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7eaabd8fac9e31e2fb749984730d830c6de5fe94
rsync/options.c
Wayne Davison 7eaabd8fac Decided to undo the last change to avoid backward compatibility 
inconsistencies (it would have been the right thing to do if it
were done that way from the start, but not now).
2006-02-03 23:40:37 +00:00

1810 lines
57 KiB
C
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/* -*- c-file-style: "linux" -*-
*
* Copyright (C) 1998-2001 by Andrew Tridgell <tridge@samba.org>
* Copyright (C) 2000, 2001, 2002 by Martin Pool <mbp@samba.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "rsync.h"
#include <popt.h>
#include "zlib/zlib.h"
extern int module_id;
extern int sanitize_paths;
extern struct filter_list_struct filter_list;
extern struct filter_list_struct server_filter_list;
int make_backups = 0;
/**
* If 1, send the whole file as literal data rather than trying to
* create an incremental diff.
*
* If -1, then look at whether we're local or remote and go by that.
*
* @sa disable_deltas_p()
**/
int whole_file = -1;
int append_mode = 0;
int keep_dirlinks = 0;
int copy_links = 0;
int preserve_links = 0;
int preserve_hard_links = 0;
int preserve_perms = 0;
int preserve_executability = 0;
int preserve_devices = 0;
int preserve_specials = 0;
int preserve_uid = 0;
int preserve_gid = 0;
int preserve_times = 0;
int omit_dir_times = 0;
int update_only = 0;
int cvs_exclude = 0;
int dry_run = 0;
int do_xfers = 1;
int ignore_times = 0;
int saw_delete_opt = 0;
int saw_delete_excluded_opt = 0;
int delete_mode = 0;
int delete_during = 0;
int delete_before = 0;
int delete_after = 0;
int delete_excluded = 0;
int remove_sent_files = 0;
int one_file_system = 0;
int protocol_version = PROTOCOL_VERSION;
int sparse_files = 0;
int do_compression = 0;
int def_compress_level = Z_DEFAULT_COMPRESSION;
int am_root = 0;
int am_server = 0;
int am_sender = 0;
int am_generator = 0;
int am_starting_up = 1;
int orig_umask = 0;
int relative_paths = -1;
int implied_dirs = 1;
int numeric_ids = 0;
int force_delete = 0;
int io_timeout = 0;
int allowed_lull = 0;
int prune_empty_dirs = 0;
char *files_from = NULL;
int filesfrom_fd = -1;
char *filesfrom_host = NULL;
int eol_nulls = 0;
int human_readable = 0;
int recurse = 0;
int xfer_dirs = -1;
int am_daemon = 0;
int daemon_over_rsh = 0;
int do_stats = 0;
int do_progress = 0;
int keep_partial = 0;
int safe_symlinks = 0;
int copy_unsafe_links = 0;
int size_only = 0;
int daemon_bwlimit = 0;
int bwlimit = 0;
int fuzzy_basis = 0;
size_t bwlimit_writemax = 0;
int ignore_existing = 0;
int ignore_non_existing = 0;
int need_messages_from_generator = 0;
int max_delete = 0;
OFF_T max_size = 0;
OFF_T min_size = 0;
int ignore_errors = 0;
int modify_window = 0;
int blocking_io = -1;
int checksum_seed = 0;
int inplace = 0;
int delay_updates = 0;
long block_size = 0; /* "long" because popt can't set an int32. */
/** Network address family. **/
#ifdef INET6
int default_af_hint = 0; /* Any protocol */
#else
int default_af_hint = AF_INET; /* Must use IPv4 */
#endif
/** Do not go into the background when run as --daemon. Good
* for debugging and required for running as a service on W32,
* or under Unix process-monitors. **/
int no_detach
#if defined _WIN32 || defined __WIN32__
= 1;
#else
= 0;
#endif
int write_batch = 0;
int read_batch = 0;
int backup_dir_len = 0;
int backup_suffix_len;
unsigned int backup_dir_remainder;
char *backup_suffix = NULL;
char *tmpdir = NULL;
char *partial_dir = NULL;
char *basis_dir[MAX_BASIS_DIRS+1];
char *config_file = NULL;
char *shell_cmd = NULL;
char *log_format = NULL;
char *password_file = NULL;
char *rsync_path = RSYNC_PATH;
char *backup_dir = NULL;
char backup_dir_buf[MAXPATHLEN];
char *sockopts = NULL;
int rsync_port = 0;
int compare_dest = 0;
int copy_dest = 0;
int link_dest = 0;
int basis_dir_cnt = 0;
char *dest_option = NULL;
int verbose = 0;
int quiet = 0;
int log_before_transfer = 0;
int log_format_has_i = 0;
int log_format_has_o_or_i = 0;
int always_checksum = 0;
int list_only = 0;
#define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
char *batch_name = NULL;
struct chmod_mode_struct *chmod_modes = NULL;
static int daemon_opt; /* sets am_daemon after option error-reporting */
static int F_option_cnt = 0;
static int modify_window_set;
static int itemize_changes = 0;
static int refused_delete, refused_archive_part, refused_compress;
static int refused_partial, refused_progress, refused_delete_before;
static int refused_inplace;
static char *max_size_arg, *min_size_arg;
static char tmp_partialdir[] = ".~tmp~";
/** Local address to bind. As a character string because it's
* interpreted by the IPv6 layer: should be a numeric IP4 or IP6
* address, or a hostname. **/
char *bind_address;
static void print_rsync_version(enum logcode f)
{
char const *got_socketpair = "no ";
char const *have_inplace = "no ";
char const *hardlinks = "no ";
char const *links = "no ";
char const *ipv6 = "no ";
STRUCT_STAT *dumstat;
#ifdef HAVE_SOCKETPAIR
got_socketpair = "";
#endif
#ifdef HAVE_FTRUNCATE
have_inplace = "";
#endif
#ifdef SUPPORT_HARD_LINKS
hardlinks = "";
#endif
#ifdef SUPPORT_LINKS
links = "";
#endif
#ifdef INET6
ipv6 = "";
#endif
rprintf(f, "%s version %s protocol version %d\n",
RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION);
rprintf(f, "Copyright (C) 1996-2006 by Andrew Tridgell, Wayne Davison, and others.\n");
rprintf(f, "<http://rsync.samba.org/>\n");
rprintf(f, "Capabilities: %d-bit files, %ssocketpairs, "
"%shard links, %ssymlinks, batchfiles,\n",
(int) (sizeof (OFF_T) * 8),
got_socketpair, hardlinks, links);
/* Note that this field may not have type ino_t. It depends
* on the complicated interaction between largefile feature
* macros. */
rprintf(f, " %sinplace, %sIPv6, "
"%d-bit system inums, %d-bit internal inums\n",
have_inplace, ipv6,
(int) (sizeof dumstat->st_ino * 8),
(int) (sizeof (int64) * 8));
#ifdef MAINTAINER_MODE
rprintf(f, "Panic Action: \"%s\"\n", get_panic_action());
#endif
#if SIZEOF_INT64 < 8
rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
#endif
if (sizeof (int64) != SIZEOF_INT64) {
rprintf(f,
"WARNING: size mismatch in SIZEOF_INT64 define (%d != %d)\n",
(int) SIZEOF_INT64, (int) sizeof (int64));
}
rprintf(f,"\nrsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n");
rprintf(f,"are welcome to redistribute it under certain conditions. See the GNU\n");
rprintf(f,"General Public Licence for details.\n");
}
void usage(enum logcode F)
{
print_rsync_version(F);
rprintf(F,"\nrsync is a file transfer program capable of efficient remote update\n");
rprintf(F,"via a fast differencing algorithm.\n");
rprintf(F,"\nUsage: rsync [OPTION]... SRC [SRC]... DEST\n");
rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC [DEST]\n");
rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
rprintf(F,"The ':' usages connect via remote shell, while '::' & 'rsync://' usages connect\n");
rprintf(F,"to an rsync daemon, and require SRC or DEST to start with a module name.\n");
rprintf(F,"\nOptions\n");
rprintf(F," -v, --verbose increase verbosity\n");
rprintf(F," -q, --quiet suppress non-error messages\n");
rprintf(F," -c, --checksum skip based on checksum, not mod-time & size\n");
rprintf(F," -a, --archive archive mode; same as -rlptgoD (no -H)\n");
rprintf(F," --no-OPTION turn off an implied OPTION (e.g. --no-D)\n");
rprintf(F," -r, --recursive recurse into directories\n");
rprintf(F," -R, --relative use relative path names\n");
rprintf(F," --no-implied-dirs don't send implied dirs with --relative\n");
rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
rprintf(F," --backup-dir=DIR make backups into hierarchy based in DIR\n");
rprintf(F," --suffix=SUFFIX set backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
rprintf(F," -u, --update skip files that are newer on the receiver\n");
rprintf(F," --inplace update destination files in-place (SEE MAN PAGE)\n");
rprintf(F," --append append data onto shorter files\n");
rprintf(F," -d, --dirs transfer directories without recursing\n");
rprintf(F," -l, --links copy symlinks as symlinks\n");
