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Commit | Line | Data |
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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
f4912f3a | 2 | |
e762ea74 | 3 | #include <fnmatch.h> |
f4912f3a LP |
4 | #include <netinet/in.h> |
5 | ||
6 | #include "in-addr-util.h" | |
0bc311bb YW |
7 | #include "strv.h" |
8 | #include "tests.h" | |
f4912f3a | 9 | |
146cf7f0 | 10 | static void test_in_addr_prefix_from_string_one( |
9e0fdc21 YW |
11 | const char *p, |
12 | int family, | |
13 | int ret, | |
14 | const union in_addr_union *u, | |
15 | unsigned char prefixlen, | |
16 | int ret_refuse, | |
34023570 | 17 | unsigned char prefixlen_refuse) { |
9e0fdc21 | 18 | |
f4912f3a LP |
19 | union in_addr_union q; |
20 | unsigned char l; | |
9e0fdc21 | 21 | int f, r; |
f4912f3a | 22 | |
9e0fdc21 | 23 | r = in_addr_prefix_from_string(p, family, &q, &l); |
f4912f3a LP |
24 | assert_se(r == ret); |
25 | ||
9e0fdc21 YW |
26 | if (r < 0) |
27 | return; | |
28 | ||
29 | assert_se(in_addr_equal(family, &q, u)); | |
30 | assert_se(l == prefixlen); | |
31 | ||
32 | r = in_addr_prefix_from_string_auto(p, &f, &q, &l); | |
33 | assert_se(r >= 0); | |
34 | ||
35 | assert_se(f == family); | |
36 | assert_se(in_addr_equal(family, &q, u)); | |
37 | assert_se(l == prefixlen); | |
38 | ||
c1316cd0 | 39 | r = in_addr_prefix_from_string_auto_full(p, PREFIXLEN_REFUSE, &f, &q, &l); |
9e0fdc21 | 40 | assert_se(r == ret_refuse); |
f4912f3a | 41 | |
9e0fdc21 YW |
42 | if (r >= 0) { |
43 | assert_se(f == family); | |
f4912f3a | 44 | assert_se(in_addr_equal(family, &q, u)); |
9e0fdc21 YW |
45 | assert_se(l == prefixlen_refuse); |
46 | } | |
f4912f3a LP |
47 | } |
48 | ||
4f7452a8 | 49 | TEST(in_addr_prefix_from_string) { |
34023570 YW |
50 | test_in_addr_prefix_from_string_one("", AF_INET, -EINVAL, NULL, 0, -EINVAL, 0); |
51 | test_in_addr_prefix_from_string_one("/", AF_INET, -EINVAL, NULL, 0, -EINVAL, 0); | |
52 | test_in_addr_prefix_from_string_one("/8", AF_INET, -EINVAL, NULL, 0, -EINVAL, 0); | |
53 | test_in_addr_prefix_from_string_one("1.2.3.4", AF_INET, 0, &(union in_addr_union) { .in = (struct in_addr) { .s_addr = htobe32(0x01020304) } }, 32, -ENOANO, 0); | |
54 | test_in_addr_prefix_from_string_one("1.2.3.4/0", AF_INET, 0, &(union in_addr_union) { .in = (struct in_addr) { .s_addr = htobe32(0x01020304) } }, 0, 0, 0); | |
55 | test_in_addr_prefix_from_string_one("1.2.3.4/1", AF_INET, 0, &(union in_addr_union) { .in = (struct in_addr) { .s_addr = htobe32(0x01020304) } }, 1, 0, 1); | |
56 | test_in_addr_prefix_from_string_one("1.2.3.4/2", AF_INET, 0, &(union in_addr_union) { .in = (struct in_addr) { .s_addr = htobe32(0x01020304) } }, 2, 0, 2); | |
57 | test_in_addr_prefix_from_string_one("1.2.3.4/32", AF_INET, 0, &(union in_addr_union) { .in = (struct in_addr) { .s_addr = htobe32(0x01020304) } }, 32, 0, 32); | |
58 | test_in_addr_prefix_from_string_one("1.2.3.4/33", AF_INET, -ERANGE, NULL, 0, -ERANGE, 0); | |
59 | test_in_addr_prefix_from_string_one("1.2.3.4/-1", AF_INET, -ERANGE, NULL, 0, -ERANGE, 0); | |
