prosody
428f13c098d5
plugins/mod_tls.lua

Find changesets by keywords by author, files, the commit message, revision number or hash, or revset expression.

Software / code / prosody

Annotate

plugins/mod_tls.lua @ 3434:428f13c098d5

hostmanager: Remove dependency on eventmanager
author Matthew Wild <mwild1@gmail.com>
date Tue, 03 Aug 2010 10:55:17 +0100
parent 3397:f376f0bd1d1f
child 3571:675d65036f31
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1523
841d61be198f Remove version number from copyright headers
Matthew Wild <mwild1@gmail.com>
parents: 1219
diff changeset
1 -- Prosody IM
2923
b7049746bd29 Update copyright headers for 2010
Matthew Wild <mwild1@gmail.com>
parents: 2877
diff changeset
2 -- Copyright (C) 2008-2010 Matthew Wild
b7049746bd29 Update copyright headers for 2010
Matthew Wild <mwild1@gmail.com>
parents: 2877
diff changeset
3 -- Copyright (C) 2008-2010 Waqas Hussain
519
cccd610a0ef9 Insert copyright/license headers
Matthew Wild <mwild1@gmail.com>
parents: 438
diff changeset
4 --
758
b1885732e979 GPL->MIT!
Matthew Wild <mwild1@gmail.com>
parents: 705
diff changeset
5 -- This project is MIT/X11 licensed. Please see the
b1885732e979 GPL->MIT!
Matthew Wild <mwild1@gmail.com>
parents: 705
diff changeset
6 -- COPYING file in the source package for more information.
519
cccd610a0ef9 Insert copyright/license headers
Matthew Wild <mwild1@gmail.com>
parents: 438
diff changeset
7 --
cccd610a0ef9 Insert copyright/license headers
Matthew Wild <mwild1@gmail.com>
parents: 438
diff changeset
8
69
5b664c8fef86 forgot to commit mod_tls, oops :)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
9 local st = require "util.stanza";
99
ba08b8a4eeef Abstract connections with "connection listeners"
Matthew Wild <mwild1@gmail.com>
parents: 69
diff changeset
10
1912
126401a7159f require_encryption deprecated, use c2s_require_encryption instead
Matthew Wild <mwild1@gmail.com>
parents: 1911
diff changeset
11 local secure_auth_only = module:get_option("c2s_require_encryption") or module:get_option("require_encryption");
1913
da49a59dff7c mod_tls: require_s2s_encryption -> s2s_require_encryption
Matthew Wild <mwild1@gmail.com>
parents: 1912
diff changeset
12 local secure_s2s_only = module:get_option("s2s_require_encryption");
2933
e68ff49fa79b Merge 0.6->0.7
Matthew Wild <mwild1@gmail.com>
parents: 2925 2932
diff changeset
13 local allow_s2s_tls = module:get_option("s2s_allow_encryption") ~= false;
1219
f14e08a0ae7f mod_tls: Add <required/> to stream feature when TLS is required
Matthew Wild <mwild1@gmail.com>
parents: 1213
diff changeset
14
2605
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
15 local xmlns_starttls = 'urn:ietf:params:xml:ns:xmpp-tls';
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
16 local starttls_attr = { xmlns = xmlns_starttls };
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
17 local starttls_proceed = st.stanza("proceed", starttls_attr);
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
18 local starttls_failure = st.stanza("failure", starttls_attr);
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
19 local c2s_feature = st.stanza("starttls", starttls_attr);
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
20 local s2s_feature = st.stanza("starttls", starttls_attr);
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
21 if secure_auth_only then c2s_feature:tag("required"):up(); end
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
22 if secure_s2s_only then s2s_feature:tag("required"):up(); end
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
23
2542
0a78847b38e2 mod_tls: Update for new server SSL syntax
Matthew Wild <mwild1@gmail.com>
parents: 2108
diff changeset
24 local global_ssl_ctx = prosody.global_ssl_ctx;
1219
f14e08a0ae7f mod_tls: Add <required/> to stream feature when TLS is required
Matthew Wild <mwild1@gmail.com>
parents: 1213
diff changeset
25
2872
cdc292d201fc mod_tls: Don't offer TLS on hosts that don't have any certs
Matthew Wild <mwild1@gmail.com>
parents: 2854
diff changeset
26 local host = hosts[module.host];
cdc292d201fc mod_tls: Don't offer TLS on hosts that don't have any certs
Matthew Wild <mwild1@gmail.com>
parents: 2854
diff changeset
27
2625
03287c06d986 mod_tls: Refactor to simplify detection of whether we can do TLS on a connection
