/* * Command-line (and received via daemon-socket) option parsing. * * Copyright (C) 1998-2001 Andrew Tridgell * Copyright (C) 2000, 2001, 2002 Martin Pool * Copyright (C) 2002-2014 Wayne Davison * * 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 3 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, visit the http://fsf.org website. */ #include "rsync.h" #include "itypes.h" #include #include extern int module_id; extern int local_server; extern int sanitize_paths; extern int daemon_over_rsh; extern unsigned int module_dirlen; extern filter_rule_list filter_list; extern filter_rule_list daemon_filter_list; #define NOT_SPECIFIED (-42) 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_dirlinks = 0; int copy_links = 0; int preserve_links = 0; int preserve_hard_links = 0; int preserve_acls = 0; int preserve_xattrs = 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 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_source_files = 0; int one_file_system = 0; int protocol_version = PROTOCOL_VERSION; int sparse_files = 0; int preallocate_files = 0; int do_compression = 0; int def_compress_level = NOT_SPECIFIED; int am_root = 0; /* 0 = normal, 1 = root, 2 = --super, -1 = --fake-super */ int am_server = 0; int am_sender = 0; int am_starting_up = 1; int relative_paths = -1; int implied_dirs = 1; int missing_args = 0; /* 0 = FERROR_XFER, 1 = ignore, 2 = delete */ int numeric_ids = 0; int msgs2stderr = 0; int allow_8bit_chars = 0; int force_delete = 0; int io_timeout = 0; int prune_empty_dirs = 0; int use_qsort = 0; char *files_from = NULL; int filesfrom_fd = -1; char *filesfrom_host = NULL; int eol_nulls = 0; int protect_args = -1; int human_readable = 1; int recurse = 0; int allow_inc_recurse = 1; int xfer_dirs = -1; int am_daemon = 0; int connect_timeout = 0; int keep_partial = 0; int safe_symlinks = 0; int copy_unsafe_links = 0; int munge_symlinks = 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 = INT_MIN; OFF_T max_size = -1; OFF_T min_size = -1; 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. */ char *skip_compress = NULL; item_list dparam_list = EMPTY_ITEM_LIST; /** Network address family. **/ int default_af_hint #ifdef INET6 = 0; /* Any protocol */ #else = AF_INET; /* Must use IPv4 */ # ifdef AF_INET6 # undef AF_INET6 # endif # define AF_INET6 AF_INET /* make -6 option a no-op */ #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 *logfile_name = NULL; char *logfile_format = NULL; char *stdout_format = NULL; char *password_file = NULL; char *rsync_path = RSYNC_PATH; char *backup_dir = NULL; char backup_dir_buf[MAXPATHLEN]; char *sockopts = NULL; char *usermap = NULL; char *groupmap = 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; static int remote_option_alloc = 0; int remote_option_cnt = 0; const char **remote_options = NULL; int quiet = 0; int output_motd = 1; int log_before_transfer = 0; int stdout_format_has_i = 0; int stdout_format_has_o_or_i = 0; int logfile_format_has_i = 0; int logfile_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; int need_unsorted_flist = 0; #ifdef ICONV_OPTION char *iconv_opt = ICONV_OPTION; #endif struct chmod_mode_struct *chmod_modes = NULL; static const char *debug_verbosity[] = { /*0*/ NULL, /*1*/ NULL, /*2*/ "BIND,CMD,CONNECT,DEL,DELTASUM,DUP,FILTER,FLIST,ICONV", /*3*/ "ACL,BACKUP,CONNECT2,DELTASUM2,DEL2,EXIT,FILTER2,FLIST2,FUZZY,GENR,OWN,RECV,SEND,TIME", /*4*/ "CMD2,DELTASUM3,DEL3,EXIT2,FLIST3,ICONV2,OWN2,PROTO,TIME2", /*5*/ "CHDIR,DELTASUM4,FLIST4,FUZZY2,HASH,HLINK", }; #define MAX_VERBOSITY ((int)(sizeof debug_verbosity / sizeof debug_verbosity[0]) - 1) static const char *info_verbosity[1+MAX_VERBOSITY] = { /*0*/ NULL, /*1*/ "COPY,DEL,FLIST,MISC,NAME,STATS,SYMSAFE", /*2*/ "BACKUP,MISC2,MOUNT,NAME2,REMOVE,SKIP", }; #define MAX_OUT_LEVEL 4 /* The largest N allowed for any flagN word. */ short info_levels[COUNT_INFO], debug_levels[COUNT_DEBUG]; #define DEFAULT_PRIORITY 0 /* Default/implied/--verbose set values. */ #define HELP_PRIORITY 1 /* The help output uses this level. */ #define USER_PRIORITY 2 /* User-specified via --info or --debug */ #define LIMIT_PRIORITY 3 /* Overriding priority when limiting values. */ #define W_CLI (1<<0) /* client side */ #define W_SRV (1<<1) /* server side */ #define W_SND (1<<2) /* sending side */ #define W_REC (1<<3) /* receiving side */ struct output_struct { char *name; /* The name of the info/debug flag. */ char *help; /* The description of the info/debug flag. */ uchar namelen; /* The length of the name string. */ uchar flag; /* The flag's value, for consistency check. */ uchar where; /* Bits indicating where the flag is used. */ uchar priority; /* See *_PRIORITY defines. */ }; #define INFO_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, INFO_##flag, where, 0 } static struct output_struct info_words[COUNT_INFO+1] = { INFO_WORD(BACKUP, W_REC, "Mention files backed up"), INFO_WORD(COPY, W_REC, "Mention files copied locally on the receiving side"), INFO_WORD(DEL, W_REC, "Mention deletions on the receiving side"), INFO_WORD(FLIST, W_CLI, "Mention file-list receiving/sending (levels 1-2)"), INFO_WORD(MISC, W_SND|W_REC, "Mention miscellaneous information (levels 1-2)"), INFO_WORD(MOUNT, W_SND|W_REC, "Mention mounts that were found or skipped"), INFO_WORD(NAME, W_SND|W_REC, "Mention 1) updated file/dir names, 2) unchanged names"), INFO_WORD(PROGRESS, W_CLI, "Mention 1) per-file progress or 2) total transfer progress"), INFO_WORD(REMOVE, W_SND, "Mention files removed on the sending side"), INFO_WORD(SKIP, W_REC, "Mention files that are skipped due to options used"), INFO_WORD(STATS, W_CLI|W_SRV, "Mention statistics at end of run (levels 1-3)"), INFO_WORD(SYMSAFE, W_SND|W_REC, "Mention symlinks that are unsafe"), { NULL, "--info", 0, 0, 0, 0 } }; #define DEBUG_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, DEBUG_##flag, where, 0 } static struct output_struct debug_words[COUNT_DEBUG+1] = { DEBUG_WORD(ACL, W_SND|W_REC, "Debug extra ACL info"), DEBUG_WORD(BACKUP, W_REC, "Debug backup actions (levels 1-2)"), DEBUG_WORD(BIND, W_CLI, "Debug socket bind actions"), DEBUG_WORD(CHDIR, W_CLI|W_SRV, "Debug when the current directory changes"), DEBUG_WORD(CONNECT, W_CLI, "Debug connection events (levels 1-2)"), DEBUG_WORD(CMD, W_CLI, "Debug commands+options that are issued (levels 1-2)"), DEBUG_WORD(DEL, W_REC, "Debug delete actions (levels 1-3)"), DEBUG_WORD(DELTASUM, W_SND|W_REC, "Debug delta-transfer checksumming (levels 1-4)"), DEBUG_WORD(DUP, W_REC, "Debug weeding of duplicate names"), DEBUG_WORD(EXIT, W_CLI|W_SRV, "Debug exit events (levels 1-3)"), DEBUG_WORD(FILTER, W_SND|W_REC, "Debug filter actions (levels 1-2)"), DEBUG_WORD(FLIST, W_SND|W_REC, "Debug file-list operations (levels 1-4)"), DEBUG_WORD(FUZZY, W_REC, "Debug fuzzy scoring (levels 1-2)"), DEBUG_WORD(GENR, W_REC, "Debug generator functions"), DEBUG_WORD(HASH, W_SND|W_REC, "Debug hashtable code"), DEBUG_WORD(HLINK, W_SND|W_REC, "Debug hard-link actions (levels 1-3)"), DEBUG_WORD(ICONV, W_CLI|W_SRV, "Debug iconv character conversions (levels 