2 * Command-line (and received via daemon-socket) option parsing.
4 * Copyright (C) 1998-2001 Andrew Tridgell <tridge@samba.org>
5 * Copyright (C) 2000, 2001, 2002 Martin Pool <mbp@samba.org>
6 * Copyright (C) 2002-2020 Wayne Davison
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, visit the http://fsf.org website.
25 #include "latest-year.h"
29 extern int local_server;
30 extern int sanitize_paths;
31 extern int daemon_over_rsh;
32 extern unsigned int module_dirlen;
33 extern struct name_num_obj valid_checksums;
34 extern struct name_num_obj valid_compressions;
35 extern filter_rule_list filter_list;
36 extern filter_rule_list daemon_filter_list;
41 * If 1, send the whole file as literal data rather than trying to
42 * create an incremental diff.
44 * If -1, then look at whether we're local or remote and go by that.
46 * @sa disable_deltas_p()
51 int keep_dirlinks = 0;
52 int copy_dirlinks = 0;
54 int write_devices = 0;
55 int preserve_links = 0;
56 int preserve_hard_links = 0;
57 int preserve_acls = 0;
58 int preserve_xattrs = 0;
59 int preserve_perms = 0;
60 int preserve_executability = 0;
61 int preserve_devices = 0;
62 int preserve_specials = 0;
65 int preserve_times = 0;
66 int preserve_atimes = 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 */
94 int allow_8bit_chars = 0;
97 int prune_empty_dirs = 0;
99 char *files_from = NULL;
100 int filesfrom_fd = -1;
101 char *filesfrom_host = NULL;
103 int protect_args = -1;
104 int human_readable = 1;
106 int allow_inc_recurse = 1;
109 int connect_timeout = 0;
110 int keep_partial = 0;
111 int safe_symlinks = 0;
112 int copy_unsafe_links = 0;
113 int munge_symlinks = 0;
115 int daemon_bwlimit = 0;
118 size_t bwlimit_writemax = 0;
119 int ignore_existing = 0;
120 int ignore_non_existing = 0;
121 int need_messages_from_generator = 0;
122 int max_delete = INT_MIN;
125 int ignore_errors = 0;
126 int modify_window = 0;
127 int blocking_io = -1;
128 int checksum_seed = 0;
130 int delay_updates = 0;
131 long block_size = 0; /* "long" because popt can't set an int32. */
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;
196 #ifndef __APPLE__ /* Do we need a configure check for this? */
197 #define SUPPORT_ATIMES 1
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(PROGRESS, W_CLI, "Mention 1) per-file progress or 2) total transfer progress"),
274 INFO_WORD(REMOVE, W_SND, "Mention files removed on the sending side"),
275 INFO_WORD(SKIP, W_REC, "Mention files that are skipped due to options used"),
276 INFO_WORD(STATS, W_CLI|W_SRV, "Mention statistics at end of run (levels 1-3)"),
277 INFO_WORD(SYMSAFE, W_SND|W_REC, "Mention symlinks that are unsafe"),
278 { NULL, "--info", 0, 0, 0, 0 }
281 #define DEBUG_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, DEBUG_##flag, where, 0 }
283 static struct output_struct debug_words[COUNT_DEBUG+1] = {
284 DEBUG_WORD(ACL, W_SND|W_REC, "Debug extra ACL info"),
285 DEBUG_WORD(BACKUP, W_REC, "Debug backup actions (levels 1-2)"),
286 DEBUG_WORD(BIND, W_CLI, "Debug socket bind actions"),
287 DEBUG_WORD(CHDIR, W_CLI|W_SRV, "Debug when the current directory changes"),
288 DEBUG_WORD(CONNECT, W_CLI, "Debug connection events (levels 1-2)"),
289 DEBUG_WORD(CMD, W_CLI, "Debug commands+options that are issued (levels 1-2)"),
290 DEBUG_WORD(DEL, W_REC, "Debug delete actions (levels 1-3)"),
291 DEBUG_WORD(DELTASUM, W_SND|W_REC, "Debug delta-transfer checksumming (levels 1-4)"),
292 DEBUG_WORD(DUP, W_REC, "Debug weeding of duplicate names"),
293 DEBUG_WORD(EXIT, W_CLI|W_SRV, "Debug exit events (levels 1-3)"),
294 DEBUG_WORD(FILTER, W_SND|W_REC, "Debug filter actions (levels 1-2)"),
295 DEBUG_WORD(FLIST, W_SND|W_REC, "Debug file-list operations (levels 1-4)"),
296 DEBUG_WORD(FUZZY, W_REC, "Debug fuzzy scoring (levels 1-2)"),
297 DEBUG_WORD(GENR, W_REC, "Debug generator functions"),
298 DEBUG_WORD(HASH, W_SND|W_REC, "Debug hashtable code"),
299 DEBUG_WORD(HLINK, W_SND|W_REC, "Debug hard-link actions (levels 1-3)"),
300 DEBUG_WORD(ICONV, W_CLI|W_SRV, "Debug iconv character conversions (levels 1-2)"),
301 DEBUG_WORD(IO, W_CLI|W_SRV, "Debug I/O routines (levels 1-4)"),
302 DEBUG_WORD(NSTR, W_CLI|W_SRV, "Debug negotiation strings"),
303 DEBUG_WORD(OWN, W_REC, "Debug ownership changes in users & groups (levels 1-2)"),
304 DEBUG_WORD(PROTO, W_CLI|W_SRV, "Debug protocol information"),
305 DEBUG_WORD(RECV, W_REC, "Debug receiver functions"),
306 DEBUG_WORD(SEND, W_SND, "Debug sender functions"),
307 DEBUG_WORD(TIME, W_REC, "Debug setting of modified times (levels 1-2)"),
308 { NULL, "--debug", 0, 0, 0, 0 }
311 static int verbose = 0;
312 static int do_stats = 0;
313 static int do_progress = 0;
314 static int daemon_opt; /* sets am_daemon after option error-reporting */
315 static int omit_dir_times = 0;
316 static int omit_link_times = 0;
317 static int F_option_cnt = 0;
318 static int modify_window_set;
319 static int itemize_changes = 0;
320 static int refused_delete, refused_archive_part, refused_compress;
321 static int refused_partial, refused_progress, refused_delete_before;
322 static int refused_delete_during;
323 static int refused_inplace, refused_no_iconv;
324 static BOOL usermap_via_chown, groupmap_via_chown;
325 static char *outbuf_mode;
326 static char *bwlimit_arg, *max_size_arg, *min_size_arg;
327 static char tmp_partialdir[] = ".~tmp~";
329 /** Local address to bind. As a character string because it's
330 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
331 * address, or a hostname. **/
334 static void output_item_help(struct output_struct *words);
336 /* This constructs a string that represents all the options set for either
337 * the --info or --debug setting, skipping any implied options (by -v, etc.).
338 * This is used both when conveying the user's options to the server, and
339 * when the help output wants to tell the user what options are implied. */
340 static char *make_output_option(struct output_struct *words, short *levels, uchar where)
342 char *str = words == info_words ? "--info=" : "--debug=";
343 int j, counts[MAX_OUT_LEVEL+1], pos, skipped = 0, len = 0, max = 0, lev = 0;
344 int word_count = words == info_words ? COUNT_INFO : COUNT_DEBUG;
347 memset(counts, 0, sizeof counts);
349 for (j = 0; words[j].name; j++) {
350 if (words[j].flag != j) {
351 rprintf(FERROR, "rsync: internal error on %s%s: %d != %d\n",
352 words == info_words ? "INFO_" : "DEBUG_",
353 words[j].name, words[j].flag, j);
354 exit_cleanup(RERR_UNSUPPORTED);
356 if (!(words[j].where & where))
358 if (words[j].priority == DEFAULT_PRIORITY) {
359 /* Implied items don't need to be mentioned. */
363 len += len ? 1 : strlen(str);
364 len += strlen(words[j].name);
365 len += levels[j] == 1 ? 0 : 1;
367 if (words[j].priority == HELP_PRIORITY)
368 continue; /* no abbreviating for help */
370 assert(levels[j] <= MAX_OUT_LEVEL);
371 if (++counts[levels[j]] > max) {
372 /* Determine which level has the most items. */
378 /* Sanity check the COUNT_* define against the length of the table. */
379 if (j != word_count) {
380 rprintf(FERROR, "rsync: internal error: %s is wrong! (%d != %d)\n",
381 words == info_words ? "COUNT_INFO" : "COUNT_DEBUG",
383 exit_cleanup(RERR_UNSUPPORTED);
390 buf = new_array(char, len);
393 if (skipped || max < 5)
397 pos += snprintf(buf, len, "%sNONE", str);
399 pos += snprintf(buf, len, "%sALL", str);
401 pos += snprintf(buf, len, "%sALL%d", str, lev);
404 for (j = 0; words[j].name && pos < len; j++) {
405 if (words[j].priority == DEFAULT_PRIORITY || levels[j] == lev || !(words[j].where & where))
410 pos += strlcpy(buf+pos, str, len-pos);
412 pos += strlcpy(buf+pos, words[j].name, len-pos);
413 /* Level 1 is implied by the name alone. */
414 if (levels[j] != 1 && pos < len)
415 buf[pos++] = '0' + levels[j];
423 static void parse_output_words(struct output_struct *words, short *levels, const char *str, uchar priority)
428 for ( ; str; str = s) {
429 if ((s = strchr(str, ',')) != NULL)
436 while (len && isDigit(str+len-1))
439 lev = isDigit(str+len) ? atoi(str+len) : 1;
440 if (lev > MAX_OUT_LEVEL)
442 if (len == 4 && strncasecmp(str, "help", 4) == 0) {
443 output_item_help(words);
446 if (len == 4 && strncasecmp(str, "none", 4) == 0)
448 else if (len == 3 && strncasecmp(str, "all", 3) == 0)
450 for (j = 0; words[j].name; j++) {
452 || (len == words[j].namelen && strncasecmp(str, words[j].name, len) == 0)) {
453 if (priority >= words[j].priority) {
454 words[j].priority = priority;
461 if (len && !words[j].name && !am_server) {
462 rprintf(FERROR, "Unknown %s item: \"%.*s\"\n",
463 words[j].help, len, str);
464 exit_cleanup(RERR_SYNTAX);
469 /* Tell the user what all the info or debug flags mean. */
470 static void output_item_help(struct output_struct *words)
472 short *levels = words == info_words ? info_levels : debug_levels;
473 const char **verbosity = words == info_words ? info_verbosity : debug_verbosity;
474 char buf[128], *opt, *fmt = "%-10s %s\n";
477 reset_output_levels();
479 rprintf(FINFO, "Use OPT or OPT1 for level 1 output, OPT2 for level 2, etc.; OPT0 silences.\n");
480 rprintf(FINFO, "\n");
481 for (j = 0; words[j].name; j++)
482 rprintf(FINFO, fmt, words[j].name, words[j].help);
483 rprintf(FINFO, "\n");
485 snprintf(buf, sizeof buf, "Set all %s options (e.g. all%d)",
486 words[j].help, MAX_OUT_LEVEL);
487 rprintf(FINFO, fmt, "ALL", buf);
489 snprintf(buf, sizeof buf, "Silence all %s options (same as all0)",
491 rprintf(FINFO, fmt, "NONE", buf);
493 rprintf(FINFO, fmt, "HELP", "Output this help message");
494 rprintf(FINFO, "\n");
495 rprintf(FINFO, "Options added for each increase in verbose level:\n");
497 for (j = 1; j <= MAX_VERBOSITY; j++) {
498 parse_output_words(words, levels, verbosity[j], HELP_PRIORITY);
499 opt = make_output_option(words, levels, W_CLI|W_SRV|W_SND|W_REC);
501 rprintf(FINFO, "%d) %s\n", j, strchr(opt, '=')+1);
504 reset_output_levels();
508 /* The --verbose option now sets info+debug flags. */
509 static void set_output_verbosity(int level, uchar priority)
513 if (level > MAX_VERBOSITY)
514 level = MAX_VERBOSITY;
516 for (j = 1; j <= level; j++) {
517 parse_output_words(info_words, info_levels, info_verbosity[j], priority);
518 parse_output_words(debug_words, debug_levels, debug_verbosity[j], priority);
522 /* Limit the info+debug flag levels given a verbose-option level limit. */
523 void limit_output_verbosity(int level)
525 short info_limits[COUNT_INFO], debug_limits[COUNT_DEBUG];
528 if (level > MAX_VERBOSITY)
531 memset(info_limits, 0, sizeof info_limits);
532 memset(debug_limits, 0, sizeof debug_limits);
534 /* Compute the level limits in the above arrays. */
535 for (j = 1; j <= level; j++) {
536 parse_output_words(info_words, info_limits, info_verbosity[j], LIMIT_PRIORITY);
537 parse_output_words(debug_words, debug_limits, debug_verbosity[j], LIMIT_PRIORITY);
540 for (j = 0; j < COUNT_INFO; j++) {
