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) 2003-2008 Wayne Davison
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 3 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License along
  19  * with this program; if not, visit the http://fsf.org website.
  20  */
  21
  22 #include "rsync.h"
  23
  24 extern int verbose;
  25 extern int dry_run;
  26 extern int do_xfers;
  27 extern int am_server;
  28 extern int do_progress;
  29 extern int inc_recurse;
  30 extern int log_before_transfer;
  31 extern int stdout_format_has_i;
  32 extern int logfile_format_has_i;
  33 extern int csum_length;
  34 extern int read_batch;
  35 extern int write_batch;
  36 extern int batch_gen_fd;
  37 extern int protocol_version;
  38 extern int relative_paths;
  39 extern int preserve_hard_links;
  40 extern int preserve_perms;
  41 extern int preserve_xattrs;
  42 extern int basis_dir_cnt;
  43 extern int make_backups;
  44 extern int cleanup_got_literal;
  45 extern int remove_source_files;
  46 extern int append_mode;
  47 extern int sparse_files;
  48 extern int keep_partial;
  49 extern int checksum_seed;
  50 extern int inplace;
  51 extern int delay_updates;
  52 extern mode_t orig_umask;
  53 extern struct stats stats;
  54 extern char *tmpdir;
  55 extern char *partial_dir;
  56 extern char *basis_dir[];
  57 extern struct file_list *cur_flist, *first_flist, *dir_flist;
  58 extern struct filter_list_struct daemon_filter_list;
  59
  60 static struct bitbag *delayed_bits = NULL;
  61 static int phase = 0, redoing = 0;
  62 /* We're either updating the basis file or an identical copy: */
  63 static int updating_basis_or_equiv;
  64
  65 /*
  66  * get_tmpname() - create a tmp filename for a given filename
  67  *
  68  *   If a tmpdir is defined, use that as the directory to
  69  *   put it in.  Otherwise, the tmp filename is in the same
  70  *   directory as the given name.  Note that there may be no
  71  *   directory at all in the given name!
  72  *
  73  *   The tmp filename is basically the given filename with a
  74  *   dot prepended, and .XXXXXX appended (for mkstemp() to
  75  *   put its unique gunk in).  Take care to not exceed
  76  *   either the MAXPATHLEN or NAME_MAX, esp. the last, as
  77  *   the basename basically becomes 8 chars longer. In that
  78  *   case, the original name is shortened sufficiently to
  79  *   make it all fit.
  80  *
  81  *   Of course, there's no real reason for the tmp name to
  82  *   look like the original, except to satisfy us humans.
  83  *   As long as it's unique, rsync will work.
  84  */
  85
  86 int get_tmpname(char *fnametmp, const char *fname)
  87 {
  88         int maxname, added, length = 0;
  89         const char *f;
  90
  91         if (tmpdir) {
  92                 /* Note: this can't overflow, so the return value is safe */
  93                 length = strlcpy(fnametmp, tmpdir, MAXPATHLEN - 2);
  94                 fnametmp[length++] = '/';
  95         }
  96
  97         if ((f = strrchr(fname, '/')) != NULL) {
  98                 ++f;
  99                 if (!tmpdir) {
 100                         length = f - fname;
 101                         /* copy up to and including the slash */
 102                         strlcpy(fnametmp, fname, length + 1);
 103                 }
 104         } else
 105                 f = fname;
 106         fnametmp[length++] = '.';
 107
 108         /* The maxname value is bufsize, and includes space for the '\0'.
 109          * (Note that NAME_MAX get -8 for the leading '.' above.) */
 110         maxname = MIN(MAXPATHLEN - 7 - length, NAME_MAX - 8);
 111
 112         if (maxname < 1) {
 113                 rprintf(FERROR_XFER, "temporary filename too long: %s\n", fname);
 114                 fnametmp[0] = '\0';
 115                 return 0;
 116         }
 117
 118         added = strlcpy(fnametmp + length, f, maxname);
 119         if (added >= maxname)
 120                 added = maxname - 1;
 121         memcpy(fnametmp + length + added, ".XXXXXX", 8);
 122
 123         return 1;
 124 }
 125
 126 /* Opens a temporary file for writing.
 127  * Success: Writes name into fnametmp, returns fd.
 128  * Failure: Clobbers fnametmp, returns -1.
