KEYS: Use structure to capture key restriction function and data

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Replace struct key's restrict_link function pointer with a pointer to
the new struct key_restriction. The structure contains pointers to the
restriction function as well as relevant data for evaluating the
restriction.

The garbage collector checks restrict_link->keytype when key types are
unregistered. Restrictions involving a removed key type are converted
to use restrict_link_reject so that restrictions cannot be removed by
unregistering key types.

Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>

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Mat Martineau 2016-08-31 16:05:43 -07:00

parent e9cc0f689a

commit 2b6aa412ff

9 changed files with 144 additions and 30 deletions

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8

include/linux/key.h

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