Eric Lee / smarc-fsl-linux-kernel

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lib/audit.c 1.77 KB
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81f7e3824   Eric Lee   Initial Release, ... 
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  // SPDX-License-Identifier: GPL-2.0
  #include <linux/init.h>
  #include <linux/types.h>
  #include <linux/audit.h>
  #include <asm/unistd.h>
  
  static unsigned dir_class[] = {
  #include <asm-generic/audit_dir_write.h>
  ~0U
  };
  
  static unsigned read_class[] = {
  #include <asm-generic/audit_read.h>
  ~0U
  };
  
  static unsigned write_class[] = {
  #include <asm-generic/audit_write.h>
  ~0U
  };
  
  static unsigned chattr_class[] = {
  #include <asm-generic/audit_change_attr.h>
  ~0U
  };
  
  static unsigned signal_class[] = {
  #include <asm-generic/audit_signal.h>
  ~0U
  };
  
  int audit_classify_arch(int arch)
  {
  	if (audit_is_compat(arch))
  		return 1;
  	else
  		return 0;
  }
  
  int audit_classify_syscall(int abi, unsigned syscall)
  {
  	if (audit_is_compat(abi))
  		return audit_classify_compat_syscall(abi, syscall);
  
  	switch(syscall) {
  #ifdef __NR_open
  	case __NR_open:
  		return 2;
  #endif
  #ifdef __NR_openat
  	case __NR_openat:
  		return 3;
  #endif
  #ifdef __NR_socketcall
  	case __NR_socketcall:
  		return 4;
  #endif
  #ifdef __NR_execveat
  	case __NR_execveat:
  #endif
  	case __NR_execve:
  		return 5;
  	default:
  		return 0;
  	}
  }
  
  static int __init audit_classes_init(void)
  {
  #ifdef CONFIG_AUDIT_COMPAT_GENERIC
  	audit_register_class(AUDIT_CLASS_WRITE_32, compat_write_class);
  	audit_register_class(AUDIT_CLASS_READ_32, compat_read_class);
  	audit_register_class(AUDIT_CLASS_DIR_WRITE_32, compat_dir_class);
  	audit_register_class(AUDIT_CLASS_CHATTR_32, compat_chattr_class);
  	audit_register_class(AUDIT_CLASS_SIGNAL_32, compat_signal_class);
  #endif
  	audit_register_class(AUDIT_CLASS_WRITE, write_class);
  	audit_register_class(AUDIT_CLASS_READ, read_class);
  	audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
  	audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
  	audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
  	return 0;
  }
  
  __initcall(audit_classes_init);