partition stringclasses 3
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value | url stringlengths 87 315 | code_tokens listlengths 19 28.4k | sha stringlengths 40 40 |
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train | ISOTPSocketImplementation._recv_fc | Process a received 'Flow Control' frame | scapy/contrib/isotp.py | def _recv_fc(self, data):
"""Process a received 'Flow Control' frame"""
if (self.tx_state != ISOTP_WAIT_FC and
self.tx_state != ISOTP_WAIT_FIRST_FC):
return 0
self.tx_timer.cancel()
if len(data) < 3:
self.tx_state = ISOTP_IDLE
self.tx... | def _recv_fc(self, data):
"""Process a received 'Flow Control' frame"""
if (self.tx_state != ISOTP_WAIT_FC and
self.tx_state != ISOTP_WAIT_FIRST_FC):
return 0
self.tx_timer.cancel()
if len(data) < 3:
self.tx_state = ISOTP_IDLE
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train | ISOTPSocketImplementation._recv_sf | Process a received 'Single Frame' frame | scapy/contrib/isotp.py | def _recv_sf(self, data):
"""Process a received 'Single Frame' frame"""
self.rx_timer.cancel()
if self.rx_state != ISOTP_IDLE:
warning("RX state was reset because single frame was received")
self.rx_state = ISOTP_IDLE
length = six.indexbytes(data, 0) & 0xf
... | def _recv_sf(self, data):
"""Process a received 'Single Frame' frame"""
self.rx_timer.cancel()
if self.rx_state != ISOTP_IDLE:
warning("RX state was reset because single frame was received")
self.rx_state = ISOTP_IDLE
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train | ISOTPSocketImplementation._recv_ff | Process a received 'First Frame' frame | scapy/contrib/isotp.py | def _recv_ff(self, data):
"""Process a received 'First Frame' frame"""
self.rx_timer.cancel()
if self.rx_state != ISOTP_IDLE:
warning("RX state was reset because first frame was received")
self.rx_state = ISOTP_IDLE
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return 1
... | def _recv_ff(self, data):
"""Process a received 'First Frame' frame"""
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warning("RX state was reset because first frame was received")
self.rx_state = ISOTP_IDLE
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train | ISOTPSocketImplementation._recv_cf | Process a received 'Consecutive Frame' frame | scapy/contrib/isotp.py | def _recv_cf(self, data):
"""Process a received 'Consecutive Frame' frame"""
if self.rx_state != ISOTP_WAIT_DATA:
return 0
self.rx_timer.cancel()
# CFs are never longer than the FF
if len(data) > self.rx_ll_dl:
return 1
# CFs have usually the LL... | def _recv_cf(self, data):
"""Process a received 'Consecutive Frame' frame"""
if self.rx_state != ISOTP_WAIT_DATA:
return 0
self.rx_timer.cancel()
# CFs are never longer than the FF
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train | ISOTPSocketImplementation.begin_send | Begins sending an ISOTP message. This method does not block. | scapy/contrib/isotp.py | def begin_send(self, x):
"""Begins sending an ISOTP message. This method does not block."""
with self.tx_mutex:
if self.tx_state != ISOTP_IDLE:
raise Scapy_Exception("Socket is already sending, retry later")
self.tx_done.clear()
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"""Begins sending an ISOTP message. This method does not block."""
with self.tx_mutex:
if self.tx_state != ISOTP_IDLE:
raise Scapy_Exception("Socket is already sending, retry later")
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train | ISOTPSocketImplementation.send | Send an ISOTP frame and block until the message is sent or an error
happens. | scapy/contrib/isotp.py | def send(self, p):
"""Send an ISOTP frame and block until the message is sent or an error
happens."""
with self.send_mutex:
self.begin_send(p)
# Wait until the tx callback is called
self.tx_done.wait()
if self.tx_exception is not None:
... | def send(self, p):
"""Send an ISOTP frame and block until the message is sent or an error
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with self.send_mutex:
self.begin_send(p)
# Wait until the tx callback is called
self.tx_done.wait()
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train | ISOTPSocketImplementation.recv | Receive an ISOTP frame, blocking if none is available in the buffer
for at most 'timeout' seconds. | scapy/contrib/isotp.py | def recv(self, timeout=None):
"""Receive an ISOTP frame, blocking if none is available in the buffer
for at most 'timeout' seconds."""
try:
return self.rx_queue.get(timeout is None or timeout > 0, timeout)
except queue.Empty:
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"""Receive an ISOTP frame, blocking if none is available in the buffer
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train | TLSClientAutomaton.should_add_ClientCertificate | If the server sent a CertificateRequest, we send a Certificate message.
If no certificate is available, an empty Certificate message is sent:
- this is a SHOULD in RFC 4346 (Section 7.4.6)
- this is a MUST in RFC 5246 (Section 7.4.6)
XXX We may want to add a complete chain. | scapy/layers/tls/automaton_cli.py | def should_add_ClientCertificate(self):
"""
If the server sent a CertificateRequest, we send a Certificate message.
