ircd-hybrid-8/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,
                       "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, *p;
    struct Client *target_p;
    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)
    {
      target_p = ptr->data;

      if (!EmptyString(mask) && !match(mask, target_p->name))
        continue;

      if (target_p->info[0])
      {
        if ((p = strchr(target_p->info, ']')))
          p += 2; /* skip the nasty [IP] part */
        else
          p = target_p->info;
      } 
      else
        p = "(Unknown Location)";

      /* 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, p);
    }
  
    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:	1309
Committed:	Sun Mar 25 11:24:18 2012 UTC (13 years, 5 months ago) by michael
Content type:	text/x-csrc
File size:	5259 byte(s)
Log Message:	- renaming files: ircd_parser.y -> conf_parser.y ircd_lexer.l -> conf_lexer.l s_conf.c -> conf.c s_conf.h -> conf.h s_log.c -> log.c s_log.h -> log.h
#	Content
1	/*
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	* $Id$
23	*/
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	#include "conf.h"
33	#include "motd.h"
34	#include "parse.h"
35	#include "modules.h"
36
37
38	static void
39	do_links(struct Client source_p, int parc, char parv[])
40	{
41	sendto_realops_flags(UMODE_SPY, L_ALL,
42	"LINKS requested by %s (%s@%s) [%s]",
43	source_p->name,
44	source_p->username, source_p->host,
45	source_p->servptr->name);
46
47	if (HasUMode(source_p, UMODE_OPER) \|\| !ConfigServerHide.flatten_links)
48	{
49	const char *mask = (parc > 2 ? parv[2] : parv[1]);
50	const char me_name, nick, *p;
51	struct Client *target_p;
52	dlink_node *ptr;
53
54	me_name = ID_or_name(&me, source_p->from);
55	nick = ID_or_name(source_p, source_p->from);
56
57	DLINK_FOREACH(ptr, global_serv_list.head)
58	{
59	target_p = ptr->data;
60
61	if (!EmptyString(mask) && !match(mask, target_p->name))
62	continue;
63
64	if (target_p->info[0])
65	{
66	if ((p = strchr(target_p->info, ']')))
67	p += 2; /* skip the nasty [IP] part */
68	else
69	p = target_p->info;
70	}
71	else
72	p = "(Unknown Location)";
73
74	/* We just send the reply, as if they are here there's either no SHIDE,
75	* or they're an oper..
76	*/
77	sendto_one(source_p, form_str(RPL_LINKS),
78	me_name, nick,
79	target_p->name, target_p->servptr->name,
80	target_p->hopcount, p);
81	}
82
83	sendto_one(source_p, form_str(RPL_ENDOFLINKS),
84	me_name, nick,
85	EmptyString(mask) ? "*" : mask);
86	}
87	else
88	{
89	/*
90	* Print our own info so at least it looks like a normal links
91	* then print out the file (which may or may not be empty)
92	*/
93	sendto_one(source_p, form_str(RPL_LINKS),
94	ID_or_name(&me, source_p->from),
95	ID_or_name(source_p, source_p->from),
96	me.name, me.name, 0, me.info);
97	send_message_file(source_p, &ConfigFileEntry.linksfile);
98	sendto_one(source_p, form_str(RPL_ENDOFLINKS),
99	ID_or_name(&me, source_p->from),
100	ID_or_name(source_p, source_p->from), "*");
101	}
102	}
103
104	static void
105	mo_links(struct Client client_p, struct Client source_p,
106	int parc, char *parv[])
107	{
108	if (parc > 2)
109	if (!ConfigFileEntry.disable_remote \|\| HasUMode(source_p, UMODE_OPER))
110	if (hunt_server(client_p, source_p, ":%s LINKS %s :%s", 1,
111	parc, parv) != HUNTED_ISME)
112	return;
113
114	do_links(source_p, parc, parv);
115	}
116
117	/*
118	* m_links - LINKS message handler
119	* parv[0] = sender prefix
120	* parv[1] = servername mask
121	* or
122	* parv[0] = sender prefix
123	* parv[1] = server to query
124	* parv[2] = servername mask
125	*/
126	static void
127	m_links(struct Client client_p, struct Client source_p,
128	int parc, char *parv[])
129	{
130	static time_t last_used = 0;
131
132	if ((last_used + ConfigFileEntry.pace_wait) > CurrentTime)
133	{
134	sendto_one(source_p, form_str(RPL_LOAD2HI),
135	me.name, source_p->name);
136	return;
137	}
138
139	last_used = CurrentTime;
140
141	if (!ConfigServerHide.flatten_links)
142	{
143	mo_links(client_p, source_p, parc, parv);
144	return;
145	}
146
147	do_links(source_p, parc, parv);
148	}
149
150	/*
151	* ms_links - LINKS message handler
152	* parv[0] = sender prefix
153	* parv[1] = servername mask
154	* or
155	* parv[0] = sender prefix
156	* parv[1] = server to query
157	* parv[2] = servername mask
158	*/
159	static void
160	ms_links(struct Client client_p, struct Client source_p,
161	int parc, char *parv[])
162	{
163	if (hunt_server(client_p, source_p, ":%s LINKS %s :%s", 1,
164	parc, parv) != HUNTED_ISME)
165	return;
166
167	if (IsClient(source_p))
168	m_links(client_p, source_p, parc, parv);
169	}
170
171	static struct Message links_msgtab = {
172	"LINKS", 0, 0, 0, MAXPARA, MFLG_SLOW, 0,
173	{m_unregistered, m_links, ms_links, m_ignore, mo_links, m_ignore}
174	};
175
176	static void
177	module_init(void)
178	{
179	mod_add_cmd(&links_msgtab);
180	}
181
182	static void
183	module_exit(void)
184	{
185	mod_del_cmd(&links_msgtab);
186	}
187
188	struct module module_entry = {
189	.node = { NULL, NULL, NULL },
190	.name = NULL,
191	.version = "$Revision$",
192	.handle = NULL,
193	.modinit = module_init,
194	.modexit = module_exit,
195	.flags = 0
196	};