2 * Command-line (and received via daemon-socket) option parsing.
4 * Copyright (C) 1998-2001 Andrew Tridgell <tridge@samba.org>
5 * Copyright (C) 2000, 2001, 2002 Martin Pool <mbp@samba.org>
6 * Copyright (C) 2002-2008 Wayne Davison
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, visit the http://fsf.org website.
25 #include "zlib/zlib.h"
28 extern int local_server;
29 extern int sanitize_paths;
30 extern int daemon_over_rsh;
31 extern unsigned int module_dirlen;
32 extern struct filter_list_struct filter_list;
33 extern struct filter_list_struct daemon_filter_list;
38 * If 1, send the whole file as literal data rather than trying to
39 * create an incremental diff.
41 * If -1, then look at whether we're local or remote and go by that.
43 * @sa disable_deltas_p()
48 int keep_dirlinks = 0;
49 int copy_dirlinks = 0;
51 int preserve_links = 0;
52 int preserve_hard_links = 0;
53 int preserve_acls = 0;
54 int preserve_xattrs = 0;
55 int preserve_perms = 0;
56 int preserve_executability = 0;
57 int preserve_devices = 0;
58 int preserve_specials = 0;
61 int preserve_times = 0;
68 int delete_during = 0;
69 int delete_before = 0;
71 int delete_excluded = 0;
72 int remove_source_files = 0;
73 int one_file_system = 0;
74 int protocol_version = PROTOCOL_VERSION;
76 int do_compression = 0;
77 int def_compress_level = Z_DEFAULT_COMPRESSION;
78 int am_root = 0; /* 0 = normal, 1 = root, 2 = --super, -1 = --fake-super */
81 int am_starting_up = 1;
82 int relative_paths = -1;
86 int allow_8bit_chars = 0;
89 int prune_empty_dirs = 0;
91 char *files_from = NULL;
92 int filesfrom_fd = -1;
93 char *filesfrom_host = NULL;
96 int human_readable = 1;
98 int allow_inc_recurse = 1;
101 int connect_timeout = 0;
102 int keep_partial = 0;
103 int safe_symlinks = 0;
104 int copy_unsafe_links = 0;
105 int munge_symlinks = 0;
107 int daemon_bwlimit = 0;
110 size_t bwlimit_writemax = 0;
111 int ignore_existing = 0;
112 int ignore_non_existing = 0;
113 int need_messages_from_generator = 0;
114 int max_delete = INT_MIN;
117 int ignore_errors = 0;
118 int modify_window = 0;
119 int blocking_io = -1;
120 int checksum_seed = 0;
122 int delay_updates = 0;
123 long block_size = 0; /* "long" because popt can't set an int32. */
124 char number_separator;
125 char *skip_compress = NULL;
126 item_list dparam_list = EMPTY_ITEM_LIST;
128 /** Network address family. **/
131 = 0; /* Any protocol */
133 = AF_INET; /* Must use IPv4 */
137 # define AF_INET6 AF_INET /* make -6 option a no-op */
140 /** Do not go into the background when run as --daemon. Good
141 * for debugging and required for running as a service on W32,
142 * or under Unix process-monitors. **/
144 #if defined _WIN32 || defined __WIN32__
152 int backup_dir_len = 0;
153 int backup_suffix_len;
154 unsigned int backup_dir_remainder;
156 char *backup_suffix = NULL;
158 char *partial_dir = NULL;
159 char *basis_dir[MAX_BASIS_DIRS+1];
160 char *config_file = NULL;
161 char *shell_cmd = NULL;
162 char *logfile_name = NULL;
163 char *logfile_format = NULL;
164 char *stdout_format = NULL;
165 char *password_file = NULL;
166 char *rsync_path = RSYNC_PATH;
167 char *backup_dir = NULL;
168 char backup_dir_buf[MAXPATHLEN];
169 char *sockopts = NULL;
171 int compare_dest = 0;
174 int basis_dir_cnt = 0;
175 char *dest_option = NULL;
177 static int remote_option_alloc = 0;
178 int remote_option_cnt = 0;
179 const char **remote_options = NULL;
183 int log_before_transfer = 0;
184 int stdout_format_has_i = 0;
185 int stdout_format_has_o_or_i = 0;
186 int logfile_format_has_i = 0;
187 int logfile_format_has_o_or_i = 0;
188 int always_checksum = 0;
191 #define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
192 char *batch_name = NULL;
194 int need_unsorted_flist = 0;
196 char *iconv_opt = ICONV_OPTION;
199 struct chmod_mode_struct *chmod_modes = NULL;
201 static const char *debug_verbosity[] = {
204 /*2*/ "bind,cmd,connect,del,deltasum,dup,filter,flist,iconv",
205 /*3*/ "acl,backup,deltasum2,del2,exit,filter2,flist2,fuzzy,genr,own,recv,send,time",
206 /*4*/ "cmd2,deltasum3,del3,exit2,flist3,iconv2,own2,proto,time2",
207 /*5*/ "chdir,deltasum4,flist4,fuzzy2,hash,hlink",
210 #define MAX_VERBOSITY ((int)(sizeof debug_verbosity / sizeof debug_verbosity[0]) - 1)
212 static const char *info_verbosity[1+MAX_VERBOSITY] = {
214 /*1*/ "copy,del,flist,misc,name,stats,symsafe",
215 /*2*/ "backup,mount,name2,remove,skip",
218 #define MAX_OUT_LEVEL 4 /* The largest N allowed for any flagN word. */
220 short info_levels[COUNT_INFO], debug_levels[COUNT_DEBUG];
222 #define DEFAULT_PRIORITY 0 /* Default/implied/--verbose set values. */
223 #define HELP_PRIORITY 1 /* The help output uses this level. */
224 #define USER_PRIORITY 2 /* User-specified via --info or --debug */
225 #define LIMIT_PRIORITY 3 /* Overriding priority when limiting values. */
227 #define W_CLI (1<<0) /* client side */
228 #define W_SRV (1<<1) /* server side */
229 #define W_SND (1<<2) /* sending side */
230 #define W_REC (1<<3) /* receiving side */
232 struct output_struct {
233 char *name; /* The name of the info/debug flag. */
234 char *help; /* The description of the info/debug flag. */
235 uchar namelen; /* The length of the name string. */
236 uchar flag; /* The flag's value, for consistency check. */
237 uchar where; /* Bits indicating where the flag is used. */
238 uchar priority; /* See *_PRIORITY defines. */
241 #define INFO_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, INFO_##flag, where, 0 }
243 static struct output_struct info_words[COUNT_INFO+1] = {
244 INFO_WORD(BACKUP, W_REC, "Mention files backed up"),
245 INFO_WORD(COPY, W_REC, "Mention files copied locally on the receiving side"),
246 INFO_WORD(DEL, W_REC, "Mention deletions on the receiving side"),
247 INFO_WORD(FLIST, W_CLI, "Mention file-list receiving/sending (levels 1-2)"),
248 INFO_WORD(MISC, W_SND|W_REC, "Mention miscellaneous information"),
249 INFO_WORD(MOUNT, W_SND|W_REC, "Mention mounts that were found or skipped"),
250 INFO_WORD(NAME, W_SND|W_REC, "Mention 1) updated file/dir names, 2) unchanged names"),
251 INFO_WORD(PROGRESS, W_CLI, "Mention 1) per-file progress or 2) total transfer progress"),
252 INFO_WORD(REMOVE, W_SND, "Mention files removed on the sending side"),
253 INFO_WORD(SKIP, W_REC, "Mention files that are skipped due to options used"),
254 INFO_WORD(STATS, W_CLI|W_SRV, "Mention statistics at end of run (levels 1-3)"),
255 INFO_WORD(SYMSAFE, W_SND|W_REC, "Mention symlinks that are unsafe"),
256 { NULL, "--info", 0, 0, 0, 0 }
259 #define DEBUG_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, DEBUG_##flag, where, 0 }
261 static struct output_struct debug_words[COUNT_DEBUG+1] = {
262 DEBUG_WORD(ACL, W_SND|W_REC, "Debug extra ACL info"),
263 DEBUG_WORD(BACKUP, W_REC, "Debug backup actions (levels 1-2)"),
264 DEBUG_WORD(BIND, W_CLI, "Debug socket bind actions"),
265 DEBUG_WORD(CHDIR, W_CLI|W_SRV, "Debug when the current directory changes"),
266 DEBUG_WORD(CONNECT, W_CLI, "Debug connection events"),
267 DEBUG_WORD(CMD, W_CLI, "Debug commands+options that are issued (levels 1-2)"),
268 DEBUG_WORD(DEL, W_REC, "Debug delete actions (levels 1-3)"),
269 DEBUG_WORD(DELTASUM, W_SND|W_REC, "Debug delta-transfer checksumming (levels 1-4)"),
270 DEBUG_WORD(DUP, W_REC, "Debug weeding of duplicate names"),
271 DEBUG_WORD(EXIT, W_CLI|W_SRV, "Debug exit events (levels 1-2)"),
272 DEBUG_WORD(FILTER, W_SND|W_REC, "Debug filter actions (levels 1-2)"),
273 DEBUG_WORD(FLIST, W_SND|W_REC, "Debug file-list operations (levels 1-4)"),
274 DEBUG_WORD(FUZZY, W_REC, "Debug fuzzy scoring (levels 1-2)"),
275 DEBUG_WORD(GENR, W_REC, "Debug generator functions"),
276 DEBUG_WORD(HASH, W_SND|W_REC, "Debug hashtable code"),
277 DEBUG_WORD(HLINK, W_SND|W_REC, "Debug hard-link actions"),
278 DEBUG_WORD(ICONV, W_CLI|W_SRV, "Debug iconv character conversions (levels 1-2)"),
279 DEBUG_WORD(OWN, W_REC, "Debug ownership changes in users & groups (levels 1-2)"),
280 DEBUG_WORD(PROTO, W_CLI|W_SRV, "Debug protocol information"),
281 DEBUG_WORD(RECV, W_REC, "Debug receiver functions"),
282 DEBUG_WORD(SEND, W_SND, "Debug sender functions"),
283 DEBUG_WORD(TIME, W_REC, "Debug setting of modified times (levels 1-2)"),
284 { NULL, "--debug", 0, 0, 0, 0 }
287 static int verbose = 0;
288 static int do_stats = 0;
289 static int do_progress = 0;
290 static int daemon_opt; /* sets am_daemon after option error-reporting */
291 static int omit_dir_times = 0;
292 static int F_option_cnt = 0;
293 static int modify_window_set;
294 static int itemize_changes = 0;
295 static int refused_delete, refused_archive_part, refused_compress;
296 static int refused_partial, refused_progress, refused_delete_before;
297 static int refused_delete_during;
298 static int refused_inplace, refused_no_iconv;
299 static char *max_size_arg, *min_size_arg;
300 static char tmp_partialdir[] = ".~tmp~";
302 /** Local address to bind. As a character string because it's
303 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
304 * address, or a hostname. **/
307 static void output_item_help(struct output_struct *words);
309 /* This constructs a string that represents all the options set for either
310 * the --info or --debug setting, skipping any implied options (by -v, etc.).
