ircd-hybrid-8/modules/m_map.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_map.c: Sends an Undernet compatible map to a user.
 *
 *  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 "modules.h"
#include "handlers.h"
#include "numeric.h"
#include "send.h"
#include "s_conf.h"
#include "ircd.h"
#include "irc_string.h"
#include "sprintf_irc.h"

static void m_map(struct Client *, struct Client *, int, char *[]);
static void mo_map(struct Client *, struct Client *, int, char *[]);
static void dump_map(struct Client *, struct Client *, int, char *);

struct Message map_msgtab = {
  "MAP", 0, 0, 0, 0, MFLG_SLOW, 0,
  {m_unregistered, m_map, m_ignore, m_ignore, mo_map, m_ignore}
};

#ifndef STATIC_MODULES
void _modinit(void)
{
  mod_add_cmd(&map_msgtab);
}

void _moddeinit(void)
{
  mod_del_cmd(&map_msgtab);
}

const char *_version = "$Revision$";
#endif

static char buf[IRCD_BUFSIZE];

/* m_map()
 *      parv[0] = sender prefix
 */
static void
m_map(struct Client *client_p, struct Client *source_p,
      int parc, char *parv[])
{
  static time_t last_used = 0;

  if (!ConfigServerHide.flatten_links)
  {
    if (!IsOper(source_p))
    {
      if ((last_used + ConfigFileEntry.pace_wait) > CurrentTime)
      {
        /* safe enough to give this on a local connect only */
        sendto_one(source_p, form_str(RPL_LOAD2HI),
          me.name, source_p->name);
        return;
      }
      else
        last_used = CurrentTime;
    }

    dump_map(client_p, &me, 0, buf);
    sendto_one(client_p, form_str(RPL_MAPEND), me.name, client_p->name);
    return;
  }

  m_not_oper(client_p, source_p, parc, parv);
}

/* mo_map()
 *      parv[0] = sender prefix
 */
static void
mo_map(struct Client *client_p, struct Client *source_p,
       int parc, char *parv[])
{
  dump_map(client_p, &me, 0, buf);
  sendto_one(client_p, form_str(RPL_MAPEND), me.name, client_p->name);
}

/* dump_map()
 *   dumps server map, called recursively.
 */
static void
dump_map(struct Client *client_p, struct Client *root_p, int start_len,
         char *pbuf)
{
  int cnt = 0, i = 0, l = 0, len = start_len;
  int users, dashes;
  dlink_node *ptr;
  struct Client *server_p;
  char *pb;

  *pbuf= '\0';
  pb = pbuf;

  l = ircsprintf(pb, "%s", root_p->name);
  pb += l;
  len += l;

  /* IsOper isn't called *that* often. */
  if (IsOper(client_p))
  {
    if (root_p->id[0] != '\0')
    {
      l = ircsprintf(pb, "[%s]", root_p->id);
      pb += l;
      len += l;
    }
  }

  *pb++ = ' ';
  len++;
  dashes = 50 - len;
  for(i = 0; i < dashes; i++)
  {
    *pb++ = '-';
  }
  *pb++ = ' ';
  *pb++ = '|';

  users = dlink_list_length(&root_p->serv->users);

  sprintf(pb, " Users: %5d (%1.1f%%)", users,
          100 * (float)users / (float)Count.total);

  sendto_one(client_p, form_str(RPL_MAP), me.name, client_p->name, buf);
        
  if (root_p->serv->servers.head)
  {
    cnt += dlink_list_length(&root_p->serv->servers);

    if (cnt)
    {
      if (pbuf > buf + 3)
      {
        pbuf[-2] = ' ';

        if (pbuf[-3] == '`')
          pbuf[-3] = ' ';
      }
    }
  }

  i = 1;

  DLINK_FOREACH(ptr, root_p->serv->servers.head)
  {
    server_p = ptr->data;

    *pbuf = ' ';
    if (i < cnt)
      *(pbuf + 1) = '|';
    else
      *(pbuf + 1) = '`';
      
    *(pbuf + 2) = '-';
    *(pbuf + 3) = ' ';
    dump_map(client_p, server_p, start_len+4, pbuf+4);
 
