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.
25 #include "latest-year.h"
29 extern int local_server;
30 extern int sanitize_paths;
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;
66 int preserve_crtimes = 0;
74 int delete_during = 0;
75 int delete_before = 0;
77 int delete_excluded = 0;
78 int remove_source_files = 0;
79 int one_file_system = 0;
80 int protocol_version = PROTOCOL_VERSION;
82 int preallocate_files = 0;
83 int do_compression = 0;
84 int do_compression_level = CLVL_NOT_SPECIFIED;
85 int am_root = 0; /* 0 = normal, 1 = root, 2 = --super, -1 = --fake-super */
88 int am_starting_up = 1;
89 int relative_paths = -1;
91 int missing_args = 0; /* 0 = FERROR_XFER, 1 = ignore, 2 = delete */
93 int msgs2stderr = 2; /* Default: send errors to stderr for local & remote-shell transfers */
94 int allow_8bit_chars = 0;
97 int prune_empty_dirs = 0;
99 char *files_from = NULL;
100 int filesfrom_fd = -1;
101 char *filesfrom_host = NULL;
103 int protect_args = -1;
104 int human_readable = 1;
106 int mkpath_dest_arg = 0;
107 int allow_inc_recurse = 1;
110 int connect_timeout = 0;
111 int keep_partial = 0;
112 int safe_symlinks = 0;
113 int copy_unsafe_links = 0;
114 int munge_symlinks = 0;
116 int daemon_bwlimit = 0;
119 size_t bwlimit_writemax = 0;
120 int ignore_existing = 0;
121 int ignore_non_existing = 0;
122 int need_messages_from_generator = 0;
123 int max_delete = INT_MIN;
126 int ignore_errors = 0;
127 int modify_window = 0;
128 int blocking_io = -1;
129 int checksum_seed = 0;
131 int delay_updates = 0;
132 int32 block_size = 0;
133 time_t stop_at_utime = 0;
134 char *skip_compress = NULL;
135 char *copy_as = NULL;
136 item_list dparam_list = EMPTY_ITEM_LIST;
138 /** Network address family. **/
141 = 0; /* Any protocol */
143 = AF_INET; /* Must use IPv4 */
147 # define AF_INET6 AF_INET /* make -6 option a no-op */
150 /** Do not go into the background when run as --daemon. Good
151 * for debugging and required for running as a service on W32,
152 * or under Unix process-monitors. **/
154 #if defined _WIN32 || defined __WIN32__
162 int backup_dir_len = 0;
163 int backup_suffix_len;
164 unsigned int backup_dir_remainder;
166 char *backup_suffix = NULL;
168 char *partial_dir = NULL;
169 char *basis_dir[MAX_BASIS_DIRS+1];
170 char *config_file = NULL;
171 char *shell_cmd = NULL;
172 char *logfile_name = NULL;
173 char *logfile_format = NULL;
174 char *stdout_format = NULL;
175 char *password_file = NULL;
176 char *early_input_file = NULL;
177 char *rsync_path = RSYNC_PATH;
178 char *backup_dir = NULL;
179 char backup_dir_buf[MAXPATHLEN];
180 char *sockopts = NULL;
181 char *usermap = NULL;
182 char *groupmap = NULL;
184 int alt_dest_type = 0;
185 int basis_dir_cnt = 0;
187 #define DEFAULT_MAX_ALLOC (1024L * 1024 * 1024)
188 size_t max_alloc = DEFAULT_MAX_ALLOC;
191 static int version_opt_cnt = 0;
192 static int remote_option_alloc = 0;
193 int remote_option_cnt = 0;
194 const char **remote_options = NULL;
195 const char *checksum_choice = NULL;
196 const char *compress_choice = NULL;
198 #ifndef __APPLE__ /* Do we need a configure check for this? */
199 #define SUPPORT_ATIMES 1
204 int log_before_transfer = 0;
205 int stdout_format_has_i = 0;
206 int stdout_format_has_o_or_i = 0;
207 int logfile_format_has_i = 0;
208 int logfile_format_has_o_or_i = 0;
209 int always_checksum = 0;
212 #define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
213 char *batch_name = NULL;
215 int need_unsorted_flist = 0;
223 struct chmod_mode_struct *chmod_modes = NULL;
225 static const char *debug_verbosity[] = {
228 /*2*/ "BIND,CMD,CONNECT,DEL,DELTASUM,DUP,FILTER,FLIST,ICONV",
229 /*3*/ "ACL,BACKUP,CONNECT2,DELTASUM2,DEL2,EXIT,FILTER2,FLIST2,FUZZY,GENR,OWN,RECV,SEND,TIME",
230 /*4*/ "CMD2,DELTASUM3,DEL3,EXIT2,FLIST3,ICONV2,OWN2,PROTO,TIME2",
231 /*5*/ "CHDIR,DELTASUM4,FLIST4,FUZZY2,HASH,HLINK",
234 #define MAX_VERBOSITY ((int)(sizeof debug_verbosity / sizeof debug_verbosity[0]) - 1)
236 static const char *info_verbosity[1+MAX_VERBOSITY] = {
238 /*1*/ "COPY,DEL,FLIST,MISC,NAME,STATS,SYMSAFE",
239 /*2*/ "BACKUP,MISC2,MOUNT,NAME2,REMOVE,SKIP",
242 #define MAX_OUT_LEVEL 4 /* The largest N allowed for any flagN word. */
244 short info_levels[COUNT_INFO], debug_levels[COUNT_DEBUG];
246 #define DEFAULT_PRIORITY 0 /* Default/implied/--verbose set values. */
247 #define HELP_PRIORITY 1 /* The help output uses this level. */
248 #define USER_PRIORITY 2 /* User-specified via --info or --debug */
249 #define LIMIT_PRIORITY 3 /* Overriding priority when limiting values. */
251 #define W_CLI (1<<0) /* client side */
252 #define W_SRV (1<<1) /* server side */
253 #define W_SND (1<<2) /* sending side */
254 #define W_REC (1<<3) /* receiving side */
256 struct output_struct {
257 char *name; /* The name of the info/debug flag. */
258 char *help; /* The description of the info/debug flag. */
259 uchar namelen; /* The length of the name string. */
260 uchar flag; /* The flag's value, for consistency check. */
261 uchar where; /* Bits indicating where the flag is used. */
262 uchar priority; /* See *_PRIORITY defines. */
265 #define INFO_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, INFO_##flag, where, 0 }
267 static struct output_struct info_words[COUNT_INFO+1] = {
268 INFO_WORD(BACKUP, W_REC, "Mention files backed up"),
269 INFO_WORD(COPY, W_REC, "Mention files copied locally on the receiving side"),
270 INFO_WORD(DEL, W_REC, "Mention deletions on the receiving side"),
271 INFO_WORD(FLIST, W_CLI, "Mention file-list receiving/sending (levels 1-2)"),
272 INFO_WORD(MISC, W_SND|W_REC, "Mention miscellaneous information (levels 1-2)"),
273 INFO_WORD(MOUNT, W_SND|W_REC, "Mention mounts that were found or skipped"),
274 INFO_WORD(NAME, W_SND|W_REC, "Mention 1) updated file/dir names, 2) unchanged names"),
275 INFO_WORD(PROGRESS, W_CLI, "Mention 1) per-file progress or 2) total transfer progress"),
276 INFO_WORD(REMOVE, W_SND, "Mention files removed on the sending side"),
277 INFO_WORD(SKIP, W_REC, "Mention files that are skipped due to options used"),
278 INFO_WORD(STATS, W_CLI|W_SRV, "Mention statistics at end of run (levels 1-3)"),
279 INFO_WORD(SYMSAFE, W_SND|W_REC, "Mention symlinks that are unsafe"),
280 { NULL, "--info", 0, 0, 0, 0 }
283 #define DEBUG_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, DEBUG_##flag, where, 0 }
285 static struct output_struct debug_words[COUNT_DEBUG+1] = {
286 DEBUG_WORD(ACL, W_SND|W_REC, "Debug extra ACL info"),
287 DEBUG_WORD(BACKUP, W_REC, "Debug backup actions (levels 1-2)"),
288 DEBUG_WORD(BIND, W_CLI, "Debug socket bind actions"),
289 DEBUG_WORD(CHDIR, W_CLI|W_SRV, "Debug when the current directory changes"),
290 DEBUG_WORD(CONNECT, W_CLI, "Debug connection events (levels 1-2)"),
291 DEBUG_WORD(CMD, W_CLI, "Debug commands+options that are issued (levels 1-2)"),
292 DEBUG_WORD(DEL, W_REC, "Debug delete actions (levels 1-3)"),
293 DEBUG_WORD(DELTASUM, W_SND|W_REC, "Debug delta-transfer checksumming (levels 1-4)"),
294 DEBUG_WORD(DUP, W_REC, "Debug weeding of duplicate names"),
295 DEBUG_WORD(EXIT, W_CLI|W_SRV, "Debug exit events (levels 1-3)"),
296 DEBUG_WORD(FILTER, W_SND|W_REC, "Debug filter actions (levels 1-2)"),
297 DEBUG_WORD(FLIST, W_SND|W_REC, "Debug file-list operations (levels 1-4)"),
298 DEBUG_WORD(FUZZY, W_REC, "Debug fuzzy scoring (levels 1-2)"),
299 DEBUG_WORD(GENR, W_REC, "Debug generator functions"),
300 DEBUG_WORD(HASH, W_SND|W_REC, "Debug hashtable code"),
301 DEBUG_WORD(HLINK, W_SND|W_REC, "Debug hard-link actions (levels 1-3)"),
302 DEBUG_WORD(ICONV, W_CLI|W_SRV, "Debug iconv character conversions (levels 1-2)"),
303 DEBUG_WORD(IO, W_CLI|W_SRV, "Debug I/O routines (levels 1-4)"),
304 DEBUG_WORD(NSTR, W_CLI|W_SRV, "Debug negotiation strings"),
305 DEBUG_WORD(OWN, W_REC, "Debug ownership changes in users & groups (levels 1-2)"),
306 DEBUG_WORD(PROTO, W_CLI|W_SRV, "Debug protocol information"),
307 DEBUG_WORD(RECV, W_REC, "Debug receiver functions"),
308 DEBUG_WORD(SEND, W_SND, "Debug sender functions"),
309 DEBUG_WORD(TIME, W_REC, "Debug setting of modified times (levels 1-2)"),
310 { NULL, "--debug", 0, 0, 0, 0 }
313 static int verbose = 0;
314 static int do_stats = 0;
315 static int do_progress = 0;
316 static int daemon_opt; /* sets am_daemon after option error-reporting */
317 static int omit_dir_times = 0;
318 static int omit_link_times = 0;
319 static int F_option_cnt = 0;
320 static int modify_window_set;
321 static int itemize_changes = 0;
322 static int refused_delete, refused_archive_part, refused_compress;
323 static int refused_partial, refused_progress, refused_delete_before;
324 static int refused_delete_during;
325 static int refused_inplace, refused_no_iconv;
326 static BOOL usermap_via_chown, groupmap_via_chown;
327 static char *outbuf_mode;
328 static char *bwlimit_arg, *max_size_arg, *min_size_arg;
329 static char tmp_partialdir[] = ".~tmp~";
331 /** Local address to bind. As a character string because it's
332 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
333 * address, or a hostname. **/
336 static void output_item_help(struct output_struct *words);
338 /* This constructs a string that represents all the options set for either
339 * the --info or --debug setting, skipping any implied options (by -v, etc.).
