1: /*
2: * Command-line (and received via daemon-socket) option parsing.
3: *
4: * Copyright (C) 1998-2001 Andrew Tridgell <tridge@samba.org>
5: * Copyright (C) 2000, 2001, 2002 Martin Pool <mbp@samba.org>
6: * Copyright (C) 2002-2015 Wayne Davison
7: *
8: * This program is free software; you can redistribute it and/or modify
9: * it under the terms of the GNU General Public License as published by
10: * the Free Software Foundation; either version 3 of the License, or
11: * (at your option) any later version.
12: *
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.
17: *
18: * You should have received a copy of the GNU General Public License along
19: * with this program; if not, visit the http://fsf.org website.
20: */
21:
22: #include "rsync.h"
23: #include "itypes.h"
24: #include <popt.h>
25: #include <zlib.h>
26:
27: extern int module_id;
28: extern int local_server;
29: extern int sanitize_paths;
30: extern int daemon_over_rsh;
31: extern unsigned int module_dirlen;
32: extern filter_rule_list filter_list;
33: extern filter_rule_list daemon_filter_list;
34:
35: #define NOT_SPECIFIED (-42)
36:
37: int make_backups = 0;
38:
39: /**
40: * If 1, send the whole file as literal data rather than trying to
41: * create an incremental diff.
42: *
43: * If -1, then look at whether we're local or remote and go by that.
44: *
45: * @sa disable_deltas_p()
46: **/
47: int whole_file = -1;
48:
49: int append_mode = 0;
50: int keep_dirlinks = 0;
51: int copy_dirlinks = 0;
52: int copy_links = 0;
53: int preserve_links = 0;
54: int preserve_hard_links = 0;
55: int preserve_acls = 0;
56: int preserve_xattrs = 0;
57: int preserve_perms = 0;
58: int preserve_executability = 0;
59: int preserve_devices = 0;
60: int preserve_specials = 0;
61: int preserve_uid = 0;
62: int preserve_gid = 0;
63: int preserve_times = 0;
64: int update_only = 0;
65: int cvs_exclude = 0;
66: int dry_run = 0;
67: int do_xfers = 1;
68: int ignore_times = 0;
69: int delete_mode = 0;
70: int delete_during = 0;
71: int delete_before = 0;
72: int delete_after = 0;
73: int delete_excluded = 0;
74: int remove_source_files = 0;
75: int one_file_system = 0;
76: int protocol_version = PROTOCOL_VERSION;
77: int sparse_files = 0;
78: int preallocate_files = 0;
79: int do_compression = 0;
80: int def_compress_level = NOT_SPECIFIED;
81: int am_root = 0; /* 0 = normal, 1 = root, 2 = --super, -1 = --fake-super */
82: int am_server = 0;
83: int am_sender = 0;
84: int am_starting_up = 1;
85: int relative_paths = -1;
86: int implied_dirs = 1;
87: int missing_args = 0; /* 0 = FERROR_XFER, 1 = ignore, 2 = delete */
88: int numeric_ids = 0;
89: int msgs2stderr = 0;
90: int allow_8bit_chars = 0;
91: int force_delete = 0;
92: int io_timeout = 0;
93: int prune_empty_dirs = 0;
94: int use_qsort = 0;
95: char *files_from = NULL;
96: int filesfrom_fd = -1;
97: char *filesfrom_host = NULL;
98: int eol_nulls = 0;
99: int protect_args = -1;
100: int human_readable = 1;
101: int recurse = 0;
102: int allow_inc_recurse = 1;
103: int xfer_dirs = -1;
104: int am_daemon = 0;
105: int connect_timeout = 0;
106: int keep_partial = 0;
107: int safe_symlinks = 0;
108: int copy_unsafe_links = 0;
109: int munge_symlinks = 0;
110: int size_only = 0;
111: int daemon_bwlimit = 0;
112: int bwlimit = 0;
113: int fuzzy_basis = 0;
114: size_t bwlimit_writemax = 0;
115: int ignore_existing = 0;
116: int ignore_non_existing = 0;
117: int need_messages_from_generator = 0;
118: int max_delete = INT_MIN;
119: OFF_T max_size = -1;
120: OFF_T min_size = -1;
121: int ignore_errors = 0;
122: int modify_window = 0;
123: int blocking_io = -1;
124: int checksum_seed = 0;
125: int inplace = 0;
126: int delay_updates = 0;
127: long block_size = 0; /* "long" because popt can't set an int32. */
128: char *skip_compress = NULL;
129: item_list dparam_list = EMPTY_ITEM_LIST;
130:
131: /** Network address family. **/
132: int default_af_hint
133: #ifdef INET6
134: = 0; /* Any protocol */
135: #else
136: = AF_INET; /* Must use IPv4 */
137: # ifdef AF_INET6
138: # undef AF_INET6
139: # endif
140: # define AF_INET6 AF_INET /* make -6 option a no-op */
141: #endif
142:
143: /** Do not go into the background when run as --daemon. Good
144: * for debugging and required for running as a service on W32,
145: * or under Unix process-monitors. **/
146: int no_detach
147: #if defined _WIN32 || defined __WIN32__
148: = 1;
149: #else
150: = 0;
151: #endif
152:
153: int write_batch = 0;
154: int read_batch = 0;
155: int backup_dir_len = 0;
156: int backup_suffix_len;
157: unsigned int backup_dir_remainder;
158:
159: char *backup_suffix = NULL;
160: char *tmpdir = NULL;
161: char *partial_dir = NULL;
162: char *basis_dir[MAX_BASIS_DIRS+1];
163: char *config_file = NULL;
164: char *shell_cmd = NULL;
165: char *logfile_name = NULL;
166: char *logfile_format = NULL;
167: char *stdout_format = NULL;
168: char *password_file = NULL;
169: char *rsync_path = RSYNC_PATH;
170: char *backup_dir = NULL;
171: char backup_dir_buf[MAXPATHLEN];
172: char *sockopts = NULL;
173: char *usermap = NULL;
174: char *groupmap = NULL;
175: int rsync_port = 0;
176: int compare_dest = 0;
177: int copy_dest = 0;
178: int link_dest = 0;
179: int basis_dir_cnt = 0;
180: char *dest_option = NULL;
181:
182: static int remote_option_alloc = 0;
183: int remote_option_cnt = 0;
184: const char **remote_options = NULL;
185:
186: int quiet = 0;
187: int output_motd = 1;
188: int log_before_transfer = 0;
189: int stdout_format_has_i = 0;
190: int stdout_format_has_o_or_i = 0;
191: int logfile_format_has_i = 0;
192: int logfile_format_has_o_or_i = 0;
193: int always_checksum = 0;
194: int list_only = 0;
195:
196: #define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
197: char *batch_name = NULL;
198:
199: int need_unsorted_flist = 0;
200: #ifdef ICONV_OPTION
201: char *iconv_opt = ICONV_OPTION;
202: #endif
203:
204: struct chmod_mode_struct *chmod_modes = NULL;
205:
206: static const char *debug_verbosity[] = {
207: /*0*/ NULL,
208: /*1*/ NULL,
209: /*2*/ "BIND,CMD,CONNECT,DEL,DELTASUM,DUP,FILTER,FLIST,ICONV",
210: /*3*/ "ACL,BACKUP,CONNECT2,DELTASUM2,DEL2,EXIT,FILTER2,FLIST2,FUZZY,GENR,OWN,RECV,SEND,TIME",
211: /*4*/ "CMD2,DELTASUM3,DEL3,EXIT2,FLIST3,ICONV2,OWN2,PROTO,TIME2",
212: /*5*/ "CHDIR,DELTASUM4,FLIST4,FUZZY2,HASH,HLINK",
213: };
214:
215: #define MAX_VERBOSITY ((int)(sizeof debug_verbosity / sizeof debug_verbosity[0]) - 1)
216:
217: static const char *info_verbosity[1+MAX_VERBOSITY] = {
218: /*0*/ NULL,
219: /*1*/ "COPY,DEL,FLIST,MISC,NAME,STATS,SYMSAFE",
220: /*2*/ "BACKUP,MISC2,MOUNT,NAME2,REMOVE,SKIP",
221: };
222:
223: #define MAX_OUT_LEVEL 4 /* The largest N allowed for any flagN word. */
224:
225: short info_levels[COUNT_INFO], debug_levels[COUNT_DEBUG];
226:
227: #define DEFAULT_PRIORITY 0 /* Default/implied/--verbose set values. */
228: #define HELP_PRIORITY 1 /* The help output uses this level. */
229: #define USER_PRIORITY 2 /* User-specified via --info or --debug */
230: #define LIMIT_PRIORITY 3 /* Overriding priority when limiting values. */
231:
232: #define W_CLI (1<<0) /* client side */
233: #define W_SRV (1<<1) /* server side */
234: #define W_SND (1<<2) /* sending side */
235: #define W_REC (1<<3) /* receiving side */
236:
237: struct output_struct {
238: char *name; /* The name of the info/debug flag. */
239: char *help; /* The description of the info/debug flag. */
240: uchar namelen; /* The length of the name string. */
241: uchar flag; /* The flag's value, for consistency check. */
242: uchar where; /* Bits indicating where the flag is used. */
243: uchar priority; /* See *_PRIORITY defines. */
244: };
245:
246: #define INFO_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, INFO_##flag, where, 0 }
247:
248: static struct output_struct info_words[COUNT_INFO+1] = {
249: INFO_WORD(BACKUP, W_REC, "Mention files backed up"),
250: INFO_WORD(COPY, W_REC, "Mention files copied locally on the receiving side"),
251: INFO_WORD(DEL, W_REC, "Mention deletions on the receiving side"),
252: INFO_WORD(FLIST, W_CLI, "Mention file-list receiving/sending (levels 1-2)"),
253: INFO_WORD(MISC, W_SND|W_REC, "Mention miscellaneous information (levels 1-2)"),
254: INFO_WORD(MOUNT, W_SND|W_REC, "Mention mounts that were found or skipped"),
255: INFO_WORD(NAME, W_SND|W_REC, "Mention 1) updated file/dir names, 2) unchanged names"),
256: INFO_WORD(PROGRESS, W_CLI, "Mention 1) per-file progress or 2) total transfer progress"),
257: INFO_WORD(REMOVE, W_SND, "Mention files removed on the sending side"),
258: INFO_WORD(SKIP, W_REC, "Mention files that are skipped due to options used"),
259: INFO_WORD(STATS, W_CLI|W_SRV, "Mention statistics at end of run (levels 1-3)"),
260: INFO_WORD(SYMSAFE, W_SND|W_REC, "Mention symlinks that are unsafe"),
261: { NULL, "--info", 0, 0, 0, 0 }
262: };
263:
264: #define DEBUG_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, DEBUG_##flag, where, 0 }
265:
266: static struct output_struct debug_words[COUNT_DEBUG+1] = {
267: DEBUG_WORD(ACL, W_SND|W_REC, "Debug extra ACL info"),
268: DEBUG_WORD(BACKUP, W_REC, "Debug backup actions (levels 1-2)"),
269: DEBUG_WORD(BIND, W_CLI, "Debug socket bind actions"),
270: DEBUG_WORD(CHDIR, W_CLI|W_SRV, "Debug when the current directory changes"),
271: DEBUG_WORD(CONNECT, W_CLI, "Debug connection events (levels 1-2)"),
272: DEBUG_WORD(CMD, W_CLI, "Debug commands+options that are issued (levels 1-2)"),
273: DEBUG_WORD(DEL, W_REC, "Debug delete actions (levels 1-3)"),
274: DEBUG_WORD(DELTASUM, W_SND|W_REC, "Debug delta-transfer checksumming (levels 1-4)"),
275: DEBUG_WORD(DUP, W_REC, "Debug weeding of duplicate names"),
276: DEBUG_WORD(EXIT, W_CLI|W_SRV, "Debug exit events (levels 1-3)"),
277: DEBUG_WORD(FILTER, W_SND|W_REC, "Debug filter actions (levels 1-2)"),
278: DEBUG_WORD(FLIST, W_SND|W_REC, "Debug file-list operations (levels 1-4)"),
279: DEBUG_WORD(FUZZY, W_REC, "Debug fuzzy scoring (levels 1-2)"),
280: DEBUG_WORD(GENR, W_REC, "Debug generator functions"),
281: DEBUG_WORD(HASH, W_SND|W_REC, "Debug hashtable code"),
282: DEBUG_WORD(HLINK, W_SND|W_REC, "Debug hard-link actions (levels 1-3)"),
283: DEBUG_WORD(ICONV, W_CLI|W_SRV, "Debug iconv character conversions (levels 1-2)"),
284: DEBUG_WORD(IO, W_CLI|W_SRV, "Debug I/O routines (levels 1-4)"),
285: DEBUG_WORD(OWN, W_REC, "Debug ownership changes in users & groups (levels 1-2)"),
286: DEBUG_WORD(PROTO, W_CLI|W_SRV, "Debug protocol information"),
287: DEBUG_WORD(RECV, W_REC, "Debug receiver functions"),
288: DEBUG_WORD(SEND, W_SND, "Debug sender functions"),
289: DEBUG_WORD(TIME, W_REC, "Debug setting of modified times (levels 1-2)"),
290: { NULL, "--debug", 0, 0, 0, 0 }
291: };
292:
293: static int verbose = 0;
294: static int do_stats = 0;
295: static int do_progress = 0;
296: static int daemon_opt; /* sets am_daemon after option error-reporting */
297: static int omit_dir_times = 0;
298: static int omit_link_times = 0;
299: static int F_option_cnt = 0;
300: static int modify_window_set;
301: static int itemize_changes = 0;
302: static int refused_delete, refused_archive_part, refused_compress;
303: static int refused_partial, refused_progress, refused_delete_before;
304: static int refused_delete_during;
305: static int refused_inplace, refused_no_iconv;
306: static BOOL usermap_via_chown, groupmap_via_chown;
307: #ifdef HAVE_SETVBUF
308: static char *outbuf_mode;
309: #endif
310: static char *bwlimit_arg, *max_size_arg, *min_size_arg;
311: static char tmp_partialdir[] = ".~tmp~";
312:
313: /** Local address to bind. As a character string because it's
314: * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
315: * address, or a hostname. **/
316: char *bind_address;
317:
318: static void output_item_help(struct output_struct *words);
319:
320: /* This constructs a string that represents all the options set for either
321: * the --info or --debug setting, skipping any implied options (by -v, etc.).
