Upload files to 'Test_Cases/Test_Case2'

Test_Cases/Test_Case2/TestCase2_ACK.py

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+import socket
+
+# Sending a ACK packet 
+
+def init_socket():
+    s = socket.socket(socket.AF_INET, socket.SOCK_RAW, socket.IPPROTO_TCP)
+    s.setsockopt(socket.IPPROTO_IP, socket.IP_HDRINCL, 1)
+    return s    
+
+def send_raw_packet():
+    ip_header  = b'\x45\x00\x00\x28'  # Version, IHL, Type of Service | Total Length
+    ip_header += b'\x00\x00\x00\x00'  # Identification | Flags, Fragment Offset
+    ip_header += b'\x28\x06\xa6\xec'  # TTL = 40s, Protocol = 6 for TCP | Header Checksum
+    ip_header += b'\xc0\xa8\x0a\x14'  # Source Address: 192.168.10.20 
+    ip_header += b'\xc0\xa8\x0a\x0a'  # Destination Address: 192.168.10.10
+
+    tcp_header  = b'\x09\x25\x04\xB0' # 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\x10\x00\x00' # Data Offset, Reserved, Flags | Window Size
+    tcp_header += b'\xe6\x32\x00\x00' # Checksum | Urgent Pointer
+
+    packet = ip_header + tcp_header
+    return packet
+
+if __name__=="__main__":
+    dst_IP = '192.168.10.10'
+
+    s = init_socket()
+
+    packet = send_raw_packet()
+    s.sendto(packet, (dst_IP, 0))

Test_Cases/Test_Case2/TestCase2_FIN.py

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+import socket
+
+# Sending a FIN packet 
+
+def init_socket():
+    s = socket.socket(socket.AF_INET, socket.SOCK_RAW, socket.IPPROTO_TCP)
+    s.setsockopt(socket.IPPROTO_IP, socket.IP_HDRINCL, 1)
+    return s    
+
+def send_raw_packet():
+    ip_header  = b'\x45\x00\x00\x28'  # Version, IHL, Type of Service | Total Length
+    ip_header += b'\x00\x00\x00\x00'  # Identification | Flags, Fragment Offset
+    ip_header += b'\x28\x06\xa6\xec'  # TTL = 40s, Protocol = 6 for TCP | Header Checksum
+    ip_header += b'\xc0\xa8\x0a\x14'  # Source Address: 192.168.10.20 
+    ip_header += b'\xc0\xa8\x0a\x0a'  # Destination Address: 192.168.10.10
+
+    tcp_header  = b'\x09\x25\x04\xB0' # 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\x01\x00\x00' # Data Offset, Reserved, Flags | Window Size
+    tcp_header += b'\xe6\x32\x00\x00' # Checksum | Urgent Pointer
+
+    packet = ip_header + tcp_header
+    return packet
+
+if __name__=="__main__":
+    dst_IP = '192.168.10.10'
+
+    s = init_socket()
+
+    packet = send_raw_packet()
+    s.sendto(packet, (dst_IP, 0))

Test_Cases/Test_Case2/TestCase2_FINACK.py

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+import socket
+
+# Sending a FIN+ACK packet 
+
+def init_socket():
+    s = socket.socket(socket.AF_INET, socket.SOCK_RAW, socket.IPPROTO_TCP)
+    s.setsockopt(socket.IPPROTO_IP, socket.IP_HDRINCL, 1)
+    return s    
+
+def send_raw_packet():
+    ip_header  = b'\x45\x00\x00\x28'  # Version, IHL, Type of Service | Total Length
+    ip_header += b'\x00\x00\x00\x00'  # Identification | Flags, Fragment Offset
+    ip_header += b'\x28\x06\xa6\xec'  # TTL = 40s, Protocol = 6 for TCP | Header Checksum
+    ip_header += b'\xc0\xa8\x0a\x0a'  # Source Address: 192.168.10.10
+    ip_header += b'\xc0\xa8\x0a\x14'  # Destination Address: 192.168.10.20 
+
+    tcp_header  = b'\x09\x25\x04\xB0' # 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\x11\x00\x00' # Data Offset, Reserved, Flags | Window Size
+    tcp_header += b'\xe6\x32\x00\x00' # Checksum | Urgent Pointer
+
+    packet = ip_header + tcp_header
+    return packet
+
+if __name__=="__main__":
+    dst_IP = '192.168.10.20'
+
+    s = init_socket()
+
+    packet = send_raw_packet()
+    s.sendto(packet, (dst_IP, 0))

Test_Cases/Test_Case2/TestCase2_SYN.py

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+import socket
+
+# Sending a SYN packet 
+
+def init_socket():
+    s = socket.socket(socket.AF_INET, socket.SOCK_RAW, socket.IPPROTO_TCP)
+    s.setsockopt(socket.IPPROTO_IP, socket.IP_HDRINCL, 1)
+    return s    
+
+def send_raw_packet():
+    ip_header  = b'\x45\x00\x00\x28'  # Version, IHL, Type of Service | Total Length
+    ip_header += b'\x00\x00\x00\x00'  # Identification | Flags, Fragment Offset
+    ip_header += b'\x28\x06\xa6\xec'  # TTL = 40s, Protocol = 6 for TCP | Header Checksum
+    ip_header += b'\xc0\xa8\x0a\x14'  # Source Address: 192.168.10.20 
+    ip_header += b'\xc0\xa8\x0a\x0a'  # Destination Address: 192.168.10.10
+
+    tcp_header  = b'\x09\x25\x04\xB0' # 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\x00\x00' # Data Offset, Reserved, Flags | Window Size
+    tcp_header += b'\xe6\x32\x00\x00' # Checksum | Urgent Pointer
+
+    packet = ip_header + tcp_header
+    return packet
+
+if __name__=="__main__":
+    dst_IP = '192.168.10.10'
+
+    s = init_socket()
+
+    packet = send_raw_packet()
+    s.sendto(packet, (dst_IP, 0))

Test_Cases/Test_Case2/TestCase2_SYNACK.py

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+import socket
+
+# Sending a SYN+ACK packet 
+
+def init_socket():
+    s = socket.socket(socket.AF_INET, socket.SOCK_RAW, socket.IPPROTO_TCP)
+    s.setsockopt(socket.IPPROTO_IP, socket.IP_HDRINCL, 1)
+    return s    
+
+def send_raw_packet():
+    ip_header  = b'\x45\x00\x00\x28'  # Version, IHL, Type of Service | Total Length
+    ip_header += b'\x00\x00\x00\x00'  # Identification | Flags, Fragment Offset
+    ip_header += b'\x28\x06\xa6\xec'  # TTL = 40s, Protocol = 6 for TCP | Header Checksum
+    ip_header += b'\xc0\xa8\x0a\x0a'  # Source Address: 192.168.10.10
+    ip_header += b'\xc0\xa8\x0a\x14'  # Destination Address: 192.168.10.20 
+
+    tcp_header  = b'\x09\x25\x04\xB0' # 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\x12\x00\x00' # Data Offset, Reserved, Flags | Window Size
+    tcp_header += b'\xe6\x32\x00\x00' # Checksum | Urgent Pointer
+
+    packet = ip_header + tcp_header
+    return packet
+
+if __name__=="__main__":
+    dst_IP = '192.168.10.20'
+
+    s = init_socket()
+
+    packet = send_raw_packet()
+    s.sendto(packet, (dst_IP, 0))