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authorChristian Pointner <equinox@anytun.org>2008-05-20 14:36:04 +0000
committerChristian Pointner <equinox@anytun.org>2008-05-20 14:36:04 +0000
commitb2f54ec4947b60b9d989cb887f6c62c93a738e02 (patch)
treed32b3f7427c836adfaea53e0a16fd43585e79879 /src/openvpn/ping.c
parentadded -i option to anyrtpproxy (diff)
removed openvpn source code
Diffstat (limited to 'src/openvpn/ping.c')
-rw-r--r--src/openvpn/ping.c96
1 files changed, 0 insertions, 96 deletions
diff --git a/src/openvpn/ping.c b/src/openvpn/ping.c
deleted file mode 100644
index d91af7a..0000000
--- a/src/openvpn/ping.c
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- * 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) 2002-2005 OpenVPN Solutions LLC <info@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
- */
-
-#ifdef WIN32
-#include "config-win32.h"
-#else
-#include "config.h"
-#endif
-
-#include "syshead.h"
-
-#include "ping.h"
-
-#include "memdbg.h"
-
-#include "ping-inline.h"
-
-/*
- * This random string identifies an OpenVPN ping packet.
- * It should be of sufficient length and randomness
- * so as not to collide with other tunnel data.
- *
- * PING_STRING_SIZE must be sizeof (ping_string)
- */
-const uint8_t ping_string[] = {
- 0x2a, 0x18, 0x7b, 0xf3, 0x64, 0x1e, 0xb4, 0xcb,
- 0x07, 0xed, 0x2d, 0x0a, 0x98, 0x1f, 0xc7, 0x48
-};
-
-/*
- * Should we exit or restart due to ping (or other authenticated packet)
- * not received in n seconds?
- */
-void
-check_ping_restart_dowork (struct context *c)
-{
- struct gc_arena gc = gc_new ();
- switch (c->options.ping_rec_timeout_action)
- {
- case PING_EXIT:
- msg (M_INFO, "%sInactivity timeout (--ping-exit), exiting",
- format_common_name (c, &gc));
- c->sig->signal_received = SIGTERM;
- c->sig->signal_text = "ping-exit";
- break;
- case PING_RESTART:
- msg (M_INFO, "%sInactivity timeout (--ping-restart), restarting",
- format_common_name (c, &gc));
- c->sig->signal_received = SIGUSR1; /* SOFT-SIGUSR1 -- Ping Restart */
- c->sig->signal_text = "ping-restart";
- break;
- default:
- ASSERT (0);
- }
- gc_free (&gc);
-}
-
-/*
- * Should we ping the remote?
- */
-void
-check_ping_send_dowork (struct context *c)
-{
- c->c2.buf = c->c2.buffers->aux_buf;
- ASSERT (buf_init (&c->c2.buf, FRAME_HEADROOM (&c->c2.frame)));
- ASSERT (buf_safe (&c->c2.buf, MAX_RW_SIZE_TUN (&c->c2.frame)));
- ASSERT (buf_write (&c->c2.buf, ping_string, sizeof (ping_string)));
-
- /*
- * We will treat the ping like any other outgoing packet,
- * encrypt, sign, etc.
- */
- encrypt_sign (c, true);
- dmsg (D_PACKET_CONTENT, "SENT PING");
-}