25 lines
655 B
Bash
Executable File
25 lines
655 B
Bash
Executable File
#!/bin/sh
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addrule()
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{
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if [ $FIRSTONE = yes ] ; then
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FIRSTONE=no
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RULE1="-A PREROUTING -d $NS1 -p udp --dport 53 -j DNAT --to $1"
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else
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RULE2="-A PREROUTING -d $NS2 -p udp --dport 53 -j DNAT --to $1"
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NS=$NS2
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fi
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}
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export PATH=$PATH:/sbin:/bin
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source /var/run/qubes_ns
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if [ "X"$NS1 = "X" ] ; then exit ; fi
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iptables -t nat -F PREROUTING
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FIRSTONE=yes
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grep ^nameserver /etc/resolv.conf | head -2 |
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(
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while read x y z ; do
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addrule "$y"
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done
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(echo "*nat"; echo $RULE1; echo $RULE2; echo COMMIT) | iptables-restore -n
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)
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