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0f74281a53
The DoH work (#1619) made changes to pkg/nonwriter.Writer that in hindsight were not backwards compatible; it added override for the LocalAddr() and RemoteAddr(). Instead of rolling back that PR, this PR reverts those changes and creates a DoHWriter for use in the https-server.go side of things. This was only caught in the integration test making this hard to catch, so we add a upstream_file_test.go that tries (doesn't work yet) to test this in the unit tests as well. Esp. helpful when 'git bisecting'. Fixes #1826
22 lines
579 B
Go
22 lines
579 B
Go
// Package nonwriter implements a dns.ResponseWriter that never writes, but captures the dns.Msg being written.
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package nonwriter
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import (
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"github.com/miekg/dns"
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)
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// Writer is a type of ResponseWriter that captures the message, but never writes to the client.
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type Writer struct {
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dns.ResponseWriter
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Msg *dns.Msg
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}
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// New makes and returns a new NonWriter.
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func New(w dns.ResponseWriter) *Writer { return &Writer{ResponseWriter: w} }
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// WriteMsg records the message, but doesn't write it itself.
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func (w *Writer) WriteMsg(res *dns.Msg) error {
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w.Msg = res
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return nil
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}
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