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1 | /* ssl/kssl.h -*- mode: C; c-file-style: "eay" -*- */ |
2 | /* Written by Vern Staats <staatsvr@asc.hpc.mil> for the OpenSSL project 2000. | |
3 | * project 2000. | |
4 | */ | |
5 | /* ==================================================================== | |
6 | * Copyright (c) 2000 The OpenSSL Project. All rights reserved. | |
7 | * | |
8 | * Redistribution and use in source and binary forms, with or without | |
9 | * modification, are permitted provided that the following conditions | |
10 | * are met: | |
11 | * | |
12 | * 1. Redistributions of source code must retain the above copyright | |
13 | * notice, this list of conditions and the following disclaimer. | |
14 | * | |
15 | * 2. Redistributions in binary form must reproduce the above copyright | |
16 | * notice, this list of conditions and the following disclaimer in | |
17 | * the documentation and/or other materials provided with the | |
18 | * distribution. | |
19 | * | |
20 | * 3. All advertising materials mentioning features or use of this | |
21 | * software must display the following acknowledgment: | |
22 | * "This product includes software developed by the OpenSSL Project | |
23 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | |
24 | * | |
25 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
26 | * endorse or promote products derived from this software without | |
27 | * prior written permission. For written permission, please contact | |
28 | * licensing@OpenSSL.org. | |
29 | * | |
30 | * 5. Products derived from this software may not be called "OpenSSL" | |
31 | * nor may "OpenSSL" appear in their names without prior written | |
32 | * permission of the OpenSSL Project. | |
33 | * | |
34 | * 6. Redistributions of any form whatsoever must retain the following | |
35 | * acknowledgment: | |
36 | * "This product includes software developed by the OpenSSL Project | |
37 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
38 | * | |
39 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
40 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
42 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
43 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
45 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
46 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
48 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
49 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
50 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
51 | * ==================================================================== | |
52 | * | |
53 | * This product includes cryptographic software written by Eric Young | |
54 | * (eay@cryptsoft.com). This product includes software written by Tim | |
55 | * Hudson (tjh@cryptsoft.com). | |
56 | * | |
57 | */ | |
58 | ||
59 | /* | |
60 | ** 19990701 VRS Started. | |
61 | */ | |
62 | ||
63 | #ifndef KSSL_H | |
64 | #define KSSL_H | |
65 | ||
116daf4c RL |
66 | #include <openssl/opensslconf.h> |
67 | ||
cf1b7d96 | 68 | #ifndef OPENSSL_NO_KRB5 |
43fcc1b0 RL |
69 | |
70 | #include <stdio.h> | |
71 | #include <ctype.h> | |
72 | #include <krb5.h> | |
73 | ||
74 | #ifdef __cplusplus | |
75 | extern "C" { | |
76 | #endif | |
77 | ||
f9b3bff6 RL |
78 | /* |
79 | ** Depending on which KRB5 implementation used, some types from | |
80 | ** the other may be missing. Resolve that here and now | |
81 | */ | |
82 | #ifdef KRB5_HEIMDAL | |
83 | typedef unsigned char krb5_octet; | |
84 | #define FAR | |
85 | #endif | |
86 | ||
43fcc1b0 RL |
