1184588Sdfr/*- 2184588Sdfr * Copyright (c) 2008 Isilon Inc http://www.isilon.com/ 3184588Sdfr * Authors: Doug Rabson <dfr@rabson.org> 4184588Sdfr * Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org> 5184588Sdfr * 6184588Sdfr * Redistribution and use in source and binary forms, with or without 7184588Sdfr * modification, are permitted provided that the following conditions 8184588Sdfr * are met: 9184588Sdfr * 1. Redistributions of source code must retain the above copyright 10184588Sdfr * notice, this list of conditions and the following disclaimer. 11184588Sdfr * 2. Redistributions in binary form must reproduce the above copyright 12184588Sdfr * notice, this list of conditions and the following disclaimer in the 13184588Sdfr * documentation and/or other materials provided with the distribution. 14184588Sdfr * 15184588Sdfr * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16184588Sdfr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17184588Sdfr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18184588Sdfr * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19184588Sdfr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20184588Sdfr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21184588Sdfr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22184588Sdfr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23184588Sdfr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24184588Sdfr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25184588Sdfr * SUCH DAMAGE. 26184588Sdfr */ 27184588Sdfr 28184588Sdfr#include <sys/cdefs.h> 29184588Sdfr__FBSDID("$FreeBSD$"); 30184588Sdfr 31184588Sdfr#include <sys/param.h> 32184588Sdfr#include <sys/kernel.h> 33184588Sdfr#include <sys/kobj.h> 34244370Srmacklem#include <sys/lock.h> 35184588Sdfr#include <sys/malloc.h> 36244370Srmacklem#include <sys/mutex.h> 37184588Sdfr 38184588Sdfr#include <kgssapi/gssapi.h> 39184588Sdfr#include <kgssapi/gssapi_impl.h> 40184588Sdfr 41184588Sdfr#include "gssd.h" 42184588Sdfr 43184588SdfrOM_uint32 44184588Sdfrgss_delete_sec_context(OM_uint32 *minor_status, gss_ctx_id_t *context_handle, 45184588Sdfr gss_buffer_t output_token) 46184588Sdfr{ 47184588Sdfr struct delete_sec_context_res res; 48184588Sdfr struct delete_sec_context_args args; 49184588Sdfr enum clnt_stat stat; 50184588Sdfr gss_ctx_id_t ctx; 51244370Srmacklem CLIENT *cl; 52184588Sdfr 53244370Srmacklem *minor_status = 0; 54244370Srmacklem 55184588Sdfr if (!kgss_gssd_handle) 56184588Sdfr return (GSS_S_FAILURE); 57184588Sdfr 58184588Sdfr if (*context_handle) { 59184588Sdfr ctx = *context_handle; 60184588Sdfr 61184588Sdfr /* 62184588Sdfr * If we are past the context establishment phase, let 63184588Sdfr * the in-kernel code do the delete, otherwise 64184588Sdfr * userland needs to deal with it. 65184588Sdfr */ 66184588Sdfr if (ctx->handle) { 67184588Sdfr args.ctx = ctx->handle; 68244370Srmacklem cl = kgss_gssd_client(); 69244370Srmacklem if (cl == NULL) 70244370Srmacklem return (GSS_S_FAILURE); 71184588Sdfr 72184588Sdfr bzero(&res, sizeof(res)); 73244370Srmacklem stat = gssd_delete_sec_context_1(&args, &res, cl); 74244370Srmacklem CLNT_RELEASE(cl); 75184588Sdfr if (stat != RPC_SUCCESS) { 76184588Sdfr *minor_status = stat; 77184588Sdfr return (GSS_S_FAILURE); 78184588Sdfr } 79184588Sdfr 80184588Sdfr if (output_token) 81184588Sdfr kgss_copy_buffer(&res.output_token, 82184588Sdfr output_token); 83184588Sdfr xdr_free((xdrproc_t) xdr_delete_sec_context_res, &res); 84184588Sdfr 85184588Sdfr kgss_delete_context(ctx, NULL); 86184588Sdfr } else { 87184588Sdfr kgss_delete_context(ctx, output_token); 88184588Sdfr } 89184588Sdfr *context_handle = NULL; 90184588Sdfr } else { 91184588Sdfr if (output_token) { 92184588Sdfr output_token->length = 0; 93184588Sdfr output_token->value = NULL; 94184588Sdfr } 95184588Sdfr } 96184588Sdfr 97184588Sdfr return (GSS_S_COMPLETE); 98184588Sdfr} 99