| 1 | /* |
| 2 | Copyright (C) Andrew Tridgell 1998 |
| 3 | |
| 4 | This program is free software; you can redistribute it and/or modify |
| 5 | it under the terms of the GNU General Public License as published by |
| 6 | the Free Software Foundation; either version 2 of the License, or |
| 7 | (at your option) any later version. |
| 8 | |
| 9 | This program is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | GNU General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU General Public License |
| 15 | along with this program; if not, write to the Free Software |
| 16 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 17 | */ |
| 18 | |
| 19 | /* options parsing code */ |
| 20 | |
| 21 | #include "rsync.h" |
| 22 | |
| 23 | |
| 24 | int make_backups = 0; |
| 25 | int whole_file = 0; |
| 26 | int copy_links = 0; |
| 27 | int preserve_links = 0; |
| 28 | int preserve_hard_links = 0; |
| 29 | int preserve_perms = 0; |
| 30 | int preserve_devices = 0; |
| 31 | int preserve_uid = 0; |
| 32 | int preserve_gid = 0; |
| 33 | int preserve_times = 0; |
| 34 | int update_only = 0; |
| 35 | int cvs_exclude = 0; |
| 36 | int dry_run=0; |
| 37 | int local_server=0; |
| 38 | int ignore_times=0; |
| 39 | int delete_mode=0; |
| 40 | int one_file_system=0; |
| 41 | int remote_version=0; |
| 42 | int sparse_files=0; |
| 43 | int do_compression=0; |
| 44 | int am_root=0; |
| 45 | int orig_umask=0; |
| 46 | int relative_paths=0; |
| 47 | int numeric_ids = 0; |
| 48 | int force_delete = 0; |
| 49 | int io_timeout = 0; |
| 50 | int io_error = 0; |
| 51 | int read_only = 0; |
| 52 | int module_id = -1; |
| 53 | int am_server = 0; |
| 54 | int am_sender=0; |
| 55 | int recurse = 0; |
| 56 | int am_daemon=0; |
| 57 | int am_client=0; |
| 58 | int do_stats=0; |
| 59 | int do_progress=0; |
| 60 | int keep_partial=0; |
| 61 | int safe_symlinks=0; |
| 62 | |
| 63 | int block_size=BLOCK_SIZE; |
| 64 | |
| 65 | char *backup_suffix = BACKUP_SUFFIX; |
| 66 | char *tmpdir = NULL; |
| 67 | char *compare_dest = NULL; |
| 68 | char *config_file = RSYNCD_CONF; |
| 69 | char *shell_cmd = NULL; |
| 70 | char *log_format = NULL; |
| 71 | |
| 72 | char *rsync_path = RSYNC_NAME; |
| 73 | int rsync_port = RSYNC_PORT; |
| 74 | |
| 75 | int verbose = 0; |
| 76 | int always_checksum = 0; |
| 77 | int list_only = 0; |
| 78 | |
| 79 | void usage(int F) |
| 80 | { |
| 81 | rprintf(F,"rsync version %s Copyright Andrew Tridgell and Paul Mackerras\n\n", |
| 82 | VERSION); |
| 83 | |
| 84 | rprintf(F,"rsync is a file transfer program capable of efficient remote update\nvia a fast differencing algorithm.\n\n"); |
| 85 | |
| 86 | rprintf(F,"Usage: rsync [OPTION]... SRC [USER@]HOST:DEST\n"); |
| 87 | rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC DEST\n"); |
| 88 | rprintf(F," or rsync [OPTION]... SRC DEST\n"); |