340 * This is used both when conveying the user's options to the server, and
341 * when the help output wants to tell the user what options are implied. */
342 static char *make_output_option(struct output_struct *words, short *levels, uchar where)
344 char *str = words == info_words ? "--info=" : "--debug=";
345 int j, counts[MAX_OUT_LEVEL+1], pos, skipped = 0, len = 0, max = 0, lev = 0;
346 int word_count = words == info_words ? COUNT_INFO : COUNT_DEBUG;
349 memset(counts, 0, sizeof counts);
351 for (j = 0; words[j].name; j++) {
352 if (words[j].flag != j) {
353 rprintf(FERROR, "rsync: internal error on %s%s: %d != %d\n",
354 words == info_words ? "INFO_" : "DEBUG_",
355 words[j].name, words[j].flag, j);
356 exit_cleanup(RERR_UNSUPPORTED);
358 if (!(words[j].where & where))
360 if (words[j].priority == DEFAULT_PRIORITY) {
361 /* Implied items don't need to be mentioned. */
365 len += len ? 1 : strlen(str);
366 len += strlen(words[j].name);
367 len += levels[j] == 1 ? 0 : 1;
369 if (words[j].priority == HELP_PRIORITY)
370 continue; /* no abbreviating for help */
372 assert(levels[j] <= MAX_OUT_LEVEL);
373 if (++counts[levels[j]] > max) {
374 /* Determine which level has the most items. */
380 /* Sanity check the COUNT_* define against the length of the table. */
381 if (j != word_count) {
382 rprintf(FERROR, "rsync: internal error: %s is wrong! (%d != %d)\n",
383 words == info_words ? "COUNT_INFO" : "COUNT_DEBUG",
385 exit_cleanup(RERR_UNSUPPORTED);
392 buf = new_array(char, len);
395 if (skipped || max < 5)
399 pos += snprintf(buf, len, "%sNONE", str);
401 pos += snprintf(buf, len, "%sALL", str);
403 pos += snprintf(buf, len, "%sALL%d", str, lev);
406 for (j = 0; words[j].name && pos < len; j++) {
407 if (words[j].priority == DEFAULT_PRIORITY || levels[j] == lev || !(words[j].where & where))
412 pos += strlcpy(buf+pos, str, len-pos);
414 pos += strlcpy(buf+pos, words[j].name, len-pos);
415 /* Level 1 is implied by the name alone. */
416 if (levels[j] != 1 && pos < len)
417 buf[pos++] = '0' + levels[j];
425 static void parse_output_words(struct output_struct *words, short *levels, const char *str, uchar priority)
430 for ( ; str; str = s) {
431 if ((s = strchr(str, ',')) != NULL)
438 while (len && isDigit(str+len-1))
441 lev = isDigit(str+len) ? atoi(str+len) : 1;
442 if (lev > MAX_OUT_LEVEL)
444 if (len == 4 && strncasecmp(str, "help", 4) == 0) {
445 output_item_help(words);
448 if (len == 4 && strncasecmp(str, "none", 4) == 0)
450 else if (len == 3 && strncasecmp(str, "all", 3) == 0)
452 for (j = 0; words[j].name; j++) {
454 || (len == words[j].namelen && strncasecmp(str, words[j].name, len) == 0)) {
455 if (priority >= words[j].priority) {
456 words[j].priority = priority;
463 if (len && !words[j].name && !am_server) {
464 rprintf(FERROR, "Unknown %s item: \"%.*s\"\n",
465 words[j].help, len, str);
466 exit_cleanup(RERR_SYNTAX);
471 /* Tell the user what all the info or debug flags mean. */
472 static void output_item_help(struct output_struct *words)
474 short *levels = words == info_words ? info_levels : debug_levels;
475 const char **verbosity = words == info_words ? info_verbosity : debug_verbosity;
476 char buf[128], *opt, *fmt = "%-10s %s\n";
479 reset_output_levels();
481 rprintf(FINFO, "Use OPT or OPT1 for level 1 output, OPT2 for level 2, etc.; OPT0 silences.\n");
482 rprintf(FINFO, "\n");
483 for (j = 0; words[j].name; j++)
484 rprintf(FINFO, fmt, words[j].name, words[j].help);
485 rprintf(FINFO, "\n");
487 snprintf(buf, sizeof buf, "Set all %s options (e.g. all%d)",
488 words[j].help, MAX_OUT_LEVEL);
489 rprintf(FINFO, fmt, "ALL", buf);
491 snprintf(buf, sizeof buf, "Silence all %s options (same as all0)",
493 rprintf(FINFO, fmt, "NONE", buf);
495 rprintf(FINFO, fmt, "HELP", "Output this help message");
496 rprintf(FINFO, "\n");
497 rprintf(FINFO, "Options added for each increase in verbose level:\n");
499 for (j = 1; j <= MAX_VERBOSITY; j++) {
500 parse_output_words(words, levels, verbosity[j], HELP_PRIORITY);
501 opt = make_output_option(words, levels, W_CLI|W_SRV|W_SND|W_REC);
503 rprintf(FINFO, "%d) %s\n", j, strchr(opt, '=')+1);
506 reset_output_levels();
510 /* The --verbose option now sets info+debug flags. */
511 static void set_output_verbosity(int level, uchar priority)
515 if (level > MAX_VERBOSITY)
516 level = MAX_VERBOSITY;
518 for (j = 1; j <= level; j++) {
519 parse_output_words(info_words, info_levels, info_verbosity[j], priority);
520 parse_output_words(debug_words, debug_levels, debug_verbosity[j], priority);
524 /* Limit the info+debug flag levels given a verbose-option level limit. */
525 void limit_output_verbosity(int level)
527 short info_limits[COUNT_INFO], debug_limits[COUNT_DEBUG];
530 if (level > MAX_VERBOSITY)
533 memset(info_limits, 0, sizeof info_limits);
534 memset(debug_limits, 0, sizeof debug_limits);
536 /* Compute the level limits in the above arrays. */
537 for (j = 1; j <= level; j++) {
538 parse_output_words(info_words, info_limits, info_verbosity[j], LIMIT_PRIORITY);
539 parse_output_words(debug_words, debug_limits, debug_verbosity[j], LIMIT_PRIORITY);
542 for (j = 0; j < COUNT_INFO; j++) {
543 if (info_levels[j] > info_limits[j])
544 info_levels[j] = info_limits[j];
547 for (j = 0; j < COUNT_DEBUG; j++) {
548 if (debug_levels[j] > debug_limits[j])
549 debug_levels[j] = debug_limits[j];
553 void reset_output_levels(void)
557 memset(info_levels, 0, sizeof info_levels);
558 memset(debug_levels, 0, sizeof debug_levels);
560 for (j = 0; j < COUNT_INFO; j++)
561 info_words[j].priority = DEFAULT_PRIORITY;
563 for (j = 0; j < COUNT_DEBUG; j++)
564 debug_words[j].priority = DEFAULT_PRIORITY;
567 void negate_output_levels(void)
571 for (j = 0; j < COUNT_INFO; j++)
572 info_levels[j] *= -1;
574 for (j = 0; j < COUNT_DEBUG; j++)
575 debug_levels[j] *= -1;
578 static char *istring(const char *fmt, int val)
581 if (asprintf(&str, fmt, val) < 0)
582 out_of_memory("istring");
586 static void print_info_flags(enum logcode f)
588 STRUCT_STAT *dumstat;
591 char *info_flags[] = {
595 istring("%d-bit files", (int)(sizeof (OFF_T) * 8)),
596 istring("%d-bit inums", (int)(sizeof dumstat->st_ino * 8)), /* Don't check ino_t! */
597 istring("%d-bit timestamps", (int)(sizeof (time_t) * 8)),
598 istring("%d-bit long ints", (int)(sizeof (int64) * 8)),
600 #ifndef HAVE_SOCKETPAIR
605 #ifndef SUPPORT_HARD_LINKS
610 #ifndef CAN_HARDLINK_SPECIAL
615 #ifndef SUPPORT_LINKS
625 #ifndef SUPPORT_ATIMES
632 #ifndef HAVE_FTRUNCATE
637 #ifndef HAVE_FTRUNCATE
647 #ifndef SUPPORT_XATTRS
652 #ifdef RSYNC_USE_PROTECTED_ARGS
664 #ifndef CAN_SET_SYMLINK_TIMES
669 #ifndef SUPPORT_PREALLOCATION
679 #ifndef SUPPORT_CRTIMES
704 for (line_len = 0, j = 0; ; j++) {
705 char *str = info_flags[j], *next_nfo = str ? info_flags[j+1] : NULL;
706 int str_len = str && *str != '*' ? strlen(str) : 1000;
707 int need_comma = next_nfo && *next_nfo != '*' ? 1 : 0;
708 if (line_len && line_len + 1 + str_len + need_comma >= (int)sizeof line_buf) {
709 rprintf(f, " %s\n", line_buf);
715 rprintf(f, "%s:\n", str+1);
718 line_len += snprintf(line_buf+line_len, sizeof line_buf - line_len, " %s%s", str, need_comma ? "," : "");
722 static void print_rsync_version(enum logcode f)
724 char tmpbuf[256], *subprotocol = "";
726 #if SUBPROTOCOL_VERSION != 0
727 subprotocol = istring(".PR%d", SUBPROTOCOL_VERSION);
729 rprintf(f, "%s version %s protocol version %d%s\n",
730 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION, subprotocol);
732 rprintf(f, "Copyright (C) 1996-" LATEST_YEAR " by Andrew Tridgell, Wayne Davison, and others.\n");
733 rprintf(f, "Web site: https://rsync.samba.org/\n");
737 rprintf(f, "Checksum list:\n");
738 get_default_nno_list(&valid_checksums, tmpbuf, sizeof tmpbuf, '(');
739 rprintf(f, " %s\n", tmpbuf);
741 rprintf(f, "Compress list:\n");
742 get_default_nno_list(&valid_compressions, tmpbuf, sizeof tmpbuf, '(');
743 rprintf(f, " %s\n", tmpbuf);
745 #ifdef MAINTAINER_MODE
746 rprintf(f, "Panic Action: \"%s\"\n", get_panic_action());
750 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
752 if (sizeof (int64) != SIZEOF_INT64) {
754 "WARNING: size mismatch in SIZEOF_INT64 define (%d != %d)\n",
755 (int) SIZEOF_INT64, (int) sizeof (int64));
759 rprintf(f,"rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n");
760 rprintf(f,"are welcome to redistribute it under certain conditions. See the GNU\n");
761 rprintf(f,"General Public Licence for details.\n");
765 void usage(enum logcode F)
767 print_rsync_version(F);
770 rprintf(F,"rsync is a file transfer program capable of efficient remote update\n");
771 rprintf(F,"via a fast differencing algorithm.\n");
774 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... DEST\n");
775 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
776 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
777 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
778 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC [DEST]\n");
779 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
780 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
781 rprintf(F,"The ':' usages connect via remote shell, while '::' & 'rsync://' usages connect\n");
782 rprintf(F,"to an rsync daemon, and require SRC or DEST to start with a module name.\n");
784 rprintf(F,"Options\n");
785 #include "help-rsync.h"
787 rprintf(F,"Use \"rsync --daemon --help\" to see the daemon-mode command-line options.\n");
788 rprintf(F,"Please see the rsync(1) and rsyncd.conf(5) man pages for full documentation.\n");
789 rprintf(F,"See https://rsync.samba.org/ for updates, bug reports, and answers\n");
792 enum {OPT_SERVER = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
793 OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP,
794 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD,
795 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
796 OPT_NO_D, OPT_APPEND, OPT_NO_ICONV, OPT_INFO, OPT_DEBUG, OPT_BLOCK_SIZE,
797 OPT_USERMAP, OPT_GROUPMAP, OPT_CHOWN, OPT_BWLIMIT,
798 OPT_OLD_COMPRESS, OPT_NEW_COMPRESS, OPT_NO_COMPRESS,
799 OPT_STOP_AFTER, OPT_STOP_AT,
800 OPT_REFUSED_BASE = 9000};
802 static struct poptOption long_options[] = {
