2 * Routines that are exclusive to the generator process.
4 * Copyright (C) 1996-2000 Andrew Tridgell
5 * Copyright (C) 1996 Paul Mackerras
6 * Copyright (C) 2002 Martin Pool <mbp@samba.org>
7 * Copyright (C) 2003, 2004, 2005, 2006 Wayne Davison
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.
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.
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write to the Free Software Foundation, Inc.,
21 * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
29 extern int stdout_format_has_i;
30 extern int logfile_format_has_i;
34 extern int do_progress;
35 extern int relative_paths;
36 extern int implied_dirs;
37 extern int keep_dirlinks;
38 extern int preserve_links;
39 extern int preserve_devices;
40 extern int preserve_specials;
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_mode;
48 extern int delete_before;
49 extern int delete_during;
50 extern int delete_after;
52 extern int ignore_errors;
53 extern int remove_source_files;
54 extern int delay_updates;
55 extern int update_only;
56 extern int ignore_existing;
57 extern int ignore_non_existing;
59 extern int append_mode;
60 extern int make_backups;
61 extern int csum_length;
62 extern int ignore_times;
64 extern OFF_T max_size;
65 extern OFF_T min_size;
67 extern int allowed_lull;
68 extern int sock_f_out;
69 extern int ignore_timeout;
70 extern int protocol_version;
71 extern int fuzzy_basis;
72 extern int always_checksum;
73 extern int checksum_len;
74 extern char *partial_dir;
75 extern char *basis_dir[];
76 extern int compare_dest;
79 extern int whole_file;
81 extern int new_root_dir;
82 extern int read_batch;
83 extern int safe_symlinks;
84 extern long block_size; /* "long" because popt can't set an int32. */
85 extern int max_delete;
86 extern int force_delete;
87 extern int one_file_system;
88 extern struct stats stats;
89 extern dev_t filesystem_dev;
90 extern char *backup_dir;
91 extern char *backup_suffix;
92 extern int backup_suffix_len;
93 extern struct file_list *the_file_list;
94 extern struct filter_list_struct server_filter_list;
96 int ignore_perishable = 0;
97 int non_perishable_cnt = 0;
98 int maybe_ATTRS_REPORT = 0;
100 static int deletion_count = 0; /* used to implement --max-delete */
101 static int deldelay_size = 0, deldelay_cnt = 0;
102 static char *deldelay_buf = NULL;
103 static int deldelay_fd = -1;
104 static BOOL solo_file = 0;
106 /* For calling delete_item() and delete_dir_contents(). */
107 #define DEL_RECURSE (1<<1) /* recurse */
108 #define DEL_DIR_IS_EMPTY (1<<2) /* internal delete_FUNCTIONS use only */
111 TYPE_DIR, TYPE_SPECIAL, TYPE_DEVICE, TYPE_SYMLINK
115 DR_SUCCESS = 0, DR_FAILURE, DR_AT_LIMIT, DR_NOT_EMPTY
118 /* Forward declaration for delete_item(). */
119 static enum delret delete_dir_contents(char *fname, int flags);
122 static int is_backup_file(char *fn)
124 int k = strlen(fn) - backup_suffix_len;
125 return k > 0 && strcmp(fn+k, backup_suffix) == 0;
128 /* Delete a file or directory. If DEL_RECURSE is set in the flags, this will
129 * delete recursively.
131 * Note that fbuf must point to a MAXPATHLEN buffer if the mode indicates it's
132 * a directory! (The buffer is used for recursion, but returned unchanged.)
134 static enum delret delete_item(char *fbuf, int mode, char *replace, int flags)
141 rprintf(FINFO, "delete_item(%s) mode=%o flags=%d\n",
145 if (S_ISDIR(mode) && !(flags & DEL_DIR_IS_EMPTY)) {
146 ignore_perishable = 1;
147 /* If DEL_RECURSE is not set, this just reports emptiness. */
148 ret = delete_dir_contents(fbuf, flags);
149 ignore_perishable = 0;
150 if (ret == DR_NOT_EMPTY || ret == DR_AT_LIMIT)
152 /* OK: try to delete the directory. */
155 if (!replace && max_delete >= 0 && ++deletion_count > max_delete)
160 ok = do_rmdir(fbuf) == 0;
161 } else if (make_backups && (backup_dir || !is_backup_file(fbuf))) {
162 what = "make_backup";
163 ok = make_backup(fbuf);
166 ok = robust_unlink(fbuf) == 0;
171 log_delete(fbuf, mode);
174 if (S_ISDIR(mode) && errno == ENOTEMPTY) {
175 rprintf(FINFO, "cannot delete non-empty directory: %s\n",
178 } else if (errno != ENOENT) {
179 rsyserr(FERROR, errno, "delete_file: %s(%s) failed",
189 if (replace && ret != DR_SUCCESS) {
190 rprintf(FERROR, "could not make way for new %s: %s\n",
196 /* The directory is about to be deleted: if DEL_RECURSE is given, delete all
197 * its contents, otherwise just checks for content. Returns DR_SUCCESS or
198 * DR_NOT_EMPTY. Note that fname must point to a MAXPATHLEN buffer! (The
199 * buffer is used for recursion, but returned unchanged.)
