source4/heimdal/lib/gssapi/mech/gss_display_name.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: src/lib/libgssapi/gss_display_name.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
  27  */
  28
  29 #include "mech_locl.h"
  30 RCSID("$Id$");
  31
  32 OM_uint32 GSSAPI_LIB_FUNCTION
  33 gss_display_name(OM_uint32 *minor_status,
  34     const gss_name_t input_name,
  35     gss_buffer_t output_name_buffer,
  36     gss_OID *output_name_type)
  37 {
  38         OM_uint32 major_status;
  39         struct _gss_name *name = (struct _gss_name *) input_name;
  40         struct _gss_mechanism_name *mn;
  41
  42         _mg_buffer_zero(output_name_buffer);
  43         if (output_name_type)
  44             *output_name_type = GSS_C_NO_OID;
  45
  46         if (name == NULL) {
  47                 *minor_status = 0;
  48                 return (GSS_S_BAD_NAME);
  49         }
  50
  51         /*
  52          * If we know it, copy the buffer used to import the name in
  53          * the first place. Otherwise, ask all the MNs in turn if
  54          * they can display the thing.
  55          */
  56         if (name->gn_value.value) {
  57                 output_name_buffer->value = malloc(name->gn_value.length);
  58                 if (!output_name_buffer->value) {
  59                         *minor_status = ENOMEM;
  60                         return (GSS_S_FAILURE);
  61                 }
  62                 output_name_buffer->length = name->gn_value.length;
  63                 memcpy(output_name_buffer->value, name->gn_value.value,
  64                     output_name_buffer->length);
  65                 if (output_name_type)
  66                         *output_name_type = &name->gn_type;
  67
  68                 *minor_status = 0;
  69                 return (GSS_S_COMPLETE);
  70         } else {
  71                 SLIST_FOREACH(mn, &name->gn_mn, gmn_link) {
  72                         major_status = mn->gmn_mech->gm_display_name(
  73                                 minor_status, mn->gmn_name,
  74                                 output_name_buffer,
  75                                 output_name_type);
  76                         if (major_status == GSS_S_COMPLETE)
  77                                 return (GSS_S_COMPLETE);
  78                 }
  79         }
  80
  81         *minor_status = 0;
  82         return (GSS_S_FAILURE);
  83 }