Branch data Line data Source code
1 : : /* SPDX-License-Identifier: LGPL-2.1+ */
2 : :
3 : : #include "alloc-util.h"
4 : : #include "dns-domain.h"
5 : : #include "macro.h"
6 : : #include "string-util.h"
7 : : #include "tests.h"
8 : :
9 : 88 : static void test_dns_label_unescape_one(const char *what, const char *expect, size_t buffer_sz, int ret, int ret_ldh) {
10 : 88 : char buffer[buffer_sz];
11 : : int r;
12 : 88 : const char *w = what;
13 : :
14 [ + - ]: 88 : log_info("%s, %s, %zu, →%d/%d", what, expect, buffer_sz, ret, ret_ldh);
15 : :
16 : 88 : r = dns_label_unescape(&w, buffer, buffer_sz, 0);
17 [ - + ]: 88 : assert_se(r == ret);
18 [ + + ]: 88 : if (r >= 0)
19 [ - + ]: 64 : assert_se(streq(buffer, expect));
20 : :
21 : 88 : w = what;
22 : 88 : r = dns_label_unescape(&w, buffer, buffer_sz, DNS_LABEL_LDH);
23 [ - + ]: 88 : assert_se(r == ret_ldh);
24 [ + + ]: 88 : if (r >= 0)
25 [ - + ]: 28 : assert_se(streq(buffer, expect));
26 : :
27 : 88 : w = what;
28 : 88 : r = dns_label_unescape(&w, buffer, buffer_sz, DNS_LABEL_NO_ESCAPES);
29 [ + + ]: 88 : const int ret_noe = strchr(what, '\\') ? -EINVAL : ret;
30 [ - + ]: 88 : assert_se(r == ret_noe);
31 [ + + ]: 88 : if (r >= 0)
32 [ - + ]: 48 : assert_se(streq(buffer, expect));
33 : 88 : }
34 : :
35 : 4 : static void test_dns_label_unescape(void) {
36 [ + - ]: 4 : log_info("/* %s */", __func__);
37 : :
38 : 4 : test_dns_label_unescape_one("hallo", "hallo", 6, 5, 5);
39 : 4 : test_dns_label_unescape_one("hallo", "hallo", 4, -ENOBUFS, -ENOBUFS);
40 : 4 : test_dns_label_unescape_one("", "", 10, 0, 0);
41 : 4 : test_dns_label_unescape_one("hallo\\.foobar", "hallo.foobar", 20, 12, -EINVAL);
42 : 4 : test_dns_label_unescape_one("hallo.foobar", "hallo", 10, 5, 5);
43 : 4 : test_dns_label_unescape_one("hallo\n.foobar", "hallo", 20, -EINVAL, -EINVAL);
44 : 4 : test_dns_label_unescape_one("hallo\\", "hallo", 20, -EINVAL, -EINVAL);
45 : 4 : test_dns_label_unescape_one("hallo\\032 ", "hallo ", 20, 7, -EINVAL);
46 : 4 : test_dns_label_unescape_one(".", "", 20, 0, 0);
47 : 4 : test_dns_label_unescape_one("..", "", 20, -EINVAL, -EINVAL);
48 : 4 : test_dns_label_unescape_one(".foobar", "", 20, -EINVAL, -EINVAL);
49 : 4 : test_dns_label_unescape_one("foobar.", "foobar", 20, 6, 6);
50 : 4 : test_dns_label_unescape_one("foobar..", "foobar", 20, -EINVAL, -EINVAL);
51 : 4 : test_dns_label_unescape_one("foo-bar", "foo-bar", 20, 7, 7);
52 : 4 : test_dns_label_unescape_one("foo-", "foo-", 20, 4, -EINVAL);
53 : 4 : test_dns_label_unescape_one("-foo", "-foo", 20, 4, -EINVAL);
54 : 4 : test_dns_label_unescape_one("-foo-", "-foo-", 20, 5, -EINVAL);
55 : 4 : test_dns_label_unescape_one("foo-.", "foo-", 20, 4, -EINVAL);
56 : 4 : test_dns_label_unescape_one("foo.-", "foo", 20, 3, 3);
57 : 4 : test_dns_label_unescape_one("foo\\032", "foo ", 20, 4, -EINVAL);
58 : 4 : test_dns_label_unescape_one("foo\\045", "foo-", 20, 4, -EINVAL);
59 : 4 : test_dns_label_unescape_one("głąb", "głąb", 20, 6, -EINVAL);
60 : 4 : }
61 : :
62 : 36 : static void test_dns_name_to_wire_format_one(const char *what, const char *expect, size_t buffer_sz, int ret) {
63 : 36 : uint8_t buffer[buffer_sz];
64 : : int r;
65 : :
66 [ + - ]: 36 : log_info("%s, %s, %zu, →%d", what, expect, buffer_sz, ret);
67 : :
68 : 36 : r = dns_name_to_wire_format(what, buffer, buffer_sz, false);
69 [ - + ]: 36 : assert_se(r == ret);
70 : :
71 [ + + ]: 36 : if (r < 0)
72 : 12 : return;
73 : :
74 [ - + ]: 24 : assert_se(!memcmp(buffer, expect, r));
75 : : }
76 : :
77 : 4 : static void test_dns_name_to_wire_format(void) {
78 : : static const char out0[] = { 0 };
79 : : static const char out1[] = { 3, 'f', 'o', 'o', 0 };
80 : : static const char out2[] = { 5, 'h', 'a', 'l', 'l', 'o', 3, 'f', 'o', 'o', 3, 'b', 'a', 'r', 0 };
81 : : static const char out3[] = { 4, ' ', 'f', 'o', 'o', 3, 'b', 'a', 'r', 0 };
82 : : static const char out4[] = { 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
83 : : 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
84 : : 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
85 : : 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
86 : : 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
87 : : 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
88 : : 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
89 : : 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
90 : : 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
91 : : 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
92 : : 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
93 : : 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
94 : : 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
95 : : 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
96 : : 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
97 : : 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
98 : : 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
99 : : 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
100 : : 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
101 : : 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
102 : : 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
103 : : 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
104 : : 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
