadLibraryCalls (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH DisableThreadLibraryCalls( HMODULE module )
{
return set_ntstatus( LdrDisableThreadCalloutsForDll( module ));
}
/***********************************************************************
* FreeLibrary (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH FreeLibrary( HINSTANCE module )
{
if (!module)
{
SetLastError( ERROR_INVALID_HANDLE );
return FALSE;
}
if ((ULONG_PTR)module & 3) /* this is a datafile module */
{
void *ptr = (void *)((ULONG_PTR)module & ~3);
if (!RtlImageNtHeader( ptr ))
{
SetLastError( ERROR_BAD_EXE_FORMAT );
return FALSE;
}
if ((ULONG_PTR)module & 1)
{
struct exclusive_datafile *file;
ULONG_PTR magic;
LdrLockLoaderLock( 0, NULL, &magic );
LIST_FOR_EACH_ENTRY( file, &exclusive_datafile_list, struct exclusive_datafile, entry )
{
if (file->module != module) continue;
TRACE( "closing %p for module %p\n", file->file, file->module );
CloseHandle( file->file );
list_remove( &file->entry );
HeapFree( GetProcessHeap(), 0, file );
break;
}
LdrUnlockLoaderLock( 0, magic );
}
return UnmapViewOfFile( ptr );
}
return set_ntstatus( LdrUnloadDll( module ));
}
/***********************************************************************
* GetModuleFileNameA (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH GetModuleFileNameA( HMODULE module, LPSTR filename, DWORD size )
{
LPWSTR filenameW = HeapAlloc( GetProcessHeap(), 0, size * sizeof(WCHAR) );
DWORD len;
if (!filenameW)
{
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
return 0;
}
if ((len = GetModuleFileNameW( module, filenameW, size )))
{
len = file_name_WtoA( filenameW, len, filename, size );
if (len < size)
filename[len] = 0;
else
SetLastError( ERROR_INSUFFICIENT_BUFFER );
}
HeapFree( GetProcessHeap(), 0, filenameW );
return len;
}
/***********************************************************************
* GetModuleFileNameW (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH GetModuleFileNameW( HMODULE module, LPWSTR filename, DWORD size )
{
ULONG len = 0;
ULONG_PTR magic;
LDR_MODULE *pldr;
WIN16_SUBSYSTEM_TIB *win16_tib;
if (!module && ((win16_tib = NtCurrentTeb()->Tib.SubSystemTib)) && win16_tib->exe_name)
{
len = min( size, win16_tib->exe_name->Length / sizeof(WCHAR) );
memcpy( filename, win16_tib->exe_name->Buffer, len * sizeof(WCHAR) );
if (len < size) filename[len] = 0;
goto done;
}
LdrLockLoaderLock( 0, NULL, &magic );
if (!module) module = NtCurrentTeb()->Peb->ImageBaseAddress;
if (set_ntstatus( LdrFindEntryForAddress( module, &pldr )))
{
len = min( size, pldr->FullDllName.Length / sizeof(WCHAR) );
memcpy( filename, pldr->FullDllName.Buffer, len * sizeof(WCHAR) );
if (len < size)
{
filename[len] = 0;
SetLastError( 0 );
}
else SetLastError( ERROR_INSUFFICIENT_BUFFER );
}
LdrUnlockLoaderLock( 0, magic );
done:
TRACE( "%s\n", debugstr_wn(filename, len) );
return len;
}
/***********************************************************************
* GetModuleHandleA (kernelbase.@)
*/
HMODULE WINAPI DECLSPEC_HOTPATCH GetModuleHandleA( LPCSTR module )
{
HMODULE ret;
GetModuleHandleExA( GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT, module, &ret );
return ret;
}
/***********************************************************************
* GetModuleHandleW (kernelbase.@)
*/
HMODULE WINAPI DECLSPEC_HOTPATCH GetModuleHandleW( LPCWSTR module )
{
HMODULE ret;
GetModuleHandleExW( GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT, module, &ret );
return ret;
}
/***********************************************************************
