1 /* Licensed to the Apache Software Foundation (ASF) under one or more
2  * contributor license agreements.  See the NOTICE file distributed with
3  * this work for additional information regarding copyright ownership.
4  * The ASF licenses this file to You under the Apache License, Version 2.0
5  * (the "License"); you may not use this file except in compliance with
6  * the License.  You may obtain a copy of the License at
7  *
8  *     http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "testutil.h"
18 #include "testsock.h"
19 #include "apr_thread_proc.h"
20 #include "apr_network_io.h"
21 #include "apr_errno.h"
22 #include "apr_general.h"
23 #include "apr_lib.h"
24 #include "apr_strings.h"
25 #include "apr_poll.h"
26 #define APR_WANT_BYTEFUNC
27 #include "apr_want.h"
28 
29 #define UNIX_SOCKET_NAME    "/tmp/apr-socket"
30 #define IPV4_SOCKET_NAME    "127.0.0.1"
31 static char *socket_name = NULL;
32 static int   socket_type = APR_INET;
33 
launch_child(abts_case * tc,apr_proc_t * proc,const char * arg1,apr_pool_t * p)34 static void launch_child(abts_case *tc, apr_proc_t *proc, const char *arg1, apr_pool_t *p)
35 {
36     apr_procattr_t *procattr;
37     const char *args[4];
38     apr_status_t rv;
39 
40     rv = apr_procattr_create(&procattr, p);
41     APR_ASSERT_SUCCESS(tc, "Couldn't create procattr", rv);
42 
43     rv = apr_procattr_io_set(procattr, APR_NO_PIPE, APR_NO_PIPE,
44             APR_NO_PIPE);
45     APR_ASSERT_SUCCESS(tc, "Couldn't set io in procattr", rv);
46 
47     rv = apr_procattr_error_check_set(procattr, 1);
48     APR_ASSERT_SUCCESS(tc, "Couldn't set error check in procattr", rv);
49 
50     rv = apr_procattr_cmdtype_set(procattr, APR_PROGRAM_ENV);
51     APR_ASSERT_SUCCESS(tc, "Couldn't set copy environment", rv);
52 
53     args[0] = "sockchild" EXTENSION;
54     args[1] = arg1;
55     args[2] = socket_name;
56     args[3] = NULL;
57     rv = apr_proc_create(proc, TESTBINPATH "sockchild" EXTENSION, args, NULL,
58                          procattr, p);
59     APR_ASSERT_SUCCESS(tc, "Couldn't launch program", rv);
60 }
61 
wait_child(abts_case * tc,apr_proc_t * proc)62 static int wait_child(abts_case *tc, apr_proc_t *proc)
63 {
64     int exitcode;
65     apr_exit_why_e why;
66 
67     ABTS_ASSERT(tc, "Error waiting for child process",
68             apr_proc_wait(proc, &exitcode, &why, APR_WAIT) == APR_CHILD_DONE);
69 
70     ABTS_ASSERT(tc, "child terminated normally", why == APR_PROC_EXIT);
71     return exitcode;
72 }
73 
test_addr_info(abts_case * tc,void * data)74 static void test_addr_info(abts_case *tc, void *data)
75 {
76     apr_status_t rv;
77     apr_sockaddr_t *sa;
78     int rc;
79 
80     rv = apr_sockaddr_info_get(&sa, NULL, APR_UNSPEC, 80, 0, p);
81     APR_ASSERT_SUCCESS(tc, "Problem generating sockaddr", rv);
82 
83     rc = apr_sockaddr_is_wildcard(sa);
84     ABTS_INT_NEQUAL(tc, 0, rc);
85 
86     rv = apr_sockaddr_info_get(&sa, "127.0.0.1", APR_UNSPEC, 80, 0, p);
87     APR_ASSERT_SUCCESS(tc, "Problem generating sockaddr", rv);
88     ABTS_STR_EQUAL(tc, "127.0.0.1", sa->hostname);
89 
90     rc = apr_sockaddr_is_wildcard(sa);
91     ABTS_INT_EQUAL(tc, 0, rc);