803 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
804 {"help", 0, POPT_ARG_NONE, 0, OPT_HELP, 0, 0 },
805 {"version", 'V', POPT_ARG_NONE, 0, 'V', 0, 0},
806 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
807 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
808 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
809 {"info", 0, POPT_ARG_STRING, 0, OPT_INFO, 0, 0 },
810 {"debug", 0, POPT_ARG_STRING, 0, OPT_DEBUG, 0, 0 },
811 {"errors2stderr", 0, POPT_ARG_VAL, &msgs2stderr, 2, 0, 0 },
812 {"msgs2stderr", 0, POPT_ARG_VAL, &msgs2stderr, 1, 0, 0 },
813 {"msgs2protocol", 0, POPT_ARG_VAL, &msgs2stderr, 0, 0, 0 },
814 {"no-msgs2stderr", 0, POPT_ARG_VAL, &msgs2stderr, 0, 0, 0 },
815 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
816 {"motd", 0, POPT_ARG_VAL, &output_motd, 1, 0, 0 },
817 {"no-motd", 0, POPT_ARG_VAL, &output_motd, 0, 0, 0 },
818 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
819 {"human-readable", 'h', POPT_ARG_NONE, 0, 'h', 0, 0},
820 {"no-human-readable",0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
821 {"no-h", 0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
822 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
823 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
824 {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 },
825 {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
826 {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
827 {"inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
828 {"no-inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
829 {"i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
830 {"no-i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
831 {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
832 {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
833 {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
834 {"old-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
835 {"old-d", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
836 {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
837 {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
838 {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
839 {"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 },
840 {"acls", 'A', POPT_ARG_NONE, 0, 'A', 0, 0 },
841 {"no-acls", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
842 {"no-A", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
843 {"xattrs", 'X', POPT_ARG_NONE, 0, 'X', 0, 0 },
844 {"no-xattrs", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
845 {"no-X", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
846 {"times", 't', POPT_ARG_VAL, &preserve_times, 1, 0, 0 },
847 {"no-times", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
848 {"no-t", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
849 {"atimes", 'U', POPT_ARG_NONE, 0, 'U', 0, 0 },
850 {"no-atimes", 0, POPT_ARG_VAL, &preserve_atimes, 0, 0, 0 },
851 {"no-U", 0, POPT_ARG_VAL, &preserve_atimes, 0, 0, 0 },
852 {"open-noatime", 0, POPT_ARG_VAL, &open_noatime, 1, 0, 0 },
853 {"no-open-noatime", 0, POPT_ARG_VAL, &open_noatime, 0, 0, 0 },
854 {"crtimes", 'N', POPT_ARG_VAL, &preserve_crtimes, 1, 0, 0 },
855 {"no-crtimes", 0, POPT_ARG_VAL, &preserve_crtimes, 0, 0, 0 },
856 {"no-N", 0, POPT_ARG_VAL, &preserve_crtimes, 0, 0, 0 },
857 {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 1, 0, 0 },
858 {"no-omit-dir-times",0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
859 {"no-O", 0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
860 {"omit-link-times", 'J', POPT_ARG_VAL, &omit_link_times, 1, 0, 0 },
861 {"no-omit-link-times",0, POPT_ARG_VAL, &omit_link_times, 0, 0, 0 },
862 {"no-J", 0, POPT_ARG_VAL, &omit_link_times, 0, 0, 0 },
863 {"modify-window", '@', POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
864 {"super", 0, POPT_ARG_VAL, &am_root, 2, 0, 0 },
865 {"no-super", 0, POPT_ARG_VAL, &am_root, 0, 0, 0 },
866 {"fake-super", 0, POPT_ARG_VAL, &am_root, -1, 0, 0 },
867 {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 },
868 {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
869 {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
870 {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 },
871 {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
872 {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
873 {0, 'D', POPT_ARG_NONE, 0, 'D', 0, 0 },
874 {"no-D", 0, POPT_ARG_NONE, 0, OPT_NO_D, 0, 0 },
875 {"devices", 0, POPT_ARG_VAL, &preserve_devices, 1, 0, 0 },
876 {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
877 {"write-devices", 0, POPT_ARG_VAL, &write_devices, 1, 0, 0 },
878 {"no-write-devices", 0, POPT_ARG_VAL, &write_devices, 0, 0, 0 },
879 {"specials", 0, POPT_ARG_VAL, &preserve_specials, 1, 0, 0 },
880 {"no-specials", 0, POPT_ARG_VAL, &preserve_specials, 0, 0, 0 },
881 {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 },
882 {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
883 {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
884 {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 },
885 {"copy-unsafe-links",0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 },
886 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
887 {"munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 1, 0, 0 },
888 {"no-munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 0, 0, 0 },
889 {"copy-dirlinks", 'k', POPT_ARG_NONE, ©_dirlinks, 0, 0, 0 },
890 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
891 {"hard-links", 'H', POPT_ARG_NONE, 0, 'H', 0, 0 },
892 {"no-hard-links", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
893 {"no-H", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
894 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
895 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
896 {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
897 {"implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
898 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
899 {"i-d", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
900 {"no-i-d", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
901 {"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 },
902 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
903 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
904 {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 },
905 {"no-one-file-system",0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
906 {"no-x", 0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
907 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
908 {"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
909 {"ignore-non-existing",0,POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
910 {"ignore-existing", 0, POPT_ARG_NONE, &ignore_existing, 0, 0, 0 },
911 {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
912 {"min-size", 0, POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 },
913 {"max-alloc", 0, POPT_ARG_STRING, &max_alloc_arg, 0, 0, 0 },
914 {"sparse", 'S', POPT_ARG_VAL, &sparse_files, 1, 0, 0 },
915 {"no-sparse", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
916 {"no-S", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
917 {"preallocate", 0, POPT_ARG_NONE, &preallocate_files, 0, 0, 0},
918 {"inplace", 0, POPT_ARG_VAL, &inplace, 1, 0, 0 },
919 {"no-inplace", 0, POPT_ARG_VAL, &inplace, 0, 0, 0 },
920 {"append", 0, POPT_ARG_NONE, 0, OPT_APPEND, 0, 0 },
921 {"append-verify", 0, POPT_ARG_VAL, &append_mode, 2, 0, 0 },
922 {"no-append", 0, POPT_ARG_VAL, &append_mode, 0, 0, 0 },
923 {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
924 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
925 {"delete-before", 0, POPT_ARG_NONE, &delete_before, 0, 0, 0 },
926 {"delete-during", 0, POPT_ARG_VAL, &delete_during, 1, 0, 0 },
927 {"delete-delay", 0, POPT_ARG_VAL, &delete_during, 2, 0, 0 },
928 {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
929 {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
930 {"delete-missing-args",0,POPT_BIT_SET, &missing_args, 2, 0, 0 },
931 {"ignore-missing-args",0,POPT_BIT_SET, &missing_args, 1, 0, 0 },
932 {"remove-sent-files",0, POPT_ARG_VAL, &remove_source_files, 2, 0, 0 }, /* deprecated */
933 {"remove-source-files",0,POPT_ARG_VAL, &remove_source_files, 1, 0, 0 },
934 {"force", 0, POPT_ARG_VAL, &force_delete, 1, 0, 0 },
935 {"no-force", 0, POPT_ARG_VAL, &force_delete, 0, 0, 0 },
936 {"ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 1, 0, 0 },
937 {"no-ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 0, 0, 0 },
938 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
939 {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
940 {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
941 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
942 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
943 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
944 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
945 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
946 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
947 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
948 {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
949 {"checksum", 'c', POPT_ARG_VAL, &always_checksum, 1, 0, 0 },
950 {"no-checksum", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
951 {"no-c", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
952 {"checksum-choice", 0, POPT_ARG_STRING, &checksum_choice, 0, 0, 0 },
953 {"cc", 0, POPT_ARG_STRING, &checksum_choice, 0, 0, 0 },
954 {"block-size", 'B', POPT_ARG_STRING, 0, OPT_BLOCK_SIZE, 0, 0 },
955 {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
956 {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
957 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
958 {"fuzzy", 'y', POPT_ARG_NONE, 0, 'y', 0, 0 },
959 {"no-fuzzy", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
960 {"no-y", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
961 {"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 },
962 {"old-compress", 0, POPT_ARG_NONE, 0, OPT_OLD_COMPRESS, 0, 0 },
963 {"new-compress", 0, POPT_ARG_NONE, 0, OPT_NEW_COMPRESS, 0, 0 },
