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- /*-
- * SPDX-License-Identifier: BSD-2-Clause
- *
- * 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/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);
- }
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