test/test19.c

   1 #include <sys/types.h>
   2 #include <sys/stat.h>
   3 #include <errno.h>
   4 #include <fcntl.h>
   5 #include <signal.h>
   6 #include <stdlib.h>
   7 #include <unistd.h>
   8 #include <stdio.h>
   9
  10 #define MAX_ERROR 4
  11 #define NB 30L
  12 #define NBOUNDS 6
  13
  14 int errct, subtest, passes, pipesigs;
  15 long t1;
  16
  17 char aa[100];
  18 char b[4] = {0, 1, 2, 3}, c[4] = {10, 20, 30, 40}, d[4] = {6, 7, 8, 9};
  19 long bounds[NBOUNDS] = {7, 9, 50, 519, 520, 40000L};
  20 char buff[30000];
  21
  22 _PROTOTYPE(int main, (int argc, char *argv[]));
  23 _PROTOTYPE(void test19a, (void));
  24 _PROTOTYPE(void test19b, (void));
  25 _PROTOTYPE(void test19c, (void));
  26 _PROTOTYPE(void test19d, (void));
  27 _PROTOTYPE(void test19e, (void));
  28 _PROTOTYPE(void test19f, (void));
  29 _PROTOTYPE(void test19g, (void));
  30 _PROTOTYPE(void clraa, (void));
  31 _PROTOTYPE(void pipecatcher, (int s));
  32 _PROTOTYPE(void e, (int n));
  33 _PROTOTYPE(void quit, (void));
  34
  35 int main(argc, argv)
  36 int argc;
  37 char *argv[];
  38 {
  39   int i, m;
  40
  41   m = (argc == 2 ? atoi(argv[1]) : 0xFFFF);
  42
  43   if (geteuid() == 0 || getuid() == 0) {
  44         execl("/usr/bin/su", "/usr/bin/su", "-", "ast", "-c", "/usr/src/test/test19", NULL);
  45         printf("Test 19 cannot run as root; test aborted\n");
  46         exit(1);
  47   }
  48
  49   system("rm -rf DIR_19; mkdir DIR_19");
  50   chdir("DIR_19");
  51
  52   printf("Test 19 ");
  53   fflush(stdout);
  54   for (i = 0; i < 4; i++) {
  55         if (m & 0001) test19a();
  56         if (m & 0002) test19b();
  57         if (m & 0004) test19c();
  58         if (m & 0010) test19d();
  59         if (m & 0020) test19e();
  60         if (m & 0040) test19f();
  61         if (m & 0100) test19g();
  62         passes++;
  63   }
  64   quit();
  65   return(-1);                   /* impossible */
  66 }
  67
  68 void test19a()
  69 {
  70 /* Test open with O_CREAT and O_EXCL. */
  71
  72   int fd;
  73
  74   subtest = 1;
  75
  76   if ( (fd = creat("T19.a1", 0777)) != 3) e(1); /* create test file */
  77   if (close(fd) != 0) e(2);
  78   if ( (fd = open("T19.a1", O_RDONLY)) != 3) e(3);
  79   if (close(fd) != 0) e(4);
  80   if ( (fd = open("T19.a1", O_WRONLY)) != 3) e(5);
  81   if (close(fd) != 0) e(6);
  82   if ( (fd = open("T19.a1", O_RDWR)) != 3) e(7);
  83   if (close(fd) != 0) e(8);
  84
  85   /* See if O_CREAT actually creates a file. */
  86   if ( (fd = open("T19.a2", O_RDONLY)) != -1) e(9);     /* must fail */
  87   if ( (fd = open("T19.a2", O_RDONLY | O_CREAT, 0444)) != 3) e(10);
  88   if (close(fd) != 0) e(11);
  89   if ( (fd = open("T19.a2", O_RDONLY)) != 3) e(12);
  90   if (close(fd) != 0) e(13);
  91   if ( (fd = open("T19.a2", O_WRONLY)) != -1) e(14);
  92   if ( (fd = open("T19.a2", O_RDWR)) != -1) e(15);
