audit.h 1.9 KB

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  1. /* SPDX-License-Identifier: GPL-2.0-only */
  2. /*
  3. * SELinux support for the Audit LSM hooks
  4. *
  5. * Author: James Morris <jmorris@redhat.com>
  6. *
  7. * Copyright (C) 2005 Red Hat, Inc., James Morris <jmorris@redhat.com>
  8. * Copyright (C) 2006 Trusted Computer Solutions, Inc. <dgoeddel@trustedcs.com>
  9. * Copyright (C) 2006 IBM Corporation, Timothy R. Chavez <tinytim@us.ibm.com>
  10. */
  11. #ifndef _SELINUX_AUDIT_H
  12. #define _SELINUX_AUDIT_H
  13. /**
  14. * selinux_audit_rule_init - alloc/init an selinux audit rule structure.
  15. * @field: the field this rule refers to
  16. * @op: the operater the rule uses
  17. * @rulestr: the text "target" of the rule
  18. * @rule: pointer to the new rule structure returned via this
  19. *
  20. * Returns 0 if successful, -errno if not. On success, the rule structure
  21. * will be allocated internally. The caller must free this structure with
  22. * selinux_audit_rule_free() after use.
  23. */
  24. int selinux_audit_rule_init(u32 field, u32 op, char *rulestr, void **rule);
  25. /**
  26. * selinux_audit_rule_free - free an selinux audit rule structure.
  27. * @rule: pointer to the audit rule to be freed
  28. *
  29. * This will free all memory associated with the given rule.
  30. * If @rule is NULL, no operation is performed.
  31. */
  32. void selinux_audit_rule_free(void *rule);
  33. /**
  34. * selinux_audit_rule_match - determine if a context ID matches a rule.
  35. * @sid: the context ID to check
  36. * @field: the field this rule refers to
  37. * @op: the operater the rule uses
  38. * @rule: pointer to the audit rule to check against
  39. *
  40. * Returns 1 if the context id matches the rule, 0 if it does not, and
  41. * -errno on failure.
  42. */
  43. int selinux_audit_rule_match(u32 sid, u32 field, u32 op, void *rule);
  44. /**
  45. * selinux_audit_rule_known - check to see if rule contains selinux fields.
  46. * @rule: rule to be checked
  47. * Returns 1 if there are selinux fields specified in the rule, 0 otherwise.
  48. */
  49. int selinux_audit_rule_known(struct audit_krule *krule);
  50. #endif /* _SELINUX_AUDIT_H */