51 lines
1.1 KiB
C
51 lines
1.1 KiB
C
//
|
|
// Created by k0rb4k on 22/04/2021.
|
|
//
|
|
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#include <arpa/inet.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
|
|
int main(int argc, char *argv[]) {
|
|
struct sockaddr_in server;
|
|
int sock;
|
|
|
|
server.sin_family = AF_INET;
|
|
server.sin_addr.s_addr = inet_addr("127.0.0.1");
|
|
server.sin_port = htons(17);
|
|
|
|
sock = socket(server.sin_family, SOCK_STREAM, IPPROTO_IP);
|
|
if (sock == -1) {
|
|
puts("socket not created");
|
|
return 1;
|
|
}
|
|
puts("socket created");
|
|
|
|
if (connect(sock, (const struct sockaddr *) &server, sizeof(server)) < 0) {
|
|
puts("connection failed");
|
|
return 2;
|
|
}
|
|
puts("connected to server");
|
|
|
|
char *payload = "I dream of sushi";
|
|
if (send(sock, payload, strlen(payload), 0) < 0) {
|
|
puts("error while sending payload");
|
|
return 3;
|
|
}
|
|
puts("payload sent");
|
|
|
|
char response[2048];
|
|
if (recv(sock, response, 2048, 0) < 0) {
|
|
puts("receive failed");
|
|
return 4;
|
|
}
|
|
printf("server response : %s\n", response);
|
|
|
|
close(sock);
|
|
|
|
return 0;
|
|
} |