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-rw-r--r--src/test/ssl/t/001_ssltests.pl748
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
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+
+# 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();