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
|
#!/usr/bin/env perl
# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
#
# SPDX-License-Identifier: MPL-2.0
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, you can obtain one at https://mozilla.org/MPL/2.0/.
#
# See the COPYRIGHT file distributed with this work for additional
# information regarding copyright ownership.
# test the update-policy external protocol
require 5.6.0;
use IO::Socket::UNIX;
use Getopt::Long;
my $path;
my $typeallowed = "A";
my $pidfile = "authsock.pid";
my $timeout = 0;
GetOptions("path=s" => \$path,
"type=s" => \$typeallowed,
"pidfile=s" => \$pidfile,
"timeout=i" => \$timeout);
if (!defined($path)) {
print("Usage: authsock.pl --path=<sockpath> --type=type --pidfile=pidfile\n");
exit(1);
}
unlink($path);
my $server = IO::Socket::UNIX->new(Local => $path, Type => SOCK_STREAM, Listen => 8) or
die "unable to create socket $path";
chmod 0777, $path;
# setup our pidfile
open(my $pid,">",$pidfile)
or die "unable to open pidfile $pidfile";
print $pid "$$\n";
close($pid);
# close gracefully
sub rmpid { unlink "$pidfile"; exit 1; };
$SIG{INT} = \&rmpid;
$SIG{TERM} = \&rmpid;
if ($timeout != 0) {
# die after the given timeout
alarm($timeout);
}
while (my $client = $server->accept()) {
$client->recv(my $buf, 8, 0);
my ($version, $req_len) = unpack('N N', $buf);
if ($version != 1 || $req_len < 17) {
printf("Badly formatted request\n");
$client->send(pack('N', 2));
next;
}
$client->recv(my $buf, $req_len - 8, 0);
my ($signer,
$name,
$addr,
$type,
$key,
$key_data) = unpack('Z* Z* Z* Z* Z* N/a', $buf);
if ($req_len != length($buf)+8) {
printf("Length mismatch %u %u\n", $req_len, length($buf)+8);
$client->send(pack('N', 2));
next;
}
printf("version=%u signer=%s name=%s addr=%s type=%s key=%s key_data_len=%u\n",
$version, $signer, $name, $addr, $type, $key, length($key_data));
my $result;
if ($typeallowed eq $type) {
$result = 1;
printf("allowed type %s == %s\n", $type, $typeallowed);
} else {
printf("disallowed type %s != %s\n", $type, $typeallowed);
$result = 0;
}
$reply = pack('N', $result);
$client->send($reply);
}
|
