228 lines
6.5 KiB
C
228 lines
6.5 KiB
C
/*
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* ircd-ratbox: A slightly useful ircd.
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* m_kick.c: Kicks a user from a channel.
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*
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* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
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* Copyright (C) 1996-2002 Hybrid Development Team
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* Copyright (C) 2002-2005 ircd-ratbox development team
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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 2 of the License, or
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* (at your option) 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*/
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#include "stdinc.h"
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#include "channel.h"
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#include "client.h"
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#include "match.h"
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#include "ircd.h"
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#include "numeric.h"
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#include "send.h"
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#include "msg.h"
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#include "modules.h"
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#include "parse.h"
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#include "hash.h"
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#include "packet.h"
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#include "s_serv.h"
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#include "s_conf.h"
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#include "hook.h"
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#include "messages.h"
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static const char description[] = "Provides the REMOVE command, an alternative to KICK";
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static void m_remove(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
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static void remove_quote_part(void *);
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unsigned int CAP_REMOVE;
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static char part_buf[REASONLEN + 1];
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struct Message remove_msgtab = {
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"REMOVE", 0, 0, 0, 0,
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{mg_unreg, {m_remove, 3}, {m_remove, 3}, {m_remove, 3}, mg_ignore, {m_remove, 3}}
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};
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mapi_clist_av1 remove_clist[] = { &remove_msgtab, NULL };
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mapi_hfn_list_av1 remove_hfnlist[] = {
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{ "privmsg_channel", remove_quote_part },
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{ NULL, NULL }
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};
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mapi_cap_list_av2 remove_cap_list[] = {
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{ MAPI_CAP_SERVER, "REMOVE", NULL, &CAP_REMOVE },
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{ 0, NULL, NULL, NULL }
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};
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DECLARE_MODULE_AV2(remove, NULL, NULL, remove_clist, NULL, remove_hfnlist, remove_cap_list, NULL, description);
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static void
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m_remove(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
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{
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struct membership *sourcems, *targetms;
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struct Client *who;
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struct Channel *chptr;
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int chasing = 0;
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char *comment;
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const char *name;
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char *p = NULL;
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const char *user;
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static char buf[BUFSIZE];
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if(MyClient(source_p) && !IsFloodDone(source_p))
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flood_endgrace(source_p);
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*buf = '\0';
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if((p = strchr(parv[1], ',')))
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*p = '\0';
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name = parv[1];
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chptr = find_channel(name);
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if(chptr == NULL)
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{
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sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL, form_str(ERR_NOSUCHCHANNEL), name);
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return;
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}
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if(!IsServer(source_p))
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{
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sourcems = find_channel_membership(chptr, source_p);
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if((sourcems == NULL) && MyConnect(source_p))
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{
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sendto_one_numeric(source_p, ERR_NOTONCHANNEL,
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form_str(ERR_NOTONCHANNEL), name);
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return;
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}
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if(get_channel_access(source_p, chptr, sourcems, MODE_ADD, NULL) < CHFL_CHANOP)
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{
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if(MyConnect(source_p))
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{
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sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
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me.name, source_p->name, name);
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return;
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}
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/* If its a TS 0 channel, do it the old way */
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if(chptr->channelts == 0)
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{
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sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
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get_id(&me, source_p), get_id(source_p, source_p), name);
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return;
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}
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}
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/* Its a user doing a kick, but is not showing as chanop locally
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* its also not a user ON -my- server, and the channel has a TS.
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* There are two cases we can get to this point then...
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*
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* 1) connect burst is happening, and for some reason a legit
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* op has sent a KICK, but the SJOIN hasn't happened yet or
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* been seen. (who knows.. due to lag...)
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*
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* 2) The channel is desynced. That can STILL happen with TS
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*
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* Now, the old code roger wrote, would allow the KICK to
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* go through. Thats quite legit, but lets weird things like
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* KICKS by users who appear not to be chanopped happen,
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* or even neater, they appear not to be on the channel.
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* This fits every definition of a desync, doesn't it? ;-)
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* So I will allow the KICK, otherwise, things are MUCH worse.
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* But I will warn it as a possible desync.
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*
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* -Dianora
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*/
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}
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if((p = strchr(parv[2], ',')))
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*p = '\0';
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user = parv[2]; /* strtoken(&p2, parv[2], ","); */
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if(!(who = find_chasing(source_p, user, &chasing)))
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{
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return;
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}
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targetms = find_channel_membership(chptr, who);
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if(targetms != NULL)
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{
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if(MyClient(source_p) && IsService(who))
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{
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sendto_one(source_p, form_str(ERR_ISCHANSERVICE),
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me.name, source_p->name, who->name, chptr->chname);
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return;
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}
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if(MyClient(source_p))
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{
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hook_data_channel_approval hookdata;
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hookdata.client = source_p;
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hookdata.chptr = chptr;
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hookdata.msptr = sourcems;
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hookdata.target = who;
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hookdata.approved = 1;
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hookdata.dir = MODE_ADD; /* ensure modules like override speak up */
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call_hook(h_can_kick, &hookdata);
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if (!hookdata.approved)
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return;
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}
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comment = LOCAL_COPY((EmptyString(parv[3])) ? who->name : parv[3]);
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if(strlen(comment) > (size_t) REASONLEN)
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comment[REASONLEN] = '\0';
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/* jdc
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* - In the case of a server kicking a user (i.e. CLEARCHAN),
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* the kick should show up as coming from the server which did
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* the kick.
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* - Personally, flame and I believe that server kicks shouldn't
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* be sent anyways. Just waiting for some oper to abuse it...
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*/
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sendto_channel_local(who, ALL_MEMBERS, chptr,
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":%s!%s@%s PART %s :requested by %s (%s)",
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who->name, who->username,
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who->host, name, source_p->name, comment);
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sendto_server(client_p, chptr, CAP_REMOVE, NOCAPS,
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":%s REMOVE %s %s :%s",
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use_id(source_p), chptr->chname, use_id(who), comment);
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sendto_server(client_p, chptr, NOCAPS, CAP_REMOVE,
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":%s KICK %s %s :%s",
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use_id(source_p), chptr->chname, use_id(who), comment);
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remove_user_from_channel(targetms);
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}
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else if (MyClient(source_p))
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sendto_one_numeric(source_p, ERR_USERNOTINCHANNEL,
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form_str(ERR_USERNOTINCHANNEL), user, name);
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}
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static void
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remove_quote_part(void *data_)
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{
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hook_data_privmsg_channel *data = data_;
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if (data->approved || EmptyString(data->text) || data->msgtype != MESSAGE_TYPE_PART)
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return;
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rb_strlcpy(part_buf, "\"", sizeof(part_buf) - 1);
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rb_strlcat(part_buf, data->text, sizeof(part_buf) - 1);
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rb_strlcat(part_buf, "\"", sizeof(part_buf));
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data->text = part_buf;
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}
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