rprintf(F," -L, --copy-links transform symlink into referent file/dir\n");
rprintf(F," --copy-unsafe-links only \"unsafe\" symlinks are transformed\n");
rprintf(F," --safe-links ignore symlinks that point outside the source tree\n");
rprintf(F," -H, --hard-links preserve hard links\n");
rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n");
rprintf(F," -p, --perms preserve permissions\n");
rprintf(F," -E, --executability preserve the file's executability\n");
rprintf(F," --chmod=CHMOD change destination permissions\n");
rprintf(F," -o, --owner preserve owner (super-user only)\n");
rprintf(F," -g, --group preserve group\n");
rprintf(F," --devices preserve device files (super-user only)\n");
rprintf(F," --specials preserve special files\n");
rprintf(F," -D same as --devices --specials\n");
rprintf(F," -t, --times preserve times\n");
rprintf(F," -O, --omit-dir-times omit directories when preserving times\n");
rprintf(F," --super receiver attempts super-user activities\n");
rprintf(F," -S, --sparse handle sparse files efficiently\n");
rprintf(F," -n, --dry-run show what would have been transferred\n");
rprintf(F," -W, --whole-file copy files whole (without rsync algorithm)\n");
rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
rprintf(F," -B, --block-size=SIZE force a fixed checksum block-size\n");
rprintf(F," -e, --rsh=COMMAND specify the remote shell to use\n");
rprintf(F," --rsync-path=PROGRAM specify the rsync to run on the remote machine\n");
rprintf(F," --existing ignore non-existing files on receiving side\n");
rprintf(F," --ignore-existing ignore files that already exist on receiving side\n");
rprintf(F," --remove-sent-files sent files/symlinks are removed from sending side\n");
rprintf(F," --del an alias for --delete-during\n");
rprintf(F," --delete delete files that don't exist on the sending side\n");
rprintf(F," --delete-before receiver deletes before transfer (default)\n");
rprintf(F," --delete-during receiver deletes during transfer, not before\n");
rprintf(F," --delete-after receiver deletes after transfer, not before\n");
rprintf(F," --delete-excluded also delete excluded files on the receiving side\n");
rprintf(F," --ignore-errors delete even if there are I/O errors\n");
rprintf(F," --force force deletion of directories even if not empty\n");
rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
rprintf(F," --max-size=SIZE don't transfer any file larger than SIZE\n");
rprintf(F," --min-size=SIZE don't transfer any file smaller than SIZE\n");
rprintf(F," --partial keep partially transferred files\n");
rprintf(F," --partial-dir=DIR put a partially transferred file into DIR\n");
rprintf(F," --delay-updates put all updated files into place at transfer's end\n");
rprintf(F," -m, --prune-empty-dirs prune empty directory chains from the file-list\n");
rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
rprintf(F," --timeout=TIME set I/O timeout in seconds\n");
rprintf(F," -I, --ignore-times don't skip files that match in size and mod-time\n");
rprintf(F," --size-only skip files that match in size\n");
rprintf(F," --modify-window=NUM compare mod-times with reduced accuracy\n");
rprintf(F," -T, --temp-dir=DIR create temporary files in directory DIR\n");
rprintf(F," -y, --fuzzy find similar file for basis if no dest file\n");
rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
rprintf(F," --copy-dest=DIR ... and include copies of unchanged files\n");
rprintf(F," --link-dest=DIR hardlink to files in DIR when unchanged\n");
rprintf(F," -z, --compress compress file data during the transfer\n");
rprintf(F," --compress-level=NUM explicitly set compression level\n");
rprintf(F," -C, --cvs-exclude auto-ignore files the same way CVS does\n");
rprintf(F," -f, --filter=RULE add a file-filtering RULE\n");
rprintf(F," -F same as --filter='dir-merge /.rsync-filter'\n");
rprintf(F," repeated: --filter='- .rsync-filter'\n");
rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
rprintf(F," --exclude-from=FILE read exclude patterns from FILE\n");
rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
rprintf(F," --include-from=FILE read include patterns from FILE\n");
rprintf(F," --files-from=FILE read list of source-file names from FILE\n");
rprintf(F," -0, --from0 all *-from/filter files are delimited by 0s\n");
rprintf(F," --address=ADDRESS bind address for outgoing socket to daemon\n");
rprintf(F," --port=PORT specify double-colon alternate port number\n");
rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
rprintf(F," --stats give some file-transfer stats\n");
rprintf(F," -h, --human-readable output numbers in a human-readable format\n");
rprintf(F," --si like human-readable, but use powers of 1000\n");
rprintf(F," --progress show progress during transfer\n");
rprintf(F," -P same as --partial --progress\n");
rprintf(F," -i, --itemize-changes output a change-summary for all updates\n");
rprintf(F," --log-format=FORMAT output filenames using the specified format\n");
rprintf(F," --password-file=FILE read password from FILE\n");
rprintf(F," --list-only list the files instead of copying them\n");
rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
rprintf(F," --write-batch=FILE write a batched update to FILE\n");
rprintf(F," --only-write-batch=FILE like --write-batch but w/o updating destination\n");
rprintf(F," --read-batch=FILE read a batched update from FILE\n");
rprintf(F," --protocol=NUM force an older protocol version to be used\n");
#ifdef INET6
rprintf(F," -4, --ipv4 prefer IPv4\n");
rprintf(F," -6, --ipv6 prefer IPv6\n");
#endif
rprintf(F," --version print version number\n");
rprintf(F," --help show this help screen\n");
rprintf(F,"\nUse \"rsync --daemon --help\" to see the daemon-mode command-line options.\n");
rprintf(F,"Please see the rsync(1) and rsyncd.conf(5) man pages for full documentation.\n");
rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
}
enum {OPT_VERSION = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP,
OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD,
OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
OPT_NO_D,
OPT_SERVER, OPT_REFUSED_BASE = 9000};
static struct poptOption long_options[] = {
/* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
{"help", 0, POPT_ARG_NONE, 0, OPT_HELP, 0, 0 },
{"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
{"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
{"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
{"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
{"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
{"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
{"human-readable", 'h', POPT_ARG_VAL, &human_readable, 1, 0, 0},
{"si", 0, POPT_ARG_VAL, &human_readable, 2, 0, 0},
{"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
{"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
{"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 },
{"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
{"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
{"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
{"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
{"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
{"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
{"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
{"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
{"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 },
{"times", 't', POPT_ARG_VAL, &preserve_times, 1, 0, 0 },
{"no-times", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
{"no-t", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
{"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 2, 0, 0 },
{"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
{"super", 0, POPT_ARG_VAL, &am_root, 2, 0, 0 },
{"no-super", 0, POPT_ARG_VAL, &am_root, 0, 0, 0 },
{"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 },
{"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
{"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
{"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 },
{"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
