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 <strings.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 static 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
 301                 /*
 302                  * If this is the first DMU record being processed, check for
 303                  * the magic bytes and figure out the endian-ness based on them.
 304                  */
 305                 if (first) {
 306                         if (drrb->drr_magic == BSWAP_64(DMU_BACKUP_MAGIC)) {
 307                                 do_byteswap = B_TRUE;
 308                                 if (do_cksum) {
 309                                         ZIO_SET_CHECKSUM(&zc, 0, 0, 0, 0);
 310                                         /*
 311                                          * recalculate header checksum now
 312                                          * that we know it needs to be
 313                                          * byteswapped.
 314                                          */
 315                                         fletcher_4_incremental_byteswap(drr,
 316                                             sizeof (dmu_replay_record_t), &zc);
 317                                 }
 318                         } else if (drrb->drr_magic != DMU_BACKUP_MAGIC) {
 319                                 (void) fprintf(stderr, "Invalid stream "
 320                                     "(bad magic number)\n");
 321                                 exit(1);
 322                         }
 323                         first = B_FALSE;
 324                 }
 325                 if (do_byteswap) {
 326                         drr->drr_type = BSWAP_32(drr->drr_type);
 327                         drr->drr_payloadlen =
 328                             BSWAP_32(drr->drr_payloadlen);
 329                 }
 330
 331                 /*
 332                  * At this point, the leading fields of the replay record
 333                  * (drr_type and drr_payloadlen) have been byte-swapped if
 334                  * necessary, but the rest of the data structure (the
 335                  * union of type-specific structures) is still in its
 336                  * original state.
 337                  */
 338                 if (drr->drr_type >= DRR_NUMTYPES) {
 339                         (void) printf("INVALID record found: type 0x%x\n",
 340                             drr->drr_type);
 341                         (void) printf("Aborting.\n");
 342                         exit(1);
 343                 }
 344
 345                 drr_record_count[drr->drr_type]++;
 346                 total_overhead_size += sizeof (*drr);
 347                 total_records++;
 348                 payload_size = 0;
 349
 350                 switch (drr->drr_type) {
 351                 case DRR_BEGIN:
 352                         if (do_byteswap) {
 353                                 drrb->drr_magic = BSWAP_64(drrb->drr_magic);
 354                                 drrb->drr_versioninfo =
 355                                     BSWAP_64(drrb->drr_versioninfo);
 356                                 drrb->drr_creation_time =
 357                                     BSWAP_64(drrb->drr_creation_time);
 358                                 drrb->drr_type = BSWAP_32(drrb->drr_type);
 359                                 drrb->drr_flags = BSWAP_32(drrb->drr_flags);
 360                                 drrb->drr_toguid = BSWAP_64(drrb->drr_toguid);
 361                                 drrb->drr_fromguid =
 362                                     BSWAP_64(drrb->drr_fromguid);
 363                         }
 364
 365                         (void) printf("BEGIN record\n");
 366                         (void) printf("\thdrtype = %lld\n",
 367                             DMU_GET_STREAM_HDRTYPE(drrb->drr_versioninfo));
 368                         (void) printf("\tfeatures = %llx\n",
 369                             DMU_GET_FEATUREFLAGS(drrb->drr_versioninfo));
 370                         (void) printf("\tmagic = %llx\n",
 371                             (u_longlong_t)drrb->drr_magic);
 372                         (void) printf("\tcreation_time = %llx\n",
 373                             (u_longlong_t)drrb->drr_creation_time);
 374                         (void) printf("\ttype = %u\n", drrb->drr_type);
 375                         (void) printf("\tflags = 0x%x\n", drrb->drr_flags);
 376                         (void) printf("\ttoguid = %llx\n",
 377                             (u_longlong_t)drrb->drr_toguid);
 378                         (void) printf("\tfromguid = %llx\n",
 379                             (u_longlong_t)drrb->drr_fromguid);
 380                         (void) printf("\ttoname = %s\n", drrb->drr_toname);
 381                         (void) printf("\tpayloadlen = %u\n",
 382                             drr->drr_payloadlen);
