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|
package App::CVSS;
use feature ':5.10';
use strict;
use warnings;
use utf8;
use Getopt::Long qw(GetOptionsFromArray :config gnu_compat);
use Pod::Usage qw(pod2usage);
use Carp ();
use JSON::PP ();
use Data::Dumper ();
use CVSS ();
our $VERSION = $CVSS::VERSION;
my %options = (format => 'json');
sub _print { print(($_[0] || '') . (defined $options{null} ? "\0" : "\n")) }
sub cli_error {
my ($error) = @_;
$error =~ s/ at .* line \d+.*//;
print STDERR "ERROR: $error\n";
}
sub run {
my ($class, @args) = @_;
GetOptionsFromArray(
\@args, \%options, qw(
help|h
man
v
vector-string=s
severity
score
base-score
base-severity
temporal-score
temporal-severity
environmental-score
environmental-severity
exploitability-score
impact-score
modified-impact-score
null|0
format=s
json
xml
)
) or pod2usage(-verbose => 0);
pod2usage(-exitstatus => 0, -verbose => 2) if defined $options{man};
pod2usage(-exitstatus => 0, -verbose => 0) if defined $options{help};
if (defined $options{v}) {
(my $progname = $0) =~ s/.*\///;
say <<"VERSION";
$progname version $VERSION
Copyright 2023-2024, Giuseppe Di Terlizzi <gdt\@cpan.org>
This program is part of the "CVSS" distribution and is free software;
you can redistribute it and/or modify it under the same terms as Perl itself.
Complete documentation for $progname can be found using 'man $progname'
or on the internet at <https://metacpan.org/dist/CVSS>.
VERSION
return 0;
}
my ($vector_string) = @args;
pod2usage(-verbose => 1) if !$vector_string;
$options{format} = 'json' if defined $options{json};
$options{format} = 'xml' if defined $options{xml};
$options{'base-severity'} = 1 if defined $options{severity};
$options{'base-score'} = 1 if defined $options{score};
my $cvss = eval { CVSS->from_vector_string($vector_string) };
if ($@) {
cli_error($@);
return 1;
}
if ($options{'base-severity'}) {
_print $cvss->base_severity;
return 0;
}
if ($options{'base-score'}) {
_print $cvss->base_score;
return 0;
}
if ($cvss->version <= 3.1) {
if ($options{'environmental-score'}) {
_print $cvss->environmental_score;
return 0;
}
if ($options{'environmental-severity'}) {
_print $cvss->environmental_severity;
return 0;
}
if ($options{'temporal-score'}) {
_print $cvss->temporal_score;
return 0;
}
if ($options{'temporal-severity'}) {
_print $cvss->temporal_severity;
return 0;
}
if ($options{'impact-score'}) {
_print $cvss->impact_score;
return 0;
}
if ($options{'exploitability-score'}) {
_print $cvss->exploitability_score;
return 0;
}
if ($options{'modified-impact-score'}) {
_print $cvss->modified_impact_score;
return 0;
}
}
if ($options{format} eq 'json') {
print JSON::PP->new->canonical->pretty(1)->convert_blessed(1)->encode($cvss);
return 0;
}
if ($options{format} eq 'xml') {
print $cvss->to_xml;
return 0;
}
}
1;
__END__
=encoding utf-8
=head1 NAME
App::CVSS - CVSS Command Line Interface
=head1 SYNOPSIS
use App::CVSS qw(run);
run(\@ARGV);
=head1 DESCRIPTION
App::CVSS "Command Line Interface" helper module for C<cvss(1)>.
=over
=item App::CVSS->run(@args)
Execute the command
=item cli_error($error)
Clean error
=back
=head1 AUTHOR
L<Giuseppe Di Terlizzi|https://metacpan.org/author/gdt>
=head1 COPYRIGHT AND LICENSE
Copyright © 2023-2024 L<Giuseppe Di Terlizzi|https://metacpan.org/author/gdt>
You may use and distribute this module according to the same terms
that Perl is distributed under.
=cut
|