{"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
{0, 'D', POPT_ARG_NONE, 0, 'D', 0, 0 },
{"no-D", 0, POPT_ARG_NONE, 0, OPT_NO_D, 0, 0 },
{"devices", 0, POPT_ARG_VAL, &preserve_devices, 1, 0, 0 },
{"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
{"specials", 0, POPT_ARG_VAL, &preserve_specials, 1, 0, 0 },
{"no-specials", 0, POPT_ARG_VAL, &preserve_specials, 0, 0, 0 },
{"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 },
{"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
{"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
{"copy-links", 'L', POPT_ARG_NONE, &copy_links, 0, 0, 0 },
{"copy-unsafe-links",0, POPT_ARG_NONE, &copy_unsafe_links, 0, 0, 0 },
{"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
{"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
{"hard-links", 'H', POPT_ARG_NONE, &preserve_hard_links, 0, 0, 0 },
{"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
{"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
{"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
{"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
{"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 },
{"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
{"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
{"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 },
{"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
{"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
{"ignore-non-existing",0,POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
{"ignore-existing", 0, POPT_ARG_NONE, &ignore_existing, 0, 0, 0 },
{"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
{"min-size", 0, POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 },
{"sparse", 'S', POPT_ARG_NONE, &sparse_files, 0, 0, 0 },
{"inplace", 0, POPT_ARG_NONE, &inplace, 0, 0, 0 },
{"append", 0, POPT_ARG_VAL, &append_mode, 1, 0, 0 },
{"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
{"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
{"delete-before", 0, POPT_ARG_VAL, &delete_before, 2, 0, 0 },
{"delete-during", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
{"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
{"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
{"remove-sent-files",0, POPT_ARG_NONE, &remove_sent_files, 0, 0, 0 },
{"force", 0, POPT_ARG_NONE, &force_delete, 0, 0, 0 },
{"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors, 0, 0, 0 },
{"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
{0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
{"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
{"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
{"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
{"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
{"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
{"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
{"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
{"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
{"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
{"checksum", 'c', POPT_ARG_NONE, &always_checksum, 0, 0, 0 },
{"block-size", 'B', POPT_ARG_LONG, &block_size, 0, 0, 0 },
{"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
{"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
{"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
{"fuzzy", 'y', POPT_ARG_NONE, &fuzzy_basis, 0, 0, 0 },
{"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 },
{"compress-level", 0, POPT_ARG_INT, &def_compress_level, 'z', 0, 0 },
{0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
{"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 },
{"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 },
{"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 },
{"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 },
{"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
{"delay-updates", 0, POPT_ARG_NONE, &delay_updates, 0, 0, 0 },
{"prune-empty-dirs",'m', POPT_ARG_NONE, &prune_empty_dirs, 0, 0, 0 },
{"log-format", 0, POPT_ARG_STRING, &log_format, 0, 0, 0 },
{"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 },
{"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
{"backup", 'b', POPT_ARG_NONE, &make_backups, 0, 0, 0 },
{"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
{"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
{"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
{"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
{"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
{"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
{"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
{"from0", '0', POPT_ARG_NONE, &eol_nulls, 0, 0, 0},
{"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids, 0, 0, 0 },
{"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
{"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
{"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
{"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
#ifdef INET6
{"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
{"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
#endif
{"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
{"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
{"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
{"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
{"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
{"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
{"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
{"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
{"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 },
{"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
/* All the following options switch us into daemon-mode option-parsing. */
{"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
{"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
{"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
{"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
{0,0,0,0, 0, 0, 0}
};
static void daemon_usage(enum logcode F)
{
print_rsync_version(F);
rprintf(F,"\nUsage: rsync --daemon [OPTION]...\n");
rprintf(F," --address=ADDRESS bind to the specified address\n");
rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
rprintf(F," --no-detach do not detach from the parent\n");
rprintf(F," --port=PORT listen on alternate port number\n");
rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
rprintf(F," -v, --verbose increase verbosity\n");
#ifdef INET6
rprintf(F," -4, --ipv4 prefer IPv4\n");
rprintf(F," -6, --ipv6 prefer IPv6\n");
#endif
rprintf(F," --help show this help screen\n");
rprintf(F,"\nIf you were not trying to invoke rsync as a daemon, avoid using any of the\n");
rprintf(F,"daemon-specific rsync options. See also the rsyncd.conf(5) man page.\n");
}
static struct poptOption long_daemon_options[] = {
/* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
{"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
{"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
{"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
{"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
#ifdef INET6
{"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
{"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
#endif
{"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
{"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
{"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
{"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
{"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
{"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
{"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
{"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
{"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
{"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
{"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
{0,0,0,0, 0, 0, 0}
};
static char err_buf[200];
/**
* Store the option error message, if any, so that we can log the
* connection attempt (which requires parsing the options), and then
* show the error later on.
