xref: /freebsd/lib/libc/tests/nss/getrpc_test.c (revision 81ad6265)
1 /*-
2  * Copyright (c) 2006 Michael Bushkov <bushman@freebsd.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  */
27 
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
30 
31 #include <arpa/inet.h>
32 #include <rpc/rpc.h>
33 #include <errno.h>
34 #include <stdio.h>
35 #include <stdlib.h>
36 #include <string.h>
37 #include <stringlist.h>
38 #include <unistd.h>
39 
40 #include <atf-c.h>
41 
42 #include "testutil.h"
43 
44 enum test_methods {
45 	TEST_GETRPCENT,
46 	TEST_GETRPCBYNAME,
47 	TEST_GETRPCBYNUMBER,
48 	TEST_GETRPCENT_2PASS,
49 	TEST_BUILD_SNAPSHOT
50 };
51 
52 DECLARE_TEST_DATA(rpcent)
53 DECLARE_TEST_FILE_SNAPSHOT(rpcent)
54 DECLARE_1PASS_TEST(rpcent)
55 DECLARE_2PASS_TEST(rpcent)
56 
57 static void clone_rpcent(struct rpcent *, struct rpcent const *);
58 static int compare_rpcent(struct rpcent *, struct rpcent *, void *);
59 static void dump_rpcent(struct rpcent *);
60 static void free_rpcent(struct rpcent *);
61 
62 static void sdump_rpcent(struct rpcent *, char *, size_t);
63 static int rpcent_read_snapshot_func(struct rpcent *, char *);
64 
65 static int rpcent_check_ambiguity(struct rpcent_test_data *,
66 	struct rpcent *);
67 static int rpcent_fill_test_data(struct rpcent_test_data *);
68 static int rpcent_test_correctness(struct rpcent *, void *);
69 static int rpcent_test_getrpcbyname(struct rpcent *, void *);
70 static int rpcent_test_getrpcbynumber(struct rpcent *, void *);
71 static int rpcent_test_getrpcent(struct rpcent *, void *);
72 
73 IMPLEMENT_TEST_DATA(rpcent)
74 IMPLEMENT_TEST_FILE_SNAPSHOT(rpcent)
75 IMPLEMENT_1PASS_TEST(rpcent)
76 IMPLEMENT_2PASS_TEST(rpcent)
77 
78 static void
79 clone_rpcent(struct rpcent *dest, struct rpcent const *src)
80 {
81 	ATF_REQUIRE(dest != NULL);
82 	ATF_REQUIRE(src != NULL);
83 
84 	char **cp;
85 	int aliases_num;
86 
87 	memset(dest, 0, sizeof(struct rpcent));
88 
89 	if (src->r_name != NULL) {
90 		dest->r_name = strdup(src->r_name);
91 		ATF_REQUIRE(dest->r_name != NULL);
92 	}
93 
94 	dest->r_number = src->r_number;
95 
96 	if (src->r_aliases != NULL) {
97 		aliases_num = 0;
98 		for (cp = src->r_aliases; *cp; ++cp)
99 			++aliases_num;
100 
101 		dest->r_aliases = calloc(aliases_num + 1, sizeof(char *));
102 		ATF_REQUIRE(dest->r_aliases != NULL);
103 
104 		for (cp = src->r_aliases; *cp; ++cp) {
105 			dest->r_aliases[cp - src->r_aliases] = strdup(*cp);
106 			ATF_REQUIRE(dest->r_aliases[cp - src->r_aliases] != NULL);
107 		}
108 	}
109 }
110 
111 static void
112 free_rpcent(struct rpcent *rpc)
113 {
114 	char **cp;
115 
116 	ATF_REQUIRE(rpc != NULL);
117 
118 	free(rpc->r_name);
119 
120 	for (cp = rpc->r_aliases; *cp; ++cp)
121 		free(*cp);
122 	free(rpc->r_aliases);
123 }
124 
125 static  int
126 compare_rpcent(struct rpcent *rpc1, struct rpcent *rpc2, void *mdata)
127 {
128 	char **c1, **c2;
129 
130 	if (rpc1 == rpc2)
131 		return 0;
132 
133 	if ((rpc1 == NULL) || (rpc2 == NULL))
134 		goto errfin;
135 
136 	if ((strcmp(rpc1->r_name, rpc2->r_name) != 0) ||