322: * This is used both when conveying the user's options to the server, and
323: * when the help output wants to tell the user what options are implied. */
324: static char *make_output_option(struct output_struct *words, short *levels, uchar where)
325: {
326: char *str = words == info_words ? "--info=" : "--debug=";
327: int j, counts[MAX_OUT_LEVEL+1], pos, skipped = 0, len = 0, max = 0, lev = 0;
328: int word_count = words == info_words ? COUNT_INFO : COUNT_DEBUG;
329: char *buf;
330:
331: memset(counts, 0, sizeof counts);
332:
333: for (j = 0; words[j].name; j++) {
334: if (words[j].flag != j) {
335: rprintf(FERROR, "rsync: internal error on %s%s: %d != %d\n",
336: words == info_words ? "INFO_" : "DEBUG_",
337: words[j].name, words[j].flag, j);
338: exit_cleanup(RERR_UNSUPPORTED);
339: }
340: if (!(words[j].where & where))
341: continue;
342: if (words[j].priority == DEFAULT_PRIORITY) {
343: /* Implied items don't need to be mentioned. */
344: skipped++;
345: continue;
346: }
347: len += len ? 1 : strlen(str);
348: len += strlen(words[j].name);
349: len += levels[j] == 1 ? 0 : 1;
350:
351: if (words[j].priority == HELP_PRIORITY)
352: continue; /* no abbreviating for help */
353:
354: assert(levels[j] <= MAX_OUT_LEVEL);
355: if (++counts[levels[j]] > max) {
356: /* Determine which level has the most items. */
357: lev = levels[j];
358: max = counts[lev];
359: }
360: }
361:
362: /* Sanity check the COUNT_* define against the length of the table. */
363: if (j != word_count) {
364: rprintf(FERROR, "rsync: internal error: %s is wrong! (%d != %d)\n",
365: words == info_words ? "COUNT_INFO" : "COUNT_DEBUG",
366: j, word_count);
367: exit_cleanup(RERR_UNSUPPORTED);
368: }
369:
370: if (!len)
371: return NULL;
372:
373: len++;
374: if (!(buf = new_array(char, len)))
375: out_of_memory("make_output_option");
376: pos = 0;
377:
378: if (skipped || max < 5)
379: lev = -1;
380: else {
381: if (lev == 0)
382: pos += snprintf(buf, len, "%sNONE", str);
383: else if (lev == 1)
384: pos += snprintf(buf, len, "%sALL", str);
385: else
386: pos += snprintf(buf, len, "%sALL%d", str, lev);
387: }
388:
389: for (j = 0; words[j].name && pos < len; j++) {
390: if (words[j].priority == DEFAULT_PRIORITY || levels[j] == lev || !(words[j].where & where))
391: continue;
392: if (pos)
393: buf[pos++] = ',';
394: else
395: pos += strlcpy(buf+pos, str, len-pos);
396: if (pos < len)
397: pos += strlcpy(buf+pos, words[j].name, len-pos);
398: /* Level 1 is implied by the name alone. */
399: if (levels[j] != 1 && pos < len)
400: buf[pos++] = '0' + levels[j];
401: }
402:
403: buf[pos] = '\0';
404:
405: return buf;
406: }
407:
408: static void parse_output_words(struct output_struct *words, short *levels,
409: const char *str, uchar priority)
410: {
411: const char *s;
412: int j, len, lev;
413:
414: for ( ; str; str = s) {
415: if ((s = strchr(str, ',')) != NULL)
416: len = s++ - str;
417: else
418: len = strlen(str);
419: if (!len)
420: continue;
421: if (!isDigit(str)) {
422: while (len && isDigit(str+len-1))
423: len--;
424: }
425: lev = isDigit(str+len) ? atoi(str+len) : 1;
426: if (lev > MAX_OUT_LEVEL)
427: lev = MAX_OUT_LEVEL;
428: if (len == 4 && strncasecmp(str, "help", 4) == 0) {
429: output_item_help(words);
430: exit_cleanup(0);
431: }
432: if (len == 4 && strncasecmp(str, "none", 4) == 0)
433: len = lev = 0;
434: else if (len == 3 && strncasecmp(str, "all", 3) == 0)
435: len = 0;
436: for (j = 0; words[j].name; j++) {
437: if (!len
438: || (len == words[j].namelen && strncasecmp(str, words[j].name, len) == 0)) {
439: if (priority >= words[j].priority) {
440: words[j].priority = priority;
441: levels[j] = lev;
442: }
443: if (len)
444: break;
445: }
446: }
447: if (len && !words[j].name) {
448: rprintf(FERROR, "Unknown %s item: \"%.*s\"\n",
449: words[j].help, len, str);
450: exit_cleanup(RERR_SYNTAX);
451: }
452: }
453: }
454:
455: /* Tell the user what all the info or debug flags mean. */
456: static void output_item_help(struct output_struct *words)
457: {
458: short *levels = words == info_words ? info_levels : debug_levels;
459: const char **verbosity = words == info_words ? info_verbosity : debug_verbosity;
460: char buf[128], *opt, *fmt = "%-10s %s\n";
461: int j;
462:
463: reset_output_levels();
464:
465: rprintf(FINFO, "Use OPT or OPT1 for level 1 output, OPT2 for level 2, etc.; OPT0 silences.\n");
466: rprintf(FINFO, "\n");
467: for (j = 0; words[j].name; j++)
468: rprintf(FINFO, fmt, words[j].name, words[j].help);
469: rprintf(FINFO, "\n");
470:
471: snprintf(buf, sizeof buf, "Set all %s options (e.g. all%d)",
472: words[j].help, MAX_OUT_LEVEL);
473: rprintf(FINFO, fmt, "ALL", buf);
474:
475: snprintf(buf, sizeof buf, "Silence all %s options (same as all0)",
476: words[j].help);
477: rprintf(FINFO, fmt, "NONE", buf);
478:
479: rprintf(FINFO, fmt, "HELP", "Output this help message");
480: rprintf(FINFO, "\n");
481: rprintf(FINFO, "Options added for each increase in verbose level:\n");
482:
483: for (j = 1; j <= MAX_VERBOSITY; j++) {
484: parse_output_words(words, levels, verbosity[j], HELP_PRIORITY);
485: opt = make_output_option(words, levels, W_CLI|W_SRV|W_SND|W_REC);
486: if (opt) {
487: rprintf(FINFO, "%d) %s\n", j, strchr(opt, '=')+1);
488: free(opt);
489: }
490: reset_output_levels();
491: }
492: }
493:
494: /* The --verbose option now sets info+debug flags. */
495: static void set_output_verbosity(int level, uchar priority)
496: {
497: int j;
498:
499: if (level > MAX_VERBOSITY)
500: level = MAX_VERBOSITY;
501:
502: for (j = 1; j <= level; j++) {
503: parse_output_words(info_words, info_levels, info_verbosity[j], priority);
504: parse_output_words(debug_words, debug_levels, debug_verbosity[j], priority);
505: }
506: }
507:
508: /* Limit the info+debug flag levels given a verbose-option level limit. */
509: void limit_output_verbosity(int level)
510: {
511: short info_limits[COUNT_INFO], debug_limits[COUNT_DEBUG];
512: int j;
513:
514: if (level > MAX_VERBOSITY)
515: return;
516:
517: memset(info_limits, 0, sizeof info_limits);
518: memset(debug_limits, 0, sizeof debug_limits);
519:
520: /* Compute the level limits in the above arrays. */
521: for (j = 1; j <= level; j++) {
522: parse_output_words(info_words, info_limits, info_verbosity[j], LIMIT_PRIORITY);
523: parse_output_words(debug_words, debug_limits, debug_verbosity[j], LIMIT_PRIORITY);
524: }
525:
526: for (j = 0; j < COUNT_INFO; j++) {
527: if (info_levels[j] > info_limits[j])
528: info_levels[j] = info_limits[j];
529: }
530:
531: for (j = 0; j < COUNT_DEBUG; j++) {
532: if (debug_levels[j] > debug_limits[j])
533: debug_levels[j] = debug_limits[j];
534: }
535: }
536:
537: void reset_output_levels(void)
538: {
539: int j;
540:
541: memset(info_levels, 0, sizeof info_levels);
542: memset(debug_levels, 0, sizeof debug_levels);
543:
544: for (j = 0; j < COUNT_INFO; j++)
545: info_words[j].priority = DEFAULT_PRIORITY;
546:
547: for (j = 0; j < COUNT_DEBUG; j++)
548: debug_words[j].priority = DEFAULT_PRIORITY;
549: }
550:
551: void negate_output_levels(void)
552: {
553: int j;
554:
555: for (j = 0; j < COUNT_INFO; j++)
556: info_levels[j] *= -1;
557:
558: for (j = 0; j < COUNT_DEBUG; j++)
559: debug_levels[j] *= -1;
560: }
561:
562: static void print_rsync_version(enum logcode f)
563: {
564: char *subprotocol = "";
565: char const *got_socketpair = "no ";
566: char const *have_inplace = "no ";
567: char const *hardlinks = "no ";
568: char const *prealloc = "no ";
569: char const *symtimes = "no ";
570: char const *acls = "no ";
571: char const *xattrs = "no ";
572: char const *links = "no ";
573: char const *iconv = "no ";
574: char const *ipv6 = "no ";
575: STRUCT_STAT *dumstat;
576:
577: #if SUBPROTOCOL_VERSION != 0
578: if (asprintf(&subprotocol, ".PR%d", SUBPROTOCOL_VERSION) < 0)
579: out_of_memory("print_rsync_version");
580: #endif
581: #ifdef HAVE_SOCKETPAIR
582: got_socketpair = "";
583: #endif
584: #ifdef HAVE_FTRUNCATE
585: have_inplace = "";
586: #endif
587: #ifdef SUPPORT_HARD_LINKS
588: hardlinks = "";
589: #endif
590: #ifdef SUPPORT_PREALLOCATION
591: prealloc = "";
592: #endif
593: #ifdef SUPPORT_ACLS
594: acls = "";
595: #endif
596: #ifdef SUPPORT_XATTRS
597: xattrs = "";
598: #endif
599: #ifdef SUPPORT_LINKS
600: links = "";
601: #endif
602: #ifdef INET6
603: ipv6 = "";
604: #endif
605: #ifdef ICONV_OPTION
606: iconv = "";
607: #endif
608: #ifdef CAN_SET_SYMLINK_TIMES
609: symtimes = "";
610: #endif
611:
612: rprintf(f, "%s version %s protocol version %d%s\n",
613: RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION, subprotocol);
614: rprintf(f, "Copyright (C) 1996-2015 by Andrew Tridgell, Wayne Davison, and others.\n");
615: rprintf(f, "Web site: http://rsync.samba.org/\n");
616: rprintf(f, "Capabilities:\n");
617: rprintf(f, " %d-bit files, %d-bit inums, %d-bit timestamps, %d-bit long ints,\n",
618: (int)(sizeof (OFF_T) * 8),
619: (int)(sizeof dumstat->st_ino * 8), /* Don't check ino_t! */
620: (int)(sizeof (time_t) * 8),
621: (int)(sizeof (int64) * 8));
622: rprintf(f, " %ssocketpairs, %shardlinks, %ssymlinks, %sIPv6, batchfiles, %sinplace,\n",
623: got_socketpair, hardlinks, links, ipv6, have_inplace);
624: rprintf(f, " %sappend, %sACLs, %sxattrs, %siconv, %ssymtimes, %sprealloc\n",
625: have_inplace, acls, xattrs, iconv, symtimes, prealloc);
626:
627: #ifdef MAINTAINER_MODE
628: rprintf(f, "Panic Action: \"%s\"\n", get_panic_action());
629: #endif
630:
631: #if SIZEOF_INT64 < 8
632: rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
633: #endif
634: if (sizeof (int64) != SIZEOF_INT64) {
635: rprintf(f,
636: "WARNING: size mismatch in SIZEOF_INT64 define (%d != %d)\n",
637: (int) SIZEOF_INT64, (int) sizeof (int64));
638: }
639:
640: rprintf(f,"\n");
641: rprintf(f,"rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n");
642: rprintf(f,"are welcome to redistribute it under certain conditions. See the GNU\n");
643: rprintf(f,"General Public Licence for details.\n");
644: }
645:
646:
647: void usage(enum logcode F)
648: {
649: print_rsync_version(F);
650:
651: rprintf(F,"\n");
652: rprintf(F,"rsync is a file transfer program capable of efficient remote update\n");
653: rprintf(F,"via a fast differencing algorithm.\n");
654:
655: rprintf(F,"\n");
656: rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... DEST\n");
657: rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
658: rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
659: rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
660: rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC [DEST]\n");
661: rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
662: rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
663: rprintf(F,"The ':' usages connect via remote shell, while '::' & 'rsync://' usages connect\n");
664: rprintf(F,"to an rsync daemon, and require SRC or DEST to start with a module name.\n");
665: rprintf(F,"\n");
666: rprintf(F,"Options\n");
667: rprintf(F," -v, --verbose increase verbosity\n");
668: rprintf(F," --info=FLAGS fine-grained informational verbosity\n");
669: rprintf(F," --debug=FLAGS fine-grained debug verbosity\n");
670: rprintf(F," --msgs2stderr special output handling for debugging\n");
671: rprintf(F," -q, --quiet suppress non-error messages\n");
672: rprintf(F," --no-motd suppress daemon-mode MOTD (see manpage caveat)\n");
673: rprintf(F," -c, --checksum skip based on checksum, not mod-time & size\n");
674: rprintf(F," -a, --archive archive mode; equals -rlptgoD (no -H,-A,-X)\n");
675: rprintf(F," --no-OPTION turn off an implied OPTION (e.g. --no-D)\n");
676: rprintf(F," -r, --recursive recurse into directories\n");
677: rprintf(F," -R, --relative use relative path names\n");
678: rprintf(F," --no-implied-dirs don't send implied dirs with --relative\n");
679: rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
680: rprintf(F," --backup-dir=DIR make backups into hierarchy based in DIR\n");
681: rprintf(F," --suffix=SUFFIX set backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
682: rprintf(F," -u, --update skip files that are newer on the receiver\n");
683: rprintf(F," --inplace update destination files in-place (SEE MAN PAGE)\n");
684: rprintf(F," --append append data onto shorter files\n");
685: rprintf(F," --append-verify like --append, but with old data in file checksum\n");
686: rprintf(F," -d, --dirs transfer directories without recursing\n");
687: rprintf(F," -l, --links copy symlinks as symlinks\n");
688: rprintf(F," -L, --copy-links transform symlink into referent file/dir\n");
689: rprintf(F," --copy-unsafe-links only \"unsafe\" symlinks are transformed\n");
690: rprintf(F," --safe-links ignore symlinks that point outside the source tree\n");
691: rprintf(F," --munge-links munge symlinks to make them safer (but unusable)\n");
692: rprintf(F," -k, --copy-dirlinks transform symlink to a dir into referent dir\n");
693: rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n");
694: rprintf(F," -H, --hard-links preserve hard links\n");
695: rprintf(F," -p, --perms preserve permissions\n");
696: rprintf(F," -E, --executability preserve the file's executability\n");
697: rprintf(F," --chmod=CHMOD affect file and/or directory permissions\n");
698: #ifdef SUPPORT_ACLS
699: rprintf(F," -A, --acls preserve ACLs (implies --perms)\n");
700: #endif
701: #ifdef SUPPORT_XATTRS
702: rprintf(F," -X, --xattrs preserve extended attributes\n");
703: #endif
704: rprintf(F," -o, --owner preserve owner (super-user only)\n");
705: rprintf(F," -g, --group preserve group\n");
706: rprintf(F," --devices preserve device files (super-user only)\n");
707: rprintf(F," --specials preserve special files\n");
708: rprintf(F," -D same as --devices --specials\n");
709: rprintf(F," -t, --times preserve modification times\n");
710: rprintf(F," -O, --omit-dir-times omit directories from --times\n");
711: rprintf(F," -J, --omit-link-times omit symlinks from --times\n");
712: rprintf(F," --super receiver attempts super-user activities\n");
713: #ifdef SUPPORT_XATTRS
714: rprintf(F," --fake-super store/recover privileged attrs using xattrs\n");
715: #endif
716: rprintf(F," -S, --sparse handle sparse files efficiently\n");
717: #ifdef SUPPORT_PREALLOCATION
718: rprintf(F," --preallocate allocate dest files before writing them\n");
719: #else
720: rprintf(F," --preallocate pre-allocate dest files on remote receiver\n");
721: #endif
722: rprintf(F," -n, --dry-run perform a trial run with no changes made\n");
