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[SHELL32] Improve FindExecutableW (#6635)

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Follow-up to #6656. An approach to
implement ShellExecuteEx correctly.
JIRA issue: CORE-19493
- Rewrite code by using AssocQueryStringW
  and PathResolveW functions.
This commit is contained in:
Katayama Hirofumi MZ 2024-03-27 17:04:49 +09:00 committed by GitHub
parent 00c4b3d99f
commit f9a5585870
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GPG Key ID: B5690EEEBB952194
1 changed files with 38 additions and 15 deletions
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53
dll/win32/shell32/shlexec.cpp
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@ -1256,29 +1256,52 @@ HINSTANCE WINAPI FindExecutableA(LPCSTR lpFile, LPCSTR lpDirectory, LPSTR lpResu
*/
HINSTANCE WINAPI FindExecutableW(LPCWSTR lpFile, LPCWSTR lpDirectory, LPWSTR lpResult)
{
UINT_PTR retval = SE_ERR_NOASSOC;
WCHAR old_dir[1024];
WCHAR res[MAX_PATH];
UINT_PTR retval;
WCHAR old_dir[MAX_PATH], res[MAX_PATH];
DWORD cch = _countof(res);
LPCWSTR dirs[2];
TRACE("File %s, Dir %s\n", debugstr_w(lpFile), debugstr_w(lpDirectory));
lpResult[0] = '\0'; /* Start off with an empty return string */
if (lpFile == NULL)
return (HINSTANCE)SE_ERR_FNF;
*lpResult = UNICODE_NULL;
if (lpDirectory)
GetCurrentDirectoryW(_countof(old_dir), old_dir);
if (lpDirectory && *lpDirectory)
{
GetCurrentDirectoryW(ARRAY_SIZE(old_dir), old_dir);
SetCurrentDirectoryW(lpDirectory);
dirs[0] = lpDirectory;
}
else
{
dirs[0] = old_dir;
}
dirs[1] = NULL;
if (!GetShortPathNameW(lpFile, res, _countof(res)))
StringCchCopyW(res, _countof(res), lpFile);
if (PathResolveW(res, dirs, PRF_TRYPROGRAMEXTENSIONS))
{
// NOTE: The last parameter of this AssocQueryStringW call is "strange" in Windows.
if (PathIsExeW(res) ||
SUCCEEDED(AssocQueryStringW(ASSOCF_NONE, ASSOCSTR_EXECUTABLE, res, NULL, res, &cch)))
{
StringCchCopyW(lpResult, MAX_PATH, res);
retval = 42;
}
else
{
retval = SE_ERR_NOASSOC;
}
}
else
{
retval = SE_ERR_FNF;
}
retval = SHELL_FindExecutable(lpDirectory, lpFile, L"open", res, MAX_PATH, NULL, NULL, NULL, NULL);
if (retval > 32)
strcpyW(lpResult, res);
TRACE("returning %s\n", debugstr_w(lpResult));
if (lpDirectory)
SetCurrentDirectoryW(old_dir);
SetCurrentDirectoryW(old_dir);
return (HINSTANCE)retval;
}
@ -2550,7 +2573,7 @@ HRESULT WINAPI ShellExecCmdLine(
if (dwSeclFlags & SECL_RUNAS)
{
dwSize = 0;
hr = AssocQueryStringW(0, ASSOCSTR_COMMAND, lpCommand, L"RunAs", NULL, &dwSize);
hr = AssocQueryStringW(ASSOCF_NONE, ASSOCSTR_COMMAND, lpCommand, L"RunAs", NULL, &dwSize);
if (SUCCEEDED(hr) && dwSize != 0)
{
pszVerb = L"runas";