92 
93     rv = apr_sockaddr_info_get(&sa, "127.0.0.1", APR_UNSPEC, 0, 0, p);
94     APR_ASSERT_SUCCESS(tc, "Problem generating sockaddr", rv);
95     ABTS_STR_EQUAL(tc, "127.0.0.1", sa->hostname);
96     ABTS_INT_EQUAL(tc, 0, sa->port);
97     ABTS_INT_EQUAL(tc, 0, ntohs(sa->sa.sin.sin_port));
98 }
99 
test_addr_copy(abts_case * tc,void * data)100 static void test_addr_copy(abts_case *tc, void *data)
101 {
102     apr_status_t rv;
103     apr_sockaddr_t *sa1, *sa2;
104     int rc;
105     const char *hosts[] = {
106         "127.0.0.1",
107 #if APR_HAVE_IPV6
108         "::1",
109 #endif
110         NULL
111     }, **host = hosts;
112 
113     /* Loop up to and including NULL */
114     do {
115         rv = apr_sockaddr_info_get(&sa1, *host, APR_UNSPEC, 80, 0, p);
116         APR_ASSERT_SUCCESS(tc, "Problem generating sockaddr", rv);
117 
118         rv = apr_sockaddr_info_copy(&sa2, sa1, p);
119         APR_ASSERT_SUCCESS(tc, "Problem copying sockaddr", rv);
120 
121         ABTS_PTR_NOTNULL(tc, sa1);
122         do {
123             ABTS_PTR_NOTNULL(tc, sa2);
124 
125             rc = apr_sockaddr_equal(sa2, sa1);
126             ABTS_INT_NEQUAL(tc, 0, rc);
127             ABTS_INT_EQUAL(tc, 80, sa1->port);
128             ABTS_INT_EQUAL(tc, sa2->port, sa1->port);
129             ABTS_INT_EQUAL(tc, 80, ntohs(sa1->sa.sin.sin_port));
130             ABTS_INT_EQUAL(tc, ntohs(sa2->sa.sin.sin_port), ntohs(sa1->sa.sin.sin_port));
131 
132             if (*host) {
133                 ABTS_PTR_NOTNULL(tc, sa1->hostname);
134                 ABTS_PTR_NOTNULL(tc, sa2->hostname);
135                 ABTS_STR_EQUAL(tc, *host, sa1->hostname);
136                 ABTS_STR_EQUAL(tc, sa1->hostname, sa2->hostname);
137                 ABTS_TRUE(tc, sa1->hostname != sa2->hostname);
138             }
139             else {
140                 ABTS_PTR_EQUAL(tc, NULL, sa1->hostname);
141                 ABTS_PTR_EQUAL(tc, NULL, sa2->hostname);
142             }
143 
144         } while ((sa2 = sa2->next, sa1 = sa1->next));
145         ABTS_PTR_EQUAL(tc, NULL, sa2);
146 
147     } while (*host++);
148 }
149 
test_serv_by_name(abts_case * tc,void * data)150 static void test_serv_by_name(abts_case *tc, void *data)
151 {
152     apr_status_t rv;
153     apr_sockaddr_t *sa;
154 
155     rv = apr_sockaddr_info_get(&sa, NULL, APR_UNSPEC, 0, 0, p);
156     APR_ASSERT_SUCCESS(tc, "Problem generating sockaddr", rv);
157 
158     rv = apr_getservbyname(sa, "ftp");
159     APR_ASSERT_SUCCESS(tc, "Problem getting ftp service", rv);
160     ABTS_INT_EQUAL(tc, 21, sa->port);
161 
162     rv = apr_getservbyname(sa, "complete_and_utter_rubbish");
163     APR_ASSERT_SUCCESS(tc, "Problem getting non-existent service", !rv);
164 
165     rv = apr_getservbyname(sa, "telnet");
166     APR_ASSERT_SUCCESS(tc, "Problem getting telnet service", rv);
167     ABTS_INT_EQUAL(tc, 23, sa->port);
168 }
169 
setup_socket(abts_case * tc)170 static apr_socket_t *setup_socket(abts_case *tc)
171 {
172     apr_status_t rv;
173     apr_sockaddr_t *sa;
174     apr_socket_t *sock;
175 
176     rv = apr_sockaddr_info_get(&sa, socket_name, socket_type, 8021, 0, p);
