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Tests: ssl_ocsp tests.
author Sergey Kandaurov <pluknet@nginx.com>
date Wed, 20 May 2020 15:04:50 +0300
parents cd6abbe0f989
children 1b4ceab9cb1c
files ssl_ocsp.t
diffstat 1 files changed, 504 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
new file mode 100644
--- /dev/null
+++ b/ssl_ocsp.t
@@ -0,0 +1,504 @@
+#!/usr/bin/perl
+
+# (C) Sergey Kandaurov
+# (C) Nginx, Inc.
+
+# Tests for OCSP with client certificates.
+
+###############################################################################
+
+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 $@;
+
+eval {
+	my $ctx = Net::SSLeay::CTX_new() or die;
+	my $ssl = Net::SSLeay::new($ctx) or die;
+	Net::SSLeay::set_tlsext_host_name($ssl, 'example.org') == 1 or die;
+};
+plan(skip_all => 'Net::SSLeay with OpenSSL SNI support required') if $@;
+
+my $t = Test::Nginx->new()->has(qw/http http_ssl sni/)->has_daemon('openssl');
+
+plan(skip_all => 'no OCSP stapling') if $t->has_module('BoringSSL');
+
+$t->write_file_expand('nginx.conf', <<'EOF');
+
+%%TEST_GLOBALS%%
+
+daemon off;
+
+events {
+}
+
+http {
+    %%TEST_GLOBALS_HTTP%%
+
+    ssl_ocsp leaf;
+    ssl_verify_client on;
+    ssl_verify_depth 2;
+    ssl_client_certificate trusted.crt;
+
+    ssl_ciphers DEFAULT:ECCdraft;
+
+    ssl_certificate_key ec.key;
+    ssl_certificate ec.crt;
+
+    ssl_certificate_key rsa.key;
+    ssl_certificate rsa.crt;
+
+    ssl_session_cache shared:SSL:1m;
+    ssl_session_tickets off;
+
+    add_header X-Verify x${ssl_client_verify}:${ssl_session_reused}x always;
+
+    server {
+        listen       127.0.0.1:8443 ssl;
+        server_name  localhost;
+    }
+
+    server {
+        listen       127.0.0.1:8443 ssl;
+        server_name  sni;
+
+        ssl_ocsp_responder http://127.0.0.1:8082;
+    }
+
+    server {
+        listen       127.0.0.1:8444 ssl;
+        server_name  localhost;
+
+        ssl_ocsp on;
+    }
+
+    server {
+        listen       127.0.0.1:8445 ssl;
+        server_name  localhost;
+
+        ssl_ocsp_responder http://127.0.0.1:8082;
+    }
+
+    server {
+        listen       127.0.0.1:8446 ssl;
+        server_name  localhost;
+
+        ssl_ocsp_cache shared:OCSP:1m;
+    }
+
+    server {
+        listen       127.0.0.1:8447 ssl;
+        server_name  localhost;
+
+        ssl_ocsp_responder http://127.0.0.1:8082;
+        ssl_client_certificate root.crt;
+    }
+}
+
+EOF
+
+my $d = $t->testdir();
+my $p = port(8081);
+
+$t->write_file('openssl.conf', <<EOF);
+[ req ]
+default_bits = 2048
+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 = sha256
+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 $d/int.crt -serial -noout "
+	. ">>$d/serial_int 2>>$d/openssl.out") == 0
+	or die "Can't obtain serial for end: $!\n";
+
+my $serial_int = pack("n2", 0x0202, hex $1)
+	if $t->read_file('serial_int') =~ /(\d+)/;
+
+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+)/;
+
+# ocsp end
+
+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/int.crt -rkey $d/int.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'));
+
+# server cert/key
+
+system("openssl ecparam -genkey -out $d/ec.key -name prime256v1 "
+	. ">>$d/openssl.out 2>&1") == 0 or die "Can't create EC pem: $!\n";
+system("openssl genrsa -out $d/rsa.key 2048 >>$d/openssl.out 2>&1") == 0
+	or die "Can't create RSA pem: $!\n";
+
+foreach my $name ('ec', 'rsa') {
+	system("openssl req -x509 -new -key $d/$name.key "
+		. "-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: $!\n";
+}
+
+$t->run_daemon(\&http_daemon, $t, port(8081));
+$t->run_daemon(\&http_daemon, $t, port(8082));
+$t->try_run('no ssl_ocsp')->plan(13);
+
+$t->waitforsocket("127.0.0.1:" . port(8081));
+$t->waitforsocket("127.0.0.1:" . port(8082));
+
+my $version = get_version();
+
+###############################################################################
+
+like(get('RSA', 'end'), qr/200 OK.*SUCCESS/s, 'ocsp leaf');
+
+# demonstrate that ocsp int request is actually made by failing ocsp response
+
+like(get('RSA', 'end', port => 8444),
+	qr/400 Bad.*FAILED:certificate status request failed/s,
+	'ocsp many failed');
+
+# now prepare valid ocsp int response
+
+system("openssl ocsp -issuer $d/root.crt -cert $d/int.crt "
+	. "-reqout $d/int-req.der >>$d/openssl.out 2>&1") == 0
+	or die "Can't create OCSP request: $!\n";
+
+system("openssl ocsp -index $d/certindex -CA $d/root.crt "
+	. "-rsigner $d/root.crt -rkey $d/root.key "
+	. "-reqin $d/int-req.der -respout $d/int-resp.der -ndays 1 "
+	. ">>$d/openssl.out 2>&1") == 0
+	or die "Can't create OCSP response: $!\n";
+
+like(get('RSA', 'end', port => 8444), qr/200 OK.*SUCCESS/s, 'ocsp many');
