Avoid infinite loop if the file's length is negative.
[rsync/rsync.git] / options.c
CommitLineData
0f78b815
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1/*
2 * Command-line (and received via daemon-socket) option parsing.
dfa32483 3 *
0f78b815
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4 * Copyright (C) 1998-2001 Andrew Tridgell <tridge@samba.org>
5 * Copyright (C) 2000, 2001, 2002 Martin Pool <mbp@samba.org>
fa5a06ad 6 * Copyright (C) 2002-2010 Wayne Davison
dfa32483 7 *
dafe63ca 8 * This program is free software; you can redistribute it and/or modify
8e41b68e
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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.
dfa32483 12 *
dafe63ca
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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.
dfa32483 17 *
e7c67065 18 * You should have received a copy of the GNU General Public License along
4fd842f9 19 * with this program; if not, visit the http://fsf.org website.
dafe63ca 20 */
7a6421fa 21
7a6421fa 22#include "rsync.h"
5dd14f0c 23#include "itypes.h"
35bf8fa0 24#include <popt.h>
854a1aad 25#include "zlib/zlib.h"
7a6421fa 26
7bc90b30 27extern int module_id;
53936ef9 28extern int local_server;
7be73df4 29extern int sanitize_paths;
e208631a 30extern int daemon_over_rsh;
a1018691 31extern unsigned int module_dirlen;
7b6c5c77
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32extern filter_rule_list filter_list;
33extern filter_rule_list daemon_filter_list;
8645af1d 34
7a6421fa 35int make_backups = 0;
1bfbf40b
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36
37/**
dfa32483 38 * If 1, send the whole file as literal data rather than trying to
dafe63ca 39 * create an incremental diff.
1bfbf40b 40 *
dfa32483 41 * If -1, then look at whether we're local or remote and go by that.
dafe63ca
MP
42 *
43 * @sa disable_deltas_p()
1bfbf40b 44 **/
dfa32483 45int whole_file = -1;
1bfbf40b 46
a015788d 47int append_mode = 0;
716e73d4 48int keep_dirlinks = 0;
2dbf36ef 49int copy_dirlinks = 0;
7a6421fa
AT
50int copy_links = 0;
51int preserve_links = 0;
52int preserve_hard_links = 0;
1c3344a1 53int preserve_acls = 0;
16edf865 54int preserve_xattrs = 0;
7a6421fa 55int preserve_perms = 0;
344f9ba7 56int preserve_executability = 0;
7a6421fa 57int preserve_devices = 0;
b5c6a6ae 58int preserve_specials = 0;
7a6421fa
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59int preserve_uid = 0;
60int preserve_gid = 0;
61int preserve_times = 0;
62int update_only = 0;
63int cvs_exclude = 0;
a5c11139 64int dry_run = 0;
11e758a4 65int do_xfers = 1;
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66int ignore_times = 0;
67int delete_mode = 0;
a51b3168 68int delete_during = 0;
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69int delete_before = 0;
70int delete_after = 0;
a5c11139 71int delete_excluded = 0;
47c11975 72int remove_source_files = 0;
a5c11139 73int one_file_system = 0;
4f3e9a0f 74int protocol_version = PROTOCOL_VERSION;
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75int sparse_files = 0;
76int do_compression = 0;
854a1aad 77int def_compress_level = Z_DEFAULT_COMPRESSION;
9439c0cb 78int am_root = 0; /* 0 = normal, 1 = root, 2 = --super, -1 = --fake-super */
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79int am_server = 0;
80int am_sender = 0;
7f2a1f65 81int am_starting_up = 1;
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82int relative_paths = -1;
83int implied_dirs = 1;
42d8ec61 84int missing_args = 0; /* 0 = FERROR_XFER, 1 = ignore, 2 = delete */
7a6421fa 85int numeric_ids = 0;
eabc85ef 86int msgs2stderr = 0;
5974c662 87int allow_8bit_chars = 0;
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88int force_delete = 0;
89int io_timeout = 0;
876c9936 90int prune_empty_dirs = 0;
8487f9cf 91int use_qsort = 0;
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92char *files_from = NULL;
93int filesfrom_fd = -1;
305666bf 94char *filesfrom_host = NULL;
ea5164d1 95int eol_nulls = 0;
4c4a2962 96int protect_args = -1;
adc2476f 97int human_readable = 1;
7a6421fa 98int recurse = 0;
5275029d 99int allow_inc_recurse = 1;
b6164938 100int xfer_dirs = -1;
1312d9fc 101int am_daemon = 0;
ba22c9e2 102int connect_timeout = 0;
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103int keep_partial = 0;
104int safe_symlinks = 0;
105int copy_unsafe_links = 0;
41adbcec 106int munge_symlinks = 0;
a5c11139 107int size_only = 0;
9fb08441 108int daemon_bwlimit = 0;
a5c11139 109int bwlimit = 0;
c4ed1487 110int fuzzy_basis = 0;
3c74c3a3 111size_t bwlimit_writemax = 0;
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112int ignore_existing = 0;
113int ignore_non_existing = 0;
07c6ae7d 114int need_messages_from_generator = 0;
7b9598b2 115int max_delete = INT_MIN;
7d5acf1d 116OFF_T max_size = 0;
74de13d1 117OFF_T min_size = 0;
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118int ignore_errors = 0;
119int modify_window = 0;
120int blocking_io = -1;
2289bf64 121int checksum_seed = 0;
a3221d2a 122int inplace = 0;
f06e7082 123int delay_updates = 0;
a06b419d 124long block_size = 0; /* "long" because popt can't set an int32. */
adc2476f 125char number_separator;
b1e436ec 126char *skip_compress = NULL;
2206abf8 127item_list dparam_list = EMPTY_ITEM_LIST;
b35d0d8e 128
13e29995 129/** Network address family. **/
24d677fc 130int default_af_hint
4f5b0756 131#ifdef INET6
24d677fc 132 = 0; /* Any protocol */
6ab6d4bf 133#else
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134 = AF_INET; /* Must use IPv4 */
135# ifdef AF_INET6
136# undef AF_INET6
137# endif
138# define AF_INET6 AF_INET /* make -6 option a no-op */
6ab6d4bf 139#endif
06963d0f 140
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141/** Do not go into the background when run as --daemon. Good
142 * for debugging and required for running as a service on W32,
143 * or under Unix process-monitors. **/
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144int no_detach
145#if defined _WIN32 || defined __WIN32__
146 = 1;
147#else
148 = 0;
149#endif
13e29995 150
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151int write_batch = 0;
152int read_batch = 0;
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153int backup_dir_len = 0;
154int backup_suffix_len;
e0391f81 155unsigned int backup_dir_remainder;
6902ed17 156
d175d7e1 157char *backup_suffix = NULL;
7a6421fa 158char *tmpdir = NULL;
a7260c40 159char *partial_dir = NULL;
e012f858 160char *basis_dir[MAX_BASIS_DIRS+1];
30e8c8e1 161char *config_file = NULL;
7a6421fa 162char *shell_cmd = NULL;
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163char *logfile_name = NULL;
164char *logfile_format = NULL;
b3e4e7ef 165char *stdout_format = NULL;
65575e96 166char *password_file = NULL;
41bd28fe 167char *rsync_path = RSYNC_PATH;
66203a98 168char *backup_dir = NULL;
e0391f81 169char backup_dir_buf[MAXPATHLEN];
831f06a5 170char *sockopts = NULL;
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171char *usermap = NULL;
172char *groupmap = NULL;
0c56b1ad 173int rsync_port = 0;
dfd7d541 174int compare_dest = 0;
1de3e99b 175int copy_dest = 0;
59c95e42 176int link_dest = 0;
ce0b384f 177int basis_dir_cnt = 0;
f9a9f547 178char *dest_option = NULL;
7a6421fa 179
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180static int remote_option_alloc = 0;
181int remote_option_cnt = 0;
182const char **remote_options = NULL;
183
b86f0cef 184int quiet = 0;
dc1f7b9e 185int output_motd = 1;
e7651884 186int log_before_transfer = 0;
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187int stdout_format_has_i = 0;
188int stdout_format_has_o_or_i = 0;
87c0f9d6 189int logfile_format_has_i = 0;
87c0f9d6 190int logfile_format_has_o_or_i = 0;
7a6421fa 191int always_checksum = 0;
f7632fc6 192int list_only = 0;
7a6421fa 193
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194#define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
195char *batch_name = NULL;
6902ed17 196
332cf6df 197int need_unsorted_flist = 0;
f7a76b9c 198#ifdef ICONV_OPTION
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199char *iconv_opt = ICONV_OPTION;
200#endif
201
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202struct chmod_mode_struct *chmod_modes = NULL;
203
d239efa3 204static const char *debug_verbosity[] = {
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205 /*0*/ NULL,
206 /*1*/ NULL,
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207 /*2*/ "BIND,CMD,CONNECT,DEL,DELTASUM,DUP,FILTER,FLIST,ICONV",
208 /*3*/ "ACL,BACKUP,DELTASUM2,DEL2,EXIT,FILTER2,FLIST2,FUZZY,GENR,OWN,RECV,SEND,TIME",
209 /*4*/ "CMD2,DELTASUM3,DEL3,EXIT2,FLIST3,ICONV2,OWN2,PROTO,TIME2",
210 /*5*/ "CHDIR,DELTASUM4,FLIST4,FUZZY2,HASH,HLINK",
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211};
212
213#define MAX_VERBOSITY ((int)(sizeof debug_verbosity / sizeof debug_verbosity[0]) - 1)
214
d239efa3 215static const char *info_verbosity[1+MAX_VERBOSITY] = {
951e826b 216 /*0*/ NULL,
261808da 217 /*1*/ "COPY,DEL,FLIST,MISC,NAME,STATS,SYMSAFE",
3b8f8192 218 /*2*/ "BACKUP,MISC2,MOUNT,NAME2,REMOVE,SKIP",
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219};
220
221#define MAX_OUT_LEVEL 4 /* The largest N allowed for any flagN word. */
222
223short info_levels[COUNT_INFO], debug_levels[COUNT_DEBUG];
224
225#define DEFAULT_PRIORITY 0 /* Default/implied/--verbose set values. */
226#define HELP_PRIORITY 1 /* The help output uses this level. */
227#define USER_PRIORITY 2 /* User-specified via --info or --debug */
228#define LIMIT_PRIORITY 3 /* Overriding priority when limiting values. */
229
230#define W_CLI (1<<0) /* client side */
231#define W_SRV (1<<1) /* server side */
232#define W_SND (1<<2) /* sending side */
233#define W_REC (1<<3) /* receiving side */
234
235struct output_struct {
236 char *name; /* The name of the info/debug flag. */
237 char *help; /* The description of the info/debug flag. */
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238 uchar namelen; /* The length of the name string. */
239 uchar flag; /* The flag's value, for consistency check. */
240 uchar where; /* Bits indicating where the flag is used. */
241 uchar priority; /* See *_PRIORITY defines. */
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242};
243
d239efa3 244#define INFO_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, INFO_##flag, where, 0 }
951e826b 245
75d96978 246static struct output_struct info_words[COUNT_INFO+1] = {
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247 INFO_WORD(BACKUP, W_REC, "Mention files backed up"),
248 INFO_WORD(COPY, W_REC, "Mention files copied locally on the receiving side"),
249 INFO_WORD(DEL, W_REC, "Mention deletions on the receiving side"),
250 INFO_WORD(FLIST, W_CLI, "Mention file-list receiving/sending (levels 1-2)"),
3b8f8192 251 INFO_WORD(MISC, W_SND|W_REC, "Mention miscellaneous information (levels 1-2)"),
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252 INFO_WORD(MOUNT, W_SND|W_REC, "Mention mounts that were found or skipped"),
253 INFO_WORD(NAME, W_SND|W_REC, "Mention 1) updated file/dir names, 2) unchanged names"),
254 INFO_WORD(PROGRESS, W_CLI, "Mention 1) per-file progress or 2) total transfer progress"),
255 INFO_WORD(REMOVE, W_SND, "Mention files removed on the sending side"),
256 INFO_WORD(SKIP, W_REC, "Mention files that are skipped due to options used"),
257 INFO_WORD(STATS, W_CLI|W_SRV, "Mention statistics at end of run (levels 1-3)"),
258 INFO_WORD(SYMSAFE, W_SND|W_REC, "Mention symlinks that are unsafe"),
d239efa3 259 { NULL, "--info", 0, 0, 0, 0 }
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260};
261
d239efa3 262#define DEBUG_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, DEBUG_##flag, where, 0 }
951e826b 263
75d96978 264static struct output_struct debug_words[COUNT_DEBUG+1] = {
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265 DEBUG_WORD(ACL, W_SND|W_REC, "Debug extra ACL info"),
266 DEBUG_WORD(BACKUP, W_REC, "Debug backup actions (levels 1-2)"),
267 DEBUG_WORD(BIND, W_CLI, "Debug socket bind actions"),
268 DEBUG_WORD(CHDIR, W_CLI|W_SRV, "Debug when the current directory changes"),
269 DEBUG_WORD(CONNECT, W_CLI, "Debug connection events"),
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270 DEBUG_WORD(CMD, W_CLI, "Debug commands+options that are issued (levels 1-2)"),
271 DEBUG_WORD(DEL, W_REC, "Debug delete actions (levels 1-3)"),
5a18b34d 272 DEBUG_WORD(DELTASUM, W_SND|W_REC, "Debug delta-transfer checksumming (levels 1-4)"),
951e826b 273 DEBUG_WORD(DUP, W_REC, "Debug weeding of duplicate names"),
0c2e8f93 274 DEBUG_WORD(EXIT, W_CLI|W_SRV, "Debug exit events (levels 1-3)"),
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275 DEBUG_WORD(FILTER, W_SND|W_REC, "Debug filter actions (levels 1-2)"),
276 DEBUG_WORD(FLIST, W_SND|W_REC, "Debug file-list operations (levels 1-4)"),
277 DEBUG_WORD(FUZZY, W_REC, "Debug fuzzy scoring (levels 1-2)"),
278 DEBUG_WORD(GENR, W_REC, "Debug generator functions"),
b3347e2a 279 DEBUG_WORD(HASH, W_SND|W_REC, "Debug hashtable code"),
86be7a0e 280 DEBUG_WORD(HLINK, W_SND|W_REC, "Debug hard-link actions (levels 1-3)"),
c9f540f3 281 DEBUG_WORD(ICONV, W_CLI|W_SRV, "Debug iconv character conversions (levels 1-2)"),
20caffd2 282 DEBUG_WORD(IO, W_CLI|W_SRV, "Debug I/O routines (levels 1-4)"),
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283 DEBUG_WORD(OWN, W_REC, "Debug ownership changes in users & groups (levels 1-2)"),
284 DEBUG_WORD(PROTO, W_CLI|W_SRV, "Debug protocol information"),
285 DEBUG_WORD(RECV, W_REC, "Debug receiver functions"),
286 DEBUG_WORD(SEND, W_SND, "Debug sender functions"),
287 DEBUG_WORD(TIME, W_REC, "Debug setting of modified times (levels 1-2)"),
d239efa3 288 { NULL, "--debug", 0, 0, 0, 0 }
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289};
290
291static int verbose = 0;
292static int do_stats = 0;
293static int do_progress = 0;
e1add893 294static int daemon_opt; /* sets am_daemon after option error-reporting */
f9998046 295static int omit_dir_times = 0;
aa4d3b4c 296static int F_option_cnt = 0;
5b56cc19 297static int modify_window_set;
624d6be2 298static int itemize_changes = 0;
854a1aad 299static int refused_delete, refused_archive_part, refused_compress;
3296f91b 300static int refused_partial, refused_progress, refused_delete_before;
e0e32031 301static int refused_delete_during;
0b52f94d 302static int refused_inplace, refused_no_iconv;
2df20057 303static BOOL usermap_via_chown, groupmap_via_chown;
ce795fcd 304static char *bwlimit_arg, *max_size_arg, *min_size_arg;
77860bac 305static char tmp_partialdir[] = ".~tmp~";
5b56cc19 306
06963d0f 307/** Local address to bind. As a character string because it's
fdf57ede 308 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
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309 * address, or a hostname. **/
310char *bind_address;
5c9730a4 311
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312static void output_item_help(struct output_struct *words);
313
314/* This constructs a string that represents all the options set for either
315 * the --info or --debug setting, skipping any implied options (by -v, etc.).