 129  * Calling cleanup_set() is the caller's job. */
 130 int open_tmpfile(char *fnametmp, const char *fname, struct file_struct *file)
 131 {
 132         int fd;
 133
 134         if (!get_tmpname(fnametmp, fname))
 135                 return -1;
 136
 137         /* We initially set the perms without the setuid/setgid bits or group
 138          * access to ensure that there is no race condition.  They will be
 139          * correctly updated after the right owner and group info is set.
 140          * (Thanks to snabb@epipe.fi for pointing this out.) */
 141         fd = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
 142
 143 #if 0
 144         /* In most cases parent directories will already exist because their
 145          * information should have been previously transferred, but that may
 146          * not be the case with -R */
 147         if (fd == -1 && relative_paths && errno == ENOENT
 148             && create_directory_path(fnametmp) == 0) {
 149                 /* Get back to name with XXXXXX in it. */
 150                 get_tmpname(fnametmp, fname);
 151                 fd = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
 152         }
 153 #endif
 154
 155         if (fd == -1) {
 156                 rsyserr(FERROR_XFER, errno, "mkstemp %s failed",
 157                         full_fname(fnametmp));
 158                 return -1;
 159         }
 160
 161         return fd;
 162 }
 163
 164 static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
 165                         const char *fname, int fd, OFF_T total_size)
 166 {
 167         static char file_sum1[MAX_DIGEST_LEN];
 168         static char file_sum2[MAX_DIGEST_LEN];
 169         struct map_struct *mapbuf;
 170         struct sum_struct sum;
 171         int32 len, sum_len;
 172         OFF_T offset = 0;
 173         OFF_T offset2;
 174         char *data;
 175         int32 i;
 176         char *map = NULL;
 177
 178         read_sum_head(f_in, &sum);
 179
 180         if (fd_r >= 0 && size_r > 0) {
 181                 int32 read_size = MAX(sum.blength * 2, 16*1024);
 182                 mapbuf = map_file(fd_r, size_r, read_size, sum.blength);
 183                 if (verbose > 2) {
 184                         rprintf(FINFO, "recv mapped %s of size %.0f\n",
 185                                 fname_r, (double)size_r);
 186                 }
 187         } else
 188                 mapbuf = NULL;
 189
 190         sum_init(checksum_seed);
 191
 192         if (append_mode > 0) {
 193                 OFF_T j;
 194                 sum.flength = (OFF_T)sum.count * sum.blength;
 195                 if (sum.remainder)
 196                         sum.flength -= sum.blength - sum.remainder;
 197                 if (append_mode == 2) {
 198                         for (j = CHUNK_SIZE; j < sum.flength; j += CHUNK_SIZE) {
 199                                 if (do_progress)
 200                                         show_progress(offset, total_size);
 201                                 sum_update(map_ptr(mapbuf, offset, CHUNK_SIZE),
 202                                            CHUNK_SIZE);
 203                                 offset = j;
 204                         }
 205                         if (offset < sum.flength) {
 206                                 int32 len = (int32)(sum.flength - offset);
 207                                 if (do_progress)
 208                                         show_progress(offset, total_size);
 209                                 sum_update(map_ptr(mapbuf, offset, len), len);
 210                         }
 211                 }
 212                 offset = sum.flength;
 213                 if (fd != -1 && (j = do_lseek(fd, offset, SEEK_SET)) != offset) {
 214                         rsyserr(FERROR_XFER, errno, "lseek of %s returned %.0f, not %.0f",
 215                                 full_fname(fname), (double)j, (double)offset);
 216                         exit_cleanup(RERR_FILEIO);
 217                 }
 218         }
 219
 220         while ((i = recv_token(f_in, &data)) != 0) {
 221                 if (do_progress)
 222                         show_progress(offset, total_size);
 223
 224                 if (i > 0) {
 225                         if (verbose > 3) {
 226                                 rprintf(FINFO,"data recv %d at %.0f\n",
 227                                         i,(double)offset);
 228                         }
 229
 230                         stats.literal_data += i;
 231                         cleanup_got_literal = 1;
 232
 233                         sum_update(data, i);
 234
 235                         if (fd != -1 && write_file(fd,data,i) != i)
 236                                 goto report_write_error;
 237                         offset += i;
 238                         continue;
 239                 }
 240
 241                 i = -(i+1);
 242                 offset2 = i * (OFF_T)sum.blength;
 243                 len = sum.blength;
 244                 if (i == (int)sum.count-1 && sum.remainder != 0)
 245                         len = sum.remainder;
 246
 247                 stats.matched_data += len;
 248
 249                 if (verbose > 3) {
 250                         rprintf(FINFO,
 251                                 "chunk[%d] of size %ld at %.0f offset=%.0f\n",