311 * This is used both when conveying the user's options to the server, and
312 * when the help output wants to tell the user what options are implied. */
313 static char *make_output_option(struct output_struct *words, short *levels, uchar where)
315 char *str = words == info_words ? "--info=" : "--debug=";
316 int j, counts[MAX_OUT_LEVEL+1], pos, skipped = 0, len = 0, max = 0, lev = 0;
317 int word_count = words == info_words ? COUNT_INFO : COUNT_DEBUG;
320 memset(counts, 0, sizeof counts);
322 for (j = 0; words[j].name; j++) {
323 if (words[j].flag != j) {
324 rprintf(FERROR, "rsync: internal error on %s%s: %d != %d\n",
325 words == info_words ? "INFO_" : "DEBUG_",
326 words[j].name, words[j].flag, j);
327 exit_cleanup(RERR_UNSUPPORTED);
329 if (!(words[j].where & where))
331 if (words[j].priority == DEFAULT_PRIORITY) {
332 /* Implied items don't need to be mentioned. */
336 len += len ? 1 : strlen(str);
337 len += strlen(words[j].name);
338 len += levels[j] == 1 ? 0 : 1;
340 if (words[j].priority == HELP_PRIORITY)
341 continue; /* no abbreviating for help */
343 assert(levels[j] <= MAX_OUT_LEVEL);
344 if (++counts[levels[j]] > max) {
345 /* Determine which level has the most items. */
351 /* Sanity check the COUNT_* define against the length of the table. */
352 if (j != word_count) {
353 rprintf(FERROR, "rsync: internal error: %s is wrong! (%d != %d)\n",
354 words == info_words ? "COUNT_INFO" : "COUNT_DEBUG",
356 exit_cleanup(RERR_UNSUPPORTED);
363 if (!(buf = new_array(char, len)))
364 out_of_memory("make_output_option");
367 if (skipped || max < 5)
371 pos += snprintf(buf, len, "%sNONE", str);
373 pos += snprintf(buf, len, "%sALL", str);
375 pos += snprintf(buf, len, "%sALL%d", str, lev);
378 for (j = 0; words[j].name && pos < len; j++) {
379 if (words[j].priority == DEFAULT_PRIORITY || levels[j] == lev || !(words[j].where & where))
384 pos += strlcpy(buf+pos, str, len-pos);
386 pos += strlcpy(buf+pos, words[j].name, len-pos);
387 /* Level 1 is implied by the name alone. */
388 if (levels[j] != 1 && pos < len)
389 buf[pos++] = '0' + levels[j];
397 static void parse_output_words(struct output_struct *words, short *levels,
398 const char *str, uchar priority)
407 if ((s = strchr(str, ',')) != NULL)
411 while (len && isDigit(str+len-1))
413 lev = isDigit(str+len) ? atoi(str+len) : 1;
414 if (lev > MAX_OUT_LEVEL)
416 if (len == 4 && strncasecmp(str, "help", 4) == 0) {
417 output_item_help(words);
420 if (len == 4 && strncasecmp(str, "none", 4) == 0)
422 else if (len == 3 && strncasecmp(str, "all", 3) == 0)
424 for (j = 0; words[j].name; j++) {
426 || (len == words[j].namelen && strncasecmp(str, words[j].name, len) == 0)) {
427 if (priority >= words[j].priority) {
428 words[j].priority = priority;
435 if (len && !words[j].name) {
436 rprintf(FERROR, "Unknown %s item: \"%.*s\"\n",
437 words[j].help, len, str);
438 exit_cleanup(RERR_SYNTAX);
446 /* Tell the user what all the info or debug flags mean. */
447 static void output_item_help(struct output_struct *words)
449 short *levels = words == info_words ? info_levels : debug_levels;
450 const char **verbosity = words == info_words ? info_verbosity : debug_verbosity;
451 char buf[128], *opt, *fmt = "%-10s %s\n";
454 reset_output_levels();
456 rprintf(FINFO, "Use OPT or OPT1 for level 1 output, OPT2 for level 2, etc.; OPT0 silences.\n");
457 rprintf(FINFO, "\n");
458 for (j = 0; words[j].name; j++)
459 rprintf(FINFO, fmt, words[j].name, words[j].help);
460 rprintf(FINFO, "\n");
462 snprintf(buf, sizeof buf, "Set all %s options (e.g. all%d)",
463 words[j].help, MAX_OUT_LEVEL);
464 rprintf(FINFO, fmt, "ALL", buf);
466 snprintf(buf, sizeof buf, "Silence all %s options (same as all0)",
468 rprintf(FINFO, fmt, "NONE", buf);
470 rprintf(FINFO, fmt, "HELP", "Output this help message");
471 rprintf(FINFO, "\n");
472 rprintf(FINFO, "Options added for each increase in verbose level:\n");
474 for (j = 1; j <= MAX_VERBOSITY; j++) {
475 parse_output_words(words, levels, verbosity[j], HELP_PRIORITY);
476 opt = make_output_option(words, levels, W_CLI|W_SRV|W_SND|W_REC);
478 rprintf(FINFO, "%d) %s\n", j, strchr(opt, '=')+1);
481 reset_output_levels();
485 /* The --verbose option now sets info+debug flags. */
486 static void set_output_verbosity(int level, uchar priority)
490 if (level > MAX_VERBOSITY)
491 level = MAX_VERBOSITY;
493 for (j = 1; j <= level; j++) {
494 parse_output_words(info_words, info_levels, info_verbosity[j], priority);
495 parse_output_words(debug_words, debug_levels, debug_verbosity[j], priority);
499 /* Limit the info+debug flag levels given a verbose-option level limit. */
500 void limit_output_verbosity(int level)
502 short info_limits[COUNT_INFO], debug_limits[COUNT_DEBUG];
505 if (level > MAX_VERBOSITY)
508 memset(info_limits, 0, sizeof info_limits);
509 memset(debug_limits, 0, sizeof debug_limits);
511 /* Compute the level limits in the above arrays. */
512 for (j = 1; j <= level; j++) {
513 parse_output_words(info_words, info_limits, info_verbosity[j], LIMIT_PRIORITY);
514 parse_output_words(debug_words, debug_limits, debug_verbosity[j], LIMIT_PRIORITY);
517 for (j = 0; j < COUNT_INFO; j++) {
518 if (info_levels[j] > info_limits[j])
519 info_levels[j] = info_limits[j];
522 for (j = 0; j < COUNT_DEBUG; j++) {
523 if (debug_levels[j] > debug_limits[j])
524 debug_levels[j] = debug_limits[j];
528 void reset_output_levels(void)
532 memset(info_levels, 0, sizeof info_levels);
533 memset(debug_levels, 0, sizeof debug_levels);
535 for (j = 0; j < COUNT_INFO; j++)
536 info_words[j].priority = DEFAULT_PRIORITY;
538 for (j = 0; j < COUNT_DEBUG; j++)
539 debug_words[j].priority = DEFAULT_PRIORITY;
542 void negate_output_levels(void)
546 for (j = 0; j < COUNT_INFO; j++)
547 info_levels[j] *= -1;
549 for (j = 0; j < COUNT_DEBUG; j++)
550 debug_levels[j] *= -1;
553 static void print_rsync_version(enum logcode f)
555 char *subprotocol = "";
556 char const *got_socketpair = "no ";
557 char const *have_inplace = "no ";
558 char const *hardlinks = "no ";
559 char const *symtimes = "no ";
560 char const *acls = "no ";
561 char const *xattrs = "no ";
562 char const *links = "no ";
563 char const *iconv = "no ";
564 char const *ipv6 = "no ";
565 STRUCT_STAT *dumstat;
567 #if SUBPROTOCOL_VERSION != 0
568 if (asprintf(&subprotocol, ".PR%d", SUBPROTOCOL_VERSION) < 0)
569 out_of_memory("print_rsync_version");
571 #ifdef HAVE_SOCKETPAIR
574 #ifdef HAVE_FTRUNCATE
577 #ifdef SUPPORT_HARD_LINKS
583 #ifdef SUPPORT_XATTRS
595 #if defined HAVE_LUTIMES && defined HAVE_UTIMES
599 rprintf(f, "%s version %s protocol version %d%s\n",
600 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION, subprotocol);
601 rprintf(f, "Copyright (C) 1996-2008 by Andrew Tridgell, Wayne Davison, and others.\n");
602 rprintf(f, "Web site: http://rsync.samba.org/\n");
603 rprintf(f, "Capabilities:\n");
604 rprintf(f, " %d-bit files, %d-bit inums, %d-bit timestamps, %d-bit long ints,\n",
605 (int)(sizeof (OFF_T) * 8),
606 (int)(sizeof dumstat->st_ino * 8), /* Don't check ino_t! */
607 (int)(sizeof (time_t) * 8),
608 (int)(sizeof (int64) * 8));
609 rprintf(f, " %ssocketpairs, %shardlinks, %ssymlinks, %sIPv6, batchfiles, %sinplace,\n",
610 got_socketpair, hardlinks, links, ipv6, have_inplace);
611 rprintf(f, " %sappend, %sACLs, %sxattrs, %siconv, %ssymtimes\n",
612 have_inplace, acls, xattrs, iconv, symtimes);
614 #ifdef MAINTAINER_MODE
615 rprintf(f, "Panic Action: \"%s\"\n", get_panic_action());
619 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
621 if (sizeof (int64) != SIZEOF_INT64) {
623 "WARNING: size mismatch in SIZEOF_INT64 define (%d != %d)\n",
624 (int) SIZEOF_INT64, (int) sizeof (int64));
628 rprintf(f,"rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n");
629 rprintf(f,"are welcome to redistribute it under certain conditions. See the GNU\n");
630 rprintf(f,"General Public Licence for details.\n");
634 void usage(enum logcode F)
636 print_rsync_version(F);
639 rprintf(F,"rsync is a file transfer program capable of efficient remote update\n");
640 rprintf(F,"via a fast differencing algorithm.\n");
643 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... DEST\n");
644 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
645 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
646 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
647 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC [DEST]\n");
648 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
649 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
650 rprintf(F,"The ':' usages connect via remote shell, while '::' & 'rsync://' usages connect\n");
651 rprintf(F,"to an rsync daemon, and require SRC or DEST to start with a module name.\n");
653 rprintf(F,"Options\n");
654 rprintf(F," -v, --verbose increase verbosity\n");
655 rprintf(F," --info=FLAGS fine-grained informational verbosity\n");
656 rprintf(F," --debug=FLAGS fine-grained debug verbosity\n");
657 rprintf(F," -q, --quiet suppress non-error messages\n");
658 rprintf(F," --no-motd suppress daemon-mode MOTD (see manpage caveat)\n");
659 rprintf(F," -c, --checksum skip based on checksum, not mod-time & size\n");
660 rprintf(F," -a, --archive archive mode; equals -rlptgoD (no -H,-A,-X)\n");
661 rprintf(F," --no-OPTION turn off an implied OPTION (e.g. --no-D)\n");
