OpenVPN
ps.h
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1 /*
2  * OpenVPN -- An application to securely tunnel IP networks
3  * over a single TCP/UDP port, with support for SSL/TLS-based
4  * session authentication and key exchange,
5  * packet encryption, packet authentication, and
6  * packet compression.
7  *
8  * Copyright (C) 2002-2018 OpenVPN Inc <sales@openvpn.net>
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License version 2
12  * as published by the Free Software Foundation.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License along
20  * with this program; if not, write to the Free Software Foundation, Inc.,
21  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22  */
23 
24 #ifndef PS_H
25 #define PS_H
26 
27 #if PORT_SHARE
28 
29 #include "basic.h"
30 #include "buffer.h"
31 #include "ssl.h"
32 
33 typedef void (*post_fork_cleanup_func_t)(void *arg);
34 
35 struct port_share {
36  /* Foreground's socket to background process */
37  socket_descriptor_t foreground_fd;
38 
39  /* Process ID of background process */
40  pid_t background_pid;
41 };
42 
43 extern struct port_share *port_share;
44 
45 struct port_share *port_share_open(const char *host,
46  const char *port,
47  const int max_initial_buf,
48  const char *journal_dir);
49 
50 void port_share_close(struct port_share *ps);
51 
52 void port_share_abort(struct port_share *ps);
53 
54 bool is_openvpn_protocol(const struct buffer *buf);
55 
56 void port_share_redirect(struct port_share *ps, const struct buffer *head, socket_descriptor_t sd);
57 
58 #endif /* if PORT_SHARE */
59 #endif /* ifndef PS_H */
SOCKET socket_descriptor_t
Definition: syshead.h:488
Wrapper structure for dynamically allocated memory.
Definition: buffer.h:60