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.
28 extern int local_server;
29 extern int sanitize_paths;
30 extern unsigned int module_dirlen;
31 extern filter_rule_list filter_list;
32 extern filter_rule_list daemon_filter_list;
37 * If 1, send the whole file as literal data rather than trying to
38 * create an incremental diff.
40 * If -1, then look at whether we're local or remote and go by that.
42 * @sa disable_deltas_p()
47 int keep_dirlinks = 0;
48 int copy_dirlinks = 0;
50 int write_devices = 0;
51 int preserve_links = 0;
52 int preserve_hard_links = 0;
53 int preserve_acls = 0;
54 int preserve_xattrs = 0;
55 int preserve_perms = 0;
56 int preserve_executability = 0;
57 int preserve_devices = 0;
58 int preserve_specials = 0;
61 int preserve_mtimes = 0;
62 int preserve_atimes = 0;
63 int preserve_crtimes = 0;
64 int omit_dir_times = 0;
65 int omit_link_times = 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 saw_stderr_opt = 0;
95 int allow_8bit_chars = 0;
98 int prune_empty_dirs = 0;
100 char *files_from = NULL;
101 int filesfrom_fd = -1;
102 char *filesfrom_host = NULL;
104 int protect_args = -1;
105 int human_readable = 1;
107 int mkpath_dest_arg = 0;
108 int allow_inc_recurse = 1;
111 int connect_timeout = 0;
112 int keep_partial = 0;
113 int safe_symlinks = 0;
114 int copy_unsafe_links = 0;
115 int munge_symlinks = 0;
117 int daemon_bwlimit = 0;
120 size_t bwlimit_writemax = 0;
121 int ignore_existing = 0;
122 int ignore_non_existing = 0;
123 int need_messages_from_generator = 0;
124 int max_delete = INT_MIN;
127 int ignore_errors = 0;
128 int modify_window = 0;
129 int blocking_io = -1;
130 int checksum_seed = 0;
132 int delay_updates = 0;
133 int32 block_size = 0;
134 time_t stop_at_utime = 0;
135 char *skip_compress = NULL;
136 char *copy_as = NULL;
137 item_list dparam_list = EMPTY_ITEM_LIST;
139 /** Network address family. **/
142 = 0; /* Any protocol */
144 = AF_INET; /* Must use IPv4 */
148 # define AF_INET6 AF_INET /* make -6 option a no-op */
151 /** Do not go into the background when run as --daemon. Good
152 * for debugging and required for running as a service on W32,
153 * or under Unix process-monitors. **/
155 #if defined _WIN32 || defined __WIN32__
163 int backup_dir_len = 0;
164 int backup_suffix_len;
165 unsigned int backup_dir_remainder;
167 char *backup_suffix = NULL;
169 char *partial_dir = NULL;
170 char *basis_dir[MAX_BASIS_DIRS+1];
171 char *config_file = NULL;
172 char *shell_cmd = NULL;
173 char *logfile_name = NULL;
174 char *logfile_format = NULL;
175 char *stdout_format = NULL;
176 char *password_file = NULL;
177 char *early_input_file = NULL;
178 char *rsync_path = RSYNC_PATH;
179 char *backup_dir = NULL;
180 char backup_dir_buf[MAXPATHLEN];
181 char *sockopts = NULL;
182 char *usermap = NULL;
183 char *groupmap = NULL;
185 int alt_dest_type = 0;
186 int basis_dir_cnt = 0;
188 #define DEFAULT_MAX_ALLOC (1024L * 1024 * 1024)
189 size_t max_alloc = DEFAULT_MAX_ALLOC;
192 static int version_opt_cnt = 0;
193 static int remote_option_alloc = 0;
194 int remote_option_cnt = 0;
195 const char **remote_options = NULL;
196 const char *checksum_choice = NULL;
197 const char *compress_choice = NULL;
201 int log_before_transfer = 0;
202 int stdout_format_has_i = 0;
203 int stdout_format_has_o_or_i = 0;
204 int logfile_format_has_i = 0;
205 int logfile_format_has_o_or_i = 0;
206 int always_checksum = 0;
209 #define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
210 char *batch_name = NULL;
212 int need_unsorted_flist = 0;
220 struct chmod_mode_struct *chmod_modes = NULL;
222 static const char *debug_verbosity[] = {
225 /*2*/ "BIND,CMD,CONNECT,DEL,DELTASUM,DUP,FILTER,FLIST,ICONV",
226 /*3*/ "ACL,BACKUP,CONNECT2,DELTASUM2,DEL2,EXIT,FILTER2,FLIST2,FUZZY,GENR,OWN,RECV,SEND,TIME",
227 /*4*/ "CMD2,DELTASUM3,DEL3,EXIT2,FLIST3,ICONV2,OWN2,PROTO,TIME2",
228 /*5*/ "CHDIR,DELTASUM4,FLIST4,FUZZY2,HASH,HLINK",
231 #define MAX_VERBOSITY ((int)(sizeof debug_verbosity / sizeof debug_verbosity[0]) - 1)
233 static const char *info_verbosity[1+MAX_VERBOSITY] = {
235 /*1*/ "COPY,DEL,FLIST,MISC,NAME,STATS,SYMSAFE",
236 /*2*/ "BACKUP,MISC2,MOUNT,NAME2,REMOVE,SKIP",
239 #define MAX_OUT_LEVEL 4 /* The largest N allowed for any flagN word. */
241 short info_levels[COUNT_INFO], debug_levels[COUNT_DEBUG];
243 #define DEFAULT_PRIORITY 0 /* Default/implied/--verbose set values. */
244 #define HELP_PRIORITY 1 /* The help output uses this level. */
245 #define USER_PRIORITY 2 /* User-specified via --info or --debug */
246 #define LIMIT_PRIORITY 3 /* Overriding priority when limiting values. */
248 #define W_CLI (1<<0) /* client side */
249 #define W_SRV (1<<1) /* server side */
250 #define W_SND (1<<2) /* sending side */
251 #define W_REC (1<<3) /* receiving side */
253 struct output_struct {
254 char *name; /* The name of the info/debug flag. */
255 char *help; /* The description of the info/debug flag. */
256 uchar namelen; /* The length of the name string. */
257 uchar flag; /* The flag's value, for consistency check. */
258 uchar where; /* Bits indicating where the flag is used. */
259 uchar priority; /* See *_PRIORITY defines. */
262 #define INFO_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, INFO_##flag, where, 0 }
264 static struct output_struct info_words[COUNT_INFO+1] = {
265 INFO_WORD(BACKUP, W_REC, "Mention files backed up"),
266 INFO_WORD(COPY, W_REC, "Mention files copied locally on the receiving side"),
267 INFO_WORD(DEL, W_REC, "Mention deletions on the receiving side"),
268 INFO_WORD(FLIST, W_CLI, "Mention file-list receiving/sending (levels 1-2)"),
269 INFO_WORD(MISC, W_SND|W_REC, "Mention miscellaneous information (levels 1-2)"),
270 INFO_WORD(MOUNT, W_SND|W_REC, "Mention mounts that were found or skipped"),
271 INFO_WORD(NAME, W_SND|W_REC, "Mention 1) updated file/dir names, 2) unchanged names"),
272 INFO_WORD(NONREG, W_REC, "Mention skipped non-regular files (default 1, 0 disables)"),
273 INFO_WORD(PROGRESS, W_CLI, "Mention 1) per-file progress or 2) total transfer progress"),
274 INFO_WORD(REMOVE, W_SND, "Mention files removed on the sending side"),
275 INFO_WORD(SKIP, W_REC, "Mention files skipped due to transfer overrides (levels 1-2)"),
276 INFO_WORD(STATS, W_CLI|W_SRV, "Mention statistics at end of run (levels 1-3)"),
277 INFO_WORD(SYMSAFE, W_SND|W_REC, "Mention symlinks that are unsafe"),
278 { NULL, "--info", 0, 0, 0, 0 }
281 #define DEBUG_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, DEBUG_##flag, where, 0 }
283 static struct output_struct debug_words[COUNT_DEBUG+1] = {
284 DEBUG_WORD(ACL, W_SND|W_REC, "Debug extra ACL info"),
285 DEBUG_WORD(BACKUP, W_REC, "Debug backup actions (levels 1-2)"),
286 DEBUG_WORD(BIND, W_CLI, "Debug socket bind actions"),
287 DEBUG_WORD(CHDIR, W_CLI|W_SRV, "Debug when the current directory changes"),
288 DEBUG_WORD(CONNECT, W_CLI, "Debug connection events (levels 1-2)"),
289 DEBUG_WORD(CMD, W_CLI, "Debug commands+options that are issued (levels 1-2)"),
290 DEBUG_WORD(DEL, W_REC, "Debug delete actions (levels 1-3)"),
291 DEBUG_WORD(DELTASUM, W_SND|W_REC, "Debug delta-transfer checksumming (levels 1-4)"),
292 DEBUG_WORD(DUP, W_REC, "Debug weeding of duplicate names"),
293 DEBUG_WORD(EXIT, W_CLI|W_SRV, "Debug exit events (levels 1-3)"),
294 DEBUG_WORD(FILTER, W_SND|W_REC, "Debug filter actions (levels 1-2)"),
295 DEBUG_WORD(FLIST, W_SND|W_REC, "Debug file-list operations (levels 1-4)"),
296 DEBUG_WORD(FUZZY, W_REC, "Debug fuzzy scoring (levels 1-2)"),
297 DEBUG_WORD(GENR, W_REC, "Debug generator functions"),
298 DEBUG_WORD(HASH, W_SND|W_REC, "Debug hashtable code"),
299 DEBUG_WORD(HLINK, W_SND|W_REC, "Debug hard-link actions (levels 1-3)"),
300 DEBUG_WORD(ICONV, W_CLI|W_SRV, "Debug iconv character conversions (levels 1-2)"),
301 DEBUG_WORD(IO, W_CLI|W_SRV, "Debug I/O routines (levels 1-4)"),
302 DEBUG_WORD(NSTR, W_CLI|W_SRV, "Debug negotiation strings"),
303 DEBUG_WORD(OWN, W_REC, "Debug ownership changes in users & groups (levels 1-2)"),
304 DEBUG_WORD(PROTO, W_CLI|W_SRV, "Debug protocol information"),
305 DEBUG_WORD(RECV, W_REC, "Debug receiver functions"),
306 DEBUG_WORD(SEND, W_SND, "Debug sender functions"),
307 DEBUG_WORD(TIME, W_REC, "Debug setting of modified times (levels 1-2)"),
308 { NULL, "--debug", 0, 0, 0, 0 }
311 static int verbose = 0;
312 static int do_stats = 0;
313 static int do_progress = 0;
314 static int daemon_opt; /* sets am_daemon after option error-reporting */
315 static int F_option_cnt = 0;
316 static int modify_window_set;
317 static int itemize_changes = 0;
318 static int refused_delete, refused_archive_part, refused_compress;
319 static int refused_partial, refused_progress, refused_delete_before;
320 static int refused_delete_during;
321 static int refused_inplace, refused_no_iconv;
322 static BOOL usermap_via_chown, groupmap_via_chown;
323 static char *outbuf_mode;
324 static char *bwlimit_arg, *max_size_arg, *min_size_arg;
325 static char tmp_partialdir[] = ".~tmp~";
327 /** Local address to bind. As a character string because it's
328 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
329 * address, or a hostname. **/
332 static void output_item_help(struct output_struct *words);
334 /* This constructs a string that represents all the options set for either
335 * the --info or --debug setting, skipping any implied options (by -v, etc.).
