2 Copyright (C) Andrew Tridgell 1996
3 Copyright (C) Paul Mackerras 1996
4 Copyright (C) 2001, 2002 by Martin Pool <mbp@samba.org>
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 * Generate and receive file lists
24 * @sa http://lists.samba.org/pipermail/rsync/2000-June/002351.html
30 extern struct stats stats;
33 extern int do_progress;
36 extern int always_checksum;
38 extern int ignore_errors;
40 extern int cvs_exclude;
43 extern char curr_dir[MAXPATHLEN];
44 extern char *files_from;
45 extern int filesfrom_fd;
47 extern int one_file_system;
48 extern int make_backups;
49 extern int preserve_links;
50 extern int preserve_hard_links;
51 extern int preserve_perms;
52 extern int preserve_devices;
53 extern int preserve_uid;
54 extern int preserve_gid;
55 extern int preserve_times;
56 extern int relative_paths;
57 extern int implied_dirs;
58 extern int copy_links;
59 extern int copy_unsafe_links;
60 extern int protocol_version;
61 extern int sanitize_paths;
63 extern int read_batch;
64 extern int write_batch;
66 extern struct exclude_struct **exclude_list;
67 extern struct exclude_struct **server_exclude_list;
68 extern struct exclude_struct **local_exclude_list;
72 static char empty_sum[MD4_SUM_LENGTH];
73 static unsigned int min_file_struct_len;
75 static void clean_flist(struct file_list *flist, int strip_root, int no_dups);
76 static void output_flist(struct file_list *flist);
83 /* Figure out how big the file_struct is without trailing padding */
84 min_file_struct_len = ((char*)&f.flags - (char*)&f) + sizeof f.flags;
88 static int show_filelist_p(void)
90 return verbose && (recurse || files_from) && !am_server;
93 static void start_filelist_progress(char *kind)
95 rprintf(FINFO, "%s ... ", kind);
96 if ((verbose > 1) || do_progress)
102 static void emit_filelist_progress(const struct file_list *flist)
104 rprintf(FINFO, " %d files...\r", flist->count);
108 static void maybe_emit_filelist_progress(const struct file_list *flist)
110 if (do_progress && show_filelist_p() && ((flist->count % 100) == 0))
111 emit_filelist_progress(flist);
115 static void finish_filelist_progress(const struct file_list *flist)
118 /* This overwrites the progress line */
119 rprintf(FINFO, "%d file%sto consider\n",
120 flist->count, flist->count == 1 ? " " : "s ");
122 rprintf(FINFO, "done\n");
125 void show_flist_stats(void)
131 static void list_file_entry(struct file_struct *f)
136 /* this can happen if duplicate names were removed */
139 permstring(perms, f->mode);
142 if (preserve_links && S_ISLNK(f->mode)) {
143 rprintf(FINFO, "%s %11.0f %s %s -> %s\n",
145 (double) f->length, timestring(f->modtime),
146 f_name(f), f->u.link);
149 rprintf(FINFO, "%s %11.0f %s %s\n",
151 (double) f->length, timestring(f->modtime),
157 * Stat either a symlink or its referent, depending on the settings of
158 * copy_links, copy_unsafe_links, etc.
160 * @retval -1 on error
162 * @retval 0 for success
164 * @post If @p path is a symlink, then @p linkbuf (of size @c
165 * MAXPATHLEN) contains the symlink target.
167 * @post @p buffer contains information about the link or the
168 * referrent as appropriate, if they exist.
170 int readlink_stat(const char *path, STRUCT_STAT *buffer, char *linkbuf)
174 return do_stat(path, buffer);
175 if (do_lstat(path, buffer) == -1)
177 if (S_ISLNK(buffer->st_mode)) {
178 int l = readlink((char *) path, linkbuf, MAXPATHLEN - 1);
182 if (copy_unsafe_links && unsafe_symlink(linkbuf, path)) {
184 rprintf(FINFO,"copying unsafe symlink \"%s\" -> \"%s\"\n",
187 return do_stat(path, buffer);
192 return do_stat(path, buffer);
196 int link_stat(const char *path, STRUCT_STAT * buffer)
200 return do_stat(path, buffer);
201 return do_lstat(path, buffer);
203 return do_stat(path, buffer);
208 * This function is used to check if a file should be included/excluded
209 * from the list of files based on its name and type etc. The value of
210 * exclude_level is set to either SERVER_EXCLUDES or ALL_EXCLUDES.
