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 2009 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 * Copyright 2012 Joyent, Inc. All rights reserved.
25 *
26 * Copyright 2013 Nexenta Systems, Inc. All rights reserved.
27 * Copyright (c) 2014 Gary Mills
28 */
29
30 /*
31 * lofiadm - administer lofi(7d). Very simple, add and remove file<->device
32 * associations, and display status. All the ioctls are private between
33 * lofi and lofiadm, and so are very simple - device information is
34 * communicated via a minor number.
35 */
36
37 #include <sys/types.h>
38 #include <sys/param.h>
39 #include <sys/lofi.h>
40 #include <sys/stat.h>
41 #include <sys/sysmacros.h>
42 #include <netinet/in.h>
43 #include <stdio.h>
44 #include <fcntl.h>
45 #include <locale.h>
46 #include <string.h>
47 #include <strings.h>
48 #include <errno.h>
49 #include <stdlib.h>
50 #include <unistd.h>
51 #include <stropts.h>
52 #include <libdevinfo.h>
53 #include <libgen.h>
54 #include <ctype.h>
55 #include <dlfcn.h>
56 #include <limits.h>
57 #include <security/cryptoki.h>
58 #include <cryptoutil.h>
59 #include <sys/crypto/ioctl.h>
60 #include <sys/crypto/ioctladmin.h>
61 #include "utils.h"
62 #include <LzmaEnc.h>
63
64 /* Only need the IV len #defines out of these files, nothing else. */
65 #include <aes/aes_impl.h>
66 #include <des/des_impl.h>
67 #include <blowfish/blowfish_impl.h>
68
69 static const char USAGE[] =
70 "Usage: %s [-r] -a file [ device ]\n"
71 " %s [-r] -c crypto_algorithm -a file [device]\n"
72 " %s [-r] -c crypto_algorithm -k raw_key_file -a file [device]\n"
73 " %s [-r] -c crypto_algorithm -T [token]:[manuf]:[serial]:key "
74 "-a file [device]\n"
75 " %s [-r] -c crypto_algorithm -T [token]:[manuf]:[serial]:key "
76 "-k wrapped_key_file -a file [device]\n"
77 " %s [-r] -c crypto_algorithm -e -a file [device]\n"
78 " %s -d file | device\n"
79 " %s -C [gzip|gzip-6|gzip-9|lzma] [-s segment_size] file\n"
80 " %s -U file\n"
81 " %s [ file | device ]\n";
82
83 typedef struct token_spec {
84 char *name;
85 char *mfr;
86 char *serno;
87 char *key;
88 } token_spec_t;
89
90 typedef struct mech_alias {
91 char *alias;
92 CK_MECHANISM_TYPE type;
93 char *name; /* for ioctl */
94 char *iv_name; /* for ioctl */
95 size_t iv_len; /* for ioctl */
96 iv_method_t iv_type; /* for ioctl */
97 size_t min_keysize; /* in bytes */
98 size_t max_keysize; /* in bytes */
99 token_spec_t *token;
100 CK_SLOT_ID slot;
101 } mech_alias_t;
102
103 static mech_alias_t mech_aliases[] = {
104 /* Preferred one should always be listed first. */
105 { "aes-256-cbc", CKM_AES_CBC, "CKM_AES_CBC", "CKM_AES_ECB", AES_IV_LEN,
106 IVM_ENC_BLKNO, ULONG_MAX, 0L, NULL, (CK_SLOT_ID) -1 },
107 { "aes-192-cbc", CKM_AES_CBC, "CKM_AES_CBC", "CKM_AES_ECB", AES_IV_LEN,
108 IVM_ENC_BLKNO, ULONG_MAX, 0L, NULL, (CK_SLOT_ID) -1 },
109 { "aes-128-cbc", CKM_AES_CBC, "CKM_AES_CBC", "CKM_AES_ECB", AES_IV_LEN,
110 IVM_ENC_BLKNO, ULONG_MAX, 0L, NULL, (CK_SLOT_ID) -1 },
111 { "des3-cbc", CKM_DES3_CBC, "CKM_DES3_CBC", "CKM_DES3_ECB", DES_IV_LEN,
112 IVM_ENC_BLKNO, ULONG_MAX, 0L, NULL, (CK_SLOT_ID)-1 },
113 { "blowfish-cbc", CKM_BLOWFISH_CBC, "CKM_BLOWFISH_CBC",
114 "CKM_BLOWFISH_ECB", BLOWFISH_IV_LEN, IVM_ENC_BLKNO, ULONG_MAX,
115 0L, NULL, (CK_SLOT_ID)-1 }
116 /*
117 * A cipher without an iv requirement would look like this:
118 * { "aes-xex", CKM_AES_XEX, "CKM_AES_XEX", NULL, 0,
119 * IVM_NONE, ULONG_MAX, 0L, NULL, (CK_SLOT_ID)-1 }
120 */
121 };
122
123 int mech_aliases_count = (sizeof (mech_aliases) / sizeof (mech_alias_t));
124
125 /* Preferred cipher, if one isn't specified on command line. */
126 #define DEFAULT_CIPHER (&mech_aliases[0])
127
128 #define DEFAULT_CIPHER_NUM 64 /* guess # kernel ciphers available */
129 #define DEFAULT_MECHINFO_NUM 16 /* guess # kernel mechs available */
130 #define MIN_PASSLEN 8 /* min acceptable passphrase size */
131
132 static int gzip_compress(void *src, size_t srclen, void *dst,
133 size_t *destlen, int level);
134 static int lzma_compress(void *src, size_t srclen, void *dst,
135 size_t *destlen, int level);
136
137 lofi_compress_info_t lofi_compress_table[LOFI_COMPRESS_FUNCTIONS] = {
138 {NULL, gzip_compress, 6, "gzip"}, /* default */
139 {NULL, gzip_compress, 6, "gzip-6"},
140 {NULL, gzip_compress, 9, "gzip-9"},
141 {NULL, lzma_compress, 0, "lzma"}
142 };
143
144 /* For displaying lofi mappings */
145 #define FORMAT "%-20s %-30s %s\n"
146
147 #define COMPRESS_ALGORITHM "gzip"
148 #define COMPRESS_THRESHOLD 2048
149 #define SEGSIZE 131072
150 #define BLOCK_SIZE 512
151 #define KILOBYTE 1024
152 #define MEGABYTE (KILOBYTE * KILOBYTE)
153 #define GIGABYTE (KILOBYTE * MEGABYTE)
154 #define LIBZ "libz.so.1"
155
156 static void
157 usage(const char *pname)
158 {
159 (void) fprintf(stderr, gettext(USAGE), pname, pname, pname,
160 pname, pname, pname, pname, pname, pname, pname);
161 exit(E_USAGE);
162 }
163
164 static int
165 gzip_compress(void *src, size_t srclen, void *dst, size_t *dstlen, int level)
166 {
167 static int (*compress2p)(void *, ulong_t *, void *, size_t, int) = NULL;
168 void *libz_hdl = NULL;
169
170 /*
171 * The first time we are called, attempt to dlopen()
172 * libz.so.1 and get a pointer to the compress2() function
173 */
174 if (compress2p == NULL) {
175 if ((libz_hdl = openlib(LIBZ)) == NULL)
176 die(gettext("could not find %s. "
177 "gzip compression unavailable\n"), LIBZ);
178
179 if ((compress2p =
180 (int (*)(void *, ulong_t *, void *, size_t, int))
181 dlsym(libz_hdl, "compress2")) == NULL) {
182 closelib();
183 die(gettext("could not find the correct %s. "
184 "gzip compression unavailable\n"), LIBZ);
185 }
186 }
187
188 if ((*compress2p)(dst, (ulong_t *)dstlen, src, srclen, level) != 0)
189 return (-1);
190 return (0);
191 }
192
193 /*ARGSUSED*/
194 static void
195 *SzAlloc(void *p, size_t size)
196 {
197 return (malloc(size));
198 }
199
200 /*ARGSUSED*/
201 static void
202 SzFree(void *p, void *address, size_t size)
203 {
204 free(address);
205 }
206
207 static ISzAlloc g_Alloc = {
208 SzAlloc,
209 SzFree
210 };
211
212 #define LZMA_UNCOMPRESSED_SIZE 8
213 #define LZMA_HEADER_SIZE (LZMA_PROPS_SIZE + LZMA_UNCOMPRESSED_SIZE)
214
215 /*ARGSUSED*/
216 static int
217 lzma_compress(void *src, size_t srclen, void *dst,
218 size_t *dstlen, int level)
219 {
220 CLzmaEncProps props;
221 size_t outsize2;
222 size_t outsizeprocessed;
223 size_t outpropssize = LZMA_PROPS_SIZE;
224 uint64_t t = 0;
225 SRes res;
226 Byte *dstp;
227 int i;
228
229 outsize2 = *dstlen;
230
231 LzmaEncProps_Init(&props);
232
233 /*
234 * The LZMA compressed file format is as follows -
235 *
236 * Offset Size(bytes) Description
237 * 0 1 LZMA properties (lc, lp, lp (encoded))
238 * 1 4 Dictionary size (little endian)
239 * 5 8 Uncompressed size (little endian)
240 * 13 Compressed data
241 */
242
243 /* set the dictionary size to be 8MB */
244 props.dictSize = 1 << 23;
245
246 if (*dstlen < LZMA_HEADER_SIZE)
247 return (SZ_ERROR_OUTPUT_EOF);
248
249 dstp = (Byte *)dst;
250 t = srclen;
251 /*
252 * Set the uncompressed size in the LZMA header
253 * The LZMA properties (specified in 'props')
254 * will be set by the call to LzmaEncode()
255 */
256 for (i = 0; i < LZMA_UNCOMPRESSED_SIZE; i++, t >>= 8) {
257 dstp[LZMA_PROPS_SIZE + i] = (Byte)t;
258 }
259
260 outsizeprocessed = outsize2 - LZMA_HEADER_SIZE;
261 res = LzmaEncode(dstp + LZMA_HEADER_SIZE, &outsizeprocessed,
262 src, srclen, &props, dstp, &outpropssize, 0, NULL,
263 &g_Alloc, &g_Alloc);
264
265 if (res != 0)
266 return (-1);
267
268 *dstlen = outsizeprocessed + LZMA_HEADER_SIZE;
269 return (0);
270 }
271
272 /*
273 * Translate a lofi device name to a minor number. We might be asked
274 * to do this when there is no association (such as when the user specifies
275 * a particular device), so we can only look at the string.