964 {"no-compress", 0, POPT_ARG_NONE, 0, OPT_NO_COMPRESS, 0, 0 },
965 {"no-z", 0, POPT_ARG_NONE, 0, OPT_NO_COMPRESS, 0, 0 },
966 {"compress-choice", 0, POPT_ARG_STRING, &compress_choice, 0, 0, 0 },
967 {"zc", 0, POPT_ARG_STRING, &compress_choice, 0, 0, 0 },
968 {"skip-compress", 0, POPT_ARG_STRING, &skip_compress, 0, 0, 0 },
969 {"compress-level", 0, POPT_ARG_INT, &do_compression_level, 0, 0, 0 },
970 {"zl", 0, POPT_ARG_INT, &do_compression_level, 0, 0, 0 },
971 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
972 {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 },
973 {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 },
974 {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 },
975 {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 },
976 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
977 {"delay-updates", 0, POPT_ARG_VAL, &delay_updates, 1, 0, 0 },
978 {"no-delay-updates", 0, POPT_ARG_VAL, &delay_updates, 0, 0, 0 },
979 {"prune-empty-dirs",'m', POPT_ARG_VAL, &prune_empty_dirs, 1, 0, 0 },
980 {"no-prune-empty-dirs",0,POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
981 {"no-m", 0, POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
982 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
983 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
984 {"out-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 },
985 {"log-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 }, /* DEPRECATED */
986 {"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 },
987 {"no-itemize-changes",0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
988 {"no-i", 0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
989 {"bwlimit", 0, POPT_ARG_STRING, &bwlimit_arg, OPT_BWLIMIT, 0, 0 },
990 {"no-bwlimit", 0, POPT_ARG_VAL, &bwlimit, 0, 0, 0 },
991 {"backup", 'b', POPT_ARG_VAL, &make_backups, 1, 0, 0 },
992 {"no-backup", 0, POPT_ARG_VAL, &make_backups, 0, 0, 0 },
993 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
994 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
995 {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
996 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
997 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
998 {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
999 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
1000 {"from0", '0', POPT_ARG_VAL, &eol_nulls, 1, 0, 0},
1001 {"no-from0", 0, POPT_ARG_VAL, &eol_nulls, 0, 0, 0},
1002 {"protect-args", 's', POPT_ARG_VAL, &protect_args, 1, 0, 0},
1003 {"no-protect-args", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
1004 {"no-s", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
1005 {"numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 1, 0, 0 },
1006 {"no-numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 0, 0, 0 },
1007 {"usermap", 0, POPT_ARG_STRING, 0, OPT_USERMAP, 0, 0 },
1008 {"groupmap", 0, POPT_ARG_STRING, 0, OPT_GROUPMAP, 0, 0 },
1009 {"chown", 0, POPT_ARG_STRING, 0, OPT_CHOWN, 0, 0 },
1010 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
1011 {"no-timeout", 0, POPT_ARG_VAL, &io_timeout, 0, 0, 0 },
1012 {"contimeout", 0, POPT_ARG_INT, &connect_timeout, 0, 0, 0 },
1013 {"no-contimeout", 0, POPT_ARG_VAL, &connect_timeout, 0, 0, 0 },
1014 {"stop-after", 0, POPT_ARG_STRING, 0, OPT_STOP_AFTER, 0, 0 },
1015 {"time-limit", 0, POPT_ARG_STRING, 0, OPT_STOP_AFTER, 0, 0 }, /* earlier stop-after name */
1016 {"stop-at", 0, POPT_ARG_STRING, 0, OPT_STOP_AT, 0, 0 },
1017 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
1018 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
1019 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
1020 {"iconv", 0, POPT_ARG_STRING, &iconv_opt, 0, 0, 0 },
1021 {"no-iconv", 0, POPT_ARG_NONE, 0, OPT_NO_ICONV, 0, 0 },
1022 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
1023 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
1024 {"8-bit-output", '8', POPT_ARG_VAL, &allow_8bit_chars, 1, 0, 0 },
1025 {"no-8-bit-output", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
1026 {"no-8", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
1027 {"mkpath", 0, POPT_ARG_VAL, &mkpath_dest_arg, 1, 0, 0 },
1028 {"no-mkpath", 0, POPT_ARG_VAL, &mkpath_dest_arg, 0, 0, 0 },
1029 {"qsort", 0, POPT_ARG_NONE, &use_qsort, 0, 0, 0 },
1030 {"copy-as", 0, POPT_ARG_STRING, ©_as, 0, 0, 0 },
1031 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
1032 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
1033 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
1034 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
1035 {"early-input", 0, POPT_ARG_STRING, &early_input_file, 0, 0, 0 },
1036 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
1037 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
1038 {"outbuf", 0, POPT_ARG_STRING, &outbuf_mode, 0, 0, 0 },
1039 {"remote-option", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
1040 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
1041 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
1042 {"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 },
1043 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
1044 /* All the following options switch us into daemon-mode option-parsing. */
1045 {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
1046 {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
1047 {"dparam", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
1048 {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
1049 {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
1053 static void daemon_usage(enum logcode F)
1055 print_rsync_version(F);
1058 rprintf(F,"Usage: rsync --daemon [OPTION]...\n");
1059 #include "help-rsyncd.h"
1061 rprintf(F,"If you were not trying to invoke rsync as a daemon, avoid using any of the\n");
1062 rprintf(F,"daemon-specific rsync options. See also the rsyncd.conf(5) man page.\n");
1065 static struct poptOption long_daemon_options[] = {
1066 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
1067 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
1068 {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
1069 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
1070 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
1071 {"dparam", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
1072 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
1073 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
1074 {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
1075 {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
1076 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
1077 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
1078 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
1079 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
1080 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
1081 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
1082 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
1083 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
1084 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
1085 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
1086 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
1091 static char err_buf[200];
1095 * Store the option error message, if any, so that we can log the
1096 * connection attempt (which requires parsing the options), and then
1097 * show the error later on.
1099 void option_error(void)
1102 strlcpy(err_buf, "Error parsing options: option may "
1103 "be supported on client but not on server?\n",
1107 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
1108 io_flush(MSG_FLUSH);
1113 static void parse_one_refuse_match(int negated, const char *ref, const struct poptOption *list_end)
1115 struct poptOption *op;
1117 int is_wild = strpbrk(ref, "*?[") != NULL;
1118 int found_match = 0;
1120 shortName[1] = '\0';
1122 if (strcmp("a", ref) == 0 || strcmp("archive", ref) == 0) {
1123 ref = "[ardlptgoD]";
1127 for (op = long_options; op != list_end; op++) {
1128 *shortName = op->shortName;
1129 if ((op->longName && wildmatch(ref, op->longName))
1130 || (*shortName && wildmatch(ref, shortName))) {
1131 if (op->descrip[1] == '*')
1132 op->descrip = negated ? "a*" : "r*";
1134 op->descrip = negated ? "a=" : "r=";
1142 rprintf(FLOG, "No match for refuse-options string \"%s\"\n", ref);
1147 * Tweak the option table to disable all options that the rsyncd.conf
1148 * file has told us to refuse.
1150 static void set_refuse_options(void)
1152 struct poptOption *op, *list_end = NULL;
1153 char *cp, *ref = lp_refuse_options(module_id);
1162 /* We abuse the descrip field in poptOption to make it easy to flag which options
1163 * are refused (since we don't use it otherwise). Start by marking all options
1164 * as "a"ccepted with a few options also marked as non-wild. */
1165 for (op = long_options; ; op++) {
1166 const char *longName = op->longName ? op->longName : "";
1167 if (!op->longName && !op->shortName) {
1172 || op->shortName == 'e' /* Required for compatibility flags */
1173 || op->shortName == '0' /* --from0 just modifies --files-from, so refuse that instead (or not) */
1174 || op->shortName == 's' /* --protect-args is always OK */
1175 || op->shortName == 'n' /* --dry-run is always OK */
1176 || strcmp("iconv", longName) == 0
1177 || strcmp("no-iconv", longName) == 0
1178 || strcmp("checksum-seed", longName) == 0
1179 || strcmp("write-devices", longName) == 0 /* disable wild-match (it gets refused below) */
1180 || strcmp("log-format", longName) == 0 /* aka out-format (NOT log-file-format) */
1181 || strcmp("sender", longName) == 0
1182 || strcmp("server", longName) == 0)
1183 op->descrip = "a="; /* exact-match only */
1185 op->descrip = "a*"; /* wild-card-able */
1187 assert(list_end != NULL);
1189 if (am_daemon) { /* Refused by default, but can be accepted via a negated exact match. */
1190 parse_one_refuse_match(0, "write-devices", list_end);
1194 while (*ref == ' ') ref++;
1197 if ((cp = strchr(ref, ' ')) != NULL)
1199 negated = *ref == '!';
1200 if (negated && ref[1])
1202 parse_one_refuse_match(negated, ref, list_end);
