mirror of https://github.com/pissnet/pissircd.git
123 lines
3.5 KiB
C
123 lines
3.5 KiB
C
/*
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* IRC - Internet Relay Chat, src/modules/svsnick.c
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* (C) 2001 The UnrealIRCd Team
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*
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* svsnick command
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*
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* See file AUTHORS in IRC package for additional names of
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* the programmers.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 1, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "unrealircd.h"
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CMD_FUNC(cmd_svsnick);
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#define MSG_SVSNICK "SVSNICK"
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ModuleHeader MOD_HEADER
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= {
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"svsnick",
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"5.0",
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"command /svsnick",
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"UnrealIRCd Team",
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"unrealircd-6",
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};
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MOD_INIT()
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{
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CommandAdd(modinfo->handle, MSG_SVSNICK, cmd_svsnick, MAXPARA, CMD_SERVER);
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MARK_AS_OFFICIAL_MODULE(modinfo);
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return MOD_SUCCESS;
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}
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MOD_LOAD()
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{
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return MOD_SUCCESS;
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}
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MOD_UNLOAD()
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{
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return MOD_SUCCESS;
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}
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/*
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** cmd_svsnick
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** parv[1] = old nickname
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** parv[2] = new nickname
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** parv[3] = timestamp
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*/
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CMD_FUNC(cmd_svsnick)
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{
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Client *acptr;
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Client *ocptr; /* Other client */
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MessageTag *mtags = NULL;
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char nickname[NICKLEN+1];
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char oldnickname[NICKLEN+1];
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time_t ts;
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if (!IsSvsCmdOk(client) || parc < 4 || (strlen(parv[2]) > NICKLEN))
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return; /* This looks like an error anyway -Studded */
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if (hunt_server(client, NULL, "SVSNICK", 1, parc, parv) != HUNTED_ISME)
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return; /* Forwarded, done */
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strlcpy(nickname, parv[2], sizeof(nickname));
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if (do_nick_name(nickname) == 0)
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return;
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if (!(acptr = find_user(parv[1], NULL)))
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return; /* User not found, bail out */
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if ((ocptr = find_client(nickname, NULL)) && ocptr != acptr) /* Collision */
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{
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exit_client(acptr, NULL,
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"Nickname collision due to forced "
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"nickname change, your nick was overruled");
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return;
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}
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/* if the new nickname is identical to the old one, ignore it */
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if (!strcmp(acptr->name, nickname))
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return;
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strlcpy(oldnickname, acptr->name, sizeof(oldnickname));
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if (acptr != ocptr)
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acptr->umodes &= ~UMODE_REGNICK;
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ts = atol(parv[3]);
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/* no 'recv_mtags' here, we do not inherit from SVSNICK but generate a new NICK event */
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new_message(acptr, NULL, &mtags);
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mtag_add_issued_by(&mtags, client, recv_mtags);
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RunHook(HOOKTYPE_LOCAL_NICKCHANGE, acptr, mtags, nickname);
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sendto_local_common_channels(acptr, acptr, 0, mtags, ":%s NICK :%s", acptr->name, nickname);
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sendto_one(acptr, mtags, ":%s NICK :%s", acptr->name, nickname);
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sendto_server(NULL, 0, 0, mtags, ":%s NICK %s :%lld", acptr->id, nickname, (long long)ts);
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add_history(acptr, 1, WHOWAS_EVENT_NICK_CHANGE);
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acptr->lastnick = ts; /* needs to be done AFTER add_history() */
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del_from_client_hash_table(acptr->name, acptr);
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unreal_log(ULOG_INFO, "nick", "FORCED_NICK_CHANGE", acptr,
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"$client.details has been forced to change their nickname to $new_nick_name",
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log_data_string("new_nick_name", nickname));
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strlcpy(acptr->name, nickname, sizeof acptr->name);
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add_to_client_hash_table(nickname, acptr);
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RunHook(HOOKTYPE_POST_LOCAL_NICKCHANGE, acptr, mtags, oldnickname);
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free_message_tags(mtags);
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}
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