]>
git.ipfire.org Git - thirdparty/systemd.git/blob - src/test/test-dns-domain.c
2 This file is part of systemd.
4 Copyright 2014 Lennart Poettering
6 systemd is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as published by
8 the Free Software Foundation; either version 2.1 of the License, or
9 (at your option) any later version.
11 systemd is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with systemd; If not, see <http://www.gnu.org/licenses/>.
20 #include "alloc-util.h"
21 #include "dns-domain.h"
23 #include "string-util.h"
25 static void test_dns_label_unescape_one(const char *what
, const char *expect
, size_t buffer_sz
, int ret
) {
26 char buffer
[buffer_sz
];
29 r
= dns_label_unescape(&what
, buffer
, buffer_sz
);
35 assert_se(streq(buffer
, expect
));
38 static void test_dns_label_unescape(void) {
39 test_dns_label_unescape_one("hallo", "hallo", 6, 5);
40 test_dns_label_unescape_one("hallo", "hallo", 4, -ENOBUFS
);
41 test_dns_label_unescape_one("", "", 10, 0);
42 test_dns_label_unescape_one("hallo\\.foobar", "hallo.foobar", 20, 12);
43 test_dns_label_unescape_one("hallo.foobar", "hallo", 10, 5);
44 test_dns_label_unescape_one("hallo\n.foobar", "hallo", 20, -EINVAL
);
45 test_dns_label_unescape_one("hallo\\", "hallo", 20, -EINVAL
);
46 test_dns_label_unescape_one("hallo\\032 ", "hallo ", 20, 7);
47 test_dns_label_unescape_one(".", "", 20, 0);
48 test_dns_label_unescape_one("..", "", 20, -EINVAL
);
49 test_dns_label_unescape_one(".foobar", "", 20, -EINVAL
);
50 test_dns_label_unescape_one("foobar.", "foobar", 20, 6);
53 static void test_dns_name_to_wire_format_one(const char *what
, const char *expect
, size_t buffer_sz
, int ret
) {
54 uint8_t buffer
[buffer_sz
];
57 r
= dns_name_to_wire_format(what
, buffer
, buffer_sz
, false);
63 assert_se(!memcmp(buffer
, expect
, r
));
66 static void test_dns_name_to_wire_format(void) {
67 static const char out0
[] = { 0 };
68 static const char out1
[] = { 3, 'f', 'o', 'o', 0 };
69 static const char out2
[] = { 5, 'h', 'a', 'l', 'l', 'o', 3, 'f', 'o', 'o', 3, 'b', 'a', 'r', 0 };
70 static const char out3
[] = { 4, ' ', 'f', 'o', 'o', 3, 'b', 'a', 'r', 0 };
71 static const char out4
[] = { 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
72 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
73 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
74 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
75 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
76 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
77 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
78 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
79 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
80 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
81 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8',
82 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 3, 'a', '1', '2', 0 };
98 test_dns_name_to_wire_format_one("", out0
, sizeof(out0
), sizeof(out0
));
100 test_dns_name_to_wire_format_one("foo", out1
, sizeof(out1
), sizeof(out1
));
101 test_dns_name_to_wire_format_one("foo", out1
, sizeof(out1
) + 1, sizeof(out1
));
102 test_dns_name_to_wire_format_one("foo", out1
