receiver.c

   1 /* -*- c-file-style: "linux" -*-
   2
   3    Copyright (C) 1996-2000 by Andrew Tridgell
   4    Copyright (C) Paul Mackerras 1996
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21 #include "rsync.h"
  22
  23 extern int verbose;
  24 extern int do_xfers;
  25 extern int am_daemon;
  26 extern int am_server;
  27 extern int do_progress;
  28 extern int log_before_transfer;
  29 extern int log_format_has_i;
  30 extern int daemon_log_format_has_i;
  31 extern int csum_length;
  32 extern int read_batch;
  33 extern int write_batch;
  34 extern int batch_gen_fd;
  35 extern int protocol_version;
  36 extern int relative_paths;
  37 extern int keep_dirlinks;
  38 extern int preserve_hard_links;
  39 extern int preserve_perms;
  40 extern int io_error;
  41 extern int basis_dir_cnt;
  42 extern int make_backups;
  43 extern int cleanup_got_literal;
  44 extern int remove_sent_files;
  45 extern int module_id;
  46 extern int ignore_errors;
  47 extern int orig_umask;
  48 extern int append_mode;
  49 extern int keep_partial;
  50 extern int checksum_seed;
  51 extern int inplace;
  52 extern int delay_updates;
  53 extern struct stats stats;
  54 extern char *log_format;
  55 extern char *tmpdir;
  56 extern char *partial_dir;
  57 extern char *basis_dir[];
  58 extern struct file_list *the_file_list;
  59 extern struct filter_list_struct server_filter_list;
  60
  61 #define SLOT_SIZE       (16*1024)       /* Desired size in bytes */
  62 #define PER_SLOT_BITS   (SLOT_SIZE * 8) /* Number of bits per slot */
  63 #define PER_SLOT_INTS   (SLOT_SIZE / 4) /* Number of int32s per slot */
  64
  65 static uint32 **delayed_bits = NULL;
  66 static int delayed_slot_cnt = 0;
  67 static int phase = 0;
  68
  69 static void init_delayed_bits(int max_ndx)
  70 {
  71         delayed_slot_cnt = (max_ndx + PER_SLOT_BITS - 1) / PER_SLOT_BITS;
  72
  73         if (!(delayed_bits = (uint32**)calloc(delayed_slot_cnt, sizeof (uint32*))))
  74                 out_of_memory("set_delayed_bit");
  75 }
  76
  77 static void set_delayed_bit(int ndx)
  78 {
  79         int slot = ndx / PER_SLOT_BITS;
  80         ndx %= PER_SLOT_BITS;
  81
  82         if (!delayed_bits[slot]) {
  83                 if (!(delayed_bits[slot] = (uint32*)calloc(PER_SLOT_INTS, 4)))
  84                         out_of_memory("set_delayed_bit");
  85         }
  86
  87         delayed_bits[slot][ndx/32] |= 1u << (ndx % 32);
  88 }
  89
  90 /* Call this with -1 to start checking from 0.  Returns -1 at the end. */
  91 static int next_delayed_bit(int after)
  92 {
  93         uint32 bits, mask;
  94         int i, ndx = after + 1;
  95         int slot = ndx / PER_SLOT_BITS;
  96         ndx %= PER_SLOT_BITS;
  97
  98         mask = (1u << (ndx % 32)) - 1;
  99         for (i = ndx / 32; slot < delayed_slot_cnt; slot++, i = mask = 0) {
 100                 if (!delayed_bits[slot])
 101                         continue;
 102                 for ( ; i < PER_SLOT_INTS; i++, mask = 0) {
 103                         if (!(bits = delayed_bits[slot][i] & ~mask))
 104                                 continue;
 105                         /* The xor magic figures out the lowest enabled bit in
 106                          * bits, and the switch quickly computes log2(bit). */
 107                         switch (bits ^ (bits & (bits-1))) {
 108 #define LOG2(n) case 1u << n: return slot*PER_SLOT_BITS + i*32 + n
 109                             LOG2(0);  LOG2(1);  LOG2(2);  LOG2(3);
 110                             LOG2(4);  LOG2(5);  LOG2(6);  LOG2(7);
 111                             LOG2(8);  LOG2(9);  LOG2(10); LOG2(11);
 112                             LOG2(12); LOG2(13); LOG2(14); LOG2(15);
 113                             LOG2(16); LOG2(17); LOG2(18); LOG2(19);
 114                             LOG2(20); LOG2(21); LOG2(22); LOG2(23);
 115                             LOG2(24); LOG2(25); LOG2(26); LOG2(27);
 116                             LOG2(28); LOG2(29); LOG2(30); LOG2(31);
 117                         }
 118                         return -1; /* impossible... */
 119                 }
 120         }
 121
 122         return -1;
 123 }
 124
 125
 126 /*
 127  * get_tmpname() - create a tmp filename for a given filename
 128  *
 129  *   If a tmpdir is defined, use that as the directory to
 130  *   put it in.  Otherwise, the tmp filename is in the same
 131  *   directory as the given name.  Note that there may be no
 132  *   directory at all in the given name!
