lib/libgssapi/gss_inquire_cred_by_oid.c

   1 /*-
   2  * SPDX-License-Identifier: BSD-3-Clause
   3  *
   4  * Copyright (c) 2004, PADL Software Pty Ltd.
   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  *
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  *
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * 3. Neither the name of PADL Software nor the names of its contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  */
  34
  35 #include <gssapi/gssapi.h>
  36
  37 #include "mech_switch.h"
  38 #include "cred.h"
  39 #include "name.h"
  40
  41 /* RCSID("$Id: gss_inquire_cred_by_oid.c 19960 2007-01-17 15:09:24Z lha $"); */
  42
  43 OM_uint32
  44 gss_inquire_cred_by_oid (OM_uint32 *minor_status,
  45                          const gss_cred_id_t cred_handle,
  46                          const gss_OID desired_object,
  47                          gss_buffer_set_t *data_set)
  48 {
  49         struct _gss_cred *cred = (struct _gss_cred *) cred_handle;
  50         OM_uint32               status = GSS_S_COMPLETE;
  51         struct _gss_mechanism_cred *mc;
  52         struct _gss_mech_switch *m;
  53         gss_buffer_set_t set = GSS_C_NO_BUFFER_SET;
  54
  55         *minor_status = 0;
  56         *data_set = GSS_C_NO_BUFFER_SET;
  57
  58         if (cred == NULL)
  59                 return GSS_S_NO_CRED;
  60
  61         SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) {
  62                 gss_buffer_set_t rset = GSS_C_NO_BUFFER_SET;
  63                 size_t i;
  64
  65                 m = mc->gmc_mech;
  66                 if (m == NULL) {
  67                         gss_release_buffer_set(minor_status, &set);
  68                         *minor_status = 0;
  69                         return GSS_S_BAD_MECH;
  70                 }
  71
  72                 if (m->gm_inquire_cred_by_oid == NULL)
  73                         continue;
  74
  75                 status = m->gm_inquire_cred_by_oid(minor_status,
  76                     mc->gmc_cred, desired_object, &rset);
  77                 if (status != GSS_S_COMPLETE)
  78                         continue;
  79
  80                 for (i = 0; i < rset->count; i++) {
  81                         status = gss_add_buffer_set_member(minor_status,
  82                              &rset->elements[i], &set);
  83                         if (status != GSS_S_COMPLETE)
  84                                 break;
  85                 }
  86                 gss_release_buffer_set(minor_status, &rset);
  87         }
  88         if (set == GSS_C_NO_BUFFER_SET)
  89                 status = GSS_S_FAILURE;
  90         *data_set = set;
  91         *minor_status = 0;
  92         return status;
  93 }
  94