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added group isolation for vpns

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root 2020-04-07 01:35:51 -04:00
parent 72ea645e34
commit ba96edbd7b
1 changed files with 10 additions and 2 deletions
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12
script.sh.template
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@ -7,15 +7,23 @@ if [ $(cat /etc/iproute2/rt_tables | grep {{route_table_name}} | wc -l) -eq 0 ];
echo "{{route_table_id}} {{route_table_name}}" >> /etc/iproute2/rt_tables
fi
# create group if it does not exist
if [ $(getent group|grep {{route_table_name}} | wc -l) -eq 0 ]; then
groupadd {{route_table_name}}
fi
iptables -t mangle -I OUTPUT -m owner --gid-owner {{route_table_name}} -j MARK --set-mark {{route_table_id}}
iptables -t nat -I POSTROUTING -m owner --gid-owner {{route_table_name}} -o ${dev} -j MASQUERADE
# populate route table
ip route flush table {{route_table_name}}
ip route add ${route_vpn_gateway} dev ${dev} src ${ifconfig_local} table {{route_table_name}}
ip route add default via ${route_vpn_gateway} table {{route_table_name}}
ip route add 192.168.122.0/24 via 192.168.122.1 dev enp1s0 table {{route_table_name}}
# add vpn_gateway to main route table
ip route add ${route_vpn_gateway} dev ${dev} src ${ifconfig_local}
ip rule add fwmark {{route_table_id}} table {{route_table_name}} pref {{rule_pref}}
#ip rule add from ${ifconfig_local} table {{route_table_name}} pref {{rule_pref}}
iptables -I OUTPUT -m mark --mark {{route_table_id}} -j ACCEPT
exit 0