tools/regression/lib/libc/nss/test-getrpc.c

   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 <assert.h>
  34 #include <errno.h>
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <string.h>
  38 #include <stringlist.h>
  39 #include <unistd.h>
  40 #include "testutil.h"
  41
  42 enum test_methods {
  43         TEST_GETRPCENT,
  44         TEST_GETRPCBYNAME,
  45         TEST_GETRPCBYNUMBER,
  46         TEST_GETRPCENT_2PASS,
  47         TEST_BUILD_SNAPSHOT
  48 };
  49
  50 static int debug = 0;
  51 static enum test_methods method = TEST_BUILD_SNAPSHOT;
  52
  53 DECLARE_TEST_DATA(rpcent)
  54 DECLARE_TEST_FILE_SNAPSHOT(rpcent)
  55 DECLARE_1PASS_TEST(rpcent)
  56 DECLARE_2PASS_TEST(rpcent)
  57
  58 static void clone_rpcent(struct rpcent *, struct rpcent const *);
  59 static int compare_rpcent(struct rpcent *, struct rpcent *, void *);
  60 static void dump_rpcent(struct rpcent *);
  61 static void free_rpcent(struct rpcent *);
  62
  63 static void sdump_rpcent(struct rpcent *, char *, size_t);
  64 static int rpcent_read_snapshot_func(struct rpcent *, char *);
  65
  66 static int rpcent_check_ambiguity(struct rpcent_test_data *,
  67         struct rpcent *);
  68 static int rpcent_fill_test_data(struct rpcent_test_data *);
  69 static int rpcent_test_correctness(struct rpcent *, void *);
  70 static int rpcent_test_getrpcbyname(struct rpcent *, void *);
  71 static int rpcent_test_getrpcbynumber(struct rpcent *, void *);
  72 static int rpcent_test_getrpcent(struct rpcent *, void *);
  73
  74 static void usage(void)  __attribute__((__noreturn__));
  75
  76 IMPLEMENT_TEST_DATA(rpcent)
  77 IMPLEMENT_TEST_FILE_SNAPSHOT(rpcent)
  78 IMPLEMENT_1PASS_TEST(rpcent)
  79 IMPLEMENT_2PASS_TEST(rpcent)
  80
  81 static void
  82 clone_rpcent(struct rpcent *dest, struct rpcent const *src)
  83 {
  84         assert(dest != NULL);
  85         assert(src != NULL);
  86
  87         char **cp;
  88         int aliases_num;
  89
  90         memset(dest, 0, sizeof(struct rpcent));
  91
  92         if (src->r_name != NULL) {
  93                 dest->r_name = strdup(src->r_name);
  94                 assert(dest->r_name != NULL);
  95         }
  96
  97         dest->r_number = src->r_number;
  98
  99         if (src->r_aliases != NULL) {
 100                 aliases_num = 0;
 101                 for (cp = src->r_aliases; *cp; ++cp)
 102                         ++aliases_num;
 103
 104                 dest->r_aliases = (char **)malloc((aliases_num+1) * (sizeof(char *)));
 105                 assert(dest->r_aliases != NULL);
 106                 memset(dest->r_aliases, 0, (aliases_num+1) * (sizeof(char *)));
 107
 108                 for (cp = src->r_aliases; *cp; ++cp) {
 109                         dest->r_aliases[cp - src->r_aliases] = strdup(*cp);
 110                         assert(dest->r_aliases[cp - src->r_aliases] != NULL);
 111                 }
 112         }
 113 }
 114
 115 static void
 116 free_rpcent(struct rpcent *rpc)
 117 {
 118         char **cp;
 119
 120         assert(rpc != NULL);
 121
 122         free(rpc->r_name);
 123
 124         for (cp = rpc->r_aliases; *cp; ++cp)
 125                 free(*cp);
 126         free(rpc->r_aliases);
 127 }
 128
 129 static  int
 130 compare_rpcent(struct rpcent *rpc1, struct rpcent *rpc2, void *mdata)
 131 {
 132         char **c1, **c2;
 133
 134         if (rpc1 == rpc2)
 135                 return 0;
 136
 137         if ((rpc1 == NULL) || (rpc2 == NULL))
 138                 goto errfin;
 139
 140         if ((strcmp(rpc1->r_name, rpc2->r_name) != 0) ||
 141                 (rpc1->r_number != rpc2->r_number))
 142                         goto errfin;
 143
 144         c1 = rpc1->r_aliases;
 145         c2 = rpc2->r_aliases;
 146
 147         if ((rpc1->r_aliases == NULL) || (rpc2->r_aliases == NULL))
 148                 goto errfin;
 149
 150         for (;*c1 && *c2; ++c1, ++c2)
 151                 if (strcmp(*c1, *c2) != 0)
 152                         goto errfin;
 153
 154         if ((*c1 != '\0') || (*c2 != '\0'))
 155                 goto errfin;
 156
 157         return 0;
 158
 159 errfin:
 160         if ((debug) && (mdata == NULL)) {
 161                 printf("following structures are not equal:\n");
 162                 dump_rpcent(rpc1);
 163                 dump_rpcent(rpc2);
 164         }
 165
 166         return (-1);
 167 }
 168
 169 static void
