| 1 |
/* |
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* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). |
| 3 |
* m_rxline.c: xlines a user with regular expression support. |
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* |
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* Copyright (C) 2005 by the past and present ircd coders, and others. |
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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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* $Id$ |
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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 "channel.h" |
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#include "client.h" |
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#include "common.h" |
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#include "irc_string.h" |
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#include "sprintf_irc.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 "fdlist.h" |
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#include "s_bsd.h" |
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#include "s_conf.h" |
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#include "s_log.h" |
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#include "s_misc.h" |
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#include "send.h" |
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#include "hash.h" |
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#include "handlers.h" |
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#include "s_serv.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 "resv.h" |
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|
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static void mo_rxline(struct Client *, struct Client *, int, char *[]); |
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static void ms_rxline(struct Client *, struct Client *, int, char *[]); |
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static void mo_unrxline(struct Client *, struct Client *, int, char *[]); |
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static void ms_unrxline(struct Client *, struct Client *, int, char *[]); |
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|
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static int valid_xline(struct Client *, char *, char *, int); |
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static void write_rxline(struct Client *, const char *, char *, time_t); |
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static void remove_xline(struct Client *, char *); |
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static int remove_txline(const char *); |
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|
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struct Message rxline_msgtab = { |
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"RXLINE", 0, 0, 2, 0, MFLG_SLOW, 0, |
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{ m_unregistered, m_not_oper, ms_rxline, m_ignore, mo_rxline, m_ignore } |
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}; |
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|
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struct Message unrxline_msgtab = { |
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"UNRXLINE", 0, 0, 2, 0, MFLG_SLOW, 0, |
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{ m_unregistered, m_not_oper, ms_unrxline, m_ignore, mo_unrxline, m_ignore } |
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}; |
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|
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#ifndef STATIC_MODULES |
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void |
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_modinit(void) |
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{ |
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mod_add_cmd(&rxline_msgtab); |
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mod_add_cmd(&unrxline_msgtab); |
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} |
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|
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void |
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_moddeinit(void) |
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{ |
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mod_del_cmd(&rxline_msgtab); |
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mod_del_cmd(&unrxline_msgtab); |
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} |
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|
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const char *_version = "$Revision$"; |
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#endif |
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|
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static int |
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already_placed_rxline(struct Client *source_p, const char *gecos) |
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{ |
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const dlink_node *ptr = NULL; |
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|
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DLINK_FOREACH(ptr, rxconf_items.head) |
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{ |
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struct ConfItem *aptr = ptr->data; |
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const struct MatchItem *match_item = map_to_conf(aptr); |
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|
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if (!strcmp(gecos, aptr->name)) |
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{ |
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sendto_one(source_p, ":%s NOTICE %s :[%s] already RX-Lined by [%s] - %s", |
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me.name, source_p->name, gecos, |
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aptr->name, match_item->reason); |
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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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/* mo_rxline() |
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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 - regular expression x line is added |
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* |
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*/ |
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static void |
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mo_rxline(struct Client *client_p, struct Client *source_p, |
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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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char *target_server = NULL; |
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time_t tkline_time = 0; |
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|
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if (!IsOperX(source_p)) |
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{ |
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sendto_one(source_p, form_str(ERR_NOPRIVS), |
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me.name, source_p->name, "rxline"); |
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return; |
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} |
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|
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if (parse_aline("RXLINE", source_p, parc, parv, AWILD, &gecos, |
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NULL, &tkline_time, NULL, &reason) < 0) |
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return; |
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|
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if (target_server != NULL) |
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{ |
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sendto_match_servs(source_p, target_server, CAP_CLUSTER, |
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"RXLINE %s %s %d :%s", |
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target_server, gecos, (int)tkline_time, reason); |
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|
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/* Allow ON to apply local rxline as well if it matches */ |
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if (!match(target_server, me.name)) |
