cmd/zstream/zstream_dump.c

   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  * Portions Copyright 2012 Martin Matuska <martin@matuska.org>
  27  */
  28
  29 /*
  30  * Copyright (c) 2013, 2015 by Delphix. All rights reserved.
  31  */
  32
  33 #include <ctype.h>
  34 #include <libnvpair.h>
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <string.h>
  38 #include <unistd.h>
  39 #include <stddef.h>
  40
  41 #include <sys/dmu.h>
  42 #include <sys/zfs_ioctl.h>
  43 #include <sys/zio.h>
  44 #include <zfs_fletcher.h>
  45 #include "zstream.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_stream_len = 0;
  58 FILE *send_stream = 0;
  59 boolean_t do_byteswap = B_FALSE;
  60 boolean_t do_cksum = B_TRUE;
  61
  62 void *
  63 safe_malloc(size_t size)
  64 {
  65         void *rv = malloc(size);
  66         if (rv == NULL) {
  67                 (void) fprintf(stderr, "ERROR; failed to allocate %zu bytes\n",
  68                     size);
  69                 abort();
  70         }
  71         return (rv);
  72 }
  73
  74 /*
  75  * ssread - send stream read.
  76  *
  77  * Read while computing incremental checksum
  78  */
  79 static size_t
  80 ssread(void *buf, size_t len, zio_cksum_t *cksum)
  81 {
  82         size_t outlen;
  83
  84         if ((outlen = fread(buf, len, 1, send_stream)) == 0)
  85                 return (0);
  86
  87         if (do_cksum) {
  88                 if (do_byteswap)
  89                         fletcher_4_incremental_byteswap(buf, len, cksum);
  90                 else
  91                         fletcher_4_incremental_native(buf, len, cksum);
  92         }
  93         total_stream_len += len;
  94         return (outlen);
  95 }
  96
  97 static size_t
  98 read_hdr(dmu_replay_record_t *drr, zio_cksum_t *cksum)
  99 {
 100         ASSERT3U(offsetof(dmu_replay_record_t, drr_u.drr_checksum.drr_checksum),
 101             ==, sizeof (dmu_replay_record_t) - sizeof (zio_cksum_t));
 102         size_t r = ssread(drr, sizeof (*drr) - sizeof (zio_cksum_t), cksum);
 103         if (r == 0)
 104                 return (0);
 105         zio_cksum_t saved_cksum = *cksum;
 106         r = ssread(&drr->drr_u.drr_checksum.drr_checksum,
 107             sizeof (zio_cksum_t), cksum);
 108         if (r == 0)
 109                 return (0);
 110         if (do_cksum &&
 111             !ZIO_CHECKSUM_IS_ZERO(&drr->drr_u.drr_checksum.drr_checksum) &&
 112             !ZIO_CHECKSUM_EQUAL(saved_cksum,
 113             drr->drr_u.drr_checksum.drr_checksum)) {
 114                 fprintf(stderr, "invalid checksum\n");
 115                 (void) printf("Incorrect checksum in record header.\n");
 116                 (void) printf("Expected checksum = %llx/%llx/%llx/%llx\n",
 117                     (longlong_t)saved_cksum.zc_word[0],
 118                     (longlong_t)saved_cksum.zc_word[1],
 119                     (longlong_t)saved_cksum.zc_word[2],
 120                     (longlong_t)saved_cksum.zc_word[3]);
 121                 return (0);
 122         }
 123         return (sizeof (*drr));
 124 }
 125
 126 /*
 127  * Print part of a block in ASCII characters
 128  */
 129 static void
 130 print_ascii_block(char *subbuf, int length)
 131 {
 132         int i;
 133
 134         for (i = 0; i < length; i++) {
 135                 char char_print = isprint(subbuf[i]) ? subbuf[i] : '.';
 136                 if (i != 0 && i % DUMP_GROUPING == 0) {
 137                         (void) printf(" ");
 138                 }
 139                 (void) printf("%c", char_print);
 140         }
 141         (void) printf("\n");
 142 }
 143
 144 /*
 145  * print_block - Dump the contents of a modified block to STDOUT
 146  *
 147  * Assume that buf has capacity evenly divisible by BYTES_PER_LINE
 148  */
 149 static void
 150 print_block(char *buf, int length)
 151 {
 152         int i;
 153         /*
 154          * Start printing ASCII characters at a constant offset, after
 155          * the hex prints. Leave 3 characters per byte on a line (2 digit
 156          * hex number plus 1 space) plus spaces between characters and
 157          * groupings.
