439 lines
11 KiB
C
439 lines
11 KiB
C
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/* modules/m_xline.c
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*
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* Copyright (C) 2002-2003 Lee Hardy <lee@leeh.co.uk>
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* Copyright (C) 2002-2012 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_xline.c 27371 2012-03-16 05:33:15Z dubkat $
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*/
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#include "stdinc.h"
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#include "struct.h"
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#include "send.h"
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#include "client.h"
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#include "class.h"
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#include "ircd.h"
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#include "numeric.h"
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#include "s_log.h"
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#include "s_serv.h"
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#include "match.h"
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#include "ratbox_lib.h"
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#include "parse.h"
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#include "modules.h"
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#include "s_conf.h"
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#include "s_newconf.h"
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#include "operhash.h"
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#include "bandbi.h"
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static int mo_xline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]);
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static int me_xline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]);
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static int mo_adminxline(struct Client *client_p, struct Client *source_p, int parc,
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const char *parv[]);
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static int mo_unxline(struct Client *client_p, struct Client *source_p, int parc,
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const char *parv[]);
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static int me_unxline(struct Client *client_p, struct Client *source_p, int parc,
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const char *parv[]);
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struct Message xline_msgtab = {
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"XLINE", 0, 0, 0, MFLG_SLOW,
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{mg_unreg, mg_not_oper, mg_ignore, mg_ignore, {me_xline, 5}, {mo_xline, 3}}
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};
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struct Message adminxline_msgtab = {
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"ADMINXLINE", 0, 0, 0, MFLG_SLOW,
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{mg_unreg, mg_not_oper, mg_ignore, mg_ignore, mg_ignore, {mo_adminxline, 3}}
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};
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struct Message unxline_msgtab = {
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"UNXLINE", 0, 0, 0, MFLG_SLOW,
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{mg_unreg, mg_not_oper, mg_ignore, mg_ignore, {me_unxline, 2}, {mo_unxline, 2}}
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};
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mapi_clist_av1 xline_clist[] = { &xline_msgtab, &unxline_msgtab, NULL };
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DECLARE_MODULE_AV1(xline, NULL, NULL, xline_clist, NULL, NULL, "$Revision: 27371 $");
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static int valid_xline(struct Client *, const char *, const char *, int temp);
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static void apply_xline(struct Client *client_p, const char *name,
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const char *reason, int temp_time, int perm);
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static void remove_xline(struct Client *source_p, const char *gecos);
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/* m_xline()
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*
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* parv[1] - thing to xline
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* parv[2] - optional type/reason
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* parv[3] - reason
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*/
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static int
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mo_xline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
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{
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struct ConfItem *aconf;
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const char *name;
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const char *reason;
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const char *target_server = NULL;
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int temp_time;
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int loc = 1;
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if(!IsOperXline(source_p))
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{
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sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "xline");
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return 0;
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}
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if((temp_time = valid_temp_time(parv[loc])) >= 0)
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loc++;
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/* we just set temp_time to -1! */
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else
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temp_time = 0;
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name = parv[loc];
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loc++;
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/* XLINE <gecos> ON <server> :<reason> */
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if(parc >= loc + 2 && !irccmp(parv[loc], "ON"))
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{
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if(!IsOperRemoteBan(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, "remoteban");
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return 0;
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}
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target_server = parv[loc + 1];
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loc += 2;
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}
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if(parc <= loc || EmptyString(parv[loc]))
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{
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sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
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me.name, source_p->name, "XLINE");
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return 0;
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}
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reason = parv[loc];
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if(target_server != NULL)
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{
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sendto_match_servs(source_p, target_server, CAP_ENCAP, NOCAPS,
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"ENCAP %s XLINE %d %s 2 :%s",
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target_server, temp_time, name, reason);
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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 if(rb_dlink_list_length(&cluster_conf_list) > 0)
