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

   1 /*      $NetBSD: gss_display_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_display_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_display_name(OM_uint32 *minor_status,
  35     const gss_name_t input_name,
  36     gss_buffer_t output_name_buffer,
  37     gss_OID *output_name_type)
  38 {
  39         OM_uint32 major_status;
  40         struct _gss_name *name = (struct _gss_name *) input_name;
  41         struct _gss_mechanism_name *mn;
  42
  43         _mg_buffer_zero(output_name_buffer);
  44         if (output_name_type)
  45             *output_name_type = GSS_C_NO_OID;
  46
  47         if (name == NULL) {
  48                 *minor_status = 0;
  49                 return (GSS_S_BAD_NAME);
  50         }
  51
  52         /*
  53          * If we know it, copy the buffer used to import the name in
  54          * the first place. Otherwise, ask all the MNs in turn if
  55          * they can display the thing.
  56          */
  57         if (name->gn_value.value) {
  58                 output_name_buffer->value = malloc(name->gn_value.length);
  59                 if (!output_name_buffer->value) {
  60                         *minor_status = ENOMEM;
  61                         return (GSS_S_FAILURE);
  62                 }
  63                 output_name_buffer->length = name->gn_value.length;
  64                 memcpy(output_name_buffer->value, name->gn_value.value,
  65                     output_name_buffer->length);
  66                 if (output_name_type)
  67                         *output_name_type = &name->gn_type;
  68
  69                 *minor_status = 0;
  70                 return (GSS_S_COMPLETE);
  71         } else {
  72                 HEIM_SLIST_FOREACH(mn, &name->gn_mn, gmn_link) {
  73                         major_status = mn->gmn_mech->gm_display_name(
  74                                 minor_status, mn->gmn_name,
  75                                 output_name_buffer,
  76                                 output_name_type);
  77                         if (major_status == GSS_S_COMPLETE)
  78                                 return (GSS_S_COMPLETE);
  79                 }
  80         }
  81
  82         *minor_status = 0;
  83         return (GSS_S_FAILURE);
  84 }