723: rprintf(F," -W, --whole-file copy files whole (without delta-xfer algorithm)\n");
724: rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
725: rprintf(F," -B, --block-size=SIZE force a fixed checksum block-size\n");
726: rprintf(F," -e, --rsh=COMMAND specify the remote shell to use\n");
727: rprintf(F," --rsync-path=PROGRAM specify the rsync to run on the remote machine\n");
728: rprintf(F," --existing skip creating new files on receiver\n");
729: rprintf(F," --ignore-existing skip updating files that already exist on receiver\n");
730: rprintf(F," --remove-source-files sender removes synchronized files (non-dirs)\n");
731: rprintf(F," --del an alias for --delete-during\n");
732: rprintf(F," --delete delete extraneous files from destination dirs\n");
733: rprintf(F," --delete-before receiver deletes before transfer, not during\n");
734: rprintf(F," --delete-during receiver deletes during the transfer\n");
735: rprintf(F," --delete-delay find deletions during, delete after\n");
736: rprintf(F," --delete-after receiver deletes after transfer, not during\n");
737: rprintf(F," --delete-excluded also delete excluded files from destination dirs\n");
738: rprintf(F," --ignore-missing-args ignore missing source args without error\n");
739: rprintf(F," --delete-missing-args delete missing source args from destination\n");
740: rprintf(F," --ignore-errors delete even if there are I/O errors\n");
741: rprintf(F," --force force deletion of directories even if not empty\n");
742: rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
743: rprintf(F," --max-size=SIZE don't transfer any file larger than SIZE\n");
744: rprintf(F," --min-size=SIZE don't transfer any file smaller than SIZE\n");
745: rprintf(F," --partial keep partially transferred files\n");
746: rprintf(F," --partial-dir=DIR put a partially transferred file into DIR\n");
747: rprintf(F," --delay-updates put all updated files into place at transfer's end\n");
748: rprintf(F," -m, --prune-empty-dirs prune empty directory chains from the file-list\n");
749: rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
750: rprintf(F," --usermap=STRING custom username mapping\n");
751: rprintf(F," --groupmap=STRING custom groupname mapping\n");
752: rprintf(F," --chown=USER:GROUP simple username/groupname mapping\n");
753: rprintf(F," --timeout=SECONDS set I/O timeout in seconds\n");
754: rprintf(F," --contimeout=SECONDS set daemon connection timeout in seconds\n");
755: rprintf(F," -I, --ignore-times don't skip files that match in size and mod-time\n");
756: rprintf(F," -M, --remote-option=OPTION send OPTION to the remote side only\n");
757: rprintf(F," --size-only skip files that match in size\n");
758: rprintf(F," --modify-window=NUM compare mod-times with reduced accuracy\n");
759: rprintf(F," -T, --temp-dir=DIR create temporary files in directory DIR\n");
760: rprintf(F," -y, --fuzzy find similar file for basis if no dest file\n");
761: rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
762: rprintf(F," --copy-dest=DIR ... and include copies of unchanged files\n");
763: rprintf(F," --link-dest=DIR hardlink to files in DIR when unchanged\n");
764: rprintf(F," -z, --compress compress file data during the transfer\n");
765: rprintf(F," --compress-level=NUM explicitly set compression level\n");
766: rprintf(F," --skip-compress=LIST skip compressing files with a suffix in LIST\n");
767: rprintf(F," -C, --cvs-exclude auto-ignore files the same way CVS does\n");
768: rprintf(F," -f, --filter=RULE add a file-filtering RULE\n");
769: rprintf(F," -F same as --filter='dir-merge /.rsync-filter'\n");
770: rprintf(F," repeated: --filter='- .rsync-filter'\n");
771: rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
772: rprintf(F," --exclude-from=FILE read exclude patterns from FILE\n");
773: rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
774: rprintf(F," --include-from=FILE read include patterns from FILE\n");
775: rprintf(F," --files-from=FILE read list of source-file names from FILE\n");
776: rprintf(F," -0, --from0 all *-from/filter files are delimited by 0s\n");
777: rprintf(F," -s, --protect-args no space-splitting; only wildcard special-chars\n");
778: rprintf(F," --address=ADDRESS bind address for outgoing socket to daemon\n");
779: rprintf(F," --port=PORT specify double-colon alternate port number\n");
780: rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
781: rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
782: rprintf(F," --stats give some file-transfer stats\n");
783: rprintf(F," -8, --8-bit-output leave high-bit chars unescaped in output\n");
784: rprintf(F," -h, --human-readable output numbers in a human-readable format\n");
785: rprintf(F," --progress show progress during transfer\n");
786: rprintf(F," -P same as --partial --progress\n");
787: rprintf(F," -i, --itemize-changes output a change-summary for all updates\n");
788: rprintf(F," --out-format=FORMAT output updates using the specified FORMAT\n");
789: rprintf(F," --log-file=FILE log what we're doing to the specified FILE\n");
790: rprintf(F," --log-file-format=FMT log updates using the specified FMT\n");
791: rprintf(F," --password-file=FILE read daemon-access password from FILE\n");
792: rprintf(F," --list-only list the files instead of copying them\n");
793: rprintf(F," --bwlimit=RATE limit socket I/O bandwidth\n");
794: #ifdef HAVE_SETVBUF
795: rprintf(F," --outbuf=N|L|B set output buffering to None, Line, or Block\n");
796: #endif
797: rprintf(F," --write-batch=FILE write a batched update to FILE\n");
798: rprintf(F," --only-write-batch=FILE like --write-batch but w/o updating destination\n");
799: rprintf(F," --read-batch=FILE read a batched update from FILE\n");
800: rprintf(F," --protocol=NUM force an older protocol version to be used\n");
801: #ifdef ICONV_OPTION
802: rprintf(F," --iconv=CONVERT_SPEC request charset conversion of filenames\n");
803: #endif
804: rprintf(F," --checksum-seed=NUM set block/file checksum seed (advanced)\n");
805: rprintf(F," -4, --ipv4 prefer IPv4\n");
806: rprintf(F," -6, --ipv6 prefer IPv6\n");
807: rprintf(F," --version print version number\n");
808: rprintf(F,"(-h) --help show this help (-h is --help only if used alone)\n");
809:
810: rprintf(F,"\n");
811: rprintf(F,"Use \"rsync --daemon --help\" to see the daemon-mode command-line options.\n");
812: rprintf(F,"Please see the rsync(1) and rsyncd.conf(5) man pages for full documentation.\n");
813: rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
814: }
815:
816: enum {OPT_VERSION = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
817: OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP,
818: OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD,
819: OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
820: OPT_NO_D, OPT_APPEND, OPT_NO_ICONV, OPT_INFO, OPT_DEBUG,
821: OPT_USERMAP, OPT_GROUPMAP, OPT_CHOWN, OPT_BWLIMIT,
822: OPT_SERVER, OPT_REFUSED_BASE = 9000};
823:
824: static struct poptOption long_options[] = {
825: /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
826: {"help", 0, POPT_ARG_NONE, 0, OPT_HELP, 0, 0 },
827: {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
828: {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
829: {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
830: {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
831: {"info", 0, POPT_ARG_STRING, 0, OPT_INFO, 0, 0 },
832: {"debug", 0, POPT_ARG_STRING, 0, OPT_DEBUG, 0, 0 },
833: {"msgs2stderr", 0, POPT_ARG_NONE, &msgs2stderr, 0, 0, 0 },
834: {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
835: {"motd", 0, POPT_ARG_VAL, &output_motd, 1, 0, 0 },
836: {"no-motd", 0, POPT_ARG_VAL, &output_motd, 0, 0, 0 },
837: {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
838: {"human-readable", 'h', POPT_ARG_NONE, 0, 'h', 0, 0},
839: {"no-human-readable",0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
840: {"no-h", 0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
841: {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
842: {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
843: {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 },
844: {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
845: {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
846: {"inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
847: {"no-inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
848: {"i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
849: {"no-i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
850: {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
851: {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
852: {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
853: {"old-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
854: {"old-d", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
855: {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
856: {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
857: {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
858: {"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 },
859: {"acls", 'A', POPT_ARG_NONE, 0, 'A', 0, 0 },
860: {"no-acls", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
861: {"no-A", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
862: {"xattrs", 'X', POPT_ARG_NONE, 0, 'X', 0, 0 },
863: {"no-xattrs", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
864: {"no-X", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
865: {"times", 't', POPT_ARG_VAL, &preserve_times, 1, 0, 0 },
866: {"no-times", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
867: {"no-t", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
868: {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 1, 0, 0 },
869: {"no-omit-dir-times",0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
870: {"no-O", 0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
871: {"omit-link-times", 'J', POPT_ARG_VAL, &omit_link_times, 1, 0, 0 },
872: {"no-omit-link-times",0, POPT_ARG_VAL, &omit_link_times, 0, 0, 0 },
873: {"no-J", 0, POPT_ARG_VAL, &omit_link_times, 0, 0, 0 },
874: {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
875: {"super", 0, POPT_ARG_VAL, &am_root, 2, 0, 0 },
876: {"no-super", 0, POPT_ARG_VAL, &am_root, 0, 0, 0 },
877: {"fake-super", 0, POPT_ARG_VAL, &am_root, -1, 0, 0 },
878: {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 },
879: {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
880: {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
881: {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 },
882: {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
883: {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
884: {0, 'D', POPT_ARG_NONE, 0, 'D', 0, 0 },
885: {"no-D", 0, POPT_ARG_NONE, 0, OPT_NO_D, 0, 0 },
886: {"devices", 0, POPT_ARG_VAL, &preserve_devices, 1, 0, 0 },
887: {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
888: {"specials", 0, POPT_ARG_VAL, &preserve_specials, 1, 0, 0 },
889: {"no-specials", 0, POPT_ARG_VAL, &preserve_specials, 0, 0, 0 },
890: {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 },
891: {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
892: {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
893: {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 },
894: {"copy-unsafe-links",0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 },
895: {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
896: {"munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 1, 0, 0 },
897: {"no-munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 0, 0, 0 },
898: {"copy-dirlinks", 'k', POPT_ARG_NONE, ©_dirlinks, 0, 0, 0 },
899: {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
900: {"hard-links", 'H', POPT_ARG_NONE, 0, 'H', 0, 0 },
901: {"no-hard-links", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
902: {"no-H", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
903: {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
904: {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
905: {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
906: {"implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
907: {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
908: {"i-d", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
909: {"no-i-d", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
910: {"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 },
911: {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
912: {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
913: {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 },
914: {"no-one-file-system",0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
915: {"no-x", 0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
916: {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
917: {"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
918: {"ignore-non-existing",0,POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
919: {"ignore-existing", 0, POPT_ARG_NONE, &ignore_existing, 0, 0, 0 },
920: {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
921: {"min-size", 0, POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 },
922: {"sparse", 'S', POPT_ARG_VAL, &sparse_files, 1, 0, 0 },
923: {"no-sparse", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
924: {"no-S", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
925: {"preallocate", 0, POPT_ARG_NONE, &preallocate_files, 0, 0, 0},
926: {"inplace", 0, POPT_ARG_VAL, &inplace, 1, 0, 0 },
927: {"no-inplace", 0, POPT_ARG_VAL, &inplace, 0, 0, 0 },
928: {"append", 0, POPT_ARG_NONE, 0, OPT_APPEND, 0, 0 },
929: {"append-verify", 0, POPT_ARG_VAL, &append_mode, 2, 0, 0 },
930: {"no-append", 0, POPT_ARG_VAL, &append_mode, 0, 0, 0 },
931: {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
932: {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
933: {"delete-before", 0, POPT_ARG_NONE, &delete_before, 0, 0, 0 },
934: {"delete-during", 0, POPT_ARG_VAL, &delete_during, 1, 0, 0 },
935: {"delete-delay", 0, POPT_ARG_VAL, &delete_during, 2, 0, 0 },
936: {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
937: {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
938: {"delete-missing-args",0,POPT_BIT_SET, &missing_args, 2, 0, 0 },
939: {"ignore-missing-args",0,POPT_BIT_SET, &missing_args, 1, 0, 0 },
940: {"remove-sent-files",0, POPT_ARG_VAL, &remove_source_files, 2, 0, 0 }, /* deprecated */
941: {"remove-source-files",0,POPT_ARG_VAL, &remove_source_files, 1, 0, 0 },
