-/*
- Copyright (C) Andrew Tridgell 1998
-
- 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.
-*/
-
-/* options parsing code */
+/* -*- 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 sanitize_paths;
+extern char curr_dir[MAXPATHLEN];
+extern struct exclude_list_struct exclude_list;
int make_backups = 0;
-int whole_file = 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 copy_links = 0;
int preserve_links = 0;
int preserve_hard_links = 0;
int preserve_times = 0;
int update_only = 0;
int cvs_exclude = 0;
-int dry_run=0;
-int local_server=0;
-int ignore_times=0;
-int delete_mode=0;
-int one_file_system=0;
-int remote_version=0;
-int sparse_files=0;
-int do_compression=0;
-int am_root=0;
-int orig_umask=0;
-int relative_paths=0;
+int dry_run = 0;
+int local_server = 0;
+int ignore_times = 0;
+int delete_mode = 0;
+int delete_excluded = 0;
+int one_file_system = 0;
+int protocol_version = PROTOCOL_VERSION;
+int sparse_files = 0;
+int do_compression = 0;
+int am_root = 0;
+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 io_error = 0;
int read_only = 0;
int module_id = -1;
int am_server = 0;
-int am_sender=0;
+int am_sender = 0;
+int am_generator = 0;
+char *files_from = NULL;
+int filesfrom_fd = -1;
+char *remote_filesfrom_file = NULL;
+int eol_nulls = 0;
int recurse = 0;
-int am_daemon=0;
-int am_client=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 bwlimit = 0;
+int delete_after = 0;
+int only_existing = 0;
+int opt_ignore_existing = 0;
+int max_delete = 0;
+int ignore_errors = 0;
+int modify_window = 0;
+int blocking_io = -1;
+int checksum_seed = 0;
+unsigned int block_size = 0;
+
+
+/** Network address family. **/
+#ifdef INET6
+int default_af_hint = 0; /* Any protocol */
+#else
+int default_af_hint = AF_INET; /* Must use IPv4 */
+#endif
-int block_size=BLOCK_SIZE;
+/** 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 = 0;
-char *backup_suffix = BACKUP_SUFFIX;
+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 *config_file = RSYNCD_CONF;
+char *compare_dest = NULL;
+char *config_file = NULL;
char *shell_cmd = NULL;
-
-char *rsync_path = RSYNC_NAME;
+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 = RSYNC_PORT;
+int link_dest = 0;
int verbose = 0;
+int quiet = 0;
int always_checksum = 0;
+int list_only = 0;
+#define FIXED_CHECKSUM_SEED 32761
+#define MAX_BATCH_PREFIX_LEN 256 /* Must be less than MAXPATHLEN-13 */
+char *batch_prefix = NULL;
-void usage(int F)
+static int daemon_opt; /* sets am_daemon after option error-reporting */
+static int modify_window_set;
+
+/** 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)
{
- rprintf(F,"rsync version %s Copyright Andrew Tridgell and Paul Mackerras\n\n",
- VERSION);
- rprintf(F,"Usage:\t%s [options] src user@host:dest\nOR",RSYNC_NAME);
- rprintf(F,"\t%s [options] user@host:src dest\n\n",RSYNC_NAME);
- rprintf(F,"Options:\n");
- rprintf(F,"-v, --verbose increase verbosity\n");
- rprintf(F,"-c, --checksum always checksum\n");
- rprintf(F,"-a, --archive archive mode (same as -rlptDog)\n");
- rprintf(F,"-r, --recursive recurse into directories\n");
- rprintf(F,"-R, --relative use relative path names\n");
- rprintf(F,"-b, --backup make backups (default ~ extension)\n");
- rprintf(F,"-u, --update update only (don't overwrite newer files)\n");
- rprintf(F,"-l, --links preserve soft links\n");
- rprintf(F,"-L, --copy-links treat soft links like regular files\n");