316 * This is used both when conveying the user's options to the server, and
317 * when the help output wants to tell the user what options are implied. */
d239efa3 318static char *make_output_option(struct output_struct *words, short *levels, uchar where)
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WD
319{
320 char *str = words == info_words ? "--info=" : "--debug=";
321 int j, counts[MAX_OUT_LEVEL+1], pos, skipped = 0, len = 0, max = 0, lev = 0;
322 int word_count = words == info_words ? COUNT_INFO : COUNT_DEBUG;
323 char *buf;
324
325 memset(counts, 0, sizeof counts);
326
327 for (j = 0; words[j].name; j++) {
328 if (words[j].flag != j) {
329 rprintf(FERROR, "rsync: internal error on %s%s: %d != %d\n",
330 words == info_words ? "INFO_" : "DEBUG_",
331 words[j].name, words[j].flag, j);
332 exit_cleanup(RERR_UNSUPPORTED);
333 }
334 if (!(words[j].where & where))
335 continue;
336 if (words[j].priority == DEFAULT_PRIORITY) {
337 /* Implied items don't need to be mentioned. */
338 skipped++;
339 continue;
340 }
341 len += len ? 1 : strlen(str);
342 len += strlen(words[j].name);
343 len += levels[j] == 1 ? 0 : 1;
344
345 if (words[j].priority == HELP_PRIORITY)
346 continue; /* no abbreviating for help */
347
348 assert(levels[j] <= MAX_OUT_LEVEL);
349 if (++counts[levels[j]] > max) {
350 /* Determine which level has the most items. */
351 lev = levels[j];
352 max = counts[lev];
353 }
354 }
355
356 /* Sanity check the COUNT_* define against the length of the table. */
357 if (j != word_count) {
358 rprintf(FERROR, "rsync: internal error: %s is wrong! (%d != %d)\n",
359 words == info_words ? "COUNT_INFO" : "COUNT_DEBUG",
360 j, word_count);
361 exit_cleanup(RERR_UNSUPPORTED);
362 }
363
364 if (!len)
365 return NULL;
366
367 len++;
368 if (!(buf = new_array(char, len)))
369 out_of_memory("make_output_option");
370 pos = 0;
371
372 if (skipped || max < 5)
373 lev = -1;
374 else {
375 if (lev == 0)
376 pos += snprintf(buf, len, "%sNONE", str);
377 else if (lev == 1)
378 pos += snprintf(buf, len, "%sALL", str);
379 else
380 pos += snprintf(buf, len, "%sALL%d", str, lev);
381 }
382
383 for (j = 0; words[j].name && pos < len; j++) {
384 if (words[j].priority == DEFAULT_PRIORITY || levels[j] == lev || !(words[j].where & where))
385 continue;
386 if (pos)
387 buf[pos++] = ',';
388 else
389 pos += strlcpy(buf+pos, str, len-pos);
390 if (pos < len)
391 pos += strlcpy(buf+pos, words[j].name, len-pos);
392 /* Level 1 is implied by the name alone. */
393 if (levels[j] != 1 && pos < len)
394 buf[pos++] = '0' + levels[j];
395 }
396
397 buf[pos] = '\0';
398
399 return buf;
400}
401
402static void parse_output_words(struct output_struct *words, short *levels,
d239efa3 403 const char *str, uchar priority)
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404{
405 const char *s;
406 int j, len, lev;
407
408 if (!str)
409 return;
410
411 while (*str) {
412 if ((s = strchr(str, ',')) != NULL)
413 len = s++ - str;
414 else
415 len = strlen(str);
416 while (len && isDigit(str+len-1))
417 len--;
418 lev = isDigit(str+len) ? atoi(str+len) : 1;
419 if (lev > MAX_OUT_LEVEL)
420 lev = MAX_OUT_LEVEL;
421 if (len == 4 && strncasecmp(str, "help", 4) == 0) {
422 output_item_help(words);
423 exit_cleanup(0);
424 }
425 if (len == 4 && strncasecmp(str, "none", 4) == 0)
426 len = lev = 0;
427 else if (len == 3 && strncasecmp(str, "all", 3) == 0)
428 len = 0;
429 for (j = 0; words[j].name; j++) {
430 if (!len
d239efa3 431 || (len == words[j].namelen && strncasecmp(str, words[j].name, len) == 0)) {
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432 if (priority >= words[j].priority) {
433 words[j].priority = priority;
434 levels[j] = lev;
435 }
436 if (len)
437 break;
438 }
439 }
440 if (len && !words[j].name) {
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441 rprintf(FERROR, "Unknown %s item: \"%.*s\"\n",
442 words[j].help, len, str);
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443 exit_cleanup(RERR_SYNTAX);
444 }
445 if (!s)
446 break;
447 str = s;
448 }
449}
450
451/* Tell the user what all the info or debug flags mean. */
452static void output_item_help(struct output_struct *words)
453{
454 short *levels = words == info_words ? info_levels : debug_levels;
d239efa3 455 const char **verbosity = words == info_words ? info_verbosity : debug_verbosity;
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456 char buf[128], *opt, *fmt = "%-10s %s\n";
457 int j;
458
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459 reset_output_levels();
460
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461 rprintf(FINFO, "Use OPT or OPT1 for level 1 output, OPT2 for level 2, etc.; OPT0 silences.\n");
462 rprintf(FINFO, "\n");
463 for (j = 0; words[j].name; j++)
464 rprintf(FINFO, fmt, words[j].name, words[j].help);
465 rprintf(FINFO, "\n");
466
467 snprintf(buf, sizeof buf, "Set all %s options (e.g. all%d)",
468 words[j].help, MAX_OUT_LEVEL);
469 rprintf(FINFO, fmt, "ALL", buf);
470
471 snprintf(buf, sizeof buf, "Silence all %s options (same as all0)",
472 words[j].help);
473 rprintf(FINFO, fmt, "NONE", buf);
474
475 rprintf(FINFO, fmt, "HELP", "Output this help message");
476 rprintf(FINFO, "\n");
477 rprintf(FINFO, "Options added for each increase in verbose level:\n");
478
479 for (j = 1; j <= MAX_VERBOSITY; j++) {
75d96978 480 parse_output_words(words, levels, verbosity[j], HELP_PRIORITY);
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481 opt = make_output_option(words, levels, W_CLI|W_SRV|W_SND|W_REC);
482 if (opt) {
483 rprintf(FINFO, "%d) %s\n", j, strchr(opt, '=')+1);
484 free(opt);
485 }
75d96978 486 reset_output_levels();
951e826b 487 }
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488}
489
490/* The --verbose option now sets info+debug flags. */
d239efa3 491static void set_output_verbosity(int level, uchar priority)
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492{
493 int j;
494
495 if (level > MAX_VERBOSITY)
496 level = MAX_VERBOSITY;
497
498 for (j = 1; j <= level; j++) {
499 parse_output_words(info_words, info_levels, info_verbosity[j], priority);
500 parse_output_words(debug_words, debug_levels, debug_verbosity[j], priority);
501 }
502}
503
504/* Limit the info+debug flag levels given a verbose-option level limit. */
505void limit_output_verbosity(int level)
506{
507 short info_limits[COUNT_INFO], debug_limits[COUNT_DEBUG];
508 int j;
509
510 if (level > MAX_VERBOSITY)
511 return;
512
513 memset(info_limits, 0, sizeof info_limits);
514 memset(debug_limits, 0, sizeof debug_limits);
515
516 /* Compute the level limits in the above arrays. */
517 for (j = 1; j <= level; j++) {
518 parse_output_words(info_words, info_limits, info_verbosity[j], LIMIT_PRIORITY);
519 parse_output_words(debug_words, debug_limits, debug_verbosity[j], LIMIT_PRIORITY);
520 }
521
522 for (j = 0; j < COUNT_INFO; j++) {
523 if (info_levels[j] > info_limits[j])
524 info_levels[j] = info_limits[j];
525 }
526
527 for (j = 0; j < COUNT_DEBUG; j++) {
528 if (debug_levels[j] > debug_limits[j])
529 debug_levels[j] = debug_limits[j];
530 }
531}
532
533void reset_output_levels(void)
534{
535 int j;
536
537 memset(info_levels, 0, sizeof info_levels);
538 memset(debug_levels, 0, sizeof debug_levels);
539
540 for (j = 0; j < COUNT_INFO; j++)
541 info_words[j].priority = DEFAULT_PRIORITY;
542
543 for (j = 0; j < COUNT_DEBUG; j++)
544 debug_words[j].priority = DEFAULT_PRIORITY;
545}
546
547void negate_output_levels(void)
548{
549 int j;
550
551 for (j = 0; j < COUNT_INFO; j++)
552 info_levels[j] *= -1;
553
554 for (j = 0; j < COUNT_DEBUG; j++)
555 debug_levels[j] *= -1;
556}
7a24c346 557
27a12348 558static void print_rsync_version(enum logcode f)
7a24c346 559{
2ed790f3 560 char *subprotocol = "";
dfa32483 561 char const *got_socketpair = "no ";
a3221d2a 562 char const *have_inplace = "no ";
dfa32483 563 char const *hardlinks = "no ";
1ed56a05 564 char const *symtimes = "no ";
1c3344a1 565 char const *acls = "no ";
16edf865 566 char const *xattrs = "no ";
dfa32483 567 char const *links = "no ";
332cf6df 568 char const *iconv = "no ";
a358449a 569 char const *ipv6 = "no ";
736a6a29 570 STRUCT_STAT *dumstat;
0c80cd8e 571
2ed790f3 572#if SUBPROTOCOL_VERSION != 0
94112924
WD
573 if (asprintf(&subprotocol, ".PR%d", SUBPROTOCOL_VERSION) < 0)
574 out_of_memory("print_rsync_version");
2ed790f3 575#endif
4f5b0756 576#ifdef HAVE_SOCKETPAIR
dfa32483 577 got_socketpair = "";
0c80cd8e 578#endif
4f5b0756 579#ifdef HAVE_FTRUNCATE
a3221d2a
WD
580 have_inplace = "";
581#endif
4f5b0756 582#ifdef SUPPORT_HARD_LINKS
dfa32483 583 hardlinks = "";
2855f61f 584#endif
1c3344a1
WD
585#ifdef SUPPORT_ACLS
586 acls = "";
587#endif
16edf865
WD
588#ifdef SUPPORT_XATTRS
589 xattrs = "";
590#endif
4f5b0756 591#ifdef SUPPORT_LINKS
dfa32483 592 links = "";
2855f61f 593#endif
4f5b0756 594#ifdef INET6
a358449a 595 ipv6 = "";
dfa32483 596#endif
332cf6df
WD
597#ifdef ICONV_OPTION
598 iconv = "";
599#endif
accc091f 600#ifdef CAN_SET_SYMLINK_TIMES
1ed56a05
WD
601 symtimes = "";
602#endif
a358449a 603
719522b9 604 rprintf(f, "%s version %s protocol version %d%s\n",
2ed790f3 605 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION, subprotocol);
fa5a06ad 606 rprintf(f, "Copyright (C) 1996-2010 by Andrew Tridgell, Wayne Davison, and others.\n");
719522b9
WD
607 rprintf(f, "Web site: http://rsync.samba.org/\n");
608 rprintf(f, "Capabilities:\n");
609 rprintf(f, " %d-bit files, %d-bit inums, %d-bit timestamps, %d-bit long ints,\n",
d619ff13
WD
610 (int)(sizeof (OFF_T) * 8),
611 (int)(sizeof dumstat->st_ino * 8), /* Don't check ino_t! */
bb25779d 612 (int)(sizeof (time_t) * 8),
d619ff13
WD
613 (int)(sizeof (int64) * 8));
614 rprintf(f, " %ssocketpairs, %shardlinks, %ssymlinks, %sIPv6, batchfiles, %sinplace,\n",
615 got_socketpair, hardlinks, links, ipv6, have_inplace);
1ed56a05
WD
616 rprintf(f, " %sappend, %sACLs, %sxattrs, %siconv, %ssymtimes\n",
617 have_inplace, acls, xattrs, iconv, symtimes);
2855f61f 618
fc0302cf 619#ifdef MAINTAINER_MODE
29433538 620 rprintf(f, "Panic Action: \"%s\"\n", get_panic_action());
fc0302cf 621#endif
736a6a29 622
031fa9ad
WD
623#if SIZEOF_INT64 < 8
624 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
7a24c346 625#endif
c561edaa
WD
626 if (sizeof (int64) != SIZEOF_INT64) {
627 rprintf(f,
628 "WARNING: size mismatch in SIZEOF_INT64 define (%d != %d)\n",
629 (int) SIZEOF_INT64, (int) sizeof (int64));
630 }
7b329a2d 631
b64ee91a
WD
632 rprintf(f,"\n");
633 rprintf(f,"rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n");
6ab423a5
WD
634 rprintf(f,"are welcome to redistribute it under certain conditions. See the GNU\n");
635 rprintf(f,"General Public Licence for details.\n");
7a24c346
MP
636}
637
638
0f3203c3 639void usage(enum logcode F)
7a6421fa 640{
2855f61f 641 print_rsync_version(F);
704f908e 642
b64ee91a
WD
643 rprintf(F,"\n");
644 rprintf(F,"rsync is a file transfer program capable of efficient remote update\n");
6ab423a5 645 rprintf(F,"via a fast differencing algorithm.\n");
704f908e 646
b64ee91a
WD
647 rprintf(F,"\n");
648 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... DEST\n");
868676dc
WD
649 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
650 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
651 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
d0e94abb 652 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC [DEST]\n");
14d43f1f 653 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
14d43f1f 654 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
08d82b84
WD
655 rprintf(F,"The ':' usages connect via remote shell, while '::' & 'rsync://' usages connect\n");
656 rprintf(F,"to an rsync daemon, and require SRC or DEST to start with a module name.\n");
b64ee91a
WD
657 rprintf(F,"\n");
658 rprintf(F,"Options\n");
704f908e 659 rprintf(F," -v, --verbose increase verbosity\n");
951e826b
WD
660 rprintf(F," --info=FLAGS fine-grained informational verbosity\n");
661 rprintf(F," --debug=FLAGS fine-grained debug verbosity\n");
b3708acf 662 rprintf(F," -q, --quiet suppress non-error messages\n");
dc1f7b9e 663 rprintf(F," --no-motd suppress daemon-mode MOTD (see manpage caveat)\n");
b3708acf 664 rprintf(F," -c, --checksum skip based on checksum, not mod-time & size\n");
16edf865 665 rprintf(F," -a, --archive archive mode; equals -rlptgoD (no -H,-A,-X)\n");
8938d67e 666 rprintf(F," --no-OPTION turn off an implied OPTION (e.g. --no-D)\n");
704f908e
AT
667 rprintf(F," -r, --recursive recurse into directories\n");
668 rprintf(F," -R, --relative use relative path names\n");
11bfaf63 669 rprintf(F," --no-implied-dirs don't send implied dirs with --relative\n");
6839140e 670 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
b3708acf
WD
671 rprintf(F," --backup-dir=DIR make backups into hierarchy based in DIR\n");
672 rprintf(F," --suffix=SUFFIX set backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
673 rprintf(F," -u, --update skip files that are newer on the receiver\n");
4ce838e1 674 rprintf(F," --inplace update destination files in-place (SEE MAN PAGE)\n");
a015788d 675 rprintf(F," --append append data onto shorter files\n");
936fa865 676 rprintf(F," --append-verify like --append, but with old data in file checksum\n");
65e4cda0 677 rprintf(F," -d, --dirs transfer directories without recursing\n");
13e29995 678 rprintf(F," -l, --links copy symlinks as symlinks\n");
b3708acf
WD
679 rprintf(F," -L, --copy-links transform symlink into referent file/dir\n");
680 rprintf(F," --copy-unsafe-links only \"unsafe\" symlinks are transformed\n");
681 rprintf(F," --safe-links ignore symlinks that point outside the source tree\n");
41adbcec 682 rprintf(F," --munge-links munge symlinks to make them safer (but unusable)\n");
2dbf36ef 683 rprintf(F," -k, --copy-dirlinks transform symlink to a dir into referent dir\n");
65e4cda0 684 rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n");
2dbf36ef 685 rprintf(F," -H, --hard-links preserve hard links\n");
704f908e 686 rprintf(F," -p, --perms preserve permissions\n");
344f9ba7 687 rprintf(F," -E, --executability preserve the file's executability\n");
dfe1ed5e 688 rprintf(F," --chmod=CHMOD affect file and/or directory permissions\n");
1c3344a1
WD
689#ifdef SUPPORT_ACLS
690 rprintf(F," -A, --acls preserve ACLs (implies --perms)\n");
16edf865
WD
691#endif
692#ifdef SUPPORT_XATTRS
3caafdfd 693 rprintf(F," -X, --xattrs preserve extended attributes\n");
1c3344a1 694#endif
def97ff9 695 rprintf(F," -o, --owner preserve owner (super-user only)\n");
704f908e 696 rprintf(F," -g, --group preserve group\n");
def97ff9 697 rprintf(F," --devices preserve device files (super-user only)\n");
b5c6a6ae
WD
698 rprintf(F," --specials preserve special files\n");
699 rprintf(F," -D same as --devices --specials\n");
42b06481
WD
700 rprintf(F," -t, --times preserve modification times\n");
701 rprintf(F," -O, --omit-dir-times omit directories from --times\n");
def97ff9 702 rprintf(F," --super receiver attempts super-user activities\n");
9439c0cb
WD
703#ifdef SUPPORT_XATTRS
704 rprintf(F," --fake-super store/recover privileged attrs using xattrs\n");
705#endif
704f908e 706 rprintf(F," -S, --sparse handle sparse files efficiently\n");
d100e733 707 rprintf(F," -n, --dry-run perform a trial run with no changes made\n");
f7a2ac07 708 rprintf(F," -W, --whole-file copy files whole (without delta-xfer algorithm)\n");
704f908e 709 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
