source4/heimdal/lib/gssapi/mech/gss_inquire_cred_by_mech.c

   1 /*-
   2  * Copyright (c) 2005 Doug Rabson
   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  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  *      $FreeBSD: src/lib/libgssapi/gss_inquire_cred_by_mech.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
  27  */
  28
  29 #include "mech_locl.h"
  30
  31 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
  32 gss_inquire_cred_by_mech(OM_uint32 *minor_status,
  33     const gss_cred_id_t cred_handle,
  34     const gss_OID mech_type,
  35     gss_name_t *cred_name,
  36     OM_uint32 *initiator_lifetime,
  37     OM_uint32 *acceptor_lifetime,
  38     gss_cred_usage_t *cred_usage)
  39 {
  40         OM_uint32 major_status;
  41         gssapi_mech_interface m;
  42         struct _gss_mechanism_cred *mcp;
  43         gss_cred_id_t mc;
  44         gss_name_t mn;
  45         struct _gss_name *name;
  46
  47         *minor_status = 0;
  48         if (cred_name)
  49             *cred_name = GSS_C_NO_NAME;
  50         if (initiator_lifetime)
  51             *initiator_lifetime = 0;
  52         if (acceptor_lifetime)
  53             *acceptor_lifetime = 0;
  54         if (cred_usage)
  55             *cred_usage = 0;
  56
  57         m = __gss_get_mechanism(mech_type);
  58         if (!m)
  59                 return (GSS_S_NO_CRED);
  60
  61         if (cred_handle != GSS_C_NO_CREDENTIAL) {
  62                 struct _gss_cred *cred = (struct _gss_cred *) cred_handle;
  63                 SLIST_FOREACH(mcp, &cred->gc_mc, gmc_link)
  64                         if (mcp->gmc_mech == m)
  65                                 break;
  66                 if (!mcp)
  67                         return (GSS_S_NO_CRED);
  68                 mc = mcp->gmc_cred;
  69         } else {
  70                 mc = GSS_C_NO_CREDENTIAL;
  71         }
  72
  73         major_status = m->gm_inquire_cred_by_mech(minor_status, mc, mech_type,
  74             &mn, initiator_lifetime, acceptor_lifetime, cred_usage);
  75         if (major_status != GSS_S_COMPLETE) {
  76                 _gss_mg_error(m, major_status, *minor_status);
  77                 return (major_status);
  78         }
  79
  80         if (cred_name) {
  81             name = _gss_make_name(m, mn);
  82             if (!name) {
  83                 m->gm_release_name(minor_status, &mn);
  84                 return (GSS_S_NO_CRED);
  85             }
  86             *cred_name = (gss_name_t) name;
  87         } else
  88             m->gm_release_name(minor_status, &mn);
  89
  90
  91         return (GSS_S_COMPLETE);
  92 }