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_times = 0;
62 int preserve_atimes = 0;
63 int preserve_crtimes = 0;
72 int delete_during = 0;
73 int delete_before = 0;
75 int delete_excluded = 0;
76 int remove_source_files = 0;
77 int one_file_system = 0;
78 int protocol_version = PROTOCOL_VERSION;
80 int preallocate_files = 0;
81 int do_compression = 0;
82 int do_compression_level = CLVL_NOT_SPECIFIED;
83 int am_root = 0; /* 0 = normal, 1 = root, 2 = --super, -1 = --fake-super */
86 int am_starting_up = 1;
87 int relative_paths = -1;
89 int missing_args = 0; /* 0 = FERROR_XFER, 1 = ignore, 2 = delete */
91 int msgs2stderr = 2; /* Default: send errors to stderr for local & remote-shell transfers */
92 int allow_8bit_chars = 0;
95 int prune_empty_dirs = 0;
97 char *files_from = NULL;
98 int filesfrom_fd = -1;
99 char *filesfrom_host = NULL;
101 int protect_args = -1;
102 int human_readable = 1;
104 int mkpath_dest_arg = 0;
105 int allow_inc_recurse = 1;
108 int connect_timeout = 0;
109 int keep_partial = 0;
110 int safe_symlinks = 0;
111 int copy_unsafe_links = 0;
112 int munge_symlinks = 0;
114 int daemon_bwlimit = 0;
117 size_t bwlimit_writemax = 0;
118 int ignore_existing = 0;
119 int ignore_non_existing = 0;
120 int need_messages_from_generator = 0;
121 int max_delete = INT_MIN;
124 int ignore_errors = 0;
125 int modify_window = 0;
126 int blocking_io = -1;
127 int checksum_seed = 0;
129 int delay_updates = 0;
130 int32 block_size = 0;
131 time_t stop_at_utime = 0;
132 char *skip_compress = NULL;
133 char *copy_as = NULL;
134 item_list dparam_list = EMPTY_ITEM_LIST;
136 /** Network address family. **/
139 = 0; /* Any protocol */
141 = AF_INET; /* Must use IPv4 */
145 # define AF_INET6 AF_INET /* make -6 option a no-op */
148 /** Do not go into the background when run as --daemon. Good
149 * for debugging and required for running as a service on W32,
150 * or under Unix process-monitors. **/
152 #if defined _WIN32 || defined __WIN32__
160 int backup_dir_len = 0;
161 int backup_suffix_len;
162 unsigned int backup_dir_remainder;
164 char *backup_suffix = NULL;
166 char *partial_dir = NULL;
167 char *basis_dir[MAX_BASIS_DIRS+1];
168 char *config_file = NULL;
169 char *shell_cmd = NULL;
170 char *logfile_name = NULL;
171 char *logfile_format = NULL;
172 char *stdout_format = NULL;
173 char *password_file = NULL;
174 char *early_input_file = NULL;
175 char *rsync_path = RSYNC_PATH;
176 char *backup_dir = NULL;
177 char backup_dir_buf[MAXPATHLEN];
178 char *sockopts = NULL;
179 char *usermap = NULL;
180 char *groupmap = NULL;
182 int alt_dest_type = 0;
183 int basis_dir_cnt = 0;
185 #define DEFAULT_MAX_ALLOC (1024L * 1024 * 1024)
186 size_t max_alloc = DEFAULT_MAX_ALLOC;
189 static int version_opt_cnt = 0;
190 static int remote_option_alloc = 0;
191 int remote_option_cnt = 0;
192 const char **remote_options = NULL;
193 const char *checksum_choice = NULL;
194 const char *compress_choice = NULL;
198 int log_before_transfer = 0;
199 int stdout_format_has_i = 0;
200 int stdout_format_has_o_or_i = 0;
201 int logfile_format_has_i = 0;
202 int logfile_format_has_o_or_i = 0;
203 int always_checksum = 0;
206 #define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
207 char *batch_name = NULL;
209 int need_unsorted_flist = 0;
217 struct chmod_mode_struct *chmod_modes = NULL;
219 static const char *debug_verbosity[] = {
222 /*2*/ "BIND,CMD,CONNECT,DEL,DELTASUM,DUP,FILTER,FLIST,ICONV",
223 /*3*/ "ACL,BACKUP,CONNECT2,DELTASUM2,DEL2,EXIT,FILTER2,FLIST2,FUZZY,GENR,OWN,RECV,SEND,TIME",
224 /*4*/ "CMD2,DELTASUM3,DEL3,EXIT2,FLIST3,ICONV2,OWN2,PROTO,TIME2",
225 /*5*/ "CHDIR,DELTASUM4,FLIST4,FUZZY2,HASH,HLINK",
228 #define MAX_VERBOSITY ((int)(sizeof debug_verbosity / sizeof debug_verbosity[0]) - 1)
230 static const char *info_verbosity[1+MAX_VERBOSITY] = {
232 /*1*/ "COPY,DEL,FLIST,MISC,NAME,STATS,SYMSAFE",
233 /*2*/ "BACKUP,MISC2,MOUNT,NAME2,REMOVE,SKIP",
236 #define MAX_OUT_LEVEL 4 /* The largest N allowed for any flagN word. */
238 short info_levels[COUNT_INFO], debug_levels[COUNT_DEBUG];
240 #define DEFAULT_PRIORITY 0 /* Default/implied/--verbose set values. */
241 #define HELP_PRIORITY 1 /* The help output uses this level. */
242 #define USER_PRIORITY 2 /* User-specified via --info or --debug */
243 #define LIMIT_PRIORITY 3 /* Overriding priority when limiting values. */
245 #define W_CLI (1<<0) /* client side */
246 #define W_SRV (1<<1) /* server side */
247 #define W_SND (1<<2) /* sending side */
248 #define W_REC (1<<3) /* receiving side */
250 struct output_struct {
251 char *name; /* The name of the info/debug flag. */
252 char *help; /* The description of the info/debug flag. */
253 uchar namelen; /* The length of the name string. */
254 uchar flag; /* The flag's value, for consistency check. */
255 uchar where; /* Bits indicating where the flag is used. */
256 uchar priority; /* See *_PRIORITY defines. */
259 #define INFO_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, INFO_##flag, where, 0 }
261 static struct output_struct info_words[COUNT_INFO+1] = {
262 INFO_WORD(BACKUP, W_REC, "Mention files backed up"),
263 INFO_WORD(COPY, W_REC, "Mention files copied locally on the receiving side"),
264 INFO_WORD(DEL, W_REC, "Mention deletions on the receiving side"),
265 INFO_WORD(FLIST, W_CLI, "Mention file-list receiving/sending (levels 1-2)"),
266 INFO_WORD(MISC, W_SND|W_REC, "Mention miscellaneous information (levels 1-2)"),
267 INFO_WORD(MOUNT, W_SND|W_REC, "Mention mounts that were found or skipped"),
268 INFO_WORD(NAME, W_SND|W_REC, "Mention 1) updated file/dir names, 2) unchanged names"),
269 INFO_WORD(PROGRESS, W_CLI, "Mention 1) per-file progress or 2) total transfer progress"),
270 INFO_WORD(REMOVE, W_SND, "Mention files removed on the sending side"),
271 INFO_WORD(SKIP, W_REC, "Mention files that are skipped due to options used (levels 1-2)"),
272 INFO_WORD(STATS, W_CLI|W_SRV, "Mention statistics at end of run (levels 1-3)"),
273 INFO_WORD(SYMSAFE, W_SND|W_REC, "Mention symlinks that are unsafe"),
274 { NULL, "--info", 0, 0, 0, 0 }
277 #define DEBUG_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, DEBUG_##flag, where, 0 }
279 static struct output_struct debug_words[COUNT_DEBUG+1] = {
280 DEBUG_WORD(ACL, W_SND|W_REC, "Debug extra ACL info"),
281 DEBUG_WORD(BACKUP, W_REC, "Debug backup actions (levels 1-2)"),
282 DEBUG_WORD(BIND, W_CLI, "Debug socket bind actions"),
283 DEBUG_WORD(CHDIR, W_CLI|W_SRV, "Debug when the current directory changes"),
284 DEBUG_WORD(CONNECT, W_CLI, "Debug connection events (levels 1-2)"),
285 DEBUG_WORD(CMD, W_CLI, "Debug commands+options that are issued (levels 1-2)"),
286 DEBUG_WORD(DEL, W_REC, "Debug delete actions (levels 1-3)"),
287 DEBUG_WORD(DELTASUM, W_SND|W_REC, "Debug delta-transfer checksumming (levels 1-4)"),
288 DEBUG_WORD(DUP, W_REC, "Debug weeding of duplicate names"),
289 DEBUG_WORD(EXIT, W_CLI|W_SRV, "Debug exit events (levels 1-3)"),
290 DEBUG_WORD(FILTER, W_SND|W_REC, "Debug filter actions (levels 1-2)"),
291 DEBUG_WORD(FLIST, W_SND|W_REC, "Debug file-list operations (levels 1-4)"),
292 DEBUG_WORD(FUZZY, W_REC, "Debug fuzzy scoring (levels 1-2)"),
293 DEBUG_WORD(GENR, W_REC, "Debug generator functions"),
294 DEBUG_WORD(HASH, W_SND|W_REC, "Debug hashtable code"),
295 DEBUG_WORD(HLINK, W_SND|W_REC, "Debug hard-link actions (levels 1-3)"),
296 DEBUG_WORD(ICONV, W_CLI|W_SRV, "Debug iconv character conversions (levels 1-2)"),
297 DEBUG_WORD(IO, W_CLI|W_SRV, "Debug I/O routines (levels 1-4)"),
298 DEBUG_WORD(NSTR, W_CLI|W_SRV, "Debug negotiation strings"),
299 DEBUG_WORD(OWN, W_REC, "Debug ownership changes in users & groups (levels 1-2)"),
300 DEBUG_WORD(PROTO, W_CLI|W_SRV, "Debug protocol information"),
301 DEBUG_WORD(RECV, W_REC, "Debug receiver functions"),
302 DEBUG_WORD(SEND, W_SND, "Debug sender functions"),
303 DEBUG_WORD(TIME, W_REC, "Debug setting of modified times (levels 1-2)"),
304 { NULL, "--debug", 0, 0, 0, 0 }
307 static int verbose = 0;
308 static int do_stats = 0;
309 static int do_progress = 0;
310 static int daemon_opt; /* sets am_daemon after option error-reporting */
311 static int omit_dir_times = 0;
312 static int omit_link_times = 0;
313 static int F_option_cnt = 0;
314 static int modify_window_set;
315 static int itemize_changes = 0;
316 static int refused_delete, refused_archive_part, refused_compress;
317 static int refused_partial, refused_progress, refused_delete_before;
318 static int refused_delete_during;
319 static int refused_inplace, refused_no_iconv;
320 static BOOL usermap_via_chown, groupmap_via_chown;
321 static char *outbuf_mode;
322 static char *bwlimit_arg, *max_size_arg, *min_size_arg;
323 static char tmp_partialdir[] = ".~tmp~";
325 /** Local address to bind. As a character string because it's
326 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
327 * address, or a hostname. **/
330 static void output_item_help(struct output_struct *words);
332 /* This constructs a string that represents all the options set for either
333 * the --info or --debug setting, skipping any implied options (by -v, etc.).
