root/user/testbin/badcall/driver.c

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DEFINITIONS

This source file includes following definitions.
  1. finderror
  2. report_survival
  3. report_test
  4. report_test2
  5. open_testfile
  6. create_testfile
  7. create_testdir
  8. create_testlink
  9. menu
  10. runit
  11. main

   1 /*
   2  * Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
   3  *      The President and Fellows of Harvard College.
   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  * 3. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29 
  30 #include <sys/types.h>
  31 #include <sys/stat.h>
  32 #include <stdio.h>
  33 #include <stdlib.h>
  34 #include <string.h>
  35 #include <unistd.h>
  36 #include <errno.h>
  37 #include <err.h>
  38 
  39 #include "config.h"
  40 #include "test.h"
  41 
  42 ////////////////////////////////////////////////////////////
  43 
  44 static
  45 int
  46 finderror(int rv, int error)
  47 {
  48         if (rv==-1) {
  49                 return error;
  50         }
  51         else {
  52                 return 0;
  53         }
  54 }
  55 
  56 void
  57 report_survival(int rv, int error, const char *desc)
  58 {
  59         /* allow any error as long as we survive */
  60         errno = finderror(rv, error);
  61         warn("passed: %s", desc);
  62 }
  63 
  64 void
  65 report_test(int rv, int error, int right_error, const char *desc)
  66 {
  67         int goterror = finderror(rv, error);
  68 
  69         if (goterror == right_error) {
  70                 warnx("passed: %s", desc);
  71         }
  72         else if (goterror == EUNIMP || goterror == ENOSYS) {
  73                 warnx("------: %s (unimplemented)", desc);
  74         }
  75         else {
  76                 errno = goterror;
  77                 warn("FAILURE: %s", desc);
  78         }
  79 }
  80 
  81 void
  82 report_test2(int rv, int error, int okerr1, int okerr2, const char *desc)
  83 {
  84         int goterror = finderror(rv, error);
  85         if (goterror == okerr1 || goterror == okerr2) {
  86                 warnx("passed: %s", desc);
  87         }
  88         else if (goterror == EUNIMP || goterror == ENOSYS) {
  89                 warnx("------: %s (unimplemented)", desc);
  90         }
  91         else {
  92                 errno = goterror;
  93                 warn("FAILURE: %s", desc);
  94         }
  95 }
  96 
  97 ////////////////////////////////////////////////////////////
  98 
  99 int
 100 open_testfile(const char *string)
 101 {
 102         int fd, rv;
 103         size_t len;
 104 
 105         fd = open(TESTFILE, O_RDWR|O_CREAT|O_TRUNC);
 106         if (fd<0) {
 107                 warn("UH-OH: creating %s: failed", TESTFILE);
 108                 return -1;
 109         }
 110 
 111         if (string) {
 112                 len = strlen(string);
 113                 rv = write(fd, string, len);
 114                 if (rv<0) {
 115                         warn("UH-OH: write to %s failed", TESTFILE);
 116                         close(fd);
 117                         remove(TESTFILE);
 118                         return -1;
 119                 }
 120                 if ((unsigned)rv != len) {
 121                         warnx("UH-OH: write to %s got short count", TESTFILE);
 122                         close(fd);
 123                         remove(TESTFILE);
 124                         return -1;
 125                 }
 126                 rv = lseek(fd, 0, SEEK_SET);
 127                 if (rv<0) {
 128                         warn("UH-OH: rewind of %s failed", TESTFILE);
 129                         close(fd);
 130                         remove(TESTFILE);
 131                         return -1;
 132                 }
 133         }
 134         return fd;
 135 }
 136 
 137 int
 138 create_testfile(void)
 139 {
 140         int fd, rv;
 141 
 142         fd = open_testfile(NULL);
 143         if (fd<0) {
 144                 return -1;
 145         }
 146 
 147         rv = close(fd);
 148         if (rv<0) {
 149                 warn("UH-OH: closing %s failed", TESTFILE);
 150                 return -1;
 151         }
 152 
 153         return 0;
 154 }
 155 
 156 int
 157 create_testdir(void)
 158 {
 159         int rv;
 160         rv = mkdir(TESTDIR, 0775);
 161         if (rv<0) {
 162                 warn("UH-OH: mkdir %s failed", TESTDIR);
 163                 return -1;
 164         }
 165         return 0;
 166 }
 167 
 168 int
 169 create_testlink(void)
 170 {
 171         int rv;
 172         rv = symlink("blahblah", TESTLINK);
 173         if (rv<0) {
 174                 warn("UH-OH: making symlink %s failed", TESTLINK);
 175                 return -1;
 176         }
 177         return 0;
 178 }
