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

41 lines
1.5 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* cmd_retr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/11/02 15:32:28 by jhalford #+# #+# */
/* Updated: 2017/11/08 19:04:28 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
#include "ftp_server.h"
int cmd_retr(t_ftp *ftp, char **av)
{
int fd;
struct stat buf;
char *file;
int i;
char **split;
if (dconn_open(ftp) < 0)
return (-1);
if ((fd = open(av[1], O_RDONLY)) < 0 || fstat(fd, &buf) < 0)
return (ftp_ret(ftp, "550 file not found / no access"));
if (buf.st_size)
{
if ((file = mmap(NULL, buf.st_size, PROT_READ, MAP_PRIVATE, fd, 0))
== MAP_FAILED)
return (ftp_ret(ftp, "550 mmap failed"));
split = ft_strsplit(file, '\n');
i = -1;
while (split[++i])
ftp_send(ftp->d_sock, split[i]);
ft_sstrfree(split);
munmap(file, buf.st_size);
}
dconn_close(ftp);
return (0);
}