moonshot/mech_eap/inquire_cred_by_oid.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 extended credential handle properties.
  35  */
  36
  37 #include "gssapiP_eap.h"
  38
  39 static struct {
  40     gss_OID_desc oid;
  41     OM_uint32 (*inquire)(OM_uint32 *, const gss_cred_id_t,
  42                          const gss_OID, gss_buffer_set_t *);
  43 } inquireCredOps[] = {
  44 };
  45
  46 OM_uint32
  47 gss_inquire_cred_by_oid(OM_uint32 *minor,
  48                         const gss_cred_id_t cred_handle,
  49                         const gss_OID desired_object,
  50                         gss_buffer_set_t *data_set)
  51 {
  52     OM_uint32 major;
  53     int i;
  54
  55     *data_set = GSS_C_NO_BUFFER_SET;
  56
  57     if (cred_handle == 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_handle->mutex);
  63
  64     major = GSS_S_UNAVAILABLE;
  65     *minor = GSSEAP_BAD_CRED_OPTION;
  66
  67     for (i = 0; i < sizeof(inquireCredOps) / sizeof(inquireCredOps[0]); i++) {
  68         if (oidEqual(&inquireCredOps[i].oid, desired_object)) {
  69             major = (*inquireCredOps[i].inquire)(minor, cred_handle,
  70                                                  desired_object, data_set);
  71             break;
  72         }
  73     }
  74
  75     GSSEAP_MUTEX_UNLOCK(&cred_handle->mutex);
  76
  77     return major;
  78 }