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_error;
  63 extern int allowed_lull;
  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 static int deletion_count = 0; /* used to implement --max-delete */
  93
  94
  95 static int is_backup_file(char *fn)
  96 {
  97         int k = strlen(fn) - backup_suffix_len;
  98         return k > 0 && strcmp(fn+k, backup_suffix) == 0;
  99 }
 100
 101
 102 /* Delete a file or directory.  If DEL_FORCE_RECURSE is set in the flags, or if
 103  * force_delete is set, this will delete recursively as long as DEL_NO_RECURSE
 104  * is not set in the flags. */
 105 static int delete_item(char *fname, int mode, int flags)
 106 {
 107         struct file_list *dirlist;
 108         char buf[MAXPATHLEN];
 109         int j, dlen, zap_dir, ok;
 110         void *save_filters;
 111
 112         if (!S_ISDIR(mode)) {
 113                 if (max_delete && ++deletion_count > max_delete)
 114                         return 0;
 115                 if (make_backups && (backup_dir || !is_backup_file(fname)))
 116                         ok = make_backup(fname);
 117                 else
 118                         ok = robust_unlink(fname) == 0;
 119                 if (ok) {
 120                         if (!(flags & DEL_TERSE))
 121                                 log_delete(fname, mode);
 122                         return 0;
 123                 }
 124                 if (errno == ENOENT) {
 125                         deletion_count--;
 126                         return 0;
 127                 }
 128                 rsyserr(FERROR, errno, "delete_file: unlink %s failed",
 129                         full_fname(fname));
 130                 return -1;
 131         }
 132
 133         zap_dir = (flags & DEL_FORCE_RECURSE || (force_delete && recurse))
 134                 && !(flags & DEL_NO_RECURSE);
 135         if ((max_delete && ++deletion_count > max_delete)
 136             || (dry_run && zap_dir)) {
 137                 ok = 0;
 138                 errno = ENOTEMPTY;
 139         } else if (make_backups && !backup_dir && !is_backup_file(fname)
 140             && !(flags & DEL_FORCE_RECURSE))
 141                 ok = make_backup(fname);
 142         else
 143                 ok = do_rmdir(fname) == 0;
 144         if (ok) {
 145                 if (!(flags & DEL_TERSE))
 146                         log_delete(fname, mode);
 147                 return 0;
 148         }
 149         if (errno == ENOENT) {
 150                 deletion_count--;
 151                 return 0;
 152         }
 153         if (!zap_dir || (errno != ENOTEMPTY && errno != EEXIST)) {
 154                 rsyserr(FERROR, errno, "delete_file: rmdir %s failed",
 155                         full_fname(fname));
 156                 return -1;
 157         }
 158         flags |= DEL_FORCE_RECURSE; /* mark subdir dels as not "in the way" */
 159         deletion_count--;
 160
 161         dlen = strlcpy(buf, fname, MAXPATHLEN);
 162         save_filters = push_local_filters(buf, dlen);
 163
 164         dirlist = get_dirlist(buf, dlen, 0);
 165         for (j = dirlist->count; j--; ) {
 166                 struct file_struct *fp = dirlist->files[j];
 167
 168                 if (fp->flags & FLAG_MOUNT_POINT)
 169                         continue;
 170
 171                 f_name_to(fp, buf);
 172                 if (delete_item(buf, fp->mode, flags & ~DEL_TERSE) != 0) {
 173                         flist_free(dirlist);
 174                         return -1;
 175                 }
 176         }
 177         flist_free(dirlist);
 178
 179         pop_local_filters(save_filters);
 180
 181         if (max_delete && ++deletion_count > max_delete)
 182                 return 0;
 183
 184         if (do_rmdir(fname) == 0) {
 185                 if (!(flags & DEL_TERSE))
 186                         log_delete(fname, mode);
 187         } else if (errno != ENOTEMPTY && errno != EEXIST && errno != ENOENT) {
 188                 rsyserr(FERROR, errno, "delete_file: rmdir %s failed",
 189                         full_fname(fname));
 190                 return -1;
 191         }
 192
 193         return 0;
 194 }
 195
 196
 197 /* This function is used to implement per-directory deletion, and is used by
 198  * all the --delete-WHEN options.  Note that the fbuf pointer must point to a
 199  * MAXPATHLEN buffer with the name of the directory in it (the functions we
 200  * call will append names onto the end, but the old dir value will be restored
 201  * on exit). */
 202 static void delete_in_dir(struct file_list *flist, char *fbuf,
 203                           struct file_struct *file)
 204 {
 205         static int min_depth = MAXPATHLEN, cur_depth = -1;
 206         static void *filt_array[MAXPATHLEN/2+1];
 207         static int already_warned = 0;
 208         struct file_list *dirlist;
 209         char delbuf[MAXPATHLEN];
 210         STRUCT_STAT st;
 211         int dlen, i;
 212
 213         if (!flist) {
 214                 while (cur_depth >= min_depth)
 215                         pop_local_filters(filt_array[cur_depth--]);
 216                 min_depth = MAXPATHLEN;
 217                 cur_depth = -1;
 218                 return;
 219         }
 220
 221         if (verbose > 2)
 222                 rprintf(FINFO, "delete_in_dir(%s)\n", safe_fname(fbuf));
 223
 224         if (allowed_lull)
 225                 maybe_send_keepalive();
 226
 227         if (file->dir.depth >= MAXPATHLEN/2+1)
 228                 return; /* Impossible... */
 229
 230         if (io_error && !(lp_ignore_errors(module_id) || ignore_errors)) {
 231                 if (already_warned)
 232                         return;
 233                 rprintf(FINFO,
 234                         "IO error encountered -- skipping file deletion\n");
 235                 already_warned = 1;
 236                 return;
 237         }
 238
 239         while (cur_depth >= file->dir.depth && cur_depth >= min_depth)
 240                 pop_local_filters(filt_array[cur_depth--]);
 241         cur_depth = file->dir.depth;
 242         if (min_depth > cur_depth)
 243                 min_depth = cur_depth;
 244         dlen = strlen(fbuf);