- rprintf(F,"-H, --hard-links preserve hard links\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,"-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 whole files, no incremental checks\n");
- rprintf(F,"-x, --one-file-system don't cross filesystem boundaries\n");
- rprintf(F,"-B, --block-size SIZE checksum blocking size\n");
- rprintf(F,"-e, --rsh COMMAND specify rsh replacement\n");
- rprintf(F," --rsync-path PATH specify path to rsync on the remote machine\n");
- rprintf(F,"-C, --cvs-exclude auto ignore files in the same way CVS does\n");
- rprintf(F," --delete delete files that don't exist on the sending side\n");
- rprintf(F," --force force deletion of directories even if not empty\n");
- rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
- rprintf(F," --timeout TIME set IO timeout in seconds\n");
- rprintf(F,"-I, --ignore-times don't exclude files that match length and time\n");
- rprintf(F,"-T --temp-dir DIR create temporary files in directory DIR\n");
- rprintf(F,"-z, --compress compress file data\n");
- rprintf(F," --exclude FILE exclude file FILE\n");
- rprintf(F," --exclude-from FILE exclude files listed in FILE\n");
- rprintf(F," --include FILE don't exclude file FILE\n");
- rprintf(F," --include-from FILE don't exclude files listed in FILE\n");
- rprintf(F," --suffix SUFFIX override backup suffix\n");
- rprintf(F," --version print version number\n");
- rprintf(F," --daemon run as a rsync daemon\n");
- rprintf(F," --config FILE specify alternate rsyncd.conf file\n");
- rprintf(F," --port PORT specify alternate rsyncd port number\n");
+ char const *got_socketpair = "no ";
+ char const *hardlinks = "no ";
+ char const *links = "no ";
+ char const *ipv6 = "no ";
+ STRUCT_STAT *dumstat;
+
+#ifdef HAVE_SOCKETPAIR
+ got_socketpair = "";
+#endif
- rprintf(F,"\n");
- rprintf(F,"the backup suffix defaults to %s\n",BACKUP_SUFFIX);
- rprintf(F,"the block size defaults to %d\n",BLOCK_SIZE);
+#if SUPPORT_HARD_LINKS
+ hardlinks = "";
+#endif
+
+#if SUPPORT_LINKS
+ links = "";
+#endif
+
+#if INET6
+ ipv6 = "";
+#endif
+
+ rprintf(f, "%s version %s protocol version %d\n",
+ RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION);
+ rprintf(f,
+ "Copyright (C) 1996-2004 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, " %sIPv6, %d-bit system inums, %d-bit internal inums\n",
+ ipv6,
+ (int) (sizeof dumstat->st_ino * 8),
+ (int) (sizeof (uint64) * 8));
+#ifdef MAINTAINER_MODE
+ rprintf(f, " panic action: \"%s\"\n",
+ get_panic_action());
+#endif
+
+#ifdef NO_INT64
+ rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
+#endif
+
+ 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"
+ );
}
-enum {OPT_VERSION,OPT_SUFFIX,OPT_SENDER,OPT_SERVER,OPT_EXCLUDE,
- OPT_EXCLUDE_FROM,OPT_DELETE,OPT_NUMERIC_IDS,OPT_RSYNC_PATH,
- OPT_FORCE,OPT_TIMEOUT,OPT_DAEMON,OPT_CONFIG,OPT_PORT,
- OPT_INCLUDE, OPT_INCLUDE_FROM};
-
-static char *short_options = "oblLWHpguDCtcahvrRIxnSe:B:T:z";
-
-static struct option long_options[] = {
- {"version", 0, 0, OPT_VERSION},
- {"server", 0, 0, OPT_SERVER},
- {"sender", 0, 0, OPT_SENDER},
- {"delete", 0, 0, OPT_DELETE},
- {"force", 0, 0, OPT_FORCE},
- {"numeric-ids", 0, 0, OPT_NUMERIC_IDS},
- {"exclude", 1, 0, OPT_EXCLUDE},
- {"exclude-from",1, 0, OPT_EXCLUDE_FROM},
- {"include", 1, 0, OPT_INCLUDE},
- {"include-from",1, 0, OPT_INCLUDE_FROM},
- {"rsync-path", 1, 0, OPT_RSYNC_PATH},
- {"one-file-system",0, 0, 'x'},
- {"ignore-times",0, 0, 'I'},
- {"help", 0, 0, 'h'},
- {"dry-run", 0, 0, 'n'},
- {"sparse", 0, 0, 'S'},
- {"cvs-exclude", 0, 0, 'C'},
- {"archive", 0, 0, 'a'},