201 static enum delret delete_dir_contents(char *fname, int flags)
203 struct file_list *dirlist;
211 rprintf(FINFO, "delete_dir_contents(%s) flags=%d\n",
215 dlen = strlen(fname);
216 save_filters = push_local_filters(fname, dlen);
218 non_perishable_cnt = 0;
219 dirlist = get_dirlist(fname, dlen, 0);
220 ret = non_perishable_cnt ? DR_NOT_EMPTY : DR_SUCCESS;
225 if (!(flags & DEL_RECURSE)) {
231 if (dlen != 1 || *fname != '/')
233 remainder = MAXPATHLEN - (p - fname);
235 /* We do our own recursion, so make delete_item() non-recursive. */
236 flags = (flags & ~DEL_RECURSE) | DEL_DIR_IS_EMPTY;
238 for (j = dirlist->count; j--; ) {
239 struct file_struct *fp = dirlist->files[j];
241 if (fp->flags & FLAG_MOUNT_DIR) {
244 "mount point, %s, pins parent directory\n",
251 strlcpy(p, F_BASENAME(fp), remainder);
252 /* Save stack by recursing to ourself directly. */
253 if (S_ISDIR(fp->mode)
254 && delete_dir_contents(fname, flags | DEL_RECURSE) != DR_SUCCESS)
256 if (delete_item(fname, fp->mode, NULL, flags) != DR_SUCCESS)
264 pop_local_filters(save_filters);
266 if (ret == DR_NOT_EMPTY) {
267 rprintf(FINFO, "cannot delete non-empty directory: %s\n",
273 static int start_delete_delay_temp(void)
275 char fnametmp[MAXPATHLEN];
276 int save_dry_run = dry_run;
279 if (!get_tmpname(fnametmp, "deldelay")
280 || (deldelay_fd = do_mkstemp(fnametmp, 0600)) < 0) {
281 rprintf(FINFO, "NOTE: Unable to create delete-delay temp file--"
282 "switching to --delete-after.\n");
285 dry_run = save_dry_run;
289 dry_run = save_dry_run;
293 static int flush_delete_delay(void)
295 if (write(deldelay_fd, deldelay_buf, deldelay_cnt) != deldelay_cnt) {
296 rsyserr(FERROR, errno, "flush of delete-delay buffer");
306 static int remember_delete(struct file_struct *file, const char *fname)
311 len = snprintf(deldelay_buf + deldelay_cnt,
312 deldelay_size - deldelay_cnt,
313 "%x %s%c", (int)file->mode, fname, '\0');
314 if ((deldelay_cnt += len) <= deldelay_size)
316 if (deldelay_fd < 0 && !start_delete_delay_temp())
319 if (!flush_delete_delay())
326 static int read_delay_line(char *buf)
328 static int read_pos = 0;
330 char *bp, *past_space;
333 for (j = read_pos; j < deldelay_cnt && deldelay_buf[j]; j++) {}
334 if (j < deldelay_cnt)
336 if (deldelay_fd < 0) {
341 deldelay_cnt -= read_pos;
342 if (deldelay_cnt == deldelay_size)
344 if (deldelay_cnt && read_pos) {
345 memmove(deldelay_buf, deldelay_buf + read_pos,
348 len = read(deldelay_fd, deldelay_buf + deldelay_cnt,
349 deldelay_size - deldelay_cnt);
353 "ERROR: unexpected EOF in delete-delay file.\n");
358 rsyserr(FERROR, errno,
359 "reading delete-delay file");
366 bp = deldelay_buf + read_pos;
368 if (sscanf(bp, "%x ", &mode) != 1) {
370 rprintf(FERROR, "ERROR: invalid data in delete-delay file.\n");
373 past_space = strchr(bp, ' ') + 1;
374 len = j - read_pos - (past_space - bp) + 1; /* count the '\0' */
377 if (len > MAXPATHLEN) {
378 rprintf(FERROR, "ERROR: filename too long in delete-delay file.\n");
382 /* The caller needs the name in a MAXPATHLEN buffer, so we copy it
383 * instead of returning a pointer to our buffer. */
384 memcpy(buf, past_space, len);
389 static void do_delayed_deletions(char *delbuf)
393 if (deldelay_fd >= 0) {
394 if (deldelay_cnt && !flush_delete_delay())
396 lseek(deldelay_fd, 0, 0);
398 while ((mode = read_delay_line(delbuf)) >= 0)
399 delete_item(delbuf, mode, NULL, DEL_RECURSE);
400 if (deldelay_fd >= 0)
404 /* This function is used to implement per-directory deletion, and is used by
405 * all the --delete-WHEN options. Note that the fbuf pointer must point to a
406 * MAXPATHLEN buffer with the name of the directory in it (the functions we
407 * call will append names onto the end, but the old dir value will be restored
409 static void delete_in_dir(struct file_list *flist, char *fbuf,
410 struct file_struct *file, STRUCT_STAT *stp)
412 static int min_depth = MAXPATHLEN, cur_depth = -1;
413 static void *filt_array[MAXPATHLEN/2+1];
414 static int already_warned = 0;
415 struct file_list *dirlist;
416 char delbuf[MAXPATHLEN];
420 while (cur_depth >= min_depth)
421 pop_local_filters(filt_array[cur_depth--]);
422 min_depth = MAXPATHLEN;
428 rprintf(FINFO, "delete_in_dir(%s)\n", fbuf);
431 maybe_send_keepalive();
433 if (file->dir.depth >= MAXPATHLEN/2+1)
434 return; /* Impossible... */
436 if (io_error && !(lp_ignore_errors(module_id) || ignore_errors)) {
440 "IO error encountered -- skipping file deletion\n");
445 while (cur_depth >= file->dir.depth && cur_depth >= min_depth)
446 pop_local_filters(filt_array[cur_depth--]);
447 cur_depth = file->dir.depth;
448 if (min_depth > cur_depth)
449 min_depth = cur_depth;
451 filt_array[cur_depth] = push_local_filters(fbuf, dlen);
453 if (one_file_system) {
454 if (file->flags & FLAG_TOP_DIR)
455 filesystem_dev = stp->st_dev;
456 else if (filesystem_dev != stp->st_dev)
460 dirlist = get_dirlist(fbuf, dlen, 0);
462 /* If an item in dirlist is not found in flist, delete it
463 * from the filesystem. */
464 for (i = dirlist->count; i--; ) {
465 struct file_struct *fp = dirlist->files[i];
466 if (!F_IS_ACTIVE(fp))
468 if (fp->flags & FLAG_MOUNT_DIR) {
470 rprintf(FINFO, "cannot delete mount point: %s\n",
474 if (flist_find(flist, fp) < 0) {
476 if (delete_during == 2) {