 245         filt_array[cur_depth] = push_local_filters(fbuf, dlen);
 246
 247         if (link_stat(fbuf, &st, keep_dirlinks) < 0)
 248                 return;
 249
 250         if (one_file_system) {
 251                 if (file->flags & FLAG_TOP_DIR)
 252                         filesystem_dev = st.st_dev;
 253                 else if (filesystem_dev != st.st_dev)
 254                         return;
 255         }
 256
 257         dirlist = get_dirlist(fbuf, dlen, 0);
 258
 259         /* If an item in dirlist is not found in flist, delete it
 260          * from the filesystem. */
 261         for (i = dirlist->count; i--; ) {
 262                 struct file_struct *fp = dirlist->files[i];
 263                 if (!fp->basename || fp->flags & FLAG_MOUNT_POINT)
 264                         continue;
 265                 if (flist_find(flist, fp) < 0) {
 266                         int mode = fp->mode;
 267                         f_name_to(fp, delbuf);
 268                         if (delete_item(delbuf, mode, DEL_FORCE_RECURSE) < 0)
 269                                 break;
 270                 }
 271         }
 272
 273         flist_free(dirlist);
 274 }
 275
 276 /* This deletes any files on the receiving side that are not present on the
 277  * sending side.  This is used by --delete-before and --delete-after. */
 278 static void do_delete_pass(struct file_list *flist)
 279 {
 280         char fbuf[MAXPATHLEN];
 281         int j;
 282
 283         if (dry_run > 1 /* destination doesn't exist yet */
 284          || list_only)
 285                 return;
 286
 287         for (j = 0; j < flist->count; j++) {
 288                 struct file_struct *file = flist->files[j];
 289
 290                 if (!(file->flags & FLAG_DEL_HERE))
 291                         continue;
 292
 293                 f_name_to(file, fbuf);
 294                 if (verbose > 1 && file->flags & FLAG_TOP_DIR)
 295                         rprintf(FINFO, "deleting in %s\n", safe_fname(fbuf));
 296
 297                 delete_in_dir(flist, fbuf, file);
 298         }
 299         if (do_progress && !am_server)
 300                 rprintf(FINFO, "                    \r");
 301 }
 302
 303 static int unchanged_attrs(struct file_struct *file, STRUCT_STAT *st)
 304 {
 305         if (preserve_perms
 306          && (st->st_mode & CHMOD_BITS) != (file->mode & CHMOD_BITS))
 307                 return 0;
 308
 309         if (am_root && preserve_uid && st->st_uid != file->uid)
 310                 return 0;
 311
 312         if (preserve_gid && file->gid != GID_NONE && st->st_gid != file->gid)
 313                 return 0;
 314
 315         return 1;
 316 }
 317
 318
 319 void itemize(struct file_struct *file, int ndx, int statret, STRUCT_STAT *st,
 320              int32 iflags, uchar fnamecmp_type, char *xname)
 321 {
 322         if (statret == 0) {
 323                 if (S_ISREG(file->mode) && file->length != st->st_size)
 324                         iflags |= ITEM_REPORT_SIZE;
 325                 if (!(iflags & ITEM_NO_DEST_AND_NO_UPDATE)) {
 326                         int keep_time = !preserve_times ? 0
 327                             : S_ISDIR(file->mode) ? !omit_dir_times
 328                             : !S_ISLNK(file->mode);
 329
 330                         if ((iflags & (ITEM_TRANSFER|ITEM_LOCAL_CHANGE) && !keep_time)
 331                             || (keep_time && file->modtime != st->st_mtime))
 332                                 iflags |= ITEM_REPORT_TIME;
 333                         if (preserve_perms && file->mode != st->st_mode)
 334                                 iflags |= ITEM_REPORT_PERMS;
 335                         if (preserve_uid && am_root && file->uid != st->st_uid)
 336                                 iflags |= ITEM_REPORT_OWNER;
 337                         if (preserve_gid && file->gid != GID_NONE
 338                             && st->st_gid != file->gid)
 339                                 iflags |= ITEM_REPORT_GROUP;
 340                 }
 341         } else
 342                 iflags |= ITEM_IS_NEW;
 343
 344         iflags &= 0xffff;
 345         if ((iflags & SIGNIFICANT_ITEM_FLAGS || verbose > 1
 346           || (xname && *xname)) && !read_batch) {
 347                 if (protocol_version >= 29) {
 348                         if (ndx >= 0)
 349                                 write_int(sock_f_out, ndx);
 350                         write_shortint(sock_f_out, iflags);
 351                         if (iflags & ITEM_BASIS_TYPE_FOLLOWS)
 352                                 write_byte(sock_f_out, fnamecmp_type);
 353                         if (iflags & ITEM_XNAME_FOLLOWS)
 354                                 write_vstring(sock_f_out, xname, strlen(xname));
 355                 } else if (ndx >= 0)
 356                         log_item(file, &stats, iflags, xname);
 357         }
 358 }
 359
 360
 361 /* Perform our quick-check heuristic for determining if a file is unchanged. */
 362 static int unchanged_file(char *fn, struct file_struct *file, STRUCT_STAT *st)
 363 {
 364         if (st->st_size != file->length)
 365                 return 0;
 366
 367         /* if always checksum is set then we use the checksum instead
 368            of the file time to determine whether to sync */
 369         if (always_checksum && S_ISREG(st->st_mode)) {
 370                 char sum[MD4_SUM_LENGTH];
 371                 file_checksum(fn, sum, st->st_size);
 372                 return memcmp(sum, file->u.sum, protocol_version < 21 ? 2
 373                                                         : MD4_SUM_LENGTH) == 0;
 374         }
 375
 376         if (size_only)
 377                 return 1;
 378
 379         if (ignore_times)
 380                 return 0;
 381
 382         return cmp_modtime(st->st_mtime, file->modtime) == 0;
 383 }
 384
 385
 386 /*
 387  * set (initialize) the size entries in the per-file sum_struct
 388  * calculating dynamic block and checksum sizes.
 389  *
 390  * This is only called from generate_and_send_sums() but is a separate
 391  * function to encapsulate the logic.
 392  *
 393  * The block size is a rounded square root of file length.
