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Comparing gvpe/src/device-tincd.C (file contents):
Revision 1.6 by pcg, Thu Oct 16 13:37:52 2003 UTC vs.
Revision 1.22 by root, Tue Feb 8 23:11:35 2011 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
72static tap_device *self;
73 84
74static bool overwrite_mac; 85static bool overwrite_mac;
75 86
76static bool 87static bool
77get_config_string(const char *key, char **res) 88get_config_string(const char *key, char **res)
78{ 89{
79 if (!strcmp (key, "Interface")) 90 if (!strcmp (key, "Interface"))
80 *res = conf.ifname; 91 *res = conf.ifname;
81 else if (!strcmp (key, "Device")) 92 else if (!strcmp (key, "Device"))
82 *res = 0; 93 *res = 0;
94 else if (!strcmp (key, "DeviceType"))
95 *res = "tap";
83 else 96 else
84 { 97 {
85 slog (L_ERR, _("tincd layer asking for unknown config '%s'"), key); 98 slog (L_ERR, _("tincd layer asking for unknown config '%s'"), key);
86 *res = 0; 99 *res = 0;
87 } 100 }
… …
91 104
92#define netname conf.ifname 105#define netname conf.ifname
93 106
94#if IF_linux 107#if IF_linux
95# 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"; }
96 114
97#elif IF_freebsd 115#elif IF_freebsd
98# 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"; }
99 118
100#elif IF_netbsd 119#elif IF_netbsd
101#define IF_istun 1 120# define IF_istun 1
102# include "tincd/netbsd/device.c" 121# include "tincd/netbsd/device.c"
122const char * tap_device::if_up () { return "/sbin/ifconfig $IFNAME mtu $MTU"; }
103 123
104#elif IF_openbsd 124#elif IF_openbsd
105#define IF_istun 1 125# define IF_istun 1
106# include "tincd/openbsd/device.c" 126# include "tincd/openbsd/device.c"
127const char * tap_device::if_up () { return "/sbin/ifconfig $IFNAME mtu $MTU"; }
107 128
108#elif IF_solaris 129#elif IF_solaris
130# define IF_istun 1
109# include "tincd/solaris/device.c" 131# include "tincd/solaris/device.c"
132const char * tap_device::if_up () { return ""; }
110 133
111#elif IF_cygwin 134#elif IF_cygwin
112# include "tincd/cygwin/device.c" 135# include "tincd/cygwin/device.c"
136const char * tap_device::if_up () { return ""; }
113 137
114#elif IF_mingw 138#elif IF_mingw
115# include "tincd/mingw/device.c" 139# include "tincd/mingw/device.c"
140const char * tap_device::if_up () { return ""; }
116 141
117#elif IF_darwin 142#elif IF_darwin
118#define IF_istun 1 143# define IF_istun 1
119# 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"; }
120 146
121#elif IF_raw_socket 147#elif IF_raw_socket
122#define IF_istun 1
123# 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; }
124 154
125#else 155#else
126# error No interface implementation for your IFTYPE/IFSUBTYPE combination. 156# error No interface implementation for your IFTYPE/IFSUBTYPE combination.
127#endif 157#endif
128 158
… …
136 return _("tincd compatibility layer"); 166 return _("tincd compatibility layer");
137} 167}
138 168
139tap_device::tap_device () 169tap_device::tap_device ()
140{ 170{
141 self = this; 171 device = "(null)";
142 172
143 if (setup_device ()) 173 bool ok = setup_device ();
174
175 if (device_info)
176 device = device_info;
177
178 if (ok)
144 { 179 {
145 //slog (L_DEBUG, _("%s is a %s"), device, info ()); 180 slog (L_DEBUG, _("interface %s on %s initialized"), info (), device);
146 fd = device_fd; 181 fd = device_fd;
147 strcpy (ifrname, iface); 182 strcpy (ifrname, iface);
148 } 183 }
149 else 184 else
150 { 185 {
151 slog (L_ERR, _("error while configuring tincd device (%s/%s)"), device, info ()); 186 slog (L_ERR, _("error while configuring tincd device %s on %s"), info (), device);
152 exit (1); 187 exit (EXIT_FAILURE);
153 } 188 }
154} 189}
155 190
156tap_device::~tap_device () 191tap_device::~tap_device ()
157{ 192{
… …
164 tap_packet *pkt = new tap_packet; 199 tap_packet *pkt = new tap_packet;
165 200
166 if (!read_packet (reinterpret_cast<vpn_packet_t *>(pkt))) 201 if (!read_packet (reinterpret_cast<vpn_packet_t *>(pkt)))
167 { 202 {
168 delete pkt; 203 delete pkt;
169 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,
170 strerror (errno)); 205 strerror (errno));
171 return 0; 206 return 0;
172 } 207 }
173 208
174#if IF_istun 209#if IF_istun
… …
192 if ( 227 if (
193#if IF_istun 228#if IF_istun
194 ether_emu.tap_to_tun (pkt) && 229 ether_emu.tap_to_tun (pkt) &&
195#endif 230#endif
196 !write_packet (reinterpret_cast<vpn_packet_t *>(pkt))) 231 !write_packet (reinterpret_cast<vpn_packet_t *>(pkt)))
197 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,
198 strerror (errno)); 233 strerror (errno));
199} 234}
200 235
201

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