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 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;
  58 extern struct filter_list_struct server_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;
  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, char *fname)
  87 {
  88         int maxname, added, length = 0;
  89         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, "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
 127 static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
 128                         const char *fname, int fd, OFF_T total_size)
 129 {
 130         static char file_sum1[MAX_DIGEST_LEN];
 131         static char file_sum2[MAX_DIGEST_LEN];
 132         struct map_struct *mapbuf;
 133         struct sum_struct sum;
 134         int32 len, sum_len;
 135         OFF_T offset = 0;
 136         OFF_T offset2;
 137         char *data;
 138         int32 i;
 139         char *map = NULL;
 140
 141         read_sum_head(f_in, &sum);
 142
 143         if (fd_r >= 0 && size_r > 0) {
 144                 int32 read_size = MAX(sum.blength * 2, 16*1024);
 145                 mapbuf = map_file(fd_r, size_r, read_size, sum.blength);
 146                 if (verbose > 2) {
 147                         rprintf(FINFO, "recv mapped %s of size %.0f\n",
 148                                 fname_r, (double)size_r);
 149                 }
 150         } else
 151                 mapbuf = NULL;
 152
 153         sum_init(checksum_seed);
 154
 155         if (append_mode > 0) {
 156                 OFF_T j;
 157                 sum.flength = (OFF_T)sum.count * sum.blength;
 158                 if (sum.remainder)
 159                         sum.flength -= sum.blength - sum.remainder;
 160                 for (j = CHUNK_SIZE; j < sum.flength; j += CHUNK_SIZE) {
 161                         if (do_progress)
 162                                 show_progress(offset, total_size);
 163                         sum_update(map_ptr(mapbuf, offset, CHUNK_SIZE),
 164                                    CHUNK_SIZE);
 165                         offset = j;
 166                 }
 167                 if (offset < sum.flength) {
 168                         int32 len = (int32)(sum.flength - offset);
 169                         if (do_progress)
 170                                 show_progress(offset, total_size);
 171                         sum_update(map_ptr(mapbuf, offset, len), len);
 172                         offset = sum.flength;
 173                 }
 174                 if (fd != -1 && (j = do_lseek(fd, offset, SEEK_SET)) != offset) {
 175                         rsyserr(FERROR, errno, "lseek of %s returned %.0f, not %.0f",
 176                                 full_fname(fname), (double)j, (double)offset);
 177                         exit_cleanup(RERR_FILEIO);
 178                 }
 179         }
 180
 181         while ((i = recv_token(f_in, &data)) != 0) {
 182                 if (do_progress)
 183                         show_progress(offset, total_size);
 184
 185                 if (i > 0) {
 186                         if (verbose > 3) {
 187                                 rprintf(FINFO,"data recv %d at %.0f\n",
 188                                         i,(double)offset);
 189                         }
 190
 191                         stats.literal_data += i;
 192                         cleanup_got_literal = 1;
 193
 194                         sum_update(data, i);
 195
 196                         if (fd != -1 && write_file(fd,data,i) != i)
 197                                 goto report_write_error;
 198                         offset += i;
 199                         continue;
 200                 }
 201
 202                 i = -(i+1);
 203                 offset2 = i * (OFF_T)sum.blength;
 204                 len = sum.blength;
 205                 if (i == (int)sum.count-1 && sum.remainder != 0)
 206                         len = sum.remainder;
 207
 208                 stats.matched_data += len;
 209
 210                 if (verbose > 3) {
 211                         rprintf(FINFO,
 212                                 "chunk[%d] of size %ld at %.0f offset=%.0f\n",
 213                                 i, (long)len, (double)offset2, (double)offset);
 214                 }
 215
 216                 if (mapbuf) {
 217                         map = map_ptr(mapbuf,offset2,len);
 218
 219                         see_token(map, len);
 220                         sum_update(map, len);
 221                 }
 222
 223                 if (updating_basis) {
 224                         if (offset == offset2 && fd != -1) {
 225                                 OFF_T pos;