177     APR_ASSERT_SUCCESS(tc, "Problem generating sockaddr", rv);
178 
179     rv = apr_socket_create(&sock, sa->family, SOCK_STREAM, APR_PROTO_TCP, p);
180     APR_ASSERT_SUCCESS(tc, "Problem creating socket", rv);
181 
182     rv = apr_socket_opt_set(sock, APR_SO_REUSEADDR, 1);
183     APR_ASSERT_SUCCESS(tc, "Could not set REUSEADDR on socket", rv);
184 
185     rv = apr_socket_bind(sock, sa);
186     APR_ASSERT_SUCCESS(tc, "Problem binding to port", rv);
187     if (rv) return NULL;
188 
189     rv = apr_socket_listen(sock, 5);
190     APR_ASSERT_SUCCESS(tc, "Problem listening on socket", rv);
191 
192     return sock;
193 }
194 
test_create_bind_listen(abts_case * tc,void * data)195 static void test_create_bind_listen(abts_case *tc, void *data)
196 {
197     apr_status_t rv;
198     apr_socket_t *sock = setup_socket(tc);
199 
200     if (!sock) return;
201 
202     rv = apr_socket_close(sock);
203     APR_ASSERT_SUCCESS(tc, "Problem closing socket", rv);
204 }
205 
test_send(abts_case * tc,void * data)206 static void test_send(abts_case *tc, void *data)
207 {
208     apr_status_t rv;
209     apr_socket_t *sock;
210     apr_socket_t *sock2;
211     apr_proc_t proc;
212     int protocol;
213     apr_size_t length;
214 
215     sock = setup_socket(tc);
216     if (!sock) return;
217 
218     launch_child(tc, &proc, "read", p);
219 
220     rv = apr_socket_accept(&sock2, sock, p);
221     APR_ASSERT_SUCCESS(tc, "Problem with receiving connection", rv);
222 
223     apr_socket_protocol_get(sock2, &protocol);
224     ABTS_INT_EQUAL(tc, APR_PROTO_TCP, protocol);
225 
226     length = strlen(DATASTR);
227     apr_socket_send(sock2, DATASTR, &length);
228 
229     /* Make sure that the client received the data we sent */
230     ABTS_SIZE_EQUAL(tc, strlen(DATASTR), wait_child(tc, &proc));
231 
232     rv = apr_socket_close(sock2);
233     APR_ASSERT_SUCCESS(tc, "Problem closing connected socket", rv);
234     rv = apr_socket_close(sock);
235     APR_ASSERT_SUCCESS(tc, "Problem closing socket", rv);
236 }
237 
test_recv(abts_case * tc,void * data)238 static void test_recv(abts_case *tc, void *data)
239 {
240     apr_status_t rv;
241     apr_socket_t *sock;
242     apr_socket_t *sock2;
243     apr_proc_t proc;
244     int protocol;
245     apr_size_t length = STRLEN;
246     char datastr[STRLEN];
247 
248     sock = setup_socket(tc);
249     if (!sock) return;
250 
251     launch_child(tc, &proc, "write", p);
252 
253     rv = apr_socket_accept(&sock2, sock, p);
254     APR_ASSERT_SUCCESS(tc, "Problem with receiving connection", rv);
255 
256     apr_socket_protocol_get(sock2, &protocol);
257     ABTS_INT_EQUAL(tc, APR_PROTO_TCP, protocol);
258 
259     memset(datastr, 0, STRLEN);
260     apr_socket_recv(sock2, datastr, &length);
261 
262     /* Make sure that the server received the data we sent */
263     ABTS_STR_EQUAL(tc, DATASTR, datastr);
264     ABTS_SIZE_EQUAL(tc, strlen(datastr), wait_child(tc, &proc));
265 
266     rv = apr_socket_close(sock2);
267     APR_ASSERT_SUCCESS(tc, "Problem closing connected socket", rv);
268     rv = apr_socket_close(sock);
269     APR_ASSERT_SUCCESS(tc, "Problem closing socket", rv);
