Sat, 27 Nov 2010 19:47:35 +0000
storage/mod_storage: Remove, obsolete
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1 | -- Prosody IM |
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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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7 | -- |
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8 | |
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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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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"); |
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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; |
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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 | ||
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26 | local global_ssl_ctx = prosody.global_ssl_ctx; |
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27 | |
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mod_tls: Don't offer TLS on hosts that don't have any certs
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28 | local host = hosts[module.host]; |
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29 | |
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30 | local function can_do_tls(session) |
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31 | if session.type == "c2s_unauthed" then |
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32 | return session.conn.starttls and host.ssl_ctx_in; |
2933 | 33 | elseif session.type == "s2sin_unauthed" and allow_s2s_tls then |
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34 | return session.conn.starttls and host.ssl_ctx_in; |
2933 | 35 | elseif session.direction == "outgoing" and allow_s2s_tls then |
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36 | return session.conn.starttls and host.ssl_ctx; |
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37 | end |
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38 | return false; |
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39 | end |
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40 | |
2605 | 41 | -- Hook <starttls/> |
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42 | module:hook("stanza/urn:ietf:params:xml:ns:xmpp-tls:starttls", function(event) |
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43 | local origin = event.origin; |
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44 | if can_do_tls(origin) then |
2605 | 45 | (origin.sends2s or origin.send)(starttls_proceed); |
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46 | origin:reset_stream(); |
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47 | local host = origin.to_host or origin.host; |
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48 | local ssl_ctx = host and hosts[host].ssl_ctx_in or global_ssl_ctx; |
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49 | origin.conn:starttls(ssl_ctx); |
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50 | origin.log("info", "TLS negotiation started for %s...", origin.type); |
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51 | origin.secure = false; |
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52 | else |
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53 | origin.log("warn", "Attempt to start TLS, but TLS is not available on this %s connection", origin.type); |
2605 | 54 | (origin.sends2s or origin.send)(starttls_failure); |
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55 | origin:close(); |
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56 | end |
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57 | return true; |
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58 | end); |
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59 | |
2605 | 60 | -- Advertize stream feature |
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mod_tls: Hook stream-features event using new events API.
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61 | module:hook("stream-features", function(event) |
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62 | local origin, features = event.origin, event.features; |
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63 | if can_do_tls(origin) then |
2605 | 64 | features:add_child(c2s_feature); |
65 | end | |
66 | end); | |
67 | module:hook("s2s-stream-features", function(event) | |
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68 | local origin, features = event.origin, event.features; |
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69 | if can_do_tls(origin) then |
2605 | 70 | features:add_child(s2s_feature); |
71 | end | |
72 | end); | |
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73 | |
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74 | -- For s2sout connections, start TLS if we can |
2605 | 75 | module:hook_stanza("http://etherx.jabber.org/streams", "features", function (session, stanza) |
76 | module:log("debug", "Received features element"); | |
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77 | if can_do_tls(session) and stanza:child_with_ns(xmlns_starttls) then |
2605 | 78 | module:log("%s is offering TLS, taking up the offer...", session.to_host); |
79 | session.sends2s("<starttls xmlns='"..xmlns_starttls.."'/>"); | |
80 | return true; | |
81 | end | |
82 | end, 500); | |
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83 | |
2605 | 84 | module:hook_stanza(xmlns_starttls, "proceed", function (session, stanza) |
85 | module:log("debug", "Proceeding with TLS on s2sout..."); | |
86 | session:reset_stream(); | |
87 | local ssl_ctx = session.from_host and hosts[session.from_host].ssl_ctx or global_ssl_ctx; | |
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88 | session.conn:starttls(ssl_ctx); |
2605 | 89 | session.secure = false; |
90 | return true; | |
91 | end); | |
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92 | |
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93 | function module.load() |
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94 | local global_ssl_config = config.get("*", "core", "ssl"); |
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95 | local ssl_config = config.get(module.host, "core", "ssl"); |
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96 | local base_host = module.host:match("%.(.*)"); |
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97 | if ssl_config == global_ssl_config and hosts[base_host] then |
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98 | ssl_config = config.get(base_host, "core", "ssl"); |
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99 | end |
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100 | host.ssl_ctx = create_context(host.host, "client", ssl_config); -- for outgoing connections |
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101 | host.ssl_ctx_in = create_context(host.host, "server", ssl_config); -- for incoming connections |
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102 | end |
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103 | |
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104 | function module.unload() |
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105 | host.ssl_ctx = nil; |
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106 | host.ssl_ctx_in = nil; |
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107 | end |