blob: aa70037fec14b4dd4e1af927e679d8c471f45894 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
#!/bin/bash
set -e
MAX_JUMPS=16
$NFT add table t
$NFT add chain t c1 { type filter hook input priority 0\; }
for i in $(seq 2 $MAX_JUMPS)
do
$NFT add chain t c${i}
done
for i in $(seq 1 $((MAX_JUMPS - 1)))
do
$NFT add rule t c${i} jump c$((i + 1))
done
# this last jump should fail: too many links
$NFT add chain t c$((MAX_JUMPS + 1))
$NFT add rule t c${MAX_JUMPS} jump c$((MAX_JUMPS + 1)) 2>/dev/null || exit 0
echo "E: max jumps ignored?" >&2
exit 1
|
