receiver.c

   1 /*
   2  * Routines only used by the receiving process.
   3  *
   4  * Copyright (C) 1996-2000 Andrew Tridgell
   5  * Copyright (C) 1996 Paul Mackerras
   6  * Copyright (C) 2003, 2004, 2005, 2006 Wayne Davison
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License along
  19  * with this program; if not, write to the Free Software Foundation, Inc.,
  20  * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
  21  */
  22
  23 #include "rsync.h"
  24
  25 extern int verbose;
  26 extern int do_xfers;
  27 extern int am_server;
  28 extern int do_progress;
  29 extern int log_before_transfer;
  30 extern int stdout_format_has_i;
  31 extern int logfile_format_has_i;
  32 extern int csum_length;
  33 extern int read_batch;
  34 extern int write_batch;
  35 extern int batch_gen_fd;
  36 extern int protocol_version;
  37 extern int relative_paths;
  38 extern int preserve_hard_links;
  39 extern int preserve_perms;
  40 extern int basis_dir_cnt;
  41 extern int make_backups;
  42 extern int cleanup_got_literal;
  43 extern int remove_source_files;
  44 extern int append_mode;
  45 extern int sparse_files;
  46 extern int keep_partial;
  47 extern int checksum_seed;
  48 extern int inplace;
  49 extern int delay_updates;
  50 extern struct stats stats;
  51 extern char *stdout_format;
  52 extern char *tmpdir;
  53 extern char *partial_dir;
  54 extern char *basis_dir[];
  55 extern struct file_list *the_file_list;
  56 extern struct filter_list_struct server_filter_list;
  57
  58 static struct bitbag *delayed_bits = NULL;
  59 static int phase = 0;
  60 /* We're either updating the basis file or an identical copy: */
  61 static int updating_basis;
  62
  63
  64 /*
  65  * get_tmpname() - create a tmp filename for a given filename
  66  *
  67  *   If a tmpdir is defined, use that as the directory to
  68  *   put it in.  Otherwise, the tmp filename is in the same
  69  *   directory as the given name.  Note that there may be no
  70  *   directory at all in the given name!
  71  *
  72  *   The tmp filename is basically the given filename with a
  73  *   dot prepended, and .XXXXXX appended (for mkstemp() to
  74  *   put its unique gunk in).  Take care to not exceed
  75  *   either the MAXPATHLEN or NAME_MAX, esp. the last, as
  76  *   the basename basically becomes 8 chars longer. In that
  77  *   case, the original name is shortened sufficiently to
  78  *   make it all fit.
  79  *
  80  *   Of course, there's no real reason for the tmp name to
  81  *   look like the original, except to satisfy us humans.
  82  *   As long as it's unique, rsync will work.
  83  */
  84
  85 static int get_tmpname(char *fnametmp, char *fname)
  86 {
  87         int maxname, added, length = 0;
  88         char *f;
  89
  90         if (tmpdir) {
  91                 /* Note: this can't overflow, so the return value is safe */
  92                 length = strlcpy(fnametmp, tmpdir, MAXPATHLEN - 2);
  93                 fnametmp[length++] = '/';
  94         }
  95
  96         if ((f = strrchr(fname, '/')) != NULL) {
  97                 ++f;
  98                 if (!tmpdir) {
  99                         length = f - fname;
 100                         /* copy up to and including the slash */
 101                         strlcpy(fnametmp, fname, length + 1);
 102                 }
 103         } else
 104                 f = fname;
 105         fnametmp[length++] = '.';
 106
 107         /* The maxname value is bufsize, and includes space for the '\0'.
