From cf1802a6de51ec14c98b1424ba95e86a66cf7c75 Mon Sep 17 00:00:00 2001 From: rubenwardy Date: Tue, 26 Mar 2019 01:18:52 +0000 Subject: Prevent multi-line chat messages server-side (#8420) --- src/server.cpp | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/src/server.cpp b/src/server.cpp index 003ad45b4..172bb4744 100644 --- a/src/server.cpp +++ b/src/server.cpp @@ -2874,8 +2874,13 @@ std::wstring Server::handleChat(const std::string &name, const std::wstring &wna L"It was refused. Send a shorter message"; } + auto message = trim(wide_to_utf8(wmessage)); + if (message.find_first_of("\n\r") != std::wstring::npos) { + return L"New lines are not permitted in chat messages"; + } + // Run script hook, exit if script ate the chat message - if (m_script->on_chat_message(name, wide_to_utf8(wmessage))) + if (m_script->on_chat_message(name, message)) return L""; // Line to send -- cgit v1.2.3