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.
24 #include "latest-year.h"
28 extern int local_server;
29 extern int sanitize_paths;
30 extern int daemon_over_rsh;
31 extern unsigned int module_dirlen;
32 extern struct name_num_obj valid_checksums;
33 extern struct name_num_obj valid_compressions;
34 extern filter_rule_list filter_list;
35 extern filter_rule_list daemon_filter_list;
40 * If 1, send the whole file as literal data rather than trying to
41 * create an incremental diff.
43 * If -1, then look at whether we're local or remote and go by that.
45 * @sa disable_deltas_p()
50 int keep_dirlinks = 0;
51 int copy_dirlinks = 0;
53 int write_devices = 0;
54 int preserve_links = 0;
55 int preserve_hard_links = 0;
56 int preserve_acls = 0;
57 int preserve_xattrs = 0;
58 int preserve_perms = 0;
59 int preserve_executability = 0;
60 int preserve_devices = 0;
61 int preserve_specials = 0;
64 int preserve_times = 0;
65 int preserve_atimes = 0;
73 int delete_during = 0;
74 int delete_before = 0;
76 int delete_excluded = 0;
77 int remove_source_files = 0;
78 int one_file_system = 0;
79 int protocol_version = PROTOCOL_VERSION;
81 int preallocate_files = 0;
82 int do_compression = 0;
83 int do_compression_level = CLVL_NOT_SPECIFIED;
84 int am_root = 0; /* 0 = normal, 1 = root, 2 = --super, -1 = --fake-super */
87 int am_starting_up = 1;
88 int relative_paths = -1;
90 int missing_args = 0; /* 0 = FERROR_XFER, 1 = ignore, 2 = delete */
93 int allow_8bit_chars = 0;
96 int prune_empty_dirs = 0;
98 char *files_from = NULL;
99 int filesfrom_fd = -1;
100 char *filesfrom_host = NULL;
102 int protect_args = -1;
103 int human_readable = 1;
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 long block_size = 0; /* "long" because popt can't set an int32. */
131 char *skip_compress = NULL;
132 char *copy_as = NULL;
133 item_list dparam_list = EMPTY_ITEM_LIST;
135 /** Network address family. **/
138 = 0; /* Any protocol */
140 = AF_INET; /* Must use IPv4 */
144 # define AF_INET6 AF_INET /* make -6 option a no-op */
147 /** Do not go into the background when run as --daemon. Good
148 * for debugging and required for running as a service on W32,
149 * or under Unix process-monitors. **/
151 #if defined _WIN32 || defined __WIN32__
159 int backup_dir_len = 0;
160 int backup_suffix_len;
161 unsigned int backup_dir_remainder;
163 char *backup_suffix = NULL;
165 char *partial_dir = NULL;
166 char *basis_dir[MAX_BASIS_DIRS+1];
167 char *config_file = NULL;
168 char *shell_cmd = NULL;
169 char *logfile_name = NULL;
170 char *logfile_format = NULL;
171 char *stdout_format = NULL;
172 char *password_file = NULL;
173 char *rsync_path = RSYNC_PATH;
174 char *backup_dir = NULL;
175 char backup_dir_buf[MAXPATHLEN];
176 char *sockopts = NULL;
177 char *usermap = NULL;
178 char *groupmap = NULL;
180 int alt_dest_type = 0;
181 int basis_dir_cnt = 0;
183 static int remote_option_alloc = 0;
184 int remote_option_cnt = 0;
185 const char **remote_options = NULL;
186 const char *checksum_choice = NULL;
187 const char *compress_choice = NULL;
191 int log_before_transfer = 0;
192 int stdout_format_has_i = 0;
193 int stdout_format_has_o_or_i = 0;
194 int logfile_format_has_i = 0;
195 int logfile_format_has_o_or_i = 0;
196 int always_checksum = 0;
199 #define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
200 char *batch_name = NULL;
202 int need_unsorted_flist = 0;
204 char *iconv_opt = ICONV_OPTION;
207 struct chmod_mode_struct *chmod_modes = NULL;
209 static const char *debug_verbosity[] = {
212 /*2*/ "BIND,CMD,CONNECT,DEL,DELTASUM,DUP,FILTER,FLIST,ICONV",
213 /*3*/ "ACL,BACKUP,CONNECT2,DELTASUM2,DEL2,EXIT,FILTER2,FLIST2,FUZZY,GENR,OWN,RECV,SEND,TIME",
214 /*4*/ "CMD2,DELTASUM3,DEL3,EXIT2,FLIST3,ICONV2,OWN2,PROTO,TIME2",
215 /*5*/ "CHDIR,DELTASUM4,FLIST4,FUZZY2,HASH,HLINK",
218 #define MAX_VERBOSITY ((int)(sizeof debug_verbosity / sizeof debug_verbosity[0]) - 1)
220 static const char *info_verbosity[1+MAX_VERBOSITY] = {
222 /*1*/ "COPY,DEL,FLIST,MISC,NAME,STATS,SYMSAFE",
223 /*2*/ "BACKUP,MISC2,MOUNT,NAME2,REMOVE,SKIP",
226 #define MAX_OUT_LEVEL 4 /* The largest N allowed for any flagN word. */
228 short info_levels[COUNT_INFO], debug_levels[COUNT_DEBUG];
230 #define DEFAULT_PRIORITY 0 /* Default/implied/--verbose set values. */
231 #define HELP_PRIORITY 1 /* The help output uses this level. */
232 #define USER_PRIORITY 2 /* User-specified via --info or --debug */
233 #define LIMIT_PRIORITY 3 /* Overriding priority when limiting values. */
235 #define W_CLI (1<<0) /* client side */
236 #define W_SRV (1<<1) /* server side */
237 #define W_SND (1<<2) /* sending side */
238 #define W_REC (1<<3) /* receiving side */
240 struct output_struct {
241 char *name; /* The name of the info/debug flag. */
242 char *help; /* The description of the info/debug flag. */
243 uchar namelen; /* The length of the name string. */
244 uchar flag; /* The flag's value, for consistency check. */
245 uchar where; /* Bits indicating where the flag is used. */
246 uchar priority; /* See *_PRIORITY defines. */
249 #define INFO_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, INFO_##flag, where, 0 }
251 static struct output_struct info_words[COUNT_INFO+1] = {
252 INFO_WORD(BACKUP, W_REC, "Mention files backed up"),
253 INFO_WORD(COPY, W_REC, "Mention files copied locally on the receiving side"),
254 INFO_WORD(DEL, W_REC, "Mention deletions on the receiving side"),
255 INFO_WORD(FLIST, W_CLI, "Mention file-list receiving/sending (levels 1-2)"),
256 INFO_WORD(MISC, W_SND|W_REC, "Mention miscellaneous information (levels 1-2)"),
257 INFO_WORD(MOUNT, W_SND|W_REC, "Mention mounts that were found or skipped"),
258 INFO_WORD(NAME, W_SND|W_REC, "Mention 1) updated file/dir names, 2) unchanged names"),
259 INFO_WORD(PROGRESS, W_CLI, "Mention 1) per-file progress or 2) total transfer progress"),
260 INFO_WORD(REMOVE, W_SND, "Mention files removed on the sending side"),
261 INFO_WORD(SKIP, W_REC, "Mention files that are skipped due to options used"),
262 INFO_WORD(STATS, W_CLI|W_SRV, "Mention statistics at end of run (levels 1-3)"),
263 INFO_WORD(SYMSAFE, W_SND|W_REC, "Mention symlinks that are unsafe"),
264 { NULL, "--info", 0, 0, 0, 0 }
267 #define DEBUG_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, DEBUG_##flag, where, 0 }
269 static struct output_struct debug_words[COUNT_DEBUG+1] = {
270 DEBUG_WORD(ACL, W_SND|W_REC, "Debug extra ACL info"),
271 DEBUG_WORD(BACKUP, W_REC, "Debug backup actions (levels 1-2)"),
272 DEBUG_WORD(BIND, W_CLI, "Debug socket bind actions"),
273 DEBUG_WORD(CHDIR, W_CLI|W_SRV, "Debug when the current directory changes"),
274 DEBUG_WORD(CONNECT, W_CLI, "Debug connection events (levels 1-2)"),
275 DEBUG_WORD(CMD, W_CLI, "Debug commands+options that are issued (levels 1-2)"),
276 DEBUG_WORD(DEL, W_REC, "Debug delete actions (levels 1-3)"),
277 DEBUG_WORD(DELTASUM, W_SND|W_REC, "Debug delta-transfer checksumming (levels 1-4)"),
278 DEBUG_WORD(DUP, W_REC, "Debug weeding of duplicate names"),
279 DEBUG_WORD(EXIT, W_CLI|W_SRV, "Debug exit events (levels 1-3)"),
280 DEBUG_WORD(FILTER, W_SND|W_REC, "Debug filter actions (levels 1-2)"),
281 DEBUG_WORD(FLIST, W_SND|W_REC, "Debug file-list operations (levels 1-4)"),
282 DEBUG_WORD(FUZZY, W_REC, "Debug fuzzy scoring (levels 1-2)"),
283 DEBUG_WORD(GENR, W_REC, "Debug generator functions"),
284 DEBUG_WORD(HASH, W_SND|W_REC, "Debug hashtable code"),
285 DEBUG_WORD(HLINK, W_SND|W_REC, "Debug hard-link actions (levels 1-3)"),
286 DEBUG_WORD(ICONV, W_CLI|W_SRV, "Debug iconv character conversions (levels 1-2)"),
287 DEBUG_WORD(IO, W_CLI|W_SRV, "Debug I/O routines (levels 1-4)"),
288 DEBUG_WORD(NSTR, W_CLI|W_SRV, "Debug negotiation strings"),
289 DEBUG_WORD(OWN, W_REC, "Debug ownership changes in users & groups (levels 1-2)"),
290 DEBUG_WORD(PROTO, W_CLI|W_SRV, "Debug protocol information"),
291 DEBUG_WORD(RECV, W_REC, "Debug receiver functions"),
292 DEBUG_WORD(SEND, W_SND, "Debug sender functions"),
293 DEBUG_WORD(TIME, W_REC, "Debug setting of modified times (levels 1-2)"),
294 { NULL, "--debug", 0, 0, 0, 0 }
297 static int verbose = 0;
298 static int do_stats = 0;
299 static int do_progress = 0;
300 static int daemon_opt; /* sets am_daemon after option error-reporting */
301 static int omit_dir_times = 0;
302 static int omit_link_times = 0;
303 static int F_option_cnt = 0;
304 static int modify_window_set;
305 static int itemize_changes = 0;
306 static int refused_delete, refused_archive_part, refused_compress;
307 static int refused_partial, refused_progress, refused_delete_before;
308 static int refused_delete_during;
309 static int refused_inplace, refused_no_iconv;
310 static BOOL usermap_via_chown, groupmap_via_chown;
312 static char *outbuf_mode;
314 static char *bwlimit_arg, *max_size_arg, *min_size_arg;
315 static char tmp_partialdir[] = ".~tmp~";
317 /** Local address to bind. As a character string because it's
318 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
319 * address, or a hostname. **/
322 static void output_item_help(struct output_struct *words);
324 /* This constructs a string that represents all the options set for either
325 * the --info or --debug setting, skipping any implied options (by -v, etc.).
