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 * @todo Get rid of the string_area optimization. Efficiently
25 * allocating blocks is the responsibility of the system's malloc
26 * library, not of rsync.
28 * @sa http://lists.samba.org/pipermail/rsync/2000-June/002351.html
34 extern struct stats stats;
37 extern int do_progress;
39 extern int always_checksum;
41 extern int cvs_exclude;
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 struct file_struct null_file;
73 static char empty_sum[MD4_SUM_LENGTH];
75 static void clean_flist(struct file_list *flist, int strip_root, int no_dups);
78 static int show_filelist_p(void)
80 return verbose && (recurse || files_from) && !am_server;
83 static void start_filelist_progress(char *kind)
85 rprintf(FINFO, "%s ... ", kind);
86 if ((verbose > 1) || do_progress)
92 static void emit_filelist_progress(const struct file_list *flist)
94 rprintf(FINFO, " %d files...\r", flist->count);
98 static void maybe_emit_filelist_progress(const struct file_list *flist)
100 if (do_progress && show_filelist_p() && ((flist->count % 100) == 0))
101 emit_filelist_progress(flist);
105 static void finish_filelist_progress(const struct file_list *flist)
108 /* This overwrites the progress line */
109 rprintf(FINFO, "%d file%sto consider\n",
110 flist->count, flist->count == 1 ? " " : "s ");
112 rprintf(FINFO, "done\n");
115 void show_flist_stats(void)
121 static struct string_area *string_area_new(int size)
123 struct string_area *a;
127 a = new(struct string_area);
129 out_of_memory("string_area_new");
130 a->current = a->base = new_array(char, size);
132 out_of_memory("string_area_new buffer");
133 a->end = a->base + size;
139 static void string_area_free(struct string_area *a)
141 struct string_area *next;
143 for (; a; a = next) {
149 static char *string_area_malloc(struct string_area **ap, int size)
152 struct string_area *a;
154 /* does the request fit into the current space? */
156 if (a->current + size >= a->end) {
157 /* no; get space, move new string_area to front of the list */
158 a = string_area_new(size > ARENA_SIZE ? size : ARENA_SIZE);
163 /* have space; do the "allocation." */
169 static char *string_area_strdup(struct string_area **ap, const char *src)
171 char *dest = string_area_malloc(ap, strlen(src) + 1);
172 return strcpy(dest, src);
175 static void list_file_entry(struct file_struct *f)
180 /* this can happen if duplicate names were removed */
183 permstring(perms, f->mode);
185 if (preserve_links && S_ISLNK(f->mode)) {
186 rprintf(FINFO, "%s %11.0f %s %s -> %s\n",
188 (double) f->length, timestring(f->modtime),
191 rprintf(FINFO, "%s %11.0f %s %s\n",
193 (double) f->length, timestring(f->modtime),
200 * Stat either a symlink or its referent, depending on the settings of
201 * copy_links, copy_unsafe_links, etc.
203 * @retval -1 on error
205 * @retval 0 for success
207 * @post If @p path is a symlink, then @p linkbuf (of size @c
208 * MAXPATHLEN) contains the symlink target.
210 * @post @p buffer contains information about the link or the
211 * referrent as appropriate, if they exist.
213 int readlink_stat(const char *path, STRUCT_STAT *buffer, char *linkbuf)
217 return do_stat(path, buffer);
218 if (do_lstat(path, buffer) == -1)
220 if (S_ISLNK(buffer->st_mode)) {
221 int l = readlink((char *) path, linkbuf, MAXPATHLEN - 1);
225 if (copy_unsafe_links && unsafe_symlink(linkbuf, path)) {
227 rprintf(FINFO,"copying unsafe symlink \"%s\" -> \"%s\"\n",
230 return do_stat(path, buffer);
235 return do_stat(path, buffer);
239 int link_stat(const char *path, STRUCT_STAT * buffer)
243 return do_stat(path, buffer);
244 return do_lstat(path, buffer);
246 return do_stat(path, buffer);
251 * This function is used to check if a file should be included/excluded
252 * from the list of files based on its name and type etc. The value of
253 * exclude_level is set to either SERVER_EXCLUDES or ALL_EXCLUDES.
