| Server IP : 104.21.38.3 / Your IP : 172.70.189.74 Web Server : Apache System : Linux krdc-ubuntu-s-2vcpu-4gb-amd-blr1-01.localdomain 5.15.0-142-generic #152-Ubuntu SMP Mon May 19 10:54:31 UTC 2025 x86_64 User : www ( 1000) PHP Version : 7.4.33 Disable Function : passthru,exec,system,putenv,chroot,chgrp,chown,shell_exec,popen,proc_open,pcntl_exec,ini_alter,ini_restore,dl,openlog,syslog,readlink,symlink,popepassthru,pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,imap_open,apache_setenv MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /lib/python3/dist-packages/twisted/pair/test/ |
Upload File : |
# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
from zope import interface
from twisted.pair import ip, raw
from twisted.python import components
from twisted.trial import unittest
@interface.implementer(raw.IRawDatagramProtocol)
class MyProtocol:
def __init__(self, expecting):
self.expecting = list(expecting)
def datagramReceived(
self,
data,
partial,
source,
dest,
protocol,
version,
ihl,
tos,
tot_len,
fragment_id,
fragment_offset,
dont_fragment,
more_fragments,
ttl,
):
assert self.expecting, "Got a packet when not expecting anymore."
expectData, expectKw = self.expecting.pop(0)
expectKwKeys = expectKw.keys()
expectKwKeys = list(sorted(expectKwKeys))
localVariables = locals()
for k in expectKwKeys:
assert (
expectKw[k] == localVariables[k]
), f"Expected {k}={expectKw[k]!r}, got {localVariables[k]!r}"
assert expectData == data, f"Expected {expectData!r}, got {data!r}"
def addProto(self, num, proto):
# IRawDatagramProtocol.addProto
pass
class IPTests(unittest.TestCase):
def testPacketParsing(self):
proto = ip.IPProtocol()
p1 = MyProtocol(
[
(
b"foobar",
{
"partial": 0,
"dest": "1.2.3.4",
"source": "5.6.7.8",
"protocol": 0x0F,
"version": 4,
"ihl": 20,
"tos": 7,
"tot_len": 20 + 6,
"fragment_id": 0xDEAD,
"fragment_offset": 0x1EEF,
"dont_fragment": 0,
"more_fragments": 1,
"ttl": 0xC0,
},
),
]
)
proto.addProto(0x0F, p1)
proto.datagramReceived(
b"\x54" # ihl version
+ b"\x07" # tos
+ b"\x00\x1a" # tot_len
+ b"\xDE\xAD" # id
+ b"\xBE\xEF" # frag_off
+ b"\xC0" # ttl
+ b"\x0F" # protocol
+ b"FE" # checksum
+ b"\x05\x06\x07\x08"
+ b"\x01\x02\x03\x04"
+ b"foobar",
partial=0,
dest="dummy",
source="dummy",
protocol="dummy",
)
assert not p1.expecting, (
"Should not expect any more packets, but still want %r" % p1.expecting
)
def testMultiplePackets(self):
proto = ip.IPProtocol()
p1 = MyProtocol(
[
(
b"foobar",
{
"partial": 0,
"dest": "1.2.3.4",
"source": "5.6.7.8",
"protocol": 0x0F,
"version": 4,
"ihl": 20,
"tos": 7,
"tot_len": 20 + 6,
"fragment_id": 0xDEAD,
"fragment_offset": 0x1EEF,
"dont_fragment": 0,
"more_fragments": 1,
"ttl": 0xC0,
},
),
(
b"quux",
{
"partial": 1,
"dest": "5.4.3.2",
"source": "6.7.8.9",
"protocol": 0x0F,
"version": 4,
"ihl": 20,
"tos": 7,
"tot_len": 20 + 6,
"fragment_id": 0xDEAD,
"fragment_offset": 0x1EEF,
"dont_fragment": 0,
"more_fragments": 1,
"ttl": 0xC0,
},
),
]
)
proto.addProto(0x0F, p1)
proto.datagramReceived(
b"\x54" # ihl version
+ b"\x07" # tos
