86 lines
3.4 KiB
Python
86 lines
3.4 KiB
Python
|
# Copyright (c) 2014 Stefan C. Mueller
|
||
|
|
|
||
|
|
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
|
|
# of this software and associated documentation files (the "Software"), to
|
||
|
|
# deal in the Software without restriction, including without limitation the
|
||
|
|
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
||
|
|
# sell copies of the Software, and to permit persons to whom the Software is
|
||
|
|
# furnished to do so, subject to the following conditions:
|
||
|
|
#
|
||
|
|
# The above copyright notice and this permission notice shall be included in
|
||
|
|
# all copies or substantial portions of the Software.
|
||
|
|
#
|
||
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
|
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
|
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
|
|
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
|
|
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||
|
|
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
||
|
|
# IN THE SOFTWARE.
|
||
|
|
|
||
|
|
|
||
|
|
import sys
|
||
|
|
import os
|
||
|
|
import ctypes.util
|
||
|
|
import ipaddress
|
||
|
|
import collections
|
||
|
|
|
||
|
|
import ifaddr._shared as shared
|
||
|
|
#from ifaddr._shared import sockaddr, Interface, sockaddr_to_ip, ipv6_prefixlength
|
||
|
|
|
||
|
|
class ifaddrs(ctypes.Structure):
|
||
|
|
pass
|
||
|
|
ifaddrs._fields_ = [('ifa_next', ctypes.POINTER(ifaddrs)),
|
||
|
|
('ifa_name', ctypes.c_char_p),
|
||
|
|
('ifa_flags', ctypes.c_uint),
|
||
|
|
('ifa_addr', ctypes.POINTER(shared.sockaddr)),
|
||
|
|
('ifa_netmask', ctypes.POINTER(shared.sockaddr))]
|
||
|
|
|
||
|
|
libc = ctypes.CDLL(ctypes.util.find_library("c"), use_errno=True)
|
||
|
|
|
||
|
|
def get_adapters():
|
||
|
|
|
||
|
|
addr0 = addr = ctypes.POINTER(ifaddrs)()
|
||
|
|
retval = libc.getifaddrs(ctypes.byref(addr))
|
||
|
|
if retval != 0:
|
||
|
|
eno = ctypes.get_errno()
|
||
|
|
raise OSError(eno, os.strerror(eno))
|
||
|
|
|
||
|
|
ips = collections.OrderedDict()
|
||
|
|
|
||
|
|
def add_ip(adapter_name, ip):
|
||
|
|
if not adapter_name in ips:
|
||
|
|
ips[adapter_name] = shared.Adapter(adapter_name, adapter_name, [])
|
||
|
|
ips[adapter_name].ips.append(ip)
|
||
|
|
|
||
|
|
|
||
|
|
while addr:
|
||
|
|
name = addr[0].ifa_name
|
||
|
|
if sys.version_info[0] > 2:
|
||
|
|
name = name.decode(encoding='UTF-8')
|
||
|
|
ip = shared.sockaddr_to_ip(addr[0].ifa_addr)
|
||
|
|
if ip:
|
||
|
|
if addr[0].ifa_netmask and not addr[0].ifa_netmask[0].sa_familiy:
|
||
|
|
addr[0].ifa_netmask[0].sa_familiy = addr[0].ifa_addr[0].sa_familiy
|
||
|
|
netmask = shared.sockaddr_to_ip(addr[0].ifa_netmask)
|
||
|
|
if isinstance(netmask, tuple):
|
||
|
|
netmask = netmask[0]
|
||
|
|
if sys.version_info[0] > 2:
|
||
|
|
netmaskStr = str(netmask)
|
||
|
|
else:
|
||
|
|
netmaskStr = unicode(netmask)
|
||
|
|
prefixlen = shared.ipv6_prefixlength(ipaddress.IPv6Address(netmaskStr))
|
||
|
|
else:
|
||
|
|
if sys.version_info[0] > 2:
|
||
|
|
netmaskStr = str('0.0.0.0/' + netmask)
|
||
|
|
else:
|
||
|
|
netmaskStr = unicode('0.0.0.0/' + netmask)
|
||
|
|
prefixlen = ipaddress.IPv4Network(netmaskStr).prefixlen
|
||
|
|
ip = shared.IP(ip, prefixlen, name)
|
||
|
|
add_ip(name, ip)
|
||
|
|
addr = addr[0].ifa_next
|
||
|
|
|
||
|
|
libc.freeifaddrs(addr0)
|
||
|
|
|
||
|
|
return ips.values()
|