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winws2: fix utf8 file names when setting mandatory level

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bol-van
2025-11-24 08:19:42 +03:00
parent 2b85262ee2
commit b4aff06c35
1 changed files with 19 additions and 3 deletions
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22
nfq2/darkmagic.c
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@@ -685,20 +685,36 @@ BOOL SetMandatoryLabelFile(LPCSTR lpFileName, DWORD dwMandatoryLabelRID)
char buf_label[16], buf_pacl[32];
PSID label = (PSID)buf_label;
PACL pacl = (PACL)buf_pacl;
LPWSTR lpFileNameW;
size_t szFileName;
dwFileAttributes = GetFileAttributesA(lpFileName);
if (dwFileAttributes == INVALID_FILE_ATTRIBUTES)
szFileName = strlen(lpFileName);
if (!(lpFileNameW = (LPWSTR)LocalAlloc(LMEM_FIXED,(szFileName+1)*sizeof(WCHAR))))
return FALSE;
if (!MultiByteToWideChar(CP_UTF8, 0, lpFileName, -1, lpFileNameW, szFileName))
{
LocalFree(lpFileNameW);
return FALSE;
}
dwFileAttributes = GetFileAttributesW(lpFileNameW);
if (dwFileAttributes == INVALID_FILE_ATTRIBUTES)
{
LocalFree(lpFileNameW);
return FALSE;
}
InitializeSid(label, &label_authority, 1);
*GetSidSubAuthority(label, 0) = dwMandatoryLabelRID;
if (InitializeAcl(pacl, sizeof(buf_pacl), ACL_REVISION) && AddMandatoryAce(pacl, (dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ? ACL_REVISION_DS : ACL_REVISION, 0, SYSTEM_MANDATORY_LABEL_NO_WRITE_UP, label))
{
dwErr = SetNamedSecurityInfoA((LPSTR)lpFileName, SE_FILE_OBJECT, LABEL_SECURITY_INFORMATION, NULL, NULL, NULL, pacl);
dwErr = SetNamedSecurityInfoW(lpFileNameW, SE_FILE_OBJECT, LABEL_SECURITY_INFORMATION, NULL, NULL, NULL, pacl);
SetLastError(dwErr);
bRes = dwErr==ERROR_SUCCESS;
}
if (!bRes) w_win32_error = GetLastError();
LocalFree(lpFileNameW);
return bRes;
}