/*
 * 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 of
 * the License, 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., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */
#ifndef VSF_TWOPROCESS_H
#define VSF_TWOPROCESS_H

struct mystr;
struct vsf_session;

/* vsf_two_process_start()
 * PURPOSE
 * Called to start FTP login processing using the two process model. This
 * launches the unprivileged child to process the FTP login.
 * PARAMETERS
 * p_sess       - the current session object
 */
void vsf_two_process_start(struct vsf_session* p_sess);

/* vsf_two_process_login()
 * PURPOSE
 * Called to propose a login using the two process model.
 * PARAMETERS
 * p_sess       - the current session object
 * p_pass_str   - the proposed password
 */
void vsf_two_process_login(struct vsf_session* p_sess,
                           const struct mystr* p_pass_str);

/* vsf_two_process_get_priv_data_sock()
 * PURPOSE
 * Get a privileged port 20 bound data socket using the two process model.
 * PARAMETERS
 * p_sess       - the current session object
 * RETURNS
 * The file descriptor of the privileged socket
 */
int vsf_two_process_get_priv_data_sock(struct vsf_session* p_sess);

/* vsf_two_process_chown_upload()
 * PURPOSE
 * Change ownership of an uploaded file using the two process model.
 * PARAMETERS
 * p_sess       - the current session object
 * fd           - the file descriptor to change ownership on
 */
void vsf_two_process_chown_upload(struct vsf_session* p_sess, int fd);

#endif /* VSF_TWOPROCESS_H */