752 lines
19 KiB
C
752 lines
19 KiB
C
/*
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Copyright (C) Andrew Tridgell 1998
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* options parsing code */
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#include "rsync.h"
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int make_backups = 0;
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int whole_file = 0;
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int copy_links = 0;
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int preserve_links = 0;
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int preserve_hard_links = 0;
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int preserve_perms = 0;
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int preserve_devices = 0;
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int preserve_uid = 0;
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int preserve_gid = 0;
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int preserve_times = 0;
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int update_only = 0;
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int cvs_exclude = 0;
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int dry_run=0;
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int local_server=0;
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int ignore_times=0;
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int delete_mode=0;
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int delete_excluded=0;
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int one_file_system=0;
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int remote_version=0;
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int sparse_files=0;
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int do_compression=0;
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int am_root=0;
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int orig_umask=0;
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int relative_paths=0;
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int numeric_ids = 0;
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int force_delete = 0;
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int io_timeout = 0;
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int io_error = 0;
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int read_only = 0;
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int module_id = -1;
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int am_server = 0;
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int am_sender=0;
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int recurse = 0;
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int am_daemon=0;
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int do_stats=0;
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int do_progress=0;
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int keep_partial=0;
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int safe_symlinks=0;
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int copy_unsafe_links=0;
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int block_size=BLOCK_SIZE;
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int size_only=0;
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int bwlimit=0;
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int delete_after=0;
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int only_existing=0;
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int max_delete=0;
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int ignore_errors=0;
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int blocking_io=0;
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char *backup_suffix = BACKUP_SUFFIX;
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char *tmpdir = NULL;
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char *compare_dest = NULL;
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char *config_file = RSYNCD_CONF;
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char *shell_cmd = NULL;
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char *log_format = NULL;
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char *password_file = NULL;
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char *rsync_path = RSYNC_NAME;
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char *backup_dir = NULL;
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int rsync_port = RSYNC_PORT;
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int verbose = 0;
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int quiet = 0;
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int always_checksum = 0;
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int list_only = 0;
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struct in_addr socket_address = {INADDR_ANY};
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void usage(enum logcode F)
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{
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rprintf(F,"rsync version %s Copyright Andrew Tridgell and Paul Mackerras\n\n",
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VERSION);
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rprintf(F,"rsync is a file transfer program capable of efficient remote update\nvia a fast differencing algorithm.\n\n");
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rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
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rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC DEST\n");
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rprintf(F," or rsync [OPTION]... SRC [SRC]... DEST\n");
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rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
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rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
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rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
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rprintf(F,"SRC on single-colon remote HOST will be expanded by remote shell\n");
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rprintf(F,"SRC on server remote HOST may contain shell wildcards or multiple\n");
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rprintf(F," sources separated by space as long as they have same top-level\n");