336 * This is used both when conveying the user's options to the server, and
337 * when the help output wants to tell the user what options are implied. */
338 static char *make_output_option(struct output_struct *words, short *levels, uchar where)
340 char *str = words == info_words ? "--info=" : "--debug=";
341 int j, counts[MAX_OUT_LEVEL+1], pos, skipped = 0, len = 0, max = 0, lev = 0;
342 int word_count = words == info_words ? COUNT_INFO : COUNT_DEBUG;
345 memset(counts, 0, sizeof counts);
347 for (j = 0; words[j].name; j++) {
348 if (words[j].flag != j) {
349 rprintf(FERROR, "rsync: internal error on %s%s: %d != %d\n",
350 words == info_words ? "INFO_" : "DEBUG_",
351 words[j].name, words[j].flag, j);
352 exit_cleanup(RERR_UNSUPPORTED);
354 if (!(words[j].where & where))
356 if (words[j].priority == DEFAULT_PRIORITY) {
357 /* Implied items don't need to be mentioned. */
361 len += len ? 1 : strlen(str);
362 len += strlen(words[j].name);
363 len += levels[j] == 1 ? 0 : 1;
365 if (words[j].priority == HELP_PRIORITY)
366 continue; /* no abbreviating for help */
368 assert(levels[j] <= MAX_OUT_LEVEL);
369 if (++counts[levels[j]] > max) {
370 /* Determine which level has the most items. */
376 /* Sanity check the COUNT_* define against the length of the table. */
377 if (j != word_count) {
378 rprintf(FERROR, "rsync: internal error: %s is wrong! (%d != %d)\n",
379 words == info_words ? "COUNT_INFO" : "COUNT_DEBUG",
381 exit_cleanup(RERR_UNSUPPORTED);
388 buf = new_array(char, len);
391 if (skipped || max < 5)
395 pos += snprintf(buf, len, "%sNONE", str);
397 pos += snprintf(buf, len, "%sALL", str);
399 pos += snprintf(buf, len, "%sALL%d", str, lev);
402 for (j = 0; words[j].name && pos < len; j++) {
403 if (words[j].priority == DEFAULT_PRIORITY || levels[j] == lev || !(words[j].where & where))
408 pos += strlcpy(buf+pos, str, len-pos);
410 pos += strlcpy(buf+pos, words[j].name, len-pos);
411 /* Level 1 is implied by the name alone. */
412 if (levels[j] != 1 && pos < len)
413 buf[pos++] = '0' + levels[j];
421 static void parse_output_words(struct output_struct *words, short *levels, const char *str, uchar priority)
426 for ( ; str; str = s) {
427 if ((s = strchr(str, ',')) != NULL)
434 while (len && isDigit(str+len-1))
437 lev = isDigit(str+len) ? atoi(str+len) : 1;
438 if (lev > MAX_OUT_LEVEL)
440 if (len == 4 && strncasecmp(str, "help", 4) == 0) {
441 output_item_help(words);
444 if (len == 4 && strncasecmp(str, "none", 4) == 0)
446 else if (len == 3 && strncasecmp(str, "all", 3) == 0)
448 for (j = 0; words[j].name; j++) {
450 || (len == words[j].namelen && strncasecmp(str, words[j].name, len) == 0)) {
451 if (priority >= words[j].priority) {
452 words[j].priority = priority;
459 if (len && !words[j].name && !am_server) {
460 rprintf(FERROR, "Unknown %s item: \"%.*s\"\n",
461 words[j].help, len, str);
462 exit_cleanup(RERR_SYNTAX);
467 /* Tell the user what all the info or debug flags mean. */
468 static void output_item_help(struct output_struct *words)
470 short *levels = words == info_words ? info_levels : debug_levels;
471 const char **verbosity = words == info_words ? info_verbosity : debug_verbosity;
472 char buf[128], *opt, *fmt = "%-10s %s\n";
475 reset_output_levels();
477 rprintf(FINFO, "Use OPT or OPT1 for level 1 output, OPT2 for level 2, etc.; OPT0 silences.\n");
478 rprintf(FINFO, "\n");
479 for (j = 0; words[j].name; j++)
480 rprintf(FINFO, fmt, words[j].name, words[j].help);
481 rprintf(FINFO, "\n");
483 snprintf(buf, sizeof buf, "Set all %s options (e.g. all%d)",
484 words[j].help, MAX_OUT_LEVEL);
485 rprintf(FINFO, fmt, "ALL", buf);
487 snprintf(buf, sizeof buf, "Silence all %s options (same as all0)",
489 rprintf(FINFO, fmt, "NONE", buf);
491 rprintf(FINFO, fmt, "HELP", "Output this help message");
492 rprintf(FINFO, "\n");
493 rprintf(FINFO, "Options added at each level of verbosity:\n");
495 for (j = 0; j <= MAX_VERBOSITY; j++) {
496 parse_output_words(words, levels, verbosity[j], HELP_PRIORITY);
497 opt = make_output_option(words, levels, W_CLI|W_SRV|W_SND|W_REC);
499 rprintf(FINFO, "%d) %s\n", j, strchr(opt, '=')+1);
502 reset_output_levels();
506 /* The --verbose option now sets info+debug flags. */
507 static void set_output_verbosity(int level, uchar priority)
511 if (level > MAX_VERBOSITY)
512 level = MAX_VERBOSITY;
514 for (j = 0; j <= level; j++) {
515 parse_output_words(info_words, info_levels, info_verbosity[j], priority);
516 parse_output_words(debug_words, debug_levels, debug_verbosity[j], priority);
520 /* Limit the info+debug flag levels given a verbose-option level limit. */
521 void limit_output_verbosity(int level)
523 short info_limits[COUNT_INFO], debug_limits[COUNT_DEBUG];
526 if (level > MAX_VERBOSITY)
529 memset(info_limits, 0, sizeof info_limits);
530 memset(debug_limits, 0, sizeof debug_limits);
532 /* Compute the level limits in the above arrays. */
533 for (j = 0; j <= level; j++) {
534 parse_output_words(info_words, info_limits, info_verbosity[j], LIMIT_PRIORITY);
535 parse_output_words(debug_words, debug_limits, debug_verbosity[j], LIMIT_PRIORITY);
538 for (j = 0; j < COUNT_INFO; j++) {
539 if (info_levels[j] > info_limits[j])
540 info_levels[j] = info_limits[j];
543 for (j = 0; j < COUNT_DEBUG; j++) {
544 if (debug_levels[j] > debug_limits[j])
545 debug_levels[j] = debug_limits[j];
549 void reset_output_levels(void)
553 memset(info_levels, 0, sizeof info_levels);
554 memset(debug_levels, 0, sizeof debug_levels);
556 for (j = 0; j < COUNT_INFO; j++)
557 info_words[j].priority = DEFAULT_PRIORITY;
559 for (j = 0; j < COUNT_DEBUG; j++)
560 debug_words[j].priority = DEFAULT_PRIORITY;
563 void negate_output_levels(void)
567 for (j = 0; j < COUNT_INFO; j++)
568 info_levels[j] *= -1;
570 for (j = 0; j < COUNT_DEBUG; j++)
571 debug_levels[j] *= -1;
574 enum {OPT_SERVER = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
575 OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP,
576 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD,
577 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
578 OPT_NO_D, OPT_APPEND, OPT_NO_ICONV, OPT_INFO, OPT_DEBUG, OPT_BLOCK_SIZE,
579 OPT_USERMAP, OPT_GROUPMAP, OPT_CHOWN, OPT_BWLIMIT, OPT_STDERR,
580 OPT_OLD_COMPRESS, OPT_NEW_COMPRESS, OPT_NO_COMPRESS,
581 OPT_STOP_AFTER, OPT_STOP_AT,
582 OPT_REFUSED_BASE = 9000};
584 static struct poptOption long_options[] = {
585 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
586 {"help", 0, POPT_ARG_NONE, 0, OPT_HELP, 0, 0 },
587 {"version", 'V', POPT_ARG_NONE, 0, 'V', 0, 0},
588 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
589 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
590 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
591 {"info", 0, POPT_ARG_STRING, 0, OPT_INFO, 0, 0 },
592 {"debug", 0, POPT_ARG_STRING, 0, OPT_DEBUG, 0, 0 },
593 {"stderr", 0, POPT_ARG_STRING, 0, OPT_STDERR, 0, 0 },
594 {"msgs2stderr", 0, POPT_ARG_VAL, &msgs2stderr, 1, 0, 0 },
595 {"no-msgs2stderr", 0, POPT_ARG_VAL, &msgs2stderr, 0, 0, 0 },
596 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
597 {"motd", 0, POPT_ARG_VAL, &output_motd, 1, 0, 0 },
598 {"no-motd", 0, POPT_ARG_VAL, &output_motd, 0, 0, 0 },
599 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
600 {"human-readable", 'h', POPT_ARG_NONE, 0, 'h', 0, 0},
601 {"no-human-readable",0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
602 {"no-h", 0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
603 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
604 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
605 {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 },
606 {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
607 {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
608 {"inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
609 {"no-inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
610 {"i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
611 {"no-i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
612 {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
613 {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
614 {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
615 {"old-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
616 {"old-d", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
617 {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
618 {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
619 {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
620 {"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 },
621 {"acls", 'A', POPT_ARG_NONE, 0, 'A', 0, 0 },
622 {"no-acls", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
623 {"no-A", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
624 {"xattrs", 'X', POPT_ARG_NONE, 0, 'X', 0, 0 },
625 {"no-xattrs", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
626 {"no-X", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
627 {"times", 't', POPT_ARG_VAL, &preserve_mtimes, 1, 0, 0 },
628 {"no-times", 0, POPT_ARG_VAL, &preserve_mtimes, 0, 0, 0 },
629 {"no-t", 0, POPT_ARG_VAL, &preserve_mtimes, 0, 0, 0 },
630 {"atimes", 'U', POPT_ARG_NONE, 0, 'U', 0, 0 },
631 {"no-atimes", 0, POPT_ARG_VAL, &preserve_atimes, 0, 0, 0 },
632 {"no-U", 0, POPT_ARG_VAL, &preserve_atimes, 0, 0, 0 },
633 {"open-noatime", 0, POPT_ARG_VAL, &open_noatime, 1, 0, 0 },
634 {"no-open-noatime", 0, POPT_ARG_VAL, &open_noatime, 0, 0, 0 },
635 {"crtimes", 'N', POPT_ARG_VAL, &preserve_crtimes, 1, 0, 0 },
636 {"no-crtimes", 0, POPT_ARG_VAL, &preserve_crtimes, 0, 0, 0 },
637 {"no-N", 0, POPT_ARG_VAL, &preserve_crtimes, 0, 0, 0 },
638 {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 1, 0, 0 },
639 {"no-omit-dir-times",0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
640 {"no-O", 0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
641 {"omit-link-times", 'J', POPT_ARG_VAL, &omit_link_times, 1, 0, 0 },
642 {"no-omit-link-times",0, POPT_ARG_VAL, &omit_link_times, 0, 0, 0 },
643 {"no-J", 0, POPT_ARG_VAL, &omit_link_times, 0, 0, 0 },
644 {"modify-window", '@', POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
645 {"super", 0, POPT_ARG_VAL, &am_root, 2, 0, 0 },
646 {"no-super", 0, POPT_ARG_VAL, &am_root, 0, 0, 0 },
647 {"fake-super", 0, POPT_ARG_VAL, &am_root, -1, 0, 0 },
648 {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 },
649 {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
650 {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
651 {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 },
652 {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
653 {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
654 {0, 'D', POPT_ARG_NONE, 0, 'D', 0, 0 },
655 {"no-D", 0, POPT_ARG_NONE, 0, OPT_NO_D, 0, 0 },
656 {"devices", 0, POPT_ARG_VAL, &preserve_devices, 1, 0, 0 },
657 {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
658 {"write-devices", 0, POPT_ARG_VAL, &write_devices, 1, 0, 0 },
659 {"no-write-devices", 0, POPT_ARG_VAL, &write_devices, 0, 0, 0 },
660 {"specials", 0, POPT_ARG_VAL, &preserve_specials, 1, 0, 0 },
661 {"no-specials", 0, POPT_ARG_VAL, &preserve_specials, 0, 0, 0 },
662 {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 },
663 {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
664 {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
665 {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 },
666 {"copy-unsafe-links",0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 },
667 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
668 {"munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 1, 0, 0 },
669 {"no-munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 0, 0, 0 },
670 {"copy-dirlinks", 'k', POPT_ARG_NONE, ©_dirlinks, 0, 0, 0 },