 108          * (Note that NAME_MAX get -8 for the leading '.' above.) */
 109         maxname = MIN(MAXPATHLEN - 7 - length, NAME_MAX - 8);
 110
 111         if (maxname < 1) {
 112                 rprintf(FERROR, "temporary filename too long: %s\n", fname);
 113                 fnametmp[0] = '\0';
 114                 return 0;
 115         }
 116
 117         added = strlcpy(fnametmp + length, f, maxname);
 118         if (added >= maxname)
 119                 added = maxname - 1;
 120         memcpy(fnametmp + length + added, ".XXXXXX", 8);
 121
 122         return 1;
 123 }
 124
 125
 126 static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
 127                         char *fname, int fd, OFF_T total_size)
 128 {
 129         static char file_sum1[MD4_SUM_LENGTH];
 130         static char file_sum2[MD4_SUM_LENGTH];
 131         struct map_struct *mapbuf;
 132         struct sum_struct sum;
 133         int32 len;
 134         OFF_T offset = 0;
 135         OFF_T offset2;
 136         char *data;
 137         int32 i;
 138         char *map = NULL;
 139
 140         read_sum_head(f_in, &sum);
 141
 142         if (fd_r >= 0 && size_r > 0) {
 143                 int32 read_size = MAX(sum.blength * 2, 16*1024);
 144                 mapbuf = map_file(fd_r, size_r, read_size, sum.blength);
 145                 if (verbose > 2) {
 146                         rprintf(FINFO, "recv mapped %s of size %.0f\n",
 147                                 fname_r, (double)size_r);
 148                 }
 149         } else
 150                 mapbuf = NULL;
 151
 152         sum_init(checksum_seed);
 153
 154         if (append_mode) {
 155                 OFF_T j;
 156                 sum.flength = (OFF_T)sum.count * sum.blength;
 157                 if (sum.remainder)
 158                         sum.flength -= sum.blength - sum.remainder;
 159                 for (j = CHUNK_SIZE; j < sum.flength; j += CHUNK_SIZE) {
 160                         if (do_progress)
 161                                 show_progress(offset, total_size);
 162                         sum_update(map_ptr(mapbuf, offset, CHUNK_SIZE),
 163                                    CHUNK_SIZE);
 164                         offset = j;
 165                 }
 166                 if (offset < sum.flength) {
 167                         int32 len = sum.flength - offset;
 168                         if (do_progress)
 169                                 show_progress(offset, total_size);
 170                         sum_update(map_ptr(mapbuf, offset, len), len);
 171                         offset = sum.flength;
 172                 }
 173                 if (fd != -1 && (j = do_lseek(fd, offset, SEEK_SET)) != offset) {
 174                         rsyserr(FERROR, errno, "lseek of %s returned %.0f, not %.0f",
 175                                 full_fname(fname), (double)j, (double)offset);
 176                         exit_cleanup(RERR_FILEIO);
 177                 }
 178         }
 179
 180         while ((i = recv_token(f_in, &data)) != 0) {
 181                 if (do_progress)
 182                         show_progress(offset, total_size);
 183
 184                 if (i > 0) {
 185                         if (verbose > 3) {
 186                                 rprintf(FINFO,"data recv %d at %.0f\n",
 187                                         i,(double)offset);
 188                         }
 189
 190                         stats.literal_data += i;
 191                         cleanup_got_literal = 1;
 192
 193                         sum_update(data, i);
 194
 195                         if (fd != -1 && write_file(fd,data,i) != i)
 196                                 goto report_write_error;
 197                         offset += i;
 198                         continue;
 199                 }
 200
 201                 i = -(i+1);
 202                 offset2 = i * (OFF_T)sum.blength;
 203                 len = sum.blength;
 204                 if (i == (int)sum.count-1 && sum.remainder != 0)
 205                         len = sum.remainder;
 206
 207                 stats.matched_data += len;
 208
 209                 if (verbose > 3) {
 210                         rprintf(FINFO,
 211                                 "chunk[%d] of size %ld at %.0f offset=%.0f\n",
 212                                 i, (long)len, (double)offset2, (double)offset);
 213                 }
 214
 215                 if (mapbuf) {
 216                         map = map_ptr(mapbuf,offset2,len);
 217
 218                         see_token(map, len);
 219                         sum_update(map, len);
 220                 }
 221
 222                 if (updating_basis) {
 223                         if (offset == offset2 && fd != -1) {
