mirror of
https://github.com/matrix-construct/construct
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337 lines
8.6 KiB
C
337 lines
8.6 KiB
C
/* modules/m_services.c
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* Copyright (C) 2005 Lee Hardy <lee -at- leeh.co.uk>
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* Copyright (C) 2005 ircd-ratbox development team
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* 1.Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2.Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3.The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: m_services.c 1907 2006-08-29 19:18:15Z jilles $
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*/
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#include "stdinc.h"
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#include "send.h"
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#include "channel.h"
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#include "client.h"
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#include "common.h"
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#include "config.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_newconf.h"
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#include "s_serv.h"
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#include "hash.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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#include "whowas.h"
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#include "monitor.h"
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static int me_su(struct Client *, struct Client *, int, const char **);
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static int me_login(struct Client *, struct Client *, int, const char **);
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static int me_rsfnc(struct Client *, struct Client *, int, const char **);
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static int me_nickdelay(struct Client *, struct Client *, int, const char **);
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static void h_svc_server_introduced(hook_data_client *);
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static void h_svc_whois(hook_data_client *);
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static void h_svc_stats(hook_data_int *);
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struct Message su_msgtab = {
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"SU", 0, 0, 0, MFLG_SLOW,
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{mg_ignore, mg_ignore, mg_ignore, mg_ignore, {me_su, 2}, mg_ignore}
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};
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struct Message login_msgtab = {
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"LOGIN", 0, 0, 0, MFLG_SLOW,
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{mg_ignore, mg_ignore, mg_ignore, mg_ignore, {me_login, 2}, mg_ignore}
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};
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struct Message rsfnc_msgtab = {
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"RSFNC", 0, 0, 0, MFLG_SLOW,
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{mg_ignore, mg_ignore, mg_ignore, mg_ignore, {me_rsfnc, 4}, mg_ignore}
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};
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struct Message nickdelay_msgtab = {
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"NICKDELAY", 0, 0, 0, MFLG_SLOW,
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{mg_unreg, mg_ignore, mg_ignore, mg_ignore, {me_nickdelay, 3}, mg_ignore}
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};
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mapi_clist_av1 services_clist[] = {
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&su_msgtab, &login_msgtab, &rsfnc_msgtab, &nickdelay_msgtab, NULL
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};
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mapi_hfn_list_av1 services_hfnlist[] = {
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{ "doing_stats", (hookfn) h_svc_stats },
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{ "doing_whois", (hookfn) h_svc_whois },
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{ "doing_whois_global", (hookfn) h_svc_whois },
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{ "server_introduced", (hookfn) h_svc_server_introduced },
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{ NULL, NULL }
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};
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DECLARE_MODULE_AV1(services, NULL, NULL, services_clist, NULL, services_hfnlist, "$Revision: 1907 $");
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static int
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me_su(struct Client *client_p, struct Client *source_p,
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int parc, const char *parv[])
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{
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struct Client *target_p;
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if(!(source_p->flags & FLAGS_SERVICE))
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return 0;
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if((target_p = find_client(parv[1])) == NULL)
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return 0;
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if(!target_p->user)
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return 0;
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if(EmptyString(parv[2]))
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target_p->user->suser[0] = '\0';
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else
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rb_strlcpy(target_p->user->suser, parv[2], sizeof(target_p->user->suser));
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sendto_common_channels_local_butone(target_p, CLICAP_ACCOUNT_NOTIFY, ":%s!%s@%s ACCOUNT %s",
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target_p->name, target_p->username, target_p->host,
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EmptyString(target_p->user->suser) ? "*" : target_p->user->suser);
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invalidate_bancache_user(target_p);
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return 0;
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}
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static int
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me_login(struct Client *client_p, struct Client *source_p,
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int parc, const char *parv[])
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{
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if(!IsPerson(source_p))
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return 0;
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rb_strlcpy(source_p->user->suser, parv[1], sizeof(source_p->user->suser));
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return 0;
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}
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static int
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clean_nick(const char *nick)
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{
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int len = 0;
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if(EmptyString(nick) || *nick == '-' || IsDigit(*nick))
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return 0;
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for(; *nick; nick++)
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{
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len++;
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if(!IsNickChar(*nick))
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return 0;
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}
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if(len >= NICKLEN)
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return 0;
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return 1;
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}
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static int
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me_rsfnc(struct Client *client_p, struct Client *source_p,
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int parc, const char *parv[])
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{
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struct Client *target_p;
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struct Client *exist_p;
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time_t newts, curts;
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char note[NICKLEN + 10];
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if(!(source_p->flags & FLAGS_SERVICE))
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return 0;
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if((target_p = find_person(parv[1])) == NULL)
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return 0;
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if(!MyClient(target_p))
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return 0;
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if(!clean_nick(parv[2]))
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return 0;
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curts = atol(parv[4]);
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/* if tsinfo is different from what it was when services issued the
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* RSFNC, then we ignore it. This can happen when a client changes
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* nicknames before the RSFNC arrives.. --anfl
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*/
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if(target_p->tsinfo != curts)
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return 0;
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if((exist_p = find_named_client(parv[2])))
