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) 2002-2022 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 old_style_args = -1;
106 int human_readable = 1;
108 int mkpath_dest_arg = 0;
109 int allow_inc_recurse = 1;
112 int connect_timeout = 0;
113 int keep_partial = 0;
114 int safe_symlinks = 0;
115 int copy_unsafe_links = 0;
116 int munge_symlinks = 0;
118 int daemon_bwlimit = 0;
121 size_t bwlimit_writemax = 0;
122 int ignore_existing = 0;
123 int ignore_non_existing = 0;
124 int need_messages_from_generator = 0;
125 int max_delete = INT_MIN;
128 int ignore_errors = 0;
129 int modify_window = 0;
130 int blocking_io = -1;
131 int checksum_seed = 0;
133 int delay_updates = 0;
134 int32 block_size = 0;
135 time_t stop_at_utime = 0;
136 char *skip_compress = NULL;
137 char *copy_as = NULL;
138 item_list dparam_list = EMPTY_ITEM_LIST;
140 /** Network address family. **/
143 = 0; /* Any protocol */
145 = AF_INET; /* Must use IPv4 */
149 # define AF_INET6 AF_INET /* make -6 option a no-op */
152 /** Do not go into the background when run as --daemon. Good
153 * for debugging and required for running as a service on W32,
154 * or under Unix process-monitors. **/
156 #if defined _WIN32 || defined __WIN32__
164 int backup_dir_len = 0;
165 int backup_suffix_len;
166 unsigned int backup_dir_remainder;
168 char *backup_suffix = NULL;
170 char *partial_dir = NULL;
171 char *basis_dir[MAX_BASIS_DIRS+1];
172 char *config_file = NULL;
173 char *shell_cmd = NULL;
174 char *logfile_name = NULL;
175 char *logfile_format = NULL;
176 char *stdout_format = NULL;
177 char *password_file = NULL;
178 char *early_input_file = NULL;
179 char *rsync_path = RSYNC_PATH;
180 char *backup_dir = NULL;
181 char backup_dir_buf[MAXPATHLEN];
182 char *sockopts = NULL;
183 char *usermap = NULL;
184 char *groupmap = NULL;
186 int alt_dest_type = 0;
187 int basis_dir_cnt = 0;
189 #define DEFAULT_MAX_ALLOC (1024L * 1024 * 1024)
190 size_t max_alloc = DEFAULT_MAX_ALLOC;
193 static int version_opt_cnt = 0;
194 static int remote_option_alloc = 0;
195 int remote_option_cnt = 0;
196 const char **remote_options = NULL;
197 const char *checksum_choice = NULL;
198 const char *compress_choice = NULL;
202 int log_before_transfer = 0;
203 int stdout_format_has_i = 0;
204 int stdout_format_has_o_or_i = 0;
205 int logfile_format_has_i = 0;
206 int logfile_format_has_o_or_i = 0;
207 int always_checksum = 0;
210 #define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
211 char *batch_name = NULL;
213 int need_unsorted_flist = 0;
221 struct chmod_mode_struct *chmod_modes = NULL;
223 static const char *debug_verbosity[] = {
226 /*2*/ "BIND,CMD,CONNECT,DEL,DELTASUM,DUP,FILTER,FLIST,ICONV",
227 /*3*/ "ACL,BACKUP,CONNECT2,DELTASUM2,DEL2,EXIT,FILTER2,FLIST2,FUZZY,GENR,OWN,RECV,SEND,TIME",
228 /*4*/ "CMD2,DELTASUM3,DEL3,EXIT2,FLIST3,ICONV2,OWN2,PROTO,TIME2",
229 /*5*/ "CHDIR,DELTASUM4,FLIST4,FUZZY2,HASH,HLINK",
232 #define MAX_VERBOSITY ((int)(sizeof debug_verbosity / sizeof debug_verbosity[0]) - 1)
234 static const char *info_verbosity[1+MAX_VERBOSITY] = {
236 /*1*/ "COPY,DEL,FLIST,MISC,NAME,STATS,SYMSAFE",
237 /*2*/ "BACKUP,MISC2,MOUNT,NAME2,REMOVE,SKIP",
240 #define MAX_OUT_LEVEL 4 /* The largest N allowed for any flagN word. */
242 short info_levels[COUNT_INFO], debug_levels[COUNT_DEBUG];
244 #define DEFAULT_PRIORITY 0 /* Default/implied/--verbose set values. */
245 #define HELP_PRIORITY 1 /* The help output uses this level. */
246 #define USER_PRIORITY 2 /* User-specified via --info or --debug */
247 #define LIMIT_PRIORITY 3 /* Overriding priority when limiting values. */
249 #define W_CLI (1<<0) /* client side */
250 #define W_SRV (1<<1) /* server side */
251 #define W_SND (1<<2) /* sending side */
252 #define W_REC (1<<3) /* receiving side */
254 struct output_struct {
255 char *name; /* The name of the info/debug flag. */
256 char *help; /* The description of the info/debug flag. */
257 uchar namelen; /* The length of the name string. */
258 uchar flag; /* The flag's value, for consistency check. */
259 uchar where; /* Bits indicating where the flag is used. */
260 uchar priority; /* See *_PRIORITY defines. */
263 #define INFO_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, INFO_##flag, where, 0 }
265 static struct output_struct info_words[COUNT_INFO+1] = {
266 INFO_WORD(BACKUP, W_REC, "Mention files backed up"),
267 INFO_WORD(COPY, W_REC, "Mention files copied locally on the receiving side"),
268 INFO_WORD(DEL, W_REC, "Mention deletions on the receiving side"),
269 INFO_WORD(FLIST, W_CLI, "Mention file-list receiving/sending (levels 1-2)"),
270 INFO_WORD(MISC, W_SND|W_REC, "Mention miscellaneous information (levels 1-2)"),
271 INFO_WORD(MOUNT, W_SND|W_REC, "Mention mounts that were found or skipped"),
272 INFO_WORD(NAME, W_SND|W_REC, "Mention 1) updated file/dir names, 2) unchanged names"),
273 INFO_WORD(NONREG, W_REC, "Mention skipped non-regular files (default 1, 0 disables)"),
274 INFO_WORD(PROGRESS, W_CLI, "Mention 1) per-file progress or 2) total transfer progress"),
275 INFO_WORD(REMOVE, W_SND, "Mention files removed on the sending side"),
276 INFO_WORD(SKIP, W_REC, "Mention files skipped due to transfer overrides (levels 1-2)"),
277 INFO_WORD(STATS, W_CLI|W_SRV, "Mention statistics at end of run (levels 1-3)"),
278 INFO_WORD(SYMSAFE, W_SND|W_REC, "Mention symlinks that are unsafe"),
279 { NULL, "--info", 0, 0, 0, 0 }
282 #define DEBUG_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, DEBUG_##flag, where, 0 }
284 static struct output_struct debug_words[COUNT_DEBUG+1] = {
285 DEBUG_WORD(ACL, W_SND|W_REC, "Debug extra ACL info"),
286 DEBUG_WORD(BACKUP, W_REC, "Debug backup actions (levels 1-2)"),
287 DEBUG_WORD(BIND, W_CLI, "Debug socket bind actions"),
288 DEBUG_WORD(CHDIR, W_CLI|W_SRV, "Debug when the current directory changes"),
289 DEBUG_WORD(CONNECT, W_CLI, "Debug connection events (levels 1-2)"),
290 DEBUG_WORD(CMD, W_CLI, "Debug commands+options that are issued (levels 1-2)"),
291 DEBUG_WORD(DEL, W_REC, "Debug delete actions (levels 1-3)"),
292 DEBUG_WORD(DELTASUM, W_SND|W_REC, "Debug delta-transfer checksumming (levels 1-4)"),
293 DEBUG_WORD(DUP, W_REC, "Debug weeding of duplicate names"),
294 DEBUG_WORD(EXIT, W_CLI|W_SRV, "Debug exit events (levels 1-3)"),
295 DEBUG_WORD(FILTER, W_SND|W_REC, "Debug filter actions (levels 1-2)"),
296 DEBUG_WORD(FLIST, W_SND|W_REC, "Debug file-list operations (levels 1-4)"),
297 DEBUG_WORD(FUZZY, W_REC, "Debug fuzzy scoring (levels 1-2)"),
298 DEBUG_WORD(GENR, W_REC, "Debug generator functions"),
299 DEBUG_WORD(HASH, W_SND|W_REC, "Debug hashtable code"),
300 DEBUG_WORD(HLINK, W_SND|W_REC, "Debug hard-link actions (levels 1-3)"),
301 DEBUG_WORD(ICONV, W_CLI|W_SRV, "Debug iconv character conversions (levels 1-2)"),
302 DEBUG_WORD(IO, W_CLI|W_SRV, "Debug I/O routines (levels 1-4)"),
303 DEBUG_WORD(NSTR, W_CLI|W_SRV, "Debug negotiation strings"),
304 DEBUG_WORD(OWN, W_REC, "Debug ownership changes in users & groups (levels 1-2)"),
305 DEBUG_WORD(PROTO, W_CLI|W_SRV, "Debug protocol information"),
306 DEBUG_WORD(RECV, W_REC, "Debug receiver functions"),
307 DEBUG_WORD(SEND, W_SND, "Debug sender functions"),
308 DEBUG_WORD(TIME, W_REC, "Debug setting of modified times (levels 1-2)"),
309 { NULL, "--debug", 0, 0, 0, 0 }
312 static int verbose = 0;
313 static int do_stats = 0;
314 static int do_progress = 0;
315 static int daemon_opt; /* sets am_daemon after option error-reporting */
316 static int F_option_cnt = 0;
317 static int modify_window_set;
318 static int itemize_changes = 0;
319 static int refused_delete, refused_archive_part, refused_compress;
320 static int refused_partial, refused_progress, refused_delete_before;
321 static int refused_delete_during;
322 static int refused_inplace, refused_no_iconv;
323 static BOOL usermap_via_chown, groupmap_via_chown;
324 static char *outbuf_mode;
325 static char *bwlimit_arg, *max_size_arg, *min_size_arg;
326 static char tmp_partialdir[] = ".~tmp~";
328 /** Local address to bind. As a character string because it's
329 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
330 * address, or a hostname. **/
333 static void output_item_help(struct output_struct *words);
335 /* This constructs a string that represents all the options set for either
336 * the --info or --debug setting, skipping any implied options (by -v, etc.).
