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# -*- sh -*-
# vim:ft=sh:ts=8:sw=4:noet
AddConfigHandler NetworkConfigOptions
AddConfigHelp "DownInterfaces auto|<ifname> [...]" "The names of network interfaces to bring down before suspending. If the parameter \"auto\" is given, all interfaces which are not lo are brought down."
AddConfigHelp "UpInterfaces auto|<ifname> [...]" "The names of network interfaces to bring up after suspending. If the parameter \"auto\" is given, the interfaces stopped before suspending will be started in reverse order."
NetworkStop() {
# If the script stops networking altogether, there's not much we can do.
if [ -n "$NETWORK_CALL_ONCE" ] ; then
network_ifdown
[ $? -eq 0 ] && return 0
return 1
fi
local ret
local int
local do_auto
NETWORK_DOWNEDIFS="" # for saving the downed interfaces, for "auto"
ret=0
do_auto=
case $NETWORK_DOWNIFS in *\ auto\ *) do_auto=yes ;; esac
for int in `sed -rne 's,[[:space:]]*([[:alnum:]]+):.*,\1,p' /proc/net/dev`; do
if [ -z "$do_auto" ] ; then
# Only proceed if we were given "auto" or this interface was meant
# to be brought down.
case "$NETWORK_DOWNIFS" in *\ $int\ *) ;; *) continue ;; esac
else
# Don't bring down lo in auto mode.
[ "$int" = "lo" ] && continue
fi
vecho 2 "Bringing down interface $int"
NETWORK_DOWNEDIFS="$(network_ifdown $int) $NETWORK_DOWNEDIFS" || ret=$?
done
return $ret
}
NetworkStart() {
# If the script starts networking altogether, there's not much we can do.
if [ -n "$NETWORK_CALL_ONCE" ] ; then
network_ifup
[ $? -eq 0 ] && return 0
return 1
fi
local ret
local int
ret=0
for int in $NETWORK_UPIFS ; do
if [ "$int" = "auto" ] ; then
for int in $NETWORK_DOWNEDIFS ; do
vecho 2 "Bringing up interface $int (from auto)"
network_ifup $int
[ $? -ne 0 ] && ret=1
done
continue
fi
vecho 2 "Bringing up interface $int"
network_ifup $int
[ $? -ne 0 ] && ret=1
done
return 0
}
NetworkConfigOptions() {
local opt
opt="$1"
shift
case $opt in
downinterfaces)
NETWORK_DOWNIFS="$NETWORK_DOWNIFS $* "
;;
upinterfaces)
NETWORK_UPIFS="$NETWORK_UPIFS $* "
;;
*)
return 1
esac
if [ -z "$NETWORK_HOOKED" ] ; then
AddSuspendHook 60 NetworkStop
AddResumeHook 60 NetworkStart
NetworkDetectDistro
NETWORK_HOOKED=1
fi
return 0
}
NetworkDetectDistro() {
# Use either a given $DISTRIBUTION or autodetect one.
case "$DISTRIBUTION" in
arch)
network_ifup() {
/etc/rc.d/network ifup $1
}
network_ifdown() {
/etc/rc.d/network ifdown $1
}
;;
gentoo)
network_ifup() {
[ -x "/etc/init.d/net.$1" ] && /etc/init.d/net.$1 start
}
network_ifdown() {
[ -x "/etc/init.d/net.$1" ] && /etc/init.d/net.$1 stop \
|| return $?
echo $1
}
;;
suse)
network_ifup() {
/etc/init.d/network start
}
network_ifdown() {
/etc/init.d/network stop || return $?
echo all
}
NETWORK_CALL_ONCE=1
;;
debian|ubuntu)
network_ifup() {
start-stop-daemon --start --background \
--startas /sbin/ifup --name "hibernate_ifup_$1" -- $*
}
network_ifdown() {
STDERR="$(/sbin/ifdown $1 2>&1 1>/dev/null)" || return $?
case "$STDERR" in
"/sbin/ifdown: interface $1 not configured") :;;
*) echo $1;;
esac
}
;;
mandrake|fedora|redhat)
network_ifup() {
/sbin/ifup $*
}
network_ifdown() {
/sbin/ifdown $* || return $?
echo $*
}
;;
slackware)
network_ifup() {
/etc/rc.d/rc.inet1 start
}
network_ifdown() {
/etc/rc.d/rc.inet1 stop || return $?
echo all
}
NETWORK_CALL_ONCE=1
;;
*)
# Auto-detect
if [ -x "/sbin/ifup" ] ; then
network_ifup() {
/sbin/ifup $*
}
network_ifdown() {
STDERR="$(/sbin/ifdown $1 2>&1 1>/dev/null)" || return $?
case "$STDERR" in
"/sbin/ifdown: interface $1 not configured") :;;
*) echo $1;;
esac
}
elif [ -x "/etc/init.d/ifup" ] ; then
network_ifup() {
/etc/init.d/ifup $*
}
network_ifdown() {
/etc/init.d/ifdown $* || return $?
echo $*
}
elif [ -x "/etc/sysconfig/network-scripts/ifup" ] ; then
network_ifup() {
/etc/sysconfig/network-scripts/ifup $*
}
network_ifdown() {
/etc/sysconfig/network-scripts/ifdown $* || return $?
echo $*
}
elif [ -x "/etc/init.d/networking" ] ; then
network_ifup() {
/etc/init.d/networking start
}
network_ifdown() {
/etc/init.d/networking stop || return $?
echo all
}
NETWORK_CALL_ONCE=1
elif [ -x "/etc/init.d/network" ] ; then
network_ifup() {
/etc/init.d/network start
}
network_ifdown() {
/etc/init.d/network stop || return $?
echo all
}
NETWORK_CALL_ONCE=1
else
network_ifup() {
/sbin/ifconfig $1 up
}
network_ifdown() {
/sbin/ifconfig $1 down || return $?
echo $1
}
fi
esac
return 0
}
# $Id$
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