, sizeof(out1
) - 1, -ENOBUFS
);
104 test_dns_name_to_wire_format_one("hallo.foo.bar", out2
, sizeof(out2
), sizeof(out2
));
105 test_dns_name_to_wire_format_one("hallo.foo..bar", NULL
, 32, -EINVAL
);
107 test_dns_name_to_wire_format_one("\\032foo.bar", out3
, sizeof(out3
), sizeof(out3
));
109 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
);
110 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
));
113 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
) {
114 char buffer
[buffer_sz
];
118 label
= what
+ strlen(what
);
120 r
= dns_label_unescape_suffix(what
, &label
, buffer
, buffer_sz
);
121 assert_se(r
== ret1
);
123 assert_se(streq(buffer
, expect1
));
125 r
= dns_label_unescape_suffix(what
, &label
, buffer
, buffer_sz
);
126 assert_se(r
== ret2
);
128 assert_se(streq(buffer
, expect2
));
131 static void test_dns_label_unescape_suffix(void) {
132 test_dns_label_unescape_suffix_one("hallo", "hallo", "", 6, 5, 0);
133 test_dns_label_unescape_suffix_one("hallo", "hallo", "", 4, -ENOBUFS
, -ENOBUFS
);
134 test_dns_label_unescape_suffix_one("", "", "", 10, 0, 0);
135 test_dns_label_unescape_suffix_one("hallo\\.foobar", "hallo.foobar", "", 20, 12, 0);
136 test_dns_label_unescape_suffix_one("hallo.foobar", "foobar", "hallo", 10, 6, 5);
137 test_dns_label_unescape_suffix_one("hallo.foobar\n", "foobar", "foobar", 20, -EINVAL
, -EINVAL
);
138 test_dns_label_unescape_suffix_one("hallo\\", "hallo", "hallo", 20, -EINVAL
, -EINVAL
);
139 test_dns_label_unescape_suffix_one("hallo\\032 ", "hallo ", "", 20, 7, 0);
140 test_dns_label_unescape_suffix_one(".", "", "", 20, 0, 0);
141 test_dns_label_unescape_suffix_one("..", "", "", 20, 0, -EINVAL
);
142 test_dns_label_unescape_suffix_one(".foobar", "foobar", "", 20, 6, -EINVAL
);
143 test_dns_label_unescape_suffix_one("foobar.", "foobar", "", 20, 6, 0);
144 test_dns_label_unescape_suffix_one("foo\\\\bar", "foo\\bar", "", 20, 7, 0);
145 test_dns_label_unescape_suffix_one("foo.bar", "bar", "foo", 20, 3, 3);
146 test_dns_label_unescape_suffix_one("foo..bar", "bar", "", 20, 3, -EINVAL
);
147 test_dns_label_unescape_suffix_one("foo...bar", "bar", "", 20, 3, -EINVAL
);
148 test_dns_label_unescape_suffix_one("foo\\.bar", "foo.bar", "", 20, 7, 0);
149 test_dns_label_unescape_suffix_one("foo\\\\.bar", "bar", "foo\\", 20, 3, 4);
150 test_dns_label_unescape_suffix_one("foo\\\\\\.bar", "foo\\.bar", "", 20, 8, 0);
153 static void test_dns_label_escape_one(const char *what
, size_t l
, const char *expect
, int ret
) {
154 _cleanup_free_
char *t
= NULL
;
157 r
= dns_label_escape_new(what
, l
, &t
);
163 assert_se(streq_ptr(expect
, t
));
166 static void test_dns_label_escape(void) {
167 test_dns_label_escape_one("", 0, NULL
, -EINVAL
);
168 test_dns_label_escape_one("hallo", 5, "hallo", 5);
169 test_dns_label_escape_one("hallo", 6, "hallo\\000", 9);
170 test_dns_label_escape_one("hallo hallo.foobar,waldi", 24, "hallo\\032hallo\\.foobar\\044waldi", 31);
173 static void test_dns_name_normalize_one(const char *what
, const char *expect
, int ret
) {
174 _cleanup_free_
char *t
= NULL
;
177 r
= dns_name_normalize(what
, &t
);
183 assert_se(streq_ptr(expect
, t
));