| 89 | rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC DEST\n"); |
| 90 | rprintf(F," or rsync [OPTION]... SRC [USER@]HOST::DEST\n"); |
| 91 | rprintf(F," or rsync [OPTION]... rsync://HOST[:PORT]/SRC DEST\n"); |
| 92 | rprintf(F,"\nOptions\n"); |
| 93 | rprintf(F," -v, --verbose increase verbosity\n"); |
| 94 | rprintf(F," -c, --checksum always checksum\n"); |
| 95 | rprintf(F," -a, --archive archive mode\n"); |
| 96 | rprintf(F," -r, --recursive recurse into directories\n"); |
| 97 | rprintf(F," -R, --relative use relative path names\n"); |
| 98 | rprintf(F," -b, --backup make backups (default ~ extension)\n"); |
| 99 | rprintf(F," -u, --update update only (don't overwrite newer files)\n"); |
| 100 | rprintf(F," -l, --links preserve soft links\n"); |
| 101 | rprintf(F," -L, --copy-links treat soft links like regular files\n"); |
| 102 | rprintf(F," --safe-links ignore links outside the destination tree\n"); |
| 103 | rprintf(F," -H, --hard-links preserve hard links\n"); |
| 104 | rprintf(F," -p, --perms preserve permissions\n"); |
| 105 | rprintf(F," -o, --owner preserve owner (root only)\n"); |
| 106 | rprintf(F," -g, --group preserve group\n"); |
| 107 | rprintf(F," -D, --devices preserve devices (root only)\n"); |
| 108 | rprintf(F," -t, --times preserve times\n"); |
| 109 | rprintf(F," -S, --sparse handle sparse files efficiently\n"); |
| 110 | rprintf(F," -n, --dry-run show what would have been transferred\n"); |
| 111 | rprintf(F," -W, --whole-file copy whole files, no incremental checks\n"); |
| 112 | rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n"); |
| 113 | rprintf(F," -B, --block-size=SIZE checksum blocking size\n"); |
| 114 | rprintf(F," -e, --rsh=COMMAND specify rsh replacement\n"); |
| 115 | rprintf(F," --rsync-path=PATH specify path to rsync on the remote machine\n"); |
| 116 | rprintf(F," -C, --cvs-exclude auto ignore files in the same way CVS does\n"); |
| 117 | rprintf(F," --delete delete files that don't exist on the sending side\n"); |
| 118 | rprintf(F," --partial keep partially transferred files\n"); |
| 119 | rprintf(F," --force force deletion of directories even if not empty\n"); |
| 120 | rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n"); |
| 121 | rprintf(F," --timeout=TIME set IO timeout in seconds\n"); |
| 122 | rprintf(F," -I, --ignore-times don't exclude files that match length and time\n"); |
| 123 | rprintf(F," -T --temp-dir=DIR create temporary files in directory DIR\n"); |
| 124 | rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n"); |
| 125 | rprintf(F," -z, --compress compress file data\n"); |
| 126 | rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n"); |
| 127 | rprintf(F," --exclude-from=FILE exclude patterns listed in FILE\n"); |
| 128 | rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n"); |
