Merged revisions 87317 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r87317 | antoine.pitrou | 2010-12-16 17:48:36 +0100 (jeu., 16 déc. 2010) | 4 lines

  Issue #10714: Limit length of incoming request in http.server to 65536 bytes
  for security reasons.  Initial patch by Ross Lagerwall.
........

(also backport some tests)
diff --git a/Lib/http/server.py b/Lib/http/server.py
index c5b00d6..5ac6c0d 100644
--- a/Lib/http/server.py
+++ b/Lib/http/server.py
@@ -333,7 +333,13 @@
         commands such as GET and POST.
 
         """
-        self.raw_requestline = self.rfile.readline()
+        self.raw_requestline = self.rfile.readline(65537)
+        if len(self.raw_requestline) > 65536:
+            self.requestline = ''
+            self.request_version = ''
+            self.command = ''
+            self.send_error(414)
+            return
         if not self.raw_requestline:
             self.close_connection = 1
             return