337 * This is used both when conveying the user's options to the server, and
338 * when the help output wants to tell the user what options are implied. */
339 static char *make_output_option(struct output_struct *words, short *levels, uchar where)
341 char *str = words == info_words ? "--info=" : "--debug=";
342 int j, counts[MAX_OUT_LEVEL+1], pos, skipped = 0, len = 0, max = 0, lev = 0;
343 int word_count = words == info_words ? COUNT_INFO : COUNT_DEBUG;
346 memset(counts, 0, sizeof counts);
348 for (j = 0; words[j].name; j++) {
349 if (words[j].flag != j) {
350 rprintf(FERROR, "rsync: internal error on %s%s: %d != %d\n",
351 words == info_words ? "INFO_" : "DEBUG_",
352 words[j].name, words[j].flag, j);
353 exit_cleanup(RERR_UNSUPPORTED);
355 if (!(words[j].where & where))
357 if (words[j].priority == DEFAULT_PRIORITY) {
358 /* Implied items don't need to be mentioned. */
362 len += len ? 1 : strlen(str);
363 len += strlen(words[j].name);
364 len += levels[j] == 1 ? 0 : 1;
366 if (words[j].priority == HELP_PRIORITY)
367 continue; /* no abbreviating for help */
369 assert(levels[j] <= MAX_OUT_LEVEL);
370 if (++counts[levels[j]] > max) {
371 /* Determine which level has the most items. */
377 /* Sanity check the COUNT_* define against the length of the table. */
378 if (j != word_count) {
379 rprintf(FERROR, "rsync: internal error: %s is wrong! (%d != %d)\n",
380 words == info_words ? "COUNT_INFO" : "COUNT_DEBUG",
382 exit_cleanup(RERR_UNSUPPORTED);
389 buf = new_array(char, len);
392 if (skipped || max < 5)
396 pos += snprintf(buf, len, "%sNONE", str);
398 pos += snprintf(buf, len, "%sALL", str);
400 pos += snprintf(buf, len, "%sALL%d", str, lev);
403 for (j = 0; words[j].name && pos < len; j++) {
404 if (words[j].priority == DEFAULT_PRIORITY || levels[j] == lev || !(words[j].where & where))
409 pos += strlcpy(buf+pos, str, len-pos);
411 pos += strlcpy(buf+pos, words[j].name, len-pos);
412 /* Level 1 is implied by the name alone. */
413 if (levels[j] != 1 && pos < len)
414 buf[pos++] = '0' + levels[j];
422 static void parse_output_words(struct output_struct *words, short *levels, const char *str, uchar priority)
427 for ( ; str; str = s) {
428 if ((s = strchr(str, ',')) != NULL)
435 while (len && isDigit(str+len-1))
438 lev = isDigit(str+len) ? atoi(str+len) : 1;
439 if (lev > MAX_OUT_LEVEL)
441 if (len == 4 && strncasecmp(str, "help", 4) == 0) {
442 output_item_help(words);
445 if (len == 4 && strncasecmp(str, "none", 4) == 0)
447 else if (len == 3 && strncasecmp(str, "all", 3) == 0)
449 for (j = 0; words[j].name; j++) {
451 || (len == words[j].namelen && strncasecmp(str, words[j].name, len) == 0)) {
452 if (priority >= words[j].priority) {
453 words[j].priority = priority;
460 if (len && !words[j].name && !am_server) {
461 rprintf(FERROR, "Unknown %s item: \"%.*s\"\n",
462 words[j].help, len, str);
463 exit_cleanup(RERR_SYNTAX);
468 /* Tell the user what all the info or debug flags mean. */
469 static void output_item_help(struct output_struct *words)
471 short *levels = words == info_words ? info_levels : debug_levels;
472 const char **verbosity = words == info_words ? info_verbosity : debug_verbosity;
473 char buf[128], *opt, *fmt = "%-10s %s\n";
476 reset_output_levels();
478 rprintf(FINFO, "Use OPT or OPT1 for level 1 output, OPT2 for level 2, etc.; OPT0 silences.\n");
479 rprintf(FINFO, "\n");
480 for (j = 0; words[j].name; j++)
481 rprintf(FINFO, fmt, words[j].name, words[j].help);
482 rprintf(FINFO, "\n");
484 snprintf(buf, sizeof buf, "Set all %s options (e.g. all%d)",
485 words[j].help, MAX_OUT_LEVEL);
486 rprintf(FINFO, fmt, "ALL", buf);
488 snprintf(buf, sizeof buf, "Silence all %s options (same as all0)",
490 rprintf(FINFO, fmt, "NONE", buf);
492 rprintf(FINFO, fmt, "HELP", "Output this help message");
493 rprintf(FINFO, "\n");
494 rprintf(FINFO, "Options added at each level of verbosity:\n");
496 for (j = 0; j <= MAX_VERBOSITY; j++) {
497 parse_output_words(words, levels, verbosity[j], HELP_PRIORITY);
498 opt = make_output_option(words, levels, W_CLI|W_SRV|W_SND|W_REC);
500 rprintf(FINFO, "%d) %s\n", j, strchr(opt, '=')+1);
503 reset_output_levels();
507 /* The --verbose option now sets info+debug flags. */
508 static void set_output_verbosity(int level, uchar priority)
512 if (level > MAX_VERBOSITY)
513 level = MAX_VERBOSITY;
515 for (j = 0; j <= level; j++) {
516 parse_output_words(info_words, info_levels, info_verbosity[j], priority);
517 parse_output_words(debug_words, debug_levels, debug_verbosity[j], priority);
521 /* Limit the info+debug flag levels given a verbose-option level limit. */
522 void limit_output_verbosity(int level)
524 short info_limits[COUNT_INFO], debug_limits[COUNT_DEBUG];
527 if (level > MAX_VERBOSITY)
530 memset(info_limits, 0, sizeof info_limits);
531 memset(debug_limits, 0, sizeof debug_limits);
533 /* Compute the level limits in the above arrays. */
534 for (j = 0; j <= level; j++) {
535 parse_output_words(info_words, info_limits, info_verbosity[j], LIMIT_PRIORITY);
536 parse_output_words(debug_words, debug_limits, debug_verbosity[j], LIMIT_PRIORITY);
539 for (j = 0; j < COUNT_INFO; j++) {
540 if (info_levels[j] > info_limits[j])
541 info_levels[j] = info_limits[j];
544 for (j = 0; j < COUNT_DEBUG; j++) {
545 if (debug_levels[j] > debug_limits[j])
546 debug_levels[j] = debug_limits[j];
550 void reset_output_levels(void)
554 memset(info_levels, 0, sizeof info_levels);
555 memset(debug_levels, 0, sizeof debug_levels);
557 for (j = 0; j < COUNT_INFO; j++)
558 info_words[j].priority = DEFAULT_PRIORITY;
560 for (j = 0; j < COUNT_DEBUG; j++)
561 debug_words[j].priority = DEFAULT_PRIORITY;
564 void negate_output_levels(void)
568 for (j = 0; j < COUNT_INFO; j++)
569 info_levels[j] *= -1;
571 for (j = 0; j < COUNT_DEBUG; j++)
572 debug_levels[j] *= -1;
575 enum {OPT_SERVER = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
576 OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP,
577 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD,
578 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
579 OPT_NO_D, OPT_APPEND, OPT_NO_ICONV, OPT_INFO, OPT_DEBUG, OPT_BLOCK_SIZE,
580 OPT_USERMAP, OPT_GROUPMAP, OPT_CHOWN, OPT_BWLIMIT, OPT_STDERR,
581 OPT_OLD_COMPRESS, OPT_NEW_COMPRESS, OPT_NO_COMPRESS, OPT_OLD_ARGS,
582 OPT_STOP_AFTER, OPT_STOP_AT,
583 OPT_REFUSED_BASE = 9000};
585 static struct poptOption long_options[] = {
586 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
587 {"help", 0, POPT_ARG_NONE, 0, OPT_HELP, 0, 0 },
588 {"version", 'V', POPT_ARG_NONE, 0, 'V', 0, 0},
589 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
590 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
591 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
592 {"info", 0, POPT_ARG_STRING, 0, OPT_INFO, 0, 0 },
593 {"debug", 0, POPT_ARG_STRING, 0, OPT_DEBUG, 0, 0 },
594 {"stderr", 0, POPT_ARG_STRING, 0, OPT_STDERR, 0, 0 },
595 {"msgs2stderr", 0, POPT_ARG_VAL, &msgs2stderr, 1, 0, 0 },
596 {"no-msgs2stderr", 0, POPT_ARG_VAL, &msgs2stderr, 0, 0, 0 },
597 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
598 {"motd", 0, POPT_ARG_VAL, &output_motd, 1, 0, 0 },
599 {"no-motd", 0, POPT_ARG_VAL, &output_motd, 0, 0, 0 },
600 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
601 {"human-readable", 'h', POPT_ARG_NONE, 0, 'h', 0, 0},
602 {"no-human-readable",0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
603 {"no-h", 0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
604 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
605 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
606 {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 },
607 {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
608 {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
609 {"inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
610 {"no-inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
611 {"i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
612 {"no-i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
613 {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
614 {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
615 {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
616 {"old-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
617 {"old-d", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
618 {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
619 {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
620 {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
621 {"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 },
622 {"acls", 'A', POPT_ARG_NONE, 0, 'A', 0, 0 },
623 {"no-acls", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
624 {"no-A", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
625 {"xattrs", 'X', POPT_ARG_NONE, 0, 'X', 0, 0 },
626 {"no-xattrs", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
627 {"no-X", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
628 {"times", 't', POPT_ARG_VAL, &preserve_mtimes, 1, 0, 0 },
629 {"no-times", 0, POPT_ARG_VAL, &preserve_mtimes, 0, 0, 0 },
630 {"no-t", 0, POPT_ARG_VAL, &preserve_mtimes, 0, 0, 0 },
631 {"atimes", 'U', POPT_ARG_NONE, 0, 'U', 0, 0 },
632 {"no-atimes", 0, POPT_ARG_VAL, &preserve_atimes, 0, 0, 0 },
633 {"no-U", 0, POPT_ARG_VAL, &preserve_atimes, 0, 0, 0 },
634 {"open-noatime", 0, POPT_ARG_VAL, &open_noatime, 1, 0, 0 },
635 {"no-open-noatime", 0, POPT_ARG_VAL, &open_noatime, 0, 0, 0 },
636 {"crtimes", 'N', POPT_ARG_VAL, &preserve_crtimes, 1, 0, 0 },
637 {"no-crtimes", 0, POPT_ARG_VAL, &preserve_crtimes, 0, 0, 0 },
638 {"no-N", 0, POPT_ARG_VAL, &preserve_crtimes, 0, 0, 0 },
639 {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 1, 0, 0 },
640 {"no-omit-dir-times",0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
641 {"no-O", 0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
642 {"omit-link-times", 'J', POPT_ARG_VAL, &omit_link_times, 1, 0, 0 },
643 {"no-omit-link-times",0, POPT_ARG_VAL, &omit_link_times, 0, 0, 0 },
644 {"no-J", 0, POPT_ARG_VAL, &omit_link_times, 0, 0, 0 },
645 {"modify-window", '@', POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
646 {"super", 0, POPT_ARG_VAL, &am_root, 2, 0, 0 },
647 {"no-super", 0, POPT_ARG_VAL, &am_root, 0, 0, 0 },
648 {"fake-super", 0, POPT_ARG_VAL, &am_root, -1, 0, 0 },
649 {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 },
650 {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
651 {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
652 {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 },
653 {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
654 {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
655 {0, 'D', POPT_ARG_NONE, 0, 'D', 0, 0 },
656 {"no-D", 0, POPT_ARG_NONE, 0, OPT_NO_D, 0, 0 },
657 {"devices", 0, POPT_ARG_VAL, &preserve_devices, 1, 0, 0 },
658 {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
659 {"write-devices", 0, POPT_ARG_VAL, &write_devices, 1, 0, 0 },
660 {"no-write-devices", 0, POPT_ARG_VAL, &write_devices, 0, 0, 0 },
661 {"specials", 0, POPT_ARG_VAL, &preserve_specials, 1, 0, 0 },
662 {"no-specials", 0, POPT_ARG_VAL, &preserve_specials, 0, 0, 0 },
663 {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 },
664 {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
665 {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
666 {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 },
667 {"copy-unsafe-links",0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 },
668 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
669 {"munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 1, 0, 0 },
670 {"no-munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 0, 0, 0 },
671 {"copy-dirlinks", 'k', POPT_ARG_NONE, ©_dirlinks, 0, 0, 0 },
672 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
