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-rwxr-xr-xsrc/conf_mode/ntp.py34
1 files changed, 24 insertions, 10 deletions
diff --git a/src/conf_mode/ntp.py b/src/conf_mode/ntp.py
index 92cb73aab..95766c44c 100755
--- a/src/conf_mode/ntp.py
+++ b/src/conf_mode/ntp.py
@@ -24,6 +24,7 @@ from vyos.util import call
from vyos.util import chmod_750
from vyos.util import get_interface_config
from vyos.template import render
+from vyos.template import is_ipv4
from vyos import ConfigError
from vyos import airbag
airbag.enable()
@@ -62,16 +63,29 @@ def verify(ntp):
if 'interface' in ntp:
# If ntpd should listen on a given interface, ensure it exists
- for interface in ntp['interface']:
- verify_interface_exists(interface)
-
- # If we run in a VRF, our interface must belong to this VRF, too
- if 'vrf' in ntp:
- tmp = get_interface_config(interface)
- vrf_name = ntp['vrf']
- if 'master' not in tmp or tmp['master'] != vrf_name:
- raise ConfigError(f'NTP runs in VRF "{vrf_name}" - "{interface}" '\
- f'does not belong to this VRF!')
+ interface = ntp['interface']
+ verify_interface_exists(interface)
+
+ # If we run in a VRF, our interface must belong to this VRF, too
+ if 'vrf' in ntp:
+ tmp = get_interface_config(interface)
+ vrf_name = ntp['vrf']
+ if 'master' not in tmp or tmp['master'] != vrf_name:
+ raise ConfigError(f'NTP runs in VRF "{vrf_name}" - "{interface}" '\
+ f'does not belong to this VRF!')
+
+ if 'listen_address' in ntp:
+ ipv4_addresses = 0
+ ipv6_addresses = 0
+ for address in ntp['listen_address']:
+ if is_ipv4(address):
+ ipv4_addresses += 1
+ else:
+ ipv6_addresses += 1
+ if ipv4_addresses > 1:
+ raise ConfigError(f'NTP Only admits one ipv4 value for listen-address parameter ')
+ if ipv6_addresses > 1:
+ raise ConfigError(f'NTP Only admits one ipv6 value for listen-address parameter ')
return None