662 rprintf(F," -r, --recursive recurse into directories\n");
663 rprintf(F," -R, --relative use relative path names\n");
664 rprintf(F," --no-implied-dirs don't send implied dirs with --relative\n");
665 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
666 rprintf(F," --backup-dir=DIR make backups into hierarchy based in DIR\n");
667 rprintf(F," --suffix=SUFFIX set backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
668 rprintf(F," -u, --update skip files that are newer on the receiver\n");
669 rprintf(F," --inplace update destination files in-place (SEE MAN PAGE)\n");
670 rprintf(F," --append append data onto shorter files\n");
671 rprintf(F," --append-verify like --append, but with old data in file checksum\n");
672 rprintf(F," -d, --dirs transfer directories without recursing\n");
673 rprintf(F," -l, --links copy symlinks as symlinks\n");
674 rprintf(F," -L, --copy-links transform symlink into referent file/dir\n");
675 rprintf(F," --copy-unsafe-links only \"unsafe\" symlinks are transformed\n");
676 rprintf(F," --safe-links ignore symlinks that point outside the source tree\n");
677 rprintf(F," --munge-links munge symlinks to make them safer (but unusable)\n");
678 rprintf(F," -k, --copy-dirlinks transform symlink to a dir into referent dir\n");
679 rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n");
680 rprintf(F," -H, --hard-links preserve hard links\n");
681 rprintf(F," -p, --perms preserve permissions\n");
682 rprintf(F," -E, --executability preserve the file's executability\n");
683 rprintf(F," --chmod=CHMOD affect file and/or directory permissions\n");
685 rprintf(F," -A, --acls preserve ACLs (implies --perms)\n");
687 #ifdef SUPPORT_XATTRS
688 rprintf(F," -X, --xattrs preserve extended attributes\n");
690 rprintf(F," -o, --owner preserve owner (super-user only)\n");
691 rprintf(F," -g, --group preserve group\n");
692 rprintf(F," --devices preserve device files (super-user only)\n");
693 rprintf(F," --specials preserve special files\n");
694 rprintf(F," -D same as --devices --specials\n");
695 rprintf(F," -t, --times preserve modification times\n");
696 rprintf(F," -O, --omit-dir-times omit directories from --times\n");
697 rprintf(F," --super receiver attempts super-user activities\n");
698 #ifdef SUPPORT_XATTRS
699 rprintf(F," --fake-super store/recover privileged attrs using xattrs\n");
701 rprintf(F," -S, --sparse handle sparse files efficiently\n");
702 rprintf(F," -n, --dry-run perform a trial run with no changes made\n");
703 rprintf(F," -W, --whole-file copy files whole (without delta-xfer algorithm)\n");
704 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
705 rprintf(F," -B, --block-size=SIZE force a fixed checksum block-size\n");
706 rprintf(F," -e, --rsh=COMMAND specify the remote shell to use\n");
707 rprintf(F," --rsync-path=PROGRAM specify the rsync to run on the remote machine\n");
708 rprintf(F," --existing skip creating new files on receiver\n");
709 rprintf(F," --ignore-existing skip updating files that already exist on receiver\n");
710 rprintf(F," --remove-source-files sender removes synchronized files (non-dirs)\n");
711 rprintf(F," --del an alias for --delete-during\n");
712 rprintf(F," --delete delete extraneous files from destination dirs\n");
713 rprintf(F," --delete-before receiver deletes before transfer, not during\n");
714 rprintf(F," --delete-during receiver deletes during transfer (default)\n");
715 rprintf(F," --delete-delay find deletions during, delete after\n");
716 rprintf(F," --delete-after receiver deletes after transfer, not during\n");
717 rprintf(F," --delete-excluded also delete excluded files from destination dirs\n");
718 rprintf(F," --ignore-errors delete even if there are I/O errors\n");
719 rprintf(F," --force force deletion of directories even if not empty\n");
720 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
721 rprintf(F," --max-size=SIZE don't transfer any file larger than SIZE\n");
722 rprintf(F," --min-size=SIZE don't transfer any file smaller than SIZE\n");
723 rprintf(F," --partial keep partially transferred files\n");
724 rprintf(F," --partial-dir=DIR put a partially transferred file into DIR\n");
725 rprintf(F," --delay-updates put all updated files into place at transfer's end\n");
726 rprintf(F," -m, --prune-empty-dirs prune empty directory chains from the file-list\n");
727 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
728 rprintf(F," --timeout=SECONDS set I/O timeout in seconds\n");
729 rprintf(F," --contimeout=SECONDS set daemon connection timeout in seconds\n");
730 rprintf(F," -I, --ignore-times don't skip files that match in size and mod-time\n");
731 rprintf(F," -M, --remote-option=OPTION send OPTION to the remote side only\n");
732 rprintf(F," --size-only skip files that match in size\n");
733 rprintf(F," --modify-window=NUM compare mod-times with reduced accuracy\n");
734 rprintf(F," -T, --temp-dir=DIR create temporary files in directory DIR\n");
735 rprintf(F," -y, --fuzzy find similar file for basis if no dest file\n");
736 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
737 rprintf(F," --copy-dest=DIR ... and include copies of unchanged files\n");
738 rprintf(F," --link-dest=DIR hardlink to files in DIR when unchanged\n");
739 rprintf(F," -z, --compress compress file data during the transfer\n");
740 rprintf(F," --compress-level=NUM explicitly set compression level\n");
741 rprintf(F," --skip-compress=LIST skip compressing files with a suffix in LIST\n");
742 rprintf(F," -C, --cvs-exclude auto-ignore files the same way CVS does\n");
743 rprintf(F," -f, --filter=RULE add a file-filtering RULE\n");
744 rprintf(F," -F same as --filter='dir-merge /.rsync-filter'\n");
745 rprintf(F," repeated: --filter='- .rsync-filter'\n");
746 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
747 rprintf(F," --exclude-from=FILE read exclude patterns from FILE\n");
748 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
749 rprintf(F," --include-from=FILE read include patterns from FILE\n");
750 rprintf(F," --files-from=FILE read list of source-file names from FILE\n");
751 rprintf(F," -0, --from0 all *-from/filter files are delimited by 0s\n");
752 rprintf(F," -s, --protect-args no space-splitting; only wildcard special-chars\n");
753 rprintf(F," --address=ADDRESS bind address for outgoing socket to daemon\n");
754 rprintf(F," --port=PORT specify double-colon alternate port number\n");
755 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
756 rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
757 rprintf(F," --stats give some file-transfer stats\n");
758 rprintf(F," -8, --8-bit-output leave high-bit chars unescaped in output\n");
759 rprintf(F," -h, --human-readable output numbers in a human-readable format\n");
760 rprintf(F," --progress show progress during transfer\n");
761 rprintf(F," -P same as --partial --progress\n");
762 rprintf(F," -i, --itemize-changes output a change-summary for all updates\n");
763 rprintf(F," --out-format=FORMAT output updates using the specified FORMAT\n");
764 rprintf(F," --log-file=FILE log what we're doing to the specified FILE\n");
765 rprintf(F," --log-file-format=FMT log updates using the specified FMT\n");
766 rprintf(F," --password-file=FILE read daemon-access password from FILE\n");
767 rprintf(F," --list-only list the files instead of copying them\n");
768 rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
769 rprintf(F," --write-batch=FILE write a batched update to FILE\n");
770 rprintf(F," --only-write-batch=FILE like --write-batch but w/o updating destination\n");
771 rprintf(F," --read-batch=FILE read a batched update from FILE\n");
772 rprintf(F," --protocol=NUM force an older protocol version to be used\n");
774 rprintf(F," --iconv=CONVERT_SPEC request charset conversion of filenames\n");
776 rprintf(F," -4, --ipv4 prefer IPv4\n");
777 rprintf(F," -6, --ipv6 prefer IPv6\n");
778 rprintf(F," --version print version number\n");
779 rprintf(F,"(-h) --help show this help (-h works with no other options)\n");
782 rprintf(F,"Use \"rsync --daemon --help\" to see the daemon-mode command-line options.\n");
783 rprintf(F,"Please see the rsync(1) and rsyncd.conf(5) man pages for full documentation.\n");
784 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
787 enum {OPT_VERSION = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
788 OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP,
789 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD,
790 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
791 OPT_NO_D, OPT_APPEND, OPT_NO_ICONV, OPT_INFO, OPT_DEBUG,
792 OPT_SERVER, OPT_REFUSED_BASE = 9000};
794 static struct poptOption long_options[] = {
795 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
796 {"help", 0, POPT_ARG_NONE, 0, OPT_HELP, 0, 0 },
797 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
798 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
799 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
800 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
801 {"info", 0, POPT_ARG_STRING, 0, OPT_INFO, 0, 0 },
802 {"debug", 0, POPT_ARG_STRING, 0, OPT_DEBUG, 0, 0 },
803 {"msgs2stderr", 0, POPT_ARG_NONE, &msgs2stderr, 0, 0, 0 },
804 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
