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# Copyright © 2021-2022 Guillem Jover <guillem@debian.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
package Dpkg::OpenPGP::Backend::Sequoia;
use strict;
use warnings;
our $VERSION = '0.01';
use POSIX qw(:sys_wait_h);
use Dpkg::ErrorHandling;
use Dpkg::IPC;
use Dpkg::OpenPGP::ErrorCodes;
use parent qw(Dpkg::OpenPGP::Backend);
sub DEFAULT_CMD {
return [ qw(sq) ];
}
sub _sq_exec
{
my ($self, @exec) = @_;
my ($stdout, $stderr);
spawn(exec => [ $self->{cmd}, @exec ],
wait_child => 1, nocheck => 1, timeout => 10,
to_string => \$stdout, error_to_string => \$stderr);
if (WIFEXITED($?)) {
my $status = WEXITSTATUS($?);
print { *STDERR } "$stdout$stderr" if $status;
return $status;
} else {
subprocerr("$self->{cmd} @exec");
}
}
sub armor
{
my ($self, $type, $in, $out) = @_;
return OPENPGP_MISSING_CMD unless $self->{cmd};
# We ignore the $type, and let "sq" handle this automatically.
my $rc = $self->_sq_exec(qw(armor --output), $out, $in);
return OPENPGP_BAD_DATA if $rc;
return OPENPGP_OK;
}
sub dearmor
{
my ($self, $type, $in, $out) = @_;
return OPENPGP_MISSING_CMD unless $self->{cmd};
# We ignore the $type, and let "sq" handle this automatically.
my $rc = $self->_sq_exec(qw(dearmor --output), $out, $in);
return OPENPGP_BAD_DATA if $rc;
return OPENPGP_OK;
}
sub inline_verify
{
my ($self, $inlinesigned, $data, @certs) = @_;
return OPENPGP_MISSING_CMD unless $self->{cmd};
my @opts;
push @opts, map { ('--signer-cert', $_) } @certs;
push @opts, '--output', $data if defined $data;
my $rc = $self->_sq_exec(qw(verify), @opts, $inlinesigned);
return OPENPGP_NO_SIG if $rc;
return OPENPGP_OK;
}
sub verify
{
my ($self, $data, $sig, @certs) = @_;
return OPENPGP_MISSING_CMD unless $self->{cmd};
my @opts;
push @opts, map { ('--signer-cert', $_) } @certs;
push @opts, '--detached', $sig;
my $rc = $self->_sq_exec(qw(verify), @opts, $data);
return OPENPGP_NO_SIG if $rc;
return OPENPGP_OK;
}
sub inline_sign
{
my ($self, $data, $inlinesigned, $key) = @_;
return OPENPGP_MISSING_CMD unless $self->{cmd};
return OPENPGP_NEEDS_KEYSTORE if $key->needs_keystore();
my @opts;
push @opts, '--cleartext-signature';
push @opts, '--signer-key', $key->handle;
push @opts, '--output', $inlinesigned;
my $rc = $self->_sq_exec('sign', @opts, $data);
return OPENPGP_KEY_CANNOT_SIGN if $rc;
return OPENPGP_OK;
}
1;
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