212 static int check_exclude_file(char *fname, int is_dir, int exclude_level)
214 #if 0 /* This currently never happens, so avoid a useless compare. */
215 if (exclude_level == NO_EXCLUDES)
219 /* never exclude '.', even if somebody does --exclude '*' */
220 if (fname[0] == '.' && !fname[1])
222 /* Handle the -R version of the '.' dir. */
223 if (fname[0] == '/') {
224 int len = strlen(fname);
225 if (fname[len-1] == '.' && fname[len-2] == '/')
229 if (server_exclude_list
230 && check_exclude(server_exclude_list, fname, is_dir))
232 if (exclude_level != ALL_EXCLUDES)
234 if (exclude_list && check_exclude(exclude_list, fname, is_dir))
236 if (local_exclude_list
237 && check_exclude(local_exclude_list, fname, is_dir))
242 /* used by the one_file_system code */
243 static dev_t filesystem_dev;
245 static void set_filesystem(char *fname)
248 if (link_stat(fname, &st) != 0)
250 filesystem_dev = st.st_dev;
254 static int to_wire_mode(mode_t mode)
257 if (S_ISLNK(mode) && (_S_IFLNK != 0120000))
258 return (mode & ~(_S_IFMT)) | 0120000;
263 static mode_t from_wire_mode(int mode)
265 if ((mode & (_S_IFMT)) == 0120000 && (_S_IFLNK != 0120000))
266 return (mode & ~(_S_IFMT)) | _S_IFLNK;
267 return (mode_t) mode;
271 static void send_directory(int f, struct file_list *flist, char *dir);
273 static char *flist_dir;
274 static int flist_dir_len;
278 * Make sure @p flist is big enough to hold at least @p flist->count
281 static void flist_expand(struct file_list *flist)
283 if (flist->count >= flist->malloced) {
286 if (flist->malloced < 1000)
287 flist->malloced += 1000;
289 flist->malloced *= 2;
292 new_ptr = realloc_array(flist->files,
293 struct file_struct *,
296 new_ptr = new_array(struct file_struct *,
301 rprintf(FINFO, "[%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 = (struct file_struct **) new_ptr;
310 out_of_memory("flist_expand");
314 void send_file_entry(struct file_struct *file, int f, unsigned short base_flags)
316 unsigned short flags;
317 static time_t modtime;
319 static DEV64_T rdev, rdev_high;
323 static char lastname[MAXPATHLEN];
324 char *fname, fbuf[MAXPATHLEN];
332 modtime = 0, mode = 0;
333 rdev = 0, rdev_high = 0, dev = 0;
339 io_write_phase = "send_file_entry";
341 fname = f_name_to(file, fbuf);
345 if (file->mode == mode)
346 flags |= XMIT_SAME_MODE;
349 if (preserve_devices) {
350 if (protocol_version < 28) {
351 if (IS_DEVICE(mode)) {
352 if (file->u.rdev == rdev) {
353 /* Set both flags to simplify the test
354 * when writing the data. */
355 flags |= XMIT_SAME_RDEV_pre28
356 | XMIT_SAME_HIGH_RDEV;
361 } else if (IS_DEVICE(mode)) {
362 if ((file->u.rdev & ~0xFF) == rdev_high)
363 flags |= XMIT_SAME_HIGH_RDEV;
366 rdev_high = rdev & ~0xFF;
370 if (file->uid == uid)
371 flags |= XMIT_SAME_UID;
374 if (file->gid == gid)
375 flags |= XMIT_SAME_GID;
378 if (file->modtime == modtime)
379 flags |= XMIT_SAME_TIME;
381 modtime = file->modtime;
383 #if SUPPORT_HARD_LINKS
384 if (file->link_u.idev) {
385 if (file->F_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_byte(f, flags);
414 write_byte(f, flags >> 8);
416 write_byte(f, flags);
418 if (!(flags & 0xFF) && !S_ISDIR(mode))
419 flags |= XMIT_TOP_DIR;
421 flags |= XMIT_LONG_NAME;
422 write_byte(f, flags);
424 if (flags & XMIT_SAME_NAME)
426 if (flags & XMIT_LONG_NAME)
430 write_buf(f, fname + l1, l2);
432 write_longint(f, file->length);
433 if (!(flags & XMIT_SAME_TIME))
434 write_int(f, modtime);
435 if (!(flags & XMIT_SAME_MODE))
436 write_int(f, to_wire_mode(mode));
437 if (preserve_uid && !(flags & XMIT_SAME_UID)) {
442 if (preserve_gid && !(flags & XMIT_SAME_GID)) {
447 if (preserve_devices && IS_DEVICE(mode)) {
448 /* If XMIT_SAME_HIGH_RDEV is off, XMIT_SAME_RDEV_pre28 is
450 if (!(flags & XMIT_SAME_HIGH_RDEV))
452 else if (protocol_version >= 28)