105 : : 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
106 : : 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
107 : : 3, 'a', '1', '2', 0 };
108 : :
109 [ + - ]: 4 : log_info("/* %s */", __func__);
110 : :
111 : 4 : test_dns_name_to_wire_format_one("", out0, sizeof(out0), sizeof(out0));
112 : :
113 : 4 : test_dns_name_to_wire_format_one("foo", out1, sizeof(out1), sizeof(out1));
114 : 4 : test_dns_name_to_wire_format_one("foo", out1, sizeof(out1) + 1, sizeof(out1));
115 : 4 : test_dns_name_to_wire_format_one("foo", out1, sizeof(out1) - 1, -ENOBUFS);
116 : :
117 : 4 : test_dns_name_to_wire_format_one("hallo.foo.bar", out2, sizeof(out2), sizeof(out2));
118 : 4 : test_dns_name_to_wire_format_one("hallo.foo..bar", NULL, 32, -EINVAL);
119 : :
120 : 4 : test_dns_name_to_wire_format_one("\\032foo.bar", out3, sizeof(out3), sizeof(out3));
121 : :
122 : 4 : test_dns_name_to_wire_format_one("a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a123", NULL, 500, -EINVAL);
123 : 4 : test_dns_name_to_wire_format_one("a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12", out4, sizeof(out4), sizeof(out4));
124 : 4 : }
125 : :
126 : 76 : static void test_dns_label_unescape_suffix_one(const char *what, const char *expect1, const char *expect2, size_t buffer_sz, int ret1, int ret2) {
127 : 76 : char buffer[buffer_sz];
128 : : const char *label;
129 : : int r;
130 : :
131 [ + - ]: 76 : log_info("%s, %s, %s, %zu, %d, %d", what, expect1, expect2, buffer_sz, ret1, ret2);
132 : :
133 : 76 : label = what + strlen(what);
134 : :
135 : 76 : r = dns_label_unescape_suffix(what, &label, buffer, buffer_sz);
136 [ - + ]: 76 : assert_se(r == ret1);
137 [ + + ]: 76 : if (r >= 0)
138 [ - + ]: 64 : assert_se(streq(buffer, expect1));
139 : :
140 : 76 : r = dns_label_unescape_suffix(what, &label, buffer, buffer_sz);
141 [ - + ]: 76 : assert_se(r == ret2);
142 [ + + ]: 76 : if (r >= 0)
143 [ - + ]: 48 : assert_se(streq(buffer, expect2));
144 : 76 : }
145 : :
146 : 4 : static void test_dns_label_unescape_suffix(void) {
147 [ + - ]: 4 : log_info("/* %s */", __func__);
148 : :
149 : 4 : test_dns_label_unescape_suffix_one("hallo", "hallo", "", 6, 5, 0);
150 : 4 : test_dns_label_unescape_suffix_one("hallo", "hallo", "", 4, -ENOBUFS, -ENOBUFS);
151 : 4 : test_dns_label_unescape_suffix_one("", "", "", 10, 0, 0);
152 : 4 : test_dns_label_unescape_suffix_one("hallo\\.foobar", "hallo.foobar", "", 20, 12, 0);
153 : 4 : test_dns_label_unescape_suffix_one("hallo.foobar", "foobar", "hallo", 10, 6, 5);
154 : 4 : test_dns_label_unescape_suffix_one("hallo.foobar\n", "foobar", "foobar", 20, -EINVAL, -EINVAL);
155 : 4 : test_dns_label_unescape_suffix_one("hallo\\", "hallo", "hallo", 20, -EINVAL, -EINVAL);
156 : 4 : test_dns_label_unescape_suffix_one("hallo\\032 ", "hallo ", "", 20, 7, 0);
157 : 4 : test_dns_label_unescape_suffix_one(".", "", "", 20, 0, 0);
158 : 4 : test_dns_label_unescape_suffix_one("..", "", "", 20, 0, -EINVAL);
159 : 4 : test_dns_label_unescape_suffix_one(".foobar", "foobar", "", 20, 6, -EINVAL);
160 : 4 : test_dns_label_unescape_suffix_one("foobar.", "foobar", "", 20, 6, 0);
161 : 4 : test_dns_label_unescape_suffix_one("foo\\\\bar", "foo\\bar", "", 20, 7, 0);
162 : 4 : test_dns_label_unescape_suffix_one("foo.bar", "bar", "foo", 20, 3, 3);
163 : 4 : test_dns_label_unescape_suffix_one("foo..bar", "bar", "", 20, 3, -EINVAL);
164 : 4 : test_dns_label_unescape_suffix_one("foo...bar", "bar", "", 20, 3, -EINVAL);
165 : 4 : test_dns_label_unescape_suffix_one("foo\\.bar", "foo.bar", "", 20, 7, 0);
166 : 4 : test_dns_label_unescape_suffix_one("foo\\\\.bar", "bar", "foo\\", 20, 3, 4);
167 : 4 : test_dns_label_unescape_suffix_one("foo\\\\\\.bar", "foo\\.bar", "", 20, 8, 0);
168 : 4 : }
169 : :
170 : 16 : static void test_dns_label_escape_one(const char *what, size_t l, const char *expect, int ret) {
171 [ + + ]: 16 : _cleanup_free_ char *t = NULL;
172 : : int r;
173 : :
174 [ + - ]: 16 : log_info("%s, %zu, %s, →%d", what, l, expect, ret);
175 : :
176 : 16 : r = dns_label_escape_new(what, l, &t);
177 [ - + ]: 16 : assert_se(r == ret);
178 : :
179 [ + + ]: 16 : if (r < 0)
180 : 4 : return;
181 : :
182 [ - + ]: 12 : assert_se(streq_ptr(expect, t));
183 : : }
184 : :
185 : 4 : static void test_dns_label_escape(void) {
186 [ + - ]: 4 : log_info("/* %s */", __func__);
187 : :
188 : 4 : test_dns_label_escape_one("", 0, NULL, -EINVAL);
189 : 4 : test_dns_label_escape_one("hallo", 5, "hallo", 5);
190 : 4 : test_dns_label_escape_one("hallo", 6, "hallo\\000", 9);
191 : 4 : test_dns_label_escape_one("hallo hallo.foobar,waldi", 24, "hallo\\032hallo\\.foobar\\044waldi", 31);
192 : 4 : }
193 : :
194 : 36 : static void test_dns_name_normalize_one(const char *what, const char *expect, int ret) {
195 [ + + ]: 36 : _cleanup_free_ char *t = NULL;
196 : : int r;
197 : :
198 : 36 : r = dns_name_normalize(what, 0, &t);
199 [ - + ]: 36 : assert_se(r == ret);
200 : :
201 [ + + ]: 36 : if (r < 0)
202 : 8 : return;
203 : :
204 [ - + ]: 28 : assert_se(streq_ptr(expect, t));
205 : : }
206 : :
207 : 4 : static void test_dns_name_normalize(void) {
208 : 4 : test_dns_name_normalize_one("", ".", 0);
209 : 4 : test_dns_name_normalize_one("f", "f", 0);
