* Introducing UE_IPV4_INTERNET/IMS variable
{Added} Introducing UE_IPV4_INTERNET/IMS variable and some minor changes to readme and DOCKER_HOST_IP
* Introducing UE_IPV4_INTERNET/IMS variable
Fixing Requested changes
		
	
		
			
				
	
	
		
			93 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			93 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
| #!/bin/bash
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| 
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| # BSD 2-Clause License
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| 
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| # Copyright (c) 2020, Supreeth Herle
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| # All rights reserved.
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| 
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| # Redistribution and use in source and binary forms, with or without
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| # modification, are permitted provided that the following conditions are met:
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| 
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| # 1. Redistributions of source code must retain the above copyright notice, this
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| #    list of conditions and the following disclaimer.
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| 
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| # 2. Redistributions in binary form must reproduce the above copyright notice,
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| #    this list of conditions and the following disclaimer in the documentation
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| #    and/or other materials provided with the distribution.
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| 
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| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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| # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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| # DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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| # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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| # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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| # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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| # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 
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| set -x
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| RUNTIME=${1:-rtpengine}
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| 
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| if lsmod | grep xt_RTPENGINE || modprobe xt_RTPENGINE; then
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| 	echo "rtpengine kernel module already loaded."
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| else
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| 	modprobe xt_RTPENGINE
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| fi
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| 
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| # Populate options of the rtpengine cli command
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| [ -z "$INTERFACE" ] && INTERFACE="$(awk 'END{print $1}' /etc/hosts)"
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| [ -z "$TABLE" ] && TABLE="0"
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| [ -z "$LISTEN_NG" ] && LISTEN_NG="$(awk 'END{print $1}' /etc/hosts):2223"
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| [ -z "$PORT_MIN" ] && PORT_MIN="30000"
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| [ -z "$PORT_MAX" ] && PORT_MAX="40000"
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| [ -z "$TOS" ] && TOS="184"
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| [ -z "$PIDFILE" ] && PIDFILE="/run/ngcp-rtpengine-daemon.pid"
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| 
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| LISTEN_CLI="$(awk 'END{print $1}' /etc/hosts):9901"
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| 
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| OPTIONS=""
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| OPTIONS="$OPTIONS --interface=$INTERFACE --listen-ng=$LISTEN_NG --listen-cli=$LISTEN_CLI --pidfile=$PIDFILE --port-min=$PORT_MIN --port-max=$PORT_MAX "
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| OPTIONS="$OPTIONS --table=$TABLE  --tos=$TOS --foreground"
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| 
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| if test "$NO_FALLBACK" = "yes" ; then
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| 	OPTIONS="$OPTIONS --no-fallback"
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| fi
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| 
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| # Sync docker time
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| #ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
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| 
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| set +e
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| if [ -e /proc/rtpengine/control ]; then
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| 	echo "del $TABLE" > /proc/rtpengine/control 2>/dev/null
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| fi
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| # Freshly add the iptables rules to forward the udp packets to the iptables-extension "RTPEngine":
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| # Remember iptables table = chains, rules stored in the chains
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| # -N (create a new chain with the name rtpengine)
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| iptables -N rtpengine 2> /dev/null
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| 
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| # -D: Delete the rule for the target "rtpengine" if exists. -j (target): chain name or extension name
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| # from the table "filter" (the default -without the option '-t')
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| iptables -D INPUT -j rtpengine 2> /dev/null
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| # Add the rule again so the packets will go to rtpengine chain after the (filter-INPUT) hook point.
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| iptables -I INPUT -j rtpengine
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| # Delete and Insert a rule in the rtpengine chain to forward the UDP traffic
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| iptables -D rtpengine -p udp -j RTPENGINE --id "$TABLE" 2>/dev/null
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| iptables -I rtpengine -p udp -j RTPENGINE --id "$TABLE"
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| iptables-save > /etc/iptables.rules
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| 
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| # The same for IPv6
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| ip6tables -N rtpengine 2> /dev/null
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| ip6tables -D INPUT -j rtpengine 2> /dev/null
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| ip6tables -I INPUT -j rtpengine
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| ip6tables -D rtpengine -p udp -j RTPENGINE --id "$TABLE" 2>/dev/null
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| ip6tables -I rtpengine -p udp -j RTPENGINE --id "$TABLE"
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| ip6tables-save > /etc/ip6tables.rules
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| 
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| # Add static route to route traffic back to UE as there is not NATing
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| ip r add ${UE_IPV4_IMS} via ${UPF_IP}
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| 
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| set -x
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| 
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| exec $RUNTIME $OPTIONS
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