xref: /freebsd/crypto/heimdal/kdc/misc.c (revision 5e9cd1ae3e10592ed70e7575551cba1bbab04d84)
1 /*
2  * Copyright (c) 1997 - 2001 Kungliga Tekniska H�gskolan
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 1.22 2001/01/30 03:54:21 assar Exp $");
37 
38 struct timeval now;
39 
40 krb5_error_code
41 db_fetch(krb5_principal principal, hdb_entry **h)
42 {
43     hdb_entry *ent;
44     krb5_error_code ret = HDB_ERR_NOENTRY;
45     int i;
46 
47     ent = malloc (sizeof (*ent));
48     if (ent == NULL)
49 	return ENOMEM;
50     ent->principal = principal;
51 
52     for(i = 0; i < num_db; i++) {
53 	ret = db[i]->open(context, db[i], O_RDONLY, 0);
54 	if (ret) {
55 	    kdc_log(0, "Failed to open database: %s",
56 		    krb5_get_err_text(context, ret));
57 	    continue;
58 	}
59 	ret = db[i]->fetch(context, db[i], HDB_F_DECRYPT, ent);
60 	db[i]->close(context, db[i]);
61 	if(ret == 0) {
62 	    *h = ent;
63 	    return 0;
64 	}
65     }
66     free(ent);
67     return ret;
68 }
69 
70 void
71 free_ent(hdb_entry *ent)
72 {
73     hdb_free_entry (context, ent);
74     free (ent);
75 }
76 
77