Matthew Wild <mwild1@gmail.com>
parents: 2623
diff changeset
28 local function can_do_tls(session)
03287c06d986 mod_tls: Refactor to simplify detection of whether we can do TLS on a connection
Matthew Wild <mwild1@gmail.com>
parents: 2623
diff changeset
29 if session.type == "c2s_unauthed" then
2636
d2805ad5b736 mod_tls: Ban TLS after auth, not before.
Waqas Hussain <waqas20@gmail.com>
parents: 2635
diff changeset
30 return session.conn.starttls and host.ssl_ctx_in;
2933
e68ff49fa79b Merge 0.6->0.7
Matthew Wild <mwild1@gmail.com>
parents: 2925 2932
diff changeset
31 elseif session.type == "s2sin_unauthed" and allow_s2s_tls then
2636
d2805ad5b736 mod_tls: Ban TLS after auth, not before.
Waqas Hussain <waqas20@gmail.com>
parents: 2635
diff changeset
32 return session.conn.starttls and host.ssl_ctx_in;
2933
e68ff49fa79b Merge 0.6->0.7
Matthew Wild <mwild1@gmail.com>
parents: 2925 2932
diff changeset
33 elseif session.direction == "outgoing" and allow_s2s_tls then
2654
07a6f5f9d4be mod_tls: Only negotiate TLS on outgoing s2s connections if we have an SSL context (thanks Flo...)
Matthew Wild <mwild1@gmail.com>
parents: 2636
diff changeset
34 return session.conn.starttls and host.ssl_ctx;
2625
03287c06d986 mod_tls: Refactor to simplify detection of whether we can do TLS on a connection
Matthew Wild <mwild1@gmail.com>
parents: 2623
diff changeset
35 end
03287c06d986 mod_tls: Refactor to simplify detection of whether we can do TLS on a connection
Matthew Wild <mwild1@gmail.com>
parents: 2623
diff changeset
36 return false;
2932
d2816fb6c7ea mod_tls: Add s2s_allow_encryption option which, when set to false, disabled TLS for s2s
Matthew Wild <mwild1@gmail.com>
parents: 2923
diff changeset
37 end
d2816fb6c7ea mod_tls: Add s2s_allow_encryption option which, when set to false, disabled TLS for s2s
Matthew Wild <mwild1@gmail.com>
parents: 2923
diff changeset
38
2605
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
39 -- Hook <starttls/>
2600
1e6f3002e04f mod_tls: Inlined some code.
Waqas Hussain <waqas20@gmail.com>
parents: 2596
diff changeset
40 module:hook("stanza/urn:ietf:params:xml:ns:xmpp-tls:starttls", function(event)
1e6f3002e04f mod_tls: Inlined some code.
Waqas Hussain <waqas20@gmail.com>
parents: 2596
diff changeset
41 local origin = event.origin;
2625
03287c06d986 mod_tls: Refactor to simplify detection of whether we can do TLS on a connection
Matthew Wild <mwild1@gmail.com>
parents: 2623
diff changeset
42 if can_do_tls(origin) then
2605
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
43 (origin.sends2s or origin.send)(starttls_proceed);
2600
1e6f3002e04f mod_tls: Inlined some code.
Waqas Hussain <waqas20@gmail.com>
parents: 2596
diff changeset
44 origin:reset_stream();
1e6f3002e04f mod_tls: Inlined some code.
Waqas Hussain <waqas20@gmail.com>
parents: 2596
diff changeset
45 local host = origin.to_host or origin.host;
2596
187cd90860cb mod_tls: Merged duplicate code.
Waqas Hussain <waqas20@gmail.com>
parents: 2595
diff changeset
46 local ssl_ctx = host and hosts[host].ssl_ctx_in or global_ssl_ctx;
2600
1e6f3002e04f mod_tls: Inlined some code.
Waqas Hussain <waqas20@gmail.com>
parents: 2596
diff changeset
47 origin.conn:starttls(ssl_ctx);
1e6f3002e04f mod_tls: Inlined some code.
Waqas Hussain <waqas20@gmail.com>
parents: 2596
diff changeset
48 origin.log("info", "TLS negotiation started for %s...", origin.type);
1e6f3002e04f mod_tls: Inlined some code.
Waqas Hussain <waqas20@gmail.com>
parents: 2596
diff changeset
49 origin.secure = false;
2595
015934e20f03 mod_tls: Switched to new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2594
diff changeset
50 else
015934e20f03 mod_tls: Switched to new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2594
diff changeset
51 origin.log("warn", "Attempt to start TLS, but TLS is not available on this %s connection", origin.type);
2605
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
52 (origin.sends2s or origin.send)(starttls_failure);
2601
e64c6a4aa50b mod_tls: Respond with proper error when TLS cannot be negotiated.
Waqas Hussain <waqas20@gmail.com>
parents: 2600
diff changeset
53 origin:close();
2595
015934e20f03 mod_tls: Switched to new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2594
diff changeset
54 end
015934e20f03 mod_tls: Switched to new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2594
