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 * Copyright (c) 2016 Andrey Sokolov
29 */
30
31 /*
32 * lofiadm - administer lofi(7d). Very simple, add and remove file<->device
33 * associations, and display status. All the ioctls are private between
34 * lofi and lofiadm, and so are very simple - device information is
35 * communicated via a minor number.
36 */
37
38 #include <sys/types.h>
39 #include <sys/param.h>
40 #include <sys/lofi.h>
41 #include <sys/stat.h>
42 #include <sys/sysmacros.h>
43 #include <netinet/in.h>
44 #include <stdio.h>
45 #include <fcntl.h>
46 #include <locale.h>
47 #include <string.h>
48 #include <strings.h>
49 #include <errno.h>
50 #include <stdlib.h>
51 #include <unistd.h>
52 #include <stropts.h>
53 #include <libdevinfo.h>
54 #include <libgen.h>
55 #include <ctype.h>
56 #include <dlfcn.h>
57 #include <limits.h>
58 #include <security/cryptoki.h>
59 #include <cryptoutil.h>
60 #include <sys/crypto/ioctl.h>
61 #include <sys/crypto/ioctladmin.h>
62 #include "utils.h"
63 #include <LzmaEnc.h>
64
65 /* Only need the IV len #defines out of these files, nothing else. */
66 #include <aes/aes_impl.h>
67 #include <des/des_impl.h>
68 #include <blowfish/blowfish_impl.h>
69
70 static const char USAGE[] =
71 "Usage: %s [-r] -a file [ device ]\n"
72 " %s [-r] -c crypto_algorithm -a file [device]\n"
73 " %s [-r] -c crypto_algorithm -k raw_key_file -a file [device]\n"
74 " %s [-r] -c crypto_algorithm -T [token]:[manuf]:[serial]:key "
75 "-a file [device]\n"
76 " %s [-r] -c crypto_algorithm -T [token]:[manuf]:[serial]:key "
77 "-k wrapped_key_file -a file [device]\n"
78 " %s [-r] -c crypto_algorithm -e -a file [device]\n"
79 " %s -d file | device\n"
80 " %s -C [gzip|gzip-6|gzip-9|lzma] [-s segment_size] file\n"
81 " %s -U file\n"
82 " %s [ file | device ]\n";
83
84 typedef struct token_spec {
85 char *name;
86 char *mfr;
87 char *serno;
88 char *key;
89 } token_spec_t;
90
91 typedef struct mech_alias {
92 char *alias;
93 CK_MECHANISM_TYPE type;
94 char *name; /* for ioctl */
95 char *iv_name; /* for ioctl */
96 size_t iv_len; /* for ioctl */
97 iv_method_t iv_type; /* for ioctl */
98 size_t min_keysize; /* in bytes */
99 size_t max_keysize; /* in bytes */
100 token_spec_t *token;
101 CK_SLOT_ID slot;
102 } mech_alias_t;
103
104 static mech_alias_t mech_aliases[] = {
105 /* Preferred one should always be listed first. */
106 { "aes-256-cbc", CKM_AES_CBC, "CKM_AES_CBC", "CKM_AES_ECB", AES_IV_LEN,
107 IVM_ENC_BLKNO, ULONG_MAX, 0L, NULL, (CK_SLOT_ID) -1 },
108 { "aes-192-cbc", CKM_AES_CBC, "CKM_AES_CBC", "CKM_AES_ECB", AES_IV_LEN,
109 IVM_ENC_BLKNO, ULONG_MAX, 0L, NULL, (CK_SLOT_ID) -1 },
110 { "aes-128-cbc", CKM_AES_CBC, "CKM_AES_CBC", "CKM_AES_ECB", AES_IV_LEN,
111 IVM_ENC_BLKNO, ULONG_MAX, 0L, NULL, (CK_SLOT_ID) -1 },
112 { "des3-cbc", CKM_DES3_CBC, "CKM_DES3_CBC", "CKM_DES3_ECB", DES_IV_LEN,
113 IVM_ENC_BLKNO, ULONG_MAX, 0L, NULL, (CK_SLOT_ID)-1 },
114 { "blowfish-cbc", CKM_BLOWFISH_CBC, "CKM_BLOWFISH_CBC",
115 "CKM_BLOWFISH_ECB", BLOWFISH_IV_LEN, IVM_ENC_BLKNO, ULONG_MAX,
116 0L, NULL, (CK_SLOT_ID)-1 }
117 /*
118 * A cipher without an iv requirement would look like this:
119 * { "aes-xex", CKM_AES_XEX, "CKM_AES_XEX", NULL, 0,
120 * IVM_NONE, ULONG_MAX, 0L, NULL, (CK_SLOT_ID)-1 }
121 */
122 };
123
124 int mech_aliases_count = (sizeof (mech_aliases) / sizeof (mech_alias_t));
125
126 /* Preferred cipher, if one isn't specified on command line. */
127 #define DEFAULT_CIPHER (&mech_aliases[0])
128
129 #define DEFAULT_CIPHER_NUM 64 /* guess # kernel ciphers available */
130 #define DEFAULT_MECHINFO_NUM 16 /* guess # kernel mechs available */
131 #define MIN_PASSLEN 8 /* min acceptable passphrase size */
132
133 static int gzip_compress(void *src, size_t srclen, void *dst,
134 size_t *destlen, int level);
135 static int lzma_compress(void *src, size_t srclen, void *dst,
136 size_t *destlen, int level);
137
138 lofi_compress_info_t lofi_compress_table[LOFI_COMPRESS_FUNCTIONS] = {
139 {NULL, gzip_compress, 6, "gzip"}, /* default */
140 {NULL, gzip_compress, 6, "gzip-6"},
141 {NULL, gzip_compress, 9, "gzip-9"},
142 {NULL, lzma_compress, 0, "lzma"}
143 };
144
145 /* For displaying lofi mappings */
146 #define FORMAT "%-20s %-30s %s\n"
147
148 #define COMPRESS_ALGORITHM "gzip"
149 #define COMPRESS_THRESHOLD 2048
150 #define SEGSIZE 131072
151 #define BLOCK_SIZE 512
152 #define KILOBYTE 1024
153 #define MEGABYTE (KILOBYTE * KILOBYTE)
154 #define GIGABYTE (KILOBYTE * MEGABYTE)
155 #define LIBZ "libz.so.1"
156
157 static void
158 usage(const char *pname)
159 {
160 (void) fprintf(stderr, gettext(USAGE), pname, pname, pname,
161 pname, pname, pname, pname, pname, pname, pname);
162 exit(E_USAGE);
163 }
164
165 static int
166 gzip_compress(void *src, size_t srclen, void *dst, size_t *dstlen, int level)
167 {
168 static int (*compress2p)(void *, ulong_t *, void *, size_t, int) = NULL;
169 void *libz_hdl = NULL;
170
171 /*
172 * The first time we are called, attempt to dlopen()
173 * libz.so.1 and get a pointer to the compress2() function
174 */
175 if (compress2p == NULL) {
176 if ((libz_hdl = openlib(LIBZ)) == NULL)
177 die(gettext("could not find %s. "
178 "gzip compression unavailable\n"), LIBZ);
179
180 if ((compress2p =
181 (int (*)(void *, ulong_t *, void *, size_t, int))
182 dlsym(libz_hdl, "compress2")) == NULL) {
183 closelib();
184 die(gettext("could not find the correct %s. "
185 "gzip compression unavailable\n"), LIBZ);
186 }
187 }
188
189 if ((*compress2p)(dst, (ulong_t *)dstlen, src, srclen, level) != 0)
190 return (-1);
191 return (0);
192 }
193
194 /*ARGSUSED*/
195 static void
196 *SzAlloc(void *p, size_t size)
197 {
198 return (malloc(size));
199 }
200
201 /*ARGSUSED*/
202 static void
203 SzFree(void *p, void *address, size_t size)
204 {
205 free(address);
206 }
207
208 static ISzAlloc g_Alloc = {
209 SzAlloc,
210 SzFree
211 };
212
213 #define LZMA_UNCOMPRESSED_SIZE 8
214 #define LZMA_HEADER_SIZE (LZMA_PROPS_SIZE + LZMA_UNCOMPRESSED_SIZE)
215
216 /*ARGSUSED*/
217 static int
218 lzma_compress(void *src, size_t srclen, void *dst,
219 size_t *dstlen, int level)
220 {
221 CLzmaEncProps props;
222 size_t outsize2;
223 size_t outsizeprocessed;
224 size_t outpropssize = LZMA_PROPS_SIZE;
225 uint64_t t = 0;
226 SRes res;
227 Byte *dstp;
228 int i;
229
230 outsize2 = *dstlen;
231
232 LzmaEncProps_Init(&props);
233
234 /*
235 * The LZMA compressed file format is as follows -
236 *
237 * Offset Size(bytes) Description
238 * 0 1 LZMA properties (lc, lp, lp (encoded))
239 * 1 4 Dictionary size (little endian)
240 * 5 8 Uncompressed size (little endian)
241 * 13 Compressed data
242 */
243
244 /* set the dictionary size to be 8MB */
245 props.dictSize = 1 << 23;
246
247 if (*dstlen < LZMA_HEADER_SIZE)
248 return (SZ_ERROR_OUTPUT_EOF);
249
250 dstp = (Byte *)dst;
251 t = srclen;
252 /*
253 * Set the uncompressed size in the LZMA header
254 * The LZMA properties (specified in 'props')
255 * will be set by the call to LzmaEncode()
256 */
257 for (i = 0; i < LZMA_UNCOMPRESSED_SIZE; i++, t >>= 8) {
258 dstp[LZMA_PROPS_SIZE + i] = (Byte)t;
259 }
260
261 outsizeprocessed = outsize2 - LZMA_HEADER_SIZE;
262 res = LzmaEncode(dstp + LZMA_HEADER_SIZE, &outsizeprocessed,
263 src, srclen, &props, dstp, &outpropssize, 0, NULL,
264 &g_Alloc, &g_Alloc);
265
266 if (res != 0)
267 return (-1);
268
269 *dstlen = outsizeprocessed + LZMA_HEADER_SIZE;
270 return (0);
271 }
272
273 /*
274 * Translate a lofi device name to a minor number. We might be asked
275 * to do this when there is no association (such as when the user specifies
276 * a particular device), so we can only look at the string.
