elfsign.h revision 8192:1e71c4032126 
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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#ifndef _SYS_CRYPTO_ELFSIGN_H
27#define	_SYS_CRYPTO_ELFSIGN_H
28
29#ifdef __cplusplus
30extern "C" {
31#endif
32
33/*
34 * Consolidation Private Interface for elfsign/libpkcs11/kcfd
35 */
36
37#include <sys/types.h>
38#include <sys/param.h>
39
40/*
41 * Project Private structures and types used for communication between kcfd
42 * and KCF over the door.
43 */
44
45typedef enum ELFsign_status_e {
46	ELFSIGN_UNKNOWN,
47	ELFSIGN_SUCCESS,
48	ELFSIGN_FAILED,
49	ELFSIGN_NOTSIGNED,
50	ELFSIGN_INVALID_CERTPATH,
51	ELFSIGN_INVALID_ELFOBJ,
52	ELFSIGN_RESTRICTED
53} ELFsign_status_t;
54
55#define	KCF_KCFD_VERSION1	1
56#define	SIG_MAX_LENGTH		1024
57
58#define	ELF_SIGNATURE_SECTION	".SUNW_signature"
59
60typedef struct kcf_door_arg_s {
61	short		da_version;
62	boolean_t	da_iskernel;
63
64	union {
65		char filename[MAXPATHLEN];	/* For request */
66
67		struct kcf_door_result_s {	/* For response */
68			ELFsign_status_t	status;
69			uint32_t		siglen;
70			uchar_t			signature[1];
71		} result;
72	} da_u;
73} kcf_door_arg_t;
74
75typedef uint32_t	filesig_vers_t;
76
77/*
78 * File Signature Structure
79 *	Applicable to ELF and other file formats
80 */
81struct filesignatures {
82	uint32_t	filesig_cnt;	/* count of signatures */
83	uint32_t	filesig_pad;	/* unused */
84	union {
85		char	filesig_data[1];
86		struct filesig {	/* one of these for each signature */
87			uint32_t	filesig_size;
88			filesig_vers_t	filesig_version;
89			union {
90				struct filesig_version1 {
91					uint32_t	filesig_v1_dnsize;
92					uint32_t	filesig_v1_sigsize;
93					uint32_t	filesig_v1_oidsize;
94					char	filesig_v1_data[1];
95				} filesig_v1;
96				struct filesig_version3 {
97					uint64_t	filesig_v3_time;
98					uint32_t	filesig_v3_dnsize;
99					uint32_t	filesig_v3_sigsize;
100					uint32_t	filesig_v3_oidsize;
101					char	filesig_v3_data[1];
102				} filesig_v3;
103			} _u2;
104		} filesig_sig;
105		uint64_t filesig_align;
106	} _u1;
107};
108#define	filesig_sig		_u1.filesig_sig
109
110#define	filesig_v1_dnsize	_u2.filesig_v1.filesig_v1_dnsize
111#define	filesig_v1_sigsize	_u2.filesig_v1.filesig_v1_sigsize
112#define	filesig_v1_oidsize	_u2.filesig_v1.filesig_v1_oidsize
113#define	filesig_v1_data		_u2.filesig_v1.filesig_v1_data
114
115#define	filesig_v3_time		_u2.filesig_v3.filesig_v3_time
116#define	filesig_v3_dnsize	_u2.filesig_v3.filesig_v3_dnsize
117#define	filesig_v3_sigsize	_u2.filesig_v3.filesig_v3_sigsize
118#define	filesig_v3_oidsize	_u2.filesig_v3.filesig_v3_oidsize
119#define	filesig_v3_data		_u2.filesig_v3.filesig_v3_data
120
121#define	filesig_ALIGN(s)	(((s) + sizeof (uint64_t) - 1) & \
122				    (-sizeof (uint64_t)))
123#define	filesig_next(ptr)	(struct filesig *)((void *)((char *)(ptr) + \
124				    filesig_ALIGN((ptr)->filesig_size)))
125
126#define	FILESIG_UNKNOWN		0	/* unrecognized version */
127#define	FILESIG_VERSION1	1	/* version1, all but sig section */
128#define	FILESIG_VERSION2	2	/* version1 format, SHF_ALLOC only */
129#define	FILESIG_VERSION3	3	/* version3, all but sig section */
130#define	FILESIG_VERSION4	4	/* version3 format, SHF_ALLOC only */
131
132#ifndef	_KERNEL
133
134#define	_PATH_KCFD_DOOR	"/etc/svc/volatile/kcfd_door"
135
136#endif	/* _KERNEL */
137
138#ifdef __cplusplus
139}
140#endif
141
142#endif /* _SYS_CRYPTO_ELFSIGN_H */
143