2 * Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
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.
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.
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
36 struct timeval _kdc_now;
39 _kdc_db_fetch(krb5_context context,
40 krb5_kdc_configuration *config,
41 krb5_const_principal principal,
50 ent = calloc (1, sizeof (*ent));
52 krb5_set_error_message(context, ENOMEM, "malloc: out of memory");
56 for(i = 0; i < config->num_db; i++) {
57 krb5_principal enterprise_principal = NULL;
58 if (!(config->db[i]->hdb_capability_flags & HDB_CAP_F_HANDLE_ENTERPRISE_PRINCIPAL)
59 && principal->name.name_type == KRB5_NT_ENTERPRISE_PRINCIPAL) {
60 if (principal->name.name_string.len != 1) {
61 ret = KRB5_PARSE_MALFORMED;
62 krb5_set_error_message(context, ret,
64 "enterprise name with %d name components",
65 principal->name.name_string.len);
69 ret = krb5_parse_name(context, principal->name.name_string.val[0],
70 &enterprise_principal);
76 principal = enterprise_principal;
79 ret = config->db[i]->hdb_open(context, config->db[i], O_RDONLY, 0);
81 const char *msg = krb5_get_error_message(context, ret);
82 kdc_log(context, config, 0, "Failed to open database: %s", msg);
83 krb5_free_error_message(context, msg);
87 ret = config->db[i]->hdb_fetch(context,
90 flags | HDB_F_DECRYPT,
92 krb5_free_principal(context, enterprise_principal);
94 config->db[i]->hdb_close(context, config->db[i]);
103 krb5_set_error_message(context, HDB_ERR_NOENTRY,
104 "no such entry found in hdb");
105 return HDB_ERR_NOENTRY;
109 _kdc_free_ent(krb5_context context, hdb_entry_ex *ent)
111 hdb_free_entry (context, ent);
116 * Use the order list of preferred encryption types and sort the
117 * available keys and return the most preferred key.
121 _kdc_get_preferred_key(krb5_context context,
122 krb5_kdc_configuration *config,
125 krb5_enctype *enctype,
128 const krb5_enctype *p;
132 p = krb5_kerberos_enctypes(context);
134 for (i = 0; p[i] != ETYPE_NULL; i++) {
135 if (krb5_enctype_valid(context, p[i]) != 0)
137 ret = hdb_enctype2key(context, &h->entry, p[i], key);
144 krb5_set_error_message(context, EINVAL,
145 "No valid kerberos key found for %s", name);