mbedtls exitcodes

mbedtls/client/client.c

@@ -196,8 +196,13 @@ cleanup:
     if (ret != 0) {
         char error_buf[100];
         mbedtls_strerror(ret, error_buf, 100);
+        if (strstr(error_buf, "X509 - Certificate verification failed") != NULL) {
+            ret = 134;
+        } else if (strstr(error_buf, "Processing of the ServerHello handshake message failed") != NULL) {
+            ret = 120;
+        }
         mbedtls_printf("Last error was: %d - %s\n", ret, error_buf);
-        return -1;
+        return ret;
     }
     return 0;
 }
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