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plugins/mod_tls.lua @ 6526:873538f0b18c
certmanager, mod_tls: Return final ssl config as third return value (fix for c6caaa440e74, portmanager assumes non-falsy second return value is an error) (thanks deoren)
author | Kim Alvefur <zash@zash.se> |
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date | Sat, 22 Nov 2014 11:51:54 +0100 |
parent | 6521:29c7586665f5 |
child | 6709:b6eff3ba13de |
rev | line source |
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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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certmanager, hostmanager, mod_tls: Move responsibility for creating per-host SSL contexts to mod_tls, meaning reloading certs is now as trivial as reloading mod_tls
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9 local create_context = require "core.certmanager".create_context; |
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10 local st = require "util.stanza"; |
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11 |
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12 local c2s_require_encryption = module:get_option("c2s_require_encryption", module:get_option("require_encryption")); |
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13 local s2s_require_encryption = module:get_option("s2s_require_encryption"); |
2933 | 14 local allow_s2s_tls = module:get_option("s2s_allow_encryption") ~= false; |
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15 local s2s_secure_auth = module:get_option("s2s_secure_auth"); |
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16 |
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17 if s2s_secure_auth and s2s_require_encryption == false then |
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18 module:log("warn", "s2s_secure_auth implies s2s_require_encryption, but s2s_require_encryption is set to false"); |
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19 s2s_require_encryption = true; |
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20 end |
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21 |
2605 | 22 local xmlns_starttls = 'urn:ietf:params:xml:ns:xmpp-tls'; |
23 local starttls_attr = { xmlns = xmlns_starttls }; | |
24 local starttls_proceed = st.stanza("proceed", starttls_attr); | |
25 local starttls_failure = st.stanza("failure", starttls_attr); | |
26 local c2s_feature = st.stanza("starttls", starttls_attr); | |
27 local s2s_feature = st.stanza("starttls", starttls_attr); | |
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28 if c2s_require_encryption then c2s_feature:tag("required"):up(); end |
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29 if s2s_require_encryption then s2s_feature:tag("required"):up(); end |
2605 | 30 |
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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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31 local hosts = prosody.hosts; |
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32 local host = hosts[module.host]; |
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33 |
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34 local ssl_ctx_c2s, ssl_ctx_s2sout, ssl_ctx_s2sin; |
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35 local ssl_cfg_c2s, ssl_cfg_s2sout, ssl_cfg_s2sin; |
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36 do |
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37 local NULL, err = {}; |
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38 local global = module:context("*"); |
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39 local parent = module:context(module.host:match("%.(.*)$")); |
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40 |
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41 local parent_ssl = parent:get_option("ssl"); |
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42 local host_ssl = module:get_option("ssl", parent_ssl); |
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43 |
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44 local global_c2s = global:get_option("c2s_ssl", NULL); |
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45 local parent_c2s = parent:get_option("c2s_ssl", NULL); |
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46 local host_c2s = module:get_option("c2s_ssl", parent_c2s); |
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47 |
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48 local global_s2s = global:get_option("s2s_ssl", NULL); |
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49 local parent_s2s = parent:get_option("s2s_ssl", NULL); |
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50 local host_s2s = module:get_option("s2s_ssl", parent_s2s); |
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51 |
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52 ssl_ctx_c2s, err, ssl_cfg_c2s = create_context(host.host, "server", host_c2s, host_ssl, global_c2s); -- for incoming client connections |
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53 if not ssl_ctx_c2s then module:log("error", "Error creating context for c2s: %s", err); end |
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54 |
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55 ssl_ctx_s2sout, err, ssl_cfg_s2sout = create_context(host.host, "client", host_s2s, host_ssl, global_s2s); -- for outgoing server connections |
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56 if not ssl_ctx_s2sout then module:log("error", "Error creating contexts for s2sout: %s", err); end |
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57 |
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58 ssl_ctx_s2sin, err, ssl_cfg_s2sin = create_context(host.host, "server", host_s2s, host_ssl, global_s2s); -- for incoming server connections |