| 129 | rprintf(F," --include-from=FILE don't exclude patterns listed in FILE\n"); |
| 130 | rprintf(F," --suffix=SUFFIX override backup suffix\n"); |
| 131 | rprintf(F," --version print version number\n"); |
| 132 | rprintf(F," --daemon run as a rsync daemon\n"); |
| 133 | rprintf(F," --config=FILE specify alternate rsyncd.conf file\n"); |
| 134 | rprintf(F," --port=PORT specify alternate rsyncd port number\n"); |
| 135 | rprintf(F," --stats give some file transfer stats\n"); |
| 136 | rprintf(F," --progress show progress during transfer\n"); |
| 137 | rprintf(F," --log-format=FORMAT log file transfers using specified format\n"); |
| 138 | rprintf(F," -h, --help show this help screen\n"); |
| 139 | |
| 140 | rprintf(F,"\n"); |
| 141 | rprintf(F,"the backup suffix defaults to %s\n",BACKUP_SUFFIX); |
| 142 | rprintf(F,"the block size defaults to %d\n",BLOCK_SIZE); |
| 143 | |
| 144 | rprintf(F,"\nPlease see the rsync(1) and rsyncd.conf(5) man pages for full documentation\n"); |
| 145 | rprintf(F,"See http://samba.anu.edu.au/rsync/ for updates and bug reports\n"); |
| 146 | } |
| 147 | |
| 148 | enum {OPT_VERSION,OPT_SUFFIX,OPT_SENDER,OPT_SERVER,OPT_EXCLUDE, |
| 149 | OPT_EXCLUDE_FROM,OPT_DELETE,OPT_NUMERIC_IDS,OPT_RSYNC_PATH, |
| 150 | OPT_FORCE,OPT_TIMEOUT,OPT_DAEMON,OPT_CONFIG,OPT_PORT, |
| 151 | OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_STATS, OPT_PARTIAL, OPT_PROGRESS, |
| 152 | OPT_SAFE_LINKS, OPT_COMPARE_DEST, OPT_LOG_FORMAT}; |
| 153 | |
| 154 | static char *short_options = "oblLWHpguDCtcahvrRIxnSe:B:T:z"; |
| 155 | |
| 156 | static struct option long_options[] = { |
| 157 | {"version", 0, 0, OPT_VERSION}, |
| 158 | {"server", 0, 0, OPT_SERVER}, |
| 159 | {"sender", 0, 0, OPT_SENDER}, |
| 160 | {"delete", 0, 0, OPT_DELETE}, |
| 161 | {"force", 0, 0, OPT_FORCE}, |
| 162 | {"numeric-ids", 0, 0, OPT_NUMERIC_IDS}, |
| 163 | {"exclude", 1, 0, OPT_EXCLUDE}, |
| 164 | {"exclude-from",1, 0, OPT_EXCLUDE_FROM}, |
| 165 | {"include", 1, 0, OPT_INCLUDE}, |
| 166 | {"include-from",1, 0, OPT_INCLUDE_FROM}, |
| 167 | {"rsync-path", 1, 0, OPT_RSYNC_PATH}, |
| 168 | {"one-file-system",0, 0, 'x'}, |
| 169 | {"ignore-times",0, 0, 'I'}, |
| 170 | {"help", 0, 0, 'h'}, |
| 171 | {"dry-run", 0, 0, 'n'}, |
| 172 | {"sparse", 0, 0, 'S'}, |
| 173 | {"cvs-exclude", 0, 0, 'C'}, |
| 174 | {"archive", 0, 0, 'a'}, |
| 175 | {"checksum", 0, 0, 'c'}, |
| 176 | {"backup", 0, 0, 'b'}, |
| 177 | {"update", 0, 0, 'u'}, |
| 178 | {"verbose", 0, 0, 'v'}, |
| 179 | {"recursive", 0, 0, 'r'}, |
| 180 | {"relative", 0, 0, 'R'}, |
| 181 | {"devices", 0, 0, 'D'}, |
| 182 | {"perms", 0, 0, 'p'}, |
| 183 | {"links", 0, 0, 'l'}, |
| 184 | {"copy-links", 0, 0, 'L'}, |
| 185 | {"safe-links", 0, 0, OPT_SAFE_LINKS}, |
| 186 | {"whole-file", 0, 0, 'W'}, |
| 187 | {"hard-links", 0, 0, 'H'}, |
| 188 | {"owner", 0, 0, 'o'}, |
| 189 | {"group", 0, 0, 'g'}, |