277 */
278 static int
279 name_to_minor(const char *devicename)
280 {
281 int minor;
282
283 if (sscanf(devicename, "/dev/" LOFI_BLOCK_NAME "/%d", &minor) == 1) {
284 return (minor);
285 }
286 if (sscanf(devicename, "/dev/" LOFI_CHAR_NAME "/%d", &minor) == 1) {
287 return (minor);
288 }
289 return (0);
290 }
291
292 /*
293 * This might be the first time we've used this minor number. If so,
294 * it might also be that the /dev links are in the process of being created
295 * by devfsadmd (or that they'll be created "soon"). We cannot return
296 * until they're there or the invoker of lofiadm might try to use them
297 * and not find them. This can happen if a shell script is running on
298 * an MP.
299 */
300 static int sleeptime = 2; /* number of seconds to sleep between stat's */
301 static int maxsleep = 120; /* maximum number of seconds to sleep */
302
303 static void
304 wait_until_dev_complete(int minor)
305 {
306 struct stat64 buf;
307 int cursleep;
308 char blkpath[MAXPATHLEN];
309 char charpath[MAXPATHLEN];
310 di_devlink_handle_t hdl;
311
312 (void) snprintf(blkpath, sizeof (blkpath), "/dev/%s/%d",
313 LOFI_BLOCK_NAME, minor);
314 (void) snprintf(charpath, sizeof (charpath), "/dev/%s/%d",
315 LOFI_CHAR_NAME, minor);
316
317 /* Check if links already present */
318 if (stat64(blkpath, &buf) == 0 && stat64(charpath, &buf) == 0)
319 return;
320
321 /* First use di_devlink_init() */
322 if (hdl = di_devlink_init("lofi", DI_MAKE_LINK)) {
323 (void) di_devlink_fini(&hdl);
324 goto out;
325 }
326
327 /*
328 * Under normal conditions, di_devlink_init(DI_MAKE_LINK) above will
329 * only fail if the caller is non-root. In that case, wait for
330 * link creation via sysevents.
331 */
332 for (cursleep = 0; cursleep < maxsleep; cursleep += sleeptime) {
333 if (stat64(blkpath, &buf) == 0 && stat64(charpath, &buf) == 0)
334 return;
335 (void) sleep(sleeptime);
336 }
337
338 /* one last try */
339 out:
340 if (stat64(blkpath, &buf) == -1) {
341 die(gettext("%s was not created"), blkpath);
342 }
343 if (stat64(charpath, &buf) == -1) {
344 die(gettext("%s was not created"), charpath);
345 }
346 }
347
348 /*
349 * Map the file and return the minor number the driver picked for the file
350 * DO NOT use this function if the filename is actually the device name.
351 */
352 static int
353 lofi_map_file(int lfd, struct lofi_ioctl li, const char *filename)
354 {
355 int minor;
356
357 li.li_minor = 0;
358 (void) strlcpy(li.li_filename, filename, sizeof (li.li_filename));
359 minor = ioctl(lfd, LOFI_MAP_FILE, &li);
360 if (minor == -1) {
361 if (errno == ENOTSUP)
362 warn(gettext("encrypting compressed files is "
363 "unsupported"));
364 die(gettext("could not map file %s"), filename);
365 }
366 wait_until_dev_complete(minor);
367 return (minor);
368 }
369
370 /*
371 * Add a device association. If devicename is NULL, let the driver
372 * pick a device.
373 */
374 static void
375 add_mapping(int lfd, const char *devicename, const char *filename,
376 mech_alias_t *cipher, const char *rkey, size_t rksz, boolean_t rdonly)
377 {
378 struct lofi_ioctl li;
379
380 li.li_readonly = rdonly;
381
382 li.li_crypto_enabled = B_FALSE;
383 if (cipher != NULL) {
384 /* set up encryption for mapped file */
385 li.li_crypto_enabled = B_TRUE;
386 (void) strlcpy(li.li_cipher, cipher->name,
387 sizeof (li.li_cipher));
388 if (rksz > sizeof (li.li_key)) {
389 die(gettext("key too large"));
390 }
391 bcopy(rkey, li.li_key, rksz);
392 li.li_key_len = rksz << 3; /* convert to bits */
393
394 li.li_iv_type = cipher->iv_type;
395 li.li_iv_len = cipher->iv_len; /* 0 when no iv needed */
396 switch (cipher->iv_type) {
397 case IVM_ENC_BLKNO:
398 (void) strlcpy(li.li_iv_cipher, cipher->iv_name,
399 sizeof (li.li_iv_cipher));
400 break;
401 case IVM_NONE:
402 /* FALLTHROUGH */
403 default:
404 break;
405 }
406 }
407
408 if (devicename == NULL) {
409 int minor;
410
411 /* pick one via the driver */
412 minor = lofi_map_file(lfd, li, filename);
413 /* if mapping succeeds, print the one picked */
414 (void) printf("/dev/%s/%d\n", LOFI_BLOCK_NAME, minor);
415 return;
416 }
417
418 /* use device we were given */
419 li.li_minor = name_to_minor(devicename);
420 if (li.li_minor == 0) {
421 die(gettext("malformed device name %s\n"), devicename);
422 }
423 (void) strlcpy(li.li_filename, filename, sizeof (li.li_filename));
424
425 /* if device is already in use li.li_minor won't change */
426 if (ioctl(lfd, LOFI_MAP_FILE_MINOR, &li) == -1) {
427 if (errno == ENOTSUP)
428 warn(gettext("encrypting compressed files is "
429 "unsupported"));
430 die(gettext("could not map file %s to %s"), filename,
431 devicename);
432 }
433 wait_until_dev_complete(li.li_minor);
434 }
435
436 /*
437 * Remove an association. Delete by device name if non-NULL, or by
438 * filename otherwise.
439 */
440 static void
441 delete_mapping(int lfd, const char *devicename, const char *filename,
442 boolean_t force)
443 {
444 struct lofi_ioctl li;
445
446 li.li_force = force;
447 li.li_cleanup = B_FALSE;
448
449 if (devicename == NULL) {
450 /* delete by filename */
451 (void) strlcpy(li.li_filename, filename,
452 sizeof (li.li_filename));
453 li.li_minor = 0;
454 if (ioctl(lfd, LOFI_UNMAP_FILE, &li) == -1) {
455 die(gettext("could not unmap file %s"), filename);
456 }
457 return;
458 }
459
460 /* delete by device */
461 li.li_minor = name_to_minor(devicename);
462 if (li.li_minor == 0) {
463 die(gettext("malformed device name %s\n"), devicename);
464 }
465 if (ioctl(lfd, LOFI_UNMAP_FILE_MINOR, &li) == -1) {
466 die(gettext("could not unmap device %s"), devicename);
467 }
468 }
469
470 /*
471 * Show filename given devicename, or devicename given filename.
472 */
473 static void
474 print_one_mapping(int lfd, const char *devicename, const char *filename)
475 {
476 struct lofi_ioctl li;
477
478 if (devicename == NULL) {
479 /* given filename, print devicename */
480 li.li_minor = 0;
481 (void) strlcpy(li.li_filename, filename,
482 sizeof (li.li_filename));
483 if (ioctl(lfd, LOFI_GET_MINOR, &li) == -1) {
484 die(gettext("could not find device for %s"), filename);
485 }
486 (void) printf("/dev/%s/%d\n", LOFI_BLOCK_NAME, li.li_minor);
487 return;
488 }
489
490 /* given devicename, print filename */
491 li.li_minor = name_to_minor(devicename);
492 if (li.li_minor == 0) {
493 die(gettext("malformed device name %s\n"), devicename);
494 }
495 if (ioctl(lfd, LOFI_GET_FILENAME, &li) == -1) {
496 die(gettext("could not find filename for %s"), devicename);
497 }
498 (void) printf("%s\n", li.li_filename);
499 }
500
501 /*
502 * Print the list of all the mappings, including a header.
503 */
504 static void
505 print_mappings(int fd)
506 {
507 struct lofi_ioctl li;
508 int minor;
509 int maxminor;
510 char path[MAXPATHLEN];
511 char options[MAXPATHLEN] = { 0 };
512
513 li.li_minor = 0;
514 if (ioctl(fd, LOFI_GET_MAXMINOR, &li) == -1) {
515 die("ioctl");
516 }
517 maxminor = li.li_minor;
518
519 (void) printf(FORMAT, gettext("Block Device"), gettext("File"),
520 gettext("Options"));
521 for (minor = 1; minor <= maxminor; minor++) {
522 li.li_minor = minor;
523 if (ioctl(fd, LOFI_GET_FILENAME, &li) == -1) {
524 if (errno == ENXIO)
525 continue;
526 warn("ioctl");
527 break;
528 }
529 (void) snprintf(path, sizeof (path), "/dev/%s/%d",
530 LOFI_BLOCK_NAME, minor);
531
532 options[0] = '\0';
533
534 /*
535 * Encrypted lofi and compressed lofi are mutually exclusive.