 133  *
 134  *   The tmp filename is basically the given filename with a
 135  *   dot prepended, and .XXXXXX appended (for mkstemp() to
 136  *   put its unique gunk in).  Take care to not exceed
 137  *   either the MAXPATHLEN or NAME_MAX, esp. the last, as
 138  *   the basename basically becomes 8 chars longer. In that
 139  *   case, the original name is shortened sufficiently to
 140  *   make it all fit.
 141  *
 142  *   Of course, there's no real reason for the tmp name to
 143  *   look like the original, except to satisfy us humans.
 144  *   As long as it's unique, rsync will work.
 145  */
 146
 147 static int get_tmpname(char *fnametmp, char *fname)
 148 {
 149         char *f;
 150         int     length = 0;
 151         int     maxname;
 152
 153         if (tmpdir) {
 154                 /* Note: this can't overflow, so the return value is safe */
 155                 length = strlcpy(fnametmp, tmpdir, MAXPATHLEN - 2);
 156                 fnametmp[length++] = '/';
 157                 fnametmp[length] = '\0';        /* always NULL terminated */
 158         }
 159
 160         if ((f = strrchr(fname, '/')) != NULL) {
 161                 ++f;
 162                 if (!tmpdir) {
 163                         length = f - fname;
 164                         /* copy up to and including the slash */
 165                         strlcpy(fnametmp, fname, length + 1);
 166                 }
 167         } else
 168                 f = fname;
 169         fnametmp[length++] = '.';
 170         fnametmp[length] = '\0';                /* always NULL terminated */
 171
 172         maxname = MIN(MAXPATHLEN - 7 - length, NAME_MAX - 8);
 173
 174         if (maxname < 1) {
 175                 rprintf(FERROR, "temporary filename too long: %s\n",
 176                         safe_fname(fname));
 177                 fnametmp[0] = '\0';
 178                 return 0;
 179         }
 180
 181         strlcpy(fnametmp + length, f, maxname);
 182         strcat(fnametmp + length, ".XXXXXX");
 183
 184         return 1;
 185 }
 186
 187
 188 static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
 189                         char *fname, int fd, OFF_T total_size)
 190 {
 191         static char file_sum1[MD4_SUM_LENGTH];
 192         static char file_sum2[MD4_SUM_LENGTH];
 193         struct map_struct *mapbuf;
 194         struct sum_struct sum;
 195         int32 len;
 196         OFF_T offset = 0;
 197         OFF_T offset2;
 198         char *data;
 199         int32 i;
 200         char *map = NULL;
 201
 202         read_sum_head(f_in, &sum);
 203
 204         if (fd_r >= 0 && size_r > 0) {
 205                 int32 read_size = MAX(sum.blength * 2, 16*1024);
 206                 mapbuf = map_file(fd_r, size_r, read_size, sum.blength);
 207                 if (verbose > 2) {
 208                         rprintf(FINFO, "recv mapped %s of size %.0f\n",
 209                                 safe_fname(fname_r), (double)size_r);
 210                 }
 211         } else
 212                 mapbuf = NULL;
 213
 214         sum_init(checksum_seed);
 215
 216         if (append_mode) {
 217                 OFF_T j;
 218                 sum.flength = (OFF_T)sum.count * sum.blength;
 219                 if (sum.remainder)
 220                         sum.flength -= sum.blength - sum.remainder;
 221                 for (j = CHUNK_SIZE; j < sum.flength; j += CHUNK_SIZE) {
 222                         sum_update(map_ptr(mapbuf, offset, CHUNK_SIZE),
 223                                    CHUNK_SIZE);
 224                         offset = j;
 225                 }
 226                 if (offset < sum.flength) {
 227                         int32 len = sum.flength - offset;
 228                         sum_update(map_ptr(mapbuf, offset, len), len);
 229                         offset = sum.flength;
 230                 }
 231                 if (fd != -1 && do_lseek(fd, offset, SEEK_SET) != offset) {
 232                         rsyserr(FERROR, errno, "lseek failed on %s",
 233                                 full_fname(fname));
 234                         exit_cleanup(RERR_FILEIO);
 235                 }
 236         }
 237
 238         while ((i = recv_token(f_in, &data)) != 0) {
 239                 if (do_progress)
 240                         show_progress(offset, total_size);
 241
 242                 if (i > 0) {
 243                         if (verbose > 3) {
 244                                 rprintf(FINFO,"data recv %d at %.0f\n",
 245                                         i,(double)offset);
 246                         }
 247
 248                         stats.literal_data += i;
 249                         cleanup_got_literal = 1;