| 190 | {"times", 0, 0, 't'}, |
| 191 | {"rsh", 1, 0, 'e'}, |
| 192 | {"suffix", 1, 0, OPT_SUFFIX}, |
| 193 | {"block-size", 1, 0, 'B'}, |
| 194 | {"timeout", 1, 0, OPT_TIMEOUT}, |
| 195 | {"temp-dir", 1, 0, 'T'}, |
| 196 | {"compare-dest", 1, 0, OPT_COMPARE_DEST}, |
| 197 | {"compress", 0, 0, 'z'}, |
| 198 | {"daemon", 0, 0, OPT_DAEMON}, |
| 199 | {"stats", 0, 0, OPT_STATS}, |
| 200 | {"progress", 0, 0, OPT_PROGRESS}, |
| 201 | {"partial", 0, 0, OPT_PARTIAL}, |
| 202 | {"config", 1, 0, OPT_CONFIG}, |
| 203 | {"port", 1, 0, OPT_PORT}, |
| 204 | {"log-format", 1, 0, OPT_LOG_FORMAT}, |
| 205 | {0,0,0,0}}; |
| 206 | |
| 207 | |
| 208 | int parse_arguments(int argc, char *argv[]) |
| 209 | { |
| 210 | int opt; |
| 211 | int option_index; |
| 212 | |
| 213 | while ((opt = getopt_long(argc, argv, |
| 214 | short_options, long_options, &option_index)) |
| 215 | != -1) { |
| 216 | switch (opt) { |
| 217 | case OPT_VERSION: |
| 218 | rprintf(FINFO,"rsync version %s protocol version %d\n\n", |
| 219 | VERSION,PROTOCOL_VERSION); |
| 220 | rprintf(FINFO,"Written by Andrew Tridgell and Paul Mackerras\n"); |
| 221 | exit_cleanup(0); |
| 222 | |
| 223 | case OPT_SUFFIX: |
| 224 | backup_suffix = optarg; |
| 225 | break; |
| 226 | |
| 227 | case OPT_RSYNC_PATH: |
| 228 | rsync_path = optarg; |
| 229 | break; |
| 230 | |
| 231 | case 'I': |
| 232 | ignore_times = 1; |
| 233 | break; |
| 234 | |
| 235 | case 'x': |
| 236 | one_file_system=1; |
| 237 | break; |
| 238 | |
| 239 | case OPT_DELETE: |
| 240 | delete_mode = 1; |
| 241 | break; |
| 242 | |
| 243 | case OPT_FORCE: |
| 244 | force_delete = 1; |
| 245 | break; |
| 246 | |
| 247 | case OPT_NUMERIC_IDS: |
| 248 | numeric_ids = 1; |
| 249 | break; |
| 250 | |
| 251 | case OPT_EXCLUDE: |
| 252 | add_exclude(optarg, 0); |
| 253 | break; |
| 254 | |
| 255 | case OPT_INCLUDE: |
| 256 | add_exclude(optarg, 1); |
| 257 | break; |
| 258 | |
| 259 | case OPT_EXCLUDE_FROM: |
| 260 | add_exclude_file(optarg,1, 0); |
| 261 | break; |
| 262 | |
| 263 | case OPT_INCLUDE_FROM: |
| 264 | add_exclude_file(optarg,1, 1); |
| 265 | break; |
| 266 | |
| 267 | case OPT_SAFE_LINKS: |
| 268 | safe_symlinks=1; |
| 269 | break; |
| 270 | |
| 271 | case 'h': |
| 272 | usage(FINFO); |
| 273 | exit_cleanup(0); |
| 274 | |
| 275 | case 'b': |
| 276 | make_backups=1; |
| 277 | break; |
| 278 | |
| 279 | case 'n': |
| 280 | dry_run=1; |
| 281 | break; |
| 282 | |
| 283 | case 'S': |
| 284 | sparse_files=1; |
| 285 | break; |
| 286 | |
| 287 | case 'C': |
| 288 | cvs_exclude=1; |
| 289 | break; |
| 290 | |
| 291 | case 'u': |
| 292 | update_only=1; |
| 293 | break; |
| 294 | |
| 295 | case 'l': |
| 296 | preserve_links=1; |
| 297 | break; |
| 298 | |
| 299 | case 'L': |
| 300 | copy_links=1; |
| 301 | break; |
| 302 | |
| 303 | case 'W': |
| 304 | whole_file=1; |
| 305 | break; |
| 306 | |
