mirror of
https://github.com/unifi-utilities/unifios-utilities.git
synced 2024-08-30 18:32:21 +00:00
78 lines
1.8 KiB
Bash
Executable File
78 lines
1.8 KiB
Bash
Executable File
#! /bin/sh
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set -eo pipefail
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wan_iface="eth8" # "eth9" for UDM Pro WAN2
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vlans="br0" # "br0 br100 br101..."
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domain="example.invalid" # DNS domain
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dns6="[2001:4860:4860::8888],[2001:4860:4860::8844]" # Google
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CONTAINER=att-ipv6
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confdir=/mnt/data/att-ipv6
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# main
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mkdir -p "${confdir}/dhcpcd"
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test -f "${confdir}/dhcpcd.conf" || {
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: > "${confdir}/dhcpcd.conf.tmp"
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cat >> "${confdir}/dhcpcd.conf.tmp" <<EOF
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allowinterfaces ${wan_iface}
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ipv6only
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nooption domain_name_servers
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nooption domain_name
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duid
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persistent
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option rapid_commit
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option interface_mtu
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require dhcp_server_identifier
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slaac private
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noipv6rs
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interface ${wan_iface}
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ipv6rs
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ia_na 0
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EOF
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ix=0
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for vv in $vlans; do
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echo " ia_pd ${ix} ${vv}/0"
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ix=$((ix+1))
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done >> "${confdir}/dhcpcd.conf.tmp"
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mv "${confdir}/dhcpcd.conf.tmp" "${confdir}/dhcpcd.conf"
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}
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test -f "${confdir}/att-ipv6-dnsmasq.conf" || {
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: > "${confdir}/att-ipv6-dnsmasq.conf.tmp"
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cat >> "${confdir}/att-ipv6-dnsmasq.conf.tmp" <<EOF
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#
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# via att-ipv6
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#
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enable-ra
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no-dhcp-interface=lo
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no-ping
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EOF
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for vv in $vlans; do
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cat <<EOF
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interface=${vv}
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dhcp-range=set:att-ipv6-${vv},::2,::7d1,constructor:${vv},slaac,ra-names,64,86400
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dhcp-option=tag:att-ipv6-${vv},option6:dns-server,${dns6}
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domain=${domain}|${vv}
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ra-param=${vv},high,0
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EOF
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done >> "${confdir}/att-ipv6-dnsmasq.conf.tmp"
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mv "${confdir}/att-ipv6-dnsmasq.conf.tmp" "${confdir}/att-ipv6-dnsmasq.conf"
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}
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if podman container exists "$CONTAINER"; then
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podman start "$CONTAINER"
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else
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podman run -d --restart=always --name "$CONTAINER" -v "${confdir}/dhcpcd.conf:/etc/dhcpcd.conf" -v "${confdir}/dhcpcd:/var/lib/dhcpcd" --net=host --privileged ghcr.io/michaelw/dhcpcd
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fi
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# Fix DHCP, assumes DHCPv6 is turned off in UI
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cp "${confdir}/att-ipv6-dnsmasq.conf" /run/dnsmasq.conf.d/
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start-stop-daemon -K -q -x /usr/sbin/dnsmasq
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