If no certificate is available, an empty Certificate message is sent:
- this is a SHOULD in RFC 4346 (Section 7.4.6)
- this is a MUST in RFC 5246 (Section 7.4.6)
... | def should_add_ClientCertificate(self):
"""
If the server sent a CertificateRequest, we send a Certificate message.
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- this is a SHOULD in RFC 4346 (Section 7.4.6)
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train | TLSClientAutomaton.should_add_ClientVerify | XXX Section 7.4.7.1 of RFC 5246 states that the CertificateVerify
message is only sent following a client certificate that has signing
capability (i.e. not those containing fixed DH params).
We should verify that before adding the message. We should also handle
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XXX Section 7.4.7.1 of RFC 5246 states that the CertificateVerify
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train | TLSClientAutomaton.add_ClientData | The user may type in:
GET / HTTP/1.1\r\nHost: testserver.com\r\n\r\n
Special characters are handled so that it becomes a valid HTTP request. | scapy/layers/tls/automaton_cli.py | def add_ClientData(self):
"""
The user may type in:
GET / HTTP/1.1\r\nHost: testserver.com\r\n\r\n
Special characters are handled so that it becomes a valid HTTP request.
"""
if not self.data_to_send:
data = six.moves.input().replace('\\r', '\r').replace('\\n'... | def add_ClientData(self):
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GET / HTTP/1.1\r\nHost: testserver.com\r\n\r\n
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train | MKAParamSet.dispatch_hook | Returns the right parameter set class. | scapy/layers/eap.py | def dispatch_hook(cls, _pkt=None, *args, **kargs):
"""
Returns the right parameter set class.
"""
cls = conf.raw_layer
if _pkt is not None:
ptype = orb(_pkt[0])
return globals().get(_param_set_cls.get(ptype), conf.raw_layer)
return cls | def dispatch_hook(cls, _pkt=None, *args, **kargs):
"""
Returns the right parameter set class.
"""
cls = conf.raw_layer
if _pkt is not None:
ptype = orb(_pkt[0])
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train | source_addr_mode2 | source_addr_mode
This function depending on the arguments returns the amount of bits to be
used by the source address.
Keyword arguments:
pkt -- packet object instance | scapy/layers/sixlowpan.py | def source_addr_mode2(pkt):
"""source_addr_mode
This function depending on the arguments returns the amount of bits to be
used by the source address.
Keyword arguments:
pkt -- packet object instance
"""
if pkt.sac == 0x0:
if pkt.sam == 0x0:
return 16
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"""source_addr_mode
This function depending on the arguments returns the amount of bits to be
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Keyword arguments:
pkt -- packet object instance
"""
if pkt.sac == 0x0:
if pkt.sam == 0x0:
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train | destiny_addr_mode | destiny_addr_mode
This function depending on the arguments returns the amount of bits to be
used by the destiny address.
Keyword arguments:
pkt -- packet object instance | scapy/layers/sixlowpan.py | def destiny_addr_mode(pkt):
"""destiny_addr_mode
This function depending on the arguments returns the amount of bits to be
used by the destiny address.
Keyword arguments:
pkt -- packet object instance
"""
if pkt.m == 0 and pkt.dac == 0:
if pkt.dam == 0x0:
return 16
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"""destiny_addr_mode
This function depending on the arguments returns the amount of bits to be
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Keyword arguments:
pkt -- packet object instance
"""
if pkt.m == 0 and pkt.dac == 0:
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train | _extract_dot15d4address | This function extracts the source/destination address of a 6LoWPAN
from its upper Dot15d4Data (802.15.4 data) layer.
params:
- source: if True, the address is the source one. Otherwise, it is the
destination.
returns: the packed & processed address | scapy/layers/sixlowpan.py | def _extract_dot15d4address(pkt, source=True):
"""This function extracts the source/destination address of a 6LoWPAN
from its upper Dot15d4Data (802.15.4 data) layer.
params:
- source: if True, the address is the source one. Otherwise, it is the
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returns: the packed & pr... | def _extract_dot15d4address(pkt, source=True):
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params:
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train | sixlowpan_fragment | Split a packet into different links to transmit as 6lowpan packets.
Usage example:
>>> ipv6 = ..... (very big packet)
>>> pkts = sixlowpan_fragment(ipv6, datagram_tag=0x17)
>>> send = [Dot15d4()/Dot15d4Data()/x for x in pkts]
>>> wireshark(send) | scapy/layers/sixlowpan.py | def sixlowpan_fragment(packet, datagram_tag=1):
"""Split a packet into different links to transmit as 6lowpan packets.
Usage example:
>>> ipv6 = ..... (very big packet)
>>> pkts = sixlowpan_fragment(ipv6, datagram_tag=0x17)
>>> send = [Dot15d4()/Dot15d4Data()/x for x in pkts]
... | def sixlowpan_fragment(packet, datagram_tag=1):
"""Split a packet into different links to transmit as 6lowpan packets.
