Mercurial > hg > nginx-tests
view stream_upstream_random.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 | f3ba4c74de31 |
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#!/usr/bin/perl # (C) Sergey Kandaurov # (C) Nginx, Inc. # Tests for upstream random balancer module. ############################################################################### use warnings; use strict; use Test::More; BEGIN { use FindBin; chdir($FindBin::Bin); } use lib 'lib'; use Test::Nginx qw/ :DEFAULT http_end /; ############################################################################### select STDERR; $| = 1; select STDOUT; $| = 1; my $t = Test::Nginx->new() ->has(qw/stream stream_upstream_zone stream_upstream_random/)->plan(12) ->write_file_expand('nginx.conf', <<'EOF'); %%TEST_GLOBALS%% daemon off; worker_processes 2; events { } stream { upstream u { zone z 1m; random; server 127.0.0.1:8081; server 127.0.0.1:8082; } upstream lc { zone lc 1m; random two; server 127.0.0.1:8081; server 127.0.0.1:8082; } upstream w { zone w 1m; random two least_conn; server 127.0.0.1:8081; server 127.0.0.1:8082 weight=2; } upstream mc { zone mc 1m; random; server 127.0.0.1:8081 max_conns=2; server 127.0.0.1:8082 max_conns=1; } upstream mc2 { zone mc 1m; random two; server 127.0.0.1:8081 max_conns=2; server 127.0.0.1:8082 max_conns=1; } upstream one { random; server 127.0.0.1:8081; } upstream two { random two; server 127.0.0.1:8081; } upstream zone { zone z 1m; random; server 127.0.0.1:8081; } upstream ztwo { zone z 1m; random two; server 127.0.0.1:8081; } upstream fail { zone fail 1m; random; server 127.0.0.1:8096; server 127.0.0.1:8083 down; server 127.0.0.1:8082; } upstream fail2 { zone fail2 1m; random two; server 127.0.0.1:8096; server 127.0.0.1:8083 down; server 127.0.0.1:8082; } proxy_connect_timeout 2; server { listen 127.0.0.1:8080; proxy_pass u; } server { listen 127.0.0.1:8083; proxy_pass lc; } server { listen 127.0.0.1:8084; proxy_pass w; } server { listen 127.0.0.1:8085; proxy_pass mc; } server { listen 127.0.0.1:8086; proxy_pass mc2; } server { listen 127.0.0.1:8087; proxy_pass one; } server { listen 127.0.0.1:8088; proxy_pass two; } server { listen 127.0.0.1:8089; proxy_pass zone; } server { listen 127.0.0.1:8090; proxy_pass ztwo; } server { listen 127.0.0.1:8091; proxy_pass fail; } server { listen 127.0.0.1:8092; proxy_pass fail2; } } EOF $t->run_daemon(\&http_daemon, port(8081)); $t->run_daemon(\&http_daemon, port(8082)); $t->run(); $t->waitforsocket('127.0.0.1:' . port(8081)); $t->waitforsocket('127.0.0.1:' . port(8082)); ############################################################################### my @ports = my ($port1, $port2) = (port(8081), port(8082)); like(get(8080, '/'), qr/X-Port: ($port1|$port2)/, 'random'); like(get(8083, '/'), qr/X-Port: ($port1|$port2)/, 'random two'); my $s = get(8083, '/w', start => 1, sleep => 0.5); my $r = get(8083, '/'); my ($p) = http_end($s) =~ /X-Port: (\d+)/; like($r, qr/X-Port: (?!$p)/, 'random wait'); SKIP: { skip 'long test', 3 unless $ENV{TEST_NGINX_UNSAFE}; is(parallel(8084, '/w', 3), "$port1: 1, $port2: 2", 'random weight'); is(parallel(8085, '/w', 4), "$port1: 2, $port2: 1", 'max_conns'); is(parallel(8086, '/w', 4), "$port1: 2, $port2: 1", 'max_conns two'); } # single variants like(get(8087, '/'), qr/X-Port: $port1/, 'single one'); like(get(8088, '/'), qr/X-Port: $port1/, 'single two'); like(get(8089, '/'), qr/X-Port: $port1/, 'zone one'); like(get(8090, '/'), qr/X-Port: $port1/, 'zone two'); like(many(8091, '/', 10), qr/$port2: 10/, 'failures'); like(many(8092, '/', 10), qr/$port2: 10/, 'failures two'); ############################################################################### sub get { my ($port, $uri, %opts) = @_; my $s = IO::Socket::INET->new( Proto => 'tcp', PeerAddr => '127.0.0.1', PeerPort => port($port), ) or die "Can't connect to nginx: $!\n"; http_get($uri, socket => $s, %opts); } sub many { my ($port, $uri, $count, %opts) = @_; my %ports; for (1 .. $count) { if (get($port, $uri) =~ /X-Port: (\d+)/) { $ports{$1} = 0 unless defined $ports{$1}; $ports{$1}++; } select undef, undef, undef, $opts{delay} if $opts{delay}; } my @keys = map { my $p = $_; grep { $p == $_ } keys %ports } @ports; return join ', ', map { $_ . ": " . $ports{$_} } @keys; } sub parallel { my ($port, $uri, $n) = @_; my %ports; my @s = map { get($port, $uri, start => 1, sleep => 0.1) } (1 .. $n); for (@s) { my $r = http_end($_); if ($r && $r =~ /X-Port: (\d+)/) { $ports{$1} = 0 unless defined $ports{$1}; $ports{$1}++; } } my @keys = map { my $p = $_; grep { $p == $_ } keys %ports } @ports; return join ', ', map { $_ . ": " . $ports{$_} } @keys; } ############################################################################### sub http_daemon { my ($port) = @_; my $server = IO::Socket::INET->new( Proto => 'tcp', LocalHost => '127.0.0.1', LocalPort => $port, Listen => 5, Reuse => 1 ) or die "Can't create listening socket: $!\n"; local $SIG{PIPE} = 'IGNORE'; while (my $client = $server->accept()) { $client->autoflush(1); my $headers = ''; my $uri = ''; while (<$client>) { $headers .= $_; last if (/^\x0d?\x0a?$/); } $uri = $1 if $headers =~ /^\S+\s+([^ ]+)\s+HTTP/i; if ($uri eq '/w') { Test::Nginx::log_core('||', "$port: sleep(2.5)"); select undef, undef, undef, 2.5; } if ($uri eq '/close' && $port == port(8081)) { next; } Test::Nginx::log_core('||', "$port: response, 200"); print $client <<EOF; HTTP/1.1 200 OK Connection: close X-Port: $port OK EOF close $client; } } ###############################################################################