diff options
| -rw-r--r-- | data/templates/dhcp-client/override.conf.j2 | 3 | ||||
| -rw-r--r-- | data/templates/high-availability/keepalived.conf.j2 | 4 | ||||
| -rw-r--r-- | data/templates/ipsec/swanctl/remote_access.j2 | 2 | ||||
| -rw-r--r-- | interface-definitions/high-availability.xml.in | 23 | ||||
| -rw-r--r-- | interface-definitions/include/ipsec/authentication-x509.xml.i | 2 | ||||
| -rw-r--r-- | interface-definitions/vpn_ipsec.xml.in | 1 | ||||
| -rw-r--r-- | op-mode-definitions/dhcp.xml.in | 4 | ||||
| -rw-r--r-- | python/vyos/opmode.py | 2 | ||||
| -rw-r--r-- | python/vyos/system/grub.py | 2 | ||||
| -rwxr-xr-x | smoketest/scripts/cli/test_vpn_ipsec.py | 80 | ||||
| -rwxr-xr-x | src/conf_mode/vpn_ipsec.py | 86 | ||||
| -rwxr-xr-x | src/etc/dhcp/dhclient-exit-hooks.d/99-ipsec-dhclient-hook | 77 | ||||
| -rwxr-xr-x | src/op_mode/dhcp.py | 32 | ||||
| -rw-r--r-- | src/systemd/dhclient@.service | 1 |
14 files changed, 205 insertions, 114 deletions
diff --git a/data/templates/dhcp-client/override.conf.j2 b/data/templates/dhcp-client/override.conf.j2 index d09320270..c2e059c7b 100644 --- a/data/templates/dhcp-client/override.conf.j2 +++ b/data/templates/dhcp-client/override.conf.j2 @@ -3,9 +3,6 @@ {% set if_metric = '-e IF_METRIC=' ~ dhcp_options.default_route_distance if dhcp_options.default_route_distance is vyos_defined else '' %} {% set dhclient_options = '-d -nw -cf ' ~ isc_dhclient_dir ~ '/dhclient_' ~ ifname ~ '.conf -pf ' ~ isc_dhclient_dir ~ '/dhclient_' ~ ifname ~ '.pid -lf ' ~ isc_dhclient_dir ~ '/dhclient_' ~ ifname ~ '.leases ' ~ if_metric %} -[Unit] -ConditionPathExists={{ isc_dhclient_dir }}/dhclient_%i.conf - [Service] ExecStart= ExecStart={{ vrf_command }}/sbin/dhclient -4 {{ dhclient_options }} {{ ifname }} diff --git a/data/templates/high-availability/keepalived.conf.j2 b/data/templates/high-availability/keepalived.conf.j2 index 240161748..c0d66ae54 100644 --- a/data/templates/high-availability/keepalived.conf.j2 +++ b/data/templates/high-availability/keepalived.conf.j2 @@ -138,8 +138,8 @@ vrrp_instance {{ name }} { {% endif %} {% if group_config.excluded_address is vyos_defined %} virtual_ipaddress_excluded { -{% for addr in group_config.excluded_address %} - {{ addr }} +{% for addr, addr_config in group_config.excluded_address.items() %} + {{ addr }}{{ ' dev ' + addr_config.interface if addr_config.interface is vyos_defined }} {% endfor %} } {% endif %} diff --git a/data/templates/ipsec/swanctl/remote_access.j2 b/data/templates/ipsec/swanctl/remote_access.j2 index bce8684fe..af7f2994e 100644 --- a/data/templates/ipsec/swanctl/remote_access.j2 +++ b/data/templates/ipsec/swanctl/remote_access.j2 @@ -4,7 +4,7 @@ {% set esp = esp_group[rw_conf.esp_group] %} ra-{{ name }} { remote_addrs = %any - local_addrs = {{ rw_conf.local_address if rw_conf.local_address is vyos_defined else '%any' }} + local_addrs = {{ rw_conf.local_address if rw_conf.local_address is not vyos_defined('any') else '%any' }} # dhcp:{{ rw_conf.dhcp_interface if rw_conf.dhcp_interface is vyos_defined else 'no' }} proposals = {{ ike_group[rw_conf.ike_group] | get_esp_ike_cipher | join(',') }} version = {{ ike.key_exchange[4:] if ike.key_exchange is vyos_defined else "0" }} send_certreq = no diff --git a/interface-definitions/high-availability.xml.in b/interface-definitions/high-availability.xml.in index 558404882..7108aa06c 100644 --- a/interface-definitions/high-availability.xml.in +++ b/interface-definitions/high-availability.xml.in @@ -294,25 +294,34 @@ #include <include/generic-interface-broadcast.xml.i> </children> </tagNode> - <leafNode name="excluded-address"> + <tagNode name="excluded-address"> <properties> <help>Virtual address (If you need additional IPv4 and IPv6 in same group)</help> <valueHelp> + <format>ipv4net</format> + <description>IPv4 address and prefix length</description> + </valueHelp> + <valueHelp> + <format>ipv6net</format> + <description>IPv6 address and prefix length</description> + </valueHelp> + <valueHelp> <format>ipv4</format> - <description>IP address</description> + <description>IPv4 address</description> </valueHelp> <valueHelp> <format>ipv6</format> <description>IPv6 address</description> </valueHelp> - <multi/> <constraint> - <validator name="ipv4-host"/> - <validator name="ipv6-host"/> + <validator name="ip-host"/> + <validator name="ip-address"/> </constraint> - <constraintErrorMessage>Virtual address must be a valid IPv4 or IPv6 address with prefix length (e.g. 192.0.2.3/24 or 2001:db8:ff::10/64)</constraintErrorMessage> </properties> - </leafNode> + <children> + #include <include/generic-interface-broadcast.xml.i> + </children> + </tagNode> <leafNode name="vrid"> <properties> <help>Virtual router identifier</help> diff --git a/interface-definitions/include/ipsec/authentication-x509.xml.i b/interface-definitions/include/ipsec/authentication-x509.xml.i index db675c0bf..1d04c94ba 100644 --- a/interface-definitions/include/ipsec/authentication-x509.xml.i +++ b/interface-definitions/include/ipsec/authentication-x509.xml.i @@ -5,7 +5,7 @@ </properties> <children> #include <include/pki/certificate-key.xml.i> - #include <include/pki/ca-certificate.xml.i> + #include <include/pki/ca-certificate-multi.xml.i> </children> </node> <!-- include end --> diff --git a/interface-definitions/vpn_ipsec.xml.in b/interface-definitions/vpn_ipsec.xml.in index 44ca1c7a0..833019d68 100644 --- a/interface-definitions/vpn_ipsec.xml.in +++ b/interface-definitions/vpn_ipsec.xml.in @@ -825,6 +825,7 @@ #include <include/ipsec/esp-group.xml.i> #include <include/ipsec/ike-group.xml.i> #include <include/ipsec/local-address.xml.i> + #include <include/dhcp-interface.xml.i> #include <include/ipsec/local-traffic-selector.xml.i> #include <include/ipsec/replay-window.xml.i> <leafNode name="timeout"> diff --git a/op-mode-definitions/dhcp.xml.in b/op-mode-definitions/dhcp.xml.in index 9c2e2be76..97af506db 100644 --- a/op-mode-definitions/dhcp.xml.in +++ b/op-mode-definitions/dhcp.xml.in @@ -211,7 +211,7 @@ <script>${vyos_completion_dir}/list_interfaces</script> </completionHelp> </properties> - <command>sudo systemctl restart "dhclient@$4.service"</command> + <command>sudo ${vyos_op_scripts_dir}/dhcp.py renew_client_lease --family inet --interface "$4"</command> </tagNode> </children> </node> @@ -227,7 +227,7 @@ <script>${vyos_completion_dir}/list_interfaces</script> </completionHelp> </properties> - <command>sudo systemctl restart "dhcp6c@$4.service"</command> + <command>sudo ${vyos_op_scripts_dir}/dhcp.py renew_client_lease --family inet6 --interface "$4"</command> </tagNode> </children> </node> diff --git a/python/vyos/opmode.py b/python/vyos/opmode.py index e1af1a682..8dab9a4ca 100644 --- a/python/vyos/opmode.py +++ b/python/vyos/opmode.py @@ -81,7 +81,7 @@ class InternalError(Error): def _is_op_mode_function_name(name): - if re.match(r"^(show|clear|reset|restart|add|update|delete|generate|set)", name): + if