536 */
537 if (li.li_crypto_enabled)
538 (void) snprintf(options, sizeof (options),
539 gettext("Encrypted"));
540 else if (li.li_algorithm[0] != '\0')
541 (void) snprintf(options, sizeof (options),
542 gettext("Compressed(%s)"), li.li_algorithm);
543 if (li.li_readonly) {
544 if (strlen(options) != 0) {
545 (void) strlcat(options, ",", sizeof (options));
546 (void) strlcat(options, "Readonly",
547 sizeof (options));
548 } else {
549 (void) snprintf(options, sizeof (options),
550 gettext("Readonly"));
551 }
552 }
553 if (strlen(options) == 0)
554 (void) snprintf(options, sizeof (options), "-");
555
556 (void) printf(FORMAT, path, li.li_filename, options);
557 }
558 }
559
560 /*
561 * Verify the cipher selected by user.
562 */
563 static mech_alias_t *
564 ciph2mech(const char *alias)
565 {
566 int i;
567
568 for (i = 0; i < mech_aliases_count; i++) {
569 if (strcasecmp(alias, mech_aliases[i].alias) == 0)
570 return (&mech_aliases[i]);
571 }
572 return (NULL);
573 }
574
575 /*
576 * Verify user selected cipher is also available in kernel.
577 *
578 * While traversing kernel list of mechs, if the cipher is supported in the
579 * kernel for both encryption and decryption, it also picks up the min/max
580 * key size.
581 */
582 static boolean_t
583 kernel_cipher_check(mech_alias_t *cipher)
584 {
585 boolean_t ciph_ok = B_FALSE;
586 boolean_t iv_ok = B_FALSE;
587 int i;
588 int count;
589 crypto_get_mechanism_list_t *kciphers = NULL;
590 crypto_get_all_mechanism_info_t *kinfo = NULL;
591 int fd = -1;
592 size_t keymin;
593 size_t keymax;
594
595 /* if cipher doesn't need iv generating mech, bypass that check now */
596 if (cipher->iv_name == NULL)
597 iv_ok = B_TRUE;
598
599 /* allocate some space for the list of kernel ciphers */
600 count = DEFAULT_CIPHER_NUM;
601 kciphers = malloc(sizeof (crypto_get_mechanism_list_t) +
602 sizeof (crypto_mech_name_t) * (count - 1));
603 if (kciphers == NULL)
604 die(gettext("failed to allocate memory for list of "
605 "kernel mechanisms"));
606 kciphers->ml_count = count;
607
608 /* query crypto device to get list of kernel ciphers */
609 if ((fd = open("/dev/crypto", O_RDWR)) == -1) {
610 warn(gettext("failed to open %s"), "/dev/crypto");
611 goto kcc_out;
612 }
613
614 if (ioctl(fd, CRYPTO_GET_MECHANISM_LIST, kciphers) == -1) {
615 warn(gettext("CRYPTO_GET_MECHANISM_LIST ioctl failed"));
616 goto kcc_out;
617 }
618
619 if (kciphers->ml_return_value == CRYPTO_BUFFER_TOO_SMALL) {
620 count = kciphers->ml_count;
621 free(kciphers);
622 kciphers = malloc(sizeof (crypto_get_mechanism_list_t) +
623 sizeof (crypto_mech_name_t) * (count - 1));
624 if (kciphers == NULL) {
625 warn(gettext("failed to allocate memory for list of "
626 "kernel mechanisms"));
627 goto kcc_out;
628 }
629 kciphers->ml_count = count;
630
631 if (ioctl(fd, CRYPTO_GET_MECHANISM_LIST, kciphers) == -1) {
632 warn(gettext("CRYPTO_GET_MECHANISM_LIST ioctl failed"));
633 goto kcc_out;
634 }
635 }
636
637 if (kciphers->ml_return_value != CRYPTO_SUCCESS) {
638 warn(gettext(
639 "CRYPTO_GET_MECHANISM_LIST ioctl return value = %d\n"),
640 kciphers->ml_return_value);
641 goto kcc_out;
642 }
643
644 /*
645 * scan list of kernel ciphers looking for the selected one and if
646 * it needs an iv generated using another cipher, also look for that
647 * additional cipher to be used for generating the iv
648 */
649 count = kciphers->ml_count;
650 for (i = 0; i < count && !(ciph_ok && iv_ok); i++) {
651 if (!ciph_ok &&
652 strcasecmp(cipher->name, kciphers->ml_list[i]) == 0)
653 ciph_ok = B_TRUE;
654 if (!iv_ok &&
655 strcasecmp(cipher->iv_name, kciphers->ml_list[i]) == 0)
656 iv_ok = B_TRUE;
657 }
658 free(kciphers);
659 kciphers = NULL;
660
661 if (!ciph_ok)
662 warn(gettext("%s mechanism not supported in kernel\n"),
663 cipher->name);
664 if (!iv_ok)
665 warn(gettext("%s mechanism not supported in kernel\n"),
666 cipher->iv_name);
667
668 if (ciph_ok) {
669 /* Get the details about the user selected cipher */
670 count = DEFAULT_MECHINFO_NUM;
671 kinfo = malloc(sizeof (crypto_get_all_mechanism_info_t) +
672 sizeof (crypto_mechanism_info_t) * (count - 1));
673 if (kinfo == NULL) {
674 warn(gettext("failed to allocate memory for "
675 "kernel mechanism info"));
676 goto kcc_out;
677 }
678 kinfo->mi_count = count;
679 (void) strlcpy(kinfo->mi_mechanism_name, cipher->name,
680 CRYPTO_MAX_MECH_NAME);
681
682 if (ioctl(fd, CRYPTO_GET_ALL_MECHANISM_INFO, kinfo) == -1) {
683 warn(gettext(
684 "CRYPTO_GET_ALL_MECHANISM_INFO ioctl failed"));
685 goto kcc_out;
686 }
687
688 if (kinfo->mi_return_value == CRYPTO_BUFFER_TOO_SMALL) {
689 count = kinfo->mi_count;
690 free(kinfo);
691 kinfo = malloc(
692 sizeof (crypto_get_all_mechanism_info_t) +
693 sizeof (crypto_mechanism_info_t) * (count - 1));
694 if (kinfo == NULL) {
695 warn(gettext("failed to allocate memory for "
696 "kernel mechanism info"));
697 goto kcc_out;
698 }
699 kinfo->mi_count = count;
700 (void) strlcpy(kinfo->mi_mechanism_name, cipher->name,
701 CRYPTO_MAX_MECH_NAME);
702
703 if (ioctl(fd, CRYPTO_GET_ALL_MECHANISM_INFO, kinfo) ==
704 -1) {
705 warn(gettext("CRYPTO_GET_ALL_MECHANISM_INFO "
706 "ioctl failed"));
707 goto kcc_out;
708 }
709 }
710
711 if (kinfo->mi_return_value != CRYPTO_SUCCESS) {
712 warn(gettext("CRYPTO_GET_ALL_MECHANISM_INFO ioctl "
713 "return value = %d\n"), kinfo->mi_return_value);
714 goto kcc_out;
715 }
716
717 /* Set key min and max size */
718 count = kinfo->mi_count;
719 i = 0;
720 if (i < count) {
721 keymin = kinfo->mi_list[i].mi_min_key_size;
722 keymax = kinfo->mi_list[i].mi_max_key_size;
723 if (kinfo->mi_list[i].mi_keysize_unit &
724 CRYPTO_KEYSIZE_UNIT_IN_BITS) {
725 keymin = CRYPTO_BITS2BYTES(keymin);
726 keymax = CRYPTO_BITS2BYTES(keymax);
727
728 }
729 cipher->min_keysize = keymin;
730 cipher->max_keysize = keymax;
731 }
732 free(kinfo);
733 kinfo = NULL;
734
735 if (i == count) {
736 (void) close(fd);
737 die(gettext(
738 "failed to find usable %s kernel mechanism, "
739 "use \"cryptoadm list -m\" to find available "
740 "mechanisms\n"),
741 cipher->name);
742 }
743 }
744
745 /* Note: key min/max, unit size, usage for iv cipher are not checked. */
746
747 return (ciph_ok && iv_ok);
748
749 kcc_out:
750 if (kinfo != NULL)
751 free(kinfo);
752 if (kciphers != NULL)
753 free(kciphers);
754 if (fd != -1)
755 (void) close(fd);
756 return (B_FALSE);
757 }
758
759 /*
760 * Break up token spec into its components (non-destructive)
761 */
762 static token_spec_t *
763 parsetoken(char *spec)
764 {
765 #define FLD_NAME 0
766 #define FLD_MANUF 1
767 #define FLD_SERIAL 2
768 #define FLD_LABEL 3
769 #define NFIELDS 4
770 #define nullfield(i) ((field[(i)+1] - field[(i)]) <= 1)
771 #define copyfield(fld, i) \
772 { \
773 int n; \
774 (fld) = NULL; \
775 if ((n = (field[(i)+1] - field[(i)])) > 1) { \
776 if (((fld) = malloc(n)) != NULL) { \
777 (void) strncpy((fld), field[(i)], n); \
778 ((fld))[n - 1] = '\0'; \
779 } \
780 } \
781 }
782
783 int i;
784 char *field[NFIELDS + 1]; /* +1 to catch extra delimiters */
785 token_spec_t *ti = NULL;
786
787 if (spec == NULL)
788 return (NULL);
789
790 /*
791 * Correct format is "[name]:[manuf]:[serial]:key". Can't use
792 * strtok because it treats ":::key" and "key:::" and "key" all
793 * as the same thing, and we can't have the :s compressed away.
