htpasswd auth should apply even if no filename is specified, just reject all

new listeners with the reason logged. auth_t refcount was getting out of sync
which is a potential small memory leak.

svn path=/icecast/trunk/icecast/; revision=14788

src/auth.c

@@ -195,15 +195,25 @@ static void auth_new_listener (auth_t *auth, auth_client *auth_user)
     {
         DEBUG0 ("listener is no longer connected");
         client->respcode = 400;
+        auth_release (client->auth);
+        client->auth = NULL;
         return;
     }
     if (auth->authenticate)
     {
         if (auth->authenticate (auth_user) != AUTH_OK)
+        {
+            auth_release (client->auth);
+            client->auth = NULL;
             return;
+        }
     }
     if (auth_postprocess_listener (auth_user) < 0)
+    {
+        auth_release (client->auth);
+        client->auth = NULL;
         INFO1 ("client %lu failed", client->con->id);
+    }
 }
 
 

src/auth_htpasswd.c

@@ -185,6 +185,11 @@ static auth_result htpasswd_auth (auth_client *auth_user)
     if (client->username == NULL || client->password == NULL)
         return AUTH_FAILED;
 
+    if (htpasswd->filename == NULL)
+    {
+        ERROR0("No filename given in options for authenticator.");
+        return AUTH_FAILED;
+    }
     htpasswd_recheckfile (htpasswd);
 
     thread_rwlock_rlock (&htpasswd->file_rwlock);
@@ -225,19 +230,20 @@ int  auth_get_htpasswd_auth (auth_t *authenticator, config_options_t *options)
 
     while(options) {
         if(!strcmp(options->name, "filename"))
+        {
+            free (state->filename);
             state->filename = strdup(options->value);
+        }
         options = options->next;
     }
 
-    if(!state->filename) {
-        free(state);
+    if (state->filename)
+        INFO1("Configured htpasswd authentication using password file \"%s\"", 
+                state->filename);
+    else
         ERROR0("No filename given in options for authenticator.");
-        return -1;
-    }
 
     authenticator->state = state;
-    DEBUG1("Configured htpasswd authentication using password file %s", 
-            state->filename);
 
     thread_rwlock_create(&state->file_rwlock);
     htpasswd_recheckfile (state);