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 do_xfers;
  29 extern int log_format_has_i;
  30 extern int log_format_has_o_or_i;
  31 extern int daemon_log_format_has_i;
  32 extern int am_root;
  33 extern int am_server;
  34 extern int am_daemon;
  35 extern int do_progress;
  36 extern int recurse;
  37 extern int relative_paths;
  38 extern int keep_dirlinks;
  39 extern int preserve_links;
  40 extern int preserve_devices;
  41 extern int preserve_hard_links;
  42 extern int preserve_perms;
  43 extern int preserve_uid;
  44 extern int preserve_gid;
  45 extern int preserve_times;
  46 extern int omit_dir_times;
  47 extern int delete_before;
  48 extern int delete_during;
  49 extern int delete_after;
  50 extern int module_id;
  51 extern int ignore_errors;
  52 extern int remove_sent_files;
  53 extern int delay_updates;
  54 extern int update_only;
  55 extern int opt_ignore_existing;
  56 extern int inplace;
  57 extern int make_backups;
  58 extern int csum_length;
  59 extern int ignore_times;
  60 extern int size_only;
  61 extern OFF_T max_size;
  62 extern int io_timeout;
  63 extern int io_error;
  64 extern int sock_f_out;
  65 extern int ignore_timeout;
  66 extern int protocol_version;
  67 extern int fuzzy_basis;
  68 extern int always_checksum;
  69 extern char *partial_dir;
  70 extern char *basis_dir[];
  71 extern int compare_dest;
  72 extern int copy_dest;
  73 extern int link_dest;
  74 extern int whole_file;
  75 extern int list_only;
  76 extern int read_batch;
  77 extern int only_existing;
  78 extern int orig_umask;
  79 extern int safe_symlinks;
  80 extern long block_size; /* "long" because popt can't set an int32. */
  81 extern int max_delete;
  82 extern int force_delete;
  83 extern int one_file_system;
  84 extern struct stats stats;
  85 extern dev_t filesystem_dev;
  86 extern char *backup_dir;
  87 extern char *backup_suffix;
  88 extern int backup_suffix_len;
  89 extern struct file_list *the_file_list;
  90 extern struct filter_list_struct server_filter_list;
  91
  92 int allowed_lull = 0;
  93
  94 static int deletion_count = 0; /* used to implement --max-delete */
  95
  96
  97 static int is_backup_file(char *fn)
  98 {
  99         int k = strlen(fn) - backup_suffix_len;
 100         return k > 0 && strcmp(fn+k, backup_suffix) == 0;
 101 }
 102
 103
 104 /* Delete a file or directory.  If DEL_FORCE_RECURSE is set in the flags, or if
 105  * force_delete is set, this will delete recursively as long as DEL_NO_RECURSE
 106  * is not set in the flags. */
 107 static int delete_item(char *fname, int mode, int flags)
 108 {
 109         struct file_list *dirlist;
 110         char buf[MAXPATHLEN];
 111         int j, dlen, zap_dir, ok;
 112         void *save_filters;
 113
 114         if (!S_ISDIR(mode)) {
 115                 if (max_delete && ++deletion_count > max_delete)
 116                         return 0;
 117                 if (make_backups && (backup_dir || !is_backup_file(fname)))
 118                         ok = make_backup(fname);
 119                 else
 120                         ok = robust_unlink(fname) == 0;
 121                 if (ok) {
 122                         if (!(flags & DEL_TERSE))
 123                                 log_delete(fname, mode);
 124                         return 0;
 125                 }
 126                 if (errno == ENOENT) {
 127                         deletion_count--;
 128                         return 0;
 129                 }
 130                 rsyserr(FERROR, errno, "delete_file: unlink %s failed",
 131                         full_fname(fname));
 132                 return -1;
 133         }
 134
 135         zap_dir = (flags & DEL_FORCE_RECURSE || (force_delete && recurse))
 136                 && !(flags & DEL_NO_RECURSE);
 137         if ((max_delete && ++deletion_count > max_delete)
 138             || (dry_run && zap_dir)) {
 139                 ok = 0;
 140                 errno = ENOTEMPTY;
 141         } else if (make_backups && !backup_dir && !is_backup_file(fname)
 142             && !(flags & DEL_FORCE_RECURSE))
 143                 ok = make_backup(fname);
 144         else
 145                 ok = do_rmdir(fname) == 0;
 146         if (ok) {
 147                 if (!(flags & DEL_TERSE))
 148                         log_delete(fname, mode);
 149                 return 0;
 150         }
 151         if (errno == ENOENT) {
 152                 deletion_count--;
 153                 return 0;
 154         }
 155         if (!zap_dir || (errno != ENOTEMPTY && errno != EEXIST)) {
 156                 rsyserr(FERROR, errno, "delete_file: rmdir %s failed",
 157                         full_fname(fname));
 158                 return -1;
 159         }
 160         flags |= DEL_FORCE_RECURSE; /* mark subdir dels as not "in the way" */
 161         deletion_count--;
 162
 163         dlen = strlcpy(buf, fname, MAXPATHLEN);
 164         save_filters = push_local_filters(buf, dlen);
 165
 166         dirlist = get_dirlist(buf, dlen, 0);
 167         for (j = dirlist->count; j--; ) {
 168                 struct file_struct *fp = dirlist->files[j];
 169
 170                 if (fp->flags & FLAG_MOUNT_POINT)
 171                         continue;
 172
 173                 f_name_to(fp, buf);
 174                 if (delete_item(buf, fp->mode, flags & ~DEL_TERSE) != 0) {
 175                         flist_free(dirlist);
 176                         return -1;
 177                 }
 178         }
 179         flist_free(dirlist);
 180
 181         pop_local_filters(save_filters);
 182
 183         if (max_delete && ++deletion_count > max_delete)
 184                 return 0;
 185
 186         if (do_rmdir(fname) == 0) {
 187                 if (!(flags & DEL_TERSE))
 188                         log_delete(fname, mode);
 189         } else if (errno != ENOTEMPTY && errno != ENOENT) {
 190                 rsyserr(FERROR, errno, "delete_file: rmdir %s failed",
 191                         full_fname(fname));
 192                 return -1;
 193         }
 194
 195         return 0;
 196 }
 197
 198
 199 /* This function is used to implement per-directory deletion, and is used by
 200  * all the --delete-WHEN options.  Note that the fbuf pointer must point to a
 201  * MAXPATHLEN buffer with the name of the directory in it (the functions we
 202  * call will append names onto the end, but the old dir value will be restored
 203  * on exit). */
 204 static void delete_in_dir(struct file_list *flist, char *fbuf,
 205                           struct file_struct *file)
 206 {
 207         static int min_depth = MAXPATHLEN, cur_depth = -1;
 208         static void *filt_array[MAXPATHLEN/2+1];
 209         static int already_warned = 0;
 210         struct file_list *dirlist;
 211         char delbuf[MAXPATHLEN];
 212         STRUCT_STAT st;
 213         int dlen, i;
 214
 215         if (!flist) {
 216                 while (cur_depth >= min_depth)
