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) 2002-2008 Wayne Davison
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 3 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, visit the http://fsf.org website.
33 extern int am_generator
;
34 extern int inc_recurse
;
35 extern int always_checksum
;
37 extern int ignore_errors
;
38 extern int numeric_ids
;
42 extern int filesfrom_fd
;
43 extern int one_file_system
;
44 extern int copy_dirlinks
;
45 extern int keep_dirlinks
;
46 extern int preserve_uid
;
47 extern int preserve_gid
;
48 extern int preserve_acls
;
49 extern int preserve_xattrs
;
50 extern int preserve_links
;
51 extern int preserve_hard_links
;
52 extern int preserve_devices
;
53 extern int preserve_specials
;
57 extern int relative_paths
;
58 extern int implied_dirs
;
59 extern int file_extra_cnt
;
60 extern int ignore_perishable
;
61 extern int non_perishable_cnt
;
62 extern int prune_empty_dirs
;
63 extern int copy_links
;
64 extern int copy_unsafe_links
;
65 extern int protocol_version
;
66 extern int sanitize_paths
;
67 extern int munge_symlinks
;
68 extern int need_unsorted_flist
;
69 extern int sender_symlink_iconv
;
70 extern int output_needs_newline
;
71 extern int sender_keeps_checksum
;
72 extern int unsort_ndx
;
73 extern struct stats stats
;
74 extern char *filesfrom_host
;
76 extern char curr_dir
[MAXPATHLEN
];
78 extern struct chmod_mode_struct
*chmod_modes
;
80 extern struct filter_list_struct filter_list
;
81 extern struct filter_list_struct daemon_filter_list
;
84 extern int filesfrom_convert
;
85 extern iconv_t ic_send
, ic_recv
;
88 #define PTR_SIZE (sizeof (struct file_struct *))
92 dev_t filesystem_dev
; /* used to implement -x */
94 struct file_list
*cur_flist
, *first_flist
, *dir_flist
;
95 int send_dir_ndx
= -1, send_dir_depth
= -1;
96 int flist_cnt
= 0; /* how many (non-tmp) file list objects exist */
97 int file_total
= 0; /* total of all active items over all file-lists */
98 int flist_eof
= 0; /* all the file-lists are now known */
100 #define NORMAL_NAME 0
101 #define SLASH_ENDING_NAME 1
102 #define DOTDIR_NAME 2
104 /* Starting from protocol version 26, we always use 64-bit ino_t and dev_t
105 * internally, even if this platform does not allow files to have 64-bit inums.
106 * The only exception is if we're on a platform with no 64-bit type at all.
108 * Because we use read_longint() to get these off the wire, if you transfer
109 * devices or (for protocols < 30) hardlinks with dev or inum > 2**32 to a
110 * machine with no 64-bit types then you will get an overflow error.
112 * Note that if you transfer devices from a 64-bit-devt machine (say, Solaris)
113 * to a 32-bit-devt machine (say, Linux-2.2/x86) then the device numbers will
114 * be truncated. But it's a kind of silly thing to do anyhow. */
116 /* The tmp_* vars are used as a cache area by make_file() to store data
117 * that the sender doesn't need to remember in its file list. The data
118 * will survive just long enough to be used by send_file_entry(). */
119 static dev_t tmp_rdev
;
120 #ifdef SUPPORT_HARD_LINKS
121 static int64 tmp_dev
, tmp_ino
;
123 static char tmp_sum
[MAX_DIGEST_LEN
];
125 static char empty_sum
[MAX_DIGEST_LEN
];
126 static int flist_count_offset
; /* for --delete --progress */
128 static void flist_sort_and_clean(struct file_list
*flist
, int strip_root
);
129 static void output_flist(struct file_list
*flist
);
131 void init_flist(void)
133 if (DEBUG_GTE(FLIST
, 4)) {
134 rprintf(FINFO
, "FILE_STRUCT_LEN=%d, EXTRA_LEN=%d\n",
135 (int)FILE_STRUCT_LEN
, (int)EXTRA_LEN
);
137 checksum_len
= protocol_version
< 21 ? 2
138 : protocol_version
< 30 ? MD4_DIGEST_LEN
142 static int show_filelist_p(void)
144 return INFO_GTE(FLIST
, 1) && xfer_dirs
&& !am_server
&& !inc_recurse
;
147 static void start_filelist_progress(char *kind
)
149 rprintf(FCLIENT
, "%s ... ", kind
);
150 output_needs_newline
= 1;
154 static void emit_filelist_progress(int count
)
156 rprintf(FCLIENT
, " %d files...\r", count
);
159 static void maybe_emit_filelist_progress(int count
)
161 if (INFO_GTE(FLIST
, 2) && show_filelist_p() && (count
% 100) == 0)
162 emit_filelist_progress(count
);
165 static void finish_filelist_progress(const struct file_list
*flist
)
167 if (INFO_GTE(FLIST
, 2)) {
168 /* This overwrites the progress line */
169 rprintf(FINFO
, "%d file%sto consider\n",
170 flist
->used
, flist
->used
== 1 ? " " : "s ");
172 output_needs_newline
= 0;
173 rprintf(FINFO
, "done\n");
177 void show_flist_stats(void)
182 /* Stat either a symlink or its referent, depending on the settings of
183 * copy_links, copy_unsafe_links, etc. Returns -1 on error, 0 on success.
185 * If path is the name of a symlink, then the linkbuf buffer (which must hold
186 * MAXPATHLEN chars) will be set to the symlink's target string.
188 * The stat structure pointed to by stp will contain information about the
189 * link or the referent as appropriate, if they exist. */
190 static int readlink_stat(const char *path
, STRUCT_STAT
*stp
, char *linkbuf
)
193 if (link_stat(path
, stp
, copy_dirlinks
) < 0)
195 if (S_ISLNK(stp
->st_mode
)) {
196 int llen
= readlink(path
, linkbuf
, MAXPATHLEN
- 1);
199 linkbuf
[llen
] = '\0';
200 if (copy_unsafe_links
&& unsafe_symlink(linkbuf
, path
)) {
201 if (INFO_GTE(SYMSAFE
, 1)) {
202 rprintf(FINFO
,"copying unsafe symlink \"%s\" -> \"%s\"\n",
205 return x_stat(path
, stp
, NULL
);
207 if (munge_symlinks
&& am_sender
&& llen
> SYMLINK_PREFIX_LEN
208 && strncmp(linkbuf
, SYMLINK_PREFIX
, SYMLINK_PREFIX_LEN
) == 0) {
209 memmove(linkbuf
, linkbuf
+ SYMLINK_PREFIX_LEN
,
210 llen
- SYMLINK_PREFIX_LEN
+ 1);
215 return x_stat(path
, stp
, NULL
);
219 int link_stat(const char *path
, STRUCT_STAT
*stp
, int follow_dirlinks
)
223 return x_stat(path
, stp
, NULL
);
224 if (x_lstat(path
, stp
, NULL
) < 0)
226 if (follow_dirlinks
&& S_ISLNK(stp
->st_mode
)) {
228 if (x_stat(path
, &st
, NULL
) == 0 && S_ISDIR(st
.st_mode
))
233 return x_stat(path
, stp
, NULL
);
237 static inline int is_daemon_excluded(const char *fname
, int is_dir
)
239 if (daemon_filter_list
.head
240 && check_filter(&daemon_filter_list
, FLOG
, fname
, is_dir
) < 0) {
247 static inline int path_is_daemon_excluded(char *path
, int ignore_filename
)
249 if (daemon_filter_list
.head
) {
252 while ((slash
= strchr(slash
+1, '/')) != NULL
) {
255 ret
= check_filter(&daemon_filter_list
, FLOG
, path
, 1);
264 && check_filter(&daemon_filter_list
, FLOG
, path
, 1) < 0) {
273 /* This function is used to check if a file should be included/excluded
274 * from the list of files based on its name and type etc. The value of
275 * filter_level is set to either SERVER_FILTERS or ALL_FILTERS. */
276 static int is_excluded(const char *fname
, int is_dir
, int filter_level
)
278 #if 0 /* This currently never happens, so avoid a useless compare. */
279 if (filter_level
== NO_FILTERS
)
282 if (is_daemon_excluded(fname
, is_dir
))
284 if (filter_level
!= ALL_FILTERS
)
287 && check_filter(&filter_list
, FINFO
, fname
, is_dir
) < 0)
292 static void send_directory(int f
, struct file_list
*flist
,
293 char *fbuf
, int len
, int flags
);
295 static const char *pathname
, *orig_dir
;
296 static int pathname_len
;
298 /* Make sure flist can hold at least flist->used + extra entries. */
299 static void flist_expand(struct file_list
*flist
, int extra
)
301 struct file_struct
**new_ptr
;
303 if (flist
->used
+ extra
<= flist
->malloced
)
306 if (flist
->malloced
< FLIST_START
)
307 flist
->malloced
= FLIST_START
;
308 else if (flist
->malloced
>= FLIST_LINEAR
)
309 flist
->malloced
+= FLIST_LINEAR
;
311 flist
->malloced
*= 2;
313 /* In case count jumped or we are starting the list
314 * with a known size just set it. */
315 if (flist
->malloced
< flist
->used
+ extra
)
316 flist
->malloced
= flist
->used
+ extra
;
318 new_ptr
= realloc_array(flist
->files
, struct file_struct
*,
321 if (DEBUG_GTE(FLIST
, 1) && flist
->malloced
!= FLIST_START
) {
322 rprintf(FCLIENT
, "[%s] expand file_list pointer array to %s bytes, did%s move\n",
324 big_num(sizeof flist
->files
[0] * flist
->malloced
),
325 (new_ptr
== flist
->files
) ? " not" : "");
328 flist
->files
= new_ptr
;
331 out_of_memory("flist_expand");
334 static void flist_done_allocating(struct file_list
*flist
)
336 void *ptr
= pool_boundary(flist
->file_pool
, 8*1024);
337 if (flist
->pool_boundary
== ptr
)
338 flist
->pool_boundary
= NULL
; /* list didn't use any pool memory */
340 flist
->pool_boundary
= ptr
;
343 /* Call this with EITHER (1) "file, NULL, 0" to chdir() to the file's
344 * F_PATHNAME(), or (2) "NULL, dir, dirlen" to chdir() to the supplied dir,
345 * with dir == NULL taken to be the starting directory, and dirlen < 0
346 * indicating that strdup(dir) should be called and then the -dirlen length
