diff options
Diffstat (limited to 'src/test/ssl/t/001_ssltests.pl')
-rw-r--r-- | src/test/ssl/t/001_ssltests.pl | 748 |
1 files changed, 748 insertions, 0 deletions
diff --git a/src/test/ssl/t/001_ssltests.pl b/src/test/ssl/t/001_ssltests.pl new file mode 100644 index 0000000..707f400 --- /dev/null +++ b/src/test/ssl/t/001_ssltests.pl @@ -0,0 +1,748 @@ + +# Copyright (c) 2021-2022, PostgreSQL Global Development Group + +use strict; +use warnings; +use Config qw ( %Config ); +use PostgreSQL::Test::Cluster; +use PostgreSQL::Test::Utils; +use Test::More; + +use FindBin; +use lib $FindBin::RealBin; + +use SSL::Server; + +if ($ENV{with_ssl} ne 'openssl') +{ + plan skip_all => 'OpenSSL not supported by this build'; +} + +my $ssl_server = SSL::Server->new(); + +sub sslkey +{ + return $ssl_server->sslkey(@_); +} + +sub switch_server_cert +{ + $ssl_server->switch_server_cert(@_); +} +#### Some configuration + +# This is the hostname used to connect to the server. This cannot be a +# hostname, because the server certificate is always for the domain +# postgresql-ssl-regression.test. +my $SERVERHOSTADDR = '127.0.0.1'; +# This is the pattern to use in pg_hba.conf to match incoming connections. +my $SERVERHOSTCIDR = '127.0.0.1/32'; + +# Allocation of base connection string shared among multiple tests. +my $common_connstr; + +#### Set up the server. + +note "setting up data directory"; +my $node = PostgreSQL::Test::Cluster->new('primary'); +$node->init; + +# PGHOST is enforced here to set up the node, subsequent connections +# will use a dedicated connection string. +$ENV{PGHOST} = $node->host; +$ENV{PGPORT} = $node->port; +$node->start; + +# Run this before we lock down access below. +my $result = $node->safe_psql('postgres', "SHOW ssl_library"); +is($result, $ssl_server->ssl_library(), 'ssl_library parameter'); + +$ssl_server->configure_test_server_for_ssl($node, $SERVERHOSTADDR, + $SERVERHOSTCIDR, 'trust'); + +note "testing password-protected keys"; + +switch_server_cert( + $node, + certfile => 'server-cn-only', + cafile => 'root+client_ca', + keyfile => 'server-password', + passphrase_cmd => 'echo wrongpassword', + restart => 'no'); + +command_fails( + [ 'pg_ctl', '-D', $node->data_dir, '-l', $node->logfile, 'restart' ], + 'restart fails with password-protected key file with wrong password'); +$node->_update_pid(0); + +switch_server_cert( + $node, + certfile => 'server-cn-only', + cafile => 'root+client_ca', + keyfile => 'server-password', + passphrase_cmd => 'echo secret1', + restart => 'no'); + +command_ok( + [ 'pg_ctl', '-D', $node->data_dir, '-l', $node->logfile, 'restart' ], + 'restart succeeds with password-protected key file'); +$node->_update_pid(1); + +# Test compatibility of SSL protocols. +# TLSv1.1 is lower than TLSv1.2, so it won't work. +$node->append_conf( + 'postgresql.conf', + qq{ssl_min_protocol_version='TLSv1.2' +ssl_max_protocol_version='TLSv1.1'}); +command_fails( + [ 'pg_ctl', '-D', $node->data_dir, '-l', $node->logfile, 'restart' ], + 'restart fails with incorrect SSL protocol bounds'); +# Go back to the defaults, this works. +$node->append_conf( + 'postgresql.conf', + qq{ssl_min_protocol_version='TLSv1.2' +ssl_max_protocol_version=''}); +command_ok( + [ 'pg_ctl', '-D', $node->data_dir, '-l', $node->logfile, 'restart' ], + 'restart succeeds with correct SSL protocol bounds'); + +### Run client-side tests. +### +### Test that libpq accepts/rejects the connection correctly, depending +### on sslmode and whether the server's certificate looks correct. No +### client certificate is used in these tests. + +note "running client tests"; + +switch_server_cert($node, certfile => 'server-cn-only'); + +# Set of default