1 /*
   2  * This file and its contents are supplied under the terms of the
   3  * Common Development and Distribution License ("CDDL"), version 1.0.
   4  * You may only use this file in accordance with the terms of version
   5  * 1.0 of the CDDL.
   6  *
   7  * A full copy of the text of the CDDL should have accompanied this
   8  * source.  A copy of the CDDL is also available via the Internet at
   9  * http://www.illumos.org/license/CDDL.
  10  */
  11 
  12 /*
  13  * Copyright (c) 2017, Joyent, Inc.
  14  */
  15 
  16 /*
  17  * Test various error cases all of which should return EFAULT.
  18  */
  19 
  20 #include <stdio.h>
  21 #include <errno.h>
  22 #include <strings.h>
  23 #include <err.h>
  24 #include <libsff.h>
  25 #include <unistd.h>
  26 #include <sys/mman.h>
  27 
  28 int
  29 main(void)
  30 {
  31         void *addr;
  32         nvlist_t *nvl;
  33         size_t len = getpagesize();
  34         int ret;
  35 
  36         /*
  37          * Get an unreadable page
  38          */
  39         if ((addr = mmap(NULL, len, PROT_READ, MAP_PRIVATE | MAP_ANON, -1,
  40             0)) == MAP_FAILED) {
  41                 err(1, "TEST FAILED: failed to mmap private page");
  42         }
  43 
  44         if (mprotect(addr, len, PROT_NONE) != 0) {
  45                 err(1, "TEST FAILED: failed to protect private page");
  46         }
  47 
  48         if ((ret = libsff_parse(addr, 128, 0xa0, &nvl)) != EFAULT) {
  49                 errx(1, "TEST FAILED: failed to return EFAULT on bad "
  50                     "data buffer (%s instead)\n", strerror(ret));
  51         }
  52 
  53         return (0);
  54 }