Mercurial > prosody-modules

annotate mod_tls_policy/mod_tls_policy.lua @ 4617:260a33eabbd3

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_http_upload: More emphasis on conditionality of disco_items Seen too many that needlessly add duplicated disco_items.
author Kim Alvefur <zash@zash.se>
date Wed, 14 Jul 2021 19:46:12 +0200
parents a43ed0d28918
children 1b701f208b1b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1600
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
2 assert(require"ssl.core".info, "Incompatible LuaSec version");
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
3
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
4 local function hook(event_name, typ, policy)
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
5 if not policy then return end
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
6 if policy == "FS" then
1891
a43ed0d28918 mod_tls_policy: Change the FS shortcut to match on ciphers with (EC)DHE (produces nicer stream error)
Kim Alvefur <zash@zash.se>
parents: 1615
diff changeset
7 policy = { cipher = "^E?C?DHE%-" };
1600
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
8 elseif type(policy) == "string" then
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
9 policy = { cipher = policy };
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
10 end
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
11
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
12 module:hook(event_name, function (event)
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
13 local origin = event.origin;
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
14 if origin.encrypted then
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
15 local info = origin.conn:socket():info();
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
16 for key, what in pairs(policy) do
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
17 module:log("debug", "Does info[%q] = %s match %s ?", key, tostring(info[key]), tostring(what));
1601
c5ca63ac0e1b mod_tls_policy: Fix pattern matching
Kim Alvefur <zash@zash.se>
parents: 1600
diff changeset
18 if (type(what) == "number" and what < info[key] ) or (type(what) == "string" and not info[key]:match(what)) then
1615
d0fd8a29b724 mod_tls_policy: Include which part of the cipher that did not match the policy in stream error
Kim Alvefur <zash@zash.se>
parents: 1601
diff changeset
19 origin:close({ condition = "policy-violation", text = ("TLS %s '%s' not acceptable"):format(key, tostring(info[key])) });
1600
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
20 return false;
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
21 end
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
22 module:log("debug", "Seems so");
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
23 end
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
24 module:log("debug", "Policy matches");
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
25 end
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
26 end, 1000);
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
27 end
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
28
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
29 local policy = module:get_option(module.name, {});
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
30
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
31 if type(policy) == "string" then
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
32 policy = { c2s = policy, s2s = policy };
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
33 end
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
34
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
35 hook("stream-features", "c2s", policy.c2s);
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
36 hook("s2s-stream-features", "s2sin", policy.s2sin or policy.s2s);
1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
Kim Alvefur <zash@zash.se>
parents:
diff changeset
37 hook("stanza/http://etherx.jabber.org/streams:features", "s2sout", policy.s2sout or policy.s2s);