summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rwxr-xr-xsrc/conf_mode/service_dns_dynamic.py49
-rwxr-xr-xsrc/migration-scripts/dns-dynamic/3-to-476
-rwxr-xr-xsrc/op_mode/dns.py128
-rwxr-xr-xsrc/op_mode/dns_dynamic.py113
4 files changed, 211 insertions, 155 deletions
diff --git a/src/conf_mode/service_dns_dynamic.py b/src/conf_mode/service_dns_dynamic.py
index 845aaa1b5..a551a9891 100755
--- a/src/conf_mode/service_dns_dynamic.py
+++ b/src/conf_mode/service_dns_dynamic.py
@@ -1,6 +1,6 @@
#!/usr/bin/env python3
#
-# Copyright (C) 2018-2023 VyOS maintainers and contributors
+# Copyright (C) 2018-2024 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
@@ -87,31 +87,36 @@ def verify(dyndns):
if field not in config:
raise ConfigError(f'"{field.replace("_", "-")}" {error_msg_req}')
- # If dyndns address is an interface, ensure
- # that the interface exists (or just warn if dynamic interface)
- # and that web-options are not set
- if config['address'] != 'web':
+ if not any(x in config['address'] for x in ['interface', 'web']):
+ raise ConfigError(f'Either "interface" or "web" {error_msg_req} '
+ f'with protocol "{config["protocol"]}"')
+ if all(x in config['address'] for x in ['interface', 'web']):
+ raise ConfigError(f'Both "interface" and "web" at the same time {error_msg_uns} '
+ f'with protocol "{config["protocol"]}"')
+
+ # If dyndns address is an interface, ensure that the interface exists
+ # and warn if a non-active dynamic interface is used
+ if 'interface' in config['address']:
tmp = re.compile(dynamic_interface_pattern)
# exclude check interface for dynamic interfaces
- if tmp.match(config["address"]):
- if not interface_exists(config["address"]):
- Warning(f'Interface "{config["address"]}" does not exist yet and cannot '
- f'be used for Dynamic DNS service "{service}" until it is up!')
+ if tmp.match(config['address']['interface']):
+ if not interface_exists(config['address']['interface']):
+ Warning(f'Interface "{config["address"]["interface"]}" does not exist yet and '
+ f'cannot be used for Dynamic DNS service "{service}" until it is up!')
else:
- verify_interface_exists(config['address'])
- if 'web_options' in config:
- raise ConfigError(f'"web-options" is applicable only when using HTTP(S) '
- f'web request to obtain the IP address')
-
- # Warn if using checkip.dyndns.org, as it does not support HTTPS
- # See: https://github.com/ddclient/ddclient/issues/597
- if 'web_options' in config:
- if 'url' not in config['web_options']:
- raise ConfigError(f'"url" in "web-options" {error_msg_req} '
+ verify_interface_exists(config['address']['interface'])
+
+ if 'web' in config['address']:
+ # If 'skip' is specified, 'url' is required as well
+ if 'skip' in config['address']['web'] and 'url' not in config['address']['web']:
+ raise ConfigError(f'"url" along with "skip" {error_msg_req} '
f'with protocol "{config["protocol"]}"')
- elif re.search("^(https?://)?checkip\.dyndns\.org", config['web_options']['url']):
- Warning(f'"checkip.dyndns.org" does not support HTTPS requests for IP address '
- f'lookup. Please use a different IP address lookup service.')
+ if 'url' in config['address']['web']:
+ # Warn if using checkip.dyndns.org, as it does not support HTTPS
+ # See: https://github.com/ddclient/ddclient/issues/597
+ if re.search("^(https?://)?checkip\.dyndns\.org", config['address']['web']['url']):
+ Warning(f'"checkip.dyndns.org" does not support HTTPS requests for IP address '
+ f'lookup. Please use a different IP address lookup service.')
