wg-quick: linux: try both iptables(8) and nft(8) on teardown

Daniel argues that technically a package manager could install nft(8)
after previously having started wg-quick(8) using iptables(8).

Suggested-by: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld 2019-12-12 17:24:04 +01:00
parent 45417c5c0d
commit 6fbfa0d7bb
1 changed files with 2 additions and 1 deletions

View File

@ -188,7 +188,8 @@ remove_firewall() {
[[ $table == *" wg-quick-$INTERFACE" ]] && printf -v nftcmd '%sdelete %s\n' "$nftcmd" "$table"
done < <(nft list tables 2>/dev/null)
[[ -z $nftcmd ]] || cmd nft -f <(echo -n "$nftcmd")
else
fi
if type -p iptables >/dev/null; then
local line iptables found restore
for iptables in iptables ip6tables; do
restore="" found=0