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kernel32: Build a standard process parameters structure in CreateProcess(). 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2018-10-11 17:48:25 +02:00
parent 0964b3cd13
commit 79e2afaaae
1 changed files with 115 additions and 93 deletions
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208
dlls/kernel32/process.c
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@ -1795,135 +1795,155 @@ static int fork_and_exec( const char *filename, const WCHAR *cmdline, const WCHA
}
static inline DWORD append_string( void **ptr, const WCHAR *str )
static inline const WCHAR *get_params_string( const RTL_USER_PROCESS_PARAMETERS *params,
const UNICODE_STRING *str )
{
DWORD len = strlenW( str );
memcpy( *ptr, str, len * sizeof(WCHAR) );
*ptr = (WCHAR *)*ptr + len;
return len * sizeof(WCHAR);
if (params->Flags & PROCESS_PARAMS_FLAG_NORMALIZED) return str->Buffer;
return (const WCHAR *)((const char *)params + (UINT_PTR)str->Buffer);
}
static inline DWORD append_string( void **ptr, const RTL_USER_PROCESS_PARAMETERS *params,
const UNICODE_STRING *str )
{
const WCHAR *buffer = get_params_string( params, str );
memcpy( *ptr, buffer, str->Length );
*ptr = (WCHAR *)*ptr + str->Length / sizeof(WCHAR);
return str->Length;
}
/***********************************************************************
* create_startup_info
*/
static startup_info_t *create_startup_info( LPCWSTR filename, LPCWSTR cmdline,
LPCWSTR cur_dir, LPWSTR env, DWORD flags,
const STARTUPINFOW *startup, DWORD *info_size )
static startup_info_t *create_startup_info( const RTL_USER_PROCESS_PARAMETERS *params, DWORD *info_size )
{
const RTL_USER_PROCESS_PARAMETERS *cur_params;
const WCHAR *title;
startup_info_t *info;
DWORD size;
void *ptr;
UNICODE_STRING newdir;
size = sizeof(*info);
size += params->CurrentDirectory.DosPath.Length;
size += params->DllPath.Length;
size += params->ImagePathName.Length;
size += params->CommandLine.Length;
size += params->WindowTitle.Length;
size += params->Desktop.Length;
size += params->ShellInfo.Length;
size += params->RuntimeInfo.Length;
size = (size + 1) & ~1;
*info_size = size;
if (!(info = RtlAllocateHeap( GetProcessHeap(), HEAP_ZERO_MEMORY, size ))) return NULL;
info->console_flags = params->ConsoleFlags;
info->console = wine_server_obj_handle( params->ConsoleHandle );
info->hstdin = wine_server_obj_handle( params->hStdInput );
info->hstdout = wine_server_obj_handle( params->hStdOutput );
info->hstderr = wine_server_obj_handle( params->hStdError );
info->x = params->dwX;
info->y = params->dwY;
info->xsize = params->dwXSize;
info->ysize = params->dwYSize;
info->xchars = params->dwXCountChars;
info->ychars = params->dwYCountChars;
info->attribute = params->dwFillAttribute;
info->flags = params->dwFlags;
info->show = params->wShowWindow;
ptr = info + 1;
info->curdir_len = append_string( &ptr, params, &params->CurrentDirectory.DosPath );
info->dllpath_len = append_string( &ptr, params, &params->DllPath );
info->imagepath_len = append_string( &ptr, params, &params->ImagePathName );
info->cmdline_len = append_string( &ptr, params, &params->CommandLine );
info->title_len = append_string( &ptr, params, &params->WindowTitle );
info->desktop_len = append_string( &ptr, params, &params->Desktop );
info->shellinfo_len = append_string( &ptr, params, &params->ShellInfo );
info->runtime_len = append_string( &ptr, params, &params->RuntimeInfo );
return info;
}
/***********************************************************************
* create_process_params
*/
static RTL_USER_PROCESS_PARAMETERS *create_process_params( LPCWSTR filename, LPCWSTR cmdline,
LPCWSTR cur_dir, LPWSTR env, DWORD flags,
const STARTUPINFOW *startup )
{
RTL_USER_PROCESS_PARAMETERS *params;
UNICODE_STRING imageW, curdirW, cmdlineW, titleW, desktopW, runtimeW, newdirW;
