diff options
Diffstat (limited to 'plugins/mod_tls.lua')
| -rw-r--r-- | plugins/mod_tls.lua | 40 |
1 files changed, 31 insertions, 9 deletions
diff --git a/plugins/mod_tls.lua b/plugins/mod_tls.lua index 8c0c4e20..931701f5 100644 --- a/plugins/mod_tls.lua +++ b/plugins/mod_tls.lua @@ -35,9 +35,10 @@ local host = hosts[module.host]; local ssl_ctx_c2s, ssl_ctx_s2sout, ssl_ctx_s2sin; local ssl_cfg_c2s, ssl_cfg_s2sout, ssl_cfg_s2sin; +local err_c2s, err_s2sin, err_s2sout; function module.load(reload) - local NULL, err = {}; + local NULL = {}; local modhost = module.host; local parent = modhost:match("%.(.*)$"); @@ -53,16 +54,20 @@ function module.load(reload) local host_s2s = rawgetopt(modhost, "s2s_ssl") or parent_s2s; module:log("debug", "Creating context for c2s"); - ssl_ctx_c2s, err, ssl_cfg_c2s = create_context(host.host, "server", host_c2s, host_ssl, global_c2s); -- for incoming client connections - if not ssl_ctx_c2s then module:log("error", "Error creating context for c2s: %s", err); end + local request_client_certs = { verify = { "peer", "client_once", }; }; + + ssl_ctx_c2s, err_c2s, ssl_cfg_c2s = create_context(host.host, "server", host_c2s, host_ssl, global_c2s); -- for incoming client connections + if not ssl_ctx_c2s then module:log("error", "Error creating context for c2s: %s", err_c2s); end module:log("debug", "Creating context for s2sout"); - ssl_ctx_s2sout, err, ssl_cfg_s2sout = create_context(host.host, "client", host_s2s, host_ssl, global_s2s); -- for outgoing server connections - if not ssl_ctx_s2sout then module:log("error", "Error creating contexts for s2sout: %s", err); end + -- for outgoing server connections + ssl_ctx_s2sout, err_s2sout, ssl_cfg_s2sout = create_context(host.host, "client", host_s2s, host_ssl, global_s2s, request_client_certs); + if not ssl_ctx_s2sout then module:log("error", "Error creating contexts for s2sout: %s", err_s2sout); end module:log("debug", "Creating context for s2sin"); - ssl_ctx_s2sin, err, ssl_cfg_s2sin = create_context(host.host, "server", host_s2s, host_ssl, global_s2s); -- for incoming server connections - if not ssl_ctx_s2sin then module:log("error", "Error creating contexts for s2sin: %s", err); end + -- for incoming server connections + ssl_ctx_s2sin, err_s2sin, ssl_cfg_s2sin = create_context(host.host, "server", host_s2s, host_ssl, global_s2s, request_client_certs); + if not ssl_ctx_s2sin then module:log("error", "Error creating contexts for s2sin: %s", err_s2sin); end if reload then module:log("info", "Certificates reloaded"); @@ -83,12 +88,21 @@ local function can_do_tls(session) return session.ssl_ctx; end if session.type == "c2s_unauthed" then + if not ssl_ctx_c2s and c2s_require_encryption then + session.log("error", "No TLS context available for c2s. Earlier error was: %s", err_c2s); + end session.ssl_ctx = ssl_ctx_c2s; session.ssl_cfg = ssl_cfg_c2s; elseif session.type == "s2sin_unauthed" and allow_s2s_tls then + if not ssl_ctx_s2sin and s2s_require_encryption then + session.log("error", "No TLS context available for s2sin. Earlier error was: %s", err_s2sin); + end session.ssl_ctx = ssl_ctx_s2sin; session.ssl_cfg = ssl_cfg_s2sin; elseif session.direction == "outgoing" and allow_s2s_tls then + if not ssl_ctx_s2sout and s2s_require_encryption then + session.log("error", "No TLS context available for s2sout. Earlier error was: %s", err_s2sout); + end session.ssl_ctx = ssl_ctx_s2sout; session.ssl_cfg = ssl_cfg_s2sout; else @@ -107,6 +121,7 @@ module:hook("stanza/urn:ietf:params:xml:ns:xmpp-tls:starttls", function(event) local origin = event.origin; if can_do_tls(origin) then (origin.sends2s or origin.send)(starttls_proceed); + if origin.destroyed then return end origin:reset_stream(); origin.conn:starttls(origin.ssl_ctx); origin.log("debug", "TLS negotiation started for %s...", origin.type); @@ -136,8 +151,15 @@ end); -- For s2sout connections, start TLS if we can module:hook_tag("http://etherx.jabber.org/streams", "features", function (session, stanza) module:log("debug", "Received features element"); - if can_do_tls(session) and stanza:get_child("starttls", xmlns_starttls) then - module:log("debug", "%s is offering TLS, taking up the offer...", session.to_host); + if can_do_tls(session) then + if stanza:get_child("starttls", xmlns_starttls) then + module:log("debug", "%s is offering TLS, taking up the offer...", session.to_host); + elseif s2s_require_encryption then + module:log("debug", "%s is *not* offering TLS, trying anyways!", session.to_host); + else + module:log("debug", "%s is not offering TLS", session.to_host); + return; + end session.sends2s(starttls_initiate); return true; end |