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wine/programs/start/start.c
Eric Pouech 4b63e88894 ntdll: Don't create Unix console for GUI apps. 
Note: GUI apps using std I/O (this is not common) will
no longer print on unix console.
If such a behavior is needed, for an app started from
Unix shell, one can either redirect output to a file, or pipe output:
./wine app | cat

Signed-off-by: Eric Pouech <epouech@codeweavers.com>
2023-12-05 21:24:37 +01:00

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/*
* Start a program using ShellExecuteEx, optionally wait for it to finish
* Compatible with Microsoft's "c:\windows\command\start.exe"
*
* Copyright 2003 Dan Kegel
* Copyright 2007 Lyutin Anatoly (Etersoft)
*
* This program 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 program 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 program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
#include <shlobj.h>
#include <shellapi.h>
#include <wine/debug.h>
#include "resources.h"
WINE_DEFAULT_DEBUG_CHANNEL(start);
/**
Output given message to stdout without formatting.
*/
static void output(const WCHAR *message)
{
DWORD count;
int wlen = lstrlenW(message);
if (!wlen) return;
/* If writing to console fails, assume it's file
* i/o so convert to OEM codepage and output
*/
if (!WriteConsoleW(GetStdHandle(STD_OUTPUT_HANDLE), message, wlen, &count, NULL))
{
DWORD len;
char *mesA;
/* Convert to OEM, then output */
len = WideCharToMultiByte( GetOEMCP(), 0, message, wlen, NULL, 0, NULL, NULL );
mesA = malloc(len);
if (!mesA) return;
WideCharToMultiByte( GetOEMCP(), 0, message, wlen, mesA, len, NULL, NULL );
WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), mesA, len, &count, FALSE);
free(mesA);
}
}
/**
Output given message from string table,
followed by ": ",
followed by description of given GetLastError() value to stdout,
followed by a trailing newline,
then terminate.
*/
static void fatal_error(const WCHAR *msg, DWORD error_code, const WCHAR *filename)
{
DWORD_PTR args[1];
LPVOID lpMsgBuf;
int status;
output(msg);
output(L": ");
args[0] = (DWORD_PTR)filename;
status = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ARGUMENT_ARRAY,
NULL, error_code, 0, (LPWSTR)&lpMsgBuf, 0, (va_list *)args );
if (!status)
{
WINE_ERR("FormatMessage failed\n");
} else
{
output(lpMsgBuf);
LocalFree((HLOCAL) lpMsgBuf);
output(L"\n");
}
ExitProcess(1);
}
static void fatal_string_error(int which, DWORD error_code, const WCHAR *filename)
{
WCHAR msg[2048];
if (!LoadStringW(GetModuleHandleW(NULL), which, msg, ARRAY_SIZE(msg)))
WINE_ERR("LoadString failed, error %ld\n", GetLastError());
fatal_error(msg, error_code, filename);
}
static void fatal_string(int which)
{
WCHAR msg[2048];
if (!LoadStringW(GetModuleHandleW(NULL), which, msg, ARRAY_SIZE(msg)))
WINE_ERR("LoadString failed, error %ld\n", GetLastError());
output(msg);
ExitProcess(1);
}
static void usage(void)
{
fatal_string(STRING_USAGE);
}
/***********************************************************************
* build_command_line
*
* Build the command line of a process from the argv array.
