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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) 1997-2021 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_unkline.c |
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* \brief Includes required functions for processing the UNKLINE 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 "hostmask.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_capab.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 int remove_tkline_match(const char *host, const char *user) |
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* Input: A hostname, a username to unkline. |
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* Output: returns YES on success, NO if no tkline removed. |
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* Side effects: Any matching tklines are removed. |
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*/ |
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static void |
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kline_remove(struct Client *source_p, const struct aline_ctx *aline) |
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{ |
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struct irc_ssaddr iphost, *piphost; |
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struct MaskItem *conf; |
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|
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if (parse_netmask(aline->host, &iphost, NULL) != HM_HOST) |
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piphost = &iphost; |
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else |
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piphost = NULL; |
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|
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if ((conf = find_conf_by_address(aline->host, piphost, CONF_KLINE, aline->user, NULL, 0)) == NULL) |
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{ |
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if (IsClient(source_p)) |
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sendto_one_notice(source_p, &me, ":No K-Line for [%s@%s] found", aline->user, aline->host); |
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|
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return; |
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} |
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|
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if (!IsConfDatabase(conf)) |
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{ |
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if (IsClient(source_p)) |
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sendto_one_notice(source_p, &me, ":The K-Line for [%s@%s] is in the configuration file and must be removed by hand", |
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conf->user, conf->host); |
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return; |
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} |
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|
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if (IsClient(source_p)) |
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sendto_one_notice(source_p, &me, ":K-Line for [%s@%s] is removed", |
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conf->user, conf->host); |
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|
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sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE, |
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"%s has removed the K-Line for: [%s@%s]", |
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get_oper_name(source_p), conf->user, conf->host); |
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ilog(LOG_TYPE_KLINE, "%s removed K-Line for [%s@%s]", |
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get_oper_name(source_p), conf->user, conf->host); |
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|
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delete_one_address_conf(aline->host, conf); |
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} |
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|
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/*! \brief UNKLINE 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] = user\@host mask |
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* - parv[2] = "ON" |
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* - parv[3] = target server |
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*/ |
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static void |
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mo_unkline(struct Client *source_p, int parc, char *parv[]) |
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{ |
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struct aline_ctx aline = { .add = false, .simple_mask = false }; |
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|
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if (!HasOFlag(source_p, OPER_FLAG_UNKLINE)) |
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{ |
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sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "unkline"); |
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return; |
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} |
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|
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if (parse_aline("UNKLINE", source_p, parc, parv, &aline) == false) |
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return; |
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|
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if (aline.server) |
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{ |
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sendto_match_servs(source_p, aline.server, CAPAB_UNKLN, "UNKLINE %s %s %s", |
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aline.server, aline.user, aline.host); |
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|
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/* Allow ON to apply local unkline as well if it matches */ |
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if (match(aline.server, me.name)) |
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return; |
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} |
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else |
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cluster_distribute(source_p, "UNKLINE", CAPAB_UNKLN, CLUSTER_UNKLINE, |
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"%s %s", aline.user, aline.host); |
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|
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kline_remove(source_p, &aline); |
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} |
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|
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/*! \brief UNKLINE 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] = user mask |
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* - parv[3] = host mask |
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*/ |
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static void |
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ms_unkline(struct Client *source_p, int parc, char *parv[]) |
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{ |
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struct aline_ctx aline = |
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{ |
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.add = false, |
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.simple_mask = false, |
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.user = parv[2], |
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.host = parv[3], |
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.server = parv[1] |
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}; |
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|
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sendto_match_servs(source_p, aline.server, CAPAB_UNKLN, "UNKLINE %s %s %s", |
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aline.server, aline.user, aline.host); |
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|
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if (match(aline.server, me.name)) |
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return; |
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|
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if (HasFlag(source_p, FLAGS_SERVICE) || |
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shared_find(SHARED_UNKLINE, source_p->servptr->name, |
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source_p->username, source_p->host)) |
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kline_remove(source_p, &aline); |
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} |
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|
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static struct Message unkline_msgtab = |
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{ |
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.cmd = "UNKLINE", |
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.handlers[UNREGISTERED_HANDLER] = { .handler = m_unregistered }, |
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.handlers[CLIENT_HANDLER] = { .handler = m_not_oper }, |
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.handlers[SERVER_HANDLER] = { .handler = ms_unkline, .args_min = 4 }, |
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.handlers[ENCAP_HANDLER] = { .handler = m_ignore }, |
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.handlers[OPER_HANDLER] = { .handler = mo_unkline, .args_min = 2 } |
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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(&unkline_msgtab); |
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capab_add("UNKLN", CAPAB_UNKLN); |
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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(&unkline_msgtab); |
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capab_del("UNKLN"); |
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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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}; |
