openrc/net/dhclient.sh

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# Copyright 2004-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
dhclient_depend() {
after interface
program start /sbin/dhclient
provide dhcp
}
_config_vars="$_config_vars dhcp dhcpcd"
dhclient_start() {
local args= opt= opts= pidfile="/var/run/dhclient-${IFACE}.pid"
local sendhost=true dconf=
# Get our options
eval opts=\$dhcp_${IFVAR}
[ -z "${opts}" ] && opts=${dhcp}
# Map some generic options to dhcpcd
for opt in ${opts} ; do
case "${opt}" in
nodns) args="${args} -e PEER_DNS=no" ;;
nontp) args="${args} -e PEER_NTP=no" ;;
nogateway) args="${args} -e PEER_ROUTERS=no" ;;
nosendhost) sendhost=false ;;
esac
done
# Add our route metric
[ "${metric:-0}" != "0" ] && args="${args} -e IF_METRIC=${metric}"
if ${sendhost} ; then
local hname="$(hostname)"
if [ "${hname}" != "(none)" -a "${hname}" != "localhost" ]; then
dhconf="${dhconf} interface \"${iface}\" {"
dhconf="${dhconf} send host-name \"${hname}\";"
dhconf="${dhconf}}"
fi
fi
# Bring up DHCP for this interface
ebegin "Running dhclient"
echo "${dhconf}" | start-stop-daemon --start --exec /sbin/dhclient \
--pidfile "${pidfile}" -- ${opts} -q -1 -pf "${pidfile}" "${IFACE}"
eend $? || return 1
_show_address
return 0
}
dhclient_stop() {
local pidfile="/var/run/dhclient-${IFACE}.pid" opts=
[ ! -f "${pidfile}" ] && return 0
# Get our options
if [ -x /sbin/dhclient ] ; then
eval opts=\$dhcp_${IFVAR}
[ -z "${opts}" ] && opts=${dhcp}
fi
ebegin "Stopping dhclient on ${IFACE}"
case " ${opts} " in
*" release "*) dhclient -q -r -pf "${pidfile}" "${IFACE}" ;;
*)
start-stop-daemon --stop --quiet \
--exec /sbin/dhclient --pidfile "${pidfile}"
;;
esac
eend $?
}
# vim: set ts=4 :