xref: /openbmc/linux/arch/powerpc/kernel/audit.c (revision 4f6cce39)
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 #ifdef CONFIG_PPC64
34 	if (arch == AUDIT_ARCH_PPC)
35 		return 1;
36 #endif
37 	return 0;
38 }
39 
40 int audit_classify_syscall(int abi, unsigned syscall)
41 {
42 #ifdef CONFIG_PPC64
43 	extern int ppc32_classify_syscall(unsigned);
44 	if (abi == AUDIT_ARCH_PPC)
45 		return ppc32_classify_syscall(syscall);
46 #endif
47 	switch(syscall) {
48 	case __NR_open:
49 		return 2;
50 	case __NR_openat:
51 		return 3;
52 	case __NR_socketcall:
53 		return 4;
54 	case __NR_execve:
55 		return 5;
56 	default:
57 		return 0;
58 	}
59 }
60 
61 static int __init audit_classes_init(void)
62 {
63 #ifdef CONFIG_PPC64
64 	extern __u32 ppc32_dir_class[];
65 	extern __u32 ppc32_write_class[];
66 	extern __u32 ppc32_read_class[];
67 	extern __u32 ppc32_chattr_class[];
68 	extern __u32 ppc32_signal_class[];
69 	audit_register_class(AUDIT_CLASS_WRITE_32, ppc32_write_class);
70 	audit_register_class(AUDIT_CLASS_READ_32, ppc32_read_class);
71 	audit_register_class(AUDIT_CLASS_DIR_WRITE_32, ppc32_dir_class);
72 	audit_register_class(AUDIT_CLASS_CHATTR_32, ppc32_chattr_class);
73 	audit_register_class(AUDIT_CLASS_SIGNAL_32, ppc32_signal_class);
74 #endif
75 	audit_register_class(AUDIT_CLASS_WRITE, write_class);
76 	audit_register_class(AUDIT_CLASS_READ, read_class);
77 	audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
78 	audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
79 	audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
80 	return 0;
81 }
82 
83 __initcall(audit_classes_init);
84