2 * Generate and receive file lists.
4 * Copyright (C) 1996 Andrew Tridgell
5 * Copyright (C) 1996 Paul Mackerras
6 * Copyright (C) 2001, 2002 Martin Pool <mbp@samba.org>
7 * Copyright (C) 2002, 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.
32 extern int do_progress;
33 extern int always_checksum;
35 extern int ignore_errors;
36 extern int numeric_ids;
39 extern int filesfrom_fd;
40 extern int one_file_system;
41 extern int copy_dirlinks;
42 extern int keep_dirlinks;
43 extern int preserve_links;
44 extern int preserve_hard_links;
45 extern int preserve_devices;
46 extern int preserve_specials;
47 extern int preserve_uid;
48 extern int preserve_gid;
49 extern int relative_paths;
50 extern int implied_dirs;
51 extern int flist_extra_cnt;
52 extern int ignore_perishable;
53 extern int non_perishable_cnt;
54 extern int prune_empty_dirs;
55 extern int copy_links;
56 extern int copy_unsafe_links;
57 extern int protocol_version;
58 extern int sanitize_paths;
59 extern struct stats stats;
60 extern struct file_list *the_file_list;
61 extern alloc_pool_t hlink_pool;
63 extern char curr_dir[MAXPATHLEN];
65 extern struct chmod_mode_struct *chmod_modes;
67 extern struct filter_list_struct filter_list;
68 extern struct filter_list_struct server_filter_list;
72 dev_t filesystem_dev; /* used to implement -x */
74 /* The tmp_* vars are used as a cache area by make_file() to store data
75 * that the sender doesn't need to remember in its file list. The data
76 * will survive just long enough to be used by send_file_entry(). */
77 static dev_t tmp_rdev;
78 #ifdef SUPPORT_HARD_LINKS
79 static struct idev tmp_idev;
81 static char tmp_sum[MD4_SUM_LENGTH];
83 static char empty_sum[MD4_SUM_LENGTH];
84 static int flist_count_offset;
86 static void clean_flist(struct file_list *flist, int strip_root, int no_dups);
87 static void output_flist(struct file_list *flist);
92 rprintf(FINFO, "FILE_STRUCT_LEN=%d, EXTRA_LEN=%d\n",
93 FILE_STRUCT_LEN, EXTRA_LEN);
95 checksum_len = protocol_version < 21 ? 2 : MD4_SUM_LENGTH;
98 static int show_filelist_p(void)
100 return verbose && xfer_dirs && !am_server;
103 static void start_filelist_progress(char *kind)
105 rprintf(FCLIENT, "%s ... ", kind);
106 if (verbose > 1 || do_progress)
107 rprintf(FCLIENT, "\n");
111 static void emit_filelist_progress(int count)
113 rprintf(FCLIENT, " %d files...\r", count);
116 static void maybe_emit_filelist_progress(int count)
118 if (do_progress && show_filelist_p() && (count % 100) == 0)
119 emit_filelist_progress(count);
122 static void finish_filelist_progress(const struct file_list *flist)
125 /* This overwrites the progress line */
126 rprintf(FINFO, "%d file%sto consider\n",
127 flist->count, flist->count == 1 ? " " : "s ");
129 rprintf(FINFO, "done\n");
132 void show_flist_stats(void)
137 static void list_file_entry(struct file_struct *f)
139 char permbuf[PERMSTRING_SIZE];
142 if (!F_IS_ACTIVE(f)) {
143 /* this can happen if duplicate names were removed */
147 permstring(permbuf, f->mode);
151 if (preserve_links && S_ISLNK(f->mode)) {
152 rprintf(FINFO, "%s %11.0f %s %s -> %s\n",
153 permbuf, len, timestring(f->modtime),
154 f_name(f, NULL), F_SYMLINK(f));
158 rprintf(FINFO, "%s %11.0f %s %s\n",
159 permbuf, len, timestring(f->modtime),
164 /* Stat either a symlink or its referent, depending on the settings of
165 * copy_links, copy_unsafe_links, etc. Returns -1 on error, 0 on success.
167 * If path is the name of a symlink, then the linkbuf buffer (which must hold
168 * MAXPATHLEN chars) will be set to the symlink's target string.
170 * The stat structure pointed to by stp will contain information about the
171 * link or the referent as appropriate, if they exist. */
172 static int readlink_stat(const char *path, STRUCT_STAT *stp, char *linkbuf)
175 if (link_stat(path, stp, copy_dirlinks) < 0)
177 if (S_ISLNK(stp->st_mode)) {
178 int llen = readlink(path, linkbuf, MAXPATHLEN - 1);
181 linkbuf[llen] = '\0';
182 if (copy_unsafe_links && unsafe_symlink(linkbuf, path)) {
184 rprintf(FINFO,"copying unsafe symlink \"%s\" -> \"%s\"\n",
187 return do_stat(path, stp);
192 return do_stat(path, stp);
196 int link_stat(const char *path, STRUCT_STAT *stp, int follow_dirlinks)
200 return do_stat(path, stp);
201 if (do_lstat(path, stp) < 0)
203 if (follow_dirlinks && S_ISLNK(stp->st_mode)) {
205 if (do_stat(path, &st) == 0 && S_ISDIR(st.st_mode))
210 return do_stat(path, stp);
214 /* This function is used to check if a file should be included/excluded
215 * from the list of files based on its name and type etc. The value of
216 * filter_level is set to either SERVER_FILTERS or ALL_FILTERS. */
217 static int is_excluded(char *fname, int is_dir, int filter_level)
219 #if 0 /* This currently never happens, so avoid a useless compare. */
220 if (filter_level == NO_FILTERS)
224 /* never exclude '.', even if somebody does --exclude '*' */
225 if (fname[0] == '.' && !fname[1])
227 /* Handle the -R version of the '.' dir. */
228 if (fname[0] == '/') {
229 int len = strlen(fname);
230 if (fname[len-1] == '.' && fname[len-2] == '/')
234 if (server_filter_list.head
235 && check_filter(&server_filter_list, fname, is_dir) < 0)
237 if (filter_level != ALL_FILTERS)
240 && check_filter(&filter_list, fname, is_dir) < 0)
245 static int to_wire_mode(mode_t mode)
248 #if _S_IFLNK != 0120000
250 return (mode & ~(_S_IFMT)) | 0120000;
256 static mode_t from_wire_mode(int mode)
258 #if _S_IFLNK != 0120000
259 if ((mode & (_S_IFMT)) == 0120000)
260 return (mode & ~(_S_IFMT)) | _S_IFLNK;
265 static void send_directory(int f, struct file_list *flist,
266 char *fbuf, int len);
268 static const char *flist_dir;
269 static int flist_dir_len;
273 * Make sure @p flist is big enough to hold at least @p flist->count
276 void flist_expand(struct file_list *flist)
278 struct file_struct **new_ptr;
280 if (flist->count < flist->malloced)
283 if (flist->malloced < FLIST_START)
284 flist->malloced = FLIST_START;
285 else if (flist->malloced >= FLIST_LINEAR)
286 flist->malloced += FLIST_LINEAR;
288 flist->malloced *= 2;
291 * In case count jumped or we are starting the list
292 * with a known size just set it.