334 * This is used both when conveying the user's options to the server, and
335 * when the help output wants to tell the user what options are implied. */
336 static char *make_output_option(struct output_struct *words, short *levels, uchar where)
338 char *str = words == info_words ? "--info=" : "--debug=";
339 int j, counts[MAX_OUT_LEVEL+1], pos, skipped = 0, len = 0, max = 0, lev = 0;
340 int word_count = words == info_words ? COUNT_INFO : COUNT_DEBUG;
343 memset(counts, 0, sizeof counts);
345 for (j = 0; words[j].name; j++) {
346 if (words[j].flag != j) {
347 rprintf(FERROR, "rsync: internal error on %s%s: %d != %d\n",
348 words == info_words ? "INFO_" : "DEBUG_",
349 words[j].name, words[j].flag, j);
350 exit_cleanup(RERR_UNSUPPORTED);
352 if (!(words[j].where & where))
354 if (words[j].priority == DEFAULT_PRIORITY) {
355 /* Implied items don't need to be mentioned. */
359 len += len ? 1 : strlen(str);
360 len += strlen(words[j].name);
361 len += levels[j] == 1 ? 0 : 1;
363 if (words[j].priority == HELP_PRIORITY)
364 continue; /* no abbreviating for help */
366 assert(levels[j] <= MAX_OUT_LEVEL);
367 if (++counts[levels[j]] > max) {
368 /* Determine which level has the most items. */
374 /* Sanity check the COUNT_* define against the length of the table. */
375 if (j != word_count) {
376 rprintf(FERROR, "rsync: internal error: %s is wrong! (%d != %d)\n",
377 words == info_words ? "COUNT_INFO" : "COUNT_DEBUG",
379 exit_cleanup(RERR_UNSUPPORTED);
386 buf = new_array(char, len);
389 if (skipped || max < 5)
393 pos += snprintf(buf, len, "%sNONE", str);
395 pos += snprintf(buf, len, "%sALL", str);
397 pos += snprintf(buf, len, "%sALL%d", str, lev);
400 for (j = 0; words[j].name && pos < len; j++) {
401 if (words[j].priority == DEFAULT_PRIORITY || levels[j] == lev || !(words[j].where & where))
406 pos += strlcpy(buf+pos, str, len-pos);
408 pos += strlcpy(buf+pos, words[j].name, len-pos);
409 /* Level 1 is implied by the name alone. */
410 if (levels[j] != 1 && pos < len)
411 buf[pos++] = '0' + levels[j];
419 static void parse_output_words(struct output_struct *words, short *levels, const char *str, uchar priority)
424 for ( ; str; str = s) {
425 if ((s = strchr(str, ',')) != NULL)
432 while (len && isDigit(str+len-1))
435 lev = isDigit(str+len) ? atoi(str+len) : 1;
436 if (lev > MAX_OUT_LEVEL)
438 if (len == 4 && strncasecmp(str, "help", 4) == 0) {
439 output_item_help(words);
442 if (len == 4 && strncasecmp(str, "none", 4) == 0)
444 else if (len == 3 && strncasecmp(str, "all", 3) == 0)
446 for (j = 0; words[j].name; j++) {
448 || (len == words[j].namelen && strncasecmp(str, words[j].name, len) == 0)) {
449 if (priority >= words[j].priority) {
450 words[j].priority = priority;
457 if (len && !words[j].name && !am_server) {
458 rprintf(FERROR, "Unknown %s item: \"%.*s\"\n",
459 words[j].help, len, str);
460 exit_cleanup(RERR_SYNTAX);
465 /* Tell the user what all the info or debug flags mean. */
466 static void output_item_help(struct output_struct *words)
468 short *levels = words == info_words ? info_levels : debug_levels;
469 const char **verbosity = words == info_words ? info_verbosity : debug_verbosity;
470 char buf[128], *opt, *fmt = "%-10s %s\n";
473 reset_output_levels();
475 rprintf(FINFO, "Use OPT or OPT1 for level 1 output, OPT2 for level 2, etc.; OPT0 silences.\n");
476 rprintf(FINFO, "\n");
477 for (j = 0; words[j].name; j++)
478 rprintf(FINFO, fmt, words[j].name, words[j].help);
479 rprintf(FINFO, "\n");
481 snprintf(buf, sizeof buf, "Set all %s options (e.g. all%d)",
482 words[j].help, MAX_OUT_LEVEL);
483 rprintf(FINFO, fmt, "ALL", buf);
485 snprintf(buf, sizeof buf, "Silence all %s options (same as all0)",
487 rprintf(FINFO, fmt, "NONE", buf);
489 rprintf(FINFO, fmt, "HELP", "Output this help message");
490 rprintf(FINFO, "\n");
491 rprintf(FINFO, "Options added for each increase in verbose level:\n");
493 for (j = 1; j <= MAX_VERBOSITY; j++) {
494 parse_output_words(words, levels, verbosity[j], HELP_PRIORITY);
495 opt = make_output_option(words, levels, W_CLI|W_SRV|W_SND|W_REC);
497 rprintf(FINFO, "%d) %s\n", j, strchr(opt, '=')+1);
500 reset_output_levels();
504 /* The --verbose option now sets info+debug flags. */
505 static void set_output_verbosity(int level, uchar priority)
509 if (level > MAX_VERBOSITY)
510 level = MAX_VERBOSITY;
512 for (j = 1; j <= level; j++) {
513 parse_output_words(info_words, info_levels, info_verbosity[j], priority);
514 parse_output_words(debug_words, debug_levels, debug_verbosity[j], priority);
518 /* Limit the info+debug flag levels given a verbose-option level limit. */
519 void limit_output_verbosity(int level)
521 short info_limits[COUNT_INFO], debug_limits[COUNT_DEBUG];
524 if (level > MAX_VERBOSITY)
527 memset(info_limits, 0, sizeof info_limits);
528 memset(debug_limits, 0, sizeof debug_limits);
530 /* Compute the level limits in the above arrays. */
531 for (j = 1; j <= level; j++) {
532 parse_output_words(info_words, info_limits, info_verbosity[j], LIMIT_PRIORITY);
533 parse_output_words(debug_words, debug_limits, debug_verbosity[j], LIMIT_PRIORITY);
536 for (j = 0; j < COUNT_INFO; j++) {
537 if (info_levels[j] > info_limits[j])
538 info_levels[j] = info_limits[j];
541 for (j = 0; j < COUNT_DEBUG; j++) {
542 if (debug_levels[j] > debug_limits[j])
543 debug_levels[j] = debug_limits[j];
547 void reset_output_levels(void)
551 memset(info_levels, 0, sizeof info_levels);
552 memset(debug_levels, 0, sizeof debug_levels);
554 for (j = 0; j < COUNT_INFO; j++)
555 info_words[j].priority = DEFAULT_PRIORITY;
557 for (j = 0; j < COUNT_DEBUG; j++)
558 debug_words[j].priority = DEFAULT_PRIORITY;
561 void negate_output_levels(void)
565 for (j = 0; j < COUNT_INFO; j++)
566 info_levels[j] *= -1;
568 for (j = 0; j < COUNT_DEBUG; j++)
569 debug_levels[j] *= -1;
572 enum {OPT_SERVER = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
573 OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP,
574 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD,
575 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
576 OPT_NO_D, OPT_APPEND, OPT_NO_ICONV, OPT_INFO, OPT_DEBUG, OPT_BLOCK_SIZE,
577 OPT_USERMAP, OPT_GROUPMAP, OPT_CHOWN, OPT_BWLIMIT, OPT_STDERR,
578 OPT_OLD_COMPRESS, OPT_NEW_COMPRESS, OPT_NO_COMPRESS,
579 OPT_STOP_AFTER, OPT_STOP_AT,
580 OPT_REFUSED_BASE = 9000};
582 static struct poptOption long_options[] = {
583 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
584 {"help", 0, POPT_ARG_NONE, 0, OPT_HELP, 0, 0 },
585 {"version", 'V', POPT_ARG_NONE, 0, 'V', 0, 0},
586 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
587 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
588 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
589 {"info", 0, POPT_ARG_STRING, 0, OPT_INFO, 0, 0 },
590 {"debug", 0, POPT_ARG_STRING, 0, OPT_DEBUG, 0, 0 },
591 {"stderr", 0, POPT_ARG_STRING, 0, OPT_STDERR, 0, 0 },
592 {"msgs2stderr", 0, POPT_ARG_VAL, &msgs2stderr, 1, 0, 0 },
593 {"no-msgs2stderr", 0, POPT_ARG_VAL, &msgs2stderr, 0, 0, 0 },
594 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
595 {"motd", 0, POPT_ARG_VAL, &output_motd, 1, 0, 0 },
596 {"no-motd", 0, POPT_ARG_VAL, &output_motd, 0, 0, 0 },
597 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
598 {"human-readable", 'h', POPT_ARG_NONE, 0, 'h', 0, 0},
599 {"no-human-readable",0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
600 {"no-h", 0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
601 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
602 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
603 {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 },
604 {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
605 {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
606 {"inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
607 {"no-inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
608 {"i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
609 {"no-i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
610 {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
611 {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
612 {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
613 {"old-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
614 {"old-d", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
615 {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
616 {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
617 {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
618 {"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 },
619 {"acls", 'A', POPT_ARG_NONE, 0, 'A', 0, 0 },
620 {"no-acls", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
621 {"no-A", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
622 {"xattrs", 'X', POPT_ARG_NONE, 0, 'X', 0, 0 },
623 {"no-xattrs", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
624 {"no-X", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
625 {"times", 't', POPT_ARG_VAL, &preserve_times, 1, 0, 0 },
626 {"no-times", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
627 {"no-t", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
628 {"atimes", 'U', POPT_ARG_NONE, 0, 'U', 0, 0 },
629 {"no-atimes", 0, POPT_ARG_VAL, &preserve_atimes, 0, 0, 0 },
630 {"no-U", 0, POPT_ARG_VAL, &preserve_atimes, 0, 0, 0 },
631 {"open-noatime", 0, POPT_ARG_VAL, &open_noatime, 1, 0, 0 },
632 {"no-open-noatime", 0, POPT_ARG_VAL, &open_noatime, 0, 0, 0 },
633 {"crtimes", 'N', POPT_ARG_VAL, &preserve_crtimes, 1, 0, 0 },
634 {"no-crtimes", 0, POPT_ARG_VAL, &preserve_crtimes, 0, 0, 0 },
635 {"no-N", 0, POPT_ARG_VAL, &preserve_crtimes, 0, 0, 0 },
636 {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 1, 0, 0 },
637 {"no-omit-dir-times",0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
638 {"no-O", 0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
639 {"omit-link-times", 'J', POPT_ARG_VAL, &omit_link_times, 1, 0, 0 },
640 {"no-omit-link-times",0, POPT_ARG_VAL, &omit_link_times, 0, 0, 0 },
641 {"no-J", 0, POPT_ARG_VAL, &omit_link_times, 0, 0, 0 },
642 {"modify-window", '@', POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
643 {"super", 0, POPT_ARG_VAL, &am_root, 2, 0, 0 },
644 {"no-super", 0, POPT_ARG_VAL, &am_root, 0, 0, 0 },
645 {"fake-super", 0, POPT_ARG_VAL, &am_root, -1, 0, 0 },
646 {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 },
647 {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
648 {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
649 {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 },
650 {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
651 {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
652 {0, 'D', POPT_ARG_NONE, 0, 'D', 0, 0 },
653 {"no-D", 0, POPT_ARG_NONE, 0, OPT_NO_D, 0, 0 },
654 {"devices", 0, POPT_ARG_VAL, &preserve_devices, 1, 0, 0 },
655 {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
656 {"write-devices", 0, POPT_ARG_VAL, &write_devices, 1, 0, 0 },
657 {"no-write-devices", 0, POPT_ARG_VAL, &write_devices, 0, 0, 0 },
658 {"specials", 0, POPT_ARG_VAL, &preserve_specials, 1, 0, 0 },
659 {"no-specials", 0, POPT_ARG_VAL, &preserve_specials, 0, 0, 0 },
660 {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 },
661 {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
662 {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
663 {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 },
664 {"copy-unsafe-links",0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 },
665 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
666 {"munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 1, 0, 0 },
667 {"no-munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 0, 0, 0 },
668 {"copy-dirlinks", 'k', POPT_ARG_NONE, ©_dirlinks, 0, 0, 0 },
