openrc/net.BSD/ifconfig.sh

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# Copyright 2004-2007 Gentoo Foundation
# Copyright 2007 Roy Marples
# All rights reserved
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
ifconfig_depend() {
program /sbin/ifconfig
provide interface
}
_exists() {
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# Only FreeBSD sees to have /dev/net .... is there something
# other than ifconfig we can use for the others?
if [ -d /dev/net ] ; then
[ -e /dev/net/"${IFACE}" ]
else
ifconfig "${IFACE}" >/dev/null 2>&1
fi
}
_get_mac_address() {
local mac=$(LC_ALL=C ifconfig "${IFACE}" | \
sed -n -e 's/^[[:space:]]*ether \(..:..:..:..:..:..\).*/\1/p')
case "${mac}" in
00:00:00:00:00:00) ;;
44:44:44:44:44:44) ;;
FF:FF:FF:FF:FF:FF) ;;
*) echo "${mac}"; return 0 ;;
esac
return 1
}
_up () {
ifconfig "${IFACE}" up
}
_down () {
ifconfig "${IFACE}" down
}
_ifindex() {
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local x= i=1
case "${RC_UNAME}" in
FreeBSD|DragonFly)
for x in /dev/net[0-9]* ; do
if [ "${x}" -ef /dev/net/"${IFACE}" ] ; then
echo "${x#/dev/net}"
return 0
fi
i=$((${i} + 1))
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done
;;
default)
for x in $(ifconfig -a | sed -n -e 's/^\([^[:space:]]*\):.*/\1/p') ; do
if [ "${x}" = "${IFACE}" ] ; then
echo "${i}"
return 0
fi
i=$((${i} + 1))
done
;;
esac
# Return the next available index
echo "${i}"
return 1
}
_is_wireless() {
LC_ALL=C ifconfig "${IFACE}" 2>/dev/null | \
grep -q "^[[:space:]]*media: IEEE 802.11 Wireless"
}
_get_inet_address() {
set -- $(LC_ALL=C ifconfig "${IFACE}" |
sed -n -e 's/^[[:space:]]*inet \([^ ]*\) netmask 0x\(..\)\(..\)\(..\)\(..\).*/\1 0x\2.0x\3.0x\4/p')
[ -z "$1" ] && return 1
echo -n "$1"
shift
echo "/$(_netmask2cidr "$1")"
}
_add_address() {
local inet6=
case "$@" in
*:*) inet6=inet6 ;;
esac
if [ "${metric:-0}" != "0" ] ; then
set -- "$@" metric ${metric}
fi
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# ifconfig doesn't like CIDR addresses
case "${RC_UNAME}" in
NetBSD|OpenBSD)
local ip="${1%%/*}" cidr="${1##*/}" netmask=
if [ -n "${cidr}" -a "${cidr}" != "${ip}" ]; then
netmask="$(_cidr2netmask "${cidr}")"
shift
set -- "${ip}" netmask "${netmask}" "$@"
fi
;;
esac
ifconfig "${IFACE}" ${inet6} alias "$@"
}
_add_route() {
if [ $# -gt 3 ] ; then
if [ "$3" = "gw" -o "$3" = "via" ] ; then
local one=$1 two=$2
shift ; shift; shift
set -- "${one}" "${two}" "$@"
fi
fi
case "$@" in
*:*) route add -inet6 "$@" ;;
*) route add "$@" ;;
esac
}
_delete_addresses() {
# We don't remove addresses from aliases
case "${IFACE}" in
*:*) return 0 ;;
esac
einfo "Removing addresses"
eindent
local addr=
for addr in $(LC_ALL=C ifconfig "${IFACE}" |
sed -n -e 's/^[[:space:]]*inet \([^ ]*\).*/\1/p') ; do
if [ "${addr}" = "127.0.0.1" ] ; then
# Don't delete the loopback address
[ "$1" = "lo" -o "$1" = "lo0" ] && continue
fi
einfo "${addr}"
ifconfig "$1" delete "${addr}"
eend $?
done
# Remove IPv6 addresses
for addr in $(LC_ALL=C ifconfig "${IFACE}" | \
sed -n -e 's/^[[:space:]]*inet6 \([^ ]*\).*/\1/p') ; do
case "${addr}" in
*"%${IFACE}") continue ;;
::1) continue ;;
esac
einfo "${addr}"
ifconfig "${IFACE}" inet6 delete "${addr}"
eend $?
done
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eoutdent
return 0
}
_show_address() {
einfo "received address $(_get_inet_address "${IFACE}")"
}
_has_carrier() {
local s=$(LC_ALL=C ifconfig "${IFACE}" | \
sed -n -e 's/^[[:space:]]status: \(.*\)$/\1/p')
[ -z "${s}" -o "${s}" = "active" -o "${s}" = "associated" ]
}
# vim: set ts=4 :