477 if (!remember_delete(fp, delbuf))
480 delete_item(delbuf, fp->mode, NULL, DEL_RECURSE);
487 /* This deletes any files on the receiving side that are not present on the
488 * sending side. This is used by --delete-before and --delete-after. */
489 static void do_delete_pass(struct file_list *flist)
491 char fbuf[MAXPATHLEN];
495 /* dry_run is incremented when the destination doesn't exist yet. */
496 if (dry_run > 1 || list_only)
499 for (j = 0; j < flist->count; j++) {
500 struct file_struct *file = flist->files[j];
502 if (!(file->flags & FLAG_XFER_DIR))
506 if (verbose > 1 && file->flags & FLAG_TOP_DIR)
507 rprintf(FINFO, "deleting in %s\n", fbuf);
509 if (link_stat(fbuf, &st, keep_dirlinks) < 0
510 || !S_ISDIR(st.st_mode))
513 delete_in_dir(flist, fbuf, file, &st);
515 delete_in_dir(NULL, NULL, NULL, NULL);
517 if (do_progress && !am_server)
518 rprintf(FINFO, " \r");
521 int unchanged_attrs(struct file_struct *file, STRUCT_STAT *st)
524 && (unsigned)(st->st_mode & CHMOD_BITS) != (file->mode & CHMOD_BITS))
527 if (am_root && preserve_uid && st->st_uid != F_UID(file))
530 if (preserve_gid && F_GID(file) != GID_NONE && st->st_gid != F_GID(file))
536 void itemize(struct file_struct *file, int ndx, int statret, STRUCT_STAT *st,
537 int32 iflags, uchar fnamecmp_type, const char *xname)
539 if (statret >= 0) { /* A from-dest-dir statret can == 1! */
540 int keep_time = !preserve_times ? 0
541 : S_ISDIR(file->mode) ? !omit_dir_times
542 : !S_ISLNK(file->mode);
544 if (S_ISREG(file->mode) && F_LENGTH(file) != st->st_size)
545 iflags |= ITEM_REPORT_SIZE;
546 if ((iflags & (ITEM_TRANSFER|ITEM_LOCAL_CHANGE) && !keep_time
547 && !(iflags & ITEM_MATCHED)
548 && (!(iflags & ITEM_XNAME_FOLLOWS) || *xname))
549 || (keep_time && cmp_time(file->modtime, st->st_mtime) != 0))
550 iflags |= ITEM_REPORT_TIME;
551 if ((unsigned)(st->st_mode & CHMOD_BITS) != (file->mode & CHMOD_BITS))
552 iflags |= ITEM_REPORT_PERMS;
553 if (preserve_uid && am_root && F_UID(file) != st->st_uid)
554 iflags |= ITEM_REPORT_OWNER;
555 if (preserve_gid && F_GID(file) != GID_NONE
556 && st->st_gid != F_GID(file))
557 iflags |= ITEM_REPORT_GROUP;
559 iflags |= ITEM_IS_NEW;
562 if ((iflags & SIGNIFICANT_ITEM_FLAGS || verbose > 1
563 || stdout_format_has_i > 1 || (xname && *xname)) && !read_batch) {
564 if (protocol_version >= 29) {
566 write_int(sock_f_out, ndx);
567 write_shortint(sock_f_out, iflags);
568 if (iflags & ITEM_BASIS_TYPE_FOLLOWS)
569 write_byte(sock_f_out, fnamecmp_type);
570 if (iflags & ITEM_XNAME_FOLLOWS)
571 write_vstring(sock_f_out, xname, strlen(xname));
572 } else if (ndx >= 0) {
573 enum logcode code = logfile_format_has_i ? FINFO : FCLIENT;
574 log_item(code, file, &stats, iflags, xname);
580 /* Perform our quick-check heuristic for determining if a file is unchanged. */
581 int unchanged_file(char *fn, struct file_struct *file, STRUCT_STAT *st)
583 if (st->st_size != F_LENGTH(file))
586 /* if always checksum is set then we use the checksum instead
587 of the file time to determine whether to sync */
588 if (always_checksum && S_ISREG(st->st_mode)) {
589 char sum[MD4_SUM_LENGTH];
590 file_checksum(fn, sum, st->st_size);
591 return memcmp(sum, F_SUM(file), checksum_len) == 0;
600 return cmp_time(st->st_mtime, file->modtime) == 0;
605 * set (initialize) the size entries in the per-file sum_struct
606 * calculating dynamic block and checksum sizes.
608 * This is only called from generate_and_send_sums() but is a separate
609 * function to encapsulate the logic.
611 * The block size is a rounded square root of file length.
613 * The checksum size is determined according to:
614 * blocksum_bits = BLOCKSUM_BIAS + 2*log2(file_len) - log2(block_len)
615 * provided by Donovan Baarda which gives a probability of rsync
616 * algorithm corrupting data and falling back using the whole md4
619 * This might be made one of several selectable heuristics.
621 static void sum_sizes_sqroot(struct sum_struct *sum, int64 len)
627 blength = block_size;
628 else if (len <= BLOCK_SIZE * BLOCK_SIZE)
629 blength = BLOCK_SIZE;
634 for (c = 1, l = len, cnt = 0; l >>= 2; c <<= 1, cnt++) {}
635 if (cnt >= 31 || c >= MAX_BLOCK_SIZE)
636 blength = MAX_BLOCK_SIZE;
641 if (len < (int64)blength * blength)
644 } while (c >= 8); /* round to multiple of 8 */
645 blength = MAX(blength, BLOCK_SIZE);
649 if (protocol_version < 27) {
650 s2length = csum_length;
651 } else if (csum_length == SUM_LENGTH) {
652 s2length = SUM_LENGTH;
656 int b = BLOCKSUM_BIAS;
657 for (l = len; l >>= 1; b += 2) {}
658 for (c = blength; (c >>= 1) && b; b--) {}
659 /* add a bit, subtract rollsum, round up. */
660 s2length = (b + 1 - 32 + 7) / 8; /* --optimize in compiler-- */
661 s2length = MAX(s2length, csum_length);
662 s2length = MIN(s2length, SUM_LENGTH);
666 sum->blength = blength;
667 sum->s2length = s2length;
668 sum->remainder = (int32)(len % blength);
669 sum->count = (int32)(len / blength) + (sum->remainder != 0);
671 if (sum->count && verbose > 2) {
673 "count=%.0f rem=%ld blength=%ld s2length=%d flength=%.0f\n",
674 (double)sum->count, (long)sum->remainder, (long)sum->blength,
675 sum->s2length, (double)sum->flength);
681 * Generate and send a stream of signatures/checksums that describe a buffer
683 * Generate approximately one checksum every block_len bytes.
