Nostale Packet Sniffer

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <winsock2.h>

#pragma comment(lib, "ws2_32.lib")

#define PORT LOCAL_PORT

int main() {
    WSADATA wsa;
    SOCKET s, new_socket;
    struct sockaddr_in server, client;
    int c;

    printf("\nInitializing Winsock...");
    if (WSAStartup(MAKEWORD(2, 2), &wsa) != 0) {
        printf("WSAStartup failed. Error Code : %d", WSAGetLastError());
        return 1;
    }


    if ((s = socket(AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) {
        printf("Could not create socket : %d", WSAGetLastError());
    }

    server.sin_family = AF_INET;
    server.sin_addr.s_addr = INADDR_ANY;
    server.sin_port = htons(PORT);

    if (bind(s, (struct sockaddr*)&server, sizeof(server)) == SOCKET_ERROR) {
        printf("Bind failed with error code : %d", WSAGetLastError());
    }


    listen(s, 3);

    puts("Waiting for incoming connections...");
    c = sizeof(struct sockaddr_in);
    while ((new_socket = accept(s, (struct sockaddr*)&client, &c)) != INVALID_SOCKET) {
        puts("Connection accepted");

        SOCKET server_socket = socket(AF_INET, SOCK_STREAM, 0);
        if (server_socket == INVALID_SOCKET) {
            printf("Could not create socket : %d", WSAGetLastError());
            return 1;
        }
        struct sockaddr_in server_address;
        server_address.sin_family = AF_INET;
        server_address.sin_addr.s_addr = inet_addr("NOSTALE_IP_SERVER");
        server_address.sin_port = htons(NOSTALE_PORT);
        if (connect(server_socket, (struct sockaddr*)&server_address, sizeof(server_address)) < 0) {
            printf("Connection error");
            return 1;
        }

        char buffer[1024];
        int bytes_received;
        while ((bytes_received = recv(new_socket, buffer, sizeof(buffer), 0)) > 0) {
            send(server_socket, buffer, bytes_received, 0);
            memset(buffer, 0, sizeof(buffer));

            bytes_received = recv(server_socket, buffer, sizeof(buffer), 0);
            send(new_socket, buffer, bytes_received, 0);
            memset(buffer, 0, sizeof(buffer));
        }

        closesocket(server_socket);
        puts("Remote server connection closed");

        closesocket(new_socket);
        puts("Client connection closed");
    }
    WSACleanup();

    return 0;
}