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[management, client] Add IPv6 overlay support (#5631)

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This commit is contained in:
Viktor Liu
2026-05-07 18:33:37 +09:00
committed by GitHub
parent f23aaa9ae7
commit 205ebcfda2
229 changed files with 10155 additions and 2816 deletions
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25
client/iface/wgproxy/bind/proxy.go
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@@ -6,7 +6,7 @@ import (
"fmt"
"net"
"net/netip"
"strings"
"sync"
log "github.com/sirupsen/logrus"
@@ -196,18 +196,25 @@ func (p *ProxyBind) proxyToLocal(ctx context.Context) {
}
}
// fakeAddress returns a fake address that is used to as an identifier for the peer.
// The fake address is in the format of 127.1.x.x where x.x is the last two octets of the peer address.
// fakeAddress returns a fake address that is used as an identifier for the peer.
// The fake address is in the format of 127.1.x.x where x.x is derived from the
// last two bytes of the peer address (works for both IPv4 and IPv6).
func fakeAddress(peerAddress *net.UDPAddr) (*netip.AddrPort, error) {
octets := strings.Split(peerAddress.IP.String(), ".")
if len(octets) != 4 {
return nil, fmt.Errorf("invalid IP format")
if peerAddress == nil {
return nil, fmt.Errorf("nil peer address")
}
if peerAddress.Port < 0 || peerAddress.Port > 65535 {
return nil, fmt.Errorf("invalid UDP port: %d", peerAddress.Port)
}
fakeIP, err := netip.ParseAddr(fmt.Sprintf("127.1.%s.%s", octets[2], octets[3]))
if err != nil {
return nil, fmt.Errorf("parse new IP: %w", err)
addr, ok := netip.AddrFromSlice(peerAddress.IP)
if !ok {
return nil, fmt.Errorf("invalid IP format")
}
addr = addr.Unmap()
raw := addr.As16()
fakeIP := netip.AddrFrom4([4]byte{127, 1, raw[14], raw[15]})
netipAddr := netip.AddrPortFrom(fakeIP, uint16(peerAddress.Port))
return &netipAddr, nil