* GetModuleHandleExA (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetModuleHandleExA( DWORD flags, LPCSTR name, HMODULE *module )
{
WCHAR *nameW;
if (!name || (flags & GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS))
return GetModuleHandleExW( flags, (LPCWSTR)name, module );
if (!(nameW = file_name_AtoW( name, FALSE ))) return FALSE;
return GetModuleHandleExW( flags, nameW, module );
}
/***********************************************************************
* GetModuleHandleExW (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetModuleHandleExW( DWORD flags, LPCWSTR name, HMODULE *module )
{
NTSTATUS status = STATUS_SUCCESS;
HMODULE ret = NULL;
ULONG_PTR magic;
BOOL lock;
if (!module)
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
/* if we are messing with the refcount, grab the loader lock */
lock = (flags & GET_MODULE_HANDLE_EX_FLAG_PIN) || !(flags & GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT);
if (lock) LdrLockLoaderLock( 0, NULL, &magic );
if (!name)
{
ret = NtCurrentTeb()->Peb->ImageBaseAddress;
}
else if (flags & GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS)
{
void *dummy;
if (!(ret = RtlPcToFileHeader( (void *)name, &dummy ))) status = STATUS_DLL_NOT_FOUND;
}
else
{
UNICODE_STRING wstr;
RtlInitUnicodeString( &wstr, name );
status = LdrGetDllHandle( NULL, 0, &wstr, &ret );
}
if (status == STATUS_SUCCESS)
{
if (flags & GET_MODULE_HANDLE_EX_FLAG_PIN)
LdrAddRefDll( LDR_ADDREF_DLL_PIN, ret );
else if (!(flags & GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT))
LdrAddRefDll( 0, ret );
}
if (lock) LdrUnlockLoaderLock( 0, magic );
*module = ret;
return set_ntstatus( status );
}
/***********************************************************************
* GetProcAddress (kernelbase.@)
*/
#ifdef __x86_64__
/*
* Work around a Delphi bug on x86_64. When delay loading a symbol,
* Delphi saves rcx, rdx, r8 and r9 to the stack. It then calls
* GetProcAddress(), pops the saved registers and calls the function.
* This works fine if all of the parameters are ints. However, since
* it does not save xmm0 - 3, it relies on GetProcAddress() preserving
* these registers if the function takes floating point parameters.
* This wrapper saves xmm0 - 3 to the stack.
*/
__ASM_GLOBAL_FUNC( GetProcAddress,
".byte 0x48\n\t" /* hotpatch prolog */
"pushq %rbp\n\t"
__ASM_SEH(".seh_pushreg %rbp\n\t")
__ASM_CFI(".cfi_adjust_cfa_offset 8\n\t")
__ASM_CFI(".cfi_rel_offset %rbp,0\n\t")
"movq %rsp,%rbp\n\t"
__ASM_SEH(".seh_setframe %rbp,0\n\t")
__ASM_CFI(".cfi_def_cfa_register %rbp\n\t")
"subq $0x60,%rsp\n\t"
__ASM_SEH(".seh_stackalloc 0x60\n\t")
__ASM_SEH(".seh_endprologue\n\t")
"movaps %xmm0,-0x10(%rbp)\n\t"
"movaps %xmm1,-0x20(%rbp)\n\t"
"movaps %xmm2,-0x30(%rbp)\n\t"
"movaps %xmm3,-0x40(%rbp)\n\t"
"call " __ASM_NAME("get_proc_address") "\n\t"
"movaps -0x40(%rbp), %xmm3\n\t"
"movaps -0x30(%rbp), %xmm2\n\t"
"movaps -0x20(%rbp), %xmm1\n\t"
"movaps -0x10(%rbp), %xmm0\n\t"
"leaq 0(%rbp),%rsp\n\t"
__ASM_CFI(".cfi_def_cfa_register %rsp\n\t")
"popq %rbp\n\t"
__ASM_CFI(".cfi_adjust_cfa_offset -8\n\t")
__ASM_CFI(".cfi_same_value %rbp\n\t")
"ret" )
#else /* __x86_64__ */
FARPROC WINAPI DECLSPEC_HOTPATCH GetProcAddress( HMODULE module, LPCSTR function )
{
return get_proc_address( module, function );
}
#endif /* __x86_64__ */
/***********************************************************************
* LoadLibraryA (kernelbase.@)
*/
HMODULE WINAPI DECLSPEC_HOTPATCH LoadLibraryA( LPCSTR name )
{
return LoadLibraryExA( name, 0, 0 );
}
