ldap: set invalid_data event

Currently in parse_request function LdapEvent::InvalidData is not set when a
request is not parsed correctly.

Ticket #8258

rust/src/ldap/ldap.rs

@@ -257,6 +257,7 @@ impl LdapState {
                     return AppLayerResult::incomplete(consumed as u32, needed as u32);
                 }
                 Err(_) => {
+                    self.set_event(LdapEvent::InvalidData);
                     return AppLayerResult::err();
                 }
             }
@@ -372,9 +373,7 @@ impl LdapState {
         return AppLayerResult::ok();
     }
 
-    fn parse_request_udp(
+    fn parse_request_udp(&mut self, flow: *mut Flow, stream_slice: StreamSlice) -> AppLayerResult {
-        &mut self, flow: *mut Flow, stream_slice: StreamSlice,
-    ) -> AppLayerResult {
         let input = stream_slice.as_slice();
         let _pdu = Frame::new(
             flow,
@@ -410,9 +409,7 @@ impl LdapState {
         return AppLayerResult::ok();
     }
 
-    fn parse_response_udp(
+    fn parse_response_udp(&mut self, flow: *mut Flow, stream_slice: StreamSlice) -> AppLayerResult {
-        &mut self, flow: *mut Flow, stream_slice: StreamSlice,
-    ) -> AppLayerResult {
         let input = stream_slice.as_slice();
         if input.is_empty() {
             return AppLayerResult::ok();