541 if (info_levels[j] > info_limits[j])
542 info_levels[j] = info_limits[j];
545 for (j = 0; j < COUNT_DEBUG; j++) {
546 if (debug_levels[j] > debug_limits[j])
547 debug_levels[j] = debug_limits[j];
551 void reset_output_levels(void)
555 memset(info_levels, 0, sizeof info_levels);
556 memset(debug_levels, 0, sizeof debug_levels);
558 for (j = 0; j < COUNT_INFO; j++)
559 info_words[j].priority = DEFAULT_PRIORITY;
561 for (j = 0; j < COUNT_DEBUG; j++)
562 debug_words[j].priority = DEFAULT_PRIORITY;
565 void negate_output_levels(void)
569 for (j = 0; j < COUNT_INFO; j++)
570 info_levels[j] *= -1;
572 for (j = 0; j < COUNT_DEBUG; j++)
573 debug_levels[j] *= -1;
576 static char *istring(const char *fmt, int val)
579 if (asprintf(&str, fmt, val) < 0)
580 out_of_memory("istring");
584 static void print_info_flags(enum logcode f)
586 STRUCT_STAT *dumstat;
589 char *info_flags[] = {
593 istring("%d-bit files", (int)(sizeof (OFF_T) * 8)),
594 istring("%d-bit inums", (int)(sizeof dumstat->st_ino * 8)), /* Don't check ino_t! */
595 istring("%d-bit timestamps", (int)(sizeof (time_t) * 8)),
596 istring("%d-bit long ints", (int)(sizeof (int64) * 8)),
598 #ifndef HAVE_SOCKETPAIR
603 #ifndef SUPPORT_HARD_LINKS
608 #ifndef SUPPORT_LINKS
618 #ifndef SUPPORT_ATIMES
625 #ifndef HAVE_FTRUNCATE
630 #ifndef HAVE_FTRUNCATE
640 #ifndef SUPPORT_XATTRS
645 #ifdef RSYNC_USE_PROTECTED_ARGS
657 #ifndef CAN_SET_SYMLINK_TIMES
662 #ifndef SUPPORT_PREALLOCATION
687 for (line_len = 0, j = 0; ; j++) {
688 char *str = info_flags[j], *next_nfo = str ? info_flags[j+1] : NULL;
689 int str_len = str && *str != '*' ? strlen(str) : 1000;
690 int need_comma = next_nfo && *next_nfo != '*' ? 1 : 0;
691 if (line_len && line_len + 1 + str_len + need_comma >= (int)sizeof line_buf) {
692 rprintf(f, " %s\n", line_buf);
698 rprintf(f, "%s:\n", str+1);
701 line_len += snprintf(line_buf+line_len, sizeof line_buf - line_len, " %s%s", str, need_comma ? "," : "");
705 static void print_rsync_version(enum logcode f)
707 char tmpbuf[256], *subprotocol = "";
709 #if SUBPROTOCOL_VERSION != 0
710 subprotocol = istring(".PR%d", SUBPROTOCOL_VERSION);
712 rprintf(f, "%s version %s protocol version %d%s\n",
713 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION, subprotocol);
715 rprintf(f, "Copyright (C) 1996-" LATEST_YEAR " by Andrew Tridgell, Wayne Davison, and others.\n");
716 rprintf(f, "Web site: https://rsync.samba.org/\n");
720 rprintf(f, "Checksum list:\n");
721 get_default_nno_list(&valid_checksums, tmpbuf, sizeof tmpbuf, '(');
722 rprintf(f, " %s\n", tmpbuf);
724 rprintf(f, "Compress list:\n");
725 get_default_nno_list(&valid_compressions, tmpbuf, sizeof tmpbuf, '(');
726 rprintf(f, " %s\n", tmpbuf);
728 #ifdef MAINTAINER_MODE
729 rprintf(f, "Panic Action: \"%s\"\n", get_panic_action());
733 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
735 if (sizeof (int64) != SIZEOF_INT64) {
737 "WARNING: size mismatch in SIZEOF_INT64 define (%d != %d)\n",
738 (int) SIZEOF_INT64, (int) sizeof (int64));
742 rprintf(f,"rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n");
743 rprintf(f,"are welcome to redistribute it under certain conditions. See the GNU\n");
744 rprintf(f,"General Public Licence for details.\n");
748 void usage(enum logcode F)
750 print_rsync_version(F);
753 rprintf(F,"rsync is a file transfer program capable of efficient remote update\n");
754 rprintf(F,"via a fast differencing algorithm.\n");
757 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... DEST\n");
758 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
759 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
760 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
761 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC [DEST]\n");
762 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
763 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
764 rprintf(F,"The ':' usages connect via remote shell, while '::' & 'rsync://' usages connect\n");
765 rprintf(F,"to an rsync daemon, and require SRC or DEST to start with a module name.\n");
767 rprintf(F,"Options\n");
768 #include "help-rsync.h"
770 rprintf(F,"Use \"rsync --daemon --help\" to see the daemon-mode command-line options.\n");
771 rprintf(F,"Please see the rsync(1) and rsyncd.conf(5) man pages for full documentation.\n");
772 rprintf(F,"See https://rsync.samba.org/ for updates, bug reports, and answers\n");
775 enum {OPT_SERVER = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
776 OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP,
777 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD,
778 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
779 OPT_NO_D, OPT_APPEND, OPT_NO_ICONV, OPT_INFO, OPT_DEBUG,
780 OPT_USERMAP, OPT_GROUPMAP, OPT_CHOWN, OPT_BWLIMIT,
781 OPT_OLD_COMPRESS, OPT_NEW_COMPRESS, OPT_NO_COMPRESS,
782 OPT_REFUSED_BASE = 9000};
784 static struct poptOption long_options[] = {
785 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
786 {"help", 0, POPT_ARG_NONE, 0, OPT_HELP, 0, 0 },
787 {"version", 'V', POPT_ARG_NONE, 0, 'V', 0, 0},
788 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
789 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
790 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
791 {"info", 0, POPT_ARG_STRING, 0, OPT_INFO, 0, 0 },
792 {"debug", 0, POPT_ARG_STRING, 0, OPT_DEBUG, 0, 0 },
793 {"msgs2stderr", 0, POPT_ARG_NONE, &msgs2stderr, 0, 0, 0 },
794 {"no-msgs2stderr", 0, POPT_ARG_VAL, &msgs2stderr, 0, 0, 0 },
795 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
796 {"motd", 0, POPT_ARG_VAL, &output_motd, 1, 0, 0 },
797 {"no-motd", 0, POPT_ARG_VAL, &output_motd, 0, 0, 0 },
798 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
799 {"human-readable", 'h', POPT_ARG_NONE, 0, 'h', 0, 0},
800 {"no-human-readable",0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
801 {"no-h", 0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
802 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
803 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
804 {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 },
805 {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
806 {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
807 {"inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
808 {"no-inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
809 {"i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
810 {"no-i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
811 {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
812 {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
813 {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
814 {"old-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
815 {"old-d", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
816 {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
817 {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
818 {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
819 {"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 },
820 {"acls", 'A', POPT_ARG_NONE, 0, 'A', 0, 0 },
821 {"no-acls", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
822 {"no-A", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
823 {"xattrs", 'X', POPT_ARG_NONE, 0, 'X', 0, 0 },
824 {"no-xattrs", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
825 {"no-X", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
826 {"times", 't', POPT_ARG_VAL, &preserve_times, 1, 0, 0 },
827 {"no-times", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
828 {"no-t", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
829 {"atimes", 'U', POPT_ARG_NONE, 0, 'U', 0, 0 },
830 {"no-atimes", 0, POPT_ARG_VAL, &preserve_atimes, 0, 0, 0 },
831 {"no-U", 0, POPT_ARG_VAL, &preserve_atimes, 0, 0, 0 },
832 {"open-noatime", 0, POPT_ARG_VAL, &open_noatime, 1, 0, 0 },
833 {"no-open-noatime", 0, POPT_ARG_VAL, &open_noatime, 0, 0, 0 },
834 {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 1, 0, 0 },
835 {"no-omit-dir-times",0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
836 {"no-O", 0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
837 {"omit-link-times", 'J', POPT_ARG_VAL, &omit_link_times, 1, 0, 0 },
838 {"no-omit-link-times",0, POPT_ARG_VAL, &omit_link_times, 0, 0, 0 },
839 {"no-J", 0, POPT_ARG_VAL, &omit_link_times, 0, 0, 0 },
840 {"modify-window", '@', POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
841 {"super", 0, POPT_ARG_VAL, &am_root, 2, 0, 0 },
842 {"no-super", 0, POPT_ARG_VAL, &am_root, 0, 0, 0 },
843 {"fake-super", 0, POPT_ARG_VAL, &am_root, -1, 0, 0 },
844 {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 },
845 {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
846 {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
847 {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 },
848 {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
849 {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
850 {0, 'D', POPT_ARG_NONE, 0, 'D', 0, 0 },
851 {"no-D", 0, POPT_ARG_NONE, 0, OPT_NO_D, 0, 0 },
852 {"devices", 0, POPT_ARG_VAL, &preserve_devices, 1, 0, 0 },
853 {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
854 {"write-devices", 0, POPT_ARG_VAL, &write_devices, 1, 0, 0 },
855 {"no-write-devices", 0, POPT_ARG_VAL, &write_devices, 0, 0, 0 },
856 {"specials", 0, POPT_ARG_VAL, &preserve_specials, 1, 0, 0 },
857 {"no-specials", 0, POPT_ARG_VAL, &preserve_specials, 0, 0, 0 },
858 {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 },
859 {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
860 {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
861 {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 },
862 {"copy-unsafe-links",0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 },
863 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
864 {"munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 1, 0, 0 },
865 {"no-munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 0, 0, 0 },
866 {"copy-dirlinks", 'k', POPT_ARG_NONE, ©_dirlinks, 0, 0, 0 },
867 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
868 {"hard-links", 'H', POPT_ARG_NONE, 0, 'H', 0, 0 },
869 {"no-hard-links", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
870 {"no-H", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
871 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
872 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
873 {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
874 {"implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
875 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
876 {"i-d", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
877 {"no-i-d", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
878 {"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 },
879 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
880 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