255 static int check_exclude_file(char *fname, int is_dir, int exclude_level)
257 #if 0 /* This currently never happens, so avoid a useless compare. */
258 if (exclude_level == NO_EXCLUDES)
262 /* never exclude '.', even if somebody does --exclude '*' */
263 if (fname[0] == '.' && !fname[1])
265 /* Handle the -R version of the '.' dir. */
266 if (fname[0] == '/') {
267 int len = strlen(fname);
268 if (fname[len-1] == '.' && fname[len-2] == '/')
272 if (server_exclude_list
273 && check_exclude(server_exclude_list, fname, is_dir))
275 if (exclude_level != ALL_EXCLUDES)
277 if (exclude_list && check_exclude(exclude_list, fname, is_dir))
279 if (local_exclude_list
280 && check_exclude(local_exclude_list, fname, is_dir))
285 /* used by the one_file_system code */
286 static dev_t filesystem_dev;
288 static void set_filesystem(char *fname)
291 if (link_stat(fname, &st) != 0)
293 filesystem_dev = st.st_dev;
297 static int to_wire_mode(mode_t mode)
299 if (S_ISLNK(mode) && (_S_IFLNK != 0120000))
300 return (mode & ~(_S_IFMT)) | 0120000;
304 static mode_t from_wire_mode(int mode)
306 if ((mode & (_S_IFMT)) == 0120000 && (_S_IFLNK != 0120000))
307 return (mode & ~(_S_IFMT)) | _S_IFLNK;
308 return (mode_t) mode;
312 static void send_directory(int f, struct file_list *flist, char *dir);
314 static char *flist_dir;
318 * Make sure @p flist is big enough to hold at least @p flist->count
321 static void flist_expand(struct file_list *flist)
323 if (flist->count >= flist->malloced) {
326 if (flist->malloced < 1000)
327 flist->malloced += 1000;
329 flist->malloced *= 2;
332 new_ptr = realloc_array(flist->files,
333 struct file_struct *,
336 new_ptr = new_array(struct file_struct *,
341 rprintf(FINFO, "expand file_list to %.0f bytes, did%s move\n",
342 (double)sizeof(flist->files[0])
344 (new_ptr == flist->files) ? " not" : "");
347 flist->files = (struct file_struct **) new_ptr;
350 out_of_memory("flist_expand");
354 /* These vars are used by both send_file_entry() and receive_file_entry()
355 * (but just one at a time). They have been placed outside these functions
356 * so that we can reset the values when the batch-processing wants to make
357 * extra use of these functions (which needs to start from a known state). */
358 static time_t modtime;
360 static DEV64_T rdev; /* just high bytes in p28 onward */
364 static char lastname[MAXPATHLEN];
366 void reset_file_entry_vars(void)
377 void send_file_entry(struct file_struct *file, int f, unsigned short base_flags)
379 unsigned short flags;
380 char *fname, fbuf[MAXPATHLEN];
391 io_write_phase = "send_file_entry";
393 fname = f_name_to(file, fbuf, sizeof fbuf);
397 if (file->mode == mode)
401 if (preserve_devices) {
402 if (protocol_version < 28) {
403 if (IS_DEVICE(mode) && file->rdev == rdev) {
404 /* Set both flags so that the test when
405 * writing the data is simpler. */
406 flags |= SAME_RDEV_pre28|SAME_HIGH_RDEV;
411 else if (IS_DEVICE(mode)) {
412 if ((file->rdev & ~0xFF) == rdev)
413 flags |= SAME_HIGH_RDEV;
415 rdev = file->rdev & ~0xFF;
418 if (file->uid == uid)
422 if (file->gid == gid)
426 if (file->modtime == modtime)
429 modtime = file->modtime;
430 if (file->flags & HAS_INODE_DATA) {
431 if (file->dev == dev) {
432 if (protocol_version >= 28)
437 flags |= HAS_INODE_DATA;
441 lastname[l1] && (fname[l1] == lastname[l1]) && (l1 < 255);
443 l2 = strlen(fname) - l1;
450 /* We must make sure we don't send a zero flags byte or
451 * the other end will terminate the flist transfer. */
452 if (flags == 0 && !S_ISDIR(mode))
453 flags |= FLAG_DELETE; /* NOTE: no meaning for non-dir */
454 if (protocol_version >= 28) {
455 if ((flags & 0xFF00) || flags == 0) {
456 flags |= EXTENDED_FLAGS;
457 write_byte(f, flags);
458 write_byte(f, flags >> 8);
460 write_byte(f, flags);
464 write_byte(f, flags);
466 if (flags & SAME_NAME)
468 if (flags & LONG_NAME)
472 write_buf(f, fname + l1, l2);
474 write_longint(f, file->length);
475 if (!(flags & SAME_TIME))
476 write_int(f, modtime);
477 if (!(flags & SAME_MODE))
478 write_int(f, to_wire_mode(mode));
479 if (preserve_uid && !(flags & SAME_UID)) {
483 if (preserve_gid && !(flags & SAME_GID)) {
487 if (preserve_devices && IS_DEVICE(mode)) {
488 /* If SAME_HIGH_RDEV is off, SAME_RDEV_pre28 is also off.
