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ee746263fb
* lib/connections: Do not leak FDs, fix address copy (fixes #5767) * build * Update quic_listen.go * Update quic_listen.go
67 lines
1.5 KiB
Go
67 lines
1.5 KiB
Go
// Copyright (C) 2019 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at http://mozilla.org/MPL/2.0/.
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// +build go1.12
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package connections
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import (
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"net"
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"github.com/lucas-clemente/quic-go"
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)
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var (
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quicConfig = &quic.Config{
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ConnectionIDLength: 4,
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KeepAlive: true,
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}
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)
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type quicTlsConn struct {
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quic.Session
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quic.Stream
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// If we created this connection, we should be the ones closing it.
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createdConn net.PacketConn
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}
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func (q *quicTlsConn) Close() error {
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sterr := q.Stream.Close()
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seerr := q.Session.Close()
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var pcerr error
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if q.createdConn != nil {
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pcerr = q.createdConn.Close()
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}
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if sterr != nil {
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return sterr
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}
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if seerr != nil {
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return seerr
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}
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return pcerr
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}
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// Sort available packet connections by ip address, preferring unspecified local address.
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func packetConnLess(i interface{}, j interface{}) bool {
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iIsUnspecified := false
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jIsUnspecified := false
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iLocalAddr := i.(net.PacketConn).LocalAddr()
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jLocalAddr := j.(net.PacketConn).LocalAddr()
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if host, _, err := net.SplitHostPort(iLocalAddr.String()); err == nil {
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iIsUnspecified = host == "" || net.ParseIP(host).IsUnspecified()
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}
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if host, _, err := net.SplitHostPort(jLocalAddr.String()); err == nil {
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jIsUnspecified = host == "" || net.ParseIP(host).IsUnspecified()
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}
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if jIsUnspecified == iIsUnspecified {
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return len(iLocalAddr.Network()) < len(jLocalAddr.Network())
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}
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return iIsUnspecified
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}
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