 158          */
 159         int ascii_start = BYTES_PER_LINE * 3 +
 160             BYTES_PER_LINE / DUMP_GROUPING + 2;
 161
 162         for (i = 0; i < length; i += BYTES_PER_LINE) {
 163                 int j;
 164                 int this_line_length = MIN(BYTES_PER_LINE, length - i);
 165                 int print_offset = 0;
 166
 167                 for (j = 0; j < this_line_length; j++) {
 168                         int buf_offset = i + j;
 169
 170                         /*
 171                          * Separate every DUMP_GROUPING bytes by a space.
 172                          */
 173                         if (buf_offset % DUMP_GROUPING == 0) {
 174                                 print_offset += printf(" ");
 175                         }
 176
 177                         /*
 178                          * Print the two-digit hex value for this byte.
 179                          */
 180                         unsigned char hex_print = buf[buf_offset];
 181                         print_offset += printf("%02x ", hex_print);
 182                 }
 183
 184                 (void) printf("%*s", ascii_start - print_offset, " ");
 185
 186                 print_ascii_block(buf + i, this_line_length);
 187         }
 188 }
 189
 190 /*
 191  * Print an array of bytes to stdout as hexadecimal characters. str must
 192  * have buf_len * 2 + 1 bytes of space.
 193  */
 194 static void
 195 sprintf_bytes(char *str, uint8_t *buf, uint_t buf_len)
 196 {
 197         int i, n;
 198
 199         for (i = 0; i < buf_len; i++) {
 200                 n = sprintf(str, "%02x", buf[i] & 0xff);
 201                 str += n;
 202         }
 203
 204         str[0] = '\0';
 205 }
 206
 207 int
 208 zstream_do_dump(int argc, char *argv[])
 209 {
 210         char *buf = safe_malloc(SPA_MAXBLOCKSIZE);
 211         uint64_t drr_record_count[DRR_NUMTYPES] = { 0 };
 212         uint64_t total_payload_size = 0;
 213         uint64_t total_overhead_size = 0;
 214         uint64_t drr_byte_count[DRR_NUMTYPES] = { 0 };
 215         char salt[ZIO_DATA_SALT_LEN * 2 + 1];
 216         char iv[ZIO_DATA_IV_LEN * 2 + 1];
 217         char mac[ZIO_DATA_MAC_LEN * 2 + 1];
 218         uint64_t total_records = 0;
 219         uint64_t payload_size;
 220         dmu_replay_record_t thedrr;
 221         dmu_replay_record_t *drr = &thedrr;
 222         struct drr_begin *drrb = &thedrr.drr_u.drr_begin;
 223         struct drr_end *drre = &thedrr.drr_u.drr_end;
 224         struct drr_object *drro = &thedrr.drr_u.drr_object;
 225         struct drr_freeobjects *drrfo = &thedrr.drr_u.drr_freeobjects;
 226         struct drr_write *drrw = &thedrr.drr_u.drr_write;
 227         struct drr_write_byref *drrwbr = &thedrr.drr_u.drr_write_byref;
 228         struct drr_free *drrf = &thedrr.drr_u.drr_free;
 229         struct drr_spill *drrs = &thedrr.drr_u.drr_spill;
 230         struct drr_write_embedded *drrwe = &thedrr.drr_u.drr_write_embedded;
 231         struct drr_object_range *drror = &thedrr.drr_u.drr_object_range;
 232         struct drr_redact *drrr = &thedrr.drr_u.drr_redact;
 233         struct drr_checksum *drrc = &thedrr.drr_u.drr_checksum;
 234         int c;
 235         boolean_t verbose = B_FALSE;
 236         boolean_t very_verbose = B_FALSE;
 237         boolean_t first = B_TRUE;
 238         /*
 239          * dump flag controls whether the contents of any modified data blocks
 240          * are printed to the console during processing of the stream. Warning:
 241          * for large streams, this can obviously lead to massive prints.