457 if (preserve_links && S_ISLNK(mode)) {
458 int len = strlen(file->u.link);
460 write_buf(f, file->u.link, len);
464 #if SUPPORT_HARD_LINKS
465 if (flags & XMIT_HAS_IDEV_DATA) {
466 if (protocol_version < 26) {
467 /* 32-bit dev_t and ino_t */
469 write_int(f, file->F_INODE);
471 /* 64-bit dev_t and ino_t */
472 if (!(flags & XMIT_SAME_DEV))
473 write_longint(f, dev);
474 write_longint(f, file->F_INODE);
479 if (always_checksum) {
483 else if (protocol_version < 28) {
484 /* Prior to 28, we sent a useless set of nulls. */
489 write_buf(f, sum, protocol_version < 21? 2
494 strlcpy(lastname, fname, MAXPATHLEN);
496 io_write_phase = "unknown";
501 void receive_file_entry(struct file_struct **fptr, unsigned short flags, int f)
503 static time_t modtime;
505 static DEV64_T rdev, rdev_high;
509 static char lastname[MAXPATHLEN], *lastdir;
510 static int lastdir_len = -1;
511 char thisname[MAXPATHLEN];
512 unsigned int l1 = 0, l2 = 0;
513 int alloc_len, basename_len, dirname_len, linkname_len, sum_len;
514 int file_struct_len, idev_len;
516 char *basename, *dirname, *bp;
517 struct file_struct *file;
520 modtime = 0, mode = 0;
521 rdev = 0, rdev_high = 0, dev = 0;
527 if (flags & XMIT_SAME_NAME)
530 if (flags & XMIT_LONG_NAME)
535 if (l2 >= MAXPATHLEN - l1) {
537 "overflow: flags=0x%x l1=%d l2=%d lastname=%s\n",
538 flags, l1, l2, lastname);
539 overflow("receive_file_entry");
542 strlcpy(thisname, lastname, l1 + 1);
543 read_sbuf(f, &thisname[l1], l2);
544 thisname[l1 + l2] = 0;
546 strlcpy(lastname, thisname, MAXPATHLEN);
548 clean_fname(thisname);
551 sanitize_path(thisname, NULL);
553 if ((basename = strrchr(thisname, '/')) != NULL) {
554 dirname_len = ++basename - thisname; /* counts future '\0' */
555 if (lastdir_len == dirname_len - 1
556 && strncmp(thisname, lastdir, lastdir_len) == 0) {
558 dirname_len = 0; /* indicates no copy is needed */
566 basename_len = strlen(basename) + 1; /* count the '\0' */
568 file_length = read_longint(f);
569 if (!(flags & XMIT_SAME_TIME))
570 modtime = (time_t)read_int(f);
571 if (!(flags & XMIT_SAME_MODE))
572 mode = from_wire_mode(read_int(f));
574 if (preserve_uid && !(flags & XMIT_SAME_UID))
575 uid = (uid_t)read_int(f);
576 if (preserve_gid && !(flags & XMIT_SAME_GID))
577 gid = (gid_t)read_int(f);
579 if (preserve_devices) {
580 if (protocol_version < 28) {
581 if (IS_DEVICE(mode)) {
582 if (!(flags & XMIT_SAME_RDEV_pre28))
583 rdev = (DEV64_T)read_int(f);
586 } else if (IS_DEVICE(mode)) {
587 if (!(flags & XMIT_SAME_HIGH_RDEV)) {
588 rdev = (DEV64_T)read_int(f);
589 rdev_high = rdev & ~0xFF;
591 rdev = rdev_high | (DEV64_T)read_byte(f);
596 if (preserve_links && S_ISLNK(mode)) {
597 linkname_len = read_int(f) + 1; /* count the '\0' */
598 if (linkname_len <= 0 || linkname_len > MAXPATHLEN) {
599 rprintf(FERROR, "overflow: linkname_len=%d\n",
601 overflow("receive_file_entry");
608 #if SUPPORT_HARD_LINKS
609 if (preserve_hard_links && protocol_version < 28 && S_ISREG(mode))
610 flags |= XMIT_HAS_IDEV_DATA;
611 if (flags & XMIT_HAS_IDEV_DATA)
612 idev_len = sizeof (struct idev);
617 sum_len = always_checksum && S_ISREG(mode) ? MD4_SUM_LENGTH : 0;
618 file_struct_len = idev_len? sizeof file[0] : min_file_struct_len;
620 alloc_len = file_struct_len + dirname_len + basename_len
621 + linkname_len + sum_len + idev_len;
622 if (!(bp = new_array(char, alloc_len)))
623 out_of_memory("receive_file_entry");
624 file = *fptr = (struct file_struct *)bp;
625 memset(bp, 0, min_file_struct_len);
626 bp += file_struct_len;
628 file->flags = flags & XMIT_TOP_DIR ? FLAG_TOP_DIR : 0;
629 file->modtime = modtime;
630 file->length = file_length;
635 #if SUPPORT_HARD_LINKS
637 file->link_u.idev = (struct idev *)bp;
643 file->dirname = lastdir = bp;
644 lastdir_len = dirname_len - 1;
645 memcpy(bp, dirname, dirname_len - 1);
