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plugins/mod_tls.lua

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plugins/mod_tls.lua @ 13270:14bbfb2cc8dd default tip

lint: Teach luacheck about module:once Silence warning for using this introduced in 9c62ffbdf2ae
author Kim Alvefur <zash@zash.se>
date Sun, 15 Oct 2023 16:43:14 +0200
parent 13229:bb7177efbf41
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
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2 -- Copyright (C) 2008-2010 Matthew Wild
b7049746bd29 Update copyright headers for 2010
Matthew Wild <mwild1@gmail.com>
parents: 2877
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5698
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4 --
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b1885732e979 GPL->MIT!
Matthew Wild <mwild1@gmail.com>
parents: 705
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5 -- This project is MIT/X11 licensed. Please see the
b1885732e979 GPL->MIT!
Matthew Wild <mwild1@gmail.com>
parents: 705
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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
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8
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Kim Alvefur <zash@zash.se>
parents: 12602
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9 local create_context = require "prosody.core.certmanager".create_context;
74b9e05af71e plugins: Prefix module imports with prosody namespace
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parents: 12602
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10 local rawgetopt = require"prosody.core.configmanager".rawget;
74b9e05af71e plugins: Prefix module imports with prosody namespace
Kim Alvefur <zash@zash.se>
parents: 12602
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11 local st = require "prosody.util.stanza";
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parents: 69
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12
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Kim Alvefur <zash@zash.se>
parents: 13076
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13 local c2s_require_encryption = module:get_option_boolean("c2s_require_encryption", module:get_option_boolean("require_encryption", true));
bb7177efbf41 plugins: Use boolean config method in some places
Kim Alvefur <zash@zash.se>
parents: 13076
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14 local s2s_require_encryption = module:get_option_boolean("s2s_require_encryption", true);
bb7177efbf41 plugins: Use boolean config method in some places
Kim Alvefur <zash@zash.se>
parents: 13076
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15 local allow_s2s_tls = module:get_option_boolean("s2s_allow_encryption", true);
bb7177efbf41 plugins: Use boolean config method in some places
Kim Alvefur <zash@zash.se>
parents: 13076
diff changeset
16 local s2s_secure_auth = module:get_option_boolean("s2s_secure_auth", false);
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177f233b5211 mod_tls: Let s2s_secure_auth override s2s_require_encryption and warn if they differ
Kim Alvefur <zash@zash.se>
parents: 5987
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17
177f233b5211 mod_tls: Let s2s_secure_auth override s2s_require_encryption and warn if they differ
Kim Alvefur <zash@zash.se>
parents: 5987
diff changeset
18 if s2s_secure_auth and s2s_require_encryption == false then
177f233b5211 mod_tls: Let s2s_secure_auth override s2s_require_encryption and warn if they differ
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parents: 5987
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19 module:log("warn", "s2s_secure_auth implies s2s_require_encryption, but s2s_require_encryption is set to false");
177f233b5211 mod_tls: Let s2s_secure_auth override s2s_require_encryption and warn if they differ
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parents: 5987
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20 s2s_require_encryption = true;
177f233b5211 mod_tls: Let s2s_secure_auth override s2s_require_encryption and warn if they differ
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parents: 5987
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21 end
1219
f14e08a0ae7f mod_tls: Add <required/> to stream feature when TLS is required
Matthew Wild <mwild1@gmail.com>
parents: 1213
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22
2605
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Waqas Hussain <waqas20@gmail.com>
parents: 2604
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23 local xmlns_starttls = 'urn:ietf:params:xml:ns:xmpp-tls';
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