 250
 251                         sum_update(data, i);
 252
 253                         if (fd != -1 && write_file(fd,data,i) != i)
 254                                 goto report_write_error;
 255                         offset += i;
 256                         continue;
 257                 }
 258
 259                 i = -(i+1);
 260                 offset2 = i * (OFF_T)sum.blength;
 261                 len = sum.blength;
 262                 if (i == (int)sum.count-1 && sum.remainder != 0)
 263                         len = sum.remainder;
 264
 265                 stats.matched_data += len;
 266
 267                 if (verbose > 3) {
 268                         rprintf(FINFO,
 269                                 "chunk[%d] of size %ld at %.0f offset=%.0f\n",
 270                                 i, (long)len, (double)offset2, (double)offset);
 271                 }
 272
 273                 if (mapbuf) {
 274                         map = map_ptr(mapbuf,offset2,len);
 275
 276                         see_token(map, len);
 277                         sum_update(map, len);
 278                 }
 279
 280                 if (inplace) {
 281                         if (offset == offset2 && fd != -1) {
 282                                 if (flush_write_file(fd) < 0)
 283                                         goto report_write_error;
 284                                 offset += len;
 285                                 if (do_lseek(fd, len, SEEK_CUR) != offset) {
 286                                         rsyserr(FERROR, errno,
 287                                                 "lseek failed on %s",
 288                                                 full_fname(fname));
 289                                         exit_cleanup(RERR_FILEIO);
 290                                 }
 291                                 continue;
 292                         }
 293                 }
 294                 if (fd != -1 && map && write_file(fd, map, len) != (int)len)
 295                         goto report_write_error;
 296                 offset += len;
 297         }
 298
 299         if (flush_write_file(fd) < 0)
 300                 goto report_write_error;
 301
 302 #ifdef HAVE_FTRUNCATE
 303         if (inplace && fd != -1)
 304                 ftruncate(fd, offset);
 305 #endif
 306
 307         if (do_progress)
 308                 end_progress(total_size);
 309
 310         if (fd != -1 && offset > 0 && sparse_end(fd) != 0) {
 311             report_write_error:
 312                 rsyserr(FERROR, errno, "write failed on %s",
 313                         full_fname(fname));
 314                 exit_cleanup(RERR_FILEIO);
 315         }
 316
 317         sum_end(file_sum1);
 318
 319         if (mapbuf)
 320                 unmap_file(mapbuf);
 321
 322         read_buf(f_in,file_sum2,MD4_SUM_LENGTH);
 323         if (verbose > 2)
 324                 rprintf(FINFO,"got file_sum\n");
 325         if (fd != -1 && memcmp(file_sum1, file_sum2, MD4_SUM_LENGTH) != 0)
 326                 return 0;
 327         return 1;
 328 }
 329
 330
 331 static void discard_receive_data(int f_in, OFF_T length)
 332 {
 333         receive_data(f_in, NULL, -1, 0, NULL, -1, length);
 334 }
 335
 336 static void handle_delayed_updates(struct file_list *flist, char *local_name)
 337 {
 338         char *fname, *partialptr, numbuf[4];
 339         int i;
 340
 341         for (i = -1; (i = next_delayed_bit(i)) >= 0; ) {
 342                 struct file_struct *file = flist->files[i];
 343                 fname = local_name ? local_name : f_name(file);
 344                 if ((partialptr = partial_dir_fname(fname)) != NULL) {
 345                         if (make_backups && !make_backup(fname))
 346                                 continue;
 347                         if (verbose > 2) {
 348                                 rprintf(FINFO, "renaming %s to %s\n",
 349                                         safe_fname(partialptr),
 350                                         safe_fname(fname));
 351                         }
 352                         if (do_rename(partialptr, fname) < 0) {
 353                                 rsyserr(FERROR, errno,
 354                                         "rename failed for %s (from %s)",
 355                                         full_fname(fname),
 356                                         safe_fname(partialptr));
 357                         } else {
 358                                 if (remove_sent_files
 359                                     || (preserve_hard_links
 360                                      && file->link_u.links)) {