673 {"hard-links", 'H', POPT_ARG_NONE, 0, 'H', 0, 0 },
674 {"no-hard-links", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
675 {"no-H", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
676 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
677 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
678 {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
679 {"implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
680 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
681 {"i-d", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
682 {"no-i-d", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
683 {"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 },
684 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
685 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
686 {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 },
687 {"no-one-file-system",0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
688 {"no-x", 0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
689 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
690 {"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
691 {"ignore-non-existing",0,POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
692 {"ignore-existing", 0, POPT_ARG_NONE, &ignore_existing, 0, 0, 0 },
693 {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
694 {"min-size", 0, POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 },
695 {"max-alloc", 0, POPT_ARG_STRING, &max_alloc_arg, 0, 0, 0 },
696 {"sparse", 'S', POPT_ARG_VAL, &sparse_files, 1, 0, 0 },
697 {"no-sparse", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
698 {"no-S", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
699 {"preallocate", 0, POPT_ARG_NONE, &preallocate_files, 0, 0, 0},
700 {"inplace", 0, POPT_ARG_VAL, &inplace, 1, 0, 0 },
701 {"no-inplace", 0, POPT_ARG_VAL, &inplace, 0, 0, 0 },
702 {"append", 0, POPT_ARG_NONE, 0, OPT_APPEND, 0, 0 },
703 {"append-verify", 0, POPT_ARG_VAL, &append_mode, 2, 0, 0 },
704 {"no-append", 0, POPT_ARG_VAL, &append_mode, 0, 0, 0 },
705 {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
706 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
707 {"delete-before", 0, POPT_ARG_NONE, &delete_before, 0, 0, 0 },
708 {"delete-during", 0, POPT_ARG_VAL, &delete_during, 1, 0, 0 },
709 {"delete-delay", 0, POPT_ARG_VAL, &delete_during, 2, 0, 0 },
710 {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
711 {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
712 {"delete-missing-args",0,POPT_BIT_SET, &missing_args, 2, 0, 0 },
713 {"ignore-missing-args",0,POPT_BIT_SET, &missing_args, 1, 0, 0 },
714 {"remove-sent-files",0, POPT_ARG_VAL, &remove_source_files, 2, 0, 0 }, /* deprecated */
715 {"remove-source-files",0,POPT_ARG_VAL, &remove_source_files, 1, 0, 0 },
716 {"force", 0, POPT_ARG_VAL, &force_delete, 1, 0, 0 },
717 {"no-force", 0, POPT_ARG_VAL, &force_delete, 0, 0, 0 },
718 {"ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 1, 0, 0 },
719 {"no-ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 0, 0, 0 },
720 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
721 {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
722 {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
723 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
724 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
725 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
726 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
727 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
728 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
729 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
730 {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
731 {"checksum", 'c', POPT_ARG_VAL, &always_checksum, 1, 0, 0 },
732 {"no-checksum", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
733 {"no-c", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
734 {"checksum-choice", 0, POPT_ARG_STRING, &checksum_choice, 0, 0, 0 },
735 {"cc", 0, POPT_ARG_STRING, &checksum_choice, 0, 0, 0 },
736 {"block-size", 'B', POPT_ARG_STRING, 0, OPT_BLOCK_SIZE, 0, 0 },
737 {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
738 {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
739 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
740 {"fuzzy", 'y', POPT_ARG_NONE, 0, 'y', 0, 0 },
741 {"no-fuzzy", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
742 {"no-y", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
743 {"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 },
744 {"old-compress", 0, POPT_ARG_NONE, 0, OPT_OLD_COMPRESS, 0, 0 },
745 {"new-compress", 0, POPT_ARG_NONE, 0, OPT_NEW_COMPRESS, 0, 0 },
746 {"no-compress", 0, POPT_ARG_NONE, 0, OPT_NO_COMPRESS, 0, 0 },
747 {"no-z", 0, POPT_ARG_NONE, 0, OPT_NO_COMPRESS, 0, 0 },
748 {"compress-choice", 0, POPT_ARG_STRING, &compress_choice, 0, 0, 0 },
749 {"zc", 0, POPT_ARG_STRING, &compress_choice, 0, 0, 0 },
750 {"skip-compress", 0, POPT_ARG_STRING, &skip_compress, 0, 0, 0 },
751 {"compress-level", 0, POPT_ARG_INT, &do_compression_level, 0, 0, 0 },
752 {"zl", 0, POPT_ARG_INT, &do_compression_level, 0, 0, 0 },
753 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
754 {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 },
755 {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 },
756 {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 },
757 {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 },
758 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
759 {"delay-updates", 0, POPT_ARG_VAL, &delay_updates, 1, 0, 0 },
760 {"no-delay-updates", 0, POPT_ARG_VAL, &delay_updates, 0, 0, 0 },
761 {"prune-empty-dirs",'m', POPT_ARG_VAL, &prune_empty_dirs, 1, 0, 0 },
762 {"no-prune-empty-dirs",0,POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
763 {"no-m", 0, POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
764 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
765 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
766 {"out-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 },
767 {"log-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 }, /* DEPRECATED */
768 {"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 },
769 {"no-itemize-changes",0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
770 {"no-i", 0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
771 {"bwlimit", 0, POPT_ARG_STRING, &bwlimit_arg, OPT_BWLIMIT, 0, 0 },
772 {"no-bwlimit", 0, POPT_ARG_VAL, &bwlimit, 0, 0, 0 },
773 {"backup", 'b', POPT_ARG_VAL, &make_backups, 1, 0, 0 },
774 {"no-backup", 0, POPT_ARG_VAL, &make_backups, 0, 0, 0 },
775 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
776 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
777 {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
778 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
779 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
780 {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
781 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
782 {"from0", '0', POPT_ARG_VAL, &eol_nulls, 1, 0, 0},
783 {"no-from0", 0, POPT_ARG_VAL, &eol_nulls, 0, 0, 0},
784 {"old-args", 0, POPT_ARG_NONE, 0, OPT_OLD_ARGS, 0, 0},
785 {"no-old-args", 0, POPT_ARG_VAL, &old_style_args, 0, 0, 0},
786 {"protect-args", 's', POPT_ARG_VAL, &protect_args, 1, 0, 0},
787 {"no-protect-args", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
788 {"no-s", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
789 {"numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 1, 0, 0 },
790 {"no-numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 0, 0, 0 },
791 {"usermap", 0, POPT_ARG_STRING, 0, OPT_USERMAP, 0, 0 },
792 {"groupmap", 0, POPT_ARG_STRING, 0, OPT_GROUPMAP, 0, 0 },
793 {"chown", 0, POPT_ARG_STRING, 0, OPT_CHOWN, 0, 0 },
794 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
795 {"no-timeout", 0, POPT_ARG_VAL, &io_timeout, 0, 0, 0 },
796 {"contimeout", 0, POPT_ARG_INT, &connect_timeout, 0, 0, 0 },
797 {"no-contimeout", 0, POPT_ARG_VAL, &connect_timeout, 0, 0, 0 },
798 {"fsync", 0, POPT_ARG_NONE, &do_fsync, 0, 0, 0 },
799 {"stop-after", 0, POPT_ARG_STRING, 0, OPT_STOP_AFTER, 0, 0 },
800 {"time-limit", 0, POPT_ARG_STRING, 0, OPT_STOP_AFTER, 0, 0 }, /* earlier stop-after name */
801 {"stop-at", 0, POPT_ARG_STRING, 0, OPT_STOP_AT, 0, 0 },
802 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
803 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
804 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
805 {"iconv", 0, POPT_ARG_STRING, &iconv_opt, 0, 0, 0 },
806 {"no-iconv", 0, POPT_ARG_NONE, 0, OPT_NO_ICONV, 0, 0 },
807 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
808 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
809 {"8-bit-output", '8', POPT_ARG_VAL, &allow_8bit_chars, 1, 0, 0 },
810 {"no-8-bit-output", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
811 {"no-8", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
812 {"mkpath", 0, POPT_ARG_VAL, &mkpath_dest_arg, 1, 0, 0 },
813 {"no-mkpath", 0, POPT_ARG_VAL, &mkpath_dest_arg, 0, 0, 0 },
814 {"qsort", 0, POPT_ARG_NONE, &use_qsort, 0, 0, 0 },
815 {"copy-as", 0, POPT_ARG_STRING, ©_as, 0, 0, 0 },
816 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
817 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
818 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
819 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
820 {"early-input", 0, POPT_ARG_STRING, &early_input_file, 0, 0, 0 },
821 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
822 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
823 {"outbuf", 0, POPT_ARG_STRING, &outbuf_mode, 0, 0, 0 },
824 {"remote-option", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
825 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
826 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
827 {"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 },
828 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
829 /* All the following options switch us into daemon-mode option-parsing. */
830 {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
831 {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
832 {"dparam", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
833 {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
834 {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
838 static struct poptOption long_daemon_options[] = {
839 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
840 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
841 {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
842 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
843 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
844 {"dparam", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
845 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
846 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
847 {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
848 {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
849 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
850 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
851 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
852 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
853 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
854 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
855 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
856 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
857 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
858 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
859 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
864 static char err_buf[200];
868 * Store the option error message, if any, so that we can log the
869 * connection attempt (which requires parsing the options), and then
870 * show the error later on.
