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