 252                                 i, (long)len, (double)offset2, (double)offset);
 253                 }
 254
 255                 if (mapbuf) {
 256                         map = map_ptr(mapbuf,offset2,len);
 257
 258                         see_token(map, len);
 259                         sum_update(map, len);
 260                 }
 261
 262                 if (updating_basis_or_equiv) {
 263                         if (offset == offset2 && fd != -1) {
 264                                 OFF_T pos;
 265                                 if (flush_write_file(fd) < 0)
 266                                         goto report_write_error;
 267                                 offset += len;
 268                                 if ((pos = do_lseek(fd, len, SEEK_CUR)) != offset) {
 269                                         rsyserr(FERROR_XFER, errno,
 270                                                 "lseek of %s returned %.0f, not %.0f",
 271                                                 full_fname(fname),
 272                                                 (double)pos, (double)offset);
 273                                         exit_cleanup(RERR_FILEIO);
 274                                 }
 275                                 continue;
 276                         }
 277                 }
 278                 if (fd != -1 && map && write_file(fd, map, len) != (int)len)
 279                         goto report_write_error;
 280                 offset += len;
 281         }
 282
 283         if (flush_write_file(fd) < 0)
 284                 goto report_write_error;
 285
 286 #ifdef HAVE_FTRUNCATE
 287         if (inplace && fd != -1)
 288                 ftruncate(fd, offset);
 289 #endif
 290
 291         if (do_progress)
 292                 end_progress(total_size);
 293
 294         if (fd != -1 && offset > 0 && sparse_end(fd) != 0) {
 295             report_write_error:
 296                 rsyserr(FERROR_XFER, errno, "write failed on %s",
 297                         full_fname(fname));
 298                 exit_cleanup(RERR_FILEIO);
 299         }
 300
 301         sum_len = sum_end(file_sum1);
 302
 303         if (mapbuf)
 304                 unmap_file(mapbuf);
 305
 306         read_buf(f_in, file_sum2, sum_len);
 307         if (verbose > 2)
 308                 rprintf(FINFO,"got file_sum\n");
 309         if (fd != -1 && memcmp(file_sum1, file_sum2, sum_len) != 0)
 310                 return 0;
 311         return 1;
 312 }
 313
 314
 315 static void discard_receive_data(int f_in, OFF_T length)
 316 {
 317         receive_data(f_in, NULL, -1, 0, NULL, -1, length);
 318 }
 319
 320 static void handle_delayed_updates(char *local_name)
 321 {
 322         char *fname, *partialptr;
 323         int ndx;
 324
 325         for (ndx = -1; (ndx = bitbag_next_bit(delayed_bits, ndx)) >= 0; ) {
 326                 struct file_struct *file = cur_flist->files[ndx];
 327                 fname = local_name ? local_name : f_name(file, NULL);
 328                 if ((partialptr = partial_dir_fname(fname)) != NULL) {
 329                         if (make_backups > 0 && !make_backup(fname))
 330                                 continue;
 331                         if (verbose > 2) {
 332                                 rprintf(FINFO, "renaming %s to %s\n",
 333                                         partialptr, fname);
 334                         }
 335                         /* We don't use robust_rename() here because the
 336                          * partial-dir must be on the same drive. */
 337                         if (do_rename(partialptr, fname) < 0) {
 338                                 rsyserr(FERROR_XFER, errno,
 339                                         "rename failed for %s (from %s)",
 340                                         full_fname(fname), partialptr);
 341                         } else {
 342                                 if (remove_source_files
 343                                  || (preserve_hard_links && F_IS_HLINKED(file)))
 344                                         send_msg_int(MSG_SUCCESS, ndx);
 345                                 handle_partial_dir(partialptr, PDIR_DELETE);
 346                         }
 347                 }
 348         }
 349 }
 350
 351 static int get_next_gen_ndx(int fd, int next_gen_ndx, int desired_ndx)
 352 {
 353         while (next_gen_ndx < desired_ndx) {
 354                 if (next_gen_ndx >= 0) {
 355                         struct file_struct *file = cur_flist->files[next_gen_ndx];
 356                         rprintf(FERROR_XFER,
 357                                 "(No batched update for%s \"%s\")\n",
 358                                 file->flags & FLAG_FILE_SENT ? " resend of" : "",
 359                                 f_name(file, NULL));
 360                 }
 361                 next_gen_ndx = read_int(fd);
 362                 if (next_gen_ndx == -1) {
 363                         if (inc_recurse)
 364                                 next_gen_ndx = first_flist->prev->used + first_flist->prev->ndx_start;
 365                         else
 366                                 next_gen_ndx = cur_flist->used;
 367                 }
 368         }
 369         return next_gen_ndx;
 370 }
 371
 372 /**
 373  * main routine for receiver process.
