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Tests: avoid edge cases in upstream random two test. Unavailable servers contribute to the number of attempts, if selected, before the balancer would fall back to the default round-robin method. This means that it's quite possible to get server with more connections. To facilitate with selecting two alive servers, down server was removed from the upstream configuration at the cost of slightly worse coverage.
author Sergey Kandaurov <pluknet@nginx.com>
date Thu, 10 Jan 2019 17:42:34 +0300
parents 4e48bf51714f
children e8ba4ae5e3ac
line wrap: on
line source

#!/usr/bin/perl

# (C) Sergey Kandaurov
# (C) Nginx, Inc.

# Tests for OCSP stapling.

###############################################################################

use warnings;
use strict;

use Test::More;

use MIME::Base64 qw/ decode_base64 /;

BEGIN { use FindBin; chdir($FindBin::Bin); }

use lib 'lib';
use Test::Nginx;

###############################################################################

select STDERR; $| = 1;
select STDOUT; $| = 1;

eval {
	require Net::SSLeay;
	Net::SSLeay::load_error_strings();
	Net::SSLeay::SSLeay_add_ssl_algorithms();
	Net::SSLeay::randomize();
	Net::SSLeay::SSLeay();
	defined &Net::SSLeay::set_tlsext_status_type or die;
};
plan(skip_all => 'Net::SSLeay not installed or too old') if $@;

my $t = Test::Nginx->new()->has(qw/http http_ssl/)->has_daemon('openssl');

plan(skip_all => 'no OCSP stapling') if $t->has_module('BoringSSL');

$t->plan(9)->write_file_expand('nginx.conf', <<'EOF');

%%TEST_GLOBALS%%

daemon off;

events {
}

http {
    %%TEST_GLOBALS_HTTP%%

    ssl_stapling on;
    ssl_trusted_certificate trusted.crt;

    ssl_certificate ec-end-int.crt;
    ssl_certificate_key ec-end.key;

    ssl_certificate end-int.crt;
    ssl_certificate_key end.key;

    server {
        listen       127.0.0.1:8443 ssl;
        listen       127.0.0.1:8080;
        server_name  localhost;
    }

    server {
        listen       127.0.0.1:8444 ssl;
        server_name  localhost;

        ssl_stapling_responder http://127.0.0.1:8081/;
    }

    server {
        listen       127.0.0.1:8445 ssl;
        server_name  localhost;

        ssl_stapling_verify on;
    }

    server {
        listen       127.0.0.1:8446 ssl;
        server_name  localhost;

        ssl_certificate ec-end.crt;
        ssl_certificate_key ec-end.key;
    }

    server {
        listen       127.0.0.1:8447 ssl;
        server_name  localhost;

        ssl_certificate end-int.crt;
        ssl_certificate_key end.key;

        ssl_stapling_file %%TESTDIR%%/resp.der;
    }

    server {
        listen       127.0.0.1:8448 ssl;
        server_name  localhost;

        ssl_certificate ec-end-int.crt;
        ssl_certificate_key ec-end.key;

        ssl_stapling_file %%TESTDIR%%/ec-resp.der;
    }

    server {
        listen       127.0.0.1:8449 ssl;
        server_name  localhost;

        ssl_stapling_responder http://127.0.0.1:8080/;
    }
}

EOF

my $d = $t->testdir();
my $p = port(8081);

$t->write_file('openssl.conf', <<EOF);
[ req ]
default_bits = 1024
encrypt_key = no
distinguished_name = req_distinguished_name
[ req_distinguished_name ]
EOF

$t->write_file('ca.conf', <<EOF);
[ ca ]
default_ca = myca

[ myca ]
new_certs_dir = $d
database = $d/certindex
default_md = sha1
policy = myca_policy
serial = $d/certserial
default_days = 1
x509_extensions = myca_extensions

[ myca_policy ]
commonName = supplied

[ myca_extensions ]
basicConstraints = critical,CA:TRUE
authorityInfoAccess = OCSP;URI:http://127.0.0.1:$p
EOF

foreach my $name ('root') {
	system('openssl req -x509 -new '
		. "-config $d/openssl.conf -subj /CN=$name/ "
		. "-out $d/$name.crt -keyout $d/$name.key "
		. ">>$d/openssl.out 2>&1") == 0
		or die "Can't create certificate for $name: $!\n";
}

foreach my $name ('int', 'end') {
	system("openssl req -new "
		. "-config $d/openssl.conf -subj /CN=$name/ "
		. "-out $d/$name.csr -keyout $d/$name.key "
		. ">>$d/openssl.out 2>&1") == 0
		or die "Can't create certificate for $name: $!\n";
}

foreach my $name ('ec-end') {
	system("openssl ecparam -genkey -out $d/$name.key -name prime256v1 "
		. ">>$d/openssl.out 2>&1") == 0
		or die "Can't create EC param: $!\n";
	system("openssl req -new -key $d/$name.key "
		. "-config $d/openssl.conf -subj /CN=$name/ "
		. "-out $d/$name.csr "
		. ">>$d/openssl.out 2>&1") == 0
		or die "Can't create certificate for $name: $!\n";
}

