diff options
| -rw-r--r-- | data/templates/ipsec/swanctl.conf.j2 | 2 | ||||
| -rw-r--r-- | data/templates/ipsec/swanctl/remote_access.j2 | 7 | ||||
| -rw-r--r-- | interface-definitions/include/ipsec/bind.xml.i | 10 | ||||
| -rw-r--r-- | interface-definitions/vpn_ipsec.xml.in | 49 | ||||
| -rwxr-xr-x | smoketest/scripts/cli/test_vpn_ipsec.py | 256 | ||||
| -rwxr-xr-x | src/conf_mode/vpn_ipsec.py | 74 |
6 files changed, 382 insertions, 16 deletions
diff --git a/data/templates/ipsec/swanctl.conf.j2 b/data/templates/ipsec/swanctl.conf.j2 index d44d0f5e4..698a9135e 100644 --- a/data/templates/ipsec/swanctl.conf.j2 +++ b/data/templates/ipsec/swanctl.conf.j2 @@ -31,6 +31,8 @@ pools { {{ pool }} { {% if pool_config.prefix is vyos_defined %} addrs = {{ pool_config.prefix }} +{% elif pool_config.range is vyos_defined %} + addrs = {{ pool_config.range.start }}-{{ pool_config.range.stop }} {% endif %} {% if pool_config.name_server is vyos_defined %} dns = {{ pool_config.name_server | join(',') }} diff --git a/data/templates/ipsec/swanctl/remote_access.j2 b/data/templates/ipsec/swanctl/remote_access.j2 index e384ae972..a3b61f781 100644 --- a/data/templates/ipsec/swanctl/remote_access.j2 +++ b/data/templates/ipsec/swanctl/remote_access.j2 @@ -69,6 +69,13 @@ {% set local_port = rw_conf.local.port if rw_conf.local.port is vyos_defined else '' %} {% set local_suffix = '[%any/{1}]'.format(local_port) if local_port else '' %} local_ts = {{ local_prefix | join(local_suffix + ",") }}{{ local_suffix }} +{% if rw_conf.bind is vyos_defined %} +{# The key defaults to 0 and will match any policies which similarly do not have a lookup key configuration. #} +{# Thus we simply shift the key by one to also support a vti0 interface #} +{% set if_id = rw_conf.bind | replace('vti', '') | int + 1 %} + if_id_in = {{ if_id }} + if_id_out = {{ if_id }} +{% endif %} } } } diff --git a/interface-definitions/include/ipsec/bind.xml.i b/interface-definitions/include/ipsec/bind.xml.i new file mode 100644 index 000000000..edc46d403 --- /dev/null +++ b/interface-definitions/include/ipsec/bind.xml.i @@ -0,0 +1,10 @@ +<!-- include start from ipsec/bind.xml.i --> +<leafNode name="bind"> + <properties> + <help>VTI tunnel interface associated with this configuration</help> + <completionHelp> + <path>interfaces vti</path> + </completionHelp> + </properties> +</leafNode> +<!-- include end --> diff --git a/interface-definitions/vpn_ipsec.xml.in b/interface-definitions/vpn_ipsec.xml.in index 4a7fde75b..d9d6fd93b 100644 --- a/interface-definitions/vpn_ipsec.xml.in +++ b/interface-definitions/vpn_ipsec.xml.in @@ -854,6 +854,7 @@ #include <include/dhcp-interface.xml.i> #include <include/ipsec/local-traffic-selector.xml.i> #include <include/ipsec/replay-window.xml.i> + #include <include/ipsec/bind.xml.i> <leafNode name="timeout"> <properties> <help>Timeout to close connection if no data is transmitted</help> @@ -978,6 +979,45 @@ </constraint> </properties> </leafNode> + <node name="range"> + <properties> + <help>Local IPv4 or IPv6 pool range</help> + </properties> + <children> + <leafNode name="start"> + <properties> + <help>First IP address for local pool range</help> + <valueHelp> + <format>ipv4</format> + <description>IPv4 start address of pool</description> + </valueHelp> + <valueHelp> + <format>ipv6</format> + <description>IPv6 start address of pool</description> + </valueHelp> + <constraint> + <validator name="ip-address"/> + </constraint> + </properties> + </leafNode> + <leafNode name="stop"> + <properties> + <help>Last IP address for local pool range</help> + <valueHelp> + <format>ipv4</format> + <description>IPv4 