/***********************************************************************
* LoadLibraryW (kernelbase.@)
*/
HMODULE WINAPI DECLSPEC_HOTPATCH LoadLibraryW( LPCWSTR name )
{
return LoadLibraryExW( name, 0, 0 );
}
/******************************************************************
* LoadLibraryExA (kernelbase.@)
*/
HMODULE WINAPI DECLSPEC_HOTPATCH LoadLibraryExA( LPCSTR name, HANDLE file, DWORD flags )
{
WCHAR *nameW;
if (!(nameW = file_name_AtoW( name, FALSE ))) return 0;
return LoadLibraryExW( nameW, file, flags );
}
/***********************************************************************
* LoadLibraryExW (kernelbase.@)
*/
HMODULE WINAPI DECLSPEC_HOTPATCH LoadLibraryExW( LPCWSTR name, HANDLE file, DWORD flags )
{
UNICODE_STRING str;
HMODULE module;
if (!name)
{
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
RtlInitUnicodeString( &str, name );
if (str.Buffer[str.Length/sizeof(WCHAR) - 1] != ' ') return load_library( &str, flags );
/* library name has trailing spaces */
RtlCreateUnicodeString( &str, name );
while (str.Length > sizeof(WCHAR) && str.Buffer[str.Length/sizeof(WCHAR) - 1] == ' ')
str.Length -= sizeof(WCHAR);
str.Buffer[str.Length/sizeof(WCHAR)] = 0;
module = load_library( &str, flags );
RtlFreeUnicodeString( &str );
return module;
}
/***********************************************************************
* LoadPackagedLibrary (kernelbase.@)
*/
HMODULE WINAPI /* DECLSPEC_HOTPATCH */ LoadPackagedLibrary( LPCWSTR name, DWORD reserved )
{
FIXME( "semi-stub, name %s, reserved %#x.\n", debugstr_w(name), reserved );
SetLastError( APPMODEL_ERROR_NO_PACKAGE );
return NULL;
}
/****************************************************************************
* RemoveDllDirectory (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH RemoveDllDirectory( DLL_DIRECTORY_COOKIE cookie )
{
return set_ntstatus( LdrRemoveDllDirectory( cookie ));
}
/*************************************************************************
* SetDefaultDllDirectories (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetDefaultDllDirectories( DWORD flags )
{
return set_ntstatus( LdrSetDefaultDllDirectories( flags ));
}
/***********************************************************************
* Resources
***********************************************************************/
#define IS_INTRESOURCE(x) (((ULONG_PTR)(x) >> 16) == 0)
/* retrieve the resource name to pass to the ntdll functions */
static NTSTATUS get_res_nameA( LPCSTR name, UNICODE_STRING *str )
{
if (IS_INTRESOURCE(name))
{
str->Buffer = ULongToPtr( LOWORD(name) );
return STATUS_SUCCESS;
}
if (name[0] == '#')
{
ULONG value;
if (RtlCharToInteger( name + 1, 10, &value ) != STATUS_SUCCESS || HIWORD(value))
return STATUS_INVALID_PARAMETER;
str->Buffer = ULongToPtr(value);
return STATUS_SUCCESS;
}
RtlCreateUnicodeStringFromAsciiz( str, name );
RtlUpcaseUnicodeString( str, str, FALSE );
return STATUS_SUCCESS;
}
/* retrieve the resource name to pass to the ntdll functions */
static NTSTATUS get_res_nameW( LPCWSTR name, UNICODE_STRING *str )
{
if (IS_INTRESOURCE(name))
{
str->Buffer = ULongToPtr( LOWORD(name) );
return STATUS_SUCCESS;
}
if (name[0] == '#')
{
ULONG value;
RtlInitUnicodeString( str, name + 1 );
if (RtlUnicodeStringToInteger( str, 10, &value ) != STATUS_SUCCESS || HIWORD(value))
return STATUS_INVALID_PARAMETER;
str->Buffer = ULongToPtr(value);
return STATUS_SUCCESS;
}
RtlCreateUnicodeString( str, name );
RtlUpcaseUnicodeString( str, str, FALSE );
return STATUS_SUCCESS;
}
/**********************************************************************
