receiver.c

   1 /* -*- c-file-style: "linux" -*-
   2
   3    Copyright (C) 1996-2000 by Andrew Tridgell
   4    Copyright (C) Paul Mackerras 1996
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21 #include "rsync.h"
  22
  23 extern int verbose;
  24 extern int do_xfers;
  25 extern int am_daemon;
  26 extern int am_server;
  27 extern int do_progress;
  28 extern int log_before_transfer;
  29 extern int log_format_has_i;
  30 extern int daemon_log_format_has_i;
  31 extern int csum_length;
  32 extern int read_batch;
  33 extern int write_batch;
  34 extern int batch_gen_fd;
  35 extern int protocol_version;
  36 extern int relative_paths;
  37 extern int keep_dirlinks;
  38 extern int preserve_hard_links;
  39 extern int preserve_perms;
  40 extern int io_error;
  41 extern int basis_dir_cnt;
  42 extern int make_backups;
  43 extern int cleanup_got_literal;
  44 extern int remove_sent_files;
  45 extern int module_id;
  46 extern int ignore_errors;
  47 extern int append_mode;
  48 extern int sparse_files;
  49 extern int keep_partial;
  50 extern int checksum_seed;
  51 extern int inplace;
  52 extern int delay_updates;
  53 extern struct stats stats;
  54 extern char *log_format;
  55 extern char *tmpdir;
  56 extern char *partial_dir;
  57 extern char *basis_dir[];
  58 extern struct file_list *the_file_list;
  59 extern struct filter_list_struct server_filter_list;
  60
  61 static struct bitbag *delayed_bits = NULL;
  62 static int phase = 0;
  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 static int get_tmpname(char *fnametmp, char *fname)
  87 {
  88         char *f;
  89         int     length = 0;
  90         int     maxname;
  91
  92         if (tmpdir) {
  93                 /* Note: this can't overflow, so the return value is safe */
  94                 length = strlcpy(fnametmp, tmpdir, MAXPATHLEN - 2);
  95                 fnametmp[length++] = '/';
  96                 fnametmp[length] = '\0';        /* always NULL terminated */
  97         }
  98
  99         if ((f = strrchr(fname, '/')) != NULL) {
 100                 ++f;
 101                 if (!tmpdir) {
 102                         length = f - fname;
 103                         /* copy up to and including the slash */
 104                         strlcpy(fnametmp, fname, length + 1);
 105                 }
 106         } else
 107                 f = fname;
 108         fnametmp[length++] = '.';
 109         fnametmp[length] = '\0';                /* always NULL terminated */
 110
 111         maxname = MIN(MAXPATHLEN - 7 - length, NAME_MAX - 8);
 112
 113         if (maxname < 1) {
 114                 rprintf(FERROR, "temporary filename too long: %s\n", fname);
 115                 fnametmp[0] = '\0';
 116                 return 0;
 117         }
 118
 119         strlcpy(fnametmp + length, f, maxname);
 120         strcat(fnametmp + length, ".XXXXXX");
 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 && do_lseek(fd, offset, SEEK_SET) != offset) {
 174                         rsyserr(FERROR, errno, "lseek failed on %s",
 175                                 full_fname(fname));
 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 (inplace) {
 223                         if (offset == offset2 && fd != -1) {
 224                                 if (flush_write_file(fd) < 0)
 225                                         goto report_write_error;
 226                                 offset += len;
 227                                 if (do_lseek(fd, len, SEEK_CUR) != offset) {
 228                                         rsyserr(FERROR, errno,
 229                                                 "lseek failed on %s",
 230                                                 full_fname(fname));
 231                                         exit_cleanup(RERR_FILEIO);
 232                                 }
 233                                 continue;
 234                         }
 235                 }
 236                 if (fd != -1 && map && write_file(fd, map, len) != (int)len)
 237                         goto report_write_error;
 238                 offset += len;
 239         }
 240
 241         if (flush_write_file(fd) < 0)
 242                 goto report_write_error;
 243
 244 #ifdef HAVE_FTRUNCATE
 245         if (inplace && fd != -1)
 246                 ftruncate(fd, offset);
 247 #endif
 248
 249         if (do_progress)
 250                 end_progress(total_size);
 251
 252         if (fd != -1 && offset > 0 && sparse_end(fd) != 0) {
 253             report_write_error:
 254                 rsyserr(FERROR, errno, "write failed on %s",
 255                         full_fname(fname));
 256                 exit_cleanup(RERR_FILEIO);
 257         }
 258
 259         sum_end(file_sum1);
 260
 261         if (mapbuf)
 262                 unmap_file(mapbuf);
 263
 264         read_buf(f_in,file_sum2,MD4_SUM_LENGTH);
 265         if (verbose > 2)
 266                 rprintf(FINFO,"got file_sum\n");
 267         if (fd != -1 && memcmp(file_sum1, file_sum2, MD4_SUM_LENGTH) != 0)
 268                 return 0;
 269         return 1;
 270 }
 271
 272
 273 static void discard_receive_data(int f_in, OFF_T length)
 274 {
 275         receive_data(f_in, NULL, -1, 0, NULL, -1, length);
 276 }
 277
 278 static void handle_delayed_updates(struct file_list *flist, char *local_name)
 279 {
 280         char *fname, *partialptr, numbuf[4];
 281         int i;
 282
 283         for (i = -1; (i = bitbag_next_bit(delayed_bits, i)) >= 0; ) {
 284                 struct file_struct *file = flist->files[i];
 285                 fname = local_name ? local_name : f_name(file, NULL);
 286                 if ((partialptr = partial_dir_fname(fname)) != NULL) {
 287                         if (make_backups && !make_backup(fname))
 288                                 continue;
 289                         if (verbose > 2) {
 290                                 rprintf(FINFO, "renaming %s to %s\n",
