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         char *f;
  88         int     length = 0;
  89         int     maxname;
  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                 fnametmp[length] = '\0';        /* always NULL terminated */
  96         }
  97
  98         if ((f = strrchr(fname, '/')) != NULL) {
  99                 ++f;
 100                 if (!tmpdir) {
 101                         length = f - fname;
 102                         /* copy up to and including the slash */
 103                         strlcpy(fnametmp, fname, length + 1);
 104                 }
 105         } else
 106                 f = fname;
 107         fnametmp[length++] = '.';
 108         fnametmp[length] = '\0';                /* always NULL terminated */
 109
 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         strlcpy(fnametmp + length, f, maxname);
 119         strcat(fnametmp + length, ".XXXXXX");
 120
 121         return 1;
 122 }
 123
 124
 125 static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
 126                         char *fname, int fd, OFF_T total_size)
 127 {
 128         static char file_sum1[MD4_SUM_LENGTH];
 129         static char file_sum2[MD4_SUM_LENGTH];
 130         struct map_struct *mapbuf;
 131         struct sum_struct sum;
 132         int32 len;
 133         OFF_T offset = 0;
 134         OFF_T offset2;
 135         char *data;
 136         int32 i;
 137         char *map = NULL;
 138
 139         read_sum_head(f_in, &sum);
 140
 141         if (fd_r >= 0 && size_r > 0) {
 142                 int32 read_size = MAX(sum.blength * 2, 16*1024);
 143                 mapbuf = map_file(fd_r, size_r, read_size, sum.blength);
 144                 if (verbose > 2) {
 145                         rprintf(FINFO, "recv mapped %s of size %.0f\n",
 146                                 fname_r, (double)size_r);
 147                 }
 148         } else
 149                 mapbuf = NULL;
 150
 151         sum_init(checksum_seed);
 152
 153         if (append_mode) {
 154                 OFF_T j;
 155                 sum.flength = (OFF_T)sum.count * sum.blength;
 156                 if (sum.remainder)
 157                         sum.flength -= sum.blength - sum.remainder;
 158                 for (j = CHUNK_SIZE; j < sum.flength; j += CHUNK_SIZE) {
 159                         if (do_progress)
 160                                 show_progress(offset, total_size);
 161                         sum_update(map_ptr(mapbuf, offset, CHUNK_SIZE),
 162                                    CHUNK_SIZE);
 163                         offset = j;
 164                 }
 165                 if (offset < sum.flength) {
 166                         int32 len = sum.flength - offset;
 167                         if (do_progress)
 168                                 show_progress(offset, total_size);
 169                         sum_update(map_ptr(mapbuf, offset, len), len);
 170                         offset = sum.flength;
 171                 }
 172                 if (fd != -1 && (j = do_lseek(fd, offset, SEEK_SET)) != offset) {
 173                         rsyserr(FERROR, errno, "lseek of %s returned %.0f, not %.0f",
 174                                 full_fname(fname), (double)j, (double)offset);
 175                         exit_cleanup(RERR_FILEIO);
 176                 }
 177         }
 178
 179         while ((i = recv_token(f_in, &data)) != 0) {
 180                 if (do_progress)
 181                         show_progress(offset, total_size);
 182
 183                 if (i > 0) {
 184                         if (verbose > 3) {
 185                                 rprintf(FINFO,"data recv %d at %.0f\n",
 186                                         i,(double)offset);
 187                         }
 188
 189                         stats.literal_data += i;
 190                         cleanup_got_literal = 1;
 191
 192                         sum_update(data, i);
 193
 194                         if (fd != -1 && write_file(fd,data,i) != i)
 195                                 goto report_write_error;
 196                         offset += i;
 197                         continue;
 198                 }
 199
 200                 i = -(i+1);
 201                 offset2 = i * (OFF_T)sum.blength;
 202                 len = sum.blength;
 203                 if (i == (int)sum.count-1 && sum.remainder != 0)
 204                         len = sum.remainder;
 205
 206                 stats.matched_data += len;
 207
 208                 if (verbose > 3) {
 209                         rprintf(FINFO,
 210                                 "chunk[%d] of size %ld at %.0f offset=%.0f\n",
 211                                 i, (long)len, (double)offset2, (double)offset);
 212                 }
 213
 214                 if (mapbuf) {
 215                         map = map_ptr(mapbuf,offset2,len);
 216
 217                         see_token(map, len);