270 }
271 
test_atreadeof(abts_case * tc,void * data)272 static void test_atreadeof(abts_case *tc, void *data)
273 {
274     apr_status_t rv;
275     apr_socket_t *sock;
276     apr_socket_t *sock2;
277     apr_proc_t proc;
278     apr_size_t length = STRLEN;
279     char datastr[STRLEN];
280     int atreadeof = -1;
281 
282     sock = setup_socket(tc);
283     if (!sock) return;
284 
285     launch_child(tc, &proc, "write", p);
286 
287     rv = apr_socket_accept(&sock2, sock, p);
288     APR_ASSERT_SUCCESS(tc, "Problem with receiving connection", rv);
289 
290     /* Check that the remote socket is still open */
291     rv = apr_socket_atreadeof(sock2, &atreadeof);
292     APR_ASSERT_SUCCESS(tc, "Determine whether at EOF, #1", rv);
293     ABTS_INT_EQUAL(tc, 0, atreadeof);
294 
295     memset(datastr, 0, STRLEN);
296     apr_socket_recv(sock2, datastr, &length);
297 
298     /* Make sure that the server received the data we sent */
299     ABTS_STR_EQUAL(tc, DATASTR, datastr);
300     ABTS_SIZE_EQUAL(tc, strlen(datastr), wait_child(tc, &proc));
301 
302     /* The child is dead, so should be the remote socket */
303     rv = apr_socket_atreadeof(sock2, &atreadeof);
304     APR_ASSERT_SUCCESS(tc, "Determine whether at EOF, #2", rv);
305     ABTS_INT_EQUAL(tc, 1, atreadeof);
306 
307     rv = apr_socket_close(sock2);
308     APR_ASSERT_SUCCESS(tc, "Problem closing connected socket", rv);
309 
310     launch_child(tc, &proc, "close", p);
311 
312     rv = apr_socket_accept(&sock2, sock, p);
313     APR_ASSERT_SUCCESS(tc, "Problem with receiving connection", rv);
314 
315     /* The child closed the socket as soon as it could... */
316     rv = apr_socket_atreadeof(sock2, &atreadeof);
317     APR_ASSERT_SUCCESS(tc, "Determine whether at EOF, #3", rv);
318     if (!atreadeof) { /* ... but perhaps not yet; wait a moment */
319         apr_sleep(apr_time_from_msec(5));
320         rv = apr_socket_atreadeof(sock2, &atreadeof);
321         APR_ASSERT_SUCCESS(tc, "Determine whether at EOF, #4", rv);
322     }
323     ABTS_INT_EQUAL(tc, 1, atreadeof);
324     wait_child(tc, &proc);
325 
326     rv = apr_socket_close(sock2);
327     APR_ASSERT_SUCCESS(tc, "Problem closing connected socket", rv);
328 
329     rv = apr_socket_close(sock);
330     APR_ASSERT_SUCCESS(tc, "Problem closing socket", rv);
331 }
332 
test_timeout(abts_case * tc,void * data)333 static void test_timeout(abts_case *tc, void *data)
334 {
335     apr_status_t rv;
336     apr_socket_t *sock;
337     apr_socket_t *sock2;
338     apr_proc_t proc;
339     int protocol;
340     int exit;
341 
342     sock = setup_socket(tc);
343     if (!sock) return;
344 
345     launch_child(tc, &proc, "read", p);
346 
347     rv = apr_socket_accept(&sock2, sock, p);
348     APR_ASSERT_SUCCESS(tc, "Problem with receiving connection", rv);
349 
350     apr_socket_protocol_get(sock2, &protocol);
351     ABTS_INT_EQUAL(tc, APR_PROTO_TCP, protocol);
352 
353     exit = wait_child(tc, &proc);
354     ABTS_INT_EQUAL(tc, SOCKET_TIMEOUT, exit);
355 
356     /* We didn't write any data, so make sure the child program returns
357      * an error.
