aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86_64/kernel/audit.c
blob: 06d3e5a14d9dd70e2f709cef205c269f0a514203 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
#include <linux/init.h>
#include <linux/types.h>
#include <linux/audit.h>
#include <asm/unistd.h>

static unsigned dir_class[] = {
#include <asm-generic/audit_dir_write.h>
~0U
};

static unsigned read_class[] = {
#include <asm-generic/audit_read.h>
~0U
};

static unsigned write_class[] = {
#include <asm-generic/audit_write.h>
~0U
};

static unsigned chattr_class[] = {
#include <asm-generic/audit_change_attr.h>
~0U
};

static unsigned signal_class[] = {
#include <asm-generic/audit_signal.h>
~0U
};

int audit_classify_arch(int arch)
{
#ifdef CONFIG_IA32_EMULATION
	if (arch == AUDIT_ARCH_I386)
		return 1;
#endif
	return 0;
}

int audit_classify_syscall(int abi, unsigned syscall)
{
#ifdef CONFIG_IA32_EMULATION
	extern int ia32_classify_syscall(unsigned);
	if (abi == AUDIT_ARCH_I386)
		return ia32_classify_syscall(syscall);
#endif
	switch(syscall) {
	case __NR_open:
		return 2;
	case __NR_openat:
		return 3;
	case __NR_execve:
		return 5;
	default:
		return 0;
	}
}

static int __init audit_classes_init(void)
{
#ifdef CONFIG_IA32_EMULATION
	extern __u32 ia32_dir_class[];
	extern __u32 ia32_write_class[];
	extern __u32 ia32_read_class[];
	extern __u32 ia32_chattr_class[];
	extern __u32 ia32_signal_class[];
	audit_register_class(AUDIT_CLASS_WRITE_32, ia32_write_class);
	audit_register_class(AUDIT_CLASS_READ_32, ia32_read_class);
	audit_register_class(AUDIT_CLASS_DIR_WRITE_32, ia32_dir_class);
	audit_register_class(AUDIT_CLASS_CHATTR_32, ia32_chattr_class);
	audit_register_class(AUDIT_CLASS_SIGNAL_32, ia32_signal_class);
#endif
	audit_register_class(AUDIT_CLASS_WRITE, write_class);
	audit_register_class(AUDIT_CLASS_READ, read_class);
	audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
	audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
	audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
	return 0;
}

__initcall(audit_classes_init);