1 |
adx |
30 |
/* |
2 |
|
|
* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). |
3 |
|
|
* ircd.c: Starts up and runs the ircd. |
4 |
|
|
* |
5 |
|
|
* Copyright (C) 2002 by the past and present ircd coders, and others. |
6 |
|
|
* |
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 |
9 |
|
|
* the Free Software Foundation; either version 2 of the License, or |
10 |
|
|
* (at your option) any later version. |
11 |
|
|
* |
12 |
|
|
* This program is distributed in the hope that it will be useful, |
13 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 |
|
|
* GNU General Public License for more details. |
16 |
|
|
* |
17 |
|
|
* You should have received a copy of the GNU General Public License |
18 |
|
|
* along with this program; if not, write to the Free Software |
19 |
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
20 |
|
|
* USA |
21 |
|
|
* |
22 |
knight |
31 |
* $Id$ |
23 |
adx |
30 |
*/ |
24 |
|
|
|
25 |
|
|
#include "stdinc.h" |
26 |
|
|
#include "s_user.h" |
27 |
|
|
#include "tools.h" |
28 |
|
|
#include "ircd.h" |
29 |
|
|
#include "channel.h" |
30 |
|
|
#include "channel_mode.h" |
31 |
|
|
#include "client.h" |
32 |
|
|
#include "common.h" |
33 |
|
|
#include "event.h" |
34 |
|
|
#include "fdlist.h" |
35 |
|
|
#include "hash.h" |
36 |
|
|
#include "irc_string.h" |
37 |
|
|
#include "sprintf_irc.h" |
38 |
|
|
#include "ircd_signal.h" |
39 |
|
|
#include "list.h" |
40 |
|
|
#include "s_gline.h" |
41 |
|
|
#include "motd.h" |
42 |
|
|
#include "ircd_handler.h" |
43 |
|
|
#include "msg.h" /* msgtab */ |
44 |
|
|
#include "hostmask.h" |
45 |
|
|
#include "numeric.h" |
46 |
|
|
#include "packet.h" |
47 |
|
|
#include "parse.h" |
48 |
|
|
#include "irc_res.h" |
49 |
|
|
#include "restart.h" |
50 |
|
|
#include "s_auth.h" |
51 |
|
|
#include "s_bsd.h" |
52 |
|
|
#include "s_conf.h" |
53 |
|
|
#include "s_log.h" |
54 |
|
|
#include "s_misc.h" |
55 |
|
|
#include "s_serv.h" /* try_connections */ |
56 |
|
|
#include "s_stats.h" |
57 |
|
|
#include "send.h" |
58 |
|
|
#include "whowas.h" |
59 |
|
|
#include "modules.h" |
60 |
|
|
#include "memory.h" |
61 |
|
|
#include "hook.h" |
62 |
|
|
#include "ircd_getopt.h" |
63 |
|
|
#include "balloc.h" |
64 |
|
|
#include "motd.h" |
65 |
|
|
#include "supported.h" |
66 |
|
|
|
67 |
|
|
/* Try and find the correct name to use with getrlimit() for setting the max. |
68 |
|
|
* number of files allowed to be open by this process. |
69 |
|
|
*/ |
70 |
|
|
|
71 |
|
|
/* /quote set variables */ |
72 |
|
|
struct SetOptions GlobalSetOptions; |
73 |
|
|
|
74 |
|
|
/* configuration set from ircd.conf */ |
75 |
|
|
struct config_file_entry ConfigFileEntry; |
76 |
|
|
/* server info set from ircd.conf */ |
77 |
|
|
struct server_info ServerInfo; |
78 |
|
|
/* admin info set from ircd.conf */ |
79 |
|
|
struct admin_info AdminInfo = { NULL, NULL, NULL }; |
80 |
|
|
struct Counter Count = { 0, 0, 0, 0, 0, 0, 0, 0 }; |
81 |
|
|
struct ServerState_t server_state = { 0 }; |
82 |
|
|
struct logging_entry ConfigLoggingEntry = { 1, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0} }; |
83 |
|
|
struct Client me; /* That's me */ |
84 |
|
|
struct LocalUser meLocalUser; /* That's also part of me */ |
