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) 2003-2022 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 3 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, visit the http://fsf.org website.
29 extern int stdout_format_has_i;
30 extern int logfile_format_has_i;
34 extern int inc_recurse;
35 extern int relative_paths;
36 extern int implied_dirs;
37 extern int keep_dirlinks;
38 extern int write_devices;
39 extern int preserve_acls;
40 extern int preserve_xattrs;
41 extern int preserve_links;
42 extern int preserve_devices;
43 extern int preserve_specials;
44 extern int preserve_hard_links;
45 extern int preserve_executability;
46 extern int preserve_perms;
47 extern int preserve_mtimes;
48 extern int omit_dir_times;
49 extern int omit_link_times;
50 extern int delete_mode;
51 extern int delete_before;
52 extern int delete_during;
53 extern int delete_after;
54 extern int missing_args;
55 extern int msgdone_cnt;
56 extern int ignore_errors;
57 extern int remove_source_files;
58 extern int delay_updates;
59 extern int update_only;
60 extern int human_readable;
61 extern int ignore_existing;
62 extern int ignore_non_existing;
63 extern int want_xattr_optim;
64 extern int modify_window;
66 extern int append_mode;
67 extern int make_backups;
68 extern int csum_length;
69 extern int ignore_times;
71 extern OFF_T max_size;
72 extern OFF_T min_size;
75 extern int allowed_lull;
76 extern int sock_f_out;
77 extern int protocol_version;
78 extern int file_total;
79 extern int fuzzy_basis;
80 extern int always_checksum;
81 extern int flist_csum_len;
82 extern char *partial_dir;
83 extern int alt_dest_type;
84 extern int whole_file;
86 extern int read_batch;
87 extern int write_batch;
88 extern int safe_symlinks;
89 extern int32 block_size;
90 extern int unsort_ndx;
91 extern int max_delete;
92 extern int force_delete;
93 extern int one_file_system;
94 extern int skipped_deletes;
95 extern dev_t filesystem_dev;
96 extern mode_t orig_umask;
99 extern char *basis_dir[MAX_BASIS_DIRS+1];
100 extern struct file_list *cur_flist, *first_flist, *dir_flist;
101 extern filter_rule_list filter_list, daemon_filter_list;
103 int maybe_ATTRS_REPORT = 0;
104 int maybe_ATTRS_ACCURATE_TIME = 0;
106 static dev_t dev_zero;
107 static int deldelay_size = 0, deldelay_cnt = 0;
108 static char *deldelay_buf = NULL;
109 static int deldelay_fd = -1;
110 static int loopchk_limit;
111 static int dir_tweaking;
112 static int symlink_timeset_failed_flags;
113 static int need_retouch_dir_times;
114 static int need_retouch_dir_perms;
115 static const char *solo_file = NULL;
117 /* Forward declarations. */
118 #ifdef SUPPORT_HARD_LINKS
119 static void handle_skipped_hlink(struct file_struct *file, int itemizing,
120 enum logcode code, int f_out);
123 #define EARLY_DELAY_DONE_MSG() (!delay_updates)
124 #define EARLY_DELETE_DONE_MSG() (!(delete_during == 2 || delete_after))
126 static int start_delete_delay_temp(void)
128 char fnametmp[MAXPATHLEN];
129 int save_dry_run = dry_run;
132 if (!get_tmpname(fnametmp, "deldelay", False)
133 || (deldelay_fd = do_mkstemp(fnametmp, 0600)) < 0) {
134 rprintf(FINFO, "NOTE: Unable to create delete-delay temp file%s.\n",
135 inc_recurse ? "" : " -- switching to --delete-after");
137 delete_after = !inc_recurse;
138 dry_run = save_dry_run;
142 dry_run = save_dry_run;
146 static int flush_delete_delay(void)
148 if (deldelay_fd < 0 && !start_delete_delay_temp())
150 if (write(deldelay_fd, deldelay_buf, deldelay_cnt) != deldelay_cnt) {
151 rsyserr(FERROR, errno, "flush of delete-delay buffer");
153 delete_after = !inc_recurse;
161 static int remember_delete(struct file_struct *file, const char *fname, int flags)
165 if (deldelay_cnt == deldelay_size && !flush_delete_delay())
168 if (flags & DEL_NO_UID_WRITE)
169 deldelay_buf[deldelay_cnt++] = '!';
172 len = snprintf(deldelay_buf + deldelay_cnt, deldelay_size - deldelay_cnt,
173 "%x %s%c", (int)file->mode, fname, '\0');
174 if ((deldelay_cnt += len) <= deldelay_size)
177 if (!flush_delete_delay())
184 static int read_delay_line(char *buf, int *flags_p)
186 static int read_pos = 0;
189 char *bp, *past_space;
192 for (j = read_pos; j < deldelay_cnt && deldelay_buf[j]; j++) {}
193 if (j < deldelay_cnt)
195 if (deldelay_fd < 0) {
200 deldelay_cnt -= read_pos;
201 if (deldelay_cnt == deldelay_size)
203 if (deldelay_cnt && read_pos) {
204 memmove(deldelay_buf, deldelay_buf + read_pos,
207 len = read(deldelay_fd, deldelay_buf + deldelay_cnt,
208 deldelay_size - deldelay_cnt);
211 rprintf(FERROR, "ERROR: unexpected EOF in delete-delay file.\n");
216 rsyserr(FERROR, errno,
217 "reading delete-delay file");
224 bp = deldelay_buf + read_pos;
227 *flags_p = DEL_NO_UID_WRITE;
231 if (sscanf(bp, "%x ", &mode) != 1) {
233 rprintf(FERROR, "ERROR: invalid data in delete-delay file.\n");
236 past_space = strchr(bp, ' ') + 1;
237 len = j - read_pos - (past_space - bp) + 1; /* count the '\0' */
240 if (len > MAXPATHLEN) {
241 rprintf(FERROR, "ERROR: filename too long in delete-delay file.\n");
245 /* The caller needs the name in a MAXPATHLEN buffer, so we copy it
246 * instead of returning a pointer to our buffer. */
247 memcpy(buf, past_space, len);
252 static void do_delayed_deletions(char *delbuf)
256 if (deldelay_fd >= 0) {
257 if (deldelay_cnt && !flush_delete_delay())
259 lseek(deldelay_fd, 0, 0);
261 while ((mode = read_delay_line(delbuf, &flags)) >= 0)
262 delete_item(delbuf, mode, flags | DEL_RECURSE);
263 if (deldelay_fd >= 0)
267 /* This function is used to implement per-directory deletion, and is used by
268 * all the --delete-WHEN options. Note that the fbuf pointer must point to a
269 * MAXPATHLEN buffer with the name of the directory in it (the functions we
270 * call will append names onto the end, but the old dir value will be restored
272 static void delete_in_dir(char *fbuf, struct file_struct *file, dev_t fs_dev)
274 static int already_warned = 0;
275 static struct hashtable *dev_tbl;
276 struct file_list *dirlist;
277 char delbuf[MAXPATHLEN];
281 change_local_filter_dir(NULL, 0, 0);
285 if (DEBUG_GTE(DEL, 2))
286 rprintf(FINFO, "delete_in_dir(%s)\n", fbuf);
289 maybe_send_keepalive(time(NULL), MSK_ALLOW_FLUSH);
291 if (io_error & IOERR_GENERAL && !ignore_errors) {
295 "IO error encountered -- skipping file deletion\n");
301 change_local_filter_dir(fbuf, dlen, F_DEPTH(file));
303 if (one_file_system) {
305 dev_tbl = hashtable_create(16, HT_KEY64);
306 if (file->flags & FLAG_TOP_DIR) {
307 hashtable_find(dev_tbl, fs_dev+1, "");
308 filesystem_dev = fs_dev;
309 } else if (filesystem_dev != fs_dev) {
310 if (!hashtable_find(dev_tbl, fs_dev+1, NULL))
312 filesystem_dev = fs_dev; /* it's a prior top-dir dev */
316 dirlist = get_dirlist(fbuf, dlen, 0);
318 /* If an item in dirlist is not found in flist, delete it
319 * from the filesystem. */
320 for (i = dirlist->used; i--; ) {
321 struct file_struct *fp = dirlist->files[i];
322 if (!F_IS_ACTIVE(fp))
324 if (fp->flags & FLAG_MOUNT_DIR && S_ISDIR(fp->mode)) {
325 if (INFO_GTE(MOUNT, 1))
326 rprintf(FINFO, "cannot delete mount point: %s\n",
330 /* Here we want to match regardless of file type. Replacement
331 * of a file with one of another type is handled separately by
332 * a delete_item call with a DEL_MAKE_ROOM flag. */
333 if (flist_find_ignore_dirness(cur_flist, fp) < 0) {
334 int flags = DEL_RECURSE;
335 if (!(fp->mode & S_IWUSR) && !am_root && fp->flags & FLAG_OWNED_BY_US)
336 flags |= DEL_NO_UID_WRITE;
338 if (delete_during == 2) {
339 if (!remember_delete(fp, delbuf, flags))
342 delete_item(delbuf, fp->mode, flags);
349 /* This deletes any files on the receiving side that are not present on the
