xref: /illumos-gate/usr/src/cmd/zstreamdump/zstreamdump.c (revision 767007dff68ec7382116062a33e8ff5e89ce8664)
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 /*
23  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*
28  * Copyright (c) 2014 Integros [integros.com]
29  * Copyright (c) 2013, 2015 by Delphix. All rights reserved.
30  * Copyright 2024 Oxide Computer Company
31  */
32 
33 #include <ctype.h>
34 #include <libnvpair.h>
35 #include <stdio.h>
36 #include <stdlib.h>
37 #include <strings.h>
38 #include <unistd.h>
39 #include <stddef.h>
40 
41 #include <sys/hexdump.h>
42 #include <sys/dmu.h>
43 #include <sys/zfs_ioctl.h>
44 #include <sys/zio.h>
45 #include <zfs_fletcher.h>
46 
47 /*
48  * If dump mode is enabled, the number of bytes to print per line
49  */
50 #define	BYTES_PER_LINE	16
51 /*
52  * If dump mode is enabled, the number of bytes to group together, separated
53  * by newlines or spaces
54  */
55 #define	DUMP_GROUPING	4
56 
57 uint64_t total_write_size = 0;
58 uint64_t total_stream_len = 0;
59 FILE *send_stream = 0;
60 boolean_t do_byteswap = B_FALSE;
61 boolean_t do_cksum = B_TRUE;
62 
63 static void
64 usage(void)
65 {
66 	(void) fprintf(stderr, "usage: zstreamdump [-v] [-C] [-d] < file\n");
67 	(void) fprintf(stderr, "\t -v -- verbose\n");
68 	(void) fprintf(stderr, "\t -C -- suppress checksum verification\n");
69 	(void) fprintf(stderr, "\t -d -- dump contents of blocks modified, "
70 	    "implies verbose\n");
71 	exit(1);
72 }
73 
74 static void *
75 safe_malloc(size_t size)
76 {
77 	void *rv = malloc(size);
78 	if (rv == NULL) {
79 		(void) fprintf(stderr, "ERROR; failed to allocate %zu bytes\n",
80 		    size);
81 		abort();
82 	}
83 	return (rv);
84 }
85 
86 /*
87  * ssread - send stream read.
88  *
89  * Read while computing incremental checksum
90  */
91 static size_t
92 ssread(void *buf, size_t len, zio_cksum_t *cksum)
93 {
94 	size_t outlen;
95 
96 	if ((outlen = fread(buf, len, 1, send_stream)) == 0)
97 		return (0);
98 
99 	if (do_cksum) {
100 		if (do_byteswap)
101 			fletcher_4_incremental_byteswap(buf, len, cksum);
102 		else
103 			fletcher_4_incremental_native(buf, len, cksum);
104 	}
105 	total_stream_len += len;
106 	return (outlen);
107 }
108 
109 static size_t
110 read_hdr(dmu_replay_record_t *drr, zio_cksum_t *cksum)
111 {
112 	ASSERT3U(offsetof(dmu_replay_record_t, drr_u.drr_checksum.drr_checksum),
113 	    ==, sizeof (dmu_replay_record_t) - sizeof (zio_cksum_t));
114 	size_t r = ssread(drr, sizeof (*drr) - sizeof (zio_cksum_t), cksum);
115 	if (r == 0)
116 		return (0);
117 	zio_cksum_t saved_cksum = *cksum;
118 	r = ssread(&drr->drr_u.drr_checksum.drr_checksum,
119 	    sizeof (zio_cksum_t), cksum);
120 	if (r == 0)
121 		return (0);
122 	if (!ZIO_CHECKSUM_IS_ZERO(&drr->drr_u.drr_checksum.drr_checksum) &&
123 	    !ZIO_CHECKSUM_EQUAL(saved_cksum,
124 	    drr->drr_u.drr_checksum.drr_checksum)) {
125 		fprintf(stderr, "invalid checksum\n");
126 		(void) printf("Incorrect checksum in record header.\n");
127 		(void) printf("Expected checksum = %llx/%llx/%llx/%llx\n",
128 		    saved_cksum.zc_word[0],
129 		    saved_cksum.zc_word[1],
130 		    saved_cksum.zc_word[2],
131 		    saved_cksum.zc_word[3]);
132 		return (0);
133 	}
134 	return (sizeof (*drr));
135 }
136 
137 /*
138  * print_block - Dump the contents of a modified block to STDOUT
139  */
140 static void
141 print_block(char *buf, int length)
142 {
143 	hexdump_t h;
144 
145 	hexdump_init(&h);
146 	hexdump_set_width(&h, BYTES_PER_LINE);
147 	hexdump_set_grouping(&h, DUMP_GROUPING);
148 	hexdump_set_indent(&h, 1);
149 	(void) hexdump_fileh(&h, (const uint8_t *)buf, length,
150 	    HDF_DEFAULT | HDF_DOUBLESPACE, stdout);
151 	hexdump_fini(&h);
152 }
153 
154 /*
155  * Print an array of bytes to stdout as hexidecimal characters. str must
156  * have buf_len * 2 + 1 bytes of space.