881 {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 },
882 {"no-one-file-system",0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
883 {"no-x", 0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
884 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
885 {"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
886 {"ignore-non-existing",0,POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
887 {"ignore-existing", 0, POPT_ARG_NONE, &ignore_existing, 0, 0, 0 },
888 {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
889 {"min-size", 0, POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 },
890 {"max-alloc", 0, POPT_ARG_STRING, &max_alloc_arg, 0, 0, 0 },
891 {"sparse", 'S', POPT_ARG_VAL, &sparse_files, 1, 0, 0 },
892 {"no-sparse", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
893 {"no-S", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
894 {"preallocate", 0, POPT_ARG_NONE, &preallocate_files, 0, 0, 0},
895 {"inplace", 0, POPT_ARG_VAL, &inplace, 1, 0, 0 },
896 {"no-inplace", 0, POPT_ARG_VAL, &inplace, 0, 0, 0 },
897 {"append", 0, POPT_ARG_NONE, 0, OPT_APPEND, 0, 0 },
898 {"append-verify", 0, POPT_ARG_VAL, &append_mode, 2, 0, 0 },
899 {"no-append", 0, POPT_ARG_VAL, &append_mode, 0, 0, 0 },
900 {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
901 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
902 {"delete-before", 0, POPT_ARG_NONE, &delete_before, 0, 0, 0 },
903 {"delete-during", 0, POPT_ARG_VAL, &delete_during, 1, 0, 0 },
904 {"delete-delay", 0, POPT_ARG_VAL, &delete_during, 2, 0, 0 },
905 {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
906 {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
907 {"delete-missing-args",0,POPT_BIT_SET, &missing_args, 2, 0, 0 },
908 {"ignore-missing-args",0,POPT_BIT_SET, &missing_args, 1, 0, 0 },
909 {"remove-sent-files",0, POPT_ARG_VAL, &remove_source_files, 2, 0, 0 }, /* deprecated */
910 {"remove-source-files",0,POPT_ARG_VAL, &remove_source_files, 1, 0, 0 },
911 {"force", 0, POPT_ARG_VAL, &force_delete, 1, 0, 0 },
912 {"no-force", 0, POPT_ARG_VAL, &force_delete, 0, 0, 0 },
913 {"ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 1, 0, 0 },
914 {"no-ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 0, 0, 0 },
915 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
916 {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
917 {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
918 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
919 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
920 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
921 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
922 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
923 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
924 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
925 {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
926 {"checksum", 'c', POPT_ARG_VAL, &always_checksum, 1, 0, 0 },
927 {"no-checksum", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
928 {"no-c", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
929 {"checksum-choice", 0, POPT_ARG_STRING, &checksum_choice, 0, 0, 0 },
930 {"cc", 0, POPT_ARG_STRING, &checksum_choice, 0, 0, 0 },
931 {"block-size", 'B', POPT_ARG_LONG, &block_size, 0, 0, 0 },
932 {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
933 {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
934 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
935 {"fuzzy", 'y', POPT_ARG_NONE, 0, 'y', 0, 0 },
936 {"no-fuzzy", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
937 {"no-y", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
938 {"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 },
939 {"old-compress", 0, POPT_ARG_NONE, 0, OPT_OLD_COMPRESS, 0, 0 },
940 {"new-compress", 0, POPT_ARG_NONE, 0, OPT_NEW_COMPRESS, 0, 0 },
941 {"no-compress", 0, POPT_ARG_NONE, 0, OPT_NO_COMPRESS, 0, 0 },
942 {"no-z", 0, POPT_ARG_NONE, 0, OPT_NO_COMPRESS, 0, 0 },
943 {"compress-choice", 0, POPT_ARG_STRING, &compress_choice, 0, 0, 0 },
944 {"zc", 0, POPT_ARG_STRING, &compress_choice, 0, 0, 0 },
945 {"skip-compress", 0, POPT_ARG_STRING, &skip_compress, 0, 0, 0 },
946 {"compress-level", 0, POPT_ARG_INT, &do_compression_level, 0, 0, 0 },
947 {"zl", 0, POPT_ARG_INT, &do_compression_level, 0, 0, 0 },
948 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
949 {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 },
950 {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 },
951 {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 },
952 {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 },
953 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
954 {"delay-updates", 0, POPT_ARG_VAL, &delay_updates, 1, 0, 0 },
955 {"no-delay-updates", 0, POPT_ARG_VAL, &delay_updates, 0, 0, 0 },
956 {"prune-empty-dirs",'m', POPT_ARG_VAL, &prune_empty_dirs, 1, 0, 0 },
957 {"no-prune-empty-dirs",0,POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
958 {"no-m", 0, POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
959 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
960 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
961 {"out-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 },
962 {"log-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 }, /* DEPRECATED */
963 {"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 },
964 {"no-itemize-changes",0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
965 {"no-i", 0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
966 {"bwlimit", 0, POPT_ARG_STRING, &bwlimit_arg, OPT_BWLIMIT, 0, 0 },
967 {"no-bwlimit", 0, POPT_ARG_VAL, &bwlimit, 0, 0, 0 },
968 {"backup", 'b', POPT_ARG_VAL, &make_backups, 1, 0, 0 },
969 {"no-backup", 0, POPT_ARG_VAL, &make_backups, 0, 0, 0 },
970 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
971 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
972 {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
973 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
974 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
975 {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
976 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
977 {"from0", '0', POPT_ARG_VAL, &eol_nulls, 1, 0, 0},
978 {"no-from0", 0, POPT_ARG_VAL, &eol_nulls, 0, 0, 0},
979 {"protect-args", 's', POPT_ARG_VAL, &protect_args, 1, 0, 0},
980 {"no-protect-args", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
981 {"no-s", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
982 {"numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 1, 0, 0 },
983 {"no-numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 0, 0, 0 },
984 {"usermap", 0, POPT_ARG_STRING, 0, OPT_USERMAP, 0, 0 },
985 {"groupmap", 0, POPT_ARG_STRING, 0, OPT_GROUPMAP, 0, 0 },
986 {"chown", 0, POPT_ARG_STRING, 0, OPT_CHOWN, 0, 0 },
987 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
988 {"no-timeout", 0, POPT_ARG_VAL, &io_timeout, 0, 0, 0 },
989 {"contimeout", 0, POPT_ARG_INT, &connect_timeout, 0, 0, 0 },
990 {"no-contimeout", 0, POPT_ARG_VAL, &connect_timeout, 0, 0, 0 },
991 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
992 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
993 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
994 {"iconv", 0, POPT_ARG_STRING, &iconv_opt, 0, 0, 0 },
995 {"no-iconv", 0, POPT_ARG_NONE, 0, OPT_NO_ICONV, 0, 0 },
996 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
997 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
998 {"8-bit-output", '8', POPT_ARG_VAL, &allow_8bit_chars, 1, 0, 0 },
999 {"no-8-bit-output", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
1000 {"no-8", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
1001 {"qsort", 0, POPT_ARG_NONE, &use_qsort, 0, 0, 0 },
1002 {"copy-as", 0, POPT_ARG_STRING, ©_as, 0, 0, 0 },
1003 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
1004 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
1005 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
1006 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
1007 {"early-input", 0, POPT_ARG_STRING, &early_input_file, 0, 0, 0 },
1008 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
1009 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
1010 {"outbuf", 0, POPT_ARG_STRING, &outbuf_mode, 0, 0, 0 },
1011 {"remote-option", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
1012 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
1013 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
1014 {"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 },
1015 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
1016 /* All the following options switch us into daemon-mode option-parsing. */
1017 {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
1018 {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
1019 {"dparam", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
1020 {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
1021 {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
1025 static void daemon_usage(enum logcode F)
1027 print_rsync_version(F);
1030 rprintf(F,"Usage: rsync --daemon [OPTION]...\n");
1031 #include "help-rsyncd.h"
1033 rprintf(F,"If you were not trying to invoke rsync as a daemon, avoid using any of the\n");
1034 rprintf(F,"daemon-specific rsync options. See also the rsyncd.conf(5) man page.\n");
1037 static struct poptOption long_daemon_options[] = {
1038 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
1039 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
1040 {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
1041 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
1042 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
1043 {"dparam", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
1044 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
1045 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
1046 {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
1047 {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
1048 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
1049 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
1050 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
1051 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
1052 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
1053 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
1054 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
1055 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
1056 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
1057 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
1058 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
1063 static char err_buf[200];
1067 * Store the option error message, if any, so that we can log the
1068 * connection attempt (which requires parsing the options), and then
1069 * show the error later on.
