Eric Lee / smarc-fsl-linux-kernel

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arch/x86/kernel/audit_64.c 1.83 KB
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  #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
  };
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  static unsigned read_class[] = {
  #include <asm-generic/audit_read.h>
  ~0U
  };
  
  static unsigned write_class[] = {
  #include <asm-generic/audit_write.h>
  ~0U
  };
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  static unsigned chattr_class[] = {
  #include <asm-generic/audit_change_attr.h>
  ~0U
  };
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  static unsigned signal_class[] = {
  #include <asm-generic/audit_signal.h>
  ~0U
  };
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  int audit_classify_arch(int arch)
  {
  #ifdef CONFIG_IA32_EMULATION
  	if (arch == AUDIT_ARCH_I386)
  		return 1;
  #endif
  	return 0;
  }
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  int audit_classify_syscall(int abi, unsigned syscall)
  {
  #ifdef CONFIG_IA32_EMULATION
  	extern int ia32_classify_syscall(unsigned);
  	if (abi == AUDIT_ARCH_I386)
  		return ia32_classify_syscall(syscall);
  #endif
  	switch(syscall) {
  	case __NR_open:
  		return 2;
  	case __NR_openat:
  		return 3;
  	case __NR_execve:
  		return 5;
  	default:
  		return 0;
  	}
  }
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  static int __init audit_classes_init(void)
  {
  #ifdef CONFIG_IA32_EMULATION
  	extern __u32 ia32_dir_class[];
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  	extern __u32 ia32_write_class[];
  	extern __u32 ia32_read_class[];
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  	extern __u32 ia32_chattr_class[];
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  	extern __u32 ia32_signal_class[];
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  	audit_register_class(AUDIT_CLASS_WRITE_32, ia32_write_class);
  	audit_register_class(AUDIT_CLASS_READ_32, ia32_read_class);
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  	audit_register_class(AUDIT_CLASS_DIR_WRITE_32, ia32_dir_class);
  	audit_register_class(AUDIT_CLASS_CHATTR_32, ia32_chattr_class);
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  	audit_register_class(AUDIT_CLASS_SIGNAL_32, ia32_signal_class);
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  #endif
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  	audit_register_class(AUDIT_CLASS_WRITE, write_class);
  	audit_register_class(AUDIT_CLASS_READ, read_class);
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  	audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
  	audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
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  	audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
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  	return 0;
  }
  
  __initcall(audit_classes_init);