1#! /usr/bin/perl
2#
3# ex:ts=8 sw=4:
4# $OpenBSD: minitar,v 1.1 2005/07/20 15:33:50 espie Exp $
5#
6# Copyright (c) 2005 Marc Espie <espie@openbsd.org>
7#
8# Permission to use, copy, modify, and distribute this software for any
9# purpose with or without fee is hereby granted, provided that the above
10# copyright notice and this permission notice appear in all copies.
11#
12# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
13# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
14# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
15# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
16# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19
20use OpenBSD::Ustar;
21use strict;
22
23my $mode = shift;
24my $arcname;
25my ($what, $verbose);
26
27sub create
28{
29	my $arcname = shift;
30	open my $out, '>', $arcname or die "bad archive $arcname: $!\n";
31	my $arc = OpenBSD::Ustar->new($out, '.');
32	for my $f (@_) {
33		my $e = $arc->prepare($f);
34		$e->write();
35	}
36	$arc->close();
37}
38
39sub extract
40{
41	my $arcname = shift;
42	open my $in, '<', $arcname or die "bad archive $arcname: $!\n";
43	my $arc = OpenBSD::Ustar->new($in);
44	while (my $e = $arc->next()) {
45		$e->create();
46	}
47	$arc->close();
48}
49
50sub test
51{
52	my $arcname = shift;
53	open my $in, '<', $arcname or die "bad archive $arcname: $!\n";
54	my $arc = OpenBSD::Ustar->new($in);
55	while (my $e = $arc->next()) {
56		print $e->{name}, "\n";
57	}
58	$arc->close();
59}
60
61if ($mode =~ s/c//) {
62	$what = \&create;
63} elsif ($mode =~ s/t//) {
64	$what = \&test;
65} elsif ($mode =~ s/x//) {
66	$what = \&extract;
67}
68if ($mode =~ s/f//) {
69	$arcname = shift;
70}
71if ($mode =~ s/v//) {
72	$verbose = 1;
73}
74
75if ($mode ne '') {
76	die "Bad mode\n";
77}
78
79if (!defined $what) {
80	die "Bad mode\n";
81}
82
83&$what($arcname, @ARGV);
84