1071 void option_error(void)
1074 strlcpy(err_buf, "Error parsing options: option may "
1075 "be supported on client but not on server?\n",
1079 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
1080 io_flush(MSG_FLUSH);
1085 static void parse_one_refuse_match(int negated, const char *ref, const struct poptOption *list_end)
1087 struct poptOption *op;
1089 int is_wild = strpbrk(ref, "*?[") != NULL;
1090 int found_match = 0;
1092 shortName[1] = '\0';
1094 if (strcmp("a", ref) == 0 || strcmp("archive", ref) == 0) {
1095 ref = "[ardlptgoD]";
1099 for (op = long_options; op != list_end; op++) {
1100 *shortName = op->shortName;
1101 if ((op->longName && wildmatch(ref, op->longName))
1102 || (*shortName && wildmatch(ref, shortName))) {
1103 if (op->descrip[1] == '*')
1104 op->descrip = negated ? "a*" : "r*";
1106 op->descrip = negated ? "a=" : "r=";
1114 rprintf(FLOG, "No match for refuse-options string \"%s\"\n", ref);
1119 * Tweak the option table to disable all options that the rsyncd.conf
1120 * file has told us to refuse.
1122 static void set_refuse_options(void)
1124 struct poptOption *op, *list_end = NULL;
1125 char *cp, *ref = lp_refuse_options(module_id);
1134 /* We abuse the descrip field in poptOption to make it easy to flag which options
1135 * are refused (since we don't use it otherwise). Start by marking all options
1136 * as "a"ccepted with a few options also marked as non-wild. */
1137 for (op = long_options; ; op++) {
1138 const char *longName = op->longName ? op->longName : "";
1139 if (!op->longName && !op->shortName) {
1144 || op->shortName == 'e' /* Required for compatibility flags */
1145 || op->shortName == '0' /* --from0 just modifies --files-from, so refuse that instead (or not) */
1146 || op->shortName == 's' /* --protect-args is always OK */
1147 || op->shortName == 'n' /* --dry-run is always OK */
1148 || strcmp("iconv", longName) == 0
1149 || strcmp("no-iconv", longName) == 0
1150 || strcmp("checksum-seed", longName) == 0
1151 || strcmp("write-devices", longName) == 0 /* disable wild-match (it gets refused below) */
1152 || strcmp("log-format", longName) == 0 /* aka out-format (NOT log-file-format) */
1153 || strcmp("sender", longName) == 0
1154 || strcmp("server", longName) == 0)
1155 op->descrip = "a="; /* exact-match only */
1157 op->descrip = "a*"; /* wild-card-able */
1159 assert(list_end != NULL);
1161 if (am_daemon) { /* Refused by default, but can be accepted via a negated exact match. */
1162 parse_one_refuse_match(0, "write-devices", list_end);
1166 while (*ref == ' ') ref++;
1169 if ((cp = strchr(ref, ' ')) != NULL)
1171 negated = *ref == '!';
1172 if (negated && ref[1])
1174 parse_one_refuse_match(negated, ref, list_end);
1183 if (!*lp_charset(module_id))
1184 parse_one_refuse_match(0, "iconv", list_end);
1186 parse_one_refuse_match(0, "log-file*", list_end);
1189 #ifndef SUPPORT_ATIMES
1190 parse_one_refuse_match(0, "atimes", list_end);
1192 #ifndef SUPPORT_HARD_LINKS
1193 parse_one_refuse_match(0, "link-dest", list_end);
1195 #ifndef ICONV_OPTION
1196 parse_one_refuse_match(0, "iconv", list_end);
1198 #ifndef HAVE_SETVBUF
1199 parse_one_refuse_match(0, "outbuf", list_end);
1202 /* Now we use the descrip values to actually mark the options for refusal. */
1203 for (op = long_options; op != list_end; op++) {
1204 int refused = op->descrip[0] == 'r';
1208 if (op->argInfo == POPT_ARG_VAL)
1209 op->argInfo = POPT_ARG_NONE;
1210 op->val = (op - long_options) + OPT_REFUSED_BASE;
1211 /* The following flags are set to let us easily check an implied option later in the code. */
1212 switch (op->shortName) {
1213 case 'r': case 'd': case 'l': case 'p':
1214 case 't': case 'g': case 'o': case 'D':
1215 refused_archive_part = op->val;
1218 refused_compress = op->val;
1221 if (strcmp("delete", op->longName) == 0)
1222 refused_delete = op->val;
1223 else if (strcmp("delete-before", op->longName) == 0)
1224 refused_delete_before = op->val;
1225 else if (strcmp("delete-during", op->longName) == 0)
1226 refused_delete_during = op->val;
1227 else if (strcmp("partial", op->longName) == 0)
1228 refused_partial = op->val;
1229 else if (strcmp("progress", op->longName) == 0)
1230 refused_progress = op->val;
1231 else if (strcmp("inplace", op->longName) == 0)
1232 refused_inplace = op->val;
1233 else if (strcmp("no-iconv", op->longName) == 0)
1234 refused_no_iconv = op->val;
1241 static int count_args(const char **argv)
1246 while (argv[i] != NULL)
1253 /* If the size_arg is an invalid string or the value is < min_value, an error
1254 * is put into err_buf & the return is -1. Note that this parser does NOT
1255 * support negative numbers, so a min_value < 0 doesn't make any sense. */
1256 static ssize_t parse_size_arg(char *size_arg, char def_suf, const char *opt_name, ssize_t min_value, BOOL allow_0)
1259 const char *arg, *err = "invalid";
1262 for (arg = size_arg; isDigit(arg); arg++) {}
1264 for (arg++; isDigit(arg); arg++) {}
1265 switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) {
1287 if (*arg == 'b' || *arg == 'B')
1289 else if (!*arg || *arg == '+' || *arg == '-')
1291 else if (strncasecmp(arg, "ib", 2) == 0)
1292 mult = 1024, arg += 2;
1297 size *= atof(size_arg);
1298 if ((*arg == '+' || *arg == '-') && arg[1] == '1' && arg != size_arg)
1299 size += atoi(arg), arg += 2;
1302 if (size < min_value && (!allow_0 || size != 0)) {
1303 err = size < 0 ? "too big" : "too small";
1309 snprintf(err_buf, sizeof err_buf, "--%s value is %s: %s\n", opt_name, err, size_arg);
1313 static void create_refuse_error(int which)
1317 msg = "The server is configured to refuse";
1319 msg = "The server does not support";
1321 msg = "This rsync does not support";
1323 /* The "which" value is the index + OPT_REFUSED_BASE. */
1324 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
1325 int n = snprintf(err_buf, sizeof err_buf, "%s --%s\n", msg, op->longName) - 1;
1327 snprintf(err_buf + n, sizeof err_buf - n, " (-%c)\n", op->shortName);
1330 /* This is used to make sure that --daemon & --server cannot be aliased to
1331 * something else. These options have always disabled popt aliases for the
1332 * parsing of a daemon or server command-line, but we have to make sure that
1333 * these options cannot vanish so that the alias disabling can take effect. */
1334 static void popt_unalias(poptContext con, const char *opt)
1336 struct poptAlias unalias;
1338 memset(&unalias, 0, sizeof unalias);
1340 unalias.longName = opt + 2; /* point past the leading "--" */
1342 unalias.argv = new_array0(const char*, 2);
1343 unalias.argv[0] = strdup(opt);
1345 poptAddAlias(con, unalias, 0);
1348 char *alt_dest_opt(int type)
1351 type = alt_dest_type;
1355 return "--compare-dest";
1357 return "--copy-dest";
1359 return "--link-dest";
1366 * Process command line arguments. Called on both local and remote.