- {"checksum", 0, 0, 'c'},
- {"backup", 0, 0, 'b'},
- {"update", 0, 0, 'u'},
- {"verbose", 0, 0, 'v'},
- {"recursive", 0, 0, 'r'},
- {"relative", 0, 0, 'R'},
- {"devices", 0, 0, 'D'},
- {"perms", 0, 0, 'p'},
- {"links", 0, 0, 'l'},
- {"copy-links", 0, 0, 'L'},
- {"whole-file", 0, 0, 'W'},
- {"hard-links", 0, 0, 'H'},
- {"owner", 0, 0, 'o'},
- {"group", 0, 0, 'g'},
- {"times", 0, 0, 't'},
- {"rsh", 1, 0, 'e'},
- {"suffix", 1, 0, OPT_SUFFIX},
- {"block-size", 1, 0, 'B'},
- {"timeout", 1, 0, OPT_TIMEOUT},
- {"temp-dir", 1, 0, 'T'},
- {"compress", 0, 0, 'z'},
- {"daemon", 0, 0, OPT_DAEMON},
- {"config", 1, 0, OPT_CONFIG},
- {"port", 1, 0, OPT_PORT},
- {0,0,0,0}};
-
-void parse_arguments(int argc, char *argv[])
+
+void usage(enum logcode F)
{
- int opt;
- int option_index;
-
- while ((opt = getopt_long(argc, argv,
- short_options, long_options, &option_index))
- != -1) {
- switch (opt)
- {
- case OPT_VERSION:
- printf("rsync version %s protocol version %d\n",
- VERSION,PROTOCOL_VERSION);
- exit_cleanup(0);
-
- case OPT_SUFFIX:
- backup_suffix = optarg;
- break;
-
- case OPT_RSYNC_PATH:
- rsync_path = optarg;
- break;
-
- case 'I':
- ignore_times = 1;
- break;
-
- case 'x':
- one_file_system=1;
- break;
-
- case OPT_DELETE:
- delete_mode = 1;
- break;
-
- case OPT_FORCE:
- force_delete = 1;
- break;
-
- case OPT_NUMERIC_IDS:
- numeric_ids = 1;
- break;
-
- case OPT_EXCLUDE:
- add_exclude(optarg, 0);
- break;
-
- case OPT_INCLUDE:
- add_exclude(optarg, 1);
- break;
-
- case OPT_EXCLUDE_FROM:
- add_exclude_file(optarg,1, 0);
- break;
-
- case OPT_INCLUDE_FROM:
- add_exclude_file(optarg,1, 1);
- break;
-
- case 'h':
- usage(FINFO);
- exit_cleanup(0);
-
- case 'b':
- make_backups=1;
- break;
-
- case 'n':
- dry_run=1;
- break;
-
- case 'S':
- sparse_files=1;
- break;
-
- case 'C':
- cvs_exclude=1;
- break;
-
- case 'u':
- update_only=1;
- break;
-
- case 'l':
- preserve_links=1;
- break;
-
- case 'L':
- copy_links=1;
- break;
-
- case 'W':
- whole_file=1;
- break;
-
- case 'H':
-#if SUPPORT_HARD_LINKS
- preserve_hard_links=1;
-#else
- rprintf(FERROR,"ERROR: hard links not supported on this platform\n");
- exit_cleanup(1);
+ 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 decrease verbosity\n");
+ rprintf(F," -c, --checksum always checksum\n");
+ rprintf(F," -a, --archive archive mode, equivalent to -rlptgoD\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 make backups into this directory\n");
+ rprintf(F," --suffix=SUFFIX backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
+ rprintf(F," -u, --update update only (don't overwrite newer files)\n");
+ rprintf(F," -l, --links copy symlinks as symlinks\n");
+ rprintf(F," -L, --copy-links copy the referent of all symlinks\n");
+ rprintf(F," --copy-unsafe-links copy the referent of \"unsafe\" symlinks\n");
+ rprintf(F," --safe-links ignore \"unsafe\" symlinks\n");
+ rprintf(F," -H, --hard-links preserve hard links\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," -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 whole files, no incremental checks\n");
+ rprintf(F," --no-whole-file turn off --whole-file\n");
+ rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
+ rprintf(F," -B, --block-size=SIZE checksum blocking size (default %d)\n",BLOCK_SIZE);
+ rprintf(F," -e, --rsh=COMMAND specify the remote shell\n");
+ rprintf(F," --rsync-path=PATH specify path to rsync on the remote machine\n");
+ rprintf(F," --existing only update files that already exist\n");