 291                                         partialptr, fname);
 292                         }
 293                         /* We don't use robust_rename() here because the
 294                          * partial-dir must be on the same drive. */
 295                         if (do_rename(partialptr, fname) < 0) {
 296                                 rsyserr(FERROR, errno,
 297                                         "rename failed for %s (from %s)",
 298                                         full_fname(fname), partialptr);
 299                         } else {
 300                                 if (remove_sent_files
 301                                     || (preserve_hard_links
 302                                      && file->link_u.links)) {
 303                                         SIVAL(numbuf, 0, i);
 304                                         send_msg(MSG_SUCCESS,numbuf,4);
 305                                 }
 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, numbuf[4];
 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_daemon ? daemon_log_format_has_i
 349                       : !am_server && log_format_has_i;
 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         while (1) {
 365                 cleanup_disable();
 366
 367                 i = read_int(f_in);
 368                 if (i == -1) {
 369                         if (read_batch) {
 370                                 get_next_gen_i(batch_gen_fd, next_gen_i,
 371                                                flist->count);
 372                                 next_gen_i = -1;
 373                         }
 374                         if (++phase > max_phase)
 375                                 break;
 376                         csum_length = SUM_LENGTH;
 377                         if (verbose > 2)
 378                                 rprintf(FINFO, "recv_files phase=%d\n", phase);
 379                         if (phase == 2 && delay_updates)
 380                                 handle_delayed_updates(flist, local_name);
 381                         send_msg(MSG_DONE, "", 0);
 382                         if (keep_partial && !partial_dir)
 383                                 make_backups = 0; /* prevents double backup */
 384                         if (append_mode) {
 385                                 append_mode = 0;
 386                                 sparse_files = 0;
 387                         }
 388                         continue;
 389                 }
 390
 391                 iflags = read_item_attrs(f_in, -1, i, &fnamecmp_type,
 392                                          xname, &xlen);
 393                 if (iflags == ITEM_IS_NEW) /* no-op packet */
 394                         continue;
 395
 396                 file = flist->files[i];
 397                 fname = local_name ? local_name : f_name(file, fbuf);
 398
 399                 if (verbose > 2)
 400                         rprintf(FINFO, "recv_files(%s)\n", fname);
 401
 402                 if (!(iflags & ITEM_TRANSFER)) {
 403                         maybe_log_item(file, iflags, itemizing, xname);
 404                         continue;
 405                 }
 406                 if (phase == 2) {
 407                         rprintf(FERROR,
 408                                 "got transfer request in phase 2 [%s]\n",
 409                                 who_am_i());
 410                         exit_cleanup(RERR_PROTOCOL);
 411                 }
 412
 413                 stats.current_file_index = i;
 414                 stats.num_transferred_files++;
 415                 stats.total_transferred_size += file->length;
 416                 cleanup_got_literal = 0;
 417
 418                 if (server_filter_list.head
 419                     && check_filter(&server_filter_list, fname, 0) < 0) {
 420                         rprintf(FERROR, "attempt to hack rsync failed.\n");
 421                         exit_cleanup(RERR_PROTOCOL);
 422                 }
 423
 424                 if (!do_xfers) { /* log the transfer */
 425                         if (!am_server && log_format)
 426                                 log_item(file, &stats, iflags, NULL);
 427                         if (read_batch)
 428                                 discard_receive_data(f_in, file->length);
 429                         continue;
 430                 }
 431                 if (write_batch < 0) {
 432                         log_item(file, &stats, iflags, NULL);
 433                         if (!am_server)
 434                                 discard_receive_data(f_in, file->length);
 435                         continue;
 436                 }
 437
 438                 if (read_batch) {
 439                         next_gen_i = get_next_gen_i(batch_gen_fd, next_gen_i, i);
 440                         if (i < next_gen_i) {
 441                                 rprintf(FINFO,
 442                                         "(Skipping batched update for \"%s\")\n",
 443                                         fname);
 444                                 discard_receive_data(f_in, file->length);
 445                                 continue;
 446                         }
 447                         next_gen_i = -1;
 448                 }
 449
 450                 partialptr = partial_dir ? partial_dir_fname(fname) : fname;
 451
 452                 if (protocol_version >= 29) {
 453                         switch (fnamecmp_type) {
 454                         case FNAMECMP_FNAME:
 455                                 fnamecmp = fname;
 456                                 break;
 457                         case FNAMECMP_PARTIAL_DIR:
 458                                 fnamecmp = partialptr;
 459                                 break;
 460                         case FNAMECMP_BACKUP:
 461                                 fnamecmp = get_backup_name(fname);
 462                                 break;