489 * Also, avoid using "rdev" because it may be incomplete. */
490 if (!(flags & SAME_HIGH_RDEV))
491 write_int(f, file->rdev);
492 else if (protocol_version >= 28)
493 write_byte(f, file->rdev);
497 if (preserve_links && S_ISLNK(mode)) {
498 write_int(f, strlen(file->link));
499 write_buf(f, file->link, strlen(file->link));
503 #if SUPPORT_HARD_LINKS
504 if (flags & HAS_INODE_DATA) {
505 if (protocol_version < 26) {
506 /* 32-bit dev_t and ino_t */
508 write_int(f, file->inode);
510 /* 64-bit dev_t and ino_t */
511 if (!(flags & SAME_DEV))
512 write_longint(f, dev);
513 write_longint(f, file->inode);
518 if (always_checksum && (protocol_version < 28 || S_ISREG(mode))) {
519 char *sum = file->sum? file->sum : empty_sum;
520 write_buf(f, sum, protocol_version < 21? 2
524 strlcpy(lastname, fname, MAXPATHLEN);
525 lastname[MAXPATHLEN - 1] = 0;
527 io_write_phase = "unknown";
532 void receive_file_entry(struct file_struct **fptr, unsigned short flags, int f)
534 char thisname[MAXPATHLEN];
535 unsigned int l1 = 0, l2 = 0;
537 struct file_struct *file;
539 if (flags & SAME_NAME)
542 if (flags & LONG_NAME)
547 file = new(struct file_struct);
549 out_of_memory("receive_file_entry");
550 memset((char *) file, 0, sizeof(*file));
553 if (l2 >= MAXPATHLEN - l1) {
555 "overflow: flags=0x%x l1=%d l2=%d lastname=%s\n",
556 flags, l1, l2, lastname);
557 overflow("receive_file_entry");
560 strlcpy(thisname, lastname, l1 + 1);
561 read_sbuf(f, &thisname[l1], l2);
562 thisname[l1 + l2] = 0;
564 strlcpy(lastname, thisname, MAXPATHLEN);
565 lastname[MAXPATHLEN - 1] = 0;
567 clean_fname(thisname);
569 if (sanitize_paths) {
570 sanitize_path(thisname, NULL);
573 if ((p = strrchr(thisname, '/'))) {
574 static char *lastdir;
576 if (lastdir && strcmp(thisname, lastdir) == 0)
577 file->dirname = lastdir;
579 file->dirname = strdup(thisname);
580 lastdir = file->dirname;
582 file->basename = strdup(p + 1);
584 file->dirname = NULL;
585 file->basename = strdup(thisname);
589 out_of_memory("receive_file_entry 1");
592 file->length = read_longint(f);
593 if (!(flags & SAME_TIME))
594 modtime = (time_t)read_int(f);
595 file->modtime = modtime;
596 if (!(flags & SAME_MODE))
597 mode = from_wire_mode(read_int(f));
601 if (!(flags & SAME_UID))
602 uid = (uid_t)read_int(f);
606 if (!(flags & SAME_GID))
607 gid = (gid_t)read_int(f);
610 if (preserve_devices) {
611 if (protocol_version < 28) {
612 if (IS_DEVICE(mode)) {
613 if (!(flags & SAME_RDEV_pre28))
614 rdev = (DEV64_T)read_int(f);
618 } else if (IS_DEVICE(mode)) {
619 if (!(flags & SAME_HIGH_RDEV)) {
620 file->rdev = (DEV64_T)read_int(f);
621 rdev = file->rdev & ~0xFF;
623 file->rdev = rdev | (DEV64_T)read_byte(f);
627 if (preserve_links && S_ISLNK(mode)) {
630 rprintf(FERROR, "overflow: l=%d\n", l);
631 overflow("receive_file_entry");
633 file->link = new_array(char, l + 1);
635 out_of_memory("receive_file_entry 2");
636 read_sbuf(f, file->link, l);
638 sanitize_path(file->link, file->dirname);
640 #if SUPPORT_HARD_LINKS
641 if (preserve_hard_links && protocol_version < 28
643 file->flags |= HAS_INODE_DATA;
644 if (file->flags & HAS_INODE_DATA) {
645 if (protocol_version < 26) {
647 file->inode = read_int(f);
649 if (!(flags & SAME_DEV))
650 dev = read_longint(f);
651 file->inode = read_longint(f);
657 if (always_checksum) {
660 sum = file->sum = new_array(char, MD4_SUM_LENGTH);
662 out_of_memory("md4 sum");