 218                         sum_update(map, len);
 219                 }
 220
 221                 if (updating_basis) {
 222                         if (offset == offset2 && fd != -1) {
 223                                 OFF_T pos;
 224                                 if (flush_write_file(fd) < 0)
 225                                         goto report_write_error;
 226                                 offset += len;
 227                                 if ((pos = do_lseek(fd, len, SEEK_CUR)) != offset) {
 228                                         rsyserr(FERROR, errno,
 229                                                 "lseek of %s returned %.0f, not %.0f",
 230                                                 full_fname(fname),
 231                                                 (double)pos, (double)offset);
 232                                         exit_cleanup(RERR_FILEIO);
 233                                 }
 234                                 continue;
 235                         }
 236                 }
 237                 if (fd != -1 && map && write_file(fd, map, len) != (int)len)
 238                         goto report_write_error;
 239                 offset += len;
 240         }
 241
 242         if (flush_write_file(fd) < 0)
 243                 goto report_write_error;
 244
 245 #ifdef HAVE_FTRUNCATE
 246         if (inplace && fd != -1)
 247                 ftruncate(fd, offset);
 248 #endif
 249
 250         if (do_progress)
 251                 end_progress(total_size);
 252
 253         if (fd != -1 && offset > 0 && sparse_end(fd) != 0) {
 254             report_write_error:
 255                 rsyserr(FERROR, errno, "write failed on %s",
 256                         full_fname(fname));
 257                 exit_cleanup(RERR_FILEIO);
 258         }
 259
 260         sum_end(file_sum1);
 261
 262         if (mapbuf)
 263                 unmap_file(mapbuf);
 264
 265         read_buf(f_in,file_sum2,MD4_SUM_LENGTH);
 266         if (verbose > 2)
 267                 rprintf(FINFO,"got file_sum\n");
 268         if (fd != -1 && memcmp(file_sum1, file_sum2, MD4_SUM_LENGTH) != 0)
 269                 return 0;
 270         return 1;
 271 }
 272
 273
 274 static void discard_receive_data(int f_in, OFF_T length)
 275 {
 276         receive_data(f_in, NULL, -1, 0, NULL, -1, length);
 277 }
 278
 279 static void handle_delayed_updates(struct file_list *flist, char *local_name)
 280 {
 281         char *fname, *partialptr, numbuf[4];
 282         int i;
 283
 284         for (i = -1; (i = bitbag_next_bit(delayed_bits, i)) >= 0; ) {
 285                 struct file_struct *file = flist->files[i];
 286                 fname = local_name ? local_name : f_name(file, NULL);
 287                 if ((partialptr = partial_dir_fname(fname)) != NULL) {
 288                         if (make_backups && !make_backup(fname))
 289                                 continue;
 290                         if (verbose > 2) {
 291                                 rprintf(FINFO, "renaming %s to %s\n",
 292                                         partialptr, fname);
 293                         }
 294                         /* We don't use robust_rename() here because the
 295                          * partial-dir must be on the same drive. */
 296                         if (do_rename(partialptr, fname) < 0) {
 297                                 rsyserr(FERROR, errno,
 298                                         "rename failed for %s (from %s)",
 299                                         full_fname(fname), partialptr);
 300                         } else {
 301                                 if (remove_source_files
 302                                     || (preserve_hard_links
 303                                      && file->link_u.links)) {
 304                                         SIVAL(numbuf, 0, i);
 305                                         send_msg(MSG_SUCCESS,numbuf,4);
 306                                 }
 307                                 handle_partial_dir(partialptr, PDIR_DELETE);
 308                         }
 309                 }
 310         }
 311 }
 312
 313 static int get_next_gen_i(int batch_gen_fd, int next_gen_i, int desired_i)
 314 {
 315         while (next_gen_i < desired_i) {
 316                 if (next_gen_i >= 0) {
 317                         rprintf(FINFO,
 318                                 "(No batched update for%s \"%s\")\n",
 319                                 phase ? " resend of" : "",
 320                                 f_name(the_file_list->files[next_gen_i], NULL));
 321                 }
 322                 next_gen_i = read_int(batch_gen_fd);
 323                 if (next_gen_i == -1)
 324                         next_gen_i = the_file_list->count;
 325         }
 326         return next_gen_i;
 327 }
 328
 329
 330 /**
 331  * main routine for receiver process.
