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mod_component: xpcall() stanza processing, as per other listeners, preventing potentially harmful 'top-level errors'

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Matthew Wild 2013-07-08 21:38:08 +01:00
parent 94bc9e826d
commit fb9838c64b
1 changed files with 6 additions and 1 deletions
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7
plugins/mod_component.lua
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@ -9,6 +9,7 @@
module:set_global();
local t_concat = table.concat;
local traceback = debug.traceback;
local logger = require "util.logger";
local sha1 = require "util.hashes".sha1;
@ -183,6 +184,7 @@ function stream_callbacks.streamclosed(session)
session:close();
end
local function handleerr(err) log("error", "Traceback[component]: %s", traceback(tostring(err), 2)); end
function stream_callbacks.handlestanza(session, stanza)
-- Namespaces are icky.
if not stanza.attr.xmlns and stanza.name == "handshake" then
@ -213,7 +215,10 @@ function stream_callbacks.handlestanza(session, stanza)
return;
end
end
return core_process_stanza(session, stanza);
if stanza then
return xpcall(function () return core_process_stanza(session, stanza) end, handleerr);
end
end
--- Closing a component connection