xref: /titanic_50/usr/src/cmd/keyserv/keyserv_cache.h (revision c5c4113dfcabb1eed3d4bdf7609de5170027a794)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_KEYSERV_CACHE_H
28 #define	_KEYSERV_CACHE_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 /* uid_t, size_t, caddr_t, u_int, etc. */
37 #include <sys/types.h>
38 /* des_block, keylen_t, algtype_t */
39 #include <rpc/key_prot.h>
40 
41 struct dhkey {
42 	u_short	length;	/* Length in bytes */
43 	u_char	key[1];	/* Binary data; allocated to correct length */
44 };
45 
46 /* Round up to multiple of four */
47 #define	ALIGN4(addr)		(4 * (((addr)+3)/4))
48 /* Round up to multiple of eight */
49 #define	ALIGN8(addr)		(8 * (((addr)+7)/8))
50 
51 /* Convert key length in bits to bytes */
52 #define	KEYLEN(keylen)		(((keylen)+7)/8)
53 
54 /* Bytes to allocate for struct dhkey holding key of specified length (bits) */
55 #define	DHKEYALLOC(keylen)	ALIGN4(sizeof (struct dhkey) + KEYLEN(keylen))
56 /* Bytes used for a struct dhkey (already allocated */
57 #define	DHKEYSIZE(dhkey_ptr)	ALIGN4(sizeof (struct dhkey) + \
58 				(dhkey_ptr)->length)
59 
60 struct cachekey3_list {
61 	keybuf3			*public;
62 	keybuf3			*secret;
63 	int			refcnt;
64 	deskeyarray		deskey;
65 	struct cachekey3_list	*next;
66 };
67 
68 #define	CACHEKEY3_LIST_SIZE(keylen)	(sizeof (struct cachekey3_list) + \
69 					2*sizeof (keybuf3) + \
70 					2*(ALIGN4(2*KEYLEN(keylen)+1)) + \
71 					3*sizeof (des_block))
72 
73 int			create_cache_file(keylen_t keylen, algtype_t algtype,
74 					int sizespec);
75 
76 int			cache_insert(keylen_t keylen, algtype_t algtype,
77 					uid_t uid,
78 					deskeyarray common, des_block key,
79 					keybuf3 *public,
80 					keybuf3 *secret);
81 
82 struct cachekey3_list	*cache_retrieve(keylen_t keylen, algtype_t algtype,
83 					uid_t uid,
84 					keybuf3 *public, des_block key);
85 
86 int			cache_remove(keylen_t keylen, algtype_t algtype,
87 					uid_t uid,
88 					keybuf3 *public);
89 
90 void			print_cache(keylen_t keylen, algtype_t algtype);
91 
92 #ifdef	__cplusplus
93 }
94 #endif
95 
96 #endif /* _KEYSERV_CACHE_H */
97