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24 local starttls_attr = { xmlns = xmlns_starttls };
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b6eff3ba13de mod_tls: Build <starttls/> as a stanza instead of with string concatenation
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parents: 6526
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25 local starttls_initiate= st.stanza("starttls", starttls_attr);
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parents: 2604
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26 local starttls_proceed = st.stanza("proceed", starttls_attr);
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
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27 local starttls_failure = st.stanza("failure", starttls_attr);
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
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28 local c2s_feature = st.stanza("starttls", starttls_attr);
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
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29 local s2s_feature = st.stanza("starttls", starttls_attr);
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bd90250ee1ee mod_tls: Rename variables to be less confusing
Kim Alvefur <zash@zash.se>
parents: 5976
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30 if c2s_require_encryption then c2s_feature:tag("required"):up(); end
bd90250ee1ee mod_tls: Rename variables to be less confusing
Kim Alvefur <zash@zash.se>
parents: 5976
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31 if s2s_require_encryption then s2s_feature:tag("required"):up(); end
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Waqas Hussain <waqas20@gmail.com>
parents: 2604
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32
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Kim Alvefur <zash@zash.se>
parents: 4475
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33 local hosts = prosody.hosts;
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34 local host = hosts[module.host];
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35
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36 local ssl_ctx_c2s, ssl_ctx_s2sout, ssl_ctx_s2sin;
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37 local ssl_cfg_c2s, ssl_cfg_s2sout, ssl_cfg_s2sin;
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parents: 8131
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38 local err_c2s, err_s2sin, err_s2sout;
8131
c8e3a0caa0a9 mod_tls: Rebuild SSL context objects on configuration reload - #701
Kim Alvefur <zash@zash.se>
parents: 7959
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39
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parents: 9971
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40 function module.load(reload)
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parents: 8131
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41 local NULL = {};
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Kim Alvefur <zash@zash.se>
parents: 6710
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42 local modhost = module.host;
9566a15d3e59 mod_tls: Fix inhertinance of 'ssl' option from "parent" host to subdomain (fixes #511)
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parents: 6710
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43 local parent = modhost:match("%.(.*)$");
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Kim Alvefur <zash@zash.se>
parents: 5993
diff changeset
44
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Kim Alvefur <zash@zash.se>
parents: 6710
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45 local parent_ssl = rawgetopt(parent, "ssl") or NULL;
9566a15d3e59 mod_tls: Fix inhertinance of 'ssl' option from "parent" host to subdomain (fixes #511)
Kim Alvefur <zash@zash.se>
parents: 6710
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46 local host_ssl = rawgetopt(modhost, "ssl") or parent_ssl;
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parents: 5378
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47
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Kim Alvefur <zash@zash.se>
parents: 6710
diff changeset
48 local global_c2s = rawgetopt("*", "c2s_ssl") or NULL;
9566a15d3e59 mod_tls: Fix inhertinance of 'ssl' option from "parent" host to subdomain (fixes #511)
Kim Alvefur <zash@zash.se>
parents: 6710
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49 local parent_c2s = rawgetopt(parent, "c2s_ssl") or NULL;
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ab6c57633ce5 mod_tls: Fix ssl option fallback to a "parent" host if current host does not have ssl options set (thanks 70b1)
