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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) 1997-2016 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_undline.c |
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* \brief Includes required functions for processing the UNDLINE 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 "conf.h" |
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#include "conf_cluster.h" |
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#include "conf_shared.h" |
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#include "ircd.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.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_tdline_match(const char *host, const char *user) |
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* Input: An ip to undline. |
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* Output: returns YES on success, NO if no tdline removed. |
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* Side effects: Any matching tdlines are removed. |
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*/ |
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static int |
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dline_remove(const char *host) |
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{ |
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struct irc_ssaddr iphost, *piphost; |
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struct MaskItem *conf; |
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int t = 0; |
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int aftype = 0; |
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|
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if ((t = parse_netmask(host, &iphost, NULL)) != HM_HOST) |
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{ |
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if (t == HM_IPV6) |
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aftype = AF_INET6; |
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else |
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aftype = AF_INET; |
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|
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piphost = &iphost; |
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} |
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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(host, piphost, CONF_DLINE, aftype, NULL, NULL, 0))) |
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{ |
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if (IsConfDatabase(conf)) |
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{ |
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delete_one_address_conf(host, conf); |
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return 1; |
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} |
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} |
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|
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return 0; |
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} |
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|
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static void |
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dline_remove_and_notify(struct Client *source_p, const char *host) |
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{ |
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if (dline_remove(host)) |
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{ |
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if (IsClient(source_p)) |
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sendto_one_notice(source_p, &me, ":D-Line for [%s] is removed", 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 D-Line for: [%s]", |
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get_oper_name(source_p), host); |
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ilog(LOG_TYPE_DLINE, "%s removed D-Line for [%s]", |
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get_oper_name(source_p), host); |
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} |
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else if (IsClient(source_p)) |
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sendto_one_notice(source_p, &me, ":No D-Line for [%s] found", host); |
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} |
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|
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/*! \brief UNDLINE 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] = IP address |
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* - parv[2] = "ON" |
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* - parv[3] = target server |
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*/ |
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static int |
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mo_undline(struct Client *source_p, int parc, char *parv[]) |
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{ |
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char *addr = NULL; |
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char *target_server = NULL; |
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|
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if (!HasOFlag(source_p, OPER_FLAG_UNDLINE)) |
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{ |
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sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "undline"); |
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return 0; |
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} |
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|
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if (parc < 2 || EmptyString(parv[1])) |
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{ |
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sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, "UNDLINE"); |
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return 0; |
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} |
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|
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if (!parse_aline("UNDLINE", source_p, parc, parv, &addr, |
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NULL, NULL, &target_server, NULL)) |
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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_UNDLN, |
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"UNDLINE %s %s", target_server, addr); |
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|
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/* Allow ON to apply local undline 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, "UNDLINE", CAPAB_UNDLN, CLUSTER_UNDLINE, "%s", addr); |
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|
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dline_remove_and_notify(source_p, addr); |
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return 0; |
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} |
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|
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/*! \brief UNDLINE 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] = IP address |
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*/ |
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static int |
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ms_undline(struct Client *source_p, int parc, char *parv[]) |
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{ |
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const char *addr = parv[2]; |
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|
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if (parc != 3 || EmptyString(parv[2])) |
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return 0; |
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|
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sendto_match_servs(source_p, parv[1], CAPAB_UNDLN, "UNDLINE %s %s", |
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parv[1], parv[2]); |
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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 (HasFlag(source_p, FLAGS_SERVICE) || |
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shared_find(SHARED_UNDLINE, source_p->servptr->name, |
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source_p->username, source_p->host)) |
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dline_remove_and_notify(source_p, addr); |
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|
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return 0; |
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} |
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|
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static struct Message undline_msgtab = |
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{ |
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.cmd = "UNDLINE", |
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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_undline, |
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.handlers[ENCAP_HANDLER] = m_ignore, |
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.handlers[OPER_HANDLER] = mo_undline |
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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(&undline_msgtab); |
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add_capability("UNDLN", CAPAB_UNDLN); |
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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(&undline_msgtab); |
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delete_capability("UNDLN"); |
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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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}; |
