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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
#include "hacking.h"
#define PORT 7890
int main()
{
int sockfd, new_sockfd;
struct sockaddr_in host_addr, client_addr;
socklen_t sin_size;
int recv_length=1, yes=1;
char buffer[1024];
if ((sockfd = socket(PF_INET, SOCK_STREAM, 0)) == -1)
fatal("in socket");
if (setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int)) == -1) {
fatal("setting socket option SO_REUSEADDR");
}
host_addr.sin_family = AF_INET;
host_addr.sin_port = htons(PORT);
host_addr.sin_addr.s_addr = 0;
memset(&(host_addr.sin_zero), '\0', 8);
if (bind(sockfd, (struct sockaddr *)&host_addr, sizeof(struct sockaddr)) == -1) {
fatal("binding to socket");
}
if (listen(sockfd, 5) == -1) {
fatal("listening on socket");
}
while(1) {
sin_size = sizeof(struct sockaddr_in);
new_sockfd = accept(sockfd, (struct sockaddr *)&client_addr, &sin_size);
if (new_sockfd == -1) {
fatal("accepting connection");
}
printf("server got connection from %s port %d\n", inet_ntoa(client_addr.sin_addr), ntohs(client_addr.sin_port));
send(new_sockfd, "Hello, world!\n", 13, 0);
recv_length = recv(new_sockfd, &buffer, 1024, 0);
while(recv_length > 0){
printf("RECV: %d bytes\n", recv_length);
dump(buffer, recv_length);
recv_length = recv(new_sockfd, &buffer, 1024, 0);
}
close(new_sockfd);
}
return 0;
}
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