210 : 4 : test_dns_name_normalize_one("f.waldi", "f.waldi", 0);
211 : 4 : test_dns_name_normalize_one("f \\032.waldi", "f\\032\\032.waldi", 0);
212 : 4 : test_dns_name_normalize_one("\\000", "\\000", 0);
213 : 4 : test_dns_name_normalize_one("..", NULL, -EINVAL);
214 : 4 : test_dns_name_normalize_one(".foobar", NULL, -EINVAL);
215 : 4 : test_dns_name_normalize_one("foobar.", "foobar", 0);
216 : 4 : test_dns_name_normalize_one(".", ".", 0);
217 : 4 : }
218 : :
219 : 48 : static void test_dns_name_equal_one(const char *a, const char *b, int ret) {
220 : : int r;
221 : :
222 : 48 : r = dns_name_equal(a, b);
223 [ - + ]: 48 : assert_se(r == ret);
224 : :
225 : 48 : r = dns_name_equal(b, a);
226 [ - + ]: 48 : assert_se(r == ret);
227 : 48 : }
228 : :
229 : 4 : static void test_dns_name_equal(void) {
230 : 4 : test_dns_name_equal_one("", "", true);
231 : 4 : test_dns_name_equal_one("x", "x", true);
232 : 4 : test_dns_name_equal_one("x", "x.", true);
233 : 4 : test_dns_name_equal_one("abc.def", "abc.def", true);
234 : 4 : test_dns_name_equal_one("abc.def", "ABC.def", true);
235 : 4 : test_dns_name_equal_one("abc.def", "CBA.def", false);
236 : 4 : test_dns_name_equal_one("", "xxx", false);
237 : 4 : test_dns_name_equal_one("ab", "a", false);
238 : 4 : test_dns_name_equal_one("\\000", "\\000", true);
239 : 4 : test_dns_name_equal_one(".", "", true);
240 : 4 : test_dns_name_equal_one(".", ".", true);
241 : 4 : test_dns_name_equal_one("..", "..", -EINVAL);
242 : 4 : }
243 : :
244 : 56 : static void test_dns_name_between_one(const char *a, const char *b, const char *c, int ret) {
245 : : int r;
246 : :
247 : 56 : r = dns_name_between(a, b, c);
248 [ - + ]: 56 : assert_se(r == ret);
249 : :
250 : 56 : r = dns_name_between(c, b, a);
251 [ + - ]: 56 : if (ret >= 0)
252 [ + + - + ]: 56 : assert_se(r == 0 || dns_name_equal(a, c) > 0);
253 : : else
254 [ # # ]: 0 : assert_se(r == ret);
255 : 56 : }
256 : :
257 : 4 : static void test_dns_name_between(void) {
258 : : /* see https://tools.ietf.org/html/rfc4034#section-6.1
259 : : Note that we use "\033.z.example" in stead of "\001.z.example" as we
260 : : consider the latter invalid */
261 : 4 : test_dns_name_between_one("example", "a.example", "yljkjljk.a.example", true);
262 : 4 : test_dns_name_between_one("a.example", "yljkjljk.a.example", "Z.a.example", true);
263 : 4 : test_dns_name_between_one("yljkjljk.a.example", "Z.a.example", "zABC.a.EXAMPLE", true);
264 : 4 : test_dns_name_between_one("Z.a.example", "zABC.a.EXAMPLE", "z.example", true);
265 : 4 : test_dns_name_between_one("zABC.a.EXAMPLE", "z.example", "\\033.z.example", true);
266 : 4 : test_dns_name_between_one("z.example", "\\033.z.example", "*.z.example", true);
267 : 4 : test_dns_name_between_one("\\033.z.example", "*.z.example", "\\200.z.example", true);
268 : 4 : test_dns_name_between_one("*.z.example", "\\200.z.example", "example", true);
269 : 4 : test_dns_name_between_one("\\200.z.example", "example", "a.example", true);
270 : :
271 : 4 : test_dns_name_between_one("example", "a.example", "example", true);
272 : 4 : test_dns_name_between_one("example", "example", "example", false);
273 : 4 : test_dns_name_between_one("example", "example", "yljkjljk.a.example", false);
274 : 4 : test_dns_name_between_one("example", "yljkjljk.a.example", "yljkjljk.a.example", false);
275 : 4 : test_dns_name_between_one("hkps.pool.sks-keyservers.net", "_pgpkey-https._tcp.hkps.pool.sks-keyservers.net", "ipv4.pool.sks-keyservers.net", true);
276 : 4 : }
277 : :
278 : 60 : static void test_dns_name_endswith_one(const char *a, const char *b, int ret) {
279 [ - + ]: 60 : assert_se(dns_name_endswith(a, b) == ret);
280 : 60 : }
281 : :
282 : 4 : static void test_dns_name_endswith(void) {
283 : 4 : test_dns_name_endswith_one("", "", true);
284 : 4 : test_dns_name_endswith_one("", "xxx", false);
285 : 4 : test_dns_name_endswith_one("xxx", "", true);
286 : 4 : test_dns_name_endswith_one("x", "x", true);
287 : 4 : test_dns_name_endswith_one("x", "y", false);
288 : 4 : test_dns_name_endswith_one("x.y", "y", true);
289 : 4 : test_dns_name_endswith_one("x.y", "Y", true);
290 : 4 : test_dns_name_endswith_one("x.y", "x", false);
291 : 4 : test_dns_name_endswith_one("x.y.z", "Z", true);
292 : 4 : test_dns_name_endswith_one("x.y.z", "y.Z", true);
293 : 4 : test_dns_name_endswith_one("x.y.z", "x.y.Z", true);
294 : 4 : test_dns_name_endswith_one("x.y.z", "waldo", false);
295 : 4 : test_dns_name_endswith_one("x.y.z.u.v.w", "y.z", false);
296 : 4 : test_dns_name_endswith_one("x.y.z.u.v.w", "u.v.w", true);
297 : 4 : test_dns_name_endswith_one("x.y\001.z", "waldo", -EINVAL);
298 : 4 : }
299 : :
300 : 48 : static void test_dns_name_startswith_one(const char *a, const char *b, int ret) {
301 [ - + ]: 48 : assert_se(dns_name_startswith(a, b) == ret);
302 : 48 : }
303 : :
304 : 4 : static void test_dns_name_startswith(void) {
305 : 4 : test_dns_name_startswith_one("", "", true);
306 : 4 : test_dns_name_startswith_one("", "xxx", false);
307 : 4 : test_dns_name_startswith_one("xxx", "", true);
308 : 4 : test_dns_name_startswith_one("x", "x", true);
309 : 4 : test_dns_name_startswith_one("x", "y", false);
310 : 4 : test_dns_name_startswith_one("x.y", "x.y", true);
311 : 4 : test_dns_name_startswith_one("x.y", "y.x", false);
