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Allow tests to pass in OpenSSL FIPS mode (TAP tests)

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Some tests using md5 authentication have to be skipped.  In other
cases, we can rewrite the tests to use a different authentication
method.

Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
Discussion: https://www.postgresql.org/message-id/flat/dbbd927f-ef1f-c9a1-4ec6-c759778ac852%40enterprisedb.com
pull/146/head
Peter Eisentraut 2 years ago
parent 795592865c
commit 284cbaea7c
2 changed files with 112 additions and 69 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. 146
      src/test/authentication/t/001_password.pl
  2. 35
      src/test/ssl/t/002_scram.pl

146
src/test/authentication/t/001_password.pl
Unescape View File

@ -66,24 +66,33 @@ $node->init;
$node->append_conf('postgresql.conf', "log_connections = on\n");
$node->start;
# could fail in FIPS mode
my $md5_works = ($node->psql('postgres', "select md5('')") == 0);
# Create 3 roles with different password methods for each one. The same
# password is used for all of them.
$node->safe_psql('postgres',
"SET password_encryption='scram-sha-256'; CREATE ROLE scram_role LOGIN PASSWORD 'pass';"
);
$node->safe_psql('postgres',
"SET password_encryption='md5'; CREATE ROLE md5_role LOGIN PASSWORD 'pass';"
);
is( $node->psql(
'postgres',
"SET password_encryption='scram-sha-256'; CREATE ROLE scram_role LOGIN PASSWORD 'pass';"
),
0,
'created user with SCRAM password');
is( $node->psql(
'postgres',
"SET password_encryption='md5'; CREATE ROLE md5_role LOGIN PASSWORD 'pass';"
),
$md5_works ? 0 : 3,
'created user with md5 password');
# Set up a table for tests of SYSTEM_USER.
$node->safe_psql(
'postgres',
"CREATE TABLE sysuser_data (n) AS SELECT NULL FROM generate_series(1, 10);
GRANT ALL ON sysuser_data TO md5_role;");
GRANT ALL ON sysuser_data TO scram_role;");
$ENV{"PGPASSWORD"} = 'pass';
# Create a role that contains a comma to stress the parsing.
$node->safe_psql('postgres',
q{SET password_encryption='md5'; CREATE ROLE "md5,role" LOGIN PASSWORD 'pass';}
q{SET password_encryption='scram-sha-256'; CREATE ROLE "scram,role" LOGIN PASSWORD 'pass';}
);
# Create a role with a non-default iteration count
@ -141,8 +150,13 @@ reset_pg_hba($node, 'all', 'all', 'trust');
test_conn($node, 'user=scram_role', 'trust', 0,
log_like =>
[qr/connection authenticated: user="scram_role" method=trust/]);
test_conn($node, 'user=md5_role', 'trust', 0,
log_like => [qr/connection authenticated: user="md5_role" method=trust/]);
SKIP:
{
skip "MD5 not supported" unless $md5_works;
test_conn($node, 'user=md5_role', 'trust', 0,
log_like =>
[qr/connection authenticated: user="md5_role" method=trust/]);
}
# SYSTEM_USER is null when not authenticated.
$res = $node->safe_psql('postgres', "SELECT SYSTEM_USER IS NULL;");
@ -157,7 +171,7 @@ $res = $node->safe_psql(
SET max_parallel_workers_per_gather TO 2;
SELECT bool_and(SYSTEM_USER IS NOT DISTINCT FROM n) FROM sysuser_data;),
connstr => "user=md5_role");
connstr => "user=scram_role");
is($res, 't',
"users with trust authentication use SYSTEM_USER = NULL in parallel workers"
);
@ -275,9 +289,14 @@ reset_pg_hba($node, 'all', 'all', 'password');
test_conn($node, 'user=scram_role', 'password', 0,
log_like =>
[qr/connection authenticated: identity="scram_role" method=password/]);
test_conn($node, 'user=md5_role', 'password', 0,
log_like =>
[qr/connection authenticated: identity="md5_role" method=password/]);
SKIP:
{
skip "MD5 not supported" unless $md5_works;
test_conn($node, 'user=md5_role', 'password', 0,
log_like =>
[qr/connection authenticated: identity="md5_role" method=password/]
);
}
# require_auth succeeds here with a plaintext password.
$node->connect_ok("user=scram_role require_auth=password",
@ -393,59 +412,64 @@ reset_pg_hba($node, 'all', 'all', 'md5');
test_conn($node, 'user=scram_role', 'md5', 0,
log_like =>
[qr/connection authenticated: identity="scram_role" method=md5/]);
test_conn($node, 'user=md5_role', 'md5', 0,
log_like =>
[qr/connection authenticated: identity="md5_role" method=md5/]);
SKIP:
{
skip "MD5 not supported" unless $md5_works;
test_conn($node, 'user=md5_role', 'md5', 0,
log_like =>
[qr/connection authenticated: identity="md5_role" method=md5/]);
}
# require_auth succeeds with MD5 required.
$node->connect_ok("user=md5_role require_auth=md5",
"MD5 authentication required, works with MD5 auth");
$node->connect_ok("user=md5_role require_auth=!none",
"any authentication required, works with MD5 auth");
# require_auth succeeds with SCRAM required.
$node->connect_ok(
"user=md5_role require_auth=md5,scram-sha-256,password",
"multiple authentication types required, works with MD5 auth");
"user=scram_role require_auth=scram-sha-256",
"SCRAM authentication required, works with SCRAM auth");
$node->connect_ok("user=scram_role require_auth=!none",
"any authentication required, works with SCRAM auth");
$node->connect_ok(
"user=scram_role require_auth=md5,scram-sha-256,password",
"multiple authentication types required, works with SCRAM auth");
# Authentication fails if other types are required.
$node->connect_fails(
"user=md5_role require_auth=password",
"password authentication required, fails with MD5 auth",
"user=scram_role require_auth=password",
"password authentication required, fails with SCRAM auth",
expected_stderr =>
