[packages] olsrd: Manuel Munz freifunk@somakoma.de modified init file of olsrd with improvements for 6and4 operation and also for setup of smartgw

git-svn-id: svn://svn.openwrt.org/openwrt/packages/net/olsrd@29134 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
Saverio Proto 2011-11-14 21:27:40 +00:00
parent 73d38472b4
commit 059b26c242
1 changed files with 125 additions and 16 deletions

View File

@ -1,12 +1,12 @@
#!/bin/sh /etc/rc.common
# Copyright (C) 2008-2011 OpenWrt.org
# Copyright (C) 2008 Alina Friedrichsen <x-alina@gmx.net>
# Special thanks to bittorf wireless ))
START=65
SERVICE_DAEMONIZE=1
SERVICE_WRITE_PID=1
BIN=/usr/sbin/olsrd
CONF=/var/etc/olsrd.conf
PID=/var/run/olsrd.pid
PID6=/var/run/olsrd.ipv6.pid
OLSRD_OLSRD_SCHEMA='ignore:internal config_file:internal DebugLevel=0 AllowNoInt=yes'
OLSRD_IPCCONNECT_SCHEMA='ignore:internal Host:list Net:list2'
@ -45,7 +45,6 @@ get_ifname() {
config_get ifname "$interface" ifname
validate_ifname "$ifname" || return 1
IFNAME="$ifname"
return 0
}
@ -324,7 +323,6 @@ olsrd_write_olsrd() {
local cfg="$1"
validate_varname "$cfg" || return 0
local ignore
local ipversion
config_get_bool ignore "$cfg" ignore 0
[ "$ignore" -ne 0 ] && return 0
@ -336,11 +334,12 @@ olsrd_write_olsrd() {
OLSRD_IPVERSION_6AND4=1
config_set "$cfg" IpVersion '6'
fi
config_get smartgateway "$cfg" SmartGateway
config_get smartgatewayuplink "$cfg" SmartGatewayUplink
config_write_options "$OLSRD_OLSRD_SCHEMA" "$cfg" olsrd_write_option
echo
OLSRD_COUNT=$((OLSRD_COUNT + 1))
return 0
}
@ -461,9 +460,15 @@ olsrd_write_loadplugin() {
fi
fi
config_get latlon_file "$cfg" latlon_file
for f in latlon_file hosts_file services_file resolv_file macs_file; do
config_get $f "$cfg" $f
done
[ -z "$latlon_file" ] && config_set "$cfg" latlon_file '/var/run/latlon.js'
;;
olsrd_watchdog.*)
config_get wd_file "$cfg" file
;;
esac
echo -n "${N}LoadPlugin \"$library\"${N}{"
@ -490,6 +495,7 @@ olsrd_write_interface() {
if validate_varname "$interface"; then
if get_ifname "$interface"; then
ifnames="$ifnames \"$IFNAME\""
ifsglobal="$ifsglobal $IFNAME"
else
echo "Warning: Interface '$interface' not found, skipped" 1>&2
fi
@ -562,6 +568,76 @@ olsrd_write_config() {
return 0
}
olsrd_setup_smartgw_rules() {
# Check if ipip is installed
[ ! -e /etc/modules.d/[0-9]*-ipip ] && echo "Warning: kmod-ipip is missing. SmartGateway will not work until you install it."
wanifnames=$(ip r l e 0/0 t all | sed -e 's/^.* dev //' |cut -d " " -f 1 | sort | uniq)
nowan=0
if [ -z "$wanifnames" ]; then
nowan=1
fi
IP4T=$(which iptables)
IP6T=$(which ip6tables)
# Delete smartgw firewall rules first
for IPT in $IP4T $IP6T; do
while $IPT -D forwarding_rule -o tnl_+ -j ACCEPT 2> /dev/null; do :;done
for IFACE in $wanifnames; do
while $IPT -D forwarding_rule -i tunl0 -o $IFACE -j ACCEPT 2> /dev/null; do :; done
done
for IFACE in $ifsglobal; do
while $IPT -D input_rule -i $IFACE -p 4 -j ACCEPT 2> /dev/null; do :; done
done
done
while $IP4T -t nat -D postrouting_rule -o tnl_+ -j MASQUERADE 2> /dev/null; do :;done
if [ "$smartgateway" == "yes" ]; then
echo "Notice: Inserting firewall rules for SmartGateway"
if [ ! "$smartgatewayuplink" == "none" ]; then
if [ "$smartgatewayuplink" == "ipv4" ]; then
# Allow everything to be forwarded to tnl_+ and use NAT for it
$IP4T -I forwarding_rule -o tnl_+ -j ACCEPT