 332  *
 333  * Receiver process runs on the same host as the generator process. */
 334 int recv_files(int f_in, struct file_list *flist, char *local_name)
 335 {
 336         int next_gen_i = -1;
 337         int fd1,fd2;
 338         STRUCT_STAT st;
 339         int iflags, xlen;
 340         char *fname, fbuf[MAXPATHLEN];
 341         char xname[MAXPATHLEN];
 342         char fnametmp[MAXPATHLEN];
 343         char *fnamecmp, *partialptr, numbuf[4];
 344         char fnamecmpbuf[MAXPATHLEN];
 345         uchar fnamecmp_type;
 346         struct file_struct *file;
 347         struct stats initial_stats;
 348         int save_make_backups = make_backups;
 349         int itemizing = am_server ? logfile_format_has_i : stdout_format_has_i;
 350         enum logcode log_code = log_before_transfer ? FLOG : FINFO;
 351         int max_phase = protocol_version >= 29 ? 2 : 1;
 352         int i, recv_ok;
 353
 354         if (verbose > 2)
 355                 rprintf(FINFO,"recv_files(%d) starting\n",flist->count);
 356
 357         if (flist->hlink_pool) {
 358                 pool_destroy(flist->hlink_pool);
 359                 flist->hlink_pool = NULL;
 360         }
 361
 362         if (delay_updates)
 363                 delayed_bits = bitbag_create(flist->count);
 364
 365         updating_basis = inplace;
 366
 367         while (1) {
 368                 cleanup_disable();
 369
 370                 i = read_int(f_in);
 371                 if (i == -1) {
 372                         if (read_batch) {
 373                                 get_next_gen_i(batch_gen_fd, next_gen_i,
 374                                                flist->count);
 375                                 next_gen_i = -1;
 376                         }
 377                         if (++phase > max_phase)
 378                                 break;
 379                         csum_length = SUM_LENGTH;
 380                         if (verbose > 2)
 381                                 rprintf(FINFO, "recv_files phase=%d\n", phase);
 382                         if (phase == 2 && delay_updates)
 383                                 handle_delayed_updates(flist, local_name);
 384                         send_msg(MSG_DONE, "", 0);
 385                         if (keep_partial && !partial_dir)
 386                                 make_backups = 0; /* prevents double backup */
 387                         if (append_mode) {
 388                                 append_mode = 0;
 389                                 sparse_files = 0;
 390                         }
 391                         continue;
 392                 }
 393
 394                 iflags = read_item_attrs(f_in, -1, i, &fnamecmp_type,
 395                                          xname, &xlen);
 396                 if (iflags == ITEM_IS_NEW) /* no-op packet */
 397                         continue;
 398
 399                 file = flist->files[i];
 400                 fname = local_name ? local_name : f_name(file, fbuf);
 401
 402                 if (verbose > 2)
 403                         rprintf(FINFO, "recv_files(%s)\n", fname);
 404
 405                 if (!(iflags & ITEM_TRANSFER)) {
 406                         maybe_log_item(file, iflags, itemizing, xname);
 407                         continue;
 408                 }
 409                 if (phase == 2) {
 410                         rprintf(FERROR,
 411                                 "got transfer request in phase 2 [%s]\n",
 412                                 who_am_i());
 413                         exit_cleanup(RERR_PROTOCOL);
 414                 }
 415
 416                 stats.current_file_index = i;
 417                 stats.num_transferred_files++;
 418                 stats.total_transferred_size += file->length;
 419                 cleanup_got_literal = 0;
 420
 421                 if (server_filter_list.head
 422                     && check_filter(&server_filter_list, fname, 0) < 0) {
 423                         rprintf(FERROR, "attempt to hack rsync failed.\n");
 424                         exit_cleanup(RERR_PROTOCOL);
 425                 }
 426
 427                 if (!do_xfers) { /* log the transfer */
 428                         log_item(FCLIENT, file, &stats, iflags, NULL);
 429                         if (read_batch)
 430                                 discard_receive_data(f_in, file->length);
 431                         continue;
 432                 }
 433                 if (write_batch < 0) {
 434                         log_item(FINFO, file, &stats, iflags, NULL);
 435                         if (!am_server)
 436                                 discard_receive_data(f_in, file->length);
 437                         continue;
 438                 }
 439
 440                 if (read_batch) {
 441                         next_gen_i = get_next_gen_i(batch_gen_fd, next_gen_i, i);
 442                         if (i < next_gen_i) {
 443                                 rprintf(FINFO,
 444                                         "(Skipping batched update for \"%s\")\n",
 445                                         fname);
 446                                 discard_receive_data(f_in, file->length);
 447                                 continue;
 448                         }
 449                         next_gen_i = -1;
 450                 }
 451
 452                 partialptr = partial_dir ? partial_dir_fname(fname) : fname;
 453
 454                 if (protocol_version >= 29) {
 455                         switch (fnamecmp_type) {
 456                         case FNAMECMP_FNAME:
 457                                 fnamecmp = fname;
 458                                 break;