276 */
277 static int
278 name_to_minor(const char *devicename)
279 {
280 int minor;
281
282 if (sscanf(devicename, "/dev/" LOFI_BLOCK_NAME "/%d", &minor) == 1) {
283 return (minor);
284 }
285 if (sscanf(devicename, "/dev/" LOFI_CHAR_NAME "/%d", &minor) == 1) {
286 return (minor);
287 }
288 return (0);
289 }
290
291 /*
292 * This might be the first time we've used this minor number. If so,
293 * it might also be that the /dev links are in the process of being created
294 * by devfsadmd (or that they'll be created "soon"). We cannot return
295 * until they're there or the invoker of lofiadm might try to use them
296 * and not find them. This can happen if a shell script is running on
297 * an MP.
298 */
299 static int sleeptime = 2; /* number of seconds to sleep between stat's */
300 static int maxsleep = 120; /* maximum number of seconds to sleep */
301
302 static void
303 wait_until_dev_complete(int minor)
304 {
305 struct stat64 buf;
306 int cursleep;
307 char blkpath[MAXPATHLEN];
308 char charpath[MAXPATHLEN];
309 di_devlink_handle_t hdl;
310
311 (void) snprintf(blkpath, sizeof (blkpath), "/dev/%s/%d",
312 LOFI_BLOCK_NAME, minor);
313 (void) snprintf(charpath, sizeof (charpath), "/dev/%s/%d",
314 LOFI_CHAR_NAME, minor);
315
316 /* Check if links already present */
317 if (stat64(blkpath, &buf) == 0 && stat64(charpath, &buf) == 0)
318 return;
319
320 /* First use di_devlink_init() */
321 if (hdl = di_devlink_init("lofi", DI_MAKE_LINK)) {
322 (void) di_devlink_fini(&hdl);
323 goto out;
324 }
325
326 /*
327 * Under normal conditions, di_devlink_init(DI_MAKE_LINK) above will
328 * only fail if the caller is non-root. In that case, wait for
329 * link creation via sysevents.
330 */
331 for (cursleep = 0; cursleep < maxsleep; cursleep += sleeptime) {
332 if (stat64(blkpath, &buf) == 0 && stat64(charpath, &buf) == 0)
333 return;
334 (void) sleep(sleeptime);
335 }
336
337 /* one last try */
338 out:
339 if (stat64(blkpath, &buf) == -1) {
340 die(gettext("%s was not created"), blkpath);
341 }
342 if (stat64(charpath, &buf) == -1) {
343 die(gettext("%s was not created"), charpath);
344 }
345 }
346
347 /*
348 * Map the file and return the minor number the driver picked for the file
349 * DO NOT use this function if the filename is actually the device name.
350 */
351 static int
352 lofi_map_file(int lfd, struct lofi_ioctl li, const char *filename)
353 {
354 int minor;
355
356 li.li_minor = 0;
357 (void) strlcpy(li.li_filename, filename, sizeof (li.li_filename));
358 minor = ioctl(lfd, LOFI_MAP_FILE, &li);
359 if (minor == -1) {
360 if (errno == ENOTSUP)
361 warn(gettext("encrypting compressed files is "
362 "unsupported"));
363 die(gettext("could not map file %s"), filename);
364 }
365 wait_until_dev_complete(minor);
366 return (minor);
367 }
368
369 /*
370 * Add a device association. If devicename is NULL, let the driver
371 * pick a device.
372 */
373 static void
374 add_mapping(int lfd, const char *devicename, const char *filename,
375 mech_alias_t *cipher, const char *rkey, size_t rksz, boolean_t rdonly)
376 {
377 struct lofi_ioctl li;
378
379 li.li_readonly = rdonly;
380
381 li.li_crypto_enabled = B_FALSE;
382 if (cipher != NULL) {
383 /* set up encryption for mapped file */
384 li.li_crypto_enabled = B_TRUE;
385 (void) strlcpy(li.li_cipher, cipher->name,
386 sizeof (li.li_cipher));
387 if (rksz > sizeof (li.li_key)) {
388 die(gettext("key too large"));
389 }
390 bcopy(rkey, li.li_key, rksz);
391 li.li_key_len = rksz << 3; /* convert to bits */
392
393 li.li_iv_type = cipher->iv_type;
394 li.li_iv_len = cipher->iv_len; /* 0 when no iv needed */
395 switch (cipher->iv_type) {
396 case IVM_ENC_BLKNO:
397 (void) strlcpy(li.li_iv_cipher, cipher->iv_name,
398 sizeof (li.li_iv_cipher));
399 break;
400 case IVM_NONE:
401 /* FALLTHROUGH */
402 default:
403 break;
404 }
405 }
406
407 if (devicename == NULL) {
408 int minor;
409
410 /* pick one via the driver */
411 minor = lofi_map_file(lfd, li, filename);
412 /* if mapping succeeds, print the one picked */
413 (void) printf("/dev/%s/%d\n", LOFI_BLOCK_NAME, minor);
414 return;
415 }
416
417 /* use device we were given */
418 li.li_minor = name_to_minor(devicename);
419 if (li.li_minor == 0) {
420 die(gettext("malformed device name %s\n"), devicename);
421 }
422 (void) strlcpy(li.li_filename, filename, sizeof (li.li_filename));
423
424 /* if device is already in use li.li_minor won't change */
425 if (ioctl(lfd, LOFI_MAP_FILE_MINOR, &li) == -1) {
426 if (errno == ENOTSUP)
427 warn(gettext("encrypting compressed files is "
428 "unsupported"));
429 die(gettext("could not map file %s to %s"), filename,
430 devicename);
431 }
432 wait_until_dev_complete(li.li_minor);
433 }
434
435 /*
436 * Remove an association. Delete by device name if non-NULL, or by
437 * filename otherwise.
438 */
439 static void
440 delete_mapping(int lfd, const char *devicename, const char *filename,
441 boolean_t force)
442 {
443 struct lofi_ioctl li;
444
445 li.li_force = force;
446 li.li_cleanup = B_FALSE;
447
448 if (devicename == NULL) {
449 /* delete by filename */
450 (void) strlcpy(li.li_filename, filename,
451 sizeof (li.li_filename));
452 li.li_minor = 0;
453 if (ioctl(lfd, LOFI_UNMAP_FILE, &li) == -1) {
454 die(gettext("could not unmap file %s"), filename);
455 }
456 return;
457 }
458
459 /* delete by device */
460 li.li_minor = name_to_minor(devicename);
461 if (li.li_minor == 0) {
462 die(gettext("malformed device name %s\n"), devicename);
463 }
464 if (ioctl(lfd, LOFI_UNMAP_FILE_MINOR, &li) == -1) {
465 die(gettext("could not unmap device %s"), devicename);
466 }
467 }
468
469 /*
470 * Show filename given devicename, or devicename given filename.
471 */
472 static void
473 print_one_mapping(int lfd, const char *devicename, const char *filename)
474 {
475 struct lofi_ioctl li;
476
477 if (devicename == NULL) {
478 /* given filename, print devicename */
479 li.li_minor = 0;
480 (void) strlcpy(li.li_filename, filename,
481 sizeof (li.li_filename));
482 if (ioctl(lfd, LOFI_GET_MINOR, &li) == -1) {
483 die(gettext("could not find device for %s"), filename);
484 }
485 (void) printf("/dev/%s/%d\n", LOFI_BLOCK_NAME, li.li_minor);
486 return;
487 }
488
489 /* given devicename, print filename */
490 li.li_minor = name_to_minor(devicename);
491 if (li.li_minor == 0) {
492 die(gettext("malformed device name %s\n"), devicename);
493 }
494 if (ioctl(lfd, LOFI_GET_FILENAME, &li) == -1) {
495 die(gettext("could not find filename for %s"), devicename);
496 }
497 (void) printf("%s\n", li.li_filename);
498 }
499
500 /*
501 * Print the list of all the mappings, including a header.