WCHAR imagepath[MAX_PATH];
HANDLE hstdin, hstdout, hstderr;
if(!GetLongPathNameW( filename, imagepath, MAX_PATH ))
lstrcpynW( imagepath, filename, MAX_PATH );
if(!GetFullPathNameW( imagepath, MAX_PATH, imagepath, NULL ))
lstrcpynW( imagepath, filename, MAX_PATH );
cur_params = NtCurrentTeb()->Peb->ProcessParameters;
newdir.Buffer = NULL;
newdirW.Buffer = NULL;
if (cur_dir)
{
if (RtlDosPathNameToNtPathName_U( cur_dir, &newdir, NULL, NULL ))
cur_dir = newdir.Buffer + 4; /* skip \??\ prefix */
if (RtlDosPathNameToNtPathName_U( cur_dir, &newdirW, NULL, NULL ))
cur_dir = newdirW.Buffer + 4; /* skip \??\ prefix */
else
cur_dir = NULL;
}
if (!cur_dir)
{
if (NtCurrentTeb()->Tib.SubSystemTib) /* FIXME: hack */
cur_dir = ((WIN16_SUBSYSTEM_TIB *)NtCurrentTeb()->Tib.SubSystemTib)->curdir.DosPath.Buffer;
else
cur_dir = cur_params->CurrentDirectory.DosPath.Buffer;
}
title = startup->lpTitle ? startup->lpTitle : imagepath;
RtlInitUnicodeString( &imageW, imagepath );
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, NULL, &curdirW, &cmdlineW, env, &titleW,
&desktopW, NULL, &runtimeW, PROCESS_PARAMS_FLAG_NORMALIZED ))
return NULL;
size = sizeof(*info);
size += strlenW( cur_dir ) * sizeof(WCHAR);
size += cur_params->DllPath.Length;
size += strlenW( imagepath ) * sizeof(WCHAR);
size += strlenW( cmdline ) * sizeof(WCHAR);
size += strlenW( title ) * sizeof(WCHAR);
if (startup->lpDesktop) size += strlenW( startup->lpDesktop ) * sizeof(WCHAR);
/* FIXME: shellinfo */
if (startup->lpReserved2 && startup->cbReserved2) size += startup->cbReserved2;
size = (size + 1) & ~1;
*info_size = size;
if (!(info = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, size ))) goto done;
info->console_flags = cur_params->ConsoleFlags;
if (flags & CREATE_NEW_PROCESS_GROUP) info->console_flags = 1;
if (flags & CREATE_NEW_CONSOLE) info->console = wine_server_obj_handle(KERNEL32_CONSOLE_ALLOC);
if (flags & CREATE_NEW_PROCESS_GROUP) params->ConsoleFlags = 1;
if (flags & CREATE_NEW_CONSOLE) params->ConsoleHandle = KERNEL32_CONSOLE_ALLOC;
if (startup->dwFlags & STARTF_USESTDHANDLES)
{
hstdin = startup->hStdInput;
hstdout = startup->hStdOutput;
hstderr = startup->hStdError;
params->hStdInput = startup->hStdInput;
params->hStdOutput = startup->hStdOutput;
params->hStdError = startup->hStdError;
}
else if (flags & DETACHED_PROCESS)
{
hstdin = INVALID_HANDLE_VALUE;
hstdout = INVALID_HANDLE_VALUE;
hstderr = INVALID_HANDLE_VALUE;
params->hStdInput = INVALID_HANDLE_VALUE;
params->hStdOutput = INVALID_HANDLE_VALUE;
params->hStdError = INVALID_HANDLE_VALUE;
}
else
{
hstdin = GetStdHandle( STD_INPUT_HANDLE );
hstdout = GetStdHandle( STD_OUTPUT_HANDLE );
hstderr = GetStdHandle( STD_ERROR_HANDLE );
params->hStdInput = NtCurrentTeb()->Peb->ProcessParameters->hStdInput;
params->hStdOutput = NtCurrentTeb()->Peb->ProcessParameters->hStdOutput;
params->hStdError = NtCurrentTeb()->Peb->ProcessParameters->hStdError;
}
info->hstdin = wine_server_obj_handle( hstdin );
info->hstdout = wine_server_obj_handle( hstdout );
info->hstderr = wine_server_obj_handle( hstderr );
if ((flags & CREATE_NEW_CONSOLE) != 0)
if (flags & CREATE_NEW_CONSOLE)
{
/* this is temporary (for console handles). We have no way to control that the handle is invalid in child process otherwise */
if (is_console_handle(hstdin)) info->hstdin = wine_server_obj_handle( INVALID_HANDLE_VALUE );
if (is_console_handle(hstdout)) info->hstdout = wine_server_obj_handle( INVALID_HANDLE_VALUE );
if (is_console_handle(hstderr)) info->hstderr = wine_server_obj_handle( INVALID_HANDLE_VALUE );
if (is_console_handle(params->hStdInput)) params->hStdInput = INVALID_HANDLE_VALUE;
if (is_console_handle(params->hStdOutput)) params->hStdOutput = INVALID_HANDLE_VALUE;