end address of pool</description> + </valueHelp> + <valueHelp> + <format>ipv6</format> + <description>IPv6 end address of pool</description> + </valueHelp> + <constraint> + <validator name="ip-address"/> + </constraint> + </properties> + </leafNode> + </children> + </node> #include <include/name-server-ipv4-ipv6.xml.i> </children> </tagNode> @@ -1201,14 +1241,7 @@ <help>Virtual tunnel interface</help> </properties> <children> - <leafNode name="bind"> - <properties> - <help>VTI tunnel interface associated with this configuration</help> - <completionHelp> - <path>interfaces vti</path> - </completionHelp> - </properties> - </leafNode> + #include <include/ipsec/bind.xml.i> #include <include/ipsec/esp-group.xml.i> </children> </node> diff --git a/smoketest/scripts/cli/test_vpn_ipsec.py b/smoketest/scripts/cli/test_vpn_ipsec.py index 2dc66485b..2674b37b6 100755 --- a/smoketest/scripts/cli/test_vpn_ipsec.py +++ b/smoketest/scripts/cli/test_vpn_ipsec.py @@ -1086,5 +1086,261 @@ class TestVPNIPsec(VyOSUnitTestSHIM.TestCase): self.tearDownPKI() + def test_remote_access_pool_range(self): + # Same as test_remote_access but using an IP pool range instead of prefix + self.setupPKI() + + ike_group = 'IKE-RW' + esp_group = 'ESP-RW' + + conn_name = 'vyos-rw' + local_address = '192.0.2.1' + ip_pool_name = 'ra-rw-ipv4' + username = 'vyos' + password = 'secret' + ike_lifetime = '7200' + eap_lifetime = '3600' + local_id = 'ipsec.vyos.net' + + name_servers = ['172.16.254.100', '172.16.254.101'] + range_start = '172.16.250.2' + range_stop = '172.16.250.254' + + # IKE + self.cli_set(base_path + ['ike-group', ike_group, 'key-exchange', 'ikev2']) + self.cli_set(base_path + ['ike-group', ike_group, 'lifetime', ike_lifetime]) + self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '1', 'dh-group', '14']) + self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '1', 'encryption', 'aes256']) + self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '1', 'hash', 'sha512']) + self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '2', 'dh-group', '14']) + self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '2', 'encryption', 'aes256']) + self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '2', 'hash', 'sha256']) + self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '3', 'dh-group', '2']) + self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '3', 'encryption', 'aes256']) + self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '3', 'hash', 'sha256']) + self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '10', 'dh-group', '14']) + self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '10', 'encryption', 'aes128gcm128']) + self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '10', 'hash', 'sha256']) + + # ESP + self.cli_set(base_path + ['esp-group', esp_group, 'lifetime', eap_lifetime]) + self.cli_set(base_path + ['esp-group', esp_group, 'pfs', 'disable']) + self.cli_set(base_path + ['esp-group', esp_group, 'proposal', '1', 'encryption', 'aes256']) + self.cli_set(base_path + ['esp-group', esp_group, 'proposal', '1', 'hash', 'sha512']) + self.cli_set(base_path + ['esp-group', esp_group, 'proposal', '2', 'encryption', 'aes256']) + self.cli_set(base_path + ['esp-group', esp_group, 'proposal', '2', 'hash', 'sha384']) + self.cli_set(base_path + ['esp-group', esp_group, 'proposal', '3', 'encryption', 'aes256']) + self.cli_set(base_path + ['esp-group', esp_group, 'proposal', '3', 'hash', 'sha256']) + self.cli_set(base_path + ['esp-group', esp_group, 'proposal', '4', 'encryption', 'aes256']) + self.cli_set(base_path + ['esp-group', esp_group, 'proposal', '4', 'hash', 'sha1']) + self.cli_set(base_path + ['esp-group', esp_group, 'proposal', '10', 'encryption', 'aes128gcm128']) + self.cli_set(base_path + ['esp-group', esp_group, 'proposal', '10', 'hash', 'sha256']) + + self.cli_set(base_path + ['remote-access', 'connection', conn_name, 'authentication', 'local-id', local_id]) + self.cli_set(base_path + ['remote-access', 'connection', conn_name, 'authentication', 'local-users', 'username', username, 'password', password]) + self.cli_set(base_path + ['remote-access', 'connection', conn_name, 'authentication', 'server-mode', 'x509']) + + self.cli_set(base_path + ['remote-access', 'connection', conn_name, 'authentication', 'x509', 'certificate', peer_name]) + # verify() - CA cert required for x509 auth + with self.assertRaises(ConfigSessionError): + self.cli_commit() + self.cli_set(base_path + ['remote-access', 'connection', conn_name, 'authentication', 'x509', 'ca-certificate', ca_name]) + + self.cli_set(base_path + ['remote-access', 'connection', conn_name, 'esp-group', esp_group]) + self.cli_set(base_path + ['remote-access', 'connection', conn_name, 'ike-group', ike_group]) + self.cli_set(base_path + ['remote-access', 'connection', conn_name, 'local-address', local_address]) + self.cli_set(base_path + ['remote-access', 'connection', conn_name, 'pool', ip_pool_name]) + + for ns in name_servers: + self.cli_set(base_path + ['remote-access', 'pool', ip_pool_name, 'name-server', ns]) + self.cli_set(base_path + ['remote-access', 'pool', ip_pool_name, 'range', 'start', range_start]) + self.cli_set(base_path + ['remote-access', 'pool', ip_pool_name, 'range', 'stop', range_stop]) + + self.cli_commit() + + # verify applied configuration + swanctl_conf = read_file(swanctl_file) + swanctl_lines = [ + f'{conn_name}', + f'remote_addrs = %any', + f'local_addrs = {local_address}', + f'proposals = aes256-sha512-modp2048,aes256-sha256-modp2048,aes256-sha256-modp1024,aes128gcm128-sha256-modp2048', + f'version = 2', + f'send_certreq = no', + f'rekey_time = {ike_lifetime}s', + f'keyingtries = 0', + f'pools = {ip_pool_name}', + f'id = "{local_id}"', + f'auth = pubkey', + f'certs = peer1.pem', + f'auth = eap-mschapv2', + f'eap_id = %any', + f'esp_proposals = aes256-sha512,aes256-sha384,aes256-sha256,aes256-sha1,aes128gcm128-sha256', + f'life_time = {eap_lifetime}s', + f'dpd_action = clear', + f'replay_window = 32', + f'inactivity = 28800', + f'local_ts = 0.0.0.0/0,::/0', + ] + for line in swanctl_lines: + self.assertIn(line, swanctl_conf) + + swanctl_secrets_lines = [ + f'eap-{conn_name}-{username}', + f'secret = "{password}"', + f'id-{conn_name}-{username} = "{username}"', + ] + for line in swanctl_secrets_lines: + self.assertIn(line, swanctl_conf) + + swanctl_pool_lines = [ + f'{ip_pool_name}', + f'addrs = {range_start}-{range_stop}', + f'dns = {",".join(name_servers)}', + ] + for line in swanctl_pool_lines: + self.assertIn(line, swanctl_conf) + + # Check Root CA, Intermediate CA and Peer cert/key pair is present + self.assertTrue(os.path.exists(os.path.join(CA_PATH, f'{ca_name}.pem'))) + self.assertTrue(os.path.exists(os.path.join(CERT_PATH, f'{peer_name}.pem'))) + + self.tearDownPKI() + + def test_remote_access_vti(self): + # Set up and use a VTI interface for the remote access VPN + self.setupPKI() + + ike_group = 'IKE-RW' + esp_group = 'ESP-RW' + + conn_name = 'vyos-rw' + local_address = '192.0.2.1' + vti = 'vti10' + ip_pool_name = 'ra-rw-ipv4' + username = 'vyos' + password = 'secret' + ike_lifetime = '7200' + eap_lifetime = '3600' + local_id = 