 226                                 if (flush_write_file(fd) < 0)
 227                                         goto report_write_error;
 228                                 offset += len;
 229                                 if ((pos = do_lseek(fd, len, SEEK_CUR)) != offset) {
 230                                         rsyserr(FERROR, errno,
 231                                                 "lseek of %s returned %.0f, not %.0f",
 232                                                 full_fname(fname),
 233                                                 (double)pos, (double)offset);
 234                                         exit_cleanup(RERR_FILEIO);
 235                                 }
 236                                 continue;
 237                         }
 238                 }
 239                 if (fd != -1 && map && write_file(fd, map, len) != (int)len)
 240                         goto report_write_error;
 241                 offset += len;
 242         }
 243
 244         if (flush_write_file(fd) < 0)
 245                 goto report_write_error;
 246
 247 #ifdef HAVE_FTRUNCATE
 248         if (inplace && fd != -1)
 249                 ftruncate(fd, offset);
 250 #endif
 251
 252         if (do_progress)
 253                 end_progress(total_size);
 254
 255         if (fd != -1 && offset > 0 && sparse_end(fd) != 0) {
 256             report_write_error:
 257                 rsyserr(FERROR, errno, "write failed on %s",
 258                         full_fname(fname));
 259                 exit_cleanup(RERR_FILEIO);
 260         }
 261
 262         sum_len = sum_end(file_sum1);
 263
 264         if (mapbuf)
 265                 unmap_file(mapbuf);
 266
 267         read_buf(f_in, file_sum2, sum_len);
 268         if (verbose > 2)
 269                 rprintf(FINFO,"got file_sum\n");
 270         if (fd != -1 && memcmp(file_sum1, file_sum2, sum_len) != 0)
 271                 return 0;
 272         return 1;
 273 }
 274
 275
 276 static void discard_receive_data(int f_in, OFF_T length)
 277 {
 278         receive_data(f_in, NULL, -1, 0, NULL, -1, length);
 279 }
 280
 281 static void handle_delayed_updates(char *local_name)
 282 {
 283         char *fname, *partialptr;
 284         int ndx;
 285
 286         for (ndx = -1; (ndx = bitbag_next_bit(delayed_bits, ndx)) >= 0; ) {
 287                 struct file_struct *file = cur_flist->files[ndx];
 288                 fname = local_name ? local_name : f_name(file, NULL);
 289                 if ((partialptr = partial_dir_fname(fname)) != NULL) {
 290                         if (make_backups > 0 && !make_backup(fname))
 291                                 continue;
 292                         if (verbose > 2) {
 293                                 rprintf(FINFO, "renaming %s to %s\n",
 294                                         partialptr, fname);
 295                         }
 296                         /* We don't use robust_rename() here because the
 297                          * partial-dir must be on the same drive. */
 298                         if (do_rename(partialptr, fname) < 0) {
 299                                 rsyserr(FERROR, errno,
 300                                         "rename failed for %s (from %s)",
 301                                         full_fname(fname), partialptr);
 302                         } else {
 303                                 if (remove_source_files
 304                                  || (preserve_hard_links && F_IS_HLINKED(file)))
 305                                         send_msg_int(MSG_SUCCESS, ndx);
 306                                 handle_partial_dir(partialptr, PDIR_DELETE);
 307                         }
 308                 }
 309         }
 310 }
 311
 312 static int get_next_gen_ndx(int fd, int next_gen_ndx, int desired_ndx)
 313 {
 314         while (next_gen_ndx < desired_ndx) {
 315                 if (next_gen_ndx >= 0) {
 316                         rprintf(FINFO,
 317                                 "(No batched update for%s \"%s\")\n",
 318                                 redoing ? " resend of" : "",
 319                                 f_name(cur_flist->files[next_gen_ndx], NULL));
 320                 }
 321                 next_gen_ndx = read_int(fd);
 322                 if (next_gen_ndx == -1) {
 323                         if (inc_recurse)
 324                                 next_gen_ndx = first_flist->prev->count + first_flist->prev->ndx_start;
 325                         else
 326                                 next_gen_ndx = cur_flist->count;
 327                 }
 328         }
 329         return next_gen_ndx;
 330 }
 331
 332 /**
 333  * main routine for receiver process.