 394  *
 395  * The checksum size is determined according to:
 396  *     blocksum_bits = BLOCKSUM_BIAS + 2*log2(file_len) - log2(block_len)
 397  * provided by Donovan Baarda which gives a probability of rsync
 398  * algorithm corrupting data and falling back using the whole md4
 399  * checksums.
 400  *
 401  * This might be made one of several selectable heuristics.
 402  */
 403 static void sum_sizes_sqroot(struct sum_struct *sum, int64 len)
 404 {
 405         int32 blength;
 406         int s2length;
 407
 408         if (block_size)
 409                 blength = block_size;
 410         else if (len <= BLOCK_SIZE * BLOCK_SIZE)
 411                 blength = BLOCK_SIZE;
 412         else {
 413                 int32 c;
 414                 int64 l;
 415                 int cnt;
 416                 for (c = 1, l = len, cnt = 0; l >>= 2; c <<= 1, cnt++) {}
 417                 if (cnt >= 31 || c >= MAX_BLOCK_SIZE)
 418                         blength = MAX_BLOCK_SIZE;
 419                 else {
 420                     blength = 0;
 421                     do {
 422                             blength |= c;
 423                             if (len < (int64)blength * blength)
 424                                     blength &= ~c;
 425                             c >>= 1;
 426                     } while (c >= 8);   /* round to multiple of 8 */
 427                     blength = MAX(blength, BLOCK_SIZE);
 428                 }
 429         }
 430
 431         if (protocol_version < 27) {
 432                 s2length = csum_length;
 433         } else if (csum_length == SUM_LENGTH) {
 434                 s2length = SUM_LENGTH;
 435         } else {
 436                 int32 c;
 437                 int64 l;
 438                 int b = BLOCKSUM_BIAS;
 439                 for (l = len; l >>= 1; b += 2) {}
 440                 for (c = blength; c >>= 1 && b; b--) {}
 441                 /* add a bit, subtract rollsum, round up. */
 442                 s2length = (b + 1 - 32 + 7) / 8; /* --optimize in compiler-- */
 443                 s2length = MAX(s2length, csum_length);
 444                 s2length = MIN(s2length, SUM_LENGTH);
 445         }
 446
 447         sum->flength    = len;
 448         sum->blength    = blength;
 449         sum->s2length   = s2length;
 450         sum->count      = (len + (blength - 1)) / blength;
 451         sum->remainder  = (len % blength);
 452
 453         if (sum->count && verbose > 2) {
 454                 rprintf(FINFO,
 455                         "count=%.0f rem=%ld blength=%ld s2length=%d flength=%.0f\n",
 456                         (double)sum->count, (long)sum->remainder, (long)sum->blength,
 457                         sum->s2length, (double)sum->flength);
 458         }
 459 }
 460
 461
 462 /*
 463  * Generate and send a stream of signatures/checksums that describe a buffer
 464  *
 465  * Generate approximately one checksum every block_len bytes.
 466  */
 467 static void generate_and_send_sums(int fd, OFF_T len, int f_out, int f_copy)
 468 {
 469         int32 i;
 470         struct map_struct *mapbuf;
 471         struct sum_struct sum;
 472         OFF_T offset = 0;
 473
 474         sum_sizes_sqroot(&sum, len);
 475
 476         if (len > 0)
 477                 mapbuf = map_file(fd, len, MAX_MAP_SIZE, sum.blength);
 478         else
 479                 mapbuf = NULL;
 480
 481         write_sum_head(f_out, &sum);
 482
 483         for (i = 0; i < sum.count; i++) {
 484                 int32 n1 = (int32)MIN(len, (OFF_T)sum.blength);
 485                 char *map = map_ptr(mapbuf, offset, n1);
 486                 uint32 sum1 = get_checksum1(map, n1);
 487                 char sum2[SUM_LENGTH];
 488
 489                 if (f_copy >= 0)
 490                         full_write(f_copy, map, n1);
 491
 492                 get_checksum2(map, n1, sum2);
 493
 494                 if (verbose > 3) {
 495                         rprintf(FINFO,
 496                                 "chunk[%.0f] offset=%.0f len=%ld sum1=%08lx\n",
 497                                 (double)i, (double)offset, (long)n1,
 498                                 (unsigned long)sum1);
 499                 }
 500                 write_int(f_out, sum1);
 501                 write_buf(f_out, sum2, sum.s2length);
 502                 len -= n1;
 503                 offset += n1;
 504         }
 505
 506         if (mapbuf)
 507                 unmap_file(mapbuf);
 508 }
 509
 510
 511 /* Try to find a filename in the same dir as "fname" with a similar name. */
 512 static int find_fuzzy(struct file_struct *file, struct file_list *dirlist)
 513 {
 514         int fname_len, fname_suf_len;
 515         const char *fname_suf, *fname = file->basename;
 516         uint32 lowest_dist = 25 << 16; /* ignore a distance greater than 25 */
 517         int j, lowest_j = -1;
 518
 519         fname_len = strlen(fname);
 520         fname_suf = find_filename_suffix(fname, fname_len, &fname_suf_len);
 521
 522         for (j = 0; j < dirlist->count; j++) {
 523                 struct file_struct *fp = dirlist->files[j];
 524                 const char *suf, *name;
 525                 int len, suf_len;
 526                 uint32 dist;
 527
 528                 if (!S_ISREG(fp->mode) || !fp->length
 529                     || fp->flags & FLAG_NO_FUZZY)
 530                         continue;
 531
 532                 name = fp->basename;
 533
 534                 if (fp->length == file->length
 535                     && fp->modtime == file->modtime) {
 536                         if (verbose > 4) {
 537                                 rprintf(FINFO,
 538                                         "fuzzy size/modtime match for %s\n",
 539                                         name);
 540                         }
 541                         return j;
 542                 }
 543
 544                 len = strlen(name);
 545                 suf = find_filename_suffix(name, len, &suf_len);
 546
 547                 dist = fuzzy_distance(name, len, fname, fname_len);
 548                 /* Add some extra weight to how well the suffixes match. */
 549                 dist += fuzzy_distance(suf, suf_len, fname_suf, fname_suf_len)
 550                       * 10;
 551                 if (verbose > 4) {
 552                         rprintf(FINFO, "fuzzy distance for %s = %d.%05d\n",
 553                                 name, (int)(dist>>16), (int)(dist&0xFFFF));
 554                 }
 555                 if (dist <= lowest_dist) {
 556                         lowest_dist = dist;
 557                         lowest_j = j;
 558                 }
 559         }
 560
 561         return lowest_j;
 562 }
 563
 564 void check_for_finished_hlinks(int itemizing, enum logcode code)
 565 {
 566         struct file_struct *file;
 567         int ndx;
 568
 569         while ((ndx = get_hlink_num()) != -1) {
 570                 if (ndx < 0 || ndx >= the_file_list->count)
 571                         continue;
 572
 573                 file = the_file_list->files[ndx];
 574                 if (!file->link_u.links)
 575                         continue;
 576
 577                 hard_link_cluster(file, ndx, itemizing, code);
 578         }
 579 }
 580
 581 static int phase = 0;
 582
 583 /* Acts on the_file_list->file's ndx'th item, whose name is fname.  If a dir,
 584  * make sure it exists, and has the right permissions/timestamp info.  For
 585  * all other non-regular files (symlinks, etc.) we create them here.  For
 586  * regular files that have changed, we try to find a basis file and then
 587  * start sending checksums.
