*
* 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
+ * Copyright (C) 2002-2022 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
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 saw_stderr_opt = 0;
int allow_8bit_chars = 0;
int force_delete = 0;
int io_timeout = 0;
char *filesfrom_host = NULL;
int eol_nulls = 0;
int protect_args = -1;
+int old_style_args = -1;
int human_readable = 1;
int recurse = 0;
int mkpath_dest_arg = 0;
#define MAX_VERBOSITY ((int)(sizeof debug_verbosity / sizeof debug_verbosity[0]) - 1)
static const char *info_verbosity[1+MAX_VERBOSITY] = {
- /*0*/ NULL,
+ /*0*/ "NONREG",
/*1*/ "COPY,DEL,FLIST,MISC,NAME,STATS,SYMSAFE",
/*2*/ "BACKUP,MISC2,MOUNT,NAME2,REMOVE,SKIP",
};
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 that are skipped due to options used (levels 1-2)"),
+ 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 }
rprintf(FINFO, fmt, "HELP", "Output this help message");
rprintf(FINFO, "\n");
- rprintf(FINFO, "Options added for each increase in verbose level:\n");
+ rprintf(FINFO, "Options added at each level of verbosity:\n");
- for (j = 1; j <= MAX_VERBOSITY; j++) {
+ 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) {
if (level > MAX_VERBOSITY)
level = MAX_VERBOSITY;
- for (j = 1; j <= level; j++) {
+ 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);
}
memset(debug_limits, 0, sizeof debug_limits);
/* Compute the level limits in the above arrays. */
- for (j = 1; j <= level; j++) {
+ 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);
}
{"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},
+ {"old-args", 0, POPT_ARG_VAL, &old_style_args, 1, 0, 0},
+ {"no-old-args", 0, POPT_ARG_VAL, &old_style_args, 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},
}
usermap = (char *)poptGetOptArg(pc);
usermap_via_chown = False;
+ preserve_uid = 1;
break;
case OPT_GROUPMAP:
}
groupmap = (char *)poptGetOptArg(pc);
groupmap_via_chown = False;
+ preserve_gid = 1;
break;
case OPT_CHOWN: {
if (asprintf(&usermap, "*:%.*s", len, chown) < 0)
out_of_memory("parse_arguments");
usermap_via_chown = True;
+ preserve_uid = 1;
}
if (arg && *arg) {
if (groupmap) {
if (asprintf(&groupmap, "*:%s", arg) < 0)
out_of_memory("parse_arguments");
groupmap_via_chown = True;
+ preserve_gid = 1;
}
break;
}
"--stderr mode \"%s\" is not one of errors, all, or client\n", arg);
return 0;
}
+ saw_stderr_opt = 1;
break;
}
}
}
+ if (msgs2stderr != 2)
+ saw_stderr_opt = 1;
+
if (version_opt_cnt) {
print_rsync_version(FINFO);
exit_cleanup(0);
max_alloc = size;
}
+ if (old_style_args < 0) {
+ if (!am_server && (arg = getenv("RSYNC_OLD_ARGS")) != NULL && *arg)
+ old_style_args = atoi(arg) ? 1 : 0;
+ else
+ old_style_args = 0;
+ }
+
if (protect_args < 0) {
if (am_server)
protect_args = 0;
}
+static char SPLIT_ARG_WHEN_OLD[1];
+
+/**
+ * Do backslash quoting of any weird chars in "arg", append the resulting
+ * string to the end of the "opt" (which gets a "=" appended if it is not
+ * an empty or NULL string), and return the (perhaps malloced) result.
+ * If opt is NULL, arg is considered a filename arg that allows wildcards.
+ * If it is "" or any other value, it is considered an option.
+ **/
+char *safe_arg(const char *opt, const char *arg)
+{
+#define SHELL_CHARS "!#$&;|<>(){}\"' \t\\"
+#define WILD_CHARS "*?[]" /* We don't allow remote brace expansion */
+ BOOL is_filename_arg = !opt;
+ char *escapes = is_filename_arg ? SHELL_CHARS : WILD_CHARS SHELL_CHARS;
+ BOOL escape_leading_dash = is_filename_arg && *arg == '-';
+ int len1 = opt && *opt ? strlen(opt) + 1 : 0;
+ int len2 = strlen(arg);
+ int extras = escape_leading_dash ? 2 : 0;
+ char *ret;
+ if (!protect_args && (!old_style_args || (!is_filename_arg && opt != SPLIT_ARG_WHEN_OLD))) {
+ const char *f;
+ for (f = arg; *f; f++) {
+ if (strchr(escapes, *f))
+ extras++;
+ }
+ }
+ if (!len1 && !extras)
+ return (char*)arg;
+ ret = new_array(char, len1 + len2 + extras + 1);
+ if (len1) {
+ memcpy(ret, opt, len1-1);
+ ret[len1-1] = '=';
+ }
+ if (escape_leading_dash) {
+ ret[len1++] = '.';
+ ret[len1++] = '/';
+ extras -= 2;
+ }
+ if (!extras)
+ memcpy(ret + len1, arg, len2);
+ else {
+ const char *f = arg;
+ char *t = ret + len1;
+ while (*f) {
+ if (strchr(escapes, *f))
+ *t++ = '\\';
+ *t++ = *f++;
+ }
+ }
+ ret[len1+len2+extras] = '\0';
+ return ret;
+}
+
+
/**
* Construct a filtered list of options to pass through from the
* client to the server.
