sessionmanager: Return stream error when incoming stream header is missing 'to' attribute

1 files changed, 6 insertions, 1 deletions

diff --git a/core/sessionmanager.lua b/core/sessionmanager.lua
index 5c40f756..264c296b 100644
--- a/core/sessionmanager.lua
+++ b/core/sessionmanager.lua
@@ -181,7 +181,12 @@ end
 
 function streamopened(session, attr)
 	local send = session.send;
-	session.host = attr.to or error("Client failed to specify destination hostname");
+	session.host = attr.to;
+	if not session.host then
+		session:close{ condition = "improper-addressing",
+			text = "A 'to' attribute is required on stream headers" };
+		return;
+	end
 	session.host = nameprep(session.host);
 	session.version = tonumber(attr.version) or 0;
 	session.streamid = uuid_generate();