794 */
795 field[0] = spec;
796 for (i = 1; i < NFIELDS + 1; i++) {
797 field[i] = strchr(field[i-1], ':');
798 if (field[i] == NULL)
799 break;
800 field[i]++;
801 }
802 if (i < NFIELDS) /* not enough fields */
803 return (NULL);
804 if (field[NFIELDS] != NULL) /* too many fields */
805 return (NULL);
806 field[NFIELDS] = strchr(field[NFIELDS-1], '\0') + 1;
807
808 /* key label can't be empty */
809 if (nullfield(FLD_LABEL))
810 return (NULL);
811
812 ti = malloc(sizeof (token_spec_t));
813 if (ti == NULL)
814 return (NULL);
815
816 copyfield(ti->name, FLD_NAME);
817 copyfield(ti->mfr, FLD_MANUF);
818 copyfield(ti->serno, FLD_SERIAL);
819 copyfield(ti->key, FLD_LABEL);
820
821 /*
822 * If token specified and it only contains a key label, then
823 * search all tokens for the key, otherwise only those with
824 * matching name, mfr, and serno are used.
825 */
826 /*
827 * That's how we'd like it to be, however, if only the key label
828 * is specified, default to using softtoken. It's easier.
829 */
830 if (ti->name == NULL && ti->mfr == NULL && ti->serno == NULL)
831 ti->name = strdup(pkcs11_default_token());
832 return (ti);
833 }
834
835 /*
836 * PBE the passphrase into a raw key
837 */
838 static void
839 getkeyfromuser(mech_alias_t *cipher, char **raw_key, size_t *raw_key_sz)
840 {
841 CK_SESSION_HANDLE sess;
842 CK_RV rv;
843 char *pass = NULL;
844 size_t passlen = 0;
845 void *salt = NULL; /* don't use NULL, see note on salt below */
846 size_t saltlen = 0;
847 CK_KEY_TYPE ktype;
848 void *kvalue;
849 size_t klen;
850
851 /* did init_crypto find a slot that supports this cipher? */
852 if (cipher->slot == (CK_SLOT_ID)-1 || cipher->max_keysize == 0) {
853 rv = CKR_MECHANISM_INVALID;
854 goto cleanup;
855 }
856
857 rv = pkcs11_mech2keytype(cipher->type, &ktype);
858 if (rv != CKR_OK)
859 goto cleanup;
860
861 /*
862 * use the passphrase to generate a PBE PKCS#5 secret key and
863 * retrieve the raw key data to eventually pass it to the kernel;
864 */
865 rv = C_OpenSession(cipher->slot, CKF_SERIAL_SESSION, NULL, NULL, &sess);
866 if (rv != CKR_OK)
867 goto cleanup;
868
869 /* get user passphrase with 8 byte minimum */
870 if (pkcs11_get_pass(NULL, &pass, &passlen, MIN_PASSLEN, B_TRUE) < 0) {
871 die(gettext("passphrases do not match\n"));
872 }
873
874 /*
875 * salt should not be NULL, or else pkcs11_PasswdToKey() will
876 * complain about CKR_MECHANISM_PARAM_INVALID; the following is
877 * to make up for not having a salt until a proper one is used
878 */
879 salt = pass;
880 saltlen = passlen;
881
882 klen = cipher->max_keysize;
883 rv = pkcs11_PasswdToKey(sess, pass, passlen, salt, saltlen, ktype,
884 cipher->max_keysize, &kvalue, &klen);
885
886 (void) C_CloseSession(sess);
887
888 if (rv != CKR_OK) {
889 goto cleanup;
890 }
891
892 /* assert(klen == cipher->max_keysize); */
893 *raw_key_sz = klen;
894 *raw_key = (char *)kvalue;
895 return;
896
897 cleanup:
898 die(gettext("failed to generate %s key from passphrase: %s"),
899 cipher->alias, pkcs11_strerror(rv));
900 }
901
902 /*
903 * Read raw key from file; also handles ephemeral keys.
904 */
905 void
906 getkeyfromfile(const char *pathname, mech_alias_t *cipher, char **key,
907 size_t *ksz)
908 {
909 int fd;
910 struct stat sbuf;
911 boolean_t notplain = B_FALSE;
912 ssize_t cursz;
913 ssize_t nread;
914
915 /* ephemeral keys are just random data */
916 if (pathname == NULL) {
917 *ksz = cipher->max_keysize;
918 *key = malloc(*ksz);
919 if (*key == NULL)
920 die(gettext("failed to allocate memory for"
921 " ephemeral key"));
922 if (pkcs11_get_urandom(*key, *ksz) < 0) {
923 free(*key);
924 die(gettext("failed to get enough random data"));
925 }
926 return;
927 }
928
929 /*
930 * If the remaining section of code didn't also check for secure keyfile
931 * permissions and whether the key is within cipher min and max lengths,
932 * (or, if those things moved out of this block), we could have had:
933 * if (pkcs11_read_data(pathname, key, ksz) < 0)
934 * handle_error();
935 */
936
937 if ((fd = open(pathname, O_RDONLY, 0)) == -1)
938 die(gettext("open of keyfile (%s) failed"), pathname);
939
940 if (fstat(fd, &sbuf) == -1)
941 die(gettext("fstat of keyfile (%s) failed"), pathname);
942
943 if (S_ISREG(sbuf.st_mode)) {
944 if ((sbuf.st_mode & (S_IWGRP | S_IWOTH)) != 0)
945 die(gettext("insecure permissions on keyfile %s\n"),
946 pathname);
947
948 *ksz = sbuf.st_size;
949 if (*ksz < cipher->min_keysize || cipher->max_keysize < *ksz) {
950 warn(gettext("%s: invalid keysize: %d\n"),
951 pathname, (int)*ksz);
952 die(gettext("\t%d <= keysize <= %d\n"),
953 cipher->min_keysize, cipher->max_keysize);
954 }
955 } else {
956 *ksz = cipher->max_keysize;
957 notplain = B_TRUE;
958 }
959
960 *key = malloc(*ksz);
961 if (*key == NULL)
962 die(gettext("failed to allocate memory for key from file"));
963
964 for (cursz = 0, nread = 0; cursz < *ksz; cursz += nread) {
965 nread = read(fd, *key, *ksz);
966 if (nread > 0)
967 continue;
968 /*
969 * nread == 0. If it's not a regular file we were trying to
970 * get the maximum keysize of data possible for this cipher.
971 * But if we've got at least the minimum keysize of data,
972 * round down to the nearest keysize unit and call it good.
973 * If we haven't met the minimum keysize, that's an error.
974 * If it's a regular file, nread = 0 is also an error.
975 */
976 if (nread == 0 && notplain && cursz >= cipher->min_keysize) {
977 *ksz = (cursz / cipher->min_keysize) *
978 cipher->min_keysize;
979 break;
980 }
981 die(gettext("%s: can't read all keybytes"), pathname);
982 }
983 (void) close(fd);
984 }
985
986 /*
987 * Read the raw key from token, or from a file that was wrapped with a
988 * key from token
989 */
990 void
991 getkeyfromtoken(CK_SESSION_HANDLE sess,
992 token_spec_t *token, const char *keyfile, mech_alias_t *cipher,
993 char **raw_key, size_t *raw_key_sz)
994 {
995 CK_RV rv = CKR_OK;
996 CK_BBOOL trueval = B_TRUE;
997 CK_OBJECT_CLASS kclass; /* secret key or RSA private key */
998 CK_KEY_TYPE ktype; /* from selected cipher or CKK_RSA */
999 CK_KEY_TYPE raw_ktype; /* from selected cipher */
1000 CK_ATTRIBUTE key_tmpl[] = {
1001 { CKA_CLASS, NULL, 0 }, /* re-used for token key and unwrap */
1002 { CKA_KEY_TYPE, NULL, 0 }, /* ditto */
1003 { CKA_LABEL, NULL, 0 },
1004 { CKA_TOKEN, NULL, 0 },
1005 { CKA_PRIVATE, NULL, 0 }
1006 };
1007 CK_ULONG attrs = sizeof (key_tmpl) / sizeof (CK_ATTRIBUTE);
1008 int i;
1009 char *pass = NULL;
1010 size_t passlen = 0;
1011 CK_OBJECT_HANDLE obj, rawobj;
1012 CK_ULONG num_objs = 1; /* just want to find 1 token key */
1013 CK_MECHANISM unwrap = { CKM_RSA_PKCS, NULL, 0 };
1014 char *rkey;
1015 size_t rksz;
1016
1017 if (token == NULL || token->key == NULL)
1018 return;
1019
1020 /* did init_crypto find a slot that supports this cipher? */
1021 if (cipher->slot == (CK_SLOT_ID)-1 || cipher->max_keysize == 0) {
1022 die(gettext("failed to find any cryptographic provider, "
1023 "use \"cryptoadm list -p\" to find providers: %s\n"),
1024 pkcs11_strerror(CKR_MECHANISM_INVALID));
1025 }
1026
1027 if (pkcs11_get_pass(token->name, &pass, &passlen, 0, B_FALSE) < 0)
1028 die(gettext("unable to get passphrase"));
1029
1030 /* use passphrase to login to token */
1031 if (pass != NULL && passlen > 0) {
1032 rv = C_Login(sess, CKU_USER, (CK_UTF8CHAR_PTR)pass, passlen);
1033 if (rv != CKR_OK) {
1034 die(gettext("cannot login to the token %s: %s\n"),
1035 token->name, pkcs11_strerror(rv));
1036 }
1037 }
1038
1039 rv = pkcs11_mech2keytype(cipher->type, &raw_ktype);
1040 if (rv != CKR_OK) {
1041 die(gettext("failed to get key type for cipher %s: %s\n"),
1042 cipher->name, pkcs11_strerror(rv));
1043 }
1044
1045 /*
1046 * If no keyfile was given, then the token key is secret key to
1047 * be used for encryption/decryption. Otherwise, the keyfile
1048 * contains a wrapped secret key, and the token is actually the
1049 * unwrapping RSA private key.
