From 72501adb5c721ac7b8d148c53305457e2c5a5921 Mon Sep 17 00:00:00 2001
From: Attila Molnar <attilamolnar@hush.com>
Date: Mon, 25 Apr 2016 13:24:40 +0200
Subject: [PATCH] m_sasl Advertise the sasl capability only if the target
 server is online

Issue #812
---
 src/modules/m_sasl.cpp | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/modules/m_sasl.cpp b/src/modules/m_sasl.cpp
index a6edb8b70..02a302c11 100644
--- a/src/modules/m_sasl.cpp
+++ b/src/modules/m_sasl.cpp
@@ -89,6 +89,7 @@ class ServerTracker : public SpanningTreeEventListener
 class SASLCap : public Cap::Capability
 {
 	std::string mechlist;
+	const ServerTracker& servertracker;
 
 	bool OnRequest(LocalUser* user, bool adding) CXX11_OVERRIDE
 	{
@@ -100,14 +101,20 @@ class SASLCap : public Cap::Capability
 		return (user->registered != REG_ALL);
 	}
 
+	bool OnList(LocalUser* user) CXX11_OVERRIDE
+	{
+		return servertracker.IsOnline();
+	}
+
 	const std::string* GetValue(LocalUser* user) const CXX11_OVERRIDE
 	{
 		return &mechlist;
 	}
 
  public:
-	SASLCap(Module* mod)
+	SASLCap(Module* mod, const ServerTracker& tracker)
 		: Cap::Capability(mod, "sasl")
+		, servertracker(tracker)
 	{
 	}
 
@@ -351,7 +358,7 @@ class ModuleSASL : public Module
 	ModuleSASL()
 		: authExt("sasl_auth", ExtensionItem::EXT_USER, this)
 		, servertracker(this)
-		, cap(this)
+		, cap(this, servertracker)
 		, auth(this, authExt, cap)
 		, sasl(this, authExt)
 		, sasleventprov(this, "event/sasl")
-- 
2.39.2