982ec302b6
It is possible for anonymous category sets to be in a category
expression if the expression has a macro parameter in it.
Unfortunately, anonymous category sets are not looked for when
resolving category expressions and a segfault will occur during
later processing if there was one.
As an example, consider the following portion of a policy.
(macro m1 ((categoryset cs))
(userlevel USER (s0 (cs)))
)
(call m1 ((c0 c1)))
This policy will cause a segault, because the categoryset datum
for the parameter cs is not seen as a categoryset and is treated
as a plain category.
When resolving an expression, check whether or not the datum that
is found is actually an anonymous category set associated with a
macro parameter. If it is, then resolve the category set if it
has not already been resolved and treat its categories as a sub
expression.
Signed-off-by: James Carter <jwcart2@gmail.com>
Acked-by: Nicolas Iooss <nicolas.iooss@m4x.org>
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