 170 sdump_rpcent(struct rpcent *rpc, char *buffer, size_t buflen)
 171 {
 172         char **cp;
 173         int written;
 174
 175         written = snprintf(buffer, buflen, "%s %d",
 176                 rpc->r_name, rpc->r_number);
 177         buffer += written;
 178         if (written > buflen)
 179                 return;
 180         buflen -= written;
 181
 182         if (rpc->r_aliases != NULL) {
 183                 if (*(rpc->r_aliases) != '\0') {
 184                         for (cp = rpc->r_aliases; *cp; ++cp) {
 185                                 written = snprintf(buffer, buflen, " %s",*cp);
 186                                 buffer += written;
 187                                 if (written > buflen)
 188                                         return;
 189                                 buflen -= written;
 190
 191                                 if (buflen == 0)
 192                                         return;
 193                         }
 194                 } else
 195                         snprintf(buffer, buflen, " noaliases");
 196         } else
 197                 snprintf(buffer, buflen, " (null)");
 198 }
 199
 200 static int
 201 rpcent_read_snapshot_func(struct rpcent *rpc, char *line)
 202 {
 203         StringList *sl;
 204         char *s, *ps, *ts;
 205         int i;
 206
 207         if (debug)
 208                 printf("1 line read from snapshot:\n%s\n", line);
 209
 210         i = 0;
 211         sl = NULL;
 212         ps = line;
 213         memset(rpc, 0, sizeof(struct rpcent));
 214         while ( (s = strsep(&ps, " ")) != NULL) {
 215                 switch (i) {
 216                         case 0:
 217                                 rpc->r_name = strdup(s);
 218                                 assert(rpc->r_name != NULL);
 219                         break;
 220
 221                         case 1:
 222                                 rpc->r_number = (int)strtol(s, &ts, 10);
 223                                 if (*ts != '\0') {
 224                                         free(rpc->r_name);
 225                                         return (-1);
 226                                 }
 227                         break;
 228
 229                         default:
 230                                 if (sl == NULL) {
 231                                         if (strcmp(s, "(null)") == 0)
 232                                                 return (0);
 233
 234                                         sl = sl_init();
 235                                         assert(sl != NULL);
 236
 237                                         if (strcmp(s, "noaliases") != 0) {
 238                                                 ts = strdup(s);
 239                                                 assert(ts != NULL);
 240                                                 sl_add(sl, ts);
 241                                         }
 242                                 } else {
 243                                         ts = strdup(s);
 244                                         assert(ts != NULL);
 245                                         sl_add(sl, ts);
 246                                 }
 247                         break;
 248                 };
 249                 ++i;
 250         }
 251
 252         if (i < 3) {
 253                 free(rpc->r_name);
 254                 memset(rpc, 0, sizeof(struct rpcent));
 255                 return (-1);
 256         }
 257
 258         sl_add(sl, NULL);
 259         rpc->r_aliases = sl->sl_str;
 260
 261         /* NOTE: is it a dirty hack or not? */
 262         free(sl);
 263         return (0);
 264 }
 265
 266 static void
 267 dump_rpcent(struct rpcent *result)
 268 {
 269         if (result != NULL) {
 270                 char buffer[1024];
 271                 sdump_rpcent(result, buffer, sizeof(buffer));
 272                 printf("%s\n", buffer);
 273         } else
 274                 printf("(null)\n");
 275 }
 276
 277 static int
 278 rpcent_fill_test_data(struct rpcent_test_data *td)
 279 {
 280         struct rpcent *rpc;
 281
 282         setrpcent(1);
 283         while ((rpc = getrpcent()) != NULL) {
 284                 if (rpcent_test_correctness(rpc, NULL) == 0)
 285                         TEST_DATA_APPEND(rpcent, td, rpc);
 286                 else
 287                         return (-1);
 288         }