Usage example:
>>> ipv6 = ..... (very big packet)
>>> pkts = sixlowpan_fragment(ipv6, datagram_tag=0x17)
>>> send = [Dot15d4()/Dot15d4Data()/x for x in pkts]
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train | IP6FieldLenField.addfield | Add an internal value to a string | scapy/layers/sixlowpan.py | def addfield(self, pkt, s, val):
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train | SixLoWPANAddrField.addfield | Add an internal value to a string | scapy/layers/sixlowpan.py | def addfield(self, pkt, s, val):
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train | LoWPAN_IPHC._getTrafficClassAndFlowLabel | Page 6, draft feb 2011 | scapy/layers/sixlowpan.py | def _getTrafficClassAndFlowLabel(self):
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train | SixLoWPAN.dispatch_hook | Depending on the payload content, the frame type we should interpretate | scapy/layers/sixlowpan.py | def dispatch_hook(cls, _pkt=b"", *args, **kargs):
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if _pkt and len(_pkt) >= 1:
if orb(_pkt[0]) == 0x41:
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train | X509_TBSCertificate.get_issuer_str | Returns a one-line string containing every type/value
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train | DefaultSession.on_packet_received | DEV: entry point. Will be called by sniff() for each
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train | bind_bottom_up | Bind 2 layers for dissection.
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ex:
>>> bind_bottom_up(Ether, SNAP, type=0x1234)... | scapy/packet.py | def bind_bottom_up(lower, upper, __fval=None, **fval):
"""Bind 2 layers for dissection.
The upper layer will be chosen for dissection on top of the lower layer, if
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layers, the last one will be used as default.... | def bind_bottom_up(lower, upper, __fval=None, **fval):
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train | bind_top_down | Bind 2 layers for building.
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ex:
>>> bind_top_down(Ether, SNAP, type=0x1234)
>>> Ether()/SNAP()
<Ether type=0x1234 |<SNAP |>> | scapy/packet.py | def bind_top_down(lower, upper, __fval=None, **fval):
"""Bind 2 layers for building.
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ex:
>>> bind_top_down(Ether, SNAP, type=0x1234)
>>> Ether()/SNAP()
<Ether ... | def bind_top_down(lower, upper, __fval=None, **fval):
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train | bind_layers | Bind 2 layers on some specific fields' values. It makes the packet being built # noqa: E501
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This functions calls both bind_bottom_up and bind_top_down, with all passed arguments. # noqa: E501
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... | scapy/packet.py | def bind_layers(lower, upper, __fval=None, **fval):
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This functions calls both bind_bottom_up and bind_top_down, with all passed arguments. # noqa: E501
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train | split_bottom_up | This call un-links an association that was made using bind_bottom_up.
Have a look at help(bind_bottom_up) | scapy/packet.py | def split_bottom_up(lower, upper, __fval=None, **fval):
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train | split_top_down | This call un-links an association that was made using bind_top_down.
Have a look at help(bind_top_down) | scapy/packet.py | def split_top_down(lower, upper, __fval=None, **fval):
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Have a look at help(bind_top_down)
"""
if __fval is not None:
fval.update(__fval)
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ofval = upper._overload_fields[lower]
... | def split_top_down(lower, upper, __fval=None, **fval):
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Have a look at help(bind_top_down)
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train | split_layers | Split 2 layers previously bound.
This call un-links calls bind_top_down and bind_bottom_up. It is the opposite of # noqa: E501
bind_layers.
Please have a look at their docs:
- help(split_bottom_up)
- help(split_top_down) | scapy/packet.py | def split_layers(lower, upper, __fval=None, **fval):
"""Split 2 layers previously bound.
This call un-links calls bind_top_down and bind_bottom_up. It is the opposite of # noqa: E501
bind_layers.
Please have a look at their docs:
- help(split_bottom_up)
- help(split_top_down)
"""
if ... | def split_layers(lower, upper, __fval=None, **fval):
"""Split 2 layers previously bound.
This call un-links calls bind_top_down and bind_bottom_up. It is the opposite of # noqa: E501
bind_layers.
Please have a look at their docs:
- help(split_bottom_up)
- help(split_top_down)
"""
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train | explore | Function used to discover the Scapy layers and protocols.
It helps to see which packets exists in contrib or layer files.
params:
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the GUI mode will be activated, to browse the available layers
examples:
>>> explor... | scapy/packet.py | def explore(layer=None):
"""Function used to discover the Scapy layers and protocols.
It helps to see which packets exists in contrib or layer files.
params:
- layer: If specified, the function will explore the layer. If not,
the GUI mode will be activated, to browse the available layers... | def explore(layer=None):
"""Function used to discover the Scapy layers and protocols.
It helps to see which packets exists in contrib or layer files.
params:
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train | ls | List available layers, or infos on a given layer class or name.
params:
- obj: Packet / packet name to use
- case_sensitive: if obj is a string, is it case sensitive?
- verbose | scapy/packet.py | def ls(obj=None, case_sensitive=False, verbose=False):
"""List available layers, or infos on a given layer class or name.
params:
- obj: Packet / packet name to use
- case_sensitive: if obj is a string, is it case sensitive?