1050 */
1051 if (keyfile == NULL) {
1052 kclass = CKO_SECRET_KEY;
1053 ktype = raw_ktype;
1054 } else {
1055 kclass = CKO_PRIVATE_KEY;
1056 ktype = CKK_RSA;
1057 }
1058
1059 /* Find the key in the token first */
1060 for (i = 0; i < attrs; i++) {
1061 switch (key_tmpl[i].type) {
1062 case CKA_CLASS:
1063 key_tmpl[i].pValue = &kclass;
1064 key_tmpl[i].ulValueLen = sizeof (kclass);
1065 break;
1066 case CKA_KEY_TYPE:
1067 key_tmpl[i].pValue = &ktype;
1068 key_tmpl[i].ulValueLen = sizeof (ktype);
1069 break;
1070 case CKA_LABEL:
1071 key_tmpl[i].pValue = token->key;
1072 key_tmpl[i].ulValueLen = strlen(token->key);
1073 break;
1074 case CKA_TOKEN:
1075 key_tmpl[i].pValue = &trueval;
1076 key_tmpl[i].ulValueLen = sizeof (trueval);
1077 break;
1078 case CKA_PRIVATE:
1079 key_tmpl[i].pValue = &trueval;
1080 key_tmpl[i].ulValueLen = sizeof (trueval);
1081 break;
1082 default:
1083 break;
1084 }
1085 }
1086 rv = C_FindObjectsInit(sess, key_tmpl, attrs);
1087 if (rv != CKR_OK)
1088 die(gettext("cannot find key %s: %s\n"), token->key,
1089 pkcs11_strerror(rv));
1090 rv = C_FindObjects(sess, &obj, 1, &num_objs);
1091 (void) C_FindObjectsFinal(sess);
1092
1093 if (num_objs == 0) {
1094 die(gettext("cannot find key %s\n"), token->key);
1095 } else if (rv != CKR_OK) {
1096 die(gettext("cannot find key %s: %s\n"), token->key,
1097 pkcs11_strerror(rv));
1098 }
1099
1100 /*
1101 * No keyfile means when token key is found, convert it to raw key,
1102 * and done. Otherwise still need do an unwrap to create yet another
1103 * obj and that needs to be converted to raw key before we're done.
1104 */
1105 if (keyfile == NULL) {
1106 /* obj contains raw key, extract it */
1107 rv = pkcs11_ObjectToKey(sess, obj, (void **)&rkey, &rksz,
1108 B_FALSE);
1109 if (rv != CKR_OK) {
1110 die(gettext("failed to get key value for %s"
1111 " from token %s, %s\n"), token->key,
1112 token->name, pkcs11_strerror(rv));
1113 }
1114 } else {
1115 getkeyfromfile(keyfile, cipher, &rkey, &rksz);
1116
1117 /*
1118 * Got the wrapping RSA obj and the wrapped key from file.
1119 * Unwrap the key from file with RSA obj to get rawkey obj.
1120 */
1121
1122 /* re-use the first two attributes of key_tmpl */
1123 kclass = CKO_SECRET_KEY;
1124 ktype = raw_ktype;
1125
1126 rv = C_UnwrapKey(sess, &unwrap, obj, (CK_BYTE_PTR)rkey,
1127 rksz, key_tmpl, 2, &rawobj);
1128 if (rv != CKR_OK) {
1129 die(gettext("failed to unwrap key in keyfile %s,"
1130 " %s\n"), keyfile, pkcs11_strerror(rv));
1131 }
1132 /* rawobj contains raw key, extract it */
1133 rv = pkcs11_ObjectToKey(sess, rawobj, (void **)&rkey, &rksz,
1134 B_TRUE);
1135 if (rv != CKR_OK) {
1136 die(gettext("failed to get unwrapped key value for"
1137 " key in keyfile %s, %s\n"), keyfile,
1138 pkcs11_strerror(rv));
1139 }
1140 }
1141
1142 /* validate raw key size */
1143 if (rksz < cipher->min_keysize || cipher->max_keysize < rksz) {
1144 warn(gettext("%s: invalid keysize: %d\n"), keyfile, (int)rksz);
1145 die(gettext("\t%d <= keysize <= %d\n"), cipher->min_keysize,
1146 cipher->max_keysize);
1147 }
1148
1149 *raw_key_sz = rksz;
1150 *raw_key = (char *)rkey;
1151 }
1152
1153 /*
1154 * Set up cipher key limits and verify PKCS#11 can be done
1155 * match_token_cipher is the function pointer used by
1156 * pkcs11_GetCriteriaSession() init_crypto.
1157 */
1158 boolean_t
1159 match_token_cipher(CK_SLOT_ID slot_id, void *args, CK_RV *rv)
1160 {
1161 token_spec_t *token;
1162 mech_alias_t *cipher;
1163 CK_TOKEN_INFO tokinfo;
1164 CK_MECHANISM_INFO mechinfo;
1165 boolean_t token_match;
1166
1167 /*
1168 * While traversing slot list, pick up the following info per slot:
1169 * - if token specified, whether it matches this slot's token info
1170 * - if the slot supports the PKCS#5 PBKD2 cipher
1171 *
1172 * If the user said on the command line
1173 * -T tok:mfr:ser:lab -k keyfile
1174 * -c cipher -T tok:mfr:ser:lab -k keyfile
1175 * the given cipher or the default cipher apply to keyfile,
1176 * If the user said instead
1177 * -T tok:mfr:ser:lab
1178 * -c cipher -T tok:mfr:ser:lab
1179 * the key named "lab" may or may not agree with the given
1180 * cipher or the default cipher. In those cases, cipher will
1181 * be overridden with the actual cipher type of the key "lab".
1182 */
1183 *rv = CKR_FUNCTION_FAILED;
1184
1185 if (args == NULL) {
1186 return (B_FALSE);
1187 }
1188
1189 cipher = (mech_alias_t *)args;
1190 token = cipher->token;
1191
1192 if (C_GetMechanismInfo(slot_id, cipher->type, &mechinfo) != CKR_OK) {
1193 return (B_FALSE);
1194 }
1195
1196 if (token == NULL) {
1197 if (C_GetMechanismInfo(slot_id, CKM_PKCS5_PBKD2, &mechinfo) !=
1198 CKR_OK) {
1199 return (B_FALSE);
1200 }
1201 goto foundit;
1202 }
1203
1204 /* does the token match the token spec? */
1205 if (token->key == NULL || (C_GetTokenInfo(slot_id, &tokinfo) != CKR_OK))
1206 return (B_FALSE);
1207
1208 token_match = B_TRUE;
1209
1210 if (token->name != NULL && (token->name)[0] != '\0' &&
1211 strncmp((char *)token->name, (char *)tokinfo.label,
1212 TOKEN_LABEL_SIZE) != 0)
1213 token_match = B_FALSE;
1214 if (token->mfr != NULL && (token->mfr)[0] != '\0' &&
1215 strncmp((char *)token->mfr, (char *)tokinfo.manufacturerID,
1216 TOKEN_MANUFACTURER_SIZE) != 0)
1217 token_match = B_FALSE;
1218 if (token->serno != NULL && (token->serno)[0] != '\0' &&
1219 strncmp((char *)token->serno, (char *)tokinfo.serialNumber,
1220 TOKEN_SERIAL_SIZE) != 0)
1221 token_match = B_FALSE;
1222
1223 if (!token_match)
1224 return (B_FALSE);
1225
1226 foundit:
1227 cipher->slot = slot_id;
1228 return (B_TRUE);
1229 }
1230
1231 /*
1232 * Clean up crypto loose ends
1233 */
1234 static void
1235 end_crypto(CK_SESSION_HANDLE sess)
1236 {
1237 (void) C_CloseSession(sess);
1238 (void) C_Finalize(NULL);
1239 }
1240
1241 /*
1242 * Set up crypto, opening session on slot that matches token and cipher
1243 */
1244 static void
1245 init_crypto(token_spec_t *token, mech_alias_t *cipher,
1246 CK_SESSION_HANDLE_PTR sess)
1247 {
1248 CK_RV rv;
1249
1250 cipher->token = token;
1251
1252 /* Turn off Metaslot so that we can see actual tokens */
1253 if (setenv("METASLOT_ENABLED", "false", 1) < 0) {
1254 die(gettext("could not disable Metaslot"));
1255 }
1256
1257 rv = pkcs11_GetCriteriaSession(match_token_cipher, (void *)cipher,
1258 sess);
1259 if (rv != CKR_OK) {
1260 end_crypto(*sess);
1261 if (rv == CKR_HOST_MEMORY) {
1262 die("malloc");
1263 }
1264 die(gettext("failed to find any cryptographic provider, "
1265 "use \"cryptoadm list -p\" to find providers: %s\n"),
1266 pkcs11_strerror(rv));
1267 }
1268 }
1269
1270 /*
1271 * Uncompress a file.