347 * value checked to ensure that it is not daemon-excluded. */
348 int change_pathname(struct file_struct
*file
, const char *dir
, int dirlen
)
351 char *cpy
= strdup(dir
);
353 change_dir(orig_dir
, CD_SKIP_CHDIR
);
354 if (path_is_daemon_excluded(cpy
, 0))
360 if (pathname
== F_PATHNAME(file
))
362 dir
= F_PATHNAME(file
);
364 dirlen
= strlen(dir
);
365 } else if (pathname
== dir
)
367 if (dir
&& *dir
!= '/')
368 change_dir(orig_dir
, CD_SKIP_CHDIR
);
372 pathname_len
= dirlen
;
377 if (!change_dir(dir
, CD_NORMAL
)) {
379 io_error
|= IOERR_GENERAL
;
380 rsyserr(FERROR_XFER
, errno
, "change_dir %s failed", full_fname(dir
));
382 change_dir(orig_dir
, CD_NORMAL
);
391 static void send_file_entry(int f
, const char *fname
, struct file_struct
*file
,
393 const char *symlink_name
, int symlink_len
,
395 int ndx
, int first_ndx
)
397 static time_t modtime
;
399 #ifdef SUPPORT_HARD_LINKS
403 static uint32 rdev_major
;
406 static const char *user_name
, *group_name
;
407 static char lastname
[MAXPATHLEN
];
408 #ifdef SUPPORT_HARD_LINKS
409 int first_hlink_ndx
= -1;
414 /* Initialize starting value of xflags and adjust counts. */
415 if (S_ISREG(file
->mode
))
417 else if (S_ISDIR(file
->mode
)) {
419 if (protocol_version
>= 30) {
420 if (file
->flags
& FLAG_CONTENT_DIR
)
421 xflags
= file
->flags
& FLAG_TOP_DIR
;
422 else if (file
->flags
& FLAG_IMPLIED_DIR
)
423 xflags
= XMIT_TOP_DIR
| XMIT_NO_CONTENT_DIR
;
425 xflags
= XMIT_NO_CONTENT_DIR
;
427 xflags
= file
->flags
& FLAG_TOP_DIR
; /* FLAG_TOP_DIR == XMIT_TOP_DIR */
429 if (S_ISLNK(file
->mode
))
430 stats
.num_symlinks
++;
431 else if (IS_DEVICE(file
->mode
))
434 stats
.num_specials
++;
438 if (file
->mode
== mode
)
439 xflags
|= XMIT_SAME_MODE
;
443 if ((preserve_devices
&& IS_DEVICE(mode
))
444 || (preserve_specials
&& IS_SPECIAL(mode
))) {
445 if (protocol_version
< 28) {
446 if (tmp_rdev
== rdev
)
447 xflags
|= XMIT_SAME_RDEV_pre28
;
452 if ((uint32
)major(rdev
) == rdev_major
)
453 xflags
|= XMIT_SAME_RDEV_MAJOR
;
455 rdev_major
= major(rdev
);
456 if (protocol_version
< 30 && (uint32
)minor(rdev
) <= 0xFFu
)
457 xflags
|= XMIT_RDEV_MINOR_8_pre30
;
459 } else if (protocol_version
< 28)
460 rdev
= MAKEDEV(0, 0);
461 if (!preserve_uid
|| ((uid_t
)F_OWNER(file
) == uid
&& *lastname
))
462 xflags
|= XMIT_SAME_UID
;
466 user_name
= add_uid(uid
);
467 if (inc_recurse
&& user_name
)
468 xflags
|= XMIT_USER_NAME_FOLLOWS
;
471 if (!preserve_gid
|| ((gid_t
)F_GROUP(file
) == gid
&& *lastname
))
472 xflags
|= XMIT_SAME_GID
;
476 group_name
= add_gid(gid
);
477 if (inc_recurse
&& group_name
)
478 xflags
|= XMIT_GROUP_NAME_FOLLOWS
;
481 if (file
->modtime
== modtime
)
482 xflags
|= XMIT_SAME_TIME
;
484 modtime
= file
->modtime
;
486 #ifdef SUPPORT_HARD_LINKS
488 if (protocol_version
>= 30) {
489 struct ht_int64_node
*np
= idev_find(tmp_dev
, tmp_ino
);
490 first_hlink_ndx
= (int32
)(long)np
->data
- 1;
491 if (first_hlink_ndx
< 0) {
492 np
->data
= (void*)(long)(first_ndx
+ ndx
+ 1);
493 xflags
|= XMIT_HLINK_FIRST
;
495 if (DEBUG_GTE(HLINK
, 1)) {
496 if (first_hlink_ndx
>= 0) {
497 rprintf(FINFO
, "[%s] #%d hard-links #%d (%sabbrev)\n",
498 who_am_i(), first_ndx
+ ndx
, first_hlink_ndx
,
499 first_hlink_ndx
>= first_ndx
? "" : "un");
500 } else if (DEBUG_GTE(HLINK
, 3)) {
501 rprintf(FINFO
, "[%s] dev:inode for #%d is %s:%s\n",
502 who_am_i(), first_ndx
+ ndx
,
503 big_num(tmp_dev
), big_num(tmp_ino
));
507 if (tmp_dev
== dev
) {
508 if (protocol_version
>= 28)
509 xflags
|= XMIT_SAME_DEV_pre30
;
513 xflags
|= XMIT_HLINKED
;
518 lastname
[l1
] && (fname
[l1
] == lastname
[l1
]) && (l1
< 255);
520 l2
= strlen(fname
+l1
);
523 xflags
|= XMIT_SAME_NAME
;
525 xflags
|= XMIT_LONG_NAME
;
527 /* We must make sure we don't send a zero flag byte or the
528 * other end will terminate the flist transfer. Note that
529 * the use of XMIT_TOP_DIR on a non-dir has no meaning, so
530 * it's harmless way to add a bit to the first flag byte. */
531 if (protocol_version
>= 28) {
532 if (!xflags
&& !S_ISDIR(mode
))
533 xflags
|= XMIT_TOP_DIR
;
534 if ((xflags
& 0xFF00) || !xflags
) {
535 xflags
|= XMIT_EXTENDED_FLAGS
;
536 write_shortint(f
, xflags
);
538 write_byte(f
, xflags
);
540 if (!(xflags
& 0xFF))
541 xflags
|= S_ISDIR(mode
) ? XMIT_LONG_NAME
: XMIT_TOP_DIR
;
542 write_byte(f
, xflags
);
544 if (xflags
& XMIT_SAME_NAME
)
546 if (xflags
& XMIT_LONG_NAME
)
547 write_varint30(f
, l2
);
550 write_buf(f
, fname
+ l1
, l2
);
552 #ifdef SUPPORT_HARD_LINKS
553 if (first_hlink_ndx
>= 0) {
554 write_varint(f
, first_hlink_ndx
);
555 if (first_hlink_ndx
>= first_ndx
)
560 write_varlong30(f
, F_LENGTH(file
), 3);
561 if (!(xflags
& XMIT_SAME_TIME
)) {
562 if (protocol_version
>= 30)
563 write_varlong(f
, modtime
, 4);
565 write_int(f
, modtime
);
567 if (!(xflags
& XMIT_SAME_MODE
))
568 write_int(f
, to_wire_mode(mode
));
569 if (preserve_uid
&& !(xflags
& XMIT_SAME_UID
)) {
570 if (protocol_version
< 30)
573 write_varint(f
, uid
);
574 if (xflags
& XMIT_USER_NAME_FOLLOWS
) {
575 int len
= strlen(user_name
);
577 write_buf(f
, user_name
, len
);
581 if (preserve_gid
&& !(xflags
& XMIT_SAME_GID
)) {
582 if (protocol_version
< 30)
585 write_varint(f
, gid
);
586 if (xflags
& XMIT_GROUP_NAME_FOLLOWS
) {
587 int len
= strlen(group_name
);
589 write_buf(f
, group_name
, len
);
593 if ((preserve_devices
&& IS_DEVICE(mode
))
594 || (preserve_specials
&& IS_SPECIAL(mode
))) {
595 if (protocol_version
< 28) {
596 if (!(xflags
& XMIT_SAME_RDEV_pre28
))
597 write_int(f
, (int)rdev
);
599 if (!(xflags
& XMIT_SAME_RDEV_MAJOR
))
600 write_varint30(f
, major(rdev
));
601 if (protocol_version
>= 30)
602 write_varint(f
, minor(rdev
));
603 else if (xflags
& XMIT_RDEV_MINOR_8_pre30
)
604 write_byte(f
, minor(rdev
));
606 write_int(f
, minor(rdev
));
612 write_varint30(f
, symlink_len
);
613 write_buf(f
, symlink_name
, symlink_len
);
617 #ifdef SUPPORT_HARD_LINKS
618 if (tmp_dev
!= 0 && protocol_version
< 30) {
619 if (protocol_version
< 26) {
620 /* 32-bit dev_t and ino_t */
621 write_int(f
, (int32
)dev
);
622 write_int(f
, (int32
)tmp_ino
);
624 /* 64-bit dev_t and ino_t */
625 if (!(xflags
& XMIT_SAME_DEV_pre30
))
626 write_longint(f
, dev
);
627 write_longint(f
, tmp_ino
);
632 if (always_checksum
&& (S_ISREG(mode
) || protocol_version
< 28)) {
637 /* Prior to 28, we sent a useless set of nulls. */
640 write_buf(f
, sum
, checksum_len
);
643 #ifdef SUPPORT_HARD_LINKS
646 strlcpy(lastname
, fname
, MAXPATHLEN
);
648 if (S_ISREG(mode
) || S_ISLNK(mode
))
649 stats
.total_size
+= F_LENGTH(file
);
652 static struct file_struct
*recv_file_entry(struct file_list
*flist
,
655 static int64 modtime
;
657 #ifdef SUPPORT_HARD_LINKS
661 static uint32 rdev_major
;
664 static uint16 gid_flags
;
665 static char lastname
[MAXPATHLEN
], *lastdir
;
666 static int lastdir_depth
, lastdir_len
= -1;
667 static unsigned int del_hier_name_len
= 0;
668 static int in_del_hier
= 0;
669 char thisname
[MAXPATHLEN
];
670 unsigned int l1
= 0, l2
= 0;
671 int alloc_len
, basename_len
, linkname_len
;
672 int extra_len
= file_extra_cnt
* EXTRA_LEN
;
673 int first_hlink_ndx
= -1;
675 const char *basename
;
676 struct file_struct
*file
;
680 if (xflags
& XMIT_SAME_NAME
)
683 if (xflags
& XMIT_LONG_NAME
)
684 l2
= read_varint30(f
);
688 if (l2
>= MAXPATHLEN
- l1
) {
690 "overflow: xflags=0x%x l1=%d l2=%d lastname=%s [%s]\n",
691 xflags
, l1
, l2
, lastname
, who_am_i());
692 overflow_exit("recv_file_entry");
695 strlcpy(thisname
, lastname
, l1
+ 1);
696 read_sbuf(f
, &thisname
[l1
], l2
);
697 thisname
[l1
+ l2
] = 0;
699 /* Abuse basename_len for a moment... */
700 basename_len
= strlcpy(lastname
, thisname
, MAXPATHLEN
);
703 if (ic_recv
!= (iconv_t
)-1) {
706 INIT_CONST_XBUF(outbuf
, thisname
);
707 INIT_XBUF(inbuf
, lastname
, basename_len
, (size_t)-1);
709 if (iconvbufs(ic_recv
, &inbuf
, &outbuf
, 0) < 0) {
710 io_error
|= IOERR_GENERAL
;
712 "[%s] cannot convert filename: %s (%s)\n",
713 who_am_i(), lastname
, strerror(errno
));
716 thisname
[outbuf
.len
] = '\0';
721 clean_fname(thisname
, 0);
724 sanitize_path(thisname
, thisname
, "", 0, SP_DEFAULT
);
726 if ((basename
= strrchr(thisname
, '/')) != NULL
) {
727 int len
= basename
++ - thisname
;
728 if (len
!= lastdir_len
|| memcmp(thisname
, lastdir
, len
) != 0) {
729 lastdir
= new_array(char, len
+ 1);
730 memcpy(lastdir
, thisname
, len
);
733 lastdir_depth
= count_dir_elements(lastdir
);
737 basename_len
= strlen(basename
) + 1; /* count the '\0' */
739 #ifdef SUPPORT_HARD_LINKS
740 if (protocol_version
>= 30
741 && BITS_SETnUNSET(xflags
, XMIT_HLINKED
, XMIT_HLINK_FIRST
)) {
742 first_hlink_ndx
= read_varint(f
);
743 if (first_hlink_ndx
< 0 || first_hlink_ndx
>= flist
->ndx_start
+ flist
->used
) {
745 "hard-link reference out of range: %d (%d)\n",
746 first_hlink_ndx
, flist
->ndx_start
+ flist
->used
);
