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 dry_run;
  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 delete_after;
  32 extern int csum_length;
  33 extern int read_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 orig_umask;
  48 extern int keep_partial;
  49 extern int checksum_seed;
  50 extern int inplace;
  51 extern int delay_updates;
  52 extern struct stats stats;
  53 extern char *log_format;
  54 extern char *tmpdir;
  55 extern char *partial_dir;
  56 extern char *basis_dir[];
  57
  58 extern struct filter_list_struct server_filter_list;
  59
  60
  61 /* This deletes any files on the receiving side that are not present on the
  62  * sending side.  This is used by --delete-before and --delete-after. */
  63 void delete_files(struct file_list *flist)
  64 {
  65         char fbuf[MAXPATHLEN];
  66         int j;
  67
  68         for (j = 0; j < flist->count; j++) {
  69                 struct file_struct *file = flist->files[j];
  70
  71                 if (!(file->flags & FLAG_DEL_HERE))
  72                         continue;
  73
  74                 f_name_to(file, fbuf);
  75                 if (verbose > 1 && file->flags & FLAG_TOP_DIR)
  76                         rprintf(FINFO, "deleting in %s\n", safe_fname(fbuf));
  77
  78                 delete_in_dir(flist, fbuf, file);
  79         }
  80 }
  81
  82 #define SLOT_SIZE       (16*1024)       /* Desired size in bytes */
  83 #define PER_SLOT_BITS   (SLOT_SIZE * 8) /* Number of bits per slot */
  84 #define PER_SLOT_INTS   (SLOT_SIZE / 4) /* Number of int32s per slot */
  85
  86 static uint32 **delayed_bits = NULL;
  87 static int delayed_slot_cnt = 0;
  88
  89 static void init_delayed_bits(int max_ndx)
  90 {
  91         delayed_slot_cnt = (max_ndx + PER_SLOT_BITS - 1) / PER_SLOT_BITS;
  92
  93         if (!(delayed_bits = (uint32**)calloc(delayed_slot_cnt, sizeof (uint32*))))
  94                 out_of_memory("set_delayed_bit");
  95 }
  96
  97 static void set_delayed_bit(int ndx)
  98 {
  99         int slot = ndx / PER_SLOT_BITS;
 100         ndx %= PER_SLOT_BITS;
 101
 102         if (!delayed_bits[slot]) {
 103                 if (!(delayed_bits[slot] = (uint32*)calloc(PER_SLOT_INTS, 4)))
 104                         out_of_memory("set_delayed_bit");
 105         }
 106
 107         delayed_bits[slot][ndx/32] |= 1u << (ndx % 32);
 108 }
 109
 110 /* Call this with -1 to start checking from 0.  Returns -1 at the end. */
 111 static int next_delayed_bit(int after)
 112 {
 113         uint32 bits, mask;
 114         int i, ndx = after + 1;
 115         int slot = ndx / PER_SLOT_BITS;
 116         ndx %= PER_SLOT_BITS;
 117
 118         mask = (1u << (ndx % 32)) - 1;
 119         for (i = ndx / 32; slot < delayed_slot_cnt; slot++, i = mask = 0) {
 120                 if (!delayed_bits[slot])
 121                         continue;
 122                 for ( ; i < PER_SLOT_INTS; i++, mask = 0) {
 123                         if (!(bits = delayed_bits[slot][i] & ~mask))
 124                                 continue;
 125                         /* The xor magic figures out the lowest enabled bit in
 126                          * bits, and the switch quickly computes log2(bit). */
 127                         switch (bits ^ (bits & (bits-1))) {
 128 #define LOG2(n) case 1u << n: return slot*PER_SLOT_BITS + i*32 + n
 129                             LOG2(0);  LOG2(1);  LOG2(2);  LOG2(3);
 130                             LOG2(4);  LOG2(5);  LOG2(6);  LOG2(7);
 131                             LOG2(8);  LOG2(9);  LOG2(10); LOG2(11);
 132                             LOG2(12); LOG2(13); LOG2(14); LOG2(15);
 133                             LOG2(16); LOG2(17); LOG2(18); LOG2(19);
 134                             LOG2(20); LOG2(21); LOG2(22); LOG2(23);
 135                             LOG2(24); LOG2(25); LOG2(26); LOG2(27);
 136                             LOG2(28); LOG2(29); LOG2(30); LOG2(31);
 137                         }
 138                         return -1; /* impossible... */
 139                 }
 140         }
 141
 142         return -1;
 143 }
 144
 145
 146 /*
 147  * get_tmpname() - create a tmp filename for a given filename
 148  *
 149  *   If a tmpdir is defined, use that as the directory to
 150  *   put it in.  Otherwise, the tmp filename is in the same
 151  *   directory as the given name.  Note that there may be no
 152  *   directory at all in the given name!