60 | test_in_addr_prefix_from_string_one("::1", AF_INET, -EINVAL, NULL, 0, -EINVAL, 0); | |
61 | ||
62 | test_in_addr_prefix_from_string_one("", AF_INET6, -EINVAL, NULL, 0, -EINVAL, 0); | |
63 | test_in_addr_prefix_from_string_one("/", AF_INET6, -EINVAL, NULL, 0, -EINVAL, 0); | |
64 | test_in_addr_prefix_from_string_one("/8", AF_INET6, -EINVAL, NULL, 0, -EINVAL, 0); | |
65 | test_in_addr_prefix_from_string_one("::1", AF_INET6, 0, &(union in_addr_union) { .in6 = IN6ADDR_LOOPBACK_INIT }, 128, -ENOANO, 0); | |
66 | test_in_addr_prefix_from_string_one("::1/0", AF_INET6, 0, &(union in_addr_union) { .in6 = IN6ADDR_LOOPBACK_INIT }, 0, 0, 0); | |
67 | test_in_addr_prefix_from_string_one("::1/1", AF_INET6, 0, &(union in_addr_union) { .in6 = IN6ADDR_LOOPBACK_INIT }, 1, 0, 1); | |
68 | test_in_addr_prefix_from_string_one("::1/2", AF_INET6, 0, &(union in_addr_union) { .in6 = IN6ADDR_LOOPBACK_INIT }, 2, 0, 2); | |
69 | test_in_addr_prefix_from_string_one("::1/32", AF_INET6, 0, &(union in_addr_union) { .in6 = IN6ADDR_LOOPBACK_INIT }, 32, 0, 32); | |
70 | test_in_addr_prefix_from_string_one("::1/33", AF_INET6, 0, &(union in_addr_union) { .in6 = IN6ADDR_LOOPBACK_INIT }, 33, 0, 33); | |
71 | test_in_addr_prefix_from_string_one("::1/64", AF_INET6, 0, &(union in_addr_union) { .in6 = IN6ADDR_LOOPBACK_INIT }, 64, 0, 64); | |
72 | test_in_addr_prefix_from_string_one("::1/128", AF_INET6, 0, &(union in_addr_union) { .in6 = IN6ADDR_LOOPBACK_INIT }, 128, 0, 128); | |
73 | test_in_addr_prefix_from_string_one("::1/129", AF_INET6, -ERANGE, NULL, 0, -ERANGE, 0); | |
74 | test_in_addr_prefix_from_string_one("::1/-1", AF_INET6, -ERANGE, NULL, 0, -ERANGE, 0); | |
146cf7f0 YW |
75 | } |
76 | ||
9201eea1 | 77 | static void test_in_addr_prefix_to_string_valid(int family, const char *p) { |
9201eea1 YW |
78 | union in_addr_union u; |
79 | unsigned char l; | |
80 | ||
38c30b35 | 81 | log_info("%s: %s", __func__, p); |
9201eea1 YW |
82 | |
83 | assert_se(in_addr_prefix_from_string(p, family, &u, &l) >= 0); | |
c79e88b3 | 84 | ASSERT_STREQ(p, IN_ADDR_PREFIX_TO_STRING(family, &u, l)); |
9201eea1 YW |
85 | } |
86 | ||
87 | static void test_in_addr_prefix_to_string_unoptimized(int family, const char *p) { | |
9201eea1 YW |
88 | union in_addr_union u1, u2; |
89 | unsigned char len1, len2; | |
90 | ||
38c30b35 | 91 | log_info("%s: %s", __func__, p); |
9201eea1 YW |
92 | |
93 | assert_se(in_addr_prefix_from_string(p, family, &u1, &len1) >= 0); | |
c71384a9 ZJS |
94 | const char *str1 = IN_ADDR_PREFIX_TO_STRING(family, &u1, len1); |
95 | assert_se(str1); | |
9201eea1 | 96 | assert_se(in_addr_prefix_from_string(str1, family, &u2, &len2) >= 0); |
c71384a9 ZJS |
97 | const char *str2 = IN_ADDR_PREFIX_TO_STRING(family, &u2, len2); |
98 | assert_se(str2); | |
9201eea1 | 99 | |
c79e88b3 | 100 | ASSERT_STREQ(str1, str2); |
9201eea1 YW |
101 | assert_se(len1 == len2); |
102 | assert_se(in_addr_equal(family, &u1, &u2) > 0); | |
103 | } | |
104 | ||
4f7452a8 | 105 | TEST(in_addr_prefix_to_string) { |
9201eea1 YW |
106 | test_in_addr_prefix_to_string_valid(AF_INET, "0.0.0.0/32"); |