 217                         pop_local_filters(filt_array[cur_depth--]);
 218                 min_depth = MAXPATHLEN;
 219                 cur_depth = -1;
 220                 return;
 221         }
 222
 223         if (verbose > 2)
 224                 rprintf(FINFO, "delete_in_dir(%s)\n", safe_fname(fbuf));
 225
 226         if (allowed_lull)
 227                 maybe_send_keepalive();
 228
 229         if (file->dir.depth >= MAXPATHLEN/2+1)
 230                 return; /* Impossible... */
 231
 232         if (io_error && !(lp_ignore_errors(module_id) || ignore_errors)) {
 233                 if (already_warned)
 234                         return;
 235                 rprintf(FINFO,
 236                         "IO error encountered -- skipping file deletion\n");
 237                 already_warned = 1;
 238                 return;
 239         }
 240
 241         while (cur_depth >= file->dir.depth && cur_depth >= min_depth)
 242                 pop_local_filters(filt_array[cur_depth--]);
 243         cur_depth = file->dir.depth;
 244         if (min_depth > cur_depth)
 245                 min_depth = cur_depth;
 246         dlen = strlen(fbuf);
 247         filt_array[cur_depth] = push_local_filters(fbuf, dlen);
 248
 249         if (link_stat(fbuf, &st, keep_dirlinks) < 0)
 250                 return;
 251
 252         if (one_file_system && file->flags & FLAG_TOP_DIR)
 253                 filesystem_dev = st.st_dev;
 254
 255         dirlist = get_dirlist(fbuf, dlen, 0);
 256
 257         /* If an item in dirlist is not found in flist, delete it
 258          * from the filesystem. */
 259         for (i = dirlist->count; i--; ) {
 260                 if (!dirlist->files[i]->basename)
 261                         continue;
 262                 if (flist_find(flist, dirlist->files[i]) < 0) {
 263                         int mode = dirlist->files[i]->mode;
 264                         f_name_to(dirlist->files[i], delbuf);
 265                         if (delete_item(delbuf, mode, DEL_FORCE_RECURSE) < 0)
 266                                 break;
 267                 }
 268         }
 269
 270         flist_free(dirlist);
 271 }
 272
 273 /* This deletes any files on the receiving side that are not present on the
 274  * sending side.  This is used by --delete-before and --delete-after. */
 275 static void do_delete_pass(struct file_list *flist)
 276 {
 277         char fbuf[MAXPATHLEN];
 278         int j;
 279
 280         if (dry_run > 1) /* destination doesn't exist yet */
 281                 return;
 282
 283         for (j = 0; j < flist->count; j++) {
 284                 struct file_struct *file = flist->files[j];
 285
 286                 if (!(file->flags & FLAG_DEL_HERE))
 287                         continue;
 288
 289                 f_name_to(file, fbuf);
 290                 if (verbose > 1 && file->flags & FLAG_TOP_DIR)
 291                         rprintf(FINFO, "deleting in %s\n", safe_fname(fbuf));
 292
 293                 delete_in_dir(flist, fbuf, file);
 294         }
 295         if (do_progress && !am_server)
 296                 rprintf(FINFO, "                    \r");
 297 }
 298
 299 static int unchanged_attrs(struct file_struct *file, STRUCT_STAT *st)
 300 {
 301         if (preserve_perms
 302          && (st->st_mode & CHMOD_BITS) != (file->mode & CHMOD_BITS))
 303                 return 0;
 304
 305         if (am_root && preserve_uid && st->st_uid != file->uid)
 306                 return 0;
 307
 308         if (preserve_gid && file->gid != GID_NONE && st->st_gid != file->gid)
 309                 return 0;
 310
 311         return 1;
 312 }
 313
 314
 315 void itemize(struct file_struct *file, int ndx, int statret, STRUCT_STAT *st,
 316              int32 iflags, uchar fnamecmp_type, char *xname)
 317 {
 318         if (statret == 0) {
 319                 if (S_ISREG(file->mode) && file->length != st->st_size)
 320                         iflags |= ITEM_REPORT_SIZE;
 321                 if (!(iflags & ITEM_NO_DEST_AND_NO_UPDATE)) {
 322                         int keep_time = !preserve_times ? 0
 323                             : S_ISDIR(file->mode) ? !omit_dir_times
 324                             : !S_ISLNK(file->mode);
 325
 326                         if ((iflags & (ITEM_TRANSFER|ITEM_LOCAL_CHANGE) && !keep_time)
 327                             || (keep_time && file->modtime != st->st_mtime))
 328                                 iflags |= ITEM_REPORT_TIME;
 329                         if (preserve_perms && file->mode != st->st_mode)
 330                                 iflags |= ITEM_REPORT_PERMS;
 331                         if (preserve_uid && am_root && file->uid != st->st_uid)
 332                                 iflags |= ITEM_REPORT_OWNER;
 333                         if (preserve_gid && file->gid != GID_NONE
 334                             && st->st_gid != file->gid)
 335                                 iflags |= ITEM_REPORT_GROUP;
 336                 }
 337         } else
 338                 iflags |= ITEM_IS_NEW;
 339
 340         iflags &= 0xffff;
 341         if ((iflags & SIGNIFICANT_ITEM_FLAGS || verbose > 1
 342           || (xname && *xname)) && !read_batch) {
 343                 if (protocol_version >= 29) {
 344                         if (ndx >= 0)
 345                                 write_int(sock_f_out, ndx);
 346                         write_shortint(sock_f_out, iflags);
 347                         if (iflags & ITEM_BASIS_TYPE_FOLLOWS)
 348                                 write_byte(sock_f_out, fnamecmp_type);
 349                         if (iflags & ITEM_XNAME_FOLLOWS)
 350                                 write_vstring(sock_f_out, xname, strlen(xname));
 351                 } else if (ndx >= 0)
 352                         log_item(file, &stats, iflags, xname);
 353         }
 354 }
 355
 356
 357 /* Perform our quick-check heuristic for determining if a file is unchanged. */
 358 static int unchanged_file(char *fn, struct file_struct *file, STRUCT_STAT *st)
 359 {
 360         if (st->st_size != file->length)
 361                 return 0;
 362
 363         /* if always checksum is set then we use the checksum instead
 364            of the file time to determine whether to sync */
 365         if (always_checksum && S_ISREG(st->st_mode)) {
 366                 char sum[MD4_SUM_LENGTH];
 367                 file_checksum(fn, sum, st->st_size);
 368                 return memcmp(sum, file->u.sum, protocol_version < 21 ? 2
 369                                                         : MD4_SUM_LENGTH) == 0;
 370         }
 371
 372         if (size_only)
 373                 return 1;
 374
 375         if (ignore_times)
 376                 return 0;
 377
 378         return cmp_modtime(st->st_mtime, file->modtime) == 0;
 379 }
 380
 381
 382 /*
 383  * set (initialize) the size entries in the per-file sum_struct
 384  * calculating dynamic block and checksum sizes.
