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ntdll: Don't set the DllPath parameter by default. 

Recent Windows versions don't set it either.

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2021-03-24 10:54:05 +01:00
parent 34884bf5d0
commit 47fed8f5bc
4 changed files with 45 additions and 53 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
dlls/kernelbase/process.c
View File

@ -144,9 +144,9 @@ static RTL_USER_PROCESS_PARAMETERS *create_process_params( const WCHAR *filename
const STARTUPINFOW *startup )
{
RTL_USER_PROCESS_PARAMETERS *params;
UNICODE_STRING imageW, dllpathW, curdirW, cmdlineW, titleW, desktopW, runtimeW, newdirW;
UNICODE_STRING imageW, curdirW, cmdlineW, titleW, desktopW, runtimeW, newdirW;
WCHAR imagepath[MAX_PATH];
WCHAR *load_path, *dummy, *envW = env;
WCHAR *envW = env;
if (!GetLongPathNameW( filename, imagepath, MAX_PATH )) lstrcpynW( imagepath, filename, MAX_PATH );
if (!GetFullPathNameW( imagepath, MAX_PATH, imagepath, NULL )) lstrcpynW( imagepath, filename, MAX_PATH );
@ -171,26 +171,22 @@ static RTL_USER_PROCESS_PARAMETERS *create_process_params( const WCHAR *filename
else
cur_dir = NULL;
}
LdrGetDllPath( imagepath, LOAD_WITH_ALTERED_SEARCH_PATH, &load_path, &dummy );
RtlInitUnicodeString( &imageW, imagepath );
RtlInitUnicodeString( &dllpathW, load_path );
RtlInitUnicodeString( &curdirW, cur_dir );
RtlInitUnicodeString( &cmdlineW, cmdline );
RtlInitUnicodeString( &titleW, startup->lpTitle ? startup->lpTitle : imagepath );
RtlInitUnicodeString( &desktopW, startup->lpDesktop );
runtimeW.Buffer = (WCHAR *)startup->lpReserved2;
runtimeW.Length = runtimeW.MaximumLength = startup->cbReserved2;
if (RtlCreateProcessParametersEx( &params, &imageW, &dllpathW, cur_dir ? &curdirW : NULL,
if (RtlCreateProcessParametersEx( &params, &imageW, NULL, cur_dir ? &curdirW : NULL,
&cmdlineW, envW, &titleW, &desktopW,
NULL, &runtimeW, PROCESS_PARAMS_FLAG_NORMALIZED ))
{
RtlFreeUnicodeString( &newdirW );
RtlReleasePath( load_path );
if (envW != env) RtlFreeHeap( GetProcessHeap(), 0, envW );
return NULL;
}
RtlFreeUnicodeString( &newdirW );
RtlReleasePath( load_path );
if (flags & CREATE_NEW_PROCESS_GROUP) params->ConsoleFlags = 1;
if (flags & CREATE_NEW_CONSOLE) params->ConsoleHandle = (HANDLE)1; /* KERNEL32_CONSOLE_ALLOC */

