36 lines
1.5 KiB
SYSTEMD
36 lines
1.5 KiB
SYSTEMD
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[Unit]
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Description='share internet'
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Conflicts=dnsmasq.service
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Wants=network.target
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Before=network.target
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BindsTo=sys-subsystem-net-devices-%i.device
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After=sys-subsystem-net-devices-%i.device
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[Service]
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Type=simple
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EnvironmentFile=/etc/conf.d/share-internet@%i
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ExecStartPre=/usr/bin/dnsmasq --test
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ExecStartPre=/usr/bin/iptables -t nat -A POSTROUTING -o $EXTERNAL_DEVICE -j MASQUERADE
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ExecStartPre=/usr/bin/ip6tables -t nat -A POSTROUTING -o $EXTERNAL_DEVICE -j MASQUERADE
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ExecStartPre=/usr/bin/sysctl -w net.ipv4.ip_forward=1 net.ipv6.conf.all.forwarding=1
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ExecStartPre=/usr/bin/ip link set %i up
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ExecStartPre=/usr/bin/ip addr add ${IP4_ADDRESS}/${IP4_NETMASK} dev %i
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ExecStartPre=/usr/bin/ip addr add ${IP6_ADDRESS}/${IP4_NETMASK} dev %i
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ExecStart=/usr/bin/dnsmasq -k --user=dnsmasq --pid-file \
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--conf-file=/etc/dnsmasq.conf \
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--interface=%i \
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--dhcp-range=${IP4_SUBNET},infinite \
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--dhcp-range=${IP6_SUBNET},ra-stateless,ra-names,infinite \
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--dhcp-option=3,${IP4_ADDRESS} \
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--dhcp-option=5,${IP4_ADDRESS} \
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--enable-ra \
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--no-daemon
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ExecReload=/bin/kill -HUP $MAINPID
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ExecStopPost=/usr/bin/ip addr flush dev %i
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ExecStopPost=/usr/bin/ip link set %i down
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ExecStopPost=/usr/bin/sysctl -w net.ipv4.ip_forward=0 net.ipv6.conf.all.forwarding=0
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ExecStopPost=/usr/bin/iptables -t nat -D POSTROUTING -o $EXTERNAL_DEVICE -j MASQUERADE
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ExecStopPost=/usr/bin/ip6tables -t nat -D POSTROUTING -o $EXTERNAL_DEVICE -j MASQUERADE
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