358      */
359     rv = apr_socket_close(sock2);
360     APR_ASSERT_SUCCESS(tc, "Problem closing connected socket", rv);
361     rv = apr_socket_close(sock);
362     APR_ASSERT_SUCCESS(tc, "Problem closing socket", rv);
363 }
364 
test_print_addr(abts_case * tc,void * data)365 static void test_print_addr(abts_case *tc, void *data)
366 {
367     apr_sockaddr_t *sa;
368     apr_status_t rv;
369     char *s;
370 
371     rv = apr_sockaddr_info_get(&sa, "0.0.0.0", APR_INET, 80, 0, p);
372     APR_ASSERT_SUCCESS(tc, "Problem generating sockaddr", rv);
373 
374     s = apr_psprintf(p, "foo %pI bar", sa);
375 
376     ABTS_STR_EQUAL(tc, "foo 0.0.0.0:80 bar", s);
377 
378 #if APR_HAVE_IPV6
379     rv = apr_sockaddr_info_get(&sa, "::ffff:0.0.0.0", APR_INET6, 80, 0, p);
380     APR_ASSERT_SUCCESS(tc, "Problem generating sockaddr", rv);
381     if (rv == APR_SUCCESS)
382         ABTS_TRUE(tc, sa != NULL);
383     if (rv == APR_SUCCESS && sa) {
384         /* sa should now be a v4-mapped IPv6 address. */
385         char buf[128];
386         int rc;
387 
388         rc = apr_sockaddr_is_wildcard(sa);
389         ABTS_INT_NEQUAL(tc, 0, rc);
390 
391         memset(buf, 'z', sizeof buf);
392 
393         APR_ASSERT_SUCCESS(tc, "could not get IP address",
394                            apr_sockaddr_ip_getbuf(buf, 22, sa));
395 
396         ABTS_STR_EQUAL(tc, "0.0.0.0", buf);
397     }
398 #endif
399 }
400 
test_get_addr(abts_case * tc,void * data)401 static void test_get_addr(abts_case *tc, void *data)
402 {
403     apr_status_t rv;
404     apr_socket_t *ld, *sd, *cd;
405     apr_sockaddr_t *sa, *ca;
406     apr_pool_t *subp;
407     char *a, *b;
408 
409     APR_ASSERT_SUCCESS(tc, "create subpool", apr_pool_create(&subp, p));
410 
411     ld = setup_socket(tc);
412     if (!ld) return;
413 
414     APR_ASSERT_SUCCESS(tc,
415                        "get local address of bound socket",
416                        apr_socket_addr_get(&sa, APR_LOCAL, ld));
417 
418     rv = apr_socket_create(&cd, sa->family, SOCK_STREAM,
419                            APR_PROTO_TCP, subp);
420     APR_ASSERT_SUCCESS(tc, "create client socket", rv);
421 
422     APR_ASSERT_SUCCESS(tc, "enable non-block mode",
423                        apr_socket_opt_set(cd, APR_SO_NONBLOCK, 1));
424 
425     /* It is valid for a connect() on a socket with NONBLOCK set to
426      * succeed (if the connection can be established synchronously),
427      * but if it does, this test cannot proceed.  */
428     rv = apr_socket_connect(cd, sa);
429     if (rv == APR_SUCCESS) {
430         apr_socket_close(ld);
431         apr_socket_close(cd);
432         ABTS_NOT_IMPL(tc, "Cannot test if connect completes "
433                       "synchronously");
434         return;
435     }
436 
437     if (!APR_STATUS_IS_EINPROGRESS(rv)) {
438         apr_socket_close(ld);
439         apr_socket_close(cd);
440         APR_ASSERT_SUCCESS(tc, "connect to listener", rv);
441         return;
442     }
443 
444     APR_ASSERT_SUCCESS(tc, "accept connection",
445                        apr_socket_accept(&sd, ld, subp));
446 
447     {
448         /* wait for writability */
449         apr_pollfd_t pfd;
450         int n;
451 
452         pfd.p = p;
453         pfd.desc_type = APR_POLL_SOCKET;
