xref: /linux/lib/audit.c (revision 4949009eb8d40a441dcddcd96e101e77d31cf1b2)
1 #include <linux/init.h>
2 #include <linux/types.h>
3 #include <linux/audit.h>
4 #include <asm/unistd.h>
5 
6 static unsigned dir_class[] = {
7 #include <asm-generic/audit_dir_write.h>
8 ~0U
9 };
10 
11 static unsigned read_class[] = {
12 #include <asm-generic/audit_read.h>
13 ~0U
14 };
15 
16 static unsigned write_class[] = {
17 #include <asm-generic/audit_write.h>
18 ~0U
19 };
20 
21 static unsigned chattr_class[] = {
22 #include <asm-generic/audit_change_attr.h>
23 ~0U
24 };
25 
26 static unsigned signal_class[] = {
27 #include <asm-generic/audit_signal.h>
28 ~0U
29 };
30 
31 int audit_classify_arch(int arch)
32 {
33 	if (audit_is_compat(arch))
34 		return 1;
35 	else
36 		return 0;
37 }
38 
39 int audit_classify_syscall(int abi, unsigned syscall)
40 {
41 	if (audit_is_compat(abi))
42 		return audit_classify_compat_syscall(abi, syscall);
43 
44 	switch(syscall) {
45 #ifdef __NR_open
46 	case __NR_open:
47 		return 2;
48 #endif
49 #ifdef __NR_openat
50 	case __NR_openat:
51 		return 3;
52 #endif
53 #ifdef __NR_socketcall
54 	case __NR_socketcall:
55 		return 4;
56 #endif
57 #ifdef __NR_execveat
58 	case __NR_execveat:
59 #endif
60 	case __NR_execve:
61 		return 5;
62 	default:
63 		return 0;
64 	}
65 }
66 
67 static int __init audit_classes_init(void)
68 {
69 #ifdef CONFIG_AUDIT_COMPAT_GENERIC
70 	audit_register_class(AUDIT_CLASS_WRITE_32, compat_write_class);
71 	audit_register_class(AUDIT_CLASS_READ_32, compat_read_class);
72 	audit_register_class(AUDIT_CLASS_DIR_WRITE_32, compat_dir_class);
73 	audit_register_class(AUDIT_CLASS_CHATTR_32, compat_chattr_class);
74 	audit_register_class(AUDIT_CLASS_SIGNAL_32, compat_signal_class);
75 #endif
76 	audit_register_class(AUDIT_CLASS_WRITE, write_class);
77 	audit_register_class(AUDIT_CLASS_READ, read_class);
78 	audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
79 	audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
80 	audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
81 	return 0;
82 }
83 
84 __initcall(audit_classes_init);
85