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) 2002-2020 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.
24 #include "latest-year.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 name_num_obj valid_checksums;
33 extern struct name_num_obj valid_compressions;
34 extern filter_rule_list filter_list;
35 extern filter_rule_list daemon_filter_list;
40 * If 1, send the whole file as literal data rather than trying to
41 * create an incremental diff.
43 * If -1, then look at whether we're local or remote and go by that.
45 * @sa disable_deltas_p()
50 int keep_dirlinks = 0;
51 int copy_dirlinks = 0;
53 int write_devices = 0;
54 int preserve_links = 0;
55 int preserve_hard_links = 0;
56 int preserve_acls = 0;
57 int preserve_xattrs = 0;
58 int preserve_perms = 0;
59 int preserve_executability = 0;
60 int preserve_devices = 0;
61 int preserve_specials = 0;
64 int preserve_times = 0;
65 int preserve_atimes = 0;
73 int delete_during = 0;
74 int delete_before = 0;
76 int delete_excluded = 0;
77 int remove_source_files = 0;
78 int one_file_system = 0;
79 int protocol_version = PROTOCOL_VERSION;
81 int preallocate_files = 0;
82 int do_compression = 0;
83 int do_compression_level = CLVL_NOT_SPECIFIED;
84 int am_root = 0; /* 0 = normal, 1 = root, 2 = --super, -1 = --fake-super */
87 int am_starting_up = 1;
88 int relative_paths = -1;
90 int missing_args = 0; /* 0 = FERROR_XFER, 1 = ignore, 2 = delete */
93 int allow_8bit_chars = 0;
96 int prune_empty_dirs = 0;
98 char *files_from = NULL;
99 int filesfrom_fd = -1;
100 char *filesfrom_host = NULL;
102 int protect_args = -1;
103 int human_readable = 1;
105 int allow_inc_recurse = 1;
108 int connect_timeout = 0;
109 int keep_partial = 0;
110 int safe_symlinks = 0;
111 int copy_unsafe_links = 0;
112 int munge_symlinks = 0;
114 int daemon_bwlimit = 0;
117 size_t bwlimit_writemax = 0;
118 int ignore_existing = 0;
119 int ignore_non_existing = 0;
120 int need_messages_from_generator = 0;
121 int max_delete = INT_MIN;
124 int ignore_errors = 0;
125 int modify_window = 0;
126 int blocking_io = -1;
127 int checksum_seed = 0;
129 int delay_updates = 0;
130 long block_size = 0; /* "long" because popt can't set an int32. */
131 char *skip_compress = NULL;
132 char *copy_as = NULL;
133 item_list dparam_list = EMPTY_ITEM_LIST;
135 /** Network address family. **/
138 = 0; /* Any protocol */
140 = AF_INET; /* Must use IPv4 */
144 # define AF_INET6 AF_INET /* make -6 option a no-op */
147 /** Do not go into the background when run as --daemon. Good
148 * for debugging and required for running as a service on W32,
149 * or under Unix process-monitors. **/
151 #if defined _WIN32 || defined __WIN32__
159 int backup_dir_len = 0;
160 int backup_suffix_len;
161 unsigned int backup_dir_remainder;
163 char *backup_suffix = NULL;
165 char *partial_dir = NULL;
166 char *basis_dir[MAX_BASIS_DIRS+1];
167 char *config_file = NULL;
168 char *shell_cmd = NULL;
169 char *logfile_name = NULL;
170 char *logfile_format = NULL;
171 char *stdout_format = NULL;
172 char *password_file = NULL;
173 char *rsync_path = RSYNC_PATH;
174 char *backup_dir = NULL;
175 char backup_dir_buf[MAXPATHLEN];
176 char *sockopts = NULL;
177 char *usermap = NULL;
178 char *groupmap = NULL;
180 int compare_dest = 0;
183 int basis_dir_cnt = 0;
184 char *dest_option = NULL;
186 static int remote_option_alloc = 0;
187 int remote_option_cnt = 0;
188 const char **remote_options = NULL;
189 const char *checksum_choice = NULL;
190 const char *compress_choice = NULL;
194 int log_before_transfer = 0;
195 int stdout_format_has_i = 0;
196 int stdout_format_has_o_or_i = 0;
197 int logfile_format_has_i = 0;
198 int logfile_format_has_o_or_i = 0;
199 int always_checksum = 0;
202 #define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
203 char *batch_name = NULL;
205 int need_unsorted_flist = 0;
207 char *iconv_opt = ICONV_OPTION;
210 struct chmod_mode_struct *chmod_modes = NULL;
212 static const char *debug_verbosity[] = {
215 /*2*/ "BIND,CMD,CONNECT,DEL,DELTASUM,DUP,FILTER,FLIST,ICONV",
216 /*3*/ "ACL,BACKUP,CONNECT2,DELTASUM2,DEL2,EXIT,FILTER2,FLIST2,FUZZY,GENR,OWN,RECV,SEND,TIME",
217 /*4*/ "CMD2,DELTASUM3,DEL3,EXIT2,FLIST3,ICONV2,OWN2,PROTO,TIME2",
218 /*5*/ "CHDIR,DELTASUM4,FLIST4,FUZZY2,HASH,HLINK",
221 #define MAX_VERBOSITY ((int)(sizeof debug_verbosity / sizeof debug_verbosity[0]) - 1)
223 static const char *info_verbosity[1+MAX_VERBOSITY] = {
225 /*1*/ "COPY,DEL,FLIST,MISC,NAME,STATS,SYMSAFE",
226 /*2*/ "BACKUP,MISC2,MOUNT,NAME2,REMOVE,SKIP",
229 #define MAX_OUT_LEVEL 4 /* The largest N allowed for any flagN word. */
231 short info_levels[COUNT_INFO], debug_levels[COUNT_DEBUG];
233 #define DEFAULT_PRIORITY 0 /* Default/implied/--verbose set values. */
234 #define HELP_PRIORITY 1 /* The help output uses this level. */
235 #define USER_PRIORITY 2 /* User-specified via --info or --debug */
236 #define LIMIT_PRIORITY 3 /* Overriding priority when limiting values. */
238 #define W_CLI (1<<0) /* client side */
239 #define W_SRV (1<<1) /* server side */
240 #define W_SND (1<<2) /* sending side */
241 #define W_REC (1<<3) /* receiving side */
243 struct output_struct {
244 char *name; /* The name of the info/debug flag. */
245 char *help; /* The description of the info/debug flag. */
246 uchar namelen; /* The length of the name string. */
247 uchar flag; /* The flag's value, for consistency check. */
248 uchar where; /* Bits indicating where the flag is used. */
249 uchar priority; /* See *_PRIORITY defines. */
252 #define INFO_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, INFO_##flag, where, 0 }
254 static struct output_struct info_words[COUNT_INFO+1] = {
255 INFO_WORD(BACKUP, W_REC, "Mention files backed up"),
256 INFO_WORD(COPY, W_REC, "Mention files copied locally on the receiving side"),
257 INFO_WORD(DEL, W_REC, "Mention deletions on the receiving side"),
258 INFO_WORD(FLIST, W_CLI, "Mention file-list receiving/sending (levels 1-2)"),
259 INFO_WORD(MISC, W_SND|W_REC, "Mention miscellaneous information (levels 1-2)"),
260 INFO_WORD(MOUNT, W_SND|W_REC, "Mention mounts that were found or skipped"),
261 INFO_WORD(NAME, W_SND|W_REC, "Mention 1) updated file/dir names, 2) unchanged names"),
262 INFO_WORD(PROGRESS, W_CLI, "Mention 1) per-file progress or 2) total transfer progress"),
263 INFO_WORD(REMOVE, W_SND, "Mention files removed on the sending side"),
264 INFO_WORD(SKIP, W_REC, "Mention files that are skipped due to options used"),
265 INFO_WORD(STATS, W_CLI|W_SRV, "Mention statistics at end of run (levels 1-3)"),
266 INFO_WORD(SYMSAFE, W_SND|W_REC, "Mention symlinks that are unsafe"),
267 { NULL, "--info", 0, 0, 0, 0 }
270 #define DEBUG_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, DEBUG_##flag, where, 0 }
272 static struct output_struct debug_words[COUNT_DEBUG+1] = {
273 DEBUG_WORD(ACL, W_SND|W_REC, "Debug extra ACL info"),
274 DEBUG_WORD(BACKUP, W_REC, "Debug backup actions (levels 1-2)"),
275 DEBUG_WORD(BIND, W_CLI, "Debug socket bind actions"),
276 DEBUG_WORD(CHDIR, W_CLI|W_SRV, "Debug when the current directory changes"),
277 DEBUG_WORD(CONNECT, W_CLI, "Debug connection events (levels 1-2)"),
278 DEBUG_WORD(CMD, W_CLI, "Debug commands+options that are issued (levels 1-2)"),
279 DEBUG_WORD(DEL, W_REC, "Debug delete actions (levels 1-3)"),
280 DEBUG_WORD(DELTASUM, W_SND|W_REC, "Debug delta-transfer checksumming (levels 1-4)"),
281 DEBUG_WORD(DUP, W_REC, "Debug weeding of duplicate names"),
282 DEBUG_WORD(EXIT, W_CLI|W_SRV, "Debug exit events (levels 1-3)"),
283 DEBUG_WORD(FILTER, W_SND|W_REC, "Debug filter actions (levels 1-2)"),
284 DEBUG_WORD(FLIST, W_SND|W_REC, "Debug file-list operations (levels 1-4)"),
285 DEBUG_WORD(FUZZY, W_REC, "Debug fuzzy scoring (levels 1-2)"),
286 DEBUG_WORD(GENR, W_REC, "Debug generator functions"),
287 DEBUG_WORD(HASH, W_SND|W_REC, "Debug hashtable code"),
288 DEBUG_WORD(HLINK, W_SND|W_REC, "Debug hard-link actions (levels 1-3)"),
289 DEBUG_WORD(ICONV, W_CLI|W_SRV, "Debug iconv character conversions (levels 1-2)"),
290 DEBUG_WORD(IO, W_CLI|W_SRV, "Debug I/O routines (levels 1-4)"),
291 DEBUG_WORD(NSTR, W_CLI|W_SRV, "Debug negotiation strings"),
292 DEBUG_WORD(OWN, W_REC, "Debug ownership changes in users & groups (levels 1-2)"),
293 DEBUG_WORD(PROTO, W_CLI|W_SRV, "Debug protocol information"),
294 DEBUG_WORD(RECV, W_REC, "Debug receiver functions"),
295 DEBUG_WORD(SEND, W_SND, "Debug sender functions"),
296 DEBUG_WORD(TIME, W_REC, "Debug setting of modified times (levels 1-2)"),
297 { NULL, "--debug", 0, 0, 0, 0 }
300 static int verbose = 0;
301 static int do_stats = 0;
302 static int do_progress = 0;
303 static int daemon_opt; /* sets am_daemon after option error-reporting */
304 static int omit_dir_times = 0;
305 static int omit_link_times = 0;
306 static int F_option_cnt = 0;
307 static int modify_window_set;
308 static int itemize_changes = 0;
309 static int refused_delete, refused_archive_part, refused_compress;
310 static int refused_partial, refused_progress, refused_delete_before;
311 static int refused_delete_during;
312 static int refused_inplace, refused_no_iconv;
313 static BOOL usermap_via_chown, groupmap_via_chown;
315 static char *outbuf_mode;
317 static char *bwlimit_arg, *max_size_arg, *min_size_arg;
318 static char tmp_partialdir[] = ".~tmp~";
320 /** Local address to bind. As a character string because it's
321 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
322 * address, or a hostname. **/
325 static void output_item_help(struct output_struct *words);
327 /* This constructs a string that represents all the options set for either
328 * the --info or --debug setting, skipping any implied options (by -v, etc.).
