startTunnel.sh

#!/bin/sh
##########################################################################
# If not stated otherwise in this file or this component's Licenses.txt
# file the following copyright and licenses apply:
#
# Copyright 2016 RDK Management
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
##########################################################################
#

. /etc/include.properties
. /etc/device.properties

source /etc/waninfo.sh

UseLANIFIPV6=`sysevent get LANIPv6GUASupport`


if [ -f /lib/rdk/t2Shared_api.sh ]; then
                source /lib/rdk/t2Shared_api.sh
fi

WAN_INTERFACE=$(getWanInterfaceName)
usage()
{
  echo "USAGE:   startTunnel.sh {start|stop} {args}"
}

if [ -f /lib/rdk/utils.sh  ]; then
   . /lib/rdk/utils.sh
fi

if [ $# -lt 1 ]; then
   usage
   exit 1
fi

ip_to_hex() {
  printf '%02x' ${1//./ }
}

oper=$1
shift

# XB6 Arris Class devices need to utilize erouter0.
if [ "$BOX_TYPE" = "XB6" -a "$MANUFACTURE" = "Arris" ]; then
    CMINTERFACE=$(getWanInterfaceName)
fi
case $oper in 
           h)
             usage
             exit 1
             ;;
           start)
         WAN_INTERFACE=$(getWanInterfaceName)
         DEF_WAN_INTERFACE=$(getWanMacInterfaceName)
	     if [ -f "/nvram/ETHWAN_ENABLE" ];then
		CM_IPV4=`ifconfig $WAN_INTERFACE | grep "inet addr" | awk '/inet/{print $2}'  | cut -f2 -d: | head -n1`
		IpCheckVal=$(echo ${CM_IPV4} | tr "." " " | awk '{ print $3"."$4 }')
		Check=$(ip_to_hex $IpCheckVal)
		# getting the IPV6 address for CM
                if [ "$BOX_TYPE" = "SCER11BEL" -a "$UseLANIFIPV6" = "true" ] ; then
                    if [ -z "$CM_IPV4" ]; then
                        # In IPv6 only case (MAP-T), and if IPv6 GUA on LAN enabled case, use brlan0 interface to get v6 global address.
                        CM_IP=`ip -6 addr show dev brlan0 scope global | awk '/inet/{print $2}' | cut -d '/' -f1 | head -n1`
                    else
                        CM_IP=$CM_IPV4
                    fi
                    echo "CM_IP-$CM_IP"
                # creating a ssh tunnel directly to the LANIP:22 for IPV6 only scenario
                elif [ "x$BOX_TYPE" = "xHUB4" ] || [ "x$BOX_TYPE" = "xSR300" ] || [ "x$BOX_TYPE" = "xSR213" ] || [ "x$BOX_TYPE" = "xSE501" ] || [ "x$BOX_TYPE" = "xWNXL11BWL" ] || [ "$UseLANIFIPV6" = "true" ]; then
                        if [ -z "$CM_IPV4" ]; then
                                CM_IP=`syscfg get lan_ipaddr`
                        else
                                CM_IP=$CM_IPV4
                        fi
                else
                         CM_IP=`ifconfig $WAN_INTERFACE | grep Global |  awk '/inet6/{print $3}' | cut -d '/' -f1`
                         if [ -z "$CM_IP" ]; then
                            CM_IP=$CM_IPV4
                         fi
                fi
	     else
		if ( [ "$MANUFACTURE" = "Technicolor" ] || [ "$MANUFACTURE" = "Sercomm" ] ) && [ "$BOX_TYPE" != "XB3" ]; then 
			if [ "$WAN_INTERFACE" = "$DEF_WAN_INTERFACE" ]; then
			CM_IPV4=`ifconfig privbr:0 | grep "inet addr" | awk '/inet/{print $2}'  | cut -f2 -d: | head -n1`
			IpCheckVal=$(echo ${CM_IPV4} | tr "." " " | awk '{ print $3"."$4 }')
			Check=$(ip_to_hex $IpCheckVal)
			# Get Gobal scope IPv6 address from interface privbr
			CM_IP=`ifconfig privbr | grep $Check | grep Global |  awk '/inet6/{print $3}' | cut -d '/' -f1 | head -n1` 
