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) 2003-2007 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 version 2 as
  10  * published by the Free Software Foundation.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
  20  */
  21
  22 #include "rsync.h"
  23
  24 extern int verbose;
  25 extern int do_xfers;
  26 extern int am_server;
  27 extern int do_progress;
  28 extern int inc_recurse;
  29 extern int log_before_transfer;
  30 extern int stdout_format_has_i;
  31 extern int logfile_format_has_i;
  32 extern int csum_length;
  33 extern int read_batch;
  34 extern int write_batch;
  35 extern int batch_gen_fd;
  36 extern int protocol_version;
  37 extern int relative_paths;
  38 extern int preserve_hard_links;
  39 extern int preserve_perms;
  40 extern int basis_dir_cnt;
  41 extern int make_backups;
  42 extern int cleanup_got_literal;
  43 extern int remove_source_files;
  44 extern int append_mode;
  45 extern int sparse_files;
  46 extern int keep_partial;
  47 extern int checksum_seed;
  48 extern int inplace;
  49 extern int delay_updates;
  50 extern mode_t orig_umask;
  51 extern struct stats stats;
  52 extern char *tmpdir;
  53 extern char *partial_dir;
  54 extern char *basis_dir[];
  55 extern struct file_list *cur_flist, *first_flist;
  56 extern struct filter_list_struct server_filter_list;
  57
  58 static struct bitbag *delayed_bits = NULL;
  59 static int phase = 0, redoing = 0;
  60 /* We're either updating the basis file or an identical copy: */
  61 static int updating_basis;
  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 int get_tmpname(char *fnametmp, char *fname)
  85 {
  86         int maxname, added, length = 0;
  87         char *f;
  88
  89         if (tmpdir) {
  90                 /* Note: this can't overflow, so the return value is safe */
  91                 length = strlcpy(fnametmp, tmpdir, MAXPATHLEN - 2);
  92                 fnametmp[length++] = '/';
  93         }
  94
  95         if ((f = strrchr(fname, '/')) != NULL) {
  96                 ++f;
  97                 if (!tmpdir) {
  98                         length = f - fname;
  99                         /* copy up to and including the slash */
 100                         strlcpy(fnametmp, fname, length + 1);
 101                 }
 102         } else
 103                 f = fname;
 104         fnametmp[length++] = '.';
 105
 106         /* The maxname value is bufsize, and includes space for the '\0'.
 107          * (Note that NAME_MAX get -8 for the leading '.' above.) */
 108         maxname = MIN(MAXPATHLEN - 7 - length, NAME_MAX - 8);
 109
 110         if (maxname < 1) {
 111                 rprintf(FERROR, "temporary filename too long: %s\n", fname);
 112                 fnametmp[0] = '\0';
 113                 return 0;
 114         }
 115
 116         added = strlcpy(fnametmp + length, f, maxname);
 117         if (added >= maxname)
 118                 added = maxname - 1;
 119         memcpy(fnametmp + length + added, ".XXXXXX", 8);
 120
 121         return 1;
 122 }
 123
 124
 125 static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
 126                         char *fname, int fd, OFF_T total_size)
 127 {
 128         static char file_sum1[MAX_DIGEST_LEN];
 129         static char file_sum2[MAX_DIGEST_LEN];
 130         struct map_struct *mapbuf;
 131         struct sum_struct sum;
 132         int32 len, sum_len;
 133         OFF_T offset = 0;
 134         OFF_T offset2;
 135         char *data;
 136         int32 i;
 137         char *map = NULL;
 138
 139         read_sum_head(f_in, &sum);
 140
 141         if (fd_r >= 0 && size_r > 0) {
 142                 int32 read_size = MAX(sum.blength * 2, 16*1024);
 143                 mapbuf = map_file(fd_r, size_r, read_size, sum.blength);
 144                 if (verbose > 2) {
 145                         rprintf(FINFO, "recv mapped %s of size %.0f\n",
 146                                 fname_r, (double)size_r);
 147                 }
 148         } else
 149                 mapbuf = NULL;
 150
 151         sum_init(checksum_seed);
 152
 153         if (append_mode > 0) {
 154                 OFF_T j;
 155                 sum.flength = (OFF_T)sum.count * sum.blength;
 156                 if (sum.remainder)
 157                         sum.flength -= sum.blength - sum.remainder;
 158                 for (j = CHUNK_SIZE; j < sum.flength; j += CHUNK_SIZE) {
 159                         if (do_progress)
 160                                 show_progress(offset, total_size);
 161                         sum_update(map_ptr(mapbuf, offset, CHUNK_SIZE),
 162                                    CHUNK_SIZE);
 163                         offset = j;
 164                 }
 165                 if (offset < sum.flength) {
 166                         int32 len = (int32)(sum.flength - offset);
 167                         if (do_progress)
 168                                 show_progress(offset, total_size);
