test: script to turn htp files into pcaps

test/htptopcap.py

@@ -0,0 +1,126 @@
+import sys
+import binascii
+from threading import Thread
+import time
+import socket
+
+# Create a pcap from a htp test file
+# Launches a server on port 8080
+# Launches a client in another thread that connects to it
+# Both client and server read the htp test file
+# And they send and receive data as described (without analysing it)
+# So, you need to capture traffic on port 8080 while running the script
+
+def removeOneEOL(s):
+    r = s
+    if r[-1] == '\n':
+        r = r[:-1]
+        if r[-1] == '\r':
+            r = r[:-1]
+    return r
+
+
+class ServerThread(Thread):
+
+    def __init__(self, filename):
+        Thread.__init__(self)
+        self.filename = filename
+
+    def run(self):
+        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        s.bind(("127.0.0.1", 8080))
+        s.listen(1)
+        conn, addr = s.accept()
+        f = open(self.filename)
+        state = 0
+        sending = ""
+        receiving = ""
+
+        for l in f.readlines():
+            # change of state
+            if l.rstrip() == "<<<" or l.rstrip() == ">>>":
+                # Receiving or sending buffer
+                if state == 1:
+                    conn.send(removeOneEOL(sending))
+                    print "server sent", len(removeOneEOL(sending))
+                elif state == 2:
+                    data = conn.recv(len(removeOneEOL(receiving)))
+                    print "server recvd", len(data)
+                if l.rstrip() == "<<<":
+                    state = 1
+                    sending = ""
+                elif l.rstrip() == ">>>":
+                    state = 2
+                    receiving = ""
+            else:
+                if state == 1:
+                    sending += l
+                elif state == 2:
+                    receiving += l
+
+        # Receiving or sending last buffer
+        if state == 1:
+            conn.send(sending)
+            print "server sent", len(sending)
+        elif state == 2:
+            data = conn.recv(len(receiving))
+            print "server recvd", len(data)
+        conn.close()
+        s.close()
+        f.close()
+
+
+class ClientThread(Thread):
+
+    def __init__(self, filename):
+        Thread.__init__(self)
+        self.filename = filename
+
+    def run(self):
+        time.sleep(1)
+        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        s.connect(("127.0.0.1", 8080))
+        f = open(self.filename)
+        state = 0
+        sending = ""
+        receiving = ""
+
+        for l in f.readlines():
+            if l.rstrip() == "<<<" or l.rstrip() == ">>>":
+                if state == 1:
+                    s.send(removeOneEOL(sending))
+                    print "client sent", len(removeOneEOL(sending))
+                elif state == 2:
+                    data = s.recv(len(removeOneEOL(receiving)))
+                    print "client recvd", len(data)
+                if l.rstrip() == "<<<":
+                    state = 2
+                    receiving = ""
+                elif l.rstrip() == ">>>":
+                    state = 1
+                    sending = ""
+            else:
+                if state == 1:
+                    sending += l
+                elif state == 2:
+                    receiving += l
+
+        if state == 1:
+            s.send(sending)
+            print "client sent", len(sending)
+        elif state == 2:
+            data = s.recv(len(receiving))
+            print "client recvd", len(data)
+        s.close()
+        f.close()
+
+t1 = ServerThread(sys.argv[1])
+t2 = ClientThread(sys.argv[1])
+
+# Launch threads
+t1.start()
+t2.start()
+
+# Wait for threads to finish
+t1.join()
+t2.join()