elemental-ircd/extensions/m_sendbans.c

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/*
* m_sendbans.c: sends all permanent resvs and xlines to given server
*
* Copyright (C) 2008 Jilles Tjoelker
* Copyright (C) 2008 charybdis development team
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1.Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2.Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3.The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "stdinc.h"
#include "client.h"
#include "common.h"
#include "ircd.h"
#include "match.h"
#include "numeric.h"
#include "s_conf.h"
#include "s_serv.h"
#include "s_newconf.h"
#include "send.h"
#include "msg.h"
#include "hash.h"
#include "modules.h"
static int mo_sendbans(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]);
struct Message sendbans_msgtab = {
"SENDBANS", 0, 0, 0, MFLG_SLOW,
{mg_unreg, mg_not_oper, mg_ignore, mg_ignore, mg_ignore, {mo_sendbans, 2}}
};
mapi_clist_av1 sendbans_clist[] = {
&sendbans_msgtab,
NULL
};
DECLARE_MODULE_AV1(sendbans, NULL, NULL, sendbans_clist, NULL, NULL, "$Revision$");
static const char *expand_xline(const char *mask)
{
static char buf[512];
const char *p;
char *q;
if (!strchr(mask, ' '))
return mask;
if (strlen(mask) > 250)
return NULL;
p = mask;
q = buf;
while (*p != '\0')
{
if (*p == ' ')
*q++ = '\\', *q++ = 's';
else
*q++ = *p;
p++;
}
*q = '\0';
return buf;
}
static int mo_sendbans(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
struct ConfItem *aconf;
rb_dlink_node *ptr;
int i, count;
const char *target, *mask2;
struct Client *server_p;
if (!IsOperRemoteBan(source_p))
{
sendto_one(source_p, form_str(ERR_NOPRIVS),
me.name, source_p->name, "remoteban");
return 0;
}
if (!IsOperXline(source_p))
{
sendto_one(source_p, form_str(ERR_NOPRIVS),
me.name, source_p->name, "xline");
return 0;
}
if (!IsOperResv(source_p))
{
sendto_one(source_p, form_str(ERR_NOPRIVS),
me.name, source_p->name, "resv");
return 0;
}
target = parv[1];
count = 0;
RB_DLINK_FOREACH(ptr, global_serv_list.head)
{
server_p = ptr->data;
if (IsMe(server_p))
continue;
if (match(target, server_p->name))
count++;
}
if (count == 0)
{
sendto_one_numeric(source_p, ERR_NOSUCHSERVER,
form_str(ERR_NOSUCHSERVER), target);
return 0;
}
sendto_realops_snomask(SNO_GENERAL, L_NETWIDE,
"%s!%s@%s is sending resvs and xlines to %s",
source_p->name, source_p->username, source_p->host,
target);
RB_DLINK_FOREACH(ptr, resv_conf_list.head)
{
aconf = ptr->data;
if (aconf->hold)
continue;
sendto_match_servs(source_p, target,
CAP_ENCAP, NOCAPS,
"ENCAP %s RESV 0 %s 0 :%s",
target, aconf->host, aconf->passwd);
}
HASH_WALK(i, R_MAX, ptr, resvTable)
{
aconf = ptr->data;
if (aconf->hold)
continue;
sendto_match_servs(source_p, target,
CAP_ENCAP, NOCAPS,
"ENCAP %s RESV 0 %s 0 :%s",
target, aconf->host, aconf->passwd);
}
HASH_WALK_END
RB_DLINK_FOREACH(ptr, xline_conf_list.head)
{
aconf = ptr->data;
if (aconf->hold)
continue;
mask2 = expand_xline(aconf->host);
if (mask2 == NULL)
{
sendto_one_notice(source_p, ":Skipping xline [%s]",
aconf->host);
continue;
}
sendto_match_servs(source_p, target,
CAP_ENCAP, NOCAPS,
"ENCAP %s XLINE 0 %s 2 :%s",
target, mask2, aconf->passwd);
}
return 0;
}