summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
authorNicolas Fort <nicolasfort1988@gmail.com>2023-07-06 17:40:37 +0000
committerNicolas Fort <nicolasfort1988@gmail.com>2023-07-25 09:35:52 +0000
commit5f2e9cb81d89a5cfecbac01bec054b3ba4e8dff5 (patch)
tree3c8a963489ad77e35b7c30be55145f0980c0f7ed /src
parente8ff7aa564b03c6338b2c053f3c24a08fd2cf323 (diff)
downloadvyos-1x-5f2e9cb81d89a5cfecbac01bec054b3ba4e8dff5.tar.gz
vyos-1x-5f2e9cb81d89a5cfecbac01bec054b3ba4e8dff5.zip
T5154: NTP: allow maximum of one ipv4 and one ipv6 address on parameter <listen-address>. Also allow only one single value <interface>.
Diffstat (limited to 'src')
-rwxr-xr-xsrc/conf_mode/ntp.py34
-rwxr-xr-xsrc/migration-scripts/ntp/2-to-362
2 files changed, 86 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
diff --git a/src/migration-scripts/ntp/2-to-3 b/src/migration-scripts/ntp/2-to-3
new file mode 100755
index 000000000..7d4e0bd83
--- /dev/null
+++ b/src/migration-scripts/ntp/2-to-3
@@ -0,0 +1,62 @@
+#!/usr/bin/env python3
+
+# Copyright (C) 2023 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/>.
+
+# T5154: allow only one ip address per family for parameter 'listen-address'
+# Allow only one interface for parameter 'interface'
+# If more than one are specified, remove such entries
+
+import sys
+
+from vyos.configtree import ConfigTree
+from vyos.template import is_ipv4
+from vyos.template import is_ipv6
+
+if (len(sys.argv) < 1):
+ 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)
+
+base_path = ['service', 'ntp']
+if not config.exists(base_path):
+ # Nothing to do
+ sys.exit(0)
+
+if config.exists(base_path + ['listen-address']) and (len([addr for addr in config.return_values(base_path + ['listen-address']) if is_ipv4(addr)]) > 1):
+ for addr in config.return_values(base_path + ['listen-address']):
+ if is_ipv4(addr):
+ config.delete_value(base_path + ['listen-address'], addr)
+
+if config.exists(base_path + ['listen-address']) and (len([addr for addr in config.return_values(base_path + ['listen-address']) if is_ipv6(addr)]) > 1):
+ for addr in config.return_values(base_path + ['listen-address']):
+ if is_ipv6(addr):
+ config.delete_value(base_path + ['listen-address'], addr)
+
+if config.exists(base_path + ['interface']):
+ if len(config.return_values(base_path + ['interface'])) > 1:
+ config.delete(base_path + ['interface'])
+
+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)