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Sweden-Number/programs/start/start.c

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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;
DWORD res;
int wlen = lstrlenW(message);
if (!wlen) return;
res = WriteConsoleW(GetStdHandle(STD_OUTPUT_HANDLE), message, wlen, &count, NULL);
/* If writing to console fails, assume it's file
* i/o so convert to OEM codepage and output
*/
if (!res)
{
DWORD len;
char *mesA;
/* Convert to OEM, then output */
len = WideCharToMultiByte( GetConsoleOutputCP(), 0, message, wlen, NULL, 0, NULL, NULL );
mesA = HeapAlloc(GetProcessHeap(), 0, len*sizeof(char));
if (!mesA) return;
WideCharToMultiByte( GetConsoleOutputCP(), 0, message, wlen, mesA, len, NULL, NULL );
WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), mesA, len, &count, FALSE);
HeapFree(GetProcessHeap(), 0, 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, (__ms_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 %d\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 %d\n", GetLastError());
output(msg);
ExitProcess(1);
}
static void usage(void)
{
fatal_string(STRING_USAGE);
}
static WCHAR *build_args( int argc, WCHAR **argvW )
{
int i, wlen = 1;
WCHAR *ret, *p;
for (i = 0; i < argc; i++ )
{
wlen += lstrlenW(argvW[i]) + 1;
if (wcschr(argvW[i], ' '))
wlen += 2;
}
ret = HeapAlloc( GetProcessHeap(), 0, wlen*sizeof(WCHAR) );
ret[0] = 0;
for (i = 0, p = ret; i < argc; i++ )
{
if (wcschr(argvW[i], ' '))
p += swprintf(p, wlen - (p - ret), L" \"%s\"", argvW[i]);
else
p += swprintf(p, wlen - (p - ret), L" %s", argvW[i]);
}
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 = HeapAlloc(GetProcessHeap(), 0, 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 void parse_title(const WCHAR *arg, WCHAR *title, int size)
{
/* 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;
for (next = 0; next < (size-1) && *p; p++) {
if (*p != '"')
title[next++] = *p;
}
title[next] = '\0';
}
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) {
int needed_size = lstrlenW(thisDir) + 1;
*full_path = HeapAlloc(GetProcessHeap(), 0, needed_size * sizeof(WCHAR));
if (*full_path)
lstrcpyW(*full_path, thisDir);
return TRUE;
}
}
return FALSE;
}
int __cdecl wmain (int argc, WCHAR *argv[])
{
SHELLEXECUTEINFOW sei;
DWORD creation_flags;
WCHAR *args = NULL;
int i;
BOOL unix_mode = FALSE;
BOOL progid_open = FALSE;
WCHAR *title = NULL;
const WCHAR *file;
WCHAR *dos_filename = NULL;
WCHAR *fullpath = NULL;
WCHAR *parent_directory = NULL;
DWORD binary_type;
memset(&sei, 0, sizeof(sei));
sei.cbSize = sizeof(sei);
sei.lpVerb = L"open";
sei.nShow = SW_SHOWNORMAL;
/* Dunno what these mean, but it looks like winMe's start uses them */
sei.fMask = SEE_MASK_FLAG_DDEWAIT|
SEE_MASK_FLAG_NO_UI;
sei.lpDirectory = NULL;
creation_flags = CREATE_NEW_CONSOLE;
/* 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 (!title && argv[i][0] == '"') {
/* it will remove at least 1 quote */
int maxChars = lstrlenW(argv[1]);
title = HeapAlloc(GetProcessHeap(), 0, maxChars*sizeof(WCHAR));
if (title)
parse_title(argv[i], title, maxChars);
else {
WINE_ERR("out of memory\n");
ExitProcess(1);
}
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 */
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
sei.lpDirectory = argv[++i];
}
else if (is_option(argv[i], L"/b")) {
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")) {
sei.nShow = SW_SHOWMINIMIZED;
}
else if (is_option(argv[i], L"/max")) {
sei.nShow = SW_SHOWMAXIMIZED;
}
else if (is_option(argv[i], L"/low")) {
creation_flags |= IDLE_PRIORITY_CLASS;
}
else if (is_option(argv[i], L"/normal")) {
creation_flags |= NORMAL_PRIORITY_CLASS;
}
else if (is_option(argv[i], L"/high")) {
creation_flags |= HIGH_PRIORITY_CLASS;
}
else if (is_option(argv[i], L"/realtime")) {
creation_flags |= REALTIME_PRIORITY_CLASS;
}
else if (is_option(argv[i], L"/abovenormal")) {
creation_flags |= ABOVE_NORMAL_PRIORITY_CLASS;
}
else if (is_option(argv[i], L"/belownormal")) {
creation_flags |= BELOW_NORMAL_PRIORITY_CLASS;
}
else if (is_option(argv[i], L"/separate")) {
TRACE("/separate is ignored\n"); /* FIXME */
}
else if (is_option(argv[i], L"/shared")) {
TRACE("/shared is ignored\n"); /* FIXME */
}
else if (is_option(argv[i], L"/node")) {
if (i+1 == argc) {
WINE_ERR("you must specify a numa node for the /node option\n");
usage();
} else
{
