freebsd-src/lib/libgssapi/gss_utils.c
Doug Rabson 8f55a568f6 Add an implementation of the RPCSEC_GSS authentication protocol for RPC. This
is based on an old implementation from the University of Michigan with lots of
changes and fixes by me and the addition of a Solaris-compatible API.

Sponsored by:	Isilon Systems
Reviewed by:	alfred
2008-08-06 14:02:05 +00:00

100 lines
2.7 KiB
C

/*-
* 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>
#include "utils.h"
int
gss_oid_equal(const gss_OID oid1, const gss_OID oid2)
{
if (oid1 == oid2)
return (1);
if (!oid1 || !oid2)
return (0);
if (oid1->length != oid2->length)
return (0);
if (memcmp(oid1->elements, oid2->elements, oid1->length))
return (0);
return (1);
}
OM_uint32
_gss_copy_oid(OM_uint32 *minor_status,
const gss_OID from_oid, gss_OID to_oid)
{
size_t len = from_oid->length;
*minor_status = 0;
to_oid->elements = malloc(len);
if (!to_oid->elements) {
to_oid->length = 0;
*minor_status = ENOMEM;
return GSS_S_FAILURE;
}
to_oid->length = len;
memcpy(to_oid->elements, from_oid->elements, len);
return (GSS_S_COMPLETE);
}
OM_uint32
_gss_free_oid(OM_uint32 *minor_status, gss_OID oid)
{
*minor_status = 0;
if (oid->elements) {
free(oid->elements);
oid->elements = NULL;
oid->length = 0;
}
return (GSS_S_COMPLETE);
}
OM_uint32
_gss_copy_buffer(OM_uint32 *minor_status,
const gss_buffer_t from_buf, gss_buffer_t to_buf)
{
size_t len = from_buf->length;
*minor_status = 0;
to_buf->value = malloc(len);
if (!to_buf->value) {
*minor_status = ENOMEM;
to_buf->length = 0;
return GSS_S_FAILURE;
}
to_buf->length = len;
memcpy(to_buf->value, from_buf->value, len);
return (GSS_S_COMPLETE);
}