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Add some missing parameters to TCP_Client #4821

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Merged
merged 2 commits into from
Aug 19, 2025
Merged

Add some missing parameters to TCP_Client #4821

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c6f1cd7
Add some missing parameters to TCP_Client
gpotter2 Aug 18, 2025
a40acc5
Also add source port
gpotter2 Aug 18, 2025
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10 changes: 7 additions & 3 deletions scapy/layers/inet.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2165,16 +2165,20 @@ class TCP_client(Automaton):
:param ip: the ip to connect to
:param port:
:param src: (optional) use another source IP
:param sport: (optional) the TCP source port (default: random)
:param seq: (optional) initial TCP sequence number (default: random)
"""

def parse_args(self, ip, port, srcip=None, **kargs):
def parse_args(self, ip, port, srcip=None, sport=None, seq=None, ack=0, **kargs):
from scapy.sessions import TCPSession
self.dst = str(Net(ip))
self.dport = port
self.sport = random.randrange(0, 2**16)
self.sport = sport if sport is not None else random.randrange(0, 2**16)
self.l4 = IP(dst=ip, src=srcip) / TCP(
sport=self.sport, dport=self.dport,
flags=0, seq=random.randrange(0, 2**32)
flags=0,
seq=seq if seq is not None else random.randrange(0, 2**32),
ack=ack,
)
self.src = self.l4.src
self.sack = self.l4[TCP].ack
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