 459                         case FNAMECMP_PARTIAL_DIR:
 460                                 fnamecmp = partialptr;
 461                                 break;
 462                         case FNAMECMP_BACKUP:
 463                                 fnamecmp = get_backup_name(fname);
 464                                 break;
 465                         case FNAMECMP_FUZZY:
 466                                 updating_basis = 0;
 467                                 if (file->dirname) {
 468                                         pathjoin(fnamecmpbuf, MAXPATHLEN,
 469                                                  file->dirname, xname);
 470                                         fnamecmp = fnamecmpbuf;
 471                                 } else
 472                                         fnamecmp = xname;
 473                                 break;
 474                         default:
 475                                 updating_basis = 0;
 476                                 if (fnamecmp_type >= basis_dir_cnt) {
 477                                         rprintf(FERROR,
 478                                                 "invalid basis_dir index: %d.\n",
 479                                                 fnamecmp_type);
 480                                         exit_cleanup(RERR_PROTOCOL);
 481                                 }
 482                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
 483                                          basis_dir[fnamecmp_type], fname);
 484                                 fnamecmp = fnamecmpbuf;
 485                                 break;
 486                         }
 487                         if (!fnamecmp || (server_filter_list.head
 488                           && check_filter(&server_filter_list, fname, 0) < 0))
 489                                 fnamecmp = fname;
 490                 } else {
 491                         /* Reminder: --inplace && --partial-dir are never
 492                          * enabled at the same time. */
 493                         if (inplace && make_backups) {
 494                                 if (!(fnamecmp = get_backup_name(fname)))
 495                                         fnamecmp = fname;
 496                         } else if (partial_dir && partialptr)
 497                                 fnamecmp = partialptr;
 498                         else
 499                                 fnamecmp = fname;
 500                 }
 501
 502                 initial_stats = stats;
 503
 504                 /* open the file */
 505                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
 506
 507                 if (fd1 == -1 && protocol_version < 29) {
 508                         if (fnamecmp != fname) {
 509                                 fnamecmp = fname;
 510                                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
 511                         }
 512
 513                         if (fd1 == -1 && basis_dir[0]) {
 514                                 /* pre-29 allowed only one alternate basis */
 515                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
 516                                          basis_dir[0], fname);
 517                                 fnamecmp = fnamecmpbuf;
 518                                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
 519                         }
 520                 }
 521
 522                 if (fd1 != -1 && do_fstat(fd1,&st) != 0) {
 523                         rsyserr(FERROR, errno, "fstat %s failed",
 524                                 full_fname(fnamecmp));
 525                         discard_receive_data(f_in, file->length);
 526                         close(fd1);
 527                         continue;
 528                 }
 529
 530                 if (fd1 != -1 && S_ISDIR(st.st_mode) && fnamecmp == fname) {
 531                         /* this special handling for directories
 532                          * wouldn't be necessary if robust_rename()
 533                          * and the underlying robust_unlink could cope
 534                          * with directories
 535                          */
 536                         rprintf(FERROR,"recv_files: %s is a directory\n",
 537                                 full_fname(fnamecmp));
 538                         discard_receive_data(f_in, file->length);
 539                         close(fd1);
 540                         continue;
 541                 }
 542
 543                 if (fd1 != -1 && !S_ISREG(st.st_mode)) {
 544                         close(fd1);
 545                         fd1 = -1;
 546                 }
 547
 548                 /* If we're not preserving permissions, change the file-list's
 549                  * mode based on the local permissions and some heuristics. */
 550                 if (!preserve_perms) {
 551                         int exists = fd1 != -1;
 552                         file->mode = dest_mode(file->mode, st.st_mode, exists);
 553                 }
 554
 555                 /* We now check to see if we are writing the file "inplace" */
 556                 if (inplace)  {
 557                         fd2 = do_open(fname, O_WRONLY|O_CREAT, 0600);
 558                         if (fd2 == -1) {
 559                                 rsyserr(FERROR, errno, "open %s failed",
 560                                         full_fname(fname));
 561                                 discard_receive_data(f_in, file->length);
 562                                 if (fd1 != -1)
 563                                         close(fd1);
 564                                 continue;
