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c182135d RC |
1 | /*** |
2 | This file is part of systemd | |
3 | ||
4 | Copyright 2014 Ronny Chevalier | |
5 | ||
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. | |
10 | ||
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. | |
15 | ||
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/>. | |
18 | ***/ | |
19 | ||
b5efdb8a | 20 | #include "alloc-util.h" |
07630cea | 21 | #include "async.h" |
3ffd4af2 | 22 | #include "fd-util.h" |
3b653205 | 23 | #include "in-addr-util.h" |
059f6c42 | 24 | #include "log.h" |
07630cea LP |
25 | #include "macro.h" |
26 | #include "socket-util.h" | |
27 | #include "string-util.h" | |
28 | #include "util.h" | |
c182135d RC |
29 | |
30 | static void test_socket_address_parse(void) { | |
31 | SocketAddress a; | |
32 | ||
33 | assert_se(socket_address_parse(&a, "junk") < 0); | |
34 | assert_se(socket_address_parse(&a, "192.168.1.1") < 0); | |
35 | assert_se(socket_address_parse(&a, ".168.1.1") < 0); | |
36 | assert_se(socket_address_parse(&a, "989.168.1.1") < 0); | |
37 | assert_se(socket_address_parse(&a, "192.168.1.1:65536") < 0); | |
38 | assert_se(socket_address_parse(&a, "192.168.1.1:0") < 0); | |
39 | assert_se(socket_address_parse(&a, "0") < 0); | |
40 | assert_se(socket_address_parse(&a, "65536") < 0); | |
41 | ||
42 | assert_se(socket_address_parse(&a, "65535") >= 0); | |
43 | ||
4ebc62ec MB |
44 | /* The checks below will pass even if ipv6 is disabled in |
45 | * kernel. The underlying glibc's inet_pton() is just a string | |
46 | * parser and doesn't make any syscalls. */ | |
47 | ||
48 | assert_se(socket_address_parse(&a, "[::1]") < 0); | |
49 | assert_se(socket_address_parse(&a, "[::1]8888") < 0); | |
50 | assert_se(socket_address_parse(&a, "::1") < 0); | |
51 | assert_se(socket_address_parse(&a, "[::1]:0") < 0); | |
52 | assert_se(socket_address_parse(&a, "[::1]:65536") < 0); | |
53 | assert_se(socket_address_parse(&a, "[a:b:1]:8888") < 0); | |
54 | ||
55 | assert_se(socket_address_parse(&a, "8888") >= 0); | |
56 | assert_se(a.sockaddr.sa.sa_family == (socket_ipv6_is_supported() ? AF_INET6 : AF_INET)); | |
57 | ||
58 | assert_se(socket_address_parse(&a, "[2001:0db8:0000:85a3:0000:0000:ac1f:8001]:8888") >= 0); | |
59 | assert_se(a.sockaddr.sa.sa_family == AF_INET6); | |
60 | ||
61 | assert_se(socket_address_parse(&a, "[::1]:8888") >= 0); | |
62 | assert_se(a.sockaddr.sa.sa_family == AF_INET6); | |
c182135d RC |
63 | |
64 | assert_se(socket_address_parse(&a, "192.168.1.254:8888") >= 0); | |
65 | assert_se(a.sockaddr.sa.sa_family == AF_INET); | |
66 | ||
67 | assert_se(socket_address_parse(&a, "/foo/bar") >= 0); | |
68 | assert_se(a.sockaddr.sa.sa_family == AF_UNIX); | |
69 | ||
70 | assert_se(socket_address_parse(&a, "@abstract") >= 0); | |
71 | assert_se(a.sockaddr.sa.sa_family == AF_UNIX); | |
72 | } | |
73 | ||
74 | static void test_socket_address_parse_netlink(void) { | |
75 | SocketAddress a; | |
76 | ||
77 | assert_se(socket_address_parse_netlink(&a, "junk") < 0); | |
78 | assert_se(socket_address_parse_netlink(&a, "") < 0); | |
79 | ||