805 {"motd", 0, POPT_ARG_VAL, &output_motd, 1, 0, 0 },
806 {"no-motd", 0, POPT_ARG_VAL, &output_motd, 0, 0, 0 },
807 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
808 {"human-readable", 'h', POPT_ARG_NONE, 0, 'h', 0, 0},
809 {"no-human-readable",0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
810 {"no-h", 0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
811 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
812 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
813 {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 },
814 {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
815 {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
816 {"inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
817 {"no-inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
818 {"i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
819 {"no-i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
820 {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
821 {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
822 {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
823 {"old-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
824 {"old-d", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
825 {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
826 {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
827 {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
828 {"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 },
829 {"acls", 'A', POPT_ARG_NONE, 0, 'A', 0, 0 },
830 {"no-acls", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
831 {"no-A", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
832 {"xattrs", 'X', POPT_ARG_NONE, 0, 'X', 0, 0 },
833 {"no-xattrs", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
834 {"no-X", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
835 {"times", 't', POPT_ARG_VAL, &preserve_times, 2, 0, 0 },
836 {"no-times", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
837 {"no-t", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
838 {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 1, 0, 0 },
839 {"no-omit-dir-times",0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
840 {"no-O", 0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
841 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
842 {"super", 0, POPT_ARG_VAL, &am_root, 2, 0, 0 },
843 {"no-super", 0, POPT_ARG_VAL, &am_root, 0, 0, 0 },
844 {"fake-super", 0, POPT_ARG_VAL, &am_root, -1, 0, 0 },
845 {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 },
846 {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
847 {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
848 {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 },
849 {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
850 {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
851 {0, 'D', POPT_ARG_NONE, 0, 'D', 0, 0 },
852 {"no-D", 0, POPT_ARG_NONE, 0, OPT_NO_D, 0, 0 },
853 {"devices", 0, POPT_ARG_VAL, &preserve_devices, 1, 0, 0 },
854 {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
855 {"specials", 0, POPT_ARG_VAL, &preserve_specials, 1, 0, 0 },
856 {"no-specials", 0, POPT_ARG_VAL, &preserve_specials, 0, 0, 0 },
857 {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 },
858 {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
859 {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
860 {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 },
861 {"copy-unsafe-links",0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 },
862 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
863 {"munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 1, 0, 0 },
864 {"no-munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 0, 0, 0 },
865 {"copy-dirlinks", 'k', POPT_ARG_NONE, ©_dirlinks, 0, 0, 0 },
866 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
867 {"hard-links", 'H', POPT_ARG_NONE, 0, 'H', 0, 0 },
868 {"no-hard-links", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
869 {"no-H", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
870 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
871 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
872 {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
873 {"implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
874 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
875 {"i-d", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
876 {"no-i-d", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
877 {"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 },
878 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
879 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
880 {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 },
881 {"no-one-file-system",'x',POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
882 {"no-x", 'x', POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
883 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
884 {"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
885 {"ignore-non-existing",0,POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
886 {"ignore-existing", 0, POPT_ARG_NONE, &ignore_existing, 0, 0, 0 },
887 {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
888 {"min-size", 0, POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 },
889 {"sparse", 'S', POPT_ARG_VAL, &sparse_files, 1, 0, 0 },
890 {"no-sparse", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
891 {"no-S", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
892 {"inplace", 0, POPT_ARG_VAL, &inplace, 1, 0, 0 },
893 {"no-inplace", 0, POPT_ARG_VAL, &inplace, 0, 0, 0 },
894 {"append", 0, POPT_ARG_NONE, 0, OPT_APPEND, 0, 0 },
895 {"append-verify", 0, POPT_ARG_VAL, &append_mode, 2, 0, 0 },
896 {"no-append", 0, POPT_ARG_VAL, &append_mode, 0, 0, 0 },
897 {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
898 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
899 {"delete-before", 0, POPT_ARG_NONE, &delete_before, 0, 0, 0 },
900 {"delete-during", 0, POPT_ARG_VAL, &delete_during, 1, 0, 0 },
901 {"delete-delay", 0, POPT_ARG_VAL, &delete_during, 2, 0, 0 },
902 {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
903 {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
904 {"remove-sent-files",0, POPT_ARG_VAL, &remove_source_files, 2, 0, 0 }, /* deprecated */
905 {"remove-source-files",0,POPT_ARG_VAL, &remove_source_files, 1, 0, 0 },
906 {"force", 0, POPT_ARG_VAL, &force_delete, 1, 0, 0 },
907 {"no-force", 0, POPT_ARG_VAL, &force_delete, 0, 0, 0 },
908 {"ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 1, 0, 0 },
909 {"no-ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 0, 0, 0 },
910 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
911 {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
912 {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
913 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
914 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
915 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
916 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
917 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
918 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
919 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
920 {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
921 {"checksum", 'c', POPT_ARG_VAL, &always_checksum, 1, 0, 0 },
922 {"no-checksum", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
923 {"no-c", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
924 {"block-size", 'B', POPT_ARG_LONG, &block_size, 0, 0, 0 },
925 {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
926 {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
927 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
928 {"fuzzy", 'y', POPT_ARG_VAL, &fuzzy_basis, 1, 0, 0 },
929 {"no-fuzzy", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
930 {"no-y", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
931 {"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 },
932 {"no-compress", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 },
933 {"no-z", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 },
934 {"skip-compress", 0, POPT_ARG_STRING, &skip_compress, 0, 0, 0 },
935 {"compress-level", 0, POPT_ARG_INT, &def_compress_level, 'z', 0, 0 },
936 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
937 {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 },
938 {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 },
939 {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 },
940 {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 },
941 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
942 {"delay-updates", 0, POPT_ARG_VAL, &delay_updates, 1, 0, 0 },
943 {"no-delay-updates", 0, POPT_ARG_VAL, &delay_updates, 0, 0, 0 },
944 {"prune-empty-dirs",'m', POPT_ARG_VAL, &prune_empty_dirs, 1, 0, 0 },
945 {"no-prune-empty-dirs",0,POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
946 {"no-m", 0, POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
947 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
948 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
949 {"out-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 },
950 {"log-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 }, /* DEPRECATED */