942: {"force", 0, POPT_ARG_VAL, &force_delete, 1, 0, 0 },
943: {"no-force", 0, POPT_ARG_VAL, &force_delete, 0, 0, 0 },
944: {"ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 1, 0, 0 },
945: {"no-ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 0, 0, 0 },
946: {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
947: {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
948: {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
949: {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
950: {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
951: {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
952: {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
953: {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
954: {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
955: {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
956: {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
957: {"checksum", 'c', POPT_ARG_VAL, &always_checksum, 1, 0, 0 },
958: {"no-checksum", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
959: {"no-c", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
960: {"block-size", 'B', POPT_ARG_LONG, &block_size, 0, 0, 0 },
961: {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
962: {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
963: {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
964: {"fuzzy", 'y', POPT_ARG_NONE, 0, 'y', 0, 0 },
965: {"no-fuzzy", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
966: {"no-y", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
967: {"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 },
968: {"old-compress", 0, POPT_ARG_VAL, &do_compression, 1, 0, 0 },
969: {"new-compress", 0, POPT_ARG_VAL, &do_compression, 2, 0, 0 },
970: {"no-compress", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 },
971: {"no-z", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 },
972: {"skip-compress", 0, POPT_ARG_STRING, &skip_compress, 0, 0, 0 },
973: {"compress-level", 0, POPT_ARG_INT, &def_compress_level, 0, 0, 0 },
974: {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
975: {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 },
976: {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 },
977: {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 },
978: {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 },
979: {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
980: {"delay-updates", 0, POPT_ARG_VAL, &delay_updates, 1, 0, 0 },
981: {"no-delay-updates", 0, POPT_ARG_VAL, &delay_updates, 0, 0, 0 },
982: {"prune-empty-dirs",'m', POPT_ARG_VAL, &prune_empty_dirs, 1, 0, 0 },
983: {"no-prune-empty-dirs",0,POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
984: {"no-m", 0, POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
985: {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
986: {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
987: {"out-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 },
988: {"log-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 }, /* DEPRECATED */
989: {"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 },
990: {"no-itemize-changes",0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
991: {"no-i", 0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
992: {"bwlimit", 0, POPT_ARG_STRING, &bwlimit_arg, OPT_BWLIMIT, 0, 0 },
993: {"no-bwlimit", 0, POPT_ARG_VAL, &bwlimit, 0, 0, 0 },
994: {"backup", 'b', POPT_ARG_VAL, &make_backups, 1, 0, 0 },
995: {"no-backup", 0, POPT_ARG_VAL, &make_backups, 0, 0, 0 },
996: {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
997: {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
998: {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
999: {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
1000: {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
1001: {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
1002: {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
1003: {"from0", '0', POPT_ARG_VAL, &eol_nulls, 1, 0, 0},
1004: {"no-from0", 0, POPT_ARG_VAL, &eol_nulls, 0, 0, 0},
1005: {"protect-args", 's', POPT_ARG_VAL, &protect_args, 1, 0, 0},
1006: {"no-protect-args", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
1007: {"no-s", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
1008: {"numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 1, 0, 0 },
1009: {"no-numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 0, 0, 0 },
1010: {"usermap", 0, POPT_ARG_STRING, 0, OPT_USERMAP, 0, 0 },
1011: {"groupmap", 0, POPT_ARG_STRING, 0, OPT_GROUPMAP, 0, 0 },
1012: {"chown", 0, POPT_ARG_STRING, 0, OPT_CHOWN, 0, 0 },
1013: {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
1014: {"no-timeout", 0, POPT_ARG_VAL, &io_timeout, 0, 0, 0 },
1015: {"contimeout", 0, POPT_ARG_INT, &connect_timeout, 0, 0, 0 },
1016: {"no-contimeout", 0, POPT_ARG_VAL, &connect_timeout, 0, 0, 0 },
1017: {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
1018: {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
1019: {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
1020: #ifdef ICONV_OPTION
1021: {"iconv", 0, POPT_ARG_STRING, &iconv_opt, 0, 0, 0 },
1022: {"no-iconv", 0, POPT_ARG_NONE, 0, OPT_NO_ICONV, 0, 0 },
1023: #endif
1024: {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
1025: {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
1026: {"8-bit-output", '8', POPT_ARG_VAL, &allow_8bit_chars, 1, 0, 0 },
1027: {"no-8-bit-output", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
1028: {"no-8", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
1029: {"qsort", 0, POPT_ARG_NONE, &use_qsort, 0, 0, 0 },
1030: {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
1031: {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
1032: {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
1033: {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
1034: {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
1035: {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
1036: #ifdef HAVE_SETVBUF
1037: {"outbuf", 0, POPT_ARG_STRING, &outbuf_mode, 0, 0, 0 },
1038: #endif
1039: {"remote-option", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
1040: {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
1041: {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
1042: {"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 },
1043: {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
1044: /* All the following options switch us into daemon-mode option-parsing. */
1045: {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
1046: {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
1047: {"dparam", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
1048: {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
1049: {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
1050: {0,0,0,0, 0, 0, 0}
1051: };
1052:
1053: static void daemon_usage(enum logcode F)
1054: {
1055: print_rsync_version(F);
1056:
1057: rprintf(F,"\n");
1058: rprintf(F,"Usage: rsync --daemon [OPTION]...\n");
1059: rprintf(F," --address=ADDRESS bind to the specified address\n");
1060: rprintf(F," --bwlimit=RATE limit socket I/O bandwidth\n");
1061: rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
1062: rprintf(F," -M, --dparam=OVERRIDE override global daemon config parameter\n");
1063: rprintf(F," --no-detach do not detach from the parent\n");
1064: rprintf(F," --port=PORT listen on alternate port number\n");
1065: rprintf(F," --log-file=FILE override the \"log file\" setting\n");
1066: rprintf(F," --log-file-format=FMT override the \"log format\" setting\n");
1067: rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
1068: rprintf(F," -v, --verbose increase verbosity\n");
1069: rprintf(F," -4, --ipv4 prefer IPv4\n");
1070: rprintf(F," -6, --ipv6 prefer IPv6\n");
1071: rprintf(F," --help show this help screen\n");
1072:
1073: rprintf(F,"\n");
1074: rprintf(F,"If you were not trying to invoke rsync as a daemon, avoid using any of the\n");
1075: rprintf(F,"daemon-specific rsync options. See also the rsyncd.conf(5) man page.\n");
1076: }
1077:
1078: static struct poptOption long_daemon_options[] = {
1079: /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
1080: {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
1081: {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
1082: {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
1083: {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
1084: {"dparam", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
1085: {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
1086: {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
1087: {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
1088: {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
1089: {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
1090: {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
1091: {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
1092: {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
1093: {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
1094: {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
1095: {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
1096: {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
1097: {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
1098: {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
1099: {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
1100: {0,0,0,0, 0, 0, 0}
1101: };
1102:
1103:
1104: static char err_buf[200];
1105:
1106:
1107: /**
1108: * Store the option error message, if any, so that we can log the
1109: * connection attempt (which requires parsing the options), and then
1110: * show the error later on.
1111: **/
1112: void option_error(void)
1113: {
1114: if (!err_buf[0]) {
1115: strlcpy(err_buf, "Error parsing options: option may "
1116: "be supported on client but not on server?\n",
1117: sizeof err_buf);
1118: }
1119:
1120: rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
1121: msleep(20);
1122: }
1123:
1124:
1125: /**
1126: * Tweak the option table to disable all options that the rsyncd.conf
1127: * file has told us to refuse.
1128: **/
1129: static void set_refuse_options(char *bp)
1130: {
1131: struct poptOption *op;
1132: char *cp, shortname[2];
1133: int is_wild, found_match;
1134:
1135: shortname[1] = '\0';
1136:
1137: while (1) {
1138: while (*bp == ' ') bp++;
1139: if (!*bp)
1140: break;
1141: if ((cp = strchr(bp, ' ')) != NULL)
1142: *cp= '\0';
1143: is_wild = strpbrk(bp, "*?[") != NULL;
1144: found_match = 0;
1145: for (op = long_options; ; op++) {
1146: *shortname = op->shortName;
1147: if (!op->longName && !*shortname)
1148: break;
1149: if ((op->longName && wildmatch(bp, op->longName))
1150: || (*shortname && wildmatch(bp, shortname))) {
1151: if (op->argInfo == POPT_ARG_VAL)
1152: op->argInfo = POPT_ARG_NONE;
1153: op->val = (op - long_options) + OPT_REFUSED_BASE;
1154: found_match = 1;
1155: /* These flags are set to let us easily check
1156: * an implied option later in the code. */
1157: switch (*shortname) {
1158: case 'r': case 'd': case 'l': case 'p':
1159: case 't': case 'g': case 'o': case 'D':
1160: refused_archive_part = op->val;
1161: break;
1162: case 'z':
1163: refused_compress = op->val;
1164: break;
1165: case '\0':
1166: if (wildmatch("delete", op->longName))
1167: refused_delete = op->val;
1168: else if (wildmatch("delete-before", op->longName))
1169: refused_delete_before = op->val;
1170: else if (wildmatch("delete-during", op->longName))
1171: refused_delete_during = op->val;
1172: else if (wildmatch("partial", op->longName))
1173: refused_partial = op->val;
1174: else if (wildmatch("progress", op->longName))
1175: refused_progress = op->val;
1176: else if (wildmatch("inplace", op->longName))
1177: refused_inplace = op->val;
1178: else if (wildmatch("no-iconv", op->longName))
1179: refused_no_iconv = op->val;
1180: break;
1181: }
1182: if (!is_wild)
1183: break;
1184: }
1185: }
1186: if (!found_match) {
1187: rprintf(FLOG, "No match for refuse-options string \"%s\"\n",
1188: bp);
1189: }
1190: if (!cp)
1191: break;
1192: *cp = ' ';
1193: bp = cp + 1;
1194: }
1195: }
1196:
1197:
1198: static int count_args(const char **argv)
1199: {
1200: int i = 0;
1201:
1202: if (argv) {
1203: while (argv[i] != NULL)
1204: i++;
1205: }
1206:
1207: return i;
1208: }
1209:
1210:
1211: static OFF_T parse_size_arg(char **size_arg, char def_suf)
1212: {
1213: int reps, mult, make_compatible = 0;
1214: const char *arg;
1215: OFF_T size = 1;
1216:
1217: for (arg = *size_arg; isDigit(arg); arg++) {}
1218: if (*arg == '.')
1219: for (arg++; isDigit(arg); arg++) {}
1220: switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) {
1221: case 'b': case 'B':
1222: reps = 0;
1223: break;
1224: case 'k': case 'K':
1225: reps = 1;
1226: break;
1227: case 'm': case 'M':
1228: reps = 2;
1229: break;
1230: case 'g': case 'G':
1231: reps = 3;
1232: break;
1233: default:
1234: return -1;
1235: }
1236: if (*arg == 'b' || *arg == 'B')
1237: mult = 1000, make_compatible = 1, arg++;
1238: else if (!*arg || *arg == '+' || *arg == '-')
1239: mult = 1024;
1240: else if (strncasecmp(arg, "ib", 2) == 0)
1241: mult = 1024, arg += 2;
1242: else
1243: return -1;
1244: while (reps--)
1245: size *= mult;
1246: size *= atof(*size_arg);
1247: if ((*arg == '+' || *arg == '-') && arg[1] == '1')
1248: size += atoi(arg), make_compatible = 1, arg += 2;
1249: if (*arg)
1250: return -1;
1251: if (size > 0 && make_compatible && def_suf == 'b') {
1252: /* We convert this manually because we may need %lld precision,
1253: * and that's not a portable sprintf() escape. */
1254: char buf[128], *s = buf + sizeof buf - 1;
1255: OFF_T num = size;
1256: *s = '\0';
1257: while (num) {
1258: *--s = (char)(num % 10) + '0';
1259: num /= 10;
1260: }
1261: if (!(*size_arg = strdup(s)))
1262: out_of_memory("parse_size_arg");
1263: }
1264: return size;
1265: }
1266:
1267:
1268: static void create_refuse_error(int which)
1269: {
1270: /* The "which" value is the index + OPT_REFUSED_BASE. */
1271: struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
1272: int n = snprintf(err_buf, sizeof err_buf,
1273: "The server is configured to refuse --%s\n",
1274: op->longName) - 1;
1275: if (op->shortName) {
1276: snprintf(err_buf + n, sizeof err_buf - n,
1277: " (-%c)\n", op->shortName);
1278: }
1279: }
1280:
1281:
1282: /**
1283: * Process command line arguments. Called on both local and remote.