663 } else if (protocol_version < 28) {
664 /* Prior to 28, we get a useless set of nulls. */
669 read_buf(f, sum, protocol_version < 21? 2
674 if (!preserve_perms) {
675 extern int orig_umask;
676 /* set an appropriate set of permissions based on original
677 * permissions and umask. This emulates what GNU cp does */
678 file->mode &= ~orig_umask;
683 /* determine if a file in a different filesstem should be skipped
684 when one_file_system is set. We bascally only want to include
685 the mount points - but they can be hard to find! */
686 static int skip_filesystem(char *fname, STRUCT_STAT * st)
689 char *p = strrchr(fname, '/');
691 /* skip all but directories */
692 if (!S_ISDIR(st->st_mode))
695 /* if its not a subdirectory then allow */
700 if (link_stat(fname, &st2)) {
706 return (st2.st_dev != filesystem_dev);
709 #define STRDUP(ap, p) (ap ? string_area_strdup(ap, p) : strdup(p))
710 /* IRIX cc cares that the operands to the ternary have the same type. */
711 #define MALLOC(ap, i) (ap ? (void*) string_area_malloc(ap, i) : malloc(i))
714 * Create a file_struct for a named file by reading its stat()
715 * information and performing extensive checks against global
718 * @return the new file, or NULL if there was an error or this file
719 * should be excluded.
721 * @todo There is a small optimization opportunity here to avoid
722 * stat()ing the file in some circumstances, which has a certain cost.
723 * We are called immediately after doing readdir(), and so we may
724 * already know the d_type of the file. We could for example avoid
725 * statting directories if we're not recursing, but this is not a very
726 * important case. Some systems may not have d_type.
728 struct file_struct *make_file(char *fname, struct string_area **ap,
731 struct file_struct *file;
733 char sum[SUM_LENGTH];
735 char cleaned_name[MAXPATHLEN];
736 char linkbuf[MAXPATHLEN];
737 extern int module_id;
739 strlcpy(cleaned_name, fname, MAXPATHLEN);
740 cleaned_name[MAXPATHLEN - 1] = 0;
741 clean_fname(cleaned_name);
743 sanitize_path(cleaned_name, NULL);
744 fname = cleaned_name;
746 memset(sum, 0, SUM_LENGTH);
748 if (readlink_stat(fname, &st, linkbuf) != 0) {
749 int save_errno = errno;
750 if (errno == ENOENT && exclude_level != NO_EXCLUDES) {
751 /* either symlink pointing nowhere or file that
752 * was removed during rsync run; see if excluded
753 * before reporting an error */
754 if (check_exclude_file(fname, 0, exclude_level)) {
755 /* file is excluded anyway, ignore silently */
759 io_error |= IOERR_GENERAL;
760 rprintf(FERROR, "readlink %s failed: %s\n",
761 full_fname(fname), strerror(save_errno));
765 /* backup.c calls us with exclude_level set to NO_EXCLUDES. */
766 if (exclude_level == NO_EXCLUDES)
769 if (S_ISDIR(st.st_mode) && !recurse && !files_from) {
770 rprintf(FINFO, "skipping directory %s\n", fname);
774 if (one_file_system && st.st_dev != filesystem_dev) {
775 if (skip_filesystem(fname, &st))
779 if (check_exclude_file(fname, S_ISDIR(st.st_mode) != 0, exclude_level))
782 if (lp_ignore_nonreadable(module_id) && access(fname, R_OK) != 0)
788 rprintf(FINFO, "make_file(%s,*,%d)\n", fname, exclude_level);
790 file = new(struct file_struct);
792 out_of_memory("make_file");
793 memset((char *) file, 0, sizeof(*file));
795 if ((p = strrchr(fname, '/'))) {
796 static char *lastdir;
798 if (lastdir && strcmp(fname, lastdir) == 0)
799 file->dirname = lastdir;
