xref: /freebsd/crypto/heimdal/lib/krb5/mk_req.c (revision 817420dc8eac7df799c78f5309b75092b7f7cd40)
1 /*
2  * Copyright (c) 1997 - 2000 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: mk_req.c,v 1.20 2000/01/16 10:22:42 assar Exp $");
37 
38 krb5_error_code
39 krb5_mk_req(krb5_context context,
40 	    krb5_auth_context *auth_context,
41 	    const krb5_flags ap_req_options,
42 	    const char *service,
43 	    const char *hostname,
44 	    krb5_data *in_data,
45 	    krb5_ccache ccache,
46 	    krb5_data *outbuf)
47 {
48     krb5_error_code ret;
49     krb5_creds this_cred, *cred;
50     char **realms;
51     krb5_data realm_data;
52     char *real_hostname;
53 
54     memset(&this_cred, 0, sizeof(this_cred));
55 
56     ret = krb5_cc_get_principal(context, ccache, &this_cred.client);
57 
58     if(ret)
59 	return ret;
60 
61     ret = krb5_expand_hostname_realms (context, hostname,
62 				       &real_hostname, &realms);
63     if (ret) {
64 	krb5_free_principal (context, this_cred.client);
65 	return ret;
66     }
67 
68     realm_data.length = strlen(*realms);
69     realm_data.data   = *realms;
70 
71     ret = krb5_build_principal (context, &this_cred.server,
72 				strlen(*realms),
73 				*realms,
74 				service,
75 				real_hostname,
76 				NULL);
77     free (real_hostname);
78     krb5_free_host_realm (context, realms);
79 
80     if (ret) {
81 	krb5_free_principal (context, this_cred.client);
82 	return ret;
83     }
84     this_cred.times.endtime = 0;
85     if (auth_context && *auth_context && (*auth_context)->keytype)
86 	this_cred.session.keytype = (*auth_context)->keytype;
87 
88     ret = krb5_get_credentials (context, 0, ccache, &this_cred, &cred);
89     if (ret)
90 	return ret;
91 
92     return krb5_mk_req_extended (context,
93 				 auth_context,
94 				 ap_req_options,
95 				 in_data,
96 				 cred,
97 				 outbuf);
98 }
99