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options.c
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/*
* Command-line (and received via daemon-socket) option parsing.
*
* Copyright (C) 1998-2001 Andrew Tridgell <tridge@samba.org>
* Copyright (C) 2000, 2001, 2002 Martin Pool <mbp@samba.org>
* Copyright (C) 2002-2020 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 "ifuncs.h"
#include <popt.h>
extern int module_id;
extern int local_server;
extern int sanitize_paths;
extern unsigned int module_dirlen;
extern filter_rule_list filter_list;
extern filter_rule_list daemon_filter_list;
int make_backups = 0;
/**
* If 1, send the whole file as literal data rather than trying to
* create an incremental diff.
*
* If -1, then look at whether we're local or remote and go by that.
*
* @sa disable_deltas_p()
**/
int whole_file = -1;
int append_mode = 0;
int keep_dirlinks = 0;
int copy_dirlinks = 0;
int copy_links = 0;
int write_devices = 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_mtimes = 0;
int preserve_atimes = 0;
int preserve_crtimes = 0;
int omit_dir_times = 0;
int omit_link_times = 0;
int update_only = 0;
int open_noatime = 0;
int cvs_exclude = 0;
int dry_run = 0;
int do_xfers = 1;
int do_fsync = 0;
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 do_compression_level = CLVL_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 = 2; /* Default: send errors to stderr for local & remote-shell transfers */
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 mkpath_dest_arg = 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;
int32 block_size = 0;
time_t stop_at_utime = 0;
char *skip_compress = NULL;
char *copy_as = 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 *early_input_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 alt_dest_type = 0;
int basis_dir_cnt = 0;
#define DEFAULT_MAX_ALLOC (1024L * 1024 * 1024)
size_t max_alloc = DEFAULT_MAX_ALLOC;
char *max_alloc_arg;
static int version_opt_cnt = 0;
static int remote_option_alloc = 0;
int remote_option_cnt = 0;
const char **remote_options = NULL;
const char *checksum_choice = NULL;
const char *compress_choice = 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;
char *iconv_opt =
#ifdef ICONV_OPTION
ICONV_OPTION;
#else
NULL;
#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*/ "NONREG",
/*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(NONREG, W_REC, "Mention skipped non-regular files (default 1, 0 disables)"),
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 skipped due to transfer overrides (levels 1-2)"),
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(NSTR, W_CLI|W_SRV, "Debug negotiation strings"),
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 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;
static char *outbuf_mode;
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++;
buf = new_array(char, len);
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;
for ( ; str; str = s) {
if ((s = strchr(str, ',')) != NULL)
len = s++ - str;
else
len = strlen(str);
if (!len)
continue;
if (!isDigit(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 && !am_server) {
rprintf(FERROR, "Unknown %s item: \"%.*s\"\n",
words[j].help, len, str);
exit_cleanup(RERR_SYNTAX);
}
}
}
/* 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 at each level of verbosity:\n");
for (j = 0; 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 = 0; 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 = 0; 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;
}
enum {OPT_SERVER = 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_BLOCK_SIZE,
OPT_USERMAP, OPT_GROUPMAP, OPT_CHOWN, OPT_BWLIMIT, OPT_STDERR,
OPT_OLD_COMPRESS, OPT_NEW_COMPRESS, OPT_NO_COMPRESS,
OPT_STOP_AFTER, OPT_STOP_AT,
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", 'V', POPT_ARG_NONE, 0, 'V', 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 },
{"stderr", 0, POPT_ARG_STRING, 0, OPT_STDERR, 0, 0 },
{"msgs2stderr", 0, POPT_ARG_VAL, &msgs2stderr, 1, 0, 0 },
{"no-msgs2stderr", 0, POPT_ARG_VAL, &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_mtimes, 1, 0, 0 },
{"no-times", 0, POPT_ARG_VAL, &preserve_mtimes, 0, 0, 0 },
{"no-t", 0, POPT_ARG_VAL, &preserve_mtimes, 0, 0, 0 },
{"atimes", 'U', POPT_ARG_NONE, 0, 'U', 0, 0 },
{"no-atimes", 0, POPT_ARG_VAL, &preserve_atimes, 0, 0, 0 },
{"no-U", 0, POPT_ARG_VAL, &preserve_atimes, 0, 0, 0 },
{"open-noatime", 0, POPT_ARG_VAL, &open_noatime, 1, 0, 0 },
{"no-open-noatime", 0, POPT_ARG_VAL, &open_noatime, 0, 0, 0 },
{"crtimes", 'N', POPT_ARG_VAL, &preserve_crtimes, 1, 0, 0 },
{"no-crtimes", 0, POPT_ARG_VAL, &preserve_crtimes, 0, 0, 0 },
{"no-N", 0, POPT_ARG_VAL, &preserve_crtimes, 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", '@', 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 },
{"write-devices", 0, POPT_ARG_VAL, &write_devices, 1, 0, 0 },
{"no-write-devices", 0, POPT_ARG_VAL, &write_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 },
{"max-alloc", 0, POPT_ARG_STRING, &max_alloc_arg, 0, 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 },
