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74 lines
2.5 KiB
Text
74 lines
2.5 KiB
Text
##! Defines data structures for tracking and logging FTP sessions.
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module FTP;
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@load ./utils-commands
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export {
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## This setting changes if passwords used in FTP sessions are
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## captured or not.
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const default_capture_password = F &redef;
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## The expected endpoints of an FTP data channel.
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type ExpectedDataChannel: record {
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## Whether PASV mode is toggled for control channel.
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passive: bool &log;
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## The host that will be initiating the data connection.
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orig_h: addr &log;
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## The host that will be accepting the data connection.
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resp_h: addr &log;
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## The port at which the acceptor is listening for the data
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## connection.
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resp_p: port &log;
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};
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type Info: record {
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## Time when the command was sent.
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ts: time &log;
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## Unique ID for the connection.
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uid: string &log;
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## The connection's 4-tuple of endpoint addresses/ports.
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id: conn_id &log;
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## User name for the current FTP session.
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user: string &log &default="<unknown>";
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## Password for the current FTP session if captured.
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password: string &log &optional;
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## Command given by the client.
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command: string &log &optional;
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## Argument for the command if one is given.
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arg: string &log &optional;
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## Libmagic "sniffed" file type if the command indicates a file
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## transfer.
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mime_type: string &log &optional;
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## Size of the file if the command indicates a file transfer.
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file_size: count &log &optional;
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## Reply code from the server in response to the command.
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reply_code: count &log &optional;
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## Reply message from the server in response to the command.
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reply_msg: string &log &optional;
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## Expected FTP data channel.
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data_channel: ExpectedDataChannel &log &optional;
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## Current working directory that this session is in. By making
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## the default value '.', we can indicate that unless something
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## more concrete is discovered that the existing but unknown
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## directory is ok to use.
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cwd: string &default=".";
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## Command that is currently waiting for a response.
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cmdarg: CmdArg &optional;
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## Queue for commands that have been sent but not yet responded
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## to are tracked here.
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pending_commands: PendingCmds;
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## Indicates if the session is in active or passive mode.
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passive: bool &default=F;
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## Determines if the password will be captured for this request.
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capture_password: bool &default=default_capture_password;
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};
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}
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