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Diffstat (limited to 'usr.bin/tar/bsdtar.c')
-rw-r--r--usr.bin/tar/bsdtar.c756
1 files changed, 0 insertions, 756 deletions
diff --git a/usr.bin/tar/bsdtar.c b/usr.bin/tar/bsdtar.c
deleted file mode 100644
index 1f250b6..0000000
--- a/usr.bin/tar/bsdtar.c
+++ /dev/null
@@ -1,756 +0,0 @@
-/*-
- * Copyright (c) 2003-2008 Tim Kientzle
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "bsdtar_platform.h"
-__FBSDID("$FreeBSD$");
-
-#ifdef HAVE_SYS_PARAM_H
-#include <sys/param.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-#ifdef HAVE_ERRNO_H
-#include <errno.h>
-#endif
-#ifdef HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-#ifdef HAVE_LANGINFO_H
-#include <langinfo.h>
-#endif
-#ifdef HAVE_LOCALE_H
-#include <locale.h>
-#endif
-#ifdef HAVE_PATHS_H
-#include <paths.h>
-#endif
-#ifdef HAVE_SIGNAL_H
-#include <signal.h>
-#endif
-#include <stdio.h>
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-#ifdef HAVE_STRING_H
-#include <string.h>
-#endif
-#ifdef HAVE_TIME_H
-#include <time.h>
-#endif
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#if HAVE_ZLIB_H
-#include <zlib.h>
-#endif
-
-#include "bsdtar.h"
-#include "err.h"
-
-/*
- * Per POSIX.1-1988, tar defaults to reading/writing archives to/from
- * the default tape device for the system. Pick something reasonable here.
- */
-#ifdef __linux
-#define _PATH_DEFTAPE "/dev/st0"
-#endif
-#if defined(_WIN32) && !defined(__CYGWIN__)
-#define _PATH_DEFTAPE "\\\\.\\tape0"
-#endif
-
-#ifndef _PATH_DEFTAPE
-#define _PATH_DEFTAPE "/dev/tape"
-#endif
-
-#ifdef __MINGW32__
-int _CRT_glob = 0; /* Disable broken CRT globbing. */
-#endif
-
-static struct bsdtar *_bsdtar;
-
-#if defined(HAVE_SIGACTION) && (defined(SIGINFO) || defined(SIGUSR1))
-static volatile int siginfo_occurred;
-
-static void
-siginfo_handler(int sig)
-{
- (void)sig; /* UNUSED */
- siginfo_occurred = 1;
-}
-
-int
-need_report(void)
-{
- int r = siginfo_occurred;
- siginfo_occurred = 0;
- return (r);
-}
-#else
-int
-need_report(void)
-{
- return (0);
-}
-#endif
-
-/* External function to parse a date/time string */
-time_t get_date(time_t, const char *);
-
-static void long_help(void);
-static void only_mode(struct bsdtar *, const char *opt,
- const char *valid);
-static void set_mode(struct bsdtar *, char opt);
-static void version(void);
-
-/* A basic set of security flags to request from libarchive. */
-#define SECURITY \
- (ARCHIVE_EXTRACT_SECURE_SYMLINKS \
- | ARCHIVE_EXTRACT_SECURE_NODOTDOT)
-
-int
-main(int argc, char **argv)
-{
- struct bsdtar *bsdtar, bsdtar_storage;
- int opt, t;
- char option_o;
- char possible_help_request;
- char buff[16];
- time_t now;
-
- /*
- * Use a pointer for consistency, but stack-allocated storage
- * for ease of cleanup.
