1/*	$NetBSD: mk_req.c,v 1.2 2017/01/28 21:31:49 christos Exp $	*/
2
3/*
4 * Copyright (c) 1997 - 2004 Kungliga Tekniska H��gskolan
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
38KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
39krb5_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
82KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
83krb5_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