1/* $NetBSD: context_time.c,v 1.2 2017/01/28 21:31:46 christos Exp $ */ 2 3/* 4 * Copyright (c) 1997 - 2003 Kungliga Tekniska H��gskolan 5 * (Royal Institute of Technology, Stockholm, Sweden). 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * 3. Neither the name of the Institute nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36#include "gsskrb5_locl.h" 37 38OM_uint32 39_gsskrb5_lifetime_left(OM_uint32 *minor_status, 40 krb5_context context, 41 OM_uint32 endtime, 42 OM_uint32 *lifetime_rec) 43{ 44 krb5_timestamp now; 45 krb5_error_code kret; 46 47 if (endtime == 0) { 48 *lifetime_rec = GSS_C_INDEFINITE; 49 return GSS_S_COMPLETE; 50 } 51 52 kret = krb5_timeofday(context, &now); 53 if (kret) { 54 *lifetime_rec = 0; 55 *minor_status = kret; 56 return GSS_S_FAILURE; 57 } 58 59 if (endtime < now) 60 *lifetime_rec = 0; 61 else 62 *lifetime_rec = endtime - now; 63 64 return GSS_S_COMPLETE; 65} 66 67 68OM_uint32 GSSAPI_CALLCONV _gsskrb5_context_time 69 (OM_uint32 * minor_status, 70 gss_const_ctx_id_t context_handle, 71 OM_uint32 * time_rec 72 ) 73{ 74 krb5_context context; 75 OM_uint32 endtime; 76 OM_uint32 major_status; 77 const gsskrb5_ctx ctx = (const gsskrb5_ctx) context_handle; 78 79 GSSAPI_KRB5_INIT (&context); 80 81 HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); 82 endtime = ctx->endtime; 83 HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); 84 85 major_status = _gsskrb5_lifetime_left(minor_status, context, 86 endtime, time_rec); 87 if (major_status != GSS_S_COMPLETE) 88 return major_status; 89 90 *minor_status = 0; 91 92 if (*time_rec == 0) 93 return GSS_S_CONTEXT_EXPIRED; 94 95 return GSS_S_COMPLETE; 96} 97