SmartAudio/package/luci/freifunk-policyrouting/files/etc/init.d/freifunk-policyrouting

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#!/bin/sh /etc/rc.common
START=15
. /lib/functions/network.sh
. /lib/functions.sh
proto="4"
[ -f /proc/net/ipv6_route ] && proto="4 6"
[ -f /etc/config/olsrd ] && cfgs="olsrd"
[ -f /etc/config/olsrd6 ] && cfgs="$cfgs olsrd6"
config_load freifunk-policyrouting
config_get enable pr enable
config_get fallback pr fallback
config_get zones pr zones
olsrd_rmtables() {
for cfg in $cfgs; do
# Remove custom routing tables from olsrd
if [ "`uci -q get $cfg.@olsrd[0].RtTable`" == "111" ] || [ "`uci -q get $cfg.@olsrd[0].RtTableDefault`" == "112" ]; then
uci delete $cfg.@olsrd[0].RtTable
uci delete $cfg.@olsrd[0].RtTableDefault
uci commit
fi
done
}
olsrd_intalltables() {
for cfg in $cfgs; do
if [ ! "`uci -q get $cfg.@olsrd[0].RtTable`" == "111" ] || [ ! "`uci -q get $cfg.@olsrd[0].RtTableDefault`" == "112" ]; then
uci set $cfg.@olsrd[0].RtTable='111'
uci set $cfg.@olsrd[0].RtTableDefault='112'
uci commit $cfg
/etc/init.d/$cfg restart 2&> /dev/null
fi
done
}
rt_tables() {
tables="/etc/iproute2/rt_tables"
if [ -z "`grep "110" $tables`" ]; then
echo "110 localnets" >> $tables
fi
if [ -z "`grep "111" $tables`" ]; then
echo "111 olsr" >> $tables
fi
if [ -z "`grep "112" $tables`" ]; then
echo "112 olsr-default" >> $tables
fi
}
handle_disable_dyngw() {
local cfg="$1"
local olsrd_cfg="$2"
config_get library "$cfg" library
case "$library" in
olsrd_dyn_gw_plain*)
config_get RtTable "$cfg" RtTable
if [ -z "$RtTable" ] || [ "$RtTable" = "254" ]; then
config_set "$cfg" ignore '1'
uci set $olsrd_cfg.$cfg.ignore="1"
uci commit $olsrd_cfg
logger -s -t policyrouting -p info "dyngw_plain plugin disabled."
fi
;;
olsrd_dyn_gw.so*)
logger -s -t policyrouting -p info "$cfg"
uci set $olsrd_cfg.$cfg.ignore="1"
uci commit $olsrd_cfg
logger -s -t policyrouting -p info "dyngw plugin disabled."
;;
esac
}
disable_dyngw() {
for olsrd_cfg in $cfgs; do
config_load $olsrd_cfg
config_foreach handle_disable_dyngw LoadPlugin $olsrd_cfg
done
}
restart_services() {
logger -s -t policyrouting -p info "Restarting services"
/etc/init.d/network restart 2&> /dev/null
for cfg in $cfgs; do
/etc/init.d/$cfg restart 2&> /dev/null
done
}
boot() {
if [ "$enable" = "1" ]; then
[ -d /var/state ] || mkdir -p /var/state
touch /var/state/freifunk-policyrouting
start noservicerestart
else
olsrd_rmtables
fi
}
add_lookup_rule() {
name=${1/-/_}
lookup=$2
prio=$3
if [ -z "$name" -o -z "$lookup" -o -z "$prio" ]; then
logger -s -t policyrouting "Missing parameters for add_rule!"
else
for p in $proto; do
if [ "$p" = "6" ]; then
rule="rule6"
else
rule="rule"
fi
uci batch <<- EOF
set network.${name}ipv${p}="$rule"
set network.${name}ipv${p}.lookup="$lookup"
set network.${name}ipv${p}.priority="$prio"
EOF
done
fi
}
del_lookup_rule() {
name=${1/-/_}
for p in $proto; do
uci -q delete network.${name}ipv${p}
done
}
start() {
if [ $enable = "1" ]; then
logger -s -t policyrouting "Starting policy routing."
rt_tables
olsrd_intalltables
disable_dyngw
add_lookup_rule olsr olsr 1000
add_lookup_rule localnets localnets 2000
if [ "$fallback" = 1 ]; then
add_lookup_rule olsr-default olsr-default 100000
fi
fi
uci commit network
if [ ! "$1" = "noservicerestart" ]; then
restart_services
fi
}
stop() {
logger -s -t policyrouting "Stopping policy routing"
olsrd_rmtables
del_lookup_rule olsr-default
del_lookup_rule olsr
del_lookup_rule localnets
uci commit network
restart_services
echo "Hint: To completely disable freifunk-policyrouting set enable=0 in /etc/config/freifunk-policyrouting."
}
restart() {
logger -s -t policyrouting "Restarting policy routing"
olsrd_rmtables
del_lookup_rule olsr-default
del_lookup_rule olsr
del_lookup_rule localnets
uci commit network
start
}