lib/gssapi/krb5/inquire_cred_by_mech.c

   1 /*
   2  * Copyright (c) 2003, 2006, 2007 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 "gsskrb5_locl.h"
  35
  36 OM_uint32 GSSAPI_CALLCONV _gsskrb5_inquire_cred_by_mech (
  37     OM_uint32 * minor_status,
  38         gss_const_cred_id_t cred_handle,
  39         const gss_OID mech_type,
  40         gss_name_t * name,
  41         OM_uint32 * initiator_lifetime,
  42         OM_uint32 * acceptor_lifetime,
  43         gss_cred_usage_t * cred_usage
  44     )
  45 {
  46     gss_cred_usage_t usage;
  47     OM_uint32 maj_stat;
  48     OM_uint32 lifetime;
  49
  50     /*
  51      * XXX This is busted.  _gsskrb5_inquire_cred() should be implemented in
  52      * terms of _gsskrb5_inquire_cred_by_mech(), NOT the other way around.
  53      */
  54     maj_stat =
  55         _gsskrb5_inquire_cred (minor_status, cred_handle,
  56                                name, &lifetime, &usage, NULL);
  57     if (maj_stat)
  58         return maj_stat;
  59
  60     if (initiator_lifetime) {
  61         if (usage == GSS_C_INITIATE || usage == GSS_C_BOTH)
  62             *initiator_lifetime = lifetime;
  63         else
  64             *initiator_lifetime = 0;
  65     }
  66
  67     if (acceptor_lifetime) {
  68         if (usage == GSS_C_ACCEPT || usage == GSS_C_BOTH)
  69             *acceptor_lifetime = lifetime;
  70         else
  71             *acceptor_lifetime = 0;
  72     }
  73
  74     if (cred_usage)
  75         *cred_usage = usage;
  76
  77     return GSS_S_COMPLETE;
  78 }