 383                         if (verbose)
 384                                 (void) printf("\n");
 385
 386                         if (drr->drr_payloadlen != 0) {
 387                                 nvlist_t *nv;
 388                                 int sz = drr->drr_payloadlen;
 389
 390                                 if (sz > SPA_MAXBLOCKSIZE) {
 391                                         free(buf);
 392                                         buf = safe_malloc(sz);
 393                                 }
 394                                 (void) ssread(buf, sz, &zc);
 395                                 if (ferror(send_stream))
 396                                         perror("fread");
 397                                 err = nvlist_unpack(buf, sz, &nv, 0);
 398                                 if (err) {
 399                                         perror(strerror(err));
 400                                 } else {
 401                                         nvlist_print(stdout, nv);
 402                                         nvlist_free(nv);
 403                                 }
 404                                 payload_size = sz;
 405                         }
 406                         break;
 407
 408                 case DRR_END:
 409                         if (do_byteswap) {
 410                                 drre->drr_checksum.zc_word[0] =
 411                                     BSWAP_64(drre->drr_checksum.zc_word[0]);
 412                                 drre->drr_checksum.zc_word[1] =
 413                                     BSWAP_64(drre->drr_checksum.zc_word[1]);
 414                                 drre->drr_checksum.zc_word[2] =
 415                                     BSWAP_64(drre->drr_checksum.zc_word[2]);
 416                                 drre->drr_checksum.zc_word[3] =
 417                                     BSWAP_64(drre->drr_checksum.zc_word[3]);
 418                         }
 419                         /*
 420                          * We compare against the *previous* checksum
 421                          * value, because the stored checksum is of
 422                          * everything before the DRR_END record.
 423                          */
 424                         if (do_cksum && !ZIO_CHECKSUM_EQUAL(drre->drr_checksum,
 425                             pcksum)) {
 426                                 (void) printf("Expected checksum differs from "
 427                                     "checksum in stream.\n");
 428                                 (void) printf("Expected checksum = "
 429                                     "%llx/%llx/%llx/%llx\n",
 430                                     (long long unsigned int)pcksum.zc_word[0],
 431                                     (long long unsigned int)pcksum.zc_word[1],
 432                                     (long long unsigned int)pcksum.zc_word[2],
 433                                     (long long unsigned int)pcksum.zc_word[3]);
 434                         }
 435                         (void) printf("END checksum = %llx/%llx/%llx/%llx\n",
 436                             (long long unsigned int)
 437                             drre->drr_checksum.zc_word[0],
 438                             (long long unsigned int)
 439                             drre->drr_checksum.zc_word[1],
 440                             (long long unsigned int)
 441                             drre->drr_checksum.zc_word[2],
 442                             (long long unsigned int)
 443                             drre->drr_checksum.zc_word[3]);
 444
 445                         ZIO_SET_CHECKSUM(&zc, 0, 0, 0, 0);
 446                         break;
 447
 448                 case DRR_OBJECT:
 449                         if (do_byteswap) {
 450                                 drro->drr_object = BSWAP_64(drro->drr_object);
 451                                 drro->drr_type = BSWAP_32(drro->drr_type);
 452                                 drro->drr_bonustype =
 453                                     BSWAP_32(drro->drr_bonustype);
 454                                 drro->drr_blksz = BSWAP_32(drro->drr_blksz);
 455                                 drro->drr_bonuslen =
 456                                     BSWAP_32(drro->drr_bonuslen);
 457                                 drro->drr_raw_bonuslen =
 458                                     BSWAP_32(drro->drr_raw_bonuslen);
 459                                 drro->drr_toguid = BSWAP_64(drro->drr_toguid);
 460                                 drro->drr_maxblkid =
 461                                     BSWAP_64(drro->drr_maxblkid);
 462                         }
 463
 464                         payload_size = DRR_OBJECT_PAYLOAD_SIZE(drro);
 465
 466                         if (verbose) {
 467                                 (void) printf("OBJECT object = %llu type = %u "
