freebsd-dev/lib/libgssapi/gss_delete_sec_context.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 <errno.h>
#include "mech_switch.h"
#include "context.h"
#include "utils.h"
OM_uint32
gss_delete_sec_context(OM_uint32 *minor_status,
gss_ctx_id_t *context_handle,
gss_buffer_t output_token)
{
OM_uint32 major_status;
struct _gss_context *ctx = (struct _gss_context *) *context_handle;
if (output_token)
_gss_buffer_zero(output_token);
*minor_status = 0;
if (ctx) {
/*
* If we have an implementation ctx, delete it,
* otherwise fake an empty token.
*/
if (ctx->gc_ctx) {
major_status = ctx->gc_mech->gm_delete_sec_context(
minor_status, &ctx->gc_ctx, output_token);
}
free(ctx);
*context_handle = GSS_C_NO_CONTEXT;
}
return (GSS_S_COMPLETE);
}