LineageOS/android_external_rsync
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8ee6adefe38a00af526ce15c51a24580bea0212c
android_external_rsync/options.c
Wayne Davison 11e758a430 - Added do_xfers variable. 
- Handle the new --only-write-batch=FILE option.
2005-04-09 18:59:47 +00:00

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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"
extern int module_id;
extern int sanitize_paths;
extern int select_timeout;
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 archive_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_devices = 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 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 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;
char *files_from = NULL;
int filesfrom_fd = -1;
char *filesfrom_host = NULL;
int eol_nulls = 0;
int recurse = 0;
int xfer_dirs = 0;
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 only_existing = 0;
int opt_ignore_existing = 0;
int need_messages_from_generator = 0;
int max_delete = 0;
OFF_T max_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];
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;
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;
static int refused_partial, refused_progress, refused_delete_before;
static char *max_size_arg;
static char partialdir_for_delayupdate[] = ".~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) 1996-2005 by Andrew Tridgell 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,
"\n"
"rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
"are welcome to redistribute it under certain conditions. See the GNU\n"
"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\nvia a fast differencing algorithm.\n\n");
rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC DEST\n");
rprintf(F," or rsync [OPTION]... SRC [SRC]... DEST\n");
rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
rprintf(F,"SRC on single-colon remote HOST will be expanded by remote shell\n");
rprintf(F,"SRC on server remote HOST may contain shell wildcards or multiple\n");
rprintf(F," sources separated by space as long as they have same top-level\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," -r, --recursive recurse into directories\n");
rprintf(F," -R, --relative use relative path names\n");
rprintf(F," --no-relative turn off --relative\n");
rprintf(F," --no-implied-dirs don't send implied dirs with -R\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," -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," -o, --owner preserve owner (root only)\n");
rprintf(F," -g, --group preserve group\n");
rprintf(F," -D, --devices preserve devices (root only)\n");
rprintf(F," -t, --times preserve times\n");
rprintf(F," -O, --omit-dir-times omit directories when preserving times\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," --no-whole-file always use incremental 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 only update files that already exist on receiver\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," --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," --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," -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 file lists are delimited by nulls\n");
rprintf(F," --version print version number\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," --blocking-io use blocking I/O for the remote shell\n");
rprintf(F," --no-blocking-io turn off blocking I/O when it is the default\n");
rprintf(F," --stats give some file-transfer stats\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 log file-transfers using 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," -h, --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_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW,
OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH,
OPT_TIMEOUT, OPT_MAX_SIZE,
OPT_REFUSED_BASE = 9000};
static struct poptOption long_options[] = {
/* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
{"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
{"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
{"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
{"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
{"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
{"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
{"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
{"one-file-system", 'x', POPT_ARG_NONE, &one_file_system, 0, 0, 0 },
{"existing", 0, POPT_ARG_NONE, &only_existing, 0, 0, 0 },
{"ignore-existing", 0, POPT_ARG_NONE, &opt_ignore_existing, 0, 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 },
{"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids, 0, 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 },
{"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
{"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
{"backup", 'b', POPT_ARG_NONE, &make_backups, 0, 0, 0 },
{"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
{"sparse", 'S', POPT_ARG_NONE, &sparse_files, 0, 0, 0 },
{"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
{"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
{"inplace", 0, POPT_ARG_NONE, &inplace, 0, 0, 0 },
{"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
{"links", 'l', POPT_ARG_NONE, &preserve_links, 0, 0, 0 },
{"copy-links", 'L', POPT_ARG_NONE, &copy_links, 0, 0, 0 },
{"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 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 },
{"copy-unsafe-links",0, POPT_ARG_NONE, &copy_unsafe_links, 0, 0, 0 },
{"perms", 'p', POPT_ARG_NONE, &preserve_perms, 0, 0, 0 },
{"owner", 'o', POPT_ARG_NONE, &preserve_uid, 0, 0, 0 },
{"group", 'g', POPT_ARG_NONE, &preserve_gid, 0, 0, 0 },
{"devices", 'D', POPT_ARG_NONE, &preserve_devices, 0, 0, 0 },
{"times", 't', POPT_ARG_NONE, &preserve_times, 0, 0, 0 },
{"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 2, 0, 0 },
{"checksum", 'c', POPT_ARG_NONE, &always_checksum, 0, 0, 0 },
{"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
{"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
{"archive", 'a', POPT_ARG_NONE, &archive_mode, 0, 0, 0 },
{"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
{"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
{"recursive", 'r', POPT_ARG_NONE, &recurse, 0, 0, 0 },
{"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
{"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