Kim Alvefur <zash@zash.se>
parents: 6918
diff changeset
50 local host_c2s = rawgetopt(modhost, "c2s_ssl") or parent_c2s;
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Kim Alvefur <zash@zash.se>
parents: 5993
diff changeset
51
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9566a15d3e59 mod_tls: Fix inhertinance of 'ssl' option from "parent" host to subdomain (fixes #511)
Kim Alvefur <zash@zash.se>
parents: 6710
diff changeset
52 local global_s2s = rawgetopt("*", "s2s_ssl") or NULL;
9566a15d3e59 mod_tls: Fix inhertinance of 'ssl' option from "parent" host to subdomain (fixes #511)
Kim Alvefur <zash@zash.se>
parents: 6710
diff changeset
53 local parent_s2s = rawgetopt(parent, "s2s_ssl") or NULL;
6919
ab6c57633ce5 mod_tls: Fix ssl option fallback to a "parent" host if current host does not have ssl options set (thanks 70b1)
Kim Alvefur <zash@zash.se>
parents: 6918
diff changeset
54 local host_s2s = rawgetopt(modhost, "s2s_ssl") or parent_s2s;
6296
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Kim Alvefur <zash@zash.se>
parents: 5993
diff changeset
55
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Kim Alvefur <zash@zash.se>
parents: 8131
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56 module:log("debug", "Creating context for c2s");
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Kim Alvefur <zash@zash.se>
parents: 9740
diff changeset
57 local request_client_certs = { verify = { "peer", "client_once", }; };
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5c2ae28f536e mod_tls: Set ALPN on outgoing connections
Kim Alvefur <zash@zash.se>
parents: 12207
diff changeset
58 local xmpp_alpn = { alpn = "xmpp-server" };
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parents: 5378
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59
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parents: 8131
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60 ssl_ctx_c2s, err_c2s, ssl_cfg_c2s = create_context(host.host, "server", host_c2s, host_ssl, global_c2s); -- for incoming client connections
4b34687ede3f mod_tls: Keep TLS context errors and repeat them again for each session
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parents: 8131
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61 if not ssl_ctx_c2s then module:log("error", "Error creating context for c2s: %s", err_c2s); end
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62
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63 module:log("debug", "Creating context for s2sout");
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115b5e32d960 mod_tls: Restore querying for certificates on s2s
Kim Alvefur <zash@zash.se>
parents: 9740
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64 -- for outgoing server connections
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Kim Alvefur <zash@zash.se>
parents: 12977
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65 ssl_ctx_s2sout, err_s2sout, ssl_cfg_s2sout = create_context(host.host, "client", host_s2s, host_ssl, global_s2s, xmpp_alpn);
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66 if not ssl_ctx_s2sout then module:log("error", "Error creating contexts for s2sout: %s", err_s2sout); end
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parents: 6487
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67
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parents: 11519
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68 module:log("debug", "Creating context for s2sin");
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Kim Alvefur <zash@zash.se>
parents: 9740
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69 -- for incoming server connections
115b5e32d960 mod_tls: Restore querying for certificates on s2s
Kim Alvefur <zash@zash.se>
parents: 9740
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70 ssl_ctx_s2sin, err_s2sin, ssl_cfg_s2sin = create_context(host.host, "server", host_s2s, host_ssl, global_s2s, request_client_certs);
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parents: 8131
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71 if not ssl_ctx_s2sin then module:log("error", "Error creating contexts for s2sin: %s", err_s2sin); end
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parents: 9971
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72
950082c1669e mod_tls: Log when certificates are (re)loaded
Kim Alvefur <zash@zash.se>
parents: 9971
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73 if reload then
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Kim Alvefur <zash@zash.se>
parents: 9971
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74 module:log("info", "Certificates reloaded");
