generator.c

   1 /* -*- c-file-style: "linux" -*-
   2
   3    rsync -- fast file replication program
   4
   5    Copyright (C) 1996-2000 by Andrew Tridgell
   6    Copyright (C) Paul Mackerras 1996
   7    Copyright (C) 2002 by Martin Pool <mbp@samba.org>
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 2 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22 */
  23
  24 #include "rsync.h"
  25
  26 extern int verbose;
  27 extern int dry_run;
  28 extern int log_format_has_i;
  29 extern int log_format_has_o_or_i;
  30 extern int daemon_log_format_has_i;
  31 extern int am_root;
  32 extern int am_server;
  33 extern int am_daemon;
  34 extern int do_progress;
  35 extern int recurse;
  36 extern int relative_paths;
  37 extern int keep_dirlinks;
  38 extern int preserve_links;
  39 extern int preserve_devices;
  40 extern int preserve_hard_links;
  41 extern int preserve_perms;
  42 extern int preserve_uid;
  43 extern int preserve_gid;
  44 extern int preserve_times;
  45 extern int omit_dir_times;
  46 extern int delete_before;
  47 extern int delete_during;
  48 extern int delete_after;
  49 extern int module_id;
  50 extern int ignore_errors;
  51 extern int remove_sent_files;
  52 extern int delay_updates;
  53 extern int update_only;
  54 extern int opt_ignore_existing;
  55 extern int inplace;
  56 extern int make_backups;
  57 extern int csum_length;
  58 extern int ignore_times;
  59 extern int size_only;
  60 extern OFF_T max_size;
  61 extern int io_timeout;
  62 extern int io_error;
  63 extern int sock_f_out;
  64 extern int ignore_timeout;
  65 extern int protocol_version;
  66 extern int fuzzy_basis;
  67 extern int always_checksum;
  68 extern char *partial_dir;
  69 extern char *basis_dir[];
  70 extern int compare_dest;
  71 extern int copy_dest;
  72 extern int link_dest;
  73 extern int whole_file;
  74 extern int list_only;
  75 extern int read_batch;
  76 extern int only_existing;
  77 extern int orig_umask;
  78 extern int safe_symlinks;
  79 extern long block_size; /* "long" because popt can't set an int32. */
  80 extern int max_delete;
  81 extern int force_delete;
  82 extern int one_file_system;
  83 extern struct stats stats;
  84 extern dev_t filesystem_dev;
  85 extern char *backup_dir;
  86 extern char *backup_suffix;
  87 extern int backup_suffix_len;
  88 extern struct file_list *the_file_list;
  89 extern struct filter_list_struct server_filter_list;
  90
  91 int allowed_lull = 0;
  92
  93 static int deletion_count = 0; /* used to implement --max-delete */
  94
  95
  96 static int is_backup_file(char *fn)
  97 {
  98         int k = strlen(fn) - backup_suffix_len;
  99         return k > 0 && strcmp(fn+k, backup_suffix) == 0;
 100 }
 101
 102
 103 /* Delete a file or directory.  If DEL_FORCE_RECURSE is set in the flags, or if
 104  * force_delete is set, this will delete recursively as long as DEL_NO_RECURSE
 105  * is not set in the flags. */
 106 static int delete_item(char *fname, int mode, int flags)
 107 {
 108         struct file_list *dirlist;
 109         char buf[MAXPATHLEN];
 110         int j, dlen, zap_dir, ok;
 111         void *save_filters;
 112
 113         if (!S_ISDIR(mode)) {
 114                 if (max_delete && ++deletion_count > max_delete)
 115                         return 0;
 116                 if (make_backups && (backup_dir || !is_backup_file(fname)))
 117                         ok = make_backup(fname);
 118                 else
 119                         ok = robust_unlink(fname) == 0;
 120                 if (ok) {
 121                         if (!(flags & DEL_TERSE))
 122                                 log_delete(fname, mode);
 123                         return 0;
 124                 }
 125                 if (errno == ENOENT) {
 126                         deletion_count--;
 127                         return 0;
 128                 }
 129                 rsyserr(FERROR, errno, "delete_file: unlink %s failed",
 130                         full_fname(fname));
 131                 return -1;
 132         }
 133
 134         zap_dir = (flags & DEL_FORCE_RECURSE || (force_delete && recurse))
 135                 && !(flags & DEL_NO_RECURSE);
 136         if ((max_delete && ++deletion_count > max_delete)
 137             || (dry_run && zap_dir)) {
 138                 ok = 0;
 139                 errno = ENOTEMPTY;
 140         } else if (make_backups && !backup_dir && !is_backup_file(fname)
 141             && !(flags & DEL_FORCE_RECURSE))
 142                 ok = make_backup(fname);
 143         else
 144                 ok = do_rmdir(fname) == 0;
 145         if (ok) {
 146                 if (!(flags & DEL_TERSE))
 147                         log_delete(fname, mode);
 148                 return 0;
 149         }
 150         if (errno == ENOENT) {
 151                 deletion_count--;
 152                 return 0;
 153         }
 154         if (!zap_dir || (errno != ENOTEMPTY && errno != EEXIST)) {
 155                 rsyserr(FERROR, errno, "delete_file: rmdir %s failed",
 156                         full_fname(fname));
 157                 return -1;
 158         }
 159         flags |= DEL_FORCE_RECURSE; /* mark subdir dels as not "in the way" */
 160         deletion_count--;
 161
 162         dlen = strlcpy(buf, fname, MAXPATHLEN);
 163         save_filters = push_local_filters(buf, dlen);
 164
 165         dirlist = get_dirlist(buf, dlen, 0);
 166         for (j = dirlist->count; j--; ) {
 167                 struct file_struct *fp = dirlist->files[j];
 168
 169                 if (fp->flags & FLAG_MOUNT_POINT)
 170                         continue;
 171
 172                 f_name_to(fp, buf);
 173                 if (delete_item(buf, fp->mode, flags & ~DEL_TERSE) != 0) {
 174                         flist_free(dirlist);
 175                         return -1;
 176                 }
 177         }
 178         flist_free(dirlist);
 179
 180         pop_local_filters(save_filters);
 181
 182         if (max_delete && ++deletion_count > max_delete)
 183                 return 0;
 184
 185         if (do_rmdir(fname) == 0) {
 186                 if (!(flags & DEL_TERSE))
 187                         log_delete(fname, mode);
 188         } else if (errno != ENOTEMPTY && errno != ENOENT) {
 189                 rsyserr(FERROR, errno, "delete_file: rmdir %s failed",
 190                         full_fname(fname));
 191                 return -1;
 192         }
 193
 194         return 0;
 195 }
 196
 197
 198 /* This function is used to implement per-directory deletion, and is used by
 199  * all the --delete-WHEN options.  Note that the fbuf pointer must point to a
 200  * MAXPATHLEN buffer with the name of the directory in it (the functions we
 201  * call will append names onto the end, but the old dir value will be restored
 202  * on exit). */
 203 static void delete_in_dir(struct file_list *flist, char *fbuf,
 204                           struct file_struct *file)
 205 {
 206         static int min_depth = MAXPATHLEN, cur_depth = -1;
 207         static void *filt_array[MAXPATHLEN/2+1];
 208         static int already_warned = 0;
