trunk/modules/m_userhost.c

/*
 *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
 *
 *  Copyright (c) 1997-2014 ircd-hybrid development team
 *
 *  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
 */

/*! \file m_userhost.c
 * \brief Includes required functions for processing the USERHOST command.
 * \version $Id$
 */

#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 int
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 = 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);
  return 0;
}

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:	2820
Committed:	Wed Jan 15 23:10:26 2014 UTC (12 years, 6 months ago) by michael
Content type:	text/x-csrc
File size:	3791 byte(s)
Log Message:	- Clean up all files in modules/ (fixed indentation, removed whitespaces/tabs) - Fixed copyright years - Made module handlers int type for later use
#	User	Rev	Content
1	adx	30	/*
2	michael	2820	* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3	adx	30	*
4	michael	2820	* Copyright (c) 1997-2014 ircd-hybrid development team
5	adx	30	*
6			* This program is free software; you can redistribute it and/or modify
7			* it under the terms of the GNU General Public License as published by
8			* the Free Software Foundation; either version 2 of the License, or
9			* (at your option) any later version.
10			*
11			* This program is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			* GNU General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with this program; if not, write to the Free Software
18			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19			* USA
20			*/
21
22	michael	2820	/*! \file m_userhost.c
23			* \brief Includes required functions for processing the USERHOST command.
24			* \version $Id$
25			*/
26
27	adx	30	#include "stdinc.h"
28			#include "client.h"
29			#include "ircd.h"
30			#include "numeric.h"
31			#include "s_serv.h"
32			#include "send.h"
33			#include "irc_string.h"
34			#include "parse.h"
35			#include "modules.h"
36
37
38			/*
39			* m_userhost added by Darren Reed 13/8/91 to aid clients and reduce
40			* the need for complicated requests like WHOIS. It returns user/host
41			* information only (no spurious AWAY labels or channels).
42			*/
43	michael	2820	static int
44	adx	30	m_userhost(struct Client client_p, struct Client source_p,
45			int parc, char *parv[])
46			{
47			struct Client *target_p;
48			char buf[IRCD_BUFSIZE];
49			char response[NICKLEN*2+USERLEN+HOSTLEN+30];
50	michael	1178	char t = NULL, p = NULL, *nick = NULL;
51			int i = 0; /* loop counter */
52	adx	30	int cur_len;
53			int rl;
54
55	michael	1834	cur_len = snprintf(buf, sizeof(buf), form_str(RPL_USERHOST), me.name, source_p->name, "");
56	adx	30	t = buf + cur_len;
57
58	michael	1178	for (nick = strtoken(&p, parv[1], " "); nick && i++ < 5;
59			nick = strtoken(&p, NULL, " "))
60	adx	30	{
61	michael	1178	if ((target_p = find_person(client_p, nick)) != NULL)
62	adx	30	{
63	adx	268	/*
64	michael	885	* Show real IP for USERHOST on yourself.
65			* This is needed for things like mIRC, which do a server-based
66			* lookup (USERHOST) to figure out what the clients' local IP
67			* is. Useful for things like NAT, and dynamic dial-up users.
68	adx	268	*/
69	michael	885	if (MyClient(target_p) && (target_p == source_p))
70			{
71	michael	1793	rl = sprintf(response, "%s%s=%c%s@%s ",
72			target_p->name,
73			HasUMode(target_p, UMODE_OPER) ? "*" : "",
74			(target_p->away[0]) ? '-' : '+',
75			target_p->username,
76			target_p->sockhost);
77	michael	885	}
78	adx	268	else
79	michael	885	{
80	michael	1793	rl = sprintf(response, "%s%s=%c%s@%s ",
81			target_p->name, (HasUMode(target_p, UMODE_OPER) &&
82			(!HasUMode(target_p, UMODE_HIDDEN) \|\|
83			HasUMode(source_p, UMODE_OPER))) ? "*" : "",
84			(target_p->away[0]) ? '-' : '+',
85			target_p->username,
86			target_p->host);
87	michael	885	}
88	adx	30
89	michael	885	if ((rl + cur_len) < (IRCD_BUFSIZE - 10))
90	adx	268	{
91	michael	1793	sprintf(t, "%s", response);
92	adx	268	t += rl;
93			cur_len += rl;
94			}
95	michael	885	else
96			break;
97	adx	30	}
98	adx	268	}
99	adx	30
100			sendto_one(source_p, "%s", buf);
101	michael	2820	return 0;
102	adx	30	}
103	michael	1230
104	michael	2820	static struct Message userhost_msgtab =
105			{
106	michael	1728	"USERHOST", 0, 0, 2, 1, MFLG_SLOW, 0,
107	michael	2820	{ m_unregistered, m_userhost, m_userhost, m_ignore, m_userhost, m_ignore }
108	michael	1230	};
109
110			static void
111			module_init(void)
112			{
113			mod_add_cmd(&userhost_msgtab);
114			}
115
116			static void
117			module_exit(void)
118			{
119			mod_del_cmd(&userhost_msgtab);
120			}
121
122	michael	2820	struct module module_entry =
123			{
124	michael	1230	.node = { NULL, NULL, NULL },
125			.name = NULL,
126			.version = "$Revision$",
127			.handle = NULL,
128			.modinit = module_init,
129			.modexit = module_exit,
130			.flags = 0
131			};