1368 * @retval 1 if all options are OK; with globals set to appropriate
1371 * @retval 0 on error, with err_buf containing an explanation
1373 int parse_arguments(int *argc_p, const char ***argv_p)
1375 static poptContext pc;
1376 const char *arg, **argv = *argv_p;
1378 int opt, want_dest_type;
1379 int orig_protect_args = protect_args;
1382 strlcpy(err_buf, "argc is zero!\n", sizeof err_buf);
1386 set_refuse_options();
1389 if (!am_daemon && protect_args <= 0 && (arg = getenv("RSYNC_ICONV")) != NULL && *arg)
1390 iconv_opt = strdup(arg);
1393 /* TODO: Call poptReadDefaultConfig; handle errors. */
1395 /* The context leaks in case of an error, but if there's a
1396 * problem we always exit anyhow. */
1398 poptFreeContext(pc);
1399 pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
1401 poptReadDefaultConfig(pc, 0);
1402 popt_unalias(pc, "--daemon");
1403 popt_unalias(pc, "--server");
1406 while ((opt = poptGetNextOpt(pc)) != -1) {
1407 /* most options are handled automatically by popt;
1408 * only special cases are returned and listed here. */
1417 /* Disable popt aliases on the server side and
1418 * then start parsing the options again. */
1419 poptFreeContext(pc);
1420 pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
1431 exit_cleanup(RERR_SYNTAX);
1439 "Attempt to hack rsync thwarted!\n",
1447 poptFreeContext(pc);
1448 pc = poptGetContext(RSYNC_NAME, argc, argv, long_daemon_options, 0);
1449 while ((opt = poptGetNextOpt(pc)) != -1) {
1453 daemon_usage(FINFO);
1457 arg = poptGetOptArg(pc);
1458 if (!strchr(arg, '=')) {
1460 "--dparam value is missing an '=': %s\n",
1464 cpp = EXPAND_ITEM_LIST(&dparam_list, char *, 4);
1474 "rsync: %s: %s (in daemon mode)\n",
1475 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1481 if (dparam_list.count && !set_dparams(1))
1482 exit_cleanup(RERR_SYNTAX);
1484 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
1485 snprintf(err_buf, sizeof err_buf,
1486 "the --temp-dir path is WAY too long.\n");
1491 rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
1493 rprintf(FERROR, "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
1494 exit_cleanup(RERR_SYNTAX);
1497 *argv_p = argv = poptGetArgs(pc);
1498 *argc_p = argc = count_args(argv);
1504 case OPT_MODIFY_WINDOW:
1505 /* The value has already been set by popt, but
1506 * we need to remember that we're using a
1507 * non-default setting. */
1508 modify_window_set = 1;
1512 parse_filter_str(&filter_list, poptGetOptArg(pc),
1513 rule_template(0), 0);
1517 parse_filter_str(&filter_list, poptGetOptArg(pc),
1518 rule_template(0), XFLG_OLD_PREFIXES);
1522 parse_filter_str(&filter_list, poptGetOptArg(pc),
1523 rule_template(FILTRULE_INCLUDE), XFLG_OLD_PREFIXES);
1526 case OPT_EXCLUDE_FROM:
1527 case OPT_INCLUDE_FROM:
1528 arg = poptGetOptArg(pc);
1530 arg = sanitize_path(NULL, arg, NULL, 0, SP_DEFAULT);
1531 if (daemon_filter_list.head) {
1533 char *cp = strdup(arg);
1537 char *dir = cp + (*cp == '/' ? module_dirlen : 0);
1538 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1539 rej = check_filter(&daemon_filter_list, FLOG, dir, 0) < 0;
1543 goto options_rejected;
1545 parse_filter_file(&filter_list, arg,
1546 rule_template(opt == OPT_INCLUDE_FROM ? FILTRULE_INCLUDE : 0),
1547 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
1551 if (refused_archive_part) {
1552 create_refuse_error(refused_archive_part);
1555 if (!recurse) /* preserve recurse == 2 */
1557 #ifdef SUPPORT_LINKS
1564 preserve_devices = 1;
1565 preserve_specials = 1;
1569 preserve_devices = preserve_specials = 1;
1573 preserve_devices = preserve_specials = 0;
1581 preserve_hard_links++;
1589 if (++preserve_atimes > 1)
1610 switch (++F_option_cnt) {
1612 parse_filter_str(&filter_list,": /.rsync-filter",rule_template(0),0);
1615 parse_filter_str(&filter_list,"- .rsync-filter",rule_template(0),0);
1621 if (refused_partial || refused_progress) {
1622 create_refuse_error(refused_partial ? refused_partial : refused_progress);
1633 case OPT_OLD_COMPRESS:
1634 compress_choice = "zlib";
1637 case OPT_NEW_COMPRESS:
1638 compress_choice = "zlibx";
1641 case OPT_NO_COMPRESS:
1643 compress_choice = NULL;
1647 arg = poptGetOptArg(pc);
1649 snprintf(err_buf, sizeof err_buf,
1650 "Remote option must start with a dash: %s\n", arg);
1653 if (remote_option_cnt+2 >= remote_option_alloc) {
1654 remote_option_alloc += 16;
1655 remote_options = realloc_array(remote_options,
1656 const char *, remote_option_alloc);
1657 if (!remote_option_cnt)
1658 remote_options[0] = "ARG0";
1660 remote_options[++remote_option_cnt] = arg;
1661 remote_options[remote_option_cnt+1] = NULL;
1664 case OPT_WRITE_BATCH:
1665 /* batch_name is already set */
1669 case OPT_ONLY_WRITE_BATCH:
1670 /* batch_name is already set */
1674 case OPT_READ_BATCH:
1675 /* batch_name is already set */
1686 if ((max_size = parse_size_arg(max_size_arg, 'b', "max-size", 0, True)) < 0)
1688 max_size_arg = num_to_byte_string(max_size);
1692 if ((min_size = parse_size_arg(min_size_arg, 'b', "min-size", 0, True)) < 0)
1694 min_size_arg = num_to_byte_string(min_size);
1698 ssize_t size = parse_size_arg(bwlimit_arg, 'K', "bwlimit", 512, True);
1701 bwlimit_arg = num_to_byte_string(size);
1702 bwlimit = (size + 512) / 1024;
1714 want_dest_type = LINK_DEST;
1718 want_dest_type = COPY_DEST;
1721 case OPT_COMPARE_DEST:
1722 want_dest_type = COMPARE_DEST;
1725 if (alt_dest_type && alt_dest_type != want_dest_type) {
1726 snprintf(err_buf, sizeof err_buf,
1727 "ERROR: the %s option conflicts with the %s option\n",
1728 alt_dest_opt(want_dest_type), alt_dest_opt(0));
1731 alt_dest_type = want_dest_type;
1733 if (basis_dir_cnt >= MAX_BASIS_DIRS) {
1734 snprintf(err_buf, sizeof err_buf,
1735 "ERROR: at most %d %s args may be specified\n",
1736 MAX_BASIS_DIRS, alt_dest_opt(0));
1739 /* We defer sanitizing this arg until we know what
1740 * our destination directory is going to be. */
1741 basis_dir[basis_dir_cnt++] = (char *)poptGetOptArg(pc);
1745 arg = poptGetOptArg(pc);
1746 if (!parse_chmod(arg, &chmod_modes)) {
1747 snprintf(err_buf, sizeof err_buf,
1748 "Invalid argument passed to --chmod (%s)\n",
1755 arg = poptGetOptArg(pc);
1756 parse_output_words(info_words, info_levels, arg, USER_PRIORITY);
1760 arg = poptGetOptArg(pc);
1761 parse_output_words(debug_words, debug_levels, arg, USER_PRIORITY);
1766 if (usermap_via_chown) {
1767 snprintf(err_buf, sizeof err_buf,
1768 "--usermap conflicts with prior --chown.\n");
1771 snprintf(err_buf, sizeof err_buf,
1772 "You can only specify --usermap once.\n");
1775 usermap = (char *)poptGetOptArg(pc);
1776 usermap_via_chown = False;
1781 if (groupmap_via_chown) {
1782 snprintf(err_buf, sizeof err_buf,
1783 "--groupmap conflicts with prior --chown.\n");
1786 snprintf(err_buf, sizeof err_buf,
1787 "You can only specify --groupmap once.\n");
1790 groupmap = (char *)poptGetOptArg(pc);
1791 groupmap_via_chown = False;
1795 const char *chown = poptGetOptArg(pc);
1797 if ((arg = strchr(chown, ':')) != NULL)
1798 len = arg++ - chown;
1800 len = strlen(chown);
1803 if (!usermap_via_chown) {
1804 snprintf(err_buf, sizeof err_buf,
1805 "--chown conflicts with prior --usermap.\n");
1808 snprintf(err_buf, sizeof err_buf,
1809 "You can only specify a user-affecting --chown once.\n");
1812 if (asprintf(&usermap, "*:%.*s", len, chown) < 0)
1813 out_of_memory("parse_arguments");
1814 usermap_via_chown = True;
1818 if (!groupmap_via_chown) {
1819 snprintf(err_buf, sizeof err_buf,
1820 "--chown conflicts with prior --groupmap.\n");
1823 snprintf(err_buf, sizeof err_buf,
1824 "You can only specify a group-affecting --chown once.\n");
1827 if (asprintf(&groupmap, "*:%s", arg) < 0)
1828 out_of_memory("parse_arguments");
1829 groupmap_via_chown = True;
1844 /* FIXME: this should probably be ignored with a
1845 * warning and then countermeasures taken to
1846 * restrict group and other access in the presence
1847 * of any more restrictive ACLs, but this is safe
1849 snprintf(err_buf,sizeof(err_buf),
1850 "ACLs are not supported on this %s\n",
1851 am_server ? "server" : "client");
1856 #ifdef SUPPORT_XATTRS
1860 snprintf(err_buf,sizeof(err_buf),
1861 "extended attributes are not supported on this %s\n",
1862 am_server ? "server" : "client");
1867 /* A large opt value means that set_refuse_options()
1868 * turned this option off. */
1869 if (opt >= OPT_REFUSED_BASE) {
1870 create_refuse_error(opt);
1873 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
1874 am_server ? "on remote machine: " : "",
1875 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1881 if (version_opt_cnt) {