312 : 4 : test_dns_name_startswith_one("x.y", "x", true);
313 : 4 : test_dns_name_startswith_one("x.y", "X", true);
314 : 4 : test_dns_name_startswith_one("x.y", "y", false);
315 : 4 : test_dns_name_startswith_one("x.y", "", true);
316 : 4 : test_dns_name_startswith_one("x.y", "X", true);
317 : 4 : }
318 : :
319 : 4 : static void test_dns_name_is_root(void) {
320 [ - + ]: 4 : assert_se(dns_name_is_root(""));
321 [ - + ]: 4 : assert_se(dns_name_is_root("."));
322 [ - + ]: 4 : assert_se(!dns_name_is_root("xxx"));
323 [ - + ]: 4 : assert_se(!dns_name_is_root("xxx."));
324 [ - + ]: 4 : assert_se(!dns_name_is_root(".."));
325 : 4 : }
326 : :
327 : 4 : static void test_dns_name_is_single_label(void) {
328 [ - + ]: 4 : assert_se(!dns_name_is_single_label(""));
329 [ - + ]: 4 : assert_se(!dns_name_is_single_label("."));
330 [ - + ]: 4 : assert_se(!dns_name_is_single_label(".."));
331 [ - + ]: 4 : assert_se(dns_name_is_single_label("x"));
332 [ - + ]: 4 : assert_se(dns_name_is_single_label("x."));
333 [ - + ]: 4 : assert_se(!dns_name_is_single_label("xx.yy"));
334 : 4 : }
335 : :
336 : 16 : static void test_dns_name_reverse_one(const char *address, const char *name) {
337 : 16 : _cleanup_free_ char *p = NULL;
338 : 16 : union in_addr_union a, b = {};
339 : : int familya, familyb;
340 : :
341 [ - + ]: 16 : assert_se(in_addr_from_string_auto(address, &familya, &a) >= 0);
342 [ - + ]: 16 : assert_se(dns_name_reverse(familya, &a, &p) >= 0);
343 [ - + ]: 16 : assert_se(streq(p, name));
344 [ - + ]: 16 : assert_se(dns_name_address(p, &familyb, &b) > 0);
345 [ - + ]: 16 : assert_se(familya == familyb);
346 [ - + ]: 16 : assert_se(in_addr_equal(familya, &a, &b));
347 : 16 : }
348 : :
349 : 4 : static void test_dns_name_reverse(void) {
350 : 4 : test_dns_name_reverse_one("47.11.8.15", "15.8.11.47.in-addr.arpa");
351 : 4 : test_dns_name_reverse_one("fe80::47", "7.4.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.e.f.ip6.arpa");
352 : 4 : test_dns_name_reverse_one("127.0.0.1", "1.0.0.127.in-addr.arpa");
353 : 4 : test_dns_name_reverse_one("::1", "1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa");
354 : 4 : }
355 : :
356 : 48 : static void test_dns_name_concat_one(const char *a, const char *b, int r, const char *result) {
357 : 48 : _cleanup_free_ char *p = NULL;
358 : :
359 [ - + ]: 48 : assert_se(dns_name_concat(a, b, 0, &p) == r);
360 [ - + ]: 48 : assert_se(streq_ptr(p, result));
361 : 48 : }
362 : :
363 : 4 : static void test_dns_name_concat(void) {
364 : 4 : test_dns_name_concat_one("", "", 0, ".");
365 : 4 : test_dns_name_concat_one(".", "", 0, ".");
366 : 4 : test_dns_name_concat_one("", ".", 0, ".");
367 : 4 : test_dns_name_concat_one(".", ".", 0, ".");
368 : 4 : test_dns_name_concat_one("foo", "bar", 0, "foo.bar");
369 : 4 : test_dns_name_concat_one("foo.foo", "bar.bar", 0, "foo.foo.bar.bar");
370 : 4 : test_dns_name_concat_one("foo", NULL, 0, "foo");
371 : 4 : test_dns_name_concat_one("foo", ".", 0, "foo");
372 : 4 : test_dns_name_concat_one("foo.", "bar.", 0, "foo.bar");
373 : 4 : test_dns_name_concat_one(NULL, NULL, 0, ".");
374 : 4 : test_dns_name_concat_one(NULL, ".", 0, ".");
375 : 4 : test_dns_name_concat_one(NULL, "foo", 0, "foo");
376 : 4 : }
377 : :
378 : 136 : static void test_dns_name_is_valid_one(const char *s, int ret, int ret_ldh) {
379 [ + - ]: 136 : log_info("%s, →%d", s, ret);
380 : :
381 [ - + ]: 136 : assert_se(dns_name_is_valid(s) == ret);
382 [ - + ]: 136 : assert_se(dns_name_is_valid_ldh(s) == ret_ldh);
383 : 136 : }
384 : :
385 : 4 : static void test_dns_name_is_valid(void) {
386 [ + - ]: 4 : log_info("/* %s */", __func__);
387 : :
388 : 4 : test_dns_name_is_valid_one("foo", 1, 1);
389 : 4 : test_dns_name_is_valid_one("foo.", 1, 1);
390 : 4 : test_dns_name_is_valid_one("foo..", 0, 0);
391 : 4 : test_dns_name_is_valid_one("Foo", 1, 1);
392 : 4 : test_dns_name_is_valid_one("foo.bar", 1, 1);
393 : 4 : test_dns_name_is_valid_one("foo.bar.baz", 1, 1);
394 : 4 : test_dns_name_is_valid_one("", 1, 1);
395 : 4 : test_dns_name_is_valid_one("foo..bar", 0, 0);
396 : 4 : test_dns_name_is_valid_one(".foo.bar", 0, 0);
397 : 4 : test_dns_name_is_valid_one("foo.bar.", 1, 1);
398 : 4 : test_dns_name_is_valid_one("foo.bar..", 0, 0);
399 : 4 : test_dns_name_is_valid_one("\\zbar", 0, 0);
400 : 4 : test_dns_name_is_valid_one("ä", 1, 0);
401 : 4 : test_dns_name_is_valid_one("\n", 0, 0);
402 : :
403 : 4 : test_dns_name_is_valid_one("dash-", 1, 0);
404 : 4 : test_dns_name_is_valid_one("-dash", 1, 0);
405 : 4 : test_dns_name_is_valid_one("dash-dash", 1, 1);
406 : 4 : test_dns_name_is_valid_one("foo.dash-", 1, 0);
407 : 4 : test_dns_name_is_valid_one("foo.-dash", 1, 0);
408 : 4 : test_dns_name_is_valid_one("foo.dash-dash", 1, 1);
409 : 4 : test_dns_name_is_valid_one("foo.dash-.bar", 1, 0);
410 : 4 : test_dns_name_is_valid_one("foo.-dash.bar", 1, 0);
411 : 4 : test_dns_name_is_valid_one("foo.dash-dash.bar", 1, 1);
412 : 4 : test_dns_name_is_valid_one("dash-.bar", 1, 0);
413 : 4 : test_dns_name_is_valid_one("-dash.bar", 1, 0);
414 : 4 : test_dns_name_is_valid_one("dash-dash.bar", 1, 1);
415 : 4 : test_dns_name_is_valid_one("-.bar", 1, 0);
416 : 4 : test_dns_name_is_valid_one("foo.-", 1, 0);
417 : :
418 : : /* 256 characters */
