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 "client.h"
#include "ircd.h"
#include "numeric.h"
#include "s_serv.h"
#include "send.h"
#include "irc_string.h"
#include "parse.h"
#include "modules.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), 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 = sprintf(response, "%s%s=%c%s@%s ",
                     target_p->name,
                     HasUMode(target_p, UMODE_OPER) ? "*" : "",
                     (target_p->away[0]) ? '-' : '+',
                     target_p->username,
                     target_p->sockhost);
      }
      else
      {
        rl = sprintf(response, "%s%s=%c%s@%s ",
                     target_p->name, (HasUMode(target_p, UMODE_OPER) &&
                                      (!HasUMode(target_p, UMODE_HIDDEN) ||
                                        HasUMode(source_p, UMODE_OPER))) ? "*" : "",
                     (target_p->away[0]) ? '-' : '+',
                     target_p->username,
                     target_p->host);
      }

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

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

static struct Message userhost_msgtab = {
  "USERHOST", 0, 0, 2, 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:	1832
Committed:	Fri Apr 19 19:16:09 2013 UTC (13 years, 3 months ago) by michael
Content type:	text/x-csrc
File size:	3701 byte(s)
Log Message:	- Made all numeric defines use the actual string instead of the numeric value which allows to use gcc's printf format attribute - Remove current message locale implementation
#	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 "client.h"
27			#include "ircd.h"
28			#include "numeric.h"
29			#include "s_serv.h"
30			#include "send.h"
31			#include "irc_string.h"
32			#include "parse.h"
33			#include "modules.h"
34
35
36			/*
37			* m_userhost added by Darren Reed 13/8/91 to aid clients and reduce
38			* the need for complicated requests like WHOIS. It returns user/host
39			* information only (no spurious AWAY labels or channels).
40			*/
41			static void
42			m_userhost(struct Client client_p, struct Client source_p,
43			int parc, char *parv[])
44			{
45			struct Client *target_p;
46			char buf[IRCD_BUFSIZE];
47			char response[NICKLEN*2+USERLEN+HOSTLEN+30];
48	michael	1178	char t = NULL, p = NULL, *nick = NULL;
49			int i = 0; /* loop counter */
50	adx	30	int cur_len;
51			int rl;
52
53	michael	1832	cur_len = snprintf(buf, sizeof(buf), RPL_USERHOST, me.name, source_p->name, "");
54	adx	30	t = buf + cur_len;
55
56	michael	1178	for (nick = strtoken(&p, parv[1], " "); nick && i++ < 5;
57			nick = strtoken(&p, NULL, " "))
58	adx	30	{
59	michael	1178	if ((target_p = find_person(client_p, nick)) != NULL)
60	adx	30	{
61	adx	268	/*
62	michael	885	* Show real IP for USERHOST on yourself.
63			* This is needed for things like mIRC, which do a server-based
64			* lookup (USERHOST) to figure out what the clients' local IP
65			* is. Useful for things like NAT, and dynamic dial-up users.
66	adx	268	*/
67	michael	885	if (MyClient(target_p) && (target_p == source_p))
68			{
69	michael	1793	rl = sprintf(response, "%s%s=%c%s@%s ",
70			target_p->name,
71			HasUMode(target_p, UMODE_OPER) ? "*" : "",
72			(target_p->away[0]) ? '-' : '+',
73			target_p->username,
74			target_p->sockhost);
75	michael	885	}
76	adx	268	else
77	michael	885	{
78	michael	1793	rl = sprintf(response, "%s%s=%c%s@%s ",
79			target_p->name, (HasUMode(target_p, UMODE_OPER) &&
80			(!HasUMode(target_p, UMODE_HIDDEN) \|\|
81			HasUMode(source_p, UMODE_OPER))) ? "*" : "",
82			(target_p->away[0]) ? '-' : '+',
83			target_p->username,
84			target_p->host);
85	michael	885	}
86	adx	30
87	michael	885	if ((rl + cur_len) < (IRCD_BUFSIZE - 10))
88	adx	268	{
89	michael	1793	sprintf(t, "%s", response);
90	adx	268	t += rl;
91			cur_len += rl;
92			}
93	michael	885	else
94			break;
95	adx	30	}
96	adx	268	}
97	adx	30
98			sendto_one(source_p, "%s", buf);
99			}
100	michael	1230
101			static struct Message userhost_msgtab = {
102	michael	1728	"USERHOST", 0, 0, 2, 1, MFLG_SLOW, 0,
103	michael	1230	{m_unregistered, m_userhost, m_userhost, m_ignore, m_userhost, m_ignore}
104			};
105
106			static void
107			module_init(void)
108			{
109			mod_add_cmd(&userhost_msgtab);
110			}
111
112			static void
113			module_exit(void)
114			{
115			mod_del_cmd(&userhost_msgtab);
116			}
117
118			struct module module_entry = {
119			.node = { NULL, NULL, NULL },
120			.name = NULL,
121			.version = "$Revision$",
122			.handle = NULL,
123			.modinit = module_init,
124			.modexit = module_exit,
125			.flags = 0
126			};