1  /*
       2   * Redistribution and use in source and binary forms, with or without
       3   * modification, are permitted provided that the following conditions
       4   * are met:
       5   * 1. Redistributions of source code must retain the above copyright
       6   *    notice, and the entire permission notice in its entirety,
       7   *    including the disclaimer of warranties.
       8   * 2. Redistributions in binary form must reproduce the above copyright
       9   *    notice, this list of conditions and the following disclaimer in the
      10   *    documentation and/or other materials provided with the distribution.
      11   * 3. The name of the author may not be used to endorse or promote
      12   *    products derived from this software without specific prior
      13   *    written permission.
      14   *
      15   * ALTERNATIVELY, this product may be distributed under the terms of
      16   * the GNU Public License, in which case the provisions of the GPL are
      17   * required INSTEAD OF the above restrictions.  (This clause is
      18   * necessary due to a potential bad interaction between the GPL and
      19   * the restrictions contained in a BSD-style copyright.)
      20   *
      21   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
      22   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
      23   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
      24   * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
      25   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
      26   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
      27   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      28   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
      29   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
      30   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
      31   * OF THE POSSIBILITY OF SUCH DAMAGE.
      32   */
      33  
      34  #ifdef HAVE_CONFIG_H
      35  #include <config.h>
      36  #endif
      37  
      38  #include <stdio.h>
      39  #include <string.h>
      40  #include <security/pam_appl.h>
      41  #include <security/pam_misc.h>
      42  
      43  static struct pam_conv conv = {
      44      misc_conv,
      45      NULL
      46  };
      47  
      48  
      49  /* jump after the end of the stack and make sure we don't seg.fault. */
      50  
      51  int
      52  main(int argc, char *argv[])
      53  {
      54    pam_handle_t *pamh=NULL;
      55    const char *user="nobody";
      56    int retval;
      57    int debug = 0;
      58  
      59    if (argc > 1 && strcmp (argv[1], "-d") == 0)
      60      debug = 1;
      61  
      62    retval = pam_start("tst-pam_dispatch5", user, &conv, &pamh);
      63    if (retval != PAM_SUCCESS)
      64      {
      65        if (debug)
      66  	fprintf (stderr, "pam_dispatch5: pam_start returned %d\n", retval);
      67        return 1;
      68      }
      69  
      70    retval = pam_authenticate (pamh, 0);
      71    if (retval != PAM_PERM_DENIED)
      72      {
      73        if (debug)
      74  	fprintf (stderr, "pam_dispatch5: pam_authenticate returned %d\n", retval);
      75        return 1;
      76      }
      77  
      78    retval = pam_end (pamh,retval);
      79    if (retval != PAM_SUCCESS)
      80      {
      81        if (debug)
      82  	fprintf (stderr, "pam_dispatch5: pam_end returned %d\n", retval);
      83        return 1;
      84      }
      85    return 0;
      86  }