2 * ngIRCd -- The Next Generation IRC Daemon
3 * Copyright (c)2001-2013 Alexander Barton (alex@barton.de) and Contributors.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 * Please read the file COPYING, README and AUTHORS for more information.
26 #include "conn-func.h"
36 #include "irc-macros.h"
37 #include "irc-write.h"
40 #include "irc-login.h"
42 static void Change_Nick PARAMS((CLIENT * Origin, CLIENT * Target, char *NewNick,
46 * Handler for the IRC "PASS" command.
48 * @param Client The client from which this command has been received.
49 * @param Req Request structure with prefix and all parameters.
50 * @return CONNECTED or DISCONNECTED.
53 IRC_PASS( CLIENT *Client, REQUEST *Req )
55 char *type, *orig_flags;
56 int protohigh, protolow;
58 assert( Client != NULL );
59 assert( Req != NULL );
61 /* Return an error if this is not a local client */
62 if (Client_Conn(Client) <= NONE)
63 return IRC_WriteErrClient(Client, ERR_UNKNOWNCOMMAND_MSG,
64 Client_ID(Client), Req->command);
66 if (Client_Type(Client) == CLIENT_UNKNOWN && Req->argc == 1) {
67 /* Not yet registered "unknown" connection, PASS with one
68 * argument: either a regular client, service, or server
69 * using the old RFC 1459 section 4.1.1 syntax. */
70 LogDebug("Connection %d: got PASS command (RFC 1459) ...",
72 } else if ((Client_Type(Client) == CLIENT_UNKNOWN ||
73 Client_Type(Client) == CLIENT_UNKNOWNSERVER) &&
74 (Req->argc == 3 || Req->argc == 4)) {
75 /* Not yet registered "unknown" connection or outgoing server
76 * link, PASS with three or four argument: server using the
77 * RFC 2813 section 4.1.1 syntax. */
78 LogDebug("Connection %d: got PASS command (RFC 2813, new server link) ...",
80 } else if (Client_Type(Client) == CLIENT_UNKNOWN ||
81 Client_Type(Client) == CLIENT_UNKNOWNSERVER) {
82 /* Unregistered connection, but wrong number of arguments: */
83 IRC_SetPenalty(Client, 2);
84 return IRC_WriteErrClient(Client, ERR_NEEDMOREPARAMS_MSG,
85 Client_ID(Client), Req->command);
87 /* Registered connection, PASS command is not allowed! */
88 return IRC_WriteErrClient(Client, ERR_ALREADYREGISTRED_MSG,
92 Conn_SetPassword(Client_Conn(Client), Req->argv[0]);
94 /* Protocol version */
95 if (Req->argc >= 2 && strlen(Req->argv[1]) >= 4) {
101 Req->argv[1][4] = '\0';
102 protolow = atoi(&Req->argv[1][2]);
103 Req->argv[1][2] = '\0';
104 protohigh = atoi(Req->argv[1]);
106 Req->argv[1][2] = c2;
107 Req->argv[1][4] = c4;
109 Client_SetType(Client, CLIENT_GOTPASS_2813);
111 protohigh = protolow = 0;
112 Client_SetType(Client, CLIENT_GOTPASS);
115 /* Protocol type, see doc/Protocol.txt */
116 if (Req->argc >= 2 && strlen(Req->argv[1]) > 4)
117 type = &Req->argv[1][4];
121 /* Protocol flags/options */
123 orig_flags = Req->argv[3];
127 /* Implementation, version and IRC+ flags */
128 if (Req->argc >= 3) {
129 char *impl, *ptr, *serverver, *flags;
132 ptr = strchr(impl, '|');
136 if (type && strcmp(type, PROTOIRCPLUS) == 0) {
137 /* The peer seems to be a server which supports the
138 * IRC+ protocol (see doc/Protocol.txt). */
139 serverver = ptr ? ptr + 1 : "?";
140 flags = strchr(ptr ? serverver : impl, ':');
147 "Peer on connection %d announces itself as %s-%s using protocol %d.%d/IRC+ (flags: \"%s\").",
148 Client_Conn(Client), impl, serverver,
149 protohigh, protolow, flags);
151 /* The peer seems to be a server supporting the
152 * "original" IRC protocol (RFC 2813). */
153 if (strchr(orig_flags, 'Z'))
158 "Peer on connection %d announces itself as \"%s\" using protocol %d.%d (flags: \"%s\").",
159 Client_Conn(Client), impl,
160 protohigh, protolow, flags);
162 Client_SetFlags(Client, flags);
169 * Handler for the IRC "NICK" command.