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train | fuzz | Transform a layer into a fuzzy layer by replacing some default values by random objects | scapy/packet.py | def fuzz(p, _inplace=0):
"""Transform a layer into a fuzzy layer by replacing some default values by random objects""" # noqa: E501
if not _inplace:
p = p.copy()
q = p
while not isinstance(q, NoPayload):
for f in q.fields_desc:
if isinstance(f, PacketListField):
... | def fuzz(p, _inplace=0):
"""Transform a layer into a fuzzy layer by replacing some default values by random objects""" # noqa: E501
if not _inplace:
p = p.copy()
q = p
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train | Packet.init_fields | Initialize each fields of the fields_desc dict | scapy/packet.py | def init_fields(self):
"""
Initialize each fields of the fields_desc dict
"""
if self.class_dont_cache.get(self.__class__, False):
self.do_init_fields(self.fields_desc)
else:
self.do_init_cached_fields() | def init_fields(self):
"""
Initialize each fields of the fields_desc dict
"""
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self.do_init_fields(self.fields_desc)
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train | Packet.do_init_fields | Initialize each fields of the fields_desc dict | scapy/packet.py | def do_init_fields(self, flist):
"""
Initialize each fields of the fields_desc dict
"""
for f in flist:
self.default_fields[f.name] = copy.deepcopy(f.default)
self.fieldtype[f.name] = f
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"""
Initialize each fields of the fields_desc dict
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train | Packet.do_init_cached_fields | Initialize each fields of the fields_desc dict, or use the cached
fields information | scapy/packet.py | def do_init_cached_fields(self):
"""
Initialize each fields of the fields_desc dict, or use the cached
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"""
cls_name = self.__class__
# Build the fields information
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"""
Initialize each fields of the fields_desc dict, or use the cached
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train | Packet.prepare_cached_fields | Prepare the cached fields of the fields_desc dict | scapy/packet.py | def prepare_cached_fields(self, flist):
"""
Prepare the cached fields of the fields_desc dict
"""
cls_name = self.__class__
# Fields cache initialization
if flist:
Packet.class_default_fields[cls_name] = dict()
Packet.class_default_fields_ref[cls... | def prepare_cached_fields(self, flist):
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Prepare the cached fields of the fields_desc dict
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train | Packet.dissection_done | DEV: will be called after a dissection is completed | scapy/packet.py | def dissection_done(self, pkt):
"""DEV: will be called after a dissection is completed"""
self.post_dissection(pkt)
self.payload.dissection_done(pkt) | def dissection_done(self, pkt):
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train | Packet.copy | Returns a deep copy of the instance. | scapy/packet.py | def copy(self):
"""Returns a deep copy of the instance."""
clone = self.__class__()
clone.fields = self.copy_fields_dict(self.fields)
clone.default_fields = self.copy_fields_dict(self.default_fields)
clone.overloaded_fields = self.overloaded_fields.copy()
clone.underlayer... | def copy(self):
"""Returns a deep copy of the instance."""
clone = self.__class__()
clone.fields = self.copy_fields_dict(self.fields)
clone.default_fields = self.copy_fields_dict(self.default_fields)
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train | Packet._superdir | Return a list of slots and methods, including those from subclasses. | scapy/packet.py | def _superdir(self):
"""
Return a list of slots and methods, including those from subclasses.
"""
attrs = set()
cls = self.__class__
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attrs.update(cls.__all_slots__)
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Return a list of slots and methods, including those from subclasses.
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train | Packet.clear_cache | Clear the raw packet cache for the field and all its subfields | scapy/packet.py | def clear_cache(self):
"""Clear the raw packet cache for the field and all its subfields"""
self.raw_packet_cache = None
for _, fval in six.iteritems(self.fields):
if isinstance(fval, Packet):
fval.clear_cache()
self.payload.clear_cache() | def clear_cache(self):
"""Clear the raw packet cache for the field and all its subfields"""
self.raw_packet_cache = None
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fval.clear_cache()
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train | Packet.self_build | Create the default layer regarding fields_desc dict
:param field_pos_list: | scapy/packet.py | def self_build(self, field_pos_list=None):
"""
Create the default layer regarding fields_desc dict
:param field_pos_list:
"""
if self.raw_packet_cache is not None:
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train | Packet.do_build | Create the default version of the layer
:return: a string of the packet with the payload | scapy/packet.py | def do_build(self):
"""
Create the default version of the layer
:return: a string of the packet with the payload
"""
if not self.explicit:
self = next(iter(self))
pkt = self.self_build()
for t in self.post_transforms:
pkt = t(pkt)
... | def do_build(self):
"""
Create the default version of the layer
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"""
if not self.explicit:
self = next(iter(self))
pkt = self.self_build()
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pkt = t(pkt)
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train | Packet.build | Create the current layer
:return: string of the packet with the payload | scapy/packet.py | def build(self):
"""
Create the current layer
:return: string of the packet with the payload
"""
p = self.do_build()
p += self.build_padding()
p = self.build_done(p)
return p | def build(self):
"""
Create the current layer
:return: string of the packet with the payload
"""
p = self.do_build()
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p = self.build_done(p)
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train | Packet.do_dissect_payload | Perform the dissection of the layer's payload
:param str s: the raw layer | scapy/packet.py | def do_dissect_payload(self, s):
"""
Perform the dissection of the layer's payload
:param str s: the raw layer
"""
if s:
cls = self.guess_payload_class(s)
try:
p = cls(s, _internal=1, _underlayer=self)
except KeyboardInterrupt:... | def do_dissect_payload(self, s):
"""
Perform the dissection of the layer's payload
:param str s: the raw layer
"""
if s:
cls = self.guess_payload_class(s)
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train | Packet.layers | returns a list of layer classes (including subclasses) in this packet | scapy/packet.py | def layers(self):
"""returns a list of layer classes (including subclasses) in this packet""" # noqa: E501
layers = []
lyr = self
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layers.append(lyr.__class__)
lyr = lyr.payload.getlayer(0, _subclass=True)
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"""
Internal method that shows or dumps a hierarchical view of a packet.
