1 | /* |
1 | /* |
2 | vped.C -- the main file for vped |
2 | vped.C -- the main file for vped |
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 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> |
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26 | #include <clocale> |
26 | |
27 | |
27 | #include <errno.h> |
28 | #include <errno.h> |
28 | #include <fcntl.h> |
29 | #include <fcntl.h> |
29 | #include <getopt.h> |
30 | #include <getopt.h> |
30 | #include <signal.h> |
31 | #include <signal.h> |
31 | #include <sys/types.h> |
32 | #include <sys/types.h> |
32 | #include <unistd.h> |
33 | #include <unistd.h> |
33 | #include <signal.h> |
34 | #include <signal.h> |
34 | #include <termios.h> |
35 | #include <termios.h> |
35 | |
36 | |
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37 | #if HAVE_SYS_MMAN_H |
36 | #include <sys/mman.h> |
38 | # include <sys/mman.h> |
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39 | #endif |
37 | |
40 | |
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41 | #include <openssl/err.h> |
38 | #include <openssl/rand.h> |
42 | #include <openssl/rand.h> |
39 | |
43 | |
40 | #include "gettext.h" |
44 | #include "gettext.h" |
41 | #include "pidfile.h" |
45 | #include "pidfile.h" |
42 | |
46 | |
… | |
… | |
44 | #include "slog.h" |
48 | #include "slog.h" |
45 | #include "util.h" |
49 | #include "util.h" |
46 | #include "vpn.h" |
50 | #include "vpn.h" |
47 | #include "iom.h" |
51 | #include "iom.h" |
48 | |
52 | |
49 | vpn network; |
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50 | |
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51 | static loglevel llevel = L_NONE; |
53 | static loglevel llevel = L_NONE; |
52 | |
54 | |
53 | /* If nonzero, display usage information and exit. */ |
55 | /* If nonzero, display usage information and exit. */ |
54 | static int show_help; |
56 | static int show_help; |
55 | |
57 | |
56 | /* If nonzero, print the version on standard output and exit. */ |
58 | /* If nonzero, print the version on standard output and exit. */ |
57 | static int show_version; |
59 | static int show_version; |
58 | |
60 | |
59 | #if HAVE_MLOCKALL |
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60 | /* If nonzero, disable swapping for this process. */ |
61 | /* If nonzero, disable swapping for this process. */ |
61 | static int do_mlock = 0; |
62 | static int do_mlock = 0; |
62 | #endif |
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63 | |
63 | |
64 | /* If zero, don't detach from the terminal. */ |
64 | /* If zero, don't detach from the terminal. */ |
65 | static int do_detach = 1; |
65 | static int do_detach = 1; |
66 | |
66 | |
67 | static struct option const long_options[] = |
67 | static struct option const long_options[] = |
… | |
… | |
69 | {"config", required_argument, NULL, 'c'}, |
69 | {"config", required_argument, NULL, 'c'}, |
70 | {"help", no_argument, &show_help, 1}, |
70 | {"help", no_argument, &show_help, 1}, |
71 | {"version", no_argument, &show_version, 1}, |
71 | {"version", no_argument, &show_version, 1}, |
72 | {"no-detach", no_argument, &do_detach, 0}, |
72 | {"no-detach", no_argument, &do_detach, 0}, |
73 | {"log-level", required_argument, NULL, 'l'}, |
73 | {"log-level", required_argument, NULL, 'l'}, |
74 | #if HAVE_MLOCKALL |
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75 | {"mlock", no_argument, &do_mlock, 1}, |
74 | {"mlock", no_argument, &do_mlock, 1}, |
76 | #endif |