329 * This is used both when conveying the user's options to the server, and
330 * when the help output wants to tell the user what options are implied. */
331 static char *make_output_option(struct output_struct *words, short *levels, uchar where)
333 char *str = words == info_words ? "--info=" : "--debug=";
334 int j, counts[MAX_OUT_LEVEL+1], pos, skipped = 0, len = 0, max = 0, lev = 0;
335 int word_count = words == info_words ? COUNT_INFO : COUNT_DEBUG;
338 memset(counts, 0, sizeof counts);
340 for (j = 0; words[j].name; j++) {
341 if (words[j].flag != j) {
342 rprintf(FERROR, "rsync: internal error on %s%s: %d != %d\n",
343 words == info_words ? "INFO_" : "DEBUG_",
344 words[j].name, words[j].flag, j);
345 exit_cleanup(RERR_UNSUPPORTED);
347 if (!(words[j].where & where))
349 if (words[j].priority == DEFAULT_PRIORITY) {
350 /* Implied items don't need to be mentioned. */
354 len += len ? 1 : strlen(str);
355 len += strlen(words[j].name);
356 len += levels[j] == 1 ? 0 : 1;
358 if (words[j].priority == HELP_PRIORITY)
359 continue; /* no abbreviating for help */
361 assert(levels[j] <= MAX_OUT_LEVEL);
362 if (++counts[levels[j]] > max) {
363 /* Determine which level has the most items. */
369 /* Sanity check the COUNT_* define against the length of the table. */
370 if (j != word_count) {
371 rprintf(FERROR, "rsync: internal error: %s is wrong! (%d != %d)\n",
372 words == info_words ? "COUNT_INFO" : "COUNT_DEBUG",
374 exit_cleanup(RERR_UNSUPPORTED);
381 if (!(buf = new_array(char, len)))
382 out_of_memory("make_output_option");
385 if (skipped || max < 5)
389 pos += snprintf(buf, len, "%sNONE", str);
391 pos += snprintf(buf, len, "%sALL", str);
393 pos += snprintf(buf, len, "%sALL%d", str, lev);
396 for (j = 0; words[j].name && pos < len; j++) {
397 if (words[j].priority == DEFAULT_PRIORITY || levels[j] == lev || !(words[j].where & where))
402 pos += strlcpy(buf+pos, str, len-pos);
404 pos += strlcpy(buf+pos, words[j].name, len-pos);
405 /* Level 1 is implied by the name alone. */
406 if (levels[j] != 1 && pos < len)
407 buf[pos++] = '0' + levels[j];
415 static void parse_output_words(struct output_struct *words, short *levels,
416 const char *str, uchar priority)
421 for ( ; str; str = s) {
422 if ((s = strchr(str, ',')) != NULL)
429 while (len && isDigit(str+len-1))
432 lev = isDigit(str+len) ? atoi(str+len) : 1;
433 if (lev > MAX_OUT_LEVEL)
435 if (len == 4 && strncasecmp(str, "help", 4) == 0) {
436 output_item_help(words);
439 if (len == 4 && strncasecmp(str, "none", 4) == 0)
441 else if (len == 3 && strncasecmp(str, "all", 3) == 0)
443 for (j = 0; words[j].name; j++) {
445 || (len == words[j].namelen && strncasecmp(str, words[j].name, len) == 0)) {
446 if (priority >= words[j].priority) {
447 words[j].priority = priority;
454 if (len && !words[j].name && !am_server) {
455 rprintf(FERROR, "Unknown %s item: \"%.*s\"\n",
456 words[j].help, len, str);
457 exit_cleanup(RERR_SYNTAX);
462 /* Tell the user what all the info or debug flags mean. */
463 static void output_item_help(struct output_struct *words)
465 short *levels = words == info_words ? info_levels : debug_levels;
466 const char **verbosity = words == info_words ? info_verbosity : debug_verbosity;
467 char buf[128], *opt, *fmt = "%-10s %s\n";
470 reset_output_levels();
472 rprintf(FINFO, "Use OPT or OPT1 for level 1 output, OPT2 for level 2, etc.; OPT0 silences.\n");
473 rprintf(FINFO, "\n");
474 for (j = 0; words[j].name; j++)
475 rprintf(FINFO, fmt, words[j].name, words[j].help);
476 rprintf(FINFO, "\n");
478 snprintf(buf, sizeof buf, "Set all %s options (e.g. all%d)",
479 words[j].help, MAX_OUT_LEVEL);
480 rprintf(FINFO, fmt, "ALL", buf);
482 snprintf(buf, sizeof buf, "Silence all %s options (same as all0)",
484 rprintf(FINFO, fmt, "NONE", buf);
486 rprintf(FINFO, fmt, "HELP", "Output this help message");
487 rprintf(FINFO, "\n");
488 rprintf(FINFO, "Options added for each increase in verbose level:\n");
490 for (j = 1; j <= MAX_VERBOSITY; j++) {
491 parse_output_words(words, levels, verbosity[j], HELP_PRIORITY);
492 opt = make_output_option(words, levels, W_CLI|W_SRV|W_SND|W_REC);
494 rprintf(FINFO, "%d) %s\n", j, strchr(opt, '=')+1);
497 reset_output_levels();
501 /* The --verbose option now sets info+debug flags. */
502 static void set_output_verbosity(int level, uchar priority)
506 if (level > MAX_VERBOSITY)
507 level = MAX_VERBOSITY;
509 for (j = 1; j <= level; j++) {
510 parse_output_words(info_words, info_levels, info_verbosity[j], priority);
511 parse_output_words(debug_words, debug_levels, debug_verbosity[j], priority);
515 /* Limit the info+debug flag levels given a verbose-option level limit. */
516 void limit_output_verbosity(int level)
518 short info_limits[COUNT_INFO], debug_limits[COUNT_DEBUG];
521 if (level > MAX_VERBOSITY)
524 memset(info_limits, 0, sizeof info_limits);
525 memset(debug_limits, 0, sizeof debug_limits);
527 /* Compute the level limits in the above arrays. */
528 for (j = 1; j <= level; j++) {
529 parse_output_words(info_words, info_limits, info_verbosity[j], LIMIT_PRIORITY);
530 parse_output_words(debug_words, debug_limits, debug_verbosity[j], LIMIT_PRIORITY);
533 for (j = 0; j < COUNT_INFO; j++) {
534 if (info_levels[j] > info_limits[j])
535 info_levels[j] = info_limits[j];
538 for (j = 0; j < COUNT_DEBUG; j++) {
539 if (debug_levels[j] > debug_limits[j])
540 debug_levels[j] = debug_limits[j];
544 void reset_output_levels(void)
548 memset(info_levels, 0, sizeof info_levels);
549 memset(debug_levels, 0, sizeof debug_levels);
551 for (j = 0; j < COUNT_INFO; j++)
552 info_words[j].priority = DEFAULT_PRIORITY;
554 for (j = 0; j < COUNT_DEBUG; j++)
555 debug_words[j].priority = DEFAULT_PRIORITY;
558 void negate_output_levels(void)
562 for (j = 0; j < COUNT_INFO; j++)
563 info_levels[j] *= -1;
565 for (j = 0; j < COUNT_DEBUG; j++)
566 debug_levels[j] *= -1;
569 static char *istring(const char *fmt, int val)
572 if (asprintf(&str, fmt, val) < 0)
573 out_of_memory("istring");
577 static void print_capabilities(enum logcode f)
579 char *capabilities[256]; /* Just overallocate this so it's impossible to overflow... */
581 STRUCT_STAT *dumstat;
582 int line_len, cnt = 0;
584 #define add(str,val) capabilities[cnt++] = istring(str, val)
586 add("%d-bit files", (int)(sizeof (OFF_T) * 8));
587 add("%d-bit inums", (int)(sizeof dumstat->st_ino * 8)); /* Don't check ino_t! */
588 add("%d-bit timestamps", (int)(sizeof (time_t) * 8));
589 add("%d-bit long ints", (int)(sizeof (int64) * 8));
592 #define add(str) capabilities[cnt++] = str
595 #ifndef HAVE_SOCKETPAIR
601 #ifndef SUPPORT_HARD_LINKS
607 #ifndef SUPPORT_LINKS
621 #ifndef HAVE_FTRUNCATE
627 #ifndef HAVE_FTRUNCATE
639 #ifndef SUPPORT_XATTRS
651 #ifndef CAN_SET_SYMLINK_TIMES
657 #ifndef SUPPORT_PREALLOCATION
672 for (line_len = 0, cnt = 0; ; cnt++) {
673 char *cap = capabilities[cnt];
674 int cap_len = cap ? strlen(cap) : 1000;
675 int need_comma = cap && capabilities[cnt+1] != NULL ? 1 : 0;
676 if (line_len + 1 + cap_len + need_comma >= (int)sizeof line_buf) {
677 rprintf(f, " %s\n", line_buf);
682 line_len += snprintf(line_buf+line_len, sizeof line_buf - line_len, " %s%s", cap, need_comma ? "," : "");
686 static void print_rsync_version(enum logcode f)
688 char tmpbuf[256], *subprotocol = "";
690 #if SUBPROTOCOL_VERSION != 0
691 subprotocol = istring(".PR%d", SUBPROTOCOL_VERSION);
693 rprintf(f, "%s version %s protocol version %d%s\n",
694 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION, subprotocol);
696 rprintf(f, "Copyright (C) 1996-" LATEST_YEAR " by Andrew Tridgell, Wayne Davison, and others.\n");
697 rprintf(f, "Web site: http://rsync.samba.org/\n");
699 rprintf(f, "Capabilities:\n");
700 print_capabilities(f);
702 rprintf(f, "Checksum list:\n");
703 get_default_nno_list(&valid_checksums, tmpbuf, sizeof tmpbuf, '(');
704 rprintf(f, " %s\n", tmpbuf);
706 rprintf(f, "Compress list:\n");
707 get_default_nno_list(&valid_compressions, tmpbuf, sizeof tmpbuf, '(');
708 rprintf(f, " %s\n", tmpbuf);
710 #ifdef MAINTAINER_MODE
711 rprintf(f, "Panic Action: \"%s\"\n", get_panic_action());
715 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
717 if (sizeof (int64) != SIZEOF_INT64) {
719 "WARNING: size mismatch in SIZEOF_INT64 define (%d != %d)\n",
720 (int) SIZEOF_INT64, (int) sizeof (int64));
724 rprintf(f,"rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n");
725 rprintf(f,"are welcome to redistribute it under certain conditions. See the GNU\n");
726 rprintf(f,"General Public Licence for details.\n");
730 void usage(enum logcode F)
732 print_rsync_version(F);
735 rprintf(F,"rsync is a file transfer program capable of efficient remote update\n");
736 rprintf(F,"via a fast differencing algorithm.\n");
739 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... DEST\n");
740 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
741 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
742 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
743 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC [DEST]\n");
744 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
745 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
746 rprintf(F,"The ':' usages connect via remote shell, while '::' & 'rsync://' usages connect\n");
747 rprintf(F,"to an rsync daemon, and require SRC or DEST to start with a module name.\n");
749 rprintf(F,"Options\n");
750 rprintf(F," -v, --verbose increase verbosity\n");
751 rprintf(F," --info=FLAGS fine-grained informational verbosity\n");
752 rprintf(F," --debug=FLAGS fine-grained debug verbosity\n");
753 rprintf(F," --msgs2stderr special output handling for debugging\n");
754 rprintf(F," -q, --quiet suppress non-error messages\n");
755 rprintf(F," --no-motd suppress daemon-mode MOTD (see manpage caveat)\n");
756 rprintf(F," -c, --checksum skip based on checksum, not mod-time & size\n");
757 rprintf(F," -a, --archive archive mode; equals -rlptgoD (no -H,-A,-X)\n");
758 rprintf(F," --no-OPTION turn off an implied OPTION (e.g. --no-D)\n");
759 rprintf(F," -r, --recursive recurse into directories\n");
760 rprintf(F," -R, --relative use relative path names\n");
761 rprintf(F," --no-implied-dirs don't send implied dirs with --relative\n");
762 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
763 rprintf(F," --backup-dir=DIR make backups into hierarchy based in DIR\n");
764 rprintf(F," --suffix=SUFFIX set backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
765 rprintf(F," -u, --update skip files that are newer on the receiver\n");
766 rprintf(F," --inplace update destination files in-place (SEE MAN PAGE)\n");
767 rprintf(F," --append append data onto shorter files\n");
768 rprintf(F," --append-verify like --append, but with old data in file checksum\n");
769 rprintf(F," -d, --dirs transfer directories without recursing\n");
770 rprintf(F," -l, --links copy symlinks as symlinks\n");
771 rprintf(F," -L, --copy-links transform symlink into referent file/dir\n");
772 rprintf(F," --copy-unsafe-links only \"unsafe\" symlinks are transformed\n");
773 rprintf(F," --safe-links ignore symlinks that point outside the source tree\n");
774 rprintf(F," --munge-links munge symlinks to make them safer (but unusable)\n");
775 rprintf(F," -k, --copy-dirlinks transform symlink to a dir into referent dir\n");
776 rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n");
777 rprintf(F," -H, --hard-links preserve hard links\n");
778 rprintf(F," -p, --perms preserve permissions\n");
779 rprintf(F," -E, --executability preserve the file's executability\n");
780 rprintf(F," --chmod=CHMOD affect file and/or directory permissions\n");
782 rprintf(F," -A, --acls preserve ACLs (implies --perms)\n");
784 #ifdef SUPPORT_XATTRS
785 rprintf(F," -X, --xattrs preserve extended attributes\n");
787 rprintf(F," -o, --owner preserve owner (super-user only)\n");
788 rprintf(F," -g, --group preserve group\n");
789 rprintf(F," --devices preserve device files (super-user only)\n");
790 rprintf(F," --specials preserve special files\n");
791 rprintf(F," -D same as --devices --specials\n");
792 rprintf(F," -t, --times preserve modification times\n");
793 rprintf(F," -U, --atimes preserve access (last-used) times\n");
794 rprintf(F," --open-noatime avoid changing the atime on opened files\n");
795 rprintf(F," -O, --omit-dir-times omit directories from --times\n");
796 rprintf(F," -J, --omit-link-times omit symlinks from --times\n");
797 rprintf(F," --super receiver attempts super-user activities\n");