157  */
158 static void
159 sprintf_bytes(char *str, uint8_t *buf, uint_t buf_len)
160 {
161 	int i, n;
162 
163 	for (i = 0; i < buf_len; i++) {
164 		n = sprintf(str, "%02x", buf[i] & 0xff);
165 		str += n;
166 	}
167 
168 	str[0] = '\0';
169 }
170 
171 int
172 main(int argc, char *argv[])
173 {
174 	char *buf = safe_malloc(SPA_MAXBLOCKSIZE);
175 	uint64_t drr_record_count[DRR_NUMTYPES] = { 0 };
176 	char salt[ZIO_DATA_SALT_LEN * 2 + 1];
177 	char iv[ZIO_DATA_IV_LEN * 2 + 1];
178 	char mac[ZIO_DATA_MAC_LEN * 2 + 1];
179 	uint64_t total_records = 0;
180 	uint64_t payload_size;
181 	dmu_replay_record_t thedrr;
182 	dmu_replay_record_t *drr = &thedrr;
183 	struct drr_begin *drrb = &thedrr.drr_u.drr_begin;
184 	struct drr_end *drre = &thedrr.drr_u.drr_end;
185 	struct drr_object *drro = &thedrr.drr_u.drr_object;
186 	struct drr_freeobjects *drrfo = &thedrr.drr_u.drr_freeobjects;
187 	struct drr_write *drrw = &thedrr.drr_u.drr_write;
188 	struct drr_write_byref *drrwbr = &thedrr.drr_u.drr_write_byref;
189 	struct drr_free *drrf = &thedrr.drr_u.drr_free;
190 	struct drr_spill *drrs = &thedrr.drr_u.drr_spill;
191 	struct drr_write_embedded *drrwe = &thedrr.drr_u.drr_write_embedded;
192 	struct drr_object_range *drror = &thedrr.drr_u.drr_object_range;
193 	struct drr_checksum *drrc = &thedrr.drr_u.drr_checksum;
194 	int c;
195 	boolean_t verbose = B_FALSE;
196 	boolean_t very_verbose = B_FALSE;
197 	boolean_t first = B_TRUE;
198 	/*
199 	 * dump flag controls whether the contents of any modified data blocks
200 	 * are printed to the console during processing of the stream. Warning:
201 	 * for large streams, this can obviously lead to massive prints.
202 	 */
203 	boolean_t dump = B_FALSE;
204 	int err;
205 	zio_cksum_t zc = { 0 };
206 	zio_cksum_t pcksum = { 0 };
207 
208 	while ((c = getopt(argc, argv, ":vCd")) != -1) {
209 		switch (c) {
210 		case 'C':
211 			do_cksum = B_FALSE;
212 			break;
213 		case 'v':
214 			if (verbose)
215 				very_verbose = B_TRUE;
216 			verbose = B_TRUE;
217 			break;
218 		case 'd':
219 			dump = B_TRUE;
220 			verbose = B_TRUE;
221 			very_verbose = B_TRUE;
222 			break;
223 		case ':':
224 			(void) fprintf(stderr,
225 			    "missing argument for '%c' option\n", optopt);
226 			usage();
227 			break;
228 		case '?':
229 			(void) fprintf(stderr, "invalid option '%c'\n",
230 			    optopt);
231 			usage();
232 			break;
233 		}
234 	}
235 
236 	if (isatty(STDIN_FILENO)) {
237 		(void) fprintf(stderr,
238 		    "Error: Backup stream can not be read "
239 		    "from a terminal.\n"
240 		    "You must redirect standard input.\n");
241 		exit(1);
242 	}
243 
244 	fletcher_4_init();
245 	send_stream = stdin;
246 	while (read_hdr(drr, &zc)) {
247 
248 		/*
249 		 * If this is the first DMU record being processed, check for
250 		 * the magic bytes and figure out the endian-ness based on them.