 385  *
 386  * This is only called from generate_and_send_sums() but is a separate
 387  * function to encapsulate the logic.
 388  *
 389  * The block size is a rounded square root of file length.
 390  *
 391  * The checksum size is determined according to:
 392  *     blocksum_bits = BLOCKSUM_BIAS + 2*log2(file_len) - log2(block_len)
 393  * provided by Donovan Baarda which gives a probability of rsync
 394  * algorithm corrupting data and falling back using the whole md4
 395  * checksums.
 396  *
 397  * This might be made one of several selectable heuristics.
 398  */
 399 static void sum_sizes_sqroot(struct sum_struct *sum, int64 len)
 400 {
 401         int32 blength;
 402         int s2length;
 403
 404         if (block_size)
 405                 blength = block_size;
 406         else if (len <= BLOCK_SIZE * BLOCK_SIZE)
 407                 blength = BLOCK_SIZE;
 408         else {
 409                 int32 c;
 410                 int64 l;
 411                 int cnt;
 412                 for (c = 1, l = len, cnt = 0; l >>= 2; c <<= 1, cnt++) {}
 413                 if (cnt >= 31 || c >= MAX_BLOCK_SIZE)
 414                         blength = MAX_BLOCK_SIZE;
 415                 else {
 416                     blength = 0;
 417                     do {
 418                             blength |= c;
 419                             if (len < (int64)blength * blength)
 420                                     blength &= ~c;
 421                             c >>= 1;
 422                     } while (c >= 8);   /* round to multiple of 8 */
 423                     blength = MAX(blength, BLOCK_SIZE);
 424                 }
 425         }
 426
 427         if (protocol_version < 27) {
 428                 s2length = csum_length;
 429         } else if (csum_length == SUM_LENGTH) {
 430                 s2length = SUM_LENGTH;
 431         } else {
 432                 int32 c;
 433                 int64 l;
 434                 int b = BLOCKSUM_BIAS;
 435                 for (l = len; l >>= 1; b += 2) {}
 436                 for (c = blength; c >>= 1 && b; b--) {}
 437                 /* add a bit, subtract rollsum, round up. */
 438                 s2length = (b + 1 - 32 + 7) / 8; /* --optimize in compiler-- */
 439                 s2length = MAX(s2length, csum_length);
 440                 s2length = MIN(s2length, SUM_LENGTH);
 441         }
 442
 443         sum->flength    = len;
 444         sum->blength    = blength;
 445         sum->s2length   = s2length;
 446         sum->count      = (len + (blength - 1)) / blength;
 447         sum->remainder  = (len % blength);
 448
 449         if (sum->count && verbose > 2) {
 450                 rprintf(FINFO,
 451                         "count=%.0f rem=%ld blength=%ld s2length=%d flength=%.0f\n",
 452                         (double)sum->count, (long)sum->remainder, (long)sum->blength,
 453                         sum->s2length, (double)sum->flength);
 454         }
 455 }
 456
 457
 458 /*
 459  * Generate and send a stream of signatures/checksums that describe a buffer
 460  *
 461  * Generate approximately one checksum every block_len bytes.
 462  */
 463 static void generate_and_send_sums(int fd, OFF_T len, int f_out, int f_copy)
 464 {
 465         int32 i;
 466         struct map_struct *mapbuf;
 467         struct sum_struct sum;
 468         OFF_T offset = 0;
 469
 470         sum_sizes_sqroot(&sum, len);
 471
 472         if (len > 0)
 473                 mapbuf = map_file(fd, len, MAX_MAP_SIZE, sum.blength);
 474         else
 475                 mapbuf = NULL;
 476
 477         write_sum_head(f_out, &sum);
 478
 479         for (i = 0; i < sum.count; i++) {
 480                 int32 n1 = (int32)MIN(len, (OFF_T)sum.blength);
 481                 char *map = map_ptr(mapbuf, offset, n1);
 482                 uint32 sum1 = get_checksum1(map, n1);
 483                 char sum2[SUM_LENGTH];
 484
 485                 if (f_copy >= 0)
 486                         full_write(f_copy, map, n1);
 487
 488                 get_checksum2(map, n1, sum2);
 489
 490                 if (verbose > 3) {
 491                         rprintf(FINFO,
 492                                 "chunk[%.0f] offset=%.0f len=%ld sum1=%08lx\n",
 493                                 (double)i, (double)offset, (long)n1,
 494                                 (unsigned long)sum1);
 495                 }
 496                 write_int(f_out, sum1);
 497                 write_buf(f_out, sum2, sum.s2length);
 498                 len -= n1;
 499                 offset += n1;
 500         }
 501
 502         if (mapbuf)
 503                 unmap_file(mapbuf);
 504 }
 505
 506
 507 /* Try to find a filename in the same dir as "fname" with a similar name. */
 508 static int find_fuzzy(struct file_struct *file, struct file_list *dirlist)
 509 {
 510         int fname_len, fname_suf_len;
 511         const char *fname_suf, *fname = file->basename;
 512         uint32 lowest_dist = 25 << 16; /* ignore a distance greater than 25 */
 513         int j, lowest_j = -1;
 514
 515         fname_len = strlen(fname);
 516         fname_suf = find_filename_suffix(fname, fname_len, &fname_suf_len);
 517
 518         for (j = 0; j < dirlist->count; j++) {
 519                 struct file_struct *fp = dirlist->files[j];
 520                 const char *suf, *name;
 521                 int len, suf_len;
 522                 uint32 dist;
 523
 524                 if (!S_ISREG(fp->mode) || !fp->length
 525                     || fp->flags & FLAG_NO_FUZZY)
 526                         continue;
 527
 528                 name = fp->basename;
 529
 530                 if (fp->length == file->length
 531                     && fp->modtime == file->modtime) {
 532                         if (verbose > 4) {
 533                                 rprintf(FINFO,
 534                                         "fuzzy size/modtime match for %s\n",
 535                                         name);
 536                         }
 537                         return j;
 538                 }
 539
 540                 len = strlen(name);
 541                 suf = find_filename_suffix(name, len, &suf_len);
 542
 543                 dist = fuzzy_distance(name, len, fname, fname_len);
 544                 /* Add some extra weight to how well the suffixes match. */
 545                 dist += fuzzy_distance(suf, suf_len, fname_suf, fname_suf_len)
 546                       * 10;
 547                 if (verbose > 4) {
 548                         rprintf(FINFO, "fuzzy distance for %s = %d.%05d\n",
 549                                 name, (int)(dist>>16), (int)(dist&0xFFFF));
 550                 }
 551                 if (dist <= lowest_dist) {
 552                         lowest_dist = dist;
 553                         lowest_j = j;
 554                 }
 555         }
 556
 557         return lowest_j;
 558 }
 559
 560 void check_for_finished_hlinks(int itemizing, enum logcode code)
