+++ This bug was initially created as a clone of Bug #16338 +++ On the original bug, Havoc wrote: > Unfortunately, it's quite challenging to modify dbus-daemon to try sending back > an error reply before it closes the socket; there may be another open bug about > that, or at least a thread in list archives, and I think a patch makes sense, > but, it isn't an easy patch to write iirc. (I don't remember the details.) > The daemon would need to write out an error reply to the not-well-formed > message, flush the socket as possible without blocking, then close the socket, > all synchronously. 99% of the time the client would get the error, for > debugging purposes, though it would not be guaranteed. > > That would be a good patch, in the meantime there's a simple fix that would > have saved you: add a _dbus_return_if_fail(validate_utf8(arg)) to whatever > public API function allowed you to marshal an invalid UTF-8 string. and later, also: > http://lists.freedesktop.org/archives/dbus/2007-November/008975.html I'm going to hijack Bug #16338 for "validate the UTF-8 before sending", which fixes the 99% case. It's still a bug that we don't send back an error, hence this clone, but adding those checks will mean we can drop the severity.
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