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                         if (the_file_list->count == 1)
 727                                 fname = f_name(file);
 728                         rprintf(FINFO, "%s is over max-size\n",
 729                                 safe_fname(fname));
 730                 }
 731                 return;
 732         }
 733
 734         if (preserve_links && S_ISLNK(file->mode)) {
 735 #ifdef SUPPORT_LINKS
 736                 if (safe_symlinks && unsafe_symlink(file->u.link, fname)) {
 737                         if (verbose) {
 738                                 if (the_file_list->count == 1)
 739                                         fname = f_name(file);
 740                                 rprintf(FINFO,
 741                                         "ignoring unsafe symlink %s -> \"%s\"\n",
 742                                         full_fname(fname),
 743                                         safe_fname(file->u.link));
 744                         }
 745                         return;
 746                 }
 747                 if (statret == 0) {
 748                         char lnk[MAXPATHLEN];
 749                         int len;
 750
 751                         if (!S_ISDIR(st.st_mode)
 752                             && (len = readlink(fname, lnk, MAXPATHLEN-1)) > 0) {
 753                                 lnk[len] = 0;
 754                                 /* A link already pointing to the
 755                                  * right place -- no further action
 756                                  * required. */
 757                                 if (strcmp(lnk, file->u.link) == 0) {
 758                                         if (itemizing) {
 759                                                 itemize(file, ndx, 0, &st, 0,
 760                                                         0, NULL);
 761                                         }
 762                                         set_perms(fname, file, &st,
 763                                                   maybe_PERMS_REPORT);
 764                                         return;
 765                                 }
 766                         }
 767                         /* Not the right symlink (or not a symlink), so
 768                          * delete it. */
 769                         if (delete_item(fname, st.st_mode, DEL_TERSE) < 0)
 770                                 return;
 771                         if (!S_ISLNK(st.st_mode))
 772                                 statret = -1;
 773                 }
 774                 if (do_symlink(file->u.link,fname) != 0) {
 775                         rsyserr(FERROR, errno, "symlink %s -> \"%s\" failed",
 776                                 full_fname(fname), safe_fname(file->u.link));
 777                 } else {
 778                         set_perms(fname,file,NULL,0);
 779                         if (itemizing) {
 780                                 itemize(file, ndx, statret, &st,
 781                                         ITEM_LOCAL_CHANGE, 0, NULL);
 782                         }
 783                         if (code && verbose) {
 784                                 rprintf(code, "%s -> %s\n", safe_fname(fname),
 785                                         safe_fname(file->u.link));
 786                         }
 787                         if (remove_sent_files && !dry_run) {
 788                                 char numbuf[4];
 789                                 SIVAL(numbuf, 0, ndx);
 790                                 send_msg(MSG_SUCCESS, numbuf, 4);
 791                         }
 792                 }
 793 #endif
 794                 return;
 795         }
 796
 797         if (am_root && preserve_devices && IS_DEVICE(file->mode)) {
 798                 if (statret != 0 ||
 799                     st.st_mode != file->mode ||
 800                     st.st_rdev != file->u.rdev) {
 801                         if (delete_item(fname, st.st_mode, DEL_TERSE) < 0)
 802                                 return;
 803                         if (!IS_DEVICE(st.st_mode))
 804                                 statret = -1;
 805                         if (verbose > 2) {
 806                                 rprintf(FINFO,"mknod(%s,0%o,0x%x)\n",
 807                                         safe_fname(fname),
 808                                         (int)file->mode, (int)file->u.rdev);
 809                         }
 810                         if (do_mknod(fname,file->mode,file->u.rdev) != 0) {
 811                                 rsyserr(FERROR, errno, "mknod %s failed",
 812                                         full_fname(fname));
 813                         } else {
 814                                 set_perms(fname,file,NULL,0);
 815                                 if (itemizing) {
 816                                         itemize(file, ndx, statret, &st,
