mod_saslauth: Fix coding style and layout, and use of arg[] for vararg

diff --git a/plugins/mod_saslauth.lua b/plugins/mod_saslauth.lua
index 485930317fa8a9ab15e5c3c10339066a568c61aa..8d3b4ae40133be814cc6dbb7b2d408df7f161d46 100644 (file)
--- a/plugins/mod_saslauth.lua
+++ b/plugins/mod_saslauth.lua
@@ -69,16 +69,21 @@ end
 
 local function credentials_callback(mechanism, ...)
        if mechanism == "PLAIN" then
-               local username, hostname, password = arg[1], arg[2], arg[3];
-               local response = usermanager_validate_credentials(hostname, username, password, mechanism)
-               if response == nil then return false
-               else return response end
+               local username, hostname, password = ...;
+               local response = usermanager_validate_credentials(hostname, username, password, mechanism);
+               if response == nil then
+                       return false;
+               else
+                       return response;
+               end
        elseif mechanism == "DIGEST-MD5" then
                function func(x) return x; end
-               local node, domain, realm, decoder = arg[1], arg[2], arg[3], arg[4];
-               local password = usermanager_get_password(node, domain)
+               local node, domain, realm, decoder = ...;
+               local password = usermanager_get_password(node, domain);
                if password then
-                       if decoder then node, realm, password = decoder(node), decoder(realm), decoder(password); end
+                       if decoder then
+                               node, realm, password = decoder(node), decoder(realm), decoder(password);
+                       end
                        return func, md5(node..":"..realm..":"..password);
                else
                        return func, nil;