a991fed7e4
This reverts commit a67ed28584
.
The commit breaks OpenStack neutron dynamic routing.
219 lines
8.7 KiB
Python
219 lines
8.7 KiB
Python
# Copyright (C) 2013 Nippon Telegraph and Telephone Corporation.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import inspect
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import logging
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import struct
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import unittest
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import six
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from nose.tools import eq_
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from nose.tools import ok_
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from ryu.lib import addrconv
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from ryu.lib.packet import dhcp
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LOG = logging.getLogger(__name__)
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class Test_dhcp_offer(unittest.TestCase):
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op = dhcp.DHCP_BOOT_REPLY
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chaddr = 'aa:aa:aa:aa:aa:aa'
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htype = 1
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hlen = 6
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hops = 0
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xid = 1
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secs = 0
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flags = 1
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ciaddr = '192.168.10.10'
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yiaddr = '192.168.20.20'
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siaddr = '192.168.30.30'
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giaddr = '192.168.40.40'
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sname = 'abc'
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boot_file = ''
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option_list = [
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dhcp.option(dhcp.DHCP_MESSAGE_TYPE_OPT, b'\x02', 1),
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dhcp.option(dhcp.DHCP_SUBNET_MASK_OPT, b'\xff\xff\xff\x00', 4),
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dhcp.option(dhcp.DHCP_GATEWAY_ADDR_OPT, b'\xc0\xa8\x0a\x09', 4),
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dhcp.option(dhcp.DHCP_DNS_SERVER_ADDR_OPT, b'\xc0\xa8\x0a\x09', 4),
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dhcp.option(dhcp.DHCP_IP_ADDR_LEASE_TIME_OPT, b'\x00\x03\xf4\x80', 4),
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dhcp.option(dhcp.DHCP_RENEWAL_TIME_OPT, b'\x00\x01\xfa\x40', 4),
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dhcp.option(dhcp.DHCP_REBINDING_TIME_OPT, b'\x00\x03\x75\xf0', 4),
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dhcp.option(dhcp.DHCP_SERVER_IDENTIFIER_OPT, b'\xc0\xa8\x0a\x09', 4)]
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magic_cookie = '99.130.83.99'
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options = dhcp.options(option_list=option_list, options_len=50,
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magic_cookie=magic_cookie)
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dh = dhcp.dhcp(op, chaddr, options, htype=htype, hlen=hlen,
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hops=hops, xid=xid, secs=secs, flags=flags,
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ciaddr=ciaddr, yiaddr=yiaddr, siaddr=siaddr,
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giaddr=giaddr, sname=sname, boot_file=boot_file)
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buf = (
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b"\x02\x01\x06\x00\x00\x00\x00\x01\x00\x00\x00\x01\xc0\xa8\x0a\x0a"
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b"\xc0\xa8\x14\x14\xc0\xa8\x1e\x1e\xc0\xa8\x28\x28\xaa\xaa\xaa\xaa"
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b"\xaa\xaa\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x61\x62\x63\x00"
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b"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
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b"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
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b"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
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b"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
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b"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
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b"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
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b"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
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b"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
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b"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
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b"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
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b"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
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b"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x82\x53\x63"
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b"\x35\x01\x02\x01\x04\xff\xff\xff\x00\x03\x04\xc0\xa8\x0a\x09\x06"
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b"\x04\xc0\xa8\x0a\x09\x33\x04\x00\x03\xf4\x80\x3a\x04\x00\x01\xfa"
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b"\x40\x3b\x04\x00\x03\x75\xf0\x36\x04\xc0\xa8\x0a\x09\xff")
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def setUp(self):
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pass
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def tearDown(self):
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pass
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def test_init(self):
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eq_(self.op, self.dh.op)
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eq_(self.htype, self.dh.htype)
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eq_(self.hlen, self.dh.hlen)
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eq_(self.hops, self.dh.hops)
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eq_(self.xid, self.dh.xid)
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eq_(self.secs, self.dh.secs)
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eq_(self.flags, self.dh.flags)
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eq_(self.ciaddr, self.dh.ciaddr)
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eq_(self.yiaddr, self.dh.yiaddr)
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eq_(self.siaddr, self.dh.siaddr)
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eq_(self.giaddr, self.dh.giaddr)
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eq_(self.chaddr, self.dh.chaddr)
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eq_(self.sname, self.dh.sname)
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eq_(self.boot_file, self.dh.boot_file)
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eq_(str(self.options), str(self.dh.options))
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def test_parser(self):
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res, _, rest = dhcp.dhcp.parser(self.buf)
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eq_(self.op, res.op)
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eq_(self.htype, res.htype)
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eq_(self.hlen, res.hlen)
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eq_(self.hops, res.hops)
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eq_(self.xid, res.xid)
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eq_(self.secs, res.secs)
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eq_(self.flags, res.flags)
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eq_(self.ciaddr, res.ciaddr)
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eq_(self.yiaddr, res.yiaddr)
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eq_(self.siaddr, res.siaddr)
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eq_(self.giaddr, res.giaddr)
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eq_(self.chaddr, res.chaddr)
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# sname is 64 byte length. rest of data is filled by '\x00'.