669 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
670 {"hard-links", 'H', POPT_ARG_NONE, 0, 'H', 0, 0 },
671 {"no-hard-links", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
672 {"no-H", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
673 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
674 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
675 {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
676 {"implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
677 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
678 {"i-d", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
679 {"no-i-d", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
680 {"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 },
681 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
682 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
683 {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 },
684 {"no-one-file-system",0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
685 {"no-x", 0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
686 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
687 {"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
688 {"ignore-non-existing",0,POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
689 {"ignore-existing", 0, POPT_ARG_NONE, &ignore_existing, 0, 0, 0 },
690 {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
691 {"min-size", 0, POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 },
692 {"max-alloc", 0, POPT_ARG_STRING, &max_alloc_arg, 0, 0, 0 },
693 {"sparse", 'S', POPT_ARG_VAL, &sparse_files, 1, 0, 0 },
694 {"no-sparse", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
695 {"no-S", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
696 {"preallocate", 0, POPT_ARG_NONE, &preallocate_files, 0, 0, 0},
697 {"inplace", 0, POPT_ARG_VAL, &inplace, 1, 0, 0 },
698 {"no-inplace", 0, POPT_ARG_VAL, &inplace, 0, 0, 0 },
699 {"append", 0, POPT_ARG_NONE, 0, OPT_APPEND, 0, 0 },
700 {"append-verify", 0, POPT_ARG_VAL, &append_mode, 2, 0, 0 },
701 {"no-append", 0, POPT_ARG_VAL, &append_mode, 0, 0, 0 },
702 {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
703 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
704 {"delete-before", 0, POPT_ARG_NONE, &delete_before, 0, 0, 0 },
705 {"delete-during", 0, POPT_ARG_VAL, &delete_during, 1, 0, 0 },
706 {"delete-delay", 0, POPT_ARG_VAL, &delete_during, 2, 0, 0 },
707 {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
708 {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
709 {"delete-missing-args",0,POPT_BIT_SET, &missing_args, 2, 0, 0 },
710 {"ignore-missing-args",0,POPT_BIT_SET, &missing_args, 1, 0, 0 },
711 {"remove-sent-files",0, POPT_ARG_VAL, &remove_source_files, 2, 0, 0 }, /* deprecated */
712 {"remove-source-files",0,POPT_ARG_VAL, &remove_source_files, 1, 0, 0 },
713 {"force", 0, POPT_ARG_VAL, &force_delete, 1, 0, 0 },
714 {"no-force", 0, POPT_ARG_VAL, &force_delete, 0, 0, 0 },
715 {"ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 1, 0, 0 },
716 {"no-ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 0, 0, 0 },
717 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
718 {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
719 {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
720 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
721 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
722 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
723 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
724 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
725 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
726 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
727 {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
728 {"checksum", 'c', POPT_ARG_VAL, &always_checksum, 1, 0, 0 },
729 {"no-checksum", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
730 {"no-c", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
731 {"checksum-choice", 0, POPT_ARG_STRING, &checksum_choice, 0, 0, 0 },
732 {"cc", 0, POPT_ARG_STRING, &checksum_choice, 0, 0, 0 },
733 {"block-size", 'B', POPT_ARG_STRING, 0, OPT_BLOCK_SIZE, 0, 0 },
734 {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
735 {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
736 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
737 {"fuzzy", 'y', POPT_ARG_NONE, 0, 'y', 0, 0 },
738 {"no-fuzzy", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
739 {"no-y", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
740 {"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 },
741 {"old-compress", 0, POPT_ARG_NONE, 0, OPT_OLD_COMPRESS, 0, 0 },
742 {"new-compress", 0, POPT_ARG_NONE, 0, OPT_NEW_COMPRESS, 0, 0 },
743 {"no-compress", 0, POPT_ARG_NONE, 0, OPT_NO_COMPRESS, 0, 0 },
744 {"no-z", 0, POPT_ARG_NONE, 0, OPT_NO_COMPRESS, 0, 0 },
745 {"compress-choice", 0, POPT_ARG_STRING, &compress_choice, 0, 0, 0 },
746 {"zc", 0, POPT_ARG_STRING, &compress_choice, 0, 0, 0 },
747 {"skip-compress", 0, POPT_ARG_STRING, &skip_compress, 0, 0, 0 },
748 {"compress-level", 0, POPT_ARG_INT, &do_compression_level, 0, 0, 0 },
749 {"zl", 0, POPT_ARG_INT, &do_compression_level, 0, 0, 0 },
750 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
751 {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 },
752 {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 },
753 {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 },
754 {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 },
755 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
756 {"delay-updates", 0, POPT_ARG_VAL, &delay_updates, 1, 0, 0 },
757 {"no-delay-updates", 0, POPT_ARG_VAL, &delay_updates, 0, 0, 0 },
758 {"prune-empty-dirs",'m', POPT_ARG_VAL, &prune_empty_dirs, 1, 0, 0 },
759 {"no-prune-empty-dirs",0,POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
760 {"no-m", 0, POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
761 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
762 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
763 {"out-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 },
764 {"log-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 }, /* DEPRECATED */
765 {"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 },
766 {"no-itemize-changes",0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
767 {"no-i", 0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
768 {"bwlimit", 0, POPT_ARG_STRING, &bwlimit_arg, OPT_BWLIMIT, 0, 0 },
769 {"no-bwlimit", 0, POPT_ARG_VAL, &bwlimit, 0, 0, 0 },
770 {"backup", 'b', POPT_ARG_VAL, &make_backups, 1, 0, 0 },
771 {"no-backup", 0, POPT_ARG_VAL, &make_backups, 0, 0, 0 },
772 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
773 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
774 {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
775 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
776 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
777 {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
778 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
779 {"from0", '0', POPT_ARG_VAL, &eol_nulls, 1, 0, 0},
780 {"no-from0", 0, POPT_ARG_VAL, &eol_nulls, 0, 0, 0},
781 {"protect-args", 's', POPT_ARG_VAL, &protect_args, 1, 0, 0},
782 {"no-protect-args", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
783 {"no-s", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
784 {"numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 1, 0, 0 },
785 {"no-numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 0, 0, 0 },
786 {"usermap", 0, POPT_ARG_STRING, 0, OPT_USERMAP, 0, 0 },
787 {"groupmap", 0, POPT_ARG_STRING, 0, OPT_GROUPMAP, 0, 0 },
788 {"chown", 0, POPT_ARG_STRING, 0, OPT_CHOWN, 0, 0 },
789 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
790 {"no-timeout", 0, POPT_ARG_VAL, &io_timeout, 0, 0, 0 },
791 {"contimeout", 0, POPT_ARG_INT, &connect_timeout, 0, 0, 0 },
792 {"no-contimeout", 0, POPT_ARG_VAL, &connect_timeout, 0, 0, 0 },
793 {"fsync", 0, POPT_ARG_NONE, &do_fsync, 0, 0, 0 },
794 {"stop-after", 0, POPT_ARG_STRING, 0, OPT_STOP_AFTER, 0, 0 },
795 {"time-limit", 0, POPT_ARG_STRING, 0, OPT_STOP_AFTER, 0, 0 }, /* earlier stop-after name */
796 {"stop-at", 0, POPT_ARG_STRING, 0, OPT_STOP_AT, 0, 0 },
797 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
798 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
799 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
800 {"iconv", 0, POPT_ARG_STRING, &iconv_opt, 0, 0, 0 },
801 {"no-iconv", 0, POPT_ARG_NONE, 0, OPT_NO_ICONV, 0, 0 },
802 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
803 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
804 {"8-bit-output", '8', POPT_ARG_VAL, &allow_8bit_chars, 1, 0, 0 },
805 {"no-8-bit-output", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
806 {"no-8", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
807 {"mkpath", 0, POPT_ARG_VAL, &mkpath_dest_arg, 1, 0, 0 },
808 {"no-mkpath", 0, POPT_ARG_VAL, &mkpath_dest_arg, 0, 0, 0 },
809 {"qsort", 0, POPT_ARG_NONE, &use_qsort, 0, 0, 0 },
810 {"copy-as", 0, POPT_ARG_STRING, ©_as, 0, 0, 0 },
811 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
812 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
813 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
814 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
815 {"early-input", 0, POPT_ARG_STRING, &early_input_file, 0, 0, 0 },
816 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
817 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
818 {"outbuf", 0, POPT_ARG_STRING, &outbuf_mode, 0, 0, 0 },
819 {"remote-option", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
820 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
821 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
822 {"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 },
823 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
824 /* All the following options switch us into daemon-mode option-parsing. */
825 {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
826 {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
827 {"dparam", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
828 {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
829 {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
833 static struct poptOption long_daemon_options[] = {
834 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
835 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
836 {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
837 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
838 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
839 {"dparam", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
840 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
841 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
842 {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
843 {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
844 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
845 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
846 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
847 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
848 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
849 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
850 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
851 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
852 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
853 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
854 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
859 static char err_buf[200];
863 * Store the option error message, if any, so that we can log the
864 * connection attempt (which requires parsing the options), and then
865 * show the error later on.
