crypto/external/bsd/heimdal/dist/lib/gssapi/mech/gss_destroy_cred.c

   1 /*      $NetBSD: gss_destroy_cred.c,v 1.1.1.2 2014/04/24 12:45:29 pettai Exp $  */
   2
   3 /*-
   4  * Copyright (c) 2005 Doug Rabson
   5  * All rights reserved.
   6  *
   7  * Portions Copyright (c) 2009 Apple Inc. All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  28  * SUCH DAMAGE.
  29  */
  30
  31 #include "mech_locl.h"
  32 #include <heim_threads.h>
  33
  34 OM_uint32 GSSAPI_LIB_FUNCTION
  35 gss_destroy_cred(void *status,
  36                  gss_cred_id_t *cred_handle)
  37 {
  38     struct _gss_cred *cred;
  39     struct _gss_mechanism_cred *mc;
  40     OM_uint32 junk;
  41
  42     if (cred_handle == NULL)
  43         return GSS_S_CALL_INACCESSIBLE_READ;
  44     if (*cred_handle == GSS_C_NO_CREDENTIAL)
  45         return GSS_S_COMPLETE;
  46
  47     cred = (struct _gss_cred *)*cred_handle;
  48
  49     while (HEIM_SLIST_FIRST(&cred->gc_mc)) {
  50         mc = HEIM_SLIST_FIRST(&cred->gc_mc);
  51         HEIM_SLIST_REMOVE_HEAD(&cred->gc_mc, gmc_link);
  52         if (mc->gmc_mech->gm_destroy_cred)
  53             mc->gmc_mech->gm_destroy_cred(&junk, &mc->gmc_cred);
  54         else
  55             mc->gmc_mech->gm_release_cred(&junk, &mc->gmc_cred);
  56         free(mc);
  57     }
  58     free(cred);
  59
  60     return GSS_S_COMPLETE;
  61 }