1 /* -*- mode: c; indent-tabs-mode: nil -*- */
2 /*
3 * Copyright 1996 by Sun Microsystems, Inc.
4 *
5 * Permission to use, copy, modify, distribute, and sell this software
6 * and its documentation for any purpose is hereby granted without fee,
7 * provided that the above copyright notice appears in all copies and
8 * that both that copyright notice and this permission notice appear in
9 * supporting documentation, and that the name of Sun Microsystems not be used
10 * in advertising or publicity pertaining to distribution of the software
11 * without specific, written prior permission. Sun Microsystems makes no
12 * representations about the suitability of this software for any
13 * purpose. It is provided "as is" without express or implied warranty.
14 *
15 * SUN MICROSYSTEMS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
16 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
17 * EVENT SHALL SUN MICROSYSTEMS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
18 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
19 * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
20 * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
21 * PERFORMANCE OF THIS SOFTWARE.
22 */
23
24 /*
25 * glue routine for gss_display_name_ext()
26 *
27 */
28
29 #include "mglueP.h"
30 #include <stdio.h>
31 #ifdef HAVE_STDLIB_H
32 #include <stdlib.h>
33 #endif
34 #include <string.h>
35
36 static OM_uint32
val_dsp_name_ext_args(OM_uint32 * minor_status,gss_name_t input_name,gss_OID display_as_name_type,gss_buffer_t output_name_buffer)37 val_dsp_name_ext_args(
38 OM_uint32 *minor_status,
39 gss_name_t input_name,
40 gss_OID display_as_name_type,
41 gss_buffer_t output_name_buffer)
42 {
43
44 /* Initialize outputs. */
45
46 if (minor_status != NULL)
47 *minor_status = 0;
48
49 if (output_name_buffer != GSS_C_NO_BUFFER) {
50 output_name_buffer->length = 0;
51 output_name_buffer->value = NULL;
52 }
53
54 /* Validate arguments. */
55
56 if (minor_status == NULL)
57 return GSS_S_CALL_INACCESSIBLE_WRITE;
58
59 if (output_name_buffer == GSS_C_NO_BUFFER)
60 return GSS_S_CALL_INACCESSIBLE_WRITE;
61
62 if (input_name == GSS_C_NO_NAME)
63 return GSS_S_CALL_INACCESSIBLE_READ | GSS_S_BAD_NAME;
64
65 if (display_as_name_type == GSS_C_NO_OID)
66 return GSS_S_CALL_INACCESSIBLE_READ | GSS_S_BAD_NAMETYPE;
67
68 return GSS_S_COMPLETE;
69 }
70
71
72 OM_uint32 KRB5_CALLCONV
gss_display_name_ext(OM_uint32 * minor_status,gss_name_t input_name,gss_OID display_as_name_type,gss_buffer_t output_name_buffer)73 gss_display_name_ext (OM_uint32 *minor_status,
74 gss_name_t input_name,
75 gss_OID display_as_name_type,
76 gss_buffer_t output_name_buffer)
77 {
78 OM_uint32 status;
79 gss_union_name_t union_name;
80 gss_mechanism mech;
81
82 status = val_dsp_name_ext_args(minor_status,
83 input_name,
84 display_as_name_type,
85 output_name_buffer);
86 if (status != GSS_S_COMPLETE)
87 return status;
88
89 union_name = (gss_union_name_t) input_name;
90
91 if (union_name->mech_type) {
92 mech = gssint_get_mechanism(union_name->mech_type);
93 if (mech == NULL)
94 status = GSS_S_BAD_NAME;
95 else if (mech->gss_display_name_ext == NULL) {
96 if (mech->gss_display_name != NULL &&
97 union_name->name_type != GSS_C_NO_OID &&
98 g_OID_equal(display_as_name_type, union_name->name_type)) {
99 status = (*mech->gss_display_name)(minor_status,
100 union_name->mech_name,
101 output_name_buffer,
102 NULL);
103 if (status != GSS_S_COMPLETE)
104 map_error(minor_status, mech);
105 } else
106 status = GSS_S_UNAVAILABLE;
107 } else {
108 status = (*mech->gss_display_name_ext)(minor_status,
109 union_name->mech_name,
110 display_as_name_type,
111 output_name_buffer);
112 if (status != GSS_S_COMPLETE)
113 map_error(minor_status, mech);
114 }
115 return status;
116 }
117
118 if (union_name->name_type == GSS_C_NO_OID ||
119 !g_OID_equal(display_as_name_type, union_name->name_type))
120 return GSS_S_UNAVAILABLE;
121
122 if ((output_name_buffer->value =
123 malloc(union_name->external_name->length + 1)) == NULL) {
124 return GSS_S_FAILURE;
125 }
126 output_name_buffer->length = union_name->external_name->length;
127 (void) memcpy(output_name_buffer->value,
128 union_name->external_name->value,
129 union_name->external_name->length);
130 ((char *)output_name_buffer->value)[output_name_buffer->length] = '\0';
131
132 return GSS_S_COMPLETE;
133 }
134