326 * This is used both when conveying the user's options to the server, and
327 * when the help output wants to tell the user what options are implied. */
328 static char *make_output_option(struct output_struct *words, short *levels, uchar where)
330 char *str = words == info_words ? "--info=" : "--debug=";
331 int j, counts[MAX_OUT_LEVEL+1], pos, skipped = 0, len = 0, max = 0, lev = 0;
332 int word_count = words == info_words ? COUNT_INFO : COUNT_DEBUG;
335 memset(counts, 0, sizeof counts);
337 for (j = 0; words[j].name; j++) {
338 if (words[j].flag != j) {
339 rprintf(FERROR, "rsync: internal error on %s%s: %d != %d\n",
340 words == info_words ? "INFO_" : "DEBUG_",
341 words[j].name, words[j].flag, j);
342 exit_cleanup(RERR_UNSUPPORTED);
344 if (!(words[j].where & where))
346 if (words[j].priority == DEFAULT_PRIORITY) {
347 /* Implied items don't need to be mentioned. */
351 len += len ? 1 : strlen(str);
352 len += strlen(words[j].name);
353 len += levels[j] == 1 ? 0 : 1;
355 if (words[j].priority == HELP_PRIORITY)
356 continue; /* no abbreviating for help */
358 assert(levels[j] <= MAX_OUT_LEVEL);
359 if (++counts[levels[j]] > max) {
360 /* Determine which level has the most items. */
366 /* Sanity check the COUNT_* define against the length of the table. */
367 if (j != word_count) {
368 rprintf(FERROR, "rsync: internal error: %s is wrong! (%d != %d)\n",
369 words == info_words ? "COUNT_INFO" : "COUNT_DEBUG",
371 exit_cleanup(RERR_UNSUPPORTED);
378 if (!(buf = new_array(char, len)))
379 out_of_memory("make_output_option");
382 if (skipped || max < 5)
386 pos += snprintf(buf, len, "%sNONE", str);
388 pos += snprintf(buf, len, "%sALL", str);
390 pos += snprintf(buf, len, "%sALL%d", str, lev);
393 for (j = 0; words[j].name && pos < len; j++) {
394 if (words[j].priority == DEFAULT_PRIORITY || levels[j] == lev || !(words[j].where & where))
399 pos += strlcpy(buf+pos, str, len-pos);
401 pos += strlcpy(buf+pos, words[j].name, len-pos);
402 /* Level 1 is implied by the name alone. */
403 if (levels[j] != 1 && pos < len)
404 buf[pos++] = '0' + levels[j];
412 static void parse_output_words(struct output_struct *words, short *levels,
413 const char *str, uchar priority)
418 for ( ; str; str = s) {
419 if ((s = strchr(str, ',')) != NULL)
426 while (len && isDigit(str+len-1))
429 lev = isDigit(str+len) ? atoi(str+len) : 1;
430 if (lev > MAX_OUT_LEVEL)
432 if (len == 4 && strncasecmp(str, "help", 4) == 0) {
433 output_item_help(words);
436 if (len == 4 && strncasecmp(str, "none", 4) == 0)
438 else if (len == 3 && strncasecmp(str, "all", 3) == 0)
440 for (j = 0; words[j].name; j++) {
442 || (len == words[j].namelen && strncasecmp(str, words[j].name, len) == 0)) {
443 if (priority >= words[j].priority) {
444 words[j].priority = priority;
451 if (len && !words[j].name && !am_server) {
452 rprintf(FERROR, "Unknown %s item: \"%.*s\"\n",
453 words[j].help, len, str);
454 exit_cleanup(RERR_SYNTAX);
459 /* Tell the user what all the info or debug flags mean. */
460 static void output_item_help(struct output_struct *words)
462 short *levels = words == info_words ? info_levels : debug_levels;
463 const char **verbosity = words == info_words ? info_verbosity : debug_verbosity;
464 char buf[128], *opt, *fmt = "%-10s %s\n";
467 reset_output_levels();
469 rprintf(FINFO, "Use OPT or OPT1 for level 1 output, OPT2 for level 2, etc.; OPT0 silences.\n");
470 rprintf(FINFO, "\n");
471 for (j = 0; words[j].name; j++)
472 rprintf(FINFO, fmt, words[j].name, words[j].help);
473 rprintf(FINFO, "\n");
475 snprintf(buf, sizeof buf, "Set all %s options (e.g. all%d)",
476 words[j].help, MAX_OUT_LEVEL);
477 rprintf(FINFO, fmt, "ALL", buf);
479 snprintf(buf, sizeof buf, "Silence all %s options (same as all0)",
481 rprintf(FINFO, fmt, "NONE", buf);
483 rprintf(FINFO, fmt, "HELP", "Output this help message");
484 rprintf(FINFO, "\n");
485 rprintf(FINFO, "Options added for each increase in verbose level:\n");
487 for (j = 1; j <= MAX_VERBOSITY; j++) {
488 parse_output_words(words, levels, verbosity[j], HELP_PRIORITY);
489 opt = make_output_option(words, levels, W_CLI|W_SRV|W_SND|W_REC);
491 rprintf(FINFO, "%d) %s\n", j, strchr(opt, '=')+1);
494 reset_output_levels();
498 /* The --verbose option now sets info+debug flags. */
499 static void set_output_verbosity(int level, uchar priority)
503 if (level > MAX_VERBOSITY)
504 level = MAX_VERBOSITY;
506 for (j = 1; j <= level; j++) {
507 parse_output_words(info_words, info_levels, info_verbosity[j], priority);
508 parse_output_words(debug_words, debug_levels, debug_verbosity[j], priority);
512 /* Limit the info+debug flag levels given a verbose-option level limit. */
513 void limit_output_verbosity(int level)
515 short info_limits[COUNT_INFO], debug_limits[COUNT_DEBUG];
518 if (level > MAX_VERBOSITY)
521 memset(info_limits, 0, sizeof info_limits);
522 memset(debug_limits, 0, sizeof debug_limits);
524 /* Compute the level limits in the above arrays. */
525 for (j = 1; j <= level; j++) {
526 parse_output_words(info_words, info_limits, info_verbosity[j], LIMIT_PRIORITY);
527 parse_output_words(debug_words, debug_limits, debug_verbosity[j], LIMIT_PRIORITY);
530 for (j = 0; j < COUNT_INFO; j++) {
531 if (info_levels[j] > info_limits[j])
532 info_levels[j] = info_limits[j];
535 for (j = 0; j < COUNT_DEBUG; j++) {
536 if (debug_levels[j] > debug_limits[j])
537 debug_levels[j] = debug_limits[j];
541 void reset_output_levels(void)
545 memset(info_levels, 0, sizeof info_levels);
546 memset(debug_levels, 0, sizeof debug_levels);
548 for (j = 0; j < COUNT_INFO; j++)
549 info_words[j].priority = DEFAULT_PRIORITY;
551 for (j = 0; j < COUNT_DEBUG; j++)
552 debug_words[j].priority = DEFAULT_PRIORITY;
555 void negate_output_levels(void)
559 for (j = 0; j < COUNT_INFO; j++)
560 info_levels[j] *= -1;
562 for (j = 0; j < COUNT_DEBUG; j++)
563 debug_levels[j] *= -1;
566 static char *istring(const char *fmt, int val)
569 if (asprintf(&str, fmt, val) < 0)
570 out_of_memory("istring");
574 static void print_capabilities(enum logcode f)
576 STRUCT_STAT *dumstat;
579 char *capabilities[] = {
580 istring("%d-bit files", (int)(sizeof (OFF_T) * 8)),
581 istring("%d-bit inums", (int)(sizeof dumstat->st_ino * 8)), /* Don't check ino_t! */
582 istring("%d-bit timestamps", (int)(sizeof (time_t) * 8)),
583 istring("%d-bit long ints", (int)(sizeof (int64) * 8)),
585 #ifndef HAVE_SOCKETPAIR
590 #ifndef SUPPORT_HARD_LINKS
595 #ifndef SUPPORT_LINKS
607 #ifndef HAVE_FTRUNCATE
612 #ifndef HAVE_FTRUNCATE
622 #ifndef SUPPORT_XATTRS
632 #ifndef CAN_SET_SYMLINK_TIMES
637 #ifndef SUPPORT_PREALLOCATION
650 for (line_len = 0, j = 0; ; j++) {
651 char *cap = capabilities[j];
652 int cap_len = cap ? strlen(cap) : 1000;
653 int need_comma = cap && capabilities[j+1] != NULL ? 1 : 0;
654 if (line_len + 1 + cap_len + need_comma >= (int)sizeof line_buf) {
655 rprintf(f, " %s\n", line_buf);
660 line_len += snprintf(line_buf+line_len, sizeof line_buf - line_len, " %s%s", cap, need_comma ? "," : "");
664 static void print_rsync_version(enum logcode f)
666 char tmpbuf[256], *subprotocol = "";
668 #if SUBPROTOCOL_VERSION != 0
669 subprotocol = istring(".PR%d", SUBPROTOCOL_VERSION);
671 rprintf(f, "%s version %s protocol version %d%s\n",
672 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION, subprotocol);
674 rprintf(f, "Copyright (C) 1996-" LATEST_YEAR " by Andrew Tridgell, Wayne Davison, and others.\n");
675 rprintf(f, "Web site: http://rsync.samba.org/\n");
677 rprintf(f, "Capabilities:\n");
678 print_capabilities(f);
680 rprintf(f, "Checksum list:\n");
681 get_default_nno_list(&valid_checksums, tmpbuf, sizeof tmpbuf, '(');
682 rprintf(f, " %s\n", tmpbuf);
684 rprintf(f, "Compress list:\n");
685 get_default_nno_list(&valid_compressions, tmpbuf, sizeof tmpbuf, '(');
686 rprintf(f, " %s\n", tmpbuf);
688 #ifdef MAINTAINER_MODE
689 rprintf(f, "Panic Action: \"%s\"\n", get_panic_action());
693 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
695 if (sizeof (int64) != SIZEOF_INT64) {
697 "WARNING: size mismatch in SIZEOF_INT64 define (%d != %d)\n",
698 (int) SIZEOF_INT64, (int) sizeof (int64));
702 rprintf(f,"rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n");
703 rprintf(f,"are welcome to redistribute it under certain conditions. See the GNU\n");
704 rprintf(f,"General Public Licence for details.\n");
708 void usage(enum logcode F)
710 print_rsync_version(F);
713 rprintf(F,"rsync is a file transfer program capable of efficient remote update\n");
714 rprintf(F,"via a fast differencing algorithm.\n");
717 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... DEST\n");
718 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
719 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
720 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
721 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC [DEST]\n");
722 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
723 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
724 rprintf(F,"The ':' usages connect via remote shell, while '::' & 'rsync://' usages connect\n");
725 rprintf(F,"to an rsync daemon, and require SRC or DEST to start with a module name.\n");
727 rprintf(F,"Options\n");
728 #include "help-rsync.h"
730 rprintf(F,"Use \"rsync --daemon --help\" to see the daemon-mode command-line options.\n");
731 rprintf(F,"Please see the rsync(1) and rsyncd.conf(5) man pages for full documentation.\n");
732 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
735 enum {OPT_SERVER = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
736 OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP,
737 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD,
738 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
739 OPT_NO_D, OPT_APPEND, OPT_NO_ICONV, OPT_INFO, OPT_DEBUG,
740 OPT_USERMAP, OPT_GROUPMAP, OPT_CHOWN, OPT_BWLIMIT,
741 OPT_OLD_COMPRESS, OPT_NEW_COMPRESS, OPT_NO_COMPRESS,
742 OPT_REFUSED_BASE = 9000};
744 static struct poptOption long_options[] = {
745 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
746 {"help", 0, POPT_ARG_NONE, 0, OPT_HELP, 0, 0 },
747 {"version", 'V', POPT_ARG_NONE, 0, 'V', 0, 0},
748 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
749 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
750 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
751 {"info", 0, POPT_ARG_STRING, 0, OPT_INFO, 0, 0 },
752 {"debug", 0, POPT_ARG_STRING, 0, OPT_DEBUG, 0, 0 },
753 {"msgs2stderr", 0, POPT_ARG_NONE, &msgs2stderr, 0, 0, 0 },
754 {"no-msgs2stderr", 0, POPT_ARG_VAL, &msgs2stderr, 0, 0, 0 },
755 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
756 {"motd", 0, POPT_ARG_VAL, &output_motd, 1, 0, 0 },
757 {"no-motd", 0, POPT_ARG_VAL, &output_motd, 0, 0, 0 },
758 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
759 {"human-readable", 'h', POPT_ARG_NONE, 0, 'h', 0, 0},
760 {"no-human-readable",0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
761 {"no-h", 0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
762 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
763 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