171 * @param Client The client from which this command has been received.
172 * @param Req Request structure with prefix and all parameters.
173 * @return CONNECTED or DISCONNECTED.
176 IRC_NICK( CLIENT *Client, REQUEST *Req )
178 CLIENT *intr_c, *target, *c;
179 char *nick, *user, *hostname, *modes, *info;
182 assert( Client != NULL );
183 assert( Req != NULL );
185 /* Some IRC clients, for example BitchX, send the NICK and USER
186 * commands in the wrong order ... */
187 if(Client_Type(Client) == CLIENT_UNKNOWN
188 || Client_Type(Client) == CLIENT_GOTPASS
189 || Client_Type(Client) == CLIENT_GOTNICK
191 || Client_Type(Client) == CLIENT_GOTUSER
193 || Client_Type(Client) == CLIENT_USER
194 || Client_Type(Client) == CLIENT_SERVICE
195 || (Client_Type(Client) == CLIENT_SERVER && Req->argc == 1))
197 /* User registration or change of nickname */
198 _IRC_ARGC_EQ_OR_RETURN_(Client, Req, 1)
200 /* Search "target" client */
201 if (Client_Type(Client) == CLIENT_SERVER) {
202 target = Client_Search(Req->prefix);
204 return IRC_WriteErrClient(Client,
209 /* Is this a restricted client? */
210 if (Client_HasMode(Client, 'r'))
211 return IRC_WriteErrClient(Client,
218 /* If the clients tries to change to its own nickname we won't
219 * do anything. This is how the original ircd behaves and some
220 * clients (for example Snak) expect it to be like this.
221 * But I doubt that this is "really the right thing" ... */
222 if (strcmp(Client_ID(target), Req->argv[0]) == 0)
226 /* Check that the new nickname is available. Special case:
227 * the client only changes from/to upper to lower case. */
228 if (strcasecmp(Client_ID(target), Req->argv[0]) != 0) {
229 if (!Client_CheckNick(target, Req->argv[0]))
233 if (Client_Type(target) != CLIENT_USER &&
234 Client_Type(target) != CLIENT_SERVICE &&
235 Client_Type(target) != CLIENT_SERVER) {
237 LogDebug("Connection %d: got valid NICK command ...",
238 Client_Conn( Client ));
240 /* Register new nickname of this client */
241 Client_SetID( target, Req->argv[0] );
245 Conn_SetAuthPing(Client_Conn(Client), rand());
246 IRC_WriteStrClient(Client, "PING :%ld",
247 Conn_GetAuthPing(Client_Conn(Client)));
248 LogDebug("Connection %d: sent AUTH PING %ld ...",
250 Conn_GetAuthPing(Client_Conn(Client)));
254 /* If we received a valid USER command already then
255 * register the new client! */
256 if( Client_Type( Client ) == CLIENT_GOTUSER )
257 return Login_User( Client );
259 Client_SetType( Client, CLIENT_GOTNICK );
261 /* Nickname change */
262 Change_Nick(Client, target, Req->argv[0],
263 Client_Type(Client) == CLIENT_USER ? true : false);
264 IRC_SetPenalty(target, 2);
268 } else if(Client_Type(Client) == CLIENT_SERVER ||
269 Client_Type(Client) == CLIENT_SERVICE) {
270 /* Server or service introduces new client */
272 /* Bad number of parameters? */
273 if (Req->argc != 2 && Req->argc != 7) {
274 IRC_SetPenalty(Client, 2);
275 return IRC_WriteErrClient(Client, ERR_NEEDMOREPARAMS_MSG,
276 Client_ID(Client), Req->command);
279 if (Req->argc >= 7) {
280 /* RFC 2813 compatible syntax */
282 hops = atoi(Req->argv[1]);
284 hostname = Req->argv[3];
285 token = atoi(Req->argv[4]);
286 modes = Req->argv[5] + 1;
289 /* RFC 1459 compatible syntax */
293 hostname = Client_ID(Client);
294 token = atoi(Req->argv[1]);
299 c = Client_Search(nick);
302 * the new nick is already present on this server:
303 * the new and the old one have to be disconnected now.