 561 {
 562         struct file_struct *file;
 563         int ndx;
 564
 565         while ((ndx = get_hlink_num()) != -1) {
 566                 if (ndx < 0 || ndx >= the_file_list->count)
 567                         continue;
 568
 569                 file = the_file_list->files[ndx];
 570                 if (!file->link_u.links)
 571                         continue;
 572
 573                 hard_link_cluster(file, ndx, itemizing, code);
 574         }
 575 }
 576
 577 static int phase = 0;
 578
 579 /* Acts on the_file_list->file's ndx'th item, whose name is fname.  If a dir,
 580  * make sure it exists, and has the right permissions/timestamp info.  For
 581  * all other non-regular files (symlinks, etc.) we create them here.  For
 582  * regular files that have changed, we try to find a basis file and then
 583  * start sending checksums.
 584  *
 585  * Note that f_out is set to -1 when doing final directory-permission and
 586  * modification-time repair. */
 587 static void recv_generator(char *fname, struct file_struct *file, int ndx,
 588                            int itemizing, int maybe_PERMS_REPORT,
 589                            enum logcode code, int f_out)
 590 {
 591         static int missing_below = -1, excluded_below = -1;
 592         static char *fuzzy_dirname = "";
 593         static struct file_list *fuzzy_dirlist = NULL;
 594         struct file_struct *fuzzy_file = NULL;
 595         int fd = -1, f_copy = -1;
 596         STRUCT_STAT st, real_st, partial_st;
 597         struct file_struct *back_file = NULL;
 598         int statret, real_ret, stat_errno;
 599         char *fnamecmp, *partialptr, *backupptr = NULL;
 600         char fnamecmpbuf[MAXPATHLEN];
 601         uchar fnamecmp_type;
 602
 603         if (list_only)
 604                 return;
 605
 606         if (!fname) {
 607                 if (fuzzy_dirlist) {
 608                         flist_free(fuzzy_dirlist);
 609                         fuzzy_dirlist = NULL;
 610                         fuzzy_dirname = "";
 611                 }
 612                 if (missing_below >= 0) {
 613                         dry_run--;
 614                         missing_below = -1;
 615                 }
 616                 return;
 617         }
 618
 619         if (verbose > 2) {
 620                 rprintf(FINFO, "recv_generator(%s,%d)\n",
 621                         safe_fname(fname), ndx);
 622         }
 623
 624         if (server_filter_list.head) {
 625                 if (excluded_below >= 0) {
 626                         if (file->dir.depth > excluded_below)
 627                                 goto skipping;
 628                         excluded_below = -1;
 629                 }
 630                 if (check_filter(&server_filter_list, fname,
 631                                  S_ISDIR(file->mode)) < 0) {
 632                         if (S_ISDIR(file->mode))
 633                                 excluded_below = file->dir.depth;
 634                     skipping:
 635                         if (verbose) {
 636                                 rprintf(FINFO,
 637                                         "skipping server-excluded file \"%s\"\n",
 638                                         safe_fname(fname));
 639                         }
 640                         return;
 641                 }
 642         }
 643
 644         if (missing_below >= 0 && file->dir.depth <= missing_below) {
 645                 dry_run--;
 646                 missing_below = -1;
 647         }
 648         if (dry_run > 1) {
 649                 statret = -1;
 650                 stat_errno = ENOENT;
 651         } else {
 652                 if (fuzzy_basis && S_ISREG(file->mode)) {
 653                         char *dn = file->dirname ? file->dirname : ".";
 654                         if (fuzzy_dirname != dn
 655                             && strcmp(fuzzy_dirname, dn) != 0) {
 656                                 if (fuzzy_dirlist)
 657                                         flist_free(fuzzy_dirlist);
 658                                 fuzzy_dirlist = get_dirlist(dn, -1, 1);
 659                         }
 660                         fuzzy_dirname = dn;
 661                 }
 662
 663                 statret = link_stat(fname, &st,
 664                                     keep_dirlinks && S_ISDIR(file->mode));
 665                 stat_errno = errno;
 666         }
 667
 668         if (only_existing && statret == -1 && stat_errno == ENOENT) {
 669                 /* we only want to update existing files */
 670                 if (verbose > 1) {
 671                         rprintf(FINFO, "not creating new %s \"%s\"\n",
 672                                 S_ISDIR(file->mode) ? "directory" : "file",
 673                                 safe_fname(fname));
 674                 }
 675                 return;
 676         }
 677
 678         if (statret == 0 && !preserve_perms
 679             && S_ISDIR(st.st_mode) == S_ISDIR(file->mode)) {
 680                 /* if the file exists already and we aren't perserving
 681                  * permissions then act as though the remote end sent
 682                  * us the file permissions we already have */
 683                 file->mode = (file->mode & ~CHMOD_BITS)
 684                            | (st.st_mode & CHMOD_BITS);
 685         }
 686
 687         if (S_ISDIR(file->mode)) {
 688                 /* The file to be received is a directory, so we need
 689                  * to prepare appropriately.  If there is already a
 690                  * file of that name and it is *not* a directory, then
 691                  * we need to delete it.  If it doesn't exist, then
 692                  * (perhaps recursively) create it. */
 693                 if (statret == 0 && !S_ISDIR(st.st_mode)) {
 694                         if (delete_item(fname, st.st_mode, DEL_TERSE) < 0)
 695                                 return;
 696                         statret = -1;
 697                 }
 698                 if (dry_run && statret != 0 && missing_below < 0) {
 699                         missing_below = file->dir.depth;
 700                         dry_run++;
 701                 }
 702                 if (itemizing && f_out != -1) {
 703                         itemize(file, ndx, statret, &st,
 704                                 statret ? ITEM_LOCAL_CHANGE : 0, 0, NULL);
 705                 }
 706                 if (statret != 0 && do_mkdir(fname,file->mode) != 0 && errno != EEXIST) {
 707                         if (!relative_paths || errno != ENOENT
 708                             || create_directory_path(fname, orig_umask) < 0
 709                             || do_mkdir(fname, file->mode) < 0) {
 710                                 rsyserr(FERROR, errno,
 711                                         "recv_generator: mkdir %s failed",
 712                                         full_fname(fname));