107 | test_in_addr_prefix_to_string_valid(AF_INET, "1.2.3.4/0"); | |
108 | test_in_addr_prefix_to_string_valid(AF_INET, "1.2.3.4/24"); | |
109 | test_in_addr_prefix_to_string_valid(AF_INET, "1.2.3.4/32"); | |
110 | test_in_addr_prefix_to_string_valid(AF_INET, "255.255.255.255/32"); | |
111 | ||
112 | test_in_addr_prefix_to_string_valid(AF_INET6, "::1/128"); | |
113 | test_in_addr_prefix_to_string_valid(AF_INET6, "fd00:abcd::1/64"); | |
114 | test_in_addr_prefix_to_string_valid(AF_INET6, "fd00:abcd::1234:1/64"); | |
115 | test_in_addr_prefix_to_string_valid(AF_INET6, "1111:2222:3333:4444:5555:6666:7777:8888/128"); | |
116 | ||
117 | test_in_addr_prefix_to_string_unoptimized(AF_INET, "0.0.0.0"); | |
118 | test_in_addr_prefix_to_string_unoptimized(AF_INET, "192.168.0.1"); | |
119 | ||
120 | test_in_addr_prefix_to_string_unoptimized(AF_INET6, "fd00:0000:0000:0000:0000:0000:0000:0001/64"); | |
121 | test_in_addr_prefix_to_string_unoptimized(AF_INET6, "fd00:1111::0000:2222:3333:4444:0001/64"); | |
122 | } | |
123 | ||
4f7452a8 | 124 | TEST(in_addr_random_prefix) { |
e762ea74 YW |
125 | _cleanup_free_ char *str = NULL; |
126 | union in_addr_union a; | |
127 | ||
128 | assert_se(in_addr_from_string(AF_INET, "192.168.10.1", &a) >= 0); | |
129 | ||
130 | assert_se(in_addr_random_prefix(AF_INET, &a, 31, 32) >= 0); | |
131 | assert_se(in_addr_to_string(AF_INET, &a, &str) >= 0); | |
132 | assert_se(STR_IN_SET(str, "192.168.10.0", "192.168.10.1")); | |
133 | str = mfree(str); | |
134 | ||
135 | assert_se(in_addr_random_prefix(AF_INET, &a, 24, 26) >= 0); | |
136 | assert_se(in_addr_to_string(AF_INET, &a, &str) >= 0); | |
137 | assert_se(startswith(str, "192.168.10.")); | |
138 | str = mfree(str); | |
139 | ||
140 | assert_se(in_addr_random_prefix(AF_INET, &a, 16, 24) >= 0); | |
141 | assert_se(in_addr_to_string(AF_INET, &a, &str) >= 0); | |
142 | assert_se(fnmatch("192.168.[0-9]*.0", str, 0) == 0); | |
143 | str = mfree(str); | |
144 | ||
145 | assert_se(in_addr_random_prefix(AF_INET, &a, 8, 24) >= 0); | |
146 | assert_se(in_addr_to_string(AF_INET, &a, &str) >= 0); | |
147 | assert_se(fnmatch("192.[0-9]*.[0-9]*.0", str, 0) == 0); | |
148 | str = mfree(str); | |
149 | ||
150 | assert_se(in_addr_random_prefix(AF_INET, &a, 8, 16) >= 0); | |
151 | assert_se(in_addr_to_string(AF_INET, &a, &str) >= 0); | |
152 | assert_se(fnmatch("192.[0-9]*.0.0", str, 0) == 0); | |
153 | str = mfree(str); | |
154 | ||
155 | assert_se(in_addr_from_string(AF_INET6, "fd00::1", &a) >= 0); | |
156 | ||
157 | assert_se(in_addr_random_prefix(AF_INET6, &a, 16, 64) >= 0); | |
158 | assert_se(in_addr_to_string(AF_INET6, &a, &str) >= 0); | |
159 | assert_se(startswith(str, "fd00:")); | |
160 | str = mfree(str); | |
161 | ||
162 | assert_se(in_addr_random_prefix(AF_INET6, &a, 8, 16) >= 0); | |
163 | assert_se(in_addr_to_string(AF_INET6, &a, &str) >= 0); | |
164 | assert_se(fnmatch("fd??::", str, 0) == 0); | |
165 | str = mfree(str); | |
166 | } | |
167 | ||
4f7452a8 | 168 | TEST(in_addr_is_null) { |
23c5aeaa YW |
169 | union in_addr_union i = {}; |