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rprintf(F,"\nOptions\n");
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rprintf(F," -v, --verbose increase verbosity\n");
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rprintf(F," -q, --quiet decrease verbosity\n");
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rprintf(F," -c, --checksum always checksum\n");
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rprintf(F," -a, --archive archive mode\n");
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rprintf(F," -r, --recursive recurse into directories\n");
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rprintf(F," -R, --relative use relative path names\n");
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rprintf(F," -b, --backup make backups (default %s suffix)\n",BACKUP_SUFFIX);
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rprintf(F," --backup-dir make backups into this directory\n");
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rprintf(F," --suffix=SUFFIX override backup suffix\n");
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rprintf(F," -u, --update update only (don't overwrite newer files)\n");
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rprintf(F," -l, --links preserve soft links\n");
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rprintf(F," -L, --copy-links treat soft links like regular files\n");
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rprintf(F," --copy-unsafe-links copy links outside the source tree\n");
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rprintf(F," --safe-links ignore links outside the destination tree\n");
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rprintf(F," -H, --hard-links preserve hard links\n");
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rprintf(F," -p, --perms preserve permissions\n");
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rprintf(F," -o, --owner preserve owner (root only)\n");
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rprintf(F," -g, --group preserve group\n");
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rprintf(F," -D, --devices preserve devices (root only)\n");
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rprintf(F," -t, --times preserve times\n");
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rprintf(F," -S, --sparse handle sparse files efficiently\n");
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rprintf(F," -n, --dry-run show what would have been transferred\n");
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rprintf(F," -W, --whole-file copy whole files, no incremental checks\n");
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rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
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rprintf(F," -B, --block-size=SIZE checksum blocking size (default %d)\n",BLOCK_SIZE);
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rprintf(F," -e, --rsh=COMMAND specify rsh replacement\n");
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rprintf(F," --rsync-path=PATH specify path to rsync on the remote machine\n");
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rprintf(F," -C, --cvs-exclude auto ignore files in the same way CVS does\n");
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rprintf(F," --existing only update files that already exist\n");
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rprintf(F," --delete delete files that don't exist on the sending side\n");
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rprintf(F," --delete-excluded also delete excluded files on the receiving side\n");
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rprintf(F," --delete-after delete after transferring, not before\n");
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rprintf(F," --ignore-errors delete even if there are IO errors\n");
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rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
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rprintf(F," --partial keep partially transferred files\n");
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rprintf(F," --force force deletion of directories even if not empty\n");
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rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
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rprintf(F," --timeout=TIME set IO timeout in seconds\n");
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rprintf(F," -I, --ignore-times don't exclude files that match length and time\n");
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rprintf(F," --size-only only use file size when determining if a file should be transferred\n");
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rprintf(F," -T --temp-dir=DIR create temporary files in directory DIR\n");
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rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
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rprintf(F," -P equivalent to --partial --progress\n");
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rprintf(F," -z, --compress compress file data\n");
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rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
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rprintf(F," --exclude-from=FILE exclude patterns listed in FILE\n");
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rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
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rprintf(F," --include-from=FILE don't exclude patterns listed in FILE\n");
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rprintf(F," --version print version number\n");
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rprintf(F," --daemon run as a rsync daemon\n");
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rprintf(F," --address bind to the specified address\n");
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rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
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rprintf(F," --port=PORT specify alternate rsyncd port number\n");
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rprintf(F," --blocking-io use blocking IO for the remote shell\n");
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rprintf(F," --stats give some file transfer stats\n");
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rprintf(F," --progress show progress during transfer\n");
