solodecode
2026-10-28 11:02:55 +00:00
committed by GitHub
parent 3071fbfa25
commit 229799a7a3
2 changed files with 92 additions and 5 deletions
+10 -5
View File
@@ -229,14 +229,19 @@ func (h *Handler) blockDelay(rule *FinalRule) time.Duration {
func (h *Handler) blackhole(ctx context.Context, input buf.Reader, output buf.Writer, rule *FinalRule, dest *net.Destination) error {
delay := h.blockDelay(rule)
errors.LogInfo(ctx, "blocked target: ", *dest, ", blackholing connection for ", delay)
timer := time.AfterFunc(delay, func() {
defer common.Close(output)
done := make(chan struct{})
go func() { // a DispatchLink inbound's reader ignores Interrupt, so don't wait for this copy
_ = buf.Copy(input, buf.Discard)
close(done)
}()
select {
case <-done:
case <-time.After(delay):
common.Interrupt(input)
common.Interrupt(output)
errors.LogInfo(ctx, "closed blackholed connection to blocked target: ", *dest)
})
defer timer.Stop()
defer common.Close(output)
_ = buf.Copy(input, buf.Discard)
}
return nil
}