Imported Upstream version 2.2.1upstream/2.2.1

1 files changed, 86 insertions, 0 deletions

diff --git a/forward.h b/forward.h
new file mode 100644
index 0000000..17cc928
--- /dev/null
+++ b/forward.h
@@ -0,0 +1,86 @@
+/*
+ *  OpenVPN -- An application to securely tunnel IP networks
+ *             over a single TCP/UDP port, with support for SSL/TLS-based
+ *             session authentication and key exchange,
+ *             packet encryption, packet authentication, and
+ *             packet compression.
+ *
+ *  Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
+ *
+ *  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 (see the file COPYING included with this
+ *  distribution); if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef FORWARD_H
+#define FORWARD_H
+
+#include "openvpn.h"
+#include "occ.h"
+#include "ping.h"
+
+#define TUN_OUT(c)      (BLEN(&(c)->c2.to_tun) > 0)
+#define LINK_OUT(c)     (BLEN(&(c)->c2.to_link) > 0)
+#define ANY_OUT(c)      (TUN_OUT(c) || LINK_OUT(c))
+
+#ifdef ENABLE_FRAGMENT
+#define TO_LINK_FRAG(c) ((c)->c2.fragment && fragment_outgoing_defined ((c)->c2.fragment))
+#else
+#define TO_LINK_FRAG(c) (false)
+#endif
+
+#define TO_LINK_DEF(c)  (LINK_OUT(c) || TO_LINK_FRAG(c))
+
+#define IOW_TO_TUN          (1<<0)
+#define IOW_TO_LINK         (1<<1)
+#define IOW_READ_TUN        (1<<2)
+#define IOW_READ_LINK       (1<<3)
+#define IOW_SHAPER          (1<<4)
+#define IOW_CHECK_RESIDUAL  (1<<5)
+#define IOW_FRAG            (1<<6)
+#define IOW_MBUF            (1<<7)
+#define IOW_READ_TUN_FORCE  (1<<8)
+#define IOW_WAIT_SIGNAL     (1<<9)
+
+#define IOW_READ            (IOW_READ_TUN|IOW_READ_LINK)
+
+void pre_select (struct context *c);
+
+void process_io (struct context *c);
+
+void encrypt_sign (struct context *c, bool comp_frag);
+
+const char *wait_status_string (struct context *c, struct gc_arena *gc);
+void show_wait_status (struct context *c);
+
+void read_incoming_link (struct context *c);
+void process_incoming_link (struct context *c);
+void read_incoming_tun (struct context *c);
+void process_incoming_tun (struct context *c);
+void process_outgoing_link (struct context *c);
+void process_outgoing_tun (struct context *c);
+
+bool send_control_channel_string (struct context *c, const char *str, int msglevel);
+
+#define PIPV4_PASSTOS         (1<<0)
+#define PIPV4_MSSFIX          (1<<1)
+#define PIPV4_OUTGOING        (1<<2)
+#define PIPV4_EXTRACT_DHCP_ROUTER (1<<3)
+
+void process_ipv4_header (struct context *c, unsigned int flags, struct buffer *buf);
+
+#if P2MP
+void schedule_exit (struct context *c, const int n_seconds, const int signal);
+#endif
+
+#endif /* FORWARD_H */