Newer
Older
############
############
+ Care-of Test Init Message
= MIP6MH_CoTI - Build (default values)
raw(IPv6(src="2001:db8::1", dst="2001:db8::2")/MIP6MH_CoTI()) == b'`\x00\x00\x00\x00\x10\x87@ \x01\r\xb8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01 \x01\r\xb8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02;\x01\x02\x00f\xf2\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
a=IPv6(b'`\x00\x00\x00\x00\x10\x87@ \x01\r\xb8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01 \x01\r\xb8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02;\x01\x02\x00f\xf2\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
a.nh == 135 and isinstance(b, MIP6MH_CoTI) and b.nh==59 and b.mhtype == 2 and b.len== 1 and b.res == 0 and b.cksum == 0x66f2 and b.cookie == b'\x00'*8
raw(IPv6(src="2001:db8::1", dst="2001:db8::2")/MIP6MH_CoTI(res=0x77, cksum=0x8899, cookie=b"\xAA"*8)) == b'`\x00\x00\x00\x00\x10\x87@ \x01\r\xb8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01 \x01\r\xb8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02;\x01\x02w\x88\x99\x00\x00\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa'
a=IPv6(b'`\x00\x00\x00\x00\x10\x87@ \x01\r\xb8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01 \x01\r\xb8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02;\x01\x02w\x88\x99\x00\x00\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa')
a.nh == 135 and isinstance(b, MIP6MH_CoTI) and b.nh==59 and b.mhtype == 2 and b.len == 1 and b.res == 0x77 and b.cksum == 0x8899 and b.cookie == b'\xAA'*8
############
############
+ Home Test Message
= MIP6MH_HoT - Build (default values)
raw(IPv6(src="2001:db8::1", dst="2001:db8::2")/MIP6MH_HoT()) == b'`\x00\x00\x00\x00\x18\x87@ \x01\r\xb8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01 \x01\r\xb8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02;\x02\x03\x00e\xe9\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
a=IPv6(b'`\x00\x00\x00\x00\x18\x87@ \x01\r\xb8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01 \x01\r\xb8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02;\x02\x03\x00e\xe9\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
a.nh == 135 and isinstance(b, MIP6MH_HoT) and b.nh==59 and b.mhtype == 3 and b.len== 2 and b.res == 0 and b.cksum == 0x65e9 and b.index == 0 and b.cookie == b'\x00'*8 and b.token == b'\x00'*8
raw(IPv6(src="2001:db8::1", dst="2001:db8::2")/MIP6MH_HoT(res=0x77, cksum=0x8899, cookie=b"\xAA"*8, index=0xAABB, token=b'\xCC'*8)) == b'`\x00\x00\x00\x00\x18\x87@ \x01\r\xb8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01 \x01\r\xb8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02;\x02\x03w\x88\x99\xaa\xbb\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc'
a=IPv6(b'`\x00\x00\x00\x00\x18\x87@ \x01\r\xb8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01 \x01\r\xb8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02;\x02\x03w\x88\x99\xaa\xbb\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc')
a.nh == 135 and isinstance(b, MIP6MH_HoT) and b.nh==59 and b.mhtype == 3 and b.len== 2 and b.res == 0x77 and b.cksum == 0x8899 and b.index == 0xAABB and b.cookie == b'\xAA'*8 and b.token == b'\xCC'*8
= MIP6MH_HoT answers
a1, a2 = "2001:db8::1", "2001:db8::2"
cookie = RandString(8)._fix()
p1 = IPv6(src=a1, dst=a2)/MIP6MH_HoTI(cookie=cookie)
p2 = IPv6(src=a2, dst=a1)/MIP6MH_HoT(cookie=cookie)
p2_ko = IPv6(src=a2, dst=a1)/MIP6MH_HoT(cookie="".join(chr((orb(b'\xff') + 1) % 256)))
assert p1.hashret() == p2.hashret() and p2.answers(p1) and not p1.answers(p2)
assert p1.hashret() != p2_ko.hashret() and not p2_ko.answers(p1) and not p1.answers(p2_ko)
############
############
+ Care-of Test Message
= MIP6MH_CoT - Build (default values)
raw(IPv6(src="2001:db8::1", dst="2001:db8::2")/MIP6MH_CoT()) == b'`\x00\x00\x00\x00\x18\x87@ \x01\r\xb8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01 \x01\r\xb8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02;\x02\x04\x00d\xe9\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
a=IPv6(b'`\x00\x00\x00\x00\x18\x87@ \x01\r\xb8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01 \x01\r\xb8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02;\x02\x04\x00d\xe9\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
a.nh == 135 and isinstance(b, MIP6MH_HoT) and b.nh==59 and b.mhtype == 4 and b.len== 2 and b.res == 0 and b.cksum == 0x64e9 and b.index == 0 and b.cookie == b'\x00'*8 and b.token == b'\x00'*8
raw(IPv6(src="2001:db8::1", dst="2001:db8::2")/MIP6MH_CoT(res=0x77, cksum=0x8899, cookie=b"\xAA"*8, index=0xAABB, token=b'\xCC'*8)) == b'`\x00\x00\x00\x00\x18\x87@ \x01\r\xb8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01 \x01\r\xb8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02;\x02\x04w\x88\x99\xaa\xbb\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc'
a=IPv6(b'`\x00\x00\x00\x00\x18\x87@ \x01\r\xb8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01 \x01\r\xb8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02;\x02\x04w\x88\x99\xaa\xbb\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc')