867 void option_error(void)
870 strlcpy(err_buf, "Error parsing options: option may "
871 "be supported on client but not on server?\n",
875 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
881 static void parse_one_refuse_match(int negated, const char *ref, const struct poptOption *list_end)
883 struct poptOption *op;
885 int is_wild = strpbrk(ref, "*?[") != NULL;
890 if (strcmp("a", ref) == 0 || strcmp("archive", ref) == 0) {
895 for (op = long_options; op != list_end; op++) {
896 *shortName = op->shortName;
897 if ((op->longName && wildmatch(ref, op->longName))
898 || (*shortName && wildmatch(ref, shortName))) {
899 if (op->descrip[1] == '*')
900 op->descrip = negated ? "a*" : "r*";
902 op->descrip = negated ? "a=" : "r=";
910 rprintf(FLOG, "No match for refuse-options string \"%s\"\n", ref);
915 * Tweak the option table to disable all options that the rsyncd.conf
916 * file has told us to refuse.
918 static void set_refuse_options(void)
920 struct poptOption *op, *list_end = NULL;
921 char *cp, *ref = lp_refuse_options(module_id);
930 /* We abuse the descrip field in poptOption to make it easy to flag which options
931 * are refused (since we don't use it otherwise). Start by marking all options
932 * as "a"ccepted with a few options also marked as non-wild. */
933 for (op = long_options; ; op++) {
934 const char *longName = op->longName ? op->longName : "";
935 if (!op->longName && !op->shortName) {
940 || op->shortName == 'e' /* Required for compatibility flags */
941 || op->shortName == '0' /* --from0 just modifies --files-from, so refuse that instead (or not) */
942 || op->shortName == 's' /* --protect-args is always OK */
943 || op->shortName == 'n' /* --dry-run is always OK */
944 || strcmp("iconv", longName) == 0
945 || strcmp("no-iconv", longName) == 0
946 || strcmp("checksum-seed", longName) == 0
947 || strcmp("write-devices", longName) == 0 /* disable wild-match (it gets refused below) */
948 || strcmp("log-format", longName) == 0 /* aka out-format (NOT log-file-format) */
949 || strcmp("sender", longName) == 0
950 || strcmp("server", longName) == 0)
951 op->descrip = "a="; /* exact-match only */
953 op->descrip = "a*"; /* wild-card-able */
955 assert(list_end != NULL);
957 if (am_daemon) { /* Refused by default, but can be accepted via a negated exact match. */
958 parse_one_refuse_match(0, "write-devices", list_end);
962 while (*ref == ' ') ref++;
965 if ((cp = strchr(ref, ' ')) != NULL)
967 negated = *ref == '!';
968 if (negated && ref[1])
970 parse_one_refuse_match(negated, ref, list_end);
979 if (!*lp_charset(module_id))
980 parse_one_refuse_match(0, "iconv", list_end);
982 parse_one_refuse_match(0, "log-file*", list_end);
985 #ifndef SUPPORT_ATIMES
986 parse_one_refuse_match(0, "atimes", list_end);
988 #ifndef SUPPORT_HARD_LINKS
989 parse_one_refuse_match(0, "link-dest", list_end);
992 parse_one_refuse_match(0, "stop-at", list_end);
995 parse_one_refuse_match(0, "iconv", list_end);
998 parse_one_refuse_match(0, "outbuf", list_end);
1000 #ifndef SUPPORT_CRTIMES
1001 parse_one_refuse_match(0, "crtimes", list_end);
1004 /* Now we use the descrip values to actually mark the options for refusal. */
1005 for (op = long_options; op != list_end; op++) {
1006 int refused = op->descrip[0] == 'r';
1010 if (op->argInfo == POPT_ARG_VAL)
1011 op->argInfo = POPT_ARG_NONE;
1012 op->val = (op - long_options) + OPT_REFUSED_BASE;
1013 /* The following flags are set to let us easily check an implied option later in the code. */
1014 switch (op->shortName) {
1015 case 'r': case 'd': case 'l': case 'p':
1016 case 't': case 'g': case 'o': case 'D':
1017 refused_archive_part = op->val;
1020 refused_compress = op->val;
1023 if (strcmp("delete", op->longName) == 0)
1024 refused_delete = op->val;
1025 else if (strcmp("delete-before", op->longName) == 0)
1026 refused_delete_before = op->val;
1027 else if (strcmp("delete-during", op->longName) == 0)
1028 refused_delete_during = op->val;
1029 else if (strcmp("partial", op->longName) == 0)
1030 refused_partial = op->val;
1031 else if (strcmp("progress", op->longName) == 0)
1032 refused_progress = op->val;
1033 else if (strcmp("inplace", op->longName) == 0)
1034 refused_inplace = op->val;
1035 else if (strcmp("no-iconv", op->longName) == 0)
1036 refused_no_iconv = op->val;
1043 static int count_args(const char **argv)
1048 while (argv[i] != NULL)
1055 /* If the size_arg is an invalid string or the value is < min_value, an error
1056 * is put into err_buf & the return is -1. Note that this parser does NOT
1057 * support negative numbers, so a min_value < 0 doesn't make any sense. */
1058 static ssize_t parse_size_arg(const char *size_arg, char def_suf, const char *opt_name,
1059 ssize_t min_value, ssize_t max_value, BOOL unlimited_0)
1061 int reps, mult, len;
1062 const char *arg, *err = "invalid", *min_max = NULL;
1063 ssize_t limit = -1, size = 1;
1065 for (arg = size_arg; isDigit(arg); arg++) {}
1066 if (*arg == '.' || *arg == get_decimal_point()) /* backward compatibility: always allow '.' */
1067 for (arg++; isDigit(arg); arg++) {}
1068 switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) {
1090 if (*arg == 'b' || *arg == 'B')
1092 else if (!*arg || *arg == '+' || *arg == '-')
1094 else if (strncasecmp(arg, "ib", 2) == 0)
1095 mult = 1024, arg += 2;
1100 size *= atof(size_arg);
1101 if ((*arg == '+' || *arg == '-') && arg[1] == '1' && arg != size_arg)
1102 size += atoi(arg), arg += 2;
1105 if (size < 0 || (max_value >= 0 && size > max_value)) {
1111 if (size < min_value && (!unlimited_0 || size != 0)) {
1120 len = snprintf(err_buf, sizeof err_buf - 1, "--%s=%s is %s", opt_name, size_arg, err);
1121 if (min_max && limit >= 0 && len < (int)sizeof err_buf - 10) {
1122 len += snprintf(err_buf + len, sizeof err_buf - len - 1, " (%s: %s%s)",
1123 min_max, do_big_num(limit, 3, NULL),
1124 unlimited_0 && min_max[1] == 'i' ? " or 0 for unlimited" : "");
1126 err_buf[len] = '\n';
1127 err_buf[len+1] = '\0';
1132 /* Allow the user to specify a time in the format yyyy-mm-ddThh:mm while
1133 * also allowing abbreviated data. For instance, if the time is omitted,
1134 * it defaults to midnight. If the date is omitted, it defaults to the
1135 * next possible date in the future with the specified time. Even the
1136 * year or year-month can be omitted, again defaulting to the next date
1137 * in the future that matches the specified information. A 2-digit year
1138 * is also OK, as is using '/' instead of '-'. */
1139 static time_t parse_time(const char *arg)
1142 time_t val, now = time(NULL);
1143 struct tm t, *today = localtime(&now);
1144 int in_date, old_mday, n;
1146 memset(&t, 0, sizeof t);
1147 t.tm_year = t.tm_mon = t.tm_mday = -1;
1148 t.tm_hour = t.tm_min = t.tm_isdst = -1;
1150 if (*cp == 'T' || *cp == 't' || *cp == ':') {
1151 in_date = *cp == ':' ? 0 : -1;
1160 n = n * 10 + *cp++ - '0';
1161 } while (isDigit(cp));
1165 if (t.tm_year != -1)
1167 t.tm_year = t.tm_mon;
1168 t.tm_mon = t.tm_mday;
1172 if (*cp == 'T' || *cp == 't') {
1176 } else if (*cp != '-' && *cp != '/')
1180 if (t.tm_hour != -1)
1182 t.tm_hour = t.tm_min;
1195 if (t.tm_year < 0) {
1196 t.tm_year = today->tm_year;
1198 } else if (t.tm_year < 100) {
1199 while (t.tm_year < today->tm_year)
1204 t.tm_mon = today->tm_mon;
1208 if (t.tm_mday < 0) {
1209 t.tm_mday = today->tm_mday;
1215 t.tm_hour = t.tm_min = 0;
1216 } else if (t.tm_hour < 0) {
1220 t.tm_hour = today->tm_hour;
1224 /* Note that mktime() might change a too-large tm_mday into the start of
1225 * the following month which we need to undo in the following code! */
1226 old_mday = t.tm_mday;
1227 if (t.tm_hour > 23 || t.tm_min > 59
1228 || t.tm_mon < 0 || t.tm_mon >= 12
1229 || t.tm_mday < 1 || t.tm_mday > 31
1230 || (val = mktime(&t)) == (time_t)-1)
1233 while (in_date && (val <= now || t.tm_mday < old_mday)) {
1236 old_mday = ++t.tm_mday;
1239 if (t.tm_mday < old_mday)
1240 t.tm_mday = old_mday; /* The month already got bumped forward */
1241 else if (++t.tm_mon == 12) {
1247 if (t.tm_mday < old_mday) {
1248 /* mon==1 mday==29 got bumped to mon==2 */
1249 if (t.tm_mon != 2 || old_mday != 29)
1257 if ((val = mktime(&t)) == (time_t)-1) {
1258 /* This code shouldn't be needed, as mktime() should auto-round to the next month. */
1259 if (in_date != 3 || t.tm_mday <= 28)
1261 t.tm_mday = old_mday = 1;
1273 static void create_refuse_error(int which)
1277 msg = "The server is configured to refuse";
1279 msg = "The server does not support";
1281 msg = "This rsync does not support";
1283 /* The "which" value is the index + OPT_REFUSED_BASE. */
1284 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
1285 int n = snprintf(err_buf, sizeof err_buf, "%s --%s\n", msg, op->longName) - 1;
1287 snprintf(err_buf + n, sizeof err_buf - n, " (-%c)\n", op->shortName);
1290 /* This is used to make sure that --daemon & --server cannot be aliased to
1291 * something else. These options have always disabled popt aliases for the
1292 * parsing of a daemon or server command-line, but we have to make sure that
1293 * these options cannot vanish so that the alias disabling can take effect. */
1294 static void popt_unalias(poptContext con, const char *opt)
1296 struct poptAlias unalias;
1298 memset(&unalias, 0, sizeof unalias);
1300 unalias.longName = opt + 2; /* point past the leading "--" */
1302 unalias.argv = new_array0(const char*, 2);
1303 unalias.argv[0] = strdup(opt);
1305 poptAddAlias(con, unalias, 0);
1308 char *alt_dest_opt(int type)
1311 type = alt_dest_type;
1315 return "--compare-dest";
1317 return "--copy-dest";
1319 return "--link-dest";
1321 NOISY_DEATH("Unknown alt_dest_opt type");
1326 * Process command line arguments. Called on both local and remote.
