xref: /freebsd/lib/libc/tests/nss/getrpc_test.c (revision 4b9d6057)
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 <arpa/inet.h>
29 #include <rpc/rpc.h>
30 #include <errno.h>
31 #include <stdio.h>
32 #include <stdlib.h>
33 #include <string.h>
34 #include <stringlist.h>
35 #include <unistd.h>
36 
37 #include <atf-c.h>
38 
39 #include "testutil.h"
40 
41 enum test_methods {
42 	TEST_GETRPCENT,
43 	TEST_GETRPCBYNAME,
44 	TEST_GETRPCBYNUMBER,
45 	TEST_GETRPCENT_2PASS,
46 	TEST_BUILD_SNAPSHOT
47 };
48 
49 DECLARE_TEST_DATA(rpcent)
50 DECLARE_TEST_FILE_SNAPSHOT(rpcent)
51 DECLARE_1PASS_TEST(rpcent)
52 DECLARE_2PASS_TEST(rpcent)
53 
54 static void clone_rpcent(struct rpcent *, struct rpcent const *);
55 static int compare_rpcent(struct rpcent *, struct rpcent *, void *);
56 static void dump_rpcent(struct rpcent *);
57 static void free_rpcent(struct rpcent *);
58 
59 static void sdump_rpcent(struct rpcent *, char *, size_t);
60 static int rpcent_read_snapshot_func(struct rpcent *, char *);
61 
62 static int rpcent_check_ambiguity(struct rpcent_test_data *,
63 	struct rpcent *);
64 static int rpcent_fill_test_data(struct rpcent_test_data *);
65 static int rpcent_test_correctness(struct rpcent *, void *);
66 static int rpcent_test_getrpcbyname(struct rpcent *, void *);
67 static int rpcent_test_getrpcbynumber(struct rpcent *, void *);
68 static int rpcent_test_getrpcent(struct rpcent *, void *);
69 
70 IMPLEMENT_TEST_DATA(rpcent)
71 IMPLEMENT_TEST_FILE_SNAPSHOT(rpcent)
72 IMPLEMENT_1PASS_TEST(rpcent)
73 IMPLEMENT_2PASS_TEST(rpcent)
74 
75 static void
76 clone_rpcent(struct rpcent *dest, struct rpcent const *src)
77 {
78 	ATF_REQUIRE(dest != NULL);
79 	ATF_REQUIRE(src != NULL);
80 
81 	char **cp;
82 	int aliases_num;
83 
84 	memset(dest, 0, sizeof(struct rpcent));
85 
86 	if (src->r_name != NULL) {
87 		dest->r_name = strdup(src->r_name);
88 		ATF_REQUIRE(dest->r_name != NULL);
89 	}
90 
91 	dest->r_number = src->r_number;
92 
93 	if (src->r_aliases != NULL) {
94 		aliases_num = 0;
95 		for (cp = src->r_aliases; *cp; ++cp)
96 			++aliases_num;
97 
98 		dest->r_aliases = calloc(aliases_num + 1, sizeof(char *));
99 		ATF_REQUIRE(dest->r_aliases != NULL);
100 
101 		for (cp = src->r_aliases; *cp; ++cp) {
102 			dest->r_aliases[cp - src->r_aliases] = strdup(*cp);
103 			ATF_REQUIRE(dest->r_aliases[cp - src->r_aliases] != NULL);
104 		}
105 	}
106 }
107 
108 static void
109 free_rpcent(struct rpcent *rpc)
110 {
111 	char **cp;
112 
113 	ATF_REQUIRE(rpc != NULL);
114 
115 	free(rpc->r_name);
116 
117 	for (cp = rpc->r_aliases; *cp; ++cp)
118 		free(*cp);
119 	free(rpc->r_aliases);
120 }
121 
122 static  int
123 compare_rpcent(struct rpcent *rpc1, struct rpcent *rpc2, void *mdata)
124 {
125 	char **c1, **c2;
126 
127 	if (rpc1 == rpc2)
128 		return 0;
129 
130 	if ((rpc1 == NULL) || (rpc2 == NULL))
131 		goto errfin;
132 
133 	if ((strcmp(rpc1->r_name, rpc2->r_name) != 0) ||
134 		(rpc1->r_number != rpc2->r_number))
135 			goto errfin;
136 
137 	c1 = rpc1->r_aliases;
138 	c2 = rpc2->r_aliases;
139 
140 	if ((rpc1->r_aliases == NULL) || (rpc2->r_aliases == NULL))
141 		goto errfin;
142 
143 	for (;*c1 && *c2; ++c1, ++c2)
144 		if (strcmp(*c1, *c2) != 0)
145 			goto errfin;
146 
147 	if ((*c1 != NULL) || (*c2 != NULL))
148 		goto errfin;
149 
150 	return 0;
151 
152 errfin:
153 	if (mdata == NULL) {
154 		printf("following structures are not equal:\n");