649 file->dirname = dirname;
652 memcpy(bp, basename, basename_len);
655 if (preserve_devices && IS_DEVICE(mode))
661 read_sbuf(f, bp, linkname_len - 1);
663 sanitize_path(bp, lastdir);
668 #if SUPPORT_HARD_LINKS
670 if (protocol_version < 26) {
672 file->F_INODE = read_int(f);
674 if (!(flags & XMIT_SAME_DEV))
675 dev = read_longint(f);
676 file->F_INODE = read_longint(f);
682 if (always_checksum) {
685 file->u.sum = sum = bp;
687 } else if (protocol_version < 28) {
688 /* Prior to 28, we get a useless set of nulls. */
693 read_buf(f, sum, protocol_version < 21? 2
698 if (!preserve_perms) {
699 extern int orig_umask;
700 /* set an appropriate set of permissions based on original
701 * permissions and umask. This emulates what GNU cp does */
702 file->mode &= ~orig_umask;
708 * Create a file_struct for a named file by reading its stat()
709 * information and performing extensive checks against global
712 * @return the new file, or NULL if there was an error or this file
713 * should be excluded.
715 * @todo There is a small optimization opportunity here to avoid
716 * stat()ing the file in some circumstances, which has a certain cost.
717 * We are called immediately after doing readdir(), and so we may
718 * already know the d_type of the file. We could for example avoid
719 * statting directories if we're not recursing, but this is not a very
720 * important case. Some systems may not have d_type.
722 struct file_struct *make_file(char *fname, int exclude_level)
724 static char *lastdir;
725 static int lastdir_len = -1;
726 struct file_struct *file;
728 char sum[SUM_LENGTH];
729 char thisname[MAXPATHLEN];
730 char linkname[MAXPATHLEN];
731 int alloc_len, basename_len, dirname_len, linkname_len, sum_len;
732 int file_struct_len, idev_len;
733 char *basename, *dirname, *bp;
734 unsigned short flags = 0;
736 if (strlcpy(thisname, fname, sizeof thisname)
737 >= sizeof thisname - flist_dir_len) {
738 rprintf(FINFO, "skipping overly long name: %s\n", fname);
741 clean_fname(thisname);
743 sanitize_path(thisname, NULL);
745 memset(sum, 0, SUM_LENGTH);
747 if (readlink_stat(thisname, &st, linkname) != 0) {
748 int save_errno = errno;
749 if (errno == ENOENT && exclude_level != NO_EXCLUDES) {
750 /* either symlink pointing nowhere or file that
751 * was removed during rsync run; see if excluded
752 * before reporting an error */
753 if (check_exclude_file(thisname, 0, exclude_level)) {
754 /* file is excluded anyway, ignore silently */
758 io_error |= IOERR_GENERAL;
759 rprintf(FERROR, "readlink %s failed: %s\n",
760 full_fname(thisname), strerror(save_errno));
764 /* backup.c calls us with exclude_level set to NO_EXCLUDES. */
765 if (exclude_level == NO_EXCLUDES)
768 if (S_ISDIR(st.st_mode) && !recurse && !files_from) {
769 rprintf(FINFO, "skipping directory %s\n", thisname);
773 /* We only care about directories because we need to avoid recursing
774 * into a mount-point directory, not to avoid copying a symlinked
775 * file if -L (or similar) was specified. */
776 if (one_file_system && st.st_dev != filesystem_dev
777 && S_ISDIR(st.st_mode))
778 flags |= FLAG_MOUNT_POINT;
780 if (check_exclude_file(thisname, S_ISDIR(st.st_mode) != 0, exclude_level))
783 if (lp_ignore_nonreadable(module_id) && access(thisname, R_OK) != 0)
789 rprintf(FINFO, "[%s] make_file(%s,*,%d)\n",
790 who_am_i(), thisname, exclude_level);
793 if ((basename = strrchr(thisname, '/')) != NULL) {
794 dirname_len = ++basename - thisname; /* counts future '\0' */
795 if (lastdir_len == dirname_len - 1
796 && strncmp(thisname, lastdir, lastdir_len) == 0) {
798 dirname_len = 0; /* indicates no copy is needed */
806 basename_len = strlen(basename) + 1; /* count the '\0' */
809 linkname_len = S_ISLNK(st.st_mode) ? strlen(linkname) + 1 : 0;
814 #if SUPPORT_HARD_LINKS