a.nh == 135 and isinstance(b, MIP6MH_CoT) and b.nh==59 and b.mhtype == 4 and b.len== 2 and b.res == 0x77 and b.cksum == 0x8899 and b.index == 0xAABB and b.cookie == b'\xAA'*8 and b.token == b'\xCC'*8
############
############
+ Binding Update Message
= MIP6MH_BU - build (default values)
s= b'`\x00\x00\x00\x00(<@\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x87\x02\x01\x02\x00\x00\xc9\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00;\x01\x05\x00\xee`\x00\x00\xd0\x00\x00\x03\x01\x02\x00\x00'
raw(IPv6()/IPv6ExtHdrDestOpt(options=[HAO()])/MIP6MH_BU()) == s
= MIP6MH_BU - dissection (default values)
p = IPv6(s)
p[MIP6MH_BU].len == 1
= MIP6MH_BU - build
s = b'`\x00\x00\x00\x00P<@\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x87\x02\x01\x02\x00\x00\xc9\x10 \x01\r\xb8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xca\xfe;\x06\x05\x00\xea\xf2\x00\x00\xd0\x00\x00*\x01\x00\x03\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x02\x00\x00\x06\x12\x00@\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
raw(IPv6()/IPv6ExtHdrDestOpt(options=[HAO(hoa='2001:db8::cafe')])/MIP6MH_BU(mhtime=42, options=[MIP6OptAltCoA(),MIP6OptMobNetPrefix()])) == s
= MIP6MH_BU - dissection
p = IPv6(s)
p[MIP6MH_BU].cksum == 0xeaf2 and p[MIP6MH_BU].len == 6 and len(p[MIP6MH_BU].options) == 4 and p[MIP6MH_BU].mhtime == 42
############
############
s = b'`\x00\x00\x00\x00\x10\x87@\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01;\x01\x06\x00\xbc\xb9\x00\x80\x00\x00\x00*\x01\x02\x00\x00'
= MIP6MH_BA - dissection
p = IPv6(s)
p[MIP6MH_BA].cksum == 0xbcb9 and p[MIP6MH_BA].len == 1 and len(p[MIP6MH_BA].options) == 1 and p[MIP6MH_BA].mhtime == 42
############
############
s = b'`\x00\x00\x00\x00\x18\x87@\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01;\x02\x07\x00\xbbY\x02\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'
raw(IPv6()/MIP6MH_BE(status=2, ha='1::2')) == s
= MIP6MH_BE - dissection
p = IPv6(s)
p[MIP6MH_BE].cksum=0xba10 and p[MIP6MH_BE].len == 1 and len(p[MIP6MH_BE].options) == 1
############
############
+ Netflow v5
= NetflowHeaderV5 - basic building
raw(NetflowHeader()/NetflowHeaderV5()) == b'\x00\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
raw(NetflowHeaderV5(engineID=42)) == b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00*\x00\x00'
raw(NetflowRecordV5(dst="192.168.0.1")) == b'\x7f\x00\x00\x01\xc0\xa8\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00<\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00'
raw(NetflowHeader()/NetflowHeaderV5(count=1)/NetflowRecordV5(dst="192.168.0.1")) == b'\x00\x05\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x7f\x00\x00\x01\xc0\xa8\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00<\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00'
= NetflowHeaderV5 - basic dissection
nf5 = NetflowHeader(b'\x00\x05\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x7f\x00\x00\x01\x7f\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00<\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x7f\x00\x00\x01\x7f\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00<\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00')
nf5.version == 5 and nf5[NetflowHeaderV5].count == 2 and isinstance(nf5[NetflowRecordV5].payload, NetflowRecordV5)
############
############
+ pcap / pcapng format support
= Variable creations
from io import BytesIO
pcapfile = BytesIO(b'\xd4\xc3\xb2\xa1\x02\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\x00\x00e\x00\x00\x00\xcf\xc5\xacVo*\n\x00(\x00\x00\x00(\x00\x00\x00E\x00\x00(\x00\x01\x00\x00@\x06|\xcd\x7f\x00\x00\x01\x7f\x00\x00\x01\x00\x14\x00P\x00\x00\x00\x00\x00\x00\x00\x00P\x02 \x00\x91|\x00\x00\xcf\xc5\xacV_-\n\x00\x1c\x00\x00\x00\x1c\x00\x00\x00E\x00\x00\x1c\x00\x01\x00\x00@\x11|\xce\x7f\x00\x00\x01\x7f\x00\x00\x01\x005\x005\x00\x08\x01r\xcf\xc5\xacV\xf90\n\x00\x1c\x00\x00\x00\x1c\x00\x00\x00E\x00\x00\x1c\x00\x01\x00\x00@\x01|\xde\x7f\x00\x00\x01\x7f\x00\x00\x01\x08\x00\xf7\xff\x00\x00\x00\x00')
pcapngfile = BytesIO(b'\n\r\r\n\\\x00\x00\x00M<+\x1a\x01\x00\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\x01\x00,\x00File created by merging: \nFile1: test.pcap \n\x04\x00\x08\x00mergecap\x00\x00\x00\x00\\\x00\x00\x00\x01\x00\x00\x00\\\x00\x00\x00e\x00\x00\x00\xff\xff\x00\x00\x02\x006\x00Unknown/not available in original file format(libpcap)\x00\x00\t\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\\\x00\x00\x00\x06\x00\x00\x00H\x00\x00\x00\x00\x00\x00\x00\x8d*\x05\x00/\xfc[\xcd(\x00\x00\x00(\x00\x00\x00E\x00\x00(\x00\x01\x00\x00@\x06|\xcd\x7f\x00\x00\x01\x7f\x00\x00\x01\x00\x14\x00P\x00\x00\x00\x00\x00\x00\x00\x00P\x02 \x00\x91|\x00\x00H\x00\x00\x00\x06\x00\x00\x00<\x00\x00\x00\x00\x00\x00\x00\x8d*\x05\x00\x1f\xff[\xcd\x1c\x00\x00\x00\x1c\x00\x00\x00E\x00\x00\x1c\x00\x01\x00\x00@\x11|\xce\x7f\x00\x00\x01\x7f\x00\x00\x01\x005\x005\x00\x08\x01r<\x00\x00\x00\x06\x00\x00\x00<\x00\x00\x00\x00\x00\x00\x00\x8d*\x05\x00\xb9\x02\\\xcd\x1c\x00\x00\x00\x1c\x00\x00\x00E\x00\x00\x1c\x00\x01\x00\x00@\x01|\xde\x7f\x00\x00\x01\x7f\x00\x00\x01\x08\x00\xf7\xff\x00\x00\x00\x00<\x00\x00\x00')
