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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-14 13:42:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-14 13:42:30 +0000 |
commit | 75808db17caf8b960b351e3408e74142f4c85aac (patch) | |
tree | 7989e9c09a4240248bf4658a22208a0a52d991c4 /lib/Lintian/Check/Md5sums.pm | |
parent | Initial commit. (diff) | |
download | lintian-75808db17caf8b960b351e3408e74142f4c85aac.tar.xz lintian-75808db17caf8b960b351e3408e74142f4c85aac.zip |
Adding upstream version 2.117.0.upstream/2.117.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | lib/Lintian/Check/Md5sums.pm | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/lib/Lintian/Check/Md5sums.pm b/lib/Lintian/Check/Md5sums.pm new file mode 100644 index 0000000..c62d9cd --- /dev/null +++ b/lib/Lintian/Check/Md5sums.pm @@ -0,0 +1,133 @@ +# md5sums -- lintian check script -*- perl -*- + +# Copyright (C) 1998 Christian Schwarz and Richard Braakman +# Copyright (C) 2020 Felix Lechner +# Copyright (C) 2018, 2020 Chris Lamb <lamby@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, 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::Md5sums; + +use v5.20; +use warnings; +use utf8; + +use List::Compare; +use Path::Tiny; + +use Lintian::Util qw(read_md5sums drop_relative_prefix); + +use Moo; +use namespace::clean; + +with 'Lintian::Check'; + +has only_conffiles => (is => 'rw', default => 1); + +sub visit_installed_files { + my ($self, $item) = @_; + + # check if package contains non-conffiles + # debhelper doesn't create entries in md5sums + # for conffiles since this information would + # be redundant + + # Skip non-files, they will not appear in the md5sums file + return + unless $item->is_regular_file; + + $self->only_conffiles(0) + unless $self->processable->declared_conffiles->is_known($item->name); + + return; +} + +sub binary { + my ($self) = @_; + + my $control = $self->processable->control->lookup('md5sums'); + unless (defined $control) { + + # ignore if package contains no files + return + unless @{$self->processable->installed->sorted_list}; + + $self->hint('no-md5sums-control-file') + unless $self->only_conffiles; + + return; + } + + # The md5sums file should not be a symlink. If it is, the best + # we can do is to leave it alone. + return + if $control->is_symlink; + + return + unless $control->is_open_ok; + + # Is it empty? Then skip it. Tag will be issued by control-files + return + if $control->size == 0; + + my $text = $control->bytes; + + my ($md5sums, $errors) = read_md5sums($text); + + $self->pointed_hint('malformed-md5sums-control-file',$control->pointer, $_) + for @{$errors}; + + my %noprefix + = map { drop_relative_prefix($_) => $md5sums->{$_} } keys %{$md5sums}; + + my @listed = keys %noprefix; + my @found + = grep { $_->is_file} @{$self->processable->installed->sorted_list}; + + my $lc = List::Compare->new(\@listed, \@found); + + # find files that should exist but do not + $self->pointed_hint('md5sums-lists-nonexistent-file',$control->pointer, $_) + for $lc->get_Lonly; + + # find files that should be listed but are not + for my $name ($lc->get_Ronly) { + + $self->pointed_hint('file-missing-in-md5sums', $control->pointer,$name) + unless $self->processable->declared_conffiles->is_known($name) + || $name =~ m{^var/lib/[ai]spell/.}; + } + + # checksum should match for common files + for my $name ($lc->get_intersection) { + + my $item = $self->processable->installed->lookup($name); + + $self->pointed_hint('md5sum-mismatch', $control->pointer, $name) + unless $item->md5sum eq $noprefix{$name}; + } + + return; +} + +1; + +# Local Variables: +# indent-tabs-mode: nil +# cperl-indent-level: 4 +# End: +# vim: syntax=perl sw=4 sts=4 sr et |