85 |
|
|
unsigned long connect_id = 0; /* unique connect ID */ |
86 |
|
|
|
87 |
|
|
static unsigned long initialVMTop = 0; /* top of virtual memory at init */ |
88 |
|
|
const char *logFileName = LPATH; |
89 |
|
|
const char *pidFileName = PPATH; |
90 |
|
|
|
91 |
|
|
char **myargv; |
92 |
|
|
char ircd_platform[PLATFORMLEN]; |
93 |
|
|
|
94 |
|
|
int dorehash = 0; |
95 |
|
|
int doremotd = 0; |
96 |
|
|
time_t nextconnect = 1; /* time for next try_connections call */ |
97 |
|
|
|
98 |
|
|
/* Set to zero because it should be initialized later using |
99 |
|
|
* initialize_server_capabs |
100 |
|
|
*/ |
101 |
|
|
int default_server_capabs = 0; |
102 |
|
|
|
103 |
|
|
#ifdef HAVE_LIBCRYPTO |
104 |
|
|
int bio_spare_fd = -1; |
105 |
|
|
#endif |
106 |
|
|
|
107 |
|
|
int splitmode; |
108 |
|
|
int splitchecking; |
109 |
|
|
int split_users; |
110 |
|
|
unsigned int split_servers; |
111 |
|
|
|
112 |
adx |
68 |
static dlink_node *fdlimit_hook; |
113 |
|
|
|
114 |
adx |
30 |
/* Do klines the same way hybrid-6 did them, i.e. at the |
115 |
|
|
* top of the next io_loop instead of in the same loop as |
116 |
|
|
* the klines are being applied. |
117 |
|
|
* |
118 |
|
|
* This should fix strange CPU starvation as very indirectly reported. |
119 |
|
|
* (Why do you people not email bug reports? WHY? WHY?) |
120 |
|
|
* |
121 |
|
|
* - Dianora |
122 |
|
|
*/ |
123 |
|
|
|
124 |
|
|
int rehashed_klines = 0; |
125 |
|
|
|
126 |
|
|
/* |
127 |
|
|
* get_vm_top - get the operating systems notion of the resident set size |
128 |
|
|
*/ |
129 |
|
|
#ifndef _WIN32 |
130 |
|
|
static unsigned long |
131 |
|
|
get_vm_top(void) |
132 |
|
|
{ |
133 |
|
|
/* |
134 |
|
|
* NOTE: sbrk is not part of the ANSI C library or the POSIX.1 standard |
135 |
|
|
* however it seems that everyone defines it. Calling sbrk with a 0 |
136 |
|
|
* argument will return a pointer to the top of the process virtual |
137 |
|
|
* memory without changing the process size, so this call should be |
138 |
|
|
* reasonably safe (sbrk returns the new value for the top of memory). |
139 |
|
|
* This code relies on the notion that the address returned will be an |
140 |
|
|
* offset from 0 (NULL), so the result of sbrk is cast to a size_t and |
141 |
|
|
* returned. We really shouldn't be using it here but... |
142 |
|
|
*/ |
143 |
|
|
|
144 |
|
|
void *vptr = sbrk(0); |
145 |
|
|
return((unsigned long)vptr); |
146 |
|
|
} |
147 |
|
|
|
148 |
|
|
/* |
149 |
|
|
* print_startup - print startup information |
150 |
|
|
*/ |
151 |
|
|
static void |
152 |
|
|
print_startup(int pid) |
153 |
|
|
{ |
154 |
|
|
printf("ircd: version %s\n", ircd_version); |
155 |
|
|
printf("ircd: pid %d\n", pid); |
156 |
|
|
printf("ircd: running in %s mode from %s\n", !server_state.foreground ? "background" |
157 |
|
|
: "foreground", ConfigFileEntry.dpath); |
158 |
|
|
} |
159 |
|
|
|
160 |
|
|
static void |
161 |
|
|
make_daemon(void) |
162 |
|
|
{ |
163 |
|
|
int pid; |
164 |
|
|
|
165 |
|
|
if ((pid = fork()) < 0) |
166 |
|
|
{ |
167 |
|
|
perror("fork"); |
168 |
|
|
exit(EXIT_FAILURE); |
169 |
|
|
} |
170 |
|
|
else if (pid > 0) |
171 |
|
|
{ |
172 |
|
|
print_startup(pid); |
173 |
|
|
