xref: /freebsd/crypto/heimdal/lib/gssapi/krb5/inquire_context.c (revision 57718be8fa0bd5edc11ab9a72e68cc71982939a6)
1 /*
2  * Copyright (c) 1997, 2003 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 "gsskrb5_locl.h"
35 
36 OM_uint32 GSSAPI_CALLCONV _gsskrb5_inquire_context (
37     OM_uint32 * minor_status,
38 	const gss_ctx_id_t context_handle,
39 	gss_name_t * src_name,
40 	gss_name_t * targ_name,
41 	OM_uint32 * lifetime_rec,
42 	gss_OID * mech_type,
43 	OM_uint32 * ctx_flags,
44 	int * locally_initiated,
45 	int * open_context
46     )
47 {
48     krb5_context context;
49     OM_uint32 ret;
50     gsskrb5_ctx ctx = (gsskrb5_ctx)context_handle;
51     gss_name_t name;
52 
53     if (src_name)
54 	*src_name = GSS_C_NO_NAME;
55     if (targ_name)
56 	*targ_name = GSS_C_NO_NAME;
57 
58     GSSAPI_KRB5_INIT (&context);
59 
60     HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex);
61 
62     if (src_name) {
63 	name = (gss_name_t)ctx->source;
64 	ret = _gsskrb5_duplicate_name (minor_status, name, src_name);
65 	if (ret)
66 	    goto failed;
67     }
68 
69     if (targ_name) {
70 	name = (gss_name_t)ctx->target;
71 	ret = _gsskrb5_duplicate_name (minor_status, name, targ_name);
72 	if (ret)
73 	    goto failed;
74     }
75 
76     if (lifetime_rec) {
77 	ret = _gsskrb5_lifetime_left(minor_status,
78 				     context,
79 				     ctx->lifetime,
80 				     lifetime_rec);
81 	if (ret)
82 	    goto failed;
83     }
84 
85     if (mech_type)
86 	*mech_type = GSS_KRB5_MECHANISM;
87 
88     if (ctx_flags)
89 	*ctx_flags = ctx->flags;
90 
91     if (locally_initiated)
92 	*locally_initiated = ctx->more_flags & LOCAL;
93 
94     if (open_context)
95 	*open_context = ctx->more_flags & OPEN;
96 
97     *minor_status = 0;
98 
99     HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex);
100     return GSS_S_COMPLETE;
101 
102 failed:
103     if (src_name)
104 	_gsskrb5_release_name(NULL, src_name);
105     if (targ_name)
106 	_gsskrb5_release_name(NULL, targ_name);
107 
108     HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex);
109     return ret;
110 }
111