1328 * @retval 1 if all options are OK; with globals set to appropriate
1331 * @retval 0 on error, with err_buf containing an explanation
1333 int parse_arguments(int *argc_p, const char ***argv_p)
1335 static poptContext pc;
1336 const char *arg, **argv = *argv_p;
1338 int opt, want_dest_type;
1339 int orig_protect_args = protect_args;
1342 strlcpy(err_buf, "argc is zero!\n", sizeof err_buf);
1346 set_refuse_options();
1349 if (!am_daemon && protect_args <= 0 && (arg = getenv("RSYNC_ICONV")) != NULL && *arg)
1350 iconv_opt = strdup(arg);
1353 /* TODO: Call poptReadDefaultConfig; handle errors. */
1355 /* The context leaks in case of an error, but if there's a
1356 * problem we always exit anyhow. */
1358 poptFreeContext(pc);
1359 pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
1361 poptReadDefaultConfig(pc, 0);
1362 popt_unalias(pc, "--daemon");
1363 popt_unalias(pc, "--server");
1366 while ((opt = poptGetNextOpt(pc)) != -1) {
1367 /* most options are handled automatically by popt;
1368 * only special cases are returned and listed here. */
1377 /* Disable popt aliases on the server side and
1378 * then start parsing the options again. */
1379 poptFreeContext(pc);
1380 pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
1391 exit_cleanup(RERR_SYNTAX);
1399 "Attempt to hack rsync thwarted!\n",
1407 poptFreeContext(pc);
1408 pc = poptGetContext(RSYNC_NAME, argc, argv, long_daemon_options, 0);
1409 while ((opt = poptGetNextOpt(pc)) != -1) {
1413 daemon_usage(FINFO);
1417 arg = poptGetOptArg(pc);
1418 if (!strchr(arg, '=')) {
1420 "--dparam value is missing an '=': %s\n",
1424 cpp = EXPAND_ITEM_LIST(&dparam_list, char *, 4);
1434 "rsync: %s: %s (in daemon mode)\n",
1435 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1441 if (dparam_list.count && !set_dparams(1))
1442 exit_cleanup(RERR_SYNTAX);
1444 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
1445 snprintf(err_buf, sizeof err_buf,
1446 "the --temp-dir path is WAY too long.\n");
1451 rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
1453 rprintf(FERROR, "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
1454 exit_cleanup(RERR_SYNTAX);
1457 *argv_p = argv = poptGetArgs(pc);
1458 *argc_p = argc = count_args(argv);
1464 case OPT_MODIFY_WINDOW:
1465 /* The value has already been set by popt, but
1466 * we need to remember that we're using a
1467 * non-default setting. */
1468 modify_window_set = 1;
1472 parse_filter_str(&filter_list, poptGetOptArg(pc),
1473 rule_template(0), 0);
1477 parse_filter_str(&filter_list, poptGetOptArg(pc),
1478 rule_template(0), XFLG_OLD_PREFIXES);
1482 parse_filter_str(&filter_list, poptGetOptArg(pc),
1483 rule_template(FILTRULE_INCLUDE), XFLG_OLD_PREFIXES);
1486 case OPT_EXCLUDE_FROM:
1487 case OPT_INCLUDE_FROM:
1488 arg = poptGetOptArg(pc);
1490 arg = sanitize_path(NULL, arg, NULL, 0, SP_DEFAULT);
1491 if (daemon_filter_list.head) {
1493 char *cp = strdup(arg);
1497 char *dir = cp + (*cp == '/' ? module_dirlen : 0);
1498 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1499 rej = check_filter(&daemon_filter_list, FLOG, dir, 0) < 0;
1503 goto options_rejected;
1505 parse_filter_file(&filter_list, arg,
1506 rule_template(opt == OPT_INCLUDE_FROM ? FILTRULE_INCLUDE : 0),
1507 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
1511 if (refused_archive_part) {
1512 create_refuse_error(refused_archive_part);
1515 if (!recurse) /* preserve recurse == 2 */
1517 #ifdef SUPPORT_LINKS
1524 preserve_devices = 1;
1525 preserve_specials = 1;
1529 preserve_devices = preserve_specials = 1;
1533 preserve_devices = preserve_specials = 0;
1541 preserve_hard_links++;
1549 if (++preserve_atimes > 1)
1570 switch (++F_option_cnt) {
1572 parse_filter_str(&filter_list,": /.rsync-filter",rule_template(0),0);
1575 parse_filter_str(&filter_list,"- .rsync-filter",rule_template(0),0);
1581 if (refused_partial || refused_progress) {
1582 create_refuse_error(refused_partial ? refused_partial : refused_progress);
1593 case OPT_OLD_COMPRESS:
1594 compress_choice = "zlib";
1597 case OPT_NEW_COMPRESS:
1598 compress_choice = "zlibx";
1601 case OPT_NO_COMPRESS:
1603 compress_choice = NULL;
1607 arg = poptGetOptArg(pc);
1609 snprintf(err_buf, sizeof err_buf,
1610 "Remote option must start with a dash: %s\n", arg);
1613 if (remote_option_cnt+2 >= remote_option_alloc) {
1614 remote_option_alloc += 16;
1615 remote_options = realloc_array(remote_options,
1616 const char *, remote_option_alloc);
1617 if (!remote_option_cnt)
1618 remote_options[0] = "ARG0";
1620 remote_options[++remote_option_cnt] = arg;
1621 remote_options[remote_option_cnt+1] = NULL;
1624 case OPT_WRITE_BATCH:
1625 /* batch_name is already set */
1629 case OPT_ONLY_WRITE_BATCH:
1630 /* batch_name is already set */
1634 case OPT_READ_BATCH:
1635 /* batch_name is already set */
1645 case OPT_BLOCK_SIZE: {
1646 /* We may not know the real protocol_version at this point if this is the client
1647 * option parsing, but we still want to check it so that the client can specify
1648 * a --protocol=29 option with a larger block size. */
1649 int max_blength = protocol_version < 30 ? OLD_MAX_BLOCK_SIZE : MAX_BLOCK_SIZE;
1651 arg = poptGetOptArg(pc);
1652 if ((size = parse_size_arg(arg, 'b', "block-size", 0, max_blength, False)) < 0)
1654 block_size = (int32)size;
1659 if ((max_size = parse_size_arg(max_size_arg, 'b', "max-size", 0, -1, False)) < 0)
1661 max_size_arg = strdup(do_big_num(max_size, 0, NULL));
1665 if ((min_size = parse_size_arg(min_size_arg, 'b', "min-size", 0, -1, False)) < 0)
1667 min_size_arg = strdup(do_big_num(min_size, 0, NULL));
1671 ssize_t size = parse_size_arg(bwlimit_arg, 'K', "bwlimit", 512, -1, True);
1674 bwlimit_arg = strdup(do_big_num(size, 0, NULL));
1675 bwlimit = (size + 512) / 1024;
1687 want_dest_type = LINK_DEST;
1691 want_dest_type = COPY_DEST;
1694 case OPT_COMPARE_DEST:
1695 want_dest_type = COMPARE_DEST;
1698 if (alt_dest_type && alt_dest_type != want_dest_type) {
1699 snprintf(err_buf, sizeof err_buf,
1700 "ERROR: the %s option conflicts with the %s option\n",
1701 alt_dest_opt(want_dest_type), alt_dest_opt(0));
1704 alt_dest_type = want_dest_type;
1706 if (basis_dir_cnt >= MAX_BASIS_DIRS) {
1707 snprintf(err_buf, sizeof err_buf,
1708 "ERROR: at most %d %s args may be specified\n",
1709 MAX_BASIS_DIRS, alt_dest_opt(0));
1712 /* We defer sanitizing this arg until we know what
1713 * our destination directory is going to be. */
1714 basis_dir[basis_dir_cnt++] = (char *)poptGetOptArg(pc);
1718 arg = poptGetOptArg(pc);
1719 if (!parse_chmod(arg, &chmod_modes)) {
1720 snprintf(err_buf, sizeof err_buf,
1721 "Invalid argument passed to --chmod (%s)\n",
1728 arg = poptGetOptArg(pc);
1729 parse_output_words(info_words, info_levels, arg, USER_PRIORITY);
1733 arg = poptGetOptArg(pc);
1734 parse_output_words(debug_words, debug_levels, arg, USER_PRIORITY);
1739 if (usermap_via_chown) {
1740 snprintf(err_buf, sizeof err_buf,
1741 "--usermap conflicts with prior --chown.\n");
1744 snprintf(err_buf, sizeof err_buf,
1745 "You can only specify --usermap once.\n");
1748 usermap = (char *)poptGetOptArg(pc);
1749 usermap_via_chown = False;
1754 if (groupmap_via_chown) {
1755 snprintf(err_buf, sizeof err_buf,
1756 "--groupmap conflicts with prior --chown.\n");
1759 snprintf(err_buf, sizeof err_buf,
1760 "You can only specify --groupmap once.\n");
1763 groupmap = (char *)poptGetOptArg(pc);
1764 groupmap_via_chown = False;
1768 const char *chown = poptGetOptArg(pc);
1770 if ((arg = strchr(chown, ':')) != NULL)
1771 len = arg++ - chown;
1773 len = strlen(chown);
1776 if (!usermap_via_chown) {
1777 snprintf(err_buf, sizeof err_buf,
1778 "--chown conflicts with prior --usermap.\n");
1781 snprintf(err_buf, sizeof err_buf,
1782 "You can only specify a user-affecting --chown once.\n");
1785 if (asprintf(&usermap, "*:%.*s", len, chown) < 0)
