freebsd-dev/lib/libgssapi/gss_add_oid_set_member.c

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/*-
* Copyright (c) 2005 Doug Rabson
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#include <gssapi/gssapi.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
OM_uint32
gss_add_oid_set_member(OM_uint32 *minor_status,
const gss_OID member_oid,
gss_OID_set *oid_set)
{
OM_uint32 major_status;
gss_OID_set set = *oid_set;
gss_OID new_elements;
gss_OID new_oid;
int t;
*minor_status = 0;
major_status = gss_test_oid_set_member(minor_status,
member_oid, *oid_set, &t);
if (major_status)
return (major_status);
if (t)
return (GSS_S_COMPLETE);
new_elements = malloc((set->count + 1) * sizeof(gss_OID_desc));
if (!new_elements) {
*minor_status = ENOMEM;
return (GSS_S_FAILURE);
}
new_oid = &new_elements[set->count];
new_oid->elements = malloc(member_oid->length);
if (!new_oid->elements) {
free(new_elements);
return (GSS_S_FAILURE);
}
new_oid->length = member_oid->length;
memcpy(new_oid->elements, member_oid->elements, member_oid->length);
if (set->elements) {
memcpy(new_elements, set->elements,
set->count * sizeof(gss_OID_desc));
free(set->elements);
}
set->elements = new_elements;
set->count++;
return (GSS_S_COMPLETE);
}