| 307 | case 'H': |
| 308 | #if SUPPORT_HARD_LINKS |
| 309 | preserve_hard_links=1; |
| 310 | #else |
| 311 | rprintf(FERROR,"ERROR: hard links not supported on this platform\n"); |
| 312 | return 0; |
| 313 | #endif |
| 314 | break; |
| 315 | |
| 316 | case 'p': |
| 317 | preserve_perms=1; |
| 318 | break; |
| 319 | |
| 320 | case 'o': |
| 321 | preserve_uid=1; |
| 322 | break; |
| 323 | |
| 324 | case 'g': |
| 325 | preserve_gid=1; |
| 326 | break; |
| 327 | |
| 328 | case 'D': |
| 329 | preserve_devices=1; |
| 330 | break; |
| 331 | |
| 332 | case 't': |
| 333 | preserve_times=1; |
| 334 | break; |
| 335 | |
| 336 | case 'c': |
| 337 | always_checksum=1; |
| 338 | break; |
| 339 | |
| 340 | case 'v': |
| 341 | verbose++; |
| 342 | break; |
| 343 | |
| 344 | case 'a': |
| 345 | recurse=1; |
| 346 | #if SUPPORT_LINKS |
| 347 | preserve_links=1; |
| 348 | #endif |
| 349 | preserve_perms=1; |
| 350 | preserve_times=1; |
| 351 | preserve_gid=1; |
| 352 | if (am_root) { |
| 353 | preserve_devices=1; |
| 354 | preserve_uid=1; |
| 355 | } |
| 356 | break; |
| 357 | |
| 358 | case OPT_SERVER: |
| 359 | am_server = 1; |
| 360 | break; |
| 361 | |
| 362 | case OPT_SENDER: |
| 363 | if (!am_server) { |
| 364 | usage(FERROR); |
| 365 | exit_cleanup(RERR_SYNTAX); |
| 366 | } |
| 367 | am_sender = 1; |
| 368 | break; |
| 369 | |
| 370 | case 'r': |
| 371 | recurse = 1; |
| 372 | break; |
| 373 | |
| 374 | case 'R': |
| 375 | relative_paths = 1; |
| 376 | break; |
| 377 | |
| 378 | case 'e': |
| 379 | shell_cmd = optarg; |
| 380 | break; |
| 381 | |
| 382 | case 'B': |
| 383 | block_size = atoi(optarg); |
| 384 | break; |
| 385 | |
| 386 | case OPT_TIMEOUT: |
| 387 | io_timeout = atoi(optarg); |
| 388 | break; |
| 389 | |
| 390 | case 'T': |
| 391 | tmpdir = optarg; |
| 392 | break; |
| 393 | |
| 394 | case OPT_COMPARE_DEST: |
| 395 | compare_dest = optarg; |
| 396 | break; |
| 397 | |
| 398 | case 'z': |
| 399 | do_compression = 1; |
| 400 | break; |
| 401 | |
| 402 | case OPT_DAEMON: |
| 403 | am_daemon = 1; |
| 404 | break; |
| 405 | |
| 406 | case OPT_STATS: |
| 407 | do_stats = 1; |
| 408 | break; |
| 409 | |
| 410 | case OPT_PROGRESS: |
| 411 | do_progress = 1; |
| 412 | break; |
| 413 | |
| 414 | case OPT_PARTIAL: |
| 415 | keep_partial = 1; |
| 416 | break; |
| 417 | |
| 418 | case OPT_CONFIG: |
| 419 | config_file = optarg; |
| 420 | break; |
| 421 | |
| 422 | case OPT_PORT: |
| 423 | rsync_port = atoi(optarg); |
| 424 | break; |
| 425 | |
| 426 | case OPT_LOG_FORMAT: |
| 427 | log_format = optarg; |
| 428 | break; |
| 429 | |
| 430 | default: |
| 431 | return 0; |
| 432 | } |
| 433 | } |
| 434 | return 1; |
| 435 | } |
| 436 | |
| 437 | |
| 438 | void server_options(char **args,int *argc) |
| 439 | { |
| 440 | int ac = *argc; |
| 441 | static char argstr[50]; |
| 442 | static char bsize[30]; |
