diff options
Diffstat (limited to 'src/conf_mode/dns_dynamic.py')
| -rwxr-xr-x | src/conf_mode/dns_dynamic.py | 36 |
1 files changed, 27 insertions, 9 deletions
diff --git a/src/conf_mode/dns_dynamic.py b/src/conf_mode/dns_dynamic.py index c4dcb76ed..99fa8feee 100755 --- a/src/conf_mode/dns_dynamic.py +++ b/src/conf_mode/dns_dynamic.py @@ -15,7 +15,7 @@ # along with this program. If not, see <http://www.gnu.org/licenses/>. import os - +import re from sys import exit from vyos.base import Warning @@ -30,6 +30,9 @@ airbag.enable() config_file = r'/run/ddclient/ddclient.conf' systemd_override = r'/run/systemd/system/ddclient.service.d/override.conf' +# Dynamic interfaces that might not exist when the configuration is loaded +dynamic_interfaces = ('pppoe', 'sstpc') + # Protocols that require zone zone_necessary = ['cloudflare', 'digitalocean', 'godaddy', 'hetzner', 'gandi', 'nfsn', 'nsupdate'] @@ -86,17 +89,29 @@ def verify(dyndns): if field not in config: raise ConfigError(f'"{field.replace("_", "-")}" {error_msg_req}') - # If dyndns address is an interface, ensure that it exists + # 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': # exclude check interface for dynamic interfaces - interface_filter = ('pppoe', 'sstpc') - if config['address'].startswith(interface_filter): - Warning(f'interface {config["address"]} does not exist!') + if config['address'].startswith(dynamic_interfaces): + Warning(f'Interface "{config["address"]}" does not exist yet and cannot ' + f'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) web request to obtain the IP address') + 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} ' + 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.') # RFC2136 uses 'key' instead of 'password' if config['protocol'] != 'nsupdate' and 'password' not in config: @@ -124,13 +139,16 @@ def verify(dyndns): if config['ip_version'] == 'both': if config['protocol'] not in dualstack_supported: - raise ConfigError(f'Both IPv4 and IPv6 at the same time {error_msg_uns} with protocol "{config["protocol"]}"') + raise ConfigError(f'Both IPv4 and IPv6 at the same time {error_msg_uns} ' + f'with protocol "{config["protocol"]}"') # dyndns2 protocol in ddclient honors dual stack only for dyn.com (dyndns.org) if config['protocol'] == 'dyndns2' and 'server' in config and config['server'] not in dyndns_dualstack_servers: - raise ConfigError(f'Both IPv4 and IPv6 at the same time {error_msg_uns} for "{config["server"]}" with protocol "{config["protocol"]}"') + raise ConfigError(f'Both IPv4 and IPv6 at the same time {error_msg_uns} ' + f'for "{config["server"]}" with protocol "{config["protocol"]}"') if {'wait_time', 'expiry_time'} <= config.keys() and int(config['expiry_time']) < int(config['wait_time']): - raise ConfigError(f'"expiry-time" must be greater than "wait-time" for Dynamic DNS service "{service}"') + raise ConfigError(f'"expiry-time" must be greater than "wait-time" for ' + f'Dynamic DNS service "{service}"') return None |