798 #ifdef SUPPORT_XATTRS
799 rprintf(F," --fake-super store/recover privileged attrs using xattrs\n");
801 rprintf(F," -S, --sparse turn sequences of nulls into sparse blocks\n");
802 #ifdef SUPPORT_PREALLOCATION
803 rprintf(F," --preallocate allocate dest files before writing them\n");
805 rprintf(F," --preallocate pre-allocate dest files on remote receiver\n");
807 rprintf(F," --write-devices write to devices as files (implies --inplace)\n");
808 rprintf(F," -n, --dry-run perform a trial run with no changes made\n");
809 rprintf(F," -W, --whole-file copy files whole (without delta-xfer algorithm)\n");
810 rprintf(F," --checksum-choice=STR choose the checksum algorithms\n");
811 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
812 rprintf(F," -B, --block-size=SIZE force a fixed checksum block-size\n");
813 rprintf(F," -e, --rsh=COMMAND specify the remote shell to use\n");
814 rprintf(F," --rsync-path=PROGRAM specify the rsync to run on the remote machine\n");
815 rprintf(F," --existing skip creating new files on receiver\n");
816 rprintf(F," --ignore-existing skip updating files that already exist on receiver\n");
817 rprintf(F," --remove-source-files sender removes synchronized files (non-dirs)\n");
818 rprintf(F," --del an alias for --delete-during\n");
819 rprintf(F," --delete delete extraneous files from destination dirs\n");
820 rprintf(F," --delete-before receiver deletes before transfer, not during\n");
821 rprintf(F," --delete-during receiver deletes during the transfer\n");
822 rprintf(F," --delete-delay find deletions during, delete after\n");
823 rprintf(F," --delete-after receiver deletes after transfer, not during\n");
824 rprintf(F," --delete-excluded also delete excluded files from destination dirs\n");
825 rprintf(F," --ignore-missing-args ignore missing source args without error\n");
826 rprintf(F," --delete-missing-args delete missing source args from destination\n");
827 rprintf(F," --ignore-errors delete even if there are I/O errors\n");
828 rprintf(F," --force force deletion of directories even if not empty\n");
829 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
830 rprintf(F," --max-size=SIZE don't transfer any file larger than SIZE\n");
831 rprintf(F," --min-size=SIZE don't transfer any file smaller than SIZE\n");
832 rprintf(F," --partial keep partially transferred files\n");
833 rprintf(F," --partial-dir=DIR put a partially transferred file into DIR\n");
834 rprintf(F," --delay-updates put all updated files into place at transfer's end\n");
835 rprintf(F," -m, --prune-empty-dirs prune empty directory chains from the file-list\n");
836 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
837 rprintf(F," --usermap=STRING custom username mapping\n");
838 rprintf(F," --groupmap=STRING custom groupname mapping\n");
839 rprintf(F," --chown=USER:GROUP simple username/groupname mapping\n");
840 rprintf(F," --timeout=SECONDS set I/O timeout in seconds\n");
841 rprintf(F," --contimeout=SECONDS set daemon connection timeout in seconds\n");
842 rprintf(F," -I, --ignore-times don't skip files that match in size and mod-time\n");
843 rprintf(F," -M, --remote-option=OPTION send OPTION to the remote side only\n");
844 rprintf(F," --size-only skip files that match in size\n");
845 rprintf(F," -@, --modify-window=NUM set the accuracy for mod-time comparisons\n");
846 rprintf(F," -T, --temp-dir=DIR create temporary files in directory DIR\n");
847 rprintf(F," -y, --fuzzy find similar file for basis if no dest file\n");
848 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
849 rprintf(F," --copy-dest=DIR ... and include copies of unchanged files\n");
850 rprintf(F," --link-dest=DIR hardlink to files in DIR when unchanged\n");
851 rprintf(F," -z, --compress compress file data during the transfer\n");
852 rprintf(F," --compress-level=NUM explicitly set compression level\n");
853 rprintf(F," --skip-compress=LIST skip compressing files with a suffix in LIST\n");
854 rprintf(F," -C, --cvs-exclude auto-ignore files the same way CVS does\n");
855 rprintf(F," -f, --filter=RULE add a file-filtering RULE\n");
856 rprintf(F," -F same as --filter='dir-merge /.rsync-filter'\n");
857 rprintf(F," repeated: --filter='- .rsync-filter'\n");
858 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
859 rprintf(F," --exclude-from=FILE read exclude patterns from FILE\n");
860 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
861 rprintf(F," --include-from=FILE read include patterns from FILE\n");
862 rprintf(F," --files-from=FILE read list of source-file names from FILE\n");
863 rprintf(F," -0, --from0 all *-from/filter files are delimited by 0s\n");
864 rprintf(F," -s, --protect-args no space-splitting; only wildcard special-chars\n");
865 rprintf(F," --copy-as=USER[:GROUP] specify user & optional group for the copy\n");
866 rprintf(F," --address=ADDRESS bind address for outgoing socket to daemon\n");
867 rprintf(F," --port=PORT specify double-colon alternate port number\n");
868 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
869 rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
870 rprintf(F," --stats give some file-transfer stats\n");
871 rprintf(F," -8, --8-bit-output leave high-bit chars unescaped in output\n");
872 rprintf(F," -h, --human-readable output numbers in a human-readable format\n");
873 rprintf(F," --progress show progress during transfer\n");
874 rprintf(F," -P same as --partial --progress\n");
875 rprintf(F," -i, --itemize-changes output a change-summary for all updates\n");
876 rprintf(F," --out-format=FORMAT output updates using the specified FORMAT\n");
877 rprintf(F," --log-file=FILE log what we're doing to the specified FILE\n");
878 rprintf(F," --log-file-format=FMT log updates using the specified FMT\n");
879 rprintf(F," --password-file=FILE read daemon-access password from FILE\n");
880 rprintf(F," --list-only list the files instead of copying them\n");
881 rprintf(F," --bwlimit=RATE limit socket I/O bandwidth\n");
883 rprintf(F," --outbuf=N|L|B set output buffering to None, Line, or Block\n");
885 rprintf(F," --write-batch=FILE write a batched update to FILE\n");
886 rprintf(F," --only-write-batch=FILE like --write-batch but w/o updating destination\n");
887 rprintf(F," --read-batch=FILE read a batched update from FILE\n");
888 rprintf(F," --protocol=NUM force an older protocol version to be used\n");
890 rprintf(F," --iconv=CONVERT_SPEC request charset conversion of filenames\n");
892 rprintf(F," --checksum-seed=NUM set block/file checksum seed (advanced)\n");
893 rprintf(F," -4, --ipv4 prefer IPv4\n");
894 rprintf(F," -6, --ipv6 prefer IPv6\n");
895 rprintf(F," --version print version number\n");
896 rprintf(F,"(-h) --help show this help (-h is --help only if used alone)\n");
899 rprintf(F,"Use \"rsync --daemon --help\" to see the daemon-mode command-line options.\n");
900 rprintf(F,"Please see the rsync(1) and rsyncd.conf(5) man pages for full documentation.\n");
901 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
904 enum {OPT_VERSION = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
905 OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP,
906 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD,
907 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
908 OPT_NO_D, OPT_APPEND, OPT_NO_ICONV, OPT_INFO, OPT_DEBUG,
909 OPT_USERMAP, OPT_GROUPMAP, OPT_CHOWN, OPT_BWLIMIT,
910 OPT_OLD_COMPRESS, OPT_NEW_COMPRESS, OPT_NO_COMPRESS,
911 OPT_SERVER, OPT_REFUSED_BASE = 9000};
913 static struct poptOption long_options[] = {
914 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
915 {"help", 0, POPT_ARG_NONE, 0, OPT_HELP, 0, 0 },
916 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
917 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
918 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
919 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
920 {"info", 0, POPT_ARG_STRING, 0, OPT_INFO, 0, 0 },
921 {"debug", 0, POPT_ARG_STRING, 0, OPT_DEBUG, 0, 0 },
922 {"msgs2stderr", 0, POPT_ARG_NONE, &msgs2stderr, 0, 0, 0 },
923 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
924 {"motd", 0, POPT_ARG_VAL, &output_motd, 1, 0, 0 },
925 {"no-motd", 0, POPT_ARG_VAL, &output_motd, 0, 0, 0 },
926 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
927 {"human-readable", 'h', POPT_ARG_NONE, 0, 'h', 0, 0},
928 {"no-human-readable",0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
929 {"no-h", 0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
930 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
931 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
932 {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 },
933 {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
934 {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
935 {"inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
936 {"no-inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
937 {"i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
938 {"no-i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
939 {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
940 {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
941 {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
942 {"old-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
943 {"old-d", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
944 {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
945 {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
946 {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
947 {"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 },
948 {"acls", 'A', POPT_ARG_NONE, 0, 'A', 0, 0 },
949 {"no-acls", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
950 {"no-A", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
951 {"xattrs", 'X', POPT_ARG_NONE, 0, 'X', 0, 0 },
952 {"no-xattrs", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
953 {"no-X", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
954 {"times", 't', POPT_ARG_VAL, &preserve_times, 1, 0, 0 },
955 {"no-times", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
956 {"no-t", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
957 {"atimes", 'U', POPT_ARG_NONE, 0, 'U', 0, 0 },
958 {"no-atimes", 0, POPT_ARG_VAL, &preserve_atimes, 0, 0, 0 },
959 {"no-U", 0, POPT_ARG_VAL, &preserve_atimes, 0, 0, 0 },
960 {"open-noatime", 0, POPT_ARG_VAL, &open_noatime, 1, 0, 0 },
961 {"no-open-noatime", 0, POPT_ARG_VAL, &open_noatime, 0, 0, 0 },
962 {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 1, 0, 0 },
963 {"no-omit-dir-times",0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
964 {"no-O", 0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
965 {"omit-link-times", 'J', POPT_ARG_VAL, &omit_link_times, 1, 0, 0 },
966 {"no-omit-link-times",0, POPT_ARG_VAL, &omit_link_times, 0, 0, 0 },
967 {"no-J", 0, POPT_ARG_VAL, &omit_link_times, 0, 0, 0 },
968 {"modify-window", '@', POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
969 {"super", 0, POPT_ARG_VAL, &am_root, 2, 0, 0 },
970 {"no-super", 0, POPT_ARG_VAL, &am_root, 0, 0, 0 },
971 {"fake-super", 0, POPT_ARG_VAL, &am_root, -1, 0, 0 },
972 {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 },
973 {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
974 {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
975 {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 },
976 {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
977 {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
978 {0, 'D', POPT_ARG_NONE, 0, 'D', 0, 0 },
979 {"no-D", 0, POPT_ARG_NONE, 0, OPT_NO_D, 0, 0 },
980 {"devices", 0, POPT_ARG_VAL, &preserve_devices, 1, 0, 0 },
981 {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
982 {"write-devices", 0, POPT_ARG_VAL, &write_devices, 1, 0, 0 },
983 {"no-write-devices", 0, POPT_ARG_VAL, &write_devices, 0, 0, 0 },
984 {"specials", 0, POPT_ARG_VAL, &preserve_specials, 1, 0, 0 },
985 {"no-specials", 0, POPT_ARG_VAL, &preserve_specials, 0, 0, 0 },
986 {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 },
987 {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
988 {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
989 {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 },
990 {"copy-unsafe-links",0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 },
991 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
992 {"munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 1, 0, 0 },
993 {"no-munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 0, 0, 0 },