950082c1669e mod_tls: Log when certificates are (re)loaded
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75 else
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76 module:log("info", "Certificates loaded");
950082c1669e mod_tls: Log when certificates are (re)loaded
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parents: 9971
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77 end
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f965ac6b7ce1 mod_tls: Refactor to allow separate SSL configuration for c2s and s2s connections
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parents: 5378
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78 end
f965ac6b7ce1 mod_tls: Refactor to allow separate SSL configuration for c2s and s2s connections
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parents: 5378
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79
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parents: 7959
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80 module:hook_global("config-reloaded", module.load);
c8e3a0caa0a9 mod_tls: Rebuild SSL context objects on configuration reload - #701
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parents: 7959
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81
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Matthew Wild <mwild1@gmail.com>
parents: 2623
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82 local function can_do_tls(session)
12482
b193f8a2737e mod_tls: Do not offer TLS if the connection is considered secure
Jonas Schäfer <jonas@wielicki.name>
parents: 12330
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83 if session.secure then
b193f8a2737e mod_tls: Do not offer TLS if the connection is considered secure
Jonas Schäfer <jonas@wielicki.name>
parents: 12330
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84 return false;
b193f8a2737e mod_tls: Do not offer TLS if the connection is considered secure
Jonas Schäfer <jonas@wielicki.name>
parents: 12330
diff changeset
85 end
12207
65e252940337 mod_s2s: Retrieve TLS context for outgoing Direct TLS connections from mod_tls
Kim Alvefur <zash@zash.se>
parents: 11766
diff changeset
86 if session.conn and not session.conn.starttls then
7913
64daa21450f9 mod_tls: Suppress debug message if already using encryption
Kim Alvefur <zash@zash.se>
parents: 7898
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87 if not session.secure then
64daa21450f9 mod_tls: Suppress debug message if already using encryption
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88 session.log("debug", "Underlying connection does not support STARTTLS");
64daa21450f9 mod_tls: Suppress debug message if already using encryption
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parents: 7898
diff changeset
89 end
7869
eb5fba4c8074 mod_tls: Check that connection has starttls method first to prevent offering starttls over tls (thanks Remko and Tobias)
Kim Alvefur <zash@zash.se>
parents: 7864
diff changeset
90 return false;
eb5fba4c8074 mod_tls: Check that connection has starttls method first to prevent offering starttls over tls (thanks Remko and Tobias)
Kim Alvefur <zash@zash.se>
parents: 7864
diff changeset
91 elseif session.ssl_ctx ~= nil then
7864
7ece186a44d3 mod_tls: Return session.ssl_ctx if not nil, like when doing the full session type check
Kim Alvefur <zash@zash.se>
parents: 7863
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92 return session.ssl_ctx;
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Kim Alvefur <zash@zash.se>
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93 end
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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
94 if session.type == "c2s_unauthed" then
9740
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Kim Alvefur <zash@zash.se>
parents: 8131
diff changeset
95 if not ssl_ctx_c2s and c2s_require_encryption then
4b34687ede3f mod_tls: Keep TLS context errors and repeat them again for each session
Kim Alvefur <zash@zash.se>
parents: 8131
diff changeset
96 session.log("error", "No TLS context available for c2s. Earlier error was: %s", err_c2s);
4b34687ede3f mod_tls: Keep TLS context errors and repeat them again for each session
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97 end
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Kim Alvefur <zash@zash.se>
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98 session.ssl_ctx = ssl_ctx_c2s;
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Kim Alvefur <zash@zash.se>
parents: 6487
diff changeset
99 session.ssl_cfg = ssl_cfg_c2s;
2933
e68ff49fa79b Merge 0.6->0.7
Matthew Wild <mwild1@gmail.com>
parents: 2925 2932
diff changeset
