Simple Variable Message Format (VMF) message generation and manipulation via command-line. This program requires the Enum and bitstring packages, which can be installed with:
pip install Enum
pip install bitstring
Copyright (C) 2015 Jonathan Racicot <[email protected]>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
You can use and modify this code for your own software as long as you
retain information about the original author in your code, including
the name, email address and website:
<author>Jonathan Racicot</author>
<email>[email protected]</email>
<url>https://github.com/infectedpacket</url>
usage: vmfcat [options] -of OUTPUT
Allows crafting of Variable Message Format (VMF) messages.
optional arguments:
-h, --help show this help message and exit
-v, --version show program's version number and exit
Input/Output Options:
Types of I/O supported.
-of [OUTPUTFILE], --ofile [OUTPUTFILE]
File to output the results. STDOUT by default.
Application Header:
Flags and Fields of the application header.
--vmf-version {std47001,std47001B,std47001C,std47001D,std47001D_CHANGE}
Specifies the version of the application header to
use.
--compress {UNIX,GZIP}
Specifies the data compression algorithm to use if
any.
--header-size HEADERSIZE
Specifies the size of the header.
Originator Address Group:
Fields of the originator address group.
--orig-urn URN Specify the URN of the originator of the message.
--orig-unit STRING Specify the name of the unit sending the message.
Recipient Address Group:
Fields of the recipient address group.
--rcpt-urns URNs [URNs ...]
List of 24-bit codes used to uniquely identify
friendly units.
--rcpt-unitnames UNITNAMES [UNITNAMES ...]
List of variable size fields of character-coded
identifiers for friendly units.
Information Address Group:
Fields of the information address group.
--info-urns URNs [URNs ...]
Specify the URN of the reference message.
--info-units UNITNAMES
Specify the name of the unit of the reference message.
Message Handling Group:
Fields of the message handling group.
--umf {link16,binary,vmf,nitfs,rdm,usmtf,doi103,xml-mtf,xml-vmf}
Indicates the format of the message contained in the
user data field.
--msg-version VERSION
Represents the version of the message standard
contained in the user data field.
--fad {netcon,infoex,firesupport,airops,int,land,navy,css,special,jtfops,airdef}
Identifies the functional area of a specific VMF
message using code words.
--msg-number 1-127 Represents the number that identifies a specific VMF
message within a functional area.
--msg-subtype 1-127 Represents a specific case within a VMF message, which
depends on the UMF, FAD and message number.
--filename FILENAME Indicates the name of the computer file or data block
contained in the User Data portion of the application
PDU.
--msg-size SIZE Indicates the size (in bytes) of the associated
message within the User Data field.
--opind {op,ex,sim,test}
Indicates the operational function of the message.
--retrans Indicates whether a message is a retransmission.
--msg-prec {reserved,critic,flashover,flash,imm,pri,routine}
Indicates relative precedence of a message.
--class {unclass,conf,secret,topsecret} [{unclass,conf,secret,topsecret} ...]
Security classification of the message.
--release COUNTRIES Support the exchange of a list of up to 16 country
codes with which the message can be release.
--orig-dtg YYYY-MM-DD HH:mm[:ss] [extension]
Contains the date and time in Zulu Time that the
message was prepared.
--perish-dtg YYYY-MM-DD HH:mm[:ss]
Provides the latest time the message is still of
value.
Acknowledgement Request Group:
Options to request acknowledgement and replies.
--ack-machine Indicates whether the originator of a machine requires
a machine acknowledgement for the message.
--ack-op Indicates whether the originator of the message
requires an acknowledgement for the message from the
recipient.
--reply Indicates whether the originator of the message
requires an operator reply to the message.
Response Data Options:
Fields for the response data group.
--ack-dtg YYYY-MM-DD HH:mm[:ss] [extension]
Provides the date and time of the original message
that is being acknowledged.
--rc {mr,cantpro,oprack,wilco,havco,cantco,undef}
Codeword representing the Receipt/Compliance answer to
the acknowledgement request.
--cantpro 1-32 Indicates the reason that a particular message cannot
be processed by a recipient or information address.
--cantco {comm,ammo,pers,fuel,env,equip,tac,other}
Indicates the reason that a particular recipient
cannot comply with a particular message.
--reply-amp REPLYAMP Provide textual data an amplification of the
recipient's reply to a message.
Reference Message Data Group:
Fields of the reference message data group.
--ref-urn URN Specify the URN of the reference message.
--ref-unit STRING Specify the name of the unit of the reference message.
--ref-dtg YYYY-MM-DD HH:mm[:ss] [extension]
Date time group of the reference message.
Message Security Group:
Fields of the message security group.
--sec-param {auth,undef}
Indicate the identities of the parameters and
algorithms that enable security processing.
--keymat-len KEYMATLEN
Defines the size in octets of the Keying Material ID
field.
--keymat-id KEYMATID Identifies the key which was used for encryption.
--crypto-init-len CRYPTO_INIT_LEN
Defines the size, in 64-bit blocks, of the Crypto
Initialization field.
--crypto-init CRYPTO_INIT
Sequence of bits used by the originator and recipient
to initialize the encryption/decryption process.
--keytok-len KEYTOK_LEN
Defines the size, in 64-bit blocks, of the Key Token
field.
--keytok KEYTOK Contains information enabling each member of each
address group to decrypt the user data associated with
this message header.
--autha-len LENGTH Defines the size, in 64-bit blocks, of the
Authentification Data (A) field.
--authb-len LENGTH Defines the size, in 64-bit blocks, of the
Authentification Data (B) field.
--autha AUTHA Data created by the originator to provide both
connectionless integrity and data origin
authentication (A).
--authb AUTHB Data created by the originator to provide both
connectionless integrity and data origin
authentication (B).
--ack-signed Indicates whether the originator of a message requires
a signed response from the recipient.
--pad-len LENGTH Defines the size, in octets, of the message security
padding field.
--padding PADDING Necessary for a block encryption algorithm so the
content of the message is a multiple of the encryption
block length.
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