lib/libgssapi/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  *      $FreeBSD$
  27  */
  28
  29 #include <gssapi/gssapi.h>
  30
  31 #include "mech_switch.h"
  32 #include "cred.h"
  33 #include "name.h"
  34
  35 OM_uint32
  36 gss_inquire_cred_by_mech(OM_uint32 *minor_status,
  37     const gss_cred_id_t cred_handle,
  38     const gss_OID mech_type,
  39     gss_name_t *cred_name,
  40     OM_uint32 *initiator_lifetime,
  41     OM_uint32 *acceptor_lifetime,
  42     gss_cred_usage_t *cred_usage)
  43 {
  44         OM_uint32 major_status;
  45         struct _gss_mech_switch *m;
  46         struct _gss_mechanism_cred *mcp;
  47         gss_cred_id_t mc;
  48         gss_name_t mn;
  49         struct _gss_name *name;
  50
  51         *minor_status = 0;
  52         if (cred_name)
  53                 *cred_name = GSS_C_NO_NAME;
  54         if (initiator_lifetime)
  55                 *initiator_lifetime = 0;
  56         if (acceptor_lifetime)
  57                 *acceptor_lifetime = 0;
  58         if (cred_usage)
  59                 *cred_usage = 0;
  60
  61         m = _gss_find_mech_switch(mech_type);
  62         if (!m)
  63                 return (GSS_S_NO_CRED);
  64
  65         if (cred_handle != GSS_C_NO_CREDENTIAL) {
  66                 struct _gss_cred *cred = (struct _gss_cred *) cred_handle;
  67                 SLIST_FOREACH(mcp, &cred->gc_mc, gmc_link)
  68                         if (mcp->gmc_mech == m)
  69                                 break;
  70                 if (!mcp)
  71                         return (GSS_S_NO_CRED);
  72                 mc = mcp->gmc_cred;
  73         } else {
  74                 mc = GSS_C_NO_CREDENTIAL;
  75         }
  76
  77         major_status = m->gm_inquire_cred_by_mech(minor_status, mc, mech_type,
  78             &mn, initiator_lifetime, acceptor_lifetime, cred_usage);
  79         if (major_status != GSS_S_COMPLETE) {
  80                 _gss_mg_error(m, major_status, *minor_status);
  81                 return (major_status);
  82         }
  83
  84         if (cred_name) {
  85                 name = _gss_make_name(m, mn);
  86                 if (!name) {
  87                         m->gm_release_name(minor_status, &mn);
  88                         return (GSS_S_NO_CRED);
  89                 }
  90                 *cred_name = (gss_name_t) name;
  91         } else {
  92                 m->gm_release_name(minor_status, &mn);
  93         }
  94
  95         return (GSS_S_COMPLETE);
  96 }