From 79e684bad566a56c17c1cc270e90b0bfb9de28f2 Mon Sep 17 00:00:00 2001
From: Vladimir Pankratov <sollex.uz@gmail.com>
Date: Sat, 18 Feb 2023 15:54:36 +0500
Subject: According to RFC 5389, nonce (STUN attribute) should be padded

---
 src/base/QXmppStun.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/base/QXmppStun.cpp')

diff --git a/src/base/QXmppStun.cpp b/src/base/QXmppStun.cpp
index 8a7e61c3..9a2b3932 100644
--- a/src/base/QXmppStun.cpp
+++ b/src/base/QXmppStun.cpp
@@ -916,6 +916,10 @@ QByteArray QXmppStunMessage::encode(const QByteArray &key, bool addFingerprint)
         stream << quint16(Nonce);
         stream << quint16(m_nonce.size());
         stream.writeRawData(m_nonce.data(), m_nonce.size());
+        if (m_nonce.size() % 4) {
+            const QByteArray padding(4 - (m_nonce.size() % 4), 0);
+            stream.writeRawData(padding.data(), padding.size());
+        }
     }
 
     // REALM
-- 
cgit v1.2.3