186 static void test_dns_name_normalize(void) {
187 test_dns_name_normalize_one("", ".", 0);
188 test_dns_name_normalize_one("f", "f", 0);
189 test_dns_name_normalize_one("f.waldi", "f.waldi", 0);
190 test_dns_name_normalize_one("f \\032.waldi", "f\\032\\032.waldi", 0);
191 test_dns_name_normalize_one("\\000", "\\000", 0);
192 test_dns_name_normalize_one("..", NULL
, -EINVAL
);
193 test_dns_name_normalize_one(".foobar", NULL
, -EINVAL
);
194 test_dns_name_normalize_one("foobar.", "foobar", 0);
195 test_dns_name_normalize_one(".", ".", 0);
198 static void test_dns_name_equal_one(const char *a
, const char *b
, int ret
) {
201 r
= dns_name_equal(a
, b
);
204 r
= dns_name_equal(b
, a
);
208 static void test_dns_name_equal(void) {
209 test_dns_name_equal_one("", "", true);
210 test_dns_name_equal_one("x", "x", true);
211 test_dns_name_equal_one("x", "x.", true);
212 test_dns_name_equal_one("abc.def", "abc.def", true);
213 test_dns_name_equal_one("abc.def", "ABC.def", true);
214 test_dns_name_equal_one("abc.def", "CBA.def", false);
215 test_dns_name_equal_one("", "xxx", false);
216 test_dns_name_equal_one("ab", "a", false);
217 test_dns_name_equal_one("\\000", "\\000", true);
218 test_dns_name_equal_one(".", "", true);
219 test_dns_name_equal_one(".", ".", true);
220 test_dns_name_equal_one("..", "..", -EINVAL
);
223 static void test_dns_name_between_one(const char *a
, const char *b
, const char *c
, int ret
) {
226 r
= dns_name_between(a
, b
, c
);
229 r
= dns_name_between(c
, b
, a
);
236 static void test_dns_name_between(void) {
237 /* see https://tools.ietf.org/html/rfc4034#section-6.1
238 Note that we use "\033.z.example" in stead of "\001.z.example" as we
239 consider the latter invalid */
240 test_dns_name_between_one("example", "a.example", "yljkjljk.a.example", true);
241 test_dns_name_between_one("a.example", "yljkjljk.a.example", "Z.a.example", true);
242 test_dns_name_between_one("yljkjljk.a.example", "Z.a.example", "zABC.a.EXAMPLE", true);
243 test_dns_name_between_one("Z.a.example", "zABC.a.EXAMPLE", "z.example", true);
244 test_dns_name_between_one("zABC.a.EXAMPLE", "z.example", "\\033.z.example", true);
245 test_dns_name_between_one("z.example", "\\033.z.example", "*.z.example", true);
246 test_dns_name_between_one("\\033.z.example", "*.z.example", "\\200.z.example", true);
247 test_dns_name_between_one("*.z.example", "\\200.z.example", "example", true);
248 test_dns_name_between_one("\\200.z.example", "example", "a.example", true);
250 test_dns_name_between_one("example", "a.example", "example", -EINVAL
);
251 test_dns_name_between_one("example", "example", "yljkjljk.a.example", false);
252 test_dns_name_between_one("example", "yljkjljk.a.example", "yljkjljk.a.example", false);
255 static void test_dns_name_endswith_one(const char *a
, const char *b
, int ret
) {
256 assert_se(dns_name_endswith(a
, b
) == ret
);
259 static void test_dns_name_endswith(void) {
260 test_dns_name_endswith_one("", "", true);
261 test_dns_name_endswith_one("", "xxx", false);
262 test_dns_name_endswith_one("xxx", "", true);
263 test_dns_name_endswith_one("x", "x", true);
264 test_dns_name_endswith_one("x", "y", false);
265 test_dns_name_endswith_one("x.y", "y", true);
