Upload files to 'server'

server/NetGenieSrv.py

@@ -1,6 +1,26 @@
 #!/bin/env python3
 
-def check_bridge_socket()::
+import socket;
+import sys;
+
+def init_socket():
+    # Creates a TCP/IP socket
+    # socket type .AF_INET is the Internet address family for IPv4.
+    # .SOCK_STREAM is the socket type for TCP. 
+    debug_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+
+    # Bind the socket to the port 8000
+    debug_server_address = ('localhost', 8000)
+    debug_socket.bind(debug_server_address)
+    
+    # Listen for incoming connections
+    debug_socket.listen(1)
+    while True:
+    # Wait for a connection
+       print >>sys.stderr, 'Waiting for a Connection'
+       connection, client_address = debug_socket.accept()
+
+def check_bridge_socket():
     evt = None
     return evt
 
@@ -9,7 +29,6 @@ def handle_bridge_evt(evt):
     TODO: Whatever bridge events to handle
     """
 
-
 def check_debug_socket():
     dbg_evt = None 
     return dbg_evt
@@ -28,6 +47,7 @@ def run_loop():
         if dbg_evt != None:
             handle_debug_evt(dbg_evt)
 def main():
+    init_socket()
     """
     1. TODO: Open Server port that the device connects to.
     2. TODO: Open Server port that an admin connects to, i.e., to test sending packets to

server/readme.txt

@@ -0,0 +1,3 @@
+The following link maybe helpful.
+
+https://github.com/davidbombal/red-python-scripts/blob/main/arp_mitm.py

server/send_first_packet.py

@@ -0,0 +1,22 @@
+# Using the source code and instructions from: https://inc0x0.com/tcp-ip-packets-introduction/tcp-ip-packets-3-manually-create-and-send-raw-tcp-ip-packets/
+
+import socket
+
+s = socket.socket(socket.AF_INET, socket.SOCK_RAW, socket.IPPROTO_TCP)
+s.setsockopt(socket.IPPROTO_IP, socket.IP_HDRINCL, 1)
+
+# b converts string into byte format
+ip_header  = b'\x45\x00\x00\x28'  # Version, IHL, Type of Service | Total Length
+ip_header += b'\xab\xcd\x00\x00'  # Identification | Flags, Fragment Offset
+ip_header += b'\x40\x06\xa6\xec'  # TTL, Protocol | Header Checksum
+ip_header += b'\x0a\x0a\x0a\x02'  # Source Address
+ip_header += b'\x0a\x0a\x0a\x01'  # Destination Address
+
+tcp_header  = b'\x30\x39\x00\x50' # Source Port | Destination Port
+tcp_header += b'\x00\x00\x00\x00' # Sequence Number
+tcp_header += b'\x00\x00\x00\x00' # Acknowledgement Number
+tcp_header += b'\x50\x02\x71\x10' # Data Offset, Reserved, Flags | Window Size
+tcp_header += b'\xe6\x32\x00\x00' # Checksum | Urgent Pointer
+
+packet = ip_header + tcp_header
+s.sendto(packet, ('10.10.10.1', 0))

server/sending_raw_packets.py

@@ -0,0 +1,23 @@
+import socket
+
+s = socket.socket(socket.AF_PACKET, socket.SOCK_RAW)
+s.bind(("wlp1s0", 8000))
+
+ethernet  = b'\x00\x0c\x29\xd3\xbe\xd6' # MAC Address Destination
+ethernet += b'\x00\x0c\x29\xe0\xc4\xaf' # MAC Address Source
+ethernet += b'\x08\x00'                 # Protocol-Type: IPv4
+
+ip_header  = b'\x45\x00\x00\x28'  # Version, IHL, Type of Service | Total Length
+ip_header += b'\xab\xcd\x00\x00'  # Identification | Flags, Fragment Offset
+ip_header += b'\x40\x06\xa6\xec'  # TTL, Protocol | Header Checksum
+ip_header += b'\x0a\x0a\x0a\x02'  # Source Address
+ip_header += b'\x0a\x0a\x0a\x01'  # Destination Address
+
+tcp_header  = b'\x30\x39\x00\x50' # Source Port | Destination Port
+tcp_header += b'\x00\x00\x00\x00' # Sequence Number
+tcp_header += b'\x00\x00\x00\x00' # Acknowledgement Number
+tcp_header += b'\x50\x02\x71\x10' # Data Offset, Reserved, Flags | Window Size
+tcp_header += b'\xe6\x32\x00\x00' # Checksum | Urgent Pointer
+
+packet = ethernet + ip_header + tcp_header
+s.send(packet)