pcapnanofile = BytesIO(b"M<\xb2\xa1\x02\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\x00\x00e\x00\x00\x00\xcf\xc5\xacV\xc9\xc1\xb5'(\x00\x00\x00(\x00\x00\x00E\x00\x00(\x00\x01\x00\x00@\x06|\xcd\x7f\x00\x00\x01\x7f\x00\x00\x01\x00\x14\x00P\x00\x00\x00\x00\x00\x00\x00\x00P\x02 \x00\x91|\x00\x00\xcf\xc5\xacV-;\xc1'\x1c\x00\x00\x00\x1c\x00\x00\x00E\x00\x00\x1c\x00\x01\x00\x00@\x11|\xce\x7f\x00\x00\x01\x7f\x00\x00\x01\x005\x005\x00\x08\x01r\xcf\xc5\xacV\x9aL\xcf'\x1c\x00\x00\x00\x1c\x00\x00\x00E\x00\x00\x1c\x00\x01\x00\x00@\x01|\xde\x7f\x00\x00\x01\x7f\x00\x00\x01\x08\x00\xf7\xff\x00\x00\x00\x00")
= Read a pcapng file
= Read a pcap file with nanosecond precision
pktpcapnano = rdpcap(pcapnanofile)
= Check all packet lists are the same
assert list(pktpcap) == list(pktpcapng) == list(pktpcapnano)
assert [p.time for p in pktpcap] == [p.time for p in pktpcapng] == [p.time for p in pktpcapnano]
= Check packets from pcap file
assert all(IP in pkt for pkt in pktpcap)
assert all(any(proto in pkt for pkt in pktpcap) for proto in [ICMP, UDP, TCP])
= Check wrpcap()
import os, tempfile
fdesc, filename = tempfile.mkstemp()
fdesc = os.fdopen(fdesc, "wb")
wrpcap(fdesc, pktpcap)
fdesc.close()
= Check offline sniff() (by filename)
assert list(pktpcap) == list(sniff(offline=filename))
= Check offline sniff() (by file object)
assert list(pktpcap) == list(sniff(offline=fdesc))
fdesc.close()
= Check offline sniff() with a filter (by filename)
~ tcpdump
pktpcap_flt = [(proto, sniff(offline=filename, filter=proto.__name__.lower()))
for proto in [ICMP, UDP, TCP]]
assert all(list(pktpcap[proto]) == list(packets) for proto, packets in pktpcap_flt)
= Check offline sniff() with a filter (by file object)
~ tcpdump
pktpcap_tcp = sniff(offline=fdesc, filter="tcp")
fdesc.close()
assert list(pktpcap[TCP]) == list(pktpcap_tcp)
os.unlink(filename)
= Check wrpcap(nano=True)
fdesc, filename = tempfile.mkstemp()
fdesc = os.fdopen(fdesc, "wb")
pktpcapnano[0].time += 0.000000001
wrpcap(fdesc, pktpcapnano, nano=True)
fdesc.close()
pktpcapnanoread = rdpcap(filename)
assert pktpcapnanoread[0].time == pktpcapnano[0].time
assert pktpcapnanoread[0].time == pktpcap[0].time + 0.000000001
os.unlink(filename)
= Check PcapNg with nanosecond precision using obsolete packet block
* first packet from capture file icmp2.ntar -- https://wiki.wireshark.org/Development/PcapNg?action=AttachFile&do=view&target=icmp2.ntar
pcapngfile = BytesIO(b'\n\r\r\n\x1c\x00\x00\x00M<+\x1a\x01\x00\x00\x00\xa8\x03\x00\x00\x00\x00\x00\x00\x1c\x00\x00\x00\x01\x00\x00\x00(\x00\x00\x00\x01\x00\x00\x00\xff\xff\x00\x00\r\x00\x01\x00\x04\x04K\x00\t\x00\x01\x00\tK=N\x00\x00\x00\x00(\x00\x00\x00\x02\x00\x00\x00n\x00\x00\x00\x00\x00\x00\x00e\x14\x00\x00)4\'ON\x00\x00\x00N\x00\x00\x00\x00\x12\xf0\x11h\xd6\x00\x13r\t{\xea\x08\x00E\x00\x00<\x90\xa1\x00\x00\x80\x01\x8e\xad\xc0\xa8M\x07\xc0\xa8M\x1a\x08\x00r[\x03\x00\xd8\x00abcdefghijklmnopqrstuvwabcdefghi\xeay$\xf6\x00\x00n\x00\x00\x00')
pktpcapng = rdpcap(pcapngfile)
assert len(pktpcapng) == 1
pkt = pktpcapng[0]
# weird, but wireshark agrees
assert pkt.time == 22425.352221737
assert isinstance(pkt, Ether)
pkt = pkt.payload
assert isinstance(pkt, IP)
pkt = pkt.payload
assert isinstance(pkt, ICMP)
pkt = pkt.payload
assert isinstance(pkt, Raw) and pkt.load == b'abcdefghijklmnopqrstuvwabcdefghi'
pkt = pkt.payload
assert isinstance(pkt, Padding) and pkt.load == b'\xeay$\xf6'
pkt = pkt.payload
assert isinstance(pkt, NoPayload)
= Check PcapNg using Simple Packet Block
* previous file with the (obsolete) packet block replaced by a Simple Packet Block
pcapngfile = BytesIO(b'\n\r\r\n\x1c\x00\x00\x00M<+\x1a\x01\x00\x00\x00\xa8\x03\x00\x00\x00\x00\x00\x00\x1c\x00\x00\x00\x01\x00\x00\x00(\x00\x00\x00\x01\x00\x00\x00\xff\xff\x00\x00\r\x00\x01\x00\x04\x04K\x00\t\x00\x01\x00\tK=N\x00\x00\x00\x00(\x00\x00\x00\x03\x00\x00\x00`\x00\x00\x00N\x00\x00\x00\x00\x12\xf0\x11h\xd6\x00\x13r\t{\xea\x08\x00E\x00\x00<\x90\xa1\x00\x00\x80\x01\x8e\xad\xc0\xa8M\x07\xc0\xa8M\x1a\x08\x00r[\x03\x00\xd8\x00abcdefghijklmnopqrstuvwabcdefghi\xeay$\xf6\x00\x00`\x00\x00\x00')
pktpcapng = rdpcap(pcapngfile)
assert len(pktpcapng) == 1
pkt = pktpcapng[0]
assert isinstance(pkt, Ether)
pkt = pkt.payload
assert isinstance(pkt, IP)
pkt = pkt.payload
assert isinstance(pkt, ICMP)
pkt = pkt.payload
assert isinstance(pkt, Raw) and pkt.load == b'abcdefghijklmnopqrstuvwabcdefghi'
pkt = pkt.payload
assert isinstance(pkt, Padding) and pkt.load == b'\xeay$\xf6'
pkt = pkt.payload
assert isinstance(pkt, NoPayload)
= Check tcpdump()
~ tcpdump
* No very specific tests because we do not want to depend on tcpdump output
