switch to newer posix semantic

1 files changed, 8 insertions, 4 deletions

diff --git a/mod_auth_custom/mod_auth_custom.lua b/mod_auth_custom/mod_auth_custom.lua
index e917b6a..9b4872e 100644
--- a/mod_auth_custom/mod_auth_custom.lua
+++ b/mod_auth_custom/mod_auth_custom.lua
@@ -1,14 +1,18 @@
 local posix = require "posix.grp";  
 local pam = require "pam";  
-local new_sasl = require "util.sasl".new;  
-  
-function user_exists(username)
-        for i,v in ipairs(posix.getgroup("xmpp")) do
+local new_sasl = require "util.sasl".new;
+
+function is_real_user(username)
+        for i,v in ipairs(posix.getgrnam("xmpp").gr_mem) do
           if username == v then
             return true;
           end
         end
         return false;
+end
+  
+function user_exists(username)
+        return is_real_user(username);
 end  
   
 function test_password(username, password)