X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Ftnl.h;fp=src%2Ftnl.h;h=77a8b2a0c200108f6f9efc76d49a1b143fc2865a;hb=ff03bb9b0a744530e1145fef656644987a10d62d;hp=0000000000000000000000000000000000000000;hpb=56c51e94a620dd91eeb510176b9c970af9a9a372;p=tinc

diff --git a/src/tnl.h b/src/tnl.h
new file mode 100644
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--- /dev/null
+++ b/src/tnl.h
@@ -0,0 +1,116 @@
+/*
+    tnl.h -- tunnels
+
+    Copyright (C) 2003-2004 Guus Sliepen <guus@tinc-vpn.org>,
+
+    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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+    $Id$
+*/
+
+#ifndef __TNL_H__
+#define __TNL_H__
+
+#include <gnutls/gnutls.h>
+#include <gnutls/extra.h>
+
+#include "fd/fd.h"
+
+#define TNL_PROTOCOL 0
+
+#define TNL_RECORD_PACKET 0
+#define TNL_RECORD_META 1
+#define TNL_RECORD_HELLO 2
+#define TNL_RECORD_BLA 3
+
+typedef struct tnl_record {
+	uint16_t type;
+	uint16_t len;
+	char data[];
+} tnl_record_t;
+
+typedef enum tnl_status {
+	TNL_STATUS_DOWN,
+	TNL_STATUS_CONNECTING,
+	TNL_STATUS_HANDSHAKE,
+	TNL_STATUS_UP,
+} tnl_status_t;
+
+typedef struct tnl_ep_credentials {
+	gnutls_credentials_type type;
+	union {
+		gnutls_anon_client_credentials anon_client;
+		gnutls_anon_server_credentials anon_server;
+		gnutls_srp_client_credentials srp_client;
+		gnutls_srp_server_credentials srp_server;
+		gnutls_certificate_credentials certificate;
+	};
+} tnl_ep_credentials_t;		
+
+typedef struct tnl_ep_cryptoparm {
+} tnl_ep_cryptoparm_t;
+
+typedef struct tnl_ep {
+	struct sockaddr_storage address;
+	char *id;
+	char *hostname;
+	struct tnl_ep_credentials cred;
+	struct tnl_ep_cryptoparm parm;
+} tnl_ep_t;
+
+typedef struct tnl {
+	struct tnl_ep local;
+	struct tnl_ep remote;
+	int type;
+	int protocol;
+	int mtu;
+	enum tnl_status status;
+	void *data;
+
+	bool (*send_packet)(struct tnl *tnl, const void *buf, int len);
+	bool (*send_meta)(struct tnl *tnl, const void *buf, int len);
+	bool (*close)(struct tnl *tnl);
+
+	bool (*recv_packet)(struct tnl *tnl, const void *buf, int len);
+	bool (*recv_meta)(struct tnl *tnl, const void *buf, int len);
+	bool (*accept)(struct tnl *tnl);
+	bool (*error)(struct tnl *tnl, int errnum);
+
+	/* private */
+	
+	gnutls_session session;
+	struct fd fd;
+	char buf[4096];
+	int bufread;
+} tnl_t;
+
+typedef struct tnl_listen {
+	struct tnl_ep local;
+	int type;
+	int protocol;
+
+	bool (*accept)(struct tnl *tnl);
+	bool (*close)(struct tnl_listen *listener);
+
+	struct fd fd;
+} tnl_listen_t;
+
+extern bool tnl_listen(struct tnl_listen *listener);
+extern bool tnl_connect(struct tnl *tnl);
+
+extern bool tnl_ep_set_x509_credentials(tnl_ep_t *tnl_ep, const char *key, const char *certificate, const char *trust, const char *crl);
+extern bool tnl_ep_set_openpgp_credentials(tnl_ep_t *tnl_ep, const char *privkey, const char *pubkey, const char *keyring, const char *trustdb);
+
+#endif /* __TNL_H__ */