419 : 4 : test_dns_name_is_valid_one("a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345", 0, 0);
420 : :
421 : : /* 255 characters */
422 : 4 : test_dns_name_is_valid_one("a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a1234", 0, 0);
423 : :
424 : : /* 254 characters */
425 : 4 : test_dns_name_is_valid_one("a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a123", 0, 0);
426 : :
427 : : /* 253 characters */
428 : 4 : test_dns_name_is_valid_one("a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12", 1, 1);
429 : :
430 : : /* label of 64 chars length */
431 : 4 : test_dns_name_is_valid_one("a123456789a123456789a123456789a123456789a123456789a123456789a123", 0, 0);
432 : :
433 : : /* label of 63 chars length */
434 : 4 : test_dns_name_is_valid_one("a123456789a123456789a123456789a123456789a123456789a123456789a12", 1, 1);
435 : 4 : }
436 : :
437 : 4 : static void test_dns_service_name_is_valid(void) {
438 [ + - ]: 4 : log_info("/* %s */", __func__);
439 : :
440 [ - + ]: 4 : assert_se(dns_service_name_is_valid("Lennart's Compüter"));
441 [ - + ]: 4 : assert_se(dns_service_name_is_valid("piff.paff"));
442 : :
443 [ - + ]: 4 : assert_se(!dns_service_name_is_valid(NULL));
444 [ - + ]: 4 : assert_se(!dns_service_name_is_valid(""));
445 [ - + ]: 4 : assert_se(!dns_service_name_is_valid("foo\nbar"));
446 [ - + ]: 4 : assert_se(!dns_service_name_is_valid("foo\201bar"));
447 [ - + ]: 4 : assert_se(!dns_service_name_is_valid("this is an overly long string that is certainly longer than 63 characters"));
448 : 4 : }
449 : :
450 : 4 : static void test_dns_srv_type_is_valid(void) {
451 [ + - ]: 4 : log_info("/* %s */", __func__);
452 : :
453 [ - + ]: 4 : assert_se(dns_srv_type_is_valid("_http._tcp"));
454 [ - + ]: 4 : assert_se(dns_srv_type_is_valid("_foo-bar._tcp"));
455 [ - + ]: 4 : assert_se(dns_srv_type_is_valid("_w._udp"));
456 [ - + ]: 4 : assert_se(dns_srv_type_is_valid("_a800._tcp"));
457 [ - + ]: 4 : assert_se(dns_srv_type_is_valid("_a-800._tcp"));
458 : :
459 [ - + ]: 4 : assert_se(!dns_srv_type_is_valid(NULL));
460 [ - + ]: 4 : assert_se(!dns_srv_type_is_valid(""));
461 [ - + ]: 4 : assert_se(!dns_srv_type_is_valid("x"));
462 [ - + ]: 4 : assert_se(!dns_srv_type_is_valid("_foo"));
463 [ - + ]: 4 : assert_se(!dns_srv_type_is_valid("_tcp"));
464 [ - + ]: 4 : assert_se(!dns_srv_type_is_valid("_"));
465 [ - + ]: 4 : assert_se(!dns_srv_type_is_valid("_foo."));
466 [ - + ]: 4 : assert_se(!dns_srv_type_is_valid("_föo._tcp"));
467 [ - + ]: 4 : assert_se(!dns_srv_type_is_valid("_f\no._tcp"));
468 [ - + ]: 4 : assert_se(!dns_srv_type_is_valid("_800._tcp"));
469 [ - + ]: 4 : assert_se(!dns_srv_type_is_valid("_-800._tcp"));
470 [ - + ]: 4 : assert_se(!dns_srv_type_is_valid("_-foo._tcp"));
471 [ - + ]: 4 : assert_se(!dns_srv_type_is_valid("_piep._foo._udp"));
472 : 4 : }
473 : :
474 : 4 : static void test_dnssd_srv_type_is_valid(void) {
475 [ + - ]: 4 : log_info("/* %s */", __func__);
476 : :
477 [ - + ]: 4 : assert_se(dnssd_srv_type_is_valid("_http._tcp"));
478 [ - + ]: 4 : assert_se(dnssd_srv_type_is_valid("_foo-bar._tcp"));
479 [ - + ]: 4 : assert_se(dnssd_srv_type_is_valid("_w._udp"));
480 [ - + ]: 4 : assert_se(dnssd_srv_type_is_valid("_a800._tcp"));
481 [ - + ]: 4 : assert_se(dnssd_srv_type_is_valid("_a-800._tcp"));
482 : :
483 [ - + ]: 4 : assert_se(!dnssd_srv_type_is_valid(NULL));
484 [ - + ]: 4 : assert_se(!dnssd_srv_type_is_valid(""));
485 [ - + ]: 4 : assert_se(!dnssd_srv_type_is_valid("x"));
486 [ - + ]: 4 : assert_se(!dnssd_srv_type_is_valid("_foo"));
487 [ - + ]: 4 : assert_se(!dnssd_srv_type_is_valid("_tcp"));
488 [ - + ]: 4 : assert_se(!dnssd_srv_type_is_valid("_"));
489 [ - + ]: 4 : assert_se(!dnssd_srv_type_is_valid("_foo."));
490 [ - + ]: 4 : assert_se(!dnssd_srv_type_is_valid("_föo._tcp"));
491 [ - + ]: 4 : assert_se(!dnssd_srv_type_is_valid("_f\no._tcp"));
492 [ - + ]: 4 : assert_se(!dnssd_srv_type_is_valid("_800._tcp"));
493 [ - + ]: 4 : assert_se(!dnssd_srv_type_is_valid("_-800._tcp"));
494 [ - + ]: 4 : assert_se(!dnssd_srv_type_is_valid("_-foo._tcp"));
495 [ - + ]: 4 : assert_se(!dnssd_srv_type_is_valid("_piep._foo._udp"));
496 [ - + ]: 4 : assert_se(!dnssd_srv_type_is_valid("_foo._unknown"));
497 : 4 : }
498 : :
499 : 44 : static void test_dns_service_join_one(const char *a, const char *b, const char *c, int r, const char *d) {
500 [ + + + + : 104 : _cleanup_free_ char *x = NULL, *y = NULL, *z = NULL, *t = NULL;
+ + + + ]
501 : :
502 [ + - ]: 44 : log_info("%s, %s, %s, →%d, %s", a, b, c, r, d);
503 : :
504 [ - + ]: 44 : assert_se(dns_service_join(a, b, c, &t) == r);
505 [ - + ]: 44 : assert_se(streq_ptr(t, d));
506 : :
507 [ + + ]: 44 : if (r < 0)
508 : 20 : return;
509 : :
510 [ - + ]: 24 : assert_se(dns_service_split(t, &x, &y, &z) >= 0);
511 [ - + ]: 24 : assert_se(streq_ptr(a, x));
512 [ - + ]: 24 : assert_se(streq_ptr(b, y));
513 [ - + ]: 24 : assert_se(dns_name_equal(c, z) > 0);
514 : : }
515 : :
516 : 4 : static void test_dns_service_join(void) {
517 [ + - ]: 4 : log_info("/* %s */", __func__);
518 : :
519 : 4 : test_dns_service_join_one("", "", "", -EINVAL, NULL);
520 : 4 : test_dns_service_join_one("", "_http._tcp", "", -EINVAL, NULL);
521 : 4 : test_dns_service_join_one("", "_http._tcp", "foo", -EINVAL, NULL);
