1  /* Copyright (C) 2018 Björn Esser <besser82@fedoraproject.org>
       2   *
       3   * Redistribution and use in source and binary forms, with or without
       4   * modification, are permitted.
       5   *
       6   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
       7   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
       8   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
       9   * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
      10   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
      11   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
      12   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      13   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
      14   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
      15   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
      16   * SUCH DAMAGE.
      17   */
      18  
      19  #include "crypt-port.h"
      20  #include <stdio.h>
      21  
      22  #define PASSPHRASE "Ob-La-Di, Ob-La-Da"
      23  
      24  int
      25  main (void)
      26  {
      27    const char *pm = crypt_preferred_method();
      28    int retval = 0;
      29  
      30  #if defined HASH_ALGORITHM_DEFAULT
      31    if (pm == NULL)
      32      {
      33        printf ("FAIL: crypt_preferred_method returned NULL.\n");
      34        retval = 1;
      35      }
      36    else
      37      {
      38        printf ("PASS: crypt_preferred_method returned \"%s\".\n", pm);
      39  
      40        char gs[CRYPT_GENSALT_OUTPUT_SIZE];
      41        struct crypt_data cd;
      42  
      43        crypt_gensalt_rn (NULL, 0, NULL, 0, gs, sizeof (gs));
      44  
      45        if (strncmp (gs, pm, strlen (pm)))
      46          {
      47            printf ("FAIL: crypt_preferred_method: \"%s\" ", pm);
      48            printf ("differs from default prefix.\n");
      49            printf ("crypt_gensalt returned: \"%s\".\n", gs);
      50            retval = 1;
      51          }
      52        else
      53          {
      54            printf ("PASS: crypt_preferred_method: \"%s\" ", pm);
      55            printf ("is the same as default prefix used by ");
      56            printf ("crypt_gensalt.\n");
      57          }
      58  
      59        crypt_gensalt_rn (pm, 0, NULL, 0, gs, sizeof (gs));
      60  
      61        if (gs[0] == '*')
      62          {
      63            printf ("FAIL: crypt_preferred_method: \"%s\" ", pm);
      64            printf ("is not a valid prefix for crypt_gensalt.\n");
      65            printf ("crypt_gensalt returned: \"%s\".\n", gs);
      66            retval = 1;
      67          }
      68        else
      69          {
      70            printf ("PASS: crypt_preferred_method: \"%s\" ", pm);
      71            printf ("is a valid prefix for crypt_gensalt.\n");
      72          }
      73  
      74        if (strncmp (gs, pm, strlen (pm)))
      75          {
      76            printf ("FAIL: crypt_preferred_method: \"%s\" ", pm);
      77            printf ("does not generate a setting for ");
      78            printf ("the intended method.\n");
      79            printf ("crypt_gensalt returned: \"%s\".\n", gs);
      80            retval = 1;
      81          }
      82        else
      83          {
      84            printf ("PASS: crypt_preferred_method: \"%s\" ", pm);
      85            printf ("does generate a setting for ");
      86            printf ("the intended method.\n");
      87          }
      88  
      89        crypt_r (PASSPHRASE, gs, &cd);
      90  
      91        if (cd.output[0] == '*')
      92          {
      93            printf ("FAIL: crypt_preferred_method: \"%s\" ", pm);
      94            printf ("is not a valid prefix for crypt.\n");
      95            printf ("crypt returned: \"%s\".\n", gs);
      96            retval = 1;
      97          }
      98        else
      99          {
     100            printf ("PASS: crypt_preferred_method: \"%s\" ", pm);
     101            printf ("is a valid prefix for crypt.\n");
     102          }
     103  
     104        if (strncmp (cd.output, pm, strlen (pm)))
     105          {
     106            printf ("FAIL: crypt_preferred_method: \"%s\" ", pm);
     107            printf ("does not generate a hash with ");
     108            printf ("the intended method.\n");
     109            printf ("crypt returned: \"%s\".\n", gs);
     110            retval = 1;
     111          }
     112        else
     113          {
     114            printf ("PASS: crypt_preferred_method: \"%s\" ", pm);
     115            printf ("does generate a hash with ");
     116            printf ("the intended method.\n");
     117          }
     118      }
     119  #else
     120    if (pm != NULL)
     121      {
     122        printf ("FAIL: crypt_preferred_method returned: \"%s\" ", pm);
     123        printf ("instead of NULL.\n");
     124        retval = 1;
     125      }
     126    else
     127      {
     128        printf ("PASS: crypt_preferred_method returned NULL.");
     129      }
     130  #endif
     131  
     132    return retval;
     133  }