Mercurial > hg > nginx-tests
view stream_realip.t @ 1983:c7315caf2110
Tests: optimized processing of large QUIC packets with padding.
Path MTU discovery packets might contain a lot of padding, and creating
a copy of the whole buffer for each PADDING frame, which is just one
byte with type 0, consumes lots of resources. This was seen to result
in flapping of at least h3_keepalive.t and h3_ssl_early_data.t tests.
Fix is to copy at most 8 bytes for parse_int() calls when parsing
frame types.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Mon, 03 Jun 2024 04:17:28 +0300 |
parents | f3ba4c74de31 |
children |
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#!/usr/bin/perl # (C) Sergey Kandaurov # (C) Nginx, Inc. # Tests for stream realip module, server side proxy protocol. ############################################################################### use warnings; use strict; use Test::More; use IO::Select; use Socket qw/ $CRLF /; BEGIN { use FindBin; chdir($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_return stream_realip/) ->write_file_expand('nginx.conf', <<'EOF'); %%TEST_GLOBALS%% daemon off; events { } stream { %%TEST_GLOBALS_STREAM%% server { listen 127.0.0.1:8083 proxy_protocol; listen 127.0.0.1:8084; return $proxy_protocol_addr:$proxy_protocol_port; } server { listen 127.0.0.1:8085 proxy_protocol; proxy_pass 127.0.0.1:8081; } server { listen 127.0.0.1:8086 proxy_protocol; listen [::1]:%%PORT_8086%% proxy_protocol; return "$remote_addr:$remote_port: $realip_remote_addr:$realip_remote_port"; set_real_ip_from ::1; set_real_ip_from 127.0.0.2; } server { listen 127.0.0.1:8087; proxy_pass [::1]:%%PORT_8086%%; } server { listen 127.0.0.1:8088 proxy_protocol; listen [::1]:%%PORT_8088%% proxy_protocol; return "$remote_addr:$remote_port: $realip_remote_addr:$realip_remote_port"; set_real_ip_from 127.0.0.1; set_real_ip_from ::2; } server { listen 127.0.0.1:8089; proxy_pass [::1]:%%PORT_8088%%; } } EOF $t->run_daemon(\&stream_daemon); $t->try_run('no inet6 support')->plan(8); $t->waitforsocket('127.0.0.1:' . port(8081)); ############################################################################### is(pp_get(8083, "PROXY TCP4 192.0.2.1 192.0.2.2 1234 5678${CRLF}"), '192.0.2.1:1234', 'server'); is(stream('127.0.0.1:' . port(8084))->read(), ':', 'server off'); is(pp_get(8085, "PROXY TCP4 192.0.2.1 192.0.2.2 1234 5678${CRLF}close"), 'close', 'server payload'); like(pp_get(8086, "PROXY TCP4 192.0.2.1 192.0.2.2 1234 5678${CRLF}"), qr/^(\Q127.0.0.1:\E\d+):\s+\1$/, 'server ipv6 realip - no match'); like(pp_get(8087, "PROXY TCP4 192.0.2.1 192.0.2.2 1234 5678${CRLF}"), qr/\Q192.0.2.1:1234:\E\s+\Q::1:\E\d+/, 'server ipv6 realip'); like(pp_get(8088, "PROXY TCP4 192.0.2.1 192.0.2.2 1234 5678${CRLF}"), qr/\Q192.0.2.1:1234:\E\s+\Q127.0.0.1:\E\d+/, 'server ipv4 realip'); like(pp_get(8089, "PROXY TCP4 192.0.2.1 192.0.2.2 1234 5678${CRLF}"), qr/^(::1:\d+):\s+\1$/, 'server ipv4 realip - no match'); like(pp_get(8088, "PROXY UNKNOWN TCP4 192.0.2.1 192.0.2.2 1234 5678${CRLF}"), qr/^(\Q127.0.0.1:\E\d+):\s+\1$/, 'server unknown'); ############################################################################### sub pp_get { my ($port, $proxy) = @_; stream(PeerPort => port($port))->io($proxy); } ############################################################################### sub stream_daemon { my $server = IO::Socket::INET->new( Proto => 'tcp', LocalAddr => '127.0.0.1:' . port(8081), Listen => 5, Reuse => 1 ) or die "Can't create listening socket: $!\n"; my $sel = IO::Select->new($server); local $SIG{PIPE} = 'IGNORE'; while (my @ready = $sel->can_read) { foreach my $fh (@ready) { if ($server == $fh) { my $new = $fh->accept; $new->autoflush(1); $sel->add($new); } elsif (stream_handle_client($fh)) { $sel->remove($fh); $fh->close; } } } } sub stream_handle_client { my ($client) = @_; log2c("(new connection $client)"); $client->sysread(my $buffer, 65536) or return 1; log2i("$client $buffer"); log2o("$client $buffer"); $client->syswrite($buffer); return $buffer =~ /close/; } sub log2i { Test::Nginx::log_core('|| <<', @_); } sub log2o { Test::Nginx::log_core('|| >>', @_); } sub log2c { Test::Nginx::log_core('||', @_); } ###############################################################################