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