exit(EXIT_SUCCESS); |
174 |
|
|
} |
175 |
|
|
|
176 |
|
|
setsid(); |
177 |
|
|
} |
178 |
|
|
#endif |
179 |
|
|
|
180 |
|
|
/* |
181 |
|
|
* get_maxrss - get the operating systems notion of the resident set size |
182 |
|
|
*/ |
183 |
|
|
unsigned long |
184 |
|
|
get_maxrss(void) |
185 |
|
|
{ |
186 |
|
|
#ifdef _WIN32 |
187 |
|
|
return (0); /* FIXME */ |
188 |
|
|
#else |
189 |
|
|
return (get_vm_top() - initialVMTop); |
190 |
|
|
#endif |
191 |
|
|
} |
192 |
|
|
|
193 |
|
|
static int printVersion = 0; |
194 |
|
|
|
195 |
|
|
struct lgetopt myopts[] = { |
196 |
|
|
{"dlinefile", &ConfigFileEntry.dlinefile, |
197 |
|
|
STRING, "File to use for dline.conf"}, |
198 |
|
|
{"configfile", &ConfigFileEntry.configfile, |
199 |
|
|
STRING, "File to use for ircd.conf"}, |
200 |
|
|
{"klinefile", &ConfigFileEntry.klinefile, |
201 |
|
|
STRING, "File to use for kline.conf"}, |
202 |
|
|
{"xlinefile", &ConfigFileEntry.xlinefile, |
203 |
|
|
STRING, "File to use for xline.conf"}, |
204 |
|
|
{"logfile", &logFileName, |
205 |
|
|
STRING, "File to use for ircd.log"}, |
206 |
|
|
{"pidfile", &pidFileName, |
207 |
|
|
STRING, "File to use for process ID"}, |
208 |
|
|
{"foreground", &server_state.foreground, |
209 |
|
|
YESNO, "Run in foreground (don't detach)"}, |
210 |
|
|
{"version", &printVersion, |
211 |
|
|
YESNO, "Print version and exit"}, |
212 |
|
|
{"help", NULL, USAGE, "Print this text"}, |
213 |
|
|
{NULL, NULL, STRING, NULL}, |
214 |
|
|
}; |
215 |
|
|
|
216 |
|
|
static void |
217 |
|
|
io_loop(void) |
218 |
|
|
{ |
219 |
|
|
while (1 == 1) |
220 |
|
|
{ |
221 |
|
|
/* |
222 |
|
|
* Maybe we want a flags word? |
223 |
|
|
* ie. if (REHASHED_KLINES(global_flags)) |
224 |
|
|
* SET_REHASHED_KLINES(global_flags) |
225 |
|
|
* CLEAR_REHASHED_KLINES(global_flags) |
226 |
|
|
* |
227 |
|
|
* - Dianora |
228 |
|
|
*/ |
229 |
|
|
if (rehashed_klines) |
230 |
|
|
{ |
231 |
|
|
check_conf_klines(); |
232 |
|
|
rehashed_klines = 0; |
233 |
|
|
} |
234 |
|
|
|
235 |
|
|
if (listing_client_list.head) |
236 |
|
|
{ |
237 |
|
|
dlink_node *ptr = NULL, *ptr_next = NULL; |
238 |
|
|
DLINK_FOREACH_SAFE(ptr, ptr_next, listing_client_list.head) |
239 |
|
|
{ |
240 |
|
|
struct Client *client_p = ptr->data; |
241 |
|
|
assert(client_p->localClient->list_task); |
242 |
|
|
safe_list_channels(client_p, client_p->localClient->list_task, 0, 0); |
243 |
|
|
} |
244 |
|
|
} |
245 |
|
|
|
246 |
|
|
/* Run pending events, then get the number of seconds to the next |
247 |
|
|
* event |
248 |
|
|
*/ |
249 |
|
|
while (eventNextTime() <= CurrentTime) |
250 |
|
|
eventRun(); |
251 |
|
|
|
252 |
|
|
comm_select(); |
253 |
|
|
exit_aborted_clients(); |
254 |
|
|
free_exited_clients(); |
255 |
|
|
send_queued_all(); |
256 |
|
|
|
257 |
|
|
/* Check to see whether we have to rehash the configuration .. */ |
258 |
|
|
if (dorehash) |
259 |
|
|
{ |
260 |
|
|
rehash(1); |
261 |
|
|
dorehash = 0; |
262 |
|
|
} |
263 |
|
|
if (doremotd) |
264 |
|
|
{ |
265 |
|
|
read_message_file(&ConfigFileEntry.motd); |
266 |
|
|
sendto_realops_flags(UMODE_ALL, L_ALL, |
267 |
|
|
"Got signal SIGUSR1, reloading ircd motd file"); |
268 |
|
|
doremotd = 0; |
269 |
|
|
} |
270 |
|
|
} |
271 |
