78 lines
3.9 KiB
Bash
Executable File
78 lines
3.9 KiB
Bash
Executable File
#!/bin/bash
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# BSD 2-Clause License
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# Copyright (c) 2020, Supreeth Herle
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# All rights reserved.
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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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# 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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# 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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# 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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export LC_ALL=C.UTF-8
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export LANG=C.UTF-8
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export IP_ADDR=$(awk 'END{print $1}' /etc/hosts)
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export IF_NAME=$(ip r | awk '/default/ { print $5 }')
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# use nftables instead of iptables
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update-alternatives --set iptables `which iptables-nft`
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update-alternatives --set ip6tables `which ip6tables-nft`
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# Remove UPF Interfaces if they exist
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ip link delete $UPF_INTERNET_APN_IF_NAME 2>/dev/null
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ip link delete $UPF_IMS_APN_IF_NAME 2>/dev/null
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# Validate interface names based on UPF_TUNTAP_MODE
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if [ "$UPF_TUNTAP_MODE" = "tap" ]; then
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if [[ "$UPF_INTERNET_APN_IF_NAME" != *"tap"* ]] || [[ "$UPF_IMS_APN_IF_NAME" != *"tap"* ]]; then
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echo "Error: When UPF_TUNTAP_MODE is 'tap', both UPF_INTERNET_APN_IF_NAME and UPF_IMS_APN_IF_NAME must contain 'tap'"
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exit 1
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fi
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elif [ "$UPF_TUNTAP_MODE" = "tun" ]; then
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if [[ "$UPF_INTERNET_APN_IF_NAME" == *"tap"* ]] || [[ "$UPF_IMS_APN_IF_NAME" == *"tap"* ]]; then
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echo "Error: When UPF_TUNTAP_MODE is 'tun', UPF_INTERNET_APN_IF_NAME and UPF_IMS_APN_IF_NAME must not contain 'tap'"
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exit 1
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fi
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else
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echo "Error: UPF_TUNTAP_MODE must be either 'tap' or 'tun'"
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exit 1
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fi
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python3 /mnt/upf/tun_if.py --tun_ifname $UPF_INTERNET_APN_IF_NAME --tun_ifmode $UPF_TUNTAP_MODE --ipv4_range $UE_IPV4_INTERNET --ipv6_range 2001:230:cafe::/48
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python3 /mnt/upf/tun_if.py --tun_ifname $UPF_IMS_APN_IF_NAME --tun_ifmode $UPF_TUNTAP_MODE --ipv4_range $UE_IPV4_IMS --ipv6_range 2001:230:babe::/48 --nat_rule 'no'
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UE_IPV4_INTERNET_APN_GATEWAY_IP=$(python3 /mnt/upf/ip_utils.py --ip_range $UE_IPV4_INTERNET)
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UE_IPV4_IMS_TUN_IP=$(python3 /mnt/upf/ip_utils.py --ip_range $UE_IPV4_IMS)
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cp /mnt/upf/upf.yaml install/etc/open5gs
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sed -i 's|UPF_IP|'$UPF_IP'|g' install/etc/open5gs/upf.yaml
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sed -i 's|SMF_IP|'$SMF_IP'|g' install/etc/open5gs/upf.yaml
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sed -i 's|UE_IPV4_INTERNET_APN_GATEWAY_IP|'$UE_IPV4_INTERNET_APN_GATEWAY_IP'|g' install/etc/open5gs/upf.yaml
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sed -i 's|UE_IPV4_INTERNET_APN_SUBNET|'$UE_IPV4_INTERNET'|g' install/etc/open5gs/upf.yaml
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sed -i 's|UE_IPV4_IMS_TUN_IP|'$UE_IPV4_IMS_TUN_IP'|g' install/etc/open5gs/upf.yaml
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sed -i 's|UE_IPV4_IMS_SUBNET|'$UE_IPV4_IMS'|g' install/etc/open5gs/upf.yaml
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sed -i 's|UPF_ADVERTISE_IP|'$UPF_ADVERTISE_IP'|g' install/etc/open5gs/upf.yaml
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sed -i 's|MAX_NUM_UE|'$MAX_NUM_UE'|g' install/etc/open5gs/upf.yaml
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sed -i 's|UPF_INTERNET_APN_IF_NAME|'$UPF_INTERNET_APN_IF_NAME'|g' install/etc/open5gs/upf.yaml
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sed -i 's|UPF_IMS_APN_IF_NAME|'$UPF_IMS_APN_IF_NAME'|g' install/etc/open5gs/upf.yaml
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# Sync docker time
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#ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
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