I have an app which uses a small helper tool which runs setuid root.
Everything works perfectly.
But if the computer boots from some partition A and the helper tool
resides on some partition B (A≠B) and if B is accessed via FireWire
it just doesn't work.
Normally I get something like this:
2006-06-24 11:22:16.875 Test Helper[857] path: /tmp/Test Helper
2006-06-24 11:22:16.879 Test Helper[857] owner: root (0)
2006-06-24 11:22:16.880 Test Helper[857] rights: 4555
2006-06-24 11:22:16.880 Test Helper[857] geteuid: 0 Ok
But when "Test Helper" is on some FireWire partition I get:
2006-06-24 11:20:37.040 Test Helper[851] path: /Volumes/FireWire
Disk/tmp/Test Helper
2006-06-24 11:20:37.043 Test Helper[851] owner: root (0)
2006-06-24 11:20:37.043 Test Helper[851] rights: 4555
2006-06-24 11:20:37.044 Test Helper[851] geteuid: 502 Error
This might be a bug or a security feature or I might be doing
something very stupid.
But: is there a way to make this FireWire partition behave like an
internal disk? (Finder -> Info has a switch "Ignore ownership on this
volume" which is NOT checked).
And: how can I know whether a directory resides on a FireWire partition?
And: is there some folder which is guaranteed to reside on the boot
partition? Like /private/tmp - but this might be a symbolic link
pointing to some other partition.
All this on 10.4.6
Kind regards
Gerriet.
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