994 {"copy-dirlinks", 'k', POPT_ARG_NONE, ©_dirlinks, 0, 0, 0 },
995 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
996 {"hard-links", 'H', POPT_ARG_NONE, 0, 'H', 0, 0 },
997 {"no-hard-links", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
998 {"no-H", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
999 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
1000 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
1001 {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
1002 {"implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
1003 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
1004 {"i-d", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
1005 {"no-i-d", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
1006 {"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 },
1007 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
1008 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
1009 {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 },
1010 {"no-one-file-system",0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
1011 {"no-x", 0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
1012 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
1013 {"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
1014 {"ignore-non-existing",0,POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
1015 {"ignore-existing", 0, POPT_ARG_NONE, &ignore_existing, 0, 0, 0 },
1016 {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
1017 {"min-size", 0, POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 },
1018 {"sparse", 'S', POPT_ARG_VAL, &sparse_files, 1, 0, 0 },
1019 {"no-sparse", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
1020 {"no-S", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
1021 {"preallocate", 0, POPT_ARG_NONE, &preallocate_files, 0, 0, 0},
1022 {"inplace", 0, POPT_ARG_VAL, &inplace, 1, 0, 0 },
1023 {"no-inplace", 0, POPT_ARG_VAL, &inplace, 0, 0, 0 },
1024 {"append", 0, POPT_ARG_NONE, 0, OPT_APPEND, 0, 0 },
1025 {"append-verify", 0, POPT_ARG_VAL, &append_mode, 2, 0, 0 },
1026 {"no-append", 0, POPT_ARG_VAL, &append_mode, 0, 0, 0 },
1027 {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
1028 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
1029 {"delete-before", 0, POPT_ARG_NONE, &delete_before, 0, 0, 0 },
1030 {"delete-during", 0, POPT_ARG_VAL, &delete_during, 1, 0, 0 },
1031 {"delete-delay", 0, POPT_ARG_VAL, &delete_during, 2, 0, 0 },
1032 {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
1033 {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
1034 {"delete-missing-args",0,POPT_BIT_SET, &missing_args, 2, 0, 0 },
1035 {"ignore-missing-args",0,POPT_BIT_SET, &missing_args, 1, 0, 0 },
1036 {"remove-sent-files",0, POPT_ARG_VAL, &remove_source_files, 2, 0, 0 }, /* deprecated */
1037 {"remove-source-files",0,POPT_ARG_VAL, &remove_source_files, 1, 0, 0 },
1038 {"force", 0, POPT_ARG_VAL, &force_delete, 1, 0, 0 },
1039 {"no-force", 0, POPT_ARG_VAL, &force_delete, 0, 0, 0 },
1040 {"ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 1, 0, 0 },
1041 {"no-ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 0, 0, 0 },
1042 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
1043 {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
1044 {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
1045 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
1046 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
1047 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
1048 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
1049 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
1050 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
1051 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
1052 {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
1053 {"checksum", 'c', POPT_ARG_VAL, &always_checksum, 1, 0, 0 },
1054 {"no-checksum", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
1055 {"no-c", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
1056 {"checksum-choice", 0, POPT_ARG_STRING, &checksum_choice, 0, 0, 0 },
1057 {"cc", 0, POPT_ARG_STRING, &checksum_choice, 0, 0, 0 },
1058 {"block-size", 'B', POPT_ARG_LONG, &block_size, 0, 0, 0 },
1059 {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
1060 {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
1061 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
1062 {"fuzzy", 'y', POPT_ARG_NONE, 0, 'y', 0, 0 },
1063 {"no-fuzzy", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
1064 {"no-y", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
1065 {"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 },
1066 {"old-compress", 0, POPT_ARG_NONE, 0, OPT_OLD_COMPRESS, 0, 0 },
1067 {"new-compress", 0, POPT_ARG_NONE, 0, OPT_NEW_COMPRESS, 0, 0 },
1068 {"no-compress", 0, POPT_ARG_NONE, 0, OPT_NO_COMPRESS, 0, 0 },
1069 {"no-z", 0, POPT_ARG_NONE, 0, OPT_NO_COMPRESS, 0, 0 },
1070 {"compress-choice", 0, POPT_ARG_STRING, &compress_choice, 0, 0, 0 },
1071 {"zc", 0, POPT_ARG_STRING, &compress_choice, 0, 0, 0 },
1072 {"skip-compress", 0, POPT_ARG_STRING, &skip_compress, 0, 0, 0 },
1073 {"compress-level", 0, POPT_ARG_INT, &do_compression_level, 0, 0, 0 },
1074 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
1075 {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 },
1076 {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 },
1077 {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 },
1078 {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 },
1079 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
1080 {"delay-updates", 0, POPT_ARG_VAL, &delay_updates, 1, 0, 0 },
1081 {"no-delay-updates", 0, POPT_ARG_VAL, &delay_updates, 0, 0, 0 },
1082 {"prune-empty-dirs",'m', POPT_ARG_VAL, &prune_empty_dirs, 1, 0, 0 },
1083 {"no-prune-empty-dirs",0,POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
1084 {"no-m", 0, POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
1085 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
1086 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
1087 {"out-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 },
1088 {"log-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 }, /* DEPRECATED */
1089 {"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 },
1090 {"no-itemize-changes",0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
1091 {"no-i", 0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
1092 {"bwlimit", 0, POPT_ARG_STRING, &bwlimit_arg, OPT_BWLIMIT, 0, 0 },
1093 {"no-bwlimit", 0, POPT_ARG_VAL, &bwlimit, 0, 0, 0 },
1094 {"backup", 'b', POPT_ARG_VAL, &make_backups, 1, 0, 0 },
1095 {"no-backup", 0, POPT_ARG_VAL, &make_backups, 0, 0, 0 },
1096 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
1097 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
1098 {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
1099 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
1100 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
1101 {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
1102 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
1103 {"from0", '0', POPT_ARG_VAL, &eol_nulls, 1, 0, 0},
1104 {"no-from0", 0, POPT_ARG_VAL, &eol_nulls, 0, 0, 0},
1105 {"protect-args", 's', POPT_ARG_VAL, &protect_args, 1, 0, 0},
1106 {"no-protect-args", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
1107 {"no-s", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
1108 {"numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 1, 0, 0 },
1109 {"no-numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 0, 0, 0 },
1110 {"usermap", 0, POPT_ARG_STRING, 0, OPT_USERMAP, 0, 0 },
1111 {"groupmap", 0, POPT_ARG_STRING, 0, OPT_GROUPMAP, 0, 0 },
1112 {"chown", 0, POPT_ARG_STRING, 0, OPT_CHOWN, 0, 0 },
1113 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
1114 {"no-timeout", 0, POPT_ARG_VAL, &io_timeout, 0, 0, 0 },
1115 {"contimeout", 0, POPT_ARG_INT, &connect_timeout, 0, 0, 0 },
1116 {"no-contimeout", 0, POPT_ARG_VAL, &connect_timeout, 0, 0, 0 },
1117 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
1118 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
1119 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
1121 {"iconv", 0, POPT_ARG_STRING, &iconv_opt, 0, 0, 0 },
1122 {"no-iconv", 0, POPT_ARG_NONE, 0, OPT_NO_ICONV, 0, 0 },
1124 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
1125 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
1126 {"8-bit-output", '8', POPT_ARG_VAL, &allow_8bit_chars, 1, 0, 0 },
1127 {"no-8-bit-output", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
1128 {"no-8", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
1129 {"qsort", 0, POPT_ARG_NONE, &use_qsort, 0, 0, 0 },
1130 {"copy-as", 0, POPT_ARG_STRING, ©_as, 0, 0, 0 },
1131 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
1132 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
1133 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
1134 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
1135 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
1136 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
1138 {"outbuf", 0, POPT_ARG_STRING, &outbuf_mode, 0, 0, 0 },
1140 {"remote-option", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
1141 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
1142 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
1143 {"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 },
1144 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
1145 /* All the following options switch us into daemon-mode option-parsing. */
1146 {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
1147 {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
1148 {"dparam", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
1149 {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
1150 {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
1154 static void daemon_usage(enum logcode F)
1156 print_rsync_version(F);
1159 rprintf(F,"Usage: rsync --daemon [OPTION]...\n");
1160 rprintf(F," --address=ADDRESS bind to the specified address\n");
1161 rprintf(F," --bwlimit=RATE limit socket I/O bandwidth\n");
1162 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
1163 rprintf(F," -M, --dparam=OVERRIDE override global daemon config parameter\n");
1164 rprintf(F," --no-detach do not detach from the parent\n");
1165 rprintf(F," --port=PORT listen on alternate port number\n");
1166 rprintf(F," --log-file=FILE override the \"log file\" setting\n");
1167 rprintf(F," --log-file-format=FMT override the \"log format\" setting\n");
1168 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
1169 rprintf(F," -v, --verbose increase verbosity\n");
1170 rprintf(F," -4, --ipv4 prefer IPv4\n");
1171 rprintf(F," -6, --ipv6 prefer IPv6\n");
1172 rprintf(F," --help show this help screen\n");
1175 rprintf(F,"If you were not trying to invoke rsync as a daemon, avoid using any of the\n");
1176 rprintf(F,"daemon-specific rsync options. See also the rsyncd.conf(5) man page.\n");
1179 static struct poptOption long_daemon_options[] = {
1180 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
1181 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
1182 {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
1183 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
1184 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
1185 {"dparam", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
1186 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
1187 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
1188 {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
1189 {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
1190 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
1191 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
1192 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
1193 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
1194 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
1195 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
1196 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
1197 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
1198 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
1199 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
1200 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
1205 static char err_buf[200];
1209 * Store the option error message, if any, so that we can log the
1210 * connection attempt (which requires parsing the options), and then
1211 * show the error later on.
