diff options
Diffstat (limited to 'src/data.lisp')
| -rw-r--r-- | src/data.lisp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/data.lisp b/src/data.lisp index 307d0c1..ac5c6e9 100644 --- a/src/data.lisp +++ b/src/data.lisp @@ -1,6 +1,6 @@ ;;; Consfigurator -- Lisp declarative configuration management system -;;; Copyright (C) 2021 Sean Whitton <spwhitton@spwhitton.name> +;;; Copyright (C) 2021-2022 Sean Whitton <spwhitton@spwhitton.name> ;;; 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 @@ -173,6 +173,9 @@ This function is called by property :APPLY and :UNAPPLY subroutines." (missing-iden1 condition) (missing-iden2 condition))))) (defun %get-data (iden1 iden2) + (alet (first-char iden1) + (unless (or (char= #\_ it) (char= #\- it) (valid-hostname-p iden1)) + (simple-program-error "Invalid IDEN1: ~S" iden1))) (let* ((idenpair (cons iden1 iden2)) (from-source (query-data-sources iden1 iden2)) (from-source-version (and from-source (car from-source))) |