On Wed, May 20, 2015 at 9:17 PM, Jeffrey Vander Stoep <jeffv@xxxxxxxxxx> wrote:
Thanks for all the feedback and suggestions. Agreed that raw numerical
values are confusing. I will fix up the commit message to set a better
precedent for intended use. I included them more to illustrate what is
happening under the hood. I like the idea of a qualifier for clarity.
The qualifier seems necessary for the suggested non-ioctl-specific
approach.
Individual ioctl labels are only marginally better than raw numbers.
E.g. { TCSETSF TIOCGWINSZ TCGETA TCSETA TCSETAW TCSETAF TCSBRK TCXONC
TIOCMBIS }. More helpful...but not much.
My plan was to group commonly used ioctl sets into macros.
e.g. common_socket_ioc, priv_socket_ioc, tty_ioc, gpu_ioc, etc
This is exactly what I had in mind, just use m4
After monitoring ioctl use across five different devices I think this
is a good approach as just 10-20 macros would be adequate for a
targeted policy and would provide a clearer explanation of the
permissions given.
Respectfully,
William C Roberts
William C Roberts
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