1211 if (!*lp_charset(module_id))
1212 parse_one_refuse_match(0, "iconv", list_end);
1214 parse_one_refuse_match(0, "log-file*", list_end);
1217 #ifndef SUPPORT_ATIMES
1218 parse_one_refuse_match(0, "atimes", list_end);
1220 #ifndef SUPPORT_HARD_LINKS
1221 parse_one_refuse_match(0, "link-dest", list_end);
1224 parse_one_refuse_match(0, "stop-at", list_end);
1226 #ifndef ICONV_OPTION
1227 parse_one_refuse_match(0, "iconv", list_end);
1229 #ifndef HAVE_SETVBUF
1230 parse_one_refuse_match(0, "outbuf", list_end);
1232 #ifndef SUPPORT_CRTIMES
1233 parse_one_refuse_match(0, "crtimes", list_end);
1236 /* Now we use the descrip values to actually mark the options for refusal. */
1237 for (op = long_options; op != list_end; op++) {
1238 int refused = op->descrip[0] == 'r';
1242 if (op->argInfo == POPT_ARG_VAL)
1243 op->argInfo = POPT_ARG_NONE;
1244 op->val = (op - long_options) + OPT_REFUSED_BASE;
1245 /* The following flags are set to let us easily check an implied option later in the code. */
1246 switch (op->shortName) {
1247 case 'r': case 'd': case 'l': case 'p':
1248 case 't': case 'g': case 'o': case 'D':
1249 refused_archive_part = op->val;
1252 refused_compress = op->val;
1255 if (strcmp("delete", op->longName) == 0)
1256 refused_delete = op->val;
1257 else if (strcmp("delete-before", op->longName) == 0)
1258 refused_delete_before = op->val;
1259 else if (strcmp("delete-during", op->longName) == 0)
1260 refused_delete_during = op->val;
1261 else if (strcmp("partial", op->longName) == 0)
1262 refused_partial = op->val;
1263 else if (strcmp("progress", op->longName) == 0)
1264 refused_progress = op->val;
1265 else if (strcmp("inplace", op->longName) == 0)
1266 refused_inplace = op->val;
1267 else if (strcmp("no-iconv", op->longName) == 0)
1268 refused_no_iconv = op->val;
1275 static int count_args(const char **argv)
1280 while (argv[i] != NULL)
1287 /* If the size_arg is an invalid string or the value is < min_value, an error
1288 * is put into err_buf & the return is -1. Note that this parser does NOT
1289 * support negative numbers, so a min_value < 0 doesn't make any sense. */
1290 static ssize_t parse_size_arg(const char *size_arg, char def_suf, const char *opt_name,
1291 ssize_t min_value, ssize_t max_value, BOOL unlimited_0)
1293 int reps, mult, len;
1294 const char *arg, *err = "invalid", *min_max = NULL;
1295 ssize_t limit = -1, size = 1;
1297 for (arg = size_arg; isDigit(arg); arg++) {}
1298 if (*arg == '.' || *arg == get_decimal_point()) /* backward compatibility: always allow '.' */
1299 for (arg++; isDigit(arg); arg++) {}
1300 switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) {
1322 if (*arg == 'b' || *arg == 'B')
1324 else if (!*arg || *arg == '+' || *arg == '-')
1326 else if (strncasecmp(arg, "ib", 2) == 0)
1327 mult = 1024, arg += 2;
1332 size *= atof(size_arg);
1333 if ((*arg == '+' || *arg == '-') && arg[1] == '1' && arg != size_arg)
1334 size += atoi(arg), arg += 2;
1337 if (size < 0 || (max_value >= 0 && size > max_value)) {
1343 if (size < min_value && (!unlimited_0 || size != 0)) {
1352 len = snprintf(err_buf, sizeof err_buf - 1, "--%s=%s is %s", opt_name, size_arg, err);
1353 if (min_max && limit >= 0 && len < (int)sizeof err_buf - 10) {
1354 len += snprintf(err_buf + len, sizeof err_buf - len - 1, " (%s: %s%s)",
1355 min_max, do_big_num(limit, 3, NULL),
1356 unlimited_0 && min_max[1] == 'i' ? " or 0 for unlimited" : "");
1358 err_buf[len] = '\n';
1359 err_buf[len+1] = '\0';
1364 /* Allow the user to specify a time in the format yyyy-mm-ddThh:mm while
1365 * also allowing abbreviated data. For instance, if the time is omitted,
1366 * it defaults to midnight. If the date is omitted, it defaults to the
1367 * next possible date in the future with the specified time. Even the
1368 * year or year-month can be omitted, again defaulting to the next date
1369 * in the future that matches the specified information. A 2-digit year
1370 * is also OK, as is using '/' instead of '-'. */
1371 static time_t parse_time(const char *arg)
1374 time_t val, now = time(NULL);
1375 struct tm t, *today = localtime(&now);
1376 int in_date, old_mday, n;
1378 memset(&t, 0, sizeof t);
1379 t.tm_year = t.tm_mon = t.tm_mday = -1;
1380 t.tm_hour = t.tm_min = t.tm_isdst = -1;
1382 if (*cp == 'T' || *cp == 't' || *cp == ':') {
1383 in_date = *cp == ':' ? 0 : -1;
1392 n = n * 10 + *cp++ - '0';
1393 } while (isDigit(cp));
1397 if (t.tm_year != -1)
1399 t.tm_year = t.tm_mon;
1400 t.tm_mon = t.tm_mday;
1404 if (*cp == 'T' || *cp == 't') {
1408 } else if (*cp != '-' && *cp != '/')
1412 if (t.tm_hour != -1)
1414 t.tm_hour = t.tm_min;
1427 if (t.tm_year < 0) {
1428 t.tm_year = today->tm_year;
1430 } else if (t.tm_year < 100) {
1431 while (t.tm_year < today->tm_year)
1436 t.tm_mon = today->tm_mon;
1440 if (t.tm_mday < 0) {
1441 t.tm_mday = today->tm_mday;
1447 t.tm_hour = t.tm_min = 0;
1448 } else if (t.tm_hour < 0) {
1452 t.tm_hour = today->tm_hour;
1456 /* Note that mktime() might change a too-large tm_mday into the start of
1457 * the following month which we need to undo in the following code! */
1458 old_mday = t.tm_mday;
1459 if (t.tm_hour > 23 || t.tm_min > 59
1460 || t.tm_mon < 0 || t.tm_mon >= 12
1461 || t.tm_mday < 1 || t.tm_mday > 31
1462 || (val = mktime(&t)) == (time_t)-1)
1465 while (in_date && (val <= now || t.tm_mday < old_mday)) {
1468 old_mday = ++t.tm_mday;
1471 if (t.tm_mday < old_mday)
1472 t.tm_mday = old_mday; /* The month already got bumped forward */
1473 else if (++t.tm_mon == 12) {
1479 if (t.tm_mday < old_mday) {
1480 /* mon==1 mday==29 got bumped to mon==2 */
1481 if (t.tm_mon != 2 || old_mday != 29)
1489 if ((val = mktime(&t)) == (time_t)-1) {
1490 /* This code shouldn't be needed, as mktime() should auto-round to the next month. */
1491 if (in_date != 3 || t.tm_mday <= 28)
1493 t.tm_mday = old_mday = 1;
1505 static void create_refuse_error(int which)
1509 msg = "The server is configured to refuse";
1511 msg = "The server does not support";
1513 msg = "This rsync does not support";
1515 /* The "which" value is the index + OPT_REFUSED_BASE. */
1516 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
1517 int n = snprintf(err_buf, sizeof err_buf, "%s --%s\n", msg, op->longName) - 1;
1519 snprintf(err_buf + n, sizeof err_buf - n, " (-%c)\n", op->shortName);
1522 /* This is used to make sure that --daemon & --server cannot be aliased to
1523 * something else. These options have always disabled popt aliases for the
1524 * parsing of a daemon or server command-line, but we have to make sure that
1525 * these options cannot vanish so that the alias disabling can take effect. */
1526 static void popt_unalias(poptContext con, const char *opt)
1528 struct poptAlias unalias;
1530 memset(&unalias, 0, sizeof unalias);
1532 unalias.longName = opt + 2; /* point past the leading "--" */
1534 unalias.argv = new_array0(const char*, 2);
1535 unalias.argv[0] = strdup(opt);
1537 poptAddAlias(con, unalias, 0);
1540 char *alt_dest_opt(int type)
1543 type = alt_dest_type;
1547 return "--compare-dest";
1549 return "--copy-dest";
1551 return "--link-dest";
1553 NOISY_DEATH("Unknown alt_dest_opt type");
1558 * Process command line arguments. Called on both local and remote.
1560 * @retval 1 if all options are OK; with globals set to appropriate
1563 * @retval 0 on error, with err_buf containing an explanation
1565 int parse_arguments(int *argc_p, const char ***argv_p)
1567 static poptContext pc;
1568 const char *arg, **argv = *argv_p;
1570 int opt, want_dest_type;
1571 int orig_protect_args = protect_args;
1574 strlcpy(err_buf, "argc is zero!\n", sizeof err_buf);
1578 set_refuse_options();
1581 if (!am_daemon && protect_args <= 0 && (arg = getenv("RSYNC_ICONV")) != NULL && *arg)
1582 iconv_opt = strdup(arg);
1585 /* TODO: Call poptReadDefaultConfig; handle errors. */
1587 /* The context leaks in case of an error, but if there's a
1588 * problem we always exit anyhow. */
1590 poptFreeContext(pc);
1591 pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
1593 poptReadDefaultConfig(pc, 0);
1594 popt_unalias(pc, "--daemon");
1595 popt_unalias(pc, "--server");
1598 while ((opt = poptGetNextOpt(pc)) != -1) {
1599 /* most options are handled automatically by popt;
1600 * only special cases are returned and listed here. */
1609 /* Disable popt aliases on the server side and
1610 * then start parsing the options again. */
1611 poptFreeContext(pc);
1612 pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
1623 exit_cleanup(RERR_SYNTAX);
1631 "Attempt to hack rsync thwarted!\n",
1639 poptFreeContext(pc);
1640 pc = poptGetContext(RSYNC_NAME, argc, argv, long_daemon_options, 0);
1641 while ((opt = poptGetNextOpt(pc)) != -1) {
1645 daemon_usage(FINFO);
1649 arg = poptGetOptArg(pc);
1650 if (!strchr(arg, '=')) {
1652 "--dparam value is missing an '=': %s\n",
1656 cpp = EXPAND_ITEM_LIST(&dparam_list, char *, 4);
1666 "rsync: %s: %s (in daemon mode)\n",
1667 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1673 if (dparam_list.count && !set_dparams(1))
1674 exit_cleanup(RERR_SYNTAX);
1676 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
1677 snprintf(err_buf, sizeof err_buf,
1678 "the --temp-dir path is WAY too long.\n");
1683 rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
1685 rprintf(FERROR, "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
1686 exit_cleanup(RERR_SYNTAX);
1689 *argv_p = argv = poptGetArgs(pc);
1690 *argc_p = argc = count_args(argv);
1696 case OPT_MODIFY_WINDOW:
1697 /* The value has already been set by popt, but
1698 * we need to remember that we're using a
1699 * non-default setting. */
1700 modify_window_set = 1;
1704 parse_filter_str(&filter_list, poptGetOptArg(pc),
1705 rule_template(0), 0);
1709 parse_filter_str(&filter_list, poptGetOptArg(pc),
1710 rule_template(0), XFLG_OLD_PREFIXES);
1714 parse_filter_str(&filter_list, poptGetOptArg(pc),
1715 rule_template(FILTRULE_INCLUDE), XFLG_OLD_PREFIXES);
1718 case OPT_EXCLUDE_FROM:
1719 case OPT_INCLUDE_FROM:
1720 arg = poptGetOptArg(pc);
1722 arg = sanitize_path(NULL, arg, NULL, 0, SP_DEFAULT);
1723 if (daemon_filter_list.head) {
1725 char *cp = strdup(arg);
