1 #!/bin/bash
2 # SPDX-License-Identifier: GPL-2.0
3 #
4 # Testing For SCTP VRF.
5 # TOPO: CLIENT_NS1 (veth1) <---> (veth1) -> vrf_s1
6 # SERVER_NS
7 # CLIENT_NS2 (veth1) <---> (veth2) -> vrf_s2
8
9 source lib.sh
10 CLIENT_IP4="10.0.0.1"
11 CLIENT_IP6="2000::1"
12 CLIENT_PORT=1234
13
14 SERVER_IP4="10.0.0.2"
15 SERVER_IP6="2000::2"
16 SERVER_PORT=1234
17
18 setup() {
19 modprobe sctp
20 modprobe sctp_diag
21 setup_ns CLIENT_NS1 CLIENT_NS2 SERVER_NS
22
23 ip net exec $CLIENT_NS1 sysctl -w net.ipv6.conf.default.accept_dad=0 2>&1 >/dev/null
24 ip net exec $CLIENT_NS2 sysctl -w net.ipv6.conf.default.accept_dad=0 2>&1 >/dev/null
25 ip net exec $SERVER_NS sysctl -w net.ipv6.conf.default.accept_dad=0 2>&1 >/dev/null
26
27 ip -n $SERVER_NS link add veth1 type veth peer name veth1 netns $CLIENT_NS1
28 ip -n $SERVER_NS link add veth2 type veth peer name veth1 netns $CLIENT_NS2
29
30 ip -n $CLIENT_NS1 link set veth1 up
31 ip -n $CLIENT_NS1 addr add $CLIENT_IP4/24 dev veth1
32 ip -n $CLIENT_NS1 addr add $CLIENT_IP6/24 dev veth1
33
34 ip -n $CLIENT_NS2 link set veth1 up
35 ip -n $CLIENT_NS2 addr add $CLIENT_IP4/24 dev veth1
36 ip -n $CLIENT_NS2 addr add $CLIENT_IP6/24 dev veth1
37
38 ip -n $SERVER_NS link add dummy1 type dummy
39 ip -n $SERVER_NS link set dummy1 up
40 ip -n $SERVER_NS link add vrf-1 type vrf table 10
41 ip -n $SERVER_NS link add vrf-2 type vrf table 20
42 ip -n $SERVER_NS link set vrf-1 up
43 ip -n $SERVER_NS link set vrf-2 up
44 ip -n $SERVER_NS link set veth1 master vrf-1
45 ip -n $SERVER_NS link set veth2 master vrf-2
46
47 ip -n $SERVER_NS addr add $SERVER_IP4/24 dev dummy1
48 ip -n $SERVER_NS addr add $SERVER_IP4/24 dev veth1
49 ip -n $SERVER_NS addr add $SERVER_IP4/24 dev veth2
50 ip -n $SERVER_NS addr add $SERVER_IP6/24 dev dummy1
51 ip -n $SERVER_NS addr add $SERVER_IP6/24 dev veth1
52 ip -n $SERVER_NS addr add $SERVER_IP6/24 dev veth2
53
54 ip -n $SERVER_NS link set veth1 up
55 ip -n $SERVER_NS link set veth2 up
56 ip -n $SERVER_NS route add table 10 $CLIENT_IP4 dev veth1 src $SERVER_IP4
57 ip -n $SERVER_NS route add table 20 $CLIENT_IP4 dev veth2 src $SERVER_IP4
58 ip -n $SERVER_NS route add $CLIENT_IP4 dev veth1 src $SERVER_IP4
59 ip -n $SERVER_NS route add table 10 $CLIENT_IP6 dev veth1 src $SERVER_IP6
60 ip -n $SERVER_NS route add table 20 $CLIENT_IP6 dev veth2 src $SERVER_IP6
61 ip -n $SERVER_NS route add $CLIENT_IP6 dev veth1 src $SERVER_IP6
62 }
63
64 cleanup() {
65 ip netns exec $SERVER_NS pkill sctp_hello 2>&1 >/dev/null
66 cleanup_ns $CLIENT_NS1 $CLIENT_NS2 $SERVER_NS
67 }
68
69 wait_server() {
70 local IFACE=$1
71 local CNT=0
72
73 until ip netns exec $SERVER_NS ss -lS src $SERVER_IP:$SERVER_PORT | \
74 grep LISTEN | grep "$IFACE" 2>&1 >/dev/null; do
75 [ $((CNT++)) = "20" ] && { RET=3; return $RET; }
76 sleep 0.1
77 done
78 }
79
80 do_test() {
81 local CLIENT_NS=$1
82 local IFACE=$2
83
84 ip netns exec $SERVER_NS pkill sctp_hello 2>&1 >/dev/null
85 ip netns exec $SERVER_NS ./sctp_hello server $AF $SERVER_IP \
86 $SERVER_PORT $IFACE 2>&1 >/dev/null &
87 disown
88 wait_server $IFACE || return $RET
89 timeout 3 ip netns exec $CLIENT_NS ./sctp_hello client $AF \
90 $SERVER_IP $SERVER_PORT $CLIENT_IP $CLIENT_PORT 2>&1 >/dev/null