			# If Gobal scope IPv6 address is not present
			if [ -z "$CM_IP" ]; then
				# Get Link local scope IPv6 address from interface privbr
				CM_IP=`ifconfig privbr | grep $Check | awk '/inet6/{print $3}' | cut -d '/' -f1`
				# If Link local scope IPv6 address is present
				if [ ! -z "$CM_IP" ]; then
					CM_IP="$CM_IP%privbr"
				else
					CM_IP=$CM_IPV4
				fi
			fi
			else
			CM_IPV4=`ifconfig $WAN_INTERFACE | grep "inet addr" | awk '/inet/{print $2}'  | cut -f2 -d: | head -n1`
			IpCheckVal=$(echo ${CM_IPV4} | tr "." " " | awk '{ print $3"."$4 }')
			Check=$(ip_to_hex $IpCheckVal)
			CM_IP=`ifconfig $WAN_INTERFACE | grep Global |  awk '/inet6/{print $3}' | cut -d '/' -f1`
				if [ -z "$CM_IP" ]; then
					CM_IP=$CM_IPV4
				fi
			fi
		elif [ "$BOX_TYPE" = "XB6" -a "$MANUFACTURE" = "Arris" ] ; then
			CM_IPV4=""
			CM_IP=""
			CM_IPV4=`ifconfig $CMINTERFACE | grep "inet addr" | awk '/inet/{print $2}'  | cut -f2 -d: | head -n1`
			if [ ! "$CM_IPV4" ]; then
				echo "Error: There is no valid CM interface configured and error getting IP address for the device."
			fi
			CM_IP=`ifconfig $CMINTERFACE| grep inet6 | tr -s " " | grep -v Link | cut -d " " -f4 | cut -d "/" -f1 | head -n1`
			if [ ! "$CM_IP" ]; then
				echo "Error: There is no valid CM interface configured and error getting IPv6 address for the device"
                                echo "As there is no valid IPV6 configured, assigning a valid IPv4 for the device"
				if [ ! -z "$CM_IPV4" ]; then
					CM_IP=$CM_IPV4
				fi
			fi
			if [ -z "$CM_IP" -a -z "$CM_IPV4" ]; then
				echo "Error: There is no valid CM interface configured and error while starting ssh process."
                                t2CountNotify "REVSSH_CMINTERFACE_FAILURE"
				exit 127
			fi
		elif [ $BOX_TYPE = "XF3" ]; then
			# PACE XF3 and PACE CFG3
			CM_IP=`ifconfig $CMINTERFACE | grep inet6 | tr -s " " | grep -v Link | cut -d " " -f4 | cut -d "/" -f1 | head -n1`
			if [ -z "$CM_IP" ]; then
				CM_IP=`ifconfig $CMINTERFACE | grep "inet addr" | awk '/inet/{print $2}'  | cut -f2 -d: | head -n1`
			fi
		else
			CM_IP=`getCMIPAddress`
		fi #if [ "$MANUFACTURE" = "Technicolor" -a "$BOX_TYPE" != "XB3" ]; then
	     fi #if [ -f "/nvram/ETHWAN_ENABLE" ];then
             # Replace CM_IP with value
             args=`echo $* | sed "s/CM_IP/$CM_IP/g"`
             if [ ! -f /usr/bin/GetConfigFile ];then
                 echo "Error: GetConfigFile Not Found"
                 t2CountNotify "REVSSH_GETCONFIGFILE_FAILURE"
                 exit 127
             fi
             if [ -f /var/tmp/rssh.pid ];then
                     REVSSH_PID1=`cat /var/tmp/rssh.pid `
             else
                     REVSSH_PID1=""
             fi
             GetConfigFile /tmp/nvgeajacl.ipe stdout | /usr/bin/ssh -i /dev/stdin $args &
             sleep 10
             REVSSH_PID2=`cat /var/tmp/rssh.pid `
             if [ -z "$REVSSH_PID2" ] ||[ "$REVSSH_PID1" == "$REVSSH_PID2" ]; then
                     echo "SSH Tunnel failure. "
                     t2CountNotify "REVSSH_FAILURE"
             else
                     echo " SSH Tunnel success. "
                     t2CountNotify "REVSSH_SUCCESS"
             fi
             exit 1
             ;;
           stop)
             cat /var/tmp/rssh.pid |xargs kill -9
             rm /var/tmp/rssh.pid
             exit 1
             ;;
           *)
             usage
             exit 1
esac