tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3
4# This test is for checking IPv4 and IPv6 FIB rules API
5
6ret=0
7
8PAUSE_ON_FAIL=${PAUSE_ON_FAIL:=no}
9IP="ip -netns testns"
10
11RTABLE=100
12GW_IP4=192.51.100.2
13SRC_IP=192.51.100.3
14GW_IP6=2001:db8:1::2
15SRC_IP6=2001:db8:1::3
16
17DEV_ADDR=192.51.100.1
18DEV=dummy0
19
20log_test()
21{
22 local rc=$1
23 local expected=$2
24 local msg="$3"
25
26 if [ ${rc} -eq ${expected} ]; then
27 nsuccess=$((nsuccess+1))
28 printf "\n TEST: %-50s [ OK ]\n" "${msg}"
29 else
30 nfail=$((nfail+1))
31 printf "\n TEST: %-50s [FAIL]\n" "${msg}"
32 if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
33 echo
34 echo "hit enter to continue, 'q' to quit"
35 read a
36 [ "$a" = "q" ] && exit 1
37 fi
38 fi
39}
40
41log_section()
42{
43 echo
44 echo "######################################################################"
45 echo "TEST SECTION: $*"
46 echo "######################################################################"
47}
48
49setup()
50{
51 set -e
52 ip netns add testns
53 $IP link set dev lo up
54
55 $IP link add dummy0 type dummy
56 $IP link set dev dummy0 up
57 $IP address add 198.51.100.1/24 dev dummy0
58 $IP -6 address add 2001:db8:1::1/64 dev dummy0
59
60 set +e
61}
62
63cleanup()
64{
65 $IP link del dev dummy0 &> /dev/null
66 ip netns del testns
67}
68
69fib_check_iproute_support()
70{
71 ip rule help 2>&1 | grep -q $1
72 if [ $? -ne 0 ]; then
73 echo "SKIP: iproute2 iprule too old, missing $1 match"
74 return 1
75 fi
76
77 ip route get help 2>&1 | grep -q $2
78 if [ $? -ne 0 ]; then
79 echo "SKIP: iproute2 get route too old, missing $2 match"
80 return 1
81 fi
82
83 return 0
84}
85
86fib_rule6_del()
87{
88 $IP -6 rule del $1
89 log_test $? 0 "rule6 del $1"
90}
91
92fib_rule6_del_by_pref()
93{
94 pref=$($IP -6 rule show | grep "$1 lookup $TABLE" | cut -d ":" -f 1)
95 $IP -6 rule del pref $pref
96}
97
98fib_rule6_test_match_n_redirect()
99{
100 local match="$1"
101 local getmatch="$2"
102
103 $IP -6 rule add $match table $RTABLE
104 $IP -6 route get $GW_IP6 $getmatch | grep -q "table $RTABLE"
105 log_test $? 0 "rule6 check: $1"
106
107 fib_rule6_del_by_pref "$match"
108 log_test $? 0 "rule6 del by pref: $match"
109}
110
111fib_rule6_test()
112{
113 # setup the fib rule redirect route
114 $IP -6 route add table $RTABLE default via $GW_IP6 dev $DEV onlink
115
116 match="oif $DEV"
117 fib_rule6_test_match_n_redirect "$match" "$match" "oif redirect to table"
118
119 match="from $SRC_IP6 iif $DEV"
120 fib_rule6_test_match_n_redirect "$match" "$match" "iif redirect to table"
121
122 match="tos 0x10"
123 fib_rule6_test_match_n_redirect "$match" "$match" "tos redirect to table"
124
125 match="fwmark 0x64"
126 getmatch="mark 0x64"
127 fib_rule6_test_match_n_redirect "$match" "$getmatch" "fwmark redirect to table"
128
129 fib_check_iproute_support "uidrange" "uid"
130 if [ $? -eq 0 ]; then
131 match="uidrange 100-100"
132 getmatch="uid 100"
133 fib_rule6_test_match_n_redirect "$match" "$getmatch" "uid redirect to table"
