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 module deimos.openssl.kssl;
64 
65 public import deimos.openssl.opensslconf;
66 
67 // FIXME: krb5.h port available, thus not yet usable.
68 version (OPENSSL_NO_KRB5) {} else {
69 
70 import core.stdc.stdio;
71 // #include <ctype.h>
72 // #include <krb5.h>
73 // #ifdef OPENSSL_SYS_WIN32
74 // /* These can sometimes get redefined indirectly by krb5 header files
75 //  * after they get undefed in ossl_typ.h
76 // */
77 // #undef X509_NAME
78 // #undef X509_EXTENSIONS
79 // #undef OCSP_REQUEST
80 // #undef OCSP_RESPONSE
81 // #endif
82 
83 extern (C):
84 nothrow:
85 
86 /*
87 **	Depending on which KRB5 implementation used, some types from
88 **	the other may be missing.  Resolve that here and now
89 */
90 // #ifdef KRB5_HEIMDAL
91 alias ubyte krb5_octet;
92 // #define FAR
93 // #else
94 
95 //#ifndef FAR
96 //#define FAR
97 //#endif
98 
99 
100 /*	Uncomment this to debug kssl problems or
101 **	to trace usage of the Kerberos session key
102 **
103 **	#define		KSSL_DEBUG
104 */
105 
106 // #ifndef	KRB5SVC
107 enum KRB5SVC = "host";
108 // #endif
109 
110 // #ifndef	KRB5KEYTAB
111 enum KRB5KEYTAB = "/etc/krb5.keytab";
112 // #endif
113 
114 // #ifndef KRB5SENDAUTH
115 enum KRB5SENDAUTH = 1;
116 // #endif
117 
118 // #ifndef KRB5CHECKAUTH
119 enum KRB5CHECKAUTH = 1;
120 // #endif
121 
122 // #ifndef KSSL_CLOCKSKEW
123 enum KSSL_CLOCKSKEW = 300;;
124 // #endif
125 
126 enum KSSL_ERR_MAX = 255;
127 struct kssl_err_st {
128 	int  reason;
129 	char[KSSL_ERR_MAX+1] text;
130 	}
131 alias kssl_err_st KSSL_ERR;
132 
133 
134 
135 // FIXME: krb5.h not available, thus just declare an opaque type.
136 struct KSSL_CTX;
137 /+
138 /*	Context for passing
139 **		(1) Kerberos session key to SSL, and
140 **		(2)	Config data between application and SSL lib
141 */
142 struct kssl_ctx_st {
143                                 /*	used by:    disposition:            */
144 	char* service_name;	/*	C,S	    default ok (kssl)       */
145 	char* service_host;	/*	C	    input, REQUIRED         */
146 	char* client_princ;	/*	S	    output from krb5 ticket */
147 	char* keytab_file;	/*     S	    NULL (/etc/krb5.keytab) */
148 	char* cred_cache;	/*	C	    NULL (default)          */
149 	krb5_enctype enctype;
150 	int length;
151 	krb5_octet* key;
152 	}
153 alias kssl_ctx_st KSSL_CTX;
154 +/
155 
156 enum KSSL_CLIENT = 1;
157 enum KSSL_SERVER = 2;
158 enum KSSL_SERVICE = 3;
159 enum KSSL_KEYTAB = 4;
160 
161 enum KSSL_CTX_OK = 0;
162 enum KSSL_CTX_ERR = 1;
163 enum KSSL_NOMEM = 2;
164 
165 /* Public (for use by applications that use OpenSSL with Kerberos 5 support */
166 // FIXME: krb5.h not available.
167 /+krb5_error_code kssl_ctx_setstring(KSSL_CTX* kssl_ctx, int which, char* text);
168 KSSL_CTX* kssl_ctx_new();
169 KSSL_CTX* kssl_ctx_free(KSSL_CTX* kssl_ctx);
170 void kssl_ctx_show(KSSL_CTX* kssl_ctx);
171 krb5_error_code kssl_ctx_setprinc(KSSL_CTX* kssl_ctx, int which,
172         krb5_data* realm, krb5_data* entity, int nentities);
173 krb5_error_code	kssl_cget_tkt(KSSL_CTX* kssl_ctx,  krb5_data** enc_tktp,
174         krb5_data* authenp, KSSL_ERR* kssl_err);
175 krb5_error_code	kssl_sget_tkt(KSSL_CTX* kssl_ctx,  krb5_data* indata,
176         krb5_ticket_times* ttimes, KSSL_ERR* kssl_err);
177 krb5_error_code kssl_ctx_setkey(KSSL_CTX* kssl_ctx, krb5_keyblock* session);
178 void	kssl_err_set(KSSL_ERR* kssl_err, int reason, char* text);
179 void kssl_krb5_free_data_contents(krb5_context context, krb5_data* data);
180 krb5_error_code  kssl_build_principal_2(krb5_context context,
181 			krb5_principal* princ, int rlen, const(char)* realm,
182 			int slen, const(char)* svc, int hlen, const(char)* host);
183 krb5_error_code  kssl_validate_times(krb5_timestamp atime,
184 					krb5_ticket_times* ttimes);
185 krb5_error_code  kssl_check_authent(KSSL_CTX* kssl_ctx, krb5_data* authentp,
186 			            krb5_timestamp* atimep, KSSL_ERR* kssl_err);
187 ubyte* kssl_skip_confound(krb5_enctype enctype, ubyte* authn);+/
188 
189 import deimos.openssl.ssl : SSL;
190 void SSL_set0_kssl_ctx(SSL* s, KSSL_CTX* kctx);
191 KSSL_CTX* SSL_get0_kssl_ctx(SSL* s);
192 char* kssl_ctx_get0_client_princ(KSSL_CTX* kctx);
193 
194 }