747 exit_cleanup(RERR_PROTOCOL
);
749 if (DEBUG_GTE(HLINK
, 1)) {
750 rprintf(FINFO
, "[%s] #%d hard-links #%d (%sabbrev)\n",
751 who_am_i(), flist
->used
+flist
->ndx_start
, first_hlink_ndx
,
752 first_hlink_ndx
>= flist
->ndx_start
? "" : "un");
754 if (first_hlink_ndx
>= flist
->ndx_start
) {
755 struct file_struct
*first
= flist
->files
[first_hlink_ndx
- flist
->ndx_start
];
756 file_length
= F_LENGTH(first
);
757 modtime
= first
->modtime
;
760 uid
= F_OWNER(first
);
762 gid
= F_GROUP(first
);
763 if ((preserve_devices
&& IS_DEVICE(mode
))
764 || (preserve_specials
&& IS_SPECIAL(mode
))) {
765 uint32
*devp
= F_RDEV_P(first
);
766 rdev
= MAKEDEV(DEV_MAJOR(devp
), DEV_MINOR(devp
));
767 extra_len
+= DEV_EXTRA_CNT
* EXTRA_LEN
;
769 if (preserve_links
&& S_ISLNK(mode
))
770 linkname_len
= strlen(F_SYMLINK(first
)) + 1;
778 file_length
= read_varlong30(f
, 3);
779 if (!(xflags
& XMIT_SAME_TIME
)) {
780 if (protocol_version
>= 30) {
781 modtime
= read_varlong(f
, 4);
782 #if SIZEOF_TIME_T < SIZEOF_INT64
783 if (!am_generator
&& (int64
)(time_t)modtime
!= modtime
) {
785 "Time value of %s truncated on receiver.\n",
790 modtime
= read_int(f
);
792 if (!(xflags
& XMIT_SAME_MODE
))
793 mode
= from_wire_mode(read_int(f
));
795 if (chmod_modes
&& !S_ISLNK(mode
))
796 mode
= tweak_mode(mode
, chmod_modes
);
798 if (preserve_uid
&& !(xflags
& XMIT_SAME_UID
)) {
799 if (protocol_version
< 30)
800 uid
= (uid_t
)read_int(f
);
802 uid
= (uid_t
)read_varint(f
);
803 if (xflags
& XMIT_USER_NAME_FOLLOWS
)
804 uid
= recv_user_name(f
, uid
);
805 else if (inc_recurse
&& am_root
&& !numeric_ids
)
806 uid
= match_uid(uid
);
809 if (preserve_gid
&& !(xflags
& XMIT_SAME_GID
)) {
810 if (protocol_version
< 30)
811 gid
= (gid_t
)read_int(f
);
813 gid
= (gid_t
)read_varint(f
);
815 if (xflags
& XMIT_GROUP_NAME_FOLLOWS
)
816 gid
= recv_group_name(f
, gid
, &gid_flags
);
817 else if (inc_recurse
&& (!am_root
|| !numeric_ids
))
818 gid
= match_gid(gid
, &gid_flags
);
822 if ((preserve_devices
&& IS_DEVICE(mode
))
823 || (preserve_specials
&& IS_SPECIAL(mode
))) {
824 if (protocol_version
< 28) {
825 if (!(xflags
& XMIT_SAME_RDEV_pre28
))
826 rdev
= (dev_t
)read_int(f
);
829 if (!(xflags
& XMIT_SAME_RDEV_MAJOR
))
830 rdev_major
= read_varint30(f
);
831 if (protocol_version
>= 30)
832 rdev_minor
= read_varint(f
);
833 else if (xflags
& XMIT_RDEV_MINOR_8_pre30
)
834 rdev_minor
= read_byte(f
);
836 rdev_minor
= read_int(f
);
837 rdev
= MAKEDEV(rdev_major
, rdev_minor
);
839 extra_len
+= DEV_EXTRA_CNT
* EXTRA_LEN
;
841 } else if (protocol_version
< 28)
842 rdev
= MAKEDEV(0, 0);
845 if (preserve_links
&& S_ISLNK(mode
)) {
846 linkname_len
= read_varint30(f
) + 1; /* count the '\0' */
847 if (linkname_len
<= 0 || linkname_len
> MAXPATHLEN
) {
848 rprintf(FERROR
, "overflow: linkname_len=%d\n",
850 overflow_exit("recv_file_entry");
853 /* We don't know how much extra room we need to convert
854 * the as-yet-unread symlink data, so let's hope that a
855 * double-size buffer is plenty. */
856 if (sender_symlink_iconv
)
860 linkname_len
+= SYMLINK_PREFIX_LEN
;
866 #ifdef SUPPORT_HARD_LINKS
868 if (preserve_hard_links
) {
869 if (protocol_version
< 28 && S_ISREG(mode
))
870 xflags
|= XMIT_HLINKED
;
871 if (xflags
& XMIT_HLINKED
)
872 extra_len
+= (inc_recurse
+1) * EXTRA_LEN
;
877 /* Directories need an extra int32 for the default ACL. */
878 if (preserve_acls
&& S_ISDIR(mode
))
879 extra_len
+= EXTRA_LEN
;
882 if (always_checksum
&& S_ISREG(mode
))
883 extra_len
+= SUM_EXTRA_CNT
* EXTRA_LEN
;
885 #if SIZEOF_INT64 >= 8
886 if (file_length
> 0xFFFFFFFFu
&& S_ISREG(mode
))
887 extra_len
+= EXTRA_LEN
;
889 if (file_length
< 0) {
890 rprintf(FERROR
, "Offset underflow: file-length is negative\n");
891 exit_cleanup(RERR_UNSUPPORTED
);
894 if (inc_recurse
&& S_ISDIR(mode
)) {
895 if (one_file_system
) {
896 /* Room to save the dir's device for -x */
897 extra_len
+= DEV_EXTRA_CNT
* EXTRA_LEN
;
899 pool
= dir_flist
->file_pool
;
901 pool
= flist
->file_pool
;
903 #if EXTRA_ROUNDING > 0
904 if (extra_len
& (EXTRA_ROUNDING
* EXTRA_LEN
))
905 extra_len
= (extra_len
| (EXTRA_ROUNDING
* EXTRA_LEN
)) + EXTRA_LEN
;
908 alloc_len
= FILE_STRUCT_LEN
+ extra_len
+ basename_len
910 bp
= pool_alloc(pool
, alloc_len
, "recv_file_entry");
912 memset(bp
, 0, extra_len
+ FILE_STRUCT_LEN
);
914 file
= (struct file_struct
*)bp
;
915 bp
+= FILE_STRUCT_LEN
;
917 memcpy(bp
, basename
, basename_len
);
919 #ifdef SUPPORT_HARD_LINKS
920 if (xflags
& XMIT_HLINKED
)
921 file
->flags
|= FLAG_HLINKED
;
923 file
->modtime
= (time_t)modtime
;
924 file
->len32
= (uint32
)file_length
;
925 #if SIZEOF_INT64 >= 8
926 if (file_length
> 0xFFFFFFFFu
&& S_ISREG(mode
)) {
927 #if SIZEOF_CAPITAL_OFF_T < 8
928 rprintf(FERROR
, "Offset overflow: attempted 64-bit file-length\n");
929 exit_cleanup(RERR_UNSUPPORTED
);
931 file
->flags
|= FLAG_LENGTH64
;
932 OPT_EXTRA(file
, 0)->unum
= (uint32
)(file_length
>> 32);
941 file
->flags
|= gid_flags
;
944 F_NDX(file
) = flist
->used
+ flist
->ndx_start
;
946 if (basename
!= thisname
) {
947 file
->dirname
= lastdir
;
948 F_DEPTH(file
) = lastdir_depth
+ 1;
953 if (basename_len
== 1+1 && *basename
== '.') /* +1 for '\0' */
955 if (protocol_version
>= 30) {
956 if (!(xflags
& XMIT_NO_CONTENT_DIR
)) {
957 if (xflags
& XMIT_TOP_DIR
)
958 file
->flags
|= FLAG_TOP_DIR
;
959 file
->flags
|= FLAG_CONTENT_DIR
;
960 } else if (xflags
& XMIT_TOP_DIR
)
961 file
->flags
|= FLAG_IMPLIED_DIR
;
962 } else if (xflags
& XMIT_TOP_DIR
) {
963 in_del_hier
= recurse
;
964 del_hier_name_len
= F_DEPTH(file
) == 0 ? 0 : l1
+ l2
;
965 if (relative_paths
&& del_hier_name_len
> 2
966 && lastname
[del_hier_name_len
-1] == '.'
967 && lastname
[del_hier_name_len
-2] == '/')
968 del_hier_name_len
-= 2;
969 file
->flags
|= FLAG_TOP_DIR
| FLAG_CONTENT_DIR
;
970 } else if (in_del_hier
) {
971 if (!relative_paths
|| !del_hier_name_len
972 || (l1
>= del_hier_name_len
973 && lastname
[del_hier_name_len
] == '/'))
974 file
->flags
|= FLAG_CONTENT_DIR
;
980 if ((preserve_devices
&& IS_DEVICE(mode
))
981 || (preserve_specials
&& IS_SPECIAL(mode
))) {
982 uint32
*devp
= F_RDEV_P(file
);
983 DEV_MAJOR(devp
) = major(rdev
);
984 DEV_MINOR(devp
) = minor(rdev
);
990 if (first_hlink_ndx
>= flist
->ndx_start
) {
991 struct file_struct
*first
= flist
->files
[first_hlink_ndx
- flist
->ndx_start
];
992 memcpy(bp
, F_SYMLINK(first
), linkname_len
);
994 if (munge_symlinks
) {
995 strlcpy(bp
, SYMLINK_PREFIX
, linkname_len
);
996 bp
+= SYMLINK_PREFIX_LEN
;
997 linkname_len
-= SYMLINK_PREFIX_LEN
;
1000 if (sender_symlink_iconv
) {
1003 alloc_len
= linkname_len
;
1006 /* Read the symlink data into the end of our double-sized
1007 * buffer and then convert it into the right spot. */
1008 INIT_XBUF(inbuf
, bp
+ alloc_len
- linkname_len
,
1009 linkname_len
- 1, (size_t)-1);
1010 read_sbuf(f
, inbuf
.buf
, inbuf
.len
);
1011 INIT_XBUF(outbuf
, bp
, 0, alloc_len
);
1013 if (iconvbufs(ic_recv
, &inbuf
, &outbuf
, 0) < 0) {
1014 io_error
|= IOERR_GENERAL
;
1015 rprintf(FERROR_XFER
,
1016 "[%s] cannot convert symlink data for: %s (%s)\n",
1017 who_am_i(), full_fname(thisname
), strerror(errno
));
1018 bp
= (char*)file
->basename
;
1022 bp
[outbuf
.len
] = '\0';
1025 read_sbuf(f
, bp
, linkname_len
- 1);
1026 if (sanitize_paths
&& !munge_symlinks
&& *bp
)
1027 sanitize_path(bp
, bp
, "", lastdir_depth
, SP_DEFAULT
);
1032 #ifdef SUPPORT_HARD_LINKS
1033 if (preserve_hard_links
&& xflags
& XMIT_HLINKED
) {
1034 if (protocol_version
>= 30) {
1035 if (xflags
& XMIT_HLINK_FIRST
) {
1036 F_HL_GNUM(file
) = flist
->ndx_start
+ flist
->used
;
1038 F_HL_GNUM(file
) = first_hlink_ndx
;
1040 static int32 cnt
= 0;
1041 struct ht_int64_node
*np
;
1044 if (protocol_version
< 26) {
1048 if (!(xflags
& XMIT_SAME_DEV_pre30
))
1049 dev
= read_longint(f
);
1050 ino
= read_longint(f
);
1052 np
= idev_find(dev
, ino
);
1053 ndx
= (int32
)(long)np
->data
- 1;
1056 np
->data
= (void*)(long)cnt
;
1058 F_HL_GNUM(file
) = ndx
;
1063 if (always_checksum
&& (S_ISREG(mode
) || protocol_version
< 28)) {
1067 /* Prior to 28, we get a useless set of nulls. */
1070 if (first_hlink_ndx
>= flist
->ndx_start
) {
1071 struct file_struct
*first
= flist
->files
[first_hlink_ndx
- flist
->ndx_start
];
1072 memcpy(bp
, F_SUM(first
), checksum_len
);
1074 read_buf(f
, bp
, checksum_len
);
1078 if (preserve_acls
&& !S_ISLNK(mode
))
1079 receive_acl(file
, f
);
1081 #ifdef SUPPORT_XATTRS
1082 if (preserve_xattrs
)
1083 receive_xattr(file
, f
);
1086 if (S_ISREG(mode
) || S_ISLNK(mode
))
1087 stats
.total_size
+= file_length
;
1092 /* Create a file_struct for a named file by reading its stat() information
1093 * and performing extensive checks against global options.
1095 * Returns a pointer to the new file struct, or NULL if there was an error
1096 * or this file should be excluded.
