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Detect nftables/iptables-legacy and switch ubuntu alternatives as needed #22

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Detect nftables/iptables-legacy and switch ubuntu alternatives as needed #22

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60f6e03
Detect nftables/iptables-legacy and switch ubuntu alternatives as needed
apschultz Oct 5, 2024
606d845
Simplify checking since we're not logging individual actions/values
apschultz Oct 6, 2024
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16 changes: 16 additions & 0 deletions fs/etc/services.d/nordvpn/run
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Original file line number Diff line number Diff line change
@@ -1,5 +1,21 @@
#!/bin/bash

legacy_supported=$(lsmod | grep ip_tables >/dev/null 2>&1 && echo yes || echo no)
nft_supported=$(lsmod | grep nf_tables >/dev/null 2>&1 && echo yes || echo no)
if [ x$IPTABLES = xlegacy ] ; then
if [ x$legacy_supported = xyes ] ; then
update-alternatives --set iptables /usr/sbin/iptables-legacy
else
update-alternatives --set iptables /usr/sbin/iptables-nft
fi
else
if [ x$nft_supported = xyes ] ; then
update-alternatives --set iptables /usr/sbin/iptables-nft
else
update-alternatives --set iptables /usr/sbin/iptables-legacy
fi
fi

if [[ ! -d /run/nordvpn ]]; then
mkdir -m 0770 /run/nordvpn
fi
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