diff options
Diffstat (limited to 'plugins/mod_tls.lua')
| -rw-r--r-- | plugins/mod_tls.lua | 60 |
1 files changed, 54 insertions, 6 deletions
diff --git a/plugins/mod_tls.lua b/plugins/mod_tls.lua index 8926edfc..e854d676 100644 --- a/plugins/mod_tls.lua +++ b/plugins/mod_tls.lua @@ -6,14 +6,13 @@ -- COPYING file in the source package for more information. -- - - local st = require "util.stanza"; -local xmlns_starttls ='urn:ietf:params:xml:ns:xmpp-tls'; +local xmlns_stream = 'http://etherx.jabber.org/streams'; +local xmlns_starttls = 'urn:ietf:params:xml:ns:xmpp-tls'; -local config = require "core.configmanager"; -local secure_auth_only = config.get("*", "core", "require_encryption"); +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"); module:add_handler("c2s_unauthed", "starttls", xmlns_starttls, function (session, stanza) @@ -29,9 +28,24 @@ module:add_handler("c2s_unauthed", "starttls", xmlns_starttls, end end); +module:add_handler("s2sin_unauthed", "starttls", xmlns_starttls, + function (session, stanza) + if session.conn.starttls then + session.sends2s(st.stanza("proceed", { xmlns = xmlns_starttls })); + session:reset_stream(); + session.conn.starttls(); + session.log("info", "TLS negotiation started for incoming s2s..."); + session.secure = false; + else + -- FIXME: What reply? + session.log("warn", "Attempt to start TLS, but TLS is not available on this s2s connection"); + end + end); + + local starttls_attr = { xmlns = xmlns_starttls }; module:add_event_hook("stream-features", - function (session, features) + function (session, features) if session.conn.starttls then features:tag("starttls", starttls_attr); if secure_auth_only then @@ -41,3 +55,37 @@ module:add_event_hook("stream-features", end end end); + +module:add_event_hook("s2s-stream-features", + function (session, features) + -- This hook is possibly called once per host (at least if the + -- remote server does not specify a to/from. + if session.to_host and session.conn.starttls and not features:child_with_ns(xmlns_starttls) then + features:tag("starttls", starttls_attr):up(); + if secure_s2s_only then + features:tag("required"):up():up(); + else + features:up(); + end + end + end); + +-- For s2sout connections, start TLS if we can +module:hook_stanza(xmlns_stream, "features", + function (session, stanza) + module:log("debug", "Received features element"); + if stanza:child_with_ns(xmlns_starttls) then + module:log("%s is offering TLS, taking up the offer...", session.to_host); + session.sends2s("<starttls xmlns='"..xmlns_starttls.."'/>"); + return true; + end + end, 500); + +module:hook_stanza(xmlns_starttls, "proceed", + function (session, stanza) + module:log("debug", "Proceeding with TLS on s2sout..."); + local format, to_host, from_host = string.format, session.to_host, session.from_host; + session:reset_stream(); + session.conn.starttls(true); + return true; + end); |