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/cvs/gvpe/src/device-tincd.C
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Comparing gvpe/src/device-tincd.C (file contents):
Revision 1.8 by pcg, Thu Oct 16 21:12:43 2003 UTC vs.
Revision 1.21 by pcg, Thu Aug 7 17:54:26 2008 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) 2003-2008 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 it
6 it under the terms of the GNU General Public License as published by 8 under the terms of the GNU General Public License as published by the
7 the Free Software Foundation; either version 2 of the License, or 9 Free Software Foundation; either version 3 of the License, or (at your
8 (at your option) any later version. 10 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, but
11 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 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 GNU General
13 GNU General Public License for more details. 15 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 along
16 along with this program; if not, write to the Free Software 18 with this program; if not, see <http://www.gnu.org/licenses/>.
17 Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19
20 Additional permission under GNU GPL version 3 section 7
21
22 If you modify this Program, or any covered work, by linking or
23 combining it with the OpenSSL project's OpenSSL library (or a modified
24 version of that library), containing parts covered by the terms of the
25 OpenSSL or SSLeay licenses, the licensors of this Program grant you
26 additional permission to convey the resulting work. Corresponding
27 Source for a non-source form of such a combination shall include the
28 source code for the parts of OpenSSL used as well as that of the
29 covered work.
18*/ 30*/
19 31
20#include <cstdio> 32#include <cstdio>
21#include <cstring> 33#include <cstring>
22#include <cerrno> 34#include <cerrno>
… …
59#define ifdebug(subsys) if (0) 71#define ifdebug(subsys) if (0)
60 72
61#define cp() 73#define cp()
62#define lookup_config(config_tree,key) (key) 74#define lookup_config(config_tree,key) (key)
63 75
64#define MTU MAXSIZE 76#define MTU MAX_MTU
65 77
66// BIGGEST hack of 'em all 78// BIGGEST hack of 'em all
67// will be casted to data_packet, due to structural similarity 79// will be casted to data_packet, due to structural similarity
68struct vpn_packet_t : net_packet { 80struct vpn_packet_t : net_packet
81{
69 u8 data[MAXSIZE]; 82 u8 data[MAXSIZE];
70}; 83};
71 84
72static bool overwrite_mac; 85static bool overwrite_mac;
73 86
… …
76{ 89{
77 if (!strcmp (key, "Interface")) 90 if (!strcmp (key, "Interface"))
78 *res = conf.ifname; 91 *res = conf.ifname;
79 else if (!strcmp (key, "Device")) 92 else if (!strcmp (key, "Device"))
80 *res = 0; 93 *res = 0;
94 else if (!strcmp (key, "DeviceType"))
95 *res = "tap";
81 else 96 else
82 { 97 {
83 slog (L_ERR, _("tincd layer asking for unknown config '%s'"), key); 98 slog (L_ERR, _("tincd layer asking for unknown config '%s'"), key);
84 *res = 0; 99 *res = 0;
85 } 100 }
… …
89 104
90#define netname conf.ifname 105#define netname conf.ifname
91 106
92#if IF_linux 107#if IF_linux
93# include "tincd/linux/device.c" 108# include "tincd/linux/device.c"
109const char * tap_device::if_up () { return "/sbin/ifconfig $IFNAME hw ether $MAC mtu $MTU"; }
110
111#elif IF_bsd
112# include "tincd/bsd/device.c"
113const char * tap_device::if_up () { return "/sbin/ifconfig $IFNAME ether $MAC mtu $MTU"; }
94 114
95#elif IF_freebsd 115#elif IF_freebsd
96# include "tincd/freebsd/device.c" 116# include "tincd/freebsd/device.c"
117const char * tap_device::if_up () { return "/sbin/ifconfig $IFNAME ether $MAC mtu $MTU"; }
97 118
98#elif IF_netbsd 119#elif IF_netbsd
