crypto/external/bsd/heimdal/dist/lib/gssapi/mech/gss_compare_name.c

   1 /*      $NetBSD: gss_compare_name.c,v 1.1.1.1 2011/04/13 18:14:46 elric Exp $   */
   2
   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: src/lib/libgssapi/gss_compare_name.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
  29  */
  30
  31 #include "mech_locl.h"
  32
  33 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
  34 gss_compare_name(OM_uint32 *minor_status,
  35     const gss_name_t name1_arg,
  36     const gss_name_t name2_arg,
  37     int *name_equal)
  38 {
  39         struct _gss_name *name1 = (struct _gss_name *) name1_arg;
  40         struct _gss_name *name2 = (struct _gss_name *) name2_arg;
  41
  42         /*
  43          * First check the implementation-independant name if both
  44          * names have one. Otherwise, try to find common mechanism
  45          * names and compare them.
  46          */
  47         if (name1->gn_value.value && name2->gn_value.value) {
  48                 *name_equal = 1;
  49                 if (!gss_oid_equal(&name1->gn_type, &name2->gn_type)) {
  50                         *name_equal = 0;
  51                 } else if (name1->gn_value.length != name2->gn_value.length ||
  52                     memcmp(name1->gn_value.value, name1->gn_value.value,
  53                         name1->gn_value.length)) {
  54                         *name_equal = 0;
  55                 }
  56         } else {
  57                 struct _gss_mechanism_name *mn1;
  58                 struct _gss_mechanism_name *mn2;
  59
  60                 HEIM_SLIST_FOREACH(mn1, &name1->gn_mn, gmn_link) {
  61                         OM_uint32 major_status;
  62
  63                         major_status = _gss_find_mn(minor_status, name2,
  64                                                     mn1->gmn_mech_oid, &mn2);
  65                         if (major_status == GSS_S_COMPLETE) {
  66                                 return (mn1->gmn_mech->gm_compare_name(
  67                                                 minor_status,
  68                                                 mn1->gmn_name,
  69                                                 mn2->gmn_name,
  70                                                 name_equal));
  71                         }
  72                 }
  73                 *name_equal = 0;
  74         }
  75
  76         *minor_status = 0;
  77         return (GSS_S_COMPLETE);
  78 }