|
|
} |
272 |
|
|
|
273 |
|
|
/* initalialize_global_set_options() |
274 |
|
|
* |
275 |
|
|
* inputs - none |
276 |
|
|
* output - none |
277 |
|
|
* side effects - This sets all global set options needed |
278 |
|
|
*/ |
279 |
|
|
static void |
280 |
|
|
initialize_global_set_options(void) |
281 |
|
|
{ |
282 |
|
|
memset(&GlobalSetOptions, 0, sizeof(GlobalSetOptions)); |
283 |
|
|
|
284 |
|
|
GlobalSetOptions.autoconn = 1; |
285 |
|
|
GlobalSetOptions.spam_time = MIN_JOIN_LEAVE_TIME; |
286 |
|
|
GlobalSetOptions.spam_num = MAX_JOIN_LEAVE_COUNT; |
287 |
|
|
|
288 |
|
|
if (ConfigFileEntry.default_floodcount) |
289 |
|
|
GlobalSetOptions.floodcount = ConfigFileEntry.default_floodcount; |
290 |
|
|
else |
291 |
|
|
GlobalSetOptions.floodcount = 10; |
292 |
|
|
|
293 |
|
|
/* XXX I have no idea what to try here - Dianora */ |
294 |
|
|
GlobalSetOptions.joinfloodcount = 16; |
295 |
|
|
GlobalSetOptions.joinfloodtime = 8; |
296 |
|
|
|
297 |
|
|
split_servers = ConfigChannel.default_split_server_count; |
298 |
|
|
split_users = ConfigChannel.default_split_user_count; |
299 |
|
|
|
300 |
|
|
if (split_users && split_servers && (ConfigChannel.no_create_on_split || |
301 |
|
|
ConfigChannel.no_join_on_split)) |
302 |
|
|
{ |
303 |
|
|
splitmode = 1; |
304 |
|
|
splitchecking = 1; |
305 |
|
|
} |
306 |
|
|
|
307 |
|
|
GlobalSetOptions.ident_timeout = IDENT_TIMEOUT; |
308 |
|
|
GlobalSetOptions.idletime = ConfigFileEntry.idletime; |
309 |
|
|
/* End of global set options */ |
310 |
|
|
} |
311 |
|
|
|
312 |
|
|
/* initialize_message_files() |
313 |
|
|
* |
314 |
|
|
* inputs - none |
315 |
|
|
* output - none |
316 |
|
|
* side effects - Set up all message files needed, motd etc. |
317 |
|
|
*/ |
318 |
|
|
static void |
319 |
|
|
initialize_message_files(void) |
320 |
|
|
{ |
321 |
|
|
init_message_file(USER_MOTD, MPATH, &ConfigFileEntry.motd); |
322 |
|
|
init_message_file(OPER_MOTD, OPATH, &ConfigFileEntry.opermotd); |
323 |
|
|
init_message_file(USER_LINKS, LIPATH, &ConfigFileEntry.linksfile); |
324 |
|
|
|
325 |
|
|
read_message_file(&ConfigFileEntry.motd); |
326 |
|
|
read_message_file(&ConfigFileEntry.opermotd); |
327 |
|
|
read_message_file(&ConfigFileEntry.linksfile); |
328 |
|
|
|
329 |
|
|
init_isupport(); |
330 |
|
|
} |
331 |
|
|
|
332 |
|
|
/* initialize_server_capabs() |
333 |
|
|
* |
334 |
|
|
* inputs - none |
335 |
|
|
* output - none |
336 |
|
|
*/ |
337 |
|
|
static void |
338 |
|
|
initialize_server_capabs(void) |
339 |
|
|
{ |
340 |
|
|
add_capability("QS", CAP_QS, 1); |
341 |
|
|
add_capability("LL", CAP_LL, 1); |
342 |
|
|
add_capability("EOB", CAP_EOB, 1); |
343 |
|
|
if (ServerInfo.sid != NULL) /* only enable TS6 if we have an SID */ |
344 |
|
|
add_capability("TS6", CAP_TS6, 0); |
345 |
|
|
add_capability("ZIP", CAP_ZIP, 0); |
346 |
|
|
add_capability("CLUSTER", CAP_CLUSTER, 1); |
347 |
|
|
#ifdef HALFOPS |
348 |
|
|
add_capability("HOPS", CAP_HOPS, 1); |
349 |
|
|
#endif |
350 |
|
|
} |
351 |
|
|
|
352 |
|
|
/* write_pidfile() |
353 |
|
|
* |
354 |
|
|
* inputs - filename+path of pid file |
355 |
|
|
* output - NONE |
356 |
|
|
* side effects - write the pid of the ircd to filename |
357 |
|
|
*/ |
358 |
|
|
