static vm_prot_t get_protection()

in rcd_fishhook/rcd_fishhook.c [69:89]

• 21 lines of code
• 2 McCabe index (conditional complexity)

static vm_prot_t get_protection(void *sectionStart) {
  mach_port_t task = mach_task_self();
  vm_size_t size = 0;
  vm_address_t address = (vm_address_t)sectionStart;
  memory_object_name_t object;
#if __LP64__
  mach_msg_type_number_t count = VM_REGION_BASIC_INFO_COUNT_64;
  vm_region_basic_info_data_64_t info;
  kern_return_t info_ret = vm_region_64(
      task, &address, &size, VM_REGION_BASIC_INFO_64, (vm_region_info_64_t)&info, &count, &object);
#else
  mach_msg_type_number_t count = VM_REGION_BASIC_INFO_COUNT;
  vm_region_basic_info_data_t info;
  kern_return_t info_ret = vm_region(task, &address, &size, VM_REGION_BASIC_INFO, (vm_region_info_t)&info, &count, &object);
#endif
  if (info_ret == KERN_SUCCESS) {
    return info.protection;
  } else {
    return VM_PROT_READ;
  }
}