685 static void generate_and_send_sums(int fd, OFF_T len, int f_out, int f_copy)
688 struct map_struct *mapbuf;
689 struct sum_struct sum;
692 sum_sizes_sqroot(&sum, len);
693 write_sum_head(f_out, &sum);
695 if (append_mode > 0 && f_copy < 0)
699 mapbuf = map_file(fd, len, MAX_MAP_SIZE, sum.blength);
703 for (i = 0; i < sum.count; i++) {
704 int32 n1 = (int32)MIN(len, (OFF_T)sum.blength);
705 char *map = map_ptr(mapbuf, offset, n1);
706 char sum2[SUM_LENGTH];
713 full_write(f_copy, map, n1);
718 sum1 = get_checksum1(map, n1);
719 get_checksum2(map, n1, sum2);
723 "chunk[%.0f] offset=%.0f len=%ld sum1=%08lx\n",
724 (double)i, (double)offset - n1, (long)n1,
725 (unsigned long)sum1);
727 write_int(f_out, sum1);
728 write_buf(f_out, sum2, sum.s2length);
736 /* Try to find a filename in the same dir as "fname" with a similar name. */
737 static int find_fuzzy(struct file_struct *file, struct file_list *dirlist)
739 int fname_len, fname_suf_len;
740 const char *fname_suf, *fname = F_BASENAME(file);
741 uint32 lowest_dist = 25 << 16; /* ignore a distance greater than 25 */
742 int j, lowest_j = -1;
744 fname_len = strlen(fname);
745 fname_suf = find_filename_suffix(fname, fname_len, &fname_suf_len);
747 for (j = 0; j < dirlist->count; j++) {
748 struct file_struct *fp = dirlist->files[j];
749 const char *suf, *name;
753 if (!S_ISREG(fp->mode) || !F_LENGTH(fp) || fp->flags & FLAG_SENT)
756 name = F_BASENAME(fp);
758 if (F_LENGTH(fp) == F_LENGTH(file)
759 && cmp_time(fp->modtime, file->modtime) == 0) {
762 "fuzzy size/modtime match for %s\n",
769 suf = find_filename_suffix(name, len, &suf_len);
771 dist = fuzzy_distance(name, len, fname, fname_len);
772 /* Add some extra weight to how well the suffixes match. */
773 dist += fuzzy_distance(suf, suf_len, fname_suf, fname_suf_len)
776 rprintf(FINFO, "fuzzy distance for %s = %d.%05d\n",
777 name, (int)(dist>>16), (int)(dist&0xFFFF));
779 if (dist <= lowest_dist) {
788 #ifdef SUPPORT_HARD_LINKS
789 void check_for_finished_hlinks(int itemizing, enum logcode code)
791 struct file_struct *file;
792 char fbuf[MAXPATHLEN];
795 while ((ndx = get_hlink_num()) != -1) {
796 if (ndx < 0 || ndx >= the_file_list->count)
799 file = the_file_list->files[ndx];
800 if (!F_IS_HLINKED(file))
803 finish_hard_link(file, f_name(file, fbuf), NULL, itemizing, code, -1);
808 /* This is only called for regular files. We return -2 if we've finished
809 * handling the file, -1 if no dest-linking occurred, or a non-negative
810 * value if we found an alternate basis file. */
811 static int try_dests_reg(struct file_struct *file, char *fname, int ndx,
812 char *cmpbuf, STRUCT_STAT *stp, int itemizing,
820 pathjoin(cmpbuf, MAXPATHLEN, basis_dir[j], fname);
821 if (link_stat(cmpbuf, stp, 0) < 0 || !S_ISREG(stp->st_mode))
823 switch (match_level) {
829 if (!unchanged_file(cmpbuf, file, stp))
835 if (!unchanged_attrs(file, stp))
837 if (always_checksum && preserve_times
838 && cmp_time(stp->st_mtime, file->modtime))
845 } while (basis_dir[++j] != NULL);
850 if (j != best_match) {
852 pathjoin(cmpbuf, MAXPATHLEN, basis_dir[j], fname);
853 if (link_stat(cmpbuf, stp, 0) < 0)
857 if (match_level == 3 && !copy_dest) {
858 #ifdef SUPPORT_HARD_LINKS
860 if (!hard_link_one(file, fname, cmpbuf, 1))
862 if (preserve_hard_links && F_IS_HLINKED(file))
863 finish_hard_link(file, fname, stp, itemizing, code, j);
864 if (itemizing && (verbose > 1 || stdout_format_has_i > 1)) {
865 itemize(file, ndx, 1, stp,
866 ITEM_LOCAL_CHANGE | ITEM_XNAME_FOLLOWS,
872 itemize(file, ndx, 0, stp, 0, 0, NULL);
873 if (verbose > 1 && maybe_ATTRS_REPORT)
874 rprintf(FCLIENT, "%s is uptodate\n", fname);
878 if (match_level >= 2) {
879 #ifdef SUPPORT_HARD_LINKS
880 try_a_copy: /* Copy the file locally. */
882 if (copy_file(cmpbuf, fname, file->mode) < 0) {
884 rsyserr(FINFO, errno, "copy_file %s => %s",
885 full_fname(cmpbuf), fname);
890 itemize(file, ndx, 0, stp, ITEM_LOCAL_CHANGE, 0, NULL);
891 set_file_attrs(fname, file, NULL, 0);
892 if (maybe_ATTRS_REPORT
893 && ((!itemizing && verbose && match_level == 2)
894 || (verbose > 1 && match_level == 3))) {
895 code = match_level == 3 ? FCLIENT : FINFO;
896 rprintf(code, "%s%s\n", fname,
897 match_level == 3 ? " is uptodate" : "");
899 #ifdef SUPPORT_HARD_LINKS
900 if (preserve_hard_links && F_IS_HLINKED(file))
901 finish_hard_link(file, fname, stp, itemizing, code, -1);
906 return FNAMECMP_BASIS_DIR_LOW + j;
909 /* This is only called for non-regular files. We return -2 if we've finished
910 * handling the file, or -1 if no dest-linking occurred, or a non-negative
911 * value if we found an alternate basis file. */
912 static int try_dests_non(struct file_struct *file, char *fname, int ndx,
913 char *cmpbuf, STRUCT_STAT *stp, int itemizing,
916 char lnk[MAXPATHLEN];
919 enum nonregtype type;
923 #ifndef SUPPORT_LINKS
924 if (S_ISLNK(file->mode))
927 if (S_ISDIR(file->mode)) {
929 } else if (IS_SPECIAL(file->mode))
931 else if (IS_DEVICE(file->mode))
934 else if (S_ISLNK(file->mode))
939 "internal: try_dests_non() called with invalid mode (%o)\n",
941 exit_cleanup(RERR_UNSUPPORTED);
945 pathjoin(cmpbuf, MAXPATHLEN, basis_dir[j], fname);
946 if (link_stat(cmpbuf, stp, 0) < 0)
950 if (!S_ISDIR(stp->st_mode))
954 if (!IS_SPECIAL(stp->st_mode))
958 if (!IS_DEVICE(stp->st_mode))
963 if (!S_ISLNK(stp->st_mode))
968 if (match_level < 1) {
977 devp = F_RDEV_P(file);
978 if (stp->st_rdev != MAKEDEV(DEV_MAJOR(devp), DEV_MINOR(devp)))
983 if ((len = readlink(cmpbuf, lnk, MAXPATHLEN-1)) <= 0)
986 if (strcmp(lnk, F_SYMLINK(file)) != 0)
991 if (match_level < 2) {
995 if (unchanged_attrs(file, stp)) {
1000 } while (basis_dir[++j] != NULL);
1005 if (j != best_match) {
1007 pathjoin(cmpbuf, MAXPATHLEN, basis_dir[j], fname);
1008 if (link_stat(cmpbuf, stp, 0) < 0)
1012 if (match_level == 3) {
1013 #ifdef SUPPORT_HARD_LINKS
1015 #ifndef CAN_HARDLINK_SYMLINK
1016 && !S_ISLNK(file->mode)
1018 #ifndef CAN_HARDLINK_SPECIAL
1019 && !IS_SPECIAL(file->mode) && !IS_DEVICE(file->mode)
1021 && !S_ISDIR(file->mode)) {
1022 if (do_link(cmpbuf, fname) < 0) {
1023 rsyserr(FERROR, errno,
1024 "failed to hard-link %s with %s",
1028 if (preserve_hard_links && F_IS_HLINKED(file))
1029 finish_hard_link(file, fname, NULL, itemizing, code, -1);
1033 if (itemizing && stdout_format_has_i
1034 && (verbose > 1 || stdout_format_has_i > 1)) {
1035 int chg = compare_dest && type != TYPE_DIR ? 0
1037 + (match_level == 3 ? ITEM_XNAME_FOLLOWS : 0);
1038 char *lp = match_level == 3 ? "" : NULL;
1039 itemize(file, ndx, 0, stp, chg + ITEM_MATCHED, 0, lp);
1041 if (verbose > 1 && maybe_ATTRS_REPORT) {
1042 rprintf(FCLIENT, "%s%s is uptodate\n",
1043 fname, type == TYPE_DIR ? "/" : "");
1051 static int phase = 0;
1053 /* Acts on the_file_list->file's ndx'th item, whose name is fname. If a dir,
1054 * make sure it exists, and has the right permissions/timestamp info. For
1055 * all other non-regular files (symlinks, etc.) we create them here. For
1056 * regular files that have changed, we try to find a basis file and then
1057 * start sending checksums.
