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
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
|
/* Copyright (C) 2019 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <tap/basic.h>
#include "contrib/sockaddr.h"
#include "libknot/errcode.h"
static void test_sockaddr_is_any(void)
{
struct sockaddr_storage invalid = { 0 };
ok(!sockaddr_is_any(&invalid), "sockaddr_is_any: invalid");
struct sockaddr_storage path = { 0 };
path.ss_family = AF_UNIX;
ok(!sockaddr_is_any(&path), "sockaddr_is_any: unix");
struct sockaddr_storage ipv4_local = { 0 };
sockaddr_set(&ipv4_local, AF_INET, "127.0.0.1", 0);
ok(!sockaddr_is_any(&ipv4_local), "sockaddr_is_any: IPv4 local");
struct sockaddr_storage ipv4_any = { 0 };
sockaddr_set(&ipv4_any, AF_INET, "0.0.0.0", 0);
ok(sockaddr_is_any(&ipv4_any), "sockaddr_is_any: IPv4 any");
struct sockaddr_storage ipv6_local = { 0 };
sockaddr_set(&ipv6_local, AF_INET6, "::1", 0);
ok(!sockaddr_is_any(&ipv6_local), "sockaddr_is_any: IPv6 local");
struct sockaddr_storage ipv6_any = { 0 };
sockaddr_set(&ipv6_any, AF_INET6, "::", 0);
ok(sockaddr_is_any(&ipv6_any), "sockaddr_is_any: IPv6 any");
}
static void check_sockaddr_set(struct sockaddr_storage *ss, int family,
const char *straddr, int port)
{
int ret = sockaddr_set(ss, family, straddr, port);
is_int(KNOT_EOK, ret, "set address '%s'", straddr);
}
static void test_net_match(void)
{
int ret;
struct sockaddr_storage t = { 0 };
// 127 dec ~ 01111111 bin
// 170 dec ~ 10101010 bin
struct sockaddr_storage ref4 = { 0 };
check_sockaddr_set(&ref4, AF_INET, "127.170.170.127", 0);
// 7F hex ~ 01111111 bin
// AA hex ~ 10101010 bin
struct sockaddr_storage ref6 = { 0 };
check_sockaddr_set(&ref6, AF_INET6, "7FAA::AA7F", 0);
ret = sockaddr_net_match(&ref4, &ref6, 32);
ok(ret == false, "match: family mismatch");
ret = sockaddr_net_match(NULL, &ref4, 32);
ok(ret == false, "match: NULL first parameter");
ret = sockaddr_net_match(&ref4, NULL, 32);
ok(ret == false, "match: NULL second parameter");
ret = sockaddr_net_match(&ref4, &ref4, -1);
ok(ret == true, "match: ipv4 - identity, auto full prefix");
ret = sockaddr_net_match(&ref4, &ref4, 31);
ok(ret == true, "match: ipv4 - identity, subnet");
ret = sockaddr_net_match(&ref4, &ref4, 32);
ok(ret == true, "match: ipv4 - identity, full prefix");
ret = sockaddr_net_match(&ref4, &ref4, 33);
ok(ret == true, "match: ipv4 - identity, prefix overflow");
ret = sockaddr_net_match(&ref6, &ref6, -1);
ok(ret == true, "match: ipv6 - identity, auto full prefix");
ret = sockaddr_net_match(&ref6, &ref6, 127);
ok(ret == true, "match: ipv6 - identity, subnet");
ret = sockaddr_net_match(&ref6, &ref6, 128);
ok(ret == true, "match: ipv6 - identity, full prefix");
ret = sockaddr_net_match(&ref6, &ref6, 129);
ok(ret == true, "match: ipv6 - identity, prefix overflow");
// 124 dec ~ 01111100 bin
check_sockaddr_set(&t, AF_INET, "124.0.0.0", 0);
ret = sockaddr_net_match(&t, &ref4, 5);
ok(ret == true, "match: ipv4 - first byte, shorter prefix");
ret = sockaddr_net_match(&t, &ref4, 6);
ok(ret == true, "match: ipv4 - first byte, precise prefix");
ret = sockaddr_net_match(&t, &ref4, 7);
ok(ret == false, "match: ipv4 - first byte, not match");
check_sockaddr_set(&t, AF_INET, "127.170.170.124", 0);
ret = sockaddr_net_match(&t, &ref4, 29);
ok(ret == true, "match: ipv4 - last byte, shorter prefix");
ret = sockaddr_net_match(&t, &ref4, 30);
ok(ret == true, "match: ipv4 - last byte, precise prefix");
ret = sockaddr_net_match(&t, &ref4, 31);
ok(ret == false, "match: ipv4 - last byte, not match");
// 7C hex ~ 01111100 bin
check_sockaddr_set(&t, AF_INET6, "7CAA::", 0);
ret = sockaddr_net_match(&t, &ref6, 5);
ok(ret == true, "match: ipv6 - first byte, shorter prefix");
ret = sockaddr_net_match(&t, &ref6, 6);
ok(ret == true, "match: ipv6 - first byte, precise prefix");
ret = sockaddr_net_match(&t, &ref6, 7);
ok(ret == false, "match: ipv6 - first byte, not match");
check_sockaddr_set(&t, AF_INET6, "7FAA::AA7C", 0);
ret = sockaddr_net_match(&t, &ref6, 125);
ok(ret == true, "match: ipv6 - last byte, shorter prefix");
ret = sockaddr_net_match(&t, &ref6, 126);
ok(ret == true, "match: ipv6 - last byte, precise prefix");
ret = sockaddr_net_match(&t, &ref6, 127);
ok(ret == false, "match: ipv6 - last byte, not match");
// UNIX socket path tests
struct sockaddr_storage ref_un = { 0 };
check_sockaddr_set(&ref_un, AF_UNIX, "/tmp/knot.listen", 0);