266 test_dns_name_endswith_one("x.y", "Y", true);
267 test_dns_name_endswith_one("x.y", "x", false);
268 test_dns_name_endswith_one("x.y.z", "Z", true);
269 test_dns_name_endswith_one("x.y.z", "y.Z", true);
270 test_dns_name_endswith_one("x.y.z", "x.y.Z", true);
271 test_dns_name_endswith_one("x.y.z", "waldo", false);
272 test_dns_name_endswith_one("x.y.z.u.v.w", "y.z", false);
273 test_dns_name_endswith_one("x.y.z.u.v.w", "u.v.w", true);
274 test_dns_name_endswith_one("x.y\001.z", "waldo", -EINVAL
);
277 static void test_dns_name_startswith_one(const char *a
, const char *b
, int ret
) {
278 assert_se(dns_name_startswith(a
, b
) == ret
);
281 static void test_dns_name_startswith(void) {
282 test_dns_name_startswith_one("", "", true);
283 test_dns_name_startswith_one("", "xxx", false);
284 test_dns_name_startswith_one("xxx", "", true);
285 test_dns_name_startswith_one("x", "x", true);
286 test_dns_name_startswith_one("x", "y", false);
287 test_dns_name_startswith_one("x.y", "x.y", true);
288 test_dns_name_startswith_one("x.y", "y.x", false);
289 test_dns_name_startswith_one("x.y", "x", true);
290 test_dns_name_startswith_one("x.y", "X", true);
291 test_dns_name_startswith_one("x.y", "y", false);
292 test_dns_name_startswith_one("x.y", "", true);
293 test_dns_name_startswith_one("x.y", "X", true);
296 static void test_dns_name_is_root(void) {
297 assert_se(dns_name_is_root(""));
298 assert_se(dns_name_is_root("."));
299 assert_se(!dns_name_is_root("xxx"));
300 assert_se(!dns_name_is_root("xxx."));
301 assert_se(!dns_name_is_root(".."));
304 static void test_dns_name_is_single_label(void) {
305 assert_se(!dns_name_is_single_label(""));
306 assert_se(!dns_name_is_single_label("."));
307 assert_se(!dns_name_is_single_label(".."));
308 assert_se(dns_name_is_single_label("x"));
309 assert_se(dns_name_is_single_label("x."));
310 assert_se(!dns_name_is_single_label("xx.yy"));
313 static void test_dns_name_reverse_one(const char *address
, const char *name
) {
314 _cleanup_free_
char *p
= NULL
;
315 union in_addr_union a
, b
= {};
316 int familya
, familyb
;
318 assert_se(in_addr_from_string_auto(address
, &familya
, &a
) >= 0);
319 assert_se(dns_name_reverse(familya
, &a
, &p
) >= 0);
320 assert_se(streq(p
, name
));
321 assert_se(dns_name_address(p
, &familyb
, &b
) > 0);
322 assert_se(familya
== familyb
);
323 assert_se(in_addr_equal(familya
, &a
, &b
));
326 static void test_dns_name_reverse(void) {
327 test_dns_name_reverse_one("47.11.8.15", "15.8.11.47.in-addr.arpa");
328 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");
329 test_dns_name_reverse_one("127.0.0.1", "1.0.0.127.in-addr.arpa");
330 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");
333 static void test_dns_name_concat_one(const char *a
, const char *b
, int r
, const char *result
) {
334 _cleanup_free_
char *p
= NULL
;
336 assert_se(dns_name_concat(a
, b
, &p
) == r
);
337 assert_se(streq_ptr(p
, result
));
340 static void test_dns_name_concat(void) {
341 test_dns_name_concat_one("", "", 0, ".");
342 test_dns_name_concat_one(".", "", 0, ".");
343 test_dns_name_concat_one("", ".", 0, ".");
344 test_dns_name_concat_one(".", ".", 0, ".");