1059 * When fname is non-null, it must point to a MAXPATHLEN buffer!
1061 * Note that f_out is set to -1 when doing final directory-permission and
1062 * modification-time repair. */
1063 static void recv_generator(char *fname, struct file_struct *file, int ndx,
1064 int itemizing, enum logcode code, int f_out)
1066 static int missing_below = -1, excluded_below = -1;
1067 static const char *parent_dirname = "";
1068 static struct file_list *fuzzy_dirlist = NULL;
1069 static int need_fuzzy_dirlist = 0;
1070 struct file_struct *fuzzy_file = NULL;
1071 int fd = -1, f_copy = -1;
1072 STRUCT_STAT st, real_st, partial_st;
1073 struct file_struct *back_file = NULL;
1074 int statret, real_ret, stat_errno;
1075 char *fnamecmp, *partialptr, *backupptr = NULL;
1076 char fnamecmpbuf[MAXPATHLEN];
1077 uchar fnamecmp_type;
1078 int del_opts = delete_mode || force_delete ? DEL_RECURSE : 0;
1084 if (fuzzy_dirlist) {
1085 flist_free(fuzzy_dirlist);
1086 fuzzy_dirlist = NULL;
1088 if (missing_below >= 0) {
1093 parent_dirname = "";
1098 rprintf(FINFO, "recv_generator(%s,%d)\n", fname, ndx);
1100 if (server_filter_list.head) {
1101 if (excluded_below >= 0) {
1102 if (file->dir.depth > excluded_below)
1104 excluded_below = -1;
1106 if (check_filter(&server_filter_list, fname,
1107 S_ISDIR(file->mode)) < 0) {
1108 if (S_ISDIR(file->mode))
1109 excluded_below = file->dir.depth;
1113 "skipping server-excluded file \"%s\"\n",
1120 if (missing_below >= 0) {
1121 if (file->dir.depth <= missing_below) {
1125 } else if (!dry_run)
1130 stat_errno = ENOENT;
1132 const char *dn = file->dirname ? file->dirname : ".";
1133 if (parent_dirname != dn && strcmp(parent_dirname, dn) != 0) {
1134 if (relative_paths && !implied_dirs
1135 && do_stat(dn, &st) < 0
1136 && create_directory_path(fname) < 0) {
1137 rsyserr(FERROR, errno,
1138 "recv_generator: mkdir %s failed",
1141 if (fuzzy_dirlist) {
1142 flist_free(fuzzy_dirlist);
1143 fuzzy_dirlist = NULL;
1146 need_fuzzy_dirlist = 1;
1148 parent_dirname = dn;
1150 if (need_fuzzy_dirlist && S_ISREG(file->mode)) {
1151 strlcpy(fnamecmpbuf, dn, sizeof fnamecmpbuf);
1152 fuzzy_dirlist = get_dirlist(fnamecmpbuf, -1, 1);
1153 need_fuzzy_dirlist = 0;
1156 statret = link_stat(fname, &st,
1157 keep_dirlinks && S_ISDIR(file->mode));
1161 if (ignore_non_existing && statret == -1 && stat_errno == ENOENT) {
1163 rprintf(FINFO, "not creating new %s \"%s\"\n",
1164 S_ISDIR(file->mode) ? "directory" : "file",
1170 /* If we're not preserving permissions, change the file-list's
1171 * mode based on the local permissions and some heuristics. */
1172 if (!preserve_perms) {
1173 int exists = statret == 0
1174 && S_ISDIR(st.st_mode) == S_ISDIR(file->mode);
1175 file->mode = dest_mode(file->mode, st.st_mode, exists);
1178 if (S_ISDIR(file->mode)) {
1179 /* The file to be received is a directory, so we need
1180 * to prepare appropriately. If there is already a
1181 * file of that name and it is *not* a directory, then
1182 * we need to delete it. If it doesn't exist, then
1183 * (perhaps recursively) create it. */
1184 if (statret == 0 && !S_ISDIR(st.st_mode)) {
1185 if (delete_item(fname, st.st_mode, "directory", del_opts) != 0)
1189 if (dry_run && statret != 0 && missing_below < 0) {
1190 missing_below = file->dir.depth;
1196 if (*fname == '.' && fname[1] == '\0')
1200 if (statret != 0 && basis_dir[0] != NULL) {
1201 int j = try_dests_non(file, fname, ndx, fnamecmpbuf, &st,
1209 if (itemizing && f_out != -1) {
1210 itemize(file, ndx, statret, &st,
1211 statret ? ITEM_LOCAL_CHANGE : 0, 0, NULL);
1213 if (real_ret != 0 && do_mkdir(fname,file->mode) < 0 && errno != EEXIST) {
1214 if (!relative_paths || errno != ENOENT
1215 || create_directory_path(fname) < 0
1216 || (do_mkdir(fname, file->mode) < 0 && errno != EEXIST)) {
1217 rsyserr(FERROR, errno,
1218 "recv_generator: mkdir %s failed",
1220 file->flags |= FLAG_MISSING_DIR;
1221 if (ndx+1 < the_file_list->count
1222 && the_file_list->files[ndx+1]->dir.depth > file->dir.depth) {
1224 "*** Skipping everything below this failed directory ***\n");
1225 missing_below = file->dir.depth;
1230 if (set_file_attrs(fname, file, real_ret ? NULL : &real_st, 0)
1231 && verbose && code != FNONE && f_out != -1)
1232 rprintf(code, "%s/\n", fname);
1233 if (real_ret != 0 && one_file_system)
1234 real_st.st_dev = filesystem_dev;
1235 if (delete_during && f_out != -1 && !phase && dry_run < 2
1236 && (file->flags & FLAG_XFER_DIR))
1237 delete_in_dir(the_file_list, fname, file, &real_st);
1241 #ifdef SUPPORT_HARD_LINKS
1242 if (preserve_hard_links && F_NOT_HLINK_FIRST(file)
1243 && hard_link_check(file, ndx, fname, statret, &st, itemizing, code))
1247 if (preserve_links && S_ISLNK(file->mode)) {
