trunk/modules/m_userhost.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_userhost.c: Shows a user's host.
 *
 *  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 "handlers.h"
#include "client.h"
#include "ircd.h"
#include "numeric.h"
#include "s_serv.h"
#include "send.h"
#include "irc_string.h"
#include "sprintf_irc.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "s_conf.h"


/*
 * m_userhost added by Darren Reed 13/8/91 to aid clients and reduce
 * the need for complicated requests like WHOIS. It returns user/host
 * information only (no spurious AWAY labels or channels).
 */
static void
m_userhost(struct Client *client_p, struct Client *source_p,
           int parc, char *parv[])
{
  struct Client *target_p;
  char buf[IRCD_BUFSIZE];
  char response[NICKLEN*2+USERLEN+HOSTLEN+30];
  char *t = NULL, *p = NULL, *nick = NULL;
  int i = 0;               /* loop counter */
  int cur_len;
  int rl;

  cur_len = snprintf(buf, sizeof(buf), form_str(RPL_USERHOST), me.name, source_p->name, "");
  t = buf + cur_len;

  for (nick = strtoken(&p, parv[1], " "); nick && i++ < 5;
       nick = strtoken(&p,    NULL, " "))
  {
    if ((target_p = find_person(client_p, nick)) != NULL)
    {
      /*
       * Show real IP for USERHOST on yourself.
       * This is needed for things like mIRC, which do a server-based
       * lookup (USERHOST) to figure out what the clients' local IP
       * is.  Useful for things like NAT, and dynamic dial-up users.
       */
      if (MyClient(target_p) && (target_p == source_p))
      {
        rl = ircsprintf(response, "%s%s=%c%s@%s ",
                        target_p->name,
                        HasUMode(target_p, UMODE_OPER) ? "*" : "",
                        (target_p->away) ? '-' : '+',
                        target_p->username,
                        target_p->sockhost);
      }
      else
      {
        rl = ircsprintf(response, "%s%s=%c%s@%s ",
                        target_p->name,
                        HasUMode(target_p, UMODE_OPER) ? "*" : "",
                        (target_p->away) ? '-' : '+',
                        target_p->username,
                        target_p->host);
      }

      if ((rl + cur_len) < (IRCD_BUFSIZE - 10))
      {
        ircsprintf(t, "%s", response);
        t += rl;
        cur_len += rl;
      }
      else
        break;
    }
  }

  sendto_one(source_p, "%s", buf);
}

static struct Message userhost_msgtab = {
  "USERHOST", 0, 0, 1, 1, MFLG_SLOW, 0,
  {m_unregistered, m_userhost, m_userhost, m_ignore, m_userhost, m_ignore}
};

static void
module_init(void)
{
  mod_add_cmd(&userhost_msgtab);
}

static void
module_exit(void)
{
  mod_del_cmd(&userhost_msgtab);
}

struct module module_entry = {
  .node    = { NULL, NULL, NULL },
  .name    = NULL,
  .version = "$Revision$",
  .handle  = NULL,
  .modinit = module_init,
  .modexit = module_exit,
  .flags   = 0
};
Revision:	1233
Committed:	Thu Sep 22 20:53:07 2011 UTC (14 years, 10 months ago) by michael
Content type:	text/x-csrc
Original Path:	*ircd-hybrid-8/modules/m_userhost.c*
File size:	3696 byte(s)
Log Message:	- replace bunch of ircsprintf with snprintf
#	User	Rev	Content
1	adx	30	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* m_userhost.c: Shows a user's host.
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 "handlers.h"
27			#include "client.h"
28			#include "ircd.h"
29			#include "numeric.h"
30			#include "s_serv.h"
31			#include "send.h"
32			#include "irc_string.h"
33			#include "sprintf_irc.h"
34			#include "msg.h"
35			#include "parse.h"
36			#include "modules.h"
37			#include "s_conf.h"
38
39
40			/*
41			* m_userhost added by Darren Reed 13/8/91 to aid clients and reduce
42			* the need for complicated requests like WHOIS. It returns user/host
43			* information only (no spurious AWAY labels or channels).
44			*/
45			static void
46			m_userhost(struct Client client_p, struct Client source_p,
47			int parc, char *parv[])
48			{
49			struct Client *target_p;
50			char buf[IRCD_BUFSIZE];
51			char response[NICKLEN*2+USERLEN+HOSTLEN+30];
52	michael	1178	char t = NULL, p = NULL, *nick = NULL;
53			int i = 0; /* loop counter */
54	adx	30	int cur_len;
55			int rl;
56
57	michael	1233	cur_len = snprintf(buf, sizeof(buf), form_str(RPL_USERHOST), me.name, source_p->name, "");
58	adx	30	t = buf + cur_len;
59
60	michael	1178	for (nick = strtoken(&p, parv[1], " "); nick && i++ < 5;
61			nick = strtoken(&p, NULL, " "))
62	adx	30	{
63	michael	1178	if ((target_p = find_person(client_p, nick)) != NULL)
64	adx	30	{
65	adx	268	/*
66	michael	885	* Show real IP for USERHOST on yourself.
67			* This is needed for things like mIRC, which do a server-based
68			* lookup (USERHOST) to figure out what the clients' local IP
69			* is. Useful for things like NAT, and dynamic dial-up users.
70	adx	268	*/
71	michael	885	if (MyClient(target_p) && (target_p == source_p))
72			{
73			rl = ircsprintf(response, "%s%s=%c%s@%s ",
74			target_p->name,
75	michael	1219	HasUMode(target_p, UMODE_OPER) ? "*" : "",
76	michael	885	(target_p->away) ? '-' : '+',
77			target_p->username,
78			target_p->sockhost);
79			}
80	adx	268	else
81	michael	885	{
82			rl = ircsprintf(response, "%s%s=%c%s@%s ",
83			target_p->name,
84	michael	1219	HasUMode(target_p, UMODE_OPER) ? "*" : "",
85	michael	885	(target_p->away) ? '-' : '+',
86			target_p->username,
87			target_p->host);
88			}
89	adx	30
90	michael	885	if ((rl + cur_len) < (IRCD_BUFSIZE - 10))
91	adx	268	{
92	michael	885	ircsprintf(t, "%s", response);
93	adx	268	t += rl;
94			cur_len += rl;
95			}
96	michael	885	else
97			break;
98	adx	30	}
99	adx	268	}
100	adx	30
101			sendto_one(source_p, "%s", buf);
102			}
103	michael	1230
104			static struct Message userhost_msgtab = {
105			"USERHOST", 0, 0, 1, 1, MFLG_SLOW, 0,
106			{m_unregistered, m_userhost, m_userhost, m_ignore, m_userhost, m_ignore}
107			};
108
109			static void
110			module_init(void)
111			{
112			mod_add_cmd(&userhost_msgtab);
113			}
114
115			static void
116			module_exit(void)
117			{
118			mod_del_cmd(&userhost_msgtab);
119			}
120
121			struct module module_entry = {
122			.node = { NULL, NULL, NULL },
123			.name = NULL,
124			.version = "$Revision$",
125			.handle = NULL,
126			.modinit = module_init,
127			.modexit = module_exit,
128			.flags = 0
129			};