294 if (flist->malloced < flist->count)
295 flist->malloced = flist->count;
297 new_ptr = realloc_array(flist->files, struct file_struct *,
300 if (verbose >= 2 && flist->malloced != FLIST_START) {
301 rprintf(FCLIENT, "[%s] expand file_list to %.0f bytes, did%s move\n",
303 (double)sizeof flist->files[0] * flist->malloced,
304 (new_ptr == flist->files) ? " not" : "");
307 flist->files = new_ptr;
310 out_of_memory("flist_expand");
313 static void send_file_entry(struct file_struct *file, int f)
315 unsigned short flags;
316 static time_t modtime;
320 static uint32 rdev_major;
323 static char lastname[MAXPATHLEN];
324 char fname[MAXPATHLEN];
332 modtime = 0, mode = 0;
333 dev = 0, rdev = MAKEDEV(0, 0);
342 flags = file->flags & FLAG_TOP_DIR; /* FLAG_TOP_DIR == XMIT_TOP_DIR */
344 if (file->mode == mode)
345 flags |= XMIT_SAME_MODE;
348 if ((preserve_devices && IS_DEVICE(mode))
349 || (preserve_specials && IS_SPECIAL(mode))) {
350 if (protocol_version < 28) {
351 if (tmp_rdev == rdev)
352 flags |= XMIT_SAME_RDEV_pre28;
357 if ((uint32)major(rdev) == rdev_major)
358 flags |= XMIT_SAME_RDEV_MAJOR;
360 rdev_major = major(rdev);
361 if ((uint32)minor(rdev) <= 0xFFu)
362 flags |= XMIT_RDEV_MINOR_IS_SMALL;
364 } else if (protocol_version < 28)
365 rdev = MAKEDEV(0, 0);
367 if (F_UID(file) == uid)
368 flags |= XMIT_SAME_UID;
373 if (F_GID(file) == gid)
374 flags |= XMIT_SAME_GID;
378 if (file->modtime == modtime)
379 flags |= XMIT_SAME_TIME;
381 modtime = file->modtime;
383 #ifdef SUPPORT_HARD_LINKS
384 if (tmp_idev.dev != 0) {
385 if (tmp_idev.dev == dev) {
386 if (protocol_version >= 28)
387 flags |= XMIT_SAME_DEV;
390 flags |= XMIT_HAS_IDEV_DATA;
395 lastname[l1] && (fname[l1] == lastname[l1]) && (l1 < 255);
397 l2 = strlen(fname+l1);
400 flags |= XMIT_SAME_NAME;
402 flags |= XMIT_LONG_NAME;
404 /* We must make sure we don't send a zero flag byte or the
405 * other end will terminate the flist transfer. Note that
406 * the use of XMIT_TOP_DIR on a non-dir has no meaning, so
407 * it's harmless way to add a bit to the first flag byte. */
408 if (protocol_version >= 28) {
409 if (!flags && !S_ISDIR(mode))
410 flags |= XMIT_TOP_DIR;
411 if ((flags & 0xFF00) || !flags) {
412 flags |= XMIT_EXTENDED_FLAGS;
413 write_shortint(f, flags);
415 write_byte(f, flags);
418 flags |= S_ISDIR(mode) ? XMIT_LONG_NAME : XMIT_TOP_DIR;
419 write_byte(f, flags);
421 if (flags & XMIT_SAME_NAME)
423 if (flags & XMIT_LONG_NAME)
427 write_buf(f, fname + l1, l2);
429 write_longint(f, F_LENGTH(file));
430 if (!(flags & XMIT_SAME_TIME))
431 write_int(f, modtime);
432 if (!(flags & XMIT_SAME_MODE))
433 write_int(f, to_wire_mode(mode));
434 if (preserve_uid && !(flags & XMIT_SAME_UID)) {
439 if (preserve_gid && !(flags & XMIT_SAME_GID)) {
444 if ((preserve_devices && IS_DEVICE(mode))
445 || (preserve_specials && IS_SPECIAL(mode))) {
446 if (protocol_version < 28) {
447 if (!(flags & XMIT_SAME_RDEV_pre28))
448 write_int(f, (int)rdev);
450 if (!(flags & XMIT_SAME_RDEV_MAJOR))
451 write_int(f, major(rdev));
452 if (flags & XMIT_RDEV_MINOR_IS_SMALL)
453 write_byte(f, minor(rdev));
455 write_int(f, minor(rdev));
460 if (preserve_links && S_ISLNK(mode)) {
461 const char *sl = F_SYMLINK(file);
462 int len = strlen(sl);
464 write_buf(f, sl, len);
468 #ifdef SUPPORT_HARD_LINKS
469 if (tmp_idev.dev != 0) {
470 if (protocol_version < 26) {
471 /* 32-bit dev_t and ino_t */
472 write_int(f, (int32)dev);
473 write_int(f, (int32)tmp_idev.ino);
475 /* 64-bit dev_t and ino_t */
476 if (!(flags & XMIT_SAME_DEV))
477 write_longint(f, dev);
478 write_longint(f, tmp_idev.ino);
483 if (always_checksum && (S_ISREG(mode) || protocol_version < 28)) {
488 /* Prior to 28, we sent a useless set of nulls. */
491 write_buf(f, sum, checksum_len);
494 strlcpy(lastname, fname, MAXPATHLEN);
497 static struct file_struct *recv_file_entry(struct file_list *flist,
498 unsigned short flags, int f)
500 static time_t modtime;
504 static uint32 rdev_major;
507 static char lastname[MAXPATHLEN], *lastdir;
508 static int lastdir_depth, lastdir_len = -1;
509 static unsigned int del_hier_name_len = 0;
510 static int in_del_hier = 0;
511 char thisname[MAXPATHLEN];
512 unsigned int l1 = 0, l2 = 0;
513 int alloc_len, basename_len, dirname_len, linkname_len;
514 int extra_len = (flist_extra_cnt - 1) * EXTRA_LEN;
516 char *basename, *dirname, *bp;
517 struct file_struct *file;
520 modtime = 0, mode = 0;
521 dev = 0, rdev = MAKEDEV(0, 0);
530 if (flags & XMIT_SAME_NAME)
533 if (flags & XMIT_LONG_NAME)
538 if (l2 >= MAXPATHLEN - l1) {
540 "overflow: flags=0x%x l1=%d l2=%d lastname=%s [%s]\n",
541 flags, l1, l2, lastname, who_am_i());
542 overflow_exit("recv_file_entry");
545 strlcpy(thisname, lastname, l1 + 1);
546 read_sbuf(f, &thisname[l1], l2);