TRACE("/node is ignored\n"); /* FIXME */
i++;
}
}
else if (is_option(argv[i], L"/affinity"))
{
if (i+1 == argc) {
WINE_ERR("you must specify a numa node for the /node option\n");
usage();
} else
{
TRACE("/affinity is ignored\n"); /* FIXME */
i++;
}
}
else if (is_option(argv[i], L"/w") || is_option(argv[i], L"/wait")) {
sei.fMask |= SEE_MASK_NOCLOSEPROCESS;
}
else if (is_option(argv[i], L"/?")) {
usage();
}
/* Wine extensions */
else if (is_option(argv[i], L"/unix")) {
unix_mode = TRUE;
i++;
break;
}
else if (is_option(argv[i], L"/exec")) {
creation_flags = 0;
sei.fMask = SEE_MASK_NOCLOSEPROCESS | SEE_MASK_NO_CONSOLE | SEE_MASK_FLAG_NO_UI;
i++;
break;
}
else if (is_option(argv[i], L"/progIDOpen")) {
progid_open = TRUE;
if (++i == argc) usage();
sei.lpClass = argv[i++];
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 || unix_mode)
usage();
file = L"cmd.exe";
}
else
file = argv[i++];
args = build_args( argc - i, &argv[i] );
sei.lpParameters = args;
if (unix_mode || progid_open) {
LPWSTR (*CDECL wine_get_dos_file_name_ptr)(LPCSTR);
char* multibyte_unixpath;
int multibyte_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);
multibyte_unixpath_len = WideCharToMultiByte(CP_UNIXCP, 0, file, -1, NULL, 0, NULL, NULL);
multibyte_unixpath = HeapAlloc(GetProcessHeap(), 0, multibyte_unixpath_len);
WideCharToMultiByte(CP_UNIXCP, 0, file, -1, multibyte_unixpath, multibyte_unixpath_len, NULL, NULL);
dos_filename = wine_get_dos_file_name_ptr(multibyte_unixpath);
HeapFree(GetProcessHeap(), 0, multibyte_unixpath);
if (!dos_filename)
fatal_string(STRING_UNIXFAIL);
sei.lpFile = dos_filename;
if (!sei.lpDirectory)
sei.lpDirectory = parent_directory = get_parent_dir(dos_filename);
sei.fMask &= ~SEE_MASK_FLAG_NO_UI;
} else {
if (search_path(file, &fullpath)) {
if (fullpath != NULL) {
sei.lpFile = fullpath;
} else {
fatal_string_error(STRING_EXECFAIL, ERROR_OUTOFMEMORY, file);
}
} else {
sei.lpFile = file;
}
}
if (GetBinaryTypeW(sei.lpFile, &binary_type)) {
WCHAR *commandline;
STARTUPINFOW startup_info;
PROCESS_INFORMATION process_information;
/* 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 */
commandline = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(sei.lpFile)+3+lstrlenW(sei.lpParameters))*sizeof(WCHAR));
swprintf(commandline, lstrlenW(sei.lpFile) + 3 + lstrlenW(sei.lpParameters),
L"\"%s\"%s", sei.lpFile, sei.lpParameters);
ZeroMemory(&startup_info, sizeof(startup_info));
startup_info.cb = sizeof(startup_info);
startup_info.wShowWindow = sei.nShow;
startup_info.dwFlags |= STARTF_USESHOWWINDOW;
startup_info.lpTitle = title;
if (!CreateProcessW(
sei.lpFile, /* lpApplicationName */
commandline, /* lpCommandLine */
NULL, /* lpProcessAttributes */
NULL, /* lpThreadAttributes */
FALSE, /* bInheritHandles */
creation_flags, /* dwCreationFlags */
NULL, /* lpEnvironment */
sei.lpDirectory, /* lpCurrentDirectory */
&startup_info, /* lpStartupInfo */
&process_information /* lpProcessInformation */ ))
{
fatal_string_error(STRING_EXECFAIL, GetLastError(), sei.lpFile);
}
sei.hProcess = process_information.hProcess;
goto done;
}
if (!ShellExecuteExW(&sei))
{
const WCHAR *filename = sei.lpFile;
DWORD size, filename_len;
WCHAR *name, *env;
size = GetEnvironmentVariableW(L"PATHEXT", NULL, 0);
if (size)
{
WCHAR *start, *ptr;
env = HeapAlloc(GetProcessHeap(), 0, size * sizeof(WCHAR));
if (!env)
fatal_string_error(STRING_EXECFAIL, ERROR_OUTOFMEMORY, sei.lpFile);
GetEnvironmentVariableW(L"PATHEXT", env, size);
filename_len = lstrlenW(filename);
name = HeapAlloc(GetProcessHeap(), 0, (filename_len + size) * sizeof(WCHAR));
if (!name)
fatal_string_error(STRING_EXECFAIL, ERROR_OUTOFMEMORY, sei.lpFile);
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(&sei))
{
HeapFree(GetProcessHeap(), 0, name);
HeapFree(GetProcessHeap(), 0, env);
goto done;
}
start = ptr + 1;
}
}
fatal_string_error(STRING_EXECFAIL, GetLastError(), filename);
}
done:
HeapFree( GetProcessHeap(), 0, args );
HeapFree( GetProcessHeap(), 0, dos_filename );
HeapFree( GetProcessHeap(), 0, fullpath );
HeapFree( GetProcessHeap(), 0, parent_directory );
HeapFree( GetProcessHeap(), 0, title );
if (sei.fMask & SEE_MASK_NOCLOSEPROCESS) {
DWORD exitcode;
WaitForSingleObject(sei.hProcess, INFINITE);
GetExitCodeProcess(sei.hProcess, &exitcode);
ExitProcess(exitcode);
}
ExitProcess(0);
}
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