764 {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 },
765 {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
766 {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
767 {"inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
768 {"no-inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
769 {"i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
770 {"no-i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
771 {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
772 {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
773 {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
774 {"old-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
775 {"old-d", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
776 {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
777 {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
778 {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
779 {"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 },
780 {"acls", 'A', POPT_ARG_NONE, 0, 'A', 0, 0 },
781 {"no-acls", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
782 {"no-A", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
783 {"xattrs", 'X', POPT_ARG_NONE, 0, 'X', 0, 0 },
784 {"no-xattrs", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
785 {"no-X", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
786 {"times", 't', POPT_ARG_VAL, &preserve_times, 1, 0, 0 },
787 {"no-times", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
788 {"no-t", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
789 {"atimes", 'U', POPT_ARG_NONE, 0, 'U', 0, 0 },
790 {"no-atimes", 0, POPT_ARG_VAL, &preserve_atimes, 0, 0, 0 },
791 {"no-U", 0, POPT_ARG_VAL, &preserve_atimes, 0, 0, 0 },
792 {"open-noatime", 0, POPT_ARG_VAL, &open_noatime, 1, 0, 0 },
793 {"no-open-noatime", 0, POPT_ARG_VAL, &open_noatime, 0, 0, 0 },
794 {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 1, 0, 0 },
795 {"no-omit-dir-times",0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
796 {"no-O", 0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
797 {"omit-link-times", 'J', POPT_ARG_VAL, &omit_link_times, 1, 0, 0 },
798 {"no-omit-link-times",0, POPT_ARG_VAL, &omit_link_times, 0, 0, 0 },
799 {"no-J", 0, POPT_ARG_VAL, &omit_link_times, 0, 0, 0 },
800 {"modify-window", '@', POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
801 {"super", 0, POPT_ARG_VAL, &am_root, 2, 0, 0 },
802 {"no-super", 0, POPT_ARG_VAL, &am_root, 0, 0, 0 },
803 {"fake-super", 0, POPT_ARG_VAL, &am_root, -1, 0, 0 },
804 {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 },
805 {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
806 {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
807 {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 },
808 {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
809 {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
810 {0, 'D', POPT_ARG_NONE, 0, 'D', 0, 0 },
811 {"no-D", 0, POPT_ARG_NONE, 0, OPT_NO_D, 0, 0 },
812 {"devices", 0, POPT_ARG_VAL, &preserve_devices, 1, 0, 0 },
813 {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
814 {"write-devices", 0, POPT_ARG_VAL, &write_devices, 1, 0, 0 },
815 {"no-write-devices", 0, POPT_ARG_VAL, &write_devices, 0, 0, 0 },
816 {"specials", 0, POPT_ARG_VAL, &preserve_specials, 1, 0, 0 },
817 {"no-specials", 0, POPT_ARG_VAL, &preserve_specials, 0, 0, 0 },
818 {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 },
819 {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
820 {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
821 {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 },
822 {"copy-unsafe-links",0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 },
823 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
824 {"munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 1, 0, 0 },
825 {"no-munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 0, 0, 0 },
826 {"copy-dirlinks", 'k', POPT_ARG_NONE, ©_dirlinks, 0, 0, 0 },
827 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
828 {"hard-links", 'H', POPT_ARG_NONE, 0, 'H', 0, 0 },
829 {"no-hard-links", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
830 {"no-H", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
831 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
832 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
833 {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
834 {"implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
835 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
836 {"i-d", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
837 {"no-i-d", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
838 {"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 },
839 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
840 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
841 {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 },
842 {"no-one-file-system",0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
843 {"no-x", 0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
844 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
845 {"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
846 {"ignore-non-existing",0,POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
847 {"ignore-existing", 0, POPT_ARG_NONE, &ignore_existing, 0, 0, 0 },
848 {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
849 {"min-size", 0, POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 },
850 {"sparse", 'S', POPT_ARG_VAL, &sparse_files, 1, 0, 0 },
851 {"no-sparse", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
852 {"no-S", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
853 {"preallocate", 0, POPT_ARG_NONE, &preallocate_files, 0, 0, 0},
854 {"inplace", 0, POPT_ARG_VAL, &inplace, 1, 0, 0 },
855 {"no-inplace", 0, POPT_ARG_VAL, &inplace, 0, 0, 0 },
856 {"append", 0, POPT_ARG_NONE, 0, OPT_APPEND, 0, 0 },
857 {"append-verify", 0, POPT_ARG_VAL, &append_mode, 2, 0, 0 },
858 {"no-append", 0, POPT_ARG_VAL, &append_mode, 0, 0, 0 },
859 {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
860 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
861 {"delete-before", 0, POPT_ARG_NONE, &delete_before, 0, 0, 0 },
862 {"delete-during", 0, POPT_ARG_VAL, &delete_during, 1, 0, 0 },
863 {"delete-delay", 0, POPT_ARG_VAL, &delete_during, 2, 0, 0 },
864 {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
865 {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
866 {"delete-missing-args",0,POPT_BIT_SET, &missing_args, 2, 0, 0 },
867 {"ignore-missing-args",0,POPT_BIT_SET, &missing_args, 1, 0, 0 },
868 {"remove-sent-files",0, POPT_ARG_VAL, &remove_source_files, 2, 0, 0 }, /* deprecated */
869 {"remove-source-files",0,POPT_ARG_VAL, &remove_source_files, 1, 0, 0 },
870 {"force", 0, POPT_ARG_VAL, &force_delete, 1, 0, 0 },
871 {"no-force", 0, POPT_ARG_VAL, &force_delete, 0, 0, 0 },
872 {"ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 1, 0, 0 },
873 {"no-ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 0, 0, 0 },
874 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
875 {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
876 {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
877 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
878 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
879 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
880 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
881 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
882 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
883 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
884 {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
885 {"checksum", 'c', POPT_ARG_VAL, &always_checksum, 1, 0, 0 },
886 {"no-checksum", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
887 {"no-c", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
888 {"checksum-choice", 0, POPT_ARG_STRING, &checksum_choice, 0, 0, 0 },
889 {"cc", 0, POPT_ARG_STRING, &checksum_choice, 0, 0, 0 },
890 {"block-size", 'B', POPT_ARG_LONG, &block_size, 0, 0, 0 },
891 {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
892 {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
893 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
894 {"fuzzy", 'y', POPT_ARG_NONE, 0, 'y', 0, 0 },
895 {"no-fuzzy", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
896 {"no-y", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
897 {"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 },
898 {"old-compress", 0, POPT_ARG_NONE, 0, OPT_OLD_COMPRESS, 0, 0 },
899 {"new-compress", 0, POPT_ARG_NONE, 0, OPT_NEW_COMPRESS, 0, 0 },
900 {"no-compress", 0, POPT_ARG_NONE, 0, OPT_NO_COMPRESS, 0, 0 },
901 {"no-z", 0, POPT_ARG_NONE, 0, OPT_NO_COMPRESS, 0, 0 },
902 {"compress-choice", 0, POPT_ARG_STRING, &compress_choice, 0, 0, 0 },
903 {"zc", 0, POPT_ARG_STRING, &compress_choice, 0, 0, 0 },
904 {"skip-compress", 0, POPT_ARG_STRING, &skip_compress, 0, 0, 0 },
905 {"compress-level", 0, POPT_ARG_INT, &do_compression_level, 0, 0, 0 },
906 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
907 {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 },
908 {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 },
909 {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 },
910 {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 },
911 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
912 {"delay-updates", 0, POPT_ARG_VAL, &delay_updates, 1, 0, 0 },
913 {"no-delay-updates", 0, POPT_ARG_VAL, &delay_updates, 0, 0, 0 },
914 {"prune-empty-dirs",'m', POPT_ARG_VAL, &prune_empty_dirs, 1, 0, 0 },
915 {"no-prune-empty-dirs",0,POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
916 {"no-m", 0, POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
917 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
918 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
919 {"out-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 },
920 {"log-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 }, /* DEPRECATED */
921 {"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 },
922 {"no-itemize-changes",0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
923 {"no-i", 0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
924 {"bwlimit", 0, POPT_ARG_STRING, &bwlimit_arg, OPT_BWLIMIT, 0, 0 },
925 {"no-bwlimit", 0, POPT_ARG_VAL, &bwlimit, 0, 0, 0 },
926 {"backup", 'b', POPT_ARG_VAL, &make_backups, 1, 0, 0 },
927 {"no-backup", 0, POPT_ARG_VAL, &make_backups, 0, 0, 0 },
928 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
929 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
930 {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
931 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
932 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
933 {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
934 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
935 {"from0", '0', POPT_ARG_VAL, &eol_nulls, 1, 0, 0},
936 {"no-from0", 0, POPT_ARG_VAL, &eol_nulls, 0, 0, 0},
937 {"protect-args", 's', POPT_ARG_VAL, &protect_args, 1, 0, 0},