350 * sending side. This is used by --delete-before and --delete-after. */
351 static void do_delete_pass(void)
353 char fbuf[MAXPATHLEN];
357 /* dry_run is incremented when the destination doesn't exist yet. */
358 if (dry_run > 1 || list_only)
361 for (j = 0; j < cur_flist->used; j++) {
362 struct file_struct *file = cur_flist->sorted[j];
364 if (!F_IS_ACTIVE(file))
369 if (!(file->flags & FLAG_CONTENT_DIR)) {
370 change_local_filter_dir(fbuf, strlen(fbuf), F_DEPTH(file));
374 if (DEBUG_GTE(DEL, 1) && file->flags & FLAG_TOP_DIR)
375 rprintf(FINFO, "deleting in %s\n", fbuf);
377 if (link_stat(fbuf, &st, keep_dirlinks) < 0
378 || !S_ISDIR(st.st_mode))
381 delete_in_dir(fbuf, file, st.st_dev);
383 delete_in_dir(NULL, NULL, dev_zero);
385 if (INFO_GTE(FLIST, 2) && !am_server)
386 rprintf(FINFO, " \r");
389 static inline int mtime_differs(STRUCT_STAT *stp, struct file_struct *file)
392 return !same_time(stp->st_mtime, stp->ST_MTIME_NSEC, file->modtime, F_MOD_NSEC_or_0(file));
394 return !same_time(stp->st_mtime, 0, file->modtime, 0);
398 static inline int any_time_differs(stat_x *sxp, struct file_struct *file, UNUSED(const char *fname))
400 int differs = mtime_differs(&sxp->st, file);
401 #ifdef SUPPORT_CRTIMES
402 if (!differs && crtimes_ndx) {
403 if (sxp->crtime == 0)
404 sxp->crtime = get_create_time(fname, &sxp->st);
405 differs = !same_time(sxp->crtime, 0, F_CRTIME(file), 0);
411 static inline int perms_differ(struct file_struct *file, stat_x *sxp)
414 return !BITS_EQUAL(sxp->st.st_mode, file->mode, CHMOD_BITS);
416 if (preserve_executability)
417 return (sxp->st.st_mode & 0111 ? 1 : 0) ^ (file->mode & 0111 ? 1 : 0);
422 static inline int ownership_differs(struct file_struct *file, stat_x *sxp)
424 if (am_root && uid_ndx && sxp->st.st_uid != (uid_t)F_OWNER(file))
427 if (gid_ndx && !(file->flags & FLAG_SKIP_GROUP) && sxp->st.st_gid != (gid_t)F_GROUP(file))
434 static inline int acls_differ(const char *fname, struct file_struct *file, stat_x *sxp)
437 if (!ACL_READY(*sxp))
439 if (set_acl(NULL, file, sxp, file->mode))
447 #ifdef SUPPORT_XATTRS
448 static inline int xattrs_differ(const char *fname, struct file_struct *file, stat_x *sxp)
450 if (preserve_xattrs) {
451 if (!XATTR_READY(*sxp))
452 get_xattr(fname, sxp);
453 if (xattr_diff(file, sxp, 0))
461 int unchanged_attrs(const char *fname, struct file_struct *file, stat_x *sxp)
463 if (S_ISLNK(file->mode)) {
464 #ifdef CAN_SET_SYMLINK_TIMES
465 if (preserve_mtimes && !omit_link_times && any_time_differs(sxp, file, fname))
468 #ifdef CAN_CHMOD_SYMLINK
469 if (perms_differ(file, sxp))
472 #ifdef CAN_CHOWN_SYMLINK
473 if (ownership_differs(file, sxp))
476 #if defined SUPPORT_ACLS && 0 /* no current symlink-ACL support */
477 if (acls_differ(fname, file, sxp))
480 #if defined SUPPORT_XATTRS && !defined NO_SYMLINK_XATTRS
481 if (xattrs_differ(fname, file, sxp))
485 if (preserve_mtimes && any_time_differs(sxp, file, fname))
487 if (perms_differ(file, sxp))
489 if (ownership_differs(file, sxp))
492 if (acls_differ(fname, file, sxp))
495 #ifdef SUPPORT_XATTRS
496 if (xattrs_differ(fname, file, sxp))
504 void itemize(const char *fnamecmp, struct file_struct *file, int ndx, int statret,
505 stat_x *sxp, int32 iflags, uchar fnamecmp_type,
508 if (statret >= 0) { /* A from-dest-dir statret can == 1! */
509 int keep_time = !preserve_mtimes ? 0
510 : S_ISDIR(file->mode) ? !omit_dir_times
511 : S_ISLNK(file->mode) ? !omit_link_times
514 if (S_ISREG(file->mode) && F_LENGTH(file) != sxp->st.st_size)
515 iflags |= ITEM_REPORT_SIZE;
516 if (file->flags & FLAG_TIME_FAILED) { /* symlinks only */
517 if (iflags & ITEM_LOCAL_CHANGE)
518 iflags |= symlink_timeset_failed_flags;
520 ? mtime_differs(&sxp->st, file)
521 : iflags & (ITEM_TRANSFER|ITEM_LOCAL_CHANGE) && !(iflags & ITEM_MATCHED)
522 && (!(iflags & ITEM_XNAME_FOLLOWS) || *xname))
523 iflags |= ITEM_REPORT_TIME;
524 if (atimes_ndx && !S_ISDIR(file->mode) && !S_ISLNK(file->mode)
525 && !same_time(F_ATIME(file), 0, sxp->st.st_atime, 0))
526 iflags |= ITEM_REPORT_ATIME;
527 #ifdef SUPPORT_CRTIMES
529 if (sxp->crtime == 0)
530 sxp->crtime = get_create_time(fnamecmp, &sxp->st);
531 if (!same_time(sxp->crtime, 0, F_CRTIME(file), 0))
532 iflags |= ITEM_REPORT_CRTIME;
535 #ifndef CAN_CHMOD_SYMLINK
536 if (S_ISLNK(file->mode)) {
540 if (preserve_perms) {
541 if (!BITS_EQUAL(sxp->st.st_mode, file->mode, CHMOD_BITS))
542 iflags |= ITEM_REPORT_PERMS;
543 } else if (preserve_executability
544 && ((sxp->st.st_mode & 0111 ? 1 : 0) ^ (file->mode & 0111 ? 1 : 0)))
545 iflags |= ITEM_REPORT_PERMS;
546 if (uid_ndx && am_root && (uid_t)F_OWNER(file) != sxp->st.st_uid)
547 iflags |= ITEM_REPORT_OWNER;
548 if (gid_ndx && !(file->flags & FLAG_SKIP_GROUP) && sxp->st.st_gid != (gid_t)F_GROUP(file))
549 iflags |= ITEM_REPORT_GROUP;
551 if (preserve_acls && !S_ISLNK(file->mode)) {
552 if (!ACL_READY(*sxp))
553 get_acl(fnamecmp, sxp);
554 if (set_acl(NULL, file, sxp, file->mode))
555 iflags |= ITEM_REPORT_ACL;
558 #ifdef SUPPORT_XATTRS
559 if (preserve_xattrs) {
560 if (!XATTR_READY(*sxp))
561 get_xattr(fnamecmp, sxp);
562 if (xattr_diff(file, sxp, 1))
563 iflags |= ITEM_REPORT_XATTR;
567 #ifdef SUPPORT_XATTRS
568 if (preserve_xattrs && xattr_diff(file, NULL, 1))
569 iflags |= ITEM_REPORT_XATTR;
571 iflags |= ITEM_IS_NEW;
575 if ((iflags & (SIGNIFICANT_ITEM_FLAGS|ITEM_REPORT_XATTR) || INFO_GTE(NAME, 2)
576 || stdout_format_has_i > 1 || (xname && *xname)) && !read_batch) {
577 if (protocol_version >= 29) {
579 write_ndx(sock_f_out, ndx);
580 write_shortint(sock_f_out, iflags);
581 if (iflags & ITEM_BASIS_TYPE_FOLLOWS)
582 write_byte(sock_f_out, fnamecmp_type);
583 if (iflags & ITEM_XNAME_FOLLOWS)
584 write_vstring(sock_f_out, xname, strlen(xname));
585 #ifdef SUPPORT_XATTRS
586 if (preserve_xattrs && do_xfers
587 && iflags & (ITEM_REPORT_XATTR|ITEM_TRANSFER)) {
588 int fd = iflags & ITEM_REPORT_XATTR
589 && !(want_xattr_optim && BITS_SET(iflags, ITEM_XNAME_FOLLOWS|ITEM_LOCAL_CHANGE))
591 send_xattr_request(NULL, file, fd);
594 } else if (ndx >= 0) {
595 enum logcode code = logfile_format_has_i ? FINFO : FCLIENT;
596 log_item(code, file, iflags, xname);
601 static enum filetype get_file_type(mode_t mode)
609 if (IS_SPECIAL(mode))
613 return FT_UNSUPPORTED;
616 /* Perform our quick-check heuristic for determining if a file is unchanged. */
617 int quick_check_ok(enum filetype ftype, const char *fn, struct file_struct *file, STRUCT_STAT *st)
621 if (st->st_size != F_LENGTH(file))
624 /* If always_checksum is set then we use the checksum instead
625 * of the file mtime to determine whether to sync. */
626 if (always_checksum > 0) {
627 char sum[MAX_DIGEST_LEN];
628 file_checksum(fn, st, sum);
629 return memcmp(sum, F_SUM(file), flist_csum_len) == 0;
638 if (mtime_differs(st, file))
645 char lnk[MAXPATHLEN];
646 int len = do_readlink(fn, lnk, MAXPATHLEN-1);
650 if (strcmp(lnk, F_SYMLINK(file)) != 0)
658 if (!BITS_EQUAL(file->mode, st->st_mode, _S_IFMT))
662 uint32 *devp = F_RDEV_P(file);
663 if (st->st_rdev != MAKEDEV(DEV_MAJOR(devp), DEV_MINOR(devp)))
674 * set (initialize) the size entries in the per-file sum_struct
675 * calculating dynamic block and checksum sizes.
677 * This is only called from generate_and_send_sums() but is a separate
678 * function to encapsulate the logic.
680 * The block size is a rounded square root of file length.
682 * The checksum size is determined according to:
683 * blocksum_bits = BLOCKSUM_BIAS + 2*log2(file_len) - log2(block_len)
684 * provided by Donovan Baarda which gives a probability of rsync
685 * algorithm corrupting data and falling back using the whole md4
688 * This might be made one of several selectable heuristics.
