xref: /freebsd/crypto/heimdal/lib/gssapi/ntlm/acquire_cred.c (revision 884a2a699669ec61e2366e3e358342dbc94be24a)
1 /*
2  * Copyright (c) 1997 - 2004 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 "ntlm/ntlm.h"
35 
36 RCSID("$Id: acquire_cred.c 22380 2007-12-29 18:42:56Z lha $");
37 
38 OM_uint32 _gss_ntlm_acquire_cred
39            (OM_uint32 * min_stat,
40             const gss_name_t desired_name,
41             OM_uint32 time_req,
42             const gss_OID_set desired_mechs,
43             gss_cred_usage_t cred_usage,
44             gss_cred_id_t * output_cred_handle,
45             gss_OID_set * actual_mechs,
46             OM_uint32 * time_rec
47            )
48 {
49     ntlm_name name = (ntlm_name) desired_name;
50     OM_uint32 maj_stat;
51     ntlm_ctx ctx;
52 
53     *min_stat = 0;
54     if (output_cred_handle)
55 	*output_cred_handle = GSS_C_NO_CREDENTIAL;
56     if (actual_mechs)
57 	*actual_mechs = GSS_C_NO_OID_SET;
58     if (time_rec)
59 	*time_rec = GSS_C_INDEFINITE;
60 
61     if (desired_name == NULL)
62 	return GSS_S_NO_CRED;
63 
64     if (cred_usage == GSS_C_BOTH || cred_usage == GSS_C_ACCEPT) {
65 
66 	maj_stat = _gss_ntlm_allocate_ctx(min_stat, &ctx);
67 	if (maj_stat != GSS_S_COMPLETE)
68 	    return maj_stat;
69 
70 	maj_stat = (*ctx->server->nsi_probe)(min_stat, ctx->ictx,
71 					     name->domain);
72 
73 	if (maj_stat)
74 	    return maj_stat;
75 
76 	{
77 	    gss_ctx_id_t context = (gss_ctx_id_t)ctx;
78 	    _gss_ntlm_delete_sec_context(min_stat, &context, NULL);
79 	    *min_stat = 0;
80 	}
81     }
82     if (cred_usage == GSS_C_BOTH || cred_usage == GSS_C_INITIATE) {
83 	ntlm_cred cred;
84 
85 	*min_stat = _gss_ntlm_get_user_cred(name, &cred);
86 	if (*min_stat)
87 	    return GSS_S_FAILURE;
88 	cred->usage = cred_usage;
89 
90 	*output_cred_handle = (gss_cred_id_t)cred;
91     }
92 
93     return (GSS_S_COMPLETE);
94 }
95