9cd339eb 710 rprintf(F," -B, --block-size=SIZE force a fixed checksum block-size\n");
b3708acf 711 rprintf(F," -e, --rsh=COMMAND specify the remote shell to use\n");
05ee4866 712 rprintf(F," --rsync-path=PROGRAM specify the rsync to run on the remote machine\n");
fcecb70b
WD
713 rprintf(F," --existing skip creating new files on receiver\n");
714 rprintf(F," --ignore-existing skip updating files that already exist on receiver\n");
47c11975 715 rprintf(F," --remove-source-files sender removes synchronized files (non-dirs)\n");
3359acb8 716 rprintf(F," --del an alias for --delete-during\n");
fcecb70b 717 rprintf(F," --delete delete extraneous files from destination dirs\n");
e0e32031
WD
718 rprintf(F," --delete-before receiver deletes before transfer, not during\n");
719 rprintf(F," --delete-during receiver deletes during transfer (default)\n");
b0cacef1 720 rprintf(F," --delete-delay find deletions during, delete after\n");
e0e32031 721 rprintf(F," --delete-after receiver deletes after transfer, not during\n");
fcecb70b 722 rprintf(F," --delete-excluded also delete excluded files from destination dirs\n");
42d8ec61
WD
723 rprintf(F," --ignore-missing-args ignore missing source args without error\n");
724 rprintf(F," --delete-missing-args delete missing source args from destination\n");
db2b5cb7 725 rprintf(F," --ignore-errors delete even if there are I/O errors\n");
51d48398 726 rprintf(F," --force force deletion of directories even if not empty\n");
0b73ca12 727 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
7d5acf1d 728 rprintf(F," --max-size=SIZE don't transfer any file larger than SIZE\n");
74de13d1 729 rprintf(F," --min-size=SIZE don't transfer any file smaller than SIZE\n");
c95da96a 730 rprintf(F," --partial keep partially transferred files\n");
a7260c40 731 rprintf(F," --partial-dir=DIR put a partially transferred file into DIR\n");
b3708acf 732 rprintf(F," --delay-updates put all updated files into place at transfer's end\n");
876c9936 733 rprintf(F," -m, --prune-empty-dirs prune empty directory chains from the file-list\n");
704f908e 734 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
2df20057
WD
735 rprintf(F," --usermap=STRING custom username mapping\n");
736 rprintf(F," --groupmap=STRING custom groupname mapping\n");
737 rprintf(F," --chown=USER:GROUP simple username/groupname mapping\n");
ba22c9e2
WD
738 rprintf(F," --timeout=SECONDS set I/O timeout in seconds\n");
739 rprintf(F," --contimeout=SECONDS set daemon connection timeout in seconds\n");
b3708acf 740 rprintf(F," -I, --ignore-times don't skip files that match in size and mod-time\n");
7a2eca41 741 rprintf(F," -M, --remote-option=OPTION send OPTION to the remote side only\n");
b3708acf
WD
742 rprintf(F," --size-only skip files that match in size\n");
743 rprintf(F," --modify-window=NUM compare mod-times with reduced accuracy\n");
4db88e5b 744 rprintf(F," -T, --temp-dir=DIR create temporary files in directory DIR\n");
c4ed1487 745 rprintf(F," -y, --fuzzy find similar file for basis if no dest file\n");
375a4556 746 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
1de3e99b 747 rprintf(F," --copy-dest=DIR ... and include copies of unchanged files\n");
e012f858 748 rprintf(F," --link-dest=DIR hardlink to files in DIR when unchanged\n");
f924946e 749 rprintf(F," -z, --compress compress file data during the transfer\n");
854a1aad 750 rprintf(F," --compress-level=NUM explicitly set compression level\n");
b1e436ec 751 rprintf(F," --skip-compress=LIST skip compressing files with a suffix in LIST\n");
b3708acf 752 rprintf(F," -C, --cvs-exclude auto-ignore files the same way CVS does\n");
aa4d3b4c 753 rprintf(F," -f, --filter=RULE add a file-filtering RULE\n");
9c71f56a 754 rprintf(F," -F same as --filter='dir-merge /.rsync-filter'\n");
aa4d3b4c 755 rprintf(F," repeated: --filter='- .rsync-filter'\n");
2acf81eb 756 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
b3708acf 757 rprintf(F," --exclude-from=FILE read exclude patterns from FILE\n");
2acf81eb 758 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
b3708acf
WD
759 rprintf(F," --include-from=FILE read include patterns from FILE\n");
760 rprintf(F," --files-from=FILE read list of source-file names from FILE\n");
72316028 761 rprintf(F," -0, --from0 all *-from/filter files are delimited by 0s\n");
7a4addaa 762 rprintf(F," -s, --protect-args no space-splitting; only wildcard special-chars\n");
b4ef0bca 763 rprintf(F," --address=ADDRESS bind address for outgoing socket to daemon\n");
b4713295 764 rprintf(F," --port=PORT specify double-colon alternate port number\n");
831f06a5 765 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
db2b5cb7 766 rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
b3708acf 767 rprintf(F," --stats give some file-transfer stats\n");
a6a27602 768 rprintf(F," -8, --8-bit-output leave high-bit chars unescaped in output\n");
05724c07 769 rprintf(F," -h, --human-readable output numbers in a human-readable format\n");
dfa32483 770 rprintf(F," --progress show progress during transfer\n");
b3708acf 771 rprintf(F," -P same as --partial --progress\n");
b78296cb 772 rprintf(F," -i, --itemize-changes output a change-summary for all updates\n");
b3e4e7ef
WD
773 rprintf(F," --out-format=FORMAT output updates using the specified FORMAT\n");
774 rprintf(F," --log-file=FILE log what we're doing to the specified FILE\n");
775 rprintf(F," --log-file-format=FMT log updates using the specified FMT\n");
09a54c39 776 rprintf(F," --password-file=FILE read daemon-access password from FILE\n");
65e4cda0 777 rprintf(F," --list-only list the files instead of copying them\n");
ce795fcd 778 rprintf(F," --bwlimit=RATE limit socket I/O bandwidth\n");
b3708acf 779 rprintf(F," --write-batch=FILE write a batched update to FILE\n");
11e758a4 780 rprintf(F," --only-write-batch=FILE like --write-batch but w/o updating destination\n");
b3708acf 781 rprintf(F," --read-batch=FILE read a batched update from FILE\n");
da9f5926 782 rprintf(F," --protocol=NUM force an older protocol version to be used\n");
332cf6df 783#ifdef ICONV_OPTION
84e1a34e 784 rprintf(F," --iconv=CONVERT_SPEC request charset conversion of filenames\n");
332cf6df 785#endif
4db88e5b
WD
786 rprintf(F," -4, --ipv4 prefer IPv4\n");
787 rprintf(F," -6, --ipv6 prefer IPv6\n");
4a34c6f1 788 rprintf(F," --version print version number\n");
375d8f91 789 rprintf(F,"(-h) --help show this help (-h works with no other options)\n");
7a6421fa 790
b64ee91a
WD
791 rprintf(F,"\n");
792 rprintf(F,"Use \"rsync --daemon --help\" to see the daemon-mode command-line options.\n");
3ac7f5d4 793 rprintf(F,"Please see the rsync(1) and rsyncd.conf(5) man pages for full documentation.\n");
2855f61f 794 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
7a6421fa
AT
795}
796
3ac7f5d4 797enum {OPT_VERSION = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
05724c07 798 OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP,
e16adcdf 799 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD,
9ac756c6 800 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
951e826b 801 OPT_NO_D, OPT_APPEND, OPT_NO_ICONV, OPT_INFO, OPT_DEBUG,
ce795fcd 802 OPT_USERMAP, OPT_GROUPMAP, OPT_CHOWN, OPT_BWLIMIT,
0ccffd7c 803 OPT_SERVER, OPT_REFUSED_BASE = 9000};
7a6421fa 804
2855f61f
MP
805static struct poptOption long_options[] = {
806 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
05724c07 807 {"help", 0, POPT_ARG_NONE, 0, OPT_HELP, 0, 0 },
8db7cc2c 808 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
e86e2fa1 809 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
b6164938 810 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
4afcb709 811 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
951e826b
WD
812 {"info", 0, POPT_ARG_STRING, 0, OPT_INFO, 0, 0 },
813 {"debug", 0, POPT_ARG_STRING, 0, OPT_DEBUG, 0, 0 },
eabc85ef 814 {"msgs2stderr", 0, POPT_ARG_NONE, &msgs2stderr, 0, 0, 0 },
e86e2fa1 815 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
dc1f7b9e
WD
816 {"motd", 0, POPT_ARG_VAL, &output_motd, 1, 0, 0 },
817 {"no-motd", 0, POPT_ARG_VAL, &output_motd, 0, 0, 0 },
e86e2fa1 818 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
3ca9e5d8 819 {"human-readable", 'h', POPT_ARG_NONE, 0, 'h', 0, 0},
8487f9cf
WD
820 {"no-human-readable",0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
821 {"no-h", 0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
e86e2fa1 822 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
b6164938
WD
823 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
824 {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 },
825 {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
8487f9cf 826 {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
5275029d 827 {"inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
5275029d 828 {"no-inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
d6ca255c
WD
829 {"i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
830 {"no-i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
e86e2fa1 831 {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
b6164938
WD
832 {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
833 {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
73cb6738
WD
834 {"old-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
835 {"old-d", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
b6164938
WD
836 {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
837 {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
838 {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
344f9ba7 839 {"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 },
1c3344a1
WD
840 {"acls", 'A', POPT_ARG_NONE, 0, 'A', 0, 0 },
841 {"no-acls", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
842 {"no-A", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
16edf865
WD
843 {"xattrs", 'X', POPT_ARG_NONE, 0, 'X', 0, 0 },
844 {"no-xattrs", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
845 {"no-X", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
f9998046 846 {"times", 't', POPT_ARG_VAL, &preserve_times, 2, 0, 0 },
b6164938
WD
847 {"no-times", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
848 {"no-t", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
f9998046 849 {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 1, 0, 0 },
eb7a6e09
WD
850 {"no-omit-dir-times",0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
851 {"no-O", 0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
38b9170c 852 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
def97ff9
WD
853 {"super", 0, POPT_ARG_VAL, &am_root, 2, 0, 0 },
854 {"no-super", 0, POPT_ARG_VAL, &am_root, 0, 0, 0 },
9439c0cb 855 {"fake-super", 0, POPT_ARG_VAL, &am_root, -1, 0, 0 },
b6164938
WD
856 {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 },
857 {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
858 {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
859 {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 },
860 {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
861 {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
b5c6a6ae
WD
862 {0, 'D', POPT_ARG_NONE, 0, 'D', 0, 0 },
863 {"no-D", 0, POPT_ARG_NONE, 0, OPT_NO_D, 0, 0 },
864 {"devices", 0, POPT_ARG_VAL, &preserve_devices, 1, 0, 0 },
b6164938 865 {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
b5c6a6ae
WD
866 {"specials", 0, POPT_ARG_VAL, &preserve_specials, 1, 0, 0 },
867 {"no-specials", 0, POPT_ARG_VAL, &preserve_specials, 0, 0, 0 },
e86e2fa1 868 {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 },
b6164938
WD
869 {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
870 {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
e86e2fa1
WD
871 {"copy-links", 'L', POPT_ARG_NONE, &copy_links, 0, 0, 0 },
872 {"copy-unsafe-links",0, POPT_ARG_NONE, &copy_unsafe_links, 0, 0, 0 },
873 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
41adbcec
WD
874 {"munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 1, 0, 0 },
875 {"no-munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 0, 0, 0 },
2dbf36ef 876 {"copy-dirlinks", 'k', POPT_ARG_NONE, &copy_dirlinks, 0, 0, 0 },
e86e2fa1 877 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
e0e32031 878 {"hard-links", 'H', POPT_ARG_NONE, 0, 'H', 0, 0 },
beab3078
WD
879 {"no-hard-links", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
880 {"no-H", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
e86e2fa1
WD
881 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
882 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
b6164938 883 {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
2dbf36ef 884 {"implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
e86e2fa1 885 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
d6ca255c
WD
886 {"i-d", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
887 {"no-i-d", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
e16adcdf 888 {"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 },
afb6e945
WD
889 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
890 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
243c995f 891 {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 },
28fb6365
WD
892 {"no-one-file-system",'x',POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
893 {"no-x", 'x', POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
e86e2fa1 894 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
e90aab49 895 {"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
e90aab49 896 {"ignore-non-existing",0,POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
d2da915c 897 {"ignore-existing", 0, POPT_ARG_NONE, &ignore_existing, 0, 0, 0 },
aeb213ea 898 {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
74de13d1 899 {"min-size", 0, POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 },
852e763b
WD
900 {"sparse", 'S', POPT_ARG_VAL, &sparse_files, 1, 0, 0 },
901 {"no-sparse", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
902 {"no-S", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
903 {"inplace", 0, POPT_ARG_VAL, &inplace, 1, 0, 0 },
904 {"no-inplace", 0, POPT_ARG_VAL, &inplace, 0, 0, 0 },
936fa865
WD
905 {"append", 0, POPT_ARG_NONE, 0, OPT_APPEND, 0, 0 },
906 {"append-verify", 0, POPT_ARG_VAL, &append_mode, 2, 0, 0 },
907 {"no-append", 0, POPT_ARG_VAL, &append_mode, 0, 0, 0 },
3671987f 908 {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
3359acb8 909 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
e0e32031 910 {"delete-before", 0, POPT_ARG_NONE, &delete_before, 0, 0, 0 },
b0cacef1
WD
911 {"delete-during", 0, POPT_ARG_VAL, &delete_during, 1, 0, 0 },
912 {"delete-delay", 0, POPT_ARG_VAL, &delete_during, 2, 0, 0 },
51d48398
WD
913 {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
914 {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
42d8ec61
WD
915 {"delete-missing-args",0,POPT_BIT_SET, &missing_args, 2, 0, 0 },
916 {"ignore-missing-args",0,POPT_BIT_SET, &missing_args, 1, 0, 0 },
47c11975
WD
917 {"remove-sent-files",0, POPT_ARG_VAL, &remove_source_files, 2, 0, 0 }, /* deprecated */
918 {"remove-source-files",0,POPT_ARG_VAL, &remove_source_files, 1, 0, 0 },
852e763b
WD
919 {"force", 0, POPT_ARG_VAL, &force_delete, 1, 0, 0 },
920 {"no-force", 0, POPT_ARG_VAL, &force_delete, 0, 0, 0 },
921 {"ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 1, 0, 0 },
922 {"no-ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 0, 0, 0 },
e86e2fa1
WD
