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/*
* Some usage & version related functions.
*
* 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
* 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 "version.h"
#include "latest-year.h"
#include "git-version.h"
#include "default-cvsignore.h"
extern struct name_num_obj valid_checksums;
extern struct name_num_obj valid_compressions;
static char *istring(const char *fmt, int val)
{
char *str;
if (asprintf(&str, fmt, val) < 0)
out_of_memory("istring");
return str;
}
static void print_info_flags(enum logcode f)
{
STRUCT_STAT *dumstat;
char line_buf[75];
int line_len, j;
char *info_flags[] = {
"*Capabilities",
istring("%d-bit files", (int)(sizeof (OFF_T) * 8)),
istring("%d-bit inums", (int)(sizeof dumstat->st_ino * 8)), /* Don't check ino_t! */
istring("%d-bit timestamps", (int)(sizeof (time_t) * 8)),
istring("%d-bit long ints", (int)(sizeof (int64) * 8)),
#ifndef HAVE_SOCKETPAIR
"no "
#endif
"socketpairs",
#ifndef SUPPORT_LINKS
"no "
#endif
"symlinks",
#ifndef CAN_SET_SYMLINK_TIMES
"no "
#endif
"symtimes",
#ifndef SUPPORT_HARD_LINKS
"no "
#endif
"hardlinks",
#ifndef CAN_HARDLINK_SPECIAL
"no "
#endif
"hardlink-specials",
#ifndef CAN_HARDLINK_SYMLINK
"no "
#endif
"hardlink-symlinks",
#ifndef INET6
"no "
#endif
"IPv6",
#ifndef SUPPORT_ATIMES
"no "
#endif
"atimes",
"batchfiles",
#ifndef HAVE_FTRUNCATE
"no "
#endif
"inplace",
#ifndef HAVE_FTRUNCATE
"no "
#endif
"append",
#ifndef SUPPORT_ACLS
"no "
#endif
"ACLs",
#ifndef SUPPORT_XATTRS
"no "
#endif
"xattrs",
#ifdef RSYNC_USE_PROTECTED_ARGS
"default "
#else
"optional "
#endif
"protect-args",
#ifndef ICONV_OPTION
"no "
#endif
"iconv",
#ifndef SUPPORT_PREALLOCATION
"no "
#endif
"prealloc",
#ifndef HAVE_MKTIME
"no "
#endif
"stop-at",
#ifndef SUPPORT_CRTIMES
"no "
#endif
"crtimes",
"*Optimizations",
#ifndef USE_ROLL_SIMD
"no "
#endif
"SIMD-roll",
#ifndef USE_ROLL_ASM
"no "
#endif
"asm-roll",
#ifndef USE_OPENSSL
"no "
#endif
"openssl-crypto",
#ifndef USE_MD5_ASM
"no "
#endif
"asm-MD5",
NULL
};
for (line_len = 0, j = 0; ; j++) {
char *str = info_flags[j], *next_nfo = str ? info_flags[j+1] : NULL;
int str_len = str && *str != '*' ? strlen(str) : 1000;
int need_comma = next_nfo && *next_nfo != '*' ? 1 : 0;
if (line_len && line_len + 1 + str_len + need_comma >= (int)sizeof line_buf) {
rprintf(f, " %s\n", line_buf);
line_len = 0;
}
if (!str)
break;
if (*str == '*') {
rprintf(f, "%s:\n", str+1);
continue;
}
line_len += snprintf(line_buf+line_len, sizeof line_buf - line_len, " %s%s", str, need_comma ? "," : "");
}
}
void print_rsync_version(enum logcode f)
{
char tmpbuf[256], *subprotocol = "";
#if SUBPROTOCOL_VERSION != 0
subprotocol = istring(".PR%d", SUBPROTOCOL_VERSION);
#endif
rprintf(f, "%s version %s protocol version %d%s\n",
RSYNC_NAME, rsync_version(), PROTOCOL_VERSION, subprotocol);
rprintf(f, "Copyright (C) 1996-" LATEST_YEAR " by Andrew Tridgell, Wayne Davison, and others.\n");
rprintf(f, "Web site: https://rsync.samba.org/\n");
print_info_flags(f);
init_checksum_choices();
rprintf(f, "Checksum list:\n");
get_default_nno_list(&valid_checksums, tmpbuf, sizeof tmpbuf, '(');
rprintf(f, " %s\n", tmpbuf);
rprintf(f, "Compress list:\n");
get_default_nno_list(&valid_compressions, tmpbuf, sizeof tmpbuf, '(');
rprintf(f, " %s\n", tmpbuf);
#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");
#include "help-rsync.h"
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) manpages for full documentation.\n");
rprintf(F,"See https://rsync.samba.org/ for updates, bug reports, and answers\n");
}
void daemon_usage(enum logcode F)
{
print_rsync_version(F);
rprintf(F,"\n");
rprintf(F,"Usage: rsync --daemon [OPTION]...\n");
#include "help-rsyncd.h"
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) manpage.\n");
}
const char *rsync_version(void)
{
#ifdef RSYNC_GITVER
return RSYNC_GITVER;
#else
return RSYNC_VERSION;
#endif
}
const char *default_cvsignore(void)
{
return DEFAULT_CVSIGNORE;
}
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