static void |
359 |
|
|
write_pidfile(const char *filename) |
360 |
|
|
{ |
361 |
|
|
FBFILE *fb; |
362 |
|
|
|
363 |
|
|
if ((fb = fbopen(filename, "w"))) |
364 |
|
|
{ |
365 |
|
|
char buff[32]; |
366 |
|
|
unsigned int pid = (unsigned int)getpid(); |
367 |
|
|
size_t nbytes = ircsprintf(buff, "%u\n", pid); |
368 |
|
|
|
369 |
|
|
if ((fbputs(buff, fb, nbytes) == -1)) |
370 |
|
|
ilog(L_ERROR, "Error writing %u to pid file %s (%s)", |
371 |
|
|
pid, filename, strerror(errno)); |
372 |
|
|
|
373 |
|
|
fbclose(fb); |
374 |
|
|
return; |
375 |
|
|
} |
376 |
|
|
else |
377 |
|
|
{ |
378 |
|
|
ilog(L_ERROR, "Error opening pid file %s", filename); |
379 |
|
|
} |
380 |
|
|
} |
381 |
|
|
|
382 |
|
|
/* check_pidfile() |
383 |
|
|
* |
384 |
|
|
* inputs - filename+path of pid file |
385 |
|
|
* output - none |
386 |
|
|
* side effects - reads pid from pidfile and checks if ircd is in process |
387 |
|
|
* list. if it is, gracefully exits |
388 |
|
|
* -kre |
389 |
|
|
*/ |
390 |
|
|
static void |
391 |
|
|
check_pidfile(const char *filename) |
392 |
|
|
{ |
393 |
|
|
#ifndef _WIN32 |
394 |
|
|
FBFILE *fb; |
395 |
|
|
char buff[32]; |
396 |
|
|
pid_t pidfromfile; |
397 |
|
|
|
398 |
|
|
/* Don't do logging here, since we don't have log() initialised */ |
399 |
|
|
if ((fb = fbopen(filename, "r"))) |
400 |
|
|
{ |
401 |
|
|
if (fbgets(buff, 20, fb) == NULL) |
402 |
|
|
{ |
403 |
|
|
/* log(L_ERROR, "Error reading from pid file %s (%s)", filename, |
404 |
|
|
* strerror(errno)); |
405 |
|
|
*/ |
406 |
|
|
} |
407 |
|
|
else |
408 |
|
|
{ |
409 |
|
|
pidfromfile = atoi(buff); |
410 |
|
|
|
411 |
|
|
if (!kill(pidfromfile, 0)) |
412 |
|
|
{ |
413 |
|
|
/* log(L_ERROR, "Server is already running"); */ |
414 |
|
|
printf("ircd: daemon is already running\n"); |
415 |
|
|
exit(-1); |
416 |
|
|
} |
417 |
|
|
} |
418 |
|
|
|
419 |
|
|
fbclose(fb); |
420 |
|
|
} |
421 |
|
|
else if (errno != ENOENT) |
422 |
|
|
{ |
423 |
|
|
/* log(L_ERROR, "Error opening pid file %s", filename); */ |
424 |
|
|
} |
425 |
|
|
#endif |
426 |
|
|
} |
427 |
|
|
|
428 |
|
|
/* setup_corefile() |
429 |
|
|
* |
430 |
|
|
* inputs - nothing |
431 |
|
|
* output - nothing |
432 |
|
|
* side effects - setups corefile to system limits. |
433 |
|
|
* -kre |
434 |
|
|
*/ |
435 |
|
|
static void |
436 |
|
|
setup_corefile(void) |
437 |
|
|
{ |
438 |
|
|
#ifdef HAVE_SYS_RESOURCE_H |
439 |
|
|
struct rlimit rlim; /* resource limits */ |
440 |
|
|
|
441 |
|
|
/* Set corefilesize to maximum */ |
442 |
|
|
if (!getrlimit(RLIMIT_CORE, &rlim)) |
443 |
|
|
{ |
444 |
|
|
rlim.rlim_cur = rlim.rlim_max; |
445 |
|
|
setrlimit(RLIMIT_CORE, &rlim); |
446 |
|
|
} |
447 |
|
|
#endif |
448 |
|
|
} |
449 |
|
|
|
450 |
|
|
/* init_ssl() |
451 |
|
|
* |
452 |
|
|
* inputs - nothing |
453 |
|
|
* output - nothing |
454 |
|
|
* side effects - setups SSL context. |
455 |
|
|
*/ |
456 |
|
|
static void |
457 |
|
|
init_ssl(void) |
458 |
|
|
{ |
459 |
|
|
#ifdef HAVE_LIBCRYPTO |
460 |
|
|
SSL_load_error_strings(); |
461 |
|
|
SSLeay_add_ssl_algorithms(); |
462 |
|
|
|
463 |
|
|
ServerInfo.ctx = SSL_CTX_new(SSLv23_server_method()); |
464 |
|
|
if (!ServerInfo.ctx) |
465 |
|
|
{ |
466 |
|
|
const char *s; |
467 |