 468                                     "bonustype = %u blksz = %u bonuslen = %u "
 469                                     "dn_slots = %u raw_bonuslen = %u "
 470                                     "flags = %u maxblkid = %llu "
 471                                     "indblkshift = %u nlevels = %u "
 472                                     "nblkptr = %u\n",
 473                                     (u_longlong_t)drro->drr_object,
 474                                     drro->drr_type,
 475                                     drro->drr_bonustype,
 476                                     drro->drr_blksz,
 477                                     drro->drr_bonuslen,
 478                                     drro->drr_dn_slots,
 479                                     drro->drr_raw_bonuslen,
 480                                     drro->drr_flags,
 481                                     (u_longlong_t)drro->drr_maxblkid,
 482                                     drro->drr_indblkshift,
 483                                     drro->drr_nlevels,
 484                                     drro->drr_nblkptr);
 485                         }
 486                         if (drro->drr_bonuslen > 0) {
 487                                 (void) ssread(buf, payload_size, &zc);
 488                                 if (dump)
 489                                         print_block(buf, payload_size);
 490                         }
 491                         break;
 492
 493                 case DRR_FREEOBJECTS:
 494                         if (do_byteswap) {
 495                                 drrfo->drr_firstobj =
 496                                     BSWAP_64(drrfo->drr_firstobj);
 497                                 drrfo->drr_numobjs =
 498                                     BSWAP_64(drrfo->drr_numobjs);
 499                                 drrfo->drr_toguid = BSWAP_64(drrfo->drr_toguid);
 500                         }
 501                         if (verbose) {
 502                                 (void) printf("FREEOBJECTS firstobj = %llu "
 503                                     "numobjs = %llu\n",
 504                                     (u_longlong_t)drrfo->drr_firstobj,
 505                                     (u_longlong_t)drrfo->drr_numobjs);
 506                         }
 507                         break;
 508
 509                 case DRR_WRITE:
 510                         if (do_byteswap) {
 511                                 drrw->drr_object = BSWAP_64(drrw->drr_object);
 512                                 drrw->drr_type = BSWAP_32(drrw->drr_type);
 513                                 drrw->drr_offset = BSWAP_64(drrw->drr_offset);
 514                                 drrw->drr_logical_size =
 515                                     BSWAP_64(drrw->drr_logical_size);
 516                                 drrw->drr_toguid = BSWAP_64(drrw->drr_toguid);
 517                                 drrw->drr_key.ddk_prop =
 518                                     BSWAP_64(drrw->drr_key.ddk_prop);
 519                                 drrw->drr_compressed_size =
 520                                     BSWAP_64(drrw->drr_compressed_size);
 521                         }
 522
 523                         payload_size = DRR_WRITE_PAYLOAD_SIZE(drrw);
 524
 525                         /*
 526                          * If this is verbose and/or dump output,
 527                          * print info on the modified block
 528                          */
 529                         if (verbose) {
 530                                 sprintf_bytes(salt, drrw->drr_salt,
 531                                     ZIO_DATA_SALT_LEN);
 532                                 sprintf_bytes(iv, drrw->drr_iv,
 533                                     ZIO_DATA_IV_LEN);
 534                                 sprintf_bytes(mac, drrw->drr_mac,
 535                                     ZIO_DATA_MAC_LEN);
 536
 537                                 (void) printf("WRITE object = %llu type = %u "
 538                                     "checksum type = %u compression type = %u "
 539                                     "flags = %u offset = %llu "
 540                                     "logical_size = %llu "
 541                                     "compressed_size = %llu "
 542                                     "payload_size = %llu props = %llx "
 543                                     "salt = %s iv = %s mac = %s\n",
 544                                     (u_longlong_t)drrw->drr_object,
 545                                     drrw->drr_type,
 546                                     drrw->drr_checksumtype,
 547                                     drrw->drr_compressiontype,
 548                                     drrw->drr_flags,
 549                                     (u_longlong_t)drrw->drr_offset,