*
* We must quote and escape characters so that the argv array can be rebuilt
* from the command line:
* - spaces and tabs must be quoted
* 'a b' -> '"a b"'
* - quotes must be escaped
* '"' -> '\"'
* - if '\'s are followed by a '"', they must be doubled and followed by '\"',
* resulting in an odd number of '\' followed by a '"'
* '\"' -> '\\\"'
* '\\"' -> '\\\\\"'
* - '\'s are followed by the closing '"' must be doubled,
* resulting in an even number of '\' followed by a '"'
* ' \' -> '" \\"'
* ' \\' -> '" \\\\"'
* - '\'s that are not followed by a '"' can be left as is
* 'a\b' == 'a\b'
* 'a\\b' == 'a\\b'
*/
static WCHAR *build_command_line( WCHAR **wargv )
{
int len;
WCHAR **arg, *ret;
LPWSTR p;
len = 1;
for (arg = wargv; *arg; arg++) len += 3 + 2 * wcslen( *arg );
if (!(ret = malloc( len * sizeof(WCHAR) ))) return NULL;
p = ret;
for (arg = wargv; *arg; arg++)
{
BOOL has_space, has_quote;
int i, bcount;
WCHAR *a;
/* check for quotes and spaces in this argument */
has_space = !**arg || wcschr( *arg, ' ' ) || wcschr( *arg, '\t' );
has_quote = wcschr( *arg, '"' ) != NULL;
/* now transfer it to the command line */
if (has_space) *p++ = '"';
if (has_quote || has_space)
{
bcount = 0;
for (a = *arg; *a; a++)
{
if (*a == '\\') bcount++;
else
{
if (*a == '"') /* double all the '\\' preceding this '"', plus one */
for (i = 0; i <= bcount; i++) *p++ = '\\';
bcount = 0;
}
*p++ = *a;
}
}
else
{
wcscpy( p, *arg );
p += wcslen( p );
}
if (has_space)
{
/* Double all the '\' preceding the closing quote */
for (i = 0; i < bcount; i++) *p++ = '\\';
*p++ = '"';
}
*p++ = ' ';
}
if (p > ret) p--; /* remove last space */
*p = 0;
return ret;
}
static WCHAR *get_parent_dir(WCHAR* path)
{
WCHAR *last_slash;
WCHAR *result;
int len;
last_slash = wcsrchr( path, '\\' );
if (last_slash == NULL)
len = 1;
else
len = last_slash - path + 1;
result = malloc( len * sizeof(WCHAR) );
CopyMemory(result, path, (len-1)*sizeof(WCHAR));
result[len-1] = '\0';
return result;
}
static BOOL is_option(const WCHAR* arg, const WCHAR* opt)
{
return CompareStringW(LOCALE_USER_DEFAULT, NORM_IGNORECASE,
arg, -1, opt, -1) == CSTR_EQUAL;
}
static BOOL is_option_with_arg(WCHAR **argv, int *pos, const WCHAR* opt)
{
if (!is_option( argv[*pos], opt )) return FALSE;
(*pos)++;
if (!argv[*pos])
{
WINE_ERR("missing argument for %s\n", debugstr_w(opt));
usage();
}
return TRUE;
}
static WCHAR *parse_title(const WCHAR *arg)
{
/* See:
* WCMD_start() in programs/cmd/builtins.c
* WCMD_parameter_with_delims() in programs/cmd/batch.c
* The shell has already tokenized the command line for us.
* All we need to do is filter out all the quotes.