# RFC2136 uses 'key' instead of 'password'
if config['protocol'] != 'nsupdate' and 'password' not in config:
diff --git a/src/migration-scripts/dns-dynamic/3-to-4 b/src/migration-scripts/dns-dynamic/3-to-4
new file mode 100755
index 000000000..b888a3b6b
--- /dev/null
+++ b/src/migration-scripts/dns-dynamic/3-to-4
@@ -0,0 +1,76 @@
+#!/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/>.
+
+# T5966:
+# - migrate "service dns dynamic name <service> address <interface>"
+# to "service dns dynamic name <service> address interface <interface>"
+# when <interface> != 'web'
+# - migrate "service dns dynamic name <service> web-options ..."
+# to "service dns dynamic name <service> address web ..."
+# when <interface> == 'web'
+
+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)
+
+base_path = ['service', 'dns', 'dynamic', 'name']
+
+if not config.exists(base_path):
+ # Nothing to do
+ sys.exit(0)
+
+for service in config.list_nodes(base_path):
+
+ service_path = base_path + [service]
+
+ if config.exists(service_path + ['address']):
+ address = config.return_value(service_path + ['address'])
+ # 'address' is not a leaf node anymore, delete it first
+ config.delete(service_path + ['address'])
+
+ # When address is an interface (not 'web'), move it to 'address interface'
+ if address != 'web':
+ config.set(service_path + ['address', 'interface'], address)
+
+ else: # address == 'web'
+ # Relocate optional 'web-options' directly under 'address web'
+ if config.exists(service_path + ['web-options']):
+ # config.copy does not recursively create a path, so initialize it
+ config.set(service_path + ['address'])
+ config.copy(service_path + ['web-options'],
+ service_path + ['address', 'web'])
+ config.delete(service_path + ['web-options'])
+
+ # ensure that valueless 'address web' still exists even if there are no 'web-options'
+ if not config.exists(service_path + ['address', 'web']):
+ config.set(service_path + ['address', 'web'])
+
+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)
diff --git a/src/op_mode/dns.py b/src/op_mode/dns.py
index 309bef3b9..16c462f23 100755
--- a/src/op_mode/dns.py
+++ b/src/op_mode/dns.py
@@ -15,14 +15,33 @@
# along with this program. If not, see <http://www.gnu.org/licenses/>.
-import typing
+import os
import sys
+import time
+import typing
import vyos.opmode
from tabulate import tabulate
from vyos.configquery import ConfigTreeQuery
from vyos.utils.process import cmd, rc_cmd
+from vyos.template import is_ipv4, is_ipv6
+
+_dynamic_cache_file = r'/run/ddclient/ddclient.cache'
+
+_dynamic_status_columns = {
+ 'host': 'Hostname',
+ 'ipv4': 'IPv4 address',
+ 'status-ipv4': 'IPv4 status',
+ 'ipv6': 'IPv6 address',
+ 'status-ipv6': 'IPv6 status',
+ 'mtime': 'Last update',
+}
+_forwarding_statistics_columns = {
+ 'cache-entries': 'Cache entries',
+ 'max-cache-entries': 'Max cache entries',
+ 'cache-size': 'Cache size',
+}
def _forwarding_data_to_dict(data, sep="\t") -> dict:
"""
@@ -50,37 +69,106 @@ def _forwarding_data_to_dict(data, sep="\t") -> dict:
dictionary[key] = value
return dictionary
+def _get_dynamic_host_records_raw() -> dict:
+
+ data = []
+
+ if os.path.isfile(_dynamic_cache_file): # A ddclient status file might not always exist
+ with open(_dynamic_cache_file, 'r') as f:
+ for line in f:
+ if line.startswith('#'):
+ continue
+
+ props = {}
+ # ddclient cache rows have properties in 'key=value' format separated by comma