522 : 4 : test_dns_service_join_one("foo", "", "foo", -EINVAL, NULL);
523 : 4 : test_dns_service_join_one("foo", "foo", "foo", -EINVAL, NULL);
524 : :
525 : 4 : test_dns_service_join_one("foo", "_http._tcp", "", 0, "foo._http._tcp");
526 : 4 : test_dns_service_join_one(NULL, "_http._tcp", "", 0, "_http._tcp");
527 : 4 : test_dns_service_join_one("foo", "_http._tcp", "foo", 0, "foo._http._tcp.foo");
528 : 4 : test_dns_service_join_one(NULL, "_http._tcp", "foo", 0, "_http._tcp.foo");
529 : 4 : test_dns_service_join_one("Lennart's PC", "_pc._tcp", "foo.bar.com", 0, "Lennart\\039s\\032PC._pc._tcp.foo.bar.com");
530 : 4 : test_dns_service_join_one(NULL, "_pc._tcp", "foo.bar.com", 0, "_pc._tcp.foo.bar.com");
531 : 4 : }
532 : :
533 : 28 : static void test_dns_service_split_one(const char *joined, const char *a, const char *b, const char *c, int r) {
534 [ + - + - : 28 : _cleanup_free_ char *x = NULL, *y = NULL, *z = NULL, *t = NULL;
+ - + - ]
535 : :
536 [ + - ]: 28 : log_info("%s, %s, %s, %s, →%d", joined, a, b, c, r);
537 : :
538 [ - + ]: 28 : assert_se(dns_service_split(joined, &x, &y, &z) == r);
539 [ - + ]: 28 : assert_se(streq_ptr(x, a));
540 [ - + ]: 28 : assert_se(streq_ptr(y, b));
541 [ - + ]: 28 : assert_se(streq_ptr(z, c));
542 : :
543 [ - + ]: 28 : if (r < 0)
544 : 0 : return;
545 : :
546 [ + + ]: 28 : if (y) {
547 [ - + ]: 12 : assert_se(dns_service_join(x, y, z, &t) == 0);
548 [ - + ]: 12 : assert_se(dns_name_equal(joined, t) > 0);
549 : : } else
550 [ + - - + ]: 16 : assert_se(!x && dns_name_equal(z, joined) > 0);
551 : : }
552 : :
553 : 4 : static void test_dns_service_split(void) {
554 [ + - ]: 4 : log_info("/* %s */", __func__);
555 : :
556 : 4 : test_dns_service_split_one("", NULL, NULL, ".", 0);
557 : 4 : test_dns_service_split_one("foo", NULL, NULL, "foo", 0);
558 : 4 : test_dns_service_split_one("foo.bar", NULL, NULL, "foo.bar", 0);
559 : 4 : test_dns_service_split_one("_foo.bar", NULL, NULL, "_foo.bar", 0);
560 : 4 : test_dns_service_split_one("_foo._bar", NULL, "_foo._bar", ".", 0);
561 : 4 : test_dns_service_split_one("_meh._foo._bar", "_meh", "_foo._bar", ".", 0);
562 : 4 : test_dns_service_split_one("Wuff\\032Wuff._foo._bar.waldo.com", "Wuff Wuff", "_foo._bar", "waldo.com", 0);
563 : 4 : }
564 : :
565 : 36 : static void test_dns_name_change_suffix_one(const char *name, const char *old_suffix, const char *new_suffix, int r, const char *result) {
566 : 36 : _cleanup_free_ char *s = NULL;
567 : :
568 [ + - ]: 36 : log_info("%s, %s, %s, →%s", name, old_suffix, new_suffix, result);
569 : :
570 [ - + ]: 36 : assert_se(dns_name_change_suffix(name, old_suffix, new_suffix, &s) == r);
571 [ - + ]: 36 : assert_se(streq_ptr(s, result));
572 : 36 : }
573 : :
574 : 4 : static void test_dns_name_change_suffix(void) {
575 [ + - ]: 4 : log_info("/* %s */", __func__);
576 : :
577 : 4 : test_dns_name_change_suffix_one("foo.bar", "bar", "waldo", 1, "foo.waldo");
578 : 4 : test_dns_name_change_suffix_one("foo.bar.waldi.quux", "foo.bar.waldi.quux", "piff.paff", 1, "piff.paff");
579 : 4 : test_dns_name_change_suffix_one("foo.bar.waldi.quux", "bar.waldi.quux", "piff.paff", 1, "foo.piff.paff");
580 : 4 : test_dns_name_change_suffix_one("foo.bar.waldi.quux", "waldi.quux", "piff.paff", 1, "foo.bar.piff.paff");
581 : 4 : test_dns_name_change_suffix_one("foo.bar.waldi.quux", "quux", "piff.paff", 1, "foo.bar.waldi.piff.paff");
582 : 4 : test_dns_name_change_suffix_one("foo.bar.waldi.quux", "", "piff.paff", 1, "foo.bar.waldi.quux.piff.paff");
583 : 4 : test_dns_name_change_suffix_one("", "", "piff.paff", 1, "piff.paff");
584 : 4 : test_dns_name_change_suffix_one("", "", "", 1, ".");
585 : 4 : test_dns_name_change_suffix_one("a", "b", "c", 0, NULL);
586 : 4 : }
587 : :
588 : 48 : static void test_dns_name_suffix_one(const char *name, unsigned n_labels, const char *result, int ret) {
589 : 48 : const char *p = NULL;
590 : :
591 [ + - ]: 48 : log_info("%s, %d, →%s, %d", name, n_labels, result, ret);
592 : :
593 [ - + ]: 48 : assert_se(ret == dns_name_suffix(name, n_labels, &p));
594 [ - + ]: 48 : assert_se(streq_ptr(p, result));
595 : 48 : }
596 : :
597 : 4 : static void test_dns_name_suffix(void) {
598 [ + - ]: 4 : log_info("/* %s */", __func__);
599 : :
600 : 4 : test_dns_name_suffix_one("foo.bar", 2, "foo.bar", 0);
601 : 4 : test_dns_name_suffix_one("foo.bar", 1, "bar", 1);
602 : 4 : test_dns_name_suffix_one("foo.bar", 0, "", 2);
603 : 4 : test_dns_name_suffix_one("foo.bar", 3, NULL, -EINVAL);
604 : 4 : test_dns_name_suffix_one("foo.bar", 4, NULL, -EINVAL);
605 : :
606 : 4 : test_dns_name_suffix_one("bar", 1, "bar", 0);
607 : 4 : test_dns_name_suffix_one("bar", 0, "", 1);
608 : 4 : test_dns_name_suffix_one("bar", 2, NULL, -EINVAL);
609 : 4 : test_dns_name_suffix_one("bar", 3, NULL, -EINVAL);
610 : :
611 : 4 : test_dns_name_suffix_one("", 0, "", 0);
612 : 4 : test_dns_name_suffix_one("", 1, NULL, -EINVAL);
613 : 4 : test_dns_name_suffix_one("", 2, NULL, -EINVAL);
614 : 4 : }
615 : :
616 : 36 : static void test_dns_name_count_labels_one(const char *name, int n) {
617 [ + - ]: 36 : log_info("%s, →%d", name, n);
618 : :
619 [ - + ]: 36 : assert_se(dns_name_count_labels(name) == n);
620 : 36 : }
621 : :
622 : 4 : static void test_dns_name_count_labels(void) {
623 [ + - ]: 4 : log_info("/* %s */", __func__);