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eq_(self.sname.ljust(64, '\x00'), res.sname)
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# boof_file is 128 byte length. rest of data is filled by '\x00'.
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eq_(self.boot_file.ljust(128, '\x00'), res.boot_file)
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eq_(str(self.options), str(res.options))
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eq_(b'', rest)
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def test_parser_corrupted(self):
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corrupt_buf = self.buf[:-4]
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pkt, _, rest = dhcp.dhcp.parser(corrupt_buf)
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ok_(isinstance(pkt, dhcp.dhcp))
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ok_(isinstance(pkt.options, dhcp.options))
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for opt in pkt.options.option_list[:-1]:
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ok_(isinstance(opt, dhcp.option))
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ok_(isinstance(pkt.options.option_list[-1], six.binary_type))
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buf = pkt.serialize()
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eq_(str(buf), str(corrupt_buf))
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eq_(b'', rest)
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def test_serialize(self):
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buf = self.dh.serialize()
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res = struct.unpack_from(dhcp.dhcp._DHCP_PACK_STR,
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six.binary_type(buf))
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eq_(self.op, res[0])
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eq_(self.htype, res[1])
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eq_(self.hlen, res[2])
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eq_(self.hops, res[3])
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eq_(self.xid, res[4])
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eq_(self.secs, res[5])
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eq_(self.flags, res[6])
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eq_(self.ciaddr, addrconv.ipv4.bin_to_text(res[7]))
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eq_(self.yiaddr, addrconv.ipv4.bin_to_text(res[8]))
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eq_(self.siaddr, addrconv.ipv4.bin_to_text(res[9]))
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eq_(self.giaddr, addrconv.ipv4.bin_to_text(res[10]))
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eq_(self.chaddr, addrconv.mac.bin_to_text(res[11][:6]))
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# sname is 64 byte length. rest of data is filled by '\x00'.
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eq_(self.sname.ljust(64, '\x00'), res[12].decode('ascii'))
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# boof_file is 128 byte length. rest of data is filled by '\x00'.
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eq_(self.boot_file.ljust(128, '\x00'), res[13].decode('ascii'))
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options = dhcp.options.parser(
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buf[struct.calcsize(dhcp.dhcp._DHCP_PACK_STR):])
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eq_(str(self.options), str(options))
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def test_to_string(self):
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option_values = ['tag', 'length', 'value']
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opt_str_list = []
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for option in self.option_list:
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_opt_str = ','.join(['%s=%s' % (k, repr(getattr(option, k)))
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for k, v in inspect.getmembers(option)
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if k in option_values])
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opt_str = '%s(%s)' % (dhcp.option.__name__, _opt_str)
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opt_str_list.append(opt_str)
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option_str = '[%s]' % ', '.join(opt_str_list)
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opts_vals = {'magic_cookie': repr(self.magic_cookie),
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'option_list': option_str,
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'options_len': repr(self.options.options_len)}
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_options_str = ','.join(['%s=%s' % (k, opts_vals[k])
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for k, v in inspect.getmembers(self.options)
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if k in opts_vals])
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options_str = '%s(%s)' % (dhcp.options.__name__, _options_str)
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dhcp_values = {'op': repr(self.op),
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'htype': repr(self.htype),
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'hlen': repr(self.hlen),
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'hops': repr(self.hops),
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'xid': repr(self.xid),
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'secs': repr(self.secs),
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'flags': repr(self.flags),
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'ciaddr': repr(self.ciaddr),
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'yiaddr': repr(self.yiaddr),
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'siaddr': repr(self.siaddr),
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'giaddr': repr(self.giaddr),
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'chaddr': repr(self.chaddr),
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'sname': repr(self.sname),
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'boot_file': repr(self.boot_file),
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'options': options_str}
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_dh_str = ','.join(['%s=%s' % (k, dhcp_values[k])
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for k, v in inspect.getmembers(self.dh)
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if k in dhcp_values])
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dh_str = '%s(%s)' % (dhcp.dhcp.__name__, _dh_str)
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eq_(str(self.dh), dh_str)
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eq_(repr(self.dh), dh_str)
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def test_json(self):
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jsondict = self.dh.to_jsondict()
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dh = dhcp.dhcp.from_jsondict(jsondict['dhcp'])
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eq_(str(self.dh), str(dh))
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