From ac171e119512fbcbc638192d4957a7d09badfe3e Mon Sep 17 00:00:00 2001
From: Mari Wahl <mari.wahl9@gmail.com>
Date: Tue, 16 Dec 2014 12:58:22 -0500
Subject: [PATCH] socket scripts added

---
 .../socket/{netcat.py => netcat_awesome.py}   | 15 ++---
 Network_and_802.11/socket/netcat_simple.py    | 36 ++++++++++++
 Network_and_802.11/socket/tcp_client.py       | 28 ++++++++++
 Network_and_802.11/socket/tcp_server.py       | 56 +++++++++++++++++++
 Network_and_802.11/socket/udp_client.py       | 31 ++++++++++
 5 files changed, 159 insertions(+), 7 deletions(-)
 rename Network_and_802.11/socket/{netcat.py => netcat_awesome.py} (65%)
 create mode 100644 Network_and_802.11/socket/netcat_simple.py
 create mode 100644 Network_and_802.11/socket/tcp_server.py
 create mode 100644 Network_and_802.11/socket/udp_client.py

diff --git a/Network_and_802.11/socket/netcat.py b/Network_and_802.11/socket/netcat_awesome.py
similarity index 65%
rename from Network_and_802.11/socket/netcat.py
rename to Network_and_802.11/socket/netcat_awesome.py
index 28a8eda..91f62a8 100644
--- a/Network_and_802.11/socket/netcat.py
+++ b/Network_and_802.11/socket/netcat_awesome.py
@@ -5,18 +5,19 @@ __author__ = "bt3"
 
 import socket
 
+# Definning constants
 PORT = 12345
 HOSTNAME = '54.209.5.48'
 
 
-def netcat(hostname, port, content):
+def netcat(text_to_send):
 
     s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-    s.connect((hostname, port))
-    s.sendall(content)
+    s.connect(( HOSTNAME, PORT))
+    s.sendall(text_to_send)
     s.shutdown(socket.SHUT_WR)
-    adata = []
 
+    adata = []
     while 1:
         data = s.recv(1024)
         if data == "":
@@ -24,12 +25,12 @@ def netcat(hostname, port, content):
         adata.append(data)
 
     s.close()
-
     return adata
 
 
 
 if __name__ == '__main__':
 
-    message = netcat(HOSTNAME, PORT, '')[1]
-    print message
\ No newline at end of file
+    text_to_send = ''
+    text_recved = netcat(text_to_send))
+    print text_recved[1]
\ No newline at end of file
diff --git a/Network_and_802.11/socket/netcat_simple.py b/Network_and_802.11/socket/netcat_simple.py
new file mode 100644
index 0000000..91f62a8
--- /dev/null
+++ b/Network_and_802.11/socket/netcat_simple.py
@@ -0,0 +1,36 @@
+#!/usr/bin/env python
+
+__author__ = "bt3"
+
+
+import socket
+
+# Definning constants
+PORT = 12345
+HOSTNAME = '54.209.5.48'
+
+
+def netcat(text_to_send):
+
+    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    s.connect(( HOSTNAME, PORT))
+    s.sendall(text_to_send)
+    s.shutdown(socket.SHUT_WR)
+
+    adata = []
+    while 1:
+        data = s.recv(1024)
+        if data == "":
+            break
+        adata.append(data)
+
+    s.close()
+    return adata
+
+
+
+if __name__ == '__main__':
+
+    text_to_send = ''
+    text_recved = netcat(text_to_send))
+    print text_recved[1]
\ No newline at end of file
diff --git a/Network_and_802.11/socket/tcp_client.py b/Network_and_802.11/socket/tcp_client.py
index f183afc..e410333 100644
--- a/Network_and_802.11/socket/tcp_client.py
+++ b/Network_and_802.11/socket/tcp_client.py
@@ -4,3 +4,31 @@ __author__ = "bt3"
 
 
 import socket
+
+# Defining constants
+HOST = 'localhost'
+PORT = 9090
+DATA = 'GET / HTTP/1.1\r\nHost: google.com\r\n\r\n'
+
+
+def tcp_client():
+
+    # Create a socket object
+    # AF_INET parameter: to use standard IPv4 address
+    # SOCK_STREAM: to indicate tcp client
+    client = socket.socket( socket.AF_INET, socket.SOCK_STREAM)
+
+    # Connect the client
+    client.connect(( HOST, PORT ))
+
+    # Send data
+    client.send(DATA)
+
+    # Receive some data
+    response = client.recv(4096)
+    print response
+
+
+
+if __name__ == '__main__':
+    tcp_client()
diff --git a/Network_and_802.11/socket/tcp_server.py b/Network_and_802.11/socket/tcp_server.py
new file mode 100644
index 0000000..3a14141
--- /dev/null
+++ b/Network_and_802.11/socket/tcp_server.py
@@ -0,0 +1,56 @@
+#!/usr/bin/env python
+
+__author__ = "bt3"
+
+
+import socket
+import threading
+
+# Defining constants
+# The IP address and port we want the server to listen on
+BIND_IP = '0.0.0.0'
+BIND_PORT = 9090
+
+
+# Start a thread to handle client connection
+def handle_client(client_socket):
+
+    # Get data from client
+    request = client_socket.recv(1024)
+    print "[*] Received: " + request
+
+    # Send back a packet
+    client_socket.send('ACK')
+
+    client_socket.close()
+
+
+
+def tcp_server():
+
+    # Create a socket object (just like the client)
+    server = socket.socket( socket.AF_INET, socket.SOCK_STREAM)
+
+    # Start listening
+    server.bind(( BIND_IP, BIND_PORT))
+
+    # the maximum backlog of connections is set to 5
+    server.listen(5)
+    print"[*] Listening on %s:%d" % (BIND_IP, BIND_PORT)
+
+    # putting the server in the loop to wait for incoming connections
+    while 1:
+
+        # when a client connects, we receive the client socket (client variable)
+        # the connections variables go to the addr variable
+        client, addr = server.accept()
+        print "[*] Accepted connection from: %s:%d" %(addr[0], addr[1])
+
+        # create a thread object that points to our function
+        client_handler = threading.Thread(target=handle_client, args=(client,))
+        client_handler.start()
+
+
+
+if __name__ == '__main__':
+    tcp_server()
diff --git a/Network_and_802.11/socket/udp_client.py b/Network_and_802.11/socket/udp_client.py
new file mode 100644
index 0000000..5dee390
--- /dev/null
+++ b/Network_and_802.11/socket/udp_client.py
@@ -0,0 +1,31 @@
+#!/usr/bin/env python
+
+__author__ = "bt3"
+
+
+import socket
+
+# Defining constants
+HOST = '127.0.0.1'
+PORT = 80
+DATA = 'AAABBBCCC'
+
+
+def udp_client():
+
+    # Create a socket object
+    # AF_INET parameter: to use standard IPv4 address
+    # SOCK_DGRAM: to indicate udp client
+    client = socket.socket( socket.AF_INET, socket.SOCK_DGRAM)
+
+    # Send data
+    client.sendto(DATA, ( HOST, PORT ))
+
+    # Receive some data
+    data, addr = client.recvfrom(4096)
+    print data, addr
+
+
+
+if __name__ == '__main__':
+    udp_client()