settings for SSL parameters in connection string. This +# makes the tests protected against any defaults the environment may have +# in ~/.postgresql/. +my $default_ssl_connstr = + "sslkey=invalid sslcert=invalid sslrootcert=invalid sslcrl=invalid sslcrldir=invalid"; + +$common_connstr = + "$default_ssl_connstr user=ssltestuser dbname=trustdb hostaddr=$SERVERHOSTADDR host=common-name.pg-ssltest.test"; + +# The server should not accept non-SSL connections. +$node->connect_fails( + "$common_connstr sslmode=disable", + "server doesn't accept non-SSL connections", + expected_stderr => qr/\Qno pg_hba.conf entry\E/); + +# Try without a root cert. In sslmode=require, this should work. In verify-ca +# or verify-full mode it should fail. +$node->connect_ok( + "$common_connstr sslrootcert=invalid sslmode=require", + "connect without server root cert sslmode=require"); +$node->connect_fails( + "$common_connstr sslrootcert=invalid sslmode=verify-ca", + "connect without server root cert sslmode=verify-ca", + expected_stderr => qr/root certificate file "invalid" does not exist/); +$node->connect_fails( + "$common_connstr sslrootcert=invalid sslmode=verify-full", + "connect without server root cert sslmode=verify-full", + expected_stderr => qr/root certificate file "invalid" does not exist/); + +# Try with wrong root cert, should fail. (We're using the client CA as the +# root, but the server's key is signed by the server CA.) +$node->connect_fails( + "$common_connstr sslrootcert=ssl/client_ca.crt sslmode=require", + "connect with wrong server root cert sslmode=require", + expected_stderr => qr/SSL error: certificate verify failed/); +$node->connect_fails( + "$common_connstr sslrootcert=ssl/client_ca.crt sslmode=verify-ca", + "connect with wrong server root cert sslmode=verify-ca", + expected_stderr => qr/SSL error: certificate verify failed/); +$node->connect_fails( + "$common_connstr sslrootcert=ssl/client_ca.crt sslmode=verify-full", + "connect with wrong server root cert sslmode=verify-full", + expected_stderr => qr/SSL error: certificate verify failed/); + +# Try with just the server CA's cert. This fails because the root file +# must contain the whole chain up to the root CA. +$node->connect_fails( + "$common_connstr sslrootcert=ssl/server_ca.crt sslmode=verify-ca", + "connect with server CA cert, without root CA", + expected_stderr => qr/SSL error: certificate verify failed/); + +# And finally, with the correct root cert. +$node->connect_ok( + "$common_connstr sslrootcert=ssl/root+server_ca.crt sslmode=require", + "connect with correct server CA cert file sslmode=require"); +$node->connect_ok( + "$common_connstr sslrootcert=ssl/root+server_ca.crt sslmode=verify-ca", + "connect with correct server CA cert file sslmode=verify-ca"); +$node->connect_ok( + "$common_connstr sslrootcert=ssl/root+server_ca.crt sslmode=verify-full", + "connect with correct server CA cert file sslmode=verify-full"); + +# Test with cert root file that contains two certificates. The client should +# be able to pick the right one, regardless of the order in the file. +$node->connect_ok( + "$common_connstr sslrootcert=ssl/both-cas-1.crt sslmode=verify-ca", + "cert root file that contains two certificates, order 1"); +$node->connect_ok( + "$common_connstr sslrootcert=ssl/both-cas-2.crt sslmode=verify-ca", + "cert root file that contains two certificates, order 2"); + +# CRL tests + +# Invalid CRL filename is the same as no CRL, succeeds +$node->connect_ok( + "$common_connstr sslrootcert=ssl/root+server_ca.crt sslmode=verify-ca sslcrl=invalid", + "sslcrl option with invalid file name"); + +# A CRL belonging to a different CA is not accepted, fails +$node->connect_fails( + "$common_connstr sslrootcert=ssl/root+server_ca.crt sslmode=verify-ca sslcrl=ssl/client.crl", + "CRL belonging to a different CA", + expected_stderr => qr/SSL error: certificate verify failed/); + +# The same for CRL directory. sslcrl='' is added here to override the +# invalid default, so as this does not interfere with this case. +$node->connect_fails( + "$common_connstr sslcrl='' sslrootcert=ssl/root+server_ca.crt sslmode=verify-ca sslcrldir=ssl/client-crldir", + "directory CRL belonging to a different CA", + expected_stderr => qr/SSL error: certificate verify failed/); + +# With the correct CRL, succeeds (this cert is not revoked) +$node->connect_ok( + "$common_connstr sslrootcert=ssl/root+server_ca.crt sslmode=verify-ca sslcrl=ssl/root+server.crl", + "CRL with a non-revoked cert"); + +# The same for CRL directory +$node->connect_ok( + "$common_connstr sslrootcert=ssl/root+server_ca.crt sslmode=verify-ca sslcrldir=ssl/root+server-crldir", + "directory CRL with a non-revoked cert"); + +# Check that connecting with verify-full fails, when the hostname doesn't +# match the hostname in the server's certificate. +$common_connstr = + "$default_ssl_connstr user=ssltestuser dbname=trustdb sslrootcert=ssl/root+server_ca.crt hostaddr=$SERVERHOSTADDR"; + +$node->connect_ok("$common_connstr sslmode=require host=wronghost.test", + "mismatch between host name and server certificate sslmode=require"); +$node->connect_ok( + "$common_connstr sslmode=verify-ca host=wronghost.test", + "mismatch between host name and server certificate sslmode=verify-ca"); +$node->connect_fails( + "$common_connstr sslmode=verify-full host=wronghost.test", + "mismatch between host name and server certificate sslmode=verify-full", + expected_stderr => + qr/\Qserver certificate for "common-name.pg-ssltest.test" does not match host name "wronghost.test"\E/ +); + +# Test with an IP address in the Common Name. This is a strange corner case that +# nevertheless is supported, as long as the address string matches exactly. +switch_server_cert($node, certfile => 'server-ip-cn-only'); + +$common_connstr = + "$default_ssl_connstr user=ssltestuser dbname=trustdb sslrootcert=ssl/root+server_ca.crt hostaddr=$SERVERHOSTADDR sslmode=verify-full"; + +$node->connect_ok("$common_connstr host=192.0.2.1", + "IP address in the Common Name"); + +$node->connect_fails( + "$common_connstr host=192.000.002.001", + "mismatch between host name and server certificate IP address", + expected_stderr => + qr/\Qserver certificate for "192.0.2.1" does not match host name "192.000.002.001"\E/ +); + +# Similarly, we'll also match an IP address in a dNSName SAN. (This is +# long-standing behavior.) +switch_server_cert($node, certfile => 'server-ip-in-dnsname'); + +$node->connect_ok("$common_connstr host=192.0.2.1", + "IP address in a dNSName"); + +# Test Subject Alternative Names. +switch_server_cert($node, certfile => 'server-multiple-alt-names'); + +$common_connstr = + "$default_ssl_connstr user=ssltestuser dbname=trustdb sslrootcert=ssl/root+server_ca.crt hostaddr=$SERVERHOSTADDR sslmode=verify-full"; + +$node->connect_ok( + "$common_connstr host=dns1.alt-name.pg-ssltest.test", + "host name matching with X.509 Subject Alternative Names 1"); +$node->connect_ok( + "$common_connstr host=dns2.alt-name.pg-ssltest.test", + "host name matching with X.509 Subject Alternative Names 2"); +$node->connect_ok("$common_connstr host=foo.wildcard.pg-ssltest.test", + "host name matching with X.509 Subject Alternative Names wildcard"); + +$node->connect_fails( + "$common_connstr host=wronghost.alt-name.pg-ssltest.test", + "host name not matching with X.509 Subject Alternative