packet lib: dhcp: Fix to calculate Hardware address length

Reported-by: Sam Russell <sam.h.russell@gmail.com>
Signed-off-by: Minoru TAKAHASHI <takahashi.minoru7@gmail.com>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
This commit is contained in:
Minoru TAKAHASHI 2015-02-20 13:43:38 +09:00 committed by FUJITA Tomonori
parent e330e439b8
commit d1ff39ebab
2 changed files with 54 additions and 1 deletions

View File

@ -154,7 +154,7 @@ class dhcp(packet_base.PacketBase):
self.op = op
self.htype = htype
if hlen == 0:
self.hlen = len(chaddr)
self.hlen = len(addrconv.mac.text_to_bin(chaddr))
else:
self.hlen = hlen
self.hops = hops

View File

@ -205,3 +205,56 @@ class Test_dhcp_offer(unittest.TestCase):
jsondict = self.dh.to_jsondict()
dh = dhcp.dhcp.from_jsondict(jsondict['dhcp'])
eq_(str(self.dh), str(dh))
class Test_dhcp_offer_with_hlen_zero(unittest.TestCase):
op = dhcp.DHCP_BOOT_REPLY
chaddr = 'aa:aa:aa:aa:aa:aa'
htype = 1
hlen = 6
hops = 0
xid = 1
secs = 0
flags = 1
ciaddr = '192.168.10.10'
yiaddr = '192.168.20.20'
siaddr = '192.168.30.30'
giaddr = '192.168.40.40'
sname = 'abc'
boot_file = ''
option_list = [
dhcp.option(dhcp.DHCP_MESSAGE_TYPE_OPT, '\x02', 1),
dhcp.option(dhcp.DHCP_SUBNET_MASK_OPT, '\xff\xff\xff\x00', 4),
dhcp.option(dhcp.DHCP_GATEWAY_ADDR_OPT, '\xc0\xa8\x0a\x09', 4),
dhcp.option(dhcp.DHCP_DNS_SERVER_ADDR_OPT, '\xc0\xa8\x0a\x09', 4),
dhcp.option(dhcp.DHCP_IP_ADDR_LEASE_TIME_OPT, '\x00\x03\xf4\x80', 4),
dhcp.option(dhcp.DHCP_RENEWAL_TIME_OPT, '\x00\x01\xfa\x40', 4),
dhcp.option(dhcp.DHCP_REBINDING_TIME_OPT, '\x00\x03\x75\xf0', 4),
dhcp.option(dhcp.DHCP_SERVER_IDENTIFIER_OPT, '\xc0\xa8\x0a\x09', 4)]
magic_cookie = '99.130.83.99'
options = dhcp.options(option_list=option_list, options_len=50,
magic_cookie=magic_cookie)
dh = dhcp.dhcp(op, chaddr, options, htype=htype, hlen=0,
hops=hops, xid=xid, secs=secs, flags=flags,
ciaddr=ciaddr, yiaddr=yiaddr, siaddr=siaddr,
giaddr=giaddr, sname=sname, boot_file=boot_file)
def test_init(self):
eq_(self.op, self.dh.op)
eq_(self.htype, self.dh.htype)
eq_(self.hlen, self.dh.hlen)
eq_(self.hops, self.dh.hops)
eq_(self.xid, self.dh.xid)
eq_(self.secs, self.dh.secs)
eq_(self.flags, self.dh.flags)
eq_(self.ciaddr, self.dh.ciaddr)
eq_(self.yiaddr, self.dh.yiaddr)
eq_(self.siaddr, self.dh.siaddr)
eq_(self.giaddr, self.dh.giaddr)
eq_(self.chaddr, self.dh.chaddr)
eq_(self.sname, self.dh.sname)
eq_(self.boot_file, self.dh.boot_file)
eq_(str(self.options), str(self.dh.options))