Module `ctfsolver.src.manager_files_pcap`

Classes

class ManagerFilePcap (*args, **kwargs)

Expand source code

class ManagerFilePcap:
    def __init__(self, *args, **kwargs):
        pass

    def initializing_all_ancestors(self, *args, **kwargs):
        """
        Description:
            Initializes all the ancestors of the class
        """

    def pcap_open(self, file=None, save=False):
        """
        Description:
            Open the pcap file with scapy and saves it in self.packets

        Args:
            file (Path, optional): File to open. Defaults to None.
            save (bool, optional): Save the output. Defaults to False.

        """

        if file is None:
            file = self.challenge_file

        self.packets = rdpcap(file.as_posix())

        if save:
            return self.packets

    def searching_text_in_packets(self, text, packets=None, display=False):
        """
        Description:
        Search for a text in the packets that have been opened with scapy

        Args:
            text (str): Text to search in the packets
            packets (list, optional): List of packets to search in. Defaults to None.
            display (bool, optional): Display the packet if the text is found. Defaults to False.

        Returns:
            str: Text found in the packet if found
        """

        if packets is None:
            packets = self.packets

        for i, packet in enumerate(packets):
            if packet.haslayer("Raw"):
                if text.encode() in packet["Raw"].load:
                    if display:
                        print(f"Found {text} in packet {i}")
                        print(packet.show())
                        print(packet.summary())
                    return packet["Raw"].load.decode("utf-8")

Subclasses

ManagerFile

Methods

def initializing_all_ancestors(self, *args, **kwargs)

Expand source code

def initializing_all_ancestors(self, *args, **kwargs):
    """
    Description:
        Initializes all the ancestors of the class
    """

Description

Initializes all the ancestors of the class

def pcap_open(self, file=None, save=False)

Expand source code

def pcap_open(self, file=None, save=False):
    """
    Description:
        Open the pcap file with scapy and saves it in self.packets

    Args:
        file (Path, optional): File to open. Defaults to None.
        save (bool, optional): Save the output. Defaults to False.

    """

    if file is None:
        file = self.challenge_file

    self.packets = rdpcap(file.as_posix())

    if save:
        return self.packets

Description

Open the pcap file with scapy and saves it in self.packets

Args

file : Path, optional: File to open. Defaults to None.
save : bool, optional: Save the output. Defaults to False.

def searching_text_in_packets(self, text, packets=None, display=False)

Expand source code

def searching_text_in_packets(self, text, packets=None, display=False):
    """
    Description:
    Search for a text in the packets that have been opened with scapy

    Args:
        text (str): Text to search in the packets
        packets (list, optional): List of packets to search in. Defaults to None.
        display (bool, optional): Display the packet if the text is found. Defaults to False.

    Returns:
        str: Text found in the packet if found
    """

    if packets is None:
        packets = self.packets

    for i, packet in enumerate(packets):
        if packet.haslayer("Raw"):
            if text.encode() in packet["Raw"].load:
                if display:
                    print(f"Found {text} in packet {i}")
                    print(packet.show())
                    print(packet.summary())
                return packet["Raw"].load.decode("utf-8")

Description: Search for a text in the packets that have been opened with scapy

Args

text : str: Text to search in the packets
packets : list, optional: List of packets to search in. Defaults to None.
display : bool, optional: Display the packet if the text is found. Defaults to False.

Returns

str: Text found in the packet if found