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/* |
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* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd) |
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* |
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* Copyright (c) 2003-2016 ircd-hybrid 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 |
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* USA |
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*/ |
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|
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/*! \file m_xline.c |
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* \brief Includes required functions for processing the XLINE command. |
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* \version $Id$ |
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*/ |
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|
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#include "stdinc.h" |
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#include "list.h" |
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#include "client.h" |
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#include "irc_string.h" |
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#include "ircd.h" |
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#include "conf.h" |
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#include "conf_cluster.h" |
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#include "conf_shared.h" |
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#include "numeric.h" |
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#include "log.h" |
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#include "misc.h" |
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#include "send.h" |
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#include "server.h" |
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#include "parse.h" |
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#include "modules.h" |
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#include "memory.h" |
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|
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|
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static void |
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xline_check(struct MaskItem *conf) |
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{ |
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dlink_node *node = NULL, *node_next = NULL; |
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|
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DLINK_FOREACH_SAFE(node, node_next, local_client_list.head) |
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{ |
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struct Client *client_p = node->data; |
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|
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if (IsDead(client_p)) |
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continue; |
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|
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if (!match(conf->name, client_p->info)) |
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conf_try_ban(client_p, conf); |
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} |
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} |
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|
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/* valid_xline() |
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* |
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* inputs - client to complain to, gecos, reason, whether to complain |
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* outputs - 1 for valid, else 0 |
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* side effects - complains to client, when warn != 0 |
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*/ |
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static int |
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valid_xline(struct Client *source_p, const char *gecos) |
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{ |
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if (!valid_wild_card_simple(gecos)) |
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{ |
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if (IsClient(source_p)) |
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sendto_one_notice(source_p, &me, ":Please include at least %u non-wildcard characters with the xline", |
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ConfigGeneral.min_nonwildcard_simple); |
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return 0; |
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} |
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|
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return 1; |
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} |
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|
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/* xline_add() |
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* |
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* inputs - client taking credit for xline, gecos, reason, xline type |
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* outputs - none |
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* side effects - when successful, adds an xline to the conf |
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*/ |
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static void |
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xline_add(struct Client *source_p, const char *gecos, const char *reason, |
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time_t duration) |
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{ |
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char buf[IRCD_BUFSIZE]; |
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|
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if (duration) |
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snprintf(buf, sizeof(buf), "Temporary X-line %ju min. - %.*s (%s)", |
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duration / 60, REASONLEN, reason, date_iso8601(0)); |
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else |
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snprintf(buf, sizeof(buf), "%.*s (%s)", REASONLEN, reason, date_iso8601(0)); |
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|
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struct MaskItem *conf = conf_make(CONF_XLINE); |
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conf->name = xstrdup(gecos); |
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conf->reason = xstrdup(buf); |
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conf->setat = CurrentTime; |
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SetConfDatabase(conf); |
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|
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if (duration) |
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{ |
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conf->until = CurrentTime + duration; |
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|
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if (IsClient(source_p)) |
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sendto_one_notice(source_p, &me, ":Added temporary %ju min. X-Line [%s]", |
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duration / 60, conf->name); |
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|
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sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE, |
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"%s added temporary %ju min. X-Line for [%s] [%s]", |
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get_oper_name(source_p), duration / 60, |
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conf->name, conf->reason); |
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ilog(LOG_TYPE_XLINE, "%s added temporary %ju min. X-Line for [%s] [%s]", |
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get_oper_name(source_p), duration / 60, conf->name, conf->reason); |
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} |
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else |
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{ |
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if (IsClient(source_p)) |
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sendto_one_notice(source_p, &me, ":Added X-Line [%s] [%s]", |
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conf->name, conf->reason); |
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|
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sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE, |
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"%s added X-Line for [%s] [%s]", |
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get_oper_name(source_p), conf->name, |
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conf->reason); |
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ilog(LOG_TYPE_XLINE, "%s added X-Line for [%s] [%s]", |
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get_oper_name(source_p), conf->name, conf->reason); |
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} |
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|
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xline_check(conf); |
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} |
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|
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static void |
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relay_xline(struct Client *source_p, char *parv[]) |
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{ |
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struct MaskItem *conf = NULL; |
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|
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if (HasFlag(source_p, FLAGS_SERVICE) || |
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shared_find(SHARED_XLINE, source_p->servptr->name, |
