| 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 2; |
| 49 | #endif |
| 50 | #ifdef __NR_openat |
| 51 | case __NR_openat: |
| 52 | return 3; |
| 53 | #endif |
| 54 | #ifdef __NR_socketcall |
| 55 | case __NR_socketcall: |
| 56 | return 4; |
| 57 | #endif |
| 58 | #ifdef __NR_execveat |
| 59 | case __NR_execveat: |
| 60 | #endif |
| 61 | case __NR_execve: |
| 62 | return 5; |
| 63 | default: |
| 64 | return 0; |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | static int __init audit_classes_init(void) |
| 69 | { |
| 70 | #ifdef CONFIG_AUDIT_COMPAT_GENERIC |
| 71 | audit_register_class(AUDIT_CLASS_WRITE_32, compat_write_class); |
| 72 | audit_register_class(AUDIT_CLASS_READ_32, compat_read_class); |
| 73 | audit_register_class(AUDIT_CLASS_DIR_WRITE_32, compat_dir_class); |
| 74 | audit_register_class(AUDIT_CLASS_CHATTR_32, compat_chattr_class); |
| 75 | audit_register_class(AUDIT_CLASS_SIGNAL_32, compat_signal_class); |
| 76 | #endif |
| 77 | audit_register_class(AUDIT_CLASS_WRITE, write_class); |
| 78 | audit_register_class(AUDIT_CLASS_READ, read_class); |
| 79 | audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class); |
| 80 | audit_register_class(AUDIT_CLASS_CHATTR, chattr_class); |
| 81 | audit_register_class(AUDIT_CLASS_SIGNAL, signal_class); |
| 82 | return 0; |
| 83 | } |
| 84 | |
| 85 | __initcall(audit_classes_init); |