+ rprintf(F," --ignore-existing ignore files that already exist on receiving side\n");
+ rprintf(F," --delete delete files that don't exist on the sending side\n");
+ rprintf(F," --delete-excluded also delete excluded files on the receiving side\n");
+ rprintf(F," --delete-after receiver deletes after transferring, not before\n");
+ rprintf(F," --ignore-errors delete even if there are I/O errors\n");
+ rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
+ rprintf(F," --partial keep partially transferred files\n");
+ rprintf(F," --force force deletion of directories even if not empty\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 turn off mod time & file size quick check\n");
+ rprintf(F," --size-only ignore mod time for quick check (use 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," --compare-dest=DIR also compare destination files relative to DIR\n");
+ rprintf(F," --link-dest=DIR create hardlinks to DIR for unchanged files\n");
+ rprintf(F," -P equivalent to --partial --progress\n");
+ rprintf(F," -z, --compress compress file data\n");
+ rprintf(F," -C, --cvs-exclude auto ignore files in the same way CVS does\n");
+ rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
+ rprintf(F," --exclude-from=FILE exclude patterns listed in FILE\n");
+ rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
+ rprintf(F," --include-from=FILE don't exclude patterns listed in FILE\n");
+ rprintf(F," --files-from=FILE read FILE for list of source-file names\n");
+ rprintf(F," -0 --from0 all *-from file lists are delimited by nulls\n");
+ rprintf(F," --version print version number\n");
+ rprintf(F," --daemon run as an rsync daemon\n");
+ rprintf(F," --no-detach do not detach from the parent\n");
+ rprintf(F," --address=ADDRESS bind to the specified address\n");
+ rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
+ rprintf(F," --port=PORT specify alternate rsyncd port number\n");
+ rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
+ rprintf(F," --no-blocking-io turn off --blocking-io\n");
+ rprintf(F," --stats give some file transfer stats\n");
+ rprintf(F," --progress show progress during transfer\n");
+ rprintf(F," --log-format=FORMAT log file transfers using specified format\n");
+ rprintf(F," --password-file=FILE get password from FILE\n");
+ rprintf(F," --bwlimit=KBPS limit I/O bandwidth, KBytes per second\n");
+ rprintf(F," --write-batch=PREFIX write batch fileset starting with PREFIX\n");
+ rprintf(F," --read-batch=PREFIX read batch fileset starting with PREFIX\n");
+ rprintf(F," -h, --help show this help screen\n");
+#ifdef INET6
+ rprintf(F," -4 prefer IPv4\n");
+ rprintf(F," -6 prefer IPv6\n");
#endif
- break;
- case 'p':
- preserve_perms=1;
- break;
+ rprintf(F,"\n");
- case 'o':
- preserve_uid=1;
- break;
+ rprintf(F,"\nPlease 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");
+}
- case 'g':
- preserve_gid=1;
- break;
+enum {OPT_VERSION = 1000, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
+ OPT_DELETE_AFTER, OPT_DELETE_EXCLUDED, OPT_LINK_DEST,
+ OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW,
+ OPT_READ_BATCH, OPT_WRITE_BATCH,
+ 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 },
+ {"delete", 0, POPT_ARG_NONE, &delete_mode, 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 },
+ {"delete-after", 0, POPT_ARG_NONE, 0, OPT_DELETE_AFTER, 0, 0 },
+ {"delete-excluded", 0, POPT_ARG_NONE, 0, OPT_DELETE_EXCLUDED, 0, 0 },
+ {"force", 0, POPT_ARG_NONE, &force_delete, 0, 0, 0 },