454         pfd.reqevents = APR_POLLOUT|APR_POLLHUP;
455         pfd.desc.s = cd;
456         pfd.client_data = NULL;
457 
458         APR_ASSERT_SUCCESS(tc, "poll for connect completion",
459                            apr_poll(&pfd, 1, &n, 5 * APR_USEC_PER_SEC));
460 
461     }
462 
463     APR_ASSERT_SUCCESS(tc, "get local address of server socket",
464                        apr_socket_addr_get(&sa, APR_LOCAL, sd));
465     APR_ASSERT_SUCCESS(tc, "get remote address of client socket",
466                        apr_socket_addr_get(&ca, APR_REMOTE, cd));
467 
468     /* Test that the pool of the returned sockaddr objects exactly
469      * match the socket. */
470     ABTS_PTR_EQUAL(tc, subp, sa->pool);
471     ABTS_PTR_EQUAL(tc, subp, ca->pool);
472 
473     /* Check equivalence. */
474     a = apr_psprintf(p, "%pI fam=%d", sa, sa->family);
475     b = apr_psprintf(p, "%pI fam=%d", ca, ca->family);
476     ABTS_STR_EQUAL(tc, a, b);
477 
478     /* Check pool of returned sockaddr, as above. */
479     APR_ASSERT_SUCCESS(tc, "get local address of client socket",
480                        apr_socket_addr_get(&sa, APR_LOCAL, cd));
481     APR_ASSERT_SUCCESS(tc, "get remote address of server socket",
482                        apr_socket_addr_get(&ca, APR_REMOTE, sd));
483 
484     /* Check equivalence. */
485     a = apr_psprintf(p, "%pI fam=%d", sa, sa->family);
486     b = apr_psprintf(p, "%pI fam=%d", ca, ca->family);
487     ABTS_STR_EQUAL(tc, a, b);
488 
489     ABTS_PTR_EQUAL(tc, subp, sa->pool);
490     ABTS_PTR_EQUAL(tc, subp, ca->pool);
491 
492     apr_socket_close(cd);
493     apr_socket_close(sd);
494     apr_socket_close(ld);
495 
496     apr_pool_destroy(subp);
497 }
498 
499 /* Make sure that setting a connected socket non-blocking works
500  * when the listening socket was non-blocking.
501  * If APR thinks that non-blocking is inherited but it really
502  * isn't, this testcase will fail.
503  */
test_nonblock_inheritance(abts_case * tc,void * data)504 static void test_nonblock_inheritance(abts_case *tc, void *data)
505 {
506     apr_status_t rv;
507     apr_socket_t *sock;
508     apr_socket_t *sock2;
509     apr_proc_t proc;
510     char buffer[10];
511     apr_size_t length;
512     int tries;
513 
514     sock = setup_socket(tc);
515     if (!sock) return;
516 
517     rv = apr_socket_opt_set(sock, APR_SO_NONBLOCK, 1);
518     APR_ASSERT_SUCCESS(tc, "Could not make listening socket nonblocking", rv);
519 
520     launch_child(tc, &proc, "write_after_delay", p);
521 
522     tries = 10;
523     while (tries--) {
524         rv = apr_socket_accept(&sock2, sock, p);
525         if (!APR_STATUS_IS_EAGAIN(rv)) {
526             break;
527         }
528         apr_sleep(apr_time_from_msec(50));
529     }
530     APR_ASSERT_SUCCESS(tc, "Problem with receiving connection", rv);
531 
532     rv = apr_socket_opt_set(sock2, APR_SO_NONBLOCK, 1);
533     APR_ASSERT_SUCCESS(tc, "Could not make connected socket nonblocking", rv);
534 
535     length = sizeof buffer;
536     rv = apr_socket_recv(sock2, buffer, &length);
537     ABTS_ASSERT(tc, "should have gotten EAGAIN", APR_STATUS_IS_EAGAIN(rv));
538 
539     wait_child(tc, &proc);
540 
541     rv = apr_socket_close(sock2);