1213 void option_error(void)
1216 strlcpy(err_buf, "Error parsing options: option may "
1217 "be supported on client but not on server?\n",
1221 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
1222 io_flush(FULL_FLUSH);
1227 static void parse_one_refuse_match(int negated, const char *ref, const struct poptOption *list_end)
1229 struct poptOption *op;
1231 int is_wild = strpbrk(ref, "*?[") != NULL;
1232 int found_match = 0;
1234 shortName[1] = '\0';
1236 if (strcmp("a", ref) == 0 || strcmp("archive", ref) == 0) {
1237 ref = "[ardlptgoD]";
1241 for (op = long_options; op != list_end; op++) {
1242 *shortName = op->shortName;
1243 if ((op->longName && wildmatch(ref, op->longName))
1244 || (*shortName && wildmatch(ref, shortName))) {
1245 if (op->descrip[1] == '*')
1246 op->descrip = negated ? "a*" : "r*";
1248 op->descrip = negated ? "a=" : "r=";
1256 rprintf(FLOG, "No match for refuse-options string \"%s\"\n", ref);
1261 * Tweak the option table to disable all options that the rsyncd.conf
1262 * file has told us to refuse.
1264 static void set_refuse_options(void)
1266 struct poptOption *op, *list_end = NULL;
1267 char *cp, *ref = lp_refuse_options(module_id);
1273 if (!*ref && !am_daemon) /* A simple optimization */
1276 /* We abuse the descrip field in poptOption to make it easy to flag which options
1277 * are refused (since we don't use it otherwise). Start by marking all options
1278 * as "a"ccepted with a few options also marked as non-wild. */
1279 for (op = long_options; ; op++) {
1280 const char *longName = op->longName ? op->longName : "";
1281 if (!op->longName && !op->shortName) {
1285 if (op->shortName == 'e' /* Required for compatibility flags */
1286 || op->shortName == '0' /* --from0 just modifies --files-from, so refuse that instead (or not) */
1287 || op->shortName == 's' /* --protect-args is always OK */
1288 || op->shortName == 'n' /* --dry-run is always OK */
1289 || strcmp("iconv", longName) == 0
1290 || strcmp("no-iconv", longName) == 0
1291 || strcmp("checksum-seed", longName) == 0
1292 || strcmp("write-devices", longName) == 0 /* disable wild-match (it gets refused below) */
1293 || strcmp("log-format", longName) == 0 /* aka out-format (NOT log-file-format) */
1294 || strcmp("sender", longName) == 0
1295 || strcmp("server", longName) == 0)
1296 op->descrip = "a="; /* exact-match only */
1298 op->descrip = "a*"; /* wild-card-able */
1300 assert(list_end != NULL);
1302 if (am_daemon) /* Refused by default, but can be accepted via "!write-devices" */
1303 parse_one_refuse_match(0, "write-devices", list_end);
1306 while (*ref == ' ') ref++;
1309 if ((cp = strchr(ref, ' ')) != NULL)
1311 negated = *ref == '!';
1312 if (negated && ref[1])
1314 parse_one_refuse_match(negated, ref, list_end);
1323 if (!*lp_charset(module_id))
1324 parse_one_refuse_match(0, "iconv", list_end);
1326 parse_one_refuse_match(0, "log-file*", list_end);
1329 /* Now we use the descrip values to actually mark the options for refusal. */
1330 for (op = long_options; op != list_end; op++) {
1331 int refused = op->descrip[0] == 'r';
1335 if (op->argInfo == POPT_ARG_VAL)
1336 op->argInfo = POPT_ARG_NONE;
1337 op->val = (op - long_options) + OPT_REFUSED_BASE;
1338 /* The following flags are set to let us easily check an implied option later in the code. */
1339 switch (op->shortName) {
1340 case 'r': case 'd': case 'l': case 'p':
1341 case 't': case 'g': case 'o': case 'D':
1342 refused_archive_part = op->val;
1345 refused_compress = op->val;
1348 if (strcmp("delete", op->longName) == 0)
1349 refused_delete = op->val;
1350 else if (strcmp("delete-before", op->longName) == 0)
1351 refused_delete_before = op->val;
1352 else if (strcmp("delete-during", op->longName) == 0)
1353 refused_delete_during = op->val;
1354 else if (strcmp("partial", op->longName) == 0)
1355 refused_partial = op->val;
1356 else if (strcmp("progress", op->longName) == 0)
1357 refused_progress = op->val;
1358 else if (strcmp("inplace", op->longName) == 0)
1359 refused_inplace = op->val;
1360 else if (strcmp("no-iconv", op->longName) == 0)
1361 refused_no_iconv = op->val;
1368 static int count_args(const char **argv)
1373 while (argv[i] != NULL)
1381 static OFF_T parse_size_arg(char **size_arg, char def_suf)
1383 int reps, mult, make_compatible = 0;
1387 for (arg = *size_arg; isDigit(arg); arg++) {}
1389 for (arg++; isDigit(arg); arg++) {}
1390 switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) {
1406 if (*arg == 'b' || *arg == 'B')
1407 mult = 1000, make_compatible = 1, arg++;
1408 else if (!*arg || *arg == '+' || *arg == '-')
1410 else if (strncasecmp(arg, "ib", 2) == 0)
1411 mult = 1024, arg += 2;
1416 size *= atof(*size_arg);
1417 if ((*arg == '+' || *arg == '-') && arg[1] == '1')
1418 size += atoi(arg), make_compatible = 1, arg += 2;
1421 if (size > 0 && make_compatible && def_suf == 'b') {
1422 /* We convert this manually because we may need %lld precision,
1423 * and that's not a portable sprintf() escape. */
1424 char buf[128], *s = buf + sizeof buf - 1;
1428 *--s = (char)(num % 10) + '0';
1431 if (!(*size_arg = strdup(s)))
1432 out_of_memory("parse_size_arg");
1438 static void create_refuse_error(int which)
1440 /* The "which" value is the index + OPT_REFUSED_BASE. */
1441 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
1442 int n = snprintf(err_buf, sizeof err_buf,
1443 "The server is configured to refuse --%s\n",
1445 if (op->shortName) {
1446 snprintf(err_buf + n, sizeof err_buf - n,
1447 " (-%c)\n", op->shortName);
1451 /* This is used to make sure that --daemon & --server cannot be aliased to
1452 * something else. These options have always disabled popt aliases for the
1453 * parsing of a daemon or server command-line, but we have to make sure that
1454 * these options cannot vanish so that the alias disabling can take effect. */
1455 static void popt_unalias(poptContext con, const char *opt)
1457 struct poptAlias unalias;
1459 unalias.longName = opt + 2; /* point past the leading "--" */
1460 unalias.shortName = '\0';
1462 unalias.argv = new_array(const char*, 1);
1463 unalias.argv[0] = strdup(opt);
1465 poptAddAlias(con, unalias, 0);
1469 * Process command line arguments. Called on both local and remote.
1471 * @retval 1 if all options are OK; with globals set to appropriate
1474 * @retval 0 on error, with err_buf containing an explanation
1476 int parse_arguments(int *argc_p, const char ***argv_p)
1478 static poptContext pc;
1479 const char *arg, **argv = *argv_p;
1482 int orig_protect_args = protect_args;
1485 strlcpy(err_buf, "argc is zero!\n", sizeof err_buf);
1489 set_refuse_options();
1492 if (!am_daemon && protect_args <= 0 && (arg = getenv("RSYNC_ICONV")) != NULL && *arg)
1493 iconv_opt = strdup(arg);
1496 /* TODO: Call poptReadDefaultConfig; handle errors. */
1498 /* The context leaks in case of an error, but if there's a
1499 * problem we always exit anyhow. */
1501 poptFreeContext(pc);
1502 pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
1504 poptReadDefaultConfig(pc, 0);
1505 popt_unalias(pc, "--daemon");
1506 popt_unalias(pc, "--server");
1509 while ((opt = poptGetNextOpt(pc)) != -1) {
1510 /* most options are handled automatically by popt;
1511 * only special cases are returned and listed here. */
1515 print_rsync_version(FINFO);
1520 /* Disable popt aliases on the server side and
1521 * then start parsing the options again. */
1522 poptFreeContext(pc);
1523 pc = poptGetContext(RSYNC_NAME, argc, argv,
1535 exit_cleanup(RERR_SYNTAX);
1543 "Attempt to hack rsync thwarted!\n",
1551 poptFreeContext(pc);
1552 pc = poptGetContext(RSYNC_NAME, argc, argv,
1553 long_daemon_options, 0);
1554 while ((opt = poptGetNextOpt(pc)) != -1) {
1558 daemon_usage(FINFO);
1562 arg = poptGetOptArg(pc);
1563 if (!strchr(arg, '=')) {
1565 "--dparam value is missing an '=': %s\n",
1569 cpp = EXPAND_ITEM_LIST(&dparam_list, char *, 4);
1579 "rsync: %s: %s (in daemon mode)\n",
1580 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1586 if (dparam_list.count && !set_dparams(1))
1587 exit_cleanup(RERR_SYNTAX);
1589 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
1590 snprintf(err_buf, sizeof err_buf,
1591 "the --temp-dir path is WAY too long.\n");
1596 rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
1599 "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
1600 exit_cleanup(RERR_SYNTAX);
1603 *argv_p = argv = poptGetArgs(pc);
1604 *argc_p = argc = count_args(argv);
1610 case OPT_MODIFY_WINDOW:
1611 /* The value has already been set by popt, but
1612 * we need to remember that we're using a
1613 * non-default setting. */
1614 modify_window_set = 1;
1618 parse_filter_str(&filter_list, poptGetOptArg(pc),
1619 rule_template(0), 0);
1623 parse_filter_str(&filter_list, poptGetOptArg(pc),
1624 rule_template(0), XFLG_OLD_PREFIXES);
1628 parse_filter_str(&filter_list, poptGetOptArg(pc),
1629 rule_template(FILTRULE_INCLUDE), XFLG_OLD_PREFIXES);
1632 case OPT_EXCLUDE_FROM:
1633 case OPT_INCLUDE_FROM:
1634 arg = poptGetOptArg(pc);
1636 arg = sanitize_path(NULL, arg, NULL, 0, SP_DEFAULT);
1637 if (daemon_filter_list.head) {
1639 char *cp = strdup(arg);
1641 out_of_memory("parse_arguments");
1645 char *dir = cp + (*cp == '/' ? module_dirlen : 0);
1646 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1647 rej = check_filter(&daemon_filter_list, FLOG, dir, 0) < 0;
1651 goto options_rejected;
1653 parse_filter_file(&filter_list, arg,
1654 rule_template(opt == OPT_INCLUDE_FROM ? FILTRULE_INCLUDE : 0),
1655 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
1659 if (refused_archive_part) {