671 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
672 {"hard-links", 'H', POPT_ARG_NONE, 0, 'H', 0, 0 },
673 {"no-hard-links", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
674 {"no-H", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
675 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
676 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
677 {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
678 {"implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
679 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
680 {"i-d", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
681 {"no-i-d", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
682 {"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 },
683 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
684 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
685 {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 },
686 {"no-one-file-system",0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
687 {"no-x", 0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
688 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
689 {"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
690 {"ignore-non-existing",0,POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
691 {"ignore-existing", 0, POPT_ARG_NONE, &ignore_existing, 0, 0, 0 },
692 {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
693 {"min-size", 0, POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 },
694 {"max-alloc", 0, POPT_ARG_STRING, &max_alloc_arg, 0, 0, 0 },
695 {"sparse", 'S', POPT_ARG_VAL, &sparse_files, 1, 0, 0 },
696 {"no-sparse", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
697 {"no-S", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
698 {"preallocate", 0, POPT_ARG_NONE, &preallocate_files, 0, 0, 0},
699 {"inplace", 0, POPT_ARG_VAL, &inplace, 1, 0, 0 },
700 {"no-inplace", 0, POPT_ARG_VAL, &inplace, 0, 0, 0 },
701 {"append", 0, POPT_ARG_NONE, 0, OPT_APPEND, 0, 0 },
702 {"append-verify", 0, POPT_ARG_VAL, &append_mode, 2, 0, 0 },
703 {"no-append", 0, POPT_ARG_VAL, &append_mode, 0, 0, 0 },
704 {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
705 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
706 {"delete-before", 0, POPT_ARG_NONE, &delete_before, 0, 0, 0 },
707 {"delete-during", 0, POPT_ARG_VAL, &delete_during, 1, 0, 0 },
708 {"delete-delay", 0, POPT_ARG_VAL, &delete_during, 2, 0, 0 },
709 {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
710 {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
711 {"delete-missing-args",0,POPT_BIT_SET, &missing_args, 2, 0, 0 },
712 {"ignore-missing-args",0,POPT_BIT_SET, &missing_args, 1, 0, 0 },
713 {"remove-sent-files",0, POPT_ARG_VAL, &remove_source_files, 2, 0, 0 }, /* deprecated */
714 {"remove-source-files",0,POPT_ARG_VAL, &remove_source_files, 1, 0, 0 },
715 {"force", 0, POPT_ARG_VAL, &force_delete, 1, 0, 0 },
716 {"no-force", 0, POPT_ARG_VAL, &force_delete, 0, 0, 0 },
717 {"ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 1, 0, 0 },
718 {"no-ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 0, 0, 0 },
719 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
720 {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
721 {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
722 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
723 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
724 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
725 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
726 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
727 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
728 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
729 {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
730 {"checksum", 'c', POPT_ARG_VAL, &always_checksum, 1, 0, 0 },
731 {"no-checksum", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
732 {"no-c", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
733 {"checksum-choice", 0, POPT_ARG_STRING, &checksum_choice, 0, 0, 0 },
734 {"cc", 0, POPT_ARG_STRING, &checksum_choice, 0, 0, 0 },
735 {"block-size", 'B', POPT_ARG_STRING, 0, OPT_BLOCK_SIZE, 0, 0 },
736 {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
737 {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
738 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
739 {"fuzzy", 'y', POPT_ARG_NONE, 0, 'y', 0, 0 },
740 {"no-fuzzy", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
741 {"no-y", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
742 {"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 },
743 {"old-compress", 0, POPT_ARG_NONE, 0, OPT_OLD_COMPRESS, 0, 0 },
744 {"new-compress", 0, POPT_ARG_NONE, 0, OPT_NEW_COMPRESS, 0, 0 },
745 {"no-compress", 0, POPT_ARG_NONE, 0, OPT_NO_COMPRESS, 0, 0 },
746 {"no-z", 0, POPT_ARG_NONE, 0, OPT_NO_COMPRESS, 0, 0 },
747 {"compress-choice", 0, POPT_ARG_STRING, &compress_choice, 0, 0, 0 },
748 {"zc", 0, POPT_ARG_STRING, &compress_choice, 0, 0, 0 },
749 {"skip-compress", 0, POPT_ARG_STRING, &skip_compress, 0, 0, 0 },
750 {"compress-level", 0, POPT_ARG_INT, &do_compression_level, 0, 0, 0 },
751 {"zl", 0, POPT_ARG_INT, &do_compression_level, 0, 0, 0 },
752 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
753 {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 },
754 {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 },
755 {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 },
756 {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 },
757 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
758 {"delay-updates", 0, POPT_ARG_VAL, &delay_updates, 1, 0, 0 },
759 {"no-delay-updates", 0, POPT_ARG_VAL, &delay_updates, 0, 0, 0 },
760 {"prune-empty-dirs",'m', POPT_ARG_VAL, &prune_empty_dirs, 1, 0, 0 },
761 {"no-prune-empty-dirs",0,POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
762 {"no-m", 0, POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
763 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
764 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
765 {"out-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 },
766 {"log-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 }, /* DEPRECATED */
767 {"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 },
768 {"no-itemize-changes",0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
769 {"no-i", 0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
770 {"bwlimit", 0, POPT_ARG_STRING, &bwlimit_arg, OPT_BWLIMIT, 0, 0 },
771 {"no-bwlimit", 0, POPT_ARG_VAL, &bwlimit, 0, 0, 0 },
772 {"backup", 'b', POPT_ARG_VAL, &make_backups, 1, 0, 0 },
773 {"no-backup", 0, POPT_ARG_VAL, &make_backups, 0, 0, 0 },
774 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
775 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
776 {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
777 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
778 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
779 {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
780 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
781 {"from0", '0', POPT_ARG_VAL, &eol_nulls, 1, 0, 0},
782 {"no-from0", 0, POPT_ARG_VAL, &eol_nulls, 0, 0, 0},
783 {"protect-args", 's', POPT_ARG_VAL, &protect_args, 1, 0, 0},
784 {"no-protect-args", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
785 {"no-s", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
786 {"numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 1, 0, 0 },
787 {"no-numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 0, 0, 0 },
788 {"usermap", 0, POPT_ARG_STRING, 0, OPT_USERMAP, 0, 0 },
789 {"groupmap", 0, POPT_ARG_STRING, 0, OPT_GROUPMAP, 0, 0 },
790 {"chown", 0, POPT_ARG_STRING, 0, OPT_CHOWN, 0, 0 },
791 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
792 {"no-timeout", 0, POPT_ARG_VAL, &io_timeout, 0, 0, 0 },
793 {"contimeout", 0, POPT_ARG_INT, &connect_timeout, 0, 0, 0 },
794 {"no-contimeout", 0, POPT_ARG_VAL, &connect_timeout, 0, 0, 0 },
795 {"fsync", 0, POPT_ARG_NONE, &do_fsync, 0, 0, 0 },
796 {"stop-after", 0, POPT_ARG_STRING, 0, OPT_STOP_AFTER, 0, 0 },
797 {"time-limit", 0, POPT_ARG_STRING, 0, OPT_STOP_AFTER, 0, 0 }, /* earlier stop-after name */
798 {"stop-at", 0, POPT_ARG_STRING, 0, OPT_STOP_AT, 0, 0 },
799 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
800 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
801 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
802 {"iconv", 0, POPT_ARG_STRING, &iconv_opt, 0, 0, 0 },
803 {"no-iconv", 0, POPT_ARG_NONE, 0, OPT_NO_ICONV, 0, 0 },
804 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
805 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
806 {"8-bit-output", '8', POPT_ARG_VAL, &allow_8bit_chars, 1, 0, 0 },
807 {"no-8-bit-output", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
808 {"no-8", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
809 {"mkpath", 0, POPT_ARG_VAL, &mkpath_dest_arg, 1, 0, 0 },
810 {"no-mkpath", 0, POPT_ARG_VAL, &mkpath_dest_arg, 0, 0, 0 },
811 {"qsort", 0, POPT_ARG_NONE, &use_qsort, 0, 0, 0 },
812 {"copy-as", 0, POPT_ARG_STRING, ©_as, 0, 0, 0 },
813 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
814 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
815 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
816 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
817 {"early-input", 0, POPT_ARG_STRING, &early_input_file, 0, 0, 0 },
818 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
819 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
820 {"outbuf", 0, POPT_ARG_STRING, &outbuf_mode, 0, 0, 0 },
821 {"remote-option", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
822 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
823 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
824 {"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 },
825 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
826 /* All the following options switch us into daemon-mode option-parsing. */
827 {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
828 {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
829 {"dparam", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
830 {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
831 {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
835 static struct poptOption long_daemon_options[] = {
836 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
837 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
838 {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
839 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
840 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
841 {"dparam", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
842 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
843 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
844 {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
845 {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
846 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
847 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
848 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
849 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
850 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
851 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
852 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
853 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
854 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
855 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
856 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
861 static char err_buf[200];
865 * Store the option error message, if any, so that we can log the
866 * connection attempt (which requires parsing the options), and then
867 * show the error later on.
