CVS: cvs.openbsd.org: src

[Jun-ichiro itojun Hagino <itojun_(_at_)_cvs_(_dot_)_openbsd_(_dot_)_org>]

CVSROOT:	/cvs
Module name:	src
Changes by:	itojun_(_at_)_cvs_(_dot_)_openbsd_(_dot_)_org	2003/05/26 20:19:44

Modified files:
	lib/libwrap    : socket.c 

Log message:
if reverse lookup result looks like a numeric hostname,
someone is trying to trick us by PTR record like following:
1.1.1.10.in-addr.arpa.  IN PTR  2.3.4.5
so protect against this kind of attacks.  deraadt ok