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rprintf(F," --log-format=FORMAT log file transfers using specified format\n");
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rprintf(F," --password-file=FILE get password from FILE\n");
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rprintf(F," --bwlimit=KBPS limit I/O bandwidth, KBytes per second\n");
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rprintf(F," -h, --help show this help screen\n");
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rprintf(F,"\n");
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rprintf(F,"\nPlease see the rsync(1) and rsyncd.conf(5) man pages for full documentation\n");
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rprintf(F,"See http://rsync.samba.org/ for updates and bug reports\n");
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}
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enum {OPT_VERSION, OPT_SUFFIX, OPT_SENDER, OPT_SERVER, OPT_EXCLUDE,
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OPT_EXCLUDE_FROM, OPT_DELETE, OPT_DELETE_EXCLUDED, OPT_NUMERIC_IDS,
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OPT_RSYNC_PATH, OPT_FORCE, OPT_TIMEOUT, OPT_DAEMON, OPT_CONFIG, OPT_PORT,
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OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_STATS, OPT_PARTIAL, OPT_PROGRESS,
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OPT_COPY_UNSAFE_LINKS, OPT_SAFE_LINKS, OPT_COMPARE_DEST,
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OPT_LOG_FORMAT, OPT_PASSWORD_FILE, OPT_SIZE_ONLY, OPT_ADDRESS,
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OPT_DELETE_AFTER, OPT_EXISTING, OPT_MAX_DELETE, OPT_BACKUP_DIR,
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OPT_IGNORE_ERRORS, OPT_BWLIMIT, OPT_BLOCKING_IO};
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static char *short_options = "oblLWHpguDCtcahvqrRIxnSe:B:T:zP";
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static struct option long_options[] = {
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{"version", 0, 0, OPT_VERSION},
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{"server", 0, 0, OPT_SERVER},
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{"sender", 0, 0, OPT_SENDER},
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{"existing", 0, 0, OPT_EXISTING},
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{"delete", 0, 0, OPT_DELETE},
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{"delete-excluded", 0, 0, OPT_DELETE_EXCLUDED},
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{"force", 0, 0, OPT_FORCE},
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{"numeric-ids", 0, 0, OPT_NUMERIC_IDS},
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{"exclude", 1, 0, OPT_EXCLUDE},
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{"exclude-from",1, 0, OPT_EXCLUDE_FROM},
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{"include", 1, 0, OPT_INCLUDE},
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{"include-from",1, 0, OPT_INCLUDE_FROM},
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{"rsync-path", 1, 0, OPT_RSYNC_PATH},
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{"password-file", 1, 0, OPT_PASSWORD_FILE},
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{"one-file-system",0, 0, 'x'},
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{"ignore-times",0, 0, 'I'},
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{"size-only", 0, 0, OPT_SIZE_ONLY},
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{"help", 0, 0, 'h'},
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{"dry-run", 0, 0, 'n'},
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{"sparse", 0, 0, 'S'},
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{"cvs-exclude", 0, 0, 'C'},
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{"archive", 0, 0, 'a'},
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{"checksum", 0, 0, 'c'},
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{"backup", 0, 0, 'b'},
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{"update", 0, 0, 'u'},
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{"verbose", 0, 0, 'v'},
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{"quiet", 0, 0, 'q'},
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{"recursive", 0, 0, 'r'},
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{"relative", 0, 0, 'R'},
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{"devices", 0, 0, 'D'},
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{"perms", 0, 0, 'p'},
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{"links", 0, 0, 'l'},
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{"copy-links", 0, 0, 'L'},
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{"copy-unsafe-links", 0, 0, OPT_COPY_UNSAFE_LINKS},
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{"safe-links", 0, 0, OPT_SAFE_LINKS},
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{"whole-file", 0, 0, 'W'},
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{"hard-links", 0, 0, 'H'},
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{"owner", 0, 0, 'o'},
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{"group", 0, 0, 'g'},
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{"times", 0, 0, 't'},
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{"rsh", 1, 0, 'e'},
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{"suffix", 1, 0, OPT_SUFFIX},
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{"block-size", 1, 0, 'B'},
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{"timeout", 1, 0, OPT_TIMEOUT},
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{"temp-dir", 1, 0, 'T'},
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{"compare-dest", 1, 0, OPT_COMPARE_DEST},
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{"compress", 0, 0, 'z'},
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{"daemon", 0, 0, OPT_DAEMON},
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{"stats", 0, 0, OPT_STATS},
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{"progress", 0, 0, OPT_PROGRESS},
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{"partial", 0, 0, OPT_PARTIAL},
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{"delete-after",0, 0, OPT_DELETE_AFTER},
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{"ignore-errors",0, 0, OPT_IGNORE_ERRORS},
