From f4e09200420e410c608ef9b841a0669b5c0d88a9 Mon Sep 17 00:00:00 2001
From: Matthew Wild <mwild1@gmail.com>
Date: Tue, 18 Nov 2008 14:42:45 +0000
Subject: s2s sessions can now be disconnected, with or without a stream error.
 Fixes #8

---
 net/xmppclient_listener.lua |  3 ---
 net/xmppserver_listener.lua | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 34 insertions(+), 3 deletions(-)

(limited to 'net')

diff --git a/net/xmppclient_listener.lua b/net/xmppclient_listener.lua
index 1f6691da..85430308 100644
--- a/net/xmppclient_listener.lua
+++ b/net/xmppclient_listener.lua
@@ -98,9 +98,6 @@ function xmppclient.listener(conn, data)
 		-- Debug version --
 		local function handleerr(err) print("Traceback:", err, debug.traceback()); end
 		session.stanza_dispatch = function (stanza) return select(2, xpcall(function () return core_process_stanza(session, stanza); end, handleerr));  end
-
---		session.stanza_dispatch = function (stanza) return core_process_stanza(session, stanza); end
-
 	end
 	if data then
 		session.data(conn, data);
diff --git a/net/xmppserver_listener.lua b/net/xmppserver_listener.lua
index ee3faa8f..21351c12 100644
--- a/net/xmppserver_listener.lua
+++ b/net/xmppserver_listener.lua
@@ -35,6 +35,39 @@ local function session_reset_stream(session)
 		return true;
 end
 
+
+local stream_xmlns_attr = {xmlns='urn:ietf:params:xml:ns:xmpp-streams'};
+local function session_disconnect(session, reason)
+	local log = session.log or log;
+	if session.conn then
+		if reason then
+			if type(reason) == "string" then -- assume stream error
+				log("info", "Disconnecting %s[%s], <stream:error> is: %s", session.host or "(unknown host)", session.type, reason);
+				session.send(st.stanza("stream:error"):tag(reason, {xmlns = 'urn:ietf:params:xml:ns:xmpp-streams' }));
+			elseif type(reason) == "table" then
+				if reason.condition then
+					local stanza = st.stanza("stream:error"):tag(reason.condition, stream_xmlns_attr):up();
+					if reason.text then
+						stanza:tag("text", stream_xmlns_attr):text(reason.text):up();
+					end
+					if reason.extra then
+						stanza:add_child(reason.extra);
+					end
+					log("info", "Disconnecting %s[%s], <stream:error> is: %s", session.host or "(unknown host)", session.type, tostring(stanza));
+					session.send(stanza);
+				elseif reason.name then -- a stanza
+					log("info", "Disconnecting %s[%s], <stream:error> is: %s", session.host or "(unknown host)", session.type, tostring(reason));
+					session.send(reason);
+				end
+			end
+		end
+		session.send("</stream:stream>");
+		session.conn.close();
+		xmppserver.disconnect(session.conn, "stream error");
+	end
+end
+
+
 -- End of session methods --
 
 function xmppserver.listener(conn, data)
@@ -56,6 +89,7 @@ function xmppserver.listener(conn, data)
 		print("Incoming s2s connection");
 		
 		session.reset_stream = session_reset_stream;
+		session.disconnect = session_disconnect;
 		
 		session_reset_stream(session); -- Initialise, ready for use
 		
-- 
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