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
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_CRYPTO_ELFSIGN_H
#define _SYS_CRYPTO_ELFSIGN_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/*
* Consolidation Private Interface for elfsign/libpkcs11/kcfd
*/
#include <sys/types.h>
#include <sys/param.h>
/*
* Project Private structures and types used for communication between kcfd
* and KCF over the door.
*/
typedef enum ELFsign_status_e {
ELFSIGN_UNKNOWN,
ELFSIGN_SUCCESS,
ELFSIGN_FAILED,
ELFSIGN_NOTSIGNED,
ELFSIGN_INVALID_CERTPATH,
ELFSIGN_INVALID_ELFOBJ,
ELFSIGN_RESTRICTED
} ELFsign_status_t;
#define KCF_KCFD_VERSION1 1
#define SIG_MAX_LENGTH 1024
#define ELF_SIGNATURE_SECTION ".SUNW_signature"
#define ELFSIGN_CRYPTO "Solaris Cryptographic Framework"
#define USAGELIMITED "OU=UsageLimited"
#define ESA ".esa"
#define ESA_LEN sizeof (".esa")
typedef struct kcf_door_arg_s {
short da_version;
boolean_t da_iskernel;
union {
char filename[MAXPATHLEN]; /* For request */
struct kcf_door_result_s { /* For response */
ELFsign_status_t status;
uint32_t siglen;
uchar_t signature[1];
} result;
} da_u;
} kcf_door_arg_t;
typedef uint32_t filesig_vers_t;
/*
* File Signature Structure
* Applicable to ELF and other file formats
*/
struct filesignatures {
uint32_t filesig_cnt; /* count of signatures */
uint32_t filesig_pad; /* unused */
union {
char filesig_data[1];
struct filesig { /* one of these for each signature */
uint32_t filesig_size;
filesig_vers_t filesig_version;
union {
struct filesig_version1 {
uint32_t filesig_v1_dnsize;
uint32_t filesig_v1_sigsize;
uint32_t filesig_v1_oidsize;
char filesig_v1_data[1];
} filesig_v1;
struct filesig_version3 {
uint64_t filesig_v3_time;
uint32_t filesig_v3_dnsize;
uint32_t filesig_v3_sigsize;
uint32_t filesig_v3_oidsize;
char filesig_v3_data[1];
} filesig_v3;
} _u2;
} filesig_sig;
uint64_t filesig_align;
} _u1;
};
#define filesig_sig _u1.filesig_sig
#define filesig_v1_dnsize _u2.filesig_v1.filesig_v1_dnsize
#define filesig_v1_sigsize _u2.filesig_v1.filesig_v1_sigsize
#define filesig_v1_oidsize _u2.filesig_v1.filesig_v1_oidsize
#define filesig_v1_data _u2.filesig_v1.filesig_v1_data
#define filesig_v3_time _u2.filesig_v3.filesig_v3_time
#define filesig_v3_dnsize _u2.filesig_v3.filesig_v3_dnsize
#define filesig_v3_sigsize _u2.filesig_v3.filesig_v3_sigsize
#define filesig_v3_oidsize _u2.filesig_v3.filesig_v3_oidsize
#define filesig_v3_data _u2.filesig_v3.filesig_v3_data
#define filesig_ALIGN(s) (((s) + sizeof (uint64_t) - 1) & \
(-sizeof (uint64_t)))
#define filesig_next(ptr) (struct filesig *)((void *)((char *)(ptr) + \
filesig_ALIGN((ptr)->filesig_size)))
#define FILESIG_UNKNOWN 0 /* unrecognized version */
#define FILESIG_VERSION1 1 /* version1, all but sig section */
#define FILESIG_VERSION2 2 /* version1 format, SHF_ALLOC only */
#define FILESIG_VERSION3 3 /* version3, all but sig section */
#define FILESIG_VERSION4 4 /* version3 format, SHF_ALLOC only */
#ifndef _KERNEL
#define _PATH_KCFD_DOOR "/var/run/kcfd_door"
#define ES_FMT_RSA_MD5_SHA1 "rsa_md5_sha1"
#define ES_FMT_RSA_SHA1 "rsa_sha1"
enum ES_ACTION {
ES_GET,
ES_GET_CRYPTO,
ES_UPDATE,
ES_UPDATE_RSA_MD5_SHA1,
ES_UPDATE_RSA_SHA1
};
#define ES_ACTISUPDATE(a) ((a) >= ES_UPDATE)
/*
* ELF signature handling
*/
typedef struct ELFsign_s *ELFsign_t;
struct ELFsign_sig_info {
char *esi_format;
char *esi_signer;
time_t esi_time;
};
extern struct filesignatures *elfsign_insert_dso(ELFsign_t ess,
struct filesignatures *fsp, const char *dn, int dn_len,
const uchar_t *sig, int sig_len, const char *oid, int oid_len);
extern filesig_vers_t elfsign_extract_sig(ELFsign_t ess,
struct filesignatures *fsp, uchar_t *sig, size_t *sig_len);
extern ELFsign_status_t elfsign_begin(const char *,
const char *, char *, enum ES_ACTION, ELFsign_t *);
extern void elfsign_end(ELFsign_t ess);
extern ELFsign_status_t elfsign_verify_signature(ELFsign_t ess,
struct ELFsign_sig_info **esipp);
extern ELFsign_status_t elfsign_hash(ELFsign_t ess, uchar_t *hash,
size_t *hash_len);
extern ELFsign_status_t elfsign_hash_mem_resident(ELFsign_t ess,
uchar_t *hash, size_t *hash_len);
extern ELFsign_status_t elfsign_hash_esa(ELFsign_t ess,
uchar_t *esa_buf, size_t esa_buf_len, uchar_t **hash, size_t *hash_len);
extern void elfsign_buffer_len(ELFsign_t ess, size_t *ip, uchar_t *cp,
enum ES_ACTION action);
extern ELFsign_status_t elfsign_signatures(ELFsign_t ess,
struct filesignatures **fspp, size_t *fs_len, enum ES_ACTION action);
extern char const *elfsign_strerror(ELFsign_status_t);
extern boolean_t elfsign_sig_info(struct filesignatures *fssp,
struct ELFsign_sig_info **esipp);
extern void elfsign_sig_info_free(struct ELFsign_sig_info *);
extern ELFsign_t elfsign_new_ess(void);
/*
* ELF "Certificate Library"
*/
extern const char _PATH_ELFSIGN_CERTS[];
#define ELFCERT_MAX_DN_LEN 255
typedef struct ELFCert_s *ELFCert_t;
extern boolean_t elfcertlib_init(ELFsign_t, char *);
extern boolean_t elfcertlib_getcert(ELFsign_t ess, char *cert_pathname,
char *signer_DN, ELFCert_t *certp, enum ES_ACTION action);
extern void elfcertlib_releasecert(ELFsign_t, ELFCert_t);
extern char *elfcertlib_getdn(ELFCert_t cert);
extern char *elfcertlib_getissuer(ELFCert_t cert);
extern boolean_t elfcertlib_loadprivatekey(ELFsign_t ess, ELFCert_t cert,
const char *path);
extern boolean_t elfcertlib_loadtokenkey(ELFsign_t ess, ELFCert_t cert,
const char *token_id, const char *pin);
extern boolean_t elfcertlib_sign(ELFsign_t ess, ELFCert_t cert,
const uchar_t *data, size_t data_len, uchar_t *sig,
size_t *sig_len);
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_CRYPTO_ELFSIGN_H */
|
