blob: 4e010cce54fde23599920cf5e6624b00b603e32c [file] [log] [blame]
#!/usr/bin/perl
# (C) Sergey Kandaurov
# (C) Nginx, Inc.
# Tests for http ssl module, ssl_verify_depth.
###############################################################################
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;
eval { require IO::Socket::SSL; };
plan(skip_all => 'IO::Socket::SSL not installed') if $@;
eval { IO::Socket::SSL::SSL_VERIFY_NONE(); };
plan(skip_all => 'IO::Socket::SSL too old') if $@;
my $t = Test::Nginx->new()->has(qw/http http_ssl/)->has_daemon('openssl');
plan(skip_all => 'LibreSSL') if $t->has_module('LibreSSL');
$t->plan(9)->write_file_expand('nginx.conf', <<'EOF');
%%TEST_GLOBALS%%
daemon off;
events {
}
http {
%%TEST_GLOBALS_HTTP%%
ssl_certificate localhost.crt;
ssl_certificate_key localhost.key;
ssl_verify_client on;
ssl_client_certificate root-int.crt;
add_header X-Client $ssl_client_s_dn always;
add_header X-Verify $ssl_client_verify always;
server {
listen 127.0.0.1:8080 ssl;
server_name localhost;
ssl_verify_depth 0;
}
server {
listen 127.0.0.1:8081 ssl;
server_name localhost;
ssl_verify_depth 1;
}
server {
listen 127.0.0.1:8082 ssl;
server_name localhost;
ssl_verify_depth 2;
}
}
EOF
my $d = $t->testdir();
$t->write_file('openssl.conf', <<EOF);
[ req ]
default_bits = 2048
encrypt_key = no
distinguished_name = req_distinguished_name
[ req_distinguished_name ]
EOF
$t->write_file('ca.conf', <<EOF);
[ ca ]
default_ca = myca
[ myca ]
new_certs_dir = $d
database = $d/certindex
default_md = sha256
policy = myca_policy
serial = $d/certserial
default_days = 1
x509_extensions = myca_extensions
[ myca_policy ]
commonName = supplied
[ myca_extensions ]
basicConstraints = critical,CA:TRUE
EOF
foreach my $name ('root', '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";
}
foreach my $name ('int', 'end') {
system("openssl req -new "
. "-config $d/openssl.conf -subj /CN=$name/ "
. "-out $d/$name.csr -keyout $d/$name.key "
. ">>$d/openssl.out 2>&1") == 0
or die "Can't create certificate for $name: $!\n";
}
$t->write_file('certserial', '1000');
$t->write_file('certindex', '');
system("openssl ca -batch -config $d/ca.conf "
. "-keyfile $d/root.key -cert $d/root.crt "
. "-subj /CN=int/ -in $d/int.csr -out $d/int.crt "
. ">>$d/openssl.out 2>&1") == 0
or die "Can't sign certificate for int: $!\n";
system("openssl ca -batch -config $d/ca.conf "
. "-keyfile $d/int.key -cert $d/int.crt "
. "-subj /CN=end/ -in $d/end.csr -out $d/end.crt "
. ">>$d/openssl.out 2>&1") == 0
or die "Can't sign certificate for end: $!\n";
$t->write_file('root-int.crt', $t->read_file('root.crt')
. $t->read_file('int.crt'));
$t->write_file('t', '');
$t->run();
###############################################################################
# with verify depth 0, only self-signed certificates should
# be allowed
# OpenSSL 1.1.0+ instead limits the number of intermediate certs allowed;
# as a result, it is not possible to limit certificate checking
# to self-signed certificates only when using OpenSSL 1.1.0+
like(get(8080, 'root'), qr/SUCCESS/, 'verify depth 0 - root');
like(get(8080, 'int'), qr/FAI|SUC/, 'verify depth 0 - no int');
like(get(8080, 'end'), qr/FAILED/, 'verify depth 0 - no end');
# with verify depth 1 (the default), one signature is
# expected to be checked, so certificates directly signed
# by the root cert are allowed, but nothing more
# OpenSSL 1.1.0+ instead limits the number of intermediate certs allowed;
# so with depth 1 it is possible to validate not only directly signed
# certificates, but also chains with one intermediate certificate
like(get(8081, 'root'), qr/SUCCESS/, 'verify depth 1 - root');
like(get(8081, 'int'), qr/SUCCESS/, 'verify depth 1 - int');
like(get(8081, 'end'), qr/FAI|SUC/, 'verify depth 1 - no end');
# with verify depth 2 it is also possible to validate up to two signatures,
# so chains with one intermediate certificate are allowed
like(get(8082, 'root'), qr/SUCCESS/, 'verify depth 2 - root');
like(get(8082, 'int'), qr/SUCCESS/, 'verify depth 2 - int');
like(get(8082, 'end'), qr/SUCCESS/, 'verify depth 2 - end');
###############################################################################
sub get {
my ($port, $cert) = @_;
my $s = get_ssl_socket($port, $cert) or return;
http_get("/t?$cert", socket => $s);
}
sub get_ssl_socket {
my ($port, $cert) = @_;
my ($s);
eval {
local $SIG{ALRM} = sub { die "timeout\n" };
local $SIG{PIPE} = sub { die "sigpipe\n" };
alarm(8);
$s = IO::Socket::SSL->new(
Proto => 'tcp',
PeerAddr => '127.0.0.1',
PeerPort => port($port),
SSL_verify_mode => IO::Socket::SSL::SSL_VERIFY_NONE(),
SSL_cert_file => "$d/$cert.crt",
SSL_key_file => "$d/$cert.key",
SSL_error_trap => sub { die $_[1] }
);
alarm(0);
};
alarm(0);
if ($@) {
log_in("died: $@");
return undef;
}
return $s;
}
###############################################################################