 374  *
 375  * Receiver process runs on the same host as the generator process. */
 376 int recv_files(int f_in, char *local_name)
 377 {
 378         int next_gen_ndx = -1;
 379         int fd1,fd2;
 380         STRUCT_STAT st;
 381         int iflags, xlen;
 382         char *fname, fbuf[MAXPATHLEN];
 383         char xname[MAXPATHLEN];
 384         char fnametmp[MAXPATHLEN];
 385         char *fnamecmp, *partialptr;
 386         char fnamecmpbuf[MAXPATHLEN];
 387         uchar fnamecmp_type;
 388         struct file_struct *file;
 389         struct stats initial_stats;
 390         int itemizing = am_server ? logfile_format_has_i : stdout_format_has_i;
 391         enum logcode log_code = log_before_transfer ? FLOG : FINFO;
 392         int max_phase = protocol_version >= 29 ? 2 : 1;
 393         int dflt_perms = (ACCESSPERMS & ~orig_umask);
 394 #ifdef SUPPORT_ACLS
 395         const char *parent_dirname = "";
 396 #endif
 397         int ndx, recv_ok;
 398
 399         if (verbose > 2)
 400                 rprintf(FINFO, "recv_files(%d) starting\n", cur_flist->used);
 401
 402         if (delay_updates)
 403                 delayed_bits = bitbag_create(cur_flist->used + 1);
 404
 405         while (1) {
 406                 cleanup_disable();
 407
 408                 /* This call also sets cur_flist. */
 409                 ndx = read_ndx_and_attrs(f_in, &iflags, &fnamecmp_type,
 410                                          xname, &xlen);
 411                 if (ndx == NDX_DONE) {
 412                         if (inc_recurse && first_flist) {
 413                                 flist_free(first_flist);
 414                                 if (first_flist)
 415                                         continue;
 416                         }
 417                         if (read_batch && cur_flist) {
 418                                 int high = inc_recurse
 419                                     ? first_flist->prev->used + first_flist->prev->ndx_start
 420                                     : cur_flist->used;
 421                                 get_next_gen_ndx(batch_gen_fd, next_gen_ndx, high);
 422                                 next_gen_ndx = -1;
 423                         }
 424                         if (++phase > max_phase)
 425                                 break;
 426                         if (verbose > 2)
 427                                 rprintf(FINFO, "recv_files phase=%d\n", phase);
 428                         if (phase == 2 && delay_updates)
 429                                 handle_delayed_updates(local_name);
 430                         send_msg(MSG_DONE, "", 0, 0);
 431                         continue;
 432                 }
 433
 434                 if (ndx - cur_flist->ndx_start >= 0)
 435                         file = cur_flist->files[ndx - cur_flist->ndx_start];
 436                 else
 437                         file = dir_flist->files[cur_flist->parent_ndx];
 438                 fname = local_name ? local_name : f_name(file, fbuf);
 439
 440                 if (verbose > 2)
 441                         rprintf(FINFO, "recv_files(%s)\n", fname);
 442
 443 #ifdef SUPPORT_XATTRS
 444                 if (iflags & ITEM_REPORT_XATTR && !dry_run)
 445                         recv_xattr_request(file, f_in);
 446 #endif
 447
 448                 if (!(iflags & ITEM_TRANSFER)) {
 449                         maybe_log_item(file, iflags, itemizing, xname);
 450 #ifdef SUPPORT_XATTRS
 451                         if (preserve_xattrs && iflags & ITEM_REPORT_XATTR && !dry_run)
 452                                 set_file_attrs(fname, file, NULL, fname, 0);
 453 #endif
 454                         continue;
 455                 }
 456                 if (phase == 2) {
 457                         rprintf(FERROR,
 458                                 "got transfer request in phase 2 [%s]\n",
 459                                 who_am_i());
 460                         exit_cleanup(RERR_PROTOCOL);
 461                 }
 462
 463                 if (file->flags & FLAG_FILE_SENT) {
 464                         if (csum_length == SHORT_SUM_LENGTH) {
 465                                 if (keep_partial && !partial_dir)
 466                                         make_backups = -make_backups; /* prevents double backup */
 467                                 if (append_mode)
 468                                         sparse_files = -sparse_files;
 469                                 append_mode = -append_mode;
 470                                 csum_length = SUM_LENGTH;
 471                                 redoing = 1;
 472                         }
 473                 } else {
 474                         if (csum_length != SHORT_SUM_LENGTH) {
 475                                 if (keep_partial && !partial_dir)
 476                                         make_backups = -make_backups;
 477                                 if (append_mode)
