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plugins/mod_tls.lua @ 5800:3a48acbcb7f3
mod_s2s: Captitalize log messages that begin with a stream direction
author | Kim Alvefur <zash@zash.se> |
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date | Wed, 14 Aug 2013 14:53:50 +0200 |
parent | 5776:bd0ff8ae98a8 |
child | 5978:d21ea6001bba |
rev | line source |
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Remove version number from copyright headers
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1 -- Prosody IM |
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Update copyright headers for 2010
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2 -- Copyright (C) 2008-2010 Matthew Wild |
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3 -- Copyright (C) 2008-2010 Waqas Hussain |
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4 -- |
758 | 5 -- This project is MIT/X11 licensed. Please see the |
6 -- COPYING file in the source package for more information. | |
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Insert copyright/license headers
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7 -- |
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8 |
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mod_tls: Let hosts without an 'ssl' option inherit it from their parent hosts.
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9 local config = require "core.configmanager"; |
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10 local create_context = require "core.certmanager".create_context; |
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forgot to commit mod_tls, oops :)
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11 local st = require "util.stanza"; |
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12 |
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require_encryption deprecated, use c2s_require_encryption instead
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13 local secure_auth_only = module:get_option("c2s_require_encryption") or module:get_option("require_encryption"); |
1913
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mod_tls: require_s2s_encryption -> s2s_require_encryption
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14 local secure_s2s_only = module:get_option("s2s_require_encryption"); |
2933 | 15 local allow_s2s_tls = module:get_option("s2s_allow_encryption") ~= false; |
1219
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mod_tls: Add <required/> to stream feature when TLS is required
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16 |
2605 | 17 local xmlns_starttls = 'urn:ietf:params:xml:ns:xmpp-tls'; |
18 local starttls_attr = { xmlns = xmlns_starttls }; | |
19 local starttls_proceed = st.stanza("proceed", starttls_attr); | |
20 local starttls_failure = st.stanza("failure", starttls_attr); | |
21 local c2s_feature = st.stanza("starttls", starttls_attr); | |
22 local s2s_feature = st.stanza("starttls", starttls_attr); | |
23 if secure_auth_only then c2s_feature:tag("required"):up(); end | |
24 if secure_s2s_only then s2s_feature:tag("required"):up(); end | |
25 | |
5370
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mod_announce, mod_auth_anonymous, mod_c2s, mod_c2s, mod_component, mod_iq, mod_message, mod_presence, mod_tls: Access prosody.{hosts,bare_sessions,full_sessions} instead of the old globals
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26 local hosts = prosody.hosts; |
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mod_tls: Don't offer TLS on hosts that don't have any certs
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27 local host = hosts[module.host]; |
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28 |
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mod_tls: Refactor to allow separate SSL configuration for c2s and s2s connections
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29 local ssl_ctx_c2s, ssl_ctx_s2sout, ssl_ctx_s2sin; |
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30 do |
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31 local function get_ssl_cfg(typ) |
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32 local cfg_key = (typ and typ.."_" or "").."ssl"; |
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33 local ssl_config = config.rawget(module.host, cfg_key); |
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34 if not ssl_config then |
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35 local base_host = module.host:match("%.(.*)"); |
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36 ssl_config = config.get(base_host, cfg_key); |
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37 end |
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38 return ssl_config or typ and get_ssl_cfg(); |
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39 end |
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40 |
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41 local ssl_config, err = get_ssl_cfg("c2s"); |
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42 ssl_ctx_c2s, err = create_context(host.host, "server", ssl_config); -- for incoming client connections |
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43 if err then module:log("error", "Error creating context for c2s: %s", err); end |
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44 |
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45 ssl_config = get_ssl_cfg("s2s"); |
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46 ssl_ctx_s2sin, err = create_context(host.host, "server", ssl_config); -- for incoming server connections |
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47 ssl_ctx_s2sout = create_context(host.host, "client", ssl_config); -- for outgoing server connections |
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48 if err then module:log("error", "Error creating context for s2s: %s", err); end -- Both would have the same issue |
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49 end |
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50 |
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51 local function can_do_tls(session) |
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52 if not session.conn.starttls then |
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53 return false; |
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54 elseif session.ssl_ctx then |
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55 return true; |
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56 end |
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57 if session.type == "c2s_unauthed" then |
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58 session.ssl_ctx = ssl_ctx_c2s; |
2933 | 59 elseif session.type == "s2sin_unauthed" and allow_s2s_tls then |
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60 session.ssl_ctx = ssl_ctx_s2sin; |
2933 | 61 elseif session.direction == "outgoing" and allow_s2s_tls then |
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62 session.ssl_ctx = ssl_ctx_s2sout; |
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63 else |
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64 return false; |
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65 end |
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66 return session.ssl_ctx; |
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67 end |
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68 |
2605 | 69 -- Hook <starttls/> |
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70 module:hook("stanza/urn:ietf:params:xml:ns:xmpp-tls:starttls", function(event) |
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71 local origin = event.origin; |
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72 if can_do_tls(origin) then |
2605 | 73 (origin.sends2s or origin.send)(starttls_proceed); |
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74 origin:reset_stream(); |
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75 origin.conn:starttls(origin.ssl_ctx); |
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mod_tls: Drop 'TLS negotiation started for ...' to debug level from info
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76 origin.log("debug", "TLS negotiation started for %s...", origin.type); |
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77 origin.secure = false; |
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78 else |
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79 origin.log("warn", "Attempt to start TLS, but TLS is not available on this %s connection", origin.type); |
2605 | 80 (origin.sends2s or origin.send)(starttls_failure); |
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81 origin:close(); |
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82 end |
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83 return true; |
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84 end); |
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85 |
2605 | 86 -- Advertize stream feature |
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87 module:hook("stream-features", function(event) |
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88 local origin, features = event.origin, event.features; |
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89 if can_do_tls(origin) then |
2605 | 90 features:add_child(c2s_feature); |
91 end | |
92 end); | |
93 module:hook("s2s-stream-features", function(event) | |
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94 local origin, features = event.origin, event.features; |
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95 if can_do_tls(origin) then |
2605 | 96 features:add_child(s2s_feature); |
97 end | |
98 end); | |
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99 |
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100 -- For s2sout connections, start TLS if we can |
2605 | 101 module:hook_stanza("http://etherx.jabber.org/streams", "features", function (session, stanza) |
102 module:log("debug", "Received features element"); | |
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103 if can_do_tls(session) and stanza:child_with_ns(xmlns_starttls) then |
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104 module:log("debug", "%s is offering TLS, taking up the offer...", session.to_host); |
2605 | 105 session.sends2s("<starttls xmlns='"..xmlns_starttls.."'/>"); |
106 return true; | |
107 end | |
108 end, 500); | |
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109 |
2605 | 110 module:hook_stanza(xmlns_starttls, "proceed", function (session, stanza) |
111 module:log("debug", "Proceeding with TLS on s2sout..."); | |
112 session:reset_stream(); | |
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113 session.conn:starttls(session.ssl_ctx); |
2605 | 114 session.secure = false; |
115 return true; | |
116 end); |