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[thirdparty/rsync.git] / options.c
CommitLineData
0f78b815
WD		 1/*
2 * Command-line (and received via daemon-socket) option parsing.
dfa32483 3 *
0f78b815
WD		 4 * Copyright (C) 1998-2001 Andrew Tridgell <tridge@samba.org>
5 * Copyright (C) 2000, 2001, 2002 Martin Pool <mbp@samba.org>
9a06b2ed 6 * Copyright (C) 2002-2023 Wayne Davison
dfa32483 7 *
dafe63ca 8 * This program is free software; you can redistribute it and/or modify
8e41b68e
WD		 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
MP		 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"
11eb67ee 24#include "ifuncs.h"
35bf8fa0 25#include <popt.h>
7a6421fa 26
7bc90b30 27extern int module_id;
53936ef9 28extern int local_server;
7be73df4 29extern int sanitize_paths;
cff8f044
WD		 30extern int trust_sender_args;
31extern int trust_sender_filter;
a1018691 32extern unsigned int module_dirlen;
7b6c5c77
WD		 33extern filter_rule_list filter_list;
34extern filter_rule_list daemon_filter_list;
8645af1d 35
7a6421fa 36int make_backups = 0;
1bfbf40b
MP		 37
38/**
dfa32483 39 * If 1, send the whole file as literal data rather than trying to
dafe63ca 40 * create an incremental diff.
1bfbf40b 41 *
dfa32483 42 * If -1, then look at whether we're local or remote and go by that.
dafe63ca
MP		 43 *
44 * @sa disable_deltas_p()
1bfbf40b 45 **/
dfa32483 46int whole_file = -1;
1bfbf40b 47
a015788d 48int append_mode = 0;
716e73d4 49int keep_dirlinks = 0;
2dbf36ef 50int copy_dirlinks = 0;
7a6421fa 51int copy_links = 0;
8aa46511 52int copy_devices = 0;
9e9d33a2 53int write_devices = 0;
7a6421fa
AT		 54int preserve_links = 0;
55int preserve_hard_links = 0;
1c3344a1 56int preserve_acls = 0;
16edf865 57int preserve_xattrs = 0;
7a6421fa 58int preserve_perms = 0;
344f9ba7 59int preserve_executability = 0;
7a6421fa 60int preserve_devices = 0;
b5c6a6ae 61int preserve_specials = 0;
7a6421fa
AT		 62int preserve_uid = 0;
63int preserve_gid = 0;
b774dbc1 64int preserve_mtimes = 0;
b9367410 65int preserve_atimes = 0;
974f49e2 66int preserve_crtimes = 0;
b774dbc1
WD		 67int omit_dir_times = 0;
68int omit_link_times = 0;
cff8f044 69int trust_sender = 0;
7a6421fa 70int update_only = 0;
87257f86 71int open_noatime = 0;
7a6421fa 72int cvs_exclude = 0;
a5c11139 73int dry_run = 0;
11e758a4 74int do_xfers = 1;
82f023d7 75int do_fsync = 0;
a5c11139
WD		 76int ignore_times = 0;
77int delete_mode = 0;
a51b3168 78int delete_during = 0;
51d48398
WD		 79int delete_before = 0;
80int delete_after = 0;
a5c11139 81int delete_excluded = 0;
47c11975 82int remove_source_files = 0;
a5c11139 83int one_file_system = 0;
4f3e9a0f 84int protocol_version = PROTOCOL_VERSION;
a5c11139 85int sparse_files = 0;
28b519c9 86int preallocate_files = 0;
a5c11139 87int do_compression = 0;
d999efe6 88int do_compression_level = CLVL_NOT_SPECIFIED;
9439c0cb 89int am_root = 0; /* 0 = normal, 1 = root, 2 = --super, -1 = --fake-super */
7f2a1f65
WD		 90int am_server = 0;
91int am_sender = 0;
7f2a1f65 92int am_starting_up = 1;
ea5164d1
WD		 93int relative_paths = -1;
94int implied_dirs = 1;
42d8ec61 95int missing_args = 0; /* 0 = FERROR_XFER, 1 = ignore, 2 = delete */
7a6421fa 96int numeric_ids = 0;
d8941be8 97int msgs2stderr = 2; /* Default: send errors to stderr for local & remote-shell transfers */
4adfdaaf 98int saw_stderr_opt = 0;
5974c662 99int allow_8bit_chars = 0;
7a6421fa
AT		 100int force_delete = 0;
101int io_timeout = 0;
876c9936 102int prune_empty_dirs = 0;
8487f9cf 103int use_qsort = 0;
ea5164d1
WD		 104char *files_from = NULL;
105int filesfrom_fd = -1;
305666bf 106char *filesfrom_host = NULL;
ea5164d1 107int eol_nulls = 0;
4c4a2962 108int protect_args = -1;
6b8db0f6 109int old_style_args = -1;
adc2476f 110int human_readable = 1;
7a6421fa 111int recurse = 0;
01742c07 112int mkpath_dest_arg = 0;
5275029d 113int allow_inc_recurse = 1;
b6164938 114int xfer_dirs = -1;
1312d9fc 115int am_daemon = 0;
ba22c9e2 116int connect_timeout = 0;
a5c11139
WD		 117int keep_partial = 0;
118int safe_symlinks = 0;
119int copy_unsafe_links = 0;
41adbcec 120int munge_symlinks = 0;
a5c11139 121int size_only = 0;
9fb08441 122int daemon_bwlimit = 0;
a5c11139 123int bwlimit = 0;
c4ed1487 124int fuzzy_basis = 0;
3c74c3a3 125size_t bwlimit_writemax = 0;
e90aab49
WD		 126int ignore_existing = 0;
127int ignore_non_existing = 0;
07c6ae7d 128int need_messages_from_generator = 0;
7b9598b2 129int max_delete = INT_MIN;
9510fa9a
WD		 130OFF_T max_size = -1;
131OFF_T min_size = -1;
a5c11139
WD		 132int ignore_errors = 0;
133int modify_window = 0;
134int blocking_io = -1;
2289bf64 135int checksum_seed = 0;
a3221d2a 136int inplace = 0;
f06e7082 137int delay_updates = 0;
66ca4fc9 138int32 block_size = 0;
91fff802 139time_t stop_at_utime = 0;
b1e436ec 140char *skip_compress = NULL;
08650cb1 141char *copy_as = NULL;
2206abf8 142item_list dparam_list = EMPTY_ITEM_LIST;
b35d0d8e 143
13e29995 144/** Network address family. **/
24d677fc 145int default_af_hint
4f5b0756 146#ifdef INET6
24d677fc 147 = 0; /* Any protocol */
6ab6d4bf 148#else
24d677fc
WD		 149 = AF_INET; /* Must use IPv4 */
150# ifdef AF_INET6
151# undef AF_INET6
152# endif
153# define AF_INET6 AF_INET /* make -6 option a no-op */
6ab6d4bf 154#endif
06963d0f 155
13e29995
MP		 156/** Do not go into the background when run as --daemon. Good
157 * for debugging and required for running as a service on W32,
158 * or under Unix process-monitors. **/
1f35babc
WD		 159int no_detach
160#if defined _WIN32 || defined __WIN32__
161 = 1;
162#else
163 = 0;
164#endif
13e29995 165
088aac85
DD		 166int write_batch = 0;
167int read_batch = 0;
d175d7e1
WD		 168int backup_dir_len = 0;
169int backup_suffix_len;
e0391f81 170unsigned int backup_dir_remainder;
6902ed17 171
d175d7e1 172char *backup_suffix = NULL;
7a6421fa 173char *tmpdir = NULL;
a7260c40 174char *partial_dir = NULL;
e012f858 175char *basis_dir[MAX_BASIS_DIRS+1];
30e8c8e1 176char *config_file = NULL;
7a6421fa 177char *shell_cmd = NULL;
87c0f9d6
WD		 178char *logfile_name = NULL;
179char *logfile_format = NULL;
b3e4e7ef 180char *stdout_format = NULL;
65575e96 181char *password_file = NULL;
e16b2275 182char *early_input_file = NULL;
41bd28fe 183char *rsync_path = RSYNC_PATH;
66203a98 184char *backup_dir = NULL;
e0391f81 185char backup_dir_buf[MAXPATHLEN];
831f06a5 186char *sockopts = NULL;
2df20057
WD		 187char *usermap = NULL;
188char *groupmap = NULL;
0c56b1ad 189int rsync_port = 0;
1d6c9676 190int alt_dest_type = 0;
ce0b384f 191int basis_dir_cnt = 0;
7a6421fa 192
11eb67ee
WD		 193#define DEFAULT_MAX_ALLOC (1024L * 1024 * 1024)
194size_t max_alloc = DEFAULT_MAX_ALLOC;
195char *max_alloc_arg;
196
6b237b0f 197static int version_opt_cnt = 0;
7a2eca41
WD		 198static int remote_option_alloc = 0;
199int remote_option_cnt = 0;
200const char **remote_options = NULL;
a5a7d3a2 201const char *checksum_choice = NULL;
2f84a6bd 202const char *compress_choice = NULL;
8990ad96 203static const char *empty_argv[1];
7a2eca41 204
b86f0cef 205int quiet = 0;
dc1f7b9e 206int output_motd = 1;
e7651884 207int log_before_transfer = 0;
b3e4e7ef
WD		 208int stdout_format_has_i = 0;
209int stdout_format_has_o_or_i = 0;
87c0f9d6 210int logfile_format_has_i = 0;
87c0f9d6 211int logfile_format_has_o_or_i = 0;
7a6421fa 212int always_checksum = 0;
f7632fc6 213int list_only = 0;
7a6421fa 214
9b3318b0
WD		 215#define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
216char *batch_name = NULL;
6902ed17 217
332cf6df 218int need_unsorted_flist = 0;
2c681b87 219char *iconv_opt =
f7a76b9c 220#ifdef ICONV_OPTION
2c681b87
WD		 221 ICONV_OPTION;
222#else
223 NULL;
332cf6df
WD		 224#endif
225
dd32e2c3
WD		 226struct chmod_mode_struct *chmod_modes = NULL;
227
d239efa3 228static const char *debug_verbosity[] = {
951e826b
WD		 229 /*0*/ NULL,
230 /*1*/ NULL,
261808da 231 /*2*/ "BIND,CMD,CONNECT,DEL,DELTASUM,DUP,FILTER,FLIST,ICONV",
7ae666d2 232 /*3*/ "ACL,BACKUP,CONNECT2,DELTASUM2,DEL2,EXIT,FILTER2,FLIST2,FUZZY,GENR,OWN,RECV,SEND,TIME",
261808da
WD		 233 /*4*/ "CMD2,DELTASUM3,DEL3,EXIT2,FLIST3,ICONV2,OWN2,PROTO,TIME2",
234 /*5*/ "CHDIR,DELTASUM4,FLIST4,FUZZY2,HASH,HLINK",
951e826b
WD		 235};
236
237#define MAX_VERBOSITY ((int)(sizeof debug_verbosity / sizeof debug_verbosity[0]) - 1)
238
d239efa3 239static const char *info_verbosity[1+MAX_VERBOSITY] = {
e4669b81 240 /*0*/ "NONREG",
261808da 241 /*1*/ "COPY,DEL,FLIST,MISC,NAME,STATS,SYMSAFE",
3b8f8192 242 /*2*/ "BACKUP,MISC2,MOUNT,NAME2,REMOVE,SKIP",
951e826b
WD		 243};
244
245#define MAX_OUT_LEVEL 4 /* The largest N allowed for any flagN word. */
246
247short info_levels[COUNT_INFO], debug_levels[COUNT_DEBUG];
248
249#define DEFAULT_PRIORITY 0 /* Default/implied/--verbose set values. */
250#define HELP_PRIORITY 1 /* The help output uses this level. */
251#define USER_PRIORITY 2 /* User-specified via --info or --debug */
252#define LIMIT_PRIORITY 3 /* Overriding priority when limiting values. */
253
254#define W_CLI (1<<0) /* client side */
255#define W_SRV (1<<1) /* server side */
256#define W_SND (1<<2) /* sending side */
257#define W_REC (1<<3) /* receiving side */
258
259struct output_struct {
260 char *name; /* The name of the info/debug flag. */
261 char *help; /* The description of the info/debug flag. */
d239efa3
WD		 262 uchar namelen; /* The length of the name string. */
263 uchar flag; /* The flag's value, for consistency check. */
264 uchar where; /* Bits indicating where the flag is used. */
265 uchar priority; /* See *_PRIORITY defines. */
951e826b
WD		 266};
267
d239efa3 268#define INFO_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, INFO_##flag, where, 0 }
951e826b 269
75d96978 270static struct output_struct info_words[COUNT_INFO+1] = {
951e826b
WD		 271 INFO_WORD(BACKUP, W_REC, "Mention files backed up"),
272 INFO_WORD(COPY, W_REC, "Mention files copied locally on the receiving side"),
273 INFO_WORD(DEL, W_REC, "Mention deletions on the receiving side"),
274 INFO_WORD(FLIST, W_CLI, "Mention file-list receiving/sending (levels 1-2)"),
3b8f8192 275 INFO_WORD(MISC, W_SND|W_REC, "Mention miscellaneous information (levels 1-2)"),
951e826b
WD		 276 INFO_WORD(MOUNT, W_SND|W_REC, "Mention mounts that were found or skipped"),
277 INFO_WORD(NAME, W_SND|W_REC, "Mention 1) updated file/dir names, 2) unchanged names"),
e4669b81 278 INFO_WORD(NONREG, W_REC, "Mention skipped non-regular files (default 1, 0 disables)"),
951e826b
WD		 279 INFO_WORD(PROGRESS, W_CLI, "Mention 1) per-file progress or 2) total transfer progress"),
280 INFO_WORD(REMOVE, W_SND, "Mention files removed on the sending side"),
e4669b81 281 INFO_WORD(SKIP, W_REC, "Mention files skipped due to transfer overrides (levels 1-2)"),
951e826b
WD		 282 INFO_WORD(STATS, W_CLI|W_SRV, "Mention statistics at end of run (levels 1-3)"),
283 INFO_WORD(SYMSAFE, W_SND|W_REC, "Mention symlinks that are unsafe"),
d239efa3 284 { NULL, "--info", 0, 0, 0, 0 }
951e826b
WD		 285};
286
d239efa3 287#define DEBUG_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, DEBUG_##flag, where, 0 }
951e826b 288
75d96978 289static struct output_struct debug_words[COUNT_DEBUG+1] = {
951e826b
WD		 290 DEBUG_WORD(ACL, W_SND|W_REC, "Debug extra ACL info"),
291 DEBUG_WORD(BACKUP, W_REC, "Debug backup actions (levels 1-2)"),
292 DEBUG_WORD(BIND, W_CLI, "Debug socket bind actions"),
293 DEBUG_WORD(CHDIR, W_CLI|W_SRV, "Debug when the current directory changes"),
7ae666d2 294 DEBUG_WORD(CONNECT, W_CLI, "Debug connection events (levels 1-2)"),
951e826b
WD		 295 DEBUG_WORD(CMD, W_CLI, "Debug commands+options that are issued (levels 1-2)"),
296 DEBUG_WORD(DEL, W_REC, "Debug delete actions (levels 1-3)"),
5a18b34d 297 DEBUG_WORD(DELTASUM, W_SND|W_REC, "Debug delta-transfer checksumming (levels 1-4)"),
951e826b 298 DEBUG_WORD(DUP, W_REC, "Debug weeding of duplicate names"),
0c2e8f93 299 DEBUG_WORD(EXIT, W_CLI|W_SRV, "Debug exit events (levels 1-3)"),
7e5424b8 300 DEBUG_WORD(FILTER, W_SND|W_REC, "Debug filter actions (levels 1-3)"),
951e826b
WD		 301 DEBUG_WORD(FLIST, W_SND|W_REC, "Debug file-list operations (levels 1-4)"),
302 DEBUG_WORD(FUZZY, W_REC, "Debug fuzzy scoring (levels 1-2)"),
303 DEBUG_WORD(GENR, W_REC, "Debug generator functions"),
b3347e2a 304 DEBUG_WORD(HASH, W_SND|W_REC, "Debug hashtable code"),
86be7a0e 305 DEBUG_WORD(HLINK, W_SND|W_REC, "Debug hard-link actions (levels 1-3)"),
c9f540f3 306 DEBUG_WORD(ICONV, W_CLI|W_SRV, "Debug iconv character conversions (levels 1-2)"),
20caffd2 307 DEBUG_WORD(IO, W_CLI|W_SRV, "Debug I/O routines (levels 1-4)"),
2f84a6bd 308 DEBUG_WORD(NSTR, W_CLI|W_SRV, "Debug negotiation strings"),
951e826b
WD		 309 DEBUG_WORD(OWN, W_REC, "Debug ownership changes in users & groups (levels 1-2)"),
310 DEBUG_WORD(PROTO, W_CLI|W_SRV, "Debug protocol information"),
311 DEBUG_WORD(RECV, W_REC, "Debug receiver functions"),
312 DEBUG_WORD(SEND, W_SND, "Debug sender functions"),
313 DEBUG_WORD(TIME, W_REC, "Debug setting of modified times (levels 1-2)"),
d239efa3 314 { NULL, "--debug", 0, 0, 0, 0 }
951e826b
WD		 315};
316
317static int verbose = 0;
318static int do_stats = 0;
319static int do_progress = 0;
e1add893 320static int daemon_opt; /* sets am_daemon after option error-reporting */
aa4d3b4c 321static int F_option_cnt = 0;
5b56cc19 322static int modify_window_set;
624d6be2 323static int itemize_changes = 0;
854a1aad 324static int refused_delete, refused_archive_part, refused_compress;
3296f91b 325static int refused_partial, refused_progress, refused_delete_before;
e0e32031 326static int refused_delete_during;
0b52f94d 327static int refused_inplace, refused_no_iconv;
2df20057 328static BOOL usermap_via_chown, groupmap_via_chown;
6686b93a 329static char *outbuf_mode;
ce795fcd 330static char *bwlimit_arg, *max_size_arg, *min_size_arg;
77860bac 331static char tmp_partialdir[] = ".~tmp~";
5b56cc19 332
06963d0f 333/** Local address to bind. As a character string because it's
fdf57ede 334 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
06963d0f
MP		 335 * address, or a hostname. **/
336char *bind_address;
5c9730a4 337
951e826b
WD		 338static void output_item_help(struct output_struct *words);
339
340/* This constructs a string that represents all the options set for either
341 * the --info or --debug setting, skipping any implied options (by -v, etc.).