 179 
 180 ////////////////////////////////////////////////////////////
 181 
 182 static
 183 struct {
 184         int ch;
 185         int asst;
 186         const char *name;
 187         void (*f)(void);
 188 } ops[] = {
 189         { 'a', 2, "execv",              test_execv },
 190         { 'b', 2, "waitpid",            test_waitpid },
 191         { 'c', 2, "open",               test_open },
 192         { 'd', 2, "read",               test_read },
 193         { 'e', 2, "write",              test_write },
 194         { 'f', 2, "close",              test_close },
 195         { 'g', 0, "reboot",             test_reboot },
 196         { 'h', 3, "sbrk",               test_sbrk },
 197         { 'i', 5, "ioctl",              test_ioctl },
 198         { 'j', 2, "lseek",              test_lseek },
 199         { 'k', 4, "fsync",              test_fsync },
 200         { 'l', 4, "ftruncate",          test_ftruncate },
 201         { 'm', 4, "fstat",              test_fstat },
 202         { 'n', 4, "remove",             test_remove },
 203         { 'o', 4, "rename",             test_rename },
 204         { 'p', 5, "link",               test_link },
 205         { 'q', 4, "mkdir",              test_mkdir },
 206         { 'r', 4, "rmdir",              test_rmdir },
 207         { 's', 2, "chdir",              test_chdir },
 208         { 't', 4, "getdirentry",        test_getdirentry },
 209         { 'u', 5, "symlink",            test_symlink },
 210         { 'v', 5, "readlink",           test_readlink },
 211         { 'w', 2, "dup2",               test_dup2 },
 212         { 'x', 5, "pipe",               test_pipe },
 213         { 'y', 5, "__time",             test_time },
 214         { 'z', 2, "__getcwd",           test_getcwd },
 215         { '{', 5, "stat",               test_stat },
 216         { '|', 5, "lstat",              test_lstat },
 217         { 0, 0, NULL, NULL }
 218 };
 219 
 220 #define LOWEST  'a'
 221 #define HIGHEST '|'
 222 
 223 static
 224 void
 225 menu(void)
 226 {
 227         int i;
 228         for (i=0; ops[i].name; i++) {
 229                 printf("[%c] %-24s", ops[i].ch, ops[i].name);
 230                 if (i%2==1) {
 231                         printf("\n");
 232                 }
 233         }
 234         if (i%2==1) {
 235                 printf("\n");
 236         }
 237         printf("[1] %-24s", "asst1");
 238         printf("[2] %-24s\n", "asst2");
 239         printf("[3] %-24s", "asst3");
 240         printf("[4] %-24s\n", "asst4");
 241         printf("[*] %-24s", "all");
 242         printf("[!] %-24s\n", "quit");
 243 }
 244 
 245 static
 246 void
 247 runit(int op)
 248 {
 249         int i, k;
 250 
 251         if (op=='!') {
 252                 exit(0);
 253         }
 254 
 255         if (op=='?') {
 256                 menu();
 257                 return;
 258         }
 259 
 260         if (op=='*') {
 261                 for (i=0; ops[i].name; i++) {
 262                         printf("[%s]\n", ops[i].name);
 263                         ops[i].f();
 264                 }
 265                 return;
 266         }
 267 
 268         if (op>='1' && op <= '4') {
 269                 k = op-'0';
 270                 for (i=0; ops[i].name; i++) {
 271                         if (ops[i].asst <= k) {
 272                                 printf("[%s]\n", ops[i].name);
 273                                 ops[i].f();
 274                         }
 275                 }
 276                 return;
 277         }
 278 
 279         if (op < LOWEST || op > HIGHEST) {
 280                 printf("Invalid request %c\n", op);
 281                 return;
 282         }
 283 
 284         ops[op-'a'].f();
 285 }
 286         
 287 int
 288 main(int argc, char **argv)
 289 {
 290         int op, i, j;
 291 
 292         printf("[%c-%c, 1-4, *, ?=menu, !=quit]\n", LOWEST, HIGHEST);
 293 
 294         if (argc > 1) {
 295                 for (i=1; i<argc; i++) {
 296                         for (j=0; argv[i][j]; j++) {
 297                                 printf("Choose: %c\n",
 298                                        argv[i][j]);
 299                                 runit(argv[i][j]);
 300                         }
 301                 }
 302         }
 303         else {
 304                 menu();
 305                 while (1) {
 306                         printf("Choose: ");
 307                         op = getchar();
 308                         if (op==EOF) {
 309                                 break;
 310                         }
 311                         printf("%c\n", op);
 312                         runit(op);
 313                 }
 314         }
 315 
 316         return 0;
 317 }

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