| # -*- coding: utf-8 -*- |
| # |
| # Copyright 2009 - 2013 David Sommerseth <davids@redhat.com> |
| # |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 2 of the License, or |
| # (at your option) any later version. |
| # |
| # 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, write to the Free Software Foundation, Inc., |
| # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| # |
| # For the avoidance of doubt the "preferred form" of this code is one which |
| # is in an open unpatent encumbered format. Where cryptographic key signing |
| # forms part of the process of creating an executable the information |
| # including keys needed to generate an equivalently functional executable |
| # are deemed to be part of the source code. |
| # |
| |
| import ethtool, libxml2 |
| |
| class NetworkInfo(object): |
| def __init__(self): |
| pass |
| |
| def net_GetDefaultGW(self): |
| # Get the interface name for the IPv4 default gw |
| route = open('/proc/net/route') |
| defgw4 = None |
| if route: |
| rl = route.readline() |
| while rl != '' : |
| rl = route.readline() |
| splt = rl.split("\t") |
| # Only catch default route |
| if len(splt) > 2 and splt[2] != '00000000' and splt[1] == '00000000': |
| defgw4 = splt[0] |
| break |
| route.close() |
| return (defgw4, None) # IPv6 gw not yet implemented |
| |
| def MakeReport(self): |
| ncfg_n = libxml2.newNode("NetworkConfig") |
| (defgw4, defgw6) = self.net_GetDefaultGW() |
| |
| # Make an interface tag for each device found |
| if hasattr(ethtool, 'get_interfaces_info'): |
| # Using the newer python-ethtool API (version >= 0.4) |
| for dev in ethtool.get_interfaces_info(ethtool.get_devices()): |
| if cmp(dev.device,'lo') == 0: |
| continue |
| |
| intf_n = libxml2.newNode('interface') |
| intf_n.newProp('device', dev.device) |
| intf_n.newProp('hwaddr', dev.mac_address) |
| ncfg_n.addChild(intf_n) |
| |
| # Protcol configurations |
| if dev.ipv4_address: |
| ipv4_n = libxml2.newNode('IPv4') |
| ipv4_n.newProp('ipaddr', dev.ipv4_address) |
| ipv4_n.newProp('netmask', str(dev.ipv4_netmask)) |
| ipv4_n.newProp('broadcast', dev.ipv4_broadcast) |
| ipv4_n.newProp('defaultgw', (defgw4 == dev.device) and '1' or '0') |
| intf_n.addChild(ipv4_n) |
| |
| for ip6 in dev.get_ipv6_addresses(): |
| ipv6_n = libxml2.newNode('IPv6') |
| ipv6_n.newProp('ipaddr', ip6.address) |
| ipv6_n.newProp('netmask', str(ip6.netmask)) |
| ipv6_n.newProp('scope', ip6.scope) |
| intf_n.addChild(ipv6_n) |
| |
| else: # Fall back to older python-ethtool API (version < 0.4) |
| ifdevs = ethtool.get_active_devices() |
| ifdevs.remove('lo') |
| ifdevs.sort() |
| |
| for dev in ifdevs: |
| intf_n = libxml2.newNode('interface') |
| intf_n.newProp('device', dev.device) |
| intf_n.newProp('hwaddr', dev.mac_address) |
| ncfg_n.addChild(intf_n) |
| |
| ipv4_n = libxml2.newNode('IPv4') |
| ipv4_n.newProp('ipaddr', ethtool.get_ipaddr(dev)) |
| ipv4_n.newProp('netmask', str(ethtool.get_netmask(dev))) |
| ipv4_n.newProp('defaultgw', (defgw4 == dev) and '1' or '0') |
| intf_n.addChild(ipv4_n) |
| |
| return ncfg_n |
| |
| |
| def unit_test(rootdir): |
| import sys |
| try: |
| net = NetworkInfo() |
| doc = libxml2.newDoc('1.0') |
| cfg = net.MakeReport() |
| doc.setRootElement(cfg) |
| doc.saveFormatFileEnc('-', 'UTF-8', 1) |
| |
| except Exception, e: |
| import traceback |
| traceback.print_exc(file=sys.stdout) |
| print "** EXCEPTION %s", str(e) |
| return 1 |
| |
| if __name__ == '__main__': |
| unit_test(None) |
| |