547 thisname[l1 + l2] = 0;
549 strlcpy(lastname, thisname, MAXPATHLEN);
551 clean_fname(thisname, 0);
554 sanitize_path(thisname, thisname, "", 0, NULL);
556 if ((basename = strrchr(thisname, '/')) != NULL) {
557 dirname_len = ++basename - thisname; /* counts future '\0' */
558 if (lastdir_len == dirname_len - 1
559 && strncmp(thisname, lastdir, lastdir_len) == 0) {
561 dirname_len = 0; /* indicates no copy is needed */
569 basename_len = strlen(basename) + 1; /* count the '\0' */
571 file_length = read_longint(f);
572 if (!(flags & XMIT_SAME_TIME))
573 modtime = (time_t)read_int(f);
574 if (!(flags & XMIT_SAME_MODE))
575 mode = from_wire_mode(read_int(f));
577 if (chmod_modes && !S_ISLNK(mode))
578 mode = tweak_mode(mode, chmod_modes);
580 if (preserve_uid && !(flags & XMIT_SAME_UID))
581 uid = (uid_t)read_int(f);
582 if (preserve_gid && !(flags & XMIT_SAME_GID))
583 gid = (gid_t)read_int(f);
585 if ((preserve_devices && IS_DEVICE(mode))
586 || (preserve_specials && IS_SPECIAL(mode))) {
587 if (protocol_version < 28) {
588 if (!(flags & XMIT_SAME_RDEV_pre28))
589 rdev = (dev_t)read_int(f);
592 if (!(flags & XMIT_SAME_RDEV_MAJOR))
593 rdev_major = read_int(f);
594 if (flags & XMIT_RDEV_MINOR_IS_SMALL)
595 rdev_minor = read_byte(f);
597 rdev_minor = read_int(f);
598 rdev = MAKEDEV(rdev_major, rdev_minor);
600 extra_len += 2 * EXTRA_LEN;
602 } else if (protocol_version < 28)
603 rdev = MAKEDEV(0, 0);
606 if (preserve_links && S_ISLNK(mode)) {
607 linkname_len = read_int(f) + 1; /* count the '\0' */
608 if (linkname_len <= 0 || linkname_len > MAXPATHLEN) {
609 rprintf(FERROR, "overflow: linkname_len=%d\n",
611 overflow_exit("recv_file_entry");
618 #ifdef SUPPORT_HARD_LINKS
619 if (preserve_hard_links) {
620 if (protocol_version < 28 && S_ISREG(mode))
621 flags |= XMIT_HAS_IDEV_DATA;
622 if (flags & XMIT_HAS_IDEV_DATA)
623 extra_len += EXTRA_LEN;
627 if (always_checksum && S_ISREG(mode))
628 extra_len += SUM_EXTRA_CNT * EXTRA_LEN;
630 if (file_length > 0xFFFFFFFFu && S_ISREG(mode))
631 extra_len += EXTRA_LEN;
633 alloc_len = FILE_STRUCT_LEN + extra_len + basename_len + dirname_len
635 bp = pool_alloc(flist->file_pool, alloc_len, "recv_file_entry");
637 memset(bp, 0, FILE_STRUCT_LEN + extra_len);
639 file = (struct file_struct *)bp;
640 bp += FILE_STRUCT_LEN;
642 memcpy(bp, basename, basename_len);
643 bp += basename_len + linkname_len; /* skip space for symlink too */
645 #ifdef SUPPORT_HARD_LINKS
646 if (flags & XMIT_HAS_IDEV_DATA)
647 file->flags |= FLAG_HLINKED;
649 file->modtime = modtime;
650 file->len32 = (uint32)file_length;
651 if (file_length > 0xFFFFFFFFu && S_ISREG(mode)) {
652 file->flags |= FLAG_LENGTH64;
653 OPT_EXTRA(file, 0)->unum = (uint32)(file_length >> 32);
662 file->dirname = lastdir = bp;
663 lastdir_len = dirname_len - 1;
664 memcpy(bp, dirname, dirname_len - 1);
667 lastdir_depth = count_dir_elements(lastdir);
668 file->dir.depth = lastdir_depth + 1;
669 } else if (dirname) {
670 file->dirname = dirname; /* we're reusing lastname */
671 file->dir.depth = lastdir_depth + 1;
676 if (basename_len == 1+1 && *basename == '.') /* +1 for '\0' */
678 if (flags & XMIT_TOP_DIR) {
679 in_del_hier = recurse;
680 del_hier_name_len = file->dir.depth == 0 ? 0 : l1 + l2;
681 if (relative_paths && del_hier_name_len > 2
682 && lastname[del_hier_name_len-1] == '.'
683 && lastname[del_hier_name_len-2] == '/')
684 del_hier_name_len -= 2;
685 file->flags |= FLAG_TOP_DIR | FLAG_XFER_DIR;
686 } else if (in_del_hier) {
687 if (!relative_paths || !del_hier_name_len
688 || (l1 >= del_hier_name_len
689 && lastname[del_hier_name_len] == '/'))
690 file->flags |= FLAG_XFER_DIR;
696 if ((preserve_devices && IS_DEVICE(mode))
697 || (preserve_specials && IS_SPECIAL(mode))) {
698 uint32 *devp = F_RDEV_P(file);
699 DEV_MAJOR(devp) = major(rdev);
700 DEV_MINOR(devp) = minor(rdev);
705 bp = (char*)F_BASENAME(file) + basename_len;
706 read_sbuf(f, bp, linkname_len - 1);
708 sanitize_path(bp, bp, "", lastdir_depth, NULL);
712 #ifdef SUPPORT_HARD_LINKS
713 if (preserve_hard_links && flags & XMIT_HAS_IDEV_DATA) {
714 struct idev *idevp = pool_talloc(hlink_pool, struct idev,
716 F_HL_IDEV(file) = idevp;
717 if (protocol_version < 26) {
718 idevp->dev = read_int(f);
719 idevp->ino = read_int(f);
721 if (!(flags & XMIT_SAME_DEV))
722 dev = read_longint(f);
724 idevp->ino = read_longint(f);
729 if (always_checksum && (S_ISREG(mode) || protocol_version < 28)) {
731 bp = (char*)F_SUM(file);
733 /* Prior to 28, we get a useless set of nulls. */
736 read_buf(f, bp, checksum_len);
743 * Create a file_struct for a named file by reading its stat()
744 * information and performing extensive checks against global
747 * @return the new file, or NULL if there was an error or this file
748 * should be excluded.