 289         endrpcent();
 290
 291         return (0);
 292 }
 293
 294 static int
 295 rpcent_test_correctness(struct rpcent *rpc, void *mdata)
 296 {
 297         if (debug) {
 298                 printf("testing correctness with the following data:\n");
 299                 dump_rpcent(rpc);
 300         }
 301
 302         if (rpc == NULL)
 303                 goto errfin;
 304
 305         if (rpc->r_name == NULL)
 306                 goto errfin;
 307
 308         if (rpc->r_number < 0)
 309                 goto errfin;
 310
 311         if (rpc->r_aliases == NULL)
 312                 goto errfin;
 313
 314         if (debug)
 315                 printf("correct\n");
 316
 317         return (0);
 318 errfin:
 319         if (debug)
 320                 printf("incorrect\n");
 321
 322         return (-1);
 323 }
 324
 325 /* rpcent_check_ambiguity() is needed when one port+rpc is associated with
 326  * more than one peice (these cases are usually marked as PROBLEM in
 327  * /etc/peices. This functions is needed also when one peice+rpc is
 328  * associated with several ports. We have to check all the rpcent structures
 329  * to make sure that rpc really exists and correct */
 330 static int
 331 rpcent_check_ambiguity(struct rpcent_test_data *td, struct rpcent *rpc)
 332 {
 333
 334         return (TEST_DATA_FIND(rpcent, td, rpc, compare_rpcent,
 335                 NULL) != NULL ? 0 : -1);
 336 }
 337
 338 static int
 339 rpcent_test_getrpcbyname(struct rpcent *rpc_model, void *mdata)
 340 {
 341         char **alias;
 342         struct rpcent *rpc;
 343
 344         if (debug) {
 345                 printf("testing getrpcbyname() with the following data:\n");
 346                 dump_rpcent(rpc_model);
 347         }
 348
 349         rpc = getrpcbyname(rpc_model->r_name);
 350         if (rpcent_test_correctness(rpc, NULL) != 0)
 351                 goto errfin;
 352
 353         if ((compare_rpcent(rpc, rpc_model, NULL) != 0) &&
 354             (rpcent_check_ambiguity((struct rpcent_test_data *)mdata, rpc)
 355             !=0))
 356             goto errfin;
 357
 358         for (alias = rpc_model->r_aliases; *alias; ++alias) {
 359                 rpc = getrpcbyname(*alias);
 360
 361                 if (rpcent_test_correctness(rpc, NULL) != 0)
 362                         goto errfin;
 363
 364                 if ((compare_rpcent(rpc, rpc_model, NULL) != 0) &&
 365                     (rpcent_check_ambiguity(
 366                     (struct rpcent_test_data *)mdata, rpc) != 0))
 367                     goto errfin;
 368         }
 369
 370         if (debug)
 371                 printf("ok\n");
 372         return (0);
 373
 374 errfin:
 375         if (debug)
 376                 printf("not ok\n");
 377
 378         return (-1);
 379 }
 380
 381 static int
 382 rpcent_test_getrpcbynumber(struct rpcent *rpc_model, void *mdata)
 383 {
 384         struct rpcent *rpc;
 385
 386         if (debug) {
 387                 printf("testing getrpcbyport() with the following data...\n");
 388                 dump_rpcent(rpc_model);
 389         }
 390
 391         rpc = getrpcbynumber(rpc_model->r_number);
 392         if ((rpcent_test_correctness(rpc, NULL) != 0) ||
 393             ((compare_rpcent(rpc, rpc_model, NULL) != 0) &&
 394             (rpcent_check_ambiguity((struct rpcent_test_data *)mdata, rpc)
 395             != 0))) {
 396             if (debug)
 397                 printf("not ok\n");
 398             return (-1);
 399         } else {
 400             if (debug)
 401                 printf("ok\n");
 402             return (0);
 403         }
 404 }
 405
 406 static int
 407 rpcent_test_getrpcent(struct rpcent *rpc, void *mdata)
 408 {
 409         /* Only correctness can be checked when doing 1-pass test for
 410          * getrpcent(). */
 411         return (rpcent_test_correctness(rpc, NULL));
 412 }
 413
 414 static void
 415 usage(void)
 416 {
 417         (void)fprintf(stderr,
 418             "Usage: %s -nve2 [-d] [-s <file>]\n",
 419             getprogname());
 420         exit(1);
 421 }
 422
 423 int
 424 main(int argc, char **argv)
 425 {
 426         struct rpcent_test_data td, td_snap, td_2pass;
 427         char *snapshot_file;
 428         int rv;
 429         int c;
 430
 431         if (argc < 2)
 432                 usage();
 433
 434         snapshot_file = NULL;