1882 print_rsync_version(FINFO);
1886 if (!max_alloc_arg) {
1887 max_alloc_arg = getenv("RSYNC_MAX_ALLOC");
1888 if (max_alloc_arg && !*max_alloc_arg)
1889 max_alloc_arg = NULL;
1891 if (max_alloc_arg) {
1892 ssize_t size = parse_size_arg(max_alloc_arg, 'B', "max-alloc", 1024*1024, True);
1898 if (protect_args < 0) {
1901 else if ((arg = getenv("RSYNC_PROTECT_ARGS")) != NULL && *arg)
1902 protect_args = atoi(arg) ? 1 : 0;
1904 #ifdef RSYNC_USE_PROTECTED_ARGS
1912 if (checksum_choice && strcasecmp(checksum_choice, "auto") != 0 && strcasecmp(checksum_choice, "auto,auto") != 0) {
1913 /* Call this early to verify the args and figure out if we need to force
1914 * --whole-file. Note that the parse function will get called again later,
1915 * just in case an "auto" choice needs to know the protocol_version. */
1916 parse_checksum_choice(0);
1918 checksum_choice = NULL;
1920 if (human_readable > 1 && argc == 2 && !am_server) {
1921 /* Allow the old meaning of 'h' (--help) on its own. */
1926 if (!compress_choice && do_compression > 1)
1927 compress_choice = "zlibx";
1928 if (compress_choice && strcasecmp(compress_choice, "auto") != 0)
1929 parse_compress_choice(0); /* Twiddles do_compression and can possibly NULL-out compress_choice. */
1931 compress_choice = NULL;
1933 if (do_compression || do_compression_level != CLVL_NOT_SPECIFIED) {
1934 if (!do_compression)
1935 do_compression = CPRES_AUTO;
1936 if (do_compression && refused_compress) {
1937 create_refuse_error(refused_compress);
1943 if (outbuf_mode && !am_server) {
1944 int mode = *(uchar *)outbuf_mode;
1946 mode = toupper(mode);
1947 fflush(stdout); /* Just in case... */
1949 case 'N': /* None */
1950 case 'U': /* Unbuffered */
1953 case 'L': /* Line */
1956 case 'B': /* Block */
1957 case 'F': /* Full */
1961 snprintf(err_buf, sizeof err_buf,
1962 "Invalid --outbuf setting -- specify N, L, or B.\n");
1965 setvbuf(stdout, (char *)NULL, mode, 0);
1969 /* Make stderr line buffered for better sharing of the stream. */
1970 fflush(stderr); /* Just in case... */
1971 setvbuf(stderr, (char *)NULL, _IOLBF, 0);
1975 set_output_verbosity(verbose, DEFAULT_PRIORITY);
1978 parse_output_words(info_words, info_levels,
1979 verbose > 1 ? "stats3" : "stats2", DEFAULT_PRIORITY);
1983 if (iconv_opt && protect_args != 2) {
1984 if (!am_server && strcmp(iconv_opt, "-") == 0)
1987 need_unsorted_flist = 1;
1989 if (refused_no_iconv && !iconv_opt) {
1990 create_refuse_error(refused_no_iconv);
1995 if (fuzzy_basis > 1)
1996 fuzzy_basis = basis_dir_cnt + 1;
1998 /* Don't let the client reset protect_args if it was already processed */
1999 if (orig_protect_args == 2 && am_server)
2000 protect_args = orig_protect_args;
2002 if (protect_args == 1 && am_server)
2005 *argv_p = argv = poptGetArgs(pc);
2006 *argc_p = argc = count_args(argv);
2008 #ifndef SUPPORT_LINKS
2009 if (preserve_links && !am_sender) {
2010 snprintf(err_buf, sizeof err_buf,
2011 "symlinks are not supported on this %s\n",
2012 am_server ? "server" : "client");
2017 #ifndef SUPPORT_HARD_LINKS
2018 if (preserve_hard_links) {
2019 snprintf(err_buf, sizeof err_buf,
2020 "hard links are not supported on this %s\n",
2021 am_server ? "server" : "client");
2026 #ifdef SUPPORT_XATTRS
2027 if (am_root < 0 && preserve_xattrs > 1) {
2028 snprintf(err_buf, sizeof err_buf,
2029 "--fake-super conflicts with -XX\n");
2034 snprintf(err_buf, sizeof err_buf,
2035 "--fake-super requires an rsync with extended attributes enabled\n");
2041 /* We may not know the real protocol_version at this point if this is the client
2042 * option parsing, but we still want to check it so that the client can specify
2043 * a --protocol=29 option with a larger block size. */
2044 int32 max_blength = protocol_version < 30 ? OLD_MAX_BLOCK_SIZE : MAX_BLOCK_SIZE;
2046 if (block_size > max_blength) {
2047 snprintf(err_buf, sizeof err_buf,
2048 "--block-size=%lu is too large (max: %u)\n", block_size, max_blength);
2053 if (write_batch && read_batch) {
2054 snprintf(err_buf, sizeof err_buf,
2055 "--write-batch and --read-batch can not be used together\n");
2058 if (write_batch > 0 || read_batch) {
2061 "ignoring --%s-batch option sent to server\n",
2062 write_batch ? "write" : "read");
2063 /* We don't actually exit_cleanup(), so that we can
2064 * still service older version clients that still send
2065 * batch args to server. */
2066 read_batch = write_batch = 0;
2070 } else if (write_batch < 0 && dry_run)
2072 if (read_batch && files_from) {
2073 snprintf(err_buf, sizeof err_buf,
2074 "--read-batch cannot be used with --files-from\n");
2077 if (read_batch && remove_source_files) {
2078 snprintf(err_buf, sizeof err_buf,
2079 "--read-batch cannot be used with --remove-%s-files\n",
2080 remove_source_files == 1 ? "source" : "sent");
2083 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
2084 snprintf(err_buf, sizeof err_buf,
2085 "the batch-file name must be %d characters or less.\n",
2086 MAX_BATCH_NAME_LEN);
2090 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
2091 snprintf(err_buf, sizeof err_buf,
2092 "the --temp-dir path is WAY too long.\n");
2096 if (max_delete < 0 && max_delete != INT_MIN) {
2097 /* Negative numbers are treated as "no deletions". */
2102 if (recurse == 1) /* preserve recurse == 2 */
2108 if (argc < 2 && !read_batch && !am_server)
2111 if (xfer_dirs >= 4) {
2112 parse_filter_str(&filter_list, "- /*/*", rule_template(0), 0);
2113 recurse = xfer_dirs = 1;
2116 else if (xfer_dirs < 0)
2117 xfer_dirs = list_only ? 1 : 0;
2119 if (relative_paths < 0)
2120 relative_paths = files_from? 1 : 0;
2121 if (!relative_paths)
2124 if (delete_before + !!delete_during + delete_after > 1) {
2125 snprintf(err_buf, sizeof err_buf,
2126 "You may not combine multiple --delete-WHEN options.\n");
2129 if (delete_before || delete_during || delete_after)
2131 else if (delete_mode || delete_excluded) {
2132 /* Only choose now between before & during if one is refused. */
2133 if (refused_delete_before) {
2134 if (!refused_delete_during)
2137 create_refuse_error(refused_delete_before);
2140 } else if (refused_delete_during)
2144 if (!xfer_dirs && delete_mode) {
2145 snprintf(err_buf, sizeof err_buf,
2146 "--delete does not work without --recursive (-r) or --dirs (-d).\n");
2150 if (missing_args == 3) /* simplify if both options were specified */
2152 if (refused_delete && (delete_mode || missing_args == 2)) {
2153 create_refuse_error(refused_delete);
2157 if (remove_source_files) {
2158 /* We only want to infer this refusal of --remove-source-files
2159 * via the refusal of "delete", not any of the "delete-FOO"
2161 if (refused_delete && am_sender) {
2162 create_refuse_error(refused_delete);
2165 need_messages_from_generator = 1;
2168 if (munge_symlinks && !am_daemon) {
2170 char prefix[SYMLINK_PREFIX_LEN]; /* NOT +1 ! */
2171 strlcpy(prefix, SYMLINK_PREFIX, sizeof prefix); /* trim the trailing slash */
2172 if (do_stat(prefix, &st) == 0 && S_ISDIR(st.st_mode)) {
2173 rprintf(FERROR, "Symlink munging is unsafe when a %s directory exists.\n",
2175 exit_cleanup(RERR_UNSUPPORTED);
2179 if (sanitize_paths) {
2181 for (i = argc; i-- > 0; )
2182 argv[i] = sanitize_path(NULL, argv[i], "", 0, SP_KEEP_DOT_DIRS);
2184 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0, SP_DEFAULT);
2186 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0, SP_DEFAULT);
2188 if (daemon_filter_list.head && !am_sender) {
2189 filter_rule_list *elp = &daemon_filter_list;
2193 goto options_rejected;
2194 dir = tmpdir + (*tmpdir == '/' ? module_dirlen : 0);
2195 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2196 if (check_filter(elp, FLOG, dir, 1) < 0)
2197 goto options_rejected;
2202 goto options_rejected;
2203 dir = backup_dir + (*backup_dir == '/' ? module_dirlen : 0);
2204 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2205 if (check_filter(elp, FLOG, dir, 1) < 0)
2206 goto options_rejected;
2211 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
2212 backup_suffix_len = strlen(backup_suffix);
2213 if (strchr(backup_suffix, '/') != NULL) {
2214 snprintf(err_buf, sizeof err_buf,
2215 "--suffix cannot contain slashes: %s\n",
2221 make_backups = 1; /* --backup-dir implies --backup */
2222 while (*backup_dir == '.' && backup_dir[1] == '/')
2224 if (*backup_dir == '.' && backup_dir[1] == '\0')
2226 len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
2227 if (len > sizeof backup_dir_buf - 128) {
2228 snprintf(err_buf, sizeof err_buf,
2229 "the --backup-dir path is WAY too long.\n");
2232 backup_dir_len = (int)len;
2233 if (!backup_dir_len) {