if (is_console_handle(params->hStdError)) params->hStdError = INVALID_HANDLE_VALUE;
}
else
{
if (is_console_handle(hstdin)) info->hstdin = console_handle_unmap(hstdin);
if (is_console_handle(hstdout)) info->hstdout = console_handle_unmap(hstdout);
if (is_console_handle(hstderr)) info->hstderr = console_handle_unmap(hstderr);
if (is_console_handle(params->hStdInput)) params->hStdInput = (HANDLE)((UINT_PTR)params->hStdInput & ~3);
if (is_console_handle(params->hStdOutput)) params->hStdOutput = (HANDLE)((UINT_PTR)params->hStdOutput & ~3);
if (is_console_handle(params->hStdError)) params->hStdError = (HANDLE)((UINT_PTR)params->hStdError & ~3);
}
info->x = startup->dwX;
info->y = startup->dwY;
info->xsize = startup->dwXSize;
info->ysize = startup->dwYSize;
info->xchars = startup->dwXCountChars;
info->ychars = startup->dwYCountChars;
info->attribute = startup->dwFillAttribute;
info->flags = startup->dwFlags;
info->show = startup->wShowWindow;
params->dwX = startup->dwX;
params->dwY = startup->dwY;
params->dwXSize = startup->dwXSize;
params->dwYSize = startup->dwYSize;
params->dwXCountChars = startup->dwXCountChars;
params->dwYCountChars = startup->dwYCountChars;
params->dwFillAttribute = startup->dwFillAttribute;
params->dwFlags = startup->dwFlags;
params->wShowWindow = startup->wShowWindow;
ptr = info + 1;
info->curdir_len = append_string( &ptr, cur_dir );
info->dllpath_len = cur_params->DllPath.Length;
memcpy( ptr, cur_params->DllPath.Buffer, cur_params->DllPath.Length );
ptr = (char *)ptr + cur_params->DllPath.Length;
info->imagepath_len = append_string( &ptr, imagepath );
info->cmdline_len = append_string( &ptr, cmdline );
info->title_len = append_string( &ptr, title );
if (startup->lpDesktop) info->desktop_len = append_string( &ptr, startup->lpDesktop );
if (startup->lpReserved2 && startup->cbReserved2)
{
info->runtime_len = startup->cbReserved2;
memcpy( ptr, startup->lpReserved2, startup->cbReserved2 );
}
done:
RtlFreeUnicodeString( &newdir );
return info;
return params;
}
/***********************************************************************
@ -2186,6 +2206,7 @@ static BOOL create_process( HANDLE hFile, LPCWSTR filename, LPWSTR cmd_line, LPW
NTSTATUS status;
BOOL success = FALSE;
HANDLE process_info, process_handle = 0;
RTL_USER_PROCESS_PARAMETERS *params;
struct object_attributes *objattr;
data_size_t attr_len;
WCHAR *env_end;
@ -2245,16 +2266,16 @@ static BOOL create_process( HANDLE hFile, LPCWSTR filename, LPWSTR cmd_line, LPW
RtlAcquirePebLock();
if (!(startup_info = create_startup_info( filename, cmd_line, cur_dir, env, flags, startup,
&startup_info_size )))
if (!(params = create_process_params( filename, cmd_line, cur_dir, env, flags, startup )) ||
!(startup_info = create_startup_info( params, &startup_info_size )))
{
RtlDestroyProcessParameters( params );
RtlReleasePebLock();
close( socketfd[0] );
close( socketfd[1] );
return FALSE;
}
if (!env) env = NtCurrentTeb()->Peb->ProcessParameters->Environment;
env_end = env;
env_end = params->Environment;
while (*env_end)
{
static const WCHAR WINEDEBUG[] = {'W','I','N','E','D','E','B','U','G','=',0};
@ -2285,7 +2306,7 @@ static BOOL create_process( HANDLE hFile, LPCWSTR filename, LPWSTR cmd_line, LPW
req->info_size = startup_info_size;
wine_server_add_data( req, objattr, attr_len );
wine_server_add_data( req, startup_info, startup_info_size );
wine_server_add_data( req, env, (env_end - env) * sizeof(WCHAR) );
wine_server_add_data( req, params->Environment, (env_end - params->Environment) * sizeof(WCHAR) );
if (!(status = wine_server_call( req )))
{
info->dwProcessId = (DWORD)reply->pid;
@ -2317,6 +2338,7 @@ static BOOL create_process( HANDLE hFile, LPCWSTR filename, LPWSTR cmd_line, LPW
HeapFree( GetProcessHeap(), 0, objattr );
}
RtlDestroyProcessParameters( params );
RtlReleasePebLock();
if (status)
{