134 fi
135
136 fib_check_iproute_support "sport" "sport"
137 if [ $? -eq 0 ]; then
138 match="sport 666 dport 777"
139 fib_rule6_test_match_n_redirect "$match" "$match" "sport and dport redirect to table"
140 fi
141
142 fib_check_iproute_support "ipproto" "ipproto"
143 if [ $? -eq 0 ]; then
144 match="ipproto tcp"
145 fib_rule6_test_match_n_redirect "$match" "$match" "ipproto match"
146 fi
147
148 fib_check_iproute_support "ipproto" "ipproto"
149 if [ $? -eq 0 ]; then
150 match="ipproto icmp"
151 fib_rule6_test_match_n_redirect "$match" "$match" "ipproto icmp match"
152 fi
153}
154
155fib_rule4_del()
156{
157 $IP rule del $1
158 log_test $? 0 "del $1"
159}
160
161fib_rule4_del_by_pref()
162{
163 pref=$($IP rule show | grep "$1 lookup $TABLE" | cut -d ":" -f 1)
164 $IP rule del pref $pref
165}
166
167fib_rule4_test_match_n_redirect()
168{
169 local match="$1"
170 local getmatch="$2"
171
172 $IP rule add $match table $RTABLE
173 $IP route get $GW_IP4 $getmatch | grep -q "table $RTABLE"
174 log_test $? 0 "rule4 check: $1"
175
176 fib_rule4_del_by_pref "$match"
177 log_test $? 0 "rule4 del by pref: $match"
178}
179
180fib_rule4_test()
181{
182 # setup the fib rule redirect route
183 $IP route add table $RTABLE default via $GW_IP4 dev $DEV onlink
184
185 match="oif $DEV"
186 fib_rule4_test_match_n_redirect "$match" "$match" "oif redirect to table"
187
188 match="from $SRC_IP iif $DEV"
189 fib_rule4_test_match_n_redirect "$match" "$match" "iif redirect to table"
190
191 match="tos 0x10"
192 fib_rule4_test_match_n_redirect "$match" "$match" "tos redirect to table"
193
194 match="fwmark 0x64"
195 getmatch="mark 0x64"
196 fib_rule4_test_match_n_redirect "$match" "$getmatch" "fwmark redirect to table"
197
198 fib_check_iproute_support "uidrange" "uid"
199 if [ $? -eq 0 ]; then
200 match="uidrange 100-100"
201 getmatch="uid 100"
202 fib_rule4_test_match_n_redirect "$match" "$getmatch" "uid redirect to table"
203 fi
204
205 fib_check_iproute_support "sport" "sport"
206 if [ $? -eq 0 ]; then
207 match="sport 666 dport 777"
208 fib_rule4_test_match_n_redirect "$match" "$match" "sport and dport redirect to table"
209 fi
210
211 fib_check_iproute_support "ipproto" "ipproto"
212 if [ $? -eq 0 ]; then
213 match="ipproto tcp"
214 fib_rule4_test_match_n_redirect "$match" "$match" "ipproto tcp match"
215 fi
216
217 fib_check_iproute_support "ipproto" "ipproto"
218 if [ $? -eq 0 ]; then
219 match="ipproto icmp"
220 fib_rule4_test_match_n_redirect "$match" "$match" "ipproto icmp match"
221 fi
222}
223
224run_fibrule_tests()
225{
226 log_section "IPv4 fib rule"
227 fib_rule4_test
228 log_section "IPv6 fib rule"
229 fib_rule6_test
230}
231
232if [ "$(id -u)" -ne 0 ];then
233 echo "SKIP: Need root privileges"
234 exit 0
235fi
236
237if [ ! -x "$(command -v ip)" ]; then
238 echo "SKIP: Could not run test without ip tool"
239 exit 0
240fi
241
242# start clean
243cleanup &> /dev/null
244setup
245run_fibrule_tests
246cleanup
247
248exit $ret