openrc/net/ifconfig.sh.BSD.in
Mike Frysinger ef1ff1b4f2 make shell math operations style more succulent
Convert the style:
	var=$((${var} + 1))
to:
	: $(( var += 1 ))

The latter is easier to read imo.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-11-19 02:25:36 -05:00

245 lines
4.1 KiB
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# Copyright (c) 2007-2008 Roy Marples <roy@marples.name>
# Released under the 2-clause BSD license.
ifconfig_depend()
{
program /sbin/ifconfig
provide interface
}
_exists()
{
# 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
}
_up()
{
ifconfig "${IFACE}" up
}
_down()
{
ifconfig "${IFACE}" down
}
_ifindex()
{
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 += 1 ))
done
;;
default)
for x in $(ifconfig -l); do
if [ "${x}" = "${IFACE}" ]; then
echo "${i}"
return 0
fi
: $(( i += 1 ))
done
;;
esac
# Return the next available index
echo "${i}"
return 1
}
_ifconfig_ent()
{
LC_ALL=C ifconfig "${IFACE}" 2>/dev/null | while read ent rest; do
case "${ent}" in
$1) echo "${rest}";;
esac
done
}
_get_mac_address()
{
local ent="ether"
case "${RC_UNAME}" in
NetBSD|OpenBSD) ent="address:";;
esac
case $(_ifconfig_ent "${ent}") in
00:00:00:00:00:00);;
44:44:44:44:44:44);;
FF:FF:FF:FF:FF:FF);;
"") return 1;;
*) echo "${address}";;
esac
return 0;
}
_is_wireless()
{
case "$(_ifconfig_ent "media:")" in
IEEE802.11*|"IEEE 802.11 Wireless"*) return 0;;
*) return 1;;
esac
}
_get_inet_address()
{
local inet= address= n= netmask= rest=
LC_ALL=C ifconfig "${IFACE}" | while read inet address n netmask rest; do
if [ "${inet}" = "inet" ]; then
echo "${address}/$(_netmask2cidr "${netmask}")"
return 0
fi
done
}
_add_address()
{
local inet6=
case "$@" in
*:*) inet6=inet6;;
esac
if [ "${metric:-0}" != "0" ]; then
set -- "$@" metric ${metric}
fi
# ifconfig doesn't like CIDR addresses
case "${RC_UNAME}" in
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 "$@";;
esac
}
_delete_addresses()
{
einfo "Removing addresses"
eindent
LC_ALL=C ifconfig "${IFACE}" | while read inet address ali rest; do
case "${inet}" in
inet|inet6)
if [ "${address}" = "alias" ]; then
address="${ali}"
fi
case "${address}" in
*"%${IFACE}"|::1) continue;;
127.0.0.1) [ "${IFACE}" = "lo0" ] && continue;;
esac
einfo "${address}"
ifconfig "${IFACE}" "${inet}" "${address}" -alias
eend $?
;;
esac
done
eoutdent
return 0
}
_show_address()
{
einfo "received address $(_get_inet_address "${IFACE}")"
}
_has_carrier()
{
case "$(_ifconfig_ent "status:")" in
""|active|associated) return 0;;
*) return 1;;
esac
}
ifconfig_pre_start()
{
local config="$(_get_array "ifconfig_${IFVAR}")" conf= arg= args=
local IFS="$__IFS"
[ -z "${config}" ] && return 0
veinfo "Running ifconfig commands"
eindent
for conf in ${config}; do
unset IFS
args=
for arg in ${conf}; do
case ${arg} in
[Dd][Hh][Cc][Pp]);;
[Nn][Oo][Aa][Uu][Tt][Oo]);;
[Nn][Oo][Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp]);;
[Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp]);;
[Ww][Pp][Aa]);;
*) args="${args} ${arg}";;
esac
done
[ -z "${args}" ] && continue
vebegin "ifconfig${args}"
eval ifconfig "${IFACE}" "${args}"
veend $?
done
eoutdent
return 0
}
_ifconfig_ipv6_tentative()
{
local inet= address= rest=
LC_ALL=C ifconfig "${IFACE}" | while read inet address rest; do
case "${inet}" in
inet6)
case "${rest}" in
*" "tentative*) return 2;;
esac
;;
esac
done
[ $? = 2 ]
}
ifconfig_post_start()
{
if _ifconfig_ipv6_tentative; then
ebegin "Waiting for IPv6 addresses"
while true; do
_ifconfig_ipv6_tentative || break
done
eend 0
fi
}