137 		(rpc1->r_number != rpc2->r_number))
138 			goto errfin;
139 
140 	c1 = rpc1->r_aliases;
141 	c2 = rpc2->r_aliases;
142 
143 	if ((rpc1->r_aliases == NULL) || (rpc2->r_aliases == NULL))
144 		goto errfin;
145 
146 	for (;*c1 && *c2; ++c1, ++c2)
147 		if (strcmp(*c1, *c2) != 0)
148 			goto errfin;
149 
150 	if ((*c1 != NULL) || (*c2 != NULL))
151 		goto errfin;
152 
153 	return 0;
154 
155 errfin:
156 	if (mdata == NULL) {
157 		printf("following structures are not equal:\n");
158 		dump_rpcent(rpc1);
159 		dump_rpcent(rpc2);
160 	}
161 
162 	return (-1);
163 }
164 
165 static void
166 sdump_rpcent(struct rpcent *rpc, char *buffer, size_t buflen)
167 {
168 	char **cp;
169 	int written;
170 
171 	written = snprintf(buffer, buflen, "%s %d",
172 		rpc->r_name, rpc->r_number);
173 	buffer += written;
174 	if (written > (int)buflen)
175 		return;
176 	buflen -= written;
177 
178 	if (rpc->r_aliases != NULL) {
179 		if (*(rpc->r_aliases) != NULL) {
180 			for (cp = rpc->r_aliases; *cp; ++cp) {
181 				written = snprintf(buffer, buflen, " %s", *cp);
182 				buffer += written;
183 				if (written > (int)buflen)
184 					return;
185 				buflen -= written;
186 
187 				if (buflen == 0)
188 					return;
189 			}
190 		} else
191 			snprintf(buffer, buflen, " noaliases");
192 	} else
193 		snprintf(buffer, buflen, " (null)");
194 }
195 
196 static int
197 rpcent_read_snapshot_func(struct rpcent *rpc, char *line)
198 {
199 	StringList *sl;
200 	char *s, *ps, *ts;
201 	int i;
202 
203 	printf("1 line read from snapshot:\n%s\n", line);
204 
205 	i = 0;
206 	sl = NULL;
207 	ps = line;
208 	memset(rpc, 0, sizeof(struct rpcent));
209 	while ((s = strsep(&ps, " ")) != NULL) {
210 		switch (i) {
211 		case 0:
212 				rpc->r_name = strdup(s);
213 				ATF_REQUIRE(rpc->r_name != NULL);
214 			break;
215 
216 		case 1:
217 			rpc->r_number = (int)strtol(s, &ts, 10);
218 			if (*ts != '\0') {
219 				free(rpc->r_name);
220 				return (-1);
221 			}
222 			break;
223 
224 		default:
225 			if (sl == NULL) {
226 				if (strcmp(s, "(null)") == 0)
227 					return (0);
228 
229 				sl = sl_init();
230 				ATF_REQUIRE(sl != NULL);
231 
232 				if (strcmp(s, "noaliases") != 0) {
233 					ts = strdup(s);
234 					ATF_REQUIRE(ts != NULL);
235 					sl_add(sl, ts);
236 				}
237 			} else {
238 				ts = strdup(s);
239 				ATF_REQUIRE(ts != NULL);
240 				sl_add(sl, ts);
241 			}
242 			break;
243 		}
244 		i++;
245 	}
246 
247 	if (i < 3) {
248 		free(rpc->r_name);
249 		memset(rpc, 0, sizeof(struct rpcent));
250 		return (-1);
251 	}
252 
253 	sl_add(sl, NULL);
254 	rpc->r_aliases = sl->sl_str;
255 
256 	/* NOTE: is it a dirty hack or not? */
257 	free(sl);
258 	return (0);
259 }
260 
261 static void
262 dump_rpcent(struct rpcent *result)
263 {
264 	if (result != NULL) {
265 		char buffer[1024];
266 		sdump_rpcent(result, buffer, sizeof(buffer));
267 		printf("%s\n", buffer);
268 	} else
269 		printf("(null)\n");
270 }
271 
272 static int
273 rpcent_fill_test_data(struct rpcent_test_data *td)
274 {
275 	struct rpcent *rpc;
276 
277 	setrpcent(1);