251 		 */
252 		if (first) {
253 			if (drrb->drr_magic == BSWAP_64(DMU_BACKUP_MAGIC)) {
254 				do_byteswap = B_TRUE;
255 				if (do_cksum) {
256 					ZIO_SET_CHECKSUM(&zc, 0, 0, 0, 0);
257 					/*
258 					 * recalculate header checksum now
259 					 * that we know it needs to be
260 					 * byteswapped.
261 					 */
262 					fletcher_4_incremental_byteswap(drr,
263 					    sizeof (dmu_replay_record_t), &zc);
264 				}
265 			} else if (drrb->drr_magic != DMU_BACKUP_MAGIC) {
266 				(void) fprintf(stderr, "Invalid stream "
267 				    "(bad magic number)\n");
268 				exit(1);
269 			}
270 			first = B_FALSE;
271 		}
272 		if (do_byteswap) {
273 			drr->drr_type = BSWAP_32(drr->drr_type);
274 			drr->drr_payloadlen =
275 			    BSWAP_32(drr->drr_payloadlen);
276 		}
277 
278 		/*
279 		 * At this point, the leading fields of the replay record
280 		 * (drr_type and drr_payloadlen) have been byte-swapped if
281 		 * necessary, but the rest of the data structure (the
282 		 * union of type-specific structures) is still in its
283 		 * original state.
284 		 */
285 		if (drr->drr_type >= DRR_NUMTYPES) {
286 			(void) printf("INVALID record found: type 0x%x\n",
287 			    drr->drr_type);
288 			(void) printf("Aborting.\n");
289 			exit(1);
290 		}
291 
292 		drr_record_count[drr->drr_type]++;
293 		total_records++;
294 
295 		switch (drr->drr_type) {
296 		case DRR_BEGIN:
297 			if (do_byteswap) {
298 				drrb->drr_magic = BSWAP_64(drrb->drr_magic);
299 				drrb->drr_versioninfo =
300 				    BSWAP_64(drrb->drr_versioninfo);
301 				drrb->drr_creation_time =
302 				    BSWAP_64(drrb->drr_creation_time);
303 				drrb->drr_type = BSWAP_32(drrb->drr_type);
304 				drrb->drr_flags = BSWAP_32(drrb->drr_flags);
305 				drrb->drr_toguid = BSWAP_64(drrb->drr_toguid);
306 				drrb->drr_fromguid =
307 				    BSWAP_64(drrb->drr_fromguid);
308 			}
309 
310 			(void) printf("BEGIN record\n");
311 			(void) printf("\thdrtype = %lld\n",
312 			    DMU_GET_STREAM_HDRTYPE(drrb->drr_versioninfo));
313 			(void) printf("\tfeatures = %llx\n",
314 			    DMU_GET_FEATUREFLAGS(drrb->drr_versioninfo));
315 			(void) printf("\tmagic = %llx\n",
316 			    (u_longlong_t)drrb->drr_magic);
317 			(void) printf("\tcreation_time = %llx\n",
318 			    (u_longlong_t)drrb->drr_creation_time);
319 			(void) printf("\ttype = %u\n", drrb->drr_type);
320 			(void) printf("\tflags = 0x%x\n", drrb->drr_flags);
321 			(void) printf("\ttoguid = %llx\n",
322 			    (u_longlong_t)drrb->drr_toguid);
323 			(void) printf("\tfromguid = %llx\n",
324 			    (u_longlong_t)drrb->drr_fromguid);
325 			(void) printf("\ttoname = %s\n", drrb->drr_toname);
326 			if (verbose)
327 				(void) printf("\n");
328 
329 			if (drr->drr_payloadlen != 0) {
330 				nvlist_t *nv;
331 				int sz = drr->drr_payloadlen;
332 
333 				if (sz > SPA_MAXBLOCKSIZE) {
334 					free(buf);
335 					buf = safe_malloc(sz);
336 				}
337 				(void) ssread(buf, sz, &zc);
338 				if (ferror(send_stream))
339 					perror("fread");
340 				err = nvlist_unpack(buf, sz, &nv, 0);
341 				if (err)
342 					perror(strerror(err));
343 				nvlist_print(stdout, nv);
344 				nvlist_free(nv);
345 			}
346 			break;
347 
348 		case DRR_END:
349 			if (do_byteswap) {
350 				drre->drr_checksum.zc_word[0] =
351 				    BSWAP_64(drre->drr_checksum.zc_word[0]);
352 				drre->drr_checksum.zc_word[1] =
353 				    BSWAP_64(drre->drr_checksum.zc_word[1]);
354 				drre->drr_checksum.zc_word[2] =
355 				    BSWAP_64(drre->drr_checksum.zc_word[2]);
356 				drre->drr_checksum.zc_word[3] =
357 				    BSWAP_64(drre->drr_checksum.zc_word[3]);
358 			}
359 			/*
360 			 * We compare against the *previous* checksum
361 			 * value, because the stored checksum is of
362 			 * everything before the DRR_END record.