815 if (preserve_hard_links) {
816 if (protocol_version < 28) {
817 if (S_ISREG(st.st_mode))
818 idev_len = sizeof (struct idev);
822 if (!S_ISDIR(st.st_mode) && st.st_nlink > 1)
823 idev_len = sizeof (struct idev);
831 sum_len = always_checksum && S_ISREG(st.st_mode) ? MD4_SUM_LENGTH : 0;
832 file_struct_len = idev_len? sizeof file[0] : min_file_struct_len;
834 alloc_len = file_struct_len + dirname_len + basename_len
835 + linkname_len + sum_len + idev_len;
836 if (!(bp = new_array(char, alloc_len)))
837 out_of_memory("receive_file_entry");
838 file = (struct file_struct *)bp;
839 memset(bp, 0, min_file_struct_len);
840 bp += file_struct_len;
843 file->modtime = st.st_mtime;
844 file->length = st.st_size;
845 file->mode = st.st_mode;
846 file->uid = st.st_uid;
847 file->gid = st.st_gid;
849 #if SUPPORT_HARD_LINKS
851 file->link_u.idev = (struct idev *)bp;
853 file->F_DEV = st.st_dev;
854 file->F_INODE = st.st_ino;
859 file->dirname = lastdir = bp;
860 lastdir_len = dirname_len - 1;
861 memcpy(bp, dirname, dirname_len - 1);
865 file->dirname = dirname;
868 memcpy(bp, basename, basename_len);
871 #ifdef HAVE_STRUCT_STAT_ST_RDEV
872 if (preserve_devices && IS_DEVICE(st.st_mode))
873 file->u.rdev = st.st_rdev;
879 memcpy(bp, linkname, linkname_len);
886 file_checksum(thisname, bp, st.st_size);
890 file->basedir = flist_dir;
892 if (!S_ISDIR(st.st_mode))
893 stats.total_size += st.st_size;
899 void send_file_name(int f, struct file_list *flist, char *fname,
900 int recursive, unsigned short base_flags)
902 struct file_struct *file;
903 char fbuf[MAXPATHLEN];
904 extern int delete_excluded;
906 /* f is set to -1 when calculating deletion file list */
907 file = make_file(fname,
908 f == -1 && delete_excluded? SERVER_EXCLUDES
914 maybe_emit_filelist_progress(flist);
919 file->flags |= FLAG_TOP_DIR;
921 if (file->basename[0]) {
922 flist->files[flist->count++] = file;
923 send_file_entry(file, f, base_flags);
926 if (recursive && S_ISDIR(file->mode)
927 && !(file->flags & FLAG_MOUNT_POINT)) {
928 struct exclude_struct **last_exclude_list = local_exclude_list;
929 send_directory(f, flist, f_name_to(file, fbuf));
930 local_exclude_list = last_exclude_list;
936 static void send_directory(int f, struct file_list *flist, char *dir)
940 char fname[MAXPATHLEN];
946 io_error |= IOERR_GENERAL;
947 rprintf(FERROR, "opendir %s failed: %s\n",
948 full_fname(dir), strerror(errno));
952 offset = strlcpy(fname, dir, MAXPATHLEN);
954 if (offset >= MAXPATHLEN || p[-1] != '/') {
955 if (offset >= MAXPATHLEN - 1) {
956 io_error |= IOERR_GENERAL;
957 rprintf(FERROR, "skipping long-named directory: %s\n",
966 local_exclude_list = NULL;
969 if (strlcpy(p, ".cvsignore", MAXPATHLEN - offset)
970 < MAXPATHLEN - offset)
971 add_exclude_file(&local_exclude_list,fname,MISSING_OK,ADD_EXCLUDE);
973 io_error |= IOERR_GENERAL;
975 "cannot cvs-exclude in long-named directory %s\n",
980 for (errno = 0, di = readdir(d); di; errno = 0, di = readdir(d)) {
981 char *dname = d_name(di);
982 if (dname[0] == '.' && (dname[1] == '\0'
983 || (dname[1] == '.' && dname[2] == '\0')))
985 if (strlcpy(p, dname, MAXPATHLEN - offset) < MAXPATHLEN - offset)
986 send_file_name(f, flist, fname, recurse, 0);
988 io_error |= IOERR_GENERAL;
990 "cannot send long-named file %s\n",
995 io_error |= IOERR_GENERAL;
996 rprintf(FERROR, "readdir(%s): (%d) %s\n",
997 dir, errno, strerror(errno));
1000 if (local_exclude_list)
1001 free_exclude_list(&local_exclude_list); /* Zeros pointer too */
1008 * The delete_files() function in receiver.c sets f to -1 so that we just
1009 * construct the file list in memory without sending it over the wire. It
1010 * also has the side-effect of ignoring user-excludes if delete_excluded
1011 * is set (so that the delete list includes user-excluded files).