 550                                     (u_longlong_t)drrw->drr_logical_size,
 551                                     (u_longlong_t)drrw->drr_compressed_size,
 552                                     (u_longlong_t)payload_size,
 553                                     (u_longlong_t)drrw->drr_key.ddk_prop,
 554                                     salt,
 555                                     iv,
 556                                     mac);
 557                         }
 558
 559                         /*
 560                          * Read the contents of the block in from STDIN to buf
 561                          */
 562                         (void) ssread(buf, payload_size, &zc);
 563                         /*
 564                          * If in dump mode
 565                          */
 566                         if (dump) {
 567                                 print_block(buf, payload_size);
 568                         }
 569                         break;
 570
 571                 case DRR_WRITE_BYREF:
 572                         if (do_byteswap) {
 573                                 drrwbr->drr_object =
 574                                     BSWAP_64(drrwbr->drr_object);
 575                                 drrwbr->drr_offset =
 576                                     BSWAP_64(drrwbr->drr_offset);
 577                                 drrwbr->drr_length =
 578                                     BSWAP_64(drrwbr->drr_length);
 579                                 drrwbr->drr_toguid =
 580                                     BSWAP_64(drrwbr->drr_toguid);
 581                                 drrwbr->drr_refguid =
 582                                     BSWAP_64(drrwbr->drr_refguid);
 583                                 drrwbr->drr_refobject =
 584                                     BSWAP_64(drrwbr->drr_refobject);
 585                                 drrwbr->drr_refoffset =
 586                                     BSWAP_64(drrwbr->drr_refoffset);
 587                                 drrwbr->drr_key.ddk_prop =
 588                                     BSWAP_64(drrwbr->drr_key.ddk_prop);
 589                         }
 590                         if (verbose) {
 591                                 (void) printf("WRITE_BYREF object = %llu "
 592                                     "checksum type = %u props = %llx "
 593                                     "offset = %llu length = %llu "
 594                                     "toguid = %llx refguid = %llx "
 595                                     "refobject = %llu refoffset = %llu\n",
 596                                     (u_longlong_t)drrwbr->drr_object,
 597                                     drrwbr->drr_checksumtype,
 598                                     (u_longlong_t)drrwbr->drr_key.ddk_prop,
 599                                     (u_longlong_t)drrwbr->drr_offset,
 600                                     (u_longlong_t)drrwbr->drr_length,
 601                                     (u_longlong_t)drrwbr->drr_toguid,
 602                                     (u_longlong_t)drrwbr->drr_refguid,
 603                                     (u_longlong_t)drrwbr->drr_refobject,
 604                                     (u_longlong_t)drrwbr->drr_refoffset);
 605                         }
 606                         break;
 607
 608                 case DRR_FREE:
 609                         if (do_byteswap) {
 610                                 drrf->drr_object = BSWAP_64(drrf->drr_object);
 611                                 drrf->drr_offset = BSWAP_64(drrf->drr_offset);
 612                                 drrf->drr_length = BSWAP_64(drrf->drr_length);
 613                         }
 614                         if (verbose) {
 615                                 (void) printf("FREE object = %llu "
 616                                     "offset = %llu length = %lld\n",
 617                                     (u_longlong_t)drrf->drr_object,
 618                                     (u_longlong_t)drrf->drr_offset,
 619                                     (longlong_t)drrf->drr_length);
 620                         }
 621                         break;
 622                 case DRR_SPILL:
 623                         if (do_byteswap) {
 624                                 drrs->drr_object = BSWAP_64(drrs->drr_object);
 625                                 drrs->drr_length = BSWAP_64(drrs->drr_length);
 626                                 drrs->drr_compressed_size =
 627                                     BSWAP_64(drrs->drr_compressed_size);
 628                                 drrs->drr_type = BSWAP_32(drrs->drr_type);
 629                         }
 630
 631                         payload_size = DRR_SPILL_PAYLOAD_SIZE(drrs);
 632
 633                         if (verbose) {