363 			 */
364 			if (do_cksum && !ZIO_CHECKSUM_EQUAL(drre->drr_checksum,
365 			    pcksum)) {
366 				(void) printf("Expected checksum differs from "
367 				    "checksum in stream.\n");
368 				(void) printf("Expected checksum = "
369 				    "%llx/%llx/%llx/%llx\n",
370 				    pcksum.zc_word[0],
371 				    pcksum.zc_word[1],
372 				    pcksum.zc_word[2],
373 				    pcksum.zc_word[3]);
374 			}
375 			(void) printf("END checksum = %llx/%llx/%llx/%llx\n",
376 			    drre->drr_checksum.zc_word[0],
377 			    drre->drr_checksum.zc_word[1],
378 			    drre->drr_checksum.zc_word[2],
379 			    drre->drr_checksum.zc_word[3]);
380 
381 			ZIO_SET_CHECKSUM(&zc, 0, 0, 0, 0);
382 			break;
383 
384 		case DRR_OBJECT:
385 			if (do_byteswap) {
386 				drro->drr_object = BSWAP_64(drro->drr_object);
387 				drro->drr_type = BSWAP_32(drro->drr_type);
388 				drro->drr_bonustype =
389 				    BSWAP_32(drro->drr_bonustype);
390 				drro->drr_blksz = BSWAP_32(drro->drr_blksz);
391 				drro->drr_bonuslen =
392 				    BSWAP_32(drro->drr_bonuslen);
393 				drro->drr_raw_bonuslen =
394 				    BSWAP_32(drro->drr_raw_bonuslen);
395 				drro->drr_toguid = BSWAP_64(drro->drr_toguid);
396 			}
397 
398 			payload_size = DRR_OBJECT_PAYLOAD_SIZE(drro);
399 
400 			if (verbose) {
401 				(void) printf("OBJECT object = %" PRIu64
402 				    "type = %u bonustype = %u blksz = %u "
403 				    "bonuslen = %u "
404 				    "raw_bonuslen = %u flags = %u maxblkid "
405 				    "= %llu "
406 				    "indblkshift = %u nlevels = %u "
407 				    "nblkptr = %u\n",
408 				    (u_longlong_t)drro->drr_object,
409 				    drro->drr_type,
410 				    drro->drr_bonustype,
411 				    drro->drr_blksz,
412 				    drro->drr_bonuslen,
413 				    drro->drr_raw_bonuslen,
414 				    drro->drr_flags,
415 				    (u_longlong_t)drro->drr_maxblkid,
416 				    drro->drr_indblkshift,
417 				    drro->drr_nlevels,
418 				    drro->drr_nblkptr);
419 			}
420 			if (drro->drr_bonuslen > 0) {
421 				(void) ssread(buf, payload_size, &zc);
422 				if (dump)
423 					print_block(buf, payload_size);
424 			}
425 			break;
426 
427 		case DRR_FREEOBJECTS:
428 			if (do_byteswap) {
429 				drrfo->drr_firstobj =
430 				    BSWAP_64(drrfo->drr_firstobj);
431 				drrfo->drr_numobjs =
432 				    BSWAP_64(drrfo->drr_numobjs);
433 				drrfo->drr_toguid = BSWAP_64(drrfo->drr_toguid);
434 			}
435 			if (verbose) {
436 				(void) printf("FREEOBJECTS firstobj = %llu "
437 				    "numobjs = %llu\n",
438 				    (u_longlong_t)drrfo->drr_firstobj,
439 				    (u_longlong_t)drrfo->drr_numobjs);
440 			}
441 			break;
442 
443 		case DRR_WRITE:
444 			if (do_byteswap) {
445 				drrw->drr_object = BSWAP_64(drrw->drr_object);
446 				drrw->drr_type = BSWAP_32(drrw->drr_type);
447 				drrw->drr_offset = BSWAP_64(drrw->drr_offset);
448 				drrw->drr_logical_size =
449 				    BSWAP_64(drrw->drr_logical_size);
450 				drrw->drr_toguid = BSWAP_64(drrw->drr_toguid);