1098 * Note: Any error (here or in send_file_name) that results in the omission of
1099 * an existent source file from the file list should set
1100 * "io_error |= IOERR_GENERAL" to avoid deletion of the file from the
1101 * destination if --delete is on. */
1102 struct file_struct
*make_file(const char *fname
, struct file_list
*flist
,
1103 STRUCT_STAT
*stp
, int flags
, int filter_level
)
1105 static char *lastdir
;
1106 static int lastdir_len
= -1;
1107 struct file_struct
*file
;
1108 char thisname
[MAXPATHLEN
];
1109 char linkname
[MAXPATHLEN
];
1110 int alloc_len
, basename_len
, linkname_len
;
1111 int extra_len
= file_extra_cnt
* EXTRA_LEN
;
1112 const char *basename
;
1117 if (strlcpy(thisname
, fname
, sizeof thisname
) >= sizeof thisname
) {
1118 io_error
|= IOERR_GENERAL
;
1119 rprintf(FERROR_XFER
, "skipping overly long name: %s\n", fname
);
1122 clean_fname(thisname
, 0);
1124 sanitize_path(thisname
, thisname
, "", 0, SP_DEFAULT
);
1126 if (stp
&& S_ISDIR(stp
->st_mode
)) {
1127 st
= *stp
; /* Needed for "symlink/." with --relative. */
1128 *linkname
= '\0'; /* make IBM code checker happy */
1129 } else if (readlink_stat(thisname
, &st
, linkname
) != 0) {
1130 int save_errno
= errno
;
1131 /* See if file is excluded before reporting an error. */
1132 if (filter_level
!= NO_FILTERS
1133 && (is_excluded(thisname
, 0, filter_level
)
1134 || is_excluded(thisname
, 1, filter_level
))) {
1135 if (ignore_perishable
&& save_errno
!= ENOENT
)
1136 non_perishable_cnt
++;
1139 if (save_errno
== ENOENT
) {
1140 #ifdef SUPPORT_LINKS
1141 /* When our options tell us to follow a symlink that
1142 * points nowhere, tell the user about the symlink
1143 * instead of giving a "vanished" message. We only
1144 * dereference a symlink if one of the --copy*links
1145 * options was specified, so there's no need for the
1146 * extra lstat() if one of these options isn't on. */
1147 if ((copy_links
|| copy_unsafe_links
|| copy_dirlinks
)
1148 && x_lstat(thisname
, &st
, NULL
) == 0
1149 && S_ISLNK(st
.st_mode
)) {
1150 io_error
|= IOERR_GENERAL
;
1151 rprintf(FERROR_XFER
, "symlink has no referent: %s\n",
1152 full_fname(thisname
));
1156 enum logcode c
= am_daemon
&& protocol_version
< 28
1157 ? FERROR
: FWARNING
;
1158 io_error
|= IOERR_VANISHED
;
1159 rprintf(c
, "file has vanished: %s\n",
1160 full_fname(thisname
));
1163 io_error
|= IOERR_GENERAL
;
1164 rsyserr(FERROR_XFER
, save_errno
, "readlink_stat(%s) failed",
1165 full_fname(thisname
));
1170 if (filter_level
== NO_FILTERS
)
1173 if (S_ISDIR(st
.st_mode
)) {
1175 rprintf(FINFO
, "skipping directory %s\n", thisname
);
1178 /* -x only affects dirs because we need to avoid recursing
1179 * into a mount-point directory, not to avoid copying a
1180 * symlinked file if -L (or similar) was specified. */
1181 if (one_file_system
&& st
.st_dev
!= filesystem_dev
1182 && BITS_SETnUNSET(flags
, FLAG_CONTENT_DIR
, FLAG_TOP_DIR
)) {
1183 if (one_file_system
> 1) {
1184 if (INFO_GTE(MOUNT
, 1)) {
1186 "[%s] skipping mount-point dir %s\n",
1187 who_am_i(), thisname
);
1191 flags
|= FLAG_MOUNT_DIR
;
1192 flags
&= ~FLAG_CONTENT_DIR
;
1195 flags
&= ~FLAG_CONTENT_DIR
;
1197 if (is_excluded(thisname
, S_ISDIR(st
.st_mode
) != 0, filter_level
)) {
1198 if (ignore_perishable
)
1199 non_perishable_cnt
++;
1203 if (lp_ignore_nonreadable(module_id
)) {
1204 #ifdef SUPPORT_LINKS
1205 if (!S_ISLNK(st
.st_mode
))
1207 if (access(thisname
, R_OK
) != 0)
1213 /* Only divert a directory in the main transfer. */
1215 if (flist
->prev
&& S_ISDIR(st
.st_mode
)
1216 && flags
& FLAG_DIVERT_DIRS
) {
1217 /* Room for parent/sibling/next-child info. */
1218 extra_len
+= DIRNODE_EXTRA_CNT
* EXTRA_LEN
;
1220 extra_len
+= PTR_EXTRA_CNT
* EXTRA_LEN
;
1221 pool
= dir_flist
->file_pool
;
1223 pool
= flist
->file_pool
;
1226 /* Directories need an extra int32 for the default ACL. */
1227 if (preserve_acls
&& S_ISDIR(st
.st_mode
))
1228 extra_len
+= EXTRA_LEN
;
1233 if (DEBUG_GTE(FLIST
, 2)) {
1234 rprintf(FINFO
, "[%s] make_file(%s,*,%d)\n",
1235 who_am_i(), thisname
, filter_level
);
1238 if ((basename
= strrchr(thisname
, '/')) != NULL
) {
1239 int len
= basename
++ - thisname
;
1240 if (len
!= lastdir_len
|| memcmp(thisname
, lastdir
, len
) != 0) {
1241 lastdir
= new_array(char, len
+ 1);
1242 memcpy(lastdir
, thisname
, len
);
1243 lastdir
[len
] = '\0';
1247 basename
= thisname
;
1248 basename_len
= strlen(basename
) + 1; /* count the '\0' */
1250 #ifdef SUPPORT_LINKS
1251 linkname_len
= S_ISLNK(st
.st_mode
) ? strlen(linkname
) + 1 : 0;
1256 #if SIZEOF_CAPITAL_OFF_T >= 8
1257 if (st
.st_size
> 0xFFFFFFFFu
&& S_ISREG(st
.st_mode
))
1258 extra_len
+= EXTRA_LEN
;
1261 if (always_checksum
&& am_sender
&& S_ISREG(st
.st_mode
)) {
1262 file_checksum(thisname
, tmp_sum
, st
.st_size
);
1263 if (sender_keeps_checksum
)
1264 extra_len
+= SUM_EXTRA_CNT
* EXTRA_LEN
;
1267 #if EXTRA_ROUNDING > 0
1268 if (extra_len
& (EXTRA_ROUNDING
* EXTRA_LEN
))
1269 extra_len
= (extra_len
| (EXTRA_ROUNDING
* EXTRA_LEN
)) + EXTRA_LEN
;
1272 alloc_len
= FILE_STRUCT_LEN
+ extra_len
+ basename_len
1275 bp
= pool_alloc(pool
, alloc_len
, "make_file");
1277 if (!(bp
= new_array(char, alloc_len
)))
1278 out_of_memory("make_file");
1281 memset(bp
, 0, extra_len
+ FILE_STRUCT_LEN
);
1283 file
= (struct file_struct
*)bp
;
1284 bp
+= FILE_STRUCT_LEN
;
1286 memcpy(bp
, basename
, basename_len
);
1288 #ifdef SUPPORT_HARD_LINKS
1289 if (preserve_hard_links
&& flist
&& flist
->prev
) {
1290 if (protocol_version
>= 28
1291 ? (!S_ISDIR(st
.st_mode
) && st
.st_nlink
> 1)
1292 : S_ISREG(st
.st_mode
)) {
1293 tmp_dev
= (int64
)st
.st_dev
+ 1;
1294 tmp_ino
= (int64
)st
.st_ino
;
1300 #ifdef HAVE_STRUCT_STAT_ST_RDEV
1301 if (IS_DEVICE(st
.st_mode
) || IS_SPECIAL(st
.st_mode
)) {
1302 tmp_rdev
= st
.st_rdev
;
1307 file
->flags
= flags
;
1308 file
->modtime
= st
.st_mtime
;
1309 file
->len32
= (uint32
)st
.st_size
;
1310 #if SIZEOF_CAPITAL_OFF_T >= 8
1311 if (st
.st_size
> 0xFFFFFFFFu
&& S_ISREG(st
.st_mode
)) {
1312 file
->flags
|= FLAG_LENGTH64
;
1313 OPT_EXTRA(file
, 0)->unum
= (uint32
)(st
.st_size
>> 32);
1316 file
->mode
= st
.st_mode
;
1317 if (uid_ndx
) /* Check uid_ndx instead of preserve_uid for del support */
1318 F_OWNER(file
) = st
.st_uid
;
1319 if (gid_ndx
) /* Check gid_ndx instead of preserve_gid for del support */
1320 F_GROUP(file
) = st
.st_gid
;
1322 if (basename
!= thisname
)
1323 file
->dirname
= lastdir
;
1325 #ifdef SUPPORT_LINKS
1327 memcpy(bp
+ basename_len
, linkname
, linkname_len
);
1331 F_PATHNAME(file
) = pathname
;
1333 F_DEPTH(file
) = extra_len
/ EXTRA_LEN
;
1335 if (basename_len
== 0+1) {
1341 if (sender_keeps_checksum
&& S_ISREG(st
.st_mode
))
1342 memcpy(F_SUM(file
), tmp_sum
, checksum_len
);
1345 F_NDX(file
) = stats
.num_dirs
;
1350 /* Only called for temporary file_struct entries created by make_file(). */
1351 void unmake_file(struct file_struct
*file
)
1353 free(REQ_EXTRA(file
, F_DEPTH(file
)));
1356 static struct file_struct
*send_file_name(int f
, struct file_list
*flist
,
1357 const char *fname
, STRUCT_STAT
*stp
,
1358 int flags
, int filter_level
)
1360 struct file_struct
*file
;
1362 file
= make_file(fname
, flist
, stp
, flags
, filter_level
);
1366 if (chmod_modes
&& !S_ISLNK(file
->mode
))
1367 file
->mode
= tweak_mode(file
->mode
, chmod_modes
);
1370 char fbuf
[MAXPATHLEN
];
1371 #ifdef SUPPORT_LINKS
1372 const char *symlink_name
;
1375 char symlink_buf
[MAXPATHLEN
];
1378 #if defined SUPPORT_ACLS || defined SUPPORT_XATTRS
1382 #ifdef SUPPORT_LINKS
1383 if (preserve_links
&& S_ISLNK(file
->mode
)) {
1384 symlink_name
= F_SYMLINK(file
);
1385 symlink_len
= strlen(symlink_name
);
1387 symlink_name
= NULL
;
1393 if (ic_send
!= (iconv_t
)-1) {
1396 INIT_CONST_XBUF(outbuf
, fbuf
);
1398 if (file
->dirname
) {
1399 INIT_XBUF_STRLEN(inbuf
, (char*)file
->dirname
);
1400 outbuf
.size
-= 2; /* Reserve room for '/' & 1 more char. */
1401 if (iconvbufs(ic_send
, &inbuf
, &outbuf
, 0) < 0)
1404 fbuf
[outbuf
.len
++] = '/';
1407 INIT_XBUF_STRLEN(inbuf
, (char*)file
->basename
);
1408 if (iconvbufs(ic_send
, &inbuf
, &outbuf
, 0) < 0) {
1410 io_error
|= IOERR_GENERAL
;
1411 rprintf(FERROR_XFER
,
1412 "[%s] cannot convert filename: %s (%s)\n",
1413 who_am_i(), f_name(file
, fbuf
), strerror(errno
));
1416 fbuf
[outbuf
.len
] = '\0';
1418 #ifdef SUPPORT_LINKS
1419 if (symlink_len
&& sender_symlink_iconv
) {
1420 INIT_XBUF(inbuf
, (char*)symlink_name
, symlink_len
, (size_t)-1);
1421 INIT_CONST_XBUF(outbuf
, symlink_buf
);
1422 if (iconvbufs(ic_send
, &inbuf
, &outbuf
, 0) < 0) {
1423 io_error
|= IOERR_GENERAL
;
1425 rprintf(FERROR_XFER
,
1426 "[%s] cannot convert symlink data for: %s (%s)\n",
1427 who_am_i(), full_fname(fbuf
), strerror(errno
));
1430 symlink_buf
[outbuf
.len
] = '\0';
1432 symlink_name
= symlink_buf
;
1433 symlink_len
= outbuf
.len
;
1441 if (preserve_acls
&& !S_ISLNK(file
->mode
)) {
1442 sx
.st
.st_mode
= file
->mode
;
1443 sx
.acc_acl
= sx
.def_acl
= NULL
;
1444 if (get_acl(fname
, &sx
) < 0) {
1445 io_error
|= IOERR_GENERAL
;
1450 #ifdef SUPPORT_XATTRS
1451 if (preserve_xattrs
) {
1453 if (get_xattr(fname
, &sx
) < 0) {
1454 io_error
|= IOERR_GENERAL
;
1460 send_file_entry(f
, fbuf
, file
,
1461 #ifdef SUPPORT_LINKS
1462 symlink_name
, symlink_len
,
1464 flist
->used
, flist
->ndx_start
);
1467 if (preserve_acls
&& !S_ISLNK(file
->mode
)) {
1472 #ifdef SUPPORT_XATTRS
1473 if (preserve_xattrs
) {
1474 F_XATTR(file
) = send_xattr(&sx
, f
);
1480 maybe_emit_filelist_progress(flist
->used
+ flist_count_offset
);
1482 flist_expand(flist
, 1);
1483 flist
->files
[flist
->used
++] = file
;
1488 static void send_if_directory(int f
, struct file_list
*flist
,
1489 struct file_struct
*file
,
1490 char *fbuf
, unsigned int ol
,
1493 char is_dot_dir
= fbuf
[ol
-1] == '.' && (ol
== 1 || fbuf
[ol
-2] == '/');
1495 if (S_ISDIR(file
->mode
)
1496 && !(file
->flags
& FLAG_MOUNT_DIR
) && f_name(file
, fbuf
)) {
1498 unsigned int len
= strlen(fbuf
);
1499 if (len
> 1 && fbuf
[len
-1] == '/')
1501 if (len
>= MAXPATHLEN
- 1) {
1502 io_error
|= IOERR_GENERAL
;
1503 rprintf(FERROR_XFER
, "skipping long-named directory: %s\n",
1507 save_filters
= push_local_filters(fbuf
, len
);
1508 send_directory(f
, flist
, fbuf
, len
, flags
);
1509 pop_local_filters(save_filters
);
1516 static int file_compare(const void *file1
, const void *file2
)
1518 return f_name_cmp(*(struct file_struct
**)file1
,
1519 *(struct file_struct
**)file2
);
1522 /* The guts of a merge-sort algorithm. This was derived from the glibc
1523 * version, but I (Wayne) changed the merge code to do less copying and
1524 * to require only half the amount of temporary memory. */
1525 static void fsort_tmp(struct file_struct
**fp
, size_t num
,
1526 struct file_struct
**tmp
)
1528 struct file_struct
**f1
, **f2
, **t
;
1537 fsort_tmp(f1
, n1
, tmp
);
1539 fsort_tmp(f2
, n2
, tmp
);
1541 while (f_name_cmp(*f1
, *f2
) <= 0) {
1548 memcpy(t
, f1
, n1
* PTR_SIZE
);
1550 *f1
++ = *f2
++, n2
--;
1552 while (n1
> 0 && n2
> 0) {
1553 if (f_name_cmp(*t
, *f2
) <= 0)
1556 *f1
++ = *f2
++, n2
--;
1560 memcpy(f1
, t
, n1
* PTR_SIZE
);
1563 /* This file-struct sorting routine makes sure that any identical names in
1564 * the file list stay in the same order as they were in the original list.
