Package: wnpp
Severity: wishlist
Owner: Guilhem Moulin <guilhem@guilhem.org>
* Package name : lacme-accountd
Version : 0.1
Upstream Author : Guilhem Moulin <guilhem@fripost.org>
* URL : https://git.guilhem.org/lacme/about/
* License : GPL-3+
Programming Lang: Perl
Description : lacme account key manager
lacme is an ACME client written with process isolation and minimal
privileges in mind. It is divided into four components, each with its
own executable:
* A process to manage the account key and issue SHA-256 signatures
needed for each ACME command. (This process binds to a UNIX-domain
socket to reply to signature requests from the ACME client.) One
can use the UNIX-domain socket forwarding facility of OpenSSH 6.7
and later to run this process on a different host.
* A "master" process, which runs as root and is the only component
with access to the private key material of the server keys. It is
used to fork the ACME client (and optionally the ACME webserver)
after dropping root privileges. For certificate issuances, it also
generates Certificate Signing Requests, then verifies the validity
of the issued certificate, and optionally reloads or restarts
services.
* An actual ACME client, which builds ACME commands and dialogues with
the remote ACME server. Since ACME commands need to be signed with
the account key, the "master" process passes the UNIX-domain socket
of the account key manager to the ACME client: data signatures are
requested by writing the data to be signed to the socket.
* For certificate issuances, an optional webserver, which is spawned
by the "master" process when no service is listening on the HTTP
port. (The only challenge type currently supported is "http-01",
which requires a webserver to answer challenges.) That webserver
only processes GET and HEAD requests under the
"/.well-known/acme-challenge/" URI. By default some iptables(8)
rules are automatically installed to open the HTTP port, and removed
afterwards.
lacme-accountd is the first (account key manager) component. It is the
only component with access to the account key.
--
Guilhem.
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