1786 out_of_memory("parse_arguments");
1787 usermap_via_chown = True;
1791 if (!groupmap_via_chown) {
1792 snprintf(err_buf, sizeof err_buf,
1793 "--chown conflicts with prior --groupmap.\n");
1796 snprintf(err_buf, sizeof err_buf,
1797 "You can only specify a group-affecting --chown once.\n");
1800 if (asprintf(&groupmap, "*:%s", arg) < 0)
1801 out_of_memory("parse_arguments");
1802 groupmap_via_chown = True;
1817 /* FIXME: this should probably be ignored with a
1818 * warning and then countermeasures taken to
1819 * restrict group and other access in the presence
1820 * of any more restrictive ACLs, but this is safe
1822 snprintf(err_buf,sizeof(err_buf),
1823 "ACLs are not supported on this %s\n",
1824 am_server ? "server" : "client");
1829 #ifdef SUPPORT_XATTRS
1833 snprintf(err_buf,sizeof(err_buf),
1834 "extended attributes are not supported on this %s\n",
1835 am_server ? "server" : "client");
1839 case OPT_STOP_AFTER: {
1841 arg = poptGetOptArg(pc);
1842 stop_at_utime = time(NULL);
1843 if ((val = atol(arg) * 60) <= 0 || LONG_MAX - val < stop_at_utime || (long)(time_t)val != val) {
1844 snprintf(err_buf, sizeof err_buf, "invalid --stop-after value: %s\n", arg);
1847 stop_at_utime += val;
1853 arg = poptGetOptArg(pc);
1854 if ((stop_at_utime = parse_time(arg)) == (time_t)-1) {
1855 snprintf(err_buf, sizeof err_buf, "invalid --stop-at format: %s\n", arg);
1858 if (stop_at_utime <= time(NULL)) {
1859 snprintf(err_buf, sizeof err_buf, "--stop-at time is not in the future: %s\n", arg);
1867 arg = poptGetOptArg(pc);
1869 if (len && strncmp("errors", arg, len) == 0)
1871 else if (len && strncmp("all", arg, len) == 0)
1873 else if (len && strncmp("client", arg, len) == 0)
1876 snprintf(err_buf, sizeof err_buf,
1877 "--stderr mode \"%s\" is not one of errors, all, or client\n", arg);
1884 /* A large opt value means that set_refuse_options()
1885 * turned this option off. */
1886 if (opt >= OPT_REFUSED_BASE) {
1887 create_refuse_error(opt);
1890 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
1891 am_server ? "on remote machine: " : "",
1892 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1898 if (version_opt_cnt) {
1899 print_rsync_version(FINFO);
1903 if (!max_alloc_arg) {
1904 max_alloc_arg = getenv("RSYNC_MAX_ALLOC");
1905 if (max_alloc_arg && !*max_alloc_arg)
1906 max_alloc_arg = NULL;
1908 if (max_alloc_arg) {
1909 ssize_t size = parse_size_arg(max_alloc_arg, 'B', "max-alloc", 1024*1024, -1, True);
1915 if (protect_args < 0) {
1918 else if ((arg = getenv("RSYNC_PROTECT_ARGS")) != NULL && *arg)
1919 protect_args = atoi(arg) ? 1 : 0;
1921 #ifdef RSYNC_USE_PROTECTED_ARGS
1929 if (checksum_choice && strcasecmp(checksum_choice, "auto") != 0 && strcasecmp(checksum_choice, "auto,auto") != 0) {
1930 /* Call this early to verify the args and figure out if we need to force
1931 * --whole-file. Note that the parse function will get called again later,
1932 * just in case an "auto" choice needs to know the protocol_version. */
1933 parse_checksum_choice(0);
1935 checksum_choice = NULL;
1937 if (human_readable > 1 && argc == 2 && !am_server) {
1938 /* Allow the old meaning of 'h' (--help) on its own. */
1943 if (!compress_choice && do_compression > 1)
1944 compress_choice = "zlibx";
1945 if (compress_choice && strcasecmp(compress_choice, "auto") != 0)
1946 parse_compress_choice(0); /* Twiddles do_compression and can possibly NULL-out compress_choice. */
1948 compress_choice = NULL;
1950 if (do_compression || do_compression_level != CLVL_NOT_SPECIFIED) {
1951 if (!do_compression)
1952 do_compression = CPRES_AUTO;
1953 if (do_compression && refused_compress) {
1954 create_refuse_error(refused_compress);
1960 if (outbuf_mode && !am_server) {
1961 int mode = *(uchar *)outbuf_mode;
1963 mode = toupper(mode);
1964 fflush(stdout); /* Just in case... */
1966 case 'N': /* None */
1967 case 'U': /* Unbuffered */
1970 case 'L': /* Line */
1973 case 'B': /* Block */
1974 case 'F': /* Full */
1978 snprintf(err_buf, sizeof err_buf,
1979 "Invalid --outbuf setting -- specify N, L, or B.\n");
1982 setvbuf(stdout, (char *)NULL, mode, 0);
1985 if (msgs2stderr == 1) { /* Are all messages going to stderr? */
1986 /* Make stderr line buffered for better sharing of the stream. */
1987 fflush(stderr); /* Just in case... */
1988 setvbuf(stderr, (char *)NULL, _IOLBF, 0);
1992 set_output_verbosity(verbose, DEFAULT_PRIORITY);
1995 parse_output_words(info_words, info_levels,
1996 verbose > 1 ? "stats3" : "stats2", DEFAULT_PRIORITY);
2000 if (iconv_opt && protect_args != 2) {
2001 if (!am_server && strcmp(iconv_opt, "-") == 0)
2004 need_unsorted_flist = 1;
2006 if (refused_no_iconv && !iconv_opt) {
2007 create_refuse_error(refused_no_iconv);
2012 if (fuzzy_basis > 1)
2013 fuzzy_basis = basis_dir_cnt + 1;
2015 /* Don't let the client reset protect_args if it was already processed */
2016 if (orig_protect_args == 2 && am_server)
2017 protect_args = orig_protect_args;
2019 if (protect_args == 1 && am_server)
2022 *argv_p = argv = poptGetArgs(pc);
2023 *argc_p = argc = count_args(argv);
2025 #ifndef SUPPORT_LINKS
2026 if (preserve_links && !am_sender) {
2027 snprintf(err_buf, sizeof err_buf,
2028 "symlinks are not supported on this %s\n",
2029 am_server ? "server" : "client");
2034 #ifndef SUPPORT_HARD_LINKS
2035 if (preserve_hard_links) {
2036 snprintf(err_buf, sizeof err_buf,
2037 "hard links are not supported on this %s\n",
2038 am_server ? "server" : "client");
2043 #ifdef SUPPORT_XATTRS
2044 if (am_root < 0 && preserve_xattrs > 1) {
2045 snprintf(err_buf, sizeof err_buf,
2046 "--fake-super conflicts with -XX\n");
2051 snprintf(err_buf, sizeof err_buf,
2052 "--fake-super requires an rsync with extended attributes enabled\n");
2057 if (write_batch && read_batch) {
2058 snprintf(err_buf, sizeof err_buf,
2059 "--write-batch and --read-batch can not be used together\n");
2062 if (write_batch > 0 || read_batch) {
2065 "ignoring --%s-batch option sent to server\n",
2066 write_batch ? "write" : "read");
2067 /* We don't actually exit_cleanup(), so that we can
2068 * still service older version clients that still send
2069 * batch args to server. */
2070 read_batch = write_batch = 0;
2074 } else if (write_batch < 0 && dry_run)
2076 if (read_batch && files_from) {
2077 snprintf(err_buf, sizeof err_buf,
2078 "--read-batch cannot be used with --files-from\n");
2081 if (read_batch && remove_source_files) {
2082 snprintf(err_buf, sizeof err_buf,
2083 "--read-batch cannot be used with --remove-%s-files\n",
2084 remove_source_files == 1 ? "source" : "sent");
2087 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
2088 snprintf(err_buf, sizeof err_buf,
2089 "the batch-file name must be %d characters or less.\n",
2090 MAX_BATCH_NAME_LEN);
2094 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
2095 snprintf(err_buf, sizeof err_buf,
2096 "the --temp-dir path is WAY too long.\n");
2100 if (max_delete < 0 && max_delete != INT_MIN) {
2101 /* Negative numbers are treated as "no deletions". */
2106 if (recurse == 1) /* preserve recurse == 2 */
2112 if (argc < 2 && !read_batch && !am_server)
2115 if (xfer_dirs >= 4) {
2116 parse_filter_str(&filter_list, "- /*/*", rule_template(0), 0);
2117 recurse = xfer_dirs = 1;
2120 else if (xfer_dirs < 0)
2121 xfer_dirs = list_only ? 1 : 0;
2123 if (relative_paths < 0)
2124 relative_paths = files_from? 1 : 0;
2125 if (!relative_paths)
2128 if (delete_before + !!delete_during + delete_after > 1) {
2129 snprintf(err_buf, sizeof err_buf,
2130 "You may not combine multiple --delete-WHEN options.\n");
2133 if (delete_before || delete_during || delete_after)
2135 else if (delete_mode || delete_excluded) {
2136 /* Only choose now between before & during if one is refused. */
2137 if (refused_delete_before) {
2138 if (!refused_delete_during)
2141 create_refuse_error(refused_delete_before);
