show warning if hcxdumptool is running on a shared interface

Author: =

hcxdumptool.c

@@ -5913,6 +5913,7 @@ fprintf(stdout, "\nThis is a highly experimental penetration testing tool!\n"
 		"Not understanding what you were doing is not going to work as an excuse!\n\n");
 if(vmflag == false) fprintf(stdout, "Failed to set virtual MAC!\n");
 if((bpf.len == 0) && (rcascanmode == 0)) fprintf(stderr, "BPF is unset! Make sure hcxdumptool is running in a 100%% controlled environment!\n\n");
+if((ifakttype & IF_IS_SHARED) == IF_IS_SHARED) fprintf(stderr, "Warning:\n%s is running on a shared interface!\nThis is not recommended because it leads to unwanted behavor!\n\n", basename(argv[0]));
 fprintf(stdout, "starting...\033[?25l\n");
 nanosleep(&tspecifo, &tspeciforem);
 
@@ -5964,8 +5965,8 @@ if((monitormodeflag == true) || (interfacelistflag == true) || (interfaceinfofla
 fprintf(stdout, "\n\033[?25h");
 fprintf(stdout, "%u Packet(s) captured by kernel\n", lStats.tp_packets);
 fprintf(stdout, "%u Packet(s) dropped by kernel\n", lStats.tp_drops);
-if(errorcount > 0) fprintf(stderr, "%u ERROR(s) during runtime (mostly caused by a broken driver)\n", errorcount);
-if(errortxcount > 0) fprintf(stderr, "%u TX ERROR(s) during runtime (mostly caused by a broken driver)\n", errortxcount);
+if(errorcount > 0) fprintf(stderr, "%u ERROR(s) during runtime (mostly caused by a broken driver or a shared interface)\n", errorcount);
+if(errortxcount > 0) fprintf(stderr, "%u TX ERROR(s) during runtime (mostly caused by a broken driver or a shared interface)\n", errortxcount);
 if(rcascanmode == RCASCAN_ACTIVE)
 	{
 	if(beaconrcascancount == 0) fprintf(stderr, "0 BEACONs received (monitor mode is possibly not working)\n");