155 		dump_rpcent(rpc1);
156 		dump_rpcent(rpc2);
157 	}
158 
159 	return (-1);
160 }
161 
162 static void
163 sdump_rpcent(struct rpcent *rpc, char *buffer, size_t buflen)
164 {
165 	char **cp;
166 	int written;
167 
168 	written = snprintf(buffer, buflen, "%s %d",
169 		rpc->r_name, rpc->r_number);
170 	buffer += written;
171 	if (written > (int)buflen)
172 		return;
173 	buflen -= written;
174 
175 	if (rpc->r_aliases != NULL) {
176 		if (*(rpc->r_aliases) != NULL) {
177 			for (cp = rpc->r_aliases; *cp; ++cp) {
178 				written = snprintf(buffer, buflen, " %s", *cp);
179 				buffer += written;
180 				if (written > (int)buflen)
181 					return;
182 				buflen -= written;
183 
184 				if (buflen == 0)
185 					return;
186 			}
187 		} else
188 			snprintf(buffer, buflen, " noaliases");
189 	} else
190 		snprintf(buffer, buflen, " (null)");
191 }
192 
193 static int
194 rpcent_read_snapshot_func(struct rpcent *rpc, char *line)
195 {
196 	StringList *sl;
197 	char *s, *ps, *ts;
198 	int i;
199 
200 	printf("1 line read from snapshot:\n%s\n", line);
201 
202 	i = 0;
203 	sl = NULL;
204 	ps = line;
205 	memset(rpc, 0, sizeof(struct rpcent));
206 	while ((s = strsep(&ps, " ")) != NULL) {
207 		switch (i) {
208 		case 0:
209 				rpc->r_name = strdup(s);
210 				ATF_REQUIRE(rpc->r_name != NULL);
211 			break;
212 
213 		case 1:
214 			rpc->r_number = (int)strtol(s, &ts, 10);
215 			if (*ts != '\0') {
216 				free(rpc->r_name);
217 				return (-1);
218 			}
219 			break;
220 
221 		default:
222 			if (sl == NULL) {
223 				if (strcmp(s, "(null)") == 0)
224 					return (0);
225 
226 				sl = sl_init();
227 				ATF_REQUIRE(sl != NULL);
228 
229 				if (strcmp(s, "noaliases") != 0) {
230 					ts = strdup(s);
231 					ATF_REQUIRE(ts != NULL);
232 					sl_add(sl, ts);
233 				}
234 			} else {
235 				ts = strdup(s);
236 				ATF_REQUIRE(ts != NULL);
237 				sl_add(sl, ts);
238 			}
239 			break;
240 		}
241 		i++;
242 	}
243 
244 	if (i < 3) {
245 		free(rpc->r_name);
246 		memset(rpc, 0, sizeof(struct rpcent));
247 		return (-1);
248 	}
249 
250 	sl_add(sl, NULL);
251 	rpc->r_aliases = sl->sl_str;
252 
253 	/* NOTE: is it a dirty hack or not? */
254 	free(sl);
255 	return (0);
256 }
257 
258 static void
259 dump_rpcent(struct rpcent *result)
260 {
261 	if (result != NULL) {
262 		char buffer[1024];
263 		sdump_rpcent(result, buffer, sizeof(buffer));
264 		printf("%s\n", buffer);
265 	} else
266 		printf("(null)\n");
267 }
268 
269 static int
270 rpcent_fill_test_data(struct rpcent_test_data *td)
271 {
272 	struct rpcent *rpc;
273 
274 	setrpcent(1);
275 	while ((rpc = getrpcent()) != NULL) {
276 		if (rpcent_test_correctness(rpc, NULL) == 0)
277 			TEST_DATA_APPEND(rpcent, td, rpc);
278 		else
279 			return (-1);
280 	}
281 	endrpcent();
282 
283 	return (0);
284 }
285 
286 static int
287 rpcent_test_correctness(struct rpcent *rpc, void *mdata __unused)
288 {
289 
290 	printf("testing correctness with the following data:\n");
291 	dump_rpcent(rpc);
292 
293 	if (rpc == NULL)
294 		goto errfin;
295 
296 	if (rpc->r_name == NULL)
297 		goto errfin;
298 
299 	if (rpc->r_number < 0)
300 		goto errfin;
301 
302 	if (rpc->r_aliases == NULL)
303 		goto errfin;
304 
305 	printf("correct\n");
306 
307 	return (0);
308 errfin:
309 	printf("incorrect\n");
310 
311 	return (-1);
312 }
313 
314 /* rpcent_check_ambiguity() is needed when one port+rpc is associated with
