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-rw-r--r--python/vyos/validate.py33
1 files changed, 20 insertions, 13 deletions
diff --git a/python/vyos/validate.py b/python/vyos/validate.py
index acd6086ff..23e88b5ac 100644
--- a/python/vyos/validate.py
+++ b/python/vyos/validate.py
@@ -13,9 +13,6 @@
# You should have received a copy of the GNU Lesser General Public
# License along with this library. If not, see <http://www.gnu.org/licenses/>.
-import netifaces
-from vyos.util import cmd
-
# Important note when you are adding new validation functions:
#
# The Control class will analyse the signature of the function in this file
@@ -59,6 +56,9 @@ def _is_intf_addr_assigned(intf, address, netmask=''):
address 192.0.2.1/24.
"""
from vyos.template import is_ipv4
+ from netifaces import ifaddresses
+ from netifaces import AF_INET
+ from netifaces import AF_INET6
# check if the requested address type is configured at all
# {
@@ -67,13 +67,13 @@ def _is_intf_addr_assigned(intf, address, netmask=''):
# 10: [{'addr': 'fe80::a00:27ff:fed9:5b04%eth0', 'netmask': 'ffff:ffff:ffff:ffff::'}]
# }
try:
- ifaces = netifaces.ifaddresses(intf)
+ ifaces = ifaddresses(intf)
except ValueError as e:
print(e)
return False
# determine IP version (AF_INET or AF_INET6) depending on passed address
- addr_type = netifaces.AF_INET if is_ipv4(address) else netifaces.AF_INET6
+ addr_type = AF_INET if is_ipv4(address) else AF_INET6
# Check every IP address on this interface for a match
for ip in ifaces.get(addr_type,[]):
@@ -103,8 +103,8 @@ def is_addr_assigned(addr):
"""
Verify if the given IPv4/IPv6 address is assigned to any interface
"""
-
- for intf in netifaces.interfaces():
+ from netifaces import interfaces
+ for intf in interfaces():
tmp = is_intf_addr_assigned(intf, addr)
if tmp == True:
return True
@@ -129,28 +129,34 @@ def is_subnet_connected(subnet, primary=False):
"""
from ipaddress import ip_address
from ipaddress import ip_network
+
+ from netifaces import ifaddresses
+ from netifaces import interfaces
+ from netifaces import AF_INET
+ from netifaces import AF_INET6
+
from vyos.template import is_ipv6
# determine IP version (AF_INET or AF_INET6) depending on passed address
- addr_type = netifaces.AF_INET
+ addr_type = AF_INET
if is_ipv6(subnet):
- addr_type = netifaces.AF_INET6
+ addr_type = AF_INET6
- for interface in netifaces.interfaces():
+ for interface in interfaces():
# check if the requested address type is configured at all
- if addr_type not in netifaces.ifaddresses(interface).keys():
+ if addr_type not in ifaddresses(interface).keys():
continue
# An interface can have multiple addresses, but some software components
# only support the primary address :(
if primary:
- ip = netifaces.ifaddresses(interface)[addr_type][0]['addr']
+ ip = ifaddresses(interface)[addr_type][0]['addr']
if ip_address(ip) in ip_network(subnet):
return True
else:
# Check every assigned IP address if it is connected to the subnet
# in question
- for ip in netifaces.ifaddresses(interface)[addr_type]:
+ for ip in ifaddresses(interface)[addr_type]:
# remove interface extension (e.g. %eth0) that gets thrown on the end of _some_ addrs
addr = ip['addr'].split('%')[0]
if ip_address(addr) in ip_network(subnet):
@@ -190,6 +196,7 @@ def assert_mtu(mtu, ifname):
assert_number(mtu)
import json
+ from vyos.util import cmd
out = cmd(f'ip -j -d link show dev {ifname}')
# [{"ifindex":2,"ifname":"eth0","flags":["BROADCAST","MULTICAST","UP","LOWER_UP"],"mtu":1500,"qdisc":"pfifo_fast","operstate":"UP","linkmode":"DEFAULT","group":"default","txqlen":1000,"link_type":"ether","address":"08:00:27:d9:5b:04","broadcast":"ff:ff:ff:ff:ff:ff","promiscuity":0,"min_mtu":46,"max_mtu":16110,"inet6_addr_gen_mode":"none","num_tx_queues":1,"num_rx_queues":1,"gso_max_size":65536,"gso_max_segs":65535}]
parsed = json.loads(out)[0]