938 {"no-protect-args", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
939 {"no-s", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
940 {"numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 1, 0, 0 },
941 {"no-numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 0, 0, 0 },
942 {"usermap", 0, POPT_ARG_STRING, 0, OPT_USERMAP, 0, 0 },
943 {"groupmap", 0, POPT_ARG_STRING, 0, OPT_GROUPMAP, 0, 0 },
944 {"chown", 0, POPT_ARG_STRING, 0, OPT_CHOWN, 0, 0 },
945 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
946 {"no-timeout", 0, POPT_ARG_VAL, &io_timeout, 0, 0, 0 },
947 {"contimeout", 0, POPT_ARG_INT, &connect_timeout, 0, 0, 0 },
948 {"no-contimeout", 0, POPT_ARG_VAL, &connect_timeout, 0, 0, 0 },
949 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
950 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
951 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
952 {"iconv", 0, POPT_ARG_STRING, &iconv_opt, 0, 0, 0 },
953 {"no-iconv", 0, POPT_ARG_NONE, 0, OPT_NO_ICONV, 0, 0 },
954 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
955 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
956 {"8-bit-output", '8', POPT_ARG_VAL, &allow_8bit_chars, 1, 0, 0 },
957 {"no-8-bit-output", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
958 {"no-8", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
959 {"qsort", 0, POPT_ARG_NONE, &use_qsort, 0, 0, 0 },
960 {"copy-as", 0, POPT_ARG_STRING, ©_as, 0, 0, 0 },
961 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
962 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
963 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
964 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
965 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
966 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
967 {"outbuf", 0, POPT_ARG_STRING, &outbuf_mode, 0, 0, 0 },
968 {"remote-option", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
969 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
970 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
971 {"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 },
972 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
973 /* All the following options switch us into daemon-mode option-parsing. */
974 {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
975 {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
976 {"dparam", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
977 {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
978 {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
982 static void daemon_usage(enum logcode F)
984 print_rsync_version(F);
987 rprintf(F,"Usage: rsync --daemon [OPTION]...\n");
988 #include "help-rsyncd.h"
990 rprintf(F,"If you were not trying to invoke rsync as a daemon, avoid using any of the\n");
991 rprintf(F,"daemon-specific rsync options. See also the rsyncd.conf(5) man page.\n");
994 static struct poptOption long_daemon_options[] = {
995 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
996 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
997 {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
998 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
999 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
1000 {"dparam", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
1001 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
1002 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
1003 {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
1004 {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
1005 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
1006 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
1007 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
1008 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
1009 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
1010 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
1011 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
1012 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
1013 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
1014 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
1015 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
1020 static char err_buf[200];
1024 * Store the option error message, if any, so that we can log the
1025 * connection attempt (which requires parsing the options), and then
1026 * show the error later on.
1028 void option_error(void)
1031 strlcpy(err_buf, "Error parsing options: option may "
1032 "be supported on client but not on server?\n",
1036 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
1037 io_flush(MSG_FLUSH);
1042 static void parse_one_refuse_match(int negated, const char *ref, const struct poptOption *list_end)
1044 struct poptOption *op;
1046 int is_wild = strpbrk(ref, "*?[") != NULL;
1047 int found_match = 0;
1049 shortName[1] = '\0';
1051 if (strcmp("a", ref) == 0 || strcmp("archive", ref) == 0) {
1052 ref = "[ardlptgoD]";
1056 for (op = long_options; op != list_end; op++) {
1057 *shortName = op->shortName;
1058 if ((op->longName && wildmatch(ref, op->longName))
1059 || (*shortName && wildmatch(ref, shortName))) {
1060 if (op->descrip[1] == '*')
1061 op->descrip = negated ? "a*" : "r*";
1063 op->descrip = negated ? "a=" : "r=";
1071 rprintf(FLOG, "No match for refuse-options string \"%s\"\n", ref);
1076 * Tweak the option table to disable all options that the rsyncd.conf
1077 * file has told us to refuse.
1079 static void set_refuse_options(void)
1081 struct poptOption *op, *list_end = NULL;
1082 char *cp, *ref = lp_refuse_options(module_id);
1091 /* We abuse the descrip field in poptOption to make it easy to flag which options
1092 * are refused (since we don't use it otherwise). Start by marking all options
1093 * as "a"ccepted with a few options also marked as non-wild. */
1094 for (op = long_options; ; op++) {
1095 const char *longName = op->longName ? op->longName : "";
1096 if (!op->longName && !op->shortName) {
1101 || op->shortName == 'e' /* Required for compatibility flags */
1102 || op->shortName == '0' /* --from0 just modifies --files-from, so refuse that instead (or not) */
1103 || op->shortName == 's' /* --protect-args is always OK */
1104 || op->shortName == 'n' /* --dry-run is always OK */
1105 || strcmp("iconv", longName) == 0
1106 || strcmp("no-iconv", longName) == 0
1107 || strcmp("checksum-seed", longName) == 0
1108 || strcmp("write-devices", longName) == 0 /* disable wild-match (it gets refused below) */
1109 || strcmp("log-format", longName) == 0 /* aka out-format (NOT log-file-format) */
1110 || strcmp("sender", longName) == 0
1111 || strcmp("server", longName) == 0)
1112 op->descrip = "a="; /* exact-match only */
1114 op->descrip = "a*"; /* wild-card-able */
1116 assert(list_end != NULL);
1118 if (am_daemon) { /* Refused by default, but can be accepted via a negated exact match. */
1119 parse_one_refuse_match(0, "write-devices", list_end);
1123 while (*ref == ' ') ref++;
1126 if ((cp = strchr(ref, ' ')) != NULL)
1128 negated = *ref == '!';
1129 if (negated && ref[1])
1131 parse_one_refuse_match(negated, ref, list_end);
1140 if (!*lp_charset(module_id))
1141 parse_one_refuse_match(0, "iconv", list_end);
1143 parse_one_refuse_match(0, "log-file*", list_end);
1146 #ifndef SUPPORT_HARD_LINKS
1147 parse_one_refuse_match(0, "link-dest", list_end);
1149 #ifndef ICONV_OPTION
1150 parse_one_refuse_match(0, "iconv", list_end);
1152 #ifndef HAVE_SETVBUF
1153 parse_one_refuse_match(0, "outbuf", list_end);
1156 /* Now we use the descrip values to actually mark the options for refusal. */
1157 for (op = long_options; op != list_end; op++) {
1158 int refused = op->descrip[0] == 'r';
1162 if (op->argInfo == POPT_ARG_VAL)
1163 op->argInfo = POPT_ARG_NONE;
1164 op->val = (op - long_options) + OPT_REFUSED_BASE;
1165 /* The following flags are set to let us easily check an implied option later in the code. */
1166 switch (op->shortName) {
1167 case 'r': case 'd': case 'l': case 'p':
1168 case 't': case 'g': case 'o': case 'D':
1169 refused_archive_part = op->val;
1172 refused_compress = op->val;
1175 if (strcmp("delete", op->longName) == 0)
1176 refused_delete = op->val;
1177 else if (strcmp("delete-before", op->longName) == 0)
1178 refused_delete_before = op->val;
1179 else if (strcmp("delete-during", op->longName) == 0)
1180 refused_delete_during = op->val;
1181 else if (strcmp("partial", op->longName) == 0)
1182 refused_partial = op->val;
1183 else if (strcmp("progress", op->longName) == 0)
1184 refused_progress = op->val;
1185 else if (strcmp("inplace", op->longName) == 0)
1186 refused_inplace = op->val;
1187 else if (strcmp("no-iconv", op->longName) == 0)
1188 refused_no_iconv = op->val;
1195 static int count_args(const char **argv)
1200 while (argv[i] != NULL)
1208 static OFF_T parse_size_arg(char **size_arg, char def_suf)
1210 int reps, mult, make_compatible = 0;
1214 for (arg = *size_arg; isDigit(arg); arg++) {}
1216 for (arg++; isDigit(arg); arg++) {}
1217 switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) {
1233 if (*arg == 'b' || *arg == 'B')
1234 mult = 1000, make_compatible = 1, arg++;
1235 else if (!*arg || *arg == '+' || *arg == '-')
1237 else if (strncasecmp(arg, "ib", 2) == 0)
1238 mult = 1024, arg += 2;
1243 size *= atof(*size_arg);
1244 if ((*arg == '+' || *arg == '-') && arg[1] == '1')
1245 size += atoi(arg), make_compatible = 1, arg += 2;
1248 if (size > 0 && make_compatible && def_suf == 'b') {
1249 /* We convert this manually because we may need %lld precision,
1250 * and that's not a portable sprintf() escape. */
1251 char buf[128], *s = buf + sizeof buf - 1;
1255 *--s = (char)(num % 10) + '0';
1258 if (!(*size_arg = strdup(s)))
1259 out_of_memory("parse_size_arg");
1265 static void create_refuse_error(int which)
1269 msg = "The server is configured to refuse";
1271 msg = "The server does not support";
1273 msg = "This rsync does not support";
1275 /* The "which" value is the index + OPT_REFUSED_BASE. */
1276 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
1277 int n = snprintf(err_buf, sizeof err_buf, "%s --%s\n", msg, op->longName) - 1;
1279 snprintf(err_buf + n, sizeof err_buf - n, " (-%c)\n", op->shortName);
1282 /* This is used to make sure that --daemon & --server cannot be aliased to
1283 * something else. These options have always disabled popt aliases for the
1284 * parsing of a daemon or server command-line, but we have to make sure that
1285 * these options cannot vanish so that the alias disabling can take effect. */
1286 static void popt_unalias(poptContext con, const char *opt)
1288 struct poptAlias unalias;
1290 memset(&unalias, 0, sizeof unalias);
1292 unalias.longName = opt + 2; /* point past the leading "--" */
1294 unalias.argv = new_array0(const char*, 2);
1295 unalias.argv[0] = strdup(opt);
1297 poptAddAlias(con, unalias, 0);
1300 char *alt_dest_name(int type)
1303 type = alt_dest_type;
1307 return "--compare-dest";
1309 return "--copy-dest";
1311 return "--link-dest";
1318 * Process command line arguments. Called on both local and remote.