 713                         }
 714                 }
 715                 if (set_perms(fname, file, statret ? NULL : &st, 0)
 716                     && verbose && code && f_out != -1)
 717                         rprintf(code, "%s/\n", safe_fname(fname));
 718                 if (delete_during && f_out != -1 && !phase && dry_run < 2
 719                     && (file->flags & FLAG_DEL_HERE))
 720                         delete_in_dir(the_file_list, fname, file);
 721                 return;
 722         }
 723
 724         if (max_size && file->length > max_size) {
 725                 if (verbose > 1) {
 726                         rprintf(FINFO, "%s is over max-size\n",
 727                                 safe_fname(fname));
 728                 }
 729                 return;
 730         }
 731
 732         if (preserve_links && S_ISLNK(file->mode)) {
 733 #ifdef SUPPORT_LINKS
 734                 if (safe_symlinks && unsafe_symlink(file->u.link, fname)) {
 735                         if (verbose) {
 736                                 rprintf(FINFO,
 737                                         "ignoring unsafe symlink %s -> \"%s\"\n",
 738                                         full_fname(fname),
 739                                         safe_fname(file->u.link));
 740                         }
 741                         return;
 742                 }
 743                 if (statret == 0) {
 744                         char lnk[MAXPATHLEN];
 745                         int len;
 746
 747                         if (!S_ISDIR(st.st_mode)
 748                             && (len = readlink(fname, lnk, MAXPATHLEN-1)) > 0) {
 749                                 lnk[len] = 0;
 750                                 /* A link already pointing to the
 751                                  * right place -- no further action
 752                                  * required. */
 753                                 if (strcmp(lnk, file->u.link) == 0) {
 754                                         if (itemizing) {
 755                                                 itemize(file, ndx, 0, &st, 0,
 756                                                         0, NULL);
 757                                         }
 758                                         set_perms(fname, file, &st,
 759                                                   maybe_PERMS_REPORT);
 760                                         return;
 761                                 }
 762                         }
 763                         /* Not the right symlink (or not a symlink), so
 764                          * delete it. */
 765                         if (delete_item(fname, st.st_mode, DEL_TERSE) < 0)
 766                                 return;
 767                         if (!S_ISLNK(st.st_mode))
 768                                 statret = -1;
 769                 }
 770                 if (do_symlink(file->u.link,fname) != 0) {
 771                         rsyserr(FERROR, errno, "symlink %s -> \"%s\" failed",
 772                                 full_fname(fname), safe_fname(file->u.link));
 773                 } else {
 774                         set_perms(fname,file,NULL,0);
 775                         if (itemizing) {
 776                                 itemize(file, ndx, statret, &st,
 777                                         ITEM_LOCAL_CHANGE, 0, NULL);
 778                         }
 779                         if (code && verbose) {
 780                                 rprintf(code, "%s -> %s\n", safe_fname(fname),
 781                                         safe_fname(file->u.link));
 782                         }
 783                         if (remove_sent_files && !dry_run) {
 784                                 char numbuf[4];
 785                                 SIVAL(numbuf, 0, ndx);
 786                                 send_msg(MSG_SUCCESS, numbuf, 4);
 787                         }
 788                 }
 789 #endif
 790                 return;
 791         }
 792
 793         if (am_root && preserve_devices && IS_DEVICE(file->mode)) {
 794                 if (statret != 0 ||
 795                     st.st_mode != file->mode ||
 796                     st.st_rdev != file->u.rdev) {
 797                         if (delete_item(fname, st.st_mode, DEL_TERSE) < 0)
 798                                 return;
 799                         if (!IS_DEVICE(st.st_mode))
 800                                 statret = -1;
 801                         if (verbose > 2) {
 802                                 rprintf(FINFO,"mknod(%s,0%o,0x%x)\n",
 803                                         safe_fname(fname),
 804                                         (int)file->mode, (int)file->u.rdev);
 805                         }
 806                         if (do_mknod(fname,file->mode,file->u.rdev) != 0) {
 807                                 rsyserr(FERROR, errno, "mknod %s failed",
 808                                         full_fname(fname));
 809                         } else {
 810                                 set_perms(fname,file,NULL,0);
 811                                 if (itemizing) {
 812                                         itemize(file, ndx, statret, &st,
 813                                                 ITEM_LOCAL_CHANGE, 0, NULL);
 814                                 }
 815                                 if (code && verbose) {
 816                                         rprintf(code, "%s\n",
 817                                                 safe_fname(fname));
 818                                 }
 819                         }
 820                 } else {
 821                         if (itemizing)
 822                                 itemize(file, ndx, statret, &st, 0, 0, NULL);
 823                         set_perms(fname, file, &st, maybe_PERMS_REPORT);
 824                 }
 825                 return;
 826         }
 827
 828         if (preserve_hard_links && hard_link_check(file, ndx, HL_CHECK_MASTER))
 829                 return;
 830
 831         if (!S_ISREG(file->mode)) {
 832                 rprintf(FINFO, "skipping non-regular file \"%s\"\n",
 833                         safe_fname(fname));
 834                 return;
 835         }
 836
 837         if (opt_ignore_existing && statret == 0) {
 838                 if (verbose > 1)
 839                         rprintf(FINFO, "%s exists\n", safe_fname(fname));
 840                 return;
 841         }
 842
 843         if (update_only && statret == 0
 844             && cmp_modtime(st.st_mtime, file->modtime) > 0) {
 845                 if (verbose > 1)
 846                         rprintf(FINFO, "%s is newer\n", safe_fname(fname));
 847                 return;
 848         }
 849
 850         fnamecmp = fname;
 851         fnamecmp_type = FNAMECMP_FNAME;
 852
 853         if (statret == 0 && !S_ISREG(st.st_mode)) {
 854                 if (delete_item(fname, st.st_mode, DEL_TERSE) != 0)
