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 #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 OM_uint32 major_status; 43 struct _gss_context *ctx = (struct _gss_context *) *context_handle; 44 45 if (output_token) 46 _gss_buffer_zero(output_token); 47 48 *minor_status = 0; 49 if (ctx) { 50 /* 51 * If we have an implementation ctx, delete it, 52 * otherwise fake an empty token. 53 */ 54 if (ctx->gc_ctx) { 55 major_status = ctx->gc_mech->gm_delete_sec_context( 56 minor_status, &ctx->gc_ctx, output_token); 57 } 58 free(ctx); 59 *context_handle = GSS_C_NO_CONTEXT; 60 } 61 62 return (GSS_S_COMPLETE); 63 } 64