869 void option_error(void)
872 strlcpy(err_buf, "Error parsing options: option may "
873 "be supported on client but not on server?\n",
877 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
883 static void parse_one_refuse_match(int negated, const char *ref, const struct poptOption *list_end)
885 struct poptOption *op;
887 int is_wild = strpbrk(ref, "*?[") != NULL;
892 if (strcmp("a", ref) == 0 || strcmp("archive", ref) == 0) {
897 for (op = long_options; op != list_end; op++) {
898 *shortName = op->shortName;
899 if ((op->longName && wildmatch(ref, op->longName))
900 || (*shortName && wildmatch(ref, shortName))) {
901 if (op->descrip[1] == '*')
902 op->descrip = negated ? "a*" : "r*";
904 op->descrip = negated ? "a=" : "r=";
912 rprintf(FLOG, "No match for refuse-options string \"%s\"\n", ref);
917 * Tweak the option table to disable all options that the rsyncd.conf
918 * file has told us to refuse.
920 static void set_refuse_options(void)
922 struct poptOption *op, *list_end = NULL;
923 char *cp, *ref = lp_refuse_options(module_id);
932 /* We abuse the descrip field in poptOption to make it easy to flag which options
933 * are refused (since we don't use it otherwise). Start by marking all options
934 * as "a"ccepted with a few options also marked as non-wild. */
935 for (op = long_options; ; op++) {
936 const char *longName = op->longName ? op->longName : "";
937 if (!op->longName && !op->shortName) {
942 || op->shortName == 'e' /* Required for compatibility flags */
943 || op->shortName == '0' /* --from0 just modifies --files-from, so refuse that instead (or not) */
944 || op->shortName == 's' /* --protect-args is always OK */
945 || op->shortName == 'n' /* --dry-run is always OK */
946 || strcmp("iconv", longName) == 0
947 || strcmp("no-iconv", longName) == 0
948 || strcmp("checksum-seed", longName) == 0
949 || strcmp("write-devices", longName) == 0 /* disable wild-match (it gets refused below) */
950 || strcmp("log-format", longName) == 0 /* aka out-format (NOT log-file-format) */
951 || strcmp("sender", longName) == 0
952 || strcmp("server", longName) == 0)
953 op->descrip = "a="; /* exact-match only */
955 op->descrip = "a*"; /* wild-card-able */
957 assert(list_end != NULL);
959 if (am_daemon) { /* Refused by default, but can be accepted via a negated exact match. */
960 parse_one_refuse_match(0, "write-devices", list_end);
964 while (*ref == ' ') ref++;
967 if ((cp = strchr(ref, ' ')) != NULL)
969 negated = *ref == '!';
970 if (negated && ref[1])
972 parse_one_refuse_match(negated, ref, list_end);
981 if (!*lp_charset(module_id))
982 parse_one_refuse_match(0, "iconv", list_end);
984 parse_one_refuse_match(0, "log-file*", list_end);
987 #ifndef SUPPORT_ATIMES
988 parse_one_refuse_match(0, "atimes", list_end);
990 #ifndef SUPPORT_HARD_LINKS
991 parse_one_refuse_match(0, "link-dest", list_end);
994 parse_one_refuse_match(0, "stop-at", list_end);
997 parse_one_refuse_match(0, "iconv", list_end);
1000 parse_one_refuse_match(0, "outbuf", list_end);
1002 #ifndef SUPPORT_CRTIMES
1003 parse_one_refuse_match(0, "crtimes", list_end);
1006 /* Now we use the descrip values to actually mark the options for refusal. */
1007 for (op = long_options; op != list_end; op++) {
1008 int refused = op->descrip[0] == 'r';
1012 if (op->argInfo == POPT_ARG_VAL)
1013 op->argInfo = POPT_ARG_NONE;
1014 op->val = (op - long_options) + OPT_REFUSED_BASE;
1015 /* The following flags are set to let us easily check an implied option later in the code. */
1016 switch (op->shortName) {
1017 case 'r': case 'd': case 'l': case 'p':
1018 case 't': case 'g': case 'o': case 'D':
1019 refused_archive_part = op->val;
1022 refused_compress = op->val;
1025 if (strcmp("delete", op->longName) == 0)
1026 refused_delete = op->val;
1027 else if (strcmp("delete-before", op->longName) == 0)
1028 refused_delete_before = op->val;
1029 else if (strcmp("delete-during", op->longName) == 0)
1030 refused_delete_during = op->val;
1031 else if (strcmp("partial", op->longName) == 0)
1032 refused_partial = op->val;
1033 else if (strcmp("progress", op->longName) == 0)
1034 refused_progress = op->val;
1035 else if (strcmp("inplace", op->longName) == 0)
1036 refused_inplace = op->val;
1037 else if (strcmp("no-iconv", op->longName) == 0)
1038 refused_no_iconv = op->val;
1045 static int count_args(const char **argv)
1050 while (argv[i] != NULL)
1057 /* If the size_arg is an invalid string or the value is < min_value, an error
1058 * is put into err_buf & the return is -1. Note that this parser does NOT
1059 * support negative numbers, so a min_value < 0 doesn't make any sense. */
1060 static ssize_t parse_size_arg(const char *size_arg, char def_suf, const char *opt_name,
1061 ssize_t min_value, ssize_t max_value, BOOL unlimited_0)
1063 int reps, mult, len;
1064 const char *arg, *err = "invalid", *min_max = NULL;
1065 ssize_t limit = -1, size = 1;
1067 for (arg = size_arg; isDigit(arg); arg++) {}
1068 if (*arg == '.' || *arg == get_decimal_point()) /* backward compatibility: always allow '.' */
1069 for (arg++; isDigit(arg); arg++) {}
1070 switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) {
1092 if (*arg == 'b' || *arg == 'B')
1094 else if (!*arg || *arg == '+' || *arg == '-')
1096 else if (strncasecmp(arg, "ib", 2) == 0)
1097 mult = 1024, arg += 2;
1102 size *= atof(size_arg);
1103 if ((*arg == '+' || *arg == '-') && arg[1] == '1' && arg != size_arg)
1104 size += atoi(arg), arg += 2;
1107 if (size < 0 || (max_value >= 0 && size > max_value)) {
1113 if (size < min_value && (!unlimited_0 || size != 0)) {
1122 len = snprintf(err_buf, sizeof err_buf - 1, "--%s=%s is %s", opt_name, size_arg, err);
1123 if (min_max && limit >= 0 && len < (int)sizeof err_buf - 10) {
1124 len += snprintf(err_buf + len, sizeof err_buf - len - 1, " (%s: %s%s)",
1125 min_max, do_big_num(limit, 3, NULL),
1126 unlimited_0 && min_max[1] == 'i' ? " or 0 for unlimited" : "");
1128 err_buf[len] = '\n';
1129 err_buf[len+1] = '\0';
1134 /* Allow the user to specify a time in the format yyyy-mm-ddThh:mm while
1135 * also allowing abbreviated data. For instance, if the time is omitted,
1136 * it defaults to midnight. If the date is omitted, it defaults to the
1137 * next possible date in the future with the specified time. Even the
1138 * year or year-month can be omitted, again defaulting to the next date
1139 * in the future that matches the specified information. A 2-digit year
1140 * is also OK, as is using '/' instead of '-'. */
1141 static time_t parse_time(const char *arg)
1144 time_t val, now = time(NULL);
1145 struct tm t, *today = localtime(&now);
1146 int in_date, old_mday, n;
1148 memset(&t, 0, sizeof t);
1149 t.tm_year = t.tm_mon = t.tm_mday = -1;
1150 t.tm_hour = t.tm_min = t.tm_isdst = -1;
1152 if (*cp == 'T' || *cp == 't' || *cp == ':') {
1153 in_date = *cp == ':' ? 0 : -1;
1162 n = n * 10 + *cp++ - '0';
1163 } while (isDigit(cp));
1167 if (t.tm_year != -1)
1169 t.tm_year = t.tm_mon;
1170 t.tm_mon = t.tm_mday;
1174 if (*cp == 'T' || *cp == 't') {
1178 } else if (*cp != '-' && *cp != '/')
1182 if (t.tm_hour != -1)
1184 t.tm_hour = t.tm_min;
1197 if (t.tm_year < 0) {
1198 t.tm_year = today->tm_year;
1200 } else if (t.tm_year < 100) {
1201 while (t.tm_year < today->tm_year)
1206 t.tm_mon = today->tm_mon;
1210 if (t.tm_mday < 0) {
1211 t.tm_mday = today->tm_mday;
1217 t.tm_hour = t.tm_min = 0;
1218 } else if (t.tm_hour < 0) {
1222 t.tm_hour = today->tm_hour;
1226 /* Note that mktime() might change a too-large tm_mday into the start of
1227 * the following month which we need to undo in the following code! */
1228 old_mday = t.tm_mday;
1229 if (t.tm_hour > 23 || t.tm_min > 59
1230 || t.tm_mon < 0 || t.tm_mon >= 12
1231 || t.tm_mday < 1 || t.tm_mday > 31
1232 || (val = mktime(&t)) == (time_t)-1)
1235 while (in_date && (val <= now || t.tm_mday < old_mday)) {
1238 old_mday = ++t.tm_mday;
1241 if (t.tm_mday < old_mday)
1242 t.tm_mday = old_mday; /* The month already got bumped forward */
1243 else if (++t.tm_mon == 12) {
1249 if (t.tm_mday < old_mday) {
1250 /* mon==1 mday==29 got bumped to mon==2 */
1251 if (t.tm_mon != 2 || old_mday != 29)
1259 if ((val = mktime(&t)) == (time_t)-1) {
1260 /* This code shouldn't be needed, as mktime() should auto-round to the next month. */
1261 if (in_date != 3 || t.tm_mday <= 28)
1263 t.tm_mday = old_mday = 1;
1275 static void create_refuse_error(int which)
1279 msg = "The server is configured to refuse";
1281 msg = "The server does not support";
1283 msg = "This rsync does not support";
1285 /* The "which" value is the index + OPT_REFUSED_BASE. */
1286 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
1287 int n = snprintf(err_buf, sizeof err_buf, "%s --%s\n", msg, op->longName) - 1;
1289 snprintf(err_buf + n, sizeof err_buf - n, " (-%c)\n", op->shortName);
1292 /* This is used to make sure that --daemon & --server cannot be aliased to
1293 * something else. These options have always disabled popt aliases for the
1294 * parsing of a daemon or server command-line, but we have to make sure that
1295 * these options cannot vanish so that the alias disabling can take effect. */
1296 static void popt_unalias(poptContext con, const char *opt)
1298 struct poptAlias unalias;
1300 memset(&unalias, 0, sizeof unalias);
1302 unalias.longName = opt + 2; /* point past the leading "--" */
1304 unalias.argv = new_array0(const char*, 2);
1305 unalias.argv[0] = strdup(opt);
1307 poptAddAlias(con, unalias, 0);
1310 char *alt_dest_opt(int type)
1313 type = alt_dest_type;
1317 return "--compare-dest";
1319 return "--copy-dest";
1321 return "--link-dest";
1323 NOISY_DEATH("Unknown alt_dest_opt type");
1328 * Process command line arguments. Called on both local and remote.