 435         while ((c = getopt(argc, argv, "nve2ds:")) != -1)
 436                 switch (c) {
 437                 case 'd':
 438                         debug++;
 439                         break;
 440                 case 'n':
 441                         method = TEST_GETRPCBYNAME;
 442                         break;
 443                 case 'v':
 444                         method = TEST_GETRPCBYNUMBER;
 445                         break;
 446                 case 'e':
 447                         method = TEST_GETRPCENT;
 448                         break;
 449                 case '2':
 450                         method = TEST_GETRPCENT_2PASS;
 451                         break;
 452                 case 's':
 453                         snapshot_file = strdup(optarg);
 454                         break;
 455                 default:
 456                         usage();
 457                 }
 458
 459         TEST_DATA_INIT(rpcent, &td, clone_rpcent, free_rpcent);
 460         TEST_DATA_INIT(rpcent, &td_snap, clone_rpcent, free_rpcent);
 461         if (snapshot_file != NULL) {
 462                 if (access(snapshot_file, W_OK | R_OK) != 0) {
 463                         if (errno == ENOENT)
 464                                 method = TEST_BUILD_SNAPSHOT;
 465                         else {
 466                                 if (debug)
 467                                         printf("can't access the file %s\n",
 468                                 snapshot_file);
 469
 470                                 rv = -1;
 471                                 goto fin;
 472                         }
 473                 } else {
 474                         if (method == TEST_BUILD_SNAPSHOT) {
 475                                 rv = 0;
 476                                 goto fin;
 477                         }
 478
 479                         TEST_SNAPSHOT_FILE_READ(rpcent, snapshot_file,
 480                                 &td_snap, rpcent_read_snapshot_func);
 481                 }
 482         }
 483
 484         rv = rpcent_fill_test_data(&td);
 485         if (rv == -1)
 486                 return (-1);
 487         switch (method) {
 488         case TEST_GETRPCBYNAME:
 489                 if (snapshot_file == NULL)
 490                         rv = DO_1PASS_TEST(rpcent, &td,
 491                                 rpcent_test_getrpcbyname, (void *)&td);
 492                 else
 493                         rv = DO_1PASS_TEST(rpcent, &td_snap,
 494                                 rpcent_test_getrpcbyname, (void *)&td_snap);
 495                 break;
 496         case TEST_GETRPCBYNUMBER:
 497                 if (snapshot_file == NULL)
 498                         rv = DO_1PASS_TEST(rpcent, &td,
 499                                 rpcent_test_getrpcbynumber, (void *)&td);
 500                 else
 501                         rv = DO_1PASS_TEST(rpcent, &td_snap,
 502                                 rpcent_test_getrpcbynumber, (void *)&td_snap);
 503                 break;
 504         case TEST_GETRPCENT:
 505                 if (snapshot_file == NULL)
 506                         rv = DO_1PASS_TEST(rpcent, &td, rpcent_test_getrpcent,
 507                                 (void *)&td);
 508                 else
 509                         rv = DO_2PASS_TEST(rpcent, &td, &td_snap,
 510                                 compare_rpcent, NULL);
 511                 break;
 512         case TEST_GETRPCENT_2PASS:
 513                         TEST_DATA_INIT(rpcent, &td_2pass, clone_rpcent, free_rpcent);
 514                         rv = rpcent_fill_test_data(&td_2pass);
 515                         if (rv != -1)
 516                                 rv = DO_2PASS_TEST(rpcent, &td, &td_2pass,
 517                                         compare_rpcent, NULL);
 518                         TEST_DATA_DESTROY(rpcent, &td_2pass);
 519                 break;
 520         case TEST_BUILD_SNAPSHOT:
 521                 if (snapshot_file != NULL)
 522                     rv = TEST_SNAPSHOT_FILE_WRITE(rpcent, snapshot_file, &td,
 523                         sdump_rpcent);
 524                 break;
 525         default:
 526                 rv = 0;
 527                 break;
 528         };
 529
 530 fin:
 531         TEST_DATA_DESTROY(rpcent, &td_snap);
 532         TEST_DATA_DESTROY(rpcent, &td);
 533         free(snapshot_file);
 534         return (rv);
 535 }