summaryrefslogtreecommitdiffstats
path: root/src/test/ldap/t/001_auth.pl
diff options
context:
space:
mode:
Diffstat (limited to 'src/test/ldap/t/001_auth.pl')
-rw-r--r--src/test/ldap/t/001_auth.pl384
1 files changed, 384 insertions, 0 deletions
diff --git a/src/test/ldap/t/001_auth.pl b/src/test/ldap/t/001_auth.pl
new file mode 100644
index 0000000..2a7435e
--- /dev/null
+++ b/src/test/ldap/t/001_auth.pl
@@ -0,0 +1,384 @@
+
+# Copyright (c) 2021-2022, PostgreSQL Global Development Group
+
+use strict;
+use warnings;
+use PostgreSQL::Test::Utils;
+use PostgreSQL::Test::Cluster;
+use Test::More;
+
+
+my ($slapd, $ldap_bin_dir, $ldap_schema_dir);
+
+$ldap_bin_dir = undef; # usually in PATH
+
+if ($ENV{with_ldap} ne 'yes')
+{
+ plan skip_all => 'LDAP not supported by this build';
+}
+elsif ($^O eq 'darwin' && -d '/opt/homebrew/opt/openldap')
+{
+ # typical paths for Homebrew on ARM
+ $slapd = '/opt/homebrew/opt/openldap/libexec/slapd';
+ $ldap_schema_dir = '/opt/homebrew/etc/openldap/schema';
+}
+elsif ($^O eq 'darwin' && -d '/usr/local/opt/openldap')
+{
+ # typical paths for Homebrew on Intel
+ $slapd = '/usr/local/opt/openldap/libexec/slapd';
+ $ldap_schema_dir = '/usr/local/etc/openldap/schema';
+}
+elsif ($^O eq 'darwin' && -d '/opt/local/etc/openldap')
+{
+ # typical paths for MacPorts
+ $slapd = '/opt/local/libexec/slapd';
+ $ldap_schema_dir = '/opt/local/etc/openldap/schema';
+}
+elsif ($^O eq 'linux')
+{
+ $slapd = '/usr/sbin/slapd';
+ $ldap_schema_dir = '/etc/ldap/schema' if -d '/etc/ldap/schema';
+ $ldap_schema_dir = '/etc/openldap/schema' if -d '/etc/openldap/schema';
+}
+elsif ($^O eq 'freebsd')
+{
+ $slapd = '/usr/local/libexec/slapd';
+ $ldap_schema_dir = '/usr/local/etc/openldap/schema';
+}
+elsif ($^O eq 'openbsd')
+{
+ $slapd = '/usr/local/libexec/slapd';
+ $ldap_schema_dir = '/usr/local/share/examples/openldap/schema';
+}
+else
+{
+ plan skip_all =>
+ "ldap tests not supported on $^O or dependencies not installed";
+}
+
+# make your own edits here
+#$slapd = '';
+#$ldap_bin_dir = '';
+#$ldap_schema_dir = '';
+
+$ENV{PATH} = "$ldap_bin_dir:$ENV{PATH}" if $ldap_bin_dir;
+
+my $ldap_datadir = "${PostgreSQL::Test::Utils::tmp_check}/openldap-data";
+my $slapd_certs = "${PostgreSQL::Test::Utils::tmp_check}/slapd-certs";
+my $slapd_conf = "${PostgreSQL::Test::Utils::tmp_check}/slapd.conf";
+my $slapd_pidfile = "${PostgreSQL::Test::Utils::tmp_check}/slapd.pid";
+my $slapd_logfile = "${PostgreSQL::Test::Utils::log_path}/slapd.log";
+my $ldap_conf = "${PostgreSQL::Test::Utils::tmp_check}/ldap.conf";
+my $ldap_server = 'localhost';
+my $ldap_port = PostgreSQL::Test::Cluster::get_free_port();
+my $ldaps_port = PostgreSQL::Test::Cluster::get_free_port();
+my $ldap_url = "ldap://$ldap_server:$ldap_port";
+my $ldaps_url = "ldaps://$ldap_server:$ldaps_port";
+my $ldap_basedn = 'dc=example,dc=net';
+my $ldap_rootdn = 'cn=Manager,dc=example,dc=net';
+my $ldap_rootpw = 'secret';
+my $ldap_pwfile = "${PostgreSQL::Test::Utils::tmp_check}/ldappassword";
+
+note "setting up slapd";
+