1013 struct file_list *send_file_list(int f, int argc, char *argv[])
1017 char *p, *dir, olddir[sizeof curr_dir];
1018 char lastpath[MAXPATHLEN] = "";
1019 struct file_list *flist;
1023 if (show_filelist_p() && f != -1)
1024 start_filelist_progress("building file list");
1026 start_write = stats.total_written;
1028 flist = flist_new();
1031 io_start_buffering_out(f);
1032 if (filesfrom_fd >= 0) {
1033 if (argv[0] && !push_dir(argv[0])) {
1034 rprintf(FERROR, "push_dir %s failed: %s\n",
1035 full_fname(argv[0]), strerror(errno));
1036 exit_cleanup(RERR_FILESELECT);
1043 char fname2[MAXPATHLEN];
1044 char *fname = fname2;
1047 if (read_filesfrom_line(filesfrom_fd, fname) == 0)
1049 sanitize_path(fname, NULL);
1053 strlcpy(fname, *argv++, MAXPATHLEN);
1055 sanitize_path(fname, NULL);
1059 if (fname[l - 1] == '/') {
1060 if (l == 2 && fname[0] == '.') {
1061 /* Turn "./" into just "." rather than "./." */
1063 } else if (l < MAXPATHLEN) {
1069 if (link_stat(fname, &st) != 0) {
1071 io_error |= IOERR_GENERAL;
1072 rprintf(FERROR, "link_stat %s failed: %s\n",
1073 full_fname(fname), strerror(errno));
1078 if (S_ISDIR(st.st_mode) && !recurse && !files_from) {
1079 rprintf(FINFO, "skipping directory %s\n", fname);
1086 if (!relative_paths) {
1087 p = strrchr(fname, '/');
1096 } else if (f != -1 && implied_dirs && (p=strrchr(fname,'/')) && p != fname) {
1097 /* this ensures we send the intermediate directories,
1098 thus getting their permissions right */
1099 char *lp = lastpath, *fn = fname, *slash = fname;
1101 /* Skip any initial directories in our path that we
1102 * have in common with lastpath. */
1103 while (*fn && *lp == *fn) {
1109 if (fn != p || (*lp && *lp != '/')) {
1110 int copy_links_saved = copy_links;
1111 int recurse_saved = recurse;
1112 copy_links = copy_unsafe_links;
1113 /* set recurse to 1 to prevent make_file
1114 * from ignoring directory, but still
1115 * turn off the recursive parameter to
1118 while ((slash = strchr(slash+1, '/')) != 0) {
1120 send_file_name(f, flist, fname, 0, 0);
1123 copy_links = copy_links_saved;
1124 recurse = recurse_saved;
1126 strlcpy(lastpath, fname, sizeof lastpath);
1135 static char *lastdir;
1136 static int lastdir_len;
1138 strcpy(olddir, curr_dir); /* can't overflow */
1140 if (!push_dir(dir)) {
1141 io_error |= IOERR_GENERAL;
1142 rprintf(FERROR, "push_dir %s failed: %s\n",
1143 full_fname(dir), strerror(errno));
1147 if (lastdir && strcmp(lastdir, dir) == 0) {
1148 flist_dir = lastdir;
1149 flist_dir_len = lastdir_len;
1151 flist_dir = lastdir = strdup(dir);
1152 flist_dir_len = lastdir_len = strlen(dir);
1156 if (one_file_system)
1157 set_filesystem(fname);
1159 send_file_name(f, flist, fname, recurse, XMIT_TOP_DIR);
1164 if (!pop_dir(olddir)) {
1165 rprintf(FERROR, "pop_dir %s failed: %s\n",
1166 full_fname(dir), strerror(errno));
1167 exit_cleanup(RERR_FILESELECT);
1173 send_file_entry(NULL, f, 0);
1175 if (show_filelist_p())
1176 finish_filelist_progress(flist);
1179 clean_flist(flist, 0, 0);
1182 /* Now send the uid/gid list. This was introduced in
1183 * protocol version 15 */
1186 /* send the io_error flag */
1187 write_int(f, lp_ignore_errors(module_id) ? 0 : io_error);
1190 stats.flist_size = stats.total_written - start_write;
