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Comparing gvpe/src/vped.C (file contents):
Revision 1.1 by pcg, Sat Mar 1 15:53:03 2003 UTC vs.
Revision 1.21 by pcg, Fri Jan 21 03:05:48 2005 UTC

1/* 1/*
2 vped.C -- the main file for vped 2 vped.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 Marc Lehmannn <pcg@goof.com> 5 2003-2004 Marc Lehmann <pcg@goof.com>
6 6
7 This program is free software; you can redistribute it and/or modify 7 This program is free software; you can redistribute it and/or modify
8 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
9 the Free Software Foundation; either version 2 of the License, or 9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version. 10 (at your option) any later version.
… …
21 21
22#include "config.h" 22#include "config.h"
23 23
24#include <cstdio> 24#include <cstdio>
25#include <cstring> 25#include <cstring>
26#include <cstdlib>
27#include <locale.h>
26 28
27#include <errno.h> 29#include <errno.h>
28#include <fcntl.h> 30#include <fcntl.h>
29#include <getopt.h> 31#include <getopt.h>
30#include <signal.h> 32#include <signal.h>
31#include <sys/types.h> 33#include <sys/types.h>
32#include <unistd.h> 34#include <unistd.h>
33#include <signal.h> 35#include <signal.h>
34#include <termios.h> 36#include <termios.h>
35 37
38#if HAVE_SYS_MMAN_H
36#include <sys/mman.h> 39# include <sys/mman.h>
40#endif
37 41
42#include <openssl/err.h>
38#include <openssl/rand.h> 43#include <openssl/rand.h>
39 44
40#include "gettext.h" 45#include "gettext.h"
41#include "pidfile.h" 46#include "pidfile.h"
42 47
43#include "conf.h" 48#include "conf.h"
44#include "slog.h" 49#include "slog.h"
45#include "util.h" 50#include "util.h"
46#include "protocol.h" 51#include "vpn.h"
52#include "iom.h"
47 53
48vpn network; 54static loglevel llevel = L_NONE;
49 55
50/* If nonzero, display usage information and exit. */ 56/* If nonzero, display usage information and exit. */
51static int show_help; 57static int show_help;
52 58
53/* If nonzero, print the version on standard output and exit. */ 59/* If nonzero, print the version on standard output and exit. */
54static int show_version; 60static int show_version;
55 61
56#if HAVE_MLOCKALL
57/* If nonzero, disable swapping for this process. */ 62/* If nonzero, disable swapping for this process. */
58static int do_mlock = 0; 63static int do_mlock = 0;
59#endif
60 64
61/* If zero, don't detach from the terminal. */ 65/* If zero, don't detach from the terminal. */
62static int do_detach = 1; 66static int do_detach = 1;
63 67
64static struct option const long_options[] = 68static struct option const long_options[] =
… …
66 {"config", required_argument, NULL, 'c'}, 70 {"config", required_argument, NULL, 'c'},
67 {"help", no_argument, &show_help, 1}, 71 {"help", no_argument, &show_help, 1},
68 {"version", no_argument, &show_version, 1}, 72 {"version", no_argument, &show_version, 1},
69 {"no-detach", no_argument, &do_detach, 0}, 73 {"no-detach", no_argument, &do_detach, 0},
70 {"log-level", required_argument, NULL, 'l'}, 74 {"log-level", required_argument, NULL, 'l'},
71#if HAVE_MLOCKALL
72 {"mlock", no_argument, &do_mlock, 1}, 75 {"mlock", no_argument, &do_mlock, 1},
73#endif
74 {NULL, 0, NULL, 0} 76 {NULL, 0, NULL, 0}