*/
int next;
const WCHAR *p = arg;
WCHAR *title = malloc( wcslen(arg) * sizeof(WCHAR) );
for (next = 0; *p; p++) if (*p != '"') title[next++] = *p;
title[next] = 0;
return title;
}
static BOOL search_path(const WCHAR *firstParam, WCHAR **full_path)
{
/* Copied from WCMD_run_program() in programs/cmd/wcmdmain.c */
#define MAXSTRING 8192
WCHAR temp[MAX_PATH];
WCHAR pathtosearch[MAXSTRING];
WCHAR *pathposn;
WCHAR stemofsearch[MAX_PATH]; /* maximum allowed executable name is
MAX_PATH, including null character */
WCHAR *lastSlash;
WCHAR pathext[MAXSTRING];
BOOL extensionsupplied = FALSE;
DWORD len;
/* Calculate the search path and stem to search for */
if (wcspbrk (firstParam, L"/\\:") == NULL) { /* No explicit path given, search path */
lstrcpyW(pathtosearch, L".;");
len = GetEnvironmentVariableW(L"PATH", &pathtosearch[2], ARRAY_SIZE(pathtosearch)-2);
if ((len == 0) || (len >= ARRAY_SIZE(pathtosearch) - 2)) {
lstrcpyW (pathtosearch, L".");
}
if (wcschr(firstParam, '.') != NULL) extensionsupplied = TRUE;
if (lstrlenW(firstParam) >= MAX_PATH) {
return FALSE;
}
lstrcpyW(stemofsearch, firstParam);
} else {
/* Convert eg. ..\fred to include a directory by removing file part */
GetFullPathNameW(firstParam, ARRAY_SIZE(pathtosearch), pathtosearch, NULL);
lastSlash = wcsrchr(pathtosearch, '\\');
if (lastSlash && wcschr(lastSlash, '.') != NULL) extensionsupplied = TRUE;
lstrcpyW(stemofsearch, lastSlash+1);
/* Reduce pathtosearch to a path with trailing '\' to support c:\a.bat and
c:\windows\a.bat syntax */
if (lastSlash) *(lastSlash + 1) = 0x00;
}
/* Now extract PATHEXT */
len = GetEnvironmentVariableW(L"PATHEXT", pathext, ARRAY_SIZE(pathext));
if ((len == 0) || (len >= ARRAY_SIZE(pathext))) {
lstrcpyW (pathext, L".bat;.com;.cmd;.exe");
}
/* Loop through the search path, dir by dir */
pathposn = pathtosearch;
WINE_TRACE("Searching in '%s' for '%s'\n", wine_dbgstr_w(pathtosearch),
wine_dbgstr_w(stemofsearch));
while (pathposn) {
WCHAR thisDir[MAX_PATH] = {'\0'};
int length = 0;
WCHAR *pos = NULL;
BOOL found = FALSE;
BOOL inside_quotes = FALSE;
/* Work on the first directory on the search path */
pos = pathposn;
while ((inside_quotes || *pos != ';') && *pos != 0)
{
if (*pos == '"')
inside_quotes = !inside_quotes;
pos++;
}
if (*pos) { /* Reached semicolon */
memcpy(thisDir, pathposn, (pos-pathposn) * sizeof(WCHAR));
thisDir[(pos-pathposn)] = 0x00;
pathposn = pos+1;
} else { /* Reached string end */
lstrcpyW(thisDir, pathposn);
pathposn = NULL;
}
/* Remove quotes */
length = lstrlenW(thisDir);
if (thisDir[length - 1] == '"')
thisDir[length - 1] = 0;
if (*thisDir != '"')
lstrcpyW(temp, thisDir);
else
lstrcpyW(temp, thisDir + 1);
/* Since you can have eg. ..\.. on the path, need to expand
to full information */
GetFullPathNameW(temp, MAX_PATH, thisDir, NULL);
/* 1. If extension supplied, see if that file exists */
if (thisDir[lstrlenW(thisDir) - 1] != '\\') lstrcatW(thisDir, L"\\");
lstrcatW(thisDir, stemofsearch);
pos = &thisDir[lstrlenW(thisDir)]; /* Pos = end of name */
/* 1. If extension supplied, see if that file exists */
if (extensionsupplied) {
if (GetFileAttributesW(thisDir) != INVALID_FILE_ATTRIBUTES) {