1320 * @retval 1 if all options are OK; with globals set to appropriate
1323 * @retval 0 on error, with err_buf containing an explanation
1325 int parse_arguments(int *argc_p, const char ***argv_p)
1327 static poptContext pc;
1328 const char *arg, **argv = *argv_p;
1330 int opt, want_dest_type;
1331 int orig_protect_args = protect_args;
1334 strlcpy(err_buf, "argc is zero!\n", sizeof err_buf);
1338 set_refuse_options();
1341 if (!am_daemon && protect_args <= 0 && (arg = getenv("RSYNC_ICONV")) != NULL && *arg)
1342 iconv_opt = strdup(arg);
1345 /* TODO: Call poptReadDefaultConfig; handle errors. */
1347 /* The context leaks in case of an error, but if there's a
1348 * problem we always exit anyhow. */
1350 poptFreeContext(pc);
1351 pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
1353 poptReadDefaultConfig(pc, 0);
1354 popt_unalias(pc, "--daemon");
1355 popt_unalias(pc, "--server");
1358 while ((opt = poptGetNextOpt(pc)) != -1) {
1359 /* most options are handled automatically by popt;
1360 * only special cases are returned and listed here. */
1364 print_rsync_version(FINFO);
1369 /* Disable popt aliases on the server side and
1370 * then start parsing the options again. */
1371 poptFreeContext(pc);
1372 pc = poptGetContext(RSYNC_NAME, argc, argv,
1384 exit_cleanup(RERR_SYNTAX);
1392 "Attempt to hack rsync thwarted!\n",
1400 poptFreeContext(pc);
1401 pc = poptGetContext(RSYNC_NAME, argc, argv,
1402 long_daemon_options, 0);
1403 while ((opt = poptGetNextOpt(pc)) != -1) {
1407 daemon_usage(FINFO);
1411 arg = poptGetOptArg(pc);
1412 if (!strchr(arg, '=')) {
1414 "--dparam value is missing an '=': %s\n",
1418 cpp = EXPAND_ITEM_LIST(&dparam_list, char *, 4);
1428 "rsync: %s: %s (in daemon mode)\n",
1429 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1435 if (dparam_list.count && !set_dparams(1))
1436 exit_cleanup(RERR_SYNTAX);
1438 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
1439 snprintf(err_buf, sizeof err_buf,
1440 "the --temp-dir path is WAY too long.\n");
1445 rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
1448 "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
1449 exit_cleanup(RERR_SYNTAX);
1452 *argv_p = argv = poptGetArgs(pc);
1453 *argc_p = argc = count_args(argv);
1459 case OPT_MODIFY_WINDOW:
1460 /* The value has already been set by popt, but
1461 * we need to remember that we're using a
1462 * non-default setting. */
1463 modify_window_set = 1;
1467 parse_filter_str(&filter_list, poptGetOptArg(pc),
1468 rule_template(0), 0);
1472 parse_filter_str(&filter_list, poptGetOptArg(pc),
1473 rule_template(0), XFLG_OLD_PREFIXES);
1477 parse_filter_str(&filter_list, poptGetOptArg(pc),
1478 rule_template(FILTRULE_INCLUDE), XFLG_OLD_PREFIXES);
1481 case OPT_EXCLUDE_FROM:
1482 case OPT_INCLUDE_FROM:
1483 arg = poptGetOptArg(pc);
1485 arg = sanitize_path(NULL, arg, NULL, 0, SP_DEFAULT);
1486 if (daemon_filter_list.head) {
1488 char *cp = strdup(arg);
1490 out_of_memory("parse_arguments");
1494 char *dir = cp + (*cp == '/' ? module_dirlen : 0);
1495 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1496 rej = check_filter(&daemon_filter_list, FLOG, dir, 0) < 0;
1500 goto options_rejected;
1502 parse_filter_file(&filter_list, arg,
1503 rule_template(opt == OPT_INCLUDE_FROM ? FILTRULE_INCLUDE : 0),
1504 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
1508 if (refused_archive_part) {
1509 create_refuse_error(refused_archive_part);
1512 if (!recurse) /* preserve recurse == 2 */
1514 #ifdef SUPPORT_LINKS
1521 preserve_devices = 1;
1522 preserve_specials = 1;
1526 preserve_devices = preserve_specials = 1;
1530 preserve_devices = preserve_specials = 0;
1538 preserve_hard_links++;
1546 if (++preserve_atimes > 1)
1567 switch (++F_option_cnt) {
1569 parse_filter_str(&filter_list,": /.rsync-filter",rule_template(0),0);
1572 parse_filter_str(&filter_list,"- .rsync-filter",rule_template(0),0);
1578 if (refused_partial || refused_progress) {
1579 create_refuse_error(refused_partial
1580 ? refused_partial : refused_progress);
1591 case OPT_OLD_COMPRESS:
1592 compress_choice = "zlib";
1595 case OPT_NEW_COMPRESS:
1596 compress_choice = "zlibx";
1599 case OPT_NO_COMPRESS:
1601 compress_choice = NULL;
1605 arg = poptGetOptArg(pc);
1607 snprintf(err_buf, sizeof err_buf,
1608 "Remote option must start with a dash: %s\n", arg);
1611 if (remote_option_cnt+2 >= remote_option_alloc) {
1612 remote_option_alloc += 16;
1613 remote_options = realloc_array(remote_options,
1614 const char *, remote_option_alloc);
1615 if (!remote_options)
1616 out_of_memory("parse_arguments");
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 */
1646 if ((max_size = parse_size_arg(&max_size_arg, 'b')) < 0) {
1647 snprintf(err_buf, sizeof err_buf,
1648 "--max-size value is invalid: %s\n",
1655 if ((min_size = parse_size_arg(&min_size_arg, 'b')) < 0) {
1656 snprintf(err_buf, sizeof err_buf,
1657 "--min-size value is invalid: %s\n",
1665 OFF_T limit = parse_size_arg(&bwlimit_arg, 'K');
1667 snprintf(err_buf, sizeof err_buf,
1668 "--bwlimit value is invalid: %s\n", bwlimit_arg);
1671 bwlimit = (limit + 512) / 1024;
1672 if (limit && !bwlimit) {
1673 snprintf(err_buf, sizeof err_buf,
1674 "--bwlimit value is too small: %s\n", bwlimit_arg);
1688 want_dest_type = LINK_DEST;
1692 want_dest_type = COPY_DEST;
1695 case OPT_COMPARE_DEST:
1696 want_dest_type = COMPARE_DEST;
1699 if (alt_dest_type && alt_dest_type != want_dest_type) {
1700 snprintf(err_buf, sizeof err_buf,
1701 "ERROR: the %s option conflicts with the %s option\n",
1702 alt_dest_name(want_dest_type), alt_dest_name(0));
1705 alt_dest_type = want_dest_type;
1707 if (basis_dir_cnt >= MAX_BASIS_DIRS) {
1708 snprintf(err_buf, sizeof err_buf,
1709 "ERROR: at most %d %s args may be specified\n",
1710 MAX_BASIS_DIRS, alt_dest_name(0));
1713 /* We defer sanitizing this arg until we know what
1714 * our destination directory is going to be. */
1715 basis_dir[basis_dir_cnt++] = (char *)poptGetOptArg(pc);
1719 arg = poptGetOptArg(pc);
1720 if (!parse_chmod(arg, &chmod_modes)) {
1721 snprintf(err_buf, sizeof err_buf,
1722 "Invalid argument passed to --chmod (%s)\n",
1729 arg = poptGetOptArg(pc);
1730 parse_output_words(info_words, info_levels, arg, USER_PRIORITY);
1734 arg = poptGetOptArg(pc);
1735 parse_output_words(debug_words, debug_levels, arg, USER_PRIORITY);
1740 if (usermap_via_chown) {
1741 snprintf(err_buf, sizeof err_buf,
1742 "--usermap conflicts with prior --chown.\n");
1745 snprintf(err_buf, sizeof err_buf,
1746 "You can only specify --usermap once.\n");
1749 usermap = (char *)poptGetOptArg(pc);
1750 usermap_via_chown = False;
1755 if (groupmap_via_chown) {
1756 snprintf(err_buf, sizeof err_buf,
1757 "--groupmap conflicts with prior --chown.\n");
1760 snprintf(err_buf, sizeof err_buf,
1761 "You can only specify --groupmap once.\n");
1764 groupmap = (char *)poptGetOptArg(pc);
1765 groupmap_via_chown = False;
1769 const char *chown = poptGetOptArg(pc);
1771 if ((arg = strchr(chown, ':')) != NULL)
1772 len = arg++ - chown;
1774 len = strlen(chown);
1777 if (!usermap_via_chown) {
1778 snprintf(err_buf, sizeof err_buf,
1779 "--chown conflicts with prior --usermap.\n");
1782 snprintf(err_buf, sizeof err_buf,
1783 "You can only specify a user-affecting --chown once.\n");
1786 if (asprintf(&usermap, "*:%.*s", len, chown) < 0)
1787 out_of_memory("parse_arguments");
1788 usermap_via_chown = True;
