| 1 | ;;; -*-lisp-*- |
| 2 | ;;; |
| 3 | ;;; Zone generator frontend |
| 4 | ;;; |
| 5 | ;;; (c) 2005 Straylight/Edgeware |
| 6 | ;;; |
| 7 | |
| 8 | ;;;----- Licensing notice --------------------------------------------------- |
| 9 | ;;; |
| 10 | ;;; This program is free software; you can redistribute it and/or modify |
| 11 | ;;; it under the terms of the GNU General Public License as published by |
| 12 | ;;; the Free Software Foundation; either version 2 of the License, or |
| 13 | ;;; (at your option) any later version. |
| 14 | ;;; |
| 15 | ;;; This program is distributed in the hope that it will be useful, |
| 16 | ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | ;;; GNU General Public License for more details. |
| 19 | ;;; |
| 20 | ;;; You should have received a copy of the GNU General Public License |
| 21 | ;;; along with this program; if not, write to the Free Software Foundation, |
| 22 | ;;; Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 23 | |
| 24 | (defpackage #:zone.frontend |
| 25 | (:use #:common-lisp #:mdw.base #:mdw.sys-base #:optparse #:net #:zone |
| 26 | #+(or cmu clisp) #:mop |
| 27 | #+sbcl #:sb-mop) |
| 28 | (:export #:main)) |
| 29 | (in-package #:zone.frontend) |
| 30 | |
| 31 | (defvar opt-zones nil |
| 32 | "Which zones to be emitted.") |
| 33 | (defvar opt-format :bind |
| 34 | "Which format to use on output.") |
| 35 | (defvar opt-debug nil |
| 36 | "Whether to emit stack backtraces on error.") |
| 37 | |
| 38 | (defun directory-exists-p (name) |
| 39 | |
| 40 | ;; Make a pathname for NAME which has the right form for a directory. |
| 41 | (let ((dirpath |
| 42 | (let ((path (pathname name))) |
| 43 | (if (null (pathname-name path)) |
| 44 | path |
| 45 | (make-pathname :directory |
| 46 | (append (or (pathname-directory path) |
| 47 | (list :relative)) |
| 48 | (list (pathname-name path))) |
| 49 | :name nil |
| 50 | :type nil |
| 51 | :defaults path))))) |
| 52 | |
| 53 | ;; Now check that it exists. |
| 54 | #+clisp (and (ext:probe-directory dirpath) (truename dirpath)) |
| 55 | #-clisp (probe-file dirpath))) |
| 56 | |
| 57 | (eval-when (:compile-toplevel :load-toplevel) |
| 58 | (defopthandler dir (var arg) () |
| 59 | (let ((path (directory-exists-p arg))) |
| 60 | (if (and path |
| 61 | (not (pathname-name path))) |
| 62 | (setf var path) |
| 63 | (option-parse-error "path `~A' doesn't name a directory." arg)))) |
| 64 | (let ((duration-units (make-hash-table :test #'equal))) |
| 65 | (dolist (item '((("Gs") #.(* 1000 1000 1000)) |
| 66 | (("Ms") #.(* 1000 1000)) |
| 67 | (("ks") 1000) |
| 68 | (("hs") 100) |
| 69 | (("das") 10) |
| 70 | (("yr" "year" "years" "y") #.(* 365 24 60 60)) |
| 71 | (("wk" "week" "weeks" "w") #.(* 7 24 60 60)) |
| 72 | (("day" "days" "dy" "d") #.(* 24 60 60)) |
| 73 | (("hr" "hour" "hours" "h") #.(* 60 60)) |
| 74 | (("min" "minute" "minutes" "m") 60) |
| 75 | (("s" "second" "seconds" "sec" "") 1))) |
| 76 | (dolist (name (car item)) |
| 77 | (setf (gethash name duration-units) (cadr item)))) |
| 78 | (defopthandler dur (var arg) () |
| 79 | (let ((len (length arg))) |
| 80 | (multiple-value-bind (n i) (parse-integer arg :junk-allowed t) |
| 81 | (unless n |
| 82 | (option-parse-error "invalid duration `~A': ~ |
| 83 | integer expected" arg)) |
| 84 | (loop (cond ((or (>= i len) |
| 85 | (not (whitespace-char-p (char arg i)))) |
| 86 | (return)) |
| 87 | (t |
| 88 | (incf i)))) |