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fmt is a classic printf directive, "r" can be appended for raw substitution
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"""
f = []
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train | TLSServerAutomaton.should_check_ciphersuites | We extract cipher suites candidates from the client's proposition. | scapy/layers/tls/automaton_srv.py | def should_check_ciphersuites(self):
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train | KrackAP.parse_args | Mandatory arguments:
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@ap_mac: AP's MAC
@ssid: AP's SSID
@passphrase: AP's Passphrase (min 8 char.)
Optional arguments:
@channel: used by the interface. Default 6, autodetected on windows
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... | scapy/modules/krack/automaton.py | def parse_args(self, ap_mac, ssid, passphrase,
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# KRACK attack options
double_3handshake=True,
encrypt_3handshake=True,
wait_3handshake=0,
double_gtk_refresh=True,
arp_target... | def parse_args(self, ap_mac, ssid, passphrase,
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train | KrackAP.install_PMK | Compute and install the PMK | scapy/modules/krack/automaton.py | def install_PMK(self):
"""Compute and install the PMK"""
self.pmk = PBKDF2HMAC(
algorithm=hashes.SHA1(),
length=32,
salt=self.ssid.encode(),
iterations=4096,
backend=default_backend(),
).derive(self.passphrase.encode()) | def install_PMK(self):
"""Compute and install the PMK"""
self.pmk = PBKDF2HMAC(
algorithm=hashes.SHA1(),
length=32,
salt=self.ssid.encode(),
iterations=4096,
backend=default_backend(),
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train | KrackAP.install_unicast_keys | Use the client nonce @client_nonce to compute and install
PTK, KCK, KEK, TK, MIC (AP -> STA), MIC (STA -> AP) | scapy/modules/krack/automaton.py | def install_unicast_keys(self, client_nonce):
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"""
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train | KrackAP.install_GTK | Compute a new GTK and install it alongs
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"""Compute a new GTK and install it alongs
MIC (AP -> Group = broadcast + multicast)
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self.gtk_full = self.gen_nonce(32)
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train | KrackAP.build_ap_info_pkt | Build a packet with info describing the current AP
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train | KrackAP.build_GTK_KDE | Build the Key Data Encapsulation for GTK
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Ref: 802.11i p81 | scapy/modules/krack/automaton.py | def build_GTK_KDE(self):
"""Build the Key Data Encapsulation for GTK
KeyID: 0
Ref: 802.11i p81
"""
return b''.join([
b'\xdd', # Type KDE
chb(len(self.gtk_full) + 6),
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b'\x01', # GTK KDE
b'\x00\x0... | def build_GTK_KDE(self):
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"""
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train | KrackAP.send_wpa_enc | Send an encrypted packet with content @data, using IV @iv,
sequence number @seqnum, MIC key @mic_key | scapy/modules/krack/automaton.py | def send_wpa_enc(self, data, iv, seqnum, dest, mic_key,
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encrypt_key=None):
"""Send an encrypted packet with content @data, using IV @iv,
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"""
if encrypt_key is Non... | def send_wpa_enc(self, data, iv, seqnum, dest, mic_key,
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train | KrackAP.send_ether_over_wpa | Send an Ethernet packet using the WPA channel
Extra arguments will be ignored, and are just left for compatibility | scapy/modules/krack/automaton.py | def send_ether_over_wpa(self, pkt, **kwargs):
"""Send an Ethernet packet using the WPA channel
Extra arguments will be ignored, and are just left for compatibility
"""
payload = LLC() / SNAP() / pkt[Ether].payload
dest = pkt.dst
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... | def send_ether_over_wpa(self, pkt, **kwargs):
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"""
payload = LLC() / SNAP() / pkt[Ether].payload
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train | _TLSAutomaton.get_next_msg | The purpose of the function is to make next message(s) available in
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The purpose of the function is to make next message(s) available in
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order to fill it, the function uses the data already available in
self.remain_in from a... | def get_next_msg(self, socket_timeout=2, retry=2):
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train | _TLSAutomaton.raise_on_packet | If the next message to be processed has type 'pkt_cls', raise 'state'.