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{"blocking-io" ,0, 0, OPT_BLOCKING_IO},
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{"config", 1, 0, OPT_CONFIG},
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{"port", 1, 0, OPT_PORT},
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{"log-format", 1, 0, OPT_LOG_FORMAT},
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{"bwlimit", 1, 0, OPT_BWLIMIT},
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{"address", 1, 0, OPT_ADDRESS},
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{"max-delete", 1, 0, OPT_MAX_DELETE},
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{"backup-dir", 1, 0, OPT_BACKUP_DIR},
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{0,0,0,0}};
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static char err_buf[100];
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void option_error(void)
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{
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if (err_buf[0]) {
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rprintf(FLOG,"%s", err_buf);
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rprintf(FERROR,"%s", err_buf);
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} else {
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rprintf(FLOG,"Error parsing options - unsupported option?\n");
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rprintf(FERROR,"Error parsing options - unsupported option?\n");
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}
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exit_cleanup(RERR_UNSUPPORTED);
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}
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/* check to see if we should refuse this option */
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static int check_refuse_options(char *ref, int opt)
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{
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int i, len;
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char *p;
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const char *name;
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for (i=0; long_options[i].name; i++) {
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if (long_options[i].val == opt) break;
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}
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if (!long_options[i].name) return 0;
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name = long_options[i].name;
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len = strlen(name);
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while ((p = strstr(ref,name))) {
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if ((p==ref || p[-1]==' ') &&
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(p[len] == ' ' || p[len] == 0)) {
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slprintf(err_buf,sizeof(err_buf),
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"The '%s' option is not supported by this server\n", name);
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return 1;
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}
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ref += len;
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}
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return 0;
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}
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int parse_arguments(int argc, char *argv[], int frommain)
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{
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int opt;
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int option_index;
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char *ref = lp_refuse_options(module_id);
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while ((opt = getopt_long(argc, argv,
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short_options, long_options, &option_index))
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!= -1) {
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if (ref) {
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if (check_refuse_options(ref, opt)) return 0;
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}
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switch (opt) {
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case OPT_VERSION:
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rprintf(FINFO,"rsync version %s protocol version %d\n\n",
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VERSION,PROTOCOL_VERSION);
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rprintf(FINFO,"Written by Andrew Tridgell and Paul Mackerras\n");
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exit_cleanup(0);
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case OPT_SUFFIX:
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backup_suffix = optarg;
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break;
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case OPT_RSYNC_PATH:
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rsync_path = optarg;
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break;
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case OPT_PASSWORD_FILE:
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password_file =optarg;
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break;
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case 'I':
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ignore_times = 1;
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break;
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case OPT_SIZE_ONLY:
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size_only = 1;
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break;
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case 'x':
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one_file_system=1;
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break;
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case OPT_DELETE:
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delete_mode = 1;
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break;
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case OPT_EXISTING:
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only_existing = 1;
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break;