1729 char *dir = cp + (*cp == '/' ? module_dirlen : 0);
1730 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1731 rej = check_filter(&daemon_filter_list, FLOG, dir, 0) < 0;
1735 goto options_rejected;
1737 parse_filter_file(&filter_list, arg,
1738 rule_template(opt == OPT_INCLUDE_FROM ? FILTRULE_INCLUDE : 0),
1739 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
1743 if (refused_archive_part) {
1744 create_refuse_error(refused_archive_part);
1747 if (!recurse) /* preserve recurse == 2 */
1749 #ifdef SUPPORT_LINKS
1756 preserve_devices = 1;
1757 preserve_specials = 1;
1761 preserve_devices = preserve_specials = 1;
1765 preserve_devices = preserve_specials = 0;
1773 preserve_hard_links++;
1781 if (++preserve_atimes > 1)
1802 switch (++F_option_cnt) {
1804 parse_filter_str(&filter_list,": /.rsync-filter",rule_template(0),0);
1807 parse_filter_str(&filter_list,"- .rsync-filter",rule_template(0),0);
1813 if (refused_partial || refused_progress) {
1814 create_refuse_error(refused_partial ? refused_partial : refused_progress);
1825 case OPT_OLD_COMPRESS:
1826 compress_choice = "zlib";
1829 case OPT_NEW_COMPRESS:
1830 compress_choice = "zlibx";
1833 case OPT_NO_COMPRESS:
1835 compress_choice = NULL;
1839 arg = poptGetOptArg(pc);
1841 snprintf(err_buf, sizeof err_buf,
1842 "Remote option must start with a dash: %s\n", arg);
1845 if (remote_option_cnt+2 >= remote_option_alloc) {
1846 remote_option_alloc += 16;
1847 remote_options = realloc_array(remote_options,
1848 const char *, remote_option_alloc);
1849 if (!remote_option_cnt)
1850 remote_options[0] = "ARG0";
1852 remote_options[++remote_option_cnt] = arg;
1853 remote_options[remote_option_cnt+1] = NULL;
1856 case OPT_WRITE_BATCH:
1857 /* batch_name is already set */
1861 case OPT_ONLY_WRITE_BATCH:
1862 /* batch_name is already set */
1866 case OPT_READ_BATCH:
1867 /* batch_name is already set */
1877 case OPT_BLOCK_SIZE: {
1878 /* We may not know the real protocol_version at this point if this is the client
1879 * option parsing, but we still want to check it so that the client can specify
1880 * a --protocol=29 option with a larger block size. */
1881 int max_blength = protocol_version < 30 ? OLD_MAX_BLOCK_SIZE : MAX_BLOCK_SIZE;
1883 arg = poptGetOptArg(pc);
1884 if ((size = parse_size_arg(arg, 'b', "block-size", 0, max_blength, False)) < 0)
1886 block_size = (int32)size;
1891 if ((max_size = parse_size_arg(max_size_arg, 'b', "max-size", 0, -1, False)) < 0)
1893 max_size_arg = strdup(do_big_num(max_size, 0, NULL));
1897 if ((min_size = parse_size_arg(min_size_arg, 'b', "min-size", 0, -1, False)) < 0)
1899 min_size_arg = strdup(do_big_num(min_size, 0, NULL));
1903 ssize_t size = parse_size_arg(bwlimit_arg, 'K', "bwlimit", 512, -1, True);
1906 bwlimit_arg = strdup(do_big_num(size, 0, NULL));
1907 bwlimit = (size + 512) / 1024;
1919 want_dest_type = LINK_DEST;
1923 want_dest_type = COPY_DEST;
1926 case OPT_COMPARE_DEST:
1927 want_dest_type = COMPARE_DEST;
1930 if (alt_dest_type && alt_dest_type != want_dest_type) {
1931 snprintf(err_buf, sizeof err_buf,
1932 "ERROR: the %s option conflicts with the %s option\n",
1933 alt_dest_opt(want_dest_type), alt_dest_opt(0));
1936 alt_dest_type = want_dest_type;
1938 if (basis_dir_cnt >= MAX_BASIS_DIRS) {
1939 snprintf(err_buf, sizeof err_buf,
1940 "ERROR: at most %d %s args may be specified\n",
1941 MAX_BASIS_DIRS, alt_dest_opt(0));
1944 /* We defer sanitizing this arg until we know what
1945 * our destination directory is going to be. */
1946 basis_dir[basis_dir_cnt++] = (char *)poptGetOptArg(pc);
1950 arg = poptGetOptArg(pc);
1951 if (!parse_chmod(arg, &chmod_modes)) {
1952 snprintf(err_buf, sizeof err_buf,
1953 "Invalid argument passed to --chmod (%s)\n",
1960 arg = poptGetOptArg(pc);
1961 parse_output_words(info_words, info_levels, arg, USER_PRIORITY);
1965 arg = poptGetOptArg(pc);
1966 parse_output_words(debug_words, debug_levels, arg, USER_PRIORITY);
1971 if (usermap_via_chown) {
1972 snprintf(err_buf, sizeof err_buf,
1973 "--usermap conflicts with prior --chown.\n");
1976 snprintf(err_buf, sizeof err_buf,
1977 "You can only specify --usermap once.\n");
1980 usermap = (char *)poptGetOptArg(pc);
1981 usermap_via_chown = False;
1986 if (groupmap_via_chown) {
1987 snprintf(err_buf, sizeof err_buf,
1988 "--groupmap conflicts with prior --chown.\n");
1991 snprintf(err_buf, sizeof err_buf,
1992 "You can only specify --groupmap once.\n");
1995 groupmap = (char *)poptGetOptArg(pc);
1996 groupmap_via_chown = False;
2000 const char *chown = poptGetOptArg(pc);
2002 if ((arg = strchr(chown, ':')) != NULL)
2003 len = arg++ - chown;
2005 len = strlen(chown);
2008 if (!usermap_via_chown) {
2009 snprintf(err_buf, sizeof err_buf,
2010 "--chown conflicts with prior --usermap.\n");
2013 snprintf(err_buf, sizeof err_buf,
2014 "You can only specify a user-affecting --chown once.\n");
2017 if (asprintf(&usermap, "*:%.*s", len, chown) < 0)
2018 out_of_memory("parse_arguments");
2019 usermap_via_chown = True;
2023 if (!groupmap_via_chown) {
2024 snprintf(err_buf, sizeof err_buf,
2025 "--chown conflicts with prior --groupmap.\n");
2028 snprintf(err_buf, sizeof err_buf,
2029 "You can only specify a group-affecting --chown once.\n");
2032 if (asprintf(&groupmap, "*:%s", arg) < 0)
2033 out_of_memory("parse_arguments");
2034 groupmap_via_chown = True;
2049 /* FIXME: this should probably be ignored with a
2050 * warning and then countermeasures taken to
2051 * restrict group and other access in the presence
2052 * of any more restrictive ACLs, but this is safe
2054 snprintf(err_buf,sizeof(err_buf),
2055 "ACLs are not supported on this %s\n",
2056 am_server ? "server" : "client");
2061 #ifdef SUPPORT_XATTRS
2065 snprintf(err_buf,sizeof(err_buf),
2066 "extended attributes are not supported on this %s\n",
2067 am_server ? "server" : "client");
2071 case OPT_STOP_AFTER: {
2073 arg = poptGetOptArg(pc);
2074 stop_at_utime = time(NULL);
2075 if ((val = atol(arg) * 60) <= 0 || LONG_MAX - val < stop_at_utime || (long)(time_t)val != val) {
2076 snprintf(err_buf, sizeof err_buf, "invalid --stop-after value: %s\n", arg);
2079 stop_at_utime += val;
2085 arg = poptGetOptArg(pc);
2086 if ((stop_at_utime = parse_time(arg)) == (time_t)-1) {
2087 snprintf(err_buf, sizeof err_buf, "invalid --stop-at format: %s\n", arg);
2090 if (stop_at_utime <= time(NULL)) {
2091 snprintf(err_buf, sizeof err_buf, "--stop-at time is not in the future: %s\n", arg);
2098 /* A large opt value means that set_refuse_options()
2099 * turned this option off. */
2100 if (opt >= OPT_REFUSED_BASE) {
2101 create_refuse_error(opt);
2104 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
2105 am_server ? "on remote machine: " : "",
2106 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
2112 if (version_opt_cnt) {
2113 print_rsync_version(FINFO);
2117 if (!max_alloc_arg) {
2118 max_alloc_arg = getenv("RSYNC_MAX_ALLOC");
2119 if (max_alloc_arg && !*max_alloc_arg)
2120 max_alloc_arg = NULL;
2122 if (max_alloc_arg) {
2123 ssize_t size = parse_size_arg(max_alloc_arg, 'B', "max-alloc", 1024*1024, -1, True);
2129 if (protect_args < 0) {
2132 else if ((arg = getenv("RSYNC_PROTECT_ARGS")) != NULL && *arg)
2133 protect_args = atoi(arg) ? 1 : 0;
2135 #ifdef RSYNC_USE_PROTECTED_ARGS
2143 if (checksum_choice && strcasecmp(checksum_choice, "auto") != 0 && strcasecmp(checksum_choice, "auto,auto") != 0) {
2144 /* Call this early to verify the args and figure out if we need to force
2145 * --whole-file. Note that the parse function will get called again later,
2146 * just in case an "auto" choice needs to know the protocol_version. */
2147 parse_checksum_choice(0);
2149 checksum_choice = NULL;
2151 if (human_readable > 1 && argc == 2 && !am_server) {
2152 /* Allow the old meaning of 'h' (--help) on its own. */
2157 if (!compress_choice && do_compression > 1)
2158 compress_choice = "zlibx";
2159 if (compress_choice && strcasecmp(compress_choice, "auto") != 0)
2160 parse_compress_choice(0); /* Twiddles do_compression and can possibly NULL-out compress_choice. */
2162 compress_choice = NULL;
2164 if (do_compression || do_compression_level != CLVL_NOT_SPECIFIED) {
2165 if (!do_compression)
2166 do_compression = CPRES_AUTO;
2167 if (do_compression && refused_compress) {
2168 create_refuse_error(refused_compress);
2174 if (outbuf_mode && !am_server) {
2175 int mode = *(uchar *)outbuf_mode;
2177 mode = toupper(mode);
2178 fflush(stdout); /* Just in case... */
2180 case 'N': /* None */
2181 case 'U': /* Unbuffered */
2184 case 'L': /* Line */
2187 case 'B': /* Block */
2188 case 'F': /* Full */
2192 snprintf(err_buf, sizeof err_buf,
2193 "Invalid --outbuf setting -- specify N, L, or B.\n");
2196 setvbuf(stdout, (char *)NULL, mode, 0);
2199 if (msgs2stderr == 1) { /* Are all messages going to stderr? */
2200 /* Make stderr line buffered for better sharing of the stream. */
2201 fflush(stderr); /* Just in case... */
2202 setvbuf(stderr, (char *)NULL, _IOLBF, 0);
2206 set_output_verbosity(verbose, DEFAULT_PRIORITY);
2209 parse_output_words(info_words, info_levels,
2210 verbose > 1 ? "stats3" : "stats2", DEFAULT_PRIORITY);
2214 if (iconv_opt && protect_args != 2) {
2215 if (!am_server && strcmp(iconv_opt, "-") == 0)
2218 need_unsorted_flist = 1;
2220 if (refused_no_iconv && !iconv_opt) {
2221 create_refuse_error(refused_no_iconv);
2226 if (fuzzy_basis > 1)
2227 fuzzy_basis = basis_dir_cnt + 1;
2229 /* Don't let the client reset protect_args if it was already processed */
2230 if (orig_protect_args == 2 && am_server)
2231 protect_args = orig_protect_args;
2233 if (protect_args == 1 && am_server)
2236 *argv_p = argv = poptGetArgs(pc);
2237 *argc_p = argc = count_args(argv);
2239 #ifndef SUPPORT_LINKS
2240 if (preserve_links && !am_sender) {
2241 snprintf(err_buf, sizeof err_buf,
2242 "symlinks are not supported on this %s\n",
2243 am_server ? "server" : "client");
2248 #ifndef SUPPORT_HARD_LINKS
2249 if (preserve_hard_links) {
2250 snprintf(err_buf, sizeof err_buf,
2251 "hard links are not supported on this %s\n",
2252 am_server ? "server" : "client");
2257 #ifdef SUPPORT_XATTRS
2258 if (am_root < 0 && preserve_xattrs > 1) {
2259 snprintf(err_buf, sizeof err_buf,