 334  *
 335  * Receiver process runs on the same host as the generator process. */
 336 int recv_files(int f_in, char *local_name)
 337 {
 338         int next_gen_ndx = -1;
 339         int fd1,fd2;
 340         STRUCT_STAT st;
 341         int iflags, xlen;
 342         char *fname, fbuf[MAXPATHLEN];
 343         char xname[MAXPATHLEN];
 344         char fnametmp[MAXPATHLEN];
 345         char *fnamecmp, *partialptr;
 346         char fnamecmpbuf[MAXPATHLEN];
 347         uchar fnamecmp_type;
 348         struct file_struct *file;
 349         struct stats initial_stats;
 350         int itemizing = am_server ? logfile_format_has_i : stdout_format_has_i;
 351         enum logcode log_code = log_before_transfer ? FLOG : FINFO;
 352         int max_phase = protocol_version >= 29 ? 2 : 1;
 353         int dflt_perms = (ACCESSPERMS & ~orig_umask);
 354 #ifdef SUPPORT_ACLS
 355         const char *parent_dirname = "";
 356 #endif
 357         int ndx, recv_ok;
 358
 359         if (verbose > 2)
 360                 rprintf(FINFO, "recv_files(%d) starting\n", cur_flist->count);
 361
 362         if (delay_updates)
 363                 delayed_bits = bitbag_create(cur_flist->count + 1);
 364
 365         updating_basis = inplace;
 366
 367         while (1) {
 368                 cleanup_disable();
 369
 370                 /* This call also sets cur_flist. */
 371                 ndx = read_ndx_and_attrs(f_in, &iflags, &fnamecmp_type,
 372                                          xname, &xlen);
 373                 if (ndx == NDX_DONE) {
 374                         if (inc_recurse && first_flist) {
 375                                 flist_free(first_flist);
 376                                 if (first_flist)
 377                                         continue;
 378                         }
 379                         if (read_batch && cur_flist) {
 380                                 int high = inc_recurse
 381                                     ? first_flist->prev->count + first_flist->prev->ndx_start
 382                                     : cur_flist->count;
 383                                 get_next_gen_ndx(batch_gen_fd, next_gen_ndx, high);
 384                                 next_gen_ndx = -1;
 385                         }
 386                         if (++phase > max_phase)
 387                                 break;
 388                         if (verbose > 2)
 389                                 rprintf(FINFO, "recv_files phase=%d\n", phase);
 390                         if (phase == 2 && delay_updates)
 391                                 handle_delayed_updates(local_name);
 392                         send_msg(MSG_DONE, "", 0, 0);
 393                         continue;
 394                 }
 395
 396                 file = cur_flist->files[ndx - cur_flist->ndx_start];
 397                 fname = local_name ? local_name : f_name(file, fbuf);
 398
 399                 if (verbose > 2)
 400                         rprintf(FINFO, "recv_files(%s)\n", fname);
 401
 402 #ifdef SUPPORT_XATTRS
 403                 if (iflags & ITEM_REPORT_XATTR && !dry_run)
 404                         recv_xattr_request(file, f_in);
 405 #endif
 406
 407                 if (!(iflags & ITEM_TRANSFER)) {
 408                         maybe_log_item(file, iflags, itemizing, xname);
 409 #ifdef SUPPORT_XATTRS
 410                         if (preserve_xattrs && iflags & ITEM_REPORT_XATTR && !dry_run)
 411                                 set_file_attrs(fname, file, NULL, fname, 0);
 412 #endif
 413                         continue;
 414                 }
 415                 if (phase == 2) {
 416                         rprintf(FERROR,
 417                                 "got transfer request in phase 2 [%s]\n",
 418                                 who_am_i());
 419                         exit_cleanup(RERR_PROTOCOL);
 420                 }
 421
 422                 if (file->flags & FLAG_FILE_SENT) {
 423                         if (csum_length == SHORT_SUM_LENGTH) {
 424                                 if (keep_partial && !partial_dir)
 425                                         make_backups = -make_backups; /* prevents double backup */
 426                                 append_mode = -append_mode;
 427                                 sparse_files = -sparse_files;
 428                                 csum_length = SUM_LENGTH;
 429                                 redoing = 1;
 430                         }
 431                 } else {
 432                         if (csum_length != SHORT_SUM_LENGTH) {
 433                                 if (keep_partial && !partial_dir)
 434                                         make_backups = -make_backups;
 435                                 append_mode = -append_mode;
 436                                 sparse_files = -sparse_files;
 437                                 csum_length = SHORT_SUM_LENGTH;
 438                                 redoing = 0;
 439                         }
 440                 }
 441
 442                 stats.current_file_index = ndx;
 443                 stats.num_transferred_files++;
 444                 stats.total_transferred_size += F_LENGTH(file);
