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[client] Add IPv6 support to UDP WireGuard proxy (#5169)

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* Add IPv6 support to UDP WireGuard proxy

Add IPv6 packet header support in UDP raw socket proxy
to handle both IPv4 and IPv6 source addresses.
Refactor error handling in proxy bind implementations
to validate endpoints before acquiring locks.
This commit is contained in:
Zoltan Papp
2026-01-26 14:03:32 +01:00
committed by GitHub
parent 074df56c3d
commit 05af39a69b
7 changed files with 565 additions and 67 deletions
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10
client/iface/wgproxy/ebpf/wrapper.go
View File

@@ -41,7 +41,7 @@ func NewProxyWrapper(proxy *WGEBPFProxy) *ProxyWrapper {
closeListener: listener.NewCloseListener(),
}
}
func (p *ProxyWrapper) AddTurnConn(ctx context.Context, endpoint *net.UDPAddr, remoteConn net.Conn) error {
func (p *ProxyWrapper) AddTurnConn(ctx context.Context, _ *net.UDPAddr, remoteConn net.Conn) error {
addr, err := p.wgeBPFProxy.AddTurnConn(remoteConn)
if err != nil {
return fmt.Errorf("add turn conn: %w", err)
@@ -91,12 +91,14 @@ func (p *ProxyWrapper) Pause() {
}
func (p *ProxyWrapper) RedirectAs(endpoint *net.UDPAddr) {
if endpoint == nil || endpoint.IP == nil {
log.Errorf("failed to start package redirection, endpoint is nil")
return
}
p.pausedCond.L.Lock()
p.paused = false
if endpoint != nil && endpoint.IP != nil {
p.wgEndpointCurrentUsedAddr = endpoint
}
p.wgEndpointCurrentUsedAddr = endpoint
p.pausedCond.Signal()
p.pausedCond.L.Unlock()