801 file->dirname = strdup(fname);
802 lastdir = file->dirname;
804 file->basename = STRDUP(ap, p + 1);
807 file->dirname = NULL;
808 file->basename = STRDUP(ap, fname);
811 file->modtime = st.st_mtime;
812 file->length = st.st_size;
813 file->mode = st.st_mode;
814 file->uid = st.st_uid;
815 file->gid = st.st_gid;
816 if (preserve_hard_links) {
817 if (protocol_version < 28? S_ISREG(st.st_mode)
818 : !S_ISDIR(st.st_mode) && st.st_nlink > 1) {
819 file->dev = st.st_dev;
820 file->inode = st.st_ino;
821 file->flags |= HAS_INODE_DATA;
824 #ifdef HAVE_STRUCT_STAT_ST_RDEV
825 file->rdev = st.st_rdev;
829 if (S_ISLNK(st.st_mode))
830 file->link = STRDUP(ap, linkbuf);
833 if (always_checksum && S_ISREG(st.st_mode)) {
834 file->sum = (char*)MALLOC(ap, MD4_SUM_LENGTH);
836 out_of_memory("md4 sum");
837 file_checksum(fname, file->sum, st.st_size);
841 static char *lastdir;
842 if (lastdir && strcmp(lastdir, flist_dir) == 0)
843 file->basedir = lastdir;
845 file->basedir = strdup(flist_dir);
846 lastdir = file->basedir;
849 file->basedir = NULL;
851 if (!S_ISDIR(st.st_mode))
852 stats.total_size += st.st_size;
858 void send_file_name(int f, struct file_list *flist, char *fname,
859 int recursive, unsigned short base_flags)
861 struct file_struct *file;
862 char fbuf[MAXPATHLEN];
863 extern int delete_excluded;
865 /* f is set to -1 when calculating deletion file list */
866 file = make_file(fname, &flist->string_area,
867 f == -1 && delete_excluded? SERVER_EXCLUDES
873 maybe_emit_filelist_progress(flist);
878 file->flags |= FLAG_DELETE;
880 if (file->basename[0]) {
881 flist->files[flist->count++] = file;
882 send_file_entry(file, f, base_flags);
885 if (S_ISDIR(file->mode) && recursive) {
886 struct exclude_struct **last_exclude_list =
888 send_directory(f, flist, f_name_to(file, fbuf, sizeof fbuf));
889 local_exclude_list = last_exclude_list;
895 static void send_directory(int f, struct file_list *flist, char *dir)
899 char fname[MAXPATHLEN];
905 io_error |= IOERR_GENERAL;
906 rprintf(FERROR, "opendir %s failed: %s\n",
907 full_fname(dir), strerror(errno));
911 strlcpy(fname, dir, MAXPATHLEN);
913 if (fname[l - 1] != '/') {
914 if (l == MAXPATHLEN - 1) {
915 io_error |= IOERR_GENERAL;
916 rprintf(FERROR, "skipping long-named directory: %s\n",
921 strlcat(fname, "/", MAXPATHLEN);
924 p = fname + strlen(fname);
926 local_exclude_list = NULL;
929 if (strlen(fname) + strlen(".cvsignore") <= MAXPATHLEN - 1) {
930 strcpy(p, ".cvsignore");
931 add_exclude_file(&exclude_list,fname,MISSING_OK,ADD_EXCLUDE);
933 io_error |= IOERR_GENERAL;
935 "cannot cvs-exclude in long-named directory %s\n",
940 for (errno = 0, di = readdir(d); di; errno = 0, di = readdir(d)) {
941 char *dname = d_name(di);
942 if (dname[0] == '.' && (dname[1] == '\0'
943 || (dname[1] == '.' && dname[2] == '\0')))
945 strlcpy(p, dname, MAXPATHLEN - l);
946 send_file_name(f, flist, fname, recurse, 0);
949 io_error |= IOERR_GENERAL;
950 rprintf(FERROR, "readdir(%s): (%d) %s\n",
951 dir, errno, strerror(errno));
954 if (local_exclude_list)
955 free_exclude_list(&local_exclude_list); /* Zeros pointer too */
962 * The delete_files() function in receiver.c sets f to -1 so that we just
963 * construct the file list in memory without sending it over the wire. It
964 * also has the side-effect of ignoring user-excludes if delete_excluded
965 * is set (so that the delete list includes user-excluded files).
