mirror of
https://github.com/reactos/reactos.git
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323 lines
9.3 KiB
C
323 lines
9.3 KiB
C
/*
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* START.C - start internal command.
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*
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*
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* History:
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*
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* 24-Jul-1999 (Eric Kohl)
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* Started.
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*
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* 30-Apr-2005 (Magnus Olsen <magnus@greatlord.com>)
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* Remove all hardcoded strings in En.rc
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*/
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#include "precomp.h"
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#ifdef INCLUDE_CMD_START
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/* Find the end of an option, and turn it into a nul-terminated string
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* in place. (It's moved back one character, to make room for the nul) */
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static TCHAR *GetParameter(TCHAR **pPointer)
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{
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BOOL bInQuote = FALSE;
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TCHAR *start = *pPointer;
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TCHAR *p;
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for (p = start; *p; p++)
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{
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if (!bInQuote && (*p == _T('/') || _istspace(*p)))
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break;
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bInQuote ^= (*p == _T('"'));
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p[-1] = *p;
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}
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p[-1] = _T('\0');
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*pPointer = p;
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return start - 1;
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}
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INT cmd_start (LPTSTR Rest)
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{
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TCHAR szFullName[CMDLINE_LENGTH];
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TCHAR szUnquotedName[CMDLINE_LENGTH];
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TCHAR *param = NULL;
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TCHAR *dot;
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INT size;
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LPTSTR comspec;
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BOOL bWait = FALSE;
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BOOL bBat = FALSE;
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BOOL bCreate = FALSE;
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TCHAR szFullCmdLine [CMDLINE_LENGTH];
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PROCESS_INFORMATION prci;
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STARTUPINFO stui;
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#ifdef UNICODE
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DWORD dwCreationFlags = CREATE_NEW_CONSOLE | CREATE_UNICODE_ENVIRONMENT;
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#else
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DWORD dwCreationFlags = CREATE_NEW_CONSOLE;
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#endif
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DWORD dwAffinityMask = 0;
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LPTSTR lpTitle = NULL;
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LPTSTR lpDirectory = NULL;
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LPTSTR lpEnvironment = NULL;
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WORD wShowWindow = SW_SHOWNORMAL;
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while (1)
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{
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if (_istspace(*Rest))
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{
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Rest++;
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}
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else if (*Rest == _T('"') && !lpTitle)
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{
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lpTitle = GetParameter(&Rest);
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StripQuotes(lpTitle);
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}
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else if (*Rest == L'/')
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{
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LPTSTR option;
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Rest++;
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option = GetParameter(&Rest);
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if (*option == _T('?'))
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{
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ConOutResPaging(TRUE,STRING_START_HELP1);
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return 0;
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}
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else if (_totupper(*option) == _T('D'))
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{
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lpDirectory = option + 1;
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if (!*lpDirectory)
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{
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while (_istspace(*Rest))
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Rest++;
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lpDirectory = GetParameter(&Rest);
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}
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StripQuotes(lpDirectory);
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}
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else if (_totupper(*option) == _T('I'))
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{
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/* rest of the option is apparently ignored */
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lpEnvironment = lpOriginalEnvironment;
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}
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else if (!_tcsicmp(option, _T("MIN")))
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{
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wShowWindow = SW_MINIMIZE;
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}
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else if (!_tcsicmp(option, _T("MAX")))
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{
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wShowWindow = SW_MAXIMIZE;
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}
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else if (!_tcsicmp(option, _T("AFFINITY")))
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{
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TCHAR *end;
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while (_istspace(*Rest))
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Rest++;
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option = GetParameter(&Rest);
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/* Affinity mask is given in hexadecimal */
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dwAffinityMask = _tcstoul(option, &end, 16);
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if (*end != _T('\0') || dwAffinityMask == 0 ||
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dwAffinityMask == (DWORD)-1)
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{
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ConErrResPrintf(STRING_ERROR_INVALID_PARAM_FORMAT, option);
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return 1;
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}
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dwCreationFlags |= CREATE_SUSPENDED;
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}
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else if (!_tcsicmp(option, _T("B")))
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{
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dwCreationFlags &= ~CREATE_NEW_CONSOLE;
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dwCreationFlags |= CREATE_NEW_PROCESS_GROUP;
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}
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else if (!_tcsicmp(option, _T("LOW")))
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{
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dwCreationFlags |= IDLE_PRIORITY_CLASS;
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}
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else if (!_tcsicmp(option, _T("NORMAL")))
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{
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dwCreationFlags |= NORMAL_PRIORITY_CLASS;
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}
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else if (!_tcsicmp(option, _T("HIGH")))
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{
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dwCreationFlags |= HIGH_PRIORITY_CLASS;
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}
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else if (!_tcsicmp(option, _T("REALTIME")))
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{
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dwCreationFlags |= REALTIME_PRIORITY_CLASS;
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}
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else if (!_tcsicmp(option, _T("ABOVENORMAL")))
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{
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dwCreationFlags |= ABOVE_NORMAL_PRIORITY_CLASS;
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}
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else if (!_tcsicmp(option, _T("BELOWNORMAL")))
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{
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dwCreationFlags |= BELOW_NORMAL_PRIORITY_CLASS;
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}
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else if (!_tcsicmp(option, _T("SEPARATE")))
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{
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dwCreationFlags |= CREATE_SEPARATE_WOW_VDM;
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}
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else if (!_tcsicmp(option, _T("SHARED")))
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{
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dwCreationFlags |= CREATE_SHARED_WOW_VDM;