 445                 cleanup_got_literal = 0;
 446
 447                 if (server_filter_list.head
 448                     && check_filter(&server_filter_list, fname, 0) < 0) {
 449                         rprintf(FERROR, "attempt to hack rsync failed.\n");
 450                         exit_cleanup(RERR_PROTOCOL);
 451                 }
 452
 453                 if (!do_xfers) { /* log the transfer */
 454                         log_item(FCLIENT, file, &stats, iflags, NULL);
 455                         if (read_batch)
 456                                 discard_receive_data(f_in, F_LENGTH(file));
 457                         continue;
 458                 }
 459                 if (write_batch < 0) {
 460                         log_item(FINFO, file, &stats, iflags, NULL);
 461                         if (!am_server)
 462                                 discard_receive_data(f_in, F_LENGTH(file));
 463                         continue;
 464                 }
 465
 466                 if (read_batch) {
 467                         next_gen_ndx = get_next_gen_ndx(batch_gen_fd, next_gen_ndx, ndx);
 468                         if (ndx < next_gen_ndx) {
 469                                 rprintf(FINFO,
 470                                         "(Skipping batched update for \"%s\")\n",
 471                                         fname);
 472                                 discard_receive_data(f_in, F_LENGTH(file));
 473                                 if (inc_recurse)
 474                                         send_msg_int(MSG_NO_SEND, ndx);
 475                                 continue;
 476                         }
 477                         next_gen_ndx = -1;
 478                 }
 479
 480                 partialptr = partial_dir ? partial_dir_fname(fname) : fname;
 481
 482                 if (protocol_version >= 29) {
 483                         switch (fnamecmp_type) {
 484                         case FNAMECMP_FNAME:
 485                                 fnamecmp = fname;
 486                                 break;
 487                         case FNAMECMP_PARTIAL_DIR:
 488                                 fnamecmp = partialptr;
 489                                 break;
 490                         case FNAMECMP_BACKUP:
 491                                 fnamecmp = get_backup_name(fname);
 492                                 break;
 493                         case FNAMECMP_FUZZY:
 494                                 updating_basis = 0;
 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                                 updating_basis = 0;
 504                                 if (fnamecmp_type >= basis_dir_cnt) {
 505                                         rprintf(FERROR,
 506                                                 "invalid basis_dir index: %d.\n",
 507                                                 fnamecmp_type);
 508                                         exit_cleanup(RERR_PROTOCOL);
 509                                 }
 510                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
 511                                          basis_dir[fnamecmp_type], fname);
 512                                 fnamecmp = fnamecmpbuf;
 513                                 break;
 514                         }
 515                         if (!fnamecmp || (server_filter_list.head
 516                           && check_filter(&server_filter_list, fname, 0) < 0))
 517                                 fnamecmp = fname;
 518                 } else {
 519                         /* Reminder: --inplace && --partial-dir are never
 520                          * enabled at the same time. */
 521                         if (inplace && make_backups > 0) {
 522                                 if (!(fnamecmp = get_backup_name(fname)))
 523                                         fnamecmp = fname;
 524                         } else if (partial_dir && partialptr)
 525                                 fnamecmp = partialptr;
 526                         else
 527                                 fnamecmp = fname;
 528                 }
 529
 530                 initial_stats = stats;
 531
 532                 /* open the file */
 533                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
 534
 535                 if (fd1 == -1 && protocol_version < 29) {
 536                         if (fnamecmp != fname) {
 537                                 fnamecmp = fname;
 538                                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
 539                         }
 540
 541                         if (fd1 == -1 && basis_dir[0]) {
 542                                 /* pre-29 allowed only one alternate basis */
 543                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
 544                                          basis_dir[0], fname);
 545                                 fnamecmp = fnamecmpbuf;
 546                                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
 547                         }
 548                 }
 549
 550                 if (fd1 == -1) {
 551                         st.st_mode = 0;
