lib/gssapi/mech/gss_export_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_export_name.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
  27  */
  28
  29 #include "mech_locl.h"
  30
  31 /**
  32  * Convert a GGS-API name from internal form to contiguous string.
  33  *
  34  * @sa gss_import_name(), @ref internalVSmechname.
  35  *
  36  * @param minor_status   minor status code
  37  * @param input_name     input name in internal name form
  38  * @param exported_name  output name in contiguos string form
  39  *
  40  * @returns a gss_error code, see gss_display_status() about printing
  41  *        the error code.
  42  *
  43  * @ingroup gssapi
  44  */
  45 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
  46 gss_export_name(OM_uint32 *minor_status,
  47     gss_const_name_t input_name,
  48     gss_buffer_t exported_name)
  49 {
  50         struct _gss_name *name = (struct _gss_name *) input_name;
  51         struct _gss_mechanism_name *mn;
  52
  53         _mg_buffer_zero(exported_name);
  54
  55         /*
  56          * If this name already has any attached MNs, export the first
  57          * one, otherwise export based on the first mechanism in our
  58          * list.
  59          */
  60         mn = HEIM_SLIST_FIRST(&name->gn_mn);
  61         if (!mn) {
  62                 *minor_status = 0;
  63                 return (GSS_S_NAME_NOT_MN);
  64         }
  65
  66         return mn->gmn_mech->gm_export_name(minor_status,
  67             mn->gmn_name, exported_name);
  68 }