 153  *
 154  *   The tmp filename is basically the given filename with a
 155  *   dot prepended, and .XXXXXX appended (for mkstemp() to
 156  *   put its unique gunk in).  Take care to not exceed
 157  *   either the MAXPATHLEN or NAME_MAX, esp. the last, as
 158  *   the basename basically becomes 8 chars longer. In that
 159  *   case, the original name is shortened sufficiently to
 160  *   make it all fit.
 161  *
 162  *   Of course, there's no real reason for the tmp name to
 163  *   look like the original, except to satisfy us humans.
 164  *   As long as it's unique, rsync will work.
 165  */
 166
 167 static int get_tmpname(char *fnametmp, char *fname)
 168 {
 169         char *f;
 170         int     length = 0;
 171         int     maxname;
 172
 173         if (tmpdir) {
 174                 /* Note: this can't overflow, so the return value is safe */
 175                 length = strlcpy(fnametmp, tmpdir, MAXPATHLEN - 2);
 176                 fnametmp[length++] = '/';
 177                 fnametmp[length] = '\0';        /* always NULL terminated */
 178         }
 179
 180         if ((f = strrchr(fname, '/')) != NULL) {
 181                 ++f;
 182                 if (!tmpdir) {
 183                         length = f - fname;
 184                         /* copy up to and including the slash */
 185                         strlcpy(fnametmp, fname, length + 1);
 186                 }
 187         } else
 188                 f = fname;
 189         fnametmp[length++] = '.';
 190         fnametmp[length] = '\0';                /* always NULL terminated */
 191
 192         maxname = MIN(MAXPATHLEN - 7 - length, NAME_MAX - 8);
 193
 194         if (maxname < 1) {
 195                 rprintf(FERROR, "temporary filename too long: %s\n",
 196                         safe_fname(fname));
 197                 fnametmp[0] = '\0';
 198                 return 0;
 199         }
 200
 201         strlcpy(fnametmp + length, f, maxname);
 202         strcat(fnametmp + length, ".XXXXXX");
 203
 204         return 1;
 205 }
 206
 207
 208 static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
 209                         char *fname, int fd, OFF_T total_size)
 210 {
 211         static char file_sum1[MD4_SUM_LENGTH];
 212         static char file_sum2[MD4_SUM_LENGTH];
 213         struct map_struct *mapbuf;
 214         struct sum_struct sum;
 215         int32 len;
 216         OFF_T offset = 0;
 217         OFF_T offset2;
 218         char *data;
 219         int32 i;
 220         char *map = NULL;
 221
 222         read_sum_head(f_in, &sum);
 223
 224         if (fd_r >= 0 && size_r > 0) {
 225                 int32 read_size = MAX(sum.blength * 2, 16*1024);
 226                 mapbuf = map_file(fd_r, size_r, read_size, sum.blength);
 227                 if (verbose > 2) {
 228                         rprintf(FINFO, "recv mapped %s of size %.0f\n",
 229                                 safe_fname(fname_r), (double)size_r);
 230                 }
 231         } else
 232                 mapbuf = NULL;
 233
 234         sum_init(checksum_seed);
 235
 236         while ((i = recv_token(f_in, &data)) != 0) {
 237                 if (do_progress)
 238                         show_progress(offset, total_size);
 239
 240                 if (i > 0) {
 241                         if (verbose > 3) {
 242                                 rprintf(FINFO,"data recv %d at %.0f\n",
 243                                         i,(double)offset);
 244                         }
 245
 246                         stats.literal_data += i;
 247                         cleanup_got_literal = 1;
 248
 249                         sum_update(data, i);
 250
 251                         if (fd != -1 && write_file(fd,data,i) != i)
 252                                 goto report_write_error;
 253                         offset += i;
 254                         continue;