872 void option_error(void)
875 strlcpy(err_buf, "Error parsing options: option may "
876 "be supported on client but not on server?\n",
880 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
886 static void parse_one_refuse_match(int negated, const char *ref, const struct poptOption *list_end)
888 struct poptOption *op;
890 int is_wild = strpbrk(ref, "*?[") != NULL;
895 if (strcmp("a", ref) == 0 || strcmp("archive", ref) == 0) {
900 for (op = long_options; op != list_end; op++) {
901 *shortName = op->shortName;
902 if ((op->longName && wildmatch(ref, op->longName))
903 || (*shortName && wildmatch(ref, shortName))) {
904 if (op->descrip[1] == '*')
905 op->descrip = negated ? "a*" : "r*";
907 op->descrip = negated ? "a=" : "r=";
915 rprintf(FLOG, "No match for refuse-options string \"%s\"\n", ref);
920 * Tweak the option table to disable all options that the rsyncd.conf
921 * file has told us to refuse.
923 static void set_refuse_options(void)
925 struct poptOption *op, *list_end = NULL;
926 char *cp, *ref = lp_refuse_options(module_id);
935 /* We abuse the descrip field in poptOption to make it easy to flag which options
936 * are refused (since we don't use it otherwise). Start by marking all options
937 * as "a"ccepted with a few options also marked as non-wild. */
938 for (op = long_options; ; op++) {
939 const char *longName = op->longName ? op->longName : "";
940 if (!op->longName && !op->shortName) {
945 || op->shortName == 'e' /* Required for compatibility flags */
946 || op->shortName == '0' /* --from0 just modifies --files-from, so refuse that instead (or not) */
947 || op->shortName == 's' /* --protect-args is always OK */
948 || op->shortName == 'n' /* --dry-run is always OK */
949 || strcmp("iconv", longName) == 0
950 || strcmp("no-iconv", longName) == 0
951 || strcmp("checksum-seed", longName) == 0
952 || strcmp("write-devices", longName) == 0 /* disable wild-match (it gets refused below) */
953 || strcmp("log-format", longName) == 0 /* aka out-format (NOT log-file-format) */
954 || strcmp("sender", longName) == 0
955 || strcmp("server", longName) == 0)
956 op->descrip = "a="; /* exact-match only */
958 op->descrip = "a*"; /* wild-card-able */
960 assert(list_end != NULL);
962 if (am_daemon) { /* Refused by default, but can be accepted via a negated exact match. */
963 parse_one_refuse_match(0, "write-devices", list_end);
967 while (*ref == ' ') ref++;
970 if ((cp = strchr(ref, ' ')) != NULL)
972 negated = *ref == '!';
973 if (negated && ref[1])
975 parse_one_refuse_match(negated, ref, list_end);
984 if (!*lp_charset(module_id))
985 parse_one_refuse_match(0, "iconv", list_end);
987 parse_one_refuse_match(0, "log-file*", list_end);
990 #ifndef SUPPORT_ATIMES
991 parse_one_refuse_match(0, "atimes", list_end);
993 #ifndef SUPPORT_HARD_LINKS
994 parse_one_refuse_match(0, "link-dest", list_end);
997 parse_one_refuse_match(0, "stop-at", list_end);
1000 parse_one_refuse_match(0, "iconv", list_end);
1002 #ifndef HAVE_SETVBUF
1003 parse_one_refuse_match(0, "outbuf", list_end);
1005 #ifndef SUPPORT_CRTIMES
1006 parse_one_refuse_match(0, "crtimes", list_end);
1009 /* Now we use the descrip values to actually mark the options for refusal. */
1010 for (op = long_options; op != list_end; op++) {
1011 int refused = op->descrip[0] == 'r';
1015 if (op->argInfo == POPT_ARG_VAL)
1016 op->argInfo = POPT_ARG_NONE;
1017 op->val = (op - long_options) + OPT_REFUSED_BASE;
1018 /* The following flags are set to let us easily check an implied option later in the code. */
1019 switch (op->shortName) {
1020 case 'r': case 'd': case 'l': case 'p':
1021 case 't': case 'g': case 'o': case 'D':
1022 refused_archive_part = op->val;
1025 refused_compress = op->val;
1028 if (strcmp("delete", op->longName) == 0)
1029 refused_delete = op->val;
1030 else if (strcmp("delete-before", op->longName) == 0)
1031 refused_delete_before = op->val;
1032 else if (strcmp("delete-during", op->longName) == 0)
1033 refused_delete_during = op->val;
1034 else if (strcmp("partial", op->longName) == 0)
1035 refused_partial = op->val;
1036 else if (strcmp("progress", op->longName) == 0)
1037 refused_progress = op->val;
1038 else if (strcmp("inplace", op->longName) == 0)
1039 refused_inplace = op->val;
1040 else if (strcmp("no-iconv", op->longName) == 0)
1041 refused_no_iconv = op->val;
1048 static int count_args(const char **argv)
1053 while (argv[i] != NULL)
1060 /* If the size_arg is an invalid string or the value is < min_value, an error
1061 * is put into err_buf & the return is -1. Note that this parser does NOT
1062 * support negative numbers, so a min_value < 0 doesn't make any sense. */
1063 static ssize_t parse_size_arg(const char *size_arg, char def_suf, const char *opt_name,
1064 ssize_t min_value, ssize_t max_value, BOOL unlimited_0)
1066 int reps, mult, len;
1067 const char *arg, *err = "invalid", *min_max = NULL;
1068 ssize_t limit = -1, size = 1;
1070 for (arg = size_arg; isDigit(arg); arg++) {}
1071 if (*arg == '.' || *arg == get_decimal_point()) /* backward compatibility: always allow '.' */
1072 for (arg++; isDigit(arg); arg++) {}
1073 switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) {
1095 if (*arg == 'b' || *arg == 'B')
1097 else if (!*arg || *arg == '+' || *arg == '-')
1099 else if (strncasecmp(arg, "ib", 2) == 0)
1100 mult = 1024, arg += 2;
1105 size *= atof(size_arg);
1106 if ((*arg == '+' || *arg == '-') && arg[1] == '1' && arg != size_arg)
1107 size += atoi(arg), arg += 2;
1110 if (size < 0 || (max_value >= 0 && size > max_value)) {
1116 if (size < min_value && (!unlimited_0 || size != 0)) {
1125 len = snprintf(err_buf, sizeof err_buf - 1, "--%s=%s is %s", opt_name, size_arg, err);
1126 if (min_max && limit >= 0 && len < (int)sizeof err_buf - 10) {
1127 len += snprintf(err_buf + len, sizeof err_buf - len - 1, " (%s: %s%s)",
1128 min_max, do_big_num(limit, 3, NULL),
1129 unlimited_0 && min_max[1] == 'i' ? " or 0 for unlimited" : "");
1131 err_buf[len] = '\n';
1132 err_buf[len+1] = '\0';
1137 /* Allow the user to specify a time in the format yyyy-mm-ddThh:mm while
1138 * also allowing abbreviated data. For instance, if the time is omitted,
1139 * it defaults to midnight. If the date is omitted, it defaults to the
1140 * next possible date in the future with the specified time. Even the
1141 * year or year-month can be omitted, again defaulting to the next date
1142 * in the future that matches the specified information. A 2-digit year
1143 * is also OK, as is using '/' instead of '-'. */
1144 static time_t parse_time(const char *arg)
1147 time_t val, now = time(NULL);
1148 struct tm t, *today = localtime(&now);
1149 int in_date, old_mday, n;
1151 memset(&t, 0, sizeof t);
1152 t.tm_year = t.tm_mon = t.tm_mday = -1;
1153 t.tm_hour = t.tm_min = t.tm_isdst = -1;
1155 if (*cp == 'T' || *cp == 't' || *cp == ':') {
1156 in_date = *cp == ':' ? 0 : -1;
1165 n = n * 10 + *cp++ - '0';
1166 } while (isDigit(cp));
1170 if (t.tm_year != -1)
1172 t.tm_year = t.tm_mon;
1173 t.tm_mon = t.tm_mday;
1177 if (*cp == 'T' || *cp == 't') {
1181 } else if (*cp != '-' && *cp != '/')
1185 if (t.tm_hour != -1)
1187 t.tm_hour = t.tm_min;
1200 if (t.tm_year < 0) {
1201 t.tm_year = today->tm_year;
1203 } else if (t.tm_year < 100) {
1204 while (t.tm_year < today->tm_year)
1209 t.tm_mon = today->tm_mon;
1213 if (t.tm_mday < 0) {
1214 t.tm_mday = today->tm_mday;
1220 t.tm_hour = t.tm_min = 0;
1221 } else if (t.tm_hour < 0) {
1225 t.tm_hour = today->tm_hour;
1229 /* Note that mktime() might change a too-large tm_mday into the start of
1230 * the following month which we need to undo in the following code! */
1231 old_mday = t.tm_mday;
1232 if (t.tm_hour > 23 || t.tm_min > 59
1233 || t.tm_mon < 0 || t.tm_mon >= 12
1234 || t.tm_mday < 1 || t.tm_mday > 31
1235 || (val = mktime(&t)) == (time_t)-1)
1238 while (in_date && (val <= now || t.tm_mday < old_mday)) {
1241 old_mday = ++t.tm_mday;
1244 if (t.tm_mday < old_mday)
1245 t.tm_mday = old_mday; /* The month already got bumped forward */
1246 else if (++t.tm_mon == 12) {
1252 if (t.tm_mday < old_mday) {
1253 /* mon==1 mday==29 got bumped to mon==2 */
1254 if (t.tm_mon != 2 || old_mday != 29)
1262 if ((val = mktime(&t)) == (time_t)-1) {
1263 /* This code shouldn't be needed, as mktime() should auto-round to the next month. */
1264 if (in_date != 3 || t.tm_mday <= 28)
1266 t.tm_mday = old_mday = 1;
1278 static void create_refuse_error(int which)
1282 msg = "The server is configured to refuse";
1284 msg = "The server does not support";
1286 msg = "This rsync does not support";
1288 /* The "which" value is the index + OPT_REFUSED_BASE. */
1289 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
1290 int n = snprintf(err_buf, sizeof err_buf, "%s --%s\n", msg, op->longName) - 1;
1292 snprintf(err_buf + n, sizeof err_buf - n, " (-%c)\n", op->shortName);
1295 /* This is used to make sure that --daemon & --server cannot be aliased to
1296 * something else. These options have always disabled popt aliases for the
1297 * parsing of a daemon or server command-line, but we have to make sure that
1298 * these options cannot vanish so that the alias disabling can take effect. */
1299 static void popt_unalias(poptContext con, const char *opt)
1301 struct poptAlias unalias;
1303 memset(&unalias, 0, sizeof unalias);
1305 unalias.longName = opt + 2; /* point past the leading "--" */
1307 unalias.argv = new_array0(const char*, 2);
1308 unalias.argv[0] = strdup(opt);
1310 poptAddAlias(con, unalias, 0);
1313 char *alt_dest_opt(int type)
1316 type = alt_dest_type;
1320 return "--compare-dest";
1322 return "--copy-dest";
1324 return "--link-dest";
1326 NOISY_DEATH("Unknown alt_dest_opt type");
1331 * Process command line arguments. Called on both local and remote.