1660 create_refuse_error(refused_archive_part);
1663 if (!recurse) /* preserve recurse == 2 */
1665 #ifdef SUPPORT_LINKS
1672 preserve_devices = 1;
1673 preserve_specials = 1;
1677 preserve_devices = preserve_specials = 1;
1681 preserve_devices = preserve_specials = 0;
1689 preserve_hard_links++;
1697 if (++preserve_atimes > 1)
1718 switch (++F_option_cnt) {
1720 parse_filter_str(&filter_list,": /.rsync-filter",rule_template(0),0);
1723 parse_filter_str(&filter_list,"- .rsync-filter",rule_template(0),0);
1729 if (refused_partial || refused_progress) {
1730 create_refuse_error(refused_partial
1731 ? refused_partial : refused_progress);
1742 case OPT_OLD_COMPRESS:
1743 compress_choice = "zlib";
1746 case OPT_NEW_COMPRESS:
1747 compress_choice = "zlibx";
1750 case OPT_NO_COMPRESS:
1752 compress_choice = NULL;
1756 arg = poptGetOptArg(pc);
1758 snprintf(err_buf, sizeof err_buf,
1759 "Remote option must start with a dash: %s\n", arg);
1762 if (remote_option_cnt+2 >= remote_option_alloc) {
1763 remote_option_alloc += 16;
1764 remote_options = realloc_array(remote_options,
1765 const char *, remote_option_alloc);
1766 if (!remote_options)
1767 out_of_memory("parse_arguments");
1768 if (!remote_option_cnt)
1769 remote_options[0] = "ARG0";
1771 remote_options[++remote_option_cnt] = arg;
1772 remote_options[remote_option_cnt+1] = NULL;
1775 case OPT_WRITE_BATCH:
1776 /* batch_name is already set */
1780 case OPT_ONLY_WRITE_BATCH:
1781 /* batch_name is already set */
1785 case OPT_READ_BATCH:
1786 /* batch_name is already set */
1797 if ((max_size = parse_size_arg(&max_size_arg, 'b')) < 0) {
1798 snprintf(err_buf, sizeof err_buf,
1799 "--max-size value is invalid: %s\n",
1806 if ((min_size = parse_size_arg(&min_size_arg, 'b')) < 0) {
1807 snprintf(err_buf, sizeof err_buf,
1808 "--min-size value is invalid: %s\n",
1816 OFF_T limit = parse_size_arg(&bwlimit_arg, 'K');
1818 snprintf(err_buf, sizeof err_buf,
1819 "--bwlimit value is invalid: %s\n", bwlimit_arg);
1822 bwlimit = (limit + 512) / 1024;
1823 if (limit && !bwlimit) {
1824 snprintf(err_buf, sizeof err_buf,
1825 "--bwlimit value is too small: %s\n", bwlimit_arg);
1839 #ifdef SUPPORT_HARD_LINKS
1841 dest_option = "--link-dest";
1844 snprintf(err_buf, sizeof err_buf,
1845 "hard links are not supported on this %s\n",
1846 am_server ? "server" : "client");
1852 dest_option = "--copy-dest";
1855 case OPT_COMPARE_DEST:
1857 dest_option = "--compare-dest";
1859 if (basis_dir_cnt >= MAX_BASIS_DIRS) {
1860 snprintf(err_buf, sizeof err_buf,
1861 "ERROR: at most %d %s args may be specified\n",
1862 MAX_BASIS_DIRS, dest_option);
1865 /* We defer sanitizing this arg until we know what
1866 * our destination directory is going to be. */
1867 basis_dir[basis_dir_cnt++] = (char *)poptGetOptArg(pc);
1871 arg = poptGetOptArg(pc);
1872 if (!parse_chmod(arg, &chmod_modes)) {
1873 snprintf(err_buf, sizeof err_buf,
1874 "Invalid argument passed to --chmod (%s)\n",
1881 arg = poptGetOptArg(pc);
1882 parse_output_words(info_words, info_levels, arg, USER_PRIORITY);
1886 arg = poptGetOptArg(pc);
1887 parse_output_words(debug_words, debug_levels, arg, USER_PRIORITY);
1892 if (usermap_via_chown) {
1893 snprintf(err_buf, sizeof err_buf,
1894 "--usermap conflicts with prior --chown.\n");
1897 snprintf(err_buf, sizeof err_buf,
1898 "You can only specify --usermap once.\n");
1901 usermap = (char *)poptGetOptArg(pc);
1902 usermap_via_chown = False;
1907 if (groupmap_via_chown) {
1908 snprintf(err_buf, sizeof err_buf,
1909 "--groupmap conflicts with prior --chown.\n");
1912 snprintf(err_buf, sizeof err_buf,
1913 "You can only specify --groupmap once.\n");
1916 groupmap = (char *)poptGetOptArg(pc);
1917 groupmap_via_chown = False;
1921 const char *chown = poptGetOptArg(pc);
1923 if ((arg = strchr(chown, ':')) != NULL)
1924 len = arg++ - chown;
1926 len = strlen(chown);
1929 if (!usermap_via_chown) {
1930 snprintf(err_buf, sizeof err_buf,
1931 "--chown conflicts with prior --usermap.\n");
1934 snprintf(err_buf, sizeof err_buf,
1935 "You can only specify a user-affecting --chown once.\n");
1938 if (asprintf(&usermap, "*:%.*s", len, chown) < 0)
1939 out_of_memory("parse_arguments");
1940 usermap_via_chown = True;
1944 if (!groupmap_via_chown) {
1945 snprintf(err_buf, sizeof err_buf,
1946 "--chown conflicts with prior --groupmap.\n");
1949 snprintf(err_buf, sizeof err_buf,
1950 "You can only specify a group-affecting --chown once.\n");
1953 if (asprintf(&groupmap, "*:%s", arg) < 0)
1954 out_of_memory("parse_arguments");
1955 groupmap_via_chown = True;
1970 /* FIXME: this should probably be ignored with a
1971 * warning and then countermeasures taken to
1972 * restrict group and other access in the presence
1973 * of any more restrictive ACLs, but this is safe
1975 snprintf(err_buf,sizeof(err_buf),
1976 "ACLs are not supported on this %s\n",
1977 am_server ? "server" : "client");
1982 #ifdef SUPPORT_XATTRS
1986 snprintf(err_buf,sizeof(err_buf),
1987 "extended attributes are not supported on this %s\n",
1988 am_server ? "server" : "client");
1993 /* A large opt value means that set_refuse_options()
1994 * turned this option off. */
1995 if (opt >= OPT_REFUSED_BASE) {
1996 create_refuse_error(opt);
1999 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
2000 am_server ? "on remote machine: " : "",
2001 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
2007 if (protect_args < 0) {
2010 else if ((arg = getenv("RSYNC_PROTECT_ARGS")) != NULL && *arg)
2011 protect_args = atoi(arg) ? 1 : 0;
2013 #ifdef RSYNC_USE_PROTECTED_ARGS
2021 if (checksum_choice && strcasecmp(checksum_choice, "auto") != 0 && strcasecmp(checksum_choice, "auto,auto") != 0) {
2022 /* Call this early to verify the args and figure out if we need to force
2023 * --whole-file. Note that the parse function will get called again later,
2024 * just in case an "auto" choice needs to know the protocol_version. */
2025 parse_checksum_choice(0);
2027 checksum_choice = NULL;
2029 if (human_readable > 1 && argc == 2 && !am_server) {
2030 /* Allow the old meaning of 'h' (--help) on its own. */
2035 if (!compress_choice && do_compression > 1)
2036 compress_choice = "zlibx";
2037 if (compress_choice && strcasecmp(compress_choice, "auto") != 0)
2038 parse_compress_choice(0); /* Twiddles do_compression and can possibly NULL-out compress_choice. */
2040 compress_choice = NULL;
2042 if (do_compression || do_compression_level != CLVL_NOT_SPECIFIED) {
2043 if (!do_compression)
2044 do_compression = CPRES_AUTO;
2045 if (do_compression && refused_compress) {
2046 create_refuse_error(refused_compress);
2052 if (outbuf_mode && !am_server) {
2053 int mode = *(uchar *)outbuf_mode;
2055 mode = toupper(mode);
2056 fflush(stdout); /* Just in case... */
2058 case 'N': /* None */
2059 case 'U': /* Unbuffered */
2062 case 'L': /* Line */
2065 case 'B': /* Block */
2066 case 'F': /* Full */
2070 snprintf(err_buf, sizeof err_buf,
2071 "Invalid --outbuf setting -- specify N, L, or B.\n");
2074 setvbuf(stdout, (char *)NULL, mode, 0);
2078 /* Make stderr line buffered for better sharing of the stream. */
2079 fflush(stderr); /* Just in case... */
2080 setvbuf(stderr, (char *)NULL, _IOLBF, 0);
2084 set_output_verbosity(verbose, DEFAULT_PRIORITY);
2087 parse_output_words(info_words, info_levels,
2088 verbose > 1 ? "stats3" : "stats2", DEFAULT_PRIORITY);
2092 if (iconv_opt && protect_args != 2) {
2093 if (!am_server && strcmp(iconv_opt, "-") == 0)
2096 need_unsorted_flist = 1;
2098 if (refused_no_iconv && !iconv_opt) {
2099 create_refuse_error(refused_no_iconv);
2104 if (fuzzy_basis > 1)
2105 fuzzy_basis = basis_dir_cnt + 1;
2107 /* Don't let the client reset protect_args if it was already processed */
2108 if (orig_protect_args == 2 && am_server)
2109 protect_args = orig_protect_args;
2111 if (protect_args == 1 && am_server)
2114 *argv_p = argv = poptGetArgs(pc);
2115 *argc_p = argc = count_args(argv);
2117 #ifndef SUPPORT_LINKS
2118 if (preserve_links && !am_sender) {
2119 snprintf(err_buf, sizeof err_buf,
2120 "symlinks are not supported on this %s\n",
2121 am_server ? "server" : "client");
2126 #ifndef SUPPORT_HARD_LINKS
2127 if (preserve_hard_links) {
2128 snprintf(err_buf, sizeof err_buf,
2129 "hard links are not supported on this %s\n",
2130 am_server ? "server" : "client");
2135 #ifdef SUPPORT_XATTRS
2136 if (am_root < 0 && preserve_xattrs > 1) {
2137 snprintf(err_buf, sizeof err_buf,
2138 "--fake-super conflicts with -XX\n");
2143 snprintf(err_buf, sizeof err_buf,
2144 "--fake-super requires an rsync with extended attributes enabled\n");
2150 /* We may not know the real protocol_version at this point if this is the client
2151 * option parsing, but we still want to check it so that the client can specify
2152 * a --protocol=29 option with a larger block size. */
2153 int32 max_blength = protocol_version < 30 ? OLD_MAX_BLOCK_SIZE : MAX_BLOCK_SIZE;
2155 if (block_size > max_blength) {
2156 snprintf(err_buf, sizeof err_buf,
2157 "--block-size=%lu is too large (max: %u)\n", block_size, max_blength);
2162 if (write_batch && read_batch) {
2163 snprintf(err_buf, sizeof err_buf,
2164 "--write-batch and --read-batch can not be used together\n");
2167 if (write_batch > 0 || read_batch) {
2170 "ignoring --%s-batch option sent to server\n",
2171 write_batch ? "write" : "read");
2172 /* We don't actually exit_cleanup(), so that we can
2173 * still service older version clients that still send
2174 * batch args to server. */
2175 read_batch = write_batch = 0;
2179 } else if (write_batch < 0 && dry_run)