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return; |
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} |
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|
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#if 0 |
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cluster_a_line(source_p, "RXLINE", CAP_KLN, SHARED_XLINE, |
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"%s 0 :%s", gecos, reason); |
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#endif |
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|
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if (!valid_xline(source_p, gecos, reason, 0)) |
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return; |
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|
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if (!already_placed_rxline(source_p, gecos)) |
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write_rxline(source_p, gecos, reason, tkline_time); |
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} |
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|
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/* ms_rxline() |
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* |
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* inputs - oper, target server, rxline, {type}, reason |
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* deprecate {type} reserve for temp xlines later? XXX |
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* |
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* outputs - none |
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* side effects - propagates rxline, applies it if we are a target |
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*/ |
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static void |
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ms_rxline(struct Client *client_p, struct Client *source_p, |
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int parc, char *parv[]) |
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{ |
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int t_sec = 0; |
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|
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if (parc != 5 || EmptyString(parv[4])) |
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return; |
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|
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if (!IsClient(source_p)) |
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return; |
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|
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if (!valid_xline(source_p, parv[2], parv[4], 0)) |
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return; |
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|
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t_sec = atoi(parv[3]); |
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/* XXX kludge! */ |
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if (t_sec < 3) |
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t_sec = 0; |
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|
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sendto_match_servs(source_p, parv[1], CAP_CLUSTER, |
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"RXLINE %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; |
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|
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if (find_matching_name_conf(ULINE_TYPE, source_p->servptr->name, |
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source_p->username, source_p->host, |
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SHARED_XLINE)) |
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if (!already_placed_rxline(source_p, parv[2])) |
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write_rxline(source_p, parv[2], parv[4], t_sec); |
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} |
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|
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static void |
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mo_unrxline(struct Client *client_p, struct Client *source_p, |
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int parc, char *parv[]) |
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{ |
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char *gecos = NULL; |
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char *target_server = NULL; |
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|
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if (!IsOperX(source_p)) |
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{ |
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sendto_one(source_p, form_str(ERR_NOPRIVS), |
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me.name, source_p->name, "unrxline"); |
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return; |
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} |
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|
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if (parse_aline("UNRXLINE", source_p, parc, parv, 0, &gecos, |
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NULL, NULL, &target_server, NULL) < 0) |
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return; |
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|
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if (target_server != NULL) |
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{ |
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|
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sendto_match_servs(source_p, target_server, CAP_CLUSTER, |
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"UNRXLINE %s %s", target_server, gecos); |
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|
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/* Allow ON to apply local unrxline as well if it matches */ |
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if (!match(target_server, me.name)) |
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return; |
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} |
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|
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#if 0 |
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cluster_a_line(source_p, "UNRXLINE", CAP_CLUSTER, SHARED_UNXLINE, |
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"%s", gecos); |
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#endif |
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|
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remove_xline(source_p, gecos); |
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} |
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|
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/* ms_unrxline() |
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* |
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* inputs - oper, target server, gecos |
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* outputs - none |
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* side effects - propagates unrxline, applies it if we are a target |
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*/ |
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static void |
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ms_unrxline(struct Client *client_p, struct Client *source_p, |
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int parc, char *parv[]) |
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{ |
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if (parc != 3 || EmptyString(parv[2])) |
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return; |
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|
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sendto_match_servs(source_p, parv[1], CAP_CLUSTER, |
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"UNRXLINE %s %s", |
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parv[1], parv[2]); |
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|
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if (!IsClient(source_p) || !match(parv[1], me.name)) |
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return; |
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|
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if (find_matching_name_conf(ULINE_TYPE, source_p->servptr->name, |
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source_p->username, source_p->host, |
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SHARED_UNXLINE)) |
