lib/libgssapi/gss_inquire_cred_by_mech.c

   1 /*-
   2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
   3  *
   4  * Copyright (c) 2005 Doug Rabson
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  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  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  *
  28  *      $FreeBSD$
  29  */
  30
  31 #include <gssapi/gssapi.h>
  32
  33 #include "mech_switch.h"
  34 #include "cred.h"
  35 #include "name.h"
  36
  37 OM_uint32
  38 gss_inquire_cred_by_mech(OM_uint32 *minor_status,
  39     const gss_cred_id_t cred_handle,
  40     const gss_OID mech_type,
  41     gss_name_t *cred_name,
  42     OM_uint32 *initiator_lifetime,
  43     OM_uint32 *acceptor_lifetime,
  44     gss_cred_usage_t *cred_usage)
  45 {
  46         OM_uint32 major_status;
  47         struct _gss_mech_switch *m;
  48         struct _gss_mechanism_cred *mcp;
  49         gss_cred_id_t mc;
  50         gss_name_t mn;
  51         struct _gss_name *name;
  52
  53         *minor_status = 0;
  54         if (cred_name)
  55                 *cred_name = GSS_C_NO_NAME;
  56         if (initiator_lifetime)
  57                 *initiator_lifetime = 0;
  58         if (acceptor_lifetime)
  59                 *acceptor_lifetime = 0;
  60         if (cred_usage)
  61                 *cred_usage = 0;
  62
  63         m = _gss_find_mech_switch(mech_type);
  64         if (!m)
  65                 return (GSS_S_NO_CRED);
  66
  67         if (cred_handle != GSS_C_NO_CREDENTIAL) {
  68                 struct _gss_cred *cred = (struct _gss_cred *) cred_handle;
  69                 SLIST_FOREACH(mcp, &cred->gc_mc, gmc_link)
  70                         if (mcp->gmc_mech == m)
  71                                 break;
  72                 if (!mcp)
  73                         return (GSS_S_NO_CRED);
  74                 mc = mcp->gmc_cred;
  75         } else {
  76                 mc = GSS_C_NO_CREDENTIAL;
  77         }
  78
  79         major_status = m->gm_inquire_cred_by_mech(minor_status, mc, mech_type,
  80             &mn, initiator_lifetime, acceptor_lifetime, cred_usage);
  81         if (major_status != GSS_S_COMPLETE) {
  82                 _gss_mg_error(m, major_status, *minor_status);
  83                 return (major_status);
  84         }
  85
  86         if (cred_name) {
  87                 name = _gss_make_name(m, mn);
  88                 if (!name) {
  89                         m->gm_release_name(minor_status, &mn);
  90                         return (GSS_S_NO_CRED);
  91                 }
  92                 *cred_name = (gss_name_t) name;
  93         } else {
  94                 m->gm_release_name(minor_status, &mn);
  95         }
  96
  97         return (GSS_S_COMPLETE);
  98 }