 855                         return;
 856                 statret = -1;
 857                 stat_errno = ENOENT;
 858         }
 859
 860         if (statret != 0 && basis_dir[0] != NULL) {
 861                 int best_match = -1;
 862                 int match_level = 0;
 863                 int i = 0;
 864                 do {
 865                         pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
 866                                  basis_dir[i], fname);
 867                         if (link_stat(fnamecmpbuf, &st, 0) < 0
 868                             || !S_ISREG(st.st_mode))
 869                                 continue;
 870                         switch (match_level) {
 871                         case 0:
 872                                 best_match = i;
 873                                 match_level = 1;
 874                                 /* FALL THROUGH */
 875                         case 1:
 876                                 if (!unchanged_file(fnamecmpbuf, file, &st))
 877                                         continue;
 878                                 best_match = i;
 879                                 match_level = 2;
 880                                 if (copy_dest)
 881                                         break;
 882                                 /* FALL THROUGH */
 883                         case 2:
 884                                 if (!unchanged_attrs(file, &st))
 885                                         continue;
 886                                 best_match = i;
 887                                 match_level = 3;
 888                                 break;
 889                         }
 890                         break;
 891                 } while (basis_dir[++i] != NULL);
 892                 if (match_level) {
 893                         statret = 0;
 894                         if (i != best_match) {
 895                                 i = best_match;
 896                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
 897                                          basis_dir[i], fname);
 898                                 if (link_stat(fnamecmpbuf, &st, 0) < 0) {
 899                                         match_level = 0;
 900                                         statret = -1;
 901                                         stat_errno = errno;
 902                                 }
 903                         }
 904 #ifdef HAVE_LINK
 905                         if (link_dest && match_level == 3) {
 906                                 if (hard_link_one(file, ndx, fname, -1, &st,
 907                                                   fnamecmpbuf, 1,
 908                                                   itemizing && verbose > 1,
 909                                                   code) == 0)
 910                                         return;
 911                                 if (verbose) {
 912                                         rsyserr(FINFO, errno, "link %s => %s",
 913                                                 full_fname(fnamecmpbuf),
 914                                                 safe_fname(fname));
 915                                 }
 916                                 match_level = 2;
 917                         }
 918 #endif
 919                         if (match_level == 2) {
 920                                 /* Copy the file locally. */
 921                                 if (copy_file(fnamecmpbuf, fname, file->mode) < 0) {
 922                                         if (verbose) {
 923                                                 rsyserr(FINFO, errno,
 924                                                         "copy_file %s => %s",
 925                                                         full_fname(fnamecmpbuf),
 926                                                         safe_fname(fname));
 927                                         }
 928                                         match_level = 0;
 929                                         statret = -1;
 930                                 } else {
 931                                         if (itemizing) {
 932                                                 itemize(file, ndx, 0, &st,
 933                                                         ITEM_LOCAL_CHANGE, 0,
 934                                                         NULL);
 935                                         } else if (verbose && code) {
 936                                                 rprintf(code, "%s\n",
 937                                                         safe_fname(fname));
 938                                         }
 939                                         set_perms(fname, file, NULL,
 940                                                   maybe_PERMS_REPORT);
 941                                         if (preserve_hard_links
 942                                             && file->link_u.links) {
 943                                                 hard_link_cluster(file, ndx,
 944                                                                   itemizing,
 945                                                                   code);
 946                                         }
 947                                         return;
 948                                 }
 949                         } else if (compare_dest || match_level == 1) {
 950                                 fnamecmp = fnamecmpbuf;
 951                                 fnamecmp_type = i;
 952                         }
 953                 }
 954         }
 955
 956         real_ret = statret;
 957         real_st = st;
 958
 959         if (partial_dir && (partialptr = partial_dir_fname(fname)) != NULL
 960             && link_stat(partialptr, &partial_st, 0) == 0
 961             && S_ISREG(partial_st.st_mode)) {
 962                 if (statret != 0)
 963                         goto prepare_to_open;
 964         } else
 965                 partialptr = NULL;
 966
 967         if (statret != 0 && fuzzy_basis && dry_run <= 1) {
 968                 int j = find_fuzzy(file, fuzzy_dirlist);
 969                 if (j >= 0) {
 970                         fuzzy_file = fuzzy_dirlist->files[j];
 971                         f_name_to(fuzzy_file, fnamecmpbuf);
 972                         if (verbose > 2) {
 973                                 rprintf(FINFO, "fuzzy basis selected for %s: %s\n",
 974                                         safe_fname(fname), safe_fname(fnamecmpbuf));
 975                         }
 976                         st.st_size = fuzzy_file->length;
 977                         statret = 0;
 978                         fnamecmp = fnamecmpbuf;
 979                         fnamecmp_type = FNAMECMP_FUZZY;
 980                 }
 981         }
 982
 983         if (statret != 0) {
 984                 if (preserve_hard_links && hard_link_check(file, ndx, HL_SKIP))
 985                         return;