951 {"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 },
952 {"no-itemize-changes",0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
953 {"no-i", 0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
954 {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
955 {"no-bwlimit", 0, POPT_ARG_VAL, &bwlimit, 0, 0, 0 },
956 {"backup", 'b', POPT_ARG_VAL, &make_backups, 1, 0, 0 },
957 {"no-backup", 0, POPT_ARG_VAL, &make_backups, 0, 0, 0 },
958 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
959 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
960 {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
961 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
962 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
963 {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
964 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
965 {"from0", '0', POPT_ARG_VAL, &eol_nulls, 1, 0, 0},
966 {"no-from0", 0, POPT_ARG_VAL, &eol_nulls, 0, 0, 0},
967 {"protect-args", 's', POPT_ARG_VAL, &protect_args, 1, 0, 0},
968 {"no-protect-args", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
969 {"no-s", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
970 {"numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 1, 0, 0 },
971 {"no-numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 0, 0, 0 },
972 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
973 {"no-timeout", 0, POPT_ARG_VAL, &io_timeout, 0, 0, 0 },
974 {"contimeout", 0, POPT_ARG_INT, &connect_timeout, 0, 0, 0 },
975 {"no-contimeout", 0, POPT_ARG_VAL, &connect_timeout, 0, 0, 0 },
976 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
977 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
978 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
980 {"iconv", 0, POPT_ARG_STRING, &iconv_opt, 0, 0, 0 },
981 {"no-iconv", 0, POPT_ARG_NONE, 0, OPT_NO_ICONV, 0, 0 },
983 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
984 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
985 {"8-bit-output", '8', POPT_ARG_VAL, &allow_8bit_chars, 1, 0, 0 },
986 {"no-8-bit-output", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
987 {"no-8", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
988 {"qsort", 0, POPT_ARG_NONE, &use_qsort, 0, 0, 0 },
989 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
990 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
991 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
992 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
993 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
994 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
995 {"remote-option", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
996 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
997 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
998 {"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 },
999 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
1000 /* All the following options switch us into daemon-mode option-parsing. */
1001 {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
1002 {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
1003 {"dparam", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
1004 {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
1005 {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
1009 static void daemon_usage(enum logcode F)
1011 print_rsync_version(F);
1014 rprintf(F,"Usage: rsync --daemon [OPTION]...\n");
1015 rprintf(F," --address=ADDRESS bind to the specified address\n");
1016 rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
1017 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
1018 rprintf(F," -M, --dparam=OVERRIDE override global daemon config parameter\n");
1019 rprintf(F," --no-detach do not detach from the parent\n");
1020 rprintf(F," --port=PORT listen on alternate port number\n");
1021 rprintf(F," --log-file=FILE override the \"log file\" setting\n");
1022 rprintf(F," --log-file-format=FMT override the \"log format\" setting\n");
1023 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
1024 rprintf(F," -v, --verbose increase verbosity\n");
1025 rprintf(F," -4, --ipv4 prefer IPv4\n");
1026 rprintf(F," -6, --ipv6 prefer IPv6\n");
1027 rprintf(F," --help show this help screen\n");
1030 rprintf(F,"If you were not trying to invoke rsync as a daemon, avoid using any of the\n");
1031 rprintf(F,"daemon-specific rsync options. See also the rsyncd.conf(5) man page.\n");
1034 static struct poptOption long_daemon_options[] = {
1035 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
1036 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
1037 {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
1038 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
1039 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
1040 {"dparam", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
1041 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
1042 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
1043 {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
1044 {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
1045 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
1046 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
1047 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
1048 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
1049 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
1050 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
1051 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
1052 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
1053 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
1054 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
1055 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
1060 static char err_buf[200];
1064 * Store the option error message, if any, so that we can log the
1065 * connection attempt (which requires parsing the options), and then
1066 * show the error later on.
1068 void option_error(void)
1071 strlcpy(err_buf, "Error parsing options: option may "
1072 "be supported on client but not on server?\n",
1076 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
1082 * Tweak the option table to disable all options that the rsyncd.conf
1083 * file has told us to refuse.
1085 static void set_refuse_options(char *bp)
1087 struct poptOption *op;
1088 char *cp, shortname[2];
1089 int is_wild, found_match;
1091 shortname[1] = '\0';
1094 while (*bp == ' ') bp++;
1097 if ((cp = strchr(bp, ' ')) != NULL)
1099 is_wild = strpbrk(bp, "*?[") != NULL;
1101 for (op = long_options; ; op++) {
1102 *shortname = op->shortName;
1103 if (!op->longName && !*shortname)
1105 if ((op->longName && wildmatch(bp, op->longName))
1106 || (*shortname && wildmatch(bp, shortname))) {
1107 if (op->argInfo == POPT_ARG_VAL)
1108 op->argInfo = POPT_ARG_NONE;
1109 op->val = (op - long_options) + OPT_REFUSED_BASE;
1111 /* These flags are set to let us easily check
1112 * an implied option later in the code. */
1113 switch (*shortname) {
1114 case 'r': case 'd': case 'l': case 'p':
1115 case 't': case 'g': case 'o': case 'D':
1116 refused_archive_part = op->val;
1119 refused_compress = op->val;
1122 if (wildmatch("delete", op->longName))
1123 refused_delete = op->val;
1124 else if (wildmatch("delete-before", op->longName))
1125 refused_delete_before = op->val;
1126 else if (wildmatch("delete-during", op->longName))
1127 refused_delete_during = op->val;
1128 else if (wildmatch("partial", op->longName))
1129 refused_partial = op->val;
1130 else if (wildmatch("progress", op->longName))
1131 refused_progress = op->val;
1132 else if (wildmatch("inplace", op->longName))
1133 refused_inplace = op->val;
1134 else if (wildmatch("no-iconv", op->longName))
1135 refused_no_iconv = op->val;
1143 rprintf(FLOG, "No match for refuse-options string \"%s\"\n",
1154 static int count_args(const char **argv)
1159 while (argv[i] != NULL)
1167 static OFF_T parse_size_arg(char **size_arg, char def_suf)
1169 int reps, mult, make_compatible = 0;
1173 for (arg = *size_arg; isDigit(arg); arg++) {}
1175 for (arg++; isDigit(arg); arg++) {}
1176 switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) {
1192 if (*arg == 'b' || *arg == 'B')
1193 mult = 1000, make_compatible = 1, arg++;
1194 else if (!*arg || *arg == '+' || *arg == '-')
1196 else if (strncasecmp(arg, "ib", 2) == 0)
1197 mult = 1024, arg += 2;
1202 size *= atof(*size_arg);
1203 if ((*arg == '+' || *arg == '-') && arg[1] == '1')
1204 size += atoi(arg), make_compatible = 1, arg += 2;
1207 if (size > 0 && make_compatible) {
1208 /* We convert this manually because we may need %lld precision,
1209 * and that's not a portable sprintf() escape. */
1210 char buf[128], *s = buf + sizeof buf - 1;
1214 *--s = (char)(num % 10) + '0';
1217 if (!(*size_arg = strdup(s)))
1218 out_of_memory("parse_size_arg");
1224 static void create_refuse_error(int which)
1226 /* The "which" value is the index + OPT_REFUSED_BASE. */
1227 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
1228 int n = snprintf(err_buf, sizeof err_buf,
1229 "The server is configured to refuse --%s\n",
1231 if (op->shortName) {
1232 snprintf(err_buf + n, sizeof err_buf - n,
1233 " (-%c)\n", op->shortName);
1239 * Process command line arguments. Called on both local and remote.