1284: *
1285: * @retval 1 if all options are OK; with globals set to appropriate
1286: * values
1287: *
1288: * @retval 0 on error, with err_buf containing an explanation
1289: **/
1290: int parse_arguments(int *argc_p, const char ***argv_p)
1291: {
1292: static poptContext pc;
1293: char *ref = lp_refuse_options(module_id);
1294: const char *arg, **argv = *argv_p;
1295: int argc = *argc_p;
1296: int opt;
1297:
1298: if (ref && *ref)
1299: set_refuse_options(ref);
1300: if (am_daemon) {
1301: set_refuse_options("log-file*");
1302: #ifdef ICONV_OPTION
1303: if (!*lp_charset(module_id))
1304: set_refuse_options("iconv");
1305: #endif
1306: }
1307:
1308: #ifdef ICONV_OPTION
1309: if (!am_daemon && protect_args <= 0 && (arg = getenv("RSYNC_ICONV")) != NULL && *arg)
1310: iconv_opt = strdup(arg);
1311: #endif
1312:
1313: /* TODO: Call poptReadDefaultConfig; handle errors. */
1314:
1315: /* The context leaks in case of an error, but if there's a
1316: * problem we always exit anyhow. */
1317: if (pc)
1318: poptFreeContext(pc);
1319: pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
1320: if (!am_server)
1321: poptReadDefaultConfig(pc, 0);
1322:
1323: while ((opt = poptGetNextOpt(pc)) != -1) {
1324: /* most options are handled automatically by popt;
1325: * only special cases are returned and listed here. */
1326:
1327: switch (opt) {
1328: case OPT_VERSION:
1329: print_rsync_version(FINFO);
1330: exit_cleanup(0);
1331:
1332: case OPT_SERVER:
1333: if (!am_server) {
1334: /* Disable popt aliases on the server side and
1335: * then start parsing the options again. */
1336: poptFreeContext(pc);
1337: pc = poptGetContext(RSYNC_NAME, argc, argv,
1338: long_options, 0);
1339: am_server = 1;
1340: }
1341: #ifdef ICONV_OPTION
1342: iconv_opt = NULL;
1343: #endif
1344: break;
1345:
1346: case OPT_SENDER:
1347: if (!am_server) {
1348: usage(FERROR);
1349: exit_cleanup(RERR_SYNTAX);
1350: }
1351: am_sender = 1;
1352: break;
1353:
1354: case OPT_DAEMON:
1355: if (am_daemon) {
1356: strlcpy(err_buf,
1357: "Attempt to hack rsync thwarted!\n",
1358: sizeof err_buf);
1359: return 0;
1360: }
1361: #ifdef ICONV_OPTION
1362: iconv_opt = NULL;
1363: #endif
1364: protect_args = 0;
1365: poptFreeContext(pc);
1366: pc = poptGetContext(RSYNC_NAME, argc, argv,
1367: long_daemon_options, 0);
1368: while ((opt = poptGetNextOpt(pc)) != -1) {
1369: char **cpp;
1370: switch (opt) {
1371: case 'h':
1372: daemon_usage(FINFO);
1373: exit_cleanup(0);
1374:
1375: case 'M':
1376: arg = poptGetOptArg(pc);
1377: if (!strchr(arg, '=')) {
1378: rprintf(FERROR,
1379: "--dparam value is missing an '=': %s\n",
1380: arg);
1381: goto daemon_error;
1382: }
1383: cpp = EXPAND_ITEM_LIST(&dparam_list, char *, 4);
1384: *cpp = strdup(arg);
1385: break;
1386:
1387: case 'v':
1388: verbose++;
1389: break;
1390:
1391: default:
1392: rprintf(FERROR,
1393: "rsync: %s: %s (in daemon mode)\n",
1394: poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1395: poptStrerror(opt));
1396: goto daemon_error;
1397: }
1398: }
1399:
1400: if (dparam_list.count && !set_dparams(1))
1401: exit_cleanup(RERR_SYNTAX);
1402:
1403: if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
1404: snprintf(err_buf, sizeof err_buf,
1405: "the --temp-dir path is WAY too long.\n");
1406: return 0;
1407: }
1408:
1409: if (!daemon_opt) {
1410: rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
1411: daemon_error:
1412: rprintf(FERROR,
1413: "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
1414: exit_cleanup(RERR_SYNTAX);
1415: }
1416:
1417: *argv_p = argv = poptGetArgs(pc);
1418: *argc_p = argc = count_args(argv);
1419: am_starting_up = 0;
1420: daemon_opt = 0;
1421: am_daemon = 1;
1422: return 1;
1423:
1424: case OPT_MODIFY_WINDOW:
1425: /* The value has already been set by popt, but
1426: * we need to remember that we're using a
1427: * non-default setting. */
1428: modify_window_set = 1;
1429: break;
1430:
1431: case OPT_FILTER:
1432: parse_filter_str(&filter_list, poptGetOptArg(pc),
1433: rule_template(0), 0);
1434: break;
1435:
1436: case OPT_EXCLUDE:
1437: parse_filter_str(&filter_list, poptGetOptArg(pc),
1438: rule_template(0), XFLG_OLD_PREFIXES);
1439: break;
1440:
1441: case OPT_INCLUDE:
1442: parse_filter_str(&filter_list, poptGetOptArg(pc),
1443: rule_template(FILTRULE_INCLUDE), XFLG_OLD_PREFIXES);
1444: break;
1445:
1446: case OPT_EXCLUDE_FROM:
1447: case OPT_INCLUDE_FROM:
1448: arg = poptGetOptArg(pc);
1449: if (sanitize_paths)
1450: arg = sanitize_path(NULL, arg, NULL, 0, SP_DEFAULT);
1451: if (daemon_filter_list.head) {
1452: int rej;
1453: char *cp = strdup(arg);
1454: if (!cp)
1455: out_of_memory("parse_arguments");
1456: if (!*cp)
1457: rej = 1;
1458: else {
1459: char *dir = cp + (*cp == '/' ? module_dirlen : 0);
1460: clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1461: rej = check_filter(&daemon_filter_list, FLOG, dir, 0) < 0;
1462: }
1463: free(cp);
1464: if (rej)
1465: goto options_rejected;
1466: }
1467: parse_filter_file(&filter_list, arg,
1468: rule_template(opt == OPT_INCLUDE_FROM ? FILTRULE_INCLUDE : 0),
1469: XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
1470: break;
1471:
1472: case 'a':
1473: if (refused_archive_part) {
1474: create_refuse_error(refused_archive_part);
1475: return 0;
1476: }
1477: if (!recurse) /* preserve recurse == 2 */
1478: recurse = 1;
1479: #ifdef SUPPORT_LINKS
1480: preserve_links = 1;
1481: #endif
1482: preserve_perms = 1;
1483: preserve_times = 1;
1484: preserve_gid = 1;
1485: preserve_uid = 1;
1486: preserve_devices = 1;
1487: preserve_specials = 1;
1488: break;
1489:
1490: case 'D':
1491: preserve_devices = preserve_specials = 1;
1492: break;
1493:
1494: case OPT_NO_D:
1495: preserve_devices = preserve_specials = 0;
1496: break;
1497:
1498: case 'h':
1499: human_readable++;
1500: break;
1501:
1502: case 'H':
1503: preserve_hard_links++;
1504: break;
1505:
1506: case 'i':
1507: itemize_changes++;
1508: break;
1509:
1510: case 'v':
1511: verbose++;
1512: break;
1513:
1514: case 'y':
1515: fuzzy_basis++;
1516: break;
1517:
1518: case 'q':
1519: quiet++;
1520: break;
1521:
1522: case 'x':
1523: one_file_system++;
1524: break;
1525:
1526: case 'F':
1527: switch (++F_option_cnt) {
1528: case 1:
1529: parse_filter_str(&filter_list,": /.rsync-filter",rule_template(0),0);
1530: break;
1531: case 2:
1532: parse_filter_str(&filter_list,"- .rsync-filter",rule_template(0),0);
1533: break;
1534: }
1535: break;
1536:
1537: case 'P':
1538: if (refused_partial || refused_progress) {
1539: create_refuse_error(refused_partial
1540: ? refused_partial : refused_progress);
1541: return 0;
1542: }
1543: do_progress = 1;
1544: keep_partial = 1;
1545: break;
1546:
1547: case 'z':
1548: do_compression++;
1549: break;
1550:
1551: case 'M':
1552: arg = poptGetOptArg(pc);
1553: if (*arg != '-') {
1554: snprintf(err_buf, sizeof err_buf,
1555: "Remote option must start with a dash: %s\n", arg);
1556: return 0;
1557: }
1558: if (remote_option_cnt+2 >= remote_option_alloc) {
1559: remote_option_alloc += 16;
1560: remote_options = realloc_array(remote_options,
1561: const char *, remote_option_alloc);
1562: if (!remote_options)
1563: out_of_memory("parse_arguments");
1564: if (!remote_option_cnt)
1565: remote_options[0] = "ARG0";
1566: }
1567: remote_options[++remote_option_cnt] = arg;
1568: remote_options[remote_option_cnt+1] = NULL;
1569: break;
1570:
1571: case OPT_WRITE_BATCH:
1572: /* batch_name is already set */
1573: write_batch = 1;
1574: break;
1575:
1576: case OPT_ONLY_WRITE_BATCH:
1577: /* batch_name is already set */
1578: write_batch = -1;
1579: break;
1580:
1581: case OPT_READ_BATCH:
1582: /* batch_name is already set */
1583: read_batch = 1;
1584: break;
1585:
1586: case OPT_NO_ICONV:
1587: #ifdef ICONV_OPTION
1588: iconv_opt = NULL;
1589: #endif
1590: break;
1591:
1592: case OPT_MAX_SIZE:
1593: if ((max_size = parse_size_arg(&max_size_arg, 'b')) < 0) {
1594: snprintf(err_buf, sizeof err_buf,
1595: "--max-size value is invalid: %s\n",
1596: max_size_arg);
1597: return 0;
1598: }
1599: break;
1600:
1601: case OPT_MIN_SIZE:
1602: if ((min_size = parse_size_arg(&min_size_arg, 'b')) < 0) {
1603: snprintf(err_buf, sizeof err_buf,
1604: "--min-size value is invalid: %s\n",
1605: min_size_arg);
1606: return 0;
1607: }
1608: break;
1609:
1610: case OPT_BWLIMIT:
1611: {
1612: OFF_T limit = parse_size_arg(&bwlimit_arg, 'K');
1613: if (limit < 0) {
1614: snprintf(err_buf, sizeof err_buf,
1615: "--bwlimit value is invalid: %s\n", bwlimit_arg);
1616: return 0;
1617: }
1618: bwlimit = (limit + 512) / 1024;
1619: if (limit && !bwlimit) {
1620: snprintf(err_buf, sizeof err_buf,
1621: "--bwlimit value is too small: %s\n", bwlimit_arg);
1622: return 0;
1623: }
1624: }
1625: break;
1626:
1627: case OPT_APPEND:
1628: if (am_server)
1629: append_mode++;
1630: else
1631: append_mode = 1;
1632: break;
1633:
1634: case OPT_LINK_DEST:
1635: #ifdef SUPPORT_HARD_LINKS
1636: link_dest = 1;
1637: dest_option = "--link-dest";
1638: goto set_dest_dir;
1639: #else
1640: snprintf(err_buf, sizeof err_buf,
1641: "hard links are not supported on this %s\n",
1642: am_server ? "server" : "client");
1643: return 0;
1644: #endif
1645:
1646: case OPT_COPY_DEST:
1647: copy_dest = 1;
1648: dest_option = "--copy-dest";
1649: goto set_dest_dir;
1650:
1651: case OPT_COMPARE_DEST:
1652: compare_dest = 1;
1653: dest_option = "--compare-dest";
1654: set_dest_dir:
1655: if (basis_dir_cnt >= MAX_BASIS_DIRS) {
1656: snprintf(err_buf, sizeof err_buf,
1657: "ERROR: at most %d %s args may be specified\n",
1658: MAX_BASIS_DIRS, dest_option);
1659: return 0;
1660: }
1661: /* We defer sanitizing this arg until we know what
1662: * our destination directory is going to be. */
1663: basis_dir[basis_dir_cnt++] = (char *)poptGetOptArg(pc);
1664: break;
1665:
1666: case OPT_CHMOD:
1667: arg = poptGetOptArg(pc);
1668: if (!parse_chmod(arg, &chmod_modes)) {
1669: snprintf(err_buf, sizeof err_buf,
1670: "Invalid argument passed to --chmod (%s)\n",
1671: arg);
1672: return 0;
1673: }
1674: break;
1675:
1676: case OPT_INFO:
1677: arg = poptGetOptArg(pc);
1678: parse_output_words(info_words, info_levels, arg, USER_PRIORITY);
1679: break;
1680:
1681: case OPT_DEBUG:
1682: arg = poptGetOptArg(pc);
1683: parse_output_words(debug_words, debug_levels, arg, USER_PRIORITY);
1684: break;
1685:
1686: case OPT_USERMAP:
1687: if (usermap) {
1688: if (usermap_via_chown) {
1689: snprintf(err_buf, sizeof err_buf,
1690: "--usermap conflicts with prior --chown.\n");
1691: return 0;
1692: }
1693: snprintf(err_buf, sizeof err_buf,
1694: "You can only specify --usermap once.\n");
1695: return 0;
1696: }
1697: usermap = (char *)poptGetOptArg(pc);
1698: usermap_via_chown = False;
1699: break;
1700:
1701: case OPT_GROUPMAP:
1702: if (groupmap) {
1703: if (groupmap_via_chown) {
1704: snprintf(err_buf, sizeof err_buf,
1705: "--groupmap conflicts with prior --chown.\n");
1706: return 0;
1707: }
1708: snprintf(err_buf, sizeof err_buf,
1709: "You can only specify --groupmap once.\n");
1710: return 0;
1711: }
1712: groupmap = (char *)poptGetOptArg(pc);
1713: groupmap_via_chown = False;
1714: break;
1715:
1716: case OPT_CHOWN: {
1717: const char *chown = poptGetOptArg(pc);
1718: int len;
1719: if ((arg = strchr(chown, ':')) != NULL)
1720: len = arg++ - chown;
1721: else
1722: len = strlen(chown);
1723: if (len) {
1724: if (usermap) {
1725: if (!usermap_via_chown) {
1726: snprintf(err_buf, sizeof err_buf,
1727: "--chown conflicts with prior --usermap.\n");
1728: return 0;
1729: }
1730: snprintf(err_buf, sizeof err_buf,
1731: "You can only specify a user-affecting --chown once.\n");
1732: return 0;
1733: }
1734: if (asprintf(&usermap, "*:%.*s", len, chown) < 0)
