#!/bin/sh # Copyright (C) 2006-2007 Dmitry V. Levin <ldv@altlinux.org> # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. # # # Deletes IP address(es) from a container running a etcnet-based system. VENET_DEV=venet0 IFACE_DIR=/etc/net/ifaces # Function to quote argument for sed regexp. quote_sed_regexp() { local out="$*" if [ -z "${out##*[\[\].^\$\\/]*}" ]; then out="$(printf %s "$out" |sed 's/[].^$[\/]/\\&/g')" || return 1 fi printf %s "$out" } destroy_venet_config() { local dir="$1"; shift rm -rf "$dir" || error "Cannot destroy $dir" ${VZ_FS_NO_DISK_SPACE} } # Function to delete IP addresses for etcnet-based systems. del_ip() { set -- ${IP_ADDR} if [ "$IPDELALL" = 'yes' ]; then ifdown "$VENET_DEV" destroy_venet_config "$VENET_DEV" if [ -d /etc/hooks/del_ip.d ] && type run-parts >/dev/null 2>&1; then run-parts /etc/hooks/del_ip.d all fi return 0 fi local ipm quoted for ipm; do ip_conv $ipm quoted="$(quote_sed_regexp "$_IP/$_MASK")" if [ -n "$_IPV6ADDR" ]; then sed -i -e "/^$quoted/d" "$VENET_DEV/ipv6address" if [ ! -s "$VENET_DEV/ipv6address" ]; then rm -f -- "$VENET_DEV/ipv6address" rm -f -- "$VENET_DEV/ipv6route" sed -i -e "/^CONFIG_IPV6/d" "$VENET_DEV/options" fi else sed -i -e "/^$quoted/d" "$VENET_DEV/ipv4address" fi ip addr del dev "$VENET_DEV" "$_IP/$_MASK" done if [ $# -gt 0 -a -d /etc/hooks/del_ip.d ] && type run-parts >/dev/null 2>&1; then run-parts /etc/hooks/del_ip.d "$@" fi } [ -d "$IFACE_DIR" ] && cd "$IFACE_DIR" && del_ip exit 0