X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=plugins%2Fmod_tls.lua;h=cace2d693efb530b26eadb633342aa101d55533c;hb=refs%2Fheads%2Fnohangouts-0.8.2;hp=3e3bd5545cf8a3a4727e4d934c82c90a10912d94;hpb=67531a4a9d17647e5365bfec563342345c515969;p=prosody.git diff --git a/plugins/mod_tls.lua b/plugins/mod_tls.lua index 3e3bd554..cace2d69 100644 --- a/plugins/mod_tls.lua +++ b/plugins/mod_tls.lua @@ -1,15 +1,18 @@ -- Prosody IM --- Copyright (C) 2008-2009 Matthew Wild --- Copyright (C) 2008-2009 Waqas Hussain +-- Copyright (C) 2008-2010 Matthew Wild +-- Copyright (C) 2008-2010 Waqas Hussain -- -- This project is MIT/X11 licensed. Please see the -- COPYING file in the source package for more information. -- +local config = require "core.configmanager"; +local create_context = require "core.certmanager".create_context; local st = require "util.stanza"; local secure_auth_only = module:get_option("c2s_require_encryption") or module:get_option("require_encryption"); local secure_s2s_only = module:get_option("s2s_require_encryption"); +local allow_s2s_tls = module:get_option("s2s_allow_encryption") ~= false; local xmlns_starttls = 'urn:ietf:params:xml:ns:xmpp-tls'; local starttls_attr = { xmlns = xmlns_starttls }; @@ -24,16 +27,27 @@ local global_ssl_ctx = prosody.global_ssl_ctx; local host = hosts[module.host]; +local function can_do_tls(session) + if session.type == "c2s_unauthed" then + return session.conn.starttls and host.ssl_ctx_in; + elseif session.type == "s2sin_unauthed" and allow_s2s_tls then + return session.conn.starttls and host.ssl_ctx_in; + elseif session.direction == "outgoing" and allow_s2s_tls then + return session.conn.starttls and host.ssl_ctx; + end + return false; +end + -- Hook module:hook("stanza/urn:ietf:params:xml:ns:xmpp-tls:starttls", function(event) local origin = event.origin; - if origin.conn.starttls then + if can_do_tls(origin) then (origin.sends2s or origin.send)(starttls_proceed); origin:reset_stream(); local host = origin.to_host or origin.host; local ssl_ctx = host and hosts[host].ssl_ctx_in or global_ssl_ctx; origin.conn:starttls(ssl_ctx); - origin.log("info", "TLS negotiation started for %s...", origin.type); + origin.log("debug", "TLS negotiation started for %s...", origin.type); origin.secure = false; else origin.log("warn", "Attempt to start TLS, but TLS is not available on this %s connection", origin.type); @@ -46,13 +60,13 @@ end); -- Advertize stream feature module:hook("stream-features", function(event) local origin, features = event.origin, event.features; - if not origin.username and origin.conn.starttls and host.ssl_ctx_in then + if can_do_tls(origin) then features:add_child(c2s_feature); end end); module:hook("s2s-stream-features", function(event) local origin, features = event.origin, event.features; - if origin.to_host and origin.type ~= "s2sin" and origin.conn.starttls and host.ssl_ctx_in then + if can_do_tls(origin) then features:add_child(s2s_feature); end end); @@ -60,17 +74,33 @@ end); -- For s2sout connections, start TLS if we can module:hook_stanza("http://etherx.jabber.org/streams", "features", function (session, stanza) module:log("debug", "Received features element"); - if session.conn.starttls and stanza:child_with_ns(xmlns_starttls) then + if can_do_tls(session) and stanza:child_with_ns(xmlns_starttls) then module:log("%s is offering TLS, taking up the offer...", session.to_host); session.sends2s(""); return true; end end, 500); + module:hook_stanza(xmlns_starttls, "proceed", function (session, stanza) module:log("debug", "Proceeding with TLS on s2sout..."); session:reset_stream(); local ssl_ctx = session.from_host and hosts[session.from_host].ssl_ctx or global_ssl_ctx; - session.conn:starttls(ssl_ctx, true); + session.conn:starttls(ssl_ctx); session.secure = false; return true; end); + +function module.load() + local ssl_config = config.rawget(module.host, "core", "ssl"); + if not ssl_config then + local base_host = module.host:match("%.(.*)"); + ssl_config = config.get(base_host, "core", "ssl"); + end + host.ssl_ctx = create_context(host.host, "client", ssl_config); -- for outgoing connections + host.ssl_ctx_in = create_context(host.host, "server", ssl_config); -- for incoming connections +end + +function module.unload() + host.ssl_ctx = nil; + host.ssl_ctx_in = nil; +end