LXR linux/arch/powerpc/kernel/audit.c

   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
   7static unsigned dir_class[] = {
   8#include <asm-generic/audit_dir_write.h>
   9~0U
  10};
  11
  12static unsigned read_class[] = {
  13#include <asm-generic/audit_read.h>
  14~0U
  15};
  16
  17static unsigned write_class[] = {
  18#include <asm-generic/audit_write.h>
  19~0U
  20};
  21
  22static unsigned chattr_class[] = {
  23#include <asm-generic/audit_change_attr.h>
  24~0U
  25};
  26
  27static unsigned signal_class[] = {
  28#include <asm-generic/audit_signal.h>
  29~0U
  30};
  31
  32int 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
  41int 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 AUDITSC_OPEN;
  51        case __NR_openat:
  52                return AUDITSC_OPENAT;
  53        case __NR_socketcall:
  54                return AUDITSC_SOCKETCALL;
  55        case __NR_execve:
  56                return AUDITSC_EXECVE;
  57        case __NR_openat2:
  58                return AUDITSC_OPENAT2;
  59        default:
  60                return AUDITSC_NATIVE;
  61        }
  62}
  63
  64static int __init audit_classes_init(void)
  65{
  66#ifdef CONFIG_PPC64
  67        extern __u32 ppc32_dir_class[];
  68        extern __u32 ppc32_write_class[];
  69        extern __u32 ppc32_read_class[];
  70        extern __u32 ppc32_chattr_class[];
  71        extern __u32 ppc32_signal_class[];
  72        audit_register_class(AUDIT_CLASS_WRITE_32, ppc32_write_class);
  73        audit_register_class(AUDIT_CLASS_READ_32, ppc32_read_class);
  74        audit_register_class(AUDIT_CLASS_DIR_WRITE_32, ppc32_dir_class);
  75        audit_register_class(AUDIT_CLASS_CHATTR_32, ppc32_chattr_class);
  76        audit_register_class(AUDIT_CLASS_SIGNAL_32, ppc32_signal_class);
  77#endif
  78        audit_register_class(AUDIT_CLASS_WRITE, write_class);
  79        audit_register_class(AUDIT_CLASS_READ, read_class);
  80        audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
  81        audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
  82        audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
  83        return 0;
  84}
  85
  86__initcall(audit_classes_init);
  87