mirror of
https://github.com/unrealircd/unrealircd.git
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codemastr
278 lines
6.5 KiB
C
278 lines
6.5 KiB
C
/*
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* Unreal Internet Relay Chat Daemon, src/modules/m_pingpong.c
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* (C) 2000-2001 Carsten V. Munk and the UnrealIRCd Team
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* Moved to modules by Fish (Justin Hammond)
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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 "config.h"
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#include "struct.h"
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#include "common.h"
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#include "sys.h"
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#include "numeric.h"
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#include "msg.h"
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#include "channel.h"
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#include <time.h>
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#include <sys/stat.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef _WIN32
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#include <io.h>
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#endif
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#include <fcntl.h>
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#include "h.h"
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#include "proto.h"
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#ifdef STRIPBADWORDS
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#include "badwords.h"
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#endif
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#ifdef _WIN32
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#include "version.h"
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#endif
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int register_user(aClient *cptr, aClient *sptr, char *nick, char *username, char *umode, char *virthost);
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DLLFUNC int m_ping(aClient *cptr, aClient *sptr, int parc, char *parv[]);
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DLLFUNC int m_pong(aClient *cptr, aClient *sptr, int parc, char *parv[]);
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DLLFUNC int m_nospoof(aClient *cptr, aClient *sptr, int parc, char *parv[]);
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/* Place includes here */
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#define MSG_PING "PING" /* PING */
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#define TOK_PING "8" /* 56 */
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#define MSG_PONG "PONG" /* PONG */
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#define TOK_PONG "9" /* 57 */
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#ifndef DYNAMIC_LINKING
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ModuleHeader m_pingpong_Header
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#else
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#define m_pingpong_Header Mod_Header
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ModuleHeader Mod_Header
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#endif
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= {
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"pingpong", /* Name of module */
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"$Id$", /* Version */
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"ping, pong and nospoof", /* Short description of module */
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"3.2-b8-1",
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NULL
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};
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/* The purpose of these ifdefs, are that we can "static" link the ircd if we
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* want to
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*/
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/* This is called on module init, before Server Ready */
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#ifdef DYNAMIC_LINKING
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DLLFUNC int Mod_Init(ModuleInfo *modinfo)
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#else
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int m_pingpong_Init(ModuleInfo *modinfo)
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#endif
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{
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/*
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* We call our add_Command crap here
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*/
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Debug((DEBUG_NOTICE, "INIT"));
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add_Command(MSG_PING, TOK_PING, m_ping, MAXPARA);
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add_CommandX(MSG_PONG, TOK_PONG, m_pong, MAXPARA, M_UNREGISTERED|M_USER|M_SERVER|M_SHUN);
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return MOD_SUCCESS;
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}
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/* Is first run when server is 100% ready */
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#ifdef DYNAMIC_LINKING
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DLLFUNC int Mod_Load(int module_load)
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#else
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int m_pingpong_Load(int module_load)
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#endif
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{
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return MOD_SUCCESS;
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}
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/* Called when module is unloaded */
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#ifdef DYNAMIC_LINKING
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DLLFUNC int Mod_Unload(int module_unload)
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#else
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int m_pingpong_Unload(int module_unload)
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#endif
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{
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if (del_Command(MSG_PING, TOK_PING, m_ping) < 0)
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{
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sendto_realops("Failed to delete command ping when unloading %s",
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m_pingpong_Header.name);
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}
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if (del_Command(MSG_PONG, TOK_PONG, m_pong) < 0)
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{
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sendto_realops("Failed to delete command pong when unloading %s",
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m_pingpong_Header.name);
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}
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return MOD_SUCCESS;
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}
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/*
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** m_ping
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** parv[0] = sender prefix
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** parv[1] = origin
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** parv[2] = destination
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*/
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DLLFUNC int m_ping(aClient *cptr, aClient *sptr, int parc, char *parv[])
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{
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aClient *acptr;
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char *origin, *destination;
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if (parc < 2 || *parv[1] == '\0')
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{
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sendto_one(sptr, err_str(ERR_NOORIGIN), me.name, parv[0]);
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return 0;
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}
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origin = parv[1];
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destination = parv[2]; /* Will get NULL or pointer (parc >= 2!!) */
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acptr = find_client(origin, NULL);
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if (!acptr)