750 * @todo There is a small optimization opportunity here to avoid
751 * stat()ing the file in some circumstances, which has a certain cost.
752 * We are called immediately after doing readdir(), and so we may
753 * already know the d_type of the file. We could for example avoid
754 * statting directories if we're not recursing, but this is not a very
755 * important case. Some systems may not have d_type.
757 struct file_struct *make_file(const char *fname, struct file_list *flist,
758 STRUCT_STAT *stp, int flags, int filter_level)
760 static char *lastdir;
761 static int lastdir_len = -1;
762 struct file_struct *file;
764 char thisname[MAXPATHLEN];
765 char linkname[MAXPATHLEN];
766 int alloc_len, basename_len, dirname_len, linkname_len;
767 int extra_len = (flist_extra_cnt - 1) * EXTRA_LEN;
768 char *basename, *dirname, *bp;
770 if (!flist || !flist->count) /* Ignore lastdir when invalid. */
773 if (strlcpy(thisname, fname, sizeof thisname)
774 >= sizeof thisname - flist_dir_len) {
775 rprintf(FINFO, "skipping overly long name: %s\n", fname);
778 clean_fname(thisname, 0);
780 sanitize_path(thisname, thisname, "", 0, NULL);
782 if (stp && S_ISDIR(stp->st_mode)) {
783 st = *stp; /* Needed for "symlink/." with --relative. */
784 *linkname = '\0'; /* make IBM code checker happy */
785 } else if (readlink_stat(thisname, &st, linkname) != 0) {
786 int save_errno = errno;
787 /* See if file is excluded before reporting an error. */
788 if (filter_level != NO_FILTERS
789 && (is_excluded(thisname, 0, filter_level)
790 || is_excluded(thisname, 1, filter_level))) {
791 if (ignore_perishable && save_errno != ENOENT)
792 non_perishable_cnt++;
795 if (save_errno == ENOENT) {
797 /* Avoid "vanished" error if symlink points nowhere. */
798 if (copy_links && do_lstat(thisname, &st) == 0
799 && S_ISLNK(st.st_mode)) {
800 io_error |= IOERR_GENERAL;
801 rprintf(FERROR, "symlink has no referent: %s\n",
802 full_fname(thisname));
806 enum logcode c = am_daemon && protocol_version < 28
808 io_error |= IOERR_VANISHED;
809 rprintf(c, "file has vanished: %s\n",
810 full_fname(thisname));
813 io_error |= IOERR_GENERAL;
814 rsyserr(FERROR, save_errno, "readlink %s failed",
815 full_fname(thisname));
820 /* backup.c calls us with filter_level set to NO_FILTERS. */
821 if (filter_level == NO_FILTERS)
824 if (S_ISDIR(st.st_mode) && !xfer_dirs) {
825 rprintf(FINFO, "skipping directory %s\n", thisname);
829 /* -x only affects directories because we need to avoid recursing
830 * into a mount-point directory, not to avoid copying a symlinked
831 * file if -L (or similar) was specified. */
832 if (one_file_system && st.st_dev != filesystem_dev
833 && S_ISDIR(st.st_mode)) {
834 if (one_file_system > 1) {
836 rprintf(FINFO, "skipping mount-point dir %s\n",
841 flags |= FLAG_MOUNT_DIR;
844 if (is_excluded(thisname, S_ISDIR(st.st_mode) != 0, filter_level)) {
845 if (ignore_perishable)
846 non_perishable_cnt++;
850 if (lp_ignore_nonreadable(module_id)) {
852 if (!S_ISLNK(st.st_mode))
854 if (access(thisname, R_OK) != 0)
861 rprintf(FINFO, "[%s] make_file(%s,*,%d)\n",
862 who_am_i(), thisname, filter_level);
865 if ((basename = strrchr(thisname, '/')) != NULL) {
866 dirname_len = ++basename - thisname; /* counts future '\0' */
867 if (lastdir_len == dirname_len - 1
868 && strncmp(thisname, lastdir, lastdir_len) == 0) {
870 dirname_len = 0; /* indicates no copy is needed */
878 basename_len = strlen(basename) + 1; /* count the '\0' */
881 linkname_len = S_ISLNK(st.st_mode) ? strlen(linkname) + 1 : 0;
886 if (st.st_size > 0xFFFFFFFFu && S_ISREG(st.st_mode))
887 extra_len += EXTRA_LEN;
889 alloc_len = FILE_STRUCT_LEN + extra_len + basename_len + dirname_len
892 bp = pool_alloc(flist->file_pool, alloc_len, "make_file");
894 if (!(bp = new_array(char, alloc_len)))
895 out_of_memory("make_file");
898 memset(bp, 0, FILE_STRUCT_LEN + extra_len);
900 file = (struct file_struct *)bp;
901 bp += FILE_STRUCT_LEN;
903 memcpy(bp, basename, basename_len);
904 bp += basename_len + linkname_len; /* skip space for symlink too */
906 #ifdef SUPPORT_HARD_LINKS
907 if (preserve_hard_links && flist) {
908 if (protocol_version >= 28
909 ? (!S_ISDIR(st.st_mode) && st.st_nlink > 1)
910 : S_ISREG(st.st_mode)) {
911 tmp_idev.dev = st.st_dev;
912 tmp_idev.ino = st.st_ino;
914 tmp_idev.dev = tmp_idev.ino = 0;
918 #ifdef HAVE_STRUCT_STAT_ST_RDEV
919 if (IS_DEVICE(st.st_mode) || IS_SPECIAL(st.st_mode)) {
920 tmp_rdev = st.st_rdev;
926 file->modtime = st.st_mtime;
927 file->len32 = (uint32)st.st_size;
928 if (st.st_size > 0xFFFFFFFFu && S_ISREG(st.st_mode)) {
929 file->flags |= FLAG_LENGTH64;
930 OPT_EXTRA(file, 0)->unum = (uint32)(st.st_size >> 32);
932 file->mode = st.st_mode;
934 F_UID(file) = st.st_uid;
936 F_GID(file) = st.st_gid;
939 file->dirname = lastdir = bp;
940 lastdir_len = dirname_len - 1;
941 memcpy(bp, dirname, dirname_len - 1);
945 file->dirname = dirname;