 242          */
 243         boolean_t dump = B_FALSE;
 244         int err;
 245         zio_cksum_t zc = { { 0 } };
 246         zio_cksum_t pcksum = { { 0 } };
 247
 248         while ((c = getopt(argc, argv, ":vCd")) != -1) {
 249                 switch (c) {
 250                 case 'C':
 251                         do_cksum = B_FALSE;
 252                         break;
 253                 case 'v':
 254                         if (verbose)
 255                                 very_verbose = B_TRUE;
 256                         verbose = B_TRUE;
 257                         break;
 258                 case 'd':
 259                         dump = B_TRUE;
 260                         verbose = B_TRUE;
 261                         very_verbose = B_TRUE;
 262                         break;
 263                 case ':':
 264                         (void) fprintf(stderr,
 265                             "missing argument for '%c' option\n", optopt);
 266                         zstream_usage();
 267                         break;
 268                 case '?':
 269                         (void) fprintf(stderr, "invalid option '%c'\n",
 270                             optopt);
 271                         zstream_usage();
 272                         break;
 273                 }
 274         }
 275
 276         if (argc > optind) {
 277                 const char *filename = argv[optind];
 278                 send_stream = fopen(filename, "r");
 279                 if (send_stream == NULL) {
 280                         (void) fprintf(stderr,
 281                             "Error while opening file '%s': %s\n",
 282                             filename, strerror(errno));
 283                         exit(1);
 284                 }
 285         } else {
 286                 if (isatty(STDIN_FILENO)) {
 287                         (void) fprintf(stderr,
 288                             "Error: The send stream is a binary format "
 289                             "and can not be read from a\n"
 290                             "terminal.  Standard input must be redirected, "
 291                             "or a file must be\n"
 292                             "specified as a command-line argument.\n");
 293                         exit(1);
 294                 }
 295                 send_stream = stdin;
 296         }
 297
 298         fletcher_4_init();
 299         while (read_hdr(drr, &zc)) {
 300                 uint64_t featureflags = 0;
 301
 302                 /*
 303                  * If this is the first DMU record being processed, check for
 304                  * the magic bytes and figure out the endian-ness based on them.
 305                  */
 306                 if (first) {
 307                         if (drrb->drr_magic == BSWAP_64(DMU_BACKUP_MAGIC)) {
 308                                 do_byteswap = B_TRUE;
 309                                 if (do_cksum) {
 310                                         ZIO_SET_CHECKSUM(&zc, 0, 0, 0, 0);
 311                                         /*
 312                                          * recalculate header checksum now
 313                                          * that we know it needs to be
 314                                          * byteswapped.
 315                                          */
 316                                         fletcher_4_incremental_byteswap(drr,
 317                                             sizeof (dmu_replay_record_t), &zc);
 318                                 }
 319                         } else if (drrb->drr_magic != DMU_BACKUP_MAGIC) {
 320                                 (void) fprintf(stderr, "Invalid stream "
 321                                     "(bad magic number)\n");
 322                                 exit(1);
 323                         }
 324                         first = B_FALSE;
 325                 }
 326                 if (do_byteswap) {
 327                         drr->drr_type = BSWAP_32(drr->drr_type);
 328                         drr->drr_payloadlen =
 329                             BSWAP_32(drr->drr_payloadlen);
 330                 }
 331
 332                 /*
 333                  * At this point, the leading fields of the replay record
 334                  * (drr_type and drr_payloadlen) have been byte-swapped if
 335                  * necessary, but the rest of the data structure (the
 336                  * union of type-specific structures) is still in its
 337                  * original state.
 338                  */
 339                 if (drr->drr_type >= DRR_NUMTYPES) {
 340                         (void) printf("INVALID record found: type 0x%x\n",
 341                             drr->drr_type);
 342                         (void) printf("Aborting.\n");
 343                         exit(1);
 344                 }
 345
 346                 drr_record_count[drr->drr_type]++;
 347                 total_overhead_size += sizeof (*drr);
 348                 total_records++;
 349                 payload_size = 0;
 350
 351                 switch (drr->drr_type) {
 352                 case DRR_BEGIN:
 353                         if (do_byteswap) {
 354                                 drrb->drr_magic = BSWAP_64(drrb->drr_magic);
 355                                 drrb->drr_versioninfo =