315  * more than one piece (these cases are usually marked as PROBLEM in
316  * /etc/peices. This functions is needed also when one piece+rpc is
317  * associated with several ports. We have to check all the rpcent structures
318  * to make sure that rpc really exists and correct */
319 static int
320 rpcent_check_ambiguity(struct rpcent_test_data *td, struct rpcent *rpc)
321 {
322 
323 	return (TEST_DATA_FIND(rpcent, td, rpc, compare_rpcent,
324 		NULL) != NULL ? 0 : -1);
325 }
326 
327 static int
328 rpcent_test_getrpcbyname(struct rpcent *rpc_model, void *mdata)
329 {
330 	char **alias;
331 	struct rpcent *rpc;
332 
333 	printf("testing getrpcbyname() with the following data:\n");
334 	dump_rpcent(rpc_model);
335 
336 	rpc = getrpcbyname(rpc_model->r_name);
337 	if (rpcent_test_correctness(rpc, NULL) != 0)
338 		goto errfin;
339 
340 	if ((compare_rpcent(rpc, rpc_model, NULL) != 0) &&
341 	    (rpcent_check_ambiguity((struct rpcent_test_data *)mdata, rpc)
342 	    !=0))
343 	    goto errfin;
344 
345 	for (alias = rpc_model->r_aliases; *alias; ++alias) {
346 		rpc = getrpcbyname(*alias);
347 
348 		if (rpcent_test_correctness(rpc, NULL) != 0)
349 			goto errfin;
350 
351 		if ((compare_rpcent(rpc, rpc_model, NULL) != 0) &&
352 		    (rpcent_check_ambiguity(
353 		    (struct rpcent_test_data *)mdata, rpc) != 0))
354 		    goto errfin;
355 	}
356 
357 	printf("ok\n");
358 	return (0);
359 
360 errfin:
361 	printf("not ok\n");
362 
363 	return (-1);
364 }
365 
366 static int
367 rpcent_test_getrpcbynumber(struct rpcent *rpc_model, void *mdata)
368 {
369 	struct rpcent *rpc;
370 
371 	printf("testing getrpcbyport() with the following data...\n");
372 	dump_rpcent(rpc_model);
373 
374 	rpc = getrpcbynumber(rpc_model->r_number);
375 	if (rpcent_test_correctness(rpc, NULL) != 0 ||
376 	    (compare_rpcent(rpc, rpc_model, NULL) != 0 &&
377 	     rpcent_check_ambiguity((struct rpcent_test_data *)mdata, rpc)
378 	    != 0)) {
379 		printf("not ok\n");
380 		return (-1);
381 	} else {
382 		printf("ok\n");
383 		return (0);
384 	}
385 }
386 
387 static int
388 rpcent_test_getrpcent(struct rpcent *rpc, void *mdata __unused)
389 {
390 
391 	/*
392 	 * Only correctness can be checked when doing 1-pass test for
393 	 * getrpcent().
394 	 */
395 	return (rpcent_test_correctness(rpc, NULL));
396 }
397 
398 static int
399 run_tests(const char *snapshot_file, enum test_methods method)
400 {
401 	struct rpcent_test_data td, td_snap, td_2pass;
402 	int rv;
403 
404 	TEST_DATA_INIT(rpcent, &td, clone_rpcent, free_rpcent);
405 	TEST_DATA_INIT(rpcent, &td_snap, clone_rpcent, free_rpcent);
406 	if (snapshot_file != NULL) {
407 		if (access(snapshot_file, W_OK | R_OK) != 0) {
408 			if (errno == ENOENT)
409 				method = TEST_BUILD_SNAPSHOT;
410 			else {
411 				printf("can't access the file %s\n",
412 				    snapshot_file);
413 
414 				rv = -1;
415 				goto fin;
416 			}
417 		} else {
418 			if (method == TEST_BUILD_SNAPSHOT) {
419 				rv = 0;
420 				goto fin;
421 			}
422 
423 			TEST_SNAPSHOT_FILE_READ(rpcent, snapshot_file,
424 				&td_snap, rpcent_read_snapshot_func);
425 		}
426 	}
427 
428 	rv = rpcent_fill_test_data(&td);
429 	if (rv == -1)
430 		return (-1);
431 	switch (method) {
432 	case TEST_GETRPCBYNAME:
433 		if (snapshot_file == NULL)
434 			rv = DO_1PASS_TEST(rpcent, &td,
435 				rpcent_test_getrpcbyname, (void *)&td);
436 		else
437 			rv = DO_1PASS_TEST(rpcent, &td_snap,