 209         struct file_list *dirlist;
 210         char delbuf[MAXPATHLEN];
 211         STRUCT_STAT st;
 212         int dlen, i;
 213
 214         if (!flist) {
 215                 while (cur_depth >= min_depth)
 216                         pop_local_filters(filt_array[cur_depth--]);
 217                 min_depth = MAXPATHLEN;
 218                 cur_depth = -1;
 219                 return;
 220         }
 221
 222         if (verbose > 2)
 223                 rprintf(FINFO, "delete_in_dir(%s)\n", safe_fname(fbuf));
 224
 225         if (allowed_lull)
 226                 maybe_send_keepalive();
 227
 228         if (file->dir.depth >= MAXPATHLEN/2+1)
 229                 return; /* Impossible... */
 230
 231         if (io_error && !(lp_ignore_errors(module_id) || ignore_errors)) {
 232                 if (already_warned)
 233                         return;
 234                 rprintf(FINFO,
 235                         "IO error encountered -- skipping file deletion\n");
 236                 already_warned = 1;
 237                 return;
 238         }
 239
 240         while (cur_depth >= file->dir.depth && cur_depth >= min_depth)
 241                 pop_local_filters(filt_array[cur_depth--]);
 242         cur_depth = file->dir.depth;
 243         if (min_depth > cur_depth)
 244                 min_depth = cur_depth;
 245         dlen = strlen(fbuf);
 246         filt_array[cur_depth] = push_local_filters(fbuf, dlen);
 247
 248         if (link_stat(fbuf, &st, keep_dirlinks) < 0)
 249                 return;
 250
 251         if (one_file_system && file->flags & FLAG_TOP_DIR)
 252                 filesystem_dev = st.st_dev;
 253
 254         dirlist = get_dirlist(fbuf, dlen, 0);
 255
 256         /* If an item in dirlist is not found in flist, delete it
 257          * from the filesystem. */
 258         for (i = dirlist->count; i--; ) {
 259                 if (!dirlist->files[i]->basename)
 260                         continue;
 261                 if (flist_find(flist, dirlist->files[i]) < 0) {
 262                         int mode = dirlist->files[i]->mode;
 263                         f_name_to(dirlist->files[i], delbuf);
 264                         if (delete_item(delbuf, mode, DEL_FORCE_RECURSE) < 0)
 265                                 break;
 266                 }
 267         }
 268
 269         flist_free(dirlist);
 270 }
 271
 272 /* This deletes any files on the receiving side that are not present on the
 273  * sending side.  This is used by --delete-before and --delete-after. */
 274 static void do_delete_pass(struct file_list *flist)
 275 {
 276         char fbuf[MAXPATHLEN];
 277         int j;
 278
 279         if (dry_run > 1) /* destination doesn't exist yet */
 280                 return;
 281
 282         for (j = 0; j < flist->count; j++) {
 283                 struct file_struct *file = flist->files[j];
 284
 285                 if (!(file->flags & FLAG_DEL_HERE))
 286                         continue;
 287
 288                 f_name_to(file, fbuf);
 289                 if (verbose > 1 && file->flags & FLAG_TOP_DIR)
 290                         rprintf(FINFO, "deleting in %s\n", safe_fname(fbuf));
 291
 292                 delete_in_dir(flist, fbuf, file);
 293         }
 294         if (do_progress && !am_server)
 295                 rprintf(FINFO, "                    \r");
 296 }
 297
 298 static int unchanged_attrs(struct file_struct *file, STRUCT_STAT *st)
 299 {
 300         if (preserve_perms
 301          && (st->st_mode & CHMOD_BITS) != (file->mode & CHMOD_BITS))
 302                 return 0;
 303
 304         if (am_root && preserve_uid && st->st_uid != file->uid)
 305                 return 0;
 306
 307         if (preserve_gid && file->gid != GID_NONE && st->st_gid != file->gid)
 308                 return 0;
 309
 310         return 1;
 311 }
 312
 313
 314 void itemize(struct file_struct *file, int ndx, int statret, STRUCT_STAT *st,
 315              int32 iflags, uchar fnamecmp_type, char *xname)
 316 {
 317         if (statret == 0) {
 318                 if (S_ISREG(file->mode) && file->length != st->st_size)
 319                         iflags |= ITEM_REPORT_SIZE;
 320                 if (!(iflags & ITEM_NO_DEST_AND_NO_UPDATE)) {
 321                         int keep_time = !preserve_times ? 0
 322                             : S_ISDIR(file->mode) ? !omit_dir_times
 323                             : !S_ISLNK(file->mode);
 324
 325                         if ((iflags & (ITEM_TRANSFER|ITEM_LOCAL_CHANGE) && !keep_time)
 326                             || (keep_time && file->modtime != st->st_mtime))
 327                                 iflags |= ITEM_REPORT_TIME;
 328                         if (preserve_perms && file->mode != st->st_mode)
 329                                 iflags |= ITEM_REPORT_PERMS;
 330                         if (preserve_uid && am_root && file->uid != st->st_uid)
 331                                 iflags |= ITEM_REPORT_OWNER;
 332                         if (preserve_gid && file->gid != GID_NONE
 333                             && st->st_gid != file->gid)
 334                                 iflags |= ITEM_REPORT_GROUP;
 335                 }
 336         } else
 337                 iflags |= ITEM_IS_NEW;
 338
 339         iflags &= 0xffff;
 340         if ((iflags & SIGNIFICANT_ITEM_FLAGS || verbose > 1
 341           || (xname && *xname)) && !read_batch) {
 342                 if (protocol_version >= 29) {
 343                         if (ndx >= 0)
 344                                 write_int(sock_f_out, ndx);
 345                         write_shortint(sock_f_out, iflags);
 346                         if (iflags & ITEM_BASIS_TYPE_FOLLOWS)
 347                                 write_byte(sock_f_out, fnamecmp_type);
 348                         if (iflags & ITEM_XNAME_FOLLOWS)
 349                                 write_vstring(sock_f_out, xname, strlen(xname));
 350                 } else if (ndx >= 0)
 351                         log_item(file, &stats, iflags, xname);
 352         }
 353 }
 354
 355
 356 /* Perform our quick-check heuristic for determining if a file is unchanged. */
 357 static int unchanged_file(char *fn, struct file_struct *file, STRUCT_STAT *st)
 358 {
 359         if (st->st_size != file->length)
 360                 return 0;
 361
 362         /* if always checksum is set then we use the checksum instead
 363            of the file time to determine whether to sync */
 364         if (always_checksum && S_ISREG(st->st_mode)) {
 365                 char sum[MD4_SUM_LENGTH];
 366                 file_checksum(fn, sum, st->st_size);
 367                 return memcmp(sum, file->u.sum, protocol_version < 21 ? 2
 368                                                         : MD4_SUM_LENGTH) == 0;
 369         }
 370
 371         if (size_only)
 372                 return 1;
 373
 374         if (ignore_times)
 375                 return 0;
 376
 377         return cmp_modtime(st->st_mtime, file->modtime) == 0;
 378 }
 379
 380
 381 /*
 382  * set (initialize) the size entries in the per-file sum_struct
 383  * calculating dynamic block and checksum sizes.