 817                                                 ITEM_LOCAL_CHANGE, 0, NULL);
 818                                 }
 819                                 if (code && verbose) {
 820                                         rprintf(code, "%s\n",
 821                                                 safe_fname(fname));
 822                                 }
 823                         }
 824                 } else {
 825                         if (itemizing)
 826                                 itemize(file, ndx, statret, &st, 0, 0, NULL);
 827                         set_perms(fname, file, &st, maybe_PERMS_REPORT);
 828                 }
 829                 return;
 830         }
 831
 832         if (preserve_hard_links
 833             && hard_link_check(file, ndx, fname, statret, &st,
 834                                itemizing, code, HL_CHECK_MASTER))
 835                 return;
 836
 837         if (!S_ISREG(file->mode)) {
 838                 if (the_file_list->count == 1)
 839                         fname = f_name(file);
 840                 rprintf(FINFO, "skipping non-regular file \"%s\"\n",
 841                         safe_fname(fname));
 842                 return;
 843         }
 844
 845         if (opt_ignore_existing && statret == 0) {
 846                 if (verbose > 1)
 847                         rprintf(FINFO, "%s exists\n", safe_fname(fname));
 848                 return;
 849         }
 850
 851         if (update_only && statret == 0
 852             && cmp_modtime(st.st_mtime, file->modtime) > 0) {
 853                 if (verbose > 1)
 854                         rprintf(FINFO, "%s is newer\n", safe_fname(fname));
 855                 return;
 856         }
 857
 858         fnamecmp = fname;
 859         fnamecmp_type = FNAMECMP_FNAME;
 860
 861         if (statret == 0 && !S_ISREG(st.st_mode)) {
 862                 if (delete_item(fname, st.st_mode, DEL_TERSE) != 0)
 863                         return;
 864                 statret = -1;
 865                 stat_errno = ENOENT;
 866         }
 867
 868         if (statret != 0 && basis_dir[0] != NULL) {
 869                 int best_match = -1;
 870                 int match_level = 0;
 871                 int i = 0;
 872                 do {
 873                         pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
 874                                  basis_dir[i], fname);
 875                         if (link_stat(fnamecmpbuf, &st, 0) < 0
 876                             || !S_ISREG(st.st_mode))
 877                                 continue;
 878                         switch (match_level) {
 879                         case 0:
 880                                 best_match = i;
 881                                 match_level = 1;
 882                                 /* FALL THROUGH */
 883                         case 1:
 884                                 if (!unchanged_file(fnamecmpbuf, file, &st))
 885                                         continue;
 886                                 best_match = i;
 887                                 match_level = 2;
 888                                 if (copy_dest)
 889                                         break;
 890                                 /* FALL THROUGH */
 891                         case 2:
 892                                 if (!unchanged_attrs(file, &st))
 893                                         continue;
 894                                 best_match = i;
 895                                 match_level = 3;
 896                                 break;
 897                         }
 898                         break;
 899                 } while (basis_dir[++i] != NULL);
 900                 if (match_level) {
 901                         statret = 0;
 902                         if (i != best_match) {
 903                                 i = best_match;
 904                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
 905                                          basis_dir[i], fname);
 906                                 if (link_stat(fnamecmpbuf, &st, 0) < 0) {
 907                                         match_level = 0;
 908                                         statret = -1;
 909                                         stat_errno = errno;
 910                                 }
 911                         }
 912 #ifdef HAVE_LINK
 913                         if (link_dest && match_level == 3) {
 914                                 if (hard_link_one(file, ndx, fname, -1, &st,
 915                                                   fnamecmpbuf, 1,
 916                                                   itemizing && verbose > 1,
 917                                                   code) == 0) {
 918                                         if (preserve_hard_links
 919                                             && file->link_u.links) {