1333 * @retval 1 if all options are OK; with globals set to appropriate
1336 * @retval 0 on error, with err_buf containing an explanation
1338 int parse_arguments(int *argc_p, const char ***argv_p)
1340 static poptContext pc;
1341 const char *arg, **argv = *argv_p;
1343 int opt, want_dest_type;
1344 int orig_protect_args = protect_args;
1347 strlcpy(err_buf, "argc is zero!\n", sizeof err_buf);
1351 set_refuse_options();
1354 if (!am_daemon && protect_args <= 0 && (arg = getenv("RSYNC_ICONV")) != NULL && *arg)
1355 iconv_opt = strdup(arg);
1358 /* TODO: Call poptReadDefaultConfig; handle errors. */
1360 /* The context leaks in case of an error, but if there's a
1361 * problem we always exit anyhow. */
1363 poptFreeContext(pc);
1364 pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
1366 poptReadDefaultConfig(pc, 0);
1367 popt_unalias(pc, "--daemon");
1368 popt_unalias(pc, "--server");
1371 while ((opt = poptGetNextOpt(pc)) != -1) {
1372 /* most options are handled automatically by popt;
1373 * only special cases are returned and listed here. */
1382 /* Disable popt aliases on the server side and
1383 * then start parsing the options again. */
1384 poptFreeContext(pc);
1385 pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
1396 exit_cleanup(RERR_SYNTAX);
1404 "Attempt to hack rsync thwarted!\n",
1412 poptFreeContext(pc);
1413 pc = poptGetContext(RSYNC_NAME, argc, argv, long_daemon_options, 0);
1414 while ((opt = poptGetNextOpt(pc)) != -1) {
1418 daemon_usage(FINFO);
1422 arg = poptGetOptArg(pc);
1423 if (!strchr(arg, '=')) {
1425 "--dparam value is missing an '=': %s\n",
1429 cpp = EXPAND_ITEM_LIST(&dparam_list, char *, 4);
1439 "rsync: %s: %s (in daemon mode)\n",
1440 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1446 if (dparam_list.count && !set_dparams(1))
1447 exit_cleanup(RERR_SYNTAX);
1449 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
1450 snprintf(err_buf, sizeof err_buf,
1451 "the --temp-dir path is WAY too long.\n");
1456 rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
1458 rprintf(FERROR, "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
1459 exit_cleanup(RERR_SYNTAX);
1462 *argv_p = argv = poptGetArgs(pc);
1463 *argc_p = argc = count_args(argv);
1469 case OPT_MODIFY_WINDOW:
1470 /* The value has already been set by popt, but
1471 * we need to remember that we're using a
1472 * non-default setting. */
1473 modify_window_set = 1;
1477 parse_filter_str(&filter_list, poptGetOptArg(pc),
1478 rule_template(0), 0);
1482 parse_filter_str(&filter_list, poptGetOptArg(pc),
1483 rule_template(0), XFLG_OLD_PREFIXES);
1487 parse_filter_str(&filter_list, poptGetOptArg(pc),
1488 rule_template(FILTRULE_INCLUDE), XFLG_OLD_PREFIXES);
1491 case OPT_EXCLUDE_FROM:
1492 case OPT_INCLUDE_FROM:
1493 arg = poptGetOptArg(pc);
1495 arg = sanitize_path(NULL, arg, NULL, 0, SP_DEFAULT);
1496 if (daemon_filter_list.head) {
1498 char *cp = strdup(arg);
1502 char *dir = cp + (*cp == '/' ? module_dirlen : 0);
1503 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1504 rej = check_filter(&daemon_filter_list, FLOG, dir, 0) < 0;
1508 goto options_rejected;
1510 parse_filter_file(&filter_list, arg,
1511 rule_template(opt == OPT_INCLUDE_FROM ? FILTRULE_INCLUDE : 0),
1512 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
1516 if (refused_archive_part) {
1517 create_refuse_error(refused_archive_part);
1520 if (!recurse) /* preserve recurse == 2 */
1522 #ifdef SUPPORT_LINKS
1526 preserve_mtimes = 1;
1529 preserve_devices = 1;
1530 preserve_specials = 1;
1534 preserve_devices = preserve_specials = 1;
1538 preserve_devices = preserve_specials = 0;
1546 preserve_hard_links++;
1554 if (++preserve_atimes > 1)
1575 switch (++F_option_cnt) {
1577 parse_filter_str(&filter_list,": /.rsync-filter",rule_template(0),0);
1580 parse_filter_str(&filter_list,"- .rsync-filter",rule_template(0),0);
1586 if (refused_partial || refused_progress) {
1587 create_refuse_error(refused_partial ? refused_partial : refused_progress);
1598 case OPT_OLD_COMPRESS:
1599 compress_choice = "zlib";
1602 case OPT_NEW_COMPRESS:
1603 compress_choice = "zlibx";
1606 case OPT_NO_COMPRESS:
1608 compress_choice = NULL;
1612 if (old_style_args <= 0)
1619 arg = poptGetOptArg(pc);
1621 snprintf(err_buf, sizeof err_buf,
1622 "Remote option must start with a dash: %s\n", arg);
1625 if (remote_option_cnt+2 >= remote_option_alloc) {
1626 remote_option_alloc += 16;
1627 remote_options = realloc_array(remote_options,
1628 const char *, remote_option_alloc);
1629 if (!remote_option_cnt)
1630 remote_options[0] = "ARG0";
1632 remote_options[++remote_option_cnt] = arg;
1633 remote_options[remote_option_cnt+1] = NULL;
1636 case OPT_WRITE_BATCH:
1637 /* batch_name is already set */
1641 case OPT_ONLY_WRITE_BATCH:
1642 /* batch_name is already set */
1646 case OPT_READ_BATCH:
1647 /* batch_name is already set */
1657 case OPT_BLOCK_SIZE: {
1658 /* We may not know the real protocol_version at this point if this is the client
1659 * option parsing, but we still want to check it so that the client can specify
1660 * a --protocol=29 option with a larger block size. */
1661 int max_blength = protocol_version < 30 ? OLD_MAX_BLOCK_SIZE : MAX_BLOCK_SIZE;
1663 arg = poptGetOptArg(pc);
1664 if ((size = parse_size_arg(arg, 'b', "block-size", 0, max_blength, False)) < 0)
1666 block_size = (int32)size;
1671 if ((max_size = parse_size_arg(max_size_arg, 'b', "max-size", 0, -1, False)) < 0)
1673 max_size_arg = strdup(do_big_num(max_size, 0, NULL));
1677 if ((min_size = parse_size_arg(min_size_arg, 'b', "min-size", 0, -1, False)) < 0)
1679 min_size_arg = strdup(do_big_num(min_size, 0, NULL));
1683 ssize_t size = parse_size_arg(bwlimit_arg, 'K', "bwlimit", 512, -1, True);
1686 bwlimit_arg = strdup(do_big_num(size, 0, NULL));
1687 bwlimit = (size + 512) / 1024;
1699 want_dest_type = LINK_DEST;
1703 want_dest_type = COPY_DEST;
1706 case OPT_COMPARE_DEST:
1707 want_dest_type = COMPARE_DEST;
1710 if (alt_dest_type && alt_dest_type != want_dest_type) {
1711 snprintf(err_buf, sizeof err_buf,
1712 "ERROR: the %s option conflicts with the %s option\n",
1713 alt_dest_opt(want_dest_type), alt_dest_opt(0));
1716 alt_dest_type = want_dest_type;
1718 if (basis_dir_cnt >= MAX_BASIS_DIRS) {
1719 snprintf(err_buf, sizeof err_buf,
1720 "ERROR: at most %d %s args may be specified\n",
1721 MAX_BASIS_DIRS, alt_dest_opt(0));
1724 /* We defer sanitizing this arg until we know what
1725 * our destination directory is going to be. */
1726 basis_dir[basis_dir_cnt++] = (char *)poptGetOptArg(pc);
1730 arg = poptGetOptArg(pc);
1731 if (!parse_chmod(arg, &chmod_modes)) {
1732 snprintf(err_buf, sizeof err_buf,
1733 "Invalid argument passed to --chmod (%s)\n",
1740 arg = poptGetOptArg(pc);
1741 parse_output_words(info_words, info_levels, arg, USER_PRIORITY);
1745 arg = poptGetOptArg(pc);
1746 parse_output_words(debug_words, debug_levels, arg, USER_PRIORITY);
1751 if (usermap_via_chown) {
1752 snprintf(err_buf, sizeof err_buf,
1753 "--usermap conflicts with prior --chown.\n");
1756 snprintf(err_buf, sizeof err_buf,
1757 "You can only specify --usermap once.\n");
1760 usermap = (char *)poptGetOptArg(pc);
1761 usermap_via_chown = False;
1767 if (groupmap_via_chown) {
1768 snprintf(err_buf, sizeof err_buf,
1769 "--groupmap conflicts with prior --chown.\n");
1772 snprintf(err_buf, sizeof err_buf,
1773 "You can only specify --groupmap once.\n");
1776 groupmap = (char *)poptGetOptArg(pc);
1777 groupmap_via_chown = False;
1782 const char *chown = poptGetOptArg(pc);
1784 if ((arg = strchr(chown, ':')) != NULL)
1785 len = arg++ - chown;
1787 len = strlen(chown);
1790 if (!usermap_via_chown) {
1791 snprintf(err_buf, sizeof err_buf,
1792 "--chown conflicts with prior --usermap.\n");
1795 snprintf(err_buf, sizeof err_buf,
1796 "You can only specify a user-affecting --chown once.\n");
1799 if (asprintf(&usermap, "*:%.*s", len, chown) < 0)
1800 out_of_memory("parse_arguments");
1801 usermap_via_chown = True;
1806 if (!groupmap_via_chown) {
1807 snprintf(err_buf, sizeof err_buf,
1808 "--chown conflicts with prior --groupmap.\n");
1811 snprintf(err_buf, sizeof err_buf,
1812 "You can only specify a group-affecting --chown once.\n");
1815 if (asprintf(&groupmap, "*:%s", arg) < 0)
1816 out_of_memory("parse_arguments");