- */
- _bsdtar = bsdtar = &bsdtar_storage;
- memset(bsdtar, 0, sizeof(*bsdtar));
- bsdtar->fd = -1; /* Mark as "unused" */
- bsdtar->gid = -1;
- bsdtar->uid = -1;
- option_o = 0;
-
-#if defined(HAVE_SIGACTION) && (defined(SIGINFO) || defined(SIGUSR1))
- { /* Catch SIGINFO and SIGUSR1, if they exist. */
- struct sigaction sa;
- sa.sa_handler = siginfo_handler;
- sigemptyset(&sa.sa_mask);
- sa.sa_flags = 0;
-#ifdef SIGINFO
- if (sigaction(SIGINFO, &sa, NULL))
- lafe_errc(1, errno, "sigaction(SIGINFO) failed");
-#endif
-#ifdef SIGUSR1
- /* ... and treat SIGUSR1 the same way as SIGINFO. */
- if (sigaction(SIGUSR1, &sa, NULL))
- lafe_errc(1, errno, "sigaction(SIGUSR1) failed");
-#endif
- }
-#endif
-
- /* Need lafe_progname before calling lafe_warnc. */
- if (*argv == NULL)
- lafe_progname = "bsdtar";
- else {
-#if defined(_WIN32) && !defined(__CYGWIN__)
- lafe_progname = strrchr(*argv, '\\');
-#else
- lafe_progname = strrchr(*argv, '/');
-#endif
- if (lafe_progname != NULL)
- lafe_progname++;
- else
- lafe_progname = *argv;
- }
-
- time(&now);
-
-#if HAVE_SETLOCALE
- if (setlocale(LC_ALL, "") == NULL)
- lafe_warnc(0, "Failed to set default locale");
-#endif
-#if defined(HAVE_NL_LANGINFO) && defined(HAVE_D_MD_ORDER)
- bsdtar->day_first = (*nl_langinfo(D_MD_ORDER) == 'd');
-#endif
- possible_help_request = 0;
-
- /* Look up uid of current user for future reference */
- bsdtar->user_uid = geteuid();
-
- /* Default: open tape drive. */
- bsdtar->filename = getenv("TAPE");
- if (bsdtar->filename == NULL)
- bsdtar->filename = _PATH_DEFTAPE;
-
- /* Default: preserve mod time on extract */
- bsdtar->extract_flags = ARCHIVE_EXTRACT_TIME;
-
- /* Default: Perform basic security checks. */
- bsdtar->extract_flags |= SECURITY;
-
-#ifndef _WIN32
- /* On POSIX systems, assume --same-owner and -p when run by
- * the root user. This doesn't make any sense on Windows. */
- if (bsdtar->user_uid == 0) {
- /* --same-owner */
- bsdtar->extract_flags |= ARCHIVE_EXTRACT_OWNER;
- /* -p */
- bsdtar->extract_flags |= ARCHIVE_EXTRACT_PERM;
- bsdtar->extract_flags |= ARCHIVE_EXTRACT_ACL;
- bsdtar->extract_flags |= ARCHIVE_EXTRACT_XATTR;
- bsdtar->extract_flags |= ARCHIVE_EXTRACT_FFLAGS;
- }
-#endif
-
- bsdtar->argv = argv;
- bsdtar->argc = argc;
-
- /*
- * Comments following each option indicate where that option
- * originated: SUSv2, POSIX, GNU tar, star, etc. If there's
- * no such comment, then I don't know of anyone else who
- * implements that option.
- */
- while ((opt = bsdtar_getopt(bsdtar)) != -1) {
- switch (opt) {
- case 'B': /* GNU tar */
- /* libarchive doesn't need this; just ignore it. */
- break;
- case 'b': /* SUSv2 */
- t = atoi(bsdtar->optarg);
- if (t <= 0 || t > 8192)
- lafe_errc(1, 0,
- "Argument to -b is out of range (1..8192)");
- bsdtar->bytes_per_block = 512 * t;
- break;
- case 'C': /* GNU tar */
- set_chdir(bsdtar, bsdtar->optarg);
- break;
- case 'c': /* SUSv2 */
- set_mode(bsdtar, opt);
- break;
- case OPTION_CHECK_LINKS: /* GNU tar */
- bsdtar->option_warn_links = 1;
- break;
- case OPTION_CHROOT: /* NetBSD */
- bsdtar->option_chroot = 1;
- break;
- case OPTION_EXCLUDE: /* GNU tar */
- if (lafe_exclude(&bsdtar->matching, bsdtar->optarg))
- lafe_errc(1, 0,
- "Couldn't exclude %s\n", bsdtar->optarg);
- break;
- case OPTION_FORMAT: /* GNU tar, others */
- bsdtar->create_format = bsdtar->optarg;
- break;
- case 'f': /* SUSv2 */
- bsdtar->filename = bsdtar->optarg;
- if (strcmp(bsdtar->filename, "-") == 0)
- bsdtar->filename = NULL;
- break;
- case OPTION_GID: /* cpio */
- t = atoi(bsdtar->optarg);
- if (t < 0)
- lafe_errc(1, 0,
- "Argument to --gid must be positive");
- bsdtar->gid = t;
- break;
- case OPTION_GNAME: /* cpio */
- bsdtar->gname = bsdtar->optarg;
- break;
- case 'H': /* BSD convention */
- bsdtar->symlink_mode = 'H';
- break;
- case 'h': /* Linux Standards Base, gtar; synonym for -L */
- bsdtar->symlink_mode = 'L';
- /* Hack: -h by itself is the "help" command. */
- possible_help_request = 1;
- break;
- case OPTION_HELP: /* GNU tar, others */
- long_help();
- exit(0);
- break;
- case 'I': /* GNU tar */
- /*
- * TODO: Allow 'names' to come from an archive,
- * not just a text file. Design a good UI for
- * allowing names and mode/owner to be read
- * from an archive, with contents coming from
- * disk. This can be used to "refresh" an
- * archive or to design archives with special
- * permissions without having to create those
- * permissions on disk.
