1 |
/* |
2 |
* main.C: Initialisation routine. |
3 |
* |
4 |
* Copyright © 2007 Pippijn van Steenhoven / The Ermyth Team |
5 |
* Rights to this code are as documented in COPYING. |
6 |
* |
7 |
* |
8 |
* Portions of this file were derived from sources bearing the following license: |
9 |
* Rights to this code are documented in doc/pod/license.pod. |
10 |
* Copyright © 2005-2007 Atheme Project (http://www.atheme.org) |
11 |
*/ |
12 |
|
13 |
static char const rcsid[] = "$Id: main.C,v 1.9 2007-09-16 18:54:45 pippijn Exp $"; |
14 |
|
15 |
#include "atheme.h" |
16 |
#include <libermyth.h> |
17 |
#include <util/time.h> |
18 |
#include "servers.h" |
19 |
#include <ermyth/database.h> |
20 |
#include <ermyth/module.h> |
21 |
#include <account/kline.h> |
22 |
#include <account/myuser.h> |
23 |
#include <account/mynick.h> |
24 |
#include <account/mychan.h> |
25 |
#include "account.h" // XXX: expire_check |
26 |
#include "uplink.h" |
27 |
#include "internal.h" |
28 |
#include "datastream.h" |
29 |
#include "authcookie.h" |
30 |
#include "connection.h" |
31 |
#include "confparse.h" |
32 |
#include <util/random.h> |
33 |
|
34 |
/* *INDENT-OFF* */ |
35 |
static void |
36 |
print_help (void) |
37 |
{ |
38 |
printf ("usage: %s [-dhnv] [-c conf] [-l logfile] [-p pidfile]\n\n" |
39 |
"-c <file> Specify the config file\n" |
40 |
"-d Start in debugging mode\n" |
41 |
"-h Print this message and exit\n" |
42 |
"-l <file> Specify the log file\n" |
43 |
"-n Don't fork into the background (log screen + log file)\n" |
44 |
"-p <file> Specify the pid file (will be overwritten)\n" |
45 |
"-v Print version information and exit\n", me.execname); |
46 |
} |
47 |
|
48 |
static void |
49 |
print_version (void) |
50 |
{ |
51 |
printf ("Ermyth IRC Services (" PACKAGE_NAME "-%s)\n" |
52 |
"Compiled %s, build %s\n\n" |
53 |
"Copyright © 2007 Pippijn van Steenhoven / The Ermyth Team\n" |
54 |
"Copyright © 2005-2007 Atheme Development Group\n" |
55 |
"Rights to this code are documented in doc/pod/license.pod.\n", |
56 |
version, creation, generation); |
57 |
} |
58 |
/* *INDENT-ON* */ |
59 |
|
60 |
static void |
61 |
db_save (void *) |
62 |
{ |
63 |
backend->save (); |
64 |
} |
65 |
|
66 |
int |
67 |
main (int argc, char *argv[], char *envp[]) |
68 |
{ |
69 |
bool have_conf = false; |
70 |
bool have_log = false; |
71 |
char buf[32]; |
72 |
int i, pid, r; |
73 |
FILE *pid_file; |
74 |
char const *pidfilename = RUNDIR "/" PACKAGE_NAME ".pid"; |
75 |
#ifdef HAVE_GETRLIMIT |
76 |
struct rlimit rlim; |
77 |
#endif |
78 |
curr_uplink = NULL; |
79 |
me.argc = argc; |
80 |
me.argv = argv; |
81 |
me.execname = argv[0]; |
82 |
|
83 |
/* Prepare gettext */ |
84 |
#ifdef ENABLE_NLS |
85 |
setlocale (LC_ALL, ""); |
86 |
bindtextdomain (PACKAGE_NAME, LOCALEDIR); |
87 |
textdomain (PACKAGE_NAME); |
88 |
#endif |
89 |
|
90 |
/* change to our local directory */ |
91 |
if (chdir (PREFIX) < 0) |
92 |
{ |
93 |
perror (PREFIX); |
94 |
return 20; |
95 |
} |
96 |
|
97 |
#ifdef HAVE_GETRLIMIT |
98 |
/* it appears certian systems *ahem*linux*ahem* |
99 |
* don't dump cores by default, so we do this here. |
100 |
*/ |
101 |
if (!getrlimit (RLIMIT_CORE, &rlim)) |
102 |
{ |
103 |
rlim.rlim_cur = rlim.rlim_max; |
104 |
setrlimit (RLIMIT_CORE, &rlim); |
105 |
} |
106 |
#endif |
107 |
|
108 |
/* do command-line options */ |
109 |
while ((r = getopt (argc, argv, "c:dhl:np:v")) != -1) |
110 |
{ |
111 |
switch (r) |
112 |
{ |
113 |
case 'c': |
114 |
config_file = sstrdup (optarg); |
