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Check error messages in SSL tests

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In tests that check whether a connection fails, also check the error
message.  That makes sure that the connection was rejected for the right
reason.

This discovered that two tests had their connection failing for the
wrong reason.  One test failed because pg_hba.conf was not set up to
allow that user, one test failed because the client key file did not
have the right permissions.  Fix those tests and add a new one that is
really supposed to check the file permission issue.

Reviewed-by: Michael Paquier <michael@paquier.xyz>
pull/31/merge
Peter Eisentraut 8 years ago
parent bc1adc651b
commit 081bfc19b3
4 changed files with 59 additions and 32 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 42
      src/test/ssl/ServerSetup.pm
  2. 2
      src/test/ssl/ssl/.gitignore
  3. 43
      src/test/ssl/t/001_ssltests.pl
  4. 4
      src/test/ssl/t/002_scram.pl

42
src/test/ssl/ServerSetup.pm
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@ -27,7 +27,6 @@ use Test::More;
use Exporter 'import';
our @EXPORT = qw(
configure_test_server_for_ssl
run_test_psql
switch_server_cert
test_connect_fails
test_connect_ok
@ -35,37 +34,28 @@ our @EXPORT = qw(
# Define a couple of helper functions to test connecting to the server.
# Attempt connection to server with given connection string.
sub run_test_psql
{
my $connstr = $_[0];
my $cmd = [
'psql', '-X', '-A', '-t', '-c', "SELECT \$\$connected with $connstr\$\$",
'-d', "$connstr" ];
my $result = run_log($cmd);
return $result;
}
# The first argument is a base connection string to use for connection.
# The second argument is a complementary connection string.
sub test_connect_ok
{
my $common_connstr = $_[0];
my $connstr = $_[1];
my $test_name = $_[2];
my ($common_connstr, $connstr, $test_name) = @_;
ok(run_test_psql("$common_connstr $connstr"), $test_name);
my $cmd = [
'psql', '-X', '-A', '-t', '-c', "SELECT \$\$connected with $connstr\$\$",
'-d', "$common_connstr $connstr" ];
command_ok($cmd, $test_name);
}
sub test_connect_fails
{
my $common_connstr = $_[0];
my $connstr = $_[1];
my $test_name = $_[2];
my ($common_connstr, $connstr, $expected_stderr, $test_name) = @_;
my $cmd = [
'psql', '-X', '-A', '-t', '-c', "SELECT \$\$connected with $connstr\$\$",
'-d', "$common_connstr $connstr" ];
ok(!run_test_psql("$common_connstr $connstr"), $test_name);
command_fails_like($cmd, $expected_stderr, $test_name);
}
# Copy a set of files, taking into account wildcards
@ -169,12 +159,12 @@ sub configure_hba_for_ssl
print $hba
"# TYPE DATABASE USER ADDRESS METHOD\n";
print $hba
"hostssl trustdb ssltestuser $serverhost/32 $authmethod\n";
"hostssl trustdb all $serverhost/32 $authmethod\n";
print $hba
"hostssl trustdb ssltestuser ::1/128 $authmethod\n";
"hostssl trustdb all ::1/128 $authmethod\n";
print $hba
"hostssl certdb ssltestuser $serverhost/32 cert\n";
"hostssl certdb all $serverhost/32 cert\n";
print $hba
"hostssl certdb ssltestuser ::1/128 cert\n";
"hostssl certdb all ::1/128 cert\n";
close $hba;
}

2
src/test/ssl/ssl/.gitignore vendored
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@ -1,3 +1,3 @@
/*.old
/new_certs_dir/
/client_tmp.key
/client*_tmp.key