1248 #ifdef SUPPORT_LINKS
1249 const char *sl = F_SYMLINK(file);
1250 if (safe_symlinks && unsafe_symlink(sl, fname)) {
1253 fname = f_name(file, NULL);
1255 "ignoring unsafe symlink %s -> \"%s\"\n",
1256 full_fname(fname), sl);
1261 char lnk[MAXPATHLEN];
1264 if (!S_ISLNK(st.st_mode))
1266 else if ((len = readlink(fname, lnk, MAXPATHLEN-1)) > 0
1267 && strncmp(lnk, sl, len) == 0 && sl[len] == '\0') {
1268 /* The link is pointing to the right place. */
1270 itemize(file, ndx, 0, &st, 0, 0, NULL);
1271 set_file_attrs(fname, file, &st, maybe_ATTRS_REPORT);
1272 #ifdef SUPPORT_HARD_LINKS
1273 if (preserve_hard_links && F_IS_HLINKED(file))
1274 finish_hard_link(file, fname, &st, itemizing, code, -1);
1276 if (remove_source_files == 1)
1277 goto return_with_success;
1280 /* Not the right symlink (or not a symlink), so
1282 if (delete_item(fname, st.st_mode, "symlink", del_opts) != 0)
1284 } else if (basis_dir[0] != NULL) {
1285 int j = try_dests_non(file, fname, ndx, fnamecmpbuf, &st,
1288 #ifndef CAN_HARDLINK_SYMLINK
1290 /* Resort to --copy-dest behavior. */
1300 #ifdef SUPPORT_HARD_LINKS
1301 if (preserve_hard_links && F_NOT_HLINK_LAST(file))
1304 if (do_symlink(sl, fname) != 0) {
1305 rsyserr(FERROR, errno, "symlink %s -> \"%s\" failed",
1306 full_fname(fname), sl);
1308 set_file_attrs(fname, file, NULL, 0);
1310 itemize(file, ndx, statret, &st,
1311 ITEM_LOCAL_CHANGE, 0, NULL);
1313 if (code != FNONE && verbose)
1314 rprintf(code, "%s -> %s\n", fname, sl);
1315 #ifdef SUPPORT_HARD_LINKS
1316 if (preserve_hard_links && F_IS_HLINKED(file))
1317 finish_hard_link(file, fname, NULL, itemizing, code, -1);
1319 /* This does not check remove_source_files == 1
1320 * because this is one of the items that the old
1321 * --remove-sent-files option would remove. */
1322 if (remove_source_files)
1323 goto return_with_success;
1329 if ((am_root && preserve_devices && IS_DEVICE(file->mode))
1330 || (preserve_specials && IS_SPECIAL(file->mode))) {
1331 uint32 *devp = F_RDEV_P(file);
1332 dev_t rdev = MAKEDEV(DEV_MAJOR(devp), DEV_MINOR(devp));
1335 if (IS_DEVICE(file->mode)) {
1336 if (!IS_DEVICE(st.st_mode))
1340 if (!IS_SPECIAL(st.st_mode))
1345 && (unsigned)(st.st_mode & ~CHMOD_BITS) == (file->mode & ~CHMOD_BITS)
1346 && st.st_rdev == rdev) {
1347 /* The device or special file is identical. */
1349 itemize(file, ndx, 0, &st, 0, 0, NULL);
1350 set_file_attrs(fname, file, &st, maybe_ATTRS_REPORT);
1351 #ifdef SUPPORT_HARD_LINKS
1352 if (preserve_hard_links && F_IS_HLINKED(file))
1353 finish_hard_link(file, fname, &st, itemizing, code, -1);
1355 if (remove_source_files == 1)
1356 goto return_with_success;
1359 if (delete_item(fname, st.st_mode, t, del_opts) != 0)
1361 } else if (basis_dir[0] != NULL) {
1362 int j = try_dests_non(file, fname, ndx, fnamecmpbuf, &st,
1365 #ifndef CAN_HARDLINK_SPECIAL
1367 /* Resort to --copy-dest behavior. */
1377 #ifdef SUPPORT_HARD_LINKS
1378 if (preserve_hard_links && F_NOT_HLINK_LAST(file))
1382 rprintf(FINFO, "mknod(%s, 0%o, [%ld,%ld])\n",
1383 fname, (int)file->mode,
1384 (long)major(rdev), (long)minor(rdev));
1386 if (do_mknod(fname, file->mode, rdev) < 0) {
1387 rsyserr(FERROR, errno, "mknod %s failed",
1390 set_file_attrs(fname, file, NULL, 0);
1392 itemize(file, ndx, statret, &st,
1393 ITEM_LOCAL_CHANGE, 0, NULL);
1395 if (code != FNONE && verbose)
1396 rprintf(code, "%s\n", fname);
1397 #ifdef SUPPORT_HARD_LINKS
1398 if (preserve_hard_links && F_IS_HLINKED(file))
1399 finish_hard_link(file, fname, NULL, itemizing, code, -1);
1401 if (remove_source_files == 1)
1402 goto return_with_success;
1407 if (!S_ISREG(file->mode)) {
1409 fname = f_name(file, NULL);
1410 rprintf(FINFO, "skipping non-regular file \"%s\"\n", fname);
1414 if (max_size && F_LENGTH(file) > max_size) {
1417 fname = f_name(file, NULL);
1418 rprintf(FINFO, "%s is over max-size\n", fname);
1422 if (min_size && F_LENGTH(file) < min_size) {
1425 fname = f_name(file, NULL);
1426 rprintf(FINFO, "%s is under min-size\n", fname);
1431 if (ignore_existing && statret == 0) {
1433 rprintf(FINFO, "%s exists\n", fname);
1437 if (update_only && statret == 0
1438 && cmp_time(st.st_mtime, file->modtime) > 0) {
1440 rprintf(FINFO, "%s is newer\n", fname);
1445 fnamecmp_type = FNAMECMP_FNAME;
1447 if (statret == 0 && !S_ISREG(st.st_mode)) {
1448 if (delete_item(fname, st.st_mode, "regular file", del_opts) != 0)
1451 stat_errno = ENOENT;
1454 if (statret != 0 && basis_dir[0] != NULL) {
1455 int j = try_dests_reg(file, fname, ndx, fnamecmpbuf, &st,
1458 if (remove_source_files == 1)
1459 goto return_with_success;
1463 fnamecmp = fnamecmpbuf;
1472 if (partial_dir && (partialptr = partial_dir_fname(fname)) != NULL
