ISO/archiso/initcpio/hooks/archiso_pxe_common

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#!/bin/ash
#
# SPDX-License-Identifier: GPL-3.0-or-later
run_hook () {
# Do *not* declare 'bootif_dev' local! We need it in run_latehook().
local i net_mac bootif_mac
local DNSDOMAIN HOSTNAME IPV4DNS0 IPV4DNS1 ROOTSERVER
# These variables will be parsed from /tmp/net-*.conf generated by ipconfig
# shellcheck disable=SC2034
local DEVICE IPV4ADDR IPV4BROADCAST IPV4NETMASK IPV4GATEWAY NISDOMAIN ROOTPATH filename
if [ -n "${ip}" ]; then
if [ -n "${BOOTIF}" ]; then
bootif_mac="${BOOTIF#01-}"
# shellcheck disable=SC2169
# ash supports bash-like string replacment
bootif_mac="${bootif_mac//-/:}"
for i in /sys/class/net/*/address; do
read -r net_mac < "${i}"
if [ "${bootif_mac}" = "${net_mac}" ]; then
bootif_dev=${i#/sys/class/net/}
bootif_dev=${bootif_dev%/address}
break
fi
done
if [ "${ip}" = "dhcp" ]; then
ip=":::::${bootif_dev}:dhcp"
else
ip="${ip}::${bootif_dev}"
fi
fi
# setup network and save some values
if ! ipconfig -t 20 "ip=${ip}"; then
echo "ERROR; Failed to configure network"
echo " Falling back to interactive prompt"
echo " You can try to fix the problem manually, log out when you are finished"
launch_interactive_shell
fi
# shellcheck disable=SC1090
# ipconfig generates these files
. /tmp/net-*.conf
export pxeserver="${ROOTSERVER}"
# setup DNS resolver
if [ "${IPV4DNS0}" != "0.0.0.0" ]; then
echo "# added by archiso_pxe_common hook" > /etc/resolv.conf
echo "nameserver ${IPV4DNS0}" >> /etc/resolv.conf
fi
if [ "${IPV4DNS1}" != "0.0.0.0" ]; then
echo "nameserver ${IPV4DNS1}" >> /etc/resolv.conf
fi
if [ -n "${DNSDOMAIN}" ]; then
echo "search ${DNSDOMAIN}" >> /etc/resolv.conf
echo "domain ${DNSDOMAIN}" >> /etc/resolv.conf
fi
fi
}
run_latehook () {
if [ -n "${ip}" ]; then
[ -z "${copy_resolvconf}" ] && copy_resolvconf="y"
# shellcheck disable=SC2154
# defined via initcpio's parse_cmdline()
if [ "${copytoram}" = "y" ]; then
for curif in /sys/class/net/*; do
netdev=${curif#/sys/class/net/}
ip addr flush dev "${netdev}"
ip link set "${netdev}" down
done
elif [ "${copy_resolvconf}" != "n" ] && [ -f /etc/resolv.conf ]; then
rm -f /new_root/etc/resolv.conf
cp /etc/resolv.conf /new_root/etc/resolv.conf
fi
fi
}
# vim: set ft=sh: