zone.lisp: Reverse delegation for multiple subnets into the same target.

[zone] / zone.lisp

diff --git a/zone.lisp b/zone.lisp
index 7318c2a..05af14f 100644 (file)
--- a/zone.lisp
+++ b/zone.lisp
@@ -708,37 +708,38 @@
     (unless bytes
       (setf bytes (ipnet-changeable-bytes (ipnet-mask net))))
     (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."
-                (ipnet-pretty tnet)
-                (ipnet-pretty net)))
-       (unless tdom
-         (with-ipnet (net mask) tnet
-           (setf tdom
-                 (join-strings
-                  #\.
-                  (append (reverse (loop
-                                    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 (stringify tdom)))
-       (dotimes (i (ipnet-hosts tnet))
-         (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)))))))))
+      (destructuring-bind (tnets &optional tdom) (listify map)
+       (dolist (tnet (listify tnets))
+         (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
+           (with-ipnet (net mask) tnet
+             (setf tdom
+                   (join-strings
+                    #\.
+                    (append (reverse (loop
+                                      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 (stringify tdom)))
+         (dotimes (i (ipnet-hosts tnet))
+           (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))))))))))
 
 ;;;--------------------------------------------------------------------------
 ;;; Zone file output.