1473 && link_stat(partialptr, &partial_st, 0) == 0
1474 && S_ISREG(partial_st.st_mode)) {
1476 goto prepare_to_open;
1480 if (statret != 0 && fuzzy_dirlist && dry_run <= 1) {
1481 int j = find_fuzzy(file, fuzzy_dirlist);
1483 fuzzy_file = fuzzy_dirlist->files[j];
1484 f_name(fuzzy_file, fnamecmpbuf);
1486 rprintf(FINFO, "fuzzy basis selected for %s: %s\n",
1487 fname, fnamecmpbuf);
1489 st.st_size = F_LENGTH(fuzzy_file);
1491 fnamecmp = fnamecmpbuf;
1492 fnamecmp_type = FNAMECMP_FUZZY;
1497 #ifdef SUPPORT_HARD_LINKS
1498 if (preserve_hard_links && F_NOT_HLINK_LAST(file))
1501 if (stat_errno == ENOENT)
1503 rsyserr(FERROR, stat_errno, "recv_generator: failed to stat %s",
1508 if (append_mode && st.st_size > F_LENGTH(file))
1511 if (fnamecmp_type <= FNAMECMP_BASIS_DIR_HIGH)
1513 else if (fnamecmp_type == FNAMECMP_FUZZY)
1515 else if (unchanged_file(fnamecmp, file, &st)) {
1517 do_unlink(partialptr);
1518 handle_partial_dir(partialptr, PDIR_DELETE);
1521 itemize(file, ndx, statret, &st, 0, 0, NULL);
1522 set_file_attrs(fname, file, &st, maybe_ATTRS_REPORT);
1523 #ifdef SUPPORT_HARD_LINKS
1524 if (preserve_hard_links && F_IS_HLINKED(file))
1525 finish_hard_link(file, fname, &st, itemizing, code, -1);
1527 if (remove_source_files != 1)
1529 return_with_success:
1531 send_msg_int(MSG_SUCCESS, ndx);
1538 fnamecmp = partialptr;
1539 fnamecmp_type = FNAMECMP_PARTIAL_DIR;
1543 if (!do_xfers || read_batch || whole_file)
1546 if (fuzzy_dirlist) {
1547 int j = flist_find(fuzzy_dirlist, file);
1548 if (j >= 0) /* don't use changing file as future fuzzy basis */
1549 fuzzy_dirlist->files[j]->flags |= FLAG_SENT;
1553 fd = do_open(fnamecmp, O_RDONLY, 0);
1556 rsyserr(FERROR, errno, "failed to open %s, continuing",
1557 full_fname(fnamecmp));
1559 /* pretend the file didn't exist */
1560 #ifdef SUPPORT_HARD_LINKS
1561 if (preserve_hard_links && F_NOT_HLINK_LAST(file))
1564 statret = real_ret = -1;
1568 if (inplace && make_backups && fnamecmp_type == FNAMECMP_FNAME) {
1569 if (!(backupptr = get_backup_name(fname))) {
1573 if (!(back_file = make_file(fname, NULL, NULL, 0, NO_FILTERS))) {
1575 goto pretend_missing;
1577 if (robust_unlink(backupptr) && errno != ENOENT) {
1578 rsyserr(FERROR, errno, "unlink %s",
1579 full_fname(backupptr));
1580 unmake_file(back_file);
1584 if ((f_copy = do_open(backupptr,
1585 O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0600)) < 0) {
1586 rsyserr(FERROR, errno, "open %s",
1587 full_fname(backupptr));
1588 unmake_file(back_file);
1592 fnamecmp_type = FNAMECMP_BACKUP;
1596 rprintf(FINFO, "gen mapped %s of size %.0f\n",
1597 fnamecmp, (double)st.st_size);
1601 rprintf(FINFO, "generating and sending sums for %d\n", ndx);
1604 if (remove_source_files && !delay_updates && !phase)
1605 increment_active_files(ndx, itemizing, code);
1606 #ifdef SUPPORT_HARD_LINKS
1607 if (preserve_hard_links && F_IS_HLINKED(file))
1608 file->flags |= FLAG_SENT;
1610 write_int(f_out, ndx);
1612 int iflags = ITEM_TRANSFER;
1613 if (always_checksum)
1614 iflags |= ITEM_REPORT_CHECKSUM;
1615 if (fnamecmp_type != FNAMECMP_FNAME)
1616 iflags |= ITEM_BASIS_TYPE_FOLLOWS;
1617 if (fnamecmp_type == FNAMECMP_FUZZY)
1618 iflags |= ITEM_XNAME_FOLLOWS;
1619 itemize(file, -1, real_ret, &real_st, iflags, fnamecmp_type,
1620 fuzzy_file ? F_BASENAME(fuzzy_file) : NULL);
1624 #ifdef SUPPORT_HARD_LINKS
1625 if (preserve_hard_links && F_IS_HLINKED(file))
1626 finish_hard_link(file, fname, &st, itemizing, code, -1);
1633 if (statret != 0 || whole_file) {
1634 write_sum_head(f_out, NULL);
1638 generate_and_send_sums(fd, st.st_size, f_out, f_copy);
1642 set_file_attrs(backupptr, back_file, NULL, 0);
1644 rprintf(FINFO, "backed up %s to %s\n",
1647 unmake_file(back_file);
1653 void generate_files(int f_out, struct file_list *flist, char *local_name)
1656 char fbuf[MAXPATHLEN];
1659 int lull_mod = allowed_lull * 5;
1660 int need_retouch_dir_times = preserve_times && !omit_dir_times;
1661 int need_retouch_dir_perms = 0;
1662 int save_ignore_existing = ignore_existing;
1663 int save_ignore_non_existing = ignore_non_existing;
1664 int save_do_progress = do_progress;
1665 int save_make_backups = make_backups;
1666 int dir_tweaking = !(list_only || local_name || dry_run);
1668 if (protocol_version >= 29) {
1670 maybe_ATTRS_REPORT = stdout_format_has_i ? 0 : ATTRS_REPORT;
1671 code = logfile_format_has_i ? FNONE : FLOG;
1672 } else if (am_daemon) {
1673 itemizing = logfile_format_has_i && do_xfers;
1674 maybe_ATTRS_REPORT = ATTRS_REPORT;
1675 code = itemizing || !do_xfers ? FCLIENT : FINFO;
1676 } else if (!am_server) {
1677 itemizing = stdout_format_has_i;
1678 maybe_ATTRS_REPORT = stdout_format_has_i ? 0 : ATTRS_REPORT;