|
|
|
468 |
|
|
fprintf(stderr, "ERROR: Could not initialize the SSL context -- %s\n", |
469 |
|
|
s = ERR_lib_error_string(ERR_get_error())); |
470 |
|
|
ilog(L_CRIT, "ERROR: Could not initialize the SSL context -- %s\n", s); |
471 |
|
|
} |
472 |
|
|
|
473 |
|
|
SSL_CTX_set_options(ServerInfo.ctx, SSL_OP_NO_SSLv2); |
474 |
|
|
SSL_CTX_set_options(ServerInfo.ctx, SSL_OP_TLS_ROLLBACK_BUG|SSL_OP_ALL); |
475 |
|
|
SSL_CTX_set_verify(ServerInfo.ctx, SSL_VERIFY_NONE, NULL); |
476 |
|
|
|
477 |
|
|
bio_spare_fd = save_spare_fd("SSL private key validation"); |
478 |
|
|
#endif /* HAVE_LIBCRYPTO */ |
479 |
|
|
} |
480 |
|
|
|
481 |
|
|
/* init_callbacks() |
482 |
|
|
* |
483 |
|
|
* inputs - nothing |
484 |
|
|
* output - nothing |
485 |
|
|
* side effects - setups standard hook points |
486 |
|
|
*/ |
487 |
|
|
static void |
488 |
|
|
init_callbacks(void) |
489 |
|
|
{ |
490 |
|
|
iorecv_cb = register_callback("iorecv", NULL); |
491 |
|
|
iosend_cb = register_callback("iosend", NULL); |
492 |
|
|
iorecvctrl_cb = register_callback("iorecvctrl", NULL); |
493 |
|
|
iosendctrl_cb = register_callback("iosendctrl", NULL); |
494 |
|
|
} |
495 |
|
|
|
496 |
adx |
68 |
static void * |
497 |
|
|
changing_fdlimit(va_list args) |
498 |
|
|
{ |
499 |
|
|
int old_fdlimit = hard_fdlimit; |
500 |
|
|
int fdmax = va_arg(args, int); |
501 |
|
|
|
502 |
|
|
/* allow MAXCLIENTS_MIN clients even at the cost of MAX_BUFFER and |
503 |
|
|
* some not really LEAKED_FDS */ |
504 |
|
|
fdmax = IRCD_MAX(fdmax, LEAKED_FDS + MAX_BUFFER + MAXCLIENTS_MIN); |
505 |
|
|
|
506 |
|
|
pass_callback(fdlimit_hook, fdmax); |
507 |
|
|
|
508 |
|
|
if (ServerInfo.max_clients > MAXCLIENTS_MAX) |
509 |
|
|
{ |
510 |
|
|
if (old_fdlimit != 0) |
511 |
|
|
sendto_realops_flags(UMODE_ALL, L_ALL, |
512 |
|
|
"HARD_FDLIMIT changed to %d, adjusting MAXCLIENTS to %d", |
513 |
|
|
hard_fdlimit, MAXCLIENTS_MAX); |
514 |
|
|
|
515 |
|
|
ServerInfo.max_clients = MAXCLIENTS_MAX; |
516 |
|
|
} |
517 |
|
|
|
518 |
|
|
return NULL; |
519 |
|
|
} |
520 |
|
|
|
521 |
adx |
30 |
int |
522 |
|
|
main(int argc, char *argv[]) |
523 |
|
|
{ |
524 |
|
|
/* Check to see if the user is running |
525 |
|
|
* us as root, which is a nono |
526 |
|
|
*/ |
527 |
|
|
#ifndef _WIN32 |
528 |
|
|
if (geteuid() == 0) |
529 |
|
|
{ |
530 |
|
|
fprintf(stderr, "Don't run ircd as root!!!\n"); |
531 |
adx |
62 |
return 1; |
532 |
adx |
30 |
} |
533 |
|
|
|
534 |
|
|
/* Setup corefile size immediately after boot -kre */ |
535 |
|
|
setup_corefile(); |
536 |
|
|
|
537 |
|
|
/* set initialVMTop before we allocate any memory */ |
538 |
|
|
initialVMTop = get_vm_top(); |
539 |
|
|
#endif |
540 |
|
|
|
541 |
|
|
/* save server boot time right away, so getrusage works correctly */ |
542 |
|
|
set_time(); |
543 |
|
|
|
544 |
adx |
62 |
outofmemory = ircd_outofmemory; |
545 |
|
|
|
546 |
|
|
/* It ain't random, but it ought to be a little harder to guess */ |
547 |
adx |
30 |
srand(SystemTime.tv_sec ^ (SystemTime.tv_usec | (getpid() << 20))); |
548 |
|
|
memset(&me, 0, sizeof(me)); |
549 |
|
|
memset(&meLocalUser, 0, sizeof(meLocalUser)); |
550 |
|
|
me.localClient = &meLocalUser; |
551 |
|
|
