From b8f8623145589530eae0bdb957e5337537797a92 Mon Sep 17 00:00:00 2001
From: Vladimir <me@boku.ru>
Date: Wed, 31 Jan 2018 17:01:42 +0300
Subject: Added an option to enable/disable carbons

---
 protocols/JabberG/src/jabber_db_utils.h | 2 ++
 protocols/JabberG/src/jabber_iqid.cpp   | 2 +-
 protocols/JabberG/src/jabber_opt.cpp    | 1 +
 protocols/JabberG/src/jabber_thread.cpp | 4 ++++
 4 files changed, 8 insertions(+), 1 deletion(-)

(limited to 'protocols/JabberG')

diff --git a/protocols/JabberG/src/jabber_db_utils.h b/protocols/JabberG/src/jabber_db_utils.h
index 5af4099449..40654207ca 100755
--- a/protocols/JabberG/src/jabber_db_utils.h
+++ b/protocols/JabberG/src/jabber_db_utils.h
@@ -83,6 +83,7 @@ struct CJabberOptions
 	CMOption<DWORD> ConnectionKeepAliveTimeout;
 	CMOption<BYTE> ProcessXMPPLinks;
 	CMOption<BYTE> IgnoreRosterGroups;
+	CMOption<BYTE> EnableCarbons;
 
 	CMOption<BYTE> UseOMEMO;
 
@@ -141,6 +142,7 @@ struct CJabberOptions
 		ConnectionKeepAliveTimeout(proto, "ConnectionKeepAliveTimeout", 50000),
 		ProcessXMPPLinks(proto, "ProcessXMPPLinks", FALSE),
 		IgnoreRosterGroups(proto, "IgnoreRosterGroups", FALSE),
+		EnableCarbons(proto, "EnableCarbons", TRUE),
 		UseOMEMO(proto, "UseOMEMO", FALSE)
 	{}
 };
diff --git a/protocols/JabberG/src/jabber_iqid.cpp b/protocols/JabberG/src/jabber_iqid.cpp
index 4ecac9d48e..3780c794bd 100755
--- a/protocols/JabberG/src/jabber_iqid.cpp
+++ b/protocols/JabberG/src/jabber_iqid.cpp
@@ -136,7 +136,7 @@ void CJabberProto::OnProcessLoginRq(ThreadData *info, DWORD rq)
 			EnableArchive(m_options.EnableMsgArchive != 0);
 
 		if (info->jabberServerCaps & JABBER_CAPS_CARBONS)
-			EnableCarbons(true);
+			EnableCarbons(m_options.EnableCarbons != 0);
 
 		if (m_options.AutoJoinBookmarks) {
 			LIST<JABBER_LIST_ITEM> ll(10);
diff --git a/protocols/JabberG/src/jabber_opt.cpp b/protocols/JabberG/src/jabber_opt.cpp
index 5b751fc96f..c09f62e55f 100755
--- a/protocols/JabberG/src/jabber_opt.cpp
+++ b/protocols/JabberG/src/jabber_opt.cpp
@@ -794,6 +794,7 @@ public:
 		m_otvOptions.AddOption(LPGENW("Messaging") L"/" LPGENW("Receive notes"), m_proto->m_options.AcceptNotes);
 		m_otvOptions.AddOption(LPGENW("Messaging") L"/" LPGENW("Automatically save received notes"), m_proto->m_options.AutosaveNotes);
 		m_otvOptions.AddOption(LPGENW("Messaging") L"/" LPGENW("Enable server-side history"), m_proto->m_options.EnableMsgArchive);
+		m_otvOptions.AddOption(LPGENW("Messaging") L"/" LPGENW("Receive conversations from other devices (carbons)"), m_proto->m_options.EnableCarbons);
 
 		m_otvOptions.AddOption(LPGENW("Server options") L"/" LPGENW("Disable SASL authentication (for old servers)"), m_proto->m_options.Disable3920auth);
 		m_otvOptions.AddOption(LPGENW("Server options") L"/" LPGENW("Enable stream compression (if possible)"), m_proto->m_options.EnableZlib);
diff --git a/protocols/JabberG/src/jabber_thread.cpp b/protocols/JabberG/src/jabber_thread.cpp
index 1177020ab0..4801e50179 100755
--- a/protocols/JabberG/src/jabber_thread.cpp
+++ b/protocols/JabberG/src/jabber_thread.cpp
@@ -1062,6 +1062,10 @@ void CJabberProto::OnProcessMessage(HXML node, ThreadData *info)
 				carbonSent = true;
 		}
 		if (carbon) {
+			//If carbons are disabled in options, we should ignore occasional carbons sent to us by server
+			if (!m_options.EnableCarbons)
+				return;
+
 			HXML forwarded = NULL;
 			HXML message = NULL;
 			//Carbons MUST have forwarded/message content
-- 
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