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 RCSID("$Id$");
  31
  32 OM_uint32 GSSAPI_LIB_FUNCTION
  33 gss_inquire_cred_by_mech(OM_uint32 *minor_status,
  34     const gss_cred_id_t cred_handle,
  35     const gss_OID mech_type,
  36     gss_name_t *cred_name,
  37     OM_uint32 *initiator_lifetime,
  38     OM_uint32 *acceptor_lifetime,
  39     gss_cred_usage_t *cred_usage)
  40 {
  41         OM_uint32 major_status;
  42         gssapi_mech_interface m;
  43         struct _gss_mechanism_cred *mcp;
  44         gss_cred_id_t mc;
  45         gss_name_t mn;
  46         struct _gss_name *name;
  47
  48         *minor_status = 0;
  49         if (cred_name)
  50             *cred_name = GSS_C_NO_NAME;
  51         if (initiator_lifetime)
  52             *initiator_lifetime = 0;
  53         if (acceptor_lifetime)
  54             *acceptor_lifetime = 0;
  55         if (cred_usage)
  56             *cred_usage = 0;
  57
  58         m = __gss_get_mechanism(mech_type);
  59         if (!m)
  60                 return (GSS_S_NO_CRED);
  61
  62         if (cred_handle != GSS_C_NO_CREDENTIAL) {
  63                 struct _gss_cred *cred = (struct _gss_cred *) cred_handle;
  64                 SLIST_FOREACH(mcp, &cred->gc_mc, gmc_link)
  65                         if (mcp->gmc_mech == m)
  66                                 break;
  67                 if (!mcp)
  68                         return (GSS_S_NO_CRED);
  69                 mc = mcp->gmc_cred;
  70         } else {
  71                 mc = GSS_C_NO_CREDENTIAL;
  72         }
  73
  74         major_status = m->gm_inquire_cred_by_mech(minor_status, mc, mech_type,
  75             &mn, initiator_lifetime, acceptor_lifetime, cred_usage);
  76         if (major_status != GSS_S_COMPLETE) {
  77                 _gss_mg_error(m, major_status, *minor_status);
  78                 return (major_status);
  79         }
  80
  81         if (cred_name) {
  82             name = _gss_make_name(m, mn);
  83             if (!name) {
  84                 m->gm_release_name(minor_status, &mn);
  85                 return (GSS_S_NO_CRED);
  86             }
  87             *cred_name = (gss_name_t) name;
  88         } else
  89             m->gm_release_name(minor_status, &mn);
  90
  91
  92         return (GSS_S_COMPLETE);
  93 }