690 static void sum_sizes_sqroot(struct sum_struct *sum, int64 len)
697 /* The file length overflowed our int64 var, so we can't process this file. */
698 sum->count = -1; /* indicate overflow error */
703 blength = block_size;
704 else if (len <= BLOCK_SIZE * BLOCK_SIZE)
705 blength = BLOCK_SIZE;
707 int32 max_blength = protocol_version < 30 ? OLD_MAX_BLOCK_SIZE : MAX_BLOCK_SIZE;
710 for (c = 1, l = len, cnt = 0; l >>= 2; c <<= 1, cnt++) {}
711 if (c < 0 || c >= max_blength)
712 blength = max_blength;
717 if (len < (int64)blength * blength)
720 } while (c >= 8); /* round to multiple of 8 */
721 blength = MAX(blength, BLOCK_SIZE);
725 if (protocol_version < 27) {
726 s2length = csum_length;
727 } else if (csum_length == SUM_LENGTH) {
728 s2length = SUM_LENGTH;
731 int b = BLOCKSUM_BIAS;
732 for (l = len; l >>= 1; b += 2) {}
733 for (c = blength; (c >>= 1) && b; b--) {}
734 /* add a bit, subtract rollsum, round up. */
735 s2length = (b + 1 - 32 + 7) / 8; /* --optimize in compiler-- */
736 s2length = MAX(s2length, csum_length);
737 s2length = MIN(s2length, SUM_LENGTH);
741 sum->blength = blength;
742 sum->s2length = s2length;
743 sum->remainder = (int32)(len % blength);
744 sum->count = (int32)(l = (len / blength) + (sum->remainder != 0));
746 if ((int64)sum->count != l)
749 if (sum->count && DEBUG_GTE(DELTASUM, 2)) {
751 "count=%s rem=%ld blength=%ld s2length=%d flength=%s\n",
752 big_num(sum->count), (long)sum->remainder, (long)sum->blength,
753 sum->s2length, big_num(sum->flength));
759 * Generate and send a stream of signatures/checksums that describe a buffer
761 * Generate approximately one checksum every block_len bytes.
763 static int generate_and_send_sums(int fd, OFF_T len, int f_out, int f_copy)
766 struct map_struct *mapbuf;
767 struct sum_struct sum;
770 sum_sizes_sqroot(&sum, len);
773 write_sum_head(f_out, &sum);
775 if (append_mode > 0 && f_copy < 0)
779 mapbuf = map_file(fd, len, MAX_MAP_SIZE, sum.blength);
783 for (i = 0; i < sum.count; i++) {
784 int32 n1 = (int32)MIN(len, (OFF_T)sum.blength);
785 char *map = map_ptr(mapbuf, offset, n1);
786 char sum2[SUM_LENGTH];
793 full_write(f_copy, map, n1);
798 sum1 = get_checksum1(map, n1);
799 get_checksum2(map, n1, sum2);
801 if (DEBUG_GTE(DELTASUM, 3)) {
803 "chunk[%s] offset=%s len=%ld sum1=%08lx\n",
804 big_num(i), big_num(offset - n1), (long)n1,
805 (unsigned long)sum1);
807 write_int(f_out, sum1);
808 write_buf(f_out, sum2, sum.s2length);
818 /* Try to find a filename in the same dir as "fname" with a similar name. */
819 static struct file_struct *find_fuzzy(struct file_struct *file, struct file_list *dirlist_array[], uchar *fnamecmp_type_ptr)
821 int fname_len, fname_suf_len;
822 const char *fname_suf, *fname = file->basename;
823 uint32 lowest_dist = 25 << 16; /* ignore a distance greater than 25 */
825 struct file_struct *lowest_fp = NULL;
827 fname_len = strlen(fname);
828 fname_suf = find_filename_suffix(fname, fname_len, &fname_suf_len);
830 /* Try to find an exact size+mtime match first. */
831 for (i = 0; i < fuzzy_basis; i++) {
832 struct file_list *dirlist = dirlist_array[i];
837 for (j = 0; j < dirlist->used; j++) {
838 struct file_struct *fp = dirlist->files[j];
840 if (!F_IS_ACTIVE(fp))
843 if (!S_ISREG(fp->mode) || !F_LENGTH(fp) || fp->flags & FLAG_FILE_SENT)
846 if (F_LENGTH(fp) == F_LENGTH(file) && same_time(fp->modtime, 0, file->modtime, 0)) {
847 if (DEBUG_GTE(FUZZY, 2))
848 rprintf(FINFO, "fuzzy size/modtime match for %s\n", f_name(fp, NULL));
849 *fnamecmp_type_ptr = FNAMECMP_FUZZY + i;
856 for (i = 0; i < fuzzy_basis; i++) {
857 struct file_list *dirlist = dirlist_array[i];
862 for (j = 0; j < dirlist->used; j++) {
863 struct file_struct *fp = dirlist->files[j];
864 const char *suf, *name;
868 if (!F_IS_ACTIVE(fp))
871 if (!S_ISREG(fp->mode) || !F_LENGTH(fp) || fp->flags & FLAG_FILE_SENT)
876 suf = find_filename_suffix(name, len, &suf_len);
878 dist = fuzzy_distance(name, len, fname, fname_len);
879 /* Add some extra weight to how well the suffixes match. */
880 dist += fuzzy_distance(suf, suf_len, fname_suf, fname_suf_len) * 10;
881 if (DEBUG_GTE(FUZZY, 2)) {
882 rprintf(FINFO, "fuzzy distance for %s = %d.%05d\n",
883 f_name(fp, NULL), (int)(dist>>16), (int)(dist&0xFFFF));
885 if (dist <= lowest_dist) {
888 *fnamecmp_type_ptr = FNAMECMP_FUZZY + i;
896 /* Copy a file found in our --copy-dest handling. */
897 static int copy_altdest_file(const char *src, const char *dest, struct file_struct *file)
899 char buf[MAXPATHLEN];
900 const char *copy_to, *partialptr;
901 int save_preserve_xattrs = preserve_xattrs;
905 /* Let copy_file open the destination in place. */
909 fd_w = open_tmpfile(buf, dest, file);
914 cleanup_set(copy_to, NULL, NULL, -1, -1);
915 if (copy_file(src, copy_to, fd_w, file->mode) < 0) {
916 if (INFO_GTE(COPY, 1)) {
917 rsyserr(FINFO, errno, "copy_file %s => %s",
918 full_fname(src), copy_to);
920 /* Try to clean up. */
925 partialptr = partial_dir ? partial_dir_fname(dest) : NULL;
926 preserve_xattrs = 0; /* xattrs were copied with file */
927 ok = finish_transfer(dest, copy_to, src, partialptr, file, 1, 0);
928 preserve_xattrs = save_preserve_xattrs;
933 /* This is only called for regular files. We return -2 if we've finished
934 * handling the file, -1 if no dest-linking occurred, or a non-negative
935 * value if we found an alternate basis file. If we're called with the
936 * find_exact_for_existing flag, the destination file already exists, so
937 * we only try to find an exact alt-dest match. In this case, the returns
938 * are only -2 & -1 (both as above). */
939 static int try_dests_reg(struct file_struct *file, char *fname, int ndx,
940 char *cmpbuf, stat_x *sxp, int find_exact_for_existing,
941 int itemizing, enum logcode code)
943 STRUCT_STAT real_st = sxp->st;
949 pathjoin(cmpbuf, MAXPATHLEN, basis_dir[j], fname);
950 if (link_stat(cmpbuf, &sxp->st, 0) < 0 || !S_ISREG(sxp->st.st_mode))
952 if (match_level == 0) {
956 if (!quick_check_ok(FT_REG, cmpbuf, file, &sxp->st))
958 if (match_level == 1) {
962 if (unchanged_attrs(cmpbuf, file, sxp)) {
968 } while (basis_dir[++j] != NULL);
971 goto got_nothing_for_ya;
973 if (j != best_match) {
975 pathjoin(cmpbuf, MAXPATHLEN, basis_dir[j], fname);
976 if (link_stat(cmpbuf, &sxp->st, 0) < 0)
977 goto got_nothing_for_ya;
980 if (match_level == 3 && alt_dest_type != COPY_DEST) {
981 if (find_exact_for_existing) {
982 if (alt_dest_type == LINK_DEST && real_st.st_dev == sxp->st.st_dev && real_st.st_ino == sxp->st.st_ino)
984 if (do_unlink(fname) < 0 && errno != ENOENT)
985 goto got_nothing_for_ya;
987 #ifdef SUPPORT_HARD_LINKS
988 if (alt_dest_type == LINK_DEST) {
989 if (!hard_link_one(file, fname, cmpbuf, 1))
992 set_file_attrs(fname, file, sxp, NULL, 0);
993 if (preserve_hard_links && F_IS_HLINKED(file))
994 finish_hard_link(file, fname, ndx, &sxp->st, itemizing, code, j);
995 if (!maybe_ATTRS_REPORT && (INFO_GTE(NAME, 2) || stdout_format_has_i > 1)) {
996 itemize(cmpbuf, file, ndx, 1, sxp,
997 ITEM_LOCAL_CHANGE | ITEM_XNAME_FOLLOWS,
1004 itemize(cmpbuf, file, ndx, 0, sxp, 0, 0, NULL);
1006 if (INFO_GTE(NAME, 2) && maybe_ATTRS_REPORT)
1007 rprintf(FCLIENT, "%s is uptodate\n", fname);
1011 if (find_exact_for_existing)
1012 goto got_nothing_for_ya;
1014 if (match_level >= 2) {
1015 #ifdef SUPPORT_HARD_LINKS
1016 try_a_copy: /* Copy the file locally. */
1018 if (!dry_run && copy_altdest_file(cmpbuf, fname, file) < 0) {
1019 if (find_exact_for_existing) /* Can get here via hard-link failure */