342 * This is used both when conveying the user's options to the server, and
343 * when the help output wants to tell the user what options are implied. */
d239efa3 344static char *make_output_option(struct output_struct *words, short *levels, uchar where)
951e826b
WD		 345{
346 char *str = words == info_words ? "--info=" : "--debug=";
347 int j, counts[MAX_OUT_LEVEL+1], pos, skipped = 0, len = 0, max = 0, lev = 0;
348 int word_count = words == info_words ? COUNT_INFO : COUNT_DEBUG;
349 char *buf;
350
351 memset(counts, 0, sizeof counts);
352
353 for (j = 0; words[j].name; j++) {
354 if (words[j].flag != j) {
355 rprintf(FERROR, "rsync: internal error on %s%s: %d != %d\n",
356 words == info_words ? "INFO_" : "DEBUG_",
357 words[j].name, words[j].flag, j);
358 exit_cleanup(RERR_UNSUPPORTED);
359 }
360 if (!(words[j].where & where))
361 continue;
362 if (words[j].priority == DEFAULT_PRIORITY) {
363 /* Implied items don't need to be mentioned. */
364 skipped++;
365 continue;
366 }
367 len += len ? 1 : strlen(str);
368 len += strlen(words[j].name);
369 len += levels[j] == 1 ? 0 : 1;
370
371 if (words[j].priority == HELP_PRIORITY)
372 continue; /* no abbreviating for help */
373
374 assert(levels[j] <= MAX_OUT_LEVEL);
375 if (++counts[levels[j]] > max) {
376 /* Determine which level has the most items. */
377 lev = levels[j];
378 max = counts[lev];
379 }
380 }
381
382 /* Sanity check the COUNT_* define against the length of the table. */
383 if (j != word_count) {
384 rprintf(FERROR, "rsync: internal error: %s is wrong! (%d != %d)\n",
385 words == info_words ? "COUNT_INFO" : "COUNT_DEBUG",
386 j, word_count);
387 exit_cleanup(RERR_UNSUPPORTED);
388 }
389
390 if (!len)
391 return NULL;
392
393 len++;
11eb67ee 394 buf = new_array(char, len);
951e826b
WD		 395 pos = 0;
396
397 if (skipped || max < 5)
398 lev = -1;
399 else {
400 if (lev == 0)
401 pos += snprintf(buf, len, "%sNONE", str);
402 else if (lev == 1)
403 pos += snprintf(buf, len, "%sALL", str);
404 else
405 pos += snprintf(buf, len, "%sALL%d", str, lev);
406 }
407
408 for (j = 0; words[j].name && pos < len; j++) {
409 if (words[j].priority == DEFAULT_PRIORITY || levels[j] == lev || !(words[j].where & where))
410 continue;
411 if (pos)
412 buf[pos++] = ',';
413 else
414 pos += strlcpy(buf+pos, str, len-pos);
415 if (pos < len)
416 pos += strlcpy(buf+pos, words[j].name, len-pos);
417 /* Level 1 is implied by the name alone. */
418 if (levels[j] != 1 && pos < len)
419 buf[pos++] = '0' + levels[j];
420 }
421
422 buf[pos] = '\0';
423
424 return buf;
425}
426
e63ff70e 427static void parse_output_words(struct output_struct *words, short *levels, const char *str, uchar priority)
951e826b
WD		 428{
429 const char *s;
430 int j, len, lev;
431
cbc42b9c 432 for ( ; str; str = s) {
951e826b
WD		 433 if ((s = strchr(str, ',')) != NULL)
434 len = s++ - str;
435 else
436 len = strlen(str);
cbc42b9c
WD		 437 if (!len)
438 continue;
439 if (!isDigit(str)) {
440 while (len && isDigit(str+len-1))
441 len--;
442 }
951e826b
WD		 443 lev = isDigit(str+len) ? atoi(str+len) : 1;
444 if (lev > MAX_OUT_LEVEL)
445 lev = MAX_OUT_LEVEL;
446 if (len == 4 && strncasecmp(str, "help", 4) == 0) {
447 output_item_help(words);
448 exit_cleanup(0);
449 }
450 if (len == 4 && strncasecmp(str, "none", 4) == 0)
451 len = lev = 0;
452 else if (len == 3 && strncasecmp(str, "all", 3) == 0)
453 len = 0;
454 for (j = 0; words[j].name; j++) {
455 if (!len
d239efa3 456 || (len == words[j].namelen && strncasecmp(str, words[j].name, len) == 0)) {
951e826b
WD		 457 if (priority >= words[j].priority) {
458 words[j].priority = priority;
459 levels[j] = lev;
460 }
461 if (len)
462 break;
463 }
464 }
2f84a6bd 465 if (len && !words[j].name && !am_server) {
75d96978
WD		 466 rprintf(FERROR, "Unknown %s item: \"%.*s\"\n",
467 words[j].help, len, str);
951e826b
WD		 468 exit_cleanup(RERR_SYNTAX);
469 }
951e826b
WD		 470 }
471}
472
473/* Tell the user what all the info or debug flags mean. */
474static void output_item_help(struct output_struct *words)
475{
476 short *levels = words == info_words ? info_levels : debug_levels;
d239efa3 477 const char **verbosity = words == info_words ? info_verbosity : debug_verbosity;
951e826b
WD		 478 char buf[128], *opt, *fmt = "%-10s %s\n";
479 int j;
480
75d96978
WD		 481 reset_output_levels();
482
951e826b
WD		 483 rprintf(FINFO, "Use OPT or OPT1 for level 1 output, OPT2 for level 2, etc.; OPT0 silences.\n");
484 rprintf(FINFO, "\n");
485 for (j = 0; words[j].name; j++)
486 rprintf(FINFO, fmt, words[j].name, words[j].help);
487 rprintf(FINFO, "\n");
488
489 snprintf(buf, sizeof buf, "Set all %s options (e.g. all%d)",
490 words[j].help, MAX_OUT_LEVEL);
491 rprintf(FINFO, fmt, "ALL", buf);
492
493 snprintf(buf, sizeof buf, "Silence all %s options (same as all0)",
494 words[j].help);
495 rprintf(FINFO, fmt, "NONE", buf);
496
497 rprintf(FINFO, fmt, "HELP", "Output this help message");
498 rprintf(FINFO, "\n");
e4669b81 499 rprintf(FINFO, "Options added at each level of verbosity:\n");
951e826b 500
e4669b81 501 for (j = 0; j <= MAX_VERBOSITY; j++) {
75d96978 502 parse_output_words(words, levels, verbosity[j], HELP_PRIORITY);
951e826b
WD		 503 opt = make_output_option(words, levels, W_CLI|W_SRV|W_SND|W_REC);
504 if (opt) {
505 rprintf(FINFO, "%d) %s\n", j, strchr(opt, '=')+1);
506 free(opt);
507 }
75d96978 508 reset_output_levels();
951e826b 509 }
951e826b
WD		 510}
511
512/* The --verbose option now sets info+debug flags. */
d239efa3 513static void set_output_verbosity(int level, uchar priority)
951e826b
WD		 514{
515 int j;
516
517 if (level > MAX_VERBOSITY)
518 level = MAX_VERBOSITY;
519
e4669b81 520 for (j = 0; j <= level; j++) {
951e826b
WD		 521 parse_output_words(info_words, info_levels, info_verbosity[j], priority);
522 parse_output_words(debug_words, debug_levels, debug_verbosity[j], priority);
523 }
524}
525
526/* Limit the info+debug flag levels given a verbose-option level limit. */
527void limit_output_verbosity(int level)
528{
529 short info_limits[COUNT_INFO], debug_limits[COUNT_DEBUG];
530 int j;
531
532 if (level > MAX_VERBOSITY)
533 return;
534
535 memset(info_limits, 0, sizeof info_limits);
536 memset(debug_limits, 0, sizeof debug_limits);
537
538 /* Compute the level limits in the above arrays. */
e4669b81 539 for (j = 0; j <= level; j++) {
951e826b
WD		 540 parse_output_words(info_words, info_limits, info_verbosity[j], LIMIT_PRIORITY);
541 parse_output_words(debug_words, debug_limits, debug_verbosity[j], LIMIT_PRIORITY);
542 }
543
544 for (j = 0; j < COUNT_INFO; j++) {
545 if (info_levels[j] > info_limits[j])
546 info_levels[j] = info_limits[j];
547 }
548
549 for (j = 0; j < COUNT_DEBUG; j++) {
550 if (debug_levels[j] > debug_limits[j])
551 debug_levels[j] = debug_limits[j];
552 }
553}
554
555void reset_output_levels(void)
556{
557 int j;
558
559 memset(info_levels, 0, sizeof info_levels);
560 memset(debug_levels, 0, sizeof debug_levels);
561
562 for (j = 0; j < COUNT_INFO; j++)
563 info_words[j].priority = DEFAULT_PRIORITY;
564
565 for (j = 0; j < COUNT_DEBUG; j++)
566 debug_words[j].priority = DEFAULT_PRIORITY;
567}
568
569void negate_output_levels(void)
570{
571 int j;
572
573 for (j = 0; j < COUNT_INFO; j++)
574 info_levels[j] *= -1;
575
576 for (j = 0; j < COUNT_DEBUG; j++)
577 debug_levels[j] *= -1;
578}
7a24c346 579
342579aa 580enum {OPT_SERVER = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
05724c07 581 OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP,
e16adcdf 582 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD,
9ac756c6 583 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
66ca4fc9 584 OPT_NO_D, OPT_APPEND, OPT_NO_ICONV, OPT_INFO, OPT_DEBUG, OPT_BLOCK_SIZE,
21ecc833 585 OPT_USERMAP, OPT_GROUPMAP, OPT_CHOWN, OPT_BWLIMIT, OPT_STDERR,
635d8c06 586 OPT_OLD_COMPRESS, OPT_NEW_COMPRESS, OPT_NO_COMPRESS, OPT_OLD_ARGS,
af531cf7 587 OPT_STOP_AFTER, OPT_STOP_AT,
342579aa 588 OPT_REFUSED_BASE = 9000};
7a6421fa 589
2855f61f
MP		 590static struct poptOption long_options[] = {
591 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
05724c07 592 {"help", 0, POPT_ARG_NONE, 0, OPT_HELP, 0, 0 },
342579aa 593 {"version", 'V', POPT_ARG_NONE, 0, 'V', 0, 0},
e86e2fa1 594 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
b6164938 595 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
4afcb709 596 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
951e826b
WD		 597 {"info", 0, POPT_ARG_STRING, 0, OPT_INFO, 0, 0 },
598 {"debug", 0, POPT_ARG_STRING, 0, OPT_DEBUG, 0, 0 },
21ecc833 599 {"stderr", 0, POPT_ARG_STRING, 0, OPT_STDERR, 0, 0 },
592059c8 600 {"msgs2stderr", 0, POPT_ARG_VAL, &msgs2stderr, 1, 0, 0 },
c0268d92 601 {"no-msgs2stderr", 0, POPT_ARG_VAL, &msgs2stderr, 0, 0, 0 },
e86e2fa1 602 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
dc1f7b9e
WD		 603 {"motd", 0, POPT_ARG_VAL, &output_motd, 1, 0, 0 },
604 {"no-motd", 0, POPT_ARG_VAL, &output_motd, 0, 0, 0 },
e86e2fa1 605 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
3ca9e5d8 606 {"human-readable", 'h', POPT_ARG_NONE, 0, 'h', 0, 0},
8487f9cf
WD		 607 {"no-human-readable",0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
608 {"no-h", 0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
e86e2fa1 609 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
b6164938
WD		 610 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
611 {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 },
612 {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
8487f9cf 613 {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
5275029d 614 {"inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
5275029d 615 {"no-inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
d6ca255c
WD		 616 {"i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
617 {"no-i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
e86e2fa1 618 {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
b6164938
WD		 619 {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
620 {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
73cb6738
WD		 621 {"old-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
622 {"old-d", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
b6164938
WD		 623 {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
624 {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
625 {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
344f9ba7 626 {"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 },
1c3344a1
WD		 627 {"acls", 'A', POPT_ARG_NONE, 0, 'A', 0, 0 },
628 {"no-acls", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
629 {"no-A", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
16edf865
WD		 630 {"xattrs", 'X', POPT_ARG_NONE, 0, 'X', 0, 0 },
631 {"no-xattrs", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
632 {"no-X", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
b774dbc1
WD		 633 {"times", 't', POPT_ARG_VAL, &preserve_mtimes, 1, 0, 0 },
634 {"no-times", 0, POPT_ARG_VAL, &preserve_mtimes, 0, 0, 0 },
635 {"no-t", 0, POPT_ARG_VAL, &preserve_mtimes, 0, 0, 0 },
b9367410
WD		 636 {"atimes", 'U', POPT_ARG_NONE, 0, 'U', 0, 0 },
637 {"no-atimes", 0, POPT_ARG_VAL, &preserve_atimes, 0, 0, 0 },
638 {"no-U", 0, POPT_ARG_VAL, &preserve_atimes, 0, 0, 0 },
87257f86
WD		 639 {"open-noatime", 0, POPT_ARG_VAL, &open_noatime, 1, 0, 0 },
640 {"no-open-noatime", 0, POPT_ARG_VAL, &open_noatime, 0, 0, 0 },
974f49e2
WD		 641 {"crtimes", 'N', POPT_ARG_VAL, &preserve_crtimes, 1, 0, 0 },
642 {"no-crtimes", 0, POPT_ARG_VAL, &preserve_crtimes, 0, 0, 0 },
643 {"no-N", 0, POPT_ARG_VAL, &preserve_crtimes, 0, 0, 0 },
f9998046 644 {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 1, 0, 0 },
eb7a6e09
WD		 645 {"no-omit-dir-times",0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
646 {"no-O", 0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
2624e005
WD		 647 {"omit-link-times", 'J', POPT_ARG_VAL, &omit_link_times, 1, 0, 0 },
648 {"no-omit-link-times",0, POPT_ARG_VAL, &omit_link_times, 0, 0, 0 },
649 {"no-J", 0, POPT_ARG_VAL, &omit_link_times, 0, 0, 0 },
839dbff2 650 {"modify-window", '@', POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
def97ff9
WD		 651 {"super", 0, POPT_ARG_VAL, &am_root, 2, 0, 0 },
652 {"no-super", 0, POPT_ARG_VAL, &am_root, 0, 0, 0 },
9439c0cb 653 {"fake-super", 0, POPT_ARG_VAL, &am_root, -1, 0, 0 },
b6164938
WD		 654 {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 },
655 {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
656 {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
657 {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 },
658 {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
659 {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
b5c6a6ae
WD		 660 {0, 'D', POPT_ARG_NONE, 0, 'D', 0, 0 },
661 {"no-D", 0, POPT_ARG_NONE, 0, OPT_NO_D, 0, 0 },
662 {"devices", 0, POPT_ARG_VAL, &preserve_devices, 1, 0, 0 },
b6164938 663 {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
8aa46511 664 {"copy-devices", 0, POPT_ARG_NONE, &copy_devices, 0, 0, 0 },
9e9d33a2
WD		 665 {"write-devices", 0, POPT_ARG_VAL, &write_devices, 1, 0, 0 },
666 {"no-write-devices", 0, POPT_ARG_VAL, &write_devices, 0, 0, 0 },
b5c6a6ae
WD		 667 {"specials", 0, POPT_ARG_VAL, &preserve_specials, 1, 0, 0 },
668 {"no-specials", 0, POPT_ARG_VAL, &preserve_specials, 0, 0, 0 },
e86e2fa1 669 {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 },
b6164938
WD		 670 {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
671 {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
e86e2fa1
WD		 672 {"copy-links", 'L', POPT_ARG_NONE, &copy_links, 0, 0, 0 },
673 {"copy-unsafe-links",0, POPT_ARG_NONE, &copy_unsafe_links, 0, 0, 0 },
674 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
41adbcec
WD		 675 {"munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 1, 0, 0 },
676 {"no-munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 0, 0, 0 },
2dbf36ef 677 {"copy-dirlinks", 'k', POPT_ARG_NONE, &copy_dirlinks, 0, 0, 0 },
e86e2fa1 678 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
e0e32031 679 {"hard-links", 'H', POPT_ARG_NONE, 0, 'H', 0, 0 },
beab3078
WD		 680 {"no-hard-links", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
681 {"no-H", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
e86e2fa1
WD		 682 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
683 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
b6164938 684 {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
2dbf36ef 685 {"implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
e86e2fa1 686 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
d6ca255c
WD		 687 {"i-d", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
688 {"no-i-d", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
e16adcdf 689 {"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 },