451 				drrw->drr_key.ddk_prop =
452 				    BSWAP_64(drrw->drr_key.ddk_prop);
453 				drrw->drr_compressed_size =
454 				    BSWAP_64(drrw->drr_compressed_size);
455 			}
456 
457 			payload_size = DRR_WRITE_PAYLOAD_SIZE(drrw);
458 
459 			/*
460 			 * If this is verbose and/or dump output,
461 			 * print info on the modified block
462 			 */
463 			if (verbose) {
464 				sprintf_bytes(salt, drrw->drr_salt,
465 				    ZIO_DATA_SALT_LEN);
466 				sprintf_bytes(iv, drrw->drr_iv,
467 				    ZIO_DATA_IV_LEN);
468 				sprintf_bytes(mac, drrw->drr_mac,
469 				    ZIO_DATA_MAC_LEN);
470 
471 				(void) printf("WRITE object = %llu type = %u "
472 				    "checksum type = %u compression type = %u\n"
473 				    "    flags = %u offset = %llu "
474 				    "logical_size = %llu "
475 				    "compressed_size = %llu "
476 				    "payload_size = %llu props = %llx "
477 				    "salt = %s iv = %s mac = %s\n",
478 				    (u_longlong_t)drrw->drr_object,
479 				    drrw->drr_type,
480 				    drrw->drr_checksumtype,
481 				    drrw->drr_compressiontype,
482 				    drrw->drr_flags,
483 				    (u_longlong_t)drrw->drr_offset,
484 				    (u_longlong_t)drrw->drr_logical_size,
485 				    (u_longlong_t)drrw->drr_compressed_size,
486 				    (u_longlong_t)payload_size,
487 				    (u_longlong_t)drrw->drr_key.ddk_prop,
488 				    salt,
489 				    iv,
490 				    mac);
491 			}
492 
493 			/*
494 			 * Read the contents of the block in from STDIN to buf
495 			 */
496 			(void) ssread(buf, payload_size, &zc);
497 			/*
498 			 * If in dump mode
499 			 */
500 			if (dump) {
501 				print_block(buf, payload_size);
502 			}
503 			total_write_size += payload_size;
504 			break;
505 
506 		case DRR_WRITE_BYREF:
507 			if (do_byteswap) {
508 				drrwbr->drr_object =
509 				    BSWAP_64(drrwbr->drr_object);
510 				drrwbr->drr_offset =
511 				    BSWAP_64(drrwbr->drr_offset);
512 				drrwbr->drr_length =
513 				    BSWAP_64(drrwbr->drr_length);
514 				drrwbr->drr_toguid =
515 				    BSWAP_64(drrwbr->drr_toguid);
516 				drrwbr->drr_refguid =
517 				    BSWAP_64(drrwbr->drr_refguid);
518 				drrwbr->drr_refobject =
519 				    BSWAP_64(drrwbr->drr_refobject);
520 				drrwbr->drr_refoffset =
521 				    BSWAP_64(drrwbr->drr_refoffset);
522 				drrwbr->drr_key.ddk_prop =
523 				    BSWAP_64(drrwbr->drr_key.ddk_prop);
524 			}
525 			if (verbose) {
526 				(void) printf("WRITE_BYREF object = %llu "
527 				    "checksum type = %u props = %llx\n"
528 				    "    offset = %llu length = %llu\n"
529 				    "toguid = %llx refguid = %llx\n"
530 				    "    refobject = %llu refoffset = %llu\n",
531 				    (u_longlong_t)drrwbr->drr_object,
532 				    drrwbr->drr_checksumtype,
533 				    (u_longlong_t)drrwbr->drr_key.ddk_prop,
534 				    (u_longlong_t)drrwbr->drr_offset,
535 				    (u_longlong_t)drrwbr->drr_length,
536 				    (u_longlong_t)drrwbr->drr_toguid,