 588  *
 589  * Note that f_out is set to -1 when doing final directory-permission and
 590  * modification-time repair. */
 591 static void recv_generator(char *fname, struct file_struct *file, int ndx,
 592                            int itemizing, int maybe_PERMS_REPORT,
 593                            enum logcode code, int f_out)
 594 {
 595         static int missing_below = -1, excluded_below = -1;
 596         static char *fuzzy_dirname = "";
 597         static struct file_list *fuzzy_dirlist = NULL;
 598         struct file_struct *fuzzy_file = NULL;
 599         int fd = -1, f_copy = -1;
 600         STRUCT_STAT st, real_st, partial_st;
 601         struct file_struct *back_file = NULL;
 602         int statret, real_ret, stat_errno;
 603         char *fnamecmp, *partialptr, *backupptr = NULL;
 604         char fnamecmpbuf[MAXPATHLEN];
 605         uchar fnamecmp_type;
 606
 607         if (list_only)
 608                 return;
 609
 610         if (!fname) {
 611                 if (fuzzy_dirlist) {
 612                         flist_free(fuzzy_dirlist);
 613                         fuzzy_dirlist = NULL;
 614                         fuzzy_dirname = "";
 615                 }
 616                 if (missing_below >= 0) {
 617                         dry_run--;
 618                         missing_below = -1;
 619                 }
 620                 return;
 621         }
 622
 623         if (verbose > 2) {
 624                 rprintf(FINFO, "recv_generator(%s,%d)\n",
 625                         safe_fname(fname), ndx);
 626         }
 627
 628         if (server_filter_list.head) {
 629                 if (excluded_below >= 0) {
 630                         if (file->dir.depth > excluded_below)
 631                                 goto skipping;
 632                         excluded_below = -1;
 633                 }
 634                 if (check_filter(&server_filter_list, fname,
 635                                  S_ISDIR(file->mode)) < 0) {
 636                         if (S_ISDIR(file->mode))
 637                                 excluded_below = file->dir.depth;
 638                     skipping:
 639                         if (verbose) {
 640                                 rprintf(FINFO,
 641                                         "skipping server-excluded file \"%s\"\n",
 642                                         safe_fname(fname));
 643                         }
 644                         return;
 645                 }
 646         }
 647
 648         if (missing_below >= 0 && file->dir.depth <= missing_below) {
 649                 dry_run--;
 650                 missing_below = -1;
 651         }
 652         if (dry_run > 1) {
 653                 statret = -1;
 654                 stat_errno = ENOENT;
 655         } else {
 656                 if (fuzzy_basis && S_ISREG(file->mode)) {
 657                         char *dn = file->dirname ? file->dirname : ".";
 658                         if (fuzzy_dirname != dn
 659                             && strcmp(fuzzy_dirname, dn) != 0) {
 660                                 if (fuzzy_dirlist)
 661                                         flist_free(fuzzy_dirlist);
 662                                 fuzzy_dirlist = get_dirlist(dn, -1, 1);
 663                         }
 664                         fuzzy_dirname = dn;
 665                 }
 666
 667                 statret = link_stat(fname, &st,
 668                                     keep_dirlinks && S_ISDIR(file->mode));
 669                 stat_errno = errno;
 670         }
 671
 672         if (only_existing && statret == -1 && stat_errno == ENOENT) {
 673                 /* we only want to update existing files */
 674                 if (verbose > 1) {
 675                         rprintf(FINFO, "not creating new %s \"%s\"\n",
 676                                 S_ISDIR(file->mode) ? "directory" : "file",
 677                                 safe_fname(fname));
 678                 }
 679                 return;
 680         }
 681
 682         if (statret == 0 && !preserve_perms
 683             && S_ISDIR(st.st_mode) == S_ISDIR(file->mode)) {
 684                 /* if the file exists already and we aren't perserving
 685                  * permissions then act as though the remote end sent
 686                  * us the file permissions we already have */
 687                 file->mode = (file->mode & ~CHMOD_BITS)
 688                            | (st.st_mode & CHMOD_BITS);
 689         }
 690
 691         if (S_ISDIR(file->mode)) {
 692                 /* The file to be received is a directory, so we need
 693                  * to prepare appropriately.  If there is already a
 694                  * file of that name and it is *not* a directory, then
 695                  * we need to delete it.  If it doesn't exist, then
 696                  * (perhaps recursively) create it. */
 697                 if (statret == 0 && !S_ISDIR(st.st_mode)) {
 698                         if (delete_item(fname, st.st_mode, DEL_TERSE) < 0)
 699                                 return;
 700                         statret = -1;
 701                 }
 702                 if (dry_run && statret != 0 && missing_below < 0) {
 703                         missing_below = file->dir.depth;
 704                         dry_run++;
 705                 }
 706                 if (itemizing && f_out != -1) {
 707                         itemize(file, ndx, statret, &st,
 708                                 statret ? ITEM_LOCAL_CHANGE : 0, 0, NULL);
 709                 }
 710                 if (statret != 0 && do_mkdir(fname,file->mode) != 0 && errno != EEXIST) {
 711                         if (!relative_paths || errno != ENOENT
 712                             || create_directory_path(fname, orig_umask) < 0
 713                             || do_mkdir(fname, file->mode) < 0) {
 714                                 rsyserr(FERROR, errno,
 715                                         "recv_generator: mkdir %s failed",
 716                                         full_fname(fname));
 717                         }
 718                 }
 719                 if (set_perms(fname, file, statret ? NULL : &st, 0)
 720                     && verbose && code && f_out != -1)
 721                         rprintf(code, "%s/\n", safe_fname(fname));
 722                 if (delete_during && f_out != -1 && !phase && dry_run < 2
 723                     && (file->flags & FLAG_DEL_HERE))
 724                         delete_in_dir(the_file_list, fname, file);
 725                 return;
 726         }
 727
 728         if (preserve_links && S_ISLNK(file->mode)) {
 729 #ifdef SUPPORT_LINKS
 730                 if (safe_symlinks && unsafe_symlink(file->u.link, fname)) {
 731                         if (verbose) {
 732                                 if (the_file_list->count == 1)
 733                                         fname = f_name(file);
