1 | /* |
1 | /* |
2 | gvpe.C -- the main file for gvpe |
2 | gvpe.C -- the main file for gvpe |
3 | Copyright (C) 1998-2002 Ivo Timmermans <ivo@o2w.nl> |
3 | Copyright (C) 1998-2002 Ivo Timmermans <ivo@o2w.nl> |
4 | 2000-2002 Guus Sliepen <guus@sliepen.eu.org> |
4 | 2000-2002 Guus Sliepen <guus@sliepen.eu.org> |
5 | 2003-2005 Marc Lehmann <gvpe@schmorp.de> |
5 | 2003-2008 Marc Lehmann <gvpe@schmorp.de> |
6 | |
6 | |
7 | This file is part of GVPE. |
7 | This file is part of GVPE. |
8 | |
8 | |
9 | GVPE is free software; you can redistribute it and/or modify |
9 | GVPE is free software; you can redistribute it and/or modify it |
10 | it under the terms of the GNU General Public License as published by |
10 | under the terms of the GNU General Public License as published by the |
11 | the Free Software Foundation; either version 2 of the License, or |
11 | Free Software Foundation; either version 3 of the License, or (at your |
12 | (at your option) any later version. |
12 | option) any later version. |
13 | |
13 | |
14 | This program is distributed in the hope that it will be useful, |
14 | This program is distributed in the hope that it will be useful, but |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
17 | GNU General Public License for more details. |
17 | Public License for more details. |
18 | |
18 | |
19 | You should have received a copy of the GNU General Public License |
19 | You should have received a copy of the GNU General Public License along |
20 | along with gvpe; if not, write to the Free Software |
20 | with this program; if not, see <http://www.gnu.org/licenses/>. |
21 | Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
21 | |
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22 | Additional permission under GNU GPL version 3 section 7 |
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23 | |
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24 | If you modify this Program, or any covered work, by linking or |
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25 | combining it with the OpenSSL project's OpenSSL library (or a modified |
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26 | version of that library), containing parts covered by the terms of the |
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27 | OpenSSL or SSLeay licenses, the licensors of this Program grant you |
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28 | additional permission to convey the resulting work. Corresponding |
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29 | Source for a non-source form of such a combination shall include the |
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30 | source code for the parts of OpenSSL used as well as that of the |
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31 | covered work. |
22 | */ |
32 | */ |
23 | |
33 | |
24 | #include "config.h" |
34 | #include "config.h" |
25 | |
35 | |
26 | #include <cstdio> |
36 | #include <cstdio> |
… | |
… | |
48 | |
58 | |
49 | #include "conf.h" |
59 | #include "conf.h" |
50 | #include "slog.h" |
60 | #include "slog.h" |
51 | #include "util.h" |
61 | #include "util.h" |
52 | #include "vpn.h" |
62 | #include "vpn.h" |
53 | #include "iom.h" |
63 | #include "ev_cpp.h" |
54 | |
64 | |
55 | static loglevel llevel = L_NONE; |
65 | static loglevel llevel = L_NONE; |
56 | |
66 | |
57 | /* If nonzero, display usage information and exit. */ |
67 | /* If nonzero, display usage information and exit. */ |
58 | static int show_help; |
68 | static int show_help; |
… | |
… | |
90 | " -D, --no-detach Don't fork and detach.\n" |
100 | " -D, --no-detach Don't fork and detach.\n" |
91 | " -l, --log-level=LEVEL Set logging level (info, notice, warn are common).\n" |
101 | " -l, --log-level=LEVEL Set logging level (info, notice, warn are common).\n" |
92 | " -L, --mlock Lock tinc into main memory.\n" |
102 | " -L, --mlock Lock tinc into main memory.\n" |
93 | " --help Display this help and exit.\n" |
103 | " --help Display this help and exit.\n" |
94 | " --version Output version information and exit.\n\n")); |
104 | " --version Output version information and exit.\n\n")); |
95 | printf (_("Report bugs to <vpe@plan9.de>.\n")); |
105 | printf (_("Report bugs to <gvpe@schmorp.de>.\n")); |
96 | } |
106 | } |
97 | |
107 | |
98 | exit (status); |
108 | exit (status); |
99 | } |
109 | } |
100 | |
110 | |
… | |
… | |
161 | */ |
171 | */ |
162 | RETSIGTYPE |
172 | RETSIGTYPE |
163 | sigterm_handler (int a) |
173 | sigterm_handler (int a) |
164 | { |
174 | { |
165 | network.events |= vpn::EVENT_SHUTDOWN; |
175 | network.events |= vpn::EVENT_SHUTDOWN; |
