cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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audit.c (1835B)

      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#include "audit.h"
      7
      8static unsigned dir_class[] = {
      9#include <asm-generic/audit_dir_write.h>
     10~0U
     11};
     12
     13static unsigned read_class[] = {
     14#include <asm-generic/audit_read.h>
     15~0U
     16};
     17
     18static unsigned write_class[] = {
     19#include <asm-generic/audit_write.h>
     20~0U
     21};
     22
     23static unsigned chattr_class[] = {
     24#include <asm-generic/audit_change_attr.h>
     25~0U
     26};
     27
     28static unsigned signal_class[] = {
     29#include <asm-generic/audit_signal.h>
     30~0U
     31};
     32
     33int audit_classify_arch(int arch)
     34{
     35#ifdef CONFIG_COMPAT
     36	if (arch == AUDIT_ARCH_S390)
     37		return 1;
     38#endif
     39	return 0;
     40}
     41
     42int audit_classify_syscall(int abi, unsigned syscall)
     43{
     44#ifdef CONFIG_COMPAT
     45	if (abi == AUDIT_ARCH_S390)
     46		return s390_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_COMPAT
     67	audit_register_class(AUDIT_CLASS_WRITE_32, s390_write_class);
     68	audit_register_class(AUDIT_CLASS_READ_32, s390_read_class);
     69	audit_register_class(AUDIT_CLASS_DIR_WRITE_32, s390_dir_class);
     70	audit_register_class(AUDIT_CLASS_CHATTR_32, s390_chattr_class);
     71	audit_register_class(AUDIT_CLASS_SIGNAL_32, s390_signal_class);
     72#endif
     73	audit_register_class(AUDIT_CLASS_WRITE, write_class);
     74	audit_register_class(AUDIT_CLASS_READ, read_class);
     75	audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
     76	audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
     77	audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
     78	return 0;
     79}
     80
     81__initcall(audit_classes_init);