1272 *
1273 * First map the file in to establish a device
1274 * association, then read from it. On-the-fly
1275 * decompression will automatically uncompress
1276 * the file if it's compressed
1277 *
1278 * If the file is mapped and a device association
1279 * has been established, disallow uncompressing
1280 * the file until it is unmapped.
1281 */
1282 static void
1283 lofi_uncompress(int lfd, const char *filename)
1284 {
1285 struct lofi_ioctl li;
1286 char buf[MAXBSIZE];
1287 char devicename[32];
1288 char tmpfilename[MAXPATHLEN];
1289 char *x;
1290 char *dir = NULL;
1291 char *file = NULL;
1292 int minor = 0;
1293 struct stat64 statbuf;
1294 int compfd = -1;
1295 int uncompfd = -1;
1296 ssize_t rbytes;
1297
1298 /*
1299 * Disallow uncompressing the file if it is
1300 * already mapped.
1301 */
1302 li.li_crypto_enabled = B_FALSE;
1303 li.li_minor = 0;
1304 (void) strlcpy(li.li_filename, filename, sizeof (li.li_filename));
1305 if (ioctl(lfd, LOFI_GET_MINOR, &li) != -1)
1306 die(gettext("%s must be unmapped before uncompressing"),
1307 filename);
1308
1309 /* Zero length files don't need to be uncompressed */
1310 if (stat64(filename, &statbuf) == -1)
1311 die(gettext("stat: %s"), filename);
1312 if (statbuf.st_size == 0)
1313 return;
1314
1315 minor = lofi_map_file(lfd, li, filename);
1316 (void) snprintf(devicename, sizeof (devicename), "/dev/%s/%d",
1317 LOFI_BLOCK_NAME, minor);
1318
1319 /* If the file isn't compressed, we just return */
1320 if ((ioctl(lfd, LOFI_CHECK_COMPRESSED, &li) == -1) ||
1321 (li.li_algorithm[0] == '\0')) {
1322 delete_mapping(lfd, devicename, filename, B_TRUE);
1323 die("%s is not compressed\n", filename);
1324 }
1325
1326 if ((compfd = open64(devicename, O_RDONLY | O_NONBLOCK)) == -1) {
1327 delete_mapping(lfd, devicename, filename, B_TRUE);
1328 die(gettext("open: %s"), filename);
1329 }
1330 /* Create a temp file in the same directory */
1331 x = strdup(filename);
1332 dir = strdup(dirname(x));
1333 free(x);
1334 x = strdup(filename);
1335 file = strdup(basename(x));
1336 free(x);
1337 (void) snprintf(tmpfilename, sizeof (tmpfilename),
1338 "%s/.%sXXXXXX", dir, file);
1339 free(dir);
1340 free(file);
1341
1342 if ((uncompfd = mkstemp64(tmpfilename)) == -1) {
1343 (void) close(compfd);
1344 delete_mapping(lfd, devicename, filename, B_TRUE);
1345 die("%s could not be uncompressed\n", filename);
1346 }
1347
1348 /*
1349 * Set the mode bits and the owner of this temporary
1350 * file to be that of the original uncompressed file
1351 */
1352 (void) fchmod(uncompfd, statbuf.st_mode);
1353
1354 if (fchown(uncompfd, statbuf.st_uid, statbuf.st_gid) == -1) {
1355 (void) close(compfd);
1356 (void) close(uncompfd);
1357 delete_mapping(lfd, devicename, filename, B_TRUE);
1358 die("%s could not be uncompressed\n", filename);
1359 }
1360
1361 /* Now read from the device in MAXBSIZE-sized chunks */
1362 for (;;) {
1363 rbytes = read(compfd, buf, sizeof (buf));
1364
1365 if (rbytes <= 0)
1366 break;
1367
1368 if (write(uncompfd, buf, rbytes) != rbytes) {
1369 rbytes = -1;
1370 break;
1371 }
1372 }
1373
1374 (void) close(compfd);
1375 (void) close(uncompfd);
1376
1377 /* Delete the mapping */
1378 delete_mapping(lfd, devicename, filename, B_TRUE);
1379
1380 /*
1381 * If an error occured while reading or writing, rbytes will
1382 * be negative
1383 */
1384 if (rbytes < 0) {
1385 (void) unlink(tmpfilename);
1386 die(gettext("could not read from %s"), filename);
1387 }
1388
1389 /* Rename the temp file to the actual file */
1390 if (rename(tmpfilename, filename) == -1)
1391 (void) unlink(tmpfilename);
1392 }
1393
1394 /*
1395 * Compress a file
1396 */
1397 static void
1398 lofi_compress(int *lfd, const char *filename, int compress_index,
1399 uint32_t segsize)
1400 {
1401 struct lofi_ioctl lic;
1402 lofi_compress_info_t *li;
1403 struct flock lock;
1404 char tmpfilename[MAXPATHLEN];
1405 char comp_filename[MAXPATHLEN];
1406 char algorithm[MAXALGLEN];
1407 char *x;
1408 char *dir = NULL, *file = NULL;
1409 uchar_t *uncompressed_seg = NULL;
1410 uchar_t *compressed_seg = NULL;
1411 uint32_t compressed_segsize;
1412 uint32_t len_compressed, count;
1413 uint32_t index_entries, index_sz;
1414 uint64_t *index = NULL;
1415 uint64_t offset;
1416 size_t real_segsize;
1417 struct stat64 statbuf;
1418 int compfd = -1, uncompfd = -1;
1419 int tfd = -1;
1420 ssize_t rbytes, wbytes, lastread;
1421 int i, type;
1422
1423 /*
1424 * Disallow compressing the file if it is
1425 * already mapped
1426 */
1427 lic.li_minor = 0;
1428 (void) strlcpy(lic.li_filename, filename, sizeof (lic.li_filename));
1429 if (ioctl(*lfd, LOFI_GET_MINOR, &lic) != -1)
1430 die(gettext("%s must be unmapped before compressing"),
1431 filename);
1432
1433 /*
1434 * Close the control device so other operations
1435 * can use it
1436 */
1437 (void) close(*lfd);
1438 *lfd = -1;
1439
1440 li = &lofi_compress_table[compress_index];
1441
1442 /*
1443 * The size of the buffer to hold compressed data must
1444 * be slightly larger than the compressed segment size.
1445 *
1446 * The compress functions use part of the buffer as
1447 * scratch space to do calculations.
1448 * Ref: http://www.zlib.net/manual.html#compress2
1449 */
1450 compressed_segsize = segsize + (segsize >> 6);
1451 compressed_seg = (uchar_t *)malloc(compressed_segsize + SEGHDR);
1452 uncompressed_seg = (uchar_t *)malloc(segsize);
1453
1454 if (compressed_seg == NULL || uncompressed_seg == NULL)
1455 die(gettext("No memory"));
1456
1457 if ((uncompfd = open64(filename, O_RDWR|O_LARGEFILE, 0)) == -1)
1458 die(gettext("open: %s"), filename);
1459
1460 lock.l_type = F_WRLCK;
1461 lock.l_whence = SEEK_SET;
1462 lock.l_start = 0;
1463 lock.l_len = 0;
1464
1465 /*
1466 * Use an advisory lock to ensure that only a
1467 * single lofiadm process compresses a given
1468 * file at any given time
1469 *
1470 * A close on the file descriptor automatically
1471 * closes all lock state on the file
1472 */
1473 if (fcntl(uncompfd, F_SETLKW, &lock) == -1)
1474 die(gettext("fcntl: %s"), filename);
1475
1476 if (fstat64(uncompfd, &statbuf) == -1) {
1477 (void) close(uncompfd);
1478 die(gettext("fstat: %s"), filename);
1479 }
1480
1481 /* Zero length files don't need to be compressed */
1482 if (statbuf.st_size == 0) {
1483 (void) close(uncompfd);
1484 return;
1485 }
1486
1487 /*
1488 * Create temporary files in the same directory that
1489 * will hold the intermediate data
1490 */
1491 x = strdup(filename);
1492 dir = strdup(dirname(x));
1493 free(x);
1494 x = strdup(filename);
1495 file = strdup(basename(x));
1496 free(x);
1497 (void) snprintf(tmpfilename, sizeof (tmpfilename),
1498 "%s/.%sXXXXXX", dir, file);
1499 (void) snprintf(comp_filename, sizeof (comp_filename),
1500 "%s/.%sXXXXXX", dir, file);
1501 free(dir);
1502 free(file);
1503
1504 if ((tfd = mkstemp64(tmpfilename)) == -1)
1505 goto cleanup;
1506
1507 if ((compfd = mkstemp64(comp_filename)) == -1)
1508 goto cleanup;
1509
1510 /*
1511 * Set the mode bits and owner of the compressed
1512 * file to be that of the original uncompressed file
1513 */
1514 (void) fchmod(compfd, statbuf.st_mode);
1515
1516 if (fchown(compfd, statbuf.st_uid, statbuf.st_gid) == -1)
1517 goto cleanup;
1518
1519 /*
1520 * Calculate the number of index entries required.
