gss_duplicate_oid.c

/*
 * Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan
 * (Royal Institute of Technology, Stockholm, Sweden).
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the Institute nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include "mech_locl.h"

GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
gss_duplicate_oid (
        OM_uint32 *minor_status,
	gss_OID src_oid,
	gss_OID *dest_oid
     )
{
    *minor_status = 0;

    if (src_oid == GSS_C_NO_OID) {
	*dest_oid = GSS_C_NO_OID;
	return GSS_S_COMPLETE;
    }

    *dest_oid = malloc(sizeof(**dest_oid));
    if (*dest_oid == GSS_C_NO_OID) {
	*minor_status = ENOMEM;
	return GSS_S_FAILURE;
    }

    (*dest_oid)->elements = malloc(src_oid->length);
    if ((*dest_oid)->elements == NULL) {
	free(*dest_oid);
	*dest_oid = GSS_C_NO_OID;
	*minor_status = ENOMEM;
	return GSS_S_FAILURE;
    }
    memcpy((*dest_oid)->elements, src_oid->elements, src_oid->length);
    (*dest_oid)->length = src_oid->length;

    *minor_status = 0;
    return GSS_S_COMPLETE;
}