mirror of
https://github.com/postgres/postgres.git
synced 2025-05-13 01:13:08 -04:00
254 lines
7.5 KiB
Perl
254 lines
7.5 KiB
Perl
# Copyright (c) 2024-2025, PostgreSQL Global Development Group
|
|
|
|
# Test SCRAM authentication when opening a new connection with a foreign
|
|
# server.
|
|
#
|
|
# The test is executed by testing the SCRAM authentifcation on a loopback
|
|
# connection on the same server and with different servers.
|
|
|
|
use strict;
|
|
use warnings FATAL => 'all';
|
|
use PostgreSQL::Test::Utils;
|
|
use PostgreSQL::Test::Cluster;
|
|
use Test::More;
|
|
|
|
if (!$use_unix_sockets)
|
|
{
|
|
plan skip_all => "test requires Unix-domain sockets";
|
|
}
|
|
|
|
my $user = "user01";
|
|
|
|
my $db0 = "db0"; # For node1
|
|
my $db1 = "db1"; # For node1
|
|
my $db2 = "db2"; # For node2
|
|
my $fdw_server = "db1_fdw";
|
|
my $fdw_server2 = "db2_fdw";
|
|
my $fdw_invalid_server = "db2_fdw_invalid"; # For invalid fdw options
|
|
my $fdw_invalid_server2 =
|
|
"db2_fdw_invalid2"; # For invalid scram keys fdw options
|
|
|
|
my $node1 = PostgreSQL::Test::Cluster->new('node1');
|
|
my $node2 = PostgreSQL::Test::Cluster->new('node2');
|
|
|
|
$node1->init;
|
|
$node2->init;
|
|
|
|
$node1->start;
|
|
$node2->start;
|
|
|
|
# Test setup
|
|
|
|
$node1->safe_psql('postgres', qq'CREATE USER $user WITH password \'pass\'');
|
|
$node2->safe_psql('postgres', qq'CREATE USER $user WITH password \'pass\'');
|
|
$ENV{PGPASSWORD} = "pass";
|
|
|
|
$node1->safe_psql('postgres', qq'CREATE DATABASE $db0');
|
|
$node1->safe_psql('postgres', qq'CREATE DATABASE $db1');
|
|
$node2->safe_psql('postgres', qq'CREATE DATABASE $db2');
|
|
|
|
setup_table($node1, $db1, "t");
|
|
setup_table($node2, $db2, "t2");
|
|
|
|
$node1->safe_psql($db0, 'CREATE EXTENSION IF NOT EXISTS dblink');
|
|
setup_fdw_server($node1, $db0, $fdw_server, $node1, $db1);
|
|
setup_fdw_server($node1, $db0, $fdw_server2, $node2, $db2);
|
|
setup_invalid_fdw_server($node1, $db0, $fdw_invalid_server, $node2, $db2);
|
|
setup_fdw_server($node1, $db0, $fdw_invalid_server2, $node2, $db2);
|
|
|
|
setup_user_mapping($node1, $db0, $fdw_server);
|
|
setup_user_mapping($node1, $db0, $fdw_server2);
|
|
setup_user_mapping($node1, $db0, $fdw_invalid_server);
