/* * 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); 	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;}