Much of the core bits are initially ported.

This should be mostly independent of my configs, now.
2026-05-09 03:26:53 -04:00
parent 6b02d9d58e
commit 4d30691ee6
16 changed files with 1278 additions and 2 deletions
@@ -0,0 +1,103 @@
+#!/bin/sh
+#
+# $FreeBSD$
+#
+# PROVIDE: localnet
+# REQUIRE: dhcp6c
+# BEFORE: named
+# KEYWORD: shutdown
+#
+
+# The purpose of this script is to generate various ISP prefix dependent files.
+#
+# Specifically, the DNS (BIND) acls file for handling various views, a local ISP
+# range address for the router itself (on a dedicated loopback device), and
+# attach any static addresses for this machine to another loopback device.
+
+. ${RC_ROUTER_HARNESS}/etc/rc.subr
+
+
+name='localnet'
+
+extra_commands="rebuild_zoneinfo"
+start_cmd='localnet_start'
+stop_cmd='localnet_stop'
+rebuild_zoneinfo_cmd="localnet_build_zoneinfo"
+rcvar='localnet_enable'
+
+load_rc_config 'localnet'
+
+
+localnet_build_zoneinfo()
+{
+    compute_addrs
+    localnet_build_zoneinfo_impl
+}
+    
+
+localnet_build_zoneinfo_impl()
+{
+    #build_zoneinfo ${isp_prefix} 31 ${router_conf_dir}/namedb/local-machines.defs 
+    build_zoneinfo ${isp_prefix} 31 ${rc_router_conf_dir}/namedb/local-machines.defs > ${rc_router_gen_dir}/zone.hosts.nerdland.org
+}
+
+localnet_build_acls()
+{
+    gen_acls_dir=${rc_router_gen_dir}/namedb
+    mkdir -p ${gen_acls_dir}
+    cat ${rc_router_dir}/templates/named.acls.conf \
+        | sed \
+                -e "s/@ISP_PREFIX@/${isp_prefix}/g" \
+                -e "s/@ULA_PREFIX@/${secret_ip6_net}/g" \
+        > ${gen_acls_dir}/acls.conf
+}
+
+compute_addrs() {
+    
+    loop=0
+    while [ -z "${v6addr}" -a ${loop} -lt 5 ]
+    do
+        [ ${loop} -ne 0 ] && sleep 5
+		# todo: Adjust our ipv6 hint...  get from a var?
+		v6addr=$(ifconfig ${localnet_first_nic} | grep "inet6 [23]...:" | head -1 | awk '{print $2}')
+		echo "V6 addr is: ${v6addr}"
+        loop=$(( ${loop} + 1 ))
+    done
+    
+    echo "V6 addr is: ${v6addr}"
+    three_quads=$(echo ${v6addr} | awk -F ':' '{print $1":"$2":"$3}')
+    echo "First three quads are: ${three_quads}"
+    last_quad=$(echo ${v6addr} | awk -F ':' '{print $4}')
+    echo "Last quad is: ${last_quad}"
+    last_prefix=$(echo ${last_quad} | rev | awk '{print $1"0000"}' | cut -c 3,4 | rev | sed -e 's/^0//')
+    echo "Last prefix is: ${last_prefix}"
+
+    isp_prefix="${three_quads}:${last_prefix}"
+    base_addr="    inet6 ${isp_prefix}ff::1"
+}
+
+
+localnet_start() {
+    cp ${rc_router_conf_dir}/resolv.conf.master ${rc_router_conf_dir}/resolv.conf
+    compute_addrs
+    ifconfig lo1 create ${base_addr} prefer_source
+
+    # DO NOT USE prefer_source for this address...
+    # It will cause confusion for the wireguard tunnels underneath...
+    # It also could cause DNS recursion to fail -- routing as the nested
+    # connections...
+
+    localnet_build_acls
+    localnet_build_zoneinfo_impl
+}
+
+localnet_stop() {
+    compute_addrs
+    ifconfig lo0 ${base_addr} delete
+
+    ifconfig lo1 destroy
+}
+
+run_rc_command "$1"
+
+# vim: ft=bash