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User: Cache users.

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This commit is contained in:
Chris PeBenito 2018-08-08 14:39:42 -04:00
parent 8156e809b8
commit 40b9f2473e
1 changed files with 22 additions and 14 deletions
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10
setools/policyrep/user.pxi
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@ -18,6 +18,9 @@
# <http://www.gnu.org/licenses/>.
#
cdef dict _user_cache = {}
cdef class User(PolicySymbol):
"""A user."""
@ -32,7 +35,12 @@ cdef class User(PolicySymbol):
@staticmethod
cdef inline User factory(SELinuxPolicy policy, sepol.user_datum_t *symbol):
"""Factory function for constructing User objects."""
cdef User u = User.__new__(User)
cdef User u
try:
return _user_cache[<uintptr_t>symbol]
except KeyError:
u = User.__new__(User)
_user_cache[<uintptr_t>symbol] = u
u.policy = policy
u.key = <uintptr_t>symbol
u.name = policy.user_value_to_name(symbol.s.value - 1)