 478                                         sparse_files = -sparse_files;
 479                                 append_mode = -append_mode;
 480                                 csum_length = SHORT_SUM_LENGTH;
 481                                 redoing = 0;
 482                         }
 483                 }
 484
 485                 if (!am_server && do_progress)
 486                         set_current_file_index(file, ndx);
 487                 stats.num_transferred_files++;
 488                 stats.total_transferred_size += F_LENGTH(file);
 489
 490                 cleanup_got_literal = 0;
 491
 492                 if (daemon_filter_list.head
 493                     && check_filter(&daemon_filter_list, fname, 0) < 0) {
 494                         rprintf(FERROR, "attempt to hack rsync failed.\n");
 495                         exit_cleanup(RERR_PROTOCOL);
 496                 }
 497
 498                 if (!do_xfers) { /* log the transfer */
 499                         log_item(FCLIENT, file, &stats, iflags, NULL);
 500                         if (read_batch)
 501                                 discard_receive_data(f_in, F_LENGTH(file));
 502                         continue;
 503                 }
 504                 if (write_batch < 0) {
 505                         log_item(FCLIENT, file, &stats, iflags, NULL);
 506                         if (!am_server)
 507                                 discard_receive_data(f_in, F_LENGTH(file));
 508                         continue;
 509                 }
 510
 511                 if (read_batch) {
 512                         next_gen_ndx = get_next_gen_ndx(batch_gen_fd, next_gen_ndx, ndx);
 513                         if (ndx < next_gen_ndx) {
 514                                 rprintf(FINFO,
 515                                         "(Skipping batched update for \"%s\")\n",
 516                                         fname);
 517                                 discard_receive_data(f_in, F_LENGTH(file));
 518                                 if (inc_recurse)
 519                                         send_msg_int(MSG_NO_SEND, ndx);
 520                                 continue;
 521                         }
 522                         next_gen_ndx = -1;
 523                 }
 524
 525                 partialptr = partial_dir ? partial_dir_fname(fname) : fname;
 526
 527                 if (protocol_version >= 29) {
 528                         switch (fnamecmp_type) {
 529                         case FNAMECMP_FNAME:
 530                                 fnamecmp = fname;
 531                                 break;
 532                         case FNAMECMP_PARTIAL_DIR:
 533                                 fnamecmp = partialptr;
 534                                 break;
 535                         case FNAMECMP_BACKUP:
 536                                 fnamecmp = get_backup_name(fname);
 537                                 break;
 538                         case FNAMECMP_FUZZY:
 539                                 if (file->dirname) {
 540                                         pathjoin(fnamecmpbuf, MAXPATHLEN,
 541                                                  file->dirname, xname);
 542                                         fnamecmp = fnamecmpbuf;
 543                                 } else
 544                                         fnamecmp = xname;
 545                                 break;
 546                         default:
 547                                 if (fnamecmp_type >= basis_dir_cnt) {
 548                                         rprintf(FERROR,
 549                                                 "invalid basis_dir index: %d.\n",
 550                                                 fnamecmp_type);
 551                                         exit_cleanup(RERR_PROTOCOL);
 552                                 }
 553                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
 554                                          basis_dir[fnamecmp_type], fname);
 555                                 fnamecmp = fnamecmpbuf;
 556                                 break;
 557                         }
 558                         if (!fnamecmp || (daemon_filter_list.head
 559                           && check_filter(&daemon_filter_list, fname, 0) < 0)) {
 560                                 fnamecmp = fname;
 561                                 fnamecmp_type = FNAMECMP_FNAME;
 562                         }
 563                 } else {
 564                         /* Reminder: --inplace && --partial-dir are never
 565                          * enabled at the same time. */
 566                         if (inplace && make_backups > 0) {
 567                                 if (!(fnamecmp = get_backup_name(fname)))
 568                                         fnamecmp = fname;
 569                                 else
 570                                         fnamecmp_type = FNAMECMP_BACKUP;