found = TRUE;
}
}
/* 2. Any .* matches? */
if (!found) {
HANDLE h;
WIN32_FIND_DATAW finddata;
lstrcatW(thisDir, L".*");
h = FindFirstFileW(thisDir, &finddata);
FindClose(h);
if (h != INVALID_HANDLE_VALUE) {
WCHAR *thisExt = pathext;
/* 3. Yes - Try each path ext */
while (thisExt) {
WCHAR *nextExt = wcschr(thisExt, ';');
if (nextExt) {
memcpy(pos, thisExt, (nextExt-thisExt) * sizeof(WCHAR));
pos[(nextExt-thisExt)] = 0x00;
thisExt = nextExt+1;
} else {
lstrcpyW(pos, thisExt);
thisExt = NULL;
}
if (GetFileAttributesW(thisDir) != INVALID_FILE_ATTRIBUTES) {
found = TRUE;
thisExt = NULL;
}
}
}
}
if (found) {
*full_path = wcsdup(thisDir);
if (!*full_path) fatal_string_error(STRING_EXECFAIL, ERROR_OUTOFMEMORY, firstParam);
return TRUE;
}
}
return FALSE;
}
static struct
{
SHELLEXECUTEINFOW sei;
WCHAR *title;
DWORD creation_flags;
USHORT machine;
BOOL cp_inherit;
} opts;
static void parse_command_line( int argc, WCHAR *argv[] )
{
int i;
const WCHAR *file = NULL;
BOOL unix_mode = FALSE;
BOOL progid_open = FALSE;
opts.sei.cbSize = sizeof(opts.sei);
opts.sei.lpVerb = L"open";
opts.sei.nShow = SW_SHOWNORMAL;
/* Dunno what these mean, but it looks like winMe's start uses them */
opts.sei.fMask = SEE_MASK_FLAG_DDEWAIT | SEE_MASK_FLAG_NO_UI;
opts.creation_flags = CREATE_NEW_CONSOLE;
opts.cp_inherit = FALSE;
/* Canonical Microsoft commandline flag processing:
* flags start with / and are case insensitive.
*/
for (i = 1; i < argc; i++)
{
/* parse first quoted argument as console title */
if (!opts.title && argv[i][0] == '"') {
opts.title = parse_title(argv[i]);
continue;
}
if (argv[i][0] != '/')
break;
if (argv[i][1] == 'd' || argv[i][1] == 'D') {
if (argv[i][2])
/* The start directory was concatenated to the option */
opts.sei.lpDirectory = argv[i]+2;
else if (i+1 == argc) {
WINE_ERR("you must specify a directory path for the /d option\n");
usage();
} else
opts.sei.lpDirectory = argv[++i];
}
else if (is_option(argv[i], L"/b"))
opts.creation_flags &= ~CREATE_NEW_CONSOLE;
else if (argv[i][0] == '/' && (argv[i][1] == 'i' || argv[i][1] == 'I'))
TRACE("/i is ignored\n"); /* FIXME */
else if (is_option(argv[i], L"/min"))
opts.sei.nShow = SW_SHOWMINIMIZED;
else if (is_option(argv[i], L"/max"))
opts.sei.nShow = SW_SHOWMAXIMIZED;
else if (is_option(argv[i], L"/low"))
opts.creation_flags |= IDLE_PRIORITY_CLASS;
else if (is_option(argv[i], L"/normal"))
opts.creation_flags |= NORMAL_PRIORITY_CLASS;
else if (is_option(argv[i], L"/high"))
opts.creation_flags |= HIGH_PRIORITY_CLASS;
else if (is_option(argv[i], L"/realtime"))
opts.creation_flags |= REALTIME_PRIORITY_CLASS;
else if (is_option(argv[i], L"/abovenormal"))
opts.creation_flags |= ABOVE_NORMAL_PRIORITY_CLASS;
else if (is_option(argv[i], L"/belownormal"))
opts.creation_flags |= BELOW_NORMAL_PRIORITY_CLASS;
else if (is_option(argv[i], L"/separate"))
opts.creation_flags |= CREATE_SEPARATE_WOW_VDM;
else if (is_option(argv[i], L"/shared"))
opts.creation_flags |= CREATE_SHARED_WOW_VDM;
else if (is_option(argv[i], L"/w") || is_option(argv[i], L"/wait"))
opts.sei.fMask |= SEE_MASK_NOCLOSEPROCESS;
else if (is_option(argv[i], L"/?"))
