main.c (7d82f0f819f2fde1c321b8ac4ff15e494c5eb4b1) main.c (b1efbcd6740f24e4bce347c64e48d9b74b472c67)
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

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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/*
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

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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.
22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26/*
27 * lofiadm - administer lofi(7d). Very simple, add and remove file<->device
28 * associations, and display status. All the ioctls are private between
29 * lofi and lofiadm, and so are very simple - device information is
30 * communicated via a minor number.

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49#include <ctype.h>
50#include <dlfcn.h>
51#include <limits.h>
52#include <security/cryptoki.h>
53#include <cryptoutil.h>
54#include <sys/crypto/ioctl.h>
55#include <sys/crypto/ioctladmin.h>
56#include "utils.h"
23 * Use is subject to license terms.
24 */
25
26/*
27 * lofiadm - administer lofi(7d). Very simple, add and remove file<->device
28 * associations, and display status. All the ioctls are private between
29 * lofi and lofiadm, and so are very simple - device information is
30 * communicated via a minor number.

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49#include <ctype.h>
50#include <dlfcn.h>
51#include <limits.h>
52#include <security/cryptoki.h>
53#include <cryptoutil.h>
54#include <sys/crypto/ioctl.h>
55#include <sys/crypto/ioctladmin.h>
56#include "utils.h"
57#include <LzmaEnc.h>
57
58/* Only need the IV len #defines out of these files, nothing else. */
59#include <aes/aes_impl.h>
60#include <des/des_impl.h>
61#include <blowfish/blowfish_impl.h>
62
63static const char USAGE[] =
64 "Usage: %s -a file [ device ] "
65 " [-c aes-128-cbc|aes-192-cbc|aes-256-cbc|des3-cbc|blowfish-cbc]"
66 " [-e] [-k keyfile] [-T [token]:[manuf]:[serial]:key]\n"
67 " %s -d file | device\n"
58
59/* Only need the IV len #defines out of these files, nothing else. */
60#include <aes/aes_impl.h>
61#include <des/des_impl.h>
62#include <blowfish/blowfish_impl.h>
63
64static const char USAGE[] =
65 "Usage: %s -a file [ device ] "
66 " [-c aes-128-cbc|aes-192-cbc|aes-256-cbc|des3-cbc|blowfish-cbc]"
67 " [-e] [-k keyfile] [-T [token]:[manuf]:[serial]:key]\n"
68 " %s -d file | device\n"
68 " %s -C [algorithm] [-s segment_size] file\n"
69 " %s -C [gzip|gzip-6|gzip-9|lzma] [-s segment_size] file\n"
69 " %s -U file\n"
70 " %s [ file | device ]\n";
71
72typedef struct token_spec {
73 char *name;
74 char *mfr;
75 char *serno;
76 char *key;

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115#define DEFAULT_CIPHER (&mech_aliases[0])
116
117#define DEFAULT_CIPHER_NUM 64 /* guess # kernel ciphers available */
118#define DEFAULT_MECHINFO_NUM 16 /* guess # kernel mechs available */
119#define MIN_PASSLEN 8 /* min acceptable passphrase size */
120
121static int gzip_compress(void *src, size_t srclen, void *dst,
122 size_t *destlen, int level);
70 " %s -U file\n"
71 " %s [ file | device ]\n";
72
73typedef struct token_spec {
74 char *name;
75 char *mfr;
76 char *serno;
77 char *key;

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116#define DEFAULT_CIPHER (&mech_aliases[0])
117
118#define DEFAULT_CIPHER_NUM 64 /* guess # kernel ciphers available */
119#define DEFAULT_MECHINFO_NUM 16 /* guess # kernel mechs available */
120#define MIN_PASSLEN 8 /* min acceptable passphrase size */
121
122static int gzip_compress(void *src, size_t srclen, void *dst,
123 size_t *destlen, int level);
124static int lzma_compress(void *src, size_t srclen, void *dst,
125 size_t *destlen, int level);
123
124lofi_compress_info_t lofi_compress_table[LOFI_COMPRESS_FUNCTIONS] = {
126
127lofi_compress_info_t lofi_compress_table[LOFI_COMPRESS_FUNCTIONS] = {
125 {NULL, gzip_compress, 6, "gzip"}, /* default */
126 {NULL, gzip_compress, 6, "gzip-6"},
127 {NULL, gzip_compress, 9, "gzip-9"}
128 {NULL, gzip_compress, 6, "gzip"}, /* default */
129 {NULL, gzip_compress, 6, "gzip-6"},
130 {NULL, gzip_compress, 9, "gzip-9"},
131 {NULL, lzma_compress, 0, "lzma"}
128};
129
130/* For displaying lofi mappings */
131#define FORMAT "%-20s %-30s %s\n"
132
133#define COMPRESS_ALGORITHM "gzip"
134#define COMPRESS_THRESHOLD 2048
135#define SEGSIZE 131072
136#define BLOCK_SIZE 512
137#define KILOBYTE 1024
138#define MEGABYTE (KILOBYTE * KILOBYTE)
139#define GIGABYTE (KILOBYTE * MEGABYTE)
140#define LIBZ "libz.so"
141
132};
133
134/* For displaying lofi mappings */
135#define FORMAT "%-20s %-30s %s\n"
136
137#define COMPRESS_ALGORITHM "gzip"
138#define COMPRESS_THRESHOLD 2048
139#define SEGSIZE 131072
140#define BLOCK_SIZE 512
141#define KILOBYTE 1024
142#define MEGABYTE (KILOBYTE * KILOBYTE)
143#define GIGABYTE (KILOBYTE * MEGABYTE)
144#define LIBZ "libz.so"
145
142static int (*compress2p)(void *, ulong_t *, void *, size_t, int) = NULL;
146static void
147usage(const char *pname)
148{
149 (void) fprintf(stderr, gettext(USAGE), pname, pname, pname,
150 pname, pname);
151 exit(E_USAGE);
152}
143
153
144static int gzip_compress(void *src, size_t srclen, void *dst,
145 size_t *dstlen, int level)
154static int
155gzip_compress(void *src, size_t srclen, void *dst, size_t *dstlen, int level)
146{
156{
157 static int (*compress2p)(void *, ulong_t *, void *, size_t, int) = NULL;
147 void *libz_hdl = NULL;
148
149 /*
150 * The first time we are called, attempt to dlopen()
151 * libz.so and get a pointer to the compress2() function
152 */
153 if (compress2p == NULL) {
154 if ((libz_hdl = openlib(LIBZ)) == NULL)