 920                                                 hard_link_cluster(file, ndx,
 921                                                                   itemizing,
 922                                                                   code);
 923                                         }
 924                                         return;
 925                                 }
 926                                 match_level = 2;
 927                         }
 928 #endif
 929                         if (match_level == 2) {
 930                                 /* Copy the file locally. */
 931                                 if (copy_file(fnamecmpbuf, fname, file->mode) < 0) {
 932                                         if (verbose) {
 933                                                 rsyserr(FINFO, errno,
 934                                                         "copy_file %s => %s",
 935                                                         full_fname(fnamecmpbuf),
 936                                                         safe_fname(fname));
 937                                         }
 938                                         match_level = 0;
 939                                         statret = -1;
 940                                 } else {
 941                                         if (itemizing) {
 942                                                 itemize(file, ndx, 0, &st,
 943                                                         ITEM_LOCAL_CHANGE, 0,
 944                                                         NULL);
 945                                         } else if (verbose && code) {
 946                                                 rprintf(code, "%s\n",
 947                                                         safe_fname(fname));
 948                                         }
 949                                         set_perms(fname, file, NULL,
 950                                                   maybe_PERMS_REPORT);
 951                                         if (preserve_hard_links
 952                                             && file->link_u.links) {
 953                                                 hard_link_cluster(file, ndx,
 954                                                                   itemizing,
 955                                                                   code);
 956                                         }
 957                                         return;
 958                                 }
 959                         } else if (compare_dest || match_level == 1) {
 960                                 fnamecmp = fnamecmpbuf;
 961                                 fnamecmp_type = i;
 962                         }
 963                 }
 964         }
 965
 966         real_ret = statret;
 967         real_st = st;
 968
 969         if (partial_dir && (partialptr = partial_dir_fname(fname)) != NULL
 970             && link_stat(partialptr, &partial_st, 0) == 0
 971             && S_ISREG(partial_st.st_mode)) {
 972                 if (statret != 0)
 973                         goto prepare_to_open;
 974         } else
 975                 partialptr = NULL;
 976
 977         if (statret != 0 && fuzzy_basis && dry_run <= 1) {
 978                 int j = find_fuzzy(file, fuzzy_dirlist);
 979                 if (j >= 0) {
 980                         fuzzy_file = fuzzy_dirlist->files[j];
 981                         f_name_to(fuzzy_file, fnamecmpbuf);
 982                         if (verbose > 2) {
 983                                 rprintf(FINFO, "fuzzy basis selected for %s: %s\n",
 984                                         safe_fname(fname), safe_fname(fnamecmpbuf));
 985                         }
 986                         st.st_size = fuzzy_file->length;
 987                         statret = 0;
 988                         fnamecmp = fnamecmpbuf;
 989                         fnamecmp_type = FNAMECMP_FUZZY;
 990                 }
 991         }
 992
 993         if (statret != 0) {
 994                 if (preserve_hard_links
 995                     && hard_link_check(file, ndx, fname, statret, &st,
 996                                        itemizing, code, HL_SKIP))
 997                         return;
 998                 if (stat_errno == ENOENT)
 999                         goto notify_others;
1000                 if (verbose > 1) {
1001                         rsyserr(FERROR, stat_errno,
1002                                 "recv_generator: failed to stat %s",
1003                                 full_fname(fname));
1004                 }
1005                 return;
1006         }
1007
1008         if (!compare_dest && fnamecmp_type <= FNAMECMP_BASIS_DIR_HIGH)
1009                 ;
1010         else if (fnamecmp_type == FNAMECMP_FUZZY)
1011                 ;