**/
void option_error(void)
{
if (!err_buf[0]) {
strcpy(err_buf, "Error parsing options: "
"option may be supported on client but not on server?\n");
}
rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
}
/**
* Tweak the option table to disable all options that the rsyncd.conf
* file has told us to refuse.
**/
static void set_refuse_options(char *bp)
{
struct poptOption *op;
char *cp, shortname[2];
int is_wild, found_match;
shortname[1] = '\0';
while (1) {
while (*bp == ' ') bp++;
if (!*bp)
break;
if ((cp = strchr(bp, ' ')) != NULL)
*cp= '\0';
is_wild = strpbrk(bp, "*?[") != NULL;
found_match = 0;
for (op = long_options; ; op++) {
*shortname = op->shortName;
if (!op->longName && !*shortname)
break;
if ((op->longName && wildmatch(bp, op->longName))
|| (*shortname && wildmatch(bp, shortname))) {
if (op->argInfo == POPT_ARG_VAL)
op->argInfo = POPT_ARG_NONE;
op->val = (op - long_options) + OPT_REFUSED_BASE;
found_match = 1;
/* These flags are set to let us easily check
* an implied option later in the code. */
switch (*shortname) {
case 'r': case 'd': case 'l': case 'p':
case 't': case 'g': case 'o': case 'D':
refused_archive_part = op->val;
break;
case 'z':
refused_compress = op->val;
break;
case '\0':
if (wildmatch("delete", op->longName))
refused_delete = op->val;
else if (wildmatch("delete-before", op->longName))
refused_delete_before = op->val;
else if (wildmatch("partial", op->longName))
refused_partial = op->val;
else if (wildmatch("progress", op->longName))
refused_progress = op->val;
else if (wildmatch("inplace", op->longName))
refused_inplace = op->val;
break;
}
if (!is_wild)
break;
}
}
if (!found_match) {
rprintf(FLOG, "No match for refuse-options string \"%s\"\n",
bp);
}
if (!cp)
break;
*cp = ' ';
bp = cp + 1;
}
for (op = long_options; ; op++) {
*shortname = op->shortName;
if (!op->longName && !*shortname)
break;
if (op->val == OPT_DAEMON) {
if (op->argInfo == POPT_ARG_VAL)
op->argInfo = POPT_ARG_NONE;
op->val = (op - long_options) + OPT_REFUSED_BASE;
}
}
}
static int count_args(const char **argv)
{
int i = 0;
if (argv) {
while (argv[i] != NULL)
i++;
}
return i;
}
static OFF_T parse_size_arg(char **size_arg, char def_suf)
{
int reps, mult, make_compatible = 0;
const char *arg;
OFF_T size = 1;
for (arg = *size_arg; isdigit(*(uchar*)arg); arg++) {}
if (*arg == '.')
for (arg++; isdigit(*(uchar*)arg); arg++) {}
switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) {
case 'b': case 'B':
reps = 0;
break;
case 'k': case 'K':
reps = 1;
break;
case 'm': case 'M':
reps = 2;
break;
case 'g': case 'G':
reps = 3;
break;
default:
return -1;
}
if (*arg == 'b' || *arg == 'B')
mult = 1000, make_compatible = 1, arg++;
else if (!*arg || *arg == '+' || *arg == '-')
mult = 1024;
else if (strncasecmp(arg, "ib", 2) == 0)
mult = 1024, arg += 2;
else
return -1;
while (reps--)
size *= mult;
size *= atof(*size_arg);
if ((*arg == '+' || *arg == '-') && arg[1] == '1')
size += atoi(arg), make_compatible = 1, arg += 2;
if (*arg)
return -1;
if (size > 0 && make_compatible) {
/* We convert this manually because we may need %lld precision,
* and that's not a portable sprintf() escape. */
char buf[128], *s = buf + sizeof buf - 1;
OFF_T num = size;
*s = '\0';
while (num) {
*--s = (num % 10) + '0';
num /= 10;
}
if (!(*size_arg = strdup(s)))
out_of_memory("parse_size_arg");
}
return size;
}
static void create_refuse_error(int which)
{
/* The "which" value is the index + OPT_REFUSED_BASE. */
struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
int n = snprintf(err_buf, sizeof err_buf,
"The server is configured to refuse --%s\n",
op->longName) - 1;
if (op->shortName) {
snprintf(err_buf + n, sizeof err_buf - n,
" (-%c)\n", op->shortName);
}
}
/**
* Process command line arguments. Called on both local and remote.
