xref: /freebsd/crypto/heimdal/lib/gssapi/ntlm/acquire_cred.c (revision 193d9e768ba63fcfb187cfd17f461f7d41345048)
1 /*
2  * Copyright (c) 1997 - 2004 Kungliga Tekniska Högskolan
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.h"
35 
36 OM_uint32 GSSAPI_CALLCONV _gss_ntlm_acquire_cred
37            (OM_uint32 * min_stat,
38             const gss_name_t desired_name,
39             OM_uint32 time_req,
40             const gss_OID_set desired_mechs,
41             gss_cred_usage_t cred_usage,
42             gss_cred_id_t * output_cred_handle,
43             gss_OID_set * actual_mechs,
44             OM_uint32 * time_rec
45            )
46 {
47     ntlm_name name = (ntlm_name) desired_name;
48     OM_uint32 maj_stat;
49     ntlm_ctx ctx;
50 
51     *min_stat = 0;
52     *output_cred_handle = GSS_C_NO_CREDENTIAL;
53     if (actual_mechs)
54 	*actual_mechs = GSS_C_NO_OID_SET;
55     if (time_rec)
56 	*time_rec = GSS_C_INDEFINITE;
57 
58     if (desired_name == NULL)
59 	return GSS_S_NO_CRED;
60 
61     if (cred_usage == GSS_C_BOTH || cred_usage == GSS_C_ACCEPT) {
62 
63 	maj_stat = _gss_ntlm_allocate_ctx(min_stat, &ctx);
64 	if (maj_stat != GSS_S_COMPLETE)
65 	    return maj_stat;
66 
67 	maj_stat = (*ctx->server->nsi_probe)(min_stat, ctx->ictx,
68 					     name->domain);
69 	{
70 	    gss_ctx_id_t context = (gss_ctx_id_t)ctx;
71 	    OM_uint32 junk;
72 	    _gss_ntlm_delete_sec_context(&junk, &context, NULL);
73 	}
74 	if (maj_stat)
75 	    return maj_stat;
76     }
77     if (cred_usage == GSS_C_BOTH || cred_usage == GSS_C_INITIATE) {
78 	ntlm_cred cred;
79 
80 	*min_stat = _gss_ntlm_get_user_cred(name, &cred);
81 	if (*min_stat)
82 	    return GSS_S_FAILURE;
83 	cred->usage = cred_usage;
84 
85 	*output_cred_handle = (gss_cred_id_t)cred;
86     }
87 
88     return (GSS_S_COMPLETE);
89 }
90