| #!/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; |
| } |
| |
| ############################################################################### |