100 elseif session.type == "s2sin_unauthed" and allow_s2s_tls then
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Kim Alvefur <zash@zash.se>
parents: 8131
diff changeset
101 if not ssl_ctx_s2sin and s2s_require_encryption then
4b34687ede3f mod_tls: Keep TLS context errors and repeat them again for each session
Kim Alvefur <zash@zash.se>
parents: 8131
diff changeset
102 session.log("error", "No TLS context available for s2sin. Earlier error was: %s", err_s2sin);
4b34687ede3f mod_tls: Keep TLS context errors and repeat them again for each session
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diff changeset
103 end
5685
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Kim Alvefur <zash@zash.se>
parents: 5378
diff changeset
104 session.ssl_ctx = ssl_ctx_s2sin;
6521
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Kim Alvefur <zash@zash.se>
parents: 6487
diff changeset
105 session.ssl_cfg = ssl_cfg_s2sin;
2933
e68ff49fa79b Merge 0.6->0.7
Matthew Wild <mwild1@gmail.com>
parents: 2925 2932
diff changeset
106 elseif session.direction == "outgoing" and allow_s2s_tls then
9740
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Kim Alvefur <zash@zash.se>
parents: 8131
diff changeset
107 if not ssl_ctx_s2sout and s2s_require_encryption then
4b34687ede3f mod_tls: Keep TLS context errors and repeat them again for each session
Kim Alvefur <zash@zash.se>
parents: 8131
diff changeset
108 session.log("error", "No TLS context available for s2sout. Earlier error was: %s", err_s2sout);
4b34687ede3f mod_tls: Keep TLS context errors and repeat them again for each session
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parents: 8131
diff changeset
109 end
5685
f965ac6b7ce1 mod_tls: Refactor to allow separate SSL configuration for c2s and s2s connections
Kim Alvefur <zash@zash.se>
parents: 5378
diff changeset
110 session.ssl_ctx = ssl_ctx_s2sout;
6521
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parents: 6487
diff changeset
111 session.ssl_cfg = ssl_cfg_s2sout;
5685
f965ac6b7ce1 mod_tls: Refactor to allow separate SSL configuration for c2s and s2s connections
Kim Alvefur <zash@zash.se>
parents: 5378
diff changeset
112 else
7898
d8029b2e0f43 mod_tls: Log reasons for not being able to do TLS
Kim Alvefur <zash@zash.se>
parents: 7869
diff changeset
113 session.log("debug", "Unknown session type, don't know which TLS context to use");
5685
f965ac6b7ce1 mod_tls: Refactor to allow separate SSL configuration for c2s and s2s connections
Kim Alvefur <zash@zash.se>
parents: 5378
diff changeset
114 return false;
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
115 end
7863
a634fe3c21f2 mod_tls: Add debug logging for when TLS should be doable but no ssl context was set
Kim Alvefur <zash@zash.se>
parents: 7834
diff changeset
116 if not session.ssl_ctx then
a634fe3c21f2 mod_tls: Add debug logging for when TLS should be doable but no ssl context was set
Kim Alvefur <zash@zash.se>
parents: 7834
diff changeset
117 session.log("debug", "Should be able to do TLS but no context available");
a634fe3c21f2 mod_tls: Add debug logging for when TLS should be doable but no ssl context was set
Kim Alvefur <zash@zash.se>
parents: 7834
diff changeset
118 return false;
a634fe3c21f2 mod_tls: Add debug logging for when TLS should be doable but no ssl context was set
Kim Alvefur <zash@zash.se>
parents: 7834
diff changeset
119 end
5685
f965ac6b7ce1 mod_tls: Refactor to allow separate SSL configuration for c2s and s2s connections
Kim Alvefur <zash@zash.se>
parents: 5378
diff changeset
120 return session.ssl_ctx;
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
121 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
122
12207
65e252940337 mod_s2s: Retrieve TLS context for outgoing Direct TLS connections from mod_tls
Kim Alvefur <zash@zash.se>
parents: 11766
diff changeset
123 module:hook("s2sout-created", function (event)
65e252940337 mod_s2s: Retrieve TLS context for outgoing Direct TLS connections from mod_tls
Kim Alvefur <zash@zash.se>
parents: 11766
diff changeset
124 -- Initialize TLS context for outgoing connections
65e252940337 mod_s2s: Retrieve TLS context for outgoing Direct TLS connections from mod_tls
Kim Alvefur <zash@zash.se>
parents: 11766
diff changeset
125 can_do_tls(event.session);
65e252940337 mod_s2s: Retrieve TLS context for outgoing Direct TLS connections from mod_tls
Kim Alvefur <zash@zash.se>
parents: 11766
diff changeset
126 end);
65e252940337 mod_s2s: Retrieve TLS context for outgoing Direct TLS connections from mod_tls
Kim Alvefur <zash@zash.se>
parents: 11766
diff changeset
127
2605
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
128 -- Hook <starttls/>
2600
1e6f3002e04f mod_tls: Inlined some code.