75 }; 77 };
76 78
77static void 79static void
78usage (int status) 80usage (int status)
… …
118 120
119 case 'D': /* no detach */ 121 case 'D': /* no detach */
120 do_detach = 0; 122 do_detach = 0;
121 break; 123 break;
122 124
123#if HAVE_MLOCKALL
124 case 'L': /* lock into memory */ 125 case 'L': /* lock into memory */
125 do_mlock = 1; 126 do_mlock = 1;
126 break; 127 break;
127#endif
128 128
129 case 'l': /* inc debug level */ 129 case 'l': /* inc debug level */
130 { 130 {
131 loglevel l = string_to_loglevel (optarg); 131 llevel = string_to_loglevel (optarg);
132 132
133 if (l != L_NONE) 133 if (llevel == L_NONE)
134 set_loglevel (l);
135 else
136 slog (L_WARN, "'%s': %s", optarg, UNKNOWN_LOGLEVEL); 134 slog (L_WARN, "'%s': %s", optarg, UNKNOWN_LOGLEVEL);
137 } 135 }
138 break; 136 break;
139 137
140 case '?': 138 case '?':
… …
151*/ 149*/
152void cleanup_and_exit(int c) 150void cleanup_and_exit(int c)
153{ 151{
154 network.shutdown_all (); 152 network.shutdown_all ();
155 153
156 if (pidfilename) 154 if (conf.pidfilename)
157 remove_pid (pidfilename); 155 remove_pid (conf.pidfilename);
158 156
159 slog (L_INFO, _("terminating with exit code %d"), c); 157 slog (L_INFO, _("terminating with exit code %d"), c);
160 158
161 exit (c); 159 exit (c);
162} 160}
… …
166*/ 164*/
167RETSIGTYPE 165RETSIGTYPE
168sigterm_handler (int a) 166sigterm_handler (int a)
169{ 167{
170 network.events |= vpn::EVENT_SHUTDOWN; 168 network.events |= vpn::EVENT_SHUTDOWN;
169 network.event.start (0);
171} 170}
172 171
173RETSIGTYPE 172RETSIGTYPE
174sighup_handler (int a) 173sighup_handler (int a)
175{ 174{
176 network.events |= vpn::EVENT_RECONNECT; 175 network.events |= vpn::EVENT_RECONNECT;
176 network.event.start (0);
177} 177}
178 178
179RETSIGTYPE 179RETSIGTYPE
180sigusr1_handler (int a) 180sigusr1_handler (int a)
181{ 181{
182 network.dump_status ();
182} 183}
183 184
184RETSIGTYPE 185RETSIGTYPE
185sigusr2_handler (int a) 186sigusr2_handler (int a)
186{ 187{
… …
196 197
197 act.sa_handler = sighup_handler; sigaction (SIGHUP , &act, NULL); 198 act.sa_handler = sighup_handler; sigaction (SIGHUP , &act, NULL);
198 act.sa_handler = sigusr1_handler; sigaction (SIGUSR1, &act, NULL); 199 act.sa_handler = sigusr1_handler; sigaction (SIGUSR1, &act, NULL);
199 act.sa_handler = sigusr2_handler; sigaction (SIGUSR2, &act, NULL); 200 act.sa_handler = sigusr2_handler; sigaction (SIGUSR2, &act, NULL);
200 act.sa_handler = SIG_IGN; sigaction (SIGCHLD, &act, NULL); 201 act.sa_handler = SIG_IGN; sigaction (SIGCHLD, &act, NULL);
202 act.sa_handler = SIG_IGN; sigaction (SIGPIPE, &act, NULL);
201 act.sa_flags = SA_RESETHAND; 203 act.sa_flags = SA_RESETHAND;
202 act.sa_handler = sigterm_handler; sigaction (SIGINT , &act, NULL); 204 act.sa_handler = sigterm_handler; sigaction (SIGINT , &act, NULL);
203 act.sa_handler = sigterm_handler; sigaction (SIGTERM, &act, NULL); 205 act.sa_handler = sigterm_handler; sigaction (SIGTERM, &act, NULL);
204} 206}
205 207
206int 208int
207main (int argc, char **argv, char **envp) 209main (int argc, char **argv, char **envp)
208{ 210{
211 ERR_load_crypto_strings (); // we have the RAM
212
209 set_loglevel (L_INFO); 213 set_loglevel (L_INFO);