 384  *
 385  * This is only called from generate_and_send_sums() but is a separate
 386  * function to encapsulate the logic.
 387  *
 388  * The block size is a rounded square root of file length.
 389  *
 390  * The checksum size is determined according to:
 391  *     blocksum_bits = BLOCKSUM_BIAS + 2*log2(file_len) - log2(block_len)
 392  * provided by Donovan Baarda which gives a probability of rsync
 393  * algorithm corrupting data and falling back using the whole md4
 394  * checksums.
 395  *
 396  * This might be made one of several selectable heuristics.
 397  */
 398 static void sum_sizes_sqroot(struct sum_struct *sum, int64 len)
 399 {
 400         int32 blength;
 401         int s2length;
 402
 403         if (block_size)
 404                 blength = block_size;
 405         else if (len <= BLOCK_SIZE * BLOCK_SIZE)
 406                 blength = BLOCK_SIZE;
 407         else {
 408                 int32 c;
 409                 int64 l;
 410                 int cnt;
 411                 for (c = 1, l = len, cnt = 0; l >>= 2; c <<= 1, cnt++) {}
 412                 if (cnt >= 31 || c >= MAX_BLOCK_SIZE)
 413                         blength = MAX_BLOCK_SIZE;
 414                 else {
 415                     blength = 0;
 416                     do {
 417                             blength |= c;
 418                             if (len < (int64)blength * blength)
 419                                     blength &= ~c;
 420                             c >>= 1;
 421                     } while (c >= 8);   /* round to multiple of 8 */
 422                     blength = MAX(blength, BLOCK_SIZE);
 423                 }
 424         }
 425
 426         if (protocol_version < 27) {
 427                 s2length = csum_length;
 428         } else if (csum_length == SUM_LENGTH) {
 429                 s2length = SUM_LENGTH;
 430         } else {
 431                 int32 c;
 432                 int64 l;
 433                 int b = BLOCKSUM_BIAS;
 434                 for (l = len; l >>= 1; b += 2) {}
 435                 for (c = blength; c >>= 1 && b; b--) {}
 436                 /* add a bit, subtract rollsum, round up. */
 437                 s2length = (b + 1 - 32 + 7) / 8; /* --optimize in compiler-- */
 438                 s2length = MAX(s2length, csum_length);
 439                 s2length = MIN(s2length, SUM_LENGTH);
 440         }
 441
 442         sum->flength    = len;
 443         sum->blength    = blength;
 444         sum->s2length   = s2length;
 445         sum->count      = (len + (blength - 1)) / blength;
 446         sum->remainder  = (len % blength);
 447
 448         if (sum->count && verbose > 2) {
 449                 rprintf(FINFO,
 450                         "count=%.0f rem=%ld blength=%ld s2length=%d flength=%.0f\n",
 451                         (double)sum->count, (long)sum->remainder, (long)sum->blength,
 452                         sum->s2length, (double)sum->flength);
 453         }
 454 }
 455
 456
 457 /*
 458  * Generate and send a stream of signatures/checksums that describe a buffer
 459  *
 460  * Generate approximately one checksum every block_len bytes.