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cluster_generic(source_p, "XLINE",
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(temp_time > 0) ? SHARED_TXLINE : SHARED_PXLINE,
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"%d %s 2 :%s", temp_time, name, reason);
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if((aconf = find_xline_mask(name)) != NULL)
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{
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sendto_one_notice(source_p, ":[%s] already X-Lined by [%s] - %s",
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name, aconf->host, aconf->passwd);
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return 0;
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}
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if(!valid_xline(source_p, name, reason, temp_time))
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return 0;
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apply_xline(source_p, name, reason, temp_time, 0);
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return 0;
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}
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static int
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me_xline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
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{
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struct ConfItem *aconf;
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const char *name, *reason;
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int temp_time;
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/* time name type :reason */
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if(!IsClient(source_p))
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return 0;
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temp_time = atoi(parv[1]);
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name = parv[2];
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reason = parv[4];
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if(!find_shared_conf(source_p->username, source_p->host,
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source_p->servptr->name,
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(temp_time > 0) ? SHARED_TXLINE : SHARED_PXLINE))
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return 0;
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if(!valid_xline(source_p, name, reason, temp_time))
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return 0;
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/* already xlined */
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if((aconf = find_xline_mask(name)) != NULL)
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{
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sendto_one_notice(source_p, ":[%s] already X-Lined by [%s] - %s",
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name, aconf->host, aconf->passwd);
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return 0;
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}
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apply_xline(source_p, name, reason, temp_time, 0);
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return 0;
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}
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static int
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mo_adminxline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
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{
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struct ConfItem *aconf;
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if(!IsOperXline(source_p))
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{
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sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "xline");
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return 0;
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}
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if(!IsOperAdmin(source_p))
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{
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sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "admin");
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return 0;
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}
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if((aconf = find_xline_mask(parv[1])) != NULL)
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{
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sendto_one_notice(source_p, ":[%s] already X-Lined by [%s] - %s",
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parv[1], aconf->host, aconf->passwd);
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return 0;
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}
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if(!valid_xline(source_p, parv[1], parv[2], 0))
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return 0;
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apply_xline(source_p, parv[1], parv[2], 0, 1);
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return 0;
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}
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/* valid_xline()
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*
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* inputs - client xlining, gecos, reason and whether to warn
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* outputs -
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* side effects - checks the xline for validity, erroring if needed
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*/
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static int
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valid_xline(struct Client *source_p, const char *gecos, const char *reason, int temp_time)
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{
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if(EmptyString(reason))
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{
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sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
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get_id(&me, source_p), get_id(source_p, source_p), "XLINE");
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return 0;
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}
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if(!valid_wild_card_simple(gecos))
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{
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sendto_one_notice(source_p,
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":Please include at least %d non-wildcard "
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"characters with the xline",
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ConfigFileEntry.min_nonwildcard_simple);
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return 0;
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}
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return 1;
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}
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/* check_xlines
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*
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* inputs -
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* outputs -
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* side effects - all clients will be checked for xlines
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*/
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static void
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check_xlines(void)
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{
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struct Client *client_p;
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struct ConfItem *aconf;
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rb_dlink_node *ptr;
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rb_dlink_node *next_ptr;