+
+# store into ssl_ocsp_cache
+
+like(get('RSA', 'end', port => 8446), qr/200 OK.*SUCCESS/s, 'cache store');
+
+# revoke
+
+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/int.crt -rkey $d/int.key "
+	. "-reqin $d/req.der -respout $d/revoked.der -ndays 1 "
+	. ">>$d/openssl.out 2>&1") == 0
+	or die "Can't create OCSP response: $!\n";
+
+like(get('RSA', 'end'), qr/400 Bad.*FAILED:certificate revoked/s, 'revoked');
+
+# with different responder where it's still valid
+
+like(get('RSA', 'end', port => 8445), qr/200 OK.*SUCCESS/s, 'ocsp responder');
+
+# with different context to responder where it's still valid
+
+like(get('RSA', 'end', sni => 'sni'), qr/200 OK.*SUCCESS/s, 'ocsp context');
+
+# with cached ocsp response it's still valid
+
+like(get('RSA', 'end', port => 8446), qr/200 OK.*SUCCESS/s, 'cache lookup');
+
+# ocsp end response signed with invalid (root) cert, expect HTTP 400
+
+like(get('ECDSA', 'ec-end'),
+	qr/400 Bad.*FAILED:certificate status request failed/s,
+	'root ca not trusted');
+
+# now sign ocsp end response with valid int cert
+
+system("openssl ocsp -index $d/certindex -CA $d/int.crt "
+	. "-rsigner $d/int.crt -rkey $d/int.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: $!\n";
+
+like(get('ECDSA', 'ec-end'), qr/200 OK.*SUCCESS/s, 'ocsp ecdsa');
+
+my ($s, $ssl) = get('ECDSA', 'ec-end');
+my $ses = Net::SSLeay::get_session($ssl);
+
+like(get('ECDSA', 'ec-end', ses => $ses),
+	qr/200 OK.*SUCCESS:r/s, 'session reused');
+
+# revoke with saved session
+
+system("openssl ca -config $d/ca.conf -revoke $d/ec-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/ec-end.crt "
+	. "-reqout $d/ec-req.der >>$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/int.crt -rkey $d/int.key "
+	. "-reqin $d/ec-req.der -respout $d/ec-resp.der -ndays 1 "
+	. ">>$d/openssl.out 2>&1") == 0
+	or die "Can't create OCSP response: $!\n";
+
+# reusing session with revoked certificate
+
+like(get('ECDSA', 'ec-end', ses => $ses),
+	qr/400 Bad.*FAILED:certificate revoked:r/s, 'session reused - revoked');
+
+# regression test for self-signed
+
+like(get('RSA', 'root', port => 8447), qr/200 OK.*SUCCESS/s, 'ocsp one');
+
+###############################################################################
+
+sub get {
+	my ($type, $cert, %extra) = @_;
+	$type = 'PSS' if $type eq 'RSA' && $version > 0x0303;
+	my ($s, $ssl) = get_ssl_socket($type, $cert, %extra);
+	my $cipher = Net::SSLeay::get_cipher($ssl);
+	Test::Nginx::log_core('||', "cipher: $cipher");
+	my $host = $extra{sni} ? $extra{sni} : 'localhost';
+	Net::SSLeay::write($ssl, "GET /serial HTTP/1.0\nHost: $host\n\n");
+	my $r = Net::SSLeay::read($ssl);
+	Test::Nginx::log_core($r);
+	$s->close();
+	return $r unless wantarray();
+	return ($s, $ssl);
+}
+
+sub get_ssl_socket {
+	my ($type, $cert, %extra) = @_;
+	my $ses = $extra{ses};
+	my $sni = $extra{sni};
+	my $port = $extra{port} || 8443;
+	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 $!");
+
+	if (defined $type) {
+		my $ssleay = Net::SSLeay::SSLeay();
+		if ($ssleay < 0x1000200f || $ssleay == 0x20000000) {
+			Net::SSLeay::CTX_set_cipher_list($ctx, $type)
+				or die("Failed to set cipher list");
+		} else {
+			# SSL_CTRL_SET_SIGALGS_LIST
+			Net::SSLeay::CTX_ctrl($ctx, 98, 0, $type . '+SHA256')
+				or die("Failed to set sigalgs");
+		}
+	}
+
+	Net::SSLeay::set_cert_and_key($ctx, "$d/$cert.crt", "$d/$cert.key")
+		or die if $cert;
+	my $ssl = Net::SSLeay::new($ctx) or die("Failed to create SSL $!");
+	Net::SSLeay::set_session($ssl, $ses) if defined $ses;
+	Net::SSLeay::set_tlsext_host_name($ssl, $sni) if $sni;
+	Net::SSLeay::set_fd($ssl, fileno($s));
+	Net::SSLeay::connect($ssl) or die("ssl connect");
+	return ($s, $ssl);
+}
+
+sub get_version {
+	my ($s, $ssl) = get_ssl_socket();
+	return Net::SSLeay::version($ssl);
+}
+
+###############################################################################
+
+sub http_daemon {
+	my ($t, $port) = @_;
+	my $server = IO::Socket::INET->new(
+		Proto => 'tcp',
+		LocalHost => "127.0.0.1:$port",
+		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 = '';
+		my $resp;
+
+		while (<$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);
+
+		if (index($req, $serial_int) > 0) {
+			$resp = 'int-resp';
+
+		} elsif (index($req, $serial) > 0) {
+			$resp = 'resp';
+
+			# used to differentiate ssl_ocsp_responder
+
+			if ($port == port(8081) && -e "$d/revoked.der") {
+				$resp = 'revoked';
+			}
+
+		} else {
+			$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")
+			if -e "$d/$resp.der";
+	}
+}
+
+###############################################################################