1521 * index entries are stored as an array. adding
1522 * a '2' here accounts for the fact that the last
1523 * segment may not be a multiple of the segment size
1524 */
1525 index_sz = (statbuf.st_size / segsize) + 2;
1526 index = malloc(sizeof (*index) * index_sz);
1527
1528 if (index == NULL)
1529 goto cleanup;
1530
1531 offset = 0;
1532 lastread = segsize;
1533 count = 0;
1534
1535 /*
1536 * Now read from the uncompressed file in 'segsize'
1537 * sized chunks, compress what was read in and
1538 * write it out to a temporary file
1539 */
1540 for (;;) {
1541 rbytes = read(uncompfd, uncompressed_seg, segsize);
1542
1543 if (rbytes <= 0)
1544 break;
1545
1546 if (lastread < segsize)
1547 goto cleanup;
1548
1549 /*
1550 * Account for the first byte that
1551 * indicates whether a segment is
1552 * compressed or not
1553 */
1554 real_segsize = segsize - 1;
1555 (void) li->l_compress(uncompressed_seg, rbytes,
1556 compressed_seg + SEGHDR, &real_segsize, li->l_level);
1557
1558 /*
1559 * If the length of the compressed data is more
1560 * than a threshold then there isn't any benefit
1561 * to be had from compressing this segment - leave
1562 * it uncompressed.
1563 *
1564 * NB. In case an error occurs during compression (above)
1565 * the 'real_segsize' isn't changed. The logic below
1566 * ensures that that segment is left uncompressed.
1567 */
1568 len_compressed = real_segsize;
1569 if (segsize <= COMPRESS_THRESHOLD ||
1570 real_segsize > (segsize - COMPRESS_THRESHOLD)) {
1571 (void) memcpy(compressed_seg + SEGHDR, uncompressed_seg,
1572 rbytes);
1573 type = UNCOMPRESSED;
1574 len_compressed = rbytes;
1575 } else {
1576 type = COMPRESSED;
1577 }
1578
1579 /*
1580 * Set the first byte or the SEGHDR to
1581 * indicate if it's compressed or not
1582 */
1583 *compressed_seg = type;
1584 wbytes = write(tfd, compressed_seg, len_compressed + SEGHDR);
1585 if (wbytes != (len_compressed + SEGHDR)) {
1586 rbytes = -1;
1587 break;
1588 }
1589
1590 index[count] = BE_64(offset);
1591 offset += wbytes;
1592 lastread = rbytes;
1593 count++;
1594 }
1595
1596 (void) close(uncompfd);
1597
1598 if (rbytes < 0)
1599 goto cleanup;
1600 /*
1601 * The last index entry is a sentinel entry. It does not point to
1602 * an actual compressed segment but helps in computing the size of
1603 * the compressed segment. The size of each compressed segment is
1604 * computed by subtracting the current index value from the next
1605 * one (the compressed blocks are stored sequentially)
1606 */
1607 index[count++] = BE_64(offset);
1608
1609 /*
1610 * Now write the compressed data along with the
1611 * header information to this file which will
1612 * later be renamed to the original uncompressed
1613 * file name
1614 *
1615 * The header is as follows -
1616 *
1617 * Signature (name of the compression algorithm)
1618 * Compression segment size (a multiple of 512)
1619 * Number of index entries
1620 * Size of the last block
1621 * The array containing the index entries
1622 *
1623 * the header is always stored in network byte
1624 * order
1625 */
1626 (void) bzero(algorithm, sizeof (algorithm));
1627 (void) strlcpy(algorithm, li->l_name, sizeof (algorithm));
1628 if (write(compfd, algorithm, sizeof (algorithm))
1629 != sizeof (algorithm))
1630 goto cleanup;
1631
1632 segsize = htonl(segsize);
1633 if (write(compfd, &segsize, sizeof (segsize)) != sizeof (segsize))
1634 goto cleanup;
1635
1636 index_entries = htonl(count);
1637 if (write(compfd, &index_entries, sizeof (index_entries)) !=
1638 sizeof (index_entries))
1639 goto cleanup;
1640
1641 lastread = htonl(lastread);
1642 if (write(compfd, &lastread, sizeof (lastread)) != sizeof (lastread))
1643 goto cleanup;
1644
1645 for (i = 0; i < count; i++) {
1646 if (write(compfd, index + i, sizeof (*index)) !=
1647 sizeof (*index))
1648 goto cleanup;
1649 }
1650
1651 /* Header is written, now write the compressed data */
1652 if (lseek(tfd, 0, SEEK_SET) != 0)
1653 goto cleanup;
1654
1655 rbytes = wbytes = 0;
1656
1657 for (;;) {
1658 rbytes = read(tfd, compressed_seg, compressed_segsize + SEGHDR);
1659
1660 if (rbytes <= 0)
1661 break;
1662
1663 if (write(compfd, compressed_seg, rbytes) != rbytes)
1664 goto cleanup;
1665 }
1666
1667 if (fstat64(compfd, &statbuf) == -1)
1668 goto cleanup;
1669
1670 /*
1671 * Round up the compressed file size to be a multiple of
1672 * DEV_BSIZE. lofi(7D) likes it that way.
1673 */
1674 if ((offset = statbuf.st_size % DEV_BSIZE) > 0) {
1675
1676 offset = DEV_BSIZE - offset;
1677
1678 for (i = 0; i < offset; i++)
1679 uncompressed_seg[i] = '\0';
1680 if (write(compfd, uncompressed_seg, offset) != offset)
1681 goto cleanup;
1682 }
1683 (void) close(compfd);
1684 (void) close(tfd);
1685 (void) unlink(tmpfilename);
1686 cleanup:
1687 if (rbytes < 0) {
1688 if (tfd != -1)
1689 (void) unlink(tmpfilename);
1690 if (compfd != -1)
1691 (void) unlink(comp_filename);
1692 die(gettext("error compressing file %s"), filename);
1693 } else {
1694 /* Rename the compressed file to the actual file */
1695 if (rename(comp_filename, filename) == -1) {
1696 (void) unlink(comp_filename);
1697 die(gettext("error compressing file %s"), filename);
1698 }
1699 }
1700 if (compressed_seg != NULL)
1701 free(compressed_seg);
1702 if (uncompressed_seg != NULL)
1703 free(uncompressed_seg);
1704 if (index != NULL)
1705 free(index);
1706 if (compfd != -1)
1707 (void) close(compfd);
1708 if (uncompfd != -1)
1709 (void) close(uncompfd);
1710 if (tfd != -1)
1711 (void) close(tfd);
1712 }
1713
1714 static int
1715 lofi_compress_select(const char *algname)
1716 {
1717 int i;
1718
1719 for (i = 0; i < LOFI_COMPRESS_FUNCTIONS; i++) {
1720 if (strcmp(lofi_compress_table[i].l_name, algname) == 0)
1721 return (i);
1722 }
1723 return (-1);
1724 }
1725
1726 static void
1727 check_algorithm_validity(const char *algname, int *compress_index)
1728 {
1729 *compress_index = lofi_compress_select(algname);
1730 if (*compress_index < 0)
1731 die(gettext("invalid algorithm name: %s\n"), algname);
1732 }
1733
1734 static void
1735 check_file_validity(const char *filename)
1736 {
1737 struct stat64 buf;
1738 int error;
1739 int fd;
1740
1741 fd = open64(filename, O_RDONLY);
1742 if (fd == -1) {
1743 die(gettext("open: %s"), filename);
1744 }
1745 error = fstat64(fd, &buf);
1746 if (error == -1) {
1747 die(gettext("fstat: %s"), filename);
1748 } else if (!S_ISLOFIABLE(buf.st_mode)) {
1749 die(gettext("%s is not a regular file, "
1750 "block, or character device\n"),
1751 filename);
1752 } else if ((buf.st_size % DEV_BSIZE) != 0) {
1753 die(gettext("size of %s is not a multiple of %d\n"),
1754 filename, DEV_BSIZE);
1755 }
1756 (void) close(fd);
1757
1758 if (name_to_minor(filename) != 0) {
1759 die(gettext("cannot use %s on itself\n"), LOFI_DRIVER_NAME);
1760 }
1761 }
1762
1763 static uint32_t
1764 convert_to_num(const char *str)
1765 {
1766 int len;
1767 uint32_t segsize, mult = 1;
1768
1769 len = strlen(str);
1770 if (len && isalpha(str[len - 1])) {
1771 switch (str[len - 1]) {
1772 case 'k':
1773 case 'K':
1774 mult = KILOBYTE;
1775 break;
1776 case 'b':
1777 case 'B':
1778 mult = BLOCK_SIZE;
1779 break;
1780 case 'm':
1781 case 'M':
1782 mult = MEGABYTE;
1783 break;
1784 case 'g':
1785 case 'G':
1786 mult = GIGABYTE;
1787 break;
1788 default:
1789 die(gettext("invalid segment size %s\n"), str);
1790 }
1791 }
1792
1793 segsize = atol(str);
1794 segsize *= mult;
1795
1796 return (segsize);