 224                                 OFF_T pos;
 225                                 if (flush_write_file(fd) < 0)
 226                                         goto report_write_error;
 227                                 offset += len;
 228                                 if ((pos = do_lseek(fd, len, SEEK_CUR)) != offset) {
 229                                         rsyserr(FERROR, errno,
 230                                                 "lseek of %s returned %.0f, not %.0f",
 231                                                 full_fname(fname),
 232                                                 (double)pos, (double)offset);
 233                                         exit_cleanup(RERR_FILEIO);
 234                                 }
 235                                 continue;
 236                         }
 237                 }
 238                 if (fd != -1 && map && write_file(fd, map, len) != (int)len)
 239                         goto report_write_error;
 240                 offset += len;
 241         }
 242
 243         if (flush_write_file(fd) < 0)
 244                 goto report_write_error;
 245
 246 #ifdef HAVE_FTRUNCATE
 247         if (inplace && fd != -1)
 248                 ftruncate(fd, offset);
 249 #endif
 250
 251         if (do_progress)
 252                 end_progress(total_size);
 253
 254         if (fd != -1 && offset > 0 && sparse_end(fd) != 0) {
 255             report_write_error:
 256                 rsyserr(FERROR, errno, "write failed on %s",
 257                         full_fname(fname));
 258                 exit_cleanup(RERR_FILEIO);
 259         }
 260
 261         sum_end(file_sum1);
 262
 263         if (mapbuf)
 264                 unmap_file(mapbuf);
 265
 266         read_buf(f_in,file_sum2,MD4_SUM_LENGTH);
 267         if (verbose > 2)
 268                 rprintf(FINFO,"got file_sum\n");
 269         if (fd != -1 && memcmp(file_sum1, file_sum2, MD4_SUM_LENGTH) != 0)
 270                 return 0;
 271         return 1;
 272 }
 273
 274
 275 static void discard_receive_data(int f_in, OFF_T length)
 276 {
 277         receive_data(f_in, NULL, -1, 0, NULL, -1, length);
 278 }
 279
 280 static void handle_delayed_updates(struct file_list *flist, char *local_name)
 281 {
 282         char *fname, *partialptr, numbuf[4];
 283         int i;
 284
 285         for (i = -1; (i = bitbag_next_bit(delayed_bits, i)) >= 0; ) {
 286                 struct file_struct *file = flist->files[i];
 287                 fname = local_name ? local_name : f_name(file, NULL);
 288                 if ((partialptr = partial_dir_fname(fname)) != NULL) {
 289                         if (make_backups && !make_backup(fname))
 290                                 continue;
 291                         if (verbose > 2) {
 292                                 rprintf(FINFO, "renaming %s to %s\n",
 293                                         partialptr, fname);
 294                         }
 295                         /* We don't use robust_rename() here because the
 296                          * partial-dir must be on the same drive. */
 297                         if (do_rename(partialptr, fname) < 0) {
 298                                 rsyserr(FERROR, errno,
 299                                         "rename failed for %s (from %s)",
 300                                         full_fname(fname), partialptr);
 301                         } else {
 302                                 if (remove_source_files
 303                                     || (preserve_hard_links
 304                                      && file->link_u.links)) {
 305                                         SIVAL(numbuf, 0, i);
 306                                         send_msg(MSG_SUCCESS,numbuf,4);
 307                                 }
 308                                 handle_partial_dir(partialptr, PDIR_DELETE);
 309                         }
 310                 }
 311         }
 312 }
 313
 314 static int get_next_gen_i(int batch_gen_fd, int next_gen_i, int desired_i)
 315 {
 316         while (next_gen_i < desired_i) {
 317                 if (next_gen_i >= 0) {
 318                         rprintf(FINFO,
 319                                 "(No batched update for%s \"%s\")\n",
 320                                 phase ? " resend of" : "",
 321                                 f_name(the_file_list->files[next_gen_i], NULL));
 322                 }
 323                 next_gen_i = read_int(batch_gen_fd);
 324                 if (next_gen_i == -1)
 325                         next_gen_i = the_file_list->count;
 326         }
 327         return next_gen_i;
 328 }
 329
 330
 331 /**
 332  * main routine for receiver process.