 734                                 rprintf(FINFO,
 735                                         "ignoring unsafe symlink %s -> \"%s\"\n",
 736                                         full_fname(fname),
 737                                         safe_fname(file->u.link));
 738                         }
 739                         return;
 740                 }
 741                 if (statret == 0) {
 742                         char lnk[MAXPATHLEN];
 743                         int len;
 744
 745                         if (!S_ISDIR(st.st_mode)
 746                             && (len = readlink(fname, lnk, MAXPATHLEN-1)) > 0) {
 747                                 lnk[len] = 0;
 748                                 /* A link already pointing to the
 749                                  * right place -- no further action
 750                                  * required. */
 751                                 if (strcmp(lnk, file->u.link) == 0) {
 752                                         if (itemizing) {
 753                                                 itemize(file, ndx, 0, &st, 0,
 754                                                         0, NULL);
 755                                         }
 756                                         set_perms(fname, file, &st,
 757                                                   maybe_PERMS_REPORT);
 758                                         return;
 759                                 }
 760                         }
 761                         /* Not the right symlink (or not a symlink), so
 762                          * delete it. */
 763                         if (delete_item(fname, st.st_mode, DEL_TERSE) < 0)
 764                                 return;
 765                         if (!S_ISLNK(st.st_mode))
 766                                 statret = -1;
 767                 }
 768                 if (do_symlink(file->u.link,fname) != 0) {
 769                         rsyserr(FERROR, errno, "symlink %s -> \"%s\" failed",
 770                                 full_fname(fname), safe_fname(file->u.link));
 771                 } else {
 772                         set_perms(fname,file,NULL,0);
 773                         if (itemizing) {
 774                                 itemize(file, ndx, statret, &st,
 775                                         ITEM_LOCAL_CHANGE, 0, NULL);
 776                         }
 777                         if (code && verbose) {
 778                                 rprintf(code, "%s -> %s\n", safe_fname(fname),
 779                                         safe_fname(file->u.link));
 780                         }
 781                         if (remove_sent_files && !dry_run) {
 782                                 char numbuf[4];
 783                                 SIVAL(numbuf, 0, ndx);
 784                                 send_msg(MSG_SUCCESS, numbuf, 4);
 785                         }
 786                 }
 787 #endif
 788                 return;
 789         }
 790
 791         if (am_root && preserve_devices && IS_DEVICE(file->mode)) {
 792                 if (statret != 0 ||
 793                     st.st_mode != file->mode ||
 794                     st.st_rdev != file->u.rdev) {
 795                         if (delete_item(fname, st.st_mode, DEL_TERSE) < 0)
 796                                 return;
 797                         if (!IS_DEVICE(st.st_mode))
 798                                 statret = -1;
 799                         if (verbose > 2) {
 800                                 rprintf(FINFO,"mknod(%s,0%o,0x%x)\n",
 801                                         safe_fname(fname),
 802                                         (int)file->mode, (int)file->u.rdev);
 803                         }
 804                         if (do_mknod(fname,file->mode,file->u.rdev) != 0) {
 805                                 rsyserr(FERROR, errno, "mknod %s failed",
 806                                         full_fname(fname));
 807                         } else {
 808                                 set_perms(fname,file,NULL,0);
 809                                 if (itemizing) {
 810                                         itemize(file, ndx, statret, &st,
 811                                                 ITEM_LOCAL_CHANGE, 0, NULL);
 812                                 }
 813                                 if (code && verbose) {
 814                                         rprintf(code, "%s\n",
 815                                                 safe_fname(fname));
 816                                 }
 817                         }
 818                 } else {
 819                         if (itemizing)
 820                                 itemize(file, ndx, statret, &st, 0, 0, NULL);
 821                         set_perms(fname, file, &st, maybe_PERMS_REPORT);
 822                 }
 823                 return;
 824         }
 825
 826         if (preserve_hard_links
 827             && hard_link_check(file, ndx, fname, statret, &st,
 828                                itemizing, code, HL_CHECK_MASTER))
 829                 return;
 830
 831         if (!S_ISREG(file->mode)) {
 832                 if (the_file_list->count == 1)
 833                         fname = f_name(file);
 834                 rprintf(FINFO, "skipping non-regular file \"%s\"\n",
 835                         safe_fname(fname));
 836                 return;
 837         }
 838
 839         if (max_size && file->length > max_size) {
 840                 if (verbose > 1) {
 841                         if (the_file_list->count == 1)
 842                                 fname = f_name(file);
 843                         rprintf(FINFO, "%s is over max-size\n",
 844                                 safe_fname(fname));
 845                 }
 846                 return;
 847         }
 848
 849         if (opt_ignore_existing && statret == 0) {
 850                 if (verbose > 1)
 851                         rprintf(FINFO, "%s exists\n", safe_fname(fname));
 852                 return;
 853         }
 854
 855         if (update_only && statret == 0
 856             && cmp_modtime(st.st_mtime, file->modtime) > 0) {
 857                 if (verbose > 1)
 858                         rprintf(FINFO, "%s is newer\n", safe_fname(fname));
 859                 return;
 860         }
 861
 862         fnamecmp = fname;
 863         fnamecmp_type = FNAMECMP_FNAME;
 864
 865         if (statret == 0 && !S_ISREG(st.st_mode)) {
 866                 if (delete_item(fname, st.st_mode, DEL_TERSE) != 0)
 867                         return;
 868                 statret = -1;
 869                 stat_errno = ENOENT;
 870         }
 871
 872         if (statret != 0 && basis_dir[0] != NULL) {
 873                 int best_match = -1;
 874                 int match_level = 0;
 875                 int i = 0;
 876                 do {
 877                         pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