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remove_xline(source_p, parv[2]); |
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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, char *gecos, char *reason, int warn) |
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{ |
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if (EmptyString(reason)) |
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{ |
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if (warn) |
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sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), |
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me.name, source_p->name, "RXLINE"); |
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return 0; |
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} |
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|
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if (strchr(gecos, '"')) |
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{ |
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sendto_one(source_p, ":%s NOTICE %s :Invalid character '\"'", |
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me.name, source_p->name); |
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return 0; |
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} |
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|
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if (!valid_wild_card_simple(gecos)) |
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{ |
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if (warn) |
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sendto_one(source_p, ":%s NOTICE %s :Please include at least %d non-wildcard characters with the rxline", |
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me.name, source_p->name, ConfigFileEntry.min_nonwildcard_simple); |
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|
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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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/* write_rxline() |
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* |
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* inputs - client taking credit for rxline |
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* outputs - none |
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* side effects - when successful, adds an rxline to the conf |
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*/ |
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static void |
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write_rxline(struct Client *source_p, const char *gecos, char *reason, |
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time_t tkline_time) |
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{ |
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struct ConfItem *conf = NULL; |
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struct MatchItem *match_item = NULL; |
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const char *current_date = NULL; |
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time_t cur_time = 0; |
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void *exp_gecos = NULL; |
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const char *errptr = NULL; |
| 319 |
|
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if (!(exp_gecos = ircd_pcre_compile(gecos, &errptr))) |
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{ |
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sendto_realops_flags(UMODE_ALL, L_ALL, |
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"Failed to add regular expression based X-Line: %s", errptr); |
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return; |
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} |
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|
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conf = make_conf_item(RXLINE_TYPE); |
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conf->regexpname = exp_gecos; |
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|
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match_item = map_to_conf(conf); |
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|
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DupString(conf->name, gecos); |
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DupString(match_item->reason, reason); |
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DupString(match_item->oper_reason, ""); /* XXX */ |
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|
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cur_time = CurrentTime; |
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current_date = smalldate(cur_time); |
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|
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if (tkline_time) |
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{ |
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sendto_realops_flags(UMODE_ALL, L_ALL, |
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"%s added temporary %d min. RX-Line for [%s] [%s]", |
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get_oper_name(source_p), (int)tkline_time/60, |
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conf->name, match_item->reason); |
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sendto_one(source_p, ":%s NOTICE %s :Added temporary %d min. RX-Line [%s]", |
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MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from), |
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source_p->name, (int)tkline_time/60, conf->name); |
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ilog(L_TRACE, "%s added temporary %d min. RX-Line for [%s] [%s]", |
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source_p->name, (int)tkline_time/60, |
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conf->name, match_item->reason); |
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match_item->hold = CurrentTime + tkline_time; |
| 352 |
add_temp_line(conf); |
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} |
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else |
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write_conf_line(source_p, conf, current_date, cur_time); |
| 356 |
rehashed_klines = 1; |
| 357 |
} |
| 358 |
|
| 359 |
static void |
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remove_xline(struct Client *source_p, char *gecos) |
| 361 |
{ |
| 362 |
/* XXX use common temporary un function later */ |
| 363 |
if (remove_txline(gecos)) |
| 364 |
{ |
| 365 |
sendto_one(source_p, |
| 366 |
":%s NOTICE %s :Un-rxlined [%s] from temporary RX-Lines", |
| 367 |
me.name, source_p->name, gecos); |
| 368 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
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"%s has removed the temporary RX-Line for: [%s]", |
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get_oper_name(source_p), gecos); |
| 371 |
ilog(L_NOTICE, "%s removed temporary RX-Line for [%s]", |
| 372 |
source_p->name, gecos); |
| 373 |
return; |
| 374 |
} |
| 375 |
|
| 376 |
if (remove_conf_line(RXLINE_TYPE, source_p, gecos, NULL) > 0) |
| 377 |
{ |
| 378 |
sendto_one(source_p, ":%s NOTICE %s :RX-Line for [%s] is removed", |
| 379 |
me.name, source_p->name, gecos); |
| 380 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
| 381 |
"%s has removed the RX-Line for: [%s]", |
| 382 |
get_oper_name(source_p), gecos); |
| 383 |
ilog(L_NOTICE, "%s removed RX-Line for [%s]", |
| 384 |
get_oper_name(source_p), gecos); |
| 385 |
} |
| 386 |
else |
| 387 |
sendto_one(source_p, ":%s NOTICE %s :No RX-Line for %s", |
| 388 |
me.name, source_p->name, gecos); |
| 389 |
} |
| 390 |
|
| 391 |
/* static int remove_tkline_match(const char *host, const char *user) |
| 392 |
* |
| 393 |
* Inputs: gecos |
| 394 |
* Output: returns YES on success, NO if no tkline removed. |
| 395 |
* Side effects: Any matching tklines are removed. |
| 396 |
*/ |
| 397 |
static int |
| 398 |
remove_txline(const char *const gecos) |
| 399 |
{ |
| 400 |
dlink_node *ptr = NULL; |
| 401 |
|
| 402 |
DLINK_FOREACH(ptr, temporary_rxlines.head) |
| 403 |
{ |
| 404 |
struct ConfItem *conf = ptr->data; |
| 405 |
|
| 406 |
if (!strcmp(gecos, conf->name)) |
| 407 |
{ |
| 408 |
dlinkDelete(ptr, &temporary_rxlines); |
| 409 |
free_dlink_node(ptr); |
| 410 |
delete_conf_item(conf); |
| 411 |
return 1; |
| 412 |
} |
| 413 |
} |
| 414 |
|
| 415 |
return 0; |
| 416 |
} |
