blob: 4212e2d5909cd3da75f5db21df3eea738e8a5525 (
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
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
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
|
#!/bin/sh
# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
#
# SPDX-License-Identifier: MPL-2.0
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, you can obtain one at https://mozilla.org/MPL/2.0/.
#
# See the COPYRIGHT file distributed with this work for additional
# information regarding copyright ownership.
set -e
. ../conf.sh
DIGOPTS="-p ${PORT}"
status=0
n=0
ns3_reset() {
copy_setports $1 ns3/named.conf
$RNDC -c ../_common/rndc.conf -s 10.53.0.3 -p ${CONTROLPORT} reconfig 2>&1 | sed 's/^/I:ns3 /'
$RNDC -c ../_common/rndc.conf -s 10.53.0.3 -p ${CONTROLPORT} flush | sed 's/^/I:ns3 /'
}
ns3_sends_aaaa_queries() {
if grep "started AAAA fetch" ns3/named.run >/dev/null; then
return 0
else
return 1
fi
}
# Check whether the number of queries ans2 received from ns3 (this value is
# read from dig output stored in file $1) is as expected. The expected query
# count is variable:
# - if ns3 sends AAAA queries, the query count should equal $2,
# - if ns3 does not send AAAA queries, the query count should equal $3.
check_query_count() {
count1=$(sed 's/[^0-9]//g;' $1)
count2=$(sed 's/[^0-9]//g;' $2)
count=$((count1 + count2))
#echo_i "count1=$count1 count2=$count2 count=$count"
expected_count_with_aaaa=$3
expected_count_without_aaaa=$4
if ns3_sends_aaaa_queries; then
expected_count=$expected_count_with_aaaa
else
expected_count=$expected_count_without_aaaa
fi
if [ $count -ne $expected_count ]; then
echo_i "count $count (actual) != $expected_count (expected)"
ret=1
fi
}
echo_i "set max-recursion-depth=12"
n=$((n + 1))
echo_i "attempt excessive-depth lookup ($n)"
ret=0
echo "1000" >ans2/ans.limit
echo "1000" >ans4/ans.limit
$DIG $DIGOPTS @10.53.0.2 reset >/dev/null || ret=1
$DIG $DIGOPTS @10.53.0.4 reset >/dev/null || ret=1
$DIG $DIGOPTS @10.53.0.3 indirect1.example.org >dig.out.1.test$n || ret=1
grep "status: SERVFAIL" dig.out.1.test$n >/dev/null || ret=1
$DIG $DIGOPTS +short @10.53.0.2 count txt >dig.out.2.test$n || ret=1
$DIG $DIGOPTS +short @10.53.0.4 count txt >dig.out.4.test$n || ret=1
check_query_count dig.out.2.test$n dig.out.4.test$n 27 14
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))
n=$((n + 1))
echo_i "attempt permissible lookup ($n)"
ret=0
echo "12" >ans2/ans.limit
echo "12" >ans4/ans.limit
ns3_reset ns3/named1.conf.in
$DIG $DIGOPTS @10.53.0.2 reset >/dev/null || ret=1
$DIG $DIGOPTS @10.53.0.4 reset >/dev/null || ret=1
$DIG $DIGOPTS @10.53.0.3 indirect2.example.org >dig.out.1.test$n || ret=1
grep "status: NOERROR" dig.out.1.test$n >/dev/null || ret=1
$DIG $DIGOPTS +short @10.53.0.2 count txt >dig.out.2.test$n || ret=1
$DIG $DIGOPTS +short @10.53.0.4 count txt >dig.out.4.test$n || ret=1
check_query_count dig.out.2.test$n dig.out.4.test$n 50 26
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))
echo_i "set max-recursion-depth=5"
n=$((n + 1))
echo_i "attempt excessive-depth lookup ($n)"
ret=0
echo "12" >ans2/ans.limit
ns3_reset ns3/named2.conf.in
$DIG $DIGOPTS @10.53.0.2 reset >/dev/null || ret=1
$DIG $DIGOPTS @10.53.0.4 reset >/dev/null || ret=1
$DIG $DIGOPTS @10.53.0.3 indirect3.example.org >dig.out.1.test$n || ret=1
grep "status: SERVFAIL" dig.out.1.test$n >/dev/null || ret=1
$DIG $DIGOPTS +short @10.53.0.2 count txt >dig.out.2.test$n || ret=1
$DIG $DIGOPTS +short @10.53.0.4 count txt >dig.out.4.test$n || ret=1
check_query_count dig.out.2.test$n dig.out.4.test$n 13 7
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))
n=$((n + 1))
echo_i "attempt permissible lookup ($n)"