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59 if not ssl_ctx_s2sin then module:log("error", "Error creating contexts for s2sin: %s", err); end |
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60 end |
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61 |
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62 local function can_do_tls(session) |
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63 if not session.conn.starttls then |
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64 return false; |
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65 elseif session.ssl_ctx then |
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66 return true; |
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67 end |
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68 if session.type == "c2s_unauthed" then |
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69 session.ssl_ctx = ssl_ctx_c2s; |
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70 session.ssl_cfg = ssl_cfg_c2s; |
2933 | 71 elseif session.type == "s2sin_unauthed" and allow_s2s_tls then |
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72 session.ssl_ctx = ssl_ctx_s2sin; |
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73 session.ssl_cfg = ssl_cfg_s2sin; |
2933 | 74 elseif session.direction == "outgoing" and allow_s2s_tls then |
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75 session.ssl_ctx = ssl_ctx_s2sout; |
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76 session.ssl_cfg = ssl_cfg_s2sout; |
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77 else |
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78 return false; |
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79 end |
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80 return session.ssl_ctx; |
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81 end |
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82 |
2605 | 83 -- Hook <starttls/> |
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84 module:hook("stanza/urn:ietf:params:xml:ns:xmpp-tls:starttls", function(event) |
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85 local origin = event.origin; |
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86 if can_do_tls(origin) then |
2605 | 87 (origin.sends2s or origin.send)(starttls_proceed); |
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88 origin:reset_stream(); |
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89 origin.conn:starttls(origin.ssl_ctx); |
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90 origin.log("debug", "TLS negotiation started for %s...", origin.type); |
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91 origin.secure = false; |
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92 else |
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93 origin.log("warn", "Attempt to start TLS, but TLS is not available on this %s connection", origin.type); |
2605 | 94 (origin.sends2s or origin.send)(starttls_failure); |
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95 origin:close(); |
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96 end |
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97 return true; |
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98 end); |
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99 |
2605 | 100 -- Advertize stream feature |
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101 module:hook("stream-features", function(event) |
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102 local origin, features = event.origin, event.features; |
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103 if can_do_tls(origin) then |
2605 | 104 features:add_child(c2s_feature); |
105 end | |
106 end); | |
107 module:hook("s2s-stream-features", function(event) | |
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108 local origin, features = event.origin, event.features; |
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109 if can_do_tls(origin) then |
2605 | 110 features:add_child(s2s_feature); |
111 end | |
112 end); | |
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113 |
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114 -- For s2sout connections, start TLS if we can |
2605 | 115 module:hook_stanza("http://etherx.jabber.org/streams", "features", function (session, stanza) |
116 module:log("debug", "Received features element"); | |
6302
76699a0ae4c4
mod_lastactivity, mod_legacyauth, mod_presence, mod_saslauth, mod_tls: Use the newer stanza:get_child APIs and optimize away some table lookups
Kim Alvefur <zash@zash.se>
parents:
6296
diff
changeset
|
117 if can_do_tls(session) and stanza:get_child("starttls", xmlns_starttls) then |
4475
7341cc5c8da9
mod_tls: Fix log statement (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents:
4244
diff
changeset
|
118 module:log("debug", "%s is offering TLS, taking up the offer...", session.to_host); |
2605 | 119 session.sends2s("<starttls xmlns='"..xmlns_starttls.."'/>"); |
120 return true; | |
121 end | |
122 end, 500); | |
1875
334383faf77b
mod_tls: Advertise and handle TLS for s2s connections
Matthew Wild <mwild1@gmail.com>
parents:
1675
diff
changeset
|
123 |
2605 | 124 module:hook_stanza(xmlns_starttls, "proceed", function (session, stanza) |
125 module:log("debug", "Proceeding with TLS on s2sout..."); | |
126 session:reset_stream(); | |
5685
f965ac6b7ce1
mod_tls: Refactor to allow separate SSL configuration for c2s and s2s connections
Kim Alvefur <zash@zash.se>
parents:
5378
diff
changeset
|
127 session.conn:starttls(session.ssl_ctx); |
2605 | 128 session.secure = false; |
129 return true; | |
130 end); |