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#!/bin/sh
#
# openwrt.sh,v 1.1.4.1 2007/01/12 19:16:12 dgregoire Exp
#
# This source code copyright (c) Hexago Inc. 2002-2007.
#
# LICENSE NOTICE: You may use and modify this source code only if you
# have executed a valid license agreement with Hexago Inc. granting
# you the right to do so, the said license agreement governing such
# use and modifications. Copyright or other intellectual property
# notices are not to be removed from the source code.
#
# Note: IPV6 support and tun Support must be enabled before calling this script.
#
LANGUAGE=C
if [ -z $TSP_VERBOSE ]; then
TSP_VERBOSE=0
fi
KillProcess()
{
if [ ! -z $TSP_VERBOSE ]; then
if [ $TSP_VERBOSE -ge 2 ]; then
echo killing $*
fi
fi
PID=`ps axww | grep $1 | grep -v grep | awk '{ print $1;}'`
echo $PID
if [ ! -z $PID ]; then
kill $PID
fi
}
Display()
{
if [ -z $TSP_VERBOSE ]; then
return;
fi
if [ $TSP_VERBOSE -lt $1 ]; then
return;
fi
shift
echo "$*"
}
Exec()
{
if [ ! -z $TSP_VERBOSE ]; then
if [ $TSP_VERBOSE -ge 2 ]; then
echo $*
fi
fi
$* # Execute command
if [ $? -ne 0 ]; then
echo "Error while executing $1"
echo " Command: $*"
exit 1
fi
}
ExecNoCheck()
{
if [ ! -z $TSP_VERBOSE ]; then
if [ $TSP_VERBOSE -ge 2 ]; then
echo $*
fi
fi
$* # Execute command
}
# Program localization
Display 1 "--- Start of configuration script. ---"
Display 1 "Script: " `basename $0`
ifconfig=/sbin/ifconfig
route=/sbin/route
ipconfig=/usr/sbin/ip
rtadvd=/usr/sbin/radvd
rtadvd_pid=/var/run/radvd.pid
sysctl=/sbin/sysctl
rtadvdconfigfilename=gw6c-radvd.conf
rtadvdconfigfile=/tmp/$rtadvdconfigfilename
if [ -z $TSP_HOME_DIR ]; then
echo "TSP_HOME_DIR variable not specified!;"
exit 1
fi
if [ ! -d $TSP_HOME_DIR ]; then
echo "Error : directory $TSP_HOME_DIR does not exist"
exit 1
fi
#
if [ -z $TSP_HOST_TYPE ]; then
echo Error: TSP_HOST_TYPE not defined.
exit 1
fi
if [ X"${TSP_HOST_TYPE}" = X"host" ] || [ X"${TSP_HOST_TYPE}" = X"router" ]; then
#
# Configured tunnel config (IPv6)
Display 1 "$TSP_TUNNEL_INTERFACE setup"
if [ X"${TSP_TUNNEL_MODE}" = X"v6v4" ]; then
Display 1 "Setting up link to $TSP_SERVER_ADDRESS_IPV4"
ExecNoCheck $ipconfig tunnel del $TSP_TUNNEL_INTERFACE
ExecNoCheck sleep 1
Exec $ipconfig tunnel add $TSP_TUNNEL_INTERFACE mode sit ttl 64 remote $TSP_SERVER_ADDRESS_IPV4
fi
Exec $ifconfig $TSP_TUNNEL_INTERFACE up
PREF=`echo $TSP_CLIENT_ADDRESS_IPV6 | sed "s/:0*/:/g" |cut -d : -f1-2`
OLDADDR=`$ifconfig $TSP_TUNNEL_INTERFACE | grep "inet6.* $PREF" | sed -e "s/^.*inet6 addr: //" -e "s/ Scope.*\$//"`
if [ ! -z $OLDADDR ]; then
Display 1 "Removing old IPv6 address $OLDADDR"
Exec $ifconfig $TSP_TUNNEL_INTERFACE inet6 del $OLDADDR
fi
Display 1 "This host is: $TSP_CLIENT_ADDRESS_IPV6/$TSP_TUNNEL_PREFIXLEN"
Exec $ifconfig $TSP_TUNNEL_INTERFACE add $TSP_CLIENT_ADDRESS_IPV6/$TSP_TUNNEL_PREFIXLEN
Exec $ifconfig $TSP_TUNNEL_INTERFACE mtu 1280
#
# Default route
Display 1 "Adding default route"
ExecNoCheck $route -A inet6 del ::/0 2>/dev/null # delete old default route
ExecNoCheck $route -A inet6 del 2000::/3 2>/dev/null # delete old gw route
Exec $route -A inet6 add ::/0 dev $TSP_TUNNEL_INTERFACE
Exec $route -A inet6 add 2000::/3 dev $TSP_TUNNEL_INTERFACE
fi
# Router configuration if required
if [ X"${TSP_HOST_TYPE}" = X"router" ]; then
Display 1 "Router configuration"
Display 1 "Kernel setup"
if [ X"${TSP_PREFIXLEN}" != X"64" ]; then
#Better way on linux to avoid loop with the remaining /48?
$route -A inet6 add $TSP_PREFIX::/$TSP_PREFIXLEN dev $TSP_HOME_INTERFACE 2>/dev/null
fi
Display 1 "Adding prefix to $TSP_HOME_INTERFACE"
OLDADDR=`$ifconfig $TSP_HOME_INTERFACE | grep "inet6.* $PREF" | sed -e "s/^.*inet6 addr: //" -e "s/ Scope.*\$//"`
if [ ! -z $OLDADDR ]; then
Display 1 "Removing old IPv6 address $OLDADDR"
Exec $ifconfig $TSP_HOME_INTERFACE del $OLDADDR
fi
Exec $ifconfig $TSP_HOME_INTERFACE add $TSP_PREFIX::1/64
# Router advertisement configuration
Display 1 "Create new $rtadvdconfigfile"
echo "##### rtadvd.conf made by Gateway6 Client ####" > "$rtadvdconfigfile"
echo "interface $TSP_HOME_INTERFACE" >> "$rtadvdconfigfile"
echo "{" >> "$rtadvdconfigfile"
echo " AdvSendAdvert on;" >> "$rtadvdconfigfile"
echo " prefix $TSP_PREFIX::/64" >> "$rtadvdconfigfile"
echo " {" >> "$rtadvdconfigfile"
echo " AdvOnLink on;" >> "$rtadvdconfigfile"
echo " AdvAutonomous on;" >> "$rtadvdconfigfile"
echo " };" >> "$rtadvdconfigfile"
echo "};" >> "$rtadvdconfigfile"
echo "" >> "$rtadvdconfigfile"
/etc/init.d/radvd stop
# Then enable forwarding. Killing
# radvd disables forwarding and radvd
# does NOT start without forwarding enabled
Exec $sysctl -w net.ipv6.conf.all.forwarding=1 # ipv6_forwarding enabled
if [ -f $rtadvdconfigfile ]; then
Exec $rtadvd -p $rtadvd_pid -C $rtadvdconfigfile
Display 1 "Starting radvd: $rtadvd -p $rtadvd_pid -C $rtadvdconfigfile"
else
echo "Error : file $rtadvdconfigfile not found"
exit 1
fi
fi
Display 1 "--- End of configuration script. ---"
exit 0
#---------------------------------------------------------------------
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