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#!/usr/bin/env python
import sys, unittest
sys.path.insert(0, './build')
import dnet
class AddrTestCase(unittest.TestCase):
def test_addr_cmp(self):
for atxt in ('1.2.3.0', '0:d:e:a:d:0', 'fe::ed:fa:ce:0'):
a = dnet.addr(atxt)
b = dnet.addr(atxt)
assert a == b
b = dnet.addr(atxt[:-1] + '1')
assert a < b
assert b > a
def test_addr_bcast(self):
d = { 32:'10.0.0.0', 31:'10.0.0.1', 30:'10.0.0.3', 29:'10.0.0.7',
28:'10.0.0.15', 27:'10.0.0.31', 26:'10.0.0.63', 25:'10.0.0.127',
24:'10.0.0.255', 23:'10.0.1.255', 22:'10.0.3.255',
21:'10.0.7.255', 20:'10.0.15.255', 19:'10.0.31.255' }
for bits in d:
a = dnet.addr('%s/%d' % (d[32], bits))
b = a.bcast()
self.failUnless(b.__str__() == d[bits],
'wrong bcast for /%d' % bits)
def test_addr_net(self):
d = { 32:'1.255.255.255', 31:'1.255.255.254', 30:'1.255.255.252',
29:'1.255.255.248', 28:'1.255.255.240', 27:'1.255.255.224',
26:'1.255.255.192', 25:'1.255.255.128', 24:'1.255.255.0',
23:'1.255.254.0', 22:'1.255.252.0', 21:'1.255.248.0',
20:'1.255.240.0', 19:'1.255.224.0' }
for bits in d:
a = dnet.addr('%s/%d' % (d[32], bits))
b = a.net()
self.failUnless(b.__str__() == d[bits],
'wrong net for /%d' % bits)
def test_addr_properties(self):
atxt = '1.2.3.4/24'
a = dnet.addr(atxt)
assert a.type == dnet.ADDR_TYPE_IP and a.bits == 24
assert a.ip == '\x01\x02\x03\x04' and a.__str__() == atxt
try: self.failUnless(a.eth == 'xxx', 'invalid eth property')
except ValueError: pass
atxt = '00:0d:0e:0a:0d:00'
a = dnet.addr(atxt)
assert a == dnet.addr('0:d:E:a:D:0')
assert a.type == dnet.ADDR_TYPE_ETH and a.bits == 48
assert a.eth == '\x00\x0d\x0e\x0a\x0d\x00' and a.__str__() == atxt
try: self.failUnless(a.ip6 == 'xxx', 'invalid ip6 property')
except ValueError: pass
atxt = 'fe80::dead:beef:feed:face/48'
a = dnet.addr(atxt)
assert a == dnet.addr('fe80:0:0::dead:beef:feed:face/48')
assert a.type == dnet.ADDR_TYPE_IP6 and a.bits == 48
assert a.ip6 == '\xfe\x80\x00\x00\x00\x00\x00\x00\xde\xad\xbe\xef\xfe\xed\xfa\xce' and a.__str__() == atxt
try: self.failUnless(a.ip == 'xxx', 'invalid ip property')
except ValueError: pass
class ArpTestCase(unittest.TestCase):
def setUp(self):
self.arp = dnet.arp()
self.failUnless(self.arp, "couldn't open ARP handle")
def tearDown(self):
del self.arp
def test_arp(self):
# XXX - site-specific values here!
pa = dnet.addr('192.168.0.123')
ha = dnet.addr('0:d:e:a:d:0')
self.failUnless(self.arp.add(pa, ha) == None, "couldn't add ARP entry")
self.failUnless(self.arp.get(pa) == ha, "couldn't find ARP entry")
self.failUnless(self.arp.delete(pa) == None, "couldn't delete ARP entry")
def __arp_cb(self, pa, ha, arg):
# XXX - do nothing
return arg
def test_arp_loop(self):
assert self.arp.loop(self.__arp_cb, 0) == 0
assert self.arp.loop(self.__arp_cb, 123) == 123
def test_arp_misc(self):
sha = '\x00\x0d\x0e\x0a\x0d\x00'
spa = '\x01\x02\x03\x04'
dha = '\x00\x0b\x0e\x0e\x0f\x00'
dpa = '\x05\x06\x07\x08'
msg = dnet.arp_pack_hdr_ethip(dnet.ARP_OP_REQUEST, sha, spa, dha, dpa)
assert msg == '\x00\x01\x08\x00\x06\x04\x00\x01\x00\r\x0e\n\r\x00\x01\x02\x03\x04\x00\x0b\x0e\x0e\x0f\x00\x05\x06\x07\x08'
class EthTestCase(unittest.TestCase):
def setUp(self):
self.dev = dnet.intf().get_dst(dnet.addr('1.2.3.4'))['name']
self.eth = dnet.eth(self.dev)
self.failUnless(self.eth, "couldn't open Ethernet handle")
def tearDown(self):
del self.eth
def test_eth_get(self):
mac = self.eth.get()
self.failUnless(mac, "couldn't get Ethernet address for %s" % self.dev)
