audit.c

 1// SPDX-License-Identifier: GPL-2.0
 2#include <linux/init.h>
 3#include <linux/types.h>
 4#include <linux/audit.h>
 5#include <asm/unistd.h>
 6
 7static unsigned dir_class[] = {
 8#include <asm-generic/audit_dir_write.h>
 9~0U
10};
11
12static unsigned read_class[] = {
13#include <asm-generic/audit_read.h>
14~0U
15};
16
17static unsigned write_class[] = {
18#include <asm-generic/audit_write.h>
19~0U
20};
21
22static unsigned chattr_class[] = {
23#include <asm-generic/audit_change_attr.h>
24~0U
25};
26
27static unsigned signal_class[] = {
28#include <asm-generic/audit_signal.h>
29~0U
30};
31
32int audit_classify_arch(int arch)
33{
34	return 0;
35}
36
37int audit_classify_syscall(int abi, unsigned syscall)
38{
39	switch(syscall) {
40	case __NR_open:
41		return AUDITSC_OPEN;
42	case __NR_openat:
43		return AUDITSC_OPENAT;
44	case __NR_socketcall:
45		return AUDITSC_SOCKETCALL;
46	case __NR_execve:
47		return AUDITSC_EXECVE;
48	case __NR_openat2:
49		return AUDITSC_OPENAT2;
50	default:
51		return AUDITSC_NATIVE;
52	}
53}
54
55static int __init audit_classes_init(void)
56{
57	audit_register_class(AUDIT_CLASS_WRITE, write_class);
58	audit_register_class(AUDIT_CLASS_READ, read_class);
59	audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
60	audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
61	audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
62	return 0;
63}
64
65__initcall(audit_classes_init);