check_sockaddr_set(&t, AF_UNIX, "/tmp/knot.listen", 0);
ret = sockaddr_net_match(&t, &ref_un, 0);
ok(ret == true, "match: UNIX, match");
check_sockaddr_set(&t, AF_UNIX, "/tmp/knot.liste", 0);
ret = sockaddr_net_match(&t, &ref_un, 0);
ok(ret == false, "match: UNIX, shorter, not match");
check_sockaddr_set(&t, AF_UNIX, "/tmp/knot.listen.", 0);
ret = sockaddr_net_match(&t, &ref_un, 0);
ok(ret == false, "match: UNIX, longer, not match");
check_sockaddr_set(&t, AF_UNIX, "1234567890123456789012345678901234567890", 0);
ret = sockaddr_net_match(&t, &ref_un, 0);
ok(ret == false, "match: UNIX, longer than max for sockaddr_t, not match");
}
static void test_range_match(void)
{
bool ret;
struct sockaddr_storage t = { 0 };
struct sockaddr_storage min = { 0 };
struct sockaddr_storage max = { 0 };
// IPv4 tests.
check_sockaddr_set(&min, AF_INET, "0.0.0.0", 0);
check_sockaddr_set(&max, AF_INET, "255.255.255.255", 0);
check_sockaddr_set(&t, AF_INET, "0.0.0.0", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == true, "match: ipv4 max range - minimum");
check_sockaddr_set(&t, AF_INET, "255.255.255.255", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == true, "match: ipv4 max range - maximum");
check_sockaddr_set(&min, AF_INET, "1.13.113.213", 0);
check_sockaddr_set(&max, AF_INET, "2.24.124.224", 0);
check_sockaddr_set(&t, AF_INET, "1.12.113.213", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == false, "match: ipv4 middle range - negative far min");
check_sockaddr_set(&t, AF_INET, "1.13.113.212", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == false, "match: ipv4 middle range - negative close min");
check_sockaddr_set(&t, AF_INET, "1.13.113.213", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == true, "match: ipv4 middle range - minimum");
check_sockaddr_set(&t, AF_INET, "1.13.213.213", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == true, "match: ipv4 middle range - middle");
check_sockaddr_set(&t, AF_INET, "2.24.124.224", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == true, "match: ipv4 middle range - max");
check_sockaddr_set(&t, AF_INET, "2.24.124.225", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == false, "match: ipv4 middle range - negative close max");
check_sockaddr_set(&t, AF_INET, "2.25.124.225", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == false, "match: ipv4 middle range - negative far max");
// IPv6 tests.
check_sockaddr_set(&min, AF_INET6, "::0", 0);
check_sockaddr_set(&max, AF_INET6,
"FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF", 0);
check_sockaddr_set(&t, AF_INET6, "::0", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == true, "match: ipv6 max range - minimum");
check_sockaddr_set(&t, AF_INET6,
"FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == true, "match: ipv6 max range - maximum");
check_sockaddr_set(&min, AF_INET6, "1:13::ABCD:200B", 0);
check_sockaddr_set(&max, AF_INET6, "2:A24::124:224", 0);
check_sockaddr_set(&t, AF_INET6, "1:12::BCD:2000", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == false, "match: ipv6 middle range - negative far min");
check_sockaddr_set(&t, AF_INET6, "1:13::ABCD:200A", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == false, "match: ipv6 middle range - negative close min");
check_sockaddr_set(&t, AF_INET6, "1:13::ABCD:200B", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == true, "match: ipv6 middle range - minimum");
check_sockaddr_set(&t, AF_INET6, "1:13:0:12:34:0:ABCD:200B", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == true, "match: ipv6 middle range - middle");
check_sockaddr_set(&t, AF_INET6, "2:A24::124:224", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == true, "match: ipv6 middle range - max");
check_sockaddr_set(&t, AF_INET6, "2:A24::124:225", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == false, "match: ipv6 middle range - negative close max");
check_sockaddr_set(&t, AF_INET6, "2:FA24::4:24", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == false, "match: ipv6 middle range - negative far max");
// UNIX socket path tests
check_sockaddr_set(&t, AF_UNIX, "/tmp/knot.listen", 0);
ret = sockaddr_range_match(&t, &t, &t);
ok(ret == false, "match: range not supported for UNIX");
}
int main(int argc, char *argv[])
{
plan_lazy();
diag("sockaddr_is_any");
test_sockaddr_is_any();
diag("sockaddr_net_match");
test_net_match();
diag("sockaddr_range_match");
test_range_match();
return 0;
}
|
