audit.c 1.7 KB

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  1. #include <linux/init.h>
  2. #include <linux/types.h>
  3. #include <linux/audit.h>
  4. #include <asm/unistd.h>
  5. static unsigned dir_class[] = {
  6. #include <asm-generic/audit_dir_write.h>
  7. ~0U
  8. };
  9. static unsigned read_class[] = {
  10. #include <asm-generic/audit_read.h>
  11. ~0U
  12. };
  13. static unsigned write_class[] = {
  14. #include <asm-generic/audit_write.h>
  15. ~0U
  16. };
  17. static unsigned chattr_class[] = {
  18. #include <asm-generic/audit_change_attr.h>
  19. ~0U
  20. };
  21. static unsigned signal_class[] = {
  22. #include <asm-generic/audit_signal.h>
  23. ~0U
  24. };
  25. int audit_classify_syscall(int abi, unsigned syscall)
  26. {
  27. #ifdef CONFIG_IA32_EMULATION
  28. extern int ia32_classify_syscall(unsigned);
  29. if (abi == AUDIT_ARCH_I386)
  30. return ia32_classify_syscall(syscall);
  31. #endif
  32. switch(syscall) {
  33. case __NR_open:
  34. return 2;
  35. case __NR_openat:
  36. return 3;
  37. case __NR_execve:
  38. return 5;
  39. default:
  40. return 0;
  41. }
  42. }
  43. static int __init audit_classes_init(void)
  44. {
  45. #ifdef CONFIG_IA32_EMULATION
  46. extern __u32 ia32_dir_class[];
  47. extern __u32 ia32_write_class[];
  48. extern __u32 ia32_read_class[];
  49. extern __u32 ia32_chattr_class[];
  50. extern __u32 ia32_signal_class[];
  51. audit_register_class(AUDIT_CLASS_WRITE_32, ia32_write_class);
  52. audit_register_class(AUDIT_CLASS_READ_32, ia32_read_class);
  53. audit_register_class(AUDIT_CLASS_DIR_WRITE_32, ia32_dir_class);
  54. audit_register_class(AUDIT_CLASS_CHATTR_32, ia32_chattr_class);
  55. audit_register_class(AUDIT_CLASS_SIGNAL_32, ia32_signal_class);
  56. #endif
  57. audit_register_class(AUDIT_CLASS_WRITE, write_class);
  58. audit_register_class(AUDIT_CLASS_READ, read_class);
  59. audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
  60. audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
  61. audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
  62. return 0;
  63. }
  64. __initcall(audit_classes_init);