+append_to_file(
+ $slapd_conf,
+ qq{include $ldap_schema_dir/core.schema
+include $ldap_schema_dir/cosine.schema
+include $ldap_schema_dir/nis.schema
+include $ldap_schema_dir/inetorgperson.schema
+
+pidfile $slapd_pidfile
+logfile $slapd_logfile
+
+access to *
+ by * read
+ by anonymous auth
+
+database ldif
+directory $ldap_datadir
+
+TLSCACertificateFile $slapd_certs/ca.crt
+TLSCertificateFile $slapd_certs/server.crt
+TLSCertificateKeyFile $slapd_certs/server.key
+
+suffix "dc=example,dc=net"
+rootdn "$ldap_rootdn"
+rootpw $ldap_rootpw});
+
+# don't bother to check the server's cert (though perhaps we should)
+append_to_file(
+ $ldap_conf,
+ qq{TLS_REQCERT never
+});
+
+mkdir $ldap_datadir or die;
+mkdir $slapd_certs or die;
+
+system_or_bail "openssl", "req", "-new", "-nodes", "-keyout",
+ "$slapd_certs/ca.key", "-x509", "-out", "$slapd_certs/ca.crt", "-subj",
+ "/CN=CA";
+system_or_bail "openssl", "req", "-new", "-nodes", "-keyout",
+ "$slapd_certs/server.key", "-out", "$slapd_certs/server.csr", "-subj",
+ "/CN=server";
+system_or_bail "openssl", "x509", "-req", "-in", "$slapd_certs/server.csr",
+ "-CA", "$slapd_certs/ca.crt", "-CAkey", "$slapd_certs/ca.key",
+ "-CAcreateserial", "-out", "$slapd_certs/server.crt";
+
+# -s0 prevents log messages ending up in syslog
+system_or_bail $slapd, '-f', $slapd_conf,'-s0', '-h', "$ldap_url $ldaps_url";
+
+END
+{
+ kill 'INT', `cat $slapd_pidfile` if -f $slapd_pidfile;
+}
+
+append_to_file($ldap_pwfile, $ldap_rootpw);
+chmod 0600, $ldap_pwfile or die;
+
+# wait until slapd accepts requests
+my $retries = 0;
+while (1)
+{
+ last
+ if (
+ system_log(
+ "ldapsearch", "-sbase",
+ "-H", $ldap_url,
+ "-b", $ldap_basedn,
+ "-D", $ldap_rootdn,
+ "-y", $ldap_pwfile,
+ "-n", "'objectclass=*'") == 0);
+ die "cannot connect to slapd" if ++$retries >= 300;
+ note "waiting for slapd to accept requests...";
+ Time::HiRes::usleep(1000000);
+}
+
+$ENV{'LDAPURI'} = $ldap_url;
+$ENV{'LDAPBINDDN'} = $ldap_rootdn;
+$ENV{'LDAPCONF'} = $ldap_conf;
+
+note "loading LDAP data";
+
+system_or_bail 'ldapadd', '-x', '-y', $ldap_pwfile, '-f', 'authdata.ldif';
+system_or_bail 'ldappasswd', '-x', '-y', $ldap_pwfile, '-s', 'secret1',
+ 'uid=test1,dc=example,dc=net';
+system_or_bail 'ldappasswd', '-x', '-y', $ldap_pwfile, '-s', 'secret2',
+ 'uid=test2,dc=example,dc=net';
+
+note "setting up PostgreSQL instance";
+
+my $node = PostgreSQL::Test::Cluster->new('node');
+$node->init;
+$node->append_conf('postgresql.conf', "log_connections = on\n");
+$node->start;
+
+$node->safe_psql('postgres', 'CREATE USER test0;');
+$node->safe_psql('postgres', 'CREATE USER test1;');
+$node->safe_psql('postgres', 'CREATE USER "test2@example.net";');
+
+note "running tests";
+
+sub test_access
+{
+ local $Test::Builder::Level = $Test::Builder::Level + 1;
+
+ my ($node, $role, $expected_res, $test_name, %params) = @_;
+ my $connstr = "user=$role";
+
+ if ($expected_res eq 0)
+ {
+ $node->connect_ok($connstr, $test_name, %params);
+ }
+ else
+ {
+ # No checks of the error message, only the status code.