80 | assert_se(socket_address_parse_netlink(&a, "route") >= 0); | |
81 | assert_se(socket_address_parse_netlink(&a, "route 10") >= 0); | |
82 | assert_se(a.sockaddr.sa.sa_family == AF_NETLINK); | |
83 | assert_se(a.protocol == NETLINK_ROUTE); | |
84 | } | |
85 | ||
86 | static void test_socket_address_equal(void) { | |
87 | SocketAddress a; | |
88 | SocketAddress b; | |
89 | ||
90 | assert_se(socket_address_parse(&a, "192.168.1.1:8888") >= 0); | |
91 | assert_se(socket_address_parse(&b, "192.168.1.1:888") >= 0); | |
92 | assert_se(!socket_address_equal(&a, &b)); | |
93 | ||
94 | assert_se(socket_address_parse(&a, "192.168.1.1:8888") >= 0); | |
95 | assert_se(socket_address_parse(&b, "192.16.1.1:8888") >= 0); | |
96 | assert_se(!socket_address_equal(&a, &b)); | |
97 | ||
98 | assert_se(socket_address_parse(&a, "192.168.1.1:8888") >= 0); | |
99 | assert_se(socket_address_parse(&b, "8888") >= 0); | |
100 | assert_se(!socket_address_equal(&a, &b)); | |
101 | ||
102 | assert_se(socket_address_parse(&a, "192.168.1.1:8888") >= 0); | |
103 | assert_se(socket_address_parse(&b, "/foo/bar/") >= 0); | |
104 | assert_se(!socket_address_equal(&a, &b)); | |
105 | ||
106 | assert_se(socket_address_parse(&a, "192.168.1.1:8888") >= 0); | |
107 | assert_se(socket_address_parse(&b, "192.168.1.1:8888") >= 0); | |
108 | assert_se(socket_address_equal(&a, &b)); | |
109 | ||
110 | assert_se(socket_address_parse(&a, "/foo/bar") >= 0); | |
111 | assert_se(socket_address_parse(&b, "/foo/bar") >= 0); | |
112 | assert_se(socket_address_equal(&a, &b)); | |
113 | ||
114 | assert_se(socket_address_parse(&a, "[::1]:8888") >= 0); | |
115 | assert_se(socket_address_parse(&b, "[::1]:8888") >= 0); | |
116 | assert_se(socket_address_equal(&a, &b)); | |
117 | ||
118 | assert_se(socket_address_parse(&a, "@abstract") >= 0); | |
119 | assert_se(socket_address_parse(&b, "@abstract") >= 0); | |
120 | assert_se(socket_address_equal(&a, &b)); | |
121 | ||
122 | assert_se(socket_address_parse_netlink(&a, "firewall") >= 0); | |
123 | assert_se(socket_address_parse_netlink(&b, "firewall") >= 0); | |
124 | assert_se(socket_address_equal(&a, &b)); | |
125 | } | |
126 | ||
127 | static void test_socket_address_get_path(void) { | |
128 | SocketAddress a; | |
129 | ||
130 | assert_se(socket_address_parse(&a, "192.168.1.1:8888") >= 0); | |
131 | assert_se(!socket_address_get_path(&a)); | |
132 | ||
133 | assert_se(socket_address_parse(&a, "@abstract") >= 0); | |
134 | assert_se(!socket_address_get_path(&a)); | |
135 | ||
136 | assert_se(socket_address_parse(&a, "[::1]:8888") >= 0); | |
137 | assert_se(!socket_address_get_path(&a)); | |
138 | ||
139 | assert_se(socket_address_parse(&a, "/foo/bar") >= 0); | |
140 | assert_se(streq(socket_address_get_path(&a), "/foo/bar")); | |
141 | } | |
142 | ||
43dc0043 RC |
143 | static void test_socket_address_is(void) { |
144 | SocketAddress a; | |
145 | ||
146 | assert_se(socket_address_parse(&a, "192.168.1.1:8888") >= 0); | |
147 | assert_se(socket_address_is(&a, "192.168.1.1:8888", SOCK_STREAM)); | |
148 | assert_se(!socket_address_is(&a, "route", SOCK_STREAM)); | |
