xref: /openbsd/usr.sbin/pkg_add/OpenBSD/Signer.pm (revision 4cfece93) 
1#! /usr/bin/perl
2# ex:ts=8 sw=4:
3# $OpenBSD: Signer.pm,v 1.10 2016/10/03 13:17:30 espie Exp $
4#
5# Copyright (c) 2003-2014 Marc Espie <espie@openbsd.org>
6#
7# Permission to use, copy, modify, and distribute this software for any
8# purpose with or without fee is hereby granted, provided that the above
9# copyright notice and this permission notice appear in all copies.
10#
11# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18
19use strict;
20use warnings;
21
22# code necessary to create signed package
23
24# the factory that chooses what method to use to sign things
25package OpenBSD::Signer;
26use OpenBSD::PackageInfo;
27
28my $h = {
29	signify2 => 'OpenBSD::Signer::SIGNIFY2',
30};
31
32sub factory
33{
34	my ($class, $state) = @_;
35
36	my @p = @{$state->{signature_params}};
37
38	if (defined $h->{$p[0]}) {
39		return $h->{$p[0]}->new($state, @p);
40	} else {
41		$state->usage("Unknown signature scheme $p[0]");
42	}
43}
44
45package OpenBSD::Signer::SIGNIFY2;
46our @ISA = qw(OpenBSD::Signer);
47sub new
48{
49	my ($class, $state, @p) = @_;
50	if (@p != 2 || !-f $p[1]) {
51		$state->usage("$p[0] signature wants -s privkey");
52	}
53	my $o = bless {privkey => $p[1]}, $class;
54	return $o;
55}
56
57sub sign
58{
59	my ($signer, $pkg, $state, $tmp) = @_;
60	my $privkey = $signer->{privkey};
61 	my $url = $pkg->url;
62	if (!$pkg->{repository}->is_local_file) {
63		$pkg->close(1);
64		$state->fatal("Signing distant package #1 is not supported",
65		    $url);
66	}
67	$url =~ s/^file://;
68	$state->system(OpenBSD::Paths->signify, '-zS', '-s', $privkey, '-m', $url, '-x', $tmp);
69}
70
71sub want_local
72{
73	return 1;
74}
75# specific parameter handling plus element creation
76package OpenBSD::CreateSign::State;
77our @ISA = qw(OpenBSD::AddCreateDelete::State);
78
79sub create_archive
80{
81	my ($state, $filename, $dir) = @_;
82	require IO::Compress::Gzip;
83	my $level = $state->{subst}->value('COMPRESSION_LEVEL') // 6;
84	my $fh = IO::Compress::Gzip->new($filename,
85	    -Level => $level, -Time => 0) or
86		$state->fatal("Can't create archive #1: #2", $filename, $!);
87	$state->{archive_filename} = $filename;
88	return OpenBSD::Ustar->new($fh, $state, $dir);
89}
90
91sub new_gstream
92{
93	my $state = shift;
94	close($state->{archive}{fh});
95	my $level = $state->{subst}->value('COMPRESSION_LEVEL') // 6;
96	$state->{archive}{fh} =IO::Compress::Gzip->new(
97	    $state->{archive_filename},
98	    -Level => $level, -Time => 0, -Append => 1) or
99		$state->fatal("Can't append to archive #1: #2",
100		    $state->{archive_filename}, $!);
101}
102
103sub ntodo
104{
105	my ($self, $offset) = @_;
106	return sprintf("%u/%u", $self->{done}-$offset, $self->{total});
107}
108
1091;
110