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| author |   John Johansen <john.johansen@canonical.com> | 2017-05-29 11:45:29 -0700 |
|---|---|---|
| committer | John Johansen <john.johansen@canonical.com> | 2017-06-10 17:11:29 -0700 |
| commit | b5b2557c0aeca35b34c558fd09ad6da67b9f3557 (patch) | |
| tree | e5b542bbc637558ffaade9c8cd9f537c7311653d | |
| parent | apparmor: speed up transactional queries (diff) | |
| download | linux-dev-b5b2557c0aeca35b34c558fd09ad6da67b9f3557.tar.xz linux-dev-b5b2557c0aeca35b34c558fd09ad6da67b9f3557.zip | |
apparmor: add fn to test if profile supports a given mediation class
Signed-off-by: John Johansen <john.johansen@canonical.com>
| -rw-r--r-- | security/apparmor/include/policy.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/security/apparmor/include/policy.h b/security/apparmor/include/policy.h index 97bfbddef7b2..d93f475bfd8b 100644 --- a/security/apparmor/include/policy.h +++ b/security/apparmor/include/policy.h @@ -222,6 +222,16 @@ void __aa_profile_list_release(struct list_head *head); #define unconfined(X) ((X)->mode == APPARMOR_UNCONFINED) +#define PROFILE_MEDIATES(P, T) ((P)->policy.start[(T)]) +/* safe version of POLICY_MEDIATES for full range input */ +static inline unsigned int PROFILE_MEDIATES_SAFE(struct aa_profile *profile, + unsigned char class) +{ + if (profile->policy.dfa) + return aa_dfa_match_len(profile->policy.dfa, + profile->policy.start[0], &class, 1); + return 0; +} /** * aa_get_profile - increment refcount on profile @p |