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 
7 static unsigned dir_class[] = {
8 #include <asm-generic/audit_dir_write.h>
9 ~0U
10 };
11 
12 static unsigned read_class[] = {
13 #include <asm-generic/audit_read.h>
14 ~0U
15 };
16 
17 static unsigned write_class[] = {
18 #include <asm-generic/audit_write.h>
19 ~0U
20 };
21 
22 static unsigned chattr_class[] = {
23 #include <asm-generic/audit_change_attr.h>
24 ~0U
25 };
26 
27 static unsigned signal_class[] = {
28 #include <asm-generic/audit_signal.h>
29 ~0U
30 };
31 
audit_classify_arch(int arch)32 int audit_classify_arch(int arch)
33 {
34 #ifdef CONFIG_PPC64
35 	if (arch == AUDIT_ARCH_PPC)
36 		return 1;
37 #endif
38 	return 0;
39 }
40 
audit_classify_syscall(int abi,unsigned syscall)41 int audit_classify_syscall(int abi, unsigned syscall)
42 {
43 #ifdef CONFIG_PPC64
44 	extern int ppc32_classify_syscall(unsigned);
45 	if (abi == AUDIT_ARCH_PPC)
46 		return ppc32_classify_syscall(syscall);
47 #endif
48 	switch(syscall) {
49 	case __NR_open:
50 		return AUDITSC_OPEN;
51 	case __NR_openat:
52 		return AUDITSC_OPENAT;
53 	case __NR_socketcall:
54 		return AUDITSC_SOCKETCALL;
55 	case __NR_execve:
56 		return AUDITSC_EXECVE;
57 	case __NR_openat2:
58 		return AUDITSC_OPENAT2;
59 	default:
60 		return AUDITSC_NATIVE;
61 	}
62 }
63 
audit_classes_init(void)64 static int __init audit_classes_init(void)
65 {
66 #ifdef CONFIG_PPC64
67 	extern __u32 ppc32_dir_class[];
68 	extern __u32 ppc32_write_class[];
69 	extern __u32 ppc32_read_class[];
70 	extern __u32 ppc32_chattr_class[];
71 	extern __u32 ppc32_signal_class[];
72 	audit_register_class(AUDIT_CLASS_WRITE_32, ppc32_write_class);
73 	audit_register_class(AUDIT_CLASS_READ_32, ppc32_read_class);
74 	audit_register_class(AUDIT_CLASS_DIR_WRITE_32, ppc32_dir_class);
75 	audit_register_class(AUDIT_CLASS_CHATTR_32, ppc32_chattr_class);
76 	audit_register_class(AUDIT_CLASS_SIGNAL_32, ppc32_signal_class);
77 #endif
78 	audit_register_class(AUDIT_CLASS_WRITE, write_class);
79 	audit_register_class(AUDIT_CLASS_READ, read_class);
80 	audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
81 	audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
82 	audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
83 	return 0;
84 }
85 
86 __initcall(audit_classes_init);
87