 356                                     BSWAP_64(drrb->drr_versioninfo);
 357                                 drrb->drr_creation_time =
 358                                     BSWAP_64(drrb->drr_creation_time);
 359                                 drrb->drr_type = BSWAP_32(drrb->drr_type);
 360                                 drrb->drr_flags = BSWAP_32(drrb->drr_flags);
 361                                 drrb->drr_toguid = BSWAP_64(drrb->drr_toguid);
 362                                 drrb->drr_fromguid =
 363                                     BSWAP_64(drrb->drr_fromguid);
 364                         }
 365
 366                         featureflags =
 367                             DMU_GET_FEATUREFLAGS(drrb->drr_versioninfo);
 368
 369                         (void) printf("BEGIN record\n");
 370                         (void) printf("\thdrtype = %lld\n",
 371                             DMU_GET_STREAM_HDRTYPE(drrb->drr_versioninfo));
 372                         (void) printf("\tfeatures = %llx\n",
 373                             DMU_GET_FEATUREFLAGS(drrb->drr_versioninfo));
 374                         (void) printf("\tmagic = %llx\n",
 375                             (u_longlong_t)drrb->drr_magic);
 376                         (void) printf("\tcreation_time = %llx\n",
 377                             (u_longlong_t)drrb->drr_creation_time);
 378                         (void) printf("\ttype = %u\n", drrb->drr_type);
 379                         (void) printf("\tflags = 0x%x\n", drrb->drr_flags);
 380                         (void) printf("\ttoguid = %llx\n",
 381                             (u_longlong_t)drrb->drr_toguid);
 382                         (void) printf("\tfromguid = %llx\n",
 383                             (u_longlong_t)drrb->drr_fromguid);
 384                         (void) printf("\ttoname = %s\n", drrb->drr_toname);
 385                         (void) printf("\tpayloadlen = %u\n",
 386                             drr->drr_payloadlen);
 387                         if (verbose)
 388                                 (void) printf("\n");
 389
 390                         if (drr->drr_payloadlen != 0) {
 391                                 nvlist_t *nv;
 392                                 int sz = drr->drr_payloadlen;
 393
 394                                 if (sz > SPA_MAXBLOCKSIZE) {
 395                                         free(buf);
 396                                         buf = safe_malloc(sz);
 397                                 }
 398                                 (void) ssread(buf, sz, &zc);
 399                                 if (ferror(send_stream))
 400                                         perror("fread");
 401                                 err = nvlist_unpack(buf, sz, &nv, 0);
 402                                 if (err) {
 403                                         perror(strerror(err));
 404                                 } else {
 405                                         nvlist_print(stdout, nv);
 406                                         nvlist_free(nv);
 407                                 }
 408                                 payload_size = sz;
 409                         }
 410                         break;
 411
 412                 case DRR_END:
 413                         if (do_byteswap) {
 414                                 drre->drr_checksum.zc_word[0] =
 415                                     BSWAP_64(drre->drr_checksum.zc_word[0]);
 416                                 drre->drr_checksum.zc_word[1] =
 417                                     BSWAP_64(drre->drr_checksum.zc_word[1]);
 418                                 drre->drr_checksum.zc_word[2] =
 419                                     BSWAP_64(drre->drr_checksum.zc_word[2]);
 420                                 drre->drr_checksum.zc_word[3] =
 421                                     BSWAP_64(drre->drr_checksum.zc_word[3]);
 422                         }
 423                         /*
 424                          * We compare against the *previous* checksum
 425                          * value, because the stored checksum is of
 426                          * everything before the DRR_END record.
 427                          */
 428                         if (do_cksum && !ZIO_CHECKSUM_EQUAL(drre->drr_checksum,
 429                             pcksum)) {
 430                                 (void) printf("Expected checksum differs from "
 431                                     "checksum in stream.\n");
 432                                 (void) printf("Expected checksum = "
 433                                     "%llx/%llx/%llx/%llx\n",
 434                                     (long long unsigned int)pcksum.zc_word[0],
 435                                     (long long unsigned int)pcksum.zc_word[1],
 436                                     (long long unsigned int)pcksum.zc_word[2],
 437                                     (long long unsigned int)pcksum.zc_word[3]);
 438                         }
 439                         (void) printf("END checksum = %llx/%llx/%llx/%llx\n",
 440                             (long long unsigned int)
 441                             drre->drr_checksum.zc_word[0],
 442                             (long long unsigned int)
 443                             drre->drr_checksum.zc_word[1],
 444                             (long long unsigned int)
