I have a rather interesting but imho trivial task to accomplish, yet
I can't find the solution. I have a daemon running as root that
listens to user's request using Unix domain sockets. That daemon will
receive requests from local client application belonging to different
users (i.e. multi-user config). It is possible that hacker software
will try to emulate the requests so I absolutely can't rely on any
protocol - I need a clear answer from the system who's knocking on
the daemon door (listening socket). On Windows I use RPC and
impersonation and although I am not a Window guy - I might say this
works pretty well. On Linux I use credential passing through socket
using sendmsg/recvmsg (which is unfortunately not supported by OS X :
((( ). So what can I do in OS X - I looked at all possible levels,
starting from Kernel and ending with Cocoa and I can't find any
suitable mechanism that can help my daemon. A possible but cumbersome
solution is System V shared memory as it holds uid of connected user..
Any ideas?
Best regards (and sorry for double post),
Platon Fomichev<email@hidden>
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