set++;
else
set = iconv_opt;
- if (asprintf(&arg, "--iconv=%s", set) < 0)
- goto oom;
- args[ac++] = arg;
+ args[ac++] = safe_arg("--iconv", set);
}
#endif
}
if (backup_dir) {
+ /* This split idiom allows for ~/path expansion via the shell. */
args[ac++] = "--backup-dir";
- args[ac++] = backup_dir;
+ args[ac++] = safe_arg("", 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 (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0)
+ args[ac++] = safe_arg("--suffix", backup_suffix);
- if (checksum_choice) {
- if (asprintf(&arg, "--checksum-choice=%s", checksum_choice) < 0)
- goto oom;
- args[ac++] = arg;
- }
+ if (checksum_choice)
+ args[ac++] = safe_arg("--checksum-choice", checksum_choice);
if (do_compression == CPRES_ZLIBX)
args[ac++] = "--new-compress";
else if (compress_choice && do_compression == CPRES_ZLIB)
args[ac++] = "--old-compress";
- else if (compress_choice) {
- if (asprintf(&arg, "--compress-choice=%s", compress_choice) < 0)
- goto oom;
- args[ac++] = arg;
- }
+ else if (compress_choice)
+ args[ac++] = safe_arg("--compress-choice", compress_choice);
if (am_sender) {
if (max_delete > 0) {
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 (min_size >= 0)
+ args[ac++] = safe_arg("--min-size", min_size_arg);
+ if (max_size >= 0)
+ args[ac++] = safe_arg("--max-size", max_size_arg);
if (delete_before)
args[ac++] = "--delete-before";
else if (delete_during == 2)
if (do_stats)
args[ac++] = "--stats";
} else {
- if (skip_compress) {
- if (asprintf(&arg, "--skip-compress=%s", skip_compress) < 0)
- goto oom;
- args[ac++] = arg;
- }
+ if (skip_compress)
+ args[ac++] = safe_arg("--skip-compress", skip_compress);
}
- if (max_alloc_arg && max_alloc != DEFAULT_MAX_ALLOC) {
- args[ac++] = "--max-alloc";
- args[ac++] = max_alloc_arg;
- }
+ if (max_alloc_arg && max_alloc != DEFAULT_MAX_ALLOC)
+ args[ac++] = safe_arg("--max-alloc", max_alloc_arg);
/* --delete-missing-args needs the cooperation of both sides, but
* the sender can handle --ignore-missing-args by itself. */
if (partial_dir && am_sender) {
if (partial_dir != tmp_partialdir) {
args[ac++] = "--partial-dir";
- args[ac++] = partial_dir;
+ args[ac++] = safe_arg("", partial_dir);
}
if (delay_updates)
args[ac++] = "--delay-updates";
args[ac++] = "--use-qsort";
if (am_sender) {
- if (usermap) {
- if (asprintf(&arg, "--usermap=%s", usermap) < 0)
- goto oom;
- args[ac++] = arg;
- }
+ if (usermap)
+ args[ac++] = safe_arg("--usermap", usermap);
- if (groupmap) {
- if (asprintf(&arg, "--groupmap=%s", groupmap) < 0)
- goto oom;
- args[ac++] = arg;
- }
+ if (groupmap)
+ args[ac++] = safe_arg("--groupmap", groupmap);
if (ignore_existing)
args[ac++] = "--ignore-existing";
if (tmpdir) {
args[ac++] = "--temp-dir";
- args[ac++] = tmpdir;
+ args[ac++] = safe_arg("", tmpdir);
}
if (do_fsync)
*/
for (i = 0; i < basis_dir_cnt; i++) {
args[ac++] = alt_dest_opt(0);
- args[ac++] = basis_dir[i];
+ args[ac++] = safe_arg("", basis_dir[i]);
}
}
}
} else if (inplace) {
args[ac++] = "--inplace";
/* Work around a bug in older rsync versions (on the remote side) for --inplace --sparse */
- if (sparse_files && !whole_file)
+ if (sparse_files && !whole_file && am_sender)
args[ac++] = "--no-W";
}
if (files_from && (!am_sender || filesfrom_host)) {
if (filesfrom_host) {
args[ac++] = "--files-from";
- args[ac++] = files_from;
+ args[ac++] = safe_arg("", files_from);
if (eol_nulls)
args[ac++] = "--from0";
} else {
exit_cleanup(RERR_SYNTAX);
}
for (j = 1; j <= remote_option_cnt; j++)
- args[ac++] = (char*)remote_options[j];
+ args[ac++] = safe_arg(SPLIT_ARG_WHEN_OLD, remote_options[j]);
}
*argc_p = ac;