programs/start/start.c

   1 /*
   2  * Start a program using ShellExecuteEx, optionally wait for it to finish
   3  * Compatible with Microsoft's "c:\windows\command\start.exe"
   4  *
   5  * Copyright 2003 Dan Kegel
   6  * Copyright 2007 Lyutin Anatoly (Etersoft)
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #include <windows.h>
  24 #include <winuser.h>
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <shlobj.h>
  28
  29 #include <wine/unicode.h>
  30 #include <wine/debug.h>
  31
  32 #include "resources.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(start);
  35
  36 /**
  37  Output given message to stdout without formatting.
  38 */
  39 static void output(const WCHAR *message)
  40 {
  41         DWORD count;
  42         DWORD   res;
  43         int    wlen = strlenW(message);
  44
  45         if (!wlen) return;
  46
  47         res = WriteConsoleW(GetStdHandle(STD_OUTPUT_HANDLE), message, wlen, &count, NULL);
  48
  49         /* If writing to console fails, assume it's file
  50          * i/o so convert to OEM codepage and output
  51          */
  52         if (!res)
  53         {
  54                 DWORD len;
  55                 char  *mesA;
  56                 /* Convert to OEM, then output */
  57                 len = WideCharToMultiByte( GetConsoleOutputCP(), 0, message, wlen, NULL, 0, NULL, NULL );
  58                 mesA = HeapAlloc(GetProcessHeap(), 0, len*sizeof(char));
  59                 if (!mesA) return;
  60                 WideCharToMultiByte( GetConsoleOutputCP(), 0, message, wlen, mesA, len, NULL, NULL );
  61                 WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), mesA, len, &count, FALSE);
  62                 HeapFree(GetProcessHeap(), 0, mesA);
  63         }
  64 }
  65
  66 /**
  67  Output given message from string table,
  68  followed by ": ",
  69  followed by description of given GetLastError() value to stdout,
  70  followed by a trailing newline,
  71  then terminate.
  72 */
  73
  74 static void fatal_error(const WCHAR *msg, DWORD error_code, const WCHAR *filename)
  75 {
  76     DWORD_PTR args[1];
  77     LPVOID lpMsgBuf;
  78     int status;
  79     static const WCHAR colonsW[] = { ':', ' ', 0 };
  80     static const WCHAR newlineW[] = { '\n', 0 };
  81
  82     output(msg);
  83     output(colonsW);
  84     args[0] = (DWORD_PTR)filename;
  85     status = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ARGUMENT_ARRAY,
  86                             NULL, error_code, 0, (LPWSTR)&lpMsgBuf, 0, (__ms_va_list *)args );
  87     if (!status)
  88     {
  89         WINE_ERR("FormatMessage failed\n");
  90     } else
  91     {
  92         output(lpMsgBuf);
  93         LocalFree((HLOCAL) lpMsgBuf);
  94         output(newlineW);
  95     }
  96     ExitProcess(1);
  97 }
  98
  99 static void fatal_string_error(int which, DWORD error_code, const WCHAR *filename)
 100 {
 101         WCHAR msg[2048];
 102
 103         if (!LoadStringW(GetModuleHandleW(NULL), which,
 104                                         msg, sizeof(msg)/sizeof(WCHAR)))
 105                 WINE_ERR("LoadString failed, error %d\n", GetLastError());
 106
 107         fatal_error(msg, error_code, filename);
 108 }
 109
 110 static void fatal_string(int which)
 111 {
 112         WCHAR msg[2048];
 113
 114         if (!LoadStringW(GetModuleHandleW(NULL), which,
 115                                         msg, sizeof(msg)/sizeof(WCHAR)))
 116                 WINE_ERR("LoadString failed, error %d\n", GetLastError());
 117
 118         output(msg);
 119         ExitProcess(1);
 120 }
 121
 122 static void usage(void)
 123 {
 124         fatal_string(STRING_USAGE);
 125 }
 126
 127 static void license(void)
 128 {
 129         fatal_string(STRING_LICENSE);
 130 }
 131
 132 static WCHAR *build_args( int argc, WCHAR **argvW )
 133 {
 134         int i, wlen = 1;
 135         WCHAR *ret, *p;
 136         static const WCHAR FormatQuotesW[] = { ' ', '\"', '%', 's', '\"', 0 };
 137         static const WCHAR FormatW[] = { ' ', '%', 's', 0 };
 138
 139         for (i = 0; i < argc; i++ )
 140         {
 141                 wlen += strlenW(argvW[i]) + 1;
 142                 if (strchrW(argvW[i], ' '))
 143                         wlen += 2;
 144         }
 145         ret = HeapAlloc( GetProcessHeap(), 0, wlen*sizeof(WCHAR) );
 146         ret[0] = 0;
 147
 148         for (i = 0, p = ret; i < argc; i++ )
 149         {
 150                 if (strchrW(argvW[i], ' '))
 151                         p += sprintfW(p, FormatQuotesW, argvW[i]);
 152                 else
 153                         p += sprintfW(p, FormatW, argvW[i]);
 154         }
 155         return ret;