Names", + expected_stderr => + qr/\Qserver certificate for "dns1.alt-name.pg-ssltest.test" (and 2 other names) does not match host name "wronghost.alt-name.pg-ssltest.test"\E/ +); +$node->connect_fails( + "$common_connstr host=deep.subdomain.wildcard.pg-ssltest.test", + "host name not matching with X.509 Subject Alternative Names wildcard", + expected_stderr => + qr/\Qserver certificate for "dns1.alt-name.pg-ssltest.test" (and 2 other names) does not match host name "deep.subdomain.wildcard.pg-ssltest.test"\E/ +); + +# Test certificate with a single Subject Alternative Name. (this gives a +# slightly different error message, that's all) +switch_server_cert($node, certfile => 'server-single-alt-name'); + +$common_connstr = + "$default_ssl_connstr user=ssltestuser dbname=trustdb sslrootcert=ssl/root+server_ca.crt hostaddr=$SERVERHOSTADDR sslmode=verify-full"; + +$node->connect_ok( + "$common_connstr host=single.alt-name.pg-ssltest.test", + "host name matching with a single X.509 Subject Alternative Name"); + +$node->connect_fails( + "$common_connstr host=wronghost.alt-name.pg-ssltest.test", + "host name not matching with a single X.509 Subject Alternative Name", + expected_stderr => + qr/\Qserver certificate for "single.alt-name.pg-ssltest.test" does not match host name "wronghost.alt-name.pg-ssltest.test"\E/ +); +$node->connect_fails( + "$common_connstr host=deep.subdomain.wildcard.pg-ssltest.test", + "host name not matching with a single X.509 Subject Alternative Name wildcard", + expected_stderr => + qr/\Qserver certificate for "single.alt-name.pg-ssltest.test" does not match host name "deep.subdomain.wildcard.pg-ssltest.test"\E/ +); + +SKIP: +{ + skip 'IPv6 addresses in certificates not support on this platform', 1 + unless check_pg_config('#define HAVE_INET_PTON 1'); + + # Test certificate with IP addresses in the SANs. + switch_server_cert($node, certfile => 'server-ip-alt-names'); + + $node->connect_ok("$common_connstr host=192.0.2.1", + "host matching an IPv4 address (Subject Alternative Name 1)"); + + $node->connect_ok( + "$common_connstr host=192.000.002.001", + "host matching an IPv4 address in alternate form (Subject Alternative Name 1)" + ); + + $node->connect_fails( + "$common_connstr host=192.0.2.2", + "host not matching an IPv4 address (Subject Alternative Name 1)", + expected_stderr => + qr/\Qserver certificate for "192.0.2.1" (and 1 other name) does not match host name "192.0.2.2"\E/ + ); + + $node->connect_ok("$common_connstr host=2001:DB8::1", + "host matching an IPv6 address (Subject Alternative Name 2)"); + + $node->connect_ok( + "$common_connstr host=2001:db8:0:0:0:0:0:1", + "host matching an IPv6 address in alternate form (Subject Alternative Name 2)" + ); + + $node->connect_ok( + "$common_connstr host=2001:db8::0.0.0.1", + "host matching an IPv6 address in mixed form (Subject Alternative Name 2)" + ); + + $node->connect_fails( + "$common_connstr host=::1", + "host not matching an IPv6 address (Subject Alternative Name 2)", + expected_stderr => + qr/\Qserver certificate for "192.0.2.1" (and 1 other name) does not match host name "::1"\E/ + ); + + $node->connect_fails( + "$common_connstr host=2001:DB8::1/128", + "IPv6 host with CIDR mask does not match", + expected_stderr => + qr/\Qserver certificate for "192.0.2.1" (and 1 other name) does not match host name "2001:DB8::1\/128"\E/ + ); +} + +# Test server certificate with a CN and DNS SANs. Per RFCs 2818 and 6125, the CN +# should be ignored when the certificate has both. +switch_server_cert($node, certfile => 'server-cn-and-alt-names'); + +$common_connstr = + "$default_ssl_connstr user=ssltestuser dbname=trustdb sslrootcert=ssl/root+server_ca.crt