*
* @retval 1 if all options are OK; with globals set to appropriate
* values
*
* @retval 0 on error, with err_buf containing an explanation
**/
int parse_arguments(int *argc, const char ***argv, int frommain)
{
int opt;
char *ref = lp_refuse_options(module_id);
const char *arg;
poptContext pc;
if (ref && *ref)
set_refuse_options(ref);
/* TODO: Call poptReadDefaultConfig; handle errors. */
/* The context leaks in case of an error, but if there's a
* problem we always exit anyhow. */
pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0);
poptReadDefaultConfig(pc, 0);
while ((opt = poptGetNextOpt(pc)) != -1) {
/* most options are handled automatically by popt;
* only special cases are returned and listed here. */
switch (opt) {
case OPT_VERSION:
print_rsync_version(FINFO);
exit_cleanup(0);
case OPT_SERVER:
if (!am_server) {
/* Disable popt aliases on the server side and
* then start parsing the options again. */
poptFreeContext(pc);
pc = poptGetContext(RSYNC_NAME, *argc, *argv,
long_options, 0);
am_server = 1;
}
break;
case OPT_SENDER:
if (!am_server) {
usage(FERROR);
exit_cleanup(RERR_SYNTAX);
}
am_sender = 1;
break;
case OPT_DAEMON:
if (am_daemon) {
strcpy(err_buf, "Attempt to hack rsync thwarted!\n");
return 0;
}
poptFreeContext(pc);
pc = poptGetContext(RSYNC_NAME, *argc, *argv,
long_daemon_options, 0);
while ((opt = poptGetNextOpt(pc)) != -1) {
switch (opt) {
case 'h':
daemon_usage(FINFO);
exit_cleanup(0);
case 'v':
verbose++;
break;
default:
rprintf(FERROR,
"rsync: %s: %s (in daemon mode)\n",
poptBadOption(pc, POPT_BADOPTION_NOALIAS),
poptStrerror(opt));
goto daemon_error;
}
}
if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
snprintf(err_buf, sizeof err_buf,
"the --temp-dir path is WAY too long.\n");
return 0;
}
if (!daemon_opt) {
rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
daemon_error:
rprintf(FERROR,
"(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
exit_cleanup(RERR_SYNTAX);
}
*argv = poptGetArgs(pc);
*argc = count_args(*argv);
am_starting_up = 0;
daemon_opt = 0;
am_daemon = 1;
return 1;
case OPT_MODIFY_WINDOW:
/* The value has already been set by popt, but
* we need to remember that we're using a
* non-default setting. */
modify_window_set = 1;
break;
case OPT_FILTER:
parse_rule(&filter_list, poptGetOptArg(pc), 0, 0);
break;
case OPT_EXCLUDE:
parse_rule(&filter_list, poptGetOptArg(pc),
0, XFLG_OLD_PREFIXES);
break;
case OPT_INCLUDE:
parse_rule(&filter_list, poptGetOptArg(pc),
MATCHFLG_INCLUDE, XFLG_OLD_PREFIXES);
break;
case OPT_EXCLUDE_FROM:
case OPT_INCLUDE_FROM:
arg = poptGetOptArg(pc);
if (sanitize_paths)
arg = sanitize_path(NULL, arg, NULL, 0);
if (server_filter_list.head) {
char *cp = (char *)arg;
if (!*cp)
goto options_rejected;
clean_fname(cp, 1);
if (check_filter(&server_filter_list, cp, 0) < 0)
goto options_rejected;
}
parse_filter_file(&filter_list, arg,
opt == OPT_INCLUDE_FROM ? MATCHFLG_INCLUDE : 0,
XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
break;
case 'a':
if (refused_archive_part) {
create_refuse_error(refused_archive_part);
return 0;
}
if (!recurse) /* preserve recurse == 2 */
recurse = 1;
#ifdef SUPPORT_LINKS
preserve_links = 1;
#endif
preserve_perms = 1;
preserve_times = 1;
preserve_gid = 1;
preserve_uid = 1;
preserve_devices = 1;
preserve_specials = 1;
break;
case 'D':
preserve_devices = preserve_specials = 1;
break;
case OPT_NO_D:
preserve_devices = preserve_specials = 0;
break;
case 'i':
itemize_changes++;
break;
case 'v':
verbose++;
break;
case 'q':
if (frommain)
quiet++;
break;
case 'x':
one_file_system++;
break;
case 'F':
switch (++F_option_cnt) {
case 1:
parse_rule(&filter_list,": /.rsync-filter",0,0);
break;
case 2:
parse_rule(&filter_list,"- .rsync-filter",0,0);
break;
}
break;
case 'P':
if (refused_partial || refused_progress) {
create_refuse_error(refused_partial
? refused_partial : refused_progress);
return 0;
}
do_progress = 1;
keep_partial = 1;
break;
case 'z':
if (def_compress_level < Z_DEFAULT_COMPRESSION
|| def_compress_level > Z_BEST_COMPRESSION) {
snprintf(err_buf, sizeof err_buf,
"--compress-level value is invalid: %d\n",
def_compress_level);
return 0;
}
do_compression = def_compress_level != Z_NO_COMPRESSION;
if (do_compression && refused_compress) {
create_refuse_error(refused_compress);
return 0;
}
break;
case OPT_WRITE_BATCH:
/* batch_name is already set */
write_batch = 1;
break;
case OPT_ONLY_WRITE_BATCH:
/* batch_name is already set */
write_batch = -1;
break;
case OPT_READ_BATCH:
/* batch_name is already set */
read_batch = 1;
break;
case OPT_MAX_SIZE:
if ((max_size = parse_size_arg(&max_size_arg, 'b')) <= 0) {
snprintf(err_buf, sizeof err_buf,
"--max-size value is invalid: %s\n",
max_size_arg);
return 0;
}
break;
case OPT_MIN_SIZE:
if ((min_size = parse_size_arg(&min_size_arg, 'b')) <= 0) {
snprintf(err_buf, sizeof err_buf,
"--min-size value is invalid: %s\n",
min_size_arg);
return 0;
}
break;
case OPT_LINK_DEST:
#ifdef HAVE_LINK
link_dest = 1;
dest_option = "--link-dest";
goto set_dest_dir;
#else
snprintf(err_buf, sizeof err_buf,
"hard links are not supported on this %s\n",
am_server ? "server" : "client");
return 0;
#endif
case OPT_COPY_DEST:
copy_dest = 1;
dest_option = "--copy-dest";
goto set_dest_dir;
case OPT_COMPARE_DEST:
compare_dest = 1;
dest_option = "--compare-dest";
set_dest_dir:
if (basis_dir_cnt >= MAX_BASIS_DIRS) {
snprintf(err_buf, sizeof err_buf,
"ERROR: at most %d %s args may be specified\n",
MAX_BASIS_DIRS, dest_option);
return 0;
}
arg = poptGetOptArg(pc);
if (sanitize_paths)
arg = sanitize_path(NULL, arg, NULL, 0);
