From b62b2f5f8a9c4f0a7dc26bce1f15843651119256 Mon Sep 17 00:00:00 2001
From: srividya0208 <a.srividya@vyos.io>
Date: Mon, 15 Jul 2024 06:30:00 -0400
Subject: OpenVPN CLI-option: T6571: rename ncp-ciphers with data-ciphers

---
 src/conf_mode/interfaces_openvpn.py  |  6 +++---
 src/migration-scripts/openvpn/3-to-4 | 30 ++++++++++++++++++++++++++++++
 2 files changed, 33 insertions(+), 3 deletions(-)
 create mode 100644 src/migration-scripts/openvpn/3-to-4

(limited to 'src')

diff --git a/src/conf_mode/interfaces_openvpn.py b/src/conf_mode/interfaces_openvpn.py
index 320ab7b7b..a03bd5959 100755
--- a/src/conf_mode/interfaces_openvpn.py
+++ b/src/conf_mode/interfaces_openvpn.py
@@ -322,8 +322,8 @@ def verify(openvpn):
             if v4addr in openvpn['local_address'] and 'subnet_mask' not in openvpn['local_address'][v4addr]:
                 raise ConfigError('Must specify IPv4 "subnet-mask" for local-address')
 
-        if dict_search('encryption.ncp_ciphers', openvpn):
-            raise ConfigError('NCP ciphers can only be used in client or server mode')
+        if dict_search('encryption.data_ciphers', openvpn):
+            raise ConfigError('Cipher negotiation can only be used in client or server mode')
 
     else:
         # checks for client-server or site-to-site bridged
@@ -520,7 +520,7 @@ def verify(openvpn):
 
         if dict_search('encryption.cipher', openvpn):
             raise ConfigError('"encryption cipher" option is deprecated for TLS mode. '
-                              'Use "encryption ncp-ciphers" instead')
+                              'Use "encryption data-ciphers" instead')
 
     if dict_search('encryption.cipher', openvpn) == 'none':
         print('Warning: "encryption none" was specified!')
diff --git a/src/migration-scripts/openvpn/3-to-4 b/src/migration-scripts/openvpn/3-to-4
new file mode 100644
index 000000000..d3c76c7d3
--- /dev/null
+++ b/src/migration-scripts/openvpn/3-to-4
@@ -0,0 +1,30 @@
+#!/usr/bin/env python3
+# Copyright 2024 VyOS maintainers and contributors <maintainers@vyos.io>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library 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
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library.  If not, see <http://www.gnu.org/licenses/>.
+# Renames ncp-ciphers option to data-ciphers
+
+from vyos.configtree import ConfigTree
+
+def migrate(config: ConfigTree) -> None:
+    if not config.exists(['interfaces', 'openvpn']):
+        # Nothing to do
+        return
+
+    ovpn_intfs = config.list_nodes(['interfaces', 'openvpn'])
+    for i in ovpn_intfs:
+        #Rename 'encryption ncp-ciphers' with 'encryption data-ciphers'
+        ncp_cipher_path = ['interfaces', 'openvpn', i, 'encryption', 'ncp-ciphers']
+        if config.exists(ncp_cipher_path):
+            config.rename(ncp_cipher_path, 'data-ciphers')
-- 
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