306 "Server %s introduces already registered nick \"%s\"!",
307 Client_ID(Client), Req->argv[0]);
308 return IRC_KillClient(Client, NULL, Req->argv[0],
312 /* Find the Server this client is connected to */
313 intr_c = Client_GetFromToken(Client, token);
316 "Server %s introduces nick \"%s\" on unknown server!?",
317 Client_ID(Client), Req->argv[0]);
318 return IRC_KillClient(Client, NULL, Req->argv[0],
322 c = Client_NewRemoteUser(intr_c, nick, hops, user, hostname,
323 token, modes, info, true);
325 /* Out of memory, we need to disconnect client to keep
326 * network state consistent! */
328 "Can't create client structure! (on connection %d)",
329 Client_Conn(Client));
330 return IRC_KillClient(Client, NULL, Req->argv[0],
334 /* RFC 2813: client is now fully registered, inform all the
335 * other servers about the new user.
336 * RFC 1459: announce the new client only after receiving the
337 * USER command, first we need more information! */
339 LogDebug("Client \"%s\" is being registered (RFC 1459) ...",
341 Client_SetType(c, CLIENT_GOTNICK);
343 Client_Introduce(Client, c, CLIENT_USER);
348 return IRC_WriteErrClient(Client, ERR_ALREADYREGISTRED_MSG,
353 * Handler for the IRC "SVSNICK" command.
355 * @param Client The client from which this command has been received.
356 * @param Req Request structure with prefix and all parameters.
357 * @return CONNECTED or DISCONNECTED.
360 IRC_SVSNICK(CLIENT *Client, REQUEST *Req)
362 CLIENT *from, *target;
364 assert(Client != NULL);
367 /* Search the originator */
368 from = Client_Search(Req->prefix);
372 /* Search the target */
373 target = Client_Search(Req->argv[0]);
374 if (!target || Client_Type(target) != CLIENT_USER) {
375 return IRC_WriteErrClient(Client, ERR_NOSUCHNICK_MSG,
376 Client_ID(Client), Req->argv[0]);
379 if (Client_Conn(target) <= NONE) {
380 /* We have to forward the message to the server handling
381 * this user; this is required to make sure all servers
382 * in the network do follow the nick name change! */
383 return IRC_WriteStrClientPrefix(Client_NextHop(target), from,
385 Req->argv[0], Req->argv[1]);
388 /* Make sure that the new nickname is valid */
389 if (!Client_CheckNick(from, Req->argv[1]))
392 Change_Nick(from, target, Req->argv[1], true);
397 * Handler for the IRC "USER" command.
399 * @param Client The client from which this command has been received.
400 * @param Req Request structure with prefix and all parameters.
401 * @return CONNECTED or DISCONNECTED.
404 IRC_USER(CLIENT * Client, REQUEST * Req)
409 assert(Client != NULL);
412 if (Client_Type(Client) == CLIENT_GOTNICK ||
414 Client_Type(Client) == CLIENT_UNKNOWN ||
416 Client_Type(Client) == CLIENT_GOTPASS)
419 _IRC_ARGC_EQ_OR_RETURN_(Client, Req, 4)
421 /* User name: only alphanumeric characters and limited
422 punctuation is allowed.*/
425 if (!isalnum((int)*ptr) &&
426 *ptr != '+' && *ptr != '-' && *ptr != '@' &&
427 *ptr != '.' && *ptr != '_') {
428 Conn_Close(Client_Conn(Client), NULL,
429 "Invalid user name", true);
435 /* Save the received username for authentication, and use
436 * it up to the first '@' as default user name (like ircd2.11,
437 * bahamut, ircd-seven, ...), prefixed with '~', if needed: */
438 Client_SetOrigUser(Client, Req->argv[0]);
439 ptr = strchr(Req->argv[0], '@');
443 ptr = Client_User(Client);
444 if (!ptr || !*ptr || *ptr == '~')
445 Client_SetUser(Client, Req->argv[0], false);
447 Client_SetUser(Client, Req->argv[0], false);
450 /* "Real name" or user info text: Don't set it to the empty
451 * string, the original ircd can't deal with such "real names"
452 * (e. g. "USER user * * :") ... */
454 Client_SetInfo(Client, Req->argv[3]);
456 Client_SetInfo(Client, "-");
458 LogDebug("Connection %d: got valid USER command ...",
459 Client_Conn(Client));
460 if (Client_Type(Client) == CLIENT_GOTNICK)
461 return Login_User(Client);
463 Client_SetType(Client, CLIENT_GOTUSER);
466 } else if (Client_Type(Client) == CLIENT_SERVER ||
467 Client_Type(Client) == CLIENT_SERVICE) {
468 /* Server/service updating an user */
469 _IRC_ARGC_EQ_OR_RETURN_(Client, Req, 4)
471 c = Client_Search(Req->prefix);
473 return IRC_WriteErrClient(Client, ERR_NOSUCHNICK_MSG,
477 Client_SetUser(c, Req->argv[0], true);
478 Client_SetOrigUser(c, Req->argv[0]);
479 Client_SetHostname(c, Req->argv[1]);
480 Client_SetInfo(c, Req->argv[3]);
482 LogDebug("Connection %d: got valid USER command for \"%s\".",
483 Client_Conn(Client), Client_Mask(c));
485 /* RFC 1459 style user registration?