170 | ||
23c5aeaa YW |
171 | assert_se(in_addr_is_null(AF_INET, &i) == true); |
172 | assert_se(in_addr_is_null(AF_INET6, &i) == true); | |
173 | ||
174 | i.in.s_addr = 0x1000000; | |
175 | assert_se(in_addr_is_null(AF_INET, &i) == false); | |
176 | assert_se(in_addr_is_null(AF_INET6, &i) == false); | |
177 | ||
178 | assert_se(in_addr_is_null(-1, &i) == -EAFNOSUPPORT); | |
179 | } | |
180 | ||
181 | static void test_in_addr_prefix_intersect_one(unsigned f, const char *a, unsigned apl, const char *b, unsigned bpl, int result) { | |
182 | union in_addr_union ua, ub; | |
183 | ||
184 | assert_se(in_addr_from_string(f, a, &ua) >= 0); | |
185 | assert_se(in_addr_from_string(f, b, &ub) >= 0); | |
186 | ||
187 | assert_se(in_addr_prefix_intersect(f, &ua, apl, &ub, bpl) == result); | |
188 | } | |
189 | ||
4f7452a8 | 190 | TEST(in_addr_prefix_intersect) { |
23c5aeaa YW |
191 | test_in_addr_prefix_intersect_one(AF_INET, "255.255.255.255", 32, "255.255.255.254", 32, 0); |
192 | test_in_addr_prefix_intersect_one(AF_INET, "255.255.255.255", 0, "255.255.255.255", 32, 1); | |
193 | test_in_addr_prefix_intersect_one(AF_INET, "0.0.0.0", 0, "47.11.8.15", 32, 1); | |
194 | ||
195 | test_in_addr_prefix_intersect_one(AF_INET, "1.1.1.1", 24, "1.1.1.1", 24, 1); | |
196 | test_in_addr_prefix_intersect_one(AF_INET, "2.2.2.2", 24, "1.1.1.1", 24, 0); | |
197 | ||
198 | test_in_addr_prefix_intersect_one(AF_INET, "1.1.1.1", 24, "1.1.1.127", 25, 1); | |
199 | test_in_addr_prefix_intersect_one(AF_INET, "1.1.1.1", 24, "1.1.1.127", 26, 1); | |
200 | test_in_addr_prefix_intersect_one(AF_INET, "1.1.1.1", 25, "1.1.1.127", 25, 1); | |
201 | test_in_addr_prefix_intersect_one(AF_INET, "1.1.1.1", 25, "1.1.1.255", 25, 0); | |
202 | ||
203 | test_in_addr_prefix_intersect_one(AF_INET6, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff", 128, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffe", 128, 0); | |
204 | test_in_addr_prefix_intersect_one(AF_INET6, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff", 0, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff", 128, 1); | |
205 | test_in_addr_prefix_intersect_one(AF_INET6, "::", 0, "beef:beef:beef:beef:beef:beef:beef:beef", 128, 1); | |
206 | ||
207 | test_in_addr_prefix_intersect_one(AF_INET6, "1::2", 64, "1::2", 64, 1); | |
208 | test_in_addr_prefix_intersect_one(AF_INET6, "2::2", 64, "1::2", 64, 0); | |
209 | ||
210 | test_in_addr_prefix_intersect_one(AF_INET6, "1::1", 120, "1::007f", 121, 1); | |
211 | test_in_addr_prefix_intersect_one(AF_INET6, "1::1", 120, "1::007f", 122, 1); | |
212 | test_in_addr_prefix_intersect_one(AF_INET6, "1::1", 121, "1::007f", 121, 1); | |
213 | test_in_addr_prefix_intersect_one(AF_INET6, "1::1", 121, "1::00ff", 121, 0); | |
214 | } | |
215 | ||
216 | static void test_in_addr_prefix_next_one(unsigned f, const char *before, unsigned pl, const char *after) { | |
217 | union in_addr_union ubefore, uafter, t; | |
218 | ||
0bc311bb | 219 | log_debug("/* %s(%s, prefixlen=%u) */", __func__, before, pl); |
9164338b | 220 | |
23c5aeaa YW |
