mirror of https://github.com/pissnet/pissircd.git
127 lines
3.3 KiB
C
127 lines
3.3 KiB
C
/*
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* IRC - Internet Relay Chat, src/modules/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(cmd_userip);
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#define MSG_USERIP "USERIP"
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ModuleHeader MOD_HEADER
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= {
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"userip",
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"5.0",
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"command /userip",
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"UnrealIRCd Team",
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"unrealircd-6",
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};
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MOD_INIT()
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{
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CommandAdd(modinfo->handle, MSG_USERIP, cmd_userip, 1, CMD_USER);
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ISupportAdd(modinfo->handle, "USERIP", NULL);
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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()
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{
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return MOD_SUCCESS;
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}
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MOD_UNLOAD()
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{
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return MOD_SUCCESS;
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}
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/*
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* cmd_userip is based on cmd_userhost
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* cmd_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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/* Keep this at 5!!!! */
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#define MAXUSERHOSTREPLIES 5
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CMD_FUNC(cmd_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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Client *acptr;
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char request[BUFSIZE];
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char response[MAXUSERHOSTREPLIES][NICKLEN * 2 + CHANNELLEN + USERLEN + HOSTLEN + 30];
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int i; /* loop counter */
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int w;
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if (!MyUser(client))
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return;
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if (parc < 2)
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{
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sendnumeric(client, ERR_NEEDMOREPARAMS, "USERIP");
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return;
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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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* MAXUSERHOSTREPLIES * (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] = response[3][0] = response[4][0] = '\0';
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strlcpy(request, parv[1], sizeof(request));
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cn = request;
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for (w = 0, i = 0; (i < MAXUSERHOSTREPLIES) && 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_user(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 (client != acptr && !ValidatePermissionsForPath("client:see:ip",client,acptr,NULL,NULL) && IsHidden(acptr))
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{
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make_cloakedhost(acptr, GetIP(acptr), ipbuf, sizeof(ipbuf));
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ip = ipbuf;
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}
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ircsnprintf(response[w], 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) || client == acptr || IsOper(client)))
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? "*" : "",
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(acptr->user->away) ? '-' : '+',
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acptr->user->username, ip);
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w++;
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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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sendnumeric(client, RPL_USERIP, response[0], response[1], response[2], response[3], response[4]);
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}
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