2144 } else if (refused_delete_during)
2148 if (!xfer_dirs && delete_mode) {
2149 snprintf(err_buf, sizeof err_buf,
2150 "--delete does not work without --recursive (-r) or --dirs (-d).\n");
2154 if (missing_args == 3) /* simplify if both options were specified */
2156 if (refused_delete && (delete_mode || missing_args == 2)) {
2157 create_refuse_error(refused_delete);
2161 if (remove_source_files) {
2162 /* We only want to infer this refusal of --remove-source-files
2163 * via the refusal of "delete", not any of the "delete-FOO"
2165 if (refused_delete && am_sender) {
2166 create_refuse_error(refused_delete);
2169 need_messages_from_generator = 1;
2172 if (munge_symlinks && !am_daemon) {
2174 char prefix[SYMLINK_PREFIX_LEN]; /* NOT +1 ! */
2175 strlcpy(prefix, SYMLINK_PREFIX, sizeof prefix); /* trim the trailing slash */
2176 if (do_stat(prefix, &st) == 0 && S_ISDIR(st.st_mode)) {
2177 rprintf(FERROR, "Symlink munging is unsafe when a %s directory exists.\n",
2179 exit_cleanup(RERR_UNSUPPORTED);
2183 if (sanitize_paths) {
2185 for (i = argc; i-- > 0; )
2186 argv[i] = sanitize_path(NULL, argv[i], "", 0, SP_KEEP_DOT_DIRS);
2188 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0, SP_DEFAULT);
2190 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0, SP_DEFAULT);
2192 if (daemon_filter_list.head && !am_sender) {
2193 filter_rule_list *elp = &daemon_filter_list;
2197 goto options_rejected;
2198 dir = tmpdir + (*tmpdir == '/' ? module_dirlen : 0);
2199 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2200 if (check_filter(elp, FLOG, dir, 1) < 0)
2201 goto options_rejected;
2206 goto options_rejected;
2207 dir = backup_dir + (*backup_dir == '/' ? module_dirlen : 0);
2208 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2209 if (check_filter(elp, FLOG, dir, 1) < 0)
2210 goto options_rejected;
2215 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
2216 backup_suffix_len = strlen(backup_suffix);
2217 if (strchr(backup_suffix, '/') != NULL) {
2218 snprintf(err_buf, sizeof err_buf,
2219 "--suffix cannot contain slashes: %s\n",
2225 make_backups = 1; /* --backup-dir implies --backup */
2226 while (*backup_dir == '.' && backup_dir[1] == '/')
2228 if (*backup_dir == '.' && backup_dir[1] == '\0')
2230 len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
2231 if (len > sizeof backup_dir_buf - 128) {
2232 snprintf(err_buf, sizeof err_buf,
2233 "the --backup-dir path is WAY too long.\n");
2236 backup_dir_len = (int)len;
2237 if (!backup_dir_len) {
2238 backup_dir_len = -1;
2240 } else if (backup_dir_buf[backup_dir_len - 1] != '/') {
2241 backup_dir_buf[backup_dir_len++] = '/';
2242 backup_dir_buf[backup_dir_len] = '\0';
2244 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
2247 /* No need for a suffix or a protect rule. */
2248 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
2249 snprintf(err_buf, sizeof err_buf,
2250 "--suffix cannot be empty %s\n", backup_dir_len < 0
2251 ? "when --backup-dir is the same as the dest dir"
2252 : "without a --backup-dir");
2254 } else if (make_backups && delete_mode && !delete_excluded && !am_server) {
2255 snprintf(backup_dir_buf, sizeof backup_dir_buf,
2256 "P *%s", backup_suffix);
2257 parse_filter_str(&filter_list, backup_dir_buf, rule_template(0), 0);
2260 if (preserve_times) {
2261 preserve_times = PRESERVE_FILE_TIMES;
2262 if (!omit_dir_times)
2263 preserve_times |= PRESERVE_DIR_TIMES;
2264 #ifdef CAN_SET_SYMLINK_TIMES
2265 if (!omit_link_times)
2266 preserve_times |= PRESERVE_LINK_TIMES;
2270 if (make_backups && !backup_dir) {
2271 omit_dir_times = 0; /* Implied, so avoid -O to sender. */
2272 preserve_times &= ~PRESERVE_DIR_TIMES;
2275 if (stdout_format) {
2276 if (am_server && log_format_has(stdout_format, 'I'))
2277 stdout_format_has_i = 2;
2278 else if (log_format_has(stdout_format, 'i'))
2279 stdout_format_has_i = itemize_changes | 1;
2280 if (!log_format_has(stdout_format, 'b')
2281 && !log_format_has(stdout_format, 'c')
2282 && !log_format_has(stdout_format, 'C'))
2283 log_before_transfer = !am_server;
2284 } else if (itemize_changes) {
2285 stdout_format = "%i %n%L";
2286 stdout_format_has_i = itemize_changes;
2287 log_before_transfer = !am_server;
2290 if (do_progress && !am_server) {
2291 if (!log_before_transfer && INFO_EQ(NAME, 0))
2292 parse_output_words(info_words, info_levels, "name", DEFAULT_PRIORITY);
2293 parse_output_words(info_words, info_levels, "flist2,progress", DEFAULT_PRIORITY);
2299 set_io_timeout(io_timeout);
2301 if (INFO_GTE(NAME, 1) && !stdout_format) {
2302 stdout_format = "%n%L";
2303 log_before_transfer = !am_server;
2305 if (stdout_format_has_i || log_format_has(stdout_format, 'o'))
2306 stdout_format_has_o_or_i = 1;
2308 if (logfile_name && !am_daemon) {
2309 if (!logfile_format) {
2310 logfile_format = "%i %n%L";
2311 logfile_format_has_i = logfile_format_has_o_or_i = 1;
2313 if (log_format_has(logfile_format, 'i'))
2314 logfile_format_has_i = 1;
2315 if (logfile_format_has_i || log_format_has(logfile_format, 'o'))
2316 logfile_format_has_o_or_i = 1;
2319 } else if (!am_daemon)
2320 logfile_format = NULL;
2322 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
2323 bwlimit = daemon_bwlimit;
2325 bwlimit_writemax = (size_t)bwlimit * 128;
2326 if (bwlimit_writemax < 512)
2327 bwlimit_writemax = 512;
2331 if (whole_file > 0) {
2332 snprintf(err_buf, sizeof err_buf,
2333 "--append cannot be used with --whole-file\n");
2336 if (refused_inplace) {
2337 create_refuse_error(refused_inplace);
2343 if (write_devices) {
2344 if (refused_inplace) {
2345 create_refuse_error(refused_inplace);
2351 if (delay_updates && !partial_dir)
2352 partial_dir = tmp_partialdir;
2355 #ifdef HAVE_FTRUNCATE
2357 snprintf(err_buf, sizeof err_buf,
2358 "--%s cannot be used with --%s\n",
2359 append_mode ? "append" : "inplace",
2360 delay_updates ? "delay-updates" : "partial-dir");
2363 /* --inplace implies --partial for refusal purposes, but we
2364 * clear the keep_partial flag for internal logic purposes. */
2365 if (refused_partial) {
2366 create_refuse_error(refused_partial);
2371 snprintf(err_buf, sizeof err_buf,
2372 "--%s is not supported on this %s\n",
2373 append_mode ? "append" : "inplace",
2374 am_server ? "server" : "client");
2378 if (keep_partial && !partial_dir && !am_server) {
2379 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
2380 partial_dir = strdup(arg);
2384 clean_fname(partial_dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2385 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
2387 if (!partial_dir && refused_partial) {
2388 create_refuse_error(refused_partial);
2398 if (argc > 2 || (!am_daemon && !am_server && argc == 1)) {
2400 exit_cleanup(RERR_SYNTAX);
2402 if (strcmp(files_from, "-") == 0) {
2405 filesfrom_host = ""; /* reading from socket */
2406 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
2408 snprintf(err_buf, sizeof err_buf,
2409 "The --files-from sent to the server cannot specify a host.\n");
2414 if (strcmp(files_from, "-") == 0) {
2415 snprintf(err_buf, sizeof err_buf,
2416 "Invalid --files-from remote filename\n");
2421 files_from = sanitize_path(NULL, files_from, NULL, 0, SP_DEFAULT);
2422 if (daemon_filter_list.head) {
2425 goto options_rejected;
2426 dir = files_from + (*files_from == '/' ? module_dirlen : 0);
2427 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2428 if (check_filter(&daemon_filter_list, FLOG, dir, 0) < 0)
2429 goto options_rejected;
2431 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
2432 if (filesfrom_fd < 0) {
2433 snprintf(err_buf, sizeof err_buf,
2434 "failed to open files-from file %s: %s\n",
2435 files_from, strerror(errno));
2446 snprintf(err_buf, sizeof err_buf,
2447 "Your options have been rejected by the server.\n");
2453 * Construct a filtered list of options to pass through from the
2454 * client to the server.