def test_eth_misc(self):
n = "\x00\x0d\x0e\x0a\x0d\x00"
a = '00:0d:0e:0a:0d:00'
self.failUnless(dnet.eth_ntoa(n) == a)
self.failUnless(dnet.eth_aton(a) == n)
dst = "\x00\x0d\x0e\x0a\x0d\x01"
self.failUnless(dnet.eth_pack_hdr(n, dst, dnet.ETH_TYPE_IP) ==
'\x00\r\x0e\n\r\x00\x00\r\x0e\n\r\x01\x08\x00')
class FwTestCase(unittest.TestCase):
def setUp(self):
self.dev = dnet.intf().get_dst(dnet.addr('1.2.3.4'))['name']
self.fw = dnet.fw()
self.failUnless(self.fw, "couldn't open firewall handle")
def tearDown(self):
del self.fw
def test_fw(self):
src = dnet.addr('1.2.3.4')
dst = dnet.addr('5.6.7.8')
d = { 'device':self.dev,
'op':dnet.FW_OP_BLOCK,
'dir':dnet.FW_DIR_OUT,
'proto':dnet.IP_PROTO_UDP,
'src':src,
'dst':dst,
'dport':(660, 666)
}
self.failUnless(self.fw.add(d) == None,
"couldn't add firewall rule: %s" % d)
self.failUnless(self.fw.delete(d) == None,
"couldn't delete firewall rule: %s" % d)
def __fw_cb(self, rule, arg):
# XXX - do nothing
return arg
def test_fw_loop(self):
assert self.fw.loop(self.__fw_cb, 0) == 0
# XXX - no guarantee of existing fw rules.
#assert self.fw.loop(self.__fw_cb, 123) == 123
class IntfTestCase(unittest.TestCase):
def setUp(self):
self.intf = dnet.intf()
self.failUnless(self.intf, "couldn't open interface handle")
def tearDown(self):
del self.intf
def test_intf_get(self):
lo0 = self.intf.get('lo0')
self.failUnless(lo0['name'] == 'lo0', "couldn't get loopback config")
self.failUnless(self.intf.get_src(dnet.addr('127.0.0.1')) == lo0,
"couldn't get_src 127.0.0.1")
gw = self.intf.get_dst(dnet.addr('1.2.3.4'))
self.failUnless(gw, "couldn't get outgoing interface")
def test_intf_set(self):
lo0 = self.intf.get('lo0')
old_mtu = lo0['mtu']
new_mtu = 1234
lo0['mtu'] = new_mtu
self.intf.set(lo0)
lo0 = self.intf.get('lo0')
assert lo0['mtu'] == new_mtu
lo0['mtu'] = old_mtu
self.intf.set(lo0)
def __intf_cb(self, ifent, arg):
# XXX - do nothing
return arg
def test_intf_loop(self):
assert self.intf.loop(self.__intf_cb, 0) == 0
assert self.intf.loop(self.__intf_cb, 123) == 123
class IpTestCase(unittest.TestCase):
def setUp(self):
self.ip = dnet.ip()
self.failUnless(self.ip, "couldn't open raw IP handle")
def tearDown(self):
del self.ip
def test_ip_misc(self):
n = '\x01\x02\x03\x04'
a = '1.2.3.4'
self.failUnless(dnet.ip_ntoa(n) == a)
self.failUnless(dnet.ip_aton(a) == n)
dst = '\x05\x06\x07\x08'
hdr = dnet.ip_pack_hdr(0, dnet.IP_HDR_LEN, 666, 0, 255,
dnet.IP_PROTO_UDP, n, dst)
assert hdr == 'E\x00\x00\x14\x02\x9a\x00\x00\xff\x11\x00\x00\x01\x02\x03\x04\x05\x06\x07\x08'
hdr = dnet.ip_checksum(hdr)
assert hdr == 'E\x00\x00\x14\x02\x9a\x00\x00\xff\x11\xa9+\x01\x02\x03\x04\x05\x06\x07\x08'
class RandTestCase(unittest.TestCase):
def setUp(self):
self.rand = dnet.rand()
self.failUnless(self.rand, "couldn't open random handle")
def tearDown(self):
del self.rand
class RouteTestCase(unittest.TestCase):
def setUp(self):
self.route = dnet.route()
self.failUnless(self.route, "couldn't open route handle")
def tearDown(self):
del self.route
def test_route(self):
dst = dnet.addr('1.2.3.4/24')
gw = dnet.addr('127.0.0.1')
self.route.add(dst, gw)
self.failUnless(self.route.get(dst) == gw)
self.route.delete(dst)
def __route_cb(self, dst, gw, arg):
# XXX - do nothing
return arg
def test_route_loop(self):
assert self.route.loop(self.__route_cb, 0) == 0
assert self.route.loop(self.__route_cb, 123) == 123
if __name__ == '__main__':
unittest.main()
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