1191 stats.num_files = flist->count;
1193 write_batch_flist_info(flist->count, flist->files);
1197 output_flist(flist);
1200 rprintf(FINFO, "send_file_list done\n");
1206 struct file_list *recv_file_list(int f)
1208 struct file_list *flist;
1209 unsigned short flags;
1211 extern int list_only;
1213 if (show_filelist_p())
1214 start_filelist_progress("receiving file list");
1216 start_read = stats.total_read;
1218 flist = new(struct file_list);
1223 flist->malloced = 1000;
1224 flist->files = new_array(struct file_struct *, flist->malloced);
1229 while ((flags = read_byte(f)) != 0) {
1230 int i = flist->count;
1232 flist_expand(flist);
1234 if (protocol_version >= 28 && (flags & XMIT_EXTENDED_FLAGS))
1235 flags |= read_byte(f) << 8;
1236 receive_file_entry(&flist->files[i], flags, f);
1238 if (S_ISREG(flist->files[i]->mode))
1239 stats.total_size += flist->files[i]->length;
1243 maybe_emit_filelist_progress(flist);
1246 rprintf(FINFO, "recv_file_name(%s)\n",
1247 f_name(flist->files[i]));
1250 receive_file_entry(NULL, 0, 0); /* Signal that we're done. */
1253 rprintf(FINFO, "received %d names\n", flist->count);
1255 if (show_filelist_p())
1256 finish_filelist_progress(flist);
1258 clean_flist(flist, relative_paths, 1);
1261 /* Now send the uid/gid list. This was introduced in
1262 * protocol version 15 */
1263 recv_uid_list(f, flist);
1266 /* Recv the io_error flag */
1267 if (lp_ignore_errors(module_id) || ignore_errors)
1270 io_error |= read_int(f);
1275 output_flist(flist);
1279 for (i = 0; i < flist->count; i++)
1280 list_file_entry(flist->files[i]);
1284 rprintf(FINFO, "recv_file_list done\n");
1286 stats.flist_size = stats.total_read - start_read;
1287 stats.num_files = flist->count;
1292 out_of_memory("recv_file_list");
1293 return NULL; /* not reached */
1297 int file_compare(struct file_struct **file1, struct file_struct **file2)
1299 struct file_struct *f1 = *file1;
1300 struct file_struct *f2 = *file2;
1302 if (!f1->basename && !f2->basename)
1308 if (f1->dirname == f2->dirname)
1309 return u_strcmp(f1->basename, f2->basename);
1310 return f_name_cmp(f1, f2);
1314 int flist_find(struct file_list *flist, struct file_struct *f)
1316 int low = 0, high = flist->count - 1;
1318 while (high >= 0 && !flist->files[high]->basename) high--;
1323 while (low != high) {
1324 int mid = (low + high) / 2;
1325 int ret = file_compare(&flist->files[flist_up(flist, mid)],&f);
1327 return flist_up(flist, mid);
1334 if (file_compare(&flist->files[flist_up(flist, low)], &f) == 0)
1335 return flist_up(flist, low);
1341 * Free up any resources a file_struct has allocated, and optionally free
1344 void free_file(struct file_struct *file, int free_the_struct)
1346 if (free_the_struct)
1349 memset(file, 0, min_file_struct_len);
1354 * allocate a new file list
1356 struct file_list *flist_new(void)
1358 struct file_list *flist;
1360 flist = new(struct file_list);
1362 out_of_memory("send_file_list");
1365 flist->malloced = 0;
1366 flist->files = NULL;
1372 * free up all elements in a flist
1374 void flist_free(struct file_list *flist)
1377 for (i = 1; i < flist->count; i++)
1378 free_file(flist->files[i], FREE_STRUCT);
1385 * This routine ensures we don't have any duplicate names in our file list.