hostaddr=$SERVERHOSTADDR sslmode=verify-full"; + +$node->connect_ok("$common_connstr host=dns1.alt-name.pg-ssltest.test", + "certificate with both a CN and SANs 1"); +$node->connect_ok("$common_connstr host=dns2.alt-name.pg-ssltest.test", + "certificate with both a CN and SANs 2"); +$node->connect_fails( + "$common_connstr host=common-name.pg-ssltest.test", + "certificate with both a CN and SANs ignores CN", + expected_stderr => + qr/\Qserver certificate for "dns1.alt-name.pg-ssltest.test" (and 1 other name) does not match host name "common-name.pg-ssltest.test"\E/ +); + +SKIP: +{ + skip 'IPv6 addresses in certificates not support on this platform', 1 + unless check_pg_config('#define HAVE_INET_PTON 1'); + + # But we will fall back to check the CN if the SANs contain only IP addresses. + switch_server_cert($node, certfile => 'server-cn-and-ip-alt-names'); + + $node->connect_ok( + "$common_connstr host=common-name.pg-ssltest.test", + "certificate with both a CN and IP SANs matches CN"); + $node->connect_ok("$common_connstr host=192.0.2.1", + "certificate with both a CN and IP SANs matches SAN 1"); + $node->connect_ok("$common_connstr host=2001:db8::1", + "certificate with both a CN and IP SANs matches SAN 2"); + + # And now the same tests, but with IP addresses and DNS names swapped. + switch_server_cert($node, certfile => 'server-ip-cn-and-alt-names'); + + $node->connect_ok("$common_connstr host=192.0.2.2", + "certificate with both an IP CN and IP SANs 1"); + $node->connect_ok("$common_connstr host=2001:db8::1", + "certificate with both an IP CN and IP SANs 2"); + $node->connect_fails( + "$common_connstr host=192.0.2.1", + "certificate with both an IP CN and IP SANs ignores CN", + expected_stderr => + qr/\Qserver certificate for "192.0.2.2" (and 1 other name) does not match host name "192.0.2.1"\E/ + ); +} + +switch_server_cert($node, certfile => 'server-ip-cn-and-dns-alt-names'); + +$node->connect_ok("$common_connstr host=192.0.2.1", + "certificate with both an IP CN and DNS SANs matches CN"); +$node->connect_ok( + "$common_connstr host=dns1.alt-name.pg-ssltest.test", + "certificate with both an IP CN and DNS SANs matches SAN 1"); +$node->connect_ok( + "$common_connstr host=dns2.alt-name.pg-ssltest.test", + "certificate with both an IP CN and DNS SANs matches SAN 2"); + +# Finally, test a server certificate that has no CN or SANs. Of course, that's +# not a very sensible certificate, but libpq should handle it gracefully. +switch_server_cert($node, certfile => 'server-no-names'); +$common_connstr = + "$default_ssl_connstr user=ssltestuser dbname=trustdb sslrootcert=ssl/root+server_ca.crt hostaddr=$SERVERHOSTADDR"; + +$node->connect_ok( + "$common_connstr sslmode=verify-ca host=common-name.pg-ssltest.test", + "server certificate without CN or SANs sslmode=verify-ca"); +$node->connect_fails( + $common_connstr . " " + . "sslmode=verify-full host=common-name.pg-ssltest.test", + "server certificate without CN or SANs sslmode=verify-full", + expected_stderr => + qr/could not get server's host name from server certificate/); + +# Test that the CRL works +switch_server_cert($node, certfile => 'server-revoked'); + +$common_connstr = + "$default_ssl_connstr user=ssltestuser dbname=trustdb hostaddr=$SERVERHOSTADDR host=common-name.pg-ssltest.test"; + +# Without the CRL, succeeds. With it, fails. +$node->connect_ok( + "$common_connstr sslrootcert=ssl/root+server_ca.crt sslmode=verify-ca", + "connects without client-side CRL"); +$node->connect_fails( + "$common_connstr sslrootcert=ssl/root+server_ca.crt sslmode=verify-ca sslcrl=ssl/root+server.crl", + "does not connect with client-side CRL file", + expected_stderr => qr/SSL error: certificate