--- gvpe/src/vpn.h	2003/04/02 03:25:17	1.1
+++ gvpe/src/vpn.h	2005/04/26 00:55:56	1.24
@@ -1,7 +1,10 @@
 /*
     vpn.h -- header for vpn.C
+    Copyright (C) 2003-2005 Marc Lehmann <gvpe@schmorp.de>
  
-    This program is free software; you can redistribute it and/or modify
+    This file is part of GVPE.
+
+    GVPE 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.
@@ -12,21 +15,21 @@
     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
+    along with gvpe; if not, write to the Free Software
+    Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
 
-#ifndef VPE_VPN_H__
-#define VPE_VPN_H__
+#ifndef GVPE_VPN_H__
+#define GVPE_VPN_H__
 
+#include "global.h"
 #include "conf.h"
 #include "device.h"
 #include "connection.h"
 
 struct vpn
   {
-    int udpv4_fd;
-    int ipv4_fd;
+    int udpv4_fd, tcpv4_fd, ipv4_fd, icmpv4_fd, dnsv4_fd;
 
     int events;
 
@@ -35,7 +38,7 @@
       EVENT_SHUTDOWN  = 2,
     };
 
-    void event_cb (tstamp &ts); time_watcher event;
+    void event_cb (time_watcher &w); time_watcher event;
 
     tap_device *tap;
 
@@ -43,19 +46,45 @@
     conns_vector conns;
 
     connection *find_router ();
+    connection *find_forwarder ();
 
     void reconnect_all ();
     void shutdown_all ();
-    void connect_request (int id);
 
-    void tap_ev (short revents); io_watcher tap_ev_watcher;
-    void ipv4_ev (short revents); io_watcher ipv4_ev_watcher;
-    void udpv4_ev (short revents); io_watcher udpv4_ev_watcher;
+    void tap_ev (io_watcher &w, short revents); io_watcher tap_ev_watcher;
+    void inject_data_packet (tap_packet *pkt, int dst);
+
+    void send_connect_request (int id);
 
     void recv_vpn_packet (vpn_packet *pkt, const sockinfo &rsi);
+    bool send_vpn_packet (vpn_packet *pkt, const sockinfo &si, int tos = 0);
+
+#if ENABLE_TCP
+    void tcpv4_ev (io_watcher &w, short revents); io_watcher tcpv4_ev_watcher;
+    bool send_tcpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos);
+#endif
+
+#if ENABLE_ICMP
+    void icmpv4_ev (io_watcher &w, short revents); io_watcher icmpv4_ev_watcher;
+    bool send_icmpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos);
+#endif
 
-    void send_udpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos = IPTOS_RELIABILITY);
-    void send_ipv4_packet (vpn_packet *pkt, const sockinfo &si, int tos = IPTOS_RELIABILITY);
+#if ENABLE_DNS
+    vector<struct dns_snd *> dns_sndpq;
+    sockinfo dns_forwarder;
+
+    void dnsv4_ev (io_watcher &w, short revents); io_watcher dnsv4_ev_watcher;
+    void dnsv4_server (struct dns_packet &pkt);
+    void dnsv4_client (struct dns_packet &pkt);
+
+    bool send_dnsv4_packet (vpn_packet *pkt, const sockinfo &si, int tos);
+#endif
+
+    void udpv4_ev (io_watcher &w, short revents); io_watcher udpv4_ev_watcher;
+    bool send_udpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos);
+
+    void ipv4_ev (io_watcher &w, short revents); io_watcher ipv4_ev_watcher;
+    bool send_ipv4_packet (vpn_packet *pkt, const sockinfo &si, int tos);
 
     vpn ();
     ~vpn ();
@@ -64,8 +93,12 @@
 
     void dump_status ();
 
-    const char *script_if_up (int);
+    void script_init_env ();
+    const char *script_if_init ();
+    const char *script_if_up ();
   };
 
+extern vpn network; // THE vpn
+
 #endif