949 bp = (char*)F_BASENAME(file) + basename_len;
950 memcpy(bp, linkname, linkname_len);
954 if (always_checksum && am_sender && S_ISREG(st.st_mode))
955 file_checksum(thisname, tmp_sum, st.st_size);
957 file->dir.root = flist_dir;
959 /* This code is only used by the receiver when it is building
960 * a list of files for a delete pass. */
961 if (keep_dirlinks && linkname_len && flist) {
963 int save_mode = file->mode;
964 file->mode = S_IFDIR; /* Find a directory with our name. */
965 if (flist_find(the_file_list, file) >= 0
966 && do_stat(thisname, &st2) == 0 && S_ISDIR(st2.st_mode)) {
967 file->modtime = st2.st_mtime;
969 file->mode = st2.st_mode;
971 F_UID(file) = st2.st_uid;
973 F_GID(file) = st2.st_gid;
975 file->mode = save_mode;
978 if (S_ISREG(st.st_mode) || S_ISLNK(st.st_mode))
979 stats.total_size += st.st_size;
981 if (basename_len == 0+1)
987 /* Only called for temporary file_struct entries created by make_file(). */
988 void unmake_file(struct file_struct *file)
990 int extra_cnt = flist_extra_cnt - 1 + LEN64_BUMP(file);
991 free(file->extras - extra_cnt);
994 static struct file_struct *send_file_name(int f, struct file_list *flist,
995 char *fname, STRUCT_STAT *stp,
996 unsigned short flags)
998 struct file_struct *file;
1000 file = make_file(fname, flist, stp, flags,
1001 f == -2 ? SERVER_FILTERS : ALL_FILTERS);
1005 if (chmod_modes && !S_ISLNK(file->mode))
1006 file->mode = tweak_mode(file->mode, chmod_modes);
1008 maybe_emit_filelist_progress(flist->count + flist_count_offset);
1010 flist_expand(flist);
1011 flist->files[flist->count++] = file;
1012 send_file_entry(file, f);
1016 static void send_if_directory(int f, struct file_list *flist,
1017 struct file_struct *file,
1018 char *fbuf, unsigned int ol)
1020 char is_dot_dir = fbuf[ol-1] == '.' && (ol == 1 || fbuf[ol-2] == '/');
1022 if (S_ISDIR(file->mode)
1023 && !(file->flags & FLAG_MOUNT_DIR) && f_name(file, fbuf)) {
1025 unsigned int len = strlen(fbuf);
1026 if (len > 1 && fbuf[len-1] == '/')
1028 if (len >= MAXPATHLEN - 1) {
1029 io_error |= IOERR_GENERAL;
1030 rprintf(FERROR, "skipping long-named directory: %s\n",
1034 save_filters = push_local_filters(fbuf, len);
1035 send_directory(f, flist, fbuf, len);
1036 pop_local_filters(save_filters);
1043 /* This function is normally called by the sender, but the receiving side also
1044 * calls it from get_dirlist() with f set to -1 so that we just construct the
1045 * file list in memory without sending it over the wire. Also, get_dirlist()
1046 * might call this with f set to -2, which also indicates that local filter
1047 * rules should be ignored. */
1048 static void send_directory(int f, struct file_list *flist,
1049 char *fbuf, int len)
1055 int start = flist->count;
1057 if (!(d = opendir(fbuf))) {
1058 io_error |= IOERR_GENERAL;
1059 rsyserr(FERROR, errno, "opendir %s failed", full_fname(fbuf));
1064 if (len != 1 || *fbuf != '/')
1067 remainder = MAXPATHLEN - (p - fbuf);
1069 for (errno = 0, di = readdir(d); di; errno = 0, di = readdir(d)) {
1070 char *dname = d_name(di);
1071 if (dname[0] == '.' && (dname[1] == '\0'
1072 || (dname[1] == '.' && dname[2] == '\0')))
1074 if (strlcpy(p, dname, remainder) >= remainder) {
1075 io_error |= IOERR_GENERAL;
1077 "cannot send long-named file %s\n",
1082 send_file_name(f, flist, fbuf, NULL, 0);
1088 io_error |= IOERR_GENERAL;
1089 rsyserr(FERROR, errno, "readdir(%s)", full_fname(fbuf));
1095 int i, end = flist->count - 1;
1096 for (i = start; i <= end; i++)
1097 send_if_directory(f, flist, flist->files[i], fbuf, len);
1101 struct file_list *send_file_list(int f, int argc, char *argv[])
1105 char *p, *dir, olddir[sizeof curr_dir];
1106 char lastpath[MAXPATHLEN] = "";
1107 struct file_list *flist;
1108 struct timeval start_tv, end_tv;
1112 rprintf(FLOG, "building file list\n");
1113 if (show_filelist_p())
1114 start_filelist_progress("building file list");
1116 start_write = stats.total_written;
1117 gettimeofday(&start_tv, NULL);
1119 flist = flist_new("send_file_list");
1121 io_start_buffering_out();
1122 if (filesfrom_fd >= 0) {
1123 if (argv[0] && !push_dir(argv[0], 0)) {
1124 rsyserr(FERROR, errno, "push_dir %s failed",
1125 full_fname(argv[0]));
1126 exit_cleanup(RERR_FILESELECT);
1132 char fbuf[MAXPATHLEN];
1137 if (read_filesfrom_line(filesfrom_fd, fbuf) == 0)
1139 sanitize_path(fbuf, fbuf, "", 0, NULL);
1143 strlcpy(fbuf, *argv++, MAXPATHLEN);
1145 sanitize_path(fbuf, fbuf, "", 0, NULL);
1149 if (relative_paths) {
1150 /* We clean up fbuf below. */
1152 } else if (!len || fbuf[len - 1] == '/') {
1153 if (len == 2 && fbuf[0] == '.') {
1154 /* Turn "./" into just "." rather than "./." */
1157 if (len + 1 >= MAXPATHLEN)
1158 overflow_exit("send_file_list");
1163 } else if (len > 1 && fbuf[len-1] == '.' && fbuf[len-2] == '.'
1164 && (len == 2 || fbuf[len-3] == '/')) {
1165 if (len + 2 >= MAXPATHLEN)
1166 overflow_exit("send_file_list");
1172 is_dot_dir = fbuf[len-1] == '.'