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{
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char buf[BUFSIZE];
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/* this would be one hell of a race condition to trigger
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* this one given the tsinfo check above, but its here for
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* safety --anfl
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*/
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if(target_p == exist_p)
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goto doit;
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if(MyClient(exist_p))
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sendto_one(exist_p, ":%s KILL %s :(Nickname regained by services)",
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me.name, exist_p->name);
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exist_p->flags |= FLAGS_KILLED;
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/* Do not send kills to servers for unknowns -- jilles */
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if(IsClient(exist_p))
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{
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kill_client_serv_butone(NULL, exist_p, "%s (Nickname regained by services)",
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me.name);
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sendto_realops_snomask(SNO_SKILL, L_ALL,
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"Nick collision due to services forced nick change on %s",
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parv[2]);
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}
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rb_snprintf(buf, sizeof(buf), "Killed (%s (Nickname regained by services))",
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me.name);
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exit_client(NULL, exist_p, &me, buf);
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}
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doit:
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newts = atol(parv[3]);
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/* timestamp is older than 15mins, ignore it */
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if(newts < (rb_current_time() - 900))
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newts = rb_current_time() - 900;
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target_p->tsinfo = newts;
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monitor_signoff(target_p);
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invalidate_bancache_user(target_p);
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sendto_realops_snomask(SNO_NCHANGE, L_ALL,
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"Nick change: From %s to %s [%s@%s]",
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target_p->name, parv[2], target_p->username,
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target_p->host);
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sendto_common_channels_local(target_p, NOCAPS, ":%s!%s@%s NICK :%s",
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target_p->name, target_p->username,
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target_p->host, parv[2]);
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add_history(target_p, 1);
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sendto_server(NULL, NULL, CAP_TS6, NOCAPS, ":%s NICK %s :%ld",
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use_id(target_p), parv[2], (long) target_p->tsinfo);
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del_from_client_hash(target_p->name, target_p);
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rb_strlcpy(target_p->name, parv[2], NICKLEN);
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add_to_client_hash(target_p->name, target_p);
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monitor_signon(target_p);
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del_all_accepts(target_p);
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rb_snprintf(note, NICKLEN + 10, "Nick: %s", target_p->name);
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rb_note(target_p->localClient->F, note);
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return 0;
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}
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/*
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** me_nickdelay
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** parv[1] = duration in seconds (0 to remove)
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** parv[2] = nick
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*/
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static int
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me_nickdelay(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
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{
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int duration;
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struct nd_entry *nd;
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if(!(source_p->flags & FLAGS_SERVICE))
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return 0;
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duration = atoi(parv[1]);
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if (duration <= 0)
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{
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nd = irc_dictionary_retrieve(nd_dict, parv[2]);
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if (nd != NULL)
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free_nd_entry(nd);
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}
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else
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{
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if (duration > 86400)
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duration = 86400;
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add_nd_entry(parv[2]);
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nd = irc_dictionary_retrieve(nd_dict, parv[2]);
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if (nd != NULL)
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nd->expire = rb_current_time() + duration;
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}
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return 0;
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}
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static void
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h_svc_server_introduced(hook_data_client *hdata)
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{
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rb_dlink_node *ptr;
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RB_DLINK_FOREACH(ptr, service_list.head)
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{
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if(!irccmp((const char *) ptr->data, hdata->target->name))
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{
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hdata->target->flags |= FLAGS_SERVICE;
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return;
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}
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}
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}
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static void
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h_svc_whois(hook_data_client *data)
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{
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char *p = data->target->user->suser;
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if(!EmptyString(p))
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{
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/* Try to strip off any leading digits as this may be used to
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* store both an ID number and an account name in one field.
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* If only digits are present, leave as is.
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*/
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while(IsDigit(*p))
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p++;
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if(*p == '\0')
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p = data->target->user->suser;
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sendto_one_numeric(data->client, RPL_WHOISLOGGEDIN,
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form_str(RPL_WHOISLOGGEDIN),
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data->target->name, p);
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}
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}
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static void
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h_svc_stats(hook_data_int *data)
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{
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char statchar = (char) data->arg2;
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rb_dlink_node *ptr;
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if (statchar == 'U' && IsOper(data->client))
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{
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RB_DLINK_FOREACH(ptr, service_list.head)
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{
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sendto_one_numeric(data->client, RPL_STATSULINE,
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form_str(RPL_STATSULINE),
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(const char *)ptr->data, "*", "*", "s");
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}
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}
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}
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