basis_dir[basis_dir_cnt++] = (char *)arg;
break;
case OPT_CHMOD:
arg = poptGetOptArg(pc);
if (!parse_chmod(arg, &chmod_modes)) {
snprintf(err_buf, sizeof err_buf,
"Invalid argument passed to --chmod (%s)\n",
arg);
return 0;
}
break;
case OPT_HELP:
usage(FINFO);
exit_cleanup(0);
default:
/* A large opt value means that set_refuse_options()
* turned this option off. */
if (opt >= OPT_REFUSED_BASE) {
create_refuse_error(opt);
return 0;
}
snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
am_server ? "on remote machine: " : "",
poptBadOption(pc, POPT_BADOPTION_NOALIAS),
poptStrerror(opt));
return 0;
}
}
if (human_readable && *argc == 2) {
usage(FINFO);
exit_cleanup(0);
}
#ifndef SUPPORT_LINKS
if (preserve_links && !am_sender) {
snprintf(err_buf, sizeof err_buf,
"symlinks are not supported on this %s\n",
am_server ? "server" : "client");
return 0;
}
#endif
#ifndef SUPPORT_HARD_LINKS
if (preserve_hard_links) {
snprintf(err_buf, sizeof err_buf,
"hard links are not supported on this %s\n",
am_server ? "server" : "client");
return 0;
}
#endif
if (write_batch && read_batch) {
snprintf(err_buf, sizeof err_buf,
"--write-batch and --read-batch can not be used together\n");
return 0;
}
if (write_batch > 0 || read_batch) {
if (am_server) {
rprintf(FINFO,
"ignoring --%s-batch option sent to server\n",
write_batch ? "write" : "read");
/* We don't actually exit_cleanup(), so that we can
* still service older version clients that still send
* batch args to server. */
read_batch = write_batch = 0;
batch_name = NULL;
} else if (dry_run)
write_batch = 0;
}
if (read_batch && files_from) {
snprintf(err_buf, sizeof err_buf,
"--read-batch cannot be used with --files-from\n");
return 0;
}
if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
snprintf(err_buf, sizeof err_buf,
"the batch-file name must be %d characters or less.\n",
MAX_BATCH_NAME_LEN);
return 0;
}
if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
snprintf(err_buf, sizeof err_buf,
"the --temp-dir path is WAY too long.\n");
return 0;
}
if (compare_dest + copy_dest + link_dest > 1) {
snprintf(err_buf, sizeof err_buf,
"You may not mix --compare-dest, --copy-dest, and --link-dest.\n");
return 0;
}
if (files_from) {
if (recurse == 1) /* preserve recurse == 2 */
recurse = 0;
if (xfer_dirs < 0)
xfer_dirs = 1;
}
if (xfer_dirs < 1)
xfer_dirs = recurse || list_only;
if (relative_paths < 0)
relative_paths = files_from? 1 : 0;
if (!relative_paths)
implied_dirs = 0;
if (!!delete_before + delete_during + delete_after > 1) {
snprintf(err_buf, sizeof err_buf,
"You may not combine multiple --delete-WHEN options.\n");
return 0;
}
if (delete_before || delete_during || delete_after)
delete_mode = 1;
else if (delete_mode || delete_excluded) {
if (refused_delete_before) {
create_refuse_error(refused_delete_before);
return 0;
}
delete_mode = delete_before = 1;
}
saw_delete_opt = delete_mode;
saw_delete_excluded_opt = delete_excluded;
if (!xfer_dirs) {
delete_before = delete_during = delete_after = 0;
delete_mode = delete_excluded = 0;
}
if (delete_mode && refused_delete) {
create_refuse_error(refused_delete);
return 0;
}
if (remove_sent_files) {
/* We only want to infer this refusal of --remove-sent-files
* via the refusal of "delete", not any of the "delete-FOO"
* options. */
if (refused_delete && am_sender) {
create_refuse_error(refused_delete);
return 0;
}
need_messages_from_generator = 1;
}
*argv = poptGetArgs(pc);
*argc = count_args(*argv);
if (sanitize_paths) {
int i;
for (i = *argc; i-- > 0; )
(*argv)[i] = sanitize_path(NULL, (*argv)[i], "", 0);
if (tmpdir)
tmpdir = sanitize_path(NULL, tmpdir, NULL, 0);
if (partial_dir)
partial_dir = sanitize_path(NULL, partial_dir, NULL, 0);
if (backup_dir)
backup_dir = sanitize_path(NULL, backup_dir, NULL, 0);
}
if (server_filter_list.head && !am_sender) {
struct filter_list_struct *elp = &server_filter_list;
int i;
if (tmpdir) {
if (!*tmpdir)
goto options_rejected;
clean_fname(tmpdir, 1);
if (check_filter(elp, tmpdir, 1) < 0)
goto options_rejected;
}
if (partial_dir && *partial_dir) {
clean_fname(partial_dir, 1);
if (check_filter(elp, partial_dir, 1) < 0)
goto options_rejected;
}
for (i = 0; i < basis_dir_cnt; i++) {
if (!*basis_dir[i])
goto options_rejected;
clean_fname(basis_dir[i], 1);
if (check_filter(elp, basis_dir[i], 1) < 0)
goto options_rejected;
}
if (backup_dir) {
if (!*backup_dir)
goto options_rejected;
clean_fname(backup_dir, 1);
if (check_filter(elp, backup_dir, 1) < 0) {
options_rejected:
snprintf(err_buf, sizeof err_buf,
"Your options have been rejected by the server.\n");
return 0;
}
}
}
if (!backup_suffix)
backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
backup_suffix_len = strlen(backup_suffix);
if (strchr(backup_suffix, '/') != NULL) {
snprintf(err_buf, sizeof err_buf,
"--suffix cannot contain slashes: %s\n",
backup_suffix);
return 0;
}
if (backup_dir) {
backup_dir_len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
if (backup_dir_remainder < 32) {
snprintf(err_buf, sizeof err_buf,
"the --backup-dir path is WAY too long.\n");
return 0;
}
if (backup_dir_buf[backup_dir_len - 1] != '/') {
backup_dir_buf[backup_dir_len++] = '/';
backup_dir_buf[backup_dir_len] = '\0';
}
if (verbose > 1 && !am_sender)
rprintf(FINFO, "backup_dir is %s\n", backup_dir_buf);
} else if (!backup_suffix_len && (!am_server || !am_sender)) {
snprintf(err_buf, sizeof err_buf,
"--suffix cannot be a null string without --backup-dir\n");
return 0;
} else if (make_backups && delete_mode && !delete_excluded) {
snprintf(backup_dir_buf, sizeof backup_dir_buf,