diff changeset
55 return true;
015934e20f03 mod_tls: Switched to new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2594
diff changeset
56 end);
2932
d2816fb6c7ea mod_tls: Add s2s_allow_encryption option which, when set to false, disabled TLS for s2s
Matthew Wild <mwild1@gmail.com>
parents: 2923
diff changeset
57
2605
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
58 -- Advertize stream feature
2607
35a5d1c5ea28 mod_tls: Hook stream-features event using new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2605
diff changeset
59 module:hook("stream-features", function(event)
35a5d1c5ea28 mod_tls: Hook stream-features event using new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2605
diff changeset
60 local origin, features = event.origin, event.features;
2625
03287c06d986 mod_tls: Refactor to simplify detection of whether we can do TLS on a connection
Matthew Wild <mwild1@gmail.com>
parents: 2623
diff changeset
61 if can_do_tls(origin) then
2605
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
62 features:add_child(c2s_feature);
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
63 end
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
64 end);
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
65 module:hook("s2s-stream-features", function(event)
2613
afa20941e098 s2smanager, mod_compression, mod_tls: Changed event.session to event.origin for s2s-stream-features event for consistency.
Waqas Hussain <waqas20@gmail.com>
parents: 2607
diff changeset
66 local origin, features = event.origin, event.features;
2625
03287c06d986 mod_tls: Refactor to simplify detection of whether we can do TLS on a connection
Matthew Wild <mwild1@gmail.com>
parents: 2623
diff changeset
67 if can_do_tls(origin) then
2605
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
68 features:add_child(s2s_feature);
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
69 end
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
70 end);
1875
334383faf77b mod_tls: Advertise and handle TLS for s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 1675
diff changeset
71
334383faf77b mod_tls: Advertise and handle TLS for s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 1675
diff changeset
72 -- For s2sout connections, start TLS if we can
2605
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
73 module:hook_stanza("http://etherx.jabber.org/streams", "features", function (session, stanza)
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
74 module:log("debug", "Received features element");
2654
07a6f5f9d4be mod_tls: Only negotiate TLS on outgoing s2s connections if we have an SSL context (thanks Flo...)
Matthew Wild <mwild1@gmail.com>
parents: 2636
diff changeset
75 if can_do_tls(session) and stanza:child_with_ns(xmlns_starttls) then
2605
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
76 module:log("%s is offering TLS, taking up the offer...", session.to_host);
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
77 session.sends2s("<starttls xmlns='"..xmlns_starttls.."'/>");
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
78 return true;
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
79 end
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
80 end, 500);
1875
334383faf77b mod_tls: Advertise and handle TLS for s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 1675
diff changeset
81
2605
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
82 module:hook_stanza(xmlns_starttls, "proceed", function (session, stanza)
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
83 module:log("debug", "Proceeding with TLS on s2sout...");
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
84 session:reset_stream();
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
85 local ssl_ctx = session.from_host and hosts[session.from_host].ssl_ctx or global_ssl_ctx;
3397
f376f0bd1d1f mod_tls: Remove extraneous flag to starttls() for s2sout connecections
Matthew Wild <mwild1@gmail.com>
parents: 2933
diff changeset
86 session.conn:starttls(ssl_ctx);
2605
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
87 session.secure = false;
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
88 return true;
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
89 end);