Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3
4source lib.sh
5
6IP4=172.16.0.1/24
7TGT4=172.16.0.2
8IP6=2001:db8:1::1/64
9TGT6=2001:db8:1::2
10MARK=1000
11
12cleanup()
13{
14 cleanup_ns $NS
15}
16
17trap cleanup EXIT
18
19# Namespaces
20setup_ns NS
21
22ip netns exec $NS sysctl -w net.ipv4.ping_group_range='0 2147483647' > /dev/null
23
24# Connectivity
25ip -netns $NS link add type dummy
26ip -netns $NS link set dev dummy0 up
27ip -netns $NS addr add $IP4 dev dummy0
28ip -netns $NS addr add $IP6 dev dummy0
29
30ip -netns $NS rule add fwmark $MARK lookup 300
31ip -6 -netns $NS rule add fwmark $MARK lookup 300
32ip -netns $NS route add prohibit any table 300
33ip -6 -netns $NS route add prohibit any table 300
34
35# Test
36BAD=0
37TOTAL=0
38
39check_result() {
40 ((TOTAL++))
41 if [ $1 -ne $2 ]; then
42 echo " Case $3 returned $1, expected $2"
43 ((BAD++))
44 fi
45}
46
47for ovr in setsock cmsg both; do
48 for i in 4 6; do
49 [ $i == 4 ] && TGT=$TGT4 || TGT=$TGT6
50
51 for p in u i r; do
52 [ $p == "u" ] && prot=UDP
53 [ $p == "i" ] && prot=ICMP
54 [ $p == "r" ] && prot=RAW
55
56 [ $ovr == "setsock" ] && m="-M"
57 [ $ovr == "cmsg" ] && m="-m"
58 [ $ovr == "both" ] && m="-M $MARK -m"
59
60 ip netns exec $NS ./cmsg_sender -$i -p $p $m $((MARK + 1)) $TGT 1234
61 check_result $? 0 "$prot $ovr - pass"
62
63 [ $ovr == "diff" ] && m="-M $((MARK + 1)) -m"
64
65 ip netns exec $NS ./cmsg_sender -$i -p $p $m $MARK -s $TGT 1234
66 check_result $? 1 "$prot $ovr - rejection"
67 done
68 done
69done
70
71# Summary
72if [ $BAD -ne 0 ]; then
73 echo "FAIL - $BAD/$TOTAL cases failed"
74 exit 1
75else
76 echo "OK"
77 exit 0
78fi