537 				    (u_longlong_t)drrwbr->drr_refguid,
538 				    (u_longlong_t)drrwbr->drr_refobject,
539 				    (u_longlong_t)drrwbr->drr_refoffset);
540 			}
541 			break;
542 
543 		case DRR_FREE:
544 			if (do_byteswap) {
545 				drrf->drr_object = BSWAP_64(drrf->drr_object);
546 				drrf->drr_offset = BSWAP_64(drrf->drr_offset);
547 				drrf->drr_length = BSWAP_64(drrf->drr_length);
548 			}
549 			if (verbose) {
550 				(void) printf("FREE object = %llu "
551 				    "offset = %llu length = %lld\n",
552 				    (u_longlong_t)drrf->drr_object,
553 				    (u_longlong_t)drrf->drr_offset,
554 				    (longlong_t)drrf->drr_length);
555 			}
556 			break;
557 		case DRR_SPILL:
558 			if (do_byteswap) {
559 				drrs->drr_object = BSWAP_64(drrs->drr_object);
560 				drrs->drr_length = BSWAP_64(drrs->drr_length);
561 				drrs->drr_compressed_size =
562 				    BSWAP_64(drrs->drr_compressed_size);
563 				drrs->drr_type = BSWAP_32(drrs->drr_type);
564 			}
565 
566 			payload_size = DRR_SPILL_PAYLOAD_SIZE(drrs);
567 
568 			if (verbose) {
569 				sprintf_bytes(salt, drrs->drr_salt,
570 				    ZIO_DATA_SALT_LEN);
571 				sprintf_bytes(iv, drrs->drr_iv,
572 				    ZIO_DATA_IV_LEN);
573 				sprintf_bytes(mac, drrs->drr_mac,
574 				    ZIO_DATA_MAC_LEN);
575 
576 				(void) printf("SPILL block for object = %llu "
577 				    "length = %llu flags = %u "
578 				    "compression type = %u "
579 				    "compressed_size = %llu "
580 				    "payload_size = %llu "
581 				    "salt = %s iv = %s mac = %s\n",
582 				    (u_longlong_t)drrs->drr_object,
583 				    (u_longlong_t)drrs->drr_length,
584 				    drrs->drr_flags,
585 				    drrs->drr_compressiontype,
586 				    (u_longlong_t)drrs->drr_compressed_size,
587 				    (u_longlong_t)payload_size,
588 				    salt,
589 				    iv,
590 				    mac);
591 			}
592 			(void) ssread(buf, payload_size, &zc);
593 			if (dump) {
594 				print_block(buf, payload_size);
595 			}
596 			break;
597 		case DRR_WRITE_EMBEDDED:
598 			if (do_byteswap) {
599 				drrwe->drr_object =
600 				    BSWAP_64(drrwe->drr_object);
601 				drrwe->drr_offset =
602 				    BSWAP_64(drrwe->drr_offset);
603 				drrwe->drr_length =
604 				    BSWAP_64(drrwe->drr_length);
605 				drrwe->drr_toguid =
606 				    BSWAP_64(drrwe->drr_toguid);
607 				drrwe->drr_lsize =
608 				    BSWAP_32(drrwe->drr_lsize);
609 				drrwe->drr_psize =
610 				    BSWAP_32(drrwe->drr_psize);
611 			}
612 			if (verbose) {
613 				(void) printf("WRITE_EMBEDDED object = %llu "
614 				    "offset = %llu length = %llu\n"
615 				    "    toguid = %llx comp = %u etype = %u "
616 				    "lsize = %u psize = %u\n",
617 				    (u_longlong_t)drrwe->drr_object,
618 				    (u_longlong_t)drrwe->drr_offset,
619 				    (u_longlong_t)drrwe->drr_length,
620 				    (u_longlong_t)drrwe->drr_toguid,
621 				    drrwe->drr_compression,
622 				    drrwe->drr_etype,
623 				    drrwe->drr_lsize,
624 				    drrwe->drr_psize);