1020 goto got_nothing_for_ya;
1024 itemize(cmpbuf, file, ndx, 0, sxp, ITEM_LOCAL_CHANGE, 0, NULL);
1025 if (maybe_ATTRS_REPORT
1026 && ((!itemizing && INFO_GTE(NAME, 1) && match_level == 2)
1027 || (INFO_GTE(NAME, 2) && match_level == 3))) {
1028 code = match_level == 3 ? FCLIENT : FINFO;
1029 rprintf(code, "%s%s\n", fname,
1030 match_level == 3 ? " is uptodate" : "");
1032 #ifdef SUPPORT_HARD_LINKS
1033 if (preserve_hard_links && F_IS_HLINKED(file))
1034 finish_hard_link(file, fname, ndx, &sxp->st, itemizing, code, -1);
1039 return FNAMECMP_BASIS_DIR_LOW + j;
1046 /* This is only called for non-regular files. We return -2 if we've finished
1047 * handling the file, or -1 if no dest-linking occurred, or a non-negative
1048 * value if we found an alternate basis file. */
1049 static int try_dests_non(struct file_struct *file, char *fname, int ndx,
1050 char *cmpbuf, stat_x *sxp, int itemizing,
1053 int best_match = -1;
1054 int match_level = 0;
1055 enum filetype ftype = get_file_type(file->mode);
1058 #ifndef SUPPORT_LINKS
1059 if (ftype == FT_SYMLINK)
1062 if (ftype == FT_REG || ftype == FT_UNSUPPORTED) {
1064 "internal: try_dests_non() called with invalid mode (%o)\n",
1066 exit_cleanup(RERR_UNSUPPORTED);
1070 pathjoin(cmpbuf, MAXPATHLEN, basis_dir[j], fname);
1071 if (link_stat(cmpbuf, &sxp->st, 0) < 0)
1073 if (ftype != get_file_type(sxp->st.st_mode))
1075 if (match_level < 1) {
1079 if (!quick_check_ok(ftype, cmpbuf, file, &sxp->st))
1081 if (match_level < 2) {
1085 if (unchanged_attrs(cmpbuf, file, sxp)) {
1090 } while (basis_dir[++j] != NULL);
1095 if (j != best_match) {
1097 pathjoin(cmpbuf, MAXPATHLEN, basis_dir[j], fname);
1098 if (link_stat(cmpbuf, &sxp->st, 0) < 0)
1102 if (match_level == 3) {
1103 #ifdef SUPPORT_HARD_LINKS
1104 if (alt_dest_type == LINK_DEST
1105 #ifndef CAN_HARDLINK_SYMLINK
1106 && !S_ISLNK(file->mode)
1108 #ifndef CAN_HARDLINK_SPECIAL
1109 && !IS_SPECIAL(file->mode) && !IS_DEVICE(file->mode)
1111 && !S_ISDIR(file->mode)) {
1112 if (do_link(cmpbuf, fname) < 0) {
1113 rsyserr(FERROR_XFER, errno,
1114 "failed to hard-link %s with %s",
1118 if (preserve_hard_links && F_IS_HLINKED(file))
1119 finish_hard_link(file, fname, ndx, NULL, itemizing, code, -1);
1123 if (itemizing && stdout_format_has_i
1124 && (INFO_GTE(NAME, 2) || stdout_format_has_i > 1)) {
1125 int chg = alt_dest_type == COMPARE_DEST && ftype != FT_DIR ? 0
1126 : ITEM_LOCAL_CHANGE + (match_level == 3 ? ITEM_XNAME_FOLLOWS : 0);
1127 char *lp = match_level == 3 ? "" : NULL;
1128 itemize(cmpbuf, file, ndx, 0, sxp, chg + ITEM_MATCHED, 0, lp);
1130 if (INFO_GTE(NAME, 2) && maybe_ATTRS_REPORT) {
1131 rprintf(FCLIENT, "%s%s is uptodate\n",
1132 fname, ftype == FT_DIR ? "/" : "");
1140 static void list_file_entry(struct file_struct *f)
1142 char permbuf[PERMSTRING_SIZE];
1143 const char *mtime_str = timestring(f->modtime);
1144 int size_width = human_readable ? 14 : 11;
1145 int mtime_width = 1 + strlen(mtime_str);
1146 int atime_width = atimes_ndx ? mtime_width : 0;
1147 int crtime_width = crtimes_ndx ? mtime_width : 0;
1149 if (!F_IS_ACTIVE(f)) {
1150 /* this can happen if duplicate names were removed */
1154 /* TODO: indicate '+' if the entry has an ACL. */
1156 if (missing_args == 2 && f->mode == 0) {
1157 rprintf(FINFO, "%-*s %s\n",
1158 10 + 1 + size_width + mtime_width + atime_width + crtime_width, "*missing",
1161 const char *atime_str = atimes_ndx && !S_ISDIR(f->mode) ? timestring(F_ATIME(f)) : "";
1162 const char *crtime_str = crtimes_ndx ? timestring(F_CRTIME(f)) : "";
1163 const char *arrow, *lnk;
1165 permstring(permbuf, f->mode);
1167 #ifdef SUPPORT_LINKS
1168 if (preserve_links && S_ISLNK(f->mode)) {
1175 rprintf(FINFO, "%s %*s %s%*s%*s %s%s%s\n",
1176 permbuf, size_width, human_num(F_LENGTH(f)),
1177 timestring(f->modtime), atime_width, atime_str, crtime_width, crtime_str,
1178 f_name(f, NULL), arrow, lnk);
1182 static int phase = 0;
1183 static int dflt_perms;
1185 static int implied_dirs_are_missing;
1186 /* Helper for recv_generator's skip_dir and dry_missing_dir tests. */
1187 static BOOL is_below(struct file_struct *file, struct file_struct *subtree)
1189 return F_DEPTH(file) > F_DEPTH(subtree)
1190 && (!implied_dirs_are_missing || f_name_has_prefix(file, subtree));
1193 /* Acts on the indicated item in cur_flist whose name is fname. If a dir,
1194 * make sure it exists, and has the right permissions/timestamp info. For
1195 * all other non-regular files (symlinks, etc.) we create them here. For
1196 * regular files that have changed, we try to find a basis file and then
1197 * start sending checksums. The ndx is the file's unique index value.
1199 * The fname parameter must point to a MAXPATHLEN buffer! (e.g it gets
1200 * passed to delete_item(), which can use it during a recursive delete.)
1202 * Note that f_out is set to -1 when doing final directory-permission and
1203 * modification-time repair. */
1204 static void recv_generator(char *fname, struct file_struct *file, int ndx,
1205 int itemizing, enum logcode code, int f_out)
1207 static const char *parent_dirname = "";
1208 static struct file_struct *prior_dir_file = NULL;
1209 /* Missing dir not created due to --dry-run; will still be scanned. */
1210 static struct file_struct *dry_missing_dir = NULL;
1211 /* Missing dir whose contents are skipped altogether due to
1212 * --ignore-non-existing, daemon exclude, or mkdir failure. */
1213 static struct file_struct *skip_dir = NULL;
1214 static struct file_list *fuzzy_dirlist[MAX_BASIS_DIRS+1];
1215 static int need_fuzzy_dirlist = 0;
1216 struct file_struct *fuzzy_file = NULL;
1217 int fd = -1, f_copy = -1;
1219 STRUCT_STAT partial_st;
1220 struct file_struct *back_file = NULL;
1221 int statret, real_ret, stat_errno;
1222 char *fnamecmp, *partialptr, *backupptr = NULL;
1223 char fnamecmpbuf[MAXPATHLEN];
1224 uchar fnamecmp_type;
1225 int del_opts = delete_mode || force_delete ? DEL_RECURSE : 0;
1226 enum filetype stype, ftype = get_file_type(file->mode);
1227 int is_dir = ftype != FT_DIR ? 0
1228 : inc_recurse && ndx != cur_flist->ndx_start - 1 ? -1
1231 if (DEBUG_GTE(GENR, 1))
1232 rprintf(FINFO, "recv_generator(%s,%d)\n", fname, ndx);
1236 || (is_dir && !implied_dirs && file->flags & FLAG_IMPLIED_DIR))
1238 list_file_entry(file);
1242 maybe_ATTRS_ACCURATE_TIME = always_checksum ? ATTRS_ACCURATE_TIME : 0;
1245 if (is_below(file, skip_dir)) {
1247 file->flags |= FLAG_MISSING_DIR;
1248 #ifdef SUPPORT_HARD_LINKS
1249 else if (F_IS_HLINKED(file))
1250 handle_skipped_hlink(file, itemizing, code, f_out);
1258 if (daemon_filter_list.head && (*fname != '.' || fname[1])) {
1259 if (check_filter(&daemon_filter_list, FLOG, fname, is_dir) < 0) {
1262 #ifdef SUPPORT_HARD_LINKS
1263 if (F_IS_HLINKED(file))
1264 handle_skipped_hlink(file, itemizing, code, f_out);
1266 rprintf(FERROR_XFER,
1267 "ERROR: daemon refused to receive %s \"%s\"\n",
1268 is_dir ? "directory" : "file", fname);
1270 goto skipping_dir_contents;
1275 if (dry_run > 1 || (dry_missing_dir && is_below(file, dry_missing_dir))) {
1277 parent_is_dry_missing:
1278 for (i = 0; i < fuzzy_basis; i++) {
1279 if (fuzzy_dirlist[i]) {
1280 flist_free(fuzzy_dirlist[i]);
1281 fuzzy_dirlist[i] = NULL;
1284 parent_dirname = "";
1286 stat_errno = ENOENT;
1288 const char *dn = file->dirname ? file->dirname : ".";
1289 dry_missing_dir = NULL;
1290 if (parent_dirname != dn && strcmp(parent_dirname, dn) != 0) {
1291 /* Each parent dir must be in the file list or the flist data is bad.