afb6e945
WD		 690 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
691 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
243c995f 692 {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 },
8b48c682
WD		 693 {"no-one-file-system",0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
694 {"no-x", 0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
e86e2fa1 695 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
e90aab49 696 {"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
e90aab49 697 {"ignore-non-existing",0,POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
d2da915c 698 {"ignore-existing", 0, POPT_ARG_NONE, &ignore_existing, 0, 0, 0 },
aeb213ea 699 {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
74de13d1 700 {"min-size", 0, POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 },
11eb67ee 701 {"max-alloc", 0, POPT_ARG_STRING, &max_alloc_arg, 0, 0, 0 },
852e763b
WD		 702 {"sparse", 'S', POPT_ARG_VAL, &sparse_files, 1, 0, 0 },
703 {"no-sparse", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
704 {"no-S", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
28b519c9 705 {"preallocate", 0, POPT_ARG_NONE, &preallocate_files, 0, 0, 0},
852e763b
WD		 706 {"inplace", 0, POPT_ARG_VAL, &inplace, 1, 0, 0 },
707 {"no-inplace", 0, POPT_ARG_VAL, &inplace, 0, 0, 0 },
936fa865
WD		 708 {"append", 0, POPT_ARG_NONE, 0, OPT_APPEND, 0, 0 },
709 {"append-verify", 0, POPT_ARG_VAL, &append_mode, 2, 0, 0 },
710 {"no-append", 0, POPT_ARG_VAL, &append_mode, 0, 0, 0 },
3671987f 711 {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
3359acb8 712 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
e0e32031 713 {"delete-before", 0, POPT_ARG_NONE, &delete_before, 0, 0, 0 },
b0cacef1
WD		 714 {"delete-during", 0, POPT_ARG_VAL, &delete_during, 1, 0, 0 },
715 {"delete-delay", 0, POPT_ARG_VAL, &delete_during, 2, 0, 0 },
51d48398
WD		 716 {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
717 {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
42d8ec61
WD		 718 {"delete-missing-args",0,POPT_BIT_SET, &missing_args, 2, 0, 0 },
719 {"ignore-missing-args",0,POPT_BIT_SET, &missing_args, 1, 0, 0 },
47c11975
WD		 720 {"remove-sent-files",0, POPT_ARG_VAL, &remove_source_files, 2, 0, 0 }, /* deprecated */
721 {"remove-source-files",0,POPT_ARG_VAL, &remove_source_files, 1, 0, 0 },
852e763b
WD		 722 {"force", 0, POPT_ARG_VAL, &force_delete, 1, 0, 0 },
723 {"no-force", 0, POPT_ARG_VAL, &force_delete, 0, 0, 0 },
724 {"ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 1, 0, 0 },
725 {"no-ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 0, 0, 0 },
e86e2fa1
WD		 726 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
727 {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
aa4d3b4c 728 {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
8db7cc2c
WD		 729 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
730 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
731 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
732 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
afb6e945 733 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
afb6e945
WD		 734 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
735 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
b6164938 736 {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
8487f9cf
WD		 737 {"checksum", 'c', POPT_ARG_VAL, &always_checksum, 1, 0, 0 },
738 {"no-checksum", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
739 {"no-c", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
64d5ea39
WD		 740 {"checksum-choice", 0, POPT_ARG_STRING, &checksum_choice, 0, 0, 0 },
741 {"cc", 0, POPT_ARG_STRING, &checksum_choice, 0, 0, 0 },
66ca4fc9 742 {"block-size", 'B', POPT_ARG_STRING, 0, OPT_BLOCK_SIZE, 0, 0 },
e012f858 743 {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
1de3e99b 744 {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
e012f858 745 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
48b51d00 746 {"fuzzy", 'y', POPT_ARG_NONE, 0, 'y', 0, 0 },
852e763b 747 {"no-fuzzy", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
492ad042 748 {"no-y", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
854a1aad 749 {"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 },
64d5ea39
WD		 750 {"old-compress", 0, POPT_ARG_NONE, 0, OPT_OLD_COMPRESS, 0, 0 },
751 {"new-compress", 0, POPT_ARG_NONE, 0, OPT_NEW_COMPRESS, 0, 0 },
752 {"no-compress", 0, POPT_ARG_NONE, 0, OPT_NO_COMPRESS, 0, 0 },
753 {"no-z", 0, POPT_ARG_NONE, 0, OPT_NO_COMPRESS, 0, 0 },
754 {"compress-choice", 0, POPT_ARG_STRING, &compress_choice, 0, 0, 0 },
24ce3e9d 755 {"zc", 0, POPT_ARG_STRING, &compress_choice, 0, 0, 0 },
852e763b 756 {"skip-compress", 0, POPT_ARG_STRING, &skip_compress, 0, 0, 0 },
d999efe6 757 {"compress-level", 0, POPT_ARG_INT, &do_compression_level, 0, 0, 0 },
30945523 758 {"zl", 0, POPT_ARG_INT, &do_compression_level, 0, 0, 0 },
11bfaf63 759 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
b6164938
WD		 760 {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 },
761 {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 },
762 {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 },
763 {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 },
a7260c40 764 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
8487f9cf
WD		 765 {"delay-updates", 0, POPT_ARG_VAL, &delay_updates, 1, 0, 0 },
766 {"no-delay-updates", 0, POPT_ARG_VAL, &delay_updates, 0, 0, 0 },
852e763b
WD		 767 {"prune-empty-dirs",'m', POPT_ARG_VAL, &prune_empty_dirs, 1, 0, 0 },
768 {"no-prune-empty-dirs",0,POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
769 {"no-m", 0, POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
87c0f9d6 770 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
b3e4e7ef
WD		 771 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
772 {"out-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 },
773 {"log-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 }, /* DEPRECATED */
487094a0 774 {"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 },
8487f9cf
WD		 775 {"no-itemize-changes",0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
776 {"no-i", 0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
ce795fcd 777 {"bwlimit", 0, POPT_ARG_STRING, &bwlimit_arg, OPT_BWLIMIT, 0, 0 },
8487f9cf
WD		 778 {"no-bwlimit", 0, POPT_ARG_VAL, &bwlimit, 0, 0, 0 },
779 {"backup", 'b', POPT_ARG_VAL, &make_backups, 1, 0, 0 },
780 {"no-backup", 0, POPT_ARG_VAL, &make_backups, 0, 0, 0 },
afb6e945 781 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
e86e2fa1
WD		 782 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
783 {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
8db7cc2c
WD		 784 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
785 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
11e758a4 786 {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
ea5164d1 787 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
8487f9cf
WD		 788 {"from0", '0', POPT_ARG_VAL, &eol_nulls, 1, 0, 0},
789 {"no-from0", 0, POPT_ARG_VAL, &eol_nulls, 0, 0, 0},
635d8c06 790 {"old-args", 0, POPT_ARG_NONE, 0, OPT_OLD_ARGS, 0, 0},
6b8db0f6 791 {"no-old-args", 0, POPT_ARG_VAL, &old_style_args, 0, 0, 0},
0a09df2c
WD		 792 {"secluded-args", 's', POPT_ARG_VAL, &protect_args, 1, 0, 0},
793 {"no-secluded-args", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
794 {"protect-args", 0, POPT_ARG_VAL, &protect_args, 1, 0, 0},
c35d6e35
WD		 795 {"no-protect-args", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
796 {"no-s", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
cff8f044 797 {"trust-sender", 0, POPT_ARG_VAL, &trust_sender, 1, 0, 0},
8487f9cf
WD		 798 {"numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 1, 0, 0 },
799 {"no-numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 0, 0, 0 },
2df20057
WD		 800 {"usermap", 0, POPT_ARG_STRING, 0, OPT_USERMAP, 0, 0 },
801 {"groupmap", 0, POPT_ARG_STRING, 0, OPT_GROUPMAP, 0, 0 },
802 {"chown", 0, POPT_ARG_STRING, 0, OPT_CHOWN, 0, 0 },
e86e2fa1 803 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
8487f9cf 804 {"no-timeout", 0, POPT_ARG_VAL, &io_timeout, 0, 0, 0 },
ba22c9e2 805 {"contimeout", 0, POPT_ARG_INT, &connect_timeout, 0, 0, 0 },
852e763b 806 {"no-contimeout", 0, POPT_ARG_VAL, &connect_timeout, 0, 0, 0 },
82f023d7 807 {"fsync", 0, POPT_ARG_NONE, &do_fsync, 0, 0, 0 },
af531cf7
WD		 808 {"stop-after", 0, POPT_ARG_STRING, 0, OPT_STOP_AFTER, 0, 0 },
809 {"time-limit", 0, POPT_ARG_STRING, 0, OPT_STOP_AFTER, 0, 0 }, /* earlier stop-after name */
810 {"stop-at", 0, POPT_ARG_STRING, 0, OPT_STOP_AT, 0, 0 },
e86e2fa1
WD		 811 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
812 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
813 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
332cf6df 814 {"iconv", 0, POPT_ARG_STRING, &iconv_opt, 0, 0, 0 },
0b52f94d 815 {"no-iconv", 0, POPT_ARG_NONE, 0, OPT_NO_ICONV, 0, 0 },
3dd22903
WD		 816 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
817 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
852e763b
WD		 818 {"8-bit-output", '8', POPT_ARG_VAL, &allow_8bit_chars, 1, 0, 0 },
819 {"no-8-bit-output", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
820 {"no-8", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
01742c07
WD		 821 {"mkpath", 0, POPT_ARG_VAL, &mkpath_dest_arg, 1, 0, 0 },
822 {"no-mkpath", 0, POPT_ARG_VAL, &mkpath_dest_arg, 0, 0, 0 },
8487f9cf 823 {"qsort", 0, POPT_ARG_NONE, &use_qsort, 0, 0, 0 },
08650cb1 824 {"copy-as", 0, POPT_ARG_STRING, &copy_as, 0, 0, 0 },
e86e2fa1
WD		 825 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
826 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
831f06a5 827 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
e86e2fa1 828 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
e16b2275 829 {"early-input", 0, POPT_ARG_STRING, &early_input_file, 0, 0, 0 },
e86e2fa1
WD		 830 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
831 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
6686b93a 832 {"outbuf", 0, POPT_ARG_STRING, &outbuf_mode, 0, 0, 0 },
7a2eca41 833 {"remote-option", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
e86e2fa1
WD		 834 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
835 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
0ccffd7c 836 {"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 },
e86e2fa1
WD		 837 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
838 /* All the following options switch us into daemon-mode option-parsing. */
3ac7f5d4
WD		 839 {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
840 {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
2206abf8 841 {"dparam", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
1f35babc 842 {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
3ac7f5d4 843 {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
3ac7f5d4
WD		 844 {0,0,0,0, 0, 0, 0}
845};
846
3ac7f5d4
WD		 847static struct poptOption long_daemon_options[] = {
848 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
849 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
9fb08441 850 {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
3ac7f5d4
WD		 851 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
852 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
2206abf8 853 {"dparam", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
3ac7f5d4
WD		 854 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
855 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
1f35babc 856 {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
8487f9cf 857 {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
87c0f9d6 858 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
232658d9 859 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
3ac7f5d4 860 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
831f06a5 861 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
3ac7f5d4
WD		 862 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
863 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
b8cc3587 864 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
1bd9db74 865 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
b6e22a47
WD		 866 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
867 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
3ac7f5d4 868 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
ad715008 869 {0,0,0,0, 0, 0, 0}
2855f61f 870};
7a6421fa 871
06963d0f 872
e51094b7 873static char err_buf[200];
cd8185f2 874
2855f61f 875
dafe63ca
MP		 876/**
877 * Store the option error message, if any, so that we can log the
878 * connection attempt (which requires parsing the options), and then
879 * show the error later on.
880 **/
cd8185f2
AT		 881void option_error(void)
882{
e51094b7 883 if (!err_buf[0]) {
c9bce0b8
WD		 884 strlcpy(err_buf, "Error parsing options: option may "
885 "be supported on client but not on server?\n",
886 sizeof err_buf);
cd8185f2 887 }
e51094b7 888
e51094b7 889 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
f60bd811 890 io_flush(MSG_FLUSH);
8f1dc165 891 msleep(20);
cd8185f2
AT		 892}
893
dafe63ca 894
3b36bde9 895static void parse_one_refuse_match(int negated, const char *ref, const struct poptOption *list_end)
b3a1a0ca
WD		 896{
897 struct poptOption *op;
898 char shortName[2];
899 int is_wild = strpbrk(ref, "*?[") != NULL;
900 int found_match = 0;
901
902 shortName[1] = '\0';
903
904 if (strcmp("a", ref) == 0 || strcmp("archive", ref) == 0) {
905 ref = "[ardlptgoD]";
906 is_wild = 1;
907 }
908
909 for (op = long_options; op != list_end; op++) {
910 *shortName = op->shortName;
911 if ((op->longName && wildmatch(ref, op->longName))
912 || (*shortName && wildmatch(ref, shortName))) {
be7af36c
WD		 913 if (op->descrip[1] == '*')
914 op->descrip = negated ? "a*" : "r*";
b3a1a0ca 915 else if (!is_wild)
be7af36c 916 op->descrip = negated ? "a=" : "r=";
b3a1a0ca
WD		 917 found_match = 1;
918 if (!is_wild)
919 break;
920 }
921 }
922
923 if (!found_match)
924 rprintf(FLOG, "No match for refuse-options string \"%s\"\n", ref);
925}
926
927
dafe63ca 928/**
27ed20f7
WD		 929 * Tweak the option table to disable all options that the rsyncd.conf
930 * file has told us to refuse.
dafe63ca 931 **/
b3a1a0ca 932static void set_refuse_options(void)
cd8185f2 933{
b3a1a0ca
WD		 934 struct poptOption *op, *list_end = NULL;
935 char *cp, *ref = lp_refuse_options(module_id);
936 int negated;
093e816c 937
b3a1a0ca
WD		 938 if (!ref)
939 ref = "";
27ed20f7 940
d4fc18f3
WD		 941 if (!am_daemon)
942 ref = "";
b3a1a0ca
WD		 943
944 /* We abuse the descrip field in poptOption to make it easy to flag which options
945 * are refused (since we don't use it otherwise). Start by marking all options
be7af36c 946 * as "a"ccepted with a few options also marked as non-wild. */
