125 lines
3.5 KiB
Bash
125 lines
3.5 KiB
Bash
# Copyright 2007 Roy Marples
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# All rights reserved
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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udhcpc_depend() {
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program start /sbin/udhcpc
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after interface
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provide dhcp
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}
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_config_vars="$_config_vars dhcp udhcpc"
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udhcpc_start() {
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local args= opt= opts= pidfile="/var/run/udhcpc-${IFACE}.pid"
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local sendhost=true cachefile="/var/cache/udhcpc-${IFACE}.lease"
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eval args=\$udhcpc_${IFVAR}
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# Get our options
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eval opts=\$dhcp_${IFVAR}
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[ -z "${opts}" ] && opts=${dhcp}
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# Map some generic options to dhcpcd
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for opt in ${opts}; do
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case "${opt}" in
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nodns) args="${args} --env PEER_DNS=no";;
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nontp) args="${args} --env PEER_NTP=no";;
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nogateway) args="${args} --env PEER_ROUTERS=no";;
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nosendhost) sendhost=false;
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esac
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done
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[ "${metric:-0}" != "0" ] && args="${args} --env IF_METRIC=${metric}"
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ebegin "Running udhcpc"
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# Try and load the cache if it exists
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if [ -f "${cachefile}" ]; then
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case "$ {args} " in
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*" --request="*|*" -r "*);;
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*)
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local x=$(cat "${cachefile}")
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# Check for a valid ip
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case "${x}" in
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*.*.*.*) args="${args} --request=${x}";;
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esac
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;;
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esac
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fi
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case " ${args} " in
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*" --quit "*|*" -q "*) x="/sbin/udhcpc";;
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*) x="start-stop-daemon --start --exec /sbin/udhcpc \
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--pidfile \"${pidfile}\" --";;
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esac
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case " ${args} " in
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*" --hosname="*|*" -h "*|*" -H "*);;
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*)
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if ${sendhost}; then
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local hname="$(hostname)"
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if [ "${hname}" != "(none)" ] && [ "${hname}" != "localhost" ]; then
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args="${args} --hostname='${hname}'"
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fi
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fi
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;;
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esac
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local script="${RC_LIBDIR}"/sh/udhcpc.sh
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[ -x "${script}" ] || script=/lib/rcscripts/sh/udhcpc.sh
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eval "${x}" "${args}" --interface="${IFACE}" --now \
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--script="${script}" \
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--pidfile="${pidfile}" >/dev/null
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eend $? || return 1
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_show_address
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return 0
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}
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udhcpc_stop() {
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local pidfile="/var/run/udhcpc-${IFACE}.pid" opts=
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[ ! -f "${pidfile}" ] && return 0
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# Get our options
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eval opts=\$dhcp_${IFVAR}
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[ -z "${opts}" ] && opts=${dhcp}
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ebegin "Stopping udhcpc on ${IFACE}"
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case " ${opts} " in
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*" release "*)
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start-stop-daemon --stop --quiet --oknodo --signal USR2 \
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--exec /sbin/udhcpc --pidfile "${pidfile}"
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if [ -f /var/cache/udhcpc-"${IFACE}".lease ]; then
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rm -f /var/cache/udhcpc-"${IFACE}".lease
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fi
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;;
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esac
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start-stop-daemon --stop --exec /sbin/udhcpc --pidfile "${pidfile}"
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eend $?
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}
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# vim: set ts=4 :
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