 571                         } else if (partial_dir && partialptr)
 572                                 fnamecmp = partialptr;
 573                         else
 574                                 fnamecmp = fname;
 575                 }
 576
 577                 initial_stats = stats;
 578
 579                 /* open the file */
 580                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
 581
 582                 if (fd1 == -1 && protocol_version < 29) {
 583                         if (fnamecmp != fname) {
 584                                 fnamecmp = fname;
 585                                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
 586                         }
 587
 588                         if (fd1 == -1 && basis_dir[0]) {
 589                                 /* pre-29 allowed only one alternate basis */
 590                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
 591                                          basis_dir[0], fname);
 592                                 fnamecmp = fnamecmpbuf;
 593                                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
 594                         }
 595                 }
 596
 597                 updating_basis_or_equiv = inplace
 598                     && (fnamecmp == fname || fnamecmp_type == FNAMECMP_BACKUP);
 599
 600                 if (fd1 == -1) {
 601                         st.st_mode = 0;
 602                         st.st_size = 0;
 603                 } else if (do_fstat(fd1,&st) != 0) {
 604                         rsyserr(FERROR_XFER, errno, "fstat %s failed",
 605                                 full_fname(fnamecmp));
 606                         discard_receive_data(f_in, F_LENGTH(file));
 607                         close(fd1);
 608                         if (inc_recurse)
 609                                 send_msg_int(MSG_NO_SEND, ndx);
 610                         continue;
 611                 }
 612
 613                 if (fd1 != -1 && S_ISDIR(st.st_mode) && fnamecmp == fname) {
 614                         /* this special handling for directories
 615                          * wouldn't be necessary if robust_rename()
 616                          * and the underlying robust_unlink could cope
 617                          * with directories
 618                          */
 619                         rprintf(FERROR_XFER, "recv_files: %s is a directory\n",
 620                                 full_fname(fnamecmp));
 621                         discard_receive_data(f_in, F_LENGTH(file));
 622                         close(fd1);
 623                         if (inc_recurse)
 624                                 send_msg_int(MSG_NO_SEND, ndx);
 625                         continue;
 626                 }
 627
 628                 if (fd1 != -1 && !S_ISREG(st.st_mode)) {
 629                         close(fd1);
 630                         fd1 = -1;
 631                 }
 632
 633                 /* If we're not preserving permissions, change the file-list's
 634                  * mode based on the local permissions and some heuristics. */
 635                 if (!preserve_perms) {
 636                         int exists = fd1 != -1;
 637 #ifdef SUPPORT_ACLS
 638                         const char *dn = file->dirname ? file->dirname : ".";
 639                         if (parent_dirname != dn
 640                          && strcmp(parent_dirname, dn) != 0) {
 641                                 dflt_perms = default_perms_for_dir(dn);
 642                                 parent_dirname = dn;
 643                         }
 644 #endif
 645                         file->mode = dest_mode(file->mode, st.st_mode,
 646                                                dflt_perms, exists);
 647                 }
 648
 649                 /* We now check to see if we are writing the file "inplace" */
 650                 if (inplace)  {
 651                         fd2 = do_open(fname, O_WRONLY|O_CREAT, 0600);
 652                         if (fd2 == -1) {
 653                                 rsyserr(FERROR_XFER, errno, "open %s failed",
 654                                         full_fname(fname));
 655                         }
 656                 } else {
 657                         fd2 = open_tmpfile(fnametmp, fname, file);
 658                         if (fd2 != -1)
 659                                 cleanup_set(fnametmp, partialptr, file, fd1, fd2);
 660                 }
 661
 662                 if (fd2 == -1) {
 663                         discard_receive_data(f_in, F_LENGTH(file));
 664                         if (fd1 != -1)
 665                                 close(fd1);
 666                         if (inc_recurse)
 667                                 send_msg_int(MSG_NO_SEND, ndx);
 668                         continue;
 669                 }
 670
 671                 /* log the transfer */
 672                 if (log_before_transfer)