 634                                 sprintf_bytes(salt, drrs->drr_salt,
 635                                     ZIO_DATA_SALT_LEN);
 636                                 sprintf_bytes(iv, drrs->drr_iv,
 637                                     ZIO_DATA_IV_LEN);
 638                                 sprintf_bytes(mac, drrs->drr_mac,
 639                                     ZIO_DATA_MAC_LEN);
 640
 641                                 (void) printf("SPILL block for object = %llu "
 642                                     "length = %llu flags = %u "
 643                                     "compression type = %u "
 644                                     "compressed_size = %llu "
 645                                     "payload_size = %llu "
 646                                     "salt = %s iv = %s mac = %s\n",
 647                                     (u_longlong_t)drrs->drr_object,
 648                                     (u_longlong_t)drrs->drr_length,
 649                                     drrs->drr_flags,
 650                                     drrs->drr_compressiontype,
 651                                     (u_longlong_t)drrs->drr_compressed_size,
 652                                     (u_longlong_t)payload_size,
 653                                     salt,
 654                                     iv,
 655                                     mac);
 656                         }
 657                         (void) ssread(buf, payload_size, &zc);
 658                         if (dump) {
 659                                 print_block(buf, payload_size);
 660                         }
 661                         break;
 662                 case DRR_WRITE_EMBEDDED:
 663                         if (do_byteswap) {
 664                                 drrwe->drr_object =
 665                                     BSWAP_64(drrwe->drr_object);
 666                                 drrwe->drr_offset =
 667                                     BSWAP_64(drrwe->drr_offset);
 668                                 drrwe->drr_length =
 669                                     BSWAP_64(drrwe->drr_length);
 670                                 drrwe->drr_toguid =
 671                                     BSWAP_64(drrwe->drr_toguid);
 672                                 drrwe->drr_lsize =
 673                                     BSWAP_32(drrwe->drr_lsize);
 674                                 drrwe->drr_psize =
 675                                     BSWAP_32(drrwe->drr_psize);
 676                         }
 677                         if (verbose) {
 678                                 (void) printf("WRITE_EMBEDDED object = %llu "
 679                                     "offset = %llu length = %llu "
 680                                     "toguid = %llx comp = %u etype = %u "
 681                                     "lsize = %u psize = %u\n",
 682                                     (u_longlong_t)drrwe->drr_object,
 683                                     (u_longlong_t)drrwe->drr_offset,
 684                                     (u_longlong_t)drrwe->drr_length,
 685                                     (u_longlong_t)drrwe->drr_toguid,
 686                                     drrwe->drr_compression,
 687                                     drrwe->drr_etype,
 688                                     drrwe->drr_lsize,
 689                                     drrwe->drr_psize);
 690                         }
 691                         (void) ssread(buf,
 692                             P2ROUNDUP(drrwe->drr_psize, 8), &zc);
 693                         if (dump) {
 694                                 print_block(buf,
 695                                     P2ROUNDUP(drrwe->drr_psize, 8));
 696                         }
 697                         payload_size = P2ROUNDUP(drrwe->drr_psize, 8);
 698                         break;
 699                 case DRR_OBJECT_RANGE:
 700                         if (do_byteswap) {
 701                                 drror->drr_firstobj =
 702                                     BSWAP_64(drror->drr_firstobj);
 703                                 drror->drr_numslots =
 704                                     BSWAP_64(drror->drr_numslots);
 705                                 drror->drr_toguid = BSWAP_64(drror->drr_toguid);
 706                         }
 707                         if (verbose) {
 708                                 sprintf_bytes(salt, drror->drr_salt,
 709                                     ZIO_DATA_SALT_LEN);
 710                                 sprintf_bytes(iv, drror->drr_iv,
 711                                     ZIO_DATA_IV_LEN);
 712                                 sprintf_bytes(mac, drror->drr_mac,
 713                                     ZIO_DATA_MAC_LEN);
 714
 715                                 (void) printf("OBJECT_RANGE firstobj = %llu "