1330 * @retval 1 if all options are OK; with globals set to appropriate
1333 * @retval 0 on error, with err_buf containing an explanation
1335 int parse_arguments(int *argc_p, const char ***argv_p)
1337 static poptContext pc;
1338 const char *arg, **argv = *argv_p;
1340 int opt, want_dest_type;
1341 int orig_protect_args = protect_args;
1344 strlcpy(err_buf, "argc is zero!\n", sizeof err_buf);
1348 set_refuse_options();
1351 if (!am_daemon && protect_args <= 0 && (arg = getenv("RSYNC_ICONV")) != NULL && *arg)
1352 iconv_opt = strdup(arg);
1355 /* TODO: Call poptReadDefaultConfig; handle errors. */
1357 /* The context leaks in case of an error, but if there's a
1358 * problem we always exit anyhow. */
1360 poptFreeContext(pc);
1361 pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
1363 poptReadDefaultConfig(pc, 0);
1364 popt_unalias(pc, "--daemon");
1365 popt_unalias(pc, "--server");
1368 while ((opt = poptGetNextOpt(pc)) != -1) {
1369 /* most options are handled automatically by popt;
1370 * only special cases are returned and listed here. */
1379 /* Disable popt aliases on the server side and
1380 * then start parsing the options again. */
1381 poptFreeContext(pc);
1382 pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
1393 exit_cleanup(RERR_SYNTAX);
1401 "Attempt to hack rsync thwarted!\n",
1409 poptFreeContext(pc);
1410 pc = poptGetContext(RSYNC_NAME, argc, argv, long_daemon_options, 0);
1411 while ((opt = poptGetNextOpt(pc)) != -1) {
1415 daemon_usage(FINFO);
1419 arg = poptGetOptArg(pc);
1420 if (!strchr(arg, '=')) {
1422 "--dparam value is missing an '=': %s\n",
1426 cpp = EXPAND_ITEM_LIST(&dparam_list, char *, 4);
1436 "rsync: %s: %s (in daemon mode)\n",
1437 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1443 if (dparam_list.count && !set_dparams(1))
1444 exit_cleanup(RERR_SYNTAX);
1446 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
1447 snprintf(err_buf, sizeof err_buf,
1448 "the --temp-dir path is WAY too long.\n");
1453 rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
1455 rprintf(FERROR, "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
1456 exit_cleanup(RERR_SYNTAX);
1459 *argv_p = argv = poptGetArgs(pc);
1460 *argc_p = argc = count_args(argv);
1466 case OPT_MODIFY_WINDOW:
1467 /* The value has already been set by popt, but
1468 * we need to remember that we're using a
1469 * non-default setting. */
1470 modify_window_set = 1;
1474 parse_filter_str(&filter_list, poptGetOptArg(pc),
1475 rule_template(0), 0);
1479 parse_filter_str(&filter_list, poptGetOptArg(pc),
1480 rule_template(0), XFLG_OLD_PREFIXES);
1484 parse_filter_str(&filter_list, poptGetOptArg(pc),
1485 rule_template(FILTRULE_INCLUDE), XFLG_OLD_PREFIXES);
1488 case OPT_EXCLUDE_FROM:
1489 case OPT_INCLUDE_FROM:
1490 arg = poptGetOptArg(pc);
1492 arg = sanitize_path(NULL, arg, NULL, 0, SP_DEFAULT);
1493 if (daemon_filter_list.head) {
1495 char *cp = strdup(arg);
1499 char *dir = cp + (*cp == '/' ? module_dirlen : 0);
1500 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1501 rej = check_filter(&daemon_filter_list, FLOG, dir, 0) < 0;
1505 goto options_rejected;
1507 parse_filter_file(&filter_list, arg,
1508 rule_template(opt == OPT_INCLUDE_FROM ? FILTRULE_INCLUDE : 0),
1509 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
1513 if (refused_archive_part) {
1514 create_refuse_error(refused_archive_part);
1517 if (!recurse) /* preserve recurse == 2 */
1519 #ifdef SUPPORT_LINKS
1523 preserve_mtimes = 1;
1526 preserve_devices = 1;
1527 preserve_specials = 1;
1531 preserve_devices = preserve_specials = 1;
1535 preserve_devices = preserve_specials = 0;
1543 preserve_hard_links++;
1551 if (++preserve_atimes > 1)
1572 switch (++F_option_cnt) {
1574 parse_filter_str(&filter_list,": /.rsync-filter",rule_template(0),0);
1577 parse_filter_str(&filter_list,"- .rsync-filter",rule_template(0),0);
1583 if (refused_partial || refused_progress) {
1584 create_refuse_error(refused_partial ? refused_partial : refused_progress);
1595 case OPT_OLD_COMPRESS:
1596 compress_choice = "zlib";
1599 case OPT_NEW_COMPRESS:
1600 compress_choice = "zlibx";
1603 case OPT_NO_COMPRESS:
1605 compress_choice = NULL;
1609 arg = poptGetOptArg(pc);
1611 snprintf(err_buf, sizeof err_buf,
1612 "Remote option must start with a dash: %s\n", arg);
1615 if (remote_option_cnt+2 >= remote_option_alloc) {
1616 remote_option_alloc += 16;
1617 remote_options = realloc_array(remote_options,
1618 const char *, remote_option_alloc);
1619 if (!remote_option_cnt)
1620 remote_options[0] = "ARG0";
1622 remote_options[++remote_option_cnt] = arg;
1623 remote_options[remote_option_cnt+1] = NULL;
1626 case OPT_WRITE_BATCH:
1627 /* batch_name is already set */
1631 case OPT_ONLY_WRITE_BATCH:
1632 /* batch_name is already set */
1636 case OPT_READ_BATCH:
1637 /* batch_name is already set */
1647 case OPT_BLOCK_SIZE: {
1648 /* We may not know the real protocol_version at this point if this is the client
1649 * option parsing, but we still want to check it so that the client can specify
1650 * a --protocol=29 option with a larger block size. */
1651 int max_blength = protocol_version < 30 ? OLD_MAX_BLOCK_SIZE : MAX_BLOCK_SIZE;
1653 arg = poptGetOptArg(pc);
1654 if ((size = parse_size_arg(arg, 'b', "block-size", 0, max_blength, False)) < 0)
1656 block_size = (int32)size;
1661 if ((max_size = parse_size_arg(max_size_arg, 'b', "max-size", 0, -1, False)) < 0)
1663 max_size_arg = strdup(do_big_num(max_size, 0, NULL));
1667 if ((min_size = parse_size_arg(min_size_arg, 'b', "min-size", 0, -1, False)) < 0)
1669 min_size_arg = strdup(do_big_num(min_size, 0, NULL));
1673 ssize_t size = parse_size_arg(bwlimit_arg, 'K', "bwlimit", 512, -1, True);
1676 bwlimit_arg = strdup(do_big_num(size, 0, NULL));
1677 bwlimit = (size + 512) / 1024;
1689 want_dest_type = LINK_DEST;
1693 want_dest_type = COPY_DEST;
1696 case OPT_COMPARE_DEST:
1697 want_dest_type = COMPARE_DEST;
1700 if (alt_dest_type && alt_dest_type != want_dest_type) {
1701 snprintf(err_buf, sizeof err_buf,
1702 "ERROR: the %s option conflicts with the %s option\n",
1703 alt_dest_opt(want_dest_type), alt_dest_opt(0));
1706 alt_dest_type = want_dest_type;
1708 if (basis_dir_cnt >= MAX_BASIS_DIRS) {
1709 snprintf(err_buf, sizeof err_buf,
1710 "ERROR: at most %d %s args may be specified\n",
1711 MAX_BASIS_DIRS, alt_dest_opt(0));
1714 /* We defer sanitizing this arg until we know what
1715 * our destination directory is going to be. */
1716 basis_dir[basis_dir_cnt++] = (char *)poptGetOptArg(pc);
1720 arg = poptGetOptArg(pc);
1721 if (!parse_chmod(arg, &chmod_modes)) {
1722 snprintf(err_buf, sizeof err_buf,
1723 "Invalid argument passed to --chmod (%s)\n",
1730 arg = poptGetOptArg(pc);
1731 parse_output_words(info_words, info_levels, arg, USER_PRIORITY);
1735 arg = poptGetOptArg(pc);
1736 parse_output_words(debug_words, debug_levels, arg, USER_PRIORITY);
1741 if (usermap_via_chown) {
1742 snprintf(err_buf, sizeof err_buf,
1743 "--usermap conflicts with prior --chown.\n");
1746 snprintf(err_buf, sizeof err_buf,
1747 "You can only specify --usermap once.\n");
1750 usermap = (char *)poptGetOptArg(pc);
1751 usermap_via_chown = False;
1757 if (groupmap_via_chown) {
1758 snprintf(err_buf, sizeof err_buf,
1759 "--groupmap conflicts with prior --chown.\n");
1762 snprintf(err_buf, sizeof err_buf,
1763 "You can only specify --groupmap once.\n");
1766 groupmap = (char *)poptGetOptArg(pc);
1767 groupmap_via_chown = False;
1772 const char *chown = poptGetOptArg(pc);
1774 if ((arg = strchr(chown, ':')) != NULL)
1775 len = arg++ - chown;
1777 len = strlen(chown);
1780 if (!usermap_via_chown) {
1781 snprintf(err_buf, sizeof err_buf,
1782 "--chown conflicts with prior --usermap.\n");
1785 snprintf(err_buf, sizeof err_buf,
1786 "You can only specify a user-affecting --chown once.\n");
1789 if (asprintf(&usermap, "*:%.*s", len, chown) < 0)
1790 out_of_memory("parse_arguments");
1791 usermap_via_chown = True;
1796 if (!groupmap_via_chown) {
1797 snprintf(err_buf, sizeof err_buf,
1798 "--chown conflicts with prior --groupmap.\n");
1801 snprintf(err_buf, sizeof err_buf,
1802 "You can only specify a group-affecting --chown once.\n");
1805 if (asprintf(&groupmap, "*:%s", arg) < 0)
1806 out_of_memory("parse_arguments");
1807 groupmap_via_chown = True;
1823 /* FIXME: this should probably be ignored with a
1824 * warning and then countermeasures taken to
1825 * restrict group and other access in the presence
1826 * of any more restrictive ACLs, but this is safe
1828 snprintf(err_buf,sizeof(err_buf),
1829 "ACLs are not supported on this %s\n",
1830 am_server ? "server" : "client");
1835 #ifdef SUPPORT_XATTRS
1839 snprintf(err_buf,sizeof(err_buf),
1840 "extended attributes are not supported on this %s\n",
1841 am_server ? "server" : "client");
1845 case OPT_STOP_AFTER: {
1847 arg = poptGetOptArg(pc);
1848 stop_at_utime = time(NULL);