+ {"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids, 0, 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 },
+ {"links", 'l', POPT_ARG_NONE, &preserve_links, 0, 0, 0 },
+ {"copy-links", 'L', POPT_ARG_NONE, ©_links, 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, ©_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 },
+ {"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 },
+ {"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_INT, &block_size, 0, 0, 0 },
+ {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
+ {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
+ {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
+ {"compare-dest", 0, POPT_ARG_STRING, &compare_dest, 0, 0, 0 },
+ {"link-dest", 0, POPT_ARG_STRING, &compare_dest, OPT_LINK_DEST, 0, 0 },
+ /* TODO: Should this take an optional int giving the compression level? */
+ {"compress", 'z', POPT_ARG_NONE, &do_compression, 0, 0, 0 },
+ {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
+ {"no-detach", 0, POPT_ARG_NONE, &no_detach, 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 },
+ {"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, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
+ {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
+ {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
+ {"log-format", 0, POPT_ARG_STRING, &log_format, 0, 0, 0 },
+ {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
+ {"address", 0, POPT_ARG_STRING, &bind_address, 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_prefix, OPT_READ_BATCH, 0, 0 },
+ {"write-batch", 0, POPT_ARG_STRING, &batch_prefix, OPT_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 },
+#ifdef INET6
+ {0, '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
+ {0, '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
+#endif
+ {0,0,0,0, 0, 0, 0}
+};
- case 'D':
- preserve_devices=1;
- break;
- case 't':
- preserve_times=1;
- break;
+static char err_buf[100];
- case 'c':
- always_checksum=1;
- break;
- case 'v':
- verbose++;
- break;
+/**
+ * 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]) {
+ rprintf(FLOG, "%s", err_buf);
+ rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
+ } else {
+ rprintf (FERROR, "Error parsing options: "
+ "option may be supported on client but not on server?\n");
+ rprintf (FERROR, RSYNC_NAME ": Error parsing options: "
+ "option may be supported on client but not on server?\n");
+ }
+}
+
+
+/**
+ * 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;
+
+ while (1) {
+ if ((cp = strchr(bp, ' ')) != NULL)
+ *cp= '\0';
+ for (op = long_options; ; op++) {
+ if (!op->longName) {
+ rprintf(FLOG,
+ "Unknown option %s in \"refuse options\" setting\n",
+ bp);
+ break;
+ }
+ if (strcmp(bp, op->longName) == 0) {
+ op->val = (op - long_options)+OPT_REFUSED_BASE;
+ break;
+ }
+ }
+ if (!cp)
+ break;
+ *cp = ' ';
+ bp = cp + 1;
+ }
+}
+
+
+static int count_args(char const **argv)
+{
+ int i = 0;
+
+ while (argv[i] != NULL)
+ i++;
+
+ return i;
+}
+
+
+/**
+ * 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);
+
+ 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_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_DELETE_AFTER:
+ delete_after = 1;
+ delete_mode = 1;
+ break;
+
+ case OPT_DELETE_EXCLUDED:
+ delete_excluded = 1;
+ delete_mode = 1;
+ break;
+
+ case OPT_EXCLUDE:
+ add_exclude(&exclude_list, poptGetOptArg(pc), 0);
+ break;
+
+ case OPT_INCLUDE:
+ add_exclude(&exclude_list, poptGetOptArg(pc),
+ XFLG_DEF_INCLUDE);
+ break;
+