 445                             drre->drr_checksum.zc_word[2],
 446                             (long long unsigned int)
 447                             drre->drr_checksum.zc_word[3]);
 448
 449                         ZIO_SET_CHECKSUM(&zc, 0, 0, 0, 0);
 450                         break;
 451
 452                 case DRR_OBJECT:
 453                         if (do_byteswap) {
 454                                 drro->drr_object = BSWAP_64(drro->drr_object);
 455                                 drro->drr_type = BSWAP_32(drro->drr_type);
 456                                 drro->drr_bonustype =
 457                                     BSWAP_32(drro->drr_bonustype);
 458                                 drro->drr_blksz = BSWAP_32(drro->drr_blksz);
 459                                 drro->drr_bonuslen =
 460                                     BSWAP_32(drro->drr_bonuslen);
 461                                 drro->drr_raw_bonuslen =
 462                                     BSWAP_32(drro->drr_raw_bonuslen);
 463                                 drro->drr_toguid = BSWAP_64(drro->drr_toguid);
 464                                 drro->drr_maxblkid =
 465                                     BSWAP_64(drro->drr_maxblkid);
 466                         }
 467
 468                         if (featureflags & DMU_BACKUP_FEATURE_RAW &&
 469                             drro->drr_bonuslen > drro->drr_raw_bonuslen) {
 470                                 (void) fprintf(stderr,
 471                                     "Warning: Object %llu has bonuslen = "
 472                                     "%u > raw_bonuslen = %u\n\n",
 473                                     (u_longlong_t)drro->drr_object,
 474                                     drro->drr_bonuslen, drro->drr_raw_bonuslen);
 475                         }
 476
 477                         payload_size = DRR_OBJECT_PAYLOAD_SIZE(drro);
 478
 479                         if (verbose) {
 480                                 (void) printf("OBJECT object = %llu type = %u "
 481                                     "bonustype = %u blksz = %u bonuslen = %u "
 482                                     "dn_slots = %u raw_bonuslen = %u "
 483                                     "flags = %u maxblkid = %llu "
 484                                     "indblkshift = %u nlevels = %u "
 485                                     "nblkptr = %u\n",
 486                                     (u_longlong_t)drro->drr_object,
 487                                     drro->drr_type,
 488                                     drro->drr_bonustype,
 489                                     drro->drr_blksz,
 490                                     drro->drr_bonuslen,
 491                                     drro->drr_dn_slots,
 492                                     drro->drr_raw_bonuslen,
 493                                     drro->drr_flags,
 494                                     (u_longlong_t)drro->drr_maxblkid,
 495                                     drro->drr_indblkshift,
 496                                     drro->drr_nlevels,
 497                                     drro->drr_nblkptr);
 498                         }
 499                         if (drro->drr_bonuslen > 0) {
 500                                 (void) ssread(buf, payload_size, &zc);
 501                                 if (dump)
 502                                         print_block(buf, payload_size);
 503                         }
 504                         break;
 505
 506                 case DRR_FREEOBJECTS:
 507                         if (do_byteswap) {
 508                                 drrfo->drr_firstobj =
 509                                     BSWAP_64(drrfo->drr_firstobj);
 510                                 drrfo->drr_numobjs =
 511                                     BSWAP_64(drrfo->drr_numobjs);
 512                                 drrfo->drr_toguid = BSWAP_64(drrfo->drr_toguid);
 513                         }
 514                         if (verbose) {
 515                                 (void) printf("FREEOBJECTS firstobj = %llu "
 516                                     "numobjs = %llu\n",
 517                                     (u_longlong_t)drrfo->drr_firstobj,
 518                                     (u_longlong_t)drrfo->drr_numobjs);
 519                         }
 520                         break;
 521
 522                 case DRR_WRITE:
 523                         if (do_byteswap) {
 524                                 drrw->drr_object = BSWAP_64(drrw->drr_object);
 525                                 drrw->drr_type = BSWAP_32(drrw->drr_type);
 526                                 drrw->drr_offset = BSWAP_64(drrw->drr_offset);
 527                                 drrw->drr_logical_size =
 528                                     BSWAP_64(drrw->drr_logical_size);
 529                                 drrw->drr_toguid = BSWAP_64(drrw->drr_toguid);
 530                                 drrw->drr_key.ddk_prop =
 531                                     BSWAP_64(drrw->drr_key.ddk_prop);
 532                                 drrw->drr_compressed_size =
 533                                     BSWAP_64(drrw->drr_compressed_size);
 534                         }
 535
 536                         payload_size = DRR_WRITE_PAYLOAD_SIZE(drrw);
 537
 538                         /*
