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/cvs/gvpe/src/device-tincd.C
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Comparing gvpe/src/device-tincd.C (file contents):
Revision 1.3 by pcg, Tue Oct 14 15:48:15 2003 UTC vs.
Revision 1.12 by pcg, Thu Mar 3 16:54:34 2005 UTC

1/* 1/*
2 device-tincd.C -- include one of the tincd low level implementations. 2 device-tincd.C -- include one of the tincd low level implementations.
3 Copyright (C) 2003-2005 Marc Lehmann <gvpe@schmorp.de>
3 4
5 This file is part of GVPE.
6
4 This program is free software; you can redistribute it and/or modify 7 GVPE is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by 8 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or 9 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version. 10 (at your option) any later version.
8 11
9 This program is distributed in the hope that it will be useful, 12 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details. 15 GNU General Public License for more details.
13 16
14 You should have received a copy of the GNU General Public License 17 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software 18 along with gvpe; if not, write to the Free Software
16 Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17*/ 20*/
18 21
19#include <cstdio> 22#include <cstdio>
20#include <cstring> 23#include <cstring>
… …
66// will be casted to data_packet, due to structural similarity 69// will be casted to data_packet, due to structural similarity
67struct vpn_packet_t : net_packet { 70struct vpn_packet_t : net_packet {
68 u8 data[MAXSIZE]; 71 u8 data[MAXSIZE];
69}; 72};
70 73
71static tap_device *self;
72
73static bool overwrite_mac; 74static bool overwrite_mac;
74 75
75static bool 76static bool
76get_config_string(const char *key, char **res) 77get_config_string(const char *key, char **res)
77{ 78{
… …
90 91
91#define netname conf.ifname 92#define netname conf.ifname
92 93
93#if IF_linux 94#if IF_linux
94# include "tincd/linux/device.c" 95# include "tincd/linux/device.c"
96
95#elif IF_freebsd 97#elif IF_freebsd
96# include "tincd/freebsd/device.c" 98# include "tincd/freebsd/device.c"
99
97#elif IF_netbsd 100#elif IF_netbsd
101# define IF_istun 1
98# include "tincd/netbsd/device.c" 102# include "tincd/netbsd/device.c"
103
104#elif IF_openbsd
105# define IF_istun 1
106# include "tincd/openbsd/device.c"
107
99#elif IF_solaris 108#elif IF_solaris
109# define IF_istun 1
100# include "tincd/solaris/device.c" 110# include "tincd/solaris/device.c"
111
101#elif IF_cygwin 112#elif IF_cygwin
102# include "tincd/cygwin/device.c" 113# include "tincd/cygwin/device.c"
114
103#elif IF_mingw 115#elif IF_mingw
104# include "tincd/mingw/device.c" 116# include "tincd/mingw/device.c"
117
105#elif IF_darwin 118#elif IF_darwin
119# define IF_istun 1
106# include "tincd/darwin/device.c" 120# include "tincd/darwin/device.c"
121
107#elif IF_raw_socket 122#elif IF_raw_socket
123# define IF_istun 1
108# include "tincd/raw_socket/device.c" 124# include "tincd/raw_socket/device.c"
125
109#else 126#else
110# error No interface implementation for your IFTYPE/IFSUBTYPE combination. 127# error No interface implementation for your IFTYPE/IFSUBTYPE combination.
111#endif 128#endif
112 129
130#if IF_istun
131# include "ether_emu.C"
132#endif
133
113const char * 134const char *
114tap_device::info () 135tap_device::info ()
115{ 136{
116 return _("tincd compatibility layer"); 137 return _("tincd compatibility layer");
117} 138}
118 139
119tap_device::tap_device () 140tap_device::tap_device ()
120{ 141{
121 self = this; 142 device = "(null)";
122 143
123 if (setup_device ()) 144 if (setup_device ())
124 { 145 {
125 //slog (L_DEBUG, _("%s is a %s"), device, info ()); 146 slog (L_DEBUG, _("interface %s on %s initialized"), info (), device);
126 fd = device_fd; 147 fd = device_fd;
127 strcpy (ifrname, iface); 148 strcpy (ifrname, iface);
128 } 149 }
129 else 150 else
130 { 151 {
131 slog (L_ERR, _("error while configuring tincd device (%s/%s)"), device, info ()); 152 slog (L_ERR, _("error while configuring tincd device %s on %s"), info (), device);
132 exit (1); 153 exit (EXIT_FAILURE);
133 } 154 }
134} 155}
135 156
136tap_device::~tap_device () 157tap_device::~tap_device ()
137{ 158{
… …
149 slog (L_ERR, _("can't read from to %s %s: %s"), info (), DEFAULT_DEVICE, 170 slog (L_ERR, _("can't read from to %s %s: %s"), info (), DEFAULT_DEVICE,
150 strerror (errno)); 171 strerror (errno));
151 return 0; 172 return 0;
152 } 173 }
153 174
175#if IF_istun
176 // assume ipv4
177 (*pkt)[12] = 0x08;
178 (*pkt)[13] = 0x00;
179
180 if (!ether_emu.tun_to_tap (pkt))
181 {
182 delete pkt;
183 return 0;
184 }
185#endif
186
154 return pkt; 187 return pkt;
155} 188}
156 189
157void 190void
158tap_device::send (tap_packet *pkt) 191tap_device::send (tap_packet *pkt)
159{ 192{
193 if (
194#if IF_istun
195 ether_emu.tap_to_tun (pkt) &&
196#endif
160 if (!write_packet (reinterpret_cast<vpn_packet_t *>(pkt))) 197 !write_packet (reinterpret_cast<vpn_packet_t *>(pkt)))
161 slog (L_ERR, _("can't write to %s %s: %s"), info (), DEFAULT_DEVICE, 198 slog (L_ERR, _("can't write to %s %s: %s"), info (), DEFAULT_DEVICE,
162 strerror (errno)); 199 strerror (errno));
163} 200}
164 201
165 202

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