1012         else if (unchanged_file(fnamecmp, file, &st)) {
1013                 if (fnamecmp_type == FNAMECMP_FNAME) {
1014                         if (itemizing) {
1015                                 itemize(file, ndx, real_ret, &real_st,
1016                                         0, 0, NULL);
1017                         }
1018                         set_perms(fname, file, &st, maybe_PERMS_REPORT);
1019                         if (preserve_hard_links && file->link_u.links)
1020                                 hard_link_cluster(file, ndx, itemizing, code);
1021                         return;
1022                 }
1023                 /* Only --compare-dest gets here. */
1024                 itemize(file, ndx, real_ret, &real_st,
1025                         ITEM_NO_DEST_AND_NO_UPDATE, 0, NULL);
1026                 return;
1027         }
1028
1029 prepare_to_open:
1030         if (partialptr) {
1031                 st = partial_st;
1032                 fnamecmp = partialptr;
1033                 fnamecmp_type = FNAMECMP_PARTIAL_DIR;
1034                 statret = 0;
1035         }
1036
1037         if (!do_xfers || read_batch || whole_file)
1038                 goto notify_others;
1039
1040         if (fuzzy_basis) {
1041                 int j = flist_find(fuzzy_dirlist, file);
1042                 if (j >= 0) /* don't use changing file as future fuzzy basis */
1043                         fuzzy_dirlist->files[j]->flags |= FLAG_NO_FUZZY;
1044         }
1045
1046         /* open the file */
1047         fd = do_open(fnamecmp, O_RDONLY, 0);
1048
1049         if (fd == -1) {
1050                 rsyserr(FERROR, errno, "failed to open %s, continuing",
1051                         full_fname(fnamecmp));
1052             pretend_missing:
1053                 /* pretend the file didn't exist */
1054                 if (preserve_hard_links
1055                     && hard_link_check(file, ndx, fname, statret, &st,
1056                                        itemizing, code, HL_SKIP))
1057                         return;
1058                 statret = real_ret = -1;
1059                 goto notify_others;
1060         }
1061
1062         if (inplace && make_backups && fnamecmp_type == FNAMECMP_FNAME) {
1063                 if (!(backupptr = get_backup_name(fname))) {
1064                         close(fd);
1065                         return;
1066                 }
1067                 if (!(back_file = make_file(fname, NULL, NO_FILTERS))) {
1068                         close(fd);
1069                         goto pretend_missing;
1070                 }
1071                 if (robust_unlink(backupptr) && errno != ENOENT) {
1072                         rsyserr(FERROR, errno, "unlink %s",
1073                                 full_fname(backupptr));
1074                         free(back_file);
1075                         close(fd);
1076                         return;
1077                 }
1078                 if ((f_copy = do_open(backupptr,
1079                     O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0600)) < 0) {
1080                         rsyserr(FERROR, errno, "open %s",
1081                                 full_fname(backupptr));
1082                         free(back_file);
1083                         close(fd);
1084                         return;
1085                 }
1086                 fnamecmp_type = FNAMECMP_BACKUP;
1087         }
1088
1089         if (verbose > 3) {
1090                 rprintf(FINFO, "gen mapped %s of size %.0f\n",
1091                         safe_fname(fnamecmp), (double)st.st_size);
1092         }
1093
1094         if (verbose > 2)
1095                 rprintf(FINFO, "generating and sending sums for %d\n", ndx);
1096
1097 notify_others:
1098         write_int(f_out, ndx);
1099         if (itemizing) {
1100                 int iflags = ITEM_TRANSFER;
1101                 if (always_checksum)
1102                         iflags |= ITEM_REPORT_CHECKSUM;
1103                 if (fnamecmp_type != FNAMECMP_FNAME)
1104                         iflags |= ITEM_BASIS_TYPE_FOLLOWS;
1105                 if (fnamecmp_type == FNAMECMP_FUZZY)
1106                         iflags |= ITEM_XNAME_FOLLOWS;
1107                 itemize(file, -1, real_ret, &real_st, iflags, fnamecmp_type,
1108                         fuzzy_file ? fuzzy_file->basename : NULL);
1109         }
1110
1111         if (!do_xfers) {
1112                 if (preserve_hard_links && file->link_u.links)
1113                         hard_link_cluster(file, ndx, itemizing, code);
1114                 return;
1115         }
1116         if (read_batch)
1117                 return;
1118
1119         if (statret != 0 || whole_file) {
1120                 write_sum_head(f_out, NULL);
1121                 return;
1122         }
1123
1124         generate_and_send_sums(fd, st.st_size, f_out, f_copy);
1125
1126         if (f_copy >= 0) {