verify failed/); +# sslcrl='' is added here to override the invalid default, so as this +# does not interfere with this case. +$node->connect_fails( + "$common_connstr sslcrl='' sslrootcert=ssl/root+server_ca.crt sslmode=verify-ca sslcrldir=ssl/root+server-crldir", + "does not connect with client-side CRL directory", + expected_stderr => qr/SSL error: certificate verify failed/); + +# pg_stat_ssl +command_like( + [ + 'psql', '-X', + '-A', '-F', + ',', '-P', + 'null=_null_', '-d', + "$common_connstr sslrootcert=invalid", '-c', + "SELECT * FROM pg_stat_ssl WHERE pid = pg_backend_pid()" + ], + qr{^pid,ssl,version,cipher,bits,client_dn,client_serial,issuer_dn\r?\n + ^\d+,t,TLSv[\d.]+,[\w-]+,\d+,_null_,_null_,_null_\r?$}mx, + 'pg_stat_ssl view without client certificate'); + +# Test min/max SSL protocol versions. +$node->connect_ok( + "$common_connstr sslrootcert=ssl/root+server_ca.crt sslmode=require ssl_min_protocol_version=TLSv1.2 ssl_max_protocol_version=TLSv1.2", + "connection success with correct range of TLS protocol versions"); +$node->connect_fails( + "$common_connstr sslrootcert=ssl/root+server_ca.crt sslmode=require ssl_min_protocol_version=TLSv1.2 ssl_max_protocol_version=TLSv1.1", + "connection failure with incorrect range of TLS protocol versions", + expected_stderr => qr/invalid SSL protocol version range/); +$node->connect_fails( + "$common_connstr sslrootcert=ssl/root+server_ca.crt sslmode=require ssl_min_protocol_version=incorrect_tls", + "connection failure with an incorrect SSL protocol minimum bound", + expected_stderr => qr/invalid ssl_min_protocol_version value/); +$node->connect_fails( + "$common_connstr sslrootcert=ssl/root+server_ca.crt sslmode=require ssl_max_protocol_version=incorrect_tls", + "connection failure with an incorrect SSL protocol maximum bound", + expected_stderr => qr/invalid ssl_max_protocol_version value/); + +### Server-side tests. +### +### Test certificate authorization. + +note "running server tests"; + +$common_connstr = + "$default_ssl_connstr sslrootcert=ssl/root+server_ca.crt sslmode=require dbname=certdb hostaddr=$SERVERHOSTADDR host=localhost"; + +# no client cert +$node->connect_fails( + "$common_connstr user=ssltestuser sslcert=invalid", + "certificate authorization fails without client cert", + expected_stderr => qr/connection requires a valid client certificate/); + +# correct client cert in unencrypted PEM +$node->connect_ok( + "$common_connstr user=ssltestuser sslcert=ssl/client.crt " + . sslkey('client.key'), + "certificate authorization succeeds with correct client cert in PEM format" +); + +# correct client cert in unencrypted DER +$node->connect_ok( + "$common_connstr user=ssltestuser sslcert=ssl/client.crt " + . sslkey('client-der.key'), + "certificate authorization succeeds with correct client cert in DER format" +); + +# correct client cert in encrypted PEM +$node->connect_ok( + "$common_connstr user=ssltestuser sslcert=ssl/client.crt " + . sslkey('client-encrypted-pem.key') + . " sslpassword='dUmmyP^#+'", + "certificate authorization succeeds with correct client cert in encrypted PEM format" +); + +# correct client cert in encrypted DER +$node->connect_ok( + "$common_connstr user=ssltestuser sslcert=ssl/client.crt " + . sslkey('client-encrypted-der.key') + . " sslpassword='dUmmyP^#+'", + "certificate authorization succeeds with correct client cert in encrypted DER format" +); + +# correct client cert in encrypted PEM with wrong password +$node->connect_fails( + "$common_connstr user=ssltestuser sslcert=ssl/client.crt " + . sslkey('client-encrypted-pem.key') + . " sslpassword='wrong'", + "certificate authorization fails with correct client cert and wrong password in encrypted PEM format", + expected_stderr => + qr!private key file \".