42-archive/ftp/srcs/server/crlf.c

93 lines
2.5 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* crlf.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/11/08 19:52:07 by jhalford #+# #+# */
/* Updated: 2017/11/10 17:51:32 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
#include "ftp_server.h"
/*
** stream mode with file structure --> raw data no EOF
*/
int ftp_recvraw(int sock, char **msg)
{
int ret;
char buf[1024];
if ((ret = recv(sock, buf, 1024, 0)) <= 0)
return (-1);
buf[ret] = 0;
console_msg(2, "%-5i<--- raw msg '%s' (%i)", getpid(), buf, ret);
*msg = ft_strdup(buf);
return (0);
}
int ftp_recv(int sock, char **msg)
{
int ret;
char buf[1024];
if ((ret = recv(sock, buf, 1024, 0)) < 0)
return (ret);
if (ret == 0)
{
console_msg(0, "%-5i client terminated", getpid());
exit(0);
}
buf[ret] = 0;
if (buf[ret - 1] == '\n' && buf[ret - 2] == '\r')
buf[ret - 2] = 0;
else
{
console_msg(2, "recv'd non-crlf message '%s'", buf);
return (1);
}
*msg = ft_strdup(buf);
console_msg(0, "%-5i<--- %s", getpid(), buf);
return (0);
}
int ftp_sendraw(int sock, char *msg, ...)
{
int err;
char *tmp;
va_list ap;
va_start(ap, msg);
ft_vasprintf(&tmp, msg, ap);
if ((err = send(sock, tmp, ft_strlen(tmp), 0)) < 0)
{
console_msg(1, "%-5i---> send error '%s'", getpid(), tmp);
return (err);
}
console_msg(0, "%-5i---> %s", getpid(), tmp);
ft_strdel(&tmp);
return (ft_atoi(msg));
}
int ftp_send(int sock, char *msg, ...)
{
int err;
char *crlf_tmp;
char *crlf_msg;
va_list ap;
va_start(ap, msg);
ft_vasprintf(&crlf_tmp, msg, ap);
crlf_msg = ft_strjoin(crlf_tmp, "\r\n");
if ((err = send(sock, crlf_msg, ft_strlen(crlf_msg), 0)) < 0)
{
console_msg(1, "%-5i---> send error '%s'", getpid(), crlf_tmp);
return (err);
}
console_msg(0, "%-5i---> %s", getpid(), crlf_tmp);
ft_strdel(&crlf_tmp);
ft_strdel(&crlf_msg);
return (ft_atoi(msg));
}