usage();
else if (is_option_with_arg(argv, &i, L"/node"))
TRACE("/node is ignored\n"); /* FIXME */
else if (is_option_with_arg(argv, &i, L"/affinity"))
TRACE("/affinity is ignored\n"); /* FIXME */
else if (is_option_with_arg(argv, &i, L"/machine"))
{
if (is_option( argv[i], L"x86" )) opts.machine = IMAGE_FILE_MACHINE_I386;
else if (is_option( argv[i], L"amd64" )) opts.machine = IMAGE_FILE_MACHINE_AMD64;
else if (is_option( argv[i], L"arm" )) opts.machine = IMAGE_FILE_MACHINE_ARMNT;
else if (is_option( argv[i], L"arm64" )) opts.machine = IMAGE_FILE_MACHINE_ARM64;
else usage();
}
/* Wine extensions */
else if (is_option_with_arg(argv, &i, L"/unix")) {
unix_mode = TRUE;
break;
}
else if (is_option(argv[i], L"/exec")) {
opts.creation_flags = 0;
opts.sei.fMask = SEE_MASK_NOCLOSEPROCESS | SEE_MASK_NO_CONSOLE | SEE_MASK_FLAG_NO_UI;
opts.cp_inherit = TRUE;
i++;
break;
}
else if (is_option_with_arg(argv, &i, L"/progIDOpen")) {
progid_open = TRUE;
opts.sei.lpClass = argv[i++];
opts.sei.fMask |= SEE_MASK_CLASSNAME;
break;
}
else
{
WINE_ERR("Unknown option '%s'\n", wine_dbgstr_w(argv[i]));
usage();
}
}
if (i == argc)
{
if (progid_open) usage();
file = L"cmd.exe";
}
else file = argv[i++];
opts.sei.lpParameters = build_command_line( &argv[i] );
if (unix_mode || progid_open)
{
LPWSTR (*CDECL wine_get_dos_file_name_ptr)(LPCSTR);
WCHAR *dos_filename;
char *unixpath;
int unixpath_len;
wine_get_dos_file_name_ptr = (void*)GetProcAddress(GetModuleHandleA("KERNEL32"), "wine_get_dos_file_name");
if (!wine_get_dos_file_name_ptr) fatal_string(STRING_UNIXFAIL);
unixpath_len = WideCharToMultiByte(CP_UNIXCP, 0, file, -1, NULL, 0, NULL, NULL);
unixpath = malloc( unixpath_len );
WideCharToMultiByte(CP_UNIXCP, 0, file, -1, unixpath, unixpath_len, NULL, NULL);
dos_filename = wine_get_dos_file_name_ptr(unixpath);
free( unixpath );
if (!dos_filename)
fatal_string(STRING_UNIXFAIL);
opts.sei.lpFile = dos_filename;
if (!opts.sei.lpDirectory) opts.sei.lpDirectory = get_parent_dir(dos_filename);
opts.sei.fMask &= ~SEE_MASK_FLAG_NO_UI;
}
else
{
WCHAR *fullpath;
if (search_path(file, &fullpath)) opts.sei.lpFile = fullpath;
else opts.sei.lpFile = file;
}
}
int __cdecl wmain (int argc, WCHAR *argv[])
{
DWORD binary_type;
parse_command_line( argc, argv );
if (GetBinaryTypeW(opts.sei.lpFile, &binary_type)) {
WCHAR *commandline;
STARTUPINFOEXW si = {{ sizeof(si.StartupInfo) }};
PROCESS_INFORMATION process_information;
int len = lstrlenW(opts.sei.lpFile) + 4 + lstrlenW(opts.sei.lpParameters);
/* explorer on windows always quotes the filename when running a binary on windows (see bug 5224) so we have to use CreateProcessW in this case */
if (opts.machine)
{
SIZE_T size = 1024;
struct _PROC_THREAD_ATTRIBUTE_LIST *list = malloc( size );
InitializeProcThreadAttributeList( list, 1, 0, &size );