*client-encrypted-pem\.key\": bad decrypt!,); + + +# correct client cert using whole DN +my $dn_connstr = "$common_connstr dbname=certdb_dn"; + +$node->connect_ok( + "$dn_connstr user=ssltestuser sslcert=ssl/client-dn.crt " + . sslkey('client-dn.key'), + "certificate authorization succeeds with DN mapping", + log_like => [ + qr/connection authenticated: identity="CN=ssltestuser-dn,OU=Testing,OU=Engineering,O=PGDG" method=cert/ + ],); + +# same thing but with a regex +$dn_connstr = "$common_connstr dbname=certdb_dn_re"; + +$node->connect_ok( + "$dn_connstr user=ssltestuser sslcert=ssl/client-dn.crt " + . sslkey('client-dn.key'), + "certificate authorization succeeds with DN regex mapping"); + +# same thing but using explicit CN +$dn_connstr = "$common_connstr dbname=certdb_cn"; + +$node->connect_ok( + "$dn_connstr user=ssltestuser sslcert=ssl/client-dn.crt " + . sslkey('client-dn.key'), + "certificate authorization succeeds with CN mapping", + # the full DN should still be used as the authenticated identity + log_like => [ + qr/connection authenticated: identity="CN=ssltestuser-dn,OU=Testing,OU=Engineering,O=PGDG" method=cert/ + ],); + + + +TODO: +{ + # these tests are left here waiting on us to get better pty support + # so they don't hang. For now they are not performed. + + todo_skip "Need Pty support", 4; + + # correct client cert in encrypted PEM with empty password + $node->connect_fails( + "$common_connstr user=ssltestuser sslcert=ssl/client.crt " + . sslkey('client-encrypted-pem.key') + . " sslpassword=''", + "certificate authorization fails with correct client cert and empty password in encrypted PEM format", + expected_stderr => + qr!private key file \".*client-encrypted-pem\.key\": processing error! + ); + + # correct client cert in encrypted PEM with no password + $node->connect_fails( + "$common_connstr user=ssltestuser sslcert=ssl/client.crt " + . sslkey('client-encrypted-pem.key'), + "certificate authorization fails with correct client cert and no password in encrypted PEM format", + expected_stderr => + qr!private key file \".*client-encrypted-pem\.key\": processing error! + ); + +} + +# pg_stat_ssl + +my $serialno = `openssl x509 -serial -noout -in ssl/client.crt`; +if ($? == 0) +{ + # OpenSSL prints serial numbers in hexadecimal and converting the serial + # from hex requires a 64-bit capable Perl as the serialnumber is based on + # the current timestamp. On 32-bit fall back to checking for it being an + # integer like how we do when grabbing the serial fails. + if ($Config{ivsize} == 8) + { + $serialno =~ s/^serial=//; + $serialno =~ s/\s+//g; + $serialno = hex($serialno); + } + else + { + $serialno = '\d+'; + } +} +else +{ + # OpenSSL isn't functioning on the user's PATH. This probably isn't worth + # skipping the test over, so just fall back to a generic integer match. + warn 'couldn\'t run `openssl x509` to get client cert serialno'; + $serialno = '\d+'; +} + +command_like( + [ + 'psql', + '-X', + '-A', + '-F', + ',', + '-P', + 'null=_null_', + '-d', + "$common_connstr user=ssltestuser sslcert=ssl/client.crt " + . sslkey('client.key'), + '-c', + "SELECT * FROM pg_stat_ssl WHERE pid = pg_backend_pid()" + ], + qr{^pid,ssl,version,cipher,bits,client_dn,client_serial,issuer_dn\r?\n + ^\d+,t,TLSv[\d.]+,[\w-]+,\d+,/?CN=ssltestuser,$serialno,/?\QCN=Test CA for PostgreSQL SSL regression test client certs\E\r?$}mx, + 'pg_stat_ssl with client certificate'); + +# client key with wrong permissions +SKIP: +{ + skip "Permissions check not enforced on Windows", 2 if ($windows_os); + + $node->connect_fails( + "$common_connstr user=ssltestuser sslcert=ssl/client.crt " + . sslkey('client_wrongperms.key'), + "certificate authorization fails because of file permissions", + expected_stderr => + qr!private key file \".