From d75cd2acb8553f750bf83ff7adf2dde0e1703f4d Mon Sep 17 00:00:00 2001
From: Florian Schmaus <flo@geekplace.eu>
Date: Sun, 14 Mar 2021 19:34:28 +0100
Subject: [PATCH] [filetransfer] Pre-register 'stream-method' form field

Fixes SMACK-904.
---
 .../smackx/filetransfer/FileTransferNegotiator.java           | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/smack-extensions/src/main/java/org/jivesoftware/smackx/filetransfer/FileTransferNegotiator.java b/smack-extensions/src/main/java/org/jivesoftware/smackx/filetransfer/FileTransferNegotiator.java
index ac789adcc..4dc9067cf 100644
--- a/smack-extensions/src/main/java/org/jivesoftware/smackx/filetransfer/FileTransferNegotiator.java
+++ b/smack-extensions/src/main/java/org/jivesoftware/smackx/filetransfer/FileTransferNegotiator.java
@@ -40,6 +40,7 @@ import org.jivesoftware.smackx.bytestreams.socks5.packet.Bytestream;
 import org.jivesoftware.smackx.disco.ServiceDiscoveryManager;
 import org.jivesoftware.smackx.filetransfer.FileTransferException.NoAcceptableTransferMechanisms;
 import org.jivesoftware.smackx.filetransfer.FileTransferException.NoStreamMethodsOfferedException;
+import org.jivesoftware.smackx.formtypes.FormFieldRegistry;
 import org.jivesoftware.smackx.si.packet.StreamInitiation;
 import org.jivesoftware.smackx.xdata.FormField;
 import org.jivesoftware.smackx.xdata.ListSingleFormField;
@@ -66,6 +67,9 @@ public final class FileTransferNegotiator extends Manager {
     private static final String STREAM_INIT_PREFIX = "jsi_";
 
     protected static final String STREAM_DATA_FIELD_NAME = "stream-method";
+    static {
+        FormFieldRegistry.addLookasideFieldRegistryEntry(STREAM_DATA_FIELD_NAME, FormField.Type.list_single);
+    }
 
     private static final Random randomGenerator = new Random();