trunk/modules/m_links.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_links.c: Shows what servers are currently connected.
 *
 *  Copyright (C) 2002 by the past and present ircd coders, and others.
 *
 *  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
 *
 *  $Id$
 */

#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[])
{
  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;
    dlink_node *ptr;

    me_name = ID_or_name(&me, source_p->from);
    nick = ID_or_name(source_p, source_p->from);

    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 (!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->from),
               ID_or_name(source_p, source_p->from),
               me.name, me.name, 0, me.info);
    send_message_file(source_p, &ConfigFileEntry.linksfile);
    sendto_one(source_p, form_str(RPL_ENDOFLINKS),
               ID_or_name(&me, source_p->from),
               ID_or_name(source_p, source_p->from), "*");
  }
}

static void
mo_links(struct Client *client_p, struct Client *source_p,
         int parc, char *parv[])
{
  if (parc > 2)
    if (!ConfigFileEntry.disable_remote || HasUMode(source_p, UMODE_OPER))
      if (hunt_server(client_p, source_p, ":%s LINKS %s :%s", 1,
                      parc, parv) != HUNTED_ISME)
        return;

  do_links(source_p, parc, parv);
}

/*
 * 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 void
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;
  }

  last_used = CurrentTime;

  if (!ConfigServerHide.flatten_links)
  {
    mo_links(client_p, source_p, parc, parv);
    return;
  }

  do_links(source_p, parc, parv);
}

/*
 * 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 void
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;