1-2)"), DEBUG_WORD(IO, W_CLI|W_SRV, "Debug I/O routines (levels 1-4)"), DEBUG_WORD(OWN, W_REC, "Debug ownership changes in users & groups (levels 1-2)"), DEBUG_WORD(PROTO, W_CLI|W_SRV, "Debug protocol information"), DEBUG_WORD(RECV, W_REC, "Debug receiver functions"), DEBUG_WORD(SEND, W_SND, "Debug sender functions"), DEBUG_WORD(TIME, W_REC, "Debug setting of modified times (levels 1-2)"), { NULL, "--debug", 0, 0, 0, 0 } }; static int verbose = 0; static int do_stats = 0; static int do_progress = 0; static int daemon_opt; /* sets am_daemon after option error-reporting */ static int omit_dir_times = 0; static int omit_link_times = 0; 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_delete_during; static int refused_inplace, refused_no_iconv; static BOOL usermap_via_chown, groupmap_via_chown; #ifdef HAVE_SETVBUF static char *outbuf_mode; #endif static char *bwlimit_arg, *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 output_item_help(struct output_struct *words); /* This constructs a string that represents all the options set for either * the --info or --debug setting, skipping any implied options (by -v, etc.). * This is used both when conveying the user's options to the server, and * when the help output wants to tell the user what options are implied. */ static char *make_output_option(struct output_struct *words, short *levels, uchar where) { char *str = words == info_words ? "--info=" : "--debug="; int j, counts[MAX_OUT_LEVEL+1], pos, skipped = 0, len = 0, max = 0, lev = 0; int word_count = words == info_words ? COUNT_INFO : COUNT_DEBUG; char *buf; memset(counts, 0, sizeof counts); for (j = 0; words[j].name; j++) { if (words[j].flag != j) { rprintf(FERROR, "rsync: internal error on %s%s: %d != %d\n", words == info_words ? "INFO_" : "DEBUG_", words[j].name, words[j].flag, j); exit_cleanup(RERR_UNSUPPORTED); } if (!(words[j].where & where)) continue; if (words[j].priority == DEFAULT_PRIORITY) { /* Implied items don't need to be mentioned. */ skipped++; continue; } len += len ? 1 : strlen(str); len += strlen(words[j].name); len += levels[j] == 1 ? 0 : 1; if (words[j].priority == HELP_PRIORITY) continue; /* no abbreviating for help */ assert(levels[j] <= MAX_OUT_LEVEL); if (++counts[levels[j]] > max) { /* Determine which level has the most items. */ lev = levels[j]; max = counts[lev]; } } /* Sanity check the COUNT_* define against the length of the table. */ if (j != word_count) { rprintf(FERROR, "rsync: internal error: %s is wrong! (%d != %d)\n", words == info_words ? "COUNT_INFO" : "COUNT_DEBUG", j, word_count); exit_cleanup(RERR_UNSUPPORTED); } if (!len) return NULL; len++; if (!(buf = new_array(char, len))) out_of_memory("make_output_option"); pos = 0; if (skipped || max < 5) lev = -1; else { if (lev == 0) pos += snprintf(buf, len, "%sNONE", str); else if (lev == 1) pos += snprintf(buf, len, "%sALL", str); else pos += snprintf(buf, len, "%sALL%d", str, lev); } for (j = 0; words[j].name && pos < len; j++) { if (words[j].priority == DEFAULT_PRIORITY || levels[j] == lev || !(words[j].where & where)) continue; if (pos) buf[pos++] = ','; else pos += strlcpy(buf+pos, str, len-pos); if (pos < len) pos += strlcpy(buf+pos, words[j].name, len-pos); /* Level 1 is implied by the name alone. */ if (levels[j] != 1 && pos < len) buf[pos++] = '0' + levels[j]; } buf[pos] = '\0'; return buf; } static void parse_output_words(struct output_struct *words, short *levels, const char *str, uchar priority) { const char *s; int j, len, lev; if (!str) return; while (*str) { if ((s = strchr(str, ',')) != NULL) len = s++ - str; else len = strlen(str); while (len && isDigit(str+len-1)) len--; lev = isDigit(str+len) ? atoi(str+len) : 1; if (lev > MAX_OUT_LEVEL) lev = MAX_OUT_LEVEL; if (len == 4 && strncasecmp(str, "help", 4) == 0) { output_item_help(words); exit_cleanup(0); } if (len == 4 && strncasecmp(str, "none", 4) == 0) len = lev = 0; else if (len == 3 && strncasecmp(str, "all", 3) == 0) len = 0; for (j = 0; words[j].name; j++) { if (!len || (len == words[j].namelen && strncasecmp(str, words[j].name, len) == 0)) { if (priority >= words[j].priority) { words[j].priority = priority; levels[j] = lev; } if (len) break; } } if (len && !words[j].name) { rprintf(FERROR, "Unknown %s item: \"%.*s\"\n", words[j].help, len, str); exit_cleanup(RERR_SYNTAX); } if (!s) break; str = s; } } /* Tell the user what all the info or debug flags mean. */ static void output_item_help(struct output_struct *words) { short *levels = words == info_words ? info_levels : debug_levels; const char **verbosity = words == info_words ? info_verbosity : debug_verbosity; char buf[128], *opt, *fmt = "%-10s %s\n"; int j; reset_output_levels(); rprintf(FINFO, "Use OPT or OPT1 for level 1 output, OPT2 for level 2, etc.; OPT0 silences.\n"); rprintf(FINFO, "\n"); for (j = 0; words[j].name; j++) rprintf(FINFO, fmt, words[j].name, words[j].help); rprintf(FINFO, "\n"); snprintf(buf, sizeof buf, "Set all %s options (e.g. all%d)", words[j].help, MAX_OUT_LEVEL); rprintf(FINFO, fmt, "ALL", buf); snprintf(buf, sizeof buf, "Silence all %s options (same as all0)", words[j].help); rprintf(FINFO, fmt, "NONE", buf); rprintf(FINFO, fmt, "HELP", "Output this help message"); rprintf(FINFO, "\n"); rprintf(FINFO, "Options added for each increase in verbose level:\n"); for (j = 1; j <= MAX_VERBOSITY; j++) { parse_output_words(words, levels, verbosity[j], HELP_PRIORITY); opt = make_output_option(words, levels, W_CLI|W_SRV|W_SND|W_REC); if (opt) { rprintf(FINFO, "%d) %s\n", j, strchr(opt, '=')+1); free(opt); } reset_output_levels(); } } /* The --verbose option now sets info+debug flags. */ static void set_output_verbosity(int level, uchar priority) { int j; if (level > MAX_VERBOSITY) level = MAX_VERBOSITY; for (j = 1; j <= level; j++) { parse_output_words(info_words, info_levels, info_verbosity[j], priority); parse_output_words(debug_words, debug_levels, debug_verbosity[j], priority); } } /* Limit the info+debug flag levels given a verbose-option level limit. */ void limit_output_verbosity(int level) { short info_limits[COUNT_INFO], debug_limits[COUNT_DEBUG]; int j; if (level > MAX_VERBOSITY) return; memset(info_limits, 0, sizeof info_limits); memset(debug_limits, 0, sizeof debug_limits); /* Compute the level limits in the above arrays. */ for (j = 1; j <= level; j++) { parse_output_words(info_words, info_limits, info_verbosity[j], LIMIT_PRIORITY); parse_output_words(debug_words, debug_limits, debug_verbosity[j], LIMIT_PRIORITY); } for (j = 0; j < COUNT_INFO; j++) { if (info_levels[j] > info_limits[j]) info_levels[j] = info_limits[j]; } for (j = 0; j < COUNT_DEBUG; j++) { if (debug_levels[j] > debug_limits[j]) debug_levels[j] = debug_limits[j]; } } void reset_output_levels(void) { int j; memset(info_levels, 0, sizeof info_levels); memset(debug_levels, 0, sizeof debug_levels); for (j = 0; j < COUNT_INFO; j++) info_words[j].priority = DEFAULT_PRIORITY; for (j = 0; j < COUNT_DEBUG; j++) debug_words[j].priority = DEFAULT_PRIORITY; } void negate_output_levels(void) { int j; for (j = 0; j < COUNT_INFO; j++) info_levels[j] *= -1; for (j = 0; j < COUNT_DEBUG; j++) debug_levels[j] *= -1; } static void print_rsync_version(enum logcode f) { char *subprotocol = ""; char const *got_socketpair = "no "; char const *have_inplace = "no "; char const *hardlinks = "no "; char const *prealloc = "no "; char const *symtimes = "no "; char const *acls = "no "; char const *xattrs = "no "; char const *links = "no "; char const *iconv = "no "; char const *ipv6 = "no "; STRUCT_STAT *dumstat; #if SUBPROTOCOL_VERSION != 0 if (asprintf(&subprotocol, ".PR%d", SUBPROTOCOL_VERSION) < 0) out_of_memory("print_rsync_version"); #endif #ifdef HAVE_SOCKETPAIR got_socketpair = ""; #endif #ifdef HAVE_FTRUNCATE have_inplace = ""; #endif #ifdef SUPPORT_HARD_LINKS hardlinks = ""; #endif #ifdef SUPPORT_PREALLOCATION prealloc = ""; #endif #ifdef SUPPORT_ACLS acls = ""; #endif #ifdef SUPPORT_XATTRS xattrs = ""; #endif #ifdef SUPPORT_LINKS links = ""; #endif #ifdef INET6 ipv6 = ""; #endif #ifdef ICONV_OPTION iconv = ""; #endif #ifdef CAN_SET_SYMLINK_TIMES symtimes = ""; #endif rprintf(f, "%s version %s protocol version %d%s\n", RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION, subprotocol); rprintf(f, "Copyright (C) 1996-2014 by Andrew Tridgell, Wayne Davison, and others.\n"); rprintf(f, "Web site: http://rsync.samba.org/\n"); rprintf(f, "Capabilities:\n"); rprintf(f, " %d-bit files, %d-bit inums, %d-bit timestamps, %d-bit long ints,\n", (int)(sizeof (OFF_T) * 8), (int)(sizeof dumstat->st_ino * 8), /* Don't check ino_t! */ (int)(sizeof (time_t) * 8), (int)(sizeof (int64) * 8)); rprintf(f, " %ssocketpairs, %shardlinks, %ssymlinks, %sIPv6, batchfiles, %sinplace,\n", got_socketpair, hardlinks, links, ipv6, have_inplace); rprintf(f, " %sappend, %sACLs, %sxattrs, %siconv, %ssymtimes, %sprealloc\n", have_inplace, acls, xattrs, iconv, symtimes, prealloc); #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"); rprintf(f,"rsync 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,"\n"); rprintf(F,"rsync is a file transfer program capable of efficient remote update\n"); rprintf(F,"via a fast differencing algorithm.\n"); rprintf(F,"\n"); rprintf(F,"Usage: 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,"\n"); rprintf(F,"Options\n"); rprintf(F," -v, --verbose increase verbosity\n"); rprintf(F," --info=FLAGS fine-grained informational verbosity\n"); rprintf(F," --debug=FLAGS fine-grained debug verbosity\n"); rprintf(F," --msgs2stderr special output handling for debugging\n"); rprintf(F," -q, --quiet suppress non-error messages\n"); rprintf(F," --no-motd suppress daemon-mode MOTD (see manpage caveat)\n"); rprintf(F," -c, --checksum skip based on checksum, not mod-time & size\n"); rprintf(F," -a, --archive archive mode; equals -rlptgoD (no -H,-A,-X)\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," --append-verify like --append, but with old data in file checksum\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," --munge-links munge symlinks to make them safer (but unusable)\n"); rprintf(F," -k, --copy-dirlinks transform symlink to a dir into referent dir\n"); rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n"); rprintf(F," -H, --hard-links preserve hard links\n"); rprintf(F," -p, --perms preserve permissions\n"); rprintf(F," -E, --executability preserve the file's executability\n"); rprintf(F," --chmod=CHMOD affect file and/or directory permissions\n"); #ifdef SUPPORT_ACLS rprintf(F," -A, --acls preserve ACLs (implies --perms)\n"); #endif #ifdef SUPPORT_XATTRS rprintf(F," -X, --xattrs preserve extended attributes\n"); #endif 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 modification times\n"); rprintf(F," -O, --omit-dir-times omit directories from --times\n"); rprintf(F," -J, --omit-link-times omit symlinks from --times\n"); rprintf(F," --super receiver attempts super-user activities\n"); #ifdef SUPPORT_XATTRS rprintf(F," --fake-super store/recover privileged attrs using xattrs\n"); #endif rprintf(F," -S, --sparse handle sparse files efficiently\n"); #ifdef SUPPORT_PREALLOCATION rprintf(F," --preallocate allocate dest files before writing them\n"); #else rprintf(F," --preallocate pre-allocate dest files on remote receiver\n"); #endif rprintf(F," -n, --dry-run perform a trial run with no changes made\n"); rprintf(F," -W, --whole-file copy files whole (without delta-xfer 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 skip creating new files on receiver\n"); rprintf(F," --ignore-existing skip updating files that already exist on receiver\n"); rprintf(F," --remove-source-files sender removes synchronized files (non-dirs)\n"); rprintf(F," --del an alias for --delete-during\n"); rprintf(F," --delete delete extraneous files from destination dirs\n"); rprintf(F," --delete-before receiver deletes before transfer, not during\n"); rprintf(F," --delete-during receiver deletes during the transfer\n"); rprintf(F," --delete-delay find deletions during, delete after\n"); rprintf(F," --delete-after receiver deletes after transfer, not during\n"); rprintf(F," --delete-excluded also delete excluded files from destination dirs\n"); rprintf(F," --ignore-missing-args ignore missing source args without error\n"); rprintf(F," --delete-missing-args delete missing source args from destination\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," --usermap=STRING custom username mapping\n"); rprintf(F," --groupmap=STRING custom groupname mapping\n"); rprintf(F," --chown=USER:GROUP simple username/groupname mapping\n"); rprintf(F," --timeout=SECONDS set I/O timeout in seconds\n"); rprintf(F," --contimeout=SECONDS set daemon connection timeout in seconds\n"); rprintf(F," -I, --ignore-times don't skip files that match in size and mod-time\n"); rprintf(F," -M, --remote-option=OPTION send OPTION to the remote side only\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," --skip-compress=LIST skip compressing files with a suffix in LIST\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," -s, --protect-args no space-splitting; only wildcard special-chars\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," -8, --8-bit-output leave high-bit chars unescaped in output\n"); rprintf(F," -h, --human-readable output numbers in a human-readable format\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," --out-format=FORMAT output updates using the specified FORMAT\n"); rprintf(F," --log-file=FILE log what we're doing to the specified FILE\n"); rprintf(F," --log-file-format=FMT log updates using the specified FMT\n"); rprintf(F," --password-file=FILE read daemon-access password from FILE\n"); rprintf(F," --list-only list the files instead of copying them\n"); rprintf(F," --bwlimit=RATE limit socket I/O bandwidth\n"); #ifdef HAVE_SETVBUF rprintf(F," --outbuf=N|L|B set output buffering to None, Line, or Block\n"); #endif 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 ICONV_OPTION rprintf(F," --iconv=CONVERT_SPEC request charset conversion of filenames\n"); #endif rprintf(F," --checksum-seed=NUM set block/file checksum seed (advanced)\n"); rprintf(F," -4, --ipv4 