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"""
If the next message to be processed has type 'pkt_cls', raise 'state'.
If there is no message waiting to be processed, we try to get one with
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# Maybe we already pa... | def raise_on_packet(self, pkt_cls, state, get_next_msg=True):
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train | _TLSAutomaton.add_record | Add a new TLS or SSLv2 or TLS 1.3 record to the packets buffered out. | scapy/layers/tls/automaton.py | def add_record(self, is_sslv2=None, is_tls13=None):
"""
Add a new TLS or SSLv2 or TLS 1.3 record to the packets buffered out.
"""
if is_sslv2 is None and is_tls13 is None:
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... | def add_record(self, is_sslv2=None, is_tls13=None):
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Add a new TLS or SSLv2 or TLS 1.3 record to the packets buffered out.
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train | _TLSAutomaton.flush_records | Send all buffered records and update the session accordingly. | scapy/layers/tls/automaton.py | def flush_records(self):
"""
Send all buffered records and update the session accordingly.
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s = b"".join(p.raw_stateful() for p in self.buffer_out)
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train | util_srcpanid_present | A source PAN ID is included if and only if both src addr mode != 0 and PAN ID Compression in FCF == 0 | scapy/layers/dot15d4.py | def util_srcpanid_present(pkt):
'''A source PAN ID is included if and only if both src addr mode != 0 and PAN ID Compression in FCF == 0''' # noqa: E501
if (pkt.underlayer.getfieldval("fcf_srcaddrmode") != 0) and (pkt.underlayer.getfieldval("fcf_panidcompress") == 0): # noqa: E501
return True
else... | def util_srcpanid_present(pkt):
'''A source PAN ID is included if and only if both src addr mode != 0 and PAN ID Compression in FCF == 0''' # noqa: E501
if (pkt.underlayer.getfieldval("fcf_srcaddrmode") != 0) and (pkt.underlayer.getfieldval("fcf_panidcompress") == 0): # noqa: E501
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train | dot15d4AddressField.i2repr | Convert internal value to a nice representation | scapy/layers/dot15d4.py | def i2repr(self, pkt, x):
"""Convert internal value to a nice representation"""
if len(hex(self.i2m(pkt, x))) < 7: # short address
return hex(self.i2m(pkt, x))
else: # long address
x = "%016x" % self.i2m(pkt, x)
return ":".join(["%s%s" % (x[i], x[i + 1]) for... | def i2repr(self, pkt, x):
"""Convert internal value to a nice representation"""
if len(hex(self.i2m(pkt, x))) < 7: # short address
return hex(self.i2m(pkt, x))
else: # long address
x = "%016x" % self.i2m(pkt, x)
return ":".join(["%s%s" % (x[i], x[i + 1]) for... | [
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train | dot15d4AddressField.addfield | Add an internal value to a string | scapy/layers/dot15d4.py | def addfield(self, pkt, s, val):
"""Add an internal value to a string"""
if self.adjust(pkt, self.length_of) == 2:
return s + struct.pack(self.fmt[0] + "H", val)
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train | _tls_P_hash | Provides the implementation of P_hash function defined in
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parameters have been added (hm and req_len):
- secret : the key to be used. If RFC 4868 is to be believed,
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python hmac t... | scapy/layers/tls/crypto/prf.py | def _tls_P_hash(secret, seed, req_len, hm):
"""
Provides the implementation of P_hash function defined in
section 5 of RFC 4346 (and section 5 of RFC 5246). Two
parameters have been added (hm and req_len):
- secret : the key to be used. If RFC 4868 is to be believed,
the length must ... | def _tls_P_hash(secret, seed, req_len, hm):
"""
Provides the implementation of P_hash function defined in
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train | _ssl_PRF | Provides the implementation of SSLv3 PRF function:
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MD5(secret || SHA-1("BB" || secret || seed)) ||
MD5(secret || SHA-1("CCC" || secret || seed)) || ...
req_len should not be more than 26 x 16 = 416. | scapy/layers/tls/crypto/prf.py | def _ssl_PRF(secret, seed, req_len):
"""
Provides the implementation of SSLv3 PRF function:
SSLv3-PRF(secret, seed) =
MD5(secret || SHA-1("A" || secret || seed)) ||
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MD5(secret || SHA-1("CCC" || secret || seed)) || ...