1241 * @retval 1 if all options are OK; with globals set to appropriate
1244 * @retval 0 on error, with err_buf containing an explanation
1246 int parse_arguments(int *argc_p, const char ***argv_p)
1248 static poptContext pc;
1249 char *ref = lp_refuse_options(module_id);
1250 const char *arg, **argv = *argv_p;
1255 set_refuse_options(ref);
1257 set_refuse_options("log-file*");
1259 if (!*lp_charset(module_id))
1260 set_refuse_options("iconv");
1265 if (!am_daemon && !protect_args && (arg = getenv("RSYNC_ICONV")) != NULL && *arg)
1266 iconv_opt = strdup(arg);
1269 /* TODO: Call poptReadDefaultConfig; handle errors. */
1271 /* The context leaks in case of an error, but if there's a
1272 * problem we always exit anyhow. */
1274 poptFreeContext(pc);
1275 pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
1277 poptReadDefaultConfig(pc, 0);
1279 while ((opt = poptGetNextOpt(pc)) != -1) {
1280 /* most options are handled automatically by popt;
1281 * only special cases are returned and listed here. */
1285 print_rsync_version(FINFO);
1290 /* Disable popt aliases on the server side and
1291 * then start parsing the options again. */
1292 poptFreeContext(pc);
1293 pc = poptGetContext(RSYNC_NAME, argc, argv,
1305 exit_cleanup(RERR_SYNTAX);
1313 "Attempt to hack rsync thwarted!\n",
1320 poptFreeContext(pc);
1321 pc = poptGetContext(RSYNC_NAME, argc, argv,
1322 long_daemon_options, 0);
1323 while ((opt = poptGetNextOpt(pc)) != -1) {
1327 daemon_usage(FINFO);
1331 arg = poptGetOptArg(pc);
1332 if (!strchr(arg, '=')) {
1334 "--dparam value is missing an '=': %s\n",
1338 cpp = EXPAND_ITEM_LIST(&dparam_list, char *, 4);
1348 "rsync: %s: %s (in daemon mode)\n",
1349 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1355 if (dparam_list.count && !set_dparams(1))
1356 exit_cleanup(RERR_SYNTAX);
1358 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
1359 snprintf(err_buf, sizeof err_buf,
1360 "the --temp-dir path is WAY too long.\n");
1365 rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
1368 "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
1369 exit_cleanup(RERR_SYNTAX);
1372 *argv_p = argv = poptGetArgs(pc);
1373 *argc_p = argc = count_args(argv);
1379 case OPT_MODIFY_WINDOW:
1380 /* The value has already been set by popt, but
1381 * we need to remember that we're using a
1382 * non-default setting. */
1383 modify_window_set = 1;
1387 parse_rule(&filter_list, poptGetOptArg(pc), 0, 0);
1391 parse_rule(&filter_list, poptGetOptArg(pc),
1392 0, XFLG_OLD_PREFIXES);
1396 parse_rule(&filter_list, poptGetOptArg(pc),
1397 MATCHFLG_INCLUDE, XFLG_OLD_PREFIXES);
1400 case OPT_EXCLUDE_FROM:
1401 case OPT_INCLUDE_FROM:
1402 arg = poptGetOptArg(pc);
1404 arg = sanitize_path(NULL, arg, NULL, 0, SP_DEFAULT);
1405 if (daemon_filter_list.head) {
1407 char *dir, *cp = strdup(arg);
1409 out_of_memory("parse_arguments");
1411 goto options_rejected;
1412 dir = cp + (*cp == '/' ? module_dirlen : 0);
1413 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1414 rej = check_filter(&daemon_filter_list, FLOG, dir, 0) < 0;
1417 goto options_rejected;
1419 parse_filter_file(&filter_list, arg,
1420 opt == OPT_INCLUDE_FROM ? MATCHFLG_INCLUDE : 0,
1421 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
1425 if (refused_archive_part) {
1426 create_refuse_error(refused_archive_part);
1429 if (!recurse) /* preserve recurse == 2 */
1431 #ifdef SUPPORT_LINKS
1438 preserve_devices = 1;
1439 preserve_specials = 1;
1443 preserve_devices = preserve_specials = 1;
1447 preserve_devices = preserve_specials = 0;
1455 preserve_hard_links++;
1475 switch (++F_option_cnt) {
1477 parse_rule(&filter_list,": /.rsync-filter",0,0);
1480 parse_rule(&filter_list,"- .rsync-filter",0,0);
1486 if (refused_partial || refused_progress) {
1487 create_refuse_error(refused_partial
1488 ? refused_partial : refused_progress);
1496 if (def_compress_level < Z_DEFAULT_COMPRESSION
1497 || def_compress_level > Z_BEST_COMPRESSION) {
1498 snprintf(err_buf, sizeof err_buf,
1499 "--compress-level value is invalid: %d\n",
1500 def_compress_level);
1503 do_compression = def_compress_level != Z_NO_COMPRESSION;
1504 if (do_compression && refused_compress) {
1505 create_refuse_error(refused_compress);
1511 arg = poptGetOptArg(pc);
1513 snprintf(err_buf, sizeof err_buf,
1514 "Remote option must start with a dash: %s\n", arg);
1517 if (remote_option_cnt+2 >= remote_option_alloc) {
1518 remote_option_alloc += 16;
1519 remote_options = realloc_array(remote_options,
1520 const char *, remote_option_alloc);
1521 if (!remote_options)
1522 out_of_memory("parse_arguments");
1523 if (!remote_option_cnt)
1524 remote_options[0] = "ARG0";
1526 remote_options[++remote_option_cnt] = arg;
1527 remote_options[remote_option_cnt+1] = NULL;
1530 case OPT_WRITE_BATCH:
1531 /* batch_name is already set */
1535 case OPT_ONLY_WRITE_BATCH:
1536 /* batch_name is already set */
1540 case OPT_READ_BATCH:
1541 /* batch_name is already set */
1552 if ((max_size = parse_size_arg(&max_size_arg, 'b')) <= 0) {
1553 snprintf(err_buf, sizeof err_buf,
1554 "--max-size value is invalid: %s\n",
1561 if ((min_size = parse_size_arg(&min_size_arg, 'b')) <= 0) {
1562 snprintf(err_buf, sizeof err_buf,
1563 "--min-size value is invalid: %s\n",
1577 #ifdef SUPPORT_HARD_LINKS
1579 dest_option = "--link-dest";
1582 snprintf(err_buf, sizeof err_buf,
1583 "hard links are not supported on this %s\n",
1584 am_server ? "server" : "client");
1590 dest_option = "--copy-dest";
1593 case OPT_COMPARE_DEST:
1595 dest_option = "--compare-dest";
1597 if (basis_dir_cnt >= MAX_BASIS_DIRS) {
1598 snprintf(err_buf, sizeof err_buf,
1599 "ERROR: at most %d %s args may be specified\n",
1600 MAX_BASIS_DIRS, dest_option);
1603 /* We defer sanitizing this arg until we know what
1604 * our destination directory is going to be. */
1605 basis_dir[basis_dir_cnt++] = (char *)poptGetOptArg(pc);
1609 arg = poptGetOptArg(pc);
1610 if (!parse_chmod(arg, &chmod_modes)) {
1611 snprintf(err_buf, sizeof err_buf,
1612 "Invalid argument passed to --chmod (%s)\n",
1619 arg = poptGetOptArg(pc);
1620 parse_output_words(info_words, info_levels, arg, USER_PRIORITY);
1624 arg = poptGetOptArg(pc);
1625 parse_output_words(debug_words, debug_levels, arg, USER_PRIORITY);
1638 /* FIXME: this should probably be ignored with a
1639 * warning and then countermeasures taken to
1640 * restrict group and other access in the presence
1641 * of any more restrictive ACLs, but this is safe
1643 snprintf(err_buf,sizeof(err_buf),
1644 "ACLs are not supported on this %s\n",
1645 am_server ? "server" : "client");
1650 #ifdef SUPPORT_XATTRS
1654 snprintf(err_buf,sizeof(err_buf),
1655 "extended attributes are not supported on this %s\n",
1656 am_server ? "server" : "client");
1661 /* A large opt value means that set_refuse_options()
1662 * turned this option off. */
1663 if (opt >= OPT_REFUSED_BASE) {
1664 create_refuse_error(opt);
1667 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
1668 am_server ? "on remote machine: " : "",
1669 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1675 if (human_readable > 1 && argc == 2 && !am_server) {
1676 /* Allow the old meaning of 'h' (--help) on its own. */
1681 set_output_verbosity(verbose, DEFAULT_PRIORITY);
1683 if (do_stats && !am_server) {
1684 parse_output_words(info_words, info_levels,
1685 verbose > 1 ? "stats3" : "stats2", DEFAULT_PRIORITY);
1688 if (human_readable) {
1690 snprintf(buf, sizeof buf, "%f", 3.14);
1691 if (strchr(buf, '.') != NULL)
1692 number_separator = ',';
1694 number_separator = '.';
1698 if (iconv_opt && protect_args != 2) {
1699 if (!am_server && strcmp(iconv_opt, "-") == 0)
1702 need_unsorted_flist = 1;
1704 if (refused_no_iconv && !iconv_opt) {
1705 create_refuse_error(refused_no_iconv);
1710 if (protect_args == 1 && am_server)
1713 *argv_p = argv = poptGetArgs(pc);
1714 *argc_p = argc = count_args(argv);
1716 #ifndef SUPPORT_LINKS
1717 if (preserve_links && !am_sender) {
1718 snprintf(err_buf, sizeof err_buf,
1719 "symlinks are not supported on this %s\n",
1720 am_server ? "server" : "client");
1725 #ifndef SUPPORT_HARD_LINKS
1726 if (preserve_hard_links) {
1727 snprintf(err_buf, sizeof err_buf,
1728 "hard links are not supported on this %s\n",
1729 am_server ? "server" : "client");
1734 #ifdef SUPPORT_XATTRS
1735 if (am_root < 0 && preserve_xattrs > 1) {
1736 snprintf(err_buf, sizeof err_buf,
1737 "--fake-super conflicts with -XX\n");
1742 snprintf(err_buf, sizeof err_buf,
1743 "--fake-super requires an rsync with extended attributes enabled\n");
1748 if (write_batch && read_batch) {
1749 snprintf(err_buf, sizeof err_buf,
1750 "--write-batch and --read-batch can not be used together\n");
1753 if (write_batch > 0 || read_batch) {
1756 "ignoring --%s-batch option sent to server\n",
1757 write_batch ? "write" : "read");
1758 /* We don't actually exit_cleanup(), so that we can
1759 * still service older version clients that still send
1760 * batch args to server. */
1761 read_batch = write_batch = 0;