'ipsec.vyos.net' + + name_servers = ['10.1.1.1'] + range_start = '10.1.1.10' + range_stop = '10.1.1.254' + + # VTI interface + self.cli_set(vti_path + [vti, 'address', '10.1.1.1/24']) + + # IKE + self.cli_set(base_path + ['ike-group', ike_group, 'key-exchange', 'ikev2']) + self.cli_set(base_path + ['ike-group', ike_group, 'lifetime', ike_lifetime]) + self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '1', 'dh-group', '14']) + self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '1', 'encryption', 'aes256']) + self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '1', 'hash', 'sha512']) + self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '2', 'dh-group', '14']) + self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '2', 'encryption', 'aes256']) + self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '2', 'hash', 'sha256']) + self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '3', 'dh-group', '2']) + self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '3', 'encryption', 'aes256']) + self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '3', 'hash', 'sha256']) + self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '10', 'dh-group', '14']) + self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '10', 'encryption', 'aes128gcm128']) + self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '10', 'hash', 'sha256']) + + # ESP + self.cli_set(base_path + ['esp-group', esp_group, 'lifetime', eap_lifetime]) + self.cli_set(base_path + ['esp-group', esp_group, 'pfs', 'disable']) + self.cli_set(base_path + ['esp-group', esp_group, 'proposal', '1', 'encryption', 'aes256']) + self.cli_set(base_path + ['esp-group', esp_group, 'proposal', '1', 'hash', 'sha512']) + self.cli_set(base_path + ['esp-group', esp_group, 'proposal', '2', 'encryption', 'aes256']) + self.cli_set(base_path + ['esp-group', esp_group, 'proposal', '2', 'hash', 'sha384']) + self.cli_set(base_path + ['esp-group', esp_group, 'proposal', '3', 'encryption', 'aes256']) + self.cli_set(base_path + ['esp-group', esp_group, 'proposal', '3', 'hash', 'sha256']) + self.cli_set(base_path + ['esp-group', esp_group, 'proposal', '4', 'encryption', 'aes256']) + self.cli_set(base_path + ['esp-group', esp_group, 'proposal', '4', 'hash', 'sha1']) + self.cli_set(base_path + ['esp-group', esp_group, 'proposal', '10', 'encryption', 'aes128gcm128']) + self.cli_set(base_path + ['esp-group', esp_group, 'proposal', '10', 'hash', 'sha256']) + + self.cli_set(base_path + ['remote-access', 'connection', conn_name, 'authentication', 'local-id', local_id]) + self.cli_set(base_path + ['remote-access', 'connection', conn_name, 'authentication', 'local-users', 'username', username, 'password', password]) + self.cli_set(base_path + ['remote-access', 'connection', conn_name, 'authentication', 'server-mode', 'x509']) + + self.cli_set(base_path + ['remote-access', 'connection', conn_name, 'authentication', 'x509', 'certificate', peer_name]) + # verify() - CA cert required for x509 auth + with self.assertRaises(ConfigSessionError): + self.cli_commit() + self.cli_set(base_path + ['remote-access', 'connection', conn_name, 'authentication', 'x509', 'ca-certificate', ca_name]) + + self.cli_set(base_path + ['remote-access', 'connection', conn_name, 'esp-group', esp_group]) + self.cli_set(base_path + ['remote-access', 'connection', conn_name, 'ike-group', ike_group]) + self.cli_set(base_path + ['remote-access', 'connection', conn_name, 'bind', vti]) + self.cli_set(base_path + ['remote-access', 'connection', conn_name, 'local-address', local_address]) + self.cli_set(base_path + ['remote-access', 