 255                 }
 256
 257                 i = -(i+1);
 258                 offset2 = i * (OFF_T)sum.blength;
 259                 len = sum.blength;
 260                 if (i == (int)sum.count-1 && sum.remainder != 0)
 261                         len = sum.remainder;
 262
 263                 stats.matched_data += len;
 264
 265                 if (verbose > 3) {
 266                         rprintf(FINFO,
 267                                 "chunk[%d] of size %ld at %.0f offset=%.0f\n",
 268                                 i, (long)len, (double)offset2, (double)offset);
 269                 }
 270
 271                 if (mapbuf) {
 272                         map = map_ptr(mapbuf,offset2,len);
 273
 274                         see_token(map, len);
 275                         sum_update(map, len);
 276                 }
 277
 278                 if (inplace) {
 279                         if (offset == offset2 && fd != -1) {
 280                                 if (flush_write_file(fd) < 0)
 281                                         goto report_write_error;
 282                                 offset += len;
 283                                 if (do_lseek(fd, len, SEEK_CUR) != offset) {
 284                                         rsyserr(FERROR, errno,
 285                                                 "lseek failed on %s",
 286                                                 full_fname(fname));
 287                                         exit_cleanup(RERR_FILEIO);
 288                                 }
 289                                 continue;
 290                         }
 291                 }
 292                 if (fd != -1 && write_file(fd, map, len) != (int)len)
 293                         goto report_write_error;
 294                 offset += len;
 295         }
 296
 297         if (flush_write_file(fd) < 0)
 298                 goto report_write_error;
 299
 300 #ifdef HAVE_FTRUNCATE
 301         if (inplace && fd != -1)
 302                 ftruncate(fd, offset);
 303 #endif
 304
 305         if (do_progress)
 306                 end_progress(total_size);
 307
 308         if (fd != -1 && offset > 0 && sparse_end(fd) != 0) {
 309             report_write_error:
 310                 rsyserr(FERROR, errno, "write failed on %s",
 311                         full_fname(fname));
 312                 exit_cleanup(RERR_FILEIO);
 313         }
 314
 315         sum_end(file_sum1);
 316
 317         if (mapbuf)
 318                 unmap_file(mapbuf);
 319
 320         read_buf(f_in,file_sum2,MD4_SUM_LENGTH);
 321         if (verbose > 2)
 322                 rprintf(FINFO,"got file_sum\n");
 323         if (fd != -1 && memcmp(file_sum1, file_sum2, MD4_SUM_LENGTH) != 0)
 324                 return 0;
 325         return 1;
 326 }
 327
 328
 329 static void read_gen_name(int fd, char *dirname, char *buf)
 330 {
 331         int dlen;
 332         int len = read_byte(fd);
 333
 334         if (len & 0x80) {
 335 #if MAXPATHLEN > 32767
 336                 uchar lenbuf[2];
 337                 read_buf(fd, (char *)lenbuf, 2);
 338                 len = (len & ~0x80) * 0x10000 + lenbuf[0] * 0x100 + lenbuf[1];
 339 #else
 340                 len = (len & ~0x80) * 0x100 + read_byte(fd);
 341 #endif
 342         }
 343
 344         if (dirname) {
 345                 dlen = strlcpy(buf, dirname, MAXPATHLEN);
 346                 buf[dlen++] = '/';
 347         } else
 348                 dlen = 0;
 349
 350         if (dlen + len >= MAXPATHLEN) {
 351                 rprintf(FERROR, "bogus data on generator name pipe\n");
 352                 exit_cleanup(RERR_PROTOCOL);
 353         }
 354
 355         read_sbuf(fd, buf + dlen, len);
 356 }
 357
 358
 359 static void discard_receive_data(int f_in, OFF_T length)
 360 {
 361         receive_data(f_in, NULL, -1, 0, NULL, -1, length);
 362 }
 363
 364
 365 /**
 366  * main routine for receiver process.
