diff options
| -rw-r--r-- | interface-definitions/include/version/openvpn-version.xml.i | 2 | ||||
| -rwxr-xr-x | smoketest/scripts/cli/test_interfaces_openvpn.py | 20 | ||||
| -rwxr-xr-x | src/conf_mode/interfaces_openvpn.py | 4 | ||||
| -rw-r--r-- | src/migration-scripts/openvpn/1-to-2 | 74 |
4 files changed, 95 insertions, 5 deletions
diff --git a/interface-definitions/include/version/openvpn-version.xml.i b/interface-definitions/include/version/openvpn-version.xml.i index b4dd742a3..e4eb13b7c 100644 --- a/interface-definitions/include/version/openvpn-version.xml.i +++ b/interface-definitions/include/version/openvpn-version.xml.i @@ -1,3 +1,3 @@ <!-- include start from include/version/openvpn-version.xml.i --> -<syntaxVersion component='openvpn' version='1'></syntaxVersion> +<syntaxVersion component='openvpn' version='2'></syntaxVersion> <!-- include end --> diff --git a/smoketest/scripts/cli/test_interfaces_openvpn.py b/smoketest/scripts/cli/test_interfaces_openvpn.py index e1e9a4ec7..9ca661e87 100755 --- a/smoketest/scripts/cli/test_interfaces_openvpn.py +++ b/smoketest/scripts/cli/test_interfaces_openvpn.py @@ -164,6 +164,12 @@ class TestInterfacesOpenVPN(VyOSUnitTestSHIM.TestCase): self.cli_commit() self.cli_delete(path + ['shared-secret-key', 'ovpn_test']) + # check validate() - cannot specify "encryption cipher" in client mode + self.cli_set(path + ['encryption', 'cipher', 'aes192gcm']) + with self.assertRaises(ConfigSessionError): + self.cli_commit() + self.cli_delete(path + ['encryption', 'cipher']) + self.cli_set(path + ['tls', 'ca-certificate', 'ovpn_test']) self.cli_set(path + ['tls', 'certificate', 'ovpn_test']) @@ -191,7 +197,7 @@ class TestInterfacesOpenVPN(VyOSUnitTestSHIM.TestCase): auth_hash = 'sha1' self.cli_set(path + ['device-type', 'tun']) - self.cli_set(path + ['encryption', 'cipher', 'aes256']) + self.cli_set(path + ['encryption', 'ncp-ciphers', 'aes256']) self.cli_set(path + ['hash', auth_hash]) self.cli_set(path + ['mode', 'client']) self.cli_set(path + ['persistent-tunnel']) @@ -221,7 +227,7 @@ class TestInterfacesOpenVPN(VyOSUnitTestSHIM.TestCase): self.assertIn(f'remote {remote_host}', config) self.assertIn(f'persist-tun', config) self.assertIn(f'auth {auth_hash}', config) - self.assertIn(f'cipher AES-256-CBC', config) + self.assertIn(f'data-ciphers AES-256-CBC', config) # TLS options self.assertIn(f'ca /run/openvpn/{interface}_ca.pem', config) @@ -328,6 +334,12 @@ class TestInterfacesOpenVPN(VyOSUnitTestSHIM.TestCase): self.cli_commit() self.cli_delete(path + ['tls', 'dh-params']) + # check validate() - cannot specify "encryption cipher" in server mode + self.cli_set(path + ['encryption', 'cipher', 'aes256']) + with self.assertRaises(ConfigSessionError): + self.cli_commit() + self.cli_delete(path + ['encryption', 'cipher']) + # Now test the other path with tls role passive self.cli_set(path + ['tls', 'role', 'passive']) # check validate() - cannot specify "tcp-active" when "tls role" is "passive" @@ -359,7 +371,7 @@ class TestInterfacesOpenVPN(VyOSUnitTestSHIM.TestCase): port = str(2000 + ii) self.cli_set(path + ['device-type', 'tun']) - self.cli_set(path + ['encryption', 'cipher', 'aes192']) + self.cli_set(path + ['encryption', 'ncp-ciphers', 'aes192']) self.cli_set(path + ['hash', auth_hash]) self.cli_set(path + ['mode', 