| 443 | static char iotime[30]; |
| 444 | int i, x; |
| 445 | |
| 446 | args[ac++] = "--server"; |
| 447 | |
| 448 | if (!am_sender) |
| 449 | args[ac++] = "--sender"; |
| 450 | |
| 451 | x = 1; |
| 452 | argstr[0] = '-'; |
| 453 | for (i=0;i<verbose;i++) |
| 454 | argstr[x++] = 'v'; |
| 455 | if (make_backups) |
| 456 | argstr[x++] = 'b'; |
| 457 | if (update_only) |
| 458 | argstr[x++] = 'u'; |
| 459 | if (dry_run) |
| 460 | argstr[x++] = 'n'; |
| 461 | if (preserve_links) |
| 462 | argstr[x++] = 'l'; |
| 463 | if (copy_links) |
| 464 | argstr[x++] = 'L'; |
| 465 | if (whole_file) |
| 466 | argstr[x++] = 'W'; |
| 467 | if (preserve_hard_links) |
| 468 | argstr[x++] = 'H'; |
| 469 | if (preserve_uid) |
| 470 | argstr[x++] = 'o'; |
| 471 | if (preserve_gid) |
| 472 | argstr[x++] = 'g'; |
| 473 | if (preserve_devices) |
| 474 | argstr[x++] = 'D'; |
| 475 | if (preserve_times) |
| 476 | argstr[x++] = 't'; |
| 477 | if (preserve_perms) |
| 478 | argstr[x++] = 'p'; |
| 479 | if (recurse) |
| 480 | argstr[x++] = 'r'; |
| 481 | if (always_checksum) |
| 482 | argstr[x++] = 'c'; |
| 483 | if (cvs_exclude) |
| 484 | argstr[x++] = 'C'; |
| 485 | if (ignore_times) |
| 486 | argstr[x++] = 'I'; |
| 487 | if (relative_paths) |
| 488 | argstr[x++] = 'R'; |
| 489 | if (one_file_system) |
| 490 | argstr[x++] = 'x'; |
| 491 | if (sparse_files) |
| 492 | argstr[x++] = 'S'; |
| 493 | if (do_compression) |
| 494 | argstr[x++] = 'z'; |
| 495 | argstr[x] = 0; |
| 496 | |
| 497 | if (x != 1) args[ac++] = argstr; |
| 498 | |
| 499 | if (block_size != BLOCK_SIZE) { |
| 500 | sprintf(bsize,"-B%d",block_size); |
| 501 | args[ac++] = bsize; |
| 502 | } |
| 503 | |
| 504 | if (io_timeout) { |
| 505 | sprintf(iotime,"--timeout=%d",io_timeout); |
| 506 | args[ac++] = iotime; |
| 507 | } |
| 508 | |
| 509 | if (strcmp(backup_suffix, BACKUP_SUFFIX)) { |
| 510 | args[ac++] = "--suffix"; |
| 511 | args[ac++] = backup_suffix; |
| 512 | } |
| 513 | |
| 514 | if (delete_mode) |
| 515 | args[ac++] = "--delete"; |
| 516 | |
| 517 | if (keep_partial) |
| 518 | args[ac++] = "--partial"; |
| 519 | |
| 520 | if (force_delete) |
| 521 | args[ac++] = "--force"; |
| 522 | |
| 523 | if (safe_symlinks) |
| 524 | args[ac++] = "--safe-links"; |
| 525 | |
| 526 | if (numeric_ids) |
| 527 | args[ac++] = "--numeric-ids"; |
| 528 | |
| 529 | if (tmpdir) { |
| 530 | args[ac++] = "--temp-dir"; |
| 531 | args[ac++] = tmpdir; |
| 532 | } |
| 533 | |
| 534 | if (compare_dest && am_sender) { |
| 535 | /* the server only needs this option if it is not the sender, |
| 536 | * and it may be an older version that doesn't know this |
| 537 | * option, so don't send it if client is the sender. |
| 538 | */ |
| 539 | args[ac++] = "--compare-dest"; |
| 540 | args[ac++] = compare_dest; |
| 541 | } |
| 542 | |
| 543 | |
| 544 | *argc = ac; |
| 545 | } |
| 546 | |