    ++i;
  }
}
Revision:	268
Committed:	Mon Nov 14 11:02:39 2005 UTC (20 years, 11 months ago) by adx
Content type:	text/x-csrc
Original Path:	*ircd-hybrid-7.2/modules/m_map.c*
File size:	4174 byte(s)
Log Message:	+ add more load2hi protection + style fixes
#	User	Rev	Content
1	adx	30	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* m_map.c: Sends an Undernet compatible map to a user.
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 "modules.h"
28			#include "handlers.h"
29			#include "numeric.h"
30			#include "send.h"
31			#include "s_conf.h"
32			#include "ircd.h"
33			#include "irc_string.h"
34			#include "sprintf_irc.h"
35
36			static void m_map(struct Client , struct Client , int, char *[]);
37			static void mo_map(struct Client , struct Client , int, char *[]);
38			static void dump_map(struct Client , struct Client , int, char *);
39
40			struct Message map_msgtab = {
41			"MAP", 0, 0, 0, 0, MFLG_SLOW, 0,
42			{m_unregistered, m_map, m_ignore, m_ignore, mo_map, m_ignore}
43			};
44
45			#ifndef STATIC_MODULES
46			void _modinit(void)
47			{
48			mod_add_cmd(&map_msgtab);
49			}
50
51			void _moddeinit(void)
52			{
53			mod_del_cmd(&map_msgtab);
54			}
55
56	knight	31	const char *_version = "$Revision$";
57	adx	30	#endif
58
59			static char buf[IRCD_BUFSIZE];
60
61			/* m_map()
62			* parv[0] = sender prefix
63			*/
64			static void
65			m_map(struct Client client_p, struct Client source_p,
66			int parc, char *parv[])
67			{
68	adx	268	static time_t last_used = 0;
69
70	adx	30	if (!ConfigServerHide.flatten_links)
71			{
72	adx	268	if (!IsOper(source_p))
73			{
74			if ((last_used + ConfigFileEntry.pace_wait) > CurrentTime)
75			{
76			/* safe enough to give this on a local connect only */
77			sendto_one(source_p, form_str(RPL_LOAD2HI),
78			me.name, source_p->name);
79			return;
80			}
81			else
82			last_used = CurrentTime;
83			}
84
85	adx	30	dump_map(client_p, &me, 0, buf);
86			sendto_one(client_p, form_str(RPL_MAPEND), me.name, client_p->name);
87			return;
88			}
89
90			m_not_oper(client_p, source_p, parc, parv);
91			}
92
93			/* mo_map()
94			* parv[0] = sender prefix
95			*/
96			static void
97			mo_map(struct Client client_p, struct Client source_p,
98			int parc, char *parv[])
99			{
100			dump_map(client_p, &me, 0, buf);
101			sendto_one(client_p, form_str(RPL_MAPEND), me.name, client_p->name);
102			}
103
104			/* dump_map()
105			* dumps server map, called recursively.
106			*/
107			static void
108			dump_map(struct Client client_p, struct Client root_p, int start_len,
109			char *pbuf)
110			{
111			int cnt = 0, i = 0, l = 0, len = start_len;
112			int users, dashes;
113			dlink_node *ptr;
114			struct Client *server_p;
115			char *pb;
116
117			*pbuf= '\0';
118			pb = pbuf;
119
120			l = ircsprintf(pb, "%s", root_p->name);
121			pb += l;
122			len += l;
123
124			/* IsOper isn't called that often. */
125			if (IsOper(client_p))
126			{
127			if (root_p->id[0] != '\0')
128			{
129			l = ircsprintf(pb, "[%s]", root_p->id);
130			pb += l;
131			len += l;
132			}
133			}
134
135			*pb++ = ' ';
136			len++;
137			dashes = 50 - len;
138			for(i = 0; i < dashes; i++)
139			{
140			*pb++ = '-';
141			}
142			*pb++ = ' ';
143			*pb++ = '\|';
144
145			users = dlink_list_length(&root_p->serv->users);
146
147			sprintf(pb, " Users: %5d (%1.1f%%)", users,
148			100 * (float)users / (float)Count.total);
149
150			sendto_one(client_p, form_str(RPL_MAP), me.name, client_p->name, buf);
151
152			if (root_p->serv->servers.head)
153			{
154			cnt += dlink_list_length(&root_p->serv->servers);
155
156			if (cnt)
157			{
158			if (pbuf > buf + 3)
159			{
160			pbuf[-2] = ' ';
161
162			if (pbuf[-3] == '`')
163			pbuf[-3] = ' ';
164			}
165			}
166			}
167
168			i = 1;
169
170			DLINK_FOREACH(ptr, root_p->serv->servers.head)
171			{
172			server_p = ptr->data;
173
174			*pbuf = ' ';
175			if (i < cnt)
176			*(pbuf + 1) = '\|';
177			else
178			*(pbuf + 1) = '`';
179
180			*(pbuf + 2) = '-';
181			*(pbuf + 3) = ' ';
182			dump_map(client_p, server_p, start_len+4, pbuf+4);
183
184			++i;
185			}
186			}