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source_p->username, source_p->host)) |
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{ |
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if ((conf = find_matching_name_conf(CONF_XLINE, parv[2], NULL, NULL, 0))) |
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{ |
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if (IsClient(source_p)) |
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sendto_one_notice(source_p, &me, ":[%s] already X-Lined by [%s] - %s", |
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parv[2], conf->name, conf->reason); |
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return; |
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} |
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|
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xline_add(source_p, parv[2], parv[4], atoi(parv[3])); |
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} |
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} |
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|
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/* mo_xline() |
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* |
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* inputs - pointer to server |
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* - pointer to client |
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* - parameter count |
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* - parameter list |
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* output - |
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* side effects - x line is added |
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* |
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*/ |
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static int |
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mo_xline(struct Client *source_p, int parc, char *parv[]) |
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{ |
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char *reason = NULL; |
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char *gecos = NULL; |
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struct MaskItem *conf = NULL; |
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char *target_server = NULL; |
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time_t duration = 0; |
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|
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if (!HasOFlag(source_p, OPER_FLAG_XLINE)) |
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{ |
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sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "xline"); |
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return 0; |
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} |
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|
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if (!parse_aline("XLINE", source_p, parc, parv, 0, &gecos, NULL, |
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&duration, &target_server, &reason)) |
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return 0; |
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|
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if (target_server) |
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{ |
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sendto_match_servs(source_p, target_server, CAPAB_CLUSTER, "XLINE %s %s %ju :%s", |
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target_server, gecos, duration, reason); |
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|
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/* Allow ON to apply local xline as well if it matches */ |
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if (match(target_server, me.name)) |
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return 0; |
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} |
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else |
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cluster_distribute(source_p, "XLINE", CAPAB_CLUSTER, CLUSTER_XLINE, "%s %ju :%s", |
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gecos, duration, reason); |
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|
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if (!valid_xline(source_p, gecos)) |
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return 0; |
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|
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if ((conf = find_matching_name_conf(CONF_XLINE, gecos, NULL, NULL, 0))) |
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{ |
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sendto_one_notice(source_p, &me, ":[%s] already X-Lined by [%s] - %s", |
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gecos, conf->name, conf->reason); |
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return 0; |
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} |
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|
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xline_add(source_p, gecos, reason, duration); |
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return 0; |
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} |
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|
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/*! \brief XLINE command handler |
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* |
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* \param source_p Pointer to allocated Client struct from which the message |
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* originally comes from. This can be a local or remote client. |
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* \param parc Integer holding the number of supplied arguments. |
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* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL |
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* pointers. |
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* \note Valid arguments for this command are: |
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* - parv[0] = command |
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* - parv[1] = target server mask |
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* - parv[2] = gecos |
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* - parv[3] = duration in seconds |
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* - parv[4] = reason |
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*/ |
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static int |
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ms_xline(struct Client *source_p, int parc, char *parv[]) |
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{ |
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if (parc != 5 || EmptyString(parv[4])) |
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return 0; |
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|
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sendto_match_servs(source_p, parv[1], CAPAB_CLUSTER, "XLINE %s %s %s :%s", |
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parv[1], parv[2], parv[3], parv[4]); |
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|
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if (match(parv[1], me.name)) |
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return 0; |
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|
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if (!valid_xline(source_p, parv[2])) |
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return 0; |
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|
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relay_xline(source_p, parv); |
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return 0; |
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} |
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|
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static struct Message xline_msgtab = |
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{ |
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.cmd = "XLINE", |
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.args_min = 2, |
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.args_max = MAXPARA, |
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.handlers[UNREGISTERED_HANDLER] = m_unregistered, |
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.handlers[CLIENT_HANDLER] = m_not_oper, |
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.handlers[SERVER_HANDLER] = ms_xline, |
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.handlers[ENCAP_HANDLER] = m_ignore, |
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.handlers[OPER_HANDLER] = mo_xline |
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}; |
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|
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static void |
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module_init(void) |
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{ |
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mod_add_cmd(&xline_msgtab); |
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} |
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|
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static void |
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module_exit(void) |
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{ |
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mod_del_cmd(&xline_msgtab); |
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} |
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|
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struct module module_entry = |
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{ |
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.version = "$Revision$", |
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.modinit = module_init, |
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.modexit = module_exit, |
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}; |