502 */
503 static void
504 print_mappings(int fd)
505 {
506 struct lofi_ioctl li;
507 int minor;
508 int maxminor;
509 char path[MAXPATHLEN];
510 char options[MAXPATHLEN] = { 0 };
511
512 li.li_minor = 0;
513 if (ioctl(fd, LOFI_GET_MAXMINOR, &li) == -1) {
514 die("ioctl");
515 }
516 maxminor = li.li_minor;
517
518 (void) printf(FORMAT, gettext("Block Device"), gettext("File"),
519 gettext("Options"));
520 for (minor = 1; minor <= maxminor; minor++) {
521 li.li_minor = minor;
522 if (ioctl(fd, LOFI_GET_FILENAME, &li) == -1) {
523 if (errno == ENXIO)
524 continue;
525 warn("ioctl");
526 break;
527 }
528 (void) snprintf(path, sizeof (path), "/dev/%s/%d",
529 LOFI_BLOCK_NAME, minor);
530
531 options[0] = '\0';
532
533 /*
534 * Encrypted lofi and compressed lofi are mutually exclusive.
535 */
536 if (li.li_crypto_enabled)
537 (void) snprintf(options, sizeof (options),
538 gettext("Encrypted"));
539 else if (li.li_algorithm[0] != '\0')
540 (void) snprintf(options, sizeof (options),
541 gettext("Compressed(%s)"), li.li_algorithm);
542 if (li.li_readonly) {
543 if (strlen(options) != 0) {
544 (void) strlcat(options, ",", sizeof (options));
545 (void) strlcat(options, "Readonly",
546 sizeof (options));
547 } else {
548 (void) snprintf(options, sizeof (options),
549 gettext("Readonly"));
550 }
551 }
552 if (strlen(options) == 0)
553 (void) snprintf(options, sizeof (options), "-");
554
555 (void) printf(FORMAT, path, li.li_filename, options);
556 }
557 }
558
559 /*
560 * Verify the cipher selected by user.
561 */
562 static mech_alias_t *
563 ciph2mech(const char *alias)
564 {
565 int i;
566
567 for (i = 0; i < mech_aliases_count; i++) {
568 if (strcasecmp(alias, mech_aliases[i].alias) == 0)
569 return (&mech_aliases[i]);
570 }
571 return (NULL);
572 }
573
574 /*
575 * Verify user selected cipher is also available in kernel.
576 *
577 * While traversing kernel list of mechs, if the cipher is supported in the
578 * kernel for both encryption and decryption, it also picks up the min/max
579 * key size.
580 */
581 static boolean_t
582 kernel_cipher_check(mech_alias_t *cipher)
583 {
584 boolean_t ciph_ok = B_FALSE;
585 boolean_t iv_ok = B_FALSE;
586 int i;
587 int count;
588 crypto_get_mechanism_list_t *kciphers = NULL;
589 crypto_get_all_mechanism_info_t *kinfo = NULL;
590 int fd = -1;
591 size_t keymin;
592 size_t keymax;
593
594 /* if cipher doesn't need iv generating mech, bypass that check now */
595 if (cipher->iv_name == NULL)
596 iv_ok = B_TRUE;
597
598 /* allocate some space for the list of kernel ciphers */
599 count = DEFAULT_CIPHER_NUM;
600 kciphers = malloc(sizeof (crypto_get_mechanism_list_t) +
601 sizeof (crypto_mech_name_t) * (count - 1));
602 if (kciphers == NULL)
603 die(gettext("failed to allocate memory for list of "
604 "kernel mechanisms"));
605 kciphers->ml_count = count;
606
607 /* query crypto device to get list of kernel ciphers */
608 if ((fd = open("/dev/crypto", O_RDWR)) == -1) {
609 warn(gettext("failed to open %s"), "/dev/crypto");
610 goto kcc_out;
611 }
612
613 if (ioctl(fd, CRYPTO_GET_MECHANISM_LIST, kciphers) == -1) {
614 warn(gettext("CRYPTO_GET_MECHANISM_LIST ioctl failed"));
615 goto kcc_out;
616 }
617
618 if (kciphers->ml_return_value == CRYPTO_BUFFER_TOO_SMALL) {
619 count = kciphers->ml_count;
620 free(kciphers);
621 kciphers = malloc(sizeof (crypto_get_mechanism_list_t) +
622 sizeof (crypto_mech_name_t) * (count - 1));
623 if (kciphers == NULL) {
624 warn(gettext("failed to allocate memory for list of "
625 "kernel mechanisms"));
626 goto kcc_out;
627 }
628 kciphers->ml_count = count;
629
630 if (ioctl(fd, CRYPTO_GET_MECHANISM_LIST, kciphers) == -1) {
631 warn(gettext("CRYPTO_GET_MECHANISM_LIST ioctl failed"));
632 goto kcc_out;
633 }
634 }
635
636 if (kciphers->ml_return_value != CRYPTO_SUCCESS) {
637 warn(gettext(
638 "CRYPTO_GET_MECHANISM_LIST ioctl return value = %d\n"),
639 kciphers->ml_return_value);
640 goto kcc_out;
641 }
642
643 /*
644 * scan list of kernel ciphers looking for the selected one and if
645 * it needs an iv generated using another cipher, also look for that
646 * additional cipher to be used for generating the iv
647 */
648 count = kciphers->ml_count;
649 for (i = 0; i < count && !(ciph_ok && iv_ok); i++) {
650 if (!ciph_ok &&
651 strcasecmp(cipher->name, kciphers->ml_list[i]) == 0)
652 ciph_ok = B_TRUE;
653 if (!iv_ok &&
654 strcasecmp(cipher->iv_name, kciphers->ml_list[i]) == 0)
655 iv_ok = B_TRUE;
656 }
657 free(kciphers);
658 kciphers = NULL;
659
660 if (!ciph_ok)
661 warn(gettext("%s mechanism not supported in kernel\n"),
662 cipher->name);
663 if (!iv_ok)
664 warn(gettext("%s mechanism not supported in kernel\n"),
665 cipher->iv_name);
666
667 if (ciph_ok) {
668 /* Get the details about the user selected cipher */
669 count = DEFAULT_MECHINFO_NUM;
670 kinfo = malloc(sizeof (crypto_get_all_mechanism_info_t) +
671 sizeof (crypto_mechanism_info_t) * (count - 1));
672 if (kinfo == NULL) {
673 warn(gettext("failed to allocate memory for "
674 "kernel mechanism info"));
675 goto kcc_out;
676 }
677 kinfo->mi_count = count;
678 (void) strlcpy(kinfo->mi_mechanism_name, cipher->name,
679 CRYPTO_MAX_MECH_NAME);
680
681 if (ioctl(fd, CRYPTO_GET_ALL_MECHANISM_INFO, kinfo) == -1) {
682 warn(gettext(
683 "CRYPTO_GET_ALL_MECHANISM_INFO ioctl failed"));
684 goto kcc_out;
685 }
686
687 if (kinfo->mi_return_value == CRYPTO_BUFFER_TOO_SMALL) {
688 count = kinfo->mi_count;
689 free(kinfo);
690 kinfo = malloc(
691 sizeof (crypto_get_all_mechanism_info_t) +
692 sizeof (crypto_mechanism_info_t) * (count - 1));
693 if (kinfo == NULL) {
694 warn(gettext("failed to allocate memory for "
695 "kernel mechanism info"));
696 goto kcc_out;
697 }
698 kinfo->mi_count = count;
699 (void) strlcpy(kinfo->mi_mechanism_name, cipher->name,
700 CRYPTO_MAX_MECH_NAME);
701
702 if (ioctl(fd, CRYPTO_GET_ALL_MECHANISM_INFO, kinfo) ==
703 -1) {
704 warn(gettext("CRYPTO_GET_ALL_MECHANISM_INFO "
705 "ioctl failed"));
706 goto kcc_out;
707 }
708 }
709
710 if (kinfo->mi_return_value != CRYPTO_SUCCESS) {
711 warn(gettext("CRYPTO_GET_ALL_MECHANISM_INFO ioctl "
712 "return value = %d\n"), kinfo->mi_return_value);
713 goto kcc_out;
714 }
715
716 /* Set key min and max size */
717 count = kinfo->mi_count;
718 i = 0;
719 if (i < count) {
720 keymin = kinfo->mi_list[i].mi_min_key_size;
721 keymax = kinfo->mi_list[i].mi_max_key_size;
722 if (kinfo->mi_list[i].mi_keysize_unit &
723 CRYPTO_KEYSIZE_UNIT_IN_BITS) {
724 keymin = CRYPTO_BITS2BYTES(keymin);
725 keymax = CRYPTO_BITS2BYTES(keymax);
726
727 }
728 cipher->min_keysize = keymin;
729 cipher->max_keysize = keymax;
730 }
731 free(kinfo);
732 kinfo = NULL;
733
734 if (i == count) {
735 (void) close(fd);
736 die(gettext(
737 "failed to find usable %s kernel mechanism, "
738 "use \"cryptoadm list -m\" to find available "
739 "mechanisms\n"),
740 cipher->name);
741 }
742 }
743
744 /* Note: key min/max, unit size, usage for iv cipher are not checked. */
745
746 return (ciph_ok && iv_ok);
747
748 kcc_out:
749 if (kinfo != NULL)
750 free(kinfo);
751 if (kciphers != NULL)
752 free(kciphers);
753 if (fd != -1)
754 (void) close(fd);
755 return (B_FALSE);
756 }
757
758 /*
759 * Break up token spec into its components (non-destructive)
760 */
761 static token_spec_t *
762 parsetoken(char *spec)
763 {
764 #define FLD_NAME 0
765 #define FLD_MANUF 1
766 #define FLD_SERIAL 2
767 #define FLD_LABEL 3
768 #define NFIELDS 4
769 #define nullfield(i) ((field[(i)+1] - field[(i)]) <= 1)
770 #define copyfield(fld, i) \
771 { \
772 int n; \
773 (fld) = NULL; \
774 if ((n = (field[(i)+1] - field[(i)])) > 1) { \
775 if (((fld) = malloc(n)) != NULL) { \
776 (void) strncpy((fld), field[(i)], n); \
777 ((fld))[n - 1] = '\0'; \
778 } \
779 } \
780 }
781
782 int i;
783 char *field[NFIELDS + 1]; /* +1 to catch extra delimiters */
784 token_spec_t *ti = NULL;
785
786 if (spec == NULL)
787 return (NULL);
788
789 /*
790 * Correct format is "[name]:[manuf]:[serial]:key". Can't use
791 * strtok because it treats ":::key" and "key:::" and "key" all
792 * as the same thing, and we can't have the :s compressed away.