 333  *
 334  * Receiver process runs on the same host as the generator process. */
 335 int recv_files(int f_in, struct file_list *flist, char *local_name)
 336 {
 337         int next_gen_i = -1;
 338         int fd1,fd2;
 339         STRUCT_STAT st;
 340         int iflags, xlen;
 341         char *fname, fbuf[MAXPATHLEN];
 342         char xname[MAXPATHLEN];
 343         char fnametmp[MAXPATHLEN];
 344         char *fnamecmp, *partialptr, numbuf[4];
 345         char fnamecmpbuf[MAXPATHLEN];
 346         uchar fnamecmp_type;
 347         struct file_struct *file;
 348         struct stats initial_stats;
 349         int save_make_backups = make_backups;
 350         int itemizing = am_server ? logfile_format_has_i : stdout_format_has_i;
 351         enum logcode log_code = log_before_transfer ? FLOG : FINFO;
 352         int max_phase = protocol_version >= 29 ? 2 : 1;
 353         int i, recv_ok;
 354
 355         if (verbose > 2)
 356                 rprintf(FINFO,"recv_files(%d) starting\n",flist->count);
 357
 358         if (flist->hlink_pool) {
 359                 pool_destroy(flist->hlink_pool);
 360                 flist->hlink_pool = NULL;
 361         }
 362
 363         if (delay_updates)
 364                 delayed_bits = bitbag_create(flist->count);
 365
 366         updating_basis = inplace;
 367
 368         while (1) {
 369                 cleanup_disable();
 370
 371                 i = read_int(f_in);
 372                 if (i == -1) {
 373                         if (read_batch) {
 374                                 get_next_gen_i(batch_gen_fd, next_gen_i,
 375                                                flist->count);
 376                                 next_gen_i = -1;
 377                         }
 378                         if (++phase > max_phase)
 379                                 break;
 380                         csum_length = SUM_LENGTH;
 381                         if (verbose > 2)
 382                                 rprintf(FINFO, "recv_files phase=%d\n", phase);
 383                         if (phase == 2 && delay_updates)
 384                                 handle_delayed_updates(flist, local_name);
 385                         send_msg(MSG_DONE, "", 0);
 386                         if (keep_partial && !partial_dir)
 387                                 make_backups = 0; /* prevents double backup */
 388                         if (append_mode) {
 389                                 append_mode = 0;
 390                                 sparse_files = 0;
 391                         }
 392                         continue;
 393                 }
 394
 395                 iflags = read_item_attrs(f_in, -1, i, &fnamecmp_type,
 396                                          xname, &xlen);
 397                 if (iflags == ITEM_IS_NEW) /* no-op packet */
 398                         continue;
 399
 400                 file = flist->files[i];
 401                 fname = local_name ? local_name : f_name(file, fbuf);
 402
 403                 if (verbose > 2)
 404                         rprintf(FINFO, "recv_files(%s)\n", fname);
 405
 406                 if (!(iflags & ITEM_TRANSFER)) {
 407                         maybe_log_item(file, iflags, itemizing, xname);
 408                         continue;
 409                 }
 410                 if (phase == 2) {
 411                         rprintf(FERROR,
 412                                 "got transfer request in phase 2 [%s]\n",
 413                                 who_am_i());
 414                         exit_cleanup(RERR_PROTOCOL);
 415                 }
 416
 417                 stats.current_file_index = i;
 418                 stats.num_transferred_files++;
 419                 stats.total_transferred_size += file->length;
 420                 cleanup_got_literal = 0;
 421
 422                 if (server_filter_list.head
 423                     && check_filter(&server_filter_list, fname, 0) < 0) {
 424                         rprintf(FERROR, "attempt to hack rsync failed.\n");
 425                         exit_cleanup(RERR_PROTOCOL);
 426                 }
 427
 428                 if (!do_xfers) { /* log the transfer */
 429                         log_item(FCLIENT, file, &stats, iflags, NULL);
 430                         if (read_batch)
 431                                 discard_receive_data(f_in, file->length);
 432                         continue;
 433                 }
 434                 if (write_batch < 0) {
 435                         log_item(FINFO, file, &stats, iflags, NULL);
 436                         if (!am_server)
 437                                 discard_receive_data(f_in, file->length);
 438                         continue;
 439                 }
 440
 441                 if (read_batch) {
 442                         next_gen_i = get_next_gen_i(batch_gen_fd, next_gen_i, i);
 443                         if (i < next_gen_i) {
 444                                 rprintf(FINFO,
 445                                         "(Skipping batched update for \"%s\")\n",
 446                                         fname);
 447                                 discard_receive_data(f_in, file->length);
 448                                 continue;
 449                         }
 450                         next_gen_i = -1;
 451                 }
 452
 453                 partialptr = partial_dir ? partial_dir_fname(fname) : fname;
 454
 455                 if (protocol_version >= 29) {
 456                         switch (fnamecmp_type) {
 457                         case FNAMECMP_FNAME:
 458                                 fnamecmp = fname;
 459                                 break;
 460                         case FNAMECMP_PARTIAL_DIR:
 461                                 fnamecmp = partialptr;
 462                                 break;
 463                         case FNAMECMP_BACKUP:
 464                                 fnamecmp = get_backup_name(fname);
 465                                 break;
 466                         case FNAMECMP_FUZZY:
 467                                 updating_basis = 0;