+ b"\x00\x1a" # tot_len
+ b"\xDE\xAD" # id
+ b"\xBE\xEF" # frag_off
+ b"\xC0" # ttl
+ b"\x0F" # protocol
+ b"FE" # checksum
+ b"\x05\x06\x07\x08"
+ b"\x01\x02\x03\x04"
+ b"foobar",
partial=0,
dest="dummy",
source="dummy",
protocol="dummy",
)
proto.datagramReceived(
b"\x54" # ihl version
+ b"\x07" # tos
+ b"\x00\x1a" # tot_len
+ b"\xDE\xAD" # id
+ b"\xBE\xEF" # frag_off
+ b"\xC0" # ttl
+ b"\x0F" # protocol
+ b"FE" # checksum
+ b"\x06\x07\x08\x09"
+ b"\x05\x04\x03\x02"
+ b"quux",
partial=1,
dest="dummy",
source="dummy",
protocol="dummy",
)
assert not p1.expecting, (
"Should not expect any more packets, but still want %r" % p1.expecting
)
def testMultipleSameProtos(self):
proto = ip.IPProtocol()
p1 = MyProtocol(
[
(
b"foobar",
{
"partial": 0,
"dest": "1.2.3.4",
"source": "5.6.7.8",
"protocol": 0x0F,
"version": 4,
"ihl": 20,
"tos": 7,
"tot_len": 20 + 6,
"fragment_id": 0xDEAD,
"fragment_offset": 0x1EEF,
"dont_fragment": 0,
"more_fragments": 1,
"ttl": 0xC0,
},
),
]
)
p2 = MyProtocol(
[
(
b"foobar",
{
"partial": 0,
"dest": "1.2.3.4",
"source": "5.6.7.8",
"protocol": 0x0F,
"version": 4,
"ihl": 20,
"tos": 7,
"tot_len": 20 + 6,
"fragment_id": 0xDEAD,
"fragment_offset": 0x1EEF,
"dont_fragment": 0,
"more_fragments": 1,
"ttl": 0xC0,
},
),
]
)
proto.addProto(0x0F, p1)
proto.addProto(0x0F, p2)
proto.datagramReceived(
b"\x54" # ihl version
+ b"\x07" # tos
+ b"\x00\x1a" # tot_len
+ b"\xDE\xAD" # id
+ b"\xBE\xEF" # frag_off
+ b"\xC0" # ttl
+ b"\x0F" # protocol
+ b"FE" # checksum
+ b"\x05\x06\x07\x08"
+ b"\x01\x02\x03\x04"
+ b"foobar",
partial=0,
dest="dummy",
source="dummy",
protocol="dummy",
)
assert not p1.expecting, (
"Should not expect any more packets, but still want %r" % p1.expecting
)
assert not p2.expecting, (
"Should not expect any more packets, but still want %r" % p2.expecting
)
def testWrongProtoNotSeen(self):
proto = ip.IPProtocol()
p1 = MyProtocol([])
proto.addProto(1, p1)
proto.datagramReceived(
b"\x54" # ihl version
+ b"\x07" # tos
+ b"\x00\x1a" # tot_len
+ b"\xDE\xAD" # id
+ b"\xBE\xEF" # frag_off
+ b"\xC0" # ttl
+ b"\x0F" # protocol
+ b"FE" # checksum
+ b"\x05\x06\x07\x08"
+ b"\x01\x02\x03\x04"
+ b"foobar",
partial=0,
dest="dummy",
source="dummy",
protocol="dummy",
)
def testDemuxing(self):
proto = ip.IPProtocol()
p1 = MyProtocol(
[
(
b"foobar",
{
"partial": 0,
"dest": "1.2.3.4",
"source": "5.6.7.8",
"protocol": 0x0F,
"version": 4,
"ihl": 20,
"tos": 7,
"tot_len": 20 + 6,
"fragment_id": 0xDEAD,
"fragment_offset": 0x1EEF,
"dont_fragment": 0,
"more_fragments": 1,
"ttl": 0xC0,
},
),
(
b"quux",
{
"partial": 1,
"dest": "5.4.3.2",
"source": "6.7.8.9",
"protocol": 0x0F,
"version": 4,
"ihl": 20,
"tos": 7,
"tot_len": 20 + 6,
"fragment_id": 0xDEAD,
"fragment_offset": 0x1EEF,
"dont_fragment": 0,
"more_fragments": 1,
"ttl": 0xC0,
},
),
]
)
proto.addProto(0x0F, p1)
p2 = MyProtocol(
[
(
b"quux",
{
"partial": 1,
"dest": "5.4.3.2",
"source": "6.7.8.9",
"protocol": 0x0A,
"version": 4,
"ihl": 20,
"tos": 7,
"tot_len": 20 + 6,
"fragment_id": 0xDEAD,
"fragment_offset": 0x1EEF,
"dont_fragment": 0,