43
src/test/ssl/t/001_ssltests.pl
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@ -2,7 +2,7 @@ use strict;
use warnings;
use PostgresNode;
use TestLib;
use Test::More tests => 40;
use Test::More tests => 62;
use ServerSetup;
use File::Copy;
@ -20,6 +20,14 @@ my $common_connstr;
# of the key stored in the code tree and update its permissions.
copy("ssl/client.key", "ssl/client_tmp.key");
chmod 0600, "ssl/client_tmp.key";
copy("ssl/client-revoked.key", "ssl/client-revoked_tmp.key");
chmod 0600, "ssl/client-revoked_tmp.key";
# Also make a copy of that explicitly world-readable. We can't
# necessarily rely on the file in the source tree having those
# permissions.
copy("ssl/client.key", "ssl/client_wrongperms_tmp.key");
chmod 0644, "ssl/client_wrongperms_tmp.key";
#### Part 0. Set up the server.
@ -48,6 +56,7 @@ $common_connstr =
# The server should not accept non-SSL connections.
test_connect_fails($common_connstr, "sslmode=disable",
qr/\Qno pg_hba.conf entry\E/,
"server doesn't accept non-SSL connections");
# Try without a root cert. In sslmode=require, this should work. In verify-ca
@ -55,26 +64,32 @@ test_connect_fails($common_connstr, "sslmode=disable",
test_connect_ok($common_connstr, "sslrootcert=invalid sslmode=require",
"connect without server root cert sslmode=require");
test_connect_fails($common_connstr, "sslrootcert=invalid sslmode=verify-ca",
qr/root certificate file "invalid" does not exist/,
"connect without server root cert sslmode=verify-ca");
test_connect_fails($common_connstr, "sslrootcert=invalid sslmode=verify-full",
qr/root certificate file "invalid" does not exist/,
"connect without server root cert sslmode=verify-full");
# 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.)
test_connect_fails($common_connstr,
"sslrootcert=ssl/client_ca.crt sslmode=require",
qr/SSL error/,
"connect with wrong server root cert sslmode=require");
test_connect_fails($common_connstr,
"sslrootcert=ssl/client_ca.crt sslmode=verify-ca",
qr/SSL error/,
"connect with wrong server root cert sslmode=verify-ca");
test_connect_fails($common_connstr,
"sslrootcert=ssl/client_ca.crt sslmode=verify-full",
qr/SSL error/,
"connect with wrong server root cert sslmode=verify-full");
# Try with just the server CA's cert. This fails because the root file
# must contain the whole chain up to the root CA.
test_connect_fails($common_connstr,
"sslrootcert=ssl/server_ca.crt sslmode=verify-ca",
qr/SSL error/,
"connect with server CA cert, without root CA");
# And finally, with the correct root cert.
@ -107,6 +122,7 @@ test_connect_ok($common_connstr,
# A CRL belonging to a different CA is not accepted, fails
test_connect_fails($common_connstr,
"sslrootcert=ssl/root+server_ca.crt sslmode=verify-ca sslcrl=ssl/client.crl",
qr/SSL error/,
"CRL belonging to a different CA");
# With the correct CRL, succeeds (this cert is not revoked)
@ -124,9 +140,9 @@ test_connect_ok($common_connstr, "sslmode=require host=wronghost.test",
test_connect_ok($common_connstr, "sslmode=verify-ca host=wronghost.test",
"mismatch between host name and server certificate sslmode=verify-ca");
test_connect_fails($common_connstr, "sslmode=verify-full host=wronghost.test",
qr/\Qserver certificate for "common-name.pg-ssltest.test" does not match host name "wronghost.test"\E/,
"mismatch between host name and server certificate sslmode=verify-full");
# Test Subject Alternative Names.
switch_server_cert($node, 'server-multiple-alt-names');
@ -141,9 +157,11 @@ test_connect_ok($common_connstr, "host=foo.wildcard.pg-ssltest.test",
"host name matching with X.509 Subject Alternative Names wildcard");
test_connect_fails($common_connstr, "host=wronghost.alt-name.pg-ssltest.test",
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/,
"host name not matching with X.509 Subject Alternative Names");
test_connect_fails($common_connstr,
"host=deep.subdomain.wildcard.pg-ssltest.test",
qr/\Qserver certificate for "dns1.alt-name.pg-ssltest.test" (and 2 other names) does not match host name "deep.subdomain.wildcard.pg-ssltest.test"\E/,
"host name not matching with X.509 Subject Alternative Names wildcard");
# Test certificate with a single Subject Alternative Name. (this gives a
@ -157,9 +175,11 @@ test_connect_ok($common_connstr, "host=single.alt-name.pg-ssltest.test",
"host name matching with a single X.509 Subject Alternative Name");