1797 }
1798
1799 int
1800 main(int argc, char *argv[])
1801 {
1802 int lfd;
1803 int c;
1804 const char *devicename = NULL;
1805 const char *filename = NULL;
1806 const char *algname = COMPRESS_ALGORITHM;
1807 int openflag;
1808 int minor;
1809 int compress_index;
1810 uint32_t segsize = SEGSIZE;
1811 static char *lofictl = "/dev/" LOFI_CTL_NAME;
1812 boolean_t force = B_FALSE;
1813 const char *pname;
1814 boolean_t errflag = B_FALSE;
1815 boolean_t addflag = B_FALSE;
1816 boolean_t rdflag = B_FALSE;
1817 boolean_t deleteflag = B_FALSE;
1818 boolean_t ephflag = B_FALSE;
1819 boolean_t compressflag = B_FALSE;
1820 boolean_t uncompressflag = B_FALSE;
1821 /* the next two work together for -c, -k, -T, -e options only */
1822 boolean_t need_crypto = B_FALSE; /* if any -c, -k, -T, -e */
1823 boolean_t cipher_only = B_TRUE; /* if -c only */
1824 const char *keyfile = NULL;
1825 mech_alias_t *cipher = NULL;
1826 token_spec_t *token = NULL;
1827 char *rkey = NULL;
1828 size_t rksz = 0;
1829 char realfilename[MAXPATHLEN];
1830
1831 pname = getpname(argv[0]);
1832
1833 (void) setlocale(LC_ALL, "");
1834 (void) textdomain(TEXT_DOMAIN);
1835
1836 while ((c = getopt(argc, argv, "a:c:Cd:efk:rs:T:U")) != EOF) {
1837 switch (c) {
1838 case 'a':
1839 addflag = B_TRUE;
1840 if ((filename = realpath(optarg, realfilename)) == NULL)
1841 die("%s", optarg);
1842 if (((argc - optind) > 0) && (*argv[optind] != '-')) {
1843 /* optional device */
1844 devicename = argv[optind];
1845 optind++;
1846 }
1847 break;
1848 case 'C':
1849 compressflag = B_TRUE;
1850 if (((argc - optind) > 1) && (*argv[optind] != '-')) {
1851 /* optional algorithm */
1852 algname = argv[optind];
1853 optind++;
1854 }
1855 check_algorithm_validity(algname, &compress_index);
1856 break;
1857 case 'c':
1858 /* is the chosen cipher allowed? */
1859 if ((cipher = ciph2mech(optarg)) == NULL) {
1860 errflag = B_TRUE;
1861 warn(gettext("cipher %s not allowed\n"),
1862 optarg);
1863 }
1864 need_crypto = B_TRUE;
1865 /* cipher_only is already set */
1866 break;
1867 case 'd':
1868 deleteflag = B_TRUE;
1869 minor = name_to_minor(optarg);
1870 if (minor != 0)
1871 devicename = optarg;
1872 else {
1873 if ((filename = realpath(optarg,
1874 realfilename)) == NULL)
1875 die("%s", optarg);
1876 }
1877 break;
1878 case 'e':
1879 ephflag = B_TRUE;
1880 need_crypto = B_TRUE;
1881 cipher_only = B_FALSE; /* need to unset cipher_only */
1882 break;
1883 case 'f':
1884 force = B_TRUE;
1885 break;
1886 case 'k':
1887 keyfile = optarg;
1888 need_crypto = B_TRUE;
1889 cipher_only = B_FALSE; /* need to unset cipher_only */
1890 break;
1891 case 'r':
1892 rdflag = B_TRUE;
1893 break;
1894 case 's':
1895 segsize = convert_to_num(optarg);
1896 if (segsize < DEV_BSIZE || !ISP2(segsize))
1897 die(gettext("segment size %s is invalid "
1898 "or not a multiple of minimum block "
1899 "size %ld\n"), optarg, DEV_BSIZE);
1900 break;
1901 case 'T':
1902 if ((token = parsetoken(optarg)) == NULL) {
1903 errflag = B_TRUE;
1904 warn(
1905 gettext("invalid token key specifier %s\n"),
1906 optarg);
1907 }
1908 need_crypto = B_TRUE;
1909 cipher_only = B_FALSE; /* need to unset cipher_only */
1910 break;
1911 case 'U':
1912 uncompressflag = B_TRUE;
1913 break;
1914 case '?':
1915 default:
1916 errflag = B_TRUE;
1917 break;
1918 }
1919 }
1920
1921 /* Check for mutually exclusive combinations of options */
1922 if (errflag ||
1923 (addflag && deleteflag) ||
1924 (rdflag && !addflag) ||
1925 (!addflag && need_crypto) ||
1926 ((compressflag || uncompressflag) && (addflag || deleteflag)))
1927 usage(pname);
1928
1929 /* ephemeral key, and key from either file or token are incompatible */
1930 if (ephflag && (keyfile != NULL || token != NULL)) {
1931 die(gettext("ephemeral key cannot be used with keyfile"
1932 " or token key\n"));
1933 }
1934
1935 /*
1936 * "-c" but no "-k", "-T", "-e", or "-T -k" means derive key from
1937 * command line passphrase
1938 */
1939
1940 switch (argc - optind) {
1941 case 0: /* no more args */
1942 if (compressflag || uncompressflag) /* needs filename */
1943 usage(pname);
1944 break;
1945 case 1:
1946 if (addflag || deleteflag)
1947 usage(pname);
1948 /* one arg means compress/uncompress the file ... */
1949 if (compressflag || uncompressflag) {
1950 if ((filename = realpath(argv[optind],
1951 realfilename)) == NULL)
1952 die("%s", argv[optind]);
1953 /* ... or without options means print the association */
1954 } else {
1955 minor = name_to_minor(argv[optind]);
1956 if (minor != 0)
1957 devicename = argv[optind];
1958 else {
1959 if ((filename = realpath(argv[optind],
1960 realfilename)) == NULL)
1961 die("%s", argv[optind]);
1962 }
1963 }
1964 break;
1965 default:
1966 usage(pname);
1967 break;
1968 }
1969
1970 if (addflag || compressflag || uncompressflag)
1971 check_file_validity(filename);
1972
1973 if (filename && !valid_abspath(filename))
1974 exit(E_ERROR);
1975
1976 /*
1977 * Here, we know the arguments are correct, the filename is an
1978 * absolute path, it exists and is a regular file. We don't yet
1979 * know that the device name is ok or not.
1980 */
1981
1982 openflag = O_EXCL;
1983 if (addflag || deleteflag || compressflag || uncompressflag)
1984 openflag |= O_RDWR;
1985 else
1986 openflag |= O_RDONLY;
1987 lfd = open(lofictl, openflag);
1988 if (lfd == -1) {
1989 if ((errno == EPERM) || (errno == EACCES)) {
1990 die(gettext("you do not have permission to perform "
1991 "that operation.\n"));
1992 } else {
1993 die(gettext("open: %s"), lofictl);
1994 }
1995 /*NOTREACHED*/
1996 }
1997
1998 /*
1999 * No passphrase is needed for ephemeral key, or when key is
2000 * in a file and not wrapped by another key from a token.
2001 * However, a passphrase is needed in these cases:
2002 * 1. cipher with no ephemeral key, key file, or token,
2003 * in which case the passphrase is used to build the key
2004 * 2. token with an optional cipher or optional key file,
2005 * in which case the passphrase unlocks the token
2006 * If only the cipher is specified, reconfirm the passphrase
2007 * to ensure the user hasn't mis-entered it. Otherwise, the
2008 * token will enforce the token passphrase.
2009 */
2010 if (need_crypto) {
2011 CK_SESSION_HANDLE sess;
2012
2013 /* pick a cipher if none specified */
2014 if (cipher == NULL)
2015 cipher = DEFAULT_CIPHER;
2016
2017 if (!kernel_cipher_check(cipher))
2018 die(gettext(
2019 "use \"cryptoadm list -m\" to find available "
2020 "mechanisms\n"));
2021
2022 init_crypto(token, cipher, &sess);
2023
2024 if (cipher_only) {
2025 getkeyfromuser(cipher, &rkey, &rksz);
2026 } else if (token != NULL) {
2027 getkeyfromtoken(sess, token, keyfile, cipher,
2028 &rkey, &rksz);
2029 } else {
2030 /* this also handles ephemeral keys */
2031 getkeyfromfile(keyfile, cipher, &rkey, &rksz);
2032 }
2033
2034 end_crypto(sess);
2035 }
2036
2037 /*
2038 * Now to the real work.
2039 */
2040 if (addflag)
2041 add_mapping(lfd, devicename, filename, cipher, rkey, rksz,
2042 rdflag);
2043 else if (compressflag)
2044 lofi_compress(&lfd, filename, compress_index, segsize);
2045 else if (uncompressflag)
2046 lofi_uncompress(lfd, filename);
2047 else if (deleteflag)
2048 delete_mapping(lfd, devicename, filename, force);
2049 else if (filename || devicename)
2050 print_one_mapping(lfd, devicename, filename);
2051 else
2052 print_mappings(lfd);
2053
2054 if (lfd != -1)
2055 (void) close(lfd);
2056 closelib();
2057 return (E_SUCCESS);
2058 }