99#define IF_istun 1 120# define IF_istun 1
100# include "tincd/netbsd/device.c" 121# include "tincd/netbsd/device.c"
122const char * tap_device::if_up () { return "/sbin/ifconfig $IFNAME mtu $MTU"; }
101 123
102#elif IF_openbsd 124#elif IF_openbsd
103#define IF_istun 1 125# define IF_istun 1
104# include "tincd/openbsd/device.c" 126# include "tincd/openbsd/device.c"
127const char * tap_device::if_up () { return "/sbin/ifconfig $IFNAME mtu $MTU"; }
105 128
106#elif IF_solaris 129#elif IF_solaris
130# define IF_istun 1
107# include "tincd/solaris/device.c" 131# include "tincd/solaris/device.c"
132const char * tap_device::if_up () { return ""; }
108 133
109#elif IF_cygwin 134#elif IF_cygwin
110# include "tincd/cygwin/device.c" 135# include "tincd/cygwin/device.c"
136const char * tap_device::if_up () { return ""; }
111 137
112#elif IF_mingw 138#elif IF_mingw
113# include "tincd/mingw/device.c" 139# include "tincd/mingw/device.c"
140const char * tap_device::if_up () { return ""; }
114 141
115#elif IF_darwin 142#elif IF_darwin
116#define IF_istun 1 143# define IF_istun 1
117# include "tincd/darwin/device.c" 144# include "tincd/darwin/device.c"
145const char * tap_device::if_up () { return "/sbin/ifconfig $IFNAME ether $MAC mtu $MTU"; }
118 146
119#elif IF_raw_socket 147#elif IF_raw_socket
120#define IF_istun 1
121# include "tincd/raw_socket/device.c" 148# include "tincd/raw_socket/device.c"
149const char * tap_device::if_up () { return "/sbin/ifconfig $IFNAME ether $MAC mtu $MTU"; }
150
151#elif IF_uml_socket
152# include "tincd/uml_socket/device.c"
153const char * tap_device::if_up () { return 0; }
122 154
123#else 155#else
124# error No interface implementation for your IFTYPE/IFSUBTYPE combination. 156# error No interface implementation for your IFTYPE/IFSUBTYPE combination.
125#endif 157#endif
126 158
… …
136 168
137tap_device::tap_device () 169tap_device::tap_device ()
138{ 170{
139 device = "(null)"; 171 device = "(null)";
140 172
141 if (setup_device ()) 173 bool ok = setup_device ();
174
175 if (device_info)
176 device = device_info;
177
178 if (ok)
142 { 179 {
143 slog (L_DEBUG, _("interface %s on %s initialized"), info (), device); 180 slog (L_DEBUG, _("interface %s on %s initialized"), info (), device);
144 fd = device_fd; 181 fd = device_fd;
145 strcpy (ifrname, iface); 182 strcpy (ifrname, iface);
146 } 183 }
147 else 184 else
148 { 185 {
149 slog (L_ERR, _("error while configuring tincd device %s on %s"), info (), device); 186 slog (L_ERR, _("error while configuring tincd device %s on %s"), info (), device);
150 exit (1); 187 exit (EXIT_FAILURE);
151 } 188 }
152} 189}
153 190
154tap_device::~tap_device () 191tap_device::~tap_device ()
155{ 192{
… …
162 tap_packet *pkt = new tap_packet; 199 tap_packet *pkt = new tap_packet;
163 200
164 if (!read_packet (reinterpret_cast<vpn_packet_t *>(pkt))) 201 if (!read_packet (reinterpret_cast<vpn_packet_t *>(pkt)))
165 { 202 {
166 delete pkt; 203 delete pkt;
167 slog (L_ERR, _("can't read from to %s %s: %s"), info (), DEFAULT_DEVICE, 204 slog (L_ERR, _("can't read from to %s %s: %s"), info (), device,
168 strerror (errno)); 205 strerror (errno));
169 return 0; 206 return 0;
170 } 207 }
171 208
172#if IF_istun 209#if IF_istun
… …
190 if ( 227 if (
191#if IF_istun 228#if IF_istun
192 ether_emu.tap_to_tun (pkt) && 229 ether_emu.tap_to_tun (pkt) &&
193#endif 230#endif
194 !write_packet (reinterpret_cast<vpn_packet_t *>(pkt))) 231 !write_packet (reinterpret_cast<vpn_packet_t *>(pkt)))
195 slog (L_ERR, _("can't write to %s %s: %s"), info (), DEFAULT_DEVICE, 232 slog (L_ERR, _("can't write to %s %s: %s"), info (), device,
196 strerror (errno)); 233 strerror (errno));
197} 234}
198 235
199 236

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