 156 }
 157
 158 static WCHAR *get_parent_dir(WCHAR* path)
 159 {
 160         WCHAR *last_slash;
 161         WCHAR *result;
 162         int len;
 163
 164         last_slash = strrchrW( path, '\\' );
 165         if (last_slash == NULL)
 166                 len = 1;
 167         else
 168                 len = last_slash - path + 1;
 169
 170         result = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 171         CopyMemory(result, path, (len-1)*sizeof(WCHAR));
 172         result[len-1] = '\0';
 173
 174         return result;
 175 }
 176
 177 int wmain (int argc, WCHAR *argv[])
 178 {
 179         SHELLEXECUTEINFOW sei;
 180         WCHAR *args = NULL;
 181         int i;
 182         int unix_mode = 0;
 183         int progid_open = 0;
 184         WCHAR *dos_filename = NULL;
 185         WCHAR *parent_directory = NULL;
 186         DWORD binary_type;
 187
 188         static const WCHAR openW[] = { 'o', 'p', 'e', 'n', 0 };
 189         static const WCHAR unixW[] = { 'u', 'n', 'i', 'x', 0 };
 190         static const WCHAR progIDOpenW[] =
 191                 { 'p', 'r', 'o', 'g', 'I', 'D', 'O', 'p', 'e', 'n', 0};
 192
 193         memset(&sei, 0, sizeof(sei));
 194         sei.cbSize = sizeof(sei);
 195         sei.lpVerb = openW;
 196         sei.nShow = SW_SHOWNORMAL;
 197         /* Dunno what these mean, but it looks like winMe's start uses them */
 198         sei.fMask = SEE_MASK_FLAG_DDEWAIT|
 199                     SEE_MASK_FLAG_NO_UI|
 200                     SEE_MASK_NO_CONSOLE;
 201
 202         /* Canonical Microsoft commandline flag processing:
 203          * flags start with /, are case insensitive,
 204          * and may be run together in same word.
 205          */
 206         for (i=1; i<argc; i++) {
 207                 int ci;
 208
 209                 if (argv[i][0] != '/')
 210                         break;
 211
 212                 /* Unix paths can start with / so we have to assume anything following /U is not a flag */
 213                 if (unix_mode || progid_open)
 214                         break;
 215
 216                 /* Handle all options in this word */
 217                 for (ci=0; argv[i][ci]; ) {
 218                         /* Skip slash */
 219                         ci++;
 220                         switch(argv[i][ci]) {
 221                         case 'b':
 222                         case 'B':
 223                                 break; /* FIXME: should stop new window from being created */
 224                         case 'i':
 225                         case 'I':
 226                                 break; /* FIXME: should ignore any changes to current environment */
 227                         case 'l':
 228                         case 'L':
 229                                 license();
 230                                 break;  /* notreached */
 231                         case 'm':
 232                         case 'M':
 233                                 if (argv[i][ci+1] == 'a' || argv[i][ci+1] == 'A')
 234                                         sei.nShow = SW_SHOWMAXIMIZED;
 235                                 else
 236                                         sei.nShow = SW_SHOWMINIMIZED;
 237                                 break;
 238                         case 'r':
 239                         case 'R':
 240                                 /* sei.nShow = SW_SHOWNORMAL; */
 241                                 break;
 242                         case 'u':
 243                         case 'U':
 244                                 if (strncmpiW(&argv[i][ci], unixW, 4) == 0)
 245                                         unix_mode = 1;
 246                                 else {
 247                                         WINE_ERR("Option '%s' not recognized\n", wine_dbgstr_w( argv[i]+ci-1));
 248                                         usage();
 249                                 }
 250                                 break;
 251                         case 'p':
 252                         case 'P':
 253                                 if (strncmpiW(&argv[i][ci], progIDOpenW, 17) == 0)
 254                                         progid_open = 1;
 255                                 else {
 256                                         WINE_ERR("Option '%s' not recognized\n", wine_dbgstr_w( argv[i]+ci-1));
 257                                         usage();
 258                                 }
 259                                 break;
 260                         case 'w':
 261                         case 'W':
 262                                 sei.fMask |= SEE_MASK_NOCLOSEPROCESS;