149 | assert_se(!socket_address_is(&a, "192.168.1.1:8888", SOCK_RAW)); | |
150 | } | |
151 | ||
152 | static void test_socket_address_is_netlink(void) { | |
153 | SocketAddress a; | |
154 | ||
155 | assert_se(socket_address_parse_netlink(&a, "route 10") >= 0); | |
156 | assert_se(socket_address_is_netlink(&a, "route 10")); | |
157 | assert_se(!socket_address_is_netlink(&a, "192.168.1.1:8888")); | |
158 | assert_se(!socket_address_is_netlink(&a, "route 1")); | |
159 | } | |
160 | ||
e7639886 DM |
161 | static void test_in_addr_is_null(void) { |
162 | ||
163 | union in_addr_union i = {}; | |
164 | ||
165 | assert_se(in_addr_is_null(AF_INET, &i) == true); | |
166 | assert_se(in_addr_is_null(AF_INET6, &i) == true); | |
167 | ||
168 | i.in.s_addr = 0x1000000; | |
169 | assert_se(in_addr_is_null(AF_INET, &i) == false); | |
170 | assert_se(in_addr_is_null(AF_INET6, &i) == false); | |
171 | ||
172 | assert_se(in_addr_is_null(-1, &i) == -EAFNOSUPPORT); | |
173 | } | |
174 | ||
059f6c42 LP |
175 | static void test_in_addr_prefix_intersect_one(unsigned f, const char *a, unsigned apl, const char *b, unsigned bpl, int result) { |
176 | union in_addr_union ua, ub; | |
177 | ||
178 | assert_se(in_addr_from_string(f, a, &ua) >= 0); | |
179 | assert_se(in_addr_from_string(f, b, &ub) >= 0); | |
180 | ||
181 | assert_se(in_addr_prefix_intersect(f, &ua, apl, &ub, bpl) == result); | |
182 | } | |
183 | ||
184 | static void test_in_addr_prefix_intersect(void) { | |
185 | ||
186 | test_in_addr_prefix_intersect_one(AF_INET, "255.255.255.255", 32, "255.255.255.254", 32, 0); | |
187 | test_in_addr_prefix_intersect_one(AF_INET, "255.255.255.255", 0, "255.255.255.255", 32, 1); | |
188 | test_in_addr_prefix_intersect_one(AF_INET, "0.0.0.0", 0, "47.11.8.15", 32, 1); | |
189 | ||
190 | test_in_addr_prefix_intersect_one(AF_INET, "1.1.1.1", 24, "1.1.1.1", 24, 1); | |
191 | test_in_addr_prefix_intersect_one(AF_INET, "2.2.2.2", 24, "1.1.1.1", 24, 0); | |
192 | ||
193 | test_in_addr_prefix_intersect_one(AF_INET, "1.1.1.1", 24, "1.1.1.127", 25, 1); | |
194 | test_in_addr_prefix_intersect_one(AF_INET, "1.1.1.1", 24, "1.1.1.127", 26, 1); | |
195 | test_in_addr_prefix_intersect_one(AF_INET, "1.1.1.1", 25, "1.1.1.127", 25, 1); | |
196 | test_in_addr_prefix_intersect_one(AF_INET, "1.1.1.1", 25, "1.1.1.255", 25, 0); | |
197 | ||
198 | 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); | |
199 | 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); | |
200 | test_in_addr_prefix_intersect_one(AF_INET6, "::", 0, "beef:beef:beef:beef:beef:beef:beef:beef", 128, 1); | |
201 | ||
202 | test_in_addr_prefix_intersect_one(AF_INET6, "1::2", 64, "1::2", 64, 1); | |
203 | test_in_addr_prefix_intersect_one(AF_INET6, "2::2", 64, "1::2", 64, 0); | |
204 | ||
205 | test_in_addr_prefix_intersect_one(AF_INET6, "1::1", 120, "1::007f", 121, 1); | |
206 | test_in_addr_prefix_intersect_one(AF_INET6, "1::1", 120, "1::007f", 122, 1); | |
207 | test_in_addr_prefix_intersect_one(AF_INET6, "1::1", 121, "1::007f", 121, 1); | |
208 | test_in_addr_prefix_intersect_one(AF_INET6, "1::1", 121, "1::00ff", 121, 0); | |
209 | } | |
210 | ||
