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D.27. /lib/services/ipv4-static-route
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<h4>
Линукс с нуля - Версия 12.2
</h4>
<h3>
Приложение D. Скрипты загрузки и настройки системы-20240825
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<h1 class="sect1">
<a id="ipv4route" name="ipv4route"></a>D.27.
/lib/services/ipv4-static-route
</h1>
<div class="wrap" lang="ru" xml:lang="ru">
<pre class="screen">#!/bin/sh
########################################################################
# Begin /lib/services/ipv4-static-route
#
# Description : IPV4 Static Route Script
#
# Authors : Kevin P. Fleming - kpfleming@linuxfromscratch.org
# DJ Lucas - dj@linuxfromscratch.org
# Update : Bruce Dubbs - bdubbs@linuxfromscratch.org
#
# Version : LFS 7.0
#
########################################################################
. /lib/lsb/init-functions
. ${IFCONFIG}
case "${TYPE}" in
("" | "network")
need_ip=1
need_gateway=1
;;
("default")
need_gateway=1
args="${args} default"
desc="default"
;;
("host")
need_ip=1
;;
("unreachable")
need_ip=1
args="${args} unreachable"
desc="unreachable "
;;
(*)
log_failure_msg "Unknown route type (${TYPE}) in ${IFCONFIG}, cannot continue."
exit 1
;;
esac
if [ -n "${GATEWAY}" ]; then
MSG="The GATEWAY variable cannot be set in ${IFCONFIG} for static routes.\n"
log_failure_msg "$MSG Use STATIC_GATEWAY only, cannot continue"
exit 1
fi
if [ -n "${need_ip}" ]; then
if [ -z "${IP}" ]; then
log_failure_msg "IP variable missing from ${IFCONFIG}, cannot continue."
exit 1
fi
if [ -z "${PREFIX}" ]; then
log_failure_msg "PREFIX variable missing from ${IFCONFIG}, cannot continue."
exit 1
fi
args="${args} ${IP}/${PREFIX}"
desc="${desc}${IP}/${PREFIX}"
fi
if [ -n "${need_gateway}" ]; then
if [ -z "${STATIC_GATEWAY}" ]; then
log_failure_msg "STATIC_GATEWAY variable missing from ${IFCONFIG}, cannot continue."
exit 1
fi
args="${args} via ${STATIC_GATEWAY}"
fi
if [ -n "${SOURCE}" ]; then
args="${args} src ${SOURCE}"
fi
case "${2}" in
up)
log_info_msg "Adding '${desc}' route to the ${1} interface..."
ip route add ${args} dev ${1}
evaluate_retval
;;
down)
log_info_msg "Removing '${desc}' route from the ${1} interface..."
ip route del ${args} dev ${1}
evaluate_retval
;;
*)
echo "Usage: ${0} [interface] {up|down}"
exit 1
;;
esac
# End /lib/services/ipv4-static-route
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