1735: out_of_memory("parse_arguments");
1736: usermap_via_chown = True;
1737: }
1738: if (arg && *arg) {
1739: if (groupmap) {
1740: if (!groupmap_via_chown) {
1741: snprintf(err_buf, sizeof err_buf,
1742: "--chown conflicts with prior --groupmap.\n");
1743: return 0;
1744: }
1745: snprintf(err_buf, sizeof err_buf,
1746: "You can only specify a group-affecting --chown once.\n");
1747: return 0;
1748: }
1749: if (asprintf(&groupmap, "*:%s", arg) < 0)
1750: out_of_memory("parse_arguments");
1751: groupmap_via_chown = True;
1752: }
1753: break;
1754: }
1755:
1756: case OPT_HELP:
1757: usage(FINFO);
1758: exit_cleanup(0);
1759:
1760: case 'A':
1761: #ifdef SUPPORT_ACLS
1762: preserve_acls = 1;
1763: preserve_perms = 1;
1764: break;
1765: #else
1766: /* FIXME: this should probably be ignored with a
1767: * warning and then countermeasures taken to
1768: * restrict group and other access in the presence
1769: * of any more restrictive ACLs, but this is safe
1770: * for now */
1771: snprintf(err_buf,sizeof(err_buf),
1772: "ACLs are not supported on this %s\n",
1773: am_server ? "server" : "client");
1774: return 0;
1775: #endif
1776:
1777: case 'X':
1778: #ifdef SUPPORT_XATTRS
1779: preserve_xattrs++;
1780: break;
1781: #else
1782: snprintf(err_buf,sizeof(err_buf),
1783: "extended attributes are not supported on this %s\n",
1784: am_server ? "server" : "client");
1785: return 0;
1786: #endif
1787:
1788: default:
1789: /* A large opt value means that set_refuse_options()
1790: * turned this option off. */
1791: if (opt >= OPT_REFUSED_BASE) {
1792: create_refuse_error(opt);
1793: return 0;
1794: }
1795: snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
1796: am_server ? "on remote machine: " : "",
1797: poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1798: poptStrerror(opt));
1799: return 0;
1800: }
1801: }
1802:
1803: if (protect_args < 0) {
1804: if (am_server)
1805: protect_args = 0;
1806: else if ((arg = getenv("RSYNC_PROTECT_ARGS")) != NULL && *arg)
1807: protect_args = atoi(arg) ? 1 : 0;
1808: else {
1809: #ifdef RSYNC_USE_PROTECTED_ARGS
1810: protect_args = 1;
1811: #else
1812: protect_args = 0;
1813: #endif
1814: }
1815: }
1816:
1817: if (human_readable > 1 && argc == 2 && !am_server) {
1818: /* Allow the old meaning of 'h' (--help) on its own. */
1819: usage(FINFO);
1820: exit_cleanup(0);
1821: }
1822:
1823: if (do_compression || def_compress_level != NOT_SPECIFIED) {
1824: if (def_compress_level == NOT_SPECIFIED)
1825: def_compress_level = Z_DEFAULT_COMPRESSION;
1826: else if (def_compress_level < Z_DEFAULT_COMPRESSION || def_compress_level > Z_BEST_COMPRESSION) {
1827: snprintf(err_buf, sizeof err_buf, "--compress-level value is invalid: %d\n",
1828: def_compress_level);
1829: return 0;
1830: } else if (def_compress_level == Z_NO_COMPRESSION)
1831: do_compression = 0;
1832: else if (!do_compression)
1833: do_compression = 1;
1834: if (do_compression && refused_compress) {
1835: create_refuse_error(refused_compress);
1836: return 0;
1837: }
1838: #ifdef EXTERNAL_ZLIB
1839: if (do_compression == 1) {
1840: snprintf(err_buf, sizeof err_buf,
1841: "This rsync lacks old-style --compress due to its external zlib. Try -zz.\n");
1842: if (am_server)
1843: return 0;
1844: fprintf(stderr, "%s" "Continuing without compression.\n\n", err_buf);
1845: do_compression = 0;
1846: }
1847: #endif
1848: }
1849:
1850: #ifdef HAVE_SETVBUF
1851: if (outbuf_mode && !am_server) {
1852: int mode = *(uchar *)outbuf_mode;
1853: if (islower(mode))
1854: mode = toupper(mode);
1855: fflush(stdout); /* Just in case... */
1856: switch (mode) {
1857: case 'N': /* None */
1858: case 'U': /* Unbuffered */
1859: mode = _IONBF;
1860: break;
1861: case 'L': /* Line */
1862: mode = _IOLBF;
1863: break;
1864: case 'B': /* Block */
1865: case 'F': /* Full */
1866: mode = _IOFBF;
1867: break;
1868: default:
1869: snprintf(err_buf, sizeof err_buf,
1870: "Invalid --outbuf setting -- specify N, L, or B.\n");
1871: return 0;
1872: }
1873: setvbuf(stdout, (char *)NULL, mode, 0);
1874: }
1875:
1876: if (msgs2stderr) {
1877: /* Make stderr line buffered for better sharing of the stream. */
1878: fflush(stderr); /* Just in case... */
1879: setvbuf(stderr, (char *)NULL, _IOLBF, 0);
1880: }
1881: #endif
1882:
1883: set_output_verbosity(verbose, DEFAULT_PRIORITY);
1884:
1885: if (do_stats) {
1886: parse_output_words(info_words, info_levels,
1887: verbose > 1 ? "stats3" : "stats2", DEFAULT_PRIORITY);
1888: }
1889:
1890: #ifdef ICONV_OPTION
1891: if (iconv_opt && protect_args != 2) {
1892: if (!am_server && strcmp(iconv_opt, "-") == 0)
1893: iconv_opt = NULL;
1894: else
1895: need_unsorted_flist = 1;
1896: }
1897: if (refused_no_iconv && !iconv_opt) {
1898: create_refuse_error(refused_no_iconv);
1899: return 0;
1900: }
1901: #endif
1902:
1903: if (fuzzy_basis > 1)
1904: fuzzy_basis = basis_dir_cnt + 1;
1905:
1906: if (protect_args == 1 && am_server)
1907: return 1;
1908:
1909: *argv_p = argv = poptGetArgs(pc);
1910: *argc_p = argc = count_args(argv);
1911:
1912: #ifndef SUPPORT_LINKS
1913: if (preserve_links && !am_sender) {
1914: snprintf(err_buf, sizeof err_buf,
1915: "symlinks are not supported on this %s\n",
1916: am_server ? "server" : "client");
1917: return 0;
1918: }
1919: #endif
1920:
1921: #ifndef SUPPORT_HARD_LINKS
1922: if (preserve_hard_links) {
1923: snprintf(err_buf, sizeof err_buf,
1924: "hard links are not supported on this %s\n",
1925: am_server ? "server" : "client");
1926: return 0;
1927: }
1928: #endif
1929:
1930: #ifdef SUPPORT_XATTRS
1931: if (am_root < 0 && preserve_xattrs > 1) {
1932: snprintf(err_buf, sizeof err_buf,
1933: "--fake-super conflicts with -XX\n");
1934: return 0;
1935: }
1936: #else
1937: if (am_root < 0) {
1938: snprintf(err_buf, sizeof err_buf,
1939: "--fake-super requires an rsync with extended attributes enabled\n");
1940: return 0;
1941: }
1942: #endif
1943:
1944: if (block_size > MAX_BLOCK_SIZE) {
1945: snprintf(err_buf, sizeof err_buf,
1946: "--block-size=%lu is too large (max: %u)\n", block_size, MAX_BLOCK_SIZE);
1947: return 0;
1948: }
1949:
1950: if (write_batch && read_batch) {
1951: snprintf(err_buf, sizeof err_buf,
1952: "--write-batch and --read-batch can not be used together\n");
1953: return 0;
1954: }
1955: if (write_batch > 0 || read_batch) {
1956: if (am_server) {
1957: rprintf(FINFO,
1958: "ignoring --%s-batch option sent to server\n",
1959: write_batch ? "write" : "read");
1960: /* We don't actually exit_cleanup(), so that we can
1961: * still service older version clients that still send
1962: * batch args to server. */
1963: read_batch = write_batch = 0;
1964: batch_name = NULL;
1965: } else if (dry_run)
1966: write_batch = 0;
1967: } else if (write_batch < 0 && dry_run)
1968: write_batch = 0;
1969: if (read_batch && files_from) {
1970: snprintf(err_buf, sizeof err_buf,
1971: "--read-batch cannot be used with --files-from\n");
1972: return 0;
1973: }
1974: if (read_batch && remove_source_files) {
1975: snprintf(err_buf, sizeof err_buf,
1976: "--read-batch cannot be used with --remove-%s-files\n",
1977: remove_source_files == 1 ? "source" : "sent");
1978: return 0;
1979: }
1980: if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
1981: snprintf(err_buf, sizeof err_buf,
1982: "the batch-file name must be %d characters or less.\n",
1983: MAX_BATCH_NAME_LEN);
1984: return 0;
1985: }
1986:
1987: if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
1988: snprintf(err_buf, sizeof err_buf,
1989: "the --temp-dir path is WAY too long.\n");
1990: return 0;
1991: }
1992:
1993: if (max_delete < 0 && max_delete != INT_MIN) {
1994: /* Negative numbers are treated as "no deletions". */
1995: max_delete = 0;
1996: }
1997:
1998: if (compare_dest + copy_dest + link_dest > 1) {
1999: snprintf(err_buf, sizeof err_buf,
2000: "You may not mix --compare-dest, --copy-dest, and --link-dest.\n");
2001: return 0;
2002: }
2003:
2004: if (files_from) {
2005: if (recurse == 1) /* preserve recurse == 2 */
2006: recurse = 0;
2007: if (xfer_dirs < 0)
2008: xfer_dirs = 1;
2009: }
2010:
2011: if (argc < 2 && !read_batch && !am_server)
2012: list_only |= 1;
2013:
2014: if (xfer_dirs >= 4) {
2015: parse_filter_str(&filter_list, "- /*/*", rule_template(0), 0);
2016: recurse = xfer_dirs = 1;
2017: } else if (recurse)
2018: xfer_dirs = 1;
2019: else if (xfer_dirs < 0)
2020: xfer_dirs = list_only ? 1 : 0;
2021:
2022: if (relative_paths < 0)
2023: relative_paths = files_from? 1 : 0;
2024: if (!relative_paths)
2025: implied_dirs = 0;
2026:
2027: if (delete_before + !!delete_during + delete_after > 1) {
2028: snprintf(err_buf, sizeof err_buf,
2029: "You may not combine multiple --delete-WHEN options.\n");
2030: return 0;
2031: }
2032: if (delete_before || delete_during || delete_after)
2033: delete_mode = 1;
2034: else if (delete_mode || delete_excluded) {
2035: /* Only choose now between before & during if one is refused. */
2036: if (refused_delete_before) {
2037: if (!refused_delete_during)
2038: delete_during = 1;
2039: else {
2040: create_refuse_error(refused_delete_before);
2041: return 0;
2042: }
2043: } else if (refused_delete_during)
2044: delete_before = 1;
2045: delete_mode = 1;
2046: }
2047: if (!xfer_dirs && delete_mode) {
2048: snprintf(err_buf, sizeof err_buf,
2049: "--delete does not work without --recursive (-r) or --dirs (-d).\n");
2050: return 0;
2051: }
2052:
2053: if (missing_args == 3) /* simplify if both options were specified */
2054: missing_args = 2;
2055: if (refused_delete && (delete_mode || missing_args == 2)) {
2056: create_refuse_error(refused_delete);
2057: return 0;
2058: }
2059:
2060: if (remove_source_files) {
2061: /* We only want to infer this refusal of --remove-source-files
2062: * via the refusal of "delete", not any of the "delete-FOO"
2063: * options. */
2064: if (refused_delete && am_sender) {
2065: create_refuse_error(refused_delete);
2066: return 0;
2067: }
2068: need_messages_from_generator = 1;
2069: }
2070:
2071: if (munge_symlinks && !am_daemon) {
2072: STRUCT_STAT st;
2073: char prefix[SYMLINK_PREFIX_LEN]; /* NOT +1 ! */
2074: strlcpy(prefix, SYMLINK_PREFIX, sizeof prefix); /* trim the trailing slash */
2075: if (do_stat(prefix, &st) == 0 && S_ISDIR(st.st_mode)) {
2076: rprintf(FERROR, "Symlink munging is unsafe when a %s directory exists.\n",
2077: prefix);
2078: exit_cleanup(RERR_UNSUPPORTED);
2079: }
2080: }
2081:
2082: if (sanitize_paths) {
2083: int i;
2084: for (i = argc; i-- > 0; )
2085: argv[i] = sanitize_path(NULL, argv[i], "", 0, SP_KEEP_DOT_DIRS);
2086: if (tmpdir)
2087: tmpdir = sanitize_path(NULL, tmpdir, NULL, 0, SP_DEFAULT);
2088: if (backup_dir)
2089: backup_dir = sanitize_path(NULL, backup_dir, NULL, 0, SP_DEFAULT);
2090: }
2091: if (daemon_filter_list.head && !am_sender) {
2092: filter_rule_list *elp = &daemon_filter_list;
2093: if (tmpdir) {
2094: char *dir;
2095: if (!*tmpdir)
2096: goto options_rejected;
2097: dir = tmpdir + (*tmpdir == '/' ? module_dirlen : 0);
2098: clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2099: if (check_filter(elp, FLOG, dir, 1) < 0)
2100: goto options_rejected;
2101: }
2102: if (backup_dir) {
2103: char *dir;
2104: if (!*backup_dir)
2105: goto options_rejected;
2106: dir = backup_dir + (*backup_dir == '/' ? module_dirlen : 0);
2107: clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2108: if (check_filter(elp, FLOG, dir, 1) < 0)
2109: goto options_rejected;
2110: }
2111: }
2112:
2113: if (!backup_suffix)
2114: backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
2115: backup_suffix_len = strlen(backup_suffix);
2116: if (strchr(backup_suffix, '/') != NULL) {
2117: snprintf(err_buf, sizeof err_buf,