 169                         sum_update(map_ptr(mapbuf, offset, len), len);
 170                         offset = sum.flength;
 171                 }
 172                 if (fd != -1 && (j = do_lseek(fd, offset, SEEK_SET)) != offset) {
 173                         rsyserr(FERROR, errno, "lseek of %s returned %.0f, not %.0f",
 174                                 full_fname(fname), (double)j, (double)offset);
 175                         exit_cleanup(RERR_FILEIO);
 176                 }
 177         }
 178
 179         while ((i = recv_token(f_in, &data)) != 0) {
 180                 if (do_progress)
 181                         show_progress(offset, total_size);
 182
 183                 if (i > 0) {
 184                         if (verbose > 3) {
 185                                 rprintf(FINFO,"data recv %d at %.0f\n",
 186                                         i,(double)offset);
 187                         }
 188
 189                         stats.literal_data += i;
 190                         cleanup_got_literal = 1;
 191
 192                         sum_update(data, i);
 193
 194                         if (fd != -1 && write_file(fd,data,i) != i)
 195                                 goto report_write_error;
 196                         offset += i;
 197                         continue;
 198                 }
 199
 200                 i = -(i+1);
 201                 offset2 = i * (OFF_T)sum.blength;
 202                 len = sum.blength;
 203                 if (i == (int)sum.count-1 && sum.remainder != 0)
 204                         len = sum.remainder;
 205
 206                 stats.matched_data += len;
 207
 208                 if (verbose > 3) {
 209                         rprintf(FINFO,
 210                                 "chunk[%d] of size %ld at %.0f offset=%.0f\n",
 211                                 i, (long)len, (double)offset2, (double)offset);
 212                 }
 213
 214                 if (mapbuf) {
 215                         map = map_ptr(mapbuf,offset2,len);
 216
 217                         see_token(map, len);
 218                         sum_update(map, len);
 219                 }
 220
 221                 if (updating_basis) {
 222                         if (offset == offset2 && fd != -1) {
 223                                 OFF_T pos;
 224                                 if (flush_write_file(fd) < 0)
 225                                         goto report_write_error;
 226                                 offset += len;
 227                                 if ((pos = do_lseek(fd, len, SEEK_CUR)) != offset) {
 228                                         rsyserr(FERROR, errno,
 229                                                 "lseek of %s returned %.0f, not %.0f",
 230                                                 full_fname(fname),
 231                                                 (double)pos, (double)offset);
 232                                         exit_cleanup(RERR_FILEIO);
 233                                 }
 234                                 continue;
 235                         }
 236                 }
 237                 if (fd != -1 && map && write_file(fd, map, len) != (int)len)
 238                         goto report_write_error;
 239                 offset += len;
 240         }
 241
 242         if (flush_write_file(fd) < 0)
 243                 goto report_write_error;
 244
 245 #ifdef HAVE_FTRUNCATE
 246         if (inplace && fd != -1)
 247                 ftruncate(fd, offset);
 248 #endif
 249
 250         if (do_progress)
 251                 end_progress(total_size);
 252
 253         if (fd != -1 && offset > 0 && sparse_end(fd) != 0) {
 254             report_write_error:
 255                 rsyserr(FERROR, errno, "write failed on %s",
 256                         full_fname(fname));
 257                 exit_cleanup(RERR_FILEIO);
 258         }
 259
 260         sum_len = sum_end(file_sum1);
 261
 262         if (mapbuf)
 263                 unmap_file(mapbuf);
 264
 265         read_buf(f_in, file_sum2, sum_len);
 266         if (verbose > 2)
 267                 rprintf(FINFO,"got file_sum\n");
 268         if (fd != -1 && memcmp(file_sum1, file_sum2, sum_len) != 0)
 269                 return 0;
 270         return 1;
 271 }
 272
 273
 274 static void discard_receive_data(int f_in, OFF_T length)
 275 {
 276         receive_data(f_in, NULL, -1, 0, NULL, -1, length);
 277 }
 278
 279 static void handle_delayed_updates(char *local_name)
 280 {
 281         char *fname, *partialptr;
 282         int ndx;
 283
 284         for (ndx = -1; (ndx = bitbag_next_bit(delayed_bits, ndx)) >= 0; ) {
 285                 struct file_struct *file = cur_flist->files[ndx];
 286                 fname = local_name ? local_name : f_name(file, NULL);
 287                 if ((partialptr = partial_dir_fname(fname)) != NULL) {
 288                         if (make_backups > 0 && !make_backup(fname))
