From 24bfbf5ce26959ffcd466ce43c69a07adaa4c81b Mon Sep 17 00:00:00 2001 From: Florian Zeitz Date: Fri, 24 Feb 2012 15:20:03 +0000 Subject: mod_dialback: import util.hashes and functionality once in s2smanager. --- plugins/mod_dialback.lua | 30 +++++++++++++++++++++++------- 1 file changed, 23 insertions(+), 7 deletions(-) (limited to 'plugins/mod_dialback.lua') diff --git a/plugins/mod_dialback.lua b/plugins/mod_dialback.lua index e27f8657..977e58c3 100644 --- a/plugins/mod_dialback.lua +++ b/plugins/mod_dialback.lua @@ -6,22 +6,37 @@ -- COPYING file in the source package for more information. -- +local format = string.format; local hosts = _G.hosts; local send_s2s = require "core.s2smanager".send_to_host; local s2s_make_authenticated = require "core.s2smanager".make_authenticated; -local s2s_initiate_dialback = require "core.s2smanager".initiate_dialback; -local s2s_verify_dialback = require "core.s2smanager".verify_dialback; local log = module._log; local st = require "util.stanza"; +local sha256_hash = require "util.hashes".sha256; local xmlns_stream = "http://etherx.jabber.org/streams"; local xmlns_dialback = "jabber:server:dialback"; local dialback_requests = setmetatable({}, { __mode = 'v' }); +function generate_dialback(id, to, from) + return sha256_hash(id..to..from..hosts[from].dialback_secret, true); +end + +function initiate_dialback(session) + -- generate dialback key + session.dialback_key = generate_dialback(session.streamid, session.to_host, session.from_host); + session.sends2s(format("%s", session.from_host, session.to_host, session.dialback_key)); + session.log("info", "sent dialback key on outgoing s2s stream"); +end + +function verify_dialback(id, to, from, key) + return key == generate_dialback(id, to, from); +end + module:hook("stanza/jabber:server:dialback:verify", function(event) local origin, stanza = event.origin, event.stanza; @@ -32,7 +47,7 @@ module:hook("stanza/jabber:server:dialback:verify", function(event) -- COMPAT: Grr, ejabberd breaks this one too?? it is black and white in XEP-220 example 34 --if attr.from ~= origin.to_host then error("invalid-from"); end local type; - if s2s_verify_dialback(attr.id, attr.from, attr.to, stanza[1]) then + if verify_dialback(attr.id, attr.from, attr.to, stanza[1]) then type = "valid" else type = "invalid" @@ -72,8 +87,8 @@ module:hook("stanza/jabber:server:dialback:result", function(event) end origin.log("debug", "asking %s if key %s belongs to them", attr.from, stanza[1]); - send_s2s(attr.to, attr.from, - st.stanza("db:verify", { from = attr.to, to = attr.from, id = origin.streamid }):text(stanza[1])); + --send_s2s(attr.to, attr.from, + origin.send(st.stanza("db:verify", { from = attr.to, to = attr.from, id = origin.streamid }):text(stanza[1])); return true; end end); @@ -84,6 +99,7 @@ module:hook("stanza/jabber:server:dialback:verify", function(event) if origin.type == "s2sout_unauthed" or origin.type == "s2sout" then local attr = stanza.attr; local dialback_verifying = dialback_requests[attr.from.."/"..(attr.id or "")]; + module:log("debug", tostring(dialback_verifying).." "..attr.from.." "..origin.to_host); if dialback_verifying and attr.from == origin.to_host then local valid; if attr.type == "valid" then @@ -134,14 +150,14 @@ end); module:hook_stanza("urn:ietf:params:xml:ns:xmpp-sasl", "failure", function (origin, stanza) if origin.external_auth == "failed" then module:log("debug", "SASL EXTERNAL failed, falling back to dialback"); - s2s_initiate_dialback(origin); + initiate_dialback(origin); return true; end end, 100); module:hook_stanza(xmlns_stream, "features", function (origin, stanza) if not origin.external_auth or origin.external_auth == "failed" then - s2s_initiate_dialback(origin); + initiate_dialback(origin); return true; end end, 100); -- cgit v1.2.3 From 11993525c0a7cae7fe52aba0bafdfca912973499 Mon Sep 17 00:00:00 2001 From: Kim Alvefur Date: Sat, 3 Mar 2012 00:01:10 +0100 Subject: mod_dialback: Remove unused import of s2smanager.send_to_host() --- plugins/mod_dialback.lua | 2 -- 1 file changed, 2 deletions(-) (limited to 'plugins/mod_dialback.lua') diff --git a/plugins/mod_dialback.lua b/plugins/mod_dialback.lua index 977e58c3..eccfd3d6 100644 --- a/plugins/mod_dialback.lua +++ b/plugins/mod_dialback.lua @@ -9,7 +9,6 @@ local format = string.format; local hosts = _G.hosts; -local send_s2s = require "core.s2smanager".send_to_host; local s2s_make_authenticated = require "core.s2smanager".make_authenticated; local log = module._log; @@ -87,7 +86,6 @@ module:hook("stanza/jabber:server:dialback:result", function(event) end origin.log("debug", "asking %s if key %s belongs to them", attr.from, stanza[1]); - --send_s2s(attr.to, attr.from, origin.send(st.stanza("db:verify", { from = attr.to, to = attr.from, id = origin.streamid }):text(stanza[1])); return true; end -- cgit v1.2.3 From 9af8ea363badf58a8d59e475035a4def10dd42c9 Mon Sep 17 00:00:00 2001 From: Kim Alvefur Date: Sat, 3 Mar 2012 01:35:39 +0100 Subject: mod_s2s, mod_dialback: Event on pre-XMPP streams, so we can try dialback. --- plugins/mod_dialback.lua | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'plugins/mod_dialback.lua') diff --git a/plugins/mod_dialback.lua b/plugins/mod_dialback.lua index eccfd3d6..5cb59fef 100644 --- a/plugins/mod_dialback.lua +++ b/plugins/mod_dialback.lua @@ -160,6 +160,11 @@ module:hook_stanza(xmlns_stream, "features", function (origin, stanza) end end, 100); +module:hook("s2s-no-stream-features", function (event) + initiate_dialback(event.origin); + return true; +end, 100); + -- Offer dialback to incoming hosts module:hook("s2s-stream-features", function (data) data.features:tag("dialback", { xmlns='urn:xmpp:features:dialback' }):up(); -- cgit v1.2.3 From d0424f6f4e316f435f8e4db6f4906964c7d8f31f Mon Sep 17 00:00:00 2001 From: Kim Alvefur Date: Sat, 3 Mar 2012 13:28:33 +0100 Subject: mod_s2s, mod_dialback: Rename event to s2s-authenticate-legacy --- plugins/mod_dialback.lua | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'plugins/mod_dialback.lua') diff --git a/plugins/mod_dialback.lua b/plugins/mod_dialback.lua index 5cb59fef..2c2dc795 100644 --- a/plugins/mod_dialback.lua +++ b/plugins/mod_dialback.lua @@ -160,7 +160,7 @@ module:hook_stanza(xmlns_stream, "features", function (origin, stanza) end end, 100); -module:hook("s2s-no-stream-features", function (event) +module:hook("s2s-authenticate-legacy", function (event) initiate_dialback(event.origin); return true; end, 100); -- cgit v1.2.3 From 58900081f68e8db61675febc4f9c4078e44d384a Mon Sep 17 00:00:00 2001 From: Kim Alvefur Date: Sat, 3 Mar 2012 16:45:34 +0100 Subject: mod_dialback, mod_s2s: Log initiation of dialback in mod_dialback --- plugins/mod_dialback.lua | 2 ++ 1 file changed, 2 insertions(+) (limited to 'plugins/mod_dialback.lua') diff --git a/plugins/mod_dialback.lua b/plugins/mod_dialback.lua index 2c2dc795..e578c412 100644 --- a/plugins/mod_dialback.lua +++ b/plugins/mod_dialback.lua @@ -155,12 +155,14 @@ end, 100); module:hook_stanza(xmlns_stream, "features", function (origin, stanza) if not origin.external_auth or origin.external_auth == "failed" then + module:log("debug", "Initiating dialback..."); initiate_dialback(origin); return true; end end, 100); module:hook("s2s-authenticate-legacy", function (event) + module:log("debug", "Initiating dialback..."); initiate_dialback(event.origin); return true; end, 100); -- cgit v1.2.3