 367  *
 368  * Receiver process runs on the same host as the generator process. */
 369 int recv_files(int f_in, struct file_list *flist, char *local_name,
 370                int f_in_name)
 371 {
 372         int next_gen_i = -1;
 373         int fd1,fd2;
 374         STRUCT_STAT st;
 375         int iflags;
 376         char *fname, fbuf[MAXPATHLEN];
 377         char template[MAXPATHLEN];
 378         char fnametmp[MAXPATHLEN];
 379         char *fnamecmp, *partialptr, numbuf[4];
 380         char fnamecmpbuf[MAXPATHLEN];
 381         struct file_struct *file;
 382         struct stats initial_stats;
 383         int save_make_backups = make_backups;
 384         int itemizing = am_daemon ? daemon_log_format_has_i
 385                       : !am_server && log_format_has_i;
 386         int i, recv_ok, phase = 0;
 387
 388         if (verbose > 2)
 389                 rprintf(FINFO,"recv_files(%d) starting\n",flist->count);
 390
 391         if (flist->hlink_pool) {
 392                 pool_destroy(flist->hlink_pool);
 393                 flist->hlink_pool = NULL;
 394         }
 395
 396         if (delay_updates)
 397                 init_delayed_bits(flist->count);
 398
 399         while (1) {
 400                 cleanup_disable();
 401
 402                 i = read_int(f_in);
 403                 if (i == -1) {
 404                         if (read_batch) {
 405                                 if (next_gen_i != flist->count) {
 406                                         do {
 407                                                 if (f_in_name >= 0
 408                                                     && next_gen_i >= 0)
 409                                                         read_byte(f_in_name);
 410                                         } while (read_int(batch_gen_fd) != -1);
 411                                 }
 412                                 next_gen_i = -1;
 413                         }
 414
 415                         if (phase)
 416                                 break;
 417
 418                         phase = 1;
 419                         csum_length = SUM_LENGTH;
 420                         if (verbose > 2)
 421                                 rprintf(FINFO, "recv_files phase=%d\n", phase);
 422                         send_msg(MSG_DONE, "", 0);
 423                         if (keep_partial && !partial_dir)
 424                                 make_backups = 0; /* prevents double backup */
 425                         continue;
 426                 }
 427
 428                 if (i < 0 || i >= flist->count) {
 429                         rprintf(FERROR,"Invalid file index %d in recv_files (count=%d)\n",
 430                                 i, flist->count);
 431                         exit_cleanup(RERR_PROTOCOL);
 432                 }
 433
 434                 file = flist->files[i];
 435                 fname = local_name ? local_name : f_name_to(file, fbuf);
 436
 437                 if (verbose > 2)
 438                         rprintf(FINFO, "recv_files(%s)\n", safe_fname(fname));
 439
 440                 if (protocol_version >= 29) {
 441                         iflags = read_shortint(f_in);
 442                         if (!(iflags & ITEM_UPDATING) || !S_ISREG(file->mode)) {
 443                                 int see_item = itemizing && (iflags || verbose > 1);
 444                                 if (am_server) {
 445                                         if (am_daemon && !dry_run && see_item)
 446                                                 log_recv(file, &stats, iflags);
 447                                 } else if (see_item || iflags & ITEM_UPDATING
 448                                     || (S_ISDIR(file->mode)
 449                                      && iflags & ITEM_REPORT_TIME))
 450                                         log_recv(file, &stats, iflags);
 451                                 continue;
 452                         }
 453                 } else
 454                         iflags = ITEM_UPDATING | ITEM_MISSING_DATA;
 455
 456                 if (!S_ISREG(file->mode)) {
 457                         rprintf(FERROR, "[%s] got index of non-regular file: %d\n",
 458                                 who_am_i(), i);
 459                         exit_cleanup(RERR_PROTOCOL);
 460                 }
 461
 462                 stats.current_file_index = i;
 463                 stats.num_transferred_files++;
 464                 stats.total_transferred_size += file->length;
 465                 cleanup_got_literal = 0;
 466
 467                 if (server_filter_list.head
 468                     && check_filter(&server_filter_list, fname, 0) < 0) {
 469                         rprintf(FERROR, "attempt to hack rsync failed.\n");
 470                         exit_cleanup(RERR_PROTOCOL);
 471                 }
 472
 473                 if (dry_run) { /* log the transfer */
 474                         if (!am_server && log_format)
 475                                 log_recv(file, &stats, iflags);
 476                         continue;
 477                 }
 478
 479                 if (read_batch) {
 480                         while (i > next_gen_i) {
 481                                 if (f_in_name >= 0 && next_gen_i >= 0)
 482                                         read_byte(f_in_name);
 483                                 next_gen_i = read_int(batch_gen_fd);
 484                                 if (next_gen_i == -1)
 485                                         next_gen_i = flist->count;
 486                         }
 487                         if (i < next_gen_i) {
 488                                 rprintf(FINFO, "skipping update for \"%s\"\n",
 489                                         safe_fname(fname));
 490                                 discard_receive_data(f_in, file->length);
 491                                 continue;
 492                         }
 493                         next_gen_i = -1;
 494                 }
 495
 496                 partialptr = partial_dir ? partial_dir_fname(fname) : fname;
 497
 498                 if (f_in_name >= 0) {
 499                         uchar j;