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77 | {NULL, 0, NULL, 0} |
75 | {NULL, 0, NULL, 0} |
78 | }; |
76 | }; |
79 | |
77 | |
80 | static void |
78 | static void |
81 | usage (int status) |
79 | usage (int status) |
… | |
… | |
121 | |
119 | |
122 | case 'D': /* no detach */ |
120 | case 'D': /* no detach */ |
123 | do_detach = 0; |
121 | do_detach = 0; |
124 | break; |
122 | break; |
125 | |
123 | |
126 | #if HAVE_MLOCKALL |
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127 | case 'L': /* lock into memory */ |
124 | case 'L': /* lock into memory */ |
128 | do_mlock = 1; |
125 | do_mlock = 1; |
129 | break; |
126 | break; |
130 | #endif |
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131 | |
127 | |
132 | case 'l': /* inc debug level */ |
128 | case 'l': /* inc debug level */ |
133 | { |
129 | { |
134 | llevel = string_to_loglevel (optarg); |
130 | llevel = string_to_loglevel (optarg); |
135 | |
131 | |
… | |
… | |
209 | } |
205 | } |
210 | |
206 | |
211 | int |
207 | int |
212 | main (int argc, char **argv, char **envp) |
208 | main (int argc, char **argv, char **envp) |
213 | { |
209 | { |
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210 | ERR_load_crypto_strings (); // we have the RAM |
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211 | |
214 | set_loglevel (L_INFO); |
212 | set_loglevel (L_INFO); |
215 | set_identity (argv[0]); |
213 | set_identity (argv[0]); |
216 | log_to (LOGTO_SYSLOG | LOGTO_STDERR); |
214 | log_to (LOGTO_SYSLOG | LOGTO_STDERR); |
217 | |
215 | |
218 | setlocale (LC_ALL, ""); |
216 | setlocale (LC_ALL, ""); |
… | |
… | |
223 | |
221 | |
224 | if (show_version) |
222 | if (show_version) |
225 | { |
223 | { |
226 | printf (_("%s version %s (built %s %s, protocol %d.%d)\n"), get_identity (), |
224 | printf (_("%s version %s (built %s %s, protocol %d.%d)\n"), get_identity (), |
227 | VERSION, __DATE__, __TIME__, PROTOCOL_MAJOR, PROTOCOL_MINOR); |
225 | VERSION, __DATE__, __TIME__, PROTOCOL_MAJOR, PROTOCOL_MINOR); |
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226 | printf (_("Built with kernel interface %s/%s.\n"), IFTYPE, IFSUBTYPE); |
228 | printf (_ |
227 | printf (_ |
229 | ("Copyright (C) 2003 Marc Lehmann <vpe@plan9.de> and others.\n" |
228 | ("Copyright (C) 2003 Marc Lehmann <vpe@plan9.de> and others.\n" |
230 | "See the AUTHORS file for a complete list.\n\n" |
229 | "See the AUTHORS file for a complete list.\n\n" |
231 | "tinc comes with ABSOLUTELY NO WARRANTY. This is free software,\n" |
230 | "tinc comes with ABSOLUTELY NO WARRANTY. This is free software,\n" |
232 | "and you are welcome to redistribute it under certain conditions;\n" |
231 | "and you are welcome to redistribute it under certain conditions;\n" |
… | |
… | |
240 | |
239 | |
241 | log_to (LOGTO_SYSLOG | LOGTO_STDERR); |
240 | log_to (LOGTO_SYSLOG | LOGTO_STDERR); |
242 | |
241 | |
243 | /* Lock all pages into memory if requested */ |
242 | /* Lock all pages into memory if requested */ |
244 | |
243 | |
245 | #if HAVE_MLOCKALL |
244 | #if HAVE_MLOCKALL && HAVE_SYS_MMAN_H && _POSIX_MEMLOCK |
246 | if (do_mlock) |
245 | if (do_mlock) |
247 | if (mlockall (MCL_CURRENT | MCL_FUTURE)) |
246 | if (mlockall (MCL_CURRENT | MCL_FUTURE)) |
248 | slog (L_ERR, _("system call `%s' failed: %s"), "mlockall", strerror (errno)); |
247 | slog (L_ERR, _("system call `%s' failed: %s"), "mlockall", strerror (errno)); |
249 | #endif |
248 | #endif |
250 | |
249 | |