mirror of
https://github.com/netbirdio/netbird.git
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4e5ee70b3d
Added additional common blacklisted interfaces Updated the signal protocol to pass the peer port and netbird version Co-authored-by: braginini <bangvalo@gmail.com>
56 lines
1.6 KiB
Go
56 lines
1.6 KiB
Go
package proxy
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import (
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log "github.com/sirupsen/logrus"
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"net"
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)
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// NoProxy is used when there is no need for a proxy between ICE and Wireguard.
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// This is possible in either of these cases:
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// - peers are in the same local network
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// - one of the peers has a public static IP (host)
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// NoProxy will just update remote peer with a remote host and fixed Wireguard port (r.g. 51820).
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// In order NoProxy to work, Wireguard port has to be fixed for the time being.
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type NoProxy struct {
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config Config
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// RemoteWgListenPort is a WireGuard port of a remote peer.
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// It is used instead of the hardcoded 51820 port.
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RemoteWgListenPort int
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}
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// NewNoProxy creates a new NoProxy with a provided config and remote peer's WireGuard listen port
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func NewNoProxy(config Config, remoteWgPort int) *NoProxy {
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return &NoProxy{config: config, RemoteWgListenPort: remoteWgPort}
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}
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func (p *NoProxy) Close() error {
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err := p.config.WgInterface.RemovePeer(p.config.RemoteKey)
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if err != nil {
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return err
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}
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return nil
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}
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// Start just updates Wireguard peer with the remote IP and default Wireguard port
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func (p *NoProxy) Start(remoteConn net.Conn) error {
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log.Debugf("using NoProxy while connecting to peer %s", p.config.RemoteKey)
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addr, err := net.ResolveUDPAddr("udp", remoteConn.RemoteAddr().String())
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if err != nil {
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return err
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}
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addr.Port = p.RemoteWgListenPort
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err = p.config.WgInterface.UpdatePeer(p.config.RemoteKey, p.config.AllowedIps, DefaultWgKeepAlive,
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addr, p.config.PreSharedKey)
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if err != nil {
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return err
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}
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return nil
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}
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func (p *NoProxy) Type() Type {
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return TypeNoProxy
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}
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