Refactor the crazy conditional in VerifyForDtlsMsgPoolSend

Author: julek-wolfssl

src/internal.c

@@ -9199,13 +9199,21 @@ int VerifyForDtlsMsgPoolSend(WOLFSSL* ssl, byte type, word32 fragOffset)
      * to be used for triggering retransmission of whole DtlsMsgPool.
      * change cipher suite type is not verified here
      */
-    return ((fragOffset == 0) &&
-           (((ssl->options.side == WOLFSSL_SERVER_END) &&
-             ((type == client_hello) ||
-             ((ssl->options.verifyPeer) && (type == certificate)) ||
-             ((!ssl->options.verifyPeer) && (type == client_key_exchange)))) ||
-            ((ssl->options.side == WOLFSSL_CLIENT_END) &&
-             (type == hello_request || type == server_hello))));
+    if (fragOffset == 0) {
+        if (ssl->options.side == WOLFSSL_SERVER_END) {
+            if (type == client_hello)
+                return 1;
+            else if (ssl->options.verifyPeer && type == certificate)
+                return 1;
+            else if (!ssl->options.verifyPeer && type == client_key_exchange)
+                return 1;
+        }
+        else {
+            if (type == hello_request || type == server_hello)
+                return 1;
+        }
+    }
+    return 0;
 }