Mercurial > hg > nginx-tests
view http_resolver_ipv4.t @ 1982:fb25cbe9d4ec
Tests: explicit Valgrind support.
Valgrind logging is done to a separate file, as it is not able to
follow stderr redirection within nginx or append to a file without
corrupting it. Further, Valgrind logging seems to interfere with
error suppression in tests, and catches various startup errors and
warnings, so the log is additionally filtered.
Since startup under Valgrind can be really slow, timeout in waitforfile()
was changed to 10 seconds.
Prodded by Robert Mueller.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Fri, 31 May 2024 06:23:00 +0300 |
parents | c287864444f8 |
children |
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#!/usr/bin/perl # (C) Sergey Kandaurov # (C) Eugene Grebenschikov # (C) Nginx, Inc. # Tests for http resolver with ipv4/ipv6 parameters. ############################################################################### use warnings; use strict; use Test::More; BEGIN { use FindBin; chdir($FindBin::Bin); } use lib 'lib'; use Test::Nginx; ############################################################################### select STDERR; $| = 1; select STDOUT; $| = 1; my $t = Test::Nginx->new()->has(qw/http proxy/); $t->write_file_expand('nginx.conf', <<'EOF'); %%TEST_GLOBALS%% daemon off; events { } http { %%TEST_GLOBALS_HTTP%% server { listen 127.0.0.1:8080; server_name localhost; add_header X-Addr $upstream_addr always; proxy_next_upstream http_403; location / { proxy_pass http://$arg_h:%%PORT_8081%%/; resolver 127.0.0.1:%%PORT_8980_UDP%% ipv4=on ipv6=on; } location /ipv4 { proxy_pass http://$arg_h:%%PORT_8081%%/; resolver 127.0.0.1:%%PORT_8980_UDP%% ipv4=on ipv6=off; } location /ipv6 { proxy_pass http://$arg_h:%%PORT_8081%%/; resolver 127.0.0.1:%%PORT_8980_UDP%% ipv4=off ipv6=on; } } server { listen 127.0.0.1:8081; listen [::1]:%%PORT_8081%%; server_name localhost; location / { # return 403; } } } EOF $t->try_run('no resolver ipv4')->plan(3); $t->run_daemon(\&dns_daemon, port(8980), $t); $t->waitforfile($t->testdir . '/' . port(8980)); ############################################################################### my $p1 = port(8081); is(get('/'), "127.0.0.1:$p1, [::1]:$p1", 'ipv4 ipv6'); is(get('/ipv4'), "127.0.0.1:$p1", 'ipv4 only'); is(get('/ipv6'), "[::1]:$p1", 'ipv6 only'); ############################################################################### sub get { my ($uri) = @_; my $r = http_get("$uri?h=example.com"); my ($addr) = $r =~ /X-Addr: (.+)\x0d/m; return $addr; } ############################################################################### sub reply_handler { my ($recv_data, $port) = @_; my (@name, @rdata); use constant NOERROR => 0; use constant A => 1; use constant AAAA => 28; use constant IN => 1; # default values my ($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 'example.com') { if ($type == A) { push @rdata, rd_addr($ttl, '127.0.0.1'); } if ($type == AAAA) { push @rdata, rd_addr6($ttl, "::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)'; pack 'n3N nC4', 0xc00c, A, IN, $ttl, eval "scalar $code", eval($code); } sub expand_ip6 { my ($addr) = @_; substr ($addr, index($addr, "::"), 2) = join "0", map { ":" } (0 .. 8 - (split /:/, $addr) + 1); map { hex "0" x (4 - length $_) . "$_" } split /:/, $addr; } sub rd_addr6 { my ($ttl, $addr) = @_; pack 'n3N nn8', 0xc00c, AAAA, IN, $ttl, 16, expand_ip6($addr); } 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"; # 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); } } ###############################################################################