486 * Introduce client to network: */
487 if (Client_Type(c) == CLIENT_GOTNICK)
488 Client_Introduce(Client, c, CLIENT_USER);
491 } else if (Client_Type(Client) == CLIENT_USER) {
492 /* Already registered connection */
493 return IRC_WriteErrClient(Client, ERR_ALREADYREGISTRED_MSG,
496 /* Unexpected/invalid connection state? */
497 return IRC_WriteErrClient(Client, ERR_NOTREGISTERED_MSG,
503 * Handler for the IRC "SERVICE" command.
505 * At the moment ngIRCd doesn't support directly linked services, so this
506 * function returns ERR_ERRONEUSNICKNAME when the SERVICE command has not been
507 * received from a peer server.
509 * @param Client The client from which this command has been received.
510 * @param Req Request structure with prefix and all parameters.
511 * @return CONNECTED or DISCONNECTED.
514 IRC_SERVICE(CLIENT *Client, REQUEST *Req)
517 char *nick, *user, *host, *info, *modes, *ptr;
520 assert(Client != NULL);
523 if (Client_Type(Client) != CLIENT_GOTPASS &&
524 Client_Type(Client) != CLIENT_SERVER)
525 return IRC_WriteErrClient(Client, ERR_ALREADYREGISTRED_MSG,
528 if (Client_Type(Client) != CLIENT_SERVER)
529 return IRC_WriteErrClient(Client, ERR_ERRONEUSNICKNAME_MSG,
530 Client_ID(Client), Req->argv[0]);
533 user = NULL; host = NULL;
534 token = atoi(Req->argv[1]);
535 hops = atoi(Req->argv[4]);
538 /* Validate service name ("nickname") */
539 c = Client_Search(nick);
541 /* Nickname collision: disconnect (KILL) both clients! */
543 "Server %s introduces already registered service \"%s\"!",
544 Client_ID(Client), nick);
545 return IRC_KillClient(Client, NULL, nick, "Nick collision");
548 /* Get the server to which the service is connected */
549 intr_c = Client_GetFromToken(Client, token);
552 "Server %s introduces service \"%s\" on unknown server!?",
553 Client_ID(Client), nick);
554 return IRC_KillClient(Client, NULL, nick, "Unknown server");
557 /* Get user and host name */
558 ptr = strchr(nick, '@');
564 host = Client_Hostname(intr_c);
565 ptr = strchr(nick, '!');
573 /* According to RFC 2812/2813 parameter 4 <type> "is currently reserved
574 * for future usage"; but we use it to transfer the modes and check
575 * that the first character is a '+' sign and ignore it otherwise. */
576 modes = (Req->argv[3][0] == '+') ? ++Req->argv[3] : "";
578 c = Client_NewRemoteUser(intr_c, nick, hops, user, host,
579 token, modes, info, true);
581 /* Couldn't create client structure, so KILL the service to
582 * keep network status consistent ... */
584 "Can't create client structure! (on connection %d)",
585 Client_Conn(Client));
586 return IRC_KillClient(Client, NULL, nick, "Server error");
589 Client_Introduce(Client, c, CLIENT_SERVICE);
594 * Handler for the IRC "WEBIRC" command.
596 * @param Client The client from which this command has been received.
597 * @param Req Request structure with prefix and all parameters.
598 * @return CONNECTED or DISCONNECTED.