$t->write_file('certserial', '1000');
$t->write_file('certindex', '');

system("openssl ca -batch -config $d/ca.conf "
	. "-keyfile $d/root.key -cert $d/root.crt "
	. "-subj /CN=int/ -in $d/int.csr -out $d/int.crt "
	. ">>$d/openssl.out 2>&1") == 0
	or die "Can't sign certificate for int: $!\n";

system("openssl ca -batch -config $d/ca.conf "
	. "-keyfile $d/int.key -cert $d/int.crt "
	. "-subj /CN=ec-end/ -in $d/ec-end.csr -out $d/ec-end.crt "
	. ">>$d/openssl.out 2>&1") == 0
	or die "Can't sign certificate for ec-end: $!\n";

system("openssl ca -batch -config $d/ca.conf "
	. "-keyfile $d/int.key -cert $d/int.crt "
	. "-subj /CN=end/ -in $d/end.csr -out $d/end.crt "
	. ">>$d/openssl.out 2>&1") == 0
	or die "Can't sign certificate for end: $!\n";

# RFC 6960, serialNumber

system("openssl x509 -in $d/end.crt -serial -noout "
	. ">>$d/serial 2>>$d/openssl.out") == 0
	or die "Can't obtain serial for end: $!\n";

my $serial = pack("n2", 0x0202, hex $1) if $t->read_file('serial') =~ /(\d+)/;

system("openssl ca -config $d/ca.conf -revoke $d/end.crt "
	. "-keyfile $d/root.key -cert $d/root.crt "
	. ">>$d/openssl.out 2>&1") == 0
	or die "Can't revoke end.crt: $!\n";

system("openssl ocsp -issuer $d/int.crt -cert $d/end.crt "
	. "-reqout $d/req.der >>$d/openssl.out 2>&1") == 0
	or die "Can't create OCSP request: $!\n";

system("openssl ocsp -index $d/certindex -CA $d/int.crt "
	. "-rsigner $d/root.crt -rkey $d/root.key "
	. "-reqin $d/req.der -respout $d/resp.der -ndays 1 "
	. ">>$d/openssl.out 2>&1") == 0
	or die "Can't create OCSP response: $!\n";

system("openssl ocsp -issuer $d/int.crt -cert $d/ec-end.crt "
	. "-reqout $d/ec-req.der >>$d/openssl.out 2>&1") == 0
	or die "Can't create EC OCSP request: $!\n";

system("openssl ocsp -index $d/certindex -CA $d/int.crt "
	. "-rsigner $d/root.crt -rkey $d/root.key "
	. "-reqin $d/ec-req.der -respout $d/ec-resp.der -ndays 1 "
	. ">>$d/openssl.out 2>&1") == 0
	or die "Can't create EC OCSP response: $!\n";

$t->write_file('trusted.crt',
	$t->read_file('int.crt') . $t->read_file('root.crt'));
$t->write_file('end-int.crt',
	$t->read_file('end.crt') . $t->read_file('int.crt'));
$t->write_file('ec-end-int.crt',
	$t->read_file('ec-end.crt') . $t->read_file('int.crt'));

$t->run_daemon(\&http_daemon, $t);
$t->run();

$t->waitforsocket("127.0.0.1:" . port(8081));

###############################################################################

my $version = get_version();

staple(8443, 'RSA');
staple(8443, 'ECDSA');
staple(8444, 'RSA');
staple(8444, 'ECDSA');
staple(8445, 'ECDSA');
staple(8446, 'ECDSA');
staple(8449, 'ECDSA');

sleep 1;

ok(!staple(8443, 'RSA'), 'staple revoked');
ok(staple(8443, 'ECDSA'), 'staple success');

ok(!staple(8444, 'RSA'), 'responder revoked');
ok(staple(8444, 'ECDSA'), 'responder success');

ok(!staple(8445, 'ECDSA'), 'verify - root not trusted');

ok(staple(8446, 'ECDSA', "$d/int.crt"), 'cert store');

is(staple(8447, 'RSA'), '1 1', 'file revoked');
is(staple(8448, 'ECDSA'), '1 0', 'file success');

ok(!staple(8449, 'ECDSA'), 'ocsp error');

