172 lines
4.8 KiB
Python
172 lines
4.8 KiB
Python
import ipaddress
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##
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import netaddr
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from pyroute2 import IPRoute
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##
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from . import utils
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from . import radvd
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class IP(object):
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type = None
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version = None
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_ip = ipaddress.ip_address
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_net = ipaddress.ip_network
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_net_ip = netaddr.IPAddress
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_net_net = netaddr.IPNetwork
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def __init__(self, ip, prefix, *args, **kwargs):
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self.str = ip
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self.prefix = int(prefix)
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self.net_ip = self._net_ip(self.str)
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self.net_net = self._net_net('{0}/{1}'.format(self.str, self.prefix))
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def _ext_init(self):
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self.ip = self._ip(self.str)
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self.net = self._net('{0}/{1}'.format(self.str, self.prefix), strict = False)
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return(None)
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class IP4(IP):
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type = 'IPv4'
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version = 4
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_ip = ipaddress.IPv4Address
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_net = ipaddress.IPv4Network
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def __init__(self, ip, prefix, *args, **kwargs):
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super().__init__(ip, prefix, *args, **kwargs)
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self._ext_init()
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class IP6(IP):
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type = 'IPv6'
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version = 6
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_ip = ipaddress.IPv6Address
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_net = ipaddress.IPv6Network
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def __init__(self, ip, prefix, *args, **kwargs):
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super().__init__(ip, prefix, *args, **kwargs)
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self._ext_init()
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self.alloc_block = netaddr.SubnetSplitter(self.net_net)
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class Assignment(object):
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def __init__(self, assign_xml, radvd = False, dns = False):
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self.xml = assign_xml
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self.do_radvd = radvd
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self.radvd_dns = dns
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self.iface = None
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self.iface_idx = None
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self.iface_addrs = []
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self.iface_blocks = []
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self.alloc = None # This must be set externally to a mapped Allocation instance
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self.alloc_id = None
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self.prefix = None
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self.alloc_block = None
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self.parse()
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def _alloc(self):
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self.alloc_id = int(self.xml.attrib['alloc'].strip())
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return(None)
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def _iface(self):
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_iface_txt = self.xml.attrib['iface'].strip()
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self.iface = _iface_txt.strip()
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ipr = IPRoute()
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self.iface_idx = ipr.link_lookup(ifname = self.iface)[0]
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ipr.close()
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return(None)
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def _prefix(self):
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self.prefix = int(self.xml.attrib.get('prefix', 64).strip())
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return(None)
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def parse(self):
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self._iface()
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self._alloc()
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self._prefix()
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return(None)
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def parse_alloc(self):
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self.alloc_block = self.alloc.ip.alloc_block
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self.iface_blocks = self.alloc_block.extract_subnet(self.prefix, count = 1)
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for i in self.iface_blocks:
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self.iface_addrs.append(IP6(str(next(i.iter_hosts())), 128))
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return(None)
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class Allocation(object):
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def __init__(self, alloc_net):
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_ip, _prefix = alloc_net.split('/')
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self.id = int(_prefix.strip())
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self.prefix = self.id
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self.ip = IP6(_ip.strip(), self.prefix)
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class Tunnel(object):
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def __init__(self, tun_xml, he_tunnel, creds):
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self.xml = tun_xml
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self.creds = creds
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self.he = he_tunnel
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self.update_key = self.he.creds.password
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self.id = None
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self.client = None
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self.server = None
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self.endpoint = None
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self.radvd = None
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self.enable_radvd = None
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self.radvd_dns = None
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self.allocations = {} # This is a dict of {}[alloc.id] = Allocation obj
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self.assignments = [] # This is a list of Assignment objs
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self.parse()
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def _allocations(self):
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self.allocations = self.he.allocations
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return(None)
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def _assignments(self):
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_assigns_xml = self.xml.find('assignments')
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self.enable_radvd = utils.xml2bool(_assigns_xml.attrib.get('radvd', 'false'))
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self.radvd_dns = utils.xml2bool(_assigns_xml.attrib.get('radvdDns', 'false'))
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for _assign_xml in _assigns_xml.findall('assign'):
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assign = Assignment(_assign_xml, radvd = self.enable_radvd, dns = self.radvd_dns)
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assign.alloc = self.allocations[assign.alloc_id]
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assign.parse_alloc()
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self.assignments.append(assign)
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return(None)
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def _client(self):
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self.client = self.he.client
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return(None)
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def _creds(self):
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self.creds_id = self.xml.attrib['creds'].strip()
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return(None)
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def _endpoint(self):
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self.endpoint = self.he.endpoint
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return(None)
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def _id(self):
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self.id = int(self.xml.attrib['id'].strip())
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return(None)
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def _radvd(self):
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self.radvd = radvd.RADVD()
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self.radvd.conf.generate(self.assignments)
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return(None)
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def _server(self):
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self.server = self.he.server
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return(None)
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def parse(self):
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self._id()
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self._creds()
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self._client()
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self._server()
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self._allocations()
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self._assignments()
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self._radvd()
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return(None)
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