"more_fragments": 1,
"ttl": 0xC0,
},
),
(
b"foobar",
{
"partial": 0,
"dest": "1.2.3.4",
"source": "5.6.7.8",
"protocol": 0x0A,
"version": 4,
"ihl": 20,
"tos": 7,
"tot_len": 20 + 6,
"fragment_id": 0xDEAD,
"fragment_offset": 0x1EEF,
"dont_fragment": 0,
"more_fragments": 1,
"ttl": 0xC0,
},
),
]
)
proto.addProto(0x0A, p2)
proto.datagramReceived(
b"\x54" # ihl version
+ b"\x07" # tos
+ b"\x00\x1a" # tot_len
+ b"\xDE\xAD" # id
+ b"\xBE\xEF" # frag_off
+ b"\xC0" # ttl
+ b"\x0A" # protocol
+ b"FE" # checksum
+ b"\x06\x07\x08\x09"
+ b"\x05\x04\x03\x02"
+ b"quux",
partial=1,
dest="dummy",
source="dummy",
protocol="dummy",
)
proto.datagramReceived(
b"\x54" # ihl version
+ b"\x07" # tos
+ b"\x00\x1a" # tot_len
+ b"\xDE\xAD" # id
+ b"\xBE\xEF" # frag_off
+ b"\xC0" # ttl
+ b"\x0F" # protocol
+ b"FE" # checksum
+ b"\x05\x06\x07\x08"
+ b"\x01\x02\x03\x04"
+ b"foobar",
partial=0,
dest="dummy",
source="dummy",
protocol="dummy",
)
proto.datagramReceived(
b"\x54" # ihl version
+ b"\x07" # tos
+ b"\x00\x1a" # tot_len
+ b"\xDE\xAD" # id
+ b"\xBE\xEF" # frag_off
+ b"\xC0" # ttl
+ b"\x0F" # protocol
+ b"FE" # checksum
+ b"\x06\x07\x08\x09"
+ b"\x05\x04\x03\x02"
+ b"quux",
partial=1,
dest="dummy",
source="dummy",
protocol="dummy",
)
proto.datagramReceived(
b"\x54" # ihl version
+ b"\x07" # tos
+ b"\x00\x1a" # tot_len
+ b"\xDE\xAD" # id
+ b"\xBE\xEF" # frag_off
+ b"\xC0" # ttl
+ b"\x0A" # protocol
+ b"FE" # checksum
+ b"\x05\x06\x07\x08"
+ b"\x01\x02\x03\x04"
+ b"foobar",
partial=0,
dest="dummy",
source="dummy",
protocol="dummy",
)
assert not p1.expecting, (
"Should not expect any more packets, but still want %r" % p1.expecting
)
assert not p2.expecting, (
"Should not expect any more packets, but still want %r" % p2.expecting
)
def testAddingBadProtos_WrongLevel(self):
"""Adding a wrong level protocol raises an exception."""
e = ip.IPProtocol()
try:
e.addProto(42, "silliness")
except components.CannotAdapt:
pass
else:
raise AssertionError("addProto must raise an exception for bad protocols")
def testAddingBadProtos_TooSmall(self):
"""Adding a protocol with a negative number raises an exception."""
e = ip.IPProtocol()
try:
e.addProto(-1, MyProtocol([]))
except TypeError as e:
if e.args == ("Added protocol must be positive or zero",):
pass
else:
raise
else:
raise AssertionError("addProto must raise an exception for bad protocols")
def testAddingBadProtos_TooBig(self):
"""Adding a protocol with a number >=2**32 raises an exception."""
e = ip.IPProtocol()
try:
e.addProto(2 ** 32, MyProtocol([]))
except TypeError as e:
if e.args == ("Added protocol must fit in 32 bits",):
pass
else:
raise
else:
raise AssertionError("addProto must raise an exception for bad protocols")
def testAddingBadProtos_TooBig2(self):
"""Adding a protocol with a number >=2**32 raises an exception."""
e = ip.IPProtocol()
try:
e.addProto(2 ** 32 + 1, MyProtocol([]))
except TypeError as e:
if e.args == ("Added protocol must fit in 32 bits",):
pass
else:
raise
else:
raise AssertionError("addProto must raise an exception for bad protocols")