1 /*	$NetBSD: mk_req.c,v 1.1.1.1 2011/04/13 18:15:36 elric Exp $	*/
2 
3 /*
4  * Copyright (c) 1997 - 2004 Kungliga Tekniska Högskolan
5  * (Royal Institute of Technology, Stockholm, Sweden).
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * 3. Neither the name of the Institute nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #include "krb5_locl.h"
37 
38 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_mk_req_exact(krb5_context context,krb5_auth_context * auth_context,const krb5_flags ap_req_options,const krb5_principal server,krb5_data * in_data,krb5_ccache ccache,krb5_data * outbuf)39 krb5_mk_req_exact(krb5_context context,
40 		  krb5_auth_context *auth_context,
41 		  const krb5_flags ap_req_options,
42 		  const krb5_principal server,
43 		  krb5_data *in_data,
44 		  krb5_ccache ccache,
45 		  krb5_data *outbuf)
46 {
47     krb5_error_code ret;
48     krb5_creds this_cred, *cred;
49 
50     memset(&this_cred, 0, sizeof(this_cred));
51 
52     ret = krb5_cc_get_principal(context, ccache, &this_cred.client);
53 
54     if(ret)
55 	return ret;
56 
57     ret = krb5_copy_principal (context, server, &this_cred.server);
58     if (ret) {
59 	krb5_free_cred_contents (context, &this_cred);
60 	return ret;
61     }
62 
63     this_cred.times.endtime = 0;
64     if (auth_context && *auth_context && (*auth_context)->keytype)
65 	this_cred.session.keytype = (*auth_context)->keytype;
66 
67     ret = krb5_get_credentials (context, 0, ccache, &this_cred, &cred);
68     krb5_free_cred_contents(context, &this_cred);
69     if (ret)
70 	return ret;
71 
72     ret = krb5_mk_req_extended (context,
73 				auth_context,
74 				ap_req_options,
75 				in_data,
76 				cred,
77 				outbuf);
78     krb5_free_creds(context, cred);
79     return ret;
80 }
81 
82 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_mk_req(krb5_context context,krb5_auth_context * auth_context,const krb5_flags ap_req_options,const char * service,const char * hostname,krb5_data * in_data,krb5_ccache ccache,krb5_data * outbuf)83 krb5_mk_req(krb5_context context,
84 	    krb5_auth_context *auth_context,
85 	    const krb5_flags ap_req_options,
86 	    const char *service,
87 	    const char *hostname,
88 	    krb5_data *in_data,
89 	    krb5_ccache ccache,
90 	    krb5_data *outbuf)
91 {
92     krb5_error_code ret;
93     char **realms;
94     char *real_hostname;
95     krb5_principal server;
96 
97     ret = krb5_expand_hostname_realms (context, hostname,
98 				       &real_hostname, &realms);
99     if (ret)
100 	return ret;
101 
102     ret = krb5_build_principal (context, &server,
103 				strlen(*realms),
104 				*realms,
105 				service,
106 				real_hostname,
107 				NULL);
108     free (real_hostname);
109     krb5_free_host_realm (context, realms);
110     if (ret)
111 	return ret;
112     ret = krb5_mk_req_exact (context, auth_context, ap_req_options,
113 			     server, in_data, ccache, outbuf);
114     krb5_free_principal (context, server);
115     return ret;
116 }
117