xref: /openbsd/usr.sbin/pkg_add/OpenBSD/Signer.pm (revision 039cbdaa) 
1#! /usr/bin/perl
2# ex:ts=8 sw=4:
3# $OpenBSD: Signer.pm,v 1.12 2023/06/13 09:07:17 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 v5.36;
20
21# code necessary to create signed packages
22
23# the factory that chooses what method to use to sign things
24# we keep that just in case we need to change scheme again
25package OpenBSD::Signer;
26use OpenBSD::PackageInfo;
27
28my $h = {
29	signify2 => 'OpenBSD::Signer::SIGNIFY2',
30};
31
32sub factory($class, $state)
33{
34	my @p = @{$state->{signature_params}};
35
36	if (defined $h->{$p[0]}) {
37		return $h->{$p[0]}->new($state, @p);
38	} else {
39		$state->usage("Unknown signature scheme $p[0]");
40	}
41}
42
43package OpenBSD::Signer::SIGNIFY2;
44our @ISA = qw(OpenBSD::Signer);
45sub new($class, $state, @p)
46{
47	if (@p != 2 || !-f $p[1]) {
48		$state->usage("$p[0] signature wants -s privkey");
49	}
50	my $o = bless {privkey => $p[1]}, $class;
51	return $o;
52}
53
54sub sign($signer, $pkg, $state, $tmp)
55{
56	my $privkey = $signer->{privkey};
57 	my $url = $pkg->url;
58	if (!$pkg->{repository}->is_local_file) {
59		$pkg->close(1);
60		$state->fatal("Signing distant package #1 is not supported",
61		    $url);
62	}
63	$url =~ s/^file://;
64	$state->system(OpenBSD::Paths->signify, '-zS', '-s', $privkey, '-m', $url, '-x', $tmp);
65}
66
67sub want_local($)
68{
69	return 1;
70}
71# specific parameter handling plus element creation
72package OpenBSD::CreateSign::State;
73our @ISA = qw(OpenBSD::AddCreateDelete::State);
74
75sub create_archive($state, $filename, $dir)
76{
77	require IO::Compress::Gzip;
78	my $level = $state->{subst}->value('COMPRESSION_LEVEL') // 6;
79	my $fh = IO::Compress::Gzip->new($filename,
80	    -Level => $level, -Time => 0) or
81		$state->fatal("Can't create archive #1: #2", $filename, $!);
82	$state->{archive_filename} = $filename;
83	return OpenBSD::Ustar->new($fh, $state, $dir);
84}
85
86sub new_gstream($state)
87{
88	close($state->{archive}{fh});
89	my $level = $state->{subst}->value('COMPRESSION_LEVEL') // 6;
90	$state->{archive}{fh} =IO::Compress::Gzip->new(
91	    $state->{archive_filename},
92	    -Level => $level, -Time => 0, -Append => 1) or
93		$state->fatal("Can't append to archive #1: #2",
94		    $state->{archive_filename}, $!);
95}
96
97sub ntodo($self, $offset = 0)
98{
99	return sprintf("%u/%u", $self->{done}-$offset, $self->{total});
100}
101
1021;
103