1386 * duplicate names can cause corruption because of the pipelining
1388 static void clean_flist(struct file_list *flist, int strip_root, int no_dups)
1392 if (!flist || flist->count == 0)
1395 qsort(flist->files, flist->count,
1396 sizeof flist->files[0], (int (*)()) file_compare);
1398 for (i = no_dups? 0 : flist->count; i < flist->count; i++) {
1399 if (flist->files[i]->basename) {
1404 while (++i < flist->count) {
1405 if (!flist->files[i]->basename)
1407 if (f_name_cmp(flist->files[i], flist->files[prev_i]) == 0) {
1408 if (verbose > 1 && !am_server) {
1410 "removing duplicate name %s from file list %d\n",
1411 f_name(flist->files[i]), i);
1413 /* Make sure that if we unduplicate '.', that we don't
1414 * lose track of a user-specified starting point (or
1415 * else deletions will mysteriously fail with -R). */
1416 if (flist->files[i]->flags & FLAG_TOP_DIR)
1417 flist->files[prev_i]->flags |= FLAG_TOP_DIR;
1418 free_file(flist->files[i], CLEAR_STRUCT);
1424 /* we need to strip off the root directory in the case
1425 of relative paths, but this must be done _after_
1426 the sorting phase */
1427 for (i = 0; i < flist->count; i++) {
1428 if (flist->files[i]->dirname &&
1429 flist->files[i]->dirname[0] == '/') {
1430 memmove(&flist->files[i]->dirname[0],
1431 &flist->files[i]->dirname[1],
1432 strlen(flist->files[i]->dirname));
1435 if (flist->files[i]->dirname &&
1436 !flist->files[i]->dirname[0]) {
1437 flist->files[i]->dirname = NULL;
1443 static void output_flist(struct file_list *flist)
1445 char uidbuf[16], gidbuf[16];
1446 struct file_struct *file;
1449 for (i = 0; i < flist->count; i++) {
1450 file = flist->files[i];
1451 if (am_root && preserve_uid)
1452 sprintf(uidbuf, " uid=%ld", (long)file->uid);
1455 if (preserve_gid && file->gid != GID_NONE)
1456 sprintf(gidbuf, " gid=%ld", (long)file->gid);
1459 rprintf(FINFO, "[%s] i=%d %s %s %s mode=0%o len=%.0f%s%s\n",
1460 who_am_i(), i, NS(file->basedir), NS(file->dirname),
1461 NS(file->basename), (int) file->mode,
1462 (double) file->length, uidbuf, gidbuf);
1467 enum fnc_state { fnc_DIR, fnc_SLASH, fnc_BASE };
1469 /* Compare the names of two file_struct entities, just like strcmp()
1470 * would do if it were operating on the joined strings. We assume
1471 * that there are no 0-length strings.
1473 int f_name_cmp(struct file_struct *f1, struct file_struct *f2)
1476 const uchar *c1, *c2;
1477 enum fnc_state state1, state2;
1479 if (!f1 || !f1->basename) {
1480 if (!f2 || !f2->basename)
1484 if (!f2 || !f2->basename)
1487 if (!(c1 = (uchar*)f1->dirname)) {
1489 c1 = (uchar*)f1->basename;
1492 if (!(c2 = (uchar*)f2->dirname)) {
1494 c2 = (uchar*)f2->basename;
1499 if ((dif = (int)*c1 - (int)*c2) != 0)
1509 c1 = (uchar*)f1->basename;
1523 c2 = (uchar*)f2->basename;
1537 /* Return a copy of the full filename of a flist entry, using the indicated
1538 * buffer. No size-checking is done because we checked the size when creating
1539 * the file_struct entry.
1541 char *f_name_to(struct file_struct *f, char *fbuf)
1543 if (!f || !f->basename)
1547 int len = strlen(f->dirname);
1548 memcpy(fbuf, f->dirname, len);
1550 strcpy(fbuf + len + 1, f->basename);
1552 strcpy(fbuf, f->basename);
1557 /* Like f_name_to(), but we rotate through 5 static buffers of our own.
1559 char *f_name(struct file_struct *f)
1561 static char names[5][MAXPATHLEN];
1562 static unsigned int n;
1564 n = (n + 1) % (sizeof names / sizeof names[0]);
1566 return f_name_to(f, names[n]);