87 | /* Uncomment this to debug kssl problems or |
88 | ** to trace usage of the Kerberos session key | |
89 | ** | |
90 | ** #define KSSL_DEBUG | |
91 | */ | |
92 | ||
93 | #ifndef KRB5SVC | |
94 | #define KRB5SVC "host" | |
95 | #endif | |
96 | ||
97 | #ifndef KRB5KEYTAB | |
98 | #define KRB5KEYTAB "/etc/krb5.keytab" | |
99 | #endif | |
100 | ||
2a1ef754 RL |
101 | #ifndef KRB5SENDAUTH |
102 | #define KRB5SENDAUTH 1 | |
103 | #endif | |
104 | ||
105 | #ifndef KRB5CHECKAUTH | |
106 | #define KRB5CHECKAUTH 1 | |
107 | #endif | |
108 | ||
109 | #ifndef KSSL_CLOCKSKEW | |
110 | #define KSSL_CLOCKSKEW 300; | |
111 | #endif | |
43fcc1b0 | 112 | |
54a656ef | 113 | /* Unused |
43fcc1b0 RL |
114 | #define KSSL_ERR_MAX 255 |
115 | typedef struct kssl_err_st { | |
116 | int reason; | |
117 | char text[KSSL_ERR_MAX+1]; | |
118 | } KSSL_ERR; | |
54a656ef | 119 | */ |
43fcc1b0 RL |
120 | |
121 | /* Context for passing | |
122 | ** (1) Kerberos session key to SSL, and | |
123 | ** (2) Config data between application and SSL lib | |
124 | */ | |
125 | typedef struct kssl_ctx_st | |
126 | { | |
127 | /* used by: disposition: */ | |
128 | char *service_name; /* C,S default ok (kssl) */ | |
129 | char *service_host; /* C input, REQUIRED */ | |
130 | char *client_princ; /* S output from krb5 ticket */ | |
131 | char *keytab_file; /* S NULL (/etc/krb5.keytab) */ | |
f9b3bff6 | 132 | char *cred_cache; /* C NULL (default) */ |
43fcc1b0 RL |
133 | krb5_enctype enctype; |
134 | int length; | |
135 | krb5_octet FAR *key; | |
136 | } KSSL_CTX; | |
137 | ||
138 | #define KSSL_CLIENT 1 | |
139 | #define KSSL_SERVER 2 | |
140 | #define KSSL_SERVICE 3 | |
141 | #define KSSL_KEYTAB 4 | |
142 | ||
143 | #define KSSL_CTX_OK 0 | |
144 | #define KSSL_CTX_ERR 1 | |
145 | #define KSSL_NOMEM 2 | |
146 | ||
f9b3bff6 RL |
147 | /* Public (for use by applications that use OpenSSL with Kerberos 5 support */ |
148 | krb5_error_code kssl_ctx_setstring(KSSL_CTX *kssl_ctx, int which, char *text); | |
43fcc1b0 RL |
149 | KSSL_CTX *kssl_ctx_new(void); |
150 | KSSL_CTX *kssl_ctx_free(KSSL_CTX *kssl_ctx); | |
151 | void kssl_ctx_show(KSSL_CTX *kssl_ctx); | |
43fcc1b0 RL |
152 | krb5_error_code kssl_ctx_setprinc(KSSL_CTX *kssl_ctx, int which, |
153 | krb5_data *realm, krb5_data *entity); | |
2a1ef754 RL |
154 | krb5_error_code kssl_cget_tkt(KSSL_CTX *kssl_ctx, krb5_data **enc_tktp, |
155 | krb5_data *authenp, KSSL_ERR *kssl_err); | |
156 | krb5_error_code kssl_sget_tkt(KSSL_CTX *kssl_ctx, krb5_data *indata, | |
157 | krb5_ticket_times *ttimes, KSSL_ERR *kssl_err); | |
f9b3bff6 RL |
158 | krb5_error_code kssl_ctx_setkey(KSSL_CTX *kssl_ctx, krb5_keyblock *session); |
159 | void kssl_err_set(KSSL_ERR *kssl_err, int reason, char *text); | |
160 | void kssl_krb5_free_data_contents(krb5_context context, krb5_data *data); | |
2a1ef754 RL |
161 | krb5_error_code kssl_build_principal_2(krb5_context context, |
162 | krb5_principal *princ, int rlen, const char *realm, | |
163 | int slen, const char *svc, int hlen, const char *host); | |
164 | krb5_error_code kssl_validate_times(krb5_timestamp atime, | |
165 | krb5_ticket_times *ttimes); | |
166 | krb5_error_code kssl_check_authent(KSSL_CTX *kssl_ctx, krb5_data *authentp, | |
167 | krb5_timestamp *atimep, KSSL_ERR *kssl_err); | |
168 | unsigned char *kssl_skip_confound(krb5_enctype enctype, unsigned char *authn); | |
43fcc1b0 RL |
169 | |
170 | #ifdef __cplusplus | |
171 | } | |
172 | #endif | |
cf1b7d96 | 173 | #endif /* OPENSSL_NO_KRB5 */ |
43fcc1b0 | 174 | #endif /* KSSL_H */ |