923 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
924 {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
aa4d3b4c 925 {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
8db7cc2c
WD
926 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
927 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
928 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
929 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
afb6e945 930 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
afb6e945
WD
931 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
932 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
b6164938 933 {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
8487f9cf
WD
934 {"checksum", 'c', POPT_ARG_VAL, &always_checksum, 1, 0, 0 },
935 {"no-checksum", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
936 {"no-c", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
a06b419d 937 {"block-size", 'B', POPT_ARG_LONG, &block_size, 0, 0, 0 },
e012f858 938 {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
1de3e99b 939 {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
e012f858 940 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
852e763b
WD
941 {"fuzzy", 'y', POPT_ARG_VAL, &fuzzy_basis, 1, 0, 0 },
942 {"no-fuzzy", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
492ad042 943 {"no-y", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
854a1aad 944 {"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 },
8487f9cf
WD
945 {"no-compress", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 },
946 {"no-z", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 },
852e763b 947 {"skip-compress", 0, POPT_ARG_STRING, &skip_compress, 0, 0, 0 },
854a1aad 948 {"compress-level", 0, POPT_ARG_INT, &def_compress_level, 'z', 0, 0 },
11bfaf63 949 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
b6164938
WD
950 {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 },
951 {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 },
952 {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 },
953 {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 },
a7260c40 954 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
8487f9cf
WD
955 {"delay-updates", 0, POPT_ARG_VAL, &delay_updates, 1, 0, 0 },
956 {"no-delay-updates", 0, POPT_ARG_VAL, &delay_updates, 0, 0, 0 },
852e763b
WD
957 {"prune-empty-dirs",'m', POPT_ARG_VAL, &prune_empty_dirs, 1, 0, 0 },
958 {"no-prune-empty-dirs",0,POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
959 {"no-m", 0, POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
87c0f9d6 960 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
b3e4e7ef
WD
961 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
962 {"out-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 },
963 {"log-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 }, /* DEPRECATED */
487094a0 964 {"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 },
8487f9cf
WD
965 {"no-itemize-changes",0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
966 {"no-i", 0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
ce795fcd 967 {"bwlimit", 0, POPT_ARG_STRING, &bwlimit_arg, OPT_BWLIMIT, 0, 0 },
8487f9cf
WD
968 {"no-bwlimit", 0, POPT_ARG_VAL, &bwlimit, 0, 0, 0 },
969 {"backup", 'b', POPT_ARG_VAL, &make_backups, 1, 0, 0 },
970 {"no-backup", 0, POPT_ARG_VAL, &make_backups, 0, 0, 0 },
afb6e945 971 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
e86e2fa1
WD
972 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
973 {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
8db7cc2c
WD
974 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
975 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
11e758a4 976 {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
ea5164d1 977 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
8487f9cf
WD
978 {"from0", '0', POPT_ARG_VAL, &eol_nulls, 1, 0, 0},
979 {"no-from0", 0, POPT_ARG_VAL, &eol_nulls, 0, 0, 0},
c35d6e35
WD
980 {"protect-args", 's', POPT_ARG_VAL, &protect_args, 1, 0, 0},
981 {"no-protect-args", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
982 {"no-s", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
8487f9cf
WD
983 {"numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 1, 0, 0 },
984 {"no-numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 0, 0, 0 },
2df20057
WD
985 {"usermap", 0, POPT_ARG_STRING, 0, OPT_USERMAP, 0, 0 },
986 {"groupmap", 0, POPT_ARG_STRING, 0, OPT_GROUPMAP, 0, 0 },
987 {"chown", 0, POPT_ARG_STRING, 0, OPT_CHOWN, 0, 0 },
e86e2fa1 988 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
8487f9cf 989 {"no-timeout", 0, POPT_ARG_VAL, &io_timeout, 0, 0, 0 },
ba22c9e2 990 {"contimeout", 0, POPT_ARG_INT, &connect_timeout, 0, 0, 0 },
852e763b 991 {"no-contimeout", 0, POPT_ARG_VAL, &connect_timeout, 0, 0, 0 },
e86e2fa1
WD
992 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
993 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
994 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
332cf6df
WD
995#ifdef ICONV_OPTION
996 {"iconv", 0, POPT_ARG_STRING, &iconv_opt, 0, 0, 0 },
0b52f94d 997 {"no-iconv", 0, POPT_ARG_NONE, 0, OPT_NO_ICONV, 0, 0 },
332cf6df 998#endif
3dd22903
WD
999 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
1000 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
852e763b
WD
1001 {"8-bit-output", '8', POPT_ARG_VAL, &allow_8bit_chars, 1, 0, 0 },
1002 {"no-8-bit-output", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
1003 {"no-8", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
8487f9cf 1004 {"qsort", 0, POPT_ARG_NONE, &use_qsort, 0, 0, 0 },
e86e2fa1
WD
1005 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
1006 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
831f06a5 1007 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
e86e2fa1
WD
1008 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
1009 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
1010 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
7a2eca41 1011 {"remote-option", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
e86e2fa1
WD
1012 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
1013 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
0ccffd7c 1014 {"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 },
e86e2fa1
WD
1015 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
1016 /* All the following options switch us into daemon-mode option-parsing. */
3ac7f5d4
WD
1017 {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
1018 {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
2206abf8 1019 {"dparam", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
1f35babc 1020 {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
3ac7f5d4 1021 {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
3ac7f5d4
WD
1022 {0,0,0,0, 0, 0, 0}
1023};
1024
1025static void daemon_usage(enum logcode F)
1026{
1027 print_rsync_version(F);
1028
b64ee91a
WD
1029 rprintf(F,"\n");
1030 rprintf(F,"Usage: rsync --daemon [OPTION]...\n");
3ac7f5d4 1031 rprintf(F," --address=ADDRESS bind to the specified address\n");
ce795fcd 1032 rprintf(F," --bwlimit=RATE limit socket I/O bandwidth\n");
3ac7f5d4 1033 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
2206abf8 1034 rprintf(F," -M, --dparam=OVERRIDE override global daemon config parameter\n");
3ac7f5d4 1035 rprintf(F," --no-detach do not detach from the parent\n");
b3708acf 1036 rprintf(F," --port=PORT listen on alternate port number\n");
87c0f9d6 1037 rprintf(F," --log-file=FILE override the \"log file\" setting\n");
232658d9 1038 rprintf(F," --log-file-format=FMT override the \"log format\" setting\n");
831f06a5 1039 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
1bd9db74 1040 rprintf(F," -v, --verbose increase verbosity\n");
3ac7f5d4
WD
1041 rprintf(F," -4, --ipv4 prefer IPv4\n");
1042 rprintf(F," -6, --ipv6 prefer IPv6\n");
05724c07 1043 rprintf(F," --help show this help screen\n");
3ac7f5d4 1044
b64ee91a
WD
1045 rprintf(F,"\n");
1046 rprintf(F,"If you were not trying to invoke rsync as a daemon, avoid using any of the\n");
3ac7f5d4
WD
1047 rprintf(F,"daemon-specific rsync options. See also the rsyncd.conf(5) man page.\n");
1048}
1049
1050static struct poptOption long_daemon_options[] = {
1051 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
1052 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
9fb08441 1053 {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
3ac7f5d4
WD
1054 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
1055 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
2206abf8 1056 {"dparam", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
3ac7f5d4
WD
1057 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
1058 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
1f35babc 1059 {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
8487f9cf 1060 {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
87c0f9d6 1061 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
232658d9 1062 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
3ac7f5d4 1063 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
831f06a5 1064 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
3ac7f5d4
WD
1065 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
1066 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
b8cc3587 1067 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
1bd9db74 1068 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
b6e22a47
WD
1069 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
1070 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
3ac7f5d4 1071 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
ad715008 1072 {0,0,0,0, 0, 0, 0}
2855f61f 1073};
7a6421fa 1074
06963d0f 1075
e51094b7 1076static char err_buf[200];
cd8185f2 1077
2855f61f 1078
dafe63ca
MP
1079/**
1080 * Store the option error message, if any, so that we can log the
1081 * connection attempt (which requires parsing the options), and then
1082 * show the error later on.
1083 **/
cd8185f2
AT
1084void option_error(void)
1085{
e51094b7 1086 if (!err_buf[0]) {
c9bce0b8
WD
1087 strlcpy(err_buf, "Error parsing options: option may "
1088 "be supported on client but not on server?\n",
1089 sizeof err_buf);
cd8185f2 1090 }
e51094b7 1091
e51094b7 1092 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
8f1dc165 1093 msleep(20);
cd8185f2
AT
1094}
1095
dafe63ca
MP
1096
1097/**
27ed20f7
WD
1098 * Tweak the option table to disable all options that the rsyncd.conf
1099 * file has told us to refuse.
dafe63ca 1100 **/
27ed20f7 1101static void set_refuse_options(char *bp)
cd8185f2 1102{
27ed20f7 1103 struct poptOption *op;
093e816c 1104 char *cp, shortname[2];
d73e7f6e 1105 int is_wild, found_match;
093e816c
WD
1106
1107 shortname[1] = '\0';
27ed20f7
WD
1108
1109 while (1) {
06a50542
WD
1110 while (*bp == ' ') bp++;
1111 if (!*bp)
1112 break;
27ed20f7
WD
1113 if ((cp = strchr(bp, ' ')) != NULL)
1114 *cp= '\0';
093e816c 1115 is_wild = strpbrk(bp, "*?[") != NULL;
d73e7f6e 1116 found_match = 0;
55afbb52 1117 for (op = long_options; ; op++) {
093e816c 1118 *shortname = op->shortName;
d73e7f6e
WD
1119 if (!op->longName && !*shortname)
1120 break;
1121 if ((op->longName && wildmatch(bp, op->longName))
684d7582 1122 || (*shortname && wildmatch(bp, shortname))) {
e57211c5
WD
1123 if (op->argInfo == POPT_ARG_VAL)
1124 op->argInfo = POPT_ARG_NONE;
06a50542 1125 op->val = (op - long_options) + OPT_REFUSED_BASE;
d73e7f6e 1126 found_match = 1;
3671987f
WD
1127 /* These flags are set to let us easily check
1128 * an implied option later in the code. */
1129 switch (*shortname) {
3671987f
WD
1130 case 'r': case 'd': case 'l': case 'p':
1131 case 't': case 'g': case 'o': case 'D':
1132 refused_archive_part = op->val;
1133 break;
854a1aad
WD
1134 case 'z':
1135 refused_compress = op->val;
1136 break;
3671987f
WD
1137 case '\0':
1138 if (wildmatch("delete", op->longName))
1139 refused_delete = op->val;
3296f91b
WD
1140 else if (wildmatch("delete-before", op->longName))
1141 refused_delete_before = op->val;
e0e32031
WD
1142 else if (wildmatch("delete-during", op->longName))
1143 refused_delete_during = op->val;
3671987f
WD
1144 else if (wildmatch("partial", op->longName))
1145 refused_partial = op->val;
1146 else if (wildmatch("progress", op->longName))
1147 refused_progress = op->val;
a015788d
WD
1148 else if (wildmatch("inplace", op->longName))
1149 refused_inplace = op->val;
0b52f94d
WD
1150 else if (wildmatch("no-iconv", op->longName))
1151 refused_no_iconv = op->val;
3671987f
WD
1152 break;
1153 }
06a50542
WD
1154 if (!is_wild)
1155 break;
27ed20f7 1156 }
cd8185f2 1157 }
d73e7f6e
WD
1158 if (!found_match) {
1159 rprintf(FLOG, "No match for refuse-options string \"%s\"\n",
1160 bp);
1161 }
27ed20f7
WD
1162 if (!cp)
1163 break;
1164 *cp = ' ';
1165 bp = cp + 1;
cd8185f2 1166 }
cd8185f2
AT
1167}
1168
1169
8db7cc2c 1170static int count_args(const char **argv)
2855f61f 1171{
dfa32483 1172 int i = 0;
2855f61f 1173
8db7cc2c
WD
1174 if (argv) {
1175 while (argv[i] != NULL)
1176 i++;
1177 }
dfa32483
WD
1178
1179 return i;
2855f61f
MP
1180}
1181
1182
837d01dd 1183static OFF_T parse_size_arg(char **size_arg, char def_suf)
95e107db 1184{
3c19f72c
WD
1185 int reps, mult, make_compatible = 0;
1186 const char *arg;
1187 OFF_T size = 1;
95e107db 1188
2dc7b8bd 1189 for (arg = *size_arg; isDigit(arg); arg++) {}
95e107db 1190 if (*arg == '.')
2dc7b8bd 1191 for (arg++; isDigit(arg); arg++) {}
3c19f72c 1192 switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) {
837d01dd 1193 case 'b': case 'B':
3c19f72c 1194 reps = 0;
837d01dd 1195 break;
95e107db 1196 case 'k': case 'K':
3c19f72c 1197 reps = 1;
95e107db
WD
1198 break;
1199 case 'm': case 'M':
3c19f72c 1200 reps = 2;
95e107db
WD
1201 break;
1202 case 'g': case 'G':
3c19f72c 1203 reps = 3;
95e107db
WD
1204 break;
1205 default:
3c19f72c 1206 return -1;
95e107db 1207 }
3c19f72c
WD
1208 if (*arg == 'b' || *arg == 'B')
1209 mult = 1000, make_compatible = 1, arg++;
1210 else if (!*arg || *arg == '+' || *arg == '-')
1211 mult = 1024;
1212 else if (strncasecmp(arg, "ib", 2) == 0)
1213 mult = 1024, arg += 2;
1214 else
1215 return -1;
1216 while (reps--)
1217 size *= mult;
1218 size *= atof(*size_arg);
1219 if ((*arg == '+' || *arg == '-') && arg[1] == '1')
1220 size += atoi(arg), make_compatible = 1, arg += 2;
1221 if (*arg)
1222 return -1;
ce795fcd 1223 if (size > 0 && make_compatible && def_suf == 'b') {
74de13d1
WD
1224 /* We convert this manually because we may need %lld precision,
1225 * and that's not a portable sprintf() escape. */
8f14cc49 1226 char buf[128], *s = buf + sizeof buf - 1;
aeb213ea 1227 OFF_T num = size;
8f14cc49 1228 *s = '\0';
aeb213ea 1229 while (num) {
26404276 1230 *--s = (char)(num % 10) + '0';
aeb213ea
WD
1231 num /= 10;
1232 }
1233 if (!(*size_arg = strdup(s)))
1234 out_of_memory("parse_size_arg");
1235 }
95e107db
WD
1236 return size;
1237}
1238
1239
3671987f
WD
1240static void create_refuse_error(int which)
1241{
1242 /* The "which" value is the index + OPT_REFUSED_BASE. */
1243 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
1244 int n = snprintf(err_buf, sizeof err_buf,
1245 "The server is configured to refuse --%s\n",
1246 op->longName) - 1;
1247 if (op->shortName) {
1248 snprintf(err_buf + n, sizeof err_buf - n,
1249 " (-%c)\n", op->shortName);
1250 }
1251}
1252
1253
dafe63ca
MP
1254/**
1255 * Process command line arguments. Called on both local and remote.