 361                                         SIVAL(numbuf, 0, i);
 362                                         send_msg(MSG_SUCCESS,numbuf,4);
 363                                 }
 364                                 handle_partial_dir(partialptr,
 365                                                    PDIR_DELETE);
 366                         }
 367                 }
 368         }
 369 }
 370
 371 static int get_next_gen_i(int batch_gen_fd, int next_gen_i, int desired_i)
 372 {
 373         while (next_gen_i < desired_i) {
 374                 if (next_gen_i >= 0) {
 375                         rprintf(FINFO,
 376                                 "(No batched update for%s \"%s\")\n",
 377                                 phase ? " resend of" : "",
 378                                 safe_fname(f_name(the_file_list->files[next_gen_i])));
 379                 }
 380                 next_gen_i = read_int(batch_gen_fd);
 381                 if (next_gen_i == -1)
 382                         next_gen_i = the_file_list->count;
 383         }
 384         return next_gen_i;
 385 }
 386
 387
 388 /**
 389  * main routine for receiver process.
 390  *
 391  * Receiver process runs on the same host as the generator process. */
 392 int recv_files(int f_in, struct file_list *flist, char *local_name)
 393 {
 394         int next_gen_i = -1;
 395         int fd1,fd2;
 396         STRUCT_STAT st;
 397         int iflags, xlen;
 398         char *fname, fbuf[MAXPATHLEN];
 399         char xname[MAXPATHLEN];
 400         char fnametmp[MAXPATHLEN];
 401         char *fnamecmp, *partialptr, numbuf[4];
 402         char fnamecmpbuf[MAXPATHLEN];
 403         uchar fnamecmp_type;
 404         struct file_struct *file;
 405         struct stats initial_stats;
 406         int save_make_backups = make_backups;
 407         int itemizing = am_daemon ? daemon_log_format_has_i
 408                       : !am_server && log_format_has_i;
 409         int max_phase = protocol_version >= 29 ? 2 : 1;
 410         int i, recv_ok;
 411
 412         if (verbose > 2)
 413                 rprintf(FINFO,"recv_files(%d) starting\n",flist->count);
 414
 415         if (flist->hlink_pool) {
 416                 pool_destroy(flist->hlink_pool);
 417                 flist->hlink_pool = NULL;
 418         }
 419
 420         if (delay_updates)
 421                 init_delayed_bits(flist->count);
 422
 423         while (1) {
 424                 cleanup_disable();
 425
 426                 i = read_int(f_in);
 427                 if (i == -1) {
 428                         if (read_batch) {
 429                                 get_next_gen_i(batch_gen_fd, next_gen_i,
 430                                                flist->count);
 431                                 next_gen_i = -1;
 432                         }
 433                         if (++phase > max_phase)
 434                                 break;
 435                         csum_length = SUM_LENGTH;
 436                         if (verbose > 2)
 437                                 rprintf(FINFO, "recv_files phase=%d\n", phase);
 438                         if (phase == 2 && delay_updates)
 439                                 handle_delayed_updates(flist, local_name);
 440                         send_msg(MSG_DONE, "", 0);
 441                         if (keep_partial && !partial_dir)
 442                                 make_backups = 0; /* prevents double backup */
 443                         append_mode = 0;
 444                         continue;
 445                 }
 446
 447                 iflags = read_item_attrs(f_in, -1, i, &fnamecmp_type,
 448                                          xname, &xlen);
 449                 if (iflags == ITEM_IS_NEW) /* no-op packet */
 450                         continue;
 451
 452                 file = flist->files[i];
 453                 fname = local_name ? local_name : f_name_to(file, fbuf);
 454
 455                 if (verbose > 2)
 456                         rprintf(FINFO, "recv_files(%s)\n", safe_fname(fname));
 457
 458                 if (!(iflags & ITEM_TRANSFER)) {
 459                         maybe_log_item(file, iflags, itemizing, xname);
 460                         continue;
 461                 }
 462                 if (phase == 2) {
 463                         rprintf(FERROR,
 464                                 "got transfer request in phase 2 [%s]\n",
 465                                 who_am_i());
 466                         exit_cleanup(RERR_PROTOCOL);
 467                 }
 468
 469                 stats.current_file_index = i;
 470                 stats.num_transferred_files++;
 471                 stats.total_transferred_size += file->length;