- */
- bsdtar->names_from_file = bsdtar->optarg;
- break;
- case OPTION_INCLUDE:
- /*
- * Noone else has the @archive extension, so
- * noone else needs this to filter entries
- * when transforming archives.
- */
- if (lafe_include(&bsdtar->matching, bsdtar->optarg))
- lafe_errc(1, 0,
- "Failed to add %s to inclusion list",
- bsdtar->optarg);
- break;
- case 'j': /* GNU tar */
- if (bsdtar->create_compression != '\0')
- lafe_errc(1, 0,
- "Can't specify both -%c and -%c", opt,
- bsdtar->create_compression);
- bsdtar->create_compression = opt;
- break;
- case 'J': /* GNU tar 1.21 and later */
- if (bsdtar->create_compression != '\0')
- lafe_errc(1, 0,
- "Can't specify both -%c and -%c", opt,
- bsdtar->create_compression);
- bsdtar->create_compression = opt;
- break;
- case 'k': /* GNU tar */
- bsdtar->extract_flags |= ARCHIVE_EXTRACT_NO_OVERWRITE;
- break;
- case OPTION_KEEP_NEWER_FILES: /* GNU tar */
- bsdtar->extract_flags |= ARCHIVE_EXTRACT_NO_OVERWRITE_NEWER;
- break;
- case 'L': /* BSD convention */
- bsdtar->symlink_mode = 'L';
- break;
- case 'l': /* SUSv2 and GNU tar beginning with 1.16 */
- /* GNU tar 1.13 used -l for --one-file-system */
- bsdtar->option_warn_links = 1;
- break;
- case OPTION_LZMA:
- if (bsdtar->create_compression != '\0')
- lafe_errc(1, 0,
- "Can't specify both -%c and -%c", opt,
- bsdtar->create_compression);
- bsdtar->create_compression = opt;
- break;
- case 'm': /* SUSv2 */
- bsdtar->extract_flags &= ~ARCHIVE_EXTRACT_TIME;
- break;
- case 'n': /* GNU tar */
- bsdtar->option_no_subdirs = 1;
- break;
- /*
- * Selecting files by time:
- * --newer-?time='date' Only files newer than 'date'
- * --newer-?time-than='file' Only files newer than time
- * on specified file (useful for incremental backups)
- * TODO: Add corresponding "older" options to reverse these.
