42-archive/ftp/srcs/server.c
2017-04-03 17:25:07 +02:00

53 lines
1.6 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* server.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/04/02 15:02:48 by jhalford #+# #+# */
/* Updated: 2017/04/03 16:42:49 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
#include "ft_p.h"
#define FTP_SERVER_USAGE "%s <port>"
char **g_av = NULL;
int create_server(int port)
{
int sock;
struct protoent *proto;
struct sockaddr_in sin;
if (!(proto = getprotobyname("tcp")))
return (-1);
sock = socket(PF_INET, SOCK_STREAM, proto->p_proto);
sin.sin_family = AF_INET;
sin.sin_port = htons(port);
sin.sin_addr.s_addr = htonl(INADDR_ANY);
if (bind(sock, (const struct sockaddr *)&sin, sizeof(sin)) < 0)
return (-1);
listen(sock, 2);
return (sock);
}
int main(int ac, char **av)
{
int port;
int sock;
g_av = av;
if (ac != 2)
ft_usage(FTP_SERVER_USAGE, av[0]);
port = ft_atoi(av[1]);
if ((sock = create_server(port)) < 0)
{
perror(av[0]);
return (1);
}
ftp_daemon(sock);
return (0);
}