* EnumResourceLanguagesExA (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH EnumResourceLanguagesExA( HMODULE module, LPCSTR type, LPCSTR name,
ENUMRESLANGPROCA func, LONG_PTR param,
DWORD flags, LANGID lang )
{
int i;
BOOL ret = FALSE;
NTSTATUS status;
UNICODE_STRING typeW, nameW;
LDR_RESOURCE_INFO info;
const IMAGE_RESOURCE_DIRECTORY *basedir, *resdir;
const IMAGE_RESOURCE_DIRECTORY_ENTRY *et;
TRACE( "%p %s %s %p %lx %x %d\n", module, debugstr_a(type), debugstr_a(name),
func, param, flags, lang );
if (flags & (RESOURCE_ENUM_MUI | RESOURCE_ENUM_MUI_SYSTEM | RESOURCE_ENUM_VALIDATE))
FIXME( "unimplemented flags: %x\n", flags );
if (!flags) flags = RESOURCE_ENUM_LN | RESOURCE_ENUM_MUI;
if (!(flags & RESOURCE_ENUM_LN)) return ret;
if (!module) module = GetModuleHandleW( 0 );
typeW.Buffer = nameW.Buffer = NULL;
if ((status = LdrFindResourceDirectory_U( module, NULL, 0, &basedir )) != STATUS_SUCCESS)
goto done;
if ((status = get_res_nameA( type, &typeW )) != STATUS_SUCCESS)
goto done;
if ((status = get_res_nameA( name, &nameW )) != STATUS_SUCCESS)
goto done;
info.Type = (ULONG_PTR)typeW.Buffer;
info.Name = (ULONG_PTR)nameW.Buffer;
if ((status = LdrFindResourceDirectory_U( module, &info, 2, &resdir )) != STATUS_SUCCESS)
goto done;
et = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(resdir + 1);
__TRY
{
for (i = 0; i < resdir->NumberOfNamedEntries + resdir->NumberOfIdEntries; i++)
{
ret = func( module, type, name, et[i].u.Id, param );
if (!ret) break;
}
}
__EXCEPT_PAGE_FAULT
{
ret = FALSE;
status = STATUS_ACCESS_VIOLATION;
}
__ENDTRY
done:
if (!IS_INTRESOURCE(typeW.Buffer)) HeapFree( GetProcessHeap(), 0, typeW.Buffer );
if (!IS_INTRESOURCE(nameW.Buffer)) HeapFree( GetProcessHeap(), 0, nameW.Buffer );
if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
return ret;
}
/**********************************************************************
* EnumResourceLanguagesExW (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH EnumResourceLanguagesExW( HMODULE module, LPCWSTR type, LPCWSTR name,
ENUMRESLANGPROCW func, LONG_PTR param,
DWORD flags, LANGID lang )
{
int i;
BOOL ret = FALSE;
NTSTATUS status;
UNICODE_STRING typeW, nameW;
LDR_RESOURCE_INFO info;
const IMAGE_RESOURCE_DIRECTORY *basedir, *resdir;
const IMAGE_RESOURCE_DIRECTORY_ENTRY *et;
TRACE( "%p %s %s %p %lx %x %d\n", module, debugstr_w(type), debugstr_w(name),
func, param, flags, lang );
if (flags & (RESOURCE_ENUM_MUI | RESOURCE_ENUM_MUI_SYSTEM | RESOURCE_ENUM_VALIDATE))
FIXME( "unimplemented flags: %x\n", flags );
if (!flags) flags = RESOURCE_ENUM_LN | RESOURCE_ENUM_MUI;
if (!(flags & RESOURCE_ENUM_LN)) return ret;
if (!module) module = GetModuleHandleW( 0 );
typeW.Buffer = nameW.Buffer = NULL;
if ((status = LdrFindResourceDirectory_U( module, NULL, 0, &basedir )) != STATUS_SUCCESS)
goto done;
if ((status = get_res_nameW( type, &typeW )) != STATUS_SUCCESS)
goto done;
if ((status = get_res_nameW( name, &nameW )) != STATUS_SUCCESS)
goto done;
info.Type = (ULONG_PTR)typeW.Buffer;
info.Name = (ULONG_PTR)nameW.Buffer;
if ((status = LdrFindResourceDirectory_U( module, &info, 2, &resdir )) != STATUS_SUCCESS)
goto done;
et = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(resdir + 1);
__TRY
{
for (i = 0; i < resdir->NumberOfNamedEntries + resdir->NumberOfIdEntries; i++)
{
ret = func( module, type, name, et[i].u.Id, param );
if (!ret) break;
}
}
__EXCEPT_PAGE_FAULT
{
ret = FALSE;
status = STATUS_ACCESS_VIOLATION;
}
__ENDTRY
done:
if (!IS_INTRESOURCE(typeW.Buffer)) HeapFree( GetProcessHeap(), 0, typeW.Buffer );