1679 code = itemizing ? FNONE : FINFO;
1682 maybe_ATTRS_REPORT = ATTRS_REPORT;
1685 solo_file = local_name != NULL;
1688 rprintf(FINFO, "generator starting pid=%ld count=%d\n",
1689 (long)getpid(), flist->count);
1692 if (delete_before && !local_name && flist->count > 0)
1693 do_delete_pass(flist);
1694 if (delete_during == 2) {
1695 deldelay_size = BIGPATHBUFLEN * 4;
1696 deldelay_buf = new_array(char, deldelay_size);
1698 out_of_memory("delete-delay");
1702 if (append_mode || whole_file < 0)
1705 rprintf(FINFO, "delta-transmission %s\n",
1707 ? "disabled for local transfer or --whole-file"
1711 /* Since we often fill up the outgoing socket and then just sit around
1712 * waiting for the other 2 processes to do their thing, we don't want
1713 * to exit on a timeout. If the data stops flowing, the receiver will
1714 * notice that and let us know via the redo pipe (or its closing). */
1717 for (i = 0; i < flist->count; i++) {
1718 struct file_struct *file = flist->files[i];
1720 if (!F_IS_ACTIVE(file))
1724 strlcpy(fbuf, local_name, sizeof fbuf);
1727 recv_generator(fbuf, file, i, itemizing, code, f_out);
1729 /* We need to ensure that any dirs we create have writeable
1730 * permissions during the time we are putting files within
1731 * them. This is then fixed after the transfer is done. */
1733 if (!am_root && S_ISDIR(file->mode) && !(file->mode & S_IWUSR)
1735 mode_t mode = file->mode | S_IWUSR; /* user write */
1736 char *fname = local_name ? local_name : fbuf;
1737 if (do_chmod(fname, mode) < 0) {
1738 rsyserr(FERROR, errno,
1739 "failed to modify permissions on %s",
1742 need_retouch_dir_perms = 1;
1746 #ifdef SUPPORT_HARD_LINKS
1747 if (preserve_hard_links)
1748 check_for_finished_hlinks(itemizing, code);
1751 if (allowed_lull && !(i % lull_mod))
1752 maybe_send_keepalive();
1753 else if (!(i % 200))
1754 maybe_flush_socket();
1756 recv_generator(NULL, NULL, 0, 0, code, -1);
1758 delete_in_dir(NULL, NULL, NULL, NULL);
1761 csum_length = SUM_LENGTH;
1762 max_size = min_size = ignore_existing = ignore_non_existing = 0;
1763 update_only = always_checksum = size_only = 0;
1765 if (append_mode) /* resend w/o append mode */
1766 append_mode = -1; /* ... but only longer files */
1767 make_backups = 0; /* avoid a duplicate backup for inplace processing */
1770 rprintf(FINFO, "generate_files phase=%d\n", phase);
1772 write_int(f_out, NDX_DONE);
1774 /* files can cycle through the system more than once
1775 * to catch initial checksum errors */
1776 while ((i = get_redo_num(itemizing, code)) != -1) {
1777 struct file_struct *file = flist->files[i];
1779 strlcpy(fbuf, local_name, sizeof fbuf);
1782 recv_generator(fbuf, file, i, itemizing, code, f_out);
1786 ignore_non_existing = save_ignore_non_existing;
1787 ignore_existing = save_ignore_existing;
1788 make_backups = save_make_backups;
1791 rprintf(FINFO, "generate_files phase=%d\n", phase);
1793 write_int(f_out, NDX_DONE);
1794 /* Reduce round-trip lag-time for a useless delay-updates phase. */
1795 if (protocol_version >= 29 && !delay_updates)
1796 write_int(f_out, NDX_DONE);
1798 /* Read MSG_DONE for the redo phase (and any prior messages). */
1799 get_redo_num(itemizing, code);
1801 if (protocol_version >= 29) {
1804 rprintf(FINFO, "generate_files phase=%d\n", phase);
1806 write_int(f_out, NDX_DONE);
1807 /* Read MSG_DONE for delay-updates phase & prior messages. */
1808 get_redo_num(itemizing, code);
1811 do_progress = save_do_progress;
1812 if (delete_during == 2)
1813 do_delayed_deletions(fbuf);
1814 if (delete_after && !local_name && flist->count > 0)
1815 do_delete_pass(flist);
1817 if ((need_retouch_dir_perms || need_retouch_dir_times) && dir_tweaking) {
1819 /* Now we need to fix any directory permissions that were
1820 * modified during the transfer and/or re-set any tweaked
1821 * modified-time values. */
1822 for (i = 0; i < flist->count; i++) {
1823 struct file_struct *file = flist->files[i];
1824 if (!F_IS_ACTIVE(file) || !S_ISDIR(file->mode))
1826 if (!need_retouch_dir_times && file->mode & S_IWUSR)
1828 if (file->flags & FLAG_MISSING_DIR) {
1829 int missing = file->dir.depth;
1830 while (++i < flist->count) {
1831 file = flist->files[i];
1832 if (file->dir.depth <= missing)
1838 recv_generator(f_name(file, NULL), file, i, itemizing,
1840 if (allowed_lull && !(++j % lull_mod))
1841 maybe_send_keepalive();
1842 else if (!(j % 200))
1843 maybe_flush_socket();
1846 recv_generator(NULL, NULL, 0, 0, code, -1);
1848 if (max_delete >= 0 && deletion_count > max_delete) {
1850 "Deletions stopped due to --max-delete limit (%d skipped)\n",
1851 deletion_count - max_delete);
1852 io_error |= IOERR_DEL_LIMIT;
1856 rprintf(FINFO, "generate_files finished\n");