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#!/bin/bash
set -e
#set -x
# there is no legacy backend to test
[[ $XT_MULTI == */xtables-nft-multi ]] || { echo "skip $XT_MULTI"; exit 0; }
# fill arptables manually
$XT_MULTI arptables -F
$XT_MULTI arptables -A INPUT -s 10.0.0.0/8 -j ACCEPT
$XT_MULTI arptables -A INPUT -d 192.168.123.1 -j ACCEPT
#$XT_MULTI arptables -A INPUT --source-mac fe:ed:ba:be:00:01 -j ACCEPT
#$XT_MULTI arptables -A INPUT --destination-mac fe:ed:ba:be:00:01 -j ACCEPT
$XT_MULTI arptables -N foo
$XT_MULTI arptables -A foo -i lo -j ACCEPT
$XT_MULTI arptables -A foo -l 6 -j ACCEPT
$XT_MULTI arptables -A foo --opcode Request -j ACCEPT
$XT_MULTI arptables -A foo --h-type 1 --proto-type 0x800 -j ACCEPT
$XT_MULTI arptables -A foo -l 6 --h-type 1 --proto-type 0x800 -i lo --opcode Request -j ACCEPT
$XT_MULTI arptables -A INPUT -j foo
$XT_MULTI arptables -A INPUT
$XT_MULTI arptables -A OUTPUT -o lo -j ACCEPT
$XT_MULTI arptables -A OUTPUT -o eth134 -j mangle --mangle-ip-s 10.0.0.1
$XT_MULTI arptables -A OUTPUT -o eth432 -j CLASSIFY --set-class feed:babe
$XT_MULTI arptables -A OUTPUT -o eth432 --opcode Request -j CLASSIFY --set-class feed:babe
$XT_MULTI arptables -P OUTPUT DROP
# compare against stored arptables dump
DUMP='*filter
:INPUT ACCEPT
:OUTPUT DROP
:foo -
-A INPUT -s 10.0.0.0/8 -j ACCEPT
-A INPUT -d 192.168.123.1 -j ACCEPT
-A INPUT -j foo
-A INPUT
-A OUTPUT -o lo -j ACCEPT
-A OUTPUT -o eth134 -j mangle --mangle-ip-s 10.0.0.1
-A OUTPUT -o eth432 -j CLASSIFY --set-class feed:babe
-A OUTPUT -o eth432 --opcode 1 -j CLASSIFY --set-class feed:babe
-A foo -i lo -j ACCEPT
-A foo --h-length 6 -j ACCEPT
-A foo --opcode 1 -j ACCEPT
-A foo --h-type 1 --proto-type 0x800 -j ACCEPT
-A foo -i lo --h-length 6 --opcode 1 --h-type 1 --proto-type 0x800 -j ACCEPT
'
diff -u <(echo -e "$DUMP") <($XT_MULTI arptables-save)
# make sure dump can be restored and check it didn't change
$XT_MULTI arptables -F
$XT_MULTI arptables-restore <<<$DUMP
diff -u <(echo -e "$DUMP") <($XT_MULTI arptables-save)
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