+ $node->connect_fails($connstr, $test_name, %params);
+ }
+}
+
+note "simple bind";
+
+unlink($node->data_dir . '/pg_hba.conf');
+$node->append_conf('pg_hba.conf',
+ qq{local all all ldap ldapserver=$ldap_server ldapport=$ldap_port ldapprefix="uid=" ldapsuffix=",dc=example,dc=net"}
+);
+$node->restart;
+
+$ENV{"PGPASSWORD"} = 'wrong';
+test_access(
+ $node, 'test0', 2,
+ 'simple bind authentication fails if user not found in LDAP',
+ log_unlike => [qr/connection authenticated:/]);
+test_access(
+ $node, 'test1', 2,
+ 'simple bind authentication fails with wrong password',
+ log_unlike => [qr/connection authenticated:/]);
+
+$ENV{"PGPASSWORD"} = 'secret1';
+test_access(
+ $node, 'test1', 0,
+ 'simple bind authentication succeeds',
+ log_like => [
+ qr/connection authenticated: identity="uid=test1,dc=example,dc=net" method=ldap/
+ ],);
+
+note "search+bind";
+
+unlink($node->data_dir . '/pg_hba.conf');
+$node->append_conf('pg_hba.conf',
+ qq{local all all ldap ldapserver=$ldap_server ldapport=$ldap_port ldapbasedn="$ldap_basedn"}
+);
+$node->restart;
+
+$ENV{"PGPASSWORD"} = 'wrong';
+test_access($node, 'test0', 2,
+ 'search+bind authentication fails if user not found in LDAP');
+test_access($node, 'test1', 2,
+ 'search+bind authentication fails with wrong password');
+$ENV{"PGPASSWORD"} = 'secret1';
+test_access(
+ $node, 'test1', 0,
+ 'search+bind authentication succeeds',
+ log_like => [
+ qr/connection authenticated: identity="uid=test1,dc=example,dc=net" method=ldap/
+ ],);
+
+note "multiple servers";
+
+unlink($node->data_dir . '/pg_hba.conf');
+$node->append_conf('pg_hba.conf',
+ qq{local all all ldap ldapserver="$ldap_server $ldap_server" ldapport=$ldap_port ldapbasedn="$ldap_basedn"}
+);
+$node->restart;
+
+$ENV{"PGPASSWORD"} = 'wrong';
+test_access($node, 'test0', 2,
+ 'search+bind authentication fails if user not found in LDAP');
+test_access($node, 'test1', 2,
+ 'search+bind authentication fails with wrong password');
+$ENV{"PGPASSWORD"} = 'secret1';
+test_access($node, 'test1', 0, 'search+bind authentication succeeds');
+
+note "LDAP URLs";
+
+unlink($node->data_dir . '/pg_hba.conf');
+$node->append_conf('pg_hba.conf',
+ qq{local all all ldap ldapurl="$ldap_url/$ldap_basedn?uid?sub"});
+$node->restart;
+
+$ENV{"PGPASSWORD"} = 'wrong';
+test_access($node, 'test0', 2,
+ 'search+bind with LDAP URL authentication fails if user not found in LDAP'
+);
+test_access($node, 'test1', 2,
+ 'search+bind with LDAP URL authentication fails with wrong password');
+$ENV{"PGPASSWORD"} = 'secret1';
+test_access($node, 'test1', 0,
+ 'search+bind with LDAP URL authentication succeeds');
+
+note "search filters";
+
+unlink($node->data_dir . '/pg_hba.conf');
+$node->append_conf('pg_hba.conf',
+ qq{local all all ldap ldapserver=$ldap_server ldapport=$ldap_port ldapbasedn="$ldap_basedn" ldapsearchfilter="(|(uid=\$username)(mail=\$username))"}
+);
+$node->restart;
+
+$ENV{"PGPASSWORD"} = 'secret1';
+test_access(
+ $node, 'test1', 0,
+ 'search filter finds by uid',
+ log_like => [
+ qr/connection authenticated: identity="uid=test1,dc=example,dc=net" method=ldap/
+ ],);
+$ENV{"PGPASSWORD"} = 'secret2';
+test_access(
+ $node,
+ 'test2@example.net',
+ 0,
+ 'search filter finds by mail',
+ log_like => [
+ qr/connection authenticated: identity="uid=test2,dc=example,dc=net" method=ldap/
+ ],);
+
+note "search filters in LDAP URLs";
+
+unlink($node->data_dir . '/pg_hba.conf');
+$node->append_conf('pg_hba.conf',
+ qq{local all all ldap ldapurl="$ldap_url/$ldap_basedn??sub?(|(uid=\$username)(mail=\$username))"}
+);
+$node->restart;
+
+$ENV{"PGPASSWORD"} = 'secret1';
+test_access($node, 'test1', 0, 'search filter finds by uid');
+$ENV{"PGPASSWORD"} = 'secret2';
+test_access($node, 'test2@example.net', 0, 'search filter finds by mail');
+
+# This is not documented: You can combine ldapurl and other ldap*
+# settings. ldapurl is always parsed first, then the other settings
+# override. It might be useful in a case like this.