  93
  94   /* See what O_CREAT does on an existing file. */
  95   if ( (fd = open("T19.a2", O_RDONLY | O_CREAT, 0777)) != 3) e(16);
  96   if (close(fd) != 0) e(17);
  97   if ( (fd = open("T19.a2", O_RDONLY)) != 3) e(18);
  98   if (close(fd) != 0) e(19);
  99   if ( (fd = open("T19.a2", O_WRONLY)) != -1) e(20);
 100   if ( (fd = open("T19.a2", O_RDWR)) != -1) e(21);
 101
 102   /* See if O_EXCL works. */
 103   if ( (fd = open("T19.a2", O_RDONLY | O_EXCL)) != 3) e(22);
 104   if (close(fd) != 0) e(23);
 105   if ( (fd = open("T19.a2", O_WRONLY | O_EXCL)) != -1) e(24);
 106   if ( (fd = open("T19.a3", O_RDONLY | O_EXCL)) != -1) e(25);
 107   if ( (fd = open("T19.a3", O_RDONLY | O_CREAT | O_EXCL, 0444)) != 3) e(26);
 108   if (close(fd) != 0) e(27);
 109   errno = 0;
 110   if ( (fd = open("T19.a3", O_RDONLY | O_CREAT | O_EXCL, 0444)) != -1) e(28);
 111   if (errno != EEXIST) e(29);
 112
 113   if (unlink("T19.a1") != 0) e(30);
 114   if (unlink("T19.a2") != 0) e(31);
 115   if (unlink("T19.a3") != 0) e(32);
 116 }
 117
 118 void test19b()
 119 {
 120 /* Test open with O_APPEND and O_TRUNC. */
 121
 122   int fd;
 123
 124   subtest = 2;
 125
 126   if ( (fd = creat("T19.b1", 0777)) != 3) e(1); /* create test file */
 127   if (write(fd, b, 4) != 4) e(2);
 128   if (close(fd) != 0) e(3);
 129   clraa();
 130   if ( (fd = open("T19.b1", O_RDWR | O_APPEND)) != 3) e(4);
 131   if (read(fd, aa, 100) != 4) e(5);
 132   if (aa[0] != 0 || aa[1] != 1 || aa[2] != 2 || aa[3] != 3) e(6);
 133   if (close(fd) != 0) e(7);
 134   if ( (fd = open("T19.b1", O_RDWR | O_APPEND)) != 3) e(8);
 135   if (write(fd, b, 4) != 4) e(9);
 136   if (lseek(fd, 0L, SEEK_SET) != 0L) e(10);
 137   clraa();
 138   if (read(fd, aa, 100) != 8) e(11);
 139   if (aa[4] != 0 || aa[5] != 1 || aa[6] != 2 || aa[7] != 3) e(12);
 140   if (close(fd) != 0) e(13);
 141
 142   if ( (fd = open("T19.b1", O_RDWR | O_TRUNC)) != 3) e(14);
 143   if (read(fd, aa, 100) != 0) e(15);
 144   if (close(fd) != 0) e(16);
 145
 146   unlink("T19.b1");
 147 }
 148
 149 void test19c()
 150 {
 151 /* Test program for open(), close(), creat(), read(), write(), lseek(). */
 152
 153   int i, n, n1, n2;
 154
 155   subtest = 3;
 156   if ((n = creat("foop", 0777)) != 3) e(1);
 157   if ((n1 = creat("foop", 0777)) != 4) e(2);
 158   if ((n2 = creat("/", 0777)) != -1) e(3);
 159   if (close(n) != 0) e(4);
 160   if ((n = open("foop", O_RDONLY)) != 3) e(5);
 161   if ((n2 = open("nofile", O_RDONLY)) != -1) e(6);
 162   if (close(n1) != 0) e(7);
 163
 164   /* N is the only one open now. */
 165   for (i = 0; i < 2; i++) {
 166         n1 = creat("File2", 0777);
 167         if (n1 != 4) {
 168                 printf("creat yielded fd=%d, expected 4\n", n1);
 169                 e(8);
 170         }
 171         if ((n2 = open("File2", O_RDONLY)) != 5) e(9);
 172         if (close(n1) != 0) e(10);