2456 * This involves setting options that will tell the server how to
2457 * behave, and also filtering out options that are processed only
2460 void server_options(char **args, int *argc_p)
2462 static char argstr[64];
2468 /* This should always remain first on the server's command-line. */
2469 args[ac++] = "--server";
2472 args[ac++] = "--sender";
2480 for (i = 0; i < verbose; i++)
2483 if (quiet && msgs2stderr)
2489 if (!do_xfers) /* Note: NOT "dry_run"! */
2493 if ((xfer_dirs >= 2 && xfer_dirs < 4)
2494 || (xfer_dirs && !recurse && (list_only || (delete_mode && am_sender))))
2499 if (prune_empty_dirs)
2503 if (omit_link_times)
2507 if (fuzzy_basis > 1)
2519 /* We don't need to send --no-whole-file, because it's the
2520 * default for remote transfers, and in any case old versions
2521 * of rsync will not understand it. */
2523 if (preserve_hard_links) {
2525 if (preserve_hard_links > 1)
2532 if (preserve_devices) /* ignore preserve_specials here */
2536 if (preserve_atimes) {
2538 if (preserve_atimes > 1)
2541 #ifdef SUPPORT_CRTIMES
2542 if (preserve_crtimes)
2547 else if (preserve_executability && am_sender)
2553 #ifdef SUPPORT_XATTRS
2554 if (preserve_xattrs) {
2556 if (preserve_xattrs > 1)
2562 if (always_checksum)
2570 if (one_file_system) {
2572 if (one_file_system > 1)
2577 if (do_compression == CPRES_ZLIB)
2580 set_allow_inc_recurse();
2582 /* This '\0'-terminates argstr and makes sure it didn't overflow. */
2583 x += maybe_add_e_option(argstr + x, (int)sizeof argstr - x);
2586 args[ac++] = argstr;
2590 char *set = strchr(iconv_opt, ',');
2595 if (asprintf(&arg, "--iconv=%s", set) < 0)
2601 if (protect_args && !local_server) /* unprotected args stop here */
2605 args[ac++] = "--list-only";
2607 /* This makes sure that the remote rsync can handle deleting with -d
2608 * sans -r because the --no-r option was added at the same time. */
2609 if (xfer_dirs && !recurse && delete_mode && am_sender)
2610 args[ac++] = "--no-r";
2612 if (do_compression && do_compression_level != CLVL_NOT_SPECIFIED) {
2613 if (asprintf(&arg, "--compress-level=%d", do_compression_level) < 0)
2618 if (preserve_devices) {
2619 /* Note: sending "--devices" would not be backward-compatible. */
2620 if (!preserve_specials)
2621 args[ac++] = "--no-specials"; /* -D is already set. */
2622 } else if (preserve_specials)
2623 args[ac++] = "--specials";
2625 /* The server side doesn't use our log-format, but in certain
2626 * circumstances they need to know a little about the option. */
2627 if (stdout_format && am_sender) {
2628 /* Use --log-format, not --out-format, for compatibility. */
2629 if (stdout_format_has_i > 1)
2630 args[ac++] = "--log-format=%i%I";
2631 else if (stdout_format_has_i)
2632 args[ac++] = "--log-format=%i";
2633 else if (stdout_format_has_o_or_i)
2634 args[ac++] = "--log-format=%o";
2636 args[ac++] = "--log-format=X";
2639 if (msgs2stderr == 1)
2640 args[ac++] = "--msgs2stderr";
2641 else if (msgs2stderr == 0)
2642 args[ac++] = "--no-msgs2stderr";
2645 if (asprintf(&arg, "-B%u", (int)block_size) < 0)
2651 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
2657 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
2663 args[ac++] = "--backup-dir";
2664 args[ac++] = backup_dir;
2667 /* Only send --suffix if it specifies a non-default value. */
2668 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
2669 /* We use the following syntax to avoid weirdness with '~'. */
2670 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
2675 if (checksum_choice) {
2676 if (asprintf(&arg, "--checksum-choice=%s", checksum_choice) < 0)
2681 if (do_compression == CPRES_ZLIBX)
2682 args[ac++] = "--new-compress";
2683 else if (compress_choice && do_compression == CPRES_ZLIB)
2684 args[ac++] = "--old-compress";
2685 else if (compress_choice) {
2686 if (asprintf(&arg, "--compress-choice=%s", compress_choice) < 0)
2692 if (max_delete > 0) {
2693 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
2696 } else if (max_delete == 0)
2697 args[ac++] = "--max-delete=-1";
2698 if (min_size >= 0) {
2699 args[ac++] = "--min-size";
2700 args[ac++] = min_size_arg;
2702 if (max_size >= 0) {
2703 args[ac++] = "--max-size";
2704 args[ac++] = max_size_arg;
2707 args[ac++] = "--delete-before";
2708 else if (delete_during == 2)
2709 args[ac++] = "--delete-delay";
2710 else if (delete_during)
2711 args[ac++] = "--delete-during";
2712 else if (delete_after)
2713 args[ac++] = "--delete-after";
2714 else if (delete_mode && !delete_excluded)
2715 args[ac++] = "--delete";
2716 if (delete_excluded)
2717 args[ac++] = "--delete-excluded";
2719 args[ac++] = "--force";
2720 if (write_batch < 0)
2721 args[ac++] = "--only-write-batch=X";
2723 args[ac++] = "--super";
2725 args[ac++] = "--size-only";
2727 args[ac++] = "--stats";
2729 if (skip_compress) {
2730 if (asprintf(&arg, "--skip-compress=%s", skip_compress) < 0)
2736 if (max_alloc_arg && max_alloc != DEFAULT_MAX_ALLOC) {
2737 args[ac++] = "--max-alloc";
2738 args[ac++] = max_alloc_arg;
2741 /* --delete-missing-args needs the cooperation of both sides, but
2742 * the sender can handle --ignore-missing-args by itself. */
2743 if (missing_args == 2)
2744 args[ac++] = "--delete-missing-args";
2745 else if (missing_args == 1 && !am_sender)
2746 args[ac++] = "--ignore-missing-args";
2748 if (modify_window_set && am_sender) {
2749 char *fmt = modify_window < 0 ? "-@%d" : "--modify-window=%d";
2750 if (asprintf(&arg, fmt, modify_window) < 0)
2755 if (checksum_seed) {
2756 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
2761 if (partial_dir && am_sender) {
2762 if (partial_dir != tmp_partialdir) {
2763 args[ac++] = "--partial-dir";
2764 args[ac++] = partial_dir;
2767 args[ac++] = "--delay-updates";
2768 } else if (keep_partial && am_sender)
2769 args[ac++] = "--partial";
2772 args[ac++] = "--ignore-errors";
2774 if (copy_unsafe_links)
2775 args[ac++] = "--copy-unsafe-links";
2778 args[ac++] = "--safe-links";
2781 args[ac++] = "--numeric-ids";
2784 args[ac++] = "--use-qsort";
2788 if (asprintf(&arg, "--usermap=%s", usermap) < 0)
2794 if (asprintf(&arg, "--groupmap=%s", groupmap) < 0)
2799 if (ignore_existing)
2800 args[ac++] = "--ignore-existing";
2802 /* Backward compatibility: send --existing, not --ignore-non-existing. */
2803 if (ignore_non_existing)
2804 args[ac++] = "--existing";
2807 args[ac++] = "--temp-dir";
2808 args[ac++] = tmpdir;
2812 args[ac++] = "--fsync";
2815 /* the server only needs this option if it is not the sender,
2816 * and it may be an older version that doesn't know this
2817 * option, so don't send it if client is the sender.
2819 for (i = 0; i < basis_dir_cnt; i++) {
2820 args[ac++] = alt_dest_opt(0);
2821 args[ac++] = basis_dir[i];
2826 /* What flags do we need to send to the other side? */
2827 where = (am_server ? W_CLI : W_SRV) | (am_sender ? W_REC : W_SND);
2828 arg = make_output_option(info_words, info_levels, where);
2833 if (append_mode > 1)
2834 args[ac++] = "--append";
2835 args[ac++] = "--append";
2836 } else if (inplace) {
2837 args[ac++] = "--inplace";
2838 /* Work around a bug in older rsync versions (on the remote side) for --inplace --sparse */
2839 if (sparse_files && !whole_file)
2840 args[ac++] = "--no-W";
2843 if (files_from && (!am_sender || filesfrom_host)) {
2844 if (filesfrom_host) {
2845 args[ac++] = "--files-from";
2846 args[ac++] = files_from;
2848 args[ac++] = "--from0";
2850 args[ac++] = "--files-from=-";
2851 args[ac++] = "--from0";
2853 if (!relative_paths)
2854 args[ac++] = "--no-relative";
2856 /* It's OK that this checks the upper-bound of the protocol_version. */
2857 if (relative_paths && !implied_dirs && (!am_sender || protocol_version >= 30))
2858 args[ac++] = "--no-implied-dirs";
2860 if (write_devices && am_sender)
2861 args[ac++] = "--write-devices";
2863 if (remove_source_files == 1)
2864 args[ac++] = "--remove-source-files";
2865 else if (remove_source_files)
2866 args[ac++] = "--remove-sent-files";
2868 if (preallocate_files && am_sender)
2869 args[ac++] = "--preallocate";
2871 if (open_noatime && preserve_atimes <= 1)
2872 args[ac++] = "--open-noatime";
2874 if (mkpath_dest_arg && am_sender)
2875 args[ac++] = "--mkpath";
2877 if (ac > MAX_SERVER_ARGS) { /* Not possible... */
2878 rprintf(FERROR, "argc overflow in server_options().\n");
2879 exit_cleanup(RERR_MALLOC);
2882 if (remote_option_cnt) {
2884 if (ac + remote_option_cnt > MAX_SERVER_ARGS) {
2885 rprintf(FERROR, "too many remote options specified.\n");
2886 exit_cleanup(RERR_SYNTAX);
2888 for (j = 1; j <= remote_option_cnt; j++)
2889 args[ac++] = (char*)remote_options[j];
2896 out_of_memory("server_options");
2899 int maybe_add_e_option(char *buf, int buf_len)
2903 /* We don't really know the actual protocol_version at this point,
2904 * but checking the pre-negotiated value allows the user to use a
2905 * --protocol=29 override to avoid the use of this -eFLAGS opt. */
2906 if (protocol_version >= 30 && buf_len > 0) {
2907 /* We make use of the -e option to let the server know about
2908 * any pre-release protocol version && some behavior flags. */
2911 #if SUBPROTOCOL_VERSION != 0
2912 if (protocol_version == PROTOCOL_VERSION)
2913 x += snprintf(buf + x, buf_len - x, "%d.%d", PROTOCOL_VERSION, SUBPROTOCOL_VERSION);
2917 if (allow_inc_recurse)
2919 #ifdef CAN_SET_SYMLINK_TIMES
2920 buf[x++] = 'L'; /* symlink time-setting support */
2923 buf[x++] = 's'; /* symlink iconv translation support */
2925 buf[x++] = 'f'; /* flist I/O-error safety support */
2926 buf[x++] = 'x'; /* xattr hardlink optimization not desired */
2927 buf[x++] = 'C'; /* support checksum seed order fix */
2928 buf[x++] = 'I'; /* support inplace_partial behavior */
2929 buf[x++] = 'v'; /* use varint for flist & compat flags; negotiate checksum */
2930 buf[x++] = 'u'; /* include name of uid 0 & gid 0 in the id map */
2932 /* NOTE: Avoid using 'V' -- it was represented with the high bit of a write_byte() that became a write_varint(). */
2935 if (x >= buf_len) { /* Not possible... */
2936 rprintf(FERROR, "overflow in add_e_flags().\n");
2937 exit_cleanup(RERR_MALLOC);
2945 /* If str points to a valid hostspec, return allocated memory containing the
2946 * [USER@]HOST part of the string, and set the path_start_ptr to the part of
2947 * the string after the host part. Otherwise, return NULL. If port_ptr is
2948 * non-NULL, we must be parsing an rsync:// URL hostname, and we will set
2949 * *port_ptr if a port number is found. Note that IPv6 IPs will have their
2950 * (required for parsing) [ and ] chars elided from the returned string. */
2951 static char *parse_hostspec(char *str, char **path_start_ptr, int *port_ptr)
2953 char *s, *host_start = str;
2954 int hostlen = 0, userlen = 0;
2957 for (s = str; ; s++) {
2959 /* It is only OK if we run out of string with rsync:// */
2963 hostlen = s - host_start;
2966 if (*s == ':' || *s == '/') {
2968 hostlen = s - host_start;
2972 } else if (port_ptr) {
2973 *port_ptr = atoi(s);
2974 while (isDigit(s)) s++;
2975 if (*s && *s++ != '/')
2981 userlen = s - str + 1;
2983 } else if (*s == '[') {
2984 if (s != host_start++)
2986 while (*s && *s != ']' && *s != '/') s++; /*SHARED ITERATOR*/
2987 hostlen = s - host_start;
2988 if (*s != ']' || (s[1] && s[1] != '/' && s[1] != ':') || !hostlen)
2993 *path_start_ptr = s;
2994 ret = new_array(char, userlen + hostlen + 1);
2996 strlcpy(ret, str, userlen + 1);
2997 strlcpy(ret + userlen, host_start, hostlen + 1);
3001 /* Look for a HOST specification of the form "HOST:PATH", "HOST::PATH", or
3002 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
3003 * memory with the HOST. If a daemon-accessing spec was specified, the value
3004 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
3005 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
3006 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
3007 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
3008 char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
3012 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
3013 *host_ptr = parse_hostspec(s + strlen(URL_PREFIX), &path, port_ptr);
3016 *port_ptr = -1; /* -1 indicates they want the default */
3021 *host_ptr = parse_hostspec(s, &path, NULL);
3026 if (port_ptr && !*port_ptr)