278 	while ((rpc = getrpcent()) != NULL) {
279 		if (rpcent_test_correctness(rpc, NULL) == 0)
280 			TEST_DATA_APPEND(rpcent, td, rpc);
281 		else
282 			return (-1);
283 	}
284 	endrpcent();
285 
286 	return (0);
287 }
288 
289 static int
290 rpcent_test_correctness(struct rpcent *rpc, void *mdata __unused)
291 {
292 
293 	printf("testing correctness with the following data:\n");
294 	dump_rpcent(rpc);
295 
296 	if (rpc == NULL)
297 		goto errfin;
298 
299 	if (rpc->r_name == NULL)
300 		goto errfin;
301 
302 	if (rpc->r_number < 0)
303 		goto errfin;
304 
305 	if (rpc->r_aliases == NULL)
306 		goto errfin;
307 
308 	printf("correct\n");
309 
310 	return (0);
311 errfin:
312 	printf("incorrect\n");
313 
314 	return (-1);
315 }
316 
317 /* rpcent_check_ambiguity() is needed when one port+rpc is associated with
318  * more than one piece (these cases are usually marked as PROBLEM in
319  * /etc/peices. This functions is needed also when one piece+rpc is
320  * associated with several ports. We have to check all the rpcent structures
321  * to make sure that rpc really exists and correct */
322 static int
323 rpcent_check_ambiguity(struct rpcent_test_data *td, struct rpcent *rpc)
324 {
325 
326 	return (TEST_DATA_FIND(rpcent, td, rpc, compare_rpcent,
327 		NULL) != NULL ? 0 : -1);
328 }
329 
330 static int
331 rpcent_test_getrpcbyname(struct rpcent *rpc_model, void *mdata)
332 {
333 	char **alias;
334 	struct rpcent *rpc;
335 
336 	printf("testing getrpcbyname() with the following data:\n");
337 	dump_rpcent(rpc_model);
338 
339 	rpc = getrpcbyname(rpc_model->r_name);
340 	if (rpcent_test_correctness(rpc, NULL) != 0)
341 		goto errfin;
342 
343 	if ((compare_rpcent(rpc, rpc_model, NULL) != 0) &&
344 	    (rpcent_check_ambiguity((struct rpcent_test_data *)mdata, rpc)
345 	    !=0))
346 	    goto errfin;
347 
348 	for (alias = rpc_model->r_aliases; *alias; ++alias) {
349 		rpc = getrpcbyname(*alias);
350 
351 		if (rpcent_test_correctness(rpc, NULL) != 0)
352 			goto errfin;
353 
354 		if ((compare_rpcent(rpc, rpc_model, NULL) != 0) &&
355 		    (rpcent_check_ambiguity(
356 		    (struct rpcent_test_data *)mdata, rpc) != 0))
357 		    goto errfin;
358 	}
359 
360 	printf("ok\n");
361 	return (0);
362 
363 errfin:
364 	printf("not ok\n");
365 
366 	return (-1);
367 }
368 
369 static int
370 rpcent_test_getrpcbynumber(struct rpcent *rpc_model, void *mdata)
371 {
372 	struct rpcent *rpc;
373 
374 	printf("testing getrpcbyport() with the following data...\n");
375 	dump_rpcent(rpc_model);
376 
377 	rpc = getrpcbynumber(rpc_model->r_number);
378 	if (rpcent_test_correctness(rpc, NULL) != 0 ||
379 	    (compare_rpcent(rpc, rpc_model, NULL) != 0 &&
380 	     rpcent_check_ambiguity((struct rpcent_test_data *)mdata, rpc)
381 	    != 0)) {
382 		printf("not ok\n");
383 		return (-1);
384 	} else {
385 		printf("ok\n");
386 		return (0);
387 	}
388 }
389 
390 static int
391 rpcent_test_getrpcent(struct rpcent *rpc, void *mdata __unused)
392 {
393 
394 	/*
395 	 * Only correctness can be checked when doing 1-pass test for
396 	 * getrpcent().