1256 *
1257 * @retval 1 if all options are OK; with globals set to appropriate
1258 * values
1259 *
1260 * @retval 0 on error, with err_buf containing an explanation
1261 **/
53936ef9 1262int parse_arguments(int *argc_p, const char ***argv_p)
7a6421fa 1263{
7a4addaa 1264 static poptContext pc;
ffbffc64
WD
1265 char *ref = lp_refuse_options(module_id);
1266 const char *arg, **argv = *argv_p;
1267 int argc = *argc_p;
1268 int opt;
d853783f 1269
27ed20f7
WD
1270 if (ref && *ref)
1271 set_refuse_options(ref);
0b52f94d 1272 if (am_daemon) {
232658d9 1273 set_refuse_options("log-file*");
2357a51e 1274#ifdef ICONV_OPTION
0b52f94d
WD
1275 if (!*lp_charset(module_id))
1276 set_refuse_options("iconv");
2357a51e 1277#endif
0b52f94d 1278 }
27ed20f7 1279
332cf6df 1280#ifdef ICONV_OPTION
4c4a2962 1281 if (!am_daemon && protect_args <= 0 && (arg = getenv("RSYNC_ICONV")) != NULL && *arg)
332cf6df
WD
1282 iconv_opt = strdup(arg);
1283#endif
1284
dfa32483 1285 /* TODO: Call poptReadDefaultConfig; handle errors. */
cd8185f2 1286
dfa32483
WD
1287 /* The context leaks in case of an error, but if there's a
1288 * problem we always exit anyhow. */
7a4addaa
WD
1289 if (pc)
1290 poptFreeContext(pc);
1291 pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
1292 if (!am_server)
1293 poptReadDefaultConfig(pc, 0);
2855f61f
MP
1294
1295 while ((opt = poptGetNextOpt(pc)) != -1) {
dfa32483
WD
1296 /* most options are handled automatically by popt;
1297 * only special cases are returned and listed here. */
2855f61f 1298
d853783f
AT
1299 switch (opt) {
1300 case OPT_VERSION:
dfa32483 1301 print_rsync_version(FINFO);
d853783f 1302 exit_cleanup(0);
dfa32483 1303
0ccffd7c
WD
1304 case OPT_SERVER:
1305 if (!am_server) {
1306 /* Disable popt aliases on the server side and
1307 * then start parsing the options again. */
1308 poptFreeContext(pc);
ffbffc64 1309 pc = poptGetContext(RSYNC_NAME, argc, argv,
0ccffd7c
WD
1310 long_options, 0);
1311 am_server = 1;
1312 }
332cf6df
WD
1313#ifdef ICONV_OPTION
1314 iconv_opt = NULL;
1315#endif
0ccffd7c
WD
1316 break;
1317
1318 case OPT_SENDER:
1319 if (!am_server) {
1320 usage(FERROR);
1321 exit_cleanup(RERR_SYNTAX);
1322 }
1323 am_sender = 1;
1324 break;
1325
3ac7f5d4
WD
1326 case OPT_DAEMON:
1327 if (am_daemon) {
c9bce0b8
WD
1328 strlcpy(err_buf,
1329 "Attempt to hack rsync thwarted!\n",
1330 sizeof err_buf);
3ac7f5d4
WD
1331 return 0;
1332 }
332cf6df
WD
1333#ifdef ICONV_OPTION
1334 iconv_opt = NULL;
1335#endif
4c4a2962 1336 protect_args = 0;
3ac7f5d4 1337 poptFreeContext(pc);
ffbffc64 1338 pc = poptGetContext(RSYNC_NAME, argc, argv,
3ac7f5d4
WD
1339 long_daemon_options, 0);
1340 while ((opt = poptGetNextOpt(pc)) != -1) {
2206abf8 1341 char **cpp;
3ac7f5d4
WD
1342 switch (opt) {
1343 case 'h':
1344 daemon_usage(FINFO);
1345 exit_cleanup(0);
1346
2206abf8
WD
1347 case 'M':
1348 arg = poptGetOptArg(pc);
1349 if (!strchr(arg, '=')) {
1350 rprintf(FERROR,
1351 "--dparam value is missing an '=': %s\n",
1352 arg);
1353 goto daemon_error;
1354 }
1355 cpp = EXPAND_ITEM_LIST(&dparam_list, char *, 4);
1356 *cpp = strdup(arg);
1357 break;
1358
1bd9db74
WD
1359 case 'v':
1360 verbose++;
1361 break;
1362
3ac7f5d4
WD
1363 default:
1364 rprintf(FERROR,
1365 "rsync: %s: %s (in daemon mode)\n",
1366 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1367 poptStrerror(opt));
1368 goto daemon_error;
1369 }
1370 }
b6e22a47 1371
2206abf8
WD
1372 if (dparam_list.count && !set_dparams(1))
1373 exit_cleanup(RERR_SYNTAX);
1374
b6e22a47
WD
1375 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
1376 snprintf(err_buf, sizeof err_buf,
1377 "the --temp-dir path is WAY too long.\n");
1378 return 0;
1379 }
1380
3ac7f5d4
WD
1381 if (!daemon_opt) {
1382 rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
1383 daemon_error:
1384 rprintf(FERROR,
1385 "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
1386 exit_cleanup(RERR_SYNTAX);
1387 }
b6e22a47 1388
ffbffc64
WD
1389 *argv_p = argv = poptGetArgs(pc);
1390 *argc_p = argc = count_args(argv);
7f2a1f65 1391 am_starting_up = 0;
3ac7f5d4
WD
1392 daemon_opt = 0;
1393 am_daemon = 1;
1394 return 1;
1395
5b56cc19 1396 case OPT_MODIFY_WINDOW:
dfa32483
WD
1397 /* The value has already been set by popt, but
1398 * we need to remember that we're using a
1399 * non-default setting. */
5b56cc19
AT
1400 modify_window_set = 1;
1401 break;
1de50993 1402
aa4d3b4c 1403 case OPT_FILTER:
c8fa85b2
MM
1404 parse_filter_str(&filter_list, poptGetOptArg(pc),
1405 rule_template(0), 0);
d853783f
AT
1406 break;
1407
aa4d3b4c 1408 case OPT_EXCLUDE:
c8fa85b2
MM
1409 parse_filter_str(&filter_list, poptGetOptArg(pc),
1410 rule_template(0), XFLG_OLD_PREFIXES);
aa4d3b4c
WD
1411 break;
1412
d853783f 1413 case OPT_INCLUDE:
c8fa85b2
MM
1414 parse_filter_str(&filter_list, poptGetOptArg(pc),
1415 rule_template(FILTRULE_INCLUDE), XFLG_OLD_PREFIXES);
d853783f
AT
1416 break;
1417
1418 case OPT_EXCLUDE_FROM:
93695764 1419 case OPT_INCLUDE_FROM:
7be73df4 1420 arg = poptGetOptArg(pc);
1a7f3d99 1421 if (sanitize_paths)
d48810ba 1422 arg = sanitize_path(NULL, arg, NULL, 0, SP_DEFAULT);
819bfe45 1423 if (daemon_filter_list.head) {
200aec7d 1424 int rej;
2907af47 1425 char *cp = strdup(arg);
d3ef9859
WD
1426 if (!cp)
1427 out_of_memory("parse_arguments");
3671987f 1428 if (!*cp)
2907af47
WD
1429 rej = 1;
1430 else {
1431 char *dir = cp + (*cp == '/' ? module_dirlen : 0);
1432 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1433 rej = check_filter(&daemon_filter_list, FLOG, dir, 0) < 0;
1434 }
d3ef9859 1435 free(cp);
200aec7d
WD
1436 if (rej)
1437 goto options_rejected;
ba3db479 1438 }
3a5e9224 1439 parse_filter_file(&filter_list, arg,
c8fa85b2 1440 rule_template(opt == OPT_INCLUDE_FROM ? FILTRULE_INCLUDE : 0),
3a5e9224 1441 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
93695764
DD
1442 break;
1443
b6164938
WD
1444 case 'a':
1445 if (refused_archive_part) {
1446 create_refuse_error(refused_archive_part);
1447 return 0;
1448 }
1449 if (!recurse) /* preserve recurse == 2 */
1450 recurse = 1;
1451#ifdef SUPPORT_LINKS
1452 preserve_links = 1;
1453#endif
1454 preserve_perms = 1;
f9998046 1455 preserve_times = 2;
b6164938
WD
1456 preserve_gid = 1;
1457 preserve_uid = 1;
1458 preserve_devices = 1;
b5c6a6ae
WD
1459 preserve_specials = 1;
1460 break;
1461
1462 case 'D':
1463 preserve_devices = preserve_specials = 1;
1464 break;
1465
1466 case OPT_NO_D:
1467 preserve_devices = preserve_specials = 0;
b6164938
WD
1468 break;
1469
3ca9e5d8
WD
1470 case 'h':
1471 human_readable++;
1472 break;
1473
e0e32031
WD
1474 case 'H':
1475 preserve_hard_links++;
1476 break;
1477
487094a0
WD
1478 case 'i':
1479 itemize_changes++;
1480 break;
1481
d853783f
AT
1482 case 'v':
1483 verbose++;
1484 break;
7a6421fa 1485
b86f0cef 1486 case 'q':
53936ef9 1487 quiet++;
b86f0cef
DD
1488 break;
1489
243c995f
WD
1490 case 'x':
1491 one_file_system++;
1492 break;
1493
aa4d3b4c
WD
1494 case 'F':
1495 switch (++F_option_cnt) {
1496 case 1:
c8fa85b2 1497 parse_filter_str(&filter_list,": /.rsync-filter",rule_template(0),0);
aa4d3b4c
WD
1498 break;
1499 case 2:
c8fa85b2 1500 parse_filter_str(&filter_list,"- .rsync-filter",rule_template(0),0);
aa4d3b4c
WD
1501 break;
1502 }
1503 break;
1504
d9fcc198 1505 case 'P':
3671987f
WD
1506 if (refused_partial || refused_progress) {
1507 create_refuse_error(refused_partial
1508 ? refused_partial : refused_progress);
1509 return 0;
1510 }
d9fcc198
AT
1511 do_progress = 1;
1512 keep_partial = 1;
1513 break;
1514
854a1aad
WD
1515 case 'z':
1516 if (def_compress_level < Z_DEFAULT_COMPRESSION
1517 || def_compress_level > Z_BEST_COMPRESSION) {
1518 snprintf(err_buf, sizeof err_buf,
1519 "--compress-level value is invalid: %d\n",
1520 def_compress_level);
1521 return 0;
1522 }
1523 do_compression = def_compress_level != Z_NO_COMPRESSION;
1524 if (do_compression && refused_compress) {
1525 create_refuse_error(refused_compress);
1526 return 0;
1527 }
1528 break;
1529
7a2eca41
WD
1530 case 'M':
1531 arg = poptGetOptArg(pc);
1532 if (*arg != '-') {
1533 snprintf(err_buf, sizeof err_buf,
1534 "Remote option must start with a dash: %s\n", arg);
1535 return 0;
1536 }
1537 if (remote_option_cnt+2 >= remote_option_alloc) {
1538 remote_option_alloc += 16;
1539 remote_options = realloc_array(remote_options,
1540 const char *, remote_option_alloc);
1541 if (!remote_options)
1542 out_of_memory("parse_arguments");
1543 if (!remote_option_cnt)
1544 remote_options[0] = "ARG0";
1545 }
1546 remote_options[++remote_option_cnt] = arg;
1547 remote_options[remote_option_cnt+1] = NULL;
1548 break;
1549
088aac85 1550 case OPT_WRITE_BATCH:
9b3318b0 1551 /* batch_name is already set */
088aac85
DD
1552 write_batch = 1;
1553 break;
1554
11e758a4
WD
1555 case OPT_ONLY_WRITE_BATCH:
1556 /* batch_name is already set */
1557 write_batch = -1;
1558 break;
1559
76f79ba7 1560 case OPT_READ_BATCH:
9b3318b0 1561 /* batch_name is already set */
6902ed17
MP
1562 read_batch = 1;
1563 break;
ea5164d1 1564
0b52f94d 1565 case OPT_NO_ICONV:
15dbffc2 1566#ifdef ICONV_OPTION
0b52f94d 1567 iconv_opt = NULL;
15dbffc2 1568#endif
0b52f94d
WD
1569 break;
1570
7d5acf1d 1571 case OPT_MAX_SIZE:
837d01dd 1572 if ((max_size = parse_size_arg(&max_size_arg, 'b')) <= 0) {
e012f858 1573 snprintf(err_buf, sizeof err_buf,
7d5acf1d
WD
1574 "--max-size value is invalid: %s\n",
1575 max_size_arg);
e012f858 1576 return 0;
7d5acf1d
WD
1577 }
1578 break;
1579
74de13d1
WD
1580 case OPT_MIN_SIZE:
1581 if ((min_size = parse_size_arg(&min_size_arg, 'b')) <= 0) {
1582 snprintf(err_buf, sizeof err_buf,
1583 "--min-size value is invalid: %s\n",
1584 min_size_arg);
1585 return 0;
1586 }
1587 break;
1588
ce795fcd
WD
1589 case OPT_BWLIMIT:
1590 {
1591 OFF_T limit = parse_size_arg(&bwlimit_arg, 'K');
1592 if (limit < 0) {
1593 snprintf(err_buf, sizeof err_buf,
1594 "--bwlimit value is invalid: %s\n", bwlimit_arg);
1595 return 0;
1596 }
1597 bwlimit = (limit + 512) / 1024;
1598 if (limit && !bwlimit) {
1599 snprintf(err_buf, sizeof err_buf,
1600 "--bwlimit value is too small: %s\n", bwlimit_arg);
1601 return 0;
1602 }
1603 }
1604 break;
1605
936fa865
WD
1606 case OPT_APPEND:
1607 if (am_server)
1608 append_mode++;
1609 else
1610 append_mode = 1;
1611 break;
1612
59c95e42 1613 case OPT_LINK_DEST:
fcecb70b 1614#ifdef SUPPORT_HARD_LINKS
59c95e42 1615 link_dest = 1;
e012f858
WD
1616 dest_option = "--link-dest";
1617 goto set_dest_dir;
59c95e42 1618#else
d175d7e1 1619 snprintf(err_buf, sizeof err_buf,
dfa32483 1620 "hard links are not supported on this %s\n",
59c95e42 1621 am_server ? "server" : "client");
59c95e42
DD
1622 return 0;
1623#endif
1624
1de3e99b
WD
1625 case OPT_COPY_DEST:
1626 copy_dest = 1;
1627 dest_option = "--copy-dest";
1628 goto set_dest_dir;
1629
e012f858
WD
1630 case OPT_COMPARE_DEST:
1631 compare_dest = 1;
1632 dest_option = "--compare-dest";
1633 set_dest_dir:
3b26bba0 1634 if (basis_dir_cnt >= MAX_BASIS_DIRS) {
e012f858
WD
1635 snprintf(err_buf, sizeof err_buf,
1636 "ERROR: at most %d %s args may be specified\n",
1637 MAX_BASIS_DIRS, dest_option);
1638 return 0;
1639 }
ad77db8b
WD
1640 /* We defer sanitizing this arg until we know what
1641 * our destination directory is going to be. */
1642 basis_dir[basis_dir_cnt++] = (char *)poptGetOptArg(pc);
e012f858
WD
1643 break;
1644
e16adcdf
WD
1645 case OPT_CHMOD:
1646 arg = poptGetOptArg(pc);
bbe42182 1647 if (!parse_chmod(arg, &chmod_modes)) {
e16adcdf
WD
1648 snprintf(err_buf, sizeof err_buf,
1649 "Invalid argument passed to --chmod (%s)\n",
1650 arg);
1651 return 0;
1652 }
1653 break;
1654
951e826b
WD
1655 case OPT_INFO:
1656 arg = poptGetOptArg(pc);
1657 parse_output_words(info_words, info_levels, arg, USER_PRIORITY);
1658 break;
1659
1660 case OPT_DEBUG:
1661 arg = poptGetOptArg(pc);
1662 parse_output_words(debug_words, debug_levels, arg, USER_PRIORITY);
1663 break;
1664
2df20057
WD
1665 case OPT_USERMAP:
1666 if (usermap) {
1667 if (usermap_via_chown) {
1668 snprintf(err_buf, sizeof err_buf,
1669 "--usermap conflicts with prior --chown.\n");
1670 return 0;
1671 }
1672 snprintf(err_buf, sizeof err_buf,
1673 "You can only specify --usermap once.\n");
1674 return 0;
1675 }
