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Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +01001// SPDX-License-Identifier: GPL-2.0
Al Virob9155432006-07-01 03:56:16 -04002#include <linux/init.h>
3#include <linux/types.h>
4#include <linux/audit.h>
5#include <asm/unistd.h>
6
7static unsigned dir_class[] = {
8#include <asm-generic/audit_dir_write.h>
9~0U
10};
11
Al Virodc104fb2006-08-31 19:05:56 -040012static unsigned read_class[] = {
13#include <asm-generic/audit_read.h>
14~0U
15};
16
17static unsigned write_class[] = {
18#include <asm-generic/audit_write.h>
19~0U
20};
21
Al Virob9155432006-07-01 03:56:16 -040022static unsigned chattr_class[] = {
23#include <asm-generic/audit_change_attr.h>
24~0U
25};
26
Amy Griffis7f13da42007-03-29 18:00:37 -040027static unsigned signal_class[] = {
28#include <asm-generic/audit_signal.h>
29~0U
30};
31
Amy Griffise54dc242007-03-29 18:01:04 -040032int audit_classify_arch(int arch)
33{
34#ifdef CONFIG_IA32_EMULATION
35 if (arch == AUDIT_ARCH_I386)
36 return 1;
37#endif
38 return 0;
39}
40
Al Viro55669bf2006-08-31 19:26:40 -040041int audit_classify_syscall(int abi, unsigned syscall)
42{
43#ifdef CONFIG_IA32_EMULATION
44 extern int ia32_classify_syscall(unsigned);
45 if (abi == AUDIT_ARCH_I386)
46 return ia32_classify_syscall(syscall);
47#endif
48 switch(syscall) {
49 case __NR_open:
50 return 2;
51 case __NR_openat:
52 return 3;
53 case __NR_execve:
David Drysdale27d6ec72014-12-12 16:57:33 -080054 case __NR_execveat:
Al Viro55669bf2006-08-31 19:26:40 -040055 return 5;
56 default:
57 return 0;
58 }
59}
60
Al Virob9155432006-07-01 03:56:16 -040061static int __init audit_classes_init(void)
62{
63#ifdef CONFIG_IA32_EMULATION
64 extern __u32 ia32_dir_class[];
Al Virodc104fb2006-08-31 19:05:56 -040065 extern __u32 ia32_write_class[];
66 extern __u32 ia32_read_class[];
Al Virob9155432006-07-01 03:56:16 -040067 extern __u32 ia32_chattr_class[];
Amy Griffis7f13da42007-03-29 18:00:37 -040068 extern __u32 ia32_signal_class[];
Al Virodc104fb2006-08-31 19:05:56 -040069 audit_register_class(AUDIT_CLASS_WRITE_32, ia32_write_class);
70 audit_register_class(AUDIT_CLASS_READ_32, ia32_read_class);
Al Virob9155432006-07-01 03:56:16 -040071 audit_register_class(AUDIT_CLASS_DIR_WRITE_32, ia32_dir_class);
72 audit_register_class(AUDIT_CLASS_CHATTR_32, ia32_chattr_class);
Amy Griffis7f13da42007-03-29 18:00:37 -040073 audit_register_class(AUDIT_CLASS_SIGNAL_32, ia32_signal_class);
Al Virob9155432006-07-01 03:56:16 -040074#endif
Al Virodc104fb2006-08-31 19:05:56 -040075 audit_register_class(AUDIT_CLASS_WRITE, write_class);
76 audit_register_class(AUDIT_CLASS_READ, read_class);
Al Virob9155432006-07-01 03:56:16 -040077 audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
78 audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
Amy Griffis7f13da42007-03-29 18:00:37 -040079 audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
Al Virob9155432006-07-01 03:56:16 -040080 return 0;
81}
82
83__initcall(audit_classes_init);