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 "krb5_locl.h"
35
36RCSID("$Id: get_in_tkt_with_keytab.c 15477 2005-06-17 04:56:44Z lha $");
37
38krb5_error_code KRB5_LIB_FUNCTION
39krb5_keytab_key_proc (krb5_context context,
40		      krb5_enctype enctype,
41		      krb5_salt salt,
42		      krb5_const_pointer keyseed,
43		      krb5_keyblock **key)
44{
45    krb5_keytab_key_proc_args *args  = rk_UNCONST(keyseed);
46    krb5_keytab keytab = args->keytab;
47    krb5_principal principal  = args->principal;
48    krb5_error_code ret;
49    krb5_keytab real_keytab;
50    krb5_keytab_entry entry;
51
52    if(keytab == NULL)
53	krb5_kt_default(context, &real_keytab);
54    else
55	real_keytab = keytab;
56
57    ret = krb5_kt_get_entry (context, real_keytab, principal,
58			     0, enctype, &entry);
59
60    if (keytab == NULL)
61	krb5_kt_close (context, real_keytab);
62
63    if (ret)
64	return ret;
65
66    ret = krb5_copy_keyblock (context, &entry.keyblock, key);
67    krb5_kt_free_entry(context, &entry);
68    return ret;
69}
70
71krb5_error_code KRB5_LIB_FUNCTION
72krb5_get_in_tkt_with_keytab (krb5_context context,
73			     krb5_flags options,
74			     krb5_addresses *addrs,
75			     const krb5_enctype *etypes,
76			     const krb5_preauthtype *pre_auth_types,
77			     krb5_keytab keytab,
78			     krb5_ccache ccache,
79			     krb5_creds *creds,
80			     krb5_kdc_rep *ret_as_reply)
81{
82    krb5_keytab_key_proc_args a;
83
84    a.principal = creds->client;
85    a.keytab    = keytab;
86
87    return krb5_get_in_tkt (context,
88			    options,
89			    addrs,
90			    etypes,
91			    pre_auth_types,
92			    krb5_keytab_key_proc,
93			    &a,
94			    NULL,
95			    NULL,
96			    creds,
97			    ccache,
98			    ret_as_reply);
99}
100