 500                         switch (j = read_byte(f_in_name)) {
 501                         case FNAMECMP_FNAME:
 502                                 fnamecmp = fname;
 503                                 break;
 504                         case FNAMECMP_PARTIAL_DIR:
 505                                 fnamecmp = partialptr ? partialptr : fname;
 506                                 break;
 507                         case FNAMECMP_BACKUP:
 508                                 fnamecmp = get_backup_name(fname);
 509                                 break;
 510                         case FNAMECMP_FUZZY:
 511                                 read_gen_name(f_in_name, file->dirname, fnamecmpbuf);
 512                                 fnamecmp = fnamecmpbuf;
 513                                 break;
 514                         default:
 515                                 if (j >= basis_dir_cnt) {
 516                                         rprintf(FERROR,
 517                                                 "invalid basis_dir index: %d.\n",
 518                                                 j);
 519                                         exit_cleanup(RERR_PROTOCOL);
 520                                 }
 521                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
 522                                          basis_dir[j], fname);
 523                                 fnamecmp = fnamecmpbuf;
 524                                 break;
 525                         }
 526                 } else
 527                         fnamecmp = fname;
 528
 529                 initial_stats = stats;
 530
 531                 /* open the file */
 532                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
 533
 534                 if (fd1 != -1 && do_fstat(fd1,&st) != 0) {
 535                         rsyserr(FERROR, errno, "fstat %s failed",
 536                                 full_fname(fnamecmp));
 537                         discard_receive_data(f_in, file->length);
 538                         close(fd1);
 539                         continue;
 540                 }
 541
 542                 if (fd1 != -1 && S_ISDIR(st.st_mode) && fnamecmp == fname) {
 543                         /* this special handling for directories
 544                          * wouldn't be necessary if robust_rename()
 545                          * and the underlying robust_unlink could cope
 546                          * with directories
 547                          */
 548                         rprintf(FERROR,"recv_files: %s is a directory\n",
 549                                 full_fname(fnamecmp));
 550                         discard_receive_data(f_in, file->length);
 551                         close(fd1);
 552                         continue;
 553                 }
 554
 555                 if (fd1 != -1 && !S_ISREG(st.st_mode)) {
 556                         close(fd1);
 557                         fd1 = -1;
 558                 }
 559
 560                 if (fd1 != -1 && !preserve_perms) {
 561                         /* if the file exists already and we aren't preserving
 562                          * permissions then act as though the remote end sent
 563                          * us the file permissions we already have */
 564                         file->mode = st.st_mode;
 565                 }
 566
 567                 /* We now check to see if we are writing file "inplace" */
 568                 if (inplace)  {
 569                         fd2 = do_open(fname, O_WRONLY|O_CREAT, 0);
 570                         if (fd2 == -1) {
 571                                 rsyserr(FERROR, errno, "open %s failed",
 572                                         full_fname(fname));
 573                                 discard_receive_data(f_in, file->length);
 574                                 if (fd1 != -1)
 575                                         close(fd1);
 576                                 continue;
 577                         }
 578                 } else {
 579                         if (!get_tmpname(fnametmp,fname)) {
 580                                 discard_receive_data(f_in, file->length);
 581                                 if (fd1 != -1)
 582                                         close(fd1);
 583                                 continue;
 584                         }
 585
 586                         strlcpy(template, fnametmp, sizeof template);
 587
 588                         /* we initially set the perms without the
 589                          * setuid/setgid bits to ensure that there is no race
 590                          * condition. They are then correctly updated after
 591                          * the lchown. Thanks to snabb@epipe.fi for pointing
 592                          * this out.  We also set it initially without group
 593                          * access because of a similar race condition. */
 594                         fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
 595
 596                         /* in most cases parent directories will already exist
 597                          * because their information should have been previously
 598                          * transferred, but that may not be the case with -R */
 599                         if (fd2 == -1 && relative_paths && errno == ENOENT
 600                             && create_directory_path(fnametmp, orig_umask) == 0) {
 601                                 strlcpy(fnametmp, template, sizeof fnametmp);
 602                                 fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
 603                         }
 604                         if (fd2 == -1) {
 605                                 rsyserr(FERROR, errno, "mkstemp %s failed",
 606                                         full_fname(fnametmp));
 607                                 discard_receive_data(f_in, file->length);
 608                                 if (fd1 != -1)
 609                                         close(fd1);
 610                                 continue;
 611                         }
 612
 613                         if (partialptr)