210 set_identity (argv[0]); 214 set_identity (argv[0]);
211 log_to (LOGTO_SYSLOG | LOGTO_STDERR); 215 log_to (LOGTO_SYSLOG | LOGTO_STDERR);
212 216
213 setlocale (LC_ALL, ""); 217 setlocale (LC_ALL, "");
… …
216 220
217 parse_options (argc, argv, envp); 221 parse_options (argc, argv, envp);
218 222
219 if (show_version) 223 if (show_version)
220 { 224 {
221 printf (_("%s version %s (built %s %s, protocol %d:%d)\n"), get_identity (), 225 printf (_("%s version %s (built %s %s, protocol %d.%d)\n"), get_identity (),
222 VERSION, __DATE__, __TIME__, PROTOCOL_MAJOR, PROTOCOL_MINOR); 226 VERSION, __DATE__, __TIME__, PROTOCOL_MAJOR, PROTOCOL_MINOR);
227 printf (_("Built with kernel interface %s/%s.\n"), IFTYPE, IFSUBTYPE);
223 printf (_ 228 printf (_
224 ("Copyright (C) 2003 Marc Lehmann <vpe@plan9.de> and others.\n" 229 ("Copyright (C) 2003 Marc Lehmann <vpe@plan9.de> and others.\n"
225 "See the AUTHORS file for a complete list.\n\n" 230 "See the AUTHORS file for a complete list.\n\n"
226 "tinc comes with ABSOLUTELY NO WARRANTY. This is free software,\n" 231 "tinc comes with ABSOLUTELY NO WARRANTY. This is free software,\n"
227 "and you are welcome to redistribute it under certain conditions;\n" 232 "and you are welcome to redistribute it under certain conditions;\n"
… …
235 240
236 log_to (LOGTO_SYSLOG | LOGTO_STDERR); 241 log_to (LOGTO_SYSLOG | LOGTO_STDERR);
237 242
238 /* Lock all pages into memory if requested */ 243 /* Lock all pages into memory if requested */
239 244
240#if HAVE_MLOCKALL 245#if HAVE_MLOCKALL && HAVE_SYS_MMAN_H && _POSIX_MEMLOCK
241 if (do_mlock) 246 if (do_mlock)
242 if (mlockall (MCL_CURRENT | MCL_FUTURE)) 247 if (mlockall (MCL_CURRENT | MCL_FUTURE))
243 slog (L_ERR, _("system call `%s' failed: %s"), "mlockall", strerror (errno)); 248 slog (L_ERR, _("system call `%s' failed: %s"), "mlockall", strerror (errno));
244#endif 249#endif
245 250
246 make_names ();
247 conf.read_config (true); 251 conf.read_config (true);
248 252
253 set_loglevel (llevel != L_NONE ? llevel : conf.llevel);
254
249 RAND_load_file ("/dev/urandom", 1024); 255 RAND_load_file ("/dev/urandom", 1024);
250 256
251 //OpenSSL_add_all_algorithms ();
252
253 if (!THISNODE) 257 if (!THISNODE)
254 { 258 {
255 slog (L_ERR, _("current node not set, or node '%s' not found in configfile, use the -n switch when starting vped."), 259 slog (L_ERR, _("current node not set, or node '%s' not found in configfile, specify the nodename when starting vped."),
256 thisnode ? thisnode : "<unset>"); 260 thisnode ? thisnode : "<unset>");
257 exit (1); 261 exit (EXIT_FAILURE);
258 } 262 }
259 263
260 if (detach (do_detach)) 264 if (detach (do_detach))
261 exit (0); 265 exit (EXIT_SUCCESS);
262 266
263 setup_signals (); 267 setup_signals ();
264 268
265 if (!network.setup ()) 269 if (!network.setup ())
266 { 270 {
267 network.main_loop (); 271 io_manager::loop ();
268 cleanup_and_exit (1); 272 cleanup_and_exit (EXIT_FAILURE);
269 } 273 }
270 274
271 slog (L_ERR, _("unable to setup network, unrecoverable error, exiting.")); 275 slog (L_ERR, _("unable to setup network, unrecoverable error, exiting."));
272 cleanup_and_exit (1); 276 cleanup_and_exit (EXIT_FAILURE);
273} 277}
274 278

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