Passion

#include 
#include 
#include 
#include 

#define BUFSIZE 1024
#define PORT      80

void ErrorHandling(char *message);


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

	WSADATA wsaData;
	SOCKET hSocket;
	char message[BUFSIZE];
	int len, i, option, result = 0;
	SOCKADDR_IN servAddr;
	struct hostent *host; 
		char *lists[] = {0,};  
	

#if 0
	if(argc!=2) {
		Usuage(argv[0]);	
	}
#endif

#if 1
	if(WSAStartup(MAKEWORD(2, 2), &wsaData) !=0)
		ErrorHandling("WSAStartup() error!");
#endif
	
	for(i=0; i<4; i++) {

		host = gethostbyname(lists[i]);

		printf("trying to connect %s...\n", lists[i]);
#if 1
	 hSocket=socket(PF_INET, SOCK_STREAM, 0);
	 if(hSocket == INVALID_SOCKET)
		ErrorHandling("socket() error");
#endif

	 option = TRUE;

     setsockopt(hSocket, SOL_SOCKET, SO_REUSEADDR, (char *)&option, sizeof(option));
	
	 memset(&servAddr, 0, sizeof(servAddr));
	 servAddr.sin_family = AF_INET;
	 servAddr.sin_addr.s_addr = inet_addr(inet_ntoa( *(struct in_addr*)host->h_addr_list[0]));
	 servAddr.sin_port = htons(PORT);

	if(connect(hSocket, (SOCKADDR*)&servAddr, sizeof(servAddr)) == SOCKET_ERROR)
		ErrorHandling("connect() error!");

	//sprintf(message, "GET /index.html HTTP/1.1");
	sprintf(message, "hello");

	send(hSocket, message, strlen(message), 0);
	
#if 1
	len=recv(hSocket, message, BUFSIZE-1, 0);
	message[len] = 0;
	if(len == -1) {
		printf("Can`t connect %s.\n", lists[i]);
		result--;
	}
	if(len > 0) {
		printf("Success.connected to %s.\n", lists[i]);
		result++;
	}
	closesocket(hSocket);
#endif
	}

	if(result > 2) {
		printf("This machine seems to be clean\n");
	}
	else if (result <2 && result >0)
		printf("Warning. This machine needs to be other inspection.\n");
	else {
		printf("Infected!. Need some help.\n");
	}

	WSACleanup();
	return 0;
}


void ErrorHandling(char *message)
{
	fputs(message, stderr);
	fputc( '\n', stderr);
	exit(1);
}