 986                 if (stat_errno == ENOENT)
 987                         goto notify_others;
 988                 if (verbose > 1) {
 989                         rsyserr(FERROR, stat_errno,
 990                                 "recv_generator: failed to stat %s",
 991                                 full_fname(fname));
 992                 }
 993                 return;
 994         }
 995
 996         if (!compare_dest && fnamecmp_type <= FNAMECMP_BASIS_DIR_HIGH)
 997                 ;
 998         else if (fnamecmp_type == FNAMECMP_FUZZY)
 999                 ;
1000         else if (unchanged_file(fnamecmp, file, &st)) {
1001                 if (fnamecmp_type == FNAMECMP_FNAME) {
1002                         if (itemizing) {
1003                                 itemize(file, ndx, real_ret, &real_st,
1004                                         0, 0, NULL);
1005                         }
1006                         set_perms(fname, file, &st, maybe_PERMS_REPORT);
1007                         if (preserve_hard_links && file->link_u.links)
1008                                 hard_link_cluster(file, ndx, itemizing, code);
1009                         return;
1010                 }
1011                 /* Only --compare-dest gets here. */
1012                 itemize(file, ndx, real_ret, &real_st,
1013                         ITEM_NO_DEST_AND_NO_UPDATE, 0, NULL);
1014                 return;
1015         }
1016
1017 prepare_to_open:
1018         if (partialptr) {
1019                 st = partial_st;
1020                 fnamecmp = partialptr;
1021                 fnamecmp_type = FNAMECMP_PARTIAL_DIR;
1022                 statret = 0;
1023         }
1024
1025         if (!do_xfers || read_batch || whole_file)
1026                 goto notify_others;
1027
1028         if (fuzzy_basis) {
1029                 int j = flist_find(fuzzy_dirlist, file);
1030                 if (j >= 0) /* don't use changing file as future fuzzy basis */
1031                         fuzzy_dirlist->files[j]->flags |= FLAG_NO_FUZZY;
1032         }
1033
1034         /* open the file */
1035         fd = do_open(fnamecmp, O_RDONLY, 0);
1036
1037         if (fd == -1) {
1038                 rsyserr(FERROR, errno, "failed to open %s, continuing",
1039                         full_fname(fnamecmp));
1040             pretend_missing:
1041                 /* pretend the file didn't exist */
1042                 if (preserve_hard_links && hard_link_check(file, ndx, HL_SKIP))
1043                         return;
1044                 statret = real_ret = -1;
1045                 goto notify_others;
1046         }
1047
1048         if (inplace && make_backups && fnamecmp_type == FNAMECMP_FNAME) {
1049                 if (!(backupptr = get_backup_name(fname))) {
1050                         close(fd);
1051                         return;
1052                 }
1053                 if (!(back_file = make_file(fname, NULL, NO_FILTERS))) {
1054                         close(fd);
1055                         goto pretend_missing;
1056                 }
1057                 if (robust_unlink(backupptr) && errno != ENOENT) {
1058                         rsyserr(FERROR, errno, "unlink %s",
1059                                 full_fname(backupptr));
1060                         free(back_file);
1061                         close(fd);
1062                         return;
1063                 }
1064                 if ((f_copy = do_open(backupptr,
1065                     O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0600)) < 0) {
1066                         rsyserr(FERROR, errno, "open %s",
1067                                 full_fname(backupptr));
1068                         free(back_file);
1069                         close(fd);
1070                         return;
1071                 }
1072                 fnamecmp_type = FNAMECMP_BACKUP;
1073         }
1074
1075         if (verbose > 3) {
1076                 rprintf(FINFO, "gen mapped %s of size %.0f\n",
1077                         safe_fname(fnamecmp), (double)st.st_size);
1078         }
1079
1080         if (verbose > 2)
1081                 rprintf(FINFO, "generating and sending sums for %d\n", ndx);
1082
1083 notify_others:
1084         write_int(f_out, ndx);
1085         if (itemizing) {
1086                 int iflags = ITEM_TRANSFER;
1087                 if (always_checksum)
1088                         iflags |= ITEM_REPORT_CHECKSUM;
1089                 if (fnamecmp_type != FNAMECMP_FNAME)
1090                         iflags |= ITEM_BASIS_TYPE_FOLLOWS;
1091                 if (fnamecmp_type == FNAMECMP_FUZZY)
1092                         iflags |= ITEM_XNAME_FOLLOWS;
1093                 itemize(file, -1, real_ret, &real_st, iflags, fnamecmp_type,
1094                         fuzzy_file ? fuzzy_file->basename : NULL);
1095         }
1096
1097         if (!do_xfers) {
1098                 if (preserve_hard_links && file->link_u.links)
1099                         hard_link_cluster(file, ndx, itemizing, code);
1100                 return;
1101         }
1102         if (read_batch)
1103                 return;
1104
1105         if (statret != 0 || whole_file) {
1106                 write_sum_head(f_out, NULL);
1107                 return;
1108         }
1109
1110         generate_and_send_sums(fd, st.st_size, f_out, f_copy);
1111
1112         if (f_copy >= 0) {
1113                 close(f_copy);
1114                 set_perms(backupptr, back_file, NULL, 0);
1115                 if (verbose > 1) {
1116                         rprintf(FINFO, "backed up %s to %s\n",
1117                                 safe_fname(fname), safe_fname(backupptr));
1118                 }
1119                 free(back_file);
1120         }
1121
1122         close(fd);
1123 }
1124
1125
1126 void generate_files(int f_out, struct file_list *flist, char *local_name)
1127 {
1128         int i, lull_mod;
1129         char fbuf[MAXPATHLEN];
1130         int itemizing, maybe_PERMS_REPORT;
1131         enum logcode code;
1132         int need_retouch_dir_times = preserve_times && !omit_dir_times;
1133         int need_retouch_dir_perms = 0;
1134         int save_only_existing = only_existing;
1135         int save_opt_ignore_existing = opt_ignore_existing;
1136         int save_do_progress = do_progress;
1137         int save_make_backups = make_backups;
1138
1139         allowed_lull = read_batch ? 0 : (io_timeout + 1) / 2;
1140         lull_mod = allowed_lull * 5;
1141
1142         if (protocol_version >= 29) {
1143                 itemizing = 1;
1144                 maybe_PERMS_REPORT = log_format_has_i ? 0 : PERMS_REPORT;
1145                 code = daemon_log_format_has_i ? 0 : FLOG;
1146         } else if (am_daemon) {
1147                 itemizing = daemon_log_format_has_i && do_xfers;
1148                 maybe_PERMS_REPORT = PERMS_REPORT;
1149                 code = itemizing || !do_xfers ? FCLIENT : FINFO;
1150         } else if (!am_server) {