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RB_DLINK_FOREACH_SAFE(ptr, next_ptr, lclient_list.head)
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{
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client_p = ptr->data;
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if(IsMe(client_p) || !IsClient(client_p))
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continue;
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if((aconf = find_xline(client_p->info, 1)) != NULL)
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{
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if(IsExemptKline(client_p))
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{
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sendto_realops_flags(UMODE_ALL, L_ALL,
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"XLINE over-ruled for %s, client is kline_exempt",
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get_client_name(client_p, HIDE_IP));
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continue;
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}
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sendto_realops_flags(UMODE_ALL, L_ALL, "XLINE active for %s",
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get_client_name(client_p, HIDE_IP));
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(void)exit_client(client_p, client_p, &me, "Bad user info");
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continue;
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}
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}
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}
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void
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apply_xline(struct Client *source_p, const char *name, const char *reason, int temp_time,
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int locked)
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{
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struct ConfItem *aconf;
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const char *oper = get_oper_name(source_p);
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aconf = make_conf();
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aconf->status = CONF_XLINE;
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aconf->host = rb_strdup(name);
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aconf->passwd = rb_strdup(reason);
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if(locked)
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aconf->flags |= CONF_FLAGS_LOCKED;
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collapse(aconf->host);
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aconf->info.oper = operhash_add(oper);
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if(temp_time > 0)
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{
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aconf->flags |= CONF_FLAGS_TEMPORARY;
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aconf->hold = rb_current_time() + temp_time;
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sendto_realops_flags(UMODE_ALL, L_ALL,
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"%s added temporary %d min. X-Line for [%s] [%s]",
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aconf->info.oper, temp_time / 60, aconf->host, reason);
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ilog(L_KLINE, "X %s %d %s %s", aconf->info.oper, temp_time / 60, name, reason);
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sendto_one_notice(source_p, ":Added temporary %d min. X-Line [%s]",
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temp_time / 60, aconf->host);
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}
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else
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{
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aconf->hold = rb_current_time();
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bandb_add(BANDB_XLINE, source_p, aconf->host, NULL, reason, NULL, locked);
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sendto_realops_flags(UMODE_ALL, L_ALL, "%s added X-Line for [%s] [%s]",
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aconf->info.oper, aconf->host, aconf->passwd);
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sendto_one_notice(source_p, ":Added %s for [%s] [%s]",
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locked ? "Locked X-Line" : "X-Line", aconf->host, aconf->passwd);
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ilog(L_KLINE, "X %s 0 %s %s", aconf->info.oper, name, reason);
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}
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rb_dlinkAddAlloc(aconf, &xline_conf_list);
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check_xlines();
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}
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/* mo_unxline()
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*
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* parv[1] - thing to unxline
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*/
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static int
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mo_unxline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
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{
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if(!IsOperXline(source_p))
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{
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sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "xline");
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return 0;
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}
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|
|
|
||
|
|
if(parc == 4 && !(irccmp(parv[2], "ON")))
|
||
|
|
{
|
||
|
|
if(!IsOperRemoteBan(source_p))
|
||
|
|
{
|
||
|
|
sendto_one(source_p, form_str(ERR_NOPRIVS),
|
||
|
|
me.name, source_p->name, "remoteban");
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
sendto_match_servs(source_p, parv[3], CAP_ENCAP, NOCAPS,
|
||
|
|
"ENCAP %s UNXLINE %s", parv[3], parv[1]);
|
||
|
|
|
||
|
|
if(match(parv[3], me.name) == 0)
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
else if(rb_dlink_list_length(&cluster_conf_list))
|
||
|
|
cluster_generic(source_p, "UNXLINE", SHARED_UNXLINE, "%s", parv[1]);
|
||
|
|
|
||
|
|
remove_xline(source_p, parv[1]);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int
|
||
|
|
me_unxline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
|
||
|
|
{
|
||
|
|
const char *name;
|
||
|
|
|
||
|
|
/* name */
|
||
|
|
if(!IsClient(source_p))
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
name = parv[1];
|
||
|
|
|
||
|
|
if(!find_shared_conf(source_p->username, source_p->host,
|
||
|
|
source_p->servptr->name, SHARED_UNXLINE))
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
remove_xline(source_p, name);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
remove_xline(struct Client *source_p, const char *name)
|
||
|
|
{
|
||
|
|
struct ConfItem *aconf;
|
||
|
|
rb_dlink_node *ptr;
|
||
|
|
|
||
|
|
RB_DLINK_FOREACH(ptr, xline_conf_list.head)
|
||
|
|
{
|
||
|
|
aconf = ptr->data;
|
||
|
|
|
||
|
|
if(irccmp(aconf->host, name))
|
||
|
|
continue;
|
||
|
|
|
||
|
|
if(IsConfLocked(aconf) && !IsOperAdmin(source_p))
|
||
|
|
{
|
||
|
|
sendto_one_notice(source_p, ":Cannot remove locked X-Line %s", name);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
sendto_one_notice(source_p, ":X-Line for [%s] is removed", name);
|
||
|
|
sendto_realops_flags(UMODE_ALL, L_ALL,
|
||
|
|
"%s has removed the X-Line for: [%s]",
|
||
|
|
get_oper_name(source_p), name);
|
||
|
|
ilog(L_KLINE, "UX %s %s", get_oper_name(source_p), name);
|
||
|
|
|
||
|
|
|
||
|
|
if((aconf->flags & CONF_FLAGS_TEMPORARY) == 0)
|
||
|
|
bandb_del(BANDB_XLINE, aconf->host, NULL);
|
||
|
|
|
||
|
|
free_conf(aconf);
|
||
|
|
rb_dlinkDestroy(ptr, &xline_conf_list);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
sendto_one_notice(source_p, ":No X-Line for %s", name);
|
||
|
|
}
|