 173         if (close(n2) != 0) e(11);
 174   }
 175   unlink("File2");
 176   if (close(n) != 0) e(12);
 177
 178   /* All files closed now. */
 179   for (i = 0; i < 2; i++) {
 180         if ((n = creat("foop", 0777)) != 3) e(13);
 181         if (close(n) != 0) e(14);
 182         if ((n = open("foop", O_RDWR)) != 3) e(15);
 183
 184         /* Read/write tests */
 185         if (write(n, b, 4) != 4) e(16);
 186         if (read(n, aa, 4) != 0) e(17);
 187         if (lseek(n, 0L, SEEK_SET) != 0L) e(18);
 188         if (read(n, aa, 4) != 4) e(19);
 189         if (aa[0] != 0 || aa[1] != 1 || aa[2] != 2 || aa[3] != 3) e(20);
 190         if (lseek(n, 0L, SEEK_SET) != 0L) e(21);
 191         if (lseek(n, 2L, SEEK_CUR) != 2L) e(22);
 192         if (read(n, aa, 4) != 2) e(23);
 193         if (aa[0] != 2 || aa[1] != 3 || aa[2] != 2 || aa[3] != 3) e(24);
 194         if (lseek(n, 2L, SEEK_SET) != 2L) e(25);
 195         clraa();
 196         if (write(n, c, 4) != 4) e(26);
 197         if (lseek(n, 0L, SEEK_SET) != 0L) e(27);
 198         if (read(n, aa, 10) != 6) e(28);
 199         if (aa[0] != 0 || aa[1] != 1 || aa[2] != 10 || aa[3] != 20) e(29);
 200         if (lseek(n, 16L, SEEK_SET) != 16L) e(30);
 201         if (lseek(n, 2040L, SEEK_END) != 2046L) e(31);
 202         if (read(n, aa, 10) != 0) e(32);
 203         if (lseek(n, 0L, SEEK_CUR) != 2046L) e(33);
 204         clraa();
 205         if (write(n, c, 4) != 4) e(34);
 206         if (lseek(n, 0L, SEEK_CUR) != 2050L) e(35);
 207         if (lseek(n, 2040L, SEEK_SET) != 2040L) e(36);
 208         clraa();
 209         if (read(n, aa, 20) != 10) e(37);
 210         if (aa[0] != 0 || aa[5] != 0 || aa[6] != 10 || aa[9] != 40) e(38);
 211         if (lseek(n, 10239L, SEEK_SET) != 10239L) e(39);
 212         if (write(n, d, 2) != 2) e(40);
 213         if (lseek(n, -2L, SEEK_END) != 10239L) e(41);
 214         if (read(n, aa, 2) != 2) e(42);
 215         if (aa[0] != 6 || aa[1] != 7) e(43);
 216         if (lseek(n, NB * 1024L - 2L, SEEK_SET) != NB * 1024L - 2L) e(44);
 217         if (write(n, b, 4) != 4) e(45);
 218         if (lseek(n, 0L, SEEK_SET) != 0L) e(46);
 219         if (lseek(n, -6L, SEEK_END) != 1024L * NB - 4) e(47);
 220         clraa();
 221         if (read(n, aa, 100) != 6) e(48);
 222         if (aa[0] != 0 || aa[1] != 0 || aa[3] != 1 || aa[4] != 2|| aa[5] != 3)
 223                 e(49);
 224         if (lseek(n, 20000L, SEEK_SET) != 20000L) e(50);
 225         if (write(n, c, 4) != 4) e(51);
 226         if (lseek(n, -4L, SEEK_CUR) != 20000L) e(52);
 227         if (read(n, aa, 4) != 4) e(53);
 228         if (aa[0] != 10 || aa[1] != 20 || aa[2] != 30 || aa[3] != 40) e(54);
 229         if (close(n) != 0) e(55);
 230         if ((n1 = creat("foop", 0777)) != 3) e(56);
 231         if (close(n1) != 0) e(57);
 232         unlink("foop");
 233
 234   }
 235 }
 236
