Fixed potentially invalid access in json message

JohanMabille · JohanMabille · commit 93cd0e390e63 · 2025-09-17T17:26:13.000+02:00
diff --git a/src/debugger/xdap_tcp_client_impl.cpp b/src/debugger/xdap_tcp_client_impl.cpp
@@ -57,7 +57,7 @@ namespace xeus
             send_dap_request(std::move(req));
             auto rep = wait_for_message([](const nl::json& msg)
             {
-                return msg["command"] == "threads";
+                return msg.contains("command") && msg["command"] == "threads";
             });
             nl::json new_message = message;
             new_message["body"]["threadList"] = nl::json::array();

Original file line number	Diff line number	Diff line change
`@@ -57,7 +57,7 @@ namespace xeus`
`57`	`57`	`send_dap_request(std::move(req));`
`58`	`58`	`auto rep = wait_for_message([](const nl::json& msg)`
`59`	`59`	`{`
`60`		`- return msg["command"] == "threads";`
	`60`	`+ return msg.contains("command") && msg["command"] == "threads";`
`61`	`61`	`});`
`62`	`62`	`nl::json new_message = message;`
`63`	`63`	`new_message["body"]["threadList"] = nl::json::array();`