sing-box/common/tls/ech_quic.go

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//go:build with_quic && with_ech
package tls
import (
"context"
"net"
"net/http"
"github.com/sagernet/cloudflare-tls"
"github.com/sagernet/quic-go/ech"
"github.com/sagernet/quic-go/http3_ech"
"github.com/sagernet/sing-quic"
M "github.com/sagernet/sing/common/metadata"
)
var (
_ qtls.Config = (*echClientConfig)(nil)
_ qtls.ServerConfig = (*echServerConfig)(nil)
)
func (c *echClientConfig) Dial(ctx context.Context, conn net.PacketConn, addr net.Addr, config *quic.Config) (quic.Connection, error) {
return quic.Dial(ctx, conn, addr, c.config, config)
}
func (c *echClientConfig) DialEarly(ctx context.Context, conn net.PacketConn, addr net.Addr, config *quic.Config) (quic.EarlyConnection, error) {
return quic.DialEarly(ctx, conn, addr, c.config, config)
}
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func (c *echClientConfig) CreateTransport(conn net.PacketConn, quicConnPtr *quic.EarlyConnection, serverAddr M.Socksaddr, quicConfig *quic.Config) http.RoundTripper {
return &http3.RoundTripper{
TLSClientConfig: c.config,
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QUICConfig: quicConfig,
Dial: func(ctx context.Context, addr string, tlsCfg *tls.Config, cfg *quic.Config) (quic.EarlyConnection, error) {
quicConn, err := quic.DialEarly(ctx, conn, serverAddr.UDPAddr(), tlsCfg, cfg)
if err != nil {
return nil, err
}
*quicConnPtr = quicConn
return quicConn, nil
},
}
}
func (c *echServerConfig) Listen(conn net.PacketConn, config *quic.Config) (qtls.Listener, error) {
return quic.Listen(conn, c.config, config)
}
func (c *echServerConfig) ListenEarly(conn net.PacketConn, config *quic.Config) (qtls.EarlyListener, error) {
return quic.ListenEarly(conn, c.config, config)
}
func (c *echServerConfig) ConfigureHTTP3() {
http3.ConfigureTLSConfig(c.config)
}