 472                 cleanup_got_literal = 0;
 473
 474                 if (server_filter_list.head
 475                     && check_filter(&server_filter_list, fname, 0) < 0) {
 476                         rprintf(FERROR, "attempt to hack rsync failed.\n");
 477                         exit_cleanup(RERR_PROTOCOL);
 478                 }
 479
 480                 if (!do_xfers) { /* log the transfer */
 481                         if (!am_server && log_format)
 482                                 log_item(file, &stats, iflags, NULL);
 483                         if (read_batch)
 484                                 discard_receive_data(f_in, file->length);
 485                         continue;
 486                 }
 487                 if (write_batch < 0) {
 488                         log_item(file, &stats, iflags, NULL);
 489                         if (!am_server)
 490                                 discard_receive_data(f_in, file->length);
 491                         continue;
 492                 }
 493
 494                 if (read_batch) {
 495                         next_gen_i = get_next_gen_i(batch_gen_fd, next_gen_i, i);
 496                         if (i < next_gen_i) {
 497                                 rprintf(FINFO, "(Skipping batched update for \"%s\")\n",
 498                                         safe_fname(fname));
 499                                 discard_receive_data(f_in, file->length);
 500                                 continue;
 501                         }
 502                         next_gen_i = -1;
 503                 }
 504
 505                 partialptr = partial_dir ? partial_dir_fname(fname) : fname;
 506
 507                 if (protocol_version >= 29) {
 508                         switch (fnamecmp_type) {
 509                         case FNAMECMP_FNAME:
 510                                 fnamecmp = fname;
 511                                 break;
 512                         case FNAMECMP_PARTIAL_DIR:
 513                                 fnamecmp = partialptr;
 514                                 break;
 515                         case FNAMECMP_BACKUP:
 516                                 fnamecmp = get_backup_name(fname);
 517                                 break;
 518                         case FNAMECMP_FUZZY:
 519                                 if (file->dirname) {
 520                                         pathjoin(fnamecmpbuf, MAXPATHLEN,
 521                                                  file->dirname, xname);
 522                                         fnamecmp = fnamecmpbuf;
 523                                 } else
 524                                         fnamecmp = xname;
 525                                 break;
 526                         default:
 527                                 if (fnamecmp_type >= basis_dir_cnt) {
 528                                         rprintf(FERROR,
 529                                                 "invalid basis_dir index: %d.\n",
 530                                                 fnamecmp_type);
 531                                         exit_cleanup(RERR_PROTOCOL);
 532                                 }
 533                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
 534                                          basis_dir[fnamecmp_type], fname);
 535                                 fnamecmp = fnamecmpbuf;
 536                                 break;
 537                         }
 538                         if (!fnamecmp || (server_filter_list.head
 539                           && check_filter(&server_filter_list, fname, 0) < 0))
 540                                 fnamecmp = fname;
 541                 } else {
 542                         /* Reminder: --inplace && --partial-dir are never
 543                          * enabled at the same time. */
 544                         if (inplace && make_backups) {
 545                                 if (!(fnamecmp = get_backup_name(fname)))
 546                                         fnamecmp = fname;
 547                         } else if (partial_dir && partialptr)
 548                                 fnamecmp = partialptr;
 549                         else
 550                                 fnamecmp = fname;
 551                 }
 552
 553                 initial_stats = stats;
 554
 555                 /* open the file */
 556                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
 557
 558                 if (fd1 == -1 && protocol_version < 29) {
 559                         if (fnamecmp != fname) {
 560                                 fnamecmp = fname;
 561                                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
