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pius-party-worksheet
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pius-party-worksheet
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#!/usr/bin/perl
# vim:expandtab:ai:tabstop=2:textwidth=78:softtabstop=2:shiftwidth=2
use strict;
use warnings;
use Getopt::Long;
#
# Copyright (c) 2008 - present Phil Dibowitz ([email protected])
#
# 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, version 2.
#
# Given a PGP Keyring, generate a worksheet for a keysigning party.
#
# This is largely based on party-table.pl by
# V. Alex Brennen <[email protected]> and Gerfried Fuchs <[email protected]>
# You can find the original at http://www.cryptnet.net/people/vab/
#
use constant VERSION => '2.2.2';
sub print_html_header
{
my $extra_fields = shift;
print "<html>\n<head><title>PGP Keysigning Party Keys</title></head>\n";
print "<body>\n<table border=1>\n";
print "<tr>\n"
. " <th>Key ID</th>\n <th>Owner</th>\n <th>Fingerprint</th>\n"
. " <th>Size</th>\n <th>Type</th>\n <th>Key Info Matches?</th>\n"
. " <th>Owner ID Matches?</th>\n";
foreach my $field (@$extra_fields) {
print " <th>$field</th>\n";
}
print "</tr>\n";
}
sub get_fingerprints
{
my $keyring = shift;
my $cmd = 'gpg --fingerprint --no-default-keyring --no-options'
. " --with-colons --keyring $keyring | egrep "
. '\'^(pub|fpr):\'';
my @fps = `$cmd`;
return \@fps;
}
sub parse_fingerprints
{
my $fps = shift;
my $key_metadata = {};
while (my $line = shift(@{$fps})) {
if ($line =~ /^pub/) {
my ($pub, $comptrust, $size, $type, $longid, $date, undef,
undef, $settrust, $owner, undef, undef, $flags, undef)
= split(/:/, $line);
my ($fpr, undef, undef, undef, undef, undef, undef, undef, undef,
$fingerprint) = split(/:/, shift(@{$fps}));
if ($type eq '17') {
$type = 'DSA';
} elsif ($type eq '20') {
$type = 'El Gamal';
} elsif ($type eq '1') {
$type = 'RSA';
}
if (length($fingerprint) == 40) {
for my $i (qw(36 32 28 24 20 16 12 8 4)) {
if ($i != 20) {
substr($fingerprint, $i, 0, ' ');
}
if ($i == 20) {
substr($fingerprint, $i, 0, "\n");
}
}
} elsif (length($fingerprint) == 32) {
for my $i (qw(30 28 26 24 22 20 18 16 14 12 10 8 6 4 2)) {
if ($i != 16) {
substr($fingerprint, $i, 0, ' ');
}
if ($i == 16) {
substr($fingerprint, $i, 0, "\n");
}
}
}
$owner =~ s/&/&/;
$owner =~ s/</<\;/;
$owner =~ s/>/>\;/;
push (@{$key_metadata->{$owner}},
{'id' => $longid,
'owner' => $owner,
'fingerprint' => $fingerprint,
'size' => $size,
'type' => $type});
}
}
return $key_metadata;
}
sub print_table_body
{
my ($metadata, $num_fields) = @_;
# Loop to create extra-fields HTML only once
my $extra_fields_html = '';
for (my $i = 0; $i < $num_fields; $i++) {
$extra_fields_html .= " <td> </td>\n";
}
foreach my $user (sort(keys(%{$metadata}))) {
foreach my $key (@{$metadata->{$user}}) {
print "<tr>\n"
. " <td><pre>$key->{'id'}</pre></td>\n"
. " <td>$key->{'owner'}</td>\n"
. " <td><pre>$key->{'fingerprint'}</pre></td>\n"
. " <td>$key->{'size'}</td>\n"
. " <td>$key->{'type'}</td>\n"
. " <td> </td>\n"
. " <td> </td>\n"
. $extra_fields_html
. "</tr>\n";
}
}
}
sub print_html_footer
{
print "</table>\n</body>\n</html>";
}
sub help
{
my $err = shift || 0;
# If we're printing this due to incorrect usage, the user is probably
# re-directing output to a file, so we need to print to stderr.
my $fh = *STDOUT;
if ($err) {
$fh = *STDERR;
}
print $fh 'PIUS PGP Keysigning Party Worksheet Generator ' . VERSION . "\n\n";
print $fh <<EOF;
Usage: $0 <options> <keyring> > out-file.html
<keyring> should be the gpg keyring file with the public keys for all party
participants.
Options:
-e, --extra-fields <fields>
A comma-separated list of extra colums to have. This is useful if a subset
of the participants want to do something extra such as S/MIME for CA Cert
verification.
-h, --help
Print this help message and exit.
-v, --version
Print the version and exit.
EOF
}
my $opts = {};
GetOptions($opts,
'extra-fields|e=s',
'help|h',
'version|v',
) || die('Bad options');
if (exists($opts->{'help'})) {
help();
exit(0);
}
if (exists($opts->{'version'})) {
print "$0 " . VERSION . "\n";
exit(0);
}
my $extra_fields = [];
if (exists($opts->{'extra-fields'})) {
@$extra_fields = split(',', $opts->{'extra-fields'});
}
my $keyring = shift;
unless($keyring) {
help(1);
exit(1);
}
my $fps = get_fingerprints($keyring);
my $metadata = parse_fingerprints($fps);
print_html_header($extra_fields);
print_table_body($metadata, scalar(@$extra_fields));
print_html_footer();