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
32 int audit_classify_arch(int arch)
33 {
34 if (audit_is_compat(arch))
35 return 1;
36 else
37 return 0;
38 }
39
40 int audit_classify_syscall(int abi, unsigned syscall)
41 {
42 if (audit_is_compat(abi))
43 return audit_classify_compat_syscall(abi, syscall);
44
45 switch(syscall) {
46 #ifdef __NR_open
47 case __NR_open:
48 return AUDITSC_OPEN;
49 #endif
50 #ifdef __NR_openat
51 case __NR_openat:
52 return AUDITSC_OPENAT;
53 #endif
54 #ifdef __NR_socketcall
55 case __NR_socketcall:
56 return AUDITSC_SOCKETCALL;
57 #endif
58 #ifdef __NR_execveat
59 case __NR_execveat:
60 #endif
61 case __NR_execve:
62 return AUDITSC_EXECVE;
63 #ifdef __NR_openat2
64 case __NR_openat2:
65 return AUDITSC_OPENAT2;
66 #endif
67 default:
68 return AUDITSC_NATIVE;
69 }
70 }
71
72 static int __init audit_classes_init(void)
73 {
74 #ifdef CONFIG_AUDIT_COMPAT_GENERIC
75 audit_register_class(AUDIT_CLASS_WRITE_32, compat_write_class);
76 audit_register_class(AUDIT_CLASS_READ_32, compat_read_class);
77 audit_register_class(AUDIT_CLASS_DIR_WRITE_32, compat_dir_class);
78 audit_register_class(AUDIT_CLASS_CHATTR_32, compat_chattr_class);
79 audit_register_class(AUDIT_CLASS_SIGNAL_32, compat_signal_class);
80 #endif
81 audit_register_class(AUDIT_CLASS_WRITE, write_class);
82 audit_register_class(AUDIT_CLASS_READ, read_class);
83 audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
84 audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
85 audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
86 return 0;
87 }
88
89 __initcall(audit_classes_init);
90
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