 562                         }
 563
 564                         if (fd1 == -1 && basis_dir[0]) {
 565                                 /* pre-29 allowed only one alternate basis */
 566                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
 567                                          basis_dir[0], fname);
 568                                 fnamecmp = fnamecmpbuf;
 569                                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
 570                         }
 571                 }
 572
 573                 if (fd1 != -1 && do_fstat(fd1,&st) != 0) {
 574                         rsyserr(FERROR, errno, "fstat %s failed",
 575                                 full_fname(fnamecmp));
 576                         discard_receive_data(f_in, file->length);
 577                         close(fd1);
 578                         continue;
 579                 }
 580
 581                 if (fd1 != -1 && S_ISDIR(st.st_mode) && fnamecmp == fname) {
 582                         /* this special handling for directories
 583                          * wouldn't be necessary if robust_rename()
 584                          * and the underlying robust_unlink could cope
 585                          * with directories
 586                          */
 587                         rprintf(FERROR,"recv_files: %s is a directory\n",
 588                                 full_fname(fnamecmp));
 589                         discard_receive_data(f_in, file->length);
 590                         close(fd1);
 591                         continue;
 592                 }
 593
 594                 if (fd1 != -1 && !S_ISREG(st.st_mode)) {
 595                         close(fd1);
 596                         fd1 = -1;
 597                 }
 598
 599                 if (fd1 != -1 && !preserve_perms) {
 600                         /* if the file exists already and we aren't preserving
 601                          * permissions then act as though the remote end sent
 602                          * us the file permissions we already have */
 603                         file->mode = st.st_mode;
 604                 }
 605
 606                 /* We now check to see if we are writing file "inplace" */
 607                 if (inplace)  {
 608                         fd2 = do_open(fname, O_WRONLY|O_CREAT, 0);
 609                         if (fd2 == -1) {
 610                                 rsyserr(FERROR, errno, "open %s failed",
 611                                         full_fname(fname));
 612                                 discard_receive_data(f_in, file->length);
 613                                 if (fd1 != -1)
 614                                         close(fd1);
 615                                 continue;
 616                         }
 617                 } else {
 618                         if (!get_tmpname(fnametmp,fname)) {
 619                                 discard_receive_data(f_in, file->length);
 620                                 if (fd1 != -1)
 621                                         close(fd1);
 622                                 continue;
 623                         }
 624
 625                         /* we initially set the perms without the
 626                          * setuid/setgid bits to ensure that there is no race
 627                          * condition. They are then correctly updated after
 628                          * the lchown. Thanks to snabb@epipe.fi for pointing
 629                          * this out.  We also set it initially without group
 630                          * access because of a similar race condition. */
 631                         fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
 632
 633                         /* in most cases parent directories will already exist
 634                          * because their information should have been previously
 635                          * transferred, but that may not be the case with -R */
 636                         if (fd2 == -1 && relative_paths && errno == ENOENT
 637                             && create_directory_path(fnametmp, orig_umask) == 0) {
 638                                 /* Get back to name with XXXXXX in it. */
 639                                 get_tmpname(fnametmp, fname);
 640                                 fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
 641                         }
 642                         if (fd2 == -1) {
 643                                 rsyserr(FERROR, errno, "mkstemp %s failed",
 644                                         full_fname(fnametmp));
 645                                 discard_receive_data(f_in, file->length);