 263                                 break;
 264                         case '?':
 265                                 usage();
 266                                 break;
 267                         default:
 268                                 WINE_ERR("Option '%s' not recognized\n", wine_dbgstr_w( argv[i]+ci-1));
 269                                 usage();
 270                         }
 271                         /* Skip to next slash */
 272                         while (argv[i][ci] && (argv[i][ci] != '/'))
 273                                 ci++;
 274                 }
 275         }
 276
 277         if (i == argc)
 278                 usage();
 279
 280         if (progid_open) {
 281                 sei.lpClass = argv[i++];
 282                 sei.fMask |= SEE_MASK_CLASSNAME;
 283         }
 284
 285         sei.lpFile = argv[i++];
 286
 287         args = build_args( argc - i, &argv[i] );
 288         sei.lpParameters = args;
 289
 290         if (unix_mode || progid_open) {
 291                 LPWSTR (*CDECL wine_get_dos_file_name_ptr)(LPCSTR);
 292                 char* multibyte_unixpath;
 293                 int multibyte_unixpath_len;
 294
 295                 wine_get_dos_file_name_ptr = (void*)GetProcAddress(GetModuleHandleA("KERNEL32"), "wine_get_dos_file_name");
 296
 297                 if (!wine_get_dos_file_name_ptr)
 298                         fatal_string(STRING_UNIXFAIL);
 299
 300                 multibyte_unixpath_len = WideCharToMultiByte(CP_UNIXCP, 0, sei.lpFile, -1, NULL, 0, NULL, NULL);
 301                 multibyte_unixpath = HeapAlloc(GetProcessHeap(), 0, multibyte_unixpath_len);
 302
 303                 WideCharToMultiByte(CP_UNIXCP, 0, sei.lpFile, -1, multibyte_unixpath, multibyte_unixpath_len, NULL, NULL);
 304
 305                 dos_filename = wine_get_dos_file_name_ptr(multibyte_unixpath);
 306
 307                 HeapFree(GetProcessHeap(), 0, multibyte_unixpath);
 308
 309                 if (!dos_filename)
 310                         fatal_string(STRING_UNIXFAIL);
 311
 312                 sei.lpFile = dos_filename;
 313                 sei.lpDirectory = parent_directory = get_parent_dir(dos_filename);
 314                 sei.fMask &= ~SEE_MASK_FLAG_NO_UI;
 315
 316                 if (GetBinaryTypeW(sei.lpFile, &binary_type)) {
 317                     WCHAR *commandline;
 318                     STARTUPINFOW startup_info;
 319                     PROCESS_INFORMATION process_information;
 320                     static WCHAR commandlineformat[] = {'"','%','s','"','%','s',0};
 321
 322                     /* 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 */
 323
 324                     commandline = HeapAlloc(GetProcessHeap(), 0, (strlenW(sei.lpFile)+3+strlenW(sei.lpParameters))*sizeof(WCHAR));
 325                     sprintfW(commandline, commandlineformat, sei.lpFile, sei.lpParameters);
 326
 327                     ZeroMemory(&startup_info, sizeof(startup_info));
 328                     startup_info.cb = sizeof(startup_info);
 329
 330                     if (!CreateProcessW(
 331                             NULL, /* lpApplicationName */
 332                             commandline, /* lpCommandLine */
 333                             NULL, /* lpProcessAttributes */
 334                             NULL, /* lpThreadAttributes */
 335                             FALSE, /* bInheritHandles */
 336                             CREATE_NEW_CONSOLE, /* dwCreationFlags */
 337                             NULL, /* lpEnvironment */
 338                             sei.lpDirectory, /* lpCurrentDirectory */
 339                             &startup_info, /* lpStartupInfo */
 340                             &process_information /* lpProcessInformation */ ))
 341                     {
 342                         fatal_string_error(STRING_EXECFAIL, GetLastError(), sei.lpFile);
 343                     }
 344                     sei.hProcess = process_information.hProcess;
 345                     goto done;
 346                 }
 347         }
 348
 349         if (!ShellExecuteExW(&sei))
 350             fatal_string_error(STRING_EXECFAIL, GetLastError(), sei.lpFile);
 351
 352 done:
 353         HeapFree( GetProcessHeap(), 0, args );
 354         HeapFree( GetProcessHeap(), 0, dos_filename );
 355         HeapFree( GetProcessHeap(), 0, parent_directory );
 356
 357         if (sei.fMask & SEE_MASK_NOCLOSEPROCESS) {
 358                 DWORD exitcode;
 359                 WaitForSingleObject(sei.hProcess, INFINITE);
 360                 GetExitCodeProcess(sei.hProcess, &exitcode);
 361                 ExitProcess(exitcode);
 362         }
 363
 364         ExitProcess(0);
 365 }