2260 "--fake-super conflicts with -XX\n");
2265 snprintf(err_buf, sizeof err_buf,
2266 "--fake-super requires an rsync with extended attributes enabled\n");
2271 if (write_batch && read_batch) {
2272 snprintf(err_buf, sizeof err_buf,
2273 "--write-batch and --read-batch can not be used together\n");
2276 if (write_batch > 0 || read_batch) {
2279 "ignoring --%s-batch option sent to server\n",
2280 write_batch ? "write" : "read");
2281 /* We don't actually exit_cleanup(), so that we can
2282 * still service older version clients that still send
2283 * batch args to server. */
2284 read_batch = write_batch = 0;
2288 } else if (write_batch < 0 && dry_run)
2290 if (read_batch && files_from) {
2291 snprintf(err_buf, sizeof err_buf,
2292 "--read-batch cannot be used with --files-from\n");
2295 if (read_batch && remove_source_files) {
2296 snprintf(err_buf, sizeof err_buf,
2297 "--read-batch cannot be used with --remove-%s-files\n",
2298 remove_source_files == 1 ? "source" : "sent");
2301 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
2302 snprintf(err_buf, sizeof err_buf,
2303 "the batch-file name must be %d characters or less.\n",
2304 MAX_BATCH_NAME_LEN);
2308 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
2309 snprintf(err_buf, sizeof err_buf,
2310 "the --temp-dir path is WAY too long.\n");
2314 if (max_delete < 0 && max_delete != INT_MIN) {
2315 /* Negative numbers are treated as "no deletions". */
2320 if (recurse == 1) /* preserve recurse == 2 */
2326 if (argc < 2 && !read_batch && !am_server)
2329 if (xfer_dirs >= 4) {
2330 parse_filter_str(&filter_list, "- /*/*", rule_template(0), 0);
2331 recurse = xfer_dirs = 1;
2334 else if (xfer_dirs < 0)
2335 xfer_dirs = list_only ? 1 : 0;
2337 if (relative_paths < 0)
2338 relative_paths = files_from? 1 : 0;
2339 if (!relative_paths)
2342 if (delete_before + !!delete_during + delete_after > 1) {
2343 snprintf(err_buf, sizeof err_buf,
2344 "You may not combine multiple --delete-WHEN options.\n");
2347 if (delete_before || delete_during || delete_after)
2349 else if (delete_mode || delete_excluded) {
2350 /* Only choose now between before & during if one is refused. */
2351 if (refused_delete_before) {
2352 if (!refused_delete_during)
2355 create_refuse_error(refused_delete_before);
2358 } else if (refused_delete_during)
2362 if (!xfer_dirs && delete_mode) {
2363 snprintf(err_buf, sizeof err_buf,
2364 "--delete does not work without --recursive (-r) or --dirs (-d).\n");
2368 if (missing_args == 3) /* simplify if both options were specified */
2370 if (refused_delete && (delete_mode || missing_args == 2)) {
2371 create_refuse_error(refused_delete);
2375 if (remove_source_files) {
2376 /* We only want to infer this refusal of --remove-source-files
2377 * via the refusal of "delete", not any of the "delete-FOO"
2379 if (refused_delete && am_sender) {
2380 create_refuse_error(refused_delete);
2383 need_messages_from_generator = 1;
2386 if (munge_symlinks && !am_daemon) {
2388 char prefix[SYMLINK_PREFIX_LEN]; /* NOT +1 ! */
2389 strlcpy(prefix, SYMLINK_PREFIX, sizeof prefix); /* trim the trailing slash */
2390 if (do_stat(prefix, &st) == 0 && S_ISDIR(st.st_mode)) {
2391 rprintf(FERROR, "Symlink munging is unsafe when a %s directory exists.\n",
2393 exit_cleanup(RERR_UNSUPPORTED);
2397 if (sanitize_paths) {
2399 for (i = argc; i-- > 0; )
2400 argv[i] = sanitize_path(NULL, argv[i], "", 0, SP_KEEP_DOT_DIRS);
2402 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0, SP_DEFAULT);
2404 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0, SP_DEFAULT);
2406 if (daemon_filter_list.head && !am_sender) {
2407 filter_rule_list *elp = &daemon_filter_list;
2411 goto options_rejected;
2412 dir = tmpdir + (*tmpdir == '/' ? module_dirlen : 0);
2413 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2414 if (check_filter(elp, FLOG, dir, 1) < 0)
2415 goto options_rejected;
2420 goto options_rejected;
2421 dir = backup_dir + (*backup_dir == '/' ? module_dirlen : 0);
2422 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2423 if (check_filter(elp, FLOG, dir, 1) < 0)
2424 goto options_rejected;
2429 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
2430 backup_suffix_len = strlen(backup_suffix);
2431 if (strchr(backup_suffix, '/') != NULL) {
2432 snprintf(err_buf, sizeof err_buf,
2433 "--suffix cannot contain slashes: %s\n",
2439 make_backups = 1; /* --backup-dir implies --backup */
2440 while (*backup_dir == '.' && backup_dir[1] == '/')
2442 if (*backup_dir == '.' && backup_dir[1] == '\0')
2444 len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
2445 if (len > sizeof backup_dir_buf - 128) {
2446 snprintf(err_buf, sizeof err_buf,
2447 "the --backup-dir path is WAY too long.\n");
2450 backup_dir_len = (int)len;
2451 if (!backup_dir_len) {
2452 backup_dir_len = -1;
2454 } else if (backup_dir_buf[backup_dir_len - 1] != '/') {
2455 backup_dir_buf[backup_dir_len++] = '/';
2456 backup_dir_buf[backup_dir_len] = '\0';
2458 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
2461 /* No need for a suffix or a protect rule. */
2462 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
2463 snprintf(err_buf, sizeof err_buf,
2464 "--suffix cannot be empty %s\n", backup_dir_len < 0
2465 ? "when --backup-dir is the same as the dest dir"
2466 : "without a --backup-dir");
2468 } else if (make_backups && delete_mode && !delete_excluded && !am_server) {
2469 snprintf(backup_dir_buf, sizeof backup_dir_buf,
2470 "P *%s", backup_suffix);
2471 parse_filter_str(&filter_list, backup_dir_buf, rule_template(0), 0);
2474 if (preserve_times) {
2475 preserve_times = PRESERVE_FILE_TIMES;
2476 if (!omit_dir_times)
2477 preserve_times |= PRESERVE_DIR_TIMES;
2478 #ifdef CAN_SET_SYMLINK_TIMES
2479 if (!omit_link_times)
2480 preserve_times |= PRESERVE_LINK_TIMES;
2484 if (make_backups && !backup_dir) {
2485 omit_dir_times = 0; /* Implied, so avoid -O to sender. */
2486 preserve_times &= ~PRESERVE_DIR_TIMES;
2489 if (stdout_format) {
2490 if (am_server && log_format_has(stdout_format, 'I'))
2491 stdout_format_has_i = 2;
2492 else if (log_format_has(stdout_format, 'i'))
2493 stdout_format_has_i = itemize_changes | 1;
2494 if (!log_format_has(stdout_format, 'b')
2495 && !log_format_has(stdout_format, 'c')
2496 && !log_format_has(stdout_format, 'C'))
2497 log_before_transfer = !am_server;
2498 } else if (itemize_changes) {
2499 stdout_format = "%i %n%L";
2500 stdout_format_has_i = itemize_changes;
2501 log_before_transfer = !am_server;
2504 if (do_progress && !am_server) {
2505 if (!log_before_transfer && INFO_EQ(NAME, 0))
2506 parse_output_words(info_words, info_levels, "name", DEFAULT_PRIORITY);
2507 parse_output_words(info_words, info_levels, "flist2,progress", DEFAULT_PRIORITY);
2513 set_io_timeout(io_timeout);
2515 if (INFO_GTE(NAME, 1) && !stdout_format) {
2516 stdout_format = "%n%L";
2517 log_before_transfer = !am_server;
2519 if (stdout_format_has_i || log_format_has(stdout_format, 'o'))
2520 stdout_format_has_o_or_i = 1;
2522 if (logfile_name && !am_daemon) {
2523 if (!logfile_format) {
2524 logfile_format = "%i %n%L";
2525 logfile_format_has_i = logfile_format_has_o_or_i = 1;
2527 if (log_format_has(logfile_format, 'i'))
2528 logfile_format_has_i = 1;
2529 if (logfile_format_has_i || log_format_has(logfile_format, 'o'))
2530 logfile_format_has_o_or_i = 1;
2533 } else if (!am_daemon)
2534 logfile_format = NULL;
2536 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
2537 bwlimit = daemon_bwlimit;
2539 bwlimit_writemax = (size_t)bwlimit * 128;
2540 if (bwlimit_writemax < 512)
2541 bwlimit_writemax = 512;
2545 if (whole_file > 0) {
2546 snprintf(err_buf, sizeof err_buf,
2547 "--append cannot be used with --whole-file\n");
2550 if (refused_inplace) {
2551 create_refuse_error(refused_inplace);
2557 if (write_devices) {
2558 if (refused_inplace) {
2559 create_refuse_error(refused_inplace);
2565 if (delay_updates && !partial_dir)
2566 partial_dir = tmp_partialdir;
2569 #ifdef HAVE_FTRUNCATE
2571 snprintf(err_buf, sizeof err_buf,
2572 "--%s cannot be used with --%s\n",
2573 append_mode ? "append" : "inplace",
2574 delay_updates ? "delay-updates" : "partial-dir");
2577 /* --inplace implies --partial for refusal purposes, but we
2578 * clear the keep_partial flag for internal logic purposes. */
2579 if (refused_partial) {
2580 create_refuse_error(refused_partial);
2585 snprintf(err_buf, sizeof err_buf,
2586 "--%s is not supported on this %s\n",
2587 append_mode ? "append" : "inplace",
2588 am_server ? "server" : "client");
2592 if (keep_partial && !partial_dir && !am_server) {
2593 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
2594 partial_dir = strdup(arg);
2598 clean_fname(partial_dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2599 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
2601 if (!partial_dir && refused_partial) {
2602 create_refuse_error(refused_partial);
2612 if (argc > 2 || (!am_daemon && !am_server && argc == 1)) {
2614 exit_cleanup(RERR_SYNTAX);
2616 if (strcmp(files_from, "-") == 0) {
2619 filesfrom_host = ""; /* reading from socket */
2620 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
2622 snprintf(err_buf, sizeof err_buf,
2623 "The --files-from sent to the server cannot specify a host.\n");
2628 if (strcmp(files_from, "-") == 0) {
2629 snprintf(err_buf, sizeof err_buf,
2630 "Invalid --files-from remote filename\n");
2635 files_from = sanitize_path(NULL, files_from, NULL, 0, SP_DEFAULT);
2636 if (daemon_filter_list.head) {
2639 goto options_rejected;
2640 dir = files_from + (*files_from == '/' ? module_dirlen : 0);
2641 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2642 if (check_filter(&daemon_filter_list, FLOG, dir, 0) < 0)
2643 goto options_rejected;
2645 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
2646 if (filesfrom_fd < 0) {
2647 snprintf(err_buf, sizeof err_buf,
2648 "failed to open files-from file %s: %s\n",
2649 files_from, strerror(errno));
2660 snprintf(err_buf, sizeof err_buf,
2661 "Your options have been rejected by the server.\n");
2667 * Construct a filtered list of options to pass through from the
2668 * client to the server.
