예제 #1
0
파일: privops.c 프로젝트: AllardJ/Tomato
int
vsf_privop_accept_pasv(struct vsf_session* p_sess)
{
  struct vsf_sysutil_sockaddr* p_accept_addr = 0;
  int remote_fd;
  vsf_sysutil_sockaddr_alloc(&p_accept_addr);
  remote_fd = vsf_sysutil_accept_timeout(p_sess->pasv_listen_fd, p_accept_addr,
                                         tunable_accept_timeout);
  if (vsf_sysutil_retval_is_error(remote_fd))
  {
    vsf_sysutil_sockaddr_clear(&p_accept_addr);
    return -1;
  }
  /* SECURITY:
   * Reject the connection if it wasn't from the same IP as the
   * control connection.
   */
  if (!tunable_pasv_promiscuous)
  {
    if (!vsf_sysutil_sockaddr_addr_equal(p_sess->p_remote_addr, p_accept_addr))
    {
      vsf_sysutil_close(remote_fd);
      vsf_sysutil_sockaddr_clear(&p_accept_addr);
      return -2;
    }
  }
  vsf_sysutil_sockaddr_clear(&p_accept_addr);
  return remote_fd;
}
예제 #2
0
int
vsf_ftpdataio_get_pasv_fd(struct vsf_session* p_sess)
{
  int remote_fd;
  struct vsf_sysutil_sockaddr* p_accept_addr = 0;
  vsf_sysutil_sockaddr_alloc(&p_accept_addr);
  remote_fd = vsf_sysutil_accept_timeout(p_sess->pasv_listen_fd, p_accept_addr,
                                         tunable_accept_timeout);
  if (vsf_sysutil_retval_is_error(remote_fd))
  {
    vsf_cmdio_write(p_sess, FTP_BADSENDCONN,
                    "Failed to establish connection.");
    vsf_sysutil_sockaddr_clear(&p_accept_addr);
    return remote_fd;
  }
  /* SECURITY:
   * Reject the connection if it wasn't from the same IP as the
   * control connection.
   */
  if (!tunable_pasv_promiscuous)
  {
    if (!vsf_sysutil_sockaddr_addr_equal(p_sess->p_remote_addr, p_accept_addr))
    {
      vsf_cmdio_write(p_sess, FTP_BADSENDCONN, "Security: Bad IP connecting.");
      vsf_sysutil_close(remote_fd);
      vsf_sysutil_sockaddr_clear(&p_accept_addr);
      return -1;
    }
  }
  vsf_sysutil_sockaddr_clear(&p_accept_addr);
  init_data_sock_params(p_sess, remote_fd);
  vsf_sysutil_set_lfp(remote_fd);
  return remote_fd;
}
예제 #3
0
static void
port_cleanup(struct vsf_session* p_sess)
{
  vsf_sysutil_sockaddr_clear(&p_sess->p_port_sockaddr);
}