/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2008 Isilon Inc http://www.isilon.com/
* Authors: Doug Rabson <dfr@rabson.org>
* Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org>
*
* 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/jail.h>
#include <sys/kernel.h>
#include <sys/kobj.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/mutex.h>
#include <kgssapi/gssapi.h>
#include <kgssapi/gssapi_impl.h>
#include "gssd.h"
OM_uint32
gss_delete_sec_context(OM_uint32 *minor_status, gss_ctx_id_t *context_handle,
gss_buffer_t output_token)
{
struct delete_sec_context_res res;
struct delete_sec_context_args args;
enum clnt_stat stat;
gss_ctx_id_t ctx;
CLIENT *cl;
*minor_status = 0;
KGSS_CURVNET_SET_QUIET(KGSS_TD_TO_VNET(curthread));
if (!KGSS_VNET(kgss_gssd_handle)) {
KGSS_CURVNET_RESTORE();
return (GSS_S_FAILURE);
}
KGSS_CURVNET_RESTORE();
if (*context_handle) {
ctx = *context_handle;
/*
* If we are past the context establishment phase, let
* the in-kernel code do the delete, otherwise
* userland needs to deal with it.
*/
if (ctx->handle) {
args.ctx = ctx->handle;
cl = kgss_gssd_client();
if (cl == NULL)
return (GSS_S_FAILURE);
bzero(&res, sizeof(res));
stat = gssd_delete_sec_context_1(&args, &res, cl);
CLNT_RELEASE(cl);
if (stat != RPC_SUCCESS) {
*minor_status = stat;
return (GSS_S_FAILURE);
}
if (output_token)
kgss_copy_buffer(&res.output_token,
output_token);
xdr_free((xdrproc_t) xdr_delete_sec_context_res, &res);
kgss_delete_context(ctx, NULL);
} else {
kgss_delete_context(ctx, output_token);
}
*context_handle = NULL;
} else {
if (output_token) {
output_token->length = 0;
output_token->value = NULL;
}
}
return (GSS_S_COMPLETE);
}