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)
IMPLEMENT_TEST_FILE_SNAPSHOT(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
free_rpcent(struct rpcent * rpc)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
compare_rpcent(struct rpcent * rpc1,struct rpcent * rpc2,void * mdata)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
sdump_rpcent(struct rpcent * rpc,char * buffer,size_t buflen)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
rpcent_read_snapshot_func(struct rpcent * rpc,char * line)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
dump_rpcent(struct rpcent * result)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
rpcent_fill_test_data(struct rpcent_test_data * td)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
rpcent_test_correctness(struct rpcent * rpc,void * mdata __unused)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
rpcent_check_ambiguity(struct rpcent_test_data * td,struct rpcent * rpc)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
rpcent_test_getrpcbyname(struct rpcent * rpc_model,void * mdata)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
rpcent_test_getrpcbynumber(struct rpcent * rpc_model,void * mdata)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
rpcent_test_getrpcent(struct rpcent * rpc,void * mdata __unused)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
run_tests(const char * snapshot_file,enum test_methods method)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);
ATF_TC_BODY(build_snapshot,tc)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);
ATF_TC_BODY(getrpcbyname,tc)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);
ATF_TC_BODY(getrpcbyname_with_snapshot,tc)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);
ATF_TC_BODY(getrpcbynumber,tc)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);
ATF_TC_BODY(getrpcbynumber_with_snapshot,tc)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);
ATF_TC_BODY(getrpcbyent,tc)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);
ATF_TC_BODY(getrpcbyent_with_snapshot,tc)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);
ATF_TC_BODY(getrpcbyent_with_two_pass,tc)536 ATF_TC_BODY(getrpcbyent_with_two_pass, tc)
537 {
538
539 ATF_REQUIRE(run_tests(NULL, TEST_GETRPCENT_2PASS) == 0);
540 }
541
ATF_TP_ADD_TCS(tp)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