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