1792 if (!groupmap_via_chown) {
1793 snprintf(err_buf, sizeof err_buf,
1794 "--chown conflicts with prior --groupmap.\n");
1797 snprintf(err_buf, sizeof err_buf,
1798 "You can only specify a group-affecting --chown once.\n");
1801 if (asprintf(&groupmap, "*:%s", arg) < 0)
1802 out_of_memory("parse_arguments");
1803 groupmap_via_chown = True;
1818 /* FIXME: this should probably be ignored with a
1819 * warning and then countermeasures taken to
1820 * restrict group and other access in the presence
1821 * of any more restrictive ACLs, but this is safe
1823 snprintf(err_buf,sizeof(err_buf),
1824 "ACLs are not supported on this %s\n",
1825 am_server ? "server" : "client");
1830 #ifdef SUPPORT_XATTRS
1834 snprintf(err_buf,sizeof(err_buf),
1835 "extended attributes are not supported on this %s\n",
1836 am_server ? "server" : "client");
1841 /* A large opt value means that set_refuse_options()
1842 * turned this option off. */
1843 if (opt >= OPT_REFUSED_BASE) {
1844 create_refuse_error(opt);
1847 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
1848 am_server ? "on remote machine: " : "",
1849 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1855 if (protect_args < 0) {
1858 else if ((arg = getenv("RSYNC_PROTECT_ARGS")) != NULL && *arg)
1859 protect_args = atoi(arg) ? 1 : 0;
1861 #ifdef RSYNC_USE_PROTECTED_ARGS
1869 if (checksum_choice && strcasecmp(checksum_choice, "auto") != 0 && strcasecmp(checksum_choice, "auto,auto") != 0) {
1870 /* Call this early to verify the args and figure out if we need to force
1871 * --whole-file. Note that the parse function will get called again later,
1872 * just in case an "auto" choice needs to know the protocol_version. */
1873 parse_checksum_choice(0);
1875 checksum_choice = NULL;
1877 if (human_readable > 1 && argc == 2 && !am_server) {
1878 /* Allow the old meaning of 'h' (--help) on its own. */
1883 if (!compress_choice && do_compression > 1)
1884 compress_choice = "zlibx";
1885 if (compress_choice && strcasecmp(compress_choice, "auto") != 0)
1886 parse_compress_choice(0); /* Twiddles do_compression and can possibly NULL-out compress_choice. */
1888 compress_choice = NULL;
1890 if (do_compression || do_compression_level != CLVL_NOT_SPECIFIED) {
1891 if (!do_compression)
1892 do_compression = CPRES_AUTO;
1893 if (do_compression && refused_compress) {
1894 create_refuse_error(refused_compress);
1900 if (outbuf_mode && !am_server) {
1901 int mode = *(uchar *)outbuf_mode;
1903 mode = toupper(mode);
1904 fflush(stdout); /* Just in case... */
1906 case 'N': /* None */
1907 case 'U': /* Unbuffered */
1910 case 'L': /* Line */
1913 case 'B': /* Block */
1914 case 'F': /* Full */
1918 snprintf(err_buf, sizeof err_buf,
1919 "Invalid --outbuf setting -- specify N, L, or B.\n");
1922 setvbuf(stdout, (char *)NULL, mode, 0);
1926 /* Make stderr line buffered for better sharing of the stream. */
1927 fflush(stderr); /* Just in case... */
1928 setvbuf(stderr, (char *)NULL, _IOLBF, 0);
1932 set_output_verbosity(verbose, DEFAULT_PRIORITY);
1935 parse_output_words(info_words, info_levels,
1936 verbose > 1 ? "stats3" : "stats2", DEFAULT_PRIORITY);
1940 if (iconv_opt && protect_args != 2) {
1941 if (!am_server && strcmp(iconv_opt, "-") == 0)
1944 need_unsorted_flist = 1;
1946 if (refused_no_iconv && !iconv_opt) {
1947 create_refuse_error(refused_no_iconv);
1952 if (fuzzy_basis > 1)
1953 fuzzy_basis = basis_dir_cnt + 1;
1955 /* Don't let the client reset protect_args if it was already processed */
1956 if (orig_protect_args == 2 && am_server)
1957 protect_args = orig_protect_args;
1959 if (protect_args == 1 && am_server)
1962 *argv_p = argv = poptGetArgs(pc);
1963 *argc_p = argc = count_args(argv);
1965 #ifndef SUPPORT_LINKS
1966 if (preserve_links && !am_sender) {
1967 snprintf(err_buf, sizeof err_buf,
1968 "symlinks are not supported on this %s\n",
1969 am_server ? "server" : "client");
1974 #ifndef SUPPORT_HARD_LINKS
1975 if (preserve_hard_links) {
1976 snprintf(err_buf, sizeof err_buf,
1977 "hard links are not supported on this %s\n",
1978 am_server ? "server" : "client");
1983 #ifdef SUPPORT_XATTRS
1984 if (am_root < 0 && preserve_xattrs > 1) {
1985 snprintf(err_buf, sizeof err_buf,
1986 "--fake-super conflicts with -XX\n");
1991 snprintf(err_buf, sizeof err_buf,
1992 "--fake-super requires an rsync with extended attributes enabled\n");
1998 /* We may not know the real protocol_version at this point if this is the client
1999 * option parsing, but we still want to check it so that the client can specify
2000 * a --protocol=29 option with a larger block size. */
2001 int32 max_blength = protocol_version < 30 ? OLD_MAX_BLOCK_SIZE : MAX_BLOCK_SIZE;
2003 if (block_size > max_blength) {
2004 snprintf(err_buf, sizeof err_buf,
2005 "--block-size=%lu is too large (max: %u)\n", block_size, max_blength);
2010 if (write_batch && read_batch) {
2011 snprintf(err_buf, sizeof err_buf,
2012 "--write-batch and --read-batch can not be used together\n");
2015 if (write_batch > 0 || read_batch) {
2018 "ignoring --%s-batch option sent to server\n",
2019 write_batch ? "write" : "read");
2020 /* We don't actually exit_cleanup(), so that we can
2021 * still service older version clients that still send
2022 * batch args to server. */
2023 read_batch = write_batch = 0;
2027 } else if (write_batch < 0 && dry_run)
2029 if (read_batch && files_from) {
2030 snprintf(err_buf, sizeof err_buf,
2031 "--read-batch cannot be used with --files-from\n");
2034 if (read_batch && remove_source_files) {
2035 snprintf(err_buf, sizeof err_buf,
2036 "--read-batch cannot be used with --remove-%s-files\n",
2037 remove_source_files == 1 ? "source" : "sent");
2040 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
2041 snprintf(err_buf, sizeof err_buf,
2042 "the batch-file name must be %d characters or less.\n",
2043 MAX_BATCH_NAME_LEN);
2047 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
2048 snprintf(err_buf, sizeof err_buf,
2049 "the --temp-dir path is WAY too long.\n");
2053 if (max_delete < 0 && max_delete != INT_MIN) {
2054 /* Negative numbers are treated as "no deletions". */
2059 if (recurse == 1) /* preserve recurse == 2 */
2065 if (argc < 2 && !read_batch && !am_server)
2068 if (xfer_dirs >= 4) {
2069 parse_filter_str(&filter_list, "- /*/*", rule_template(0), 0);
2070 recurse = xfer_dirs = 1;
2073 else if (xfer_dirs < 0)
2074 xfer_dirs = list_only ? 1 : 0;
2076 if (relative_paths < 0)
2077 relative_paths = files_from? 1 : 0;
2078 if (!relative_paths)
2081 if (delete_before + !!delete_during + delete_after > 1) {
2082 snprintf(err_buf, sizeof err_buf,
2083 "You may not combine multiple --delete-WHEN options.\n");
2086 if (delete_before || delete_during || delete_after)
2088 else if (delete_mode || delete_excluded) {
2089 /* Only choose now between before & during if one is refused. */
2090 if (refused_delete_before) {
2091 if (!refused_delete_during)
2094 create_refuse_error(refused_delete_before);
2097 } else if (refused_delete_during)
2101 if (!xfer_dirs && delete_mode) {
2102 snprintf(err_buf, sizeof err_buf,
2103 "--delete does not work without --recursive (-r) or --dirs (-d).\n");
2107 if (missing_args == 3) /* simplify if both options were specified */
2109 if (refused_delete && (delete_mode || missing_args == 2)) {
2110 create_refuse_error(refused_delete);
2114 if (remove_source_files) {
