2
* Copyright (c) 2011, JANET(UK)
5
* Redistribution and use in source and binary forms, with or without
6
* modification, are permitted provided that the following conditions
9
* 1. Redistributions of source code must retain the above copyright
10
* notice, this list of conditions and the following disclaimer.
12
* 2. Redistributions in binary form must reproduce the above copyright
13
* notice, this list of conditions and the following disclaimer in the
14
* documentation and/or other materials provided with the distribution.
16
* 3. Neither the name of JANET(UK) nor the names of its contributors
17
* may be used to endorse or promote products derived from this software
18
* without specific prior written permission.
20
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
24
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34
* Function for converting mechanism error codes to strings.
37
#include "gssapiP_eap.h"
39
struct gss_eap_status_info {
42
struct gss_eap_status_info *next;
46
gssEapDestroyStatusInfo(struct gss_eap_status_info *p)
48
struct gss_eap_status_info *next;
50
for (; p != NULL; p = next) {
52
GSSEAP_FREE(p->message);
58
* Associate a message with a mechanism (minor) status code. This function
59
* takes ownership of the message regardless of success. The message must
60
* be explicitly cleared, if required, so it is suggested that a specific
61
* minor code is either always or never associated with a message, to avoid
62
* dangling (and potentially confusing) error messages.
65
saveStatusInfoNoCopy(OM_uint32 minor, char *message)
67
struct gss_eap_status_info **next = NULL, *p = NULL;
68
struct gss_eap_thread_local_data *tld = gssEapGetThreadLocalData();
71
for (p = tld->statusInfo; p != NULL; p = p->next) {
72
if (p->code == minor) {
73
/* Set message in-place */
74
if (p->message != NULL)
75
GSSEAP_FREE(p->message);
81
p = GSSEAP_CALLOC(1, sizeof(*p));
100
getStatusInfo(OM_uint32 minor)
102
struct gss_eap_status_info *p;
103
struct gss_eap_thread_local_data *tld = gssEapGetThreadLocalData();
106
for (p = tld->statusInfo; p != NULL; p = p->next) {
107
if (p->code == minor)
115
gssEapSaveStatusInfo(OM_uint32 minor, const char *format, ...)
118
OM_uint32 tmpMajor, tmpMinor;
120
gss_buffer_desc s = GSS_C_EMPTY_BUFFER;
123
if (format != NULL) {
124
va_start(ap, format);
125
snprintf(buf, sizeof(buf), format, ap);
129
tmpMajor = makeStringBuffer(&tmpMinor, buf, &s);
130
if (!GSS_ERROR(tmpMajor))
131
saveStatusInfoNoCopy(minor, (char *)s.value);
137
if (format != NULL) {
138
va_start(ap, format);
139
n = vasprintf(&s, format, ap);
145
saveStatusInfoNoCopy(minor, s);
150
gssEapDisplayStatus(OM_uint32 *minor,
151
OM_uint32 status_value,
152
gss_buffer_t status_string)
155
krb5_context krbContext = NULL;
158
status_string->length = 0;
159
status_string->value = NULL;
161
errMsg = getStatusInfo(status_value);
162
if (errMsg == NULL) {
163
GSSEAP_KRB_INIT(&krbContext);
165
/* Try the com_err message */
166
errMsg = krb5_get_error_message(krbContext, status_value);
169
if (errMsg != NULL) {
170
major = makeStringBuffer(minor, errMsg, status_string);
172
major = GSS_S_COMPLETE;
176
if (krbContext != NULL)
177
krb5_free_error_message(krbContext, errMsg);
182
OM_uint32 GSSAPI_CALLCONV
183
gss_display_status(OM_uint32 *minor,
184
OM_uint32 status_value,
187
OM_uint32 *message_context,
188
gss_buffer_t status_string)
190
if (!gssEapIsMechanismOid(mech_type)) {
191
*minor = GSSEAP_WRONG_MECH;
192
return GSS_S_BAD_MECH;
195
if (status_type != GSS_C_MECH_CODE ||
196
*message_context != 0) {
197
/* we rely on the mechglue for GSS_C_GSS_CODE */
199
return GSS_S_BAD_STATUS;
202
return gssEapDisplayStatus(minor, status_value, status_string);