1849 if ((val = atol(arg) * 60) <= 0 || LONG_MAX - val < stop_at_utime || (long)(time_t)val != val) {
1850 snprintf(err_buf, sizeof err_buf, "invalid --stop-after value: %s\n", arg);
1853 stop_at_utime += val;
1859 arg = poptGetOptArg(pc);
1860 if ((stop_at_utime = parse_time(arg)) == (time_t)-1) {
1861 snprintf(err_buf, sizeof err_buf, "invalid --stop-at format: %s\n", arg);
1864 if (stop_at_utime <= time(NULL)) {
1865 snprintf(err_buf, sizeof err_buf, "--stop-at time is not in the future: %s\n", arg);
1873 arg = poptGetOptArg(pc);
1875 if (len && strncmp("errors", arg, len) == 0)
1877 else if (len && strncmp("all", arg, len) == 0)
1879 else if (len && strncmp("client", arg, len) == 0)
1882 snprintf(err_buf, sizeof err_buf,
1883 "--stderr mode \"%s\" is not one of errors, all, or client\n", arg);
1891 /* A large opt value means that set_refuse_options()
1892 * turned this option off. */
1893 if (opt >= OPT_REFUSED_BASE) {
1894 create_refuse_error(opt);
1897 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
1898 am_server ? "on remote machine: " : "",
1899 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1905 if (msgs2stderr != 2)
1908 if (version_opt_cnt) {
1909 print_rsync_version(FINFO);
1913 if (!max_alloc_arg) {
1914 max_alloc_arg = getenv("RSYNC_MAX_ALLOC");
1915 if (max_alloc_arg && !*max_alloc_arg)
1916 max_alloc_arg = NULL;
1918 if (max_alloc_arg) {
1919 ssize_t size = parse_size_arg(max_alloc_arg, 'B', "max-alloc", 1024*1024, -1, True);
1925 if (protect_args < 0) {
1928 else if ((arg = getenv("RSYNC_PROTECT_ARGS")) != NULL && *arg)
1929 protect_args = atoi(arg) ? 1 : 0;
1931 #ifdef RSYNC_USE_PROTECTED_ARGS
1939 if (checksum_choice && strcasecmp(checksum_choice, "auto") != 0 && strcasecmp(checksum_choice, "auto,auto") != 0) {
1940 /* Call this early to verify the args and figure out if we need to force
1941 * --whole-file. Note that the parse function will get called again later,
1942 * just in case an "auto" choice needs to know the protocol_version. */
1943 parse_checksum_choice(0);
1945 checksum_choice = NULL;
1947 if (human_readable > 1 && argc == 2 && !am_server) {
1948 /* Allow the old meaning of 'h' (--help) on its own. */
1953 if (!compress_choice && do_compression > 1)
1954 compress_choice = "zlibx";
1955 if (compress_choice && strcasecmp(compress_choice, "auto") != 0)
1956 parse_compress_choice(0); /* Twiddles do_compression and can possibly NULL-out compress_choice. */
1958 compress_choice = NULL;
1960 if (do_compression || do_compression_level != CLVL_NOT_SPECIFIED) {
1961 if (!do_compression)
1962 do_compression = CPRES_AUTO;
1963 if (do_compression && refused_compress) {
1964 create_refuse_error(refused_compress);
1970 if (outbuf_mode && !am_server) {
1971 int mode = *(uchar *)outbuf_mode;
1973 mode = toupper(mode);
1974 fflush(stdout); /* Just in case... */
1976 case 'N': /* None */
1977 case 'U': /* Unbuffered */
1980 case 'L': /* Line */
1983 case 'B': /* Block */
1984 case 'F': /* Full */
1988 snprintf(err_buf, sizeof err_buf,
1989 "Invalid --outbuf setting -- specify N, L, or B.\n");
1992 setvbuf(stdout, (char *)NULL, mode, 0);
1995 if (msgs2stderr == 1) { /* Are all messages going to stderr? */
1996 /* Make stderr line buffered for better sharing of the stream. */
1997 fflush(stderr); /* Just in case... */
1998 setvbuf(stderr, (char *)NULL, _IOLBF, 0);
2002 set_output_verbosity(verbose, DEFAULT_PRIORITY);
2005 parse_output_words(info_words, info_levels,
2006 verbose > 1 ? "stats3" : "stats2", DEFAULT_PRIORITY);
2010 if (iconv_opt && protect_args != 2) {
2011 if (!am_server && strcmp(iconv_opt, "-") == 0)
2014 need_unsorted_flist = 1;
2016 if (refused_no_iconv && !iconv_opt) {
2017 create_refuse_error(refused_no_iconv);
2022 if (fuzzy_basis > 1)
2023 fuzzy_basis = basis_dir_cnt + 1;
2025 /* Don't let the client reset protect_args if it was already processed */
2026 if (orig_protect_args == 2 && am_server)
2027 protect_args = orig_protect_args;
2029 if (protect_args == 1 && am_server)
2032 *argv_p = argv = poptGetArgs(pc);
2033 *argc_p = argc = count_args(argv);
2035 #ifndef SUPPORT_LINKS
2036 if (preserve_links && !am_sender) {
2037 snprintf(err_buf, sizeof err_buf,
2038 "symlinks are not supported on this %s\n",
2039 am_server ? "server" : "client");
2044 #ifndef SUPPORT_HARD_LINKS
2045 if (preserve_hard_links) {
2046 snprintf(err_buf, sizeof err_buf,
2047 "hard links are not supported on this %s\n",
2048 am_server ? "server" : "client");
2053 #ifdef SUPPORT_XATTRS
2054 if (am_root < 0 && preserve_xattrs > 1) {
2055 snprintf(err_buf, sizeof err_buf,
2056 "--fake-super conflicts with -XX\n");
2061 snprintf(err_buf, sizeof err_buf,
2062 "--fake-super requires an rsync with extended attributes enabled\n");
2067 if (write_batch && read_batch) {
2068 snprintf(err_buf, sizeof err_buf,
2069 "--write-batch and --read-batch can not be used together\n");
2072 if (write_batch > 0 || read_batch) {
2075 "ignoring --%s-batch option sent to server\n",
2076 write_batch ? "write" : "read");
2077 /* We don't actually exit_cleanup(), so that we can
2078 * still service older version clients that still send
2079 * batch args to server. */
2080 read_batch = write_batch = 0;
2084 } else if (write_batch < 0 && dry_run)
2086 if (read_batch && files_from) {
2087 snprintf(err_buf, sizeof err_buf,
2088 "--read-batch cannot be used with --files-from\n");
2091 if (read_batch && remove_source_files) {
2092 snprintf(err_buf, sizeof err_buf,
2093 "--read-batch cannot be used with --remove-%s-files\n",
2094 remove_source_files == 1 ? "source" : "sent");
2097 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
2098 snprintf(err_buf, sizeof err_buf,
2099 "the batch-file name must be %d characters or less.\n",
2100 MAX_BATCH_NAME_LEN);
2104 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
2105 snprintf(err_buf, sizeof err_buf,
2106 "the --temp-dir path is WAY too long.\n");
2110 if (max_delete < 0 && max_delete != INT_MIN) {
2111 /* Negative numbers are treated as "no deletions". */
2116 if (recurse == 1) /* preserve recurse == 2 */
2122 if (argc < 2 && !read_batch && !am_server)
2125 if (xfer_dirs >= 4) {
2126 parse_filter_str(&filter_list, "- /*/*", rule_template(0), 0);
2127 recurse = xfer_dirs = 1;
2130 else if (xfer_dirs < 0)
2131 xfer_dirs = list_only ? 1 : 0;
2133 if (relative_paths < 0)
2134 relative_paths = files_from? 1 : 0;
2135 if (!relative_paths)
2138 if (delete_before + !!delete_during + delete_after > 1) {
2139 snprintf(err_buf, sizeof err_buf,
2140 "You may not combine multiple --delete-WHEN options.\n");
2143 if (delete_before || delete_during || delete_after)
2145 else if (delete_mode || delete_excluded) {
2146 /* Only choose now between before & during if one is refused. */
2147 if (refused_delete_before) {
2148 if (!refused_delete_during)
2151 create_refuse_error(refused_delete_before);
2154 } else if (refused_delete_during)
2158 if (!xfer_dirs && delete_mode) {
2159 snprintf(err_buf, sizeof err_buf,
2160 "--delete does not work without --recursive (-r) or --dirs (-d).\n");
2164 if (missing_args == 3) /* simplify if both options were specified */
2166 if (refused_delete && (delete_mode || missing_args == 2)) {
2167 create_refuse_error(refused_delete);
2171 if (remove_source_files) {
2172 /* We only want to infer this refusal of --remove-source-files
2173 * via the refusal of "delete", not any of the "delete-FOO"
2175 if (refused_delete && am_sender) {
2176 create_refuse_error(refused_delete);
2179 need_messages_from_generator = 1;
2182 if (munge_symlinks && !am_daemon) {
2184 char prefix[SYMLINK_PREFIX_LEN]; /* NOT +1 ! */
2185 strlcpy(prefix, SYMLINK_PREFIX, sizeof prefix); /* trim the trailing slash */
2186 if (do_stat(prefix, &st) == 0 && S_ISDIR(st.st_mode)) {
2187 rprintf(FERROR, "Symlink munging is unsafe when a %s directory exists.\n",
2189 exit_cleanup(RERR_UNSUPPORTED);
2193 if (sanitize_paths) {
2195 for (i = argc; i-- > 0; )
2196 argv[i] = sanitize_path(NULL, argv[i], "", 0, SP_KEEP_DOT_DIRS);
2198 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0, SP_DEFAULT);
2200 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0, SP_DEFAULT);
2202 if (daemon_filter_list.head && !am_sender) {
2203 filter_rule_list *elp = &daemon_filter_list;
2207 goto options_rejected;
2208 dir = tmpdir + (*tmpdir == '/' ? module_dirlen : 0);
2209 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2210 if (check_filter(elp, FLOG, dir, 1) < 0)
2211 goto options_rejected;
2216 goto options_rejected;
2217 dir = backup_dir + (*backup_dir == '/' ? module_dirlen : 0);
2218 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2219 if (check_filter(elp, FLOG, dir, 1) < 0)
2220 goto options_rejected;
2225 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
2226 backup_suffix_len = strlen(backup_suffix);
2227 if (strchr(backup_suffix, '/') != NULL) {
2228 snprintf(err_buf, sizeof err_buf,
2229 "--suffix cannot contain slashes: %s\n",