if (!IS_INTRESOURCE(nameW.Buffer)) HeapFree( GetProcessHeap(), 0, nameW.Buffer );
if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
return ret;
}
/**********************************************************************
* EnumResourceNamesExA (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH EnumResourceNamesExA( HMODULE module, LPCSTR type, ENUMRESNAMEPROCA func,
LONG_PTR param, DWORD flags, LANGID lang )
{
int i;
BOOL ret = FALSE;
DWORD len = 0, newlen;
LPSTR name = NULL;
NTSTATUS status;
UNICODE_STRING typeW;
LDR_RESOURCE_INFO info;
const IMAGE_RESOURCE_DIRECTORY *basedir, *resdir;
const IMAGE_RESOURCE_DIRECTORY_ENTRY *et;
const IMAGE_RESOURCE_DIR_STRING_U *str;
TRACE( "%p %s %p %lx\n", module, debugstr_a(type), func, param );
if (flags & (RESOURCE_ENUM_MUI | RESOURCE_ENUM_MUI_SYSTEM | RESOURCE_ENUM_VALIDATE))
FIXME( "unimplemented flags: %x\n", flags );
if (!flags) flags = RESOURCE_ENUM_LN | RESOURCE_ENUM_MUI;
if (!(flags & RESOURCE_ENUM_LN)) return ret;
if (!module) module = GetModuleHandleW( 0 );
typeW.Buffer = NULL;
if ((status = LdrFindResourceDirectory_U( module, NULL, 0, &basedir )) != STATUS_SUCCESS)
goto done;
if ((status = get_res_nameA( type, &typeW )) != STATUS_SUCCESS)
goto done;
info.Type = (ULONG_PTR)typeW.Buffer;
if ((status = LdrFindResourceDirectory_U( module, &info, 1, &resdir )) != STATUS_SUCCESS)
goto done;
et = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(resdir + 1);
__TRY
{
for (i = 0; i < resdir->NumberOfNamedEntries+resdir->NumberOfIdEntries; i++)
{
if (et[i].u.s.NameIsString)
{
str = (const IMAGE_RESOURCE_DIR_STRING_U *)((const BYTE *)basedir + et[i].u.s.NameOffset);
newlen = WideCharToMultiByte(CP_ACP, 0, str->NameString, str->Length, NULL, 0, NULL, NULL);
if (newlen + 1 > len)
{
len = newlen + 1;
HeapFree( GetProcessHeap(), 0, name );
if (!(name = HeapAlloc( GetProcessHeap(), 0, len + 1 )))
{
ret = FALSE;
break;
}
}
WideCharToMultiByte( CP_ACP, 0, str->NameString, str->Length, name, len, NULL, NULL );
name[newlen] = 0;
ret = func( module, type, name, param );
}
else
{
ret = func( module, type, UIntToPtr(et[i].u.Id), param );
}
if (!ret) break;
}
}
__EXCEPT_PAGE_FAULT
{
ret = FALSE;
status = STATUS_ACCESS_VIOLATION;
}
__ENDTRY
done:
HeapFree( GetProcessHeap(), 0, name );
if (!IS_INTRESOURCE(typeW.Buffer)) HeapFree( GetProcessHeap(), 0, typeW.Buffer );
if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
return ret;
}
/**********************************************************************
* EnumResourceNamesExW (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH EnumResourceNamesExW( HMODULE module, LPCWSTR type, ENUMRESNAMEPROCW func,
LONG_PTR param, DWORD flags, LANGID lang )
{
int i, len = 0;
BOOL ret = FALSE;
LPWSTR name = NULL;
NTSTATUS status;
UNICODE_STRING typeW;
LDR_RESOURCE_INFO info;
const IMAGE_RESOURCE_DIRECTORY *basedir, *resdir;
const IMAGE_RESOURCE_DIRECTORY_ENTRY *et;
const IMAGE_RESOURCE_DIR_STRING_U *str;
TRACE( "%p %s %p %lx\n", module, debugstr_w(type), func, param );
if (flags & (RESOURCE_ENUM_MUI | RESOURCE_ENUM_MUI_SYSTEM | RESOURCE_ENUM_VALIDATE))
FIXME( "unimplemented flags: %x\n", flags );
if (!flags) flags = RESOURCE_ENUM_LN | RESOURCE_ENUM_MUI;
if (!(flags & RESOURCE_ENUM_LN)) return ret;
if (!module) module = GetModuleHandleW( 0 );
typeW.Buffer = NULL;
if ((status = LdrFindResourceDirectory_U( module, NULL, 0, &basedir )) != STATUS_SUCCESS)
goto done;
if ((status = get_res_nameW( type, &typeW )) != STATUS_SUCCESS)
goto done;