 673                         log_item(FCLIENT, file, &initial_stats, iflags, NULL);
 674                 else if (!am_server && verbose && do_progress)
 675                         rprintf(FINFO, "%s\n", fname);
 676
 677                 /* recv file data */
 678                 recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size,
 679                                        fname, fd2, F_LENGTH(file));
 680
 681                 log_item(log_code, file, &initial_stats, iflags, NULL);
 682
 683                 if (fd1 != -1)
 684                         close(fd1);
 685                 if (close(fd2) < 0) {
 686                         rsyserr(FERROR, errno, "close failed on %s",
 687                                 full_fname(fnametmp));
 688                         exit_cleanup(RERR_FILEIO);
 689                 }
 690
 691                 if ((recv_ok && (!delay_updates || !partialptr)) || inplace) {
 692                         if (partialptr == fname)
 693                                 partialptr = NULL;
 694                         if (!finish_transfer(fname, fnametmp, fnamecmp,
 695                                              partialptr, file, recv_ok, 1))
 696                                 recv_ok = -1;
 697                         else if (fnamecmp == partialptr) {
 698                                 do_unlink(partialptr);
 699                                 handle_partial_dir(partialptr, PDIR_DELETE);
 700                         }
 701                 } else if (keep_partial && partialptr
 702                     && handle_partial_dir(partialptr, PDIR_CREATE)) {
 703                         if (!finish_transfer(partialptr, fnametmp, fnamecmp, NULL,
 704                                              file, recv_ok, !partial_dir))
 705                                 recv_ok = -1;
 706                         else if (delay_updates && recv_ok) {
 707                                 bitbag_set_bit(delayed_bits, ndx);
 708                                 recv_ok = 2;
 709                         }
 710                 } else {
 711                         partialptr = NULL;
 712                         do_unlink(fnametmp);
 713                 }
 714
 715                 cleanup_disable();
 716
 717                 switch (recv_ok) {
 718                 case 1:
 719                         if (remove_source_files || inc_recurse
 720                          || (preserve_hard_links && F_IS_HLINKED(file)))
 721                                 send_msg_int(MSG_SUCCESS, ndx);
 722                         break;
 723                 case 0: {
 724                         enum logcode msgtype = redoing ? FERROR_XFER : FWARNING;
 725                         if (msgtype == FERROR_XFER || verbose) {
 726                                 char *errstr, *redostr, *keptstr;
 727                                 if (!(keep_partial && partialptr) && !inplace)
 728                                         keptstr = "discarded";
 729                                 else if (partial_dir)
 730                                         keptstr = "put into partial-dir";
 731                                 else
 732                                         keptstr = "retained";
 733                                 if (msgtype == FERROR_XFER) {
 734                                         errstr = "ERROR";
 735                                         redostr = "";
 736                                 } else {
 737                                         errstr = "WARNING";
 738                                         redostr = read_batch ? " (may try again)"
 739                                                              : " (will try again)";
 740                                 }
 741                                 rprintf(msgtype,
 742                                         "%s: %s failed verification -- update %s%s.\n",
 743                                         errstr, local_name ? f_name(file, NULL) : fname,
 744                                         keptstr, redostr);
 745                         }
 746                         if (!redoing) {
 747                                 send_msg_int(MSG_REDO, ndx);
 748                                 file->flags |= FLAG_FILE_SENT;
 749                         } else if (inc_recurse)
 750                                 send_msg_int(MSG_NO_SEND, ndx);
 751                         break;
 752                     }
 753                 case -1:
 754                         if (inc_recurse)
 755                                 send_msg_int(MSG_NO_SEND, ndx);
 756                         break;
 757                 }
 758         }
 759         if (make_backups < 0)
 760                 make_backups = -make_backups;
 761
 762         if (phase == 2 && delay_updates) /* for protocol_version < 29 */
 763                 handle_delayed_updates(local_name);
 764
 765         if (verbose > 2)
 766                 rprintf(FINFO,"recv_files finished\n");
 767
 768         return 0;
 769 }