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# Copyright (c) 2007-2008 Roy Marples <roy@marples.name>
# Copyright (c) 2020 Gentoo Authors
# Released under the 2-clause BSD license.
# shellcheck shell=sh disable=SC1008
dhcpcd_depend()
{
after interface
program dhcpcd
provide dhcp
# We prefer dhcpcd over these
after udhcpc dhclient
}
_config_vars="$_config_vars dhcp dhcpcd"
dhcpcd_start()
{
# check for pidfile after we gathered the user's args because they can
# alter the pidfile's name (#718114)
# Save the args into a file so dhcpcd_stop can later re-use the very
# same args later.
local args= opt= pidfile= opts= argsfile=/run/netifrc_dhcpcd_${IFACE}_args
eval args=\$dhcpcd_${IFVAR}
[ -z "${args}" ] && args=${dhcpcd}
echo "${args}" > ${argsfile}
pidfile="$(dhcpcd -P ${args} ${IFACE})"
# Get our options
eval opts=\$dhcp_${IFVAR}
[ -z "${opts}" ] && opts=${dhcp}
case "$(dhcpcd --version | head -n 1)" in
"dhcpcd "[123]\.*)
eerror 'The dhcpcd version is too old. Please upgrade.'
return 1
;;
esac
# Map some generic options to dhcpcd
for opt in ${opts}; do
case "${opt}" in
nodns)
args="${args} -C resolv.conf"
;;
nontp)
args="${args} -C ntp.conf"
;;
nonis)
args="${args} -C yp.conf"
;;
nogateway) args="${args} -G";;
nosendhost) args="${args} -h ''";
esac
done
# Add our route metric if not given
case " ${args} " in
*" -m "*) ;;
*) [ "${metric:-0}" != 0 ] && args="${args} -m ${metric}";;
esac
# Bring up DHCP for this interface
ebegin "Running dhcpcd"
eval dhcpcd "${args}" "${IFACE}"
eend $? || return 1
_show_address
return 0
}
dhcpcd_stop()
{
local args= pidfile= opts= sig=SIGTERM argsfile=/run/netifrc_dhcpcd_${IFACE}_args
# check for pidfile after we gathered the user's args because they can
# alter the pidfile's name (#718114)
if [ -f "${argsfile}" ] ; then
args="$(cat ${argsfile})"
else
eval args=\$dhcpcd_${IFVAR}
[ -z "${args}" ] && args=${dhcpcd}
fi
pidfile="$(dhcpcd -P ${args} ${IFACE})"
[ ! -f "${pidfile}" ] && return 0
ebegin "Stopping dhcpcd on ${IFACE}"
eval opts=\$dhcp_${IFVAR}
[ -z "${opts}" ] && opts=${dhcp}
case " ${opts} " in
*" release "*) dhcpcd -k ${args} "${IFACE}" ;;
*) dhcpcd -x ${args} "${IFACE}" ;;
esac
[ -f "${argsfile}" ] && rm -f "${argsfile}"
eend $?
}
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