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#!/bin/sh /etc/rc.common
#
# description: Startup/shutdown script for nodogsplash captive portal
#
# P. Kube 2007
#
# (Based on wifidog startup script
# Date : 2004-08-25
# Version : 1.0
# Comment by that author: Could be better, but it's working as expected)
#
IPT=/usr/sbin/iptables
WD_DIR=/usr/bin
NDS_CONF=/etc/nodogsplash/nodogsplash.conf
OPTIONS=""
START=65
STOP=65
# -s -d 5 runs in background, with level 5 (not so verbose) messages to syslog
# -f -d 7 runs in foreground, with level 7 (verbose) debug messages to terminal
# N.B.: -f will fail if starting at boot from rcS
#OPTIONS="-s -d 5"
start() {
echo "Starting nodogsplash ... "
if $WD_DIR/ndsctl status 2> /dev/null; then
echo "FAILED: nodogsplash already running"
else
if test_module && $WD_DIR/nodogsplash $OPTIONS; then
echo "OK: nodogsplash started"
else
echo "FAILED: nodogsplash exited with non 0 status"
fi
fi
}
stop() {
echo "Stopping nodogsplash ... "
if $WD_DIR/ndsctl status 2> /dev/null; then
if $WD_DIR/ndsctl stop; then
echo "OK: nodogsplash stopped"
else
echo "FAILED: ndsctl stop exited with non 0 status"
fi
else
echo "FAILED: nodogsplash was not running"
fi
}
status() {
$WD_DIR/ndsctl status
}
test_module() {
### Test ipt_mark with iptables
test_ipt_mark () {
($IPT -A FORWARD -m mark --mark 2 -j ACCEPT 2>&1) > /dev/null
IPTABLES_OK=$?
if [ "$IPTABLES_OK" -eq 0 ]; then
($IPT -D FORWARD -m mark --mark 2 -j ACCEPT 2>&1) > /dev/null
return 0
else
return 1
fi
}
### Test ipt_mac with iptables
test_ipt_mac () {
($IPT -A INPUT -m mac --mac-source 00:00:00:00:00:00 -j ACCEPT 2>&1) > /dev/null
IPTABLES_OK=$?
if [ "$IPTABLES_OK" -eq 0 ]; then
($IPT -D INPUT -m mac --mac-source 00:00:00:00:00:00 -j ACCEPT 2>&1) > /dev/null
return 0
else
return 1
fi
}
### Test ipt_IMQ with iptables
test_ipt_IMQ () {
($IPT -t mangle -A PREROUTING -j IMQ --todev 0 2>&1) > /dev/null
IPTABLES_OK=$?
if [ "$IPTABLES_OK" -eq 0 ]; then
($IPT -t mangle -D PREROUTING -j IMQ --todev 0 2>&1) > /dev/null
return 0
else
return 1
fi
}
### Test imq with ip
test_imq () {
(ip link set imq0 up 2>&1) > /dev/null
IMQ0_OK=$?
(ip link set imq1 up 2>&1) > /dev/null
IMQ1_OK=$?
if [ "$IMQ0_OK" -eq 0 -a "$IMQ1_OK" -eq 0 ]; then
(ip link set imq0 down 2>&1) > /dev/null
(ip link set imq1 down 2>&1) > /dev/null
return 0
else
return 1
fi
}
### Test sch_htb with tc; requires imq0
test_sch_htb () {
(tc qdisc del dev imq0 root 2>&1) > /dev/null
(tc qdisc add dev imq0 root htb 2>&1) > /dev/null
TC_OK=$?
if [ "$TC_OK" -eq 0 ]; then
(tc qdisc del dev imq0 root 2>&1) > /dev/null
return 0
else
return 1
fi
}
### Find a module on disk
module_exists () {
EXIST=$(find /lib/modules/`uname -r` -name $1.*o 2> /dev/null)
if [ -n "$EXIST" ]; then
return 0
else
return 1
fi
}
### Test if a module is in memory
module_in_memory () {
MODULE=$(lsmod | grep $1 | awk '{print $1}')
if [ "$MODULE" = "$1" ]; then
return 0
else
return 1
fi
}
### Test functionality of a module; load if necessary
do_module_tests () {
echo " Testing module $1 $2"
"test_$1"
if [ $? -ne 0 ]; then
echo " Module $1 $2 needed"
echo " Scanning disk for $1 module"
module_exists $1
if [ $? -ne 0 ]; then
echo " $1 module missing: please install it"
exit 1
else
echo " $1 exists, trying to load"
insmod $1 $2 > /dev/null
if [ $? -ne 0 ]; then
echo " Error: insmod $1 $2 failed"
exit 1
else
echo " $1 $2 loaded successfully"
fi
fi
else
echo " $1 is working"
fi
}
echo " Testing required modules"
do_module_tests "ipt_mac"
do_module_tests "ipt_mark"
# test for imq modules, only if TrafficControl is enabled in conf
if ( grep -q -E '^[[:space:]]*TrafficControl[[:space:]]+(yes|true|1)' "$NDS_CONF" ) ; then
do_module_tests "imq" "numdevs=2"
do_module_tests "ipt_IMQ"
do_module_tests "sch_htb"
fi
}
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