view js_fetch_verify.t @ 1825:3629eda94c1b

Tests: handling of EWOULDBLOCK from sysread() with IO::Socket::SSL. With IO::Socket::SSL, when select() reports that the socket is readable, reading from it might still fail with EWOULDBLOCK, since no application data is available in the socket. In particular, this might happen with TLSv1.3 when a session ticket is received after the handshake. Fix is to explicitly check for EWOULDBLOCK errors.
author Maxim Dounin <mdounin@mdounin.ru>
date Tue, 21 Mar 2023 02:57:39 +0300
parents ae8e68cb2231
children
line wrap: on
line source

#!/usr/bin/perl

# (C) Sergey Kandaurov
# (C) Nginx, Inc.

# Tests for http njs module, fetch method, backend certificate verification.

###############################################################################

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 http_ssl/)
	->write_file_expand('nginx.conf', <<'EOF');

%%TEST_GLOBALS%%

daemon off;

events {
}

http {
    %%TEST_GLOBALS_HTTP%%

    js_import test.js;

    server {
        listen       127.0.0.1:8080;
        server_name  localhost;

        resolver   127.0.0.1:%%PORT_8981_UDP%%;
        resolver_timeout 1s;

        location /njs {
            js_content test.njs;
        }

        location /https {
            js_content test.https;
        }

        location /https.verify_off {
            js_content test.https;
            js_fetch_verify off;
        }
    }

    server {
        listen       127.0.0.1:8081 ssl;
        server_name  localhost;

        ssl_certificate localhost.crt;
        ssl_certificate_key localhost.key;
    }
}

EOF

my $p1 = port(8081);

$t->write_file('test.js', <<EOF);
    function test_njs(r) {
        r.return(200, njs.version);
    }

    function https(r) {
        ngx.fetch(`https://example.com:$p1/loc`)
        .then(reply => reply.text())
        .then(body => r.return(200, body))
        .catch(e => r.return(501, e.message));
    }

    export default {njs: test_njs, https};
EOF

$t->write_file('openssl.conf', <<EOF);
[ req ]
default_bits = 2048
encrypt_key = no
distinguished_name = req_distinguished_name
[ req_distinguished_name ]
EOF

my $d = $t->testdir();

foreach my $name ('localhost') {
	system('openssl req -x509 -new '
		. "-config $d/openssl.conf -subj /CN=$name/ "
		. "-out $d/$name.crt -keyout $d/$name.key "
		. ">>$d/openssl.out 2>&1") == 0
		or die "Can't create certificate for $name: $!\n";
}

$t->try_run('no js_fetch_verify')->plan(2);

$t->run_daemon(\&dns_daemon, port(8981), $t);
$t->waitforfile($t->testdir . '/' . port(8981));

###############################################################################

like(http_get('/https'), qr/connect failed/, 'fetch verify error');
like(http_get('/https.verify_off'), qr/200 OK/, 'fetch verify off');

###############################################################################

sub reply_handler {
	my ($recv_data, $port, %extra) = @_;

	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 ($type == A) {
		push @rdata, rd_addr($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);
	}
}

###############################################################################