Mercurial > hg > nginx-tests
annotate ssl_sni.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 | db6fd9184fa0 |
rev | line source |
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237 | 1 #!/usr/bin/perl |
2 | |
3 # (C) Maxim Dounin | |
4 # (C) Valentin Bartenev | |
5 | |
6 # Tests for Server Name Indication (SNI) TLS extension | |
7 | |
8 ############################################################################### | |
9 | |
10 use warnings; | |
11 use strict; | |
12 | |
13 use Test::More; | |
14 | |
15 BEGIN { use FindBin; chdir($FindBin::Bin); } | |
16 | |
17 use lib 'lib'; | |
18 use Test::Nginx; | |
19 | |
20 ############################################################################### | |
21 | |
22 select STDERR; $| = 1; | |
23 select STDOUT; $| = 1; | |
24 | |
25 my $t = Test::Nginx->new()->has(qw/http http_ssl sni rewrite/) | |
26 ->has_daemon('openssl') | |
27 ->write_file_expand('nginx.conf', <<'EOF'); | |
28 | |
29 %%TEST_GLOBALS%% | |
30 | |
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31 daemon off; |
237 | 32 |
33 events { | |
34 } | |
35 | |
36 http { | |
37 %%TEST_GLOBALS_HTTP%% | |
38 | |
39 server { | |
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40 listen 127.0.0.1:8080 ssl; |
237 | 41 server_name localhost; |
42 | |
43 ssl_certificate_key localhost.key; | |
44 ssl_certificate localhost.crt; | |
45 | |
46 location / { | |
47 return 200 $server_name; | |
48 } | |
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49 |
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50 location /protocol { |
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51 return 200 $ssl_protocol; |
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52 } |
237 | 53 } |
54 | |
55 server { | |
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56 listen 127.0.0.1:8080; |
237 | 57 server_name example.com; |
58 | |
59 ssl_certificate_key example.com.key; | |
60 ssl_certificate example.com.crt; | |
61 | |
62 location / { | |
63 return 200 $server_name; | |
64 } | |
65 } | |
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66 |
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67 server { |
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68 listen 127.0.0.1:8081 ssl; |
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69 server_name localhost; |
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70 |
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71 ssl_certificate_key localhost.key; |
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72 ssl_certificate localhost.crt; |
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73 |
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74 location / { |
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75 return 200 $ssl_session_reused:$ssl_server_name; |
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76 } |
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77 } |
237 | 78 } |
79 | |
80 EOF | |
81 | |
82 eval { require IO::Socket::SSL; die if $IO::Socket::SSL::VERSION < 1.56; }; | |
83 plan(skip_all => 'IO::Socket::SSL version >= 1.56 required') if $@; | |
84 | |
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85 eval { |
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86 if (IO::Socket::SSL->can('can_client_sni')) { |
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87 IO::Socket::SSL->can_client_sni() or die; |
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88 } |
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89 }; |
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90 plan(skip_all => 'IO::Socket::SSL with OpenSSL SNI support required') if $@; |
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91 |
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92 eval { |
237 | 93 my $ctx = Net::SSLeay::CTX_new() or die; |
94 my $ssl = Net::SSLeay::new($ctx) or die; | |
95 Net::SSLeay::set_tlsext_host_name($ssl, 'example.org') == 1 or die; | |
96 }; | |
97 plan(skip_all => 'Net::SSLeay with OpenSSL SNI support required') if $@; | |
98 | |
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99 $t->plan(8); |
237 | 100 |
101 $t->write_file('openssl.conf', <<EOF); | |
102 [ req ] | |
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103 default_bits = 2048 |
237 | 104 encrypt_key = no |
105 distinguished_name = req_distinguished_name | |
106 [ req_distinguished_name ] | |
107 EOF | |
108 | |
109 my $d = $t->testdir(); | |
110 | |
111 foreach my $name ('localhost', 'example.com') { | |
112 system('openssl req -x509 -new ' | |
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113 . "-config $d/openssl.conf -subj /CN=$name/ " |
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114 . "-out $d/$name.crt -keyout $d/$name.key " |
237 | 115 . ">>$d/openssl.out 2>&1") == 0 |
116 or die "Can't create certificate for $name: $!\n"; | |
117 } | |
118 | |
119 $t->run(); | |
120 | |
121 ############################################################################### | |
122 | |
123 like(get_cert_cn(), qr!/CN=localhost!, 'default cert'); | |
124 like(get_cert_cn('example.com'), qr!/CN=example.com!, 'sni cert'); | |
125 | |
126 like(https_get_host('example.com'), qr!example.com!, | |
127 'host exists, sni exists, and host is equal sni'); | |
128 | |
129 like(https_get_host('example.com', 'example.org'), qr!example.com!, | |
130 'host exists, sni not found'); | |
131 | |
132 TODO: { | |
133 local $TODO = 'sni restrictions'; | |
134 | |
135 like(https_get_host('example.com', 'localhost'), qr!400 Bad Request!, | |
136 'host exists, sni exists, and host is not equal sni'); | |
137 | |
138 like(https_get_host('example.org', 'example.com'), qr!400 Bad Request!, | |
139 'host not found, sni exists'); | |
140 | |
141 } | |
142 | |
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143 # $ssl_server_name in sessions |
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144 |
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145 my $ctx = new IO::Socket::SSL::SSL_Context( |
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146 SSL_verify_mode => IO::Socket::SSL::SSL_VERIFY_NONE(), |
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147 SSL_session_cache_size => 100); |
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148 |
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149 like(get('/', 'localhost', 8081, $ctx), qr/^\.:localhost$/m, 'ssl server name'); |
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150 |
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151 SKIP: { |
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152 skip 'no TLS 1.3 sessions', 1 if get('/protocol', 'localhost') =~ /TLSv1.3/ |
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153 && ($Net::SSLeay::VERSION < 1.88 || $IO::Socket::SSL::VERSION < 2.061); |
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154 |
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155 like(get('/', 'localhost', 8081, $ctx), qr/^r:localhost$/m, |
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156 'ssl server name - reused'); |
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157 |
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158 } |
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159 |
237 | 160 ############################################################################### |
161 | |
162 sub get_ssl_socket { | |
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163 my ($host, $port, $ctx) = @_; |
237 | 164 my $s; |
165 | |
166 eval { | |
167 local $SIG{ALRM} = sub { die "timeout\n" }; | |
168 local $SIG{PIPE} = sub { die "sigpipe\n" }; | |
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169 alarm(8); |
237 | 170 $s = IO::Socket::SSL->new( |
171 Proto => 'tcp', | |
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172 PeerAddr => '127.0.0.1:' . port($port || 8080), |
237 | 173 SSL_hostname => $host, |
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174 SSL_reuse_ctx => $ctx, |
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175 SSL_verify_mode => IO::Socket::SSL::SSL_VERIFY_NONE(), |
237 | 176 SSL_error_trap => sub { die $_[1] } |
177 ); | |
178 alarm(0); | |
179 }; | |
180 alarm(0); | |
181 | |
182 if ($@) { | |
183 log_in("died: $@"); | |
184 return undef; | |
185 } | |
186 | |
187 return $s; | |
188 } | |
189 | |
190 sub get_cert_cn { | |
191 my ($host) = @_; | |
192 my $s = get_ssl_socket($host); | |
193 | |
194 return $s->dump_peer_certificate(); | |
195 } | |
196 | |
197 sub https_get_host { | |
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198 my ($host, $sni) = @_; |
237 | 199 my $s = get_ssl_socket($sni ? $sni : $host); |
200 | |
201 return http(<<EOF, socket => $s); | |
202 GET / HTTP/1.0 | |
203 Host: $host | |
204 | |
205 EOF | |
206 } | |
207 | |
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208 sub get { |
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209 my ($uri, $host, $port, $ctx) = @_; |
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210 my $s = get_ssl_socket($host, $port, $ctx) or return; |
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211 my $r = http_get($uri, socket => $s); |
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212 $s->close(); |
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213 return $r; |
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214 } |
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215 |
237 | 216 ############################################################################### |