 461  */
 462 static void generate_and_send_sums(int fd, OFF_T len, int f_out, int f_copy)
 463 {
 464         int32 i;
 465         struct map_struct *mapbuf;
 466         struct sum_struct sum;
 467         OFF_T offset = 0;
 468
 469         sum_sizes_sqroot(&sum, len);
 470
 471         if (len > 0)
 472                 mapbuf = map_file(fd, len, MAX_MAP_SIZE, sum.blength);
 473         else
 474                 mapbuf = NULL;
 475
 476         write_sum_head(f_out, &sum);
 477
 478         for (i = 0; i < sum.count; i++) {
 479                 int32 n1 = (int32)MIN(len, (OFF_T)sum.blength);
 480                 char *map = map_ptr(mapbuf, offset, n1);
 481                 uint32 sum1 = get_checksum1(map, n1);
 482                 char sum2[SUM_LENGTH];
 483
 484                 if (f_copy >= 0)
 485                         full_write(f_copy, map, n1);
 486
 487                 get_checksum2(map, n1, sum2);
 488
 489                 if (verbose > 3) {
 490                         rprintf(FINFO,
 491                                 "chunk[%.0f] offset=%.0f len=%ld sum1=%08lx\n",
 492                                 (double)i, (double)offset, (long)n1,
 493                                 (unsigned long)sum1);
 494                 }
 495                 write_int(f_out, sum1);
 496                 write_buf(f_out, sum2, sum.s2length);
 497                 len -= n1;
 498                 offset += n1;
 499         }
 500
 501         if (mapbuf)
 502                 unmap_file(mapbuf);
 503 }
 504
 505
 506 /* Try to find a filename in the same dir as "fname" with a similar name. */
 507 static int find_fuzzy(struct file_struct *file, struct file_list *dirlist)
 508 {
 509         int fname_len, fname_suf_len;
 510         const char *fname_suf, *fname = file->basename;
 511         uint32 lowest_dist = 25 << 16; /* ignore a distance greater than 25 */
 512         int j, lowest_j = -1;
 513
 514         fname_len = strlen(fname);
 515         fname_suf = find_filename_suffix(fname, fname_len, &fname_suf_len);
 516
 517         for (j = 0; j < dirlist->count; j++) {
 518                 struct file_struct *fp = dirlist->files[j];
 519                 const char *suf, *name;
 520                 int len, suf_len;
 521                 uint32 dist;
 522
 523                 if (!S_ISREG(fp->mode) || !fp->length
 524                     || fp->flags & FLAG_NO_FUZZY)
 525                         continue;
 526
 527                 name = fp->basename;
 528
 529                 if (fp->length == file->length
 530                     && fp->modtime == file->modtime) {
 531                         if (verbose > 4) {
 532                                 rprintf(FINFO,
 533                                         "fuzzy size/modtime match for %s\n",
 534                                         name);
 535                         }
 536                         return j;
 537                 }
 538
 539                 len = strlen(name);
 540                 suf = find_filename_suffix(name, len, &suf_len);
 541
 542                 dist = fuzzy_distance(name, len, fname, fname_len);
 543                 /* Add some extra weight to how well the suffixes match. */
 544                 dist += fuzzy_distance(suf, suf_len, fname_suf, fname_suf_len)
 545                       * 10;
 546                 if (verbose > 4) {
 547                         rprintf(FINFO, "fuzzy distance for %s = %d.%05d\n",
 548                                 name, (int)(dist>>16), (int)(dist&0xFFFF));
 549                 }
 550                 if (dist <= lowest_dist) {
 551                         lowest_dist = dist;
 552                         lowest_j = j;
 553                 }
 554         }
 555
 556         return lowest_j;
 557 }
 558
 559 void check_for_finished_hlinks(int itemizing, enum logcode code)
 560 {
 561         struct file_struct *file;
 562         int ndx;
 563
 564         while ((ndx = get_hlink_num()) != -1) {
 565                 if (ndx < 0 || ndx >= the_file_list->count)
 566                         continue;
 567
 568                 file = the_file_list->files[ndx];
 569                 if (!file->link_u.links)
 570                         continue;
 571
 572                 hard_link_cluster(file, ndx, itemizing, code);
 573         }
 574 }
 575
 576 static int phase = 0;
 577
 578 /* Acts on the_file_list->file's ndx'th item, whose name is fname.  If a dir,
 579  * make sure it exists, and has the right permissions/timestamp info.  For
 580  * all other non-regular files (symlinks, etc.) we create them here.  For
 581  * regular files that have changed, we try to find a basis file and then
 582  * start sending checksums.
 583  *
 584  * Note that f_out is set to -1 when doing final directory-permission and
 585  * modification-time repair. */
 586 static void recv_generator(char *fname, struct file_struct *file, int ndx,
 587                            int itemizing, int maybe_PERMS_REPORT,
 588                            enum logcode code, int f_out)
 589 {
 590         static int missing_below = -1, excluded_below = -1;
 591         static char *fuzzy_dirname = "";
 592         static struct file_list *fuzzy_dirlist = NULL;
 593         struct file_struct *fuzzy_file = NULL;
 594         int fd = -1, f_copy = -1;
 595         STRUCT_STAT st, real_st, partial_st;
 596         struct file_struct *back_file = NULL;
 597         int statret, real_ret, stat_errno;
 598         char *fnamecmp, *partialptr, *backupptr = NULL;
 599         char fnamecmpbuf[MAXPATHLEN];
 600         uchar fnamecmp_type;
 601
 602         if (list_only)
 603                 return;
 604
 605         if (!fname) {
 606                 if (fuzzy_dirlist) {
 607                         flist_free(fuzzy_dirlist);
 608                         fuzzy_dirlist = NULL;
 609                         fuzzy_dirname = "";
 610                 }
 611                 if (missing_below >= 0) {
 612                         dry_run--;
 613                         missing_below = -1;
 614                 }
 615                 return;
 616         }
 617
 618         if (verbose > 2) {
 619                 rprintf(FINFO, "recv_generator(%s,%d)\n",
 620                         safe_fname(fname), ndx);
 621         }
 622
 623         if (server_filter_list.head) {
 624                 if (excluded_below >= 0) {
 625                         if (file->dir.depth > excluded_below)
 626                                 goto skipping;
 627                         excluded_below = -1;
 628                 }
 629                 if (check_filter(&server_filter_list, fname,
 630                                  S_ISDIR(file->mode)) < 0) {
 631                         if (S_ISDIR(file->mode))
 632                                 excluded_below = file->dir.depth;
 633                     skipping:
 634                         if (verbose) {
 635                                 rprintf(FINFO,
 636                                         "skipping server-excluded file \"%s\"\n",
 637                                         safe_fname(fname));
 638                         }
 639                         return;
 640                 }
 641         }
 642
 643         if (missing_below >= 0 && file->dir.depth <= missing_below) {
 644                 dry_run--;
 645                 missing_below = -1;
 646         }
 647         if (dry_run > 1) {
 648                 statret = -1;
 649                 stat_errno = ENOENT;
 650         } else {
 651                 if (fuzzy_basis && S_ISREG(file->mode)) {
 652                         char *dn = file->dirname ? file->dirname : ".";
 653                         if (fuzzy_dirname != dn