221 | assert_se(in_addr_from_string(f, before, &ubefore) >= 0); |
222 | ||
223 | t = ubefore; | |
518b6da5 | 224 | assert_se((in_addr_prefix_next(f, &t, pl) >= 0) == !!after); |
23c5aeaa YW |
225 | |
226 | if (after) { | |
227 | assert_se(in_addr_from_string(f, after, &uafter) >= 0); | |
228 | assert_se(in_addr_equal(f, &t, &uafter) > 0); | |
229 | } | |
230 | } | |
231 | ||
4f7452a8 | 232 | TEST(in_addr_prefix_next) { |
23c5aeaa YW |
233 | test_in_addr_prefix_next_one(AF_INET, "192.168.0.0", 24, "192.168.1.0"); |
234 | test_in_addr_prefix_next_one(AF_INET, "192.168.0.0", 16, "192.169.0.0"); | |
235 | test_in_addr_prefix_next_one(AF_INET, "192.168.0.0", 20, "192.168.16.0"); | |
236 | ||
237 | test_in_addr_prefix_next_one(AF_INET, "0.0.0.0", 32, "0.0.0.1"); | |
9164338b | 238 | test_in_addr_prefix_next_one(AF_INET, "255.255.255.254", 32, "255.255.255.255"); |
23c5aeaa YW |
239 | test_in_addr_prefix_next_one(AF_INET, "255.255.255.255", 32, NULL); |
240 | test_in_addr_prefix_next_one(AF_INET, "255.255.255.0", 24, NULL); | |
241 | ||
242 | test_in_addr_prefix_next_one(AF_INET6, "4400::", 128, "4400::0001"); | |
243 | test_in_addr_prefix_next_one(AF_INET6, "4400::", 120, "4400::0100"); | |
244 | test_in_addr_prefix_next_one(AF_INET6, "4400::", 127, "4400::0002"); | |
245 | test_in_addr_prefix_next_one(AF_INET6, "4400::", 8, "4500::"); | |
246 | test_in_addr_prefix_next_one(AF_INET6, "4400::", 7, "4600::"); | |
247 | ||
248 | test_in_addr_prefix_next_one(AF_INET6, "::", 128, "::1"); | |
249 | ||
250 | test_in_addr_prefix_next_one(AF_INET6, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff", 128, NULL); | |
251 | test_in_addr_prefix_next_one(AF_INET6, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ff00", 120, NULL); | |
252 | } | |
253 | ||
254 | static void test_in_addr_prefix_nth_one(unsigned f, const char *before, unsigned pl, uint64_t nth, const char *after) { | |
255 | union in_addr_union ubefore, uafter, t; | |
256 | ||
0bc311bb | 257 | log_debug("/* %s(%s, prefixlen=%u, nth=%"PRIu64") */", __func__, before, pl, nth); |
9164338b | 258 | |
23c5aeaa YW |
259 | assert_se(in_addr_from_string(f, before, &ubefore) >= 0); |
260 | ||
261 | t = ubefore; | |
518b6da5 | 262 | assert_se((in_addr_prefix_nth(f, &t, pl, nth) >= 0) == !!after); |
23c5aeaa YW |
263 | |
264 | if (after) { | |
265 | assert_se(in_addr_from_string(f, after, &uafter) >= 0); | |
266 | assert_se(in_addr_equal(f, &t, &uafter) > 0); | |
267 | } | |
268 | } | |
269 | ||
4f7452a8 | 270 | TEST(in_addr_prefix_nth) { |
23c5aeaa | 271 | test_in_addr_prefix_nth_one(AF_INET, "192.168.0.0", 24, 0, "192.168.0.0"); |
9164338b YW |
272 | test_in_addr_prefix_nth_one(AF_INET, "192.168.0.123", 24, 0, "192.168.0.0"); |
273 | test_in_addr_prefix_nth_one(AF_INET, "192.168.0.123", 24, 1, "192.168.1.0"); | |
23c5aeaa YW |
274 | test_in_addr_prefix_nth_one(AF_INET, "192.168.0.0", 24, 4, "192.168.4.0"); |
275 | test_in_addr_prefix_nth_one(AF_INET, "192.168.0.0", 25, 1, "192.168.0.128"); | |
276 | test_in_addr_prefix_nth_one(AF_INET, "192.168.255.0", 25, 1, "192.168.255.128"); | |