2115 /* We only want to infer this refusal of --remove-source-files
2116 * via the refusal of "delete", not any of the "delete-FOO"
2118 if (refused_delete && am_sender) {
2119 create_refuse_error(refused_delete);
2122 need_messages_from_generator = 1;
2125 if (munge_symlinks && !am_daemon) {
2127 char prefix[SYMLINK_PREFIX_LEN]; /* NOT +1 ! */
2128 strlcpy(prefix, SYMLINK_PREFIX, sizeof prefix); /* trim the trailing slash */
2129 if (do_stat(prefix, &st) == 0 && S_ISDIR(st.st_mode)) {
2130 rprintf(FERROR, "Symlink munging is unsafe when a %s directory exists.\n",
2132 exit_cleanup(RERR_UNSUPPORTED);
2136 if (sanitize_paths) {
2138 for (i = argc; i-- > 0; )
2139 argv[i] = sanitize_path(NULL, argv[i], "", 0, SP_KEEP_DOT_DIRS);
2141 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0, SP_DEFAULT);
2143 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0, SP_DEFAULT);
2145 if (daemon_filter_list.head && !am_sender) {
2146 filter_rule_list *elp = &daemon_filter_list;
2150 goto options_rejected;
2151 dir = tmpdir + (*tmpdir == '/' ? module_dirlen : 0);
2152 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2153 if (check_filter(elp, FLOG, dir, 1) < 0)
2154 goto options_rejected;
2159 goto options_rejected;
2160 dir = backup_dir + (*backup_dir == '/' ? module_dirlen : 0);
2161 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2162 if (check_filter(elp, FLOG, dir, 1) < 0)
2163 goto options_rejected;
2168 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
2169 backup_suffix_len = strlen(backup_suffix);
2170 if (strchr(backup_suffix, '/') != NULL) {
2171 snprintf(err_buf, sizeof err_buf,
2172 "--suffix cannot contain slashes: %s\n",
2178 while (*backup_dir == '.' && backup_dir[1] == '/')
2180 if (*backup_dir == '.' && backup_dir[1] == '\0')
2182 len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
2183 if (len > sizeof backup_dir_buf - 128) {
2184 snprintf(err_buf, sizeof err_buf,
2185 "the --backup-dir path is WAY too long.\n");
2188 backup_dir_len = (int)len;
2189 if (!backup_dir_len) {
2190 backup_dir_len = -1;
2192 } else if (backup_dir_buf[backup_dir_len - 1] != '/') {
2193 backup_dir_buf[backup_dir_len++] = '/';
2194 backup_dir_buf[backup_dir_len] = '\0';
2196 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
2199 /* No need for a suffix or a protect rule. */
2200 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
2201 snprintf(err_buf, sizeof err_buf,
2202 "--suffix cannot be empty %s\n", backup_dir_len < 0
2203 ? "when --backup-dir is the same as the dest dir"
2204 : "without a --backup-dir");
2206 } else if (make_backups && delete_mode && !delete_excluded && !am_server) {
2207 snprintf(backup_dir_buf, sizeof backup_dir_buf,
2208 "P *%s", backup_suffix);
2209 parse_filter_str(&filter_list, backup_dir_buf, rule_template(0), 0);
2212 if (preserve_times) {
2213 preserve_times = PRESERVE_FILE_TIMES;
2214 if (!omit_dir_times)
2215 preserve_times |= PRESERVE_DIR_TIMES;
2216 #ifdef CAN_SET_SYMLINK_TIMES
2217 if (!omit_link_times)
2218 preserve_times |= PRESERVE_LINK_TIMES;
2222 if (make_backups && !backup_dir) {
2223 omit_dir_times = 0; /* Implied, so avoid -O to sender. */
2224 preserve_times &= ~PRESERVE_DIR_TIMES;
2227 if (stdout_format) {
2228 if (am_server && log_format_has(stdout_format, 'I'))
2229 stdout_format_has_i = 2;
2230 else if (log_format_has(stdout_format, 'i'))
2231 stdout_format_has_i = itemize_changes | 1;
2232 if (!log_format_has(stdout_format, 'b')
2233 && !log_format_has(stdout_format, 'c')
2234 && !log_format_has(stdout_format, 'C'))
2235 log_before_transfer = !am_server;
2236 } else if (itemize_changes) {
2237 stdout_format = "%i %n%L";
2238 stdout_format_has_i = itemize_changes;
2239 log_before_transfer = !am_server;
2242 if (do_progress && !am_server) {
2243 if (!log_before_transfer && INFO_EQ(NAME, 0))
2244 parse_output_words(info_words, info_levels, "name", DEFAULT_PRIORITY);
2245 parse_output_words(info_words, info_levels, "flist2,progress", DEFAULT_PRIORITY);
2251 set_io_timeout(io_timeout);
2253 if (INFO_GTE(NAME, 1) && !stdout_format) {
2254 stdout_format = "%n%L";
2255 log_before_transfer = !am_server;
2257 if (stdout_format_has_i || log_format_has(stdout_format, 'o'))
2258 stdout_format_has_o_or_i = 1;
2260 if (logfile_name && !am_daemon) {
2261 if (!logfile_format) {
2262 logfile_format = "%i %n%L";
2263 logfile_format_has_i = logfile_format_has_o_or_i = 1;
2265 if (log_format_has(logfile_format, 'i'))
2266 logfile_format_has_i = 1;
2267 if (logfile_format_has_i || log_format_has(logfile_format, 'o'))
2268 logfile_format_has_o_or_i = 1;
2271 } else if (!am_daemon)
2272 logfile_format = NULL;
2274 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
2275 bwlimit = daemon_bwlimit;
2277 bwlimit_writemax = (size_t)bwlimit * 128;
2278 if (bwlimit_writemax < 512)
2279 bwlimit_writemax = 512;
2283 if (whole_file > 0) {
2284 snprintf(err_buf, sizeof err_buf,
2285 "--append cannot be used with --whole-file\n");
2288 if (refused_inplace) {
2289 create_refuse_error(refused_inplace);
2295 if (write_devices) {
2296 if (refused_inplace) {
2297 create_refuse_error(refused_inplace);
2303 if (delay_updates && !partial_dir)
2304 partial_dir = tmp_partialdir;
2307 #ifdef HAVE_FTRUNCATE
2309 snprintf(err_buf, sizeof err_buf,
2310 "--%s cannot be used with --%s\n",
2311 append_mode ? "append" : "inplace",
2312 delay_updates ? "delay-updates" : "partial-dir");
2315 /* --inplace implies --partial for refusal purposes, but we
2316 * clear the keep_partial flag for internal logic purposes. */
2317 if (refused_partial) {
2318 create_refuse_error(refused_partial);
2323 snprintf(err_buf, sizeof err_buf,
2324 "--%s is not supported on this %s\n",
2325 append_mode ? "append" : "inplace",
2326 am_server ? "server" : "client");
2330 if (keep_partial && !partial_dir && !am_server) {
2331 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
2332 partial_dir = strdup(arg);
2336 clean_fname(partial_dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2337 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
2339 if (!partial_dir && refused_partial) {
2340 create_refuse_error(refused_partial);
2350 if (argc > 2 || (!am_daemon && !am_server && argc == 1)) {
2352 exit_cleanup(RERR_SYNTAX);
2354 if (strcmp(files_from, "-") == 0) {
2357 filesfrom_host = ""; /* reading from socket */
2358 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
2360 snprintf(err_buf, sizeof err_buf,
2361 "The --files-from sent to the server cannot specify a host.\n");
2366 if (strcmp(files_from, "-") == 0) {
2367 snprintf(err_buf, sizeof err_buf,
2368 "Invalid --files-from remote filename\n");
2373 files_from = sanitize_path(NULL, files_from, NULL, 0, SP_DEFAULT);
2374 if (daemon_filter_list.head) {
2377 goto options_rejected;
2378 dir = files_from + (*files_from == '/' ? module_dirlen : 0);
2379 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2380 if (check_filter(&daemon_filter_list, FLOG, dir, 0) < 0)
2381 goto options_rejected;
2383 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
2384 if (filesfrom_fd < 0) {
2385 snprintf(err_buf, sizeof err_buf,
2386 "failed to open files-from file %s: %s\n",
2387 files_from, strerror(errno));
2398 snprintf(err_buf, sizeof err_buf,
2399 "Your options have been rejected by the server.\n");
2405 * Construct a filtered list of options to pass through from the
2406 * client to the server.