1151                 itemizing = log_format_has_i;
1152                 maybe_PERMS_REPORT = log_format_has_i ? 0 : PERMS_REPORT;
1153                 code = itemizing ? 0 : FINFO;
1154         } else {
1155                 itemizing = 0;
1156                 maybe_PERMS_REPORT = PERMS_REPORT;
1157                 code = FINFO;
1158         }
1159
1160         if (verbose > 2) {
1161                 rprintf(FINFO, "generator starting pid=%ld count=%d\n",
1162                         (long)getpid(), flist->count);
1163         }
1164
1165         if (delete_before && !local_name && flist->count > 0)
1166                 do_delete_pass(flist);
1167         do_progress = 0;
1168
1169         if (whole_file < 0)
1170                 whole_file = 0;
1171         if (verbose >= 2) {
1172                 rprintf(FINFO, "delta-transmission %s\n",
1173                         whole_file
1174                         ? "disabled for local transfer or --whole-file"
1175                         : "enabled");
1176         }
1177
1178         if (protocol_version < 29)
1179                 ignore_timeout = 1;
1180
1181         for (i = 0; i < flist->count; i++) {
1182                 struct file_struct *file = flist->files[i];
1183
1184                 if (!file->basename)
1185                         continue;
1186
1187                 recv_generator(local_name ? local_name : f_name_to(file, fbuf),
1188                                file, i, itemizing, maybe_PERMS_REPORT, code,
1189                                f_out);
1190
1191                 /* We need to ensure that any dirs we create have writeable
1192                  * permissions during the time we are putting files within
1193                  * them.  This is then fixed after the transfer is done. */
1194                 if (!am_root && S_ISDIR(file->mode) && !(file->mode & S_IWUSR)
1195                     && !list_only) {
1196                         int mode = file->mode | S_IWUSR; /* user write */
1197                         char *fname = local_name ? local_name : fbuf;
1198                         if (do_chmod(fname, mode & CHMOD_BITS) < 0) {
1199                                 rsyserr(FERROR, errno,
1200                                         "failed to modify permissions on %s",
1201                                         full_fname(fname));
1202                         }
1203                         need_retouch_dir_perms = 1;
1204                 }
1205
1206                 if (preserve_hard_links)
1207                         check_for_finished_hlinks(itemizing, code);
1208
1209                 if (allowed_lull && !(i % lull_mod))
1210                         maybe_send_keepalive();
1211                 else if (!(i % 200))
1212                         maybe_flush_socket();
1213         }
1214         recv_generator(NULL, NULL, 0, 0, 0, code, -1);
1215         if (delete_during)
1216                 delete_in_dir(NULL, NULL, NULL);
1217
1218         phase++;
1219         csum_length = SUM_LENGTH;
1220         only_existing = max_size = opt_ignore_existing = 0;
1221         update_only = always_checksum = size_only = 0;
1222         ignore_times = 1;
1223         make_backups = 0; /* avoid a duplicate backup for inplace processing */
1224
1225         /* We expect to just sit around now, so don't exit on a timeout.
1226          * If we really get a timeout then the other process should exit. */
1227         ignore_timeout = 1;
1228
1229         if (verbose > 2)
1230                 rprintf(FINFO,"generate_files phase=%d\n",phase);
1231
1232         write_int(f_out, -1);
1233
1234         /* files can cycle through the system more than once
1235          * to catch initial checksum errors */
1236         while ((i = get_redo_num(itemizing, code)) != -1) {
1237                 struct file_struct *file = flist->files[i];
1238                 recv_generator(local_name ? local_name : f_name_to(file, fbuf),
1239                                file, i, itemizing, maybe_PERMS_REPORT, code,
1240                                f_out);
1241         }
1242
1243         phase++;
1244         only_existing = save_only_existing;
1245         opt_ignore_existing = save_opt_ignore_existing;
1246         make_backups = save_make_backups;
1247
1248         if (verbose > 2)
1249                 rprintf(FINFO,"generate_files phase=%d\n",phase);
1250
1251         write_int(f_out, -1);
1252         /* Reduce round-trip lag-time for a useless delay-updates phase. */
1253         if (protocol_version >= 29 && !delay_updates)
1254                 write_int(f_out, -1);
1255
1256         /* Read MSG_DONE for the redo phase (and any prior messages). */
1257         get_redo_num(itemizing, code);
1258
1259         if (protocol_version >= 29) {
1260                 phase++;
1261                 if (verbose > 2)
1262                         rprintf(FINFO, "generate_files phase=%d\n", phase);
1263                 if (delay_updates)
1264                         write_int(f_out, -1);
1265                 /* Read MSG_DONE for delay-updates phase & prior messages. */
1266                 get_redo_num(itemizing, code);
1267         }
1268
1269         do_progress = save_do_progress;
1270         if (delete_after && !local_name && flist->count > 0)
1271                 do_delete_pass(flist);
1272
1273         if ((need_retouch_dir_perms || need_retouch_dir_times)
1274             && !list_only && !local_name && !dry_run) {
1275                 int j = 0;
1276                 /* Now we need to fix any directory permissions that were
1277                  * modified during the transfer and/or re-set any tweaked
1278                  * modified-time values. */
1279                 for (i = 0; i < flist->count; i++) {
1280                         struct file_struct *file = flist->files[i];
1281                         if (!file->basename || !S_ISDIR(file->mode))
1282                                 continue;
1283                         if (!need_retouch_dir_times && file->mode & S_IWUSR)
1284                                 continue;
1285                         recv_generator(f_name(file), file, i, itemizing,
1286                                        maybe_PERMS_REPORT, code, -1);
1287                         if (allowed_lull && !(++j % lull_mod))
1288                                 maybe_send_keepalive();
1289                         else if (!(j % 200))
1290                                 maybe_flush_socket();
1291                 }
1292         }
1293         recv_generator(NULL, NULL, 0, 0, 0, code, -1);
1294
1295         if (max_delete > 0 && deletion_count > max_delete) {
1296                 rprintf(FINFO,
1297                         "Deletions stopped due to --max-delete limit (%d skipped)\n",
1298                         deletion_count - max_delete);
1299                 io_error |= IOERR_DEL_LIMIT;
1300         }
1301
1302         if (verbose > 2)
1303                 rprintf(FINFO,"generate_files finished\n");
1304 }