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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 | ||
20 | #include "socket-util.h" | |
3b653205 | 21 | #include "in-addr-util.h" |
c182135d RC |
22 | #include "util.h" |
23 | #include "macro.h" | |
059f6c42 | 24 | #include "log.h" |
b31f535c | 25 | #include "async.h" |
c182135d RC |
26 | |
27 | static void test_socket_address_parse(void) { | |
28 | SocketAddress a; | |
29 | ||
30 | assert_se(socket_address_parse(&a, "junk") < 0); | |
31 | assert_se(socket_address_parse(&a, "192.168.1.1") < 0); | |
32 | assert_se(socket_address_parse(&a, ".168.1.1") < 0); | |
33 | assert_se(socket_address_parse(&a, "989.168.1.1") < 0); | |
34 | assert_se(socket_address_parse(&a, "192.168.1.1:65536") < 0); | |
35 | assert_se(socket_address_parse(&a, "192.168.1.1:0") < 0); | |
36 | assert_se(socket_address_parse(&a, "0") < 0); | |
37 | assert_se(socket_address_parse(&a, "65536") < 0); | |
38 | ||
39 | assert_se(socket_address_parse(&a, "65535") >= 0); | |
40 | ||
41 | if (socket_ipv6_is_supported()) { | |
42 | assert_se(socket_address_parse(&a, "[::1]") < 0); | |
43 | assert_se(socket_address_parse(&a, "[::1]8888") < 0); | |
44 | assert_se(socket_address_parse(&a, "::1") < 0); | |
45 | assert_se(socket_address_parse(&a, "[::1]:0") < 0); | |
46 | assert_se(socket_address_parse(&a, "[::1]:65536") < 0); | |
47 | assert_se(socket_address_parse(&a, "[a:b:1]:8888") < 0); | |
48 | ||
49 | assert_se(socket_address_parse(&a, "8888") >= 0); | |
50 | assert_se(a.sockaddr.sa.sa_family == AF_INET6); | |
51 | ||
52 | assert_se(socket_address_parse(&a, "[2001:0db8:0000:85a3:0000:0000:ac1f:8001]:8888") >= 0); | |
53 | assert_se(a.sockaddr.sa.sa_family == AF_INET6); | |
54 | ||
55 | assert_se(socket_address_parse(&a, "[::1]:8888") >= 0); | |
56 | assert_se(a.sockaddr.sa.sa_family == AF_INET6); | |
57 | } else { | |
58 | assert_se(socket_address_parse(&a, "[::1]:8888") < 0); | |
59 | ||
60 | assert_se(socket_address_parse(&a, "8888") >= 0); | |
61 | assert_se(a.sockaddr.sa.sa_family == AF_INET); | |
62 | } | |
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 | ||
059f6c42 LP |
161 | static void test_in_addr_prefix_intersect_one(unsigned f, const char *a, unsigned apl, const char *b, unsigned bpl, int result) { |
162 | union in_addr_union ua, ub; | |
163 | ||
164 | assert_se(in_addr_from_string(f, a, &ua) >= 0); | |
165 | assert_se(in_addr_from_string(f, b, &ub) >= 0); | |
166 | ||
167 | assert_se(in_addr_prefix_intersect(f, &ua, apl, &ub, bpl) == result); | |
168 | } | |
169 | ||
170 | static void test_in_addr_prefix_intersect(void) { | |
171 | ||
172 | test_in_addr_prefix_intersect_one(AF_INET, "255.255.255.255", 32, "255.255.255.254", 32, 0); | |
173 | test_in_addr_prefix_intersect_one(AF_INET, "255.255.255.255", 0, "255.255.255.255", 32, 1); | |
174 | test_in_addr_prefix_intersect_one(AF_INET, "0.0.0.0", 0, "47.11.8.15", 32, 1); | |
175 | ||
176 | test_in_addr_prefix_intersect_one(AF_INET, "1.1.1.1", 24, "1.1.1.1", 24, 1); | |
177 | test_in_addr_prefix_intersect_one(AF_INET, "2.2.2.2", 24, "1.1.1.1", 24, 0); | |
178 | ||
179 | test_in_addr_prefix_intersect_one(AF_INET, "1.1.1.1", 24, "1.1.1.127", 25, 1); | |
