Sanitize peer client names

PR #20788. Closes #20010.
qbittorrent · May 11, 2024 · 2c47f09 · 2c47f09
1 parent a19ef58
commit 2c47f09
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/base/bittorrent/peerinfo.cpp b/src/base/bittorrent/peerinfo.cpp
@@ -198,7 +198,12 @@ QString PeerInfo::I2PAddress() const
 
 QString PeerInfo::client() const
 {
-    return QString::fromStdString(m_nativeInfo.client);
+    auto client = QString::fromStdString(m_nativeInfo.client).simplified();
+
+    // remove non-printable characters
+    erase_if(client, [](const QChar &c) { return !c.isPrint(); });
+
+    return client;
 }
 
 QString PeerInfo::peerIdClient() const