115 |
have_conf = true; |
116 |
break; |
117 |
case 'd': |
118 |
log_force = true; |
119 |
break; |
120 |
case 'h': |
121 |
print_help (); |
122 |
exit (EXIT_SUCCESS); |
123 |
break; |
124 |
case 'l': |
125 |
log_path = sstrdup (optarg); |
126 |
have_log = true; |
127 |
break; |
128 |
case 'n': |
129 |
runflags |= RF_LIVE; |
130 |
break; |
131 |
case 'p': |
132 |
pidfilename = optarg; |
133 |
break; |
134 |
case 'v': |
135 |
print_version (); |
136 |
exit (EXIT_SUCCESS); |
137 |
break; |
138 |
default: |
139 |
printf ("usage: %s [-dhnv] [-c conf] [-l logfile] [-p pidfile]\n", me.execname); |
140 |
exit (EXIT_SUCCESS); |
141 |
break; |
142 |
} |
143 |
} |
144 |
|
145 |
if (have_conf == false) |
146 |
config_file = sstrdup (SYSCONFDIR "/" PACKAGE_NAME ".conf"); |
147 |
|
148 |
if (have_log == false) |
149 |
log_path = sstrdup (LOGDIR "/" PACKAGE_NAME ".log"); |
150 |
|
151 |
cold_start = true; |
152 |
|
153 |
runflags |= RF_STARTING; |
154 |
|
155 |
me.start = time_t (now ()); |
156 |
NOW = me.start; |
157 |
init_gen_rand (NOW); |
158 |
srand (gen_rand32 ()); |
159 |
me.execname = argv[0]; |
160 |
|
161 |
/* set signal handlers */ |
162 |
init_signal_handlers (); |
163 |
|
164 |
/* open log */ |
165 |
log_open (); |
166 |
|
167 |
printf ("%s: version " PACKAGE_NAME "-%s\n", me.execname, version); |
168 |
|
169 |
/* check for pid file */ |
170 |
if ((pid_file = fopen (pidfilename, "r"))) |
171 |
{ |
172 |
if (fgets (buf, 32, pid_file)) |
173 |
{ |
174 |
pid = atoi (buf); |
175 |
|
176 |
if (!kill (pid, 0)) |
177 |
{ |
178 |
fprintf (stderr, "%s: daemon is already running\n", me.execname); |
179 |
exit (EXIT_FAILURE); |
180 |
} |
181 |
} |
182 |
|
183 |
fclose (pid_file); |
184 |
} |
185 |
|
186 |
#if HAVE_UMASK |
187 |
/* file creation mask */ |
188 |
umask (077); |
189 |
#endif |
190 |
|
191 |
event_init (); |
192 |
init_dlink_nodes (); |
193 |
init_netio (); |
194 |
init_socket_queues (); |
195 |
|
196 |
init_nodes (); |
197 |
init_newconf (); |
198 |
servtree_init (); |
199 |
init_ircpacket (); |
200 |
|
201 |
conf_init (); |
202 |
if (!conf_parse (config_file)) |
203 |
{ |
204 |
slog (LG_ERROR, "Error loading config file %s, aborting", config_file); |
205 |
exit (EXIT_FAILURE); |
206 |
} |
207 |
|
208 |
authcookie_init (); |
209 |
common_ctcp_init (); |
210 |
update_chanacs_flags (); |
211 |
|
212 |
if (!database::handler::loaded) |
213 |
{ |
214 |
fprintf (stderr, "%s: no backend loaded, see your configuration file.\n", me.execname); |
215 |
exit (EXIT_FAILURE); |
216 |
} |
217 |
|
218 |
/* check our config file */ |
219 |
if (!conf_check ()) |
220 |
exit (EXIT_FAILURE); |
221 |
|
222 |
/* we've done the critical startup steps now */ |
223 |
cold_start = false; |
224 |
|
225 |
/* load our db */ |
226 |
if (database::handler::loaded) |
227 |
backend->load (); |
228 |
else |
229 |
{ |
230 |
/* XXX: We should have bailed by now! --nenolod */ |
231 |
fprintf (stderr, "%s: no backend loaded, see your configuration file.\n", me.execname); |
232 |
exit (EXIT_FAILURE); |
233 |
} |
234 |
db_check (); |
235 |
|
236 |
#ifdef HAVE_FORK |
237 |
/* fork into the background */ |
238 |
if (!(runflags & RF_LIVE)) |
239 |
{ |
240 |
close (0); |
241 |
if (open ("/dev/null", O_RDWR) != 0) |
242 |
{ |
243 |
fprintf (stderr, "%s: unable to open /dev/null??\n", me.execname); |
244 |
exit (EXIT_FAILURE); |
245 |
} |
246 |
if ((i = fork ()) < 0) |
247 |
{ |
248 |
fprintf (stderr, "%s: can't fork into the background\n", me.execname); |
