PKGBUILDs/core/initscripts/network
2011-06-17 23:44:09 -05:00

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#!/bin/bash
. /etc/rc.conf
. /etc/rc.d/functions
for s in wireless bonding bridges dhcpcd; do
[[ -f /etc/conf.d/$s ]] && . "/etc/conf.d/$s"
done
# helper function to determine if legacy network support is needed
need_legacy() {
if [[ -z $interface ]]; then
return 0 # need legacy
fi
return 1 # enough present for iproute2 support
}
deprecated() {
printf "${C_FAIL}Warning:${C_CLEAR} This functionality is deprecated.\n"
printf " Please refer to /etc/rc.conf on how to define a single wired\n"
printf " connection, or use a utility such as netcfg.\n"
}
network_up() {
/usr/sbin/ip link set dev $interface up || return 1
if [[ $address ]]; then
for var in netmask gateway; do
if [[ -z ${!var} ]]; then
printf "${C_FAIL}Error: static address defined without $var!\n"
return 1
fi
done
/usr/sbin/ip addr add $address/$netmask dev $interface || return 1
/usr/sbin/ip route add default via $gateway || return 1
else
/sbin/dhcpcd $DHCPCD_ARGS $interface || return 1
fi
}
network_down() {
if [[ -f /var/run/dhcpcd-$interface.pid ]]; then
/sbin/dhcpcd -k $interface || return 1
else
/usr/sbin/ip route del default || return 1
/usr/sbin/ip addr flush dev $interface || return 1
fi
/usr/sbin/ip link set dev $interface down || return 1
}
ifup() {
local ifcfg=${!1}
if [[ ! $1 ]]; then
echo "usage: $0 ifup <interface_name>"
return 1
fi
# Get the name of the interface from the first token in the string
if [[ $ifcfg = dhcp ]]; then
ifname=$1
else
ifname=${ifcfg%% *}
fi
/sbin/ifconfig $ifname up
wi_up $1 || return 1
if [[ $ifcfg = dhcp ]]; then
# remove the .pid file if it exists
/bin/rm -f /var/run/dhcpcd-${1}.pid >/dev/null 2>&1
/bin/rm -f /var/run/dhcpcd-${1}.cache >/dev/null 2>&1
/sbin/dhcpcd $DHCPCD_ARGS ${1}
else
/sbin/ifconfig $ifcfg
fi
}
wi_up() {
local iwcfg=wlan_$1
[[ ${!iwcfg} ]] || return 0
/usr/sbin/iwconfig ${!iwcfg}
[[ $WIRELESS_TIMEOUT ]] || WIRELESS_TIMEOUT=2
sleep $WIRELESS_TIMEOUT
bssid=$(iwgetid $1 -ra)
if [[ $bssid = 00:00:00:00:00:00 ]]; then
printhl "Could not associate $1 - try increasing WIRELESS_TIMEOUT and check network is WEP or has no security"
return 1
fi
return 0
}
ifdown() {
local ifcfg=${!1}
if [[ ! $1 ]]; then
echo "usage: $0 ifdown <interface_name>"
return 1
fi
if [[ $ifcfg = dhcp && -f /var/run/dhcpcd-${1}.pid ]]; then
/sbin/dhcpcd -k ${1} >/dev/null 2>&1
fi
# Always bring the interface itself down
/sbin/ifconfig ${1} down >/dev/null 2>&1
}
iflist() {
for ifline in ${INTERFACES[@]}; do
if [[ $ifline = ${ifline#!} ]]; then
printf " $ifline:\t"
else
printf "$ifline:\t"
fi
echo ${!ifline#!}
done
}
rtup() {
local routecfg=${!1}
if [[ ! $1 ]]; then
echo "usage: $0 rtup <route_name>"
return 1
fi
if [[ $routecfg =~ :: ]]; then
/sbin/route -A inet6 add $routecfg
else
/sbin/route add $routecfg
fi
}
rtdown() {
local routecfg=${!1}
if [[ ! $1 ]]; then
