prosody
1e6f3002e04f
plugins/mod_tls.lua

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plugins/mod_tls.lua @ 2600:1e6f3002e04f

mod_tls: Inlined some code.
author Waqas Hussain <waqas20@gmail.com>
date Fri, 12 Feb 2010 02:32:27 +0500
parent 2596:187cd90860cb
child 2601:e64c6a4aa50b
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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1 -- Prosody IM
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90ce865eebd8 Update copyright notices for 2009
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2 -- Copyright (C) 2008-2009 Matthew Wild
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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
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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 module:hook("stanza/urn:ietf:params:xml:ns:xmpp-tls:starttls", function(event)
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20 local origin = event.origin;
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21 if origin.conn.starttls and origin.type == "c2s_unauthed" or origin.type == "s2sin_unauthed" then
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22 (origin.sends2s or origin.send)(st.stanza("proceed", { xmlns = xmlns_starttls }));
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23 origin:reset_stream();
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24 local host = origin.to_host or origin.host;
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25 local ssl_ctx = host and hosts[host].ssl_ctx_in or global_ssl_ctx;
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26 origin.conn:starttls(ssl_ctx);
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27 origin.log("info", "TLS negotiation started for %s...", origin.type);
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28 origin.secure = false;
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29 else
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30 -- FIXME: What reply?
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31 origin.log("warn", "Attempt to start TLS, but TLS is not available on this %s connection", origin.type);
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32 end
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33 return true;
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34 end);
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35
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36
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37 local starttls_attr = { xmlns = xmlns_starttls };
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38 module:add_event_hook("stream-features",
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39 function (session, features)
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40 if not session.username and session.conn.starttls then
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41 features:tag("starttls", starttls_attr);
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42 if secure_auth_only then
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43 features:tag("required"):up():up();
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44 else
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45 features:up();
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46 end
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47 end
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48 end);
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49
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50 module:hook("s2s-stream-features",
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51 function (data)
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52 local session, features = data.session, data.features;
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53 if session.to_host and session.type ~= "s2sin" and session.conn.starttls then
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54 features:tag("starttls", starttls_attr):up();
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55 if secure_s2s_only then
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56 features:tag("required"):up():up();
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57 else
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58 features:up();
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59 end
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60 end
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61 end);
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62
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63 -- For s2sout connections, start TLS if we can
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64 module:hook_stanza(xmlns_stream, "features",
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65 function (session, stanza)
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66 module:log("debug", "Received features element");
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67 if session.conn.starttls and stanza:child_with_ns(xmlns_starttls) then
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68 module:log("%s is offering TLS, taking up the offer...", session.to_host);
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69 session.sends2s("<starttls xmlns='"..xmlns_starttls.."'/>");
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70 return true;
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71 end
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72 end, 500);
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73
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74 module:hook_stanza(xmlns_starttls, "proceed",
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75 function (session, stanza)
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76 module:log("debug", "Proceeding with TLS on s2sout...");
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77 session:reset_stream();
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78 local ssl_ctx = session.from_host and hosts[session.from_host].ssl_ctx or global_ssl_ctx;
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79 session.conn:starttls(ssl_ctx, true);
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80 session.secure = false;
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81 return true;
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82 end);