 539                          * If this is verbose and/or dump output,
 540                          * print info on the modified block
 541                          */
 542                         if (verbose) {
 543                                 sprintf_bytes(salt, drrw->drr_salt,
 544                                     ZIO_DATA_SALT_LEN);
 545                                 sprintf_bytes(iv, drrw->drr_iv,
 546                                     ZIO_DATA_IV_LEN);
 547                                 sprintf_bytes(mac, drrw->drr_mac,
 548                                     ZIO_DATA_MAC_LEN);
 549
 550                                 (void) printf("WRITE object = %llu type = %u "
 551                                     "checksum type = %u compression type = %u "
 552                                     "flags = %u offset = %llu "
 553                                     "logical_size = %llu "
 554                                     "compressed_size = %llu "
 555                                     "payload_size = %llu props = %llx "
 556                                     "salt = %s iv = %s mac = %s\n",
 557                                     (u_longlong_t)drrw->drr_object,
 558                                     drrw->drr_type,
 559                                     drrw->drr_checksumtype,
 560                                     drrw->drr_compressiontype,
 561                                     drrw->drr_flags,
 562                                     (u_longlong_t)drrw->drr_offset,
 563                                     (u_longlong_t)drrw->drr_logical_size,
 564                                     (u_longlong_t)drrw->drr_compressed_size,
 565                                     (u_longlong_t)payload_size,
 566                                     (u_longlong_t)drrw->drr_key.ddk_prop,
 567                                     salt,
 568                                     iv,
 569                                     mac);
 570                         }
 571
 572                         /*
 573                          * Read the contents of the block in from STDIN to buf
 574                          */
 575                         (void) ssread(buf, payload_size, &zc);
 576                         /*
 577                          * If in dump mode
 578                          */
 579                         if (dump) {
 580                                 print_block(buf, payload_size);
 581                         }
 582                         break;
 583
 584                 case DRR_WRITE_BYREF:
 585                         if (do_byteswap) {
 586                                 drrwbr->drr_object =
 587                                     BSWAP_64(drrwbr->drr_object);
 588                                 drrwbr->drr_offset =
 589                                     BSWAP_64(drrwbr->drr_offset);
 590                                 drrwbr->drr_length =
 591                                     BSWAP_64(drrwbr->drr_length);
 592                                 drrwbr->drr_toguid =
 593                                     BSWAP_64(drrwbr->drr_toguid);
 594                                 drrwbr->drr_refguid =
 595                                     BSWAP_64(drrwbr->drr_refguid);
 596                                 drrwbr->drr_refobject =
 597                                     BSWAP_64(drrwbr->drr_refobject);
 598                                 drrwbr->drr_refoffset =
 599                                     BSWAP_64(drrwbr->drr_refoffset);
 600                                 drrwbr->drr_key.ddk_prop =
 601                                     BSWAP_64(drrwbr->drr_key.ddk_prop);
 602                         }
 603                         if (verbose) {
 604                                 (void) printf("WRITE_BYREF object = %llu "
 605                                     "checksum type = %u props = %llx "
 606                                     "offset = %llu length = %llu "
 607                                     "toguid = %llx refguid = %llx "
 608                                     "refobject = %llu refoffset = %llu\n",
 609                                     (u_longlong_t)drrwbr->drr_object,
 610                                     drrwbr->drr_checksumtype,
 611                                     (u_longlong_t)drrwbr->drr_key.ddk_prop,
 612                                     (u_longlong_t)drrwbr->drr_offset,
 613                                     (u_longlong_t)drrwbr->drr_length,
 614                                     (u_longlong_t)drrwbr->drr_toguid,
 615                                     (u_longlong_t)drrwbr->drr_refguid,
 616                                     (u_longlong_t)drrwbr->drr_refobject,
 617                                     (u_longlong_t)drrwbr->drr_refoffset);
 618                         }
 619                         break;
 620
 621                 case DRR_FREE:
 622                         if (do_byteswap) {
 623                                 drrf->drr_object = BSWAP_64(drrf->drr_object);
 624                                 drrf->drr_offset = BSWAP_64(drrf->drr_offset);
 625                                 drrf->drr_length = BSWAP_64(drrf->drr_length);
 626                         }
 627                         if (verbose) {
 628                                 (void) printf("FREE object = %llu "