- */
- case OPTION_NEWER_CTIME: /* GNU tar */
- bsdtar->newer_ctime_sec = get_date(now, bsdtar->optarg);
- break;
- case OPTION_NEWER_CTIME_THAN:
- {
- struct stat st;
- if (stat(bsdtar->optarg, &st) != 0)
- lafe_errc(1, 0,
- "Can't open file %s", bsdtar->optarg);
- bsdtar->newer_ctime_sec = st.st_ctime;
- bsdtar->newer_ctime_nsec =
- ARCHIVE_STAT_CTIME_NANOS(&st);
- }
- break;
- case OPTION_NEWER_MTIME: /* GNU tar */
- bsdtar->newer_mtime_sec = get_date(now, bsdtar->optarg);
- break;
- case OPTION_NEWER_MTIME_THAN:
- {
- struct stat st;
- if (stat(bsdtar->optarg, &st) != 0)
- lafe_errc(1, 0,
- "Can't open file %s", bsdtar->optarg);
- bsdtar->newer_mtime_sec = st.st_mtime;
- bsdtar->newer_mtime_nsec =
- ARCHIVE_STAT_MTIME_NANOS(&st);
- }
- break;
- case OPTION_NODUMP: /* star */
- bsdtar->option_honor_nodump = 1;
- break;
- case OPTION_NO_SAME_OWNER: /* GNU tar */
- bsdtar->extract_flags &= ~ARCHIVE_EXTRACT_OWNER;
- break;
- case OPTION_NO_SAME_PERMISSIONS: /* GNU tar */
- bsdtar->extract_flags &= ~ARCHIVE_EXTRACT_PERM;
- bsdtar->extract_flags &= ~ARCHIVE_EXTRACT_ACL;
- bsdtar->extract_flags &= ~ARCHIVE_EXTRACT_XATTR;
- bsdtar->extract_flags &= ~ARCHIVE_EXTRACT_FFLAGS;
- break;
- case OPTION_NULL: /* GNU tar */
- bsdtar->option_null++;
- break;
- case OPTION_NUMERIC_OWNER: /* GNU tar */
- bsdtar->uname = "";
- bsdtar->gname = "";
- break;
- case 'O': /* GNU tar */
- bsdtar->option_stdout = 1;
- break;
- case 'o': /* SUSv2 and GNU conflict here, but not fatally */
- option_o = 1; /* Record it and resolve it later. */
- break;
- case OPTION_ONE_FILE_SYSTEM: /* GNU tar */
- bsdtar->option_dont_traverse_mounts = 1;
- break;
- case OPTION_OPTIONS:
- bsdtar->option_options = bsdtar->optarg;
- break;
-#if 0
- /*
- * The common BSD -P option is not necessary, since
- * our default is to archive symlinks, not follow
- * them. This is convenient, as -P conflicts with GNU
- * tar anyway.
- */
- case 'P': /* BSD convention */
- /* Default behavior, no option necessary. */
- break;
-#endif
- case 'P': /* GNU tar */
- bsdtar->extract_flags &= ~SECURITY;
- bsdtar->option_absolute_paths = 1;
- break;
- case 'p': /* GNU tar, star */
- bsdtar->extract_flags |= ARCHIVE_EXTRACT_PERM;
- bsdtar->extract_flags |= ARCHIVE_EXTRACT_ACL;
- bsdtar->extract_flags |= ARCHIVE_EXTRACT_XATTR;
- bsdtar->extract_flags |= ARCHIVE_EXTRACT_FFLAGS;
- break;
- case OPTION_POSIX: /* GNU tar */
- bsdtar->create_format = "pax";
- break;
- case 'q': /* FreeBSD GNU tar --fast-read, NetBSD -q */
- bsdtar->option_fast_read = 1;
- break;
- case 'r': /* SUSv2 */
- set_mode(bsdtar, opt);
- break;
- case 'S': /* NetBSD pax-as-tar */
- bsdtar->extract_flags |= ARCHIVE_EXTRACT_SPARSE;
- break;
- case 's': /* NetBSD pax-as-tar */
-#if HAVE_REGEX_H
- add_substitution(bsdtar, bsdtar->optarg);
-#else
- lafe_warnc(0,
- "-s is not supported by this version of bsdtar");
- usage();
-#endif
- break;
- case OPTION_SAME_OWNER: /* GNU tar */
- bsdtar->extract_flags |= ARCHIVE_EXTRACT_OWNER;
- break;
- case OPTION_STRIP_COMPONENTS: /* GNU tar 1.15 */
- bsdtar->strip_components = atoi(bsdtar->optarg);
- break;
- case 'T': /* GNU tar */
- bsdtar->names_from_file = bsdtar->optarg;
- break;
- case 't': /* SUSv2 */
- set_mode(bsdtar, opt);
- bsdtar->verbose++;
- break;
- case OPTION_TOTALS: /* GNU tar */
- bsdtar->option_totals++;
- break;
- case 'U': /* GNU tar */
- bsdtar->extract_flags |= ARCHIVE_EXTRACT_UNLINK;
- bsdtar->option_unlink_first = 1;
- break;
- case 'u': /* SUSv2 */
- set_mode(bsdtar, opt);
- break;
- case OPTION_UID: /* cpio */
- t = atoi(bsdtar->optarg);
- if (t < 0)
- lafe_errc(1, 0,
- "Argument to --uid must be positive");
- bsdtar->uid = t;
- break;
- case OPTION_UNAME: /* cpio */
- bsdtar->uname = bsdtar->optarg;
- break;
- case 'v': /* SUSv2 */
- bsdtar->verbose++;
- break;
- case OPTION_VERSION: /* GNU convention */
- version();
- break;
-#if 0
- /*
- * The -W longopt feature is handled inside of
- * bsdtar_getopt(), so -W is not available here.