"P *%s", backup_suffix);
parse_rule(&filter_list, backup_dir_buf, 0, 0);
}
if (make_backups && !backup_dir)
omit_dir_times = 1;
if (log_format) {
if (am_server && log_format_has(log_format, 'I'))
log_format_has_i = 2;
else if (log_format_has(log_format, 'i'))
log_format_has_i = itemize_changes | 1;
if (!log_format_has(log_format, 'b')
&& !log_format_has(log_format, 'c'))
log_before_transfer = !am_server;
} else if (itemize_changes) {
log_format = "%i %n%L";
log_format_has_i = itemize_changes;
log_before_transfer = !am_server;
}
if ((do_progress || dry_run) && !verbose && !log_before_transfer
&& !am_server)
verbose = 1;
if (dry_run)
do_xfers = 0;
set_io_timeout(io_timeout);
if (verbose && !log_format) {
log_format = "%n%L";
log_before_transfer = !am_server;
}
if (log_format_has_i || log_format_has(log_format, 'o'))
log_format_has_o_or_i = 1;
if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
bwlimit = daemon_bwlimit;
if (bwlimit) {
bwlimit_writemax = (size_t)bwlimit * 128;
if (bwlimit_writemax < 512)
bwlimit_writemax = 512;
}
if (sparse_files && inplace) {
/* Note: we don't check for this below, because --append is
* OK with --sparse (as long as redos are handled right). */
snprintf(err_buf, sizeof err_buf,
"--sparse cannot be used with --inplace\n");
return 0;
}
if (append_mode) {
if (whole_file > 0) {
snprintf(err_buf, sizeof err_buf,
"--append cannot be used with --whole-file\n");
return 0;
}
if (refused_inplace) {
create_refuse_error(refused_inplace);
return 0;
}
inplace = 1;
}
if (delay_updates && !partial_dir)
partial_dir = tmp_partialdir;
if (inplace) {
#ifdef HAVE_FTRUNCATE
if (partial_dir) {
snprintf(err_buf, sizeof err_buf,
"--%s cannot be used with --%s\n",
append_mode ? "append" : "inplace",
delay_updates ? "delay-updates" : "partial-dir");
return 0;
}
/* --inplace implies --partial for refusal purposes, but we
* clear the keep_partial flag for internal logic purposes. */
if (refused_partial) {
create_refuse_error(refused_partial);
return 0;
}
keep_partial = 0;
#else
snprintf(err_buf, sizeof err_buf,
"--%s is not supported on this %s\n",
append_mode ? "append" : "inplace",
am_server ? "server" : "client");
return 0;
#endif
} else {
if (keep_partial && !partial_dir) {
if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
partial_dir = strdup(arg);
}
if (partial_dir) {
if (*partial_dir)
clean_fname(partial_dir, 1);
if (!*partial_dir || strcmp(partial_dir, ".") == 0)
partial_dir = NULL;
else if (*partial_dir != '/') {
parse_rule(&filter_list, partial_dir,
MATCHFLG_NO_PREFIXES|MATCHFLG_DIRECTORY, 0);
}
if (!partial_dir && refused_partial) {
create_refuse_error(refused_partial);
return 0;
}
keep_partial = 1;
}
}
if (files_from) {
char *h, *p;
int q;
if (*argc > 2 || (!am_daemon && *argc == 1)) {
usage(FERROR);
exit_cleanup(RERR_SYNTAX);
}
if (strcmp(files_from, "-") == 0) {
filesfrom_fd = 0;
if (am_server)
filesfrom_host = ""; /* reading from socket */
} else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
if (am_server) {
snprintf(err_buf, sizeof err_buf,
"The --files-from sent to the server cannot specify a host.\n");
return 0;
}
files_from = p;
filesfrom_host = h;
if (strcmp(files_from, "-") == 0) {
snprintf(err_buf, sizeof err_buf,
"Invalid --files-from remote filename\n");
return 0;
}
} else {
if (sanitize_paths)
files_from = sanitize_path(NULL, files_from, NULL, 0);
if (server_filter_list.head) {
if (!*files_from)
goto options_rejected;
clean_fname(files_from, 1);
if (check_filter(&server_filter_list, files_from, 0) < 0)
goto options_rejected;
}
filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
if (filesfrom_fd < 0) {
snprintf(err_buf, sizeof err_buf,
"failed to open files-from file %s: %s\n",
files_from, strerror(errno));
return 0;
}
}
}
am_starting_up = 0;
return 1;
}
/**
* Construct a filtered list of options to pass through from the
* client to the server.
*
* This involves setting options that will tell the server how to
* behave, and also filtering out options that are processed only
* locally.
**/
void server_options(char **args,int *argc)
{
static char argstr[64];
int ac = *argc;
char *arg;
int i, x;
if (blocking_io == -1)
blocking_io = 0;
/* This should always remain first on the server's command-line. */
args[ac++] = "--server";
if (daemon_over_rsh) {
args[ac++] = "--daemon";
*argc = ac;
/* if we're passing --daemon, we're done */
return;
}
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 (!do_xfers) /* NOT "dry_run"! */
argstr[x++] = 'n';
if (preserve_links)
argstr[x++] = 'l';
if (copy_links)
argstr[x++] = 'L';
if (xfer_dirs > (recurse || !delete_mode || !am_sender))
argstr[x++] = 'd';
if (am_sender) {
if (keep_dirlinks)
argstr[x++] = 'K';
if (prune_empty_dirs)
argstr[x++] = 'm';
if (omit_dir_times == 2)
argstr[x++] = 'O';
}
if (whole_file > 0)
argstr[x++] = 'W';
/* We don't need to send --no-whole-file, because it's the
* default for remote transfers, and in any case old versions
* of rsync will not understand it. */
if (preserve_hard_links)
argstr[x++] = 'H';
if (preserve_uid)
argstr[x++] = 'o';
if (preserve_gid)
argstr[x++] = 'g';
if (preserve_devices) /* ignore preserve_specials here */
argstr[x++] = 'D';
if (preserve_times)
argstr[x++] = 't';
if (preserve_perms)
argstr[x++] = 'p';
else if (preserve_executability && am_sender)
argstr[x++] = 'E';
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 (one_file_system > 1)
argstr[x++] = 'x';
}
if (sparse_files)
argstr[x++] = 'S';
if (do_compression)
argstr[x++] = 'z';
/* This is a complete hack - blame Rusty. FIXME!
