Mercurial > hg > nginx-tests
view stream_ssl_preread.t @ 1938:e1059682aeef
Tests: fixed ClientHello with resending Initial QUIC packets.
Previously it was rebuilt each time using distinct ClientHello.random
resulting in different CRYPTO payload. As such, it led to TLS digest
hash and derived secrets mismatch when resending Initial packet. Now
ClientHello is built once and reused when resending Initial packets.
Additionally, this required to preserve a generated secret value used
in shared secret calculation as part of TLS key schedule. Previously
it was regenerated when receiving a Retry packet, but this won't work
with reused ClientHello as the resulting shared secrets won't match.
author | Sergey Kandaurov <pluknet@nginx.com> |
---|---|
date | Wed, 30 Aug 2023 02:22:58 +0400 |
parents | 46351d990aee |
children |
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#!/usr/bin/perl # (C) Sergey Kandaurov # (C) Nginx, Inc. # Tests for stream_ssl_preread module. ############################################################################### use warnings; use strict; use Test::More; BEGIN { use FindBin; chdir($FindBin::Bin); } use lib 'lib'; use Test::Nginx; use Test::Nginx::Stream qw/ stream /; ############################################################################### select STDERR; $| = 1; select STDOUT; $| = 1; my $t = Test::Nginx->new()->has(qw/stream stream_map stream_ssl_preread/) ->has(qw/stream_ssl stream_return socket_ssl_sni/) ->has_daemon('openssl')->plan(13) ->write_file_expand('nginx.conf', <<'EOF'); %%TEST_GLOBALS%% daemon off; events { } stream { %%TEST_GLOBALS_STREAM%% log_format status $status; map $ssl_preread_server_name $name { "" 127.0.0.1:8093; default $ssl_preread_server_name; } upstream foo { server 127.0.0.1:8091; } upstream bar { server 127.0.0.1:8092; } upstream next { server 127.0.0.1:8094; server 127.0.0.1:8080; } ssl_preread on; server { listen 127.0.0.1:8080; return $name; } server { listen 127.0.0.1:8081; proxy_pass $name; } server { listen 127.0.0.1:8082; proxy_pass $name; ssl_preread off; } server { listen 127.0.0.1:8083; proxy_pass $name; preread_timeout 2s; preread_buffer_size 42; access_log %%TESTDIR%%/status.log status; } server { listen 127.0.0.1:8084; proxy_pass next; proxy_connect_timeout 2s; preread_buffer_size 8; } ssl_certificate_key localhost.key; ssl_certificate localhost.crt; server { listen 127.0.0.1:8091 ssl; listen 127.0.0.1:8092 ssl; listen 127.0.0.1:8093 ssl; ssl_preread off; return $server_port; } } 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 ('localhost') { 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"; } $t->run(); ############################################################################### my ($p1, $p2, $p3, $p4) = (port(8091), port(8092), port(8093), port(8084)); is(get_ssl('foo', 8081), $p1, 'sni'); is(get_ssl('foo', 8081), $p1, 'sni again'); is(get_ssl('bar', 8081), $p2, 'sni 2'); is(get_ssl('bar', 8081), $p2, 'sni 2 again'); # fallback to an empty value for some reason is(get_ssl('', 8081), $p3, 'no sni'); is(get_ssl('foo', 8082), $p3, 'preread off'); is(get_ssl('foo', 8083), '', 'preread buffer full'); is(stream('127.0.0.1:' . port(8080))->io('x' x 1000), "127.0.0.1:$p3", 'not a handshake'); # ticket #1317 is(stream("127.0.0.1:$p4")->io('x' x 16), "127.0.0.1:$p3", 'pending buffers on next upstream'); # no junk in variable due to short ClientHello length value is(get_short(), "127.0.0.1:$p3", 'short client hello'); # allow record with older SSL version, such as 3.0 is(get_oldver(), 'foo', 'older version in ssl record'); # SNI "foo|f" fragmented across TLS records is(get_frag(), 'foof', 'handshake fragment split on SNI'); $t->stop(); is($t->read_file('status.log'), "400\n", 'preread buffer full - log'); ############################################################################### sub get_frag { my $r = pack("N*", 0x16030100, 0x3b010000, 0x380303ac, 0x8c8678a0, 0xaa1e7eed, 0x3644eed6, 0xc3bd2c69, 0x7bc7deda, 0x249db0e3, 0x0c339eba, 0xa80b7600, 0x00020000, 0x0100000d, 0x00000009, 0x00070000, 0x04666f6f, 0x16030100); $r .= pack("n", 0x0166); http($r); } sub get_short { my $r = pack("N*", 0x16030100, 0x38010000, 0x330303eb); $r .= pack("N*", 0x6357cdba, 0xa6b8d853, 0xf1f6ac0f); $r .= pack("N*", 0xdf03178c, 0x0ae41824, 0xe7643682); $r .= pack("N*", 0x3c1b273f, 0xbfde4b00, 0x00000000); $r .= pack("CN3", 0x0c, 0x00000008, 0x00060000, 0x03666f6f); http($r); } sub get_oldver { my $r = pack("N*", 0x16030000, 0x38010000, 0x340303eb); $r .= pack("N*", 0x6357cdba, 0xa6b8d853, 0xf1f6ac0f); $r .= pack("N*", 0xdf03178c, 0x0ae41824, 0xe7643682); $r .= pack("N*", 0x3c1b273f, 0xbfde4b00, 0x00000000); $r .= pack("CN3", 0x0c, 0x00000008, 0x00060000, 0x03666f6f); http($r); } sub get_ssl { my ($host, $port) = @_; my $s = stream( PeerAddr => '127.0.0.1:' . port($port), SSL => 1, SSL_hostname => $host ); return $s->read(); } ###############################################################################