albatross/provision/vmm_req_command.ml

63 lines
1.8 KiB
OCaml

(* (c) 2017 Hannes Mehnert, all rights reserved *)
open Vmm_provision
open Rresult.R.Infix
open Vmm_asn
let cmd_csr name key command block_device block_size =
let bd = match block_device with
| None -> []
| Some x -> [ (false, `Unsupported (Oid.block_device, string_to_cstruct x)) ]
in
let bs = match block_size with
| None -> []
| Some x -> [ (false, `Unsupported (Oid.memory, int_to_cstruct x)) ]
in
let exts =
[ (false, `Unsupported (Oid.version, version_to_cstruct asn_version)) ;
(false, `Unsupported (Oid.command, command_to_cstruct command)) ] @ bd @ bs
and name = [ `CN name ]
in
X509.CA.request name ~extensions:[`Extensions exts] key
let jump _ name key command block_device block_size =
Nocrypto_entropy_unix.initialize () ;
match
priv_key key name >>= fun key ->
let csr = cmd_csr name key command block_device block_size in
let enc = X509.Encoding.Pem.Certificate_signing_request.to_pem_cstruct1 csr in
Bos.OS.File.write Fpath.(v name + ".req") (Cstruct.to_string enc)
with
| Ok () -> `Ok ()
| Error (`Msg m) -> `Error (false, m)
open Cmdliner
let cmd =
let parse s =
match Vmm_core.command_of_string s with
| Some x -> `Ok x
| None -> `Error "invalid command"
in
(parse, Vmm_core.pp_command)
let command =
let doc = "command" in
Arg.(required & pos 1 (some cmd) None & info [] ~doc)
let block_device =
let doc = "block device" in
Arg.(value & opt (some string) None & info [ "block-device" ] ~doc)
let block_size =
let doc = "block size in MB" in
Arg.(value & opt (some int) None & info [ "block-size" ] ~doc)
let cmd =
Term.(ret (const jump $ setup_log $ nam $ key $ command $ block_device $ block_size)),
Term.info "vmm_req_command" ~version:"%%VERSION_NUM%%"
let () = match Term.eval cmd with `Ok () -> exit 0 | _ -> exit 1