2118: "--suffix cannot contain slashes: %s\n",
2119: backup_suffix);
2120: return 0;
2121: }
2122: if (backup_dir) {
2123: size_t len;
2124: while (*backup_dir == '.' && backup_dir[1] == '/')
2125: backup_dir += 2;
2126: if (*backup_dir == '.' && backup_dir[1] == '\0')
2127: backup_dir++;
2128: len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
2129: if (len > sizeof backup_dir_buf - 128) {
2130: snprintf(err_buf, sizeof err_buf,
2131: "the --backup-dir path is WAY too long.\n");
2132: return 0;
2133: }
2134: backup_dir_len = (int)len;
2135: if (!backup_dir_len) {
2136: backup_dir_len = -1;
2137: backup_dir = NULL;
2138: } else if (backup_dir_buf[backup_dir_len - 1] != '/') {
2139: backup_dir_buf[backup_dir_len++] = '/';
2140: backup_dir_buf[backup_dir_len] = '\0';
2141: }
2142: backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
2143: }
2144: if (backup_dir) {
2145: /* No need for a suffix or a protect rule. */
2146: } else if (!backup_suffix_len && (!am_server || !am_sender)) {
2147: snprintf(err_buf, sizeof err_buf,
2148: "--suffix cannot be empty %s\n", backup_dir_len < 0
2149: ? "when --backup-dir is the same as the dest dir"
2150: : "without a --backup-dir");
2151: return 0;
2152: } else if (make_backups && delete_mode && !delete_excluded && !am_server) {
2153: snprintf(backup_dir_buf, sizeof backup_dir_buf,
2154: "P *%s", backup_suffix);
2155: parse_filter_str(&filter_list, backup_dir_buf, rule_template(0), 0);
2156: }
2157:
2158: if (preserve_times) {
2159: preserve_times = PRESERVE_FILE_TIMES;
2160: if (!omit_dir_times)
2161: preserve_times |= PRESERVE_DIR_TIMES;
2162: #ifdef CAN_SET_SYMLINK_TIMES
2163: if (!omit_link_times)
2164: preserve_times |= PRESERVE_LINK_TIMES;
2165: #endif
2166: }
2167:
2168: if (make_backups && !backup_dir) {
2169: omit_dir_times = 0; /* Implied, so avoid -O to sender. */
2170: preserve_times &= ~PRESERVE_DIR_TIMES;
2171: }
2172:
2173: if (stdout_format) {
2174: if (am_server && log_format_has(stdout_format, 'I'))
2175: stdout_format_has_i = 2;
2176: else if (log_format_has(stdout_format, 'i'))
2177: stdout_format_has_i = itemize_changes | 1;
2178: if (!log_format_has(stdout_format, 'b')
2179: && !log_format_has(stdout_format, 'c')
2180: && !log_format_has(stdout_format, 'C'))
2181: log_before_transfer = !am_server;
2182: } else if (itemize_changes) {
2183: stdout_format = "%i %n%L";
2184: stdout_format_has_i = itemize_changes;
2185: log_before_transfer = !am_server;
2186: }
2187:
2188: if (do_progress && !am_server) {
2189: if (!log_before_transfer && INFO_EQ(NAME, 0))
2190: parse_output_words(info_words, info_levels, "name", DEFAULT_PRIORITY);
2191: parse_output_words(info_words, info_levels, "flist2,progress", DEFAULT_PRIORITY);
2192: }
2193:
2194: if (dry_run)
2195: do_xfers = 0;
2196:
2197: set_io_timeout(io_timeout);
2198:
2199: if (INFO_GTE(NAME, 1) && !stdout_format) {
2200: stdout_format = "%n%L";
2201: log_before_transfer = !am_server;
2202: }
2203: if (stdout_format_has_i || log_format_has(stdout_format, 'o'))
2204: stdout_format_has_o_or_i = 1;
2205:
2206: if (logfile_name && !am_daemon) {
2207: if (!logfile_format) {
2208: logfile_format = "%i %n%L";
2209: logfile_format_has_i = logfile_format_has_o_or_i = 1;
2210: } else {
2211: if (log_format_has(logfile_format, 'i'))
2212: logfile_format_has_i = 1;
2213: if (logfile_format_has_i || log_format_has(logfile_format, 'o'))
2214: logfile_format_has_o_or_i = 1;
2215: }
2216: log_init(0);
2217: } else if (!am_daemon)
2218: logfile_format = NULL;
2219:
2220: if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
2221: bwlimit = daemon_bwlimit;
2222: if (bwlimit) {
2223: bwlimit_writemax = (size_t)bwlimit * 128;
2224: if (bwlimit_writemax < 512)
2225: bwlimit_writemax = 512;
2226: }
2227:
2228: if (sparse_files && inplace) {
2229: /* Note: we don't check for this below, because --append is
2230: * OK with --sparse (as long as redos are handled right). */
2231: snprintf(err_buf, sizeof err_buf,
2232: "--sparse cannot be used with --inplace\n");
2233: return 0;
2234: }
2235:
2236: if (append_mode) {
2237: if (whole_file > 0) {
2238: snprintf(err_buf, sizeof err_buf,
2239: "--append cannot be used with --whole-file\n");
2240: return 0;
2241: }
2242: if (refused_inplace) {
2243: create_refuse_error(refused_inplace);
2244: return 0;
2245: }
2246: inplace = 1;
2247: }
2248:
2249: if (delay_updates && !partial_dir)
2250: partial_dir = tmp_partialdir;
2251:
2252: if (inplace) {
2253: #ifdef HAVE_FTRUNCATE
2254: if (partial_dir) {
2255: snprintf(err_buf, sizeof err_buf,
2256: "--%s cannot be used with --%s\n",
2257: append_mode ? "append" : "inplace",
2258: delay_updates ? "delay-updates" : "partial-dir");
2259: return 0;
2260: }
2261: /* --inplace implies --partial for refusal purposes, but we
2262: * clear the keep_partial flag for internal logic purposes. */
2263: if (refused_partial) {
2264: create_refuse_error(refused_partial);
2265: return 0;
2266: }
2267: keep_partial = 0;
2268: #else
2269: snprintf(err_buf, sizeof err_buf,
2270: "--%s is not supported on this %s\n",
2271: append_mode ? "append" : "inplace",
2272: am_server ? "server" : "client");
2273: return 0;
2274: #endif
2275: } else {
2276: if (keep_partial && !partial_dir && !am_server) {
2277: if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
2278: partial_dir = strdup(arg);
2279: }
2280: if (partial_dir) {
2281: if (*partial_dir)
2282: clean_fname(partial_dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2283: if (!*partial_dir || strcmp(partial_dir, ".") == 0)
2284: partial_dir = NULL;
2285: if (!partial_dir && refused_partial) {
2286: create_refuse_error(refused_partial);
2287: return 0;
2288: }
2289: keep_partial = 1;
2290: }
2291: }
2292:
2293: if (files_from) {
2294: char *h, *p;
2295: int q;
2296: if (argc > 2 || (!am_daemon && !am_server && argc == 1)) {
2297: usage(FERROR);
2298: exit_cleanup(RERR_SYNTAX);
2299: }
2300: if (strcmp(files_from, "-") == 0) {
2301: filesfrom_fd = 0;
2302: if (am_server)
2303: filesfrom_host = ""; /* reading from socket */
2304: } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
2305: if (am_server) {
2306: snprintf(err_buf, sizeof err_buf,
2307: "The --files-from sent to the server cannot specify a host.\n");
2308: return 0;
2309: }
2310: files_from = p;
2311: filesfrom_host = h;
2312: if (strcmp(files_from, "-") == 0) {
2313: snprintf(err_buf, sizeof err_buf,
2314: "Invalid --files-from remote filename\n");
2315: return 0;
2316: }
2317: } else {
2318: if (sanitize_paths)
2319: files_from = sanitize_path(NULL, files_from, NULL, 0, SP_DEFAULT);
2320: if (daemon_filter_list.head) {
2321: char *dir;
2322: if (!*files_from)
2323: goto options_rejected;
2324: dir = files_from + (*files_from == '/' ? module_dirlen : 0);
2325: clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
2326: if (check_filter(&daemon_filter_list, FLOG, dir, 0) < 0)
2327: goto options_rejected;
2328: }
2329: filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
2330: if (filesfrom_fd < 0) {
2331: snprintf(err_buf, sizeof err_buf,
2332: "failed to open files-from file %s: %s\n",
2333: files_from, strerror(errno));
2334: return 0;
2335: }
2336: }
2337: }
2338:
2339: am_starting_up = 0;
2340:
2341: return 1;
2342:
2343: options_rejected:
2344: snprintf(err_buf, sizeof err_buf,
2345: "Your options have been rejected by the server.\n");
2346: return 0;
2347: }
2348:
2349:
2350: /**
2351: * Construct a filtered list of options to pass through from the
2352: * client to the server.
2353: *
2354: * This involves setting options that will tell the server how to
2355: * behave, and also filtering out options that are processed only
2356: * locally.
2357: **/
2358: void server_options(char **args, int *argc_p)
2359: {
2360: static char argstr[64];
2361: int ac = *argc_p;
2362: uchar where;
2363: char *arg;
2364: int i, x;
2365:
2366: /* This should always remain first on the server's command-line. */
2367: args[ac++] = "--server";
2368:
2369: if (daemon_over_rsh > 0) {
2370: args[ac++] = "--daemon";
2371: *argc_p = ac;
2372: /* if we're passing --daemon, we're done */
2373: return;
2374: }
2375:
2376: if (!am_sender)
2377: args[ac++] = "--sender";
2378:
2379: x = 1;
2380: argstr[0] = '-';
2381:
2382: if (protect_args)
2383: argstr[x++] = 's';
2384:
2385: for (i = 0; i < verbose; i++)
2386: argstr[x++] = 'v';
2387:
2388: /* the -q option is intentionally left out */
2389: if (make_backups)
2390: argstr[x++] = 'b';
2391: if (update_only)
2392: argstr[x++] = 'u';
2393: if (!do_xfers) /* Note: NOT "dry_run"! */
2394: argstr[x++] = 'n';
2395: if (preserve_links)
2396: argstr[x++] = 'l';
2397: if ((xfer_dirs >= 2 && xfer_dirs < 4)
2398: || (xfer_dirs && !recurse && (list_only || (delete_mode && am_sender))))
2399: argstr[x++] = 'd';
2400: if (am_sender) {
2401: if (keep_dirlinks)
2402: argstr[x++] = 'K';
2403: if (prune_empty_dirs)
2404: argstr[x++] = 'm';
2405: if (omit_dir_times)
2406: argstr[x++] = 'O';
2407: if (omit_link_times)
2408: argstr[x++] = 'J';
2409: if (fuzzy_basis) {
2410: argstr[x++] = 'y';
2411: if (fuzzy_basis > 1)
2412: argstr[x++] = 'y';
2413: }
2414: } else {
2415: if (copy_links)
2416: argstr[x++] = 'L';
2417: if (copy_dirlinks)
2418: argstr[x++] = 'k';
2419: }
2420:
2421: if (whole_file > 0)
2422: argstr[x++] = 'W';
2423: /* We don't need to send --no-whole-file, because it's the
2424: * default for remote transfers, and in any case old versions
2425: * of rsync will not understand it. */
2426:
2427: if (preserve_hard_links) {
2428: argstr[x++] = 'H';
2429: if (preserve_hard_links > 1)
2430: argstr[x++] = 'H';
2431: }
2432: if (preserve_uid)
2433: argstr[x++] = 'o';
2434: if (preserve_gid)
2435: argstr[x++] = 'g';
2436: if (preserve_devices) /* ignore preserve_specials here */
2437: argstr[x++] = 'D';
2438: if (preserve_times)
2439: argstr[x++] = 't';
2440: if (preserve_perms)
2441: argstr[x++] = 'p';
2442: else if (preserve_executability && am_sender)
2443: argstr[x++] = 'E';
2444: #ifdef SUPPORT_ACLS
2445: if (preserve_acls)
2446: argstr[x++] = 'A';
2447: #endif
2448: #ifdef SUPPORT_XATTRS
2449: if (preserve_xattrs) {
2450: argstr[x++] = 'X';
2451: if (preserve_xattrs > 1)
2452: argstr[x++] = 'X';
2453: }
2454: #endif
2455: if (recurse)
2456: argstr[x++] = 'r';
2457: if (always_checksum)
2458: argstr[x++] = 'c';
2459: if (cvs_exclude)
2460: argstr[x++] = 'C';
2461: if (ignore_times)
2462: argstr[x++] = 'I';
2463: if (relative_paths)
2464: argstr[x++] = 'R';
2465: if (one_file_system) {
2466: argstr[x++] = 'x';
2467: if (one_file_system > 1)
2468: argstr[x++] = 'x';
2469: }
2470: if (sparse_files)
2471: argstr[x++] = 'S';
2472: if (do_compression == 1)
2473: argstr[x++] = 'z';
2474:
2475: set_allow_inc_recurse();
2476:
2477: /* We don't really know the actual protocol_version at this point,
2478: * but checking the pre-negotiated value allows the user to use a
2479: * --protocol=29 override to avoid the use of this -eFLAGS opt. */
2480: if (protocol_version >= 30) {
2481: /* Use "eFlags" alias so that cull_options doesn't think that these are no-arg option letters. */
2482: #define eFlags argstr
2483: /* We make use of the -e option to let the server know about
2484: * any pre-release protocol version && some behavior flags. */
2485: eFlags[x++] = 'e';
2486: #if SUBPROTOCOL_VERSION != 0
2487: if (protocol_version == PROTOCOL_VERSION) {
2488: x += snprintf(argstr+x, sizeof argstr - x,
2489: "%d.%d",
2490: PROTOCOL_VERSION, SUBPROTOCOL_VERSION);
2491: } else
2492: #endif
2493: eFlags[x++] = '.';
2494: if (allow_inc_recurse)
2495: eFlags[x++] = 'i';
2496: #ifdef CAN_SET_SYMLINK_TIMES
2497: eFlags[x++] = 'L'; /* symlink time-setting support */
