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
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
#!/usr/bin/env atf-sh
#-
# SPDX-License-Identifier: BSD-2-Clause
#
# Copyright (c) 2020 Alexander V. Chernikov
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
#
. $(atf_get_srcdir)/../common/vnet.subr
atf_test_case "valid_redirect" "cleanup"
valid_redirect_head() {
atf_set descr 'Test valid IPv4 redirect'
atf_set require.user root
atf_set require.progs scapy
}
valid_redirect_body() {
ids=65533
id=`printf "%x" ${ids}`
if [ $$ -gt 65535 ]; then
xl=`printf "%x" $(($$ - 65535))`
yl="1"
else
xl=`printf "%x" $$`
yl=""
fi
vnet_init
ip4a="192.0.2.1"
ip4b="192.0.2.2"
net4="198.51.100.0/24"
dst_addr4="198.51.100.42"
# remote_rtr
remote_rtr_ip="192.0.2.3"
remote_rtr_mac="00:00:5E:00:53:42"
new_rtr_ip="192.0.2.4"
script_name="redirect.py"
epair=$(vnet_mkepair)
ifconfig ${epair}a up
ifconfig ${epair}a inet ${ip4a}/24
jname="v4t-${id}-${yl}-${xl}"
vnet_mkjail ${jname} ${epair}b
jexec ${jname} ifconfig ${epair}b up
jexec ${jname} ifconfig ${epair}b inet ${ip4b}/24
# Setup static entry for the remote router
jexec ${jname} arp -s ${remote_rtr_ip} ${remote_rtr_mac}
# setup prefix reachable via router
jexec ${jname} route add -4 -net ${net4} ${remote_rtr_ip}
local_ip=${ip4b}
local_mac=`jexec ${jname} ifconfig ${epair}b ether | awk '$1~/ether/{print$2}'`
# echo "LOCAL: ${local_ip} ${local_mac}"
# echo "REMOTE: ${remote_rtr_ip} ${remote_rtr_mac}"
atf_check -s exit:0 $(atf_get_srcdir)/${script_name} \
--smac ${remote_rtr_mac} --dmac ${local_mac} \
--sip ${remote_rtr_ip} --dip ${local_ip} \
--route ${dst_addr4} --gw ${new_rtr_ip} \
--iface ${epair}a
atf_check -o match:"destination: ${dst_addr4}\$" jexec ${jname} route -n get -4 ${dst_addr4}
atf_check -o match:'flags: <UP,GATEWAY,HOST,DYNAMIC,DONE>' jexec ${jname} route -n get -4 ${dst_addr4}
}
valid_redirect_cleanup() {
vnet_cleanup
}
atf_init_test_cases()
{
atf_add_test_case "valid_redirect"
}
# end
|