1765 } else if (write_batch < 0 && dry_run)
1767 if (read_batch && files_from) {
1768 snprintf(err_buf, sizeof err_buf,
1769 "--read-batch cannot be used with --files-from\n");
1772 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
1773 snprintf(err_buf, sizeof err_buf,
1774 "the batch-file name must be %d characters or less.\n",
1775 MAX_BATCH_NAME_LEN);
1779 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
1780 snprintf(err_buf, sizeof err_buf,
1781 "the --temp-dir path is WAY too long.\n");
1785 if (max_delete < 0 && max_delete != INT_MIN) {
1786 /* Negative numbers are treated as "no deletions". */
1790 if (compare_dest + copy_dest + link_dest > 1) {
1791 snprintf(err_buf, sizeof err_buf,
1792 "You may not mix --compare-dest, --copy-dest, and --link-dest.\n");
1797 if (recurse == 1) /* preserve recurse == 2 */
1803 if (argc < 2 && !read_batch && !am_server)
1806 if (xfer_dirs >= 4) {
1807 parse_rule(&filter_list, "- /*/*", 0, 0);
1808 recurse = xfer_dirs = 1;
1811 else if (xfer_dirs < 0)
1812 xfer_dirs = list_only ? 1 : 0;
1814 if (relative_paths < 0)
1815 relative_paths = files_from? 1 : 0;
1816 if (!relative_paths)
1819 if (delete_before + !!delete_during + delete_after > 1) {
1820 snprintf(err_buf, sizeof err_buf,
1821 "You may not combine multiple --delete-WHEN options.\n");
1824 if (delete_before || delete_during || delete_after)
1826 else if (delete_mode || delete_excluded) {
1827 /* Only choose now between before & during if one is refused. */
1828 if (refused_delete_before) {
1829 if (!refused_delete_during)
1832 create_refuse_error(refused_delete_before);
1835 } else if (refused_delete_during)
1839 if (!xfer_dirs && delete_mode) {
1840 snprintf(err_buf, sizeof err_buf,
1841 "--delete does not work without -r or -d.\n");
1845 if (delete_mode && refused_delete) {
1846 create_refuse_error(refused_delete);
1850 if (remove_source_files) {
1851 /* We only want to infer this refusal of --remove-source-files
1852 * via the refusal of "delete", not any of the "delete-FOO"
1854 if (refused_delete && am_sender) {
1855 create_refuse_error(refused_delete);
1858 need_messages_from_generator = 1;
1861 if (munge_symlinks && !am_daemon) {
1863 char prefix[SYMLINK_PREFIX_LEN]; /* NOT +1 ! */
1864 strlcpy(prefix, SYMLINK_PREFIX, sizeof prefix); /* trim the trailing slash */
1865 if (do_stat(prefix, &st) == 0 && S_ISDIR(st.st_mode)) {
1866 rprintf(FERROR, "Symlink munging is unsafe when a %s directory exists.\n",
1868 exit_cleanup(RERR_UNSUPPORTED);
1872 if (sanitize_paths) {
1874 for (i = argc; i-- > 0; )
1875 argv[i] = sanitize_path(NULL, argv[i], "", 0, SP_KEEP_DOT_DIRS);
1877 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0, SP_DEFAULT);
1879 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0, SP_DEFAULT);
1881 if (daemon_filter_list.head && !am_sender) {
1882 struct filter_list_struct *elp = &daemon_filter_list;
1886 goto options_rejected;
1887 dir = tmpdir + (*tmpdir == '/' ? module_dirlen : 0);
1888 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1889 if (check_filter(elp, FLOG, dir, 1) < 0)
1890 goto options_rejected;
1895 goto options_rejected;
1896 dir = backup_dir + (*backup_dir == '/' ? module_dirlen : 0);
1897 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1898 if (check_filter(elp, FLOG, dir, 1) < 0)
1899 goto options_rejected;
1904 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
1905 backup_suffix_len = strlen(backup_suffix);
1906 if (strchr(backup_suffix, '/') != NULL) {
1907 snprintf(err_buf, sizeof err_buf,
1908 "--suffix cannot contain slashes: %s\n",
1913 backup_dir_len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
1914 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
1915 if (backup_dir_remainder < 32) {
1916 snprintf(err_buf, sizeof err_buf,
1917 "the --backup-dir path is WAY too long.\n");
1920 if (backup_dir_buf[backup_dir_len - 1] != '/') {
1921 backup_dir_buf[backup_dir_len++] = '/';
1922 backup_dir_buf[backup_dir_len] = '\0';
1924 if (INFO_GTE(BACKUP, 1) && !am_sender)
1925 rprintf(FINFO, "backup_dir is %s\n", backup_dir_buf);
1926 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
1927 snprintf(err_buf, sizeof err_buf,
1928 "--suffix cannot be a null string without --backup-dir\n");
1930 } else if (make_backups && delete_mode && !delete_excluded && !am_server) {
1931 snprintf(backup_dir_buf, sizeof backup_dir_buf,
1932 "P *%s", backup_suffix);
1933 parse_rule(&filter_list, backup_dir_buf, 0, 0);
1936 if (make_backups && !backup_dir) {
1937 omit_dir_times = 0; /* Implied, so avoid -O to sender. */
1938 if (preserve_times > 1)
1940 } else if (omit_dir_times) {
1941 if (preserve_times > 1)
1945 if (stdout_format) {
1946 if (am_server && log_format_has(stdout_format, 'I'))
1947 stdout_format_has_i = 2;
1948 else if (log_format_has(stdout_format, 'i'))
1949 stdout_format_has_i = itemize_changes | 1;
1950 if (!log_format_has(stdout_format, 'b')
1951 && !log_format_has(stdout_format, 'c')
1952 && !log_format_has(stdout_format, 'C'))
1953 log_before_transfer = !am_server;
1954 } else if (itemize_changes) {
1955 stdout_format = "%i %n%L";
1956 stdout_format_has_i = itemize_changes;
1957 log_before_transfer = !am_server;
1960 if (do_progress && !am_server) {
1961 if (!log_before_transfer && INFO_EQ(NAME, 0))
1962 parse_output_words(info_words, info_levels, "name", DEFAULT_PRIORITY);
1963 parse_output_words(info_words, info_levels, "flist2,progress", DEFAULT_PRIORITY);
1969 set_io_timeout(io_timeout);
1971 if (INFO_GTE(NAME, 1) && !stdout_format) {
1972 stdout_format = "%n%L";
1973 log_before_transfer = !am_server;
1975 if (stdout_format_has_i || log_format_has(stdout_format, 'o'))
1976 stdout_format_has_o_or_i = 1;
1978 if (logfile_name && !am_daemon) {
1979 if (!logfile_format) {
1980 logfile_format = "%i %n%L";
1981 logfile_format_has_i = logfile_format_has_o_or_i = 1;
1983 if (log_format_has(logfile_format, 'i'))
1984 logfile_format_has_i = 1;
1985 if (logfile_format_has_i || log_format_has(logfile_format, 'o'))
1986 logfile_format_has_o_or_i = 1;
1989 } else if (!am_daemon)
1990 logfile_format = NULL;
1992 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
1993 bwlimit = daemon_bwlimit;
1995 bwlimit_writemax = (size_t)bwlimit * 128;
1996 if (bwlimit_writemax < 512)
1997 bwlimit_writemax = 512;
2000 if (sparse_files && inplace) {
2001 /* Note: we don't check for this below, because --append is
2002 * OK with --sparse (as long as redos are handled right). */
2003 snprintf(err_buf, sizeof err_buf,
2004 "--sparse cannot be used with --inplace\n");
2009 if (whole_file > 0) {
2010 snprintf(err_buf, sizeof err_buf,
2011 "--append cannot be used with --whole-file\n");
2014 if (refused_inplace) {
2015 create_refuse_error(refused_inplace);
2021 if (delay_updates && !partial_dir)
2022 partial_dir = tmp_partialdir;
2025 #ifdef HAVE_FTRUNCATE
2027 snprintf(err_buf, sizeof err_buf,
2028 "--%s cannot be used with --%s\n",
2029 append_mode ? "append" : "inplace",
2030 delay_updates ? "delay-updates" : "partial-dir");
2033 /* --inplace implies --partial for refusal purposes, but we
2034 * clear the keep_partial flag for internal logic purposes. */
2035 if (refused_partial) {
2036 create_refuse_error(refused_partial);
2041 snprintf(err_buf, sizeof err_buf,
2042 "--%s is not supported on this %s\n",
2043 append_mode ? "append" : "inplace",
2044 am_server ? "server" : "client");
2048 if (keep_partial && !partial_dir && !am_server) {
2049 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
2050 partial_dir = strdup(arg);
2054 clean_fname(partial_dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2055 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
2057 if (!partial_dir && refused_partial) {
2058 create_refuse_error(refused_partial);
2068 if (argc > 2 || (!am_daemon && argc == 1)) {
2070 exit_cleanup(RERR_SYNTAX);
2072 if (strcmp(files_from, "-") == 0) {
2075 filesfrom_host = ""; /* reading from socket */
2076 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
2078 snprintf(err_buf, sizeof err_buf,
2079 "The --files-from sent to the server cannot specify a host.\n");
2084 if (strcmp(files_from, "-") == 0) {
2085 snprintf(err_buf, sizeof err_buf,
2086 "Invalid --files-from remote filename\n");
2091 files_from = sanitize_path(NULL, files_from, NULL, 0, SP_DEFAULT);
2092 if (daemon_filter_list.head) {
2095 goto options_rejected;
2096 dir = files_from + (*files_from == '/' ? module_dirlen : 0);
2097 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2098 if (check_filter(&daemon_filter_list, FLOG, dir, 0) < 0)
2099 goto options_rejected;
2101 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
2102 if (filesfrom_fd < 0) {
2103 snprintf(err_buf, sizeof err_buf,
2104 "failed to open files-from file %s: %s\n",
2105 files_from, strerror(errno));
2116 snprintf(err_buf, sizeof err_buf,
2117 "Your options have been rejected by the server.\n");
2123 * Construct a filtered list of options to pass through from the
2124 * client to the server.