 463                         case FNAMECMP_FUZZY:
 464                                 if (file->dirname) {
 465                                         pathjoin(fnamecmpbuf, MAXPATHLEN,
 466                                                  file->dirname, xname);
 467                                         fnamecmp = fnamecmpbuf;
 468                                 } else
 469                                         fnamecmp = xname;
 470                                 break;
 471                         default:
 472                                 if (fnamecmp_type >= basis_dir_cnt) {
 473                                         rprintf(FERROR,
 474                                                 "invalid basis_dir index: %d.\n",
 475                                                 fnamecmp_type);
 476                                         exit_cleanup(RERR_PROTOCOL);
 477                                 }
 478                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
 479                                          basis_dir[fnamecmp_type], fname);
 480                                 fnamecmp = fnamecmpbuf;
 481                                 break;
 482                         }
 483                         if (!fnamecmp || (server_filter_list.head
 484                           && check_filter(&server_filter_list, fname, 0) < 0))
 485                                 fnamecmp = fname;
 486                 } else {
 487                         /* Reminder: --inplace && --partial-dir are never
 488                          * enabled at the same time. */
 489                         if (inplace && make_backups) {
 490                                 if (!(fnamecmp = get_backup_name(fname)))
 491                                         fnamecmp = fname;
 492                         } else if (partial_dir && partialptr)
 493                                 fnamecmp = partialptr;
 494                         else
 495                                 fnamecmp = fname;
 496                 }
 497
 498                 initial_stats = stats;
 499
 500                 /* open the file */
 501                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
 502
 503                 if (fd1 == -1 && protocol_version < 29) {
 504                         if (fnamecmp != fname) {
 505                                 fnamecmp = fname;
 506                                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
 507                         }
 508
 509                         if (fd1 == -1 && basis_dir[0]) {
 510                                 /* pre-29 allowed only one alternate basis */
 511                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
 512                                          basis_dir[0], fname);
 513                                 fnamecmp = fnamecmpbuf;
 514                                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
 515                         }
 516                 }
 517
 518                 if (fd1 != -1 && do_fstat(fd1,&st) != 0) {
 519                         rsyserr(FERROR, errno, "fstat %s failed",
 520                                 full_fname(fnamecmp));
 521                         discard_receive_data(f_in, file->length);
 522                         close(fd1);
 523                         continue;
 524                 }
 525
 526                 if (fd1 != -1 && S_ISDIR(st.st_mode) && fnamecmp == fname) {
 527                         /* this special handling for directories
 528                          * wouldn't be necessary if robust_rename()
 529                          * and the underlying robust_unlink could cope
 530                          * with directories
 531                          */
 532                         rprintf(FERROR,"recv_files: %s is a directory\n",
 533                                 full_fname(fnamecmp));
 534                         discard_receive_data(f_in, file->length);
 535                         close(fd1);
 536                         continue;
 537                 }
 538
 539                 if (fd1 != -1 && !S_ISREG(st.st_mode)) {
 540                         close(fd1);
 541                         fd1 = -1;
 542                 }
 543
 544                 /* If we're not preserving permissions, change the file-list's
 545                  * mode based on the local permissions and some heuristics. */
 546                 if (!preserve_perms) {
 547                         int exists = fd1 != -1;
 548                         file->mode = dest_mode(file->mode, st.st_mode, exists);
 549                 }
 550
 551                 /* We now check to see if we are writing file "inplace" */
 552                 if (inplace)  {
 553                         fd2 = do_open(fname, O_WRONLY|O_CREAT, 0600);
 554                         if (fd2 == -1) {
 555                                 rsyserr(FERROR, errno, "open %s failed",
 556                                         full_fname(fname));
 557                                 discard_receive_data(f_in, file->length);
 558                                 if (fd1 != -1)
 559                                         close(fd1);
 560                                 continue;
 561                         }
 562                 } else {
 563                         if (!get_tmpname(fnametmp,fname)) {
 564                                 discard_receive_data(f_in, file->length);
 565                                 if (fd1 != -1)
 566                                         close(fd1);
 567                                 continue;
 568                         }
 569
 570                         /* we initially set the perms without the
 571                          * setuid/setgid bits to ensure that there is no race
 572                          * condition. They are then correctly updated after
 573                          * the lchown. Thanks to snabb@epipe.fi for pointing
 574                          * this out.  We also set it initially without group