 629                                     "offset = %llu length = %lld\n",
 630                                     (u_longlong_t)drrf->drr_object,
 631                                     (u_longlong_t)drrf->drr_offset,
 632                                     (longlong_t)drrf->drr_length);
 633                         }
 634                         break;
 635                 case DRR_SPILL:
 636                         if (do_byteswap) {
 637                                 drrs->drr_object = BSWAP_64(drrs->drr_object);
 638                                 drrs->drr_length = BSWAP_64(drrs->drr_length);
 639                                 drrs->drr_compressed_size =
 640                                     BSWAP_64(drrs->drr_compressed_size);
 641                                 drrs->drr_type = BSWAP_32(drrs->drr_type);
 642                         }
 643
 644                         payload_size = DRR_SPILL_PAYLOAD_SIZE(drrs);
 645
 646                         if (verbose) {
 647                                 sprintf_bytes(salt, drrs->drr_salt,
 648                                     ZIO_DATA_SALT_LEN);
 649                                 sprintf_bytes(iv, drrs->drr_iv,
 650                                     ZIO_DATA_IV_LEN);
 651                                 sprintf_bytes(mac, drrs->drr_mac,
 652                                     ZIO_DATA_MAC_LEN);
 653
 654                                 (void) printf("SPILL block for object = %llu "
 655                                     "length = %llu flags = %u "
 656                                     "compression type = %u "
 657                                     "compressed_size = %llu "
 658                                     "payload_size = %llu "
 659                                     "salt = %s iv = %s mac = %s\n",
 660                                     (u_longlong_t)drrs->drr_object,
 661                                     (u_longlong_t)drrs->drr_length,
 662                                     drrs->drr_flags,
 663                                     drrs->drr_compressiontype,
 664                                     (u_longlong_t)drrs->drr_compressed_size,
 665                                     (u_longlong_t)payload_size,
 666                                     salt,
 667                                     iv,
 668                                     mac);
 669                         }
 670                         (void) ssread(buf, payload_size, &zc);
 671                         if (dump) {
 672                                 print_block(buf, payload_size);
 673                         }
 674                         break;
 675                 case DRR_WRITE_EMBEDDED:
 676                         if (do_byteswap) {
 677                                 drrwe->drr_object =
 678                                     BSWAP_64(drrwe->drr_object);
 679                                 drrwe->drr_offset =
 680                                     BSWAP_64(drrwe->drr_offset);
 681                                 drrwe->drr_length =
 682                                     BSWAP_64(drrwe->drr_length);
 683                                 drrwe->drr_toguid =
 684                                     BSWAP_64(drrwe->drr_toguid);
 685                                 drrwe->drr_lsize =
 686                                     BSWAP_32(drrwe->drr_lsize);
 687                                 drrwe->drr_psize =
 688                                     BSWAP_32(drrwe->drr_psize);
 689                         }
 690                         if (verbose) {
 691                                 (void) printf("WRITE_EMBEDDED object = %llu "
 692                                     "offset = %llu length = %llu "
 693                                     "toguid = %llx comp = %u etype = %u "
 694                                     "lsize = %u psize = %u\n",
 695                                     (u_longlong_t)drrwe->drr_object,
 696                                     (u_longlong_t)drrwe->drr_offset,
 697                                     (u_longlong_t)drrwe->drr_length,
 698                                     (u_longlong_t)drrwe->drr_toguid,
 699                                     drrwe->drr_compression,
 700                                     drrwe->drr_etype,
 701                                     drrwe->drr_lsize,
 702                                     drrwe->drr_psize);
 703                         }
 704                         (void) ssread(buf,
 705                             P2ROUNDUP(drrwe->drr_psize, 8), &zc);
 706                         if (dump) {
 707                                 print_block(buf,
 708                                     P2ROUNDUP(drrwe->drr_psize, 8));
 709                         }
 710                         payload_size = P2ROUNDUP(drrwe->drr_psize, 8);
 711                         break;
 712                 case DRR_OBJECT_RANGE:
 713                         if (do_byteswap) {
 714                                 drror->drr_firstobj =
 715                                     BSWAP_64(drror->drr_firstobj);
 716                                 drror->drr_numslots =
 717                                     BSWAP_64(drror->drr_numslots);
 718                                 drror->drr_toguid = BSWAP_64(drror->drr_toguid);
 719                         }
 720                         if (verbose) {
