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kernel32: Implement LOAD_LIBRARY_SEARCH_* flags. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2017-08-29 09:37:06 +02:00
parent 8abbfbbe24
commit 3b399bbbf8
1 changed files with 88 additions and 11 deletions
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95
dlls/kernel32/module.c
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@ -67,11 +67,6 @@ static CRITICAL_SECTION_DEBUG critsect_debug =
};
static CRITICAL_SECTION dlldir_section = { &critsect_debug, -1, 0, 0, 0, 0 };
static const DWORD load_library_search_flags = (LOAD_LIBRARY_SEARCH_APPLICATION_DIR |
LOAD_LIBRARY_SEARCH_USER_DIRS |
LOAD_LIBRARY_SEARCH_SYSTEM32 |
LOAD_LIBRARY_SEARCH_DEFAULT_DIRS);
/****************************************************************************
* GetDllDirectoryA (KERNEL32.@)
*/
@ -212,6 +207,12 @@ BOOL WINAPI RemoveDllDirectory( DLL_DIRECTORY_COOKIE cookie )
*/
BOOL WINAPI SetDefaultDllDirectories( DWORD flags )
{
/* LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR doesn't make sense in default dirs */
const DWORD load_library_search_flags = (LOAD_LIBRARY_SEARCH_APPLICATION_DIR |
LOAD_LIBRARY_SEARCH_USER_DIRS |
LOAD_LIBRARY_SEARCH_SYSTEM32 |
LOAD_LIBRARY_SEARCH_DEFAULT_DIRS);
if (!flags || (flags & ~load_library_search_flags))
{
SetLastError( ERROR_INVALID_PARAMETER );
@ -997,6 +998,75 @@ WCHAR *MODULE_get_dll_load_path( LPCWSTR module )
}
/******************************************************************
* get_dll_load_path_search_flags
*/
static WCHAR *get_dll_load_path_search_flags( LPCWSTR module, DWORD flags )
{
const WCHAR *image = NULL, *mod_end, *image_end;
struct dll_dir_entry *dir;
WCHAR *p, *ret;
int len = 1;
if (flags & LOAD_LIBRARY_SEARCH_DEFAULT_DIRS)
flags |= (LOAD_LIBRARY_SEARCH_APPLICATION_DIR |
LOAD_LIBRARY_SEARCH_USER_DIRS |
LOAD_LIBRARY_SEARCH_SYSTEM32);
if (flags & LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR)
{
DWORD type = RtlDetermineDosPathNameType_U( module );
if (type != ABSOLUTE_DRIVE_PATH && type != ABSOLUTE_PATH)
{
SetLastError( ERROR_INVALID_PARAMETER );
return NULL;
}
mod_end = get_module_path_end( module );
len += (mod_end - module) + 1;
}
else module = NULL;
RtlEnterCriticalSection( &dlldir_section );
if (flags & LOAD_LIBRARY_SEARCH_APPLICATION_DIR)
{
image = NtCurrentTeb()->Peb->ProcessParameters->ImagePathName.Buffer;
image_end = get_module_path_end( image );
len += (image_end - image) + 1;
}
if (flags & LOAD_LIBRARY_SEARCH_USER_DIRS)
{
LIST_FOR_EACH_ENTRY( dir, &dll_dir_list, struct dll_dir_entry, entry )
len += strlenW( dir->dir ) + 1;
if (dll_directory) len += strlenW(dll_directory) + 1;
}
if (flags & LOAD_LIBRARY_SEARCH_SYSTEM32) len += GetSystemDirectoryW( NULL, 0 );
if ((p = ret = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
{
if (module) p = append_path_len( p, module, mod_end - module );
if (image) p = append_path_len( p, image, image_end - image );
if (flags & LOAD_LIBRARY_SEARCH_USER_DIRS)
{
LIST_FOR_EACH_ENTRY( dir, &dll_dir_list, struct dll_dir_entry, entry )
p = append_path( p, dir->dir );
if (dll_directory) p = append_path( p, dll_directory );
}
if (flags & LOAD_LIBRARY_SEARCH_SYSTEM32) GetSystemDirectoryW( p, ret + len - p );
else
{
if (p > ret) p--;
*p = 0;
}
}
RtlLeaveCriticalSection( &dlldir_section );
return ret;
}
/******************************************************************
* load_library_as_datafile
*/
@ -1050,18 +1120,25 @@ static HMODULE load_library( const UNICODE_STRING *libname, DWORD flags )
NTSTATUS nts;
HMODULE hModule;
WCHAR *load_path;
static const DWORD unsupported_flags = load_library_search_flags |
LOAD_IGNORE_CODE_AUTHZ_LEVEL |
const DWORD load_library_search_flags = (LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR |
LOAD_LIBRARY_SEARCH_APPLICATION_DIR |
LOAD_LIBRARY_SEARCH_USER_DIRS |
LOAD_LIBRARY_SEARCH_SYSTEM32 |
LOAD_LIBRARY_SEARCH_DEFAULT_DIRS);
const DWORD unsupported_flags = (LOAD_IGNORE_CODE_AUTHZ_LEVEL |
LOAD_LIBRARY_AS_IMAGE_RESOURCE |
LOAD_LIBRARY_REQUIRE_SIGNED_TARGET |
LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR;
LOAD_LIBRARY_REQUIRE_SIGNED_TARGET);
if (!(flags & load_library_search_flags)) flags |= default_search_flags;
if( flags & unsupported_flags)
FIXME("unsupported flag(s) used (flags: 0x%08x)\n", flags);
if (flags & load_library_search_flags)
load_path = get_dll_load_path_search_flags( libname->Buffer, flags );
else
load_path = MODULE_get_dll_load_path( flags & LOAD_WITH_ALTERED_SEARCH_PATH ? libname->Buffer : NULL );
if (!load_path) return 0;
if (flags & (LOAD_LIBRARY_AS_DATAFILE | LOAD_LIBRARY_AS_DATAFILE_EXCLUSIVE))
{