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