|
|
|
|
# Make the user have the same SCRAM key on both servers. Forcing to have the
|
|
# same iteration and salt.
|
|
my $rolpassword = $node1->safe_psql('postgres',
|
|
qq"SELECT rolpassword FROM pg_authid WHERE rolname = '$user';");
|
|
$node2->safe_psql('postgres', qq"ALTER ROLE $user PASSWORD '$rolpassword'");
|
|
|
|
unlink($node1->data_dir . '/pg_hba.conf');
|
|
unlink($node2->data_dir . '/pg_hba.conf');
|
|
|
|
$node1->append_conf(
|
|
'pg_hba.conf', qq{
|
|
local db0 all scram-sha-256
|
|
local db1 all scram-sha-256
|
|
}
|
|
);
|
|
$node2->append_conf(
|
|
'pg_hba.conf', qq{
|
|
local db2 all scram-sha-256
|
|
}
|
|
);
|
|
|
|
$node1->restart;
|
|
$node2->restart;
|
|
|
|
# End of test setup
|
|
|
|
test_scram_keys_is_not_overwritten($node1, $db0, $fdw_invalid_server2);
|
|
|
|
test_fdw_auth($node1, $db0, "t", $fdw_server,
|
|
"SCRAM auth on the same database cluster must succeed");
|
|
|
|
test_fdw_auth($node1, $db0, "t2", $fdw_server2,
|
|
"SCRAM auth on a different database cluster must succeed");
|
|
|
|
test_fdw_auth_with_invalid_overwritten_require_auth($fdw_invalid_server);
|
|
|
|
# Ensure that trust connections fail without superuser opt-in.
|
|
unlink($node1->data_dir . '/pg_hba.conf');
|
|
unlink($node2->data_dir . '/pg_hba.conf');
|
|
|
|
$node1->append_conf(
|
|
'pg_hba.conf', qq{
|
|
local db0 all scram-sha-256
|
|
local db1 all trust
|
|
}
|
|
);
|
|
$node2->append_conf(
|
|
'pg_hba.conf', qq{
|
|
local all all password
|
|
}
|
|
);
|
|
|
|
$node1->restart;
|
|
$node2->restart;
|
|
|
|
my ($ret, $stdout, $stderr) = $node1->psql(
|
|
$db0,
|
|
"SELECT * FROM dblink('$fdw_server', 'SELECT * FROM t') AS t(a int, b int)",
|
|
connstr => $node1->connstr($db0) . " user=$user");
|
|
|
|
is($ret, 3, 'loopback trust fails on the same cluster');
|
|
like(
|
|
$stderr,
|
|
qr/failed: authentication method requirement "scram-sha-256" failed: server did not complete authentication/,
|
|
'expected error from loopback trust (same cluster)');
|
|
|
|
($ret, $stdout, $stderr) = $node1->psql(
|
|
$db0,
|
|
"SELECT * FROM dblink('$fdw_server2', 'SELECT * FROM t2') AS t2(a int, b int)",
|
|
connstr => $node1->connstr($db0) . " user=$user");
|
|
|
|
is($ret, 3, 'loopback password fails on a different cluster');
|
|
like(
|
|
$stderr,
|
|
qr/authentication method requirement "scram-sha-256" failed: server requested a cleartext password/,
|
|
'expected error from loopback password (different cluster)');
|
|
|
|
# Helper functions
|
|
|
|
sub test_fdw_auth
|
|
{
|
|
local $Test::Builder::Level = $Test::Builder::Level + 1;
|
|
|
|
my ($node, $db, $tbl, $fdw, $testname) = @_;
|
|
my $connstr = $node->connstr($db) . qq' user=$user';
|
|
|
|
my $ret = $node->safe_psql(
|
|
$db,
|
|
qq"SELECT count(1) FROM dblink('$fdw', 'SELECT * FROM $tbl') AS $tbl(a int, b int)",
|
|
connstr => $connstr);
|
|
|
|
is($ret, '10', $testname);
|
|
}
|
|
|
|
sub test_fdw_auth_with_invalid_overwritten_require_auth
|
|
{
|
|
local $Test::Builder::Level = $Test::Builder::Level + 1;
|
|
|
|
