albatross/provision/vmm_gen_ca.ml

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2017-05-26 14:30:34 +00:00
(* (c) 2017 Hannes Mehnert, all rights reserved *)
open Vmm_provision
open Rresult.R.Infix
let s_exts =
[ (true, `Key_usage [ `Digital_signature ; `Key_encipherment ])
; (true, `Basic_constraints (false, None))
; (true, `Ext_key_usage [`Server_auth]) ]
let jump _ name db days sname sdays =
Nocrypto_entropy_unix.initialize () ;
match
priv_key ~bits:4096 None name >>= fun key ->
let name = [ `CN name ] in
let csr = X509.CA.request name key in
sign ~certname:"cacert" (d_exts ()) name key csr (Duration.of_day days) >>= fun () ->
priv_key None sname >>= fun skey ->
let sname = [ `CN sname ] in
let csr = X509.CA.request sname skey in
sign ~dbname:(Fpath.v db) s_exts name key csr (Duration.of_day sdays)
with
| Ok () -> `Ok ()
| Error (`Msg e) -> `Error (false, e)
open Cmdliner
let days =
let doc = "Number of days" in
Arg.(value & opt int 3650 & info [ "days" ] ~doc)
let db =
let doc = "Database" in
Arg.(required & pos 1 (some string) None & info [] ~doc)
let sname =
let doc = "Server name" in
Arg.(value & opt string "server" & info [ "server" ] ~doc)
let sday =
let doc = "Server validity" in
Arg.(value & opt int 365 & info [ "server-days" ] ~doc)
let cmd =
Term.(ret (const jump $ setup_log $ nam $ db $ days $ sname $ sday)),
Term.info "vmm_gen_ca" ~version:"%%VERSION_NUM%%"
let () = match Term.eval cmd with `Ok () -> exit 0 | _ -> exit 1