b3a1a0ca
WD		 947 for (op = long_options; ; op++) {
948 const char *longName = op->longName ? op->longName : "";
949 if (!op->longName && !op->shortName) {
950 list_end = op;
06a50542 951 break;
d73e7f6e 952 }
d4fc18f3
WD		 953 if (!am_daemon
954 || op->shortName == 'e' /* Required for compatibility flags */
b3a1a0ca 955 || op->shortName == '0' /* --from0 just modifies --files-from, so refuse that instead (or not) */
0a09df2c 956 || op->shortName == 's' /* --secluded-args is always OK */
b3a1a0ca 957 || op->shortName == 'n' /* --dry-run is always OK */
b3a1a0ca
WD		 958 || strcmp("iconv", longName) == 0
959 || strcmp("no-iconv", longName) == 0
960 || strcmp("checksum-seed", longName) == 0
8aa46511 961 || strcmp("copy-devices", longName) == 0 /* disable wild-match (it gets refused below) */
b3a1a0ca 962 || strcmp("write-devices", longName) == 0 /* disable wild-match (it gets refused below) */
be7af36c
WD		 963 || strcmp("log-format", longName) == 0 /* aka out-format (NOT log-file-format) */
964 || strcmp("sender", longName) == 0
965 || strcmp("server", longName) == 0)
966 op->descrip = "a="; /* exact-match only */
b3a1a0ca 967 else
be7af36c 968 op->descrip = "a*"; /* wild-card-able */
b3a1a0ca
WD		 969 }
970 assert(list_end != NULL);
971
d4fc18f3 972 if (am_daemon) { /* Refused by default, but can be accepted via a negated exact match. */
8aa46511 973 parse_one_refuse_match(0, "copy-devices", list_end);
3b36bde9 974 parse_one_refuse_match(0, "write-devices", list_end);
d4fc18f3 975 }
b3a1a0ca
WD		 976
977 while (1) {
978 while (*ref == ' ') ref++;
979 if (!*ref)
980 break;
981 if ((cp = strchr(ref, ' ')) != NULL)
982 *cp = '\0';
983 negated = *ref == '!';
984 if (negated && ref[1])
985 ref++;
3b36bde9 986 parse_one_refuse_match(negated, ref, list_end);
27ed20f7
WD		 987 if (!cp)
988 break;
989 *cp = ' ';
b3a1a0ca
WD		 990 ref = cp + 1;
991 }
992
993 if (am_daemon) {
994#ifdef ICONV_OPTION
995 if (!*lp_charset(module_id))
3b36bde9 996 parse_one_refuse_match(0, "iconv", list_end);
b3a1a0ca 997#endif
3b36bde9 998 parse_one_refuse_match(0, "log-file*", list_end);
b3a1a0ca
WD		 999 }
1000
2b439c1f
WD		 1001#ifndef SUPPORT_ATIMES
1002 parse_one_refuse_match(0, "atimes", list_end);
1003#endif
1d6c9676
WD		 1004#ifndef SUPPORT_HARD_LINKS
1005 parse_one_refuse_match(0, "link-dest", list_end);
1006#endif
af531cf7
WD		 1007#ifndef HAVE_MKTIME
1008 parse_one_refuse_match(0, "stop-at", list_end);
1009#endif
d4fc18f3
WD		 1010#ifndef ICONV_OPTION
1011 parse_one_refuse_match(0, "iconv", list_end);
1012#endif
1013#ifndef HAVE_SETVBUF
1014 parse_one_refuse_match(0, "outbuf", list_end);
1015#endif
974f49e2
WD		 1016#ifndef SUPPORT_CRTIMES
1017 parse_one_refuse_match(0, "crtimes", list_end);
1018#endif
d4fc18f3 1019
b3a1a0ca
WD		 1020 /* Now we use the descrip values to actually mark the options for refusal. */
1021 for (op = long_options; op != list_end; op++) {
be7af36c 1022 int refused = op->descrip[0] == 'r';
b3a1a0ca
WD		 1023 op->descrip = NULL;
1024 if (!refused)
1025 continue;
1026 if (op->argInfo == POPT_ARG_VAL)
1027 op->argInfo = POPT_ARG_NONE;
1028 op->val = (op - long_options) + OPT_REFUSED_BASE;
1029 /* The following flags are set to let us easily check an implied option later in the code. */
1030 switch (op->shortName) {
1031 case 'r': case 'd': case 'l': case 'p':
1032 case 't': case 'g': case 'o': case 'D':
1033 refused_archive_part = op->val;
1034 break;
1035 case 'z':
1036 refused_compress = op->val;
1037 break;
1038 case '\0':
1039 if (strcmp("delete", op->longName) == 0)
1040 refused_delete = op->val;
1041 else if (strcmp("delete-before", op->longName) == 0)
1042 refused_delete_before = op->val;
1043 else if (strcmp("delete-during", op->longName) == 0)
1044 refused_delete_during = op->val;
1045 else if (strcmp("partial", op->longName) == 0)
1046 refused_partial = op->val;
1047 else if (strcmp("progress", op->longName) == 0)
1048 refused_progress = op->val;
1049 else if (strcmp("inplace", op->longName) == 0)
1050 refused_inplace = op->val;
1051 else if (strcmp("no-iconv", op->longName) == 0)
1052 refused_no_iconv = op->val;
1053 break;
1054 }
cd8185f2 1055 }
cd8185f2
AT		 1056}
1057
1058
8db7cc2c 1059static int count_args(const char **argv)
2855f61f 1060{
dfa32483 1061 int i = 0;
2855f61f 1062
8db7cc2c
WD		 1063 if (argv) {
1064 while (argv[i] != NULL)
1065 i++;
1066 }
dfa32483
WD		 1067
1068 return i;
2855f61f
MP		 1069}
1070
11eb67ee
WD		 1071/* If the size_arg is an invalid string or the value is < min_value, an error
1072 * is put into err_buf & the return is -1. Note that this parser does NOT
1073 * support negative numbers, so a min_value < 0 doesn't make any sense. */
66ca4fc9
WD		 1074static ssize_t parse_size_arg(const char *size_arg, char def_suf, const char *opt_name,
1075 ssize_t min_value, ssize_t max_value, BOOL unlimited_0)
95e107db 1076{
66ca4fc9
WD		 1077 int reps, mult, len;
1078 const char *arg, *err = "invalid", *min_max = NULL;
1079 ssize_t limit = -1, size = 1;
95e107db 1080
11eb67ee 1081 for (arg = size_arg; isDigit(arg); arg++) {}
da7a3506 1082 if (*arg == '.' || *arg == get_decimal_point()) /* backward compatibility: always allow '.' */
2dc7b8bd 1083 for (arg++; isDigit(arg); arg++) {}
3c19f72c 1084 switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) {
837d01dd 1085 case 'b': case 'B':
3c19f72c 1086 reps = 0;
837d01dd 1087 break;
95e107db 1088 case 'k': case 'K':
3c19f72c 1089 reps = 1;
95e107db
WD		 1090 break;
1091 case 'm': case 'M':
3c19f72c 1092 reps = 2;
95e107db
WD		 1093 break;
1094 case 'g': case 'G':
3c19f72c 1095 reps = 3;
95e107db 1096 break;
11eb67ee
WD		 1097 case 't': case 'T':
1098 reps = 4;
1099 break;
1100 case 'p': case 'P':
1101 reps = 5;
1102 break;
95e107db 1103 default:
11eb67ee 1104 goto failure;
95e107db 1105 }
3c19f72c 1106 if (*arg == 'b' || *arg == 'B')
11eb67ee 1107 mult = 1000, arg++;
3c19f72c
WD		 1108 else if (!*arg || *arg == '+' || *arg == '-')
1109 mult = 1024;
1110 else if (strncasecmp(arg, "ib", 2) == 0)
1111 mult = 1024, arg += 2;
1112 else
11eb67ee 1113 goto failure;
3c19f72c
WD		 1114 while (reps--)
1115 size *= mult;
11eb67ee 1116 size *= atof(size_arg);
d07c2992 1117 if ((*arg == '+' || *arg == '-') && arg[1] == '1' && arg != size_arg)
11eb67ee 1118 size += atoi(arg), arg += 2;
3c19f72c 1119 if (*arg)
11eb67ee 1120 goto failure;
66ca4fc9
WD		 1121 if (size < 0 || (max_value >= 0 && size > max_value)) {
1122 err = "too large";
1123 min_max = "max";
1124 limit = max_value;
1125 goto failure;
1126 }
1127 if (size < min_value && (!unlimited_0 || size != 0)) {
1128 err = "too small";
1129 min_max = "min";
1130 limit = min_value;
11eb67ee 1131 goto failure;
aeb213ea 1132 }
95e107db 1133 return size;
95e107db 1134
11eb67ee 1135failure:
66ca4fc9
WD		 1136 len = snprintf(err_buf, sizeof err_buf - 1, "--%s=%s is %s", opt_name, size_arg, err);
1137 if (min_max && limit >= 0 && len < (int)sizeof err_buf - 10) {
1138 len += snprintf(err_buf + len, sizeof err_buf - len - 1, " (%s: %s%s)",
1139 min_max, do_big_num(limit, 3, NULL),
1140 unlimited_0 && min_max[1] == 'i' ? " or 0 for unlimited" : "");
1141 }
1142 err_buf[len] = '\n';
1143 err_buf[len+1] = '\0';
11eb67ee
WD		 1144 return -1;
1145}
95e107db 1146
af531cf7
WD		 1147#ifdef HAVE_MKTIME
1148/* Allow the user to specify a time in the format yyyy-mm-ddThh:mm while
1149 * also allowing abbreviated data. For instance, if the time is omitted,
1150 * it defaults to midnight. If the date is omitted, it defaults to the
1151 * next possible date in the future with the specified time. Even the
1152 * year or year-month can be omitted, again defaulting to the next date
1153 * in the future that matches the specified information. A 2-digit year
1154 * is also OK, as is using '/' instead of '-'. */
1155static time_t parse_time(const char *arg)
1156{
1157 const char *cp;
1158 time_t val, now = time(NULL);
1159 struct tm t, *today = localtime(&now);
1160 int in_date, old_mday, n;
1161
1162 memset(&t, 0, sizeof t);
1163 t.tm_year = t.tm_mon = t.tm_mday = -1;
1164 t.tm_hour = t.tm_min = t.tm_isdst = -1;
1165 cp = arg;
1166 if (*cp == 'T' || *cp == 't' || *cp == ':') {
1167 in_date = *cp == ':' ? 0 : -1;
1168 cp++;
1169 } else
1170 in_date = 1;
1171 for ( ; ; cp++) {
1172 if (!isDigit(cp))
1173 return (time_t)-1;
1174 n = 0;
1175 do {
1176 n = n * 10 + *cp++ - '0';
1177 } while (isDigit(cp));
1178 if (*cp == ':')
1179 in_date = 0;
1180 if (in_date > 0) {
1181 if (t.tm_year != -1)
1182 return (time_t)-1;
1183 t.tm_year = t.tm_mon;
1184 t.tm_mon = t.tm_mday;
1185 t.tm_mday = n;
1186 if (!*cp)
1187 break;
1188 if (*cp == 'T' || *cp == 't') {
1189 if (!cp[1])
1190 break;
1191 in_date = -1;
1192 } else if (*cp != '-' && *cp != '/')
1193 return (time_t)-1;
1194 continue;
1195 }
1196 if (t.tm_hour != -1)
1197 return (time_t)-1;
1198 t.tm_hour = t.tm_min;
1199 t.tm_min = n;
1200 if (!*cp) {
1201 if (in_date < 0)
1202 return (time_t)-1;
1203 break;
1204 }
1205 if (*cp != ':')
1206 return (time_t)-1;
1207 in_date = 0;
1208 }
1209
1210 in_date = 0;
1211 if (t.tm_year < 0) {
1212 t.tm_year = today->tm_year;
1213 in_date = 1;
1214 } else if (t.tm_year < 100) {
1215 while (t.tm_year < today->tm_year)
1216 t.tm_year += 100;
1217 } else
1218 t.tm_year -= 1900;
1219 if (t.tm_mon < 0) {
1220 t.tm_mon = today->tm_mon;
1221 in_date = 2;
1222 } else
1223 t.tm_mon--;
1224 if (t.tm_mday < 0) {
1225 t.tm_mday = today->tm_mday;
1226 in_date = 3;
1227 }
1228
1229 n = 0;
1230 if (t.tm_min < 0) {
1231 t.tm_hour = t.tm_min = 0;
1232 } else if (t.tm_hour < 0) {
1233 if (in_date != 3)
1234 return (time_t)-1;
1235 in_date = 0;
1236 t.tm_hour = today->tm_hour;
1237 n = 60*60;
1238 }
1239
1240 /* Note that mktime() might change a too-large tm_mday into the start of
1241 * the following month which we need to undo in the following code! */
1242 old_mday = t.tm_mday;
1243 if (t.tm_hour > 23 || t.tm_min > 59
1244 || t.tm_mon < 0 || t.tm_mon >= 12
1245 || t.tm_mday < 1 || t.tm_mday > 31
1246 || (val = mktime(&t)) == (time_t)-1)
1247 return (time_t)-1;
1248
1249 while (in_date && (val <= now || t.tm_mday < old_mday)) {
1250 switch (in_date) {
1251 case 3:
1252 old_mday = ++t.tm_mday;
1253 break;
1254 case 2:
1255 if (t.tm_mday < old_mday)
1256 t.tm_mday = old_mday; /* The month already got bumped forward */
1257 else if (++t.tm_mon == 12) {
1258 t.tm_mon = 0;
1259 t.tm_year++;
1260 }
1261 break;
1262 case 1:
1263 if (t.tm_mday < old_mday) {
1264 /* mon==1 mday==29 got bumped to mon==2 */
1265 if (t.tm_mon != 2 || old_mday != 29)
1266 return (time_t)-1;
1267 t.tm_mon = 1;
1268 t.tm_mday = 29;
1269 }
1270 t.tm_year++;
1271 break;
1272 }
1273 if ((val = mktime(&t)) == (time_t)-1) {
1274 /* This code shouldn't be needed, as mktime() should auto-round to the next month. */
1275 if (in_date != 3 || t.tm_mday <= 28)
1276 return (time_t)-1;
1277 t.tm_mday = old_mday = 1;
1278 in_date = 2;
1279 }
1280 }
1281 if (n) {
1282 while (val <= now)
1283 val += n;
1284 }
1285 return val;
1286}
1287#endif
1288
3671987f
WD		 1289static void create_refuse_error(int which)
1290{
d4fc18f3
WD		 1291 const char *msg;
1292 if (am_daemon)
1293 msg = "The server is configured to refuse";
1294 else if (am_server)
1295 msg = "The server does not support";
1296 else
1297 msg = "This rsync does not support";
1298
3671987f
WD		 1299 /* The "which" value is the index + OPT_REFUSED_BASE. */
1300 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
d4fc18f3
WD		 1301 int n = snprintf(err_buf, sizeof err_buf, "%s --%s\n", msg, op->longName) - 1;
1302 if (op->shortName)
1303 snprintf(err_buf + n, sizeof err_buf - n, " (-%c)\n", op->shortName);
3671987f
WD		 1304}
1305
9e7b8ab7
WD		 1306/* This is used to make sure that --daemon & --server cannot be aliased to
1307 * something else. These options have always disabled popt aliases for the
1308 * parsing of a daemon or server command-line, but we have to make sure that
1309 * these options cannot vanish so that the alias disabling can take effect. */
1310static void popt_unalias(poptContext con, const char *opt)
1311{
1312 struct poptAlias unalias;
1313
bb484a79
WD		 1314 memset(&unalias, 0, sizeof unalias);
1315
9e7b8ab7 1316 unalias.longName = opt + 2; /* point past the leading "--" */
9e7b8ab7 1317 unalias.argc = 1;
bb484a79 1318 unalias.argv = new_array0(const char*, 2);
9e7b8ab7
WD		 1319 unalias.argv[0] = strdup(opt);
1320
1321 poptAddAlias(con, unalias, 0);
1322}
3671987f 1323
cdf58a7a 1324char *alt_dest_opt(int type)
1d6c9676
WD		 1325{
1326 if (!type)
1327 type = alt_dest_type;
1328
1329 switch (type) {
1330 case COMPARE_DEST:
1331 return "--compare-dest";
1332 case COPY_DEST:
1333 return "--copy-dest";
1334 case LINK_DEST:
1335 return "--link-dest";
1336 default:
ab110fc8 1337 NOISY_DEATH("Unknown alt_dest_opt type");
1d6c9676
WD		 1338 }
1339}
1340
dafe63ca
MP		 1341/**
1342 * Process command line arguments. Called on both local and remote.
1343 *
1344 * @retval 1 if all options are OK; with globals set to appropriate
1345 * values
1346 *
1347 * @retval 0 on error, with err_buf containing an explanation
1348 **/
53936ef9 1349int parse_arguments(int *argc_p, const char ***argv_p)
7a6421fa 1350{
8990ad96 1351 poptContext pc;
ffbffc64
WD		 1352 const char *arg, **argv = *argv_p;
1353 int argc = *argc_p;
1d6c9676 1354 int opt, want_dest_type;
77063038 1355 int orig_protect_args = protect_args;
d853783f 1356
a3668685
WD		 1357 if (argc == 0) {
1358 strlcpy(err_buf, "argc is zero!\n", sizeof err_buf);
1359 return 0;
1360 }
b3a1a0ca
WD		 1361
1362 set_refuse_options();
27ed20f7 1363
332cf6df 1364#ifdef ICONV_OPTION
4c4a2962 1365 if (!am_daemon && protect_args <= 0 && (arg = getenv("RSYNC_ICONV")) != NULL && *arg)
332cf6df
WD		 1366 iconv_opt = strdup(arg);
1367#endif
1368
dfa32483 1369 /* TODO: Call poptReadDefaultConfig; handle errors. */
cd8185f2 1370
7a4addaa 1371 pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
9e7b8ab7 1372 if (!am_server) {
7a4addaa 1373 poptReadDefaultConfig(pc, 0);
9e7b8ab7
WD		 1374 popt_unalias(pc, "--daemon");
1375 popt_unalias(pc, "--server");
1376 }
2855f61f
MP		 1377
1378 while ((opt = poptGetNextOpt(pc)) != -1) {
dfa32483
WD		 1379 /* most options are handled automatically by popt;
1380 * only special cases are returned and listed here. */
2855f61f 1381
d853783f 1382 switch (opt) {
342579aa 1383 case 'V':
6b237b0f
WD		 1384 version_opt_cnt++;
1385 break;
dfa32483 1386
0ccffd7c
WD		 1387 case OPT_SERVER:
1388 if (!am_server) {
1389 /* Disable popt aliases on the server side and
1390 * then start parsing the options again. */
1391 poptFreeContext(pc);
e63ff70e 1392 pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
0ccffd7c
WD		 1393 am_server = 1;
1394 }
332cf6df
WD		 1395#ifdef ICONV_OPTION
1396 iconv_opt = NULL;
1397#endif
0ccffd7c
