X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=contrib%2Fsb-bsd-sockets%2Finet.lisp;h=869b80f93c83877c11421d9e5ea3f13777c63afd;hb=4fd24714c780827eec742db55297940ed7160ea7;hp=4cc06848df78cbfb0c45c392aba738f432b500bd;hpb=4898ef32c639b1c7f4ee13a5ba566ce6debd03e6;p=sbcl.git

diff --git a/contrib/sb-bsd-sockets/inet.lisp b/contrib/sb-bsd-sockets/inet.lisp
index 4cc0684..869b80f 100644
--- a/contrib/sb-bsd-sockets/inet.lisp
+++ b/contrib/sb-bsd-sockets/inet.lisp
@@ -17,15 +17,52 @@ Examples:
 ;;; XXX should we *...* this?
 (defparameter inet-address-any (vector 0 0 0 0))
 
+(defmethod socket-namestring ((socket inet-socket))
+  (ignore-errors
+    (multiple-value-bind (addr port) (socket-name socket)
+      (format nil "~{~A~^.~}:~A" (coerce addr 'list) port))))
+
+(defmethod socket-peerstring ((socket inet-socket))
+  (ignore-errors
+    (multiple-value-bind (addr port) (socket-peername socket)
+      (format nil "~{~A~^.~}:~A" (coerce addr 'list) port))))
+
 ;;; binding a socket to an address and port.  Doubt that anyone's
 ;;; actually using this much, to be honest.
 
 (defun make-inet-address (dotted-quads)
   "Return a vector of octets given a string DOTTED-QUADS in the format
-\"127.0.0.1\""
-  (map 'vector
-       #'parse-integer
-       (split dotted-quads nil '(#\.))))
+\"127.0.0.1\". Signals an error if the string is malformed."
+  (declare (type string dotted-quads))
+  (labels ((oops ()
+             (error "~S is not a string designating an IP address."
+                    dotted-quads))
+           (check (x)
+             (if (typep x '(unsigned-byte 8))
+                 x
+                 (oops))))
+    (let* ((s1 (position #\. dotted-quads))
+           (s2 (if s1 (position #\. dotted-quads :start (1+ s1)) (oops)))
+           (s3 (if s2 (position #\. dotted-quads :start (1+ s2)) (oops)))
+           (u0 (parse-integer dotted-quads :end s1))
+           (u1 (parse-integer dotted-quads :start (1+ s1) :end s2))
+           (u2 (parse-integer dotted-quads :start (1+ s2) :end s3)))
+      (multiple-value-bind (u3 end) (parse-integer dotted-quads :start (1+ s3) :junk-allowed t)
+        (unless (= end (length dotted-quads))
+          (oops))
+        (let ((vector (make-array 4 :element-type '(unsigned-byte 8))))
+          (setf (aref vector 0) (check u0)
+                (aref vector 1) (check u1)
+                (aref vector 2) (check u2)
+                (aref vector 3) (check u3))
+          vector)))))
+
+(define-condition unknown-protocol ()
+  ((name :initarg :name
+         :reader unknown-protocol-name))
+  (:report (lambda (c s)
+             (format s "Protocol not found: ~a" (prin1-to-string
+                                                 (unknown-protocol-name c))))))
 
 ;;; getprotobyname only works in the internet domain, which is why this
 ;;; is here
@@ -35,6 +72,8 @@ using getprotobyname(2) which typically looks in NIS or /etc/protocols"
   ;; for extra brownie points, could return canonical protocol name
   ;; and aliases as extra values
   (let ((ent (sockint::getprotobyname name)))
+    (if (sb-alien::null-alien ent)
+        (error 'unknown-protocol :name name))
     (sockint::protoent-proto ent)))
 
 ;;; our protocol provides make-sockaddr-for, size-of-sockaddr,