Mercurial > hg > nginx-tests
view ssl_certificate.t @ 1571:1b4ceab9cb1c
Tests: fixed ssl_certificate.t with LibreSSL client.
Net::SSLeay::connect() that manages TLS handshake could return unexpected
error when receiving server alert, as seen in server certificate tests if
it could not been selected. Typically, it returns the expected error -1,
but with certain libssl implementations it can be 0, as explained below.
The error is propagated from libssl's SSL_connect(), which is usually -1.
In modern OpenSSL versions, it is the default error code used in the state
machine returned when something went wrong with parsing TLS message header.
In versions up to OpenSSL 1.0.2, with SSLv23_method() used by default, -1
is the only error code in the ssl_connect() method implementation which is
used as well if receiving alert while parsing ServerHello. BoringSSL also
seems to return -1. But it is not so with LibreSSL that returns zero.
Previously, tests failed with client built with LibreSSL with SSLv3 removed.
Here, the error is propagated directly from ssl_read_bytes() method, which
is always implemented as ssl3_read_bytes() in all TLS methods. It could be
also seen with OpenSSL up to 1.0.2 with non-default methods explicitly set.
author | Sergey Kandaurov <pluknet@nginx.com> |
---|---|
date | Fri, 29 May 2020 23:10:20 +0300 |
parents | 144c6ce732e4 |
children | 436d0ffc2ea3 |
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#!/usr/bin/perl # (C) Sergey Kandaurov # (C) Nginx, Inc. # Tests for http ssl module with dynamic certificates. ############################################################################### use warnings; use strict; use Test::More; use Socket qw/ :DEFAULT CRLF /; 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(); }; plan(skip_all => 'Net::SSLeay not installed') 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 geo/) ->has_daemon('openssl'); $t->{_configure_args} =~ /OpenSSL ([\d\.]+)/; plan(skip_all => 'OpenSSL too old') unless defined $1 and $1 ge '1.0.2'; $t->write_file_expand('nginx.conf', <<'EOF'); %%TEST_GLOBALS%% daemon off; events { } http { %%TEST_GLOBALS_HTTP%% geo $one { default one; } geo $two { default two; } geo $pass { default pass; } add_header X-SSL $ssl_server_name:$ssl_session_reused; ssl_session_cache shared:SSL:1m; ssl_session_tickets off; server { listen 127.0.0.1:8080 ssl; server_name default; ssl_certificate $one.crt; ssl_certificate_key $one.key; } server { listen 127.0.0.1:8080 ssl; server_name virtual; # found in key ssl_certificate $two.crt; ssl_certificate_key $two.key; } server { listen 127.0.0.1:8080 ssl; server_name no_ctx; } server { listen 127.0.0.1:8083 ssl; server_name password; # found in key ssl_certificate pass.crt; ssl_certificate_key $pass.key; ssl_password_file password_file; } server { listen 127.0.0.1:8081 ssl; server_name default; ssl_certificate $one.crt; ssl_certificate_key $one.key; } server { listen 127.0.0.1:8082 ssl; server_name default; ssl_certificate $two.crt; ssl_certificate_key $two.key; } server { listen 127.0.0.1:8084 ssl; server_name localhost; ssl_certificate $ssl_server_name.crt; ssl_certificate_key $ssl_server_name.key; } } EOF $t->write_file('openssl.conf', <<EOF); [ req ] default_bits = 2048 encrypt_key = no distinguished_name = req_distinguished_name [ req_distinguished_name ] EOF my $d = $t->testdir(); foreach my $name ('one', 'two') { 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 ('pass') { system("openssl genrsa -out $d/$name.key -passout pass:pass " . "-aes128 2048 >>$d/openssl.out 2>&1") == 0 or die "Can't create $name key: $!\n"; system("openssl req -x509 -new -config $d/openssl.conf " . "-subj /CN=$name/ -out $d/$name.crt -key $d/$name.key " . "-passin pass:pass >>$d/openssl.out 2>&1") == 0 or die "Can't create $name certificate: $!\n"; } $t->write_file('password_file', 'pass'); $t->write_file('index.html', ''); $t->run()->plan(11); ############################################################################### like(cert('default', 8080), qr/CN=one/, 'default certificate'); like(get('default', 8080), qr/default/, 'default context'); like(cert('virtual', 8080), qr/CN=two/, 'virtual server certificate'); like(get('virtual', 8080), qr/virtual/, 'virtual server context'); like(cert('no_ctx', 8080), qr/CN=one/, 'certificate - no context'); like(get('no_ctx', 8080), qr/no_ctx/, 'virtual server - no context'); like(get('password', 8083), qr/password/, 'ssl_password_file'); # session reuse my ($s, $ssl) = get('default', 8080); my $ses = Net::SSLeay::get_session($ssl); like(get('default', 8080, $ses), qr/default:r/, 'session reused'); like(get('default', 8081, $ses), qr/default:r/, 'session id context match'); like(get('default', 8082, $ses), qr/default:\./, 'session id context distinct'); # errors Net::SSLeay::ERR_clear_error(); get_ssl_socket('nx', 8084); ok(Net::SSLeay::ERR_peek_error(), 'no certificate'); ############################################################################### sub get { my ($host, $port, $ctx) = @_; my ($s, $ssl) = get_ssl_socket($host, $port, $ctx) or return; Net::SSLeay::write($ssl, 'GET / HTTP/1.0' . CRLF . CRLF); my $r = Net::SSLeay::read($ssl); $s->close(); return $r unless wantarray(); return ($s, $ssl); } sub cert { my ($host, $port, $ctx) = @_; my ($s, $ssl) = get_ssl_socket($host, $port, $ctx) or return; Net::SSLeay::dump_peer_certificate($ssl); } sub get_ssl_socket { my ($host, $port, $ses) = @_; my $s; my $dest_ip = inet_aton('127.0.0.1'); $port = port($port); my $dest_serv_params = sockaddr_in($port, $dest_ip); socket($s, &AF_INET, &SOCK_STREAM, 0) or die "socket: $!"; connect($s, $dest_serv_params) or die "connect: $!"; 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 $!"); Net::SSLeay::set_tlsext_host_name($ssl, $host); Net::SSLeay::set_session($ssl, $ses) if defined $ses; Net::SSLeay::set_fd($ssl, fileno($s)); Net::SSLeay::connect($ssl); return ($s, $ssl); } ###############################################################################