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plugins/mod_tls.lua @ 8222:67a9d2de2300
mod_saslauth: Use correct varible name (thanks Roi)
author | Kim Alvefur <zash@zash.se> |
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date | Sat, 08 Jul 2017 18:21:45 +0200 |
parent | 5988:177f233b5211 |
child | 5993:ef11b8bab405 |
rev | line source |
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1523
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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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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; |
69
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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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13 local c2s_require_encryption = module:get_option("c2s_require_encryption") or module:get_option("require_encryption"); |
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14 local s2s_require_encryption = module:get_option("s2s_require_encryption"); |
2933 | 15 local allow_s2s_tls = module:get_option("s2s_allow_encryption") ~= false; |
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mod_tls: Let s2s_secure_auth override s2s_require_encryption and warn if they differ
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16 local s2s_secure_auth = module:get_option("s2s_secure_auth"); |
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17 |
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18 if s2s_secure_auth and s2s_require_encryption == false then |
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19 module:log("warn", "s2s_secure_auth implies s2s_require_encryption, but s2s_require_encryption is set to false"); |
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20 s2s_require_encryption = true; |
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21 end |
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mod_tls: Add <required/> to stream feature when TLS is required
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22 |
2605 | 23 local xmlns_starttls = 'urn:ietf:params:xml:ns:xmpp-tls'; |
24 local starttls_attr = { xmlns = xmlns_starttls }; | |
25 local starttls_proceed = st.stanza("proceed", starttls_attr); | |
26 local starttls_failure = st.stanza("failure", starttls_attr); | |
27 local c2s_feature = st.stanza("starttls", starttls_attr); | |
28 local s2s_feature = st.stanza("starttls", starttls_attr); | |
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29 if c2s_require_encryption then c2s_feature:tag("required"):up(); end |
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30 if s2s_require_encryption then s2s_feature:tag("required"):up(); end |
2605 | 31 |
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mod_tls: Update for new server SSL syntax
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32 local global_ssl_ctx = prosody.global_ssl_ctx; |
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33 |
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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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34 local hosts = prosody.hosts; |
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35 local host = hosts[module.host]; |
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36 |
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37 local function can_do_tls(session) |
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38 if session.type == "c2s_unauthed" then |
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39 return session.conn.starttls and host.ssl_ctx_in; |
2933 | 40 elseif session.type == "s2sin_unauthed" and allow_s2s_tls then |
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41 return session.conn.starttls and host.ssl_ctx_in; |
2933 | 42 elseif session.direction == "outgoing" and allow_s2s_tls then |
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43 return session.conn.starttls and host.ssl_ctx; |
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44 end |
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45 return false; |
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46 end |
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47 |
2605 | 48 -- Hook <starttls/> |
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49 module:hook("stanza/urn:ietf:params:xml:ns:xmpp-tls:starttls", function(event) |
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50 local origin = event.origin; |
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51 if can_do_tls(origin) then |
2605 | 52 (origin.sends2s or origin.send)(starttls_proceed); |
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53 origin:reset_stream(); |
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54 local host = origin.to_host or origin.host; |
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55 local ssl_ctx = host and hosts[host].ssl_ctx_in or global_ssl_ctx; |
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56 origin.conn:starttls(ssl_ctx); |
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mod_tls: Drop 'TLS negotiation started for ...' to debug level from info
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57 origin.log("debug", "TLS negotiation started for %s...", origin.type); |
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58 origin.secure = false; |
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59 else |
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60 origin.log("warn", "Attempt to start TLS, but TLS is not available on this %s connection", origin.type); |
2605 | 61 (origin.sends2s or origin.send)(starttls_failure); |
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62 origin:close(); |
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63 end |
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64 return true; |
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65 end); |
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66 |
2605 | 67 -- Advertize stream feature |
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68 module:hook("stream-features", function(event) |
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69 local origin, features = event.origin, event.features; |
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70 if can_do_tls(origin) then |
2605 | 71 features:add_child(c2s_feature); |
72 end | |
73 end); | |
74 module:hook("s2s-stream-features", function(event) | |
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75 local origin, features = event.origin, event.features; |
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76 if can_do_tls(origin) then |
2605 | 77 features:add_child(s2s_feature); |
78 end | |
79 end); | |
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80 |
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81 -- For s2sout connections, start TLS if we can |
2605 | 82 module:hook_stanza("http://etherx.jabber.org/streams", "features", function (session, stanza) |
83 module:log("debug", "Received features element"); | |
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84 if can_do_tls(session) and stanza:child_with_ns(xmlns_starttls) then |
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85 module:log("debug", "%s is offering TLS, taking up the offer...", session.to_host); |
2605 | 86 session.sends2s("<starttls xmlns='"..xmlns_starttls.."'/>"); |
87 return true; | |
88 end | |
89 end, 500); | |
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90 |
2605 | 91 module:hook_stanza(xmlns_starttls, "proceed", function (session, stanza) |
92 module:log("debug", "Proceeding with TLS on s2sout..."); | |
93 session:reset_stream(); | |
94 local ssl_ctx = session.from_host and hosts[session.from_host].ssl_ctx or global_ssl_ctx; | |
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95 session.conn:starttls(ssl_ctx); |
2605 | 96 session.secure = false; |
97 return true; | |
98 end); | |
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99 |
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100 local function assert_log(ret, err) |
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101 if not ret then |
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102 module:log("error", "Unable to initialize TLS: %s", err); |
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103 end |
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104 return ret; |
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105 end |
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106 |
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107 function module.load() |
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108 local ssl_config = config.rawget(module.host, "ssl"); |
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109 if not ssl_config then |
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110 local base_host = module.host:match("%.(.*)"); |
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111 ssl_config = config.get(base_host, "ssl"); |
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112 end |
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113 host.ssl_ctx = assert_log(create_context(host.host, "client", ssl_config)); -- for outgoing connections |
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114 host.ssl_ctx_in = assert_log(create_context(host.host, "server", ssl_config)); -- for incoming connections |
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115 end |
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116 |
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117 function module.unload() |
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118 host.ssl_ctx = nil; |
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119 host.ssl_ctx_in = nil; |
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120 end |