re.match(r"^(show|clear|reset|restart|add|update|delete|generate|set|renew)", name): return True else: return False diff --git a/python/vyos/system/grub.py b/python/vyos/system/grub.py index 864ed65aa..e56f0bec8 100644 --- a/python/vyos/system/grub.py +++ b/python/vyos/system/grub.py @@ -374,7 +374,7 @@ def create_structure(root_dir: str = '') -> None: if not root_dir: root_dir = disk.find_persistence() - Path(f'{root_dir}/GRUB_DIR_VYOS_VERS').mkdir(parents=True, exist_ok=True) + Path(f'{root_dir}/{GRUB_DIR_VYOS_VERS}').mkdir(parents=True, exist_ok=True) def set_console_type(console_type: str, root_dir: str = '') -> None: diff --git a/smoketest/scripts/cli/test_vpn_ipsec.py b/smoketest/scripts/cli/test_vpn_ipsec.py index 09e10a2c4..ab832e91e 100755 --- a/smoketest/scripts/cli/test_vpn_ipsec.py +++ b/smoketest/scripts/cli/test_vpn_ipsec.py @@ -31,7 +31,7 @@ nhrp_path = ['protocols', 'nhrp'] base_path = ['vpn', 'ipsec'] charon_file = '/etc/strongswan.d/charon.conf' -dhcp_waiting_file = '/tmp/ipsec_dhcp_waiting' +dhcp_interfaces_file = '/tmp/ipsec_dhcp_interfaces' swanctl_file = '/etc/swanctl/swanctl.conf' peer_ip = '203.0.113.45' @@ -178,10 +178,10 @@ class TestVPNIPsec(VyOSUnitTestSHIM.TestCase): self.cli_commit() - self.assertTrue(os.path.exists(dhcp_waiting_file)) + self.assertTrue(os.path.exists(dhcp_interfaces_file)) - dhcp_waiting = read_file(dhcp_waiting_file) - self.assertIn(f'{interface}.{vif}', dhcp_waiting) # Ensure dhcp-failed interface was added for dhclient hook + dhcp_interfaces = read_file(dhcp_interfaces_file) + self.assertIn(f'{interface}.{vif}', dhcp_interfaces) # Ensure dhcp interface was added for dhclient hook self.cli_delete(ethernet_path + [interface, 'vif', vif, 'address']) @@ -413,6 +413,7 @@ class TestVPNIPsec(VyOSUnitTestSHIM.TestCase): self.cli_set(peer_base_path + ['authentication', 'local-id', peer_name]) self.cli_set(peer_base_path + ['authentication', 'mode', 'x509']) self.cli_set(peer_base_path + ['authentication', 'remote-id', 'peer2']) + self.cli_set(peer_base_path + ['authentication', 'x509', 'ca-certificate', ca_name]) self.cli_set(peer_base_path + ['authentication', 'x509', 'ca-certificate', int_ca_name]) self.cli_set(peer_base_path + ['authentication', 'x509', 'certificate', peer_name]) self.cli_set(peer_base_path + ['connection-type', 'initiate']) @@ -465,8 +466,8 @@ class TestVPNIPsec(VyOSUnitTestSHIM.TestCase): 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'{int_ca_name}_1.pem'))) - self.assertTrue(os.path.exists(os.path.join(CA_PATH, f'{int_ca_name}_2.pem'))) + self.assertTrue(os.path.exists(os.path.join(CA_PATH, f'{ca_name}.pem'))) + self.assertTrue(os.path.exists(os.path.join(CA_PATH, f'{int_ca_name}.pem'))) self.assertTrue(os.path.exists(os.path.join(CERT_PATH, f'{peer_name}.pem'))) # There is only one VTI test so no need to delete this globally in tearDown() @@ -666,7 +667,7 @@ class TestVPNIPsec(VyOSUnitTestSHIM.TestCase): 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}_1.pem'))) + 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() @@ -778,7 +779,7 @@ class TestVPNIPsec(VyOSUnitTestSHIM.TestCase): 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}_1.pem'))) + 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() @@ -893,10 +894,71 @@ class TestVPNIPsec(VyOSUnitTestSHIM.TestCase): 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}_1.pem'))) + 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_dhcp_fail_handling(self): + # Skip