diff options
| -rw-r--r-- | plugins/mod_saslauth.lua | 6 |
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 |