From 0142e5c340b570429d6a55a48631a95cbf3a8776 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?louiz=E2=80=99?= <louiz@louiz.org>
Date: Wed, 12 Apr 2017 17:53:44 +0200
Subject: [PATCH] Limit of 200 MAM messages, if no other limit has been set by
 the client

fix #3256
---
 src/xmpp/biboumi_component.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/xmpp/biboumi_component.cpp b/src/xmpp/biboumi_component.cpp
index 8b2e541..ddfb625 100644
--- a/src/xmpp/biboumi_component.cpp
+++ b/src/xmpp/biboumi_component.cpp
@@ -627,6 +627,11 @@ bool BiboumiComponent::handle_mam_request(const Stanza& stanza)
             if (max)
               limit = std::atoi(max->get_inner().data());
           }
+        // If the archive is really big, and the client didn’t specify any
+        // limit, we avoid flooding it: we set an arbitrary max limit.
+        if (limit == -1 && start.empty() && end.empty()) {
+            limit = 100;
+          }
         const auto lines = Database::get_muc_logs(from.bare(), iid.get_local(), iid.get_server(), limit, start, end);
         for (const db::MucLogLine& line: lines)
         {
-- 
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