1292 * Optimization: most of the time the parent dir will be the last dir
1293 * this function was asked to process in the file list. */
1295 && (*dn != '.' || dn[1]) /* Avoid an issue with --relative and the "." dir. */
1296 && (!prior_dir_file || strcmp(dn, f_name(prior_dir_file, NULL)) != 0)) {
1297 int ok = 0, j = flist_find_name(cur_flist, dn, -1);
1299 struct file_struct *f = cur_flist->sorted[j];
1300 if (S_ISDIR(f->mode) || (missing_args == 2 && !file->mode && !f->mode))
1303 /* The --delete-missing-args option can actually put invalid entries into
1304 * the file list, so if that option was specified, we'll just complain about
1305 * it and allow it. */
1306 if (!ok && missing_args == 2 && file->mode == 0 && j < 0)
1307 rprintf(FERROR, "WARNING: parent dir is absent in the file list: %s\n", dn);
1309 rprintf(FERROR, "ABORTING due to invalid path from sender: %s/%s\n",
1310 dn, file->basename);
1311 exit_cleanup(RERR_PROTOCOL);
1314 if (relative_paths && !implied_dirs && file->mode != 0
1315 && do_stat(dn, &sx.st) < 0) {
1317 goto parent_is_dry_missing;
1318 if (make_path(fname, MKP_DROP_NAME | MKP_SKIP_SLASH) < 0) {
1319 rsyserr(FERROR_XFER, errno,
1320 "recv_generator: mkdir %s failed",
1326 for (i = 0; i < fuzzy_basis; i++) {
1327 if (fuzzy_dirlist[i]) {
1328 flist_free(fuzzy_dirlist[i]);
1329 fuzzy_dirlist[i] = NULL;
1332 need_fuzzy_dirlist = 1;
1335 if (!preserve_perms)
1336 dflt_perms = default_perms_for_dir(dn);
1339 parent_dirname = dn;
1341 statret = link_stat(fname, &sx.st, keep_dirlinks && is_dir);
1345 if (missing_args == 2 && file->mode == 0) {
1346 if (filter_list.head && check_filter(&filter_list, FINFO, fname, is_dir) < 0)
1349 delete_item(fname, sx.st.st_mode, del_opts);
1353 if (ignore_non_existing > 0 && statret == -1 && stat_errno == ENOENT) {
1358 file->flags |= FLAG_MISSING_DIR;
1360 #ifdef SUPPORT_HARD_LINKS
1361 else if (F_IS_HLINKED(file))
1362 handle_skipped_hlink(file, itemizing, code, f_out);
1364 if (INFO_GTE(SKIP, 1)) {
1365 rprintf(FINFO, "not creating new %s \"%s\"\n",
1366 is_dir ? "directory" : "file", fname);
1371 if (statret == 0 && !(sx.st.st_mode & S_IWUSR)
1372 && !am_root && sx.st.st_uid == our_uid)
1373 del_opts |= DEL_NO_UID_WRITE;
1376 stype = get_file_type(sx.st.st_mode);
1378 stype = FT_UNSUPPORTED;
1380 if (ignore_existing > 0 && statret == 0
1381 && (!is_dir || stype != FT_DIR)) {
1382 if (INFO_GTE(SKIP, 1) && is_dir >= 0) {
1383 const char *suf = "";
1384 if (INFO_GTE(SKIP, 2)) {
1386 suf = " (type change)";
1387 else if (!quick_check_ok(ftype, fname, file, &sx.st))
1388 suf = always_checksum ? " (sum change)" : " (file change)";
1389 else if (!unchanged_attrs(fname, file, &sx))
1390 suf = " (attr change)";
1392 suf = " (uptodate)";
1394 rprintf(FINFO, "%s exists%s\n", fname, suf);
1396 #ifdef SUPPORT_HARD_LINKS
1397 if (F_IS_HLINKED(file))
1398 handle_skipped_hlink(file, itemizing, code, f_out);
1407 if (!implied_dirs && file->flags & FLAG_IMPLIED_DIR)
1410 /* For --fake-super, the dir must be useable by the copying
1411 * user, just like it would be for root. */
1412 added_perms = S_IRUSR|S_IWUSR|S_IXUSR;
1416 if (!preserve_mtimes || omit_dir_times)
1418 /* In inc_recurse mode we want to make sure any missing
1419 * directories get created while we're still processing
1420 * the parent dir (which allows us to touch the parent
1421 * dir's mtime right away). We will handle the dir in
1422 * full later (right before we handle its contents). */
1425 || delete_item(fname, sx.st.st_mode, del_opts | DEL_FOR_DIR) != 0))
1426 goto cleanup; /* Any errors get reported later. */
1427 if (do_mkdir(fname, (file->mode|added_perms) & 0700) == 0)
1428 file->flags |= FLAG_DIR_CREATED;
1431 /* The file to be received is a directory, so we need
1432 * to prepare appropriately. If there is already a
1433 * file of that name and it is *not* a directory, then
1434 * we need to delete it. If it doesn't exist, then
1435 * (perhaps recursively) create it. */
1436 if (statret == 0 && stype != FT_DIR) {
1437 if (delete_item(fname, sx.st.st_mode, del_opts | DEL_FOR_DIR) != 0)
1438 goto skipping_dir_contents;
1441 if (dry_run && statret != 0) {
1442 if (!dry_missing_dir)
1443 dry_missing_dir = file;
1444 file->flags |= FLAG_MISSING_DIR;
1446 init_stat_x(&real_sx);
1449 if (file->flags & FLAG_DIR_CREATED)
1451 if (!preserve_perms) { /* See comment in non-dir code below. */
1452 file->mode = dest_mode(file->mode, sx.st.st_mode, dflt_perms, statret == 0);
1454 if (statret != 0 && basis_dir[0] != NULL) {
1455 int j = try_dests_non(file, fname, ndx, fnamecmpbuf, &sx, itemizing, code);
1460 } else if (j >= 0) {
1462 fnamecmp = fnamecmpbuf;
1465 if (itemizing && f_out != -1) {
1466 itemize(fnamecmp, file, ndx, statret, &sx,
1467 statret ? ITEM_LOCAL_CHANGE : 0, 0, NULL);
1469 if (real_ret != 0 && do_mkdir(fname,file->mode|added_perms) < 0 && errno != EEXIST) {
1470 if (!relative_paths || errno != ENOENT
1471 || make_path(fname, MKP_DROP_NAME | MKP_SKIP_SLASH) < 0
1472 || (do_mkdir(fname, file->mode|added_perms) < 0 && errno != EEXIST)) {
1473 rsyserr(FERROR_XFER, errno,
1474 "recv_generator: mkdir %s failed",
1476 skipping_dir_contents:
1477 rprintf(FERROR, "*** Skipping any contents from this failed directory ***\n");
1479 file->flags |= FLAG_MISSING_DIR;
1484 #ifdef SUPPORT_XATTRS
1485 if (preserve_xattrs && statret == 1)
1486 copy_xattrs(fnamecmpbuf, fname);
1488 if (set_file_attrs(fname, file, real_ret ? NULL : &real_sx, NULL, 0)
1489 && INFO_GTE(NAME, 1) && code != FNONE && f_out != -1)
1490 rprintf(code, "%s/\n", fname);
1492 /* We need to ensure that the dirs in the transfer have both
1493 * readable and writable permissions during the time we are
1494 * putting files within them. This is then restored to the
1495 * former permissions after the transfer is done. */
1497 if (!am_root && (file->mode & S_IRWXU) != S_IRWXU && dir_tweaking) {
1498 mode_t mode = file->mode | S_IRWXU;
1499 if (do_chmod(fname, mode) < 0) {
1500 rsyserr(FERROR_XFER, errno,
1501 "failed to modify permissions on %s",
1504 need_retouch_dir_perms = 1;
1508 if (real_ret != 0 && one_file_system)
1509 real_sx.st.st_dev = filesystem_dev;
1511 if (one_file_system) {
1512 uint32 *devp = F_DIR_DEV_P(file);
1513 DEV_MAJOR(devp) = major(real_sx.st.st_dev);
1514 DEV_MINOR(devp) = minor(real_sx.st.st_dev);
1517 else if (delete_during && f_out != -1 && !phase
1518 && !(file->flags & FLAG_MISSING_DIR)) {
1519 if (file->flags & FLAG_CONTENT_DIR)
1520 delete_in_dir(fname, file, real_sx.st.st_dev);
1522 change_local_filter_dir(fname, strlen(fname), F_DEPTH(file));
1524 prior_dir_file = file;
1528 /* If we're not preserving permissions, change the file-list's
1529 * mode based on the local permissions and some heuristics. */
1530 if (!preserve_perms) {
1531 int exists = statret == 0 && stype != FT_DIR;
1532 file->mode = dest_mode(file->mode, sx.st.st_mode, dflt_perms, exists);
1535 #ifdef SUPPORT_HARD_LINKS
1536 if (preserve_hard_links && F_HLINK_NOT_FIRST(file)
1537 && hard_link_check(file, ndx, fname, statret, &sx, itemizing, code))
1541 if (preserve_links && ftype == FT_SYMLINK) {
1542 #ifdef SUPPORT_LINKS
1543 const char *sl = F_SYMLINK(file);
1544 if (safe_symlinks && unsafe_symlink(sl, fname)) {
1545 if (INFO_GTE(NAME, 1)) {
1547 /* fname contains the destination path, but we
1548 * want to report the source path. */