601 IRC_WEBIRC(CLIENT *Client, REQUEST *Req)
603 if (!Conf_WebircPwd[0] || strcmp(Req->argv[0], Conf_WebircPwd) != 0)
604 return IRC_WriteErrClient(Client, ERR_PASSWDMISMATCH_MSG,
607 LogDebug("Connection %d: got valid WEBIRC command: user=%s, host=%s, ip=%s",
608 Client_Conn(Client), Req->argv[1], Req->argv[2], Req->argv[3]);
610 Client_SetUser(Client, Req->argv[1], true);
611 Client_SetOrigUser(Client, Req->argv[1]);
612 Client_SetHostname(Client, Req->argv[2]);
613 Client_SetIPAText(Client, Req->argv[3]);
619 * Handler for the IRC "QUIT" command.
621 * @param Client The client from which this command has been received.
622 * @param Req Request structure with prefix and all parameters.
623 * @return CONNECTED or DISCONNECTED.
626 IRC_QUIT( CLIENT *Client, REQUEST *Req )
629 char quitmsg[LINE_LEN];
631 assert(Client != NULL);
635 strlcpy(quitmsg, Req->argv[0], sizeof quitmsg);
637 if (Client_Type(Client) == CLIENT_SERVER) {
639 target = Client_Search(Req->prefix);
642 "Got QUIT from %s for unknown client!?",
647 if (target != Client) {
648 Client_Destroy(target, "Got QUIT command",
649 Req->argc == 1 ? quitmsg : NULL, true);
652 Conn_Close(Client_Conn(Client), "Got QUIT command",
653 Req->argc == 1 ? quitmsg : NULL, true);
657 if (Req->argc == 1 && quitmsg[0] != '\"') {
658 /* " " to avoid confusion */
659 strlcpy(quitmsg, "\"", sizeof quitmsg);
660 strlcat(quitmsg, Req->argv[0], sizeof quitmsg-1);
661 strlcat(quitmsg, "\"", sizeof quitmsg );
664 /* User, Service, or not yet registered */
665 Conn_Close(Client_Conn(Client), "Got QUIT command",
666 Req->argc == 1 ? quitmsg : NULL, true);
675 * Handler for HTTP command, e.g. GET and POST
677 * We handle these commands here to avoid the quite long timeout when
678 * some user tries to access this IRC daemon using an web browser ...
680 * @param Client The client from which this command has been received.
681 * @param Req Request structure with prefix and all parameters.
682 * @return CONNECTED or DISCONNECTED.
685 IRC_QUIT_HTTP( CLIENT *Client, REQUEST *Req )
688 Req->argv[0] = "Oops, HTTP request received? This is IRC!";
689 return IRC_QUIT(Client, Req);
690 } /* IRC_QUIT_HTTP */
695 * Handler for the IRC "PING" command.
697 * @param Client The client from which this command has been received.
698 * @param Req Request structure with prefix and all parameters.
699 * @return CONNECTED or DISCONNECTED.
702 IRC_PING(CLIENT *Client, REQUEST *Req)
704 CLIENT *target, *from;
706 assert(Client != NULL);
710 return IRC_WriteErrClient(Client, ERR_NOORIGIN_MSG,
713 /* Don't ignore additional arguments when in "strict" mode */
714 _IRC_ARGC_LE_OR_RETURN_(Client, Req, 2)
718 /* A target has been specified ... */
719 target = Client_Search(Req->argv[1]);
721 if (!target || Client_Type(target) != CLIENT_SERVER)
722 return IRC_WriteErrClient(Client, ERR_NOSUCHSERVER_MSG,
723 Client_ID(Client), Req->argv[1]);
725 if (target != Client_ThisServer()) {
726 /* Ok, we have to forward the PING */
727 if (Client_Type(Client) == CLIENT_SERVER)
728 from = Client_Search(Req->prefix);
732 return IRC_WriteErrClient(Client,
733 ERR_NOSUCHSERVER_MSG,
734 Client_ID(Client), Req->prefix);
736 return IRC_WriteStrClientPrefix(target, from,
737 "PING %s :%s", Req->argv[0],
742 if (Client_Type(Client) == CLIENT_SERVER) {
744 from = Client_Search(Req->prefix);
748 from = Client_ThisServer();
750 return IRC_WriteErrClient(Client, ERR_NOSUCHSERVER_MSG,
751 Client_ID(Client), Req->prefix);
753 Log(LOG_DEBUG, "Connection %d: got PING, sending PONG ...",
754 Client_Conn(Client));
757 return IRC_WriteStrClient(Client, "PONG %s :%s",
758 Client_ID(from), Client_ID(Client));
760 /* Some clients depend on the argument being returned in the PONG
761 * reply (not mentioned in any RFC, though) */
762 return IRC_WriteStrClient(Client, "PONG %s :%s",
763 Client_ID(from), Req->argv[0]);
768 * Handler for the IRC "PONG" command.