{"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
{"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
{"block-size", 'B', POPT_ARG_LONG, &block_size, 0, 0, 0 },
{"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
{"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
{"timeout", 0, POPT_ARG_INT, &io_timeout, OPT_TIMEOUT, 0, 0 },
{"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 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 },
/* TODO: Should this take an optional int giving the compression level? */
{"compress", 'z', POPT_ARG_NONE, &do_compression, 0, 0, 0 },
{"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
{"progress", 0, POPT_ARG_NONE, &do_progress, 0, 0, 0 },
{"partial", 0, POPT_ARG_NONE, &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 },
{"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors, 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 },
{0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
{0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
{"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
{"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
{"log-format", 0, POPT_ARG_STRING, &log_format, 0, 0, 0 },
{"itemize-changes", 'i', POPT_ARG_NONE, &itemize_changes, 0, 0, 0 },
{"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
{"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
{"hard-links", 'H', POPT_ARG_NONE, &preserve_hard_links, 0, 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},
{"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
{"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
{"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 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
/* All these 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," -v, --verbose increase verbosity\n");
#ifdef INET6
rprintf(F," -4, --ipv4 prefer IPv4\n");
rprintf(F," -6, --ipv6 prefer IPv6\n");
#endif
rprintf(F," -h, --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 },
{"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
{"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
{"verbose", 'v', POPT_ARG_NONE, 0, 'v', 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 '\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;
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 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_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 (!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 'h':
usage(FINFO);
exit_cleanup(0);
case 'v':
verbose++;
break;
case 'q':
if (frommain)
quiet++;
break;
case OPT_SENDER:
if (!am_server) {
usage(FERROR);
exit_cleanup(RERR_SYNTAX);
}
am_sender = 1;
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 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:
for (arg = max_size_arg; isdigit(*(uchar*)arg); arg++) {}
if (*arg == '.')
for (arg++; isdigit(*(uchar*)arg); arg++) {}
switch (*arg) {
case 'k': case 'K':
max_size = atof(max_size_arg) * 1024;
break;
case 'm': case 'M':
max_size = atof(max_size_arg) * 1024*1024;
break;
case 'g': case 'G':
max_size = atof(max_size_arg) * 1024*1024*1024;
break;
case '\0':
max_size = atof(max_size_arg);
break;
default:
max_size = 0;
break;
}
if (max_size <= 0) {
snprintf(err_buf, sizeof err_buf,
"--max-size value is invalid: %s\n",
max_size_arg);
return 0;
}
break;
case OPT_TIMEOUT:
if (io_timeout && io_timeout < select_timeout)
select_timeout = io_timeout;
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;
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;
}
}
#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 (archive_mode) {
if (refused_archive_part) {
create_refuse_error(refused_archive_part);
return 0;
}
if (!files_from)
recurse = 1;
#ifdef SUPPORT_LINKS
preserve_links = 1;
#endif
preserve_perms = 1;
preserve_times = 1;
preserve_gid = 1;
preserve_uid = 1;
preserve_devices = 1;
}
if (recurse || list_only || files_from)
xfer_dirs |= 1;
if (relative_paths < 0)
relative_paths = files_from? 1 : 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 (!recurse) {
delete_before = delete_during = delete_after = 0;
delete_mode = delete_excluded = 0;
} else 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;
}
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",
safe_fname(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;
}
if (make_backups && !backup_dir)
omit_dir_times = 1;
if (log_format) {
if (log_format_has(log_format, 'i'))
log_format_has_i = 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 = 1;
log_before_transfer = !am_server;
}
if ((do_progress || dry_run) && !verbose && !log_before_transfer
&& !am_server)
verbose = 1;
if (dry_run)
do_xfers = 0;
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 (delay_updates && !partial_dir)
partial_dir = partialdir_for_delayupdate;
if (inplace) {
#ifdef HAVE_FTRUNCATE
if (partial_dir) {
snprintf(err_buf, sizeof err_buf,
"--inplace cannot be used with --%s\n",
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,
"--inplace is not supported on this %s\n",
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[50+MAX_BASIS_DIRS*2];
int ac = *argc;
char *arg;
int i, x;
if (blocking_io == -1)
blocking_io = 0;
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)
argstr[x++] = 'n';
if (preserve_links)
argstr[x++] = 'l';
if (copy_links)
argstr[x++] = 'L';
if (xfer_dirs > 1)
argstr[x++] = 'd';
if (keep_dirlinks && am_sender)
argstr[x++] = 'K';
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)
argstr[x++] = 'D';
if (preserve_times)
argstr[x++] = 't';
if (omit_dir_times == 2 && am_sender)
argstr[x++] = 'O';
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. 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";
/* 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)
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 (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 (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 != partialdir_for_delayupdate) {
args[ac++] = "--partial-dir";
args[ac++] = partial_dir;
}
if (delay_updates)
args[ac++] = "--delay-updates";
} else if (keep_partial)
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 (only_existing && am_sender)
args[ac++] = "--existing";
if (opt_ignore_existing && am_sender)
args[ac++] = "--ignore-existing";
if (inplace)
args[ac++] = "--inplace";
if (tmpdir) {
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 (!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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