my ($fdw) = @_;
|
|
|
|
my ($ret, $stdout, $stderr) = $node1->psql(
|
|
$db0,
|
|
"select * from dblink('$fdw', 'select * from t') as t(a int, b int)",
|
|
connstr => $node1->connstr($db0) . " user=$user");
|
|
|
|
is($ret, 3, 'loopback trust fails when overwriting require_auth');
|
|
like(
|
|
$stderr,
|
|
qr/password or GSSAPI delegated credentials required/,
|
|
'expected error when connecting to a fdw overwriting the require_auth'
|
|
);
|
|
}
|
|
|
|
sub test_scram_keys_is_not_overwritten
|
|
{
|
|
local $Test::Builder::Level = $Test::Builder::Level + 1;
|
|
|
|
my ($node, $db, $fdw) = @_;
|
|
|
|
my ($ret, $stdout, $stderr) = $node->psql(
|
|
$db,
|
|
qq'CREATE USER MAPPING FOR $user SERVER $fdw OPTIONS (user \'$user\', scram_client_key \'key\');',
|
|
connstr => $node->connstr($db) . " user=$user");
|
|
|
|
is($ret, 3, 'user mapping creation fails when using scram_client_key');
|
|
like(
|
|
$stderr,
|
|
qr/ERROR: invalid option "scram_client_key"/,
|
|
'user mapping creation fails when using scram_client_key');
|
|
|
|
($ret, $stdout, $stderr) = $node->psql(
|
|
$db,
|
|
qq'CREATE USER MAPPING FOR $user SERVER $fdw OPTIONS (user \'$user\', scram_server_key \'key\');',
|
|
connstr => $node->connstr($db) . " user=$user");
|
|
|
|
is($ret, 3, 'user mapping creation fails when using scram_server_key');
|
|
like(
|
|
$stderr,
|
|
qr/ERROR: invalid option "scram_server_key"/,
|
|
'user mapping creation fails when using scram_server_key');
|
|
}
|
|
|
|
sub setup_user_mapping
|
|
{
|
|
my ($node, $db, $fdw) = @_;
|
|
|
|
$node->safe_psql($db,
|
|
qq'CREATE USER MAPPING FOR $user SERVER $fdw OPTIONS (user \'$user\');'
|
|
);
|
|
}
|
|
|
|
sub setup_fdw_server
|
|
{
|
|
my ($node, $db, $fdw, $fdw_node, $dbname) = @_;
|
|
my $host = $fdw_node->host;
|
|
my $port = $fdw_node->port;
|
|
|
|
$node->safe_psql(
|
|
$db, qq'CREATE SERVER $fdw FOREIGN DATA WRAPPER dblink_fdw options (
|
|
host \'$host\', port \'$port\', dbname \'$dbname\', use_scram_passthrough \'true\') '
|
|
);
|
|
$node->safe_psql($db, qq'GRANT USAGE ON FOREIGN SERVER $fdw TO $user;');
|
|
$node->safe_psql($db, qq'GRANT ALL ON SCHEMA public TO $user');
|
|
}
|
|
|
|
sub setup_invalid_fdw_server
|
|
{
|
|
my ($node, $db, $fdw, $fdw_node, $dbname) = @_;
|
|
my $host = $fdw_node->host;
|
|
my $port = $fdw_node->port;
|
|
|
|
$node->safe_psql(
|
|
$db, qq'CREATE SERVER $fdw FOREIGN DATA WRAPPER dblink_fdw options (
|
|
host \'$host\', port \'$port\', dbname \'$dbname\', use_scram_passthrough \'true\', require_auth \'none\') '
|
|
);
|
|
$node->safe_psql($db, qq'GRANT USAGE ON FOREIGN SERVER $fdw TO $user;');
|
|
$node->safe_psql($db, qq'GRANT ALL ON SCHEMA public TO $user');
|
|
}
|
|
|
|
sub setup_table
|
|
{
|
|
my ($node, $db, $tbl) = @_;
|
|
|
|
$node->safe_psql($db,
|
|
qq'CREATE TABLE $tbl AS SELECT g as a, g + 1 as b FROM generate_series(1,10) g(g)'
|
|
);
|
|
$node->safe_psql($db, qq'GRANT USAGE ON SCHEMA public TO $user');
|
|
$node->safe_psql($db, qq'GRANT SELECT ON $tbl TO $user');
|
|
}
|
|
|
|
done_testing();
|