/usr/share/perl5/Crypt/Monkeysphere/Keyserver.pm is in msva-perl 0.9.2-1.
This file is owned by root:root, with mode 0o644.
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 | package Crypt::Monkeysphere::Keyserver;
use IO::File;
use GnuPG::Handles;
use GnuPG::Interface;
use File::HomeDir;
use Config::General;
use Regexp::Common qw /net/;
use POSIX;
use strict;
use warnings;
use parent qw(Crypt::Monkeysphere::Logger);
use Crypt::Monkeysphere::Util qw(untaint);
our $default_keyserver='hkp://pool.sks-keyservers.net';
=pod
=head2 new
Create a new Crypt::Monkeysphere::Keyserver instance
Arguments
Param hash, all optional.
keyserver => URL
gnupg => GnuPG::Interface object
(plus arguments for Crypt::Monkeysphere::Logger::new)
=cut
sub new {
my $class=shift;
my %opts=@_;
my $self=$class->SUPER::new($opts{loglevel} || 'info');
# gnupg should be initialized first, before figuring out
# what keyserver to use.
$self->{gnupg} = $opts{gnupg} || new GnuPG::Interface();
$self->{keyserver} = $opts{keyserver} || $self->_get_keyserver();
return $self;
}
sub _get_keyserver{
my $self=shift;
my $gpghome=$self->{gnupg}->options->homedir;
if (!defined($gpghome)) {
if (exists $ENV{GNUPGHOME} and $ENV{GNUPGHOME} ne '') {
# We might be running in taint mode, but we assume that is about
# data coming from the network, and that the local environment
# is generally trustworthy.
$gpghome = untaint($ENV{GNUPGHOME});
} else {
my $userhome=File::HomeDir->my_home;
if (defined($userhome)) {
$gpghome = File::Spec->catfile($userhome, '.gnupg');
}
}
}
if (defined $gpghome) {
return $self->_read_keyserver_from_gpg_conf($gpghome) || $default_keyserver;
} else {
return $default_keyserver;
}
}
sub _read_keyserver_from_gpg_conf() {
my $self=shift;
my $gpghome=shift;
my $gpgconf = File::Spec->catfile($gpghome, 'gpg.conf');
if (-f $gpgconf) {
if (-r $gpgconf) {
my %gpgconfig = Config::General::ParseConfig($gpgconf);
if (! defined $gpgconfig{keyserver}) {
$self->log('debug', "No keyserver line found in GnuPG configuration file (%s)\n", $gpgconf);
} else {
if (ref($gpgconfig{keyserver}) eq 'ARRAY') {
# use the last keyserver entry if there is more than one.
$self->log('debug', "more than one keyserver line found in GnuPG configuration file (%s), using last one found\n", $gpgconf);
$gpgconfig{keyserver} = pop(@{$gpgconfig{keyserver}});
}
if ($gpgconfig{keyserver} =~ /^(((hkps?|hkpms|finger|ldap):\/\/)?$RE{net}{domain})$/) {
$self->log('debug', "Using keyserver %s from the GnuPG configuration file (%s)\n", $1, $gpgconf);
return $1;
} else {
$self->log('error', "Not a valid keyserver (from gpg config %s):\n %s\n", $gpgconf, $gpgconfig{keyserver});
}
}
} else {
$self->log('error', "The GnuPG configuration file (%s) is not readable\n", $gpgconf);
}
} else {
$self->log('info', "Did not find GnuPG configuration file while looking for keyserver '%s'\n", $gpgconf);
}
return undef;
}
sub fetch_uid {
my $self= shift;
my $uid = shift || croak("uid argument mandatory");
my $ks=$self->{keyserver};
my $gnupg=$self->{gnupg};
my $cmd = IO::Handle::->new();
my $out = IO::Handle::->new();
my $nul = IO::File::->new("< /dev/null");
$self->log('debug', "start ks query to %s for UserID: %s\n", $ks, $uid);
my $pid = $gnupg->wrap_call
( handles => GnuPG::Handles::->new( command => $cmd, stdout => $out, stderr => $nul ),
command_args => [ '='.$uid ],
commands => [ '--keyserver',
$ks,
qw( --no-tty --with-colons --search ) ]
);
while (my $line = $out->getline()) {
$self->log('debug', "from ks query: (%d) %s", $cmd->fileno, $line);
if ($line =~ /^info:(\d+):(\d+)/ ) {
$cmd->print(join(' ', ($1..$2))."\n");
$self->log('debug', 'to ks query: '.join(' ', ($1..$2))."\n");
last;
}
}
# FIXME: can we do something to avoid hanging forever?
waitpid($pid, 0);
$self->log('debug', "ks query returns %d\n", POSIX::WEXITSTATUS($?));
}
sub fetch_fpr {
my $self = shift;
my $fpr = shift || croak("fpr argument mandatory");
my $ks=$self->{keyserver};
my $gnupg=$self->{gnupg};
my $cmd = IO::Handle::->new();
my $nul = IO::File::->new("< /dev/null");
$self->log('debug', "start ks query to %s for fingerprint: %s\n", $ks, $fpr);
my $pid = $gnupg->wrap_call
( handles => GnuPG::Handles::->new( command => $cmd, stdout => $nul, stderr => $nul ),
command_args => [ '0x'.$fpr ],
commands => [ '--keyserver',
$ks,
qw( --no-tty --recv-keys ) ]
);
# FIXME: can we do something to avoid hanging forever?
waitpid($pid, 0);
$self->log('debug', "ks query returns %d\n", POSIX::WEXITSTATUS($?));
}
1;
|