 614                                 cleanup_set(fnametmp, partialptr, file, fd1, fd2);
 615                 }
 616
 617                 /* log the transfer */
 618                 if (log_before_transfer)
 619                         log_recv(file, &initial_stats, iflags);
 620                 else if (!am_server && verbose && do_progress)
 621                         rprintf(FINFO, "%s\n", safe_fname(fname));
 622
 623                 /* recv file data */
 624                 recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size,
 625                                        fname, fd2, file->length);
 626
 627                 if (!log_before_transfer)
 628                         log_recv(file, &initial_stats, iflags);
 629
 630                 if (fd1 != -1)
 631                         close(fd1);
 632                 if (close(fd2) < 0) {
 633                         rsyserr(FERROR, errno, "close failed on %s",
 634                                 full_fname(fnametmp));
 635                         exit_cleanup(RERR_FILEIO);
 636                 }
 637
 638                 if ((recv_ok && (!delay_updates || !partialptr)) || inplace) {
 639                         finish_transfer(fname, fnametmp, file, recv_ok, 1);
 640                         if (partialptr != fname && fnamecmp == partialptr) {
 641                                 do_unlink(partialptr);
 642                                 handle_partial_dir(partialptr, PDIR_DELETE);
 643                         }
 644                 } else if (keep_partial && partialptr
 645                     && handle_partial_dir(partialptr, PDIR_CREATE)) {
 646                         finish_transfer(partialptr, fnametmp, file, recv_ok,
 647                                         !partial_dir);
 648                         if (delay_updates && recv_ok) {
 649                                 set_delayed_bit(i);
 650                                 recv_ok = -1;
 651                         }
 652                 } else {
 653                         partialptr = NULL;
 654                         do_unlink(fnametmp);
 655                 }
 656
 657                 cleanup_disable();
 658
 659                 if (recv_ok) {
 660                         if (remove_sent_files && recv_ok > 0) {
 661                                 SIVAL(numbuf, 0, i);
 662                                 send_msg(MSG_SUCCESS, numbuf, 4);
 663                         }
 664                 } else {
 665                         int msgtype = csum_length == SUM_LENGTH || read_batch ?
 666                                 FERROR : FINFO;
 667                         if (msgtype == FERROR || verbose) {
 668                                 char *errstr, *redostr, *keptstr;
 669                                 if (!(keep_partial && partialptr) && !inplace)
 670                                         keptstr = "discarded";
 671                                 else if (partial_dir)
 672                                         keptstr = "put into partial-dir";
 673                                 else
 674                                         keptstr = "retained";
 675                                 if (msgtype == FERROR) {
 676                                         errstr = "ERROR";
 677                                         redostr = "";
 678                                 } else {
 679                                         errstr = "WARNING";
 680                                         redostr = " (will try again)";
 681                                 }
 682                                 rprintf(msgtype,
 683                                         "%s: %s failed verification -- update %s%s.\n",
 684                                         errstr, safe_fname(fname),
 685                                         keptstr, redostr);
 686                         }
 687                         if (csum_length != SUM_LENGTH) {
 688                                 SIVAL(numbuf, 0, i);
 689                                 send_msg(MSG_REDO, numbuf, 4);
 690                         }
 691                 }
 692         }
 693         make_backups = save_make_backups;
 694
 695         if (delay_updates) {
 696                 for (i = -1; (i = next_delayed_bit(i)) >= 0; ) {
 697                         struct file_struct *file = flist->files[i];
 698                         fname = local_name ? local_name : f_name(file);
 699                         partialptr = partial_dir_fname(fname);
 700                         if (partialptr) {
 701                                 if (make_backups && !make_backup(fname))
 702                                         continue;
 703                                 if (verbose > 2) {
 704                                         rprintf(FINFO, "renaming %s to %s\n",
 705                                                 safe_fname(partialptr),
 706                                                 safe_fname(fname));
 707                                 }
 708                                 if (do_rename(partialptr, fname) < 0) {
 709                                         rsyserr(FERROR, errno,
 710                                                 "rename failed for %s (from %s)",
 711                                                 full_fname(fname),
 712                                                 safe_fname(partialptr));
 713                                 } else {
 714                                         if (remove_sent_files) {
 715                                                 SIVAL(numbuf, 0, i);
 716                                                 send_msg(MSG_SUCCESS,numbuf,4);
 717                                         }
 718                                         handle_partial_dir(partialptr,
 719                                                            PDIR_DELETE);
 720                                 }
 721                         }
 722                 }
 723         }
 724
 725         if (delete_after && !local_name && flist->count > 0)
 726                 delete_files(flist);
 727
 728         if (verbose > 2)
 729                 rprintf(FINFO,"recv_files finished\n");
 730
 731         return 0;
 732 }