req_len sho... | def _ssl_PRF(secret, seed, req_len):
"""
Provides the implementation of SSLv3 PRF function:
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train | _tls_PRF | Provides the implementation of TLS PRF function as defined in
section 5 of RFC 4346:
PRF(secret, label, seed) = P_MD5(S1, label + seed) XOR
P_SHA-1(S2, label + seed)
Parameters are:
- secret: the secret used by the HMAC in the 2 expansion
functions (S1 and... | scapy/layers/tls/crypto/prf.py | def _tls_PRF(secret, label, seed, req_len):
"""
Provides the implementation of TLS PRF function as defined in
section 5 of RFC 4346:
PRF(secret, label, seed) = P_MD5(S1, label + seed) XOR
P_SHA-1(S2, label + seed)
Parameters are:
- secret: the secret used by the... | def _tls_PRF(secret, label, seed, req_len):
"""
Provides the implementation of TLS PRF function as defined in
section 5 of RFC 4346:
PRF(secret, label, seed) = P_MD5(S1, label + seed) XOR
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train | _tls12_SHA256PRF | Provides the implementation of TLS 1.2 PRF function as
defined in section 5 of RFC 5246:
PRF(secret, label, seed) = P_SHA256(secret, label + seed)
Parameters are:
- secret: the secret used by the HMAC in the 2 expansion
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- label: s... | scapy/layers/tls/crypto/prf.py | def _tls12_SHA256PRF(secret, label, seed, req_len):
"""
Provides the implementation of TLS 1.2 PRF function as
defined in section 5 of RFC 5246:
PRF(secret, label, seed) = P_SHA256(secret, label + seed)
Parameters are:
- secret: the secret used by the HMAC in the 2 expansion
fun... | def _tls12_SHA256PRF(secret, label, seed, req_len):
"""
Provides the implementation of TLS 1.2 PRF function as
defined in section 5 of RFC 5246:
PRF(secret, label, seed) = P_SHA256(secret, label + seed)
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train | PRF.compute_master_secret | Return the 48-byte master_secret, computed from pre_master_secret,
client_random and server_random. See RFC 5246, section 6.3. | scapy/layers/tls/crypto/prf.py | def compute_master_secret(self, pre_master_secret,
client_random, server_random):
"""
Return the 48-byte master_secret, computed from pre_master_secret,
client_random and server_random. See RFC 5246, section 6.3.
"""
seed = client_random + server_ran... | def compute_master_secret(self, pre_master_secret,
client_random, server_random):
"""
Return the 48-byte master_secret, computed from pre_master_secret,
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train | PRF.derive_key_block | Perform the derivation of master_secret into a key_block of req_len
requested length. See RFC 5246, section 6.3. | scapy/layers/tls/crypto/prf.py | def derive_key_block(self, master_secret, server_random,
client_random, req_len):
"""
Perform the derivation of master_secret into a key_block of req_len
requested length. See RFC 5246, section 6.3.
"""
seed = server_random + client_random
if self... | def derive_key_block(self, master_secret, server_random,
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"""
Perform the derivation of master_secret into a key_block of req_len
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train | PRF.compute_verify_data | Return verify_data based on handshake messages, connection end,
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Every TLS 1.2 cipher suite has a verify_data of length 12. Note also:
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suites defined i... | scapy/layers/tls/crypto/prf.py | def compute_verify_data(self, con_end, read_or_write,
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"""
Return verify_data based on handshake messages, connection end,
master secret, and read_or_write position. See RFC 5246, section 7.4.9.
Every TLS 1.2 cipher suite has a v... | def compute_verify_data(self, con_end, read_or_write,
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Return verify_data based on handshake messages, connection end,
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train | PRF.postprocess_key_for_export | Postprocess cipher key for EXPORT ciphersuite, i.e. weakens it.
An export key generation example is given in section 6.3.1 of RFC 2246.
See also page 86 of EKR's book. | scapy/layers/tls/crypto/prf.py | def postprocess_key_for_export(self, key, client_random, server_random,
con_end, read_or_write, req_len):
"""
Postprocess cipher key for EXPORT ciphersuite, i.e. weakens it.
An export key generation example is given in section 6.3.1 of RFC 2246.
See als... | def postprocess_key_for_export(self, key, client_random, server_random,
con_end, read_or_write, req_len):
"""
Postprocess cipher key for EXPORT ciphersuite, i.e. weakens it.
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train | PRF.generate_iv_for_export | Generate IV for EXPORT ciphersuite, i.e. weakens it.
An export IV generation example is given in section 6.3.1 of RFC 2246.
See also page 86 of EKR's book. | scapy/layers/tls/crypto/prf.py | def generate_iv_for_export(self, client_random, server_random,
con_end, read_or_write, req_len):
"""
Generate IV for EXPORT ciphersuite, i.e. weakens it.
An export IV generation example is given in section 6.3.1 of RFC 2246.
See also page 86 of EKR's book.
... | def generate_iv_for_export(self, client_random, server_random,
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"""
Generate IV for EXPORT ciphersuite, i.e. weakens it.
An export IV generation example is given in section 6.3.1 of RFC 2246.