 237 void test19d()
 238 {
 239 /* Test read. */
 240
 241   int i, fd, pd[2];
 242   char bb[100];
 243
 244   subtest = 4;
 245
 246   for (i = 0; i < 100; i++) bb[i] = i;
 247   if ( (fd = creat("T19.d1", 0777)) != 3) e(1); /* create test file */
 248   if (write(fd, bb, 100) != 100) e(2);
 249   if (close(fd) != 0) e(3);
 250   clraa();
 251   if ( (fd = open("T19.d1", O_RDONLY)) != 3) e(4);
 252   errno = 1000;
 253   if (read(fd, aa, 0) != 0) e(5);
 254   if (errno != 1000) e(6);
 255   if (read(fd, aa, 100) != 100) e(7);
 256   if (lseek(fd, 37L, SEEK_SET) != 37L) e(8);
 257   if (read(fd, aa, 10) != 10) e(9);
 258   if (lseek(fd, 0L, SEEK_CUR) != 47L) e(10);
 259   if (read(fd, aa, 100) != 53) e(11);
 260   if (aa[0] != 47) e(12);
 261   if (read(fd, aa, 1) != 0) e(13);
 262   if (close(fd) != 0) e(14);
 263
 264   /* Read from pipe with no writer open. */
 265   if (pipe(pd) != 0) e(15);
 266   if (close(pd[1]) != 0) e(16);
 267   errno = 2000;
 268   if (read(pd[0], aa, 1) != 0) e(17);   /* must return EOF */
 269   if (errno != 2000) e(18);
 270
 271   /* Read from a pipe with O_NONBLOCK set. */
 272   if (fcntl(pd[0], F_SETFL, O_NONBLOCK) != 0) e(19);      /* set O_NONBLOCK */
 273 /*
 274   if (read(pd[0], aa, 1) != -1) e(20);
 275   if (errno != EAGAIN) e(21);
 276 */
 277   if (close(pd[0]) != 0) e(19);
 278   if (unlink("T19.d1") != 0) e(20);
 279 }
 280
 281 void test19e()
 282 {
 283 /* Test link, unlink, stat, fstat, dup, umask.  */
 284
 285   int i, j, n, n1, flag;
 286   char a[255], b[255];
 287   struct stat s, s1;
 288
 289   subtest = 5;
 290   for (i = 0; i < 2; i++) {
 291         umask(0);
 292
 293         if ((n = creat("T3", 0702)) < 0) e(1);
 294         if (link("T3", "newT3") < 0) e(2);
 295         if ((n1 = open("newT3", O_RDWR)) < 0) e(3);
 296         for (j = 0; j < 255; j++) a[j] = j;
 297         if (write(n, a, 255) != 255) e(4);
 298         if (read(n1, b, 255) != 255) e(5);
 299         flag = 0;
 300         for (j = 0; j < 255; j++)
 301                 if (a[j] != b[j]) flag++;
 302         if (flag) e(6);
 303         if (unlink("T3") < 0) e(7);
 304         if (close(n) < 0) e(8);
 305         if (close(n1) < 0) e(9);
 306         if ((n1 = open("newT3", O_RDONLY)) < 0) e(10);
 307         if (read(n1, b, 255) != 255) e(11);
 308         flag = 0;
 309         for (j = 0; j < 255; j++)
 310                 if (a[j] != b[j]) flag++;
 311         if (flag) e(12);
 312
 313         /* Now check out stat, fstat. */
 314         if (stat("newT3", &s) < 0) e(13);
 315         if (s.st_mode != (mode_t) 0100702) e(14);
 316                                 /* The cast was because regular modes are
 317                                  * negative :-(.  Anyway, the magic number
 318                                  * should be (S_IFREG | S_IRWXU | S_IWOTH)
 319                                  * for POSIX.
