www.project-moonshot.org Git - mech_eap.orig/blob - inquire_cred.c

   1 /*
   2  * Copyright (c) 2010, 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
  36 gss_inquire_cred(OM_uint32 *minor,
  37                  gss_cred_id_t cred,
  38                  gss_name_t *name,
  39                  OM_uint32 *pLifetime,
  40                  gss_cred_usage_t *cred_usage,
  41                  gss_OID_set *mechanisms)
  42 {
  43     OM_uint32 major = GSS_S_COMPLETE;
  44
  45     if (cred == NULL)
  46         return GSS_S_NO_CRED;
  47
  48     GSSEAP_MUTEX_LOCK(&cred->mutex);
  49
  50     if (name != NULL) {
  51         major = gssEapDuplicateName(minor, cred->name, name);
  52         if (GSS_ERROR(major))
  53             goto cleanup;
  54     }
  55
  56     if (pLifetime != NULL) {
  57         time_t now, lifetime;
  58
  59         if (cred->expiryTime == 0) {
  60             lifetime = GSS_C_INDEFINITE;
  61         } else  {
  62             now = time(NULL);
  63             lifetime = now - cred->expiryTime;
  64             if (lifetime < 0)
  65                 lifetime = 0;
  66         }
  67
  68         *pLifetime = lifetime;
  69     }
  70
  71     if (cred_usage != NULL) {
  72         OM_uint32 flags = (cred->flags & (CRED_FLAG_INITIATE | CRED_FLAG_ACCEPT));
  73
  74         switch (flags) {
  75         case CRED_FLAG_INITIATE:
  76             *cred_usage = GSS_C_INITIATE;
  77             break;
  78         case CRED_FLAG_ACCEPT:
  79             *cred_usage = GSS_C_ACCEPT;
  80             break;
  81         default:
  82             *cred_usage = GSS_C_BOTH;
  83             break;
  84         }
  85     }
  86
  87     if (mechanisms != NULL) {
  88         if (cred->mechanisms != GSS_C_NO_OID_SET)
  89             major = duplicateOidSet(minor, cred->mechanisms, mechanisms);
  90         else
  91             major = gssEapIndicateMechs(minor, mechanisms);
  92         if (GSS_ERROR(major))
  93             goto cleanup;
  94     }
  95
  96 cleanup:
  97     GSSEAP_MUTEX_UNLOCK(&cred->mutex);
  98
  99     return major;
 100 }