345 test_dns_name_concat_one("foo", "bar", 0, "foo.bar");
346 test_dns_name_concat_one("foo.foo", "bar.bar", 0, "foo.foo.bar.bar");
347 test_dns_name_concat_one("foo", NULL
, 0, "foo");
348 test_dns_name_concat_one("foo", ".", 0, "foo");
349 test_dns_name_concat_one("foo.", "bar.", 0, "foo.bar");
350 test_dns_name_concat_one(NULL
, NULL
, 0, ".");
351 test_dns_name_concat_one(NULL
, ".", 0, ".");
352 test_dns_name_concat_one(NULL
, "foo", 0, "foo");
355 static void test_dns_name_is_valid_one(const char *s
, int ret
) {
356 assert_se(dns_name_is_valid(s
) == ret
);
359 static void test_dns_name_is_valid(void) {
360 test_dns_name_is_valid_one("foo", 1);
361 test_dns_name_is_valid_one("foo.", 1);
362 test_dns_name_is_valid_one("Foo", 1);
363 test_dns_name_is_valid_one("foo.bar", 1);
364 test_dns_name_is_valid_one("foo.bar.baz", 1);
365 test_dns_name_is_valid_one("", 1);
366 test_dns_name_is_valid_one("foo..bar", 0);
367 test_dns_name_is_valid_one(".foo.bar", 0);
368 test_dns_name_is_valid_one("foo.bar.", 1);
369 test_dns_name_is_valid_one("\\zbar", 0);
370 test_dns_name_is_valid_one("ä", 1);
371 test_dns_name_is_valid_one("\n", 0);
374 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);
377 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);
380 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);
383 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);
385 /* label of 64 chars length */
386 test_dns_name_is_valid_one("a123456789a123456789a123456789a123456789a123456789a123456789a123", 0);
388 /* label of 63 chars length */
389 test_dns_name_is_valid_one("a123456789a123456789a123456789a123456789a123456789a123456789a12", 1);
392 static void test_dns_service_name_is_valid(void) {
393 assert_se(dns_service_name_is_valid("Lennart's Compüter"));
394 assert_se(dns_service_name_is_valid("piff.paff"));
396 assert_se(!dns_service_name_is_valid(NULL
));
397 assert_se(!dns_service_name_is_valid(""));
398 assert_se(!dns_service_name_is_valid("foo\nbar"));
399 assert_se(!dns_service_name_is_valid("foo\201bar"));
400 assert_se(!dns_service_name_is_valid("this is an overly long string that is certainly longer than 63 characters"));
403 static void test_dns_srv_type_is_valid(void) {
405 assert_se(dns_srv_type_is_valid("_http._tcp"));
406 assert_se(dns_srv_type_is_valid("_foo-bar._tcp"));
407 assert_se(dns_srv_type_is_valid("_w._udp"));
408 assert_se(dns_srv_type_is_valid("_a800._tcp"));
409 assert_se(dns_srv_type_is_valid("_a-800._tcp"));
411 assert_se(!dns_srv_type_is_valid(NULL
));
412 assert_se(!dns_srv_type_is_valid(""));
413 assert_se(!dns_srv_type_is_valid("x"));
414 assert_se(!dns_srv_type_is_valid("_foo"));
415 assert_se(!dns_srv_type_is_valid("_tcp"));
416 assert_se(!dns_srv_type_is_valid("_"));
417 assert_se(!dns_srv_type_is_valid("_foo."));
418 assert_se(!dns_srv_type_is_valid("_föo._tcp"));
419 assert_se(!dns_srv_type_is_valid("_f\no._tcp"));
420 assert_se(!dns_srv_type_is_valid("_800._tcp"));
421 assert_se(!dns_srv_type_is_valid("_-800._tcp"));
422 assert_se(!dns_srv_type_is_valid("_-foo._tcp"));
423 assert_se(!dns_srv_type_is_valid("_piep._foo._udp"));
426 static void test_dns_service_join_one(const char *a