1173 && (len == 1 || fbuf[len-2] == '/');
1176 if (link_stat(fbuf, &st, copy_dirlinks) != 0) {
1177 io_error |= IOERR_GENERAL;
1178 rsyserr(FERROR, errno, "link_stat %s failed",
1183 if (S_ISDIR(st.st_mode) && !xfer_dirs) {
1184 rprintf(FINFO, "skipping directory %s\n", fbuf);
1191 if (!relative_paths) {
1192 p = strrchr(fbuf, '/');
1199 len -= p - fbuf + 1;
1204 if ((p = strstr(fbuf, "/./")) != NULL) {
1210 len -= p - fbuf + 3;
1214 /* Get rid of trailing "/" and "/.". */
1216 if (fn[len - 1] == '/') {
1218 if (!--len && !dir) {
1223 else if (len >= 2 && fn[len - 1] == '.'
1224 && fn[len - 2] == '/') {
1226 if (!(len -= 2) && !dir) {
1233 if (len == 1 && fn[0] == '/')
1236 /* Reject a ".." dir in the active part of the path. */
1237 for (p = fn; (p = strstr(p, "..")) != NULL; p += 2) {
1238 if ((p[2] == '/' || p[2] == '\0')
1239 && (p == fn || p[-1] == '/')) {
1241 "found \"..\" dir in relative path: %s\n",
1243 exit_cleanup(RERR_SYNTAX);
1254 static const char *lastdir;
1255 static int lastdir_len;
1257 strlcpy(olddir, curr_dir, sizeof olddir);
1259 if (!push_dir(dir, 0)) {
1260 io_error |= IOERR_GENERAL;
1261 rsyserr(FERROR, errno, "push_dir %s failed",
1266 if (lastdir && strcmp(lastdir, dir) == 0) {
1267 flist_dir = lastdir;
1268 flist_dir_len = lastdir_len;
1270 flist_dir = lastdir = strdup(dir);
1271 flist_dir_len = lastdir_len = strlen(dir);
1276 memmove(fbuf, fn, len + 1);
1278 if (implied_dirs && (p=strrchr(fbuf,'/')) && p != fbuf) {
1279 /* Send the implied directories at the start of the
1280 * source spec, so we get their permissions right. */
1281 char *lp = lastpath, *slash = fbuf;
1283 /* Skip any initial directories in our path that we
1284 * have in common with lastpath. */
1285 for (fn = fbuf; *fn && *lp == *fn; lp++, fn++) {
1290 if (fn != p || (*lp && *lp != '/')) {
1291 int save_copy_links = copy_links;
1292 int save_xfer_dirs = xfer_dirs;
1293 copy_links |= copy_unsafe_links;
1295 while ((slash = strchr(slash+1, '/')) != 0) {
1297 send_file_name(f, flist, fbuf, NULL, 0);
1300 copy_links = save_copy_links;
1301 xfer_dirs = save_xfer_dirs;
1303 strlcpy(lastpath, fbuf, sizeof lastpath);
1308 if (one_file_system)
1309 filesystem_dev = st.st_dev;
1311 if (recurse || (xfer_dirs && is_dot_dir)) {
1312 struct file_struct *file;
1313 file = send_file_name(f, flist, fbuf, &st, FLAG_TOP_DIR);
1315 send_if_directory(f, flist, file, fbuf, len);
1317 send_file_name(f, flist, fbuf, &st, 0);
1322 if (!pop_dir(olddir)) {
1323 rsyserr(FERROR, errno, "pop_dir %s failed",
1324 full_fname(olddir));
1325 exit_cleanup(RERR_FILESELECT);
1330 gettimeofday(&end_tv, NULL);
1331 stats.flist_buildtime = (int64)(end_tv.tv_sec - start_tv.tv_sec) * 1000
1332 + (end_tv.tv_usec - start_tv.tv_usec) / 1000;
1333 if (stats.flist_buildtime == 0)
1334 stats.flist_buildtime = 1;
1337 send_file_entry(NULL, f);
1339 if (show_filelist_p())
1340 finish_filelist_progress(flist);
1342 gettimeofday(&end_tv, NULL);
1343 stats.flist_xfertime = (int64)(end_tv.tv_sec - start_tv.tv_sec) * 1000
1344 + (end_tv.tv_usec - start_tv.tv_usec) / 1000;
1346 /* Sort the list without removing any duplicates. This allows the
1347 * receiving side to ask for any name they like, which gives us the
1348 * flexibility to change the way we unduplicate names in the future
1349 * without causing a compatibility problem with older versions. */
1350 clean_flist(flist, 0, 0);
1355 /* send the io_error flag */
1356 write_int(f, lp_ignore_errors(module_id) ? 0 : io_error);
1359 stats.flist_size = stats.total_written - start_write;
1360 stats.num_files = flist->count;
1363 output_flist(flist);
1366 rprintf(FINFO, "send_file_list done\n");
1371 struct file_list *recv_file_list(int f)
1373 struct file_list *flist;
1374 unsigned short flags;
1377 rprintf(FLOG, "receiving file list\n");
1378 if (show_filelist_p())
1379 start_filelist_progress("receiving file list");
1381 start_read = stats.total_read;
1383 flist = flist_new("recv_file_list");
1386 while ((flags = read_byte(f)) != 0) {
1387 struct file_struct *file;
1389 flist_expand(flist);
1391 if (protocol_version >= 28 && (flags & XMIT_EXTENDED_FLAGS))
1392 flags |= read_byte(f) << 8;
1393 file = recv_file_entry(flist, flags, f);
1395 if (S_ISREG(file->mode) || S_ISLNK(file->mode))
1396 stats.total_size += F_LENGTH(file);
1398 flist->files[flist->count++] = file;
1400 maybe_emit_filelist_progress(flist->count);
1403 rprintf(FINFO, "recv_file_name(%s)\n",
1404 f_name(file, NULL));
1407 recv_file_entry(NULL, 0, 0); /* Signal that we're done. */
1410 rprintf(FINFO, "received %d names\n", flist->count);
1412 if (show_filelist_p())
1413 finish_filelist_progress(flist);
1415 clean_flist(flist, relative_paths, 1);
1418 recv_uid_list(f, flist);
1420 /* Recv the io_error flag */
1421 if (lp_ignore_errors(module_id) || ignore_errors)
1424 io_error |= read_int(f);
1428 output_flist(flist);
1432 for (i = 0; i < flist->count; i++)
1433 list_file_entry(flist->files[i]);
1437 rprintf(FINFO, "recv_file_list done\n");
1439 stats.flist_size = stats.total_read - start_read;
1440 stats.num_files = flist->count;
1445 static int file_compare(struct file_struct **file1, struct file_struct **file2)
1447 return f_name_cmp(*file1, *file2);
1450 /* Search for an identically-named item in the file list. Note that the
1451 * items must agree in their directory-ness, or no match is returned. */
1452 int flist_find(struct file_list *flist, struct file_struct *f)
1454 int low = flist->low, high = flist->high;
1455 int diff, mid, mid_up;
1457 while (low <= high) {
1458 mid = (low + high) / 2;
1459 if (F_IS_ACTIVE(flist->files[mid]))
1462 /* Scan for the next non-empty entry using the cached
1463 * distance values. If the value isn't fully up-to-
1464 * date, update it. */
1465 mid_up = mid + flist->files[mid]->dir.depth;
1466 if (!F_IS_ACTIVE(flist->files[mid_up])) {
1468 mid_up += flist->files[mid_up]->dir.depth;
1469 } while (!F_IS_ACTIVE(flist->files[mid_up]));
1470 flist->files[mid]->dir.depth = mid_up - mid;
1472 if (mid_up > high) {
1473 /* If there's nothing left above us, set high to
1474 * a non-empty entry below us and continue. */
1475 high = mid - (int)flist->files[mid]->len32;
1476 if (!F_IS_ACTIVE(flist->files[high])) {
1478 high -= (int)flist->files[high]->len32;
1479 } while (!F_IS_ACTIVE(flist->files[high]));
1480 flist->files[mid]->len32 = mid - high;
1485 diff = f_name_cmp(flist->files[mid_up], f);
1487 if (protocol_version < 29
1488 && S_ISDIR(flist->files[mid_up]->mode)
1489 != S_ISDIR(f->mode))
1502 * Free up any resources a file_struct has allocated
1503 * and clear the file.
