xref: /linux/arch/powerpc/kernel/audit.c (revision a1c613ae4c322ddd58d5a8539dbfba2a0380a8c0)
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 #include "audit_32.h"
8 
9 static unsigned dir_class[] = {
10 #include <asm-generic/audit_dir_write.h>
11 ~0U
12 };
13 
14 static unsigned read_class[] = {
15 #include <asm-generic/audit_read.h>
16 ~0U
17 };
18 
19 static unsigned write_class[] = {
20 #include <asm-generic/audit_write.h>
21 ~0U
22 };
23 
24 static unsigned chattr_class[] = {
25 #include <asm-generic/audit_change_attr.h>
26 ~0U
27 };
28 
29 static unsigned signal_class[] = {
30 #include <asm-generic/audit_signal.h>
31 ~0U
32 };
33 
audit_classify_arch(int arch)34 int audit_classify_arch(int arch)
35 {
36 #ifdef CONFIG_PPC64
37 	if (arch == AUDIT_ARCH_PPC)
38 		return 1;
39 #endif
40 	return 0;
41 }
42 
audit_classify_syscall(int abi,unsigned syscall)43 int audit_classify_syscall(int abi, unsigned syscall)
44 {
45 #ifdef CONFIG_PPC64
46 	if (abi == AUDIT_ARCH_PPC)
47 		return ppc32_classify_syscall(syscall);
48 #endif
49 	switch(syscall) {
50 	case __NR_open:
51 		return AUDITSC_OPEN;
52 	case __NR_openat:
53 		return AUDITSC_OPENAT;
54 	case __NR_socketcall:
55 		return AUDITSC_SOCKETCALL;
56 	case __NR_execve:
57 		return AUDITSC_EXECVE;
58 	case __NR_openat2:
59 		return AUDITSC_OPENAT2;
60 	default:
61 		return AUDITSC_NATIVE;
62 	}
63 }
64 
audit_classes_init(void)65 static int __init audit_classes_init(void)
66 {
67 #ifdef CONFIG_PPC64
68 	extern __u32 ppc32_dir_class[];
69 	extern __u32 ppc32_write_class[];
70 	extern __u32 ppc32_read_class[];
71 	extern __u32 ppc32_chattr_class[];
72 	extern __u32 ppc32_signal_class[];
73 	audit_register_class(AUDIT_CLASS_WRITE_32, ppc32_write_class);
74 	audit_register_class(AUDIT_CLASS_READ_32, ppc32_read_class);
75 	audit_register_class(AUDIT_CLASS_DIR_WRITE_32, ppc32_dir_class);
76 	audit_register_class(AUDIT_CLASS_CHATTR_32, ppc32_chattr_class);
77 	audit_register_class(AUDIT_CLASS_SIGNAL_32, ppc32_signal_class);
78 #endif
79 	audit_register_class(AUDIT_CLASS_WRITE, write_class);
80 	audit_register_class(AUDIT_CLASS_READ, read_class);
81 	audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
82 	audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
83 	audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
84 	return 0;
85 }
86 
87 __initcall(audit_classes_init);
88