Mercurial > hg > nginx-tests
view mail_imap_ssl.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 | dbce8fb5f5f8 |
children | 74986ebee2fd |
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#!/usr/bin/perl # (C) Maxim Dounin # (C) Sergey Kandaurov # (C) Nginx, Inc. # Tests for nginx mail imap module with ssl. ############################################################################### use warnings; use strict; use Test::More; use MIME::Base64; BEGIN { use FindBin; chdir($FindBin::Bin); } use lib 'lib'; use Test::Nginx; use Test::Nginx::IMAP; ############################################################################### select STDERR; $| = 1; select STDOUT; $| = 1; eval { require IO::Socket::SSL; }; plan(skip_all => 'IO::Socket::SSL not installed') if $@; eval { IO::Socket::SSL::SSL_VERIFY_NONE(); }; plan(skip_all => 'IO::Socket::SSL too old') if $@; local $SIG{PIPE} = 'IGNORE'; my $t = Test::Nginx->new()->has(qw/mail mail_ssl imap http rewrite/) ->has_daemon('openssl')->plan(12) ->write_file_expand('nginx.conf', <<'EOF'); %%TEST_GLOBALS%% daemon off; events { } mail { proxy_pass_error_message on; auth_http http://127.0.0.1:8080/mail/auth; auth_http_pass_client_cert on; ssl_certificate_key 1.example.com.key; ssl_certificate 1.example.com.crt; server { listen 127.0.0.1:8142; protocol imap; } server { listen 127.0.0.1:8143 ssl; protocol imap; ssl_verify_client on; ssl_client_certificate 2.example.com.crt; } server { listen 127.0.0.1:8145 ssl; protocol imap; ssl_verify_client optional; ssl_client_certificate 2.example.com.crt; } server { listen 127.0.0.1:8146 ssl; protocol imap; ssl_verify_client optional; ssl_client_certificate 2.example.com.crt; ssl_trusted_certificate 3.example.com.crt; } server { listen 127.0.0.1:8147 ssl; protocol imap; ssl_verify_client optional_no_ca; ssl_client_certificate 2.example.com.crt; } } http { %%TEST_GLOBALS_HTTP%% log_format test '$http_auth_ssl:$http_auth_ssl_verify:' '$http_auth_ssl_subject:$http_auth_ssl_issuer:' '$http_auth_ssl_serial:$http_auth_ssl_fingerprint:' '$http_auth_ssl_cert:$http_auth_pass'; server { listen 127.0.0.1:8080; server_name localhost; location = /mail/auth { access_log auth.log test; add_header Auth-Status OK; add_header Auth-Server 127.0.0.1; add_header Auth-Port %%PORT_8144%%; add_header Auth-Wait 1; return 204; } } } 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 ('1.example.com', '2.example.com', '3.example.com') { 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"; } $t->run_daemon(\&Test::Nginx::IMAP::imap_test_daemon); $t->run()->waitforsocket('127.0.0.1:' . port(8144)); ############################################################################### my $cred = sub { encode_base64("\0test\@example.com\0$_[0]", '') }; my %ssl = ( SSL => 1, SSL_verify_mode => IO::Socket::SSL::SSL_VERIFY_NONE(), SSL_error_trap => sub { die $_[1] }, ); # no ssl connection my $s = Test::Nginx::IMAP->new(PeerAddr => '127.0.0.1:' . port(8142)); $s->ok('plain connection'); $s->send('1 AUTHENTICATE PLAIN ' . $cred->("s1")); # no cert $s = Test::Nginx::IMAP->new(PeerAddr => '127.0.0.1:' . port(8143), %ssl); $s->check(qr/BYE No required SSL certificate/, 'no cert'); # no cert with ssl_verify_client optional $s = Test::Nginx::IMAP->new(PeerAddr => '127.0.0.1:' . port(8145), %ssl); $s->ok('no optional cert'); $s->send('1 AUTHENTICATE PLAIN ' . $cred->("s2")); # wrong cert with ssl_verify_client optional $s = Test::Nginx::IMAP->new( PeerAddr => '127.0.0.1:' . port(8145), SSL_cert_file => "$d/1.example.com.crt", SSL_key_file => "$d/1.example.com.key", %ssl, ); $s->check(qr/BYE SSL certificate error/, 'bad optional cert'); # wrong cert with ssl_verify_client optional_no_ca $s = Test::Nginx::IMAP->new( PeerAddr => '127.0.0.1:' . port(8147), SSL_cert_file => "$d/1.example.com.crt", SSL_key_file => "$d/1.example.com.key", %ssl, ); $s->ok('bad optional_no_ca cert'); $s->send('1 AUTHENTICATE PLAIN ' . $cred->("s3")); # matching cert with ssl_verify_client optional $s = Test::Nginx::IMAP->new( PeerAddr => '127.0.0.1:' . port(8145), SSL_cert_file => "$d/2.example.com.crt", SSL_key_file => "$d/2.example.com.key", %ssl, ); $s->ok('good cert'); $s->send('1 AUTHENTICATE PLAIN ' . $cred->("s4")); # trusted cert with ssl_verify_client optional $s = Test::Nginx::IMAP->new( PeerAddr => '127.0.0.1:' . port(8146), SSL_cert_file => "$d/3.example.com.crt", SSL_key_file => "$d/3.example.com.key", %ssl, ); $s->ok('trusted cert'); $s->send('1 AUTHENTICATE PLAIN ' . $cred->("s5")); $s->read(); # test auth_http request header fields with access_log $t->stop(); my $f = $t->read_file('auth.log'); like($f, qr/^-:-:-:-:-:-:-\x0d?\x0a?:s1$/m, 'log - plain connection'); like($f, qr/^on:NONE:-:-:-:-:-\x0d?\x0a?:s2$/m, 'log - no cert'); like($f, qr!^on:FAILED(?:.*):(/?CN=1.example.com):\1:\w+:\w+:[^:]+:s3$!m, 'log - bad cert'); like($f, qr!^on:SUCCESS:(/?CN=2.example.com):\1:\w+:\w+:[^:]+:s4$!m, 'log - good cert'); like($f, qr!^on:SUCCESS:(/?CN=3.example.com):\1:\w+:\w+:[^:]+:s5$!m, 'log - trusted cert'); ###############################################################################