openvpn: T1704: drop deprecated disable-ncp option

(cherry picked from commit 6b7b19c93f90839549dd668116c4da2f38cfdc66)

VyOS 1.3 will ship OpenVPN 2.5.1 and thus it is the perfect timing to still
remove this option before introducing it in a new LTS release.

4 files changed, 0 insertions, 22 deletions

diff --git a/data/templates/openvpn/server.conf.tmpl b/data/templates/openvpn/server.conf.tmpl
index 79288e40f..7b1361764 100644
--- a/data/templates/openvpn/server.conf.tmpl
+++ b/data/templates/openvpn/server.conf.tmpl
@@ -248,8 +248,6 @@ cipher aes-256-cbc
 {%       endif %}
 {%     endfor %}
 ncp-ciphers {{ cipher_list | join(':') }}:{{ cipher_list | join(':') | upper }}
-{%   elif encryption.disable_ncp is defined %}
-ncp-disable
 {%   endif %}
 {% endif %}
 
diff --git a/interface-definitions/interfaces-openvpn.xml.in b/interface-definitions/interfaces-openvpn.xml.in
index effbdd674..681290570 100644
--- a/interface-definitions/interfaces-openvpn.xml.in
+++ b/interface-definitions/interfaces-openvpn.xml.in
@@ -163,12 +163,6 @@
                   <multi/>
                 </properties>
               </leafNode>
-              <leafNode name="disable-ncp">
-                <properties>
-                  <help>Disable support for ncp-ciphers</help>
-                  <valueless/>
-                </properties>
-              </leafNode>
             </children>
           </node>
           #include <include/interface/interface-ipv6-options.xml.i>
diff --git a/smoketest/scripts/cli/test_interfaces_openvpn.py b/smoketest/scripts/cli/test_interfaces_openvpn.py
index 00db3f667..c9376b032 100755
--- a/smoketest/scripts/cli/test_interfaces_openvpn.py
+++ b/smoketest/scripts/cli/test_interfaces_openvpn.py
@@ -76,16 +76,8 @@ class TestInterfacesOpenVPN(unittest.TestCase):
         interface = 'vtun2000'
         path = base_path + [interface]
         self.session.set(path + ['mode', 'client'])
-
-        # check validate() - cannot specify both "encryption disable-ncp" and
-        # "encryption ncp-ciphers" at the same time
-        self.session.set(path + ['encryption', 'disable-ncp'])
         self.session.set(path + ['encryption', 'ncp-ciphers', 'aes192gcm'])
 
-        with self.assertRaises(ConfigSessionError):
-            self.session.commit()
-        self.session.delete(path + ['encryption', 'ncp-ciphers'])
-
         # check validate() - cannot specify local-port in client mode
         self.session.set(path + ['local-port', '5000'])
         with self.assertRaises(ConfigSessionError):
diff --git a/src/conf_mode/interfaces-openvpn.py b/src/conf_mode/interfaces-openvpn.py
index ee6f05fcd..1c1c844d0 100755
--- a/src/conf_mode/interfaces-openvpn.py
+++ b/src/conf_mode/interfaces-openvpn.py
@@ -92,12 +92,6 @@ def verify(openvpn):
     if 'mode' not in openvpn:
         raise ConfigError('Must specify OpenVPN operation mode!')
 
-    # Check if we have disabled ncp and at the same time specified ncp-ciphers
-    if 'encryption' in openvpn:
-        if {'disable_ncp', 'ncp_ciphers'} <= set(openvpn.get('encryption')):
-            raise ConfigError('Can not specify both "encryption disable-ncp" '\
-                              'and "encryption ncp-ciphers"')
-
     #
     # OpenVPN client mode - VERIFY
     #