1549 fname = f_name(file, NULL);
1552 "ignoring unsafe symlink \"%s\" -> \"%s\"\n",
1558 if (stype == FT_SYMLINK && quick_check_ok(stype, fname, file, &sx.st)) {
1559 /* The link is pointing to the right place. */
1560 set_file_attrs(fname, file, &sx, NULL, maybe_ATTRS_REPORT);
1562 itemize(fname, file, ndx, 0, &sx, 0, 0, NULL);
1563 #ifdef SUPPORT_HARD_LINKS
1564 if (preserve_hard_links && F_IS_HLINKED(file))
1565 finish_hard_link(file, fname, ndx, &sx.st, itemizing, code, -1);
1567 if (remove_source_files == 1)
1568 goto return_with_success;
1571 } else if (basis_dir[0] != NULL) {
1572 int j = try_dests_non(file, fname, ndx, fnamecmpbuf, &sx, itemizing, code);
1574 #ifndef CAN_HARDLINK_SYMLINK
1575 if (alt_dest_type == LINK_DEST) {
1576 /* Resort to --copy-dest behavior. */
1579 if (alt_dest_type != COPY_DEST)
1583 } else if (j >= 0) {
1585 fnamecmp = fnamecmpbuf;
1588 if (atomic_create(file, fname, sl, NULL, MAKEDEV(0, 0), &sx, statret == 0 ? DEL_FOR_SYMLINK : 0)) {
1589 set_file_attrs(fname, file, NULL, NULL, 0);
1591 if (statret == 0 && stype != FT_SYMLINK)
1593 itemize(fnamecmp, file, ndx, statret, &sx,
1594 ITEM_LOCAL_CHANGE|ITEM_REPORT_CHANGE, 0, NULL);
1596 if (code != FNONE && INFO_GTE(NAME, 1))
1597 rprintf(code, "%s -> %s\n", fname, sl);
1598 #ifdef SUPPORT_HARD_LINKS
1599 if (preserve_hard_links && F_IS_HLINKED(file))
1600 finish_hard_link(file, fname, ndx, NULL, itemizing, code, -1);
1602 /* This does not check remove_source_files == 1
1603 * because this is one of the items that the old
1604 * --remove-sent-files option would remove. */
1605 if (remove_source_files)
1606 goto return_with_success;
1612 if ((am_root && preserve_devices && ftype == FT_DEVICE)
1613 || (preserve_specials && ftype == FT_SPECIAL)) {
1616 if (ftype == FT_DEVICE) {
1617 uint32 *devp = F_RDEV_P(file);
1618 rdev = MAKEDEV(DEV_MAJOR(devp), DEV_MINOR(devp));
1619 del_for_flag = DEL_FOR_DEVICE;
1622 del_for_flag = DEL_FOR_SPECIAL;
1627 else if (quick_check_ok(ftype, fname, file, &sx.st)) {
1628 /* The device or special file is identical. */
1629 set_file_attrs(fname, file, &sx, NULL, maybe_ATTRS_REPORT);
1631 itemize(fname, file, ndx, 0, &sx, 0, 0, NULL);
1632 #ifdef SUPPORT_HARD_LINKS
1633 if (preserve_hard_links && F_IS_HLINKED(file))
1634 finish_hard_link(file, fname, ndx, &sx.st, itemizing, code, -1);
1636 if (remove_source_files == 1)
1637 goto return_with_success;
1640 } else if (basis_dir[0] != NULL) {
1641 int j = try_dests_non(file, fname, ndx, fnamecmpbuf, &sx, itemizing, code);
1643 #ifndef CAN_HARDLINK_SPECIAL
1644 if (alt_dest_type == LINK_DEST) {
1645 /* Resort to --copy-dest behavior. */
1648 if (alt_dest_type != COPY_DEST)
1652 } else if (j >= 0) {
1654 fnamecmp = fnamecmpbuf;
1657 if (DEBUG_GTE(GENR, 1)) {
1658 rprintf(FINFO, "mknod(%s, 0%o, [%ld,%ld])\n",
1659 fname, (int)file->mode,
1660 (long)major(rdev), (long)minor(rdev));
1662 if (atomic_create(file, fname, NULL, NULL, rdev, &sx, del_for_flag)) {
1663 set_file_attrs(fname, file, NULL, NULL, 0);
1665 itemize(fnamecmp, file, ndx, statret, &sx,
1666 ITEM_LOCAL_CHANGE|ITEM_REPORT_CHANGE, 0, NULL);
1668 if (code != FNONE && INFO_GTE(NAME, 1))
1669 rprintf(code, "%s\n", fname);
1670 #ifdef SUPPORT_HARD_LINKS
1671 if (preserve_hard_links && F_IS_HLINKED(file))
1672 finish_hard_link(file, fname, ndx, NULL, itemizing, code, -1);
1674 if (remove_source_files == 1)
1675 goto return_with_success;
1680 if (ftype != FT_REG) {
1681 if (INFO_GTE(NONREG, 1)) {
1683 fname = f_name(file, NULL);
1684 rprintf(FINFO, "skipping non-regular file \"%s\"\n", fname);
1689 if (max_size >= 0 && F_LENGTH(file) > max_size) {
1690 if (INFO_GTE(SKIP, 1)) {
1692 fname = f_name(file, NULL);
1693 rprintf(FINFO, "%s is over max-size\n", fname);
1697 if (min_size >= 0 && F_LENGTH(file) < min_size) {
1698 if (INFO_GTE(SKIP, 1)) {
1700 fname = f_name(file, NULL);
1701 rprintf(FINFO, "%s is under min-size\n", fname);
1706 if (update_only > 0 && statret == 0 && file->modtime - sx.st.st_mtime < modify_window) {
1707 if (INFO_GTE(SKIP, 1))
1708 rprintf(FINFO, "%s is newer\n", fname);
1709 #ifdef SUPPORT_HARD_LINKS
1710 if (F_IS_HLINKED(file))
1711 handle_skipped_hlink(file, itemizing, code, f_out);
1716 fnamecmp_type = FNAMECMP_FNAME;
1718 if (statret == 0 && !(stype == FT_REG || (write_devices && stype == FT_DEVICE))) {
1719 if (delete_item(fname, sx.st.st_mode, del_opts | DEL_FOR_FILE) != 0)
1722 stat_errno = ENOENT;
1725 if (basis_dir[0] != NULL && (statret != 0 || alt_dest_type != COPY_DEST)) {
1726 int j = try_dests_reg(file, fname, ndx, fnamecmpbuf, &sx, statret == 0, itemizing, code);
1728 if (remove_source_files == 1)
1729 goto return_with_success;
1733 fnamecmp = fnamecmpbuf;
1739 init_stat_x(&real_sx);
1740 real_sx.st = sx.st; /* Don't copy xattr/acl pointers, as they would free wrong. */
1743 if (partial_dir && (partialptr = partial_dir_fname(fname)) != NULL
1744 && link_stat(partialptr, &partial_st, 0) == 0
1745 && S_ISREG(partial_st.st_mode)) {
1747 goto prepare_to_open;
1751 if (statret != 0 && fuzzy_basis) {
1752 if (need_fuzzy_dirlist) {
1753 const char *dn = file->dirname ? file->dirname : ".";
1755 strlcpy(fnamecmpbuf, dn, sizeof fnamecmpbuf);
1756 for (i = 0; i < fuzzy_basis; i++) {
1757 if (i && pathjoin(fnamecmpbuf, MAXPATHLEN, basis_dir[i-1], dn) >= MAXPATHLEN)
1759 fuzzy_dirlist[i] = get_dirlist(fnamecmpbuf, -1, GDL_IGNORE_FILTER_RULES | GDL_PERHAPS_DIR);
1760 if (fuzzy_dirlist[i] && fuzzy_dirlist[i]->used == 0) {
1761 flist_free(fuzzy_dirlist[i]);
1762 fuzzy_dirlist[i] = NULL;
1765 need_fuzzy_dirlist = 0;
1768 /* Sets fnamecmp_type to FNAMECMP_FUZZY or above. */
1769 fuzzy_file = find_fuzzy(file, fuzzy_dirlist, &fnamecmp_type);
1771 f_name(fuzzy_file, fnamecmpbuf);
1772 if (DEBUG_GTE(FUZZY, 1)) {
1773 rprintf(FINFO, "fuzzy basis selected for %s: %s\n",
1774 fname, fnamecmpbuf);
1776 sx.st.st_size = F_LENGTH(fuzzy_file);
1778 fnamecmp = fnamecmpbuf;
1783 #ifdef SUPPORT_HARD_LINKS
1784 if (preserve_hard_links && F_HLINK_NOT_LAST(file)) {
1785 cur_flist->in_progress++;
1789 if (stat_errno == ENOENT)
1791 rsyserr(FERROR_XFER, stat_errno, "recv_generator: failed to stat %s",
1796 if (write_devices && IS_DEVICE(sx.st.st_mode) && sx.st.st_size == 0) {
1797 /* This early open into fd skips the regular open below. */
1798 if ((fd = do_open(fnamecmp, O_RDONLY, 0)) >= 0)
1799 real_sx.st.st_size = sx.st.st_size = get_device_size(fd, fnamecmp);
1802 if (fnamecmp_type <= FNAMECMP_BASIS_DIR_HIGH)
1804 else if (fnamecmp_type >= FNAMECMP_FUZZY)
1806 else if (quick_check_ok(FT_REG, fnamecmp, file, &sx.st)) {
1808 do_unlink(partialptr);
1809 handle_partial_dir(partialptr, PDIR_DELETE);
1811 set_file_attrs(fname, file, &sx, NULL, maybe_ATTRS_REPORT | maybe_ATTRS_ACCURATE_TIME);
1813 itemize(fnamecmp, file, ndx, statret, &sx, 0, 0, NULL);
1814 #ifdef SUPPORT_HARD_LINKS
1815 if (preserve_hard_links && F_IS_HLINKED(file))
1816 finish_hard_link(file, fname, ndx, &sx.st, itemizing, code, -1);
1818 if (remove_source_files != 1)
1820 return_with_success:
1822 send_msg_success(fname, ndx);
1826 if (append_mode > 0 && sx.st.st_size >= F_LENGTH(file)) {
1827 #ifdef SUPPORT_HARD_LINKS
1828 if (F_IS_HLINKED(file))
1829 handle_skipped_hlink(file, itemizing, code, f_out);
1837 fnamecmp = partialptr;
1838 fnamecmp_type = FNAMECMP_PARTIAL_DIR;
1845 if (read_batch || whole_file) {