ret=0
echo "5" >ans2/ans.limit
echo "5" >ans4/ans.limit
ns3_reset ns3/named2.conf.in
$DIG $DIGOPTS @10.53.0.2 reset >/dev/null || ret=1
$DIG $DIGOPTS @10.53.0.4 reset >/dev/null || ret=1
$DIG $DIGOPTS @10.53.0.3 indirect4.example.org >dig.out.1.test$n || ret=1
grep "status: NOERROR" dig.out.1.test$n >/dev/null || ret=1
$DIG $DIGOPTS +short @10.53.0.2 count txt >dig.out.2.test$n || ret=1
$DIG $DIGOPTS +short @10.53.0.4 count txt >dig.out.4.test$n || ret=1
check_query_count dig.out.2.test$n dig.out.4.test$n 22 12
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))
echo_i "set max-recursion-depth=100, max-recursion-queries=50"
n=$((n + 1))
echo_i "attempt excessive-queries lookup ($n)"
ret=0
echo "13" >ans2/ans.limit
echo "13" >ans4/ans.limit
ns3_reset ns3/named3.conf.in
$DIG $DIGOPTS @10.53.0.2 reset >/dev/null || ret=1
$DIG $DIGOPTS @10.53.0.4 reset >/dev/null || ret=1
$DIG $DIGOPTS @10.53.0.3 indirect5.example.org >dig.out.1.test$n || ret=1
if ns3_sends_aaaa_queries; then
grep "status: SERVFAIL" dig.out.1.test$n >/dev/null || ret=1
fi
$DIG $DIGOPTS +short @10.53.0.2 count txt >dig.out.2.test$n || ret=1
$DIG $DIGOPTS +short @10.53.0.4 count txt >dig.out.4.test$n || ret=1
eval count=$(cat dig.out.2.test$n)
[ $count -le 50 ] || {
ret=1
echo_i "count ($count) !<= 50"
}
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))
n=$((n + 1))
echo_i "attempt permissible lookup ($n)"
ret=0
echo "12" >ans2/ans.limit
ns3_reset ns3/named3.conf.in
$DIG $DIGOPTS @10.53.0.2 reset >/dev/null || ret=1
$DIG $DIGOPTS @10.53.0.3 indirect6.example.org >dig.out.1.test$n || ret=1
grep "status: NOERROR" dig.out.1.test$n >/dev/null || ret=1
$DIG $DIGOPTS +short @10.53.0.2 count txt >dig.out.2.test$n || ret=1
eval count=$(cat dig.out.2.test$n)
[ $count -le 50 ] || {
ret=1
echo_i "count ($count) !<= 50"
}
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))
echo_i "set max-recursion-depth=100, max-recursion-queries=40"
n=$((n + 1))
echo_i "attempt excessive-queries lookup ($n)"
ret=0
echo "11" >ans2/ans.limit
ns3_reset ns3/named4.conf.in
$DIG $DIGOPTS @10.53.0.2 reset >/dev/null || ret=1
$DIG $DIGOPTS @10.53.0.3 indirect7.example.org >dig.out.1.test$n || ret=1
if ns3_sends_aaaa_queries; then
grep "status: SERVFAIL" dig.out.1.test$n >/dev/null || ret=1
fi
$DIG $DIGOPTS +short @10.53.0.2 count txt >dig.out.2.test$n || ret=1
eval count=$(cat dig.out.2.test$n)
[ $count -le 40 ] || {
ret=1
echo_i "count ($count) !<= 40"
}
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))
n=$((n + 1))
echo_i "attempt permissible lookup ($n)"
ret=0
echo "9" >ans2/ans.limit
ns3_reset ns3/named4.conf.in
$DIG $DIGOPTS @10.53.0.2 reset >/dev/null || ret=1
$DIG $DIGOPTS @10.53.0.3 indirect8.example.org >dig.out.1.test$n || ret=1
grep "status: NOERROR" dig.out.1.test$n >/dev/null || ret=1
$DIG $DIGOPTS +short @10.53.0.2 count txt >dig.out.2.test$n || ret=1
eval count=$(cat dig.out.2.test$n)
[ $count -le 40 ] || {
ret=1
echo_i "count ($count) !<= 40"
}
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))
n=$((n + 1))
echo_i "attempting NS explosion ($n)"
ret=0
ns3_reset ns3/named4.conf.in
$DIG $DIGOPTS @10.53.0.2 reset >/dev/null || ret=1
$DIG $DIGOPTS +short @10.53.0.3 ns1.1.example.net >dig.out.1.test$n || ret=1
$DIG $DIGOPTS +short @10.53.0.2 count txt >dig.out.2.test$n || ret=1
eval count=$(cat dig.out.2.test$n)
[ $count -lt 50 ] || ret=1
$DIG $DIGOPTS +short @10.53.0.7 count txt >dig.out.3.test$n || ret=1
eval count=$(cat dig.out.3.test$n)
[ $count -lt 50 ] || {
ret=1
echo_i "count ($count) !<= 50"
}
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))
#grep "duplicate query" ns3/named.run
echo_i "exit status: $status"
[ $status -eq 0 ] || exit 1
|
