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Charrua DHCP - a DHCP client, server and wire frame encoder and decoder
charrua is an
ISC-licensed DHCP library implementation in OCaml.
It provides five packages:
charrua: a library that handles wire traffic parsing
charrua-server: a DHCP server implementation
charrua-client: a library for handling DHCP client state and messages
charrua-client-lwt: a DHCP client library with timeouts and network read/write
charrua-client-mirage: a MirageOS-compatible set of interfaces to charrua-client-lwt
charrua-unix: a Unix DHCP server implementation
charrua is a reference to the, now extinct, semi-nomadic people of
southern South America.
Charrua consists of the single module
Dhcp_wire responsible for parsing and
constructing DHCP messages,
You can browse the API for charrua at
Dhcp_wireprovides marshalling and unmarshalling utilities for DHCP, it is the
Logic/sequencing is agnostic of IO and platform, so it can run on Unix as a
process, as a Mirage unikernel or anything else.
All DHCP options are supported at the time of this writing.
Code is purely applicative.
It's in OCaml, so it's pretty cool.
Dhcp_server supports a stripped down ISC
dhcpd.conf, so you can
probably just use your old
dhcpd.conf. It also supports manual configuration
building in OCaml.
is a MirageOS DHCP unikernel server based on charrua,
included as a part of the MirageOS unikernel example and starting-point
charrua-client is a DHCP client powered by charrua.
The base library exposes a simple state machine in
for use in acquiring a DHCP lease.
charrua-client with a functor
using the provided modules for timing and networking logic,
for convenient use by a program which might wish to implement a full client.
charrua-client-mirage exposes an additional
Dhcp_client_mirage for direct use
with the MirageOS library operating system.
charrua-unix is an ISC-licensed Unix DHCP daemon based on
Supports a stripped down ISC dhcpd.conf. A configuration sample can be found
Privilege dropping: the daemon doesn't run as root.
Almost purely-functional code.
Support for multiple interfaces/subnets.
charruad --help for options.
This project became one of the Mirage Pioneer