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train | load_protocols | Parse /etc/protocols and return values as a dictionary. | scapy/data.py | def load_protocols(filename, _integer_base=10):
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dct = DADict(_name=filename)
try:
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spaces = re.compile(b"[ \t]+|\n")
dct = DADict(_name=filename)
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train | load_manuf | Load manuf file from Wireshark.
param:
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"""Load manuf file from Wireshark.
param:
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manufdb = ManufDA(_name=filename)
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train | ManufDA.lookup | Find OUI name matching to a MAC | scapy/data.py | def lookup(self, mac):
"""Find OUI name matching to a MAC"""
oui = ":".join(mac.split(":")[:3]).upper()
return self[oui] | def lookup(self, mac):
"""Find OUI name matching to a MAC"""
oui = ":".join(mac.split(":")[:3]).upper()
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train | ManufDA.reverse_lookup | Find all MACs registered to a OUI
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train | _TLS_Ext_CertTypeDispatcher | We need to select the correct one on dissection. We use the length for
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train | TLS_Ext_PrettyPacketList._show_or_dump | Reproduced from packet.py | scapy/layers/tls/extensions.py | def _show_or_dump(self, dump=False, indent=3,
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train | _GenNetflowRecordV9 | Internal function used to generate the Records from
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train | _netflowv9_defragment_packet | Used internally to process a single packet during defragmenting | scapy/layers/netflow.py | def _netflowv9_defragment_packet(pkt, definitions, definitions_opts, ignored):
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train | netflowv9_defragment | Process all NetflowV9/10 Packets to match IDs of the DataFlowsets
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params:
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- verb: verbose print (0/1) | scapy/layers/netflow.py | def netflowv9_defragment(plist, verb=1):
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train | der2pem | Convert DER octet string to PEM format (with optional header) | scapy/layers/tls/cert.py | def der2pem(der_string, obj="UNKNOWN"):
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train | pem2der | Convert PEM string to DER format | scapy/layers/tls/cert.py | def pem2der(pem_string):
"""Convert PEM string to DER format"""
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train | split_pem | Split PEM objects. Useful to process concatenated certificates. | scapy/layers/tls/cert.py | def split_pem(s):
"""
Split PEM objects. Useful to process concatenated certificates.
"""
pem_strings = []
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if start_idx == -1:
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end_idx = s.find(b"-----END")
end_idx = s.find(b"\n", end_idx) + 1
... | [
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train | _create_ca_file | Concatenate all the certificates (PEM format for the export) in
'anchor_list' and write the result to file 'filename'. On success
'filename' is returned, None otherwise.
If you are used to OpenSSL tools, this function builds a CAfile
that can be used for certificate and CRL check. | scapy/layers/tls/cert.py | def _create_ca_file(anchor_list, filename):
"""
Concatenate all the certificates (PEM format for the export) in
'anchor_list' and write the result to file 'filename'. On success
'filename' is returned, None otherwise.
If you are used to OpenSSL tools, this function builds a CAfile
that can be u... | def _create_ca_file(anchor_list, filename):
"""
Concatenate all the certificates (PEM format for the export) in
'anchor_list' and write the result to file 'filename'. On success
'filename' is returned, None otherwise.
If you are used to OpenSSL tools, this function builds a CAfile
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train | PubKey.verifyCert | Verifies either a Cert or an X509_Cert. | scapy/layers/tls/cert.py | def verifyCert(self, cert):
""" Verifies either a Cert or an X509_Cert. """
tbsCert = cert.tbsCertificate
sigAlg = tbsCert.signature
h = hash_by_oid[sigAlg.algorithm.val]
sigVal = raw(cert.signatureValue)
return self.verify(raw(tbsCert), sigVal, h=h, t='pkcs') | def verifyCert(self, cert):
""" Verifies either a Cert or an X509_Cert. """
tbsCert = cert.tbsCertificate
sigAlg = tbsCert.signature
h = hash_by_oid[sigAlg.algorithm.val]
sigVal = raw(cert.signatureValue)
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train | PrivKey.signTBSCert | Note that this will always copy the signature field from the
tbsCertificate into the signatureAlgorithm field of the result,
regardless of the coherence between its contents (which might
indicate ecdsa-with-SHA512) and the result (e.g. RSA signing MD2).
There is a small inheritance tric... | scapy/layers/tls/cert.py | def signTBSCert(self, tbsCert, h="sha256"):
"""
Note that this will always copy the signature field from the
tbsCertificate into the signatureAlgorithm field of the result,
regardless of the coherence between its contents (which might
indicate ecdsa-with-SHA512) and the result (e... | def signTBSCert(self, tbsCert, h="sha256"):
"""
Note that this will always copy the signature field from the
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regardless of the coherence between its contents (which might
indicate ecdsa-with-SHA512) and the result (e... | [
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train | Cert.isSelfSigned | Return True if the certificate is self-signed:
- issuer and subject are the same
- the signature of the certificate is valid. | scapy/layers/tls/cert.py | def isSelfSigned(self):
"""
Return True if the certificate is self-signed:
- issuer and subject are the same
- the signature of the certificate is valid.
"""
if self.issuer_hash == self.subject_hash:
return self.isIssuerCert(self)
return False | def isSelfSigned(self):
"""
Return True if the certificate is self-signed:
- issuer and subject are the same
- the signature of the certificate is valid.
"""
if self.issuer_hash == self.subject_hash:
return self.isIssuerCert(self)
return False | [
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