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164 }
165 }
166
167 if ((*compress2p)(dst, (ulong_t *)dstlen, src, srclen, level) != 0)
168 return (-1);
169 return (0);
170}
171
158 void *libz_hdl = NULL;
159
160 /*
161 * The first time we are called, attempt to dlopen()
162 * libz.so and get a pointer to the compress2() function
163 */
164 if (compress2p == NULL) {
165 if ((libz_hdl = openlib(LIBZ)) == NULL)

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175 }
176 }
177
178 if ((*compress2p)(dst, (ulong_t *)dstlen, src, srclen, level) != 0)
179 return (-1);
180 return (0);
181}
182
183/*ARGSUSED*/
172static void
184static void
173usage(const char *pname)
185*SzAlloc(void *p, size_t size)
174{
186{
175 (void) fprintf(stderr, gettext(USAGE), pname, pname, pname,
176 pname, pname);
177 exit(E_USAGE);
187 return (malloc(size));
178}
179
188}
189
190/*ARGSUSED*/
191static void
192SzFree(void *p, void *address, size_t size)
193{
194 free(address);
195}
196
197static ISzAlloc g_Alloc = {
198 SzAlloc,
199 SzFree
200};
201
202#define LZMA_UNCOMPRESSED_SIZE 8
203#define LZMA_HEADER_SIZE (LZMA_PROPS_SIZE + LZMA_UNCOMPRESSED_SIZE)
204
205/*ARGSUSED*/
206static int
207lzma_compress(void *src, size_t srclen, void *dst,
208 size_t *dstlen, int level)
209{
210 CLzmaEncProps props;
211 size_t outsize2;
212 size_t outsizeprocessed;
213 size_t outpropssize = LZMA_PROPS_SIZE;
214 uint64_t t = 0;
215 SRes res;
216 Byte *dstp;
217 int i;
218
219 outsize2 = *dstlen;
220
221 LzmaEncProps_Init(&props);
222
223 /*
224 * The LZMA compressed file format is as follows -
225 *
226 * Offset Size(bytes) Description
227 * 0 1 LZMA properties (lc, lp, lp (encoded))
228 * 1 4 Dictionary size (little endian)
229 * 5 8 Uncompressed size (little endian)
230 * 13 Compressed data
231 */
232
233 /* set the dictionary size to be 8MB */
234 props.dictSize = 1 << 23;
235
236 if (*dstlen < LZMA_HEADER_SIZE)
237 return (SZ_ERROR_OUTPUT_EOF);
238
239 dstp = (Byte *)dst;
240 t = srclen;
241 /*
242 * Set the uncompressed size in the LZMA header
243 * The LZMA properties (specified in 'props')
244 * will be set by the call to LzmaEncode()
245 */
246 for (i = 0; i < LZMA_UNCOMPRESSED_SIZE; i++, t >>= 8) {
247 dstp[LZMA_PROPS_SIZE + i] = (Byte)t;
248 }
249
250 outsizeprocessed = outsize2 - LZMA_HEADER_SIZE;
251 res = LzmaEncode(dstp + LZMA_HEADER_SIZE, &outsizeprocessed,
252 src, srclen, &props, dstp, &outpropssize, 0, NULL,
253 &g_Alloc, &g_Alloc);
254
255 if (res != 0)
256 return (-1);
257
258 *dstlen = outsizeprocessed + LZMA_HEADER_SIZE;
259 return (0);
260}
261
180/*
181 * Translate a lofi device name to a minor number. We might be asked
182 * to do this when there is no association (such as when the user specifies
183 * a particular device), so we can only look at the string.
184 */
185static int
186name_to_minor(const char *devicename)
187{

--- 1755 unchanged lines hidden --- 		262/*
263 * Translate a lofi device name to a minor number. We might be asked
264 * to do this when there is no association (such as when the user specifies
265 * a particular device), so we can only look at the string.
266 */
267static int
268name_to_minor(const char *devicename)
269{

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