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 (2037B)

      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);