2234 backup_dir_len = -1;
2236 } else if (backup_dir_buf[backup_dir_len - 1] != '/') {
2237 backup_dir_buf[backup_dir_len++] = '/';
2238 backup_dir_buf[backup_dir_len] = '\0';
2240 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
2243 /* No need for a suffix or a protect rule. */
2244 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
2245 snprintf(err_buf, sizeof err_buf,
2246 "--suffix cannot be empty %s\n", backup_dir_len < 0
2247 ? "when --backup-dir is the same as the dest dir"
2248 : "without a --backup-dir");
2250 } else if (make_backups && delete_mode && !delete_excluded && !am_server) {
2251 snprintf(backup_dir_buf, sizeof backup_dir_buf,
2252 "P *%s", backup_suffix);
2253 parse_filter_str(&filter_list, backup_dir_buf, rule_template(0), 0);
2256 if (preserve_times) {
2257 preserve_times = PRESERVE_FILE_TIMES;
2258 if (!omit_dir_times)
2259 preserve_times |= PRESERVE_DIR_TIMES;
2260 #ifdef CAN_SET_SYMLINK_TIMES
2261 if (!omit_link_times)
2262 preserve_times |= PRESERVE_LINK_TIMES;
2266 if (make_backups && !backup_dir) {
2267 omit_dir_times = 0; /* Implied, so avoid -O to sender. */
2268 preserve_times &= ~PRESERVE_DIR_TIMES;
2271 if (stdout_format) {
2272 if (am_server && log_format_has(stdout_format, 'I'))
2273 stdout_format_has_i = 2;
2274 else if (log_format_has(stdout_format, 'i'))
2275 stdout_format_has_i = itemize_changes | 1;
2276 if (!log_format_has(stdout_format, 'b')
2277 && !log_format_has(stdout_format, 'c')
2278 && !log_format_has(stdout_format, 'C'))
2279 log_before_transfer = !am_server;
2280 } else if (itemize_changes) {
2281 stdout_format = "%i %n%L";
2282 stdout_format_has_i = itemize_changes;
2283 log_before_transfer = !am_server;
2286 if (do_progress && !am_server) {
2287 if (!log_before_transfer && INFO_EQ(NAME, 0))
2288 parse_output_words(info_words, info_levels, "name", DEFAULT_PRIORITY);
2289 parse_output_words(info_words, info_levels, "flist2,progress", DEFAULT_PRIORITY);
2295 set_io_timeout(io_timeout);
2297 if (INFO_GTE(NAME, 1) && !stdout_format) {
2298 stdout_format = "%n%L";
2299 log_before_transfer = !am_server;
2301 if (stdout_format_has_i || log_format_has(stdout_format, 'o'))
2302 stdout_format_has_o_or_i = 1;
2304 if (logfile_name && !am_daemon) {
2305 if (!logfile_format) {
2306 logfile_format = "%i %n%L";
2307 logfile_format_has_i = logfile_format_has_o_or_i = 1;
2309 if (log_format_has(logfile_format, 'i'))
2310 logfile_format_has_i = 1;
2311 if (logfile_format_has_i || log_format_has(logfile_format, 'o'))
2312 logfile_format_has_o_or_i = 1;
2315 } else if (!am_daemon)
2316 logfile_format = NULL;
2318 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
2319 bwlimit = daemon_bwlimit;
2321 bwlimit_writemax = (size_t)bwlimit * 128;
2322 if (bwlimit_writemax < 512)
2323 bwlimit_writemax = 512;
2327 if (whole_file > 0) {
2328 snprintf(err_buf, sizeof err_buf,
2329 "--append cannot be used with --whole-file\n");
2332 if (refused_inplace) {
2333 create_refuse_error(refused_inplace);
2339 if (write_devices) {
2340 if (refused_inplace) {
2341 create_refuse_error(refused_inplace);
2347 if (delay_updates && !partial_dir)
2348 partial_dir = tmp_partialdir;
2351 #ifdef HAVE_FTRUNCATE
2353 snprintf(err_buf, sizeof err_buf,
2354 "--%s cannot be used with --%s\n",
2355 append_mode ? "append" : "inplace",
2356 delay_updates ? "delay-updates" : "partial-dir");
2359 /* --inplace implies --partial for refusal purposes, but we
2360 * clear the keep_partial flag for internal logic purposes. */
2361 if (refused_partial) {
2362 create_refuse_error(refused_partial);
2367 snprintf(err_buf, sizeof err_buf,
2368 "--%s is not supported on this %s\n",
2369 append_mode ? "append" : "inplace",
2370 am_server ? "server" : "client");
2374 if (keep_partial && !partial_dir && !am_server) {
2375 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
2376 partial_dir = strdup(arg);
2380 clean_fname(partial_dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2381 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
2383 if (!partial_dir && refused_partial) {
2384 create_refuse_error(refused_partial);
2394 if (argc > 2 || (!am_daemon && !am_server && argc == 1)) {
2396 exit_cleanup(RERR_SYNTAX);
2398 if (strcmp(files_from, "-") == 0) {
2401 filesfrom_host = ""; /* reading from socket */
2402 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
2404 snprintf(err_buf, sizeof err_buf,
2405 "The --files-from sent to the server cannot specify a host.\n");
2410 if (strcmp(files_from, "-") == 0) {
2411 snprintf(err_buf, sizeof err_buf,
2412 "Invalid --files-from remote filename\n");
2417 files_from = sanitize_path(NULL, files_from, NULL, 0, SP_DEFAULT);
2418 if (daemon_filter_list.head) {
2421 goto options_rejected;
2422 dir = files_from + (*files_from == '/' ? module_dirlen : 0);
2423 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2424 if (check_filter(&daemon_filter_list, FLOG, dir, 0) < 0)
2425 goto options_rejected;
2427 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
2428 if (filesfrom_fd < 0) {
2429 snprintf(err_buf, sizeof err_buf,
2430 "failed to open files-from file %s: %s\n",
2431 files_from, strerror(errno));
2442 snprintf(err_buf, sizeof err_buf,
2443 "Your options have been rejected by the server.\n");
2449 * Construct a filtered list of options to pass through from the
2450 * client to the server.
2452 * This involves setting options that will tell the server how to
2453 * behave, and also filtering out options that are processed only
2456 void server_options(char **args, int *argc_p)
2458 static char argstr[64];
2464 /* This should always remain first on the server's command-line. */
2465 args[ac++] = "--server";
2467 if (daemon_over_rsh > 0) {
2468 args[ac++] = "--daemon";
2470 /* if we're passing --daemon, we're done */
2475 args[ac++] = "--sender";
2483 for (i = 0; i < verbose; i++)
2486 if (quiet && msgs2stderr)
2492 if (!do_xfers) /* Note: NOT "dry_run"! */
2496 if ((xfer_dirs >= 2 && xfer_dirs < 4)
2497 || (xfer_dirs && !recurse && (list_only || (delete_mode && am_sender))))
2502 if (prune_empty_dirs)
2506 if (omit_link_times)
2510 if (fuzzy_basis > 1)
2522 /* We don't need to send --no-whole-file, because it's the
2523 * default for remote transfers, and in any case old versions
2524 * of rsync will not understand it. */
2526 if (preserve_hard_links) {
2528 if (preserve_hard_links > 1)
2535 if (preserve_devices) /* ignore preserve_specials here */
2539 if (preserve_atimes) {
2541 if (preserve_atimes > 1)
2546 else if (preserve_executability && am_sender)
2552 #ifdef SUPPORT_XATTRS
2553 if (preserve_xattrs) {
2555 if (preserve_xattrs > 1)
2561 if (always_checksum)
2569 if (one_file_system) {
2571 if (one_file_system > 1)
2576 if (do_compression == CPRES_ZLIB)
2579 set_allow_inc_recurse();
2581 /* We don't really know the actual protocol_version at this point,
2582 * but checking the pre-negotiated value allows the user to use a
2583 * --protocol=29 override to avoid the use of this -eFLAGS opt. */
2584 if (protocol_version >= 30) {
2585 /* Use "eFlags" alias so that cull_options doesn't think that these are no-arg option letters. */
2586 #define eFlags argstr
2587 /* We make use of the -e option to let the server know about
2588 * any pre-release protocol version && some behavior flags. */
2590 #if SUBPROTOCOL_VERSION != 0
2591 if (protocol_version == PROTOCOL_VERSION) {
2592 x += snprintf(argstr+x, sizeof argstr - x,
2594 PROTOCOL_VERSION, SUBPROTOCOL_VERSION);
2598 if (allow_inc_recurse)
2600 #ifdef CAN_SET_SYMLINK_TIMES
2601 eFlags[x++] = 'L'; /* symlink time-setting support */
2604 eFlags[x++] = 's'; /* symlink iconv translation support */
2606 eFlags[x++] = 'f'; /* flist I/O-error safety support */
2607 eFlags[x++] = 'x'; /* xattr hardlink optimization not desired */
2608 eFlags[x++] = 'C'; /* support checksum seed order fix */
2609 eFlags[x++] = 'I'; /* support inplace_partial behavior */
2610 eFlags[x++] = 'v'; /* use varint for flist & compat flags; negotiate checksum */
2611 eFlags[x++] = 'u'; /* include name of uid 0 & gid 0 in the id map */
2612 /* NOTE: Avoid using 'V' -- it was the high bit of a write_byte() that became write_varint(). */
2616 if (x >= (int)sizeof argstr) { /* Not possible... */
2617 rprintf(FERROR, "argstr overflow in server_options().\n");
2618 exit_cleanup(RERR_MALLOC);
2624 args[ac++] = argstr;
2628 char *set = strchr(iconv_opt, ',');
2633 if (asprintf(&arg, "--iconv=%s", set) < 0)
2639 if (protect_args && !local_server) /* unprotected args stop here */
2643 args[ac++] = "--list-only";