qr/authentication method requirement "password" failed: server requested a hashed password/
qr/authentication method requirement "password" failed: server requested SASL authentication/
);
$node->connect_fails(
"user=md5_role require_auth=scram-sha-256",
"SCRAM authentication required, fails with MD5 auth",
"user=scram_role require_auth=md5",
"MD5 authentication required, fails with SCRAM auth",
expected_stderr =>
qr/authentication method requirement "scram-sha-256" failed: server requested a hashed password/
qr/authentication method requirement "md5" failed: server requested SASL authentication/
);
$node->connect_fails(
"user=md5_role require_auth=none",
"all authentication types forbidden, fails with MD5 auth",
"user=scram_role require_auth=none",
"all authentication types forbidden, fails with SCRAM auth",
expected_stderr =>
qr/authentication method requirement "none" failed: server requested a hashed password/
qr/authentication method requirement "none" failed: server requested SASL authentication/
);
# Authentication fails if MD5 is forbidden.
# Authentication fails if SCRAM is forbidden.
$node->connect_fails(
"user=md5_role require_auth=!md5",
"password authentication forbidden, fails with MD5 auth",
"user=scram_role require_auth=!scram-sha-256",
"password authentication forbidden, fails with SCRAM auth",
expected_stderr =>
qr/authentication method requirement "!md5" failed: server requested a hashed password/
qr/authentication method requirement "!scram-sha-256" failed: server requested SASL authentication/
);
$node->connect_fails(
"user=md5_role require_auth=!password,!md5,!scram-sha-256",
"multiple authentication types forbidden, fails with MD5 auth",
"user=scram_role require_auth=!password,!md5,!scram-sha-256",
"multiple authentication types forbidden, fails with SCRAM auth",
expected_stderr =>
qr/authentication method requirement "!password,!md5,!scram-sha-256" failed: server requested a hashed password/
qr/authentication method requirement "!password,!md5,!scram-sha-256" failed: server requested SASL authentication/
);
# Test SYSTEM_USER <> NULL with parallel workers.
$node->safe_psql(
'postgres',
"TRUNCATE sysuser_data;
INSERT INTO sysuser_data SELECT 'md5:md5_role' FROM generate_series(1, 10);",
connstr => "user=md5_role");
INSERT INTO sysuser_data SELECT 'md5:scram_role' FROM generate_series(1, 10);",
connstr => "user=scram_role");
$res = $node->safe_psql(
'postgres', qq(
SET min_parallel_table_scan_size TO 0;
@ -454,7 +478,7 @@ $res = $node->safe_psql(
SET max_parallel_workers_per_gather TO 2;
SELECT bool_and(SYSTEM_USER IS NOT DISTINCT FROM n) FROM sysuser_data;),
connstr => "user=md5_role");
connstr => "user=scram_role");
is($res, 't',
"users with md5 authentication use SYSTEM_USER = md5:role in parallel workers"
);
@ -490,49 +514,57 @@ test_conn($node, 'user=md5_role', 'password from pgpass', 2);
append_to_file(
$pgpassfile, qq!
*:*:*:md5_role:p\\ass
*:*:*:md5,role:p\\ass
*:*:*:scram_role:p\\ass
*:*:*:scram,role:p\\ass
!);
test_conn($node, 'user=md5_role', 'password from pgpass', 0);
test_conn($node, 'user=scram_role', 'password from pgpass', 0);
# Testing with regular expression for username. The third regexp matches.
reset_pg_hba($node, 'all', '/^.*nomatch.*$, baduser, /^md.*$', 'password');
test_conn($node, 'user=md5_role', 'password, matching regexp for username', 0,
reset_pg_hba($node, 'all', '/^.*nomatch.*$, baduser, /^scr.*$', 'password');
test_conn(
$node,
'user=scram_role',
'password, matching regexp for username',
0,
log_like =>
[qr/connection authenticated: identity="md5_role" method=password/]);
[qr/connection authenticated: identity="scram_role" method=password/]);
# The third regex does not match anymore.
reset_pg_hba($node, 'all', '/^.*nomatch.*$, baduser, /^m_d.*$', 'password');
test_conn($node, 'user=md5_role',
reset_pg_hba($node, 'all', '/^.*nomatch.*$, baduser, /^sc_r.*$', 'password');
test_conn($node, 'user=scram_role',
'password, non matching regexp for username',
2, log_unlike => [qr/connection authenticated:/]);
# Test with a comma in the regular expression. In this case, the use of
# double quotes is mandatory so as this is not considered as two elements
# of the user name list when parsing pg_hba.conf.
reset_pg_hba($node, 'all', '"/^.*5,.*e$"', 'password');
test_conn($node, 'user=md5,role', 'password, matching regexp for username', 0,
reset_pg_hba($node, 'all', '"/^.*m,.*e$"', 'password');
test_conn(
$node,
'user=scram,role',
'password, matching regexp for username',
0,
log_like =>
[qr/connection authenticated: identity="md5,role" method=password/]);
[qr/connection authenticated: identity="scram,role" method=password/]);
# Testing with regular expression for dbname. The third regex matches.
reset_pg_hba($node, '/^.*nomatch.*$, baddb, /^regex_t.*b$', 'all',
'password');
test_conn(
$node,
'user=md5_role dbname=regex_testdb',
'user=scram_role dbname=regex_testdb',
'password, matching regexp for dbname',
0,
log_like =>
[qr/connection authenticated: identity="md5_role" method=password/]);
[qr/connection authenticated: identity="scram_role" method=password/]);
# The third regexp does not match anymore.
reset_pg_hba($node, '/^.*nomatch.*$, baddb, /^regex_t.*ba$',
'all', 'password');
test_conn(
$node,
'user=md5_role dbname=regex_testdb',
'user=scram_role dbname=regex_testdb',
'password, non matching regexp for dbname',
2, log_unlike => [qr/connection authenticated:/]);

