prosody
015934e20f03
plugins/mod_tls.lua

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plugins/mod_tls.lua @ 2595:015934e20f03

mod_tls: Switched to new events API.
author Waqas Hussain <waqas20@gmail.com>
date Fri, 12 Feb 2010 01:56:18 +0500
parent 2594:ab52fdd9f5d0
child 2596:187cd90860cb
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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841d61be198f Remove version number from copyright headers
Matthew Wild <mwild1@gmail.com>
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diff changeset
1 -- Prosody IM
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90ce865eebd8 Update copyright notices for 2009
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2 -- Copyright (C) 2008-2009 Matthew Wild
90ce865eebd8 Update copyright notices for 2009
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3 -- Copyright (C) 2008-2009 Waqas Hussain
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4 --
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b1885732e979 GPL->MIT!
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5 -- This project is MIT/X11 licensed. Please see the
b1885732e979 GPL->MIT!
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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 st = require "util.stanza";
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10
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11 local xmlns_stream = 'http://etherx.jabber.org/streams';
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12 local xmlns_starttls = 'urn:ietf:params:xml:ns:xmpp-tls';
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13
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14 local secure_auth_only = module:get_option("c2s_require_encryption") or module:get_option("require_encryption");
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15 local secure_s2s_only = module:get_option("s2s_require_encryption");
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16
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17 local global_ssl_ctx = prosody.global_ssl_ctx;
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18
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19 function c2s_starttls_handler(session, stanza)
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20 if session.conn.starttls then
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21 session.send(st.stanza("proceed", { xmlns = xmlns_starttls }));
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22 session:reset_stream();
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23 local ssl_ctx = session.host and hosts[session.host].ssl_ctx_in or global_ssl_ctx;
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24 session.conn:starttls(ssl_ctx);
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25 session.log("info", "TLS negotiation started...");
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26 session.secure = false;
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27 else
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28 -- FIXME: What reply?
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29 session.log("warn", "Attempt to start TLS, but TLS is not available on this connection");
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30 end
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31 end
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32
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33 function s2s_starttls_handler(session, stanza)
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34 if session.conn.starttls then
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35 session.sends2s(st.stanza("proceed", { xmlns = xmlns_starttls }));
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36 session:reset_stream();
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37 local ssl_ctx = session.to_host and hosts[session.to_host].ssl_ctx_in or global_ssl_ctx;
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38 session.conn:starttls(ssl_ctx);
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39 session.log("info", "TLS negotiation started for incoming s2s...");
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40 session.secure = false;
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41 else
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42 -- FIXME: What reply?
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43 session.log("warn", "Attempt to start TLS, but TLS is not available on this s2s connection");
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44 end
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45 end
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46
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47 module:hook("stanza/urn:ietf:params:xml:ns:xmpp-tls:starttls", function(event)
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48 local origin, stanza = event.origin, event.stanza;
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49 if origin.type == "c2s_unauthed" then
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50 c2s_starttls_handler(origin, stanza);
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51 elseif origin.type == "s2sin_unauthed" then
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52 s2s_starttls_handler(origin, stanza);
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53 else
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54 -- FIXME: What reply?
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55 origin.log("warn", "Attempt to start TLS, but TLS is not available on this %s connection", origin.type);
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56 end
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57 return true;
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58 end);
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59
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60
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61 local starttls_attr = { xmlns = xmlns_starttls };
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62 module:add_event_hook("stream-features",
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63 function (session, features)
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64 if not session.username and session.conn.starttls then
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65 features:tag("starttls", starttls_attr);
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66 if secure_auth_only then
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67 features:tag("required"):up():up();
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68 else
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69 features:up();
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70 end
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71 end
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72 end);
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73
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74 module:hook("s2s-stream-features",
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75 function (data)
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76 local session, features = data.session, data.features;
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77 if session.to_host and session.type ~= "s2sin" and session.conn.starttls then
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78 features:tag("starttls", starttls_attr):up();
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79 if secure_s2s_only then
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80 features:tag("required"):up():up();
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81 else
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82 features:up();
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83 end
1875
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84 end
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85 end);
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86
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87 -- For s2sout connections, start TLS if we can
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88 module:hook_stanza(xmlns_stream, "features",
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89 function (session, stanza)
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90 module:log("debug", "Received features element");
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91 if session.conn.starttls and stanza:child_with_ns(xmlns_starttls) then
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92 module:log("%s is offering TLS, taking up the offer...", session.to_host);
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93 session.sends2s("<starttls xmlns='"..xmlns_starttls.."'/>");
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94 return true;
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95 end
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96 end, 500);
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97
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98 module:hook_stanza(xmlns_starttls, "proceed",
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99 function (session, stanza)
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100 module:log("debug", "Proceeding with TLS on s2sout...");
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101 session:reset_stream();
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parents: 2542
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102 local ssl_ctx = session.from_host and hosts[session.from_host].ssl_ctx or global_ssl_ctx;
da16a5c0df85 mod_tls: Set the sslctx on outgoing connections (possibly the cause of outgoing s2s connections not being encrypted)
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103 session.conn:starttls(ssl_ctx, true);
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e1c5b537f240 mod_tls: Mark sessions as not secure when negotiating outward TLS, so they get marked secure later. Fixes missing (encrypted) for outgoing sessions in s2s:show(). Thanks albert, McKael :)
Matthew Wild <mwild1@gmail.com>
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104 session.secure = false;
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105 return true;
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106 end);