 552                         st.st_size = 0;
 553                 } else if (do_fstat(fd1,&st) != 0) {
 554                         rsyserr(FERROR, errno, "fstat %s failed",
 555                                 full_fname(fnamecmp));
 556                         discard_receive_data(f_in, F_LENGTH(file));
 557                         close(fd1);
 558                         if (inc_recurse)
 559                                 send_msg_int(MSG_NO_SEND, ndx);
 560                         continue;
 561                 }
 562
 563                 if (fd1 != -1 && S_ISDIR(st.st_mode) && fnamecmp == fname) {
 564                         /* this special handling for directories
 565                          * wouldn't be necessary if robust_rename()
 566                          * and the underlying robust_unlink could cope
 567                          * with directories
 568                          */
 569                         rprintf(FERROR,"recv_files: %s is a directory\n",
 570                                 full_fname(fnamecmp));
 571                         discard_receive_data(f_in, F_LENGTH(file));
 572                         close(fd1);
 573                         if (inc_recurse)
 574                                 send_msg_int(MSG_NO_SEND, ndx);
 575                         continue;
 576                 }
 577
 578                 if (fd1 != -1 && !S_ISREG(st.st_mode)) {
 579                         close(fd1);
 580                         fd1 = -1;
 581                 }
 582
 583                 /* If we're not preserving permissions, change the file-list's
 584                  * mode based on the local permissions and some heuristics. */
 585                 if (!preserve_perms) {
 586                         int exists = fd1 != -1;
 587 #ifdef SUPPORT_ACLS
 588                         const char *dn = file->dirname ? file->dirname : ".";
 589                         if (parent_dirname != dn
 590                          && strcmp(parent_dirname, dn) != 0) {
 591                                 dflt_perms = default_perms_for_dir(dn);
 592                                 parent_dirname = dn;
 593                         }
 594 #endif
 595                         file->mode = dest_mode(file->mode, st.st_mode,
 596                                                dflt_perms, exists);
 597                 }
 598
 599                 /* We now check to see if we are writing the file "inplace" */
 600                 if (inplace)  {
 601                         fd2 = do_open(fname, O_WRONLY|O_CREAT, 0600);
 602                         if (fd2 == -1) {
 603                                 rsyserr(FERROR, errno, "open %s failed",
 604                                         full_fname(fname));
 605                                 discard_receive_data(f_in, F_LENGTH(file));
 606                                 if (fd1 != -1)
 607                                         close(fd1);
 608                                 if (inc_recurse)
 609                                         send_msg_int(MSG_NO_SEND, ndx);
 610                                 continue;
 611                         }
 612                 } else {
 613                         if (!get_tmpname(fnametmp,fname)) {
 614                                 discard_receive_data(f_in, F_LENGTH(file));
 615                                 if (fd1 != -1)
 616                                         close(fd1);
 617                                 if (inc_recurse)
 618                                         send_msg_int(MSG_NO_SEND, ndx);
 619                                 continue;
 620                         }
 621
 622                         /* we initially set the perms without the
 623                          * setuid/setgid bits to ensure that there is no race
 624                          * condition. They are then correctly updated after
 625                          * the lchown. Thanks to snabb@epipe.fi for pointing
 626                          * this out.  We also set it initially without group
 627                          * access because of a similar race condition. */
 628                         fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
 629
 630                         /* in most cases parent directories will already exist
 631                          * because their information should have been previously
 632                          * transferred, but that may not be the case with -R */
 633                         if (fd2 == -1 && relative_paths && errno == ENOENT
 634                             && create_directory_path(fnametmp) == 0) {
 635                                 /* Get back to name with XXXXXX in it. */
 636                                 get_tmpname(fnametmp, fname);
 637                                 fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
 638                         }
 639                         if (fd2 == -1) {
 640                                 rsyserr(FERROR, errno, "mkstemp %s failed",
 641                                         full_fname(fnametmp));
 642                                 discard_receive_data(f_in, F_LENGTH(file));