+ case OPT_EXCLUDE_FROM:
+ arg = poptGetOptArg(pc);
+ if (sanitize_paths)
+ arg = alloc_sanitize_path(arg, curr_dir);
+ add_exclude_file(&exclude_list, arg,
+ XFLG_FATAL_ERRORS);
+ break;
+
+ case OPT_INCLUDE_FROM:
+ arg = poptGetOptArg(pc);
+ if (sanitize_paths)
+ arg = alloc_sanitize_path(arg, curr_dir);
+ add_exclude_file(&exclude_list, arg,
+ XFLG_FATAL_ERRORS | XFLG_DEF_INCLUDE);
+ 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 'P':
+ do_progress = 1;
+ keep_partial = 1;
+ break;
+
+ case OPT_WRITE_BATCH:
+ /* popt stores the filename in batch_prefix for us */
+ write_batch = 1;
+ checksum_seed = FIXED_CHECKSUM_SEED;
+ break;
+
+ case OPT_READ_BATCH:
+ /* popt stores the filename in batch_prefix for us */
+ read_batch = 1;
+ checksum_seed = FIXED_CHECKSUM_SEED;
+ break;
+
+ case OPT_LINK_DEST:
+#if HAVE_LINK
+ link_dest = 1;
+ break;
+#else
+ snprintf(err_buf, sizeof err_buf,
+ "hard links are not supported on this %s\n",
+ am_server ? "server" : "client");
+ rprintf(FERROR, "ERROR: %s", err_buf);
+ return 0;
+#endif
+
+ default:
+ /* A large opt value means that set_refuse_options()
+ * turned this option off (opt-BASE is its index). */
+ if (opt >= OPT_REFUSED_BASE) {
+ struct poptOption *op =
+ &long_options[opt-OPT_REFUSED_BASE];
+ int n = snprintf(err_buf, sizeof err_buf,
+ "This server does not support --%s\n",
+ op->longName) - 1;
+ if (op->shortName) {
+ snprintf(err_buf+n, sizeof err_buf-n,
+ " (-%c)\n", op->shortName);
+ }
+ } else {
+ 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 !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");
+ rprintf(FERROR, "ERROR: %s", err_buf);
+ return 0;
+ }
+#endif
+
+#if !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");
+ rprintf(FERROR, "ERROR: %s", err_buf);
+ return 0;
+ }
+#endif
+
+ if (write_batch && read_batch) {
+ rprintf(FERROR,
+ "write-batch and read-batch can not be used together\n");
+ exit_cleanup(RERR_SYNTAX);
+ }
+ if (batch_prefix && strlen(batch_prefix) > MAX_BATCH_PREFIX_LEN) {
+ rprintf(FERROR,
+ "the batch-file prefix must be %d characters or less.\n",
+ MAX_BATCH_PREFIX_LEN);
+ exit_cleanup(RERR_SYNTAX);
+ }
+
+ if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
+ rprintf(FERROR, "the --temp-dir path is WAY too long.\n");
+ exit_cleanup(RERR_SYNTAX);
+ }
- case 'a':
- recurse=1;
+ if (do_compression && (write_batch || read_batch)) {
+ rprintf(FERROR,
+ "compress can not be used with write-batch or read-batch\n");
+ exit_cleanup(RERR_SYNTAX);
+ }
+
+ if (archive_mode) {
+ if (!files_from)
+ recurse = 1;
#if SUPPORT_LINKS
- preserve_links=1;
+ preserve_links = 1;
#endif
- preserve_perms=1;
- preserve_times=1;
- preserve_gid=1;
- if (am_root) {
- preserve_devices=1;
- preserve_uid=1;
- }
- break;
-
- case OPT_SERVER:
- am_server = 1;
- break;
-
- case OPT_SENDER:
- if (!am_server) {
- usage(FERROR);
- exit_cleanup(1);
- }
- am_sender = 1;
- break;
-
- case 'r':
- recurse = 1;
- break;
-
- case 'R':
- relative_paths = 1;
- break;
-
- case 'e':
- shell_cmd = optarg;
- break;
-
- case 'B':
- block_size = atoi(optarg);
- break;
-
- case OPT_TIMEOUT:
- io_timeout = atoi(optarg);
- break;
-
- case 'T':
- tmpdir = optarg;
- break;
-
- case 'z':
- do_compression = 1;
- break;
-
- case OPT_DAEMON:
- am_daemon = 1;
- break;
+ preserve_perms = 1;
+ preserve_times = 1;
+ preserve_gid = 1;
+ preserve_uid = 1;
+ preserve_devices = 1;
+ }
- case OPT_CONFIG:
- config_file = optarg;
- break;
+ if (relative_paths < 0)
+ relative_paths = files_from? 1 : 0;