 289                                 continue;
 290                         if (verbose > 2) {
 291                                 rprintf(FINFO, "renaming %s to %s\n",
 292                                         partialptr, fname);
 293                         }
 294                         /* We don't use robust_rename() here because the
 295                          * partial-dir must be on the same drive. */
 296                         if (do_rename(partialptr, fname) < 0) {
 297                                 rsyserr(FERROR, errno,
 298                                         "rename failed for %s (from %s)",
 299                                         full_fname(fname), partialptr);
 300                         } else {
 301                                 if (remove_source_files
 302                                  || (preserve_hard_links && F_IS_HLINKED(file)))
 303                                         send_msg_int(MSG_SUCCESS, ndx);
 304                                 handle_partial_dir(partialptr, PDIR_DELETE);
 305                         }
 306                 }
 307         }
 308 }
 309
 310 static int get_next_gen_ndx(int fd, int next_gen_ndx, int desired_ndx)
 311 {
 312         while (next_gen_ndx < desired_ndx) {
 313                 if (next_gen_ndx >= 0) {
 314                         rprintf(FINFO,
 315                                 "(No batched update for%s \"%s\")\n",
 316                                 redoing ? " resend of" : "",
 317                                 f_name(cur_flist->files[next_gen_ndx], NULL));
 318                 }
 319                 next_gen_ndx = read_int(fd);
 320                 if (next_gen_ndx == -1) {
 321                         if (inc_recurse)
 322                                 next_gen_ndx = first_flist->prev->count + first_flist->prev->ndx_start;
 323                         else
 324                                 next_gen_ndx = cur_flist->count;
 325                 }
 326         }
 327         return next_gen_ndx;
 328 }
 329
 330 /**
 331  * main routine for receiver process.
 332  *
 333  * Receiver process runs on the same host as the generator process. */
 334 int recv_files(int f_in, char *local_name)
 335 {
 336         int next_gen_ndx = -1;
 337         int fd1,fd2;
 338         STRUCT_STAT st;
 339         int iflags, xlen;
 340         char *fname, fbuf[MAXPATHLEN];
 341         char xname[MAXPATHLEN];
 342         char fnametmp[MAXPATHLEN];
 343         char *fnamecmp, *partialptr;
 344         char fnamecmpbuf[MAXPATHLEN];
 345         uchar fnamecmp_type;
 346         struct file_struct *file;
 347         struct stats initial_stats;
 348         int itemizing = am_server ? logfile_format_has_i : stdout_format_has_i;
 349         enum logcode log_code = log_before_transfer ? FLOG : FINFO;
 350         int max_phase = protocol_version >= 29 ? 2 : 1;
 351         int dflt_perms = (ACCESSPERMS & ~orig_umask);
 352 #ifdef SUPPORT_ACLS
 353         const char *parent_dirname = "";
 354 #endif
 355         int ndx, recv_ok;
 356
 357         if (verbose > 2)
 358                 rprintf(FINFO, "recv_files(%d) starting\n", cur_flist->count);
 359
 360         if (delay_updates)
 361                 delayed_bits = bitbag_create(cur_flist->count + 1);
 362
 363         updating_basis = inplace;
 364
 365         while (1) {
 366                 cleanup_disable();
 367
 368                 /* This call also sets cur_flist. */
 369                 ndx = read_ndx_and_attrs(f_in, -1, &iflags,
 370                                          &fnamecmp_type, xname, &xlen);
 371                 if (ndx == NDX_DONE) {
 372                         if (inc_recurse && first_flist) {
 373                                 flist_free(first_flist);
 374                                 if (first_flist)
 375                                         continue;
 376                         }
 377                         if (read_batch && cur_flist) {
 378                                 int high = inc_recurse
 379                                     ? first_flist->prev->count + first_flist->prev->ndx_start
 380                                     : cur_flist->count;
 381                                 get_next_gen_ndx(batch_gen_fd, next_gen_ndx, high);
 382                                 next_gen_ndx = -1;
 383                         }
 384                         if (++phase > max_phase)
 385                                 break;
 386                         if (verbose > 2)
 387                                 rprintf(FINFO, "recv_files phase=%d\n", phase);
 388                         if (phase == 2 && delay_updates)
 389                                 handle_delayed_updates(local_name);
 390                         send_msg(MSG_DONE, "", 0);
 391                         continue;
 392                 }
 393
 394                 file = cur_flist->files[ndx - cur_flist->ndx_start];
 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                 if (file->flags & FLAG_FILE_SENT) {