1846 if (inplace && make_backups > 0 && fnamecmp_type == FNAMECMP_FNAME) {
1847 if (!(backupptr = get_backup_name(fname)))
1849 if (!(back_file = make_file(fname, NULL, NULL, 0, NO_FILTERS)))
1850 goto pretend_missing;
1851 if (copy_file(fname, backupptr, -1, back_file->mode) < 0) {
1852 unmake_file(back_file);
1860 if (fuzzy_dirlist[0]) {
1861 int j = flist_find(fuzzy_dirlist[0], file);
1862 if (j >= 0) /* don't use changing file as future fuzzy basis */
1863 fuzzy_dirlist[0]->files[j]->flags |= FLAG_FILE_SENT;
1867 if (fd < 0 && (fd = do_open(fnamecmp, O_RDONLY, 0)) < 0) {
1868 rsyserr(FERROR, errno, "failed to open %s, continuing",
1869 full_fname(fnamecmp));
1871 /* pretend the file didn't exist */
1872 #ifdef SUPPORT_HARD_LINKS
1873 if (preserve_hard_links && F_HLINK_NOT_LAST(file)) {
1874 cur_flist->in_progress++;
1878 statret = real_ret = -1;
1882 if (inplace && make_backups > 0 && fnamecmp_type == FNAMECMP_FNAME) {
1883 if (!(backupptr = get_backup_name(fname))) {
1886 if (!(back_file = make_file(fname, NULL, NULL, 0, NO_FILTERS))) {
1887 goto pretend_missing;
1889 if (robust_unlink(backupptr) && errno != ENOENT) {
1890 rsyserr(FERROR_XFER, errno, "unlink %s",
1891 full_fname(backupptr));
1892 unmake_file(back_file);
1896 if ((f_copy = do_open(backupptr, O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0600)) < 0) {
1897 rsyserr(FERROR_XFER, errno, "open %s", full_fname(backupptr));
1898 unmake_file(back_file);
1902 fnamecmp_type = FNAMECMP_BACKUP;
1905 if (DEBUG_GTE(DELTASUM, 3)) {
1906 rprintf(FINFO, "gen mapped %s of size %s\n",
1907 fnamecmp, big_num(sx.st.st_size));
1910 if (DEBUG_GTE(DELTASUM, 2))
1911 rprintf(FINFO, "generating and sending sums for %d\n", ndx);
1914 if (remove_source_files && !delay_updates && !phase && !dry_run)
1915 increment_active_files(ndx, itemizing, code);
1916 if (inc_recurse && (!dry_run || write_batch < 0))
1917 cur_flist->in_progress++;
1918 #ifdef SUPPORT_HARD_LINKS
1919 if (preserve_hard_links && F_IS_HLINKED(file))
1920 file->flags |= FLAG_FILE_SENT;
1922 write_ndx(f_out, ndx);
1924 int iflags = ITEM_TRANSFER;
1925 if (always_checksum > 0)
1926 iflags |= ITEM_REPORT_CHANGE;
1927 if (fnamecmp_type != FNAMECMP_FNAME)
1928 iflags |= ITEM_BASIS_TYPE_FOLLOWS;
1929 if (fnamecmp_type >= FNAMECMP_FUZZY)
1930 iflags |= ITEM_XNAME_FOLLOWS;
1931 itemize(fnamecmp, file, -1, real_ret, &real_sx, iflags, fnamecmp_type,
1932 fuzzy_file ? fuzzy_file->basename : NULL);
1933 free_stat_x(&real_sx);
1937 #ifdef SUPPORT_HARD_LINKS
1938 if (preserve_hard_links && F_IS_HLINKED(file))
1939 finish_hard_link(file, fname, ndx, &sx.st, itemizing, code, -1);
1946 if (statret != 0 || whole_file)
1947 write_sum_head(f_out, NULL);
1948 else if (sx.st.st_size <= 0) {
1949 write_sum_head(f_out, NULL);
1951 if (generate_and_send_sums(fd, sx.st.st_size, f_out, f_copy) < 0) {
1953 "WARNING: file is too large for checksum sending: %s\n",
1955 write_sum_head(f_out, NULL);
1963 int save_preserve_xattrs = preserve_xattrs;
1966 #ifdef SUPPORT_XATTRS
1967 if (preserve_xattrs) {
1968 copy_xattrs(fname, backupptr);
1969 preserve_xattrs = 0;
1972 set_file_attrs(backupptr, back_file, NULL, NULL, 0);
1973 preserve_xattrs = save_preserve_xattrs;
1974 if (INFO_GTE(BACKUP, 1)) {
1975 rprintf(FINFO, "backed up %s to %s\n",
1978 unmake_file(back_file);
1984 /* If we are replacing an existing hard link, symlink, device, or special file,
1985 * create a temp-name item and rename it into place. A symlimk specifies slnk,
1986 * a hard link specifies hlnk, otherwise we create a device based on rdev.
1987 * Specify 0 for the del_for_flag if there is not a file to replace. This
1988 * returns 1 on success and 0 on failure. */
1989 int atomic_create(struct file_struct *file, char *fname, const char *slnk, const char *hlnk,
1990 dev_t rdev, stat_x *sxp, int del_for_flag)
1992 char tmpname[MAXPATHLEN];
1993 const char *create_name;
1994 int skip_atomic, dir_in_the_way = del_for_flag && S_ISDIR(sxp->st.st_mode);
1996 if (!del_for_flag || dir_in_the_way || tmpdir || !get_tmpname(tmpname, fname, True))
2002 if (make_backups > 0 && !dir_in_the_way) {
2003 if (!make_backup(fname, skip_atomic))
2005 } else if (skip_atomic) {
2006 int del_opts = delete_mode || force_delete ? DEL_RECURSE : 0;
2007 if (delete_item(fname, sxp->st.st_mode, del_opts | del_for_flag) != 0)
2012 create_name = skip_atomic ? fname : tmpname;
2015 #ifdef SUPPORT_LINKS
2016 if (do_symlink(slnk, create_name) < 0) {
2017 rsyserr(FERROR_XFER, errno, "symlink %s -> \"%s\" failed",
2018 full_fname(create_name), slnk);
2025 #ifdef SUPPORT_HARD_LINKS
2026 if (!hard_link_one(file, create_name, hlnk, 0))
2032 if (do_mknod(create_name, file->mode, rdev) < 0) {
2033 rsyserr(FERROR_XFER, errno, "mknod %s failed",
2034 full_fname(create_name));
2040 if (do_rename(tmpname, fname) < 0) {
2041 rsyserr(FERROR_XFER, errno, "rename %s -> \"%s\" failed",
2042 full_fname(tmpname), full_fname(fname));
2051 #ifdef SUPPORT_HARD_LINKS
2052 static void handle_skipped_hlink(struct file_struct *file, int itemizing,
2053 enum logcode code, int f_out)
2055 char fbuf[MAXPATHLEN];
2057 struct file_list *save_flist = cur_flist;
2059 /* If we skip the last item in a chain of links and there was a
2060 * prior non-skipped hard-link waiting to finish, finish it now. */
2061 if ((new_last_ndx = skip_hard_link(file, &cur_flist)) < 0)
2064 file = cur_flist->files[new_last_ndx - cur_flist->ndx_start];
2065 cur_flist->in_progress--; /* undo prior increment */
2067 recv_generator(fbuf, file, new_last_ndx, itemizing, code, f_out);
2069 cur_flist = save_flist;
2073 static void touch_up_dirs(struct file_list *flist, int ndx)
2075 static int counter = 0;
2076 struct file_struct *file;
2083 end = flist->used - 1;
2087 /* Fix any directory permissions that were modified during the
2088 * transfer and/or re-set any tweaked modified-time values. */
2089 for (i = start; i <= end; i++, counter++) {
2090 file = flist->files[i];
2091 if (!F_IS_ACTIVE(file))
2093 if (!S_ISDIR(file->mode)
2094 || (!implied_dirs && file->flags & FLAG_IMPLIED_DIR))
2096 if (DEBUG_GTE(TIME, 2)) {
2097 fname = f_name(file, NULL);
2098 rprintf(FINFO, "touch_up_dirs: %s (%d)\n",
2101 /* Be sure not to retouch permissions with --fake-super. */
2102 fix_dir_perms = !am_root && !(file->mode & S_IWUSR);
2103 if (file->flags & FLAG_MISSING_DIR || !(need_retouch_dir_times || fix_dir_perms))
2105 fname = f_name(file, NULL);
2107 do_chmod(fname, file->mode);
2108 if (need_retouch_dir_times) {
2110 if (link_stat(fname, &st, 0) == 0 && mtime_differs(&st, file)) {
2111 st.st_mtime = file->modtime;
2112 #ifdef ST_MTIME_NSEC
2113 st.ST_MTIME_NSEC = F_MOD_NSEC_or_0(file);
2115 set_times(fname, &st);
2118 if (counter >= loopchk_limit) {
2120 maybe_send_keepalive(time(NULL), MSK_ALLOW_FLUSH);
2122 maybe_flush_socket(0);
2128 void check_for_finished_files(int itemizing, enum logcode code, int check_redo)
2130 struct file_struct *file;
2131 struct file_list *flist;
2132 char fbuf[MAXPATHLEN];
2136 #ifdef SUPPORT_HARD_LINKS
2137 if (preserve_hard_links && (ndx = get_hlink_num()) != -1) {
2138 int send_failed = (ndx == -2);
2140 ndx = get_hlink_num();
2141 flist = flist_for_ndx(ndx, "check_for_finished_files.1");
2142 file = flist->files[ndx - flist->ndx_start];
2143 assert(file->flags & FLAG_HLINKED);
2145 handle_skipped_hlink(file, itemizing, code, sock_f_out);
