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authorNataliia Solomko <natalirs1985@gmail.com>2024-06-11 18:04:18 +0300
committerNataliia Solomko <natalirs1985@gmail.com>2024-07-03 16:10:50 +0300
commit854f9f8c27e5bc07cffa41a0d3e39ff293ba024c (patch)
treef91f23e3feb5b586179a9de69eea39ea1cfc0a77
parent82607438d6df5291c581d802c7a2a98eabe084ff (diff)
downloadvyos-1x-854f9f8c27e5bc07cffa41a0d3e39ff293ba024c.tar.gz
vyos-1x-854f9f8c27e5bc07cffa41a0d3e39ff293ba024c.zip
openvpn: T5487: Remove deprecated option --cipher for server and client mode
-rw-r--r--interface-definitions/include/version/openvpn-version.xml.i2
-rw-r--r--smoketest/config-tests/dialup-router-medium-vpn6
-rwxr-xr-xsmoketest/scripts/cli/test_interfaces_openvpn.py20
-rwxr-xr-xsrc/conf_mode/interfaces_openvpn.py4
-rwxr-xr-xsrc/migration-scripts/openvpn/1-to-274
5 files changed, 98 insertions, 8 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/config-tests/dialup-router-medium-vpn b/smoketest/config-tests/dialup-router-medium-vpn
index 89eec0f65..8c221707f 100644
--- a/smoketest/config-tests/dialup-router-medium-vpn
+++ b/smoketest/config-tests/dialup-router-medium-vpn
@@ -39,7 +39,7 @@ set interfaces ethernet eth1 offload sg
set interfaces ethernet eth1 offload tso
set interfaces ethernet eth1 speed 'auto'
set interfaces loopback lo
-set interfaces openvpn vtun0 encryption cipher 'aes256'
+set interfaces openvpn vtun0 encryption ncp-ciphers 'aes256'
set interfaces openvpn vtun0 hash 'sha512'
set interfaces openvpn vtun0 ip adjust-mss '1380'
set interfaces openvpn vtun0 ip source-validation 'strict'
@@ -58,7 +58,7 @@ set interfaces openvpn vtun0 tls ca-certificate 'openvpn_vtun0_2'
set interfaces openvpn vtun0 tls certificate 'openvpn_vtun0'
set interfaces openvpn vtun1 authentication password 'vyos1'
set interfaces openvpn vtun1 authentication username 'vyos1'
-set interfaces openvpn vtun1 encryption cipher 'aes256'
+set interfaces openvpn vtun1 encryption ncp-ciphers 'aes256'
set interfaces openvpn vtun1 hash 'sha1'
set interfaces openvpn vtun1 ip adjust-mss '1380'
set interfaces openvpn vtun1 keep-alive failure-count '3'
@@ -83,7 +83,7 @@ set interfaces openvpn vtun1 tls ca-certificate 'openvpn_vtun1_2'
set interfaces openvpn vtun2 authentication password 'vyos2'
set interfaces openvpn vtun2 authentication username 'vyos2'
set interfaces openvpn vtun2 disable
-set interfaces openvpn vtun2 encryption cipher 'aes256'
+set interfaces openvpn vtun2 encryption ncp-ciphers 'aes256'
set interfaces openvpn vtun2 hash 'sha512'
set interfaces openvpn vtun2 ip adjust-mss '1380'
set interfaces openvpn vtun2 keep-alive failure-count '3'
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 100755
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)