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 
36 RCSID("$Id: get_in_tkt_with_keytab.c 15477 2005-06-17 04:56:44Z lha $");
37 
38 krb5_error_code KRB5_LIB_FUNCTION
krb5_keytab_key_proc(krb5_context context,krb5_enctype enctype,krb5_salt salt,krb5_const_pointer keyseed,krb5_keyblock ** key)39 krb5_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 
71 krb5_error_code KRB5_LIB_FUNCTION
krb5_get_in_tkt_with_keytab(krb5_context context,krb5_flags options,krb5_addresses * addrs,const krb5_enctype * etypes,const krb5_preauthtype * pre_auth_types,krb5_keytab keytab,krb5_ccache ccache,krb5_creds * creds,krb5_kdc_rep * ret_as_reply)72 krb5_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