Waqas Hussain <waqas20@gmail.com>
parents: 2596
diff changeset
129 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
130 local origin = event.origin;
12602
9184fe3d489a mod_tls: Record STARTTLS state so it can be shown in Shell
Kim Alvefur <zash@zash.se>
parents: 12484
diff changeset
131 origin.starttls = "requested";
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
132 if can_do_tls(origin) then
12483
988a3a7e1f35 mod_tls: tell network backend to stop reading while preparing TLS
Jonas Schäfer <jonas@wielicki.name>
parents: 12482
diff changeset
133 if origin.conn.block_reads then
988a3a7e1f35 mod_tls: tell network backend to stop reading while preparing TLS
Jonas Schäfer <jonas@wielicki.name>
parents: 12482
diff changeset
134 -- we need to ensure that no data is read anymore, otherwise we could end up in a situation where
988a3a7e1f35 mod_tls: tell network backend to stop reading while preparing TLS
Jonas Schäfer <jonas@wielicki.name>
parents: 12482
diff changeset
135 -- <proceed/> is sent and the socket receives the TLS handshake (and passes the data to lua) before
988a3a7e1f35 mod_tls: tell network backend to stop reading while preparing TLS
Jonas Schäfer <jonas@wielicki.name>
parents: 12482
diff changeset
136 -- it is asked to initiate TLS
988a3a7e1f35 mod_tls: tell network backend to stop reading while preparing TLS
Jonas Schäfer <jonas@wielicki.name>
parents: 12482
diff changeset
137 -- (not with the classical single-threaded server backends)
988a3a7e1f35 mod_tls: tell network backend to stop reading while preparing TLS
Jonas Schäfer <jonas@wielicki.name>
parents: 12482
diff changeset
138 origin.conn:block_reads()
988a3a7e1f35 mod_tls: tell network backend to stop reading while preparing TLS
Jonas Schäfer <jonas@wielicki.name>
parents: 12482
diff changeset
139 end
2605
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
140 (origin.sends2s or origin.send)(starttls_proceed);
11519
df4bd3af4099 mod_tls: Bail out if session got destroyed while sending <proceed/>
Kim Alvefur <zash@zash.se>
parents: 11341
diff changeset
141 if origin.destroyed then return end
2600
1e6f3002e04f mod_tls: Inlined some code.
Waqas Hussain <waqas20@gmail.com>
parents: 2596
diff changeset
142 origin: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
143 origin.conn:starttls(origin.ssl_ctx);
4157
1b5a8e071a80 mod_tls: Drop 'TLS negotiation started for ...' to debug level from info
Matthew Wild <mwild1@gmail.com>
parents: 3583
diff changeset
144 origin.log("debug", "TLS negotiation started for %s...", origin.type);
2600
1e6f3002e04f mod_tls: Inlined some code.
Waqas Hussain <waqas20@gmail.com>
parents: 2596
diff changeset
145 origin.secure = false;
2595
015934e20f03 mod_tls: Switched to new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2594
diff changeset
146 else
015934e20f03 mod_tls: Switched to new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2594
diff changeset
147 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
148 (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
149 origin:close();
2595
015934e20f03 mod_tls: Switched to new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2594
diff changeset
150 end
015934e20f03 mod_tls: Switched to new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2594
diff changeset
151 return true;
015934e20f03 mod_tls: Switched to new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2594
diff changeset
152 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
153
11727
f3aee8a825cc Fix various spelling errors (thanks codespell)
Kim Alvefur <zash@zash.se>
parents: 11580
diff changeset
154 -- Advertise stream feature
2607
35a5d1c5ea28 mod_tls: Hook stream-features event using new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2605
diff changeset
155 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
156 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
157 if can_do_tls(origin) then
2605
