mech_eap/inquire_cred_by_mech.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 /*
  34  * Return credential handle properties.
  35  */
  36
  37 #include "gssapiP_eap.h"
  38
  39 OM_uint32 GSSAPI_CALLCONV
  40 gss_inquire_cred_by_mech(OM_uint32 *minor,
  41 #ifdef HAVE_HEIMDAL_VERSION
  42                          gss_const_cred_id_t cred,
  43 #else
  44                          gss_cred_id_t cred,
  45 #endif
  46                          gss_OID mech_type,
  47                          gss_name_t *name,
  48                          OM_uint32 *pInitiatorLifetime,
  49                          OM_uint32 *pAcceptorLifetime,
  50                          gss_cred_usage_t *cred_usage)
  51 {
  52     OM_uint32 major, lifetime;
  53
  54     if (cred == NULL) {
  55         *minor = EINVAL;
  56         return GSS_S_NO_CRED;
  57     }
  58
  59     GSSEAP_MUTEX_LOCK(&((gss_cred_id_t)cred)->mutex);
  60
  61     if (!gssEapCredAvailable(cred, mech_type)) {
  62         major = GSS_S_BAD_MECH;
  63         *minor = GSSEAP_CRED_MECH_MISMATCH;
  64         goto cleanup;
  65     }
  66
  67     major = gssEapInquireCred(minor, (gss_cred_id_t)cred, name,
  68                               &lifetime, cred_usage, NULL);
  69     if (GSS_ERROR(major))
  70         goto cleanup;
  71
  72     if (pInitiatorLifetime != NULL)
  73         *pInitiatorLifetime = (cred->flags & CRED_FLAG_INITIATE) ? lifetime : 0;
  74     if (pAcceptorLifetime != NULL)
  75         *pAcceptorLifetime = (cred->flags & CRED_FLAG_ACCEPT) ? lifetime : 0;
  76
  77 cleanup:
  78     GSSEAP_MUTEX_UNLOCK(&((gss_cred_id_t)cred)->mutex);
  79
  80     return major;
  81 }