+ # we pick up the ones we are interested in
+ for kvraw in line.split(' ')[0].split(','):
+ k, v = kvraw.split('=')
+ if k in list(_dynamic_status_columns.keys()) + ['ip', 'status']: # ip and status are legacy keys
+ props[k] = v
+
+ # Extract IPv4 and IPv6 address and status from legacy keys
+ # Dual-stack isn't supported in legacy format, 'ip' and 'status' are for one of IPv4 or IPv6
+ if 'ip' in props:
+ if is_ipv4(props['ip']):
+ props['ipv4'] = props['ip']
+ props['status-ipv4'] = props['status']
+ elif is_ipv6(props['ip']):
+ props['ipv6'] = props['ip']
+ props['status-ipv6'] = props['status']
+ del props['ip']
+
+ # Convert mtime to human readable format
+ if 'mtime' in props:
+ props['mtime'] = time.strftime(
+ "%Y-%m-%d %H:%M:%S", time.localtime(int(props['mtime'], base=10)))
+
+ data.append(props)
+
+ return data
+
+def _get_dynamic_host_records_formatted(data):
+ data_entries = []
+ for entry in data:
+ data_entries.append([entry.get(key) for key in _dynamic_status_columns.keys()])
+ header = _dynamic_status_columns.values()
+ output = tabulate(data_entries, header, numalign='left')
+ return output
def _get_forwarding_statistics_raw() -> dict:
command = cmd('rec_control get-all')
data = _forwarding_data_to_dict(command)
- data['cache-size'] = "{0:.2f}".format( int(
+ data['cache-size'] = "{0:.2f} kbytes".format( int(
cmd('rec_control get cache-bytes')) / 1024 )
return data
-
def _get_forwarding_statistics_formatted(data):
- cache_entries = data.get('cache-entries')
- max_cache_entries = data.get('max-cache-entries')
- cache_size = data.get('cache-size')
- data_entries = [[cache_entries, max_cache_entries, f'{cache_size} kbytes']]
- headers = ["Cache entries", "Max cache entries" , "Cache size"]
- output = tabulate(data_entries, headers, numalign="left")
+ data_entries = []
+ data_entries.append([data.get(key) for key in _forwarding_statistics_columns.keys()])
+ header = _forwarding_statistics_columns.values()
+ output = tabulate(data_entries, header, numalign='left')
return output
-def _verify_forwarding(func):
- """Decorator checks if DNS Forwarding config exists"""
+def _verify(target):
+ """Decorator checks if config for DNS related service exists"""
from functools import wraps
- @wraps(func)
- def _wrapper(*args, **kwargs):
- config = ConfigTreeQuery()
- if not config.exists('service dns forwarding'):
- raise vyos.opmode.UnconfiguredSubsystem('DNS Forwarding is not configured')
- return func(*args, **kwargs)
- return _wrapper
+ if target not in ['dynamic', 'forwarding']:
+ raise ValueError('Invalid target')
+
+ def _verify_target(func):
+ @wraps(func)
+ def _wrapper(*args, **kwargs):
+ config = ConfigTreeQuery()
+ if not config.exists(f'service dns {target}'):
+ _prefix = f'Dynamic DNS' if target == 'dynamic' else 'DNS Forwarding'
+ raise vyos.opmode.UnconfiguredSubsystem(f'{_prefix} is not configured')
+ return func(*args, **kwargs)
+ return _wrapper
+ return _verify_target
+
+@_verify('dynamic')
+def show_dynamic_status(raw: bool):
+ host_data = _get_dynamic_host_records_raw()
+ if raw:
+ return host_data
+ else:
+ return _get_dynamic_host_records_formatted(host_data)
-@_verify_forwarding
+@_verify('dynamic')
+def reset_dynamic():
+ """
+ Reset Dynamic DNS cache
+ """
+ if os.path.exists(_dynamic_cache_file):
+ os.remove(_dynamic_cache_file)
+ rc, output = rc_cmd('systemctl restart ddclient.service')
+ if rc != 0:
+ print(output)
+ return None
+ print(f'Dynamic DNS state reset!')