1676 usermap = (char *)poptGetOptArg(pc);
1677 usermap_via_chown = False;
1678 break;
1679
1680 case OPT_GROUPMAP:
1681 if (groupmap) {
1682 if (groupmap_via_chown) {
1683 snprintf(err_buf, sizeof err_buf,
1684 "--groupmap conflicts with prior --chown.\n");
1685 return 0;
1686 }
1687 snprintf(err_buf, sizeof err_buf,
1688 "You can only specify --groupmap once.\n");
1689 return 0;
1690 }
1691 groupmap = (char *)poptGetOptArg(pc);
1692 groupmap_via_chown = False;
1693 break;
1694
1695 case OPT_CHOWN: {
1696 const char *chown = poptGetOptArg(pc);
1697 int len;
1698 if ((arg = strchr(chown, ':')) != NULL)
1699 len = arg++ - chown;
1700 else
1701 len = strlen(chown);
1702 if (len) {
1703 if (usermap) {
1704 if (!usermap_via_chown) {
1705 snprintf(err_buf, sizeof err_buf,
1706 "--chown conflicts with prior --usermap.\n");
1707 return 0;
1708 }
1709 snprintf(err_buf, sizeof err_buf,
1710 "You can only specify a user-affecting --chown once.\n");
1711 return 0;
1712 }
1713 if (asprintf(&usermap, "*:%.*s", len, chown) < 0)
1714 out_of_memory("parse_arguments");
1715 usermap_via_chown = True;
1716 }
1717 if (arg && *arg) {
1718 if (groupmap) {
1719 if (!groupmap_via_chown) {
1720 snprintf(err_buf, sizeof err_buf,
1721 "--chown conflicts with prior --groupmap.\n");
1722 return 0;
1723 }
1724 snprintf(err_buf, sizeof err_buf,
1725 "You can only specify a group-affecting --chown once.\n");
1726 return 0;
1727 }
1728 if (asprintf(&groupmap, "*:%s", arg) < 0)
1729 out_of_memory("parse_arguments");
1730 groupmap_via_chown = True;
1731 }
1732 break;
1733 }
1734
f5a910dd
WD
1735 case OPT_HELP:
1736 usage(FINFO);
1737 exit_cleanup(0);
1738
1c3344a1
WD
1739 case 'A':
1740#ifdef SUPPORT_ACLS
1741 preserve_acls = 1;
1742 preserve_perms = 1;
1743 break;
1744#else
1745 /* FIXME: this should probably be ignored with a
eb8f5c74
WD
1746 * warning and then countermeasures taken to
1747 * restrict group and other access in the presence
1748 * of any more restrictive ACLs, but this is safe
1c3344a1
WD
1749 * for now */
1750 snprintf(err_buf,sizeof(err_buf),
1751 "ACLs are not supported on this %s\n",
1752 am_server ? "server" : "client");
1753 return 0;
1754#endif
1755
16edf865
WD
1756 case 'X':
1757#ifdef SUPPORT_XATTRS
524eaa82 1758 preserve_xattrs++;
16edf865
WD
1759 break;
1760#else
1761 snprintf(err_buf,sizeof(err_buf),
1762 "extended attributes are not supported on this %s\n",
1763 am_server ? "server" : "client");
1764 return 0;
1765#endif
1c3344a1 1766
d853783f 1767 default:
55afbb52 1768 /* A large opt value means that set_refuse_options()
3671987f 1769 * turned this option off. */
c67d1386 1770 if (opt >= OPT_REFUSED_BASE) {
3671987f
WD
1771 create_refuse_error(opt);
1772 return 0;
27ed20f7 1773 }
3671987f
WD
1774 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
1775 am_server ? "on remote machine: " : "",
1776 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1777 poptStrerror(opt));
dfa32483 1778 return 0;
d853783f 1779 }
7a6421fa 1780 }
2855f61f 1781
4c4a2962 1782 if (protect_args < 0) {
2b2a4738
WD
1783 if (am_server)
1784 protect_args = 0;
1785 else if ((arg = getenv("RSYNC_PROTECT_ARGS")) != NULL && *arg)
1786 protect_args = atoi(arg) ? 1 : 0;
1787 else {
4c4a2962 1788#ifdef RSYNC_USE_PROTECTED_ARGS
4c4a2962 1789 protect_args = 1;
2b2a4738 1790#else
4c4a2962 1791 protect_args = 0;
2b2a4738
WD
1792#endif
1793 }
4c4a2962
WD
1794 }
1795
adc2476f 1796 if (human_readable > 1 && argc == 2 && !am_server) {
3ca9e5d8 1797 /* Allow the old meaning of 'h' (--help) on its own. */
05724c07
WD
1798 usage(FINFO);
1799 exit_cleanup(0);
1800 }
1801
951e826b
WD
1802 set_output_verbosity(verbose, DEFAULT_PRIORITY);
1803
abd32c95 1804 if (do_stats) {
951e826b
WD
1805 parse_output_words(info_words, info_levels,
1806 verbose > 1 ? "stats3" : "stats2", DEFAULT_PRIORITY);
1807 }
1808
adc2476f
WD
1809 if (human_readable) {
1810 char buf[32];
1811 snprintf(buf, sizeof buf, "%f", 3.14);
1812 if (strchr(buf, '.') != NULL)
1813 number_separator = ',';
1814 else
1815 number_separator = '.';
1816 }
1817
332cf6df 1818#ifdef ICONV_OPTION
a4453606 1819 if (iconv_opt && protect_args != 2) {
332cf6df
WD
1820 if (!am_server && strcmp(iconv_opt, "-") == 0)
1821 iconv_opt = NULL;
1822 else
1823 need_unsorted_flist = 1;
1824 }
0b52f94d
WD
1825 if (refused_no_iconv && !iconv_opt) {
1826 create_refuse_error(refused_no_iconv);
1827 return 0;
1828 }
332cf6df
WD
1829#endif
1830
53936ef9
WD
1831 if (protect_args == 1 && am_server)
1832 return 1;
a4453606 1833
73cb6738
WD
1834 *argv_p = argv = poptGetArgs(pc);
1835 *argc_p = argc = count_args(argv);
1836
4f5b0756 1837#ifndef SUPPORT_LINKS
54e87b4b 1838 if (preserve_links && !am_sender) {
e1add893
WD
1839 snprintf(err_buf, sizeof err_buf,
1840 "symlinks are not supported on this %s\n",
1841 am_server ? "server" : "client");
e1add893
WD
1842 return 0;
1843 }
1844#endif
1845
4f5b0756 1846#ifndef SUPPORT_HARD_LINKS
e1add893
WD
1847 if (preserve_hard_links) {
1848 snprintf(err_buf, sizeof err_buf,
1849 "hard links are not supported on this %s\n",
1850 am_server ? "server" : "client");
e1add893
WD
1851 return 0;
1852 }
1853#endif
1854
cbbd8e2e
WD
1855#ifdef SUPPORT_XATTRS
1856 if (am_root < 0 && preserve_xattrs > 1) {
1857 snprintf(err_buf, sizeof err_buf,
1858 "--fake-super conflicts with -XX\n");
1859 return 0;
1860 }
1861#else
9439c0cb
WD
1862 if (am_root < 0) {
1863 snprintf(err_buf, sizeof err_buf,
1864 "--fake-super requires an rsync with extended attributes enabled\n");
1865 return 0;
1866 }
1867#endif
1868
088aac85 1869 if (write_batch && read_batch) {
c3ea0990 1870 snprintf(err_buf, sizeof err_buf,
36119893 1871 "--write-batch and --read-batch can not be used together\n");
c3ea0990 1872 return 0;
088aac85 1873 }
11e758a4 1874 if (write_batch > 0 || read_batch) {
94327ff0
WD
1875 if (am_server) {
1876 rprintf(FINFO,
1877 "ignoring --%s-batch option sent to server\n",
1878 write_batch ? "write" : "read");
1879 /* We don't actually exit_cleanup(), so that we can
1880 * still service older version clients that still send
1881 * batch args to server. */
1882 read_batch = write_batch = 0;
1883 batch_name = NULL;
254ee3ba
WD
1884 } else if (dry_run)
1885 write_batch = 0;
69e2b4ee
WD
1886 } else if (write_batch < 0 && dry_run)
1887 write_batch = 0;
36119893 1888 if (read_batch && files_from) {
c3ea0990 1889 snprintf(err_buf, sizeof err_buf,
36119893 1890 "--read-batch cannot be used with --files-from\n");
c3ea0990 1891 return 0;
36119893 1892 }
9eaba726
WD
1893 if (read_batch && remove_source_files) {
1894 snprintf(err_buf, sizeof err_buf,
1895 "--read-batch cannot be used with --remove-%s-files\n",
1896 remove_source_files == 1 ? "source" : "sent");
1897 return 0;
1898 }
9b3318b0 1899 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
c3ea0990 1900 snprintf(err_buf, sizeof err_buf,
9b3318b0
WD
1901 "the batch-file name must be %d characters or less.\n",
1902 MAX_BATCH_NAME_LEN);
c3ea0990 1903 return 0;
beb93684 1904 }
088aac85 1905
ce58b1b4 1906 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
c3ea0990
WD
1907 snprintf(err_buf, sizeof err_buf,
1908 "the --temp-dir path is WAY too long.\n");
1909 return 0;
ce58b1b4
WD
1910 }
1911
7b9598b2
WD
1912 if (max_delete < 0 && max_delete != INT_MIN) {
1913 /* Negative numbers are treated as "no deletions". */
1914 max_delete = 0;
1915 }
1916
1de3e99b 1917 if (compare_dest + copy_dest + link_dest > 1) {
e012f858 1918 snprintf(err_buf, sizeof err_buf,
1de3e99b 1919 "You may not mix --compare-dest, --copy-dest, and --link-dest.\n");
e012f858
WD
1920 return 0;
1921 }
1922
b6164938
WD
1923 if (files_from) {
1924 if (recurse == 1) /* preserve recurse == 2 */
1925 recurse = 0;
550d4e23 1926 if (xfer_dirs < 0)
b6164938 1927 xfer_dirs = 1;
dfa32483 1928 }
51d48398 1929
20893751 1930 if (argc < 2 && !read_batch && !am_server)
73cb6738
WD
1931 list_only |= 1;
1932
1933 if (xfer_dirs >= 4) {
c8fa85b2 1934 parse_filter_str(&filter_list, "- /*/*", rule_template(0), 0);
73cb6738
WD
1935 recurse = xfer_dirs = 1;
1936 } else if (recurse)
1937 xfer_dirs = 1;
1938 else if (xfer_dirs < 0)
1939 xfer_dirs = list_only ? 1 : 0;
dfa32483 1940
ea5164d1
WD
1941 if (relative_paths < 0)
1942 relative_paths = files_from? 1 : 0;
89f2a4c2
WD
1943 if (!relative_paths)
1944 implied_dirs = 0;
ea5164d1 1945
e0e32031 1946 if (delete_before + !!delete_during + delete_after > 1) {
3359acb8 1947 snprintf(err_buf, sizeof err_buf,
c6eb7fad 1948 "You may not combine multiple --delete-WHEN options.\n");
3359acb8
WD
1949 return 0;
1950 }
f5a910dd 1951 if (delete_before || delete_during || delete_after)
51d48398 1952 delete_mode = 1;
3296f91b 1953 else if (delete_mode || delete_excluded) {
e0e32031 1954 /* Only choose now between before & during if one is refused. */
3296f91b 1955 if (refused_delete_before) {
e0e32031
WD
1956 if (!refused_delete_during)
1957 delete_during = 1;
1958 else {
1959 create_refuse_error(refused_delete_before);
1960 return 0;
1961 }
1962 } else if (refused_delete_during)
1963 delete_before = 1;
1964 delete_mode = 1;
3296f91b 1965 }
89fb5026
WD
1966 if (!xfer_dirs && delete_mode) {
1967 snprintf(err_buf, sizeof err_buf,
44d7d045 1968 "--delete does not work without --recursive (-r) or --dirs (-d).\n");
89fb5026 1969 return 0;
f5a910dd 1970 }
51d48398 1971
42d8ec61
WD
1972 if (missing_args == 3) /* simplify if both options were specified */
1973 missing_args = 2;
1974 if (refused_delete && (delete_mode || missing_args == 2)) {
3671987f
WD
1975 create_refuse_error(refused_delete);
1976 return 0;
1977 }
1978
47c11975
WD
1979 if (remove_source_files) {
1980 /* We only want to infer this refusal of --remove-source-files
07c6ae7d
WD
1981 * via the refusal of "delete", not any of the "delete-FOO"
1982 * options. */
1983 if (refused_delete && am_sender) {
1984 create_refuse_error(refused_delete);
1985 return 0;
1986 }
1987 need_messages_from_generator = 1;
1988 }
1989
41adbcec
WD
1990 if (munge_symlinks && !am_daemon) {
1991 STRUCT_STAT st;
1992 char prefix[SYMLINK_PREFIX_LEN]; /* NOT +1 ! */
1993 strlcpy(prefix, SYMLINK_PREFIX, sizeof prefix); /* trim the trailing slash */
1994 if (do_stat(prefix, &st) == 0 && S_ISDIR(st.st_mode)) {
1995 rprintf(FERROR, "Symlink munging is unsafe when a %s directory exists.\n",
1996 prefix);
1997 exit_cleanup(RERR_UNSUPPORTED);
1998 }
1999 }
2000
7be73df4
WD
2001 if (sanitize_paths) {
2002 int i;
ffbffc64 2003 for (i = argc; i-- > 0; )
d48810ba 2004 argv[i] = sanitize_path(NULL, argv[i], "", 0, SP_KEEP_DOT_DIRS);
1a7f3d99 2005 if (tmpdir)
d48810ba 2006 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0, SP_DEFAULT);
1a7f3d99 2007 if (backup_dir)
d48810ba 2008 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0, SP_DEFAULT);
7be73df4 2009 }
819bfe45 2010 if (daemon_filter_list.head && !am_sender) {
7b6c5c77 2011 filter_rule_list *elp = &daemon_filter_list;
c3ea0990 2012 if (tmpdir) {
a1018691 2013 char *dir;
3671987f
WD
2014 if (!*tmpdir)
2015 goto options_rejected;
a1018691
WD
2016 dir = tmpdir + (*tmpdir == '/' ? module_dirlen : 0);
2017 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 2018 if (check_filter(elp, FLOG, dir, 1) < 0)
c3ea0990
WD
2019 goto options_rejected;
2020 }
c3ea0990 2021 if (backup_dir) {
a1018691 2022 char *dir;
3671987f
WD
2023 if (!*backup_dir)
2024 goto options_rejected;
a1018691
WD
2025 dir = backup_dir + (*backup_dir == '/' ? module_dirlen : 0);
2026 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 2027 if (check_filter(elp, FLOG, dir, 1) < 0)
f0fa8c6d 2028 goto options_rejected;
c3ea0990
WD
2029 }
2030 }
7be73df4 2031
d175d7e1 2032 if (!backup_suffix)
e0391f81 2033 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
d175d7e1 2034 backup_suffix_len = strlen(backup_suffix);
80ddadb7 2035 if (strchr(backup_suffix, '/') != NULL) {
c3ea0990
WD
2036 snprintf(err_buf, sizeof err_buf,
2037 "--suffix cannot contain slashes: %s\n",
80ddadb7 2038 backup_suffix);
c3ea0990 2039 return 0;
80ddadb7 2040 }
e0391f81 2041 if (backup_dir) {
3696674b
WD
2042 while (*backup_dir == '.' && backup_dir[1] == '/')
2043 backup_dir += 2;
2044 if (*backup_dir == '.' && backup_dir[1] == '\0')