1505 void clear_file(struct file_struct *file)
1507 memset((char*)file + EXTRA_LEN, 0, FILE_STRUCT_LEN - EXTRA_LEN + 1);
1508 /* In an empty entry, dir.depth is an offset to the next non-empty
1509 * entry. Likewise for len32 in the opposite direction. We assume
1510 * that we're alone for now since flist_find() will adjust the counts
1511 * it runs into that aren't up-to-date. */
1512 file->len32 = file->dir.depth = 1;
1515 /* Allocate a new file list. */
1516 struct file_list *flist_new(char *msg)
1518 struct file_list *flist;
1520 flist = new(struct file_list);
1524 memset(flist, 0, sizeof flist[0]);
1526 if (!(flist->file_pool = pool_create(FILE_EXTENT, 0, out_of_memory, POOL_INTERN)))
1532 /* Free up all elements in a flist. */
1533 void flist_free(struct file_list *flist)
1535 pool_destroy(flist->file_pool);
1541 * This routine ensures we don't have any duplicate names in our file list.
1542 * duplicate names can cause corruption because of the pipelining
1544 static void clean_flist(struct file_list *flist, int strip_root, int no_dups)
1546 char fbuf[MAXPATHLEN];
1551 if (flist->count == 0) {
1556 qsort(flist->files, flist->count,
1557 sizeof flist->files[0], (int (*)())file_compare);
1559 for (i = no_dups? 0 : flist->count; i < flist->count; i++) {
1560 if (F_IS_ACTIVE(flist->files[i])) {
1565 flist->low = prev_i;
1566 while (++i < flist->count) {
1568 struct file_struct *file = flist->files[i];
1570 if (!F_IS_ACTIVE(file))
1572 if (f_name_cmp(file, flist->files[prev_i]) == 0)
1574 else if (protocol_version >= 29 && S_ISDIR(file->mode)) {
1575 int save_mode = file->mode;
1576 /* Make sure that this directory doesn't duplicate a
1577 * non-directory earlier in the list. */
1578 flist->high = prev_i;
1579 file->mode = S_IFREG;
1580 j = flist_find(flist, file);
1581 file->mode = save_mode;
1585 struct file_struct *fp = flist->files[j];
1587 /* If one is a dir and the other is not, we want to
1588 * keep the dir because it might have contents in the
1590 if (S_ISDIR(file->mode) != S_ISDIR(fp->mode)) {
1591 if (S_ISDIR(file->mode))
1597 if (verbose > 1 && !am_server) {
1599 "removing duplicate name %s from file list (%d)\n",
1600 f_name(file, fbuf), drop);
1602 /* Make sure we don't lose track of a user-specified
1604 flist->files[keep]->flags |= flist->files[drop]->flags
1605 & (FLAG_TOP_DIR|FLAG_XFER_DIR);
1607 clear_file(flist->files[drop]);
1610 if (flist->low == drop) {
1612 j < i && !F_IS_ACTIVE(flist->files[j]);
1621 flist->high = no_dups ? prev_i : flist->count - 1;
1624 /* We need to strip off the leading slashes for relative
1625 * paths, but this must be done _after_ the sorting phase. */
1626 for (i = flist->low; i <= flist->high; i++) {
1627 struct file_struct *file = flist->files[i];
1631 while (*file->dirname == '/')
1633 if (!*file->dirname)
1634 file->dirname = NULL;
1638 if (prune_empty_dirs && no_dups) {
1639 int j, prev_depth = 0;
1641 prev_i = 0; /* It's OK that this isn't really true. */
1643 for (i = flist->low; i <= flist->high; i++) {
1644 struct file_struct *fp, *file = flist->files[i];
1646 /* This temporarily abuses the dir.depth value for a
1647 * directory that is in a chain that might get pruned.
