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 audit_classify_arch(int arch)32 int audit_classify_arch(int arch) 33 { 34 #ifdef CONFIG_PPC64 35 if (arch == AUDIT_ARCH_PPC) 36 return 1; 37 #endif 38 return 0; 39 } 40 audit_classify_syscall(int abi,unsigned syscall)41 int audit_classify_syscall(int abi, unsigned syscall) 42 { 43 #ifdef CONFIG_PPC64 44 extern int ppc32_classify_syscall(unsigned); 45 if (abi == AUDIT_ARCH_PPC) 46 return ppc32_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_socketcall: 54 return 4; 55 case __NR_execve: 56 return 5; 57 default: 58 return 0; 59 } 60 } 61 audit_classes_init(void)62 static int __init audit_classes_init(void) 63 { 64 #ifdef CONFIG_PPC64 65 extern __u32 ppc32_dir_class[]; 66 extern __u32 ppc32_write_class[]; 67 extern __u32 ppc32_read_class[]; 68 extern __u32 ppc32_chattr_class[]; 69 extern __u32 ppc32_signal_class[]; 70 audit_register_class(AUDIT_CLASS_WRITE_32, ppc32_write_class); 71 audit_register_class(AUDIT_CLASS_READ_32, ppc32_read_class); 72 audit_register_class(AUDIT_CLASS_DIR_WRITE_32, ppc32_dir_class); 73 audit_register_class(AUDIT_CLASS_CHATTR_32, ppc32_chattr_class); 74 audit_register_class(AUDIT_CLASS_SIGNAL_32, ppc32_signal_class); 75 #endif 76 audit_register_class(AUDIT_CLASS_WRITE, write_class); 77 audit_register_class(AUDIT_CLASS_READ, read_class); 78 audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class); 79 audit_register_class(AUDIT_CLASS_CHATTR, chattr_class); 80 audit_register_class(AUDIT_CLASS_SIGNAL, signal_class); 81 return 0; 82 } 83 84 __initcall(audit_classes_init); 85