2498: #endif
2499: #ifdef ICONV_OPTION
2500: eFlags[x++] = 's'; /* symlink iconv translation support */
2501: #endif
2502: eFlags[x++] = 'f'; /* flist I/O-error safety support */
2503: eFlags[x++] = 'x'; /* xattr hardlink optimization not desired */
2504: eFlags[x++] = 'C'; /* support checksum seed order fix */
2505: #undef eFlags
2506: }
2507:
2508: if (x >= (int)sizeof argstr) { /* Not possible... */
2509: rprintf(FERROR, "argstr overflow in server_options().\n");
2510: exit_cleanup(RERR_MALLOC);
2511: }
2512:
2513: argstr[x] = '\0';
2514:
2515: if (x > 1)
2516: args[ac++] = argstr;
2517:
2518: #ifdef ICONV_OPTION
2519: if (iconv_opt) {
2520: char *set = strchr(iconv_opt, ',');
2521: if (set)
2522: set++;
2523: else
2524: set = iconv_opt;
2525: if (asprintf(&arg, "--iconv=%s", set) < 0)
2526: goto oom;
2527: args[ac++] = arg;
2528: }
2529: #endif
2530:
2531: if (protect_args && !local_server) /* unprotected args stop here */
2532: args[ac++] = NULL;
2533:
2534: if (list_only > 1)
2535: args[ac++] = "--list-only";
2536:
2537: /* This makes sure that the remote rsync can handle deleting with -d
2538: * sans -r because the --no-r option was added at the same time. */
2539: if (xfer_dirs && !recurse && delete_mode && am_sender)
2540: args[ac++] = "--no-r";
2541:
2542: if (do_compression && def_compress_level != Z_DEFAULT_COMPRESSION) {
2543: if (asprintf(&arg, "--compress-level=%d", def_compress_level) < 0)
2544: goto oom;
2545: args[ac++] = arg;
2546: }
2547:
2548: if (preserve_devices) {
2549: /* Note: sending "--devices" would not be backward-compatible. */
2550: if (!preserve_specials)
2551: args[ac++] = "--no-specials"; /* -D is already set. */
2552: } else if (preserve_specials)
2553: args[ac++] = "--specials";
2554:
2555: /* The server side doesn't use our log-format, but in certain
2556: * circumstances they need to know a little about the option. */
2557: if (stdout_format && am_sender) {
2558: /* Use --log-format, not --out-format, for compatibility. */
2559: if (stdout_format_has_i > 1)
2560: args[ac++] = "--log-format=%i%I";
2561: else if (stdout_format_has_i)
2562: args[ac++] = "--log-format=%i";
2563: else if (stdout_format_has_o_or_i)
2564: args[ac++] = "--log-format=%o";
2565: else if (!verbose)
2566: args[ac++] = "--log-format=X";
2567: }
2568:
2569: if (block_size) {
2570: if (asprintf(&arg, "-B%lu", block_size) < 0)
2571: goto oom;
2572: args[ac++] = arg;
2573: }
2574:
2575: if (io_timeout) {
2576: if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
2577: goto oom;
2578: args[ac++] = arg;
2579: }
2580:
2581: if (bwlimit) {
2582: if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
2583: goto oom;
2584: args[ac++] = arg;
2585: }
2586:
2587: if (backup_dir) {
2588: args[ac++] = "--backup-dir";
2589: args[ac++] = backup_dir;
2590: }
2591:
2592: /* Only send --suffix if it specifies a non-default value. */
2593: if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
2594: /* We use the following syntax to avoid weirdness with '~'. */
2595: if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
2596: goto oom;
2597: args[ac++] = arg;
2598: }
2599:
2600: if (am_sender) {
2601: if (max_delete > 0) {
2602: if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
2603: goto oom;
2604: args[ac++] = arg;
2605: } else if (max_delete == 0)
2606: args[ac++] = "--max-delete=-1";
2607: if (min_size >= 0) {
2608: args[ac++] = "--min-size";
2609: args[ac++] = min_size_arg;
2610: }
2611: if (max_size >= 0) {
2612: args[ac++] = "--max-size";
2613: args[ac++] = max_size_arg;
2614: }
2615: if (delete_before)
2616: args[ac++] = "--delete-before";
2617: else if (delete_during == 2)
2618: args[ac++] = "--delete-delay";
2619: else if (delete_during)
2620: args[ac++] = "--delete-during";
2621: else if (delete_after)
2622: args[ac++] = "--delete-after";
2623: else if (delete_mode && !delete_excluded)
2624: args[ac++] = "--delete";
2625: if (delete_excluded)
2626: args[ac++] = "--delete-excluded";
2627: if (force_delete)
2628: args[ac++] = "--force";
2629: if (write_batch < 0)
2630: args[ac++] = "--only-write-batch=X";
2631: if (am_root > 1)
2632: args[ac++] = "--super";
2633: if (size_only)
2634: args[ac++] = "--size-only";
2635: if (do_stats)
2636: args[ac++] = "--stats";
2637: } else {
2638: if (skip_compress) {
2639: if (asprintf(&arg, "--skip-compress=%s", skip_compress) < 0)
2640: goto oom;
2641: args[ac++] = arg;
2642: }
2643: }
2644:
2645: /* --delete-missing-args needs the cooperation of both sides, but
2646: * the sender can handle --ignore-missing-args by itself. */
2647: if (missing_args == 2)
2648: args[ac++] = "--delete-missing-args";
2649: else if (missing_args == 1 && !am_sender)
2650: args[ac++] = "--ignore-missing-args";
2651:
2652: if (modify_window_set) {
2653: if (asprintf(&arg, "--modify-window=%d", modify_window) < 0)
2654: goto oom;
2655: args[ac++] = arg;
2656: }
2657:
2658: if (checksum_seed) {
2659: if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
2660: goto oom;
2661: args[ac++] = arg;
2662: }
2663:
2664: if (partial_dir && am_sender) {
2665: if (partial_dir != tmp_partialdir) {
2666: args[ac++] = "--partial-dir";
2667: args[ac++] = partial_dir;
2668: }
2669: if (delay_updates)
2670: args[ac++] = "--delay-updates";
2671: } else if (keep_partial && am_sender)
2672: args[ac++] = "--partial";
2673:
2674: if (ignore_errors)
2675: args[ac++] = "--ignore-errors";
2676:
2677: if (copy_unsafe_links)
2678: args[ac++] = "--copy-unsafe-links";
2679:
2680: if (safe_symlinks)
2681: args[ac++] = "--safe-links";
2682:
2683: if (numeric_ids)
2684: args[ac++] = "--numeric-ids";
2685:
2686: if (use_qsort)
2687: args[ac++] = "--use-qsort";
2688:
2689: if (am_sender) {
2690: if (usermap) {
2691: if (asprintf(&arg, "--usermap=%s", usermap) < 0)
2692: goto oom;
2693: args[ac++] = arg;
2694: }
2695:
2696: if (groupmap) {
2697: if (asprintf(&arg, "--groupmap=%s", groupmap) < 0)
2698: goto oom;
2699: args[ac++] = arg;
2700: }
2701:
2702: if (ignore_existing)
2703: args[ac++] = "--ignore-existing";
2704:
2705: /* Backward compatibility: send --existing, not --ignore-non-existing. */
2706: if (ignore_non_existing)
2707: args[ac++] = "--existing";
2708:
2709: if (tmpdir) {
2710: args[ac++] = "--temp-dir";
2711: args[ac++] = tmpdir;
2712: }
2713:
2714: if (basis_dir[0]) {
2715: /* the server only needs this option if it is not the sender,
2716: * and it may be an older version that doesn't know this
2717: * option, so don't send it if client is the sender.
2718: */
2719: for (i = 0; i < basis_dir_cnt; i++) {
2720: args[ac++] = dest_option;
2721: args[ac++] = basis_dir[i];
2722: }
2723: }
2724: }
2725:
2726: /* What flags do we need to send to the other side? */
2727: where = (am_server ? W_CLI : W_SRV) | (am_sender ? W_REC : W_SND);
2728: arg = make_output_option(info_words, info_levels, where);
2729: if (arg)
2730: args[ac++] = arg;
2731:
2732: arg = make_output_option(debug_words, debug_levels, where);
2733: if (arg)
2734: args[ac++] = arg;
2735:
2736: if (append_mode) {
2737: if (append_mode > 1)
2738: args[ac++] = "--append";
2739: args[ac++] = "--append";
2740: } else if (inplace)
2741: args[ac++] = "--inplace";
2742:
2743: if (files_from && (!am_sender || filesfrom_host)) {
2744: if (filesfrom_host) {
2745: args[ac++] = "--files-from";
2746: args[ac++] = files_from;
2747: if (eol_nulls)
2748: args[ac++] = "--from0";
2749: } else {
2750: args[ac++] = "--files-from=-";
2751: args[ac++] = "--from0";
2752: }
2753: if (!relative_paths)
2754: args[ac++] = "--no-relative";
2755: }
2756: /* It's OK that this checks the upper-bound of the protocol_version. */
2757: if (relative_paths && !implied_dirs && (!am_sender || protocol_version >= 30))
2758: args[ac++] = "--no-implied-dirs";
2759:
2760: if (remove_source_files == 1)
2761: args[ac++] = "--remove-source-files";
2762: else if (remove_source_files)
2763: args[ac++] = "--remove-sent-files";
2764:
2765: if (preallocate_files && am_sender)
2766: args[ac++] = "--preallocate";
2767:
2768: if (ac > MAX_SERVER_ARGS) { /* Not possible... */
2769: rprintf(FERROR, "argc overflow in server_options().\n");
2770: exit_cleanup(RERR_MALLOC);
2771: }
2772:
2773: if (do_compression > 1)
2774: args[ac++] = "--new-compress";
2775:
2776: if (remote_option_cnt) {
2777: int j;
2778: if (ac + remote_option_cnt > MAX_SERVER_ARGS) {
2779: rprintf(FERROR, "too many remote options specified.\n");
2780: exit_cleanup(RERR_SYNTAX);
2781: }
2782: for (j = 1; j <= remote_option_cnt; j++)
2783: args[ac++] = (char*)remote_options[j];
2784: }
2785:
2786: *argc_p = ac;
2787: return;
2788:
2789: oom:
2790: out_of_memory("server_options");
2791: }
2792:
2793: /* If str points to a valid hostspec, return allocated memory containing the
2794: * [USER@]HOST part of the string, and set the path_start_ptr to the part of
2795: * the string after the host part. Otherwise, return NULL. If port_ptr is
2796: * non-NULL, we must be parsing an rsync:// URL hostname, and we will set
2797: * *port_ptr if a port number is found. Note that IPv6 IPs will have their
2798: * (required for parsing) [ and ] chars elided from the returned string. */
2799: static char *parse_hostspec(char *str, char **path_start_ptr, int *port_ptr)
2800: {
2801: char *s, *host_start = str;
2802: int hostlen = 0, userlen = 0;
2803: char *ret;
2804:
2805: for (s = str; ; s++) {
2806: if (!*s) {
2807: /* It is only OK if we run out of string with rsync:// */
2808: if (!port_ptr)
2809: return NULL;
2810: if (!hostlen)
2811: hostlen = s - host_start;
2812: break;
2813: }
2814: if (*s == ':' || *s == '/') {
2815: if (!hostlen)
2816: hostlen = s - host_start;
2817: if (*s++ == '/') {
2818: if (!port_ptr)
2819: return NULL;
2820: } else if (port_ptr) {
2821: *port_ptr = atoi(s);
2822: while (isDigit(s)) s++;
2823: if (*s && *s++ != '/')
2824: return NULL;
2825: }
2826: break;
2827: }
2828: if (*s == '@') {
2829: userlen = s - str + 1;
2830: host_start = s + 1;
2831: } else if (*s == '[') {
2832: if (s != host_start++)
2833: return NULL;
2834: while (*s && *s != ']' && *s != '/') s++; /*SHARED ITERATOR*/
2835: hostlen = s - host_start;
2836: if (*s != ']' || (s[1] && s[1] != '/' && s[1] != ':') || !hostlen)
2837: return NULL;
2838: }
2839: }
2840:
2841: *path_start_ptr = s;
2842: ret = new_array(char, userlen + hostlen + 1);
2843: if (userlen)
2844: strlcpy(ret, str, userlen + 1);
2845: strlcpy(ret + userlen, host_start, hostlen + 1);
2846: return ret;
2847: }
2848:
2849: /* Look for a HOST specfication of the form "HOST:PATH", "HOST::PATH", or
2850: * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
2851: * memory with the HOST. If a daemon-accessing spec was specified, the value
2852: * of *port_ptr will contain a non-0 port number, otherwise it will be set to
2853: * 0. The return value is a pointer to the PATH. Note that the HOST spec can
2854: * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
2855: * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
2856: char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
2857: {
2858: char *path;
2859:
2860: if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
2861: *host_ptr = parse_hostspec(s + strlen(URL_PREFIX), &path, port_ptr);
2862: if (*host_ptr) {
2863: if (!*port_ptr)
2864: *port_ptr = RSYNC_PORT;
2865: return path;
2866: }
2867: }
2868:
2869: *host_ptr = parse_hostspec(s, &path, NULL);
2870: if (!*host_ptr)
2871: return NULL;
2872:
2873: if (*path == ':') {
2874: if (port_ptr && !*port_ptr)
2875: *port_ptr = RSYNC_PORT;
2876: return path + 1;
2877: }
2878: if (port_ptr)
2879: *port_ptr = 0;
2880:
2881: return path;
2882: }
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