1648 * We restore the old value if it gets a reprieve. */
1649 if (S_ISDIR(file->mode) && file->dir.depth) {
1650 /* Dump empty dirs when coming back down. */
1651 for (j = prev_depth; j >= file->dir.depth; j--) {
1652 fp = flist->files[prev_i];
1653 if (fp->dir.depth >= 0)
1655 prev_i = -fp->dir.depth-1;
1658 prev_depth = file->dir.depth;
1659 if (is_excluded(f_name(file, fbuf), 1,
1661 /* Keep dirs through this dir. */
1662 for (j = prev_depth-1; ; j--) {
1663 fp = flist->files[prev_i];
1664 if (fp->dir.depth >= 0)
1666 prev_i = -fp->dir.depth-1;
1670 file->dir.depth = -prev_i-1;
1673 /* Keep dirs through this non-dir. */
1674 for (j = prev_depth; ; j--) {
1675 fp = flist->files[prev_i];
1676 if (fp->dir.depth >= 0)
1678 prev_i = -fp->dir.depth-1;
1683 /* Dump empty all remaining empty dirs. */
1685 struct file_struct *fp = flist->files[prev_i];
1686 if (fp->dir.depth >= 0)
1688 prev_i = -fp->dir.depth-1;
1692 for (i = flist->low; i <= flist->high; i++) {
1693 if (F_IS_ACTIVE(flist->files[i]))
1697 for (i = flist->high; i >= flist->low; i--) {
1698 if (F_IS_ACTIVE(flist->files[i]))
1705 static void output_flist(struct file_list *flist)
1707 char uidbuf[16], gidbuf[16], depthbuf[16];
1708 struct file_struct *file;
1709 const char *dir, *slash, *name, *trail;
1710 const char *who = who_am_i();
1713 for (i = 0; i < flist->count; i++) {
1714 file = flist->files[i];
1715 if ((am_root || am_sender) && preserve_uid) {
1716 snprintf(uidbuf, sizeof uidbuf, " uid=%ld",
1720 if (preserve_gid && F_GID(file) != GID_NONE) {
1721 snprintf(gidbuf, sizeof gidbuf, " gid=%ld",
1726 snprintf(depthbuf, sizeof depthbuf, "%d", file->dir.depth);
1727 if (F_IS_ACTIVE(file)) {
1728 if ((dir = file->dirname) == NULL)
1732 name = F_BASENAME(file);
1733 trail = S_ISDIR(file->mode) ? "/" : "";
1735 dir = slash = name = trail = "";
1736 rprintf(FINFO, "[%s] i=%d %s %s%s%s%s mode=0%o len=%.0f%s%s flags=%x\n",
1737 who, i, am_sender ? NS(file->dir.root) : depthbuf,
1738 dir, slash, name, trail, (int)file->mode,
1739 (double)F_LENGTH(file), uidbuf, gidbuf, file->flags);
1743 enum fnc_state { s_DIR, s_SLASH, s_BASE, s_TRAILING };
1744 enum fnc_type { t_PATH, t_ITEM };
1746 /* Compare the names of two file_struct entities, similar to how strcmp()
1747 * would do if it were operating on the joined strings.
1749 * Some differences beginning with protocol_version 29: (1) directory names
1750 * are compared with an assumed trailing slash so that they compare in a
1751 * way that would cause them to sort immediately prior to any content they
1752 * may have; (2) a directory of any name compares after a non-directory of
1753 * any name at the same depth; (3) a directory with name "." compares prior
1754 * to anything else. These changes mean that a directory and a non-dir
1755 * with the same name will not compare as equal (protocol_version >= 29).
1757 * The dirname component can be an empty string, but the basename component
1758 * cannot (and never is in the current codebase). The basename component
1759 * may be NULL (for a removed item), in which case it is considered to be
1760 * after any existing item. */
1761 int f_name_cmp(struct file_struct *f1, struct file_struct *f2)
1764 const uchar *c1, *c2;
1765 enum fnc_state state1, state2;
1766 enum fnc_type type1, type2;
1767 enum fnc_type t_path = protocol_version >= 29 ? t_PATH : t_ITEM;
1769 if (!f1 || !F_IS_ACTIVE(f1)) {
1770 if (!f2 || !F_IS_ACTIVE(f2))
1774 if (!f2 || !F_IS_ACTIVE(f2))
1777 c1 = (uchar*)f1->dirname;
1778 c2 = (uchar*)f2->dirname;
1782 type1 = S_ISDIR(f1->mode) ? t_path : t_ITEM;
1783 c1 = (uchar*)F_BASENAME(f1);
1784 if (type1 == t_PATH && *c1 == '.' && !c1[1]) {
1786 state1 = s_TRAILING;
1795 type2 = S_ISDIR(f2->mode) ? t_path : t_ITEM;
1796 c2 = (uchar*)F_BASENAME(f2);
1797 if (type2 == t_PATH && *c2 == '.' && !c2[1]) {
1799 state2 = s_TRAILING;
1809 return type1 == t_PATH ? 1 : -1;
1819 type1 = S_ISDIR(f1->mode) ? t_path : t_ITEM;
1820 c1 = (uchar*)F_BASENAME(f1);
1821 if (type1 == t_PATH && *c1 == '.' && !c1[1]) {
1823 state1 = s_TRAILING;
1829 state1 = s_TRAILING;
1830 if (type1 == t_PATH) {
1839 if (*c2 && type1 != type2)
1840 return type1 == t_PATH ? 1 : -1;
1849 type2 = S_ISDIR(f2->mode) ? t_path : t_ITEM;
1850 c2 = (uchar*)F_BASENAME(f2);
1851 if (type2 == t_PATH && *c2 == '.' && !c2[1]) {
1853 state2 = s_TRAILING;
1859 state2 = s_TRAILING;
1860 if (type2 == t_PATH) {
1872 return type1 == t_PATH ? 1 : -1;
1874 } while ((dif = (int)*c1++ - (int)*c2++) == 0);
1879 char *f_name_buf(void)
1881 static char names[5][MAXPATHLEN];
1882 static unsigned int n;
1884 n = (n + 1) % (sizeof names / sizeof names[0]);
1889 /* Return a copy of the full filename of a flist entry, using the indicated
1890 * buffer or one of 5 static buffers if fbuf is NULL. No size-checking is
1891 * done because we checked the size when creating the file_struct entry.
1893 char *f_name(struct file_struct *f, char *fbuf)
1895 if (!f || !F_IS_ACTIVE(f))
1899 fbuf = f_name_buf();
1902 int len = strlen(f->dirname);
1903 memcpy(fbuf, f->dirname, len);
1905 strlcpy(fbuf + len + 1, F_BASENAME(f), MAXPATHLEN - (len + 1));
1907 strlcpy(fbuf, F_BASENAME(f), MAXPATHLEN);
1912 /* Do a non-recursive scan of the named directory, possibly ignoring all
1913 * exclude rules except for the daemon's. If "dlen" is >=0, it is the length
1914 * of the dirname string, and also indicates that "dirname" is a MAXPATHLEN
1915 * buffer (the functions we call will append names onto the end, but the old
1916 * dir value will be restored on exit). */
1917 struct file_list *get_dirlist(char *dirname, int dlen,
1918 int ignore_filter_rules)
1920 struct file_list *dirlist;
1921 char dirbuf[MAXPATHLEN];
1922 int save_recurse = recurse;
1923 int save_xfer_dirs = xfer_dirs;
1926 dlen = strlcpy(dirbuf, dirname, MAXPATHLEN);
1927 if (dlen >= MAXPATHLEN)
1932 dirlist = flist_new("get_dirlist");
1936 send_directory(ignore_filter_rules ? -2 : -1, dirlist, dirname, dlen);
1937 xfer_dirs = save_xfer_dirs;
1938 recurse = save_recurse;
1940 flist_count_offset += dirlist->count;
1942 clean_flist(dirlist, 0, 0);
1945 output_flist(dirlist);