'server']) self.cli_set(path + ['local-port', port]) @@ -404,7 +416,7 @@ class TestInterfacesOpenVPN(VyOSUnitTestSHIM.TestCase): self.assertIn(f'persist-key', config) self.assertIn(f'proto udp', config) # default protocol self.assertIn(f'auth {auth_hash}', config) - self.assertIn(f'cipher AES-192-CBC', config) + self.assertIn(f'data-ciphers AES-192-CBC', config) self.assertIn(f'topology subnet', config) self.assertIn(f'lport {port}', config) self.assertIn(f'push "redirect-gateway def1"', config) diff --git a/src/conf_mode/interfaces_openvpn.py b/src/conf_mode/interfaces_openvpn.py index 627cc90ba..017010a61 100755 --- a/src/conf_mode/interfaces_openvpn.py +++ b/src/conf_mode/interfaces_openvpn.py @@ -515,6 +515,10 @@ def verify(openvpn): print('Warning: using dh-params and EC keys simultaneously will ' \ 'lead to DH ciphers being used instead of ECDH') + if dict_search('encryption.cipher', openvpn): + raise ConfigError('"encryption cipher" option is deprecated for TLS mode. ' + 'Use "encryption ncp-ciphers" instead') + if dict_search('encryption.cipher', openvpn) == 'none': print('Warning: "encryption none" was specified!') print('No encryption will be performed and data is transmitted in ' \ diff --git a/src/migration-scripts/openvpn/1-to-2 b/src/migration-scripts/openvpn/1-to-2 new file mode 100644 index 000000000..1f82a2128 --- /dev/null +++ b/src/migration-scripts/openvpn/1-to-2 @@ -0,0 +1,74 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 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 +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +# +# Removes --cipher option (deprecated) from OpenVPN configs +# and moves it to --data-ciphers for server and client modes + +import sys + +from vyos.configtree import ConfigTree + +if len(sys.argv) < 2: + print("Must specify file name!") + sys.exit(1) + +file_name = sys.argv[1] + +with open(file_name, 'r') as f: + config_file = f.read() + +config = ConfigTree(config_file) + +if not config.exists(['interfaces', 'openvpn']): + # Nothing to do + sys.exit(0) +else: + ovpn_intfs = config.list_nodes(['interfaces', 'openvpn']) + for i in ovpn_intfs: + # Remove 'encryption cipher' and add this value to 'encryption ncp-ciphers' + # for server and client mode. + # Site-to-site mode still can use --cipher option + cipher_path = ['interfaces', 'openvpn', i, 'encryption', 'cipher'] + ncp_cipher_path = ['interfaces', 'openvpn', i, 'encryption', 'ncp-ciphers'] + if config.exists(cipher_path): + if config.exists(['interfaces', 'openvpn', i, 'shared-secret-key']): + continue + cipher = config.return_value(cipher_path) + config.delete(cipher_path) + if cipher == 'none': + if not config.exists(ncp_cipher_path): + config.delete(['interfaces', 'openvpn', i, 'encryption']) + continue + + ncp_ciphers = [] + if config.exists(ncp_cipher_path): + ncp_ciphers = config.return_values(ncp_cipher_path) + config.delete(ncp_cipher_path) + + # need to add the deleted cipher at the first place in the list + if cipher in ncp_ciphers: + ncp_ciphers.remove(cipher) + ncp_ciphers.insert(0, cipher) + + for c in ncp_ciphers: + config.set(ncp_cipher_path, value=c, replace=False) + + try: + with open(file_name, 'w') as f: + f.write(config.to_string()) + except OSError as e: + print("Failed to save the modified config: {}".format(e)) + sys.exit(1) |