'connection', conn_name, 'pool', ip_pool_name]) + + for ns in name_servers: + self.cli_set(base_path + ['remote-access', 'pool', ip_pool_name, 'name-server', ns]) + self.cli_set(base_path + ['remote-access', 'pool', ip_pool_name, 'range', 'start', range_start]) + self.cli_set(base_path + ['remote-access', 'pool', ip_pool_name, 'range', 'stop', range_stop]) + + self.cli_commit() + + # verify applied configuration + swanctl_conf = read_file(swanctl_file) + + if_id = vti.lstrip('vti') + # The key defaults to 0 and will match any policies which similarly do + # not have a lookup key configuration - thus we shift the key by one + # to also support a vti0 interface + if_id = str(int(if_id) +1) + + swanctl_lines = [ + f'{conn_name}', + f'remote_addrs = %any', + f'local_addrs = {local_address}', + f'proposals = aes256-sha512-modp2048,aes256-sha256-modp2048,aes256-sha256-modp1024,aes128gcm128-sha256-modp2048', + f'version = 2', + f'send_certreq = no', + f'rekey_time = {ike_lifetime}s', + f'keyingtries = 0', + f'pools = {ip_pool_name}', + f'id = "{local_id}"', + f'auth = pubkey', + f'certs = peer1.pem', + f'auth = eap-mschapv2', + f'eap_id = %any', + f'esp_proposals = aes256-sha512,aes256-sha384,aes256-sha256,aes256-sha1,aes128gcm128-sha256', + f'life_time = {eap_lifetime}s', + f'dpd_action = clear', + f'replay_window = 32', + f'if_id_in = {if_id}', # will be 11 for vti10 - shifted by one + f'if_id_out = {if_id}', + f'inactivity = 28800', + f'local_ts = 0.0.0.0/0,::/0', + ] + for line in swanctl_lines: + self.assertIn(line, swanctl_conf) + + swanctl_secrets_lines = [ + f'eap-{conn_name}-{username}', + f'secret = "{password}"', + f'id-{conn_name}-{username} = "{username}"', + ] + for line in swanctl_secrets_lines: + self.assertIn(line, swanctl_conf) + + swanctl_pool_lines = [ + f'{ip_pool_name}', + f'addrs = {range_start}-{range_stop}', + f'dns = {",".join(name_servers)}', + ] + for line in swanctl_pool_lines: + self.assertIn(line, swanctl_conf) + + # Check Root CA, Intermediate CA and Peer cert/key pair is present + self.assertTrue(os.path.exists(os.path.join(CA_PATH, f'{ca_name}.pem'))) + self.assertTrue(os.path.exists(os.path.join(CERT_PATH, f'{peer_name}.pem'))) + + self.tearDownPKI() + if __name__ == '__main__': unittest.main(verbosity=2) diff --git a/src/conf_mode/vpn_ipsec.py b/src/conf_mode/vpn_ipsec.py index cf82b767f..2c1ddc245 100755 --- a/src/conf_mode/vpn_ipsec.py +++ b/src/conf_mode/vpn_ipsec.py @@ -21,6 +21,9 @@ import jmespath from sys import exit from time import sleep +from ipaddress import ip_address +from netaddr import IPNetwork +from netaddr import IPRange from vyos.base import Warning from vyos.config import Config @@ -304,6 +307,14 @@ def verify(ipsec): if dict_search('remote_access.radius.server', ipsec) == None: raise ConfigError('RADIUS authentication requires at least one server') + if 'bind' in ra_conf: + if dict_search('options.disable_route_autoinstall', ipsec) == None: + Warning('It\'s recommended to use ipsec vti with the next command\n[set vpn ipsec option disable-route-autoinstall]') + + vti_interface = ra_conf['bind'] + if not os.path.exists(f'/sys/class/net/{vti_interface}'): + raise ConfigError(f'VTI interface {vti_interface} for remote-access connection {name} does not exist!') + if 'pool' in ra_conf: if {'dhcp', 'radius'} <= set(ra_conf['pool']): raise ConfigError(f'Can not use both DHCP and RADIUS for address allocation '\ @@ -330,26 +341,73 @@ def verify(ipsec): raise ConfigError(f'Requested pool "{pool}" does not exist!') if 'pool' in ipsec['remote_access']: + pool_networks = [] for pool, pool_config