2235 make_backups = 1; /* --backup-dir implies --backup */
2236 while (*backup_dir == '.' && backup_dir[1] == '/')
2238 if (*backup_dir == '.' && backup_dir[1] == '\0')
2240 len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
2241 if (len > sizeof backup_dir_buf - 128) {
2242 snprintf(err_buf, sizeof err_buf,
2243 "the --backup-dir path is WAY too long.\n");
2246 backup_dir_len = (int)len;
2247 if (!backup_dir_len) {
2248 backup_dir_len = -1;
2250 } else if (backup_dir_buf[backup_dir_len - 1] != '/') {
2251 backup_dir_buf[backup_dir_len++] = '/';
2252 backup_dir_buf[backup_dir_len] = '\0';
2254 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
2257 /* No need for a suffix or a protect rule. */
2258 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
2259 snprintf(err_buf, sizeof err_buf,
2260 "--suffix cannot be empty %s\n", backup_dir_len < 0
2261 ? "when --backup-dir is the same as the dest dir"
2262 : "without a --backup-dir");
2264 } else if (make_backups && delete_mode && !delete_excluded && !am_server) {
2265 snprintf(backup_dir_buf, sizeof backup_dir_buf,
2266 "P *%s", backup_suffix);
2267 parse_filter_str(&filter_list, backup_dir_buf, rule_template(0), 0);
2270 if (make_backups && !backup_dir)
2271 omit_dir_times = -1; /* Implied, so avoid -O to sender. */
2273 if (stdout_format) {
2274 if (am_server && log_format_has(stdout_format, 'I'))
2275 stdout_format_has_i = 2;
2276 else if (log_format_has(stdout_format, 'i'))
2277 stdout_format_has_i = itemize_changes | 1;
2278 if (!log_format_has(stdout_format, 'b')
2279 && !log_format_has(stdout_format, 'c')
2280 && !log_format_has(stdout_format, 'C'))
2281 log_before_transfer = !am_server;
2282 } else if (itemize_changes) {
2283 stdout_format = "%i %n%L";
2284 stdout_format_has_i = itemize_changes;
2285 log_before_transfer = !am_server;
2288 if (do_progress && !am_server) {
2289 if (!log_before_transfer && INFO_EQ(NAME, 0))
2290 parse_output_words(info_words, info_levels, "name", DEFAULT_PRIORITY);
2291 parse_output_words(info_words, info_levels, "flist2,progress", DEFAULT_PRIORITY);
2297 set_io_timeout(io_timeout);
2299 if (INFO_GTE(NAME, 1) && !stdout_format) {
2300 stdout_format = "%n%L";
2301 log_before_transfer = !am_server;
2303 if (stdout_format_has_i || log_format_has(stdout_format, 'o'))
2304 stdout_format_has_o_or_i = 1;
2306 if (logfile_name && !am_daemon) {
2307 if (!logfile_format) {
2308 logfile_format = "%i %n%L";
2309 logfile_format_has_i = logfile_format_has_o_or_i = 1;
2311 if (log_format_has(logfile_format, 'i'))
2312 logfile_format_has_i = 1;
2313 if (logfile_format_has_i || log_format_has(logfile_format, 'o'))
2314 logfile_format_has_o_or_i = 1;
2317 } else if (!am_daemon)
2318 logfile_format = NULL;
2320 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
2321 bwlimit = daemon_bwlimit;
2323 bwlimit_writemax = (size_t)bwlimit * 128;
2324 if (bwlimit_writemax < 512)
2325 bwlimit_writemax = 512;
2329 if (whole_file > 0) {
2330 snprintf(err_buf, sizeof err_buf,
2331 "--append cannot be used with --whole-file\n");
2334 if (refused_inplace) {
2335 create_refuse_error(refused_inplace);
2341 if (write_devices) {
2342 if (refused_inplace) {
2343 create_refuse_error(refused_inplace);
2349 if (delay_updates && !partial_dir)
2350 partial_dir = tmp_partialdir;
2353 #ifdef HAVE_FTRUNCATE
2355 snprintf(err_buf, sizeof err_buf,
2356 "--%s cannot be used with --%s\n",
2357 append_mode ? "append" : "inplace",
2358 delay_updates ? "delay-updates" : "partial-dir");
2361 /* --inplace implies --partial for refusal purposes, but we
2362 * clear the keep_partial flag for internal logic purposes. */
2363 if (refused_partial) {
2364 create_refuse_error(refused_partial);
2369 snprintf(err_buf, sizeof err_buf,
2370 "--%s is not supported on this %s\n",
2371 append_mode ? "append" : "inplace",
2372 am_server ? "server" : "client");
2376 if (keep_partial && !partial_dir && !am_server) {
2377 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
2378 partial_dir = strdup(arg);
2382 clean_fname(partial_dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2383 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
2385 if (!partial_dir && refused_partial) {
2386 create_refuse_error(refused_partial);
2396 if (argc > 2 || (!am_daemon && !am_server && argc == 1)) {
2398 exit_cleanup(RERR_SYNTAX);
2400 if (strcmp(files_from, "-") == 0) {
2403 filesfrom_host = ""; /* reading from socket */
2404 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
2406 snprintf(err_buf, sizeof err_buf,
2407 "The --files-from sent to the server cannot specify a host.\n");
2412 if (strcmp(files_from, "-") == 0) {
2413 snprintf(err_buf, sizeof err_buf,
2414 "Invalid --files-from remote filename\n");
2419 files_from = sanitize_path(NULL, files_from, NULL, 0, SP_DEFAULT);
2420 if (daemon_filter_list.head) {
2423 goto options_rejected;
2424 dir = files_from + (*files_from == '/' ? module_dirlen : 0);
2425 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2426 if (check_filter(&daemon_filter_list, FLOG, dir, 0) < 0)
2427 goto options_rejected;
2429 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
2430 if (filesfrom_fd < 0) {
2431 snprintf(err_buf, sizeof err_buf,
2432 "failed to open files-from file %s: %s\n",
2433 files_from, strerror(errno));
2444 snprintf(err_buf, sizeof err_buf,
2445 "Your options have been rejected by the server.\n");
2451 * Construct a filtered list of options to pass through from the
2452 * client to the server.
2454 * This involves setting options that will tell the server how to
2455 * behave, and also filtering out options that are processed only
2458 void server_options(char **args, int *argc_p)
2460 static char argstr[64];
2466 /* This should always remain first on the server's command-line. */
2467 args[ac++] = "--server";
2470 args[ac++] = "--sender";
2478 for (i = 0; i < verbose; i++)
2481 if (quiet && msgs2stderr)
2487 if (!do_xfers) /* Note: NOT "dry_run"! */
2491 if ((xfer_dirs >= 2 && xfer_dirs < 4)
2492 || (xfer_dirs && !recurse && (list_only || (delete_mode && am_sender))))
2497 if (prune_empty_dirs)
2499 if (omit_dir_times > 0)
2501 if (omit_link_times)
2505 if (fuzzy_basis > 1)
2517 /* We don't need to send --no-whole-file, because it's the
2518 * default for remote transfers, and in any case old versions
2519 * of rsync will not understand it. */
2521 if (preserve_hard_links) {
2523 if (preserve_hard_links > 1)
2530 if (preserve_devices) /* ignore preserve_specials here */
2532 if (preserve_mtimes)
2534 if (preserve_atimes) {
2536 if (preserve_atimes > 1)
2539 #ifdef SUPPORT_CRTIMES
2540 if (preserve_crtimes)
2545 else if (preserve_executability && am_sender)
2551 #ifdef SUPPORT_XATTRS
2552 if (preserve_xattrs) {
2554 if (preserve_xattrs > 1)
2560 if (always_checksum)
2568 if (one_file_system) {
2570 if (one_file_system > 1)
2575 if (do_compression == CPRES_ZLIB)
2578 set_allow_inc_recurse();
2580 /* This '\0'-terminates argstr and makes sure it didn't overflow. */
2581 x += maybe_add_e_option(argstr + x, (int)sizeof argstr - x);
2584 args[ac++] = argstr;
2588 char *set = strchr(iconv_opt, ',');
2593 if (asprintf(&arg, "--iconv=%s", set) < 0)
2599 if (protect_args && !local_server) /* unprotected args stop here */
2603 args[ac++] = "--list-only";
2605 /* This makes sure that the remote rsync can handle deleting with -d
2606 * sans -r because the --no-r option was added at the same time. */
2607 if (xfer_dirs && !recurse && delete_mode && am_sender)
2608 args[ac++] = "--no-r";
2610 if (do_compression && do_compression_level != CLVL_NOT_SPECIFIED) {
2611 if (asprintf(&arg, "--compress-level=%d", do_compression_level) < 0)
2616 if (preserve_devices) {
2617 /* Note: sending "--devices" would not be backward-compatible. */
2618 if (!preserve_specials)
2619 args[ac++] = "--no-specials"; /* -D is already set. */
2620 } else if (preserve_specials)
2621 args[ac++] = "--specials";
2623 /* The server side doesn't use our log-format, but in certain
2624 * circumstances they need to know a little about the option. */
2625 if (stdout_format && am_sender) {
2626 /* Use --log-format, not --out-format, for compatibility. */
2627 if (stdout_format_has_i > 1)
2628 args[ac++] = "--log-format=%i%I";
2629 else if (stdout_format_has_i)
2630 args[ac++] = "--log-format=%i";
2631 else if (stdout_format_has_o_or_i)
2632 args[ac++] = "--log-format=%o";
2634 args[ac++] = "--log-format=X";
2637 if (msgs2stderr == 1)
2638 args[ac++] = "--msgs2stderr";
2639 else if (msgs2stderr == 0)
2640 args[ac++] = "--no-msgs2stderr";
2643 if (asprintf(&arg, "-B%u", (int)block_size) < 0)
2649 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
2655 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
2661 args[ac++] = "--backup-dir";
2662 args[ac++] = backup_dir;
2665 /* Only send --suffix if it specifies a non-default value. */