 878                                  basis_dir[i], fname);
 879                         if (link_stat(fnamecmpbuf, &st, 0) < 0
 880                             || !S_ISREG(st.st_mode))
 881                                 continue;
 882                         switch (match_level) {
 883                         case 0:
 884                                 best_match = i;
 885                                 match_level = 1;
 886                                 /* FALL THROUGH */
 887                         case 1:
 888                                 if (!unchanged_file(fnamecmpbuf, file, &st))
 889                                         continue;
 890                                 best_match = i;
 891                                 match_level = 2;
 892                                 if (copy_dest)
 893                                         break;
 894                                 /* FALL THROUGH */
 895                         case 2:
 896                                 if (!unchanged_attrs(file, &st))
 897                                         continue;
 898                                 best_match = i;
 899                                 match_level = 3;
 900                                 break;
 901                         }
 902                         break;
 903                 } while (basis_dir[++i] != NULL);
 904                 if (match_level) {
 905                         statret = 0;
 906                         if (i != best_match) {
 907                                 i = best_match;
 908                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
 909                                          basis_dir[i], fname);
 910                                 if (link_stat(fnamecmpbuf, &st, 0) < 0) {
 911                                         match_level = 0;
 912                                         statret = -1;
 913                                         stat_errno = errno;
 914                                 }
 915                         }
 916 #ifdef HAVE_LINK
 917                         if (link_dest && match_level == 3) {
 918                                 if (hard_link_one(file, ndx, fname, -1, &st,
 919                                                   fnamecmpbuf, 1,
 920                                                   itemizing && verbose > 1,
 921                                                   code) == 0) {
 922                                         if (preserve_hard_links
 923                                             && file->link_u.links) {
 924                                                 hard_link_cluster(file, ndx,
 925                                                                   itemizing,
 926                                                                   code);
 927                                         }
 928                                         return;
 929                                 }
 930                                 match_level = 2;
 931                         }
 932 #endif
 933                         if (match_level == 2) {
 934                                 /* Copy the file locally. */
 935                                 if (copy_file(fnamecmpbuf, fname, file->mode) < 0) {
 936                                         if (verbose) {
 937                                                 rsyserr(FINFO, errno,
 938                                                         "copy_file %s => %s",
 939                                                         full_fname(fnamecmpbuf),
 940                                                         safe_fname(fname));
 941                                         }
 942                                         match_level = 0;
 943                                         statret = -1;
 944                                 } else {
 945                                         if (itemizing) {
 946                                                 itemize(file, ndx, 0, &st,
 947                                                         ITEM_LOCAL_CHANGE, 0,
 948                                                         NULL);
 949                                         } else if (verbose && code) {
 950                                                 rprintf(code, "%s\n",
 951                                                         safe_fname(fname));
 952                                         }
 953                                         set_perms(fname, file, NULL,
 954                                                   maybe_PERMS_REPORT);
 955                                         if (preserve_hard_links
 956                                             && file->link_u.links) {
 957                                                 hard_link_cluster(file, ndx,
 958                                                                   itemizing,
 959                                                                   code);
 960                                         }
 961                                         return;
 962                                 }
 963                         } else if (compare_dest || match_level == 1) {
 964                                 fnamecmp = fnamecmpbuf;
 965                                 fnamecmp_type = i;
 966                         }
 967                 }
 968         }
 969
 970         real_ret = statret;
 971         real_st = st;
 972
 973         if (partial_dir && (partialptr = partial_dir_fname(fname)) != NULL
 974             && link_stat(partialptr, &partial_st, 0) == 0
 975             && S_ISREG(partial_st.st_mode)) {
 976                 if (statret != 0)
 977                         goto prepare_to_open;
 978         } else
 979                 partialptr = NULL;
 980
 981         if (statret != 0 && fuzzy_basis && dry_run <= 1) {
 982                 int j = find_fuzzy(file, fuzzy_dirlist);
 983                 if (j >= 0) {
 984                         fuzzy_file = fuzzy_dirlist->files[j];
 985                         f_name_to(fuzzy_file, fnamecmpbuf);
 986                         if (verbose > 2) {
 987                                 rprintf(FINFO, "fuzzy basis selected for %s: %s\n",
 988                                         safe_fname(fname), safe_fname(fnamecmpbuf));
 989                         }
 990                         st.st_size = fuzzy_file->length;
 991                         statret = 0;
 992                         fnamecmp = fnamecmpbuf;
 993                         fnamecmp_type = FNAMECMP_FUZZY;
 994                 }
 995         }
 996
 997         if (statret != 0) {
 998                 if (preserve_hard_links
 999                     && hard_link_check(file, ndx, fname, statret, &st,
1000                                        itemizing, code, HL_SKIP))
1001                         return;
1002                 if (stat_errno == ENOENT)
1003                         goto notify_others;
1004                 if (verbose > 1) {