277 | test_in_addr_prefix_nth_one(AF_INET, "192.168.255.0", 24, 0, "192.168.255.0"); | |
278 | test_in_addr_prefix_nth_one(AF_INET, "255.255.255.255", 32, 1, NULL); | |
279 | test_in_addr_prefix_nth_one(AF_INET, "255.255.255.255", 0, 1, NULL); | |
280 | ||
281 | test_in_addr_prefix_nth_one(AF_INET6, "4400::", 8, 1, "4500::"); | |
282 | test_in_addr_prefix_nth_one(AF_INET6, "4400::", 7, 1, "4600::"); | |
283 | test_in_addr_prefix_nth_one(AF_INET6, "4400::", 64, 1, "4400:0:0:1::"); | |
284 | test_in_addr_prefix_nth_one(AF_INET6, "4400::", 64, 2, "4400:0:0:2::"); | |
285 | test_in_addr_prefix_nth_one(AF_INET6, "4400::", 64, 0xbad, "4400:0:0:0bad::"); | |
286 | test_in_addr_prefix_nth_one(AF_INET6, "4400:0:0:ffff::", 64, 1, "4400:0:1::"); | |
287 | test_in_addr_prefix_nth_one(AF_INET6, "4400::", 56, ((uint64_t)1<<48) -1, "44ff:ffff:ffff:ff00::"); | |
288 | test_in_addr_prefix_nth_one(AF_INET6, "0000::", 8, 255, "ff00::"); | |
289 | test_in_addr_prefix_nth_one(AF_INET6, "0000::", 8, 256, NULL); | |
290 | test_in_addr_prefix_nth_one(AF_INET6, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff", 128, 1, NULL); | |
291 | test_in_addr_prefix_nth_one(AF_INET6, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff", 0, 1, NULL); | |
9164338b | 292 | test_in_addr_prefix_nth_one(AF_INET6, "1234:5678:90ab:cdef:1234:5678:90ab:cdef", 12, 1, "1240::"); |
23c5aeaa YW |
293 | } |
294 | ||
1534c579 YW |
295 | static void test_in_addr_prefix_range_one( |
296 | int family, | |
297 | const char *in, | |
298 | unsigned prefixlen, | |
299 | const char *expected_start, | |
300 | const char *expected_end) { | |
301 | ||
302 | union in_addr_union a, s, e; | |
303 | ||
0bc311bb | 304 | log_debug("/* %s(%s, prefixlen=%u) */", __func__, in, prefixlen); |
1534c579 YW |
305 | |
306 | assert_se(in_addr_from_string(family, in, &a) >= 0); | |
307 | assert_se((in_addr_prefix_range(family, &a, prefixlen, &s, &e) >= 0) == !!expected_start); | |
308 | ||
309 | if (expected_start) { | |
310 | union in_addr_union es; | |
311 | ||
312 | assert_se(in_addr_from_string(family, expected_start, &es) >= 0); | |
313 | assert_se(in_addr_equal(family, &s, &es) > 0); | |
314 | } | |
315 | if (expected_end) { | |
316 | union in_addr_union ee; | |
317 | ||
318 | assert_se(in_addr_from_string(family, expected_end, &ee) >= 0); | |
319 | assert_se(in_addr_equal(family, &e, &ee) > 0); | |
320 | } | |
321 | } | |
322 | ||
4f7452a8 | 323 | TEST(in_addr_prefix_range) { |
1534c579 YW |
324 | test_in_addr_prefix_range_one(AF_INET, "192.168.123.123", 24, "192.168.123.0", "192.168.124.0"); |
325 | test_in_addr_prefix_range_one(AF_INET, "192.168.123.123", 16, "192.168.0.0", "192.169.0.0"); | |
326 | ||
327 | test_in_addr_prefix_range_one(AF_INET6, "dead:beef::", 64, "dead:beef::", "dead:beef:0:1::"); | |
328 | test_in_addr_prefix_range_one(AF_INET6, "dead:0:0:beef::", 64, "dead:0:0:beef::", "dead:0:0:bef0::"); | |
329 | test_in_addr_prefix_range_one(AF_INET6, "2001::", 48, "2001::", "2001:0:1::"); | |
330 | test_in_addr_prefix_range_one(AF_INET6, "2001::", 56, "2001::", "2001:0:0:0100::"); | |
