1 | /* |
1 | /* |
2 | vped.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. 59 Temple Place, Suite 330, Boston, MA 02111-1307 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> |
… | |
… | |
41 | #endif |
51 | #endif |
42 | |
52 | |
43 | #include <openssl/err.h> |
53 | #include <openssl/err.h> |
44 | #include <openssl/rand.h> |
54 | #include <openssl/rand.h> |
45 | |
55 | |
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56 | #include "gettext.h" |
46 | #include "pidfile.h" |
57 | #include "pidfile.h" |
47 | |
58 | |
48 | #include "conf.h" |
59 | #include "conf.h" |
49 | #include "slog.h" |
60 | #include "slog.h" |
50 | #include "util.h" |
61 | #include "util.h" |
51 | #include "vpn.h" |
62 | #include "vpn.h" |
52 | #include "iom.h" |
63 | #include "ev_cpp.h" |
53 | |
64 | |
54 | static loglevel llevel = L_NONE; |
65 | static loglevel llevel = L_NONE; |
55 | |
66 | |
56 | /* If nonzero, display usage information and exit. */ |
67 | /* If nonzero, display usage information and exit. */ |
57 | static int show_help; |
68 | static int show_help; |
… | |
… | |
89 | " -D, --no-detach Don't fork and detach.\n" |
100 | " -D, --no-detach Don't fork and detach.\n" |
90 | " -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" |
91 | " -L, --mlock Lock tinc into main memory.\n" |
102 | " -L, --mlock Lock tinc into main memory.\n" |
92 | " --help Display this help and exit.\n" |
103 | " --help Display this help and exit.\n" |
93 | " --version Output version information and exit.\n\n")); |
104 | " --version Output version information and exit.\n\n")); |
94 | printf (_("Report bugs to <vpe@plan9.de>.\n")); |
105 | printf (_("Report bugs to <gvpe@schmorp.de>.\n")); |
95 | } |
106 | } |
96 | |
107 | |
97 | exit (status); |
108 | exit (status); |
98 | } |
109 | } |
99 | |
110 | |
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101 | parse_options (int argc, char **argv, char **envp) |
112 | parse_options (int argc, char **argv, char **envp) |
102 | { |
113 | { |
103 | int r; |
114 | int r; |
104 | int option_index = 0; |
115 | int option_index = 0; |
105 | |
116 | |
106 | while ((r = getopt_long (argc, argv, "-c:DLl:", long_options, &option_index)) != EOF) |
117 | while ((r = getopt_long (argc, argv, "c:DLl:", long_options, &option_index)) != EOF) |
107 | { |
118 | { |
108 | switch (r) |
119 | switch (r) |
109 | { |
120 | { |
110 | case 0: /* long option */ |
121 | case 0: /* long option */ |
111 | break; |
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112 | |
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113 | case 1: /* this node name */ |
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114 | thisnode = strdup (optarg); |
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115 | break; |
122 | break; |
116 | |
123 | |
117 | case 'c': /* config file */ |
124 | case 'c': /* config file */ |
118 | confbase = strdup (optarg); |
125 | confbase = strdup (optarg); |
119 | break; |
126 | break; |
… | |
… | |
164 | */ |
171 | */ |
165 | RETSIGTYPE |
172 | RETSIGTYPE |
166 | sigterm_handler (int a) |
173 | sigterm_handler (int a) |
167 | { |
174 | { |
168 | network.events |= vpn::EVENT_SHUTDOWN; |
175 | network.events |= vpn::EVENT_SHUTDOWN; |
169 | network.event.start (0); |
176 | network.event.start (); |
170 | } |
177 | } |
171 | |
178 | |
172 | RETSIGTYPE |
179 | RETSIGTYPE |
173 | sighup_handler (int a) |
180 | sighup_handler (int a) |
174 | { |
181 | { |
175 | network.events |= vpn::EVENT_RECONNECT; |
182 | network.events |= vpn::EVENT_RECONNECT; |
176 | network.event.start (0); |
183 | network.event.start (); |
177 | } |
184 | } |
178 | |
185 | |
179 | RETSIGTYPE |
186 | RETSIGTYPE |
180 | sigusr1_handler (int a) |
187 | sigusr1_handler (int a) |
181 | { |
188 | { |
… | |
… | |
196 | act.sa_flags = 0; |
203 | act.sa_flags = 0; |
197 | |
204 | |
198 | act.sa_handler = sighup_handler; sigaction (SIGHUP , &act, NULL); |
205 | act.sa_handler = sighup_handler; sigaction (SIGHUP , &act, NULL); |
199 | act.sa_handler = sigusr1_handler; sigaction (SIGUSR1, &act, NULL); |