 721                                 sprintf_bytes(salt, drror->drr_salt,
 722                                     ZIO_DATA_SALT_LEN);
 723                                 sprintf_bytes(iv, drror->drr_iv,
 724                                     ZIO_DATA_IV_LEN);
 725                                 sprintf_bytes(mac, drror->drr_mac,
 726                                     ZIO_DATA_MAC_LEN);
 727
 728                                 (void) printf("OBJECT_RANGE firstobj = %llu "
 729                                     "numslots = %llu flags = %u "
 730                                     "salt = %s iv = %s mac = %s\n",
 731                                     (u_longlong_t)drror->drr_firstobj,
 732                                     (u_longlong_t)drror->drr_numslots,
 733                                     drror->drr_flags,
 734                                     salt,
 735                                     iv,
 736                                     mac);
 737                         }
 738                         break;
 739                 case DRR_REDACT:
 740                         if (do_byteswap) {
 741                                 drrr->drr_object = BSWAP_64(drrr->drr_object);
 742                                 drrr->drr_offset = BSWAP_64(drrr->drr_offset);
 743                                 drrr->drr_length = BSWAP_64(drrr->drr_length);
 744                                 drrr->drr_toguid = BSWAP_64(drrr->drr_toguid);
 745                         }
 746                         if (verbose) {
 747                                 (void) printf("REDACT object = %llu offset = "
 748                                     "%llu length = %llu\n",
 749                                     (u_longlong_t)drrr->drr_object,
 750                                     (u_longlong_t)drrr->drr_offset,
 751                                     (u_longlong_t)drrr->drr_length);
 752                         }
 753                         break;
 754                 case DRR_NUMTYPES:
 755                         /* should never be reached */
 756                         exit(1);
 757                 }
 758                 if (drr->drr_type != DRR_BEGIN && very_verbose) {
 759                         (void) printf("    checksum = %llx/%llx/%llx/%llx\n",
 760                             (longlong_t)drrc->drr_checksum.zc_word[0],
 761                             (longlong_t)drrc->drr_checksum.zc_word[1],
 762                             (longlong_t)drrc->drr_checksum.zc_word[2],
 763                             (longlong_t)drrc->drr_checksum.zc_word[3]);
 764                 }
 765                 pcksum = zc;
 766                 drr_byte_count[drr->drr_type] += payload_size;
 767                 total_payload_size += payload_size;
 768         }
 769         free(buf);
 770         fletcher_4_fini();
 771
 772         /* Print final summary */
 773
 774         (void) printf("SUMMARY:\n");
 775         (void) printf("\tTotal DRR_BEGIN records = %lld (%llu bytes)\n",
 776             (u_longlong_t)drr_record_count[DRR_BEGIN],
 777             (u_longlong_t)drr_byte_count[DRR_BEGIN]);
 778         (void) printf("\tTotal DRR_END records = %lld (%llu bytes)\n",
 779             (u_longlong_t)drr_record_count[DRR_END],
 780             (u_longlong_t)drr_byte_count[DRR_END]);
 781         (void) printf("\tTotal DRR_OBJECT records = %lld (%llu bytes)\n",
 782             (u_longlong_t)drr_record_count[DRR_OBJECT],
 783             (u_longlong_t)drr_byte_count[DRR_OBJECT]);
 784         (void) printf("\tTotal DRR_FREEOBJECTS records = %lld (%llu bytes)\n",
 785             (u_longlong_t)drr_record_count[DRR_FREEOBJECTS],
 786             (u_longlong_t)drr_byte_count[DRR_FREEOBJECTS]);
 787         (void) printf("\tTotal DRR_WRITE records = %lld (%llu bytes)\n",
 788             (u_longlong_t)drr_record_count[DRR_WRITE],
 789             (u_longlong_t)drr_byte_count[DRR_WRITE]);
 790         (void) printf("\tTotal DRR_WRITE_BYREF records = %lld (%llu bytes)\n",
 791             (u_longlong_t)drr_record_count[DRR_WRITE_BYREF],
 792             (u_longlong_t)drr_byte_count[DRR_WRITE_BYREF]);
 793         (void) printf("\tTotal DRR_WRITE_EMBEDDED records = %lld (%llu "
 794             "bytes)\n", (u_longlong_t)drr_record_count[DRR_WRITE_EMBEDDED],
 795             (u_longlong_t)drr_byte_count[DRR_WRITE_EMBEDDED]);
 796         (void) printf("\tTotal DRR_FREE records = %lld (%llu bytes)\n",
 797             (u_longlong_t)drr_record_count[DRR_FREE],
 798             (u_longlong_t)drr_byte_count[DRR_FREE]);
 799         (void) printf("\tTotal DRR_SPILL records = %lld (%llu bytes)\n",
 800             (u_longlong_t)drr_record_count[DRR_SPILL],
 801             (u_longlong_t)drr_byte_count[DRR_SPILL]);
 802         (void) printf("\tTotal records = %lld\n",
 803             (u_longlong_t)total_records);
 804         (void) printf("\tTotal payload size = %lld (0x%llx)\n",
 805             (u_longlong_t)total_payload_size, (u_longlong_t)total_payload_size);
 806         (void) printf("\tTotal header overhead = %lld (0x%llx)\n",
 807             (u_longlong_t)total_overhead_size,
 808             (u_longlong_t)total_overhead_size);
 809         (void) printf("\tTotal stream length = %lld (0x%llx)\n",
 810             (u_longlong_t)total_stream_len, (u_longlong_t)total_stream_len);
 811         return (0);
 812 }