793 */
794 field[0] = spec;
795 for (i = 1; i < NFIELDS + 1; i++) {
796 field[i] = strchr(field[i-1], ':');
797 if (field[i] == NULL)
798 break;
799 field[i]++;
800 }
801 if (i < NFIELDS) /* not enough fields */
802 return (NULL);
803 if (field[NFIELDS] != NULL) /* too many fields */
804 return (NULL);
805 field[NFIELDS] = strchr(field[NFIELDS-1], '\0') + 1;
806
807 /* key label can't be empty */
808 if (nullfield(FLD_LABEL))
809 return (NULL);
810
811 ti = malloc(sizeof (token_spec_t));
812 if (ti == NULL)
813 return (NULL);
814
815 copyfield(ti->name, FLD_NAME);
816 copyfield(ti->mfr, FLD_MANUF);
817 copyfield(ti->serno, FLD_SERIAL);
818 copyfield(ti->key, FLD_LABEL);
819
820 /*
821 * If token specified and it only contains a key label, then
822 * search all tokens for the key, otherwise only those with
823 * matching name, mfr, and serno are used.
824 */
825 /*
826 * That's how we'd like it to be, however, if only the key label
827 * is specified, default to using softtoken. It's easier.
828 */
829 if (ti->name == NULL && ti->mfr == NULL && ti->serno == NULL)
830 ti->name = strdup(pkcs11_default_token());
831 return (ti);
832 }
833
834 /*
835 * PBE the passphrase into a raw key
836 */
837 static void
838 getkeyfromuser(mech_alias_t *cipher, char **raw_key, size_t *raw_key_sz)
839 {
840 CK_SESSION_HANDLE sess;
841 CK_RV rv;
842 char *pass = NULL;
843 size_t passlen = 0;
844 void *salt = NULL; /* don't use NULL, see note on salt below */
845 size_t saltlen = 0;
846 CK_KEY_TYPE ktype;
847 void *kvalue;
848 size_t klen;
849
850 /* did init_crypto find a slot that supports this cipher? */
851 if (cipher->slot == (CK_SLOT_ID)-1 || cipher->max_keysize == 0) {
852 rv = CKR_MECHANISM_INVALID;
853 goto cleanup;
854 }
855
856 rv = pkcs11_mech2keytype(cipher->type, &ktype);
857 if (rv != CKR_OK)
858 goto cleanup;
859
860 /*
861 * use the passphrase to generate a PBE PKCS#5 secret key and
862 * retrieve the raw key data to eventually pass it to the kernel;
863 */
864 rv = C_OpenSession(cipher->slot, CKF_SERIAL_SESSION, NULL, NULL, &sess);
865 if (rv != CKR_OK)
866 goto cleanup;
867
868 /* get user passphrase with 8 byte minimum */
869 if (pkcs11_get_pass(NULL, &pass, &passlen, MIN_PASSLEN, B_TRUE) < 0) {
870 die(gettext("passphrases do not match\n"));
871 }
872
873 /*
874 * salt should not be NULL, or else pkcs11_PasswdToKey() will
875 * complain about CKR_MECHANISM_PARAM_INVALID; the following is
876 * to make up for not having a salt until a proper one is used
877 */
878 salt = pass;
879 saltlen = passlen;
880
881 klen = cipher->max_keysize;
882 rv = pkcs11_PasswdToKey(sess, pass, passlen, salt, saltlen, ktype,
883 cipher->max_keysize, &kvalue, &klen);
884
885 (void) C_CloseSession(sess);
886
887 if (rv != CKR_OK) {
888 goto cleanup;
889 }
890
891 /* assert(klen == cipher->max_keysize); */
892 *raw_key_sz = klen;
893 *raw_key = (char *)kvalue;
894 return;
895
896 cleanup:
897 die(gettext("failed to generate %s key from passphrase: %s"),
898 cipher->alias, pkcs11_strerror(rv));
899 }
900
901 /*
902 * Read raw key from file; also handles ephemeral keys.
903 */
904 void
905 getkeyfromfile(const char *pathname, mech_alias_t *cipher, char **key,
906 size_t *ksz)
907 {
908 int fd;
909 struct stat sbuf;
910 boolean_t notplain = B_FALSE;
911 ssize_t cursz;
912 ssize_t nread;
913
914 /* ephemeral keys are just random data */
915 if (pathname == NULL) {
916 *ksz = cipher->max_keysize;
917 *key = malloc(*ksz);
918 if (*key == NULL)
919 die(gettext("failed to allocate memory for"
920 " ephemeral key"));
921 if (pkcs11_get_urandom(*key, *ksz) < 0) {
922 free(*key);
923 die(gettext("failed to get enough random data"));
924 }
925 return;
926 }
927
928 /*
929 * If the remaining section of code didn't also check for secure keyfile
930 * permissions and whether the key is within cipher min and max lengths,
931 * (or, if those things moved out of this block), we could have had:
932 * if (pkcs11_read_data(pathname, key, ksz) < 0)
933 * handle_error();
934 */
935
936 if ((fd = open(pathname, O_RDONLY, 0)) == -1)
937 die(gettext("open of keyfile (%s) failed"), pathname);
938
939 if (fstat(fd, &sbuf) == -1)
940 die(gettext("fstat of keyfile (%s) failed"), pathname);
941
942 if (S_ISREG(sbuf.st_mode)) {
943 if ((sbuf.st_mode & (S_IWGRP | S_IWOTH)) != 0)
944 die(gettext("insecure permissions on keyfile %s\n"),
945 pathname);
946
947 *ksz = sbuf.st_size;
948 if (*ksz < cipher->min_keysize || cipher->max_keysize < *ksz) {
949 warn(gettext("%s: invalid keysize: %d\n"),
950 pathname, (int)*ksz);
951 die(gettext("\t%d <= keysize <= %d\n"),
952 cipher->min_keysize, cipher->max_keysize);
953 }
954 } else {
955 *ksz = cipher->max_keysize;
956 notplain = B_TRUE;
957 }
958
959 *key = malloc(*ksz);
960 if (*key == NULL)
961 die(gettext("failed to allocate memory for key from file"));
962
963 for (cursz = 0, nread = 0; cursz < *ksz; cursz += nread) {
964 nread = read(fd, *key, *ksz);
965 if (nread > 0)
966 continue;
967 /*
968 * nread == 0. If it's not a regular file we were trying to
969 * get the maximum keysize of data possible for this cipher.
970 * But if we've got at least the minimum keysize of data,
971 * round down to the nearest keysize unit and call it good.
972 * If we haven't met the minimum keysize, that's an error.
973 * If it's a regular file, nread = 0 is also an error.
974 */
975 if (nread == 0 && notplain && cursz >= cipher->min_keysize) {
976 *ksz = (cursz / cipher->min_keysize) *
977 cipher->min_keysize;
978 break;
979 }
980 die(gettext("%s: can't read all keybytes"), pathname);
981 }
982 (void) close(fd);
983 }
984
985 /*
986 * Read the raw key from token, or from a file that was wrapped with a
987 * key from token
988 */
989 void
990 getkeyfromtoken(CK_SESSION_HANDLE sess,
991 token_spec_t *token, const char *keyfile, mech_alias_t *cipher,
992 char **raw_key, size_t *raw_key_sz)
993 {
994 CK_RV rv = CKR_OK;
995 CK_BBOOL trueval = B_TRUE;
996 CK_OBJECT_CLASS kclass; /* secret key or RSA private key */
997 CK_KEY_TYPE ktype; /* from selected cipher or CKK_RSA */
998 CK_KEY_TYPE raw_ktype; /* from selected cipher */
999 CK_ATTRIBUTE key_tmpl[] = {
1000 { CKA_CLASS, NULL, 0 }, /* re-used for token key and unwrap */
1001 { CKA_KEY_TYPE, NULL, 0 }, /* ditto */
1002 { CKA_LABEL, NULL, 0 },
1003 { CKA_TOKEN, NULL, 0 },
1004 { CKA_PRIVATE, NULL, 0 }
1005 };
1006 CK_ULONG attrs = sizeof (key_tmpl) / sizeof (CK_ATTRIBUTE);
1007 int i;
1008 char *pass = NULL;
1009 size_t passlen = 0;
1010 CK_OBJECT_HANDLE obj, rawobj;
1011 CK_ULONG num_objs = 1; /* just want to find 1 token key */
1012 CK_MECHANISM unwrap = { CKM_RSA_PKCS, NULL, 0 };
1013 char *rkey;
1014 size_t rksz;
1015
1016 if (token == NULL || token->key == NULL)
1017 return;
1018
1019 /* did init_crypto find a slot that supports this cipher? */
1020 if (cipher->slot == (CK_SLOT_ID)-1 || cipher->max_keysize == 0) {
1021 die(gettext("failed to find any cryptographic provider, "
1022 "use \"cryptoadm list -p\" to find providers: %s\n"),
1023 pkcs11_strerror(CKR_MECHANISM_INVALID));
1024 }
1025
1026 if (pkcs11_get_pass(token->name, &pass, &passlen, 0, B_FALSE) < 0)
1027 die(gettext("unable to get passphrase"));
1028
1029 /* use passphrase to login to token */
1030 if (pass != NULL && passlen > 0) {
1031 rv = C_Login(sess, CKU_USER, (CK_UTF8CHAR_PTR)pass, passlen);
1032 if (rv != CKR_OK) {
1033 die(gettext("cannot login to the token %s: %s\n"),
1034 token->name, pkcs11_strerror(rv));
1035 }
1036 }
1037
1038 rv = pkcs11_mech2keytype(cipher->type, &raw_ktype);
1039 if (rv != CKR_OK) {
1040 die(gettext("failed to get key type for cipher %s: %s\n"),
1041 cipher->name, pkcs11_strerror(rv));
1042 }
1043
1044 /*
1045 * If no keyfile was given, then the token key is secret key to
1046 * be used for encryption/decryption. Otherwise, the keyfile
1047 * contains a wrapped secret key, and the token is actually the
1048 * unwrapping RSA private key.
