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Patch dns vendor code for picking up a TCP DOS attack bugfix (#3861)

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This commit is contained in:
Preetha 2018-02-05 17:27:45 -06:00 committed by GitHub
parent 3bc98a39e7
commit b1c487f286
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 13 additions and 10 deletions
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23
vendor/github.com/miekg/dns/server.go generated vendored
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@ -477,13 +477,6 @@ func (srv *Server) serveTCP(l net.Listener) error {
// deadline is not used here
for {
rw, err := l.Accept()
if err != nil {
if neterr, ok := err.(net.Error); ok && neterr.Temporary() {
continue
}
return err
}
m, err := reader.ReadTCP(rw, rtimeout)
srv.lock.RLock()
if !srv.started {
srv.lock.RUnlock()
@ -491,10 +484,20 @@ func (srv *Server) serveTCP(l net.Listener) error {
}
srv.lock.RUnlock()
if err != nil {
continue
if neterr, ok := err.(net.Error); ok && neterr.Temporary() {
continue
}
return err
}
srv.inFlight.Add(1)
go srv.serve(rw.RemoteAddr(), handler, m, nil, nil, rw)
go func() {
m, err := reader.ReadTCP(rw, rtimeout)
if err != nil {
rw.Close()
return
}
srv.serve(rw.RemoteAddr(), handler, m, nil, nil, rw)
}()
}
}