624 : :
625 : 4 : test_dns_name_count_labels_one("foo.bar.quux.", 3);
626 : 4 : test_dns_name_count_labels_one("foo.bar.quux", 3);
627 : 4 : test_dns_name_count_labels_one("foo.bar.", 2);
628 : 4 : test_dns_name_count_labels_one("foo.bar", 2);
629 : 4 : test_dns_name_count_labels_one("foo.", 1);
630 : 4 : test_dns_name_count_labels_one("foo", 1);
631 : 4 : test_dns_name_count_labels_one("", 0);
632 : 4 : test_dns_name_count_labels_one(".", 0);
633 : 4 : test_dns_name_count_labels_one("..", -EINVAL);
634 : 4 : }
635 : :
636 : 80 : static void test_dns_name_equal_skip_one(const char *a, unsigned n_labels, const char *b, int ret) {
637 [ + - ]: 80 : log_info("%s, %u, %s, →%d", a, n_labels, b, ret);
638 : :
639 [ - + ]: 80 : assert_se(dns_name_equal_skip(a, n_labels, b) == ret);
640 : 80 : }
641 : :
642 : 4 : static void test_dns_name_equal_skip(void) {
643 [ + - ]: 4 : log_info("/* %s */", __func__);
644 : :
645 : 4 : test_dns_name_equal_skip_one("foo", 0, "bar", 0);
646 : 4 : test_dns_name_equal_skip_one("foo", 0, "foo", 1);
647 : 4 : test_dns_name_equal_skip_one("foo", 1, "foo", 0);
648 : 4 : test_dns_name_equal_skip_one("foo", 2, "foo", 0);
649 : :
650 : 4 : test_dns_name_equal_skip_one("foo.bar", 0, "foo.bar", 1);
651 : 4 : test_dns_name_equal_skip_one("foo.bar", 1, "foo.bar", 0);
652 : 4 : test_dns_name_equal_skip_one("foo.bar", 2, "foo.bar", 0);
653 : 4 : test_dns_name_equal_skip_one("foo.bar", 3, "foo.bar", 0);
654 : :
655 : 4 : test_dns_name_equal_skip_one("foo.bar", 0, "bar", 0);
656 : 4 : test_dns_name_equal_skip_one("foo.bar", 1, "bar", 1);
657 : 4 : test_dns_name_equal_skip_one("foo.bar", 2, "bar", 0);
658 : 4 : test_dns_name_equal_skip_one("foo.bar", 3, "bar", 0);
659 : :
660 : 4 : test_dns_name_equal_skip_one("foo.bar", 0, "", 0);
661 : 4 : test_dns_name_equal_skip_one("foo.bar", 1, "", 0);
662 : 4 : test_dns_name_equal_skip_one("foo.bar", 2, "", 1);
663 : 4 : test_dns_name_equal_skip_one("foo.bar", 3, "", 0);
664 : :
665 : 4 : test_dns_name_equal_skip_one("", 0, "", 1);
666 : 4 : test_dns_name_equal_skip_one("", 1, "", 0);
667 : 4 : test_dns_name_equal_skip_one("", 1, "foo", 0);
668 : 4 : test_dns_name_equal_skip_one("", 2, "foo", 0);
669 : 4 : }
670 : :
671 : 4 : static void test_dns_name_compare_func(void) {
672 [ + - ]: 4 : log_info("/* %s */", __func__);
673 : :
674 [ - + ]: 4 : assert_se(dns_name_compare_func("", "") == 0);
675 [ - + ]: 4 : assert_se(dns_name_compare_func("", ".") == 0);
676 [ - + ]: 4 : assert_se(dns_name_compare_func(".", "") == 0);
677 [ - + ]: 4 : assert_se(dns_name_compare_func("foo", "foo.") == 0);
678 [ - + ]: 4 : assert_se(dns_name_compare_func("foo.", "foo") == 0);
679 [ - + ]: 4 : assert_se(dns_name_compare_func("foo", "foo") == 0);
680 [ - + ]: 4 : assert_se(dns_name_compare_func("foo.", "foo.") == 0);
681 [ - + ]: 4 : assert_se(dns_name_compare_func("heise.de", "HEISE.DE.") == 0);
682 : :
683 [ - + ]: 4 : assert_se(dns_name_compare_func("de.", "heise.de") != 0);
684 : 4 : }
685 : :
686 : 40 : static void test_dns_name_common_suffix_one(const char *a, const char *b, const char *result) {
687 : : const char *c;
688 : :
689 [ + - ]: 40 : log_info("%s, %s, →%s", a, b, result);
690 : :
691 [ - + ]: 40 : assert_se(dns_name_common_suffix(a, b, &c) >= 0);
692 [ - + ]: 40 : assert_se(streq(c, result));
693 : 40 : }
694 : :
695 : 4 : static void test_dns_name_common_suffix(void) {
696 [ + - ]: 4 : log_info("/* %s */", __func__);
697 : :
698 : 4 : test_dns_name_common_suffix_one("", "", "");
699 : 4 : test_dns_name_common_suffix_one("foo", "", "");
700 : 4 : test_dns_name_common_suffix_one("", "foo", "");
701 : 4 : test_dns_name_common_suffix_one("foo", "bar", "");
702 : 4 : test_dns_name_common_suffix_one("bar", "foo", "");
703 : 4 : test_dns_name_common_suffix_one("foo", "foo", "foo");
704 : 4 : test_dns_name_common_suffix_one("quux.foo", "foo", "foo");
705 : 4 : test_dns_name_common_suffix_one("foo", "quux.foo", "foo");
706 : 4 : test_dns_name_common_suffix_one("this.is.a.short.sentence", "this.is.another.short.sentence", "short.sentence");
707 : 4 : test_dns_name_common_suffix_one("FOO.BAR", "tEST.bAR", "BAR");
708 : 4 : }
709 : :
710 : 60 : static void test_dns_name_apply_idna_one(const char *s, int expected, const char *result) {
711 : 60 : _cleanup_free_ char *buf = NULL;
712 : : int r;
713 : :
714 : 60 : r = dns_name_apply_idna(s, &buf);
715 [ + - ]: 60 : log_debug("dns_name_apply_idna: \"%s\" → %d/\"%s\" (expected %d/\"%s\")",
716 : : s, r, strnull(buf), expected, strnull(result));
717 : :
718 : : /* Different libidn2 versions are more and less accepting
719 : : * of underscore-prefixed names. So let's list the lowest
720 : : * expected return value. */
721 [ - + ]: 60 : assert_se(r >= expected);
722 [ + + ]: 60 : if (expected == 1)
723 [ - + ]: 44 : assert_se(dns_name_equal(buf, result) == 1);
724 : 60 : }
725 : :
726 : 4 : static void test_dns_name_apply_idna(void) {
727 : : #if HAVE_LIBIDN2 || HAVE_LIBIDN
728 : 4 : const int ret = 1;
729 : : #else
730 : : const int ret = 0;
731 : : #endif
732 [ + - ]: 4 : log_info("/* %s */", __func__);
733 : :
734 : : /* IDNA2008 forbids names with hyphens in third and fourth positions
735 : : * (https://tools.ietf.org/html/rfc5891#section-4.2.3.1).