2147 finish_hard_link(file, f_name(file, fbuf), ndx, NULL, itemizing, code, -1);
2148 flist->in_progress--;
2153 if (check_redo && (ndx = get_redo_num()) != -1) {
2154 OFF_T save_max_size = max_size;
2155 OFF_T save_min_size = min_size;
2156 csum_length = SUM_LENGTH;
2159 ignore_existing = -ignore_existing;
2160 ignore_non_existing = -ignore_non_existing;
2161 update_only = -update_only;
2162 always_checksum = -always_checksum;
2163 size_only = -size_only;
2164 append_mode = -append_mode;
2165 make_backups = -make_backups; /* avoid dup backup w/inplace */
2169 cur_flist = flist_for_ndx(ndx, "check_for_finished_files.2");
2171 file = cur_flist->files[ndx - cur_flist->ndx_start];
2173 strlcpy(fbuf, solo_file, sizeof fbuf);
2176 recv_generator(fbuf, file, ndx, itemizing, code, sock_f_out);
2177 cur_flist->to_redo--;
2181 csum_length = SHORT_SUM_LENGTH;
2182 max_size = save_max_size;
2183 min_size = save_min_size;
2184 ignore_existing = -ignore_existing;
2185 ignore_non_existing = -ignore_non_existing;
2186 update_only = -update_only;
2187 always_checksum = -always_checksum;
2188 size_only = -size_only;
2189 append_mode = -append_mode;
2190 make_backups = -make_backups;
2195 if (cur_flist == first_flist)
2198 /* We only get here if inc_recurse is enabled. */
2199 if (first_flist->in_progress || first_flist->to_redo)
2202 write_ndx(sock_f_out, NDX_DONE);
2203 if (!read_batch && !flist_eof) {
2205 for (flist = first_flist; flist != cur_flist; flist = flist->next)
2206 old_total += flist->used;
2207 maybe_flush_socket(!flist_eof && file_total - old_total < MIN_FILECNT_LOOKAHEAD/2);
2210 if (delete_during == 2 || !dir_tweaking) {
2211 /* Skip directory touch-up. */
2212 } else if (first_flist->parent_ndx >= 0)
2213 touch_up_dirs(dir_flist, first_flist->parent_ndx);
2215 flist_free(first_flist); /* updates first_flist */
2219 void generate_files(int f_out, const char *local_name)
2221 int i, ndx, next_loopchk = 0;
2222 char fbuf[MAXPATHLEN];
2225 int save_info_flist = info_levels[INFO_FLIST];
2226 int save_info_progress = info_levels[INFO_PROGRESS];
2228 if (protocol_version >= 29) {
2230 maybe_ATTRS_REPORT = stdout_format_has_i ? 0 : ATTRS_REPORT;
2231 code = logfile_format_has_i ? FNONE : FLOG;
2232 } else if (am_daemon) {
2233 itemizing = logfile_format_has_i && do_xfers;
2234 maybe_ATTRS_REPORT = ATTRS_REPORT;
2235 code = itemizing || !do_xfers ? FCLIENT : FINFO;
2236 } else if (!am_server) {
2237 itemizing = stdout_format_has_i;
2238 maybe_ATTRS_REPORT = stdout_format_has_i ? 0 : ATTRS_REPORT;
2239 code = itemizing ? FNONE : FINFO;
2242 maybe_ATTRS_REPORT = ATTRS_REPORT;
2245 solo_file = local_name;
2246 dir_tweaking = !(list_only || solo_file || dry_run);
2247 need_retouch_dir_times = preserve_mtimes && !omit_dir_times;
2248 loopchk_limit = allowed_lull ? allowed_lull * 5 : 200;
2249 symlink_timeset_failed_flags = ITEM_REPORT_TIME
2250 | (protocol_version >= 30 || !am_server ? ITEM_REPORT_TIMEFAIL : 0);
2251 implied_dirs_are_missing = relative_paths && !implied_dirs && protocol_version < 30;
2253 if (DEBUG_GTE(GENR, 1))
2254 rprintf(FINFO, "generator starting pid=%d\n", (int)getpid());
2256 if (delete_before && !solo_file && cur_flist->used > 0)
2258 if (delete_during == 2) {
2259 deldelay_size = BIGPATHBUFLEN * 4;
2260 deldelay_buf = new_array(char, deldelay_size);
2262 info_levels[INFO_FLIST] = info_levels[INFO_PROGRESS] = 0;
2264 if (append_mode > 0 || whole_file < 0)
2266 if (DEBUG_GTE(FLIST, 1)) {
2267 rprintf(FINFO, "delta-transmission %s\n",
2269 ? "disabled for local transfer or --whole-file"
2273 dflt_perms = (ACCESSPERMS & ~orig_umask);
2276 #ifdef SUPPORT_HARD_LINKS
2277 if (preserve_hard_links && inc_recurse) {
2278 while (!flist_eof && file_total < MIN_FILECNT_LOOKAHEAD/2)
2279 wait_for_receiver();
2283 if (inc_recurse && cur_flist->parent_ndx >= 0) {
2284 struct file_struct *fp = dir_flist->files[cur_flist->parent_ndx];
2286 strlcpy(fbuf, solo_file, sizeof fbuf);
2289 ndx = cur_flist->ndx_start - 1;
2290 recv_generator(fbuf, fp, ndx, itemizing, code, f_out);
2291 if (delete_during && dry_run < 2 && !list_only
2292 && !(fp->flags & FLAG_MISSING_DIR)) {
2293 if (fp->flags & FLAG_CONTENT_DIR) {
2295 if (one_file_system) {
2296 uint32 *devp = F_DIR_DEV_P(fp);
2297 dirdev = MAKEDEV(DEV_MAJOR(devp), DEV_MINOR(devp));
2299 dirdev = MAKEDEV(0, 0);
2300 delete_in_dir(fbuf, fp, dirdev);
2302 change_local_filter_dir(fbuf, strlen(fbuf), F_DEPTH(fp));
2305 for (i = cur_flist->low; i <= cur_flist->high; i++) {
2306 struct file_struct *file = cur_flist->sorted[i];
2308 if (!F_IS_ACTIVE(file))
2314 ndx = i + cur_flist->ndx_start;
2317 strlcpy(fbuf, solo_file, sizeof fbuf);
2320 recv_generator(fbuf, file, ndx, itemizing, code, f_out);
2322 check_for_finished_files(itemizing, code, 0);
2324 if (i + cur_flist->ndx_start >= next_loopchk) {
2326 maybe_send_keepalive(time(NULL), MSK_ALLOW_FLUSH);
2328 maybe_flush_socket(0);
2329 next_loopchk += loopchk_limit;
2334 write_ndx(f_out, NDX_DONE);
2339 check_for_finished_files(itemizing, code, 1);
2340 if (cur_flist->next || flist_eof)
2342 wait_for_receiver();
2344 } while ((cur_flist = cur_flist->next) != NULL);
2347 delete_in_dir(NULL, NULL, dev_zero);
2349 if (DEBUG_GTE(GENR, 1))
2350 rprintf(FINFO, "generate_files phase=%d\n", phase);
2353 check_for_finished_files(itemizing, code, 1);
2356 wait_for_receiver();
2360 if (DEBUG_GTE(GENR, 1))
2361 rprintf(FINFO, "generate_files phase=%d\n", phase);
2363 write_ndx(f_out, NDX_DONE);
2365 /* Reduce round-trip lag-time for a useless delay-updates phase. */
2366 if (protocol_version >= 29 && EARLY_DELAY_DONE_MSG())
2367 write_ndx(f_out, NDX_DONE);
2369 if (protocol_version >= 31 && EARLY_DELETE_DONE_MSG()) {
2370 if ((INFO_GTE(STATS, 2) && (delete_mode || force_delete)) || read_batch)
2371 write_del_stats(f_out);
2372 if (EARLY_DELAY_DONE_MSG()) /* Can't send this before delay */
2373 write_ndx(f_out, NDX_DONE);
2376 /* Read MSG_DONE for the redo phase (and any prior messages). */
2378 check_for_finished_files(itemizing, code, 0);
2379 if (msgdone_cnt > 1)
2381 wait_for_receiver();
2384 if (protocol_version >= 29) {
2386 if (DEBUG_GTE(GENR, 1))
2387 rprintf(FINFO, "generate_files phase=%d\n", phase);
2388 if (!EARLY_DELAY_DONE_MSG()) {
2389 write_ndx(f_out, NDX_DONE);
2390 if (protocol_version >= 31 && EARLY_DELETE_DONE_MSG())
2391 write_ndx(f_out, NDX_DONE);
2393 /* Read MSG_DONE for delay-updates phase & prior messages. */
2394 while (msgdone_cnt == 2)
2395 wait_for_receiver();
2398 info_levels[INFO_FLIST] = save_info_flist;
2399 info_levels[INFO_PROGRESS] = save_info_progress;
2401 if (delete_during == 2)
2402 do_delayed_deletions(fbuf);
2403 if (delete_after && !solo_file && file_total > 0)
2406 if (max_delete >= 0 && skipped_deletes) {
2408 "Deletions stopped due to --max-delete limit (%d skipped)\n",
2410 io_error |= IOERR_DEL_LIMIT;
2413 if (protocol_version >= 31) {
2414 if (!EARLY_DELETE_DONE_MSG()) {
2415 if (INFO_GTE(STATS, 2) || read_batch)
2416 write_del_stats(f_out);
2417 write_ndx(f_out, NDX_DONE);
2420 /* Read MSG_DONE for late-delete phase & prior messages. */
2421 while (msgdone_cnt == 3)
2422 wait_for_receiver();
2425 if ((need_retouch_dir_perms || need_retouch_dir_times)
2426 && dir_tweaking && (!inc_recurse || delete_during == 2))
2427 touch_up_dirs(dir_flist, -1);
2429 if (DEBUG_GTE(GENR, 1))
2430 rprintf(FINFO, "generate_files finished\n");