 412                         if (csum_length == SHORT_SUM_LENGTH) {
 413                                 if (keep_partial && !partial_dir)
 414                                         make_backups = -make_backups; /* prevents double backup */
 415                                 append_mode = -append_mode;
 416                                 sparse_files = -sparse_files;
 417                                 csum_length = SUM_LENGTH;
 418                                 redoing = 1;
 419                         }
 420                 } else {
 421                         if (csum_length != SHORT_SUM_LENGTH) {
 422                                 if (keep_partial && !partial_dir)
 423                                         make_backups = -make_backups;
 424                                 append_mode = -append_mode;
 425                                 sparse_files = -sparse_files;
 426                                 csum_length = SHORT_SUM_LENGTH;
 427                                 redoing = 0;
 428                         }
 429                 }
 430
 431                 stats.current_file_index = ndx;
 432                 stats.num_transferred_files++;
 433                 stats.total_transferred_size += F_LENGTH(file);
 434                 cleanup_got_literal = 0;
 435
 436                 if (server_filter_list.head
 437                     && check_filter(&server_filter_list, fname, 0) < 0) {
 438                         rprintf(FERROR, "attempt to hack rsync failed.\n");
 439                         exit_cleanup(RERR_PROTOCOL);
 440                 }
 441
 442                 if (!do_xfers) { /* log the transfer */
 443                         log_item(FCLIENT, file, &stats, iflags, NULL);
 444                         if (read_batch)
 445                                 discard_receive_data(f_in, F_LENGTH(file));
 446                         continue;
 447                 }
 448                 if (write_batch < 0) {
 449                         log_item(FINFO, file, &stats, iflags, NULL);
 450                         if (!am_server)
 451                                 discard_receive_data(f_in, F_LENGTH(file));
 452                         continue;
 453                 }
 454
 455                 if (read_batch) {
 456                         next_gen_ndx = get_next_gen_ndx(batch_gen_fd, next_gen_ndx, ndx);
 457                         if (ndx < next_gen_ndx) {
 458                                 rprintf(FINFO,
 459                                         "(Skipping batched update for \"%s\")\n",
 460                                         fname);
 461                                 discard_receive_data(f_in, F_LENGTH(file));
 462                                 continue;
 463                         }
 464                         next_gen_ndx = -1;
 465                 }
 466
 467                 partialptr = partial_dir ? partial_dir_fname(fname) : fname;
 468
 469                 if (protocol_version >= 29) {
 470                         switch (fnamecmp_type) {
 471                         case FNAMECMP_FNAME:
 472                                 fnamecmp = fname;
 473                                 break;
 474                         case FNAMECMP_PARTIAL_DIR:
 475                                 fnamecmp = partialptr;
 476                                 break;
 477                         case FNAMECMP_BACKUP:
 478                                 fnamecmp = get_backup_name(fname);
 479                                 break;
 480                         case FNAMECMP_FUZZY:
 481                                 updating_basis = 0;
 482                                 if (file->dirname) {
 483                                         pathjoin(fnamecmpbuf, MAXPATHLEN,
 484                                                  file->dirname, xname);
 485                                         fnamecmp = fnamecmpbuf;
 486                                 } else
 487                                         fnamecmp = xname;
 488                                 break;
 489                         default:
 490                                 updating_basis = 0;
 491                                 if (fnamecmp_type >= basis_dir_cnt) {
 492                                         rprintf(FERROR,
 493                                                 "invalid basis_dir index: %d.\n",
 494                                                 fnamecmp_type);
 495                                         exit_cleanup(RERR_PROTOCOL);
 496                                 }
 497                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
 498                                          basis_dir[fnamecmp_type], fname);
 499                                 fnamecmp = fnamecmpbuf;
 500                                 break;
 501                         }
 502                         if (!fnamecmp || (server_filter_list.head
