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# binaries/architecture/other -- lintian check script -*- perl -*-
# Copyright (C) 1998 Christian Schwarz and Richard Braakman
# Copyright (C) 2012 Kees Cook
# Copyright (C) 2017-2020 Chris Lamb <lamby@debian.org>
# Copyright (C) 2021 Felix Lechner
#
# 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, you can find it on the World Wide
# Web at https://www.gnu.org/copyleft/gpl.html, or write to the Free
# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
# MA 02110-1301, USA.
package Lintian::Check::Binaries::Architecture::Other;
use v5.20;
use warnings;
use utf8;
use Const::Fast;
use Moo;
use namespace::clean;
with 'Lintian::Check';
# Guile object files do not objdump/strip correctly, so exclude them
# from a number of tests. (#918444)
const my $GUILE_PATH_REGEX => qr{^usr/lib(?:/[^/]+)+/guile/[^/]+/.+\.go$};
has ARCH_REGEX => (
is => 'rw',
lazy => 1,
default => sub {
my ($self) = @_;
my %arch_regex;
my $data = $self->data->load('binaries/arch-regex', qr/\s*\~\~/);
for my $architecture ($data->all) {
my $pattern = $data->value($architecture);
$arch_regex{$architecture} = qr{$pattern};
}
return \%arch_regex;
}
);
has ARCH_64BIT_EQUIVS => (
is => 'rw',
lazy => 1,
default => sub {
my ($self) = @_;
return $self->data->load('binaries/arch-64bit-equivs',qr/\s*\=\>\s*/);
}
);
sub from_other_architecture {
my ($self, $item) = @_;
my $architecture = $self->processable->fields->value('Architecture');
return 0
if $architecture eq 'all';
# If it matches the architecture regex, it is good
return 0
if exists $self->ARCH_REGEX->{$architecture}
&& $item->file_type =~ $self->ARCH_REGEX->{$architecture};
# Special case - "old" multi-arch dirs
if ( $item->name =~ m{(?:^|/)lib(x?\d\d)/}
|| $item->name =~ m{^emul/ia(\d\d)}) {
my $bus_width = $1;
return 0
if exists $self->ARCH_REGEX->{$bus_width}
&& $item->file_type =~ $self->ARCH_REGEX->{$bus_width};
}
# Detached debug symbols could be for a biarch library.
return 0
if $item->name =~ m{^usr/lib/debug/\.build-id/};
# Guile binaries do not objdump/strip (etc.) correctly.
return 0
if $item->name =~ $GUILE_PATH_REGEX;
# Allow amd64 kernel modules to be installed on i386.
if ( $item->name =~ m{^lib/modules/}
&& $self->ARCH_64BIT_EQUIVS->recognizes($architecture)) {
my $equivalent_64 = $self->ARCH_64BIT_EQUIVS->value($architecture);
return 0
if $item->file_type =~ $self->ARCH_REGEX->{$equivalent_64};
}
# Ignore i386 binaries in amd64 packages for right now.
return 0
if $architecture eq 'amd64'
&& $item->file_type =~ $self->ARCH_REGEX->{i386};
return 1;
}
sub visit_installed_files {
my ($self, $item) = @_;
return
unless $item->is_file;
return
unless $item->file_type =~ /^ [^,]* \b ELF \b /x;
$self->pointed_hint('binary-from-other-architecture', $item->pointer)
if $self->from_other_architecture($item);
return;
}
1;
# Local Variables:
# indent-tabs-mode: nil
# cperl-indent-level: 4
# End:
# vim: syntax=perl sw=4 sts=4 sr et
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