prefer IPv4\n"); rprintf(F," -6, --ipv6 prefer IPv6\n"); rprintf(F," --version print version number\n"); rprintf(F,"(-h) --help show this help (-h is --help only if used alone)\n"); rprintf(F,"\n"); rprintf(F,"Use \"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_APPEND, OPT_NO_ICONV, OPT_INFO, OPT_DEBUG, OPT_USERMAP, OPT_GROUPMAP, OPT_CHOWN, OPT_BWLIMIT, 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 }, {"info", 0, POPT_ARG_STRING, 0, OPT_INFO, 0, 0 }, {"debug", 0, POPT_ARG_STRING, 0, OPT_DEBUG, 0, 0 }, {"msgs2stderr", 0, POPT_ARG_NONE, &msgs2stderr, 0, 0, 0 }, {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 }, {"motd", 0, POPT_ARG_VAL, &output_motd, 1, 0, 0 }, {"no-motd", 0, POPT_ARG_VAL, &output_motd, 0, 0, 0 }, {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 }, {"human-readable", 'h', POPT_ARG_NONE, 0, 'h', 0, 0}, {"no-human-readable",0, POPT_ARG_VAL, &human_readable, 0, 0, 0}, {"no-h", 0, POPT_ARG_VAL, &human_readable, 0, 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 }, {"inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 }, {"no-inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 }, {"i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 }, {"no-i-r", 0, POPT_ARG_VAL, &allow_inc_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 }, {"old-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 }, {"old-d", 0, POPT_ARG_VAL, &xfer_dirs, 4, 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 }, {"acls", 'A', POPT_ARG_NONE, 0, 'A', 0, 0 }, {"no-acls", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 }, {"no-A", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 }, {"xattrs", 'X', POPT_ARG_NONE, 0, 'X', 0, 0 }, {"no-xattrs", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 }, {"no-X", 0, POPT_ARG_VAL, &preserve_xattrs, 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, 1, 0, 0 }, {"no-omit-dir-times",0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 }, {"no-O", 0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 }, {"omit-link-times", 'J', POPT_ARG_VAL, &omit_link_times, 1, 0, 0 }, {"no-omit-link-times",0, POPT_ARG_VAL, &omit_link_times, 0, 0, 0 }, {"no-J", 0, POPT_ARG_VAL, &omit_link_times, 0, 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 }, {"fake-super", 0, POPT_ARG_VAL, &am_root, -1, 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, ©_links, 0, 0, 0 }, {"copy-unsafe-links",0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 }, {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 }, {"munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 1, 0, 0 }, {"no-munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 0, 0, 0 }, {"copy-dirlinks", 'k', POPT_ARG_NONE, ©_dirlinks, 0, 0, 0 }, {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 }, {"hard-links", 'H', POPT_ARG_NONE, 0, 'H', 0, 0 }, {"no-hard-links", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 }, {"no-H", 0, POPT_ARG_VAL, &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 }, {"implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 }, {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 }, {"i-d", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 }, {"no-i-d", 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 }, {"no-one-file-system",0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 }, {"no-x", 0, POPT_ARG_VAL, &one_file_system, 0, 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_VAL, &sparse_files, 1, 0, 0 }, {"no-sparse", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 }, {"no-S", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 }, {"preallocate", 0, POPT_ARG_NONE, &preallocate_files, 0, 0, 0}, {"inplace", 0, POPT_ARG_VAL, &inplace, 1, 0, 0 }, {"no-inplace", 0, POPT_ARG_VAL, &inplace, 0, 0, 0 }, {"append", 0, POPT_ARG_NONE, 0, OPT_APPEND, 0, 0 }, {"append-verify", 0, POPT_ARG_VAL, &append_mode, 2, 0, 0 }, {"no-append", 0, POPT_ARG_VAL, &append_mode, 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_NONE, &delete_before, 0, 0, 0 }, {"delete-during", 0, POPT_ARG_VAL, &delete_during, 1, 0, 0 }, {"delete-delay", 0, POPT_ARG_VAL, &delete_during, 2, 0, 0 }, {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 }, {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 }, {"delete-missing-args",0,POPT_BIT_SET, &missing_args, 2, 0, 0 }, {"ignore-missing-args",0,POPT_BIT_SET, &missing_args, 1, 0, 0 }, {"remove-sent-files",0, POPT_ARG_VAL, &remove_source_files, 2, 0, 0 }, /* deprecated */ {"remove-source-files",0,POPT_ARG_VAL, &remove_source_files, 1, 0, 0 }, {"force", 0, POPT_ARG_VAL, &force_delete, 1, 0, 0 }, {"no-force", 0, POPT_ARG_VAL, &force_delete, 0, 0, 0 }, {"ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 1, 0, 0 }, {"no-ignore-errors", 0, POPT_ARG_VAL, &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_VAL, &always_checksum, 1, 0, 0 }, {"no-checksum", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 }, {"no-c", 0, POPT_ARG_VAL, &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, 0, 'y', 0, 0 }, {"no-fuzzy", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 }, {"no-y", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 }, {"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 }, {"old-compress", 0, POPT_ARG_VAL, &do_compression, 1, 0, 0 }, {"new-compress", 0, POPT_ARG_VAL, &do_compression, 2, 0, 0 }, {"no-compress", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 }, {"no-z", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 }, {"skip-compress", 0, POPT_ARG_STRING, &skip_compress, 0, 0, 0 }, {"compress-level", 0, POPT_ARG_INT, &def_compress_level, 0, 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_VAL, &delay_updates, 1, 0, 0 }, {"no-delay-updates", 0, POPT_ARG_VAL, &delay_updates, 0, 0, 0 }, {"prune-empty-dirs",'m', POPT_ARG_VAL, &prune_empty_dirs, 1, 0, 0 }, {"no-prune-empty-dirs",0,POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 }, {"no-m", 0, POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 }, {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 }, {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 }, {"out-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 }, {"log-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 }, /* DEPRECATED */ {"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 }, {"no-itemize-changes",0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 }, {"no-i", 0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 }, {"bwlimit", 0, POPT_ARG_STRING, &bwlimit_arg, OPT_BWLIMIT, 0, 0 }, {"no-bwlimit", 0, POPT_ARG_VAL, &bwlimit, 0, 0, 0 }, {"backup", 'b', POPT_ARG_VAL, &make_backups, 1, 0, 0 }, {"no-backup", 0, POPT_ARG_VAL, &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_VAL, &eol_nulls, 1, 0, 0}, {"no-from0", 0, POPT_ARG_VAL, &eol_nulls, 0, 0, 0}, {"protect-args", 's', POPT_ARG_VAL, &protect_args, 1, 0, 0}, {"no-protect-args", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0}, {"no-s", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0}, {"numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 1, 0, 0 }, {"no-numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 0, 0, 0 }, {"usermap", 0, POPT_ARG_STRING, 0, OPT_USERMAP, 0, 0 }, {"groupmap", 0, POPT_ARG_STRING, 0, OPT_GROUPMAP, 0, 0 }, {"chown", 0, POPT_ARG_STRING, 0, OPT_CHOWN, 0, 0 }, {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 }, {"no-timeout", 0, POPT_ARG_VAL, &io_timeout, 0, 0, 0 }, {"contimeout", 0, POPT_ARG_INT, &connect_timeout, 0, 0, 0 }, {"no-contimeout", 0, POPT_ARG_VAL, &connect_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 ICONV_OPTION {"iconv", 0, POPT_ARG_STRING, &iconv_opt, 0, 0, 0 }, {"no-iconv", 0, POPT_ARG_NONE, 0, OPT_NO_ICONV, 0, 0 }, #endif {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 }, {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 }, {"8-bit-output", '8', POPT_ARG_VAL, &allow_8bit_chars, 1, 0, 0 }, {"no-8-bit-output", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 }, {"no-8", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 }, {"qsort", 0, POPT_ARG_NONE, &use_qsort, 0, 0, 0 }, {"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 }, #ifdef HAVE_SETVBUF {"outbuf", 0, POPT_ARG_STRING, &outbuf_mode, 0, 0, 0 }, #endif {"remote-option", 'M', POPT_ARG_STRING, 0, 'M', 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 }, {"dparam", 0, POPT_ARG_STRING, 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,"\n"); rprintf(F,"Usage: rsync --daemon [OPTION]...\n"); rprintf(F," --address=ADDRESS bind to the specified address\n"); rprintf(F," --bwlimit=RATE limit socket I/O bandwidth\n"); rprintf(F," --config=FILE specify alternate rsyncd.conf file\n"); rprintf(F," -M, --dparam=OVERRIDE override global daemon config parameter\n"); rprintf(F," --no-detach do not detach from the parent\n"); rprintf(F," --port=PORT listen on alternate port number\n"); rprintf(F," --log-file=FILE override the \"log file\" setting\n"); rprintf(F," --log-file-format=FMT override the \"log format\" setting\n"); rprintf(F," --sockopts=OPTIONS specify custom TCP options\n"); rprintf(F," -v, --verbose increase verbosity\n"); rprintf(F," -4, --ipv4 prefer IPv4\n"); rprintf(F," -6, --ipv6 prefer IPv6\n"); rprintf(F," --help show this help screen\n"); rprintf(F,"\n"); rprintf(F,"If 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 }, {"dparam", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 }, {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 }, {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 }, {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 }, {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 }, {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 }, {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 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]) { strlcpy(err_buf, "Error parsing options: option may " "be supported on client but not on server?\n", sizeof err_buf); } rprintf(FERROR, RSYNC_NAME ": %s", err_buf); msleep(20); } /** * 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("delete-during", op->longName)) refused_delete_during = 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; else if (wildmatch("no-iconv", op->longName)) refused_no_iconv = 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; } } 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(arg); arg++) {} if (*arg == '.') for (arg++; isDigit(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 && def_suf == 'b') { /* 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 = (char)(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_p, const char ***argv_p) { static poptContext pc; char *ref = lp_refuse_options(module_id); const char *arg, **argv = *argv_p; int argc = *argc_p; int opt; if (ref && *ref) set_refuse_options(ref); if (am_daemon) { set_refuse_options("log-file*"); #ifdef ICONV_OPTION if (!*lp_charset(module_id)) set_refuse_options("iconv"); #endif } #ifdef ICONV_OPTION if (!am_daemon && protect_args <= 0 && (arg = getenv("RSYNC_ICONV")) != NULL && *arg) iconv_opt = strdup(arg); #endif /* TODO: Call poptReadDefaultConfig; handle errors. */ /* The context leaks in case of an error, but if there's a * problem we always exit anyhow. */ if (pc) poptFreeContext(pc); pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0); if (!am_server) 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; } #ifdef ICONV_OPTION iconv_opt = NULL; #endif break; case OPT_SENDER: if (!am_server) { usage(FERROR); exit_cleanup(RERR_SYNTAX); } am_sender = 1; break; case OPT_DAEMON: if (am_daemon) { strlcpy(err_buf, "Attempt to hack rsync thwarted!\n", sizeof err_buf); return 0; } #ifdef ICONV_OPTION iconv_opt = NULL; #endif protect_args = 0; poptFreeContext(pc); pc = poptGetContext(RSYNC_NAME, argc, argv, long_daemon_options, 0); while ((opt = poptGetNextOpt(pc)) != -1) { char **cpp; switch (opt) { case 'h': daemon_usage(FINFO); exit_cleanup(0); case 'M': arg = poptGetOptArg(pc); if (!strchr(arg, '=')) { rprintf(FERROR, "--dparam value is missing an '=': %s\n", arg); goto daemon_error; } cpp = EXPAND_ITEM_LIST(&dparam_list, char *, 4); *cpp = strdup(arg); break; 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 (dparam_list.count && !set_dparams(1)) exit_cleanup(RERR_SYNTAX); 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_p = argv = poptGetArgs(pc); *argc_p = 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_filter_str(&filter_list, poptGetOptArg(pc), rule_template(0), 0); break; case OPT_EXCLUDE: parse_filter_str(&filter_list, poptGetOptArg(pc), rule_template(0), XFLG_OLD_PREFIXES); break; case OPT_INCLUDE: parse_filter_str(&filter_list, poptGetOptArg(pc), rule_template(FILTRULE_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, SP_DEFAULT); if (daemon_filter_list.head) { int rej; char *cp = strdup(arg); if (!cp) out_of_memory("parse_arguments"); if (!*cp) rej = 1; else { char *dir = cp + (*cp == '/' ? module_dirlen : 0); clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS); rej = check_filter(&daemon_filter_list, FLOG, dir, 0) < 0; } free(cp); if (rej) goto options_rejected; } parse_filter_file(&filter_list, arg, rule_template(opt == OPT_INCLUDE_FROM ? FILTRULE_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 'h': human_readable++; break; case 'H': preserve_hard_links++; break; case 'i': itemize_changes++; break; case 'v': verbose++; break; case 'y': fuzzy_basis++; break; case 'q': quiet++; break; case 'x': one_file_system++; break; case 'F': switch (++F_option_cnt) { case 1: parse_filter_str(&filter_list,": /.rsync-filter",rule_template(0),0); break; case 2: parse_filter_str(&filter_list,"- .rsync-filter",rule_template(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': do_compression++; break; case 'M': arg = poptGetOptArg(pc); if (*arg != '-') { snprintf(err_buf, sizeof err_buf, "Remote option must start with a dash: %s\n", arg); return 0; } if (remote_option_cnt+2 >= remote_option_alloc) { remote_option_alloc += 16; remote_options = realloc_array(remote_options, const char *, remote_option_alloc); if (!remote_options) out_of_memory("parse_arguments"); if (!remote_option_cnt) remote_options[0] = "ARG0"; } remote_options[++remote_option_cnt] = arg; remote_options[remote_option_cnt+1] = NULL; 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_NO_ICONV: #ifdef ICONV_OPTION iconv_opt = NULL; #endif 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_BWLIMIT: { OFF_T limit = parse_size_arg(&bwlimit_arg, 'K'); if (limit < 0) { snprintf(err_buf, sizeof err_buf, "--bwlimit value is invalid: %s\n", bwlimit_arg); return 0; } bwlimit = (limit + 512) / 1024; if (limit && !bwlimit) { snprintf(err_buf, sizeof err_buf, "--bwlimit value is too small: %s\n", bwlimit_arg); return 0; } } break; case OPT_APPEND: if (am_server) append_mode++; else append_mode = 1; break; case OPT_LINK_DEST: #ifdef SUPPORT_HARD_LINKS 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; } /* We defer sanitizing this arg until we know what * our destination directory is going to be. */ basis_dir[basis_dir_cnt++] = (char *)poptGetOptArg(pc); 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_INFO: arg = poptGetOptArg(pc); parse_output_words(info_words, info_levels, arg, USER_PRIORITY); break; case OPT_DEBUG: arg = poptGetOptArg(pc); parse_output_words(debug_words, debug_levels, arg, USER_PRIORITY); break; case OPT_USERMAP: if (usermap) { if (usermap_via_chown) { snprintf(err_buf, sizeof err_buf, "--usermap conflicts with prior --chown.\n"); return 0; } snprintf(err_buf, sizeof err_buf, "You can only specify --usermap once.\n"); return 0; } usermap = (char *)poptGetOptArg(pc); usermap_via_chown = False; break; case OPT_GROUPMAP: if (groupmap) { if (groupmap_via_chown) { snprintf(err_buf, sizeof err_buf, "--groupmap conflicts with prior --chown.\n"); return 0; } snprintf(err_buf, sizeof err_buf, "You can only specify --groupmap once.\n"); return 0; } groupmap = (char *)poptGetOptArg(pc); groupmap_via_chown = False; break; case OPT_CHOWN: { const char *chown = poptGetOptArg(pc); int len; if ((arg = strchr(chown, ':')) != NULL) len = arg++ - chown; else len = strlen(chown); if (len) { if (usermap) { if (!usermap_via_chown) { snprintf(err_buf, sizeof err_buf, "--chown conflicts with prior --usermap.\n"); return 0; } snprintf(err_buf, sizeof err_buf, "You can only specify a user-affecting --chown once.\n"); return 0; } if (asprintf(&usermap, "*:%.*s", len, chown) < 0) out_of_memory("parse_arguments"); usermap_via_chown = True; } if (arg && *arg) { if (groupmap) { if (!groupmap_via_chown) { snprintf(err_buf, sizeof err_buf, "--chown conflicts with prior --groupmap.\n"); return 0; } snprintf(err_buf, sizeof err_buf, "You can only specify a group-affecting --chown once.\n"); return 0; } if (asprintf(&groupmap, "*:%s", arg) < 0) out_of_memory("parse_arguments"); groupmap_via_chown = True; } break; } case OPT_HELP: usage(FINFO); exit_cleanup(0); case 'A': #ifdef SUPPORT_ACLS preserve_acls = 1; preserve_perms = 1; break; #else /* FIXME: this should probably be ignored with a * warning and then countermeasures taken to * restrict group and other access in the presence * of any more restrictive ACLs, but this is safe * for now */ snprintf(err_buf,sizeof(err_buf), "ACLs are not supported on this %s\n", am_server ? "server" : "client"); return 0; #endif case 'X': #ifdef SUPPORT_XATTRS preserve_xattrs++; break; #else snprintf(err_buf,sizeof(err_buf), "extended attributes are not supported on this %s\n", am_server ? "server" : "client"); return 0; #endif 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 (protect_args < 0) { if (am_server) protect_args = 0; else if ((arg = getenv("RSYNC_PROTECT_ARGS")) != NULL && *arg) protect_args = atoi(arg) ? 1 : 0; else { #ifdef RSYNC_USE_PROTECTED_ARGS protect_args = 1; #else protect_args = 0; #endif } } if (human_readable > 1 && argc == 2 && !am_server) { /* Allow the old meaning of 'h' (--help) on its own. */ usage(FINFO); exit_cleanup(0); } if (do_compression || def_compress_level != NOT_SPECIFIED) { if (def_compress_level == NOT_SPECIFIED) def_compress_level = Z_DEFAULT_COMPRESSION; else 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; } else if (def_compress_level == Z_NO_COMPRESSION) do_compression = 0; else if (!do_compression) do_compression = 1; if (do_compression && refused_compress) { create_refuse_error(refused_compress); return 0; } #ifdef EXTERNAL_ZLIB if (do_compression == 1) { snprintf(err_buf, sizeof err_buf, "This rsync lacks old-style --compress due to its external zlib. Try -zz.\n"); if (am_server) return 0; fprintf(stderr, "%s" "Continuing without compression.\n\n", err_buf); do_compression = 0; } #endif } #ifdef HAVE_SETVBUF if (outbuf_mode && !am_server) { int mode = *(uchar *)outbuf_mode; if (islower(mode)) mode = toupper(mode); fflush(stdout); /* Just in case... */ switch (mode) { case 'N': /* None */ case 'U': /* Unbuffered */ mode = _IONBF; break; case 'L': /* Line */ mode = _IOLBF; break; case 'B': /* Block */ case 'F': /* Full */ mode = _IOFBF; break; default: snprintf(err_buf, sizeof err_buf, "Invalid --outbuf setting -- specify N, L, or B.\n"); return 0; } setvbuf(stdout, (char *)NULL, mode, 0); } if (msgs2stderr) { /* Make stderr line buffered for better sharing of the stream. */ fflush(stderr); /* Just in case... */ setvbuf(stderr, (char *)NULL, _IOLBF, 0); } #endif set_output_verbosity(verbose, DEFAULT_PRIORITY); if (do_stats) { parse_output_words(info_words, info_levels, verbose > 1 ? "stats3" : "stats2", DEFAULT_PRIORITY); } #ifdef ICONV_OPTION if (iconv_opt && protect_args != 2) { if (!am_server && strcmp(iconv_opt, "-") == 0) iconv_opt = NULL; else need_unsorted_flist = 1; } if (refused_no_iconv && !iconv_opt) { create_refuse_error(refused_no_iconv); return 0; } #endif if (fuzzy_basis > 1) fuzzy_basis = basis_dir_cnt + 1; if (protect_args == 1 && am_server) return 1; *argv_p = argv = poptGetArgs(pc); *argc_p = argc = count_args(argv); #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 #ifdef SUPPORT_XATTRS if (am_root < 0 && preserve_xattrs > 1) { snprintf(err_buf, sizeof err_buf, "--fake-super conflicts with -XX\n"); return 0; } #else if (am_root < 0) { snprintf(err_buf, sizeof err_buf, "--fake-super requires an rsync with extended attributes enabled\n"); return 0; } #endif if (block_size > MAX_BLOCK_SIZE) { snprintf(err_buf, sizeof err_buf, "--block-size=%lu is too large (max: %u)\n", block_size, MAX_BLOCK_SIZE); return 0; } 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; } else if (write_batch < 0 && 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 (read_batch && remove_source_files) { snprintf(err_buf, sizeof err_buf, "--read-batch cannot be used with --remove-%s-files\n", remove_source_files == 1 ? "source" : "sent"); 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 (max_delete < 0 && max_delete != INT_MIN) { /* Negative numbers are treated as "no deletions". */ max_delete = 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 (argc < 2 && !read_batch && !am_server) list_only |= 1; if (xfer_dirs >= 4) { parse_filter_str(&filter_list, "- /*/*", rule_template(0), 0); recurse = xfer_dirs = 1; } else if (recurse) xfer_dirs = 1; else if (xfer_dirs < 0) xfer_dirs = list_only ? 