736 : : * IDNA2003 does not have this restriction
737 : : * (https://tools.ietf.org/html/rfc3490#section-5).
738 : : * This means that when using libidn we will transform and test more
739 : : * labels. If registrars follow IDNA2008 we'll just be performing a
740 : : * useless lookup.
741 : : */
742 : : #if HAVE_LIBIDN
743 : : const int ret2 = 1;
744 : : #else
745 : 4 : const int ret2 = 0;
746 : : #endif
747 : :
748 : 4 : test_dns_name_apply_idna_one("", ret, "");
749 : 4 : test_dns_name_apply_idna_one("foo", ret, "foo");
750 : 4 : test_dns_name_apply_idna_one("foo.", ret, "foo");
751 : 4 : test_dns_name_apply_idna_one("foo.bar", ret, "foo.bar");
752 : 4 : test_dns_name_apply_idna_one("foo.bar.", ret, "foo.bar");
753 : 4 : test_dns_name_apply_idna_one("föö", ret, "xn--f-1gaa");
754 : 4 : test_dns_name_apply_idna_one("föö.", ret, "xn--f-1gaa");
755 : 4 : test_dns_name_apply_idna_one("föö.bär", ret, "xn--f-1gaa.xn--br-via");
756 : 4 : test_dns_name_apply_idna_one("föö.bär.", ret, "xn--f-1gaa.xn--br-via");
757 : 4 : test_dns_name_apply_idna_one("xn--f-1gaa.xn--br-via", ret, "xn--f-1gaa.xn--br-via");
758 : :
759 : 4 : test_dns_name_apply_idna_one("_443._tcp.fedoraproject.org", ret2,
760 : : "_443._tcp.fedoraproject.org");
761 : 4 : test_dns_name_apply_idna_one("_443", ret2, "_443");
762 : 4 : test_dns_name_apply_idna_one("gateway", ret, "gateway");
763 : 4 : test_dns_name_apply_idna_one("_gateway", ret2, "_gateway");
764 : :
765 [ - + ]: 4 : test_dns_name_apply_idna_one("r3---sn-ab5l6ne7.googlevideo.com", ret2,
766 : : ret2 ? "r3---sn-ab5l6ne7.googlevideo.com" : "");
767 : 4 : }
768 : :
769 : 4 : static void test_dns_name_is_valid_or_address(void) {
770 [ + - ]: 4 : log_info("/* %s */", __func__);
771 : :
772 [ - + ]: 4 : assert_se(dns_name_is_valid_or_address(NULL) == 0);
773 [ - + ]: 4 : assert_se(dns_name_is_valid_or_address("") == 0);
774 [ - + ]: 4 : assert_se(dns_name_is_valid_or_address("foobar") > 0);
775 [ - + ]: 4 : assert_se(dns_name_is_valid_or_address("foobar.com") > 0);
776 [ - + ]: 4 : assert_se(dns_name_is_valid_or_address("foobar..com") == 0);
777 [ - + ]: 4 : assert_se(dns_name_is_valid_or_address("foobar.com.") > 0);
778 [ - + ]: 4 : assert_se(dns_name_is_valid_or_address("127.0.0.1") > 0);
779 [ - + ]: 4 : assert_se(dns_name_is_valid_or_address("::") > 0);
780 [ - + ]: 4 : assert_se(dns_name_is_valid_or_address("::1") > 0);
781 : 4 : }
782 : :
783 : 4 : int main(int argc, char *argv[]) {
784 : 4 : test_setup_logging(LOG_DEBUG);
785 : :
786 : 4 : test_dns_label_unescape();
787 : 4 : test_dns_label_unescape_suffix();
788 : 4 : test_dns_label_escape();
789 : 4 : test_dns_name_normalize();
790 : 4 : test_dns_name_equal();
791 : 4 : test_dns_name_endswith();
792 : 4 : test_dns_name_startswith();
793 : 4 : test_dns_name_between();
794 : 4 : test_dns_name_is_root();
795 : 4 : test_dns_name_is_single_label();
796 : 4 : test_dns_name_reverse();
797 : 4 : test_dns_name_concat();
798 : 4 : test_dns_name_is_valid();
799 : 4 : test_dns_name_to_wire_format();
800 : 4 : test_dns_service_name_is_valid();
801 : 4 : test_dns_srv_type_is_valid();
802 : 4 : test_dnssd_srv_type_is_valid();
803 : 4 : test_dns_service_join();
804 : 4 : test_dns_service_split();
805 : 4 : test_dns_name_change_suffix();
806 : 4 : test_dns_name_suffix();
807 : 4 : test_dns_name_count_labels();
808 : 4 : test_dns_name_equal_skip();
809 : 4 : test_dns_name_compare_func();
810 : 4 : test_dns_name_common_suffix();
811 : 4 : test_dns_name_apply_idna();
812 : 4 : test_dns_name_is_valid_or_address();
813 : :
814 : 4 : return 0;
815 : : }
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