180 | test_in_addr_prefix_intersect_one(AF_INET, "1.1.1.1", 24, "1.1.1.127", 26, 1); | |
181 | test_in_addr_prefix_intersect_one(AF_INET, "1.1.1.1", 25, "1.1.1.127", 25, 1); | |
182 | test_in_addr_prefix_intersect_one(AF_INET, "1.1.1.1", 25, "1.1.1.255", 25, 0); | |
183 | ||
184 | 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); | |
185 | 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); | |
186 | test_in_addr_prefix_intersect_one(AF_INET6, "::", 0, "beef:beef:beef:beef:beef:beef:beef:beef", 128, 1); | |
187 | ||
188 | test_in_addr_prefix_intersect_one(AF_INET6, "1::2", 64, "1::2", 64, 1); | |
189 | test_in_addr_prefix_intersect_one(AF_INET6, "2::2", 64, "1::2", 64, 0); | |
190 | ||
191 | test_in_addr_prefix_intersect_one(AF_INET6, "1::1", 120, "1::007f", 121, 1); | |
192 | test_in_addr_prefix_intersect_one(AF_INET6, "1::1", 120, "1::007f", 122, 1); | |
193 | test_in_addr_prefix_intersect_one(AF_INET6, "1::1", 121, "1::007f", 121, 1); | |
194 | test_in_addr_prefix_intersect_one(AF_INET6, "1::1", 121, "1::00ff", 121, 0); | |
195 | } | |
196 | ||
197 | static void test_in_addr_prefix_next_one(unsigned f, const char *before, unsigned pl, const char *after) { | |
198 | union in_addr_union ubefore, uafter, t; | |
199 | ||
200 | assert_se(in_addr_from_string(f, before, &ubefore) >= 0); | |
201 | ||
202 | t = ubefore; | |
203 | assert_se((in_addr_prefix_next(f, &t, pl) > 0) == !!after); | |
204 | ||
205 | if (after) { | |
206 | assert_se(in_addr_from_string(f, after, &uafter) >= 0); | |
207 | assert_se(in_addr_equal(f, &t, &uafter) > 0); | |
208 | } | |
209 | } | |
210 | ||
211 | static void test_in_addr_prefix_next(void) { | |
212 | ||
213 | test_in_addr_prefix_next_one(AF_INET, "192.168.0.0", 24, "192.168.1.0"); | |
214 | test_in_addr_prefix_next_one(AF_INET, "192.168.0.0", 16, "192.169.0.0"); | |
215 | test_in_addr_prefix_next_one(AF_INET, "192.168.0.0", 20, "192.168.16.0"); | |
216 | ||
217 | test_in_addr_prefix_next_one(AF_INET, "0.0.0.0", 32, "0.0.0.1"); | |
218 | test_in_addr_prefix_next_one(AF_INET, "255.255.255.255", 32, NULL); | |
219 | test_in_addr_prefix_next_one(AF_INET, "255.255.255.0", 24, NULL); | |
220 | ||
221 | test_in_addr_prefix_next_one(AF_INET6, "4400::", 128, "4400::0001"); | |
222 | test_in_addr_prefix_next_one(AF_INET6, "4400::", 120, "4400::0100"); | |
223 | test_in_addr_prefix_next_one(AF_INET6, "4400::", 127, "4400::0002"); | |
224 | test_in_addr_prefix_next_one(AF_INET6, "4400::", 8, "4500::"); | |
225 | test_in_addr_prefix_next_one(AF_INET6, "4400::", 7, "4600::"); | |
226 | ||
227 | test_in_addr_prefix_next_one(AF_INET6, "::", 128, "::1"); | |
228 | ||
229 | test_in_addr_prefix_next_one(AF_INET6, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff", 128, NULL); | |
230 | test_in_addr_prefix_next_one(AF_INET6, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ff00", 120, NULL); | |
231 | ||
232 | } | |
233 | ||
b31f535c ZJS |
234 | static void *connect_thread(void *arg) { |
235 | union sockaddr_union *sa = arg; | |
236 | _cleanup_close_ int fd = -1; | |
237 | ||
238 | fd = socket(AF_INET, SOCK_STREAM | SOCK_CLOEXEC, 0); | |
bdf7026e | 239 | assert_se(fd >= 0); |
b31f535c ZJS |
240 | |