###############################################################################

sub staple {
	my ($port, $ciphers, $ca) = @_;
	my (@resp);

	my $staple_cb = sub {
		my ($ssl, $resp) = @_;
		push @resp, !!$resp;
		return 1 unless $resp;
		my $cert = Net::SSLeay::get_peer_certificate($ssl);
		my $certid = eval { Net::SSLeay::OCSP_cert2ids($ssl, $cert) }
			or do { die "no OCSP_CERTID for certificate: $@"; };

		my @res = Net::SSLeay::OCSP_response_results($resp, $certid);
		push @resp, $res[0][2]->{'statusType'};
	};

	my $s;

	eval {
		local $SIG{ALRM} = sub { die "timeout\n" };
		local $SIG{PIPE} = sub { die "sigpipe\n" };
		alarm(8);
		$s = IO::Socket::INET->new('127.0.0.1:' . port($port));
		alarm(0);
	};
	alarm(0);

	if ($@) {
		log_in("died: $@");
		return undef;
	}

	my $ctx = Net::SSLeay::CTX_new() or die("Failed to create SSL_CTX $!");

	my $ssleay = Net::SSLeay::SSLeay();
	if ($ssleay < 0x1000200f || $ssleay == 0x20000000) {
		Net::SSLeay::CTX_set_cipher_list($ctx, $ciphers)
			or die("Failed to set cipher list");
	} else {
		# SSL_CTRL_SET_SIGALGS_LIST
		$ciphers = 'PSS' if $ciphers eq 'RSA' && $version > 0x0303;
		Net::SSLeay::CTX_ctrl($ctx, 98, 0, $ciphers . '+SHA256')
			or die("Failed to set sigalgs");
	}

	Net::SSLeay::CTX_load_verify_locations($ctx, $ca || '', '');
	Net::SSLeay::CTX_set_tlsext_status_cb($ctx, $staple_cb);
	my $ssl = Net::SSLeay::new($ctx) or die("Failed to create SSL $!");
	Net::SSLeay::set_tlsext_status_type($ssl,
		Net::SSLeay::TLSEXT_STATUSTYPE_ocsp());
	Net::SSLeay::set_fd($ssl, fileno($s));
	Net::SSLeay::connect($ssl) or die("ssl connect");

	return join ' ', @resp;
}

sub get_version {
	my $s;

	eval {
		local $SIG{ALRM} = sub { die "timeout\n" };
		local $SIG{PIPE} = sub { die "sigpipe\n" };
		alarm(8);
		$s = IO::Socket::INET->new('127.0.0.1:' . port(8443));
		alarm(0);
	};
	alarm(0);

	if ($@) {
		log_in("died: $@");
		return undef;
	}

	my $ctx = Net::SSLeay::CTX_new() or die("Failed to create SSL_CTX $!");
	my $ssl = Net::SSLeay::new($ctx) or die("Failed to create SSL $!");
	Net::SSLeay::set_fd($ssl, fileno($s));
	Net::SSLeay::connect($ssl) or die("ssl connect");

	Net::SSLeay::version($ssl);
}

###############################################################################

sub http_daemon {
	my ($t) = shift;
	my $server = IO::Socket::INET->new(
		Proto => 'tcp',
		LocalHost => "127.0.0.1:" . port(8081),
		Listen => 5,
		Reuse => 1
	)
		or die "Can't create listening socket: $!\n";

	local $SIG{PIPE} = 'IGNORE';

	while (my $client = $server->accept()) {
		$client->autoflush(1);

		my $headers = '';
		my $uri = '';

		while (<$client>) {
			$headers .= $_;
			last if (/^\x0d?\x0a?$/);
		}

		$uri = $1 if $headers =~ /^\S+\s+\/([^ ]+)\s+HTTP/i;
		next unless $uri;

		$uri =~ s/%([0-9A-Fa-f]{2})/chr(hex($1))/eg;
		my $req = decode_base64($uri);
		my $resp = index($req, $serial) > 0 ? 'resp' : 'ec-resp';

		# ocsp dummy handler

		select undef, undef, undef, 0.02;

		$headers = <<"EOF";
HTTP/1.1 200 OK
Connection: close
Content-Type: application/ocsp-response

EOF

		print $client $headers . $t->read_file("$resp.der");
	}
}

###############################################################################