 654                             && strcmp(fuzzy_dirname, dn) != 0) {
 655                                 if (fuzzy_dirlist)
 656                                         flist_free(fuzzy_dirlist);
 657                                 fuzzy_dirlist = get_dirlist(dn, -1, 1);
 658                         }
 659                         fuzzy_dirname = dn;
 660                 }
 661
 662                 statret = link_stat(fname, &st,
 663                                     keep_dirlinks && S_ISDIR(file->mode));
 664                 stat_errno = errno;
 665         }
 666
 667         if (only_existing && statret == -1 && stat_errno == ENOENT) {
 668                 /* we only want to update existing files */
 669                 if (verbose > 1) {
 670                         rprintf(FINFO, "not creating new file \"%s\"\n",
 671                                 safe_fname(fname));
 672                 }
 673                 return;
 674         }
 675
 676         if (statret == 0 && !preserve_perms
 677             && S_ISDIR(st.st_mode) == S_ISDIR(file->mode)) {
 678                 /* if the file exists already and we aren't perserving
 679                  * permissions then act as though the remote end sent
 680                  * us the file permissions we already have */
 681                 file->mode = (file->mode & ~CHMOD_BITS)
 682                            | (st.st_mode & CHMOD_BITS);
 683         }
 684
 685         if (S_ISDIR(file->mode)) {
 686                 /* The file to be received is a directory, so we need
 687                  * to prepare appropriately.  If there is already a
 688                  * file of that name and it is *not* a directory, then
 689                  * we need to delete it.  If it doesn't exist, then
 690                  * (perhaps recursively) create it. */
 691                 if (statret == 0 && !S_ISDIR(st.st_mode)) {
 692                         if (delete_item(fname, st.st_mode, DEL_TERSE) < 0)
 693                                 return;
 694                         statret = -1;
 695                 }
 696                 if (dry_run && statret != 0 && missing_below < 0) {
 697                         missing_below = file->dir.depth;
 698                         dry_run++;
 699                 }
 700                 if (itemizing && f_out != -1) {
 701                         itemize(file, ndx, statret, &st,
 702                                 statret ? ITEM_LOCAL_CHANGE : 0, 0, NULL);
 703                 }
 704                 if (statret != 0 && do_mkdir(fname,file->mode) != 0 && errno != EEXIST) {
 705                         if (!relative_paths || errno != ENOENT
 706                             || create_directory_path(fname, orig_umask) < 0
 707                             || do_mkdir(fname, file->mode) < 0) {
 708                                 rsyserr(FERROR, errno,
 709                                         "recv_generator: mkdir %s failed",
 710                                         full_fname(fname));
 711                         }
 712                 }
 713                 if (set_perms(fname, file, statret ? NULL : &st, 0)
 714                     && verbose && code && f_out != -1)
 715                         rprintf(code, "%s/\n", safe_fname(fname));
 716                 if (delete_during && f_out != -1 && !phase && dry_run < 2
 717                     && (file->flags & FLAG_DEL_HERE))
 718                         delete_in_dir(the_file_list, fname, file);
 719                 return;
 720         }
 721
 722         if (max_size && file->length > max_size) {
 723                 if (verbose > 1) {
 724                         rprintf(FINFO, "%s is over max-size\n",
 725                                 safe_fname(fname));
 726                 }
 727                 return;
 728         }
 729
 730         if (preserve_links && S_ISLNK(file->mode)) {
 731 #ifdef SUPPORT_LINKS
 732                 if (safe_symlinks && unsafe_symlink(file->u.link, fname)) {
 733                         if (verbose) {
 734                                 rprintf(FINFO,
 735                                         "ignoring unsafe symlink %s -> \"%s\"\n",
 736                                         full_fname(fname),
 737                                         safe_fname(file->u.link));
 738                         }
 739                         return;
 740                 }
 741                 if (statret == 0) {
 742                         char lnk[MAXPATHLEN];
 743                         int len;
 744
 745                         if (!S_ISDIR(st.st_mode)
 746                             && (len = readlink(fname, lnk, MAXPATHLEN-1)) > 0) {
 747                                 lnk[len] = 0;
 748                                 /* A link already pointing to the
 749                                  * right place -- no further action
 750                                  * required. */
 751                                 if (strcmp(lnk, file->u.link) == 0) {
 752                                         if (itemizing) {
 753                                                 itemize(file, ndx, 0, &st, 0,
 754                                                         0, NULL);
 755                                         }
 756                                         set_perms(fname, file, &st,
 757                                                   maybe_PERMS_REPORT);
 758                                         return;
 759                                 }
 760                         }
 761                         /* Not the right symlink (or not a symlink), so
 762                          * delete it. */
 763                         if (delete_item(fname, st.st_mode, DEL_TERSE) < 0)
 764                                 return;
 765                         if (!S_ISLNK(st.st_mode))
 766                                 statret = -1;
 767                 }
 768                 if (do_symlink(file->u.link,fname) != 0) {
 769                         rsyserr(FERROR, errno, "symlink %s -> \"%s\" failed",
 770                                 full_fname(fname), safe_fname(file->u.link));
 771                 } else {
 772                         set_perms(fname,file,NULL,0);
 773                         if (itemizing) {
 774                                 itemize(file, ndx, statret, &st,
 775                                         ITEM_LOCAL_CHANGE, 0, NULL);
 776                         }
 777                         if (code && verbose) {
 778                                 rprintf(code, "%s -> %s\n", safe_fname(fname),
 779                                         safe_fname(file->u.link));
 780                         }
 781                         if (remove_sent_files && !dry_run) {
 782                                 char numbuf[4];
 783                                 SIVAL(numbuf, 0, ndx);
 784                                 send_msg(MSG_SUCCESS, numbuf, 4);
 785                         }
 786                 }
 787 #endif
 788                 return;
 789         }
 790
 791         if (am_root && preserve_devices && IS_DEVICE(file->mode)) {
 792                 if (statret != 0 ||
 793                     st.st_mode != file->mode ||
 794                     st.st_rdev != file->u.rdev) {
 795                         if (delete_item(fname, st.st_mode, DEL_TERSE) < 0)
 796                                 return;
 797                         if (!IS_DEVICE(st.st_mode))
 798                                 statret = -1;
 799                         if (verbose > 2) {
 800                                 rprintf(FINFO,"mknod(%s,0%o,0x%x)\n",
 801                                         safe_fname(fname),
 802                                         (int)file->mode, (int)file->u.rdev);