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case OPT_DELETE_AFTER:
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delete_after = 1;
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break;
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case OPT_DELETE_EXCLUDED:
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delete_excluded = 1;
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delete_mode = 1;
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break;
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case OPT_FORCE:
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force_delete = 1;
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break;
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case OPT_NUMERIC_IDS:
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numeric_ids = 1;
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break;
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case OPT_EXCLUDE:
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add_exclude(optarg, 0);
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break;
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case OPT_INCLUDE:
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add_exclude(optarg, 1);
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break;
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case OPT_EXCLUDE_FROM:
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add_exclude_file(optarg,1, 0);
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break;
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case OPT_INCLUDE_FROM:
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add_exclude_file(optarg,1, 1);
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break;
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case OPT_COPY_UNSAFE_LINKS:
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copy_unsafe_links=1;
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break;
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case OPT_SAFE_LINKS:
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safe_symlinks=1;
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break;
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case 'h':
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usage(FINFO);
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exit_cleanup(0);
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case 'b':
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make_backups=1;
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break;
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case 'n':
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dry_run=1;
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break;
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case 'S':
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sparse_files=1;
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break;
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case 'C':
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cvs_exclude=1;
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break;
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case 'u':
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update_only=1;
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break;
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case 'l':
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preserve_links=1;
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break;
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case 'L':
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copy_links=1;
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break;
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case 'W':
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whole_file=1;
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break;
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case 'H':
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#if SUPPORT_HARD_LINKS
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preserve_hard_links=1;
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#else
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slprintf(err_buf,sizeof(err_buf),"hard links are not supported on this server\n");
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rprintf(FERROR,"ERROR: hard links not supported on this platform\n");
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return 0;
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#endif
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break;
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case 'p':
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preserve_perms=1;
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break;
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case 'o':
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preserve_uid=1;
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break;
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case 'g':
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preserve_gid=1;
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break;
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case 'D':
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preserve_devices=1;
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break;
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case 't':
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preserve_times=1;
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break;
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case 'c':
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always_checksum=1;
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break;
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case 'v':
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verbose++;
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break;
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case 'q':
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if (frommain) quiet++;
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break;
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case 'a':
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recurse=1;
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#if SUPPORT_LINKS
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preserve_links=1;
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#endif
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preserve_perms=1;
