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