 803                         }
 804                         if (do_mknod(fname,file->mode,file->u.rdev) != 0) {
 805                                 rsyserr(FERROR, errno, "mknod %s failed",
 806                                         full_fname(fname));
 807                         } else {
 808                                 set_perms(fname,file,NULL,0);
 809                                 if (itemizing) {
 810                                         itemize(file, ndx, statret, &st,
 811                                                 ITEM_LOCAL_CHANGE, 0, NULL);
 812                                 }
 813                                 if (code && verbose) {
 814                                         rprintf(code, "%s\n",
 815                                                 safe_fname(fname));
 816                                 }
 817                         }
 818                 } else {
 819                         if (itemizing)
 820                                 itemize(file, ndx, statret, &st, 0, 0, NULL);
 821                         set_perms(fname, file, &st, maybe_PERMS_REPORT);
 822                 }
 823                 return;
 824         }
 825
 826         if (preserve_hard_links && hard_link_check(file, ndx, HL_CHECK_MASTER))
 827                 return;
 828
 829         if (!S_ISREG(file->mode)) {
 830                 rprintf(FINFO, "skipping non-regular file \"%s\"\n",
 831                         safe_fname(fname));
 832                 return;
 833         }
 834
 835         if (opt_ignore_existing && statret == 0) {
 836                 if (verbose > 1)
 837                         rprintf(FINFO, "%s exists\n", safe_fname(fname));
 838                 return;
 839         }
 840
 841         if (update_only && statret == 0
 842             && cmp_modtime(st.st_mtime, file->modtime) > 0) {
 843                 if (verbose > 1)
 844                         rprintf(FINFO, "%s is newer\n", safe_fname(fname));
 845                 return;
 846         }
 847
 848         fnamecmp = fname;
 849         fnamecmp_type = FNAMECMP_FNAME;
 850
 851         if (statret == 0 && !S_ISREG(st.st_mode)) {
 852                 if (delete_item(fname, st.st_mode, DEL_TERSE) != 0)
 853                         return;
 854                 statret = -1;
 855                 stat_errno = ENOENT;
 856         }
 857
 858         if (statret != 0 && basis_dir[0] != NULL) {
 859                 int best_match = -1;
 860                 int match_level = 0;
 861                 int i = 0;
 862                 do {
 863                         pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
 864                                  basis_dir[i], fname);
 865                         if (link_stat(fnamecmpbuf, &st, 0) < 0
 866                             || !S_ISREG(st.st_mode))
 867                                 continue;
 868                         switch (match_level) {
 869                         case 0:
 870                                 best_match = i;
 871                                 match_level = 1;
 872                                 /* FALL THROUGH */
 873                         case 1:
 874                                 if (!unchanged_file(fnamecmpbuf, file, &st))
 875                                         continue;
 876                                 best_match = i;
 877                                 match_level = 2;
 878                                 if (copy_dest)
 879                                         break;
 880                                 /* FALL THROUGH */
 881                         case 2:
 882                                 if (!unchanged_attrs(file, &st))
 883                                         continue;
 884                                 best_match = i;
 885                                 match_level = 3;
 886                                 break;
 887                         }
 888                         break;
 889                 } while (basis_dir[++i] != NULL);
 890                 if (match_level) {
 891                         statret = 0;
 892                         if (i != best_match) {
 893                                 i = best_match;
 894                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
 895                                          basis_dir[i], fname);
 896                                 if (link_stat(fnamecmpbuf, &st, 0) < 0) {
 897                                         match_level = 0;
 898                                         statret = -1;
 899                                         stat_errno = errno;
 900                                 }
 901                         }
 902 #ifdef HAVE_LINK
 903                         if (link_dest && match_level == 3) {
 904                                 if (hard_link_one(file, ndx, fname, -1, &st,
 905                                                   fnamecmpbuf, 1,
 906                                                   itemizing && verbose > 1,
 907                                                   code) == 0)
 908                                         return;
 909                                 if (verbose) {
 910                                         rsyserr(FINFO, errno, "link %s => %s",
 911                                                 full_fname(fnamecmpbuf),
 912                                                 safe_fname(fname));
 913                                 }
 914                                 match_level = 2;
 915                         }
 916 #endif
 917                         if (match_level == 2) {
 918                                 /* Copy the file locally. */
 919                                 if (copy_file(fnamecmpbuf, fname, file->mode) < 0) {
 920                                         if (verbose) {
 921                                                 rsyserr(FINFO, errno,
 922                                                         "copy_file %s => %s",
 923                                                         full_fname(fnamecmpbuf),
 924                                                         safe_fname(fname));
 925                                         }
 926                                         match_level = 0;
 927                                         statret = -1;
 928                                 } else {
 929                                         if (itemizing) {
 930                                                 itemize(file, ndx, 0, &st,
 931                                                         ITEM_LOCAL_CHANGE, 0,
 932                                                         NULL);
 933                                         } else if (verbose && code) {
 934                                                 rprintf(code, "%s\n",
 935                                                         safe_fname(fname));
 936                                         }
 937                                         set_perms(fname, file, NULL,
 938                                                   maybe_PERMS_REPORT);
 939                                         if (preserve_hard_links
 940                                             && file->link_u.links) {
 941                                                 hard_link_cluster(file, ndx,
 942                                                                   itemizing,
 943                                                                   code);
 944                                         }
 945                                         return;
 946                                 }
 947                         } else if (compare_dest || match_level == 1) {
 948                                 fnamecmp = fnamecmpbuf;
