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ipn/store: automatically migrate between plaintext and encrypted state (#16318)

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Add a new `--encrypt-state` flag to `cmd/tailscaled`. Based on that
flag, migrate the existing state file to/from encrypted format if
needed.

Updates #15830

Signed-off-by: Andrew Lytvynov <awly@tailscale.com>
This commit is contained in:
Andrew Lytvynov
2025-06-26 17:09:13 -07:00
committed by GitHub
parent d2c1ed22c3
commit 6feb3c35cb
24 changed files with 546 additions and 26 deletions
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6
atomicfile/atomicfile.go
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@@ -48,5 +48,9 @@ func WriteFile(filename string, data []byte, perm os.FileMode) (err error) {
if err := f.Close(); err != nil {
return err
}
return rename(tmpName, filename)
return Rename(tmpName, filename)
}
// Rename srcFile to dstFile, similar to [os.Rename] but preserving file
// attributes and ACLs on Windows.
func Rename(srcFile, dstFile string) error { return rename(srcFile, dstFile) }