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construct/modules/m_userhost.cc
2016-08-23 15:25:09 -07:00

104 lines
3.1 KiB
C++

/*
* ircd-ratbox: A slightly useful ircd.
* m_userhost.c: Shows a user's host.
*
* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
* Copyright (C) 1996-2002 Hybrid Development Team
* Copyright (C) 2002-2005 ircd-ratbox 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
*/
using namespace ircd;
static const char userhost_desc[] =
"Provides the USERHOST command to show a user's host";
static char buf[BUFSIZE];
static void m_userhost(struct MsgBuf *, client::client &, client::client &, int, const char **);
struct Message userhost_msgtab = {
"USERHOST", 0, 0, 0, 0,
{mg_unreg, {m_userhost, 2}, mg_ignore, mg_ignore, mg_ignore, {m_userhost, 2}}
};
mapi_clist_av1 userhost_clist[] = { &userhost_msgtab, NULL };
DECLARE_MODULE_AV2(userhost, NULL, NULL, userhost_clist, NULL, NULL, NULL, NULL, userhost_desc);
/*
* 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 MsgBuf *msgbuf_p, client::client &client, client::client &source, int parc, const char *parv[])
{
client::client *target_p;
char response[NICKLEN * 2 + USERLEN + HOSTLEN + 30];
char *t;
int i; /* loop counter */
int cur_len;
int rl;
cur_len = sprintf(buf, form_str(RPL_USERHOST), me.name, source.name, "");
t = buf + cur_len;
for (i = 1; i <= 5; i++)
{
if(parc < i + 1)
break;
if((target_p = client::find_person(parv[i])) != 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(my(*target_p) && (target_p == &source))
{
rl = sprintf(response, "%s%s=%c%s@%s ",
target_p->name,
is(*target_p, umode::OPER) ? "*" : "",
(away(user(*target_p)).size())? '-' : '+',
target_p->username,
target_p->sockhost);
}
else
{
rl = sprintf(response, "%s%s=%c%s@%s ",
target_p->name,
is(*target_p, umode::OPER) ? "*" : "",
(away(user(*target_p)).size())? '-' : '+',
target_p->username, target_p->host);
}
if((rl + cur_len) < (BUFSIZE - 10))
{
sprintf(t, "%s", response);
t += rl;
cur_len += rl;
}
else
break;
}
}
sendto_one(&source, "%s", buf);
}