2045 backup_dir++;
e0391f81
WD
2046 backup_dir_len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
2047 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
3696674b 2048 if (backup_dir_remainder < 128) {
c3ea0990
WD
2049 snprintf(err_buf, sizeof err_buf,
2050 "the --backup-dir path is WAY too long.\n");
2051 return 0;
e0391f81 2052 }
4e9c7fae
WD
2053 if (!backup_dir_len) {
2054 backup_dir_len = -1;
2055 backup_dir = NULL;
2056 } else if (backup_dir_buf[backup_dir_len - 1] != '/') {
e0391f81
WD
2057 backup_dir_buf[backup_dir_len++] = '/';
2058 backup_dir_buf[backup_dir_len] = '\0';
2059 }
4e9c7fae
WD
2060 }
2061 if (backup_dir) {
2062 /* No need for a suffix or a protect rule. */
8dcf9335 2063 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
c3ea0990 2064 snprintf(err_buf, sizeof err_buf,
4e9c7fae
WD
2065 "--suffix cannot be empty %s\n", backup_dir_len < 0
2066 ? "when --backup-dir is the same as the dest dir"
2067 : "without a --backup-dir");
c3ea0990 2068 return 0;
eb8f5c74
WD
2069 } else if (make_backups && delete_mode && !delete_excluded && !am_server) {
2070 snprintf(backup_dir_buf, sizeof backup_dir_buf,
f41152d3 2071 "P *%s", backup_suffix);
c8fa85b2 2072 parse_filter_str(&filter_list, backup_dir_buf, rule_template(0), 0);
d175d7e1 2073 }
fbd91cae
WD
2074
2075 if (make_backups && !backup_dir) {
2076 omit_dir_times = 0; /* Implied, so avoid -O to sender. */
2077 if (preserve_times > 1)
2078 preserve_times = 1;
2079 } else if (omit_dir_times) {
2080 if (preserve_times > 1)
2081 preserve_times = 1;
2082 }
d175d7e1 2083
b3e4e7ef
WD
2084 if (stdout_format) {
2085 if (am_server && log_format_has(stdout_format, 'I'))
2086 stdout_format_has_i = 2;
2087 else if (log_format_has(stdout_format, 'i'))
2088 stdout_format_has_i = itemize_changes | 1;
2089 if (!log_format_has(stdout_format, 'b')
886df221
WD
2090 && !log_format_has(stdout_format, 'c')
2091 && !log_format_has(stdout_format, 'C'))
e7651884
WD
2092 log_before_transfer = !am_server;
2093 } else if (itemize_changes) {
b3e4e7ef
WD
2094 stdout_format = "%i %n%L";
2095 stdout_format_has_i = itemize_changes;
e7651884
WD
2096 log_before_transfer = !am_server;
2097 }
87383697 2098
951e826b
WD
2099 if (do_progress && !am_server) {
2100 if (!log_before_transfer && INFO_EQ(NAME, 0))
2101 parse_output_words(info_words, info_levels, "name", DEFAULT_PRIORITY);
2102 parse_output_words(info_words, info_levels, "flist2,progress", DEFAULT_PRIORITY);
bb4e4d88 2103 }
87383697 2104
11e758a4
WD
2105 if (dry_run)
2106 do_xfers = 0;
2107
9ac756c6
WD
2108 set_io_timeout(io_timeout);
2109
951e826b 2110 if (INFO_GTE(NAME, 1) && !stdout_format) {
b3e4e7ef 2111 stdout_format = "%n%L";
87383697 2112 log_before_transfer = !am_server;
3671987f 2113 }
b3e4e7ef
WD
2114 if (stdout_format_has_i || log_format_has(stdout_format, 'o'))
2115 stdout_format_has_o_or_i = 1;
e2559dbe 2116
232658d9 2117 if (logfile_name && !am_daemon) {
b3e4e7ef 2118 if (!logfile_format) {
232658d9 2119 logfile_format = "%i %n%L";
87c0f9d6 2120 logfile_format_has_i = logfile_format_has_o_or_i = 1;
b3e4e7ef
WD
2121 } else {
2122 if (log_format_has(logfile_format, 'i'))
19b85876 2123 logfile_format_has_i = 1;
b3e4e7ef
WD
2124 if (logfile_format_has_i || log_format_has(logfile_format, 'o'))
2125 logfile_format_has_o_or_i = 1;
87c0f9d6 2126 }
6dc9b74b 2127 log_init(0);
2873603a
WD
2128 } else if (!am_daemon)
2129 logfile_format = NULL;
87c0f9d6 2130
9fb08441
WD
2131 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
2132 bwlimit = daemon_bwlimit;
3c74c3a3
WD
2133 if (bwlimit) {
2134 bwlimit_writemax = (size_t)bwlimit * 128;
2135 if (bwlimit_writemax < 512)
2136 bwlimit_writemax = 512;
2137 }
2138
cfce9f6d 2139 if (sparse_files && inplace) {
c3851185 2140 /* Note: we don't check for this below, because --append is
cfce9f6d
WD
2141 * OK with --sparse (as long as redos are handled right). */
2142 snprintf(err_buf, sizeof err_buf,
2143 "--sparse cannot be used with --inplace\n");
2144 return 0;
2145 }
2146
a015788d
WD
2147 if (append_mode) {
2148 if (whole_file > 0) {
2149 snprintf(err_buf, sizeof err_buf,
2150 "--append cannot be used with --whole-file\n");
2151 return 0;
2152 }
2153 if (refused_inplace) {
2154 create_refuse_error(refused_inplace);
2155 return 0;
2156 }
2157 inplace = 1;
2158 }
2159
f06e7082 2160 if (delay_updates && !partial_dir)
77860bac 2161 partial_dir = tmp_partialdir;
f06e7082 2162
a3221d2a 2163 if (inplace) {
4f5b0756 2164#ifdef HAVE_FTRUNCATE
a7260c40
WD
2165 if (partial_dir) {
2166 snprintf(err_buf, sizeof err_buf,
a015788d
WD
2167 "--%s cannot be used with --%s\n",
2168 append_mode ? "append" : "inplace",
f06e7082 2169 delay_updates ? "delay-updates" : "partial-dir");
a7260c40
WD
2170 return 0;
2171 }
3671987f
WD
2172 /* --inplace implies --partial for refusal purposes, but we
2173 * clear the keep_partial flag for internal logic purposes. */
2174 if (refused_partial) {
2175 create_refuse_error(refused_partial);
2176 return 0;
2177 }
a3221d2a 2178 keep_partial = 0;
ded4daf0
WD
2179#else
2180 snprintf(err_buf, sizeof err_buf,
a015788d
WD
2181 "--%s is not supported on this %s\n",
2182 append_mode ? "append" : "inplace",
ded4daf0
WD
2183 am_server ? "server" : "client");
2184 return 0;
2185#endif
075aa18f 2186 } else {
bc880cb8 2187 if (keep_partial && !partial_dir && !am_server) {
3671987f
WD
2188 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
2189 partial_dir = strdup(arg);
2190 }
075aa18f 2191 if (partial_dir) {
3671987f 2192 if (*partial_dir)
b58bfb2f 2193 clean_fname(partial_dir, CFN_COLLAPSE_DOT_DOT_DIRS);
075aa18f
WD
2194 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
2195 partial_dir = NULL;
3671987f
WD
2196 if (!partial_dir && refused_partial) {
2197 create_refuse_error(refused_partial);
2198 return 0;
2199 }
075aa18f
WD
2200 keep_partial = 1;
2201 }
a3221d2a
WD
2202 }
2203
ea5164d1 2204 if (files_from) {
305666bf
WD
2205 char *h, *p;
2206 int q;
ffbffc64 2207 if (argc > 2 || (!am_daemon && argc == 1)) {
ea5164d1
WD
2208 usage(FERROR);
2209 exit_cleanup(RERR_SYNTAX);
2210 }
63596e1c 2211 if (strcmp(files_from, "-") == 0) {
ea5164d1 2212 filesfrom_fd = 0;
63596e1c 2213 if (am_server)
305666bf
WD
2214 filesfrom_host = ""; /* reading from socket */
2215 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
ea5164d1 2216 if (am_server) {
305666bf
WD
2217 snprintf(err_buf, sizeof err_buf,
2218 "The --files-from sent to the server cannot specify a host.\n");
2219 return 0;
ea5164d1 2220 }
305666bf
WD
2221 files_from = p;
2222 filesfrom_host = h;
2223 if (strcmp(files_from, "-") == 0) {
c3ea0990
WD
2224 snprintf(err_buf, sizeof err_buf,
2225 "Invalid --files-from remote filename\n");
2226 return 0;
ea5164d1
WD
2227 }
2228 } else {
305666bf 2229 if (sanitize_paths)
d48810ba 2230 files_from = sanitize_path(NULL, files_from, NULL, 0, SP_DEFAULT);
819bfe45 2231 if (daemon_filter_list.head) {
a1018691 2232 char *dir;
305666bf
WD
2233 if (!*files_from)
2234 goto options_rejected;
a1018691
WD
2235 dir = files_from + (*files_from == '/' ? module_dirlen : 0);
2236 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 2237 if (check_filter(&daemon_filter_list, FLOG, dir, 0) < 0)
305666bf
WD
2238 goto options_rejected;
2239 }
ea5164d1
WD
2240 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
2241 if (filesfrom_fd < 0) {
c3ea0990
WD
2242 snprintf(err_buf, sizeof err_buf,
2243 "failed to open files-from file %s: %s\n",
2244 files_from, strerror(errno));
2245 return 0;
ea5164d1
WD
2246 }
2247 }
2248 }
2249
7f2a1f65
WD
2250 am_starting_up = 0;
2251
b11ed3b1 2252 return 1;
f0fa8c6d
WD
2253
2254 options_rejected:
2255 snprintf(err_buf, sizeof err_buf,
2256 "Your options have been rejected by the server.\n");
2257 return 0;
7a6421fa
AT
2258}
2259
2260
dafe63ca
MP
2261/**
2262 * Construct a filtered list of options to pass through from the
2263 * client to the server.
2264 *
2265 * This involves setting options that will tell the server how to
2266 * behave, and also filtering out options that are processed only
2267 * locally.
2268 **/
ffbffc64 2269void server_options(char **args, int *argc_p)
7a6421fa 2270{
74ba98a5 2271 static char argstr[64];
ffbffc64 2272 int ac = *argc_p;
d239efa3 2273 uchar where;
f98c60bf 2274 char *arg;
d853783f
AT
2275 int i, x;
2276
def97ff9 2277 /* This should always remain first on the server's command-line. */
d853783f
AT
2278 args[ac++] = "--server";
2279
e208631a 2280 if (daemon_over_rsh > 0) {
1312d9fc 2281 args[ac++] = "--daemon";
ffbffc64 2282 *argc_p = ac;
1312d9fc
WD
2283 /* if we're passing --daemon, we're done */
2284 return;
2285 }
2286
d853783f
AT
2287 if (!am_sender)
2288 args[ac++] = "--sender";
2289
2290 x = 1;
2291 argstr[0] = '-';
a4453606
WD
2292
2293 if (protect_args)
2294 argstr[x++] = 's';
2295
f98c60bf 2296 for (i = 0; i < verbose; i++)
d853783f 2297 argstr[x++] = 'v';
f0b36a48 2298
b86f0cef 2299 /* the -q option is intentionally left out */
d853783f
AT
2300 if (make_backups)
2301 argstr[x++] = 'b';
2302 if (update_only)
2303 argstr[x++] = 'u';
2dbf36ef 2304 if (!do_xfers) /* Note: NOT "dry_run"! */
d853783f
AT
2305 argstr[x++] = 'n';
2306 if (preserve_links)
2307 argstr[x++] = 'l';
73cb6738
WD
2308 if ((xfer_dirs >= 2 && xfer_dirs < 4)
2309 || (xfer_dirs && !recurse && (list_only || (delete_mode && am_sender))))
5454d22a 2310 argstr[x++] = 'd';
35bf8fa0
WD
2311 if (am_sender) {
2312 if (keep_dirlinks)
2313 argstr[x++] = 'K';
876c9936
WD
2314 if (prune_empty_dirs)
2315 argstr[x++] = 'm';
f9998046 2316 if (omit_dir_times)
35bf8fa0 2317 argstr[x++] = 'O';
2dbf36ef
WD
2318 } else {
2319 if (copy_links)
2320 argstr[x++] = 'L';
2321 if (copy_dirlinks)
2322 argstr[x++] = 'k';
35bf8fa0 2323 }
1bfbf40b 2324
dfa32483 2325 if (whole_file > 0)
d853783f 2326 argstr[x++] = 'W';
bceec82f
MP
2327 /* We don't need to send --no-whole-file, because it's the
2328 * default for remote transfers, and in any case old versions
2329 * of rsync will not understand it. */
dfa32483 2330
e0e32031 2331 if (preserve_hard_links) {
d853783f 2332 argstr[x++] = 'H';
e0e32031
WD
2333 if (preserve_hard_links > 1)
2334 argstr[x++] = 'H';
2335 }
d853783f
AT
2336 if (preserve_uid)
2337 argstr[x++] = 'o';
2338 if (preserve_gid)
2339 argstr[x++] = 'g';
b5c6a6ae 2340 if (preserve_devices) /* ignore preserve_specials here */
d853783f
AT
2341 argstr[x++] = 'D';
2342 if (preserve_times)
2343 argstr[x++] = 't';
2344 if (preserve_perms)
2345 argstr[x++] = 'p';
344f9ba7
WD
2346 else if (preserve_executability && am_sender)
2347 argstr[x++] = 'E';
1c3344a1
WD
2348#ifdef SUPPORT_ACLS
2349 if (preserve_acls)
2350 argstr[x++] = 'A';
16edf865
WD
2351#endif
2352#ifdef SUPPORT_XATTRS
524eaa82 2353 if (preserve_xattrs) {
16edf865 2354 argstr[x++] = 'X';
524eaa82
WD
2355 if (preserve_xattrs > 1)
2356 argstr[x++] = 'X';
2357 }
1c3344a1 2358#endif
aa7a6e87 2359 if (recurse)
d853783f
AT
2360 argstr[x++] = 'r';
2361 if (always_checksum)
2362 argstr[x++] = 'c';
2363 if (cvs_exclude)
2364 argstr[x++] = 'C';
2365 if (ignore_times)
2366 argstr[x++] = 'I';
2367 if (relative_paths)
2368 argstr[x++] = 'R';
243c995f 2369 if (one_file_system) {
d853783f 2370 argstr[x++] = 'x';
243c995f
WD
2371 if (one_file_system > 1)
2372 argstr[x++] = 'x';
2373 }
d853783f
AT
2374 if (sparse_files)
2375 argstr[x++] = 'S';
2376 if (do_compression)
2377 argstr[x++] = 'z';
f0b36a48 2378
29703623
WD
2379 set_allow_inc_recurse();
2380
2381 /* Checking the pre-negotiated value allows --protocol=29 override. */
2382 if (protocol_version >= 30) {
2383 /* We make use of the -e option to let the server know about
2384 * any pre-release protocol version && some behavior flags. */
2385 argstr[x++] = 'e';
2ed790f3 2386#if SUBPROTOCOL_VERSION != 0
29703623
WD
2387 if (protocol_version == PROTOCOL_VERSION) {
2388 x += snprintf(argstr+x, sizeof argstr - x,
2389 "%d.%d",
2390 PROTOCOL_VERSION, SUBPROTOCOL_VERSION);
2391 } else
2ed790f3 2392#endif
29703623
WD
2393 argstr[x++] = '.';
2394 if (allow_inc_recurse)
2395 argstr[x++] = 'i';
accc091f 2396#ifdef CAN_SET_SYMLINK_TIMES
29703623 2397 argstr[x++] = 'L';
91fd15b8
WD
2398#endif
2399#ifdef ICONV_OPTION
2400 argstr[x++] = 's';