1049 */
1050 if (keyfile == NULL) {
1051 kclass = CKO_SECRET_KEY;
1052 ktype = raw_ktype;
1053 } else {
1054 kclass = CKO_PRIVATE_KEY;
1055 ktype = CKK_RSA;
1056 }
1057
1058 /* Find the key in the token first */
1059 for (i = 0; i < attrs; i++) {
1060 switch (key_tmpl[i].type) {
1061 case CKA_CLASS:
1062 key_tmpl[i].pValue = &kclass;
1063 key_tmpl[i].ulValueLen = sizeof (kclass);
1064 break;
1065 case CKA_KEY_TYPE:
1066 key_tmpl[i].pValue = &ktype;
1067 key_tmpl[i].ulValueLen = sizeof (ktype);
1068 break;
1069 case CKA_LABEL:
1070 key_tmpl[i].pValue = token->key;
1071 key_tmpl[i].ulValueLen = strlen(token->key);
1072 break;
1073 case CKA_TOKEN:
1074 key_tmpl[i].pValue = &trueval;
1075 key_tmpl[i].ulValueLen = sizeof (trueval);
1076 break;
1077 case CKA_PRIVATE:
1078 key_tmpl[i].pValue = &trueval;
1079 key_tmpl[i].ulValueLen = sizeof (trueval);
1080 break;
1081 default:
1082 break;
1083 }
1084 }
1085 rv = C_FindObjectsInit(sess, key_tmpl, attrs);
1086 if (rv != CKR_OK)
1087 die(gettext("cannot find key %s: %s\n"), token->key,
1088 pkcs11_strerror(rv));
1089 rv = C_FindObjects(sess, &obj, 1, &num_objs);
1090 (void) C_FindObjectsFinal(sess);
1091
1092 if (num_objs == 0) {
1093 die(gettext("cannot find key %s\n"), token->key);
1094 } else if (rv != CKR_OK) {
1095 die(gettext("cannot find key %s: %s\n"), token->key,
1096 pkcs11_strerror(rv));
1097 }
1098
1099 /*
1100 * No keyfile means when token key is found, convert it to raw key,
1101 * and done. Otherwise still need do an unwrap to create yet another
1102 * obj and that needs to be converted to raw key before we're done.
1103 */
1104 if (keyfile == NULL) {
1105 /* obj contains raw key, extract it */
1106 rv = pkcs11_ObjectToKey(sess, obj, (void **)&rkey, &rksz,
1107 B_FALSE);
1108 if (rv != CKR_OK) {
1109 die(gettext("failed to get key value for %s"
1110 " from token %s, %s\n"), token->key,
1111 token->name, pkcs11_strerror(rv));
1112 }
1113 } else {
1114 getkeyfromfile(keyfile, cipher, &rkey, &rksz);
1115
1116 /*
1117 * Got the wrapping RSA obj and the wrapped key from file.
1118 * Unwrap the key from file with RSA obj to get rawkey obj.
1119 */
1120
1121 /* re-use the first two attributes of key_tmpl */
1122 kclass = CKO_SECRET_KEY;
1123 ktype = raw_ktype;
1124
1125 rv = C_UnwrapKey(sess, &unwrap, obj, (CK_BYTE_PTR)rkey,
1126 rksz, key_tmpl, 2, &rawobj);
1127 if (rv != CKR_OK) {
1128 die(gettext("failed to unwrap key in keyfile %s,"
1129 " %s\n"), keyfile, pkcs11_strerror(rv));
1130 }
1131 /* rawobj contains raw key, extract it */
1132 rv = pkcs11_ObjectToKey(sess, rawobj, (void **)&rkey, &rksz,
1133 B_TRUE);
1134 if (rv != CKR_OK) {
1135 die(gettext("failed to get unwrapped key value for"
1136 " key in keyfile %s, %s\n"), keyfile,
1137 pkcs11_strerror(rv));
1138 }
1139 }
1140
1141 /* validate raw key size */
1142 if (rksz < cipher->min_keysize || cipher->max_keysize < rksz) {
1143 warn(gettext("%s: invalid keysize: %d\n"), keyfile, (int)rksz);
1144 die(gettext("\t%d <= keysize <= %d\n"), cipher->min_keysize,
1145 cipher->max_keysize);
1146 }
1147
1148 *raw_key_sz = rksz;
1149 *raw_key = (char *)rkey;
1150 }
1151
1152 /*
1153 * Set up cipher key limits and verify PKCS#11 can be done
1154 * match_token_cipher is the function pointer used by
1155 * pkcs11_GetCriteriaSession() init_crypto.
1156 */
1157 boolean_t
1158 match_token_cipher(CK_SLOT_ID slot_id, void *args, CK_RV *rv)
1159 {
1160 token_spec_t *token;
1161 mech_alias_t *cipher;
1162 CK_TOKEN_INFO tokinfo;
1163 CK_MECHANISM_INFO mechinfo;
1164 boolean_t token_match;
1165
1166 /*
1167 * While traversing slot list, pick up the following info per slot:
1168 * - if token specified, whether it matches this slot's token info
1169 * - if the slot supports the PKCS#5 PBKD2 cipher
1170 *
1171 * If the user said on the command line
1172 * -T tok:mfr:ser:lab -k keyfile
1173 * -c cipher -T tok:mfr:ser:lab -k keyfile
1174 * the given cipher or the default cipher apply to keyfile,
1175 * If the user said instead
1176 * -T tok:mfr:ser:lab
1177 * -c cipher -T tok:mfr:ser:lab
1178 * the key named "lab" may or may not agree with the given
1179 * cipher or the default cipher. In those cases, cipher will
1180 * be overridden with the actual cipher type of the key "lab".
1181 */
1182 *rv = CKR_FUNCTION_FAILED;
1183
1184 if (args == NULL) {
1185 return (B_FALSE);
1186 }
1187
1188 cipher = (mech_alias_t *)args;
1189 token = cipher->token;
1190
1191 if (C_GetMechanismInfo(slot_id, cipher->type, &mechinfo) != CKR_OK) {
1192 return (B_FALSE);
1193 }
1194
1195 if (token == NULL) {
1196 if (C_GetMechanismInfo(slot_id, CKM_PKCS5_PBKD2, &mechinfo) !=
1197 CKR_OK) {
1198 return (B_FALSE);
1199 }
1200 goto foundit;
1201 }
1202
1203 /* does the token match the token spec? */
1204 if (token->key == NULL || (C_GetTokenInfo(slot_id, &tokinfo) != CKR_OK))
1205 return (B_FALSE);
1206
1207 token_match = B_TRUE;
1208
1209 if (token->name != NULL && (token->name)[0] != '\0' &&
1210 strncmp((char *)token->name, (char *)tokinfo.label,
1211 TOKEN_LABEL_SIZE) != 0)
1212 token_match = B_FALSE;
1213 if (token->mfr != NULL && (token->mfr)[0] != '\0' &&
1214 strncmp((char *)token->mfr, (char *)tokinfo.manufacturerID,
1215 TOKEN_MANUFACTURER_SIZE) != 0)
1216 token_match = B_FALSE;
1217 if (token->serno != NULL && (token->serno)[0] != '\0' &&
1218 strncmp((char *)token->serno, (char *)tokinfo.serialNumber,
1219 TOKEN_SERIAL_SIZE) != 0)
1220 token_match = B_FALSE;
1221
1222 if (!token_match)
1223 return (B_FALSE);
1224
1225 foundit:
1226 cipher->slot = slot_id;
1227 return (B_TRUE);
1228 }
1229
1230 /*
1231 * Clean up crypto loose ends
1232 */
1233 static void
1234 end_crypto(CK_SESSION_HANDLE sess)
1235 {
1236 (void) C_CloseSession(sess);
1237 (void) C_Finalize(NULL);
1238 }
1239
1240 /*
1241 * Set up crypto, opening session on slot that matches token and cipher
1242 */
1243 static void
1244 init_crypto(token_spec_t *token, mech_alias_t *cipher,
1245 CK_SESSION_HANDLE_PTR sess)
1246 {
1247 CK_RV rv;
1248
1249 cipher->token = token;
1250
1251 /* Turn off Metaslot so that we can see actual tokens */
1252 if (setenv("METASLOT_ENABLED", "false", 1) < 0) {
1253 die(gettext("could not disable Metaslot"));
1254 }
1255
1256 rv = pkcs11_GetCriteriaSession(match_token_cipher, (void *)cipher,
1257 sess);
1258 if (rv != CKR_OK) {
1259 end_crypto(*sess);
1260 if (rv == CKR_HOST_MEMORY) {
1261 die("malloc");
1262 }
1263 die(gettext("failed to find any cryptographic provider, "
1264 "use \"cryptoadm list -p\" to find providers: %s\n"),
1265 pkcs11_strerror(rv));
1266 }
1267 }
1268
1269 /*
1270 * Uncompress a file.