625 			}
626 			(void) ssread(buf,
627 			    P2ROUNDUP(drrwe->drr_psize, 8), &zc);
628 			break;
629 		case DRR_OBJECT_RANGE:
630 			if (do_byteswap) {
631 				drror->drr_firstobj =
632 				    BSWAP_64(drror->drr_firstobj);
633 				drror->drr_numslots =
634 				    BSWAP_64(drror->drr_numslots);
635 				drror->drr_toguid = BSWAP_64(drror->drr_toguid);
636 			}
637 			if (verbose) {
638 				sprintf_bytes(salt, drror->drr_salt,
639 				    ZIO_DATA_SALT_LEN);
640 				sprintf_bytes(iv, drror->drr_iv,
641 				    ZIO_DATA_IV_LEN);
642 				sprintf_bytes(mac, drror->drr_mac,
643 				    ZIO_DATA_MAC_LEN);
644 
645 				(void) printf("OBJECT_RANGE firstobj = %llu "
646 				    "numslots = %llu flags = %u "
647 				    "salt = %s iv = %s mac = %s\n",
648 				    (u_longlong_t)drror->drr_firstobj,
649 				    (u_longlong_t)drror->drr_numslots,
650 				    drror->drr_flags,
651 				    salt,
652 				    iv,
653 				    mac);
654 			}
655 			break;
656 		case DRR_NUMTYPES:
657 			/* should never be reached */
658 			exit(1);
659 		}
660 		if (drr->drr_type != DRR_BEGIN && very_verbose) {
661 			(void) printf("    checksum = %llx/%llx/%llx/%llx\n",
662 			    (longlong_t)drrc->drr_checksum.zc_word[0],
663 			    (longlong_t)drrc->drr_checksum.zc_word[1],
664 			    (longlong_t)drrc->drr_checksum.zc_word[2],
665 			    (longlong_t)drrc->drr_checksum.zc_word[3]);
666 		}
667 		pcksum = zc;
668 	}
669 	free(buf);
670 	fletcher_4_fini();
671 
672 	/* Print final summary */
673 
674 	(void) printf("SUMMARY:\n");
675 	(void) printf("\tTotal DRR_BEGIN records = %lld\n",
676 	    (u_longlong_t)drr_record_count[DRR_BEGIN]);
677 	(void) printf("\tTotal DRR_END records = %lld\n",
678 	    (u_longlong_t)drr_record_count[DRR_END]);
679 	(void) printf("\tTotal DRR_OBJECT records = %lld\n",
680 	    (u_longlong_t)drr_record_count[DRR_OBJECT]);
681 	(void) printf("\tTotal DRR_FREEOBJECTS records = %lld\n",
682 	    (u_longlong_t)drr_record_count[DRR_FREEOBJECTS]);
683 	(void) printf("\tTotal DRR_WRITE records = %lld\n",
684 	    (u_longlong_t)drr_record_count[DRR_WRITE]);
685 	(void) printf("\tTotal DRR_WRITE_BYREF records = %lld\n",
686 	    (u_longlong_t)drr_record_count[DRR_WRITE_BYREF]);
687 	(void) printf("\tTotal DRR_WRITE_EMBEDDED records = %lld\n",
688 	    (u_longlong_t)drr_record_count[DRR_WRITE_EMBEDDED]);
689 	(void) printf("\tTotal DRR_FREE records = %lld\n",
690 	    (u_longlong_t)drr_record_count[DRR_FREE]);
691 	(void) printf("\tTotal DRR_SPILL records = %lld\n",
692 	    (u_longlong_t)drr_record_count[DRR_SPILL]);
693 	(void) printf("\tTotal records = %lld\n",
694 	    (u_longlong_t)total_records);
695 	(void) printf("\tTotal write size = %lld (0x%llx)\n",
696 	    (u_longlong_t)total_write_size, (u_longlong_t)total_write_size);
697 	(void) printf("\tTotal stream length = %lld (0x%llx)\n",
698 	    (u_longlong_t)total_stream_len, (u_longlong_t)total_stream_len);
699 	return (0);
700 }
701