 716                                     "numslots = %llu flags = %u "
 717                                     "salt = %s iv = %s mac = %s\n",
 718                                     (u_longlong_t)drror->drr_firstobj,
 719                                     (u_longlong_t)drror->drr_numslots,
 720                                     drror->drr_flags,
 721                                     salt,
 722                                     iv,
 723                                     mac);
 724                         }
 725                         break;
 726                 case DRR_REDACT:
 727                         if (do_byteswap) {
 728                                 drrr->drr_object = BSWAP_64(drrr->drr_object);
 729                                 drrr->drr_offset = BSWAP_64(drrr->drr_offset);
 730                                 drrr->drr_length = BSWAP_64(drrr->drr_length);
 731                                 drrr->drr_toguid = BSWAP_64(drrr->drr_toguid);
 732                         }
 733                         if (verbose) {
 734                                 (void) printf("REDACT object = %llu offset = "
 735                                     "%llu length = %llu\n",
 736                                     (u_longlong_t)drrr->drr_object,
 737                                     (u_longlong_t)drrr->drr_offset,
 738                                     (u_longlong_t)drrr->drr_length);
 739                         }
 740                         break;
 741                 case DRR_NUMTYPES:
 742                         /* should never be reached */
 743                         exit(1);
 744                 }
 745                 if (drr->drr_type != DRR_BEGIN && very_verbose) {
 746                         (void) printf("    checksum = %llx/%llx/%llx/%llx\n",
 747                             (longlong_t)drrc->drr_checksum.zc_word[0],
 748                             (longlong_t)drrc->drr_checksum.zc_word[1],
 749                             (longlong_t)drrc->drr_checksum.zc_word[2],
 750                             (longlong_t)drrc->drr_checksum.zc_word[3]);
 751                 }
 752                 pcksum = zc;
 753                 drr_byte_count[drr->drr_type] += payload_size;
 754                 total_payload_size += payload_size;
 755         }
 756         free(buf);
 757         fletcher_4_fini();
 758
 759         /* Print final summary */
 760
 761         (void) printf("SUMMARY:\n");
 762         (void) printf("\tTotal DRR_BEGIN records = %lld (%llu bytes)\n",
 763             (u_longlong_t)drr_record_count[DRR_BEGIN],
 764             (u_longlong_t)drr_byte_count[DRR_BEGIN]);
 765         (void) printf("\tTotal DRR_END records = %lld (%llu bytes)\n",
 766             (u_longlong_t)drr_record_count[DRR_END],
 767             (u_longlong_t)drr_byte_count[DRR_END]);
 768         (void) printf("\tTotal DRR_OBJECT records = %lld (%llu bytes)\n",
 769             (u_longlong_t)drr_record_count[DRR_OBJECT],
 770             (u_longlong_t)drr_byte_count[DRR_OBJECT]);
 771         (void) printf("\tTotal DRR_FREEOBJECTS records = %lld (%llu bytes)\n",
 772             (u_longlong_t)drr_record_count[DRR_FREEOBJECTS],
 773             (u_longlong_t)drr_byte_count[DRR_FREEOBJECTS]);
 774         (void) printf("\tTotal DRR_WRITE records = %lld (%llu bytes)\n",
 775             (u_longlong_t)drr_record_count[DRR_WRITE],
 776             (u_longlong_t)drr_byte_count[DRR_WRITE]);
 777         (void) printf("\tTotal DRR_WRITE_BYREF records = %lld (%llu bytes)\n",
 778             (u_longlong_t)drr_record_count[DRR_WRITE_BYREF],
 779             (u_longlong_t)drr_byte_count[DRR_WRITE_BYREF]);
 780         (void) printf("\tTotal DRR_WRITE_EMBEDDED records = %lld (%llu "
 781             "bytes)\n", (u_longlong_t)drr_record_count[DRR_WRITE_EMBEDDED],
 782             (u_longlong_t)drr_byte_count[DRR_WRITE_EMBEDDED]);
 783         (void) printf("\tTotal DRR_FREE records = %lld (%llu bytes)\n",
 784             (u_longlong_t)drr_record_count[DRR_FREE],
 785             (u_longlong_t)drr_byte_count[DRR_FREE]);
 786         (void) printf("\tTotal DRR_SPILL records = %lld (%llu bytes)\n",
 787             (u_longlong_t)drr_record_count[DRR_SPILL],
 788             (u_longlong_t)drr_byte_count[DRR_SPILL]);
 789         (void) printf("\tTotal records = %lld\n",
 790             (u_longlong_t)total_records);
 791         (void) printf("\tTotal payload size = %lld (0x%llx)\n",
 792             (u_longlong_t)total_payload_size, (u_longlong_t)total_payload_size);
 793         (void) printf("\tTotal header overhead = %lld (0x%llx)\n",
 794             (u_longlong_t)total_overhead_size,
 795             (u_longlong_t)total_overhead_size);
 796         (void) printf("\tTotal stream length = %lld (0x%llx)\n",
 797             (u_longlong_t)total_stream_len, (u_longlong_t)total_stream_len);
 798         return (0);
 799 }