def convert_if_announcemsg(msg):
ret = ifinfmsg()
ret['header']['type'] = RTNL_DELLINK if msg['ifan_what'] else RTNL_NEWLINK
ret['index'] = msg['ifan_index']
ret['attrs'] = [['IFLA_IFNAME', msg['ifan_name']]]
del ret['value']
return ret
def _GetAdaptersInfo(self):
ret = {'interfaces': [], 'addresses': []}
# prepare buffer
buf = ctypes.create_string_buffer(15000)
buf_len = ctypes.c_ulong(15000)
(
ctypes.windll.iphlpapi.GetAdaptersInfo(
ctypes.byref(buf), ctypes.byref(buf_len)
)
)
adapter = IP_ADAPTER_INFO.from_address(ctypes.addressof(buf))
while True:
mac = ':'.join(['%02x' % x for x in adapter.Address][:6])
ifname = ctypes.string_at(
ctypes.addressof(adapter.AdapterName)
).decode('utf-8')
spec = {
'index': adapter.Index,
'attrs': (['IFLA_ADDRESS', mac], ['IFLA_IFNAME', ifname]),
}
msg = ifinfmsg().load(spec)
del msg['value']
ret['interfaces'].append(msg)
ipaddr = adapter.IpAddressList
while True:
addr = ctypes.string_at(
ctypes.addressof(ipaddr.IpAddress)
).decode('utf-8')
mask = ctypes.string_at(
ctypes.addressof(ipaddr.IpMask)
).decode('utf-8')
spec = {
'index': adapter.Index,
'family': AF_INET,
'prefixlen': dqn2int(mask),
'attrs': (
['IFA_ADDRESS', addr],
['IFA_LOCAL', addr],
['IFA_LABEL', ifname],
),
}
msg = ifaddrmsg().load(spec)
del msg['value']
ret['addresses'].append(msg)
if ipaddr.Next:
ipaddr = ipaddr.Next.contents
else:
break
if adapter.Next:
adapter = adapter.Next.contents
else:
break
return ret
def _flush_mnl(self):
if self.mnl is not None:
# terminate the main loop
for t in range(3):
try:
msg = ifinfmsg()
msg['index'] = 1
msg.reset()
self.mnl.put(msg, RTM_GETLINK)
except Exception as e:
log.error("shutdown error: %s", e)
def fake_zero_if(self):
url = 'https://github.com/svinota/pyroute2/issues/737'
zero_if = ifinfmsg()
zero_if['index'] = 0
zero_if['state'] = 'up'
zero_if['flags'] = 1
zero_if['header']['flags'] = 2
zero_if['header']['type'] = 16
zero_if['header']['target'] = self.target
zero_if['event'] = 'RTM_NEWLINK'
zero_if['attrs'] = [('IFLA_IFNAME', url),
('IFLA_ADDRESS', '00:00:00:00:00:00')]
zero_if.encode()
self.evq.put([
zero_if,
])
def get_links(self, *argv, **kwarg):
ret = []
data = self._ifc.run()
parsed = self._ifc.parse(data)
for name, spec in parsed['links'].items():
msg = ifinfmsg().load(spec)
msg['header']['type'] = RTM_NEWLINK
del msg['value']
flags = msg['flags']
new_flags = 0
for value, name in IFF_VALUES.items():
if value & flags and name in IFF_NAMES:
new_flags |= IFF_NAMES[name]
msg['flags'] = new_flags
ret.append(msg)
return ret
def proxy_dellink(imsg, nl):
orig_msg = ifinfmsg(imsg.data)
orig_msg.decode()
# get full interface description
msg = nl.get_links(orig_msg['index'])[0]
msg['header']['type'] = orig_msg['header']['type']
# get the interface kind
kind = None
li = msg.get_attr('IFLA_LINKINFO')
if li is not None:
kind = li.get_attr('IFLA_INFO_KIND')
# team interfaces can be stopped by a normal RTM_DELLINK
if kind == 'bond' and not nl.capabilities['create_bond']:
return compat_del_bond(msg)
elif kind == 'bridge' and not nl.capabilities['create_bridge']:
return compat_del_bridge(msg)
return {'verdict': 'forward', 'data': imsg.data}
def proxy_newlink(imsg, nl):
msg = ifinfmsg(imsg.data)
msg.decode()
kind = None
# get the interface kind
linkinfo = msg.get_attr('IFLA_LINKINFO')
if linkinfo is not None:
kind = [x[1] for x in linkinfo['attrs'] if x[0] == 'IFLA_INFO_KIND']
if kind:
kind = kind[0]
if kind == 'tuntap':
return manage_tuntap(msg)
elif kind == 'team':
return manage_team(msg)
elif kind == 'bond' and not nl.capabilities['create_bond']:
return compat_create_bond(msg)
elif kind == 'bridge' and not nl.capabilities['create_bridge']:
return compat_create_bridge(msg)
return {'verdict': 'forward', 'data': imsg.data}
def proxy_setlink(imsg, nl):
def get_interface(index):
msg = nl.get_links(index)[0]
try:
kind = msg.get_attr('IFLA_LINKINFO').get_attr('IFLA_INFO_KIND')
except AttributeError:
kind = 'unknown'
return {
'ifname': msg.get_attr('IFLA_IFNAME'),
'master': msg.get_attr('IFLA_MASTER'),
'kind': kind,
}
msg = ifinfmsg(imsg.data)
msg.decode()
forward = True
kind = None
infodata = None
ifname = (msg.get_attr('IFLA_IFNAME')
or get_interface(msg['index'])['ifname'])
linkinfo = msg.get_attr('IFLA_LINKINFO')
if linkinfo:
kind = linkinfo.get_attr('IFLA_INFO_KIND')
infodata = linkinfo.get_attr('IFLA_INFO_DATA')
if kind in ('bond', 'bridge') and infodata is not None:
code = 0
#
if kind == 'bond':
func = compat_set_bond
elif kind == 'bridge':
func = compat_set_bridge
#
for (cmd, value) in infodata.get('attrs', []):
cmd = infodata.nla2name(cmd)
code = func(ifname, cmd, value) or code
#
if code:
err = OSError()
err.errno = code
raise err
# is it a port setup?
master = msg.get_attr('IFLA_MASTER')
if master is not None:
if master == 0:
# port delete
# 1. get the current master
iface = get_interface(msg['index'])
master = get_interface(iface['master'])
cmd = 'del'
else:
# port add
# 1. get the master
master = get_interface(master)
cmd = 'add'
# 2. manage the port
forward_map = {
'team': manage_team_port,
'bridge': compat_bridge_port,
'bond': compat_bond_port,
}
if master['kind'] in forward_map:
func = forward_map[master['kind']]
forward = func(cmd, master['ifname'], ifname, nl)
if forward is not None:
return {'verdict': 'forward', 'data': imsg.data}
