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/*
* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
*
* Copyright (c) 1997-2014 ircd-hybrid development team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
/*! \file m_links.c
* \brief Includes required functions for processing the LINKS command.
* \version $Id$
*/
#include "stdinc.h"
#include "client.h"
#include "irc_string.h"
#include "ircd.h"
#include "numeric.h"
#include "s_serv.h"
#include "send.h"
#include "conf.h"
#include "motd.h"
#include "parse.h"
#include "modules.h"
static void
do_links(struct Client *source_p, int parc, char *parv[])
{
dlink_node *ptr = NULL;
sendto_realops_flags(UMODE_SPY, L_ALL, SEND_NOTICE,
"LINKS requested by %s (%s@%s) [%s]",
source_p->name,
source_p->username, source_p->host,
source_p->servptr->name);
if (HasUMode(source_p, UMODE_OPER) || !ConfigServerHide.flatten_links)
{
const char *mask = (parc > 2 ? parv[2] : parv[1]);
const char *me_name, *nick;
me_name = ID_or_name(&me, source_p);
nick = ID_or_name(source_p, source_p);
DLINK_FOREACH(ptr, global_serv_list.head)
{
struct Client *target_p = ptr->data;
/* skip hidden servers */
if (IsHidden(target_p))
if (!HasUMode(source_p, UMODE_OPER))
continue;
if (HasFlag(target_p, FLAGS_SERVICE) && ConfigServerHide.hide_services)
if (!HasUMode(source_p, UMODE_OPER))
continue;
if (!EmptyString(mask) && match(mask, target_p->name))
continue;
/*
* We just send the reply, as if they are here there's either no SHIDE,
* or they're an oper..
*/
sendto_one(source_p, form_str(RPL_LINKS),
me_name, nick,
target_p->name, target_p->servptr->name,
target_p->hopcount, target_p->info);
}
sendto_one(source_p, form_str(RPL_ENDOFLINKS),
me_name, nick,
EmptyString(mask) ? "*" : mask);
}
else
{
/*
* Print our own info so at least it looks like a normal links
* then print out the file (which may or may not be empty)
*/
sendto_one(source_p, form_str(RPL_LINKS),
ID_or_name(&me, source_p),
ID_or_name(source_p, source_p),
me.name, me.name, 0, me.info);
DLINK_FOREACH(ptr, flatten_links.head)
sendto_one(source_p, ":%s %d %s %s",
ID_or_name(&me, source_p), RPL_LINKS,
ID_or_name(source_p, source_p),
ptr->data);
sendto_one(source_p, form_str(RPL_ENDOFLINKS),
ID_or_name(&me, source_p),
ID_or_name(source_p, source_p), "*");
}
}
static int
mo_links(struct Client *client_p, struct Client *source_p,
int parc, char *parv[])
{
if (parc > 2)
if (!ConfigServerHide.disable_remote_commands || HasUMode(source_p, UMODE_OPER))
if (hunt_server(client_p, source_p, ":%s LINKS %s :%s", 1,
parc, parv) != HUNTED_ISME)
return 0;
do_links(source_p, parc, parv);
return 0;
}
/*
* m_links - LINKS message handler
* parv[0] = sender prefix
* parv[1] = servername mask
* or
* parv[0] = sender prefix
* parv[1] = server to query
* parv[2] = servername mask
*/
static int
m_links(struct Client *client_p, struct Client *source_p,
int parc, char *parv[])
{
static time_t last_used = 0;
if ((last_used + ConfigFileEntry.pace_wait) > CurrentTime)
{
sendto_one(source_p, form_str(RPL_LOAD2HI),
me.name, source_p->name);
return 0;
}
last_used = CurrentTime;
if (!ConfigServerHide.flatten_links)
return mo_links(client_p, source_p, parc, parv);
do_links(source_p, parc, parv);
return 0;
}
/*
* ms_links - LINKS message handler
* parv[0] = sender prefix
* parv[1] = servername mask
* or
* parv[0] = sender prefix
* parv[1] = server to query
* parv[2] = servername mask
*/
static int
ms_links(struct Client *client_p, struct Client *source_p,
int parc, char *parv[])
{
if (hunt_server(client_p, source_p, ":%s LINKS %s :%s", 1,
parc, parv) != HUNTED_ISME)
return 0;
return m_links(client_p, source_p, parc, parv);
}
static struct Message links_msgtab =
{
"LINKS", 0, 0, 0, MAXPARA, MFLG_SLOW, 0,
{ m_unregistered, m_links, ms_links, m_ignore, mo_links, m_ignore }
};
static void
module_init(void)
{
mod_add_cmd(&links_msgtab);
}
static void
module_exit(void)
{
mod_del_cmd(&links_msgtab);
}
struct module module_entry =
{
.node = { NULL, NULL, NULL },
.name = NULL,
.version = "$Revision$",
.handle = NULL,
.modinit = module_init,
.modexit = module_exit,
.flags = 0
};
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