, const char *b
, const char *c
, int r
, const char *d
) {
427 _cleanup_free_
char *x
= NULL
, *y
= NULL
, *z
= NULL
, *t
= NULL
;
429 assert_se(dns_service_join(a
, b
, c
, &t
) == r
);
430 assert_se(streq_ptr(t
, d
));
435 assert_se(dns_service_split(t
, &x
, &y
, &z
) >= 0);
436 assert_se(streq_ptr(a
, x
));
437 assert_se(streq_ptr(b
, y
));
438 assert_se(dns_name_equal(c
, z
) > 0);
441 static void test_dns_service_join(void) {
442 test_dns_service_join_one("", "", "", -EINVAL
, NULL
);
443 test_dns_service_join_one("", "_http._tcp", "", -EINVAL
, NULL
);
444 test_dns_service_join_one("", "_http._tcp", "foo", -EINVAL
, NULL
);
445 test_dns_service_join_one("foo", "", "foo", -EINVAL
, NULL
);
446 test_dns_service_join_one("foo", "foo", "foo", -EINVAL
, NULL
);
448 test_dns_service_join_one("foo", "_http._tcp", "", 0, "foo._http._tcp");
449 test_dns_service_join_one(NULL
, "_http._tcp", "", 0, "_http._tcp");
450 test_dns_service_join_one("foo", "_http._tcp", "foo", 0, "foo._http._tcp.foo");
451 test_dns_service_join_one(NULL
, "_http._tcp", "foo", 0, "_http._tcp.foo");
452 test_dns_service_join_one("Lennart's PC", "_pc._tcp", "foo.bar.com", 0, "Lennart\\039s\\032PC._pc._tcp.foo.bar.com");
453 test_dns_service_join_one(NULL
, "_pc._tcp", "foo.bar.com", 0, "_pc._tcp.foo.bar.com");
456 static void test_dns_service_split_one(const char *joined
, const char *a
, const char *b
, const char *c
, int r
) {
457 _cleanup_free_
char *x
= NULL
, *y
= NULL
, *z
= NULL
, *t
= NULL
;
459 assert_se(dns_service_split(joined
, &x
, &y
, &z
) == r
);
460 assert_se(streq_ptr(x
, a
));
461 assert_se(streq_ptr(y
, b
));
462 assert_se(streq_ptr(z
, c
));
468 assert_se(dns_service_join(x
, y
, z
, &t
) == 0);
469 assert_se(dns_name_equal(joined
, t
) > 0);
471 assert_se(!x
&& dns_name_equal(z
, joined
) > 0);
474 static void test_dns_service_split(void) {
475 test_dns_service_split_one("", NULL
, NULL
, ".", 0);
476 test_dns_service_split_one("foo", NULL
, NULL
, "foo", 0);
477 test_dns_service_split_one("foo.bar", NULL
, NULL
, "foo.bar", 0);
478 test_dns_service_split_one("_foo.bar", NULL
, NULL
, "_foo.bar", 0);
479 test_dns_service_split_one("_foo._bar", NULL
, "_foo._bar", ".", 0);
480 test_dns_service_split_one("_meh._foo._bar", "_meh", "_foo._bar", ".", 0);
481 test_dns_service_split_one("Wuff\\032Wuff._foo._bar.waldo.com", "Wuff Wuff", "_foo._bar", "waldo.com", 0);
484 static void test_dns_name_change_suffix_one(const char *name
, const char *old_suffix
, const char *new_suffix
, int r
, const char *result
) {
485 _cleanup_free_
char *s
= NULL
;
487 assert_se(dns_name_change_suffix(name
, old_suffix
, new_suffix
, &s
) == r
);
488 assert_se(streq_ptr(s
, result
));
491 static void test_dns_name_change_suffix(void) {
492 test_dns_name_change_suffix_one("foo.bar", "bar", "waldo", 1, "foo.waldo");
493 test_dns_name_change_suffix_one("foo.bar.waldi.quux", "foo.bar.waldi.quux", "piff.paff", 1, "piff.paff");
494 test_dns_name_change_suffix_one("foo.bar.waldi.quux", "bar.waldi.quux", "piff.paff", 1, "foo.piff.paff");
495 test_dns_name_change_suffix_one("foo.bar.waldi.quux", "waldi.quux", "piff.paff", 1, "foo.bar.piff.paff");