1 : 0; 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) { /* Only choose now between before & during if one is refused. */ if (refused_delete_before) { if (!refused_delete_during) delete_during = 1; else { create_refuse_error(refused_delete_before); return 0; } } else if (refused_delete_during) delete_before = 1; delete_mode = 1; } if (!xfer_dirs && delete_mode) { snprintf(err_buf, sizeof err_buf, "--delete does not work without --recursive (-r) or --dirs (-d).\n"); return 0; } if (missing_args == 3) /* simplify if both options were specified */ missing_args = 2; if (refused_delete && (delete_mode || missing_args == 2)) { create_refuse_error(refused_delete); return 0; } if (remove_source_files) { /* We only want to infer this refusal of --remove-source-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; } if (munge_symlinks && !am_daemon) { STRUCT_STAT st; char prefix[SYMLINK_PREFIX_LEN]; /* NOT +1 ! */ strlcpy(prefix, SYMLINK_PREFIX, sizeof prefix); /* trim the trailing slash */ if (do_stat(prefix, &st) == 0 && S_ISDIR(st.st_mode)) { rprintf(FERROR, "Symlink munging is unsafe when a %s directory exists.\n", prefix); exit_cleanup(RERR_UNSUPPORTED); } } if (sanitize_paths) { int i; for (i = argc; i-- > 0; ) argv[i] = sanitize_path(NULL, argv[i], "", 0, SP_KEEP_DOT_DIRS); if (tmpdir) tmpdir = sanitize_path(NULL, tmpdir, NULL, 0, SP_DEFAULT); if (backup_dir) backup_dir = sanitize_path(NULL, backup_dir, NULL, 0, SP_DEFAULT); } if (daemon_filter_list.head && !am_sender) { filter_rule_list *elp = &daemon_filter_list; if (tmpdir) { char *dir; if (!*tmpdir) goto options_rejected; dir = tmpdir + (*tmpdir == '/' ? module_dirlen : 0); clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS); if (check_filter(elp, FLOG, dir, 1) < 0) goto options_rejected; } if (backup_dir) { char *dir; if (!*backup_dir) goto options_rejected; dir = backup_dir + (*backup_dir == '/' ? module_dirlen : 0); clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS); if (check_filter(elp, FLOG, dir, 1) < 0) goto options_rejected; } } 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) { size_t len; while (*backup_dir == '.' && backup_dir[1] == '/') backup_dir += 2; if (*backup_dir == '.' && backup_dir[1] == '\0') backup_dir++; len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf); if (len > sizeof backup_dir_buf - 128) { snprintf(err_buf, sizeof err_buf, "the --backup-dir path is WAY too long.\n"); return 0; } backup_dir_len = (int)len; if (!backup_dir_len) { backup_dir_len = -1; backup_dir = NULL; } else if (backup_dir_buf[backup_dir_len - 1] != '/') { backup_dir_buf[backup_dir_len++] = '/'; backup_dir_buf[backup_dir_len] = '\0'; } backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len; } if (backup_dir) { /* No need for a suffix or a protect rule. */ } else if (!backup_suffix_len && (!am_server || !am_sender)) { snprintf(err_buf, sizeof err_buf, "--suffix cannot be empty %s\n", backup_dir_len < 0 ? "when --backup-dir is the same as the dest dir" : "without a --backup-dir"); return 0; } else if (make_backups && delete_mode && !delete_excluded && !am_server) { snprintf(backup_dir_buf, sizeof backup_dir_buf, "P *%s", backup_suffix); parse_filter_str(&filter_list, backup_dir_buf, rule_template(0), 0); } if (preserve_times) { preserve_times = PRESERVE_FILE_TIMES; if (!omit_dir_times) preserve_times |= PRESERVE_DIR_TIMES; #ifdef CAN_SET_SYMLINK_TIMES if (!omit_link_times) preserve_times |= PRESERVE_LINK_TIMES; #endif } if (make_backups && !backup_dir) { omit_dir_times = 0; /* Implied, so avoid -O to sender. */ preserve_times &= ~PRESERVE_DIR_TIMES; } if (stdout_format) { if (am_server && log_format_has(stdout_format, 'I')) stdout_format_has_i = 2; else if (log_format_has(stdout_format, 'i')) stdout_format_has_i = itemize_changes | 1; if (!log_format_has(stdout_format, 'b') && !log_format_has(stdout_format, 'c') && !log_format_has(stdout_format, 'C')) log_before_transfer = !am_server; } else if (itemize_changes) { stdout_format = "%i %n%L"; stdout_format_has_i = itemize_changes; log_before_transfer = !am_server; } if (do_progress && !am_server) { if (!log_before_transfer && INFO_EQ(NAME, 0)) parse_output_words(info_words, info_levels, "name", DEFAULT_PRIORITY); parse_output_words(info_words, info_levels, "flist2,progress", DEFAULT_PRIORITY); } if (dry_run) do_xfers = 0; set_io_timeout(io_timeout); if (INFO_GTE(NAME, 1) && !stdout_format) { stdout_format = "%n%L"; log_before_transfer = !am_server; } if (stdout_format_has_i || log_format_has(stdout_format, 'o')) stdout_format_has_o_or_i = 1; if (logfile_name && !am_daemon) { if (!logfile_format) { logfile_format = "%i %n%L"; logfile_format_has_i = logfile_format_has_o_or_i = 1; } else { if (log_format_has(logfile_format, 'i')) logfile_format_has_i = 1; if (logfile_format_has_i || log_format_has(logfile_format, 'o')) logfile_format_has_o_or_i = 1; } log_init(0); } else if (!am_daemon) logfile_format = NULL; 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 && !am_server) { if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg) partial_dir = strdup(arg); } if (partial_dir) { if (*partial_dir) clean_fname(partial_dir, CFN_COLLAPSE_DOT_DOT_DIRS); if (!*partial_dir || strcmp(partial_dir, ".") == 0) partial_dir = NULL; 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 && !am_server && 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, SP_DEFAULT); if (daemon_filter_list.head) { char *dir; if (!*files_from) goto options_rejected; dir = files_from + (*files_from == '/' ? module_dirlen : 0); clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS); if (check_filter(&daemon_filter_list, FLOG, dir, 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; options_rejected: snprintf(err_buf, sizeof err_buf, "Your options have been rejected by the server.\n"); return 0; } /** * 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_p) { static char argstr[64]; int ac = *argc_p; uchar where; char *arg; int i, x; /* This should always remain first on the server's command-line. */ args[ac++] = "--server"; if (daemon_over_rsh > 0) { args[ac++] = "--daemon"; *argc_p = ac; /* if we're passing --daemon, we're done */ return; } if (!am_sender) args[ac++] = "--sender"; x = 1; argstr[0] = '-'; if (protect_args) argstr[x++] = 's'; 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) /* Note: NOT "dry_run"! */ argstr[x++] = 'n'; if (preserve_links) argstr[x++] = 'l'; if ((xfer_dirs >= 2 && xfer_dirs < 4) || (xfer_dirs && !recurse && (list_only || (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) argstr[x++] = 'O'; if (omit_link_times) argstr[x++] = 'J'; if (fuzzy_basis) { argstr[x++] = 'y'; if (fuzzy_basis > 1) argstr[x++] = 'y'; } } else { if (copy_links) argstr[x++] = 'L'; if (copy_dirlinks) 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_hard_links > 1) 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'; #ifdef SUPPORT_ACLS if (preserve_acls) argstr[x++] = 'A'; #endif #ifdef SUPPORT_XATTRS if (preserve_xattrs) { argstr[x++] = 'X'; if (preserve_xattrs > 1) argstr[x++] = 'X'; } #endif 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 == 1) argstr[x++] = 'z'; set_allow_inc_recurse(); /* We don't really know the actual protocol_version at this point, * but checking the pre-negotiated value allows the user to use a * --protocol=29 override to avoid the use of this -eFLAGS opt. */ if (protocol_version >= 30) { /* We make use of the -e option to let the server know about * any pre-release protocol version && some behavior flags. */ argstr[x++] = 'e'; #if SUBPROTOCOL_VERSION != 0 if (protocol_version == PROTOCOL_VERSION) { x += snprintf(argstr+x, sizeof argstr - x, "%d.