From 3693b6871eba268ecc79b3f52d00d3cefe761131 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lars=20M=C3=BCller?=
 <34514239+appgurueu@users.noreply.github.com>
Date: Sat, 29 Aug 2020 17:41:03 +0200
Subject: [PATCH] Prevent players accessing inventories of other players
 (#10341)

---
 src/network/serverpackethandler.cpp | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/src/network/serverpackethandler.cpp b/src/network/serverpackethandler.cpp
index dcbb114bf..abd9deff0 100644
--- a/src/network/serverpackethandler.cpp
+++ b/src/network/serverpackethandler.cpp
@@ -630,13 +630,19 @@ void Server::handleCommand_InventoryAction(NetworkPacket* pkt)
 		if (ma->from_inv != ma->to_inv)
 			m_inventory_mgr->setInventoryModified(ma->to_inv);
 
-		bool from_inv_is_current_player =
-			(ma->from_inv.type == InventoryLocation::PLAYER) &&
-			(ma->from_inv.name == player->getName());
-
-		bool to_inv_is_current_player =
-			(ma->to_inv.type == InventoryLocation::PLAYER) &&
-			(ma->to_inv.name == player->getName());
+		bool from_inv_is_current_player = false;
+		if (ma->from_inv.type == InventoryLocation::PLAYER) {
+			if (ma->from_inv.name != player->getName())
+				return;
+			from_inv_is_current_player = true;
+		}
+		
+		bool to_inv_is_current_player = false;
+		if (ma->to_inv.type == InventoryLocation::PLAYER) {
+			if (ma->to_inv.name != player->getName())
+				return;
+			to_inv_is_current_player = true;
+		}
 
 		InventoryLocation *remote = from_inv_is_current_player ?
 			&ma->to_inv : &ma->from_inv;