58 lines
1.8 KiB
Django/Jinja
58 lines
1.8 KiB
Django/Jinja
#!/bin/sh
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curl -X POST --data-urlencode 'payload={"text": "{{ sn_hostname }} is rebooted", "channel": "#technik", "username": "{{ sn_hostname }}", "icon_emoji": ":floppy_disk:"}' https://hooks.slack.com/services/{{ slack_token }}
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# Block RFC1918 and APIPA destination via WAN
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/sbin/iptables -P OUTPUT ACCEPT
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for i in 10.0.0.0/8 172.16.0.0/12 169.254.0.0/16 192.168.0.0/16; do
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/sbin/iptables -A OUTPUT -o eth0 -d $i -j DROP
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done
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# Activate IP forwarding
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/sbin/sysctl -w net.ipv6.conf.all.forwarding=1
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/sbin/sysctl -w net.ipv4.ip_forward=1
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# restart when kernel panic
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/sbin/sysctl kernel.panic=1
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# Stop tunneldigger until bat0 is up
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/usr/sbin/service tunneldigger stop
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# Routing table 42
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/bin/grep 42 /etc/iproute2/rt_tables || /bin/echo 42 ffrl >> /etc/iproute2/rt_tables
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# Set table for traffice with mark 4
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/bin/ip rule add fwmark 0x4 table 42
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/bin/ip -6 rule add fwmark 0x4 table 42
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# Set mark 4 to Freifunk traffic
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/sbin/iptables -t mangle -A PREROUTING -s 10.0.0.0/8 ! -d 10.0.0.0/8 -j MARK --set-mark 4
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/sbin/ip6tables -t mangle -A PREROUTING -s 2a03:2260:121::/48 ! -d 2a03:2260:121::/48 -j MARK --set-mark 4
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/sbin/ip6tables -t mangle -A PREROUTING -s 2a03:2260:121::/64 ! -d 2a03:2260:121::/64 -j MARK --set-mark 4
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# NAT on eth0
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/sbin/iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
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# All from FF IPv4 via routing table 42
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/bin/ip rule add from 185.66.193.104/30 lookup 42
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/bin/ip -6 rule add from 2a03:2260:121::/64 lookup 42
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# Allow MAC address spoofing
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/sbin/sysctl net.ipv4.conf.bat0.rp_filter=0
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sleep 5
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# Start tunneldigger
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/bin/systemctl restart tunneldigger
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/bin/systemctl enable tunneldigger
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# radvd restart
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/bin/systemctl restart radvd
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/bin/systemctl enable radvd
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# restart DHCP
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/bin/systemctl restart isc-dhcp-server
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/bin/systemctl enable isc-dhcp-server
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exit 0
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