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      1 /*	$NetBSD: gss_utils.c,v 1.2 2017/01/28 21:31:46 christos 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 
     81