pcapfile = BytesIO(b'\xd4\xc3\xb2\xa1\x02\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\x00\x00e\x00\x00\x00\xcf\xc5\xacVo*\n\x00(\x00\x00\x00(\x00\x00\x00E\x00\x00(\x00\x01\x00\x00@\x06|\xcd\x7f\x00\x00\x01\x7f\x00\x00\x01\x00\x14\x00P\x00\x00\x00\x00\x00\x00\x00\x00P\x02 \x00\x91|\x00\x00\xcf\xc5\xacV_-\n\x00\x1c\x00\x00\x00\x1c\x00\x00\x00E\x00\x00\x1c\x00\x01\x00\x00@\x11|\xce\x7f\x00\x00\x01\x7f\x00\x00\x01\x005\x005\x00\x08\x01r\xcf\xc5\xacV\xf90\n\x00\x1c\x00\x00\x00\x1c\x00\x00\x00E\x00\x00\x1c\x00\x01\x00\x00@\x01|\xde\x7f\x00\x00\x01\x7f\x00\x00\x01\x08\x00\xf7\xff\x00\x00\x00\x00')
data = tcpdump(pcapfile, dump=True, args=['-n']).split(b'\n')
assert b'IP 127.0.0.1.20 > 127.0.0.1.80:' in data[0]
assert b'IP 127.0.0.1.53 > 127.0.0.1.53:' in data[1]
assert b'IP 127.0.0.1 > 127.0.0.1:' in data[2]
= Check tcpdump() command with tshark
~ tshark
pcapfile = BytesIO(b'\xd4\xc3\xb2\xa1\x02\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\x00\x00e\x00\x00\x00\xcf\xc5\xacVo*\n\x00(\x00\x00\x00(\x00\x00\x00E\x00\x00(\x00\x01\x00\x00@\x06|\xcd\x7f\x00\x00\x01\x7f\x00\x00\x01\x00\x14\x00P\x00\x00\x00\x00\x00\x00\x00\x00P\x02 \x00\x91|\x00\x00\xcf\xc5\xacV_-\n\x00\x1c\x00\x00\x00\x1c\x00\x00\x00E\x00\x00\x1c\x00\x01\x00\x00@\x11|\xce\x7f\x00\x00\x01\x7f\x00\x00\x01\x005\x005\x00\x08\x01r\xcf\xc5\xacV\xf90\n\x00\x1c\x00\x00\x00\x1c\x00\x00\x00E\x00\x00\x1c\x00\x01\x00\x00@\x01|\xde\x7f\x00\x00\x01\x7f\x00\x00\x01\x08\x00\xf7\xff\x00\x00\x00\x00')
values = [tuple(int(val) for val in line[:-1].split(b'\t')) for line in tcpdump(pcapfile, prog=conf.prog.tshark, getfd=True, args=['-T', 'fields', '-e', 'ip.ttl', '-e', 'ip.proto'])]
assert values == [(64, 6), (64, 17), (64, 1)]
= Check Raw IP pcap files
import tempfile
filename = tempfile.mktemp(suffix=".pcap")
wrpcap(filename, [IP()/UDP(), IPv6()/UDP()], linktype=DLT_RAW)
packets = rdpcap(filename)
assert(isinstance(packets[0], IP) and isinstance(packets[1], IPv6))
############
############
+ LLMNR protocol
= Simple packet dissection
pkt = Ether(b'\x11\x11\x11\x11\x11\x11\x99\x99\x99\x99\x99\x99\x08\x00E\x00\x00(\x00\x01\x00\x00@\x11:\xa4\xc0\xa8\x00w\x7f\x00\x00\x01\x14\xeb\x14\xeb\x00\x14\x95\xcf\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
assert pkt.sport == 5355
assert pkt.dport == 5355
assert pkt[LLMNRQuery].opcode == 0
= Packet build / dissection
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assert LLMNRResponse in pkt
assert pkt.qr == 1
assert pkt.c == 0
assert pkt.tc == 0
assert pkt.z == 0
assert pkt.rcode == 0
assert pkt.qdcount == 0
assert pkt.arcount == 0
assert pkt.nscount == 0
assert pkt.ancount == 0
= Answers - building
a = UDP()/LLMNRResponse()
b = UDP()/LLMNRQuery()
assert a.answers(b)
assert not b.answers(a)
= Answers - dissecting
a = Ether(b'\xd0P\x99V\xdd\xf9\x14\x0cv\x8f\xfe(\x08\x00E\x00\x00(\x00\x01\x00\x00@\x11:\xa4\x7f\x00\x00\x01\xc0\xa8\x00w\x14\xeb\x14\xeb\x00\x14\x95\xcf\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
b = Ether(b'\x14\x0cv\x8f\xfe(\xd0P\x99V\xdd\xf9\x08\x00E\x00\x00(\x00\x01\x00\x00@\x11:\xa4\xc0\xa8\x00w\x7f\x00\x00\x01\x14\xeb\x14\xeb\x00\x14\x15\xcf\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00')
assert b.answers(a)
assert not a.answers(b)
############
############
+ LLTD protocol
= Simple packet dissection
pkt = Ether(b'\xff\xff\xff\xff\xff\xff\x86\x14\xf0\xc7[.\x88\xd9\x01\x00\x00\x01\xff\xff\xff\xff\xff\xff\x86\x14\xf0\xc7[.\x00\x00\xfe\xe9[\xa9\xaf\xc1\x0bS[\xa9\xaf\xc1\x0bS\x01\x06}[G\x8f\xec.\x02\x04p\x00\x00\x00\x03\x04\x00\x00\x00\x06\x07\x04\xac\x19\x88\xe4\t\x02\x00l\n\x08\x00\x00\x00\x00\x00\x0fB@\x0c\x04\x00\x08=`\x0e\x00\x0f\x0eT\x00E\x00S\x00T\x00-\x00A\x00P\x00\x12\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x14\x04\x00\x00\x00\x00\x15\x01\x02\x18\x00\x19\x02\x04\x00\x1a\x00\x00')
assert pkt.dst == pkt.real_dst
assert pkt.src == pkt.real_src
assert pkt.current_mapper_address == pkt.apparent_mapper_address
assert pkt.mac == '7d:5b:47:8f:ec:2e'
assert pkt.hostname == "TEST-AP"
assert isinstance(pkt[LLTDAttributeEOP].payload, NoPayload)
= Packet build / dissection
pkt = Ether(raw(Ether(dst=ETHER_BROADCAST, src=RandMAC()) / LLTD(tos=0, function=0)))
assert LLTD in pkt
assert pkt.dst == pkt.real_dst
assert pkt.src == pkt.real_src
assert pkt.tos == 0
assert pkt.function == 0
= Attribute build / dissection
assert isinstance(LLTDAttribute(), LLTDAttribute)
assert isinstance(LLTDAttribute(raw(LLTDAttribute())), LLTDAttribute)
assert all(isinstance(LLTDAttribute(type=i), LLTDAttribute) for i in six.moves.range(256))
assert all(isinstance(LLTDAttribute(raw(LLTDAttribute(type=i))), LLTDAttribute) for i in six.moves.range(256))
= Large TLV
m1, m2, seq = RandMAC()._fix(), RandMAC()._fix(), 123
preqbase = Ether(src=m1, dst=m2) / LLTD() / \
LLTDQueryLargeTlv(type="Detailed Icon Image")
prespbase = Ether(src=m2, dst=m1) / LLTD() / \
LLTDQueryLargeTlvResp()
plist = []
pkt = preqbase.copy()
pkt.seq = seq
pkt = prespbase.copy()
pkt.seq = seq
pkt.flags = "M"
pkt.value = "abcd"
pkt = preqbase.copy()
pkt.seq = seq + 1
pkt.offset = 4
pkt = prespbase.copy()
pkt.seq = seq + 1
pkt.value = "efg"
builder = LargeTlvBuilder()
builder.parse(plist)
data = builder.get_data()