55
dlls/ntdll/env.c
View File

@ -542,7 +542,7 @@ NTSTATUS WINAPI RtlCreateProcessParametersEx( RTL_USER_PROCESS_PARAMETERS **resu
RtlAcquirePebLock();
cur_params = NtCurrentTeb()->Peb->ProcessParameters;
if (!DllPath) DllPath = &cur_params->DllPath;
if (!DllPath) DllPath = &null_str;
if (!CurrentDirectoryName)
{
if (NtCurrentTeb()->Tib.SubSystemTib) /* FIXME: hack */
@ -637,46 +637,45 @@ void WINAPI RtlDestroyProcessParameters( RTL_USER_PROCESS_PARAMETERS *params )
*/
void init_user_process_params(void)
{
WCHAR *env, *load_path, *dummy;
WCHAR *env;
SIZE_T env_size;
RTL_USER_PROCESS_PARAMETERS *new_params, *params = NtCurrentTeb()->Peb->ProcessParameters;
UNICODE_STRING curdir, dllpath;
UNICODE_STRING curdir;
/* environment needs to be a separate memory block */
env_size = params->EnvironmentSize;
env = params->Environment;
if ((env = RtlAllocateHeap( GetProcessHeap(), 0, max( env_size, sizeof(WCHAR) ))))
{
if (env_size) memcpy( env, params->Environment, env_size );
else env[0] = 0;
params->Environment = env;
}
if (!params->DllPath.MaximumLength) /* not inherited from parent process */
{
LdrGetDllPath( params->ImagePathName.Buffer, 0, &load_path, &dummy );
RtlInitUnicodeString( &dllpath, load_path );
params->Environment = NULL; /* avoid copying it */
if (RtlCreateProcessParametersEx( &new_params, &params->ImagePathName, &params->DllPath,
&params->CurrentDirectory.DosPath,
&params->CommandLine, NULL, &params->WindowTitle, &params->Desktop,
&params->ShellInfo, &params->RuntimeInfo,
PROCESS_PARAMS_FLAG_NORMALIZED ))
return;
env = params->Environment;
params->Environment = NULL; /* avoid copying it */
if (RtlCreateProcessParametersEx( &new_params, &params->ImagePathName, &dllpath,
&params->CurrentDirectory.DosPath,
&params->CommandLine, NULL, &params->ImagePathName, NULL, NULL, NULL,
PROCESS_PARAMS_FLAG_NORMALIZED ))
return;
new_params->Environment = env;
new_params->DebugFlags = params->DebugFlags;
new_params->ConsoleHandle = params->ConsoleHandle;
new_params->ConsoleFlags = params->ConsoleFlags;
new_params->hStdInput = params->hStdInput;
new_params->hStdOutput = params->hStdOutput;
new_params->hStdError = params->hStdError;
new_params->dwX = params->dwX;
new_params->dwY = params->dwY;
new_params->dwXSize = params->dwXSize;
new_params->dwYSize = params->dwYSize;
new_params->dwXCountChars = params->dwXCountChars;
new_params->dwYCountChars = params->dwYCountChars;
new_params->dwFillAttribute = params->dwFillAttribute;
new_params->dwFlags = params->dwFlags;
new_params->wShowWindow = params->wShowWindow;
new_params->Environment = env;
new_params->hStdInput = params->hStdInput;
new_params->hStdOutput = params->hStdOutput;
new_params->hStdError = params->hStdError;
new_params->ConsoleHandle = params->ConsoleHandle;
new_params->dwXCountChars = params->dwXCountChars;
new_params->dwYCountChars = params->dwYCountChars;
new_params->wShowWindow = params->wShowWindow;
NtCurrentTeb()->Peb->ProcessParameters = params = new_params;
RtlReleasePath( load_path );
}
NtCurrentTeb()->Peb->ProcessParameters = params = new_params;
if (RtlSetCurrentDirectory_U( &params->CurrentDirectory.DosPath ))
{