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
158 features:add_child(c2s_feature);
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
159 end
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
160 end);
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
161 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
162 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
163 if can_do_tls(origin) then
2605
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
164 features:add_child(s2s_feature);
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
165 end
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
166 end);
1875
334383faf77b mod_tls: Advertise and handle TLS for s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 1675
diff changeset
167
334383faf77b mod_tls: Advertise and handle TLS for s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 1675
diff changeset
168 -- For s2sout connections, start TLS if we can
7959
3941d609ff85 mod_tls: Switch to hook_tag from hook_stanza which was renamed in 2087d42f1e77
Kim Alvefur <zash@zash.se>
parents: 7913
diff changeset
169 module:hook_tag("http://etherx.jabber.org/streams", "features", function (session, stanza)
2605
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
170 module:log("debug", "Received features element");
11340
a7109eb45e30 mod_tls: Attempt STARTTLS even if not advertised as per RFC 7590
Kim Alvefur <zash@zash.se>
parents: 10784
diff changeset
171 if can_do_tls(session) then
a7109eb45e30 mod_tls: Attempt STARTTLS even if not advertised as per RFC 7590
Kim Alvefur <zash@zash.se>
parents: 10784
diff changeset
172 if stanza:get_child("starttls", xmlns_starttls) then
a7109eb45e30 mod_tls: Attempt STARTTLS even if not advertised as per RFC 7590
Kim Alvefur <zash@zash.se>
parents: 10784
diff changeset
173 module:log("debug", "%s is offering TLS, taking up the offer...", session.to_host);
11341
c567e5e2b77a mod_tls: Ignore lack of STARTTLS offer only when s2s_require_encryption set
Kim Alvefur <zash@zash.se>
parents: 11340
diff changeset
174 elseif s2s_require_encryption then
c567e5e2b77a mod_tls: Ignore lack of STARTTLS offer only when s2s_require_encryption set
Kim Alvefur <zash@zash.se>
parents: 11340
diff changeset
175 module:log("debug", "%s is *not* offering TLS, trying anyways!", session.to_host);
11340
a7109eb45e30 mod_tls: Attempt STARTTLS even if not advertised as per RFC 7590
Kim Alvefur <zash@zash.se>
parents: 10784
diff changeset
176 else
11341
c567e5e2b77a mod_tls: Ignore lack of STARTTLS offer only when s2s_require_encryption set
Kim Alvefur <zash@zash.se>
parents: 11340
diff changeset
177 module:log("debug", "%s is not offering TLS", session.to_host);
c567e5e2b77a mod_tls: Ignore lack of STARTTLS offer only when s2s_require_encryption set
Kim Alvefur <zash@zash.se>
parents: 11340
diff changeset
178 return;
11340
a7109eb45e30 mod_tls: Attempt STARTTLS even if not advertised as per RFC 7590
Kim Alvefur <zash@zash.se>
parents: 10784
diff changeset
179 end
12602
9184fe3d489a mod_tls: Record STARTTLS state so it can be shown in Shell
Kim Alvefur <zash@zash.se>
parents: 12484
diff changeset
180 session.starttls = "initiated";
6709
b6eff3ba13de mod_tls: Build <starttls/> as a stanza instead of with string concatenation
Kim Alvefur <zash@zash.se>
parents: 6526
diff changeset
181 session.sends2s(starttls_initiate);
2605
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
182 return true;
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
183 end
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
184 end, 500);
1875
334383faf77b mod_tls: Advertise and handle TLS for s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 1675
diff changeset
185
11766
6ad335cd43f9 mod_tls: Attempt STARTTLS on outgoing unencrypted legacy s2s connections
Kim Alvefur <zash@zash.se>
parents: 11727
diff changeset
186 module:hook("s2sout-authenticate-legacy", function(event)
