crypto/heimdal-0.6.3/lib/gssapi/inquire_cred.c

   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 "gssapi_locl.h"
  35
  36 RCSID("$Id: inquire_cred.c,v 1.4 2003/03/16 17:42:14 lha Exp $");
  37
  38 OM_uint32 gss_inquire_cred
  39            (OM_uint32 * minor_status,
  40             const gss_cred_id_t cred_handle,
  41             gss_name_t * name,
  42             OM_uint32 * lifetime,
  43             gss_cred_usage_t * cred_usage,
  44             gss_OID_set * mechanisms
  45            )
  46 {
  47     OM_uint32 ret;
  48
  49     *minor_status = 0;
  50
  51     if (name)
  52         *name = NULL;
  53     if (mechanisms)
  54         *mechanisms = GSS_C_NO_OID_SET;
  55
  56     if (cred_handle == GSS_C_NO_CREDENTIAL) {
  57         return GSS_S_FAILURE;
  58     }
  59
  60     if (name != NULL) {
  61         if (cred_handle->principal != NULL) {
  62             ret = gss_duplicate_name(minor_status, cred_handle->principal,
  63                 name);
  64             if (ret)
  65                 return ret;
  66         } else if (cred_handle->usage == GSS_C_ACCEPT) {
  67             *minor_status = krb5_sname_to_principal(gssapi_krb5_context, NULL,
  68                 NULL, KRB5_NT_SRV_HST, name);
  69             if (*minor_status)
  70                 return GSS_S_FAILURE;
  71         } else {
  72             *minor_status = krb5_get_default_principal(gssapi_krb5_context,
  73                 name);
  74             if (*minor_status)
  75                 return GSS_S_FAILURE;
  76         }
  77     }
  78     if (lifetime != NULL) {
  79         *lifetime = cred_handle->lifetime;
  80     }
  81     if (cred_usage != NULL) {
  82         *cred_usage = cred_handle->usage;
  83     }
  84     if (mechanisms != NULL) {
  85         ret = gss_create_empty_oid_set(minor_status, mechanisms);
  86         if (ret) {
  87             return ret;
  88         }
  89         ret = gss_add_oid_set_member(minor_status,
  90                                      &cred_handle->mechanisms->elements[0],
  91                                      mechanisms);
  92         if (ret) {
  93             return ret;
  94         }
  95     }
  96     return GSS_S_COMPLETE;
  97 }