1 /* #pragma ident "@(#)g_inquire_context.c 1.15 04/02/23 SMI" */
2
3 /*
4 * Copyright 1996 by Sun Microsystems, Inc.
5 *
6 * Permission to use, copy, modify, distribute, and sell this software
7 * and its documentation for any purpose is hereby granted without fee,
8 * provided that the above copyright notice appears in all copies and
9 * that both that copyright notice and this permission notice appear in
10 * supporting documentation, and that the name of Sun Microsystems not be used
11 * in advertising or publicity pertaining to distribution of the software
12 * without specific, written prior permission. Sun Microsystems makes no
13 * representations about the suitability of this software for any
14 * purpose. It is provided "as is" without express or implied warranty.
15 *
16 * SUN MICROSYSTEMS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
17 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
18 * EVENT SHALL SUN MICROSYSTEMS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
19 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
20 * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
21 * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
22 * PERFORMANCE OF THIS SOFTWARE.
23 */
24
25 /*
26 * glue routine for gss_inquire_context
27 */
28
29 #include "mglueP.h"
30 #ifdef HAVE_STDLIB_H
31 #include <stdlib.h>
32 #endif
33
34 static OM_uint32
val_inq_ctx_args(OM_uint32 * minor_status,gss_ctx_id_t context_handle,gss_name_t * src_name,gss_name_t * targ_name,OM_uint32 * lifetime_rec,gss_OID * mech_type,OM_uint32 * ctx_flags,int * locally_initiated,int * opened)35 val_inq_ctx_args(
36 OM_uint32 *minor_status,
37 gss_ctx_id_t context_handle,
38 gss_name_t *src_name,
39 gss_name_t *targ_name,
40 OM_uint32 *lifetime_rec,
41 gss_OID *mech_type,
42 OM_uint32 *ctx_flags,
43 int *locally_initiated,
44 int *opened)
45 {
46
47 /* Initialize outputs. */
48
49 if (minor_status != NULL)
50 *minor_status = 0;
51
52 if (src_name != NULL)
53 *src_name = GSS_C_NO_NAME;
54
55 if (targ_name != NULL)
56 *targ_name = GSS_C_NO_NAME;
57
58 if (mech_type != NULL)
59 *mech_type = GSS_C_NO_OID;
60
61 /* Validate arguments. */
62
63 if (minor_status == NULL)
64 return (GSS_S_CALL_INACCESSIBLE_WRITE);
65
66 if (context_handle == GSS_C_NO_CONTEXT)
67 return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT);
68
69 return (GSS_S_COMPLETE);
70 }
71
72
73 /* Last argument new for V2 */
74 OM_uint32 KRB5_CALLCONV
gss_inquire_context(OM_uint32 * minor_status,gss_ctx_id_t context_handle,gss_name_t * src_name,gss_name_t * targ_name,OM_uint32 * lifetime_rec,gss_OID * mech_type,OM_uint32 * ctx_flags,int * locally_initiated,int * opened)75 gss_inquire_context(
76 OM_uint32 *minor_status,
77 gss_ctx_id_t context_handle,
78 gss_name_t *src_name,
79 gss_name_t *targ_name,
80 OM_uint32 *lifetime_rec,
81 gss_OID *mech_type,
82 OM_uint32 *ctx_flags,
83 int *locally_initiated,
84 int *opened)
85 {
86 gss_union_ctx_id_t ctx;
87 gss_mechanism mech;
88 OM_uint32 status, temp_minor;
89 gss_OID actual_mech;
90 gss_name_t localTargName = NULL, localSourceName = NULL;
91
92 status = val_inq_ctx_args(minor_status,
93 context_handle,
94 src_name, targ_name,
95 lifetime_rec,
96 mech_type, ctx_flags,
97 locally_initiated, opened);
98 if (status != GSS_S_COMPLETE)
99 return (status);
100
101 /*
102 * select the approprate underlying mechanism routine and
103 * call it.
104 */
105
106 ctx = (gss_union_ctx_id_t) context_handle;
107 if (ctx->internal_ctx_id == GSS_C_NO_CONTEXT)
108 return (GSS_S_NO_CONTEXT);
109 mech = gssint_get_mechanism (ctx->mech_type);
110
111 if (!mech || !mech->gss_inquire_context || !mech->gss_display_name ||
112 !mech->gss_release_name) {
113 return (GSS_S_UNAVAILABLE);
114 }
115
116 status = mech->gss_inquire_context(
117 minor_status,
118 ctx->internal_ctx_id,
119 (src_name ? &localSourceName : NULL),
120 (targ_name ? &localTargName : NULL),
121 lifetime_rec,
122 &actual_mech,
123 ctx_flags,
124 locally_initiated,
125 opened);
126
127 if (status != GSS_S_COMPLETE) {
128 map_error(minor_status, mech);
129 return status;
130 }
131
132 /* need to convert names */
133
134 if (src_name) {
135 if (localSourceName) {
136 status = gssint_convert_name_to_union_name(minor_status, mech,
137 localSourceName, src_name);
138
139 if (status != GSS_S_COMPLETE) {
140 if (localTargName)
141 mech->gss_release_name(&temp_minor, &localTargName);
142 return (status);
143 }
144 } else {
145 *src_name = GSS_C_NO_NAME;
146 }
147 }
148
149 if (targ_name) {
150 if (localTargName) {
151 status = gssint_convert_name_to_union_name(minor_status, mech,
152 localTargName, targ_name);
153
154 if (status != GSS_S_COMPLETE) {
155 if (src_name)
156 (void) gss_release_name(&temp_minor, src_name);
157
158 return (status);
159 }
160 }
161 else {
162 *targ_name = GSS_C_NO_NAME;
163 }
164 }
165
166 if (mech_type)
167 *mech_type = gssint_get_public_oid(actual_mech);
168
169 return(GSS_S_COMPLETE);
170 }
171