331 | test_in_addr_prefix_range_one(AF_INET6, "2001::", 65, "2001::", "2001::8000:0:0:0"); | |
332 | test_in_addr_prefix_range_one(AF_INET6, "2001::", 66, "2001::", "2001::4000:0:0:0"); | |
333 | test_in_addr_prefix_range_one(AF_INET6, "2001::", 127, "2001::", "2001::2"); | |
334 | } | |
335 | ||
23c5aeaa YW |
336 | static void test_in_addr_to_string_one(int f, const char *addr) { |
337 | union in_addr_union ua; | |
84dbb3fd | 338 | _cleanup_free_ char *r; |
23c5aeaa YW |
339 | |
340 | assert_se(in_addr_from_string(f, addr, &ua) >= 0); | |
341 | assert_se(in_addr_to_string(f, &ua, &r) >= 0); | |
61af1813 | 342 | printf("%s: %s == %s\n", __func__, addr, r); |
c79e88b3 | 343 | ASSERT_STREQ(addr, r); |
84dbb3fd | 344 | |
c79e88b3 | 345 | ASSERT_STREQ(r, IN_ADDR_TO_STRING(f, &ua)); |
23c5aeaa YW |
346 | } |
347 | ||
4f7452a8 | 348 | TEST(in_addr_to_string) { |
23c5aeaa YW |
349 | test_in_addr_to_string_one(AF_INET, "192.168.0.1"); |
350 | test_in_addr_to_string_one(AF_INET, "10.11.12.13"); | |
351 | test_in_addr_to_string_one(AF_INET6, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"); | |
352 | test_in_addr_to_string_one(AF_INET6, "::1"); | |
353 | test_in_addr_to_string_one(AF_INET6, "fe80::"); | |
354 | } | |
355 | ||
3f36b9ed TM |
356 | TEST(in_addr_prefixlen_to_netmask) { |
357 | union in_addr_union addr; | |
358 | static const char *const ipv4_netmasks[] = { | |
359 | "0.0.0.0", "128.0.0.0", "192.0.0.0", "224.0.0.0", "240.0.0.0", | |
360 | "248.0.0.0", "252.0.0.0", "254.0.0.0", "255.0.0.0", | |
361 | "255.128.0.0", "255.192.0.0", "255.224.0.0", "255.240.0.0", | |
362 | "255.248.0.0", "255.252.0.0", "255.254.0.0", "255.255.0.0", | |
363 | "255.255.128.0", "255.255.192.0", "255.255.224.0", "255.255.240.0", | |
364 | "255.255.248.0", "255.255.252.0", "255.255.254.0", "255.255.255.0", | |
365 | "255.255.255.128", "255.255.255.192", "255.255.255.224", "255.255.255.240", | |
366 | "255.255.255.248", "255.255.255.252", "255.255.255.254", "255.255.255.255", | |
367 | }; | |
368 | ||
369 | static const char *const ipv6_netmasks[] = { | |
370 | [0] = "::", | |
371 | [1] = "8000::", | |
372 | [2] = "c000::", | |
373 | [7] = "fe00::", | |
374 | [8] = "ff00::", | |
375 | [9] = "ff80::", | |
376 | [16] = "ffff::", | |
377 | [17] = "ffff:8000::", | |
378 | [32] = "ffff:ffff::", | |
379 | [33] = "ffff:ffff:8000::", | |
380 | [64] = "ffff:ffff:ffff:ffff::", | |
381 | [65] = "ffff:ffff:ffff:ffff:8000::", | |
382 | [96] = "ffff:ffff:ffff:ffff:ffff:ffff::", | |
383 | [97] = "ffff:ffff:ffff:ffff:ffff:ffff:8000:0", | |
384 | [127] = "ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffe", | |
385 | [128] = "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff" | |
386 | }; | |
387 | ||
388 | for (unsigned char prefixlen = 0; prefixlen <= 32; prefixlen++) { | |
389 | _cleanup_free_ char *result = NULL; | |
390 | ||
391 | assert_se(in_addr_prefixlen_to_netmask(AF_INET, &addr, prefixlen) >= 0); | |
392 | assert_se(in_addr_to_string(AF_INET, &addr, &result) >= 0); | |
