From 2c47f09d7a797c1ea886879749b71198e449e701 Mon Sep 17 00:00:00 2001
From: Hanabishi <13597663+HanabishiRecca@users.noreply.github.com>
Date: Sat, 11 May 2024 20:46:11 +0500
Subject: [PATCH] Sanitize peer client names

PR #20788.
Closes #20010.
---
 src/base/bittorrent/peerinfo.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/base/bittorrent/peerinfo.cpp b/src/base/bittorrent/peerinfo.cpp
index 9fb6db21a..cf27ba302 100644
--- 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