 949                                 fnamecmp_type = i;
 950                         }
 951                 }
 952         }
 953
 954         real_ret = statret;
 955         real_st = st;
 956
 957         if (partial_dir && (partialptr = partial_dir_fname(fname)) != NULL
 958             && link_stat(partialptr, &partial_st, 0) == 0
 959             && S_ISREG(partial_st.st_mode)) {
 960                 if (statret != 0)
 961                         goto prepare_to_open;
 962         } else
 963                 partialptr = NULL;
 964
 965         if (statret != 0 && fuzzy_basis && dry_run <= 1) {
 966                 int j = find_fuzzy(file, fuzzy_dirlist);
 967                 if (j >= 0) {
 968                         fuzzy_file = fuzzy_dirlist->files[j];
 969                         f_name_to(fuzzy_file, fnamecmpbuf);
 970                         if (verbose > 2) {
 971                                 rprintf(FINFO, "fuzzy basis selected for %s: %s\n",
 972                                         safe_fname(fname), safe_fname(fnamecmpbuf));
 973                         }
 974                         st.st_size = fuzzy_file->length;
 975                         statret = 0;
 976                         fnamecmp = fnamecmpbuf;
 977                         fnamecmp_type = FNAMECMP_FUZZY;
 978                 }
 979         }
 980
 981         if (statret != 0) {
 982                 if (preserve_hard_links && hard_link_check(file, ndx, HL_SKIP))
 983                         return;
 984                 if (stat_errno == ENOENT)
 985                         goto notify_others;
 986                 if (verbose > 1) {
 987                         rsyserr(FERROR, stat_errno,
 988                                 "recv_generator: failed to stat %s",
 989                                 full_fname(fname));
 990                 }
 991                 return;
 992         }
 993
 994         if (!compare_dest && fnamecmp_type <= FNAMECMP_BASIS_DIR_HIGH)
 995                 ;
 996         else if (fnamecmp_type == FNAMECMP_FUZZY)
 997                 ;
 998         else if (unchanged_file(fnamecmp, file, &st)) {
 999                 if (fnamecmp_type == FNAMECMP_FNAME) {
1000                         if (itemizing) {
1001                                 itemize(file, ndx, real_ret, &real_st,
1002                                         0, 0, NULL);
1003                         }
1004                         set_perms(fname, file, &st, maybe_PERMS_REPORT);
1005                         if (preserve_hard_links && file->link_u.links)
1006                                 hard_link_cluster(file, ndx, itemizing, code);
1007                         return;
1008                 }
1009                 /* Only --compare-dest gets here. */
1010                 itemize(file, ndx, real_ret, &real_st,
1011                         ITEM_NO_DEST_AND_NO_UPDATE, 0, NULL);
1012                 return;
1013         }
1014
1015 prepare_to_open:
1016         if (partialptr) {
1017                 st = partial_st;
1018                 fnamecmp = partialptr;
1019                 fnamecmp_type = FNAMECMP_PARTIAL_DIR;
1020                 statret = 0;
1021         }
1022
1023         if (dry_run || read_batch || whole_file)
1024                 goto notify_others;
1025
1026         if (fuzzy_basis) {
1027                 int j = flist_find(fuzzy_dirlist, file);
1028                 if (j >= 0) /* don't use changing file as future fuzzy basis */
1029                         fuzzy_dirlist->files[j]->flags |= FLAG_NO_FUZZY;
1030         }
1031
1032         /* open the file */
1033         fd = do_open(fnamecmp, O_RDONLY, 0);
1034
1035         if (fd == -1) {
1036                 rsyserr(FERROR, errno, "failed to open %s, continuing",
1037                         full_fname(fnamecmp));
1038             pretend_missing:
1039                 /* pretend the file didn't exist */
1040                 if (preserve_hard_links && hard_link_check(file, ndx, HL_SKIP))
1041                         return;
1042                 statret = real_ret = -1;
1043                 goto notify_others;
1044         }
1045
1046         if (inplace && make_backups && fnamecmp_type == FNAMECMP_FNAME) {
1047                 if (!(backupptr = get_backup_name(fname))) {
1048                         close(fd);
1049                         return;
1050                 }
1051                 if (!(back_file = make_file(fname, NULL, NO_FILTERS))) {
1052                         close(fd);
1053                         goto pretend_missing;
1054                 }
1055                 if (robust_unlink(backupptr) && errno != ENOENT) {
1056                         rsyserr(FERROR, errno, "unlink %s",
1057                                 full_fname(backupptr));
1058                         free(back_file);
1059                         close(fd);
1060                         return;
1061                 }
1062                 if ((f_copy = do_open(backupptr,
1063                     O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0600)) < 0) {
1064                         rsyserr(FERROR, errno, "open %s",
1065                                 full_fname(backupptr));
1066                         free(back_file);
1067                         close(fd);
1068                         return;
1069                 }
1070                 fnamecmp_type = FNAMECMP_BACKUP;
1071         }
1072
1073         if (verbose > 3) {
1074                 rprintf(FINFO, "gen mapped %s of size %.0f\n",
1075                         safe_fname(fnamecmp), (double)st.st_size);
1076         }
1077
1078         if (verbose > 2)
1079                 rprintf(FINFO, "generating and sending sums for %d\n", ndx);
1080
1081 notify_others:
1082         write_int(f_out, ndx);
1083         if (itemizing) {
1084                 int iflags = ITEM_TRANSFER;
1085                 if (always_checksum)
1086                         iflags |= ITEM_REPORT_CHECKSUM;
1087                 if (fnamecmp_type != FNAMECMP_FNAME)
1088                         iflags |= ITEM_BASIS_TYPE_FOLLOWS;
1089                 if (fnamecmp_type == FNAMECMP_FUZZY)
1090                         iflags |= ITEM_XNAME_FOLLOWS;
1091                 itemize(file, -1, real_ret, &real_st, iflags, fnamecmp_type,
1092                         fuzzy_file ? fuzzy_file->basename : NULL);
1093         }
1094
1095         if (dry_run) {
1096                 if (preserve_hard_links && file->link_u.links)
1097                         hard_link_cluster(file, ndx, itemizing, code);
1098                 return;
1099         }
1100         if (read_batch)
1101                 return;
1102
1103         if (statret != 0 || whole_file) {
1104                 write_sum_head(f_out, NULL);
1105                 return;
1106         }
1107
1108         generate_and_send_sums(fd, st.st_size, f_out, f_copy);
1109
1110         if (f_copy >= 0) {
1111                 close(f_copy);
1112                 set_perms(backupptr, back_file, NULL, 0);
1113                 if (verbose > 1) {
1114                         rprintf(FINFO, "backed up %s to %s\n",
1115                                 safe_fname(fname), safe_fname(backupptr));
1116                 }
1117                 free(back_file);
1118         }
1119
1120         close(fd);
1121 }
1122
1123
1124 void generate_files(int f_out, struct file_list *flist, char *local_name)
1125 {
1126         int i, lull_mod;
1127         char fbuf[MAXPATHLEN];
1128         int itemizing, maybe_PERMS_REPORT;
1129         enum logcode code;
1130         int need_retouch_dir_times = preserve_times && !omit_dir_times;
1131         int need_retouch_dir_perms = 0;
1132         int save_only_existing = only_existing;