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preserve_times=1;
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preserve_gid=1;
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preserve_uid=1;
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preserve_devices=1;
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break;
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case OPT_SERVER:
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am_server = 1;
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break;
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case OPT_SENDER:
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if (!am_server) {
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usage(FERROR);
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exit_cleanup(RERR_SYNTAX);
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}
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am_sender = 1;
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break;
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case 'r':
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recurse = 1;
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break;
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case 'R':
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relative_paths = 1;
|
|
break;
|
|
|
|
case 'e':
|
|
shell_cmd = optarg;
|
|
break;
|
|
|
|
case 'B':
|
|
block_size = atoi(optarg);
|
|
break;
|
|
|
|
case OPT_MAX_DELETE:
|
|
max_delete = atoi(optarg);
|
|
break;
|
|
|
|
case OPT_TIMEOUT:
|
|
io_timeout = atoi(optarg);
|
|
break;
|
|
|
|
case 'T':
|
|
tmpdir = optarg;
|
|
break;
|
|
|
|
case OPT_COMPARE_DEST:
|
|
compare_dest = optarg;
|
|
break;
|
|
|
|
case 'z':
|
|
do_compression = 1;
|
|
break;
|
|
|
|
case OPT_DAEMON:
|
|
am_daemon = 1;
|
|
break;
|
|
|
|
case OPT_STATS:
|
|
do_stats = 1;
|
|
break;
|
|
|
|
case OPT_PROGRESS:
|
|
do_progress = 1;
|
|
break;
|
|
|
|
case OPT_PARTIAL:
|
|
keep_partial = 1;
|
|
break;
|
|
|
|
case OPT_IGNORE_ERRORS:
|
|
ignore_errors = 1;
|
|
break;
|
|
|
|
case OPT_BLOCKING_IO:
|
|
blocking_io = 1;
|
|
break;
|
|
|
|
case 'P':
|
|
do_progress = 1;
|
|
keep_partial = 1;
|
|
break;
|
|
|
|
case OPT_CONFIG:
|
|
config_file = optarg;
|
|
break;
|
|
|
|
case OPT_PORT:
|
|
rsync_port = atoi(optarg);
|
|
break;
|
|
|
|
case OPT_LOG_FORMAT:
|
|
log_format = optarg;
|
|
break;
|
|
|
|
case OPT_BWLIMIT:
|
|
bwlimit = atoi(optarg);
|
|
break;
|
|
|
|
case OPT_ADDRESS:
|
|
{
|
|
struct in_addr *ia;
|
|
if ((ia = ip_address(optarg))) {
|
|
socket_address = *ia;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case OPT_BACKUP_DIR:
|
|
backup_dir = optarg;
|
|
break;
|
|
|
|
default:
|
|
slprintf(err_buf,sizeof(err_buf),"unrecognised option\n");
|
|
return 0;
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
|
|
/* need to pass all the valid options from the client to the server */
|
|
|
|
void server_options(char **args,int *argc)
|
|
{
|
|
int ac = *argc;
|
|
static char argstr[50];
|
|
static char bsize[30];
|
|
static char iotime[30];
|
|
static char mdelete[30];
|
|
static char bw[50];
|
|
|
|
int i, x;
|
|
|
|
args[ac++] = "--server";
|
|
|
|
if (!am_sender)
|
|
args[ac++] = "--sender";
|
|
|
|
x = 1;
|
|
argstr[0] = '-';
|
|
for (i=0;i<verbose;i++)
|
|
argstr[x++] = 'v';
|
|
|
|
/* the -q option is intentionally left out */
|
|
if (make_backups)
|
|
argstr[x++] = 'b';
|
|
if (update_only)
|
|
argstr[x++] = 'u';
|
|
if (dry_run)
|
|
argstr[x++] = 'n';
|
|
if (preserve_links)
|
|
argstr[x++] = 'l';
|
|
if (copy_links)
|
|
argstr[x++] = 'L';
|
|
if (whole_file)
|
|
argstr[x++] = 'W';
|
|
if (preserve_hard_links)
|
|
argstr[x++] = 'H';
|
|
if (preserve_uid)
|
|
argstr[x++] = 'o';
|
|
if (preserve_gid)
|
|
argstr[x++] = 'g';
|
|
if (preserve_devices)
|
|
argstr[x++] = 'D';
|
|
if (preserve_times)
|
|
argstr[x++] = 't';
|
|
if (preserve_perms)
|
|
argstr[x++] = 'p';
|
|
if (recurse)
|
|
argstr[x++] = 'r';
|
|
if (always_checksum)
|
|
argstr[x++] = 'c';
|
|
if (cvs_exclude)
|
|
argstr[x++] = 'C';
|
|
if (ignore_times)
|
|
argstr[x++] = 'I';
|
|
if (relative_paths)
|
|
argstr[x++] = 'R';
|
|
if (one_file_system)
|
|
argstr[x++] = 'x';
|
|
if (sparse_files)
|
|
argstr[x++] = 'S';
|
|
if (do_compression)
|
|
argstr[x++] = 'z';
|
|
|
|
/* this is a complete hack - blame Rusty
|
|
|
|
this is a hack to make the list_only (remote file list)
|
|
more useful */
|
|
if (list_only && !recurse)
|
|
argstr[x++] = 'r';
|
|
|
|
argstr[x] = 0;
|
|
|
|
if (x != 1) args[ac++] = argstr;
|
|
|
|
if (block_size != BLOCK_SIZE) {
|
|
slprintf(bsize,sizeof(bsize),"-B%d",block_size);
|
|
args[ac++] = bsize;
|
|
}
|
|
|
|
if (max_delete && am_sender) {
|
|
slprintf(mdelete,sizeof(mdelete),"--max-delete=%d",max_delete);
|
|
args[ac++] = mdelete;
|
|
}
|
|
|
|
if (io_timeout) {
|
|
slprintf(iotime,sizeof(iotime),"--timeout=%d",io_timeout);
|
|
args[ac++] = iotime;
|
|
}
|
|
|
|
if (bwlimit) {
|
|
slprintf(bw,sizeof(bw),"--bwlimit=%d",bwlimit);
|
|
args[ac++] = bw;
|
|
}
|
|
|
|
if (strcmp(backup_suffix, BACKUP_SUFFIX)) {
|
|
args[ac++] = "--suffix";
|
|
args[ac++] = backup_suffix;
|
|
}
|
|
|
|
if (delete_mode && !delete_excluded)
|
|
args[ac++] = "--delete";
|
|
|
|
if (delete_excluded)
|
|
args[ac++] = "--delete-excluded";
|
|
|
|
if (size_only)
|
|
args[ac++] = "--size-only";
|
|
|
|
if (keep_partial)
|
|
args[ac++] = "--partial";
|
|
|
|
if (force_delete)
|
|
args[ac++] = "--force";
|
|
|
|
if (delete_after)
|
|
args[ac++] = "--delete-after";
|
|
|
|
if (ignore_errors)
|
|
args[ac++] = "--ignore-errors";
|
|
|
|
if (copy_unsafe_links)
|
|
args[ac++] = "--copy-unsafe-links";
|
|
|
|
if (safe_symlinks)
|
|
args[ac++] = "--safe-links";
|
|
|
|
if (numeric_ids)
|
|
args[ac++] = "--numeric-ids";
|
|
|
|
if (only_existing && am_sender)
|
|
args[ac++] = "--existing";
|
|
|
|
if (tmpdir) {
|
|
args[ac++] = "--temp-dir";
|
|
args[ac++] = tmpdir;
|
|
}
|
|
|
|
if (backup_dir && am_sender) {
|
|
/* only the receiver needs this option, if we are the sender
|
|
* then we need to send it to the receiver.
|
|
*/
|
|
args[ac++] = "--backup-dir";
|
|
args[ac++] = backup_dir;
|
|
}
|
|
|
|
if (compare_dest && am_sender) {
|
|
/* the server only needs this option if it is not the sender,
|
|
* and it may be an older version that doesn't know this
|
|
* option, so don't send it if client is the sender.
|
|
*/
|
|
args[ac++] = "--compare-dest";
|
|
args[ac++] = compare_dest;
|
|
}
|
|
|
|
|
|
*argc = ac;
|
|
}
|
|
|