166 | network.event.start (0); |
176 | network.event.start (); |
167 | } |
177 | } |
168 | |
178 | |
169 | RETSIGTYPE |
179 | RETSIGTYPE |
170 | sighup_handler (int a) |
180 | sighup_handler (int a) |
171 | { |
181 | { |
172 | network.events |= vpn::EVENT_RECONNECT; |
182 | network.events |= vpn::EVENT_RECONNECT; |
173 | network.event.start (0); |
183 | network.event.start (); |
174 | } |
184 | } |
175 | |
185 | |
176 | RETSIGTYPE |
186 | RETSIGTYPE |
177 | sigusr1_handler (int a) |
187 | sigusr1_handler (int a) |
178 | { |
188 | { |
… | |
… | |
193 | act.sa_flags = 0; |
203 | act.sa_flags = 0; |
194 | |
204 | |
195 | act.sa_handler = sighup_handler; sigaction (SIGHUP , &act, NULL); |
205 | act.sa_handler = sighup_handler; sigaction (SIGHUP , &act, NULL); |
196 | act.sa_handler = sigusr1_handler; sigaction (SIGUSR1, &act, NULL); |
206 | act.sa_handler = sigusr1_handler; sigaction (SIGUSR1, &act, NULL); |
197 | act.sa_handler = sigusr2_handler; sigaction (SIGUSR2, &act, NULL); |
207 | act.sa_handler = sigusr2_handler; sigaction (SIGUSR2, &act, NULL); |
198 | act.sa_handler = SIG_IGN; sigaction (SIGCHLD, &act, NULL); |
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199 | act.sa_handler = SIG_IGN; sigaction (SIGPIPE, &act, NULL); |
208 | act.sa_handler = SIG_IGN; sigaction (SIGPIPE, &act, NULL); |
200 | act.sa_flags = SA_RESETHAND; |
209 | act.sa_flags = SA_RESETHAND; |
201 | act.sa_handler = sigterm_handler; sigaction (SIGINT , &act, NULL); |
210 | act.sa_handler = sigterm_handler; sigaction (SIGINT , &act, NULL); |
202 | act.sa_handler = sigterm_handler; sigaction (SIGTERM, &act, NULL); |
211 | act.sa_handler = sigterm_handler; sigaction (SIGTERM, &act, NULL); |
203 | } |
212 | } |
… | |
… | |
220 | argc -= optind; |
229 | argc -= optind; |
221 | argv += optind; |
230 | argv += optind; |
222 | |
231 | |
223 | if (show_version) |
232 | if (show_version) |
224 | { |
233 | { |
225 | printf (_("%s version %s (built %s %s, protocol %d.%d)\n"), get_identity (), |
234 | printf (_("%s version %s (built %s %s, protocol version %d.%d)\n"), get_identity (), |
226 | VERSION, __DATE__, __TIME__, PROTOCOL_MAJOR, PROTOCOL_MINOR); |
235 | VERSION, __DATE__, __TIME__, PROTOCOL_MAJOR, PROTOCOL_MINOR); |
227 | printf (_("Built with kernel interface %s/%s.\n"), IFTYPE, IFSUBTYPE); |
236 | printf (_("Built with kernel interface %s/%s.\n"), IFTYPE, IFSUBTYPE); |
228 | printf (_ |
237 | printf (_ |
229 | ("Copyright (C) 2003 Marc Lehmann <vpe@plan9.de> and others.\n" |
238 | ("Copyright (C) 2003-2008 Marc Lehmann <gvpe@schmorp.de> and others.\n" |
230 | "See the AUTHORS file for a complete list.\n\n" |
239 | "See the AUTHORS file for a complete list.\n\n" |
231 | "tinc comes with ABSOLUTELY NO WARRANTY. This is free software,\n" |
240 | "tinc comes with ABSOLUTELY NO WARRANTY. This is free software,\n" |
232 | "and you are welcome to redistribute it under certain conditions;\n" |
241 | "and you are welcome to redistribute it under certain conditions;\n" |
233 | "see the file COPYING for details.\n")); |
242 | "see the file COPYING for details.\n")); |
234 | |
243 | |
… | |
… | |
252 | { |
261 | { |
253 | thisnode = *argv++; |
262 | thisnode = *argv++; |
254 | argc--; |
263 | argc--; |
255 | } |
264 | } |
256 | |
265 | |
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266 | if (!ev_default_loop (0)) |
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267 | { |
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268 | slog (L_ERR, _("unable to initialise the event loop (bad $LIBEV_METHODS?)")); |
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269 | exit (EXIT_FAILURE); |
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270 | } |
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271 | |
257 | { |
272 | { |
258 | configuration_parser (conf, true, argc, argv); |
273 | configuration_parser (conf, true, argc, argv); |
259 | } |
274 | } |
260 | |
275 | |
261 | set_loglevel (llevel != L_NONE ? llevel : conf.llevel); |
276 | set_loglevel (llevel != L_NONE ? llevel : conf.llevel); |
… | |
… | |
274 | |
289 | |
275 | setup_signals (); |
290 | setup_signals (); |
276 | |
291 | |
277 | if (!network.setup ()) |
292 | if (!network.setup ()) |
278 | { |
293 | { |
279 | io_manager::loop (); |
294 | ev_loop (EV_DEFAULT_ 0); |
280 | cleanup_and_exit (EXIT_FAILURE); |
295 | cleanup_and_exit (EXIT_FAILURE); |
281 | } |
296 | } |
282 | |
297 | |
283 | slog (L_ERR, _("unable to setup network, unrecoverable error, exiting.")); |
298 | slog (L_ERR, _("unable to setup network, unrecoverable error, exiting.")); |
284 | cleanup_and_exit (EXIT_FAILURE); |
299 | cleanup_and_exit (EXIT_FAILURE); |