35
src/test/ssl/t/002_scram.pl
Unescape View File

@ -64,6 +64,9 @@ $ENV{PGHOST} = $node->host;
$ENV{PGPORT} = $node->port;
$node->start;
# could fail in FIPS mode
my $md5_works = ($node->psql('postgres', "select md5('')") == 0);
# Configure server for SSL connections, with password handling.
$ssl_server->configure_test_server_for_ssl(
$node, $SERVERHOSTADDR, $SERVERHOSTCIDR,
@ -91,12 +94,16 @@ $node->connect_ok("$common_connstr user=ssltestuser channel_binding=require",
"SCRAM with SSL and channel_binding=require");
# Now test when the user has an MD5-encrypted password; should fail
$node->connect_fails(
"$common_connstr user=md5testuser channel_binding=require",
"MD5 with SSL and channel_binding=require",
expected_stderr =>
qr/channel binding required but not supported by server's authentication request/
);
SKIP:
{
skip "MD5 not supported" unless $md5_works;
$node->connect_fails(
"$common_connstr user=md5testuser channel_binding=require",
"MD5 with SSL and channel_binding=require",
expected_stderr =>
qr/channel binding required but not supported by server's authentication request/
);
}
# Now test with auth method 'cert' by connecting to 'certdb'. Should fail,
# because channel binding is not performed. Note that ssl/client.key may
@ -130,12 +137,16 @@ $node->connect_ok(
"$common_connstr user=ssltestuser channel_binding=disable require_auth=scram-sha-256",
"SCRAM with SSL, channel_binding=disable, and require_auth=scram-sha-256"
);
$node->connect_fails(
"$common_connstr user=md5testuser require_auth=md5 channel_binding=require",
"channel_binding can fail even when require_auth succeeds",
expected_stderr =>
qr/channel binding required but not supported by server's authentication request/
);
SKIP:
{
skip "MD5 not supported" unless $md5_works;
$node->connect_fails(
"$common_connstr user=md5testuser require_auth=md5 channel_binding=require",
"channel_binding can fail even when require_auth succeeds",
expected_stderr =>
qr/channel binding required but not supported by server's authentication request/
);
}
$node->connect_ok(
"$common_connstr user=ssltestuser channel_binding=require require_auth=scram-sha-256",
"SCRAM with SSL, channel_binding=require, and require_auth=scram-sha-256"

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