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ircd:Ⓜ️:vm: Add event origin for internal room paranoid check in eval.

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This commit is contained in:
Jason Volk 2019-09-24 14:28:03 -07:00
parent 49ce16d74b
commit 5d9ec170f8
1 changed files with 12 additions and 1 deletions
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13
modules/m_vm.cc
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@ -881,9 +881,14 @@ ircd::m::vm::execute_pdu(eval &eval,
at<"type"_>(event)
};
const bool internal
{
m::internal(room_id)
};
const bool authenticate
{
opts.auth && !internal(room_id)
opts.auth && !internal
};
// The conform hook runs static checks on an event's formatting and
@ -894,6 +899,12 @@ ircd::m::vm::execute_pdu(eval &eval,
call_hook(conform_hook, eval, event, eval);
}
if(unlikely(internal && !my(event)))
throw error
{
fault::GENERAL, "Internal room event denied from external source."
};
if(unlikely(eval::count(event_id) > 1))
throw error
{