 503                           && check_filter(&server_filter_list, fname, 0) < 0))
 504                                 fnamecmp = fname;
 505                 } else {
 506                         /* Reminder: --inplace && --partial-dir are never
 507                          * enabled at the same time. */
 508                         if (inplace && make_backups > 0) {
 509                                 if (!(fnamecmp = get_backup_name(fname)))
 510                                         fnamecmp = fname;
 511                         } else if (partial_dir && partialptr)
 512                                 fnamecmp = partialptr;
 513                         else
 514                                 fnamecmp = fname;
 515                 }
 516
 517                 initial_stats = stats;
 518
 519                 /* open the file */
 520                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
 521
 522                 if (fd1 == -1 && protocol_version < 29) {
 523                         if (fnamecmp != fname) {
 524                                 fnamecmp = fname;
 525                                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
 526                         }
 527
 528                         if (fd1 == -1 && basis_dir[0]) {
 529                                 /* pre-29 allowed only one alternate basis */
 530                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
 531                                          basis_dir[0], fname);
 532                                 fnamecmp = fnamecmpbuf;
 533                                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
 534                         }
 535                 }
 536
 537                 if (fd1 == -1) {
 538                         st.st_mode = 0;
 539                         st.st_size = 0;
 540                 } else if (do_fstat(fd1,&st) != 0) {
 541                         rsyserr(FERROR, errno, "fstat %s failed",
 542                                 full_fname(fnamecmp));
 543                         discard_receive_data(f_in, F_LENGTH(file));
 544                         close(fd1);
 545                         continue;
 546                 }
 547
 548                 if (fd1 != -1 && S_ISDIR(st.st_mode) && fnamecmp == fname) {
 549                         /* this special handling for directories
 550                          * wouldn't be necessary if robust_rename()
 551                          * and the underlying robust_unlink could cope
 552                          * with directories
 553                          */
 554                         rprintf(FERROR,"recv_files: %s is a directory\n",
 555                                 full_fname(fnamecmp));
 556                         discard_receive_data(f_in, F_LENGTH(file));
 557                         close(fd1);
 558                         continue;
 559                 }
 560
 561                 if (fd1 != -1 && !S_ISREG(st.st_mode)) {
 562                         close(fd1);
 563                         fd1 = -1;
 564                 }
 565
 566                 /* If we're not preserving permissions, change the file-list's
 567                  * mode based on the local permissions and some heuristics. */
 568                 if (!preserve_perms) {
 569                         int exists = fd1 != -1;
 570 #ifdef SUPPORT_ACLS
 571                         const char *dn = file->dirname ? file->dirname : ".";
 572                         if (parent_dirname != dn
 573                          && strcmp(parent_dirname, dn) != 0) {
 574                                 dflt_perms = default_perms_for_dir(dn);
 575                                 parent_dirname = dn;
 576                         }
 577 #endif
 578                         file->mode = dest_mode(file->mode, st.st_mode,
 579                                                dflt_perms, exists);
 580                 }
 581
 582                 /* We now check to see if we are writing the file "inplace" */
 583                 if (inplace)  {
 584                         fd2 = do_open(fname, O_WRONLY|O_CREAT, 0600);
 585                         if (fd2 == -1) {
 586                                 rsyserr(FERROR, errno, "open %s failed",
 587                                         full_fname(fname));
 588                                 discard_receive_data(f_in, F_LENGTH(file));
 589                                 if (fd1 != -1)
 590                                         close(fd1);
 591                                 continue;
 592                         }
 593                 } else {
 594                         if (!get_tmpname(fnametmp,fname)) {
 595                                 discard_receive_data(f_in, F_LENGTH(file));
 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) == 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, F_LENGTH(file));
 622                                 if (fd1 != -1)
 623                                         close(fd1);