info.Type = (ULONG_PTR)typeW.Buffer;
if ((status = LdrFindResourceDirectory_U( module, &info, 1, &resdir )) != STATUS_SUCCESS)
goto done;
et = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(resdir + 1);
__TRY
{
for (i = 0; i < resdir->NumberOfNamedEntries+resdir->NumberOfIdEntries; i++)
{
if (et[i].u.s.NameIsString)
{
str = (const IMAGE_RESOURCE_DIR_STRING_U *)((const BYTE *)basedir + et[i].u.s.NameOffset);
if (str->Length + 1 > len)
{
len = str->Length + 1;
HeapFree( GetProcessHeap(), 0, name );
if (!(name = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
{
ret = FALSE;
break;
}
}
memcpy(name, str->NameString, str->Length * sizeof (WCHAR));
name[str->Length] = 0;
ret = func( module, type, name, param );
}
else
{
ret = func( module, type, UIntToPtr(et[i].u.Id), param );
}
if (!ret) break;
}
}
__EXCEPT_PAGE_FAULT
{
ret = FALSE;
status = STATUS_ACCESS_VIOLATION;
}
__ENDTRY
done:
HeapFree( GetProcessHeap(), 0, name );
if (!IS_INTRESOURCE(typeW.Buffer)) HeapFree( GetProcessHeap(), 0, typeW.Buffer );
if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
return ret;
}
/**********************************************************************
* EnumResourceNamesW (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH EnumResourceNamesW( HMODULE module, LPCWSTR type,
ENUMRESNAMEPROCW func, LONG_PTR param )
{
return EnumResourceNamesExW( module, type, func, param, 0, 0 );
}
/**********************************************************************
* EnumResourceTypesExA (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH EnumResourceTypesExA( HMODULE module, ENUMRESTYPEPROCA func, LONG_PTR param,
DWORD flags, LANGID lang )
{
int i;
BOOL ret = FALSE;
LPSTR type = NULL;
DWORD len = 0, newlen;
const IMAGE_RESOURCE_DIRECTORY *resdir;
const IMAGE_RESOURCE_DIRECTORY_ENTRY *et;
const IMAGE_RESOURCE_DIR_STRING_U *str;
TRACE( "%p %p %lx\n", module, func, param );
if (flags & (RESOURCE_ENUM_MUI | RESOURCE_ENUM_MUI_SYSTEM | RESOURCE_ENUM_VALIDATE))
FIXME( "unimplemented flags: %x\n", flags );
if (!flags) flags = RESOURCE_ENUM_LN | RESOURCE_ENUM_MUI;
if (!(flags & RESOURCE_ENUM_LN)) return ret;
if (!module) module = GetModuleHandleW( 0 );
if (!set_ntstatus( LdrFindResourceDirectory_U( module, NULL, 0, &resdir ))) return FALSE;
et = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(resdir + 1);
for (i = 0; i < resdir->NumberOfNamedEntries+resdir->NumberOfIdEntries; i++)
{
if (et[i].u.s.NameIsString)
{
str = (const IMAGE_RESOURCE_DIR_STRING_U *)((const BYTE *)resdir + et[i].u.s.NameOffset);
newlen = WideCharToMultiByte( CP_ACP, 0, str->NameString, str->Length, NULL, 0, NULL, NULL);
if (newlen + 1 > len)
{
len = newlen + 1;
HeapFree( GetProcessHeap(), 0, type );
if (!(type = HeapAlloc( GetProcessHeap(), 0, len ))) return FALSE;
}
WideCharToMultiByte( CP_ACP, 0, str->NameString, str->Length, type, len, NULL, NULL);
type[newlen] = 0;
ret = func( module, type, param );
}
else
{
ret = func( module, UIntToPtr(et[i].u.Id), param );
}
if (!ret) break;
}
HeapFree( GetProcessHeap(), 0, type );
return ret;
}
/**********************************************************************
* EnumResourceTypesExW (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH EnumResourceTypesExW( HMODULE module, ENUMRESTYPEPROCW func, LONG_PTR param,
DWORD flags, LANGID lang )
{
int i, len = 0;
BOOL ret = FALSE;
LPWSTR type = NULL;
const IMAGE_RESOURCE_DIRECTORY *resdir;
const IMAGE_RESOURCE_DIRECTORY_ENTRY *et;
const IMAGE_RESOURCE_DIR_STRING_U *str;
TRACE( "%p %p %lx\n", module, func, param );