1565 * This is particularly vital in inc_recurse mode where we expect a sort
1566 * on the flist to match the exact order of a sort on the dir_flist. */
1567 static void fsort(struct file_struct
**fp
, size_t num
)
1573 qsort(fp
, num
, PTR_SIZE
, file_compare
);
1575 struct file_struct
**tmp
= new_array(struct file_struct
*,
1577 fsort_tmp(fp
, num
, tmp
);
1582 /* We take an entire set of sibling dirs from the sorted flist and link them
1583 * into the tree, setting the appropriate parent/child/sibling pointers. */
1584 static void add_dirs_to_tree(int parent_ndx
, struct file_list
*from_flist
,
1589 int32
*parent_dp
= parent_ndx
< 0 ? NULL
1590 : F_DIR_NODE_P(dir_flist
->sorted
[parent_ndx
]);
1592 flist_expand(dir_flist
, dir_cnt
);
1593 dir_flist
->sorted
= dir_flist
->files
;
1595 for (i
= 0; dir_cnt
; i
++) {
1596 struct file_struct
*file
= from_flist
->sorted
[i
];
1598 if (!S_ISDIR(file
->mode
))
1601 dir_flist
->files
[dir_flist
->used
++] = file
;
1604 if (file
->basename
[0] == '.' && file
->basename
[1] == '\0')
1608 DIR_NEXT_SIBLING(dp
) = dir_flist
->used
- 1;
1610 DIR_FIRST_CHILD(parent_dp
) = dir_flist
->used
- 1;
1612 send_dir_ndx
= dir_flist
->used
- 1;
1614 dp
= F_DIR_NODE_P(file
);
1615 DIR_PARENT(dp
) = parent_ndx
;
1616 DIR_FIRST_CHILD(dp
) = -1;
1619 DIR_NEXT_SIBLING(dp
) = -1;
1622 /* This function is normally called by the sender, but the receiving side also
1623 * calls it from get_dirlist() with f set to -1 so that we just construct the
1624 * file list in memory without sending it over the wire. Also, get_dirlist()
1625 * might call this with f set to -2, which also indicates that local filter
1626 * rules should be ignored. */
1627 static void send_directory(int f
, struct file_list
*flist
, char *fbuf
, int len
,
1634 int divert_dirs
= (flags
& FLAG_DIVERT_DIRS
) != 0;
1635 int start
= flist
->used
;
1636 int filter_level
= f
== -2 ? SERVER_FILTERS
: ALL_FILTERS
;
1638 assert(flist
!= NULL
);
1640 if (!(d
= opendir(fbuf
))) {
1641 io_error
|= IOERR_GENERAL
;
1642 rsyserr(FERROR_XFER
, errno
, "opendir %s failed", full_fname(fbuf
));
1647 if (len
!= 1 || *fbuf
!= '/')
1650 remainder
= MAXPATHLEN
- (p
- fbuf
);
1652 for (errno
= 0, di
= readdir(d
); di
; errno
= 0, di
= readdir(d
)) {
1653 char *dname
= d_name(di
);
1654 if (dname
[0] == '.' && (dname
[1] == '\0'
1655 || (dname
[1] == '.' && dname
[2] == '\0')))
1657 if (strlcpy(p
, dname
, remainder
) >= remainder
) {
1658 io_error
|= IOERR_GENERAL
;
1659 rprintf(FERROR_XFER
,
1660 "cannot send long-named file %s\n",
1664 if (dname
[0] == '\0') {
1665 io_error
|= IOERR_GENERAL
;
1666 rprintf(FERROR_XFER
,
1667 "cannot send file with empty name in %s\n",
1672 send_file_name(f
, flist
, fbuf
, NULL
, flags
, filter_level
);
1678 io_error
|= IOERR_GENERAL
;
1679 rsyserr(FERROR_XFER
, errno
, "readdir(%s)", full_fname(fbuf
));
1684 if (f
>= 0 && recurse
&& !divert_dirs
) {
1685 int i
, end
= flist
->used
- 1;
1686 /* send_if_directory() bumps flist->used, so use "end". */
1687 for (i
= start
; i
<= end
; i
++)
1688 send_if_directory(f
, flist
, flist
->files
[i
], fbuf
, len
, flags
);
1692 static void send_implied_dirs(int f
, struct file_list
*flist
, char *fname
,
1693 char *start
, char *limit
, int flags
, char name_type
)
1695 static char lastpath
[MAXPATHLEN
] = "";
1696 static int lastpath_len
= 0;
1697 static struct file_struct
*lastpath_struct
= NULL
;
1698 struct file_struct
*file
;
1699 item_list
*relname_list
;
1700 relnamecache
**rnpp
;
1701 int len
, need_new_dir
, depth
= 0;
1702 struct filter_list_struct save_filter_list
= filter_list
;
1704 flags
= (flags
| FLAG_IMPLIED_DIR
) & ~(FLAG_TOP_DIR
| FLAG_CONTENT_DIR
);
1705 filter_list
.head
= filter_list
.tail
= NULL
; /* Don't filter implied dirs. */
1708 if (lastpath_struct
&& F_PATHNAME(lastpath_struct
) == pathname
1709 && lastpath_len
== limit
- fname
1710 && strncmp(lastpath
, fname
, lastpath_len
) == 0)
1715 char *tp
= fname
, *lp
= lastpath
;
1716 /* Skip any initial directories in our path that we
1717 * have in common with lastpath. */
1718 assert(start
== fname
);
1719 for ( ; ; tp
++, lp
++) {
1721 if (*lp
== '/' || *lp
== '\0')
1736 int save_copy_links
= copy_links
;
1737 int save_xfer_dirs
= xfer_dirs
;
1740 copy_links
= xfer_dirs
= 1;
1744 for (slash
= start
; (slash
= strchr(slash
+1, '/')) != NULL
; ) {
1746 file
= send_file_name(f
, flist
, fname
, NULL
, flags
, ALL_FILTERS
);
1748 if (!inc_recurse
&& file
&& S_ISDIR(file
->mode
))
1749 change_local_filter_dir(fname
, strlen(fname
), depth
);
1753 file
= send_file_name(f
, flist
, fname
, NULL
, flags
, ALL_FILTERS
);
1755 if (file
&& !S_ISDIR(file
->mode
))
1757 lastpath_struct
= file
;
1758 } else if (file
&& S_ISDIR(file
->mode
))
1759 change_local_filter_dir(fname
, strlen(fname
), ++depth
);
1761 strlcpy(lastpath
, fname
, sizeof lastpath
);
1762 lastpath_len
= limit
- fname
;
1766 copy_links
= save_copy_links
;
1767 xfer_dirs
= save_xfer_dirs
;
1773 if (!lastpath_struct
)
1774 goto done
; /* dir must have vanished */
1776 len
= strlen(limit
+1);
1777 memcpy(&relname_list
, F_DIR_RELNAMES_P(lastpath_struct
), sizeof relname_list
);
1778 if (!relname_list
) {
1779 if (!(relname_list
= new0(item_list
)))
1780 out_of_memory("send_implied_dirs");
1781 memcpy(F_DIR_RELNAMES_P(lastpath_struct
), &relname_list
, sizeof relname_list
);
1783 rnpp
= EXPAND_ITEM_LIST(relname_list
, relnamecache
*, 32);
1784 if (!(*rnpp
= (relnamecache
*)new_array(char, sizeof (relnamecache
) + len
)))
1785 out_of_memory("send_implied_dirs");
1786 (*rnpp
)->name_type
= name_type
;
1787 strlcpy((*rnpp
)->fname
, limit
+1, len
+ 1);
1790 filter_list
= save_filter_list
;
1793 static void send1extra(int f
, struct file_struct
*file
, struct file_list
*flist
)
1795 char fbuf
[MAXPATHLEN
];
1796 item_list
*relname_list
;
1797 int len
, dlen
, flags
= FLAG_DIVERT_DIRS
| FLAG_CONTENT_DIR
;
1801 dlen
= strlen(fbuf
);
1803 if (!change_pathname(file
, NULL
, 0))
1804 exit_cleanup(RERR_FILESELECT
);
1806 change_local_filter_dir(fbuf
, dlen
, send_dir_depth
);
1808 if (file
->flags
& FLAG_CONTENT_DIR
) {
1809 if (one_file_system
) {
1811 if (link_stat(fbuf
, &st
, copy_dirlinks
) != 0) {
1812 io_error
|= IOERR_GENERAL
;
1813 rsyserr(FERROR_XFER
, errno
, "link_stat %s failed",
1817 filesystem_dev
= st
.st_dev
;
1819 send_directory(f
, flist
, fbuf
, dlen
, flags
);
1822 if (!relative_paths
)
1825 memcpy(&relname_list
, F_DIR_RELNAMES_P(file
), sizeof relname_list
);
1829 for (j
= 0; j
< relname_list
->count
; j
++) {
1831 relnamecache
*rnp
= ((relnamecache
**)relname_list
->items
)[j
];
1832 char name_type
= rnp
->name_type
;
1835 len
= strlcpy(fbuf
+ dlen
+ 1, rnp
->fname
, sizeof fbuf
- dlen
- 1);
1837 if (len
>= (int)sizeof fbuf
)
1838 continue; /* Impossible... */
1840 slash
= strchr(fbuf
+dlen
+1, '/');
1842 send_implied_dirs(f
, flist
, fbuf
, fbuf
+dlen
+1, slash
, flags
, name_type
);
1846 if (name_type
!= NORMAL_NAME
) {
1848 if (link_stat(fbuf
, &st
, 1) != 0) {
1849 io_error
|= IOERR_GENERAL
;
1850 rsyserr(FERROR_XFER
, errno
, "link_stat %s failed",
1854 send_file_name(f
, flist
, fbuf
, &st
, FLAG_TOP_DIR
| flags
, ALL_FILTERS
);
1856 send_file_name(f
, flist
, fbuf
, NULL
, FLAG_TOP_DIR
| flags
, ALL_FILTERS
);
1862 void send_extra_file_list(int f
, int at_least
)
1864 struct file_list
*flist
;
1867 int old_cnt
, save_io_error
= io_error
;
1872 /* Keep sending data until we have the requested number of
1873 * files in the upcoming file-lists. */
1874 old_cnt
= cur_flist
->used
;
1875 for (flist
= first_flist
; flist
!= cur_flist
; flist
= flist
->next
)
1876 old_cnt
+= flist
->used
;
1877 while (file_total
- old_cnt
< at_least
) {
1878 struct file_struct
*file
= dir_flist
->sorted
[send_dir_ndx
];
1879 int dir_ndx
, dstart
= stats
.num_dirs
;
1880 const char *pathname
= F_PATHNAME(file
);
1883 flist
= flist_new(0, "send_extra_file_list");
1884 start_write
= stats
.total_written
;
1887 dir_ndx
= F_NDX(file
);
1889 dir_ndx
= send_dir_ndx
;
1890 write_ndx(f
, NDX_FLIST_OFFSET
- dir_ndx
);
1891 flist
->parent_ndx
= dir_ndx
;
1893 send1extra(f
, file
, flist
);
1894 prev_flags
= file
->flags
;
1895 dp
= F_DIR_NODE_P(file
);
1897 /* If there are any duplicate directory names that follow, we
1898 * send all the dirs together in one file-list. The dir_flist
1899 * tree links all the child subdirs onto the last dup dir. */
1900 while ((dir_ndx
= DIR_NEXT_SIBLING(dp
)) >= 0
1901 && dir_flist
->sorted
[dir_ndx
]->flags
& FLAG_DUPLICATE
) {
1902 send_dir_ndx
= dir_ndx
;
1903 file
= dir_flist
->sorted
[dir_ndx
];
1904 /* Try to avoid some duplicate scanning of identical dirs. */
1905 if (F_PATHNAME(file
) == pathname
&& prev_flags
& FLAG_CONTENT_DIR
)
1906 file
->flags
&= ~FLAG_CONTENT_DIR
;
1907 send1extra(f
, file
, flist
);
1908 prev_flags
= file
->flags
;
1909 dp
= F_DIR_NODE_P(file
);
1912 if (protocol_version
< 31 || io_error
== save_io_error
|| ignore_errors
)
1915 write_shortint(f
, XMIT_EXTENDED_FLAGS
|XMIT_IO_ERROR_ENDLIST
);
1916 write_int(f
, io_error
);
1919 if (need_unsorted_flist
) {
1920 if (!(flist
->sorted