2670 * This involves setting options that will tell the server how to
2671 * behave, and also filtering out options that are processed only
2674 void server_options(char **args, int *argc_p)
2676 static char argstr[64];
2682 /* This should always remain first on the server's command-line. */
2683 args[ac++] = "--server";
2686 args[ac++] = "--sender";
2694 for (i = 0; i < verbose; i++)
2697 if (quiet && msgs2stderr)
2703 if (!do_xfers) /* Note: NOT "dry_run"! */
2707 if ((xfer_dirs >= 2 && xfer_dirs < 4)
2708 || (xfer_dirs && !recurse && (list_only || (delete_mode && am_sender))))
2713 if (prune_empty_dirs)
2717 if (omit_link_times)
2721 if (fuzzy_basis > 1)
2733 /* We don't need to send --no-whole-file, because it's the
2734 * default for remote transfers, and in any case old versions
2735 * of rsync will not understand it. */
2737 if (preserve_hard_links) {
2739 if (preserve_hard_links > 1)
2746 if (preserve_devices) /* ignore preserve_specials here */
2750 if (preserve_atimes) {
2752 if (preserve_atimes > 1)
2755 #ifdef SUPPORT_CRTIMES
2756 if (preserve_crtimes)
2761 else if (preserve_executability && am_sender)
2767 #ifdef SUPPORT_XATTRS
2768 if (preserve_xattrs) {
2770 if (preserve_xattrs > 1)
2776 if (always_checksum)
2784 if (one_file_system) {
2786 if (one_file_system > 1)
2791 if (do_compression == CPRES_ZLIB)
2794 set_allow_inc_recurse();
2796 /* We don't really know the actual protocol_version at this point,
2797 * but checking the pre-negotiated value allows the user to use a
2798 * --protocol=29 override to avoid the use of this -eFLAGS opt. */
2799 if (protocol_version >= 30) {
2800 /* Use "eFlags" alias so that cull_options doesn't think that these are no-arg option letters. */
2801 #define eFlags argstr
2802 /* We make use of the -e option to let the server know about
2803 * any pre-release protocol version && some behavior flags. */
2805 #if SUBPROTOCOL_VERSION != 0
2806 if (protocol_version == PROTOCOL_VERSION) {
2807 x += snprintf(argstr+x, sizeof argstr - x,
2809 PROTOCOL_VERSION, SUBPROTOCOL_VERSION);
2813 if (allow_inc_recurse)
2815 #ifdef CAN_SET_SYMLINK_TIMES
2816 eFlags[x++] = 'L'; /* symlink time-setting support */
2819 eFlags[x++] = 's'; /* symlink iconv translation support */
2821 eFlags[x++] = 'f'; /* flist I/O-error safety support */
2822 eFlags[x++] = 'x'; /* xattr hardlink optimization not desired */
2823 eFlags[x++] = 'C'; /* support checksum seed order fix */
2824 eFlags[x++] = 'I'; /* support inplace_partial behavior */
2825 eFlags[x++] = 'v'; /* use varint for flist & compat flags; negotiate checksum */
2826 eFlags[x++] = 'u'; /* include name of uid 0 & gid 0 in the id map */
2827 /* NOTE: Avoid using 'V' -- it was the high bit of a write_byte() that became write_varint(). */
2831 if (x >= (int)sizeof argstr) { /* Not possible... */
2832 rprintf(FERROR, "argstr overflow in server_options().\n");
2833 exit_cleanup(RERR_MALLOC);
2839 args[ac++] = argstr;
2843 char *set = strchr(iconv_opt, ',');
2848 if (asprintf(&arg, "--iconv=%s", set) < 0)
2854 if (protect_args && !local_server) /* unprotected args stop here */
2858 args[ac++] = "--list-only";
2860 /* This makes sure that the remote rsync can handle deleting with -d
2861 * sans -r because the --no-r option was added at the same time. */
2862 if (xfer_dirs && !recurse && delete_mode && am_sender)
2863 args[ac++] = "--no-r";
2865 if (do_compression && do_compression_level != CLVL_NOT_SPECIFIED) {
2866 if (asprintf(&arg, "--compress-level=%d", do_compression_level) < 0)
2871 if (preserve_devices) {
2872 /* Note: sending "--devices" would not be backward-compatible. */
2873 if (!preserve_specials)
2874 args[ac++] = "--no-specials"; /* -D is already set. */
2875 } else if (preserve_specials)
2876 args[ac++] = "--specials";
2878 /* The server side doesn't use our log-format, but in certain
2879 * circumstances they need to know a little about the option. */
2880 if (stdout_format && am_sender) {
2881 /* Use --log-format, not --out-format, for compatibility. */
2882 if (stdout_format_has_i > 1)
2883 args[ac++] = "--log-format=%i%I";
2884 else if (stdout_format_has_i)
2885 args[ac++] = "--log-format=%i";
2886 else if (stdout_format_has_o_or_i)
2887 args[ac++] = "--log-format=%o";
2889 args[ac++] = "--log-format=X";
2892 if (msgs2stderr == 1)
2893 args[ac++] = "--msgs2stderr";
2894 else if (msgs2stderr == 0)
2895 args[ac++] = "--no-msgs2stderr";
2898 if (asprintf(&arg, "-B%u", (int)block_size) < 0)
2904 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
2910 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
2916 args[ac++] = "--backup-dir";
2917 args[ac++] = backup_dir;
2920 /* Only send --suffix if it specifies a non-default value. */
2921 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
2922 /* We use the following syntax to avoid weirdness with '~'. */
2923 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
2928 if (checksum_choice) {
2929 if (asprintf(&arg, "--checksum-choice=%s", checksum_choice) < 0)
2934 if (do_compression == CPRES_ZLIBX)
2935 args[ac++] = "--new-compress";
2936 else if (compress_choice && do_compression == CPRES_ZLIB)
2937 args[ac++] = "--old-compress";
2938 else if (compress_choice) {
2939 if (asprintf(&arg, "--compress-choice=%s", compress_choice) < 0)
2945 if (max_delete > 0) {
2946 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
2949 } else if (max_delete == 0)
2950 args[ac++] = "--max-delete=-1";
2951 if (min_size >= 0) {
2952 args[ac++] = "--min-size";
2953 args[ac++] = min_size_arg;
2955 if (max_size >= 0) {
2956 args[ac++] = "--max-size";
2957 args[ac++] = max_size_arg;
2960 args[ac++] = "--delete-before";
2961 else if (delete_during == 2)
2962 args[ac++] = "--delete-delay";
2963 else if (delete_during)
2964 args[ac++] = "--delete-during";
2965 else if (delete_after)
2966 args[ac++] = "--delete-after";
2967 else if (delete_mode && !delete_excluded)
2968 args[ac++] = "--delete";
2969 if (delete_excluded)
2970 args[ac++] = "--delete-excluded";
2972 args[ac++] = "--force";
2973 if (write_batch < 0)
2974 args[ac++] = "--only-write-batch=X";
2976 args[ac++] = "--super";
2978 args[ac++] = "--size-only";
2980 args[ac++] = "--stats";
2982 if (skip_compress) {
2983 if (asprintf(&arg, "--skip-compress=%s", skip_compress) < 0)
2989 if (max_alloc_arg && max_alloc != DEFAULT_MAX_ALLOC) {
2990 args[ac++] = "--max-alloc";
2991 args[ac++] = max_alloc_arg;
2994 /* --delete-missing-args needs the cooperation of both sides, but
2995 * the sender can handle --ignore-missing-args by itself. */
2996 if (missing_args == 2)
2997 args[ac++] = "--delete-missing-args";
2998 else if (missing_args == 1 && !am_sender)
2999 args[ac++] = "--ignore-missing-args";
3001 if (modify_window_set && am_sender) {
3002 char *fmt = modify_window < 0 ? "-@%d" : "--modify-window=%d";
3003 if (asprintf(&arg, fmt, modify_window) < 0)
3008 if (checksum_seed) {
3009 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
3014 if (partial_dir && am_sender) {
3015 if (partial_dir != tmp_partialdir) {
3016 args[ac++] = "--partial-dir";
3017 args[ac++] = partial_dir;
3020 args[ac++] = "--delay-updates";
3021 } else if (keep_partial && am_sender)
3022 args[ac++] = "--partial";
3025 args[ac++] = "--ignore-errors";
3027 if (copy_unsafe_links)
3028 args[ac++] = "--copy-unsafe-links";
3031 args[ac++] = "--safe-links";
3034 args[ac++] = "--numeric-ids";
3037 args[ac++] = "--use-qsort";
3041 if (asprintf(&arg, "--usermap=%s", usermap) < 0)
3047 if (asprintf(&arg, "--groupmap=%s", groupmap) < 0)
3052 if (ignore_existing)
3053 args[ac++] = "--ignore-existing";
3055 /* Backward compatibility: send --existing, not --ignore-non-existing. */
3056 if (ignore_non_existing)
3057 args[ac++] = "--existing";
3060 args[ac++] = "--temp-dir";
3061 args[ac++] = tmpdir;
3065 /* the server only needs this option if it is not the sender,
3066 * and it may be an older version that doesn't know this
3067 * option, so don't send it if client is the sender.
3069 for (i = 0; i < basis_dir_cnt; i++) {
3070 args[ac++] = alt_dest_opt(0);
3071 args[ac++] = basis_dir[i];
3076 /* What flags do we need to send to the other side? */
3077 where = (am_server ? W_CLI : W_SRV) | (am_sender ? W_REC : W_SND);
3078 arg = make_output_option(info_words, info_levels, where);
3083 if (append_mode > 1)
3084 args[ac++] = "--append";
3085 args[ac++] = "--append";
3087 args[ac++] = "--inplace";
3089 if (files_from && (!am_sender || filesfrom_host)) {
3090 if (filesfrom_host) {
3091 args[ac++] = "--files-from";
3092 args[ac++] = files_from;
3094 args[ac++] = "--from0";
3096 args[ac++] = "--files-from=-";
3097 args[ac++] = "--from0";
3099 if (!relative_paths)
3100 args[ac++] = "--no-relative";
3102 /* It's OK that this checks the upper-bound of the protocol_version. */
3103 if (relative_paths && !implied_dirs && (!am_sender || protocol_version >= 30))
3104 args[ac++] = "--no-implied-dirs";
3106 if (write_devices && am_sender)
3107 args[ac++] = "--write-devices";
3109 if (remove_source_files == 1)
3110 args[ac++] = "--remove-source-files";
3111 else if (remove_source_files)
3112 args[ac++] = "--remove-sent-files";
3114 if (preallocate_files && am_sender)
3115 args[ac++] = "--preallocate";
3117 if (open_noatime && preserve_atimes <= 1)
3118 args[ac++] = "--open-noatime";
3120 if (mkpath_dest_arg && am_sender)
3121 args[ac++] = "--mkpath";
3123 if (ac > MAX_SERVER_ARGS) { /* Not possible... */
3124 rprintf(FERROR, "argc overflow in server_options().\n");
3125 exit_cleanup(RERR_MALLOC);
3128 if (remote_option_cnt) {
3130 if (ac + remote_option_cnt > MAX_SERVER_ARGS) {
3131 rprintf(FERROR, "too many remote options specified.\n");
3132 exit_cleanup(RERR_SYNTAX);
3134 for (j = 1; j <= remote_option_cnt; j++)
3135 args[ac++] = (char*)remote_options[j];
3142 out_of_memory("server_options");
3145 /* If str points to a valid hostspec, return allocated memory containing the
3146 * [USER@]HOST part of the string, and set the path_start_ptr to the part of
3147 * the string after the host part. Otherwise, return NULL. If port_ptr is
3148 * non-NULL, we must be parsing an rsync:// URL hostname, and we will set
3149 * *port_ptr if a port number is found. Note that IPv6 IPs will have their
3150 * (required for parsing) [ and ] chars elided from the returned string. */
3151 static char *parse_hostspec(char *str, char **path_start_ptr, int *port_ptr)
3153 char *s, *host_start = str;
3154 int hostlen = 0, userlen = 0;
3157 for (s = str; ; s++) {
3159 /* It is only OK if we run out of string with rsync:// */
3163 hostlen = s - host_start;
3166 if (*s == ':' || *s == '/') {
3168 hostlen = s - host_start;
3172 } else if (port_ptr) {
3173 *port_ptr = atoi(s);
3174 while (isDigit(s)) s++;
3175 if (*s && *s++ != '/')
3181 userlen = s - str + 1;
3183 } else if (*s == '[') {
3184 if (s != host_start++)
3186 while (*s && *s != ']' && *s != '/') s++; /*SHARED ITERATOR*/
3187 hostlen = s - host_start;
3188 if (*s != ']' || (s[1] && s[1] != '/' && s[1] != ':') || !hostlen)
3193 *path_start_ptr = s;
3194 ret = new_array(char, userlen + hostlen + 1);
3196 strlcpy(ret, str, userlen + 1);
3197 strlcpy(ret + userlen, host_start, hostlen + 1);
3201 /* Look for a HOST specification of the form "HOST:PATH", "HOST::PATH", or
3202 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
3203 * memory with the HOST. If a daemon-accessing spec was specified, the value
3204 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
3205 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
3206 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
3207 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
3208 char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
3212 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
3213 *host_ptr = parse_hostspec(s + strlen(URL_PREFIX), &path, port_ptr);
3216 *port_ptr = -1; /* -1 indicates they want the default */
3221 *host_ptr = parse_hostspec(s, &path, NULL);
3226 if (port_ptr && !*port_ptr)