%d", PROTOCOL_VERSION, SUBPROTOCOL_VERSION); } else #endif argstr[x++] = '.'; if (allow_inc_recurse) argstr[x++] = 'i'; #ifdef CAN_SET_SYMLINK_TIMES argstr[x++] = 'L'; /* symlink time-setting support */ #endif #ifdef ICONV_OPTION argstr[x++] = 's'; /* symlink iconv translation support */ #endif argstr[x++] = 'f'; /* flist I/O-error safety support */ argstr[x++] = 'x'; /* xattr hardlink optimization not desired */ } if (x >= (int)sizeof argstr) { /* Not possible... */ rprintf(FERROR, "argstr overflow in server_options().\n"); exit_cleanup(RERR_MALLOC); } argstr[x] = '\0'; if (x > 1) args[ac++] = argstr; #ifdef ICONV_OPTION if (iconv_opt) { char *set = strchr(iconv_opt, ','); if (set) set++; else set = iconv_opt; if (asprintf(&arg, "--iconv=%s", set) < 0) goto oom; args[ac++] = arg; } #endif if (protect_args && !local_server) /* unprotected args stop here */ args[ac++] = NULL; 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 (stdout_format && am_sender) { /* Use --log-format, not --out-format, for compatibility. */ if (stdout_format_has_i > 1) args[ac++] = "--log-format=%i%I"; else if (stdout_format_has_i) args[ac++] = "--log-format=%i"; else if (stdout_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 (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 (max_delete > 0) { if (asprintf(&arg, "--max-delete=%d", max_delete) < 0) goto oom; args[ac++] = arg; } else if (max_delete == 0) args[ac++] = "--max-delete=-1"; if (min_size >= 0) { args[ac++] = "--min-size"; args[ac++] = min_size_arg; } if (max_size >= 0) { args[ac++] = "--max-size"; args[ac++] = max_size_arg; } if (delete_before) args[ac++] = "--delete-before"; else if (delete_during == 2) args[ac++] = "--delete-delay"; else if (delete_during) args[ac++] = "--delete-during"; else if (delete_after) args[ac++] = "--delete-after"; else if (delete_mode && !delete_excluded) args[ac++] = "--delete"; if (delete_excluded) args[ac++] = "--delete-excluded"; 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 (do_stats) args[ac++] = "--stats"; } else { if (skip_compress) { if (asprintf(&arg, "--skip-compress=%s", skip_compress) < 0) goto oom; args[ac++] = arg; } } /* --delete-missing-args needs the cooperation of both sides, but * the sender can handle --ignore-missing-args by itself. */ if (missing_args == 2) args[ac++] = "--delete-missing-args"; else if (missing_args == 1 && !am_sender) args[ac++] = "--ignore-missing-args"; 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 (use_qsort) args[ac++] = "--use-qsort"; if (am_sender) { if (usermap) { if (asprintf(&arg, "--usermap=%s", usermap) < 0) goto oom; args[ac++] = arg; } if (groupmap) { if (asprintf(&arg, "--groupmap=%s", groupmap) < 0) goto oom; args[ac++] = arg; } if (ignore_existing) args[ac++] = "--ignore-existing"; /* Backward compatibility: send --existing, not --ignore-non-existing. */ if (ignore_non_existing) args[ac++] = "--existing"; if (tmpdir) { args[ac++] = "--temp-dir"; args[ac++] = tmpdir; } if (basis_dir[0]) { /* 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. */ for (i = 0; i < basis_dir_cnt; i++) { args[ac++] = dest_option; args[ac++] = basis_dir[i]; } } } /* What flags do we need to send to the other side? */ where = (am_server ? W_CLI : W_SRV) | (am_sender ? W_REC : W_SND); arg = make_output_option(info_words, info_levels, where); if (arg) args[ac++] = arg; arg = make_output_option(debug_words, debug_levels, where); if (arg) args[ac++] = arg; if (append_mode) { if (append_mode > 1) args[ac++] = "--append"; args[ac++] = "--append"; } else if (inplace) args[ac++] = "--inplace"; 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"; } /* It's OK that this checks the upper-bound of the protocol_version. */ if (relative_paths && !implied_dirs && (!am_sender || protocol_version >= 30)) args[ac++] = "--no-implied-dirs"; if (remove_source_files == 1) args[ac++] = "--remove-source-files"; else if (remove_source_files) args[ac++] = "--remove-sent-files"; if (preallocate_files && am_sender) args[ac++] = "--preallocate"; if (ac > MAX_SERVER_ARGS) { /* Not possible... */ rprintf(FERROR, "argc overflow in server_options().\n"); exit_cleanup(RERR_MALLOC); } if (do_compression > 1) args[ac++] = "--new-compress"; if (remote_option_cnt) { int j; if (ac + remote_option_cnt > MAX_SERVER_ARGS) { rprintf(FERROR, "too many remote options specified.\n"); exit_cleanup(RERR_SYNTAX); } for (j = 1; j <= remote_option_cnt; j++) args[ac++] = (char*)remote_options[j]; } *argc_p = ac; return; oom: out_of_memory("server_options"); } /* If str points to a valid hostspec, return allocated memory containing the * [USER@]HOST part of the string, and set the path_start_ptr to the part of * the string after the host part. Otherwise, return NULL. If port_ptr is * non-NULL, we must be parsing an rsync:// URL hostname, and we will set * *port_ptr if a port number is found. Note that IPv6 IPs will have their * (required for parsing) [ and ] chars elided from the returned string. */ static char *parse_hostspec(char *str, char **path_start_ptr, int *port_ptr) { char *s, *host_start = str; int hostlen = 0, userlen = 0; char *ret; for (s = str; ; s++) { if (!*s) { /* It is only OK if we run out of string with rsync:// */ if (!port_ptr) return NULL; if (!hostlen) hostlen = s - host_start; break; } if (*s == ':' || *s == '/') { if (!hostlen) hostlen = s - host_start; if (*s++ == '/') { if (!port_ptr) return NULL; } else if (port_ptr) { *port_ptr = atoi(s); while (isDigit(s)) s++; if (*s && *s++ != '/') return NULL; } break; } if (*s == '@') { userlen = s - str + 1; host_start = s + 1; } else if (*s == '[') { if (s != host_start++) return NULL; while (*s && *s != ']' && *s != '/') s++; /*SHARED ITERATOR*/ hostlen = s - host_start; if (*s != ']' || (s[1] && s[1] != '/' && s[1] != ':') || !hostlen) return NULL; } } *path_start_ptr = s; ret = new_array(char, userlen + hostlen + 1); if (userlen) strlcpy(ret, str, userlen + 1); strlcpy(ret + userlen, host_start, hostlen + 1); return ret; } /* 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 *path; if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) { *host_ptr = parse_hostspec(s + strlen(URL_PREFIX), &path, port_ptr); if (*host_ptr) { if (!*port_ptr) *port_ptr = RSYNC_PORT; return path; } } *host_ptr = parse_hostspec(s, &path, NULL); if (!*host_ptr) return NULL; if (*path == ':') { if (port_ptr && !*port_ptr) *port_ptr = RSYNC_PORT; return path + 1; } if (port_ptr) *port_ptr = 0; return path; }