echo "usage: $0 rtdown <route_name>"
return 1
fi
if [[ $routecfg =~ :: ]]; then
/sbin/route -A inet6 del $routecfg
else
/sbin/route del $routecfg
fi
}
rtlist() {
for rtline in ${ROUTES[@]}; do
if [[ $rtline = ${rtline#!} ]]; then
printf " $rtline:\t"
else
printf "$rtline:\t"
fi
echo ${!rtline#!}
done
}
bond_up() {
for ifline in ${BOND_INTERFACES[@]}; do
if [[ $ifline = ${ifline#!} ]]; then
bondcfg="bond_$ifline"
if [[ ${!bondcfg} ]]; then
/sbin/ifenslave $ifline ${!bondcfg} || error=1
fi
fi
done
}
bond_down() {
for ifline in ${BOND_INTERFACES[@]}; do
if [[ $ifline = ${ifline#!} ]]; then
bondcfg="bond_$ifline"
/sbin/ifenslave -d $ifline ${!bondcfg} || error=1
fi
done
}
bridge_up() {
for br in ${BRIDGE_INTERFACES[@]}; do
if [[ $br = ${br#!} ]]; then
# if the bridge already exists, remove it
if [[ $(/sbin/ifconfig $br 2>/dev/null) ]]; then
/sbin/ifconfig $br down
/usr/sbin/brctl delbr $br
fi
/usr/sbin/brctl addbr $br
brifs="bridge_$br"
for brif in ${!brifs}; do
if [[ $brif = ${brif#!} ]]; then
for ifline in ${BOND_INTERFACES[@]}; do
if [[ $brif = $ifline && $ifline = ${ifline#!} ]]; then
ifup $ifline
bondcfg="bond_$ifline"
/sbin/ifenslave $ifline ${!bondcfg} || error=1
unset bond_$ifline
fi
done
/usr/sbin/brctl addif $br $brif || error=1
fi
done
fi
done
}
bridge_down() {
for br in ${BRIDGE_INTERFACES[@]}; do
if [[ $br = ${br#!} ]]; then
/usr/sbin/brctl delbr $br
fi
done
}
case "$1" in
start)
# deprecation check
need_legacy && deprecated
if ! ck_daemon network; then
echo "Network is already running. Try 'network restart'"
exit
fi
stat_busy "Starting Network"
error=0
if need_legacy; then
# bring up bridge interfaces
bridge_up
# bring up ethernet interfaces
for ifline in ${INTERFACES[@]}; do
if [[ $ifline = ${ifline#!} ]]; then
ifup $ifline || error=1
fi
done
# bring up bond interfaces
bond_up
# bring up routes
for rtline in "${ROUTES[@]}"; do
if [ "$rtline" = "${rtline#!}" ]; then
rtup $rtline || error=1
fi
done
else
network_up
fi
if ((error == 0)); then
add_daemon network
stat_done
else
stat_fail
fi
;;
stop)
# deprecation check
need_legacy && deprecated
if [[ $NETWORK_PERSIST =~ yes|YES && $RUNLEVEL == [06] ]]; then
status "Skipping Network Shutdown" true
exit 0
fi
stat_busy "Stopping Network"
rm_daemon network
error=0
if need_legacy; then
for rtline in "${ROUTES[@]}"; do
if [[ $rtline = ${rtline#!} ]]; then
rtdown $rtline || error=1
fi
done
# bring down bond interfaces
bond_down
for ifline in ${INTERFACES[@]}; do
if [[ $ifline = ${ifline#!} ]]; then
ifdown $ifline || error=1
fi
done
# bring down bridge interfaces
bridge_down
else
network_down
fi
if ((error == 0)); then
stat_done
else
stat_fail
fi
;;
restart)
$0 stop
/bin/sleep 2
$0 start
;;
ifup|ifdown|iflist|rtup|rtdown|rtlist)
# deprecation check
need_legacy && deprecated
$1 $2
;;
*)
echo "usage: $0 {start|stop|restart}"
echo " $0 {ifup|ifdown|iflist|rtup|rtdown|rtlist}";;
esac
# vim: set ts=2 sw=2 noet: