Mercurial > hg > nginx-tests
view stream_resolver.t @ 1619:436d0ffc2ea3
Tests: correctly shutdown ssl for reproducible session reuse tests.
Previously, session reuse tests in stream_ssl_certificate.t were prone
to testing errors, since the client doesn't write any application data
before closing a connection, which is done so to pass tests on win32.
In this case, the server may happened to get an unexpected eof meaning
that it will abandon that session. This is specific to stream testing
pattern, changes to ssl_certificate.t are applied too for consistency.
This is also specific to SSL_R_UNEXPECTED_EOF_WHILE_READING, which is
implemented in OpenSSL 3.0.0.
author | Sergey Kandaurov <pluknet@nginx.com> |
---|---|
date | Mon, 23 Nov 2020 22:46:06 +0000 |
parents | f3ba4c74de31 |
children |
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#!/usr/bin/perl # (C) Sergey Kandaurov # (C) Nginx, Inc. # Tests for stream upstream name resolved, proxy_next_upstream_tries. ############################################################################### 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_return/) ->write_file_expand('nginx.conf', <<'EOF'); %%TEST_GLOBALS%% daemon off; events { } stream { %%TEST_GLOBALS_STREAM%% map $server_port $upstream { %%PORT_8081%% a.example.com:%%PORT_8090%%; %%PORT_8082%% a.example.com; %%PORT_8083%% nx.example.com:%%PORT_8082%%; } map $server_port $many { default $server_port.many.example.com; } resolver 127.0.0.1:%%PORT_8980_UDP%%; server { listen 127.0.0.1:8081; listen 127.0.0.1:8082; listen 127.0.0.1:8083; proxy_pass $upstream; } server { listen 127.0.0.1:8084; proxy_pass $many:%%PORT_8090%%; proxy_next_upstream_tries 3; proxy_connect_timeout 1s; } server { listen 127.0.0.1:8085; proxy_pass $many:%%PORT_8090%%; proxy_next_upstream_tries 2; proxy_connect_timeout 1s; } server { listen 127.0.0.1:8086; proxy_pass $many:%%PORT_8090%%; proxy_next_upstream_tries 0; proxy_connect_timeout 1s; } server { listen 127.0.0.1:8090; return SEE-THIS; } } EOF $t->run_daemon(\&dns_daemon, port(8980), $t); $t->run()->plan(8); $t->waitforfile($t->testdir . '/' . port(8980)); ############################################################################### ok(stream('127.0.0.1:' . port(8081))->read(), 'resolver'); ok(!stream('127.0.0.1:' . port(8082))->read(), 'upstream no port'); ok(!stream('127.0.0.1:' . port(8083))->read(), 'name not found'); ok(stream('127.0.0.1:' . port(8084))->read(), 'resolved tries'); ok(!stream('127.0.0.1:' . port(8085))->read(), 'resolved tries limited'); ok(stream('127.0.0.1:' . port(8086))->read(), 'resolved tries zero'); $t->stop(); SKIP: { skip "relies on error log contents", 2 unless $ENV{TEST_NGINX_UNSAFE}; my $log = `grep -F '[error]' ${\($t->testdir())}/error.log`; like($log, qr/no port in upstream "a.example.com"/, 'log - no port'); like($log, qr/nx.example.com could not be resolved/, 'log - not found'); } ############################################################################### sub reply_handler { my ($recv_data, $port) = @_; my (@name, @rdata); use constant NOERROR => 0; use constant A => 1; use constant IN => 1; # default values my ($hdr, $rcode, $ttl) = (0x8180, NOERROR, 3600); # decode name my ($len, $offset) = (undef, 12); while (1) { $len = unpack("\@$offset C", $recv_data); last if $len == 0; $offset++; push @name, unpack("\@$offset A$len", $recv_data); $offset += $len; } $offset -= 1; my ($id, $type, $class) = unpack("n x$offset n2", $recv_data); my $name = join('.', @name); if ($name eq 'a.example.com' && $type == A) { push @rdata, rd_addr($ttl, '127.0.0.1'); } elsif ($name =~ qr/many.example.com/ && $type == A) { push @rdata, rd_addr($ttl, '127.0.0.2'); push @rdata, rd_addr($ttl, '127.0.0.2'); push @rdata, rd_addr($ttl, '127.0.0.1'); } $len = @name; pack("n6 (C/a*)$len x n2", $id, $hdr | $rcode, 1, scalar @rdata, 0, 0, @name, $type, $class) . join('', @rdata); } sub rd_addr { my ($ttl, $addr) = @_; my $code = 'split(/\./, $addr)'; return pack 'n3N', 0xc00c, A, IN, $ttl if $addr eq ''; pack 'n3N nC4', 0xc00c, A, IN, $ttl, eval "scalar $code", eval($code); } sub dns_daemon { my ($port, $t) = @_; my ($data, $recv_data); my $socket = IO::Socket::INET->new( LocalAddr => '127.0.0.1', LocalPort => $port, Proto => 'udp', ) or die "Can't create listening socket: $!\n"; local $SIG{PIPE} = 'IGNORE'; # signal we are ready open my $fh, '>', $t->testdir() . '/' . $port; close $fh; while (1) { $socket->recv($recv_data, 65536); $data = reply_handler($recv_data, $port); $socket->send($data); } } ###############################################################################