/* * ircd-ratbox: A slightly useful ircd. * m_kick.c: Kicks a user from a channel. * * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center * Copyright (C) 1996-2002 Hybrid Development Team * Copyright (C) 2002-2005 ircd-ratbox development team * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * USA */ using namespace ircd; static const char description[] = "Provides the REMOVE command, an alternative to KICK"; static void m_remove(struct MsgBuf *, client::client *, client::client *, int, const char **); static void remove_quote_part(hook_data_privmsg_channel *); unsigned int CAP_REMOVE; static char part_buf[REASONLEN + 1]; struct Message remove_msgtab = { "REMOVE", 0, 0, 0, 0, {mg_unreg, {m_remove, 3}, {m_remove, 3}, {m_remove, 3}, mg_ignore, {m_remove, 3}} }; mapi_clist_av1 remove_clist[] = { &remove_msgtab, NULL }; mapi_hfn_list_av1 remove_hfnlist[] = { { "privmsg_channel", (hookfn) remove_quote_part }, { NULL, NULL } }; mapi_cap_list_av2 remove_cap_list[] = { { MAPI_CAP_SERVER, "REMOVE", NULL, &CAP_REMOVE }, { 0, NULL, NULL, NULL } }; DECLARE_MODULE_AV2(remove, NULL, NULL, remove_clist, NULL, remove_hfnlist, remove_cap_list, NULL, description); static void m_remove(struct MsgBuf *msgbuf_p, client::client *client_p, client::client *source_p, int parc, const char *parv[]) { chan::membership *msptr; client::client *who; chan::chan *chptr; int chasing = 0; char *comment; const char *name; char *p = NULL; const char *user; static char buf[BUFSIZE]; if(MyClient(source_p) && !IsFloodDone(source_p)) flood_endgrace(source_p); *buf = '\0'; if((p = (char *)strchr(parv[1], ','))) *p = '\0'; name = parv[1]; chptr = chan::get(name, std::nothrow); if(chptr == NULL) { sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL, form_str(ERR_NOSUCHCHANNEL), name); return; } if(!IsServer(source_p)) { msptr = get(chptr->members, *source_p, std::nothrow); if((msptr == NULL) && MyConnect(source_p)) { sendto_one_numeric(source_p, ERR_NOTONCHANNEL, form_str(ERR_NOTONCHANNEL), name); return; } if(get_channel_access(source_p, chptr, msptr, MODE_ADD, NULL) < chan::CHANOP) { if(MyConnect(source_p)) { sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED), me.name, source_p->name, name); return; } /* If its a TS 0 channel, do it the old way */ if(chptr->channelts == 0) { sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED), get_id(&me, source_p), get_id(source_p, source_p), name); return; } } /* Its a user doing a kick, but is not showing as chanop locally * its also not a user ON -my- server, and the channel has a TS. * There are two cases we can get to this point then... * * 1) connect burst is happening, and for some reason a legit * op has sent a KICK, but the SJOIN hasn't happened yet or * been seen. (who knows.. due to lag...) * * 2) The channel is desynced. That can STILL happen with TS * * Now, the old code roger wrote, would allow the KICK to * go through. Thats quite legit, but lets weird things like * KICKS by users who appear not to be chanopped happen, * or even neater, they appear not to be on the channel. * This fits every definition of a desync, doesn't it? ;-) * So I will allow the KICK, otherwise, things are MUCH worse. * But I will warn it as a possible desync. * * -Dianora */ } if((p = (char *)strchr(parv[2], ','))) *p = '\0'; user = parv[2]; /* strtoken(&p2, parv[2], ","); */ if(!(who = find_chasing(source_p, user, &chasing))) { return; } msptr = get(chptr->members, *who, std::nothrow); if(msptr != NULL) { if(MyClient(source_p) && IsService(who)) { sendto_one(source_p, form_str(ERR_ISCHANSERVICE), me.name, source_p->name, who->name, chptr->name.c_str()); return; } if(MyClient(source_p)) { hook_data_channel_approval hookdata; hookdata.client = source_p; hookdata.chptr = chptr; hookdata.msptr = msptr; hookdata.target = who; hookdata.approved = 1; hookdata.dir = MODE_ADD; /* ensure modules like override speak up */ call_hook(h_can_kick, &hookdata); if (!hookdata.approved) return; } comment = LOCAL_COPY((EmptyString(parv[3])) ? who->name : parv[3]); if(strlen(comment) > (size_t) REASONLEN) comment[REASONLEN] = '\0'; /* jdc * - In the case of a server kicking a user (i.e. CLEARCHAN), * the kick should show up as coming from the server which did * the kick. * - Personally, flame and I believe that server kicks shouldn't * be sent anyways. Just waiting for some oper to abuse it... */ sendto_channel_local(chan::ALL_MEMBERS, chptr, ":%s!%s@%s PART %s :requested by %s (%s)", who->name, who->username, who->host, name, source_p->name, comment); sendto_server(client_p, chptr, CAP_REMOVE, NOCAPS, ":%s REMOVE %s %s :%s", use_id(source_p), chptr->name.c_str(), use_id(who), comment); sendto_server(client_p, chptr, NOCAPS, CAP_REMOVE, ":%s KICK %s %s :%s", use_id(source_p), chptr->name.c_str(), use_id(who), comment); del(*chptr, get_client(*msptr)); } else if (MyClient(source_p)) sendto_one_numeric(source_p, ERR_USERNOTINCHANNEL, form_str(ERR_USERNOTINCHANNEL), user, name); } static void remove_quote_part(hook_data_privmsg_channel *data) { if (data->approved || EmptyString(data->text) || data->msgtype != MESSAGE_TYPE_PART) return; rb_strlcpy(part_buf, "\"", sizeof(part_buf) - 1); rb_strlcat(part_buf, data->text, sizeof(part_buf) - 1); rb_strlcat(part_buf, "\"", sizeof(part_buf)); data->text = part_buf; }