+
+@_verify('forwarding')
def show_forwarding_statistics(raw: bool):
dns_data = _get_forwarding_statistics_raw()
if raw:
@@ -88,7 +176,7 @@ def show_forwarding_statistics(raw: bool):
else:
return _get_forwarding_statistics_formatted(dns_data)
-@_verify_forwarding
+@_verify('forwarding')
def reset_forwarding(all: bool, domain: typing.Optional[str]):
"""
Reset DNS Forwarding cache
diff --git a/src/op_mode/dns_dynamic.py b/src/op_mode/dns_dynamic.py
deleted file mode 100755
index 12aa5494a..000000000
--- a/src/op_mode/dns_dynamic.py
+++ /dev/null
@@ -1,113 +0,0 @@
-#!/usr/bin/env python3
-#
-# Copyright (C) 2018-2023 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/>.
-
-import os
-import argparse
-import sys
-import time
-from tabulate import tabulate
-
-from vyos.config import Config
-from vyos.template import is_ipv4, is_ipv6
-from vyos.utils.process import call
-
-cache_file = r'/run/ddclient/ddclient.cache'
-
-columns = {
- 'host': 'Hostname',
- 'ipv4': 'IPv4 address',
- 'status-ipv4': 'IPv4 status',
- 'ipv6': 'IPv6 address',
- 'status-ipv6': 'IPv6 status',
- 'mtime': 'Last update',
-}
-
-
-def _get_formatted_host_records(host_data):
- data_entries = []
- for entry in host_data:
- data_entries.append([entry.get(key) for key in columns.keys()])
-
- header = columns.values()
- output = tabulate(data_entries, header, numalign='left')
- return output
-
-
-def show_status():
- # A ddclient status file might not always exist
- if not os.path.exists(cache_file):
- sys.exit(0)
-
- data = []
-
- with open(cache_file, 'r') as f:
- for line in f:
- if line.startswith('#'):
- continue
-
- props = {}
- # ddclient cache rows have properties in 'key=value' format separated by comma
- # we pick up the ones we are interested in
- for kvraw in line.split(' ')[0].split(','):
- k, v = kvraw.split('=')
- if k in list(columns.keys()) + ['ip', 'status']: # ip and status are legacy keys
- props[k] = v
-
- # Extract IPv4 and IPv6 address and status from legacy keys
- # Dual-stack isn't supported in legacy format, 'ip' and 'status' are for one of IPv4 or IPv6
- if 'ip' in props:
- if is_ipv4(props['ip']):
- props['ipv4'] = props['ip']
- props['status-ipv4'] = props['status']
- elif is_ipv6(props['ip']):
- props['ipv6'] = props['ip']
- props['status-ipv6'] = props['status']
- del props['ip']
-
- # Convert mtime to human readable format
- if 'mtime' in props:
- props['mtime'] = time.strftime(
- "%Y-%m-%d %H:%M:%S", time.localtime(int(props['mtime'], base=10)))
-
- data.append(props)
-
- print(_get_formatted_host_records(data))
-
-
-def update_ddns():
- call('systemctl stop ddclient.service')
- if os.path.exists(cache_file):
- os.remove(cache_file)
- call('systemctl start ddclient.service')
-
-
-if __name__ == '__main__':
- parser = argparse.ArgumentParser()
- group = parser.add_mutually_exclusive_group()
- group.add_argument("--status", help="Show DDNS status", action="store_true")
- group.add_argument("--update", help="Update DDNS on a given interface", action="store_true")
- args = parser.parse_args()
-
- # Do nothing if service is not configured
- c = Config()
- if not c.exists_effective('service dns dynamic'):
- print("Dynamic DNS not configured")
- sys.exit(1)
-
- if args.status:
- show_status()
- elif args.update:
- update_ddns()