 468                                 if (file->dirname) {
 469                                         pathjoin(fnamecmpbuf, MAXPATHLEN,
 470                                                  file->dirname, xname);
 471                                         fnamecmp = fnamecmpbuf;
 472                                 } else
 473                                         fnamecmp = xname;
 474                                 break;
 475                         default:
 476                                 updating_basis = 0;
 477                                 if (fnamecmp_type >= basis_dir_cnt) {
 478                                         rprintf(FERROR,
 479                                                 "invalid basis_dir index: %d.\n",
 480                                                 fnamecmp_type);
 481                                         exit_cleanup(RERR_PROTOCOL);
 482                                 }
 483                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
 484                                          basis_dir[fnamecmp_type], fname);
 485                                 fnamecmp = fnamecmpbuf;
 486                                 break;
 487                         }
 488                         if (!fnamecmp || (server_filter_list.head
 489                           && check_filter(&server_filter_list, fname, 0) < 0))
 490                                 fnamecmp = fname;
 491                 } else {
 492                         /* Reminder: --inplace && --partial-dir are never
 493                          * enabled at the same time. */
 494                         if (inplace && make_backups) {
 495                                 if (!(fnamecmp = get_backup_name(fname)))
 496                                         fnamecmp = fname;
 497                         } else if (partial_dir && partialptr)
 498                                 fnamecmp = partialptr;
 499                         else
 500                                 fnamecmp = fname;
 501                 }
 502
 503                 initial_stats = stats;
 504
 505                 /* open the file */
 506                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
 507
 508                 if (fd1 == -1 && protocol_version < 29) {
 509                         if (fnamecmp != fname) {
 510                                 fnamecmp = fname;
 511                                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
 512                         }
 513
 514                         if (fd1 == -1 && basis_dir[0]) {
 515                                 /* pre-29 allowed only one alternate basis */
 516                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
 517                                          basis_dir[0], fname);
 518                                 fnamecmp = fnamecmpbuf;
 519                                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
 520                         }
 521                 }
 522
 523                 if (fd1 == -1) {
 524                         st.st_mode = 0;
 525                         st.st_size = 0;
 526                 } else if (do_fstat(fd1,&st) != 0) {
 527                         rsyserr(FERROR, errno, "fstat %s failed",
 528                                 full_fname(fnamecmp));
 529                         discard_receive_data(f_in, file->length);
 530                         close(fd1);
 531                         continue;
 532                 }
 533
 534                 if (fd1 != -1 && S_ISDIR(st.st_mode) && fnamecmp == fname) {
 535                         /* this special handling for directories
 536                          * wouldn't be necessary if robust_rename()
 537                          * and the underlying robust_unlink could cope
 538                          * with directories
 539                          */
 540                         rprintf(FERROR,"recv_files: %s is a directory\n",
 541                                 full_fname(fnamecmp));
 542                         discard_receive_data(f_in, file->length);
 543                         close(fd1);
 544                         continue;
 545                 }
 546
 547                 if (fd1 != -1 && !S_ISREG(st.st_mode)) {
 548                         close(fd1);
 549                         fd1 = -1;
 550                 }
 551
 552                 /* If we're not preserving permissions, change the file-list's
 553                  * mode based on the local permissions and some heuristics. */
 554                 if (!preserve_perms) {
 555                         int exists = fd1 != -1;
 556                         file->mode = dest_mode(file->mode, st.st_mode, exists);
 557                 }
 558
 559                 /* We now check to see if we are writing the file "inplace" */
 560                 if (inplace)  {
 561                         fd2 = do_open(fname, O_WRONLY|O_CREAT, 0600);
 562                         if (fd2 == -1) {
 563                                 rsyserr(FERROR, errno, "open %s failed",
 564                                         full_fname(fname));
 565                                 discard_receive_data(f_in, file->length);
 566                                 if (fd1 != -1)
 567                                         close(fd1);
 568                                 continue;
 569                         }
 570                 } else {
 571                         if (!get_tmpname(fnametmp,fname)) {
 572                                 discard_receive_data(f_in, file->length);
 573                                 if (fd1 != -1)
 574                                         close(fd1);
 575                                 continue;
 576                         }
 577
 578                         /* we initially set the perms without the
 579                          * setuid/setgid bits to ensure that there is no race
 580                          * condition. They are then correctly updated after
 581                          * the lchown. Thanks to snabb@epipe.fi for pointing
 582                          * this out.  We also set it initially without group