| 89 | (let ((u0 i)) |
| 90 | (loop (cond ((or (>= i len) |
| 91 | (whitespace-char-p (char arg i))) |
| 92 | (return)) |
| 93 | (t |
| 94 | (incf i)))) |
| 95 | (let* ((u1 i) |
| 96 | (unit (subseq arg u0 u1)) |
| 97 | (scale (gethash unit duration-units))) |
| 98 | (unless scale |
| 99 | (option-parse-error "invalid duration `~A': ~ |
| 100 | unknown unit `~A'" |
| 101 | arg unit)) |
| 102 | (setf var (* n scale))))))))) |
| 103 | |
| 104 | (define-program |
| 105 | :version "1.0.0" :usage "ZONEDEF..." |
| 106 | :help "Generates BIND zone files from Lisp descriptions." |
| 107 | :options (options help-options |
| 108 | "Parsing options" |
| 109 | (#\f "feature" (:arg "KEYWORD") |
| 110 | (list *features* 'keyword) |
| 111 | "Insert KEYWORD in *features* list.") |
| 112 | (#\s "subnet" (:arg "NET") |
| 113 | (list zone:*preferred-subnets*) |
| 114 | "Designate NET as a preferred subnet.") |
| 115 | (#\D "debug" (set opt-debug) |
| 116 | "Produce stack backtrace on error.") |
| 117 | "Timeout options" |
| 118 | (#\E "expire" (:arg "DURATION") |
| 119 | (dur *default-zone-expire*) |
| 120 | "Set default zone expiry period.") |
| 121 | (#\N "min-ttl" (:arg "DURATION") |
| 122 | (dur *default-zone-min-ttl*) |
| 123 | "Set default zone minimum/negative time-to-live.") |
| 124 | (#\R "refresh" (:arg "DURATION") |
| 125 | (dur *default-zone-refresh*) |
| 126 | "Set default zone refresh period.") |
| 127 | (#\T "ttl" (:arg "DURATION") |
| 128 | (dur *default-zone-ttl*) |
| 129 | "Set default zone time-to-live.") |
| 130 | (#\Y "retry" (:arg "DURATION") |
| 131 | (dur *default-zone-retry*) |
| 132 | "Set default zone retry period.") |
| 133 | "Output options" |
| 134 | (#\d "directory" (:arg "DIRECTORY") |
| 135 | (dir *zone-output-path*) |
| 136 | "Write zone and serial files to DIRECTORY.") |
| 137 | (#\F "format" (:arg "FORMAT") |
| 138 | (keyword opt-format |
| 139 | (delete-duplicates |
| 140 | (loop for method in |
| 141 | (append |
| 142 | (generic-function-methods |
| 143 | #'zone:zone-write) |
| 144 | (generic-function-methods |
| 145 | #'zone:zone-write-header)) |
| 146 | for specs = |
| 147 | (method-specializers method) |
| 148 | if (typep (car specs) |
| 149 | 'eql-specializer) |
| 150 | collect |
| 151 | (eql-specializer-object |
| 152 | (car specs))))) |
| 153 | "Format to use for output.") |
| 154 | (#\z "zone" (:arg "NAME") (list opt-zones) |
| 155 | "Write information about zone NAME."))) |
| 156 | |
| 157 | (defun main () |
| 158 | (set-command-line-arguments) |
| 159 | (let ((files nil)) |
| 160 | (flet ((run () |
| 161 | (dolist (f files) |
| 162 | (let ((*package* (make-package "ZONE.SCRATCH" |
| 163 | :use '(#:common-lisp |
| 164 | #:net #:zone)))) |
| 165 | (progv *zone-config* (mapcar #'symbol-value *zone-config*) |
| 166 | (load f :verbose nil :print nil :if-does-not-exist :error) |
| 167 | (delete-package *package*)))) |
| 168 | (zone-save opt-zones :format opt-format) |
| 169 | t)) |
| 170 | (with-unix-error-reporting () |
| 171 | (unless (option-parse-try |
| 172 | (do-options () |
| 173 | (nil (rest) |
| 174 | (when (zerop (length rest)) |
| 175 | (option-parse-error "no files to read")) |
| 176 | (setf files rest)))) |
| 177 | (die-usage))) |
| 178 | (if opt-debug |
| 179 | (run) |
| 180 | (with-unix-error-reporting () (run))) |
| 181 | t))) |
| 182 | |
| 183 | ;;;----- That's all, folks -------------------------------------------------- |