393 | printf("test_in_addr_prefixlen_to_netmask: %s == %s\n", ipv4_netmasks[prefixlen], result); | |
c79e88b3 | 394 | ASSERT_STREQ(ipv4_netmasks[prefixlen], result); |
3f36b9ed TM |
395 | } |
396 | ||
397 | for (unsigned char prefixlen = 0; prefixlen <= 128; prefixlen++) { | |
398 | _cleanup_free_ char *result = NULL; | |
399 | ||
400 | assert_se(in_addr_prefixlen_to_netmask(AF_INET6, &addr, prefixlen) >= 0); | |
401 | assert_se(in_addr_to_string(AF_INET6, &addr, &result) >= 0); | |
402 | printf("test_in_addr_prefixlen_to_netmask: %s\n", result); | |
403 | if (ipv6_netmasks[prefixlen]) | |
c79e88b3 | 404 | ASSERT_STREQ(ipv6_netmasks[prefixlen], result); |
3f36b9ed TM |
405 | } |
406 | } | |
407 | ||
4591efff YW |
408 | static void in_addr_prefix_covers_full_one(const char *prefix, const char *address, int expected) { |
409 | union in_addr_union p, a; | |
410 | unsigned char plen, alen; | |
411 | int family, r; | |
412 | ||
413 | assert_se(in_addr_prefix_from_string_auto(prefix, &family, &p, &plen) >= 0); | |
414 | assert_se(in_addr_prefix_from_string(address, family, &a, &alen) >= 0); | |
415 | r = in_addr_prefix_covers_full(family, &p, plen, &a, alen); | |
416 | if (r != expected) | |
417 | log_error("in_addr_prefix_covers_full(%s, %s)=%i (expected=%i)", prefix, address, r, expected); | |
418 | assert_se(r == expected); | |
419 | } | |
420 | ||
421 | TEST(in_addr_prefix_covers_full) { | |
422 | /* From issue #32715. */ | |
423 | in_addr_prefix_covers_full_one("192.168.235.129/32", "192.168.0.128/32", 0); | |
424 | in_addr_prefix_covers_full_one("192.168.235.130/32", "192.168.0.128/32", 0); | |
425 | in_addr_prefix_covers_full_one("169.254.0.0/17", "192.168.0.128/32", 0); | |
426 | in_addr_prefix_covers_full_one("169.254.128.0/17", "192.168.0.128/32", 0); | |
427 | in_addr_prefix_covers_full_one("0.0.0.0/1", "192.168.0.128/32", 0); | |
428 | in_addr_prefix_covers_full_one("128.0.0.0/1", "192.168.0.128/32", 1); | |
429 | in_addr_prefix_covers_full_one("0.0.0.0/0", "192.168.0.128/32", 1); | |
430 | ||
431 | for (unsigned i = 0; i <= 32; i++) { | |
432 | _cleanup_free_ char *prefix = NULL; | |
433 | ||
434 | assert_se(asprintf(&prefix, "192.168.0.128/%u", i) >= 0); | |
435 | ||
436 | for (unsigned j = 0; j <= 32; j++) { | |
437 | _cleanup_free_ char *address = NULL; | |
438 | ||
439 | assert_se(asprintf(&address, "192.168.0.128/%u", j) >= 0); | |
440 | in_addr_prefix_covers_full_one(prefix, address, i <= j); | |
441 | } | |
442 | } | |
443 | ||
444 | for (unsigned i = 0; i <= 32; i++) { | |
445 | _cleanup_free_ char *prefix = NULL; | |
446 | ||
447 | assert_se(asprintf(&prefix, "192.168.235.129/%u", i) >= 0); | |
448 | in_addr_prefix_covers_full_one(prefix, "192.168.0.128/32", i <= 16); | |
449 | } | |
450 | ||
451 | for (unsigned i = 0; i <= 128; i++) { | |
452 | _cleanup_free_ char *prefix = NULL; | |
453 | ||
454 | assert_se(asprintf(&prefix, "dead:beef::/%u", i) >= 0); | |
455 | in_addr_prefix_covers_full_one(prefix, "dead:0:beef::1/128", i <= 16); | |
456 | } | |
457 | } | |
458 | ||
4f7452a8 | 459 | DEFINE_TEST_MAIN(LOG_DEBUG); |