assert len(data) == 1
key, value = data.popitem()
assert key.endswith(' [Detailed Icon Image]')
assert value == 'abcdefg'
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############
############
+ Test fragment() / defragment() functions
= fragment()
payloadlen, fragsize = 100, 8
assert fragsize % 8 == 0
fragcount = (payloadlen / fragsize) + bool(payloadlen % fragsize)
* create the packet
pkt = IP() / ("X" * payloadlen)
* create the fragments
frags = fragment(pkt, fragsize)
* count the fragments
assert len(frags) == fragcount
* each fragment except the last one should have MF set
assert all(p.flags == 1 for p in frags[:-1])
assert frags[-1].flags == 0
* each fragment except the last one should have a payload of fragsize bytes
assert all(len(p.payload) == 8 for p in frags[:-1])
assert len(frags[-1].payload) == ((payloadlen % fragsize) or fragsize)
= fragment() and overloaded_fields
pkt1 = Ether() / IP() / UDP()
pkt2 = fragment(pkt1)[0]
assert pkt1[IP].proto == pkt2[IP].proto == pkt3[IP].proto
= fragment() already fragmented packets
payloadlen = 1480 * 3
ffrags = fragment(IP() / ("X" * payloadlen), 1480)
ffrags = fragment(ffrags, 1400)
len(ffrags) == 6
* each fragment except the last one should have MF set
assert all(p.flags == 1 for p in ffrags[:-1])
assert ffrags[-1].flags == 0
* fragment offset should be well computed
plen = 0
for p in ffrags:
assert p.frag == plen / 8
plen += len(p.payload)
assert plen == payloadlen
= defrag()
nonfrag, unfrag, badfrag = defrag(frags)
assert not nonfrag
assert not badfrag
assert len(unfrag) == 1
= defragment()
defrags = defragment(frags)
* we should have one single packet
assert len(defrags) == 1
* which should be the same as pkt reconstructed
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= defrag() / defragment() - Real DNS packets
import base64
a = base64.b64decode('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')
b = base64.b64decode('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')
c = base64.b64decode('bnmYJ63mREVTUwEACABFAAFHU8UBWDIRHcMEAgIECv0DxDtlufeCT1zQktat4aEVA8MF0FO1sNbpEQtqfu5Al//OJISaRvtaArR/tLUj2CoZjS7uEnl7QpP/Ui/gR0YtyLurk9yTw7Vei0lSz4cnaOJqDiTGAKYwzVxjnoR1F3n8lplgQaOalVsHx9UAAQABAAADLAAEobkBA8epAAEAAQAAAywABKG5AQzHvwABAAEAAAMsAASnmYIMx5MAAQABAAADLAAEp5mCDcn9AAEAAQAAAqUABKeZhAvKFAABAAEAAAOEAAShuQIfyisAAQABAAADhAAEobkCKcpCAAEAAQAAA4QABKG5AjPKWQABAAEAAAOEAAShuQI9ynAAAQABAAADhAAEobkCC8nPAAEAAQAAA4QABKG5AgzJ5gABAAEAAAOEAASnmYQMAAApIAAAAAAAAAA=')
d = base64.b64decode('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')
old_debug_dissector = conf.debug_dissector
conf.debug_dissector = 0
plist = PacketList([Ether(x) for x in [a, b, c, d]])
conf.debug_dissector = old_debug_dissector
left, defragmented, errored = defrag(plist)
assert len(left) == 1
assert left[0] == Ether(d)
assert len(defragmented) == 1
assert len(defragmented[0]) == 3093
assert defragmented[0][DNSRR].rrname == 'nyc.gov.'
assert len(errored) == 0
plist_def = defragment(plist)
assert len(plist_def) == 2
assert len(plist_def[0]) == 3093
assert plist_def[0][DNSRR].rrname == 'nyc.gov.'
= Packet().fragment()
payloadlen, fragsize = 100, 8
assert fragsize % 8 == 0
fragcount = (payloadlen / fragsize) + bool(payloadlen % fragsize)
* create the packet
pkt = IP() / ("X" * payloadlen)
* create the fragments
frags = pkt.fragment(fragsize)
* count the fragments
assert len(frags) == fragcount
* each fragment except the last one should have MF set
assert all(p.flags == 1 for p in frags[:-1])
assert frags[-1].flags == 0
* each fragment except the last one should have a payload of fragsize bytes
assert all(len(p.payload) == 8 for p in frags[:-1])
assert len(frags[-1].payload) == ((payloadlen % fragsize) or fragsize)
= Packet().fragment() and overloaded_fields
pkt1 = Ether() / IP() / UDP()
pkt2 = pkt1.fragment()[0]
assert pkt1[IP].proto == pkt2[IP].proto == pkt3[IP].proto
= Packet().fragment() already fragmented packets
payloadlen = 1480 * 3
ffrags = (IP() / ("X" * payloadlen)).fragment(1480)
ffrags = reduce(lambda x, y: x + y, (pkt.fragment(1400) for pkt in ffrags))
len(ffrags) == 6
* each fragment except the last one should have MF set
assert all(p.flags == 1 for p in ffrags[:-1])
assert ffrags[-1].flags == 0
* fragment offset should be well computed
plen = 0
for p in ffrags:
assert p.frag == plen / 8
plen += len(p.payload)
assert plen == payloadlen
############
############
= TCP options: UTO - basic build
raw(TCP(options=[("UTO", 0xffff)])) == b"\x00\x14\x00\x50\x00\x00\x00\x00\x00\x00\x00\x00\x60\x02\x20\x00\x00\x00\x00\x00\x1c\x04\xff\xff"
= TCP options: UTO - basic dissection
uto = TCP(b"\x00\x14\x00\x50\x00\x00\x00\x00\x00\x00\x00\x00\x60\x02\x20\x00\x00\x00\x00\x00\x1c\x04\xff\xff")
uto[TCP].options[0][0] == "UTO" and uto[TCP].options[0][1] == 0xffff
raw(TCP(options=[(5, "abcdefgh")])) == b"\x00\x14\x00P\x00\x00\x00\x00\x00\x00\x00\x00\x80\x02 \x00\x00\x00\x00\x00\x05\nabcdefgh\x00\x00"
= TCP options: SAck - basic dissection