2666 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
2667 /* We use the following syntax to avoid weirdness with '~'. */
2668 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
2673 if (checksum_choice) {
2674 if (asprintf(&arg, "--checksum-choice=%s", checksum_choice) < 0)
2679 if (do_compression == CPRES_ZLIBX)
2680 args[ac++] = "--new-compress";
2681 else if (compress_choice && do_compression == CPRES_ZLIB)
2682 args[ac++] = "--old-compress";
2683 else if (compress_choice) {
2684 if (asprintf(&arg, "--compress-choice=%s", compress_choice) < 0)
2690 if (max_delete > 0) {
2691 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
2694 } else if (max_delete == 0)
2695 args[ac++] = "--max-delete=-1";
2696 if (min_size >= 0) {
2697 args[ac++] = "--min-size";
2698 args[ac++] = min_size_arg;
2700 if (max_size >= 0) {
2701 args[ac++] = "--max-size";
2702 args[ac++] = max_size_arg;
2705 args[ac++] = "--delete-before";
2706 else if (delete_during == 2)
2707 args[ac++] = "--delete-delay";
2708 else if (delete_during)
2709 args[ac++] = "--delete-during";
2710 else if (delete_after)
2711 args[ac++] = "--delete-after";
2712 else if (delete_mode && !delete_excluded)
2713 args[ac++] = "--delete";
2714 if (delete_excluded)
2715 args[ac++] = "--delete-excluded";
2717 args[ac++] = "--force";
2718 if (write_batch < 0)
2719 args[ac++] = "--only-write-batch=X";
2721 args[ac++] = "--super";
2723 args[ac++] = "--size-only";
2725 args[ac++] = "--stats";
2727 if (skip_compress) {
2728 if (asprintf(&arg, "--skip-compress=%s", skip_compress) < 0)
2734 if (max_alloc_arg && max_alloc != DEFAULT_MAX_ALLOC) {
2735 args[ac++] = "--max-alloc";
2736 args[ac++] = max_alloc_arg;
2739 /* --delete-missing-args needs the cooperation of both sides, but
2740 * the sender can handle --ignore-missing-args by itself. */
2741 if (missing_args == 2)
2742 args[ac++] = "--delete-missing-args";
2743 else if (missing_args == 1 && !am_sender)
2744 args[ac++] = "--ignore-missing-args";
2746 if (modify_window_set && am_sender) {
2747 char *fmt = modify_window < 0 ? "-@%d" : "--modify-window=%d";
2748 if (asprintf(&arg, fmt, modify_window) < 0)
2753 if (checksum_seed) {
2754 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
2759 if (partial_dir && am_sender) {
2760 if (partial_dir != tmp_partialdir) {
2761 args[ac++] = "--partial-dir";
2762 args[ac++] = partial_dir;
2765 args[ac++] = "--delay-updates";
2766 } else if (keep_partial && am_sender)
2767 args[ac++] = "--partial";
2770 args[ac++] = "--ignore-errors";
2772 if (copy_unsafe_links)
2773 args[ac++] = "--copy-unsafe-links";
2776 args[ac++] = "--safe-links";
2779 args[ac++] = "--numeric-ids";
2782 args[ac++] = "--use-qsort";
2786 if (asprintf(&arg, "--usermap=%s", usermap) < 0)
2792 if (asprintf(&arg, "--groupmap=%s", groupmap) < 0)
2797 if (ignore_existing)
2798 args[ac++] = "--ignore-existing";
2800 /* Backward compatibility: send --existing, not --ignore-non-existing. */
2801 if (ignore_non_existing)
2802 args[ac++] = "--existing";
2805 args[ac++] = "--temp-dir";
2806 args[ac++] = tmpdir;
2810 args[ac++] = "--fsync";
2813 /* the server only needs this option if it is not the sender,
2814 * and it may be an older version that doesn't know this
2815 * option, so don't send it if client is the sender.
2817 for (i = 0; i < basis_dir_cnt; i++) {
2818 args[ac++] = alt_dest_opt(0);
2819 args[ac++] = basis_dir[i];
2824 /* What flags do we need to send to the other side? */
2825 where = (am_server ? W_CLI : W_SRV) | (am_sender ? W_REC : W_SND);
2826 arg = make_output_option(info_words, info_levels, where);
2831 if (append_mode > 1)
2832 args[ac++] = "--append";
2833 args[ac++] = "--append";
2834 } else if (inplace) {
2835 args[ac++] = "--inplace";
2836 /* Work around a bug in older rsync versions (on the remote side) for --inplace --sparse */
2837 if (sparse_files && !whole_file)
2838 args[ac++] = "--no-W";
2841 if (files_from && (!am_sender || filesfrom_host)) {
2842 if (filesfrom_host) {
2843 args[ac++] = "--files-from";
2844 args[ac++] = files_from;
2846 args[ac++] = "--from0";
2848 args[ac++] = "--files-from=-";
2849 args[ac++] = "--from0";
2851 if (!relative_paths)
2852 args[ac++] = "--no-relative";
2854 /* It's OK that this checks the upper-bound of the protocol_version. */
2855 if (relative_paths && !implied_dirs && (!am_sender || protocol_version >= 30))
2856 args[ac++] = "--no-implied-dirs";
2858 if (write_devices && am_sender)
2859 args[ac++] = "--write-devices";
2861 if (remove_source_files == 1)
2862 args[ac++] = "--remove-source-files";
2863 else if (remove_source_files)
2864 args[ac++] = "--remove-sent-files";
2866 if (preallocate_files && am_sender)
2867 args[ac++] = "--preallocate";
2869 if (open_noatime && preserve_atimes <= 1)
2870 args[ac++] = "--open-noatime";
2872 if (mkpath_dest_arg && am_sender)
2873 args[ac++] = "--mkpath";
2875 if (ac > MAX_SERVER_ARGS) { /* Not possible... */
2876 rprintf(FERROR, "argc overflow in server_options().\n");
2877 exit_cleanup(RERR_MALLOC);
2880 if (remote_option_cnt) {
2882 if (ac + remote_option_cnt > MAX_SERVER_ARGS) {
2883 rprintf(FERROR, "too many remote options specified.\n");
2884 exit_cleanup(RERR_SYNTAX);
2886 for (j = 1; j <= remote_option_cnt; j++)
2887 args[ac++] = (char*)remote_options[j];
2894 out_of_memory("server_options");
2897 int maybe_add_e_option(char *buf, int buf_len)
2901 /* We don't really know the actual protocol_version at this point,
2902 * but checking the pre-negotiated value allows the user to use a
2903 * --protocol=29 override to avoid the use of this -eFLAGS opt. */
2904 if (protocol_version >= 30 && buf_len > 0) {
2905 /* We make use of the -e option to let the server know about
2906 * any pre-release protocol version && some behavior flags. */
2909 #if SUBPROTOCOL_VERSION != 0
2910 if (protocol_version == PROTOCOL_VERSION)
2911 x += snprintf(buf + x, buf_len - x, "%d.%d", PROTOCOL_VERSION, SUBPROTOCOL_VERSION);
2915 if (allow_inc_recurse)
2917 #ifdef CAN_SET_SYMLINK_TIMES
2918 buf[x++] = 'L'; /* symlink time-setting support */
2921 buf[x++] = 's'; /* symlink iconv translation support */
2923 buf[x++] = 'f'; /* flist I/O-error safety support */
2924 buf[x++] = 'x'; /* xattr hardlink optimization not desired */
2925 buf[x++] = 'C'; /* support checksum seed order fix */
2926 buf[x++] = 'I'; /* support inplace_partial behavior */
2927 buf[x++] = 'v'; /* use varint for flist & compat flags; negotiate checksum */
2928 buf[x++] = 'u'; /* include name of uid 0 & gid 0 in the id map */
2930 /* NOTE: Avoid using 'V' -- it was represented with the high bit of a write_byte() that became a write_varint(). */
2933 if (x >= buf_len) { /* Not possible... */
2934 rprintf(FERROR, "overflow in add_e_flags().\n");
2935 exit_cleanup(RERR_MALLOC);
2943 /* If str points to a valid hostspec, return allocated memory containing the
2944 * [USER@]HOST part of the string, and set the path_start_ptr to the part of
2945 * the string after the host part. Otherwise, return NULL. If port_ptr is
2946 * non-NULL, we must be parsing an rsync:// URL hostname, and we will set
2947 * *port_ptr if a port number is found. Note that IPv6 IPs will have their
2948 * (required for parsing) [ and ] chars elided from the returned string. */
2949 static char *parse_hostspec(char *str, char **path_start_ptr, int *port_ptr)
2951 char *s, *host_start = str;
2952 int hostlen = 0, userlen = 0;
2955 for (s = str; ; s++) {
2957 /* It is only OK if we run out of string with rsync:// */
2961 hostlen = s - host_start;
2964 if (*s == ':' || *s == '/') {
2966 hostlen = s - host_start;
2970 } else if (port_ptr) {
2971 *port_ptr = atoi(s);
2972 while (isDigit(s)) s++;
2973 if (*s && *s++ != '/')
2979 userlen = s - str + 1;
2981 } else if (*s == '[') {
2982 if (s != host_start++)
2984 while (*s && *s != ']' && *s != '/') s++; /*SHARED ITERATOR*/
2985 hostlen = s - host_start;
2986 if (*s != ']' || (s[1] && s[1] != '/' && s[1] != ':') || !hostlen)
2991 *path_start_ptr = s;
2992 ret = new_array(char, userlen + hostlen + 1);
2994 strlcpy(ret, str, userlen + 1);
2995 strlcpy(ret + userlen, host_start, hostlen + 1);
2999 /* Look for a HOST specification of the form "HOST:PATH", "HOST::PATH", or
3000 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
3001 * memory with the HOST. If a daemon-accessing spec was specified, the value
3002 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
3003 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
3004 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
3005 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
3006 char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
3010 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
3011 *host_ptr = parse_hostspec(s + strlen(URL_PREFIX), &path, port_ptr);
3014 *port_ptr = -1; /* -1 indicates they want the default */
3019 *host_ptr = parse_hostspec(s, &path, NULL);
3024 if (port_ptr && !*port_ptr)