if (!flags) flags = RESOURCE_ENUM_LN | RESOURCE_ENUM_MUI;
if (!(flags & RESOURCE_ENUM_LN)) return ret;
if (!module) module = GetModuleHandleW( 0 );
if (!set_ntstatus( LdrFindResourceDirectory_U( module, NULL, 0, &resdir ))) return FALSE;
et = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(resdir + 1);
for (i = 0; i < resdir->NumberOfNamedEntries + resdir->NumberOfIdEntries; i++)
{
if (et[i].u.s.NameIsString)
{
str = (const IMAGE_RESOURCE_DIR_STRING_U *)((const BYTE *)resdir + et[i].u.s.NameOffset);
if (str->Length + 1 > len)
{
len = str->Length + 1;
HeapFree( GetProcessHeap(), 0, type );
if (!(type = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) ))) return FALSE;
}
memcpy(type, str->NameString, str->Length * sizeof (WCHAR));
type[str->Length] = 0;
ret = func( module, type, param );
}
else
{
ret = func( module, UIntToPtr(et[i].u.Id), param );
}
if (!ret) break;
}
HeapFree( GetProcessHeap(), 0, type );
return ret;
}
/**********************************************************************
* FindResourceExW (kernelbase.@)
*/
HRSRC WINAPI DECLSPEC_HOTPATCH FindResourceExW( HMODULE module, LPCWSTR type, LPCWSTR name, WORD lang )
{
NTSTATUS status;
UNICODE_STRING nameW, typeW;
LDR_RESOURCE_INFO info;
const IMAGE_RESOURCE_DATA_ENTRY *entry = NULL;
TRACE( "%p %s %s %04x\n", module, debugstr_w(type), debugstr_w(name), lang );
if (!module) module = GetModuleHandleW( 0 );
nameW.Buffer = typeW.Buffer = NULL;
__TRY
{
if ((status = get_res_nameW( name, &nameW )) != STATUS_SUCCESS) goto done;
if ((status = get_res_nameW( type, &typeW )) != STATUS_SUCCESS) goto done;
info.Type = (ULONG_PTR)typeW.Buffer;
info.Name = (ULONG_PTR)nameW.Buffer;
info.Language = lang;
status = LdrFindResource_U( module, &info, 3, &entry );
done:
if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
}
__EXCEPT_PAGE_FAULT
{
SetLastError( ERROR_INVALID_PARAMETER );
}
__ENDTRY
if (!IS_INTRESOURCE(nameW.Buffer)) HeapFree( GetProcessHeap(), 0, nameW.Buffer );
if (!IS_INTRESOURCE(typeW.Buffer)) HeapFree( GetProcessHeap(), 0, typeW.Buffer );
return (HRSRC)entry;
}
/**********************************************************************
* FindResourceW (kernelbase.@)
*/
HRSRC WINAPI DECLSPEC_HOTPATCH FindResourceW( HINSTANCE module, LPCWSTR name, LPCWSTR type )
{
return FindResourceExW( module, type, name, MAKELANGID( LANG_NEUTRAL, SUBLANG_NEUTRAL ) );
}
/**********************************************************************
* FreeResource (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH FreeResource( HGLOBAL handle )
{
return FALSE;
}
/**********************************************************************
* LoadResource (kernelbase.@)
*/
HGLOBAL WINAPI DECLSPEC_HOTPATCH LoadResource( HINSTANCE module, HRSRC rsrc )
{
void *ret;
TRACE( "%p %p\n", module, rsrc );
if (!rsrc) return 0;
if (!module) module = GetModuleHandleW( 0 );
if (!set_ntstatus( LdrAccessResource( module, (IMAGE_RESOURCE_DATA_ENTRY *)rsrc, &ret, NULL )))
return 0;
return ret;
}
/**********************************************************************
* LockResource (kernelbase.@)
*/
LPVOID WINAPI DECLSPEC_HOTPATCH LockResource( HGLOBAL handle )
{
return handle;
}
/**********************************************************************
* SizeofResource (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH SizeofResource( HINSTANCE module, HRSRC rsrc )
{
if (!rsrc) return 0;
return ((IMAGE_RESOURCE_DATA_ENTRY *)rsrc)->Size;
}
/***********************************************************************
* Activation contexts
