Files
bacnet_stack/apps/fuzz-afl/main.c
T

104 lines
3.3 KiB
C

/**
* @file
* @brief command line fuzz (data scrambling) interface for security testing
* @author Anthony Delorenzo <anthony@crystalpeaksecurity.com>
* @date 2023
* @copyright SPDX-License-Identifier: MIT
*/
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <time.h>
#include <assert.h>
/* BACnet Stack defines - first */
#include "bacnet/bacdef.h"
/* BACnet Stack API */
#include "bacnet/bactext.h"
#include "bacnet/bacerror.h"
#include "bacnet/iam.h"
#include "bacnet/arf.h"
#include "bacnet/npdu.h"
#include "bacnet/apdu.h"
#include "bacnet/version.h"
/* some demo modules we use */
#include "bacnet/basic/sys/debug.h"
#include "bacnet/basic/tsm/tsm.h"
#include "bacnet/basic/binding/address.h"
#include "bacnet/basic/services.h"
/* port agnostic file */
#include "bacport.h"
/* our datalink layers */
#include "bacnet/datalink/dlmstp.h"
#include "bacnet/datalink/bip.h"
#include "bacnet/datalink/bvlc.h"
#include "bacnet/basic/bbmd/h_bbmd.h"
// Pull in all of this...
#include "../router-mstp/main.c"
static void Init_Service_Handlers()
{
apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_WHO_IS, handler_who_is_unicast);
apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_WHO_HAS, handler_who_has);
apdu_set_unrecognized_service_handler_handler(handler_unrecognized_service);
apdu_set_confirmed_handler(SERVICE_CONFIRMED_READ_PROPERTY, handler_read_property);
apdu_set_confirmed_handler(SERVICE_CONFIRMED_READ_PROP_MULTIPLE, handler_read_property_multiple);
apdu_set_confirmed_handler(SERVICE_CONFIRMED_WRITE_PROPERTY, handler_write_property);
apdu_set_confirmed_handler(SERVICE_CONFIRMED_READ_RANGE, handler_read_range);
apdu_set_confirmed_handler(SERVICE_CONFIRMED_REINITIALIZE_DEVICE, handler_reinitialize_device);
apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_UTC_TIME_SYNCHRONIZATION, handler_timesync_utc);
apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_TIME_SYNCHRONIZATION, handler_timesync);
apdu_set_confirmed_handler(SERVICE_CONFIRMED_SUBSCRIBE_COV, handler_cov_subscribe);
apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_COV_NOTIFICATION, handler_ucov_notification);
apdu_set_confirmed_handler(SERVICE_CONFIRMED_DEVICE_COMMUNICATION_CONTROL, handler_device_communication_control);
apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_WHO_IS, handler_who_is);
apdu_set_unrecognized_service_handler_handler(handler_unrecognized_service);
apdu_set_confirmed_handler(SERVICE_CONFIRMED_READ_PROPERTY, handler_read_property);
apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_I_AM, handler_i_am_add);
}
/*
* FIXME: This is a hack to get things linking correctly
*/
extern int cov_subscribe(void) {
return 0;
}
extern int Device_Value_List_Supported(void) {
return 0;
}
extern int Encode_RR_payload(void) {
return 0;
}
extern int Device_Objects_RR_Info(void) {
return 0;
}
extern int Device_Write_Property(void) {
return 0;
}
extern int Device_Reinitialize(void) {
return 0;
}
int main(int argc, char *argv[])
{
BACNET_ADDRESS src = { 0 };
uint16_t pdu_len = 0;
Init_Service_Handlers();
pdu_len = read(0, &BIP_Rx_Buffer[0], sizeof(BIP_Rx_Buffer));
/* process fuzz input*/
if (pdu_len) {
my_routing_npdu_handler(BIP_Net, &src, &BIP_Rx_Buffer[0], pdu_len);
}
return 0;
}