2408 * This involves setting options that will tell the server how to
2409 * behave, and also filtering out options that are processed only
2412 void server_options(char **args, int *argc_p)
2414 static char argstr[64];
2420 /* This should always remain first on the server's command-line. */
2421 args[ac++] = "--server";
2423 if (daemon_over_rsh > 0) {
2424 args[ac++] = "--daemon";
2426 /* if we're passing --daemon, we're done */
2431 args[ac++] = "--sender";
2439 for (i = 0; i < verbose; i++)
2442 if (quiet && msgs2stderr)
2448 if (!do_xfers) /* Note: NOT "dry_run"! */
2452 if ((xfer_dirs >= 2 && xfer_dirs < 4)
2453 || (xfer_dirs && !recurse && (list_only || (delete_mode && am_sender))))
2458 if (prune_empty_dirs)
2462 if (omit_link_times)
2466 if (fuzzy_basis > 1)
2478 /* We don't need to send --no-whole-file, because it's the
2479 * default for remote transfers, and in any case old versions
2480 * of rsync will not understand it. */
2482 if (preserve_hard_links) {
2484 if (preserve_hard_links > 1)
2491 if (preserve_devices) /* ignore preserve_specials here */
2495 if (preserve_atimes) {
2497 if (preserve_atimes > 1)
2502 else if (preserve_executability && am_sender)
2508 #ifdef SUPPORT_XATTRS
2509 if (preserve_xattrs) {
2511 if (preserve_xattrs > 1)
2517 if (always_checksum)
2525 if (one_file_system) {
2527 if (one_file_system > 1)
2532 if (do_compression == CPRES_ZLIB)
2535 set_allow_inc_recurse();
2537 /* We don't really know the actual protocol_version at this point,
2538 * but checking the pre-negotiated value allows the user to use a
2539 * --protocol=29 override to avoid the use of this -eFLAGS opt. */
2540 if (protocol_version >= 30) {
2541 /* Use "eFlags" alias so that cull_options doesn't think that these are no-arg option letters. */
2542 #define eFlags argstr
2543 /* We make use of the -e option to let the server know about
2544 * any pre-release protocol version && some behavior flags. */
2546 #if SUBPROTOCOL_VERSION != 0
2547 if (protocol_version == PROTOCOL_VERSION) {
2548 x += snprintf(argstr+x, sizeof argstr - x,
2550 PROTOCOL_VERSION, SUBPROTOCOL_VERSION);
2554 if (allow_inc_recurse)
2556 #ifdef CAN_SET_SYMLINK_TIMES
2557 eFlags[x++] = 'L'; /* symlink time-setting support */
2560 eFlags[x++] = 's'; /* symlink iconv translation support */
2562 eFlags[x++] = 'f'; /* flist I/O-error safety support */
2563 eFlags[x++] = 'x'; /* xattr hardlink optimization not desired */
2564 eFlags[x++] = 'C'; /* support checksum seed order fix */
2565 eFlags[x++] = 'I'; /* support inplace_partial behavior */
2566 eFlags[x++] = 'v'; /* use varint for flist & compat flags; negotiate checksum */
2567 /* NOTE: Avoid using 'V' -- it was the high bit of a write_byte() that became write_varint(). */
2571 if (x >= (int)sizeof argstr) { /* Not possible... */
2572 rprintf(FERROR, "argstr overflow in server_options().\n");
2573 exit_cleanup(RERR_MALLOC);
2579 args[ac++] = argstr;
2583 char *set = strchr(iconv_opt, ',');
2588 if (asprintf(&arg, "--iconv=%s", set) < 0)
2594 if (protect_args && !local_server) /* unprotected args stop here */
2598 args[ac++] = "--list-only";
2600 /* This makes sure that the remote rsync can handle deleting with -d
2601 * sans -r because the --no-r option was added at the same time. */
2602 if (xfer_dirs && !recurse && delete_mode && am_sender)
2603 args[ac++] = "--no-r";
2605 if (do_compression && do_compression_level != CLVL_NOT_SPECIFIED) {
2606 if (asprintf(&arg, "--compress-level=%d", do_compression_level) < 0)
2611 if (preserve_devices) {
2612 /* Note: sending "--devices" would not be backward-compatible. */
2613 if (!preserve_specials)
2614 args[ac++] = "--no-specials"; /* -D is already set. */
2615 } else if (preserve_specials)
2616 args[ac++] = "--specials";
2618 /* The server side doesn't use our log-format, but in certain
2619 * circumstances they need to know a little about the option. */
2620 if (stdout_format && am_sender) {
2621 /* Use --log-format, not --out-format, for compatibility. */
2622 if (stdout_format_has_i > 1)
2623 args[ac++] = "--log-format=%i%I";
2624 else if (stdout_format_has_i)
2625 args[ac++] = "--log-format=%i";
2626 else if (stdout_format_has_o_or_i)
2627 args[ac++] = "--log-format=%o";
2629 args[ac++] = "--log-format=X";
2633 if (asprintf(&arg, "-B%lu", block_size) < 0)
2639 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
2645 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
2651 args[ac++] = "--backup-dir";
2652 args[ac++] = backup_dir;
2655 /* Only send --suffix if it specifies a non-default value. */
2656 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
2657 /* We use the following syntax to avoid weirdness with '~'. */
2658 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
2663 if (checksum_choice) {
2664 if (asprintf(&arg, "--checksum-choice=%s", checksum_choice) < 0)
2669 if (do_compression == CPRES_ZLIBX)
2670 args[ac++] = "--new-compress";
2671 else if (compress_choice && do_compression == CPRES_ZLIB)
2672 args[ac++] = "--old-compress";
2673 else if (compress_choice) {
2674 if (asprintf(&arg, "--compress-choice=%s", compress_choice) < 0)
2680 if (max_delete > 0) {
2681 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
2684 } else if (max_delete == 0)
2685 args[ac++] = "--max-delete=-1";
2686 if (min_size >= 0) {
2687 args[ac++] = "--min-size";
2688 args[ac++] = min_size_arg;
2690 if (max_size >= 0) {
2691 args[ac++] = "--max-size";
2692 args[ac++] = max_size_arg;
2695 args[ac++] = "--delete-before";
2696 else if (delete_during == 2)
2697 args[ac++] = "--delete-delay";
2698 else if (delete_during)
2699 args[ac++] = "--delete-during";
2700 else if (delete_after)
2701 args[ac++] = "--delete-after";
2702 else if (delete_mode && !delete_excluded)
2703 args[ac++] = "--delete";
2704 if (delete_excluded)
2705 args[ac++] = "--delete-excluded";
2707 args[ac++] = "--force";
2708 if (write_batch < 0)
2709 args[ac++] = "--only-write-batch=X";
2711 args[ac++] = "--super";
2713 args[ac++] = "--size-only";
2715 args[ac++] = "--stats";
2717 if (skip_compress) {
2718 if (asprintf(&arg, "--skip-compress=%s", skip_compress) < 0)
2724 /* --delete-missing-args needs the cooperation of both sides, but
2725 * the sender can handle --ignore-missing-args by itself. */
2726 if (missing_args == 2)
2727 args[ac++] = "--delete-missing-args";
2728 else if (missing_args == 1 && !am_sender)
2729 args[ac++] = "--ignore-missing-args";
2731 if (modify_window_set && am_sender) {
2732 char *fmt = modify_window < 0 ? "-@%d" : "--modify-window=%d";
2733 if (asprintf(&arg, fmt, modify_window) < 0)
2738 if (checksum_seed) {
2739 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
2744 if (partial_dir && am_sender) {
2745 if (partial_dir != tmp_partialdir) {
2746 args[ac++] = "--partial-dir";
2747 args[ac++] = partial_dir;
2750 args[ac++] = "--delay-updates";
2751 } else if (keep_partial && am_sender)
2752 args[ac++] = "--partial";
2755 args[ac++] = "--ignore-errors";
2757 if (copy_unsafe_links)
2758 args[ac++] = "--copy-unsafe-links";
2761 args[ac++] = "--safe-links";
2764 args[ac++] = "--numeric-ids";
2767 args[ac++] = "--use-qsort";
2771 if (asprintf(&arg, "--usermap=%s", usermap) < 0)
2777 if (asprintf(&arg, "--groupmap=%s", groupmap) < 0)
2782 if (ignore_existing)
2783 args[ac++] = "--ignore-existing";
2785 /* Backward compatibility: send --existing, not --ignore-non-existing. */
2786 if (ignore_non_existing)
2787 args[ac++] = "--existing";
2790 args[ac++] = "--temp-dir";
2791 args[ac++] = tmpdir;
2795 /* the server only needs this option if it is not the sender,
2796 * and it may be an older version that doesn't know this
2797 * option, so don't send it if client is the sender.
2799 for (i = 0; i < basis_dir_cnt; i++) {
2800 args[ac++] = alt_dest_name(0);
2801 args[ac++] = basis_dir[i];
2806 /* What flags do we need to send to the other side? */
2807 where = (am_server ? W_CLI : W_SRV) | (am_sender ? W_REC : W_SND);
2808 arg = make_output_option(info_words, info_levels, where);
2813 if (append_mode > 1)
2814 args[ac++] = "--append";
2815 args[ac++] = "--append";
2817 args[ac++] = "--inplace";
2819 if (files_from && (!am_sender || filesfrom_host)) {
2820 if (filesfrom_host) {
2821 args[ac++] = "--files-from";
2822 args[ac++] = files_from;
2824 args[ac++] = "--from0";
2826 args[ac++] = "--files-from=-";
2827 args[ac++] = "--from0";
2829 if (!relative_paths)
2830 args[ac++] = "--no-relative";
2832 /* It's OK that this checks the upper-bound of the protocol_version. */
2833 if (relative_paths && !implied_dirs && (!am_sender || protocol_version >= 30))
2834 args[ac++] = "--no-implied-dirs";
2836 if (write_devices && am_sender)
2837 args[ac++] = "--write-devices";
2839 if (remove_source_files == 1)
2840 args[ac++] = "--remove-source-files";
2841 else if (remove_source_files)
2842 args[ac++] = "--remove-sent-files";
2844 if (preallocate_files && am_sender)
2845 args[ac++] = "--preallocate";
2847 if (open_noatime && preserve_atimes <= 1)
2848 args[ac++] = "--open-noatime";
2850 if (ac > MAX_SERVER_ARGS) { /* Not possible... */
2851 rprintf(FERROR, "argc overflow in server_options().\n");
2852 exit_cleanup(RERR_MALLOC);
2855 if (remote_option_cnt) {
2857 if (ac + remote_option_cnt > MAX_SERVER_ARGS) {
2858 rprintf(FERROR, "too many remote options specified.\n");
2859 exit_cleanup(RERR_SYNTAX);
2861 for (j = 1; j <= remote_option_cnt; j++)
2862 args[ac++] = (char*)remote_options[j];
2869 out_of_memory("server_options");
2872 /* If str points to a valid hostspec, return allocated memory containing the
2873 * [USER@]HOST part of the string, and set the path_start_ptr to the part of
2874 * the string after the host part. Otherwise, return NULL. If port_ptr is
2875 * non-NULL, we must be parsing an rsync:// URL hostname, and we will set
2876 * *port_ptr if a port number is found. Note that IPv6 IPs will have their
2877 * (required for parsing) [ and ] chars elided from the returned string. */
2878 static char *parse_hostspec(char *str, char **path_start_ptr, int *port_ptr)
2880 char *s, *host_start = str;
2881 int hostlen = 0, userlen = 0;
2884 for (s = str; ; s++) {
2886 /* It is only OK if we run out of string with rsync:// */
2890 hostlen = s - host_start;
2893 if (*s == ':' || *s == '/') {
2895 hostlen = s - host_start;
2899 } else if (port_ptr) {
2900 *port_ptr = atoi(s);
2901 while (isDigit(s)) s++;
2902 if (*s && *s++ != '/')
2908 userlen = s - str + 1;
2910 } else if (*s == '[') {
2911 if (s != host_start++)
2913 while (*s && *s != ']' && *s != '/') s++; /*SHARED ITERATOR*/
2914 hostlen = s - host_start;
2915 if (*s != ']' || (s[1] && s[1] != '/' && s[1] != ':') || !hostlen)
2920 *path_start_ptr = s;
2921 ret = new_array(char, userlen + hostlen + 1);
2923 strlcpy(ret, str, userlen + 1);
2924 strlcpy(ret + userlen, host_start, hostlen + 1);
2928 /* Look for a HOST specification of the form "HOST:PATH", "HOST::PATH", or
2929 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
2930 * memory with the HOST. If a daemon-accessing spec was specified, the value
2931 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
2932 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
2933 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
2934 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
2935 char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
2939 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
2940 *host_ptr = parse_hostspec(s + strlen(URL_PREFIX), &path, port_ptr);
2943 *port_ptr = -1; /* -1 indicates they want the default */
2948 *host_ptr = parse_hostspec(s, &path, NULL);
2953 if (port_ptr && !*port_ptr)