address review: assert CORAZA_INTERRUPTION in examples, ignore coraza_free_string in SWIG

Author: ppomes

coraza.i

@@ -25,6 +25,7 @@
  */
 %ignore coraza_add_debug_log_callback;
 %ignore coraza_add_error_callback;
+%ignore coraza_free_string;
 
 /*
  * Handle the char** output parameter for error messages.

examples/java/SimpleGet.java

@@ -102,9 +102,9 @@ static void testLifecycle() throws IOException {
             ret = coraza.coraza_process_uri(tx, "/someurl?foo=bar", "GET", "HTTP/1.1");
             check(ret == 0, "coraza_process_uri failed: " + ret);
 
-            // coraza_process_request_headers (returns 1 when interrupted by a deny rule)
+            // coraza_process_request_headers (returns CORAZA_INTERRUPTION for the deny rule)
             ret = coraza.coraza_process_request_headers(tx);
-            check(ret >= 0, "coraza_process_request_headers failed: " + ret);
+            check(ret == 1, "coraza_process_request_headers: expected CORAZA_INTERRUPTION (1), got " + ret);
 
             // coraza_append_request_body (byte[] typemap: single array arg)
             ret = coraza.coraza_append_request_body(tx, "hello=world".getBytes());

examples/python/simple_get.py

@@ -108,9 +108,9 @@ def test_lifecycle():
     ret = _c.coraza_process_uri(tx, "/someurl?foo=bar", "GET", "HTTP/1.1")
     _check(ret == 0, f"coraza_process_uri failed: {ret}")
 
-    # coraza_process_request_headers (returns 1 when interrupted by a deny rule)
+    # coraza_process_request_headers (returns CORAZA_INTERRUPTION for the deny rule)
     ret = _c.coraza_process_request_headers(tx)
-    _check(ret >= 0, f"coraza_process_request_headers failed: {ret}")
+    _check(ret == 1, f"coraza_process_request_headers: expected CORAZA_INTERRUPTION (1), got {ret}")
 
     # coraza_append_request_body (bytes typemap: single argument)
     body = b"hello=world"