967 struct file_list *send_file_list(int f, int argc, char *argv[])
971 char *p, *dir, *olddir;
972 char lastpath[MAXPATHLEN] = "";
973 struct file_list *flist;
977 if (show_filelist_p() && f != -1)
978 start_filelist_progress("building file list");
980 start_write = stats.total_written;
985 io_start_buffering_out(f);
986 if (filesfrom_fd >= 0) {
987 if (argv[0] && !push_dir(argv[0], 0)) {
988 rprintf(FERROR, "push_dir %s failed: %s\n",
989 full_fname(argv[0]), strerror(errno));
990 exit_cleanup(RERR_FILESELECT);
997 char fname2[MAXPATHLEN];
998 char *fname = fname2;
1001 if (read_filesfrom_line(filesfrom_fd, fname) == 0)
1003 sanitize_path(fname, NULL);
1007 strlcpy(fname, *argv++, MAXPATHLEN);
1009 sanitize_path(fname, NULL);
1013 if (fname[l - 1] == '/') {
1014 if (l == 2 && fname[0] == '.') {
1015 /* Turn "./" into just "." rather than "./." */
1018 strlcat(fname, ".", MAXPATHLEN);
1022 if (link_stat(fname, &st) != 0) {
1024 io_error |= IOERR_GENERAL;
1025 rprintf(FERROR, "link_stat %s failed: %s\n",
1026 full_fname(fname), strerror(errno));
1031 if (S_ISDIR(st.st_mode) && !recurse && !files_from) {
1032 rprintf(FINFO, "skipping directory %s\n", fname);
1039 if (!relative_paths) {
1040 p = strrchr(fname, '/');
1049 } else if (f != -1 && implied_dirs && (p=strrchr(fname,'/')) && p != fname) {
1050 /* this ensures we send the intermediate directories,
1051 thus getting their permissions right */
1052 char *lp = lastpath, *fn = fname, *slash = fname;
1054 /* Skip any initial directories in our path that we
1055 * have in common with lastpath. */
1056 while (*fn && *lp == *fn) {
1062 if (fn != p || (*lp && *lp != '/')) {
1063 int copy_links_saved = copy_links;
1064 int recurse_saved = recurse;
1065 copy_links = copy_unsafe_links;
1066 /* set recurse to 1 to prevent make_file
1067 * from ignoring directory, but still
1068 * turn off the recursive parameter to
1071 while ((slash = strchr(slash+1, '/')) != 0) {
1073 send_file_name(f, flist, fname, 0, 0);
1076 copy_links = copy_links_saved;
1077 recurse = recurse_saved;
1079 strlcpy(lastpath, fname, sizeof lastpath);
1088 olddir = push_dir(dir, 1);
1091 io_error |= IOERR_GENERAL;
1092 rprintf(FERROR, "push_dir %s failed: %s\n",
1093 full_fname(dir), strerror(errno));
1100 if (one_file_system)
1101 set_filesystem(fname);
1103 send_file_name(f, flist, fname, recurse, FLAG_DELETE);
1105 if (olddir != NULL) {
1107 if (pop_dir(olddir) != 0) {
1108 rprintf(FERROR, "pop_dir %s failed: %s\n",
1109 full_fname(dir), strerror(errno));
1110 exit_cleanup(RERR_FILESELECT);
1116 send_file_entry(NULL, f, 0);
1118 if (show_filelist_p() && f != -1)
1119 finish_filelist_progress(flist);
1121 clean_flist(flist, 0, 0);
1123 /* now send the uid/gid list. This was introduced in protocol
1128 /* send the io_error flag */
1130 extern int module_id;
1131 write_int(f, lp_ignore_errors(module_id) ? 0 : io_error);
1136 stats.flist_size = stats.total_written - start_write;
1137 stats.num_files = flist->count;
1139 write_batch_flist_info(flist->count, flist->files);
1143 rprintf(FINFO, "send_file_list done\n");
1149 struct file_list *recv_file_list(int f)
1151 struct file_list *flist;
1152 unsigned short flags;
1154 extern int list_only;
1156 if (show_filelist_p())
1157 start_filelist_progress("receiving file list");