test_connect_fails($common_connstr, "host=wronghost.alt-name.pg-ssltest.test",
qr/\Qserver certificate for "single.alt-name.pg-ssltest.test" does not match host name "wronghost.alt-name.pg-ssltest.test"\E/,
"host name not matching with a single X.509 Subject Alternative Name");
test_connect_fails($common_connstr,
"host=deep.subdomain.wildcard.pg-ssltest.test",
qr/\Qserver certificate for "single.alt-name.pg-ssltest.test" does not match host name "deep.subdomain.wildcard.pg-ssltest.test"\E/,
"host name not matching with a single X.509 Subject Alternative Name wildcard");
# Test server certificate with a CN and SANs. Per RFCs 2818 and 6125, the CN
@ -174,6 +194,7 @@ test_connect_ok($common_connstr, "host=dns1.alt-name.pg-ssltest.test",
test_connect_ok($common_connstr, "host=dns2.alt-name.pg-ssltest.test",
"certificate with both a CN and SANs 2");
test_connect_fails($common_connstr, "host=common-name.pg-ssltest.test",
qr/\Qserver certificate for "dns1.alt-name.pg-ssltest.test" (and 1 other name) does not match host name "common-name.pg-ssltest.test"\E/,
"certificate with both a CN and SANs ignores CN");
# Finally, test a server certificate that has no CN or SANs. Of course, that's
@ -187,6 +208,7 @@ test_connect_ok($common_connstr,
"server certificate without CN or SANs sslmode=verify-ca");
test_connect_fails($common_connstr,
"sslmode=verify-full host=common-name.pg-ssltest.test",
qr/could not get server's host name from server certificate/,
"server certificate without CN or SANs sslmode=verify-full");
# Test that the CRL works
@ -201,6 +223,7 @@ test_connect_ok($common_connstr,
"connects without client-side CRL");
test_connect_fails($common_connstr,
"sslrootcert=ssl/root+server_ca.crt sslmode=verify-ca sslcrl=ssl/root+server.crl",
qr/SSL error/,
"does not connect with client-side CRL");
### Part 2. Server-side tests.
@ -215,6 +238,7 @@ $common_connstr =
# no client cert
test_connect_fails($common_connstr,
"user=ssltestuser sslcert=invalid",
qr/connection requires a valid client certificate/,
"certificate authorization fails without client cert");
# correct client cert
@ -222,14 +246,22 @@ test_connect_ok($common_connstr,
"user=ssltestuser sslcert=ssl/client.crt sslkey=ssl/client_tmp.key",
"certificate authorization succeeds with correct client cert");
# client key with wrong permissions
test_connect_fails($common_connstr,
"user=ssltestuser sslcert=ssl/client.crt sslkey=ssl/client_wrongperms_tmp.key",
qr!\Qprivate key file "ssl/client_wrongperms_tmp.key" has group or world access\E!,
"certificate authorization fails because of file permissions");
# client cert belonging to another user
test_connect_fails($common_connstr,
"user=anotheruser sslcert=ssl/client.crt sslkey=ssl/client_tmp.key",
qr/certificate authentication failed for user "anotheruser"/,
"certificate authorization fails with client cert belonging to another user");
# revoked client cert
test_connect_fails($common_connstr,
"user=ssltestuser sslcert=ssl/client-revoked.crt sslkey=ssl/client-revoked.key",
"user=ssltestuser sslcert=ssl/client-revoked.crt sslkey=ssl/client-revoked_tmp.key",
qr/SSL error/,
"certificate authorization fails with revoked client cert");
# intermediate client_ca.crt is provided by client, and isn't in server's ssl_ca_file
@ -241,7 +273,10 @@ test_connect_ok($common_connstr,
"sslmode=require sslcert=ssl/client+client_ca.crt",
"intermediate client certificate is provided by client");
test_connect_fails($common_connstr, "sslmode=require sslcert=ssl/client.crt",
qr/SSL error/,
"intermediate client certificate is missing");
# clean up
unlink "ssl/client_tmp.key";
unlink("ssl/client_tmp.key",
"ssl/client_wrongperms_tmp.key",
"ssl/client-revoked_tmp.key");

4
src/test/ssl/t/002_scram.pl
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@ -4,7 +4,7 @@ use strict;
use warnings;
use PostgresNode;
use TestLib;
use Test::More tests => 5;
use Test::More tests => 6;
use ServerSetup;
use File::Copy;
@ -59,8 +59,10 @@ else
{
test_connect_fails($common_connstr,
"scram_channel_binding=tls-server-end-point",
qr/unsupported SCRAM channel-binding type/,
"SCRAM authentication with tls-server-end-point as channel binding");
}
test_connect_fails($common_connstr,
"scram_channel_binding=not-exists",
qr/unsupported SCRAM channel-binding type/,
"SCRAM authentication with invalid channel binding");

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