2181 if (read_batch && files_from) {
2182 snprintf(err_buf, sizeof err_buf,
2183 "--read-batch cannot be used with --files-from\n");
2186 if (read_batch && remove_source_files) {
2187 snprintf(err_buf, sizeof err_buf,
2188 "--read-batch cannot be used with --remove-%s-files\n",
2189 remove_source_files == 1 ? "source" : "sent");
2192 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
2193 snprintf(err_buf, sizeof err_buf,
2194 "the batch-file name must be %d characters or less.\n",
2195 MAX_BATCH_NAME_LEN);
2199 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
2200 snprintf(err_buf, sizeof err_buf,
2201 "the --temp-dir path is WAY too long.\n");
2205 if (max_delete < 0 && max_delete != INT_MIN) {
2206 /* Negative numbers are treated as "no deletions". */
2210 if (compare_dest + copy_dest + link_dest > 1) {
2211 snprintf(err_buf, sizeof err_buf,
2212 "You may not mix --compare-dest, --copy-dest, and --link-dest.\n");
2217 if (recurse == 1) /* preserve recurse == 2 */
2223 if (argc < 2 && !read_batch && !am_server)
2226 if (xfer_dirs >= 4) {
2227 parse_filter_str(&filter_list, "- /*/*", rule_template(0), 0);
2228 recurse = xfer_dirs = 1;
2231 else if (xfer_dirs < 0)
2232 xfer_dirs = list_only ? 1 : 0;
2234 if (relative_paths < 0)
2235 relative_paths = files_from? 1 : 0;
2236 if (!relative_paths)
2239 if (delete_before + !!delete_during + delete_after > 1) {
2240 snprintf(err_buf, sizeof err_buf,
2241 "You may not combine multiple --delete-WHEN options.\n");
2244 if (delete_before || delete_during || delete_after)
2246 else if (delete_mode || delete_excluded) {
2247 /* Only choose now between before & during if one is refused. */
2248 if (refused_delete_before) {
2249 if (!refused_delete_during)
2252 create_refuse_error(refused_delete_before);
2255 } else if (refused_delete_during)
2259 if (!xfer_dirs && delete_mode) {
2260 snprintf(err_buf, sizeof err_buf,
2261 "--delete does not work without --recursive (-r) or --dirs (-d).\n");
2265 if (missing_args == 3) /* simplify if both options were specified */
2267 if (refused_delete && (delete_mode || missing_args == 2)) {
2268 create_refuse_error(refused_delete);
2272 if (remove_source_files) {
2273 /* We only want to infer this refusal of --remove-source-files
2274 * via the refusal of "delete", not any of the "delete-FOO"
2276 if (refused_delete && am_sender) {
2277 create_refuse_error(refused_delete);
2280 need_messages_from_generator = 1;
2283 if (munge_symlinks && !am_daemon) {
2285 char prefix[SYMLINK_PREFIX_LEN]; /* NOT +1 ! */
2286 strlcpy(prefix, SYMLINK_PREFIX, sizeof prefix); /* trim the trailing slash */
2287 if (do_stat(prefix, &st) == 0 && S_ISDIR(st.st_mode)) {
2288 rprintf(FERROR, "Symlink munging is unsafe when a %s directory exists.\n",
2290 exit_cleanup(RERR_UNSUPPORTED);
2294 if (sanitize_paths) {
2296 for (i = argc; i-- > 0; )
2297 argv[i] = sanitize_path(NULL, argv[i], "", 0, SP_KEEP_DOT_DIRS);
2299 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0, SP_DEFAULT);
2301 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0, SP_DEFAULT);
2303 if (daemon_filter_list.head && !am_sender) {
2304 filter_rule_list *elp = &daemon_filter_list;
2308 goto options_rejected;
2309 dir = tmpdir + (*tmpdir == '/' ? module_dirlen : 0);
2310 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2311 if (check_filter(elp, FLOG, dir, 1) < 0)
2312 goto options_rejected;
2317 goto options_rejected;
2318 dir = backup_dir + (*backup_dir == '/' ? module_dirlen : 0);
2319 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2320 if (check_filter(elp, FLOG, dir, 1) < 0)
2321 goto options_rejected;
2326 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
2327 backup_suffix_len = strlen(backup_suffix);
2328 if (strchr(backup_suffix, '/') != NULL) {
2329 snprintf(err_buf, sizeof err_buf,
2330 "--suffix cannot contain slashes: %s\n",
2336 while (*backup_dir == '.' && backup_dir[1] == '/')
2338 if (*backup_dir == '.' && backup_dir[1] == '\0')
2340 len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
2341 if (len > sizeof backup_dir_buf - 128) {
2342 snprintf(err_buf, sizeof err_buf,
2343 "the --backup-dir path is WAY too long.\n");
2346 backup_dir_len = (int)len;
2347 if (!backup_dir_len) {
2348 backup_dir_len = -1;
2350 } else if (backup_dir_buf[backup_dir_len - 1] != '/') {
2351 backup_dir_buf[backup_dir_len++] = '/';
2352 backup_dir_buf[backup_dir_len] = '\0';
2354 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
2357 /* No need for a suffix or a protect rule. */
2358 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
2359 snprintf(err_buf, sizeof err_buf,
2360 "--suffix cannot be empty %s\n", backup_dir_len < 0
2361 ? "when --backup-dir is the same as the dest dir"
2362 : "without a --backup-dir");
2364 } else if (make_backups && delete_mode && !delete_excluded && !am_server) {
2365 snprintf(backup_dir_buf, sizeof backup_dir_buf,
2366 "P *%s", backup_suffix);
2367 parse_filter_str(&filter_list, backup_dir_buf, rule_template(0), 0);
2370 if (preserve_times) {
2371 preserve_times = PRESERVE_FILE_TIMES;
2372 if (!omit_dir_times)
2373 preserve_times |= PRESERVE_DIR_TIMES;
2374 #ifdef CAN_SET_SYMLINK_TIMES
2375 if (!omit_link_times)
2376 preserve_times |= PRESERVE_LINK_TIMES;
2380 if (make_backups && !backup_dir) {
2381 omit_dir_times = 0; /* Implied, so avoid -O to sender. */
2382 preserve_times &= ~PRESERVE_DIR_TIMES;
2385 if (stdout_format) {
2386 if (am_server && log_format_has(stdout_format, 'I'))
2387 stdout_format_has_i = 2;
2388 else if (log_format_has(stdout_format, 'i'))
2389 stdout_format_has_i = itemize_changes | 1;
2390 if (!log_format_has(stdout_format, 'b')
2391 && !log_format_has(stdout_format, 'c')
2392 && !log_format_has(stdout_format, 'C'))
2393 log_before_transfer = !am_server;
2394 } else if (itemize_changes) {
2395 stdout_format = "%i %n%L";
2396 stdout_format_has_i = itemize_changes;
2397 log_before_transfer = !am_server;
2400 if (do_progress && !am_server) {
2401 if (!log_before_transfer && INFO_EQ(NAME, 0))
2402 parse_output_words(info_words, info_levels, "name", DEFAULT_PRIORITY);
2403 parse_output_words(info_words, info_levels, "flist2,progress", DEFAULT_PRIORITY);
2409 set_io_timeout(io_timeout);
2411 if (INFO_GTE(NAME, 1) && !stdout_format) {
2412 stdout_format = "%n%L";
2413 log_before_transfer = !am_server;
2415 if (stdout_format_has_i || log_format_has(stdout_format, 'o'))
2416 stdout_format_has_o_or_i = 1;
2418 if (logfile_name && !am_daemon) {
2419 if (!logfile_format) {
2420 logfile_format = "%i %n%L";
2421 logfile_format_has_i = logfile_format_has_o_or_i = 1;
2423 if (log_format_has(logfile_format, 'i'))
2424 logfile_format_has_i = 1;
2425 if (logfile_format_has_i || log_format_has(logfile_format, 'o'))
2426 logfile_format_has_o_or_i = 1;
2429 } else if (!am_daemon)
2430 logfile_format = NULL;
2432 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
2433 bwlimit = daemon_bwlimit;
2435 bwlimit_writemax = (size_t)bwlimit * 128;
2436 if (bwlimit_writemax < 512)
2437 bwlimit_writemax = 512;
2441 if (whole_file > 0) {
2442 snprintf(err_buf, sizeof err_buf,
2443 "--append cannot be used with --whole-file\n");
2446 if (refused_inplace) {
2447 create_refuse_error(refused_inplace);
2453 if (write_devices) {
2454 if (refused_inplace) {
2455 create_refuse_error(refused_inplace);
2461 if (delay_updates && !partial_dir)
2462 partial_dir = tmp_partialdir;
2465 #ifdef HAVE_FTRUNCATE
2467 snprintf(err_buf, sizeof err_buf,
2468 "--%s cannot be used with --%s\n",
2469 append_mode ? "append" : "inplace",
2470 delay_updates ? "delay-updates" : "partial-dir");
2473 /* --inplace implies --partial for refusal purposes, but we
2474 * clear the keep_partial flag for internal logic purposes. */
2475 if (refused_partial) {
2476 create_refuse_error(refused_partial);
2481 snprintf(err_buf, sizeof err_buf,
2482 "--%s is not supported on this %s\n",
2483 append_mode ? "append" : "inplace",
2484 am_server ? "server" : "client");
2488 if (keep_partial && !partial_dir && !am_server) {
2489 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
2490 partial_dir = strdup(arg);
2494 clean_fname(partial_dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2495 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
2497 if (!partial_dir && refused_partial) {
2498 create_refuse_error(refused_partial);
2508 if (argc > 2 || (!am_daemon && !am_server && argc == 1)) {
2510 exit_cleanup(RERR_SYNTAX);
2512 if (strcmp(files_from, "-") == 0) {
2515 filesfrom_host = ""; /* reading from socket */
2516 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
2518 snprintf(err_buf, sizeof err_buf,
2519 "The --files-from sent to the server cannot specify a host.\n");
2524 if (strcmp(files_from, "-") == 0) {
2525 snprintf(err_buf, sizeof err_buf,
2526 "Invalid --files-from remote filename\n");
2531 files_from = sanitize_path(NULL, files_from, NULL, 0, SP_DEFAULT);
2532 if (daemon_filter_list.head) {
2535 goto options_rejected;
2536 dir = files_from + (*files_from == '/' ? module_dirlen : 0);
2537 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2538 if (check_filter(&daemon_filter_list, FLOG, dir, 0) < 0)
2539 goto options_rejected;
2541 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
2542 if (filesfrom_fd < 0) {
2543 snprintf(err_buf, sizeof err_buf,
2544 "failed to open files-from file %s: %s\n",
2545 files_from, strerror(errno));
2556 snprintf(err_buf, sizeof err_buf,
2557 "Your options have been rejected by the server.\n");
2563 * Construct a filtered list of options to pass through from the
2564 * client to the server.
