Adding upstream version 2.117.0.upstream/2.117.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

3 files changed, 320 insertions, 0 deletions

diff --git a/lib/Lintian/Check/Fonts/Opentype.pm b/lib/Lintian/Check/Fonts/Opentype.pm
new file mode 100644
index 0000000..9ea5dac
--- /dev/null
+++ b/lib/Lintian/Check/Fonts/Opentype.pm
@@ -0,0 +1,95 @@
+# fonts/opentype -- lintian check script -*- perl -*-
+
+# Copyright (C) 2019 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::Fonts::Opentype;
+
+use v5.20;
+use warnings;
+use utf8;
+use autodie qw(open);
+
+use Const::Fast;
+use Font::TTF::Font;
+
+use Moo;
+use namespace::clean;
+
+with 'Lintian::Check';
+
+const my $SPACE => q{ };
+const my $COMMA => q{,};
+
+const my $PERMISSIONS_MASK => 0x0f;
+const my $NEVER_EMBED_FLAG => 0x02;
+const my $PRINT_PREVIEW_ONLY_FLAG => 0x04;
+const my $EDIT_ONLY_FLAG => 0x08;
+
+sub visit_installed_files {
+    my ($self, $file) = @_;
+
+    return
+      unless $file->is_file;
+
+    return
+      unless $file->file_type =~ /^OpenType font data/;
+
+    $self->pointed_hint('opentype-font-wrong-filename', $file->pointer)
+      unless $file->name =~ /\.otf$/i;
+
+    my $font = Font::TTF::Font->open($file->unpacked_path);
+
+    my $os2 = defined $font ? $font->{'OS/2'} : undef;
+    my $table = defined $os2 ? $os2->read : undef;
+    my $fs_type = defined $table ? $table->{fsType} : undef;
+
+    $font->release
+      if defined $font;
+
+    return
+      unless defined $fs_type;
+
+    my @clauses;
+
+    my $permissions = $fs_type & $PERMISSIONS_MASK;
+    push(@clauses, 'never embed')
+      if $permissions & $NEVER_EMBED_FLAG;
+    push(@clauses, 'preview/print only')
+      if $permissions & $PRINT_PREVIEW_ONLY_FLAG;
+    push(@clauses, 'edit only')
+      if $permissions & $EDIT_ONLY_FLAG;
+
+    my $terms;
+    $terms = join($COMMA . $SPACE, @clauses)
+      if @clauses;
+
+    $self->pointed_hint('opentype-font-prohibits-installable-embedding',
+        $file->pointer, "($terms)")
+      if length $terms;
+
+    return;
+}
+
+1;
+
+# Local Variables:
+# indent-tabs-mode: nil
+# cperl-indent-level: 4
+# End:
+# vim: syntax=perl sw=4 sts=4 sr et
diff --git a/lib/Lintian/Check/Fonts/Postscript/Type1.pm b/lib/Lintian/Check/Fonts/Postscript/Type1.pm
new file mode 100644
index 0000000..280eb8f
--- /dev/null
+++ b/lib/Lintian/Check/Fonts/Postscript/Type1.pm
@@ -0,0 +1,130 @@
+# fonts/postscript/type1 -- lintian check script -*- perl -*-
+
+# Copyright (C) 1998 Christian Schwarz and Richard Braakman
+# Copyright (C) 2020 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::Fonts::Postscript::Type1;
+
+use v5.20;
+use warnings;
+use utf8;
+
+use Const::Fast;
+use Encode qw(decode);
+use Syntax::Keyword::Try;
+
+use Lintian::IPC::Run3 qw(safe_qx);
+
+use Moo;
+use namespace::clean;
+
+const my $SPACE => q{ };
+const my $COLON => q{:};
+
+with 'Lintian::Check';
+
+sub visit_installed_files {
+    my ($self, $item) = @_;
+
+    return
+      unless $item->is_file;
+
+    return
+      unless $item->file_type =~ m/PostScript Type 1 font program data/;
+
+    my @command = ('t1disasm', $item->unpacked_path);
+    my $bytes = safe_qx(@command);
+
+    my $output;
+    try {
+        # iso-8859-1 works too, but the Font 1 standard could be older
+        $output = decode('cp1252', $bytes, Encode::FB_CROAK);
+
+    } catch {
+        die 'In file ' . $item->name . $COLON . $SPACE . $@;
+    }
+
+    my @lines = split(/\n/, $output);
+
+    my $foundadobeline = 0;
+
+    for my $line (@lines) {
+
+        if ($foundadobeline) {
+            if (
+                $line =~ m{\A [%\s]*
+                                   All\s*Rights\s*Reserved\.?\s*
+                                       \Z}xsmi
+            ) {
+                $self->pointed_hint(
+                    'license-problem-font-adobe-copyrighted-fragment',
+                    $item->pointer);
+
+                last;
+            }
+        }
+
+        $foundadobeline = 1
+          if $line =~ m{\A
+                               [%\s]*Copyright\s*\(c\) \s*
+                               19\d{2}[\-\s]19\d{2}\s*
+                               Adobe\s*Systems\s*Incorporated\.?\s*\Z}xsmi;
+
+# If copy pasted from black book they are
+# copyright adobe a few line before the only
+# place where the startlock is documented is
+# in the black book copyrighted fragment
+#
+# 2023-06-05: this check has been adjusted because
+# Adobe's type hint code[1] (including Flex[2]) became
+# open source[3] with an Apache-2.0 license[4] as
+# committed on 2014-09-19, making that check a false
+# positive[7].