32
dlls/ntdll/loader.c
View File

@ -80,6 +80,7 @@ static ULONG path_safe_mode; /* path mode set by RtlSetSearchPathMode */
static ULONG dll_safe_mode = 1; /* dll search mode */
static UNICODE_STRING dll_directory; /* extra path for LdrSetDllDirectory */
static DWORD default_search_flags; /* default flags set by LdrSetDefaultDllDirectories */
static WCHAR *default_load_path; /* default dll search path */
struct dll_dir_entry
{
@ -1687,9 +1688,8 @@ NTSTATUS WINAPI LdrGetProcedureAddress(HMODULE module, const ANSI_STRING *name,
else if ((exports = RtlImageDirectoryEntryToData( module, TRUE,
IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size )))
{
LPCWSTR load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
void *proc = name ? find_named_export( module, exports, exp_size, name->Buffer, -1, load_path )
: find_ordinal_export( module, exports, exp_size, ord - exports->Base, load_path );
void *proc = name ? find_named_export( module, exports, exp_size, name->Buffer, -1, NULL )
: find_ordinal_export( module, exports, exp_size, ord - exports->Base, NULL );
if (proc)
{
*address = proc;
@ -2423,6 +2423,10 @@ static void build_main_module(void)
RTL_USER_PROCESS_PARAMETERS *params = NtCurrentTeb()->Peb->ProcessParameters;
void *module = NtCurrentTeb()->Peb->ImageBaseAddress;
default_load_path = params->DllPath.Buffer;
if (!default_load_path)
get_dll_load_path( params->ImagePathName.Buffer, NULL, dll_safe_mode, &default_load_path );
NtQueryInformationProcess( GetCurrentProcess(), ProcessImageInformation, &info, sizeof(info), NULL );
if (info.ImageCharacteristics & IMAGE_FILE_DLL)
{
@ -2438,8 +2442,7 @@ static void build_main_module(void)
#endif
status = RtlDosPathNameToNtPathName_U_WithStatus( params->ImagePathName.Buffer, &nt_name, NULL, NULL );
if (status) goto failed;
status = build_module( params->DllPath.Buffer, &nt_name, &module, &info,
NULL, DONT_RESOLVE_DLL_REFERENCES, &wm );
status = build_module( NULL, &nt_name, &module, &info, NULL, DONT_RESOLVE_DLL_REFERENCES, &wm );
RtlFreeUnicodeString( &nt_name );
if (!status) return;
failed:
@ -2561,7 +2564,10 @@ static NTSTATUS search_dll_file( LPCWSTR paths, LPCWSTR search, UNICODE_STRING *
WCHAR *name;
BOOL found_image = FALSE;
NTSTATUS status = STATUS_DLL_NOT_FOUND;
ULONG len = wcslen( paths );
ULONG len;
if (!paths) paths = default_load_path;
len = wcslen( paths );
if (len < wcslen( system_dir )) len = wcslen( system_dir );
len += wcslen( search ) + 2;
@ -2796,7 +2802,6 @@ NTSTATUS WINAPI DECLSPEC_HOTPATCH LdrLoadDll(LPCWSTR path_name, DWORD flags,
RtlEnterCriticalSection( &loader_section );
if (!path_name) path_name = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
nts = load_dll( path_name, libname->Buffer, L".dll", flags, &wm );
if (nts == STATUS_SUCCESS && !(wm->ldr.Flags & LDR_DONT_RESOLVE_REFS))
@ -2829,8 +2834,6 @@ NTSTATUS WINAPI LdrGetDllHandle( LPCWSTR load_path, ULONG flags, const UNICODE_S
RtlEnterCriticalSection( &loader_section );
if (!load_path) load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
status = find_dll_file( load_path, name->Buffer, L".dll", &nt_name, &wm, &mapping, &image_info, &id );
if (wm) *base = wm->ldr.DllBase;
@ -3465,7 +3468,6 @@ void WINAPI LdrInitializeThunk( CONTEXT *context, ULONG_PTR unknown2, ULONG_PTR
ULONG_PTR cookie;
WINE_MODREF *wm;
void **entry;
LPCWSTR load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
#ifdef __i386__
entry = (void **)&context->Eax;
@ -3488,9 +3490,9 @@ void WINAPI LdrInitializeThunk( CONTEXT *context, ULONG_PTR unknown2, ULONG_PTR
{
actctx_init();
if (wm->ldr.Flags & LDR_COR_ILONLY)
status = fixup_imports_ilonly( wm, load_path, entry );
status = fixup_imports_ilonly( wm, NULL, entry );
else
status = fixup_imports( wm, load_path );
status = fixup_imports( wm, NULL );
if (status)
{
@ -3971,7 +3973,6 @@ static void map_wow64cpu(void)
*/
static NTSTATUS process_init(void)
{
RTL_USER_PROCESS_PARAMETERS *params;
WINE_MODREF *wm;
NTSTATUS status;
ANSI_STRING func_name;
@ -4006,8 +4007,6 @@ static NTSTATUS process_init(void)
#endif
init_user_process_params();
params = peb->ProcessParameters;
load_global_options();
version_init();
build_main_module();
@ -4032,8 +4031,7 @@ static NTSTATUS process_init(void)
map_wow64cpu();
#endif
if ((status = load_dll( params->DllPath.Buffer, L"C:\\windows\\system32\\kernel32.dll",
NULL, 0, &wm )) != STATUS_SUCCESS)
if ((status = load_dll( NULL, L"C:\\windows\\system32\\kernel32.dll", NULL, 0, &wm )) != STATUS_SUCCESS)
{
MESSAGE( "wine: could not load kernel32.dll, status %x\n", status );
NtTerminateProcess( GetCurrentProcess(), status );

1
dlls/ntdll/unix/env.c
View File

@ -1767,7 +1767,6 @@ static void run_wineboot( WCHAR *env, SIZE_T size )
params.Environment = env;
params.EnvironmentSize = size;
init_unicode_string( &params.CurrentDirectory.DosPath, system_dir + 4 );
init_unicode_string( &params.DllPath, system_dir + 4 );
init_unicode_string( &params.ImagePathName, appnameW + 4 );
init_unicode_string( &params.CommandLine, cmdlineW );
init_unicode_string( &params.WindowTitle, appnameW + 4 );