mirror of
https://github.com/unrealircd/unrealircd.git
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Bram Matthys
127 lines
3.3 KiB
C
127 lines
3.3 KiB
C
/*
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* IRC - Internet Relay Chat, src/modules/m_userip.c
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* (C) 2004 The UnrealIRCd Team
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*
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* See file AUTHORS in IRC package for additional names of
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* the programmers.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 1, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "unrealircd.h"
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CMD_FUNC(m_userip);
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#define MSG_USERIP "USERIP"
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ModuleHeader MOD_HEADER(m_userip)
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= {
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"m_userip",
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"4.0",
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"command /userip",
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"3.2-b8-1",
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NULL
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};
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MOD_INIT(m_userip)
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{
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CommandAdd(modinfo->handle, MSG_USERIP, m_userip, 1, M_USER|M_ANNOUNCE);
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MARK_AS_OFFICIAL_MODULE(modinfo);
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return MOD_SUCCESS;
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}
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MOD_LOAD(m_userip)
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{
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return MOD_SUCCESS;
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}
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MOD_UNLOAD(m_userip)
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{
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return MOD_SUCCESS;
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}
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/*
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* m_userip is based on m_userhost
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* m_userhost added by Darren Reed 13/8/91 to aid clients and reduce
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* the need for complicated requests like WHOIS. It returns user/host
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* information only (no spurious AWAY labels or channels).
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* Re-written by Dianora 1999
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*/
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CMD_FUNC(m_userip)
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{
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char *p; /* scratch end pointer */
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char *cn; /* current name */
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char *ip, ipbuf[HOSTLEN+1];
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struct Client *acptr;
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char response[5][NICKLEN * 2 + CHANNELLEN + USERLEN + HOSTLEN + 30];
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int i; /* loop counter */
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if (!MyClient(sptr))
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return -1;
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if (parc < 2)
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{
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sendto_one(sptr, rpl_str(ERR_NEEDMOREPARAMS),
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me.name, sptr->name, "USERIP");
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return 0;
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}
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/* The idea is to build up the response string out of pieces
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* none of this strlen() nonsense.
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* 5 * (NICKLEN*2+CHANNELLEN+USERLEN+HOSTLEN+30) is still << sizeof(buf)
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* and our ircsnprintf() truncates it to fit anyway. There is
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* no danger of an overflow here. -Dianora
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*/
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response[0][0] = response[1][0] = response[2][0] =
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response[3][0] = response[4][0] = '\0';
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cn = parv[1];
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for (i = 0; (i < 5) && cn; i++)
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{
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if ((p = strchr(cn, ' ')))
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*p = '\0';
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if ((acptr = find_person(cn, NULL)))
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{
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if (!(ip = GetIP(acptr)))
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ip = "<unknown>";
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if (sptr != acptr && !ValidatePermissionsForPath("client:ip",sptr,acptr,NULL,NULL) && IsHidden(acptr))
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{
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make_virthost(acptr, GetIP(acptr), ipbuf, 0);
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ip = ipbuf;
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}
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ircsnprintf(response[i], NICKLEN * 2 + CHANNELLEN + USERLEN + HOSTLEN + 30, "%s%s=%c%s@%s",
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acptr->name,
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(IsOper(acptr) && (!IsHideOper(acptr) || sptr == acptr || IsOper(sptr)))
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? "*" : "",
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(acptr->user->away) ? '-' : '+',
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acptr->user->username, ip);
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/* add extra fakelag (penalty) because of all the work we need to do: 1s per entry: */
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sptr->local->since += 1;
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}
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if (p)
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p++;
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cn = p;
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}
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sendto_one(sptr, rpl_str(RPL_USERIP), me.name, sptr->name,
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response[0], response[1], response[2], response[3], response[4]);
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return 0;
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}
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