= new_array(struct file_struct
*, flist
->used
)))
1921 out_of_memory("send_extra_file_list");
1922 memcpy(flist
->sorted
, flist
->files
,
1923 flist
->used
* sizeof (struct file_struct
*));
1925 flist
->sorted
= flist
->files
;
1927 flist_sort_and_clean(flist
, 0);
1929 add_dirs_to_tree(send_dir_ndx
, flist
, stats
.num_dirs
- dstart
);
1930 flist_done_allocating(flist
);
1932 file_total
+= flist
->used
;
1933 stats
.flist_size
+= stats
.total_written
- start_write
;
1934 stats
.num_files
+= flist
->used
;
1935 if (DEBUG_GTE(FLIST
, 3))
1936 output_flist(flist
);
1938 if (DIR_FIRST_CHILD(dp
) >= 0) {
1939 send_dir_ndx
= DIR_FIRST_CHILD(dp
);
1942 while (DIR_NEXT_SIBLING(dp
) < 0) {
1943 if ((send_dir_ndx
= DIR_PARENT(dp
)) < 0) {
1944 write_ndx(f
, NDX_FLIST_EOF
);
1946 change_local_filter_dir(NULL
, 0, 0);
1950 file
= dir_flist
->sorted
[send_dir_ndx
];
1951 dp
= F_DIR_NODE_P(file
);
1953 send_dir_ndx
= DIR_NEXT_SIBLING(dp
);
1958 if (io_error
!= save_io_error
&& protocol_version
== 30 && !ignore_errors
)
1959 send_msg_int(MSG_IO_ERROR
, io_error
);
1962 struct file_list
*send_file_list(int f
, int argc
, char *argv
[])
1964 static const char *lastdir
;
1965 static int lastdir_len
= -1;
1969 struct file_list
*flist
;
1970 struct timeval start_tv
, end_tv
;
1973 int disable_buffering
;
1974 int flags
= recurse
? FLAG_CONTENT_DIR
: 0;
1975 int reading_remotely
= filesfrom_host
!= NULL
;
1976 int rl_flags
= (reading_remotely
? 0 : RL_DUMP_COMMENTS
)
1978 | (filesfrom_convert
? RL_CONVERT
: 0)
1980 | (eol_nulls
|| reading_remotely
? RL_EOL_NULLS
: 0);
1981 int implied_dot_dir
= 0;
1983 rprintf(FLOG
, "building file list\n");
1984 if (show_filelist_p())
1985 start_filelist_progress("building file list");
1986 else if (inc_recurse
&& INFO_GTE(FLIST
, 1) && !am_server
)
1987 rprintf(FCLIENT
, "sending incremental file list\n");
1989 start_write
= stats
.total_written
;
1990 gettimeofday(&start_tv
, NULL
);
1992 if (relative_paths
&& protocol_version
>= 30)
1993 implied_dirs
= 1; /* We send flagged implied dirs */
1995 #ifdef SUPPORT_HARD_LINKS
1996 if (preserve_hard_links
&& protocol_version
>= 30 && !cur_flist
)
2000 flist
= cur_flist
= flist_new(0, "send_file_list");
2002 dir_flist
= flist_new(FLIST_TEMP
, "send_file_list");
2003 flags
|= FLAG_DIVERT_DIRS
;
2005 dir_flist
= cur_flist
;
2007 disable_buffering
= io_start_buffering_out(f
);
2008 if (filesfrom_fd
>= 0) {
2009 if (argv
[0] && !change_dir(argv
[0], CD_NORMAL
)) {
2010 rsyserr(FERROR_XFER
, errno
, "change_dir %s failed",
2011 full_fname(argv
[0]));
2012 exit_cleanup(RERR_FILESELECT
);
2018 orig_dir
= strdup(curr_dir
);
2021 char fbuf
[MAXPATHLEN
], *fn
, name_type
;
2024 if (read_line(filesfrom_fd
, fbuf
, sizeof fbuf
, rl_flags
) == 0)
2026 sanitize_path(fbuf
, fbuf
, "", 0, SP_KEEP_DOT_DIRS
);
2030 strlcpy(fbuf
, *argv
++, MAXPATHLEN
);
2032 sanitize_path(fbuf
, fbuf
, "", 0, SP_KEEP_DOT_DIRS
);
2036 if (relative_paths
) {
2037 /* We clean up fbuf below. */
2038 name_type
= NORMAL_NAME
;
2039 } else if (!len
|| fbuf
[len
- 1] == '/') {
2040 if (len
== 2 && fbuf
[0] == '.') {
2041 /* Turn "./" into just "." rather than "./." */
2044 if (len
+ 1 >= MAXPATHLEN
)
2045 overflow_exit("send_file_list");
2049 name_type
= DOTDIR_NAME
;
2050 } else if (len
> 1 && fbuf
[len
-1] == '.' && fbuf
[len
-2] == '.'
2051 && (len
== 2 || fbuf
[len
-3] == '/')) {
2052 if (len
+ 2 >= MAXPATHLEN
)
2053 overflow_exit("send_file_list");
2057 name_type
= DOTDIR_NAME
;
2058 } else if (fbuf
[len
-1] == '.' && (len
== 1 || fbuf
[len
-2] == '/'))
2059 name_type
= DOTDIR_NAME
;
2061 name_type
= NORMAL_NAME
;
2065 if (!relative_paths
) {
2066 p
= strrchr(fbuf
, '/');
2073 len
-= p
- fbuf
+ 1;
2078 if ((p
= strstr(fbuf
, "/./")) != NULL
) {
2084 clean_fname(dir
, 0);
2090 *--fn
= '\0'; /* ensure room for '.' */
2093 /* A leading ./ can be used in relative mode to affect
2094 * the dest dir without its name being in the path. */
2095 if (*fn
== '.' && fn
[1] == '/' && !implied_dot_dir
) {
2096 send_file_name(f
, flist
, ".", NULL
,
2097 (flags
| FLAG_IMPLIED_DIR
) & ~FLAG_CONTENT_DIR
,
2099 implied_dot_dir
= 1;
2101 len
= clean_fname(fn
, CFN_KEEP_TRAILING_SLASH
2102 | CFN_DROP_TRAILING_DOT_DIR
);
2107 name_type
= DOTDIR_NAME
;
2108 } else if (fn
[0] == '.')
2109 name_type
= DOTDIR_NAME
;
2110 } else if (fn
[len
-1] == '/') {
2112 if (len
== 1 && *fn
== '.')
2113 name_type
= DOTDIR_NAME
;
2115 name_type
= SLASH_ENDING_NAME
;
2117 /* Reject a ".." dir in the active part of the path. */
2118 for (p
= fn
; (p
= strstr(p
, "..")) != NULL
; p
+= 2) {
2119 if ((p
[2] == '/' || p
[2] == '\0')
2120 && (p
== fn
|| p
[-1] == '/')) {
2122 "found \"..\" dir in relative path: %s\n",
2124 exit_cleanup(RERR_SYNTAX
);
2132 name_type
= DOTDIR_NAME
;
2135 dirlen
= dir
? strlen(dir
) : 0;
2136 if (dirlen
!= lastdir_len
|| memcmp(lastdir
, dir
, dirlen
) != 0) {
2137 if (!change_pathname(NULL
, dir
, -dirlen
))
2140 lastdir_len
= pathname_len
;
2141 } else if (!change_pathname(NULL
, lastdir
, lastdir_len
))
2145 memmove(fbuf
, fn
, len
+ 1);
2147 if (link_stat(fbuf
, &st
, copy_dirlinks
|| name_type
!= NORMAL_NAME
) != 0
2148 || (name_type
!= DOTDIR_NAME
&& is_daemon_excluded(fbuf
, S_ISDIR(st
.st_mode
)))
2149 || (relative_paths
&& path_is_daemon_excluded(fbuf
, 1))) {
2150 io_error
|= IOERR_GENERAL
;
2151 rsyserr(FERROR_XFER
, errno
, "link_stat %s failed",
2156 /* A dot-dir should not be excluded! */
2157 if (name_type
!= DOTDIR_NAME
2158 && is_excluded(fbuf
, S_ISDIR(st
.st_mode
) != 0, ALL_FILTERS
))
2161 if (S_ISDIR(st
.st_mode
) && !xfer_dirs
) {
2162 rprintf(FINFO
, "skipping directory %s\n", fbuf
);
2166 if (inc_recurse
&& relative_paths
&& *fbuf
) {
2167 if ((p
= strchr(fbuf
+1, '/')) != NULL
) {
2168 if (p
- fbuf
== 1 && *fbuf
== '.') {
2169 if ((fn
= strchr(p
+1, '/')) != NULL
)
2173 send_implied_dirs(f
, flist
, fbuf
, fbuf
, p
, flags
, name_type
);
2177 } else if (implied_dirs
&& (p
=strrchr(fbuf
,'/')) && p
!= fbuf
) {
2178 /* Send the implied directories at the start of the
2179 * source spec, so we get their permissions right. */
2180 send_implied_dirs(f
, flist
, fbuf
, fbuf
, p
, flags
, 0);
2183 if (one_file_system
)
2184 filesystem_dev
= st
.st_dev
;
2186 if (recurse
|| (xfer_dirs
&& name_type
!= NORMAL_NAME
)) {
2187 struct file_struct
*file
;
2188 file
= send_file_name(f
, flist
, fbuf
, &st
,
2189 FLAG_TOP_DIR
| FLAG_CONTENT_DIR
| flags
,
2194 if (name_type
== DOTDIR_NAME
) {
2195 if (send_dir_depth
< 0) {
2197 change_local_filter_dir(fbuf
, len
, send_dir_depth
);
2199 send_directory(f
, flist
, fbuf
, len
, flags
);
2202 send_if_directory(f
, flist
, file
, fbuf
, len
, flags
);
2204 send_file_name(f
, flist
, fbuf
, &st
, flags
, NO_FILTERS
);
2207 gettimeofday(&end_tv
, NULL
);
2208 stats
.flist_buildtime
= (int64
)(end_tv
.tv_sec
- start_tv
.tv_sec
) * 1000
2209 + (end_tv
.tv_usec
- start_tv
.tv_usec
) / 1000;
2210 if (stats
.flist_buildtime
== 0)
2211 stats
.flist_buildtime
= 1;
2214 /* Indicate end of file list */
2215 if (protocol_version
< 31 || io_error
== 0 || ignore_errors
)
2218 write_shortint(f
, XMIT_EXTENDED_FLAGS
|XMIT_IO_ERROR_ENDLIST
);
2219 write_int(f
, io_error
);
2222 #ifdef SUPPORT_HARD_LINKS
2223 if (preserve_hard_links
&& protocol_version
>= 30 && !inc_recurse
)
2227 if (show_filelist_p())
2228 finish_filelist_progress(flist
);
2230 gettimeofday(&end_tv
, NULL
);
2231 stats
.flist_xfertime
= (int64
)(end_tv
.tv_sec
- start_tv
.tv_sec
) * 1000
2232 + (end_tv
.tv_usec
- start_tv
.tv_usec
) / 1000;
2234 /* When converting names, both sides keep an unsorted file-list array
2235 * because the names will differ on the sending and receiving sides
2236 * (both sides will use the unsorted index number for each item). */
2238 /* Sort the list without removing any duplicates. This allows the
2239 * receiving side to ask for whatever name it kept. For incremental
2240 * recursion mode, the sender marks duplicate dirs so that it can
2241 * send them together in a single file-list. */
2242 if (need_unsorted_flist
) {
2243 if (!(flist
->sorted
= new_array(struct file_struct
*, flist
->used
)))
2244 out_of_memory("send_file_list");
2245 memcpy(flist
->sorted
, flist
->files
,
2246 flist
->used
* sizeof (struct file_struct
*));
2248 flist
->sorted
= flist
->files
;
2249 flist_sort_and_clean(flist
, 0);
2250 file_total
+= flist
->used
;
2252 if (numeric_ids
<= 0 && !inc_recurse
)
2255 /* send the io_error flag */
2256 if (protocol_version
< 30)
2257 write_int(f
, ignore_errors
? 0 : io_error
);
2258 else if (io_error
&& protocol_version
== 30 && !ignore_errors
)
2259 send_msg_int(MSG_IO_ERROR
, io_error
);
2261 if (disable_buffering
)
2262 io_end_buffering_out();
2264 stats
.flist_size
= stats
.total_written
- start_write
;
2265 stats
.num_files
= flist
->used
;
2267 if (DEBUG_GTE(FLIST
, 3))
2268 output_flist(flist
);
2270 if (DEBUG_GTE(FLIST
, 2))
2271 rprintf(FINFO
, "send_file_list done\n");
2275 add_dirs_to_tree(-1, flist
, stats
.num_dirs
);
2276 if (!file_total
|| strcmp(flist
->sorted
[flist
->low
]->basename
, ".") != 0)
2277 flist
->parent_ndx
= -1;
2278 flist_done_allocating(flist
