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Reactos
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#include "precomp.h"
#ifdef INCLUDE_CMD_START
/* Find the end of an option, and turn it into a nul-terminated string * in place. (It's moved back one character, to make room for the nul) */static TCHAR *GetParameter(TCHAR **pPointer){ BOOL bInQuote = FALSE; TCHAR *start = *pPointer; TCHAR *p; for (p = start; *p; p++) { if (!bInQuote && (*p == _T('/') || _istspace(*p))) break; bInQuote ^= (*p == _T('"')); p[-1] = *p; } p[-1] = _T('\0'); *pPointer = p; return start - 1;}
INT cmd_start (LPTSTR Rest){ TCHAR szFullName[CMDLINE_LENGTH]; TCHAR szUnquotedName[CMDLINE_LENGTH]; TCHAR *param = NULL; TCHAR *dot; INT size; LPTSTR comspec; BOOL bWait = FALSE; BOOL bBat = FALSE; BOOL bCreate = FALSE; TCHAR szFullCmdLine[CMDLINE_LENGTH]; PROCESS_INFORMATION prci; STARTUPINFO stui;#ifdef UNICODE DWORD dwCreationFlags = CREATE_NEW_CONSOLE | CREATE_UNICODE_ENVIRONMENT;#else DWORD dwCreationFlags = CREATE_NEW_CONSOLE;#endif DWORD dwAffinityMask = 0; LPTSTR lpTitle = NULL; LPTSTR lpDirectory = NULL; LPTSTR lpEnvironment = NULL; WORD wShowWindow = SW_SHOWNORMAL;
while (1) { if (_istspace(*Rest)) { Rest++; } else if (*Rest == _T('"') && !lpTitle) { lpTitle = GetParameter(&Rest); StripQuotes(lpTitle); } else if (*Rest == _T('/')) { LPTSTR option; Rest++; option = GetParameter(&Rest); if (*option == _T('?')) { ConOutResPaging(TRUE,STRING_START_HELP1); return 0; } else if (_totupper(*option) == _T('D')) { lpDirectory = option + 1; if (!*lpDirectory) { while (_istspace(*Rest)) Rest++; lpDirectory = GetParameter(&Rest); } StripQuotes(lpDirectory); } else if (_totupper(*option) == _T('I')) { /* rest of the option is apparently ignored */ lpEnvironment = lpOriginalEnvironment; } else if (!_tcsicmp(option, _T("MIN"))) { wShowWindow = SW_MINIMIZE; } else if (!_tcsicmp(option, _T("MAX"))) { wShowWindow = SW_MAXIMIZE; } else if (!_tcsicmp(option, _T("AFFINITY"))) { TCHAR *end; while (_istspace(*Rest)) Rest++; option = GetParameter(&Rest); /* Affinity mask is given in hexadecimal */ dwAffinityMask = _tcstoul(option, &end, 16); if (*end != _T('\0') || dwAffinityMask == 0 || dwAffinityMask == (DWORD)-1) { ConErrResPrintf(STRING_ERROR_INVALID_PARAM_FORMAT, option); return 1; } dwCreationFlags |= CREATE_SUSPENDED; } else if (!_tcsicmp(option, _T("B"))) { dwCreationFlags &= ~CREATE_NEW_CONSOLE; dwCreationFlags |= CREATE_NEW_PROCESS_GROUP; } else if (!_tcsicmp(option, _T("LOW"))) { dwCreationFlags |= IDLE_PRIORITY_CLASS; } else if (!_tcsicmp(option, _T("NORMAL"))) { dwCreationFlags |= NORMAL_PRIORITY_CLASS; } else if (!_tcsicmp(option, _T("HIGH"))) { dwCreationFlags |= HIGH_PRIORITY_CLASS; } else if (!_tcsicmp(option, _T("REALTIME"))) { dwCreationFlags |= REALTIME_PRIORITY_CLASS; } else if (!_tcsicmp(option, _T("ABOVENORMAL"))) { dwCreationFlags |= ABOVE_NORMAL_PRIORITY_CLASS; } else if (!_tcsicmp(option, _T("BELOWNORMAL"))) { dwCreationFlags |= BELOW_NORMAL_PRIORITY_CLASS; } else if (!_tcsicmp(option, _T("SEPARATE"))) { dwCreationFlags |= CREATE_SEPARATE_WOW_VDM; } else if (!_tcsicmp(option, _T("SHARED"))) { dwCreationFlags |= CREATE_SHARED_WOW_VDM; } else if (!_tcsicmp(option, _T("W")) || !_tcsicmp(option, _T("WAIT"))) { bWait = TRUE; } else { ConErrResPrintf(STRING_TYPE_ERROR, option); return 0; } } else { /* It's not an option - must be the beginning of * the actual command. Leave the loop. */ break; } }
