mech_eap/store_cred.c

   1 /*
   2  * Copyright (c) 2011, JANET(UK)
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  *
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * 3. Neither the name of JANET(UK) nor the names of its contributors
  17  *    may be used to endorse or promote products derived from this software
  18  *    without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  21  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  */
  32
  33 #include "gssapiP_eap.h"
  34
  35 OM_uint32 GSSAPI_CALLCONV
  36 gss_store_cred(OM_uint32 *minor,
  37                const gss_cred_id_t cred,
  38                gss_cred_usage_t input_usage,
  39                const gss_OID desired_mech GSSEAP_UNUSED,
  40 #ifdef GSSEAP_ENABLE_REAUTH
  41                OM_uint32 overwrite_cred,
  42                OM_uint32 default_cred,
  43 #else
  44                OM_uint32 overwrite_cred GSSEAP_UNUSED,
  45                OM_uint32 default_cred GSSEAP_UNUSED,
  46 #endif
  47                gss_OID_set *elements_stored,
  48                gss_cred_usage_t *cred_usage_stored)
  49 {
  50     OM_uint32 major;
  51
  52     if (elements_stored != NULL)
  53         *elements_stored = GSS_C_NO_OID_SET;
  54     if (cred_usage_stored != NULL)
  55         *cred_usage_stored = input_usage;
  56
  57     if (cred == GSS_C_NO_CREDENTIAL) {
  58         *minor = EINVAL;
  59         return GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CRED;
  60     }
  61
  62     GSSEAP_MUTEX_LOCK(&cred->mutex);
  63
  64     major = GSS_S_COMPLETE;
  65     *minor = 0;
  66
  67 #ifdef GSSEAP_ENABLE_REAUTH
  68     if (cred->reauthCred != GSS_C_NO_CREDENTIAL) {
  69         major = gssStoreCred(minor,
  70                              cred->reauthCred,
  71                              input_usage,
  72                              (gss_OID)gss_mech_krb5,
  73                              overwrite_cred,
  74                              default_cred,
  75                              elements_stored,
  76                              cred_usage_stored);
  77     }
  78 #endif
  79
  80     GSSEAP_MUTEX_UNLOCK(&cred->mutex);
  81
  82     return major;
  83 }