1817 groupmap_via_chown = True;
1833 /* FIXME: this should probably be ignored with a
1834 * warning and then countermeasures taken to
1835 * restrict group and other access in the presence
1836 * of any more restrictive ACLs, but this is safe
1838 snprintf(err_buf,sizeof(err_buf),
1839 "ACLs are not supported on this %s\n",
1840 am_server ? "server" : "client");
1845 #ifdef SUPPORT_XATTRS
1849 snprintf(err_buf,sizeof(err_buf),
1850 "extended attributes are not supported on this %s\n",
1851 am_server ? "server" : "client");
1855 case OPT_STOP_AFTER: {
1857 arg = poptGetOptArg(pc);
1858 stop_at_utime = time(NULL);
1859 if ((val = atol(arg) * 60) <= 0 || LONG_MAX - val < stop_at_utime || (long)(time_t)val != val) {
1860 snprintf(err_buf, sizeof err_buf, "invalid --stop-after value: %s\n", arg);
1863 stop_at_utime += val;
1869 arg = poptGetOptArg(pc);
1870 if ((stop_at_utime = parse_time(arg)) == (time_t)-1) {
1871 snprintf(err_buf, sizeof err_buf, "invalid --stop-at format: %s\n", arg);
1874 if (stop_at_utime <= time(NULL)) {
1875 snprintf(err_buf, sizeof err_buf, "--stop-at time is not in the future: %s\n", arg);
1883 arg = poptGetOptArg(pc);
1885 if (len && strncmp("errors", arg, len) == 0)
1887 else if (len && strncmp("all", arg, len) == 0)
1889 else if (len && strncmp("client", arg, len) == 0)
1892 snprintf(err_buf, sizeof err_buf,
1893 "--stderr mode \"%s\" is not one of errors, all, or client\n", arg);
1901 /* A large opt value means that set_refuse_options()
1902 * turned this option off. */
1903 if (opt >= OPT_REFUSED_BASE) {
1904 create_refuse_error(opt);
1907 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
1908 am_server ? "on remote machine: " : "",
1909 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1915 if (msgs2stderr != 2)
1918 if (version_opt_cnt) {
1919 print_rsync_version(FINFO);
1923 if (!max_alloc_arg) {
1924 max_alloc_arg = getenv("RSYNC_MAX_ALLOC");
1925 if (max_alloc_arg && !*max_alloc_arg)
1926 max_alloc_arg = NULL;
1928 if (max_alloc_arg) {
1929 ssize_t size = parse_size_arg(max_alloc_arg, 'B', "max-alloc", 1024*1024, -1, True);
1935 if (old_style_args < 0) {
1936 if (!am_server && (arg = getenv("RSYNC_OLD_ARGS")) != NULL && *arg)
1937 old_style_args = atoi(arg);
1942 if (protect_args < 0) {
1945 else if ((arg = getenv("RSYNC_PROTECT_ARGS")) != NULL && *arg)
1946 protect_args = atoi(arg) ? 1 : 0;
1948 #ifdef RSYNC_USE_PROTECTED_ARGS
1956 if (checksum_choice && strcasecmp(checksum_choice, "auto") != 0 && strcasecmp(checksum_choice, "auto,auto") != 0) {
1957 /* Call this early to verify the args and figure out if we need to force
1958 * --whole-file. Note that the parse function will get called again later,
1959 * just in case an "auto" choice needs to know the protocol_version. */
1960 parse_checksum_choice(0);
1962 checksum_choice = NULL;
1964 if (human_readable > 1 && argc == 2 && !am_server) {
1965 /* Allow the old meaning of 'h' (--help) on its own. */
1970 if (!compress_choice && do_compression > 1)
1971 compress_choice = "zlibx";
1972 if (compress_choice && strcasecmp(compress_choice, "auto") != 0)
1973 parse_compress_choice(0); /* Twiddles do_compression and can possibly NULL-out compress_choice. */
1975 compress_choice = NULL;
1977 if (do_compression || do_compression_level != CLVL_NOT_SPECIFIED) {
1978 if (!do_compression)
1979 do_compression = CPRES_AUTO;
1980 if (do_compression && refused_compress) {
1981 create_refuse_error(refused_compress);
1987 if (outbuf_mode && !am_server) {
1988 int mode = *(uchar *)outbuf_mode;
1990 mode = toupper(mode);
1991 fflush(stdout); /* Just in case... */
1993 case 'N': /* None */
1994 case 'U': /* Unbuffered */
1997 case 'L': /* Line */
2000 case 'B': /* Block */
2001 case 'F': /* Full */
2005 snprintf(err_buf, sizeof err_buf,
2006 "Invalid --outbuf setting -- specify N, L, or B.\n");
2009 setvbuf(stdout, (char *)NULL, mode, 0);
2012 if (msgs2stderr == 1) { /* Are all messages going to stderr? */
2013 /* Make stderr line buffered for better sharing of the stream. */
2014 fflush(stderr); /* Just in case... */
2015 setvbuf(stderr, (char *)NULL, _IOLBF, 0);
2019 set_output_verbosity(verbose, DEFAULT_PRIORITY);
2022 parse_output_words(info_words, info_levels,
2023 verbose > 1 ? "stats3" : "stats2", DEFAULT_PRIORITY);
2027 if (iconv_opt && protect_args != 2) {
2028 if (!am_server && strcmp(iconv_opt, "-") == 0)
2031 need_unsorted_flist = 1;
2033 if (refused_no_iconv && !iconv_opt) {
2034 create_refuse_error(refused_no_iconv);
2039 if (fuzzy_basis > 1)
2040 fuzzy_basis = basis_dir_cnt + 1;
2042 /* Don't let the client reset protect_args if it was already processed */
2043 if (orig_protect_args == 2 && am_server)
2044 protect_args = orig_protect_args;
2046 if (protect_args == 1 && am_server)
2049 *argv_p = argv = poptGetArgs(pc);
2050 *argc_p = argc = count_args(argv);
2052 #ifndef SUPPORT_LINKS
2053 if (preserve_links && !am_sender) {
2054 snprintf(err_buf, sizeof err_buf,
2055 "symlinks are not supported on this %s\n",
2056 am_server ? "server" : "client");
2061 #ifndef SUPPORT_HARD_LINKS
2062 if (preserve_hard_links) {
2063 snprintf(err_buf, sizeof err_buf,
2064 "hard links are not supported on this %s\n",
2065 am_server ? "server" : "client");
2070 #ifdef SUPPORT_XATTRS
2071 if (am_root < 0 && preserve_xattrs > 1) {
2072 snprintf(err_buf, sizeof err_buf,
2073 "--fake-super conflicts with -XX\n");
2078 snprintf(err_buf, sizeof err_buf,
2079 "--fake-super requires an rsync with extended attributes enabled\n");
2084 if (write_batch && read_batch) {
2085 snprintf(err_buf, sizeof err_buf,
2086 "--write-batch and --read-batch can not be used together\n");
2089 if (write_batch > 0 || read_batch) {
2092 "ignoring --%s-batch option sent to server\n",
2093 write_batch ? "write" : "read");
2094 /* We don't actually exit_cleanup(), so that we can
2095 * still service older version clients that still send
2096 * batch args to server. */
2097 read_batch = write_batch = 0;
2101 } else if (write_batch < 0 && dry_run)
2103 if (read_batch && files_from) {
2104 snprintf(err_buf, sizeof err_buf,
2105 "--read-batch cannot be used with --files-from\n");
2108 if (read_batch && remove_source_files) {
2109 snprintf(err_buf, sizeof err_buf,
2110 "--read-batch cannot be used with --remove-%s-files\n",
2111 remove_source_files == 1 ? "source" : "sent");
2114 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
2115 snprintf(err_buf, sizeof err_buf,
2116 "the batch-file name must be %d characters or less.\n",
2117 MAX_BATCH_NAME_LEN);
2121 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
2122 snprintf(err_buf, sizeof err_buf,
2123 "the --temp-dir path is WAY too long.\n");
2127 if (max_delete < 0 && max_delete != INT_MIN) {
2128 /* Negative numbers are treated as "no deletions". */
2133 if (recurse == 1) /* preserve recurse == 2 */
2139 if (argc < 2 && !read_batch && !am_server)
2142 if (xfer_dirs >= 4) {
2143 parse_filter_str(&filter_list, "- /*/*", rule_template(0), 0);
2144 recurse = xfer_dirs = 1;
2147 else if (xfer_dirs < 0)
2148 xfer_dirs = list_only ? 1 : 0;
2150 if (relative_paths < 0)
2151 relative_paths = files_from? 1 : 0;
2152 if (!relative_paths)
2155 if (delete_before + !!delete_during + delete_after > 1) {
2156 snprintf(err_buf, sizeof err_buf,
2157 "You may not combine multiple --delete-WHEN options.\n");
2160 if (delete_before || delete_during || delete_after)
2162 else if (delete_mode || delete_excluded) {
2163 /* Only choose now between before & during if one is refused. */
2164 if (refused_delete_before) {
2165 if (!refused_delete_during)
2168 create_refuse_error(refused_delete_before);
2171 } else if (refused_delete_during)
2175 if (!xfer_dirs && delete_mode) {
2176 snprintf(err_buf, sizeof err_buf,
2177 "--delete does not work without --recursive (-r) or --dirs (-d).\n");
2181 if (missing_args == 3) /* simplify if both options were specified */
2183 if (refused_delete && (delete_mode || missing_args == 2)) {
2184 create_refuse_error(refused_delete);
2188 if (remove_source_files) {
2189 /* We only want to infer this refusal of --remove-source-files
2190 * via the refusal of "delete", not any of the "delete-FOO"
2192 if (refused_delete && am_sender) {
2193 create_refuse_error(refused_delete);
2196 need_messages_from_generator = 1;
