63 lines
1.9 KiB
Go
63 lines
1.9 KiB
Go
package quicdialer
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import (
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"context"
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"crypto/tls"
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"time"
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"github.com/lucas-clemente/quic-go"
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"github.com/ooni/probe-cli/v3/internal/engine/netx/tlsx"
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"github.com/ooni/probe-cli/v3/internal/engine/netx/trace"
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)
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// HandshakeSaver saves events occurring during the handshake
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type HandshakeSaver struct {
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Saver *trace.Saver
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Dialer ContextDialer
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}
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// DialContext implements ContextDialer.DialContext
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func (h HandshakeSaver) DialContext(ctx context.Context, network string,
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host string, tlsCfg *tls.Config, cfg *quic.Config) (quic.EarlySession, error) {
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start := time.Now()
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// TODO(bassosimone): in the future we probably want to also save
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// information about what versions we're willing to accept.
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h.Saver.Write(trace.Event{
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Address: host,
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Name: "quic_handshake_start",
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NoTLSVerify: tlsCfg.InsecureSkipVerify,
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Proto: network,
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TLSNextProtos: tlsCfg.NextProtos,
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TLSServerName: tlsCfg.ServerName,
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Time: start,
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})
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sess, err := h.Dialer.DialContext(ctx, network, host, tlsCfg, cfg)
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stop := time.Now()
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if err != nil {
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h.Saver.Write(trace.Event{
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Duration: stop.Sub(start),
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Err: err,
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Name: "quic_handshake_done",
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NoTLSVerify: tlsCfg.InsecureSkipVerify,
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TLSNextProtos: tlsCfg.NextProtos,
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TLSServerName: tlsCfg.ServerName,
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Time: stop,
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})
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return nil, err
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}
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state := ConnectionState(sess)
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h.Saver.Write(trace.Event{
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Duration: stop.Sub(start),
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Name: "quic_handshake_done",
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NoTLSVerify: tlsCfg.InsecureSkipVerify,
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TLSCipherSuite: tlsx.CipherSuiteString(state.CipherSuite),
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TLSNegotiatedProto: state.NegotiatedProtocol,
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TLSNextProtos: tlsCfg.NextProtos,
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TLSPeerCerts: trace.PeerCerts(state, err),
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TLSServerName: tlsCfg.ServerName,
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TLSVersion: tlsx.VersionString(state.Version),
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Time: stop,
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})
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return sess, nil
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}
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