 575                          * access because of a similar race condition. */
 576                         fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
 577
 578                         /* in most cases parent directories will already exist
 579                          * because their information should have been previously
 580                          * transferred, but that may not be the case with -R */
 581                         if (fd2 == -1 && relative_paths && errno == ENOENT
 582                             && create_directory_path(fnametmp) == 0) {
 583                                 /* Get back to name with XXXXXX in it. */
 584                                 get_tmpname(fnametmp, fname);
 585                                 fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
 586                         }
 587                         if (fd2 == -1) {
 588                                 rsyserr(FERROR, errno, "mkstemp %s failed",
 589                                         full_fname(fnametmp));
 590                                 discard_receive_data(f_in, file->length);
 591                                 if (fd1 != -1)
 592                                         close(fd1);
 593                                 continue;
 594                         }
 595
 596                         if (keep_partial)
 597                                 cleanup_set(fnametmp, partialptr, file, fd1, fd2);
 598                 }
 599
 600                 /* log the transfer */
 601                 if (log_before_transfer)
 602                         log_item(file, &initial_stats, iflags, NULL);
 603                 else if (!am_server && verbose && do_progress)
 604                         rprintf(FINFO, "%s\n", fname);
 605
 606                 /* recv file data */
 607                 recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size,
 608                                        fname, fd2, file->length);
 609
 610                 if (!log_before_transfer)
 611                         log_item(file, &initial_stats, iflags, NULL);
 612
 613                 if (fd1 != -1)
 614                         close(fd1);
 615                 if (close(fd2) < 0) {
 616                         rsyserr(FERROR, errno, "close failed on %s",
 617                                 full_fname(fnametmp));
 618                         exit_cleanup(RERR_FILEIO);
 619                 }
 620
 621                 if ((recv_ok && (!delay_updates || !partialptr)) || inplace) {
 622                         if (partialptr == fname || *partial_dir == '/')
 623                                 partialptr = NULL;
 624                         finish_transfer(fname, fnametmp, partialptr,
 625                                         file, recv_ok, 1);
 626                         if (fnamecmp == partialptr) {
 627                                 do_unlink(partialptr);
 628                                 handle_partial_dir(partialptr, PDIR_DELETE);
 629                         }
 630                 } else if (keep_partial && partialptr
 631                     && handle_partial_dir(partialptr, PDIR_CREATE)) {
 632                         finish_transfer(partialptr, fnametmp, NULL,
 633                                         file, recv_ok, !partial_dir);
 634                         if (delay_updates && recv_ok) {
 635                                 bitbag_set_bit(delayed_bits, i);
 636                                 recv_ok = -1;
 637                         }
 638                 } else {
 639                         partialptr = NULL;
 640                         do_unlink(fnametmp);
 641                 }
 642
 643                 cleanup_disable();
 644
 645                 if (recv_ok > 0) {
 646                         if (remove_sent_files
 647                             || (preserve_hard_links && file->link_u.links)) {
 648                                 SIVAL(numbuf, 0, i);
 649                                 send_msg(MSG_SUCCESS, numbuf, 4);
 650                         }
 651                 } else if (!recv_ok) {
 652                         int msgtype = phase || read_batch ? FERROR : FINFO;
 653                         if (msgtype == FERROR || verbose) {
 654                                 char *errstr, *redostr, *keptstr;
 655                                 if (!(keep_partial && partialptr) && !inplace)
 656                                         keptstr = "discarded";
 657                                 else if (partial_dir)
 658                                         keptstr = "put into partial-dir";
 659                                 else
 660                                         keptstr = "retained";
 661                                 if (msgtype == FERROR) {
 662                                         errstr = "ERROR";
 663                                         redostr = "";
 664                                 } else {
 665                                         errstr = "WARNING";
 666                                         redostr = " (will try again)";
 667                                 }
 668                                 rprintf(msgtype,
 669                                         "%s: %s failed verification -- update %s%s.\n",
 670                                         errstr, fname, keptstr, redostr);
 671                         }
 672                         if (!phase) {
 673                                 SIVAL(numbuf, 0, i);
 674                                 send_msg(MSG_REDO, numbuf, 4);
 675                         }
 676                 }
 677         }
 678         make_backups = save_make_backups;
 679
 680         if (phase == 2 && delay_updates) /* for protocol_version < 29 */
 681                 handle_delayed_updates(flist, local_name);
 682
 683         if (verbose > 2)
 684                 rprintf(FINFO,"recv_files finished\n");
 685
 686         return 0;
 687 }