1/* 2 * SELinux support for the Audit LSM hooks 3 * 4 * Most of below header was moved from include/linux/selinux.h which 5 * is released under below copyrights: 6 * 7 * Author: James Morris <jmorris@redhat.com> 8 * 9 * Copyright (C) 2005 Red Hat, Inc., James Morris <jmorris@redhat.com> 10 * Copyright (C) 2006 Trusted Computer Solutions, Inc. <dgoeddel@trustedcs.com> 11 * Copyright (C) 2006 IBM Corporation, Timothy R. Chavez <tinytim@us.ibm.com> 12 * 13 * This program is free software; you can redistribute it and/or modify 14 * it under the terms of the GNU General Public License version 2, 15 * as published by the Free Software Foundation. 16 */ 17 18#ifndef _SELINUX_AUDIT_H 19#define _SELINUX_AUDIT_H 20 21/** 22 * selinux_audit_rule_init - alloc/init an selinux audit rule structure. 23 * @field: the field this rule refers to 24 * @op: the operater the rule uses 25 * @rulestr: the text "target" of the rule 26 * @rule: pointer to the new rule structure returned via this 27 * 28 * Returns 0 if successful, -errno if not. On success, the rule structure 29 * will be allocated internally. The caller must free this structure with 30 * selinux_audit_rule_free() after use. 31 */ 32int selinux_audit_rule_init(u32 field, u32 op, char *rulestr, void **rule); 33 34/** 35 * selinux_audit_rule_free - free an selinux audit rule structure. 36 * @rule: pointer to the audit rule to be freed 37 * 38 * This will free all memory associated with the given rule. 39 * If @rule is NULL, no operation is performed. 40 */ 41void selinux_audit_rule_free(void *rule); 42 43/** 44 * selinux_audit_rule_match - determine if a context ID matches a rule. 45 * @sid: the context ID to check 46 * @field: the field this rule refers to 47 * @op: the operater the rule uses 48 * @rule: pointer to the audit rule to check against 49 * @actx: the audit context (can be NULL) associated with the check 50 * 51 * Returns 1 if the context id matches the rule, 0 if it does not, and 52 * -errno on failure. 53 */ 54int selinux_audit_rule_match(u32 sid, u32 field, u32 op, void *rule, 55 struct audit_context *actx); 56 57/** 58 * selinux_audit_rule_known - check to see if rule contains selinux fields. 59 * @rule: rule to be checked 60 * Returns 1 if there are selinux fields specified in the rule, 0 otherwise. 61 */ 62int selinux_audit_rule_known(struct audit_krule *krule); 63 64#endif /* _SELINUX_AUDIT_H */ 65