+unlink($node->data_dir . '/pg_hba.conf');
+$node->append_conf('pg_hba.conf',
+ qq{local all all ldap ldapurl="$ldap_url/$ldap_basedn??sub" ldapsearchfilter="(|(uid=\$username)(mail=\$username))"}
+);
+$node->restart;
+
+$ENV{"PGPASSWORD"} = 'secret1';
+test_access($node, 'test1', 0, 'combined LDAP URL and search filter');
+
+note "diagnostic message";
+
+# note bad ldapprefix with a question mark that triggers a diagnostic message
+unlink($node->data_dir . '/pg_hba.conf');
+$node->append_conf('pg_hba.conf',
+ qq{local all all ldap ldapserver=$ldap_server ldapport=$ldap_port ldapprefix="?uid=" ldapsuffix=""}
+);
+$node->restart;
+
+$ENV{"PGPASSWORD"} = 'secret1';
+test_access($node, 'test1', 2, 'any attempt fails due to bad search pattern');
+
+note "TLS";
+
+# request StartTLS with ldaptls=1
+unlink($node->data_dir . '/pg_hba.conf');
+$node->append_conf('pg_hba.conf',
+ qq{local all all ldap ldapserver=$ldap_server ldapport=$ldap_port ldapbasedn="$ldap_basedn" ldapsearchfilter="(uid=\$username)" ldaptls=1}
+);
+$node->restart;
+
+$ENV{"PGPASSWORD"} = 'secret1';
+test_access($node, 'test1', 0, 'StartTLS');
+
+# request LDAPS with ldapscheme=ldaps
+unlink($node->data_dir . '/pg_hba.conf');
+$node->append_conf('pg_hba.conf',
+ qq{local all all ldap ldapserver=$ldap_server ldapscheme=ldaps ldapport=$ldaps_port ldapbasedn="$ldap_basedn" ldapsearchfilter="(uid=\$username)"}
+);
+$node->restart;
+
+$ENV{"PGPASSWORD"} = 'secret1';
+test_access($node, 'test1', 0, 'LDAPS');
+
+# request LDAPS with ldapurl=ldaps://...
+unlink($node->data_dir . '/pg_hba.conf');
+$node->append_conf('pg_hba.conf',
+ qq{local all all ldap ldapurl="$ldaps_url/$ldap_basedn??sub?(uid=\$username)"}
+);
+$node->restart;
+
+$ENV{"PGPASSWORD"} = 'secret1';
+test_access($node, 'test1', 0, 'LDAPS with URL');
+
+# bad combination of LDAPS and StartTLS
+unlink($node->data_dir . '/pg_hba.conf');
+$node->append_conf('pg_hba.conf',
+ qq{local all all ldap ldapurl="$ldaps_url/$ldap_basedn??sub?(uid=\$username)" ldaptls=1}
+);
+$node->restart;
+
+$ENV{"PGPASSWORD"} = 'secret1';
+test_access($node, 'test1', 2, 'bad combination of LDAPS and StartTLS');
+
+done_testing();
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-10 00:56:07 +0000