1005                         rsyserr(FERROR, stat_errno,
1006                                 "recv_generator: failed to stat %s",
1007                                 full_fname(fname));
1008                 }
1009                 return;
1010         }
1011
1012         if (!compare_dest && fnamecmp_type <= FNAMECMP_BASIS_DIR_HIGH)
1013                 ;
1014         else if (fnamecmp_type == FNAMECMP_FUZZY)
1015                 ;
1016         else if (unchanged_file(fnamecmp, file, &st)) {
1017                 if (fnamecmp_type == FNAMECMP_FNAME) {
1018                         if (itemizing) {
1019                                 itemize(file, ndx, real_ret, &real_st,
1020                                         0, 0, NULL);
1021                         }
1022                         set_perms(fname, file, &st, maybe_PERMS_REPORT);
1023                         if (preserve_hard_links && file->link_u.links)
1024                                 hard_link_cluster(file, ndx, itemizing, code);
1025                         return;
1026                 }
1027                 /* Only --compare-dest gets here. */
1028                 itemize(file, ndx, real_ret, &real_st,
1029                         ITEM_NO_DEST_AND_NO_UPDATE, 0, NULL);
1030                 return;
1031         }
1032
1033 prepare_to_open:
1034         if (partialptr) {
1035                 st = partial_st;
1036                 fnamecmp = partialptr;
1037                 fnamecmp_type = FNAMECMP_PARTIAL_DIR;
1038                 statret = 0;
1039         }
1040
1041         if (!do_xfers || read_batch || whole_file)
1042                 goto notify_others;
1043
1044         if (fuzzy_basis) {
1045                 int j = flist_find(fuzzy_dirlist, file);
1046                 if (j >= 0) /* don't use changing file as future fuzzy basis */
1047                         fuzzy_dirlist->files[j]->flags |= FLAG_NO_FUZZY;
1048         }
1049
1050         /* open the file */
1051         fd = do_open(fnamecmp, O_RDONLY, 0);
1052
1053         if (fd == -1) {
1054                 rsyserr(FERROR, errno, "failed to open %s, continuing",
1055                         full_fname(fnamecmp));
1056             pretend_missing:
1057                 /* pretend the file didn't exist */
1058                 if (preserve_hard_links
1059                     && hard_link_check(file, ndx, fname, statret, &st,
1060                                        itemizing, code, HL_SKIP))
1061                         return;
1062                 statret = real_ret = -1;
1063                 goto notify_others;
1064         }
1065
1066         if (inplace && make_backups && fnamecmp_type == FNAMECMP_FNAME) {
1067                 if (!(backupptr = get_backup_name(fname))) {
1068                         close(fd);
1069                         return;
1070                 }
1071                 if (!(back_file = make_file(fname, NULL, NO_FILTERS))) {
1072                         close(fd);
1073                         goto pretend_missing;
1074                 }
1075                 if (robust_unlink(backupptr) && errno != ENOENT) {
1076                         rsyserr(FERROR, errno, "unlink %s",
1077                                 full_fname(backupptr));
1078                         free(back_file);
1079                         close(fd);
1080                         return;
1081                 }
1082                 if ((f_copy = do_open(backupptr,
1083                     O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0600)) < 0) {
1084                         rsyserr(FERROR, errno, "open %s",
1085                                 full_fname(backupptr));
1086                         free(back_file);
1087                         close(fd);
1088                         return;
1089                 }
1090                 fnamecmp_type = FNAMECMP_BACKUP;
1091         }
1092
1093         if (verbose > 3) {
1094                 rprintf(FINFO, "gen mapped %s of size %.0f\n",
1095                         safe_fname(fnamecmp), (double)st.st_size);
1096         }
1097
1098         if (verbose > 2)
1099                 rprintf(FINFO, "generating and sending sums for %d\n", ndx);
1100
1101 notify_others:
1102         write_int(f_out, ndx);
1103         if (itemizing) {
1104                 int iflags = ITEM_TRANSFER;
1105                 if (always_checksum)
1106                         iflags |= ITEM_REPORT_CHECKSUM;
1107                 if (fnamecmp_type != FNAMECMP_FNAME)
1108                         iflags |= ITEM_BASIS_TYPE_FOLLOWS;
1109                 if (fnamecmp_type == FNAMECMP_FUZZY)
1110                         iflags |= ITEM_XNAME_FOLLOWS;
1111                 itemize(file, -1, real_ret, &real_st, iflags, fnamecmp_type,
1112                         fuzzy_file ? fuzzy_file->basename : NULL);
1113         }
1114
1115         if (!do_xfers) {
1116                 if (preserve_hard_links && file->link_u.links)
1117                         hard_link_cluster(file, ndx, itemizing, code);
1118                 return;
1119         }
1120         if (read_batch)
1121                 return;
1122
1123         if (statret != 0 || whole_file) {
1124                 write_sum_head(f_out, NULL);
1125                 return;
1126         }
1127
1128         generate_and_send_sums(fd, st.st_size, f_out, f_copy);
1129
1130         if (f_copy >= 0) {
1131                 close(f_copy);
1132                 set_perms(backupptr, back_file, NULL, 0);
1133                 if (verbose > 1) {
1134                         rprintf(FINFO, "backed up %s to %s\n",
1135                                 safe_fname(fname), safe_fname(backupptr));
1136                 }
1137                 free(back_file);
1138         }
1139
1140         close(fd);
1141 }
1142
1143
1144 void generate_files(int f_out, struct file_list *flist, char *local_name)
1145 {
1146         int i;
1147         char fbuf[MAXPATHLEN];
1148         int itemizing, maybe_PERMS_REPORT;
1149         enum logcode code;
1150         int lull_mod = allowed_lull * 5;
1151         int need_retouch_dir_times = preserve_times && !omit_dir_times;
1152         int need_retouch_dir_perms = 0;
1153         int save_only_existing = only_existing;
1154         int save_opt_ignore_existing = opt_ignore_existing;
1155         int save_do_progress = do_progress;
1156         int save_make_backups = make_backups;
1157
1158         if (protocol_version >= 29) {
1159                 itemizing = 1;
1160                 maybe_PERMS_REPORT = log_format_has_i ? 0 : PERMS_REPORT;
1161                 code = daemon_log_format_has_i ? 0 : FLOG;
1162         } else if (am_daemon) {
1163                 itemizing = daemon_log_format_has_i && do_xfers;
1164                 maybe_PERMS_REPORT = PERMS_REPORT;
1165                 code = itemizing || !do_xfers ? FCLIENT : FINFO;
1166         } else if (!am_server) {
1167                 itemizing = log_format_has_i;
1168                 maybe_PERMS_REPORT = log_format_has_i ? 0 : PERMS_REPORT;
