Line data    Source code

       1             : /*
       2             :  * Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan
       3             :  * (Royal Institute of Technology, Stockholm, Sweden).
       4             :  * All rights reserved.
       5             :  *
       6             :  * Redistribution and use in source and binary forms, with or without
       7             :  * modification, are permitted provided that the following conditions
       8             :  * are met:
       9             :  *
      10             :  * 1. Redistributions of source code must retain the above copyright
      11             :  *    notice, this list of conditions and the following disclaimer.
      12             :  *
      13             :  * 2. Redistributions in binary form must reproduce the above copyright
      14             :  *    notice, this list of conditions and the following disclaimer in the
      15             :  *    documentation and/or other materials provided with the distribution.
      16             :  *
      17             :  * 3. Neither the name of the Institute nor the names of its contributors
      18             :  *    may be used to endorse or promote products derived from this software
      19             :  *    without specific prior written permission.
      20             :  *
      21             :  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
      22             :  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
      23             :  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
      24             :  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
      25             :  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
      26             :  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
      27             :  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      28             :  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
      29             :  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
      30             :  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
      31             :  * SUCH DAMAGE.
      32             :  */
      33             : 
      34             : #include "gsskrb5_locl.h"
      35             : 
      36             : OM_uint32
      37      138155 : _gsskrb5_lifetime_left(OM_uint32 *minor_status,
      38             :                        krb5_context context,
      39             :                        OM_uint32 endtime,
      40             :                        OM_uint32 *lifetime_rec)
      41             : {
      42             :     krb5_timestamp now;
      43             :     krb5_error_code kret;
      44             : 
      45      138155 :     if (endtime == 0) {
      46           0 :         *lifetime_rec = GSS_C_INDEFINITE;
      47           0 :         return GSS_S_COMPLETE;
      48             :     }
      49             : 
      50      138155 :     kret = krb5_timeofday(context, &now);
      51      138155 :     if (kret) {
      52           0 :         *lifetime_rec = 0;
      53           0 :         *minor_status = kret;
      54           0 :         return GSS_S_FAILURE;
      55             :     }
      56             : 
      57      138155 :     if (endtime < now)
      58           0 :         *lifetime_rec = 0;
      59             :     else
      60      138155 :         *lifetime_rec = endtime - now;
      61             : 
      62      138155 :     return GSS_S_COMPLETE;
      63             : }
      64             : 
      65             : 
      66           0 : OM_uint32 GSSAPI_CALLCONV _gsskrb5_context_time
      67             :            (OM_uint32 * minor_status,
      68             :             gss_const_ctx_id_t context_handle,
      69             :             OM_uint32 * time_rec
      70             :            )
      71             : {
      72             :     krb5_context context;
      73             :     OM_uint32 endtime;
      74             :     OM_uint32 major_status;
      75           0 :     const gsskrb5_ctx ctx = (const gsskrb5_ctx) context_handle;
      76             : 
      77           0 :     GSSAPI_KRB5_INIT (&context);
      78             : 
      79             :     HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex);
      80           0 :     endtime = ctx->endtime;
      81             :     HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex);
      82             : 
      83           0 :     major_status = _gsskrb5_lifetime_left(minor_status, context,
      84             :                                           endtime, time_rec);
      85           0 :     if (major_status != GSS_S_COMPLETE)
      86           0 :         return major_status;
      87             : 
      88           0 :     *minor_status = 0;
      89             : 
      90           0 :     if (*time_rec == 0)
      91           0 :         return GSS_S_CONTEXT_EXPIRED;
      92             : 
      93           0 :     return GSS_S_COMPLETE;
      94             : }