94 lines
2.9 KiB
C
94 lines
2.9 KiB
C
/*
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* Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "gsskrb5_locl.h"
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OM_uint32
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_gsskrb5_lifetime_left(OM_uint32 *minor_status,
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krb5_context context,
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OM_uint32 lifetime,
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OM_uint32 *lifetime_rec)
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{
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krb5_timestamp timeret;
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krb5_error_code kret;
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if (lifetime == 0) {
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*lifetime_rec = GSS_C_INDEFINITE;
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return GSS_S_COMPLETE;
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}
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kret = krb5_timeofday(context, &timeret);
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if (kret) {
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*minor_status = kret;
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return GSS_S_FAILURE;
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}
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if (lifetime < timeret)
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*lifetime_rec = 0;
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else
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*lifetime_rec = lifetime - timeret;
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return GSS_S_COMPLETE;
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}
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OM_uint32 GSSAPI_CALLCONV _gsskrb5_context_time
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(OM_uint32 * minor_status,
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const gss_ctx_id_t context_handle,
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OM_uint32 * time_rec
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)
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{
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krb5_context context;
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OM_uint32 lifetime;
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OM_uint32 major_status;
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const gsskrb5_ctx ctx = (const gsskrb5_ctx) context_handle;
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GSSAPI_KRB5_INIT (&context);
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HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex);
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lifetime = ctx->lifetime;
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HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex);
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major_status = _gsskrb5_lifetime_left(minor_status, context,
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lifetime, time_rec);
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if (major_status != GSS_S_COMPLETE)
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return major_status;
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*minor_status = 0;
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if (*time_rec == 0)
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return GSS_S_CONTEXT_EXPIRED;
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return GSS_S_COMPLETE;
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}
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