* This hack is only needed for older rsync versions that
* don't understand the --list-only option. */
if (list_only == 1 && !recurse)
argstr[x++] = 'r';
argstr[x] = '\0';
if (x != 1)
args[ac++] = argstr;
if (list_only > 1)
args[ac++] = "--list-only";
/* This makes sure that the remote rsync can handle deleting with -d
* sans -r because the --no-r option was added at the same time. */
if (xfer_dirs && !recurse && delete_mode && am_sender)
args[ac++] = "--no-r";
if (do_compression && def_compress_level != Z_DEFAULT_COMPRESSION) {
if (asprintf(&arg, "--compress-level=%d", def_compress_level) < 0)
goto oom;
args[ac++] = arg;
}
if (preserve_devices) {
/* Note: sending "--devices" would not be backward-compatible. */
if (!preserve_specials)
args[ac++] = "--no-specials"; /* -D is already set. */
} else if (preserve_specials)
args[ac++] = "--specials";
/* The server side doesn't use our log-format, but in certain
* circumstances they need to know a little about the option. */
if (log_format && am_sender) {
if (log_format_has_i > 1)
args[ac++] = "--log-format=%i%I";
else if (log_format_has_i)
args[ac++] = "--log-format=%i";
else if (log_format_has_o_or_i)
args[ac++] = "--log-format=%o";
else if (!verbose)
args[ac++] = "--log-format=X";
}
if (block_size) {
if (asprintf(&arg, "-B%lu", block_size) < 0)
goto oom;
args[ac++] = arg;
}
if (max_delete && am_sender) {
if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
goto oom;
args[ac++] = arg;
}
if (min_size && am_sender) {
args[ac++] = "--min-size";
args[ac++] = min_size_arg;
}
if (max_size && am_sender) {
args[ac++] = "--max-size";
args[ac++] = max_size_arg;
}
if (io_timeout) {
if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
goto oom;
args[ac++] = arg;
}
if (bwlimit) {
if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
goto oom;
args[ac++] = arg;
}
if (backup_dir) {
args[ac++] = "--backup-dir";
args[ac++] = backup_dir;
}
/* Only send --suffix if it specifies a non-default value. */
if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
/* We use the following syntax to avoid weirdness with '~'. */
if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
goto oom;
args[ac++] = arg;
}
if (am_sender) {
if (delete_excluded)
args[ac++] = "--delete-excluded";
else if (delete_before == 1 || delete_after)
args[ac++] = "--delete";
if (delete_before > 1)
args[ac++] = "--delete-before";
if (delete_during)
args[ac++] = "--delete-during";
if (delete_after)
args[ac++] = "--delete-after";
if (force_delete)
args[ac++] = "--force";
if (write_batch < 0)
args[ac++] = "--only-write-batch=X";
if (am_root > 1)
args[ac++] = "--super";
}
if (size_only)
args[ac++] = "--size-only";
if (modify_window_set) {
if (asprintf(&arg, "--modify-window=%d", modify_window) < 0)
goto oom;
args[ac++] = arg;
}
if (checksum_seed) {
if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
goto oom;
args[ac++] = arg;
}
if (partial_dir && am_sender) {
if (partial_dir != tmp_partialdir) {
args[ac++] = "--partial-dir";
args[ac++] = partial_dir;
}
if (delay_updates)
args[ac++] = "--delay-updates";
} else if (keep_partial && am_sender)
args[ac++] = "--partial";
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 (ignore_existing && am_sender)
args[ac++] = "--ignore-existing";
/* Backward compatibility: send --existing, not --ignore-non-existing. */
if (ignore_non_existing && am_sender)
args[ac++] = "--existing";
if (append_mode)
args[ac++] = "--append";
else if (inplace)
args[ac++] = "--inplace";
if (tmpdir && am_sender) {
args[ac++] = "--temp-dir";
args[ac++] = tmpdir;
}
if (basis_dir[0] && 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.
*/
int i;
for (i = 0; i < basis_dir_cnt; i++) {
args[ac++] = dest_option;
args[ac++] = basis_dir[i];
}
}
if (files_from && (!am_sender || filesfrom_host)) {
if (filesfrom_host) {
args[ac++] = "--files-from";
args[ac++] = files_from;
if (eol_nulls)
args[ac++] = "--from0";
} else {
args[ac++] = "--files-from=-";
args[ac++] = "--from0";
}
if (!relative_paths)
args[ac++] = "--no-relative";
}
if (relative_paths && !implied_dirs && !am_sender)
args[ac++] = "--no-implied-dirs";
if (fuzzy_basis && am_sender)
args[ac++] = "--fuzzy";
if (remove_sent_files)
args[ac++] = "--remove-sent-files";
*argc = ac;
return;
oom:
out_of_memory("server_options");
}
/* Look for a HOST specfication of the form "HOST:PATH", "HOST::PATH", or
* "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
* memory with the HOST. If a daemon-accessing spec was specified, the value
* of *port_ptr will contain a non-0 port number, otherwise it will be set to
* 0. The return value is a pointer to the PATH. Note that the HOST spec can
* be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
* "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
{
char *p;
int not_host;
if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
char *path;
int hostlen;
s += strlen(URL_PREFIX);
if ((p = strchr(s, '/')) != NULL) {
hostlen = p - s;
path = p + 1;
} else {
hostlen = strlen(s);
path = "";
}
if (*s == '[' && (p = strchr(s, ']')) != NULL) {
s++;
hostlen = p - s;
if (p[1] == ':')
*port_ptr = atoi(p+2);
} else {
if ((p = strchr(s, ':')) != NULL) {
hostlen = p - s;
*port_ptr = atoi(p+1);
}
}
if (!*port_ptr)
*port_ptr = RSYNC_PORT;
*host_ptr = new_array(char, hostlen + 1);
strlcpy(*host_ptr, s, hostlen + 1);
return path;
}
if (*s == '[' && (p = strchr(s, ']')) != NULL && p[1] == ':') {
s++;
*p = '\0';
not_host = strchr(s, '/') || !strchr(s, ':');
*p = ']';
if (not_host)
return NULL;
p++;
} else {
if (!(p = strchr(s, ':')))
return NULL;
*p = '\0';
not_host = strchr(s, '/') != NULL;
*p = ':';
if (not_host)
return NULL;
}
*host_ptr = new_array(char, p - s + 1);
strlcpy(*host_ptr, s, p - s + 1);
if (p[1] == ':') {
if (port_ptr && !*port_ptr)
*port_ptr = RSYNC_PORT;
return p + 2;
}
if (port_ptr)
*port_ptr = 0;
return p + 1;
}
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