770 * @param Client The client from which this command has been received.
771 * @param Req Request structure with prefix and all parameters.
772 * @return CONNECTED or DISCONNECTED.
775 IRC_PONG(CLIENT *Client, REQUEST *Req)
777 CLIENT *target, *from;
784 assert(Client != NULL);
787 /* Wrong number of arguments? */
789 if (Client_Type(Client) == CLIENT_USER)
790 return IRC_WriteErrClient(Client, ERR_NOORIGIN_MSG,
795 if (Client_Type(Client) == CLIENT_USER) {
796 _IRC_ARGC_LE_OR_RETURN_(Client, Req, 2)
800 if (Req->argc == 2 && Client_Type(Client) == CLIENT_SERVER) {
801 target = Client_Search(Req->argv[0]);
803 return IRC_WriteErrClient(Client, ERR_NOSUCHSERVER_MSG,
804 Client_ID(Client), Req->argv[0]);
806 from = Client_Search(Req->prefix);
808 if (target != Client_ThisServer() && target != from) {
809 /* Ok, we have to forward the message. */
811 return IRC_WriteErrClient(Client,
812 ERR_NOSUCHSERVER_MSG,
813 Client_ID(Client), Req->prefix);
815 if (Client_Type(Client_NextHop(target)) != CLIENT_SERVER)
819 return IRC_WriteStrClientPrefix(target, from,
820 "PONG %s :%s", s, Req->argv[1]);
824 /* The connection timestamp has already been updated when the data has
825 * been read from so socket, so we don't need to update it here. */
827 conn = Client_Conn(Client);
830 /* Check authentication PING-PONG ... */
831 auth_ping = Conn_GetAuthPing(conn);
833 LogDebug("AUTH PONG: waiting for token \"%ld\", got \"%s\" ...",
834 auth_ping, Req->argv[0]);
835 if (auth_ping == atoi(Req->argv[0])) {
836 Conn_SetAuthPing(conn, 0);
837 if (Client_Type(Client) == CLIENT_WAITAUTHPING)
840 if (!IRC_WriteStrClient(Client,
841 "To connect, type /QUOTE PONG %ld",
847 if (Client_Type(Client) == CLIENT_SERVER && Conn_LastPing(conn) == 0) {
849 "Synchronization with \"%s\" done (connection %d): %ld second%s [%ld users, %ld channels].",
850 Client_ID(Client), conn, time(NULL) - Conn_GetSignon(conn),
851 time(NULL) - Conn_GetSignon(conn) == 1 ? "" : "s",
852 Client_UserCount(), Channel_CountVisible(NULL));
853 Conn_UpdatePing(conn);
855 LogDebug("Connection %d: received PONG. Lag: %ld seconds.",
856 conn, time(NULL) - Conn_LastPing(conn));
862 * Change the nickname of a client.
864 * @param Origin The client which caused the nickname change.
865 * @param Target The client of which the nickname should be changed.
866 * @param NewNick The new nickname.
869 Change_Nick(CLIENT *Origin, CLIENT *Target, char *NewNick, bool InformClient)
871 if (Client_Conn(Target) > NONE) {
874 "%s \"%s\" changed nick (connection %d): \"%s\" -> \"%s\".",
875 Client_TypeText(Target), Client_Mask(Target),
876 Client_Conn(Target), Client_ID(Target), NewNick);
877 Conn_UpdateIdle(Client_Conn(Target));
880 LogDebug("%s \"%s\" changed nick: \"%s\" -> \"%s\".",
881 Client_TypeText(Target),
882 Client_Mask(Target), Client_ID(Target), NewNick);
885 /* Inform all servers and users (which have to know) of the new name */
887 IRC_WriteStrClientPrefix(Target, Target, "NICK :%s", NewNick);
888 IRC_WriteStrServersPrefix(NULL, Target, "NICK :%s", NewNick);
890 IRC_WriteStrServersPrefix(Origin, Target, "NICK :%s", NewNick);
891 IRC_WriteStrRelatedPrefix(Target, Target, false, "NICK :%s", NewNick);
893 /* Register old nickname for WHOWAS queries */
894 Client_RegisterWhowas(Target);
896 /* Save new nickname */
897 Client_SetID(Target, NewNick);