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