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prosody
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plugins/mod_tls.lua @ 5685:f965ac6b7ce1
mod_tls: Refactor to allow separate SSL configuration for c2s and s2s connections
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Thu, 13 Jun 2013 17:47:45 +0200 |
parent | 5378:ec3accda44d3 |
child | 5698:4a244d10a3ca |
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--- a/plugins/mod_tls.lua Thu Jun 13 17:44:42 2013 +0200 +++ b/plugins/mod_tls.lua Thu Jun 13 17:47:45 2013 +0200 @@ -23,20 +23,48 @@ if secure_auth_only then c2s_feature:tag("required"):up(); end if secure_s2s_only then s2s_feature:tag("required"):up(); end -local global_ssl_ctx = prosody.global_ssl_ctx; - local hosts = prosody.hosts; local host = hosts[module.host]; +local ssl_ctx_c2s, ssl_ctx_s2sout, ssl_ctx_s2sin; +do + local function get_ssl_cfg(typ) + local cfg_key = (typ and typ.."_" or "").."ssl"; + local ssl_config = config.rawget(module.host, cfg_key); + if not ssl_config then + local base_host = module.host:match("%.(.*)"); + ssl_config = config.get(base_host, cfg_key); + end + return ssl_config or typ and get_ssl_cfg(); + end + + local ssl_config, err = get_ssl_cfg("c2s"); + ssl_ctx_c2s, err = create_context(host.host, "server", ssl_config); -- for incoming client connections + if err then module:log("error", "Error creating context for c2s: %s", err); end + + ssl_config = get_ssl_cfg("s2s"); + ssl_ctx_s2sin, err = create_context(host.host, "server", ssl_config); -- for incoming server connections + ssl_ctx_s2sout = create_context(host.host, "client", ssl_config); -- for outgoing server connections + if err then module:log("error", "Error creating context for s2s: %s", err); end -- Both would have the same issue +end + local function can_do_tls(session) + if not session.conn.starttls then + return false; + elseif session.ssl_ctx then + return true; + end if session.type == "c2s_unauthed" then - return session.conn.starttls and host.ssl_ctx_in; + module:log("debug", "session.ssl_ctx = ssl_ctx_c2s;") + session.ssl_ctx = ssl_ctx_c2s; elseif session.type == "s2sin_unauthed" and allow_s2s_tls then - return session.conn.starttls and host.ssl_ctx_in; + session.ssl_ctx = ssl_ctx_s2sin; elseif session.direction == "outgoing" and allow_s2s_tls then - return session.conn.starttls and host.ssl_ctx; + session.ssl_ctx = ssl_ctx_s2sout; + else + return false; end - return false; + return session.ssl_ctx; end -- Hook <starttls/> @@ -45,9 +73,7 @@ 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.conn:starttls(origin.ssl_ctx); origin.log("debug", "TLS negotiation started for %s...", origin.type); origin.secure = false; else @@ -85,23 +111,7 @@ 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); + session.conn:starttls(session.ssl_ctx); session.secure = false; return true; end); - -function module.load() - local ssl_config = config.rawget(module.host, "ssl"); - if not ssl_config then - local base_host = module.host:match("%.(.*)"); - ssl_config = config.get(base_host, "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