bundles/wide-dhcp6c: introduce, add to home.router

bundles/wide-dhcp6c/files/dhcp6c.conf

@@ -0,0 +1,17 @@
+interface ${source} {
+    send ia-pd 0;
+};
+
+id-assoc pd 0 {
+% for iface, subnet_id in sorted(targets.items()):
+    prefix-interface ${iface} {
+        sla-len ${subnet_len};
+        sla-id ${subnet_id};
+        ifid ${subnet_id};
+    };
+% endfor
+};
+
+profile default {
+  information-only;
+};

bundles/wide-dhcp6c/files/ip-down

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+systemctl stop wide-dhcpv6-client
+
+% for interface, subnet_id in sorted(targets.items()):
+for IP in $(ip -6 addr show dev ${interface} | grep inet6 | awk '{print $2}' | grep -vF 'fe80::')
+do
+    ip -6 addr del $IP dev ${interface}
+done
+% endfor

bundles/wide-dhcp6c/files/ip-up

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+INTERFACE=$1
+
+if [[ "$INTERFACE" != "${source}" ]]
+then
+    echo "wide-dhcp6c is not configured to work on $INTERFACE"
+    exit 0
+fi
+
+systemctl start wide-dhcpv6-client

bundles/wide-dhcp6c/files/wide-dhcpv6-client.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=WIDE-DHCPv6-Client
+After=network-online.target
+
+[Service]
+PIDFile=/run/dhcp6c.pid
+ExecStart=/usr/sbin/dhcp6c -c /etc/wide-dhcpv6/dhcp6c.conf -p /run/dhcp6c.pid -f ${source}
+
+[Install]
+WantedBy=default.target