$IP4T -t nat -I postrouting_rule -o tnl_+ -j MASQUERADE
# Allow forwarding from tunl0 to (all) wan-interfaces
if [ "$nowan"="0" ]; then
for IFACE in $wanifnames; do
$IP4T -A forwarding_rule -i tunl0 -o $IFACE -j ACCEPT
done
fi
# Allow incoming ipip on all olsr-interfaces
for IFACE in $ifsglobal; do
$IP4T -I input_rule -i $IFACE -p 4 -j ACCEPT
done
elif [ "$smartgatewayuplink" == "ipv6" ]; then
$IP6T -I forwarding_rule -o tnl_+ -j ACCEPT
if [ "$nowan"="0" ]; then
for IFACE in $wanifnames; do
$IP6T -A forwarding_rule -i tunl0 -o $IFACE -j ACCEPT
done
fi
for IFACE in $ifsglobal; do
$IP6T -I input_rule -i $IFACE -p 4 -j ACCEPT
done
else
for IPT in $IP4T $IP6T; do
$IPT -I forwarding_rule -o tnl_+ -j ACCEPT
$IPT -t nat -I postrouting_rule -o tnl_+ -j MASQUERADE
if [ "$nowan"="0" ]; then
for IFACE in $wanifnames; do
$IPT -A forwarding_rule -i tunl0 -o $IFACE -j ACCEPT
done
fi
for IFACE in $ifsglobal; do
$IPT -I input_rule -i $IFACE -p 4 -j ACCEPT
done
done
fi
fi
fi
}
start() {
SYSTEM_HOSTNAME=
SYSTEM_LAT=
@ -598,19 +674,52 @@ start() {
local bindv6only='0'
if [ "$OLSRD_IPVERSION_6AND4" -ne 0 ]; then
bindv6only="$(sysctl -n net.ipv6.bindv6only)"
sysctl -w net.ipv6.bindv6only=1
sed -e 's/^\t\t[0-9.]*[ ][0-9.]*$//' < "$OLSRD_CONFIG_FILE" > /var/etc/olsrd.conf.ipv6
sed -i '/[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}/d' /var/etc/olsrd.conf.ipv6
service_start /usr/sbin/olsrd -f /var/etc/olsrd.conf.ipv6 -nofork
sysctl -w net.ipv6.bindv6only=1 > /dev/null
sed -e '/[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}/d' < "$OLSRD_CONFIG_FILE" > /var/etc/olsrd.conf.ipv6
sed -e 's/^IpVersion[ ][ ]*6$/IpVersion 4/' -e 's/^\t\t[A-Fa-f0-9.:]*[:][A-Fa-f0-9.:]*[ ][0-9]*$//' < "$OLSRD_CONFIG_FILE" > /var/etc/olsrd.conf.ipv4
service_start /usr/sbin/olsrd -f /var/etc/olsrd.conf.ipv4 -nofork
rm $OLSRD_CONFIG_FILE
# some filenames should get the suffix .ipv6
for file in $latlon_file $hosts_file $services_file $resolv_file $macs_file $wd_file;do
f=$(echo $file|sed 's/\//\\\//g')
sed -i "s/$f/$f.ipv6/g" /var/etc/olsrd.conf.ipv6
done
if ([ -s $PID6 ] && kill -0 $(cat $PID6) 2>&-); then
echo "Error: There already is a IPv6 instance of olsrd running ($(cat $PID6)), not starting."
else
start-stop-daemon -q -b -m -p $PID6 -x $BIN -S -- -f /var/etc/olsrd.conf.ipv6 -nofork
fi
if ([ -s $PID ] && kill -0 $(cat $PID) 2>&-); then
echo "Error: There already is a IPv4 instance of olsrd running ($(cat $PID)), not starting."
else
start-stop-daemon -q -b -m -p $PID -x $BIN -S -- -f /var/etc/olsrd.conf.ipv4 -nofork
fi
sleep 3
sysctl -w net.ipv6.bindv6only="$bindv6only"
sysctl -w net.ipv6.bindv6only="$bindv6only" > /dev/null
else
service_start /usr/sbin/olsrd -f "$OLSRD_CONFIG_FILE" -nofork
if [ "$ipversion" = "6" ]; then
sed -i '/[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}/d' "$OLSRD_CONFIG_FILE"
fi
### check for running instance
if ([ -s $PID ] && kill -0 $(cat $PID) 2>&-); then
echo "Error: There already is a instance of olsrd running ($(cat $PID)), exiting now."
return 1
else
start-stop-daemon -q -b -m -p $PID -x $BIN -S -- -f "$OLSRD_CONFIG_FILE" -nofork
fi
fi
olsrd_setup_smartgw_rules
}
stop() {
service_stop /usr/sbin/olsrd
start-stop-daemon -q -p $PID -x $BIN -K
start-stop-daemon -q -p $PID6 -x $BIN -K
test -s $PID && rm $PID
test -s $PID6 && rm $PID6
}