 646                                 if (fd1 != -1)
 647                                         close(fd1);
 648                                 continue;
 649                         }
 650
 651                         if (partialptr)
 652                                 cleanup_set(fnametmp, partialptr, file, fd1, fd2);
 653                 }
 654
 655                 /* log the transfer */
 656                 if (log_before_transfer)
 657                         log_item(file, &initial_stats, iflags, NULL);
 658                 else if (!am_server && verbose && do_progress)
 659                         rprintf(FINFO, "%s\n", safe_fname(fname));
 660
 661                 /* recv file data */
 662                 recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size,
 663                                        fname, fd2, file->length);
 664
 665                 if (!log_before_transfer)
 666                         log_item(file, &initial_stats, iflags, NULL);
 667
 668                 if (fd1 != -1)
 669                         close(fd1);
 670                 if (close(fd2) < 0) {
 671                         rsyserr(FERROR, errno, "close failed on %s",
 672                                 full_fname(fnametmp));
 673                         exit_cleanup(RERR_FILEIO);
 674                 }
 675
 676                 if ((recv_ok && (!delay_updates || !partialptr)) || inplace) {
 677                         finish_transfer(fname, fnametmp, file, recv_ok, 1);
 678                         if (partialptr != fname && fnamecmp == partialptr) {
 679                                 do_unlink(partialptr);
 680                                 handle_partial_dir(partialptr, PDIR_DELETE);
 681                         }
 682                 } else if (keep_partial && partialptr
 683                     && handle_partial_dir(partialptr, PDIR_CREATE)) {
 684                         finish_transfer(partialptr, fnametmp, file, recv_ok,
 685                                         !partial_dir);
 686                         if (delay_updates && recv_ok) {
 687                                 set_delayed_bit(i);
 688                                 recv_ok = -1;
 689                         }
 690                 } else {
 691                         partialptr = NULL;
 692                         do_unlink(fnametmp);
 693                 }
 694
 695                 cleanup_disable();
 696
 697                 if (recv_ok > 0) {
 698                         if (remove_sent_files
 699                             || (preserve_hard_links && file->link_u.links)) {
 700                                 SIVAL(numbuf, 0, i);
 701                                 send_msg(MSG_SUCCESS, numbuf, 4);
 702                         }
 703                 } else if (!recv_ok) {
 704                         int msgtype = phase || read_batch ? FERROR : FINFO;
 705                         if (msgtype == FERROR || verbose) {
 706                                 char *errstr, *redostr, *keptstr;
 707                                 if (!(keep_partial && partialptr) && !inplace)
 708                                         keptstr = "discarded";
 709                                 else if (partial_dir)
 710                                         keptstr = "put into partial-dir";
 711                                 else
 712                                         keptstr = "retained";
 713                                 if (msgtype == FERROR) {
 714                                         errstr = "ERROR";
 715                                         redostr = "";
 716                                 } else {
 717                                         errstr = "WARNING";
 718                                         redostr = " (will try again)";
 719                                 }
 720                                 rprintf(msgtype,
 721                                         "%s: %s failed verification -- update %s%s.\n",
 722                                         errstr, safe_fname(fname),
 723                                         keptstr, redostr);
 724                         }
 725                         if (!phase) {
 726                                 SIVAL(numbuf, 0, i);
 727                                 send_msg(MSG_REDO, numbuf, 4);
 728                         }
 729                 }
 730         }
 731         make_backups = save_make_backups;
 732
 733         if (phase == 2 && delay_updates) /* for protocol_version < 29 */
 734                 handle_delayed_updates(flist, local_name);
 735
 736         if (verbose > 2)
 737                 rprintf(FINFO,"recv_files finished\n");
 738
 739         return 0;
 740 }