2199 if (munge_symlinks && !am_daemon) {
2201 char prefix[SYMLINK_PREFIX_LEN]; /* NOT +1 ! */
2202 strlcpy(prefix, SYMLINK_PREFIX, sizeof prefix); /* trim the trailing slash */
2203 if (do_stat(prefix, &st) == 0 && S_ISDIR(st.st_mode)) {
2204 rprintf(FERROR, "Symlink munging is unsafe when a %s directory exists.\n",
2206 exit_cleanup(RERR_UNSUPPORTED);
2210 if (sanitize_paths) {
2212 for (i = argc; i-- > 0; )
2213 argv[i] = sanitize_path(NULL, argv[i], "", 0, SP_KEEP_DOT_DIRS);
2215 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0, SP_DEFAULT);
2217 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0, SP_DEFAULT);
2219 if (daemon_filter_list.head && !am_sender) {
2220 filter_rule_list *elp = &daemon_filter_list;
2224 goto options_rejected;
2225 dir = tmpdir + (*tmpdir == '/' ? module_dirlen : 0);
2226 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2227 if (check_filter(elp, FLOG, dir, 1) < 0)
2228 goto options_rejected;
2233 goto options_rejected;
2234 dir = backup_dir + (*backup_dir == '/' ? module_dirlen : 0);
2235 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2236 if (check_filter(elp, FLOG, dir, 1) < 0)
2237 goto options_rejected;
2242 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
2243 backup_suffix_len = strlen(backup_suffix);
2244 if (strchr(backup_suffix, '/') != NULL) {
2245 snprintf(err_buf, sizeof err_buf,
2246 "--suffix cannot contain slashes: %s\n",
2252 make_backups = 1; /* --backup-dir implies --backup */
2253 while (*backup_dir == '.' && backup_dir[1] == '/')
2255 if (*backup_dir == '.' && backup_dir[1] == '\0')
2257 len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
2258 if (len > sizeof backup_dir_buf - 128) {
2259 snprintf(err_buf, sizeof err_buf,
2260 "the --backup-dir path is WAY too long.\n");
2263 backup_dir_len = (int)len;
2264 if (!backup_dir_len) {
2265 backup_dir_len = -1;
2267 } else if (backup_dir_buf[backup_dir_len - 1] != '/') {
2268 backup_dir_buf[backup_dir_len++] = '/';
2269 backup_dir_buf[backup_dir_len] = '\0';
2271 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
2274 /* No need for a suffix or a protect rule. */
2275 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
2276 snprintf(err_buf, sizeof err_buf,
2277 "--suffix cannot be empty %s\n", backup_dir_len < 0
2278 ? "when --backup-dir is the same as the dest dir"
2279 : "without a --backup-dir");
2281 } else if (make_backups && delete_mode && !delete_excluded && !am_server) {
2282 snprintf(backup_dir_buf, sizeof backup_dir_buf,
2283 "P *%s", backup_suffix);
2284 parse_filter_str(&filter_list, backup_dir_buf, rule_template(0), 0);
2287 if (make_backups && !backup_dir)
2288 omit_dir_times = -1; /* Implied, so avoid -O to sender. */
2290 if (stdout_format) {
2291 if (am_server && log_format_has(stdout_format, 'I'))
2292 stdout_format_has_i = 2;
2293 else if (log_format_has(stdout_format, 'i'))
2294 stdout_format_has_i = itemize_changes | 1;
2295 if (!log_format_has(stdout_format, 'b')
2296 && !log_format_has(stdout_format, 'c')
2297 && !log_format_has(stdout_format, 'C'))
2298 log_before_transfer = !am_server;
2299 } else if (itemize_changes) {
2300 stdout_format = "%i %n%L";
2301 stdout_format_has_i = itemize_changes;
2302 log_before_transfer = !am_server;
2305 if (do_progress && !am_server) {
2306 if (!log_before_transfer && INFO_EQ(NAME, 0))
2307 parse_output_words(info_words, info_levels, "name", DEFAULT_PRIORITY);
2308 parse_output_words(info_words, info_levels, "flist2,progress", DEFAULT_PRIORITY);
2314 set_io_timeout(io_timeout);
2316 if (INFO_GTE(NAME, 1) && !stdout_format) {
2317 stdout_format = "%n%L";
2318 log_before_transfer = !am_server;
2320 if (stdout_format_has_i || log_format_has(stdout_format, 'o'))
2321 stdout_format_has_o_or_i = 1;
2323 if (logfile_name && !am_daemon) {
2324 if (!logfile_format) {
2325 logfile_format = "%i %n%L";
2326 logfile_format_has_i = logfile_format_has_o_or_i = 1;
2328 if (log_format_has(logfile_format, 'i'))
2329 logfile_format_has_i = 1;
2330 if (logfile_format_has_i || log_format_has(logfile_format, 'o'))
2331 logfile_format_has_o_or_i = 1;
2334 } else if (!am_daemon)
2335 logfile_format = NULL;
2337 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
2338 bwlimit = daemon_bwlimit;
2340 bwlimit_writemax = (size_t)bwlimit * 128;
2341 if (bwlimit_writemax < 512)
2342 bwlimit_writemax = 512;
2346 if (whole_file > 0) {
2347 snprintf(err_buf, sizeof err_buf,
2348 "--append cannot be used with --whole-file\n");
2351 if (refused_inplace) {
2352 create_refuse_error(refused_inplace);
2358 if (write_devices) {
2359 if (refused_inplace) {
2360 create_refuse_error(refused_inplace);
2366 if (delay_updates && !partial_dir)
2367 partial_dir = tmp_partialdir;
2370 #ifdef HAVE_FTRUNCATE
2372 snprintf(err_buf, sizeof err_buf,
2373 "--%s cannot be used with --%s\n",
2374 append_mode ? "append" : "inplace",
2375 delay_updates ? "delay-updates" : "partial-dir");
2378 /* --inplace implies --partial for refusal purposes, but we
2379 * clear the keep_partial flag for internal logic purposes. */
2380 if (refused_partial) {
2381 create_refuse_error(refused_partial);
2386 snprintf(err_buf, sizeof err_buf,
2387 "--%s is not supported on this %s\n",
2388 append_mode ? "append" : "inplace",
2389 am_server ? "server" : "client");
2393 if (keep_partial && !partial_dir && !am_server) {
2394 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
2395 partial_dir = strdup(arg);
2399 clean_fname(partial_dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2400 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
2402 if (!partial_dir && refused_partial) {
2403 create_refuse_error(refused_partial);
2413 if (argc > 2 || (!am_daemon && !am_server && argc == 1)) {
2415 exit_cleanup(RERR_SYNTAX);
2417 if (strcmp(files_from, "-") == 0) {
2420 filesfrom_host = ""; /* reading from socket */
2421 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
2423 snprintf(err_buf, sizeof err_buf,
2424 "The --files-from sent to the server cannot specify a host.\n");
2429 if (strcmp(files_from, "-") == 0) {
2430 snprintf(err_buf, sizeof err_buf,
2431 "Invalid --files-from remote filename\n");
2436 files_from = sanitize_path(NULL, files_from, NULL, 0, SP_DEFAULT);
2437 if (daemon_filter_list.head) {
2440 goto options_rejected;
2441 dir = files_from + (*files_from == '/' ? module_dirlen : 0);
2442 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2443 if (check_filter(&daemon_filter_list, FLOG, dir, 0) < 0)
2444 goto options_rejected;
2446 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
2447 if (filesfrom_fd < 0) {
2448 snprintf(err_buf, sizeof err_buf,
2449 "failed to open files-from file %s: %s\n",
2450 files_from, strerror(errno));
2461 snprintf(err_buf, sizeof err_buf,
2462 "Your options have been rejected by the server.\n");
2467 static char SPLIT_ARG_WHEN_OLD[1];
2470 * Do backslash quoting of any weird chars in "arg", append the resulting
2471 * string to the end of the "opt" (which gets a "=" appended if it is not
2472 * an empty or NULL string), and return the (perhaps malloced) result.
2473 * If opt is NULL, arg is considered a filename arg that allows wildcards.
2474 * If it is "" or any other value, it is considered an option.
2476 char *safe_arg(const char *opt, const char *arg)
2478 #define SHELL_CHARS "!#$&;|<>(){}\"' \t\\"
2479 #define WILD_CHARS "*?[]" /* We don't allow remote brace expansion */
2480 BOOL is_filename_arg = !opt;
2481 char *escapes = is_filename_arg ? SHELL_CHARS : WILD_CHARS SHELL_CHARS;
2482 BOOL escape_leading_dash = is_filename_arg && *arg == '-';
2483 int len1 = opt && *opt ? strlen(opt) + 1 : 0;
2484 int len2 = strlen(arg);
2485 int extras = escape_leading_dash ? 2 : 0;
2487 if (!protect_args && old_style_args < 2 && (!old_style_args || (!is_filename_arg && opt != SPLIT_ARG_WHEN_OLD))) {
2489 for (f = arg; *f; f++) {
2490 if (strchr(escapes, *f))
2494 if (!len1 && !extras)
2496 ret = new_array(char, len1 + len2 + extras + 1);
2498 memcpy(ret, opt, len1-1);
2501 if (escape_leading_dash) {
2507 memcpy(ret + len1, arg, len2);
2509 const char *f = arg;
2510 char *t = ret + len1;
2512 if (strchr(escapes, *f))
2517 ret[len1+len2+extras] = '\0';
2523 * Construct a filtered list of options to pass through from the
2524 * client to the server.