2126 * This involves setting options that will tell the server how to
2127 * behave, and also filtering out options that are processed only
2130 void server_options(char **args, int *argc_p)
2132 static char argstr[64];
2138 /* This should always remain first on the server's command-line. */
2139 args[ac++] = "--server";
2141 if (daemon_over_rsh > 0) {
2142 args[ac++] = "--daemon";
2144 /* if we're passing --daemon, we're done */
2149 args[ac++] = "--sender";
2157 for (i = 0; i < verbose; i++)
2160 /* the -q option is intentionally left out */
2165 if (!do_xfers) /* Note: NOT "dry_run"! */
2169 if ((xfer_dirs >= 2 && xfer_dirs < 4)
2170 || (xfer_dirs && !recurse && (list_only || (delete_mode && am_sender))))
2175 if (prune_empty_dirs)
2188 /* We don't need to send --no-whole-file, because it's the
2189 * default for remote transfers, and in any case old versions
2190 * of rsync will not understand it. */
2192 if (preserve_hard_links) {
2194 if (preserve_hard_links > 1)
2201 if (preserve_devices) /* ignore preserve_specials here */
2207 else if (preserve_executability && am_sender)
2213 #ifdef SUPPORT_XATTRS
2214 if (preserve_xattrs) {
2216 if (preserve_xattrs > 1)
2222 if (always_checksum)
2230 if (one_file_system) {
2232 if (one_file_system > 1)
2240 set_allow_inc_recurse();
2242 /* Checking the pre-negotiated value allows --protocol=29 override. */
2243 if (protocol_version >= 30) {
2244 /* We make use of the -e option to let the server know about
2245 * any pre-release protocol version && some behavior flags. */
2247 #if SUBPROTOCOL_VERSION != 0
2248 if (protocol_version == PROTOCOL_VERSION) {
2249 x += snprintf(argstr+x, sizeof argstr - x,
2251 PROTOCOL_VERSION, SUBPROTOCOL_VERSION);
2255 if (allow_inc_recurse)
2257 #if defined HAVE_LUTIMES && defined HAVE_UTIMES
2265 if (x >= (int)sizeof argstr) { /* Not possible... */
2266 rprintf(FERROR, "argstr overflow in server_options().\n");
2267 exit_cleanup(RERR_MALLOC);
2273 args[ac++] = argstr;
2277 char *set = strchr(iconv_opt, ',');
2282 if (asprintf(&arg, "--iconv=%s", set) < 0)
2288 if (protect_args && !local_server) /* unprotected args stop here */
2292 args[ac++] = "--list-only";
2294 /* This makes sure that the remote rsync can handle deleting with -d
2295 * sans -r because the --no-r option was added at the same time. */
2296 if (xfer_dirs && !recurse && delete_mode && am_sender)
2297 args[ac++] = "--no-r";
2299 if (do_compression && def_compress_level != Z_DEFAULT_COMPRESSION) {
2300 if (asprintf(&arg, "--compress-level=%d", def_compress_level) < 0)
2305 if (preserve_devices) {
2306 /* Note: sending "--devices" would not be backward-compatible. */
2307 if (!preserve_specials)
2308 args[ac++] = "--no-specials"; /* -D is already set. */
2309 } else if (preserve_specials)
2310 args[ac++] = "--specials";
2312 /* The server side doesn't use our log-format, but in certain
2313 * circumstances they need to know a little about the option. */
2314 if (stdout_format && am_sender) {
2315 /* Use --log-format, not --out-format, for compatibility. */
2316 if (stdout_format_has_i > 1)
2317 args[ac++] = "--log-format=%i%I";
2318 else if (stdout_format_has_i)
2319 args[ac++] = "--log-format=%i";
2320 else if (stdout_format_has_o_or_i)
2321 args[ac++] = "--log-format=%o";
2323 args[ac++] = "--log-format=X";
2327 if (asprintf(&arg, "-B%lu", block_size) < 0)
2333 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
2339 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
2345 args[ac++] = "--backup-dir";
2346 args[ac++] = backup_dir;
2349 /* Only send --suffix if it specifies a non-default value. */
2350 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
2351 /* We use the following syntax to avoid weirdness with '~'. */
2352 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
2358 if (max_delete > 0) {
2359 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
2362 } else if (max_delete == 0)
2363 args[ac++] = "--max-delete=-1";
2365 args[ac++] = "--min-size";
2366 args[ac++] = min_size_arg;
2369 args[ac++] = "--max-size";
2370 args[ac++] = max_size_arg;
2373 args[ac++] = "--delete-before";
2374 else if (delete_during == 2)
2375 args[ac++] = "--delete-delay";
2376 else if (delete_during)
2377 args[ac++] = "--delete-during";
2378 else if (delete_after)
2379 args[ac++] = "--delete-after";
2380 else if (delete_mode && !delete_excluded)
2381 args[ac++] = "--delete";
2382 if (delete_excluded)
2383 args[ac++] = "--delete-excluded";
2385 args[ac++] = "--force";
2386 if (write_batch < 0)
2387 args[ac++] = "--only-write-batch=X";
2389 args[ac++] = "--super";
2391 args[ac++] = "--size-only";
2393 if (skip_compress) {
2394 if (asprintf(&arg, "--skip-compress=%s", skip_compress) < 0)
2400 if (modify_window_set) {
2401 if (asprintf(&arg, "--modify-window=%d", modify_window) < 0)
2406 if (checksum_seed) {
2407 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
2412 if (partial_dir && am_sender) {
2413 if (partial_dir != tmp_partialdir) {
2414 args[ac++] = "--partial-dir";
2415 args[ac++] = partial_dir;
2418 args[ac++] = "--delay-updates";
2419 } else if (keep_partial && am_sender)
2420 args[ac++] = "--partial";
2423 args[ac++] = "--ignore-errors";
2425 if (copy_unsafe_links)
2426 args[ac++] = "--copy-unsafe-links";
2429 args[ac++] = "--safe-links";
2432 args[ac++] = "--numeric-ids";
2435 args[ac++] = "--use-qsort";
2438 if (ignore_existing)
2439 args[ac++] = "--ignore-existing";
2441 /* Backward compatibility: send --existing, not --ignore-non-existing. */
2442 if (ignore_non_existing)
2443 args[ac++] = "--existing";
2446 args[ac++] = "--temp-dir";
2447 args[ac++] = tmpdir;
2451 /* the server only needs this option if it is not the sender,
2452 * and it may be an older version that doesn't know this
2453 * option, so don't send it if client is the sender.
2455 for (i = 0; i < basis_dir_cnt; i++) {
2456 args[ac++] = dest_option;
2457 args[ac++] = basis_dir[i];
2462 /* What flags do we need to send to the other side? */
2463 where = (am_server ? W_CLI : W_SRV) | (am_sender ? W_REC : W_SND);
2464 arg = make_output_option(info_words, info_levels, where);
2468 arg = make_output_option(debug_words, debug_levels, where);
2473 if (append_mode > 1)
2474 args[ac++] = "--append";
2475 args[ac++] = "--append";
2477 args[ac++] = "--inplace";
2479 if (files_from && (!am_sender || filesfrom_host)) {
2480 if (filesfrom_host) {
2481 args[ac++] = "--files-from";
2482 args[ac++] = files_from;
2484 args[ac++] = "--from0";
2486 args[ac++] = "--files-from=-";
2487 args[ac++] = "--from0";
2489 if (!relative_paths)
2490 args[ac++] = "--no-relative";
2492 /* It's OK that this checks the upper-bound of the protocol_version. */
2493 if (relative_paths && !implied_dirs && (!am_sender || protocol_version >= 30))
2494 args[ac++] = "--no-implied-dirs";
2496 if (fuzzy_basis && am_sender)
2497 args[ac++] = "--fuzzy";
2499 if (remove_source_files == 1)
2500 args[ac++] = "--remove-source-files";
2501 else if (remove_source_files)
2502 args[ac++] = "--remove-sent-files";
2504 if (ac > MAX_SERVER_ARGS) { /* Not possible... */
2505 rprintf(FERROR, "argc overflow in server_options().\n");
2506 exit_cleanup(RERR_MALLOC);
2509 if (remote_option_cnt) {
2511 if (ac + remote_option_cnt > MAX_SERVER_ARGS) {
2512 rprintf(FERROR, "too many remote options specified.\n");
2513 exit_cleanup(RERR_SYNTAX);
2515 for (j = 1; j <= remote_option_cnt; j++)
2516 args[ac++] = (char*)remote_options[j];
2523 out_of_memory("server_options");
2526 /* Look for a HOST specfication of the form "HOST:PATH", "HOST::PATH", or
2527 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
2528 * memory with the HOST. If a daemon-accessing spec was specified, the value
2529 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
2530 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
2531 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
2532 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
2533 char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
2539 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
2541 s += strlen(URL_PREFIX);
2542 if ((p = strchr(s, '/')) != NULL) {
2546 hostlen = strlen(s);
2549 if (*s == '[' && (p = strchr(s, ']')) != NULL) {
2553 *port_ptr = atoi(p+2);
2555 if ((p = strchr(s, ':')) != NULL && p < s + hostlen) {
2557 *port_ptr = atoi(p+1);
2561 *port_ptr = RSYNC_PORT;
2562 *host_ptr = new_array(char, hostlen + 1);
2563 strlcpy(*host_ptr, s, hostlen + 1);
2567 if (*s == '[' && (p = strchr(s, ']')) != NULL && p[1] == ':') {
2571 not_host = strchr(s, '/') || !strchr(s, ':');
2577 if (!(p = strchr(s, ':')))
2581 not_host = strchr(s, '/') != NULL;
2587 *host_ptr = new_array(char, hostlen + 1);
2588 strlcpy(*host_ptr, s, hostlen + 1);
2591 if (port_ptr && !*port_ptr)
2592 *port_ptr = RSYNC_PORT;