 624                                 continue;
 625                         }
 626
 627                         cleanup_set(fnametmp, partialptr, file, fd1, fd2);
 628                 }
 629
 630                 /* log the transfer */
 631                 if (log_before_transfer)
 632                         log_item(FCLIENT, file, &initial_stats, iflags, NULL);
 633                 else if (!am_server && verbose && do_progress)
 634                         rprintf(FINFO, "%s\n", fname);
 635
 636                 /* recv file data */
 637                 recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size,
 638                                        fname, fd2, F_LENGTH(file));
 639
 640                 log_item(log_code, file, &initial_stats, iflags, NULL);
 641
 642                 if (fd1 != -1)
 643                         close(fd1);
 644                 if (close(fd2) < 0) {
 645                         rsyserr(FERROR, errno, "close failed on %s",
 646                                 full_fname(fnametmp));
 647                         exit_cleanup(RERR_FILEIO);
 648                 }
 649
 650                 if ((recv_ok && (!delay_updates || !partialptr)) || inplace) {
 651                         char *temp_copy_name;
 652                         if (partialptr == fname)
 653                                 partialptr = temp_copy_name = NULL;
 654                         else if (*partial_dir == '/')
 655                                 temp_copy_name = NULL;
 656                         else
 657                                 temp_copy_name = partialptr;
 658                         finish_transfer(fname, fnametmp, temp_copy_name,
 659                                         file, recv_ok, 1);
 660                         if (fnamecmp == partialptr) {
 661                                 do_unlink(partialptr);
 662                                 handle_partial_dir(partialptr, PDIR_DELETE);
 663                         }
 664                 } else if (keep_partial && partialptr
 665                     && handle_partial_dir(partialptr, PDIR_CREATE)) {
 666                         finish_transfer(partialptr, fnametmp, NULL,
 667                                         file, recv_ok, !partial_dir);
 668                         if (delay_updates && recv_ok) {
 669                                 bitbag_set_bit(delayed_bits, ndx);
 670                                 recv_ok = -1;
 671                         }
 672                 } else {
 673                         partialptr = NULL;
 674                         do_unlink(fnametmp);
 675                 }
 676
 677                 cleanup_disable();
 678
 679                 if (recv_ok > 0) {
 680                         if (remove_source_files || inc_recurse
 681                          || (preserve_hard_links && F_IS_HLINKED(file)))
 682                                 send_msg_int(MSG_SUCCESS, ndx);
 683                 } else if (!recv_ok) {
 684                         enum logcode msgtype = redoing || read_batch ? FERROR : FINFO;
 685                         if (msgtype == FERROR || verbose) {
 686                                 char *errstr, *redostr, *keptstr;
 687                                 if (!(keep_partial && partialptr) && !inplace)
 688                                         keptstr = "discarded";
 689                                 else if (partial_dir)
 690                                         keptstr = "put into partial-dir";
 691                                 else
 692                                         keptstr = "retained";
 693                                 if (msgtype == FERROR) {
 694                                         errstr = "ERROR";
 695                                         redostr = "";
 696                                 } else {
 697                                         errstr = "WARNING";
 698                                         redostr = " (will try again)";
 699                                 }
 700                                 rprintf(msgtype,
 701                                         "%s: %s failed verification -- update %s%s.\n",
 702                                         errstr, fname, keptstr, redostr);
 703                         }
 704                         if (!redoing) {
 705                                 send_msg_int(MSG_REDO, ndx);
 706                                 file->flags |= FLAG_FILE_SENT;
 707                         } else if (inc_recurse)
 708                                 send_msg_int(MSG_NO_SEND, ndx);
 709                 }
 710         }
 711         if (make_backups < 0)
 712                 make_backups = -make_backups;
 713
 714         if (phase == 2 && delay_updates) /* for protocol_version < 29 */
 715                 handle_delayed_updates(local_name);
 716
 717         if (verbose > 2)
 718                 rprintf(FINFO,"recv_files finished\n");
 719
 720         return 0;
 721 }