process check - connection is not created for this test + self.skip_process_check = True + + # Interface for dhcp-interface + self.cli_set(ethernet_path + [interface, 'vif', vif, 'address', 'dhcp']) # Use VLAN to avoid getting IP from qemu dhcp server + + # This is a known to be good configuration for Microsoft Windows 10 and Apple iOS 17 + self.setupPKI() + + ike_group = 'IKE-RW' + esp_group = 'ESP-RW' + + conn_name = 'vyos-rw' + ip_pool_name = 'ra-rw-ipv4' + username = 'vyos' + password = 'secret' + ike_lifetime = '7200' + eap_lifetime = '3600' + local_id = 'ipsec.vyos.net' + + name_server = '172.16.254.100' + prefix = '172.16.250.0/28' + + # 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']) + + # ESP + self.cli_set(base_path + ['esp-group', esp_group, 'lifetime', eap_lifetime]) + 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 + ['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]) + 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, 'dhcp-interface', f'{interface}.{vif}']) + self.cli_set(base_path + ['remote-access', 'connection', conn_name, 'pool', ip_pool_name]) + self.cli_set(base_path + ['remote-access', 'pool', ip_pool_name, 'name-server', name_server]) + self.cli_set(base_path + ['remote-access', 'pool', ip_pool_name, 'prefix', prefix]) + + self.cli_commit() + + self.assertTrue(os.path.exists(dhcp_interfaces_file)) + + dhcp_interfaces = read_file(dhcp_interfaces_file) + self.assertIn(f'{interface}.{vif}', dhcp_interfaces) # Ensure dhcp interface was added for dhclient hook + + self.cli_delete(ethernet_path + [interface, 'vif', vif, 'address']) + + 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 388f2a709..0c2f232df 100755 --- a/src/conf_mode/vpn_ipsec.py +++ b/src/conf_mode/vpn_ipsec.py @@ -32,10 +32,7 @@ from vyos.configverify import verify_interface_exists from vyos.configverify import dynamic_interface_pattern from vyos.defaults import directories from vyos.ifconfig import Interface -from vyos.pki import encode_certificate from vyos.pki import encode_public_key -from vyos.pki import find_chain -from vyos.pki import load_certificate from vyos.pki import load_private_key from vyos.pki import wrap_certificate from vyos.pki import wrap_crl @@ -75,7 +72,7 @@ KEY_PATH = f'{swanctl_dir}/private/' CA_PATH = f'{swanctl_dir}/x509ca/' CRL_PATH = f'{swanctl_dir}/x509crl/' -DHCP_HOOK_IFLIST = '/tmp/ipsec_dhcp_waiting' +DHCP_HOOK_IFLIST = '/tmp/ipsec_dhcp_interfaces' def get_config(config=None): if config: @@ -94,6 +91,7 @@ def get_config(config=None): with_recursive_defaults=True, with_pki=True) + ipsec['dhcp_interfaces'] = set() ipsec['dhcp_no_address'] = {} ipsec['install_routes'] = 'no' if conf.exists(base + ["options", "disable-route-autoinstall"]) else default_install_routes ipsec['interface_change'] = leaf_node_changed(conf, base + ['interface']) @@ -126,11 +124,11 @@ def verify_pki_x509(pki, x509_conf): if not pki or 'ca' not in pki or 'certificate' not in pki: raise ConfigError(f'PKI is not configured') - ca_cert_name = x509_conf['ca_certificate'] cert_name = x509_conf['certificate'] - if not dict_search_args(pki, 'ca', ca_cert_name, 'certificate'): - raise ConfigError(f'Missing CA certificate on specified PKI CA certificate "{ca_cert_name}"') + for ca_cert_name in x509_conf['ca_certificate']: + if not dict_search_args(pki, 'ca', ca_cert_name, 'certificate'): + raise ConfigError(f'Missing CA certificate on specified PKI CA certificate "{ca_cert_name}"') if not dict_search_args(pki, 'certificate', cert_name, 'certificate'): raise ConfigError(f'Missing certificate on specified PKI certificate "{cert_name}"') @@ -229,6 +227,32 @@ def verify(ipsec): if 'remote_access' in ipsec: if 'connection' in ipsec['remote_access']: for name, ra_conf in ipsec['remote_access']['connection'].items(): + if 'local_address' not in ra_conf and 'dhcp_interface' not in ra_conf: + raise ConfigError(f"Missing local-address or dhcp-interface on remote-access connection {name}") + + if 'dhcp_interface' in ra_conf: + dhcp_interface = ra_conf['dhcp_interface'] + + verify_interface_exists(dhcp_interface) + dhcp_base = directories['isc_dhclient_dir'] + + if not os.path.exists(f'{dhcp_base}/dhclient_{dhcp_interface}.conf'): + raise ConfigError(f"Invalid dhcp-interface on remote-access connection {name}") + + ipsec['dhcp_interfaces'].add(dhcp_interface) + + address = get_dhcp_address(dhcp_interface) + count = 0 + while not address and count < dhcp_wait_attempts: + address = get_dhcp_address(dhcp_interface) + count += 1 + sleep(dhcp_wait_sleep) + + if not address: + ipsec['dhcp_no_address'][f'ra_{name}'] = dhcp_interface + print(f"Failed to get address from dhcp-interface on remote-access connection {name} -- skipped") + continue + if 'esp_group' in ra_conf: if 'esp_group' not in ipsec or ra_conf['esp_group'] not in ipsec['esp_group']: raise ConfigError(f"Invalid esp-group on {name} remote-access config") @@ -386,6 +410,8 @@ def verify(ipsec): if not os.path.exists(f'{dhcp_base}/dhclient_{dhcp_interface}.conf'): raise ConfigError(f"Invalid dhcp-interface on site-to-site peer {peer}") + ipsec['dhcp_interfaces'].add(dhcp_interface) + address = get_dhcp_address(dhcp_interface) count = 0 while not address and count < dhcp_wait_attempts: @@ -394,7 +420,7 @@ def verify(ipsec): sleep(dhcp_wait_sleep) if not address: - ipsec['dhcp_no_address'][peer] = dhcp_interface + ipsec['dhcp_no_address'][f'peer_{peer}'] = dhcp_interface print(f"Failed to get address from dhcp-interface on site-to-site peer {peer} -- skipped") continue @@ -443,32 +469,24 @@ def cleanup_pki_files(): os.unlink(file_path) def generate_pki_files_x509(pki, x509_conf): - ca_cert_name = x509_conf['ca_certificate'] - ca_cert_data = dict_search_args(pki, 'ca', ca_cert_name, 'certificate') - ca_cert_crls = dict_search_args(pki, 'ca', ca_cert_name, 'crl') or [] - ca_index = 1 - crl_index = 1 + for ca_cert_name in x509_conf['ca_certificate']: + ca_cert_data = dict_search_args(pki, 'ca', ca_cert_name, 'certificate') + ca_cert_crls = dict_search_args(pki, 'ca', ca_cert_name, 'crl') or [] + crl_index = 1 - ca_cert = load_certificate(ca_cert_data) - pki_ca_certs = [load_certificate(ca['certificate']) for ca in pki['ca'].values()] + with open(os.path.join(CA_PATH, f'{ca_cert_name}.pem'), 'w') as f: + f.write(wrap_certificate(ca_cert_data)) - ca_cert_chain = find_chain(ca_cert, pki_ca_certs) + for crl in ca_cert_crls: + with open(os.path.join(CRL_PATH, f'{ca_cert_name}_{crl_index}.pem'), 'w') as f: + f.write(wrap_crl(crl)) + crl_index += 1 cert_name = x509_conf['certificate'] cert_data = dict_search_args(pki, 'certificate', cert_name, 'certificate') key_data = dict_search_args(pki, 'certificate', cert_name, 'private', 'key') protected = 'passphrase' in x509_conf - for ca_cert_obj in ca_cert_chain: - with open(os.path.join(CA_PATH, f'{ca_cert_name}_{ca_index}.pem'), 'w') as f: - f.write(encode_certificate(ca_cert_obj)) - ca_index += 1 - - for crl in ca_cert_crls: - with open(os.path.join(CRL_PATH, f'{ca_cert_name}_{crl_index}.pem'), 'w') as f: - f.write(wrap_crl(crl)) - crl_index += 1 - with open(os.path.join(CERT_PATH, f'{cert_name}.pem'), 'w') as f: f.write(wrap_certificate(cert_data)) @@ -503,9 +521,9 @@ def generate(ipsec): render(charon_conf, 'ipsec/charon.j2', {'install_routes': default_install_routes}) return - if ipsec['dhcp_no_address']: + if ipsec['dhcp_interfaces']: with open(DHCP_HOOK_IFLIST, 'w') as f: - f.write(" ".join(ipsec['dhcp_no_address'].values())) + f.write(" ".join(ipsec['dhcp_interfaces'])) elif os.path.exists(DHCP_HOOK_IFLIST): os.unlink(DHCP_HOOK_IFLIST) @@ -522,13 +540,23 @@ def generate(ipsec): if 'remote_access' in ipsec and 'connection' in ipsec['remote_access']: for rw, rw_conf in ipsec['remote_access']['connection'].items(): + if f'ra_{rw}' in ipsec['dhcp_no_address']: + continue + + local_ip = '' + if 'local_address' in rw_conf: + local_ip = rw_conf['local_address'] + elif 'dhcp_interface' in rw_conf: + local_ip = get_dhcp_address(rw_conf['dhcp_interface']) + + ipsec['remote_access']['connection'][rw]['local_address'] = local_ip if 'authentication' in rw_conf and 'x509' in rw_conf['authentication']: generate_pki_files_x509(ipsec['pki'], rw_conf['authentication']['x509']) if 'site_to_site' in ipsec and 'peer' in ipsec['site_to_site']: for peer, peer_conf in ipsec['site_to_site']['peer'].items(): - if peer in ipsec['dhcp_no_address']: + if f'peer_{peer}' in ipsec['dhcp_no_address']: continue if peer_conf['authentication']['mode'] == 'x509': diff --git a/src/etc/dhcp/dhclient-exit-hooks.d/99-ipsec-dhclient-hook b/src/etc/dhcp/dhclient-exit-hooks.d/99-ipsec-dhclient-hook index e6edc1ac3..ebb100e8b 100755 --- a/src/etc/dhcp/dhclient-exit-hooks.d/99-ipsec-dhclient-hook +++ b/src/etc/dhcp/dhclient-exit-hooks.d/99-ipsec-dhclient-hook @@ -14,69 +14,32 @@ # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. -if [ "$reason" == "REBOOT" ] || [ "$reason" == "EXPIRE" ]; then - return 0 -fi - -DHCP_HOOK_IFLIST="/tmp/ipsec_dhcp_waiting" +DHCP_HOOK_IFLIST="/tmp/ipsec_dhcp_interfaces" -if [ -f $DHCP_HOOK_IFLIST ] && [ "$reason" == "BOUND" ]; then - if grep -qw $interface $DHCP_HOOK_IFLIST; then - sudo rm $DHCP_HOOK_IFLIST - sudo /usr/libexec/vyos/conf_mode/vpn_ipsec.py - return 0 - fi +if ! { [ -f $DHCP_HOOK_IFLIST ] && grep -qw $interface $DHCP_HOOK_IFLIST; }; then + exit 0 fi -if [ "$old_ip_address" == "$new_ip_address" ] && [ "$reason" == "BOUND" ]; then - return 0 +# Re-generate the config on the following events: +# - BOUND: always re-generate +# - RENEW: re-generate if the IP address changed +# - REBIND: re-generate if the IP address changed +if [ "$reason" == "RENEW" ] || [ "$reason" == "REBIND" ]; then + if [ "$old_ip_address" == "$new_ip_address" ]; then + exit 0 + fi +elif [ "$reason" != "BOUND" ]; then + exit 0 fi -python3 - <<PYEND -import os -import re - -from vyos.utils.process import call -from vyos.utils.process import cmd -from vyos.utils.file import read_file -from vyos.utils.file import write_file - -SWANCTL_CONF="/etc/swanctl/swanctl.conf" - -def ipsec_down(ip_address): - # This prevents the need to restart ipsec and kill all active connections, only the stale connection is closed - status = cmd('sudo ipsec statusall') - connection_name = None - for line in status.split("\n"): - if line.find(ip_address) > 0: - regex_match = re.search(r'(peer_[^:\[]+)', line) - if