UpdateProcThreadAttribute( list, 0, PROC_THREAD_ATTRIBUTE_MACHINE_TYPE, &opts.machine, sizeof(opts.machine), NULL, NULL );
si.StartupInfo.cb = sizeof(si);
si.lpAttributeList = list;
opts.creation_flags |= EXTENDED_STARTUPINFO_PRESENT;
}
commandline = malloc(len * sizeof(WCHAR));
swprintf(commandline, len, L"\"%s\" %s", opts.sei.lpFile, opts.sei.lpParameters);
si.StartupInfo.wShowWindow = opts.sei.nShow;
si.StartupInfo.dwFlags |= STARTF_USESHOWWINDOW;
si.StartupInfo.lpTitle = opts.title;
if (!CreateProcessW( opts.sei.lpFile, commandline, NULL, NULL, opts.cp_inherit,
opts.creation_flags, NULL, opts.sei.lpDirectory,
&si.StartupInfo, &process_information ))
{
fatal_string_error(STRING_EXECFAIL, GetLastError(), opts.sei.lpFile);
}
opts.sei.hProcess = process_information.hProcess;
goto done;
}
if (!ShellExecuteExW(&opts.sei))
{
const WCHAR *filename = opts.sei.lpFile;
DWORD size, filename_len;
WCHAR *name, *env;
size = GetEnvironmentVariableW(L"PATHEXT", NULL, 0);
if (size)
{
WCHAR *start, *ptr;
env = malloc(size * sizeof(WCHAR));
if (!env)
fatal_string_error(STRING_EXECFAIL, ERROR_OUTOFMEMORY, opts.sei.lpFile);
GetEnvironmentVariableW(L"PATHEXT", env, size);
filename_len = lstrlenW(filename);
name = malloc((filename_len + size) * sizeof(WCHAR));
if (!name)
fatal_string_error(STRING_EXECFAIL, ERROR_OUTOFMEMORY, opts.sei.lpFile);
opts.sei.lpFile = name;
start = env;
while ((ptr = wcschr(start, ';')))
{
if (start == ptr)
{
start = ptr + 1;
continue;
}
lstrcpyW(name, filename);
memcpy(&name[filename_len], start, (ptr - start) * sizeof(WCHAR));
name[filename_len + (ptr - start)] = 0;
if (ShellExecuteExW(&opts.sei)) goto done;
start = ptr + 1;
}
}
fatal_string_error(STRING_EXECFAIL, GetLastError(), filename);
}
done:
if (opts.sei.fMask & SEE_MASK_NOCLOSEPROCESS) {
DWORD exitcode;
HANDLE hJob;
JOBOBJECT_EXTENDED_LIMIT_INFORMATION info;
SetConsoleCtrlHandler(NULL, TRUE);
hJob = CreateJobObjectA(NULL, NULL);
/* Create a job where the child is associated... if the start.exe terminates
* before the child, the job will be terminated, and the child will be terminated as well.
* (The idea is to allow to kill (from a Unix standpoint) a created Windows
* process (here start.exe), and that the unix-kill of start.exe will be also terminate
* start.exe's child process).
*/
memset(&info, 0, sizeof(info));
info.BasicLimitInformation.LimitFlags =
JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE |
JOB_OBJECT_LIMIT_SILENT_BREAKAWAY_OK;
SetInformationJobObject(hJob, JobObjectExtendedLimitInformation, &info, sizeof(info));
AssignProcessToJobObject(hJob, opts.sei.hProcess);
WaitForSingleObject(opts.sei.hProcess, INFINITE);
GetExitCodeProcess(opts.sei.hProcess, &exitcode);
ExitProcess(exitcode);
}
ExitProcess(0);
}
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