542     APR_ASSERT_SUCCESS(tc, "Problem closing connected socket", rv);
543     rv = apr_socket_close(sock);
544     APR_ASSERT_SUCCESS(tc, "Problem closing socket", rv);
545 }
546 
test_freebind(abts_case * tc,void * data)547 static void test_freebind(abts_case *tc, void *data)
548 {
549 #ifdef IP_FREEBIND
550     apr_status_t rv;
551     apr_socket_t *sock;
552     apr_sockaddr_t *sa;
553     apr_int32_t on;
554 
555     /* RFC 5737 address */
556     rv = apr_sockaddr_info_get(&sa, "192.0.2.1", APR_INET, 8080, 0, p);
557     APR_ASSERT_SUCCESS(tc, "Problem generating sockaddr", rv);
558 
559     rv = apr_socket_create(&sock, sa->family, SOCK_STREAM, APR_PROTO_TCP, p);
560     APR_ASSERT_SUCCESS(tc, "Problem creating socket", rv);
561 
562     rv = apr_socket_opt_set(sock, APR_SO_REUSEADDR, 1);
563     APR_ASSERT_SUCCESS(tc, "Could not set REUSEADDR on socket", rv);
564 
565     rv = apr_socket_opt_set(sock, APR_SO_FREEBIND, 1);
566     APR_ASSERT_SUCCESS(tc, "Could not enable FREEBIND option", rv);
567 
568     rv = apr_socket_opt_get(sock, APR_SO_FREEBIND, &on);
569     APR_ASSERT_SUCCESS(tc, "Could not retrieve FREEBIND option", rv);
570     ABTS_INT_EQUAL(tc, 1, on);
571 
572     rv = apr_socket_bind(sock, sa);
573     APR_ASSERT_SUCCESS(tc, "Problem binding to port with FREEBIND", rv);
574 
575     rv = apr_socket_close(sock);
576     APR_ASSERT_SUCCESS(tc, "Problem closing socket", rv);
577 #endif
578 }
579 
580 #define TEST_ZONE_ADDR "fe80::1"
581 
582 #ifdef __linux__
583 /* Reasonable bet that "lo" will exist. */
584 #define TEST_ZONE_NAME "lo"
585 /* ... fill in other platforms here */
586 #endif
587 
588 #ifdef TEST_ZONE_NAME
589 #define TEST_ZONE_FULLADDR TEST_ZONE_ADDR "%" TEST_ZONE_NAME
590 #endif
591 
test_zone(abts_case * tc,void * data)592 static void test_zone(abts_case *tc, void *data)
593 {
594 #if APR_HAVE_IPV6
595     apr_sockaddr_t *sa;
596     apr_status_t rv;
597     const char *name = NULL;
598     apr_uint32_t id = 0;
599 
600     rv = apr_sockaddr_info_get(&sa, "127.0.0.1", APR_INET, 8080, 0, p);
601     APR_ASSERT_SUCCESS(tc, "Problem generating sockaddr", rv);
602 
603     /* Fail for an IPv4 address! */
604     ABTS_INT_EQUAL(tc, APR_EBADIP,
605                    apr_sockaddr_zone_set(sa, "1"));
606     ABTS_INT_EQUAL(tc, APR_EBADIP,
607                    apr_sockaddr_zone_get(sa, &name, &id, p));
608 
609     rv = apr_sockaddr_info_get(&sa, "::1", APR_INET6, 8080, 0, p);
610     APR_ASSERT_SUCCESS(tc, "Problem generating sockaddr", rv);
611 
612     /* Fail for an address which isn't link-local */
613     ABTS_INT_EQUAL(tc, APR_EBADIP, apr_sockaddr_zone_set(sa, "1"));
614 
615     rv = apr_sockaddr_info_get(&sa, TEST_ZONE_ADDR, APR_INET6, 8080, 0, p);
616     APR_ASSERT_SUCCESS(tc, "Problem generating sockaddr", rv);
617 
618     ABTS_INT_EQUAL(tc, APR_EBADIP, apr_sockaddr_zone_get(sa, &name, &id, p));
619 
620 #ifdef TEST_ZONE_NAME
621     {
622         apr_sockaddr_t *sa2;
623         char buf[50];
624 
625         APR_ASSERT_SUCCESS(tc, "Set zone to " TEST_ZONE_NAME,
626                            apr_sockaddr_zone_set(sa, TEST_ZONE_NAME));
627 
628         APR_ASSERT_SUCCESS(tc, "Get zone",
629                            apr_sockaddr_zone_get(sa, NULL, NULL, p));