 320                                  */
 321         if (s.st_nlink != 1) e(15);
 322         if (s.st_size != 255L) e(16);
 323         if (fstat(n1, &s1) < 0) e(17);
 324         if (s.st_dev != s1.st_dev) e(18);
 325         if (s.st_ino != s1.st_ino) e(19);
 326         if (s.st_mode != s1.st_mode) e(20);
 327         if (s.st_nlink != s1.st_nlink) e(21);
 328         if (s.st_uid != s1.st_uid) e(22);
 329         if (s.st_gid != s1.st_gid) e(23);
 330         if (s.st_rdev != s1.st_rdev) e(24);
 331         if (s.st_size != s1.st_size) e(25);
 332         if (s.st_atime != s1.st_atime) e(26);
 333         if (close(n1) < 0) e(27);
 334         if (unlink("newT3") < 0) e(28);
 335
 336         umask(040);
 337         if ((n = creat("T3a", 0777)) < 0) e(29);
 338         if (stat("T3a", &s) < 0) e(30);
 339         if (s.st_mode != (mode_t) 0100737) e(31);       /* negative :-( */
 340         if (unlink("T3a") < 0) e(32);
 341         if (close(n1) < 0) e(33);
 342
 343         /* Dup */
 344         if ((n = creat("T3b", 0777)) < 0) e(34);
 345         if (close(n) < 0) e(35);
 346         if ((n = open("T3b", O_RDWR)) < 0) e(36);
 347         if ((n1 = dup(n)) != n + 1) e(37);
 348         if (write(n, a, 255) != 255) e(38);
 349         read(n1, b, 20);
 350         if (lseek(n, 0L, SEEK_SET) != 0L) e(39);
 351         if ((j = read(n1, b, 512)) != 255) e(40);
 352         if (unlink("T3b") < 0) e(41);
 353         if (close(n) < 0) e(42);
 354         if (close(n1) < 0) e(43);
 355
 356   }
 357 }
 358
 359 void test19f()
 360 {
 361 /* Test large files to see if indirect block stuff works. */
 362
 363   int fd, i;
 364   long pos;
 365
 366   subtest = 6;
 367
 368   if (passes > 0) return;       /* takes too long to repeat this test */
 369   for (i = 0; i < NBOUNDS; i ++) {
 370         pos = 1024L * bounds[i];
 371         fd = creat("T19f", 0777);
 372         if (fd < 0) e(10*i+1);
 373         if (lseek(fd, pos, 0) < 0) e(10*i+2);
 374         if (write(fd, buff, 30720) != 30720) e(10*i+3);
 375         if (close(fd) < 0) e(10*i+3);
 376         if (unlink("T19f") < 0) e(10*i+4);
 377   }
 378 }
 379
 380 void test19g()
 381 {
 382 /* Test POSIX calls for pipe, read, write, lseek and close. */
 383
 384   int pipefd[2], n, i, fd;
 385   char buf[512], buf2[512];
 386
 387   subtest = 7;
 388
 389   for (i = 0; i < 512; i++) buf[i] = i % 128;
 390
 391   if (pipe(pipefd) < 0) e(1);
 392   if (write(pipefd[1], buf, 512) != 512) e(2);
 393   if (read(pipefd[0], buf2, 512) != 512) e(3);
 394   if (close(pipefd[1]) != 0) e(4);
 395   if (close(pipefd[1]) >= 0) e(5);
 396   if (read(pipefd[0], buf2, 1) != 0) e(6);
 397   if (close(pipefd[0]) != 0) e(7);
 398
 399   /* Test O_NONBLOCK on pipes. */
 400   if (pipe(pipefd) < 0) e(8);
 401   if (fcntl(pipefd[0], F_SETFL, O_NONBLOCK) != 0) e(9);
 402   if (read(pipefd[0], buf2, 1) != -1) e(10);
 403   if (errno != EAGAIN) e(11);
 404   if (close(pipefd[0]) != 0) e(12);
 405   if (close(pipefd[1]) != 0) e(13);
 406
 407   /* Test read and lseek. */
 408   if ( (fd = creat("T19.g1", 0777)) != 3) e(14);        /* create test file */
 409   if (write(fd, buf, 512) != 512) e(15);
 410   errno = 3000;
 411   if (read(fd, buf2, 512) != -1) e(16);
 412   if (errno != EBADF) e(17);
 413   if (close(fd) != 0) e(18);
 414   if ( (fd = open("T19.g1", O_RDWR)) != 3) e(19);
 415   if (read(fd, buf2, 512) != 512) e(20);
 416   if (read(fd, buf2, 512) != 0) e(21);
 417   if (lseek(fd, 100L, SEEK_SET) != 100L) e(22);
 418   if (read(fd, buf2, 512) != 412) e(23);