206 | act.sa_handler = sigusr1_handler; sigaction (SIGUSR1, &act, NULL); |
200 | act.sa_handler = sigusr2_handler; sigaction (SIGUSR2, &act, NULL); |
207 | act.sa_handler = sigusr2_handler; sigaction (SIGUSR2, &act, NULL); |
201 | act.sa_handler = SIG_IGN; sigaction (SIGCHLD, &act, NULL); |
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202 | act.sa_handler = SIG_IGN; sigaction (SIGPIPE, &act, NULL); |
208 | act.sa_handler = SIG_IGN; sigaction (SIGPIPE, &act, NULL); |
203 | act.sa_flags = SA_RESETHAND; |
209 | act.sa_flags = SA_RESETHAND; |
204 | act.sa_handler = sigterm_handler; sigaction (SIGINT , &act, NULL); |
210 | act.sa_handler = sigterm_handler; sigaction (SIGINT , &act, NULL); |
205 | act.sa_handler = sigterm_handler; sigaction (SIGTERM, &act, NULL); |
211 | act.sa_handler = sigterm_handler; sigaction (SIGTERM, &act, NULL); |
206 | } |
212 | } |
… | |
… | |
218 | bindtextdomain (PACKAGE, LOCALEDIR); |
224 | bindtextdomain (PACKAGE, LOCALEDIR); |
219 | textdomain (PACKAGE); |
225 | textdomain (PACKAGE); |
220 | |
226 | |
221 | parse_options (argc, argv, envp); |
227 | parse_options (argc, argv, envp); |
222 | |
228 | |
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229 | argc -= optind; |
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230 | argv += optind; |
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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 | |
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246 | if (do_mlock) |
255 | if (do_mlock) |
247 | if (mlockall (MCL_CURRENT | MCL_FUTURE)) |
256 | if (mlockall (MCL_CURRENT | MCL_FUTURE)) |
248 | slog (L_ERR, _("system call `%s' failed: %s"), "mlockall", strerror (errno)); |
257 | slog (L_ERR, _("system call `%s' failed: %s"), "mlockall", strerror (errno)); |
249 | #endif |
258 | #endif |
250 | |
259 | |
251 | conf.read_config (true); |
260 | if (argc >= 1) |
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261 | { |
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262 | thisnode = *argv++; |
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263 | argc--; |
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264 | } |
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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 | |
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272 | { |
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273 | configuration_parser (conf, true, argc, argv); |
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274 | } |
252 | |
275 | |
253 | set_loglevel (llevel != L_NONE ? llevel : conf.llevel); |
276 | set_loglevel (llevel != L_NONE ? llevel : conf.llevel); |
254 | |
277 | |
255 | RAND_load_file ("/dev/urandom", 1024); |
278 | RAND_load_file ("/dev/urandom", 1024); |
256 | |
279 | |
257 | if (!THISNODE) |
280 | if (!THISNODE) |
258 | { |
281 | { |
259 | slog (L_ERR, _("current node not set, or node '%s' not found in configfile, specify the nodename when starting vped."), |
282 | slog (L_ERR, _("current node not set, or node '%s' not found in configfile, specify the nodename when starting gvpe."), |
260 | thisnode ? thisnode : "<unset>"); |
283 | thisnode ? thisnode : "<unset>"); |
261 | exit (EXIT_FAILURE); |
284 | exit (EXIT_FAILURE); |
262 | } |
285 | } |
263 | |
286 | |
264 | if (detach (do_detach)) |
287 | if (detach (do_detach)) |
… | |
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266 | |
289 | |
267 | setup_signals (); |
290 | setup_signals (); |
268 | |
291 | |
269 | if (!network.setup ()) |
292 | if (!network.setup ()) |
270 | { |
293 | { |
271 | io_manager::loop (); |
294 | ev_loop (EV_DEFAULT_ 0); |
272 | cleanup_and_exit (EXIT_FAILURE); |
295 | cleanup_and_exit (EXIT_FAILURE); |
273 | } |
296 | } |
274 | |
297 | |
275 | slog (L_ERR, _("unable to setup network, unrecoverable error, exiting.")); |
298 | slog (L_ERR, _("unable to setup network, unrecoverable error, exiting.")); |
276 | cleanup_and_exit (EXIT_FAILURE); |
299 | cleanup_and_exit (EXIT_FAILURE); |