authsock.pl revision 1.1.1.5
1#!/usr/bin/env perl 2 3# Copyright (C) Internet Systems Consortium, Inc. ("ISC") 4# 5# SPDX-License-Identifier: MPL-2.0 6# 7# This Source Code Form is subject to the terms of the Mozilla Public 8# License, v. 2.0. If a copy of the MPL was not distributed with this 9# file, you can obtain one at https://mozilla.org/MPL/2.0/. 10# 11# See the COPYRIGHT file distributed with this work for additional 12# information regarding copyright ownership. 13 14# test the update-policy external protocol 15 16require 5.6.0; 17 18use IO::Socket::UNIX; 19use Getopt::Long; 20 21my $path; 22my $typeallowed = "A"; 23my $pidfile = "authsock.pid"; 24my $timeout = 0; 25 26GetOptions("path=s" => \$path, 27 "type=s" => \$typeallowed, 28 "pidfile=s" => \$pidfile, 29 "timeout=i" => \$timeout); 30 31if (!defined($path)) { 32 print("Usage: authsock.pl --path=<sockpath> --type=type --pidfile=pidfile\n"); 33 exit(1); 34} 35 36unlink($path); 37my $server = IO::Socket::UNIX->new(Local => $path, Type => SOCK_STREAM, Listen => 8) or 38 die "unable to create socket $path"; 39chmod 0777, $path; 40 41# setup our pidfile 42open(my $pid,">",$pidfile) 43 or die "unable to open pidfile $pidfile"; 44print $pid "$$\n"; 45close($pid); 46 47if ($timeout != 0) { 48 # die after the given timeout 49 alarm($timeout); 50} 51 52while (my $client = $server->accept()) { 53 $client->recv(my $buf, 8, 0); 54 my ($version, $req_len) = unpack('N N', $buf); 55 56 if ($version != 1 || $req_len < 17) { 57 printf("Badly formatted request\n"); 58 $client->send(pack('N', 2)); 59 next; 60 } 61 62 $client->recv(my $buf, $req_len - 8, 0); 63 64 my ($signer, 65 $name, 66 $addr, 67 $type, 68 $key, 69 $key_data) = unpack('Z* Z* Z* Z* Z* N/a', $buf); 70 71 if ($req_len != length($buf)+8) { 72 printf("Length mismatch %u %u\n", $req_len, length($buf)+8); 73 $client->send(pack('N', 2)); 74 next; 75 } 76 77 printf("version=%u signer=%s name=%s addr=%s type=%s key=%s key_data_len=%u\n", 78 $version, $signer, $name, $addr, $type, $key, length($key_data)); 79 80 my $result; 81 if ($typeallowed eq $type) { 82 $result = 1; 83 printf("allowed type %s == %s\n", $type, $typeallowed); 84 } else { 85 printf("disallowed type %s != %s\n", $type, $typeallowed); 86 $result = 0; 87 } 88 89 $reply = pack('N', $result); 90 $client->send($reply); 91} 92