dlinkAdd(&me, &me.node, &global_client_list); /* Pointer to beginning |
552 |
|
|
of Client list */ |
553 |
|
|
|
554 |
|
|
memset(&ServerInfo, 0, sizeof(ServerInfo)); |
555 |
|
|
|
556 |
|
|
/* Initialise the channel capability usage counts... */ |
557 |
|
|
init_chcap_usage_counts(); |
558 |
|
|
|
559 |
|
|
ConfigFileEntry.dpath = DPATH; |
560 |
|
|
ConfigFileEntry.configfile = CPATH; /* Server configuration file */ |
561 |
|
|
ConfigFileEntry.klinefile = KPATH; /* Server kline file */ |
562 |
|
|
ConfigFileEntry.xlinefile = XPATH; /* Server xline file */ |
563 |
|
|
ConfigFileEntry.rxlinefile = RXPATH; /* Server regex xline file */ |
564 |
|
|
ConfigFileEntry.rklinefile = RKPATH; /* Server regex kline file */ |
565 |
|
|
ConfigFileEntry.dlinefile = DLPATH; /* dline file */ |
566 |
|
|
ConfigFileEntry.glinefile = GPATH; /* gline log file */ |
567 |
|
|
ConfigFileEntry.cresvfile = CRESVPATH; /* channel resv file */ |
568 |
|
|
ConfigFileEntry.nresvfile = NRESVPATH; /* nick resv file */ |
569 |
|
|
myargv = argv; |
570 |
|
|
umask(077); /* better safe than sorry --SRB */ |
571 |
|
|
|
572 |
|
|
parseargs(&argc, &argv, myopts); |
573 |
|
|
|
574 |
|
|
if (printVersion) |
575 |
|
|
{ |
576 |
|
|
printf("ircd: version %s\n", ircd_version); |
577 |
|
|
exit(EXIT_SUCCESS); |
578 |
|
|
} |
579 |
|
|
|
580 |
|
|
if (chdir(ConfigFileEntry.dpath)) |
581 |
|
|
{ |
582 |
|
|
perror("chdir"); |
583 |
|
|
exit(EXIT_FAILURE); |
584 |
|
|
} |
585 |
|
|
|
586 |
|
|
init_ssl(); |
587 |
|
|
|
588 |
|
|
#ifndef _WIN32 |
589 |
|
|
if (!server_state.foreground) |
590 |
|
|
{ |
591 |
|
|
make_daemon(); |
592 |
|
|
close_standard_fds(); /* this needs to be before init_netio()! */ |
593 |
|
|
} |
594 |
|
|
else |
595 |
|
|
print_startup(getpid()); |
596 |
|
|
|
597 |
|
|
setup_signals(); |
598 |
|
|
#endif |
599 |
|
|
|
600 |
|
|
get_ircd_platform(ircd_platform); |
601 |
|
|
|
602 |
|
|
/* Init the event subsystem */ |
603 |
|
|
eventInit(); |
604 |
|
|
/* We need this to initialise the fd array before anything else */ |
605 |
|
|
fdlist_init(); |
606 |
adx |
68 |
fdlimit_hook = install_hook(fdlimit_cb, changing_fdlimit); |
607 |
adx |
30 |
init_log(logFileName); |
608 |
adx |
68 |
ServerInfo.can_use_v6 = check_can_use_v6(); |
609 |
adx |
30 |
init_comm(); /* This needs to be setup early ! -- adrian */ |
610 |
|
|
/* Check if there is pidfile and daemon already running */ |
611 |
|
|
check_pidfile(pidFileName); |
612 |
|
|
|
613 |
|
|
#ifndef NOBALLOC |
614 |
|
|
initBlockHeap(); |
615 |
|
|
#endif |
616 |
|
|
init_dlink_nodes(); |
617 |
|
|
init_callbacks(); |
618 |
|
|
initialize_message_files(); |
619 |
|
|
dbuf_init(); |
620 |
|
|
init_hash(); |
621 |
|
|
init_ip_hash_table(); /* client host ip hash table */ |
622 |
|
|
init_host_hash(); /* Host-hashtable. */ |
623 |
|
|
clear_tree_parse(); |
624 |
|
|
init_client(); |
625 |
|
|
init_class(); |
626 |
|
|
init_whowas(); |
627 |
|
|
init_stats(); |
628 |
|
|
read_conf_files(1); /* cold start init conf files */ |
629 |
|
|
initServerMask(); |
630 |
|
|
me.id[0] = '\0'; |
631 |
|
|
init_uid(); |
632 |
|
|
init_auth(); /* Initialise the auth code */ |
633 |
|
|
#ifndef _WIN32 |
634 |
|
|
init_resolver(); /* Needs to be setup before the io loop */ |