1271 *
1272 * First map the file in to establish a device
1273 * association, then read from it. On-the-fly
1274 * decompression will automatically uncompress
1275 * the file if it's compressed
1276 *
1277 * If the file is mapped and a device association
1278 * has been established, disallow uncompressing
1279 * the file until it is unmapped.
1280 */
1281 static void
1282 lofi_uncompress(int lfd, const char *filename)
1283 {
1284 struct lofi_ioctl li;
1285 char buf[MAXBSIZE];
1286 char devicename[32];
1287 char tmpfilename[MAXPATHLEN];
1288 char *x;
1289 char *dir = NULL;
1290 char *file = NULL;
1291 int minor = 0;
1292 struct stat64 statbuf;
1293 int compfd = -1;
1294 int uncompfd = -1;
1295 ssize_t rbytes;
1296
1297 /*
1298 * Disallow uncompressing the file if it is
1299 * already mapped.
1300 */
1301 li.li_crypto_enabled = B_FALSE;
1302 li.li_minor = 0;
1303 (void) strlcpy(li.li_filename, filename, sizeof (li.li_filename));
1304 if (ioctl(lfd, LOFI_GET_MINOR, &li) != -1)
1305 die(gettext("%s must be unmapped before uncompressing"),
1306 filename);
1307
1308 /* Zero length files don't need to be uncompressed */
1309 if (stat64(filename, &statbuf) == -1)
1310 die(gettext("stat: %s"), filename);
1311 if (statbuf.st_size == 0)
1312 return;
1313
1314 minor = lofi_map_file(lfd, li, filename);
1315 (void) snprintf(devicename, sizeof (devicename), "/dev/%s/%d",
1316 LOFI_BLOCK_NAME, minor);
1317
1318 /* If the file isn't compressed, we just return */
1319 if ((ioctl(lfd, LOFI_CHECK_COMPRESSED, &li) == -1) ||
1320 (li.li_algorithm[0] == '\0')) {
1321 delete_mapping(lfd, devicename, filename, B_TRUE);
1322 die("%s is not compressed\n", filename);
1323 }
1324
1325 if ((compfd = open64(devicename, O_RDONLY | O_NONBLOCK)) == -1) {
1326 delete_mapping(lfd, devicename, filename, B_TRUE);
1327 die(gettext("open: %s"), filename);
1328 }
1329 /* Create a temp file in the same directory */
1330 x = strdup(filename);
1331 dir = strdup(dirname(x));
1332 free(x);
1333 x = strdup(filename);
1334 file = strdup(basename(x));
1335 free(x);
1336 (void) snprintf(tmpfilename, sizeof (tmpfilename),
1337 "%s/.%sXXXXXX", dir, file);
1338 free(dir);
1339 free(file);
1340
1341 if ((uncompfd = mkstemp64(tmpfilename)) == -1) {
1342 (void) close(compfd);
1343 delete_mapping(lfd, devicename, filename, B_TRUE);
1344 die("%s could not be uncompressed\n", filename);
1345 }
1346
1347 /*
1348 * Set the mode bits and the owner of this temporary
1349 * file to be that of the original uncompressed file
1350 */
1351 (void) fchmod(uncompfd, statbuf.st_mode);
1352
1353 if (fchown(uncompfd, statbuf.st_uid, statbuf.st_gid) == -1) {
1354 (void) close(compfd);
1355 (void) close(uncompfd);
1356 delete_mapping(lfd, devicename, filename, B_TRUE);
1357 die("%s could not be uncompressed\n", filename);
1358 }
1359
1360 /* Now read from the device in MAXBSIZE-sized chunks */
1361 for (;;) {
1362 rbytes = read(compfd, buf, sizeof (buf));
1363
1364 if (rbytes <= 0)
1365 break;
1366
1367 if (write(uncompfd, buf, rbytes) != rbytes) {
1368 rbytes = -1;
1369 break;
1370 }
1371 }
1372
1373 (void) close(compfd);
1374 (void) close(uncompfd);
1375
1376 /* Delete the mapping */
1377 delete_mapping(lfd, devicename, filename, B_TRUE);
1378
1379 /*
1380 * If an error occured while reading or writing, rbytes will
1381 * be negative
1382 */
1383 if (rbytes < 0) {
1384 (void) unlink(tmpfilename);
1385 die(gettext("could not read from %s"), filename);
1386 }
1387
1388 /* Rename the temp file to the actual file */
1389 if (rename(tmpfilename, filename) == -1)
1390 (void) unlink(tmpfilename);
1391 }
1392
1393 /*
1394 * Compress a file
1395 */
1396 static void
1397 lofi_compress(int *lfd, const char *filename, int compress_index,
1398 uint32_t segsize)
1399 {
1400 struct lofi_ioctl lic;
1401 lofi_compress_info_t *li;
1402 struct flock lock;
1403 char tmpfilename[MAXPATHLEN];
1404 char comp_filename[MAXPATHLEN];
1405 char algorithm[MAXALGLEN];
1406 char *x;
1407 char *dir = NULL, *file = NULL;
1408 uchar_t *uncompressed_seg = NULL;
1409 uchar_t *compressed_seg = NULL;
1410 uint32_t compressed_segsize;
1411 uint32_t len_compressed, count;
1412 uint32_t index_entries, index_sz;
1413 uint64_t *index = NULL;
1414 uint64_t offset;
1415 size_t real_segsize;
1416 struct stat64 statbuf;
1417 int compfd = -1, uncompfd = -1;
1418 int tfd = -1;
1419 ssize_t rbytes, wbytes, lastread;
1420 int i, type;
1421
1422 /*
1423 * Disallow compressing the file if it is
1424 * already mapped
1425 */
1426 lic.li_minor = 0;
1427 (void) strlcpy(lic.li_filename, filename, sizeof (lic.li_filename));
1428 if (ioctl(*lfd, LOFI_GET_MINOR, &lic) != -1)
1429 die(gettext("%s must be unmapped before compressing"),
1430 filename);
1431
1432 /*
1433 * Close the control device so other operations
1434 * can use it
1435 */
1436 (void) close(*lfd);
1437 *lfd = -1;
1438
1439 li = &lofi_compress_table[compress_index];
1440
1441 /*
1442 * The size of the buffer to hold compressed data must
1443 * be slightly larger than the compressed segment size.
1444 *
1445 * The compress functions use part of the buffer as
1446 * scratch space to do calculations.
1447 * Ref: http://www.zlib.net/manual.html#compress2
1448 */
1449 compressed_segsize = segsize + (segsize >> 6);
1450 compressed_seg = (uchar_t *)malloc(compressed_segsize + SEGHDR);
1451 uncompressed_seg = (uchar_t *)malloc(segsize);
1452
1453 if (compressed_seg == NULL || uncompressed_seg == NULL)
1454 die(gettext("No memory"));
1455
1456 if ((uncompfd = open64(filename, O_RDWR|O_LARGEFILE, 0)) == -1)
1457 die(gettext("open: %s"), filename);
1458
1459 lock.l_type = F_WRLCK;
1460 lock.l_whence = SEEK_SET;
1461 lock.l_start = 0;
1462 lock.l_len = 0;
1463
1464 /*
1465 * Use an advisory lock to ensure that only a
1466 * single lofiadm process compresses a given
1467 * file at any given time
1468 *
1469 * A close on the file descriptor automatically
1470 * closes all lock state on the file
1471 */
1472 if (fcntl(uncompfd, F_SETLKW, &lock) == -1)
1473 die(gettext("fcntl: %s"), filename);
1474
1475 if (fstat64(uncompfd, &statbuf) == -1) {
1476 (void) close(uncompfd);
1477 die(gettext("fstat: %s"), filename);
1478 }
1479
1480 /* Zero length files don't need to be compressed */
1481 if (statbuf.st_size == 0) {
1482 (void) close(uncompfd);
1483 return;
1484 }
1485
1486 /*
1487 * Create temporary files in the same directory that
1488 * will hold the intermediate data
1489 */
1490 x = strdup(filename);
1491 dir = strdup(dirname(x));
1492 free(x);
1493 x = strdup(filename);
1494 file = strdup(basename(x));
1495 free(x);
1496 (void) snprintf(tmpfilename, sizeof (tmpfilename),
1497 "%s/.%sXXXXXX", dir, file);
1498 (void) snprintf(comp_filename, sizeof (comp_filename),
1499 "%s/.%sXXXXXX", dir, file);
1500 free(dir);
1501 free(file);
1502
1503 if ((tfd = mkstemp64(tmpfilename)) == -1)
1504 goto cleanup;
1505
1506 if ((compfd = mkstemp64(comp_filename)) == -1)
1507 goto cleanup;
1508
1509 /*
1510 * Set the mode bits and owner of the compressed
1511 * file to be that of the original uncompressed file
1512 */
1513 (void) fchmod(compfd, statbuf.st_mode);
1514
1515 if (fchown(compfd, statbuf.st_uid, statbuf.st_gid) == -1)
1516 goto cleanup;
1517
1518 /*
1519 * Calculate the number of index entries required.