 643                                 if (fd1 != -1)
 644                                         close(fd1);
 645                                 if (inc_recurse)
 646                                         send_msg_int(MSG_NO_SEND, ndx);
 647                                 continue;
 648                         }
 649
 650                         cleanup_set(fnametmp, partialptr, file, fd1, fd2);
 651                 }
 652
 653                 /* log the transfer */
 654                 if (log_before_transfer)
 655                         log_item(FCLIENT, file, &initial_stats, iflags, NULL);
 656                 else if (!am_server && verbose && do_progress)
 657                         rprintf(FINFO, "%s\n", fname);
 658
 659                 /* recv file data */
 660                 recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size,
 661                                        fname, fd2, F_LENGTH(file));
 662
 663                 log_item(log_code, file, &initial_stats, iflags, NULL);
 664
 665                 if (fd1 != -1)
 666                         close(fd1);
 667                 if (close(fd2) < 0) {
 668                         rsyserr(FERROR, errno, "close failed on %s",
 669                                 full_fname(fnametmp));
 670                         exit_cleanup(RERR_FILEIO);
 671                 }
 672
 673                 if ((recv_ok && (!delay_updates || !partialptr)) || inplace) {
 674                         char *temp_copy_name;
 675                         if (partialptr == fname)
 676                                 partialptr = temp_copy_name = NULL;
 677                         else if (*partial_dir == '/')
 678                                 temp_copy_name = NULL;
 679                         else
 680                                 temp_copy_name = partialptr;
 681                         finish_transfer(fname, fnametmp, fnamecmp,
 682                                         temp_copy_name, file, recv_ok, 1);
 683                         if (fnamecmp == partialptr) {
 684                                 do_unlink(partialptr);
 685                                 handle_partial_dir(partialptr, PDIR_DELETE);
 686                         }
 687                 } else if (keep_partial && partialptr
 688                     && handle_partial_dir(partialptr, PDIR_CREATE)) {
 689                         finish_transfer(partialptr, fnametmp, fnamecmp, NULL,
 690                                         file, recv_ok, !partial_dir);
 691                         if (delay_updates && recv_ok) {
 692                                 bitbag_set_bit(delayed_bits, ndx);
 693                                 recv_ok = -1;
 694                         }
 695                 } else {
 696                         partialptr = NULL;
 697                         do_unlink(fnametmp);
 698                 }
 699
 700                 cleanup_disable();
 701
 702                 if (recv_ok > 0) {
 703                         if (remove_source_files || inc_recurse
 704                          || (preserve_hard_links && F_IS_HLINKED(file)))
 705                                 send_msg_int(MSG_SUCCESS, ndx);
 706                 } else if (!recv_ok) {
 707                         enum logcode msgtype = redoing || read_batch ? FERROR : FINFO;
 708                         if (msgtype == FERROR || verbose) {
 709                                 char *errstr, *redostr, *keptstr;
 710                                 if (!(keep_partial && partialptr) && !inplace)
 711                                         keptstr = "discarded";
 712                                 else if (partial_dir)
 713                                         keptstr = "put into partial-dir";
 714                                 else
 715                                         keptstr = "retained";
 716                                 if (msgtype == FERROR) {
 717                                         errstr = "ERROR";
 718                                         redostr = "";
 719                                 } else {
 720                                         errstr = "WARNING";
 721                                         redostr = " (will try again)";
 722                                 }
 723                                 rprintf(msgtype,
 724                                         "%s: %s failed verification -- update %s%s.\n",
 725                                         errstr, fname, keptstr, redostr);
 726                         }
 727                         if (!redoing) {
 728                                 send_msg_int(MSG_REDO, ndx);
 729                                 file->flags |= FLAG_FILE_SENT;
 730                         } else if (inc_recurse)
 731                                 send_msg_int(MSG_NO_SEND, ndx);
 732                 }
 733         }
 734         if (make_backups < 0)
 735                 make_backups = -make_backups;
 736
 737         if (phase == 2 && delay_updates) /* for protocol_version < 29 */
 738                 handle_delayed_updates(local_name);
 739
 740         if (verbose > 2)
 741                 rprintf(FINFO,"recv_files finished\n");
 742
 743         return 0;
 744 }