630 
631         APR_ASSERT_SUCCESS(tc, "Get zone",
632                            apr_sockaddr_zone_get(sa, &name, &id, p));
633         ABTS_STR_EQUAL(tc, TEST_ZONE_NAME, name);
634         ABTS_INT_NEQUAL(tc, 0, id); /* Only guarantee is that it should be non-zero */
635 
636         /* Check string translation. */
637         APR_ASSERT_SUCCESS(tc, "get IP address",
638                            apr_sockaddr_ip_getbuf(buf, 50, sa));
639         ABTS_STR_EQUAL(tc, TEST_ZONE_FULLADDR, buf);
640 
641         memset(buf, 'A', sizeof buf);
642         ABTS_INT_EQUAL(tc, APR_ENOSPC, apr_sockaddr_ip_getbuf(buf, strlen(TEST_ZONE_ADDR), sa));
643         ABTS_INT_EQUAL(tc, APR_ENOSPC, apr_sockaddr_ip_getbuf(buf, strlen(TEST_ZONE_FULLADDR), sa));
644 
645         APR_ASSERT_SUCCESS(tc, "get IP address",
646                            apr_sockaddr_ip_getbuf(buf, strlen(TEST_ZONE_FULLADDR) + 1, sa));
647         /* Check for overflow. */
648         ABTS_INT_EQUAL(tc, 'A', buf[strlen(buf) + 1]);
649 
650         rv = apr_sockaddr_info_copy(&sa2, sa, p);
651         APR_ASSERT_SUCCESS(tc, "Problem copying sockaddr", rv);
652 
653         /* Copy copied zone matches */
654         APR_ASSERT_SUCCESS(tc, "Get zone",
655                            apr_sockaddr_zone_get(sa2, &name, &id, p));
656         ABTS_STR_EQUAL(tc, TEST_ZONE_NAME, name);
657         ABTS_INT_NEQUAL(tc, 0, id); /* Only guarantee is that it should be non-zero */
658 
659         /* Should match self and copy */
660         ABTS_INT_NEQUAL(tc, 0, apr_sockaddr_equal(sa, sa));
661         ABTS_INT_NEQUAL(tc, 0, apr_sockaddr_equal(sa2, sa2));
662         ABTS_INT_NEQUAL(tc, 0, apr_sockaddr_equal(sa2, sa));
663 
664         /* Should not match against copy without zone set. */
665         rv = apr_sockaddr_info_get(&sa2, TEST_ZONE_ADDR, APR_INET6, 8080, 0, p);
666         APR_ASSERT_SUCCESS(tc, "Problem generating sockaddr", rv);
667 
668         ABTS_INT_EQUAL(tc, 0, apr_sockaddr_equal(sa2, sa));
669     }
670 #endif /* TEST_ZONE_NAME */
671 #endif /* APR_HAVE_IPV6 */
672 }
673 
testsock(abts_suite * suite)674 abts_suite *testsock(abts_suite *suite)
675 {
676     suite = ADD_SUITE(suite)
677     socket_name = IPV4_SOCKET_NAME;
678     abts_run_test(suite, test_addr_info, NULL);
679     abts_run_test(suite, test_addr_copy, NULL);
680     abts_run_test(suite, test_serv_by_name, NULL);
681     abts_run_test(suite, test_create_bind_listen, NULL);
682     abts_run_test(suite, test_send, NULL);
683     abts_run_test(suite, test_recv, NULL);
684     abts_run_test(suite, test_atreadeof, NULL);
685     abts_run_test(suite, test_timeout, NULL);
686     abts_run_test(suite, test_print_addr, NULL);
687     abts_run_test(suite, test_get_addr, NULL);
688     abts_run_test(suite, test_nonblock_inheritance, NULL);
689     abts_run_test(suite, test_freebind, NULL);
690     abts_run_test(suite, test_zone, NULL);
691 
692 #if APR_HAVE_SOCKADDR_UN
693     socket_name = UNIX_SOCKET_NAME;
694     socket_type = APR_UNIX;
695     abts_run_test(suite, test_create_bind_listen, NULL);
696     abts_run_test(suite, test_send, NULL);
697     abts_run_test(suite, test_recv, NULL);
698     abts_run_test(suite, test_timeout, NULL);
699 #endif
700     return suite;
701 }
702 
703