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/cvs/gvpe/src/device-tincd.C
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Comparing gvpe/src/device-tincd.C (file contents):
Revision 1.4 by pcg, Thu Oct 16 02:41:21 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 Marc Lehmann <pcg@goof.com> 3 Copyright (C) 2003-2005 Marc Lehmann <gvpe@schmorp.de>
4 4
5 This file is part of GVPE.
6
5 This program is free software; you can redistribute it and/or modify 7 GVPE is free software; you can redistribute it and/or modify
6 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
7 the Free Software Foundation; either version 2 of the License, or 9 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version. 10 (at your option) any later version.
9 11
10 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,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details. 15 GNU General Public License for more details.
14 16
15 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
16 along with this program; if not, write to the Free Software 18 along with gvpe; if not, write to the Free Software
17 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
18*/ 20*/
19 21
20#include <cstdio> 22#include <cstdio>
21#include <cstring> 23#include <cstring>
… …
67// will be casted to data_packet, due to structural similarity 69// will be casted to data_packet, due to structural similarity
68struct vpn_packet_t : net_packet { 70struct vpn_packet_t : net_packet {
69 u8 data[MAXSIZE]; 71 u8 data[MAXSIZE];
70}; 72};
71 73
72static tap_device *self;
73
74static bool overwrite_mac; 74static bool overwrite_mac;
75 75
76static bool 76static bool
77get_config_string(const char *key, char **res) 77get_config_string(const char *key, char **res)
78{ 78{
… …
91 91
92#define netname conf.ifname 92#define netname conf.ifname
93 93
94#if IF_linux 94#if IF_linux
95# include "tincd/linux/device.c" 95# include "tincd/linux/device.c"
96
96#elif IF_freebsd 97#elif IF_freebsd
97# include "tincd/freebsd/device.c" 98# include "tincd/freebsd/device.c"
99
98#elif IF_netbsd 100#elif IF_netbsd
101# define IF_istun 1
99# 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
100#elif IF_solaris 108#elif IF_solaris
109# define IF_istun 1
101# include "tincd/solaris/device.c" 110# include "tincd/solaris/device.c"
111
102#elif IF_cygwin 112#elif IF_cygwin
103# include "tincd/cygwin/device.c" 113# include "tincd/cygwin/device.c"
114
104#elif IF_mingw 115#elif IF_mingw
105# include "tincd/mingw/device.c" 116# include "tincd/mingw/device.c"
117
106#elif IF_darwin 118#elif IF_darwin
119# define IF_istun 1
107# include "tincd/darwin/device.c" 120# include "tincd/darwin/device.c"
121
108#elif IF_raw_socket 122#elif IF_raw_socket
123# define IF_istun 1
109# include "tincd/raw_socket/device.c" 124# include "tincd/raw_socket/device.c"
125
110#else 126#else
111# error No interface implementation for your IFTYPE/IFSUBTYPE combination. 127# error No interface implementation for your IFTYPE/IFSUBTYPE combination.
112#endif 128#endif
113 129
130#if IF_istun
131# include "ether_emu.C"
132#endif
133
114const char * 134const char *
115tap_device::info () 135tap_device::info ()
116{ 136{
117 return _("tincd compatibility layer"); 137 return _("tincd compatibility layer");
118} 138}
119 139
120tap_device::tap_device () 140tap_device::tap_device ()
121{ 141{
122 self = this; 142 device = "(null)";
123 143
124 if (setup_device ()) 144 if (setup_device ())
125 { 145 {
126 //slog (L_DEBUG, _("%s is a %s"), device, info ()); 146 slog (L_DEBUG, _("interface %s on %s initialized"), info (), device);
127 fd = device_fd; 147 fd = device_fd;
128 strcpy (ifrname, iface); 148 strcpy (ifrname, iface);
129 } 149 }
130 else 150 else
131 { 151 {
132 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);
133 exit (1); 153 exit (EXIT_FAILURE);
134 } 154 }
135} 155}
136 156
137tap_device::~tap_device () 157tap_device::~tap_device ()
138{ 158{
… …
150 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,
151 strerror (errno)); 171 strerror (errno));
152 return 0; 172 return 0;
153 } 173 }
154 174
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
155 return pkt; 187 return pkt;
156} 188}
157 189
158void 190void
159tap_device::send (tap_packet *pkt) 191tap_device::send (tap_packet *pkt)
160{ 192{
193 if (
194#if IF_istun
195 ether_emu.tap_to_tun (pkt) &&
196#endif
161 if (!write_packet (reinterpret_cast<vpn_packet_t *>(pkt))) 197 !write_packet (reinterpret_cast<vpn_packet_t *>(pkt)))
162 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,
163 strerror (errno)); 199 strerror (errno));
164} 200}
165 201
166 202

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