lib/libgssapi/gss_inquire_cred_by_oid.c

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