*client_wrongperms\.key\" has group or world access! + ); +} + +# client cert belonging to another user +$node->connect_fails( + "$common_connstr user=anotheruser sslcert=ssl/client.crt " + . sslkey('client.key'), + "certificate authorization fails with client cert belonging to another user", + expected_stderr => + qr/certificate authentication failed for user "anotheruser"/, + # certificate authentication should be logged even on failure + log_like => + [qr/connection authenticated: identity="CN=ssltestuser" method=cert/],); + +# revoked client cert +$node->connect_fails( + "$common_connstr user=ssltestuser sslcert=ssl/client-revoked.crt " + . sslkey('client-revoked.key'), + "certificate authorization fails with revoked client cert", + expected_stderr => qr/SSL error: sslv3 alert certificate revoked/, + # revoked certificates should not authenticate the user + log_unlike => [qr/connection authenticated:/],); + +# Check that connecting with auth-option verify-full in pg_hba: +# works, iff username matches Common Name +# fails, iff username doesn't match Common Name. +$common_connstr = + "$default_ssl_connstr sslrootcert=ssl/root+server_ca.crt sslmode=require dbname=verifydb hostaddr=$SERVERHOSTADDR host=localhost"; + +$node->connect_ok( + "$common_connstr user=ssltestuser sslcert=ssl/client.crt " + . sslkey('client.key'), + "auth_option clientcert=verify-full succeeds with matching username and Common Name", + # verify-full does not provide authentication + log_unlike => [qr/connection authenticated:/],); + +$node->connect_fails( + "$common_connstr user=anotheruser sslcert=ssl/client.crt " + . sslkey('client.key'), + "auth_option clientcert=verify-full fails with mismatching username and Common Name", + expected_stderr => + qr/FATAL: .* "trust" authentication failed for user "anotheruser"/, + # verify-full does not provide authentication + log_unlike => [qr/connection authenticated:/],); + +# Check that connecting with auth-option verify-ca in pg_hba : +# works, when username doesn't match Common Name +$node->connect_ok( + "$common_connstr user=yetanotheruser sslcert=ssl/client.crt " + . sslkey('client.key'), + "auth_option clientcert=verify-ca succeeds with mismatching username and Common Name", + # verify-full does not provide authentication + log_unlike => [qr/connection authenticated:/],); + +# intermediate client_ca.crt is provided by client, and isn't in server's ssl_ca_file +switch_server_cert($node, certfile => 'server-cn-only', cafile => 'root_ca'); +$common_connstr = + "$default_ssl_connstr user=ssltestuser dbname=certdb " + . sslkey('client.key') + . " sslrootcert=ssl/root+server_ca.crt hostaddr=$SERVERHOSTADDR host=localhost"; + +$node->connect_ok( + "$common_connstr sslmode=require sslcert=ssl/client+client_ca.crt", + "intermediate client certificate is provided by client"); +$node->connect_fails( + $common_connstr . " " . "sslmode=require sslcert=ssl/client.crt", + "intermediate client certificate is missing", + expected_stderr => qr/SSL error: tlsv1 alert unknown ca/); + +# test server-side CRL directory +switch_server_cert( + $node, + certfile => 'server-cn-only', + crldir => 'root+client-crldir'); + +# revoked client cert +$node->connect_fails( + "$common_connstr user=ssltestuser sslcert=ssl/client-revoked.crt " + . sslkey('client-revoked.key'), + "certificate authorization fails with revoked client cert with server-side CRL directory", + expected_stderr => qr/SSL error: sslv3 alert certificate revoked/); + +done_testing(); |