+#
+# We continue to check for copyrighted code that is not
+# available under an open source license from the origin
+# publication,  "Adobe Type 1 Font Format"[5][6].
+#
+# [1] - https://github.com/adobe-type-tools/afdko/blob/2bf85cf44a64148353b24db17e0cc41ede5493b1/FDK/Tools/Programs/public/lib/source/t1write/t1write_hintothers.h
+# [2] - https://github.com/adobe-type-tools/afdko/blob/2bf85cf44a64148353b24db17e0cc41ede5493b1/FDK/Tools/Programs/public/lib/source/t1write/t1write_flexothers.h
+# [3] - https://www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg1375813.html
+# [4] - https://github.com/adobe-type-tools/afdko/blob/2bf85cf44a64148353b24db17e0cc41ede5493b1/LICENSE.txt
+# [5] - https://adobe-type-tools.github.io/font-tech-notes/pdfs/T1_SPEC.pdf
+# [6] - https://lccn.loc.gov/90042516
+# [7] - https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1029555
+        if ($line =~ m/UniqueID\s*6859/) {
+
+            $self->pointed_hint(
+                'license-problem-font-adobe-copyrighted-fragment-no-credit',
+                $item->pointer);
+
+            last;
+        }
+    }
+
+    return;
+}
+
+1;
+
+# Local Variables:
+# indent-tabs-mode: nil
+# cperl-indent-level: 4
+# End:
+# vim: syntax=perl sw=4 sts=4 sr et
diff --git a/lib/Lintian/Check/Fonts/Truetype.pm b/lib/Lintian/Check/Fonts/Truetype.pm
new file mode 100644
index 0000000..71e120a
--- /dev/null
+++ b/lib/Lintian/Check/Fonts/Truetype.pm
@@ -0,0 +1,95 @@
+# fonts/truetype -- lintian check script -*- perl -*-
+
+# Copyright (C) 2019 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::Fonts::Truetype;
+
+use v5.20;
+use warnings;
+use utf8;
+use autodie qw(open);
+
+use Const::Fast;
+use Font::TTF::Font;
+
+use Moo;
+use namespace::clean;
+
+with 'Lintian::Check';
+
+const my $SPACE => q{ };
+const my $COMMA => q{,};
+
+const my $PERMISSIONS_MASK => 0x0f;
+const my $NEVER_EMBED_FLAG => 0x02;
+const my $PRINT_PREVIEW_ONLY_FLAG => 0x04;
+const my $EDIT_ONLY_FLAG => 0x08;
+
+sub visit_installed_files {
+    my ($self, $file) = @_;
+
+    return
+      unless $file->is_file;
+
+    return
+      unless $file->file_type =~ /^TrueType Font data/;
+
+    $self->pointed_hint('truetype-font-wrong-filename', $file->pointer)
+      unless $file->name =~ /\.ttf$/i;
+
+    my $font = Font::TTF::Font->open($file->unpacked_path);
+
+    my $os2 = defined $font ? $font->{'OS/2'} : undef;
+    my $table = defined $os2 ? $os2->read : undef;
+    my $fs_type = defined $table ? $table->{fsType} : undef;
+
+    $font->release
+      if defined $font;
+
+    return
+      unless defined $fs_type;
+
+    my @clauses;
+
+    my $permissions = $fs_type & $PERMISSIONS_MASK;
+    push(@clauses, 'never embed')
+      if $permissions & $NEVER_EMBED_FLAG;
+    push(@clauses, 'preview/print only')
+      if $permissions & $PRINT_PREVIEW_ONLY_FLAG;
+    push(@clauses, 'edit only')
+      if $permissions & $EDIT_ONLY_FLAG;
+
+    my $terms;
+    $terms = join($COMMA . $SPACE, @clauses)
+      if @clauses;
+
+    $self->pointed_hint('truetype-font-prohibits-installable-embedding',
+        $file->pointer, "($terms)")
+      if length $terms;
+
+    return;
+}
+
+1;
+
+# Local Variables:
+# indent-tabs-mode: nil
+# cperl-indent-level: 4
+# End:
+# vim: syntax=perl sw=4 sts=4 sr et