 565                         }
 566                 } else {
 567                         if (!get_tmpname(fnametmp,fname)) {
 568                                 discard_receive_data(f_in, file->length);
 569                                 if (fd1 != -1)
 570                                         close(fd1);
 571                                 continue;
 572                         }
 573
 574                         /* we initially set the perms without the
 575                          * setuid/setgid bits to ensure that there is no race
 576                          * condition. They are then correctly updated after
 577                          * the lchown. Thanks to snabb@epipe.fi for pointing
 578                          * this out.  We also set it initially without group
 579                          * access because of a similar race condition. */
 580                         fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
 581
 582                         /* in most cases parent directories will already exist
 583                          * because their information should have been previously
 584                          * transferred, but that may not be the case with -R */
 585                         if (fd2 == -1 && relative_paths && errno == ENOENT
 586                             && create_directory_path(fnametmp) == 0) {
 587                                 /* Get back to name with XXXXXX in it. */
 588                                 get_tmpname(fnametmp, fname);
 589                                 fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
 590                         }
 591                         if (fd2 == -1) {
 592                                 rsyserr(FERROR, errno, "mkstemp %s failed",
 593                                         full_fname(fnametmp));
 594                                 discard_receive_data(f_in, file->length);
 595                                 if (fd1 != -1)
 596                                         close(fd1);
 597                                 continue;
 598                         }
 599
 600                         cleanup_set(fnametmp, partialptr, file, fd1, fd2);
 601                 }
 602
 603                 /* log the transfer */
 604                 if (log_before_transfer)
 605                         log_item(FCLIENT, file, &initial_stats, iflags, NULL);
 606                 else if (!am_server && verbose && do_progress)
 607                         rprintf(FINFO, "%s\n", fname);
 608
 609                 /* recv file data */
 610                 recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size,
 611                                        fname, fd2, file->length);
 612
 613                 log_item(log_code, file, &initial_stats, iflags, NULL);
 614
 615                 if (fd1 != -1)
 616                         close(fd1);
 617                 if (close(fd2) < 0) {
 618                         rsyserr(FERROR, errno, "close failed on %s",
 619                                 full_fname(fnametmp));
 620                         exit_cleanup(RERR_FILEIO);
 621                 }
 622
 623                 if ((recv_ok && (!delay_updates || !partialptr)) || inplace) {
 624                         char *temp_copy_name;
 625                         if (partialptr == fname)
 626                                 partialptr = temp_copy_name = NULL;
 627                         else if (*partial_dir == '/')
 628                                 temp_copy_name = NULL;
 629                         else
 630                                 temp_copy_name = partialptr;
 631                         finish_transfer(fname, fnametmp, temp_copy_name,
 632                                         file, recv_ok, 1);
 633                         if (fnamecmp == partialptr) {
 634                                 do_unlink(partialptr);
 635                                 handle_partial_dir(partialptr, PDIR_DELETE);
 636                         }
 637                 } else if (keep_partial && partialptr
 638                     && handle_partial_dir(partialptr, PDIR_CREATE)) {
 639                         finish_transfer(partialptr, fnametmp, NULL,
 640                                         file, recv_ok, !partial_dir);
 641                         if (delay_updates && recv_ok) {
 642                                 bitbag_set_bit(delayed_bits, i);
 643                                 recv_ok = -1;
 644                         }
 645                 } else {
 646                         partialptr = NULL;
 647                         do_unlink(fnametmp);
 648                 }
 649
 650                 cleanup_disable();
 651
 652                 if (recv_ok > 0) {
 653                         if (remove_source_files
 654                             || (preserve_hard_links && file->link_u.links)) {
 655                                 SIVAL(numbuf, 0, i);
 656                                 send_msg(MSG_SUCCESS, numbuf, 4);
 657                         }
 658                 } else if (!recv_ok) {
 659                         int 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                                 SIVAL(numbuf, 0, i);
 681                                 send_msg(MSG_REDO, numbuf, 4);
 682                         }
 683                 }
 684         }
 685         make_backups = save_make_backups;
 686
 687         if (phase == 2 && delay_updates) /* for protocol_version < 29 */
 688                 handle_delayed_updates(flist, local_name);
 689
 690         if (verbose > 2)
 691                 rprintf(FINFO,"recv_files finished\n");
 692
 693         return 0;
 694 }