;;; -*-lisp-*-
;;;
-;;; $Id$
-;;;
;;; DNS zone generation
;;;
;;; (c) 2005 Straylight/Edgeware
;;; Packaging.
(defpackage #:zone
- (:use #:common-lisp #:mdw.base #:mdw.str #:collect #:safely #:net)
+ (:use #:common-lisp
+ #:mdw.base #:mdw.str #:collect #:safely
+ #:net #:net-sys #:services)
(:export #:soa #:mx #:zone #:zone-record #:zone-subdomain
#:*default-zone-source* #:*default-zone-refresh*
#:*default-zone-retry* #:*default-zone-expire*
;;;--------------------------------------------------------------------------
;;; Zone defaults. It is intended that scripts override these.
-#+ecl
-(cffi:defcfun gethostname :int
- (name :pointer)
- (len :uint))
-
(defvar *default-zone-source*
- (let ((hn #+cmu (unix:unix-gethostname)
- #+clisp (unix:get-host-name)
- #+ecl (cffi:with-foreign-pointer-as-string (buffer 256 len)
- (let ((rc (gethostname buffer len)))
- (unless (zerop rc)
- (error "gethostname(2) failed (rc = ~A)." rc))))))
+ (let ((hn (gethostname)))
(and hn (concatenate 'string (canonify-hostname hn) ".")))
"The default zone source: the current host's name.")
until (zerop (logand mask (ash #xff (* 8 i))))
collect (logand #xff (ash net (* -8 i))))))))
-(defun zone-cidr-delegation (data name ttl list)
- "Given :cidr-delegation info DATA, for a record called NAME and the current
- TTL, write lots of CNAME records to LIST."
- (destructuring-bind
- (net &key bytes)
- (listify (car data))
- (setf net (zone-parse-net net name))
- (unless bytes
- (setf bytes (ipnet-changeable-bytes (ipnet-mask net))))
- (dolist (map (cdr data))
- (destructuring-bind
- (tnet &optional tdom)
- (listify map)
- (setf tnet (zone-parse-net tnet name))
- (unless (ipnet-subnetp net tnet)
- (error "~A is not a subnet of ~A."
- (ipnet-pretty tnet)
- (ipnet-pretty net)))
- (unless tdom
- (setf tdom
- (join-strings #\.
- (list (zone-cidr-delg-default-name tnet bytes)
- name))))
- (setf tdom (string-downcase tdom))
- (dotimes (i (ipnet-hosts tnet))
- (let* ((addr (ipnet-host tnet i))
- (tail (join-strings #\.
- (loop
- for i from 0 below bytes
- collect
- (logand #xff
- (ash addr (* 8 i)))))))
- (collect (make-zone-record
- :name (join-strings #\.
- (list tail name))
- :type :cname
- :ttl ttl
- :data (join-strings #\. (list tail tdom)))
- list)))))))
-
;;;--------------------------------------------------------------------------
;;; Serial numbering.
((:data ,tdata) ,data)
((:ttl ,tttl) ,ttl)
((:make-ptr-p ,tmakeptrp) nil))
+ #+cmu (declare (optimize ext:inhibit-warnings))
(collect (make-zone-record :name ,tname
:type ,ttype
:data ,tdata
:type :cname
:data name)))
+(defzoneparse :srv (name data rec :zname zname)
+ ":srv (((SERVICE &key :port) (PROVIDER &key :port :prio :weight :ip)*)*)"
+ (dolist (srv data)
+ (destructuring-bind (servopts &rest providers) srv
+ (destructuring-bind
+ (service &key ((:port default-port)) (protocol :tcp))
+ (listify servopts)
+ (unless default-port
+ (let ((serv (serv-by-name service protocol)))
+ (setf default-port (and serv (serv-port serv)))))
+ (let ((rname (format nil "~(_~A._~A~).~A" service protocol name)))
+ (dolist (prov providers)
+ (destructuring-bind
+ (srvname
+ &key
+ (port default-port)
+ (prio *default-mx-priority*)
+ (weight 0)
+ ip)
+ (listify prov)
+ (let ((host (zone-parse-host srvname zname)))
+ (when ip (rec :name host :type :a :data (parse-ipaddr ip)))
+ (rec :name rname
+ :data (list prio weight port host))))))))))
+
(defzoneparse :net (name data rec)
":net (NETWORK*)"
(dolist (net (listify data))
(defzoneparse (:rev :reverse) (name data rec)
":reverse ((NET :bytes BYTES) ZONE*)"
(setf data (listify data))
- (destructuring-bind
- (net &key bytes)
- (listify (car data))
+ (destructuring-bind (net &key bytes) (listify (car data))
(setf net (zone-parse-net net name))
(unless bytes
(setf bytes (ipnet-changeable-bytes (ipnet-mask net))))
:ttl (zr-ttl zr) :data (zr-name zr))
(setf (gethash name seen) t)))))))))
-(defzoneparse (:cidr-delegation :cidr) (name data rec)
+(defzoneparse (:cidr-delegation :cidr) (name data rec :zname zname)
":cidr-delegation ((NET :bytes BYTES) (TARGET-NET [TARGET-ZONE])*)"
- (destructuring-bind
- (net &key bytes)
- (listify (car data))
+ (setf data (listify data))
+ (destructuring-bind (net &key bytes) (listify (car data))
(setf net (zone-parse-net net name))
(unless bytes
(setf bytes (ipnet-changeable-bytes (ipnet-mask net))))
- (dolist (map (cdr data))
- (destructuring-bind
- (tnet &optional tdom)
- (listify map)
+ (dolist (map (or (cdr data) (list (list net))))
+ (destructuring-bind (tnet &optional tdom) (listify map)
(setf tnet (zone-parse-net tnet name))
(unless (ipnet-subnetp net tnet)
(error "~A is not a subnet of ~A."
(join-strings
#\.
(append (reverse (loop
- for i from (1- bytes) downto 0
- until (zerop (logand mask
- (ash #xff
- (* 8 i))))
- collect (logand #xff
- (ash net (* -8 i)))))
+ for i from (1- bytes) downto 0
+ until (zerop (logand mask
+ (ash #xff
+ (* 8 i))))
+ collect (ldb (byte 8 (* i 8)) net)))
(list name))))))
- (setf tdom (string-downcase tdom))
+ (setf tdom (string-downcase (stringify tdom)))
(dotimes (i (ipnet-hosts tnet))
- (let* ((addr (ipnet-host tnet i))
- (tail (join-strings #\.
- (loop
+ (unless (zerop i)
+ (let* ((addr (ipnet-host tnet i))
+ (tail (join-strings #\.
+ (loop
for i from 0 below bytes
collect
- (logand #xff
- (ash addr (* 8 i)))))))
- (rec :name (format nil "~A.~A" tail name)
- :type :cname
- :data (format nil "~A.~A" tail tdom))))))))
+ (logand #xff
+ (ash addr (* 8 i)))))))
+ (rec :name (format nil "~A.~A" tail name)
+ :type :cname
+ :data (format nil "~A.~A" tail tdom)))))))))
;;;--------------------------------------------------------------------------
;;; Zone file output.
(:method ((type (eql :ns)) data) (list "~A" (bind-hostname data)))
(:method ((type (eql :mx)) data)
(list "~2D ~A" (cdr data) (bind-hostname (car data))))
+ (:method ((type (eql :srv)) data)
+ (destructuring-bind (prio weight port host) data
+ (list "~2D ~5D ~5D ~A" prio weight port (bind-hostname host))))
(:method ((type (eql :txt)) data) (list "~S" (stringify data))))
;;;----- That's all, folks --------------------------------------------------