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