1169                 code = itemizing ? 0 : FINFO;
1170         } else {
1171                 itemizing = 0;
1172                 maybe_PERMS_REPORT = PERMS_REPORT;
1173                 code = FINFO;
1174         }
1175
1176         if (verbose > 2) {
1177                 rprintf(FINFO, "generator starting pid=%ld count=%d\n",
1178                         (long)getpid(), flist->count);
1179         }
1180
1181         if (delete_before && !local_name && flist->count > 0)
1182                 do_delete_pass(flist);
1183         do_progress = 0;
1184
1185         if (whole_file < 0)
1186                 whole_file = 0;
1187         if (verbose >= 2) {
1188                 rprintf(FINFO, "delta-transmission %s\n",
1189                         whole_file
1190                         ? "disabled for local transfer or --whole-file"
1191                         : "enabled");
1192         }
1193
1194         /* Since we often fill up the outgoing socket and then just sit around
1195          * waiting for the other 2 processes to do their thing, we don't want
1196          * to exit on a timeout.  If the data stops flowing, the receiver will
1197          * notice that and let us know via the redo pipe (or its closing). */
1198         ignore_timeout = 1;
1199
1200         for (i = 0; i < flist->count; i++) {
1201                 struct file_struct *file = flist->files[i];
1202
1203                 if (!file->basename)
1204                         continue;
1205
1206                 recv_generator(local_name ? local_name : f_name_to(file, fbuf),
1207                                file, i, itemizing, maybe_PERMS_REPORT, code,
1208                                f_out);
1209
1210                 /* We need to ensure that any dirs we create have writeable
1211                  * permissions during the time we are putting files within
1212                  * them.  This is then fixed after the transfer is done. */
1213                 if (!am_root && S_ISDIR(file->mode) && !(file->mode & S_IWUSR)
1214                     && !list_only) {
1215                         int mode = file->mode | S_IWUSR; /* user write */
1216                         char *fname = local_name ? local_name : fbuf;
1217                         if (do_chmod(fname, mode & CHMOD_BITS) < 0) {
1218                                 rsyserr(FERROR, errno,
1219                                         "failed to modify permissions on %s",
1220                                         full_fname(fname));
1221                         }
1222                         need_retouch_dir_perms = 1;
1223                 }
1224
1225                 if (preserve_hard_links)
1226                         check_for_finished_hlinks(itemizing, code);
1227
1228                 if (allowed_lull && !(i % lull_mod))
1229                         maybe_send_keepalive();
1230                 else if (!(i % 200))
1231                         maybe_flush_socket();
1232         }
1233         recv_generator(NULL, NULL, 0, 0, 0, code, -1);
1234         if (delete_during)
1235                 delete_in_dir(NULL, NULL, NULL);
1236
1237         phase++;
1238         csum_length = SUM_LENGTH;
1239         only_existing = max_size = opt_ignore_existing = 0;
1240         update_only = always_checksum = size_only = 0;
1241         ignore_times = 1;
1242         make_backups = 0; /* avoid a duplicate backup for inplace processing */
1243
1244         if (verbose > 2)
1245                 rprintf(FINFO,"generate_files phase=%d\n",phase);
1246
1247         write_int(f_out, -1);
1248
1249         /* files can cycle through the system more than once
1250          * to catch initial checksum errors */
1251         while ((i = get_redo_num(itemizing, code)) != -1) {
1252                 struct file_struct *file = flist->files[i];
1253                 recv_generator(local_name ? local_name : f_name_to(file, fbuf),
1254                                file, i, itemizing, maybe_PERMS_REPORT, code,
1255                                f_out);
1256         }
1257
1258         phase++;
1259         only_existing = save_only_existing;
1260         opt_ignore_existing = save_opt_ignore_existing;
1261         make_backups = save_make_backups;
1262
1263         if (verbose > 2)
1264                 rprintf(FINFO,"generate_files phase=%d\n",phase);
1265
1266         write_int(f_out, -1);
1267         /* Reduce round-trip lag-time for a useless delay-updates phase. */
1268         if (protocol_version >= 29 && !delay_updates)
1269                 write_int(f_out, -1);
1270
1271         /* Read MSG_DONE for the redo phase (and any prior messages). */
1272         get_redo_num(itemizing, code);
1273
1274         if (protocol_version >= 29) {
1275                 phase++;
1276                 if (verbose > 2)
1277                         rprintf(FINFO, "generate_files phase=%d\n", phase);
1278                 if (delay_updates)
1279                         write_int(f_out, -1);
1280                 /* Read MSG_DONE for delay-updates phase & prior messages. */
1281                 get_redo_num(itemizing, code);
1282         }
1283
1284         do_progress = save_do_progress;
1285         if (delete_after && !local_name && flist->count > 0)
1286                 do_delete_pass(flist);
1287
1288         if ((need_retouch_dir_perms || need_retouch_dir_times)
1289             && !list_only && !local_name && !dry_run) {
1290                 int j = 0;
1291                 /* Now we need to fix any directory permissions that were
1292                  * modified during the transfer and/or re-set any tweaked
1293                  * modified-time values. */
1294                 for (i = 0; i < flist->count; i++) {
1295                         struct file_struct *file = flist->files[i];
1296                         if (!file->basename || !S_ISDIR(file->mode))
1297                                 continue;
1298                         if (!need_retouch_dir_times && file->mode & S_IWUSR)
1299                                 continue;
1300                         recv_generator(f_name(file), file, i, itemizing,
1301                                        maybe_PERMS_REPORT, code, -1);
1302                         if (allowed_lull && !(++j % lull_mod))
1303                                 maybe_send_keepalive();
1304                         else if (!(j % 200))
1305                                 maybe_flush_socket();
1306                 }
1307         }
1308         recv_generator(NULL, NULL, 0, 0, 0, code, -1);
1309
1310         if (max_delete > 0 && deletion_count > max_delete) {
1311                 rprintf(FINFO,
1312                         "Deletions stopped due to --max-delete limit (%d skipped)\n",
1313                         deletion_count - max_delete);
1314                 io_error |= IOERR_DEL_LIMIT;
1315         }
1316
1317         if (verbose > 2)
1318                 rprintf(FINFO,"generate_files finished\n");
1319 }