1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2005 Doug Rabson 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <gssapi/gssapi.h> 30 #include <stdlib.h> 31 #include <errno.h> 32 33 #include "mech_switch.h" 34 #include "context.h" 35 #include "utils.h" 36 37 OM_uint32 38 gss_delete_sec_context(OM_uint32 *minor_status, 39 gss_ctx_id_t *context_handle, 40 gss_buffer_t output_token) 41 { 42 struct _gss_context *ctx = (struct _gss_context *) *context_handle; 43 44 if (output_token) 45 _gss_buffer_zero(output_token); 46 47 *minor_status = 0; 48 if (ctx) { 49 /* 50 * If we have an implementation ctx, delete it, 51 * otherwise fake an empty token. 52 */ 53 if (ctx->gc_ctx) { 54 (void) ctx->gc_mech->gm_delete_sec_context( 55 minor_status, &ctx->gc_ctx, output_token); 56 } 57 free(ctx); 58 *context_handle = GSS_C_NO_CONTEXT; 59 } 60 61 return (GSS_S_COMPLETE); 62 } 63