| | 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); |
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