2526 * This involves setting options that will tell the server how to
2527 * behave, and also filtering out options that are processed only
2530 void server_options(char **args, int *argc_p)
2532 static char argstr[64];
2538 /* This should always remain first on the server's command-line. */
2539 args[ac++] = "--server";
2542 args[ac++] = "--sender";
2550 for (i = 0; i < verbose; i++)
2553 if (quiet && msgs2stderr)
2559 if (!do_xfers) /* Note: NOT "dry_run"! */
2563 if ((xfer_dirs >= 2 && xfer_dirs < 4)
2564 || (xfer_dirs && !recurse && (list_only || (delete_mode && am_sender))))
2569 if (prune_empty_dirs)
2571 if (omit_dir_times > 0)
2573 if (omit_link_times)
2577 if (fuzzy_basis > 1)
2589 /* We don't need to send --no-whole-file, because it's the
2590 * default for remote transfers, and in any case old versions
2591 * of rsync will not understand it. */
2593 if (preserve_hard_links) {
2595 if (preserve_hard_links > 1)
2602 if (preserve_devices) /* ignore preserve_specials here */
2604 if (preserve_mtimes)
2606 if (preserve_atimes) {
2608 if (preserve_atimes > 1)
2611 #ifdef SUPPORT_CRTIMES
2612 if (preserve_crtimes)
2617 else if (preserve_executability && am_sender)
2623 #ifdef SUPPORT_XATTRS
2624 if (preserve_xattrs) {
2626 if (preserve_xattrs > 1)
2632 if (always_checksum)
2640 if (one_file_system) {
2642 if (one_file_system > 1)
2647 if (do_compression == CPRES_ZLIB)
2650 set_allow_inc_recurse();
2652 /* This '\0'-terminates argstr and makes sure it didn't overflow. */
2653 x += maybe_add_e_option(argstr + x, (int)sizeof argstr - x);
2656 args[ac++] = argstr;
2660 char *set = strchr(iconv_opt, ',');
2665 args[ac++] = safe_arg("--iconv", set);
2669 if (protect_args && !local_server) /* unprotected args stop here */
2673 args[ac++] = "--list-only";
2675 /* This makes sure that the remote rsync can handle deleting with -d
2676 * sans -r because the --no-r option was added at the same time. */
2677 if (xfer_dirs && !recurse && delete_mode && am_sender)
2678 args[ac++] = "--no-r";
2680 if (do_compression && do_compression_level != CLVL_NOT_SPECIFIED) {
2681 if (asprintf(&arg, "--compress-level=%d", do_compression_level) < 0)
2686 if (preserve_devices) {
2687 /* Note: sending "--devices" would not be backward-compatible. */
2688 if (!preserve_specials)
2689 args[ac++] = "--no-specials"; /* -D is already set. */
2690 } else if (preserve_specials)
2691 args[ac++] = "--specials";
2693 /* The server side doesn't use our log-format, but in certain
2694 * circumstances they need to know a little about the option. */
2695 if (stdout_format && am_sender) {
2696 /* Use --log-format, not --out-format, for compatibility. */
2697 if (stdout_format_has_i > 1)
2698 args[ac++] = "--log-format=%i%I";
2699 else if (stdout_format_has_i)
2700 args[ac++] = "--log-format=%i";
2701 else if (stdout_format_has_o_or_i)
2702 args[ac++] = "--log-format=%o";
2704 args[ac++] = "--log-format=X";
2707 if (msgs2stderr == 1)
2708 args[ac++] = "--msgs2stderr";
2709 else if (msgs2stderr == 0)
2710 args[ac++] = "--no-msgs2stderr";
2713 if (asprintf(&arg, "-B%u", (int)block_size) < 0)
2719 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
2725 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
2731 /* This split idiom allows for ~/path expansion via the shell. */
2732 args[ac++] = "--backup-dir";
2733 args[ac++] = safe_arg("", backup_dir);
2736 /* Only send --suffix if it specifies a non-default value. */
2737 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0)
2738 args[ac++] = safe_arg("--suffix", backup_suffix);
2740 if (checksum_choice)
2741 args[ac++] = safe_arg("--checksum-choice", checksum_choice);
2743 if (do_compression == CPRES_ZLIBX)
2744 args[ac++] = "--new-compress";
2745 else if (compress_choice && do_compression == CPRES_ZLIB)
2746 args[ac++] = "--old-compress";
2747 else if (compress_choice)
2748 args[ac++] = safe_arg("--compress-choice", compress_choice);
2751 if (max_delete > 0) {
2752 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
2755 } else if (max_delete == 0)
2756 args[ac++] = "--max-delete=-1";
2758 args[ac++] = safe_arg("--min-size", min_size_arg);
2760 args[ac++] = safe_arg("--max-size", max_size_arg);
2762 args[ac++] = "--delete-before";
2763 else if (delete_during == 2)
2764 args[ac++] = "--delete-delay";
2765 else if (delete_during)
2766 args[ac++] = "--delete-during";
2767 else if (delete_after)
2768 args[ac++] = "--delete-after";
2769 else if (delete_mode && !delete_excluded)
2770 args[ac++] = "--delete";
2771 if (delete_excluded)
2772 args[ac++] = "--delete-excluded";
2774 args[ac++] = "--force";
2775 if (write_batch < 0)
2776 args[ac++] = "--only-write-batch=X";
2778 args[ac++] = "--super";
2780 args[ac++] = "--size-only";
2782 args[ac++] = "--stats";
2785 args[ac++] = safe_arg("--skip-compress", skip_compress);
2788 if (max_alloc_arg && max_alloc != DEFAULT_MAX_ALLOC)
2789 args[ac++] = safe_arg("--max-alloc", max_alloc_arg);
2791 /* --delete-missing-args needs the cooperation of both sides, but
2792 * the sender can handle --ignore-missing-args by itself. */
2793 if (missing_args == 2)
2794 args[ac++] = "--delete-missing-args";
2795 else if (missing_args == 1 && !am_sender)
2796 args[ac++] = "--ignore-missing-args";
2798 if (modify_window_set && am_sender) {
2799 char *fmt = modify_window < 0 ? "-@%d" : "--modify-window=%d";
2800 if (asprintf(&arg, fmt, modify_window) < 0)
2805 if (checksum_seed) {
2806 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
2811 if (partial_dir && am_sender) {
2812 if (partial_dir != tmp_partialdir) {
2813 args[ac++] = "--partial-dir";
2814 args[ac++] = safe_arg("", partial_dir);
2817 args[ac++] = "--delay-updates";
2818 } else if (keep_partial && am_sender)
2819 args[ac++] = "--partial";
2822 args[ac++] = "--ignore-errors";
2824 if (copy_unsafe_links)
2825 args[ac++] = "--copy-unsafe-links";
2828 args[ac++] = "--safe-links";
2831 args[ac++] = "--numeric-ids";
2834 args[ac++] = "--use-qsort";
2838 args[ac++] = safe_arg("--usermap", usermap);
2841 args[ac++] = safe_arg("--groupmap", groupmap);
2843 if (ignore_existing)
2844 args[ac++] = "--ignore-existing";
2846 /* Backward compatibility: send --existing, not --ignore-non-existing. */
2847 if (ignore_non_existing)
2848 args[ac++] = "--existing";
2851 args[ac++] = "--temp-dir";
2852 args[ac++] = safe_arg("", tmpdir);
2856 args[ac++] = "--fsync";
2859 /* the server only needs this option if it is not the sender,
2860 * and it may be an older version that doesn't know this
2861 * option, so don't send it if client is the sender.
2863 for (i = 0; i < basis_dir_cnt; i++) {
2864 args[ac++] = alt_dest_opt(0);
2865 args[ac++] = safe_arg("", basis_dir[i]);
2870 /* What flags do we need to send to the other side? */
2871 where = (am_server ? W_CLI : W_SRV) | (am_sender ? W_REC : W_SND);
2872 arg = make_output_option(info_words, info_levels, where);
2877 if (append_mode > 1)
2878 args[ac++] = "--append";
2879 args[ac++] = "--append";
2880 } else if (inplace) {
2881 args[ac++] = "--inplace";
2882 /* Work around a bug in older rsync versions (on the remote side) for --inplace --sparse */
2883 if (sparse_files && !whole_file && am_sender)
2884 args[ac++] = "--no-W";
2887 if (files_from && (!am_sender || filesfrom_host)) {
2888 if (filesfrom_host) {
2889 args[ac++] = "--files-from";
2890 args[ac++] = safe_arg("", files_from);
2892 args[ac++] = "--from0";
2894 args[ac++] = "--files-from=-";
2895 args[ac++] = "--from0";
2897 if (!relative_paths)
2898 args[ac++] = "--no-relative";
2900 /* It's OK that this checks the upper-bound of the protocol_version. */
2901 if (relative_paths && !implied_dirs && (!am_sender || protocol_version >= 30))
2902 args[ac++] = "--no-implied-dirs";
2904 if (write_devices && am_sender)
2905 args[ac++] = "--write-devices";
2907 if (remove_source_files == 1)
2908 args[ac++] = "--remove-source-files";
2909 else if (remove_source_files)
2910 args[ac++] = "--remove-sent-files";
2912 if (preallocate_files && am_sender)
2913 args[ac++] = "--preallocate";
2915 if (open_noatime && preserve_atimes <= 1)
2916 args[ac++] = "--open-noatime";
2918 if (mkpath_dest_arg && am_sender)
2919 args[ac++] = "--mkpath";
2921 if (ac > MAX_SERVER_ARGS) { /* Not possible... */
2922 rprintf(FERROR, "argc overflow in server_options().\n");
2923 exit_cleanup(RERR_MALLOC);
2926 if (remote_option_cnt) {
2928 if (ac + remote_option_cnt > MAX_SERVER_ARGS) {
2929 rprintf(FERROR, "too many remote options specified.\n");
2930 exit_cleanup(RERR_SYNTAX);
2932 for (j = 1; j <= remote_option_cnt; j++)
2933 args[ac++] = safe_arg(SPLIT_ARG_WHEN_OLD, remote_options[j]);
2940 out_of_memory("server_options");
2943 int maybe_add_e_option(char *buf, int buf_len)
2947 /* We don't really know the actual protocol_version at this point,
2948 * but checking the pre-negotiated value allows the user to use a
2949 * --protocol=29 override to avoid the use of this -eFLAGS opt. */
2950 if (protocol_version >= 30 && buf_len > 0) {
2951 /* We make use of the -e option to let the server know about
2952 * any pre-release protocol version && some behavior flags. */
2955 #if SUBPROTOCOL_VERSION != 0
2956 if (protocol_version == PROTOCOL_VERSION)
2957 x += snprintf(buf + x, buf_len - x, "%d.%d", PROTOCOL_VERSION, SUBPROTOCOL_VERSION);
2961 if (allow_inc_recurse)
2963 #ifdef CAN_SET_SYMLINK_TIMES
2964 buf[x++] = 'L'; /* symlink time-setting support */
2967 buf[x++] = 's'; /* symlink iconv translation support */
2969 buf[x++] = 'f'; /* flist I/O-error safety support */
2970 buf[x++] = 'x'; /* xattr hardlink optimization not desired */
2971 buf[x++] = 'C'; /* support checksum seed order fix */
2972 buf[x++] = 'I'; /* support inplace_partial behavior */
2973 buf[x++] = 'v'; /* use varint for flist & compat flags; negotiate checksum */
2974 buf[x++] = 'u'; /* include name of uid 0 & gid 0 in the id map */
2976 /* NOTE: Avoid using 'V' -- it was represented with the high bit of a write_byte() that became a write_varint(). */
2979 if (x >= buf_len) { /* Not possible... */
2980 rprintf(FERROR, "overflow in add_e_flags().\n");
2981 exit_cleanup(RERR_MALLOC);
2989 /* If str points to a valid hostspec, return allocated memory containing the
2990 * [USER@]HOST part of the string, and set the path_start_ptr to the part of
2991 * the string after the host part. Otherwise, return NULL. If port_ptr is
2992 * non-NULL, we must be parsing an rsync:// URL hostname, and we will set
2993 * *port_ptr if a port number is found. Note that IPv6 IPs will have their
2994 * (required for parsing) [ and ] chars elided from the returned string. */
2995 static char *parse_hostspec(char *str, char **path_start_ptr, int *port_ptr)
2997 char *s, *host_start = str;
2998 int hostlen = 0, userlen = 0;
3001 for (s = str; ; s++) {
3003 /* It is only OK if we run out of string with rsync:// */
3007 hostlen = s - host_start;
3010 if (*s == ':' || *s == '/') {
3012 hostlen = s - host_start;
3016 } else if (port_ptr) {
3017 *port_ptr = atoi(s);
3018 while (isDigit(s)) s++;
3019 if (*s && *s++ != '/')
3025 userlen = s - str + 1;
3027 } else if (*s == '[') {
3028 if (s != host_start++)
3030 while (*s && *s != ']' && *s != '/') s++; /*SHARED ITERATOR*/
3031 hostlen = s - host_start;
3032 if (*s != ']' || (s[1] && s[1] != '/' && s[1] != ':') || !hostlen)
3037 *path_start_ptr = s;
3038 ret = new_array(char, userlen + hostlen + 1);
3040 strlcpy(ret, str, userlen + 1);
3041 strlcpy(ret + userlen, host_start, hostlen + 1);
3045 /* Look for a HOST specification of the form "HOST:PATH", "HOST::PATH", or
3046 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
3047 * memory with the HOST. If a daemon-accessing spec was specified, the value
3048 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
3049 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
3050 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
3051 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
3052 char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
3056 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
3057 *host_ptr = parse_hostspec(s + strlen(URL_PREFIX), &path, port_ptr);
3060 *port_ptr = -1; /* -1 indicates they want the default */
3065 *host_ptr = parse_hostspec(s, &path, NULL);
3070 if (port_ptr && !*port_ptr)