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

   1 /*      $NetBSD: gss_utils.c,v 1.1.1.1 2011/04/13 18:14:47 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_utils.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
  29  */
  30
  31 #include "mech_locl.h"
  32
  33 OM_uint32
  34 _gss_copy_oid(OM_uint32 *minor_status,
  35     const gss_OID from_oid, gss_OID to_oid)
  36 {
  37         size_t len = from_oid->length;
  38
  39         *minor_status = 0;
  40         to_oid->elements = malloc(len);
  41         if (!to_oid->elements) {
  42                 to_oid->length = 0;
  43                 *minor_status = ENOMEM;
  44                 return GSS_S_FAILURE;
  45         }
  46         to_oid->length = len;
  47         memcpy(to_oid->elements, from_oid->elements, len);
  48         return (GSS_S_COMPLETE);
  49 }
  50
  51 OM_uint32
  52 _gss_free_oid(OM_uint32 *minor_status, gss_OID oid)
  53 {
  54         *minor_status = 0;
  55         if (oid->elements) {
  56             free(oid->elements);
  57             oid->elements = NULL;
  58             oid->length = 0;
  59         }
  60         return (GSS_S_COMPLETE);
  61 }
  62
  63 OM_uint32
  64 _gss_copy_buffer(OM_uint32 *minor_status,
  65     const gss_buffer_t from_buf, gss_buffer_t to_buf)
  66 {
  67         size_t len = from_buf->length;
  68
  69         *minor_status = 0;
  70         to_buf->value = malloc(len);
  71         if (!to_buf->value) {
  72                 *minor_status = ENOMEM;
  73                 to_buf->length = 0;
  74                 return GSS_S_FAILURE;
  75         }
  76         to_buf->length = len;
  77         memcpy(to_buf->value, from_buf->value, len);
  78         return (GSS_S_COMPLETE);
  79 }
  80