+
+ *argv = poptGetArgs(pc);
+ if (*argv)
+ *argc = count_args(*argv);
+ else
+ *argc = 0;
+
+ if (sanitize_paths) {
+ int i;
+ for (i = *argc; i-- > 0; )
+ (*argv)[i] = alloc_sanitize_path((*argv)[i], NULL);
+ if (tmpdir)
+ tmpdir = alloc_sanitize_path(tmpdir, curr_dir);
+ if (compare_dest)
+ compare_dest = alloc_sanitize_path(compare_dest, curr_dir);
+ if (backup_dir)
+ backup_dir = alloc_sanitize_path(backup_dir, curr_dir);
+ if (files_from)
+ files_from = alloc_sanitize_path(files_from, curr_dir);
+ }
+
+ if (daemon_opt) {
+ daemon_opt = 0;
+ am_daemon = 1;
+ return 1;
+ }
- case OPT_PORT:
- rsync_port = atoi(optarg);
- break;
+ if (!backup_suffix)
+ backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
+ backup_suffix_len = strlen(backup_suffix);
+ if (strchr(backup_suffix, '/') != NULL) {
+ rprintf(FERROR, "--suffix cannot contain slashes: %s\n",
+ backup_suffix);
+ exit_cleanup(RERR_SYNTAX);
+ }
+ 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) {
+ rprintf(FERROR, "the --backup-dir path is WAY too long.\n");
+ exit_cleanup(RERR_SYNTAX);
+ }
+ 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)) {
+ rprintf(FERROR,
+ "--suffix cannot be a null string without --backup-dir\n");
+ exit_cleanup(RERR_SYNTAX);
+ }
- default:
- /* rprintf(FERROR,"bad option -%c\n",opt); */
- exit_cleanup(1);
+ if (do_progress && !verbose)
+ verbose = 1;
+
+ if (files_from) {
+ char *colon;
+ if (*argc != 2 && !(am_server && am_sender && *argc == 1)) {
+ usage(FERROR);
+ exit_cleanup(RERR_SYNTAX);
+ }
+ if (strcmp(files_from, "-") == 0) {
+ filesfrom_fd = 0;
+ if (am_server)
+ remote_filesfrom_file = "-";
+ }
+ else if ((colon = find_colon(files_from)) != 0) {
+ if (am_server) {
+ usage(FERROR);
+ exit_cleanup(RERR_SYNTAX);
+ }
+ remote_filesfrom_file = colon+1 + (colon[1] == ':');
+ if (strcmp(remote_filesfrom_file, "-") == 0) {
+ rprintf(FERROR, "Invalid --files-from remote filename\n");
+ exit_cleanup(RERR_SYNTAX);
+ }
+ } else {
+ filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
+ if (filesfrom_fd < 0) {
+ rsyserr(FERROR, errno,
+ "failed to open files-from file %s",
+ files_from);
+ exit_cleanup(RERR_FILEIO);
+ }
+ }
}
- }
+
+ 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)
{
- int ac = *argc;
- static char argstr[50];
- static char bsize[30];
- static char iotime[30];
- int i, x;
-
- args[ac++] = "--server";
-
- if (!am_sender)
- args[ac++] = "--sender";
-
- x = 1;
- argstr[0] = '-';
- for (i=0;i<verbose;i++)
- argstr[x++] = 'v';
- if (make_backups)
- argstr[x++] = 'b';
- if (update_only)
- argstr[x++] = 'u';
- if (dry_run)
- argstr[x++] = 'n';
- if (preserve_links)
- argstr[x++] = 'l';
- if (copy_links)
- argstr[x++] = 'L';
- if (whole_file)
- argstr[x++] = 'W';
- if (preserve_hard_links)
- argstr[x++] = 'H';
- if (preserve_uid)
- argstr[x++] = 'o';
- if (preserve_gid)
- argstr[x++] = 'g';
- if (preserve_devices)
- argstr[x++] = 'D';
- if (preserve_times)
- argstr[x++] = 't';
- if (preserve_perms)
- argstr[x++] = 'p';
- if (recurse)
- argstr[x++] = 'r';
- if (always_checksum)
- argstr[x++] = 'c';
- if (cvs_exclude)
- argstr[x++] = 'C';
- if (ignore_times)
- argstr[x++] = 'I';
- if (relative_paths)
- argstr[x++] = 'R';
- if (one_file_system)
- argstr[x++] = 'x';
- if (sparse_files)
- argstr[x++] = 'S';
- if (do_compression)
- argstr[x++] = 'z';
- argstr[x] = 0;
-
- if (x != 1) args[ac++] = argstr;
-
- if (block_size != BLOCK_SIZE) {
- sprintf(bsize,"-B%d",block_size);
- args[ac++] = bsize;
- }
-
- if (io_timeout) {