397 	 */
398 	return (rpcent_test_correctness(rpc, NULL));
399 }
400 
401 static int
402 run_tests(const char *snapshot_file, enum test_methods method)
403 {
404 	struct rpcent_test_data td, td_snap, td_2pass;
405 	int rv;
406 
407 	TEST_DATA_INIT(rpcent, &td, clone_rpcent, free_rpcent);
408 	TEST_DATA_INIT(rpcent, &td_snap, clone_rpcent, free_rpcent);
409 	if (snapshot_file != NULL) {
410 		if (access(snapshot_file, W_OK | R_OK) != 0) {
411 			if (errno == ENOENT)
412 				method = TEST_BUILD_SNAPSHOT;
413 			else {
414 				printf("can't access the file %s\n",
415 				    snapshot_file);
416 
417 				rv = -1;
418 				goto fin;
419 			}
420 		} else {
421 			if (method == TEST_BUILD_SNAPSHOT) {
422 				rv = 0;
423 				goto fin;
424 			}
425 
426 			TEST_SNAPSHOT_FILE_READ(rpcent, snapshot_file,
427 				&td_snap, rpcent_read_snapshot_func);
428 		}
429 	}
430 
431 	rv = rpcent_fill_test_data(&td);
432 	if (rv == -1)
433 		return (-1);
434 	switch (method) {
435 	case TEST_GETRPCBYNAME:
436 		if (snapshot_file == NULL)
437 			rv = DO_1PASS_TEST(rpcent, &td,
438 				rpcent_test_getrpcbyname, (void *)&td);
439 		else
440 			rv = DO_1PASS_TEST(rpcent, &td_snap,
441 				rpcent_test_getrpcbyname, (void *)&td_snap);
442 		break;
443 	case TEST_GETRPCBYNUMBER:
444 		if (snapshot_file == NULL)
445 			rv = DO_1PASS_TEST(rpcent, &td,
446 				rpcent_test_getrpcbynumber, (void *)&td);
447 		else
448 			rv = DO_1PASS_TEST(rpcent, &td_snap,
449 				rpcent_test_getrpcbynumber, (void *)&td_snap);
450 		break;
451 	case TEST_GETRPCENT:
452 		if (snapshot_file == NULL)
453 			rv = DO_1PASS_TEST(rpcent, &td, rpcent_test_getrpcent,
454 				(void *)&td);
455 		else
456 			rv = DO_2PASS_TEST(rpcent, &td, &td_snap,
457 				compare_rpcent, NULL);
458 		break;
459 	case TEST_GETRPCENT_2PASS:
460 			TEST_DATA_INIT(rpcent, &td_2pass, clone_rpcent, free_rpcent);
461 			rv = rpcent_fill_test_data(&td_2pass);
462 			if (rv != -1)
463 				rv = DO_2PASS_TEST(rpcent, &td, &td_2pass,
464 					compare_rpcent, NULL);
465 			TEST_DATA_DESTROY(rpcent, &td_2pass);
466 		break;
467 	case TEST_BUILD_SNAPSHOT:
468 		if (snapshot_file != NULL)
469 		    rv = TEST_SNAPSHOT_FILE_WRITE(rpcent, snapshot_file, &td,
470 			sdump_rpcent);
471 		break;
472 	default:
473 		rv = 0;
474 		break;
475 	}
476 
