1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
/* ssl/kssl.h -*- mode: C; c-file-style: "eay" -*- */
/* Written by Vern Staats <staatsvr@asc.hpc.mil> for the OpenSSL project 2000.
* project 2000.
*/
/* ====================================================================
* Copyright (c) 2000 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
/*
** 19990701 VRS Started.
*/
#ifndef KSSL_H
#define KSSL_H
#include <openssl/opensslconf.h>
#ifndef OPENSSL_NO_KRB5
#include <stdio.h>
#include <ctype.h>
#include <krb5.h>
#ifdef OPENSSL_SYS_WIN32
/* These can sometimes get redefined indirectly by krb5 header files
* after they get undefed in ossl_typ.h
*/
#undef X509_NAME
#undef X509_EXTENSIONS
#undef OCSP_REQUEST
#undef OCSP_RESPONSE
#endif
#ifdef __cplusplus
extern "C" {
#endif
/*
** Depending on which KRB5 implementation used, some types from
** the other may be missing. Resolve that here and now
*/
#ifdef KRB5_HEIMDAL
typedef unsigned char krb5_octet;
#define FAR
#else
#ifndef FAR
#define FAR
#endif
#endif
/* Uncomment this to debug kssl problems or
** to trace usage of the Kerberos session key
**
** #define KSSL_DEBUG
*/
#ifndef KRB5SVC
#define KRB5SVC "host"
#endif
#ifndef KRB5KEYTAB
#define KRB5KEYTAB "/etc/krb5.keytab"
#endif
#ifndef KRB5SENDAUTH
#define KRB5SENDAUTH 1
#endif
#ifndef KRB5CHECKAUTH
#define KRB5CHECKAUTH 1
#endif
#ifndef KSSL_CLOCKSKEW
#define KSSL_CLOCKSKEW 300;
#endif
#define KSSL_ERR_MAX 255
typedef struct kssl_err_st {
int reason;
char text[KSSL_ERR_MAX+1];
} KSSL_ERR;
/* Context for passing
** (1) Kerberos session key to SSL, and
** (2) Config data between application and SSL lib
*/
typedef struct kssl_ctx_st
{
/* used by: disposition: */
char *service_name; /* C,S default ok (kssl) */
char *service_host; /* C input, REQUIRED */
char *client_princ; /* S output from krb5 ticket */
char *keytab_file; /* S NULL (/etc/krb5.keytab) */
char *cred_cache; /* C NULL (default) */
krb5_enctype enctype;
int length;
krb5_octet FAR *key;
} KSSL_CTX;
#define KSSL_CLIENT 1
#define KSSL_SERVER 2
#define KSSL_SERVICE 3
#define KSSL_KEYTAB 4
#define KSSL_CTX_OK 0
#define KSSL_CTX_ERR 1
#define KSSL_NOMEM 2
/* Public (for use by applications that use OpenSSL with Kerberos 5 support */
krb5_error_code kssl_ctx_setstring(KSSL_CTX *kssl_ctx, int which, char *text);
KSSL_CTX *kssl_ctx_new(void);
KSSL_CTX *kssl_ctx_free(KSSL_CTX *kssl_ctx);
void kssl_ctx_show(KSSL_CTX *kssl_ctx);
krb5_error_code kssl_ctx_setprinc(KSSL_CTX *kssl_ctx, int which,
krb5_data *realm, krb5_data *entity, int nentities);
krb5_error_code kssl_cget_tkt(KSSL_CTX *kssl_ctx, krb5_data **enc_tktp,
krb5_data *authenp, KSSL_ERR *kssl_err);
krb5_error_code kssl_sget_tkt(KSSL_CTX *kssl_ctx, krb5_data *indata,
krb5_ticket_times *ttimes, KSSL_ERR *kssl_err);
krb5_error_code kssl_ctx_setkey(KSSL_CTX *kssl_ctx, krb5_keyblock *session);
void kssl_err_set(KSSL_ERR *kssl_err, int reason, char *text);
void kssl_krb5_free_data_contents(krb5_context context, krb5_data *data);
krb5_error_code kssl_build_principal_2(krb5_context context,
krb5_principal *princ, int rlen, const char *realm,
int slen, const char *svc, int hlen, const char *host);
krb5_error_code kssl_validate_times(krb5_timestamp atime,
krb5_ticket_times *ttimes);
krb5_error_code kssl_check_authent(KSSL_CTX *kssl_ctx, krb5_data *authentp,
krb5_timestamp *atimep, KSSL_ERR *kssl_err);
unsigned char *kssl_skip_confound(krb5_enctype enctype, unsigned char *authn);
void SSL_set0_kssl_ctx(SSL *s, KSSL_CTX *kctx);
KSSL_CTX * SSL_get0_kssl_ctx(SSL *s);
char *kssl_ctx_get0_client_princ(KSSL_CTX *kctx);
#ifdef __cplusplus
}
#endif
#endif /* OPENSSL_NO_KRB5 */
#endif /* KSSL_H */
|