);
2279 if (send_dir_ndx
< 0) {
2280 write_ndx(f
, NDX_FLIST_EOF
);
2283 else if (file_total
== 1) {
2284 /* If we're creating incremental file-lists and there
2285 * was just 1 item in the first file-list, send 1 more
2286 * file-list to check if this is a 1-file xfer. */
2287 send_extra_file_list(f
, 1);
2294 struct file_list
*recv_file_list(int f
)
2296 struct file_list
*flist
;
2301 if (show_filelist_p())
2302 start_filelist_progress("receiving file list");
2303 else if (inc_recurse
&& INFO_GTE(FLIST
, 1) && !am_server
)
2304 rprintf(FCLIENT
, "receiving incremental file list\n");
2305 rprintf(FLOG
, "receiving file list\n");
2308 start_read
= stats
.total_read
;
2310 #ifdef SUPPORT_HARD_LINKS
2311 if (preserve_hard_links
&& !first_flist
)
2315 flist
= flist_new(0, "recv_file_list");
2318 if (flist
->ndx_start
== 1)
2319 dir_flist
= flist_new(FLIST_TEMP
, "recv_file_list");
2320 dstart
= dir_flist
->used
;
2326 while ((flags
= read_byte(f
)) != 0) {
2327 struct file_struct
*file
;
2329 if (protocol_version
>= 28 && (flags
& XMIT_EXTENDED_FLAGS
))
2330 flags
|= read_byte(f
) << 8;
2332 if (flags
== (XMIT_EXTENDED_FLAGS
|XMIT_IO_ERROR_ENDLIST
)) {
2334 if (protocol_version
< 31) {
2335 rprintf(FERROR
, "Invalid flist flag: %x\n", flags
);
2336 exit_cleanup(RERR_PROTOCOL
);
2344 flist_expand(flist
, 1);
2345 file
= recv_file_entry(flist
, flags
, f
);
2347 if (S_ISREG(file
->mode
)) {
2348 /* Already counted */
2349 } else if (S_ISDIR(file
->mode
)) {
2351 flist_expand(dir_flist
, 1);
2352 dir_flist
->files
[dir_flist
->used
++] = file
;
2355 } else if (S_ISLNK(file
->mode
))
2356 stats
.num_symlinks
++;
2357 else if (IS_DEVICE(file
->mode
))
2358 stats
.num_symlinks
++;
2360 stats
.num_specials
++;
2362 flist
->files
[flist
->used
++] = file
;
2364 maybe_emit_filelist_progress(flist
->used
);
2366 if (DEBUG_GTE(FLIST
, 2)) {
2367 char *name
= f_name(file
, NULL
);
2368 rprintf(FINFO
, "recv_file_name(%s)\n", NS(name
));
2371 file_total
+= flist
->used
;
2373 if (DEBUG_GTE(FLIST
, 2))
2374 rprintf(FINFO
, "received %d names\n", flist
->used
);
2376 if (show_filelist_p())
2377 finish_filelist_progress(flist
);
2379 if (need_unsorted_flist
) {
2380 /* Create an extra array of index pointers that we can sort for
2381 * the generator's use (for wading through the files in sorted
2382 * order and for calling flist_find()). We keep the "files"
2383 * list unsorted for our exchange of index numbers with the
2384 * other side (since their names may not sort the same). */
2385 if (!(flist
->sorted
= new_array(struct file_struct
*, flist
->used
)))
2386 out_of_memory("recv_file_list");
2387 memcpy(flist
->sorted
, flist
->files
,
2388 flist
->used
* sizeof (struct file_struct
*));
2389 if (inc_recurse
&& dir_flist
->used
> dstart
) {
2390 static int dir_flist_malloced
= 0;
2391 if (dir_flist_malloced
< dir_flist
->malloced
) {
2392 dir_flist
->sorted
= realloc_array(dir_flist
->sorted
,
2393 struct file_struct
*,
2394 dir_flist
->malloced
);
2395 dir_flist_malloced
= dir_flist
->malloced
;
2397 memcpy(dir_flist
->sorted
+ dstart
, dir_flist
->files
+ dstart
,
2398 (dir_flist
->used
- dstart
) * sizeof (struct file_struct
*));
2399 fsort(dir_flist
->sorted
+ dstart
, dir_flist
->used
- dstart
);
2402 flist
->sorted
= flist
->files
;
2403 if (inc_recurse
&& dir_flist
->used
> dstart
) {
2404 dir_flist
->sorted
= dir_flist
->files
;
2405 fsort(dir_flist
->sorted
+ dstart
, dir_flist
->used
- dstart
);
2410 flist_done_allocating(flist
);
2412 recv_id_list(f
, flist
);
2414 flist_sort_and_clean(flist
, relative_paths
);
2416 if (protocol_version
< 30) {
2417 /* Recv the io_error flag */
2418 int err
= read_int(f
);
2421 } else if (inc_recurse
&& flist
->ndx_start
== 1) {
2422 if (!file_total
|| strcmp(flist
->sorted
[flist
->low
]->basename
, ".") != 0)
2423 flist
->parent_ndx
= -1;
2426 if (DEBUG_GTE(FLIST
, 3))
2427 output_flist(flist
);
2429 if (DEBUG_GTE(FLIST
, 2))
2430 rprintf(FINFO
, "recv_file_list done\n");
2432 stats
.flist_size
+= stats
.total_read
- start_read
;
2433 stats
.num_files
+= flist
->used
;
2438 /* This is only used once by the receiver if the very first file-list
2439 * has exactly one item in it. */
2440 void recv_additional_file_list(int f
)
2442 struct file_list
*flist
;
2443 int ndx
= read_ndx(f
);
2444 if (ndx
== NDX_FLIST_EOF
) {
2446 change_local_filter_dir(NULL
, 0, 0);
2448 ndx
= NDX_FLIST_OFFSET
- ndx
;
2449 if (ndx
< 0 || ndx
>= dir_flist
->used
) {
2450 ndx
= NDX_FLIST_OFFSET
- ndx
;
2452 "[%s] Invalid dir index: %d (%d - %d)\n",
2453 who_am_i(), ndx
, NDX_FLIST_OFFSET
,
2454 NDX_FLIST_OFFSET
- dir_flist
->used
+ 1);
2455 exit_cleanup(RERR_PROTOCOL
);
2457 if (DEBUG_GTE(FLIST
, 3)) {
2458 rprintf(FINFO
, "[%s] receiving flist for dir %d\n",
2461 flist
= recv_file_list(f
);
2462 flist
->parent_ndx
= ndx
;
2466 /* Search for an identically-named item in the file list. Note that the
2467 * items must agree in their directory-ness, or no match is returned. */
2468 int flist_find(struct file_list
*flist
, struct file_struct
*f
)
2470 int low
= flist
->low
, high
= flist
->high
;
2471 int diff
, mid
, mid_up
;
2473 while (low
<= high
) {
2474 mid
= (low
+ high
) / 2;
2475 if (F_IS_ACTIVE(flist
->sorted
[mid
]))
2478 /* Scan for the next non-empty entry using the cached
2479 * distance values. If the value isn't fully up-to-
2480 * date, update it. */
2481 mid_up
= mid
+ F_DEPTH(flist
->sorted
[mid
]);
2482 if (!F_IS_ACTIVE(flist
->sorted
[mid_up
])) {
2484 mid_up
+= F_DEPTH(flist
->sorted
[mid_up
]);
2485 } while (!F_IS_ACTIVE(flist
->sorted
[mid_up
]));
2486 F_DEPTH(flist
->sorted
[mid
]) = mid_up
- mid
;
2488 if (mid_up
> high
) {
2489 /* If there's nothing left above us, set high to
2490 * a non-empty entry below us and continue. */
2491 high
= mid
- (int)flist
->sorted
[mid
]->len32
;
2492 if (!F_IS_ACTIVE(flist
->sorted
[high
])) {
2494 high
-= (int)flist
->sorted
[high
]->len32
;
2495 } while (!F_IS_ACTIVE(flist
->sorted
[high
]));
2496 flist
->sorted
[mid
]->len32
= mid
- high
;
2501 diff
= f_name_cmp(flist
->sorted
[mid_up
], f
);
2503 if (protocol_version
< 29
2504 && S_ISDIR(flist
->sorted
[mid_up
]->mode
)
2505 != S_ISDIR(f
->mode
))
2517 /* Search for an identically-named item in the file list. Differs from
2518 * flist_find in that an item that agrees with "f" in directory-ness is
2519 * preferred but one that does not is still found. */
2520 int flist_find_ignore_dirness(struct file_list
*flist
, struct file_struct
*f
)
2525 /* First look for an item that agrees in directory-ness. */
2526 ndx
= flist_find(flist
, f
);
2530 /* Temporarily flip f->mode to look for an item of opposite
2531 * directory-ness. */
2532 save_mode
= f
->mode
;
2533 f
->mode
= S_ISDIR(f
->mode
) ? S_IFREG
: S_IFDIR
;
2534 ndx
= flist_find(flist
, f
);
2535 f
->mode
= save_mode
;
2540 * Free up any resources a file_struct has allocated
2541 * and clear the file.
2543 void clear_file(struct file_struct
*file
)
2545 /* The +1 zeros out the first char of the basename. */
2546 memset(file
, 0, FILE_STRUCT_LEN
+ 1);
2547 /* In an empty entry, F_DEPTH() is an offset to the next non-empty
2548 * entry. Likewise for len32 in the opposite direction. We assume
2549 * that we're alone for now since flist_find() will adjust the counts
2550 * it runs into that aren't up-to-date. */
2551 file
->len32
= F_DEPTH(file
) = 1;
2554 /* Allocate a new file list. */
2555 struct file_list
*flist_new(int flags
, char *msg
)
2557 struct file_list
*flist
;
2559 if (!(flist
= new0(struct file_list
)))
2562 if (flags
& FLIST_TEMP
) {
2563 if (!(flist
->file_pool
= pool_create(SMALL_EXTENT
, 0,
2568 /* This is a doubly linked list with prev looping back to
2569 * the end of the list, but the last next pointer is NULL. */
2571 flist
->file_pool
= pool_create(NORMAL_EXTENT
, 0,
2574 if (!flist
->file_pool
)
2577 flist
->ndx_start
= flist
->flist_num
= inc_recurse
? 1 : 0;
2579 first_flist
= cur_flist
= flist
->prev
= flist
;
2581 struct file_list
*prev
= first_flist
->prev
;
2583 flist
->file_pool
= first_flist
->file_pool
;
2585 flist
->ndx_start
= prev
->ndx_start
+ prev
->used
+ 1;
2586 flist
->flist_num
= prev
->flist_num
+ 1;
2589 prev
->next
= first_flist
->prev
= flist
;
2591 flist
->pool_boundary
= pool_boundary(flist
->file_pool
, 0);
2598 /* Free up all elements in a flist. */
2599 void flist_free(struct file_list
*flist
)
2602 /* Was FLIST_TEMP dir-list. */
2603 } else if (flist
== flist
->prev
) {
2604 first_flist
= cur_flist
= NULL
;
2608 if (flist
== cur_flist
)
2609 cur_flist
= flist
->next
;
2610 if (flist
== first_flist
)
2611 first_flist
= first_flist
->next
;
2613 flist
->prev
->next
= flist
->next
;
2615 flist
->next
= first_flist
;
2617 flist
->next
->prev
= flist
->prev
;
2618 file_total
-= flist
->used
;
2622 if (!flist
->prev
|| !flist_cnt
)
2623 pool_destroy(flist
->file_pool
);
2625 pool_free_old(flist
->file_pool
, flist
->pool_boundary
);
2627 if (flist
->sorted
&& flist
->sorted
!= flist
->files
)
2628 free(flist
->sorted
);
2633 /* This routine ensures we don't have any duplicate names in our file list.
