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216a97188d
When the authsock.pl script would be terminated with a signal, it would leave the pidfile around. This commit adds a signal handler that cleanups the pidfile on signals that are expected.
94 lines
2.2 KiB
Perl
94 lines
2.2 KiB
Perl
#!/usr/bin/env perl
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#
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# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, you can obtain one at https://mozilla.org/MPL/2.0/.
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#
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# See the COPYRIGHT file distributed with this work for additional
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# information regarding copyright ownership.
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# test the update-policy external protocol
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require 5.6.0;
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use IO::Socket::UNIX;
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use Getopt::Long;
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my $path;
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my $typeallowed = "A";
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my $pidfile = "authsock.pid";
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my $timeout = 0;
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GetOptions("path=s" => \$path,
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"type=s" => \$typeallowed,
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"pidfile=s" => \$pidfile,
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"timeout=i" => \$timeout);
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if (!defined($path)) {
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print("Usage: authsock.pl --path=<sockpath> --type=type --pidfile=pidfile\n");
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exit(1);
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}
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unlink($path);
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my $server = IO::Socket::UNIX->new(Local => $path, Type => SOCK_STREAM, Listen => 8) or
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die "unable to create socket $path";
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chmod 0777, $path;
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# setup our pidfile
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open(my $pid,">",$pidfile)
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or die "unable to open pidfile $pidfile";
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print $pid "$$\n";
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close($pid);
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# close gracefully
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sub rmpid { unlink "$pidfile"; exit 1; };
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$SIG{INT} = \&rmpid;
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$SIG{TERM} = \&rmpid;
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if ($timeout != 0) {
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# die after the given timeout
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alarm($timeout);
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}
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while (my $client = $server->accept()) {
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$client->recv(my $buf, 8, 0);
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my ($version, $req_len) = unpack('N N', $buf);
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if ($version != 1 || $req_len < 17) {
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printf("Badly formatted request\n");
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$client->send(pack('N', 2));
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next;
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}
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$client->recv(my $buf, $req_len - 8, 0);
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my ($signer,
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$name,
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$addr,
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$type,
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$key,
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$key_data) = unpack('Z* Z* Z* Z* Z* N/a', $buf);
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if ($req_len != length($buf)+8) {
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printf("Length mismatch %u %u\n", $req_len, length($buf)+8);
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$client->send(pack('N', 2));
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next;
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}
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printf("version=%u signer=%s name=%s addr=%s type=%s key=%s key_data_len=%u\n",
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$version, $signer, $name, $addr, $type, $key, length($key_data));
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my $result;
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if ($typeallowed eq $type) {
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$result = 1;
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printf("allowed type %s == %s\n", $type, $typeallowed);
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} else {
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printf("disallowed type %s != %s\n", $type, $typeallowed);
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$result = 0;
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}
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$reply = pack('N', $result);
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$client->send($reply);
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}
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