WD		 1398 break;
1399
1400 case OPT_SENDER:
1401 if (!am_server) {
1402 usage(FERROR);
1403 exit_cleanup(RERR_SYNTAX);
1404 }
1405 am_sender = 1;
1406 break;
1407
3ac7f5d4
WD		 1408 case OPT_DAEMON:
1409 if (am_daemon) {
c9bce0b8
WD		 1410 strlcpy(err_buf,
1411 "Attempt to hack rsync thwarted!\n",
1412 sizeof err_buf);
8990ad96 1413 goto cleanup;
3ac7f5d4 1414 }
332cf6df
WD		 1415#ifdef ICONV_OPTION
1416 iconv_opt = NULL;
1417#endif
4c4a2962 1418 protect_args = 0;
3ac7f5d4 1419 poptFreeContext(pc);
e63ff70e 1420 pc = poptGetContext(RSYNC_NAME, argc, argv, long_daemon_options, 0);
3ac7f5d4 1421 while ((opt = poptGetNextOpt(pc)) != -1) {
2206abf8 1422 char **cpp;
3ac7f5d4
WD		 1423 switch (opt) {
1424 case 'h':
1425 daemon_usage(FINFO);
1426 exit_cleanup(0);
1427
2206abf8
WD		 1428 case 'M':
1429 arg = poptGetOptArg(pc);
1430 if (!strchr(arg, '=')) {
1431 rprintf(FERROR,
e63ff70e
WD		 1432 "--dparam value is missing an '=': %s\n",
1433 arg);
2206abf8
WD		 1434 goto daemon_error;
1435 }
1436 cpp = EXPAND_ITEM_LIST(&dparam_list, char *, 4);
1437 *cpp = strdup(arg);
1438 break;
1439
1bd9db74
WD		 1440 case 'v':
1441 verbose++;
1442 break;
1443
3ac7f5d4
WD		 1444 default:
1445 rprintf(FERROR,
e63ff70e
WD		 1446 "rsync: %s: %s (in daemon mode)\n",
1447 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1448 poptStrerror(opt));
3ac7f5d4
WD		 1449 goto daemon_error;
1450 }
1451 }
b6e22a47 1452
2206abf8
WD		 1453 if (dparam_list.count && !set_dparams(1))
1454 exit_cleanup(RERR_SYNTAX);
1455
b6e22a47
WD		 1456 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
1457 snprintf(err_buf, sizeof err_buf,
1458 "the --temp-dir path is WAY too long.\n");
8990ad96 1459 goto cleanup;
b6e22a47
WD		 1460 }
1461
3ac7f5d4
WD		 1462 if (!daemon_opt) {
1463 rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
1464 daemon_error:
e63ff70e 1465 rprintf(FERROR, "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
3ac7f5d4
WD		 1466 exit_cleanup(RERR_SYNTAX);
1467 }
b6e22a47 1468
8990ad96
WD		 1469 argv = poptGetArgs(pc);
1470 argc = count_args(argv);
1471 if (!argc) {
1472 *argv_p = empty_argv;
1473 *argc_p = 0;
1474 } else if (poptDupArgv(argc, argv, argc_p, argv_p) != 0)
1475 out_of_memory("parse_arguments");
1476 argv = *argv_p;
1477 poptFreeContext(pc);
1478
7f2a1f65 1479 am_starting_up = 0;
3ac7f5d4
WD		 1480 daemon_opt = 0;
1481 am_daemon = 1;
1482 return 1;
1483
5b56cc19 1484 case OPT_MODIFY_WINDOW:
dfa32483
WD		 1485 /* The value has already been set by popt, but
1486 * we need to remember that we're using a
1487 * non-default setting. */
5b56cc19
AT		 1488 modify_window_set = 1;
1489 break;
1de50993 1490
aa4d3b4c 1491 case OPT_FILTER:
c8fa85b2
MM		 1492 parse_filter_str(&filter_list, poptGetOptArg(pc),
1493 rule_template(0), 0);
d853783f
AT		 1494 break;
1495
aa4d3b4c 1496 case OPT_EXCLUDE:
c8fa85b2
MM		 1497 parse_filter_str(&filter_list, poptGetOptArg(pc),
1498 rule_template(0), XFLG_OLD_PREFIXES);
aa4d3b4c
WD		 1499 break;
1500
d853783f 1501 case OPT_INCLUDE:
c8fa85b2
MM		 1502 parse_filter_str(&filter_list, poptGetOptArg(pc),
1503 rule_template(FILTRULE_INCLUDE), XFLG_OLD_PREFIXES);
d853783f
AT		 1504 break;
1505
1506 case OPT_EXCLUDE_FROM:
93695764 1507 case OPT_INCLUDE_FROM:
7be73df4 1508 arg = poptGetOptArg(pc);
1a7f3d99 1509 if (sanitize_paths)
d48810ba 1510 arg = sanitize_path(NULL, arg, NULL, 0, SP_DEFAULT);
819bfe45 1511 if (daemon_filter_list.head) {
200aec7d 1512 int rej;
2907af47 1513 char *cp = strdup(arg);
3671987f 1514 if (!*cp)
2907af47
WD		 1515 rej = 1;
1516 else {
1517 char *dir = cp + (*cp == '/' ? module_dirlen : 0);
1518 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1519 rej = check_filter(&daemon_filter_list, FLOG, dir, 0) < 0;
1520 }
d3ef9859 1521 free(cp);
200aec7d
WD		 1522 if (rej)
1523 goto options_rejected;
ba3db479 1524 }
3a5e9224 1525 parse_filter_file(&filter_list, arg,
c8fa85b2 1526 rule_template(opt == OPT_INCLUDE_FROM ? FILTRULE_INCLUDE : 0),
3a5e9224 1527 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
93695764
DD		 1528 break;
1529
b6164938
WD		 1530 case 'a':
1531 if (refused_archive_part) {
1532 create_refuse_error(refused_archive_part);
8990ad96 1533 goto cleanup;
b6164938
WD		 1534 }
1535 if (!recurse) /* preserve recurse == 2 */
1536 recurse = 1;
1537#ifdef SUPPORT_LINKS
1538 preserve_links = 1;
1539#endif
1540 preserve_perms = 1;
b774dbc1 1541 preserve_mtimes = 1;
b6164938
WD		 1542 preserve_gid = 1;
1543 preserve_uid = 1;
1544 preserve_devices = 1;
b5c6a6ae
WD		 1545 preserve_specials = 1;
1546 break;
1547
1548 case 'D':
1549 preserve_devices = preserve_specials = 1;
1550 break;
1551
1552 case OPT_NO_D:
1553 preserve_devices = preserve_specials = 0;
b6164938
WD		 1554 break;
1555
3ca9e5d8
WD		 1556 case 'h':
1557 human_readable++;
1558 break;
1559
e0e32031
WD		 1560 case 'H':
1561 preserve_hard_links++;
1562 break;
1563
487094a0
WD		 1564 case 'i':
1565 itemize_changes++;
1566 break;
1567
b9367410
WD		 1568 case 'U':
1569 if (++preserve_atimes > 1)
b3a1a0ca 1570 open_noatime = 1;
b9367410
WD		 1571 break;
1572
d853783f
AT		 1573 case 'v':
1574 verbose++;
1575 break;
7a6421fa 1576
48b51d00
WD		 1577 case 'y':
1578 fuzzy_basis++;
1579 break;
1580
b86f0cef 1581 case 'q':
53936ef9 1582 quiet++;
b86f0cef
DD		 1583 break;
1584
243c995f
WD		 1585 case 'x':
1586 one_file_system++;
1587 break;
1588
aa4d3b4c
WD		 1589 case 'F':
1590 switch (++F_option_cnt) {
1591 case 1:
c8fa85b2 1592 parse_filter_str(&filter_list,": /.rsync-filter",rule_template(0),0);
aa4d3b4c
WD		 1593 break;
1594 case 2:
c8fa85b2 1595 parse_filter_str(&filter_list,"- .rsync-filter",rule_template(0),0);
aa4d3b4c
WD		 1596 break;
1597 }
1598 break;
1599
d9fcc198 1600 case 'P':
3671987f 1601 if (refused_partial || refused_progress) {
e63ff70e 1602 create_refuse_error(refused_partial ? refused_partial : refused_progress);
8990ad96 1603 goto cleanup;
3671987f 1604 }
d9fcc198
AT		 1605 do_progress = 1;
1606 keep_partial = 1;
1607 break;
1608
854a1aad 1609 case 'z':
22a3ac0b 1610 do_compression++;
854a1aad
WD		 1611 break;
1612
64d5ea39
WD		 1613 case OPT_OLD_COMPRESS:
1614 compress_choice = "zlib";
1615 break;
1616
1617 case OPT_NEW_COMPRESS:
1618 compress_choice = "zlibx";
1619 break;
1620
1621 case OPT_NO_COMPRESS:
1622 do_compression = 0;
1623 compress_choice = NULL;
1624 break;
1625
635d8c06
WD		 1626 case OPT_OLD_ARGS:
1627 if (old_style_args <= 0)
1628 old_style_args = 1;
1629 else
1630 old_style_args++;
1631 break;
1632
7a2eca41
WD		 1633 case 'M':
1634 arg = poptGetOptArg(pc);
1635 if (*arg != '-') {
1636 snprintf(err_buf, sizeof err_buf,
1637 "Remote option must start with a dash: %s\n", arg);
8990ad96 1638 goto cleanup;
7a2eca41
WD		 1639 }
1640 if (remote_option_cnt+2 >= remote_option_alloc) {
1641 remote_option_alloc += 16;
1642 remote_options = realloc_array(remote_options,
1643 const char *, remote_option_alloc);
7a2eca41
WD		 1644 if (!remote_option_cnt)
1645 remote_options[0] = "ARG0";
1646 }
1647 remote_options[++remote_option_cnt] = arg;
1648 remote_options[remote_option_cnt+1] = NULL;
1649 break;
1650
088aac85 1651 case OPT_WRITE_BATCH:
9b3318b0 1652 /* batch_name is already set */
088aac85
DD		 1653 write_batch = 1;
1654 break;
1655
11e758a4
WD		 1656 case OPT_ONLY_WRITE_BATCH:
1657 /* batch_name is already set */
1658 write_batch = -1;
1659 break;
1660
76f79ba7 1661 case OPT_READ_BATCH:
9b3318b0 1662 /* batch_name is already set */
6902ed17
MP		 1663 read_batch = 1;
1664 break;
ea5164d1 1665
0b52f94d 1666 case OPT_NO_ICONV:
15dbffc2 1667#ifdef ICONV_OPTION
0b52f94d 1668 iconv_opt = NULL;
15dbffc2 1669#endif
0b52f94d
WD		 1670 break;
1671
66ca4fc9
WD		 1672 case OPT_BLOCK_SIZE: {
1673 /* We may not know the real protocol_version at this point if this is the client
1674 * option parsing, but we still want to check it so that the client can specify
1675 * a --protocol=29 option with a larger block size. */
1676 int max_blength = protocol_version < 30 ? OLD_MAX_BLOCK_SIZE : MAX_BLOCK_SIZE;
1677 ssize_t size;
1678 arg = poptGetOptArg(pc);
1679 if ((size = parse_size_arg(arg, 'b', "block-size", 0, max_blength, False)) < 0)
8990ad96 1680 goto cleanup;
66ca4fc9
WD		 1681 block_size = (int32)size;
1682 break;
1683 }
1684
7d5acf1d 1685 case OPT_MAX_SIZE:
66ca4fc9 1686 if ((max_size = parse_size_arg(max_size_arg, 'b', "max-size", 0, -1, False)) < 0)
8990ad96 1687 goto cleanup;
da7a3506 1688 max_size_arg = strdup(do_big_num(max_size, 0, NULL));
7d5acf1d
WD		 1689 break;
1690
74de13d1 1691 case OPT_MIN_SIZE:
66ca4fc9 1692 if ((min_size = parse_size_arg(min_size_arg, 'b', "min-size", 0, -1, False)) < 0)
8990ad96 1693 goto cleanup;
da7a3506 1694 min_size_arg = strdup(do_big_num(min_size, 0, NULL));
74de13d1
WD		 1695 break;
1696
11eb67ee 1697 case OPT_BWLIMIT: {
66ca4fc9 1698 ssize_t size = parse_size_arg(bwlimit_arg, 'K', "bwlimit", 512, -1, True);
11eb67ee 1699 if (size < 0)
8990ad96 1700 goto cleanup;
da7a3506 1701 bwlimit_arg = strdup(do_big_num(size, 0, NULL));
11eb67ee 1702 bwlimit = (size + 512) / 1024;
ce795fcd 1703 break;
11eb67ee 1704 }
ce795fcd 1705
936fa865
WD		 1706 case OPT_APPEND:
1707 if (am_server)
1708 append_mode++;
1709 else
1710 append_mode = 1;
1711 break;
1712
59c95e42 1713 case OPT_LINK_DEST:
1d6c9676 1714 want_dest_type = LINK_DEST;
e012f858 1715 goto set_dest_dir;
59c95e42 1716
1de3e99b 1717 case OPT_COPY_DEST:
1d6c9676 1718 want_dest_type = COPY_DEST;
1de3e99b
WD		 1719 goto set_dest_dir;
1720
e012f858 1721 case OPT_COMPARE_DEST:
1d6c9676
WD		 1722 want_dest_type = COMPARE_DEST;
1723
e012f858 1724 set_dest_dir:
1d6c9676
WD		 1725 if (alt_dest_type && alt_dest_type != want_dest_type) {
1726 snprintf(err_buf, sizeof err_buf,
1727 "ERROR: the %s option conflicts with the %s option\n",
cdf58a7a 1728 alt_dest_opt(want_dest_type), alt_dest_opt(0));
8990ad96 1729 goto cleanup;
1d6c9676
WD		 1730 }
1731 alt_dest_type = want_dest_type;
1732
3b26bba0 1733 if (basis_dir_cnt >= MAX_BASIS_DIRS) {
e012f858
WD		 1734 snprintf(err_buf, sizeof err_buf,
1735 "ERROR: at most %d %s args may be specified\n",
cdf58a7a 1736 MAX_BASIS_DIRS, alt_dest_opt(0));
8990ad96 1737 goto cleanup;
e012f858 1738 }
ad77db8b
WD		 1739 /* We defer sanitizing this arg until we know what
1740 * our destination directory is going to be. */
1741 basis_dir[basis_dir_cnt++] = (char *)poptGetOptArg(pc);
e012f858
WD		 1742 break;
1743
e16adcdf
WD		 1744 case OPT_CHMOD:
1745 arg = poptGetOptArg(pc);
bbe42182 1746 if (!parse_chmod(arg, &chmod_modes)) {
e16adcdf 1747 snprintf(err_buf, sizeof err_buf,
e63ff70e
WD		 1748 "Invalid argument passed to --chmod (%s)\n",
1749 arg);
8990ad96 1750 goto cleanup;
e16adcdf
WD		 1751 }
1752 break;
1753
951e826b
WD		 1754 case OPT_INFO:
1755 arg = poptGetOptArg(pc);
1756 parse_output_words(info_words, info_levels, arg, USER_PRIORITY);
1757 break;
1758
1759 case OPT_DEBUG:
1760 arg = poptGetOptArg(pc);
1761 parse_output_words(debug_words, debug_levels, arg, USER_PRIORITY);
1762 break;
1763
2df20057
WD		 1764 case OPT_USERMAP:
1765 if (usermap) {
1766 if (usermap_via_chown) {
1767 snprintf(err_buf, sizeof err_buf,
e63ff70e 1768 "--usermap conflicts with prior --chown.\n");
8990ad96 1769 goto cleanup;
2df20057
WD		 1770 }
1771 snprintf(err_buf, sizeof err_buf,
e63ff70e 1772 "You can only specify --usermap once.\n");
8990ad96 1773 goto cleanup;
2df20057
WD		 1774 }
1775 usermap = (char *)poptGetOptArg(pc);
1776 usermap_via_chown = False;
7956070f 1777 preserve_uid = 1;
2df20057
WD		 1778 break;
1779
1780 case OPT_GROUPMAP:
1781 if (groupmap) {
1782 if (groupmap_via_chown) {
1783 snprintf(err_buf, sizeof err_buf,
e63ff70e 1784 "--groupmap conflicts with prior --chown.\n");
8990ad96 1785 goto cleanup;
2df20057
WD		 1786 }
1787 snprintf(err_buf, sizeof err_buf,
e63ff70e 1788 "You can only specify --groupmap once.\n");
8990ad96 1789 goto cleanup;
2df20057
WD		 1790 }
1791 groupmap = (char *)poptGetOptArg(pc);
1792 groupmap_via_chown = False;
7956070f 1793 preserve_gid = 1;
2df20057
WD		 1794 break;
1795
1796 case OPT_CHOWN: {
1797 const char *chown = poptGetOptArg(pc);
1798 int len;
1799 if ((arg = strchr(chown, ':')) != NULL)
1800 len = arg++ - chown;
1801 else
1802 len = strlen(chown);
1803 if (len) {
1804 if (usermap) {
1805 if (!usermap_via_chown) {
1806 snprintf(err_buf, sizeof err_buf,
e63ff70e 1807 "--chown conflicts with prior --usermap.\n");
8990ad96 1808 goto cleanup;
2df20057
WD		 1809 }
1810 snprintf(err_buf, sizeof err_buf,
e63ff70e 1811 "You can only specify a user-affecting --chown once.\n");
8990ad96 1812 goto cleanup;
2df20057
WD		 1813 }
1814 if (asprintf(&usermap, "*:%.*s", len, chown) < 0)
1815 out_of_memory("parse_arguments");
1816 usermap_via_chown = True;
7956070f 1817 preserve_uid = 1;
2df20057
WD		 1818 }
1819 if (arg && *arg) {
1820 if (groupmap) {
1821 if (!groupmap_via_chown) {
1822 snprintf(err_buf, sizeof err_buf,
e63ff70e 1823 "--chown conflicts with prior --groupmap.\n");
8990ad96 1824 goto cleanup;
2df20057
WD		 1825 }
1826 snprintf(err_buf, sizeof err_buf,
e63ff70e 1827 "You can only specify a group-affecting --chown once.\n");
8990ad96 1828 goto cleanup;
2df20057
WD		 1829 }
1830 if (asprintf(&groupmap, "*:%s", arg) < 0)
1831 out_of_memory("parse_arguments");
1832 groupmap_via_chown = True;
7956070f 1833 preserve_gid = 1;
2df20057
WD		 1834 }
1835 break;
1836 }
1837
f5a910dd
WD		 1838 case OPT_HELP:
1839 usage(FINFO);
1840 exit_cleanup(0);
1841
1c3344a1
WD		 1842 case 'A':
1843#ifdef SUPPORT_ACLS
1844 preserve_acls = 1;
1845 preserve_perms = 1;
1846 break;
1847#else
1848 /* FIXME: this should probably be ignored with a
eb8f5c74
WD		 1849 * warning and then countermeasures taken to
1850 * restrict group and other access in the presence
1851 * of any more restrictive ACLs, but this is safe
1c3344a1
WD		 1852 * for now */
1853 snprintf(err_buf,sizeof(err_buf),
8475e0e4 1854 "ACLs are not supported on this %s\n",
1c3344a1 1855 am_server ? "server" : "client");
8990ad96 1856 goto cleanup;
1c3344a1
WD		 1857#endif
1858
16edf865
WD		 1859 case 'X':
1860#ifdef SUPPORT_XATTRS
524eaa82 1861 preserve_xattrs++;
16edf865
WD		 1862 break;
1863#else
1864 snprintf(err_buf,sizeof(err_buf),
1865 "extended attributes are not supported on this %s\n",
1866 am_server ? "server" : "client");
8990ad96 1867 goto cleanup;
16edf865 1868#endif
1c3344a1 1869
af531cf7
WD		 1870 case OPT_STOP_AFTER: {
1871 long val;
1872 arg = poptGetOptArg(pc);
1873 stop_at_utime = time(NULL);
91fff802 1874 if ((val = atol(arg) * 60) <= 0 || LONG_MAX - val < stop_at_utime || (long)(time_t)val != val) {
af531cf7 1875 snprintf(err_buf, sizeof err_buf, "invalid --stop-after value: %s\n", arg);
8990ad96 1876 goto cleanup;
af531cf7
WD		 1877 }
1878 stop_at_utime += val;
1879 break;
1880 }
1881
1882#ifdef HAVE_MKTIME
1883 case OPT_STOP_AT:
1884 arg = poptGetOptArg(pc);