211 | static void test_in_addr_prefix_next_one(unsigned f, const char *before, unsigned pl, const char *after) { | |
212 | union in_addr_union ubefore, uafter, t; | |
213 | ||
214 | assert_se(in_addr_from_string(f, before, &ubefore) >= 0); | |
215 | ||
216 | t = ubefore; | |
217 | assert_se((in_addr_prefix_next(f, &t, pl) > 0) == !!after); | |
218 | ||
219 | if (after) { | |
220 | assert_se(in_addr_from_string(f, after, &uafter) >= 0); | |
221 | assert_se(in_addr_equal(f, &t, &uafter) > 0); | |
222 | } | |
223 | } | |
224 | ||
225 | static void test_in_addr_prefix_next(void) { | |
226 | ||
227 | test_in_addr_prefix_next_one(AF_INET, "192.168.0.0", 24, "192.168.1.0"); | |
228 | test_in_addr_prefix_next_one(AF_INET, "192.168.0.0", 16, "192.169.0.0"); | |
229 | test_in_addr_prefix_next_one(AF_INET, "192.168.0.0", 20, "192.168.16.0"); | |
230 | ||
231 | test_in_addr_prefix_next_one(AF_INET, "0.0.0.0", 32, "0.0.0.1"); | |
232 | test_in_addr_prefix_next_one(AF_INET, "255.255.255.255", 32, NULL); | |
233 | test_in_addr_prefix_next_one(AF_INET, "255.255.255.0", 24, NULL); | |
234 | ||
235 | test_in_addr_prefix_next_one(AF_INET6, "4400::", 128, "4400::0001"); | |
236 | test_in_addr_prefix_next_one(AF_INET6, "4400::", 120, "4400::0100"); | |
237 | test_in_addr_prefix_next_one(AF_INET6, "4400::", 127, "4400::0002"); | |
238 | test_in_addr_prefix_next_one(AF_INET6, "4400::", 8, "4500::"); | |
239 | test_in_addr_prefix_next_one(AF_INET6, "4400::", 7, "4600::"); | |
240 | ||
241 | test_in_addr_prefix_next_one(AF_INET6, "::", 128, "::1"); | |
242 | ||
243 | test_in_addr_prefix_next_one(AF_INET6, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff", 128, NULL); | |
244 | test_in_addr_prefix_next_one(AF_INET6, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ff00", 120, NULL); | |
245 | ||
246 | } | |
247 | ||
07916bea RC |
248 | static void test_in_addr_to_string_one(int f, const char *addr) { |
249 | union in_addr_union ua; | |
250 | _cleanup_free_ char *r = NULL; | |
251 | ||
252 | assert_se(in_addr_from_string(f, addr, &ua) >= 0); | |
253 | assert_se(in_addr_to_string(f, &ua, &r) >= 0); | |
254 | printf("test_in_addr_to_string_one: %s == %s\n", addr, r); | |
255 | assert_se(streq(addr, r)); | |
256 | } | |
257 | ||
258 | static void test_in_addr_to_string(void) { | |
259 | test_in_addr_to_string_one(AF_INET, "192.168.0.1"); | |
260 | test_in_addr_to_string_one(AF_INET, "10.11.12.13"); | |
261 | test_in_addr_to_string_one(AF_INET6, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"); | |
262 | test_in_addr_to_string_one(AF_INET6, "::1"); | |
263 | test_in_addr_to_string_one(AF_INET6, "fe80::"); | |
264 | } | |
265 | ||
b31f535c ZJS |
266 | static void *connect_thread(void *arg) { |
267 | union sockaddr_union *sa = arg; | |
268 | _cleanup_close_ int fd = -1; | |
269 | ||
270 | fd = socket(AF_INET, SOCK_STREAM | SOCK_CLOEXEC, 0); | |
bdf7026e | 271 | assert_se(fd >= 0); |
b31f535c ZJS |
272 | |
273 | assert_se(connect(fd, &sa->sa, sizeof(sa->in)) == 0); | |
274 | ||
275 | return NULL; | |
276 | } | |
277 | ||
278 | static void test_nameinfo_pretty(void) { | |
eda8090b | 279 | _cleanup_free_ char *stdin_name = NULL, *localhost = NULL; |