2634 * duplicate names can cause corruption because of the pipelining. */
2635 static void flist_sort_and_clean(struct file_list
*flist
, int strip_root
)
2637 char fbuf
[MAXPATHLEN
];
2642 if (flist
->used
== 0) {
2648 fsort(flist
->sorted
, flist
->used
);
2650 if (!am_sender
|| inc_recurse
) {
2651 for (i
= prev_i
= 0; i
< flist
->used
; i
++) {
2652 if (F_IS_ACTIVE(flist
->sorted
[i
])) {
2657 flist
->low
= prev_i
;
2659 i
= prev_i
= flist
->used
- 1;
2663 while (++i
< flist
->used
) {
2665 struct file_struct
*file
= flist
->sorted
[i
];
2667 if (!F_IS_ACTIVE(file
))
2669 if (f_name_cmp(file
, flist
->sorted
[prev_i
]) == 0)
2671 else if (protocol_version
>= 29 && S_ISDIR(file
->mode
)) {
2672 int save_mode
= file
->mode
;
2673 /* Make sure that this directory doesn't duplicate a
2674 * non-directory earlier in the list. */
2675 flist
->high
= prev_i
;
2676 file
->mode
= S_IFREG
;
2677 j
= flist_find(flist
, file
);
2678 file
->mode
= save_mode
;
2683 /* If one is a dir and the other is not, we want to
2684 * keep the dir because it might have contents in the
2685 * list. Otherwise keep the first one. */
2686 if (S_ISDIR(file
->mode
)) {
2687 struct file_struct
*fp
= flist
->sorted
[j
];
2688 if (!S_ISDIR(fp
->mode
))
2692 file
->flags
|= FLAG_DUPLICATE
;
2693 else { /* Make sure we merge our vital flags. */
2694 fp
->flags
|= file
->flags
& (FLAG_TOP_DIR
|FLAG_CONTENT_DIR
);
2695 fp
->flags
&= file
->flags
| ~FLAG_IMPLIED_DIR
;
2703 if (DEBUG_GTE(DUP
, 1)) {
2705 "removing duplicate name %s from file list (%d)\n",
2706 f_name(file
, fbuf
), drop
+ flist
->ndx_start
);
2708 clear_file(flist
->sorted
[drop
]);
2712 if (flist
->low
== drop
) {
2714 j
< i
&& !F_IS_ACTIVE(flist
->sorted
[j
]);
2723 flist
->high
= prev_i
;
2726 /* We need to strip off the leading slashes for relative
2727 * paths, but this must be done _after_ the sorting phase. */
2728 for (i
= flist
->low
; i
<= flist
->high
; i
++) {
2729 struct file_struct
*file
= flist
->sorted
[i
];
2733 while (*file
->dirname
== '/')
2735 if (!*file
->dirname
)
2736 file
->dirname
= NULL
;
2740 if (prune_empty_dirs
&& !am_sender
) {
2741 int j
, prev_depth
= 0;
2743 prev_i
= 0; /* It's OK that this isn't really true. */
2745 for (i
= flist
->low
; i
<= flist
->high
; i
++) {
2746 struct file_struct
*fp
, *file
= flist
->sorted
[i
];
2748 /* This temporarily abuses the F_DEPTH() value for a
2749 * directory that is in a chain that might get pruned.
2750 * We restore the old value if it gets a reprieve. */
2751 if (S_ISDIR(file
->mode
) && F_DEPTH(file
)) {
2752 /* Dump empty dirs when coming back down. */
2753 for (j
= prev_depth
; j
>= F_DEPTH(file
); j
--) {
2754 fp
= flist
->sorted
[prev_i
];
2755 if (F_DEPTH(fp
) >= 0)
2757 prev_i
= -F_DEPTH(fp
)-1;
2760 prev_depth
= F_DEPTH(file
);
2761 if (is_excluded(f_name(file
, fbuf
), 1,
2763 /* Keep dirs through this dir. */
2764 for (j
= prev_depth
-1; ; j
--) {
2765 fp
= flist
->sorted
[prev_i
];
2766 if (F_DEPTH(fp
) >= 0)
2768 prev_i
= -F_DEPTH(fp
)-1;
2772 F_DEPTH(file
) = -prev_i
-1;
2775 /* Keep dirs through this non-dir. */
2776 for (j
= prev_depth
; ; j
--) {
2777 fp
= flist
->sorted
[prev_i
];
2778 if (F_DEPTH(fp
) >= 0)
2780 prev_i
= -F_DEPTH(fp
)-1;
2785 /* Dump all remaining empty dirs. */
2787 struct file_struct
*fp
= flist
->sorted
[prev_i
];
2788 if (F_DEPTH(fp
) >= 0)
2790 prev_i
= -F_DEPTH(fp
)-1;
2794 for (i
= flist
->low
; i
<= flist
->high
; i
++) {
2795 if (F_IS_ACTIVE(flist
->sorted
[i
]))
2799 for (i
= flist
->high
; i
>= flist
->low
; i
--) {
2800 if (F_IS_ACTIVE(flist
->sorted
[i
]))
2807 static void output_flist(struct file_list
*flist
)
2809 char uidbuf
[16], gidbuf
[16], depthbuf
[16];
2810 struct file_struct
*file
;
2811 const char *root
, *dir
, *slash
, *name
, *trail
;
2812 const char *who
= who_am_i();
2815 rprintf(FINFO
, "[%s] flist start=%d, used=%d, low=%d, high=%d\n",
2816 who
, flist
->ndx_start
, flist
->used
, flist
->low
, flist
->high
);
2817 for (i
= 0; i
< flist
->used
; i
++) {
2818 file
= flist
->files
[i
];
2819 if ((am_root
|| am_sender
) && uid_ndx
) {
2820 snprintf(uidbuf
, sizeof uidbuf
, " uid=%u",
2825 static char parens
[] = "(\0)\0\0\0";
2826 char *pp
= parens
+ (file
->flags
& FLAG_SKIP_GROUP
? 0 : 3);
2827 snprintf(gidbuf
, sizeof gidbuf
, " gid=%s%u%s",
2828 pp
, F_GROUP(file
), pp
+ 2);
2832 snprintf(depthbuf
, sizeof depthbuf
, "%d", F_DEPTH(file
));
2833 if (F_IS_ACTIVE(file
)) {
2834 root
= am_sender
? NS(F_PATHNAME(file
)) : depthbuf
;
2835 if ((dir
= file
->dirname
) == NULL
)
2839 name
= file
->basename
;
2840 trail
= S_ISDIR(file
->mode
) ? "/" : "";
2842 root
= dir
= slash
= name
= trail
= "";
2844 "[%s] i=%d %s %s%s%s%s mode=0%o len=%s%s%s flags=%x\n",
2845 who
, i
+ flist
->ndx_start
,
2846 root
, dir
, slash
, name
, trail
,
2847 (int)file
->mode
, comma_num(F_LENGTH(file
)),
2848 uidbuf
, gidbuf
, file
->flags
);
2852 enum fnc_state
{ s_DIR
, s_SLASH
, s_BASE
, s_TRAILING
};
2853 enum fnc_type
{ t_PATH
, t_ITEM
};
2855 static int found_prefix
;
2857 /* Compare the names of two file_struct entities, similar to how strcmp()
2858 * would do if it were operating on the joined strings.
2860 * Some differences beginning with protocol_version 29: (1) directory names
2861 * are compared with an assumed trailing slash so that they compare in a
2862 * way that would cause them to sort immediately prior to any content they
2863 * may have; (2) a directory of any name compares after a non-directory of
2864 * any name at the same depth; (3) a directory with name "." compares prior
2865 * to anything else. These changes mean that a directory and a non-dir
2866 * with the same name will not compare as equal (protocol_version >= 29).
2868 * The dirname component can be an empty string, but the basename component
2869 * cannot (and never is in the current codebase). The basename component
2870 * may be NULL (for a removed item), in which case it is considered to be
2871 * after any existing item. */
2872 int f_name_cmp(const struct file_struct
*f1
, const struct file_struct
*f2
)
2875 const uchar
*c1
, *c2
;
2876 enum fnc_state state1
, state2
;
2877 enum fnc_type type1
, type2
;
2878 enum fnc_type t_path
= protocol_version
>= 29 ? t_PATH
: t_ITEM
;
2880 if (!f1
|| !F_IS_ACTIVE(f1
)) {
2881 if (!f2
|| !F_IS_ACTIVE(f2
))
2885 if (!f2
|| !F_IS_ACTIVE(f2
))
2888 c1
= (uchar
*)f1
->dirname
;
2889 c2
= (uchar
*)f2
->dirname
;
2893 type1
= S_ISDIR(f1
->mode
) ? t_path
: t_ITEM
;
2894 c1
= (const uchar
*)f1
->basename
;
2895 if (type1
== t_PATH
&& *c1
== '.' && !c1
[1]) {
2897 state1
= s_TRAILING
;
2906 type2
= S_ISDIR(f2
->mode
) ? t_path
: t_ITEM
;
2907 c2
= (const uchar
*)f2
->basename
;
2908 if (type2
== t_PATH
&& *c2
== '.' && !c2
[1]) {
2910 state2
= s_TRAILING
;
2920 return type1
== t_PATH
? 1 : -1;
2930 type1
= S_ISDIR(f1
->mode
) ? t_path
: t_ITEM
;
2931 c1
= (const uchar
*)f1
->basename
;
2932 if (type1
== t_PATH
&& *c1
== '.' && !c1
[1]) {
2934 state1
= s_TRAILING
;
2940 state1
= s_TRAILING
;
2941 if (type1
== t_PATH
) {
2950 if (*c2
&& type1
!= type2
)
2951 return type1
== t_PATH
? 1 : -1;
2960 type2
= S_ISDIR(f2
->mode
) ? t_path
: t_ITEM
;
2961 c2
= (const uchar
*)f2
->basename
;
2962 if (type2
== t_PATH
&& *c2
== '.' && !c2
[1]) {
2964 state2
= s_TRAILING
;
2970 state2
= s_TRAILING
;
2971 if (type2
== t_PATH
) {
2984 return type1
== t_PATH
? 1 : -1;
2986 } while ((dif
= (int)*c1
++ - (int)*c2
++) == 0);
2991 /* Returns 1 if f1's filename has all of f2's filename as a prefix. This does
2992 * not match if f2's basename is not an exact match of a path element in f1.
2993 * E.g. /path/foo is not a prefix of /path/foobar/baz, but /path/foobar is. */
2994 int f_name_has_prefix(const struct file_struct
*f1
, const struct file_struct
*f2
)
2998 return found_prefix
;
3001 char *f_name_buf(void)
3003 static char names
[5][MAXPATHLEN
];
3004 static unsigned int n
;
3006 n
= (n
+ 1) % (sizeof names
/ sizeof names
[0]);
3011 /* Return a copy of the full filename of a flist entry, using the indicated
3012 * buffer or one of 5 static buffers if fbuf is NULL. No size-checking is
3013 * done because we checked the size when creating the file_struct entry.
3015 char *f_name(const struct file_struct
*f
, char *fbuf
)
3017 if (!f
|| !F_IS_ACTIVE(f
))
3021 fbuf
= f_name_buf();
3024 int len
= strlen(f
->dirname
);
3025 memcpy(fbuf
, f
->dirname
, len
);
3027 strlcpy(fbuf
+ len
+ 1, f
->basename
, MAXPATHLEN
- (len
+ 1));
3029 strlcpy(fbuf
, f
->basename
, MAXPATHLEN
);
3034 /* Do a non-recursive scan of the named directory, possibly ignoring all
3035 * exclude rules except for the daemon's. If "dlen" is >=0, it is the length
3036 * of the dirname string, and also indicates that "dirname" is a MAXPATHLEN
3037 * buffer (the functions we call will append names onto the end, but the old
3038 * dir value will be restored on exit). */
3039 struct file_list
*get_dirlist(char *dirname
, int dlen
, int ignore_filter_rules
)
3041 struct file_list
*dirlist
;
3042 char dirbuf
[MAXPATHLEN
];
3043 int save_recurse
= recurse
;
3044 int save_xfer_dirs
= xfer_dirs
;
3045 int save_prune_empty_dirs
= prune_empty_dirs
;
3048 dlen
= strlcpy(dirbuf
, dirname
, MAXPATHLEN
);
3049 if (dlen
>= MAXPATHLEN
)
3054 dirlist
= flist_new(FLIST_TEMP
, "get_dirlist");
3058 send_directory(ignore_filter_rules
? -2 : -1, dirlist
, dirname
, dlen
, 0);
3059 xfer_dirs
= save_xfer_dirs
;
3060 recurse
= save_recurse
;
3061 if (INFO_GTE(PROGRESS
, 1))
3062 flist_count_offset
+= dirlist
->used
;
3064 prune_empty_dirs
= 0;
3065 dirlist
->sorted
= dirlist
->files
;
3066 flist_sort_and_clean(dirlist
, 0);
3067 prune_empty_dirs
= save_prune_empty_dirs
;
3069 if (DEBUG_GTE(FLIST
, 3))
3070 output_flist(dirlist
);