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 | |
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5 | This file is part of GVPE. |
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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> |
… | |
… | |
59 | #define ifdebug(subsys) if (0) |
61 | #define ifdebug(subsys) if (0) |
60 | |
62 | |
61 | #define cp() |
63 | #define cp() |
62 | #define lookup_config(config_tree,key) (key) |
64 | #define lookup_config(config_tree,key) (key) |
63 | |
65 | |
64 | #define MTU MAXSIZE |
66 | #define MTU MAX_MTU |
65 | |
67 | |
66 | // BIGGEST hack of 'em all |
68 | // BIGGEST hack of 'em all |
67 | // will be casted to data_packet, due to structural similarity |
69 | // will be casted to data_packet, due to structural similarity |
68 | struct vpn_packet_t : net_packet { |
70 | struct vpn_packet_t : net_packet { |
69 | u8 data[MAXSIZE]; |
71 | u8 data[MAXSIZE]; |
… | |
… | |
94 | |
96 | |
95 | #elif IF_freebsd |
97 | #elif IF_freebsd |
96 | # include "tincd/freebsd/device.c" |
98 | # include "tincd/freebsd/device.c" |
97 | |
99 | |
98 | #elif IF_netbsd |
100 | #elif IF_netbsd |
99 | #define IF_istun 1 |
101 | # define IF_istun 1 |
100 | # include "tincd/netbsd/device.c" |
102 | # include "tincd/netbsd/device.c" |
101 | |
103 | |
102 | #elif IF_openbsd |
104 | #elif IF_openbsd |
103 | #define IF_istun 1 |
105 | # define IF_istun 1 |
104 | # include "tincd/openbsd/device.c" |
106 | # include "tincd/openbsd/device.c" |
105 | |
107 | |
106 | #elif IF_solaris |
108 | #elif IF_solaris |
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109 | # define IF_istun 1 |
107 | # include "tincd/solaris/device.c" |
110 | # include "tincd/solaris/device.c" |
108 | |
111 | |
109 | #elif IF_cygwin |
112 | #elif IF_cygwin |
110 | # include "tincd/cygwin/device.c" |
113 | # include "tincd/cygwin/device.c" |
111 | |
114 | |
112 | #elif IF_mingw |
115 | #elif IF_mingw |
113 | # include "tincd/mingw/device.c" |
116 | # include "tincd/mingw/device.c" |
114 | |
117 | |
115 | #elif IF_darwin |
118 | #elif IF_darwin |
116 | #define IF_istun 1 |
119 | # define IF_istun 1 |
117 | # include "tincd/darwin/device.c" |
120 | # include "tincd/darwin/device.c" |
118 | |
121 | |
119 | #elif IF_raw_socket |
122 | #elif IF_raw_socket |
120 | #define IF_istun 1 |
123 | # define IF_istun 1 |
121 | # include "tincd/raw_socket/device.c" |
124 | # include "tincd/raw_socket/device.c" |
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125 | |
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126 | #elif IF_uml_socket |
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127 | # include "tincd/uml_socket/device.c" |
122 | |
128 | |
123 | #else |
129 | #else |
124 | # error No interface implementation for your IFTYPE/IFSUBTYPE combination. |
130 | # error No interface implementation for your IFTYPE/IFSUBTYPE combination. |
125 | #endif |
131 | #endif |
126 | |
132 | |
… | |
… | |
136 | |
142 | |
137 | tap_device::tap_device () |
143 | tap_device::tap_device () |
138 | { |
144 | { |
139 | device = "(null)"; |
145 | device = "(null)"; |
140 | |
146 | |
141 | if (setup_device ()) |
147 | bool ok = setup_device (); |
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148 | |
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149 | if (device_info) |
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150 | device = device_info; |
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151 | |
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152 | if (ok) |
142 | { |
153 | { |
143 | slog (L_DEBUG, _("interface %s on %s initialized"), info (), device); |
154 | slog (L_DEBUG, _("interface %s on %s initialized"), info (), device); |
144 | fd = device_fd; |
155 | fd = device_fd; |
145 | strcpy (ifrname, iface); |
156 | strcpy (ifrname, iface); |
146 | } |
157 | } |
147 | else |
158 | else |
148 | { |
159 | { |
149 | slog (L_ERR, _("error while configuring tincd device %s on %s"), info (), device); |
160 | slog (L_ERR, _("error while configuring tincd device %s on %s"), info (), device); |
150 | exit (1); |
161 | exit (EXIT_FAILURE); |
151 | } |
162 | } |
152 | } |
163 | } |
153 | |
164 | |
154 | tap_device::~tap_device () |
165 | tap_device::~tap_device () |
155 | { |
166 | { |
… | |
… | |
162 | tap_packet *pkt = new tap_packet; |
173 | tap_packet *pkt = new tap_packet; |
163 | |
174 | |
164 | if (!read_packet (reinterpret_cast<vpn_packet_t *>(pkt))) |
175 | if (!read_packet (reinterpret_cast<vpn_packet_t *>(pkt))) |
165 | { |
176 | { |
166 | delete pkt; |
177 | delete pkt; |
167 | slog (L_ERR, _("can't read from to %s %s: %s"), info (), DEFAULT_DEVICE, |
178 | slog (L_ERR, _("can't read from to %s %s: %s"), info (), device, |
168 | strerror (errno)); |
179 | strerror (errno)); |
169 | return 0; |
180 | return 0; |
170 | } |
181 | } |
171 | |
182 | |
172 | #if IF_istun |
183 | #if IF_istun |
… | |
… | |
190 | if ( |
201 | if ( |
191 | #if IF_istun |
202 | #if IF_istun |
192 | ether_emu.tap_to_tun (pkt) && |
203 | ether_emu.tap_to_tun (pkt) && |
193 | #endif |
204 | #endif |
194 | !write_packet (reinterpret_cast<vpn_packet_t *>(pkt))) |
205 | !write_packet (reinterpret_cast<vpn_packet_t *>(pkt))) |
195 | slog (L_ERR, _("can't write to %s %s: %s"), info (), DEFAULT_DEVICE, |
206 | slog (L_ERR, _("can't write to %s %s: %s"), info (), device, |
196 | strerror (errno)); |
207 | strerror (errno)); |
197 | } |
208 | } |
198 | |
209 | |
199 | |
210 | |