496 test_dns_name_change_suffix_one("foo.bar.waldi.quux", "quux", "piff.paff", 1, "foo.bar.waldi.piff.paff");
497 test_dns_name_change_suffix_one("foo.bar.waldi.quux", "", "piff.paff", 1, "foo.bar.waldi.quux.piff.paff");
498 test_dns_name_change_suffix_one("", "", "piff.paff", 1, "piff.paff");
499 test_dns_name_change_suffix_one("", "", "", 1, ".");
500 test_dns_name_change_suffix_one("a", "b", "c", 0, NULL
);
503 static void test_dns_name_suffix_one(const char *name
, unsigned n_labels
, const char *result
, int ret
) {
504 const char *p
= NULL
;
506 assert_se(ret
== dns_name_suffix(name
, n_labels
, &p
));
507 assert_se(streq_ptr(p
, result
));
510 static void test_dns_name_suffix(void) {
511 test_dns_name_suffix_one("foo.bar", 2, "foo.bar", 0);
512 test_dns_name_suffix_one("foo.bar", 1, "bar", 1);
513 test_dns_name_suffix_one("foo.bar", 0, "", 2);
514 test_dns_name_suffix_one("foo.bar", 3, NULL
, -EINVAL
);
515 test_dns_name_suffix_one("foo.bar", 4, NULL
, -EINVAL
);
517 test_dns_name_suffix_one("bar", 1, "bar", 0);
518 test_dns_name_suffix_one("bar", 0, "", 1);
519 test_dns_name_suffix_one("bar", 2, NULL
, -EINVAL
);
520 test_dns_name_suffix_one("bar", 3, NULL
, -EINVAL
);
522 test_dns_name_suffix_one("", 0, "", 0);
523 test_dns_name_suffix_one("", 1, NULL
, -EINVAL
);
524 test_dns_name_suffix_one("", 2, NULL
, -EINVAL
);
527 static void test_dns_name_count_labels_one(const char *name
, int n
) {
528 assert_se(dns_name_count_labels(name
) == n
);
531 static void test_dns_name_count_labels(void) {
532 test_dns_name_count_labels_one("foo.bar.quux.", 3);
533 test_dns_name_count_labels_one("foo.bar.quux", 3);
534 test_dns_name_count_labels_one("foo.bar.", 2);
535 test_dns_name_count_labels_one("foo.bar", 2);
536 test_dns_name_count_labels_one("foo.", 1);
537 test_dns_name_count_labels_one("foo", 1);
538 test_dns_name_count_labels_one("", 0);
539 test_dns_name_count_labels_one(".", 0);
540 test_dns_name_count_labels_one("..", -EINVAL
);
543 static void test_dns_name_equal_skip_one(const char *a
, unsigned n_labels
, const char *b
, int ret
) {
544 assert_se(dns_name_equal_skip(a
, n_labels
, b
) == ret
);
547 static void test_dns_name_equal_skip(void) {
548 test_dns_name_equal_skip_one("foo", 0, "bar", 0);
549 test_dns_name_equal_skip_one("foo", 0, "foo", 1);
550 test_dns_name_equal_skip_one("foo", 1, "foo", 0);
551 test_dns_name_equal_skip_one("foo", 2, "foo", 0);
553 test_dns_name_equal_skip_one("foo.bar", 0, "foo.bar", 1);
554 test_dns_name_equal_skip_one("foo.bar", 1, "foo.bar", 0);
555 test_dns_name_equal_skip_one("foo.bar", 2, "foo.bar", 0);
556 test_dns_name_equal_skip_one("foo.bar", 3, "foo.bar", 0);
558 test_dns_name_equal_skip_one("foo.bar", 0, "bar", 0);
559 test_dns_name_equal_skip_one("foo.bar", 1, "bar", 1);
560 test_dns_name_equal_skip_one("foo.bar", 2, "bar", 0);
561 test_dns_name_equal_skip_one("foo.bar", 3, "bar", 0);
563 test_dns_name_equal_skip_one("foo.bar", 0, "", 0);
564 test_dns_name_equal_skip_one("foo.bar", 1, "", 0);
565 test_dns_name_equal_skip_one("foo.bar", 2, "", 1);
566 test_dns_name_equal_skip_one("foo.bar", 3, "", 0);
568 test_dns_name_equal_skip_one("", 0, "", 1);
569 test_dns_name_equal_skip_one("", 1, "", 0);
