tailscale/util/quarantine/quarantine_windows.go

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// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
package quarantine
import (
"os"
"strings"
)
func setQuarantineAttr(f *os.File) error {
// Documentation on this can be found here:
// https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-fscc/6e3f7352-d11c-4d76-8c39-2516a9df36e8
//
// Additional information can be found at:
// https://www.digital-detective.net/forensic-analysis-of-zone-identifier-stream/
// https://bugzilla.mozilla.org/show_bug.cgi?id=1433179
content := strings.Join([]string{
"[ZoneTransfer]",
// "URLZONE_INTERNET"
// https://docs.microsoft.com/en-us/previous-versions/windows/internet-explorer/ie-developer/platform-apis/ms537175(v=vs.85)
"ZoneId=3",
// TODO(andrew): should/could we add ReferrerUrl or HostUrl?
}, "\r\n")
return os.WriteFile(f.Name()+":Zone.Identifier", []byte(content), 0)
}