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
|
/*
* 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.
*/
#include <inttypes.h>
#include <sched.h> /* IWYU pragma: keep */
#include <setjmp.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <unistd.h>
#define UNIT_TESTING
#include <cmocka.h>
#include <isc/buffer.h>
#include <isc/util.h>
#include <dns/nsec3.h>
#include <dns/private.h>
#include <dns/rdataclass.h>
#include <dns/rdatatype.h>
#include <dst/dst.h>
#include <tests/dns.h>
static dns_rdatatype_t privatetype = 65534;
static int
setup_test(void **state) {
isc_result_t result;
UNUSED(state);
result = dst_lib_init(mctx, NULL);
if (result != ISC_R_SUCCESS) {
return (1);
}
return (0);
}
static int
teardown_test(void **state) {
UNUSED(state);
dst_lib_destroy();
return (0);
}
typedef struct {
unsigned char alg;
dns_keytag_t keyid;
bool remove;
bool complete;
} signing_testcase_t;
typedef struct {
unsigned char hash;
unsigned char flags;
unsigned int iterations;
unsigned long salt;
bool remove;
bool pending;
bool nonsec;
} nsec3_testcase_t;
static void
make_signing(signing_testcase_t *testcase, dns_rdata_t *private,
unsigned char *buf, size_t len) {
dns_rdata_init(private);
buf[0] = testcase->alg;
buf[1] = (testcase->keyid & 0xff00) >> 8;
buf[2] = (testcase->keyid & 0xff);
buf[3] = testcase->remove;
buf[4] = testcase->complete;
private->data = buf;
private->length = len;
private->type = privatetype;
private->rdclass = dns_rdataclass_in;
}
static void
make_nsec3(nsec3_testcase_t *testcase, dns_rdata_t *private,
unsigned char *pbuf) {
dns_rdata_nsec3param_t params;
dns_rdata_t nsec3param = DNS_RDATA_INIT;
unsigned char bufdata[BUFSIZ];
isc_buffer_t buf;
uint32_t salt;
unsigned char *sp;
int slen = 4;
/* for simplicity, we're using a maximum salt length of 4 */
salt = htonl(testcase->salt);
sp = (unsigned char *)&salt;
while (slen > 0 && *sp == '\0') {
slen--;
sp++;
}
params.common.rdclass = dns_rdataclass_in;
params.common.rdtype = dns_rdatatype_nsec3param;
params.hash = testcase->hash;
params.iterations = testcase->iterations;
params.salt = sp;
params.salt_length = slen;
params.flags = testcase->flags;
if (testcase->remove) {
params.flags |= DNS_NSEC3FLAG_REMOVE;
if (testcase->nonsec) {
params.flags |= DNS_NSEC3FLAG_NONSEC;
}
} else {
params.flags |= DNS_NSEC3FLAG_CREATE;
if (testcase->pending) {
params.flags |= DNS_NSEC3FLAG_INITIAL;
}
}
isc_buffer_init(&buf, bufdata, sizeof(bufdata));
dns_rdata_fromstruct(&nsec3param, dns_rdataclass_in,
dns_rdatatype_nsec3param, ¶ms, &buf);
dns_rdata_init(private);
dns_nsec3param_toprivate(&nsec3param, private, privatetype, pbuf,
DNS_NSEC3PARAM_BUFFERSIZE + 1);
}
/* convert private signing records to text */
ISC_RUN_TEST_IMPL(private_signing_totext) {
dns_rdata_t private;
int i;
signing_testcase_t testcases[] = { { DST_ALG_RSASHA512, 12345, 0, 0 },
{ DST_ALG_RSASHA256, 54321, 1, 0 },
{ DST_ALG_NSEC3RSASHA1, 22222, 0,
1 },
{ DST_ALG_RSASHA1, 33333, 1, 1 } };
const char *results[] = { "Signing with key 12345/RSASHA512",
"Removing signatures for key 54321/RSASHA256",
"Done signing with key 22222/NSEC3RSASHA1",
("Done removing signatures for key "
"33333/RSASHA1") };
int ncases = 4;
UNUSED(state);
for (i = 0; i < ncases; i++) {
unsigned char data[5];
char output[BUFSIZ];
isc_buffer_t buf;
isc_buffer_init(&buf, output, sizeof(output));
make_signing(&testcases[i], &private, data, sizeof(data));
dns_private_totext(&private, &buf);
assert_string_equal(output, results[i]);
}
}
/* convert private chain records to text */
ISC_RUN_TEST_IMPL(private_nsec3_totext) {
dns_rdata_t private;
int i;
nsec3_testcase_t testcases[] = {
{ 1, 0, 1, 0xbeef, 0, 0, 0 },
{ 1, 1, 10, 0xdadd, 0, 0, 0 },
{ 1, 0, 20, 0xbead, 0, 1, 0 },
{ 1, 0, 30, 0xdeaf, 1, 0, 0 },
{ 1, 0, 100, 0xfeedabee, 1, 0, 1 },
};
const char *results[] = { "Creating NSEC3 chain 1 0 1 BEEF",
"Creating NSEC3 chain 1 1 10 DADD",
"Pending NSEC3 chain 1 0 20 BEAD",
("Removing NSEC3 chain 1 0 30 DEAF / "
"creating NSEC chain"),
"Removing NSEC3 chain 1 0 100 FEEDABEE" };
int ncases = 5;
UNUSED(state);
for (i = 0; i < ncases; i++) {
unsigned char data[DNS_NSEC3PARAM_BUFFERSIZE + 1];
char output[BUFSIZ];
isc_buffer_t buf;
isc_buffer_init(&buf, output, sizeof(output));
make_nsec3(&testcases[i], &private, data);
dns_private_totext(&private, &buf);
assert_string_equal(output, results[i]);
}
}
ISC_TEST_LIST_START
ISC_TEST_ENTRY_CUSTOM(private_signing_totext, setup_test, teardown_test)
ISC_TEST_ENTRY_CUSTOM(private_nsec3_totext, setup_test, teardown_test)
ISC_TEST_LIST_END
ISC_TEST_MAIN
|