1127                 close(f_copy);
1128                 set_perms(backupptr, back_file, NULL, 0);
1129                 if (verbose > 1) {
1130                         rprintf(FINFO, "backed up %s to %s\n",
1131                                 safe_fname(fname), safe_fname(backupptr));
1132                 }
1133                 free(back_file);
1134         }
1135
1136         close(fd);
1137 }
1138
1139
1140 void generate_files(int f_out, struct file_list *flist, char *local_name)
1141 {
1142         int i, lull_mod;
1143         char fbuf[MAXPATHLEN];
1144         int itemizing, maybe_PERMS_REPORT;
1145         enum logcode code;
1146         int need_retouch_dir_times = preserve_times && !omit_dir_times;
1147         int need_retouch_dir_perms = 0;
1148         int save_only_existing = only_existing;
1149         int save_opt_ignore_existing = opt_ignore_existing;
1150         int save_do_progress = do_progress;
1151         int save_make_backups = make_backups;
1152
1153         allowed_lull = read_batch ? 0 : (io_timeout + 1) / 2;
1154         lull_mod = allowed_lull * 5;
1155
1156         if (protocol_version >= 29) {
1157                 itemizing = 1;
1158                 maybe_PERMS_REPORT = log_format_has_i ? 0 : PERMS_REPORT;
1159                 code = daemon_log_format_has_i ? 0 : FLOG;
1160         } else if (am_daemon) {
1161                 itemizing = daemon_log_format_has_i && do_xfers;
1162                 maybe_PERMS_REPORT = PERMS_REPORT;
1163                 code = itemizing || !do_xfers ? FCLIENT : FINFO;
1164         } else if (!am_server) {
1165                 itemizing = log_format_has_i;
1166                 maybe_PERMS_REPORT = log_format_has_i ? 0 : PERMS_REPORT;
1167                 code = itemizing ? 0 : FINFO;
1168         } else {
1169                 itemizing = 0;
1170                 maybe_PERMS_REPORT = PERMS_REPORT;
1171                 code = FINFO;
1172         }
1173
1174         if (verbose > 2) {
1175                 rprintf(FINFO, "generator starting pid=%ld count=%d\n",
1176                         (long)getpid(), flist->count);
1177         }
1178
1179         if (delete_before && !local_name && flist->count > 0)
1180                 do_delete_pass(flist);
1181         do_progress = 0;
1182
1183         if (whole_file < 0)
1184                 whole_file = 0;
1185         if (verbose >= 2) {
1186                 rprintf(FINFO, "delta-transmission %s\n",
1187                         whole_file
1188                         ? "disabled for local transfer or --whole-file"
1189                         : "enabled");
1190         }
1191
1192         if (protocol_version < 29)
1193                 ignore_timeout = 1;
1194
1195         for (i = 0; i < flist->count; i++) {
1196                 struct file_struct *file = flist->files[i];
1197
1198                 if (!file->basename)
1199                         continue;
1200
1201                 recv_generator(local_name ? local_name : f_name_to(file, fbuf),
1202                                file, i, itemizing, maybe_PERMS_REPORT, code,
1203                                f_out);
1204
1205                 /* We need to ensure that any dirs we create have writeable
1206                  * permissions during the time we are putting files within
1207                  * them.  This is then fixed after the transfer is done. */
1208                 if (!am_root && S_ISDIR(file->mode) && !(file->mode & S_IWUSR)
1209                     && !list_only) {
1210                         int mode = file->mode | S_IWUSR; /* user write */
1211                         char *fname = local_name ? local_name : fbuf;
1212                         if (do_chmod(fname, mode & CHMOD_BITS) < 0) {
1213                                 rsyserr(FERROR, errno,
1214                                         "failed to modify permissions on %s",
1215                                         full_fname(fname));
1216                         }
1217                         need_retouch_dir_perms = 1;
1218                 }
1219
1220                 if (preserve_hard_links)
1221                         check_for_finished_hlinks(itemizing, code);
1222
1223                 if (allowed_lull && !(i % lull_mod))
1224                         maybe_send_keepalive();
1225                 else if (!(i % 200))
1226                         maybe_flush_socket();
1227         }
1228         recv_generator(NULL, NULL, 0, 0, 0, code, -1);
1229         if (delete_during)
1230                 delete_in_dir(NULL, NULL, NULL);
1231
1232         phase++;
1233         csum_length = SUM_LENGTH;
1234         only_existing = max_size = opt_ignore_existing = 0;
1235         update_only = always_checksum = size_only = 0;
1236         ignore_times = 1;
1237         make_backups = 0; /* avoid a duplicate backup for inplace processing */
1238
1239         /* We expect to just sit around now, so don't exit on a timeout.