1159 start_read = stats.total_read;
1161 flist = new(struct file_list);
1166 flist->malloced = 1000;
1167 flist->files = new_array(struct file_struct *, flist->malloced);
1172 while ((flags = read_byte(f)) != 0) {
1173 int i = flist->count;
1175 flist_expand(flist);
1177 if (protocol_version >= 28 && (flags & EXTENDED_FLAGS))
1178 flags |= read_byte(f) << 8;
1179 receive_file_entry(&flist->files[i], flags, f);
1181 if (S_ISREG(flist->files[i]->mode))
1182 stats.total_size += flist->files[i]->length;
1186 maybe_emit_filelist_progress(flist);
1189 rprintf(FINFO, "recv_file_name(%s)\n",
1190 f_name(flist->files[i]));
1196 rprintf(FINFO, "received %d names\n", flist->count);
1198 clean_flist(flist, relative_paths, 1);
1200 if (show_filelist_p())
1201 finish_filelist_progress(flist);
1203 /* now recv the uid/gid list. This was introduced in protocol version 15 */
1205 recv_uid_list(f, flist);
1207 /* recv the io_error flag */
1208 if (f != -1 && !read_batch) { /* dw-added readbatch */
1209 extern int module_id;
1210 extern int ignore_errors;
1211 if (lp_ignore_errors(module_id) || ignore_errors)
1214 io_error |= read_int(f);
1219 for (i = 0; i < flist->count; i++)
1220 list_file_entry(flist->files[i]);
1225 rprintf(FINFO, "recv_file_list done\n");
1227 stats.flist_size = stats.total_read - start_read;
1228 stats.num_files = flist->count;
1233 out_of_memory("recv_file_list");
1234 return NULL; /* not reached */
1238 int file_compare(struct file_struct **file1, struct file_struct **file2)
1240 struct file_struct *f1 = *file1;
1241 struct file_struct *f2 = *file2;
1243 if (!f1->basename && !f2->basename)
1249 if (f1->dirname == f2->dirname)
1250 return u_strcmp(f1->basename, f2->basename);
1251 return f_name_cmp(f1, f2);
1255 int flist_find(struct file_list *flist, struct file_struct *f)
1257 int low = 0, high = flist->count - 1;
1259 while (high >= 0 && !flist->files[high]->basename) high--;
1264 while (low != high) {
1265 int mid = (low + high) / 2;
1266 int ret = file_compare(&flist->files[flist_up(flist, mid)],&f);
1268 return flist_up(flist, mid);
1275 if (file_compare(&flist->files[flist_up(flist, low)], &f) == 0)
1276 return flist_up(flist, low);
1284 void free_file(struct file_struct *file)
1289 free(file->basename);
1299 * allocate a new file list
1301 struct file_list *flist_new(void)
1303 struct file_list *flist;
1305 flist = new(struct file_list);
1307 out_of_memory("send_file_list");
1310 flist->malloced = 0;
1311 flist->files = NULL;
1314 flist->string_area = string_area_new(0);
1316 flist->string_area = NULL;
1322 * free up all elements in a flist
1324 void flist_free(struct file_list *flist)
1327 for (i = 1; i < flist->count; i++) {
1328 if (!flist->string_area)
1329 free_file(flist->files[i]);
1330 free(flist->files[i]);
1332 /* FIXME: I don't think we generally need to blank the flist
1333 * since it's about to be freed. This will just cause more
1334 * memory traffic. If you want a freed-memory debugger, you
1335 * know where to get it. */
1336 memset((char *) flist->files, 0,
1337 sizeof(flist->files[0]) * flist->count);
1339 if (flist->string_area)
1340 string_area_free(flist->string_area);
1341 memset((char *) flist, 0, sizeof(*flist));
1347 * This routine ensures we don't have any duplicate names in our file list.