1885 if ((stop_at_utime = parse_time(arg)) == (time_t)-1) {
1886 snprintf(err_buf, sizeof err_buf, "invalid --stop-at format: %s\n", arg);
8990ad96 1887 goto cleanup;
af531cf7
WD		 1888 }
1889 if (stop_at_utime <= time(NULL)) {
1890 snprintf(err_buf, sizeof err_buf, "--stop-at time is not in the future: %s\n", arg);
8990ad96 1891 goto cleanup;
af531cf7
WD		 1892 }
1893 break;
1894#endif
1895
21ecc833
WD		 1896 case OPT_STDERR: {
1897 int len;
1898 arg = poptGetOptArg(pc);
1899 len = strlen(arg);
1900 if (len && strncmp("errors", arg, len) == 0)
1901 msgs2stderr = 2;
1902 else if (len && strncmp("all", arg, len) == 0)
1903 msgs2stderr = 1;
1904 else if (len && strncmp("client", arg, len) == 0)
1905 msgs2stderr = 0;
1906 else {
1907 snprintf(err_buf, sizeof err_buf,
1908 "--stderr mode \"%s\" is not one of errors, all, or client\n", arg);
8990ad96 1909 goto cleanup;
21ecc833 1910 }
4adfdaaf 1911 saw_stderr_opt = 1;
21ecc833
WD		 1912 break;
1913 }
1914
d853783f 1915 default:
55afbb52 1916 /* A large opt value means that set_refuse_options()
3671987f 1917 * turned this option off. */
c67d1386 1918 if (opt >= OPT_REFUSED_BASE) {
3671987f 1919 create_refuse_error(opt);
8990ad96 1920 goto cleanup;
27ed20f7 1921 }
3671987f
WD		 1922 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
1923 am_server ? "on remote machine: " : "",
1924 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1925 poptStrerror(opt));
8990ad96 1926 goto cleanup;
d853783f 1927 }
7a6421fa 1928 }
2855f61f 1929
4adfdaaf
WD		 1930 if (msgs2stderr != 2)
1931 saw_stderr_opt = 1;
1932
6b237b0f 1933 if (version_opt_cnt) {
0efa63f2 1934 print_rsync_version(version_opt_cnt > 1 && !am_server ? FNONE : FINFO);
6b237b0f
WD		 1935 exit_cleanup(0);
1936 }
1937
11eb67ee
WD		 1938 if (!max_alloc_arg) {
1939 max_alloc_arg = getenv("RSYNC_MAX_ALLOC");
1940 if (max_alloc_arg && !*max_alloc_arg)
1941 max_alloc_arg = NULL;
1942 }
1943 if (max_alloc_arg) {
66ca4fc9 1944 ssize_t size = parse_size_arg(max_alloc_arg, 'B', "max-alloc", 1024*1024, -1, True);
11eb67ee 1945 if (size < 0)
8990ad96 1946 goto cleanup;
11eb67ee
WD		 1947 max_alloc = size;
1948 }
2f9b963a
WD		 1949 if (!max_alloc)
1950 max_alloc = SIZE_MAX;
11eb67ee 1951
6b8db0f6 1952 if (old_style_args < 0) {
d9eaffe5
WD		 1953 if (!am_server && protect_args <= 0 && (arg = getenv("RSYNC_OLD_ARGS")) != NULL && *arg) {
1954 protect_args = 0;
635d8c06 1955 old_style_args = atoi(arg);
d9eaffe5 1956 } else
6b8db0f6 1957 old_style_args = 0;
d9eaffe5
WD		 1958 } else if (old_style_args) {
1959 if (protect_args > 0) {
1960 snprintf(err_buf, sizeof err_buf,
0a09df2c 1961 "--secluded-args conflicts with --old-args.\n");
8990ad96 1962 goto cleanup;
d9eaffe5
WD		 1963 }
1964 protect_args = 0;
6b8db0f6
WD		 1965 }
1966
4c4a2962 1967 if (protect_args < 0) {
2b2a4738
WD		 1968 if (am_server)
1969 protect_args = 0;
1970 else if ((arg = getenv("RSYNC_PROTECT_ARGS")) != NULL && *arg)
1971 protect_args = atoi(arg) ? 1 : 0;
1972 else {
0a09df2c 1973#ifdef RSYNC_USE_SECLUDED_ARGS
4c4a2962 1974 protect_args = 1;
2b2a4738 1975#else
4c4a2962 1976 protect_args = 0;
2b2a4738
WD		 1977#endif
1978 }
4c4a2962
WD		 1979 }
1980
4f6c8c66 1981 if (checksum_choice && strcasecmp(checksum_choice, "auto") != 0 && strcasecmp(checksum_choice, "auto,auto") != 0) {
a5a7d3a2
WD		 1982 /* Call this early to verify the args and figure out if we need to force
1983 * --whole-file. Note that the parse function will get called again later,
1984 * just in case an "auto" choice needs to know the protocol_version. */
55bb4dab 1985 parse_checksum_choice(0);
a5a7d3a2
WD		 1986 } else
1987 checksum_choice = NULL;
1988
adc2476f 1989 if (human_readable > 1 && argc == 2 && !am_server) {
3ca9e5d8 1990 /* Allow the old meaning of 'h' (--help) on its own. */
05724c07
WD		 1991 usage(FINFO);
1992 exit_cleanup(0);
1993 }
1994
64d5ea39
WD		 1995 if (!compress_choice && do_compression > 1)
1996 compress_choice = "zlibx";
1997 if (compress_choice && strcasecmp(compress_choice, "auto") != 0)
4496e0e8 1998 parse_compress_choice(0); /* Twiddles do_compression and can possibly NULL-out compress_choice. */
64d5ea39
WD		 1999 else
2000 compress_choice = NULL;
2001
d999efe6
WD		 2002 if (do_compression || do_compression_level != CLVL_NOT_SPECIFIED) {
2003 if (!do_compression)
2004 do_compression = CPRES_AUTO;
22a3ac0b
WD		 2005 if (do_compression && refused_compress) {
2006 create_refuse_error(refused_compress);
8990ad96 2007 goto cleanup;
22a3ac0b 2008 }
22a3ac0b
WD		 2009 }
2010
6686b93a
WD		 2011#ifdef HAVE_SETVBUF
2012 if (outbuf_mode && !am_server) {
2013 int mode = *(uchar *)outbuf_mode;
2014 if (islower(mode))
2015 mode = toupper(mode);
2016 fflush(stdout); /* Just in case... */
2017 switch (mode) {
2018 case 'N': /* None */
2019 case 'U': /* Unbuffered */
2020 mode = _IONBF;
2021 break;
2022 case 'L': /* Line */
2023 mode = _IOLBF;
2024 break;
2025 case 'B': /* Block */
2026 case 'F': /* Full */
2027 mode = _IOFBF;
2028 break;
2029 default:
2030 snprintf(err_buf, sizeof err_buf,
2031 "Invalid --outbuf setting -- specify N, L, or B.\n");
8990ad96 2032 goto cleanup;
6686b93a
WD		 2033 }
2034 setvbuf(stdout, (char *)NULL, mode, 0);
2035 }
0dfd2a64 2036
d8941be8 2037 if (msgs2stderr == 1) { /* Are all messages going to stderr? */
0dfd2a64
WD		 2038 /* Make stderr line buffered for better sharing of the stream. */
2039 fflush(stderr); /* Just in case... */
2040 setvbuf(stderr, (char *)NULL, _IOLBF, 0);
2041 }
6686b93a
WD		 2042#endif
2043
951e826b
WD		 2044 set_output_verbosity(verbose, DEFAULT_PRIORITY);
2045
abd32c95 2046 if (do_stats) {
951e826b
WD		 2047 parse_output_words(info_words, info_levels,
2048 verbose > 1 ? "stats3" : "stats2", DEFAULT_PRIORITY);
2049 }
2050
332cf6df 2051#ifdef ICONV_OPTION
a4453606 2052 if (iconv_opt && protect_args != 2) {
332cf6df
WD		 2053 if (!am_server && strcmp(iconv_opt, "-") == 0)
2054 iconv_opt = NULL;
2055 else
2056 need_unsorted_flist = 1;
2057 }
0b52f94d
WD		 2058 if (refused_no_iconv && !iconv_opt) {
2059 create_refuse_error(refused_no_iconv);
8990ad96 2060 goto cleanup;
0b52f94d 2061 }
332cf6df
WD		 2062#endif
2063
48b51d00
WD		 2064 if (fuzzy_basis > 1)
2065 fuzzy_basis = basis_dir_cnt + 1;
2066
77063038
JO		 2067 /* Don't let the client reset protect_args if it was already processed */
2068 if (orig_protect_args == 2 && am_server)
2069 protect_args = orig_protect_args;
2070
8990ad96
WD		 2071 if (protect_args == 1 && am_server) {
2072 poptFreeContext(pc);
53936ef9 2073 return 1;
8990ad96 2074 }
a4453606 2075
8990ad96
WD		 2076 /* Because popt 1.19 has started to free the returned args data, we now
2077 * make a copy of the array and then do an immediate cleanup. */
2078 argv = poptGetArgs(pc);
2079 argc = count_args(argv);
2080 if (!argc) {
2081 *argv_p = empty_argv;
2082 *argc_p = 0;
2083 } else if (poptDupArgv(argc, argv, argc_p, argv_p) != 0)
2084 out_of_memory("parse_arguments");
2085 argv = *argv_p;
2086 poptFreeContext(pc);
2087 pc = NULL;
73cb6738 2088
4f5b0756 2089#ifndef SUPPORT_LINKS
54e87b4b 2090 if (preserve_links && !am_sender) {
e1add893
WD		 2091 snprintf(err_buf, sizeof err_buf,
2092 "symlinks are not supported on this %s\n",
2093 am_server ? "server" : "client");
8990ad96 2094 goto cleanup;
e1add893
WD		 2095 }
2096#endif
2097
4f5b0756 2098#ifndef SUPPORT_HARD_LINKS
e1add893
WD		 2099 if (preserve_hard_links) {
2100 snprintf(err_buf, sizeof err_buf,
2101 "hard links are not supported on this %s\n",
2102 am_server ? "server" : "client");
8990ad96 2103 goto cleanup;
e1add893
WD		 2104 }
2105#endif
2106
cbbd8e2e
WD		 2107#ifdef SUPPORT_XATTRS
2108 if (am_root < 0 && preserve_xattrs > 1) {
2109 snprintf(err_buf, sizeof err_buf,
2110 "--fake-super conflicts with -XX\n");
8990ad96 2111 goto cleanup;
cbbd8e2e
WD		 2112 }
2113#else
9439c0cb
WD		 2114 if (am_root < 0) {
2115 snprintf(err_buf, sizeof err_buf,
2116 "--fake-super requires an rsync with extended attributes enabled\n");
8990ad96 2117 goto cleanup;
9439c0cb
WD		 2118 }
2119#endif
2120
088aac85 2121 if (write_batch && read_batch) {
c3ea0990 2122 snprintf(err_buf, sizeof err_buf,
36119893 2123 "--write-batch and --read-batch can not be used together\n");
8990ad96 2124 goto cleanup;
088aac85 2125 }
11e758a4 2126 if (write_batch > 0 || read_batch) {
94327ff0
WD		 2127 if (am_server) {
2128 rprintf(FINFO,
2129 "ignoring --%s-batch option sent to server\n",
2130 write_batch ? "write" : "read");
2131 /* We don't actually exit_cleanup(), so that we can
2132 * still service older version clients that still send
2133 * batch args to server. */
2134 read_batch = write_batch = 0;
2135 batch_name = NULL;
254ee3ba
WD		 2136 } else if (dry_run)
2137 write_batch = 0;
69e2b4ee
WD		 2138 } else if (write_batch < 0 && dry_run)
2139 write_batch = 0;
36119893 2140 if (read_batch && files_from) {
c3ea0990 2141 snprintf(err_buf, sizeof err_buf,
36119893 2142 "--read-batch cannot be used with --files-from\n");
8990ad96 2143 goto cleanup;
36119893 2144 }
9eaba726
WD		 2145 if (read_batch && remove_source_files) {
2146 snprintf(err_buf, sizeof err_buf,
2147 "--read-batch cannot be used with --remove-%s-files\n",
2148 remove_source_files == 1 ? "source" : "sent");
8990ad96 2149 goto cleanup;
9eaba726 2150 }
9b3318b0 2151 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
c3ea0990 2152 snprintf(err_buf, sizeof err_buf,
9b3318b0
WD		 2153 "the batch-file name must be %d characters or less.\n",
2154 MAX_BATCH_NAME_LEN);
8990ad96 2155 goto cleanup;
beb93684 2156 }
088aac85 2157
ce58b1b4 2158 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
c3ea0990
WD		 2159 snprintf(err_buf, sizeof err_buf,
2160 "the --temp-dir path is WAY too long.\n");
8990ad96 2161 goto cleanup;
ce58b1b4
WD		 2162 }
2163
7b9598b2
WD		 2164 if (max_delete < 0 && max_delete != INT_MIN) {
2165 /* Negative numbers are treated as "no deletions". */
2166 max_delete = 0;
2167 }
2168
b6164938
WD		 2169 if (files_from) {
2170 if (recurse == 1) /* preserve recurse == 2 */
2171 recurse = 0;
550d4e23 2172 if (xfer_dirs < 0)
b6164938 2173 xfer_dirs = 1;
dfa32483 2174 }
51d48398 2175
20893751 2176 if (argc < 2 && !read_batch && !am_server)
73cb6738
WD		 2177 list_only |= 1;
2178
2179 if (xfer_dirs >= 4) {
c8fa85b2 2180 parse_filter_str(&filter_list, "- /*/*", rule_template(0), 0);
73cb6738
WD		 2181 recurse = xfer_dirs = 1;
2182 } else if (recurse)
2183 xfer_dirs = 1;
2184 else if (xfer_dirs < 0)
2185 xfer_dirs = list_only ? 1 : 0;
dfa32483 2186
ea5164d1
WD		 2187 if (relative_paths < 0)
2188 relative_paths = files_from? 1 : 0;
89f2a4c2
WD		 2189 if (!relative_paths)
2190 implied_dirs = 0;
ea5164d1 2191
e0e32031 2192 if (delete_before + !!delete_during + delete_after > 1) {
3359acb8 2193 snprintf(err_buf, sizeof err_buf,
c6eb7fad 2194 "You may not combine multiple --delete-WHEN options.\n");
8990ad96 2195 goto cleanup;
3359acb8 2196 }
f5a910dd 2197 if (delete_before || delete_during || delete_after)
51d48398 2198 delete_mode = 1;
3296f91b 2199 else if (delete_mode || delete_excluded) {
e0e32031 2200 /* Only choose now between before & during if one is refused. */
3296f91b 2201 if (refused_delete_before) {
e0e32031
WD		 2202 if (!refused_delete_during)
2203 delete_during = 1;
2204 else {
2205 create_refuse_error(refused_delete_before);
8990ad96 2206 goto cleanup;
e0e32031
WD		 2207 }
2208 } else if (refused_delete_during)
2209 delete_before = 1;
2210 delete_mode = 1;
3296f91b 2211 }
89fb5026
WD		 2212 if (!xfer_dirs && delete_mode) {
2213 snprintf(err_buf, sizeof err_buf,
44d7d045 2214 "--delete does not work without --recursive (-r) or --dirs (-d).\n");
8990ad96 2215 goto cleanup;
f5a910dd 2216 }
51d48398 2217
42d8ec61
WD		 2218 if (missing_args == 3) /* simplify if both options were specified */
2219 missing_args = 2;
2220 if (refused_delete && (delete_mode || missing_args == 2)) {
3671987f 2221 create_refuse_error(refused_delete);
8990ad96 2222 goto cleanup;
3671987f
WD		 2223 }
2224
47c11975
WD		 2225 if (remove_source_files) {
2226 /* We only want to infer this refusal of --remove-source-files
07c6ae7d
WD		 2227 * via the refusal of "delete", not any of the "delete-FOO"
2228 * options. */
2229 if (refused_delete && am_sender) {
2230 create_refuse_error(refused_delete);
8990ad96 2231 goto cleanup;
07c6ae7d
WD		 2232 }
2233 need_messages_from_generator = 1;
2234 }
2235
41adbcec
WD		 2236 if (munge_symlinks && !am_daemon) {
2237 STRUCT_STAT st;
2238 char prefix[SYMLINK_PREFIX_LEN]; /* NOT +1 ! */
2239 strlcpy(prefix, SYMLINK_PREFIX, sizeof prefix); /* trim the trailing slash */
2240 if (do_stat(prefix, &st) == 0 && S_ISDIR(st.st_mode)) {
2241 rprintf(FERROR, "Symlink munging is unsafe when a %s directory exists.\n",
2242 prefix);
2243 exit_cleanup(RERR_UNSUPPORTED);
2244 }
2245 }
2246
7be73df4
WD		 2247 if (sanitize_paths) {
2248 int i;
ffbffc64 2249 for (i = argc; i-- > 0; )
d48810ba 2250 argv[i] = sanitize_path(NULL, argv[i], "", 0, SP_KEEP_DOT_DIRS);
1a7f3d99 2251 if (tmpdir)
d48810ba 2252 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0, SP_DEFAULT);
1a7f3d99 2253 if (backup_dir)
d48810ba 2254 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0, SP_DEFAULT);
7be73df4 2255 }
819bfe45 2256 if (daemon_filter_list.head && !am_sender) {
7b6c5c77 2257 filter_rule_list *elp = &daemon_filter_list;
c3ea0990 2258 if (tmpdir) {
a1018691 2259 char *dir;
3671987f
WD		 2260 if (!*tmpdir)
2261 goto options_rejected;
a1018691
WD		 2262 dir = tmpdir + (*tmpdir == '/' ? module_dirlen : 0);
2263 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 2264 if (check_filter(elp, FLOG, dir, 1) < 0)
c3ea0990
WD		 2265 goto options_rejected;
2266 }
c3ea0990 2267 if (backup_dir) {
a1018691 2268 char *dir;
3671987f
WD		 2269 if (!*backup_dir)
2270 goto options_rejected;
a1018691
WD		 2271 dir = backup_dir + (*backup_dir == '/' ? module_dirlen : 0);
2272 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 2273 if (check_filter(elp, FLOG, dir, 1) < 0)
f0fa8c6d 2274 goto options_rejected;
c3ea0990
WD		 2275 }
2276 }
7be73df4 2277
d175d7e1 2278 if (!backup_suffix)
e0391f81 2279 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
d175d7e1 2280 backup_suffix_len = strlen(backup_suffix);
80ddadb7 2281 if (strchr(backup_suffix, '/') != NULL) {
c3ea0990
WD		 2282 snprintf(err_buf, sizeof err_buf,
2283 "--suffix cannot contain slashes: %s\n",
80ddadb7 2284 backup_suffix);
8990ad96 2285 goto cleanup;
80ddadb7 2286 }
e0391f81 2287 if (backup_dir) {
14ebc5b6 2288 size_t len;
e4c9ff58 2289 make_backups = 1; /* --backup-dir implies --backup */
3696674b
WD		 2290 while (*backup_dir == '.' && backup_dir[1] == '/')
2291 backup_dir += 2;
2292 if (*backup_dir == '.' && backup_dir[1] == '\0')
2293 backup_dir++;
14ebc5b6
WD		 2294 len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
2295 if (len > sizeof backup_dir_buf - 128) {
c3ea0990