b31f535c ZJS |
280 | |
281 | union sockaddr_union s = { | |
282 | .in.sin_family = AF_INET, | |
283 | .in.sin_port = 0, | |
284 | .in.sin_addr.s_addr = htonl(INADDR_ANY), | |
285 | }; | |
286 | int r; | |
287 | ||
288 | union sockaddr_union c = {}; | |
289 | socklen_t slen = sizeof(c.in), clen = sizeof(c.in); | |
290 | ||
eda8090b TA |
291 | _cleanup_close_ int sfd = -1, cfd = -1; |
292 | r = getnameinfo_pretty(STDIN_FILENO, &stdin_name); | |
da927ba9 | 293 | log_info_errno(r, "No connection remote: %m"); |
b31f535c ZJS |
294 | |
295 | assert_se(r < 0); | |
296 | ||
297 | sfd = socket(AF_INET, SOCK_STREAM|SOCK_CLOEXEC, 0); | |
bdf7026e | 298 | assert_se(sfd >= 0); |
b31f535c ZJS |
299 | |
300 | assert_se(bind(sfd, &s.sa, sizeof(s.in)) == 0); | |
301 | ||
302 | /* find out the port number */ | |
303 | assert_se(getsockname(sfd, &s.sa, &slen) == 0); | |
304 | ||
305 | assert_se(listen(sfd, 1) == 0); | |
306 | ||
307 | assert_se(asynchronous_job(connect_thread, &s) == 0); | |
308 | ||
309 | log_debug("Accepting new connection on fd:%d", sfd); | |
310 | cfd = accept4(sfd, &c.sa, &clen, SOCK_CLOEXEC); | |
bdf7026e | 311 | assert_se(cfd >= 0); |
b31f535c ZJS |
312 | |
313 | r = getnameinfo_pretty(cfd, &localhost); | |
314 | log_info("Connection from %s", localhost); | |
bdf7026e | 315 | assert_se(r == 0); |
b31f535c ZJS |
316 | } |
317 | ||
43dc0043 RC |
318 | static void test_sockaddr_equal(void) { |
319 | union sockaddr_union a = { | |
320 | .in.sin_family = AF_INET, | |
321 | .in.sin_port = 0, | |
322 | .in.sin_addr.s_addr = htonl(INADDR_ANY), | |
323 | }; | |
324 | union sockaddr_union b = { | |
325 | .in.sin_family = AF_INET, | |
326 | .in.sin_port = 0, | |
327 | .in.sin_addr.s_addr = htonl(INADDR_ANY), | |
328 | }; | |
329 | union sockaddr_union c = { | |
330 | .in.sin_family = AF_INET, | |
331 | .in.sin_port = 0, | |
332 | .in.sin_addr.s_addr = htonl(1234), | |
333 | }; | |
334 | union sockaddr_union d = { | |
335 | .in6.sin6_family = AF_INET6, | |
336 | .in6.sin6_port = 0, | |
337 | .in6.sin6_addr = IN6ADDR_ANY_INIT, | |
338 | }; | |
339 | assert_se(sockaddr_equal(&a, &a)); | |
340 | assert_se(sockaddr_equal(&a, &b)); | |
341 | assert_se(sockaddr_equal(&d, &d)); | |
342 | assert_se(!sockaddr_equal(&a, &c)); | |
343 | assert_se(!sockaddr_equal(&b, &c)); | |
344 | } | |
345 | ||
c182135d | 346 | int main(int argc, char *argv[]) { |
059f6c42 LP |
347 | |
348 | log_set_max_level(LOG_DEBUG); | |
349 | ||
c182135d RC |
350 | test_socket_address_parse(); |
351 | test_socket_address_parse_netlink(); | |
352 | test_socket_address_equal(); | |
353 | test_socket_address_get_path(); | |
43dc0043 RC |
354 | test_socket_address_is(); |
355 | test_socket_address_is_netlink(); | |
059f6c42 | 356 | |
e7639886 | 357 | test_in_addr_is_null(); |
059f6c42 LP |
358 | test_in_addr_prefix_intersect(); |
359 | test_in_addr_prefix_next(); | |
07916bea | 360 | test_in_addr_to_string(); |
059f6c42 | 361 | |
b31f535c ZJS |
362 | test_nameinfo_pretty(); |
363 | ||
43dc0043 RC |
364 | test_sockaddr_equal(); |
365 | ||
059f6c42 | 366 | return 0; |
c182135d | 367 | } |