1348 * duplicate names can cause corruption because of the pipelining
1350 static void clean_flist(struct file_list *flist, int strip_root, int no_dups)
1354 if (!flist || flist->count == 0)
1357 qsort(flist->files, flist->count,
1358 sizeof(flist->files[0]), (int (*)()) file_compare);
1360 for (i = no_dups? 0 : flist->count; i < flist->count; i++) {
1361 if (flist->files[i]->basename) {
1366 while (++i < flist->count) {
1367 if (!flist->files[i]->basename)
1369 if (f_name_cmp(flist->files[i], flist->files[prev_i]) == 0) {
1370 if (verbose > 1 && !am_server) {
1372 "removing duplicate name %s from file list %d\n",
1373 f_name(flist->files[i]), i);
1375 /* Make sure that if we unduplicate '.', that we don't
1376 * lose track of a user-specified starting point (or
1377 * else deletions will mysteriously fail with -R). */
1378 if (flist->files[i]->flags & FLAG_DELETE)
1379 flist->files[prev_i]->flags |= FLAG_DELETE;
1380 /* it's not great that the flist knows the semantics of
1381 * the file memory usage, but i'd rather not add a flag
1382 * byte to that struct.
1383 * XXX can i use a bit in the flags field? */
1384 if (flist->string_area)
1385 flist->files[i][0] = null_file;
1387 free_file(flist->files[i]);
1394 /* we need to strip off the root directory in the case
1395 of relative paths, but this must be done _after_
1396 the sorting phase */
1397 for (i = 0; i < flist->count; i++) {
1398 if (flist->files[i]->dirname &&
1399 flist->files[i]->dirname[0] == '/') {
1400 memmove(&flist->files[i]->dirname[0],
1401 &flist->files[i]->dirname[1],
1402 strlen(flist->files[i]->dirname));
1405 if (flist->files[i]->dirname &&
1406 !flist->files[i]->dirname[0]) {
1407 flist->files[i]->dirname = NULL;
1415 for (i = 0; i < flist->count; i++) {
1416 rprintf(FINFO, "[%ld] i=%d %s %s mode=0%o len=%.0f\n",
1418 NS(flist->files[i]->dirname),
1419 NS(flist->files[i]->basename),
1420 (int) flist->files[i]->mode,
1421 (double) flist->files[i]->length);
1426 enum fnc_state { fnc_DIR, fnc_SLASH, fnc_BASE };
1428 /* Compare the names of two file_struct entities, just like strcmp()
1429 * would do if it were operating on the joined strings. We assume
1430 * that there are no 0-length strings.
1432 int f_name_cmp(struct file_struct *f1, struct file_struct *f2)
1435 const uchar *c1, *c2;
1436 enum fnc_state state1, state2;
1438 if (!f1 || !f1->basename) {
1439 if (!f2 || !f2->basename)
1443 if (!f2 || !f2->basename)
1446 if (!(c1 = (uchar*)f1->dirname)) {
1448 c1 = (uchar*)f1->basename;
1452 if (!(c2 = (uchar*)f2->dirname)) {
1454 c2 = (uchar*)f2->basename;
1460 if ((dif = (int)*c1 - (int)*c2) != 0)
1470 c1 = (uchar*)f1->basename;
1484 c2 = (uchar*)f2->basename;
1498 /* Return a copy of the full filename of a flist entry, using the indicated
1501 char *f_name_to(struct file_struct *f, char *fbuf, int bsize)
1503 if (!f || !f->basename)
1507 int off = strlcpy(fbuf, f->dirname, bsize);
1508 off += strlcpy(fbuf + off, "/", bsize - off);
1509 strlcpy(fbuf + off, f->basename, bsize - off);
1511 strlcpy(fbuf, f->basename, bsize);
1516 /* Like f_name_to(), but we rotate through 5 static buffers of our own.
1518 char *f_name(struct file_struct *f)
1520 static char names[5][MAXPATHLEN];
1521 static unsigned int n;
1523 n = (n + 1) % (sizeof names / sizeof names[0]);
1525 return f_name_to(f, names[n], sizeof names[0]);