in ipsec['remote_access']['pool'].items(): - if 'prefix' not in pool_config: - raise ConfigError(f'Missing madatory prefix option for pool "{pool}"!') + if 'prefix' not in pool_config and 'range' not in pool_config: + raise ConfigError(f'Mandatory prefix or range must be specified for pool "{pool}"!') + + if 'prefix' in pool_config and 'range' in pool_config: + raise ConfigError(f'Only one of prefix or range can be specified for pool "{pool}"!') + + if 'prefix' in pool_config: + range_is_ipv4 = is_ipv4(pool_config['prefix']) + range_is_ipv6 = is_ipv6(pool_config['prefix']) + + net = IPNetwork(pool_config['prefix']) + start = net.first + stop = net.last + for network in pool_networks: + if start in network or stop in network: + raise ConfigError(f'Prefix for pool "{pool}" is already part of another pool\'s range!') + + tmp = IPRange(start, stop) + pool_networks.append(tmp) + + if 'range' in pool_config: + range_config = pool_config['range'] + if not {'start', 'stop'} <= set(range_config.keys()): + raise ConfigError(f'Range start and stop address must be defined for pool "{pool}"!') + + range_both_ipv4 = is_ipv4(range_config['start']) and is_ipv4(range_config['stop']) + range_both_ipv6 = is_ipv6(range_config['start']) and is_ipv6(range_config['stop']) + + if not (range_both_ipv4 or range_both_ipv6): + raise ConfigError(f'Range start and stop must be of the same address family for pool "{pool}"!') + + if ip_address(range_config['stop']) < ip_address(range_config['start']): + raise ConfigError(f'Range stop address must be greater or equal\n' \ + 'to the range\'s start address for pool "{pool}"!') + + range_is_ipv4 = is_ipv4(range_config['start']) + range_is_ipv6 = is_ipv6(range_config['start']) + + start = range_config['start'] + stop = range_config['stop'] + for network in pool_networks: + if start in network: + raise ConfigError(f'Range "{range}" start address "{start}" already part of another pool\'s range!') + if stop in network: + raise ConfigError(f'Range "{range}" stop address "{stop}" already part of another pool\'s range!') + + tmp = IPRange(start, stop) + pool_networks.append(tmp) if 'name_server' in pool_config: if len(pool_config['name_server']) > 2: raise ConfigError(f'Only two name-servers are supported for remote-access pool "{pool}"!') for ns in pool_config['name_server']: - v4_addr_and_ns = is_ipv4(ns) and not is_ipv4(pool_config['prefix']) - v6_addr_and_ns = is_ipv6(ns) and not is_ipv6(pool_config['prefix']) + v4_addr_and_ns = is_ipv4(ns) and not range_is_ipv4 + v6_addr_and_ns = is_ipv6(ns) and not range_is_ipv6 if v4_addr_and_ns or v6_addr_and_ns: - raise ConfigError('Must use both IPv4 or IPv6 addresses for pool prefix and name-server adresses!') + raise ConfigError('Must use both IPv4 or IPv6 addresses for pool prefix/range and name-server addresses!') if 'exclude' in pool_config: for exclude in pool_config['exclude']: - v4_addr_and_exclude = is_ipv4(exclude) and not is_ipv4(pool_config['prefix']) - v6_addr_and_exclude = is_ipv6(exclude) and not is_ipv6(pool_config['prefix']) + v4_addr_and_exclude = is_ipv4(exclude) and not range_is_ipv4 + v6_addr_and_exclude = is_ipv6(exclude) and not range_is_ipv6 if v4_addr_and_exclude or v6_addr_and_exclude: - raise ConfigError('Must use both IPv4 or IPv6 addresses for pool prefix and exclude prefixes!') + raise ConfigError('Must use both IPv4 or IPv6 addresses for pool prefix/range and exclude prefixes!') if 'radius' in ipsec['remote_access'] and 'server' in ipsec['remote_access']['radius']: for server, server_config in ipsec['remote_access']['radius']['server'].items(): |