{"checksum-choice", 0, POPT_ARG_STRING, &checksum_choice, 0, 0, 0 },
{"cc", 0, POPT_ARG_STRING, &checksum_choice, 0, 0, 0 },
{"block-size", 'B', POPT_ARG_STRING, 0, OPT_BLOCK_SIZE, 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_NONE, 0, OPT_OLD_COMPRESS, 0, 0 },
{"new-compress", 0, POPT_ARG_NONE, 0, OPT_NEW_COMPRESS, 0, 0 },
{"no-compress", 0, POPT_ARG_NONE, 0, OPT_NO_COMPRESS, 0, 0 },
{"no-z", 0, POPT_ARG_NONE, 0, OPT_NO_COMPRESS, 0, 0 },
{"compress-choice", 0, POPT_ARG_STRING, &compress_choice, 0, 0, 0 },
{"zc", 0, POPT_ARG_STRING, &compress_choice, 0, 0, 0 },
{"skip-compress", 0, POPT_ARG_STRING, &skip_compress, 0, 0, 0 },
{"compress-level", 0, POPT_ARG_INT, &do_compression_level, 0, 0, 0 },
{"zl", 0, POPT_ARG_INT, &do_compression_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 },
{"fsync", 0, POPT_ARG_NONE, &do_fsync, 0, 0, 0 },
{"stop-after", 0, POPT_ARG_STRING, 0, OPT_STOP_AFTER, 0, 0 },
{"time-limit", 0, POPT_ARG_STRING, 0, OPT_STOP_AFTER, 0, 0 }, /* earlier stop-after name */
{"stop-at", 0, POPT_ARG_STRING, 0, OPT_STOP_AT, 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 },
{"iconv", 0, POPT_ARG_STRING, &iconv_opt, 0, 0, 0 },
{"no-iconv", 0, POPT_ARG_NONE, 0, OPT_NO_ICONV, 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 },
{"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 },
{"mkpath", 0, POPT_ARG_VAL, &mkpath_dest_arg, 1, 0, 0 },
{"no-mkpath", 0, POPT_ARG_VAL, &mkpath_dest_arg, 0, 0, 0 },
{"qsort", 0, POPT_ARG_NONE, &use_qsort, 0, 0, 0 },
{"copy-as", 0, POPT_ARG_STRING, ©_as, 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 },
{"early-input", 0, POPT_ARG_STRING, &early_input_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 },
{"outbuf", 0, POPT_ARG_STRING, &outbuf_mode, 0, 0, 0 },
{"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 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);
io_flush(MSG_FLUSH);
msleep(20);
}
static void parse_one_refuse_match(int negated, const char *ref, const struct poptOption *list_end)
{
struct poptOption *op;
char shortName[2];
int is_wild = strpbrk(ref, "*?[") != NULL;
int found_match = 0;
shortName[1] = '\0';
if (strcmp("a", ref) == 0 || strcmp("archive", ref) == 0) {
ref = "[ardlptgoD]";
is_wild = 1;
}
for (op = long_options; op != list_end; op++) {
*shortName = op->shortName;
if ((op->longName && wildmatch(ref, op->longName))
|| (*shortName && wildmatch(ref, shortName))) {
if (op->descrip[1] == '*')
op->descrip = negated ? "a*" : "r*";
else if (!is_wild)
op->descrip = negated ? "a=" : "r=";
found_match = 1;
if (!is_wild)
break;
}
}
if (!found_match)
rprintf(FLOG, "No match for refuse-options string \"%s\"\n", ref);
}
/**
* Tweak the option table to disable all options that the rsyncd.conf
* file has told us to refuse.
**/
static void set_refuse_options(void)
{
struct poptOption *op, *list_end = NULL;
char *cp, *ref = lp_refuse_options(module_id);
int negated;
if (!ref)
ref = "";
if (!am_daemon)
ref = "";
/* We abuse the descrip field in poptOption to make it easy to flag which options
* are refused (since we don't use it otherwise). Start by marking all options
* as "a"ccepted with a few options also marked as non-wild. */
for (op = long_options; ; op++) {
const char *longName = op->longName ? op->longName : "";
if (!op->longName && !op->shortName) {
list_end = op;
break;
}
if (!am_daemon
|| op->shortName == 'e' /* Required for compatibility flags */
|| op->shortName == '0' /* --from0 just modifies --files-from, so refuse that instead (or not) */
|| op->shortName == 's' /* --protect-args is always OK */
|| op->shortName == 'n' /* --dry-run is always OK */
|| strcmp("iconv", longName) == 0
|| strcmp("no-iconv", longName) == 0
|| strcmp("checksum-seed", longName) == 0
|| strcmp("write-devices", longName) == 0 /* disable wild-match (it gets refused below) */
|| strcmp("log-format", longName) == 0 /* aka out-format (NOT log-file-format) */
|| strcmp("sender", longName) == 0
|| strcmp("server", longName) == 0)
op->descrip = "a="; /* exact-match only */
else
op->descrip = "a*"; /* wild-card-able */
}
assert(list_end != NULL);
if (am_daemon) { /* Refused by default, but can be accepted via a negated exact match. */
parse_one_refuse_match(0, "write-devices", list_end);
}
while (1) {
while (*ref == ' ') ref++;
if (!*ref)
break;
if ((cp = strchr(ref, ' ')) != NULL)
*cp = '\0';
negated = *ref == '!';
if (negated && ref[1])
ref++;
parse_one_refuse_match(negated, ref, list_end);
if (!cp)
break;
*cp = ' ';
ref = cp + 1;
}
if (am_daemon) {
#ifdef ICONV_OPTION
if (!*lp_charset(module_id))
parse_one_refuse_match(0, "iconv", list_end);
#endif
parse_one_refuse_match(0, "log-file*", list_end);
}
#ifndef SUPPORT_ATIMES
parse_one_refuse_match(0, "atimes", list_end);
#endif
#ifndef SUPPORT_HARD_LINKS
parse_one_refuse_match(0, "link-dest", list_end);
#endif
#ifndef HAVE_MKTIME
parse_one_refuse_match(0, "stop-at", list_end);
#endif
#ifndef ICONV_OPTION
parse_one_refuse_match(0, "iconv", list_end);
#endif
#ifndef HAVE_SETVBUF
parse_one_refuse_match(0, "outbuf", list_end);
#endif