root/source4/heimdal/lib/gssapi/krb5/release_cred.c

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   1 /*
   2  * Copyright (c) 1997-2003 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33 
  34 #include "krb5/gsskrb5_locl.h"
  35 
  36 RCSID("$Id$");
  37 
  38 OM_uint32 _gsskrb5_release_cred
  39            (OM_uint32 * minor_status,
  40             gss_cred_id_t * cred_handle
  41            )
  42 {
  43     krb5_context context;
  44     gsskrb5_cred cred;
  45     OM_uint32 junk;
  46 
  47     *minor_status = 0;
  48 
  49     if (*cred_handle == NULL)
  50         return GSS_S_COMPLETE;
  51 
  52     cred = (gsskrb5_cred)*cred_handle;
  53     *cred_handle = GSS_C_NO_CREDENTIAL;
  54 
  55     GSSAPI_KRB5_INIT (&context);
  56 
  57     HEIMDAL_MUTEX_lock(&cred->cred_id_mutex);
  58 
  59     if (cred->principal != NULL)
  60         krb5_free_principal(context, cred->principal);
  61     if (cred->keytab != NULL)
  62         krb5_kt_close(context, cred->keytab);
  63     if (cred->ccache != NULL) {
  64         const krb5_cc_ops *ops;
  65         ops = krb5_cc_get_ops(context, cred->ccache);
  66         if (cred->cred_flags & GSS_CF_DESTROY_CRED_ON_RELEASE)
  67             krb5_cc_destroy(context, cred->ccache);
  68         else
  69             krb5_cc_close(context, cred->ccache);
  70     }
  71     gss_release_oid_set(&junk, &cred->mechanisms);
  72     if (cred->enctypes)
  73         free(cred->enctypes);
  74     HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
  75     HEIMDAL_MUTEX_destroy(&cred->cred_id_mutex);
  76     memset(cred, 0, sizeof(*cred));
  77     free(cred);
  78     return GSS_S_COMPLETE;
  79 }
  80 

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