/* get comspec */ comspec = cmd_alloc ( MAX_PATH * sizeof(TCHAR)); if (!comspec) { WARN("Cannot allocate memory for start comspec!\n"); error_out_of_memory(); return 1; } SetLastError(0); size = GetEnvironmentVariable (_T("COMSPEC"), comspec, MAX_PATH); if (GetLastError() == ERROR_ENVVAR_NOT_FOUND) { _tcscpy(comspec, _T("cmd")); } else { if (size > MAX_PATH) { LPTSTR Oldcomspec = comspec; comspec = cmd_realloc(comspec,size * sizeof(TCHAR) ); if (comspec==NULL) { cmd_free(Oldcomspec); return 1; } size = GetEnvironmentVariable (_T("COMSPEC"), comspec, size); } }
nErrorLevel = 0;
if (!*Rest) { Rest = _T("cmd.exe"); } else /* Parsing the command that gets called by start, and it's parameters */ { BOOL bInside = FALSE; INT i; /* find the end of the command and put the arguments in param */ for (i = 0; Rest[i]; i++) { if (Rest[i] == _T('\"')) bInside = !bInside; if (_istspace(Rest[i]) && !bInside) { param = &Rest[i+1]; Rest[i] = _T('\0'); break; } } }
_tcscpy(szUnquotedName, Rest); StripQuotes(szUnquotedName);
/* get the PATH environment variable and parse it */ /* search the PATH environment variable for the binary */ if (SearchForExecutable(szUnquotedName, szFullName)) { /* check if this is a .BAT or .CMD file */ dot = _tcsrchr(szFullName, _T('.')); if (dot && (!_tcsicmp(dot, _T(".bat")) || !_tcsicmp(dot, _T(".cmd")))) { bBat = TRUE; _stprintf(szFullCmdLine, _T("\"%s\" /K %s"), comspec, Rest); TRACE ("[BATCH: %s %s]\n", debugstr_aw(szFullName), debugstr_aw(Rest)); } else { TRACE ("[EXEC: %s %s]\n", debugstr_aw(szFullName), debugstr_aw(Rest)); _tcscpy(szFullCmdLine, szFullName); }
/* build command line for CreateProcess() */ if (param != NULL) { _tcsncat(szFullCmdLine, _T(" "), CMDLINE_LENGTH - _tcslen(szFullCmdLine)); _tcsncat(szFullCmdLine, param, CMDLINE_LENGTH - _tcslen(szFullCmdLine)); }
/* fill startup info */ memset (&stui, 0, sizeof (STARTUPINFO)); stui.cb = sizeof (STARTUPINFO); stui.dwFlags = STARTF_USESHOWWINDOW; stui.lpTitle = lpTitle; stui.wShowWindow = wShowWindow;
bCreate = CreateProcess(bBat ? comspec : szFullName, szFullCmdLine, NULL, NULL, TRUE, dwCreationFlags, lpEnvironment, lpDirectory, &stui, &prci); if (bCreate) { if (dwAffinityMask) { SetProcessAffinityMask(prci.hProcess, dwAffinityMask); ResumeThread(prci.hThread); } CloseHandle(prci.hThread); } } else { /* The file name did not seem to be valid, but maybe it's actually a * directory or URL, so we still want to pass it to ShellExecute. */ _tcscpy(szFullName, szUnquotedName); }
if (!bCreate) { /* CreateProcess didn't work; try ShellExecute */ DWORD flags = SEE_MASK_NOCLOSEPROCESS; if (!(dwCreationFlags & CREATE_NEW_CONSOLE)) flags |= SEE_MASK_NO_CONSOLE; prci.hProcess = RunFile(flags, szFullName, param, lpDirectory, wShowWindow); }
if (prci.hProcess != NULL) { if (bWait) { DWORD dwExitCode; WaitForSingleObject (prci.hProcess, INFINITE); GetExitCodeProcess (prci.hProcess, &dwExitCode); nErrorLevel = (INT)dwExitCode; } CloseHandle (prci.hProcess);
/* Update the local code page cache */ { UINT uNewInputCodePage = GetConsoleCP(); UINT uNewOutputCodePage = GetConsoleOutputCP();
if ((InputCodePage != uNewInputCodePage) || (OutputCodePage != uNewOutputCodePage)) { InputCodePage = uNewInputCodePage; OutputCodePage = uNewOutputCodePage;
/* Reset the current thread UI language */ if (IsConsoleHandle(ConStreamGetOSHandle(StdOut)) || IsConsoleHandle(ConStreamGetOSHandle(StdErr))) { ConSetThreadUILanguage(0); } /* Update the streams cached code page */ ConStdStreamsSetCacheCodePage(InputCodePage, OutputCodePage);
/* Update the locale as well */ InitLocale(); } } } else { ErrorMessage(GetLastError (), _T("Error executing CreateProcess()!!\n")); }
cmd_free(comspec); return 0;}
#endif
/* EOF */