1133         int save_opt_ignore_existing = opt_ignore_existing;
1134         int save_do_progress = do_progress;
1135         int save_make_backups = make_backups;
1136
1137         allowed_lull = read_batch ? 0 : (io_timeout + 1) / 2;
1138         lull_mod = allowed_lull * 5;
1139
1140         if (protocol_version >= 29) {
1141                 itemizing = 1;
1142                 maybe_PERMS_REPORT = log_format_has_i ? 0 : PERMS_REPORT;
1143                 code = daemon_log_format_has_i ? 0 : FLOG;
1144         } else if (am_daemon) {
1145                 itemizing = daemon_log_format_has_i && !dry_run;
1146                 maybe_PERMS_REPORT = PERMS_REPORT;
1147                 code = itemizing || dry_run ? FCLIENT : FINFO;
1148         } else if (!am_server) {
1149                 itemizing = log_format_has_i;
1150                 maybe_PERMS_REPORT = log_format_has_i ? 0 : PERMS_REPORT;
1151                 code = itemizing ? 0 : FINFO;
1152         } else {
1153                 itemizing = 0;
1154                 maybe_PERMS_REPORT = PERMS_REPORT;
1155                 code = FINFO;
1156         }
1157
1158         if (verbose > 2) {
1159                 rprintf(FINFO, "generator starting pid=%ld count=%d\n",
1160                         (long)getpid(), flist->count);
1161         }
1162
1163         if (delete_before && !local_name && flist->count > 0)
1164                 do_delete_pass(flist);
1165         do_progress = 0;
1166
1167         if (whole_file < 0)
1168                 whole_file = 0;
1169         if (verbose >= 2) {
1170                 rprintf(FINFO, "delta-transmission %s\n",
1171                         whole_file
1172                         ? "disabled for local transfer or --whole-file"
1173                         : "enabled");
1174         }
1175
1176         if (protocol_version < 29)
1177                 ignore_timeout = 1;
1178
1179         for (i = 0; i < flist->count; i++) {
1180                 struct file_struct *file = flist->files[i];
1181
1182                 if (!file->basename)
1183                         continue;
1184
1185                 recv_generator(local_name ? local_name : f_name_to(file, fbuf),
1186                                file, i, itemizing, maybe_PERMS_REPORT, code,
1187                                f_out);
1188
1189                 /* We need to ensure that any dirs we create have writeable
1190                  * permissions during the time we are putting files within
1191                  * them.  This is then fixed after the transfer is done. */
1192                 if (!am_root && S_ISDIR(file->mode) && !(file->mode & S_IWUSR)
1193                     && !list_only) {
1194                         int mode = file->mode | S_IWUSR; /* user write */
1195                         char *fname = local_name ? local_name : fbuf;
1196                         if (do_chmod(fname, mode & CHMOD_BITS) < 0) {
1197                                 rsyserr(FERROR, errno,
1198                                         "failed to modify permissions on %s",
1199                                         full_fname(fname));
1200                         }
1201                         need_retouch_dir_perms = 1;
1202                 }
1203
1204                 if (preserve_hard_links)
1205                         check_for_finished_hlinks(itemizing, code);
1206
1207                 if (allowed_lull && !(i % lull_mod))
1208                         maybe_send_keepalive();
1209                 else if (!(i % 200))
1210                         maybe_flush_socket();
1211         }
1212         recv_generator(NULL, NULL, 0, 0, 0, code, -1);
1213         if (delete_during)
1214                 delete_in_dir(NULL, NULL, NULL);
1215
1216         phase++;
1217         csum_length = SUM_LENGTH;
1218         only_existing = max_size = opt_ignore_existing = 0;
1219         update_only = always_checksum = size_only = 0;
1220         ignore_times = 1;
1221         make_backups = 0; /* avoid a duplicate backup for inplace processing */
1222
1223         /* We expect to just sit around now, so don't exit on a timeout.
1224          * If we really get a timeout then the other process should exit. */
1225         ignore_timeout = 1;
1226
1227         if (verbose > 2)
1228                 rprintf(FINFO,"generate_files phase=%d\n",phase);
1229
1230         write_int(f_out, -1);
1231
1232         /* files can cycle through the system more than once
1233          * to catch initial checksum errors */
1234         while ((i = get_redo_num(itemizing, code)) != -1) {
1235                 struct file_struct *file = flist->files[i];
1236                 recv_generator(local_name ? local_name : f_name_to(file, fbuf),
1237                                file, i, itemizing, maybe_PERMS_REPORT, code,
1238                                f_out);
1239         }
1240
1241         phase++;
1242         only_existing = save_only_existing;
1243         opt_ignore_existing = save_opt_ignore_existing;
1244         make_backups = save_make_backups;
1245
1246         if (verbose > 2)
1247                 rprintf(FINFO,"generate_files phase=%d\n",phase);
1248
1249         write_int(f_out, -1);
1250         /* Reduce round-trip lag-time for a useless delay-updates phase. */
1251         if (protocol_version >= 29 && !delay_updates)
1252                 write_int(f_out, -1);
1253
1254         /* Read MSG_DONE for the redo phase (and any prior messages). */
1255         get_redo_num(itemizing, code);
1256
1257         if (protocol_version >= 29) {
1258                 phase++;
1259                 if (verbose > 2)
1260                         rprintf(FINFO, "generate_files phase=%d\n", phase);
1261                 if (delay_updates)
1262                         write_int(f_out, -1);
1263                 /* Read MSG_DONE for delay-updates phase & prior messages. */
1264                 get_redo_num(itemizing, code);
1265         }
1266
1267         do_progress = save_do_progress;
1268         if (delete_after && !local_name && flist->count > 0)
1269                 do_delete_pass(flist);
1270
1271         if ((need_retouch_dir_perms || need_retouch_dir_times)
1272             && !list_only && !local_name && !dry_run) {
1273                 int j = 0;
1274                 /* Now we need to fix any directory permissions that were
1275                  * modified during the transfer and/or re-set any tweaked
1276                  * modified-time values. */
1277                 for (i = 0; i < flist->count; i++) {
1278                         struct file_struct *file = flist->files[i];
1279                         if (!file->basename || !S_ISDIR(file->mode))
1280                                 continue;
1281                         if (!need_retouch_dir_times && file->mode & S_IWUSR)
1282                                 continue;
1283                         recv_generator(f_name(file), file, i, itemizing,
1284                                        maybe_PERMS_REPORT, code, -1);
1285                         if (allowed_lull && !(++j % lull_mod))
1286                                 maybe_send_keepalive();
1287                         else if (!(j % 200))
1288                                 maybe_flush_socket();
1289                 }
1290         }
1291         recv_generator(NULL, NULL, 0, 0, 0, code, -1);
1292
1293         if (max_delete > 0 && deletion_count > max_delete) {
1294                 rprintf(FINFO,
1295                         "Deletions stopped due to --max-delete limit (%d skipped)\n",
1296                         deletion_count - max_delete);
1297                 io_error |= IOERR_DEL_LIMIT;
1298         }
1299
1300         if (verbose > 2)
1301                 rprintf(FINFO,"generate_files finished\n");
1302 }