438 				rpcent_test_getrpcbyname, (void *)&td_snap);
439 		break;
440 	case TEST_GETRPCBYNUMBER:
441 		if (snapshot_file == NULL)
442 			rv = DO_1PASS_TEST(rpcent, &td,
443 				rpcent_test_getrpcbynumber, (void *)&td);
444 		else
445 			rv = DO_1PASS_TEST(rpcent, &td_snap,
446 				rpcent_test_getrpcbynumber, (void *)&td_snap);
447 		break;
448 	case TEST_GETRPCENT:
449 		if (snapshot_file == NULL)
450 			rv = DO_1PASS_TEST(rpcent, &td, rpcent_test_getrpcent,
451 				(void *)&td);
452 		else
453 			rv = DO_2PASS_TEST(rpcent, &td, &td_snap,
454 				compare_rpcent, NULL);
455 		break;
456 	case TEST_GETRPCENT_2PASS:
457 			TEST_DATA_INIT(rpcent, &td_2pass, clone_rpcent, free_rpcent);
458 			rv = rpcent_fill_test_data(&td_2pass);
459 			if (rv != -1)
460 				rv = DO_2PASS_TEST(rpcent, &td, &td_2pass,
461 					compare_rpcent, NULL);
462 			TEST_DATA_DESTROY(rpcent, &td_2pass);
463 		break;
464 	case TEST_BUILD_SNAPSHOT:
465 		if (snapshot_file != NULL)
466 		    rv = TEST_SNAPSHOT_FILE_WRITE(rpcent, snapshot_file, &td,
467 			sdump_rpcent);
468 		break;
469 	default:
470 		rv = 0;
471 		break;
472 	}
473 
474 fin:
475 	TEST_DATA_DESTROY(rpcent, &td_snap);
476 	TEST_DATA_DESTROY(rpcent, &td);
477 
478 	return (rv);
479 }
480 
481 #define	SNAPSHOT_FILE	"snapshot_rpc"
482 
483 ATF_TC_WITHOUT_HEAD(build_snapshot);
484 ATF_TC_BODY(build_snapshot, tc)
485 {
486 
487 	ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_BUILD_SNAPSHOT) == 0);
488 }
489 
490 ATF_TC_WITHOUT_HEAD(getrpcbyname);
491 ATF_TC_BODY(getrpcbyname, tc)
492 {
493 
494 	ATF_REQUIRE(run_tests(NULL, TEST_GETRPCBYNAME) == 0);
495 }
496 
497 ATF_TC_WITHOUT_HEAD(getrpcbyname_with_snapshot);
498 ATF_TC_BODY(getrpcbyname_with_snapshot, tc)
499 {
500 
501 	ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_BUILD_SNAPSHOT) == 0);
502 	ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_GETRPCBYNAME) == 0);
503 }
504 
505 ATF_TC_WITHOUT_HEAD(getrpcbynumber);
506 ATF_TC_BODY(getrpcbynumber, tc)
507 {
508 
509 	ATF_REQUIRE(run_tests(NULL, TEST_GETRPCBYNUMBER) == 0);
510 }
511 
512 ATF_TC_WITHOUT_HEAD(getrpcbynumber_with_snapshot);
513 ATF_TC_BODY(getrpcbynumber_with_snapshot, tc)
514 {
515 
516 	ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_BUILD_SNAPSHOT) == 0);
517 	ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_GETRPCBYNUMBER) == 0);
518 }
519 
520 ATF_TC_WITHOUT_HEAD(getrpcbyent);
521 ATF_TC_BODY(getrpcbyent, tc)
522 {
523 
524 	ATF_REQUIRE(run_tests(NULL, TEST_GETRPCENT) == 0);
525 }
526 
527 ATF_TC_WITHOUT_HEAD(getrpcbyent_with_snapshot);
528 ATF_TC_BODY(getrpcbyent_with_snapshot, tc)
529 {
530 
531 	ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_BUILD_SNAPSHOT) == 0);
532 	ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_GETRPCENT) == 0);
533 }
534 
535 ATF_TC_WITHOUT_HEAD(getrpcbyent_with_two_pass);
536 ATF_TC_BODY(getrpcbyent_with_two_pass, tc)
537 {
538 
539 	ATF_REQUIRE(run_tests(NULL, TEST_GETRPCENT_2PASS) == 0);
540 }
541 
542 ATF_TP_ADD_TCS(tp)
543 {
544 
545 	ATF_TP_ADD_TC(tp, build_snapshot);
546 	ATF_TP_ADD_TC(tp, getrpcbyname);
547 	ATF_TP_ADD_TC(tp, getrpcbyname_with_snapshot);
548 	ATF_TP_ADD_TC(tp, getrpcbynumber);
549 	ATF_TP_ADD_TC(tp, getrpcbynumber_with_snapshot);
550 	ATF_TP_ADD_TC(tp, getrpcbyent);
551 	ATF_TP_ADD_TC(tp, getrpcbyent_with_snapshot);
552 	ATF_TP_ADD_TC(tp, getrpcbyent_with_two_pass);
553 
554 	return (atf_no_error());
555 }
556