1ed56a05 2401#endif
29703623
WD
2402 }
2403
951e826b 2404 if (x >= (int)sizeof argstr) { /* Not possible... */
7a2eca41
WD
2405 rprintf(FERROR, "argstr overflow in server_options().\n");
2406 exit_cleanup(RERR_MALLOC);
2407 }
2408
951e826b
WD
2409 argstr[x] = '\0';
2410
6d301fa3
WD
2411 if (x > 1)
2412 args[ac++] = argstr;
d853783f 2413
a4453606
WD
2414#ifdef ICONV_OPTION
2415 if (iconv_opt) {
2416 char *set = strchr(iconv_opt, ',');
2417 if (set)
2418 set++;
2419 else
2420 set = iconv_opt;
2421 if (asprintf(&arg, "--iconv=%s", set) < 0)
2422 goto oom;
2423 args[ac++] = arg;
2424 }
2425#endif
2426
53936ef9 2427 if (protect_args && !local_server) /* unprotected args stop here */
a4453606
WD
2428 args[ac++] = NULL;
2429
51d48398
WD
2430 if (list_only > 1)
2431 args[ac++] = "--list-only";
2432
f5a910dd
WD
2433 /* This makes sure that the remote rsync can handle deleting with -d
2434 * sans -r because the --no-r option was added at the same time. */
2435 if (xfer_dirs && !recurse && delete_mode && am_sender)
2436 args[ac++] = "--no-r";
2437
854a1aad
WD
2438 if (do_compression && def_compress_level != Z_DEFAULT_COMPRESSION) {
2439 if (asprintf(&arg, "--compress-level=%d", def_compress_level) < 0)
2440 goto oom;
2441 args[ac++] = arg;
2442 }
2443
b5c6a6ae
WD
2444 if (preserve_devices) {
2445 /* Note: sending "--devices" would not be backward-compatible. */
2446 if (!preserve_specials)
2447 args[ac++] = "--no-specials"; /* -D is already set. */
2448 } else if (preserve_specials)
2449 args[ac++] = "--specials";
2450
5c5e1598
WD
2451 /* The server side doesn't use our log-format, but in certain
2452 * circumstances they need to know a little about the option. */
b3e4e7ef
WD
2453 if (stdout_format && am_sender) {
2454 /* Use --log-format, not --out-format, for compatibility. */
2455 if (stdout_format_has_i > 1)
487094a0 2456 args[ac++] = "--log-format=%i%I";
b3e4e7ef 2457 else if (stdout_format_has_i)
684d7582 2458 args[ac++] = "--log-format=%i";
b3e4e7ef 2459 else if (stdout_format_has_o_or_i)
5c5e1598
WD
2460 args[ac++] = "--log-format=%o";
2461 else if (!verbose)
2462 args[ac++] = "--log-format=X";
2463 }
1f30a674 2464
195bd906 2465 if (block_size) {
a06b419d 2466 if (asprintf(&arg, "-B%lu", block_size) < 0)
f98c60bf
WD
2467 goto oom;
2468 args[ac++] = arg;
dfa32483 2469 }
d853783f
AT
2470
2471 if (io_timeout) {
f98c60bf
WD
2472 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
2473 goto oom;
2474 args[ac++] = arg;
dfa32483 2475 }
d853783f 2476
ef5d23eb 2477 if (bwlimit) {
f98c60bf
WD
2478 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
2479 goto oom;
2480 args[ac++] = arg;
ef5d23eb
DD
2481 }
2482
d175d7e1
WD
2483 if (backup_dir) {
2484 args[ac++] = "--backup-dir";
2485 args[ac++] = backup_dir;
2486 }
2487
2488 /* Only send --suffix if it specifies a non-default value. */
f98c60bf 2489 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
191e40da 2490 /* We use the following syntax to avoid weirdness with '~'. */
f98c60bf
WD
2491 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
2492 goto oom;
2493 args[ac++] = arg;
d853783f
AT
2494 }
2495
06a50542 2496 if (am_sender) {
7b9598b2
WD
2497 if (max_delete > 0) {
2498 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
2499 goto oom;
2500 args[ac++] = arg;
2501 } else if (max_delete == 0)
d6ca255c 2502 args[ac++] = "--max-delete=-1";
7b9598b2
WD
2503 if (min_size) {
2504 args[ac++] = "--min-size";
2505 args[ac++] = min_size_arg;
2506 }
2507 if (max_size) {
2508 args[ac++] = "--max-size";
2509 args[ac++] = max_size_arg;
2510 }
e0e32031 2511 if (delete_before)
c6eb7fad 2512 args[ac++] = "--delete-before";
0d152437
WD
2513 else if (delete_during == 2)
2514 args[ac++] = "--delete-delay";
2515 else if (delete_during)
2516 args[ac++] = "--delete-during";
2517 else if (delete_after)
06a50542 2518 args[ac++] = "--delete-after";
e0e32031
WD
2519 else if (delete_mode && !delete_excluded)
2520 args[ac++] = "--delete";
2521 if (delete_excluded)
2522 args[ac++] = "--delete-excluded";
06a50542
WD
2523 if (force_delete)
2524 args[ac++] = "--force";
11e758a4
WD
2525 if (write_batch < 0)
2526 args[ac++] = "--only-write-batch=X";
def97ff9
WD
2527 if (am_root > 1)
2528 args[ac++] = "--super";
f17e769e
WD
2529 if (size_only)
2530 args[ac++] = "--size-only";
dc6fb11b
WD
2531 if (do_stats)
2532 args[ac++] = "--stats";
b1e436ec
WD
2533 } else {
2534 if (skip_compress) {
2535 if (asprintf(&arg, "--skip-compress=%s", skip_compress) < 0)
2536 goto oom;
2537 args[ac++] = arg;
2538 }
06a50542 2539 }
b33b791e 2540
42d8ec61
WD
2541 /* --delete-missing-args needs the cooperation of both sides, but
2542 * the sender can handle --ignore-missing-args by itself. */
2543 if (missing_args == 2)
ce66f417 2544 args[ac++] = "--delete-missing-args";
42d8ec61
WD
2545 else if (missing_args == 1 && !am_sender)
2546 args[ac++] = "--ignore-missing-args";
ce66f417 2547
5b56cc19 2548 if (modify_window_set) {
f98c60bf
WD
2549 if (asprintf(&arg, "--modify-window=%d", modify_window) < 0)
2550 goto oom;
2551 args[ac++] = arg;
5b56cc19
AT
2552 }
2553
c8d895de 2554 if (checksum_seed) {
221ddb94 2555 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
c8d895de
WD
2556 goto oom;
2557 args[ac++] = arg;
2558 }
2559
a7260c40 2560 if (partial_dir && am_sender) {
77860bac 2561 if (partial_dir != tmp_partialdir) {
3671987f
WD
2562 args[ac++] = "--partial-dir";
2563 args[ac++] = partial_dir;
2564 }
f06e7082
WD
2565 if (delay_updates)
2566 args[ac++] = "--delay-updates";
77860bac 2567 } else if (keep_partial && am_sender)
d853783f
AT
2568 args[ac++] = "--partial";
2569
ef55c686
AT
2570 if (ignore_errors)
2571 args[ac++] = "--ignore-errors";
2572
b5313607
DD
2573 if (copy_unsafe_links)
2574 args[ac++] = "--copy-unsafe-links";
2575
d853783f
AT
2576 if (safe_symlinks)
2577 args[ac++] = "--safe-links";
2578
2579 if (numeric_ids)
2580 args[ac++] = "--numeric-ids";
2581
95def6d9
WD
2582 if (use_qsort)
2583 args[ac++] = "--use-qsort";
2584
4f3797c7 2585 if (am_sender) {
2df20057
WD
2586 if (usermap) {
2587 if (asprintf(&arg, "--usermap=%s", usermap) < 0)
2588 goto oom;
2589 args[ac++] = arg;
2590 }
2591
2592 if (groupmap) {
2593 if (asprintf(&arg, "--groupmap=%s", groupmap) < 0)
2594 goto oom;
2595 args[ac++] = arg;
2596 }
2597
4f3797c7
WD
2598 if (ignore_existing)
2599 args[ac++] = "--ignore-existing";
2600
2601 /* Backward compatibility: send --existing, not --ignore-non-existing. */
2602 if (ignore_non_existing)
2603 args[ac++] = "--existing";
3d6feada 2604
4f3797c7
WD
2605 if (tmpdir) {
2606 args[ac++] = "--temp-dir";
2607 args[ac++] = tmpdir;
2608 }
2609
2610 if (basis_dir[0]) {
2611 /* the server only needs this option if it is not the sender,
2612 * and it may be an older version that doesn't know this
2613 * option, so don't send it if client is the sender.
2614 */
4f3797c7
WD
2615 for (i = 0; i < basis_dir_cnt; i++) {
2616 args[ac++] = dest_option;
2617 args[ac++] = basis_dir[i];
2618 }
2619 }
2620 }
e90aab49 2621
951e826b
WD
2622 /* What flags do we need to send to the other side? */
2623 where = (am_server ? W_CLI : W_SRV) | (am_sender ? W_REC : W_SND);
2624 arg = make_output_option(info_words, info_levels, where);
2625 if (arg)
2626 args[ac++] = arg;
2627
2628 arg = make_output_option(debug_words, debug_levels, where);
2629 if (arg)
2630 args[ac++] = arg;
2631
936fa865
WD
2632 if (append_mode) {
2633 if (append_mode > 1)
2634 args[ac++] = "--append";
a015788d 2635 args[ac++] = "--append";
936fa865 2636 } else if (inplace)
a3221d2a
WD
2637 args[ac++] = "--inplace";
2638
305666bf
WD
2639 if (files_from && (!am_sender || filesfrom_host)) {
2640 if (filesfrom_host) {
ea5164d1 2641 args[ac++] = "--files-from";
305666bf 2642 args[ac++] = files_from;
ea5164d1
WD
2643 if (eol_nulls)
2644 args[ac++] = "--from0";
2645 } else {
2646 args[ac++] = "--files-from=-";
2647 args[ac++] = "--from0";
2648 }
c0ab28d1
WD
2649 if (!relative_paths)
2650 args[ac++] = "--no-relative";
ea5164d1 2651 }
33a04593
WD
2652 /* It's OK that this checks the upper-bound of the protocol_version. */
2653 if (relative_paths && !implied_dirs && (!am_sender || protocol_version >= 30))
3a90ea0a 2654 args[ac++] = "--no-implied-dirs";
ea5164d1 2655
c4ed1487
WD
2656 if (fuzzy_basis && am_sender)
2657 args[ac++] = "--fuzzy";
2658
47c11975
WD
2659 if (remove_source_files == 1)
2660 args[ac++] = "--remove-source-files";
2661 else if (remove_source_files)
07c6ae7d
WD
2662 args[ac++] = "--remove-sent-files";
2663
7a2eca41
WD
2664 if (ac > MAX_SERVER_ARGS) { /* Not possible... */
2665 rprintf(FERROR, "argc overflow in server_options().\n");
2666 exit_cleanup(RERR_MALLOC);
2667 }
2668
2669 if (remote_option_cnt) {
2670 int j;
2671 if (ac + remote_option_cnt > MAX_SERVER_ARGS) {
2672 rprintf(FERROR, "too many remote options specified.\n");
2673 exit_cleanup(RERR_SYNTAX);
2674 }
2675 for (j = 1; j <= remote_option_cnt; j++)
2676 args[ac++] = (char*)remote_options[j];
2677 }
2678
ffbffc64 2679 *argc_p = ac;
f98c60bf
WD
2680 return;
2681
2682 oom:
2683 out_of_memory("server_options");
7a6421fa
AT
2684}
2685
58cf3547
WD
2686/* If str points to a valid hostspec, return allocated memory containing the
2687 * [USER@]HOST part of the string, and set the path_start_ptr to the part of
2688 * the string after the host part. Otherwise, return NULL. If port_ptr is
2689 * non-NULL, we must be parsing an rsync:// URL hostname, and we will set
2690 * *port_ptr if a port number is found. Note that IPv6 IPs will have their
2691 * (required for parsing) [ and ] chars elided from the returned string. */
2692static char *parse_hostspec(char *str, char **path_start_ptr, int *port_ptr)
2693{
4d13a2fe 2694 char *s, *host_start = str;
58cf3547
WD
2695 int hostlen = 0, userlen = 0;
2696 char *ret;
2697
4d13a2fe 2698 for (s = str; ; s++) {
58cf3547
WD
2699 if (!*s) {
2700 /* It is only OK if we run out of string with rsync:// */
4d13a2fe
WD
2701 if (!port_ptr)
2702 return NULL;
2703 if (!hostlen)
2704 hostlen = s - host_start;
2705 break;
58cf3547
WD
2706 }
2707 if (*s == ':' || *s == '/') {
2708 if (!hostlen)
2709 hostlen = s - host_start;
2710 if (*s++ == '/') {
2711 if (!port_ptr)
2712 return NULL;
2713 } else if (port_ptr) {
2714 *port_ptr = atoi(s);
2715 while (isDigit(s)) s++;
4d13a2fe 2716 if (*s && *s++ != '/')
58cf3547
WD
2717 return NULL;
2718 }
2719 break;
2720 }
2721 if (*s == '@') {
2722 userlen = s - str + 1;
2723 host_start = s + 1;
2724 } else if (*s == '[') {
2725 if (s != host_start++)
2726 return NULL;
2727 while (*s && *s != ']' && *s != '/') s++; /*SHARED ITERATOR*/
2728 hostlen = s - host_start;
2729 if (*s != ']' || (s[1] && s[1] != '/' && s[1] != ':') || !hostlen)
2730 return NULL;
2731 }
2732 }
2733
2734 *path_start_ptr = s;
2735 ret = new_array(char, userlen + hostlen + 1);
2736 if (userlen)
2737 strlcpy(ret, str, userlen + 1);
2738 strlcpy(ret + userlen, host_start, hostlen + 1);
2739 return ret;
2740}
2741
305666bf
WD
2742/* Look for a HOST specfication of the form "HOST:PATH", "HOST::PATH", or
2743 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
2744 * memory with the HOST. If a daemon-accessing spec was specified, the value
2745 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
2746 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
2747 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
2748 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
2749char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
ea5164d1 2750{
58cf3547 2751 char *path;
305666bf
WD
2752
2753 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
58cf3547
WD
2754 *host_ptr = parse_hostspec(s + strlen(URL_PREFIX), &path, port_ptr);
2755 if (*host_ptr) {
2756 if (!*port_ptr)
2757 *port_ptr = RSYNC_PORT;
2758 return path;
305666bf 2759 }
305666bf
WD
2760 }
2761
58cf3547
WD
2762 *host_ptr = parse_hostspec(s, &path, NULL);
2763 if (!*host_ptr)
2764 return NULL;
ea5164d1 2765
58cf3547 2766 if (*path == ':') {
305666bf
WD
2767 if (port_ptr && !*port_ptr)
2768 *port_ptr = RSYNC_PORT;
58cf3547 2769 return path + 1;
305666bf
WD
2770 }
2771 if (port_ptr)
2772 *port_ptr = 0;
ea5164d1 2773
58cf3547 2774 return path;
ea5164d1 2775}