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