241 | assert_se(connect(fd, &sa->sa, sizeof(sa->in)) == 0); | |
242 | ||
243 | return NULL; | |
244 | } | |
245 | ||
246 | static void test_nameinfo_pretty(void) { | |
eda8090b | 247 | _cleanup_free_ char *stdin_name = NULL, *localhost = NULL; |
b31f535c ZJS |
248 | |
249 | union sockaddr_union s = { | |
250 | .in.sin_family = AF_INET, | |
251 | .in.sin_port = 0, | |
252 | .in.sin_addr.s_addr = htonl(INADDR_ANY), | |
253 | }; | |
254 | int r; | |
255 | ||
256 | union sockaddr_union c = {}; | |
257 | socklen_t slen = sizeof(c.in), clen = sizeof(c.in); | |
258 | ||
eda8090b TA |
259 | _cleanup_close_ int sfd = -1, cfd = -1; |
260 | r = getnameinfo_pretty(STDIN_FILENO, &stdin_name); | |
0a1beeb6 | 261 | log_info_errno(-r, "No connection remote: %m"); |
b31f535c ZJS |
262 | |
263 | assert_se(r < 0); | |
264 | ||
265 | sfd = socket(AF_INET, SOCK_STREAM|SOCK_CLOEXEC, 0); | |
bdf7026e | 266 | assert_se(sfd >= 0); |
b31f535c ZJS |
267 | |
268 | assert_se(bind(sfd, &s.sa, sizeof(s.in)) == 0); | |
269 | ||
270 | /* find out the port number */ | |
271 | assert_se(getsockname(sfd, &s.sa, &slen) == 0); | |
272 | ||
273 | assert_se(listen(sfd, 1) == 0); | |
274 | ||
275 | assert_se(asynchronous_job(connect_thread, &s) == 0); | |
276 | ||
277 | log_debug("Accepting new connection on fd:%d", sfd); | |
278 | cfd = accept4(sfd, &c.sa, &clen, SOCK_CLOEXEC); | |
bdf7026e | 279 | assert_se(cfd >= 0); |
b31f535c ZJS |
280 | |
281 | r = getnameinfo_pretty(cfd, &localhost); | |
282 | log_info("Connection from %s", localhost); | |
bdf7026e | 283 | assert_se(r == 0); |
b31f535c ZJS |
284 | } |
285 | ||
43dc0043 RC |
286 | static void test_sockaddr_equal(void) { |
287 | union sockaddr_union a = { | |
288 | .in.sin_family = AF_INET, | |
289 | .in.sin_port = 0, | |
290 | .in.sin_addr.s_addr = htonl(INADDR_ANY), | |
291 | }; | |
292 | union sockaddr_union b = { | |
293 | .in.sin_family = AF_INET, | |
294 | .in.sin_port = 0, | |
295 | .in.sin_addr.s_addr = htonl(INADDR_ANY), | |
296 | }; | |
297 | union sockaddr_union c = { | |
298 | .in.sin_family = AF_INET, | |
299 | .in.sin_port = 0, | |
300 | .in.sin_addr.s_addr = htonl(1234), | |
301 | }; | |
302 | union sockaddr_union d = { | |
303 | .in6.sin6_family = AF_INET6, | |
304 | .in6.sin6_port = 0, | |
305 | .in6.sin6_addr = IN6ADDR_ANY_INIT, | |
306 | }; | |
307 | assert_se(sockaddr_equal(&a, &a)); | |
308 | assert_se(sockaddr_equal(&a, &b)); | |
309 | assert_se(sockaddr_equal(&d, &d)); | |
310 | assert_se(!sockaddr_equal(&a, &c)); | |
311 | assert_se(!sockaddr_equal(&b, &c)); | |
312 | } | |
313 | ||
c182135d | 314 | int main(int argc, char *argv[]) { |
059f6c42 LP |
315 | |
316 | log_set_max_level(LOG_DEBUG); | |
317 | ||
c182135d RC |
318 | test_socket_address_parse(); |
319 | test_socket_address_parse_netlink(); | |
320 | test_socket_address_equal(); | |
321 | test_socket_address_get_path(); | |
43dc0043 RC |
322 | test_socket_address_is(); |
323 | test_socket_address_is_netlink(); | |
059f6c42 LP |
324 | |
325 | test_in_addr_prefix_intersect(); | |
326 | test_in_addr_prefix_next(); | |
327 | ||
b31f535c ZJS |
328 | test_nameinfo_pretty(); |
329 | ||
43dc0043 RC |
330 | test_sockaddr_equal(); |
331 | ||
059f6c42 | 332 | return 0; |
c182135d | 333 | } |