sack = TCP(b"\x00\x14\x00P\x00\x00\x00\x00\x00\x00\x00\x00\x80\x02 \x00\x00\x00\x00\x00\x05\nabcdefgh\x00\x00")
sack[TCP].options[0][0] == "SAck" and sack[TCP].options[0][1] == (1633837924, 1701209960)
= TCP options: SAckOK - basic build
raw(TCP(options=[('SAckOK', '')])) == b"\x00\x14\x00P\x00\x00\x00\x00\x00\x00\x00\x00`\x02 \x00\x00\x00\x00\x00\x04\x02\x00\x00"
= TCP options: SAckOK - basic dissection
sackok = TCP(b"\x00\x14\x00P\x00\x00\x00\x00\x00\x00\x00\x00`\x02 \x00\x00\x00\x00\x00\x04\x02\x00\x00")
sackok[TCP].options[0][0] == "SAckOK" and sackok[TCP].options[0][1] == b''
= TCP options: EOL - basic build
raw(TCP(options=[(0, '')])) == b"\x00\x14\x00P\x00\x00\x00\x00\x00\x00\x00\x00`\x02 \x00\x00\x00\x00\x00\x00\x02\x00\x00"
= TCP options: EOL - basic dissection
eol = TCP(b"\x00\x14\x00P\x00\x00\x00\x00\x00\x00\x00\x00`\x02 \x00\x00\x00\x00\x00\x00\x02\x00\x00")
eol[TCP].options[0][0] == "EOL" and eol[TCP].options[0][1] == None
= TCP options: malformed - build
raw(TCP(options=[('unknown', '')])) == raw(TCP())
= TCP options: malformed - dissection
raw(TCP(b"\x00\x14\x00P\x00\x00\x00\x00\x00\x00\x00\x00`\x02 \x00\x00\x00\x00\x00\x03\x00\x00\x00")) == b"\x00\x14\x00P\x00\x00\x00\x00\x00\x00\x00\x00`\x02 \x00\x00\x00\x00\x00\x03\x00\x00\x00"
= IP, TCP & UDP checksums (these tests highly depend on default values)
pkt = IP() / TCP()
assert bpkt.chksum == 0x7ccd and bpkt.payload.chksum == 0x917c
pkt = IP(len=40) / TCP()
assert bpkt.chksum == 0x7ccd and bpkt.payload.chksum == 0x917c
pkt = IP(len=40, ihl=5) / TCP()
assert bpkt.chksum == 0x7ccd and bpkt.payload.chksum == 0x917c
pkt = IP() / TCP() / ("A" * 10)
assert bpkt.chksum == 0x7cc3 and bpkt.payload.chksum == 0x4b2c
pkt = IP(len=50) / TCP() / ("A" * 10)
assert bpkt.chksum == 0x7cc3 and bpkt.payload.chksum == 0x4b2c
pkt = IP(len=50, ihl=5) / TCP() / ("A" * 10)
assert bpkt.chksum == 0x7cc3 and bpkt.payload.chksum == 0x4b2c
pkt = IP(options=[IPOption_RR()]) / TCP() / ("A" * 10)
assert bpkt.chksum == 0x70bc and bpkt.payload.chksum == 0x4b2c
pkt = IP(len=54, options=[IPOption_RR()]) / TCP() / ("A" * 10)
assert bpkt.chksum == 0x70bc and bpkt.payload.chksum == 0x4b2c
pkt = IP(len=54, ihl=6, options=[IPOption_RR()]) / TCP() / ("A" * 10)
assert bpkt.chksum == 0x70bc and bpkt.payload.chksum == 0x4b2c
pkt = IP() / UDP()
assert bpkt.chksum == 0x7cce and bpkt.payload.chksum == 0x0172
pkt = IP(len=28) / UDP()
assert bpkt.chksum == 0x7cce and bpkt.payload.chksum == 0x0172
pkt = IP(len=28, ihl=5) / UDP()
assert bpkt.chksum == 0x7cce and bpkt.payload.chksum == 0x0172
pkt = IP() / UDP() / ("A" * 10)
assert bpkt.chksum == 0x7cc4 and bpkt.payload.chksum == 0xbb17
pkt = IP(len=38) / UDP() / ("A" * 10)
assert bpkt.chksum == 0x7cc4 and bpkt.payload.chksum == 0xbb17
pkt = IP(len=38, ihl=5) / UDP() / ("A" * 10)
assert bpkt.chksum == 0x7cc4 and bpkt.payload.chksum == 0xbb17
pkt = IP(options=[IPOption_RR()]) / UDP() / ("A" * 10)
assert bpkt.chksum == 0x70bd and bpkt.payload.chksum == 0xbb17
pkt = IP(len=42, options=[IPOption_RR()]) / UDP() / ("A" * 10)
assert bpkt.chksum == 0x70bd and bpkt.payload.chksum == 0xbb17
pkt = IP(len=42, ihl=6, options=[IPOption_RR()]) / UDP() / ("A" * 10)
assert bpkt.chksum == 0x70bd and bpkt.payload.chksum == 0xbb17
pkt = IP(raw(IP(src="10.0.0.1", dst="8.8.8.8")/UDP(sport=RandShort(), dport=53)/DNS(qd=DNSQR(qname="secdev.org."))))
assert UDP in pkt and isinstance(pkt[UDP].payload, DNS)
assert pkt[UDP].dport == 53 and pkt[UDP].length is None
assert pkt[DNS].qdcount == 1 and pkt[DNS].qd.qname == "secdev.org."
* DNS over TCP
pkt = IP(raw(IP(src="10.0.0.1", dst="8.8.8.8")/TCP(sport=RandShort(), dport=53, flags="P")/DNS(qd=DNSQR(qname="secdev.org."))))
assert TCP in pkt and isinstance(pkt[TCP].payload, DNS)
assert pkt[TCP].dport == 53 and pkt[DNS].length is not None
assert pkt[DNS].qdcount == 1 and pkt[DNS].qd.qname == "secdev.org."
= Layer binding
* Test DestMACField & DestIPField
pkt = Ether(raw(Ether()/IP()/UDP(dport=5353)/DNS()))
assert isinstance(pkt, Ether) and pkt.dst == '01:00:5e:00:00:fb'
pkt = pkt.payload
assert isinstance(pkt, IP) and pkt.dst == '224.0.0.251'
pkt = pkt.payload
assert isinstance(pkt, UDP) and pkt.dport == 5353
pkt = pkt.payload
assert isinstance(pkt, DNS) and isinstance(pkt.payload, NoPayload)
* Same with IPv6
pkt = Ether(raw(Ether()/IPv6()/UDP(dport=5353)/DNS()))
assert isinstance(pkt, Ether) and pkt.dst == '33:33:00:00:00:fb'
pkt = pkt.payload
assert isinstance(pkt, IPv6) and pkt.dst == 'ff02::fb'
pkt = pkt.payload
assert isinstance(pkt, UDP) and pkt.dport == 5353
pkt = pkt.payload
assert isinstance(pkt, DNS) and isinstance(pkt.payload, NoPayload)
############
############
+ Mocked read_routes() calls
= Truncated netstat -rn output on OS X
import mock
@mock.patch("scapy.arch.unix.get_if_addr")
@mock.patch("scapy.arch.unix.os")
def test_osx_netstat_truncated(mock_os, mock_get_if_addr):
"""Test read_routes() on OS X 10.? with a long interface name"""
# netstat & ifconfig outputs from https://github.com/secdev/scapy/pull/119
netstat_output = """
Routing tables
Internet:
Destination Gateway Flags Refs Use Netif Expire
default 192.168.1.1 UGSc 460 0 en1
default link#11 UCSI 1 0 bridge1
127 127.0.0.1 UCS 1 0 lo0
127.0.0.1 127.0.0.1 UH 10 2012351 lo0
"""
ifconfig_output = "lo0 en1 bridge10\n"
# Mocked file descriptors
def se_popen(command):
"""Perform specific side effects"""
if command.startswith("netstat -rn"):
elif command == "ifconfig -l":
def unit():
return ret
ret.__call__ = unit
ret.__enter__ = unit
ret.__exit__ = lambda x,y,z: None
return ret
raise Exception("Command not mocked: %s" % command)
mock_os.popen.side_effect = se_popen
# Mocked get_if_addr() behavior
def se_get_if_addr(iface):
"""Perform specific side effects"""
if iface == "bridge1":
oserror_exc = OSError()
oserror_exc.message = "Device not configured"
raise oserror_exc
return "1.2.3.4"
mock_get_if_addr.side_effect = se_get_if_addr
# Test the function
from scapy.arch.unix import read_routes
routes = read_routes()
assert(len(routes) == 4)
assert([r for r in routes if r[3] == "bridge10"])
test_osx_netstat_truncated()
############
############
+ Mocked read_routes6() calls
= Preliminary definitions
def valid_output_read_routes6(routes):
""""Return True if 'routes' contains correctly formatted entries, False otherwise"""
for destination, plen, next_hop, dev, cset in routes:
if not in6_isvalid(destination) or not type(plen) == int:
return False
if not in6_isvalid(next_hop) or not type(dev) == str:
return False
for address in cset:
if not in6_isvalid(address):
return False
return True
def check_mandatory_ipv6_routes(routes6):
"""Ensure that mandatory IPv6 routes are present"""
if len([r for r in routes6 if r[0] == "::1" and r[-1] == ["::1"]]) < 1:
if len([r for r in routes6 if r[0] == "fe80::" and r[1] == 64]) < 1:
if len([r for r in routes6 if in6_islladdr(r[0]) and r[1] == 128 and \
r[-1] == ["::1"]]) < 1:
return False
return True
= Mac OS X 10.9.5
5731
5732
5733
5734
5735
5736
5737
5738
5739
5740
5741
5742
5743
5744
5745
5746
5747
5748
5749
5750
5751
5752
5753
@mock.patch("scapy.arch.unix.in6_getifaddr")
@mock.patch("scapy.arch.unix.os")
def test_osx_10_9_5(mock_os, mock_in6_getifaddr):
"""Test read_routes6() on OS X 10.9.5"""
# 'netstat -rn -f inet6' output
netstat_output = """
Routing tables
Internet6:
Destination Gateway Flags Netif Expire
::1 ::1 UHL lo0
fe80::%lo0/64 fe80::1%lo0 UcI lo0
fe80::1%lo0 link#1 UHLI lo0
fe80::%en0/64 link#4 UCI en0
fe80::ba26:6cff:fe5f:4eee%en0 b8:26:6c:5f:4e:ee UHLWIi en0
fe80::bae8:56ff:fe45:8ce6%en0 b8:e8:56:45:8c:e6 UHLI lo0
ff01::%lo0/32 ::1 UmCI lo0
ff01::%en0/32 link#4 UmCI en0
ff02::%lo0/32 ::1 UmCI lo0
ff02::%en0/32 link#4 UmCI en0
"""
# Mocked file descriptor
mock_os.popen = mock.MagicMock(return_value=strio)
# Mocked in6_getifaddr() output
mock_in6_getifaddr.return_value = [("::1", IPV6_ADDR_LOOPBACK, "lo0"),
("fe80::ba26:6cff:fe5f:4eee", IPV6_ADDR_LINKLOCAL, "en0")]
# Test the function
from scapy.arch.unix import read_routes6
routes = read_routes6()
for r in routes:
assert(len(routes) == 6)
assert(check_mandatory_ipv6_routes(routes))
test_osx_10_9_5()
= Mac OS X 10.9.5 with global IPv6 connectivity
5772
5773
5774
5775
5776
5777
5778
5779
5780
5781
5782
5783
5784
5785
5786
5787
5788
5789
5790
5791
5792
5793
5794
5795
5796
5797
5798
5799
5800
@mock.patch("scapy.arch.unix.in6_getifaddr")
@mock.patch("scapy.arch.unix.os")
def test_osx_10_9_5_global(mock_os, mock_in6_getifaddr):
"""Test read_routes6() on OS X 10.9.5 with an IPv6 connectivity"""
# 'netstat -rn -f inet6' output
netstat_output = """
Routing tables
Internet6:
Destination Gateway Flags Netif Expire
default fe80::ba26:8aff:fe5f:4eef%en0 UGc en0
::1 ::1 UHL lo0
2a01:ab09:7d:1f01::/64 link#4 UC en0
2a01:ab09:7d:1f01:420:205c:9fab:5be7 b8:e9:55:44:7c:e5 UHL lo0
2a01:ab09:7d:1f01:ba26:8aff:fe5f:4eef b8:26:8a:5f:4e:ef UHLWI en0
2a01:ab09:7d:1f01:bae9:55ff:fe44:7ce5 b8:e9:55:44:7c:e5 UHL lo0
fe80::%lo0/64 fe80::1%lo0 UcI lo0
fe80::1%lo0 link#1 UHLI lo0
fe80::%en0/64 link#4 UCI en0
fe80::5664:d9ff:fe79:4e00%en0 54:64:d9:79:4e:0 UHLWI en0
fe80::6ead:f8ff:fe74:945a%en0 6c:ad:f8:74:94:5a UHLWI en0
fe80::a2f3:c1ff:fec4:5b50%en0 a0:f3:c1:c4:5b:50 UHLWI en0
fe80::ba26:8aff:fe5f:4eef%en0 b8:26:8a:5f:4e:ef UHLWIir en0
fe80::bae9:55ff:fe44:7ce5%en0 b8:e9:55:44:7c:e5 UHLI lo0
ff01::%lo0/32 ::1 UmCI lo0
ff01::%en0/32 link#4 UmCI en0
ff02::%lo0/32 ::1 UmCI lo
"""
# Mocked file descriptor
mock_os.popen = mock.MagicMock(return_value=strio)
# Mocked in6_getifaddr() output
mock_in6_getifaddr.return_value = [("::1", IPV6_ADDR_LOOPBACK, "lo0"),
("fe80::ba26:6cff:fe5f:4eee", IPV6_ADDR_LINKLOCAL, "en0")]
# Test the function
from scapy.arch.unix import read_routes6
routes = read_routes6()
assert(valid_output_read_routes6(routes))
for r in routes:
assert(len(routes) == 11)
assert(check_mandatory_ipv6_routes(routes))
test_osx_10_9_5_global()
= Mac OS X 10.10.4
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@mock.patch("scapy.arch.unix.in6_getifaddr")
@mock.patch("scapy.arch.unix.os")
def test_osx_10_10_4(mock_os, mock_in6_getifaddr):