 583                          * access because of a similar race condition. */
 584                         fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
 585
 586                         /* in most cases parent directories will already exist
 587                          * because their information should have been previously
 588                          * transferred, but that may not be the case with -R */
 589                         if (fd2 == -1 && relative_paths && errno == ENOENT
 590                             && create_directory_path(fnametmp) == 0) {
 591                                 /* Get back to name with XXXXXX in it. */
 592                                 get_tmpname(fnametmp, fname);
 593                                 fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
 594                         }
 595                         if (fd2 == -1) {
 596                                 rsyserr(FERROR, errno, "mkstemp %s failed",
 597                                         full_fname(fnametmp));
 598                                 discard_receive_data(f_in, file->length);
 599                                 if (fd1 != -1)
 600                                         close(fd1);
 601                                 continue;
 602                         }
 603
 604                         cleanup_set(fnametmp, partialptr, file, fd1, fd2);
 605                 }
 606
 607                 /* log the transfer */
 608                 if (log_before_transfer)
 609                         log_item(FCLIENT, file, &initial_stats, iflags, NULL);
 610                 else if (!am_server && verbose && do_progress)
 611                         rprintf(FINFO, "%s\n", fname);
 612
 613                 /* recv file data */
 614                 recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size,
 615                                        fname, fd2, file->length);
 616
 617                 log_item(log_code, file, &initial_stats, iflags, NULL);
 618
 619                 if (fd1 != -1)
 620                         close(fd1);
 621                 if (close(fd2) < 0) {
 622                         rsyserr(FERROR, errno, "close failed on %s",
 623                                 full_fname(fnametmp));
 624                         exit_cleanup(RERR_FILEIO);
 625                 }
 626
 627                 if ((recv_ok && (!delay_updates || !partialptr)) || inplace) {
 628                         char *temp_copy_name;
 629                         if (partialptr == fname)
 630                                 partialptr = temp_copy_name = NULL;
 631                         else if (*partial_dir == '/')
 632                                 temp_copy_name = NULL;
 633                         else
 634                                 temp_copy_name = partialptr;
 635                         finish_transfer(fname, fnametmp, temp_copy_name,
 636                                         file, recv_ok, 1);
 637                         if (fnamecmp == partialptr) {
 638                                 do_unlink(partialptr);
 639                                 handle_partial_dir(partialptr, PDIR_DELETE);
 640                         }
 641                 } else if (keep_partial && partialptr
 642                     && handle_partial_dir(partialptr, PDIR_CREATE)) {
 643                         finish_transfer(partialptr, fnametmp, NULL,
 644                                         file, recv_ok, !partial_dir);
 645                         if (delay_updates && recv_ok) {
 646                                 bitbag_set_bit(delayed_bits, i);
 647                                 recv_ok = -1;
 648                         }
 649                 } else {
 650                         partialptr = NULL;
 651                         do_unlink(fnametmp);
 652                 }
 653
 654                 cleanup_disable();
 655
 656                 if (recv_ok > 0) {
 657                         if (remove_source_files
 658                             || (preserve_hard_links && file->link_u.links)) {
 659                                 SIVAL(numbuf, 0, i);
 660                                 send_msg(MSG_SUCCESS, numbuf, 4);
 661                         }
 662                 } else if (!recv_ok) {
 663                         int msgtype = phase || read_batch ? FERROR : FINFO;
 664                         if (msgtype == FERROR || verbose) {
 665                                 char *errstr, *redostr, *keptstr;
 666                                 if (!(keep_partial && partialptr) && !inplace)
 667                                         keptstr = "discarded";
 668                                 else if (partial_dir)
 669                                         keptstr = "put into partial-dir";
 670                                 else
 671                                         keptstr = "retained";
 672                                 if (msgtype == FERROR) {
 673                                         errstr = "ERROR";
 674                                         redostr = "";
 675                                 } else {
 676                                         errstr = "WARNING";
 677                                         redostr = " (will try again)";
 678                                 }
 679                                 rprintf(msgtype,
 680                                         "%s: %s failed verification -- update %s%s.\n",
 681                                         errstr, fname, keptstr, redostr);
 682                         }
 683                         if (!phase) {
 684                                 SIVAL(numbuf, 0, i);
 685                                 send_msg(MSG_REDO, numbuf, 4);
 686                         }
 687                 }
 688         }
 689         make_backups = save_make_backups;
 690
 691         if (phase == 2 && delay_updates) /* for protocol_version < 29 */
 692                 handle_delayed_updates(flist, local_name);
 693
 694         if (verbose > 2)
 695                 rprintf(FINFO,"recv_files finished\n");
 696
 697         return 0;
 698 }