WD		 2296 snprintf(err_buf, sizeof err_buf,
2297 "the --backup-dir path is WAY too long.\n");
8990ad96 2298 goto cleanup;
e0391f81 2299 }
14ebc5b6 2300 backup_dir_len = (int)len;
4e9c7fae
WD		 2301 if (!backup_dir_len) {
2302 backup_dir_len = -1;
2303 backup_dir = NULL;
2304 } else if (backup_dir_buf[backup_dir_len - 1] != '/') {
e0391f81
WD		 2305 backup_dir_buf[backup_dir_len++] = '/';
2306 backup_dir_buf[backup_dir_len] = '\0';
2307 }
14ebc5b6 2308 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
4e9c7fae
WD		 2309 }
2310 if (backup_dir) {
2311 /* No need for a suffix or a protect rule. */
8dcf9335 2312 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
c3ea0990 2313 snprintf(err_buf, sizeof err_buf,
4e9c7fae
WD		 2314 "--suffix cannot be empty %s\n", backup_dir_len < 0
2315 ? "when --backup-dir is the same as the dest dir"
2316 : "without a --backup-dir");
8990ad96 2317 goto cleanup;
eb8f5c74
WD		 2318 } else if (make_backups && delete_mode && !delete_excluded && !am_server) {
2319 snprintf(backup_dir_buf, sizeof backup_dir_buf,
f41152d3 2320 "P *%s", backup_suffix);
c8fa85b2 2321 parse_filter_str(&filter_list, backup_dir_buf, rule_template(0), 0);
d175d7e1 2322 }
fbd91cae 2323
b774dbc1
WD		 2324 if (make_backups && !backup_dir)
2325 omit_dir_times = -1; /* Implied, so avoid -O to sender. */
d175d7e1 2326
b3e4e7ef
WD		 2327 if (stdout_format) {
2328 if (am_server && log_format_has(stdout_format, 'I'))
2329 stdout_format_has_i = 2;
2330 else if (log_format_has(stdout_format, 'i'))
2331 stdout_format_has_i = itemize_changes | 1;
2332 if (!log_format_has(stdout_format, 'b')
886df221
WD		 2333 && !log_format_has(stdout_format, 'c')
2334 && !log_format_has(stdout_format, 'C'))
e7651884
WD		 2335 log_before_transfer = !am_server;
2336 } else if (itemize_changes) {
b3e4e7ef
WD		 2337 stdout_format = "%i %n%L";
2338 stdout_format_has_i = itemize_changes;
e7651884
WD		 2339 log_before_transfer = !am_server;
2340 }
87383697 2341
951e826b
WD		 2342 if (do_progress && !am_server) {
2343 if (!log_before_transfer && INFO_EQ(NAME, 0))
2344 parse_output_words(info_words, info_levels, "name", DEFAULT_PRIORITY);
0698ea9a 2345 parse_output_words(info_words, info_levels, "FLIST2,PROGRESS", DEFAULT_PRIORITY);
bb4e4d88 2346 }
87383697 2347
11e758a4
WD		 2348 if (dry_run)
2349 do_xfers = 0;
2350
9ac756c6
WD		 2351 set_io_timeout(io_timeout);
2352
951e826b 2353 if (INFO_GTE(NAME, 1) && !stdout_format) {
b3e4e7ef 2354 stdout_format = "%n%L";
87383697 2355 log_before_transfer = !am_server;
3671987f 2356 }
b3e4e7ef
WD		 2357 if (stdout_format_has_i || log_format_has(stdout_format, 'o'))
2358 stdout_format_has_o_or_i = 1;
e2559dbe 2359
232658d9 2360 if (logfile_name && !am_daemon) {
b3e4e7ef 2361 if (!logfile_format) {
232658d9 2362 logfile_format = "%i %n%L";
87c0f9d6 2363 logfile_format_has_i = logfile_format_has_o_or_i = 1;
b3e4e7ef
WD		 2364 } else {
2365 if (log_format_has(logfile_format, 'i'))
19b85876 2366 logfile_format_has_i = 1;
b3e4e7ef
WD		 2367 if (logfile_format_has_i || log_format_has(logfile_format, 'o'))
2368 logfile_format_has_o_or_i = 1;
87c0f9d6 2369 }
6dc9b74b 2370 log_init(0);
2873603a
WD		 2371 } else if (!am_daemon)
2372 logfile_format = NULL;
87c0f9d6 2373
9fb08441
WD		 2374 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
2375 bwlimit = daemon_bwlimit;
3c74c3a3
WD		 2376 if (bwlimit) {
2377 bwlimit_writemax = (size_t)bwlimit * 128;
2378 if (bwlimit_writemax < 512)
2379 bwlimit_writemax = 512;
2380 }
2381
a015788d
WD		 2382 if (append_mode) {
2383 if (whole_file > 0) {
2384 snprintf(err_buf, sizeof err_buf,
2385 "--append cannot be used with --whole-file\n");
8990ad96 2386 goto cleanup;
a015788d
WD		 2387 }
2388 if (refused_inplace) {
2389 create_refuse_error(refused_inplace);
8990ad96 2390 goto cleanup;
a015788d
WD		 2391 }
2392 inplace = 1;
2393 }
2394
9e9d33a2
WD		 2395 if (write_devices) {
2396 if (refused_inplace) {
2397 create_refuse_error(refused_inplace);
8990ad96 2398 goto cleanup;
9e9d33a2
WD		 2399 }
2400 inplace = 1;
2401 }
2402
f06e7082 2403 if (delay_updates && !partial_dir)
77860bac 2404 partial_dir = tmp_partialdir;
f06e7082 2405
a3221d2a 2406 if (inplace) {
4f5b0756 2407#ifdef HAVE_FTRUNCATE
a7260c40
WD		 2408 if (partial_dir) {
2409 snprintf(err_buf, sizeof err_buf,
a015788d
WD		 2410 "--%s cannot be used with --%s\n",
2411 append_mode ? "append" : "inplace",
f06e7082 2412 delay_updates ? "delay-updates" : "partial-dir");
8990ad96 2413 goto cleanup;
a7260c40 2414 }
3671987f
WD		 2415 /* --inplace implies --partial for refusal purposes, but we
2416 * clear the keep_partial flag for internal logic purposes. */
2417 if (refused_partial) {
2418 create_refuse_error(refused_partial);
8990ad96 2419 goto cleanup;
3671987f 2420 }
a3221d2a 2421 keep_partial = 0;
ded4daf0
WD		 2422#else
2423 snprintf(err_buf, sizeof err_buf,
a015788d
WD		 2424 "--%s is not supported on this %s\n",
2425 append_mode ? "append" : "inplace",
ded4daf0 2426 am_server ? "server" : "client");
8990ad96 2427 goto cleanup;
ded4daf0 2428#endif
075aa18f 2429 } else {
bc880cb8 2430 if (keep_partial && !partial_dir && !am_server) {
3671987f
WD		 2431 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
2432 partial_dir = strdup(arg);
2433 }
075aa18f 2434 if (partial_dir) {
3671987f 2435 if (*partial_dir)
b58bfb2f 2436 clean_fname(partial_dir, CFN_COLLAPSE_DOT_DOT_DIRS);
075aa18f
WD		 2437 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
2438 partial_dir = NULL;
3671987f
WD		 2439 if (!partial_dir && refused_partial) {
2440 create_refuse_error(refused_partial);
8990ad96 2441 goto cleanup;
3671987f 2442 }
075aa18f
WD		 2443 keep_partial = 1;
2444 }
a3221d2a
WD		 2445 }
2446
ea5164d1 2447 if (files_from) {
305666bf
WD		 2448 char *h, *p;
2449 int q;
da7acc5e 2450 if (argc > 2 || (!am_daemon && !am_server && argc == 1)) {
ea5164d1
WD		 2451 usage(FERROR);
2452 exit_cleanup(RERR_SYNTAX);
2453 }
63596e1c 2454 if (strcmp(files_from, "-") == 0) {
ea5164d1 2455 filesfrom_fd = 0;
63596e1c 2456 if (am_server)
305666bf
WD		 2457 filesfrom_host = ""; /* reading from socket */
2458 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
ea5164d1 2459 if (am_server) {
305666bf
WD		 2460 snprintf(err_buf, sizeof err_buf,
2461 "The --files-from sent to the server cannot specify a host.\n");
8990ad96 2462 goto cleanup;
ea5164d1 2463 }
305666bf
WD		 2464 files_from = p;
2465 filesfrom_host = h;
2466 if (strcmp(files_from, "-") == 0) {
c3ea0990
WD		 2467 snprintf(err_buf, sizeof err_buf,
2468 "Invalid --files-from remote filename\n");
8990ad96 2469 goto cleanup;
ea5164d1
WD		 2470 }
2471 } else {
305666bf 2472 if (sanitize_paths)
d48810ba 2473 files_from = sanitize_path(NULL, files_from, NULL, 0, SP_DEFAULT);
819bfe45 2474 if (daemon_filter_list.head) {
a1018691 2475 char *dir;
305666bf
WD		 2476 if (!*files_from)
2477 goto options_rejected;
a1018691
WD		 2478 dir = files_from + (*files_from == '/' ? module_dirlen : 0);
2479 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 2480 if (check_filter(&daemon_filter_list, FLOG, dir, 0) < 0)
305666bf
WD		 2481 goto options_rejected;
2482 }
ea5164d1
WD		 2483 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
2484 if (filesfrom_fd < 0) {
c3ea0990
WD		 2485 snprintf(err_buf, sizeof err_buf,
2486 "failed to open files-from file %s: %s\n",
2487 files_from, strerror(errno));
8990ad96 2488 goto cleanup;
ea5164d1
WD		 2489 }
2490 }
2491 }
2492
cff8f044
WD		 2493 if (trust_sender || am_server || read_batch)
2494 trust_sender_args = trust_sender_filter = 1;
2495 else if (old_style_args || filesfrom_host != NULL)
2496 trust_sender_args = 1;
2497
7f2a1f65
WD		 2498 am_starting_up = 0;
2499
b11ed3b1 2500 return 1;
f0fa8c6d
WD		 2501
2502 options_rejected:
2503 snprintf(err_buf, sizeof err_buf,
2504 "Your options have been rejected by the server.\n");
8990ad96
WD		 2505 cleanup:
2506 if (pc)
2507 poptFreeContext(pc);
f0fa8c6d 2508 return 0;
7a6421fa
AT		 2509}
2510
2511
6b8db0f6
WD		 2512static char SPLIT_ARG_WHEN_OLD[1];
2513
2514/**
2515 * Do backslash quoting of any weird chars in "arg", append the resulting
2516 * string to the end of the "opt" (which gets a "=" appended if it is not
2517 * an empty or NULL string), and return the (perhaps malloced) result.
2518 * If opt is NULL, arg is considered a filename arg that allows wildcards.
2519 * If it is "" or any other value, it is considered an option.
2520 **/
2521char *safe_arg(const char *opt, const char *arg)
2522{
5c93dedf 2523#define SHELL_CHARS "!#$&;|<>(){}\"'` \t\\"
6b8db0f6
WD		 2524#define WILD_CHARS "*?[]" /* We don't allow remote brace expansion */
2525 BOOL is_filename_arg = !opt;
2526 char *escapes = is_filename_arg ? SHELL_CHARS : WILD_CHARS SHELL_CHARS;
2527 BOOL escape_leading_dash = is_filename_arg && *arg == '-';
db8034f1 2528 BOOL escape_leading_tilde = 0;
6b8db0f6
WD		 2529 int len1 = opt && *opt ? strlen(opt) + 1 : 0;
2530 int len2 = strlen(arg);
2531 int extras = escape_leading_dash ? 2 : 0;
2532 char *ret;
635d8c06 2533 if (!protect_args && old_style_args < 2 && (!old_style_args || (!is_filename_arg && opt != SPLIT_ARG_WHEN_OLD))) {
6b8db0f6 2534 const char *f;
53749940 2535 if (*arg == '~' && is_filename_arg && !am_sender && !trust_sender_args
db4f919e
WD		 2536 && ((relative_paths && !strstr(arg, "/./"))
2537 || !strchr(arg, '/'))) {
db8034f1
WD		 2538 extras++;
2539 escape_leading_tilde = 1;
2540 }
6b8db0f6
WD		 2541 for (f = arg; *f; f++) {
2542 if (strchr(escapes, *f))
2543 extras++;
2544 }
2545 }
2546 if (!len1 && !extras)
2547 return (char*)arg;
2548 ret = new_array(char, len1 + len2 + extras + 1);
2549 if (len1) {
2550 memcpy(ret, opt, len1-1);
2551 ret[len1-1] = '=';
2552 }
2553 if (escape_leading_dash) {
2554 ret[len1++] = '.';
2555 ret[len1++] = '/';
2556 extras -= 2;
2557 }
2558 if (!extras)
2559 memcpy(ret + len1, arg, len2);
2560 else {
2561 const char *f = arg;
2562 char *t = ret + len1;
db8034f1
WD		 2563 if (escape_leading_tilde)
2564 *t++ = '\\';
6b8db0f6 2565 while (*f) {
38e1b075
WD		 2566 if (*f == '\\') {
2567 if (!is_filename_arg || !strchr(WILD_CHARS, f[1]))
2568 *t++ = '\\';
2569 } else if (strchr(escapes, *f))
6b8db0f6
WD		 2570 *t++ = '\\';
2571 *t++ = *f++;
2572 }
2573 }
2574 ret[len1+len2+extras] = '\0';
2575 return ret;
2576}
2577
2578
dafe63ca
MP		 2579/**
2580 * Construct a filtered list of options to pass through from the
2581 * client to the server.
2582 *
2583 * This involves setting options that will tell the server how to
2584 * behave, and also filtering out options that are processed only
2585 * locally.
2586 **/
ffbffc64 2587void server_options(char **args, int *argc_p)
7a6421fa 2588{
74ba98a5 2589 static char argstr[64];
ffbffc64 2590 int ac = *argc_p;
d239efa3 2591 uchar where;
f98c60bf 2592 char *arg;
d853783f
AT		 2593 int i, x;
2594
def97ff9 2595 /* This should always remain first on the server's command-line. */
d853783f
AT		 2596 args[ac++] = "--server";
2597
2598 if (!am_sender)
2599 args[ac++] = "--sender";
2600
2601 x = 1;
2602 argstr[0] = '-';
a4453606
WD		 2603
2604 if (protect_args)
2605 argstr[x++] = 's';
2606
f98c60bf 2607 for (i = 0; i < verbose; i++)
d853783f 2608 argstr[x++] = 'v';
f0b36a48 2609
c0268d92
WD		 2610 if (quiet && msgs2stderr)
2611 argstr[x++] = 'q';
d853783f
AT		 2612 if (make_backups)
2613 argstr[x++] = 'b';
2614 if (update_only)
2615 argstr[x++] = 'u';
2dbf36ef 2616 if (!do_xfers) /* Note: NOT "dry_run"! */
d853783f
AT		 2617 argstr[x++] = 'n';
2618 if (preserve_links)
2619 argstr[x++] = 'l';
73cb6738
WD		 2620 if ((xfer_dirs >= 2 && xfer_dirs < 4)
2621 || (xfer_dirs && !recurse && (list_only || (delete_mode && am_sender))))
5454d22a 2622 argstr[x++] = 'd';
35bf8fa0
WD		 2623 if (am_sender) {
2624 if (keep_dirlinks)
2625 argstr[x++] = 'K';
876c9936
WD		 2626 if (prune_empty_dirs)
2627 argstr[x++] = 'm';
b774dbc1 2628 if (omit_dir_times > 0)
35bf8fa0 2629 argstr[x++] = 'O';
2624e005
WD		 2630 if (omit_link_times)
2631 argstr[x++] = 'J';
48b51d00
WD		 2632 if (fuzzy_basis) {
2633 argstr[x++] = 'y';
2634 if (fuzzy_basis > 1)
2635 argstr[x++] = 'y';
2636 }
2dbf36ef
WD		 2637 } else {
2638 if (copy_links)
2639 argstr[x++] = 'L';
2640 if (copy_dirlinks)
2641 argstr[x++] = 'k';
35bf8fa0 2642 }
1bfbf40b 2643
dfa32483 2644 if (whole_file > 0)
d853783f 2645 argstr[x++] = 'W';
bceec82f
MP		 2646 /* We don't need to send --no-whole-file, because it's the
2647 * default for remote transfers, and in any case old versions
2648 * of rsync will not understand it. */
dfa32483 2649
e0e32031 2650 if (preserve_hard_links) {
d853783f 2651 argstr[x++] = 'H';
e0e32031
WD		 2652 if (preserve_hard_links > 1)
2653 argstr[x++] = 'H';
2654 }
d853783f
AT		 2655 if (preserve_uid)
2656 argstr[x++] = 'o';
2657 if (preserve_gid)
2658 argstr[x++] = 'g';
b5c6a6ae 2659 if (preserve_devices) /* ignore preserve_specials here */
d853783f 2660 argstr[x++] = 'D';
b774dbc1 2661 if (preserve_mtimes)
d853783f 2662 argstr[x++] = 't';
b9367410
WD		 2663 if (preserve_atimes) {
2664 argstr[x++] = 'U';
2665 if (preserve_atimes > 1)
2666 argstr[x++] = 'U';
2667 }
974f49e2
WD		 2668#ifdef SUPPORT_CRTIMES
2669 if (preserve_crtimes)
2670 argstr[x++] = 'N';
2671#endif
d853783f
AT		 2672 if (preserve_perms)
2673 argstr[x++] = 'p';
344f9ba7
WD		 2674 else if (preserve_executability && am_sender)
2675 argstr[x++] = 'E';
1c3344a1
WD		 2676#ifdef SUPPORT_ACLS
2677 if (preserve_acls)
2678 argstr[x++] = 'A';
16edf865
WD		 2679#endif
2680#ifdef SUPPORT_XATTRS
524eaa82 2681 if (preserve_xattrs) {
16edf865 2682 argstr[x++] = 'X';
524eaa82
WD		 2683 if (preserve_xattrs > 1)
2684 argstr[x++] = 'X';
2685 }
1c3344a1 2686#endif
aa7a6e87 2687 if (recurse)
d853783f
AT		 2688 argstr[x++] = 'r';
2689 if (always_checksum)
2690 argstr[x++] = 'c';
2691 if (cvs_exclude)
2692 argstr[x++] = 'C';
2693 if (ignore_times)
2694 argstr[x++] = 'I';
2695 if (relative_paths)
2696 argstr[x++] = 'R';
243c995f 2697 if (one_file_system) {
d853783f 2698 argstr[x++] = 'x';
243c995f
WD		 2699 if (one_file_system > 1)
2700 argstr[x++] = 'x';
2701 }
d853783f
AT		 2702 if (sparse_files)
2703 argstr[x++] = 'S';
4496e0e8 2704 if (do_compression == CPRES_ZLIB)
d853783f 2705 argstr[x++] = 'z';
f0b36a48 2706
29703623
WD		 2707 set_allow_inc_recurse();
2708
25526eb3
WD		 2709 /* This '\0'-terminates argstr and makes sure it didn't overflow. */
2710 x += maybe_add_e_option(argstr + x, (int)sizeof argstr - x);
951e826b 2711
6d301fa3
WD		 2712 if (x > 1)
2713 args[ac++] = argstr;
d853783f 2714
a4453606
WD		 2715#ifdef ICONV_OPTION
2716 if (iconv_opt) {
2717 char *set = strchr(iconv_opt, ',');
2718 if (set)
2719 set++;
2720 else
2721 set = iconv_opt;
6b8db0f6 2722 args[ac++] = safe_arg("--iconv", set);
a4453606
WD		 2723 }
2724#endif
2725
53936ef9 2726 if (protect_args && !local_server) /* unprotected args stop here */
a4453606
WD		 2727 args[ac++] = NULL;