635 |
|
|
#endif |
636 |
|
|
initialize_server_capabs(); /* Set up default_server_capabs */ |
637 |
|
|
initialize_global_set_options(); |
638 |
|
|
init_channels(); |
639 |
adx |
48 |
init_channel_modes(); |
640 |
adx |
30 |
|
641 |
|
|
if (ServerInfo.name == NULL) |
642 |
|
|
{ |
643 |
|
|
ilog(L_CRIT, "No server name specified in serverinfo block."); |
644 |
|
|
exit(EXIT_FAILURE); |
645 |
|
|
} |
646 |
|
|
strlcpy(me.name, ServerInfo.name, sizeof(me.name)); |
647 |
|
|
|
648 |
|
|
/* serverinfo{} description must exist. If not, error out.*/ |
649 |
|
|
if (ServerInfo.description == NULL) |
650 |
|
|
{ |
651 |
|
|
ilog(L_CRIT, |
652 |
|
|
"ERROR: No server description specified in serverinfo block."); |
653 |
|
|
exit(EXIT_FAILURE); |
654 |
|
|
} |
655 |
|
|
strlcpy(me.info, ServerInfo.description, sizeof(me.info)); |
656 |
|
|
|
657 |
|
|
me.from = &me; |
658 |
|
|
me.servptr = &me; |
659 |
|
|
|
660 |
|
|
SetMe(&me); |
661 |
|
|
make_server(&me); |
662 |
|
|
|
663 |
|
|
me.lasttime = me.since = me.firsttime = CurrentTime; |
664 |
|
|
hash_add_client(&me); |
665 |
|
|
|
666 |
|
|
/* add ourselves to global_serv_list */ |
667 |
|
|
dlinkAdd(&me, make_dlink_node(), &global_serv_list); |
668 |
|
|
|
669 |
|
|
check_class(); |
670 |
|
|
|
671 |
|
|
#ifndef STATIC_MODULES |
672 |
|
|
if (chdir(MODPATH)) |
673 |
|
|
{ |
674 |
|
|
ilog (L_CRIT, "Could not load core modules. Terminating!"); |
675 |
|
|
exit(EXIT_FAILURE); |
676 |
|
|
} |
677 |
|
|
|
678 |
|
|
load_all_modules(1); |
679 |
|
|
load_conf_modules(); |
680 |
|
|
load_core_modules(1); |
681 |
|
|
/* Go back to DPATH after checking to see if we can chdir to MODPATH */ |
682 |
|
|
chdir(ConfigFileEntry.dpath); |
683 |
|
|
#else |
684 |
|
|
load_all_modules(1); |
685 |
|
|
#endif |
686 |
|
|
/* |
687 |
|
|
* assemble_umode_buffer() has to be called after |
688 |
|
|
* reading conf/loading modules. |
689 |
|
|
*/ |
690 |
|
|
assemble_umode_buffer(); |
691 |
|
|
|
692 |
|
|
write_pidfile(pidFileName); |
693 |
|
|
|
694 |
|
|
ilog(L_NOTICE, "Server Ready"); |
695 |
|
|
|
696 |
|
|
eventAddIsh("cleanup_glines", cleanup_glines, NULL, CLEANUP_GLINES_TIME); |
697 |
|
|
eventAddIsh("cleanup_tklines", cleanup_tklines, NULL, CLEANUP_TKLINES_TIME); |
698 |
|
|
|
699 |
|
|
/* We want try_connections to be called as soon as possible now! -- adrian */ |
700 |
|
|
/* No, 'cause after a restart it would cause all sorts of nick collides */ |
701 |
|
|
eventAddIsh("try_connections", try_connections, NULL, STARTUP_CONNECTIONS_TIME); |
702 |
|
|
|
703 |
|
|
eventAddIsh("collect_zipstats", collect_zipstats, NULL, ZIPSTATS_TIME); |
704 |
|
|
|
705 |
|
|
/* Setup the timeout check. I'll shift it later :) -- adrian */ |
706 |
|
|
eventAddIsh("comm_checktimeouts", comm_checktimeouts, NULL, 1); |
707 |
|
|
|
708 |
|
|
if (ConfigServerHide.links_delay > 0) |
709 |
|
|
eventAddIsh("write_links_file", write_links_file, NULL, ConfigServerHide.links_delay); |
710 |
|
|
else |
711 |
|
|
ConfigServerHide.links_disabled = 1; |
712 |
|
|
|
713 |
|
|
if (splitmode) |
714 |
|
|
eventAddIsh("check_splitmode", check_splitmode, NULL, 60); |
715 |
|
|
|
716 |
|
|
io_loop(); |
717 |
|
|
return(0); |
718 |
|
|
} |