2566 * This involves setting options that will tell the server how to
2567 * behave, and also filtering out options that are processed only
2570 void server_options(char **args, int *argc_p)
2572 static char argstr[64];
2578 /* This should always remain first on the server's command-line. */
2579 args[ac++] = "--server";
2581 if (daemon_over_rsh > 0) {
2582 args[ac++] = "--daemon";
2584 /* if we're passing --daemon, we're done */
2589 args[ac++] = "--sender";
2597 for (i = 0; i < verbose; i++)
2600 /* the -q option is intentionally left out */
2605 if (!do_xfers) /* Note: NOT "dry_run"! */
2609 if ((xfer_dirs >= 2 && xfer_dirs < 4)
2610 || (xfer_dirs && !recurse && (list_only || (delete_mode && am_sender))))
2615 if (prune_empty_dirs)
2619 if (omit_link_times)
2623 if (fuzzy_basis > 1)
2635 /* We don't need to send --no-whole-file, because it's the
2636 * default for remote transfers, and in any case old versions
2637 * of rsync will not understand it. */
2639 if (preserve_hard_links) {
2641 if (preserve_hard_links > 1)
2648 if (preserve_devices) /* ignore preserve_specials here */
2652 if (preserve_atimes) {
2654 if (preserve_atimes > 1)
2659 else if (preserve_executability && am_sender)
2665 #ifdef SUPPORT_XATTRS
2666 if (preserve_xattrs) {
2668 if (preserve_xattrs > 1)
2674 if (always_checksum)
2682 if (one_file_system) {
2684 if (one_file_system > 1)
2689 if (do_compression == CPRES_ZLIB)
2692 set_allow_inc_recurse();
2694 /* We don't really know the actual protocol_version at this point,
2695 * but checking the pre-negotiated value allows the user to use a
2696 * --protocol=29 override to avoid the use of this -eFLAGS opt. */
2697 if (protocol_version >= 30) {
2698 /* Use "eFlags" alias so that cull_options doesn't think that these are no-arg option letters. */
2699 #define eFlags argstr
2700 /* We make use of the -e option to let the server know about
2701 * any pre-release protocol version && some behavior flags. */
2703 #if SUBPROTOCOL_VERSION != 0
2704 if (protocol_version == PROTOCOL_VERSION) {
2705 x += snprintf(argstr+x, sizeof argstr - x,
2707 PROTOCOL_VERSION, SUBPROTOCOL_VERSION);
2711 if (allow_inc_recurse)
2713 #ifdef CAN_SET_SYMLINK_TIMES
2714 eFlags[x++] = 'L'; /* symlink time-setting support */
2717 eFlags[x++] = 's'; /* symlink iconv translation support */
2719 eFlags[x++] = 'f'; /* flist I/O-error safety support */
2720 eFlags[x++] = 'x'; /* xattr hardlink optimization not desired */
2721 eFlags[x++] = 'C'; /* support checksum seed order fix */
2722 eFlags[x++] = 'I'; /* support inplace_partial behavior */
2723 eFlags[x++] = 'v'; /* use varint for flist & compat flags; negotiate checksum */
2724 /* NOTE: Avoid using 'V' -- it was the high bit of a write_byte() that became write_varint(). */
2728 if (x >= (int)sizeof argstr) { /* Not possible... */
2729 rprintf(FERROR, "argstr overflow in server_options().\n");
2730 exit_cleanup(RERR_MALLOC);
2736 args[ac++] = argstr;
2740 char *set = strchr(iconv_opt, ',');
2745 if (asprintf(&arg, "--iconv=%s", set) < 0)
2751 if (protect_args && !local_server) /* unprotected args stop here */
2755 args[ac++] = "--list-only";
2757 /* This makes sure that the remote rsync can handle deleting with -d
2758 * sans -r because the --no-r option was added at the same time. */
2759 if (xfer_dirs && !recurse && delete_mode && am_sender)
2760 args[ac++] = "--no-r";
2762 if (do_compression && do_compression_level != CLVL_NOT_SPECIFIED) {
2763 if (asprintf(&arg, "--compress-level=%d", do_compression_level) < 0)
2768 if (preserve_devices) {
2769 /* Note: sending "--devices" would not be backward-compatible. */
2770 if (!preserve_specials)
2771 args[ac++] = "--no-specials"; /* -D is already set. */
2772 } else if (preserve_specials)
2773 args[ac++] = "--specials";
2775 /* The server side doesn't use our log-format, but in certain
2776 * circumstances they need to know a little about the option. */
2777 if (stdout_format && am_sender) {
2778 /* Use --log-format, not --out-format, for compatibility. */
2779 if (stdout_format_has_i > 1)
2780 args[ac++] = "--log-format=%i%I";
2781 else if (stdout_format_has_i)
2782 args[ac++] = "--log-format=%i";
2783 else if (stdout_format_has_o_or_i)
2784 args[ac++] = "--log-format=%o";
2786 args[ac++] = "--log-format=X";
2790 if (asprintf(&arg, "-B%lu", block_size) < 0)
2796 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
2802 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
2808 args[ac++] = "--backup-dir";
2809 args[ac++] = backup_dir;
2812 /* Only send --suffix if it specifies a non-default value. */
2813 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
2814 /* We use the following syntax to avoid weirdness with '~'. */
2815 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
2820 if (checksum_choice) {
2821 if (asprintf(&arg, "--checksum-choice=%s", checksum_choice) < 0)
2826 if (do_compression == CPRES_ZLIBX)
2827 args[ac++] = "--new-compress";
2828 else if (compress_choice && do_compression == CPRES_ZLIB)
2829 args[ac++] = "--old-compress";
2830 else if (compress_choice) {
2831 if (asprintf(&arg, "--compress-choice=%s", compress_choice) < 0)
2837 if (max_delete > 0) {
2838 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
2841 } else if (max_delete == 0)
2842 args[ac++] = "--max-delete=-1";
2843 if (min_size >= 0) {
2844 args[ac++] = "--min-size";
2845 args[ac++] = min_size_arg;
2847 if (max_size >= 0) {
2848 args[ac++] = "--max-size";
2849 args[ac++] = max_size_arg;
2852 args[ac++] = "--delete-before";
2853 else if (delete_during == 2)
2854 args[ac++] = "--delete-delay";
2855 else if (delete_during)
2856 args[ac++] = "--delete-during";
2857 else if (delete_after)
2858 args[ac++] = "--delete-after";
2859 else if (delete_mode && !delete_excluded)
2860 args[ac++] = "--delete";
2861 if (delete_excluded)
2862 args[ac++] = "--delete-excluded";
2864 args[ac++] = "--force";
2865 if (write_batch < 0)
2866 args[ac++] = "--only-write-batch=X";
2868 args[ac++] = "--super";
2870 args[ac++] = "--size-only";
2872 args[ac++] = "--stats";
2874 if (skip_compress) {
2875 if (asprintf(&arg, "--skip-compress=%s", skip_compress) < 0)
2881 /* --delete-missing-args needs the cooperation of both sides, but
2882 * the sender can handle --ignore-missing-args by itself. */
2883 if (missing_args == 2)
2884 args[ac++] = "--delete-missing-args";
2885 else if (missing_args == 1 && !am_sender)
2886 args[ac++] = "--ignore-missing-args";
2888 if (modify_window_set && am_sender) {
2889 char *fmt = modify_window < 0 ? "-@%d" : "--modify-window=%d";
2890 if (asprintf(&arg, fmt, modify_window) < 0)
2895 if (checksum_seed) {
2896 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
2901 if (partial_dir && am_sender) {
2902 if (partial_dir != tmp_partialdir) {
2903 args[ac++] = "--partial-dir";
2904 args[ac++] = partial_dir;
2907 args[ac++] = "--delay-updates";
2908 } else if (keep_partial && am_sender)
2909 args[ac++] = "--partial";
2912 args[ac++] = "--ignore-errors";
2914 if (copy_unsafe_links)
2915 args[ac++] = "--copy-unsafe-links";
2918 args[ac++] = "--safe-links";
2921 args[ac++] = "--numeric-ids";
2924 args[ac++] = "--use-qsort";
2928 if (asprintf(&arg, "--usermap=%s", usermap) < 0)
2934 if (asprintf(&arg, "--groupmap=%s", groupmap) < 0)
2939 if (ignore_existing)
2940 args[ac++] = "--ignore-existing";
2942 /* Backward compatibility: send --existing, not --ignore-non-existing. */
2943 if (ignore_non_existing)
2944 args[ac++] = "--existing";
2947 args[ac++] = "--temp-dir";
2948 args[ac++] = tmpdir;
2952 /* the server only needs this option if it is not the sender,
2953 * and it may be an older version that doesn't know this
2954 * option, so don't send it if client is the sender.
2956 for (i = 0; i < basis_dir_cnt; i++) {
2957 args[ac++] = dest_option;
2958 args[ac++] = basis_dir[i];
2963 /* What flags do we need to send to the other side? */
2964 where = (am_server ? W_CLI : W_SRV) | (am_sender ? W_REC : W_SND);
2965 arg = make_output_option(info_words, info_levels, where);
2970 if (append_mode > 1)
2971 args[ac++] = "--append";
2972 args[ac++] = "--append";
2974 args[ac++] = "--inplace";
2976 if (files_from && (!am_sender || filesfrom_host)) {
2977 if (filesfrom_host) {
2978 args[ac++] = "--files-from";
2979 args[ac++] = files_from;
2981 args[ac++] = "--from0";
2983 args[ac++] = "--files-from=-";
2984 args[ac++] = "--from0";
2986 if (!relative_paths)
2987 args[ac++] = "--no-relative";
2989 /* It's OK that this checks the upper-bound of the protocol_version. */
2990 if (relative_paths && !implied_dirs && (!am_sender || protocol_version >= 30))
2991 args[ac++] = "--no-implied-dirs";
2993 if (write_devices && am_sender)
2994 args[ac++] = "--write-devices";
2996 if (remove_source_files == 1)
2997 args[ac++] = "--remove-source-files";
2998 else if (remove_source_files)
2999 args[ac++] = "--remove-sent-files";
3001 if (preallocate_files && am_sender)
3002 args[ac++] = "--preallocate";
3004 if (open_noatime && preserve_atimes <= 1)
3005 args[ac++] = "--open-noatime";
3007 if (ac > MAX_SERVER_ARGS) { /* Not possible... */
3008 rprintf(FERROR, "argc overflow in server_options().\n");
3009 exit_cleanup(RERR_MALLOC);
3012 if (remote_option_cnt) {
3014 if (ac + remote_option_cnt > MAX_SERVER_ARGS) {
3015 rprintf(FERROR, "too many remote options specified.\n");
3016 exit_cleanup(RERR_SYNTAX);
3018 for (j = 1; j <= remote_option_cnt; j++)
3019 args[ac++] = (char*)remote_options[j];
3026 out_of_memory("server_options");
3029 /* If str points to a valid hostspec, return allocated memory containing the
3030 * [USER@]HOST part of the string, and set the path_start_ptr to the part of
3031 * the string after the host part. Otherwise, return NULL. If port_ptr is
3032 * non-NULL, we must be parsing an rsync:// URL hostname, and we will set
3033 * *port_ptr if a port number is found. Note that IPv6 IPs will have their
3034 * (required for parsing) [ and ] chars elided from the returned string. */
3035 static char *parse_hostspec(char *str, char **path_start_ptr, int *port_ptr)
3037 char *s, *host_start = str;
3038 int hostlen = 0, userlen = 0;
3041 for (s = str; ; s++) {
3043 /* It is only OK if we run out of string with rsync:// */
3047 hostlen = s - host_start;
3050 if (*s == ':' || *s == '/') {
3052 hostlen = s - host_start;
3056 } else if (port_ptr) {
3057 *port_ptr = atoi(s);
3058 while (isDigit(s)) s++;
3059 if (*s && *s++ != '/')
3065 userlen = s - str + 1;
3067 } else if (*s == '[') {
3068 if (s != host_start++)
3070 while (*s && *s != ']' && *s != '/') s++; /*SHARED ITERATOR*/
3071 hostlen = s - host_start;
3072 if (*s != ']' || (s[1] && s[1] != '/' && s[1] != ':') || !hostlen)
3077 *path_start_ptr = s;
3078 ret = new_array(char, userlen + hostlen + 1);
3080 strlcpy(ret, str, userlen + 1);
3081 strlcpy(ret + userlen, host_start, hostlen + 1);
3085 /* Look for a HOST specification of the form "HOST:PATH", "HOST::PATH", or
3086 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
3087 * memory with the HOST. If a daemon-accessing spec was specified, the value
3088 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
3089 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
3090 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
3091 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
3092 char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
3096 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
3097 *host_ptr = parse_hostspec(s + strlen(URL_PREFIX), &path, port_ptr);
3100 *port_ptr = -1; /* -1 indicates they want the default */
3105 *host_ptr = parse_hostspec(s, &path, NULL);
3110 if (port_ptr && !*port_ptr)