108 lines
3 KiB
C
108 lines
3 KiB
C
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#include "shellprv.h"
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#pragma hdrstop
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BOOL _CopyCommand(LPCTSTR pszCommand, LPCTSTR pszDir, LPTSTR pszOut, DWORD cchOut)
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{
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BOOL fCopyBack = TRUE;
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BOOL fRet = TRUE;
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// if it does not have quotes, try unquoted name to see if that works...
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if (pszCommand[0] != TEXT('"'))
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{
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if (UrlIs(pszCommand, URLIS_URL))
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{
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// urls never have params...
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fCopyBack = fRet = FALSE;
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lstrcpyn(pszOut, pszCommand, cchOut);
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}
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else if (StrChr(pszCommand, TEXT(' ')))
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{
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lstrcpyn(pszOut, pszCommand, cchOut);
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PathQualifyDef(pszOut, pszDir, 0);
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// Check for possible existence of arguments
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if (PathFileExistsAndAttributes(pszOut, NULL))
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{
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fCopyBack = fRet = FALSE;
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}
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}
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else
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fRet = FALSE;
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}
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// we need to put the original command for args parsing
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if (fCopyBack)
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lstrcpyn(pszOut, pszCommand, cchOut);
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return fRet;
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}
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BOOL _QualifyWorkingDir(LPCTSTR pszPath, LPTSTR pszDir, DWORD cchDir)
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{
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// special case to make sure the working dir gets set right:
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// 1) no working dir specified
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// 2) a drive or a root path, or a relative path specified
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// derive the working dir from the qualified path. this is to make
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// sure the working dir for setup programs "A:setup" is set right
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if (StrChr(pszPath, TEXT('\\')) || StrChr(pszPath, TEXT(':')))
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{
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// build working dir based on qualified path
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lstrcpyn(pszDir, pszPath, cchDir);
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PathQualifyDef(pszDir, NULL, PQD_NOSTRIPDOTS);
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PathRemoveFileSpec(pszDir);
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return TRUE;
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}
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return FALSE;
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}
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// Run the thing, return TRUE if everything went OK
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BOOL ShellExecCmdLine(HWND hwnd, LPCTSTR pszCommand, LPCTSTR pszDir,
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int nShow, LPCTSTR pszTitle, DWORD dwFlags)
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{
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TCHAR szWD[MAX_PATH];
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TCHAR szFileName[MAX_PATH];
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LPTSTR pszArgs;
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SHELLEXECUTEINFO ei = {0};
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if (pszDir && *pszDir == TEXT('\0'))
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pszDir = NULL;
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if (_CopyCommand(pszCommand, pszDir, szFileName, SIZECHARS(szFileName)))
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{
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// there might be args in that command
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pszArgs = PathGetArgs(szFileName);
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if (*pszArgs)
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*(pszArgs - 1) = TEXT('\0');
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}
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else
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pszArgs = NULL;
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PathUnquoteSpaces(szFileName);
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// this needs to be here. app installs rely on the current directory
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// to be the directory with the setup.exe
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if (!UrlIs(szFileName, URLIS_URL)
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&& ((dwFlags & SECL_USEFULLPATHDIR) || !pszDir))
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{
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if (_QualifyWorkingDir(szFileName, szWD, SIZECHARS(szWD)))
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pszDir = szWD;
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}
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FillExecInfo(ei, hwnd, NULL, szFileName, pszArgs, pszDir, nShow);
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ei.fMask = SEE_MASK_FLAG_DDEWAIT | SEE_MASK_DOENVSUBST;
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if (dwFlags & SECL_NO_UI)
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ei.fMask |= SEE_MASK_FLAG_NO_UI;
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if (dwFlags & SECL_SEPARATE_VDM)
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ei.fMask |= SEE_MASK_FLAG_SEPVDM;
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if (dwFlags & SECL_LOG_USAGE)
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ei.fMask |= SEE_MASK_FLAG_LOG_USAGE;
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return ShellExecuteEx(&ei);
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}
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