263 lines
6.1 KiB
C
263 lines
6.1 KiB
C
/*
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* Some usage & version related functions.
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*
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* Copyright (C) 2002-2020 Wayne Davison
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, visit the http://fsf.org website.
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*/
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#include "rsync.h"
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#include "version.h"
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#include "latest-year.h"
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#include "git-version.h"
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#include "default-cvsignore.h"
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extern struct name_num_obj valid_checksums;
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extern struct name_num_obj valid_compressions;
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static char *istring(const char *fmt, int val)
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{
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char *str;
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if (asprintf(&str, fmt, val) < 0)
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out_of_memory("istring");
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return str;
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}
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static void print_info_flags(enum logcode f)
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{
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STRUCT_STAT *dumstat;
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char line_buf[75];
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int line_len, j;
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char *info_flags[] = {
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"*Capabilities",
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istring("%d-bit files", (int)(sizeof (OFF_T) * 8)),
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istring("%d-bit inums", (int)(sizeof dumstat->st_ino * 8)), /* Don't check ino_t! */
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istring("%d-bit timestamps", (int)(sizeof (time_t) * 8)),
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istring("%d-bit long ints", (int)(sizeof (int64) * 8)),
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#ifndef HAVE_SOCKETPAIR
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"no "
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#endif
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"socketpairs",
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#ifndef SUPPORT_HARD_LINKS
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"no "
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#endif
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"hardlinks",
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#ifndef CAN_HARDLINK_SPECIAL
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"no "
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#endif
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"hardlink-specials",
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#ifndef SUPPORT_LINKS
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"no "
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#endif
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"symlinks",
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#ifndef INET6
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"no "
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#endif
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"IPv6",
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#ifndef SUPPORT_ATIMES
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"no "
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#endif
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"atimes",
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"batchfiles",
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#ifndef HAVE_FTRUNCATE
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"no "
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#endif
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"inplace",
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#ifndef HAVE_FTRUNCATE
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"no "
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#endif
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"append",
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#ifndef SUPPORT_ACLS
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"no "
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#endif
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"ACLs",
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#ifndef SUPPORT_XATTRS
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"no "
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#endif
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"xattrs",
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#ifdef RSYNC_USE_PROTECTED_ARGS
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"default "
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#else
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"optional "
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#endif
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"protect-args",
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#ifndef ICONV_OPTION
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"no "
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#endif
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"iconv",
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#ifndef CAN_SET_SYMLINK_TIMES
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"no "
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#endif
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"symtimes",
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#ifndef SUPPORT_PREALLOCATION
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"no "
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#endif
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"prealloc",
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#ifndef HAVE_MKTIME
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"no "
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#endif
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"stop-at",
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#ifndef SUPPORT_CRTIMES
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"no "
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#endif
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"crtimes",
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"*Optimizations",
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#ifndef HAVE_SIMD
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"no "
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#endif
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"SIMD",
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#ifndef HAVE_ASM
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"no "
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#endif
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"asm",
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#ifndef USE_OPENSSL
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"no "
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#endif
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"openssl-crypto",
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NULL
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};
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for (line_len = 0, j = 0; ; j++) {
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char *str = info_flags[j], *next_nfo = str ? info_flags[j+1] : NULL;
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int str_len = str && *str != '*' ? strlen(str) : 1000;
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int need_comma = next_nfo && *next_nfo != '*' ? 1 : 0;
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if (line_len && line_len + 1 + str_len + need_comma >= (int)sizeof line_buf) {
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rprintf(f, " %s\n", line_buf);
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line_len = 0;
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}
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if (!str)
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break;
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if (*str == '*') {
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rprintf(f, "%s:\n", str+1);
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continue;
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}
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line_len += snprintf(line_buf+line_len, sizeof line_buf - line_len, " %s%s", str, need_comma ? "," : "");
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}
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}
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void print_rsync_version(enum logcode f)
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{
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char tmpbuf[256], *subprotocol = "";
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#if SUBPROTOCOL_VERSION != 0
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subprotocol = istring(".PR%d", SUBPROTOCOL_VERSION);
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#endif
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rprintf(f, "%s version %s protocol version %d%s\n",
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RSYNC_NAME, rsync_version(), PROTOCOL_VERSION, subprotocol);
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rprintf(f, "Copyright (C) 1996-" LATEST_YEAR " by Andrew Tridgell, Wayne Davison, and others.\n");
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rprintf(f, "Web site: https://rsync.samba.org/\n");
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print_info_flags(f);
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rprintf(f, "Checksum list:\n");
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get_default_nno_list(&valid_checksums, tmpbuf, sizeof tmpbuf, '(');
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rprintf(f, " %s\n", tmpbuf);
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rprintf(f, "Compress list:\n");
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get_default_nno_list(&valid_compressions, tmpbuf, sizeof tmpbuf, '(');
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rprintf(f, " %s\n", tmpbuf);
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#ifdef MAINTAINER_MODE
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rprintf(f, "Panic Action: \"%s\"\n", get_panic_action());
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#endif
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#if SIZEOF_INT64 < 8
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rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
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#endif
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if (sizeof (int64) != SIZEOF_INT64) {
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rprintf(f,
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"WARNING: size mismatch in SIZEOF_INT64 define (%d != %d)\n",
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(int) SIZEOF_INT64, (int) sizeof (int64));
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}
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rprintf(f,"\n");
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rprintf(f,"rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n");
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rprintf(f,"are welcome to redistribute it under certain conditions. See the GNU\n");
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rprintf(f,"General Public Licence for details.\n");
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}
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void usage(enum logcode F)
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{
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print_rsync_version(F);
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rprintf(F,"\n");
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rprintf(F,"rsync is a file transfer program capable of efficient remote update\n");
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rprintf(F,"via a fast differencing algorithm.\n");
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rprintf(F,"\n");
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rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... DEST\n");
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rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
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rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
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rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
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rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC [DEST]\n");
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rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
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rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
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rprintf(F,"The ':' usages connect via remote shell, while '::' & 'rsync://' usages connect\n");
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rprintf(F,"to an rsync daemon, and require SRC or DEST to start with a module name.\n");
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rprintf(F,"\n");
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rprintf(F,"Options\n");
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#include "help-rsync.h"
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rprintf(F,"\n");
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rprintf(F,"Use \"rsync --daemon --help\" to see the daemon-mode command-line options.\n");
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rprintf(F,"Please see the rsync(1) and rsyncd.conf(5) man pages for full documentation.\n");
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rprintf(F,"See https://rsync.samba.org/ for updates, bug reports, and answers\n");
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}
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void daemon_usage(enum logcode F)
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{
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print_rsync_version(F);
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rprintf(F,"\n");
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rprintf(F,"Usage: rsync --daemon [OPTION]...\n");
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#include "help-rsyncd.h"
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rprintf(F,"\n");
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rprintf(F,"If you were not trying to invoke rsync as a daemon, avoid using any of the\n");
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rprintf(F,"daemon-specific rsync options. See also the rsyncd.conf(5) man page.\n");
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}
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const char *rsync_version(void)
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{
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return RSYNC_GITVER;
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}
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const char *default_cvsignore(void)
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{
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return DEFAULT_CVSIGNORE;
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}
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