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/* Send/receive data-connection addresses
Copyright (C) 1997, 1998 Free Software Foundation, Inc.
Written by Miles Bader <miles@gnu.ai.mit.edu>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2, or (at
your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <unistd.h>
#include <errno.h>
#include <netinet/in.h>
#include <ftpconn.h>
#include "priv.h"
error_t
ftp_conn_get_pasv_addr (struct ftp_conn *conn, struct sockaddr **addr)
{
int reply;
const char *txt;
error_t err = ftp_conn_cmd_reopen (conn, "pasv", 0, &reply, &txt);
if (! err)
{
if (reply == REPLY_PASV_OK)
err = (*(conn->syshooks.pasv_addr ?: ftp_conn_unix_pasv_addr))
(conn, txt, addr);
else
err = unexpected_reply (conn, reply, txt, 0);
}
return err;
}
error_t
ftp_conn_send_actv_addr (struct ftp_conn *conn, struct sockaddr *addr)
{
error_t err;
if (addr == 0)
err = EINVAL;
else if (addr->sa_family != AF_INET)
err = EAFNOSUPPORT;
else
{
char buf[50];
int reply;
unsigned char *a =
(unsigned char *)&((struct sockaddr_in *)addr)->sin_addr.s_addr;
unsigned char *p =
(unsigned char *)&((struct sockaddr_in *)addr)->sin_port;
snprintf (buf, sizeof buf, "%d,%d,%d,%d,%d,%d",
a[0], a[1], a[2], a[3], p[0], p[1]);
err = ftp_conn_cmd_reopen (conn, "port", buf, &reply, 0);
if (! err)
{
if (reply == REPLY_OK)
err = 0;
else
err = unexpected_reply (conn, reply, 0, 0);
}
}
return err;
}
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