6ad335cd43f9 mod_tls: Attempt STARTTLS on outgoing unencrypted legacy s2s connections
Kim Alvefur <zash@zash.se>
parents: 11727
diff changeset
187 local session = event.origin;
6ad335cd43f9 mod_tls: Attempt STARTTLS on outgoing unencrypted legacy s2s connections
Kim Alvefur <zash@zash.se>
parents: 11727
diff changeset
188 if s2s_require_encryption and can_do_tls(session) then
6ad335cd43f9 mod_tls: Attempt STARTTLS on outgoing unencrypted legacy s2s connections
Kim Alvefur <zash@zash.se>
parents: 11727
diff changeset
189 session.sends2s(starttls_initiate);
6ad335cd43f9 mod_tls: Attempt STARTTLS on outgoing unencrypted legacy s2s connections
Kim Alvefur <zash@zash.se>
parents: 11727
diff changeset
190 return true;
6ad335cd43f9 mod_tls: Attempt STARTTLS on outgoing unencrypted legacy s2s connections
Kim Alvefur <zash@zash.se>
parents: 11727
diff changeset
191 end
6ad335cd43f9 mod_tls: Attempt STARTTLS on outgoing unencrypted legacy s2s connections
Kim Alvefur <zash@zash.se>
parents: 11727
diff changeset
192 end, 200);
6ad335cd43f9 mod_tls: Attempt STARTTLS on outgoing unencrypted legacy s2s connections
Kim Alvefur <zash@zash.se>
parents: 11727
diff changeset
193
7959
3941d609ff85 mod_tls: Switch to hook_tag from hook_stanza which was renamed in 2087d42f1e77
Kim Alvefur <zash@zash.se>
parents: 7913
diff changeset
194 module:hook_tag(xmlns_starttls, "proceed", function (session, stanza) -- luacheck: ignore 212/stanza
7834
a2081d28bd22 mod_tls: Verify that TLS is available before proceeding
Kim Alvefur <zash@zash.se>
parents: 7833
diff changeset
195 if session.type == "s2sout_unauthed" and can_do_tls(session) then
7833
94c0c8649826 mod_tls: Only accept <proceed> on outgoing s2s connections
Kim Alvefur <zash@zash.se>
parents: 7712
diff changeset
196 module:log("debug", "Proceeding with TLS on s2sout...");
94c0c8649826 mod_tls: Only accept <proceed> on outgoing s2s connections
Kim Alvefur <zash@zash.se>
parents: 7712
diff changeset
197 session:reset_stream();
12602
9184fe3d489a mod_tls: Record STARTTLS state so it can be shown in Shell
Kim Alvefur <zash@zash.se>
parents: 12484
diff changeset
198 session.starttls = "proceeding"
12484
fb65b5a033b2 mod_tls: pass target hostname to starttls
Jonas Schäfer <jonas@wielicki.name>
parents: 12483
diff changeset
199 session.conn:starttls(session.ssl_ctx, session.to_host);
7833
94c0c8649826 mod_tls: Only accept <proceed> on outgoing s2s connections
Kim Alvefur <zash@zash.se>
parents: 7712
diff changeset
200 session.secure = false;
94c0c8649826 mod_tls: Only accept <proceed> on outgoing s2s connections
Kim Alvefur <zash@zash.se>
parents: 7712
diff changeset
201 return true;
94c0c8649826 mod_tls: Only accept <proceed> on outgoing s2s connections
Kim Alvefur <zash@zash.se>
parents: 7712
diff changeset
202 end
2605
ade70495fe7f mod_tls: Cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 2604
diff changeset
203 end);
11580
9ad5ec65132d mod_tls: Add "support" for <failure> by closing gracefully
Kim Alvefur <zash@zash.se>
parents: 11530
diff changeset
204
9ad5ec65132d mod_tls: Add "support" for <failure> by closing gracefully
Kim Alvefur <zash@zash.se>
parents: 11530
diff changeset
205 module:hook_tag(xmlns_starttls, "failure", function (session, stanza) -- luacheck: ignore 212/stanza
9ad5ec65132d mod_tls: Add "support" for <failure> by closing gracefully
Kim Alvefur <zash@zash.se>
parents: 11530
diff changeset
206 module:log("warn", "TLS negotiation with %s failed.", session.to_host);
9ad5ec65132d mod_tls: Add "support" for <failure> by closing gracefully
Kim Alvefur <zash@zash.se>
parents: 11530
diff changeset
207 session:close(nil, "TLS negotiation failed");
9ad5ec65132d mod_tls: Add "support" for <failure> by closing gracefully
Kim Alvefur <zash@zash.se>
parents: 11530
diff changeset
208 return false;
9ad5ec65132d mod_tls: Add "support" for <failure> by closing gracefully
Kim Alvefur <zash@zash.se>
parents: 11530
diff changeset
209 end);