1520 * index entries are stored as an array. adding
1521 * a '2' here accounts for the fact that the last
1522 * segment may not be a multiple of the segment size
1523 */
1524 index_sz = (statbuf.st_size / segsize) + 2;
1525 index = malloc(sizeof (*index) * index_sz);
1526
1527 if (index == NULL)
1528 goto cleanup;
1529
1530 offset = 0;
1531 lastread = segsize;
1532 count = 0;
1533
1534 /*
1535 * Now read from the uncompressed file in 'segsize'
1536 * sized chunks, compress what was read in and
1537 * write it out to a temporary file
1538 */
1539 for (;;) {
1540 rbytes = read(uncompfd, uncompressed_seg, segsize);
1541
1542 if (rbytes <= 0)
1543 break;
1544
1545 if (lastread < segsize)
1546 goto cleanup;
1547
1548 /*
1549 * Account for the first byte that
1550 * indicates whether a segment is
1551 * compressed or not
1552 */
1553 real_segsize = segsize - 1;
1554 (void) li->l_compress(uncompressed_seg, rbytes,
1555 compressed_seg + SEGHDR, &real_segsize, li->l_level);
1556
1557 /*
1558 * If the length of the compressed data is more
1559 * than a threshold then there isn't any benefit
1560 * to be had from compressing this segment - leave
1561 * it uncompressed.
1562 *
1563 * NB. In case an error occurs during compression (above)
1564 * the 'real_segsize' isn't changed. The logic below
1565 * ensures that that segment is left uncompressed.
1566 */
1567 len_compressed = real_segsize;
1568 if (segsize <= COMPRESS_THRESHOLD ||
1569 real_segsize > (segsize - COMPRESS_THRESHOLD)) {
1570 (void) memcpy(compressed_seg + SEGHDR, uncompressed_seg,
1571 rbytes);
1572 type = UNCOMPRESSED;
1573 len_compressed = rbytes;
1574 } else {
1575 type = COMPRESSED;
1576 }
1577
1578 /*
1579 * Set the first byte or the SEGHDR to
1580 * indicate if it's compressed or not
1581 */
1582 *compressed_seg = type;
1583 wbytes = write(tfd, compressed_seg, len_compressed + SEGHDR);
1584 if (wbytes != (len_compressed + SEGHDR)) {
1585 rbytes = -1;
1586 break;
1587 }
1588
1589 index[count] = BE_64(offset);
1590 offset += wbytes;
1591 lastread = rbytes;
1592 count++;
1593 }
1594
1595 (void) close(uncompfd);
1596
1597 if (rbytes < 0)
1598 goto cleanup;
1599 /*
1600 * The last index entry is a sentinel entry. It does not point to
1601 * an actual compressed segment but helps in computing the size of
1602 * the compressed segment. The size of each compressed segment is
1603 * computed by subtracting the current index value from the next
1604 * one (the compressed blocks are stored sequentially)
1605 */
1606 index[count++] = BE_64(offset);
1607
1608 /*
1609 * Now write the compressed data along with the
1610 * header information to this file which will
1611 * later be renamed to the original uncompressed
1612 * file name
1613 *
1614 * The header is as follows -
1615 *
1616 * Signature (name of the compression algorithm)
1617 * Compression segment size (a multiple of 512)
1618 * Number of index entries
1619 * Size of the last block
1620 * The array containing the index entries
1621 *
1622 * the header is always stored in network byte
1623 * order
1624 */
1625 (void) bzero(algorithm, sizeof (algorithm));
1626 (void) strlcpy(algorithm, li->l_name, sizeof (algorithm));
1627 if (write(compfd, algorithm, sizeof (algorithm))
1628 != sizeof (algorithm))
1629 goto cleanup;
1630
1631 segsize = htonl(segsize);
1632 if (write(compfd, &segsize, sizeof (segsize)) != sizeof (segsize))
1633 goto cleanup;
1634
1635 index_entries = htonl(count);
1636 if (write(compfd, &index_entries, sizeof (index_entries)) !=
1637 sizeof (index_entries))
1638 goto cleanup;
1639
1640 lastread = htonl(lastread);
1641 if (write(compfd, &lastread, sizeof (lastread)) != sizeof (lastread))
1642 goto cleanup;
1643
1644 for (i = 0; i < count; i++) {
1645 if (write(compfd, index + i, sizeof (*index)) !=
1646 sizeof (*index))
1647 goto cleanup;
1648 }
1649
1650 /* Header is written, now write the compressed data */
1651 if (lseek(tfd, 0, SEEK_SET) != 0)
1652 goto cleanup;
1653
1654 rbytes = wbytes = 0;
1655
1656 for (;;) {
1657 rbytes = read(tfd, compressed_seg, compressed_segsize + SEGHDR);
1658
1659 if (rbytes <= 0)
1660 break;
1661
1662 if (write(compfd, compressed_seg, rbytes) != rbytes)
1663 goto cleanup;
1664 }
1665
1666 if (fstat64(compfd, &statbuf) == -1)
1667 goto cleanup;
1668
1669 /*
1670 * Round up the compressed file size to be a multiple of
1671 * DEV_BSIZE. lofi(7D) likes it that way.
1672 */
1673 if ((offset = statbuf.st_size % DEV_BSIZE) > 0) {
1674
1675 offset = DEV_BSIZE - offset;
1676
1677 for (i = 0; i < offset; i++)
1678 uncompressed_seg[i] = '\0';
1679 if (write(compfd, uncompressed_seg, offset) != offset)
1680 goto cleanup;
1681 }
1682 (void) close(compfd);
1683 (void) close(tfd);
1684 (void) unlink(tmpfilename);
1685 cleanup:
1686 if (rbytes < 0) {
1687 if (tfd != -1)
1688 (void) unlink(tmpfilename);
1689 if (compfd != -1)
1690 (void) unlink(comp_filename);
1691 die(gettext("error compressing file %s"), filename);
1692 } else {
1693 /* Rename the compressed file to the actual file */
1694 if (rename(comp_filename, filename) == -1) {
1695 (void) unlink(comp_filename);
1696 die(gettext("error compressing file %s"), filename);
1697 }
1698 }
1699 if (compressed_seg != NULL)
1700 free(compressed_seg);
1701 if (uncompressed_seg != NULL)
1702 free(uncompressed_seg);
1703 if (index != NULL)
1704 free(index);
1705 if (compfd != -1)
1706 (void) close(compfd);
1707 if (uncompfd != -1)
1708 (void) close(uncompfd);
1709 if (tfd != -1)
1710 (void) close(tfd);
1711 }
1712
1713 static int
1714 lofi_compress_select(const char *algname)
1715 {
1716 int i;
1717
1718 for (i = 0; i < LOFI_COMPRESS_FUNCTIONS; i++) {
1719 if (strcmp(lofi_compress_table[i].l_name, algname) == 0)
1720 return (i);
1721 }
1722 return (-1);
1723 }
1724
1725 static void
1726 check_algorithm_validity(const char *algname, int *compress_index)
1727 {
1728 *compress_index = lofi_compress_select(algname);
1729 if (*compress_index < 0)
1730 die(gettext("invalid algorithm name: %s\n"), algname);
1731 }
1732
1733 static void
1734 check_file_validity(const char *filename)
1735 {
1736 struct stat64 buf;
1737 int error;
1738 int fd;
1739
1740 fd = open64(filename, O_RDONLY);
1741 if (fd == -1) {
1742 die(gettext("open: %s"), filename);
1743 }
1744 error = fstat64(fd, &buf);
1745 if (error == -1) {
1746 die(gettext("fstat: %s"), filename);
1747 } else if (!S_ISLOFIABLE(buf.st_mode)) {
1748 die(gettext("%s is not a regular file, "
1749 "block, or character device\n"),
1750 filename);
1751 } else if ((buf.st_size % DEV_BSIZE) != 0) {
1752 die(gettext("size of %s is not a multiple of %d\n"),
1753 filename, DEV_BSIZE);
1754 }
1755 (void) close(fd);
1756
1757 if (name_to_minor(filename) != 0) {
1758 die(gettext("cannot use %s on itself\n"), LOFI_DRIVER_NAME);
1759 }
1760 }
1761
1762 static uint32_t
1763 convert_to_num(const char *str)
1764 {
1765 int len;
1766 uint32_t segsize, mult = 1;
1767
1768 len = strlen(str);
1769 if (len && isalpha(str[len - 1])) {
1770 switch (str[len - 1]) {
1771 case 'k':
1772 case 'K':
1773 mult = KILOBYTE;
1774 break;
1775 case 'b':
1776 case 'B':
1777 mult = BLOCK_SIZE;
1778 break;
1779 case 'm':
1780 case 'M':
1781 mult = MEGABYTE;
1782 break;
1783 case 'g':
1784 case 'G':
1785 mult = GIGABYTE;
1786 break;
1787 default:
1788 die(gettext("invalid segment size %s\n"), str);
1789 }
1790 }
1791
1792 segsize = atol(str);
1793 segsize *= mult;
1794
1795 return (segsize);
