Mercurial > hg > nginx-tests
view stream_udp_proxy_requests.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 | f3ba4c74de31 |
children |
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#!/usr/bin/perl # (C) Sergey Kandaurov # (C) Nginx, Inc. # Tests for stream proxy module, the proxy_requests directive. ############################################################################### use warnings; use strict; use Test::More; BEGIN { use FindBin; chdir($FindBin::Bin); } use lib 'lib'; use Test::Nginx; use Test::Nginx::Stream qw/ dgram /; ############################################################################### select STDERR; $| = 1; select STDOUT; $| = 1; my $t = Test::Nginx->new()->has(qw/stream udp/)->plan(26) ->write_file_expand('nginx.conf', <<'EOF'); %%TEST_GLOBALS%% daemon off; events { } stream { %%TEST_GLOBALS_STREAM%% proxy_timeout 2100ms; log_format status $status; server { listen 127.0.0.1:%%PORT_8980_UDP%% udp; proxy_pass 127.0.0.1:%%PORT_8990_UDP%%; proxy_requests 0; } server { listen 127.0.0.1:%%PORT_8981_UDP%% udp; proxy_pass 127.0.0.1:%%PORT_8990_UDP%%; proxy_requests 1; } server { listen 127.0.0.1:%%PORT_8982_UDP%% udp; proxy_pass 127.0.0.1:%%PORT_8990_UDP%%; proxy_requests 2; } server { listen 127.0.0.1:%%PORT_8983_UDP%% udp; proxy_pass 127.0.0.1:%%PORT_8990_UDP%%; } server { listen 127.0.0.1:%%PORT_8984_UDP%% udp; proxy_pass 127.0.0.1:%%PORT_8991_UDP%%; proxy_requests 2; access_log %%TESTDIR%%/s.log status; } server { listen 127.0.0.1:%%PORT_8985_UDP%% udp; proxy_pass 127.0.0.1:%%PORT_8990_UDP%%; proxy_requests 2; proxy_responses 2; access_log %%TESTDIR%%/s2.log status; } } EOF $t->run_daemon(\&udp_daemon, $t, port(8990)); $t->run_daemon(\&udp_daemon, $t, port(8991)); $t->run(); $t->waitforfile($t->testdir . '/' . port(8990)); $t->waitforfile($t->testdir . '/' . port(8991)); ############################################################################### # proxy_requests 0, binding is not dropped across streams my $s = dgram('127.0.0.1:' . port(8980)); my $n = $s->io('1', read => 1); ok($n, 'requests 0 create'); is($s->read(), '1', 'requests 0 create - response'); is($s->io('1', read => 1), $n, 'requests 0 second - binding saved'); is($s->read(), '1', 'requests 0 second - response'); is($s->io('1', read => 1), $n, 'requests 0 follow - binding saved'); is($s->read(), '1', 'requests 0 follow - response'); # proxy_requests 1, binding is dropped on every next stream $s = dgram('127.0.0.1:' . port(8981)); $n = $s->io('1', read => 1); ok($n, 'requests 1 create'); is($s->read(), '1', 'requests 1 create - response'); isnt($s->io('1', read => 1), $n, 'requests 1 second - binding lost'); is($s->read(), '1', 'requests 1 second - response'); # proxy_requests 2, binding is dropped on every second stream $s = dgram('127.0.0.1:' . port(8982)); $n = $s->io('1', read => 1); ok($n, 'requests 2 create'); is($s->read(), '1', 'requests 2 create - response'); is($s->io('1', read => 1), $n, 'requests 2 second - binding saved'); is($s->read(), '1', 'requests 2 second - response'); isnt($s->io('1', read => 1), $n, 'requests 2 follow - binding lost'); is($s->read(), '1', 'requests 2 follow - response'); # proxy_requests unset, binding is not dropped across streams $s = dgram('127.0.0.1:' . port(8983)); $n = $s->io('1', read => 1); ok($n, 'requests unset create'); is($s->read(), '1', 'requests unset create - response'); is($s->io('1', read => 1), $n, 'requests unset second - binding saved'); is($s->read(), '1', 'requests unset second - response'); is($s->io('1', read => 1), $n, 'requests unset follow - binding saved'); is($s->read(), '1', 'requests unset follow - response'); # proxy_requests 2, with slow backend # client sends 5 packets, each responded with 3 packets # expects all packets proxied from backend, the last (uneven) session succeed $s = dgram('127.0.0.1:' . port(8984)); $s->write('2') for 1 .. 5; my $b = join ' ', map { $s->read() } (1 .. 15); like($b, qr/^(\d+ 1 2) \1 (?!\1)(\d+ 1 2) \2 (?!\2)\d+ 1 2$/, 'slow backend'); # proxy_requests 2, proxy_responses 2 # client sends 5 packets, each responded with 2 packets # expects all packets proxied from backend, the last (uneven) session succeed $s = dgram('127.0.0.1:' . port(8985)); $s->write('1') for 1 .. 5; $b = join ' ', map { $s->read() } (1 .. 10); SKIP: { skip 'session could early terminate', 1 unless $ENV{TEST_NGINX_UNSAFE}; like($b, qr/^(\d+ 1) \1 (?!\1)(\d+ 1) \2 (?!\2)\d+ 1$/, 'requests - responses'); } $t->stop(); is($t->read_file('s.log'), <<EOF, 'uneven session status - slow backend'); 200 200 200 EOF is($t->read_file('s2.log'), <<EOF, 'uneven session status - responses'); 200 200 200 EOF ############################################################################### sub udp_daemon { my ($t, $port) = @_; my $server = IO::Socket::INET->new( Proto => 'udp', LocalAddr => "127.0.0.1:$port", Reuse => 1 ) or die "Can't create listening socket: $!\n"; # signal we are ready open my $fh, '>', $t->testdir() . "/$port"; close $fh; my $slp = 1 if $port == port(8991); while (1) { $server->recv(my $buffer, 65536); sleep 1, $slp = 0 if $slp; $server->send($server->peerport()); $server->send($_) for (1 .. $buffer); } } ###############################################################################