2 * IRC - Internet Relay Chat, ircd/s_misc.c (formerly ircd/date.c)
3 * Copyright (C) 1990 Jarkko Oikarinen and
4 * University of Oulu, Computing Center
6 * See file AUTHORS in IRC package for additional names of
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 1, or (at your option)
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31 #include "ircd_alloc.h"
33 #include "ircd_string.h"
40 #include "querycmds.h"
47 #include "sprintf_irc.h"
62 static void exit_one_client(struct Client *, char *);
64 static char *months[] = {
65 "January", "February", "March", "April",
66 "May", "June", "July", "August",
67 "September", "October", "November", "December"
70 static char *weekdays[] = {
71 "Sunday", "Monday", "Tuesday", "Wednesday",
72 "Thursday", "Friday", "Saturday"
78 static struct ServerStatistics ircst;
79 struct ServerStatistics* ServerStats = &ircst;
81 char *date(time_t clock)
83 static char buf[80], plus;
91 memcpy(&gmbuf, gm, sizeof(gmbuf));
93 lt = localtime(&clock);
95 minswest = (gm->tm_hour - lt->tm_hour) * 60 + (gm->tm_min - lt->tm_min);
96 if (lt->tm_yday != gm->tm_yday)
98 if ((lt->tm_yday > gm->tm_yday && lt->tm_year == gm->tm_year) ||
99 (lt->tm_yday < gm->tm_yday && lt->tm_year != gm->tm_year))
105 plus = (minswest > 0) ? '-' : '+';
107 minswest = -minswest;
109 sprintf(buf, "%s %s %d %d -- %02d:%02d %c%02d:%02d",
110 weekdays[lt->tm_wday], months[lt->tm_mon], lt->tm_mday,
111 1900 + lt->tm_year, lt->tm_hour, lt->tm_min,
112 plus, minswest / 60, minswest % 60);
120 * This is like standard ctime()-function, but it zaps away
121 * the newline from the end of that string. Also, it takes
122 * the time value as parameter, instead of pointer to it.
123 * Note that it is necessary to copy the string to alternate
124 * buffer (who knows how ctime() implements it, maybe it statically
125 * has newline there and never 'refreshes' it -- zapping that
126 * might break things in other places...)
128 char *myctime(time_t value)
133 strcpy(buf, ctime(&value));
134 if ((p = strchr(buf, '\n')) != NULL)
142 * Return the name of the client for various tracking and
143 * admin purposes. The main purpose of this function is to
144 * return the "socket host" name of the client, if that
145 * differs from the advertised name (other than case).
146 * But, this can be used to any client structure.
149 * "name[user@ip#.port]" if 'showip' is true;
150 * "name[sockethost]", if name and sockhost are different and
151 * showip is false; else
155 * Watch out the allocation of "nbuf", if either sptr->name
156 * or sptr->sockhost gets changed into pointers instead of
157 * directly allocated within the structure...
160 * Function return either a pointer to the structure (sptr) or
161 * to internal buffer (nbuf). *NEVER* use the returned pointer
162 * to modify what it points!!!
164 const char* get_client_name(const struct Client* sptr, int showip)
166 static char nbuf[HOSTLEN * 2 + USERLEN + 5];
168 if (MyConnect(sptr)) {
170 sprintf_irc(nbuf, "%s[%s@%s]", sptr->name,
171 (IsIdented(sptr)) ? sptr->username : "", sptr->sock_ip);
173 if (0 != ircd_strcmp(sptr->name, sptr->sockhost))
174 sprintf_irc(nbuf, "%s[%s]", sptr->name, sptr->sockhost);
183 const char *get_client_host(const struct Client *cptr)
185 return get_client_name(cptr, HIDE_IP);
189 * Form sockhost such that if the host is of form user@host, only the host
192 void get_sockhost(struct Client *cptr, char *host)
195 if ((s = strchr(host, '@')))
199 ircd_strncpy(cptr->sockhost, s, HOSTLEN);
203 * exit_downlinks - added by Run 25-9-94
205 * Removes all clients and downlinks (+clients) of any server
206 * QUITs are generated and sent to local users.
208 * cptr : server that must have all dependents removed
209 * sptr : source who thought that this was a good idea
210 * comment : comment sent as sign off message to local clients
212 static void exit_downlinks(struct Client *cptr, struct Client *sptr, char *comment)
214 struct Client *acptr;
217 struct Client **acptrp;
220 /* Run over all its downlinks */
221 for (lp = cptr->serv->down; lp; lp = next)
224 acptr = lp->value.cptr;
225 /* Remove the downlinks and client of the downlink */
226 exit_downlinks(acptr, sptr, comment);
227 /* Remove the downlink itself */
228 exit_one_client(acptr, me.name);
230 /* Remove all clients of this server */
231 acptrp = cptr->serv->client_list;
232 for (i = 0; i <= cptr->serv->nn_mask; ++acptrp, ++i) {
234 exit_one_client(*acptrp, comment);
239 * exit_client, rewritten 25-9-94 by Run
241 * This function exits a client of *any* type (user, server, etc)
242 * from this server. Also, this generates all necessary prototol
243 * messages that this exit may cause.
245 * This function implicitly exits all other clients depending on
248 * For convenience, this function returns a suitable value for
249 * m_funtion return value:
251 * CPTR_KILLED if (cptr == bcptr)
252 * 0 if (cptr != bcptr)
254 * This function can be called in two ways:
255 * 1) From before or in parse(), exitting the 'cptr', in which case it was
256 * invoked as exit_client(cptr, cptr, &me,...), causing it to always
257 * return CPTR_KILLED.
258 * 2) Via parse from a m_function call, in which case it was invoked as
259 * exit_client(cptr, acptr, sptr, ...). Here 'sptr' is known; the client
260 * that generated the message in a way that we can assume he already
261 * did remove acptr from memory himself (or in other cases we don't mind
262 * because he will be delinked.) Or invoked as:
263 * exit_client(cptr, acptr/sptr, &me, ...) when WE decide this one should
265 * In general: No generated SQUIT or QUIT should be sent to source link
266 * sptr->from. And CPTR_KILLED should be returned if cptr got removed (too).
270 int exit_client(struct Client *cptr, /* Connection being handled by
271 read_message right now */
272 struct Client* victim, /* Client being killed */
273 struct Client* killer, /* The client that made the decision
274 to remove this one, never NULL */
275 char *comment) /* Reason for the exit */
277 struct Client* acptr = 0;
282 char comment1[HOSTLEN + HOSTLEN + 2];
284 if (MyConnect(victim)) {
285 victim->flags |= FLAGS_CLOSING;
286 #ifdef ALLOW_SNO_CONNEXIT
287 #ifdef SNO_CONNEXIT_IP
288 if (IsUser(victim)) {
290 ":%s NOTICE * :*** Notice -- Client exiting: %s (%s@%s) [%s] [%s]",
291 me.name, victim->name, victim->user->username, victim->user->host,
292 comment, ircd_ntoa((const char*) &victim->ip));
293 sendbufto_op_mask(SNO_CONNEXIT);
295 #else /* SNO_CONNEXIT_IP */
296 if (IsUser(victim)) {
298 ":%s NOTICE * :*** Notice -- Client exiting: %s (%s@%s) [%s]",
299 me.name, victim->name, victim->user->username, victim->user->host,
301 sendbufto_op_mask(SNO_CONNEXIT);
303 #endif /* SNO_CONNEXIT_IP */
304 #endif /* ALLOW_SNO_CONNEXIT */
307 on_for = CurrentTime - victim->firsttime;
308 #if defined(USE_SYSLOG) && defined(SYSLOG_USERS)
310 ircd_log(L_TRACE, "%s (%3d:%02d:%02d): %s@%s (%s)\n",
311 myctime(victim->firsttime), on_for / 3600, (on_for % 3600) / 60,
312 on_for % 60, victim->user->username, victim->sockhost, victim->name);
315 write_log(FNAME_USERLOG,
316 "%s (%3d:%02d:%02d): %s@%s [%s]\n",
317 myctime(victim->firsttime),
318 on_for / 3600, (on_for % 3600) / 60,
320 victim->user->username, victim->user->host, victim->username);
323 if (victim != killer->from /* The source knows already */
324 && IsClient(victim)) /* Not a Ping struct or Log file */
326 if (IsServer(victim) || IsHandshake(victim))
327 sendto_one(victim, ":%s " TOK_SQUIT " %s 0 :%s", killer->name, me.name, comment);
328 else if (!IsConnecting(victim)) {
330 sendto_one(victim, "ERROR :Closing Link: %s by %s (%s)",
331 victim->name, killer->name, comment);
333 if ((IsServer(victim) || IsHandshake(victim) || IsConnecting(victim)) &&
334 (killer == &me || (IsServer(killer) &&
335 (strncmp(comment, "Leaf-only link", 14) ||
336 strncmp(comment, "Non-Hub link", 12)))))
339 * Note: check user == user needed to make sure we have the same
342 if (victim->serv->user && *victim->serv->by &&
343 (acptr = findNUser(victim->serv->by))) {
344 if (acptr->user == victim->serv->user) {
345 if (MyUser(acptr) || Protocol(acptr->from) < 10)
347 ":%s NOTICE %s :Link with %s cancelled: %s",
348 me.name, acptr->name, victim->name, comment);
351 "%s NOTICE %s%s :Link with %s cancelled: %s",
352 NumServ(&me), NumNick(acptr), victim->name, comment);
356 * not right client, set by to empty string
359 *victim->serv->by = '\0';
363 sendto_lops_butone(acptr, "Link with %s cancelled: %s",
364 victim->name, comment);
368 * Close the Client connection first.
370 close_connection(victim);
373 if (IsServer(victim))
375 strcpy(comment1, victim->serv->up->name);
376 strcat(comment1, " ");
377 strcat(comment1, victim->name);
379 sendto_lops_butone(killer, "%s SQUIT by %s [%s]:",
380 (killer->user->server == victim ||
381 killer->user->server == victim->serv->up) ? "Local" : "Remote",
382 get_client_name(killer, HIDE_IP), killer->user->server->name);
383 else if (killer != &me && victim->serv->up != killer)
384 sendto_ops("Received SQUIT %s from %s :", victim->name,
385 IsServer(killer) ? killer->name : get_client_name(killer, HIDE_IP));
386 sendto_op_mask(SNO_NETWORK, "Net break: %s (%s)", comment1, comment);
390 * First generate the needed protocol for the other server links
393 for (dlp = me.serv->down; dlp; dlp = dlp->next) {
394 if (dlp->value.cptr != killer->from && dlp->value.cptr != victim) {
395 if (IsServer(victim))
396 sendto_one(dlp->value.cptr, ":%s " TOK_SQUIT " %s " TIME_T_FMT " :%s",
397 killer->name, victim->name, victim->serv->timestamp, comment);
398 else if (IsUser(victim) && 0 == (victim->flags & FLAGS_KILLED))
399 sendto_one(dlp->value.cptr, "%s%s " TOK_QUIT " :%s", NumNick(victim), comment);
402 /* Then remove the client structures */
403 if (IsServer(victim))
404 exit_downlinks(victim, killer, comment1);
405 exit_one_client(victim, comment);
408 * cptr can only have been killed if it was cptr itself that got killed here,
409 * because cptr can never have been a dependant of victim --Run
411 return (cptr == victim) ? CPTR_KILLED : 0;
415 * Exit client with formatted message, added 25-9-94 by Run
417 int vexit_client_msg(struct Client *cptr, struct Client *bcptr, struct Client *sptr,
418 char *pattern, va_list vl)
421 vsprintf_irc(msgbuf, pattern, vl);
422 return exit_client(cptr, bcptr, sptr, msgbuf);
425 int exit_client_msg(struct Client *cptr, struct Client *bcptr,
426 struct Client *sptr, char *pattern, ...)
431 va_start(vl, pattern);
432 vsprintf_irc(msgbuf, pattern, vl);
435 return exit_client(cptr, bcptr, sptr, msgbuf);
439 * Exit one client, local or remote. Assuming for local client that
440 * all dependants already have been removed, and socket is closed.
442 * Rewritten by Run - 24 sept 94
444 * bcptr : client being (s)quitted
445 * sptr : The source (prefix) of the QUIT or SQUIT
449 static void exit_one_client(struct Client *bcptr, char *comment)
453 if (bcptr->serv && bcptr->serv->client_list) /* Was SetServerYXX called ? */
454 ClearServerYXX(bcptr); /* Removes server from server_list[] */
457 * clear out uping requests
460 uping_cancel(bcptr, 0);
462 * Stop a running /LIST clean
464 if (MyUser(bcptr) && bcptr->listing) {
465 bcptr->listing->chptr->mode.mode &= ~MODE_LISTED;
466 MyFree(bcptr->listing);
467 bcptr->listing = NULL;
470 * If a person is on a channel, send a QUIT notice
471 * to every client (person) on the same channel (so
472 * that the client can show the "**signoff" message).
473 * (Note: The notice is to the local clients *only*)
475 sendto_common_channels(bcptr, ":%s QUIT :%s", bcptr->name, comment);
477 remove_user_from_all_channels(bcptr);
479 /* Clean up invitefield */
480 while ((lp = bcptr->user->invited))
481 del_invite(bcptr, lp->value.chptr);
483 /* Clean up silencefield */
484 while ((lp = bcptr->user->silence))
485 del_silence(bcptr, lp->value.cp);
487 if (IsInvisible(bcptr))
488 --UserStats.inv_clients;
491 if (MyConnect(bcptr))
492 Count_clientdisconnects(bcptr, UserStats);
494 Count_remoteclientquits(UserStats, bcptr);
496 else if (IsServer(bcptr))
498 /* Remove downlink list node of uplink */
499 remove_dlink(&bcptr->serv->up->serv->down, bcptr->serv->updown);
500 bcptr->serv->updown = 0;
502 if (MyConnect(bcptr))
503 Count_serverdisconnects(UserStats);
505 Count_remoteserverquits(UserStats);
507 else if (IsMe(bcptr))
509 sendto_ops("ERROR: tried to exit me! : %s", comment);
510 return; /* ...must *never* exit self! */
512 else if (IsUnknown(bcptr) || IsConnecting(bcptr) || IsHandshake(bcptr))
513 Count_unknowndisconnects(UserStats);
518 if (IsIPChecked(bcptr))
519 IPcheck_disconnect(bcptr);
522 * Remove from serv->client_list
523 * NOTE: user is *always* NULL if this is a server
526 assert(!IsServer(bcptr));
527 /* bcptr->user->server->serv->client_list[IndexYXX(bcptr)] = NULL; */
528 RemoveYXXClient(bcptr->user->server, bcptr->yxx);
531 /* Remove bcptr from the client list */
533 if (hRemClient(bcptr) != 0)
534 Debug((DEBUG_ERROR, "%p !in tab %s[%s] %p %p %p %d %d %p",
535 bcptr, bcptr->name, bcptr->from ? bcptr->from->sockhost : "??host",
536 bcptr->from, bcptr->next, bcptr->prev, bcptr->fd,
537 bcptr->status, bcptr->user));
541 remove_client_from_list(bcptr);
547 memset(&ircst, 0, sizeof(ircst));
550 void tstats(struct Client *cptr, char *name)
552 struct Client *acptr;
554 struct ServerStatistics *sp;
555 struct ServerStatistics tmp;
558 memcpy(sp, ServerStats, sizeof(struct ServerStatistics));
559 for (i = 0; i < MAXCONNECTIONS; i++)
561 if (!(acptr = LocalClientArray[i]))
565 sp->is_sbs += acptr->sendB;
566 sp->is_sbr += acptr->receiveB;
567 sp->is_sks += acptr->sendK;
568 sp->is_skr += acptr->receiveK;
569 sp->is_sti += CurrentTime - acptr->firsttime;
571 if (sp->is_sbs > 1023)
573 sp->is_sks += (sp->is_sbs >> 10);
576 if (sp->is_sbr > 1023)
578 sp->is_skr += (sp->is_sbr >> 10);
582 else if (IsUser(acptr))
584 sp->is_cbs += acptr->sendB;
585 sp->is_cbr += acptr->receiveB;
586 sp->is_cks += acptr->sendK;
587 sp->is_ckr += acptr->receiveK;
588 sp->is_cti += CurrentTime - acptr->firsttime;
590 if (sp->is_cbs > 1023)
592 sp->is_cks += (sp->is_cbs >> 10);
595 if (sp->is_cbr > 1023)
597 sp->is_ckr += (sp->is_cbr >> 10);
601 else if (IsUnknown(acptr))
605 sendto_one(cptr, ":%s %d %s :accepts %u refused %u",
606 me.name, RPL_STATSDEBUG, name, sp->is_ac, sp->is_ref);
607 sendto_one(cptr, ":%s %d %s :unknown commands %u prefixes %u",
608 me.name, RPL_STATSDEBUG, name, sp->is_unco, sp->is_unpf);
609 sendto_one(cptr, ":%s %d %s :nick collisions %u unknown closes %u",
610 me.name, RPL_STATSDEBUG, name, sp->is_kill, sp->is_ni);
611 sendto_one(cptr, ":%s %d %s :wrong direction %u empty %u",
612 me.name, RPL_STATSDEBUG, name, sp->is_wrdi, sp->is_empt);
613 sendto_one(cptr, ":%s %d %s :numerics seen %u mode fakes %u",
614 me.name, RPL_STATSDEBUG, name, sp->is_num, sp->is_fake);
615 sendto_one(cptr, ":%s %d %s :auth successes %u fails %u",
616 me.name, RPL_STATSDEBUG, name, sp->is_asuc, sp->is_abad);
617 sendto_one(cptr, ":%s %d %s :local connections %u",
618 me.name, RPL_STATSDEBUG, name, sp->is_loc);
619 sendto_one(cptr, ":%s %d %s :Client Server", me.name, RPL_STATSDEBUG, name);
620 sendto_one(cptr, ":%s %d %s :connected %u %u",
621 me.name, RPL_STATSDEBUG, name, sp->is_cl, sp->is_sv);
622 sendto_one(cptr, ":%s %d %s :bytes sent %u.%uK %u.%uK",
623 me.name, RPL_STATSDEBUG, name,
624 sp->is_cks, sp->is_cbs, sp->is_sks, sp->is_sbs);
625 sendto_one(cptr, ":%s %d %s :bytes recv %u.%uK %u.%uK",
626 me.name, RPL_STATSDEBUG, name,
627 sp->is_ckr, sp->is_cbr, sp->is_skr, sp->is_sbr);
628 sendto_one(cptr, ":%s %d %s :time connected " TIME_T_FMT " " TIME_T_FMT,
629 me.name, RPL_STATSDEBUG, name, sp->is_cti, sp->is_sti);