From 046cb992f265cbb2ae4a26ca5aa028dcc1a3cfaf Mon Sep 17 00:00:00 2001
From: Mikael Magnusson <mikma@users.sourceforge.net>
Date: Sat, 4 Mar 2023 00:35:07 +0100
Subject: WIP: dhcp temporary NA using DUIDLLT

---
 tunnel/tools/libwg-go/dhcp.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'tunnel')

diff --git a/tunnel/tools/libwg-go/dhcp.go b/tunnel/tools/libwg-go/dhcp.go
index f6f25739..b7919151 100644
--- a/tunnel/tools/libwg-go/dhcp.go
+++ b/tunnel/tools/libwg-go/dhcp.go
@@ -4,6 +4,7 @@ import (
         "context"
         "net"
         "net/netip"
+        "time"
 
         "github.com/insomniacslk/dhcp/dhcpv4"
         "github.com/insomniacslk/dhcp/dhcpv6"
@@ -36,8 +37,9 @@ func newClientIDOpt(duid dhcpv6.DUID) dhcpv4.Option {
 }
 
 func getDuid(hwAddr net.HardwareAddr) dhcpv6.DUID {
-	duid := &dhcpv6.DUIDLL{
+	duid := &dhcpv6.DUIDLLT{
 		HWType:        iana.HWTypeEthernet,
+		Time:          uint32(time.Now().Unix()),
 		LinkLayerAddr: hwAddr,
 	}
 
@@ -91,6 +93,7 @@ func RunDhcp(ctx context.Context, laddr, raddr netip.Addr) ([]*gen.Lease, error)
         d.linkAddr = net.ParseIP("fe80::101")
 	d.peerAddr = net.ParseIP("::1")
 
+        // TODO generate hostname and hwAddr from public key
 	hostName := "foobar"
 	d.fqdn = hostName + ".m7n.se"
         d.hwAddr = []byte{41, 42, 43, 44, 45, 46}
-- 
cgit v1.2.3