- */
- case 'W': /* Obscure GNU convention. */
- break;
-#endif
- case 'w': /* SUSv2 */
- bsdtar->option_interactive = 1;
- break;
- case 'X': /* GNU tar */
- if (lafe_exclude_from_file(&bsdtar->matching, bsdtar->optarg))
- lafe_errc(1, 0,
- "failed to process exclusions from file %s",
- bsdtar->optarg);
- break;
- case 'x': /* SUSv2 */
- set_mode(bsdtar, opt);
- break;
- case 'y': /* FreeBSD version of GNU tar */
- if (bsdtar->create_compression != '\0')
- lafe_errc(1, 0,
- "Can't specify both -%c and -%c", opt,
- bsdtar->create_compression);
- bsdtar->create_compression = opt;
- break;
- case 'Z': /* GNU tar */
- if (bsdtar->create_compression != '\0')
- lafe_errc(1, 0,
- "Can't specify both -%c and -%c", opt,
- bsdtar->create_compression);
- bsdtar->create_compression = opt;
- break;
- case 'z': /* GNU tar, star, many others */
- if (bsdtar->create_compression != '\0')
- lafe_errc(1, 0,
- "Can't specify both -%c and -%c", opt,
- bsdtar->create_compression);
- bsdtar->create_compression = opt;
- break;
- case OPTION_USE_COMPRESS_PROGRAM:
- bsdtar->compress_program = bsdtar->optarg;
- break;
- default:
- usage();
- }
- }
-
- /*
- * Sanity-check options.
- */
-
- /* If no "real" mode was specified, treat -h as --help. */
- if ((bsdtar->mode == '\0') && possible_help_request) {
- long_help();
- exit(0);
- }
-
- /* Otherwise, a mode is required. */
- if (bsdtar->mode == '\0')
- lafe_errc(1, 0,
- "Must specify one of -c, -r, -t, -u, -x");
-
- /* Check boolean options only permitted in certain modes. */
- if (bsdtar->option_dont_traverse_mounts)
- only_mode(bsdtar, "--one-file-system", "cru");
- if (bsdtar->option_fast_read)
- only_mode(bsdtar, "--fast-read", "xt");
- if (bsdtar->option_honor_nodump)
- only_mode(bsdtar, "--nodump", "cru");
- if (option_o > 0) {
- switch (bsdtar->mode) {
- case 'c':
- /*
- * In GNU tar, -o means "old format." The
- * "ustar" format is the closest thing
- * supported by libarchive.
- */
- bsdtar->create_format = "ustar";
- /* TODO: bsdtar->create_format = "v7"; */
- break;
- case 'x':
- /* POSIX-compatible behavior. */
- bsdtar->option_no_owner = 1;
- bsdtar->extract_flags &= ~ARCHIVE_EXTRACT_OWNER;
- break;
- default:
- only_mode(bsdtar, "-o", "xc");
- break;
- }
- }
- if (bsdtar->option_no_subdirs)
- only_mode(bsdtar, "-n", "cru");
- if (bsdtar->option_stdout)
- only_mode(bsdtar, "-O", "xt");
- if (bsdtar->option_unlink_first)
- only_mode(bsdtar, "-U", "x");
- if (bsdtar->option_warn_links)
- only_mode(bsdtar, "--check-links", "cr");
-
- /* Check other parameters only permitted in certain modes. */
- if (bsdtar->create_compression != '\0') {
- strcpy(buff, "-?");
- buff[1] = bsdtar->create_compression;
- only_mode(bsdtar, buff, "cxt");
- }
- if (bsdtar->create_format != NULL)
- only_mode(bsdtar, "--format", "cru");
- if (bsdtar->symlink_mode != '\0') {
- strcpy(buff, "-?");
- buff[1] = bsdtar->symlink_mode;
- only_mode(bsdtar, buff, "cru");
- }
- if (bsdtar->strip_components != 0)
- only_mode(bsdtar, "--strip-components", "xt");
-
- switch(bsdtar->mode) {
- case 'c':
- tar_mode_c(bsdtar);
- break;
- case 'r':
- tar_mode_r(bsdtar);
- break;
- case 't':
- tar_mode_t(bsdtar);
- break;
- case 'u':
- tar_mode_u(bsdtar);
- break;
- case 'x':
- tar_mode_x(bsdtar);
- break;
- }
-
- lafe_cleanup_exclusions(&bsdtar->matching);
-#if HAVE_REGEX_H
- cleanup_substitution(bsdtar);
-#endif
-
- if (bsdtar->return_value != 0)
- lafe_warnc(0,
- "Error exit delayed from previous errors.");
- return (bsdtar->return_value);
-}
-
-static void
-set_mode(struct bsdtar *bsdtar, char opt)
-{
- if (bsdtar->mode != '\0' && bsdtar->mode != opt)
- lafe_errc(1, 0,
- "Can't specify both -%c and -%c", opt, bsdtar->mode);
- bsdtar->mode = opt;
-}
-
-/*
- * Verify that the mode is correct.