477 fin:
478 	TEST_DATA_DESTROY(rpcent, &td_snap);
479 	TEST_DATA_DESTROY(rpcent, &td);
480 
481 	return (rv);
482 }
483 
484 #define	SNAPSHOT_FILE	"snapshot_rpc"
485 
486 ATF_TC_WITHOUT_HEAD(build_snapshot);
487 ATF_TC_BODY(build_snapshot, tc)
488 {
489 
490 	ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_BUILD_SNAPSHOT) == 0);
491 }
492 
493 ATF_TC_WITHOUT_HEAD(getrpcbyname);
494 ATF_TC_BODY(getrpcbyname, tc)
495 {
496 
497 	ATF_REQUIRE(run_tests(NULL, TEST_GETRPCBYNAME) == 0);
498 }
499 
500 ATF_TC_WITHOUT_HEAD(getrpcbyname_with_snapshot);
501 ATF_TC_BODY(getrpcbyname_with_snapshot, tc)
502 {
503 
504 	ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_BUILD_SNAPSHOT) == 0);
505 	ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_GETRPCBYNAME) == 0);
506 }
507 
508 ATF_TC_WITHOUT_HEAD(getrpcbynumber);
509 ATF_TC_BODY(getrpcbynumber, tc)
510 {
511 
512 	ATF_REQUIRE(run_tests(NULL, TEST_GETRPCBYNUMBER) == 0);
513 }
514 
515 ATF_TC_WITHOUT_HEAD(getrpcbynumber_with_snapshot);
516 ATF_TC_BODY(getrpcbynumber_with_snapshot, tc)
517 {
518 
519 	ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_BUILD_SNAPSHOT) == 0);
520 	ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_GETRPCBYNUMBER) == 0);
521 }
522 
523 ATF_TC_WITHOUT_HEAD(getrpcbyent);
524 ATF_TC_BODY(getrpcbyent, tc)
525 {
526 
527 	ATF_REQUIRE(run_tests(NULL, TEST_GETRPCENT) == 0);
528 }
529 
530 ATF_TC_WITHOUT_HEAD(getrpcbyent_with_snapshot);
531 ATF_TC_BODY(getrpcbyent_with_snapshot, tc)
532 {
533 
534 	ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_BUILD_SNAPSHOT) == 0);
535 	ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_GETRPCENT) == 0);
536 }
537 
538 ATF_TC_WITHOUT_HEAD(getrpcbyent_with_two_pass);
539 ATF_TC_BODY(getrpcbyent_with_two_pass, tc)
540 {
541 
542 	ATF_REQUIRE(run_tests(NULL, TEST_GETRPCENT_2PASS) == 0);
543 }
544 
545 ATF_TP_ADD_TCS(tp)
546 {
547 
548 	ATF_TP_ADD_TC(tp, build_snapshot);
549 	ATF_TP_ADD_TC(tp, getrpcbyname);
550 	ATF_TP_ADD_TC(tp, getrpcbyname_with_snapshot);
551 	ATF_TP_ADD_TC(tp, getrpcbynumber);
552 	ATF_TP_ADD_TC(tp, getrpcbynumber_with_snapshot);
553 	ATF_TP_ADD_TC(tp, getrpcbyent);
554 	ATF_TP_ADD_TC(tp, getrpcbyent_with_snapshot);
555 	ATF_TP_ADD_TC(tp, getrpcbyent_with_two_pass);
556 
557 	return (atf_no_error());
558 }
559