From 4315b429f8f39772bef5fc2175859a55ae513714 Mon Sep 17 00:00:00 2001 From: David Bremner Date: Thu, 5 May 2022 08:29:25 -0300 Subject: introduce the pass(1) data source IDEN1 is mapped to a containing directory beneath a user defined pass(1) store, and IDEN2 completes the path to a gpg encrypted file. Signed-off-by: David Bremner --- src/data/pass.lisp | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 src/data/pass.lisp (limited to 'src/data') diff --git a/src/data/pass.lisp b/src/data/pass.lisp new file mode 100644 index 0000000..c23cf5e --- /dev/null +++ b/src/data/pass.lisp @@ -0,0 +1,66 @@ +;;; Consfigurator -- Lisp declarative configuration management system + +;;; Copyright (C) 2022 David Bremner + +;;; This file 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, or (at your option) +;;; any later version. + +;;; This file 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 . + +(in-package :consfigurator.data.pass) +(named-readtables:in-readtable :consfigurator) + +(defmethod register-data-source ((type (eql :pass)) + &key (location "~/.password-store")) + "Provide the contents of a pass(1) store on the machine running the root +Lisp. Register this data source multiple times to provide multiple stores. + +LOCATION specifies the root of the password store. + +LOCATION, IDEN1, and IDEN2 are concatenated to locate a file in the password +store. + +For retrieving user account passwords, IDEN1 can be a valid hostname or +'--user-passwd--HOST' where HOST is a valid hostname, and IDEN2 the username. +Otherwise, IDEN1 should begin with '_' (see the 'Prerequisite Data' section of +the Consfigurator user's manual). In the latter case, if the concatenated +path does not exist in the password store then the search is tried again after +dropping the '_'. This means that while user consfigs should always prefix +any IDEN1 that is not a valid hostname or of the form '--user-passwd--HOST' +with '_', existing pass(1) entries do not need to be renamed. Other forms for +IDEN1 are not supported by this data source." + (let ((base-path (ensure-directory-pathname location))) + (unless (directory-exists-p base-path) + (missing-data-source + "~A does not exist, or is not a directory." base-path)) + (labels + ((%gpg-file-p (iden1 iden2) + (file-exists-p + (literal-data-pathname base-path iden1 iden2 :type "gpg"))) + (%make-path (iden1 iden2) + (acond + ((strip-prefix "--user-passwd--" iden1) + (and (valid-hostname-p it) (%gpg-file-p it iden2))) + ((strip-prefix "_" iden1) + (or (%gpg-file-p iden1 iden2) (%gpg-file-p it iden2))) + (t + (and (valid-hostname-p iden1) (%gpg-file-p iden1 iden2))))) + (check (iden1 iden2) + (when-let ((file-path (%make-path iden1 iden2))) + (file-write-date file-path))) + (extract (iden1 iden2) + (when-let ((file-path (%make-path iden1 iden2))) + (make-instance 'string-data + :string (stripln (gpg-file-as-string file-path)) + :iden1 iden1 + :iden2 iden2 + :version (file-write-date file-path))))) + (cons #'check #'extract)))) -- cgit v1.2.3