regex_match: - connection_name = regex_match[1] - break - if connection_name: - call(f'sudo ipsec down {connection_name}') +# Best effort wait for any active commit to finish +sudo python3 - <<PYEND +from vyos.utils.commit import wait_for_commit_lock if __name__ == '__main__': - interface = os.getenv('interface') - new_ip = os.getenv('new_ip_address') - old_ip = os.getenv('old_ip_address') - - if os.path.exists(SWANCTL_CONF): - conf_lines = read_file(SWANCTL_CONF) - found = False - to_match = f'# dhcp:{interface}' - - for i, line in enumerate(conf_lines): - if line.find(to_match) > 0: - conf_lines[i] = line.replace(old_ip, new_ip) - found = True - - if found: - write_file(SWANCTL_CONF, conf_lines) - ipsec_down(old_ip) - call('sudo ipsec rereadall') - call('sudo ipsec reload') - call('sudo swanctl -q') - + wait_for_commit_lock() exit(0) PYEND + +# Now re-generate the config +sudo /usr/libexec/vyos/conf_mode/vpn_ipsec.py diff --git a/src/op_mode/dhcp.py b/src/op_mode/dhcp.py index b1fa6b918..2f90865fd 100755 --- a/src/op_mode/dhcp.py +++ b/src/op_mode/dhcp.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 # -# Copyright (C) 2022-2023 VyOS maintainers and contributors +# Copyright (C) 2022-2024 VyOS maintainers and contributors # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License version 2 or later as @@ -33,6 +33,7 @@ from vyos.utils.dict import dict_search from vyos.utils.file import read_file from vyos.utils.process import cmd from vyos.utils.process import is_systemd_service_running +from vyos.utils.process import call time_string = "%a %b %d %H:%M:%S %Z %Y" @@ -266,6 +267,25 @@ def _verify(func): return func(*args, **kwargs) return _wrapper +def _verify_client(func): + """Decorator checks if interface is configured as DHCP client""" + from functools import wraps + from vyos.ifconfig import Section + + @wraps(func) + def _wrapper(*args, **kwargs): + config = ConfigTreeQuery() + family = kwargs.get('family') + v = 'v6' if family == 'inet6' else '' + interface = kwargs.get('interface') + interface_path = Section.get_config_path(interface) + unconf_message = f'DHCP{v} client not configured on interface {interface}!' + + # Check if config does not exist + if not config.exists(f'interfaces {interface_path} address dhcp{v}'): + raise vyos.opmode.UnconfiguredSubsystem(unconf_message) + return func(*args, **kwargs) + return _wrapper @_verify def show_pool_statistics(raw: bool, family: ArgFamily, pool: typing.Optional[str]): @@ -395,6 +415,16 @@ def show_client_leases(raw: bool, family: ArgFamily, interface: typing.Optional[ else: return _get_formatted_client_leases(lease_data, family=family) +@_verify_client +def renew_client_lease(raw: bool, family: ArgFamily, interface: str): + if not raw: + v = 'v6' if family == 'inet6' else '' + print(f'Restarting DHCP{v} client on interface {interface}...') + if family == 'inet6': + call(f'systemctl restart dhcp6c@{interface}.service') + else: + call(f'systemctl restart dhclient@{interface}.service') + if __name__ == '__main__': try: res = vyos.opmode.run(sys.modules[__name__]) diff --git a/src/systemd/dhclient@.service b/src/systemd/dhclient@.service index 099f7ed52..d430d8868 100644 --- a/src/systemd/dhclient@.service +++ b/src/systemd/dhclient@.service @@ -3,6 +3,7 @@ Description=DHCP client on %i Documentation=man:dhclient(8) StartLimitIntervalSec=0 After=vyos-router.service +ConditionPathExists=/run/dhclient/dhclient_%i.conf [Service] Type=exec |