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-rw-r--r--plugins/mod_saslauth.lua6
1 files changed, 5 insertions, 1 deletions
diff --git a/plugins/mod_saslauth.lua b/plugins/mod_saslauth.lua
index 52144175..a664a8ed 100644
--- a/plugins/mod_saslauth.lua
+++ b/plugins/mod_saslauth.lua
@@ -19,6 +19,7 @@ local tostring = tostring;
local secure_auth_only = module:get_option_boolean("c2s_require_encryption", module:get_option_boolean("require_encryption", false));
local allow_unencrypted_plain_auth = module:get_option_boolean("allow_unencrypted_plain_auth", false)
local insecure_mechanisms = module:get_option_set("allow_unencrypted_sasl", allow_unencrypted_plain_auth and {} or {"PLAIN", "LOGIN"});
+local disabled_mechanisms = module:get_option_set("disable_sasl_mechanisms", {});
local log = module._log;
@@ -187,6 +188,9 @@ module:hook("stanza/urn:ietf:params:xml:ns:xmpp-sasl:auth", function(event)
if not session.secure and (secure_auth_only or insecure_mechanisms:contains(mechanism)) then
session.send(build_reply("failure", "encryption-required"));
return true;
+ elseif disabled_mechanisms:contains(mechanism) then
+ session.send(build_reply("failure", "invalid-mechanism"));
+ return true;
end
local valid_mechanism = session.sasl_handler:select(mechanism);
if not valid_mechanism then
@@ -232,7 +236,7 @@ module:hook("stream-features", function(event)
end
local mechanisms = st.stanza("mechanisms", mechanisms_attr);
for mechanism in pairs(origin.sasl_handler:mechanisms()) do
- if (origin.secure or not insecure_mechanisms:contains(mechanism)) then
+ if (not disabled_mechanisms:contains(mechanism)) and (origin.secure or not insecure_mechanisms:contains(mechanism)) then
mechanisms:tag("mechanism"):text(mechanism):up();
end
end