91 RET=$?
92 return $RET
93 }
94
95 do_testx() {
96 local IFACE1=$1
97 local IFACE2=$2
98
99 ip netns exec $SERVER_NS pkill sctp_hello 2>&1 >/dev/null
100 ip netns exec $SERVER_NS ./sctp_hello server $AF $SERVER_IP \
101 $SERVER_PORT $IFACE1 2>&1 >/dev/null &
102 disown
103 wait_server $IFACE1 || return $RET
104 ip netns exec $SERVER_NS ./sctp_hello server $AF $SERVER_IP \
105 $SERVER_PORT $IFACE2 2>&1 >/dev/null &
106 disown
107 wait_server $IFACE2 || return $RET
108 timeout 3 ip netns exec $CLIENT_NS1 ./sctp_hello client $AF \
109 $SERVER_IP $SERVER_PORT $CLIENT_IP $CLIENT_PORT 2>&1 >/dev/null && \
110 timeout 3 ip netns exec $CLIENT_NS2 ./sctp_hello client $AF \
111 $SERVER_IP $SERVER_PORT $CLIENT_IP $CLIENT_PORT 2>&1 >/dev/null
112 RET=$?
113 return $RET
114 }
115
116 testup() {
117 ip netns exec $SERVER_NS sysctl -w net.sctp.l3mdev_accept=1 2>&1 >/dev/null
118 echo -n "TEST 01: nobind, connect from client 1, l3mdev_accept=1, Y "
119 do_test $CLIENT_NS1 || { echo "[FAIL]"; return $RET; }
120 echo "[PASS]"
121
122 echo -n "TEST 02: nobind, connect from client 2, l3mdev_accept=1, N "
123 do_test $CLIENT_NS2 && { echo "[FAIL]"; return $RET; }
124 echo "[PASS]"
125
126 ip netns exec $SERVER_NS sysctl -w net.sctp.l3mdev_accept=0 2>&1 >/dev/null
127 echo -n "TEST 03: nobind, connect from client 1, l3mdev_accept=0, N "
128 do_test $CLIENT_NS1 && { echo "[FAIL]"; return $RET; }
129 echo "[PASS]"
130
131 echo -n "TEST 04: nobind, connect from client 2, l3mdev_accept=0, N "
132 do_test $CLIENT_NS2 && { echo "[FAIL]"; return $RET; }
133 echo "[PASS]"
134
135 echo -n "TEST 05: bind veth2 in server, connect from client 1, N "
136 do_test $CLIENT_NS1 veth2 && { echo "[FAIL]"; return $RET; }
137 echo "[PASS]"
138
139 echo -n "TEST 06: bind veth1 in server, connect from client 1, Y "
140 do_test $CLIENT_NS1 veth1 || { echo "[FAIL]"; return $RET; }
141 echo "[PASS]"
142
143 echo -n "TEST 07: bind vrf-1 in server, connect from client 1, Y "
144 do_test $CLIENT_NS1 vrf-1 || { echo "[FAIL]"; return $RET; }
145 echo "[PASS]"
146
147 echo -n "TEST 08: bind vrf-2 in server, connect from client 1, N "
148 do_test $CLIENT_NS1 vrf-2 && { echo "[FAIL]"; return $RET; }
149 echo "[PASS]"
150
151 echo -n "TEST 09: bind vrf-2 in server, connect from client 2, Y "
152 do_test $CLIENT_NS2 vrf-2 || { echo "[FAIL]"; return $RET; }
153 echo "[PASS]"
154
155 echo -n "TEST 10: bind vrf-1 in server, connect from client 2, N "
156 do_test $CLIENT_NS2 vrf-1 && { echo "[FAIL]"; return $RET; }
157 echo "[PASS]"
158
159 echo -n "TEST 11: bind vrf-1 & 2 in server, connect from client 1 & 2, Y "
160 do_testx vrf-1 vrf-2 || { echo "[FAIL]"; return $RET; }
161 echo "[PASS]"
162
163 echo -n "TEST 12: bind vrf-2 & 1 in server, connect from client 1 & 2, N "
164 do_testx vrf-2 vrf-1 || { echo "[FAIL]"; return $RET; }
165 echo "[PASS]"
166 }
167
168 trap cleanup EXIT
169 setup && echo "Testing For SCTP VRF:" && \
170 CLIENT_IP=$CLIENT_IP4 SERVER_IP=$SERVER_IP4 AF="-4" testup && echo "***v4 Tests Done***" &&
171 CLIENT_IP=$CLIENT_IP6 SERVER_IP=$SERVER_IP6 AF="-6" testup && echo "***v6 Tests Done***"
172 exit $?
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