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 | #include <asm/audit.h> |
7 | |
8 | static unsigned dir_class[] = { |
9 | #include <asm-generic/audit_dir_write.h> |
10 | ~0U |
11 | }; |
12 | |
13 | static unsigned read_class[] = { |
14 | #include <asm-generic/audit_read.h> |
15 | ~0U |
16 | }; |
17 | |
18 | static unsigned write_class[] = { |
19 | #include <asm-generic/audit_write.h> |
20 | ~0U |
21 | }; |
22 | |
23 | static unsigned chattr_class[] = { |
24 | #include <asm-generic/audit_change_attr.h> |
25 | ~0U |
26 | }; |
27 | |
28 | static unsigned signal_class[] = { |
29 | #include <asm-generic/audit_signal.h> |
30 | ~0U |
31 | }; |
32 | |
33 | int audit_classify_arch(int arch) |
34 | { |
35 | #ifdef CONFIG_IA32_EMULATION |
36 | if (arch == AUDIT_ARCH_I386) |
37 | return 1; |
38 | #endif |
39 | return 0; |
40 | } |
41 | |
42 | int audit_classify_syscall(int abi, unsigned syscall) |
43 | { |
44 | #ifdef CONFIG_IA32_EMULATION |
45 | if (abi == AUDIT_ARCH_I386) |
46 | return ia32_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_execve: |
54 | case __NR_execveat: |
55 | return AUDITSC_EXECVE; |
56 | case __NR_openat2: |
57 | return AUDITSC_OPENAT2; |
58 | default: |
59 | return AUDITSC_NATIVE; |
60 | } |
61 | } |
62 | |
63 | static int __init audit_classes_init(void) |
64 | { |
65 | #ifdef CONFIG_IA32_EMULATION |
66 | audit_register_class(AUDIT_CLASS_WRITE_32, list: ia32_write_class); |
67 | audit_register_class(AUDIT_CLASS_READ_32, list: ia32_read_class); |
68 | audit_register_class(AUDIT_CLASS_DIR_WRITE_32, list: ia32_dir_class); |
69 | audit_register_class(AUDIT_CLASS_CHATTR_32, list: ia32_chattr_class); |
70 | audit_register_class(AUDIT_CLASS_SIGNAL_32, list: ia32_signal_class); |
71 | #endif |
72 | audit_register_class(AUDIT_CLASS_WRITE, list: write_class); |
73 | audit_register_class(AUDIT_CLASS_READ, list: read_class); |
74 | audit_register_class(AUDIT_CLASS_DIR_WRITE, list: dir_class); |
75 | audit_register_class(AUDIT_CLASS_CHATTR, list: chattr_class); |
76 | audit_register_class(AUDIT_CLASS_SIGNAL, list: signal_class); |
77 | return 0; |
78 | } |
79 | |
80 | __initcall(audit_classes_init); |
81 | |