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acptr = find_server_quick(origin);
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if (acptr && acptr != sptr)
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origin = cptr->name;
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if (!BadPtr(destination) && mycmp(destination, me.name) != 0)
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{
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if ((acptr = find_server_quick(destination)))
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sendto_one(acptr, ":%s PING %s :%s", parv[0],
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origin, destination);
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else
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{
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sendto_one(sptr, err_str(ERR_NOSUCHSERVER),
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me.name, parv[0], destination);
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return 0;
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}
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}
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else
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sendto_one(sptr, ":%s %s %s :%s", me.name,
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IsToken(sptr) ? TOK_PONG : MSG_PONG,
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(destination) ? destination : me.name, origin);
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return 0;
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}
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/*
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** m_nospoof - allows clients to respond to no spoofing patch
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** parv[0] = prefix
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** parv[1] = code
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*/
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DLLFUNC int m_nospoof(aClient *cptr, aClient *sptr, int parc, char *parv[])
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{
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#ifdef NOSPOOF
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unsigned long result;
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#endif
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Debug((DEBUG_NOTICE, "NOSPOOF"));
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#ifdef NOSPOOF
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if (IsNotSpoof(cptr))
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return 0;
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if (IsRegistered(cptr))
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return 0;
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if (!*sptr->name)
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return 0;
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if (BadPtr(parv[1]))
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goto temp;
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result = strtoul(parv[1], NULL, 16);
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/* Accept code in second parameter (ircserv) */
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if (result != sptr->nospoof)
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{
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if (BadPtr(parv[2]))
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goto temp;
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result = strtoul(parv[2], NULL, 16);
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if (result != sptr->nospoof)
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goto temp;
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}
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sptr->nospoof = 0;
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if (USE_BAN_VERSION && MyConnect(sptr))
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sendto_one(sptr, ":IRC!IRC@%s PRIVMSG %s :\1VERSION\1",
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me.name, sptr->name);
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if (sptr->user && sptr->name[0])
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return register_user(cptr, sptr, sptr->name,
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sptr->user->username, NULL, NULL);
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return 0;
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temp:
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/* Homer compatibility */
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sendto_one(cptr, ":%X!nospoof@%s PRIVMSG %s :\1VERSION\1",
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cptr->nospoof, me.name, cptr->name);
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#endif
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return 0;
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}
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/*
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** m_pong
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** parv[0] = sender prefix
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** parv[1] = origin
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** parv[2] = destination
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*/
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DLLFUNC int m_pong(aClient *cptr, aClient *sptr, int parc, char *parv[])
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{
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aClient *acptr;
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char *origin, *destination;
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#ifdef NOSPOOF
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if (!IsRegistered(cptr))
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return m_nospoof(cptr, sptr, parc, parv);
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#endif
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if (parc < 2 || *parv[1] == '\0')
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{
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sendto_one(sptr, err_str(ERR_NOORIGIN), me.name, parv[0]);
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return 0;
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}
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origin = parv[1];
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destination = parv[2];
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cptr->flags &= ~FLAGS_PINGSENT;
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sptr->flags &= ~FLAGS_PINGSENT;
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if (!BadPtr(destination) && mycmp(destination, me.name) != 0)
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{
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if ((acptr = find_client(destination, NULL)) ||
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(acptr = find_server_quick(destination)))
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{
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if (!IsServer(cptr) && !IsServer(acptr))
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{
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sendto_one(sptr, err_str(ERR_NOSUCHSERVER),
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me.name, parv[0], destination);
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return 0;
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}
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else
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sendto_one(acptr, ":%s PONG %s %s",
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parv[0], origin, destination);
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}
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else
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{
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sendto_one(sptr, err_str(ERR_NOSUCHSERVER),
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me.name, parv[0], destination);
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return 0;
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}
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}
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#ifdef DEBUGMODE
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else
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Debug((DEBUG_NOTICE, "PONG: %s %s", origin,
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destination ? destination : "*"));
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#endif
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return 0;
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}
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