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apparmor: Add support for audit rule filtering

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This patch adds support to Apparmor for integrating with audit rule
filtering. Right now it only handles SUBJ_ROLE, interpreting it as a
single component of a label. This is sufficient to get Apparmor working
with IMA's appraisal rules without any modifications on the IMA side.

Signed-off-by: Matthew Garrett <mjg59@google.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
This commit is contained in:
Matthew Garrett
2018-04-16 11:23:58 -07:00
committed by John Johansen
parent b896c54e8d
commit e79c26d040
3 changed files with 107 additions and 1 deletions
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6
security/apparmor/include/audit.h
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@@ -189,4 +189,10 @@ static inline int complain_error(int error)
return error;
}
void aa_audit_rule_free(void *vrule);
int aa_audit_rule_init(u32 field, u32 op, char *rulestr, void **vrule);
int aa_audit_rule_known(struct audit_krule *rule);
int aa_audit_rule_match(u32 sid, u32 field, u32 op, void *vrule,
struct audit_context *actx);
#endif /* __AA_AUDIT_H */