2728
51d48398
WD		 2729 if (list_only > 1)
2730 args[ac++] = "--list-only";
2731
f5a910dd
WD		 2732 /* This makes sure that the remote rsync can handle deleting with -d
2733 * sans -r because the --no-r option was added at the same time. */
2734 if (xfer_dirs && !recurse && delete_mode && am_sender)
2735 args[ac++] = "--no-r";
2736
d999efe6
WD		 2737 if (do_compression && do_compression_level != CLVL_NOT_SPECIFIED) {
2738 if (asprintf(&arg, "--compress-level=%d", do_compression_level) < 0)
854a1aad
WD		 2739 goto oom;
2740 args[ac++] = arg;
2741 }
2742
b5c6a6ae
WD		 2743 if (preserve_devices) {
2744 /* Note: sending "--devices" would not be backward-compatible. */
2745 if (!preserve_specials)
2746 args[ac++] = "--no-specials"; /* -D is already set. */
2747 } else if (preserve_specials)
2748 args[ac++] = "--specials";
2749
5c5e1598
WD		 2750 /* The server side doesn't use our log-format, but in certain
2751 * circumstances they need to know a little about the option. */
b3e4e7ef
WD		 2752 if (stdout_format && am_sender) {
2753 /* Use --log-format, not --out-format, for compatibility. */
2754 if (stdout_format_has_i > 1)
487094a0 2755 args[ac++] = "--log-format=%i%I";
b3e4e7ef 2756 else if (stdout_format_has_i)
684d7582 2757 args[ac++] = "--log-format=%i";
b3e4e7ef 2758 else if (stdout_format_has_o_or_i)
5c5e1598
WD		 2759 args[ac++] = "--log-format=%o";
2760 else if (!verbose)
2761 args[ac++] = "--log-format=X";
2762 }
1f30a674 2763
592059c8
WD		 2764 if (msgs2stderr == 1)
2765 args[ac++] = "--msgs2stderr";
2766 else if (msgs2stderr == 0)
2767 args[ac++] = "--no-msgs2stderr";
2768
195bd906 2769 if (block_size) {
da7a3506 2770 if (asprintf(&arg, "-B%u", (int)block_size) < 0)
f98c60bf
WD		 2771 goto oom;
2772 args[ac++] = arg;
dfa32483 2773 }
d853783f
AT		 2774
2775 if (io_timeout) {
f98c60bf
WD		 2776 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
2777 goto oom;
2778 args[ac++] = arg;
dfa32483 2779 }
d853783f 2780
ef5d23eb 2781 if (bwlimit) {
f98c60bf
WD		 2782 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
2783 goto oom;
2784 args[ac++] = arg;
ef5d23eb
DD		 2785 }
2786
d175d7e1 2787 if (backup_dir) {
6b8db0f6 2788 /* This split idiom allows for ~/path expansion via the shell. */
d175d7e1 2789 args[ac++] = "--backup-dir";
6b8db0f6 2790 args[ac++] = safe_arg("", backup_dir);
d175d7e1
WD		 2791 }
2792
2793 /* Only send --suffix if it specifies a non-default value. */
6b8db0f6
WD		 2794 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0)
2795 args[ac++] = safe_arg("--suffix", backup_suffix);
d853783f 2796
6b8db0f6
WD		 2797 if (checksum_choice)
2798 args[ac++] = safe_arg("--checksum-choice", checksum_choice);
a5a7d3a2 2799
4496e0e8 2800 if (do_compression == CPRES_ZLIBX)
64d5ea39 2801 args[ac++] = "--new-compress";
4496e0e8 2802 else if (compress_choice && do_compression == CPRES_ZLIB)
64d5ea39 2803 args[ac++] = "--old-compress";
6b8db0f6
WD		 2804 else if (compress_choice)
2805 args[ac++] = safe_arg("--compress-choice", compress_choice);
64d5ea39 2806
06a50542 2807 if (am_sender) {
7b9598b2
WD		 2808 if (max_delete > 0) {
2809 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
2810 goto oom;
2811 args[ac++] = arg;
2812 } else if (max_delete == 0)
d6ca255c 2813 args[ac++] = "--max-delete=-1";
6b8db0f6
WD		 2814 if (min_size >= 0)
2815 args[ac++] = safe_arg("--min-size", min_size_arg);
2816 if (max_size >= 0)
2817 args[ac++] = safe_arg("--max-size", max_size_arg);
e0e32031 2818 if (delete_before)
c6eb7fad 2819 args[ac++] = "--delete-before";
0d152437
WD		 2820 else if (delete_during == 2)
2821 args[ac++] = "--delete-delay";
2822 else if (delete_during)
2823 args[ac++] = "--delete-during";
2824 else if (delete_after)
06a50542 2825 args[ac++] = "--delete-after";
e0e32031
WD		 2826 else if (delete_mode && !delete_excluded)
2827 args[ac++] = "--delete";
2828 if (delete_excluded)
2829 args[ac++] = "--delete-excluded";
06a50542
WD		 2830 if (force_delete)
2831 args[ac++] = "--force";
11e758a4
WD		 2832 if (write_batch < 0)
2833 args[ac++] = "--only-write-batch=X";
def97ff9
WD		 2834 if (am_root > 1)
2835 args[ac++] = "--super";
f17e769e
WD		 2836 if (size_only)
2837 args[ac++] = "--size-only";
dc6fb11b
WD		 2838 if (do_stats)
2839 args[ac++] = "--stats";
b1e436ec 2840 } else {
6b8db0f6
WD		 2841 if (skip_compress)
2842 args[ac++] = safe_arg("--skip-compress", skip_compress);
06a50542 2843 }
b33b791e 2844
6b8db0f6
WD		 2845 if (max_alloc_arg && max_alloc != DEFAULT_MAX_ALLOC)
2846 args[ac++] = safe_arg("--max-alloc", max_alloc_arg);
11eb67ee 2847
42d8ec61
WD		 2848 /* --delete-missing-args needs the cooperation of both sides, but
2849 * the sender can handle --ignore-missing-args by itself. */
2850 if (missing_args == 2)
ce66f417 2851 args[ac++] = "--delete-missing-args";
42d8ec61
WD		 2852 else if (missing_args == 1 && !am_sender)
2853 args[ac++] = "--ignore-missing-args";
ce66f417 2854
839dbff2
WD		 2855 if (modify_window_set && am_sender) {
2856 char *fmt = modify_window < 0 ? "-@%d" : "--modify-window=%d";
2857 if (asprintf(&arg, fmt, modify_window) < 0)
f98c60bf
WD		 2858 goto oom;
2859 args[ac++] = arg;
5b56cc19
AT		 2860 }
2861
c8d895de 2862 if (checksum_seed) {
221ddb94 2863 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
c8d895de
WD		 2864 goto oom;
2865 args[ac++] = arg;
2866 }
2867
a7260c40 2868 if (partial_dir && am_sender) {
77860bac 2869 if (partial_dir != tmp_partialdir) {
3671987f 2870 args[ac++] = "--partial-dir";
6b8db0f6 2871 args[ac++] = safe_arg("", partial_dir);
3671987f 2872 }
f06e7082
WD		 2873 if (delay_updates)
2874 args[ac++] = "--delay-updates";
77860bac 2875 } else if (keep_partial && am_sender)
d853783f
AT		 2876 args[ac++] = "--partial";
2877
ef55c686
AT		 2878 if (ignore_errors)
2879 args[ac++] = "--ignore-errors";
2880
b5313607
DD		 2881 if (copy_unsafe_links)
2882 args[ac++] = "--copy-unsafe-links";
2883
d853783f
AT		 2884 if (safe_symlinks)
2885 args[ac++] = "--safe-links";
2886
2887 if (numeric_ids)
2888 args[ac++] = "--numeric-ids";
2889
95def6d9
WD		 2890 if (use_qsort)
2891 args[ac++] = "--use-qsort";
2892
4f3797c7 2893 if (am_sender) {
6b8db0f6
WD		 2894 if (usermap)
2895 args[ac++] = safe_arg("--usermap", usermap);
2df20057 2896
6b8db0f6
WD		 2897 if (groupmap)
2898 args[ac++] = safe_arg("--groupmap", groupmap);
2df20057 2899
4f3797c7
WD		 2900 if (ignore_existing)
2901 args[ac++] = "--ignore-existing";
2902
2903 /* Backward compatibility: send --existing, not --ignore-non-existing. */
2904 if (ignore_non_existing)
2905 args[ac++] = "--existing";
3d6feada 2906
4f3797c7
WD		 2907 if (tmpdir) {
2908 args[ac++] = "--temp-dir";
6b8db0f6 2909 args[ac++] = safe_arg("", tmpdir);
4f3797c7
WD		 2910 }
2911
82f023d7
WD		 2912 if (do_fsync)
2913 args[ac++] = "--fsync";
2914
4f3797c7
WD		 2915 if (basis_dir[0]) {
2916 /* the server only needs this option if it is not the sender,
2917 * and it may be an older version that doesn't know this
2918 * option, so don't send it if client is the sender.
2919 */
4f3797c7 2920 for (i = 0; i < basis_dir_cnt; i++) {
cdf58a7a 2921 args[ac++] = alt_dest_opt(0);
6b8db0f6 2922 args[ac++] = safe_arg("", basis_dir[i]);
4f3797c7
WD		 2923 }
2924 }
2925 }
e90aab49 2926
951e826b
WD		 2927 /* What flags do we need to send to the other side? */
2928 where = (am_server ? W_CLI : W_SRV) | (am_sender ? W_REC : W_SND);
2929 arg = make_output_option(info_words, info_levels, where);
2930 if (arg)
2931 args[ac++] = arg;
2932
936fa865
WD		 2933 if (append_mode) {
2934 if (append_mode > 1)
2935 args[ac++] = "--append";
a015788d 2936 args[ac++] = "--append";
ec57c57b 2937 } else if (inplace) {
a3221d2a 2938 args[ac++] = "--inplace";
ec57c57b 2939 /* Work around a bug in older rsync versions (on the remote side) for --inplace --sparse */
f1a6998d 2940 if (sparse_files && !whole_file && am_sender)
ec57c57b
WD		 2941 args[ac++] = "--no-W";
2942 }
a3221d2a 2943
305666bf
WD		 2944 if (files_from && (!am_sender || filesfrom_host)) {
2945 if (filesfrom_host) {
ea5164d1 2946 args[ac++] = "--files-from";
6b8db0f6 2947 args[ac++] = safe_arg("", files_from);
ea5164d1
WD		 2948 if (eol_nulls)
2949 args[ac++] = "--from0";
2950 } else {
2951 args[ac++] = "--files-from=-";
2952 args[ac++] = "--from0";
2953 }
c0ab28d1
WD		 2954 if (!relative_paths)
2955 args[ac++] = "--no-relative";
ea5164d1 2956 }
33a04593
WD		 2957 /* It's OK that this checks the upper-bound of the protocol_version. */
2958 if (relative_paths && !implied_dirs && (!am_sender || protocol_version >= 30))
3a90ea0a 2959 args[ac++] = "--no-implied-dirs";
ea5164d1 2960
7e70e484 2961 if (write_devices && am_sender)
9e9d33a2
WD		 2962 args[ac++] = "--write-devices";
2963
47c11975
WD		 2964 if (remove_source_files == 1)
2965 args[ac++] = "--remove-source-files";
2966 else if (remove_source_files)
07c6ae7d
WD		 2967 args[ac++] = "--remove-sent-files";
2968
8aa46511
WD		 2969 if (copy_devices && !am_sender)
2970 args[ac++] = "--copy-devices";
2971
28b519c9
WD		 2972 if (preallocate_files && am_sender)
2973 args[ac++] = "--preallocate";
2974
87257f86
WD		 2975 if (open_noatime && preserve_atimes <= 1)
2976 args[ac++] = "--open-noatime";
b9367410 2977
01742c07
WD		 2978 if (mkpath_dest_arg && am_sender)
2979 args[ac++] = "--mkpath";
2980
7a2eca41
WD		 2981 if (ac > MAX_SERVER_ARGS) { /* Not possible... */
2982 rprintf(FERROR, "argc overflow in server_options().\n");
2983 exit_cleanup(RERR_MALLOC);
2984 }
2985
2986 if (remote_option_cnt) {
2987 int j;
2988 if (ac + remote_option_cnt > MAX_SERVER_ARGS) {
2989 rprintf(FERROR, "too many remote options specified.\n");
2990 exit_cleanup(RERR_SYNTAX);
2991 }
2992 for (j = 1; j <= remote_option_cnt; j++)
6b8db0f6 2993 args[ac++] = safe_arg(SPLIT_ARG_WHEN_OLD, remote_options[j]);
7a2eca41
WD		 2994 }
2995
ffbffc64 2996 *argc_p = ac;
f98c60bf
WD		 2997 return;
2998
2999 oom:
3000 out_of_memory("server_options");
7a6421fa
AT		 3001}
3002
25526eb3
WD		 3003int maybe_add_e_option(char *buf, int buf_len)
3004{
3005 int x = 0;
3006
3007 /* We don't really know the actual protocol_version at this point,
3008 * but checking the pre-negotiated value allows the user to use a
3009 * --protocol=29 override to avoid the use of this -eFLAGS opt. */
3010 if (protocol_version >= 30 && buf_len > 0) {
3011 /* We make use of the -e option to let the server know about
3012 * any pre-release protocol version && some behavior flags. */
3013 buf[x++] = 'e';
3014
3015#if SUBPROTOCOL_VERSION != 0
3016 if (protocol_version == PROTOCOL_VERSION)
3017 x += snprintf(buf + x, buf_len - x, "%d.%d", PROTOCOL_VERSION, SUBPROTOCOL_VERSION);
3018 else
3019#endif
3020 buf[x++] = '.';
3021 if (allow_inc_recurse)
3022 buf[x++] = 'i';
3023#ifdef CAN_SET_SYMLINK_TIMES
3024 buf[x++] = 'L'; /* symlink time-setting support */
3025#endif
3026#ifdef ICONV_OPTION
3027 buf[x++] = 's'; /* symlink iconv translation support */
3028#endif
3029 buf[x++] = 'f'; /* flist I/O-error safety support */
3030 buf[x++] = 'x'; /* xattr hardlink optimization not desired */
3031 buf[x++] = 'C'; /* support checksum seed order fix */
3032 buf[x++] = 'I'; /* support inplace_partial behavior */
3033 buf[x++] = 'v'; /* use varint for flist & compat flags; negotiate checksum */
3034 buf[x++] = 'u'; /* include name of uid 0 & gid 0 in the id map */
3035
3036 /* NOTE: Avoid using 'V' -- it was represented with the high bit of a write_byte() that became a write_varint(). */
3037 }
3038
3039 if (x >= buf_len) { /* Not possible... */
3040 rprintf(FERROR, "overflow in add_e_flags().\n");
3041 exit_cleanup(RERR_MALLOC);
3042 }
3043
3044 buf[x] = '\0';
3045
3046 return x;
3047}
3048
58cf3547
WD		 3049/* If str points to a valid hostspec, return allocated memory containing the
3050 * [USER@]HOST part of the string, and set the path_start_ptr to the part of
3051 * the string after the host part. Otherwise, return NULL. If port_ptr is
3052 * non-NULL, we must be parsing an rsync:// URL hostname, and we will set
3053 * *port_ptr if a port number is found. Note that IPv6 IPs will have their
3054 * (required for parsing) [ and ] chars elided from the returned string. */
3055static char *parse_hostspec(char *str, char **path_start_ptr, int *port_ptr)
3056{
4d13a2fe 3057 char *s, *host_start = str;
58cf3547
WD		 3058 int hostlen = 0, userlen = 0;
3059 char *ret;
3060
4d13a2fe 3061 for (s = str; ; s++) {
58cf3547
WD		 3062 if (!*s) {
3063 /* It is only OK if we run out of string with rsync:// */
4d13a2fe
WD		 3064 if (!port_ptr)
3065 return NULL;
3066 if (!hostlen)
3067 hostlen = s - host_start;
3068 break;
58cf3547
WD		 3069 }
3070 if (*s == ':' || *s == '/') {
3071 if (!hostlen)
3072 hostlen = s - host_start;
3073 if (*s++ == '/') {
3074 if (!port_ptr)
3075 return NULL;
3076 } else if (port_ptr) {
3077 *port_ptr = atoi(s);
3078 while (isDigit(s)) s++;
4d13a2fe 3079 if (*s && *s++ != '/')
58cf3547
WD		 3080 return NULL;
3081 }
3082 break;
3083 }
3084 if (*s == '@') {
3085 userlen = s - str + 1;
3086 host_start = s + 1;
3087 } else if (*s == '[') {
3088 if (s != host_start++)
3089 return NULL;
3090 while (*s && *s != ']' && *s != '/') s++; /*SHARED ITERATOR*/
3091 hostlen = s - host_start;
3092 if (*s != ']' || (s[1] && s[1] != '/' && s[1] != ':') || !hostlen)
3093 return NULL;
3094 }
3095 }
3096
3097 *path_start_ptr = s;
3098 ret = new_array(char, userlen + hostlen + 1);
3099 if (userlen)
3100 strlcpy(ret, str, userlen + 1);
3101 strlcpy(ret + userlen, host_start, hostlen + 1);
3102 return ret;
3103}
3104
d2970213 3105/* Look for a HOST specification of the form "HOST:PATH", "HOST::PATH", or
305666bf
WD		 3106 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
3107 * memory with the HOST. If a daemon-accessing spec was specified, the value
3108 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
3109 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
3110 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
3111 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
3112char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
ea5164d1 3113{
58cf3547 3114 char *path;
305666bf
WD		 3115
3116 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
58cf3547
WD		 3117 *host_ptr = parse_hostspec(s + strlen(URL_PREFIX), &path, port_ptr);
3118 if (*host_ptr) {
3119 if (!*port_ptr)
70cbc66b 3120 *port_ptr = -1; /* -1 indicates they want the default */
58cf3547 3121 return path;
305666bf 3122 }
305666bf
WD		 3123 }
3124
58cf3547
WD		 3125 *host_ptr = parse_hostspec(s, &path, NULL);
3126 if (!*host_ptr)
3127 return NULL;
ea5164d1 3128
58cf3547 3129 if (*path == ':') {
305666bf 3130 if (port_ptr && !*port_ptr)
e2aee6c4 3131 *port_ptr = -1;
58cf3547 3132 return path + 1;
305666bf
WD		 3133 }
3134 if (port_ptr)
3135 *port_ptr = 0;
ea5164d1 3136
58cf3547 3137 return path;
ea5164d1 3138}
Mirror of https://github.com/WayneD/rsync.git