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}
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else if (!_tcsicmp(option, _T("W")) ||
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!_tcsicmp(option, _T("WAIT")))
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{
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bWait = TRUE;
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}
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else
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{
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ConErrResPrintf(STRING_TYPE_ERROR1, option);
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return 0;
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}
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}
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else
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{
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/* It's not an option - must be the beginning of
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* the actual command. Leave the loop. */
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break;
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}
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}
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/* get comspec */
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comspec = cmd_alloc ( MAX_PATH * sizeof(TCHAR));
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if (comspec == NULL)
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{
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error_out_of_memory();
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return 1;
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}
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SetLastError(0);
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size = GetEnvironmentVariable (_T("COMSPEC"), comspec, MAX_PATH);
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if (GetLastError() == ERROR_ENVVAR_NOT_FOUND)
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{
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_tcscpy(comspec, _T("cmd"));
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}
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else
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{
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if (size > MAX_PATH)
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{
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LPTSTR Oldcomspec = comspec;
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comspec = cmd_realloc(comspec,size * sizeof(TCHAR) );
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if (comspec==NULL)
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{
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cmd_free(Oldcomspec);
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return 1;
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}
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size = GetEnvironmentVariable (_T("COMSPEC"), comspec, size);
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}
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}
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nErrorLevel = 0;
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if (!*Rest)
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{
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Rest = _T("cmd.exe");
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}
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else
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/* Parsing the command that gets called by start, and it's parameters */
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{
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BOOL bInside = FALSE;
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INT i;
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/* find the end of the command and put the arguments in param */
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for (i = 0; Rest[i]; i++)
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{
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if (Rest[i] == _T('\"'))
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bInside = !bInside;
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if (_istspace(Rest[i]) && !bInside)
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{
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param = &Rest[i+1];
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Rest[i] = _T('\0');
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break;
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}
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}
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}
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_tcscpy(szUnquotedName, Rest);
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StripQuotes(szUnquotedName);
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/* get the PATH environment variable and parse it */
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/* search the PATH environment variable for the binary */
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if (SearchForExecutable(szUnquotedName, szFullName))
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{
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/* check if this is a .BAT or .CMD file */
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dot = _tcsrchr(szFullName, _T('.'));
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if (dot && (!_tcsicmp(dot, _T(".bat")) || !_tcsicmp(dot, _T(".cmd"))))
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{
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bBat = TRUE;
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_stprintf(szFullCmdLine, _T("\"%s\" /K %s"), comspec, Rest);
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TRACE ("[BATCH: %s %s]\n", debugstr_aw(szFullName), debugstr_aw(Rest));
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}
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else
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{
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TRACE ("[EXEC: %s %s]\n", debugstr_aw(szFullName), debugstr_aw(Rest));
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_tcscpy(szFullCmdLine, szFullName);
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}
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/* build command line for CreateProcess() */
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if (param != NULL)
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{
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_tcsncat(szFullCmdLine, _T(" "), CMDLINE_LENGTH - _tcslen(szFullCmdLine));
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_tcsncat(szFullCmdLine, param, CMDLINE_LENGTH - _tcslen(szFullCmdLine));
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}
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/* fill startup info */
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memset (&stui, 0, sizeof (STARTUPINFO));
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stui.cb = sizeof (STARTUPINFO);
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stui.dwFlags = STARTF_USESHOWWINDOW;
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stui.lpTitle = lpTitle;
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stui.wShowWindow = wShowWindow;
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bCreate = CreateProcess(bBat ? comspec : szFullName,
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szFullCmdLine, NULL, NULL, TRUE, dwCreationFlags,
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lpEnvironment, lpDirectory, &stui, &prci);
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if (bCreate)
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{
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if (dwAffinityMask)
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{
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SetProcessAffinityMask(prci.hProcess, dwAffinityMask);
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ResumeThread(prci.hThread);
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}
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CloseHandle(prci.hThread);
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}
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}
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else
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{
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/* The file name did not seem to be valid, but maybe it's actually a
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* directory or URL, so we still want to pass it to ShellExecute. */
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_tcscpy(szFullName, szUnquotedName);
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}
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if (!bCreate)
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{
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/* CreateProcess didn't work; try ShellExecute */
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DWORD flags = SEE_MASK_NOCLOSEPROCESS;
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if (!(dwCreationFlags & CREATE_NEW_CONSOLE))
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flags |= SEE_MASK_NO_CONSOLE;
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prci.hProcess = RunFile(flags, szFullName, param, lpDirectory, wShowWindow);
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}
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if (prci.hProcess != NULL)
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{
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if (bWait)
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{
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DWORD dwExitCode;
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WaitForSingleObject (prci.hProcess, INFINITE);
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GetExitCodeProcess (prci.hProcess, &dwExitCode);
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nErrorLevel = (INT)dwExitCode;
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}
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CloseHandle (prci.hProcess);
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/* Get New code page if it has change */
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InputCodePage= GetConsoleCP();
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OutputCodePage = GetConsoleOutputCP();
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}
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else
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{
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ErrorMessage(GetLastError (),
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_T("Error executing CreateProcess()!!\n"));
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}
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cmd_free(comspec);
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return 0;
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}
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#endif
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/* EOF */
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