249 |
exit (EXIT_FAILURE); |
250 |
} |
251 |
|
252 |
/* parent */ |
253 |
else if (i != 0) |
254 |
{ |
255 |
printf ("%s: pid %d\n", me.execname, i); |
256 |
printf ("%s: running in background mode from " PREFIX "\n", me.execname); |
257 |
exit (EXIT_SUCCESS); |
258 |
} |
259 |
|
260 |
/* parent is gone, just us now */ |
261 |
if (setsid () < 0) |
262 |
{ |
263 |
fprintf (stderr, "%s: unable to create new session\n", me.execname); |
264 |
exit (EXIT_FAILURE); |
265 |
} |
266 |
dup2 (0, 1); |
267 |
dup2 (0, 2); |
268 |
} |
269 |
else |
270 |
{ |
271 |
printf ("%s: pid %d\n", me.execname, getpid ()); |
272 |
printf ("%s: running in foreground mode from %s\n", me.execname, PREFIX); |
273 |
} |
274 |
#else |
275 |
printf ("%s: running in foreground mode from %s\n", me.execname, PREFIX); |
276 |
#endif |
277 |
|
278 |
#ifdef HAVE_GETPID |
279 |
/* write pid */ |
280 |
if ((pid_file = fopen (pidfilename, "w"))) |
281 |
{ |
282 |
fprintf (pid_file, "%d\n", getpid ()); |
283 |
fclose (pid_file); |
284 |
} |
285 |
else |
286 |
{ |
287 |
fprintf (stderr, "%s: unable to write pid file\n", me.execname); |
288 |
exit (EXIT_FAILURE); |
289 |
} |
290 |
#endif |
291 |
/* no longer starting */ |
292 |
runflags &= ~RF_STARTING; |
293 |
|
294 |
/* we probably have a few open already... */ |
295 |
me.maxfd = 3; |
296 |
|
297 |
/* DB commit interval is configurable */ |
298 |
event_add ("db_save", db_save, NULL, config_options.commit_interval); |
299 |
|
300 |
/* check expires every hour */ |
301 |
event_add ("expire_check", expire_check, NULL, 3600); |
302 |
|
303 |
/* check kline expires every minute */ |
304 |
event_add ("kline_t::expire", kline_t::expire, NULL, 60); |
305 |
|
306 |
/* check authcookie expires every ten minutes */ |
307 |
event_add ("authcookie_expire", authcookie_expire, NULL, 600); |
308 |
|
309 |
me.connected = false; |
310 |
uplink_connect (); |
311 |
|
312 |
/* main loop */ |
313 |
io_loop (); |
314 |
|
315 |
/* we're shutting down */ |
316 |
backend->save (); |
317 |
if (chansvs.me != NULL && chansvs.me->me != NULL) |
318 |
phandler->quit_sts (chansvs.me->me, "shutting down"); |
319 |
|
320 |
/* free used memory */ |
321 |
modules::cleanup (); |
322 |
operclass_cleanup (); |
323 |
soper_cleanup (); |
324 |
|
325 |
remove (pidfilename); |
326 |
errno = 0; |
327 |
if (curr_uplink != NULL && curr_uplink->conn != NULL) |
328 |
sendq_flush (curr_uplink->conn); |
329 |
connection_t::close_all (); |
330 |
|
331 |
me.connected = false; |
332 |
|
333 |
mynick_t::cleanup (); |
334 |
myuser_t::cleanup (); // XXX: this currently breaks and I don't know why |
335 |
mychan_t::cleanup (); |
336 |
|
337 |
chansvs.cleanup (); |
338 |
globsvs.cleanup (); |
339 |
opersvs.cleanup (); |
340 |
memosvs.cleanup (); |
341 |
gamesvs.cleanup (); |
342 |
nicksvs.cleanup (); |
343 |
saslsvs.cleanup (); |
344 |
|
345 |
delete phandler; |
346 |
delete backend; |
347 |
uplink_cleanup (); |
348 |
server_delete (me.me, true); |
349 |
tld_cleanup (); |
350 |
|
351 |
conf_cleanup (); |
352 |
sfree (config_file); |
353 |
sfree (log_path); |
354 |
|
355 |
#ifdef HAVE_EXECVE |
356 |
/* should we restart? */ |
357 |
if (runflags & RF_RESTART) |
358 |
{ |
359 |
slog (LG_INFO, "main(): restarting"); |
360 |
log_shutdown (); |
361 |
|
362 |
execve (me.execname, argv, envp); |
363 |
} |
364 |
#endif |
365 |
|
366 |
slog (LG_INFO, "main(): shutting down"); |
367 |
log_shutdown (); |
368 |
|
369 |
return 0; |
370 |
} |