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 #include "audit_32.h" 8 9 static unsigned dir_class[] = { 10 #include <asm-generic/audit_dir_write.h> 11 ~0U 12 }; 13 14 static unsigned read_class[] = { 15 #include <asm-generic/audit_read.h> 16 ~0U 17 }; 18 19 static unsigned write_class[] = { 20 #include <asm-generic/audit_write.h> 21 ~0U 22 }; 23 24 static unsigned chattr_class[] = { 25 #include <asm-generic/audit_change_attr.h> 26 ~0U 27 }; 28 29 static unsigned signal_class[] = { 30 #include <asm-generic/audit_signal.h> 31 ~0U 32 }; 33 34 int audit_classify_arch(int arch) 35 { 36 #ifdef CONFIG_PPC64 37 if (arch == AUDIT_ARCH_PPC) 38 return 1; 39 #endif 40 return 0; 41 } 42 43 int audit_classify_syscall(int abi, unsigned syscall) 44 { 45 #ifdef CONFIG_PPC64 46 if (abi == AUDIT_ARCH_PPC) 47 return ppc32_classify_syscall(syscall); 48 #endif 49 switch(syscall) { 50 case __NR_open: 51 return AUDITSC_OPEN; 52 case __NR_openat: 53 return AUDITSC_OPENAT; 54 case __NR_socketcall: 55 return AUDITSC_SOCKETCALL; 56 case __NR_execve: 57 return AUDITSC_EXECVE; 58 case __NR_openat2: 59 return AUDITSC_OPENAT2; 60 default: 61 return AUDITSC_NATIVE; 62 } 63 } 64 65 static int __init audit_classes_init(void) 66 { 67 #ifdef CONFIG_PPC64 68 extern __u32 ppc32_dir_class[]; 69 extern __u32 ppc32_write_class[]; 70 extern __u32 ppc32_read_class[]; 71 extern __u32 ppc32_chattr_class[]; 72 extern __u32 ppc32_signal_class[]; 73 audit_register_class(AUDIT_CLASS_WRITE_32, ppc32_write_class); 74 audit_register_class(AUDIT_CLASS_READ_32, ppc32_read_class); 75 audit_register_class(AUDIT_CLASS_DIR_WRITE_32, ppc32_dir_class); 76 audit_register_class(AUDIT_CLASS_CHATTR_32, ppc32_chattr_class); 77 audit_register_class(AUDIT_CLASS_SIGNAL_32, ppc32_signal_class); 78 #endif 79 audit_register_class(AUDIT_CLASS_WRITE, write_class); 80 audit_register_class(AUDIT_CLASS_READ, read_class); 81 audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class); 82 audit_register_class(AUDIT_CLASS_CHATTR, chattr_class); 83 audit_register_class(AUDIT_CLASS_SIGNAL, signal_class); 84 return 0; 85 } 86 87 __initcall(audit_classes_init); 88