1240          * If we really get a timeout then the other process should exit. */
1241         ignore_timeout = 1;
1242
1243         if (verbose > 2)
1244                 rprintf(FINFO,"generate_files phase=%d\n",phase);
1245
1246         write_int(f_out, -1);
1247
1248         /* files can cycle through the system more than once
1249          * to catch initial checksum errors */
1250         while ((i = get_redo_num(itemizing, code)) != -1) {
1251                 struct file_struct *file = flist->files[i];
1252                 recv_generator(local_name ? local_name : f_name_to(file, fbuf),
1253                                file, i, itemizing, maybe_PERMS_REPORT, code,
1254                                f_out);
1255         }
1256
1257         phase++;
1258         only_existing = save_only_existing;
1259         opt_ignore_existing = save_opt_ignore_existing;
1260         make_backups = save_make_backups;
1261
1262         if (verbose > 2)
1263                 rprintf(FINFO,"generate_files phase=%d\n",phase);
1264
1265         write_int(f_out, -1);
1266         /* Reduce round-trip lag-time for a useless delay-updates phase. */
1267         if (protocol_version >= 29 && !delay_updates)
1268                 write_int(f_out, -1);
1269
1270         /* Read MSG_DONE for the redo phase (and any prior messages). */
1271         get_redo_num(itemizing, code);
1272
1273         if (protocol_version >= 29) {
1274                 phase++;
1275                 if (verbose > 2)
1276                         rprintf(FINFO, "generate_files phase=%d\n", phase);
1277                 if (delay_updates)
1278                         write_int(f_out, -1);
1279                 /* Read MSG_DONE for delay-updates phase & prior messages. */
1280                 get_redo_num(itemizing, code);
1281         }
1282
1283         do_progress = save_do_progress;
1284         if (delete_after && !local_name && flist->count > 0)
1285                 do_delete_pass(flist);
1286
1287         if ((need_retouch_dir_perms || need_retouch_dir_times)
1288             && !list_only && !local_name && !dry_run) {
1289                 int j = 0;
1290                 /* Now we need to fix any directory permissions that were
1291                  * modified during the transfer and/or re-set any tweaked
1292                  * modified-time values. */
1293                 for (i = 0; i < flist->count; i++) {
1294                         struct file_struct *file = flist->files[i];
1295                         if (!file->basename || !S_ISDIR(file->mode))
1296                                 continue;
1297                         if (!need_retouch_dir_times && file->mode & S_IWUSR)
1298                                 continue;
1299                         recv_generator(f_name(file), file, i, itemizing,
1300                                        maybe_PERMS_REPORT, code, -1);
1301                         if (allowed_lull && !(++j % lull_mod))
1302                                 maybe_send_keepalive();
1303                         else if (!(j % 200))
1304                                 maybe_flush_socket();
1305                 }
1306         }
1307         recv_generator(NULL, NULL, 0, 0, 0, code, -1);
1308
1309         if (max_delete > 0 && deletion_count > max_delete) {
1310                 rprintf(FINFO,
1311                         "Deletions stopped due to --max-delete limit (%d skipped)\n",
1312                         deletion_count - max_delete);
1313                 io_error |= IOERR_DEL_LIMIT;
1314         }
1315
1316         if (verbose > 2)
1317                 rprintf(FINFO,"generate_files finished\n");
1318 }