  if (IsClient(source_p))
    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
};
Revision:	1834
Committed:	Fri Apr 19 19:50:27 2013 UTC (12 years, 4 months ago) by michael
Content type:	text/x-csrc
File size:	5186 byte(s)
Log Message:	- Revert to -r1831
#	User	Rev	Content
1	adx	30	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* m_links.c: Shows what servers are currently connected.
4			*
5			* Copyright (C) 2002 by the past and present ircd coders, and others.
6			*
7			* This program is free software; you can redistribute it and/or modify
8			* it under the terms of the GNU General Public License as published by
9			* the Free Software Foundation; either version 2 of the License, or
10			* (at your option) any later version.
11			*
12			* This program is distributed in the hope that it will be useful,
13			* but WITHOUT ANY WARRANTY; without even the implied warranty of
14			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15			* GNU General Public License for more details.
16			*
17			* You should have received a copy of the GNU General Public License
18			* along with this program; if not, write to the Free Software
19			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20			* USA
21			*
22	knight	31	* $Id$
23	adx	30	*/
24
25			#include "stdinc.h"
26			#include "client.h"
27			#include "irc_string.h"
28			#include "ircd.h"
29			#include "numeric.h"
30			#include "s_serv.h"
31			#include "send.h"
32	michael	1309	#include "conf.h"
33	adx	30	#include "motd.h"
34			#include "parse.h"
35			#include "modules.h"
36
37
38	michael	1144	static void
39			do_links(struct Client source_p, int parc, char parv[])
40	adx	30	{
41	michael	1618	sendto_realops_flags(UMODE_SPY, L_ALL, SEND_NOTICE,
42	michael	1144	"LINKS requested by %s (%s@%s) [%s]",
43			source_p->name,
44			source_p->username, source_p->host,
45			source_p->servptr->name);
46	adx	30
47	michael	1219	if (HasUMode(source_p, UMODE_OPER) \|\| !ConfigServerHide.flatten_links)
48	adx	30	{
49	michael	1045	const char *mask = (parc > 2 ? parv[2] : parv[1]);
50	michael	1544	const char me_name, nick;
51	adx	30	dlink_node *ptr;
52
53			me_name = ID_or_name(&me, source_p->from);
54			nick = ID_or_name(source_p, source_p->from);
55
56			DLINK_FOREACH(ptr, global_serv_list.head)
57			{
58	michael	1544	struct Client *target_p = ptr->data;
59	adx	30
60	michael	1489	/* skip hidden servers */
61	michael	1490	if (IsHidden(target_p))
62			if (!HasUMode(source_p, UMODE_OPER))
63	michael	1489	continue;
64
65	michael	1652	if (!EmptyString(mask) && match(mask, target_p->name))
66	adx	30	continue;
67	michael	575
68	michael	1544	/*
69			* We just send the reply, as if they are here there's either no SHIDE,
70	adx	30	* or they're an oper..
71			*/
72	michael	1834	sendto_one(source_p, form_str(RPL_LINKS),
73	adx	30	me_name, nick,
74	michael	1544	target_p->name, target_p->servptr->name,
75	michael	1546	target_p->hopcount, target_p->info);
76	adx	30	}
77
78	michael	1834	sendto_one(source_p, form_str(RPL_ENDOFLINKS),
79	adx	30	me_name, nick,
80			EmptyString(mask) ? "*" : mask);
81			}
82	michael	1148	else
83			{
84	adx	30	/*
85			* Print our own info so at least it looks like a normal links
86			* then print out the file (which may or may not be empty)
87			*/
88	michael	1834	sendto_one(source_p, form_str(RPL_LINKS),
89	adx	30	ID_or_name(&me, source_p->from),
90			ID_or_name(source_p, source_p->from),
91			me.name, me.name, 0, me.info);
92			send_message_file(source_p, &ConfigFileEntry.linksfile);
93	michael	1834	sendto_one(source_p, form_str(RPL_ENDOFLINKS),
94	adx	103	ID_or_name(&me, source_p->from),
95			ID_or_name(source_p, source_p->from), "*");
96	adx	30	}
97			}
98
99	michael	1230	static void
100			mo_links(struct Client client_p, struct Client source_p,
101			int parc, char *parv[])
102			{
103			if (parc > 2)
104			if (!ConfigFileEntry.disable_remote \|\| HasUMode(source_p, UMODE_OPER))
105			if (hunt_server(client_p, source_p, ":%s LINKS %s :%s", 1,
106			parc, parv) != HUNTED_ISME)
107			return;
108
109			do_links(source_p, parc, parv);
110			}
111
112	adx	30	/*
113			* m_links - LINKS message handler
114			* parv[0] = sender prefix
115			* parv[1] = servername mask
116			* or
117			* parv[0] = sender prefix
118			* parv[1] = server to query
119			* parv[2] = servername mask
120			*/
121			static void
122			m_links(struct Client client_p, struct Client source_p,
123			int parc, char *parv[])
124			{
125	adx	269	static time_t last_used = 0;
126
127			if ((last_used + ConfigFileEntry.pace_wait) > CurrentTime)
128			{
129	michael	1834	sendto_one(source_p, form_str(RPL_LOAD2HI),
130	adx	269	me.name, source_p->name);
131			return;
132			}
133
134	michael	1121	last_used = CurrentTime;
135
136	adx	30	if (!ConfigServerHide.flatten_links)
137			{
138			mo_links(client_p, source_p, parc, parv);
139			return;
140			}
141
142	michael	1144	do_links(source_p, parc, parv);
143	adx	30	}
144
145			/*
146			* ms_links - LINKS message handler
147			* parv[0] = sender prefix
148			* parv[1] = servername mask
149			* or
150			* parv[0] = sender prefix
151			* parv[1] = server to query
152			* parv[2] = servername mask
153			*/
154			static void
155			ms_links(struct Client client_p, struct Client source_p,
156			int parc, char *parv[])
157			{
158	michael	1144	if (hunt_server(client_p, source_p, ":%s LINKS %s :%s", 1,
159			parc, parv) != HUNTED_ISME)
160	adx	30	return;
161
162			if (IsClient(source_p))
163			m_links(client_p, source_p, parc, parv);
164			}
165	michael	1230
166			static struct Message links_msgtab = {
167			"LINKS", 0, 0, 0, MAXPARA, MFLG_SLOW, 0,
168			{m_unregistered, m_links, ms_links, m_ignore, mo_links, m_ignore}
169			};
170
171			static void
172			module_init(void)
173			{
174			mod_add_cmd(&links_msgtab);
175			}
176
177			static void
178			module_exit(void)
179			{
180			mod_del_cmd(&links_msgtab);
181			}
182
183			struct module module_entry = {
184			.node = { NULL, NULL, NULL },
185			.name = NULL,
186			.version = "$Revision$",
187			.handle = NULL,
188			.modinit = module_init,
189			.modexit = module_exit,
190			.flags = 0
191			};