- */
-static void
-only_mode(struct bsdtar *bsdtar, const char *opt, const char *valid_modes)
-{
- if (strchr(valid_modes, bsdtar->mode) == NULL)
- lafe_errc(1, 0,
- "Option %s is not permitted in mode -%c",
- opt, bsdtar->mode);
-}
-
-
-void
-usage(void)
-{
- const char *p;
-
- p = lafe_progname;
-
- fprintf(stderr, "Usage:\n");
- fprintf(stderr, " List: %s -tf <archive-filename>\n", p);
- fprintf(stderr, " Extract: %s -xf <archive-filename>\n", p);
- fprintf(stderr, " Create: %s -cf <archive-filename> [filenames...]\n", p);
- fprintf(stderr, " Help: %s --help\n", p);
- exit(1);
-}
-
-static void
-version(void)
-{
- printf("bsdtar %s - %s\n",
- BSDTAR_VERSION_STRING,
- archive_version());
- exit(0);
-}
-
-static const char *long_help_msg =
- "First option must be a mode specifier:\n"
- " -c Create -r Add/Replace -t List -u Update -x Extract\n"
- "Common Options:\n"
- " -b # Use # 512-byte records per I/O block\n"
- " -f <filename> Location of archive (default " _PATH_DEFTAPE ")\n"
- " -v Verbose\n"
- " -w Interactive\n"
- "Create: %p -c [options] [<file> | <dir> | @<archive> | -C <dir> ]\n"
- " <file>, <dir> add these items to archive\n"
- " -z, -j, -J, --lzma Compress archive with gzip/bzip2/xz/lzma\n"
- " --format {ustar|pax|cpio|shar} Select archive format\n"
- " --exclude <pattern> Skip files that match pattern\n"
- " -C <dir> Change to <dir> before processing remaining files\n"
- " @<archive> Add entries from <archive> to output\n"
- "List: %p -t [options] [<patterns>]\n"
- " <patterns> If specified, list only entries that match\n"
- "Extract: %p -x [options] [<patterns>]\n"
- " <patterns> If specified, extract only entries that match\n"
- " -k Keep (don't overwrite) existing files\n"
- " -m Don't restore modification times\n"
- " -O Write entries to stdout, don't restore to disk\n"
- " -p Restore permissions (including ACLs, owner, file flags)\n";
-
-
-/*
- * Note that the word 'bsdtar' will always appear in the first line
- * of output.
- *
- * In particular, /bin/sh scripts that need to test for the presence
- * of bsdtar can use the following template:
- *
- * if (tar --help 2>&1 | grep bsdtar >/dev/null 2>&1 ) then \
- * echo bsdtar; else echo not bsdtar; fi
- */
-static void
-long_help(void)
-{
- const char *prog;
- const char *p;
-
- prog = lafe_progname;
-
- fflush(stderr);
-
- p = (strcmp(prog,"bsdtar") != 0) ? "(bsdtar)" : "";
- printf("%s%s: manipulate archive files\n", prog, p);
-
- for (p = long_help_msg; *p != '\0'; p++) {
- if (*p == '%') {
- if (p[1] == 'p') {
- fputs(prog, stdout);
- p++;
- } else
- putchar('%');
- } else
- putchar(*p);
- }
- version();
-}
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