258 lines
6.2 KiB
C
258 lines
6.2 KiB
C
/*
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* ircd-ratbox: A slightly useful ircd.
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* m_accept.c: Allows a user to talk to a +g user.
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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 "client.h"
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#include "hash.h"
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#include "ircd.h"
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#include "numeric.h"
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#include "s_conf.h"
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#include "s_serv.h"
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#include "send.h"
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#include "msg.h"
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#include "parse.h"
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#include "modules.h"
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static int m_accept(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
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static void build_nicklist(struct Client *, char *, char *, const char *);
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static void add_accept(struct Client *, struct Client *);
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static void list_accepts(struct Client *);
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struct Message accept_msgtab = {
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"ACCEPT", 0, 0, 0, 0,
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{mg_unreg, {m_accept, 2}, mg_ignore, mg_ignore, mg_ignore, {m_accept, 2}}
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};
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mapi_clist_av1 accept_clist[] = {
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&accept_msgtab, NULL
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};
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DECLARE_MODULE_AV1(accept, NULL, NULL, accept_clist, NULL, NULL, "$Revision: 254 $");
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/*
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* m_accept - ACCEPT command handler
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* parv[1] = servername
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*/
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static int
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m_accept(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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char *nick;
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char *p = NULL;
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static char addbuf[BUFSIZE];
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static char delbuf[BUFSIZE];
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struct Client *target_p;
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int accept_num;
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if(*parv[1] == '*')
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{
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list_accepts(source_p);
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return 0;
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}
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build_nicklist(source_p, addbuf, delbuf, parv[1]);
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/* parse the delete list */
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for (nick = rb_strtok_r(delbuf, ",", &p); nick != NULL; nick = rb_strtok_r(NULL, ",", &p))
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{
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/* shouldnt happen, but lets be paranoid */
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if((target_p = find_named_person(nick)) == NULL)
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{
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sendto_one_numeric(source_p, ERR_NOSUCHNICK,
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form_str(ERR_NOSUCHNICK), nick);
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continue;
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}
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/* user isnt on clients accept list */
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if(!accept_message(target_p, source_p))
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{
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sendto_one(source_p, form_str(ERR_ACCEPTNOT),
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me.name, source_p->name, target_p->name);
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continue;
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}
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rb_dlinkFindDestroy(target_p, &source_p->localClient->allow_list);
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rb_dlinkFindDestroy(source_p, &target_p->on_allow_list);
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}
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/* get the number of accepts they have */
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accept_num = rb_dlink_list_length(&source_p->localClient->allow_list);
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/* parse the add list */
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for (nick = rb_strtok_r(addbuf, ",", &p); nick; nick = rb_strtok_r(NULL, ",", &p), accept_num++)
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{
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/* shouldnt happen, but lets be paranoid */
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if((target_p = find_named_person(nick)) == NULL)
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{
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sendto_one_numeric(source_p, ERR_NOSUCHNICK,
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form_str(ERR_NOSUCHNICK), nick);
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continue;
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}
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/* user is already on clients accept list */
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if(accept_message(target_p, source_p))
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{
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sendto_one(source_p, form_str(ERR_ACCEPTEXIST),
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me.name, source_p->name, target_p->name);
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continue;
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}
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if(accept_num >= ConfigFileEntry.max_accept)
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{
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sendto_one(source_p, form_str(ERR_ACCEPTFULL), me.name, source_p->name);
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return 0;
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}
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/* why is this here? */
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/* del_from accept(target_p, source_p); */
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add_accept(source_p, target_p);
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}
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return 0;
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}
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/*
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* build_nicklist()
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*
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* input - pointer to client
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* - pointer to addbuffer
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* - pointer to remove buffer
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* - pointer to list of nicks
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* output -
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* side effects - addbuf/delbuf are modified to give valid nicks
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*/
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static void
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build_nicklist(struct Client *source_p, char *addbuf, char *delbuf, const char *nicks)
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{
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char *name;
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char *p;
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int lenadd;
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int lendel;
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int del;
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char *n = LOCAL_COPY(nicks);
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*addbuf = *delbuf = '\0';
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del = lenadd = lendel = 0;
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/* build list of clients to add into addbuf, clients to remove in delbuf */
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for (name = rb_strtok_r(n, ",", &p); name; name = rb_strtok_r(NULL, ",", &p), del = 0)
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{
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if(*name == '-')
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{
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del = 1;
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name++;
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}
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if(find_named_person(name) == NULL)
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{
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sendto_one_numeric(source_p, ERR_NOSUCHNICK,
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form_str(ERR_NOSUCHNICK), name);
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continue;
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}
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/* we're deleting a client */
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if(del)
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{
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if(*delbuf)
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(void) strcat(delbuf, ",");
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(void) strncat(delbuf, name, BUFSIZE - lendel - 1);
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lendel += strlen(name) + 1;
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}
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/* adding a client */
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else
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{
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if(*addbuf)
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(void) strcat(addbuf, ",");
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(void) strncat(addbuf, name, BUFSIZE - lenadd - 1);
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lenadd += strlen(name) + 1;
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}
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}
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}
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/*
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* add_accept()
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*
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* input - pointer to clients accept list to add to
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* - pointer to client to add
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* output - none
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* side effects - target is added to clients list
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*/
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static void
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add_accept(struct Client *source_p, struct Client *target_p)
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{
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rb_dlinkAddAlloc(target_p, &source_p->localClient->allow_list);
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rb_dlinkAddAlloc(source_p, &target_p->on_allow_list);
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}
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/*
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* list_accepts()
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*
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* input - pointer to client
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* output - none
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* side effects - print accept list to client
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*/
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static void
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list_accepts(struct Client *source_p)
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{
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rb_dlink_node *ptr;
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struct Client *target_p;
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char nicks[BUFSIZE];
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int len = 0;
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int len2 = 0;
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int count = 0;
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*nicks = '\0';
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len2 = strlen(source_p->name) + 10;
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RB_DLINK_FOREACH(ptr, source_p->localClient->allow_list.head)
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{
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target_p = ptr->data;
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if(target_p)
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{
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if((len + strlen(target_p->name) + len2 > BUFSIZE) || count > 14)
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{
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sendto_one(source_p, form_str(RPL_ACCEPTLIST),
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me.name, source_p->name, nicks);
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len = count = 0;
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*nicks = '\0';
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}
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len += snprintf(nicks + len, sizeof(nicks) - len, "%s ", target_p->name);
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count++;
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}
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}
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if(*nicks)
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sendto_one(source_p, form_str(RPL_ACCEPTLIST),
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me.name, source_p->name, nicks);
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sendto_one(source_p, form_str(RPL_ENDOFACCEPT),
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me.name, source_p->name);
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}
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