I'm developing an NKE that hooks socket operations via
kpi_socketfilter APIs. I need to be able to associate an incoming
socket_t with the pid of the process that created it. I've attempted
to use fcntl for this purpose, but my kext won't load because
"_fcntl" is an undefined symbol. My plist includes the following
OSBundleLibraries:
According to Apple documentation, I only need com.apple.kernel.bsd
and com.apple.kernel.mach in order to use the headers in /sys, which
is where you'll find fcntl.h.
Does the fact that fcntl is undefined mean that I can't use it in my
kext? If I can't use it, is there another mechanism for getting the
pid from a socket_t?
Mitchell J Laurren-Ring
Critical Path Software
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