Exemplo n.º 1
0
class HttpConn:
    """all data having same source/dest ip/port in one http connection."""
    STATUS_BEGIN = 0
    STATUS_RUNNING = 1
    STATUS_CLOSED = 2
    STATUS_ERROR = -1

    def __init__(self, tcp_pac):
        self.source_ip = tcp_pac.source
        self.source_port = tcp_pac.source_port
        self.dest_ip = tcp_pac.dest
        self.dest_port = tcp_pac.dest_port

        self.status = HttpConn.STATUS_BEGIN

        # start parser thread
        self.processor = HttpPrinter((self.source_ip, self.source_port),
                                     (self.dest_ip, self.dest_port))
        self.http_parser = HttpParser(self.processor)
        self.tcp_pac_list = []
        self.append(tcp_pac)

    def append(self, tcp_pac):
        print("xiaozhen, HttpConn")
        print([tcp_pac,self.source_ip, self.source_port, self.dest_ip, self.dest_port])
        print("xiaozhen, HttpConn end ")
        if len(tcp_pac.body) == 0:
            return
        #Store the tcp infos, will be used to display
        self.tcp_pac_list.append([tcp_pac,self.source_ip, self.source_port, self.dest_ip, self.dest_port])

        if self.status == HttpConn.STATUS_ERROR or self.status == HttpConn.STATUS_CLOSED:
            # not http conn or conn already closed.
            return

        if self.status == HttpConn.STATUS_BEGIN:
            if tcp_pac.body:
                if utils.is_request(tcp_pac.body):
                    self.status = HttpConn.STATUS_RUNNING
        if tcp_pac.source == self.source_ip:
            http_type = HttpType.REQUEST
        else:
            http_type = HttpType.RESPONSE

        if self.status == HttpConn.STATUS_RUNNING and tcp_pac.body:
            self.http_parser.send(http_type, tcp_pac.body)

        if tcp_pac.pac_type == -1:
            # end of connection
            if self.status == HttpConn.STATUS_RUNNING:
                self.status = HttpConn.STATUS_CLOSED
            else:
                self.status = HttpConn.STATUS_ERROR

    def finish(self):
        self.http_parser.finish()
Exemplo n.º 2
0
    def __init__(self, tcp_pac):
        self.source_ip = tcp_pac.source
        self.source_port = tcp_pac.source_port
        self.dest_ip = tcp_pac.dest
        self.dest_port = tcp_pac.dest_port

        self.status = HttpConn.STATUS_BEGIN

        # start parser thread
        self.processor = HttpPrinter((self.source_ip, self.source_port),
                                     (self.dest_ip, self.dest_port))
        self.http_parser = HttpParser(self.processor)
        self.append(tcp_pac)
Exemplo n.º 3
0
def _worker(worker_socket, client_ip, client_port, output_file):
    try:
        handler = ConnectionHandler(worker_socket)
        handler.init_connect()
        processor = HttpPrinter((client_ip, client_port), handler.remote_host)
        http_parser = HttpParser(processor)
        handler.proxy_data(http_parser)
        handler.close()
        http_parser.finish()
    except Exception:
        import traceback

        traceback.print_exc()
Exemplo n.º 4
0
    def __init__(self, packet):
        """
        :type packet: TcpPack
        """
        self.up_stream = Stream()
        self.down_stream = Stream()
        self.client_key = packet.source_key()

        self.is_http = None
        self.processor = HttpPrinter((packet.source, packet.source_port),
                                     (packet.dest, packet.dest_port))
        self.http_parser = HttpParser(self.processor)
        self.on_packet(packet)
Exemplo n.º 5
0
def _worker(worker_socket, client_ip, client_port, output_file):
    try:
        handler = ConnectionHandler(worker_socket)
        handler.init_connect()
        processor = HttpPrinter((client_ip, client_port), handler.remote_host)
        http_parser = HttpParser(processor)
        handler.proxy_data(http_parser)
        handler.close()
        http_parser.finish()
    except Exception:
        import traceback

        traceback.print_exc()
Exemplo n.º 6
0
class TcpConnection(object):
    def __init__(self, packet):
        """
        :type packet: TcpPack
        """
        self.up_stream = Stream()
        self.down_stream = Stream()
        self.client_key = packet.source_key()

        self.is_http = None
        self.processor = HttpPrinter((packet.source, packet.source_port),
                                     (packet.dest, packet.dest_port))
        self.http_parser = HttpParser(self.processor)
        self.on_packet(packet)

    def on_packet(self, packet):
        """
        :type packet: TcpPack
        """
        if self.is_http is None and packet.body:
            self.is_http = is_request(packet.body)

        if self.is_http == False:
            return

        if packet.source_key() == self.client_key:
            send_stream = self.up_stream
            confirm_stream = self.down_stream
            pac_type = HttpType.RESPONSE
        else:
            send_stream = self.down_stream
            confirm_stream = self.up_stream
            pac_type = HttpType.REQUEST

        if len(packet.body) > 0:
            send_stream.append_packet(packet)
        if packet.syn:
            pass
        if packet.ack:
            packets = confirm_stream.retrieve_packet(packet.ack_seq)
            if packets:
                for packet in packets:
                    self.http_parser.send(pac_type, packet.body)
        if packet.fin:
            send_stream.status = 1

    def closed(self):
        return self.up_stream.status == 1 and self.down_stream.status == 1

    def finish(self):
        self.http_parser.finish()
Exemplo n.º 7
0
    def __init__(self, tcp_pac):
        self.source_ip = tcp_pac.source
        self.source_port = tcp_pac.source_port
        self.dest_ip = tcp_pac.dest
        self.dest_port = tcp_pac.dest_port

        self.status = HttpConn.STATUS_BEGIN

        # start parser thread
        self.processor = HttpPrinter((self.source_ip, self.source_port),
                                     (self.dest_ip, self.dest_port))
        self.http_parser = HttpParser(self.processor)
        self.append(tcp_pac)