- D.26. /lib/services/ipv4-static -

#!/bin/sh
-########################################################################
-# Begin /lib/services/ipv4-static
-#
-# Description : IPV4 Static Boot Script
-#
-# Authors     : Nathan Coulson - nathan@linuxfromscratch.org
-#               Kevin P. Fleming - kpfleming@linuxfromscratch.org
-# Update      : Bruce Dubbs - bdubbs@linuxfromscratch.org
-#
-# Version     : LFS 7.0
-#
-########################################################################
-
-. /lib/lsb/init-functions
-. ${IFCONFIG}
-
-if [ -z "${IP}" ]; then
-   log_failure_msg "\nIP variable missing from ${IFCONFIG}, cannot continue."
-   exit 1
-fi
-
-if [ -z "${PREFIX}" -a -z "${PEER}" ]; then
-   log_warning_msg "\nPREFIX variable missing from ${IFCONFIG}, assuming 24."
-   PREFIX=24
-   args="${args} ${IP}/${PREFIX}"
-
-elif [ -n "${PREFIX}" -a -n "${PEER}" ]; then
-   log_failure_msg "\nPREFIX and PEER both specified in ${IFCONFIG}, cannot continue."
-   exit 1
-
-elif [ -n "${PREFIX}" ]; then
-   args="${args} ${IP}/${PREFIX}"
-
-elif [ -n "${PEER}" ]; then
-   args="${args} ${IP} peer ${PEER}"
-fi
-
-if [ -n "${LABEL}" ]; then
-   args="${args} label ${LABEL}"
-fi
-
-if [ -n "${BROADCAST}" ]; then
-   args="${args} broadcast ${BROADCAST}"
-fi
-
-case "${2}" in
-   up)
-      if [ "$(ip addr show ${1} 2>/dev/null | grep ${IP}/)" = "" ]; then
-         log_info_msg "Adding IPv4 address ${IP} to the ${1} interface..."
-         ip addr add ${args} dev ${1}
-         evaluate_retval
-      else
-         log_warning_msg "Cannot add IPv4 address ${IP} to ${1}.  Already present."
-      fi
-   ;;
-
-   down)
-      if [ "$(ip addr show ${1} 2>/dev/null | grep ${IP}/)" != "" ]; then
-         log_info_msg "Removing IPv4 address ${IP} from the ${1} interface..."
-         ip addr del ${args} dev ${1}
-         evaluate_retval
-      fi
-
-      if [ -n "${GATEWAY}" ]; then
-         # Only remove the gateway if there are no remaining ipv4 addresses
-         if [ "$(ip addr show ${1} 2>/dev/null | grep 'inet ')" != "" ]; then
-            log_info_msg "Removing default gateway..."
-            ip route del default
-            evaluate_retval
-         fi
-      fi
-   ;;
-
-   *)
-      echo "Usage: ${0} [interface] {up|down}"
-      exit 1
-   ;;
-esac
-
-# End /lib/services/ipv4-static
-
- Линукс с нуля - Версия 12.1 -

- Приложение D. Скрипты загрузки и настройки системы-20230728 -

- D.26. - /lib/services/ipv4-static -
