shinyscripts/daemon/network

307 lines
5.8 KiB
Plaintext
Raw Permalink Normal View History

2022-11-13 11:46:30 +01:00
#!/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() {
# complain when `interface' is unset and `INTERFACES' has profiles enabled
if [[ -z $interface && ${INTERFACES[@]##!*} ]]; then
return 0 # need legacy
fi
return 1 # enough present for iproute2 support
}
deprecated() {
print_depr "The legacy network settings format" "rc.conf(5)"
}
network_up() {
if [[ $address ]]; then
ip link set dev $interface up || return 1
ip addr add $address/${netmask:-24} broadcast ${broadcast:-+} dev $interface || return 1
[[ $gateway ]] && { ip route add default via $gateway || return 1; }
else
dhcpcd $DHCPCD_ARGS $interface || return 1
fi
}
network_down() {
if [[ ! -n $interface ]]; then
if [[ -f /run/dhcpcd.pid ]]; then
dhcpcd -qk || return 1
fi
else
if [[ ! -n $address && -f /run/dhcpcd-$interface.pid ]]; then
dhcpcd -qk $interface || return 1
else
ip addr flush dev $interface || return 1
fi
ip link set dev $interface down || return 1
fi
}
ifup() {
local ifcfg=${!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
ifconfig $ifname up
wi_up $1 || return 1
if [[ $ifcfg = dhcp ]]; then
# remove the .pid file if it exists
rm -f /run/dhcpcd-${1}.pid >/dev/null 2>&1
rm -f /run/dhcpcd-${1}.cache >/dev/null 2>&1
dhcpcd $DHCPCD_ARGS ${1}
else
ifconfig $ifcfg
fi
}
wi_up() {
local iwcfg=wlan_$1
[[ ${!iwcfg} ]] || return 0
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 [[ $ifcfg = dhcp && -f /run/dhcpcd-${1}.pid ]]; then
dhcpcd -k ${1} >/dev/null 2>&1
fi
# Always bring the interface itself down
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
route -A inet6 add $routecfg
else
route add $routecfg
fi
}
rtdown() {
local routecfg=${!1}
if [[ ! $1 ]]; then
echo "usage: $0 rtdown <route_name>"
return 1
fi
if [[ $routecfg =~ :: ]]; then
route -A inet6 del $routecfg
else
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
ifenslave $ifline ${!bondcfg} || error=1
fi
fi
done
}
bond_down() {
for ifline in ${BOND_INTERFACES[@]}; do
if [[ $ifline = ${ifline#!} ]]; then
bondcfg="bond_$ifline"
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 [[ $(ifconfig $br 2>/dev/null) ]]; then
ifconfig $br down
brctl delbr $br
fi
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"
ifenslave $ifline ${!bondcfg} || error=1
unset bond_$ifline
fi
done
brctl addif $br $brif || error=1
fi
done
fi
done
}
bridge_down() {
for br in ${BRIDGE_INTERFACES[@]}; do
if [[ $br = ${br#!} ]]; then
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 'rc.d restart network'"
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 )); 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 )); then
stat_done
else
stat_fail
fi
;;
restart)
$0 stop
sleep 2
$0 start
;;
ifup|ifdown|iflist|rtup|rtdown|rtlist)
# deprecation check
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: