diff options
Diffstat (limited to 'src/conf_mode')
| -rwxr-xr-x | src/conf_mode/dhcp_server.py | 44 |
1 files changed, 21 insertions, 23 deletions
diff --git a/src/conf_mode/dhcp_server.py b/src/conf_mode/dhcp_server.py index c5d6b1052..a08c39699 100755 --- a/src/conf_mode/dhcp_server.py +++ b/src/conf_mode/dhcp_server.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 # -# Copyright (C) 2018 VyOS maintainers and contributors +# Copyright (C) 2018-2019 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 @@ -13,18 +13,16 @@ # # 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 sys import os -import ipaddress import jinja2 import socket import struct import vyos.validate +from ipaddress import ip_address, ip_network from vyos.config import Config from vyos import ConfigError @@ -276,33 +274,33 @@ def dhcp_slice_range(exclude_list, range_list): range_last_exclude = '' for e in exclude_list: - if (ipaddress.ip_address(e) >= ipaddress.ip_address(range_start)) and \ - (ipaddress.ip_address(e) <= ipaddress.ip_address(range_stop)): + if (ip_address(e) >= ip_address(range_start)) and \ + (ip_address(e) <= ip_address(range_stop)): range_last_exclude = e for e in exclude_list: - if (ipaddress.ip_address(e) >= ipaddress.ip_address(range_start)) and \ - (ipaddress.ip_address(e) <= ipaddress.ip_address(range_stop)): + if (ip_address(e) >= ip_address(range_start)) and \ + (ip_address(e) <= ip_address(range_stop)): # Build new IP address range ending one IP address before exclude address r = { 'start' : range_start, - 'stop' : str(ipaddress.ip_address(e) -1) + 'stop' : str(ip_address(e) -1) } # On the next run our IP address range will start one address after the exclude address - range_start = str(ipaddress.ip_address(e) + 1) + range_start = str(ip_address(e) + 1) # on subsequent exclude addresses we can not # append them to our output - if not (ipaddress.ip_address(r['start']) > ipaddress.ip_address(r['stop'])): + if not (ip_address(r['start']) > ip_address(r['stop'])): # Everything is fine, add range to result output.append(r) # Take care of last IP address range spanning from the last exclude # address (+1) to the end of the initial configured range - if ipaddress.ip_address(e) == ipaddress.ip_address(range_last_exclude): + if ip_address(e) == ip_address(range_last_exclude): r = { - 'start': str(ipaddress.ip_address(e) + 1), + 'start': str(ip_address(e) + 1), 'stop': str(range_stop) } output.append(r) @@ -389,8 +387,8 @@ def get_config(): conf.set_level('service dhcp-server shared-network-name {0} subnet {1}'.format(network, net)) subnet = { 'network': net, - 'address': str(ipaddress.ip_network(net).network_address), - 'netmask': str(ipaddress.ip_network(net).netmask), + 'address': str(ip_network(net).network_address), + 'netmask': str(ip_network(net).netmask), 'bootfile_name': '', 'bootfile_server': '', 'client_prefix_length': '', @@ -581,7 +579,7 @@ def get_config(): # Option format is: # <netmask>, <network-byte1>, <network-byte2>, <network-byte3>, <router-byte1>, <router-byte2>, <router-byte3> # where bytes with the value 0 are omitted. - net = ipaddress.ip_network(subnet['static_subnet']) + net = ip_network(subnet['static_subnet']) # add netmask string = str(net.prefixlen) + ',' # add network bytes @@ -701,17 +699,17 @@ def verify(dhcp): raise ConfigError('DHCP range stop address for start {0} is not defined!'.format(start)) # Start address must be inside network - if not ipaddress.ip_address(start) in ipaddress.ip_network(subnet['network']): + if not ip_address(start) in ip_network(subnet['network']): raise ConfigError('DHCP range start address {0} is not in subnet {1}\n' \ 'specified for shared network {2}!'.format(start, subnet['network'], network['name'])) # Stop address must be inside network - if not ipaddress.ip_address(stop) in ipaddress.ip_network(subnet['network']): + if not ip_address(stop) in ip_network(subnet['network']): raise ConfigError('DHCP range stop address {0} is not in subnet {1}\n' \ 'specified for shared network {2}!'.format(stop, subnet['network'], network['name'])) # Stop address must be greater or equal to start address - if not ipaddress.ip_address(stop) >= ipaddress.ip_address(start): + if not ip_address(stop) >= ip_address(start): raise ConfigError('DHCP range stop address {0} must be greater or equal\n' \ 'to the range start address {1}!'.format(stop, start)) @@ -731,7 +729,7 @@ def verify(dhcp): # Exclude addresses must be in bound for exclude in subnet['exclude']: - if not ipaddress.ip_address(exclude) in ipaddress.ip_network(subnet['network']): + if not ip_address(exclude) in ip_network(subnet['network']): raise ConfigError('Exclude IP address {0} is outside of the DHCP lease network {1}\n' \ 'under shared network {2}!'.format(exclude, subnet['network'], network['name'])) @@ -754,7 +752,7 @@ def verify(dhcp): if mapping['ip_address']: # Static IP address must be in bound - if not ipaddress.ip_address(mapping['ip_address']) in ipaddress.ip_network(subnet['network']): + if not ip_address(mapping['ip_address']) in ip_network(subnet['network']): raise ConfigError('DHCP static lease IP address {0} for static mapping {1}\n' \ 'in shared network {2} is outside DHCP lease subnet {3}!' \ .format(mapping['ip_address'], mapping['name'], network['name'], subnet['network'])) @@ -777,9 +775,9 @@ def verify(dhcp): subnets.append(subnet['network']) # Check for overlapping subnets - net = ipaddress.ip_network(subnet['network']) + net = ip_network(subnet['network']) for n in subnets: - net2 = ipaddress.ip_network(n) + net2 = ip_network(n) if (net != net2): if net.overlaps(net2): raise ConfigError('DHCP conflicting subnet ranges: {0} overlaps {1}'.format(net, net2)) |