2645 /* This makes sure that the remote rsync can handle deleting with -d
2646 * sans -r because the --no-r option was added at the same time. */
2647 if (xfer_dirs && !recurse && delete_mode && am_sender)
2648 args[ac++] = "--no-r";
2650 if (do_compression && do_compression_level != CLVL_NOT_SPECIFIED) {
2651 if (asprintf(&arg, "--compress-level=%d", do_compression_level) < 0)
2656 if (preserve_devices) {
2657 /* Note: sending "--devices" would not be backward-compatible. */
2658 if (!preserve_specials)
2659 args[ac++] = "--no-specials"; /* -D is already set. */
2660 } else if (preserve_specials)
2661 args[ac++] = "--specials";
2663 /* The server side doesn't use our log-format, but in certain
2664 * circumstances they need to know a little about the option. */
2665 if (stdout_format && am_sender) {
2666 /* Use --log-format, not --out-format, for compatibility. */
2667 if (stdout_format_has_i > 1)
2668 args[ac++] = "--log-format=%i%I";
2669 else if (stdout_format_has_i)
2670 args[ac++] = "--log-format=%i";
2671 else if (stdout_format_has_o_or_i)
2672 args[ac++] = "--log-format=%o";
2674 args[ac++] = "--log-format=X";
2678 if (asprintf(&arg, "-B%lu", block_size) < 0)
2684 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
2690 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
2696 args[ac++] = "--backup-dir";
2697 args[ac++] = backup_dir;
2700 /* Only send --suffix if it specifies a non-default value. */
2701 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
2702 /* We use the following syntax to avoid weirdness with '~'. */
2703 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
2708 if (checksum_choice) {
2709 if (asprintf(&arg, "--checksum-choice=%s", checksum_choice) < 0)
2714 if (do_compression == CPRES_ZLIBX)
2715 args[ac++] = "--new-compress";
2716 else if (compress_choice && do_compression == CPRES_ZLIB)
2717 args[ac++] = "--old-compress";
2718 else if (compress_choice) {
2719 if (asprintf(&arg, "--compress-choice=%s", compress_choice) < 0)
2725 if (max_delete > 0) {
2726 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
2729 } else if (max_delete == 0)
2730 args[ac++] = "--max-delete=-1";
2731 if (min_size >= 0) {
2732 args[ac++] = "--min-size";
2733 args[ac++] = min_size_arg;
2735 if (max_size >= 0) {
2736 args[ac++] = "--max-size";
2737 args[ac++] = max_size_arg;
2740 args[ac++] = "--delete-before";
2741 else if (delete_during == 2)
2742 args[ac++] = "--delete-delay";
2743 else if (delete_during)
2744 args[ac++] = "--delete-during";
2745 else if (delete_after)
2746 args[ac++] = "--delete-after";
2747 else if (delete_mode && !delete_excluded)
2748 args[ac++] = "--delete";
2749 if (delete_excluded)
2750 args[ac++] = "--delete-excluded";
2752 args[ac++] = "--force";
2753 if (write_batch < 0)
2754 args[ac++] = "--only-write-batch=X";
2756 args[ac++] = "--super";
2758 args[ac++] = "--size-only";
2760 args[ac++] = "--stats";
2762 if (skip_compress) {
2763 if (asprintf(&arg, "--skip-compress=%s", skip_compress) < 0)
2769 if (max_alloc_arg && max_alloc != DEFAULT_MAX_ALLOC) {
2770 args[ac++] = "--max-alloc";
2771 args[ac++] = max_alloc_arg;
2774 /* --delete-missing-args needs the cooperation of both sides, but
2775 * the sender can handle --ignore-missing-args by itself. */
2776 if (missing_args == 2)
2777 args[ac++] = "--delete-missing-args";
2778 else if (missing_args == 1 && !am_sender)
2779 args[ac++] = "--ignore-missing-args";
2781 if (modify_window_set && am_sender) {
2782 char *fmt = modify_window < 0 ? "-@%d" : "--modify-window=%d";
2783 if (asprintf(&arg, fmt, modify_window) < 0)
2788 if (checksum_seed) {
2789 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
2794 if (partial_dir && am_sender) {
2795 if (partial_dir != tmp_partialdir) {
2796 args[ac++] = "--partial-dir";
2797 args[ac++] = partial_dir;
2800 args[ac++] = "--delay-updates";
2801 } else if (keep_partial && am_sender)
2802 args[ac++] = "--partial";
2805 args[ac++] = "--ignore-errors";
2807 if (copy_unsafe_links)
2808 args[ac++] = "--copy-unsafe-links";
2811 args[ac++] = "--safe-links";
2814 args[ac++] = "--numeric-ids";
2817 args[ac++] = "--use-qsort";
2821 if (asprintf(&arg, "--usermap=%s", usermap) < 0)
2827 if (asprintf(&arg, "--groupmap=%s", groupmap) < 0)
2832 if (ignore_existing)
2833 args[ac++] = "--ignore-existing";
2835 /* Backward compatibility: send --existing, not --ignore-non-existing. */
2836 if (ignore_non_existing)
2837 args[ac++] = "--existing";
2840 args[ac++] = "--temp-dir";
2841 args[ac++] = tmpdir;
2845 /* the server only needs this option if it is not the sender,
2846 * and it may be an older version that doesn't know this
2847 * option, so don't send it if client is the sender.
2849 for (i = 0; i < basis_dir_cnt; i++) {
2850 args[ac++] = alt_dest_opt(0);
2851 args[ac++] = basis_dir[i];
2856 /* What flags do we need to send to the other side? */
2857 where = (am_server ? W_CLI : W_SRV) | (am_sender ? W_REC : W_SND);
2858 arg = make_output_option(info_words, info_levels, where);
2863 if (append_mode > 1)
2864 args[ac++] = "--append";
2865 args[ac++] = "--append";
2867 args[ac++] = "--inplace";
2869 if (files_from && (!am_sender || filesfrom_host)) {
2870 if (filesfrom_host) {
2871 args[ac++] = "--files-from";
2872 args[ac++] = files_from;
2874 args[ac++] = "--from0";
2876 args[ac++] = "--files-from=-";
2877 args[ac++] = "--from0";
2879 if (!relative_paths)
2880 args[ac++] = "--no-relative";
2882 /* It's OK that this checks the upper-bound of the protocol_version. */
2883 if (relative_paths && !implied_dirs && (!am_sender || protocol_version >= 30))
2884 args[ac++] = "--no-implied-dirs";
2886 if (write_devices && am_sender)
2887 args[ac++] = "--write-devices";
2889 if (remove_source_files == 1)
2890 args[ac++] = "--remove-source-files";
2891 else if (remove_source_files)
2892 args[ac++] = "--remove-sent-files";
2894 if (preallocate_files && am_sender)
2895 args[ac++] = "--preallocate";
2897 if (open_noatime && preserve_atimes <= 1)
2898 args[ac++] = "--open-noatime";
2900 if (ac > MAX_SERVER_ARGS) { /* Not possible... */
2901 rprintf(FERROR, "argc overflow in server_options().\n");
2902 exit_cleanup(RERR_MALLOC);
2905 if (remote_option_cnt) {
2907 if (ac + remote_option_cnt > MAX_SERVER_ARGS) {
2908 rprintf(FERROR, "too many remote options specified.\n");
2909 exit_cleanup(RERR_SYNTAX);
2911 for (j = 1; j <= remote_option_cnt; j++)
2912 args[ac++] = (char*)remote_options[j];
2919 out_of_memory("server_options");
2922 /* If str points to a valid hostspec, return allocated memory containing the
2923 * [USER@]HOST part of the string, and set the path_start_ptr to the part of
2924 * the string after the host part. Otherwise, return NULL. If port_ptr is
2925 * non-NULL, we must be parsing an rsync:// URL hostname, and we will set
2926 * *port_ptr if a port number is found. Note that IPv6 IPs will have their
2927 * (required for parsing) [ and ] chars elided from the returned string. */
2928 static char *parse_hostspec(char *str, char **path_start_ptr, int *port_ptr)
2930 char *s, *host_start = str;
2931 int hostlen = 0, userlen = 0;
2934 for (s = str; ; s++) {
2936 /* It is only OK if we run out of string with rsync:// */
2940 hostlen = s - host_start;
2943 if (*s == ':' || *s == '/') {
2945 hostlen = s - host_start;
2949 } else if (port_ptr) {
2950 *port_ptr = atoi(s);
2951 while (isDigit(s)) s++;
2952 if (*s && *s++ != '/')
2958 userlen = s - str + 1;
2960 } else if (*s == '[') {
2961 if (s != host_start++)
2963 while (*s && *s != ']' && *s != '/') s++; /*SHARED ITERATOR*/
2964 hostlen = s - host_start;
2965 if (*s != ']' || (s[1] && s[1] != '/' && s[1] != ':') || !hostlen)
2970 *path_start_ptr = s;
2971 ret = new_array(char, userlen + hostlen + 1);
2973 strlcpy(ret, str, userlen + 1);
2974 strlcpy(ret + userlen, host_start, hostlen + 1);
2978 /* Look for a HOST specification of the form "HOST:PATH", "HOST::PATH", or
2979 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
2980 * memory with the HOST. If a daemon-accessing spec was specified, the value
2981 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
2982 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
2983 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
2984 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
2985 char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
2989 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
2990 *host_ptr = parse_hostspec(s + strlen(URL_PREFIX), &path, port_ptr);
2993 *port_ptr = -1; /* -1 indicates they want the default */
2998 *host_ptr = parse_hostspec(s, &path, NULL);
3003 if (port_ptr && !*port_ptr)