 419   if (lseek(fd, 1000L, SEEK_SET) != 1000L) e(24);
 420
 421   /* Test write. */
 422   if (lseek(fd, -1000L, SEEK_CUR) != 0) e(25);
 423   if (write(fd, buf, 512) != 512) e(26);
 424   if (lseek(fd, 2L, SEEK_SET) != 2) e(27);
 425   if (write(fd, buf, 3) != 3) e(28);
 426   if (lseek(fd, -2L, SEEK_CUR) != 3) e(29);
 427   if (write(fd, &buf[30], 1) != 1) e(30);
 428   if (lseek(fd, 2L, SEEK_CUR) != 6) e(31);
 429   if (write(fd, &buf[60], 1) != 1) e(32);
 430   if (lseek(fd, -512L, SEEK_END) != 0) e(33);
 431   if (read(fd, buf2, 8) != 8) e(34);
 432   errno = 4000;
 433   if (buf2[0] != 0 || buf2[1] != 1 || buf2[2] != 0 || buf2[3] != 30) e(35);
 434   if (buf2[4] != 2 || buf2[5] != 5 || buf2[6] != 60 || buf2[7] != 7) e(36);
 435
 436   /* Turn the O_APPEND flag on. */
 437   if (fcntl(fd, F_SETFL, O_APPEND) != 0) e(37);
 438   if (lseek(fd, 0L, SEEK_SET) != 0) e(38);
 439   if (write(fd, &buf[100], 1) != 1) e(39);
 440   if (lseek(fd, 0L, SEEK_SET) != 0) e(40);
 441   if (read(fd, buf2, 10) != 10) e(41);
 442   if (buf2[0] != 0) e(42);
 443   if (lseek(fd, -1L, SEEK_END) != 512) e(43);
 444   if (read(fd, buf2, 10) != 1) e(44);
 445   if (buf2[0] != 100) e(45);
 446   if (close(fd) != 0) e(46);
 447
 448   /* Now try write with O_NONBLOCK. */
 449   if (pipe(pipefd) != 0) e(47);
 450   if (fcntl(pipefd[1], F_SETFL, O_NONBLOCK) != 0) e(48);
 451   if (write(pipefd[1], buf, 512) != 512) e(49);
 452   if (write(pipefd[1], buf, 512) != 512) e(50);
 453   errno = 0;
 454   for (i = 1; i < 20; i++) {
 455         n = write(pipefd[1], buf, 512);
 456         if (n == 512) continue;
 457         if (n != -1 || errno != EAGAIN) {e(51); break;}
 458   }
 459   if (read(pipefd[0], buf, 512) != 512) e(52);
 460   if (close(pipefd[0]) != 0) e(53);
 461
 462   /* Write to a pipe with no reader.  This should generate a signal. */
 463   signal(SIGPIPE, pipecatcher);
 464   errno = 0;
 465   if (write(pipefd[1], buf, 1) != -1) e(54);
 466   if (errno != EPIPE) e(55);
 467   if (pipesigs != passes + 1) e(56);    /* we should have had the sig now */
 468   if (close(pipefd[1]) != 0) e(57);
 469   errno = 0;
 470   if (write(100, buf, 512) != -1) e(58);
 471   if (errno != EBADF) e(59);
 472   if (unlink("T19.g1") != 0) e(60);
 473 }
 474
 475 void clraa()
 476 {
 477   int i;
 478   for (i = 0; i < 100; i++) aa[i] = 0;
 479 }
 480
 481 void pipecatcher(s)
 482 int s;                          /* it is supposed to have an arg */
 483 {
 484   pipesigs++;
 485 }
 486
 487 void e(n)
 488 int n;
 489 {
 490   int err_num = errno;          /* save errno in case printf clobbers it */
 491
 492   printf("Subtest %d,  error %d  errno=%d  ", subtest, n, errno);
 493   fflush(stdout);               /* aargh!  Most results go to stdout and are
 494                                  * messed up by perror going to stderr.
 495                                  * Should replace perror by printf and strerror
 496                                  * in all the tests.
 497                                  */
 498   errno = err_num;              /* restore errno, just in case */
 499   perror("");
 500   if (errct++ > MAX_ERROR) {
 501         printf("Too many errors; test aborted\n");
 502         chdir("..");
 503         system("rm -rf DIR*");
 504         exit(1);
 505   }
 506 }
 507
 508 void quit()
 509 {
 510
 511   chdir("..");
 512   system("rm -rf DIR*");
 513
 514   if (errct == 0) {
 515         printf("ok\n");
 516         exit(0);
 517   } else {
 518         printf("%d errors\n", errct);
 519         exit(1);
 520   }
 521 }
 522