1796 }
1797
1798 int
1799 main(int argc, char *argv[])
1800 {
1801 int lfd;
1802 int c;
1803 const char *devicename = NULL;
1804 const char *filename = NULL;
1805 const char *algname = COMPRESS_ALGORITHM;
1806 int openflag;
1807 int minor;
1808 int compress_index;
1809 uint32_t segsize = SEGSIZE;
1810 static char *lofictl = "/dev/" LOFI_CTL_NAME;
1811 boolean_t force = B_FALSE;
1812 const char *pname;
1813 boolean_t errflag = B_FALSE;
1814 boolean_t addflag = B_FALSE;
1815 boolean_t rdflag = B_FALSE;
1816 boolean_t deleteflag = B_FALSE;
1817 boolean_t ephflag = B_FALSE;
1818 boolean_t compressflag = B_FALSE;
1819 boolean_t uncompressflag = B_FALSE;
1820 /* the next two work together for -c, -k, -T, -e options only */
1821 boolean_t need_crypto = B_FALSE; /* if any -c, -k, -T, -e */
1822 boolean_t cipher_only = B_TRUE; /* if -c only */
1823 const char *keyfile = NULL;
1824 mech_alias_t *cipher = NULL;
1825 token_spec_t *token = NULL;
1826 char *rkey = NULL;
1827 size_t rksz = 0;
1828 char realfilename[MAXPATHLEN];
1829
1830 pname = getpname(argv[0]);
1831
1832 (void) setlocale(LC_ALL, "");
1833 (void) textdomain(TEXT_DOMAIN);
1834
1835 while ((c = getopt(argc, argv, "a:c:Cd:efk:o:rs:T:U")) != EOF) {
1836 switch (c) {
1837 case 'a':
1838 addflag = B_TRUE;
1839 if ((filename = realpath(optarg, realfilename)) == NULL)
1840 die("%s", optarg);
1841 if (((argc - optind) > 0) && (*argv[optind] != '-')) {
1842 /* optional device */
1843 devicename = argv[optind];
1844 optind++;
1845 }
1846 break;
1847 case 'C':
1848 compressflag = B_TRUE;
1849 if (((argc - optind) > 1) && (*argv[optind] != '-')) {
1850 /* optional algorithm */
1851 algname = argv[optind];
1852 optind++;
1853 }
1854 check_algorithm_validity(algname, &compress_index);
1855 break;
1856 case 'c':
1857 /* is the chosen cipher allowed? */
1858 if ((cipher = ciph2mech(optarg)) == NULL) {
1859 errflag = B_TRUE;
1860 warn(gettext("cipher %s not allowed\n"),
1861 optarg);
1862 }
1863 need_crypto = B_TRUE;
1864 /* cipher_only is already set */
1865 break;
1866 case 'd':
1867 deleteflag = B_TRUE;
1868 minor = name_to_minor(optarg);
1869 if (minor != 0)
1870 devicename = optarg;
1871 else {
1872 if ((filename = realpath(optarg,
1873 realfilename)) == NULL)
1874 die("%s", optarg);
1875 }
1876 break;
1877 case 'e':
1878 ephflag = B_TRUE;
1879 need_crypto = B_TRUE;
1880 cipher_only = B_FALSE; /* need to unset cipher_only */
1881 break;
1882 case 'f':
1883 force = B_TRUE;
1884 break;
1885 case 'k':
1886 keyfile = optarg;
1887 need_crypto = B_TRUE;
1888 cipher_only = B_FALSE; /* need to unset cipher_only */
1889 break;
1890 case 'r':
1891 rdflag = B_TRUE;
1892 break;
1893 case 's':
1894 segsize = convert_to_num(optarg);
1895 if (segsize < DEV_BSIZE || !ISP2(segsize))
1896 die(gettext("segment size %s is invalid "
1897 "or not a multiple of minimum block "
1898 "size %ld\n"), optarg, DEV_BSIZE);
1899 break;
1900 case 'T':
1901 if ((token = parsetoken(optarg)) == NULL) {
1902 errflag = B_TRUE;
1903 warn(
1904 gettext("invalid token key specifier %s\n"),
1905 optarg);
1906 }
1907 need_crypto = B_TRUE;
1908 cipher_only = B_FALSE; /* need to unset cipher_only */
1909 break;
1910 case 'U':
1911 uncompressflag = B_TRUE;
1912 break;
1913 case '?':
1914 default:
1915 errflag = B_TRUE;
1916 break;
1917 }
1918 }
1919
1920 /* Check for mutually exclusive combinations of options */
1921 if (errflag ||
1922 (addflag && deleteflag) ||
1923 (rdflag && !addflag) ||
1924 (!addflag && need_crypto) ||
1925 ((compressflag || uncompressflag) && (addflag || deleteflag)))
1926 usage(pname);
1927
1928 /* ephemeral key, and key from either file or token are incompatible */
1929 if (ephflag && (keyfile != NULL || token != NULL)) {
1930 die(gettext("ephemeral key cannot be used with keyfile"
1931 " or token key\n"));
1932 }
1933
1934 /*
1935 * "-c" but no "-k", "-T", "-e", or "-T -k" means derive key from
1936 * command line passphrase
1937 */
1938
1939 switch (argc - optind) {
1940 case 0: /* no more args */
1941 if (compressflag || uncompressflag) /* needs filename */
1942 usage(pname);
1943 break;
1944 case 1:
1945 if (addflag || deleteflag)
1946 usage(pname);
1947 /* one arg means compress/uncompress the file ... */
1948 if (compressflag || uncompressflag) {
1949 if ((filename = realpath(argv[optind],
1950 realfilename)) == NULL)
1951 die("%s", argv[optind]);
1952 /* ... or without options means print the association */
1953 } else {
1954 minor = name_to_minor(argv[optind]);
1955 if (minor != 0)
1956 devicename = argv[optind];
1957 else {
1958 if ((filename = realpath(argv[optind],
1959 realfilename)) == NULL)
1960 die("%s", argv[optind]);
1961 }
1962 }
1963 break;
1964 default:
1965 usage(pname);
1966 break;
1967 }
1968
1969 if (addflag || compressflag || uncompressflag)
1970 check_file_validity(filename);
1971
1972 if (filename && !valid_abspath(filename))
1973 exit(E_ERROR);
1974
1975 /*
1976 * Here, we know the arguments are correct, the filename is an
1977 * absolute path, it exists and is a regular file. We don't yet
1978 * know that the device name is ok or not.
1979 */
1980
1981 openflag = O_EXCL;
1982 if (addflag || deleteflag || compressflag || uncompressflag)
1983 openflag |= O_RDWR;
1984 else
1985 openflag |= O_RDONLY;
1986 lfd = open(lofictl, openflag);
1987 if (lfd == -1) {
1988 if ((errno == EPERM) || (errno == EACCES)) {
1989 die(gettext("you do not have permission to perform "
1990 "that operation.\n"));
1991 } else {
1992 die(gettext("open: %s"), lofictl);
1993 }
1994 /*NOTREACHED*/
1995 }
1996
1997 /*
1998 * No passphrase is needed for ephemeral key, or when key is
1999 * in a file and not wrapped by another key from a token.
2000 * However, a passphrase is needed in these cases:
2001 * 1. cipher with no ephemeral key, key file, or token,
2002 * in which case the passphrase is used to build the key
2003 * 2. token with an optional cipher or optional key file,
2004 * in which case the passphrase unlocks the token
2005 * If only the cipher is specified, reconfirm the passphrase
2006 * to ensure the user hasn't mis-entered it. Otherwise, the
2007 * token will enforce the token passphrase.
2008 */
2009 if (need_crypto) {
2010 CK_SESSION_HANDLE sess;
2011
2012 /* pick a cipher if none specified */
2013 if (cipher == NULL)
2014 cipher = DEFAULT_CIPHER;
2015
2016 if (!kernel_cipher_check(cipher))
2017 die(gettext(
2018 "use \"cryptoadm list -m\" to find available "
2019 "mechanisms\n"));
2020
2021 init_crypto(token, cipher, &sess);
2022
2023 if (cipher_only) {
2024 getkeyfromuser(cipher, &rkey, &rksz);
2025 } else if (token != NULL) {
2026 getkeyfromtoken(sess, token, keyfile, cipher,
2027 &rkey, &rksz);
2028 } else {
2029 /* this also handles ephemeral keys */
2030 getkeyfromfile(keyfile, cipher, &rkey, &rksz);
2031 }
2032
2033 end_crypto(sess);
2034 }
2035
2036 /*
2037 * Now to the real work.
2038 */
2039 if (addflag)
2040 add_mapping(lfd, devicename, filename, cipher, rkey, rksz,
2041 rdflag);
2042 else if (compressflag)
2043 lofi_compress(&lfd, filename, compress_index, segsize);
2044 else if (uncompressflag)
2045 lofi_uncompress(lfd, filename);
2046 else if (deleteflag)
2047 delete_mapping(lfd, devicename, filename, force);
2048 else if (filename || devicename)
2049 print_one_mapping(lfd, devicename, filename);
2050 else
2051 print_mappings(lfd);
2052
2053 if (lfd != -1)
2054 (void) close(lfd);
2055 closelib();
2056 return (E_SUCCESS);
2057 }