***********************************************************************/
/***********************************************************************
* ActivateActCtx (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH ActivateActCtx( HANDLE context, ULONG_PTR *cookie )
{
return set_ntstatus( RtlActivateActivationContext( 0, context, cookie ));
}
/***********************************************************************
* AddRefActCtx (kernelbase.@)
*/
void WINAPI DECLSPEC_HOTPATCH AddRefActCtx( HANDLE context )
{
RtlAddRefActivationContext( context );
}
/***********************************************************************
* CreateActCtxW (kernelbase.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH CreateActCtxW( PCACTCTXW ctx )
{
HANDLE context;
TRACE( "%p %08x\n", ctx, ctx ? ctx->dwFlags : 0 );
if (!set_ntstatus( RtlCreateActivationContext( &context, ctx ))) return INVALID_HANDLE_VALUE;
return context;
}
/***********************************************************************
* DeactivateActCtx (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH DeactivateActCtx( DWORD flags, ULONG_PTR cookie )
{
RtlDeactivateActivationContext( flags, cookie );
return TRUE;
}
/***********************************************************************
* FindActCtxSectionGuid (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH FindActCtxSectionGuid( DWORD flags, const GUID *ext_guid, ULONG id,
const GUID *guid, PACTCTX_SECTION_KEYED_DATA info )
{
return set_ntstatus( RtlFindActivationContextSectionGuid( flags, ext_guid, id, guid, info ));
}
/***********************************************************************
* FindActCtxSectionStringW (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH FindActCtxSectionStringW( DWORD flags, const GUID *ext_guid, ULONG id,
LPCWSTR str, PACTCTX_SECTION_KEYED_DATA info )
{
UNICODE_STRING us;
if (!info)
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
RtlInitUnicodeString( &us, str );
return set_ntstatus( RtlFindActivationContextSectionString( flags, ext_guid, id, &us, info ));
}
/***********************************************************************
* GetCurrentActCtx (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetCurrentActCtx( HANDLE *pcontext )
{
return set_ntstatus( RtlGetActiveActivationContext( pcontext ));
}
/***********************************************************************
* QueryActCtxSettingsW (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH QueryActCtxSettingsW( DWORD flags, HANDLE ctx, const WCHAR *ns,
const WCHAR *settings, WCHAR *buffer, SIZE_T size,
SIZE_T *written )
{
return set_ntstatus( RtlQueryActivationContextApplicationSettings( flags, ctx, ns, settings,
buffer, size, written ));
}
/***********************************************************************
* QueryActCtxW (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH QueryActCtxW( DWORD flags, HANDLE context, PVOID inst, ULONG class,
PVOID buffer, SIZE_T size, SIZE_T *written )
{
return set_ntstatus( RtlQueryInformationActivationContext( flags, context, inst, class,
buffer, size, written ));
}
/***********************************************************************
* ReleaseActCtx (kernelbase.@)
*/
void WINAPI DECLSPEC_HOTPATCH ReleaseActCtx( HANDLE context )
{
RtlReleaseActivationContext( context );
}
/***********************************************************************
* ZombifyActCtx (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH ZombifyActCtx( HANDLE context )
{
return set_ntstatus( RtlZombifyActivationContext( context ));
}