This file is indexed.

/usr/bin/gpglist is in signing-party 1.1.10-3.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
#!/usr/bin/perl

# $Id: gpglist 700 2014-09-04 20:20:26Z guilhem-guest $

# small script to show in an intuitive way who signed which of your user ids
#
# Copyright (c) 2004 Uli Martens <uli@youam.net>
# Copyright (c) 2005 Peter Palfrader <peter@palfrader.org>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
#    derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

=pod

=head1 NAME

gpglist -- show who signed which of your UIDs

=head1 SYNOPSIS

=over

=item B<gpglist> I<keyid>

=back

=head1 DESCRIPTION

B<gpglist> takes a keyid and creates a listing showing who signed your user IDs.

	$ gpglist 6D8ABE71
	+-----  1 Christoph Berg <cb@df7cb.de>
	|  +--  2 Christoph Berg <cb@cs.uni-sb.de>
	1  2  
	x     7929AB90F7AC3AF0 Martin Helas <mhelas@helas.net>
	x  x  29BE5D2268FD549F Martin Michlmayr <tbm@cyrius.com>
	   x  7DDB2B8DB4B462C5 Martin Wanke <mawan@mawan.de>

=head1 AUTHORS

=over

=item Uli Martens <uli@youam.net>

=item Peter Palfrader <peter@palfrader.org>

=back

=head1 WEBSITE

http://pgp-tools.alioth.debian.org/

=head1 SEE ALSO

gpgsigs(1), gpg(1), caff(1).

=cut

use strict;
use warnings;
use English '-no_match_vars';

my $now = time;
my $key=shift @ARGV;
unless (defined $key) {
	die "Usage: $PROGRAM_NAME <keyid>\n";
}

open SIGS, '-|', qw/gpg --list-options show-sig-subpackets --fixed-list-mode --with-colons --list-sigs/, $key
	or die "can't get gpg listing";

my ($uid, $id) = ('', '');
my (%uids, @uids);
my %sigs;
my %revs;
my %ids;
my $longkey;
while (<SIGS>) {
	if (/^uid:(?:[^:]*:){6}([0-9A-F]{40}):[^:]*:([^:]+)/) {
		$uid = $1; # use the SHA1 to have proper distinction between UIDs/UATs
		push @uids, $uid; # preserve the order
		$uids{$uid} = $2;
	}
	elsif (/^sig:(?:[^:]*:){3}([0-9A-F]{16}):(\d+):(\d*):(?:[^:]*:){2}([^:]+):(1[0-3][lx])(?::.*)?$/) {
		$id = $1;
		next if $3 ne '' and $3 < $now; # expired
		$ids{$id} = $4;
		# keep only the most recent sig (a more recent sig might appear anywhere in the list)
		$sigs{$id}->{$uid} = $2 unless defined $sigs{$id}->{$uid} and
									  ($sigs{$id}->{$uid} < 0 or # non revocable sig
									  $sigs{$id}->{$uid} > $2);
	}
	elsif (/^spk:7:1:1:%00$/) { # non-revocable signature
		$sigs{$id}->{$uid} = -1;
	}
	elsif (/^rev:(?:[^:]*:){3}([0-9A-F]{16}):(\d+):(?:[^:]*:){4}30x(?::.*)?$/) {
		$revs{$1}->{$uid} = $2;
	}
	elsif (/^uat:(?:[^:]*:){6}([0-9A-F]{40}):/) {
		$uid = $1;
		push @uids, $uid; # preserve the order
		$uids{$uid} = "Photo ID"; # XXX [jpeg image of size ...]
	}
	elsif (/^pub:(?:[^:]*:){3}([0-9A-F]{16}):/) {
		$longkey = $1;
	}
	elsif (/^sub:/) {
		last;
	}
	elsif (!/^(?:fpr|tru|rvk|spk):/) {
		print STDERR "hi, i'm a bug. please report me to my owner\n";
		die "input: $_, key: $key";
	}
}
close SIGS;

# XXX: Add an option for this
@uids = grep { !defined $revs{$longkey}->{$_} } @uids;

for ( my $a=0; $a <= $#uids; $a++ ) {
	printf "|  " x $a
	     . "+--"
	     . "---" x ($#uids-$a)
	     . (defined $revs{$longkey}->{$uids[$a]} ? "R" : " ") # revuid
	     . "%2i $uids{$uids[$a]}\n", $a+1;
}

for ( my $a=0; $a <= $#uids; $a++ ) {
	printf "%-2i ", $a+1;
}
print "\n";

for my $id (sort {$ids{$a} cmp $ids{$b}} keys %ids) {
	foreach my $uid (@uids) {
		if (defined $revs{$id}->{$uid} and defined $sigs{$id}->{$uid} and
				$sigs{$id}->{$uid} > 0 and # < 0 means non-revocable
				$revs{$id}->{$uid} > $sigs{$id}->{$uid}) {
			print 'R';
		} else {
			print (defined $sigs{$id}->{$uid} ? 'x' : ' ');
		}
		print '  ';
	}
	print "$id $ids{$id}\n";
}