- sprintf(iotime,"--timeout=%d",io_timeout);
- args[ac++] = iotime;
- }
-
- if (strcmp(backup_suffix, BACKUP_SUFFIX)) {
- args[ac++] = "--suffix";
- args[ac++] = backup_suffix;
- }
-
- if (delete_mode)
- args[ac++] = "--delete";
-
- if (force_delete)
- args[ac++] = "--force";
-
- if (numeric_ids)
- args[ac++] = "--numeric-ids";
-
- if (tmpdir) {
- args[ac++] = "--temp-dir";
- args[ac++] = tmpdir;
- }
-
- *argc = ac;
+ int ac = *argc;
+ static char argstr[50];
+ 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 (dry_run)
+ argstr[x++] = 'n';
+ if (preserve_links)
+ argstr[x++] = 'l';
+ if (copy_links)
+ argstr[x++] = 'L';
+
+ 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 (preserve_perms)
+ argstr[x++] = 'p';
+ if (recurse)
+ argstr[x++] = 'r';
+ if (always_checksum)
+ argstr[x++] = 'c';
+ if (cvs_exclude)
+ argstr[x++] = 'C';
+ if (ignore_times)
+ argstr[x++] = 'I';
+ if (relative_paths)
+ argstr[x++] = 'R';
+ if (one_file_system)
+ argstr[x++] = 'x';
+ if (sparse_files)
+ argstr[x++] = 'S';
+ if (do_compression)
+ argstr[x++] = 'z';
+
+ /* this is a complete hack - blame Rusty
+
+ this is a hack to make the list_only (remote file list)
+ more useful */
+ if (list_only && !recurse)
+ argstr[x++] = 'r';
+
+ argstr[x] = 0;
+
+ if (x != 1)
+ args[ac++] = argstr;
+
+ if (block_size) {
+ if (asprintf(&arg, "-B%u", 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 (batch_prefix) {
+ char *r_or_w = write_batch ? "write" : "read";
+ if (asprintf(&arg, "--%s-batch=%s", r_or_w, batch_prefix) < 0)
+ goto oom;
+ args[ac++] = 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 (delete_excluded)
+ args[ac++] = "--delete-excluded";
+ else if (delete_mode)
+ args[ac++] = "--delete";
+
+ 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 (keep_partial)
+ args[ac++] = "--partial";
+
+ if (force_delete)
+ args[ac++] = "--force";
+
+ if (delete_after)
+ args[ac++] = "--delete-after";
+
+ if (ignore_errors)
+ args[ac++] = "--ignore-errors";
+
+ if (copy_unsafe_links)
+ args[ac++] = "--copy-unsafe-links";
+
+ if (safe_symlinks)
+ args[ac++] = "--safe-links";
+
+ if (numeric_ids)
+ args[ac++] = "--numeric-ids";
+
+ if (only_existing && am_sender)
+ args[ac++] = "--existing";
+
+ if (opt_ignore_existing && am_sender)
+ args[ac++] = "--ignore-existing";
+
+ if (tmpdir) {
+ args[ac++] = "--temp-dir";
+ args[ac++] = tmpdir;
+ }
+
+ if (compare_dest && am_sender) {
+ /* the server only needs this option if it is not the sender,
+ * and it may be an older version that doesn't know this
+ * option, so don't send it if client is the sender.
+ */
+ args[ac++] = link_dest ? "--link-dest" : "--compare-dest";
+ args[ac++] = compare_dest;
+ }
+
+ if (files_from && (!am_sender || remote_filesfrom_file)) {
+ if (remote_filesfrom_file) {
+ args[ac++] = "--files-from";
+ args[ac++] = remote_filesfrom_file;
+ if (eol_nulls)
+ args[ac++] = "--from0";
+ } else {
+ args[ac++] = "--files-from=-";
+ args[ac++] = "--from0";
+ }
+ }
+
+ *argc = ac;
+ return;
+
+ oom:
+ out_of_memory("server_options");
}
+/**
+ * Return the position of a ':' IF it is not part of a filename (i.e. as
+ * long as it doesn't occur after a slash.
+ */
+char *find_colon(char *s)
+{
+ char *p, *p2;
+
+ p = strchr(s,':');
+ if (!p)
+ return NULL;
+
+ /* now check to see if there is a / in the string before the : - if there is then
+ discard the colon on the assumption that the : is part of a filename */
+ p2 = strchr(s,'/');
+ if (p2 && p2 < p)
+ return NULL;
+
+ return p;
+}