source/heimdal/kdc/misc.c

   1 /*
   2  * Copyright (c) 1997 - 2001 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 "kdc_locl.h"
  35
  36 RCSID("$Id: misc.c,v 1.29 2006/04/27 11:33:21 lha Exp $");
  37
  38 struct timeval _kdc_now;
  39
  40 krb5_error_code
  41 _kdc_db_fetch(krb5_context context,
  42               krb5_kdc_configuration *config,
  43               krb5_const_principal principal,
  44               unsigned flags,
  45               hdb_entry_ex **h)
  46 {
  47     hdb_entry_ex *ent;
  48     krb5_error_code ret = HDB_ERR_NOENTRY;
  49     int i;
  50
  51     ent = calloc (1, sizeof (*ent));
  52     if (ent == NULL)
  53         return ENOMEM;
  54
  55     for(i = 0; i < config->num_db; i++) {
  56         ret = config->db[i]->hdb_open(context, config->db[i], O_RDONLY, 0);
  57         if (ret) {
  58             kdc_log(context, config, 0, "Failed to open database: %s",
  59                     krb5_get_err_text(context, ret));
  60             continue;
  61         }
  62         ret = config->db[i]->hdb_fetch(context,
  63                                        config->db[i],
  64                                        principal,
  65                                        flags | HDB_F_DECRYPT,
  66                                        ent);
  67         config->db[i]->hdb_close(context, config->db[i]);
  68         if(ret == 0) {
  69             *h = ent;
  70             return 0;
  71         }
  72     }
  73     free(ent);
  74     return ret;
  75 }
  76
  77 void
  78 _kdc_free_ent(krb5_context context, hdb_entry_ex *ent)
  79 {
  80     hdb_free_entry (context, ent);
  81     free (ent);
  82 }
  83