From: Matthew Wild <mwild1@gmail.com>
Date: Mon, 16 Dec 2013 02:03:35 +0000 (+0000)
Subject: util.jid: Strip trailing '.' when normalizing hostnames
X-Git-Url: https://git.enpas.org/?a=commitdiff_plain;h=6a530b77c5ddb807e7bb1f60ec54f9d36f74313e;p=prosody.git

util.jid: Strip trailing '.' when normalizing hostnames
---

diff --git a/util/jid.lua b/util/jid.lua
index 4c4371d8..8e0a784c 100644
--- a/util/jid.lua
+++ b/util/jid.lua
@@ -8,7 +8,7 @@
 
 
 
-local match = string.match;
+local match, sub = string.match, string.sub;
 local nodeprep = require "util.encodings".stringprep.nodeprep;
 local nameprep = require "util.encodings".stringprep.nameprep;
 local resourceprep = require "util.encodings".stringprep.resourceprep;
@@ -47,6 +47,9 @@ end
 local function _prepped_split(jid)
 	local node, host, resource = _split(jid);
 	if host then
+		if sub(host, -1, -1) == "." then -- Strip empty root label
+			host = sub(host, 1, -2);
+		end
 		host = nameprep(host);
 		if not host then return; end
 		if node then