570 test_dns_name_equal_skip_one("", 1, "foo", 0);
571 test_dns_name_equal_skip_one("", 2, "foo", 0);
574 static void test_dns_name_compare_func(void) {
575 assert_se(dns_name_compare_func("", "") == 0);
576 assert_se(dns_name_compare_func("", ".") == 0);
577 assert_se(dns_name_compare_func(".", "") == 0);
578 assert_se(dns_name_compare_func("foo", "foo.") == 0);
579 assert_se(dns_name_compare_func("foo.", "foo") == 0);
580 assert_se(dns_name_compare_func("foo", "foo") == 0);
581 assert_se(dns_name_compare_func("foo.", "foo.") == 0);
582 assert_se(dns_name_compare_func("heise.de", "HEISE.DE.") == 0);
584 assert_se(dns_name_compare_func("de.", "heise.de") != 0);
587 static void test_dns_name_common_suffix_one(const char *a
, const char *b
, const char *result
) {
590 assert_se(dns_name_common_suffix(a
, b
, &c
) >= 0);
591 assert_se(streq(c
, result
));
594 static void test_dns_name_common_suffix(void) {
595 test_dns_name_common_suffix_one("", "", "");
596 test_dns_name_common_suffix_one("foo", "", "");
597 test_dns_name_common_suffix_one("", "foo", "");
598 test_dns_name_common_suffix_one("foo", "bar", "");
599 test_dns_name_common_suffix_one("bar", "foo", "");
600 test_dns_name_common_suffix_one("foo", "foo", "foo");
601 test_dns_name_common_suffix_one("quux.foo", "foo", "foo");
602 test_dns_name_common_suffix_one("foo", "quux.foo", "foo");
603 test_dns_name_common_suffix_one("this.is.a.short.sentence", "this.is.another.short.sentence", "short.sentence");
604 test_dns_name_common_suffix_one("FOO.BAR", "tEST.bAR", "BAR");
607 static void test_dns_name_apply_idna_one(const char *s
, const char *result
) {
609 _cleanup_free_
char *buf
= NULL
;
610 assert_se(dns_name_apply_idna(s
, &buf
) >= 0);
611 assert_se(dns_name_equal(buf
, result
) > 0);
615 static void test_dns_name_apply_idna(void) {
616 test_dns_name_apply_idna_one("", "");
617 test_dns_name_apply_idna_one("foo", "foo");
618 test_dns_name_apply_idna_one("foo.", "foo");
619 test_dns_name_apply_idna_one("foo.bar", "foo.bar");
620 test_dns_name_apply_idna_one("foo.bar.", "foo.bar");
621 test_dns_name_apply_idna_one("föö", "xn--f-1gaa");
622 test_dns_name_apply_idna_one("föö.", "xn--f-1gaa");
623 test_dns_name_apply_idna_one("föö.bär", "xn--f-1gaa.xn--br-via");
624 test_dns_name_apply_idna_one("föö.bär.", "xn--f-1gaa.xn--br-via");
627 int main(int argc
, char *argv
[]) {
629 test_dns_label_unescape();
630 test_dns_label_unescape_suffix();
631 test_dns_label_escape();
632 test_dns_name_normalize();
633 test_dns_name_equal();
634 test_dns_name_endswith();
635 test_dns_name_startswith();
636 test_dns_name_between();
637 test_dns_name_is_root();
638 test_dns_name_is_single_label();
639 test_dns_name_reverse();
640 test_dns_name_concat();
641 test_dns_name_is_valid();
642 test_dns_name_to_wire_format();
643 test_dns_service_name_is_valid();
644 test_dns_srv_type_is_valid();
645 test_dns_service_join();
646 test_dns_service_split();
647 test_dns_name_change_suffix();
648 test_dns_name_suffix();
649 test_dns_name_count_labels();
650 test_dns_name_equal_skip();
651 test_dns_name_compare_func();
652 test_dns_name_common_suffix();
653 test_dns_name_apply_idna();