mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-10-18 09:43:38 -04:00
7db39fb566
* add packetconn assembler * let kcp use environment dependency injection * Add destination override to simplified setting * add dtls dialer * add dtls listener * add dtls to default * fix bugs * add debug options to freedom outbound * fix kcp test failure for transport environment
58 lines
1.9 KiB
Go
58 lines
1.9 KiB
Go
package dtls
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import (
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"context"
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"github.com/pion/dtls/v2"
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"github.com/v2fly/v2ray-core/v5/common"
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"github.com/v2fly/v2ray-core/v5/common/environment"
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"github.com/v2fly/v2ray-core/v5/common/environment/envctx"
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"github.com/v2fly/v2ray-core/v5/common/net"
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"github.com/v2fly/v2ray-core/v5/common/session"
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"github.com/v2fly/v2ray-core/v5/transport/internet"
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)
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func dialDTLS(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (net.Conn, error) {
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transportConfiguration := streamSettings.ProtocolSettings.(*Config)
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newError("dialing DTLS to ", dest).WriteToLog()
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transportEnvironment := envctx.EnvironmentFromContext(ctx).(environment.TransportEnvironment)
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dialer := transportEnvironment.Dialer()
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rawConn, err := dialer.Dial(ctx, nil, dest, streamSettings.SocketSettings)
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if err != nil {
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return nil, newError("failed to dial to dest: ", err).AtWarning().Base(err)
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}
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config := &dtls.Config{}
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config.MTU = int(transportConfiguration.Mtu)
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config.ReplayProtectionWindow = int(transportConfiguration.ReplayProtectionWindow)
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switch transportConfiguration.Mode {
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case DTLSMode_PSK:
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config.PSK = func(bytes []byte) ([]byte, error) {
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return transportConfiguration.Psk, nil
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}
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config.PSKIdentityHint = []byte("")
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config.CipherSuites = []dtls.CipherSuiteID{dtls.TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256}
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default:
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return nil, newError("unknow dtls mode")
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}
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return dtls.Client(rawConn, config)
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}
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func dial(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (internet.Connection, error) {
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newError("creating connection to ", dest).WriteToLog(session.ExportIDToError(ctx))
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conn, err := dialDTLS(ctx, dest, streamSettings)
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if err != nil {
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return nil, newError("failed to dial request to ", dest).Base(err)
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}
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return internet.Connection(conn), nil
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}
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func init() {
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common.Must(internet.RegisterTransportDialer(protocolName, dial))
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}
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