"""Test read_routes6() on OS X 10.10.4"""
# 'netstat -rn -f inet6' output
netstat_output = """
Routing tables
Internet6:
Destination Gateway Flags Netif Expire
::1 ::1 UHL lo0
fe80::%lo0/64 fe80::1%lo0 UcI lo0
fe80::1%lo0 link#1 UHLI lo0
fe80::%en0/64 link#4 UCI en0
fe80::a00:27ff:fe9b:c965%en0 8:0:27:9b:c9:65 UHLI lo0
ff01::%lo0/32 ::1 UmCI lo0
ff01::%en0/32 link#4 UmCI en0
ff02::%lo0/32 ::1 UmCI lo0
ff02::%en0/32 link#4 UmCI en0
"""
# Mocked file descriptor
mock_os.popen = mock.MagicMock(return_value=strio)
# Mocked in6_getifaddr() output
mock_in6_getifaddr.return_value = [("::1", IPV6_ADDR_LOOPBACK, "lo0"),
("fe80::a00:27ff:fe9b:c965", IPV6_ADDR_LINKLOCAL, "en0")]
# Test the function
from scapy.arch.unix import read_routes6
routes = read_routes6()
for r in routes:
assert(len(routes) == 5)
assert(check_mandatory_ipv6_routes(routes))
test_osx_10_10_4()
= FreeBSD 10.2
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@mock.patch("scapy.arch.unix.in6_getifaddr")
@mock.patch("scapy.arch.unix.os")
def test_freebsd_10_2(mock_os, mock_in6_getifaddr):
"""Test read_routes6() on FreeBSD 10.2"""
# 'netstat -rn -f inet6' output
netstat_output = """
Routing tables
Internet6:
Destination Gateway Flags Netif Expire
::/96 ::1 UGRS lo0
::1 link#2 UH lo0
::ffff:0.0.0.0/96 ::1 UGRS lo0
fe80::/10 ::1 UGRS lo0
fe80::%lo0/64 link#2 U lo0
fe80::1%lo0 link#2 UHS lo0
ff01::%lo0/32 ::1 U lo0
ff02::/16 ::1 UGRS lo0
ff02::%lo0/32 ::1 U lo0
"""
# Mocked file descriptor
mock_os.popen = mock.MagicMock(return_value=strio)
# Mocked in6_getifaddr() output
mock_in6_getifaddr.return_value = [("::1", IPV6_ADDR_LOOPBACK, "lo0")]
# Test the function
from scapy.arch.unix import read_routes6
routes = read_routes6()
for r in routes:
assert(len(routes) == 3)
assert(check_mandatory_ipv6_routes(routes))
test_freebsd_10_2()
= OpenBSD 5.5
@mock.patch("scapy.arch.unix.OPENBSD")
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@mock.patch("scapy.arch.unix.in6_getifaddr")
@mock.patch("scapy.arch.unix.os")
def test_openbsd_5_5(mock_os, mock_in6_getifaddr, mock_openbsd):
"""Test read_routes6() on OpenBSD 5.5"""
# 'netstat -rn -f inet6' output
netstat_output = """
Routing tables
Internet6:
Destination Gateway Flags Refs Use Mtu Prio Iface
::/104 ::1 UGRS 0 0 - 8 lo0
::/96 ::1 UGRS 0 0 - 8 lo0
::1 ::1 UH 14 0 33144 4 lo0
::127.0.0.0/104 ::1 UGRS 0 0 - 8 lo0
::224.0.0.0/100 ::1 UGRS 0 0 - 8 lo0
::255.0.0.0/104 ::1 UGRS 0 0 - 8 lo0
::ffff:0.0.0.0/96 ::1 UGRS 0 0 - 8 lo0
2002::/24 ::1 UGRS 0 0 - 8 lo0
2002:7f00::/24 ::1 UGRS 0 0 - 8 lo0
2002:e000::/20 ::1 UGRS 0 0 - 8 lo0
2002:ff00::/24 ::1 UGRS 0 0 - 8 lo0
fe80::/10 ::1 UGRS 0 0 - 8 lo0
fe80::%em0/64 link#1 UC 0 0 - 4 em0
fe80::a00:27ff:fe04:59bf%em0 08:00:27:04:59:bf UHL 0 0 - 4 lo0
fe80::%lo0/64 fe80::1%lo0 U 0 0 - 4 lo0
fe80::1%lo0 link#3 UHL 0 0 - 4 lo0
fec0::/10 ::1 UGRS 0 0 - 8 lo0
ff01::/16 ::1 UGRS 0 0 - 8 lo0
ff01::%em0/32 link#1 UC 0 0 - 4 em0
ff01::%lo0/32 fe80::1%lo0 UC 0 0 - 4 lo0
ff02::/16 ::1 UGRS 0 0 - 8 lo0
ff02::%em0/32 link#1 UC 0 0 - 4 em0
ff02::%lo0/32 fe80::1%lo0 UC 0 0 - 4 lo0
"""
# Mocked file descriptor
mock_os.popen = mock.MagicMock(return_value=strio)
# Mocked in6_getifaddr() output
mock_in6_getifaddr.return_value = [("::1", IPV6_ADDR_LOOPBACK, "lo0"),
("fe80::a00:27ff:fe04:59bf", IPV6_ADDR_LINKLOCAL, "em0")]
# Mocked OpenBSD parsing behavior
mock_openbsd = True
# Test the function
from scapy.arch.unix import read_routes6
routes = read_routes6()
for r in routes:
assert(len(routes) == 5)
assert(check_mandatory_ipv6_routes(routes))
test_openbsd_5_5()
= NetBSD 7.0
@mock.patch("scapy.arch.unix.NETBSD")
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@mock.patch("scapy.arch.unix.in6_getifaddr")
@mock.patch("scapy.arch.unix.os")
def test_netbsd_7_0(mock_os, mock_in6_getifaddr, mock_netbsd):
"""Test read_routes6() on NetBSD 7.0"""
# 'netstat -rn -f inet6' output
netstat_output = """
Routing tables
Internet6:
Destination Gateway Flags Refs Use Mtu Interface
::/104 ::1 UGRS - - - lo0
::/96 ::1 UGRS - - - lo0
::1 ::1 UH - - 33648 lo0
::127.0.0.0/104 ::1 UGRS - - - lo0
::224.0.0.0/100 ::1 UGRS - - - lo0
::255.0.0.0/104 ::1 UGRS - - - lo0
::ffff:0.0.0.0/96 ::1 UGRS - - - lo0
2001:db8::/32 ::1 UGRS - - - lo0
2002::/24 ::1 UGRS - - - lo0
2002:7f00::/24 ::1 UGRS - - - lo0
2002:e000::/20 ::1 UGRS - - - lo0
2002:ff00::/24 ::1 UGRS - - - lo0
fe80::/10 ::1 UGRS - - - lo0
fe80::%wm0/64 link#1 UC - - - wm0
fe80::acd1:3989:180e:fde0 08:00:27:a1:64:d8 UHL - - - lo0
fe80::%lo0/64 fe80::1 U - - - lo0
fe80::1 link#2 UHL - - - lo0
ff01:1::/32 link#1 UC - - - wm0
ff01:2::/32 ::1 UC - - - lo0
ff02::%wm0/32 link#1 UC - - - wm0
ff02::%lo0/32 ::1 UC - - - lo0
"""
# Mocked file descriptor
mock_os.popen = mock.MagicMock(return_value=strio)
# Mocked in6_getifaddr() output
mock_in6_getifaddr.return_value = [("::1", IPV6_ADDR_LOOPBACK, "lo0"),
("fe80::acd1:3989:180e:fde0", IPV6_ADDR_LINKLOCAL, "wm0")]
# Test the function
from scapy.arch.unix import read_routes6
routes = read_routes6()
for r in routes: