2 * IRC - Internet Relay Chat, ircd/m_server.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.
24 * @brief Handlers for the SERVER command.
34 #include "ircd_features.h"
35 #include "ircd_reply.h"
36 #include "ircd_string.h"
43 #include "querycmds.h"
52 /* #include <assert.h> -- Now using assert in ircd_log.h */
56 /** Clean up a server name.
57 * @param[in] host Input server name.
58 * @return NULL if the name is invalid, else pointer to cleaned-up name.
61 clean_servername(char *host)
65 * Check for "FRENCH " infection ;-) (actually this should
66 * be replaced with routine to check the hostname syntax in
67 * general). [ This check is still needed, even after the parse
68 * is fixed, because someone can send "SERVER :foo bar " ].
69 * Also, changed to check other "difficult" characters, now
70 * that parse lets all through... --msa
72 if (strlen(host) > HOSTLEN)
75 for (ch = host; *ch; ch++)
76 if (*ch <= ' ' || *ch > '~')
78 if (*ch || !strchr(host, '.') || strlen(host) > HOSTLEN)
83 /** Parse protocol version from a string.
84 * @param[in] proto String version of protocol number.
85 * @return Zero if \a proto is unrecognized, else protocol version.
88 parse_protocol(const char *proto)
91 if (strlen(proto) != 3 || (proto[0] != 'P' && proto[0] != 'J'))
94 if (prot > atoi(MAJOR_PROTOCOL))
95 prot = atoi(MAJOR_PROTOCOL);
99 /** Check whether the introduction of a new server would cause a loop
100 * or be disallowed by leaf and hub configuration directives.
101 * @param[in] cptr Neighbor who sent the message.
102 * @param[in] sptr Client that originated the message.
103 * @param[out] ghost If non-NULL, receives ghost timestamp for new server.
104 * @param[in] host Name of new server.
105 * @param[in] numnick Numnick mask of new server.
106 * @param[in] timestamp Claimed link timestamp of new server.
107 * @param[in] hop Number of hops to the new server.
108 * @param[in] junction Non-zero if the new server is still bursting.
109 * @return CPTR_KILLED if \a cptr was SQUIT. 0 if some other server
110 * was SQUIT. 1 if the new server is allowed.
113 check_loop_and_lh(struct Client* cptr, struct Client *sptr, time_t *ghost, const char *host, const char *numnick, time_t timestamp, int hop, int junction)
115 struct Client* acptr;
116 struct Client* LHcptr = NULL;
117 struct ConfItem* lhconf;
118 int active_lh_line = 0, ii;
124 * Calculate type of connect limit and applicable config item.
126 lhconf = find_conf_byname(cli_confs(cptr), cli_name(cptr), CONF_SERVER);
127 assert(lhconf != NULL);
130 if (!feature_bool(FEAT_HUB))
131 for (ii = 0; ii <= HighestFd; ii++)
132 if (LocalClientArray[ii] && IsServer(LocalClientArray[ii])) {
137 else if (hop > lhconf->maximum)
141 else if (lhconf->hub_limit && match(lhconf->hub_limit, host))
143 struct Client *ac3ptr;
146 for (ac3ptr = sptr; ac3ptr != &me; ac3ptr = cli_serv(ac3ptr)->up)
147 if (IsJunction(ac3ptr)) {
154 * We want to find IsConnecting() and IsHandshake() too,
156 * The second finds collisions with numeric representation of existing
157 * servers - these shouldn't happen anymore when all upgraded to 2.10.
160 while ((acptr = FindClient(host))
161 || (numnick && (acptr = FindNServer(numnick))))
164 * This link is trying feed me a server that I already have
165 * access through another path
167 * Do not allow Uworld to do this.
168 * Do not allow servers that are juped.
169 * Do not allow servers that have older link timestamps
171 * Do not allow servers that use the same numeric as an existing
172 * server, but have a different name.
174 * If my ircd.conf sucks, I can try to connect to myself:
177 return exit_client_msg(cptr, cptr, &me, "nick collision with me (%s), check server number in M:?", host);
179 * Detect wrong numeric.
181 if (0 != ircd_strcmp(cli_name(acptr), host))
183 sendcmdto_serv_butone(&me, CMD_WALLOPS, cptr,
184 ":SERVER Numeric Collision: %s != %s",
185 cli_name(acptr), host);
186 return exit_client_msg(cptr, cptr, &me,
187 "NUMERIC collision between %s and %s."
188 " Is your server numeric correct ?", host, cli_name(acptr));
191 * Kill our try, if we had one.
193 if (IsConnecting(acptr))
195 if (!active_lh_line && exit_client(cptr, acptr, &me,
196 "Just connected via another link") == CPTR_KILLED)
199 * We can have only ONE 'IsConnecting', 'IsHandshake' or
200 * 'IsServer', because new 'IsConnecting's are refused to
201 * the same server if we already had it.
206 * Avoid other nick collisions...
207 * This is a doubtful test though, what else would it be
208 * when it has a server.name ?
210 else if (!IsServer(acptr) && !IsHandshake(acptr))
211 return exit_client_msg(cptr, cptr, &me,
212 "Nickname %s already exists!", host);
214 * Our new server might be a juped server,
215 * or someone trying abuse a second Uworld:
217 else if (IsServer(acptr) && (0 == ircd_strncmp(cli_info(acptr), "JUPE", 4) ||
218 find_conf_byhost(cli_confs(cptr), cli_name(acptr), CONF_UWORLD)))
221 return exit_client(cptr, sptr, &me, cli_info(acptr));
222 sendcmdto_serv_butone(&me, CMD_WALLOPS, cptr,
223 ":Received :%s SERVER %s from %s !?!",
224 NumServ(cptr), host, cli_name(cptr));
225 return exit_new_server(cptr, sptr, host, timestamp, "%s", cli_info(acptr));
228 * Of course we find the handshake this link was before :)
230 else if (IsHandshake(acptr) && acptr == cptr)
233 * Here we have a server nick collision...
234 * We don't want to kill the link that was last /connected,
235 * but we neither want to kill a good (old) link.
236 * Therefor we kill the second youngest link.
240 struct Client* c2ptr = 0;
241 struct Client* c3ptr = acptr;
242 struct Client* ac2ptr;
243 struct Client* ac3ptr;
245 /* Search youngest link: */
246 for (ac3ptr = acptr; ac3ptr != &me; ac3ptr = cli_serv(ac3ptr)->up)
247 if (cli_serv(ac3ptr)->timestamp > cli_serv(c3ptr)->timestamp)
251 for (ac3ptr = sptr; ac3ptr != &me; ac3ptr = cli_serv(ac3ptr)->up)
252 if (cli_serv(ac3ptr)->timestamp > cli_serv(c3ptr)->timestamp)
255 if (timestamp > cli_serv(c3ptr)->timestamp)
258 c2ptr = acptr; /* Make sure they differ */
260 /* Search second youngest link: */
261 for (ac2ptr = acptr; ac2ptr != &me; ac2ptr = cli_serv(ac2ptr)->up)
262 if (ac2ptr != c3ptr &&
263 cli_serv(ac2ptr)->timestamp >
264 (c2ptr ? cli_serv(c2ptr)->timestamp : timestamp))
268 for (ac2ptr = sptr; ac2ptr != &me; ac2ptr = cli_serv(ac2ptr)->up)
269 if (ac2ptr != c3ptr &&
270 cli_serv(ac2ptr)->timestamp >
271 (c2ptr ? cli_serv(c2ptr)->timestamp : timestamp))
274 if (c3ptr && timestamp > (c2ptr ? cli_serv(c2ptr)->timestamp : timestamp))
276 /* If timestamps are equal, decide which link to break
279 if ((c2ptr ? cli_serv(c2ptr)->timestamp : timestamp) ==
280 (c3ptr ? cli_serv(c3ptr)->timestamp : timestamp))
282 const char *n2, *n2up, *n3, *n3up;
285 n2 = cli_name(c2ptr);
286 n2up = MyConnect(c2ptr) ? cli_name(&me) : cli_name(cli_serv(c2ptr)->up);
291 n2up = IsServer(sptr) ? cli_name(sptr) : cli_name(&me);
295 n3 = cli_name(c3ptr);
296 n3up = MyConnect(c3ptr) ? cli_name(&me) : cli_name(cli_serv(c3ptr)->up);
301 n3up = IsServer(sptr) ? cli_name(sptr) : cli_name(&me);
303 if (strcmp(n2, n2up) > 0)
305 if (strcmp(n3, n3up) > 0)
307 if (strcmp(n3, n2) > 0)
314 /* Now squit the second youngest link: */
316 return exit_new_server(cptr, sptr, host, timestamp,
317 "server %s already exists and is %ld seconds younger.",
318 host, (long)cli_serv(acptr)->timestamp - (long)timestamp);
319 else if (cli_from(c2ptr) == cptr || IsServer(sptr))
321 struct Client *killedptrfrom = cli_from(c2ptr);
325 * If the L: or H: line also gets rid of this link,
326 * we sent just one squit.
328 if (LHcptr && a_kills_b_too(LHcptr, c2ptr))
331 * If breaking the loop here solves the L: or H:
332 * line problem, we don't squit that.
334 if (cli_from(c2ptr) == cptr || (LHcptr && a_kills_b_too(c2ptr, LHcptr)))
339 * If we still have a L: or H: line problem,
340 * we prefer to squit the new server, solving
341 * loop and L:/H: line problem with only one squit.
348 * If the new server was introduced by a server that caused a
349 * Ghost less then 20 seconds ago, this is probably also
350 * a Ghost... (20 seconds is more then enough because all
351 * SERVER messages are at the beginning of a net.burst). --Run
353 if (CurrentTime - cli_serv(cptr)->ghost < 20)
355 killedptrfrom = cli_from(acptr);
356 if (exit_client(cptr, acptr, &me, "Ghost loop") == CPTR_KILLED)
359 else if (exit_client_msg(cptr, c2ptr, &me,
360 "Loop <-- %s (new link is %ld seconds younger)", host,
361 (c3ptr ? (long)cli_serv(c3ptr)->timestamp : timestamp) -
362 (long)cli_serv(c2ptr)->timestamp) == CPTR_KILLED)
365 * Did we kill the incoming server off already ?
367 if (killedptrfrom == cptr)
374 if (LHcptr && a_kills_b_too(LHcptr, acptr))
376 if (cli_from(acptr) == cptr || (LHcptr && a_kills_b_too(acptr, LHcptr)))
385 * We can't believe it is a lagged server message
386 * when it directly connects to us...
387 * kill the older link at the ghost, rather then
388 * at the second youngest link, assuming it isn't
392 *ghost = CurrentTime; /* Mark that it caused a ghost */
393 if (exit_client(cptr, acptr, &me, "Ghost") == CPTR_KILLED)
404 killed = a_kills_b_too(LHcptr, sptr);
407 if (active_lh_line == 1)
409 if (exit_client_msg(cptr, LHcptr, &me,
410 "Maximum hops exceeded for %s at %s",
411 cli_name(cptr), host) == CPTR_KILLED)
414 else if (active_lh_line == 2)
416 if (exit_client_msg(cptr, LHcptr, &me,
417 "%s is not allowed to hub for %s",
418 cli_name(cptr), host) == CPTR_KILLED)
423 ServerStats->is_ref++;
424 if (exit_client(cptr, LHcptr, &me, "I'm a leaf, define HUB") == CPTR_KILLED)
427 /* We just squit somebody, and it wasn't cptr. */
434 /** Update server start timestamps and TS offsets.
435 * @param[in] cptr Server that just connected.
436 * @param[in] timestamp Current time according to \a cptr.
437 * @param[in] start_timestamp Time that \a cptr started.
438 * @param[in] recv_time Current time as we know it.
441 check_start_timestamp(struct Client *cptr, time_t timestamp, time_t start_timestamp, time_t recv_time)
443 Debug((DEBUG_DEBUG, "My start time: %Tu; other's start time: %Tu",
444 cli_serv(&me)->timestamp, start_timestamp));
445 Debug((DEBUG_DEBUG, "Receive time: %Tu; received timestamp: %Tu; "
446 "difference %ld", recv_time, timestamp, timestamp - recv_time));
447 if (feature_bool(FEAT_RELIABLE_CLOCK)) {
448 if (start_timestamp < cli_serv(&me)->timestamp)
449 cli_serv(&me)->timestamp = start_timestamp;
451 cli_serv(cptr)->timestamp = TStime();
452 } else if (start_timestamp < cli_serv(&me)->timestamp) {
453 sendto_opmask_butone(0, SNO_OLDSNO, "got earlier start time: "
454 "%Tu < %Tu", start_timestamp,
455 cli_serv(&me)->timestamp);
456 cli_serv(&me)->timestamp = start_timestamp;
457 TSoffset += timestamp - recv_time;
458 sendto_opmask_butone(0, SNO_OLDSNO, "clock adjusted by adding %d",
459 (int)(timestamp - recv_time));
460 } else if ((start_timestamp > cli_serv(&me)->timestamp) &&
462 cli_serv(cptr)->timestamp = TStime();
463 } else if (timestamp != recv_time) {
465 * Equal start times, we have a collision. Let the connected-to
466 * server decide. This assumes leafs issue more than half of the
467 * connection attempts.
470 cli_serv(cptr)->timestamp = TStime();
471 else if (IsHandshake(cptr)) {
472 sendto_opmask_butone(0, SNO_OLDSNO, "clock adjusted by adding %d",
473 (int)(timestamp - recv_time));
474 TSoffset += timestamp - recv_time;
479 /** Interpret a server's flags.
481 * @param[in] cptr New server structure.
482 * @param[in] flags String listing server's P10 flags.
484 void set_server_flags(struct Client *cptr, const char *flags)
486 while (*flags) switch (*flags++) {
487 case 'h': SetHub(cptr); break;
488 case 's': SetService(cptr); break;
489 case '6': SetIPv6(cptr); break;
493 /** Handle a SERVER message from an unregistered connection.
495 * \a parv has the following elements:
496 * \li \a parv[1] is the server name
497 * \li \a parv[2] is the hop count to the server
498 * \li \a parv[3] is the start timestamp for the server
499 * \li \a parv[4] is the link timestamp
500 * \li \a parv[5] is the protocol version (P10 or J10)
501 * \li \a parv[6] is the numnick mask for the server
502 * \li \a parv[7] is a string of flags like +hs to mark hubs and services
503 * \li \a parv[\a parc - 1] is the server description
505 * See @ref m_functions for discussion of the arguments.
506 * @param[in] cptr Client that sent us the message.
507 * @param[in] sptr Original source of message.
508 * @param[in] parc Number of arguments.
509 * @param[in] parv Argument vector.
511 int mr_server(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
514 struct ConfItem* aconf;
519 time_t start_timestamp;
524 if (IsUserPort(cptr))
525 return exit_client_msg(cptr, cptr, &me,
526 "Cannot connect a server to a user port");
530 need_more_params(sptr, "SERVER");
531 return exit_client(cptr, cptr, &me, "Need more parameters");
533 host = clean_servername(parv[1]);
536 sendto_opmask_butone(0, SNO_OLDSNO, "Bogus server name (%s) from %s",
537 host, cli_name(cptr));
538 return exit_client_msg(cptr, cptr, &me, "Bogus server name (%s)", host);
541 if ((ajupe = jupe_find(host)) && JupeIsActive(ajupe))
542 return exit_client_msg(cptr, sptr, &me, "Juped: %s", JupeReason(ajupe));
544 /* check connection rules */
545 if (0 != conf_eval_crule(host, CRULE_ALL)) {
546 ServerStats->is_ref++;
547 sendto_opmask_butone(0, SNO_OLDSNO, "Refused connection from %s.", cli_name(cptr));
548 return exit_client(cptr, cptr, &me, "Disallowed by connection rule");
551 log_write(LS_NETWORK, L_NOTICE, LOG_NOSNOTICE, "SERVER: %s %s[%s]", host,
552 cli_sockhost(cptr), cli_sock_ip(cptr));
558 start_timestamp = atoi(parv[3]);
559 timestamp = atoi(parv[4]);
560 prot = parse_protocol(parv[5]);
562 return exit_client_msg(cptr, sptr, &me, "Bogus protocol (%s)", parv[5]);
563 else if (prot < atoi(MINOR_PROTOCOL))
564 return exit_new_server(cptr, sptr, host, timestamp,
565 "Incompatible protocol: %s", parv[5]);
567 Debug((DEBUG_INFO, "Got SERVER %s with timestamp [%s] age %Tu (%Tu)",
568 host, parv[4], start_timestamp, cli_serv(&me)->timestamp));
570 if (timestamp < OLDEST_TS || start_timestamp < OLDEST_TS)
571 return exit_client_msg(cptr, sptr, &me,
572 "Bogus timestamps (%s %s)", parv[3], parv[4]);
574 /* If the server had a different name before, change it. */
575 if (!EmptyString(cli_name(cptr)) &&
576 (IsUnknown(cptr) || IsHandshake(cptr)) &&
577 0 != ircd_strcmp(cli_name(cptr), host))
578 hChangeClient(cptr, host);
579 ircd_strncpy(cli_name(cptr), host, HOSTLEN);
580 ircd_strncpy(cli_info(cptr), parv[parc-1][0] ? parv[parc-1] : cli_name(&me), REALLEN);
581 cli_hopcount(cptr) = hop;
583 if (conf_check_server(cptr)) {
584 ++ServerStats->is_ref;
585 sendto_opmask_butone(0, SNO_OLDSNO, "Received unauthorized connection "
586 "from %s.", cli_name(cptr));
587 log_write(LS_NETWORK, L_NOTICE, LOG_NOSNOTICE, "Received unauthorized "
588 "connection from %C [%s]", cptr,
589 ircd_ntoa(&cli_ip(cptr)));
590 return exit_client(cptr, cptr, &me, "No Connect block");
593 host = cli_name(cptr);
597 if (!(aconf = find_conf_byname(cli_confs(cptr), host, CONF_SERVER))) {
598 ++ServerStats->is_ref;
599 sendto_opmask_butone(0, SNO_OLDSNO, "Access denied. No conf line for "
600 "server %s", cli_name(cptr));
601 return exit_client_msg(cptr, cptr, &me,
602 "Access denied. No conf line for server %s", cli_name(cptr));
605 if (*aconf->passwd && !!strcmp(aconf->passwd, cli_passwd(cptr))) {
606 ++ServerStats->is_ref;
607 sendto_opmask_butone(0, SNO_OLDSNO, "Access denied (passwd mismatch) %s",
609 return exit_client_msg(cptr, cptr, &me,
610 "No Access (passwd mismatch) %s", cli_name(cptr));
613 memset(cli_passwd(cptr), 0, sizeof(cli_passwd(cptr)));
615 ret = check_loop_and_lh(cptr, sptr, &ghost, host, (parc > 7 ? parv[6] : NULL), timestamp, hop, 1);
620 cli_serv(cptr)->timestamp = timestamp;
621 cli_serv(cptr)->prot = prot;
622 cli_serv(cptr)->ghost = ghost;
623 memset(cli_privs(cptr), 255, sizeof(struct Privs));
624 ClrPriv(cptr, PRIV_SET);
625 SetServerYXX(cptr, cptr, parv[6]);
627 /* Attach any necessary UWorld config items. */
628 attach_confs_byhost(cptr, host, CONF_UWORLD);
631 set_server_flags(cptr, parv[7] + 1);
633 recv_time = TStime();
634 check_start_timestamp(cptr, timestamp, start_timestamp, recv_time);
635 ret = server_estab(cptr, aconf);
637 if (feature_bool(FEAT_RELIABLE_CLOCK) &&
638 abs(cli_serv(cptr)->timestamp - recv_time) > 30) {
639 sendto_opmask_butone(0, SNO_OLDSNO, "Connected to a net with a "
640 "timestamp-clock difference of %Td seconds! "
641 "Used SETTIME to correct this.",
642 timestamp - recv_time);
643 sendcmdto_prio_one(&me, CMD_SETTIME, cptr, "%Tu :%s", TStime(),
650 /** Handle a SERVER message from another server.
652 * \a parv has the following elements:
653 * \li \a parv[1] is the server name
654 * \li \a parv[2] is the hop count to the server
655 * \li \a parv[3] is the start timestamp for the server
656 * \li \a parv[4] is the link timestamp
657 * \li \a parv[5] is the protocol version (P10 or J10)
658 * \li \a parv[6] is the numnick mask for the server
659 * \li \a parv[7] is a string of flags like +hs to mark hubs and services
660 * \li \a parv[\a parc - 1] is the server description
662 * See @ref m_functions for discussion of the arguments.
663 * @param[in] cptr Client that sent us the message.
664 * @param[in] sptr Original source of message.
665 * @param[in] parc Number of arguments.
666 * @param[in] parv Argument vector.
668 int ms_server(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
672 struct Client* acptr;
673 struct Client* bcptr;
677 time_t start_timestamp;
682 return need_more_params(sptr, "SERVER");
683 return exit_client(cptr, cptr, &me, "Need more parameters");
685 host = clean_servername(parv[1]);
688 sendto_opmask_butone(0, SNO_OLDSNO, "Bogus server name (%s) from %s",
689 host, cli_name(cptr));
690 return exit_client_msg(cptr, cptr, &me, "Bogus server name (%s)", host);
697 start_timestamp = atoi(parv[3]);
698 timestamp = atoi(parv[4]);
699 prot = parse_protocol(parv[5]);
701 return exit_client_msg(cptr, sptr, &me, "Bogus protocol (%s)", parv[5]);
702 else if (prot < atoi(MINOR_PROTOCOL))
703 return exit_new_server(cptr, sptr, host, timestamp,
704 "Incompatible protocol: %s", parv[5]);
706 Debug((DEBUG_INFO, "Got SERVER %s with timestamp [%s] age %Tu (%Tu)",
707 host, parv[4], start_timestamp, cli_serv(&me)->timestamp));
709 if (timestamp < OLDEST_TS)
710 return exit_client_msg(cptr, sptr, &me,
711 "Bogus timestamps (%s %s)", parv[3], parv[4]);
713 if (parv[parc - 1][0] == '\0')
714 return exit_client_msg(cptr, cptr, &me,
715 "No server info specified for %s", host);
717 ret = check_loop_and_lh(cptr, sptr, NULL, host, (parc > 7 ? parv[6] : NULL), timestamp, hop, parv[5][0] == 'J');
722 * Server is informing about a new server behind
723 * this link. Create REMOTE server structure,
724 * add it to list and propagate word to my other
728 acptr = make_client(cptr, STAT_SERVER);
730 cli_serv(acptr)->prot = prot;
731 cli_serv(acptr)->timestamp = timestamp;
732 cli_hopcount(acptr) = hop;
733 ircd_strncpy(cli_name(acptr), host, HOSTLEN);
734 ircd_strncpy(cli_info(acptr), parv[parc-1], REALLEN);
735 cli_serv(acptr)->up = sptr;
736 cli_serv(acptr)->updown = add_dlink(&(cli_serv(sptr))->down, acptr);
737 /* Use cptr, because we do protocol 9 -> 10 translation
738 for numeric nicks ! */
739 SetServerYXX(cptr, acptr, parv[6]);
741 /* Attach any necessary UWorld config items. */
742 attach_confs_byhost(cptr, host, CONF_UWORLD);
745 set_server_flags(acptr, parv[7] + 1);
747 Count_newremoteserver(UserStats);
748 if (Protocol(acptr) < 10)
749 SetFlag(acptr, FLAG_TS8);
750 add_client_to_list(acptr);
756 for (bcptr = cli_serv(acptr)->up; !IsMe(bcptr); bcptr = cli_serv(bcptr)->up)
757 if (IsBurstOrBurstAck(bcptr))
760 sendto_opmask_butone(0, SNO_NETWORK, "Net junction: %s %s",
761 cli_name(sptr), cli_name(acptr));
764 * Old sendto_serv_but_one() call removed because we now need to send
765 * different names to different servers (domain name matching).
767 for (i = 0; i <= HighestFd; i++)
769 if (!(bcptr = LocalClientArray[i]) || !IsServer(bcptr) ||
770 bcptr == cptr || IsMe(bcptr))
772 if (0 == match(cli_name(&me), cli_name(acptr)))
774 sendcmdto_one(sptr, CMD_SERVER, bcptr, "%s %d 0 %s %s %s%s +%s%s%s :%s",
775 cli_name(acptr), hop + 1, parv[4], parv[5],
776 NumServCap(acptr), IsHub(acptr) ? "h" : "",
777 IsService(acptr) ? "s" : "", IsIPv6(acptr) ? "6" : "",